1 2016-06-17 Bin Cheng <bin.cheng@arm.com>
3 PR tree-optimization/71347
4 * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
5 cost for all uses in group.
7 2016-06-17 Bin Cheng <bin.cheng@arm.com>
9 * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
10 insert gimple seq if it's not empty.
12 2016-06-17 Bin Cheng <bin.cheng@arm.com>
14 * tree-vectorizer.h (struct dr_with_seg_len): Remove class
16 * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
18 (comp_dr_with_seg_len_pair): Ditto.
19 (vect_prune_runtime_alias_test_list): Ditto. Also Canonicalize
20 struct dr_with_seg_len_pair against DR_OFFSET.
21 * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
24 2016-06-17 Szabolcs Nagy <szabolcs.nagy@arm.com>
26 * config/aarch64/geniterators.sh: Handle parenthesised conditions.
28 2016-06-16 John David Anglin <danglin@gcc.gnu.org>
30 * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
31 (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
32 (pa_output_millicode_call): Likewise.
33 (pa_output_call): Likewise.
34 (pa_output_indirect_call): Likewise.
35 (pa_asm_output_mi_thunk): Likewise.
37 2016-06-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
39 * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
41 2016-06-16 Martin Liska <mliska@suse.cz>
43 * predict.c (combine_predictions_for_insn): When we find a first
44 match predictor, we should consider just predictors with
45 PRED_FLAG_FIRST_MATCH. Print either first match (if any) or
47 (combine_predictions_for_bb): Likewise.
49 2016-06-16 Jakub Jelinek <jakub@redhat.com>
51 * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
52 with base of reference to struct.
54 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
56 * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
58 2016-06-16 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
60 * config/avr/avr.c (avr_asm_init_sections): Remove setup of
61 progmem_swtable_section.
62 (progmem_swtable_section): Remove.
63 (avr_asm_function_rodata_section): Remove.
64 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
65 * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
67 2016-06-16 Jocelyn Mayer <l_indien@magic.fr>
69 * config/i386/driver-i386.c (host_detect_local_cpu): Set
70 PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
71 <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
72 signature_CENTAUR_ebx.
73 * config/i386/i386.c (ix86_option_override_internal): Add
74 definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
75 nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
76 * doc/invoke.texi (x86 Options): Document new VIA -march entries.
78 2016-06-16 Martin Liska <mliska@suse.cz>
80 * predict.def: Add fortran loop preheader predictor.
81 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
82 fold IFN_BUILTIN_EXPECT with a known constant argument.
84 2016-06-16 Martin Liska <mliska@suse.cz>
86 * predict.def: Add 'Fortran' to display text of all
87 PRED_FORTRAN_* predictors.
89 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
92 * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
93 [IA64_BUILTIN_NANSQ]: Ditto.
94 (ia64_fold_builtin): New function.
95 (TARGET_FOLD_BUILTIN): New define.
96 (ia64_init_builtins) Declare const_string_type node.
97 Add __builtin_nanq and __builtin_nansq builtin functions.
98 (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
100 2016-06-16 Nick Clifton <nickc@redhat.com>
102 * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
103 MSP430_HWMULT_ prefix to enum values.
104 (msp430_regions): Add MSP430_REGION_ prefix to enum values.
105 * config/msp430/msp430.c: Update use of enum values.
106 * config/msp430/msp430.md: Likewise.
107 * config/msp430/msp430.opt: Likewise.
109 2016-06-16 Jan Hubicka <hubicka@ucw.cz>
111 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
112 of comparsions in the last iteration.
114 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
115 Joern Rennecke <joern.rennecke@embecosm.com>
117 * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
119 (arc_needs_pcl_p): Add GOTOFFPC.
120 (arc_legitimate_pic_addr_p): Likewise.
121 (arc_output_pic_addr_const): Likewise.
122 (arc_legitimize_pic_address): Generate a pc-relative address using
124 (arc_output_libcall): Use @pcl syntax.
125 (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
126 * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
127 (*movsi_insn): Use @pcl syntax.
128 (doloop_begin_i): Likewise.
130 2016-06-16 Martin Liska <mliska@suse.cz>
132 * predict.def: Define a new predictor.
134 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
136 * config/arc/arc.opt (mtp-regno): Update text.
138 2016-06-16 Renlin Li <renlin.li@arm.com>
140 * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
142 2016-06-16 Jakub Jelinek <jakub@redhat.com>
145 * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
146 (setcc + and peephole2): Likewise.
148 PR rtl-optimization/71532
149 * cse.c (cse_insn): For const/pure calls, invalidate argument passing
152 2016-06-15 Michael Meissner <meissner@linux.vnet.ibm.com>
154 * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
155 DImode constants with XXSPLTIB in vector registers.
156 (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
157 vsx_extract_<mode>_internal{1,2} into a single insn that handles
158 direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
159 extraction of the element at the top of the register as a scalar
161 (vsx_extract_<mode>_internal1): Likewise.
162 (vsx_extract_<mode>_internal2): Likewise.
163 * config/rs6000/constraints.md (wi constraint): Remove a comment
164 about DImode not being allowed in Altivec registers.
165 (wB constraint): New constraint for constants that can be
166 generated in Altivec registers with VSPLTISW/VUPKHSW.
167 * config/rs6000/predicates.md (xxspltib_constant_split): Update
169 (xxspltib_constant_nosplit): Likewise.
170 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
171 support for -mupper-regs-di to enable DImode to go into Altivec
173 (POWERPC_MASKS): Likewise.
174 (power7 cpu): Likewise.
175 * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
176 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
177 for DImode being allowed in Altivec registers. Update wi/wj
178 constraints. Set scalar_in_vmx_p flag.
179 (rs6000_option_override_internal): Add checks for -mupper-regs-di.
180 (xxspltib_constant_p): Allow CONST_INT's with VOIDmode. Don't
181 return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
182 (rs6000_opt_masks): Add -mupper-regs-di.
183 * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
184 direct move to use wi and not wj.
186 (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
188 (floatunssi<mode>2_lfiwzx_mem): Likewise.
189 (fix_trunc<mode>di2_fctidz): Change second alternative to allow
190 any VSX register, instead of just Altivec registers, to allow
191 either operand to be an Altivec register or both.
192 (fixuns_trunc<mode>di2_fctiduz): Likewise.
193 (movdi_internal32): Add support for -mupper-regs-di. Add support
194 to load constants via XXSPLTIB or VSPLTISW. Add spacing to allow
195 the alternatives and attributes to be lined up to be easier to
197 (movdi_internal64): Likewise.
198 (64-bit DImode splitters): Change predicates to only split loading
199 up GPR registers. Add splits for using XXSPLTIB or VSPLTISW to
200 load constants in ISA 3.0 or ISA 2.07 respectively.
201 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
202 -mupper-regs-di. Update -mupper-regs-df and -mupper-regs-sf to
203 mention -mcpu=power9 sets these options.
204 * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
207 2016-06-15 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
210 * config/avr/avr.c (avr_set_current_function): Warn misspelled
211 interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
212 * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
213 by default to warn misspelled interrupt/ signal handler.
214 * doc/invoke.texi (AVR Options): Document it. Update description
215 for -nodevicelib option.
217 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
219 * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
220 up parentheses. Use GET_MODE_UNIT_BITSIZE.
221 (aarch64_<sur>shll2_n<mode>): Likewise.
223 2016-06-15 Ilya Enkovich <ilya.enkovich@intel.com>
226 * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
227 DECL_CONTEXT for copied arguments.
229 2016-06-15 Alan Hayward <alan.hayward@arm.com>
231 PR tree-optimization/71483
232 * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
235 2016-06-15 Martin Liska <mliska@suse.cz>
237 * predict.c (tree_predict_by_opcode): Call predict_edge_def
238 instead of predict_edge w/o a probability.
240 2016-06-15 Alan Hayward <alan.hayward@arm.com>
242 PR tree-optimization/71439
243 * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
246 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
248 * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
249 register subregs in SET_SRC.
251 2016-06-15 Richard Biener <rguenther@suse.de>
253 * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
256 2016-06-15 Richard Biener <rguenther@suse.de>
258 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
259 not consider dependences between accesses that belong to the
261 (vect_analyze_data_ref_dependences): Do not analyze read-read
264 2016-06-14 David Malcolm <dmalcolm@redhat.com>
266 * spellcheck-tree.c: Include spellcheck-tree.h rather than
268 (find_closest_identifier): Reimplement in terms of
269 best_match<tree,tree>.
270 * spellcheck-tree.h: New file.
271 * spellcheck.c (struct edit_distance_traits<const char *>): New
273 (find_closest_string): Reimplement in terms of
274 best_match<const char *, const char *>.
275 * spellcheck.h (levenshtein_distance): Move prototype of tree-based
276 overload to spellcheck-tree.h.
277 (find_closest_identifier): Likewise.
278 (struct edit_distance_traits<T>): New template.
279 (class best_match): New class.
281 2016-06-14 David Malcolm <dmalcolm@redhat.com>
283 * selftest-run-tests.c (selftest::run_tests): Call
284 selftest::spellcheck_tree_c_tests.
285 * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
286 * spellcheck-tree.c: Include selftest.h and stringpool.h.
287 (selftest::test_find_closest_identifier): New function.
288 (selftest::spellcheck_tree_c_tests): New function.
289 * spellcheck.c (selftest::test_find_closest_string): Verify that
290 the order of the vec does not affect the results for this case.
291 (selftest::test_data): New array.
292 (selftest::test_metric_conditions): New function.
293 (selftest::spellcheck_c_tests): Add a test of case-comparison.
294 Call selftest::test_metric_conditions.
296 2016-06-14 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
298 * config/rs6000/rs6000-builtin.def (commentary): Typo.
299 (BU_P9_MISC_1): Likewise.
300 (BU_P9_64BIT_MISC_0): Likewise.
301 (BU_P9_MISC_0): Likewise.
303 2016-06-14 David Malcolm <dmalcolm@redhat.com>
305 * gcc-rich-location.c
306 (gcc_rich_location::add_fixit_misspelled_id): New method.
307 * gcc-rich-location.h
308 (gcc_rich_location::add_fixit_misspelled_id): Add decl.
310 2016-06-14 Andreas Tobler <andreast@gcc.gnu.org>
312 * config/arm/freebsd.h: Only enable unaligned access for armv6 on
313 FreeBSD 11 and above.
315 2016-06-14 Uros Bizjak <ubizjak@gmail.com>
317 * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
319 2016-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
321 * expmed.h: Close parenthesis in "at your option" in copyright
323 * lower-subreg.h: Likewise.
325 2016-06-14 Richard Biener <rguenther@suse.de>
328 * genmatch.c (expr::gen_transform): Use in_type for comparisons
331 2015-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
333 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
335 (aarch64_rtx_costs): Use it. Rewrite CONST_INT_P (op1) case to handle
337 * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
339 * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
340 matching condition with aarch64_mask_and_shift_for_ubfiz_p.
342 2016-06-14 Richard Biener <rguenther@suse.de>
344 PR tree-optimization/71522
345 * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
346 copying into float copying.
348 2016-06-14 Jakub Jelinek <jakub@redhat.com>
350 PR tree-optimization/71520
351 * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
352 (replace_block_by): Move user labels from bb1 to bb2.
354 2016-06-14 Richard Biener <rguenther@suse.de>
358 * expr.h (get_bit_range): Declare.
359 * expr.c (get_bit_range): Export.
360 * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
361 word_mode again to constrain the bitfield access.
363 2016-06-14 Richard Biener <rguenther@suse.de>
365 PR tree-optimization/71521
366 * tree-vrp.c (extract_range_from_binary_expr_1): Guard
367 division int_const_binop against zero divisor.
369 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
371 * config/i386/i386.md (signbittf2): New expander.
372 * config/i386/sse.md (ptesttf2): New insn pattern.
374 2016-06-13 David Malcolm <dmalcolm@redhat.com>
377 * input.c (selftest::test_reading_source_line): Avoid reading from
378 __FILE__ by creating a tempfile with known content and reading
381 2016-06-13 David Malcolm <dmalcolm@redhat.com>
383 * pretty-print.c (assert_pp_format_colored): Skip the test if
385 (test_pp_format): Remove comment about GCC_COLORS.
387 2016-06-13 David Malcolm <dmalcolm@redhat.com>
389 * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
390 * pretty-print.c (assert_pp_format_va): Add location param and use
391 it with ASSERT_STREQ_AT.
392 (assert_pp_format): Add location param and pass it to
394 (assert_pp_format_colored): Likewise.
395 (ASSERT_PP_FORMAT_1): New.
396 (ASSERT_PP_FORMAT_2): New.
397 (ASSERT_PP_FORMAT_3): New.
398 (test_pp_format): Provide SELFTEST_LOCATION throughout, either
399 explicitly, or implicitly via the above macros.
400 * selftest.c (selftest::pass): Use a selftest::location rather
402 (selftest::fail): Likewise. Print the function name.
403 (selftest::fail_formatted): Likewise.
404 (selftest::assert_streq): Use a selftest::location rather than
406 * selftest.h (selftest::location): New struct.
407 (SELFTEST_LOCATION): New macro.
408 (selftest::pass): Accept a const location & rather than file
410 (selftest::fail): Likewise.
411 (selftest::fail_formatted): Likewise.
412 (selftest::assert_streq): Likewise.
413 (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
414 (ASSERT_FALSE): Likewise.
415 (ASSERT_EQ): Likewise.
416 (ASSERT_NE): Likewise.
417 (ASSERT_STREQ): Likewise.
418 (ASSERT_PRED1): Likewise.
419 (ASSERT_STREQ_AT): New macro.
421 2016-06-13 David Malcolm <dmalcolm@redhat.com>
423 * selftest.c (selftest::fail_formatted): New function.
424 (selftest::assert_streq): New function.
425 * selftest.h (selftests::fail_formatted): New decl.
426 (selftest::assert_streq): New decl.
427 (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
429 2016-06-13 Jeff Law <law@redhat.com>
431 PR tree-optimization/71403
432 * tree-ssa-threadbackward.c
433 (convert_and_register_jump_thread_path): No longer accept reference
434 to path. Do not pop items off the path anymore.
435 (fsm_find_control_statement_thread_paths): Do not allow threading
436 to a deeper loop nest. Pop the last item off the path here rather
437 than in convert_and_register_jump_thread_path.
439 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
440 Wilco Dijkstra <Wilco.Dijkstra@arm.com>
442 [AArch64] Emit division using the Newton series
444 * config/aarch64/aarch64-protos.h
445 (cpu_approx_modes): Add new member "division".
446 (aarch64_emit_approx_div): Declare new function.
447 * config/aarch64/aarch64.c
448 (generic_approx_modes): New member "division".
449 (exynosm1_approx_modes): Likewise.
450 (xgene1_approx_modes): Likewise.
451 (aarch64_emit_approx_div): Define new function.
452 * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
453 * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
454 * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
455 * doc/invoke.texi (-mlow-precision-div): Describe new option.
457 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
458 Wilco Dijkstra <wilco.dijkstra@arm.com>
460 [AArch64] Emit square root using the Newton series
462 * config/aarch64/aarch64-protos.h
463 (aarch64_emit_approx_rsqrt): Replace with new function
464 "aarch64_emit_approx_sqrt".
465 (cpu_approx_modes): New member "sqrt".
466 * config/aarch64/aarch64.c
467 (generic_approx_modes): New member "sqrt".
468 (exynosm1_approx_modes): Likewise.
469 (xgene1_approx_modes): Likewise.
470 (aarch64_emit_approx_rsqrt): Replace with new function
471 "aarch64_emit_approx_sqrt".
472 (aarch64_override_options_after_change_1): Handle new option.
473 * config/aarch64/aarch64-simd.md
474 (rsqrt<mode>2): Use new function instead.
475 (sqrt<mode>2): New expansion and insn definitions.
476 * config/aarch64/aarch64.md: Likewise.
477 * config/aarch64/aarch64.opt
478 (mlow-precision-sqrt): Add new option description.
479 * doc/invoke.texi (mlow-precision-sqrt): Likewise.
481 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
483 [AArch64] Add more choices for the reciprocal square root approximation
485 Allow a target to prefer such operation depending on the operation mode.
487 * config/aarch64/aarch64-protos.h
488 (AARCH64_APPROX_MODE): New macro.
489 (AARCH64_APPROX_{NONE,ALL}): Likewise.
490 (cpu_approx_modes): New structure.
491 (tune_params): New member "approx_modes".
492 * config/aarch64/aarch64-tuning-flags.def
493 (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
494 * config/aarch64/aarch64.c
495 (generic_approx_modes): New core "cpu_approx_modes" structure.
496 (exynosm1_approx_modes): Likewise.
497 (xgene1_approx_modes): Likewise.
498 (generic_tunings): New member "approx_modes".
499 (cortexa35_tunings): Likewise.
500 (cortexa53_tunings): Likewise.
501 (cortexa57_tunings): Likewise.
502 (cortexa72_tunings): Likewise.
503 (exynosm1_tunings): Likewise.
504 (thunderx_tunings): Likewise.
505 (xgene1_tunings): Likewise.
506 (use_rsqrt_p): New argument for the mode and use new member from
508 (aarch64_builtin_reciprocal): Devise mode from builtin.
509 (aarch64_optab_supported_p): New argument for the mode.
510 * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
512 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
514 * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
515 RS6000_BTM_MODULO flag into the set of flags that are considered
516 to be part of the common configuration.
518 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
520 * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
522 (vec_absdb): New macro for vector absolute difference unsigned
524 (vec_absdh): New macro for vector absolute difference unsigned
526 (vec_absdw): New macro for vector absolute difference unsigned word.
527 * config/rs6000/altivec.md (UNSPEC_VADU): New value.
528 (vadu<mode>3): New insn.
529 (*p9_vadu<mode>3): New insn.
530 * config/rs6000/rs6000-builtin.def (vadub): New built-in
532 (vaduh): New built-in definition.
533 (vaduw): New built-in definition.
534 (vadu): New overloaded built-in definition.
535 (vadub): New overloaded built-in definition.
536 (vaduh): New overloaded built-in definition.
537 (vaduw): New overloaded built-in definition.
538 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
539 overloaded vector absolute difference unsigned functions.
540 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
541 the ISA 3.0 vector absolute difference unsigned built-in functions.
543 2016-06-13 Eric Botcazou <ebotcazou@adacore.com>
545 * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
546 update shared_lookup_references only once after changing operands.
548 2016-06-13 Thomas Schwinge <thomas@codesourcery.com>
551 * tree-nested.c (convert_nonlocal_omp_clauses)
552 (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
554 * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
555 * tree.def (CASE_LABEL_EXPR): Likewise.
557 2016-06-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
560 * input.c (test_builtins): Fix an assertion.
562 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
564 * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
567 (isinf<mode>2): Ditto.
569 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
571 * ggc-tests.c (test_finalization): Only test need_finalization_p
572 for GCC_VERSION >= 4003.
574 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
576 * config/s390/vecintrin.h: Fix file description in comment.
578 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
580 * config/s390/s390-builtin-types.def: Change builtin type naming
581 scheme to match builtin-types.def.
583 2016-06-13 Marc Glisse <marc.glisse@inria.fr>
585 * fold-const.c (optimize_minmax_comparison): Remove.
586 (fold_comparison): Remove call to the above.
587 * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
590 2016-06-13 Alan Hayward <alan.hayward@arm.com>
592 PR tree-optimization/71416
593 * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
596 2016-06-13 Martin Liska <mliska@suse.cz>
598 * predict.c (enum predictor_reason): Prefix enum with REASON_.
599 (combine_predictions_for_insn): Likewise.
600 (prune_predictions_for_bb): Likewise.
601 (combine_predictions_for_bb): Likewise.
603 2016-06-13 Richard Biener <rguenther@suse.de>
605 PR tree-optimization/71505
606 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
607 assert match comment.
609 2016-06-13 Marek Polacek <polacek@redhat.com>
612 * gimplify.c (maybe_warn_switch_unreachable): Factored out of
613 gimplify_switch_expr.
614 (warn_switch_unreachable_r): New function.
616 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
619 * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
622 2016-06-13 Richard Biener <rguenther@suse.de>
625 * fold-const.c (fold_unary_loc): Preserve alignment when
626 folding a VIEW_CONVERT_EXPR into a MEM_REF.
628 2016-06-13 Martin Liska <mliska@suse.cz>
631 * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
632 w/ -fsanitize=bounds.
634 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
636 * config/i386/i386.c (ix86_init_builtins): Calculate
637 FLOAT128_FTYPE_CONST_STRING function type only once.
638 * doc/extend.texi (x86 Built-in Functions): Update text, __float128
639 built-in functions are available for x86-32 and x86-64 targets.
641 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
644 * config/i386/i386.i386-builtin-types.def (CONST_STRING):
646 (FLOAT128_FTYPE_CONST_STRING): New function type.
647 * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
648 [IX86_BUILTIN_NANSQ]: Ditto.
649 (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
650 (ix86_init_builtin_types): Declare const_string_type_node.
651 (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
653 (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
654 * doc/extend.texi (x86 Built-in Functions): Document
655 __builtin_nanq and __builtin_nansq.
657 2016-06-11 Jiong Wang <jiong.wang@arm.com>
660 * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
661 * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
662 length for pop patterns.
663 (arm_attr_length_push_multi): Update comments.
664 * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
666 (*pop_multiple_with_writeback_and_return): Likewise.
667 (*pop_multiple_with_return): Likewise.
669 2016-06-11 Segher Boessenkool <segher@kernel.crashing.org>
672 * fold-const.c (optimize_bit_field_compare): Don't try to use
673 word_mode unconditionally for reading the bit field, look at
674 DECL_BIT_FIELD_REPRESENTATIVE instead.
676 2016-06-11 Kugan Vivekanandarajah <kuganv@linaro.org>
679 * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
682 2016-06-10 Jakub Jelinek <jakub@redhat.com>
685 * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
686 without LABEL_DECL, set *handled_ops_p to false instead of true.
688 2016-06-10 Martin Sebor <msebor@redhat.com>
691 * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
692 (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
693 * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
695 (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
696 (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
697 (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
698 (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
699 (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
700 (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
701 (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
702 (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
704 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
706 * config/arm/arm.h (pool_vector_label,
707 return_used_this_function): Remove.
709 2016-06-10 Jeff Law <law@redhat.com>
711 PR tree-optimization/71335
712 * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
713 zero length paths here.
714 (convert_and_register_jump_thread_path): Remove hacks related to
715 duplicated blocks in the jump thread path.
716 (fsm_find_control_statement_thread_paths): Avoid putting the same
717 block on the thread path twice, but ensure the thread path is
718 unchanged from the caller's point of view.
720 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
722 * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
723 * predict.def (PRED_LOOP_BRANCH): Remove.
725 2016-06-10 David Malcolm <dmalcolm@redhat.com>
727 * Makefile.in (OBJS): Add ggc-tests.o.
728 (GTFILES): Add ggc-tests.c.
729 * ggc-tests.c: New file.
730 * selftest-run-tests.c (selftest::run_tests): Call
731 selftest::ggc_tests_c_tests.
732 * selftest.h (selftest::ggc_tests_c_tests): New prototype.
734 2016-06-10 Alexander Monakov <amonakov@ispras.ru>
736 * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
738 2016-06-10 Maxim Ostapenko <m.ostapenko@samsung.com>
741 * varasm.c (place_block_symbol): Adjust alignment for asan protected
742 STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
744 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
746 * profile.c: Include cfgloop.h.
747 (branch_prob): Compute estimated number of iterations.
748 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
749 recompute estimate number of iterations from profile.
751 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
754 * reg-stack.c (check_asm_stack_operands): Explicit input arguments
755 must be grouped on top of stack. Don't force early clobber
756 on ordinary reg outputs.
758 2016-06-10 Richard Biener <rguenther@suse.de>
760 * targhooks.c (default_builtin_vectorization_cost): Adjust
763 2016-06-10 Richard Biener <rguenther@suse.de>
765 * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
766 to fold the RHS to a constant if possible.
768 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
771 * tree-nested.c (convert_nonlocal_omp_clauses)
772 (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
773 OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
774 OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
776 * gimplify.c (gimplify_adjust_omp_clauses): Discard
778 * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
780 * omp-low.c (scan_sharing_clauses): Don't expect
783 2016-06-10 Alan Hayward <alan.hayward@arm.com>
785 PR tree-optimization/71407
786 PR tree-optimization/71416
787 * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
790 2016-06-10 Richard Biener <rguenther@suse.de>
793 * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
795 2016-06-09 Eric Botcazou <ebotcazou@adacore.com>
797 * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
799 2016-06-09 Vladimir Makarov <vmakarov@redhat.com>
800 Jiong Wang <jiong.wang@arm.com>
802 PR rtl-optimization/70751
803 * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
806 2016-06-09 Jonathan Yong <10walls@gmail.com>
809 2015-09-21 Jonathan Yong <10walls@gmail.com>
811 * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
812 sysroot/usr/lib/32api for additional win32 libraries,
813 fixes failing Cygwin bootstrapping.
815 2016-06-09 Marcin Baczyński <marbacz@gmail.com>
817 * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
820 2016-06-09 David Malcolm <dmalcolm@redhat.com>
823 * pretty-print.c (pp_indent): Specify that %p is printed in a
824 host-dependent manner.
825 (test_pp_format): Remove the test for %p.
827 2016-06-09 Maciej W. Rozycki <macro@imgtec.com>
829 * config/mips/mips.c (mips_output_jump): Fix formatting.
831 2016-06-09 Richard Biener <rguenther@suse.de>
833 PR tree-optimization/71462
834 * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
837 2016-06-09 Martin Liska <mliska@suse.cz>
839 * predict.c (dump_prediction): Add new argument.
840 (enum predictor_reason): New enum.
841 (struct predictor_hash): New struct.
842 (predictor_hash::hash): New function.
843 (predictor_hash::equal): Likewise.
844 (not_removed_prediction_p): New function.
845 (prune_predictions_for_bb): Likewise.
846 (combine_predictions_for_bb): Prune predictions.
848 2016-06-09 Martin Liska <mliska@suse.cz>
850 * predict.c (filter_predictions): New function.
851 (remove_predictions_associated_with_edge): Use the filter
853 (equal_edge_p): New function.
855 2016-06-09 Stefan Bruens <stefan.bruens@rwth-aachen.de>
857 * doc/invoke.texi (ARM Options): Use lexicographical ordering.
858 Correct usage of @samp vs @option, add @samp where appropriate.
859 Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
860 Add armv6s-m and document it, as it is no official ARM name.
862 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
864 * ifcvt.c (struct noce_if_info): Add transform_name field.
865 (noce_try_move): Set if_info->transform_name to the function name.
866 (noce_try_ifelse_collapse): Likewise.
867 (noce_try_store_flag): Likewise.
868 (noce_try_inverse_constants): Likewise.
869 (noce_try_store_flag_constants): Likewise.
870 (noce_try_addcc): Likewise.
871 (noce_try_store_flag_mask): Likewise.
872 (noce_try_cmove): Likewise.
873 (noce_try_cmove_arith): Likewise.
874 (noce_try_minmax): Likewise.
875 (noce_try_abs): Likewise.
876 (noce_try_sign_mask): Likewise.
877 (noce_try_bitop): Likewise.
878 (noce_convert_multiple_sets): Likewise.
879 (noce_process_if_block): Print if_info->transform_name to
880 dump_file if transformation succeeded.
882 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
884 * config/arm/cortex-a57.md (cortex_a57_alu):
887 2016-06-08 Martin Sebor <msebor@redhat.com>
888 Jakub Jelinek <jakub@redhat.com>
892 * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
893 BUILT_IN_MUL_OVERFLOW_P): New builtins.
894 * builtins.c: Include gimple-fold.h.
895 (fold_builtin_arith_overflow): Handle
896 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
897 (fold_builtin_3): Likewise.
898 * doc/extend.texi (Integer Overflow Builtins): Document
899 __builtin_{add,sub,mul}_overflow_p.
901 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
903 * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
904 SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
906 2016-06-08 Alan Lawrence <alan.lawrence@arm.com>
908 * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
909 Rewrite, looking one level down for records and arrays.
911 2016-06-08 David Malcolm <dmalcolm@redhat.com>
913 * pretty-print.c: Include "selftest.h".
914 (pp_format): Fix comment.
915 (identifier_to_locale): Likewise.
916 (selftest::test_basic_printing): New function.
917 (selftest::assert_pp_format): New function.
918 (selftest::test_pp_format): New function.
919 (selftest::pretty_print_c_tests): New function.
920 * selftest-run-tests.c (selftest::run_tests): Call
921 selftest::pretty_print_c_tests.
922 * selftest.h (pretty_print_c_tests): New declaration.
924 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
926 * invoke.texi (max-loop-headers-insns): Document.
927 * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
928 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
929 (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
931 2016-06-08 Richard Biener <rguenther@suse.de>
933 * tree-vect-stmts.c (vectorizable_load): Remove restrictions
934 on strided SLP loads and fall back to scalar loads in case
937 2016-06-08 Richard Biener <rguenther@suse.de>
939 PR tree-optimization/71452
940 * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
941 type used for the SSA rewrite has enough precision to cover
942 the dynamic type of the location.
944 2016-06-08 Jakub Jelinek <jakub@redhat.com>
945 Richard Biener <rguenther@suse.de>
948 * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
949 the same as DECL_P (base0) for indirect_base0. Use equality_code
950 in one further place.
952 2016-06-08 Richard Sandiford <richard.sandiford@arm.com>
954 * expmed.c (store_bit_field_1): Do not restrict a multiword op0
955 to one word if the field is known to overlap other words.
956 (extract_bit_field_1): Likewise.
957 (store_split_bit_field): Remove compensating code.
958 (extract_split_bit_field): Likewise.
960 2016-06-08 Bernd Schmidt <bschmidt@redhat.com>
964 * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
966 2016-06-08 Jiong Wang <jiong.wang@arm.com>
968 * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
970 * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
971 (arch64_addpv4sf): Delete.
972 (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
973 "gen_aarch64_addpv4sf".
974 * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly. Use
976 (vpadds_f32): Likewise.
977 (vpaddq_f32): Likewise.
978 (vpaddq_f64): Likewise.
980 2016-06-08 Jiong Wang <jiong.wang@arm.com>
982 * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
984 * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
985 to VALLF. Rename to "fabd<mode>3".
986 "*fabd_scalar<mode>3): Delete.
987 * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
989 (vabdd_f64): Likewise.
990 (vabd_f32): Likewise.
991 (vabd_f64): Likewise.
992 (vabdq_f32): Likewise.
993 (vabdq_f64): Likewise.
995 2016-06-08 Jiong Wang <jiong.wang@arm.com>
997 * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
999 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1000 "aarch64_rsqrts<mode>".
1001 * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1002 * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly. Use
1004 (vrsqrtsd_f64): Likewise.
1005 (vrsqrts_f32): Likewise.
1006 (vrsqrts_f64): Likewise.
1007 (vrsqrtsq_f32): Likewise.
1008 (vrsqrtsq_f64): Likewise.
1010 2016-06-08 Jiong Wang <jiong.wang@arm.com>
1012 * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1014 * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1015 "aarch64_rsqrte<mode>".
1016 * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1017 * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly. Use
1019 (vrsqrted_f64): Likewise.
1020 (vrsqrte_f32): Likewise.
1021 (vrsqrte_f64): Likewise.
1022 (vrsqrteq_f32): Likewise.
1023 (vrsqrteq_f64): Likewise.
1025 2016-06-08 Jiong Wang <jiong.wang@arm.com>
1027 * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1031 * config/aarch64/aarch64-simd.md
1032 (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1033 (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1034 * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1036 (vcvt_n_f32_u32): Likewise.
1037 (vcvt_n_s32_f32): Likewise.
1038 (vcvt_n_u32_f32): Likewise.
1039 (vcvtq_n_f32_s32): Likewise.
1040 (vcvtq_n_f32_u32): Likewise.
1041 (vcvtq_n_f64_s64): Likewise.
1042 (vcvtq_n_f64_u64): Likewise.
1043 (vcvtq_n_s32_f32): Likewise.
1044 (vcvtq_n_s64_f64): Likewise.
1045 (vcvtq_n_u32_f32): Likewise.
1046 (vcvtq_n_u64_f64): Likewise.
1047 * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1048 (VSDQ_SDI): Likewise.
1049 (fcvt_target): Support V4DI, V4SI and V2SI.
1050 (FCVT_TARGET): Likewise.
1052 2016-06-08 Jiong Wang <jiong.wang@arm.com>
1054 * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1055 (TYPES_BINOP_SUS): Likewise.
1056 (aarch64_simd_builtin_data): Update include file name.
1057 (aarch64_builtins): Likewise.
1058 * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1059 for conversion between scalar float-point and fixed-point.
1063 * config/aarch64/aarch64.md
1064 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1065 pattern for conversion between scalar float to fixed-pointer.
1066 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1067 (UNSPEC_FCVTZS): New UNSPEC enumeration.
1068 (UNSPEC_FCVTZU): Likewise.
1069 (UNSPEC_SCVTF): Likewise.
1070 (UNSPEC_UCVTF): Likewise.
1071 * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1073 (vcvtd_n_f64_u64): Likewise.
1074 (vcvtd_n_s64_f64): Likewise.
1075 (vcvtd_n_u64_f64): Likewise.
1076 (vcvtd_n_f32_s32): Likewise.
1077 (vcvts_n_f32_u32): Likewise.
1078 (vcvtd_n_s32_f32): Likewise.
1079 (vcvts_n_u32_f32): Likewise.
1080 * config/aarch64/iterators.md (fcvt_target): Support integer to float
1082 (FCVT_TARGET): Likewise.
1083 (FCVT_FIXED2F): New iterator.
1084 (FCVT_F2FIXED): Likewise.
1085 (fcvt_fixed_insn): New define_int_attr.
1087 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
1089 * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1090 some statements was removed.
1092 2016-06-08 Alan Hayward <alan.hayward@arm.com>
1094 * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1095 * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1096 (vect_can_advance_ivs_p): likewise.
1097 (vect_update_ivs_after_vectorizer): likewise.
1098 * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1099 (vect_analyze_scalar_cycles_1): likewise.
1100 (vect_analyze_loop_operations): likewise.
1101 (report_vect_op): likewise.
1102 (vect_is_slp_reduction): likewise.
1103 (vect_is_simple_reduction): likewise.
1104 (get_initial_def_for_induction): likewise.
1105 (vect_transform_loop): likewise.
1106 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1107 (vect_recog_sad_pattern): likewise.
1108 (vect_recog_widen_sum_pattern): likewise.
1109 (vect_recog_widening_pattern): likewise.
1110 (vect_recog_divmod_pattern): likewise.
1111 * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1112 (vect_analyze_slp_instance): likewise.
1113 (vect_transform_slp_perm_load): likewise.
1114 (vect_schedule_slp_instance): likewise.
1116 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
1118 * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1119 (return_prediction): PRED_CONST_RETURN predict return as not taken.
1120 * predict.def (PRED_CONTINUE): Change hitrate 50->67
1121 (PRED_LOOP_BRANCH): Document predictor as broken.
1122 (PRED_LOOP_EXIT): Change hitrate 91->92.
1123 (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1124 (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1125 (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1126 (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1127 (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1128 (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1129 (PRED_CALL): Chane hitrate 71->67.
1130 (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1131 (PRED_GOTO): Document as unused right now.
1132 (PRED_CONST_RETURN): Change hitrate 67->69
1133 (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1134 (PRED_NULL_RETURN): Change hitrate 91->90.
1135 (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1136 (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1137 (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1139 2016-06-07 Bill Seurer <seurer@linux.vnet.ibm.com>
1141 * config/rs6000/altivec.h: Add __builtin_vec_mul.
1142 * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1143 special case Altivec builtin.
1144 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1145 VSX_BUILTIN_VEC_MUL (replaced with special case code).
1146 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1147 code for ALTIVEC_BUILTIN_VEC_MUL.
1148 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1149 for __builtin_vec_mul.
1151 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
1153 * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1156 2016-06-07 David Malcolm <dmalcolm@redhat.com>
1158 * spellcheck.c (selftest::test_find_closest_string): New function.
1159 (spellcheck_c_tests): Call the above.
1161 2016-06-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1163 * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1165 2016-06-07 Jakub Jelinek <jakub@redhat.com>
1167 * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1168 Yv=Yv,C alternatives.
1170 2016-06-07 Richard Biener <rguenther@suse.de>
1173 * common.opt (ffast-math): Make Optimization.
1175 2016-06-07 Simon Dardis <simon.dardis@imgtec.com>
1176 Prachi Godbole <prachi.godbole@imgtec.com>
1178 * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1179 `fabs' and `fneg' type attributes.
1180 (p5600_fpu_fabs): Add `fmove' to the comment.
1182 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
1184 * gimple.c: Include builtins.h
1185 (gimple_inexpensive_call_p): New function.
1186 * gimple.h (gimple_inexpensive_call_p): Declare.
1187 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1188 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1191 2016-06-07 Paolo Carlini <paolo.carlini@oracle.com>
1193 * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1194 (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1195 warning_at_rich_loc, warning_n, pedwarn, permerror,
1196 permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1197 sorry, fatal_error, internal_error, internal_error_no_backtrace):
1200 2016-06-07 Richard Biener <rguenther@suse.de>
1202 PR tree-optimization/71428
1203 * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
1204 BIT_FIELD_REF op vs. load.
1206 2016-06-07 Richard Biener <rguenther@suse.de>
1209 * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
1212 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
1214 * config/pa/pa.md (call): Generate indirect long calls to non-local
1215 functions on TARGET_64BIT.
1216 (call_value): Likewise.
1218 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
1220 * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
1221 pattern and subsequent splitters.
1222 (call_val_reg_64bit_post_reload): Likewise.
1224 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
1227 * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
1228 propagate_op_to_single_use.
1230 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
1233 * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
1235 2016-06-07 Uros Bizjak <ubizjak@gmail.com>
1237 * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
1238 (enum x86_dirflag_state): New enum.
1239 (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
1240 (machine_function): Remove needs_cld.
1241 (ix86_current_function_needs_cld): Remove.
1242 * config/i386/i386.c (ix86_set_func_type): Set
1243 ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
1244 (ix86_expand_prologue): Do not emit CLD here.
1245 (ix86_dirflag_mode_needed): New function.
1246 (ix86_dirflag_mode_entry): Ditto.
1247 (ix86_mode_needed): Handle X86_DIRFLAG entity.
1248 (ix86_mode_after): Ditto.
1249 (ix86_mode_entry): Ditto.
1250 (ix86_mode_exit): Ditto.
1251 (ix86_emit_mode_set): Ditto.
1252 * config/i386/i386.md (strmov_singleop): Set
1253 ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
1254 Do not set ix86_current_function_needs_cld.
1256 (strset_singleop): Ditto.
1258 (cmpstrnqi_nz_1): Ditto.
1259 (cmpstrnqi_1): Ditto.
1260 (strlenqi_1): Ditto.
1262 2016-06-06 Jakub Jelinek <jakub@redhat.com>
1264 PR tree-optimization/71259
1265 * tree-vect-slp.c (vect_get_constant_vectors): For
1266 VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1267 one for constant op, and use COND_EXPR for non-constant.
1269 2016-06-06 David Malcolm <dmalcolm@redhat.com>
1271 * Makefile.in (OBJS): Add function-tests.o,
1272 hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
1273 selftest-run-tests.o.
1274 (OBJS-libcommon): Add selftest.o.
1275 (OBJS-libcommon-target): Add selftest.o.
1276 (all.internal): Add "selftest".
1277 (all.cross): Likewise.
1278 (selftest): New phony target.
1279 (s-selftest): New target.
1280 (selftest-gdb): New phony target.
1281 (COLLECT2_OBJS): Add selftest.o.
1282 * bitmap.c: Include "selftest.h".
1283 (selftest::test_gc_alloc): New function.
1284 (selftest::test_set_range): New function.
1285 (selftest::test_clear_bit_in_middle): New function.
1286 (selftest::test_copying): New function.
1287 (selftest::test_bitmap_single_bit_set_p): New function.
1288 (selftest::bitmap_c_tests): New function.
1289 * common.opt (fself-test): New.
1290 * diagnostic-show-locus.c: Include "selftest.h".
1291 (make_range): New function.
1292 (test_range_contains_point_for_single_point): New function.
1293 (test_range_contains_point_for_single_line): New function.
1294 (test_range_contains_point_for_multiple_lines): New function.
1295 (assert_eq): New function.
1296 (test_get_line_width_without_trailing_whitespace): New function.
1297 (selftest::diagnostic_show_locus_c_tests): New function.
1298 * et-forest.c: Include "selftest.h".
1299 (selftest::test_single_node): New function.
1300 (selftest::test_simple_tree): New function.
1301 (selftest::test_disconnected_nodes): New function.
1302 (selftest::et_forest_c_tests): New function.
1303 * fold-const.c: Include "selftest.h".
1304 (selftest::assert_binop_folds_to_const): New function.
1305 (selftest::assert_binop_folds_to_nonlvalue): New function.
1306 (selftest::test_arithmetic_folding): New function.
1307 (selftest::fold_const_c_tests): New function.
1308 * function-tests.c: New file.
1309 * gimple.c: Include "selftest.h".
1310 Include "gimple-pretty-print.h".
1311 (selftest::verify_gimple_pp): New function.
1312 (selftest::test_assign_single): New function.
1313 (selftest::test_assign_binop): New function.
1314 (selftest::test_nop_stmt): New function.
1315 (selftest::test_return_stmt): New function.
1316 (selftest::test_return_without_value): New function.
1317 (selftest::gimple_c_tests): New function.
1318 * hash-map-tests.c: New file.
1319 * hash-set-tests.c: New file.
1320 * input.c: Include "selftest.h".
1321 (selftest::assert_loceq): New function.
1322 (selftest::test_accessing_ordinary_linemaps): New function.
1323 (selftest::test_unknown_location): New function.
1324 (selftest::test_builtins): New function.
1325 (selftest::test_reading_source_line): New function.
1326 (selftest::input_c_tests): New function.
1327 * rtl-tests.c: New file.
1328 * selftest-run-tests.c: New file.
1329 * selftest.c: New file.
1330 * selftest.h: New file.
1331 * spellcheck.c: Include "selftest.h".
1332 (selftest::levenshtein_distance_unit_test_oneway): New function,
1333 adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
1334 (selftest::levenshtein_distance_unit_test): Likewise.
1335 (selftest::spellcheck_c_tests): Likewise.
1336 * toplev.c: Include selftest.h.
1337 (toplev::run_self_tests): New.
1338 (toplev::main): Handle -fself-test.
1339 * toplev.h (toplev::run_self_tests): New.
1340 * tree.c: Include "selftest.h".
1341 (selftest::test_integer_constants): New function.
1342 (selftest::test_identifiers): New function.
1343 (selftest::test_labels): New function.
1344 (selftest::tree_c_tests): New function.
1345 * tree-cfg.c: Include "selftest.h".
1346 (selftest::push_fndecl): New function.
1347 (selftest::test_linear_chain): New function.
1348 (selftest::test_diamond): New function.
1349 (selftest::test_fully_connected): New function.
1350 (selftest::tree_cfg_c_tests): New function.
1351 * vec.c: Include "selftest.h".
1352 (selftest::safe_push_range): New function.
1353 (selftest::test_quick_push): New function.
1354 (selftest::test_safe_push): New function.
1355 (selftest::test_truncate): New function.
1356 (selftest::test_safe_grow_cleared): New function.
1357 (selftest::test_pop): New function.
1358 (selftest::test_safe_insert): New function.
1359 (selftest::test_ordered_remove): New function.
1360 (selftest::test_unordered_remove): New function.
1361 (selftest::test_block_remove): New function.
1362 (selftest::reverse_cmp): New function.
1363 (selftest::test_qsort): New function.
1364 (selftest::vec_c_tests): New function.c.
1365 * wide-int.cc: Include selftest.h and wide-int-print.h.
1366 (selftest::from_int <wide_int>): New function.
1367 (selftest::from_int <offset_int>): New function.
1368 (selftest::from_int <widest_int>): New function.
1369 (selftest::assert_deceq): New function.
1370 (selftest::assert_hexeq): New function.
1371 (selftest::test_printing <VALUE_TYPE>): New function template.
1372 (selftest::test_ops <VALUE_TYPE>): New function template.
1373 (selftest::test_comparisons <VALUE_TYPE>): New function template.
1374 (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
1376 (selftest::wide_int_cc_tests): New function.
1378 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1381 * ifcvt.c (noce_try_ifelse_collapse): New function.
1383 (noce_process_if_block): Call noce_try_ifelse_collapse.
1384 * simplify-rtx.c (simplify_cond_clz_ctz): New function.
1385 (simplify_ternary_operation): Use the above to simplify
1386 conditional CLZ/CTZ expressions.
1388 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1391 * config/aarch64/aarch64.md (ctz<mode>2): Convert to
1392 define_insn_and_split.
1394 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1397 * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
1399 2016-06-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
1402 * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
1403 Implicitly clobber memory for basic asm with non-empty assembler
1404 string. Use targetm.md_asm_adjust also here.
1405 * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
1406 * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
1407 * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
1408 non-empty assembler string.
1409 * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
1410 * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
1411 (decode_asm_operands): Handle basic asm in PARALLEL block.
1412 (extract_insn): Handle basic asm in PARALLEL block.
1413 * doc/extend.texi: Mention new behavior of basic asm.
1414 * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
1415 * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
1416 branch_needs_nop_p): Use asm_noperands.
1418 2016-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
1420 * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1421 Include the M7 SPARC DFA scheduler.
1422 New attribute v3pipe.
1423 Annotate insns with v3pipe where appropriate.
1424 Define cpu_feature vis4.
1425 Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1426 Add (V8QI "8") to vbits.
1427 Add insns {add,sub}v8qi3
1428 Add insns ss{add,sub}v8qi3
1429 Add insns us{add,sub}{v8qi,v4hi}3
1430 Add insns {min,max}{v8qi,v4hi,v2si}3
1431 Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1432 Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1433 * config/sparc/niagara4.md: Add a comment explaining the
1434 discrepancy between the documented latenty numbers and the
1436 * config/sparc/niagara7.md: New file.
1437 * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1438 supports SPARC5 and VIS 4.0 instructions.
1439 * configure: Regenerate.
1440 * config.in: Likewise.
1441 * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1442 * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1443 TARGET_CPU_niagara7.
1444 (ASM_CPU64_DEFAULT_SPEC): Likewise.
1445 (CPP_CPU_SPEC): Handle niagara7.
1446 (ASM_CPU_SPEC): Likewise.
1447 * config/sparc/sparc-opts.h (processor_type): Add
1449 (mvis4): New option.
1450 * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1451 (AS_NIAGARA7_FLAG): Define.
1452 (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1453 (CPP_CPU64_DEFAULT_SPEC): Likewise.
1454 (CPP_CPU_SPEC): Handle niagara7.
1455 (ASM_CPU_SPEC): Likewise.
1456 * config/sparc/sparc.c (niagara7_costs): Define.
1457 (sparc_option_override): Handle niagara7 and adjust cache-related
1458 parameters with better values for niagara cpus. Also support VIS4.
1459 (sparc32_initialize_trampoline): Likewise.
1460 (sparc_use_sched_lookahead): Likewise.
1461 (sparc_issue_rate): Likewise.
1462 (sparc_register_move_cost): Likewise.
1463 (dump_target_flag_bits): Support VIS4.
1464 (sparc_vis_init_builtins): Likewise.
1465 (sparc_builtins): Likewise.
1466 * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1468 * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1470 * config/sparc/sparc.opt (sparc_processor_type): New value
1472 * config/sparc/visintrin.h (__attribute__): Prototypes for the
1474 * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1476 * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1479 2016-06-06 Jonathan Wakely <jwakely@redhat.com>
1481 * doc/sourcebuild.texi (Directives): Remove extra closing braces.
1483 2016-06-06 Richard Biener <rguenther@suse.de>
1485 PR tree-optimization/71398
1486 * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
1489 2016-06-05 James Bowman <james.bowman@ftdichip.com>
1491 * config/ft32/ft32.c (ft32_setup_incoming_varargs,
1492 ft32_expand_prolog, ft32_expand_epilogue):
1493 Handle pretend_args.
1494 * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
1495 * config/ft32/ft32.md: Add pretend_returner.
1497 2016-06-06 Uros Bizjak <ubizjak@gmail.com>
1500 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1501 Copy op1 RTX to avoid invalid sharing.
1502 (ix86_expand_vector_move_misalign): Ditto.
1504 2016-06-05 John David Anglin <danglin@gcc.gnu.org>
1506 * expr.c (move_by_pieces_d::generate): Mark mode parameter with
1509 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
1511 * predict.c (predicted_by_loop_heuristics_p): New function.
1512 (predict_iv_comparison): Use it.
1513 (predict_loops): Walk from innermost loops; do not predict edges
1514 leaving multiple loops multiple times; implement
1515 PRED_LOOP_ITERATIONS_MAX heuristics.
1516 * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
1518 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
1520 * cfg.c (check_bb_profile): Do not report mismatched profiles when
1521 only edges out of BB are EH edges.
1523 2016-06-04 Martin Sebor <msebor@redhat.com>
1524 Marcin Baczyński <marbacz@gmail.com>
1527 * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
1528 a void expression in a void function.
1530 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
1532 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
1533 aux; dump reasons of decisions.
1534 (should_duplicate_loop_header_p): Likewise.
1535 (do_while_loop_p): Likewise.
1536 (ch_base::copy_headers): Dump asi num insns duplicated.
1538 2016-06-04 Jakub Jelinek <jakub@redhat.com>
1540 PR tree-optimization/71405
1541 * tree-ssa.c (execute_update_addresses_taken): For clobber with
1542 incompatible type, build a new clobber with the right type instead
1543 of building a VIEW_CONVERT_EXPR around it.
1545 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
1547 PR tree-optimization/52171
1548 * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
1549 by_pieces_ninsns instead of move_by_pieces_ninsns.
1551 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
1553 * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
1554 for reg+reg addressing mode.
1556 2016-06-03 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1558 * rs6000-c.c (c/c-tree.h): Add #include.
1559 (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
1560 in C++ when found in the base position of vec_ld or vec_st.
1562 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
1564 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
1565 use of profile unless profile status is PROFILE_READ.
1566 * profile.c (compute_branch_probabilities): Set profile status
1567 only after reporting predictor hitrates.
1569 2016-06-03 Joseph Myers <joseph@codesourcery.com>
1573 * common.opt (ffp-int-builtin-inexact): New option.
1574 * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
1575 * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
1576 (ceil@var{m}2): Document dependence on this option.
1577 * ipa-inline-transform.c (inline_call): Handle
1578 flag_fp_int_builtin_inexact.
1579 * ipa-inline.c (can_inline_edge_p): Likewise.
1580 * config/i386/i386.md (rintxf2): Do not test
1581 flag_unsafe_math_optimizations.
1582 (rint<mode>2_frndint): New define_insn.
1583 (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
1584 or !flag_trapping_math for SSE. Just use gen_rint<mode>2_frndint
1585 for 387 instead of extending and truncating.
1586 (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
1587 !flag_trapping_math instead of flag_unsafe_math_optimizations.
1588 Change to frndint<mode>2_<rounding>.
1589 (frndintxf2_<rounding>_i387): Likewise. Change to
1590 frndint<mode>2_<rounding>_i387.
1591 (<rounding_insn>xf2): Likewise.
1592 (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
1593 !flag_trapping_math instead of flag_unsafe_math_optimizations for
1594 x87. Test TARGET_ROUND || !flag_trapping_math ||
1595 flag_fp_int_builtin_inexact instead of !flag_trapping_math for
1596 SSE. Use ROUND_NO_EXC in constant operand of
1597 gen_sse4_1_round<mode>2. Just use gen_frndint<mode>2_<rounding>
1598 for 387 instead of extending and truncating.
1600 2016-06-03 H.J. Lu <hongjiu.lu@intel.com>
1601 Julia Koval <julia.koval@intel.com>
1613 * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
1614 * config/i386/i386.c (ix86_conditional_register_usage): Preserve
1615 all registers, except for function return registers if there are
1616 no caller-saved registers.
1617 (ix86_set_func_type): New function.
1618 (ix86_set_current_function): Call ix86_set_func_type to set
1619 no_caller_saved_registers and func_type. Call reinit_regs if
1620 caller-saved registers are changed. Don't allow MPX, SSE, MMX
1621 nor x87 instructions in interrupt handler nor function with
1622 no_caller_saved_registers attribute.
1623 (ix86_function_ok_for_sibcall): Return false if there are no
1624 caller-saved registers.
1625 (type_natural_mode): Don't warn ABI change for MMX in interrupt
1627 (ix86_function_arg_advance): Skip for callee in interrupt handler.
1628 (ix86_function_arg): Return special arguments in interrupt handler.
1629 (ix86_promote_function_mode): Promote pointer to word_mode only
1630 for normal functions.
1631 (ix86_can_use_return_insn_p): Don't use `ret' instruction in
1633 (ix86_epilogue_uses): New function.
1634 (ix86_hard_regno_scratch_ok): Likewise.
1635 (ix86_save_reg): Preserve all registers in interrupt handler
1636 after reload. Preserve all registers, except for function return
1637 registers, if there are no caller-saved registers after reload.
1638 (find_drap_reg): Always use callee-saved register if there are
1639 no caller-saved registers.
1640 (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
1641 for interrupt handler.
1642 (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
1643 Emit cld instruction if stringops are used in interrupt handler
1644 or interrupt handler isn't a leaf function.
1645 (ix86_expand_epilogue): Generate interrupt return for interrupt
1646 handler and pop the 'ERROR_CODE' off the stack before interrupt
1647 return in exception handler.
1648 (ix86_expand_call): Disallow calling interrupt handler directly.
1649 If there are no caller-saved registers, mark all registers that
1650 are clobbered by the call which returns as clobbered.
1651 (ix86_handle_no_caller_saved_registers_attribute): New function.
1652 (ix86_handle_interrupt_attribute): Likewise.
1653 (ix86_attribute_table): Add interrupt and no_caller_saved_registers
1655 (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
1656 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
1657 accumulation in interrupt function if stack may be realigned to
1659 (EPILOGUE_USES): New.
1660 (function_type): New enum.
1661 (machine_function): Add func_type and no_caller_saved_registers.
1662 * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
1663 (interrupt_return): New pattern.
1664 * doc/extend.texi: Document x86 interrupt and
1665 no_caller_saved_registers attributes.
1667 2016-06-03 Bernd Schmidt <bschmidt@redhat.com>
1669 PR tree-optimization/52171
1670 * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
1671 (expand_builtin_memcmp): New arg RESULT_EQ. All callers changed.
1672 Look for constant strings. Move some code to emit_block_cmp_hints
1674 * builtins.def (BUILT_IN_MEMCMP_EQ): New.
1675 * defaults.h (COMPARE_MAX_PIECES): New macro.
1676 * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
1677 (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
1678 (clear_by_pieces_1): Don't declare. Move definition before use.
1679 (can_do_by_pieces): New static function.
1680 (can_move_by_pieces): Use it. Return bool.
1681 (by_pieces_ninsns): Renamed from move_by_pieces_ninsns. New arg
1682 OP. All callers changed. Handle COMPARE_BY_PIECES.
1683 (class pieces_addr); New.
1684 (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
1685 pieces_addr::adjust, pieces_addr::increment_address,
1686 pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
1688 (class op_by_pieces_d): New.
1689 (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
1691 (class move_by_pieces_d, class compare_by_pieces_d,
1692 class store_by_pieces_d): New subclasses of op_by_pieces_d.
1693 (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
1694 move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
1695 store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
1696 compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
1697 compare_by_pieces_d::finish_mode): New member functions.
1698 (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
1700 (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
1701 (emit_block_cmp_hints): New function.
1702 (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
1703 use the newly defined classes.
1704 * expr.h (by_pieces_constfn): New typedef.
1705 (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
1706 (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
1707 (move_by_pieces_ninsns): Don't declare.
1708 (can_move_by_pieces): Change return value to bool.
1709 * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
1710 (compare_by_pieces_branch_ratio): New hook.
1711 * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
1712 (by_pieces_ninsns): Declare.
1713 * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
1715 (default_compare_by_pieces_branch_ratio): New function.
1716 * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
1717 * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
1718 * doc/tm.texi: Regenerate.
1719 * tree-ssa-strlen.c: Include "builtins.h".
1720 (handle_builtin_memcmp): New static function.
1721 (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
1722 * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
1724 2016-06-03 Alan Hayward <alan.hayward@arm.com>
1726 * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
1727 relevant stmts which are simple and invariant.
1728 * tree-vect-loop.c (vectorizable_live_operation): Check relevance
1729 instead of simple and invariant
1731 2016-06-03 Alan Hayward <alan.hayward@arm.com>
1733 * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
1734 (vectorizable_reduction): Check for new relevant state.
1735 (vectorizable_live_operation): vectorize live stmts using
1736 BIT_FIELD_REF. Remove special case for gimple assigns stmts.
1737 * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
1738 (vect_stmt_relevant_p): Check for stmts which are only used live.
1739 (process_use): Use of a stmt does not inherit it's live value.
1740 (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
1741 (vect_analyze_stmt): Check for new relevant state.
1742 * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
1743 outside the loop, but not inside it.
1745 2016-06-03 Alan Hayward <alan.hayward@arm.com>
1747 * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
1748 * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
1749 (vect_get_vec_def_for_operand): Split out code.
1751 2016-06-03 Segher Boessenkool <segher@kernel.crashing.org>
1753 * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
1755 2016-06-03 Alan Hayward <alan.hayward@arm.com>
1757 * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
1759 2016-06-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1761 * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
1763 2016-06-03 Jakub Jelinek <jakub@redhat.com>
1766 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
1767 to noreturn e->callee->decl that has void return type and void
1768 arguments, adjust gimple_call_fntype and remove lhs even if it had
1769 previously addressable type.
1771 2016-06-02 Jeff Law <law@redhat.com>
1773 PR tree-optimization/71328
1774 * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
1775 error when checking for a jump back onto the copied path.
1777 2016-06-02 David Malcolm <dmalcolm@redhat.com>
1779 * config/microblaze/microblaze.c (get_branch_target): Add return
1780 NULL_RTX for the non-CALL_P case.
1781 (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
1782 (insert_wic): Remove unused local "j".
1784 2016-06-02 Martin Liska <mliska@suse.cz>
1786 * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
1788 2016-06-02 H.J. Lu <hongjiu.lu@intel.com>
1789 Julia Koval <julia.koval@intel.com>
1791 * function.c (assign_parm_setup_stack): Force source into a
1793 * target.def (function_incoming_arg): Update documentation to
1794 allow arbitrary address computation based on hard register.
1795 * doc/tm.texi: Regenerated.
1797 2016-06-02 Martin Liska <mliska@suse.cz>
1799 * predict.c (combine_predictions_for_bb): Fix first match in
1800 cases where a first predictor contains more than one occurence
1801 in list of predictors. Take the best value in such case.
1803 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1805 PR rtl-optimization/71295
1806 * rtlanal.c (subreg_get_info): If taking a subreg at the requested
1807 offset would go over the size of the inner mode reject it.
1809 2016-06-02 Jakub Jelinek <jakub@redhat.com>
1811 * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
1812 x=x,x and v=v,m instead of x=x,m.
1814 * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
1815 alternative. Change x=x,x alternative to v=Yv,Yv and x=rm,C
1816 alternative to v=rm,C.
1818 * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
1819 alternative. Change x=xm,C alternative to v=vm,C, x=x,x alternative
1820 to v=Yv,Yv and x=x,m to v=v,m. Use maybe_evex prefix attribute
1821 instead of vex for the last two above mentioned alternatives.
1823 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1826 * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
1828 2016-06-02 Segher Boessenkool <segher@kernel.crashing.org>
1830 * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
1832 2016-06-01 David Malcolm <dmalcolm@redhat.com>
1834 * config/rl78/rl78.c (rl78_expand_prologue): Convert local
1835 from int to unsigned.
1837 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
1839 * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
1840 alternatives, eliminating preferred register class. Add support
1841 for the MTVSRDD instruction in ISA 3.0.
1842 (vsx_splat_v4si_internal): Use splat_input_operand instead of
1843 reg_or_indexed_operand.
1844 (vsx_splat_v4sf_internal): Likewise.
1846 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
1849 * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
1850 for loading up all 0's or all 1's.
1852 2016-06-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
1854 * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
1856 2016-06-01 Eduard Sanou <dhole@openmailbox.org>
1858 * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
1860 * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
1861 * gcc.c (set_source_date_epoch_envvar): New function, sets
1862 the SOURCE_DATE_EPOCH environment variable to the current time.
1864 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
1866 * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
1867 the factor for live Phi nodes.
1869 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
1871 * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
1872 * tree-parloops.c (parallelize_loops): likewise.
1873 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
1874 tree_unswitch_outer_loop): likewise.
1876 2016-06-01 Jakub Jelinek <jakub@redhat.com>
1879 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
1880 around creation of the temporary.
1882 2016-06-01 Richard Biener <rguenther@suse.de>
1884 PR tree-optimization/71366
1885 * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
1886 (unloop_loops): Move removing edges here ...
1887 (try_unroll_loop_completely): ... from here.
1888 (try_peel_loop): ... and here.
1889 (tree_unroll_loops_completely_1): Track parent loops via
1890 bitmap of header BBs.
1891 (tree_unroll_loops_completely): Adjust for that.
1893 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
1895 * config/rs6000/altivec.h (vec_slv): New macro.
1896 (vec_srv): New macro.
1897 * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
1898 (UNSPEC_VSRV): New value.
1901 * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
1902 (vsrv): New builtin definition.
1903 * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
1904 define argument types for new builtin.
1905 (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
1907 * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
1910 2016-06-01 Uros Bizjak <ubizjak@gmail.com>
1911 Jocelyn Mayer <l_indien@magic.fr>
1914 * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
1915 detect processor family for signature_CENTAUR_ebx.
1916 <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
1917 signature_CENTAUR_ebx.
1918 <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
1919 <default>: Pass x86-64 for has_longmode.
1921 2016-06-01 Nathan Sidwell <nathan@acm.org>
1923 * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
1926 2016-06-01 Richard Biener <rguenther@suse.de>
1928 PR tree-optimization/71261
1929 * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
1930 of stmts successfully put in the bool pattern. Remove
1931 single-use restriction.
1932 (adjust_bool_pattern_cast): Add cast at the use site via the
1933 pattern def sequence.
1934 (adjust_bool_pattern): Remove recursion, maintain a hash-map
1935 of patterned defs. Use the pattern def seqence instead of
1936 multiple independent patterns.
1937 (sort_after_uid): New qsort compare function.
1938 (adjust_bool_stmts): New function to process stmts in the bool
1939 pattern in IL order.
1940 (vect_recog_bool_pattern): Adjust.
1941 * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
1942 (ifcvt_walk_pattern_tree): Likewise.
1943 (stmt_is_root_of_bool_pattern): Likewise.
1944 (ifcvt_repair_bool_pattern): Likewise.
1945 (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
1947 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
1949 * loop-unroll.c (decide_unroll_constant_iterations,
1950 decide_unroll_runtime_iterations, decide_unroll_stupid): Use
1951 likely upper bounds.
1952 * loop-iv.c (find_simple_exit): Dump likely upper bounds.
1954 2016-06-01 Thomas Schwinge <thomas@codesourcery.com>
1956 * tree-core.h (enum omp_clause_code): Remove
1957 OMP_CLAUSE_DEVICE_RESIDENT. Adjust all users.
1959 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1961 * config/arm/sync.md (arm_store_exclusive<mode>):
1962 Use 'H' output modifier on operands[2] rather than creating a new
1963 entry in out-of-bounds memory of the operands array.
1964 (arm_store_release_exclusivedi): Likewise.
1966 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1968 * config/arm/arm.c (arm_fusion_enabled_p): New function.
1969 * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
1970 * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
1971 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
1973 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
1975 * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
1976 into account live statements for mask producers.
1978 2016-06-01 Richard Biener <rguenther@suse.de>
1980 PR tree-optimization/71311
1981 * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
1982 restrict to non-INTEGER_CST @0.
1984 2016-06-01 Richard Biener <rguenther@suse.de>
1986 * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
1987 (relational patterns): Use :c to avoid pattern duplications.
1989 2016-06-01 Richard Biener <rguenther@suse.de>
1991 * genmatch.c (comparison_code_p): New predicate.
1992 (swap_tree_comparison): New function.
1993 (commutate): Add for_vec parameter to append new for entries.
1994 Support commutating relational operators by swapping it alongside
1996 (lower_commutative): Adjust.
1997 (dt_simplify::gen): Do not pass artificial operators to gen
1999 (decision_tree::gen): Do not add artificial operators as parameters.
2000 (parser::parse_expr): Verify operator commutativity when :c is
2001 applied. Allow :C to override this.
2002 * match.pd: Adjust patterns to use :C instead of :c where required.
2004 2016-06-01 Patrick Palka <ppalka@gcc.gnu.org>
2006 PR tree-optimization/71077
2007 * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2008 the combining step, use boolean_false_node and boolean_true_node
2009 as the designated false/true return values.
2011 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
2013 * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2014 * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2015 (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2018 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
2020 * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2021 of flags impliying the register renaming.
2022 * toplev.c (process_options): Do not imply flag_rename_registers with
2025 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
2027 * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2028 default implementation.
2030 2016-05-31 Nathan Sidwell <nathan@acm.org>
2032 * dwarf2out.c (cur_line_info_table): Add GTY marker.
2034 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
2036 * config/sh/constraints.md (b): Remove constraint.
2037 * config/sh/predicates.md (arith_reg_operand): Remove
2039 * config/sh/sh-modes.def (PDI): Remove.
2040 * config/sh/sh.c (sh_target_reg_class,
2041 sh_optimize_target_register_callee_saved): Remove functions.
2042 (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2043 (sh_expand_epilogue): Update comment.
2044 (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2045 sh_secondary_reload): Remove TARGET_REGS related code.
2046 * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2047 TARGET_REGISTER_P): Remove macros.
2048 (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2049 * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2050 TR1_REG, TR2_REG): Remove constants.
2051 * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2053 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
2055 * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2056 define_expand patterns.
2057 (adddi3_compact): Rename to adddi3.
2058 (subdi3_compact): Rename to subdi3.
2059 (*negdi2): Rename to negdi2.
2060 (*abs<mode>2): Rename to abs<mode>2.
2062 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
2064 * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2065 (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2066 (atomic_sub_fetchsi): ... this new pattern.
2067 (mvtc): Add CC_REG clobber.
2069 2016-05-31 Marek Polacek <polacek@redhat.com>
2071 * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2073 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2075 * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2076 aarch64_fusion_enabled_p to check for fusion capabilities.
2078 2016-05-31 Richard Biener <rguenther@suse.de>
2080 PR tree-optimization/71352
2081 * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2082 minus one and a negate.
2084 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2086 * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2087 * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2089 * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2090 * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2091 Remove use of aarch64_simd_attr_length_move, set length attribute
2093 (*aarch64_be_movoi): Likewise.
2094 (*aarch64_be_movci): Likewise.
2095 (*aarch64_be_movxi): Likewise.
2097 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
2099 * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2100 It no longer does that.
2101 * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2103 2016-05-31 Wladimir J. van der Laan <laanwj@gmail.com>
2105 * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2106 attribute __unused__.
2108 2016-05-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
2110 * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2111 * config/arm/arm.c (arm_arch_thumb1): Define.
2112 (arm_option_override): Initialize arm_arch_thumb1.
2113 * config/arm/arm.h (arm_arch_thumb1): Declare.
2114 (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2115 support Thumb-1 ISA.
2117 2016-05-31 Kirill Yukhin <kirill.yukhin@intel.com>
2120 * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2121 `Yv' for scalar operand.
2123 2016-05-31 Tom de Vries <tom@codesourcery.com>
2125 PR tree-optimization/69068
2126 * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2127 phis with more than two args.
2129 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
2131 * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2132 armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2135 2016-05-30 Jose E. Marchesi <jose.marchesi@oracle.com>
2137 * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2139 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2141 * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2142 cpu_32, cpu_64, tune_32 and tune_64.
2143 * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2145 2016-05-30 Uros Bizjak <ubizjak@gmail.com>
2147 * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2149 2016-05-30 Andi Kleen <ak@linux.intel.com>
2151 * auto-profile.c (read_profile): Replace asserts with errors
2152 when file does not exist.
2153 * gcov-io.c (gcov_read_words): Dito.
2155 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
2157 * tree-cfg.c (print_loop): Print likely upper bounds.
2159 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
2161 * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2162 * opts.c (default_options): Enable peel loops at -O3.
2163 * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2164 (try_peel_loop): Do not re-peel already peeled loops;
2165 use likely upper bounds; fix profile updating.
2166 (pass_complete_unroll::execute): Initialize peeled_loops.
2168 2016-05-30 Martin Liska <mliska@suse.cz>
2170 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2171 computed costs by frequency of BB they belong to.
2172 (get_scaled_computation_cost_at): New function.
2174 2016-05-30 Alexander Monakov <amonakov@ispras.ru>
2175 Marc Glisse <marc.glisse@inria.fr>
2177 PR tree-optimization/71289
2178 * match.pd (-1 / B < A, A > -1 / B): New transformations.
2180 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
2182 * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2184 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
2186 * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2187 for peeled copies; avoid underflow when updating estimates; correctly
2190 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
2192 * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2193 r236875. Corrected oe3 to oe2 as obvious.
2195 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
2199 * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2200 that inserted stmt will not dominate stmts that defines its operand.
2201 (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
2202 (rewrite_expr_tree_parallel): Likewise.
2204 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
2207 * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
2208 all fields including stmt_to_insert are swapped.
2210 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
2212 * predict.h (force_edge_cold): Declare.
2213 * predict.c (force_edge_cold): New function.
2214 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
2216 (canonicalize_loop_induction_variables): Fix formating.
2218 2016-05-30 Eric Botcazou <ebotcazou@adacore.com>
2220 * config/visium/visium.c (visium_split_double_add): Minor tweaks.
2221 (visium_expand_copysign): Use gen_int_mode directly.
2222 (visium_compute_frame_size): Minor tweaks.
2224 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
2226 * tree-vect-loop.c (vect_analyze_loop_2): Use
2227 likely_max_stmt_executions_int.
2229 2016-05-30 Tom de Vries <tom@codesourcery.com>
2231 PR tree-optimization/69067
2232 * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
2234 2016-05-29 Uros Bizjak <ubizjak@gmail.com>
2237 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2238 New peepholes to remove unneeded fild/fistp pairs.
2239 (define_peephole2 atomic_loaddi_fpu): Ditto.
2241 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
2243 * predict.c (maybe_hot_frequency_p): Avoid division.
2245 2016-05-28 Gerald Pfeifer <gerald@pfeifer.com>
2247 * doc/install.texi: Use https for shop.fsf.org.
2249 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
2251 * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
2252 likely_max_stmt_executions_int.
2254 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
2256 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
2257 likely_max_stmt_executions_int.
2259 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
2261 * profile.c (compute_branch_probabilities): Do not report hitrates
2263 (branch_prob): Report hitrates here.
2264 * predict.c (gimple_predict_edge): Do not assert profile status;
2265 fix formatting issues.
2267 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
2269 * predict.c (edge_predicted_by_p): New function.
2270 (predict_paths_for_bb): Do not put multiple predictions of the same type
2273 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
2275 * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
2278 2016-05-28 Alan Modra <amodra@gmail.com>
2280 * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
2282 2016-05-28 Alan Modra <amodra@gmail.com>
2284 PR rtl-optimization/71275
2285 * ira.c (ira): Free dominance info.
2287 2016-05-27 Gerald Pfeifer <gerald@pfeifer.com>
2289 * doc/sourcebuild.texi: New address for upstream Go repository.
2291 2016-05-27 Thomas Preud'homme <thomas.preudhomme@arm.com>
2293 * config/arm/arm.h (TARGET_ARM_V6M): Remove.
2294 (TARGET_ARM_V7M): Likewise.
2296 2016-05-26 Jeff Law <law@redhat.com>
2298 * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
2299 (thread_across_edge): Remove calls to find_jump_threads_backwards.
2300 * passes.def: Add jump threading passes before DOM/VRP.
2301 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
2302 argument to a basic block from an edge. Remove tests which are
2304 (pass_data_thread_jumps, class pass_thread_jumps): New.
2305 (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
2306 (make_pass_thread_jumps): Likewise.
2307 * tree-pass.h (make_pass_thread_jumps): Declare.
2309 2016-05-27 Eric Botcazou <ebotcazou@adacore.com>
2311 * config/visium/visium-protos.h (split_double_move): Rename into...
2312 (visium_split_double_move): ...this.
2313 (visium_split_double_add): Declare.
2314 * config/visium/visium.c (split_double_move): Rename into...
2315 (visium_split_double_move): ...this.
2316 (visium_split_double_add): New function.
2317 (visium_expand_copysign): Renumber operands for consistency.
2318 * config/visium/visium.md (DImode move splitter): Adjust to renaming.
2319 (DFmode move splitter): Likewise.
2320 (*addi3_insn): Split by means of visium_split_double_add.
2321 (*adddi3_insn_flags): Delete.
2322 (*plus_plus_sltu<subst_arith>): New insn.
2323 (*subdi3_insn): Split by means of visium_split_double_add.
2324 (subdi3_insn_flags): Delete.
2325 (*minus_minus_sltu<subst_arith>): New insn.
2326 (*negdi2_insn): Split by means of visium_split_double_add.
2327 (*negdi2_insn_flags): Delete.
2329 2016-05-27 Ulrich Weigand <uweigand@de.ibm.com>
2331 * configure.ac: Treat a --with-headers option without argument
2332 the same as the default (i.e. consult sys-include directory).
2333 * configure: Regenerate.
2335 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2337 * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
2338 * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
2340 * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
2341 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
2343 2016-05-27 Jiong Wang <jiong.wang@arm.com>
2346 * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
2347 tree-stdarg analysis results.
2348 (aarch64_setup_incoming_varargs): Likewise.
2350 2016-05-27 Jiong Wang <jiong.wang@arm.com>
2352 * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
2353 va_list_gpr_counter_field and va_list_fpr_counter_field.
2355 2016-05-27 Wilco Dijkstra <wdijkstr@arm.com>
2358 * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
2359 * config/aarch64/aarch64.c
2360 (aarch64_cannot_change_mode_class): Remove function.
2361 * config/aarch64/aarch64-protos.h
2362 (aarch64_cannot_change_mode_class): Remove.
2364 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
2366 * cfgloop.c (record_niter_bound): Record likely upper bounds.
2367 (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
2368 get_likely_max_loop_iterations_int): New.
2369 * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
2370 any_likely_upper_bound.
2371 (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
2373 * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
2374 * loop-unroll.c (unroll_loop_constant_iterations): Update likely
2376 (unroll_loop_constant_iterations): Likewise.
2377 (unroll_loop_runtime_iterations): Likewise.
2378 * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
2379 * lto-streamer-out.c (output_cfg): Likewise.
2380 * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
2382 (canonicalize_loop_induction_variables): Dump likely upper bounds.
2383 * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
2384 (likely_max_loop_iterations): New.
2385 (likely_max_loop_iterations_int): New.
2386 (likely_max_stmt_executions): New.
2387 * tree-ssa-loop-niter.h (likely_max_loop_iterations,
2388 likely_max_loop_iterations_int, likely_max_stmt_executions_int,
2389 likely_max_stmt_executions): Declare.
2391 2016-05-27 Marek Polacek <polacek@redhat.com>
2394 * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
2396 2016-05-27 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2398 * config/s390/s390.md (2x risbg splitters): Use
2399 reg_overlap_mentioned_p instead of rtx_equal_p.
2401 2016-05-27 Dominik Vogt <vogt@linux.vnet.ibm.com>
2403 * combine.c (make_compound_operation): Take known zero bits into
2404 account when checking for possible zero_extend.
2406 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2408 * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
2409 Use const_int_operand for operand 2 predicate. Simplify expand code
2412 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
2415 * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
2418 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2420 * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
2421 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
2422 that returns CC_SESWPmode and CC_ZESWPmode.
2423 (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
2425 (aarch64_rtx_costs): Likewise.
2427 2016-05-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2429 * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2430 for ISA 3.0 min/max support.
2431 (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2432 conditional move support.
2433 (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2434 rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2436 * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2437 conditional moves where the comparison type is different from move
2439 (fp_minmax): New code iterator for smin/smax.
2440 (minmax): New code attributes for min/max.
2441 (SMINMAX): Likewise.
2442 (smax<mode>3): Combine min, max insns into one insn using the
2443 fp_minmax code iterator. Add support for ISA 3.0 min/max
2444 instructions that don't need -ffast-math.
2445 (s<minmax><mode>3): Likewise.
2446 (smax<mode>3_vsx): Likewise.
2447 (smin<mode>3): Likewise.
2448 (s<minmax><mode>3_vsx): Likewise.
2449 (smin<mode>3_vsx): Likewise.
2450 (pre-VSX min/max splitters): Likewise.
2451 (s<minmax><mode>3_fpr): Likewise.
2452 (movsfcc): Rewrite floating point conditional moves to combine
2453 SFmode/DFmode into a single insn.
2454 (mov<mode>cc): Likewise.
2455 (movdfcc): Likewise.
2456 (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2457 SFDF2 iterators to handle all combinations.
2458 (fseldfsf4): Likewise.
2459 (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2460 (fseldfdf4): Likewise.
2461 (fselsfdf4): Likewise.
2462 (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2463 comparison instructions that set a 0/-1 mask, and use it for
2464 floating point conditional move via XXSEL.
2465 (fpmask<mode>): Likewise.
2466 (xxsel<mode>): Likewise.
2467 * config/rs6000/predicates.md (min_max_operator): Delete, no
2469 (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2470 instructions that generate a 0/-1 mask for use with XXSEL.
2471 * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2472 say whether floating point min/max is available, either through
2473 FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2474 (TARGET_MINMAX_DF): Likewise.
2476 2016-05-27 Alan Modra <amodra@gmail.com>
2478 PR rtl-optimization/71275
2479 * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
2480 for update_equiv_regs and combine_and_move_insns.
2482 2016-05-26 Uros Bizjak <ubizjak@gmail.com>
2484 * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
2485 if_then_else or cond RTXes to calculate attribute value.
2486 * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
2487 <attr "length_immediate>: Ditto.
2488 (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
2489 * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
2490 (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
2491 <attr "type">: Ditto.
2492 <attr "prefix_data16">: Ditto.
2493 <attr "prefix_extra">: Ditto.
2494 <attr "length_immediate">: Ditto.
2495 <attr "prefix">: Ditto.
2496 (vec_set<mode>_0) <attr "isa">: Ditto.
2497 <attr "prefix_extra">: Ditto.
2498 <attr "length_immediate">: Ditto.
2499 <attr "prefix">: Ditto.
2500 (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
2501 (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
2502 (sse2_storelpd) <attr "prefix_data16">: Ditto.
2503 (sse2_loadhpd) <attr "prefix_data16">: Ditto.
2504 (sse2_loadlpd) <attr "prefix_data16">: Ditto.
2505 <attr "length_immediate">: Ditto.
2506 <attr "prefix">: Ditto.
2507 (sse2_movsd) <attr "length_immediate">: Ditto.
2508 <attr "prefix">: Ditto.
2509 (vec_concatv2df) <attr "isa">: Ditto.
2510 <attr "prefix">: Ditto.
2511 (*vec_extractv4si) <attr "prefix_extra">: Ditto.
2512 (*vec_extractv2di_1) <attr "isa">: Ditto.
2513 <attr "type">: Ditto.
2514 <attr "length_immediate">: Ditto.
2515 <attr "prefix_rex">: Ditto.
2516 <attr "prefix_extra">: Ditto.
2517 (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
2518 <attr "prefix_extra">: Ditto.
2519 <attr "length_immediate">: Ditto.
2520 (vec_concatv2di) <attr "isa">: Ditto.
2521 <attr "prefix_extra">: Ditto.
2522 <attr "length_immediate">: Ditto.
2523 <attr "prefix">: Ditto.
2525 2016-05-26 Martin Liska <mliska@suse.cz>
2527 * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
2529 (operator+): Likewise.
2530 (operator-): Likewise.
2531 (comp_cost::operator+=): Likewise.
2532 (comp_cost::operator-=): Likewise.
2533 (comp_cost::operator/=): Likewise.
2534 (comp_cost::operator*=): Likewise.
2535 (operator<): Likewise.
2536 (operator==): Likewise.
2537 (operator<=): Likewise.
2539 (infinite_cost_p): Likewise.
2540 (add_costs): Likewise.
2541 (sub_costs): Likewise.
2542 (compare_costs): Likewise.
2543 (set_group_iv_cost): Use the newly introduced functions.
2544 (get_address_cost): Likewise.
2545 (get_shiftadd_cost): Likewise.
2546 (force_expr_to_var_cost): Likewise.
2547 (split_address_cost): Likewise.
2548 (ptr_difference_cost): Likewise.
2549 (difference_cost): Likewise.
2550 (get_computation_cost_at): Likewise.
2551 (determine_group_iv_cost_generic): Likewise.
2552 (determine_group_iv_cost_address): Likewise.
2553 (determine_group_iv_cost_cond): Likewise.
2554 (autoinc_possible_for_pair): Likewise.
2555 (determine_group_iv_costs): Likewise.
2556 (cheaper_cost_pair): Likewise.
2557 (iv_ca_recount_cost): Likewise.
2558 (iv_ca_set_no_cp): Likewise.
2559 (iv_ca_set_cp): Likewise.
2560 (iv_ca_cost): Likewise.
2561 (iv_ca_new): Likewise.
2562 (iv_ca_dump): Likewise.
2563 (iv_ca_narrow): Likewise.
2564 (iv_ca_prune): Likewise.
2565 (iv_ca_replace): Likewise.
2566 (try_add_cand_for): Likewise.
2567 (try_improve_iv_set): Likewise.
2568 (find_optimal_iv_set): Likewise.
2570 2016-05-26 Richard Sandiford <richard.sandiford@arm.com>
2572 * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
2573 that internal functions will clobber all caller-saved registers.
2575 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
2577 * config/aarch64/aarch64.c (aarch64_case_values_threshold):
2578 Return a better case_values_threshold when optimizing.
2580 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
2582 * config/aarch64/aarch64-simd.md (aarch64_combinez):
2583 Add ? to integer variant.
2584 (aarch64_combinez_be): Likewise.
2586 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2588 * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
2589 instead of x constraint.
2590 (vcvtps2ph256<mask_name>): Likewise.
2592 * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
2593 alternative. Formatting fix.
2595 * config/i386/sse.md
2596 (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
2598 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
2599 (*avx_vperm_broadcast_v4sf): Use v constraint instead of x. Use
2600 maybe_evex prefix instead of vex.
2601 (*avx_vperm_broadcast_<mode>): Use v constraint instead of x. Handle
2602 EXT_REX_SSE_REG_P (op0) case in the splitter.
2604 2016-05-25 Jeff Law <law@redhat.com>
2606 PR tree-optimization/71272
2607 * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
2608 Update comments. Add test for empty path.
2610 2016-05-25 Bill Seurer <seurer@linux.vnet.ibm.com>
2612 * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
2613 * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
2614 special case builtin.
2615 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2616 code for ALTIVEC_BUILTIN_VEC_CMPNE.
2617 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2618 for __builtin_vec_cmpne.
2620 2016-05-25 Eric Botcazou <ebotcazou@adacore.com>
2622 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
2623 redundant test and bail out if the type of the new operand is not
2624 a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
2626 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
2628 * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
2629 (x_ix86_target_flags_explicit): Remove.
2630 * config/i386/i386.c (ix86_function_specific_save): Do not copy
2631 x_ix86_target_flags_explicit.
2632 (ix86_function_specific_restore): Ditto.
2634 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
2635 H.J. Lu <hongjiu.lu@intel.com>
2638 * common/config/i386/i386-common.c
2639 (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
2640 (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
2641 MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
2642 * config/i386/i386.opt (ix86_target_flags): Add new Variable.
2643 (-mgeneral-regs-only): Add new option.
2644 * config/i386/i386.c (ix86_option_override_internal): Don't enable
2645 x87 instructions if only general registers are allowed.
2646 (ix86_target_string): Add ix86_flags argument. Handle additional
2647 flags options through ix86_flags argument. Update all callers.
2648 * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
2650 2016-05-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2652 PR rtl-optimization/66940
2653 * ifcvt.c (noce_get_alt_condition): Check that incrementing or
2654 decrementing desired_val will not overflow before performing these
2657 2016-05-25 Ilya Verbin <ilya.verbin@intel.com>
2659 * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
2660 V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
2661 * config/i386/i386.c (enum ix86_builtins): Add
2662 IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
2663 IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
2664 IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
2665 IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
2666 IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
2667 IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
2668 (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
2669 __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
2670 __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
2671 __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
2672 __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
2673 __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
2674 Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
2675 __builtin_ia32_cvtps2dq512_mask.
2676 (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
2677 V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
2678 (ix86_builtin_vectorized_function): Handle builtins mentioned above.
2679 * config/i386/sse.md
2680 (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
2682 (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
2683 (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
2685 (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
2686 (avx512f_vec_pack_sfix_v8df): New define_expand.
2687 (avx512f_roundpd512): Rename to ...
2688 (avx512f_round<castmode>512): ... this. Change iterator.
2689 (avx512f_roundps512_sfix): New define_expand.
2690 (round<mode>2_sfix): Change iterator.
2692 2016-05-25 Nick Clifton <nickc@redhat.com>
2694 * config/msp430/msp430.c (msp430_attr): Produce an error if a
2695 static interrupt handler is detected.
2696 * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
2697 default linker script.
2698 * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
2699 the low part of a symbolic pointer.
2701 2016-05-25 Richard Biener <rguenther@suse.de>
2703 PR tree-optimization/71261
2704 * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
2705 interesting stmt instead of immediate uses when looking
2706 for the use operand to replace.
2708 2016-05-25 Martin Liska <mliska@suse.cz>
2710 * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
2712 2016-05-25 Richard Biener <rguenther@suse.de>
2714 PR tree-optimization/71264
2715 * tree-vect-stmts.c (vect_init_vector): Properly deal with
2718 2016-05-25 Martin Liska <mliska@suse.cz>
2720 PR tree-optimization/71239
2721 * tree.c (array_at_struct_end_p): Do not call operand_equal_p
2722 if DECL_SIZE is NULL.
2724 2016-05-25 Richard Biener <rguenther@suse.de>
2726 * timevar.def (TV_TREE_LOOP_IFCVT): Add.
2727 * tree-if-conv.c (pass_data_if_conversion): Use it.
2729 2016-05-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
2731 * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
2732 * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
2733 * varpool.c (varpool_node::get_availability): Likewise.
2735 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2737 * config/rs6000/altivec.md (VNEG iterator): New iterator for
2738 VNEGW/VNEGD instructions.
2739 (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
2740 (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
2741 support for ISA 3.0 VNEGW/VNEGD instructions.
2743 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2745 * gimplify.c (omp_notice_variable): Use zero-length arrays for data
2746 pointers inside OACC_DATA regions.
2747 (gimplify_scan_omp_clauses): Prune firstprivate clause associated
2748 with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
2749 (gimplify_adjust_omp_clauses): Fix typo in comment.
2751 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2753 * config/rs6000/altivec.md (VParity): New mode iterator for vector
2754 parity built-in functions.
2755 (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
2757 (p9v_parity<mode>2): Likewise.
2758 * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
2760 (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
2761 (parity<mode>2): ISA 3.0 expander for vector parity.
2762 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
2764 (BU_P9_64BIT_MISC_0): Likewise.
2765 (BU_P9_MISC_0): Likewise.
2766 (BU_P9V_AV_1): Likewise.
2767 (BU_P9V_AV_2): Likewise.
2768 (BU_P9V_AV_3): Likewise.
2769 (BU_P9V_AV_P): Likewise.
2770 (BU_P9V_VSX_1): Likewise.
2771 (BU_P9V_OVERLOAD_1): Likewise.
2772 (BU_P9V_OVERLOAD_2): Likewise.
2773 (BU_P9V_OVERLOAD_3): Likewise.
2774 (VCTZB): Add vector count trailing zeros support.
2778 (VPRTYBD): Add vector parity support.
2779 (VPRTYBQ): Likewise.
2780 (VPRTYBW): Likewise.
2781 (VCTZ): Add overloaded vector count trailing zeros support.
2782 (VPRTYB): Add overloaded vector parity support.
2783 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2784 overloaded vector count trailing zeros and parity instructions.
2785 * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
2786 vector parity support.
2787 * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
2788 trailing zeros support.
2789 (vec_cntlz): Likewise.
2790 (vec_vctzb): Likewise.
2791 (vec_vctzd): Likewise.
2792 (vec_vctzh): Likewise.
2793 (vec_vctzw): Likewise.
2794 (vec_vprtyb): Add ISA 3.0 vector parity support.
2795 (vec_vprtybd): Likewise.
2796 (vec_vprtybw): Likewise.
2797 (vec_vprtybq): Likewise.
2798 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2799 the ISA 3.0 vector count trailing zeros and vector parity built-in
2802 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
2804 * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
2805 when there is stmt_to_insert.
2807 2016-05-24 Martin Sebor <msebor@redhat.com>
2810 * tree.h (complete_or_array_type_p): New inline function.
2812 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2814 * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
2815 * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
2816 rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
2818 * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
2819 Limit 1st alternative to noavx isa, split 2nd alternative into one
2820 noavx and one avx alternative, use *x and Bm in the former and
2821 x and m in the latter.
2823 * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
2824 of sse4 for the first alternative, drop %v from the template
2825 and d operand modifier. Split second alternative into one sse4_noavx
2826 and one avx alternative, use *x instead of *v in the former and v
2827 instead of *v in the latter.
2828 (*sse4_1_extractps): Use noavx isa instead of * for the first
2829 alternative, drop %v from the template. Split second alternative into
2830 one noavx and one avx alternative, use *x instead of *v in the
2831 former and v instead of *v in the latter.
2832 (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
2833 with noavx and the last one with avx.
2834 (sse4_1_phminposuw): Guard first alternative with noavx isa,
2835 split the second one into one noavx and one avx alternative,
2836 use *x and Bm in the former and x and m in the latter one.
2837 (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
2840 * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
2841 first two alternatives to noavx, use *x instead of *v in the second
2842 one, add avx alternative without *.
2843 (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
2844 sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
2845 sse4_1_<code>v2siv2di2<mask_name>): Likewise.
2847 2016-05-24 Jeff Law <law@redhat.com>
2849 * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
2850 New function, extracted from...
2851 (fsm_find_control_statement_thread_paths): Here. Use the new function.
2852 Allow simple copies and constant initializations in the SSA chain.
2854 2016-05-24 Marek Polacek <polacek@redhat.com>
2857 * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
2860 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2863 * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
2864 SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
2865 SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP. Add
2866 SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
2867 SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
2869 2016-05-24 Richard Biener <rguenther@suse.de>
2871 PR tree-optimization/71240
2872 * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
2875 2016-05-24 Richard Biener <rguenther@suse.de>
2877 PR tree-optimization/71230
2878 * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
2880 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
2882 * tree-vectorizer.h (vectorizable_comparison): Delete.
2883 * tree-vect-loop.c (vectorizable_reduction): Remove redundant
2884 PURE_SLP_STMT check.
2885 * tree-vect-stmts.c (vectorizable_call): Likewise.
2886 (vectorizable_simd_clone_call): Likewise.
2887 (vectorizable_conversion): Likewise.
2888 (vectorizable_assignment): Likewise.
2889 (vectorizable_shift): Likewise.
2890 (vectorizable_operation): Likewise.
2891 (vectorizable_load): Likewise.
2892 (vectorizable_condition): Likewise.
2893 (vectorizable_store): Likewise. Assert that we don't have
2895 (vectorizable_comparison): Make static. Remove redundant
2896 PURE_SLP_STMT check.
2897 (vect_transform_stmt): Assert that we always have an slp_node
2900 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2902 * config/arm/neon.md (ashldi3_neon): Replace comparison of INTVAL of
2903 operands[2] against 1 with comparison against CONST1_RTX.
2904 (<shift>di3_neon): Likewise.
2905 * config/arm/predicates.md (const0_operand): Replace with comparison
2908 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2910 * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
2911 operands[2] against 1 with comparison against CONST1_RTX.
2912 (ashrdi3): Likewise.
2913 (lshrdi3): Likewise.
2914 (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
2916 (ashrsi3): Likewise.
2917 (lshrsi3): Likewise.
2918 (rotrsi3): Likewise.
2919 (define_split above *compareqi_eq0): Likewise.
2920 (define_split above "prologue"): Likewise.
2921 * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
2922 * config/arm/predicates.md (shift_operator): Likewise.
2923 (shift_nomul_operator): Likewise.
2924 (sat_shift_operator): Likewise.
2925 (thumb1_cmp_operand): Likewise.
2926 (const_neon_scalar_shift_amount_operand): Replace manual range
2927 check with IN_RANGE.
2928 * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
2929 Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
2931 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2933 * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
2934 with HOST_WIDE_INT_1.
2936 * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
2937 1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
2938 (arm_canonicalize_comparison): Likewise.
2939 (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
2941 (thumb1_size_rtx_costs): Likewise.
2942 (vfp_const_double_index): Replace cast of 1 to unsigned
2943 HOST_WIDE_INT with HOST_WIDE_INT_1U.
2944 (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
2946 (arm_asan_shadow_offset): Replace cast of 1 to unsigned
2947 HOST_WIDE_INT with HOST_WIDE_INT_1U.
2948 * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
2949 HOST_WIDE_INT with HOST_WIDE_INT_1.
2951 2016-05-24 Marek Polacek <polacek@redhat.com>
2953 * tree-cfg.h (should_remove_lhs_p): New predicate.
2954 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
2955 * gimplify.c (gimplify_modify_expr): Likewise.
2956 * tree-cfg.c (verify_gimple_call): Likewise.
2957 * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
2958 * gimple-fold.c: Include "tree-cfg.h".
2959 (gimple_fold_call): Use should_remove_lhs_p.
2961 2016-05-24 Richard Biener <rguenther@suse.de>
2963 PR tree-optimization/71253
2964 * cfganal.h (control_dependences): Make robust against edge
2966 (control_dependences::control_dependences): Remove edge_list argument.
2967 (control_dependences::get_edge): Remove.
2968 (control_dependences::get_edge_src): Add.
2969 (control_dependences::get_edge_dest): Likewise.
2970 (control_dependences::m_el): Make a vector of edge src/dest index.
2971 * cfganal.c (control_dependences::find_control_dependence): Adjust.
2972 (control_dependences::control_dependences): Likewise.
2973 (control_dependences::~control_dependence): Likewise.
2974 (control_dependences::get_edge): Remove.
2975 (control_dependences::get_edge_src): Add.
2976 (control_dependences::get_edge_dest): Likewise.
2977 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
2979 (perform_tree_ssa_dce): Adjust.
2980 * tree-loop-distribution.c (create_edge_for_control_dependence): Use
2982 (pass_loop_distribution::execute): Adjust. Do loop destroying
2983 conditional on changed.
2985 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2988 * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
2989 return. Reindent transformation comment and mention the ARM state
2992 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
2995 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
2996 after build_and_add_sum creates new use stmt.
2998 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
3000 * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3001 load_lanes/grouped_load classification comes first. Don't check
3002 whether the vectorization factor is a multiple of the group size
3005 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
3007 * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3008 GROUP_GAP for single-element interleaving.
3009 * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3012 2016-05-24 Richard Biener <rguenther@suse.de>
3016 * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3017 bases which are accessed with non-invariant indices.
3018 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3019 constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3021 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
3024 * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3025 (add_to_ops_vec): Add stmt_to_insert.
3026 (add_repeat_to_ops_vec): Init stmt_to_insert.
3027 (insert_stmt_before_use): New.
3028 (transform_add_to_multiply): Remove mult_stmt insertion and add it
3030 (get_ops): Init stmt_to_insert.
3031 (maybe_optimize_range_tests): Likewise.
3032 (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3033 (rewrite_expr_tree_parallel): Likewise.
3034 (reassociate_bb): Likewise.
3036 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3039 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3040 ISA 3.0 xxperm fusion alternative.
3041 (altivec_vperm_v8hiv16qi): Likewise.
3042 (altivec_vperm_<mode>_uns_internal): Likewise.
3043 (vperm_v8hiv4si): Likewise.
3044 (vperm_v16qiv8hi): Likewise.
3046 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3047 Kelvin Nilsen <kelvin@gcc.gnu.org>
3049 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3050 vpermr/xxpermr on ISA 3.0.
3051 (altivec_expand_vec_perm_le): Likewise.
3052 * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3053 (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3056 2016-05-23 Uros Bizjak <ubizjak@gmail.com>
3058 * config/i386/i386.h (IS_STACK_MODE): Enable for
3059 TARGET_MIX_SSE_I387. Rewrite using X87_FLOAT_MODE_P and
3060 SSE_FLOAT_MODE_P macros.
3061 * config/i386/i386.c (ix86_preferred_reload_class): Use
3062 IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3063 Cleanup regclass processing for CONST_DOUBLE_P.
3064 (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3065 (ix86_rtx_costs): Remove redundant TARGET_80387 check
3066 with IS_STACK_MODE macro.
3067 * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3069 (*movdf_internal): Use IS_STACK_MODE macro.
3070 (*movsf_internal): Ditto.
3072 2016-05-23 Marc Glisse <marc.glisse@inria.fr>
3074 * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3075 ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3077 2016-05-23 Jeff Law <law@redhat.com>
3079 * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3081 (fsm_find_control_statement_thread_paths): Call it.
3083 2016-05-23 Martin Jambor <mjambor@suse.cz>
3086 * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3087 from_global_constant if t is not NULL.
3089 2016-05-23 Marek Polacek <polacek@redhat.com>
3092 * common.opt (Wswitch-unreachable): New option.
3093 * doc/invoke.texi: Document -Wswitch-unreachable.
3094 * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3097 2016-05-23 Bin Cheng <bin.cheng@arm.com>
3099 * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3100 TMR_INDEX is non-NULL.
3102 2016-05-23 Richard Biener <rguenther@suse.de>
3104 PR tree-optimization/71230
3105 * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3106 (try_special_add_to_ops): ... here. Always test for single-use.
3108 2016-05-23 Martin Jambor <mjambor@suse.cz>
3110 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3111 default block if a PHI node in the original one would be resized.
3113 2016-05-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3115 PR tree-optimization/58135
3116 * tree-vect-slp.c: When group size is not multiple
3117 of vector size, allow splitting of store group at
3120 2016-05-23 Christophe Lyon <christophe.lyon@linaro.org>
3122 * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3124 2016-05-22 Jakub Jelinek <jakub@redhat.com>
3126 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3127 vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3128 condition. For !TARGET_AVX512DQ, emit 32x4 instruction instead
3131 * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3132 vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3133 v constraint instead of x and vinserti32x4 insn.
3135 * config/i386/sse.md (i128vldq): New mode iterator.
3136 (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3137 avx512dq and avx512vl alternatives.
3139 * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3140 constraint, use maybe_evex prefix instead of vex.
3141 (vec_dupv4sf): Use v constraint instead of x for output
3142 operand except for noavx alternative, use Yv constraint
3143 instead of x for input. Use maybe_evex prefix instead of vex.
3144 (*vec_dupv4si): Likewise.
3145 (*vec_dupv2di): Likewise.
3147 2016-05-22 Kugan Vivekanandarajah <kuganv@linaro.org>
3150 * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3151 (linearize_expr_tree): Call try_special_add_to_ops.
3152 (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3154 2016-05-21 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3156 * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3157 to computed stack_usage.
3159 2016-05-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
3162 * config/avr/avr.md (define_expand "mov<mode>"): If the source
3163 operand is subreg (symbol_ref) then move the symbol ref to register.
3165 2016-05-21 Jan Hubicka <hubicka@ucw.cz>
3167 * tree.c (array_at_struct_end_p): Look through MEM_REF.
3169 2016-05-21 Kugan Vivekanandarajah <kuganv@linaro.org>
3172 * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3175 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
3177 * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3178 ranges by calling get_single_symbol and tidy up. Look more closely
3179 into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3181 2016-05-20 Jeff Law <law@redhat.com>
3183 * bitmap.c (bitmap_find_bit): Remove useless test.
3185 2016-05-20 Segher Boessenkool <segher@kernel.crashing.org>
3187 * function.c (thread_prologue_and_epilogue_insns): Commit the
3188 insertion of the epilogue.
3190 2016-05-20 Martin Jambor <mjambor@suse.cz>
3192 PR tree-optimization/70884
3193 * tree-sra.c (initialize_constant_pool_replacements): Do not check
3194 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3195 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3196 of constant pool data as a reason for scalarization.
3198 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
3200 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3201 for naked functions.
3202 (thumb1_expand_prologue): Likewise.
3204 2016-05-20 Nathan Sidwell <nathan@acm.org>
3206 * config/nvptx/nptx.c (nvptx_option_override): Only set
3207 flag_toplevel_reorder, if not explicitly specified. Set
3208 flag_no_common, unless explicitly specified.
3210 2016-05-20 David Malcolm <dmalcolm@redhat.com>
3212 * calls.c (can_implement_as_sibling_call_p): Mark param
3213 reg_parm_stack_space with ATTRIBUTE_UNUSED.
3215 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
3217 * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
3218 Use IS_STACK_MODE when calculating cost of standard 80387 constants.
3219 Fallthru to CONST_VECTOR case to calculate cost of standard SSE
3221 <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
3222 (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
3225 2016-05-20 Cesar Philippidis <cesar@codesourcery.com>
3227 * config/nvptx/nvptx.md (sincossf3): New pattern.
3229 2016-05-20 David Malcolm <dmalcolm@redhat.com>
3231 * calls.c (maybe_complain_about_tail_call): New function.
3232 (initialize_argument_information): Call
3233 maybe_complain_about_tail_call when clearing *may_tailcall.
3234 (can_implement_as_sibling_call_p): Call
3235 maybe_complain_about_tail_call when returning false.
3236 (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
3237 ensure try_tail_call is set. Call maybe_complain_about_tail_call
3238 if tail-call optimization fails.
3239 * cfgexpand.c (expand_call_stmt): Initialize
3240 CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
3241 * gimple-pretty-print.c (dump_gimple_call): Dump
3242 gimple_call_must_tail_p.
3243 * gimple.c (gimple_build_call_from_tree): Call
3244 gimple_call_set_must_tail with the value of
3245 CALL_EXPR_MUST_TAIL_CALL.
3246 * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
3247 (gimple_call_set_must_tail): New function.
3248 (gimple_call_must_tail_p): New function.
3249 * print-tree.c (print_node): Update printing of TREE_STATIC
3250 to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
3251 * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
3252 trailing comment listing applicable flags.
3253 * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
3255 2016-05-20 David Malcolm <dmalcolm@redhat.com>
3257 * calls.c (expand_call): Move "Rest of purposes for tail call
3258 optimizations to fail" to...
3259 (can_implement_as_sibling_call_p): ...this new function, and
3260 split into multiple "if" statements.
3262 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
3264 * cfgloop.h (expected_loop_iterations_unbounded,
3265 expected_loop_iterations): Unconstify.
3266 * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
3267 profile with known upper bound; return 3 when profile is absent.
3268 (expected_loop_iterations): Update.
3270 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
3272 * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
3273 and get_max_loop_iterations_int.
3275 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
3277 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
3278 realistic upper bounds here.
3280 2016-05-20 Jakub Jelinek <jakub@redhat.com>
3283 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3284 calls if the LHS is variable length or has addressable type.
3285 If targets[0]->decl is a noreturn call with void return type and
3286 zero arguments, adjust fntype and remove lhs in that case.
3288 2016-05-20 Marc Glisse <marc.glisse@inria.fr>
3290 PR tree-optimization/71079
3291 PR tree-optimization/71206
3292 * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
3294 2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
3296 * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
3297 (get_vec_alignment_for_array_decl): Likewise.
3298 (get_vec_alignment_for_record_decl): Likewise.
3299 (increase_alignment::execute): Move code to find alignment to
3300 get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
3301 (type_align_map): New hash_map.
3303 2016-05-20 Richard Guenther <rguenther@suse.de>
3305 PR tree-optimization/29756
3306 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
3307 * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
3308 * fold-const.c (operand_equal_p): Likewise.
3309 (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
3310 * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
3311 * tree-inline.c (estimate_operator_cost): Likewise.
3312 * tree-pretty-print.c (dump_generic_node): Likewise.
3313 * tree-ssa-operands.c (get_expr_operands): Likewise.
3314 * cfgexpand.c (expand_debug_expr): Likewise.
3315 * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
3316 * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
3317 * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
3318 * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
3319 vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
3320 (execute_update_addresses_taken): Do it.
3322 2016-05-20 Richard Biener <rguenther@suse.de>
3324 PR tree-optimization/71185
3325 * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
3326 register operations.
3328 2016-05-20 Richard Biener <rguenther@suse.de>
3330 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
3331 gimple_seq_add_seq_without_update.
3332 (release_bb_predicate): Assert we have no operands to free.
3333 (if_convertible_loop_p_1): Calculate post dominators later.
3334 Do not free BB predicates here.
3335 (combine_blocks): Do not recompute BB predicates.
3336 (version_loop_for_if_conversion): Save BB predicates around
3339 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
3341 * function.c (make_epilogue_seq): Remove epilogue_end parameter.
3342 (thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
3343 code. Ignore sibcalls on EDGE_IGNORE edges.
3344 * shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
3345 on edges for sibcalls that run without prologue. The rest of the
3346 function is combined from...
3347 (fix_fake_fallthrough_edge): ... this, and ...
3348 (try_shrink_wrapping): ... a part of this. Remove the bb_with
3349 function argument, make it a local variable.
3351 2016-05-19 Sandra Loosemore <sandra@codesourcery.com>
3353 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
3354 --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
3355 for 32-bit mode and SEH for 64-bit.
3356 * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
3357 TARGET_64BIT_DEFAULT.
3359 2016-05-19 Ryan Burn <contact@rnburn.com>
3361 * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
3362 * gengtype.c (open_base_files): Add cilk.h to ifiles.
3364 2016-05-19 Uros Bizjak <ubizjak@gmail.com>
3366 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3367 force pending loads from memory.
3369 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
3371 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3372 (UNSPEC_DARN_32): New unspec constant.
3373 (UNSPEC_DARN_RAW): New unspec constant.
3374 (darn_32): New instruction.
3375 (darn_raw): New instruction.
3376 (darn): New instruction.
3377 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3378 support and documentation for this macro.
3379 (BU_P9_MISC_1): New macro definition.
3380 (BU_P9_64BIT_MISC_0): New macro definition.
3381 (BU_P9_MISC_0): New macro definition.
3382 (darn_32): New builtin definition.
3383 (darn_raw): New builtin definition.
3384 (darn): New builtin definition.
3385 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3386 RS6000_BUILTIN_0 directives to surround each occurrence of
3387 #include "rs6000-builtin.def".
3388 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3389 RS6000_BTM_64BIT flags to the returned mask, depending on
3391 (def_builtin): Correct an error in the assignments made to the
3392 debugging variable attr_string.
3393 (rs6000_expand_builtin): Add support for no-operand built-in
3395 (builtin_function_type): Remove fatal_error assertion that is no
3397 (rs6000_common_init_builtins): Add support for no-operand built-in
3399 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3401 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3403 (RS6000_BTM_64BIT): New macro definition.
3404 * doc/extend.texi: Document __builtin_darn (void),
3405 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3408 2016-05-19 Jan Hubicka <hubicka@ucw.cz>
3410 * tree-vect-loop.c (vect_analyze_loop_2): Use also
3411 max_loop_iterations_int.
3413 2016-05-19 Marek Polacek <polacek@redhat.com>
3415 PR tree-optimization/71031
3416 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3417 condition and adjust the code a bit.
3419 2016-05-19 Martin Liska <mliska@suse.cz>
3421 * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
3422 auto_vec instead of vec.
3424 2016-05-19 Martin Liska <mliska@suse.cz>
3426 * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
3428 2016-05-19 Martin Liska <mliska@suse.cz>
3430 * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
3432 2016-05-19 Martin Liska <mliska@suse.cz>
3434 * ipa-pure-const.c (set_function_state): Remove an existing
3436 (remove_node_data): Do not free it as it's released
3437 in set_function_state.
3439 2016-05-19 Martin Liska <mliska@suse.cz>
3441 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
3444 2016-05-19 Martin Liska <mliska@suse.cz>
3446 * omp-simd-clone.c (simd_clone_adjust): Release vector.
3448 2016-05-19 Martin Liska <mliska@suse.cz>
3450 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
3451 an auto_vec instead of re-creating it.
3453 2016-05-19 Martin Liska <mliska@suse.cz>
3455 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
3456 auto_vec instead of vec.
3458 2016-05-19 Martin Liska <mliska@suse.cz>
3460 * lto-section-in.c (lto_get_section_data): Call
3461 lto_check_version with additional argument.
3462 * lto-streamer.c (lto_check_version): Add new argument.
3463 * lto-streamer.h (lto_check_version): Likewise.
3465 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3467 * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
3468 Don't add cost of inner memory when handling sign-extended loads.
3470 2016-05-19 Ilya Enkovich <ilya.enkovich@intel.com>
3472 PR rtl-optimization/71148
3473 * cse.c (cse_main): Free dominance info.
3474 (rest_of_handle_cse): Don't free dominance info.
3475 (rest_of_handle_cse2): Likewise.
3476 (rest_of_handle_cse_after_global_opts): Likewise.
3478 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3481 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3482 NULL_TREE early if NEON is not available. Remove now redundant check
3483 in ARM_CHECK_BUILTIN_MODE.
3485 2016-05-19 Maxim Ostapenko <m.ostapenko@samsung.com>
3488 * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
3489 builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
3490 * doc/cpp.texi: Document new macros.
3492 2016-05-19 Bin Cheng <bin.cheng@arm.com>
3494 PR tree-optimization/69848
3495 * tree-vect-loop.c (vectorizable_reduction): Don't factor
3496 comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
3498 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
3500 * function.c (thread_prologue_and_epilogue_insn): Move the
3501 "goto epilogue_done" one block later.
3503 2016-05-19 Richard Biener <rguenther@suse.de>
3505 PR tree-optimization/70729
3506 * passes.def: Move LIM pass before PRE. Remove no longer
3507 required copyprop and move first DCE out of the loop pipeline.
3509 2016-05-18 David Malcolm <dmalcolm@redhat.com>
3512 * Makefile.in (GCC_OBJS): Move spellcheck.o to...
3513 (OBJS-libcommon-target): ...here.
3514 * opts-common.c: Include spellcheck.h.
3515 (cmdline_handle_error): Build a vec of valid options and use it
3516 to suggest provide hints for misspelled arguments.
3518 2016-05-18 Jakub Jelinek <jakub@redhat.com>
3521 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3522 lhs if it has TREE_ADDRESSABLE type.
3524 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
3527 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3528 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3530 2016-05-18 Martin Jambor <mjambor@suse.cz>
3533 * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
3534 input for NOP_EXPR pass-through functions.
3535 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
3536 aggregate global constant VAR_DECLs in constant jump functions.
3538 2016-05-18 Martin Jambor <mjambor@suse.cz>
3541 * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
3542 from TREE_READONLY parameters.
3544 2016-05-18 Martin Jambor <mjambor@suse.cz>
3547 * cgraph.h (cgraph_indirect_call_info): New field
3548 guaranteed_unmodified.
3549 * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
3550 to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3552 * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
3553 pass the parameter value to ipa_find_agg_cst_for_param.
3554 * ipa-prop.c (ipa_load_from_parm_agg): New parameter
3555 guaranteed_unmodified, store AA results there instead of bailing out
3557 (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
3558 (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
3559 (find_constructor_constant_at_offset): New function.
3560 (ipa_find_agg_cst_from_init): Likewise.
3561 (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
3562 static initializers of contants, report back through a new paameter
3563 from_global_constant if that was the case.
3564 (try_make_edge_direct_simple_call): Also pass parameter value to
3565 ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3567 (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
3568 (ipa_read_indirect_edge_info): Likewise.
3569 * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
3570 (ipa_load_from_parm_agg): Likewise.
3572 2016-05-18 Jiong Wang <jiong.wang@arm.com>
3574 PR rtl-optimization/71150
3575 * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
3578 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
3581 * config/rs6000/constraints.md (wE constraint): New constraint
3582 for a vector constant that can be loaded with XXSPLTIB.
3583 (wM constraint): New constraint for a vector constant of a 1's.
3584 (wS constraint): New constraint for a vector constant that can be
3585 loaded with XXSPLTIB and a vector sign extend instruction.
3586 * config/rs6000/predicates.md (xxspltib_constant_split): New
3587 predicates for wE/wS constraints.
3588 (xxspltib_constant_nosplit): Likewise.
3589 (easy_vector_constant): Add support for constants that can be
3590 loaded via XXSPLTIB.
3591 (all_ones_constant): New predicate for vector constant with all
3593 (splat_input_operand): Add support for ISA 3.0 word splat operations.
3594 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
3595 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
3596 instruction and possibly with a sign extension.
3597 (output_vec_const_move): Add support for XXSPLTIB. If we are
3598 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
3599 instead of XXLXOR/XXLORC.
3600 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
3602 (rs6000_legitimize_reload_address): Likewise.
3603 (rs6000_output_move_128bit): Use output_vec_const_move to emit
3605 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
3606 combine VSX_M and VSX_M2 into one iterator.
3608 (VSINT_84): New iterators for loading constants with XXSPLTIB.
3609 (VSINT_842): Likewise.
3610 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
3611 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
3612 XXSPLTIB instruction.
3613 (xxspltib_<mode>_nosplit): Likewise.
3614 (xxspltib_<mode>_split): New insn to load up constants with
3615 XXSPLTIB and a sign extend instruction.
3616 (vsx_mov<mode>): Replace single move that handled all vector types
3617 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
3618 moves (when -mvsx-timode is in effect) into the main vector
3619 moves. Eliminate separate moves for <VSr> <VSa>, where the
3620 preferred register class (<VSr>) is listed first, and the
3621 secondary register class (<VSa>) is listed second with a '?' to
3622 discourage use. Prefer loading 0/-1 in any VSX register for ISA
3623 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
3624 that if the register was involved in a slow operation, the
3625 clear/set operation does not wait for the slow operation to
3626 finish. Adjust the length attributes for 32-bit mode. Use
3627 rs6000_output_move_128bit and drop the use of the string
3628 instructions for 32-bit movti when -mvsx-timode is in effect. Use
3629 spacing so that the alternatives and attributes don't generate
3630 long lines, and put things in columns, so that it is easier to
3631 match up the operands and attributes with the insn alternatives.
3632 (vsx_mov<mode>_64bit): Likewise.
3633 (vsx_mov<mode>_32bit): Likewise.
3634 (vsx_movti_64bit): Fold movti into normal vector moves.
3635 (vsx_movti_32bit): Likewise.
3636 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
3638 (vsx_splat_v4si_internal): Likewise.
3639 (vsx_splat_v4sf_internal): Likewise.
3640 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
3641 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
3642 extend vector elements.
3643 (vsx_sign_extend_hi_<mode>): Likewise.
3644 (vsx_sign_extend_si_v2di): Likewise.
3645 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
3647 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
3648 constraints. Add trailing period to wL documentation.
3650 2016-05-18 Richard Sandiford <richard.sandiford@arm.com>
3653 * tree-dfa.h (replace_abnormal_ssa_names): Declare.
3654 * tree-dfa.c (replace_abnormal_ssa_names): New function.
3655 * tree-call-cdce.c: Include tree-dfa.h.
3656 (can_guard_call_p): New function, extracted from...
3657 (can_use_internal_fn): ...here.
3658 (shrink_wrap_one_built_in_call_with_conds): Remove failure path
3660 (shrink_wrap_one_built_in_call): Likewise.
3661 (use_internal_fn): Likewise.
3662 (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
3663 and return void. Call replace_abnormal_ssa_names.
3664 (pass_call_cdce::execute): Check can_guard_call_p during the
3665 initial walk. Assume shrink_wrap_conditional_dead_built_in_calls
3666 will always change something.
3668 2016-05-18 Martin Jambor <mjambor@suse.cz>
3671 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
3672 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
3674 2016-05-18 Martin Jambor <mjambor@suse.cz>
3677 * ipa-inline.h (condition): New field size.
3678 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
3679 for comaprison and store it into the new condition.
3680 (evaluate_conditions_for_known_args): Use condition size to check
3681 access sizes for all but CHANGED conditions.
3682 (unmodified_parm_1): New parameter size_p, store access size into it.
3683 (unmodified_parm): Likewise.
3684 (unmodified_parm_or_parm_agg_item): Likewise.
3685 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
3686 (set_cond_stmt_execution_predicate): Extract access sizes and store
3688 (set_switch_stmt_execution_predicate): Likewise.
3689 (will_be_nonconstant_expr_predicate): Likewise.
3690 (will_be_nonconstant_predicate): Likewise.
3691 (inline_read_section): Stream condition size.
3692 (inline_write_summary): Likewise.
3694 2016-05-18 Richard Biener <rguenther@suse.de>
3696 * tree-ssa-loop-im.c (determine_max_movement): Properly add
3697 condition cost to PHI cost instead of total_cost.
3699 2016-05-18 Martin Liska <mliska@suse.cz>
3702 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
3705 2016-05-18 Richard Biener <rguenther@suse.de>
3707 * lto-streamer.h (LTO_major_version): Bump to 6.
3709 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
3711 * function.c (make_split_prologue_seq, make_prologue_seq,
3712 make_epilogue_seq): New functions, factored out from...
3713 (thread_prologue_and_epilogue_insns): Here.
3715 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
3717 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
3718 cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
3719 of before. Add a comment.
3721 2016-05-18 Bin Cheng <bin.cheng@arm.com>
3723 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
3724 expression pointer, not pointer to the pointer.
3726 2016-05-18 Jakub Jelinek <jakub@redhat.com>
3728 * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
3729 (avx2_pbroadcast<mode>): Add another alternative with v instead
3730 of x constraints in it, using <pbroadcast_evex_isa> isa.
3731 (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
3733 * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
3734 constraint x instead of v in second alternative, add avx512bw
3737 * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
3738 constraint x instead of v in second alternative, add avx512bw
3741 * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
3742 constraint x instead of v in second alternative, add avx512bw
3745 * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
3746 avx512bw alternative.
3748 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
3750 * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
3752 (define_insn "*andnottf3"): Ditto.
3753 (define_insn "*<code><mode>3"/any_logic): Ditto.
3754 (define_insn "*<code>tf3"/any_logic): Ditto.
3755 (define_insn "sse2_storehpd"): Use Yv constraint for scalar
3756 operand to block AVX-512VL insn variant emit when it is not enabled.
3758 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
3760 * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
3761 constraint fot SF mode.
3763 2016-05-18 Petr Murzin <petr.murzin@intel.com>
3764 Kirill Yukhin <kirill.yukhin@intel.com>
3766 * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
3768 (define_insn "rsqrt14<mode>"): Ditto.
3769 (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
3770 (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
3771 (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
3772 (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
3773 (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
3775 (define_insn "*avx512f_gatherdi<mode>"): Ditto.
3776 (define_insn "*avx512f_scatterdi<mode>"): Ditto.
3777 * config/i386/i386.c (ix86_print_operand): Expand check for size
3778 override codes for Intel syntax.
3780 2016-05-18 Richard Biener <rguenther@suse.de>
3782 PR tree-optimization/71168
3783 * tree-loop-distribution.c (distribute_loop): Move *destroy_p
3784 initialization earlier.
3786 2016-05-18 James Greenhalgh <james.greenhalgh@arm.com>
3788 * config/aarch64/aarch64-simd.md
3789 (aarch64_reduc_plus_internal<mode>): Rename to...
3790 (reduc_plus_scal): ...This, and remove previous implementation.
3792 2016-05-18 Richard Biener <rguenther@suse.de>
3794 * passes.def: Put late dse and cd_dce in canonical order.
3796 2016-05-17 Jan Hubicka <hubicka@ucw.cz>
3798 * ipa-inline-transform.c (preserve_function_body_p): Look for
3799 first non-thunk clone.
3800 (save_function_body): Save into first non-thunk.
3801 * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
3803 (lto_output_node): Inline thunks don't need body in every
3805 * lto-streamer-in.c: Do not fixup thunk clones.
3806 * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
3808 * tree-inline.c (copy_bb): Be prepared for target node to be new after
3811 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
3814 * tree-ssa-reassoc.c (transform_add_to_multiply): New.
3815 (reassociate_bb): Call transform_add_to_multiply.
3817 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
3819 * config/aarch64/aarch64.c (all_extensions): Removed unused
3822 2016-05-17 Nathan Sidwell <nathan@acm.org>
3824 * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
3825 (TARGET_FUNCTION_ARG_BOUNDARY): Override.
3827 2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
3829 PR tree-optimization/54579
3831 * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
3833 2016-05-17 Marek Polacek <polacek@redhat.com>
3836 * tree-inline.c (expand_call_inline): Call
3837 maybe_remove_unused_call_args.
3839 2016-05-17 Jim Wilson <jim.wilson@linaro.org>
3841 * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
3842 * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
3843 * doc/md.texi (fmin@var{m}3): Likewise.
3845 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
3847 * match.pd (X & C): New transformation.
3849 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
3851 * match.pd (~X & Y): New transformation.
3853 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
3855 * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
3856 information for new SSA_NAME.
3857 (simplify_conversion_using_ranges): Get range through get_range_info
3858 instead of get_value_range.
3860 2016-05-17 Jiong Wang <jiong.wang@arm.com>
3862 * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
3863 Remove inline assembly.
3864 (vmvn_s16): Likewise.
3865 (vmvn_s32): Likewise.
3866 (vmvn_u8): Likewise.
3867 (vmvn_u16): Likewise.
3868 (vmvn_u32): Likewise.
3869 (vmvnq_s8): Likewise.
3870 (vmvnq_s16): Likewise.
3871 (vmvnq_s32): Likewise.
3872 (vmvnq_u8): Likewise.
3873 (vmvnq_u16): Likewise.
3874 (vmvnq_u32): Likewise.
3875 (vmvn_p8): Likewise.
3876 (vmvnq_p16): Likewise.
3878 2016-05-17 Jiong Wang <jiong.wang@arm.com>
3880 * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
3882 (vmul_n_s16): Likewise.
3883 (vmul_n_s32): Likewise.
3884 (vmul_n_u16): Likewise.
3885 (vmul_n_u32): Likewise.
3886 (vmulq_n_f32): Likewise.
3887 (vmulq_n_f64): Likewise.
3888 (vmulq_n_s16): Likewise.
3889 (vmulq_n_s32): Likewise.
3890 (vmulq_n_u16): Likewise.
3891 (vmulq_n_u32): Likewise.
3893 2016-05-17 Jiong Wang <jiong.wang@arm.com>
3895 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
3896 to all supported modes. Rename to "*aarch64_mul3_elt_from_dup".
3898 2016-05-17 Jiong Wang <jiong.wang@arm.com>
3900 * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
3901 to *aarch64_fma4_elt_from_dup<mode>.
3902 (*aarch64_fnma4_elt_to_128df): Rename to
3903 *aarch64_fnma4_elt_from_dup<mode>.
3904 * config/aarch64/arm_neon.h (vfma_n_f64): New.
3905 (vfms_n_f32): Likewise.
3906 (vfms_n_f64): Likewise.
3907 (vfmsq_n_f32): Likewise.
3908 (vfmsq_n_f64): Likewise.
3910 2016-05-17 Gerald Pfeifer <gerald@pfeifer.com>
3912 * wide-int.h: Change fixed_wide_int_storage from class to struct.
3914 2016-05-17 Richard Biener <rguenther@suse.de>
3916 PR tree-optimization/71132
3917 * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
3918 Only add control dependences for blocks in the loop.
3919 (build_rdg): Adjust.
3920 (generate_code_for_partition): Return whether loop should
3921 be destroyed and delay that.
3922 (distribute_loop): Likewise.
3923 (pass_loop_distribution::execute): Record loops to be destroyed
3924 and perform delayed destroying of loops.
3926 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3929 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
3931 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
3933 * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
3935 2016-05-17 Ilya Enkovich <ilya.enkovich@intel.com>
3938 * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
3939 insertion point for instructions generated by validize_mem.
3941 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
3943 * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
3946 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
3948 * config/aarch64/aarch64.c
3949 (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
3950 rather than a macro.
3952 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
3954 * doc/invoke.texi (AArch64 Options): Various updates.
3956 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
3958 * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
3959 into instrumentation thunks.
3960 * cif-code.def (CIF_CHKP): New.
3962 2016-05-16 Uros Bizjak <ubizjak@gmail.com>
3964 * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
3966 2016-05-16 Martin Jambor <mjambor@suse.cz>
3968 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
3969 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
3971 2016-05-16 Marek Polacek <polacek@redhat.com>
3973 * gimple.c (maybe_remove_unused_call_args): Fix typos in the
3976 2016-05-16 Martin Jambor <mjambor@suse.cz>
3979 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
3980 the outlined kernel function.
3982 2016-05-16 Robert Suchanek <robert.suchanek@imgtec.com>
3984 * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
3985 (ISA_HAS_DLSA): Ditto.
3987 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
3989 * config/mips/m5100.md (m51_int_load): Update the latency to 2.
3991 2016-05-16 Nathan Sidwell <nathan@acm.org>
3993 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
3994 (nvptx_name_replacement): Restore. Add comment.
3995 (write_fn_proto, write_fn_proto_from_insn,
3996 nvptx_output_call_insn): Restore
3997 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
3999 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
4001 * config/aarch64/aarch64.md
4002 (add<mode>3_compareC_cconly_imm): Remove use of %w.
4003 (add<mode>3_compareC_imm): Likewise.
4004 (<optab>si3_uxtw): Split into register and immediate variants.
4005 (andsi3_compare0_uxtw): Likewise.
4006 (and<mode>3_compare0): Likewise.
4007 (and<mode>3nr_compare0): Likewise.
4008 (stack_protect_test_<mode>): Don't use %x for memory operands.
4010 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
4012 * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4014 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
4016 * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4017 Split integer shifts into shift_reg and bfm.
4018 (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4019 (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4020 (ror<mode>3_insn): Likewise.
4021 (<optab>si3_insn_uxtw): Likewise.
4022 (<optab><mode>3_insn): Change to rotate_imm.
4023 (extr<mode>5_insn_alt): Likewise.
4024 (extrsi5_insn_uxtw): Likewise.
4025 (extrsi5_insn_uxtw_alt): Likewise.
4027 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
4029 * doc/tm.texi: Regenerate.
4030 * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4031 (TARGET_INVALID_RETURN_TYPE): Remove.
4032 * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4033 TARGET_INVALID_RETURN_TYPE.
4034 * target.def (invalid_parameter_type): Remove.
4035 (invalid_return_type): Remove.
4037 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
4039 * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4040 on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4042 * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4044 (preserve_function_body_p): No need to preserve function body
4045 * cif-codes.def (CIF_THUNK): Remove.
4046 * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4048 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
4050 * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4052 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
4054 * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4057 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
4059 * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4060 (inline_small_functions): Do not look for function symbol when
4063 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
4065 * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4068 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
4069 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4070 Jiong Wang <jiong.wang@arm.com>
4072 * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4073 for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4074 Define __ARM_FP16_ARGS when appropriate.
4075 * config/arm/arm.c (arm_invalid_parameter_type): Remove
4077 (arm_invalid_return_type): Likewise.
4078 (TARGET_INVALID_PARAMETER_TYPE): Remove.
4079 (TARGET_INVALID_RETURN_TYPE): Remove.
4080 (aapcs_vfp_sub_candidate): Allow HFmode.
4081 (aapcs_vfp_allocate): Add comment. Support HFmode.
4082 (aapcs_vfp_allocate_return_reg): Likewise.
4083 (struct aapcs_cp_arg_layout): Slightly reword comments for
4084 is_return_candidate and allocate_return_reg.
4085 (output_mov_vfp): Update assert.
4086 (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4088 (arm_invalid_parameter_type): Remove.
4089 (amr_invalid_return_type): Remove.
4090 * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4091 * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4092 * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4094 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
4096 * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4097 * config/aarch64/arch64-protos.h
4098 (aarch64_legitimize_reload_address): Remove.
4099 * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4102 2016-05-16 Eric Botcazou <ebotcazou@adacore.com>
4104 * configure.ac: Add ACX_NONCANONICAL_HOST.
4105 * configure: Regenerate.
4106 * Makefile.in: Set host_noncanonical.
4108 2016-05-14 Uros Bizjak <ubizjak@gmail.com>
4111 * config/i386/i386.md (*movtf_internal): Before register allocation,
4112 do not allow FP constants for CM_MEDIUM memory model, allow only
4113 standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4114 (*movxf_internal): Ditto.
4115 (*movdf_internal): Ditto.
4116 (*movsf_internal): Ditto.
4118 2016-05-13 Segher Boessenkool <segher@kernel.crashing.org>
4120 PR rtl-optimization/67483
4121 * combine.c (make_compound_operation): Don't call extract_left_shift
4122 with negative shift amounts.
4124 2016-05-13 Jakub Jelinek <jakub@redhat.com>
4127 * fold-const.c (fold_checksum_tree): Allow modification
4128 of TYPE_ALIAS_SET during folding.
4130 * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4131 ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4132 (ix86_split_to_parts): Likewise. Fix up formatting.
4134 2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
4136 * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4137 unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4140 2016-05-13 Nathan Sidwell <nathan@acm.org>
4142 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4143 (nvptx_name_replacement): Delete.
4144 (write_fn_proto, write_fn_proto_from_insn,
4145 nvptx_output_call_insn): Remove nvptx_name_replacement call.
4146 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4147 * langhooks.c (add_builtin_funcction_common): Call
4148 targetm.mangle_decl_assembler_name.
4150 * config/nvptx/nvptx.c (write_fn_proto): Handle
4151 BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4153 2016-05-13 Martin Liska <mliska@suse.cz>
4155 * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4156 and PRIu64 in printf format.
4158 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4160 * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4163 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4165 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4166 Change --param max-completely-peeled-times to
4167 --param max-completely-peel-times in dump file printing.
4169 2016-05-13 Richard Biener <rguenther@suse.de>
4171 PR tree-optimization/42587
4172 * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4173 (find_bswap_or_nop_1): Likewise.
4174 (bswap_replace): Likewise.
4176 2016-05-13 Martin Liska <mliska@suse.cz>
4178 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4179 Initialize a variable with default value.
4181 2016-05-13 Martin Liska <mliska@suse.cz>
4183 * doc/invoke.texi: Enhance explanation of error recovery
4186 2016-05-13 Martin Liska <mliska@suse.cz>
4188 * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4189 (struct cost_pair): Change inv_expr_id (int) to inv_expr
4190 (iv_inv_expr_ent *).
4191 (struct iv_inv_expr_ent): Comment struct fields.
4192 (sort_iv_inv_expr_ent): New function.
4193 (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4194 (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4195 a hash_map between iv_inv_expr_ent and number of usages.
4196 (niter_for_exit): Fix coding style.
4197 (tree_ssa_iv_optimize_init): Use renamed variable.
4198 (determine_base_object): Fix coding style.
4199 (alloc_iv): Likewise.
4200 (find_interesting_uses_outside): Likewise.
4201 (add_candidate_1): Likewise.
4202 (add_standard_iv_candidates): Likewise.
4203 (set_group_iv_cost): Replace inv_expr_id with inv_expr.
4204 (prepare_decl_rtl): Fix coding style.
4205 (get_address_cost): Likewise.
4206 (get_shiftadd_cost): Likewise.
4207 (force_expr_to_var_cost): Likewise.
4208 (compare_aff_trees): Likewise.
4209 (get_expr_id): Restructure the function.
4210 (get_loop_invariant_expr_id): Renamed to
4211 get_loop_invariant_expr.
4212 (get_computation_cost_at): Replace usage of inv_expr_id with
4214 (get_computation_cost): Likewise.
4215 (determine_group_iv_cost_generic): Likewise.
4216 (determine_group_iv_cost_address): Likewise.
4217 (iv_period): Fix coding style.
4218 (iv_elimination_compare_lt): Likewise.
4219 (may_eliminate_iv): Likewise.
4220 (determine_group_iv_cost_cond): Replace usage of inv_expr_id with
4222 (determine_group_iv_costs): Dump invariant expressions.
4223 (iv_ca_recount_cost): Use the newly added hash_map.
4224 (iv_ca_set_remove_invariants): Fix coding style.
4225 (iv_ca_set_add_invariants): Fix coding style.
4226 (iv_ca_set_no_cp): Utilize the newly added hash_map for used
4228 (iv_ca_set_cp): Likewise.
4229 (iv_ca_new): Initialize the newly added hash_map and remove
4230 initialization of fields.
4231 (iv_ca_free): Delete the hash_map.
4232 (iv_ca_dump): Dump invariant expressions.
4233 (iv_ca_extend): Fix coding style.
4234 (try_add_cand_for): Likewise.
4235 (create_new_ivs): Dump information about # of avg iterations and
4236 # of used invariant expressions.
4237 (rewrite_use_compare): Fix coding style.
4238 (free_loop_data): Set default value for max_inv_expr_id.
4240 2016-05-13 Ilya Enkovich <ilya.enkovich@intel.com>
4242 * cse.c (rest_of_handle_cse): Use cleanup_cfg
4243 returned value cse_cfg_altered computation.
4244 (rest_of_handle_cse2): Likewise.
4245 (rest_of_handle_cse_after_global_opts): Likewise.
4247 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4250 * config/arm/arm.c (arm32_output_mi_thunk): New.
4251 (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
4252 to split Thumb1 vs TARGET_32BIT functionality.
4253 (arm_thumb1_mi_thunk): New.
4255 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4257 * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
4260 2016-05-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4263 * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
4265 2016-05-13 Eric Botcazou <ebotcazou@adacore.com>
4267 * builtins.c (expand_builtin_memcmp): Do not emit the call here.
4268 (expand_builtin_trap): Emit a regular call.
4269 (set_builtin_user_assembler_name): Remove obsolete cases.
4270 * dse.c (scan_insn): Adjust.
4271 * except.c: Include calls.h.
4272 (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
4273 emit a regular call to setjmp.
4274 * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
4275 (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
4276 (emit_block_move_via_libcall): Delete.
4277 (block_move_fn): Delete.
4278 (init_block_move_fn): Likewise.
4279 (emit_block_move_libcall_fn): Likewise.
4280 (emit_block_op_via_libcall): New function.
4281 (set_storage_via_libcall): Tidy up and use memset builtin.
4282 (block_clear_fn): Delete.
4283 (init_block_clear_fn): Likewise.
4284 (clear_storage_libcall_fn): Likewise.
4285 (expand_assignment): Call emit_block_move_via_libcall.
4286 Do not include gt-expr.h.
4287 * expr.h (emit_block_op_via_libcall): Declare.
4288 (emit_block_copy_via_libcall): New inline function.
4289 (emit_block_move_via_libcall): Likewise.
4290 (emit_block_comp_via_libcall): Likewise.
4291 (block_clear_fn): Delete.
4292 (init_block_move_fn): Likewise.
4293 (init_block_clear_fn): Likewise.
4294 (emit_block_move_via_libcall): Likewise.
4295 (set_storage_via_libcall): Add default parameter value.
4296 * libfuncs.h (enum libfunc_index): Remove obsolete values.
4297 (abort_libfunc): Delete.
4298 (memcpy_libfunc): Likewise.
4299 (memmove_libfunc): Likewise.
4300 (memcmp_libfunc): Likewise.
4301 (memset_libfunc): Likewise.
4302 (setbits_libfunc): Likewise.
4303 (setjmp_libfunc): Likewise.
4304 (longjmp_libfunc): Likewise.
4305 (profile_function_entry_libfunc): Likewise.
4306 (profile_function_exit_libfunc): Likewise.
4307 (gcov_flush_libfunc): Likewise.
4308 * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
4309 and DECL_VISIBILITY on the declaration.
4310 (init_optabs): Do not initialize obsolete libfuncs.
4311 * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
4312 * tree-core.h (ECF_RET1): Define.
4313 (ECF_TM_PURE): Adjust.
4314 (ECF_TM_BUILTIN): Likewise.
4315 * tree.c (set_call_expr_flags): Deal with ECF_RET1.
4316 (build_common_builtin_nodes): Initialize abort builtin.
4317 Add ECF_RET1 on memcpy, memmove and memset builtins.
4318 Pass final flags for alloca and alloca_with_align builtins.
4319 * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
4321 * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
4322 * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
4323 set_storage_via_libcall and call emit_block_copy_via_libcall.
4325 2016-05-12 Uros Bizjak <ubizjak@gmail.com>
4327 * config/i386/i386.md (*call_got_x32): Change operand 0 to
4328 DImode before it is passed to ix86_output_call_operand.
4329 (*call_value_got_x32): Ditto for operand 1.
4331 2016-05-12 Jiong Wang <jiong.wang@arm.com>
4333 PR rtl-optimization/70904
4334 * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
4335 reload for wide mode.
4337 2016-05-12 Marek Polacek <polacek@redhat.com>
4340 * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
4341 * langhooks.c (lhd_incomplete_type_error): Add location parameter.
4342 * langhooks.h (incomplete_type_error): Likewise.
4343 * tree.c (size_in_bytes_loc): Renamed from size_in_bytes. Add location
4344 parameter, pass it down to incomplete_type_error.
4345 * tree.h (size_in_bytes): New inline overload.
4346 (size_in_bytes_loc): Renamed from size_in_bytes.
4348 2016-05-12 Richard Biener <rguenther@suse.de>
4350 PR tree-optimization/71059
4351 * tree-ssa-pre.c (phi_translate_1): Fully fold translated
4352 nary before looking up or entering the expression into the VN
4354 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
4355 Make sure to re-use NARYs without result as inserted by
4358 2016-05-12 Richard Biener <rguenther@suse.de>
4360 PR tree-optimization/71062
4361 * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4363 * tree-ssa-structalias.c (set_uids_in_ptset): Set
4364 vars_contains_restrict if the var is a restrict tag.
4365 * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
4366 do not disambiguate pointers against it.
4367 (dump_points_to_solution): Re-structure and adjust for new
4368 vars_contains_restrict flag.
4369 * gimple-pretty-print.c (pp_points_to_solution): Likewise.
4371 2016-05-12 Martin Liska <mliska@suse.cz>
4373 * doc/invoke.texi: Explain connection between
4374 -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
4376 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
4378 PR tree-optimization/71006
4379 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4380 consider COND_EXPR as a mask producer.
4382 2016-05-12 Marek Polacek <polacek@redhat.com>
4385 * opts.c (common_handle_option): Detect missing argument for --help^.
4387 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4390 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4391 when popping the PC and within an interrupt handler routine.
4392 Add missing tab to output of "ldmfd".
4393 (output_return_instruction): Output LDMFD with SP update rather
4394 than POP when returning from interrupt handler.
4396 2016-05-12 Jakub Jelinek <jakub@redhat.com>
4398 * config/i386/i386.md (isa): Add x64_avx512dq, enable if
4399 TARGET_64BIT && TARGET_AVX512DQ.
4400 * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
4401 (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
4402 (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
4403 *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
4404 (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
4405 (*vec_extractv4si_zext): Add avx512dq alternative.
4406 (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
4407 use v instead of x constraint in other alternatives where possible.
4409 * config/i386/sse.md (sse2_loadld): Use v instead of x
4410 constraint in alternatives 0,1,4.
4412 * config/i386/sse.md (pinsr_evex_isa): New mode attr.
4413 (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
4414 v constraints instead of x and <pinsr_evex_isa> isa attribute.
4417 * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
4418 <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
4419 is not emitted unless TARGET_AVX512BW.
4420 (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
4421 Likewise. For TARGET_AVX512BW, use "=v" constraint instead of "=x"
4422 for the result operand.
4424 * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
4425 constraint instead of x in avx alternatives. Use maybe_evex instead
4428 * config/i386/constraints.md (Yv): New constraint.
4429 * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
4430 TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
4431 * config/i386/i386.md (avx512fvecmode): New mode attr.
4432 (*pushtf): Use v constraint instead of x.
4433 (*movtf_internal): Likewise. For TARGET_AVX512VL and
4434 xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
4435 (*absneg<mode>2): Use Yv constraint instead of x constraint.
4436 (*absnegtf2_sse): Likewise.
4437 (copysign<mode>3_const, copysign<mode>3_var): Likewise.
4438 * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
4439 avx512f alternatives.
4440 (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
4442 2016-05-12 Richard Biener <rguenther@suse.de>
4444 PR tree-optimization/71060
4445 * tree-data-ref.c (initialize_data_dependence_relation): Do not
4446 require exact match of DR_BASE_OBJECT but only matching address and
4449 2016-05-12 Richard Biener <rguenther@suse.de>
4451 PR tree-optimization/70986
4452 * cfganal.c: Include cfgloop.h.
4453 (dfs_find_deadend): Prefer to take edges exiting loops.
4455 2016-05-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4457 * gcc.target/powerpc/pr70963.c: Require at least power8 at both
4458 compile and run time.
4460 2016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
4463 * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
4465 2016-05-11 Uros Bizjak <ubizjak@gmail.com>
4467 * config/i386/i386.c (legitimize_pic_address): Use
4468 copy_to_suggested_reg instead of gen_movsi.
4470 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
4472 * config/rs6000/predicates.md (quad_memory_operand): Move most of
4473 the code into quad_address_p and call it to share code with
4474 vsx_quad_dform_memory_operand.
4475 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
4477 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
4478 bit instead of being a separate word. Split -mpower9-dform into
4479 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4480 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
4481 for the register class supporting 128-bit quad word memory offsets.
4482 (mode_supports_vsx_dform_quad): Helper function to return if the
4483 register class uses quad word memory offsets.
4484 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
4485 (rs6000_debug_reg_global): Always print if we are using LRA or not.
4486 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
4487 instructions are enabled, set up the appropriate addr_masks for
4489 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
4490 -mpower9-dform-scalar, instead of -mpower9-dform.
4491 (rs6000_option_override_internal): Split -mpower9-dform into two
4492 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
4493 -mpower9-dform switch sets or clears both. If we are not using
4494 the LRA register allocator, do not enable -mpower9-dform-vector by
4495 default. If we are using LRA, enable -mpower9-dform-vector and
4496 -mvsx-timode if it is appropriate. Issue a warning if either
4497 -mpower9-dform-vector or -mvsx-timode are explicitly used without
4499 (quad_address_offset_p): New helper function to return if the
4500 offset is legal for quad word memory instructions.
4501 (quad_address_p): New function to determin if GPR or vector
4502 register quad word memory addresses are legal.
4503 (mem_operand_gpr): Validate quad word address offsets.
4504 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
4505 d-form (register + offset) instructions.
4506 (offsettable_ok_by_alignment): Likewise.
4507 (rs6000_legitimate_offset_address_p): Likewise.
4508 (legitimate_lo_sum_address_p): Likewise.
4509 (rs6000_legitimize_address): Likewise.
4510 (rs6000_legitimize_reload_address): Add more debug statements for
4512 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
4513 d-form instructions.
4514 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
4515 d-form instructions. Distinguish different cases in debug
4516 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
4517 d-form instructions.
4518 (rs6000_preferred_reload_class): Likewise.
4519 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
4520 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
4521 of the ISA 2.06 indexed memory instructions.
4522 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
4523 use them to save/restore the saved vector registers instead of
4524 using Altivec instructions.
4525 (rs6000_emit_epilogue): Likewise.
4526 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
4527 (rs6000_opt_masks): Split -mpower9-dform into
4528 -mpower9-dform-scalar and -mpower9-dform-vector.
4529 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
4531 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
4532 ISA 3.0 vector indexed memory instructions, and fold the code into
4533 the normal mov<mode> patterns.
4534 (p9_vecstore_<mode>): Likewise.
4535 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
4537 (vsx_movti_64bit): Likewise.
4538 (vsx_movti_32bit): Likewise.
4539 * config/rs6000/constraints.md (wO constraint): New constraint for
4540 ISA 3.0 vector d-form support.
4541 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
4542 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
4543 include -mpower9-dform-vector until we switch over to LRA.
4544 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
4545 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4546 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
4547 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4548 for -mpower9-dform and -mlra.
4549 * doc/md.texi (wO constraint): Document wO constraint.
4551 2016-05-11 Alexander Monakov <amonakov@ispras.ru>
4553 * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
4554 'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
4555 * genautomata.c (output_internal_insn_code_evaluation): Simplify.
4556 Move handling of non-insn arguments inline into the sole user:
4557 (output_trans_func): ...here.
4558 (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
4559 in emitted function prototype.
4560 (output_internal_insn_latency_func): Ditto. Simplify.
4561 (output_internal_maximal_insn_latency_func): Ditto. Delete
4562 always-unused argument.
4563 (output_insn_latency_func): Ditto.
4564 (output_maximal_insn_latency_func): Ditto.
4566 2016-05-11 Richard Biener <rguenther@suse.de>
4568 PR tree-optimization/71055
4569 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
4570 sth with precision not equal to access size verify we don't chop
4573 2016-05-11 Richard Biener <rguenther@suse.de>
4576 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
4577 (dwarf2out_finish): Move retry_incomplete_types call ...
4578 (dwarf2out_early_finish): ... here.
4580 2016-05-11 Richard Biener <rguenther@suse.de>
4583 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
4584 if the langhook insists on it.
4585 * fold-const.c (make_bit_field_ref): Add arg for the original
4586 reference and preserve its alias-set.
4587 (decode_field_reference): Take exp by reference and adjust it
4588 to the original memory reference.
4589 (optimize_bit_field_compare): Adjust callers.
4590 (fold_truth_andor_1): Likewise.
4591 * gimplify.c (gimplify_expr): Adjust in-SSA form test.
4593 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
4596 * cfgrtl.h (delete_insn_and_edges): Now return bool.
4597 * cfgrtl.c (delete_insn_and_edges): Likewise.
4598 * config/i386/i386.c (convert_scalars_to_vector): Remove
4600 * cse.c (cse_insn): Compute cse_cfg_altered.
4601 (delete_trivially_dead_insns): Likewise.
4602 (cse_cc_succs): Likewise.
4603 (rest_of_handle_cse): Free dominance info if required.
4604 (rest_of_handle_cse2): Likewise.
4605 (rest_of_handle_cse_after_global_opts): Likewise.
4607 2016-05-11 Alan Modra <amodra@gmail.com>
4609 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
4610 abi_v4_pass_in_fpr): New functions.
4611 (rs6000_function_arg_boundary): Exclude complex IBM long double
4612 from 64-bit alignment when ABI_V4.
4613 (rs6000_function_arg, rs6000_function_arg_advance_1,
4614 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
4616 2016-05-10 Segher Boessenkool <segher@kernel.crashing.org>
4618 PR rtl-optimization/71028
4619 * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
4620 jump with just a return in the fallthrough block if the branch
4621 block contains just a return as well.
4623 2016-05-10 Marc Glisse <marc.glisse@inria.fr>
4625 * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
4626 * match.pd ((X & Y) ^ Y): ... this.
4627 ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
4628 | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
4630 2016-05-10 David Malcolm <dmalcolm@redhat.com>
4632 * read-md.c (require_char_ws): New function.
4633 (read_string): Simplify using require_char_ws.
4634 (handle_constants): Likewise.
4635 (handle_enum): Likewise.
4636 (handle_file): Likewise.
4637 * read-md.h (require_char_ws): New declaration.
4638 * read-rtl.c (read_conditions): Simplify using require_char_ws.
4639 (read_mapping): Likewise.
4640 (read_rtx_code): Likewise.
4641 (read_nested_rtx): Likewise.
4643 2016-05-10 James Norris <jnorris@codesourcery.com>
4645 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
4646 if offloading is enabled and -fopenacc or -fopenmp is specified.
4647 (CRTOFFLOADEND): Likewise.
4648 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
4649 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
4651 2016-05-10 Uros Bizjak <ubizjak@gmail.com>
4653 * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
4654 gotoff_operand code paths. Use copy_to_suggested_regs and
4655 expand_simple_binop where appropriate. Cleanup.
4657 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
4660 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
4662 (dimode_scalar_chain::vector_const_cost): New.
4663 (dimode_scalar_chain::compute_convert_gain): Handle constants.
4664 (dimode_scalar_chain::convert_op): Likewise.
4665 (dimode_scalar_chain::convert_insn): Likewise.
4667 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
4669 * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
4670 unary operation, not a binary one.
4672 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
4675 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
4676 calls with type casted fndecl.
4678 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
4680 PR tree-optimization/70786
4681 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
4682 * calls.c (initialize_argument_information): Bind bounds
4683 with corresponding args passed by reference.
4685 2016-05-10 Jakub Jelinek <jakub@redhat.com>
4688 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
4689 *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
4690 use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
4693 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4696 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
4697 code for a zero scale factor.
4698 (vsx_xvcvdpuxds_scale): Likewise.
4700 2016-05-10 David Malcolm <dmalcolm@redhat.com>
4702 * diagnostic-show-locus.c (layout::layout): Call show_ruler
4703 if show_ruler_p was set on the context.
4704 (layout::show_ruler): New method.
4705 * diagnostic.h (struct diagnostic_context): Add field
4708 2016-05-10 Richard Biener <rguenther@suse.de>
4710 PR tree-optimization/71039
4711 * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
4712 (chk_uses): New function.
4713 (propagate_with_phi): Verify we can safely replicate the lhs of an
4714 aggregate assignment on all incoming edges.
4716 2016-05-10 Oleg Endo <olegendo@gcc.gnu.org>
4718 * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
4720 (rx_atomic_sequence): New class.
4721 * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
4722 (is_interrupt_func, is_fast_interrupt_func): Make non-static and
4724 (rx_atomic_sequence::rx_atomic_sequence,
4725 rx_atomic_sequence::~rx_atomic_sequence): New functions.
4726 * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
4727 CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
4728 CTRLREG_INTB): New constants.
4729 (FETCHOP): New code iterator.
4730 (fethcop_name, fetchop_name2): New iterator code attributes.
4731 (QIHI): New mode iterator.
4732 (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
4733 atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
4734 atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
4736 2016-05-10 Martin Liska <mliska@suse.cz>
4738 * tree-inline.c (remap_dependence_clique): Do not remap
4739 debugging statements.
4741 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4743 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
4744 ("*fixuns_truncdfdi2_z13")
4745 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
4746 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
4747 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
4749 2016-05-10 Richard Biener <rguenther@suse.de>
4751 PR tree-optimization/70497
4752 PR tree-optimization/28367
4753 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
4755 (visit_reference_op_load): ... here.
4756 (vn_reference_lookup_3): Use it to handle subreg-like accesses
4757 with simplified BIT_FIELD_REFs.
4758 * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
4759 * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
4762 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
4764 * dwarf2out.c (add_abstract_origin_attribute): Adjust
4765 documentation comment. For BLOCK nodes, add a
4766 DW_AT_abstract_origin attribute that points to the DIE generated
4767 for the origin BLOCK.
4768 (gen_lexical_block_die): Call add_abstract_origin_attribute for
4769 blocks from inlined functions.
4771 2016-05-10 Alan Modra <amodra@gmail.com>
4774 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
4775 regrename modifying insns saving lr before __morestack call.
4776 * config/rs6000/rs6000.md (split_stack_return): Similarly for
4777 insns restoring lr after __morestack call.
4779 2016-05-09 Jakub Jelinek <jakub@redhat.com>
4781 * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
4782 lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
4784 * config/i386/sse.md (vec_interleave_high<mode>,
4785 vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
4786 <avx512>_vpermt2var<mode>3_maskz): Likewise.
4788 2016-05-04 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
4790 * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
4791 function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
4792 parallel reassociation for power8 and forward.
4794 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
4796 * config/i386/i386.md (absneg splitters with general regs): Use
4797 general_reg_operand predicate.
4798 (btsq peephole2): Use x86_64_immediate_operand to check if new
4799 value is suitable for immediate operand. Generate emitted insn
4800 using RTL expressions.
4801 (btcq peephole2): Ditto.
4802 (btrq peephole2): Ditto. Generate correct immediate operand
4805 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
4807 * cfgexpand.c (expand_debug_expr): Fix address offset for negative
4810 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
4812 * tree-affine.c (wide_int_constant_multiple_p): Add missing
4813 pointer dereference.
4815 2016-05-09 Richard Biener <rguenther@suse.de>
4817 PR tree-optimization/70985
4818 * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
4819 op0 isn't a gimple register.
4821 2016-05-09 Prachi Godbole <prachi.godbole@imgtec.com>
4823 * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
4824 (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
4825 (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
4826 (i6400_fpu_mult): New cpu units.
4827 (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
4828 (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
4829 (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
4830 (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
4831 (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
4832 (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
4833 (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
4834 (i6400_msa_long_float4, i6400_msa_long_float5)
4835 (i6400_msa_long_float8, i6400_msa_fdiv_df)
4836 (i6400_msa_fdiv_sf): New reservations.
4837 * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
4838 (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
4839 (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
4840 (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
4841 (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
4842 (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
4843 (msa_short_cmp, msa_short_float2, msa_short_logic3)
4844 (msa_short_store4, msa_long_load, msa_short_store)
4845 (msa_long_logic, msa_long_float2, msa_long_float4)
4846 (msa_long_float5, msa_long_float8, msa_long_mult)
4847 (msa_long_fdiv, msa_long_div): New reservations.
4849 2016-05-09 Robert Suchanek <robert.suchanek@imgtec.com>
4850 Sameera Deshpande <sameera.deshpande@imgtec.com>
4851 Matthew Fortune <matthew.fortune@imgtec.com>
4852 Graham Stott <graham.stott@imgtec.com>
4853 Chao-ying Fu <chao-ying.fu@imgtec.com>
4855 * config.gcc: Add MSA header file for mips*-*-* target.
4856 * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
4857 (Ubv8i, Urv8): New constraints.
4858 * config/mips/mips-ftypes.def: Add function types for MSA
4860 * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
4861 (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
4862 * config/mips/mips-msa.md: New file.
4863 * config/mips/mips-protos.h
4864 (mips_split_128bit_const_insns): New prototype.
4865 (mips_msa_idiv_insns): Likewise.
4866 (mips_split_128bit_move): Likewise.
4867 (mips_split_128bit_move_p): Likewise.
4868 (mips_split_msa_copy_d): Likewise.
4869 (mips_split_msa_insert_d): Likewise.
4870 (mips_split_msa_fill_d): Likewise.
4871 (mips_expand_msa_branch): Likewise.
4872 (mips_const_vector_same_val_p): Likewise.
4873 (mips_const_vector_same_bytes_p): Likewise.
4874 (mips_const_vector_same_int_p): Likewise.
4875 (mips_const_vector_shuffle_set_p): Likewise.
4876 (mips_const_vector_bitimm_set_p): Likewise.
4877 (mips_const_vector_bitimm_clr_p): Likewise.
4878 (mips_msa_vec_parallel_const_half): Likewise.
4879 (mips_msa_output_division): Likewise.
4880 (mips_ldst_scaled_shift): Likewise.
4881 (mips_expand_vec_cond_expr): Likewise.
4882 * config/mips/mips.c (enum mips_builtin_type): Add
4883 MIPS_BUILTIN_MSA_TEST_BRANCH.
4884 (mips_gen_const_int_vector_shuffle): New prototype.
4885 (mips_const_vector_bitimm_set_p): New function.
4886 (mips_const_vector_bitimm_clr_p): Likewise.
4887 (mips_const_vector_same_val_p): Likewise.
4888 (mips_const_vector_same_bytes_p): Likewise.
4889 (mips_const_vector_same_int_p): Likewise.
4890 (mips_const_vector_shuffle_set_p): Likewise.
4891 (mips_symbol_insns): Forbid loading symbols via immediate for
4893 (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
4895 (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
4897 (mips_lx_address_p): Add support load indexed address for MSA.
4898 (mips_address_insns): Add calculation of instructions needed for
4899 stores and loads for MSA.
4900 (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR. Handle
4901 CONST_VECTOR for MSA and let it fall through.
4902 (mips_ldst_scaled_shift): New function.
4903 (mips_subword_at_byte): Likewise.
4904 (mips_msa_idiv_insns): Likewise.
4905 (mips_legitimize_move): Validate MSA moves.
4906 (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases. Add
4907 calculation of costs for MSA division.
4908 (mips_split_move_p): Check if MSA moves need splitting.
4909 (mips_split_move): Split MSA moves if necessary.
4910 (mips_split_128bit_move_p): New function.
4911 (mips_split_128bit_move): Likewise.
4912 (mips_split_msa_copy_d): Likewise.
4913 (mips_split_msa_insert_d): Likewise.
4914 (mips_split_msa_fill_d): Likewise.
4915 (mips_output_move): Handle MSA moves.
4916 (mips_expand_msa_branch): New function.
4917 (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
4918 Reinstate 'y' modifier.
4919 (mips_file_start): Add MSA .gnu_attribute.
4920 (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
4922 (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
4923 (mips_class_max_nregs): Add register size for MSA supported mode.
4924 (mips_cannot_change_mode_class): Allow conversion between MSA
4925 vector modes and TImode.
4926 (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
4928 (mips_secondary_reload_class): Force MSA loads/stores via memory.
4929 (mips_preferred_simd_mode): Add preffered modes for MSA.
4930 (mips_vector_mode_supported_p): Add MSA supported modes.
4931 (mips_autovectorize_vector_sizes): New function.
4932 (mips_msa_output_division): Likewise.
4933 (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
4934 (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
4935 (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
4936 (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
4937 (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
4938 (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
4939 (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
4940 (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
4941 (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
4942 (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
4943 (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
4944 (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
4945 (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
4946 (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
4947 (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
4948 (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
4949 (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
4950 (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
4951 (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
4952 (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
4953 (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
4954 (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
4955 (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
4956 (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
4957 (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
4958 (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
4959 (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
4960 (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
4961 (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
4962 (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
4963 (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
4964 (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
4965 (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
4966 (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
4967 (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
4968 (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
4969 (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
4970 (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
4971 (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
4972 (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
4973 (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
4974 (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
4975 (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
4976 (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
4977 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
4978 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
4979 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
4980 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
4981 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
4982 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
4983 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
4984 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
4985 (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
4986 (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
4987 (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
4988 (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
4989 (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
4990 (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
4991 (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
4992 (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
4993 (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
4994 (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
4995 (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
4996 (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
4997 (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
4998 (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
4999 (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5000 (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5001 (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5002 (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5003 (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5004 (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5005 (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5006 (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5007 (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5008 slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5009 srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5010 srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5011 srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5012 srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5013 bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5014 bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5015 bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5016 binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5017 binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5018 binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5019 addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5020 subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5021 max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5022 max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5023 maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5024 mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5025 mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5026 min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5027 ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5028 clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5029 clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5030 clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5031 clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5032 clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5033 st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5034 sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5035 adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5036 adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5037 ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5038 aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5039 aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5040 subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5041 subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5042 subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5043 asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5044 maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5045 msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5046 div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5047 hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5048 hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5049 mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5050 dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5051 dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5052 dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5053 sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5054 splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5055 pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5056 ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5057 ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5058 ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5059 ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5060 bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5061 fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5062 pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5063 nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5064 copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5065 insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5066 bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5067 fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5068 fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5069 fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5070 fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5071 fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5072 fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5073 fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5074 fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5075 fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5076 fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5077 mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5078 msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5079 fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5080 flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5081 ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5082 ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5083 ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5085 (mips_get_builtin_decl_index): New array.
5086 (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5087 (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5088 (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5089 (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5090 (mips_init_builtins): Initialize mips_get_builtin_decl_index
5092 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5094 (mips_expand_builtin_insn): Prepare operands for
5095 CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5096 CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5097 CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5098 CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5099 CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5100 CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5101 CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5102 CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5103 CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5104 CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5105 CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5106 CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5107 CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5108 CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5109 CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5110 CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5111 CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5112 CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5113 CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5114 CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5115 CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5116 CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5117 CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5118 CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5119 CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5120 CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5121 CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5122 CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5123 CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5124 CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5125 CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5126 CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5127 CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5128 CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5129 CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5130 CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5131 CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5132 CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5133 CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5134 CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5135 CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5136 (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5137 (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5138 (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5139 These are set implicitly and an error is reported if overridden.
5140 (mips_expand_builtin_msa_test_branch): New function.
5141 (mips_expand_msa_shuffle): Likewise.
5142 (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5143 (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5144 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5145 (mips_expand_vec_unpack): Add support for MSA.
5146 (mips_expand_vector_init): Likewise.
5147 (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5148 instead of const0_rtx.
5149 (mips_msa_vec_parallel_const_half): New function.
5150 (mips_gen_const_int_vector): Likewise.
5151 (mips_gen_const_int_vector_shuffle): Likewise.
5152 (mips_expand_msa_cmp): Likewise.
5153 (mips_expand_vec_cond_expr): Likewise.
5154 * config/mips/mips.h
5155 (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5156 (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5158 (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5159 (ISA_HAS_MSA): New macro.
5160 (UNITS_PER_MSA_REG): Likewise.
5161 (BITS_PER_MSA_REG): Likewise.
5162 (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5163 (MSA_REG_FIRST): New macro.
5164 (MSA_REG_LAST): Likewise.
5165 (MSA_REG_NUM): Likewise.
5166 (MSA_REG_P): Likewise.
5167 (MSA_REG_RTX_P): Likewise.
5168 (MSA_SUPPORTED_MODE_P): Likewise.
5169 (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5170 (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5171 * config/mips/mips.md: Include mips-msa.md.
5172 (alu_type): Add simd_add.
5173 (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5174 (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5175 simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5176 simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5177 simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5178 simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5179 simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5180 simd_move, simd_load, simd_store. Choose "multi" for moves
5182 (qword_mode): New attribute.
5183 (insn_count): Add instruction count for quad moves.
5184 Increase the count for MIPS SIMD division.
5185 (UNITMODE): Add UNITMODEs for vector types.
5186 (addsub): New code iterator.
5187 * config/mips/mips.opt (mmsa): New option.
5188 * config/mips/msa.h: New file.
5189 * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5191 * config/mips/mti-linux.h: Likewise.
5192 * config/mips/predicates.md
5193 (const_msa_branch_operand): New constraint.
5194 (const_uimm3_operand): Likewise.
5195 (const_uimm4_operand): Likewise.
5196 (const_uimm5_operand): Likewise.
5197 (const_uimm8_operand): Likewise.
5198 (const_imm5_operand): Likewise.
5199 (aq10b_operand): Likewise.
5200 (aq10h_operand): Likewise.
5201 (aq10w_operand): Likewise.
5202 (aq10d_operand): Likewise.
5203 (const_m1_operand): Likewise.
5204 (reg_or_m1_operand): Likewise.
5205 (const_exp_2_operand): Likewise.
5206 (const_exp_4_operand): Likewise.
5207 (const_exp_8_operand): Likewise.
5208 (const_exp_16_operand): Likewise.
5209 (const_vector_same_val_operand): Likewise.
5210 (const_vector_same_simm5_operand): Likewise.
5211 (const_vector_same_uimm5_operand): Likewise.
5212 (const_vector_same_uimm6_operand): Likewise.
5213 (const_vector_same_uimm8_operand): Likewise.
5214 (par_const_vector_shf_set_operand): Likewise.
5215 (reg_or_vector_same_val_operand): Likewise.
5216 (reg_or_vector_same_simm5_operand): Likewise.
5217 (reg_or_vector_same_uimm6_operand): Likewise.
5218 * doc/extend.texi (MIPS SIMD Architecture Functions): New
5220 * doc/invoke.texi (-mmsa): Document new option.
5222 2016-05-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5224 * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
5225 * configure: Regenerate.
5226 * config.in: Regenerate.
5227 * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
5229 * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
5230 (ENDFILE_VTV_SPEC): Define.
5232 2016-05-09 Kaushik Phatak <kaushik.phatak@kpit.com>
5234 * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
5235 registers in all interrupt handlers if necessary.
5236 (rl78_option_override): Add warning.
5237 (MUST_SAVE_MDUC_REGISTERS): New macro.
5238 (rl78_expand_epilogue): Restore the MDUC registers if necessary.
5239 * config/rl78/rl78.c (check_mduc_usage): New function.
5240 (mduc_regs): New structure to hold MDUC register data.
5241 * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
5242 (mulsi3_g13): Add is_g13_muldiv_insn attribute.
5243 (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
5244 (mulhi3_g13): Add is_g13_muldiv_insn attribute.
5245 * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
5246 * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
5248 2016-05-09 Bin Cheng <bin.cheng@arm.com>
5250 * tree-if-conv.c (tree-ssa-loop.h): Include header file.
5251 (tree-ssa-loop-niter.h): Ditto.
5252 (idx_within_array_bound, ref_within_array_bound): New functions.
5253 (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
5254 Factor out check on writable base object to ...
5255 (base_object_writable): ... here.
5257 2016-05-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5259 * config/arm/arm.md (probe_stack): Add modes to set source
5262 2016-05-09 Bernd Schmidt <bschmidt@redhat.com>
5264 * regrename.c (base_reg_class_for_rename): New static function.
5265 (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
5267 2016-05-08 Jan Hubicka <hubicka@ucw.cz>
5269 * cgraph.c (thunk_adjust): Export.
5270 * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
5271 * cgraphunit.c (thunk_adjust): Export.
5272 (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
5274 * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
5276 * tree-inline.c (expand_call_inline): Expand thunks inline.
5278 2016-05-08 Uros Bizjak <ubizjak@gmail.com>
5281 * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
5282 (*sse2_vd_cvtss2sd): Ditto.
5283 * config/i386/i386.md
5284 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
5285 Generate *sse2_vd_cvtsd2ss pattern.
5286 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
5287 Generate *sse2_vd_cvtss2sd pattern.
5289 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
5291 * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
5292 * config/sh/sh.c (get_sh_arg_class): ... this new function. Update its
5295 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
5297 * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
5298 * config/sh/sh.c: Define and declare variables on first use throughout
5300 (current_function_interrupt): Change to bool type.
5301 (frame_insn): Rename to emit_frame_insn and update users.
5302 (push_regs): Use bool for 'interrupt_handler' argument.
5303 (save_schedule_s): Remove.
5304 (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
5305 (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
5306 targetm.asm_out.unaligned_op.di.
5307 (gen_far_branch): Remove redundant forward declaration.
5308 (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
5309 MAX_TEMPS, save_schedule_ssave_schedule): Remove.
5310 (sh_set_return_address, sh_function_ok_for_sibcall,
5311 scavenge_reg): Update comments.
5312 (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
5313 (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
5314 (sh_attr_renesas_p): Remove unnecessary parentheses.
5315 (branch_dest): Simplify.
5316 * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
5317 Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
5318 (CUMULATIVE_ARGS): Change macro to typedef.
5319 (current_function_interrupt): Change to bool type.
5320 (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
5321 Surround with __cplusplus ifdef.
5322 (sh_compare_op0, sh_compare_op1): Remove.
5323 (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
5325 2016-05-07 Jim Wilson <jim.wilson@linaro.org>
5327 * config/arm/arm.md: (arch): Add neon.
5328 (arch_enabled): Return yes for arch neon when TARGET_NEON.
5329 * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3. Add
5330 neon_move as type for alt 3. Add arch attr enabling alt 3 for neon.
5331 Emit vmov.i64 for alt 3. Renumber alternatives 3 to 8. Adjust
5332 attributes for alt renumbering. Mark alt 3 as non-predicable.
5333 (thumb2_movdf_vfp): Likewise.
5335 2016-05-07 Uros Bizjak <ubizjak@gmail.com>
5337 * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
5338 to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
5339 (*andqi_1): Add preferred_for_speed attribute to disparage
5340 alternative 2 for TARGET_PARTIAL_REG_STALL targets.
5341 (*<code>qi_1): Ditto.
5342 (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
5343 alternative 1 for TARGET_PARTIAL_REG_STALL targets.
5344 (*ashlqi3_1): Ditto.
5345 (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
5346 Add preferred_for_size attribute to disparage alternative 0 and
5347 preferred_for_speed attribute to disparage alternative 1 for
5348 TARGET_PARTIAL_REG_STALL targets.
5350 2016-05-07 Tom de Vries <tom@codesourcery.com>
5352 PR tree-optimization/70956
5353 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
5356 2016-05-07 Oleg Endo <olegendo@gcc.gnu.org>
5358 * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
5359 * config/sh/sh.c (sh_cbranch_distance): Implement it.
5360 * config/sh/sh.md (branch_zero): Remove define_attr.
5361 (define_delay): Disable delay slot if branch distance is one insn.
5363 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
5365 * config/i386/i386.md (LEAMODE): New mode attribute.
5366 (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
5367 (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
5368 and LEAMODE mode attribute. Use VOIDmode const_0_to_3_operand as
5369 operand 2 predicate.
5370 (*lea<mode>_general_2): Use VOIDmode for const248_operand.
5371 (*lea<mode>_general_3): Ditto.
5372 (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
5374 2016-05-06 Jakub Jelinek <jakub@redhat.com>
5376 * genmddump.c (main): Convert argv from char ** to const char **.
5378 2016-05-06 David Malcolm <dmalcolm@redhat.com>
5380 * coretypes.h (OVERRIDE): New macro.
5383 2016-05-06 Eric Botcazou <ebotcazou@adacore.com>
5385 * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
5386 allow coalescing if the types are compatible.
5388 2016-05-06 David Malcolm <dmalcolm@redhat.com>
5390 * pass_manager.h (pass_manager::register_pass_name): New method.
5391 (pass_manager::get_pass_by_name): New method.
5392 (pass_manager::create_pass_tab): New method.
5393 (pass_manager::m_name_to_pass_map): New field.
5394 * passes.c (name_to_pass_map): Delete global in favor of field
5395 "m_name_to_pass_map" of pass_manager.
5396 (register_pass_name): Rename from a function to...
5397 (pass_manager::register_pass_name): ...this method, updating
5398 for renaming of global "name_to_pass_map" to field
5399 "m_name_to_pass_map".
5400 (create_pass_tab): Rename from a function to...
5401 (pass_manager::create_pass_tab): ...this method, updating
5402 for renaming of global "name_to_pass_map" to field.
5403 (get_pass_by_name): Rename from a function to...
5404 (pass_manager::get_pass_by_name): ...this method.
5405 (enable_disable_pass): Convert use of get_pass_by_name to
5406 a method call, locating the pass_manager singleton.
5408 2016-05-06 David Malcolm <dmalcolm@redhat.com>
5410 * genattr-common.c (main): Convert argv from char ** to const char **.
5411 * genattr.c (main): Likewise.
5412 * genattrtab.c (main): Likewise.
5413 * genautomata.c (initiate_automaton_gen): Likewise.
5415 * gencodes.c (main): Likewise.
5416 * genconditions.c (main): Likewise.
5417 * genconfig.c (main): Likewise.
5418 * genconstants.c (main): Likewise.
5419 * genemit.c (main): Likewise.
5420 * genenums.c (main): Likewise.
5421 * genextract.c (main): Likewise.
5422 * genflags.c (main): Likewise.
5423 * genmddeps.c (main): Likewise.
5424 * genopinit.c (main): Likewise.
5425 * genoutput.c (main): Likewise.
5426 * genpeep.c (main): Likewise.
5427 * genpreds.c (main): Likewise.
5428 * genrecog.c (main): Likewise.
5429 * gensupport.c (init_rtx_reader_args_cb): Likewise.
5430 (init_rtx_reader_args): Likewise.
5431 * gensupport.h (init_rtx_reader_args_cb): Likewise.
5432 (init_rtx_reader_args): Likewise.
5433 * gentarget-def.c (main): Likewise.
5434 * read-md.c (read_md_files): Likewise.
5435 * read-md.h (read_md_files): Likewise.
5437 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
5439 * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
5440 instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
5441 * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
5442 Remove unused predicate.
5443 (register_and_not_fp_reg_operand): Ditto.
5445 2016-05-06 Martin Liska <mliska@suse.cz>
5447 * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
5448 instead of vec as the vector is local to the function.
5450 2016-05-06 Jakub Jelinek <jakub@redhat.com>
5452 * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
5453 avx512bw alternative.
5455 * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
5456 before the ashr<mode>3 pattern.
5458 * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
5459 v instead of x in vex or maybe_vex alternatives, use
5460 maybe_evex instead of vex in prefix.
5462 * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
5463 *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
5464 vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
5465 in vex or maybe_vex alternatives, use maybe_evex instead of vex
5468 * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
5469 v instead of x in vex or maybe_vex alternatives, use
5470 maybe_evex instead of vex in prefix.
5472 * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
5473 sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
5474 sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
5475 sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
5476 alternatives, use maybe_evex instead of vex in prefix.
5478 * config/i386/sse.md (vec_interleave_lowv4sf,
5479 *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
5480 v instead of x in vex or maybe_vex alternatives, use
5481 maybe_evex instead of vex in prefix.
5483 * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
5484 v instead of x in vex or maybe_vex alternatives, use
5485 maybe_evex instead of vex in prefix.
5487 * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
5488 v constraint instead of x.
5490 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
5492 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
5493 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
5496 2016-05-06 Richard Biener <rguenther@suse.de>
5498 PR tree-optimization/70948
5499 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5500 Properly clobber all fields of va_list for __builtin_va_start.
5502 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
5505 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
5506 loop latch destination.
5508 2016-05-06 Martin Liska <mliska@suse.cz>
5510 * tree-ssa-uninit.c: Apply manual changes
5511 to the GNU coding style.
5512 (prune_uninit_phi_opnds): Rename from
5513 prune_uninit_phi_opnds_in_unrealizable_paths.
5515 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
5517 * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
5518 mspace): Remove deprecated options.
5519 * doc/invoke.texi (SH options): Remove -mspace.
5521 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
5523 * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
5525 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
5527 * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
5528 corresponding combine split pattern.
5530 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
5533 * config/sh/predicates.md (long_displacement_mem_operand): New.
5534 * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
5535 Add movi20, movi20s alternatives. Adjust length attribute for
5537 (movsi_ie): Allow for any FPU. Adjust length attribute for
5539 (movsi_i_lowpart): Add movi20, movi20s alternatives. Adjust length
5540 attribute for alternatives.
5541 (*mov<mode>): Use long_displacement_mem_operand for length attribute.
5542 (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
5543 length attribute for alternatives.
5545 2016-05-06 Richard Biener <rguenther@suse.de>
5547 PR tree-optimization/70960
5548 * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
5550 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
5553 * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
5554 * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
5556 2016-05-06 Marek Polacek <polacek@redhat.com>
5559 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
5561 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
5564 * config/sh/sh.md (*rotcr): Add another variant.
5566 2016-05-06 Richard Biener <rguenther@suse.de>
5569 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
5571 2016-05-06 Richard Biener <rguenther@suse.de>
5574 * fold-const.c (split_tree): Always convert to the original type
5577 2016-05-06 Richard Biener <rguenther@suse.de>
5579 * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
5580 (fwprop_addr): Likewise.
5582 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
5585 * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
5587 * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
5588 * config/i386/i386.md (push mem splitter): Use find_constant_src in
5589 the splitter condition.
5590 (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
5591 the splitter condition.
5592 (FP float_extend load splitter): Ditto.
5594 2016-05-05 Uros Bizjak <ubizjak@gmail.com>
5596 * config/i386/i386.md (peehole2 patterns): Change true_regnum
5597 to REGNO in all peephole2 patterns.
5598 (post-reload splitters): Change true_regnum to REGNO in
5599 post-reload splitters.
5600 (zero_extend splitters): Use general_reg_operand and
5601 nonimmediate_gr_operand predicates.
5603 2016-05-05 Jakub Jelinek <jakub@redhat.com>
5605 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
5606 v constraint instead of x.
5608 2016-05-05 Alan Modra <amodra@gmail.com>
5611 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
5612 set OPTION_MASK_RELOCATABLE when flag_pic == 2. Set
5613 TARGET_NO_FP_IN_TOC for -mrelocatable.
5614 (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
5615 TARGET_RELOCATABLE test.
5616 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5617 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5618 * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5619 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5620 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5621 * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5622 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5623 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5624 * config/rs6000/predicates.md (easy_fp_constant): Likewise.
5625 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5627 (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
5628 (rs6000_stack_info): Likewise.
5629 (rs6000_elf_asm_out_constructor): Likewise.
5630 (rs6000_elf_asm_out_destructor): Likewise.
5631 (rs6000_elf_declare_function_name): Likewise.
5632 * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
5633 * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
5636 2016-05-05 Alan Modra <amodra@gmail.com>
5638 * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
5640 2016-05-05 Alan Modra <amodra@gmail.com>
5642 * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5643 out-of-line gpr restore for one or two regs if that would add
5646 2016-05-04 Uros Bizjak <ubizjak@gmail.com>
5649 * config/i386/i386.md
5650 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
5651 Change to post-epilogue_completed late splitter. Use sse_reg_operand
5652 as operand 0 predicate.
5653 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
5655 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
5656 Ditto. Emit the pattern using RTX.
5658 (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
5659 Use sse_reg_opreand as operand 0 predicate. Do not use true_regnum in
5660 the post-reload splitter. Use lowpart_subreg instead of gen_rtx_REG.
5661 (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
5663 (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
5664 sse_reg_operand as operand 0 predicate.
5666 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
5667 Use sse_reg_opreand as operand 0 predicate. Use lowpart_subreg
5668 instead of gen_rtx_REG.
5669 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
5672 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
5674 * function.c (emit_use_return_register_into_block): Delete.
5675 (gen_return_pattern): Delete.
5676 (emit_return_into_block): Delete.
5677 (active_insn_between): Delete.
5678 (convert_jumps_to_returns): Delete.
5679 (emit_return_for_exit): Delete.
5680 (thread_prologue_and_epilogue_insns): Delete all code dealing with
5681 simple_return for shrink-wrapped blocks.
5682 * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
5683 end of blocks that need one.
5684 (get_unconverted_simple_return): Delete.
5685 (convert_to_simple_return): Delete.
5686 * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
5687 (convert_to_simple_return): Ditto.
5689 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
5691 * cfgcleanup.c (bb_is_just_return): New function.
5692 (try_optimize_cfg): Simplify jumps to return, branches to return,
5693 and branches around return.
5695 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
5697 * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
5700 2016-05-04 Jakub Jelinek <jakub@redhat.com>
5704 * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
5705 * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
5706 assert flags & OEP_HASH_CHECK, instead of asserting it
5707 never happens. Handle TARGET_EXPR.
5708 * fold-const.c (operand_equal_p): For hash verification,
5709 or in OEP_HASH_CHECK into flags.
5711 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
5713 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
5715 (compute_samebase_partition_bases): Fix typo.
5717 2016-05-04 Jakub Jelinek <jakub@redhat.com>
5719 * config/i386/sse.md (vec_interleave_highv8sf,
5720 vec_interleave_lowv8sf, vec_interleave_highv4df,
5721 vec_interleave_lowv4df): Remove constraints from expanders.
5723 * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
5725 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
5727 * tree-inline.c (expand_call_inline): Fix path dealing with
5728 making lhs of call statement undefined.
5730 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
5732 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
5733 Check availability on NODE, too.
5734 * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
5735 (cgraph_node::call_for_symbol_and_aliases): Likewise.
5736 (varpool_node::call_for_symbol_and_aliase): Likewise.
5737 * ipa-pure-const.c (add_new_function): Analyze all bodies.
5738 (propagate_pure_const): Propagate across interposable functions, too.
5739 (skip_function_for_local_pure_const): Do not skip interposable bodies
5741 (pass_local_pure_const::execute): Update.
5743 2016-05-04 Marek Polacek <polacek@redhat.com>
5745 * doc/invoke.texi: Document -Wdangling-else.
5747 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
5749 * config.gcc: Error out when conflicting multilib is detected. Do not
5750 loop over multilibs since no combination is legal.
5752 2016-05-04 Alan Modra <amodra@gmail.com>
5754 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
5755 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
5756 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5759 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
5761 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
5762 Clean up p5600 comments.
5764 2016-05-04 Richard Biener <rguenther@suse.de>
5766 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
5767 constructor simplifications.
5768 * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
5770 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
5772 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
5773 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
5774 result.set_rtx is null instead of aborting.
5775 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
5777 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
5778 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
5779 *mov<mode>_store_postinc): New patterns.
5781 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
5783 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
5784 as commutative. Check both conversions are NOP.
5785 ((A & B) OP (C & B)): Remove.
5787 2016-05-04 Alan Modra <amodra@gmail.com>
5789 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
5791 2016-05-04 Alan Modra <amodra@gmail.com>
5794 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
5795 when cr2,3,4 are all fixed regs.
5797 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
5799 PR rtl-optimization/57193
5800 * opts.c (default_options_table): Revert OPT_frename_registers change.
5801 * doc/invoke.texi (-frename-registers, -O2): Likewise.
5803 2016-05-03 Martin Sebor <msebor@redhat.com>
5806 * builtins.c (fold_builtin_FILE): New function.
5807 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
5808 (fold_builtin_0): Call them.
5809 * gimplify.c (gimplify_call_expr): Remove the handling of
5810 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
5813 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
5814 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
5818 * doc/extend.texi (Function Names as Strings): Update __func__,
5819 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
5822 2016-05-03 Jakub Jelinek <jakub@redhat.com>
5823 Richard Biener <rguenther@suse.de>
5825 PR tree-optimization/70916
5826 * tree-if-conv.c: Include cfganal.h.
5827 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
5828 and remove_fake_exit_edges around the optimization pass.
5830 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
5832 * cgraph.c (symbol_table::create_edge): Set inline_failed.
5833 (cgraph_edge::make_direct): Likewise.
5834 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
5835 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
5836 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
5837 (CIF_THUNK): New code.
5838 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
5839 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
5840 (compute_inline_parameters): Set inline_failed for thunks.
5841 (inline_analyze_function): Cleanup.
5842 * ipa-inline.c (can_inline_edge_p): Do not deal with
5843 call_stmt_cannot_inline_p.
5844 (can_early_inline_edge_p): Likewise.
5845 (early_inliner): Initialize inline_failed.
5846 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
5848 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
5850 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
5851 from nonimm_ssenomem_operand.
5852 (nonimm_ssenomem_operand): New predicate.
5853 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
5854 as operand 0 predicate.
5855 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
5856 Disable unsupported alternatives using "enabled" attribute.
5857 Use register_ssemem_operand as operand 0 predicate.
5858 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
5860 2016-05-03 Marek Polacek <polacek@redhat.com>
5863 * input.c (expansion_point_location): New function.
5864 * input.h (expansion_point_location): Declare.
5866 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
5868 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
5869 occurence with frame_offset_ ones.
5871 2016-05-03 Alan Modra <amodra@gmail.com>
5873 PR rtl-optimization/70890
5874 * ira.c (combine_and_move_insns): When moving def_insn, remove
5877 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
5879 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
5880 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
5881 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
5882 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
5884 2016-05-03 Alan Modra <amodra@gmail.com>
5886 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
5887 for SAVE_MULTIPLE/STORE_MULTIPLE.
5889 2016-05-03 Jakub Jelinek <jakub@redhat.com>
5891 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
5892 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
5894 2016-05-03 Richard Biener <rguenther@suse.de>
5896 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
5898 (gimplify_arg): Likewise.
5899 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
5900 re-writing the result to a decl if required.
5901 (internal_get_tmp_var): Add allow_ssa parameter
5902 and override into_ssa with it.
5903 (get_formal_tmp_var): Adjust.
5904 (get_initialized_tmp_var): Add allow_ssa parameter.
5905 (gimplify_arg): Add allow_ssa parameter and avoid generating
5906 SSA names for the result false.
5907 (gimplify_call_expr): If the call may return twice do not
5908 gimplify parameters into SSA.
5909 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
5910 (gimplify_modify_expr): Adjust assert. For noreturn calls
5911 with a SSA name LHS adjust its def.
5912 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
5913 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
5914 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
5915 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
5916 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
5917 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
5918 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
5919 (optimize_target_teams): Do not allow SSA names for clause operands.
5920 (gimplify_expr): Likewise for where we mark the result addressable.
5921 * passes.def (pass_init_datastructures): Remove.
5922 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
5923 (rewrite_stmt): Likewise.
5924 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
5925 (replace_locals_op): Replace SSA names.
5926 (copy_gimple_seq_and_replace_locals): Init src_cfun.
5927 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
5928 * cgraph.c (release_function_body): Free CFG annotations only
5929 when we have a CFG. Simplify.
5930 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
5931 force_gimple_operand instead of get_initialized_tmp_var.
5932 * tree-pass.h (make_pass_init_datastructures): Remove.
5933 * tree-ssa.c (execute_init_datastructures): Remove.
5934 (pass_data_init_datastructures): Likewise.
5935 (class pass_init_datastructures): Likewise.
5936 (make_pass_init_datastructures): Likewise.
5937 * omp-low.c (create_omp_child_function): Init SSA data structures.
5938 (grid_expand_target_grid_body): Likewise.
5939 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
5940 name before adding it to names_to_release.
5941 (remove_bb): Always release SSA defs.
5942 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
5943 before dereferencing it.
5944 * cgraphunit.c (init_lowered_empty_function): Always
5945 int SSA data structures.
5946 * tree-ssanames.c (release_defs): Remove assert that we are in
5948 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
5950 2016-05-03 Jakub Jelinek <jakub@redhat.com>
5951 Uros Bizjak <ubizjak@gmail.com>
5953 PR rtl-optimization/70467
5954 * config/i386/predicates.md (x86_64_hilo_int_operand,
5955 x86_64_hilo_general_operand): New predicates.
5956 * config/i386/constraints.md (Wd): New constraint.
5957 * config/i386/i386.md (mode attr di): Use Wd instead of e.
5958 (general_hilo_operand): New mode attr.
5959 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
5960 instead of <general_operand>.
5961 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
5962 x86_64_hilo_general_operand instead of <general_operand>.
5964 2016-05-03 Jakub Jelinek <jakub@redhat.com>
5966 PR tree-optimization/70916
5967 * tree-if-conv.c (constant_or_ssa_name): Removed.
5968 (fold_build_cond_expr): Use is_gimple_val instead of
5969 constant_or_ssa_name.
5971 PR tree-optimization/70916
5972 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
5973 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
5976 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
5977 (optimize_atomic_bit_test_and): New function.
5978 (pass_fold_builtins::execute): Use it.
5979 * optabs.def (atomic_bit_test_and_set_optab,
5980 atomic_bit_test_and_complement_optab,
5981 atomic_bit_test_and_reset_optab): New optabs.
5982 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
5983 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
5984 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
5985 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
5986 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
5987 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
5988 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
5989 * doc/md.texi (atomic_bit_test_and_set@var{mode},
5990 atomic_bit_test_and_complement@var{mode},
5991 atomic_bit_test_and_reset@var{mode}): Document.
5992 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
5993 atomic_bit_test_and_complement<mode>,
5994 atomic_bit_test_and_reset<mode>): New expanders.
5995 (atomic_bit_test_and_set<mode>_1,
5996 atomic_bit_test_and_complement<mode>_1,
5997 atomic_bit_test_and_reset<mode>_1): New insns.
5999 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
6001 PR rtl-optimization/70687
6002 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
6003 instead of unsigned HOST_WIDE_INT.
6005 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
6007 PR rtl-optimization/44281
6008 * hard-reg-set.h (struct target_hard_regs): New field
6009 x_fixed_nonglobal_reg_set.
6010 (fixed_nonglobal_reg_set): New macro.
6011 * reginfo.c (init_reg_sets_1): Initialize it.
6012 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6014 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6016 2016-05-03 Bin Cheng <bin.cheng@arm.com>
6018 PR tree-optimization/56541
6019 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6020 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6021 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6022 (any_complicated_phi): new static variable.
6023 (aggressive_if_conv): delete.
6024 (if_convertible_phi_p): support phis with more than two arguments.
6025 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6026 critical pred edges.
6027 (ifcvt_split_critical_edges): support phis with more than two
6028 arguments by checking new parameter. only split critical edges
6030 (tree_if_conversion): handle simd pragma marked loop using new
6031 local variable aggressive_if_conv. check any_complicated_phi.
6033 2016-05-03 Bin Cheng <bin.cheng@arm.com>
6035 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6038 2016-05-03 Bin Cheng <bin.cheng@arm.com>
6040 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6043 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
6045 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6046 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6047 define_insn_and_split.
6048 (mulsi3_i): New define_insn_and_split.
6049 (mulsi3_call): Convert to define_insn.
6050 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6053 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
6055 * machmode.h (mode_complex): Add support to give the complex mode
6057 (GET_MODE_COMPLEX_MODE): Likewise.
6058 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6059 stored by build_complex_type and gfc_build_complex_type instead of
6060 trying to figure out the appropriate mode based on the size. Raise
6061 an assertion error, if the type was not set.
6062 * genmodes.c (struct mode_data): Add field for the complex type of
6064 (blank_mode): Likewise.
6065 (make_complex_modes): Remember the complex mode created in the
6067 (emit_mode_complex): Write out the mode_complex array to map a
6068 type mode to the complex version.
6069 (emit_insn_modes_c): Likewise.
6070 * tree.c (build_complex_type): Set the complex type to use before
6071 calling layout_type.
6072 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6073 support for __float128 complex datatypes.
6074 (rs6000_hard_regno_mode_ok): Likewise.
6075 (rs6000_setup_reg_addr_masks): Likewise.
6076 (rs6000_complex_function_value): Likewise.
6077 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6078 __float128 and __ibm128 complex.
6079 (FLOAT128_IBM_P): Likewise.
6080 (ALTIVEC_ARG_MAX_RETURN): Likewise.
6081 * doc/extend.texi (Additional Floating Types): Document that
6082 -mfloat128 must be used to enable __float128. Document complex
6083 __float128 and __ibm128 support.
6085 2016-05-02 Jakub Jelinek <jakub@redhat.com>
6088 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6089 char/short arguments promoted to int because of promote_prototypes.
6091 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
6093 * config/i386/predicates.md (register_ssemem_operand): New predicate.
6094 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6095 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6096 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
6097 alternatives using "enabled" attribute. Use register_ssemem_operand
6098 as operand 1 predicate.
6099 (*cmpi<unord>xf_i387): Split XFmode pattern from
6100 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6101 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6102 *absneg<mode>2_i387. Disable unsupported alternatives using
6103 "enabled" attribute.
6104 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6106 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
6108 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6110 (oacc_loop_process): Check mask for loop termination.
6112 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
6114 * cif-code.def (CIF_THUNK): Add.
6115 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6118 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
6120 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6121 (dump_inline_summary): Dump it.
6122 (fp_expression_p): New predicate.
6123 (estimate_function_body_sizes): Use it.
6124 (inline_merge_summary): Merge fp_expressions.
6125 (inline_read_section): Read fp_expressions.
6126 (inline_write_summary): Write fp_expressions.
6127 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6128 codegen boundary if either caller or callee is !fp_expressions.
6129 * ipa-inline.h (inline_summary): Add fp_expressions.
6130 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6131 to fp_expressions be sure the fp generation flags are updated.
6133 2016-05-02 Jakub Jelinek <jakub@redhat.com>
6135 PR rtl-optimization/70467
6136 * cse.c (cse_insn): Handle no-op MEM moves after folding.
6138 PR rtl-optimization/70467
6139 * ipa-pure-const.c (check_call): Handle internal calls even in
6140 ipa mode like in local mode.
6142 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
6144 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6146 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
6148 * match.pd (X u< X, X u> X): New transformations.
6150 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
6152 * flag-types.h (enum warn_strict_overflow_code): Move ...
6153 * coretypes.h: ... here.
6154 * fold-const.h (fold_overflow_warning): Declare.
6155 * fold-const.c (fold_overflow_warning): Make non-static.
6156 (fold_comparison): Move the transformation of X +- C1 CMP C2
6157 into X CMP C2 -+ C1 ...
6158 * match.pd: ... here.
6159 * gimple-fold.c (fold_stmt_1): Protect with
6160 fold_defer_overflow_warnings.
6162 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
6164 * omp-low.c (struct oacc_loop): Add 'inner' field.
6165 (new_oacc_loop_raw): Initialize it to zero.
6166 (oacc_loop_fixed_partitions): Initialize it.
6167 (oacc_loop_auto_partitions): Partition outermost loop to outermost
6168 available partitioning.
6170 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
6172 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6174 (umulsidi3): Likewise.
6175 (indirect_jump): Fix jump instruction assembly patterns.
6177 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
6180 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6181 (nvptx_function_value): Assert non-NULL cfun.
6183 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
6185 PR rtl-optimization/70886
6186 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6188 * cselib.h (rtx_equal_for_cselib_1): Declare.
6189 (rtx_equal_for_cselib_p: New inline function.
6190 * cselib.c (rtx_equal_for_cselib_p): Delete.
6191 (rtx_equal_for_cselib_1): Make public.
6193 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
6195 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6196 (register_mixssei387nonimm_operand): Remove predicate.
6197 * config/i386/i386.md (*fop_<mode>_comm): Merge from
6198 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
6199 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
6200 for TARGET_MIX_SSE_I387 alternatives.
6201 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
6202 Disable unsupported alternatives using "enabled" attribute. Use
6203 nonimm_ssenomem_operand as operand 1 predicate. Also check
6204 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
6206 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
6208 * tree.c (cst_and_fits_in_hwi): Simplify.
6210 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
6212 * tree.h (wi::to_wide): New function.
6213 * expr.c (expand_expr_real_1): Use wi::to_wide.
6214 * fold-const.c (int_const_binop_1): Likewise.
6215 (extract_muldiv_1): Likewise.
6217 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
6219 * wide-int.h: Update offset_int and widest_int documentation.
6220 (WI_SIGNED_SHIFT_RESULT): New macro.
6221 (wi::binary_shift): Define signed_shift_result_type for
6222 shifts on offset_int- and widest_int-like types.
6223 (generic_wide_int): Support <<= and >>= if << and >> are supported.
6224 * tree.h (int_bit_position): Use shift operators instead of wi::
6226 * alias.c (adjust_offset_for_component_ref): Likewise.
6227 * expr.c (get_inner_reference): Likewise.
6228 * fold-const.c (fold_comparison): Likewise.
6229 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
6230 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
6231 * tree-dfa.c (get_ref_base_and_extent): Likewise.
6232 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
6233 (stmt_kills_ref_p): Likewise.
6234 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
6235 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6236 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6237 (ao_ref_init_from_vn_reference): Likewise.
6239 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
6241 * wide-int.h: Update offset_int and widest_int documentation.
6242 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
6243 (wi::binary_traits): Allow ordered comparisons between offset_int and
6244 offset_int, between widest_int and widest_int, and between either
6245 of these types and basic C types.
6246 (operator <, <=, >, >=): Define for the same combinations.
6247 * tree.h (tree_int_cst_lt): Use comparison operators instead
6248 of wi:: comparisons.
6249 (tree_int_cst_le): Likewise.
6250 * gimple-fold.c (fold_array_ctor_reference): Likewise.
6251 (fold_nonarray_ctor_reference): Likewise.
6252 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
6253 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
6254 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
6255 * tree-sra.c (completely_scalarize): Likewise.
6256 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
6257 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
6258 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
6259 (check_for_binary_op_overflow): Likewise.
6260 (search_for_addr_array): Likewise.
6261 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
6263 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
6265 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
6266 (arc_save_restore): Likewise.
6267 (arc_dwarf_register_span): Likewise.
6268 (arc_output_pic_addr_const): Initialize suffix variable.
6270 2016-05-02 Martin Liska <mliska@suse.cz>
6272 * symbol-summary.h (function_summary::function_summary):
6273 Remove checking assert for all cgraph nodes.
6274 (function_summary::get): Check summary_uid.
6275 (symtab_insertion): Check summary_uid.
6277 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
6279 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
6280 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
6282 (arc_dwarf_register_span): Remove enum keyword.
6283 (compact_memory_operand_p): New function.
6284 * config/arc/arc.h (reg_class): Add code density register classes.
6285 (REG_CLASS_NAMES): Likewise.
6286 (REG_CLASS_CONTENTS): Likewise.
6287 * config/arc/arc.md (*movqi_insn): Add code density instructions.
6288 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
6289 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
6290 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
6291 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
6293 (h, Rcd, Rsd, Rzd): New register constraints.
6294 (T): Use compact_memory_operand_p function.
6295 * config/arc/predicates.md (compact_load_memory_operand): Remove.
6297 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
6299 * config/sh/sh.md (*negnegt, *movtt): Remove.
6301 2016-05-02 Marek Polacek <polacek@redhat.com>
6302 Tom de Vries <tom@codesourcery.com>
6304 PR tree-optimization/70700
6305 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
6306 bigger than FIRST_REF_NODE.
6308 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
6311 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
6313 (prepare_cbranch_operands): Don't use scratch register. Assume that
6314 function is used when pseudos can be created.
6315 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
6316 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
6317 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
6318 define_expand. Allow it only when pseudos can be created.
6319 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
6321 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
6323 * config/i386/constraints.md (BC): Only allow -1 operands.
6324 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
6325 Add "enabled" attribute. Update XI mode attribute calculation.
6326 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
6327 (*movoi_internal_avx): Update XI mode attribute calculation.
6328 (*movti_internal): Ditto.
6330 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
6332 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
6333 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6335 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
6337 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
6338 statement on instruction code. Remove trailing spaces.
6339 (altivec_expand_stv_builtin): Likewise.
6341 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
6343 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
6344 (TARGET_FPU_DOUBLE): Simplify.
6345 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6346 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
6347 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
6348 with 'TARGET_FPU_DOUBLE'.
6349 * config/sh/sh.md: Likewise.
6351 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
6353 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
6354 SH_DIV_STR_FOR_SIZE): Remove.
6355 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
6356 SH_DIV_STR_FOR_SIZE): Remove.
6358 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
6360 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
6361 logical_reg_operand): Delete.
6362 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
6363 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
6364 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
6365 match_operand and match_test.
6366 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
6367 variables on their first use. Return bool values.
6368 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
6369 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
6370 arith_reg_operand for input operand. Remove empty constraints.
6372 (*xorsi3_compact): Rename to xorsi3.
6373 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
6374 (*zero_extend<mode>si2_disp_mem): Update comment.
6377 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
6379 * config/sh/t-sh: Remove SH5 support.
6380 * config.gcc: Likewise.
6381 * configure: Likewise.
6383 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6385 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
6387 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
6389 * config/sh/sh.c (register_sh_passes, sh_option_override,
6390 sh_print_operand, prepare_move_operands,
6391 sh_can_follow_jump): Remove TARGET_SH1 checks.
6392 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
6393 PROMOTE_MODE): Likewise.
6394 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
6397 2016-04-30 Alan Modra <amodra@gmail.com>
6399 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
6400 restoring when fixed_reg_p, but allow out-of-line or stmw save.
6401 Check for user regs later to avoid unnecessary looping over regs.
6402 Merge user reg check with non-saved reg check. Don't force
6403 inline VR restore when static chain used.
6404 (rs6000_frame_related): Omit eh_frame info for user regs when
6406 (fixed_regs_p): Delete.
6408 2016-04-30 Alan Modra <amodra@gmail.com>
6410 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
6411 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
6414 2016-04-30 Alan Modra <amodra@gmail.com>
6417 * config/rs6000/rs6000.c (fixed_reg_p): New function.
6418 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
6421 2016-04-30 Alan Modra <amodra@gmail.com>
6423 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
6424 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
6425 flag_pic test for Darwin.
6427 2016-04-30 Alan Modra <amodra@gmail.com>
6429 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
6430 throw_calls_crossed.
6431 (REG_FREQ_CALLS_CROSSED): Delete.
6432 (REG_N_THROWING_CALLS_CROSSED): Delete.
6433 * regstat.c (regstat_bb_compute_ri): Don't calculate
6434 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
6435 (dump_reg_info): Don't print call cross frequency.
6436 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
6437 and REG_N_THROWING_CALLS_CROSSED.
6439 2016-04-30 Alan Modra <amodra@gmail.com>
6441 * regs.h (struct reg_info_t): Delete live_length.
6442 (REG_LIVE_LENGTH): Delete macro.
6443 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
6444 local_live, local_processed and local_live_last_luid params.
6445 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
6447 (regstat_compute_ri): Adjust for above. Don't set
6449 (dump_reg_info): Don't print live length.
6450 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
6451 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
6452 Localize loop_depth var.
6454 2016-04-30 Alan Modra <amodra@gmail.com>
6456 * ira.c (enum valid_equiv): New.
6457 (validate_equiv_mem): Return enum.
6458 (update_equiv_mem): Create replacement in more cases.
6459 (add_store_equivs): Update validate_equiv_mem call.
6461 2016-04-30 Alan Modra <amodra@gmail.com>
6463 * ira.c (combine_and_move_insns): Rather than scanning insns,
6464 use DF infrastucture to find use and def insns.
6466 2016-04-30 Alan Modra <amodra@gmail.com>
6468 ira.c (combine_and_move_insns): Move invariant conditions..
6469 (ira.c): ..to here. Call combine_and_move_insns before
6470 add_store_equivs. Call grow_reg_equivs later. Allocate
6471 req_equiv later using max_reg_num() rather than global max_regno.
6472 (contains_replace_regs): Delete.
6473 (add_store_equivs): Remove contains_replace_regs test.
6475 2016-04-30 Alan Modra <amodra@gmail.com>
6477 * ira.c (struct equiv_mem_data): New.
6478 (equiv_mem, equiv_mem_modified): Delete static vars.
6479 (validate_equiv_mem_from_store): Use "data" param to communicate..
6480 (validate_equiv_mem): ..from here.
6482 2016-04-30 Alan Modra <amodra@gmail.com>
6484 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
6486 (update_reg_equivs): ..here. Move allocation and freeing of
6487 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
6488 end_alias_analysis to..
6491 2016-04-30 Alan Modra <amodra@gmail.com>
6493 * ira.c (pdx_subregs): Delete.
6494 (struct equivalence): Add pdx_subregs field.
6495 (set_paradoxical_subreg): Remove pdx_subregs param. Update
6497 (update_equiv_regs): Don't create or free pdx_subregs. Update
6500 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6502 * config/rs6000/altivec.h: Change definitions of vec_xl and
6504 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
6505 (LD_ELEMREV_V2DI): New.
6506 (LD_ELEMREV_V4SF): New.
6507 (LD_ELEMREV_V4SI): New.
6508 (LD_ELEMREV_V8HI): New.
6509 (LD_ELEMREV_V16QI): New.
6510 (ST_ELEMREV_V2DF): New.
6511 (ST_ELEMREV_V2DI): New.
6512 (ST_ELEMREV_V4SF): New.
6513 (ST_ELEMREV_V4SI): New.
6514 (ST_ELEMREV_V8HI): New.
6515 (ST_ELEMREV_V16QI): New.
6518 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6519 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
6520 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
6521 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
6522 (altivec_expand_builtin): Add handling for
6523 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
6524 (rs6000_invalid_builtin): Add error-checking for
6525 RS6000_BTM_P9_VECTOR.
6526 (altivec_init_builtins): Define builtins used to implement vec_xl
6528 (rs6000_builtin_mask_names): Define power9-vector.
6529 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
6530 (RS6000_BTM_P9_VECTOR): Define.
6531 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
6532 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
6533 (vsx_ld_elemrev_v2df): Likewise.
6534 (vsx_ld_elemrev_v4sf): Likewise.
6535 (vsx_ld_elemrev_v4si): Likewise.
6536 (vsx_ld_elemrev_v8hi): Likewise.
6537 (vsx_ld_elemrev_v16qi): Likewise.
6538 (vsx_st_elemrev_v2df): Likewise.
6539 (vsx_st_elemrev_v2di): Likewise.
6540 (vsx_st_elemrev_v4sf): Likewise.
6541 (vsx_st_elemrev_v4si): Likewise.
6542 (vsx_st_elemrev_v8hi): Likewise.
6543 (vsx_st_elemrev_v16qi): Likewise.
6544 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
6547 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
6549 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
6551 (simplify_control_stmt_condition_1): ... here. Recurse into
6552 BIT_AND_EXPRs and BIT_IOR_EXPRs.
6554 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
6557 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
6558 (zero_extendqi<mode>2_dot): Revert earlier conversion from
6559 define_insn_and_split to define_insn.
6560 (zero_extendqi<mode>2_dot2): Same.
6561 (extendqi<mode>2_dot): Same.
6562 (extendqi<mode>2_dot2): Same.
6564 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
6566 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
6567 (probe_stack): New expander.
6568 (probe_stack_<mode>): New insn pattern.
6570 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
6572 * config/i386/i386.md
6573 (operations with memory inputs setting flags peephole2):
6574 Remove uneeded REG_P checks. Cleanup pattern generation.
6576 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
6578 * tree-vect-loop.c (vect_transform_loop): Fix
6579 nb_iterations_upper_bound computation for vectorized loop.
6581 2016-04-29 Marek Polacek <polacek@redhat.com>
6582 Jakub Jelinek <jakub@redhat.com>
6585 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
6586 TARGET_EXPR_SLOT as a base.
6588 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
6590 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
6591 with 'rCm2' constraints to limit possible immediate size.
6592 (*load_zeroextendqisi_update): Likewise.
6593 (*load_signextendqisi_update): Likewise.
6594 (*loadhi_update): Likewise.
6595 (*load_zeroextendhisi_update): Likewise.
6596 (*load_signextendhisi_update): Likewise.
6597 (*loadsi_update): Likewise.
6598 (*loadsf_update): Likewise.
6600 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
6602 * config/i386/predicates.md (constm1_operand): Fix comparison.
6604 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
6606 * testsuite/gcc.target/arc/ieee_eq.c: New test.
6608 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
6610 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
6611 remaining SH5 related settings.
6612 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
6613 shmedia_prepare_call_address): Delete.
6614 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
6615 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
6616 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
6617 UNSUPPORTED_SH2A): Remove m5 checks.
6618 (sh_divide_strategy_e): Remove SH5 division strategies.
6619 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
6620 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
6622 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
6624 * config/s390/s390.c (s390_rtx_costs): Update documentation.
6626 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6628 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
6629 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
6631 * config/s390/vector.md ("mov<mode>"): Likewise.
6633 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
6635 * config/s390/constraints.md ("U", "W"): Invoke
6636 s390_mem_constraint with "ZR" and "ZT".
6637 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
6638 addresses when using LRA. Accept also short displacements for S
6639 and T constraints. Do not check for long displacement target for
6640 S and T constraints.
6641 (s390_mem_constraint): Remove handling of U and W constraints.
6642 * config/s390/s390.md (various patterns): Remove the short
6643 displacement constraints (Q and R) if a long displacement
6644 constraint is present. Add longdisp as required CPU capability.
6645 * config/s390/vector.md: Likewise.
6646 * config/s390/vx-builtins.md: Likewise.
6648 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6651 * reload1.c (reload): Call finish_spills before
6652 restarting reload loop. Skip select_reload_regs
6653 if update_eliminables_and_spill returns true.
6655 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
6657 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
6658 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
6659 (umulhisi3_imm): Update predicates and constraint letters.
6660 (umulhisi3_reg): Declare instruction as commutative.
6661 * config/arc/constraints.md (J12, J16): New constraints.
6662 * config/arc/predicates.md (short_unsigned_const_operand): New
6664 (arc_short_operand): Likewise.
6665 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
6667 2016-04-29 Richard Biener <rguenther@suse.de>
6669 PR tree-optimization/13962
6670 PR tree-optimization/65686
6671 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
6672 * tree-ssa-alias.c (ptrs_compare_unequal): New function
6673 using PTA to compare pointers.
6674 * match.pd: Add pattern for pointer equality compare simplification
6675 using ptrs_compare_unequal.
6677 2016-04-29 Richard Biener <rguenther@suse.de>
6679 * stor-layout.c (layout_type): Do not build a pointer-to-element
6682 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
6684 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
6685 Use SWI mode iterator. Use general_reg_operand predicate.
6686 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
6687 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
6690 2016-04-29 Jakub Jelinek <jakub@redhat.com>
6693 * fold-const.c (operand_equal_p): Don't verify hash value equality
6695 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
6698 2016-04-28 Jakub Jelinek <jakub@redhat.com>
6701 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
6702 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
6703 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
6704 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
6705 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
6707 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
6709 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
6710 to info. Don't initialize separate fields to 0. Clean up
6713 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
6715 * config/i386/i386.md (peephole2s for operations with memory inputs):
6716 Use SWI mode iterator.
6717 (peephole2s for operations with memory outputs): Ditto.
6718 Do not check for stack checking probe.
6720 (probe_stack): Remove expander.
6722 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
6723 Andrew Burgess <andrew.burgess@embecosm.com>
6725 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
6726 operands as 32-bits.
6728 2016-04-28 Jason Merrill <jason@redhat.com>
6730 * gdbinit.in: Skip line-map.h.
6732 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
6733 Andrew Burgess <andrew.burgess@embecosm.com>
6735 * config/arc/arc.c (arc_conditional_register_usage): Take
6736 TARGET_RRQ_CLASS into account.
6737 (arc_print_operand): Support printing 'p' and 's' operands.
6738 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
6740 (TARGET_RRQ_CLASS): Define.
6741 (IS_POWEROF2_OR_0_P): Define.
6742 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
6744 (*tst_movb): New define_insn.
6745 (*tst): Avoid recognition if it could prevent '*tst_movb'
6746 combination; replace c/CnL with c/Chs alternative.
6747 (*tst_bitfield_tst): New define_insn.
6748 (*tst_bitfield_asr): New define_insn.
6749 (*tst_bitfield): New define_insn.
6750 (andsi3_i): Add Rrq variant.
6751 (extzv): New define_expand.
6752 (insv): New define_expand.
6753 (*insv_i): New define_insn.
6754 (*movb): New define_insn.
6755 (*movb_signed): New define_insn.
6756 (*movb_high): New define_insn.
6757 (*movb_high_signed): New define_insn.
6758 (*movb_high_signed + 1): New define_split pattern.
6759 (*mrgb): New define_insn.
6760 (*mrgb + 1): New define_peephole2 pattern.
6761 (*mrgb + 2): New define_peephole2 pattern.
6762 * config/arc/arc.opt (mbitops): New option for nps400, uses
6763 TARGET_NPS_BITOPS_DEFAULT.
6764 * config/arc/constraints.md (q): Make register class conditional.
6765 (Rrq): New register constraint.
6766 (Chs): New constraint.
6767 (Clo): New constraint.
6768 (Chi): New constraint.
6769 (Cbf): New constraint.
6770 (Cbn): New constraint.
6771 (C18): New constraint.
6772 (Cbi): New constraint.
6774 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
6776 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
6778 (bitmap_intersection_of_preds): Ditto.
6779 (bitmap_union_of_succs): Ditto.
6780 (bitmap_union_of_preds): Ditto.
6781 * sbitmap.c (do_popcount): Delete.
6782 (BITMAP_DEBUGGING): Delete.
6783 (sbitmap_verify_popcount): Delete.
6784 (sbitmap_alloc): Don't initialize the popcount field.
6785 (sbitmap_alloc_with_popcount): Delete.
6786 (sbitmap_resize): Don't resize the popcount array.
6787 (sbitmap_vector_alloc): Don't initialize the popcount field.
6788 (bitmap_copy): Don't copy the popcount array.
6789 (bitmap_clear): Don't clear the popcount array.
6790 (bitmap_clear): Delete the popcount array handling.
6791 (bitmap_ior_and_compl): Delete the popcount assert.
6792 (bitmap_not): Ditto.
6793 (bitmap_and_compl): Ditto.
6794 (bitmap_and): Delete the popcount array handling.
6795 (bitmap_xor): Ditto.
6796 (bitmap_ior): Ditto.
6797 (bitmap_or_and): Delete the popcount assert.
6798 (bitmap_and_or): Ditto.
6799 (popcount_table): Delete.
6800 (sbitmap_elt_popcount): Delete.
6801 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
6802 (bitmap_set_bit): Delete the popcount assert.
6803 (bitmap_clear_bit): Ditto.
6804 (sbitmap_free): Don't free the popcount array.
6805 (sbitmap_alloc_with_popcount): Delete declaration.
6806 (sbitmap_popcount): Ditto.
6808 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
6809 Andrew Burgess <andrew.burgess@embecosm.com>
6811 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
6812 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
6813 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
6814 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
6815 * config/arc/arc.opt (mcmem): New option.
6816 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
6817 supply length for r/m alternative.
6818 (*extendqisi2_ac): Likewise.
6819 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
6821 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
6822 (movhi_insn): Likewise.
6823 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
6824 (*zero_extendqihi2_i): Add r/Ucm alternative.
6825 (*zero_extendqisi2_ac): Likewise.
6826 (*zero_extendhisi2_i): Likewise.
6827 * config/arc/constraints.md (Uex): New memory constraint.
6828 (Ucm): New define_constraint.
6829 * config/arc/predicates.md (long_immediate_loadstore_operand):
6830 Return 0 for MEM with cmem_address address.
6831 (cmem_address_0): New predicates.
6832 (cmem_address_1): Likewise.
6833 (cmem_address_2): Likewise.
6834 (cmem_address): Likewise.
6836 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
6838 * config/rs6000/rs6000.c (machine_function): Rename
6839 insn_chain_scanned_p to spe_insn_chain_scanned_p.
6840 (rs6000_stack_info): Adjust.
6842 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
6843 Andrew Burgess <andrew.burgess@embecosm.com>
6845 * config/arc/constraints.md (Usd): Convert to define_constraint.
6849 2016-04-28 Jakub Jelinek <jakub@redhat.com>
6852 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
6853 Add new peephole2 where the first insn is *mov<mode>_or instead of
6854 *mov<mode>_internal.
6856 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
6858 * tracer.c (bb_seen): Make static.
6860 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
6862 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
6863 support, setup defaults.
6864 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
6865 * config/arc/arc.c (arc_init): Add NPS400 support.
6866 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
6867 (TARGET_ARC700): NPS400 is also an ARC700.
6868 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
6870 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
6873 * config/nds32/nds32.md (casesi): Don't access the operands array
6876 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
6878 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
6879 (or $-1,reg peephole2): Ditto.
6880 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
6882 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
6884 * doc/extend.texi (Common Function Attributes) [optimize]:
6885 Discourage use of the optimize attribute.
6887 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
6889 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
6890 special case builtin.
6891 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
6892 ALTIVEC_BUILTIN_VEC_ADDE.
6893 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
6894 support for ALTIVEC_BUILTIN_VEC_ADDE.
6895 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
6896 for __builtin_vec_adde.
6898 2016-04-28 Jakub Jelinek <jakub@redhat.com>
6900 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
6901 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
6903 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6906 * doc/sourcebuild.texi (Effective-Target Keywords, Other
6907 attributes): Document cilkplus_runtime.
6909 2016-04-28 Martin Jambor <mjambor@suse.cz>
6911 * tree-cfg.c (verify_expr): Verify that local declarations belong to
6912 this function. Call verify_expr on MEM_REFs and bases of other
6915 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6917 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
6918 for WORD_REGISTER_OPERATIONS to runtime check.
6920 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
6922 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
6924 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
6926 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
6927 big-endian compilation.
6928 * config/arc/arc.md (addf3): Likewise.
6932 2016-04-28 Richard Biener <rguenther@suse.de>
6934 PR tree-optimization/70840
6935 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
6936 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
6937 Mark x * pow(x,c) -> pow(x,c+1) commutative.
6938 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
6940 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6942 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
6943 and explain why in a comment.
6945 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
6947 * config/arc/arc.md (cpu_facility): Add fpx variant.
6948 (subdf3): Prohibit use reverse sub when assist operations option
6950 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
6951 instructions only when FPX is enabled.
6952 * testsuite/gcc.target/arc/trsub.c: New test.
6954 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
6956 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
6957 mult_operator when calculating "type" attribute.
6958 (*fop_<mode>_1_i387): Ditto.
6959 (*fop_xf_1_i387): Ditto.
6960 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
6961 Use std::swap to swap operands. Use RTL expressions to generate
6964 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
6965 Joern Rennecke <joern.rennecke@embecosm.com>
6967 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
6969 (emit_pic_move): Remove.
6970 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
6971 * config/arc/arc.c (emit_pic_move): Removed.
6972 (TARGET_HAVE_TLS): Define.
6973 (arc_conditional_register_usage): Test for arc_tp_regno.
6974 (arc_print_operand, arc_print_operand_address): Handle TLS
6976 (arc_needs_pcl_p): New function.
6977 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
6978 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
6979 (arc_raw_symbolic_reference_mentioned_p): Likewise.
6980 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
6981 (arc_legitimize_tls_address): Likewise.
6982 (DTPOFF_ZERO_SYM): Define.
6983 (arc_legitimize_pic_address): Make it static, handle TLS cases.
6984 (arc_output_pic_addr_const): Print TLS unspecs.
6985 (prepare_pic_move): New function, replaces emit_pic_move.
6986 (arc_legitimate_constant_p): Handle TLS unspecs.
6987 (arc_legitimate_address_p): Likewise.
6988 (arc_rewrite_small_data_p): Use assert for TLS constants.
6989 (prepare_move_operands): Use prepare_pic_move.
6990 (arc_legitimize_address): Legitimize tls addresses.
6991 (arc_epilogue_uses): Check for arc_tp_regno.
6992 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
6993 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
6995 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
6997 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
6998 %(arc_tls_extra_start_spec).
6999 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7000 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7002 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7003 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7004 (UNSPEC_TLS_OFF): Add.
7006 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7007 (get_thread_pointersi): New patterns.
7008 * config/arc/arc.opt (mtp-regno): New option.
7009 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7010 (move_dest_operand): Likewise.
7011 * configure: Regenerate.
7012 * configure.ac: Add arc*-*-* case to test for tls.
7013 * doc/invoke.texi (ARC options): Document mtp-regno.
7015 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
7017 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7018 the new ARC HS SIMD instructions.
7019 (arc_preferred_simd_mode): New function.
7020 (arc_autovectorize_vector_sizes): Likewise.
7021 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7022 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7023 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7024 (arc_init_builtins): Add new SIMD builtin types.
7025 (arc_split_move): Handle 64 bit vector moves.
7026 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7027 (TARGET_PLUS_QMACW): Define.
7028 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7029 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7030 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7031 (VSUBADD4H): New builtins.
7032 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7033 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7035 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
7036 Matthias Klose <doko@debian.org>
7038 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7040 2016-04-28 Richard Biener <rguenther@suse.de>
7043 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7046 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
7048 * common/config/sh/sh-common.c: Remove SH5 support.
7049 * config/sh/constraints.md: Likewise.
7050 * config/sh/config/sh/elf.h: Likewise.
7051 * config/sh/linux.h: Likewise.
7052 * config/sh/netbsd-elf.h: Likewise.
7053 * config/sh/predicates.md: Likewise.
7054 * config/sh/sh-c.c: Likewise.
7055 * config/sh/sh-protos.h: Likewise.
7056 * config/sh/sh.c: Likewise.
7057 * config/sh/sh.h: Likewise.
7058 * config/sh/sh.md: Likewise.
7059 * config/sh/sh.opt: Likewise.
7060 * config/sh/sync.md: Likewise.
7061 * config/sh/sh64.h: Delete.
7062 * config/sh/shmedia.h: Likewise.
7063 * config/sh/shmedia.md: Likewise.
7064 * config/sh/sshmedia.h: Likewise.
7065 * config/sh/t-netbsd-sh5-64: Likewise.
7066 * config/sh/t-sh64: Likewise.
7067 * config/sh/ushmedia.h: Likewise.
7069 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
7071 * config/i386/i386.md (sign_extend to memory peephole2s): Use
7072 general_reg_operand instead of register_operand predicate.
7074 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7076 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7078 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
7080 * match.pd (A - B > A, A + B < A): New transformations.
7082 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
7084 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7085 which defaults to true. Emit an outer pair of parentheses only if
7086 EMIT_PARENS. When continuing a chain of && or || (or & or |),
7087 don't emit parentheses for the right-hand operand.
7089 2016-04-27 Jeff Law <law@redhat.com>
7091 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7093 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7095 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7096 (altivec_lvx_<mode>_internal): Document.
7097 (altivec_lvx_<mode>_2op): New define_insn.
7098 (altivec_lvx_<mode>_1op): Likewise.
7099 (altivec_lvx_<mode>_2op_si): Likewise.
7100 (altivec_lvx_<mode>_1op_si): Likewise.
7101 (altivec_stvx_<mode>): Remove.
7102 (altivec_stvx_<mode>_internal): Document.
7103 (altivec_stvx_<mode>_2op): New define_insn.
7104 (altivec_stvx_<mode>_1op): Likewise.
7105 (altivec_stvx_<mode>_2op_si): Likewise.
7106 (altivec_stvx_<mode>_1op_si): Likewise.
7107 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7108 Expand vec_ld and vec_st during parsing.
7109 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7111 (altivec_expand_stvx_be): Likewise.
7112 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7113 address-masking behavior in RTL.
7114 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7115 address-masking behavior in RTL.
7116 (altivec_expand_builtin): Change builtin code arguments for calls
7117 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7118 (insn_is_swappable_p): Avoid incorrect swap optimization in the
7119 presence of lvx/stvx patterns.
7120 (alignment_with_canonical_addr): New function.
7121 (alignment_mask): Likewise.
7122 (find_alignment_op): Likewise.
7123 (recombine_lvx_pattern): Likewise.
7124 (recombine_stvx_pattern): Likewise.
7125 (recombine_lvx_stvx_patterns): Likewise.
7126 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7127 stvx patterns from expand.
7128 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7130 (vector_altivec_store_<mode>): Likewise.
7132 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
7134 * config/aarch64/aarch64.md
7135 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7136 remove the "fp" attributes.
7137 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7138 add the "simd" attributes.
7139 (*movdf_aarch64): Likewise.
7140 (*movtf_aarch64): Remove the "fp" attributes.
7141 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7142 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7144 2016-04-27 David Malcolm <dmalcolm@redhat.com>
7146 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7147 rtx to rtx_code_label *.
7148 * rtl.h (maybe_set_first_label_num): Likewise.
7150 2016-04-27 David Malcolm <dmalcolm@redhat.com>
7152 * df-core.c (df_add_problem): Make the problem param be const.
7153 (df_remove_problem): Make local "problem" be const.
7154 * df-problems.c (problem_RD): Make const.
7155 (problem_LR): Likewise.
7156 (problem_LIVE): Likewise.
7157 (problem_MIR): Likewise.
7158 (problem_CHAIN): Likewise.
7159 (problem_WORD_LR): Likewise.
7160 (problem_NOTE): Likewise.
7161 (problem_MD): Likewise.
7162 * df-scan.c (problem_SCAN): Likewise.
7163 * df.h (struct df_problem): Make field "dependent_problem" be
7165 (struct dataflow): Likewise for field "problem".
7166 (df_add_problem): Make param const.
7168 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
7170 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7171 inter-unit moves to/from vector registers are enabled. Do not disable
7174 2016-04-27 David Malcolm <dmalcolm@redhat.com>
7176 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7177 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7179 (enum df_problem_id): ...this new enum.
7180 (struct df_problem): Convert field "id" from "int" to
7183 2016-04-27 David Malcolm <dmalcolm@redhat.com>
7185 * rtl.def: Update comment for "things in the instruction chain" to
7186 reflect the removal of the leading "i" field for INSN_UID in
7187 r210360. Fix bogus apostrophe.
7189 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
7191 * config/i386/i386.md
7192 (lea arith with mem operand + setcc peephole2): Set operator mode.
7194 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
7197 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7198 (dimode_scalar_to_vector_candidate_p): This.
7199 (timode_scalar_to_vector_candidate_p): New function.
7200 (scalar_to_vector_candidate_p): Likewise.
7201 (timode_check_non_convertible_regs): Likewise.
7202 (timode_remove_non_convertible_regs): Likewise.
7203 (remove_non_convertible_regs): Likewise.
7204 (remove_non_convertible_regs): Renamed to ...
7205 (dimode_remove_non_convertible_regs): This.
7206 (scalar_chain::~scalar_chain): Make it virtual.
7207 (scalar_chain::compute_convert_gain): Make it pure virtual.
7208 (scalar_chain::mark_dual_mode_def): Likewise.
7209 (scalar_chain::convert_insn): Likewise.
7210 (scalar_chain::convert_registers): Likewise.
7211 (scalar_chain::add_to_queue): Make it protected.
7212 (scalar_chain::emit_conversion_insns): Likewise.
7213 (scalar_chain::replace_with_subreg): Likewise.
7214 (scalar_chain::replace_with_subreg_in_insn): Likewise.
7215 (scalar_chain::convert_op): Likewise.
7216 (scalar_chain::convert_reg): Likewise.
7217 (scalar_chain::make_vector_copies): Likewise.
7218 (scalar_chain::convert_registers): New pure virtual function.
7219 (class dimode_scalar_chain): New class.
7220 (class timode_scalar_chain): Likewise.
7221 (scalar_chain::mark_dual_mode_def): Renamed to ...
7222 (dimode_scalar_chain::mark_dual_mode_def): This.
7223 (timode_scalar_chain::mark_dual_mode_def): New function.
7224 (timode_scalar_chain::convert_insn): Likewise.
7225 (dimode_scalar_chain::convert_registers): Likewise.
7226 (scalar_chain::compute_convert_gain): Renamed to ...
7227 (dimode_scalar_chain::compute_convert_gain): This.
7228 (scalar_chain::replace_with_subreg): Renamed to ...
7229 (dimode_scalar_chain::replace_with_subreg): This.
7230 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
7231 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
7232 (scalar_chain::make_vector_copies): Renamed to ...
7233 (dimode_scalar_chain::make_vector_copies): This.
7234 (scalar_chain::convert_reg): Renamed to ...
7235 (dimode_scalar_chain::convert_reg ): This.
7236 (scalar_chain::convert_op): Renamed to ...
7237 (dimode_scalar_chain::convert_op): This.
7238 (scalar_chain::convert_insn): Renamed to ...
7239 (dimode_scalar_chain::convert_insn): This.
7240 (scalar_chain::convert): Call convert_registers.
7241 (convert_scalars_to_vector): Change to scalar_chain pointer to
7242 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
7243 in 32-bit mode. Delete scalar_chain pointer. Call
7244 free_dominance_info in 64-bit mode.
7245 (pass_stv::gate): Remove TARGET_64BIT check.
7246 (ix86_option_override): Put the 64-bit STV pass before the CSE
7249 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
7251 * dwarf2out.h (struct dw_loc_descr_node): Remove the
7252 dw_loc_frame_offset field.
7253 * dwarf2out.c (new_loc_descr): Likewise.
7254 (resolve_args_picking_1): Turn the VISITED hash set into a
7255 FRAME_OFFSET hash map. Use it to associate a frame offset to
7256 visited nodes. Remove uses of the CHECKING_P macro.
7257 (resolve_args_picking): Update call to resolve_args_picking_1.
7259 2016-04-27 Martin Liska <mliska@suse.cz>
7261 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
7262 (free_loop_data): Release vuses of groups.
7264 2016-04-27 Bin Cheng <bin.cheng@arm.com>
7266 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
7267 instead of redundant use_id and boolean have_use_for.
7268 (struct iv_use): Change sub_id into group_id. Remove field next.
7269 Move fields: related_cands, n_map_members, cost_map and selected
7271 (struct iv_group): ... here. New structure.
7272 (struct iv_common_cand): Use structure declaration directly.
7273 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
7274 (MAX_CONSIDERED_USES): Rename macro to ...
7275 (MAX_CONSIDERED_GROUPS): ... here.
7276 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
7277 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
7278 (dump_uses): Rename to ...
7279 (dump_groups): ... here. Update all uses.
7280 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
7281 (find_induction_variables): Refactor format of dump information.
7282 (record_sub_use): Delete.
7283 (record_use): Update all uses.
7284 (record_group): New function.
7285 (record_group_use, find_interesting_uses_op): Call above functions.
7287 (find_interesting_uses_cond): Ditto.
7288 (group_compare_offset): New function.
7289 (split_all_small_groups): Rename to ...
7290 (split_small_address_groups_p): ... here. Update all uses.
7291 (split_address_groups): Update all uses.
7292 (find_interesting_uses): Refactor format of dump information.
7293 (add_candidate_1): Update all uses. Remove redundant check on iv,
7295 (add_candidate, record_common_cand): Remove redundant assert.
7296 (add_iv_candidate_for_biv): Update use.
7297 (add_iv_candidate_derived_from_uses): Update all uses.
7298 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
7299 (alloc_use_cost_map): Ditto.
7300 (set_use_iv_cost, get_use_iv_cost): Rename to ...
7301 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
7302 (determine_use_iv_cost_generic): Ditto.
7303 (determine_group_iv_cost_generic): Ditto.
7304 (determine_use_iv_cost_address): Ditto.
7305 (determine_group_iv_cost_address): Ditto.
7306 (determine_use_iv_cost_condition): Ditto.
7307 (determine_group_iv_cost_cond): Ditto.
7308 (determine_use_iv_cost): Ditto.
7309 (determine_group_iv_cost): Ditto.
7310 (set_autoinc_for_original_candidates): Update all uses.
7311 (find_iv_candidates): Update all uses. Refactor dump information.
7312 (determine_use_iv_costs): Ditto.
7313 (determine_iv_costs): Ditto.
7314 (iv_ca_cand_for_use): Rename to ...
7315 (iv_ca_cand_for_group): ... here. Update all uses.
7316 (iv_ca_add_use, iv_ca_add_group): Ditto.
7317 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
7318 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
7319 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
7320 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
7321 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
7322 (create_new_iv, adjust_iv_update_pos): Ditto.
7323 (rewrite_use_address): Delete.
7324 (rewrite_use_address_1): Rename to ...
7325 (rewrite_use_address): ... here.
7326 (rewrite_use_compare): Update all uses.
7327 (rewrite_use): Delete.
7328 (rewrite_uses): Rename to ...
7329 (rewrite_groups): ... here. Update all uses.
7330 (remove_unused_ivs, free_loop_data): Update all uses.
7331 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
7333 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7335 * rtlanal.c (nonzero_bits1): Convert preprocessor check
7336 for WORD_REGISTER_OPERATIONS to runtime check.
7338 2016-04-27 Richard Biener <rguenther@suse.de>
7341 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
7342 aggregate_value_p to determine if a function result is
7343 returned by reference.
7344 (ipa_pta_execute): Functions having their address taken are
7345 not automatically nonlocal.
7347 2016-04-27 Jakub Jelinek <jakub@redhat.com>
7350 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
7351 * fold-const.c (operand_equal_p): If flag_checking and
7352 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
7353 and if it returns non-zero, assert iterative_hash_expr on both
7356 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
7358 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
7360 2016-04-27 Nick Clifton <nickc@redhat.com>
7363 * varasm.c (merge_weak): Generate an error if an attempt is made
7364 to convert a non-weak static function into a weak, public function.
7366 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7368 * params.def (MAX_PARTITION_SIZE): New param.
7369 * doc/invoke.texi: Document lto-max-partition.
7371 2016-04-27 Richard Biener <rguenther@suse.de>
7374 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
7375 function cummulating used_from_other_partition, externally_visible
7376 and force_output from aliases.
7377 (refered_from_nonlocal_var): Likewise.
7378 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
7379 node flags properly.
7381 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
7383 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
7384 (-Wmemset-elt-size): New item.
7386 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
7389 * stor-layout.h (internal_reference_types): Delete.
7390 * stor-layout.c (reference_types_internal): Likewise.
7391 (internal_reference_types): Likewise.
7392 (layout_type) <REFERENCE_TYPE>: Adjust.
7394 2016-04-27 Jakub Jelinek <jakub@redhat.com>
7397 * tree.h (inchash::add_expr): Add FLAGS argument.
7398 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
7399 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
7400 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
7401 Formatting fix. Adjust recursive calls. For tcc_comparison,
7402 if swap_tree_comparison (code) is smaller than code, hash that
7403 and arguments in the other order. Hash CONVERT_EXPR the same
7404 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
7405 of ADDR_EXPR of decl as the decl itself. Add or remove
7406 OEP_ADDRESS_OF from recursive flags as needed. For
7407 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
7408 operands commutatively and only the third one normally.
7409 For internal CALL_EXPR hash in CALL_EXPR_IFN.
7411 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
7413 * config/rtems.h (LIB_SPEC): Add -latomic.
7415 2016-04-27 Joel Sherrill <joel@rtems.org>
7417 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
7418 xilink.ld and flags not relevant to RTEMS.
7420 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
7422 * toplev.c (backend_init_target): Avoid calling init_reload when using
7425 2016-04-26 Jakub Jelinek <jakub@redhat.com>
7427 * reorg.c (try_merge_delay_insns): Declare i and j inside the
7428 for loops rather than one for the whole function.
7430 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
7432 * match.pd (X + CST CMP X): New transformation.
7434 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
7436 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
7437 * fold-const.c (fold_binary_loc): Remove 2 transformations
7438 superseded by match.pd.
7439 * match.pd (x+x -> x*2): Generalize to integers.
7441 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
7443 * config/i386/i386.md (operation on memory peephole): Duplicate an
7444 existing peephole and adapt it to match lea rather than an operation
7447 PR rtl-optimization/57193
7448 * opts.c (default_options_table): Add OPT_frename_registers at -O2
7450 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
7452 2016-04-26 Bin Cheng <bin.cheng@arm.com>
7454 * tree-if-conv.c (any_pred_load_store): New static variable.
7455 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
7456 any_pred_load_store instead of and_mask_load_store.
7457 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
7458 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
7459 (combine_blocks, tree_if_conversion): Ditto.
7461 2016-04-26 Bin Cheng <bin.cheng@arm.com>
7463 PR tree-optimization/70771
7464 PR tree-optimization/70775
7465 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
7466 virtual PHI nodes. Delete parameter.
7467 (if_convertible_loop_p_1): Delete argument to above function.
7468 (predicate_all_scalar_phis): Delete code handling single-argument
7470 (tree_if_conversion): Mark and update virtual SSA.
7472 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7475 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
7476 (x86_elf_aligned_common): Rename to ...
7477 (x86_elf_aligned_decl_common): ... this.
7478 Add decl arg. Switch to .lbss for largecomm object. Use
7479 LARGECOMM_SECTION_ASM_OP.
7480 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
7482 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
7483 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
7485 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7486 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
7488 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7491 * config/i386/i386.c (SECTION_LARGE): Define.
7492 (x86_64_elf_select_section): Set it for large data/bss sections.
7493 Only clear SECTION_WRITE for .lrodata.
7494 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
7496 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
7497 * varasm.c (default_elf_asm_named_section): Grow flagchars.
7498 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
7500 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
7501 * doc/tm.texi: Regenerate.
7503 2016-04-26 Jakub Jelinek <jakub@redhat.com>
7506 * configure.ac (--enable-checking): Document extra flag, for
7507 non-release builds default to --enable-checking=yes,extra.
7508 If misc checking and extra checking, define CHECKING_P to 2 instead
7510 * common.opt (fchecking=): Add.
7511 * doc/invoke.texi (-fchecking=): Document.
7512 * doc/install.texi: Document --enable-checking changes.
7513 * configure: Regenerated.
7514 * config.in: Regenerated.
7516 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
7518 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
7519 attribute instead of which_alternative.
7520 * config/i386/sse.md (*mov<mode>_internal): Ditto.
7521 Use EXT_REX_SSE_REG_P where appropriate.
7523 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
7525 * config/i386/predicates.md (const0_operand): Do not match
7526 const_wide_int code.
7527 (const1_operand): Ditto.
7529 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
7531 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
7532 for SSE constm1 operands and TARGET_AVX512VL.
7533 (*movti_internal): Ditto.
7534 (*mov<mode>_or): Use constm1_operand predicate.
7535 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
7536 for SSE vector_all_ones operands and TARGET_AVX512VL.
7537 * config/i386/predicates.md (constm1_operand): New predicate.
7538 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
7539 emission of constant -1 load.
7541 2016-04-25 Jason Merrill <jason@redhat.com>
7543 * gdbinit.in: Skip is-a.h.
7545 * attribs.c (register_scoped_attributes): Fix logic.
7546 * attribs.h: Declare register_scoped_attributes.
7548 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7550 * config/rs6000/rs6000-builtin.def: Correct pasto error for
7551 stxvd2x and stxvw4x built-in functions.
7553 2016-04-25 DJ Delorie <dj@redhat.com>
7555 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
7556 (ashrhi3): Likewise.
7557 (lshrhi3): Likewise.
7559 2016-04-25 Richard Biener <rguenther@suse.de>
7561 PR tree-optimization/70780
7562 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
7564 (compute_antic): Mark blocks with abnormal preds as visited as
7565 they have a final empty antic-in solution already.
7567 2016-04-25 Michael Collison <michael.collison@linaro.org>
7569 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
7571 2016-04-25 Michael Collison <michael.collison@linaro.org>
7573 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
7574 mode is VQI to improve mixed mode vectorization.
7575 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
7576 define_insn to match low half of signed vaddw.
7577 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
7578 define_insn to match high half of signed vaddw.
7579 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
7580 define_insn to match low half of unsigned vaddw.
7581 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
7582 define_insn to match high half of unsigned vaddw.
7583 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
7584 (arm_simd_check_vect_par_cnst_half_p): Likewise.
7585 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
7587 (arm_simd_check_vect_par_cnst_half_p): Likewise.
7588 * config/arm/predicates.md (vect_par_constant_high): Support
7589 big endian and simplify by calling
7590 arm_simd_check_vect_par_cnst_half
7591 (vect_par_constant_low): Likewise.
7593 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
7595 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
7596 predicate for operand 2.
7598 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
7599 H.J. Lu <hongjiu.lu@intel.com>
7601 * config/i386/i386-protos.h (standard_sse_constant_p): Add
7602 machine_mode argument.
7603 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
7604 constm1_rtx operands. For VOIDmode constants, get mode from
7605 pred_mode. Check mode size if the mode is supported by ABI.
7606 (standard_sse_constant_opcode): Do not use standard_constant_p.
7607 Strictly check ABI support for all-ones operands.
7608 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
7609 immediates. Update calls to standard_sse_constant_p.
7610 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
7611 (ix86_rtx_costs): Ditto.
7612 * config/i386/i386.md (*movxi_internal_avx512f): Use
7613 nonimmediate_or_sse_const_operand instead of vector_move_operand.
7614 Use (v,BC) alternative instead of (v,C). Use register_operand
7615 checks instead of MEM_P.
7616 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
7617 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
7618 isa attribute. Use register_operand checks instead of MEM_P.
7619 (*movti_internal): Use nonimmediate_or_sse_const_operand for
7620 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
7621 alternative and corresponding sse2 isa attribute.
7622 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
7623 to standard_sse_constant_p.
7624 (FP constant splitters): Ditto.
7625 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
7627 * config/i386/predicates.md (constm1_operand): Remove.
7628 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
7629 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
7630 vector_all_ones_operand instead of constm1_operand.
7632 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
7634 * print-rtl.c (print_rtx_insn_vec): New function.
7635 * print-rtl.h: New prototype.
7636 * store-motion.c (struct st_expr): Make avail_stores a vector.
7637 (st_expr_entry): Adjust.
7638 (free_st_expr_entry): Likewise.
7639 (print_store_motion_mems): Likewise.
7640 (find_moveable_store): Likewise.
7641 (compute_store_table): Likewise.
7642 (delete_store): Likewise.
7643 (build_store_vectors): Likewise.
7645 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
7647 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
7649 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
7651 * vec.h (vec_safe_contains): New function.
7652 (vec::contains): Likewise.
7653 (vec::begin): Likewise.
7654 (vec::end): Likewise.
7656 2016-04-23 Jakub Jelinek <jakub@redhat.com>
7659 * cfgexpand.c (expand_stack_vars): Fix typo.
7661 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
7663 * system.h (list, map, set, vector): Include conditionally.
7664 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
7665 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
7666 * ipa-icf.c (INCLUDE_LIST): Define.
7667 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
7668 * config/sh/sh.c (INCLUDE_VECTOR): Define.
7669 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
7670 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
7671 * cp/logic.cc (INCLUDE_LIST): Define.
7672 * fortran/trans-common.c (INCLUDE_MAP): Define.
7674 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
7676 * auto-profile.c: Remove <string.h> include.
7677 * ipa-icf-gimple.c: Remove <list> include.
7678 * diagnostic.c: Remove <new> include.
7679 * genmatch.c: Likewise.
7680 * pretty-print.c: Likewise.
7681 * toplev.c: Likewise
7682 * c/c-objc-common.c: Likewise.
7683 * cp/error.c: Likewise.
7684 * fortran/error.c: Likewise.
7686 2016-04-22 Richard Biener <rguenther@suse.de>
7688 * lto-streamer-in.c (input_ssa_names): Do not allocate
7689 GIMPLE_NOP for all SSA names.
7690 * lto-streamer-out.c (output_ssa_names): Do not output
7691 SSA names that should have been released.
7693 2016-04-22 Richard Biener <rguenther@suse.de>
7695 PR tree-optimization/70740
7696 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
7699 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
7702 * config/i386/predicates.md (call_insn_operand): Replace
7703 sibcall_memory_operand with memory_operand.
7705 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
7707 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
7708 has_single_use() tests.
7709 (register_edge_assert_for_1): Likewise.
7710 (find_assert_locations_1): Check the liveness bitmap instead of
7711 checking has_single_use().
7713 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
7716 * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
7717 Extract AVX-512BW constraint from AVX.
7719 2016-04-21 Richard Biener <rguenther@suse.de>
7721 PR tree-optimization/70725
7722 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
7723 for phi_convertible_by_degenerating_args.
7724 (predicate_all_scalar_phis): Handle single-argument PHIs.
7726 2016-04-21 Richard Biener <rguenther@suse.de>
7729 * fold-const.c (fold_comparison): Return properly typed
7732 2016-04-21 Bin Cheng <bin.cheng@arm.com>
7734 PR tree-optimization/70715
7735 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
7736 after expanding BASE using expand_simple_operations.
7738 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
7740 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
7741 New transformations.
7743 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
7745 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
7747 2016-04-20 Jan Hubicka <jh@suse.cz>
7749 * ipa-inline.c (can_inline_edge_p): Pass caller info to
7750 ultiimate_alias_target.
7751 (update_callee_keys): Likewise.
7752 (lookup_recursive_calls): Likewise.
7753 (speculation_useful_p): Likewise.
7755 2016-04-20 Jan Hubicka <jh@suse.cz>
7758 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
7759 (set_nothrow_flag_1): ... this; handle interposition correctly;
7760 recurse on aliases and thunks.
7761 (cgraph_node::set_nothrow_flag): New.
7762 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
7763 functions compiled with non-call exceptions that binds to current
7765 (propagate_nothrow): Be safe WRT interposition.
7766 * cgraph.h (set_nothrow_flag): Update prototype.
7768 2016-04-18 Jan Hubicka <jh@suse.cz>
7770 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7771 max_loop_iterations_int.
7772 (tree_unswitch_outer_loop): Likewise.
7774 2016-04-20 Bin Cheng <bin.cheng@arm.com>
7776 PR tree-optimization/69489
7777 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
7778 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
7779 Revise dump message.
7780 (if_convertible_bb_p): Remove check on edge count of basic block's
7783 2016-04-20 Bin Cheng <bin.cheng@arm.com>
7785 PR tree-optimization/56625
7786 PR tree-optimization/69489
7787 * tree-data-ref.h (DR_INNERMOST): New macro.
7788 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
7789 hashing struct innermost_loop_behavior.
7790 (ref_DR_map): Remove.
7791 (innermost_DR_map): New map.
7792 (baseref_DR_map): Revise comment.
7793 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
7794 to innermost_DR_map accroding to its innermost loop behavior.
7795 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
7796 to its innermost loop behavior.
7797 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
7798 Add initialization for innermost_DR_map. Record memory reference
7799 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
7800 have innermost loop behavior.
7801 (if_convertible_loop_p): Remove release for ref_DR_map. Release
7804 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
7806 * config/i386/i386.md (*lea<mode>_general_1): Rename from
7807 *lea_general_1. Use explicit SWI12 mode interator.
7808 (*lea<mode>_general_2): Rename from *lea_general_2.
7809 Use explicit SWI12 mode interator.
7810 (*lea<mode>_general_3): Rename from *lea_general_3.
7811 Use explicit SWI12 mode interator.
7812 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
7813 Use explicit SWI12 mode interator.
7814 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
7815 Use explicit SWI48 mode interator.
7817 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
7819 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
7820 Short-cut unaligned load and store cases. Handle all integer
7822 (ix86_expand_vector_move_misalign): Short-cut unaligned load
7823 and store cases. Call ix86_avx256_split_vector_move_misalign
7824 directly without checking mode class.
7826 2016-04-20 Andrew Pinski <apinski@cavium.com>
7827 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7830 * config/aarch64/aarch64.md (sibcall): Force call
7831 address to be DImode for ILP32.
7832 (sibcall_value): Likewise.
7834 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
7836 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
7838 2016-04-20 Richard Biener <rguenther@suse.de>
7840 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
7841 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
7842 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
7843 (maybe_push_res_to_seq): Adjust.
7844 * gimple-fold.c (maybe_build_generic_op): Likewise.
7846 2016-04-20 Marek Polacek <polacek@redhat.com>
7848 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
7851 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
7853 * config/i386/sse.md (vec_unpacks_lo_hi): Always
7854 use kmovw to support AVX512F target.
7856 2016-04-20 Bin Cheng <bin.cheng@arm.com>
7858 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
7860 2016-04-20 Marek Polacek <polacek@redhat.com>
7862 PR tree-optimization/70725
7863 * tree-if-conv.c (is_false_predicate): New function.
7864 (predicate_mem_writes): Use it.
7866 2016-04-20 Richard Biener <rguenther@suse.de>
7868 PR tree-optimization/70726
7869 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
7870 shift amounts from a pattern stmt operand.
7872 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7875 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
7876 stack_restore_from_fpr pattern when restoring r15.
7877 (s390_optimize_prologue): Strip away the memory barrier in the
7878 parallel when trying to get rid of restore insns.
7879 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
7880 definition for loading the stack pointer from an FPR. Compared to
7881 the normal move insn this pattern includes a full memory barrier.
7883 2016-04-19 Jakub Jelinek <jakub@redhat.com>
7886 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
7887 implicitly linear or lastprivate iterator on the outer context.
7889 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
7891 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
7893 * config/i386/i386.md (ssememalign): Removed.
7894 * config/i386/sse.md: Remove ssememalign attribute from patterns.
7896 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
7899 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
7900 const short * to __builtin_ia32_loaddquhi512_mask.
7901 (_mm512_maskz_loadu_epi16): Likewise.
7902 (_mm512_mask_storeu_epi16): Pass short * to
7903 __builtin_ia32_storedquhi512_mask.
7904 (_mm512_mask_loadu_epi8): Pass const char * to
7905 __builtin_ia32_loaddquqi512_mask.
7906 (_mm512_maskz_loadu_epi8): Likewise.
7907 (_mm512_mask_storeu_epi8): Pass char * to
7908 __builtin_ia32_storedquqi512_mask.
7909 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
7910 const double * to __builtin_ia32_loadupd512_mask.
7911 (_mm512_mask_loadu_pd): Likewise.
7912 (_mm512_maskz_loadu_pd): Likewise.
7913 (_mm512_storeu_pd): Pass double * to
7914 __builtin_ia32_storeupd512_mask.
7915 (_mm512_mask_storeu_pd): Likewise.
7916 (_mm512_loadu_ps): Pass const float * to
7917 __builtin_ia32_loadups512_mask.
7918 (_mm512_mask_loadu_ps): Likewise.
7919 (_mm512_maskz_loadu_ps): Likewise.
7920 (_mm512_storeu_ps): Pass float * to
7921 __builtin_ia32_storeups512_mask.
7922 (_mm512_mask_storeu_ps): Likewise.
7923 (_mm512_mask_loadu_epi64): Pass const long long * to
7924 __builtin_ia32_loaddqudi512_mask.
7925 (_mm512_maskz_loadu_epi64): Likewise.
7926 (_mm512_mask_storeu_epi64): Pass long long *
7927 to __builtin_ia32_storedqudi512_mask.
7928 (_mm512_loadu_si512): Pass const int * to
7929 __builtin_ia32_loaddqusi512_mask.
7930 (_mm512_mask_loadu_epi32): Likewise.
7931 (_mm512_maskz_loadu_epi32): Likewise.
7932 (_mm512_storeu_si512): Pass int * to
7933 __builtin_ia32_storedqusi512_mask.
7934 (_mm512_mask_storeu_epi32): Likewise.
7935 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
7936 char * to __builtin_ia32_storedquqi256_mask.
7937 (_mm_mask_storeu_epi8): Likewise.
7938 (_mm256_mask_loadu_epi16): Pass const short * to
7939 __builtin_ia32_loaddquhi256_mask.
7940 (_mm256_maskz_loadu_epi16): Likewise.
7941 (_mm_mask_loadu_epi16): Pass const short * to
7942 __builtin_ia32_loaddquhi128_mask.
7943 (_mm_maskz_loadu_epi16): Likewise.
7944 (_mm256_mask_loadu_epi8): Pass const char * to
7945 __builtin_ia32_loaddquqi256_mask.
7946 (_mm256_maskz_loadu_epi8): Likewise.
7947 (_mm_mask_loadu_epi8): Pass const char * to
7948 __builtin_ia32_loaddquqi128_mask.
7949 (_mm_maskz_loadu_epi8): Likewise.
7950 (_mm256_mask_storeu_epi16): Pass short * to.
7951 __builtin_ia32_storedquhi256_mask.
7952 (_mm_mask_storeu_epi16): Pass short * to.
7953 __builtin_ia32_storedquhi128_mask.
7954 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
7955 const double * to __builtin_ia32_loadupd256_mask.
7956 (_mm256_maskz_loadu_pd): Likewise.
7957 (_mm_mask_loadu_pd): Pass onst double * to
7958 __builtin_ia32_loadupd128_mask.
7959 (_mm_maskz_loadu_pd): Likewise.
7960 (_mm256_mask_storeu_pd): Pass double * to
7961 __builtin_ia32_storeupd256_mask.
7962 (_mm_mask_storeu_pd): Pass double * to
7963 __builtin_ia32_storeupd128_mask.
7964 (_mm256_mask_loadu_ps): Pass const float * to
7965 __builtin_ia32_loadups256_mask.
7966 (_mm256_maskz_loadu_ps): Likewise.
7967 (_mm_mask_loadu_ps): Pass const float * to
7968 __builtin_ia32_loadups128_mask.
7969 (_mm_maskz_loadu_ps): Likewise.
7970 (_mm256_mask_storeu_ps): Pass float * to
7971 __builtin_ia32_storeups256_mask.
7972 (_mm_mask_storeu_ps): ass float * to
7973 __builtin_ia32_storeups128_mask.
7974 (_mm256_mask_loadu_epi64): Pass const long long * to
7975 __builtin_ia32_loaddqudi256_mask.
7976 (_mm256_maskz_loadu_epi64): Likewise.
7977 (_mm_mask_loadu_epi64): Pass const long long * to
7978 __builtin_ia32_loaddqudi128_mask.
7979 (_mm_maskz_loadu_epi64): Likewise.
7980 (_mm256_mask_storeu_epi64): Pass long long * to
7981 __builtin_ia32_storedqudi256_mask.
7982 (_mm_mask_storeu_epi64): Pass long long * to
7983 __builtin_ia32_storedqudi128_mask.
7984 (_mm256_mask_loadu_epi32): Pass const int * to
7985 __builtin_ia32_loaddqusi256_mask.
7986 (_mm256_maskz_loadu_epi32): Likewise.
7987 (_mm_mask_loadu_epi32): Pass const int * to
7988 __builtin_ia32_loaddqusi128_mask.
7989 (_mm_maskz_loadu_epi32): Likewise.
7990 (_mm256_mask_storeu_epi32): Pass int * to
7991 __builtin_ia32_storedqusi256_mask.
7992 (_mm_mask_storeu_epi32): Pass int * to
7993 __builtin_ia32_storedqusi128_mask.
7994 * config/i386/i386-builtin-types.def (PCSHORT): New.
7996 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
7997 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
7998 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
7999 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8000 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8001 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8002 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8003 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8004 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8005 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8006 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8007 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8008 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8009 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8010 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8011 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8012 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8013 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8014 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8015 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8016 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8017 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8018 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8019 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8020 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8021 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8022 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8023 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8024 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8025 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8026 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8027 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8028 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8029 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8030 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8031 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8032 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8033 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8034 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8035 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8036 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8037 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8038 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8039 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8040 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8041 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8042 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8043 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8044 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8046 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8047 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8049 (ix86_expand_vector_move_misalign): Likewise.
8050 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8051 to scalar function prototype for unaligned load/store builtins.
8052 (ix86_expand_special_args_builtin): Updated.
8053 * config/i386/sse.md (UNSPEC_LOADU): Removed.
8054 (UNSPEC_STOREU): Likewise.
8055 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8056 (VI_ULOADSTORE_F_AVX512VL): Likewise.
8057 (ssescalarsize): Handle V4TI, V2TI and V1TI.
8058 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8059 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8060 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8061 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8062 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8063 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8064 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8065 (<avx512>_storedqu<mode>_mask): Likewise.
8066 (*sse4_2_pcmpestr_unaligned): Likewise.
8067 (*sse4_2_pcmpistr_unaligned): Likewise.
8068 (*mov<mode>_internal): Renamed to ...
8069 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
8070 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8071 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8072 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8074 2016-04-19 Richard Biener <rguenther@suse.de>
8076 PR tree-optimization/70171
8077 * tree-ssa-phiprop.c: Include stor-layout.h.
8078 (phiprop_insert_phi): Handle the aggregate copy case.
8079 (propagate_with_phi): Likewise.
8081 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
8083 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8084 instead of simplify_gen_subreg (... , 0).
8085 (ix86_delegitimize_address): Ditto.
8086 (ix86_split_divmod): Ditto.
8087 (ix86_split_copysign_const): Ditto.
8088 (ix86_split_copysign_var): Ditto.
8089 (ix86_expand_args_builtin): Ditto.
8090 (ix86_expand_round_builtin): Ditto.
8091 (ix86_expand_special_args_builtin): Ditto.
8092 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8093 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8094 (udivmodqi4): Ditto.
8095 (absneg splitters): Ditto.
8096 (*jcc_bt<mode>_1): Ditto.
8098 2016-04-19 Richard Biener <rguenther@suse.de>
8100 PR tree-optimization/70724
8101 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8102 restoring out from ...
8103 (free_scc_vn): ... here.
8104 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8105 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8107 (pass_fre::execute): Restore SSA info.
8109 2016-04-19 Richard Biener <rguenther@suse.de>
8111 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8112 * gimple-walk.c (walk_gimple_op): Initialize it.
8113 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8114 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8115 remapping SSA names of defs.
8116 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8119 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
8122 * lra-constraints.c (equiv_substition_p): New.
8123 (process_alt_operands): Use it.
8124 (swap_operands): Swap it.
8125 (curr_insn_transform): Update it.
8127 2016-04-18 Michael Matz <matz@suse.de>
8129 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8130 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8131 * tree-core.h (tree_type_common.align): Use bit-field.
8132 (tree_type_common.spare): New.
8133 (tree_decl_common.off_align): Make smaller.
8134 (tree_decl_common.align): Use bit-field.
8136 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8137 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8138 (scan_sharing_clauses): Ditto.
8139 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8140 (omp_finish_file): Ditto.
8141 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8142 (layout_decl): Ditto.
8143 (relayout_decl): Ditto.
8144 (finalize_record_size): Use SET_TYPE_ALIGN.
8145 (finalize_type_size): Ditto.
8146 (finish_builtin_struct): Ditto.
8147 (layout_type): Ditto.
8148 (initialize_sizetypes): Ditto.
8149 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8150 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8151 (lookup_field_for_decl): Use SET_DECL_ALIGN.
8152 (get_chain_field): Ditto.
8153 (get_trampoline_type): Ditto.
8154 (get_nl_goto_field): Ditto.
8155 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8157 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8158 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8159 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8160 (build_qualified_type): Use SET_TYPE_ALIGN.
8161 (build_aligned_type, build_range_type_1): Ditto.
8162 (build_atomic_base): Ditto.
8163 (build_common_tree_nodes): Ditto.
8164 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8165 (expand_one_stack_var_at): Ditto.
8166 * coverage.c (build_var): Use SET_DECL_ALIGN.
8167 * except.c (init_eh): Ditto.
8168 * function.c (assign_parm_setup_block): Ditto.
8169 * symtab.c (increase_alignment_1): Ditto.
8170 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8171 * tree-vect-stmts.c (ensure_base_align): Ditto.
8172 * varasm.c (align_variable): Ditto.
8173 (assemble_variable): Ditto.
8174 (build_constant_desc): Ditto.
8175 (output_constant_def_contents): Ditto.
8177 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8178 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8179 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8180 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8181 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8183 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
8186 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8187 replace %vmovsd with "%vmovq".
8188 (vec_concatv2df): Likewise.
8190 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
8192 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8193 (*vec_extractv2si_0): Ditto.
8194 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8195 (zero_extended_scalar_load_operand splitters): Ditto.
8196 (vec_extract splitters): Ditto.
8197 (*vec_extractv4si_0_zext): Ditto.
8198 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8200 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8201 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
8202 (*sse4_1_extractps): Use lowpart_subreg.
8203 * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
8205 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8207 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
8209 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
8210 Mention Solaris 11 packaging changes.
8211 Update gas and gld requirements.
8212 Remove reference to pre-Solaris 10 bug.
8213 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
8215 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
8218 2016-04-17 Jan Hubicka <jh@suse.cz>
8220 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
8221 max_loop_iterations_int.
8223 2016-04-18 Richard Biener <rguenther@suse.de>
8225 PR tree-optimization/43434
8226 * tree-ssa-structalias.c (struct vls_data): New.
8227 (visit_loadstore): Handle all pointer-based accesses.
8228 (compute_dependence_clique): Compute a bitmap of restrict tags
8229 assigned bases and pass it to visit_loadstore.
8231 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
8234 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
8235 armv8.1-a and armv8.1-a+crc.
8237 2016-04-18 Richard Biener <rguenther@suse.de>
8239 PR tree-optimization/70701
8240 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
8241 references after translating through a memcpy.
8243 2016-04-18 Richard Biener <rguenther@suse.de>
8245 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
8246 (compute_antic): ... here. For partial antic use regular
8247 postorder and scrap iteration.
8248 (compute_partial_antic_aux): Remove unused return value.
8249 (init_pre): Do not allocate postorder.
8250 (fini_pre): Do not free postorder.
8252 2016-04-18 Richard Biener <rguenther@suse.de>
8255 * expmed.c (extract_bit_field_1): Remove broken case
8256 using a wider MODE_INT mode.
8258 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
8260 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
8261 unless compiling with at least GCC-4.8.
8263 2016-04-17 Jan Hubicka <jh@suse.cz>
8266 * graphite.c (graphite_finalize): Update call to
8267 tree_estimate_probability.
8268 * predict.h (tree_estimate_probability): Update prototype.
8270 2016-04-17 Jan Hubicka <jh@suse.cz>
8272 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
8273 (tree_estimate_probability): Likewise.
8274 (pass_profile::execute): Update.
8275 (report_predictor_hitrates): New function.
8276 * profile.c (compute_branch_probabilities): Use it.
8277 * predict.h (report_predictor_hitrates): Declare.
8279 2016-04-17 Jan Hubicka <jh@suse.cz>
8282 * cgraph.h (cgraph_node::set_const_flag,
8283 cgraph_node::set_pure_flag): Update prototype to return bool;
8285 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
8286 of interposable symbol are interposable, too.
8287 (cgraph_set_const_flag_1): Rename to ...
8288 (set_const_flag_1): ... this one; change to self recursive function
8289 instead of call_for_symbol_thunks_and_aliases. Handle correctly
8290 clearnig the flag in all variants and also virtual thunks of const
8291 functions are pure; track if any change was done.
8292 (cgraph_node::set_const_flag): Update.
8293 (struct set_pure_flag_info): New struct.
8294 (cgraph_set_pure_flag_1): Rename to ...
8295 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
8296 rather than pointer encoded flags; track if any changes was done;
8297 handle correctly clearning flag and setting flag of aliases already
8299 (cgraph_node::set_pure_flag): Update.
8300 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
8302 2016-04-17 Tom de Vries <tom@codesourcery.com>
8305 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
8308 2016-04-17 Tom de Vries <tom@codesourcery.com>
8310 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
8311 '{}<> ' as escape-for-record.
8313 2016-04-17 Tom de Vries <tom@codesourcery.com>
8315 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
8318 2016-04-17 Tom de Vries <tom@codesourcery.com>
8321 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
8322 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
8323 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
8324 * passes.c (finish_optimization_passes): Only call
8325 finish_graph_dump_file if dfi->graph_dump_initialized.
8326 (execute_function_dump, pass_init_dump_file): Use
8327 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
8329 2016-04-17 Tom de Vries <tom@codesourcery.com>
8331 PR tree-optimization/70256
8332 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
8333 (debug_varmap): New function.
8335 2016-04-17 Tom de Vries <tom@codesourcery.com>
8338 * passes.c (pass_manager::register_pass): Propagate pflags.
8340 2016-04-17 Tom de Vries <tom@codesourcery.com>
8343 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
8344 * passes.c (pass_manager::pass_manager): Declare and init p_start in
8345 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
8346 check if it's equal to p_start.
8347 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
8349 2016-04-15 Jan Hubicka <jh@suse.cz>
8352 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
8353 function does not bind to current def.
8354 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
8355 handle conservatively calls to functions that does not need to bind
8357 (check_call): Update call of worse_state.
8358 (ignore_edge_for_nothrow): Update.
8359 (ignore_edge_for_pure_const): Likewise.
8360 (propagate_pure_const): Update calls to worse_state.
8361 (skip_function_for_local_pure_const): Reformat comments.
8363 2016-04-15 Jan Hubicka <jh@suse.cz>
8366 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
8367 (cgraph_node::function_symbol): Likewise.
8368 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8369 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
8370 (symtab_node::ultimate_alias_target): Add REF parameter.
8371 (symtab_node::binds_to_current_def_p): Declare.
8372 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
8373 (cgraph_node::function_symbol): Likewise.
8374 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8375 (cgraph_node::get_availability): Likewise.
8376 (cgraph_edge::binds_to_current_def_p): New inline function.
8377 (varpool_node::get_availability): Add REF parameter.
8378 (varpool_node::ultimate_alias_target): Likewise.
8379 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
8380 (symtab_node::binds_to_current_def_p): Likewise.
8381 * varpool.c (varpool_node::get_availability): Likewise.
8383 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
8386 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
8387 Fix mode size check.
8389 2016-04-15 Jakub Jelinek <jakub@redhat.com>
8391 * BASE-VER: Set to 7.0.0.
8393 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
8395 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
8397 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8399 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
8400 architecture revisions.
8402 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
8404 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
8405 * config/i386/i386.c (ix86_using_red_zone): No longer static.
8406 * config/i386/i386.md (stack decrement to push peepholes): Guard
8407 with !x86_using_red_zone ().
8409 2016-04-15 Jakub Jelinek <jakub@redhat.com>
8412 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
8413 to dump_generic_node.
8414 (NIY): Pass also flags to do_niy.
8416 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
8418 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
8419 (simd_clone_vector_of_formal_parm_types)
8420 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
8421 (simd_clone_mangle, simd_clone_create)
8422 (simd_clone_adjust_return_type, create_tmp_simd_array)
8423 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
8424 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
8425 (ipa_simd_modify_function_body, simd_clone_linear_addend)
8426 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
8427 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
8428 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
8429 * omp-simd-clone.c: ... this new file.
8430 (simd_clone_vector_of_formal_parm_types): Make it static.
8431 * Makefile.in (OBJS): Add omp-simd-clone.o.
8433 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
8436 * config/i386/sse.md: Use proper memory operand modifiers.
8439 2016-04-15 Richard Biener <rguenther@suse.de>
8440 Alan Modra <amodra@gmail.com>
8442 PR tree-optimization/70130
8443 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
8444 when alignment stays not the same and no not use the realign
8447 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8450 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
8451 direct move handlers for KFmode. Change TFmode handlers test from
8452 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
8454 2016-04-14 Jakub Jelinek <jakub@redhat.com>
8457 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
8458 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
8459 (inlined_polymorphic_ctor_dtor_block_p): Use it.
8460 * tree-ssa-live.c (remove_unused_scope_block_p): When
8461 in_ctor_dtor_block, avoid discarding not just BLOCKs with
8462 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
8463 block_ultimate_origin is FUNCTION_DECL.
8464 (remove_unused_locals): If current_function_decl is
8465 polymorphic_ctor_dtor_p, pass initial true to
8466 remove_unused_scope_block_p' is_ctor_dtor_block.
8468 2016-04-14 Martin Sebor <msebor@redhat.com>
8473 * doc/extend.texi (Variable Length): Revert.
8475 2016-04-14 Marek Polacek <polacek@redhat.com>
8476 Jan Hubicka <hubicka@ucw.cz>
8479 * tree.c (verify_type): Disable the canonical type of main variant
8482 2016-04-14 Jason Merrill <jason@redhat.com>
8484 * cfgexpand.c, expr.c: Revert previous change.
8486 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
8489 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
8490 when building a mem ref for the incoming reduction variable.
8492 2016-04-14 Richard Biener <rguenther@suse.de>
8494 PR tree-optimization/70614
8495 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
8496 loop if the evolution dropped to chrec_dont_know.
8497 (interpret_condition_phi): Likewise.
8499 2016-04-14 Richard Biener <rguenther@suse.de>
8501 PR tree-optimization/70623
8502 * tree-ssa-pre.c (changed_blocks): Make global ...
8503 (compute_antic): ... local here. Move and fix worklist
8504 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
8505 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
8506 worklist handling, dump when ANTIC_IN changed.
8507 (compute_partial_antic_aux): Remove worklist handling.
8508 (init_pre): Do not compute post dominators. Add a comment about
8509 the CFG order chosen.
8510 (fini_pre): Do not free post dominators.
8512 2016-04-13 Martin Sebor <msebor@redhat.com>
8517 * doc/extend.texi (Variable Length): Document C++ specifics.
8519 2016-04-13 Jakub Jelinek <jakub@redhat.com>
8522 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
8523 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
8524 eh edges have been purged.
8527 * tree-sra.c (create_access_replacement,
8528 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
8530 * tree-pretty-print.c (dump_fancy_name): New function.
8531 (dump_decl_name, dump_generic_node): Use it.
8533 2016-04-13 Jason Merrill <jason@redhat.com>
8535 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
8536 * expr.c (expand_expr_real_1): Likewise.
8538 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
8540 * config/i386/i386.md (kunpckhi): Swap operands.
8541 (kunpcksi): Likewise.
8542 (kunpckdi): Likewise.
8543 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
8544 (vec_pack_trunc_<mode>): Likewise.
8546 2016-04-13 Jakub Jelinek <jakub@redhat.com>
8549 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
8552 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
8553 gimplification turns some element into non-constant.
8556 * rtl.h (convert_memory_address_addr_space_1): New prototype.
8557 * explow.c (convert_memory_address_addr_space_1): No longer static,
8558 add NO_EMIT argument and don't call convert_modes if true, pass
8559 it down recursively, remove break after return.
8560 (convert_memory_address_addr_space): Adjust caller.
8561 * simplify-rtx.c (simplify_unary_operation_1): Call
8562 convert_memory_address_addr_space_1 instead of convert_memory_address,
8563 if it returns NULL, don't simplify.
8565 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
8568 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
8570 2016-04-12 Jakub Jelinek <jakub@redhat.com>
8572 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8573 Bump the upper SIMDLEN limits, so that if the return type or
8574 characteristic type if the return type is void can be passed in
8575 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
8578 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
8581 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
8582 Do not use "=" constraint on an input constraint.
8583 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
8584 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
8585 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
8586 generates (neg (abs ...)) instead of (abs ...).
8588 2016-04-12 Jakub Jelinek <jakub@redhat.com>
8590 PR rtl-optimization/70596
8591 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
8592 just invalidate LRA data and reset them. Adjust dump wording.
8594 2016-04-12 Martin Liska <mliska@suse.cz>
8597 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
8599 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
8601 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8602 max_loop_iterations_int.
8603 (tree_unswitch_outer_loop): Likewise.
8604 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
8605 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
8607 2016-04-12 Tom de Vries <tom@codesourcery.com>
8609 PR tree-optimization/68756
8610 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
8611 instead of new_name.
8613 2016-04-12 Jakub Jelinek <jakub@redhat.com>
8615 PR tree-optimization/70602
8616 * tree-sra.c (generate_subtree_copies): Don't write anything into
8617 constant pool decls.
8619 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
8620 regardless whether there are depend clauses or not.
8622 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
8625 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
8626 target attribute and pragma from changing the -mfloat128
8627 and -mfloat128-hardware options.
8629 * doc/extend.texi (Additional Floating Types): Document PowerPC
8630 __float128 restrictions.
8632 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
8635 * config/aarch64/driver-aarch64.c
8636 (aarch64_get_extension_string_for_isa_flags): New.
8637 (arch_extension): Rename to...
8638 (aarch64_arch_extension): ...This.
8639 (ext_to_feat_string): Rename to...
8640 (aarch64_extensions): ...This.
8641 (aarch64_core_data): Keep track of architecture extension flags.
8642 (cpu_data): Rename to...
8643 (aarch64_cpu_data): ...This.
8644 (aarch64_arch_driver_info): Keep track of architecture extension
8646 (get_arch_name_from_id): Rename to...
8647 (get_arch_from_id): ...This, change return type.
8648 (host_detect_local_cpu): Update and reformat for renames, handle
8649 extensions through common infrastructure.
8651 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
8654 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
8655 track of a canonical flag name.
8656 (all_extensions): Likewise.
8657 (arch_to_arch_name): Also track extension flags enabled by the arch.
8658 (all_architectures): Likewise.
8659 (aarch64_parse_extension): Move to here.
8660 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
8662 (aarch64_rewrite_selected_cpu): Update for above change.
8663 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
8664 are handled, such that the single explicit value enabled by an
8665 extension is kept seperate from the implicit values it also enables.
8666 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
8668 (aarch64_parse_extension): New.
8669 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
8670 here to config/aarch64/aarch64-protos.h.
8671 (aarch64_parse_extension): Move from here to
8672 common/config/aarch64/aarch64-common.c.
8673 (aarch64_option_print): Update.
8674 (aarch64_declare_function_name): Likewise.
8675 (aarch64_start_file): Likewise.
8676 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
8677 the canonical flag for extensions.
8678 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
8681 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
8683 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
8686 2016-04-09 Tom de Vries <tom@codesourcery.com>
8688 PR tree-optimization/68953
8689 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
8690 first to last subscript.
8692 2016-04-09 Jakub Jelinek <jakub@redhat.com>
8694 PR tree-optimization/70586
8695 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
8698 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
8702 PR tree-optimization/70373
8706 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
8707 clauses for acc parallel reductions as necessary. Error on those
8709 * omp-low.c (scan_sharing_clauses): Don't install variables which
8710 are used in acc parallel reductions.
8711 (lower_rec_input_clauses): Remove dead code.
8712 (lower_oacc_reductions): Add support for reference reductions.
8713 (lower_reduction_clauses): Remove dead code.
8714 (lower_omp_target): Don't remap variables appearing in acc parallel
8716 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
8718 2016-04-08 Jakub Jelinek <jakub@redhat.com>
8721 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
8722 with multiple SSA_NAME defs, force the outputs other than first
8723 to be live before calling live_track_process_def on each output.
8725 PR rtl-optimization/70574
8726 * fwprop.c (forward_propagate_and_simplify): Don't add
8727 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
8728 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
8729 paradoxical subregs within *loc.
8731 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
8733 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
8734 -ftree-parallelize-loops={0,1}.
8735 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
8736 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
8737 * config/ia64/hpux.h (LIB_SPEC): Likewise.
8738 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
8739 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
8741 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
8744 * asan.c (instrument_derefs): If we get unknown location, extract it
8746 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
8748 2016-04-08 Tom de Vries <tom@codesourcery.com>
8750 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
8751 implicit firstprivate clause.
8753 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8756 * config/arm/thumb2.md (tst + branch-> lsls + branch
8757 peephole below *orsi_not_shiftsi_si): Require that condition
8758 register is dead after the peephole.
8759 (second peephole after the above): Likewise.
8761 2016-04-08 Alan Modra <amodra@gmail.com>
8764 * builtins.c (fold_builtin_classify): For IBM extended precision,
8765 look at just the high-order double to test for NaN.
8766 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
8767 test just the high double for Inf but both doubles for subnormal
8770 2016-04-07 Jakub Jelinek <jakub@redhat.com>
8772 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
8773 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
8774 node->simdclone->mask_mode != VOIDmode masks.
8775 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
8776 earlier, use it instead of node->simdclone.
8777 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8778 Set clonei->mask_mode.
8780 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
8783 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
8784 Pass it through to cp_parser_already_scoped_statement.
8785 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
8786 it through to cp_parser_statement.
8787 (cp_parser_statement): Pass IF_P through to
8788 cp_parser_iteration_statement.
8789 (cp_parser_pragma): Adjust call to
8790 cp_parser_iteration_statement.
8792 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
8795 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
8796 resolve a future -Wparentheses warning.
8797 * omp-low.c (scan_sharing_clauses): Likewise.
8798 * tree-parloops.c (eliminate_local_variables): Likewise.
8800 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
8802 PR rtl-optimization/70398
8803 * lra-constraints.c (process_address_1): Check zero scale and code
8804 for reloading with zero scale.
8806 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
8808 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
8809 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
8811 2016-04-06 Jakub Jelinek <jakub@redhat.com>
8813 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8814 Add support for AVX512F clones, include them by default for
8815 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
8816 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
8820 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
8821 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
8822 firstprivate clauses.
8823 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
8824 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
8825 (lower_omp_target): Set TREE_NO_WARNING for
8826 non-addressable possibly uninitialized vars which are copied into
8827 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
8829 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
8831 * config/pa/predicates.md (integer_store_memory_operand): Accept
8832 REG+D operands with a large offset when reload_in_progress is true.
8833 (floating_point_store_memory_operand): Likewise.
8835 2016-04-05 Jakub Jelinek <jakub@redhat.com>
8838 * match.pd (nested int casts): Limit to GIMPLE.
8840 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
8843 * ipa-devirt.c (maybe_record_node): Fix comment; use
8844 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
8846 2016-04-05 Jakub Jelinek <jakub@redhat.com>
8848 PR rtl-optimization/70542
8849 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
8850 if there are any uses other than insn or debug insns.
8852 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
8853 Jakub Jelinek <jakub@redhat.com>
8855 PR tree-optimization/70509
8856 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
8857 Shift HOST_WIDE_INT_1U instead of 1.
8859 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
8861 PR tree-optimization/70509
8862 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
8863 of the vector base type for index.
8865 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
8868 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
8870 2016-04-05 Richard Biener <rguenther@suse.de>
8872 PR tree-optimization/70526
8873 * tree-sra.c (build_ref_for_offset): Use prev_base to
8874 extract the alias pointer type.
8876 2016-04-05 Richard Biener <rguenther@suse.de>
8878 * dse.c (struct store_info): Remove alias_set member.
8879 (struct read_info_type): Likewise.
8880 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
8881 spill_deleted, clear_alias_set_lookup): Remove.
8882 (get_group_info): Remove dead base == NULL_RTX case.
8883 (dse_step0): Remove initialization of removed variables.
8884 (delete_dead_store_insn): Reomve alias set dumping.
8885 (free_read_records): Remove alias_set handling.
8886 (canon_address): Remove alias_set_out parameter.
8887 (record_store): Remove spill_alias_set, it's always zero.
8888 (check_mem_read_rtx): Likewise.
8889 (dse_step2): Rename from ...
8890 (dse_step2_nospill): ... this. Adjust.
8891 (scan_stores): Rename from ...
8892 (scan_stores_nospill): ... this.
8893 (scan_reads): Rename from ...
8894 (scan_reads_nospill): ... this.
8895 (scan_stores_spill, scan_reads_spill): Remove.
8896 (dse_step3_scan): Remove for_spills argument which is always false.
8897 (dse_step3): Likewise.
8898 (dse_step5): Rename from ...
8899 (dse_step5_nospill): ... this. Remove alias_set handling.
8900 (rest_of_handle_dse): Adjust.
8902 2016-04-05 Jakub Jelinek <jakub@redhat.com>
8905 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
8906 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
8907 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
8908 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
8910 2016-04-05 Richard Biener <rguenther@suse.de>
8913 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
8914 non-register type temporaries into SSA.
8916 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
8919 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
8920 calls when sanitizing.
8921 (possible_polymorphic_call_target_p): Fix formatting.
8923 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8924 Jakub Jelinek <jakub@redhat.com>
8927 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
8928 to ensure a call statement is compatible with a built-in's
8930 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
8933 2016-04-04 Richard Biener <rguenther@suse.de>
8935 PR rtl-optimization/70484
8936 * rtl.h (canon_output_dependence): Declare.
8937 * alias.c (canon_output_dependence): New function.
8938 * dse.c (record_store): Use canon_output_dependence rather
8939 than canon_true_dependence.
8941 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
8944 * cgraph.h (symtab_node::copy_visibility_from): New function.
8945 * symtab.c (symtab_node::copy_visibility_from): New function.
8946 * ipa-visibility.c (optimize_weakref): New function.
8947 (function_and_variable_visibility): Use it.
8949 2016-04-04 Martin Liska <mliska@suse.cz>
8952 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
8953 value that is really in range handled by SBR instruction.
8954 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
8955 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
8956 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
8958 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
8962 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
8963 set, but not for SP_REG operands.
8965 2016-04-02 Martin Sebor <msebor@redhat.com>
8968 * fold-const.c (maybe_nonzero_address): New function.
8969 (fold_comparison): Call it. Fold equality and relational
8970 expressions involving null pointers.
8971 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
8973 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
8975 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
8976 the "Y" constraint (scalar FP 0.0 immediate).
8978 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
8979 Add the "const_double" to the list of operand constraints.
8981 2016-04-01 Jakub Jelinek <jakub@redhat.com>
8983 PR rtl-optimization/70467
8984 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
8985 If low word of the last operand is 0, just emit addition/subtraction
8988 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8991 * config/s390/s390.c (s390_expand_insv): Check for everything
8992 constant instead of just VOIDmode stuff.
8994 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8997 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
8999 2016-04-01 Nathan Sidwell <nathan@acm.org>
9001 * tree.def (TRY_CATCH_EXPR): Correct documentation.
9003 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
9005 PR rtl-optimization/70461
9006 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9009 2016-03-31 Martin Liska <mliska@suse.cz>
9012 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9013 a tree value or an immediate integer value to a buffer
9014 that is eventually copied to a BRIG section.
9015 (emit_immediate_operand): Call the function here.
9016 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9017 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9018 of class' fields that are removed.
9019 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9020 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9021 m_brig_repr_size fields.
9023 2016-03-31 Martin Liska <mliska@suse.cz>
9026 * hsa-gen.c (hsa_function_representation::update_dominance): New
9028 (convert_addr_to_flat_segment): Likewise.
9029 (gen_hsa_memory_set): New alignment argument.
9030 (gen_hsa_ctor_assignment): Likewise.
9031 (gen_hsa_insns_for_single_assignment): Provide alignment
9032 to gen_hsa_ctor_assignment.
9033 (gen_hsa_insns_for_direct_call): Add new argument.
9034 (expand_lhs_of_string_op): New function.
9035 (expand_string_operation_builtin): Likewise.
9036 (expand_memory_copy): New function.
9037 (expand_memory_set): New function.
9038 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9039 (convert_switch_statements): Change signature.
9040 (generate_hsa): Use a return value of the function.
9041 (pass_gen_hsail::execute): Do not call
9042 convert_switch_statements here.
9043 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9044 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9045 (hsa_function_representation::update_dominance): New function.
9047 2016-03-31 Martin Liska <mliska@suse.cz>
9050 * hsa-brig.c (emit_directive_variable): Emit alignment
9051 according to hsa_symbol::m_align.
9052 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9053 (dump_hsa_symbol): Dump alignment of HSA symbols.
9054 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9055 (gen_hsa_addr_with_align): New function.
9056 (hsa_bitmemref_alignment): Use newly added function.
9057 (gen_hsa_insns_for_load): Likewise.
9058 (gen_hsa_insns_for_store): Likewise.
9059 (gen_hsa_memory_copy): New argument added.
9060 (gen_hsa_insns_for_single_assignment): Respect
9061 alignment for assignments processed via gen_hsa_memory_copy.
9062 (gen_hsa_insns_for_direct_call): Likewise.
9063 (gen_hsa_insns_for_return): Likewise.
9064 (gen_function_def_parameters): Set default alignment.
9065 * hsa.c (hsa_object_alignment): New function.
9066 (hsa_byte_alignment): Pasted function.
9067 * hsa.h (hsa_symbol::m_align): New field.
9069 2016-03-31 Bin Cheng <bin.cheng@arm.com>
9071 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9072 scratch field for goto case.
9074 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
9076 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9078 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
9081 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9082 (scalar_chain::convert_insn): Call convert_op for reg
9083 moves to handle undefined registers.
9085 2016-03-31 Nathan Sidwell <nathan@acm.org>
9088 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9089 Assert we don't want to move backwards.
9091 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
9094 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9096 2016-03-31 Jakub Jelinek <jakub@redhat.com>
9098 PR rtl-optimization/70460
9099 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9100 with operand from REG_LABEL_OPERAND, instead substitute
9101 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9102 Don't do anything for REG_NON_LOCAL_GOTO jumps.
9104 2016-03-31 Martin Liska <mliska@suse.cz>
9106 * passes.c (execute_one_pass): Do not call
9107 todo_after for a discarded function.
9109 2016-03-31 Bin Cheng <bin.cheng@arm.com>
9111 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9112 (no_cost, infinite_cost): Initialize the new field.
9113 (get_computation_cost_at): Record setup cost.
9114 (determine_use_iv_cost_address): Skip cost computation for sub
9115 uses if we can estimate it without losing accuracy.
9117 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
9119 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9121 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9122 max_loop_iterations_int.
9123 (tree_unswitch_outer_loop): Likewise.
9124 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9125 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9127 2016-03-30 Richard Biener <rguenther@suse.de>
9130 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9132 2016-03-30 Jakub Jelinek <jakub@redhat.com>
9135 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9136 in gen_blendm expander.
9138 2016-03-30 Nick Clifton <nickc@redhat.com>
9141 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9142 case where we are already provided with an SImode SUBREG.
9144 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
9147 * config/i386/i386.c (ix86_expand_epilogue): Properly check
9148 conflict between DRAP register and __builtin_eh_return.
9150 2016-03-30 Michael Matz <matz@suse.de>
9151 Richard Biener <rguenther@suse.de>
9154 * ipa-polymorphic-call.c (struct type_change_info): Change
9155 speculative to an unsigned allowing to limit the work we do.
9156 (csftc_abort_walking_p): New inline function..
9157 (check_stmt_for_type_change): Limit the number of may-defs
9158 skipped for speculative devirtualization to
9159 max-speculative-devirt-maydefs.
9160 * params.def (max-speculative-devirt-maydefs): New param.
9161 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9163 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
9166 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9169 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
9171 PR tree-optimization/59124
9172 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9173 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9175 2016-03-29 Jeff Law <law@redhat.com>
9177 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9179 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
9181 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9184 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
9186 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9187 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9188 gcrt0.o if linking dynamically.
9190 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
9193 * ipa-devirt.c (methods_equal_p): New function.
9194 (compare_virtual_tables): Use it.
9195 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9196 * cgraphclones.c (clone_function_name_1): Use
9197 symbol_table::symbol_suffix_separator.
9198 * coverage.c (build_var): Likewise.
9199 * symtab.c (symbol_table::symbol_suffix_separator): New.
9201 2016-03-29 Jakub Jelinek <jakub@redhat.com>
9203 PR rtl-optimization/70429
9204 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
9205 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
9206 mode != result_mode.
9209 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
9211 PR tree-optimization/70405
9212 * ssa-iterators.h (num_imm_uses): Add missing braces.
9214 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
9216 PR rtl-optimization/68695
9217 * ira-color.c (allocno_copy_cost_saving): New.
9218 (improve_allocation): Use it.
9220 2016-03-29 Richard Henderson <rth@redhat.com>
9223 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
9225 2016-03-29 Richard Biener <rguenther@suse.de>
9228 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
9229 use alignment returned by get_pointer_alignment_1 if it is
9230 bigger than BITS_PER_UNIT.
9231 * builtins.c (get_pointer_alignment_1): Do not return true
9232 for alignment extracted from SSA info.
9234 2016-03-28 James Bowman <james.bowman@ftdichip.com>
9236 * config/ft32/ft32.opt (mnodiv): New.
9237 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
9238 * doc/invoke.texi (FT32 Options -mnodiv): New.
9240 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
9243 * config/i386/i386.md (define_split, andn): Fix modes.
9245 2016-03-26 Richard Biener <rguenther@suse.de>
9246 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
9249 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
9251 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
9252 as 2nd argument to cl_optimization_restore().
9254 2016-03-25 Richard Henderson <rth@redhat.com>
9257 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
9258 * config/aarch64/aarch64-protos.h: Declare it.
9259 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
9261 2016-03-25 Alan Modra <amodra@gmail.com>
9264 * config/rs6000/constraints.md (j): Simplify.
9265 * config/rs6000/predicates.md (easy_fp_constant): Exclude
9267 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
9268 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
9269 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
9270 in all constraint alternatives.
9271 (movtd_64bit_nodm): Delete "j" constraint alternative.
9273 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
9275 * tree-ssa-propagate.c: Enhance docs for
9276 SSA_PROP_NOT_INTERESTING.
9278 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
9280 * doc/extend.texi: Fix typo in documentation to pure attribute.
9282 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
9285 * config/pa/pa.md (bswapdi2): Use a scratch register.
9287 2016-03-24 Richard Henderson <rth@redhat.com>
9290 * fold-const.c (extract_muldiv_1): Correct test for multiplication
9293 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
9295 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
9296 using ix86_expand_binary_operator instead of gen_andsi3.
9298 2016-03-24 Richard Biener <rguenther@suse.de>
9300 PR tree-optimization/70396
9301 * tree-vect-stmts.c (vectorizable_comparison): Use
9302 get_vectype_for_scalar_type.
9304 2016-03-24 Richard Biener <rguenther@suse.de>
9307 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
9308 with register bases.
9310 2016-03-24 Richard Biener <rguenther@suse.de>
9312 PR tree-optimization/70372
9313 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
9314 build_all_ones_cst to also handle vector types correctly.
9316 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
9319 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
9322 2016-03-23 Marek Polacek <polacek@redhat.com>
9325 * doc/invoke.texi: Document -Wignored-attributes.
9327 2016-03-23 Bin Cheng <bin.cheng@arm.com>
9329 PR tree-optimization/69042
9330 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
9331 parameter from 30 to 40.
9333 2016-03-23 Bin Cheng <bin.cheng@arm.com>
9335 PR tree-optimization/69042
9336 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
9337 for use with constant offset stripped in base.
9339 2016-03-23 Richard Biener <rguenther@suse.de>
9342 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
9343 mode compatibility check.
9344 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9346 2016-03-23 Jeff Law <law@redhat.com>
9348 PR tree-optimization/64058
9349 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
9351 (struct ssa_conflicts): Move up earlier in the file.
9352 (conflicts_, var_map_): New static variables.
9353 (initialize_conflict_count): New function to initialize the
9354 CONFLICT_COUNT field for each conflict pair.
9355 (compare_pairs): Lazily initialize the conflict count and use it
9356 as the first tie-breaker.
9357 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
9358 and wipe conflicts_ and map_ around the call to qsort. Remove
9359 special case for 2 coalesce pairs.
9360 * bitmap.c (bitmap_count_unique_bits): New function.
9361 (bitmap_count_bits_in_word): New function, extracted from
9363 (bitmap_count_bits): Use bitmap_count_bits_in_word.
9364 * bitmap.h (bitmap_count_unique_bits): Declare it.
9366 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
9369 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
9370 transparent alias chain for decl assembler name.
9371 * config/sol2.c (solaris_assemble_visibility): Likewise.
9373 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9375 * config/arm/arm1020e.md (1020call_op): Reduce reservation
9377 (v10_fdivs): Likewise.
9378 (v10_fdivd): Likewise.
9380 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9383 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
9384 to not call fclose twice on file.
9386 2016-03-23 Jakub Jelinek <jakub@redhat.com>
9388 PR tree-optimization/70354
9389 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9390 oprnd0 is wider than oprnd1 and there is a cast from the wider
9391 type to oprnd1, mask it with the mask of the narrower type.
9394 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
9395 Optimize TARGET_STV splitters, if high or low word of last argument
9398 2016-03-22 Jeff Law <law@redhat.com>
9401 tree-ssa-threadbackward.c
9402 (fsm_find_control_statement_thread_paths): Correctly distinguish
9403 between old style jump threads vs FSM jump threads.
9405 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
9408 * config/i386/i386.c (scalar_chain::convert_op): Support
9409 uninitialized register usage case.
9411 2016-03-22 Richard Biener <rguenther@suse.de>
9414 * genmatch.c (gen_transform): Adjust last parameter to a three-state
9416 (capture::gen_transform): ... to change behavior when substituting
9417 a condition into cond or not-cond expr context.
9418 (dt_simplify::gen_1): Adjust.
9419 * gimple-match-head.c: Include gimplify.h for unshare_expr.
9420 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
9421 last change and instead change to
9422 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
9423 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9425 2016-03-22 Anthony Green <green@moxielogic.com>
9427 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
9428 issue for moxiebox targets.
9429 (CC1PLUS_SPEC): Ditto.
9431 2016-03-22 Richard Biener <rguenther@suse.de>
9434 * fold-const.c (extract_muldiv_1): Properly perform multiplication
9437 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
9439 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
9441 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
9444 * config/i386/i386.c (def_builtin): Handle
9445 OPTION_MASK_ISA_AVX512VL to be and-ed with other
9447 (const struct builtin_description bdesc_special_args[]):
9448 Remove duplicate ISA bits.
9450 2016-03-22 Jakub Jelinek <jakub@redhat.com>
9453 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
9454 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
9455 in a way that works also for AVX512BW.
9458 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
9459 instead of source if operands[1] is xmm16 and above and
9460 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
9461 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
9464 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
9465 on assign if (*from_p) is a comparison, set it to
9466 TREE_NO_WARNING (*from_p).
9468 2016-03-21 Jakub Jelinek <jakub@redhat.com>
9471 * lra.c (restore_scratches): Ignore deleted insns.
9473 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
9474 Jakub Jelinek <jakub@redhat.com>
9476 PR tree-optimization/70317
9477 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
9480 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
9483 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
9484 of ix86_expand_move.
9486 (movti): Use general_operand for operand 1 predicate.
9488 2016-03-21 Martin Liska <mliska@suse.cz>
9490 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
9492 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
9494 2016-03-21 Martin Liska <mliska@suse.cz>
9497 * ipa-icf.c (sem_function::parse): Skip static
9498 constructors and destructors.
9500 2016-03-21 Jakub Jelinek <jakub@redhat.com>
9503 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
9504 function-like macro, peek following token(s) if it is followed
9505 by CPP_OPEN_PAREN token with optional padding in between, and
9506 if not, don't treat it like a macro.
9508 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
9509 Alexander Monakov <amonakov@ispras.ru>
9511 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
9512 for the stabs debug format.
9514 2016-03-21 Richard Biener <rguenther@suse.de>
9516 PR tree-optimization/70310
9517 * tree-vect-generic.c (expand_vector_condition): Fold the built
9520 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
9523 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
9524 Block third alternative for AVX-512VL target,
9526 2016-03-21 Martin Liska <mliska@suse.cz>
9529 * hsa-brig.c (emit_function_directives): Mark unemitted
9530 global variables for emission.
9531 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
9532 (get_symbol_for_decl): Likewise.
9533 * hsa.h (struct hsa_symbol): New flag.
9535 2016-03-21 Richard Biener <rguenther@suse.de>
9537 PR tree-optimization/70288
9538 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
9539 we do not estimate unsimplified all-constant conditionals or
9540 switches as optimized away.
9542 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
9544 PR rtl-optimization/69102
9545 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
9546 when we have a readonly dependency context.
9548 2016-03-18 Jeff Law <law@redhat.com>
9550 PR rtl-optimization/70263
9551 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
9552 (update_equiv_regs): When trying to move a store to after the insn
9553 that sets the source of the store, make sure the store occurs after
9554 the insn that sets the source of the store. When successful note
9555 the REG_EQUIV note created in the dump file.
9557 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
9558 Bernd Schmidt <bschmidt@redhat.com>
9560 * doc/extend.texi: Document more potential problems with basic asms.
9562 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
9564 PR rtl-optimization/70278
9565 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
9568 2016-03-18 Jason Merrill <jason@redhat.com>
9570 * calls.c (load_register_parameters): Fix zero size sibcall logic.
9572 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
9574 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
9575 values to 128b regs.
9577 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
9579 PR tree-optimization/70252
9580 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
9581 boolean vector has a proper number of elements.
9582 (supportable_narrowing_operation): Likewise.
9584 2016-03-18 Tom de Vries <tom@codesourcery.com>
9587 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
9589 2016-03-18 Jakub Jelinek <jakub@redhat.com>
9591 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
9592 instead of replace_rtx for DEBUG_INSNs.
9594 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
9596 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
9597 load type reservations.
9599 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
9602 * config/pa/constraints.md: Revert 2015-02-13 change. Use
9603 define_constraint for "Q" and "T" constraints.
9605 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
9607 Tweak the pipeline model for Exynos M1
9609 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
9612 2016-03-17 David Malcolm <dmalcolm@redhat.com>
9615 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
9616 where one or both locations aren't within a line_map.
9618 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
9621 * opts.c (finish_options): Don't set flag_pie to the default if
9622 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
9625 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
9627 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
9628 true as ALL_REGS argument to replace_rtx.
9630 2016-03-17 Richard Biener <rguenther@suse.de>
9633 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
9636 2016-03-17 Jakub Jelinek <jakub@redhat.com>
9639 * rtl.h (replace_rtx): Add ALL_REGS argument.
9640 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
9641 equality and assert mode is the same, instead of just rtx pointer
9643 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
9644 true as ALL_REGS argument to replace_rtx.
9646 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
9648 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
9649 for boolean vector with vector mode only.
9650 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9652 2016-03-17 Nick Clifton <nickc@redhat.com>
9655 * config/rx/rx.c (rx_print_integer): Print negative constants in
9658 2016-03-17 Jakub Jelinek <jakub@redhat.com>
9661 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
9663 2016-03-16 Richard Henderson <rth@redhat.com>
9664 Richard Biener <rguenth@suse.de>
9669 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
9670 first operand as is_gimple_condexpr.
9675 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
9676 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
9677 Do not gimplify the result.
9678 (do_unop): Adjust call to tree_vec_extract.
9679 (do_binop): Likewise.
9680 (do_compare): Likewise.
9681 (do_plus_minus): Likewise.
9682 (do_negate): Likewise.
9683 (expand_vector_condition): Likewise.
9684 (do_cond): Likewise.
9686 2016-03-16 Richard Henderson <rth@redhat.com>
9689 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
9690 (aarch64_classify_address): Use it.
9691 (aarch64_legitimize_address): Force all subexpressions of PLUS
9692 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
9694 2016-03-16 Jakub Jelinek <jakub@redhat.com>
9695 Richard Biener <rguenth@suse.de>
9698 * rtlanal.c (replace_rtx): For REG, if from is a REG,
9699 return to even if only REGNO is equal, and assert
9702 2016-03-11 Jeff Law <law@redhat.com>
9704 PR rtl-optimization/70224
9705 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
9707 2016-03-16 Richard Henderson <rth@redhat.com>
9710 * function.h (struct function): Add has_forced_label_in_static.
9711 * gimplify.c (force_labels_r): Set it.
9712 * lto-streamer-in.c (input_struct_function_base): Read it.
9713 * lto-streamer-out.c (output_struct_function_base): Write it.
9714 * tree-inline.c (has_label_address_in_static_1): Remove.
9715 (copy_forbidden): Remove fndecl parameter; test
9716 has_forced_label_in_static.
9717 (inline_forbidden_p): Update call to copy_forbidden.
9718 (tree_versionable_function_p): Likewise.
9719 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
9720 (chkp_versioning): Likewise.
9721 * tree-inline.h (copy_forbidden): Update decl.
9723 2016-03-16 Marek Polacek <polacek@redhat.com>
9726 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
9727 function being thunked if the result type doesn't have fixed size.
9728 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
9729 doesn't have fixed size.
9731 2016-03-16 Bin Cheng <bin.cheng@arm.com>
9733 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
9734 reporting malformed loop nest.
9736 2016-03-16 Tom de Vries <tom@codesourcery.com>
9739 * ipa-devirt.c (possible_polymorphic_call_targets): Move
9740 nodes.length () == 1 test to before first nodes[0] access.
9742 2016-03-16 Tom de Vries <tom@codesourcery.com>
9744 PR tree-optimization/68715
9745 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
9748 2016-03-16 Tom de Vries <tom@codesourcery.com>
9750 PR tree-optimization/68809
9751 * graphite-scop-detection.c (same_close_phi_node): Test if result types
9754 2016-03-16 Carlos O'Donell <carlos@redhat.com>
9755 Sandra Loosemore <sandra@codesourcery.com>
9757 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
9758 on leaf attribute. Mention ELF interposition problems.
9760 2016-03-16 Alan Modra <amodra@gmail.com>
9762 PR rtl-optimization/69195
9763 PR rtl-optimization/47992
9764 * ira.c (indirect_jump_optimize): Ignore artificial defs.
9767 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
9770 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
9772 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
9774 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
9776 2016-03-15 Jakub Jelinek <jakub@redhat.com>
9778 PR rtl-optimization/70222
9779 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
9780 optimization if mode is different from result_mode, queue up masking
9781 of the result in outer_op. Formatting fix.
9784 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
9787 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
9789 PR rtl-optimization/69032
9790 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
9791 looping backwards over basic block insns.
9793 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
9796 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
9797 to non-speculative when propagating trap bits.
9799 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
9801 PR rtl-optimization/63384
9802 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
9805 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
9808 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
9809 factored out from ...
9810 (sched_analyze_insn): ... here.
9811 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
9812 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
9813 get_implicit_reg_pending_clobbers in it.
9814 (setup_id_reg_sets): Use setup_id_implicit_regs.
9815 (deps_init_id): Ditto.
9817 2016-03-15 Tom de Vries <tom@codesourcery.com>
9820 * cgraph.c (cgraph_node::get_body): Save, reset and restore
9822 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
9823 execute_function_dump.
9824 (execute_one_pass): Don't dump function if it will be dumped after ipa
9827 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
9829 * genrecog.c (match_pattern_2): If pred is NULL don't call
9830 safe_predicate_mode on it.
9832 2016-03-14 Jakub Jelinek <jakub@redhat.com>
9835 * lra-constraints.c (delete_move_and_clobber): Change assertion
9836 to also allow dregno == 0.
9838 2016-03-14 Richard Henderson <rth@redhat.com>
9841 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
9842 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
9843 (reassociate_bb): Use optimize_vec_cond_expr; avoid
9844 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
9847 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
9850 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
9852 (lra_create_live_ranges_1): initialize hard register biggest_mode to
9854 * lra-constraints.c (split_reg): For hard regs, try to find the
9855 biggest single-register mode used in the function.
9857 2016-03-14 Richard Biener <rguenther@suse.de>
9859 PR tree-optimization/56365
9860 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
9861 constants to compare against.
9863 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
9866 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
9867 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
9868 (define_split for the GPR case): Use int_reg_operand instead of
9869 gpc_reg_operand for the output.
9871 2016-03-14 Tom de Vries <tom@codesourcery.com>
9873 PR tree-optimization/70045
9874 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
9875 create_empty_if_region_on_edge argument.
9877 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
9879 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
9880 (STACK_CHECK_PROTECT): Likewise.
9881 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
9882 (STACK_CHECK_PROTECT): Likewise.
9883 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
9884 (STACK_CHECK_PROTECT): Likewise.
9885 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
9886 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
9887 (STACK_CHECK_PROTECT): Likewise.
9889 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
9891 PR rtl-optimization/69307
9892 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
9893 registers in modes that span more than one register.
9895 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
9898 * lra-constraints.c (delete_move_and_clobber): New.
9899 (remove_inheritance_pseudos): Use it.
9901 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
9904 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
9905 the libcall is LCT_THROW.
9906 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
9907 for the checking routine.
9909 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
9912 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
9913 optimization if we have direct move.
9914 (roundu32<mode>2_fprs): Likewise.
9916 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
9919 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
9921 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
9922 Arguments swapped. All callers changed. Take reg_renumber into
9923 account, and Calculate and compare register ranges for hard regs.
9925 2016-03-11 Jeff Law <law@redhat.com>
9927 PR tree-optimization/70190
9928 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9929 Handle cases where we can not extract the taken edge, even though we
9930 found a constant value.
9932 PR tree-optimization/64058
9933 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
9934 (num_coalesce_pairs): Move up earlier in file.
9935 (find_coalesce_pair): Initialize the INDEX field for each pair
9937 (compare_pairs): No longer sort on the elements in each pair.
9938 Instead break ties with the index of the coalesce pair.
9940 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9943 * config/aarch64/aarch64-protos.h
9944 (aarch64_save_restore_target_globals): New prototype.
9945 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
9946 Call the above when popping pragma.
9947 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
9949 (aarch64_set_current_function): Rewrite using the above.
9951 2016-03-11 Jakub Jelinek <jakub@redhat.com>
9953 PR tree-optimization/70177
9954 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
9955 (extract_ops_from_tree): ... this. In the 2 argument
9956 overload remove _1 suffix.
9957 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
9958 (extract_ops_from_tree): ... this.
9959 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
9961 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
9962 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
9963 extract_ops_from_tree instead of 2 operand one.
9965 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
9967 PR tree-optimization/70013
9968 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
9969 for constant-pool entries.
9971 2016-03-11 Jakub Jelinek <jakub@redhat.com>
9973 PR rtl-optimization/70174
9974 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
9975 followed by gen_lowpart on force_reg instead of just gen_lowpart.
9977 PR tree-optimization/70169
9978 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
9979 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
9982 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
9983 Jakub Jelinek <jakub@redhat.com>
9986 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
9987 of uninitialized values.
9989 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9991 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
9993 ("*trunctddd2"): New pattern definition.
9994 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
9997 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9999 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10000 definitions for BFP and DFP rounding modes.
10001 ("fixuns_truncdddi2", "fixuns_trunctddi2")
10002 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10003 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10004 ("fix_trunctf<mode>2"): Use the new constants instead of magic
10007 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10009 * config/s390/constraints.md: Adjust comment.
10010 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
10011 s390_decompose_addrstyle_without_index.
10012 * config/s390/predicates.md (shift_count_or_setmem_operand):
10013 Rename to setmem_operand.
10014 * config/s390/s390-protos.h
10015 (s390_decompose_shift_count): Rename to
10016 s390_decompose_addrstyle_without_index.
10017 * config/s390/s390.c (s390_decompose_shift_count)
10018 (s390_mem_constraint, print_shift_count_operand)
10019 (print_operand_address, print_operand): Rename
10020 s390_decompose_shift_count to
10021 s390_decompose_addrstyle_without_index and rename
10022 print_shift_count_operand to print_addrstyle_operand troughout the
10024 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10025 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10026 Rename shift_count_or_setmem_operand to setmem_operand.
10027 * config/s390/vx-builtins.md ("vec_insert<mode>")
10028 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10031 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
10034 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10035 Handle overlapping retval and newval.
10037 2016-03-10 Nick Clifton <nickc@redhat.com>
10040 * config/aarch64/aarch64.c
10041 (aarch64_override_options_after_change_1): When forcing
10042 flag_omit_frame_pointer to be true, use a special value that can
10043 be detected if this function is called again, thus preventing
10044 flag_omit_leaf_frame_pointer from being forced to be false.
10046 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10048 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10049 Set x_flag_omit_leaf_frame_pointer when handling
10050 -momit-leaf-frame-pointer.
10052 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
10055 * cgraph.c (cgraph_node::dump): Dump split_part and
10056 indirect_call_target.
10057 * cgraph.h (cgraph_node): Add indirect_call_target flag.
10058 * ipa.c (has_addr_references_p): Cleanup.
10059 (is_indirect_call_target_p): New.
10060 (walk_polymorphic_call_targets): Do not mark virtuals that may be
10061 called indirectly as local.
10062 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10064 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
10067 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10068 on cxa_pure_virtual.
10070 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
10073 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10075 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
10078 * tree.c (need_assembler_name_p): Only record main variant type names.
10080 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
10083 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10084 Always define to 0 or 1.
10085 (TARGET_FIX_ERR_A53_843419): New macro.
10086 * config/aarch64/aarch64-elf-raw.h
10087 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10088 * config/aarch64/aarch64-linux.h: Likewise.
10089 * config/aarch64/aarch64.c
10090 (aarch64_override_options_after_change_1): Do not default
10091 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10093 (aarch64_attributes): Handle fix-cortex-a53-843419.
10094 (aarch64_can_inline_p): Likewise.
10095 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10097 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
10098 Jakub Jelinek <jakub@redhat.com>
10100 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10101 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10102 DECL_COMMONS if flag_unconstrained_commons is set.
10103 * tree-dfa.c (get_ref_base_and_extent): Likewise.
10104 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10105 (funconstrained-commons): Document.
10107 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
10109 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10110 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10112 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
10114 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10115 has a proper number of elements.
10117 2016-03-10 Alan Modra <amodra@gmail.com>
10119 PR rtl-optimization/69195
10120 PR rtl-optimization/47992
10121 * ira.c (recorded_label_ref): Delete.
10122 (update_equiv_regs): Return void.
10123 (indirect_jump_optimize): New function.
10124 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10125 before regstat_compute_ri. Don't rebuild_jump_labels here.
10126 Delete update_regstat.
10128 2016-03-10 Richard Biener <rguenther@suse.de>
10130 PR tree-optimization/70128
10131 * tree-ssa-structalias.c (set_uids_in_ptset): Set
10132 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10134 2016-03-09 Jakub Jelinek <jakub@redhat.com>
10136 PR tree-optimization/70152
10137 * tree-sra.c (replace_removed_params_ssa_names): Copy over
10138 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10141 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10142 instead of gen_sse2_loadlpd.
10143 * config/i386/sse.md (*vec_concatv2df): Rename to...
10144 (vec_concatv2df): ... this.
10146 PR tree-optimization/70127
10147 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10149 2016-03-09 David Malcolm <dmalcolm@redhat.com>
10153 * diagnostic-show-locus.c (compatible_locations_p): New function.
10154 (layout::layout): Sanitize ranges using compatible_locations_p.
10156 2016-03-09 David Malcolm <dmalcolm@redhat.com>
10160 * diagnostic-show-locus.c (layout_range::layout_range): Replace
10161 location_range param with three const expanded_locations * and a
10163 (layout::layout): Replace call to
10164 rich_location::lazily_expand_location with get_expanded_location.
10165 Extract the range and perform location expansion here, passing
10166 the results to the layout_range ctor.
10167 * diagnostic.c (source_range::debug): Delete.
10168 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10169 of rich_location::get_expanded_location.
10170 * gcc-rich-location.c (get_range_for_expr): Delete.
10171 (gcc_rich_location::add_expr): Reimplement to avoid the
10172 rich_location::add_range overload that took a location_range,
10173 passing a location_t instead.
10175 2016-03-09 Richard Biener <rguenther@suse.de>
10176 Jakub Jelinek <jakub@redhat.com>
10178 PR tree-optimization/70138
10179 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10180 Also skip vect_double_reduction_def.
10182 2016-03-09 Jakub Jelinek <jakub@redhat.com>
10185 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10186 if the operand is "m".
10188 2016-03-09 Nathan Sidwell <nathan@acm.org>
10190 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10192 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
10194 * config/i386/i386.c (processor_target_table): Fix cost table
10195 intialization order for znver1.
10197 2016-03-08 Jakub Jelinek <jakub@redhat.com>
10199 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10200 - becuase -> because.
10201 * ipa-reference.c (ignore_module_statics): Likewise.
10202 * cgraph.c (cgraph_node::get_body): Likewise.
10203 * ipa-inline.c (early_inliner): Likewise.
10204 * ipa-devirt.c (types_same_for_odr): Likewise.
10205 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
10206 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
10208 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10210 * tree-ssa-math-opts.c: Fix typo in comment.
10212 2016-03-08 Jakub Jelinek <jakub@redhat.com>
10215 * config/i386/i386.c (scalar_chain::make_vector_copies,
10216 scalar_chain::convert_reg): Call end_sequence in between
10217 get_insns and emit_conversion_insns rather than after both
10220 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
10223 * config/i386/i386.h (machine_function): Add
10224 pc_thunk_call_expanded flag.
10225 (ix86_pc_thunk_call_expanded): New define.
10226 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
10227 (*set_got): Rename insn pattern from set_got.
10228 (*set_got_labelled): Rename inst pattern from set_got_labelled.
10229 * config/i386/i386.c (ix86_compute_frame_layout): Use
10230 ix86_pc_thunk_call_expanded to prevent red-zone.
10232 2016-03-07 Martin Jambor <mjambor@suse.cz>
10234 * hsa.h (hsa_get_ctor_statements): Declare.
10235 (hsa_get_dtor_statements): Likewise.
10236 (hsa_get_kernel_dispatch_type): Likewise.
10237 * hsa.c (hsa_get_ctor_statements): New function.
10238 (hsa_get_dtor_statements): Likewise.
10239 (hsa_get_kernel_dispatch_type): Likewise.
10240 * hsa-brig.c (hsa_cdtor_statements): Removed.
10241 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
10242 hsa_get_dtor_statements.
10243 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
10244 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
10246 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
10248 * config/arm/arm-cores.def (cortex-r8): New.
10249 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
10250 * config/arm/arm-tune.md: Likewise.
10251 * doc/invoke.texi: Add cortex-r8 to list of cpu values.
10253 2016-03-07 Martin Sebor <msebor@redhat.com>
10255 PR rtl-optimization/19705
10256 * doc/invoke.texi (Options That Control Optimization): Clarify
10257 -fno-branch-count-reg.
10259 2016-02-26 Richard Biener <rguenther@suse.de>
10260 Jeff Law <law@redhat.com>
10262 PR tree-optimization/69740
10263 * cfghooks.c (remove_edge): Request loop fixups if we delete
10264 an edge that might turn an irreducible loop into a natural
10266 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
10267 Move after definition of loops_state_clear.
10269 2016-03-07 Bin Cheng <bin.cheng@arm.com>
10271 PR rtl-optimization/69052
10272 * rtlanal.c (commutative_operand_precedence): Set higher precedence
10275 2016-03-07 Tom de Vries <tom@codesourcery.com>
10277 PR tree-optimization/70116
10278 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
10279 is_tm_ending stmts and ubsan/asan internal functions.
10280 (find_duplicate): Use it. Don't test is_tm_ending here.
10282 2016-03-07 Richard Biener <rguenther@suse.de>
10284 PR tree-optimization/70115
10285 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
10286 (propagate_constants_for_unrolling): Use replace_uses_by.
10288 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
10290 PR middle-end/69916
10291 * omp-low.c (struct oacc_loop): Add ifns.
10292 (new_oacc_loop_raw): Initialize it.
10293 (finish_oacc_loop): Clear mask & flags if no ifns.
10294 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
10295 (oacc_loop_xform_loop): Add ifns arg & adjust.
10296 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
10298 2016-03-07 Richard Henderson <rth@redhat.com>
10301 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
10302 (insert_value_copy_on_edge): Likewise.
10304 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10306 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
10308 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10311 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
10313 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
10315 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
10317 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
10319 Fix sseimul type attribute.
10320 * config/i386/znver1.md
10321 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
10322 znver1_sseimul_avx256_load) : Fix the type attribute.
10323 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
10324 pipe usage and latency.
10326 2016-03-05 Jakub Jelinek <jakub@redhat.com>
10329 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
10330 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
10333 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
10336 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
10338 PR rtl-optimization/69941
10339 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
10340 the reg share its mode.
10342 2016-03-04 Jeff Law <law@redhat.com>
10344 PR tree-optimization/69196
10345 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10346 If the both SSA_NAMEs are anonymous, then consider them unassociated
10347 and include the PHI in the statement count.
10349 2016-03-05 Tom de Vries <tom@codesourcery.com>
10351 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
10352 construct in oacc routine. Check for oacc region in oacc routine.
10354 2016-03-04 Jakub Jelinek <jakub@redhat.com>
10357 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
10358 2016-02-22 changes, instead don't recurse if RECUR is already true.
10359 Don't change *dynamic_check if RECUR. Adjust recursive caller
10360 to pass true to the new argument.
10361 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
10364 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10365 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
10367 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
10369 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
10371 PR rtl-optimization/57676
10372 * lra-assigns.c (lra_assign): Guard test for maximum iterations
10373 with flag_checking.
10375 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
10377 * tree-vect-patterns.c (search_type_for_mask): Handle
10378 comparison of booleans.
10380 2016-03-04 Jakub Jelinek <jakub@redhat.com>
10382 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
10386 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
10387 all other ops that have dw_val_class_die_ref operands,
10388 and DW_OP_GNU_entry_value.
10390 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10392 PR rtl-optimization/69904
10393 * config/arm/arm.c (arm_cannot_copy_insn_p):
10394 Return true for load-exclusive instructions.
10396 2016-03-03 Jakub Jelinek <jakub@redhat.com>
10399 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
10400 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
10401 the pattern no matter if it is used just by non-pattern, pattern
10403 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
10404 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10405 oprnd1 def_stmt is in pattern, don't look through it.
10407 2016-03-03 Marek Polacek <polacek@redhat.com>
10409 PR middle-end/70050
10410 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
10412 2016-03-03 Martin Liska <mliska@suse.cz>
10414 PR tree-optimization/70043
10415 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
10416 previous statement if we see a debug statement.
10418 2016-03-03 Richard Biener <rguenther@suse.de>
10420 PR tree-optimization/55936
10421 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
10422 parameter and guard unsafe equivalence use.
10423 (vrp_evaluate_conditional_warnv_with_ops): Always use
10424 safe equivalences but not via the quadratic compare_names
10427 2016-03-03 Michael Collison <michael.collison@linaro.org>
10430 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
10431 for operand 1 to s_register_operand. Change predicate for operand
10432 2 to arm_not_immediate_operand.
10434 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
10436 * doc/tm.texi: Regenerated.
10438 2016-03-02 Richard Henderson <rth@redhat.com>
10441 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
10442 simplification when all args are positive non-fixed registers.
10444 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10446 * target.def (lra_p): Specify that new ports should use LRA.
10448 2016-03-02 Jakub Jelinek <jakub@redhat.com>
10451 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
10452 gimplify_type_sizes the type they refer to.
10453 (omp_notice_variable): Handle reference vars to VLAs.
10454 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
10455 reference to VLA decls in the second pass instead of first pass.
10457 2016-03-02 Tom de Vries <tom@codesourcery.com>
10459 PR tree-optimization/68659
10460 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
10461 new_expr == NULL_TREE.
10462 (get_new_name): Handle ADDR_EXPR.
10464 2016-03-02 Bin Cheng <bin.cheng@arm.com>
10466 PR rtl-optimization/69052
10467 * loop-invariant.c (canonicalize_address): New function.
10468 (inv_can_prop_to_addr_use): Check validity of address expression
10469 which is canonicalized by above function.
10471 2016-03-02 Alan Modra <amodra@gmail.com>
10474 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
10477 2016-03-02 Jakub Jelinek <jakub@redhat.com>
10480 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
10481 (*movhi_internal): Put mask moves from and to memory separately
10482 from moves from/to GPRs.
10484 2016-03-02 Richard Biener <rguenther@suse.de>
10486 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
10487 GENERIC expressions in GIMPLE.
10489 2016-03-02 Richard Biener <rguenther@suse.de>
10491 * config/i386/i386.c (type_natural_mode): Fix typo.
10493 2016-03-02 Nick Clifton <nickc@redhat.com>
10495 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
10497 2016-03-02 Richard Biener <rguenther@suse.de>
10498 Uros Bizjak <ubizjak@gmail.com>
10501 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
10503 2016-03-02 Richard Biener <rguenther@suse.de>
10505 PR middle-end/67278
10506 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
10508 2016-03-02 Marek Polacek <polacek@redhat.com>
10511 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
10512 "is promoted to" warning.
10514 2016-03-01 DJ Delorie <dj@redhat.com>
10516 * config.gcc: Deprecate mep-*.
10518 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
10520 PR middle-end/70025
10521 * lra-constraints.c (regno_val_use_in): New.
10522 (match_reload): Use it instead of regno_use_in.
10524 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
10526 PR rtl-optimization/70007
10527 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
10528 references present in REG_EQUAL notes attached to non-SET patterns.
10530 2016-03-01 Jeff Law <law@redhat.com>
10532 PR tree-optimization/69196
10533 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10534 Appropriately clamp the number of statements to copy when the
10535 thread path does not traverse a loop backedge.
10537 PR tree-optimization/69196
10538 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10539 Do count some PHIs in the thread path against the insn count. Decrease
10540 final statement count by one as the control statement in the last
10541 block will get removed. Remove special cased code for handling PHIs
10544 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
10547 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
10548 asm dialect alternatives to explicit GOTPCREL calls.
10550 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
10553 * ira.c (do_reload): Issue warning for generic stack checking here...
10554 * reload1.c (reload): ...instead of here and streamline it.
10556 2016-03-01 Nick Clifton <nickc@redhat.com>
10558 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
10560 2016-03-01 Richard Biener <rguenther@suse.de>
10562 PR tree-optimization/69983
10563 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
10564 types and fall back to operand_equal_p.
10566 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10569 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10571 * config/s390/constraints.md ("jm8"): New constraint.
10572 * config/s390/predicates.md ("const_int_8bitset_operand"): New
10574 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
10576 ("*setmem_long<setmem_and>"): New pattern.
10577 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
10579 ("*setmem_long_31z<setmem_and>"): New pattern.
10580 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
10581 New substitution rules with the required attributes.
10584 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10587 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10589 * gensupport.c (process_substs_on_one_elem): Split loop to
10590 complete mark_operands_used_in_match_dup on all expressions in the
10592 (adjust_operands_numbers): Inline into process_substs_on_one_elem
10593 and remove function.
10595 2016-03-01 Richard Biener <rguenther@suse.de>
10597 PR middle-end/70022
10598 * fold-const.c (fold_indirect_ref_1): Fix range checking for
10599 vector BIT_FIELD_REF extract.
10601 2016-03-01 Richard Biener <rguenther@suse.de>
10603 PR tree-optimization/69994
10604 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
10606 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
10608 PR tree-optimization/69956
10609 * tree-vect-stmts.c (supportable_widening_operation): Support
10610 multi-step conversion of boolean vectors.
10611 (supportable_narrowing_operation): Likewise.
10613 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10615 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
10618 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10620 * config/s390/subst.md (DSI_VI): New mode iterator.
10621 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
10622 * config/s390/vector.md ("vec_set<mode>"): Move expander before
10623 the insn definition.
10624 ("*vec_set<mode>"): Change predicate and add alternative to
10625 support only either register or const_int operands as element
10627 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
10629 ("vec_extract<mode>"): New expander.
10630 ("*vec_extract<mode>"): New insn definition supporting reg and
10631 const_int element selectors.
10632 ("*vec_extract<mode>_plus"): New insn definition supporting
10633 reg+const_int element selectors.
10634 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
10635 following expander+insn definition.
10636 ("<vec_shifts_name><mode>3"): New expander.
10637 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
10639 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10641 * config/s390/s390.md ("*tabort_1"): Change predicate to
10642 nonmemory_operand. Add a second alternative to cover
10643 register as well as const int operands.
10644 ("*tabort_1_plus"): New pattern definition.
10646 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10648 * config/s390/s390.md ("*ashrdi3_cc_31")
10649 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
10650 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
10651 Merge insn definitions into ...
10652 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10653 New pattern definition.
10654 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
10655 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
10656 ("*ashr<mode>3_and"): Merge insn definitions into ...
10657 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10658 New pattern definition.
10659 * config/s390/subst.md ("addr_style_op_cc_subst")
10660 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
10661 substitutions patterns plus attributes.
10662 Add ashiftrt to SUBST iterator.
10664 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10666 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
10667 op2 to nonmemory_operand.
10668 ("*<shift>di3_31", "*<shift>di3_31_and"):
10669 Merge into single pattern definition ...
10670 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
10671 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
10672 pattern definition ...
10673 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
10674 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
10677 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10679 * config/s390/predicates.md (const_int_6bitset_operand): New
10681 * config/s390/s390.md: Include subst.md.
10682 ("rotl<mode>3"): New expander.
10683 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
10685 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
10686 * config/s390/subst.md: New file.
10688 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10690 * config/s390/s390.md ("op_type", "atype", "length" attributes):
10691 Remove RRR type. It doesn't really exist.
10692 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
10694 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
10695 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
10696 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
10697 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
10698 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
10699 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
10700 `enabled' attribute.
10702 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10704 * gensupport.c (process_substs_on_one_elem): Split loop to
10705 complete mark_operands_used_in_match_dup on all expressions in the
10707 (adjust_operands_numbers): Inline into process_substs_on_one_elem
10708 and remove function.
10710 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
10713 * config/sparc/sparc.c (NWORDS_UP): Rename to...
10714 (CEIL_NWORDS): ...this. Use CEIL macro.
10715 (compute_fp_layout): Adjust to above renaming.
10716 (function_arg_union_value): Likewise.
10717 (sparc_arg_partial_bytes): Likewise.
10718 (sparc_function_arg_advance): Likewise.
10720 2016-02-29 Jeff Law <law@redhat.com>
10722 PR tree-optimization/70005
10723 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
10724 where an object with a boolean range is compared against a value
10727 PR tree-optimization/69999
10728 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
10729 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
10732 2016-02-29 Richard Biener <rguenther@suse.de>
10734 PR tree-optimization/69994
10735 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
10736 (get_unary_op): Look through nop conversions.
10737 (ops_equal_values_p): New function, look for equality diregarding
10739 (eliminate_plus_minus_pair): Use ops_equal_values_p
10740 (repropagate_negates): Do not use get_unary_op here.
10742 2016-02-29 Martin Liska <mliska@suse.cz>
10744 * system.h: Poison ENABLE_CHECKING macro.
10746 2016-02-29 Martin Liska <mliska@suse.cz>
10748 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
10749 is presented in dump flags.
10750 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
10751 (hsa_regalloc): Likewise.
10753 2016-02-19 Richard Biener <rguenther@suse.de>
10755 PR tree-optimization/69980
10756 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
10757 permutation of those we need to keep.
10759 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
10762 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
10763 (NWORDS_UP): ...this
10764 (init_cumulative_args): Minor tweaks.
10765 (sparc_promote_function_mode): Likewise.
10766 (scan_record_type): Delete.
10767 (traverse_record_type): New function template.
10768 (classify_data_t): New structure type.
10769 (classify_registers): New inline function.
10770 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
10771 exhausted. Instantiate traverse_record_type on classify_registers and
10772 deal with the case of a structure passed in slot #15 with no FP field
10774 (assign_data_t): New structure type.
10775 (compute_int_layout): New static function.
10776 (compute_fp_layout): Likewise.
10777 (count_registers): New inline function.
10778 (assign_int_registers): New static function.
10779 (assign_fp_registers): Likewise.
10780 (assign_registers): New inline function.
10781 (function_arg_record_value_1): Delete.
10782 (function_arg_record_value_2): Likewise.
10783 (function_arg_record_value_3): Likewise.
10784 (function_arg_record_value): Adjust to above changes. Instantiate
10785 traverse_record_type on count_registers to first count the number of
10786 registers to be used and then on assign_registers to assign them.
10787 (function_arg_union_value): Adjust to above renaming.
10788 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
10789 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
10790 case of a structure passed in slot #15
10791 (sparc_function_arg_advance): Likewise.
10792 (function_arg_padding): Minor tweak.
10794 2016-02-29 Richard Biener <rguenther@suse.de>
10796 PR tree-optimization/69720
10797 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
10798 the adjustment_def path for possibly vectorized defs.
10799 (vect_create_epilog_for_reduction): Handle vectorized initial
10802 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
10804 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
10806 2016-02-27 Jeff Law <law@redhat.com>
10809 2016-02-26 Richard Biener <rguenther@suse.de>
10810 Jeff Law <law@redhat.com>
10812 PR tree-optimization/69740
10813 * cfghooks.c (remove_edge): Request loop fixups if we delete
10814 an edge that might turn an irreducible loop into a natural
10817 2016-02-27 Jakub Jelinek <jakub@redhat.com>
10819 PR rtl-optimization/69896
10820 * tree-vect-generic.c (get_compute_type): Avoid single element
10823 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
10825 Rename the AArch64 tuning option and related functions to enable the
10826 Newton series for the reciprocal square root to reflect its
10827 approximative characteristic.
10829 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
10830 function to "aarch64_emit_approx_rsqrt".
10831 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
10832 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
10833 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
10834 (xgene1_tunings): Likewise.
10835 (use_rsqrt_p): Likewise.
10836 (aarch64_emit_swrsqrt): Use new function name.
10837 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
10838 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
10839 text explaining this option.
10840 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
10842 2016-02-26 Jakub Jelinek <jakub@redhat.com>
10845 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
10846 complain about -mallow-movmisalign without -mvsx if
10847 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
10849 2016-02-26 Joel Sherrill <joel@rtems.org>
10851 * config.gcc: Add x86_64-*-rtems*.
10852 * config/i386/rtems-64.h: New file.
10854 2016-02-26 Joel Sherrill <joel@rtems.org>
10856 * config.gcc: Add aarch64-*-rtems*.
10857 * config/aarch64/rtems.h: New file.
10859 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
10862 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
10863 shift amount using %h. Add comment.
10865 2016-02-26 Richard Biener <rguenther@suse.de>
10866 Jeff Law <law@redhat.com>
10868 PR tree-optimization/69740
10869 * cfghooks.c (remove_edge): Request loop fixups if we delete
10870 an edge that might turn an irreducible loop into a natural
10873 2016-02-26 Martin Jambor <mjambor@suse.cz>
10875 PR middle-end/69920
10876 * tree-sra.c (sra_modify_assign): Do not remove loads of
10877 uninitialized aggregates to SSA_NAMEs.
10879 2016-02-26 Richard Henderson <rth@redhat.com>
10882 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
10883 pseudo in case the target rtx matches the source of the left
10886 2016-02-26 Martin Jambor <mjambor@suse.cz>
10889 * hsa.h (hsa_type_packed_p): Declare.
10890 * hsa.c (hsa_type_packed_p): New function.
10891 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
10893 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
10894 * hsa-brig.c (emit_basic_insn): Likewise.
10896 2016-02-26 Martin Jambor <mjambor@suse.cz>
10899 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
10901 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
10903 2016-02-26 Martin Jambor <mjambor@suse.cz>
10905 * hsa.h (is_a_helper): New overload for hsa_op_immed for
10906 hsa_op_with_type operands.
10907 (hsa_unsigned_type_for_type): Declare.
10908 * hsa.c (hsa_unsigned_type_for_type): New function.
10909 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
10910 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
10911 the finalizer. Do not emit extra move.
10913 2016-02-26 Martin Jambor <mjambor@suse.cz>
10915 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
10916 atomic operations in private segment.
10918 2016-02-26 Martin Jambor <mjambor@suse.cz>
10920 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
10921 statements to wi->info. Also disallow omp simd constructs.
10922 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
10923 for not gridifying. Dump special string for omp_for.
10925 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10928 * config/aarch64/aarch64.c (aarch64_set_current_function):
10929 Save/restore target globals when switching to
10930 target_option_default_node.
10932 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10935 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
10936 Return 0 if !SHIFT_COUNT_TRUNCATED.
10938 2016-02-26 Jakub Jelinek <jakub@redhat.com>
10939 Eric Botcazou <ebotcazou@adacore.com>
10941 PR rtl-optimization/69891
10942 * dse.c (scan_insn): If we can't figure out memset arguments
10943 or they are non-constant, call clear_rhs_from_active_local_stores.
10945 2016-02-26 Martin Liska <mliska@suse.cz>
10947 * doc/extend.texi: Mention clog10, clog10f an clog10l
10948 in Builtins section.
10950 2016-02-26 Martin Liska <mliska@suse.cz>
10952 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
10954 (resolve_args_picking_1): Likewise.
10955 * dwarf2out.h (struct GTY): Likewise.
10957 2016-02-26 Martin Liska <mliska@suse.cz>
10959 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
10960 with flag_checking.
10961 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
10963 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
10964 Martin Liska <mliska@suse.cz>
10966 * doc/install.texi: Mention --enable-valgrind-annotations.
10968 2016-02-26 Richard Biener <rguenther@suse.de>
10970 PR tree-optimization/69551
10971 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
10972 looking through aliases adjust DECL_PT_UID to refer to the
10973 ultimate alias target.
10975 2016-02-25 Martin Liska <mliska@suse.cz>
10977 PR middle-end/69919
10978 * alloc-pool.c (after_memory_report): New variable.
10979 * alloc-pool.h (base_pool_allocator ::release): Do not use
10980 the infrastructure if after_memory_report.
10981 * toplev.c (toplev::main): Mark after memory report.
10983 2016-02-25 Richard Biener <rguenther@suse.de>
10985 PR tree-optimization/48795
10986 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
10988 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
10991 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
10992 offloading is enabled and -fopenacc or -fopenmp is specified.
10993 (CRTOFFLOADEND): Likewise.
10994 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
10995 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
10996 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
10997 (offload_objects_file_name): New static var.
10998 (tool_cleanup): Remove offload_objects_file_name file.
10999 (find_offloadbeginend): Replace with ...
11000 (find_crtoffloadtable): ... this.
11001 (run_gcc): Remove offload_argc and offload_argv.
11002 Get offload_objects_file_name from -foffload-objects=... option.
11003 Read names of object files with offload from this file, pass them to
11004 compile_images_for_offload_targets. Don't call find_offloadbeginend and
11005 don't pass offloadbegin and offloadend to the linker. Don't pass
11006 offload non-LTO files to the linker, because now they're not claimed.
11008 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
11011 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11012 on builtin_unreachable.
11014 2016-02-25 Jakub Jelinek <jakub@redhat.com>
11016 PR rtl-optimization/69896
11017 * regcprop.c: Include cfgrtl.h.
11018 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11019 than remembered mode, either delete it (if noop_move_p), or
11020 treat like copy_p but not noop_p instruction.
11022 2016-02-24 Jakub Jelinek <jakub@redhat.com>
11025 * dwarf2out.c (gen_variable_die): Work around buggy LTO
11026 - allow NULL decl for Fortran DW_TAG_common_block variables.
11028 2016-02-24 Jason Merrill <jason@redhat.com>
11030 * common.opt (flifetime-dse): Add -flifetime-dse=1.
11032 2016-02-24 Richard Biener <rguenther@suse.de>
11033 Jakub Jelinek <jakub@redhat.com>
11035 PR middle-end/69760
11036 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11037 conditionally executed ops to well-defined overflow behavior.
11039 2016-02-24 Jakub Jelinek <jakub@redhat.com>
11041 PR middle-end/69915
11042 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11045 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11047 PR rtl-optimization/69886
11048 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11049 argument. Use it when checking validity of set instructions.
11050 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11051 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11053 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11054 * store-motion.c (find_moveable_store): Update
11055 can_assign_to_reg_without_clobbers_p callsite.
11057 2016-02-24 Richard Biener <rguenther@suse.de>
11059 PR middle-end/68963
11060 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11062 (record_nonwrapping_iv): Do not fall back to the low/high bound
11063 for non-constant IV bases if the stmt is not always executed.
11065 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11067 * config/arm/arm-cores.def (cortex-a32): New entry.
11068 * config/arm/arm-tables.opt: Regenerate.
11069 * config/arm/arm-tune.md: Regenerate.
11070 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11071 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11072 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11073 for -mcpu and -mtune.
11075 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11078 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11079 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11080 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11081 (atomic_loaddi_1): Delete.
11082 (atomic_loaddi): Rewrite expander using the above changes.
11084 2016-02-24 Jakub Jelinek <jakub@redhat.com>
11087 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11090 2016-02-24 Jakub Jelinek <jakub@redhat.com>
11091 Richard Biener <rguenth@suse.de>
11093 PR middle-end/69909
11094 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11095 set_mem_attributes if tem is SSA_NAME which got expanded
11098 2016-02-24 Richard Biener <rguenther@suse.de>
11100 PR tree-optimization/69907
11101 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11102 end of permutations for BB vectorization.
11104 2016-02-24 Christian Bruel <christian.bruel@st.com>
11106 * config/arm/arm-c.c (arm_option_override): Initialize
11107 target_option_current_node.
11108 * config/arm/arm.c (arm_pragma_target_parse): Replace
11109 build_target_option_node call by target_option_current_node.
11110 Set target_option_current_node.
11113 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
11116 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11117 define_insn_and_split to define_insn.
11118 (zero_extendqi<mode>2_dot2): Same.
11119 (extendqi<mode>2_dot): Same.
11120 (extendqi<mode>2_dot2): Same.
11122 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
11124 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11125 and add bypass for AES{D,E} and AESMC pairs.
11126 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11129 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
11131 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11132 series for reciprocal square root in Exynos M1.
11134 2016-02-23 Martin Sebor <msebor@redhat.com>
11137 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11138 __builtin_alloca_with_align.
11140 2016-02-23 Richard Henderson <rth@redhat.com>
11142 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11143 (ix86_register_pragmas): Remove __seg_tls.
11144 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11145 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11146 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11147 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11148 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11149 * doc/extend.texi (__seg_tls): Remove item.
11151 2016-02-23 Richard Biener <rguenther@suse.de>
11153 * alloc-pool.h (struct allocation_object): Make id member
11154 conditional on CHECKING_P again.
11155 (get_instance): Adjust.
11156 (base_pool_allocator): Likewise.
11158 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
11160 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11161 (parallelize_loops): In OpenACC kernels mode, set n_threads to
11163 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11165 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11167 2016-02-23 Richard Biener <rguenther@suse.de>
11169 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11170 * bitmap.h (struct bitmap_usage): Likewise.
11171 (bitmap_move): Declare.
11172 * bitmap.c (register_overhead): Take size_t argument.
11173 (bitmap_move): New function.
11174 * df-problems.c (df_rd_transfer_function): Use bitmap_move
11175 to properly account overhead.
11176 * tree.c (free_node): Use tree_size.
11178 2016-02-23 Jakub Jelinek <jakub@redhat.com>
11181 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11182 when inverting comparison.
11185 * common.opt (Wunreachable-code): Add Warning flag.
11187 2016-02-23 Mark Wielaard <mjw@redhat.com>
11188 Jakub Jelinek <jakub@redhat.com>
11191 * cgraphunit.c (check_global_declaration): Check main_input_filename
11192 and DECL_SOURCE_FILE are not NULL.
11194 2016-02-23 Martin Jambor <mjambor@suse.cz>
11196 PR tree-optimization/69666
11197 * tree-sra.c (sra_modify_assign): Do not attempt to create
11198 default_def replacements for unscalarizable regions.
11200 2016-02-20 Mark Wielaard <mjw@redhat.com>
11203 * cgraphunit.c (check_global_declaration): Check level of
11204 warn_unused_const_variable and main_input_filename.
11205 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
11206 (-Wunused-variable): For C implies -Wunused-const-variable=1.
11207 (-Wunused-const-variable): Explain levels 1 and 2.
11209 2016-02-22 Jakub Jelinek <jakub@redhat.com>
11212 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
11213 identical arguments. Formatting and spelling fixes.
11216 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
11221 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
11222 and m68k-devices.def.
11223 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
11224 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
11226 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
11228 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
11229 and HImode registers.
11231 2016-02-22 Richard Biener <rguenther@suse.de>
11233 PR tree-optimization/69882
11234 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
11235 preserve permutations present because of gaps.
11236 (vect_supported_load_permutation_p): Always continue checking
11237 permutations after vect_attempt_slp_rearrange_stmts.
11239 2016-02-22 Bin Cheng <bin.cheng@arm.com>
11241 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
11242 min_profitable_estimate, rather than min_profitable_iters.
11244 2016-02-22 Jakub Jelinek <jakub@redhat.com>
11247 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
11248 SImode for last match_operand.
11250 2016-02-22 Martin Liska <mliska@suse.cz>
11252 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
11253 return bitsize - 1 as the return value.
11255 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
11259 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
11260 Handle negative shift counts.
11261 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
11262 force_reg on the shift constant.
11263 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
11264 (lshrsi3_d): Handle negative shift counts.
11266 2016-02-22 Richard Biener <rguenther@suse.de>
11267 Tom de Vries <tom@codesourcery.com>
11269 * graph.c: Include dumpfile.h.
11270 (print_graph_cfg): Split into three overloads.
11271 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
11273 2016-02-22 Tom de Vries <tom@codesourcery.com>
11275 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
11278 2016-02-22 Richard Biener <rguenther@suse.de>
11281 * ipa-inline-transform.c (inline_call): When not updating
11282 overall summaries adjust self size by the growth estimate.
11283 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
11284 hash-set, do not update overall summaries here. Renamed from ...
11285 (inline_to_all_callers): ... this which is now wrapping the
11286 above and performing delayed overall summary update.
11287 (early_inline_small_functions): Delay updating of the overall
11290 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
11292 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
11295 2016-02-19 Jakub Jelinek <jakub@redhat.com>
11298 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
11299 :%* in %:gt() argument.
11300 (greater_than_spec_func): Adjust for expecting only numbers,
11301 if there are more than two numbers, compare the last two.
11303 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
11305 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
11306 -Wnarrowing with -std.
11308 2016-02-19 Jakub Jelinek <jakub@redhat.com>
11311 * expr.c (store_field): Don't use bit-field path if exp is
11312 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
11313 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
11314 and the assignment can be performed by bitwise copy. Formatting
11317 PR middle-end/69838
11318 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
11319 call copy_reg_eh_region_note_forward on before and/or after sequences
11320 and remove note from insn if it no longer can throw.
11323 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
11324 if TARGET_AVX512BW.
11326 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11328 * config/s390/vector.md: Add missing commutative operand markers
11329 to the patterns which qualify for one.
11330 * config/s390/vx-builtins.md: Likewise.
11332 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11334 * config/s390/vector.md (VI, VI_QHS): Add single element vector
11335 types to mode iterators.
11336 (vec_double): ... and mode attribute.
11337 * config/s390/vx-builtins.md (non_vec_int): Likewise.
11339 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11341 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
11342 Change the predicate of op2 from nonimmediate to general and let
11343 reload fix it if necessary.
11345 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11347 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
11349 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11351 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
11354 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11356 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
11357 * config/s390/s390.c (s390_expand_vec_movstr): New function.
11358 * config/s390/s390.md ("movstr<P:mode>"): Call
11359 s390_expand_vec_movstr.
11361 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11363 * config/s390/s390.md: Add missing output modifier for operand 1
11364 to print it as address properly.
11366 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11368 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
11369 * config/s390/2964.md: New file.
11370 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
11371 of insn grouping attributes depending on the CPU level.
11372 (s390_get_unit_mask): New function.
11373 (s390_sched_score): Remove the OOO from the scheduling macros.
11374 Add loop to calculate a score for the instruction mix.
11375 (s390_sched_reorder): Likewise plus improve debug output.
11376 (s390_sched_variable_issue): Rename macros as above. Calculate
11377 the unit distances after actually scheduling an insn. Improve
11379 (s390_sched_init): Clear last_scheduled_unit_distance array.
11380 * config/s390/s390.md: Include 2964.md.
11382 2016-02-18 Jakub Jelinek <jakub@redhat.com>
11385 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
11386 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
11387 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
11388 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
11389 *avx512f_<code>v8div16qi2_mask_1): New insns.
11391 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
11394 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
11397 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
11398 earlyclobber from target. Use wF constraint for fused memory
11400 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
11402 2016-02-18 Jakub Jelinek <jakub@redhat.com>
11403 Martin Liska <mliska@suse.cz>
11406 * cfgexpand.c (asan_sanitize_stack_p): New function.
11407 (partition_stack_vars): Use the function.
11408 (expand_stack_vars): Likewise.
11409 (defer_stack_allocation): Likewise.
11410 (expand_used_vars): Likewise.
11412 2016-02-18 Richard Biener <rguenther@suse.de>
11414 PR middle-end/69553
11415 * fold-const.c (operand_equal_p): Properly compare offsets for
11416 IMAGPART_EXPR and ARRAY_REF.
11418 2016-02-18 Nick Clifton <nickc@redhat.com>
11422 * config/arm/arm.c (arm_option_override_internal): Disable
11423 interworking if the target does not support thumb instructions.
11424 (arm_reload_in_hi): Handle the case where a register to register
11425 move needs reloading because there is no simple pattern to handle
11427 (arm_reload_out_hi): Likewise.
11429 2016-02-18 Richard Biener <rguenther@suse.de>
11431 PR middle-end/69854
11432 * match.pd: Don't use fold_binary or fold_unary for folding
11435 2016-02-17 Jakub Jelinek <jakub@redhat.com>
11438 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
11439 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
11440 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
11441 warn on gimple_no_warning_p statements.
11443 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
11445 * doc/extend.texi (C++ Attributes): Correct description of
11446 warn_unused type attribute.
11448 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11450 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
11451 correct instruction.
11453 2016-02-17 Richard Biener <rguenther@suse.de>
11455 PR rtl-optimization/69609
11456 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
11457 (find_traces_1_round): When ending a trace update cached priority
11459 (bb_to_key): Use cached priority when available.
11460 (copy_bb): Initialize cached priority.
11461 (reorder_basic_blocks_software_trace_cache): Likewise.
11463 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11466 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
11468 (aarch64_comparison_operator): Break overly long line into two.
11469 (aarch64_comparison_operation): Likewise.
11470 * config/aarch64/aarch64.md (cstorecc4): Use
11471 aarch64_comparison_operator_mode instead of
11472 aarch64_comparison_operator.
11473 (cstore<mode>4): Likewise.
11474 (aarch64_cstore<mode>): Likewise.
11475 (*cstoresi_insn_uxtw): Likewise.
11476 (cstore<mode>_neg): Likewise.
11477 (*cstoresi_neg_uxtw): Likewise.
11479 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11482 * config/arm/predicates.md (arm_comparison_operator_mode):
11484 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
11485 instead of arm_comparison_operator.
11486 (*mov_negscc): Likewise.
11487 (*mov_notscc): Likewise.
11488 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
11489 (*thumb2_mov_negscc): Likewise.
11490 (*thumb2_mov_negscc_strict_it): Likewise.
11491 (*thumb2_mov_notscc): Likewise.
11492 (*thumb2_mov_notscc_strict_it): Likewise.
11494 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
11496 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
11497 Add missing return.
11499 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
11501 * config/visium/visium.c (machine_libfunc_index): New enum.
11502 (machine_libfuncs): New structure.
11503 (visium_libfuncs): New static variable.
11504 (TARGET_INIT_LIBFUNCS): Define to...
11505 (visium_init_libfuncs): ...this. New function.
11506 (expand_block_move_4): Use the appropriate libfunc.
11507 (expand_block_move_2): Likewise.
11508 (expand_block_move_1): Likewise.
11509 (expand_block_set_4): Likewise.
11510 (expand_block_set_2): Likewise.
11511 (expand_block_set_1): Likewise.
11512 (visium_trampoline_init): Likewise.
11514 2016-02-17 Nick Clifton <nickc@redhat.com>
11516 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
11517 TI's devices.csv file as of March 2016.
11519 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
11522 * opts-global.c (handle_common_deferred_options): Introduce and
11523 initialize two global variables to remember command-line options
11524 specifying a stack-limiting register.
11525 * opts.h: Add extern declarations of the two new global variables.
11526 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
11527 variable based on the values of the two new global variables.
11529 2016-02-16 Jakub Jelinek <jakub@redhat.com>
11532 * common.opt (Wnonnull-compare): New warning.
11533 * doc/invoke.texi (-Wnonnull): Remove text about comparison
11534 of arguments against NULL.
11535 (-Wnonnull-compare): Document.
11536 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
11537 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
11538 * passes.def (pass_warn_nonnull_compare): Add.
11539 * gimple-ssa-nonnull-compare.c: New file.
11541 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
11543 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
11544 AARCH64_EXTRA_TUNE_RECIP_SQRT.
11546 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
11548 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
11549 reciprocal sqrt for -mlow-precision-recip-sqrt.
11551 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
11552 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
11554 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
11555 always use lane loads to construct non-constant vectors.
11557 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
11559 * config/aarch64/aarch64.md
11560 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
11561 constraints for operand 3.
11562 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
11564 2016-02-16 Jakub Jelinek <jakub@redhat.com>
11565 Richard Biener <rguenther@suse.de>
11567 PR tree-optimization/69820
11568 * tree-vect-patterns.c (type_conversion_p): Return false if
11569 *orig_type is unsigned single precision or boolean.
11570 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
11573 2016-02-16 Jakub Jelinek <jakub@redhat.com>
11575 PR rtl-optimization/69764
11576 PR rtl-optimization/69771
11577 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
11578 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
11580 2016-02-16 Richard Biener <rguenther@suse.de>
11582 PR tree-optimization/69776
11583 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
11585 (indirect_refs_may_alias_p): Likewise.
11586 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
11587 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
11588 according to tbaa_p.
11589 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
11590 (optimize_stmt): For redundant store discovery do not allow tbaa.
11592 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
11594 PR tree-optimization/69714
11595 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
11596 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
11598 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
11600 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
11601 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
11602 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
11603 * config/arc/arc.c (arc_init): Check FPU options.
11604 (get_arc_condition_code): Handle new CC_FPU* modes.
11605 (arc_select_cc_mode): Likewise.
11606 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
11607 register pair only. Allow access for ARCv2 accumulator.
11608 (gen_compare_reg): Whenever we have FPU support use FPU compare
11610 (arc_reorg): Don't generate brcc insns when FPU compare
11611 instructions are involved.
11612 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
11613 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
11614 floating point emulation.
11615 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
11616 (REVERSE_CONDITION): Add new CC_FPU* modes.
11617 (TARGET_FP_SP_BASE): Define.
11618 (TARGET_FP_DP_BASE): Likewise.
11619 (TARGET_FP_SP_FUSED): Likewise.
11620 (TARGET_FP_DP_FUSED): Likewise.
11621 (TARGET_FP_SP_CONV): Likewise.
11622 (TARGET_FP_DP_CONV): Likewise.
11623 (TARGET_FP_SP_SQRT): Likewise.
11624 (TARGET_FP_DP_SQRT): Likewise.
11625 (TARGET_FP_DP_AX): Likewise.
11626 * config/arc/arc.md (ARCV2_ACC): New constant.
11627 (type): New fpu type attribute.
11628 (SDF): Conditional iterator.
11629 (cstore<mode>, cbranch<mode>): Change expand condition.
11630 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
11631 handles FPU/FPX cases as well.
11632 * config/arc/arc.opt (mfpu): New option.
11633 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
11635 (adddf3, muldf3, subdf3): Removed.
11636 * config/arc/predicates.md (proper_comparison_operator): Recognize
11638 * config/arc/fpu.md: New file.
11639 * doc/invoke.texi (ARC Options): Document mfpu option.
11641 2016-02-16 Richard Biener <rguenther@suse.de>
11643 PR rtl-optimization/69291
11644 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
11645 noce_operand_ok check.
11647 2016-02-16 Tom de Vries <tom@codesourcery.com>
11650 * omp-low.c (simd_clone_create): Remove call to
11651 symtab->call_cgraph_insertion_hooks.
11653 2016-02-16 Jakub Jelinek <jakub@redhat.com>
11655 PR tree-optimization/69802
11656 * tree-ssa-reassoc.c (update_range_test): If op is
11657 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
11658 op == 1 test of precision 1 integral op, otherwise handle
11659 that case as op itself. Fix up formatting.
11660 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
11663 2016-02-16 Richard Biener <rguenther@suse.de>
11665 PR tree-optimization/69586
11666 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
11667 types for conversion sources.
11669 2016-02-16 Richard Biener <rguenther@suse.de>
11671 PR middle-end/69801
11672 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
11673 mask OEP_ADDRESS_OF.
11675 2016-02-16 Alan Modra <amodra@gmail.com>
11678 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
11679 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
11680 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
11682 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
11683 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
11684 (p8_fmrgow_<mode>): Likewise.
11685 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
11687 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
11688 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
11689 to use movdi_internal64. Remove op0_di.
11690 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
11692 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
11694 Add support for the FCCMP insn types
11696 * config/aarch64/aarch64.md (fccmp): Change insn type.
11697 (fccmpe): Likewise.
11698 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
11699 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
11700 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
11701 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
11702 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
11703 * config/arm/types.md (fccmps): Add new insn type.
11704 (fccmpd): Likewise.
11706 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
11708 * alias.c (get_alias_set): Fix a typo in comment.
11710 2016-02-15 Richard Biener <rguenther@suse.de>
11712 PR tree-optimization/69595
11713 * match.pd: Complete range test simplification to true.
11715 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
11717 PR rtl-optimization/69648
11718 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
11719 pic_offset_table_rtx.
11721 PR rtl-optimization/69752
11722 * ira.c (update_equiv_regs): When looking for more than a single SET,
11723 also take other side effects into account.
11725 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
11727 * config/s390/s390.c (s390_function_profiler): Add a new sequence
11728 for z900+ CPUs in 31-bit mode.
11730 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
11732 * common/config/s390/s390-common.c (s390_supports_split_stack):
11734 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
11735 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
11736 * config/s390/s390.c (struct machine_function): New field
11737 split_stack_varargs_pointer.
11738 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
11739 in s390_emit_prologue.
11740 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
11742 (morestack_ref): New global.
11743 (SPLIT_STACK_AVAILABLE): New macro.
11744 (s390_expand_split_stack_prologue): New function.
11745 (s390_live_on_entry): New function.
11746 (s390_va_start): Use split-stack vararg pointer if appropriate.
11747 (s390_asm_file_end): Emit the split-stack note sections.
11748 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
11749 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
11750 (UNSPECV_SPLIT_STACK_CALL): New unspec.
11751 (UNSPECV_SPLIT_STACK_DATA): New unspec.
11752 (split_stack_prologue): New expand.
11753 (split_stack_space_check): New expand.
11754 (split_stack_data): New insn.
11755 (split_stack_call): New expand.
11756 (split_stack_call_*): New insn.
11757 (split_stack_cond_call): New expand.
11758 (split_stack_cond_call_*): New insn.
11760 2016-02-15 Richard Biener <rguenther@suse.de>
11762 PR tree-optimization/69783
11763 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
11764 Add trivially correct cases.
11766 2016-02-15 Tom de Vries <tom@codesourcery.com>
11769 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
11771 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
11773 2016-02-15 Richard Biener <rguenther@suse.de>
11775 PR tree-optimization/69776
11776 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
11777 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
11778 indicate whether we can use TBAA to disambiguate against stores.
11779 Use alias-set zero if not.
11780 (visit_reference_op_store): Do not use TBAA when looking up
11782 * tree-ssa-pre.c (compute_avail): Use TBAA here.
11783 (eliminate_dom_walker::before_dom_children): But not when looking
11784 up redundant stores.
11786 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
11788 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
11790 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
11792 * config/i386/znver1.md
11793 (znver1_pop, znver1_pop_mem,
11794 znver1_load_imov_double_store,
11795 znver1_load_imov_direct_store,
11796 znver1_load_imov_direct_load,
11797 znver1_load_imov_double_load): Add new.
11798 (znver1_insn, znver1_insn_load): Add icmov type.
11799 (znver1_sseavx_fma,
11800 znver1_sseavx_fma_load,
11802 znver1_avx256_fma_load): Fix pipe usage.
11804 2016-02-14 Alan Modra <amodra@gmail.com>
11807 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
11808 with an invalid hard reg, reload just the reg not the entire
11809 pre/post-inc/dec address expression.
11811 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
11814 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
11815 fixed R1_REG scratch reg.
11816 (sibcall_value_pcrel_fdpic): Likewise.
11818 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
11822 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
11824 2016-02-12 Walter Lee <walt@tilera.com>
11826 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
11827 * config/tilegx/t-tilegx: Likewise.
11829 2016-02-12 David Malcolm <dmalcolm@redhat.com>
11832 * diagnostic-show-locus.c (struct line_span): New struct.
11833 (layout::get_first_line): Delete.
11834 (layout::get_last_line): Delete.
11835 (layout::get_num_line_spans): New member function.
11836 (layout::get_line_span): Likewise.
11837 (layout::print_heading_for_line_span_index_p): Likewise.
11838 (layout::get_expanded_location): Likewise.
11839 (layout::calculate_line_spans): Likewise.
11840 (layout::m_first_line): Delete.
11841 (layout::m_last_line): Delete.
11842 (layout::m_line_spans): New field.
11843 (layout::layout): Update comment. Replace m_first_line and
11844 m_last_line with m_line_spans, replacing their initialization
11845 with a call to calculate_line_spans.
11846 (diagnostic_show_locus): When printing source lines and
11847 annotations, rather than looping over a single span
11848 of lines, instead loop over each line_span within
11849 the layout, with an inner loop over the lines within them.
11850 Call the context's start_span callback when changing line spans.
11851 * diagnostic.c (diagnostic_initialize): Initialize start_span.
11852 (diagnostic_build_prefix): Break out the building of the location
11853 part of the string into...
11854 (diagnostic_get_location_text): ...this new function, rewriting
11855 it from nested ternary expressions to a sequence of "if"
11857 (default_diagnostic_start_span_fn): New function.
11858 * diagnostic.h (diagnostic_start_span_fn): New typedef.
11859 (diagnostic_context::start_span): New field.
11860 (default_diagnostic_start_span_fn): New prototype.
11862 2016-02-12 David Malcolm <dmalcolm@redhat.com>
11865 * gcc.c (driver::finalize): Fix cleanup of "specs".
11867 2016-02-12 David Malcolm <dmalcolm@redhat.com>
11871 * gcc.c (driver::driver): Initialize m_option_suggestions.
11872 (driver::~driver): Clean up m_option_suggestions.
11873 (suggest_option): Convert to...
11874 (driver::suggest_option): ...this, and split out into
11875 driver::build_option_suggestions and find_closest_string.
11876 (driver::build_option_suggestions): New function, from
11877 first half of suggest_option. Special-case
11878 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
11879 the sanitizer_opts array. For options of enum types, add the
11880 various enum values to the candidate strings.
11881 (driver::handle_unrecognized_options): Remove "const".
11882 * gcc.h (driver::handle_unrecognized_options): Likewise.
11883 (driver::build_option_suggestions): New decl.
11884 (driver::suggest_option): New decl.
11885 (driver::m_option_suggestions): New field.
11886 * opts-common.c (add_misspelling_candidates): New function.
11887 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
11888 and make non-static.
11889 * opts.h (sanitizer_opts): New array decl.
11890 (add_misspelling_candidates): New function decl.
11891 * spellcheck.c (find_closest_string): New function.
11892 * spellcheck.h (find_closest_string): New function decl.
11894 2016-02-12 Jakub Jelinek <jakub@redhat.com>
11896 PR rtl-optimization/69764
11897 PR rtl-optimization/69771
11898 * optabs.c (expand_binop_directly): For shift_optab_p, force
11899 convert_modes with VOIDmode if xop1 has VOIDmode.
11901 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
11904 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
11905 to correctly determine instrumentation thunks.
11907 2016-02-12 Jakub Jelinek <jakub@redhat.com>
11910 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
11911 type by reference, force lhs on the call.
11914 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
11915 Compute retval and retbnd early in all cases if split_part_return_p
11916 and return_bb is not EXIT. Remove all clobber stmts and reset
11917 all debug stmts that refer to SSA_NAMEs defined in split part,
11918 except if it is retval, in that case replace the old retval with the
11919 lhs of the call to the split part.
11921 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
11924 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
11926 PR middle-end/66726
11927 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
11928 whose result is used in PHI.
11929 (maybe_optimize_range_tests): Likewise.
11930 (final_range_test_p): Likweise.
11932 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
11934 PR middle-end/66726
11935 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
11936 whose result is used in PHI.
11937 (maybe_optimize_range_tests): Likewise.
11938 (final_range_test_p): Likweise.
11940 2016-02-12 Jakub Jelinek <jakub@redhat.com>
11942 * cgraph.c: Spelling fixes - behaviour -> behavior and
11943 neighbour -> neighbor.
11944 * target.def: Likewise.
11945 * sel-sched.c: Likewise.
11946 * config/mips/mips.c: Likewise.
11947 * config/arc/arc.md: Likewise.
11948 * config/arm/cortex-a57.md: Likewise.
11949 * config/arm/arm.c: Likewise.
11950 * config/arm/neon.md: Likewise.
11951 * config/arm/arm-c.c: Likewise.
11952 * config/vms/vms-c.c: Likewise.
11953 * config/s390/s390.c: Likewise.
11954 * config/i386/znver1.md: Likewise.
11955 * config/i386/i386.c: Likewise.
11956 * config/ia64/hpux-unix2003.h: Likewise.
11957 * config/msp430/msp430.md: Likewise.
11958 * config/rx/rx.c: Likewise.
11959 * config/rx/rx.md: Likewise.
11960 * config/aarch64/aarch64-simd.md: Likewise.
11961 * config/aarch64/aarch64.c: Likewise.
11962 * config/nvptx/nvptx.c: Likewise.
11963 * config/bfin/bfin.c: Likewise.
11964 * config/cris/cris.opt: Likewise.
11965 * config/rs6000/rs6000.c: Likewise.
11966 * target.h: Likewise.
11967 * spellcheck.c: Likewise.
11968 * ira-build.c: Likewise.
11969 * tree-inline.c: Likewise.
11970 * builtins.c: Likewise.
11971 * lra-constraints.c: Likewise.
11972 * explow.c: Likewise.
11973 * hwint.h: Likewise.
11974 * targhooks.c: Likewise.
11975 * tree-vect-data-refs.c: Likewise.
11976 * expr.c: Likewise.
11977 * doc/tm.texi: Likewise.
11978 * doc/extend.texi: Likewise.
11979 * doc/install.texi: Likewise.
11980 * doc/md.texi: Likewise.
11981 * tree-ssa-tail-merge.c: Likewise.
11982 * sched-int.h: Likewise.
11983 * match.pd: Likewise.
11984 * sched-ebb.c: Likewise.
11985 * target.def (omit_struct_return_reg): Likewise.
11986 * gimple-ssa-isolate-paths.c: Likewise.
11987 (find_implicit_erroneous_behaviour): Renamed to...
11988 (find_implicit_erroneous_behavior): ... this.
11989 (find_explicit_erroneous_behaviour): Renamed to...
11990 (find_explicit_erroneous_behavior): ... this.
11991 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
11993 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
11995 PR rtl-optimization/64682
11996 PR rtl-optimization/69567
11997 PR rtl-optimization/69737
11998 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
11999 in I2 as well, just lose it.
12001 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12003 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12005 (aarch64_last_printed_tune_string): Likewise.
12006 (aarch64_declare_function_name): Only output .arch assembler
12007 directive if it will be different from the previously output
12008 directive. Same for .tune comment but only if -dA is set.
12009 (aarch64_start_file): New function.
12010 (TARGET_ASM_FILE_START): Define.
12012 2016-02-11 David Malcolm <dmalcolm@redhat.com>
12015 * Makefile.in (PLUGIN_HEADERS): Add params.list.
12017 2016-02-11 Jakub Jelinek <jakub@redhat.com>
12020 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12021 -Wmaybe-uninitialized warning.
12023 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
12026 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12028 2016-02-11 Richard Biener <rguenther@suse.de>
12030 PR rtl-optimization/69291
12031 * ifcvt.c (noce_try_store_flag_constants): Do not allow
12032 subexpressions affected by changing the result.
12034 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
12037 * lra-constraints.c (curr_insn_transform): Find in/out operands
12038 for secondary memory moves. Update dups.
12040 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
12042 PR tree-optimization/69652
12043 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12044 to nested loop, did source re-formatting, skip debug statements,
12045 add check on statement with volatile operand, remove dead scalar
12048 2016-02-10 Jakub Jelinek <jakub@redhat.com>
12049 Patrick Palka <ppalka@gcc.gnu.org>
12053 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12054 calls if the return type is TREE_ADDRESSABLE.
12055 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12056 * ipa-split.c (split_function): Fix doubled "we" in comment.
12057 Use void return type for the split part even if
12058 !split_point->split_part_set_retval.
12060 2016-02-10 Bin Cheng <bin.cheng@arm.com>
12062 PR tree-optimization/68021
12063 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12064 when computing the value of biv cand by itself.
12066 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
12068 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12069 (cortexa57_tunings): Likewise.
12070 (cortexa72_tunings): Likewise.
12071 (arch_macro_fusion_pair_p): Add support for AES fusion.
12072 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12073 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12074 Allow virtual registers before reload so early scheduling works.
12075 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12076 correct latency and pipeline.
12077 (cortex_a57_crypto_complex): Likewise.
12078 (cortex_a57_crypto_xor): Likewise.
12079 (define_bypass): Add AES bypass.
12081 2016-02-10 Richard Biener <rguenther@suse.de>
12083 PR tree-optimization/69726
12084 * passes.def: Add DCE pass before late uninit.
12085 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12086 really fixup if-conversions job.
12088 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
12090 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12091 (arm_cortex_a57_tune): Likewise.
12092 (aarch_macro_fusion_pair_p): Add support for AES fusion.
12093 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12095 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
12097 * timevar.def (TV_PHASE_DBGINFO): Delete.
12098 (TV_PHASE_CHECK_DBGINFO): Likewise.
12099 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12101 2016-02-10 Richard Biener <rguenther@suse.de>
12103 PR tree-optimization/69719
12104 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12105 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12107 2016-02-09 Andrew Pinski <apinski@cavium.com>
12110 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12111 get_vcond_mask_icode returns false.
12113 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
12116 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12117 an ADDIS that adds a pointer to a large constant that sets the
12118 upper16 bits with a load operation.
12120 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
12123 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12125 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12127 (vzipq_s16): Likewise.
12128 (vzipq_s32): Likewise.
12129 (vzipq_f32): Likewise.
12130 (vzipq_u8): Likewise.
12131 (vzipq_u16): Likewise.
12132 (vzipq_u32): Likewise.
12133 (vzipq_p8): Likewise.
12134 (vzipq_p16): Likewise.
12136 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
12139 * config/arm/arm.c (neon_endian_lane_map): New function.
12140 (neon_vector_pair_endian_lane_map): New function.
12141 (arm_evpc_neon_vuzp): Allow for big endian lane order.
12142 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12144 (vuzpq_s16): Likewise.
12145 (vuzpq_s32): Likewise.
12146 (vuzpq_f32): Likewise.
12147 (vuzpq_u8): Likewise.
12148 (vuzpq_u16): Likewise.
12149 (vuzpq_u32): Likewise.
12150 (vuzpq_p8): Likewise.
12151 (vuzpq_p16): Likewise.
12153 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
12156 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12159 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
12161 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12162 truncate const_int operand 1 to QImode.
12164 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
12166 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12167 corresponding to an abnormal edge.
12169 2016-02-09 Tom de Vries <tom@codesourcery.com>
12171 PR tree-optimization/69599
12172 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12174 (find_func_aliases_for_builtin_call, find_func_clobbers)
12175 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
12178 2016-02-09 Richard Biener <rguenther@suse.de>
12180 PR tree-optimization/69715
12181 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12182 LHS on calls as non-rewritable.
12184 2016-02-09 Tom de Vries <tom@codesourcery.com>
12187 * lto-wrapper.c (append_diag_options): New function.
12188 (compile_offload_image): Call append_diag_options.
12190 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
12193 * doc/extend.texi (Flag Output Operands): Correct sectioning.
12194 Minor copy-edit to fix verb tenses.
12196 2016-02-08 Jakub Jelinek <jakub@redhat.com>
12198 PR tree-optimization/69209
12199 * ipa-split.c (split_function): If split part is not
12200 returning retval, retval has gimple type but is not
12201 gimple value, force it into a SSA_NAME first.
12203 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
12205 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
12208 2016-02-08 Jason Merrill <jason@redhat.com>
12211 * convert.c (convert_to_integer_1): Check dofold on truncation
12213 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
12214 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
12215 Rename from *_nofold.
12216 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
12217 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
12219 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
12222 * tree.c (build_common_tree_nodes): Remove short_double argument.
12223 All callers changed.
12224 * tree.h (build_common_tree_nodes): Adjust declaration.
12225 * doc/invoke.texi (-fshort-double): Remove documentation.
12226 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12227 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
12228 * lto-wrapper.c (merge_and_complain, append_compiler_options)
12229 (append_linker_options): Don't handle OPT_fshort_double.
12231 PR rtl-optimization/68730
12232 * lra-remat.c (insn_to_cand_activation): New static variable.
12233 (lra_remat): Allocate and free it.
12234 (create_cand): New arg activation. Initialize a field in
12235 insn_to_cand_activation if it is nonnull.
12236 (create_cands): Pass the activation insn to create_cand when making
12237 a candidate involving an output reload. Reorganize code a little.
12238 (do_remat): Keep track of active status of candidates in a separate
12241 2016-02-08 Richard Biener <rguenther@suse.de>
12243 PR tree-optimization/69719
12244 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12245 Properly use absolute of the difference of the two offsets to
12246 compare or adjust the segment length.
12248 2016-02-08 Richard Biener <rguenther@suse.de>
12249 Jeff Law <law@redhat.com>
12252 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
12253 types for anonymous SSA names.
12255 2016-02-08 Richard Biener <rguenther@suse.de>
12257 PR rtl-optimization/69274
12258 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
12260 2016-02-08 Jeff Law <law@redhat.com>
12262 PR tree-optimization/65917
12263 * tree-ssa-dom.c (record_temporary_equivalences): Record both
12264 equivalences from if (x == y) style conditionals.
12265 (loop_depth_of_name): Remove.
12266 (record_equality): Remove loop depth check.
12267 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
12268 (const_and_copies::record_const_or_copy_raw): New member function.
12269 * tree-ssa-scopedtables.c
12270 (const_and_copies::record_const_or_copy_raw): New, factored out of
12271 (const_and_copies::record_const_or_copy): Call new member function.
12273 2016-02-05 Jeff Law <law@redhat.com>
12275 PR tree-optimization/68541
12276 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
12277 (count_stmts_in_block): New function.
12278 (poor_ifcvt_candidate_code): Likewise.
12279 (is_feasible_trace): Add some heuristics to determine when path
12280 splitting is profitable.
12281 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
12282 is a diamond with a single exit.
12284 2016-02-05 Martin Sebor <msebor@redhat.com>
12287 * doc/invoke.texi: Update -Wplacement-new to take an optional
12290 2016-02-06 Richard Henderson <rth@redhat.com>
12293 * tree.c (tree_nop_conversion_p): Do not strip casts into or
12294 out of non-standard address spaces.
12296 2016-02-05 Jakub Jelinek <jakub@redhat.com>
12298 PR rtl-optimization/69691
12299 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
12301 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
12303 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
12304 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
12305 (*ieee128_mfvsrd_64bit): Likewise.
12306 (*ieee128_mfvsrd_32bit): Likewise.
12308 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
12312 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
12314 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12315 instrumented_version.
12317 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
12319 * doc/invoke.texi (Optimize Options): In table of --param options
12320 rename second occurrence of tracer-min-branch-ratio to
12321 tracer-min-branch-probability, rename
12322 tracer-min-branch-ratio-feedback to
12323 tracer-min-branch-probability-feedback and clarify description,
12324 rename sched-spec-state-edge-prob-cutoff to
12325 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
12326 to selsched-insns-to-rename, rename lto-minpartition to
12327 lto-min-partition, delete reorder-blocks-duplicate and
12328 reorder-blocks-duplicate-feedback.
12330 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12332 * config/s390/s390.c (s390_register_info_set_ranges): Remove
12335 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
12337 * doc/extend.texi: S/390: Correct some typos.
12339 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12341 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
12343 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12346 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
12347 (s390_register_info_gprtofpr): Use new macros above.
12348 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
12350 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
12351 its name. Adjust restore and save gpr ranges.
12352 (s390_register_info_set_ranges): New function.
12353 (s390_register_info): Use new macros above. Call
12354 s390_register_info_set_ranges.
12355 (s390_optimize_register_info): Likewise.
12356 (s390_hard_regno_rename_ok): Use new macros.
12357 (s390_hard_regno_scratch_ok): Likewise.
12358 (s390_emit_epilogue): Likewise.
12359 (s390_can_use_return_insn): Likewise.
12360 (s390_optimize_prologue): Likewise.
12361 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
12363 2016-02-05 Jakub Jelinek <jakub@redhat.com>
12366 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
12368 (ix86_option_override_internal): Disable TARGET_STV even for
12369 -m{incoming,preferred}-stack-boundary=3.
12371 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
12373 * config.gcc: Mark deprecated rtems targets as obsolete.
12375 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
12377 PR rtl-optimization/64682
12378 PR rtl-optimization/69567
12379 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
12380 before I2 only if the register is both used and set in I2.
12382 2016-02-04 DJ Delorie <dj@redhat.com>
12384 * config/msp430/msp430.c (msp430_start_function): Add function type.
12386 2016-02-04 Jakub Jelinek <jakub@redhat.com>
12389 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
12391 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
12393 PR rtl-optimization/69577
12395 2015-10-29 Richard Henderson <rth@redhat.com>
12399 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
12400 sse check to the exact conditions of PR 67609.
12402 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
12405 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
12406 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
12407 not allowed into the traditional Altivec registers.
12408 (movtd_64bit_nodm): Likewise.
12409 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
12411 2016-02-04 David Malcolm <dmalcolm@redhat.com>
12413 * config/aarch64/cortex-a57-fma-steering.c
12414 (aarch64_register_fma_steering): Remove "static" from arguments
12417 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
12420 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
12421 twice when complex.
12423 2016-02-04 Mike Frysinger <vapier@gentoo.org>
12425 * doc/invoke.texi: Delete -mno-fma4.
12427 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
12429 PR rtl-optimization/69577
12430 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
12431 (find_subregs_of_mode): Update accordingly. Iterate over partial
12434 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
12436 * config/arm/arm-protos.h (neon_reinterpret): Remove.
12437 * config/arm/arm.c (neon_reinterpret): Remove.
12438 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
12439 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
12440 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
12441 vreinterpretti): Remove.
12442 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
12443 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
12444 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
12445 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
12446 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
12447 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
12448 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
12449 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
12450 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
12451 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
12452 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
12453 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
12454 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
12455 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
12456 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
12457 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
12458 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
12459 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
12460 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
12461 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
12462 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
12463 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
12464 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
12465 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
12466 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
12467 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
12468 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
12469 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
12470 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
12471 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
12472 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
12473 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
12474 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
12475 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
12476 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
12477 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
12478 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
12479 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
12480 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
12481 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
12482 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
12483 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
12484 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
12485 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
12486 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
12487 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
12488 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
12489 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
12490 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
12491 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
12492 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
12493 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
12494 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
12495 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
12496 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
12497 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
12498 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
12499 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
12500 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
12501 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
12502 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
12503 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
12504 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
12505 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
12506 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
12507 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
12508 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
12509 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
12510 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
12511 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
12512 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
12513 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
12514 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
12515 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
12516 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
12517 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
12518 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
12519 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
12520 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
12521 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
12522 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
12523 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
12524 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
12525 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
12526 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
12527 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
12528 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
12529 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
12530 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
12531 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
12532 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
12533 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
12534 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
12535 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
12536 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
12537 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
12538 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
12539 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
12540 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
12541 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
12542 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
12543 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
12544 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
12546 2016-02-04 Martin Liska <mliska@suse.cz>
12549 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
12550 that are gimple_store_p.
12551 (maybe_instrument_call): Likewise.
12553 2016-02-04 Bin Cheng <bin.cheng@arm.com>
12555 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
12556 register scaling out of memory reference and comment why.
12558 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12562 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
12563 folding the source of a SET.
12565 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12569 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
12570 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
12572 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
12576 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
12579 2016-02-04 Christian Bruel <christian.bruel@st.com>
12581 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
12582 * config/arm/arm.c (arm_set_current_function): Likewise.
12584 2016-02-04 Jakub Jelinek <jakub@redhat.com>
12585 Ilya Enkovich <enkovich.gnu@gmail.com>
12586 H.J. Lu <hongjiu.lu@intel.com>
12589 * config/i386/i386.c (convert_scalars_to_vector): Remove
12590 stack alignment fixes.
12591 (ix86_option_override_internal): Disable TARGET_STV if stack
12592 might not be aligned enough.
12593 (ix86_minimum_alignment): Assert that TARGET_STV is false.
12595 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
12597 * config/i386/x86-tune.def: Disable default prefetching
12600 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
12601 Vladimir Makarov <vmakarov@redhat.com>
12604 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
12605 in validating fused toc addresses.
12607 2016-02-03 Jakub Jelinek <jakub@redhat.com>
12610 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
12611 range->m_caret fields if range->m_show_caret_p is false.
12614 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
12615 Force oldval into register if it does not satisfy reg_or_short_operand
12616 predicate. Fix up formatting.
12618 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
12619 Alexandre Oliva <aoliva@redhat.com>
12622 * lra-constraints.c (simplify_operand_subreg): Check additionally
12623 address validity after potential reloading.
12624 (process_address_1): Check insns validity. In case of failure do
12627 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
12630 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
12633 2016-02-02 Jakub Jelinek <jakub@redhat.com>
12635 * wide-int.cc (canonize_uhwi): New function.
12636 (wi::divmod_internal): Use it.
12638 2016-02-02 James Norris <jnorris@codesourcery.com
12640 * gimplify.c (omp_notice_variable): Add usage check.
12642 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
12644 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
12645 like LE, GE, LT, GT when emitting relational operator.
12647 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
12649 * ira-costs.c (find_costs_and_classes): Add extra argument.
12650 * target.def (ira_change_pseudo_allocno_class): Add parameter.
12651 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
12652 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
12653 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
12654 Add best_class parameter, and return it if not ALL_REGS.
12655 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
12657 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
12658 Update target hook.
12660 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
12662 * config/aarch64/aarch64.c
12663 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
12664 (aarch64_ira_change_pseudo_allocno_class): New function.
12666 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
12669 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
12671 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
12673 * config/avr/avr.c (avr_option_override): Set
12674 PARAM_ALLOW_STORE_DATA_RACES to 1.
12676 2016-02-02 Richard Biener <rguenther@suse.de>
12678 PR tree-optimization/69595
12679 * match.pd: Add range test simplifications to true/false.
12681 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
12683 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
12684 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
12687 2016-02-02 Richard Biener <rguenther@suse.de>
12689 PR tree-optimization/69606
12690 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
12691 info on the result before moving a stmt.
12693 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
12695 PR middle-end/68542
12696 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
12697 branch with vector comparison.
12698 * config/i386/sse.md (VI48_AVX): New mode iterator.
12699 (define_expand "cbranch<mode>4): Add support for conditional branch
12700 with vector comparison.
12701 * tree-vect-loop.c (optimize_mask_stores): New function.
12702 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
12703 has_mask_store field of vect_info.
12704 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
12705 vectorized loops having masked stores after vec_info destroy.
12706 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
12707 correspondent macros.
12708 (optimize_mask_stores): Add prototype.
12710 2016-02-02 Alan Modra <amodra@gmail.com>
12713 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
12716 2016-02-02 Alan Modra <amodra@gmail.com>
12719 * config/rs6000/rs6000.c (need_toc_init): New var, set it
12720 whenever toc_label_name used.
12721 (rs6000_file_start): Don't set up toc section here,
12722 (rs6000_output_function_epilogue): do so here instead,
12723 (rs6000_xcoff_file_start): and here.
12724 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
12725 (load_toc_aix_di): Likewise.
12727 2016-02-01 Jakub Jelinek <jakub@redhat.com>
12729 PR rtl-optimization/69592
12730 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
12731 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
12732 (num_sign_bit_copies_binary_arith_p): New inline function.
12733 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
12735 2016-02-01 Jeff Law <law@redhat.com>
12737 PR tree-optimization/69580
12738 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
12739 * tree-ssa-threadbackward.c
12740 (fsm_find_control_statement_thread_paths): Do not try to walk
12741 through large PHI nodes.
12743 2016-02-01 Jakub Jelinek <jakub@redhat.com>
12745 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
12746 when count is incremented above limit, don't analyze further
12749 * omp-low.c (oacc_parse_default_dims): Avoid
12750 -Wsign-compare warning, make sure value fits into int
12751 rather than just unsigned int.
12753 2016-02-01 Bin Cheng <bin.cheng@arm.com>
12755 PR tree-optimization/67921
12756 * fold-const.c (split_tree): New parameters. Convert pointer
12757 type variable part to proper type before negating.
12758 (fold_binary_loc): Pass new arguments to split_tree.
12760 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
12762 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
12763 (nvptx_goacc_validate_dims): Extend to handle global defaults.
12764 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
12765 * doc/tm.texti: Rebuilt.
12766 * doc/invoke.texi (fopenacc-dim): Document.
12767 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
12768 (append_compiler_options): Likewise.
12769 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
12770 (oacc_parse_default_dims): New.
12771 (oacc_validate_dims): Add USED arg. Select non-unity default when
12773 (oacc_loop_fixed_partitions): Return mask of used partitions.
12774 (oacc_loop_auto_partitions): Emit dump info.
12775 (oacc_loop_partition): Return mask of used partitions.
12776 (execute_oacc_device_lower): Parse default dimension arg. Adjust
12777 loop partitioning and validation calls.
12779 2016-02-01 Richard Biener <rguenther@suse.de>
12781 PR middle-end/69556
12782 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
12784 2016-02-01 Richard Biener <rguenther@suse.de>
12786 PR tree-optimization/69574
12787 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
12788 of asserting return chrec_dont_know.
12790 2016-02-01 Martin Liska <mliska@suse.cz>
12792 * mem-stats-traits.h: Add copyright header.
12793 * mem-stats.h: Likewise.
12795 2016-02-01 Richard Biener <rguenther@suse.de>
12797 PR tree-optimization/69579
12798 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
12799 Do not propagate through abnormal PHI results.
12801 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
12803 * postreload.c (reload_cse_simplify): Remove dead code.
12805 2016-02-01 Jakub Jelinek <jakub@redhat.com>
12807 PR rtl-optimization/69570
12808 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
12809 if there is more than one set, not if there is a single set.
12811 2016-02-01 Richard Henderson <rth@redhat.com>
12814 * combine.c (make_compound_operation): When looking through a
12815 subreg, make sure to re-extend to the width of the outer mode.
12817 2016-01-30 Jakub Jelinek <jakub@redhat.com>
12819 PR tree-optimization/69546
12820 * wide-int.cc (wi::divmod_internal): For unsigned division
12821 where both operands fit into uhwi, if o1 is 1 and o0 has
12822 msb set, if divident_prec is larger than bits per hwi,
12823 clear another quotient word and return 2 instead of 1.
12824 Similarly for remainder with msb in HWI set, if dividend_prec
12825 is larger than bits per hwi.
12827 2016-01-29 Martin Jambor <mjambor@suse.cz>
12829 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
12830 Use short lowercase names.
12831 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
12832 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
12833 acq_rel one. Protect warning agains segfaults if
12834 get_memory_order_name returns NULL.
12835 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
12836 with release semantics. Do not warn if get_memory_order already did.
12837 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
12838 semantics. Fix check for relaxed or acquire semantics. Do not warn
12839 if get_memory_order already did.
12841 2016-01-29 Sebastian Pop <s.pop@samsung.com>
12843 * doc/install.texi: Document that isl-0.16 is supported.
12845 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
12848 * config/i386/constraints.md (Bm): Describe as special memory
12850 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
12851 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
12852 * genpreds.c (struct constraint_data): Add is_special_memory.
12853 (have_special_memory_constraints, special_memory_start): New
12855 (special_memory_end): Ditto.
12856 (add_constraint): Add new arg is_special_memory. Add code to
12857 process its true value. Update have_special_memory_constraints.
12858 (process_define_constraint): Pass the new arg.
12859 (process_define_register_constraint): Ditto.
12860 (choose_enum_order): Process special memory.
12861 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
12862 function insn_extra_special_memory_constraint.
12863 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
12864 * gensupport.c (process_rtx): Process
12865 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
12866 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
12867 * ira-lives.c (single_reg_class): Use
12868 insn_extra_special_memory_constraint.
12869 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
12870 * lra-constraints.c (process_alt_operands): Ditto.
12871 (curr_insn_transform): Use insn_extra_special_memory_constraint.
12872 * recog.c (asm_operand_ok, preprocess_constraints): Process
12874 * reload.c (find_reloads): Ditto.
12875 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
12876 * stmt.c (parse_input_constraint): Use
12877 insn_extra_special_memory_constraint.
12879 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
12882 * lra-splill.c (lra_final_code_change): Revert r229087 by
12883 removing all sub-registers.
12885 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
12888 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
12890 2016-01-29 Jakub Jelinek <jakub@redhat.com>
12893 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
12894 SSE1, copy target into the temporary reg first before recursing
12897 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
12899 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
12902 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
12904 * ginclude/stdarg.h: Test __cplusplus instead of
12905 __GXX_EXPERIMENTAL_CXX0X__.
12907 2016-01-29 Richard Biener <rguenther@suse.de>
12909 PR tree-optimization/69547
12910 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
12911 Do not mark clobbers necessary.
12912 (mark_all_reaching_defs_necessary_1): Likewise.
12914 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
12916 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
12917 declaration name with %qs and print it in both error messages.
12918 Also fix indentation.
12920 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
12923 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
12924 trailing blank line from error message.
12926 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
12929 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
12932 2016-01-29 Richard Biener <rguenther@suse.de>
12934 PR middle-end/69537
12935 * match.pd: Allow all integral types when simplifying a
12936 widening or sign-changing conversion.
12938 2016-01-28 Sebastian Pop <s.pop@samsung.com>
12940 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
12941 back to setting codegen_error to fail codegen.
12943 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
12946 * config/i386/constraints.md (C): Only accept constant zero operand.
12947 (BC): New constraint.
12948 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
12949 instead of C constraint.
12950 * doc/md.texi (Machine Constraints): Update description
12953 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
12956 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
12958 2016-01-28 Jakub Jelinek <jakub@redhat.com>
12960 PR middle-end/69542
12961 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
12964 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
12966 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
12967 branches if using guessed profile.
12969 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
12971 * graphite-optimize-isl.c (optimize_isl): Fix dump.
12973 2016-01-28 Richard Henderson <rth@redhat.com>
12976 * config/aarch64/aarch64-modes.def (CC_Cmode): New
12977 * config/aarch64/aarch64-protos.h: Update.
12978 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
12979 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
12980 (aarch64_get_condition_code_1): Handle CC_Cmode.
12981 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
12982 (*add<mode>3_compareC_cconly_imm): New.
12983 (*add<mode>3_compareC_cconly): New.
12984 (*add<mode>3_compareC_imm): New.
12985 (add<mode>3_compareC): New.
12986 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
12987 to be first. Use aarch64_carry_operation.
12988 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
12989 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
12990 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
12991 (subti3): Use subdi3_compare1.
12992 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
12993 (sub<mode>3_compare1): New.
12994 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
12995 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
12996 (*subsi3_carryin_uxtw): Likewise.
12997 (*ngc<mode>, *ngcsi_uxtw): Likewise.
12998 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
12999 * config/aarch64/iterators.md (DWI): New.
13000 * config/aarch64/predicates.md (aarch64_carry_operation): New.
13001 (aarch64_borrow_operation): New.
13003 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
13005 * graphite-optimize-isl.c (optimize_isl): Print a different debug
13006 message when isl does not return a valid schedule.
13008 2016-01-28 Sebastian Pop <s.pop@samsung.com>
13010 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13011 Remove comments from class declarations: they are already in the code
13014 2016-01-28 Sebastian Pop <s.pop@samsung.com>
13016 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13018 (ternary_op_to_tree): Same.
13019 (unary_op_to_tree): Same.
13020 (nary_op_to_tree): Same.
13021 (gcc_expression_from_isl_expr_op): Same.
13022 (gcc_expression_from_isl_expression): Same.
13023 (graphite_create_new_loop): Same.
13024 (graphite_create_new_loop_guard): Same.
13025 (build_iv_mapping): Same.
13026 (graphite_create_new_guard): Same.
13027 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13028 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13030 2016-01-28 Sebastian Pop <s.pop@samsung.com>
13032 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13033 instead of setting codegen_error to fail codegen.
13035 2016-01-28 Jason Merrill <jason@redhat.com>
13037 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13039 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
13041 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13042 Remove CONST_INT_P check in CCMP cost calculation.
13044 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
13046 * config/aarch64/aarch64.c (generic_vector_cost):
13047 Set vec_permute_cost.
13048 (cortexa57_vector_cost): Likewise.
13049 (exynosm1_vector_cost): Likewise.
13050 (xgene1_vector_cost): Likewise.
13051 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13052 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13053 Add vec_permute_cost entry.
13055 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
13057 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13059 (add<mode>3_compare0): Likewise.
13060 (addsi3_compare0_uxtw): Likewise.
13061 (add<mode>3nr_compare0): Likewise.
13062 (compare_neg<mode>): Likewise.
13063 (<optab><mode>3): Likewise.
13065 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
13067 * tree-vect-stmts.c (vectorizable_comparison): Add
13068 NULL check for vectype.
13070 2016-01-28 Richard Biener <rguenther@suse.de>
13072 PR tree-optimization/69466
13073 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13074 Account for PHIs we couldn't duplicate.
13076 2016-01-28 Martin Liska <mliska@suse.cz>
13079 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13080 instead of ENABLE_VALGRIND_CHECKING.
13082 2016-01-27 Richard Henderson <rth@redhat.com>
13085 * lra-remat.c (subreg_regs): New.
13086 (dump_candidates_and_remat_bb_data): Dump it.
13087 (operand_to_remat): Reject if operand in subreg_regs.
13088 (set_bb_regs): Collect subreg_regs.
13089 (lra_remat): Init and free subreg_regs. Compute
13090 calculate_local_reg_remat_bb_data before create_cands.
13092 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
13095 * config/i386/i386.c (ix86_update_stack_boundary): Don't
13096 change stack_alignment_needed for __tls_get_addr call.
13098 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
13100 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13102 2016-01-27 Jeff Law <law@redhat.com>
13104 PR tree-optimization/68398
13105 PR tree-optimization/69196
13106 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13107 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13108 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13109 Only count PHIs in the last block in the path. The others will
13110 const/copy propagate away. Add heuristic to allow more irreducible
13111 subloops to be created when it is likely profitable to do so.
13113 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13114 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
13115 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
13117 2016-01-27 Jakub Jelinek <jakub@redhat.com>
13120 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13121 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13122 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13123 * tree-streamer-in.c: Include asan.h.
13124 (streamer_get_builtin_tree): For builtins in sanitizer
13125 range call initialize_sanitizer_builtins and retry.
13127 2016-01-27 Ian Lance Taylor <iant@google.com>
13129 * common.opt (fkeep-gc-roots-live): New undocumented option.
13130 * tree-ssa-loop-ivopts.c (add_candidate_1): If
13131 -fkeep-gc-roots-live, skip pointers.
13132 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13135 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
13138 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13139 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13141 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
13144 * configure.ac: NetBSD provides SSP in its C library.
13145 * configure: Updated.
13147 2016-01-27 Richard Biener <rguenther@suse.de>
13149 PR tree-optimization/69166
13150 * tree-vect-loop.c (vect_is_simple_reduction): Always check
13151 reduction code for commutativity / associativity.
13153 2016-01-27 Martin Jambor <mjambor@suse.cz>
13155 PR tree-optimization/69355
13156 * tree-sra.c (analyze_access_subtree): Correct hole detection when
13157 total_scalarization fails.
13159 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
13161 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13164 2016-01-27 Christian Bruel <christian.bruel@st.com>
13167 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13168 Move arm_reset_previous_fndecl and set_target_option_current_node in
13169 the conditional part. Call save_restore_target_globals.
13170 * config/arm/arm.c (arm_set_current_function):
13171 Refactor to better support #pragma target and attribute mix.
13172 Call save_restore_target_globals.
13173 * config/arm/arm-protos.h (save_restore_target_globals): New function.
13175 2016-01-27 Martin Liska <mliska@suse.cz>
13177 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13178 reference for an HSA kernel and its host function.
13180 2016-01-27 Jakub Jelinek <jakub@redhat.com>
13182 PR tree-optimization/69399
13183 * wide-int.h (wi::lrshift): For larger precisions, only
13184 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13186 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
13188 * config/arc/predicates.md (proper_comparison_operator): Reject
13189 constant-constant comparison.
13191 2016-01-26 Tom de Vries <tom@codesourcery.com>
13193 PR tree-optimization/69110
13194 * tree-data-ref.c (initialize_data_dependence_relation): Handle
13195 DR_NUM_DIMENSIONS == 0.
13197 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
13198 Sebastian Pop <s.pop@samsung.com>
13200 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13201 isl_ast_op_cond and isl_ast_op_select.
13202 (gcc_expression_from_isl_expr_op): Same.
13204 2016-01-26 Jason Merrill <jason@redhat.com>
13207 * tree.c (recompute_constructor_flags): Split out from
13209 (verify_constructor_flags): New.
13210 * tree.h: Declare them.
13212 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
13214 PR rtl-optimization/69217
13215 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
13216 are no TYPE_FIELDS set for the record type.
13218 2016-01-26 Jakub Jelinek <jakub@redhat.com>
13221 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
13222 toc_label_name unconditionally.
13223 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
13224 SYMBOL_REF string. Use toc_label_name instead of constructing
13226 (rs6000_elf_declare_function_name): Use toc_label_name instead of
13227 constructing LCTOC1.
13229 2016-01-26 Martin Sebor <msebor@redhat.com>
13232 * doc/extend.texi (Common Type Attributes): Move text that talks about
13233 attribute packed from attribute aligned to the section discussing
13234 the former attribute for clarity.
13236 2016-01-26 Richard Henderson <rth@redhat.com>
13238 PR middle-end/60908
13239 * trans-mem.c (tm_region_init): Mark entry block as visited.
13241 2016-01-26 David Malcolm <dmalcolm@redhat.com>
13244 * diagnostic-show-locus.c (layout::print_source_line): Replace
13245 call to pp_newline with call to layout::print_newline.
13246 (layout::print_annotation_line): Likewise.
13247 (layout::move_to_column): Likewise.
13248 (layout::print_any_fixits): After printing any fixits, print a
13249 trailing newline, if necessary.
13250 (layout::print_newline): New method, resetting any colorization
13252 (diagnostic_show_locus): Move the pp_newline to before the
13253 early bailout. Remove dummy block enclosing the layout instance.
13254 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
13255 of pp_newline_and_flush with pp_flush.
13256 (diagnostic_append_note): Delete use of pp_newline.
13257 (diagnostic_append_note_at_rich_loc): Delete.
13258 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
13259 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
13260 when newline characters are added to the buffer.
13262 2016-01-26 Michael Matz <matz@suse.de>
13264 * configure.ac (ac_cv_std_swap_in_utility): New test.
13265 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
13266 * configure: Regenerate.
13267 * config.in: Regenerate.
13269 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
13271 * config/arc/arc.md (cstoresi4): Force operand into register.
13272 (arcset<code>): Fix predicate.
13273 (arcsetltu): Likewise.
13274 (arcsetgeu): Likewise.
13275 (arcsethi): Likewise.
13276 (arcsetls): Likewise.
13278 2016-01-26 Jakub Jelinek <jakub@redhat.com>
13280 PR tree-optimization/69483
13281 * gimple-fold.c (canonicalize_constructor_val): Return NULL
13282 if base has error_mark_node type.
13284 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
13287 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
13288 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
13290 (vget_lane_f16): Handle big-endian.
13291 (vgetq_lane_f16): Likewise.
13292 (vset_lane_f16): Likewise.
13293 (vsetq_lane_f16): Likewise.
13294 * config/arm/iterators.md (VQXMOV): Add V8HF.
13295 (VDQ): Add V4HF and V8HF.
13296 (V_reg): Handle V4HF and V8HF.
13297 (Is_float_mode): Likewise.
13298 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
13299 neon_vdup_nv8hf): New patterns.
13300 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
13301 Use VD_LANE iterator.
13302 (neon_vld1_dup<mode>): Use VQ2 iterator.
13304 2016-01-26 Nathan Sidwell <nathan@acm.org>
13306 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
13307 (set_oacc_fn_attrib): Add IS_KERNEL arg.
13308 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
13309 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
13310 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
13311 (oacc_validate_dims): Add LEVEL arg, don't return level.
13312 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
13313 oacc_validate_dims.
13314 (execute_oacc_device_lower): Adjust, add more dump output.
13315 * tree-ssa-loop.c (gate_oacc_kernels): Use
13316 oacc_fn_attrib_kernels_p.
13317 * tree-parloops.c (create_parallel_loop): Adjust
13318 set_oacc_fn_attrib call.
13320 2016-01-26 Jakub Jelinek <jakub@redhat.com>
13323 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
13324 (append_compiler_options): Handle -fcilkplus.
13325 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
13327 2016-01-26 Nick Clifton <nickc@redhat.com>
13330 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
13331 been marked as DECL_ONE_ONLY but we do not the means to make it
13332 so, then do not allow it to bind locally.
13334 2016-01-26 Jakub Jelinek <jakub@redhat.com>
13337 * opts.h (parse_sanitizer_options): New prototype.
13338 * opts.c (sanitizer_opts): New array.
13339 (parse_sanitizer_options): New function.
13340 (common_handle_option): Use parse_sanitizer_options.
13342 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
13345 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
13346 alignment adjustment to ...
13347 (ix86_update_stack_boundary): Here. Don't over-align stack for
13349 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
13350 if __tls_get_addr is called.
13352 2016-01-26 Christian Bruel <christian.bruel@st.com>
13354 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
13356 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
13358 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
13360 2016-01-26 Richard Biener <rguenther@suse.de>
13362 PR middle-end/69467
13363 * match.pd: Guard X * CST CMP 0 pattern with single_use.
13365 2016-01-26 Richard Biener <rguenther@suse.de>
13367 PR tree-optimization/69452
13368 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
13369 (move_computations_dom_walker::before_dom_children): Rename
13371 (move_computations_worker): This.
13372 (move_computations): Perform an RPO rather than a DOM walk.
13374 2016-01-26 Jakub Jelinek <jakub@redhat.com>
13377 * combine.c (combine_instructions): For REG_EQUAL note with
13378 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
13379 to the underlying register.
13380 * doc/rtl.texi (REG_EQUAL): Document the behavior of
13381 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
13383 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
13386 * config/aarch64/aarch64-builtins.c
13387 (aarch64_init_simd_builtin_types): Do not set structural
13388 equality to __Poly{8,16,64,128}_t types.
13390 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
13392 PR tree-optimization/69400
13393 * wide-int.cc (wi_pack): Take the precision as argument and
13394 perform canonicalization here rather than in the callers.
13395 Use the main loop to handle all full-width HWIs. Add a
13396 zero HWI if in_len isn't a full result.
13397 (wi::divmod_internal): Update accordingly.
13398 (wi::mul_internal): Likewise. Simplify.
13400 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
13401 Sebastian Pop <s.pop@samsung.com>
13403 * graphite-poly.c (apply_poly_transforms): Simplify.
13404 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
13405 (print_isl_map): Same.
13406 (print_isl_union_map): Same.
13407 (print_isl_schedule): New.
13408 (debug_isl_schedule): New.
13409 * graphite-dependences.c (scop_get_reads): Do not call
13410 isl_union_map_add_map that is undocumented isl functionality.
13411 (scop_get_must_writes): Same.
13412 (scop_get_may_writes): Same.
13413 (scop_get_original_schedule): Remove.
13414 (scop_get_dependences): Do not call isl_union_map_compute_flow that
13415 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
13416 (compute_deps): Remove.
13417 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
13418 (debug_schedule_ast): New.
13419 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
13420 set_separate_option.
13421 (graphite_regenerate_ast_isl): Add dump.
13422 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
13423 from scop->transformed_schedule.
13424 (graphite_regenerate_ast_isl): Add more dump.
13425 * graphite-optimize-isl.c (optimize_isl): Set
13426 scop->transformed_schedule. Check whether schedules are equal.
13427 (apply_poly_transforms): Move here.
13428 * graphite-poly.c (apply_poly_transforms): ... from here.
13429 (free_poly_bb): Static.
13430 (free_scop): Static.
13431 (pbb_number_of_iterations_at_time): Remove.
13432 (print_isl_ast): New.
13433 (debug_isl_ast): New.
13434 (debug_scop_pbb): New.
13435 * graphite-scop-detection.c (print_edge): Move.
13436 (print_sese): Move.
13437 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
13438 (build_scop_scattering): Remove.
13439 (create_pw_aff_from_tree): Assert instead of bailing out.
13440 (add_condition_to_pbb): Remove unused code, do not fail.
13441 (add_conditions_to_domain): Same.
13442 (add_conditions_to_constraints): Remove.
13443 (build_scop_context): New.
13444 (add_iter_domain_dimension): New.
13445 (build_iteration_domains): Initialize pbb->iterators.
13446 Call add_conditions_to_domain.
13449 (index_outermost_in_loop): New.
13450 (index_pbb_in_loop): New.
13451 (outermost_pbb_in): New.
13452 (add_in_sequence): New.
13453 (add_outer_projection): New.
13454 (outer_projection_mupa): New.
13455 (add_loop_schedule): New.
13456 (build_schedule_pbb): New.
13457 (build_schedule_loop): New.
13458 (embed_in_surrounding_loops): New.
13459 (build_schedule_loop_nest): New.
13460 (build_original_schedule): New.
13461 (build_poly_scop): Call build_original_schedule.
13462 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
13463 (free_poly_dr): Remove.
13464 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
13465 (free_poly_bb): Remove.
13466 (debug_loop_vec): Remove.
13467 (print_isl_ast): Declare.
13468 (debug_isl_ast): Declare.
13469 (scop_do_interchange): Remove.
13470 (scop_do_strip_mine): Remove.
13471 (scop_do_block): Remove.
13472 (flatten_all_loops): Remove.
13473 (optimize_isl): Remove.
13474 (pbb_number_of_iterations_at_time): Remove.
13475 (debug_scop_pbb): Declare.
13476 (print_schedule_ast): Declare.
13477 (debug_schedule_ast): Declare.
13478 (struct scop): Remove schedule. Add original_schedule,
13479 transformed_schedule.
13480 (free_gimple_poly_bb): Remove.
13481 (print_generated_program): Remove.
13482 (debug_generated_program): Remove.
13483 (unify_scattering_dimensions): Remove.
13484 * sese.c (print_edge): ... here.
13485 (print_sese): ... here.
13486 (debug_edge): ... here.
13487 (debug_sese): ... here.
13488 * sese.h (print_edge): Declare.
13489 (print_sese): Declare.
13490 (dump_edge): Declare.
13491 (dump_sese): Declare.
13493 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
13494 Sebastian Pop <s.pop@samsung.com>
13496 * Makefile.in: Set ISLVER in site.exp.
13498 2016-01-25 Jakub Jelinek <jakub@redhat.com>
13500 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
13501 DECL_VALUE_EXPR of new_var even for the non-array case. Look
13502 through DECL_VALUE_EXPR for expansion.
13504 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
13506 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
13507 the frame info after reload completed.
13509 2016-01-25 Jeff Law <law@redhat.com>
13511 PR tree-optimization/69196
13512 PR tree-optimization/68398
13513 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
13514 tree-ssa-threadupdate.c.
13515 (determine_bb_domination_status): Prototype
13516 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
13517 (determine_bb_domination_status): No longer static.
13518 (valid_jump_thread_path): Remove code to detect characteristics
13519 of the jump thread path not associated with correctness.
13520 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
13521 Correct test for thread path length. Count PHIs for real operands as
13522 statements that need to be copied. Do not count ASSERT_EXPRs.
13523 Look at all the blocks in the thread path. Compute and selectively
13524 filter thread paths based on threading through the latch, threading
13525 a multiway branch or crossing a multiway branch.
13527 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
13529 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
13530 decl with __attribute__ ((unused)) annotation.
13532 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
13535 * tree-vect-stmts.c (vectorizable_condition): Check vectype
13536 of operands is compatible with a statement vectype.
13538 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
13540 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
13541 improve wording for mixed storage order support.
13543 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
13545 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
13546 (vcvt_u64_f64): Likewise.
13547 (vcvta_s64_f64): Likewise.
13548 (vcvta_u64_f64): Likewise.
13549 (vcvtm_s64_f64): Likewise.
13550 (vcvtm_u64_f64): Likewise.
13551 (vcvtn_s64_f64): Likewise.
13552 (vcvtn_u64_f64): Likewise.
13553 (vcvtp_s64_f64): Likewise.
13554 (vcvtp_u64_f64): Likewise.
13556 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
13558 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
13559 (arc_init): Check validity mll64 option.
13560 (arc_save_restore): Use double load/store instruction.
13561 (arc_expand_movmem): Likewise.
13562 (arc_split_move): Don't split if we have double load/store
13563 instructions. Returns a boolean.
13564 (arc_process_double_reg_moves): Change function to return boolean
13565 instead of a sequence of instructions.
13566 (arc_dwarf_register_span): New function.
13567 * config/arc/arc-protos.h (arc_split_move): Change prototype.
13568 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
13569 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
13570 (*movdf_insn): Likewise.
13571 * config/arc/arc.opt (mll64): New option.
13572 * config/arc/predicates.md (even_register_operand): New predicate.
13573 * doc/invoke.texi (ARC Options): Add mll64 documentation.
13575 2016-01-25 Richard Biener <rguenther@suse.de>
13578 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
13579 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
13581 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
13583 2016-01-25 Richard Biener <rguenther@suse.de>
13585 PR tree-optimization/69376
13586 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
13588 (VN_INFO_ANTI_RANGE_P): New inline.
13589 (VN_INFO_RANGE_TYPE): Likewise.
13590 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
13591 SSA_NAME_ANTI_RANGE_P.
13592 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
13593 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
13594 Properly query VN_INFO_RANGE_TYPE.
13596 2016-01-25 Nick Clifton <nickc@redhat.com>
13599 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
13601 2016-01-23 Tom de Vries <tom@codesourcery.com>
13603 PR tree-optimization/69426
13604 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
13607 2016-01-23 Jakub Jelinek <jakub@redhat.com>
13609 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
13610 "the the" with "the" in the comments.
13611 * ipa-devirt.c (build_type_inheritance_graph,
13612 update_type_inheritance_graph): Likewise.
13613 * tree.c (build_function_type_list_1): Likewise.
13614 * cfgloopmanip.c (scale_loop_profile): Likewise.
13615 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
13616 * gimple-ssa-split-paths.c
13617 (find_block_to_duplicate_for_splitting_paths): Likewise.
13618 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
13619 * expr.c (convert_move): Likewise.
13620 * var-tracking.c (vt_stack_adjustments): Likewise.
13621 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
13622 * tree-vrp.c (test_for_singularity): Likewise.
13624 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
13625 directly instead of building a temporary tree.
13628 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
13629 remove <algorithm> include.
13631 2016-01-22 Jakub Jelinek <jakub@redhat.com>
13634 * config/i386/i386.c: Include dojump.h.
13635 (expand_small_movmem_or_setmem,
13636 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
13638 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
13639 if dynamic_check != -1.
13641 2016-01-21 Jeff Law <law@redhat.com>
13643 PR middle-end/69347
13644 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
13645 record_temporary_equivalences. Rewritten to avoid unnecessary calls
13646 into dominated_by_p.
13647 (cprop_into_successor_phis): Avoid unnecessary tests.
13649 2016-01-22 Richard Henderson <rth@redhat.com>
13652 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
13653 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
13655 2016-01-22 Michael Matz <matz@suse.de>
13657 * system.h (string, algorithm): Include only conditionally.
13658 (new): Include always under C++.
13659 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
13660 * final.c (toplevel): Ditto.
13661 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
13662 * genconditions.c (write_header): Make gencondmd.c define
13664 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
13666 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
13667 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
13669 2016-01-22 Christian Bruel <christian.bruel@st.com>
13672 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
13674 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13677 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
13678 define_insn_and_split. Ensure operands[1] and operands[0] do not
13679 get assigned the same register.
13681 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
13683 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
13685 2016-01-22 Christian Bruel <christian.bruel@st.com>
13687 * config/arm/arm-c.c (arm_pragma_target_parse):
13688 Remove warn_builtin_macro_redefined overwrite.
13690 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
13692 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
13693 flag_non_call_exceptions compatibility.
13695 2016-01-22 Jakub Jelinek <jakub@redhat.com>
13698 * dwarf2out.c (add_child_die_after): New function.
13699 (dwarf_qual_info_t): New type.
13700 (dwarf_qual_info): New variable.
13701 (qualified_die_p): New function.
13702 (modified_type_die): For -fdebug-types-section, ensure
13703 canonical order of qualifiers. Put qualified DIEs adjacent
13704 to the corresponding non-qualified type DIE and search there
13705 for existing qualified DIEs.
13707 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
13709 * doc/extend.texi (scalar_storage_order type attribute): Document
13710 restriction on type punning and aliasing, and remove future tense.
13712 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
13715 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
13718 2016-01-21 Jeff Law <law@redhat.com>
13720 PR middle-end/69347
13721 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
13722 useless call to record_temporary_equivalences.
13723 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
13724 allocate 10 slots in the bb_path vector and let it grow as needed.
13725 (fsm_find_control_statement_thread_paths): Similarly for the next_path
13728 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
13730 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
13732 * configure: Regenerate.
13734 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
13736 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
13737 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
13739 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
13741 PR middle-end/66178
13742 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
13743 drop EXPAND_INITIALIZER.
13744 * rtl.h (contains_symbolic_reference_p): Declare.
13745 * rtlanal.c (contains_symbolic_reference_p): New function.
13746 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
13747 a subtraction into a NOT if symbolic constants are involved.
13749 2016-01-21 Anton Blanchard <anton@samba.org>
13750 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
13753 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
13755 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
13758 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
13760 * config/microblaze/microblaze.c
13761 (get_branch_target): New.
13762 (insert_wic_for_ilb_runout): New.
13764 (microblaze_machine_dependent_reorg): New.
13765 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
13766 * config/microblaze/microblaze.md
13767 (UNSPEC_IPREFETCH): Define.
13768 (iprefetch): New pattern
13769 * config/microblaze/microblaze.opt
13770 (mxl-prefetch): New flag.
13772 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
13774 * config/microblaze/microblaze.h
13775 (FIXED_REGISTERS): Update in macro.
13776 (CALL_USED_REGISTERS): Update in macro.
13778 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
13780 PR rtl-optimization/68920
13781 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
13784 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
13786 PR rtl-optimization/68990
13787 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
13788 pseudo instead of inheritance ones.
13790 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
13791 Nick Clifton <nickc@redhat.com>
13795 * config/mips/mips.c (mips_compute_frame_info): Initialise
13796 args_size and hard_frame_pointer_offset fields of the frame
13797 structure before calling mips_global_pointer.
13799 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
13801 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
13803 * configure: Regenerate.
13805 2016-01-21 Richard Biener <rguenther@suse.de>
13807 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
13809 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
13811 * config/s390/s390.c (s390_asm_declare_function_size): Add code
13812 to actually emit the .size directive.
13814 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
13815 Jakub Jelinek <jakub@redhat.com>
13819 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
13820 args array size by one to avoid buffer overflow.
13822 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
13824 * config/s390/s390.md (pool_section_start): Use switch_to_section
13825 to select proper read-only data section instead of hardcoding
13827 (pool_section_end): Use switch_to_section to match the above.
13829 2016-01-21 Richard Biener <rguenther@suse.de>
13831 PR tree-optimization/69378
13832 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
13833 (set_ssa_val_to): Use it for dominance checks taking into
13834 account not executable edges.
13836 2016-01-21 Jakub Jelinek <jakub@redhat.com>
13839 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
13840 for bitsize instead of GET_MODE_PRECISION (mode).
13842 2016-01-20 Martin Sebor <msebor@redhat.com>
13845 * extend.texi (__sync Builtins): Clarify the semantics of
13846 __sync_fetch_and_OP built-ins on pointers.
13847 (__atomic Builtins): Same.
13849 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13850 Sebastian Pop <s.pop@samsung.com>
13852 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
13853 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
13854 (is_valid_rename): Same.
13855 (translate_isl_ast_to_gimple::get_rename): Same.
13856 (translate_isl_ast_to_gimple::rename_all_uses): Same.
13857 (translate_isl_ast_to_gimple::rename_uses): Same.
13858 (get_new_name): Check for close_phi nodes.
13859 (copy_loop_phi_args): Use phi_node_kind.
13860 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
13861 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
13863 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13864 Sebastian Pop <s.pop@samsung.com>
13866 Revert commit r229783.
13867 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
13868 Remove use of parameter_rename_map.
13869 (copy_def): Remove.
13870 (copy_internal_parameters): Remove.
13871 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
13872 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
13873 (free_sese_info): Do not free parameter_rename_map.
13874 (set_rename): Do not use parameter_rename_map.
13875 (rename_uses): Update call to set_rename.
13876 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
13877 * sese.h (parameter_rename_map_t): Remove.
13878 (struct sese_info_t): Remove field parameter_rename_map.
13880 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13881 Sebastian Pop <s.pop@samsung.com>
13883 * graphite-isl-ast-to-gimple.c: Fix comment.
13884 * graphite-scop-detection.c (defined_in_loop_p): New.
13885 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
13886 names defined in loop.
13888 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13889 Sebastian Pop <s.pop@samsung.com>
13891 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
13892 Discard unstructured if-then-else regions.
13894 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13895 Sebastian Pop <s.pop@samsung.com>
13897 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
13898 (cleanup_loop_iter_dom): Remove.
13899 (build_loop_iteration_domains): Remove.
13900 (build_scop_context): Remove.
13901 (build_scop_iteration_domain): Remove.
13902 (add_loop_constraints): New.
13903 (build_iteration_domains): New.
13904 (build_poly_scop): Call build_iteration_domains.
13906 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13907 Sebastian Pop <s.pop@samsung.com>
13909 * graphite-scop-detection.c
13910 (scop_detection::harmful_loop_in_region): Free dom and loops.
13911 (scop_detection::loop_body_is_valid_scop): Free bbs.
13913 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13914 Sebastian Pop <s.pop@samsung.com>
13916 * graphite-scop-detection.c (record_loop_in_sese): New.
13917 (gather_bbs::before_dom_children): Call record_loop_in_sese.
13918 (build_scops): Remove call to build_sese_loop_nests.
13919 * sese.c (sese_record_loop): Remove.
13920 (build_sese_loop_nests): Remove.
13921 (new_sese_info): Remove region->loops.
13922 (free_sese_info): Same.
13923 * sese.h (sese_contains_loop): Same.
13924 (build_sese_loop_nests): Remove.
13925 (sese_contains_loop): Remove.
13927 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13928 Sebastian Pop <s.pop@samsung.com>
13930 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
13931 loop_is_valid_in_scop.
13932 (scop_detection::harmful_stmt_in_region): Renamed
13933 harmful_loop_in_region.
13934 Call loop_is_valid_in_scop.
13936 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13937 Sebastian Pop <s.pop@samsung.com>
13939 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
13942 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13943 Sebastian Pop <s.pop@samsung.com>
13945 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
13946 * graphite.h (struct poly_bb): Remove field is_reduction.
13947 (PBB_IS_REDUCTION): Remove.
13949 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
13950 Sebastian Pop <s.pop@samsung.com>
13952 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
13953 (add_pdr_constraints): Same.
13954 (scop_get_reads): Same.
13955 (scop_get_must_writes): Same.
13956 (scop_get_may_writes): Same.
13957 (scop_get_original_schedule): Same.
13958 (extend_schedule): Same.
13959 (apply_schedule_on_deps): Same.
13960 (carries_deps): Same.
13961 (compute_deps): Same.
13962 (scop_get_dependences): Same.
13963 * graphite-isl-ast-to-gimple.c
13964 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
13965 * graphite-optimize-isl.c (get_schedule_for_band): Same.
13966 (get_schedule_for_band_list): Same.
13967 (get_schedule_map): Same.
13968 (apply_schedule_map_to_scop): Same.
13969 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
13970 (build_loop_iteration_domains): Same.
13971 (add_condition_to_pbb): Same.
13972 (add_param_constraints): Same.
13973 (pdr_add_memory_accesses): Same.
13974 (pdr_add_data_dimensions): Same.
13976 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
13978 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
13981 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
13983 * common.opt (feliminate-dwarf2-dups): Replace references to
13984 "DWARF 2" with just "DWARF".
13985 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
13986 * doc/extend.texi: Likewise.
13987 * doc/cpp.texi: Likewise.
13988 * doc/invoke.texi: Likewise.
13989 (Option Summary): Add -gdwarf to list of Debugging Options.
13990 (Debugging Options): Document -gdwarf.
13991 * doc/contrib.texi: Spell "DWARF" like that.
13993 2016-01-21 Jakub Jelinek <jakub@redhat.com>
13995 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
13996 warning. Fix up formatting.
13998 PR middle-end/67653
13999 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14000 attempt to mark memory input operand addressable and
14001 call prepare_gimple_addressable in that case. Don't adjust
14002 input_location for diagnostics, use error_at instead.
14004 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
14006 * config/rs6000/ppc-auxv.h: New file.
14007 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14008 (cpu_is): Likewise.
14009 (cpu_supports): Likewise.
14010 * config/rs6000/rs6000.c: include "ppc-auxv.h".
14011 (cpu_is_info): New variable.
14012 (cpu_supports_info): Likewise.
14013 (tcb_verification_symbol): Likewise.
14014 (cpu_builtin_p): Likewise.
14015 (cpu_expand_builtin): New function.
14016 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14017 (rs6000_init_builtins): Likewise.
14018 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14019 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14020 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14021 * configure: Regenerate.
14022 * config.in: Likewise.
14023 * doc/extend.texi (PowerPC Built-in Functions): Document
14024 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14026 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
14029 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14031 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14034 2016-01-20 Richard Henderson <rth@redhat.com>
14040 * tree.c (tm_define_builtin): New.
14041 (find_tm_vector_type): New.
14042 (build_tm_vector_builtins): New.
14043 (build_common_builtin_nodes): Call it.
14045 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
14047 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14048 (arm_fp_ok): Likewise.
14049 (arm_fp): Likewise.
14050 (arm_crypto): Likewise.
14052 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
14053 Richard Biener <rguenther@suse.de>
14055 PR tree-optimization/69328
14056 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14057 vectors have same number of elements.
14058 (vectorizable_condition): Fix masked version recognition.
14060 2016-01-20 Richard Biener <rguenther@suse.de>
14062 PR tree-optimization/69345
14063 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14064 (VN_INFO_PTR_INFO): Likewise.
14065 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14066 info when it is equal between non-dominating SSA names.
14067 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14068 Make sure to look at original SSA infos.
14070 2016-01-20 Jeff Law <law@redhat.com>
14073 * config/m68k/predicates.md (pow2_m1_operand): New predicate
14075 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14076 (pc_or_label_operand): New predicate.
14077 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14078 tests for small integers that are 2^n - 1.
14080 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
14082 * doc/invoke.texi (Options Summary): Add '.' after @xref.
14084 2016-01-19 Jeff Law <law@redhat.com>
14086 PR middle-end/69347
14087 * tree-ssa-threadbackwards.c
14088 (fsm_find_control_statement_thread_paths): Do not try to lookup
14089 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14091 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
14093 * doc/lto.texi: Remove text that says only Gold has linker plugin
14096 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
14098 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14099 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14100 the DIE accordingly.
14101 (modified_type_die): Add REVERSE parameter and pass it recursively,
14102 as well as to base_type_die. Adjust presence check accordingly.
14103 (base_type_for_mode): Adjust call to modified_type_die.
14104 (add_type_attribute): Add REVERSE parameter and pass it to
14106 (generic_parameter_die): Adjust call to add_type_attribute.
14107 (add_scalar_info): Likewise.
14108 (add_subscript_info): Likewise.
14109 (gen_array_type_die): Likewise.
14110 (gen_descr_array_type_die): Likewise.
14111 (gen_entry_point_die): Likewise.
14112 (gen_enumeration_type_die): Likewise.
14113 (gen_formal_parameter_die): Likewise.
14114 (gen_subprogram_die): Likewise.
14115 (gen_variable_die ): Likewise.
14116 (gen_const_die): Likewise.
14117 (gen_field_die): Likewise.
14118 (gen_pointer_type_die): Likewise.
14119 (gen_reference_type_die): Likewise.
14120 (gen_ptr_to_mbr_type_die): Likewise.
14121 (gen_inheritance_die): Likewise.
14122 (gen_subroutine_type_die): Likewise.
14123 (gen_typedef_die): Likewise.
14124 (force_type_die): Adjust call to modified_type_die.
14126 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
14128 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14129 flow throughout the file. Fix broken link to Objective-C 2.0
14131 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14134 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
14136 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14138 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
14141 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14142 (maybe_record_node): Record cxa_pure_virtual as the only possible
14143 target if there are not ohter candidates.
14144 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14146 2016-01-19 Richard Biener <rguenther@suse.de>
14148 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14149 (get_memory_order): Likewise.
14151 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
14153 * tree-vect-stmts.c (vectorizable_store): Check
14156 2016-01-19 David Malcolm <dmalcolm@redhat.com>
14159 * gcc.c (driver::decode_argv): Add call to
14160 init_opts_obstack before init_options_struct.
14161 * opts.c (init_opts_obstack): Remove idempotency.
14162 (init_options_struct): Replace call to init_opts_obstack
14163 with a gcc_assert to verify that it has already been called.
14164 * toplev.c (toplev::main): Add call to init_opts_obstack before
14165 calls to init_options_struct.
14166 (toplev::finalize): Move cleanup of opts_obstack next to
14167 cleanup of save_decoded_options, clearing the latter, and
14168 save_decoded_options_count.
14170 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14173 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14174 attribute to unconditional. Remove %? from output template.
14176 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
14177 Jiong Wang <jiong.wang@arm.com>
14179 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14180 generated from different expand order.
14182 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
14184 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14185 Add support for CCMP costing.
14187 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
14189 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14190 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14191 (fccmpe<mode>): Likewise.
14192 (fcmp): Rename to fcmp and globalize pattern.
14194 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14195 (aarch64_gen_ccmp_next): Add FP support.
14197 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
14199 * target.def (gen_ccmp_first): Update documentation.
14200 (gen_ccmp_next): Likewise.
14201 * doc/tm.texi (gen_ccmp_first): Update documentation.
14202 (gen_ccmp_next): Likewise.
14203 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
14204 expand_ccmp_expr_1. Improve comments.
14205 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
14206 (ccmp_ior<mode>): Remove pattern.
14207 (cmp<mode>): Remove expand.
14208 (cmp): Globalize pattern.
14209 (cstorecc4): Use cc_register.
14210 (mov<mode>cc): Remove ccmp_cc_register check.
14211 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
14212 Simplify after removal of CC_DNE/* modes.
14213 (aarch64_ccmp_mode_to_code): Remove.
14214 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
14215 In 'k' case use integer as condition.
14216 (aarch64_nzcv_codes): Remove inverted cases.
14217 (aarch64_code_to_ccmode): Remove.
14218 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
14219 comparison with CC register to be used in folowing CCMP/branch/CSEL.
14220 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
14221 pattern. Return the comparison with CC register. Invert conditions
14222 when bitcode is OR.
14223 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
14224 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
14226 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
14228 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14229 instrumented_version.
14231 2016-01-19 Richard Biener <rguenther@suse.de>
14233 PR tree-optimization/69336
14234 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
14235 handled components with get_ref_base_and_extent.
14236 (equal_mem_array_ref_p): Adjust.
14238 2016-01-19 Jakub Jelinek <jakub@redhat.com>
14241 * shrink-wrap.c: Include valtrack.h.
14242 (move_insn_for_shrink_wrap): Add DEBUG argument. If
14243 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
14244 in between insn and where it will be moved to. Call
14245 dead_debug_insert_temp.
14246 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
14247 first and dead_debug_local_finish at the end.
14248 For uses and defs bitmap, handle all regs in between REGNO and
14249 END_REGNO, not just the first one.
14251 2016-01-19 Richard Biener <rguenther@suse.de>
14253 PR tree-optimization/69352
14254 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
14255 (equal_mem_array_ref_p): Constrain size and max size properly.
14256 Compare the reverse flag.
14258 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
14260 * ira.c (ira): Update regstat data if we deleted insns.
14262 2016-01-19 Jakub Jelinek <jakub@redhat.com>
14264 PR rtl-optimization/68955
14265 PR rtl-optimization/64557
14266 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
14267 here. Fix up formatting.
14268 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
14270 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
14273 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
14274 assume that the node has body.
14275 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
14278 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
14280 * lto-streamer-out.c (lto_output): Do not stream instrumentation
14283 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
14285 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
14286 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
14288 2016-01-19 Martin Jambor <mjambor@suse.cz>
14289 Martin Liska <mliska@suse.cz>
14290 Michael Matz <matz@suse.de>
14292 * Makefile.in (OBJS): Add new source files.
14293 (GTFILES): Add hsa.c.
14294 * common.opt (disable_hsa): New variable.
14295 (-Whsa): New warning.
14296 * config.in (ENABLE_HSA): New.
14297 * configure.ac: Treat hsa differently from other accelerators.
14298 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
14299 $enable_offloading.
14300 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
14301 * doc/install.texi (Configuration): Document --with-hsa-runtime,
14302 --with-hsa-runtime-include, --with-hsa-runtime-lib and
14303 --with-hsa-kmt-lib.
14304 * doc/invoke.texi (-Whsa): Document.
14305 (hsa-gen-debug-stores): Likewise.
14306 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
14307 to invoke offload compiler for hsa acclerator.
14308 * opts.c (common_handle_option): Determine whether HSA offloading
14309 should be performed.
14310 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
14311 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
14312 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
14313 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
14314 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
14315 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
14316 GF_OMP_FOR_KIND_GRID_LOOP.
14317 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
14318 (pp_gimple_stmt_1): Likewise.
14319 * gimple-walk.c (walk_gimple_stmt): Likewise.
14320 * gimple.c (gimple_build_omp_grid_body): New function.
14321 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
14322 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
14323 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
14324 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
14325 GF_OMP_TEAMS_GRID_PHONY.
14326 (gimple_statement_omp_single_layout): Updated comments.
14327 (gimple_build_omp_grid_body): New function.
14328 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
14329 (gimple_omp_for_grid_phony): New function.
14330 (gimple_omp_for_set_grid_phony): Likewise.
14331 (gimple_omp_parallel_grid_phony): Likewise.
14332 (gimple_omp_parallel_set_grid_phony): Likewise.
14333 (gimple_omp_teams_grid_phony): Likewise.
14334 (gimple_omp_teams_set_grid_phony): Likewise.
14335 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
14336 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
14337 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
14338 (BUILT_IN_GOMP_TARGET): Updated type.
14339 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
14340 (adjust_for_condition): New function.
14341 (get_omp_for_step_from_incr): Likewise.
14342 (extract_omp_for_data): Moved parts to adjust_for_condition and
14343 get_omp_for_step_from_incr.
14344 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
14345 (fixup_child_record_type): Bail out if receiver_decl is NULL.
14346 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
14347 (scan_omp_parallel): Do not create child functions for phony
14349 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
14350 (scan_omp_1_op): Checking assert we are not remapping to
14351 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
14352 (parallel_needs_hsa_kernel_p): New function.
14353 (expand_parallel_call): Register apprpriate parallel child
14354 functions as HSA kernels.
14355 (grid_launch_attributes_trees): New type.
14356 (grid_attr_trees): New variable.
14357 (grid_create_kernel_launch_attr_types): New function.
14358 (grid_insert_store_range_dim): Likewise.
14359 (grid_get_kernel_launch_attributes): Likewise.
14360 (get_target_argument_identifier_1): Likewise.
14361 (get_target_argument_identifier): Likewise.
14362 (get_target_argument_value): Likewise.
14363 (push_target_argument_according_to_value): Likewise.
14364 (get_target_arguments): Likewise.
14365 (expand_omp_target): Call get_target_arguments instead of looking
14366 up for teams and thread limit.
14367 (grid_expand_omp_for_loop): New function.
14368 (grid_arg_decl_map): New type.
14369 (grid_remap_kernel_arg_accesses): New function.
14370 (grid_expand_target_kernel_body): New function.
14371 (expand_omp): Call it.
14372 (lower_omp_for): Do not emit phony constructs.
14373 (lower_omp_taskreg): Do not emit phony constructs but create for them
14374 a temporary variable receiver_decl.
14375 (lower_omp_taskreg): Do not emit phony constructs.
14376 (lower_omp_teams): Likewise.
14377 (lower_omp_grid_body): New function.
14378 (lower_omp_1): Call it.
14379 (grid_reg_assignment_to_local_var_p): New function.
14380 (grid_seq_only_contains_local_assignments): Likewise.
14381 (grid_find_single_omp_among_assignments_1): Likewise.
14382 (grid_find_single_omp_among_assignments): Likewise.
14383 (grid_find_ungridifiable_statement): Likewise.
14384 (grid_target_follows_gridifiable_pattern): Likewise.
14385 (grid_remap_prebody_decls): Likewise.
14386 (grid_copy_leading_local_assignments): Likewise.
14387 (grid_process_kernel_body_copy): Likewise.
14388 (grid_attempt_target_gridification): Likewise.
14389 (grid_gridify_all_targets_stmt): Likewise.
14390 (grid_gridify_all_targets): Likewise.
14391 (execute_lower_omp): Call grid_gridify_all_targets.
14392 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
14393 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
14394 (tree_omp_clause): Added union field dimension.
14395 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
14396 * tree.c (omp_clause_num_ops): Added number of arguments of
14397 OMP_CLAUSE__GRIDDIM_.
14398 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
14399 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
14400 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
14401 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
14402 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
14403 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
14404 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
14405 * tree-pass.h (make_pass_gen_hsail): Declare.
14406 (make_pass_ipa_hsa): Likewise.
14407 * ipa-hsa.c: New file.
14408 * lto-section-in.c (lto_section_name): Add hsa section name.
14409 * lto-streamer.h (lto_section_type): Add hsa section.
14410 * timevar.def (TV_IPA_HSA): New.
14411 * hsa-brig-format.h: New file.
14412 * hsa-brig.c: New file.
14413 * hsa-dump.c: Likewise.
14414 * hsa-gen.c: Likewise.
14417 * toplev.c (compile_file): Call hsa_output_brig.
14418 * hsa-regalloc.c: New file.
14420 2016-01-18 Jeff Law <law@redhat.com>
14422 PR tree-optimization/69320
14423 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
14424 ranged object, do nothing if the RHS constant is not [0..1].
14425 (optimize_stmt): Comparing a boolean ranged object against a
14426 constant outside [0..1] results in a compile-time constant.
14428 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
14431 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
14433 * doc/invoke.texi (Invoking GCC): Add new section to menu.
14434 (Option Summary): Update to reflect new section and moved options.
14435 (C++ Dialect Options): Move -fstats to new section.
14436 (Debugging Options): Move all dump, statistics, and other GCC
14437 developer options to new section. Rewrite section introduction
14438 and re-order remaining options to put the more basic ones first.
14439 (Optimization Options): Move -fira-verbose and -flto-report* to
14441 (Developer Options): New section incorporating moved options.
14442 * doc/cppopts.texi (-dM): Update cross-reference.
14444 2016-01-18 Richard Henderson <rth@redhat.com>
14447 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
14448 operands to pseudo only if CSE is expected. Split long immediate
14449 operands only after reload, and for the stack pointer.
14450 (*add<GPI>3_pluslong): Remove.
14451 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
14452 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
14453 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
14454 (*add<GPI>3 peepholes): New.
14455 (*add<GPI>3 splitters): New.
14456 * config/aarch64/constraints.md (Upl): New.
14457 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
14459 2016-01-18 Richard Biener <rguenther@suse.de>
14461 PR tree-optimization/69297
14462 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
14464 (vect_bb_vectorization_profitable_p): Clear visited flag again.
14466 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
14468 PR middle-end/68542
14469 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
14470 of mixind vector and scalar types.
14471 (fold_relational_const): Add handling of vector
14472 comparison with boolean result.
14473 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
14474 comparison of vector operands with boolean result for EQ/NE only.
14475 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
14476 (verify_gimple_cond): Likewise.
14477 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
14480 2016-01-18 Joseph Myers <joseph@codesourcery.com>
14482 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
14485 2016-01-18 Richard Biener <rguenther@suse.de>
14487 PR middle-end/69308
14488 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
14490 2016-01-18 Tom de Vries <tom@codesourcery.com>
14492 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
14494 2016-01-18 Tom de Vries <tom@codesourcery.com>
14496 * omp-low.c (set_oacc_fn_attrib): Make extern.
14497 * omp-low.h (set_oacc_fn_attrib): Declare.
14498 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
14499 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
14500 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
14501 Add and handle function parameter oacc_kernels_p.
14502 (find_reduc_addr, get_omp_data_i_param): New function.
14503 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
14504 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
14505 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
14506 Calculate dominance info. Skip loops that are not in a kernels region
14507 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
14508 (pass_parallelize_loops::execute): Call parallelize_loops with
14509 oacc_kernels_p argument.
14510 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
14511 New member function.
14512 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
14513 * passes.def: Add argument to pass_parallelize_loops instantation.
14515 2016-01-18 Tom de Vries <tom@codesourcery.com>
14517 * tree-parloops.c (pass_parallelize_loops::execute): Allow
14518 pass_parallelize_loops to be run outside the loop pipeline.
14520 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
14522 * tree-scalar-evolution.c (follow_copies_to_constant): New.
14523 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
14525 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
14528 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
14529 using get_ref_base_and_extent.
14530 (equal_mem_array_ref_p): New.
14531 (hashable_expr_equal_p): Add call to previous.
14533 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
14536 * tree-sra.c (disqualified_constants, constant_decl_p): New.
14537 (sra_initialize): Allocate disqualified_constants.
14538 (sra_deinitialize): Free disqualified_constants.
14539 (disqualify_candidate): Update disqualified_constants when appropriate.
14540 (create_access): Scan for constant-pool entries as we go along.
14541 (scalarizable_type_p): Add check against type_contains_placeholder_p.
14542 (maybe_add_sra_candidate): Allow constant-pool entries.
14543 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
14544 (initialize_constant_pool_replacements): New.
14545 (sra_modify_assign): Avoid mangling assignments created by previous,
14546 and don't generate writes into constant pool.
14547 (sra_modify_function_body): Call initialize_constant_pool_replacements.
14549 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
14551 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
14552 andnot instruction.
14553 (scalar_chain::convert_op): Likewise.
14554 * config/i386/i386.md (*andndi3_doubleword): New.
14556 2016-01-18 Richard Biener <rguenther@suse.de>
14558 PR tree-optimization/69170
14559 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
14560 building a vector from scalar results of a pattern stmt.
14562 2016-01-18 Jakub Jelinek <jakub@redhat.com>
14564 * haifa-sched.c (autopref_multipass_init): Work around
14565 -Wmaybe-uninitialized warning.
14567 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
14569 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
14570 against the constant 0.
14572 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
14574 PR tree-optimization/68799
14575 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
14576 look up phi candidates in the statement-candidate map.
14577 (phi_add_costs): Likewise.
14578 (record_phi_increments): Likewise.
14579 (phi_incr_cost): Likewise.
14580 (ncd_with_phi): Likewise.
14581 (all_phi_incrs_profitable): Likewise.
14583 2016-01-17 Jakub Jelinek <jakub@redhat.com>
14585 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
14586 -Wmaybe-uninitialized warning.
14588 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
14590 * doc/invoke.texi (Invoking GCC): Add new section to menu.
14591 (Option Summary): Update to reflect new section and moved options.
14592 (C++ Dialect Options): Move -fvtable-verify and related options.
14593 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
14594 and profiling-related options.
14595 (Optimization Options): Move profile generation options and
14596 -fstack-protector and related options.
14597 (Instrumentation Options): New section incorporating moved options.
14598 (Code Generation Options): Move -finstrument-functions and
14599 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
14601 2016-01-16 Tom de Vries <tom@codesourcery.com>
14603 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
14605 2016-01-16 Tom de Vries <tom@codesourcery.com>
14607 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
14609 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
14611 * hash-table.h (hash_table::empty): Turn into an inline wrapper
14612 that checks whether the table is already empty. Rename the
14613 original implementation to...
14614 (hash_table::empty_slot): ...this new private function.
14616 2016-01-15 David Malcolm <dmalcolm@redhat.com>
14618 PR diagnostic/68899
14619 * diagnostic-show-locus.c (layout::print_source_line): Move x
14620 offset of line until after call to
14621 get_line_width_without_trailing_whitespace.
14623 2016-01-15 Jeff Law <law@redhat.com>
14625 PR tree-optimization/69270
14626 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
14627 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
14628 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
14629 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
14630 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
14631 ssa_name_has_boolean_range and constant_boolean_node.
14633 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
14635 PR rtl-optimization/69030
14636 * lra-spills.c (remove_pseudos): Check nrefs and make the function
14638 (spill_pseudos): Delete debug insn for dead pseudo.
14639 (lra_spill): Initiate spill_hard_reg and slots memory separately.
14641 2016-01-15 Jiong Wang <jiong.wang@arm.com>
14643 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
14645 (TYPES_UNOPUS): Likewise.
14646 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
14647 builtin type, from UNOP to UNOPUS.
14648 (lbtruncuv4sf): Likewise.
14649 (lbtruncuv2df): Likewise.
14650 (lrounduv2sf): Likewise.
14651 (lrounduv4sf): Likewise.
14652 (lrounduv2df): Likewise.
14653 (lroundusf): Likewise.
14654 (lroundusf): Likewise.
14655 (lceiluv2sf): Likewise.
14656 (lceiluv4sf): Likewise.
14657 (lceiluv2df): Likewise.
14658 (lceilusf): Likewise.
14659 (lceiludf): Likewise.
14660 (lflooruv2sf): Likewise.
14661 (lflooruv4sf): Likewise.
14662 (lflooruv2df): Likewise.
14663 (lfloorusf): Likewise.
14664 (lfloorudf): Likewise.
14665 (lfrintnuv2sf): Likewise.
14666 (lfrintnuv4sf): Likewise.
14667 (lfrintnuv2df): Likewise.
14668 (lfrintnusf): Likewise.
14669 (lfrintnudf): Likewise.
14670 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
14672 (vcvtq_u32_f32): Likewise.
14673 (vcvtq_u64_f64): Likewise.
14674 (vcvta_u32_f32): Likewise.
14675 (vcvtaq_u32_f32): Likewise.
14676 (vcvtaq_u64_f64): Likewise.
14677 (vcvtm_u32_f32): Likewise.
14678 (vcvtmq_u32_f32): Likewise.
14679 (vcvtmq_u64_f64): Likewise.
14680 (vcvtn_u32_f32): Likwise.
14681 (vcvtnq_u32_f32): Likewise.
14682 (vcvtnq_u64_f64): Likewise.
14683 (vcvtp_u32_f32): Likewise.
14684 (vcvtpq_u32_f32): Likewise.
14685 (vcvtpq_u64_f64): Likewise.
14686 (vcvtmd_u64_f64): Likewise.
14687 (vcvtms_u32_f32): Likewise.
14688 (vcvtad_u64_f64): Likewise.
14689 (vcvtas_u32_f32): Likewise.
14690 (vcvtnd_u64_f64): Likewise.
14691 (vcvtns_u32_f32): Likewise.
14692 (vcvtpd_u64_f64): Likewise.
14693 (vcvtps_u32_f32): Likewise.
14695 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14697 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
14698 CSEL of zero_extended registers.
14700 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14702 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
14703 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
14705 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14707 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
14708 false when argument string is not found in the attributes table
14711 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
14714 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
14715 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
14716 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
14717 precision estimate.
14719 2016-01-15 Richard Biener <rguenther@suse.de>
14721 PR tree-optimization/66856
14722 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
14723 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
14724 (vect_create_new_slp_node): Increment stmt reference count.
14725 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
14726 an SLP tree before swapping operands.
14727 (vect_build_slp_tree): Likewise.
14728 (destroy_bb_vec_info): Free stmt info after SLP instances.
14729 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
14730 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
14731 (STMT_VINFO_NUM_SLP_USES): New macro.
14733 2016-01-15 Richard Biener <rguenther@suse.de>
14736 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
14737 (add_linkage_name): ... here.
14738 (gen_typedef_die): Use add_linkage_name_raw instead of
14739 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
14742 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
14744 * gimplify.c (oacc_default_clause): Decode reference and pointer
14745 types for both kernels and parallel regions.
14747 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
14749 PR middle-end/69246
14750 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
14752 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
14754 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
14755 (convert_scalars_to_vector): Likewise.
14757 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
14759 * doc/extend.texi (Type Traits): Fix grammar.
14761 2016-01-15 Martin Jambor <mjambor@suse.cz>
14763 * tree-inline.c (remap_decl): Use existing dclarations if
14764 remapping a type and prevent_decl_creation_for_types.
14765 (replace_locals_stmt): Do an initial remapping of non-VLA typed
14766 decls first. Do real remapping with
14767 prevent_decl_creation_for_types set.
14768 * tree-inline.h (copy_body_data): New field
14769 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
14772 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
14774 * config/s390/s390.opt (mmvcle): More verbose help text.
14776 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
14778 * config/s390/s390.opt: Add period to -mzvector option text.
14780 2016-01-15 Richard Biener <rguenther@suse.de>
14782 PR tree-optimization/68961
14783 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
14784 of invariants in stores again.
14786 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
14788 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
14790 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
14792 * config/i386/i386.c (ix86_expand_branch): Don't split
14793 DI mode xor instruction to SI mode.
14795 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
14798 * ipa-icf.c (sem_function::merge): Virtual functions may become
14799 reachable even if they address is not taken and there are no
14802 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
14804 * lto-streamer-out.c (subtract_estimated_size): New function.
14805 (get_symbol_initial_value): Use it.
14807 2016-01-15 Christian Bruel <christian.bruel@st.com>
14810 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
14811 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
14812 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
14813 use add_builtin_function_ext_scope instead of add_builtin_function.
14814 (neon_set_p, neon_crypto_set_p): Remove.
14815 (arm_init_builtins): Always call arm_init_neon_builtins and
14816 arm_init_crypto_builtins.
14817 (arm_expand_builtin): Check that builtins are allowed for the arch.
14818 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
14819 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
14820 arm_init_neon_builtins call.
14822 2016-01-15 Richard Biener <rguenther@suse.de>
14824 PR tree-optimization/69117
14825 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
14826 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
14827 of the leader conservatively.
14828 (free_scc_vn): Restore original SSA name infos.
14830 2016-01-14 Jeff Law <law@redhat.com>
14832 PR tree-optimization/69270
14833 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
14834 single bit of precision, verify it's also unsigned.
14835 (record_edge_info): Use constant_boolean_node rather than fold_convert
14836 to convert boolean_true/boolean_false to the right type.
14838 2016-01-14 Richard Henderson <rth@redhat.com>
14841 * loop-doloop.c (record_reg_sets): New.
14842 (doloop_optimize): Reject the transform if the sequence
14843 clobbers registers live at the end of the loop block.
14844 (doloop_optimize_loops): Enable df_live if needed.
14846 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
14848 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
14849 * config/rs6000/rs6000.c: Likewise.
14850 * config/rs6000/rs6000.h: Likewise.
14851 * config/rs6000/rs6000.md: Likewise.
14852 * doc/extend.texi: Likewsie.
14854 2016-01-14 Jeff Law <law@redhat.com>
14856 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
14859 2016-01-14 Richard Henderson <rth@redhat.com>
14863 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
14864 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
14865 instead of builtin_decl_declared_p to test for declaration.
14867 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
14869 * doc/loop.texi (Loop Analysis and Representation): Document
14870 loop_depth function.
14872 2016-01-14 Tom de Vries <tom@codesourcery.com>
14874 PR tree-optimization/68773
14875 * omp-low.c (expand_omp_target): Don't set force_output.
14876 * varpool.c (varpool_node::get_create): Same.
14877 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
14878 offload_funcs with force_output.
14880 2016-01-14 Jakub Jelinek <jakub@redhat.com>
14883 * lra-eliminations.c (move_plus_up): Don't change anything if either
14884 the outer or inner subreg mode is not MODE_INT.
14885 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
14886 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
14888 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
14890 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
14891 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
14892 reduc_uplus_@var{m}): Remove.
14893 * expr.c (expand_expr_real_2): Remove expansion path for
14894 reduc_[us](min|max|plus) optabs.
14895 * optabs-tree.c (scalar_reduc_to_vector): Remove.
14896 * optabs-tree.h (scalar_reduc_to_vector): Remove.
14897 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
14898 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
14899 * tree-vect-loop.c (vectorizable_reduction): Remove test for
14900 reduc_[us](min|max|plus) optabs.
14902 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
14904 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
14905 (reduc_plus_scal_v2sf): New.
14906 (reduc_smax_v2sf): Rename to...
14907 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
14908 (reduc_smin_v2sf): Rename to...
14909 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
14911 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
14913 * alias.c (compare_base_symbol_refs): New function.
14914 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
14917 2016-01-14 Jakub Jelinek <jakub@redhat.com>
14919 PR middle-end/68146
14920 PR tree-optimization/69155
14921 * tree-complex.c: Include cfganal.h.
14922 (phis_to_revisit): New variable.
14923 (extract_component): Add phiarg_p argument. Assert that returned
14924 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
14925 (update_phi_components): Partly rewrite to use loop over real/imag
14926 components instead of code duplication. If extract_component returns
14927 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
14928 create_tmp_reg into the PHI node instead, and mention the phi triplet
14929 in phis_to_revisit.
14930 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
14931 in phis_to_revisit at the end.
14933 2016-01-14 Richard Biener <rguenther@suse.de>
14935 PR tree-optimization/68060
14936 * tree-vect-loop.c (vect_is_simple_reduction): Check the
14937 outer loop reduction is only used in the inner loop before
14938 detecting a double reduction.
14940 2016-01-14 Jakub Jelinek <jakub@redhat.com>
14943 * combine.c (expand_field_assignment): Punt if compute_mode is
14944 unsupported scalar mode.
14946 2016-01-14 Richard Biener <rguenther@suse.de>
14948 PR tree-optimization/66856
14949 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
14950 SLP node only if it built successfully.
14951 (vect_analyze_slp_instance): Adjust.
14953 2016-01-14 Jeff Law <law@redhat.com>
14955 PR tree-optimization/69270
14956 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
14957 (record_edge_info): Use it. Convert boolean_{true,false}_node
14958 to the type of op0.
14960 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
14963 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
14964 use block_ultimate_origin
14965 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
14967 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
14969 * doc/invoke.texi (Submodel Options): Rename section to
14970 "Machine-Dependent Options" to better reflect its content.
14971 Rewrite introductory text to remove archaic CPU names.
14974 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
14976 * doc/invoke.texi (Code Gen Options): Move section up in file,
14977 before target-specific options. Update menu and option summary
14978 to reflect the new section ordering.
14980 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
14982 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
14983 (C++ Dialect Options): Add cross-reference to -std option.
14984 * doc/standards.texi (C++ Language): Document C++14 support.
14986 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
14988 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
14989 for pack/unpack functions for __ibm128.
14990 (PACK_IF): Likewise.
14991 (UNPACK_IF): Likewise.
14993 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
14994 support for __ibm128 pack/unpack functions.
14995 (rs6000_invalid_builtin): Likewise.
14996 (rs6000_init_builtins): Likewise.
14997 (rs6000_opt_masks): Likewise.
14999 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15000 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15002 (RS6000_BTM_COMMON): Likewise.
15004 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15005 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15006 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15007 128-bit floating point. Add support for the double values to be
15008 in Altivec registers for TF/IF packing and unpacking, but restrict
15009 TD packing sub-fields to be FPR registers. Don't allow overlapped
15010 register support for packing. Allow pack inputs to be memory
15011 locations. Don't build generator functions for unpack<mode>_dm
15012 and unpack<mode>_nodm.
15013 (unpack<mode>_dm): Likewise.
15014 (unpack<mode>_nodm): Likewise.
15015 (pack<mode>): Likewise.
15017 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15018 built-in functions to pack/unpack explicit __ibm128 values.
15019 (__builtin_unpack_ibm128): Likewise.
15021 * doc/extend.texi (PowerPC Built-in Functions): Document
15022 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15024 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
15027 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15028 Add new arg loc and pass it down as context.
15029 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15030 to the location to use for the warning.
15031 (check_function_arguments): New arg loc. All callers changed. Pass
15032 it to check_function_nonnull.
15033 * c-common.h (check_function_arguments): Adjust declaration.
15035 2016-01-13 Jakub Jelinek <jakub@redhat.com>
15037 PR tree-optimization/69156
15038 * gimple.c (validate_type): Removed.
15039 (gimple_builtin_call_types_compatible_p): Use
15040 useless_type_conversion_p instead of validate_type.
15041 * value-prof.c (gimple_stringop_fixed_value): Fold
15042 icall_size to correct type.
15044 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
15046 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15049 2016-01-13 Richard Henderson <rth@redhat.com>
15052 * target.def (builtin_tm_load, builtin_tm_store): Remove.
15053 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15054 (ix86_builtin_tm_store): Remove.
15055 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15056 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15057 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15058 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15059 * doc/tm.texi: Rebuild.
15061 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15062 (BUILT_IN_TM_MEMCPY_RTWN): New.
15063 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15064 fallback from vector to integer helpers.
15065 (build_tm_load): Handle vector types directly, instead of
15067 (build_tm_store): Likewise.
15068 (expand_assign_tm): Prepare for register types not handled by
15069 the above. Copy them to memory and use memcpy.
15070 * tree.c (tm_define_builtin): New.
15071 (find_tm_vector_type): New.
15072 (build_tm_vector_builtins): New.
15073 (build_common_builtin_nodes): Call it.
15075 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
15077 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15078 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
15080 2016-01-13 Tom de Vries <tom@codesourcery.com>
15082 PR tree-optimization/69169
15083 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15084 handled_struct_type param.
15085 (create_variable_info_for, intra_create_variable_infos): Call
15086 create_variable_info_for_1 with extra arg.
15088 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
15090 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15091 and "armv8.1-a+crc" entries.
15093 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
15096 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15097 Change first operand predicate from register_or_constm1_operand
15098 to register_operand.
15099 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15100 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15101 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15102 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15103 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15104 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15105 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15106 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15107 comparison with constm1_rtx from vec_prefetch_gen part.
15109 2016-01-13 Richard Biener <rguenther@suse.de>
15111 PR tree-optimization/69013
15112 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15113 Exchange assert for a test.
15115 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
15118 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15120 2016-01-13 Richard Biener <rguenther@suse.de>
15122 PR tree-optimization/69242
15123 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15124 assert with a check.
15126 2016-01-13 Richard Biener <rguenther@suse.de>
15128 PR tree-optimization/69186
15129 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15130 Properly guard vect_update_misalignment_for_peel call.
15132 2016-01-12 Jeff Law <law@redhat.com>
15134 PR tree-optimization/pr67755
15135 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15136 "need_profile_correction".
15137 (thread_block_1): Initialize new field to false by default. If we
15138 have multiple thread paths through a common joiner to different
15139 final targets, then set new field to true.
15140 (compute_path_counts): Only do count adjustment when it's really
15143 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
15145 * doc/invoke.texi (Spec Files): Move section down in file, past
15146 all command-line option descriptions.
15148 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
15150 PR middle-end/54809
15151 * doc/gty.texi: Remove documentation of mark_hook.
15152 * gengtype.c (struct write_types_data): Remove code to support
15153 mark_hook attribute.
15154 (walk_type): Likewise.
15155 (write_func_for_structure): Likewise.
15157 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
15159 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15160 Directory Options, and -specs= to Overall Options.
15161 (Overall Options): Adjust similarly. Reorder to group related
15162 options together. Make -specs= cross-reference the spec file details.
15163 (Directory Options): Adjust similarly.
15165 2016-01-12 Jeff Law <law@redhat.com>
15167 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15169 2016-01-12 Olivier Hainque <hainque@adacore.com>
15171 * gcc.c (spec_undefvar_allowed): New global.
15172 (process_command): Set to true when running for --version or --help,
15174 (getenv_spec_function): When the variable is not defined, use the
15175 variable name as the variable value if we're allowed not to issue
15178 2016-01-12 Bin Cheng <bin.cheng@arm.com>
15180 PR tree-optimization/68911
15181 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15182 information computed for expression "init + nit * step".
15184 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
15186 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
15187 about name of GCC executable. Remove deleted node from menu.
15188 (Directory Options) <-B>: Remove cross-reference to deleted node.
15189 (Target Options): Delete section.
15191 2016-01-12 Christian Bruel <christian.bruel@st.com>
15194 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15195 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15197 2016-01-12 Jakub Jelinek <jakub@redhat.com>
15200 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15201 aligned_mem is properly set for AVX512-VL floating point masked
15205 * ifcvt.c (cond_exec_process_if_block): When removing the last
15206 insn from then_bb, remove also any possible barriers that follow it.
15208 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
15212 * config/i386/iamcu.h (SIZE_TYPE): New macro.
15213 (PTRDIFF_TYPE): Likewise.
15214 (WCHAR_TYPE): Likewise.
15215 (WCHAR_TYPE_SIZE): Likewise.
15216 (STDINT_LONG32): Likewise.
15218 2016-01-12 Richard Biener <rguenther@suse.de>
15220 PR tree-optimization/69053
15221 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
15222 convert initial value for cond reductions.
15224 2016-01-12 Richard Biener <rguenther@suse.de>
15226 PR tree-optimization/69007
15227 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
15228 widen_sum after dot_prod and sad.
15230 2016-01-12 Richard Biener <rguenther@suse.de>
15232 PR tree-optimization/69168
15233 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
15234 pattern stmt SLP type.
15235 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
15236 end up unused so cope with that case.
15238 2016-01-12 Richard Biener <rguenther@suse.de>
15240 PR tree-optimization/69157
15241 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
15242 stmts def type only during analyze phase.
15243 (vectorizable_call): Likewise.
15244 (vectorizable_simd_clone_call): Likewise.
15245 (vectorizable_conversion): Likewise.
15246 (vectorizable_assignment): Likewise.
15247 (vectorizable_shift): Likewise.
15248 (vectorizable_operation): Likewise.
15249 (vectorizable_store): Likewise.
15250 (vectorizable_load): Likewise.
15252 2016-01-12 Richard Biener <rguenther@suse.de>
15254 PR tree-optimization/69174
15255 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
15257 (vectorizable_load): Properly compute the number of loads needed
15258 for permuted strided SLP loads and do not spuriously assign
15259 to SLP_TREE_VEC_STMTS.
15261 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
15263 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
15264 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
15265 (MD_EXEC_PREFIX): Remove.
15266 (MD_STARTFILE_PREFIX) Removee.
15267 (FILE_NAME_ABSOLUTE_P): Remove.
15268 (CPP_SPEC): Do not read macros from sys/version.h.
15269 (LINK_COMMAND_SPEC): Remove.
15270 (LOCAL_INCLUDE_DIR): Remove.
15271 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
15272 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
15273 (POST_LINK_SPEC): Define to invoke stubify after linker
15274 (LIBSTDCXX): Remove define
15275 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
15276 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
15277 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
15278 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
15279 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
15280 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
15281 (i386_djgpp_asm_named_section): Add propotype of new procedure
15283 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
15284 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
15285 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
15286 in config/i386/djgpp.h).
15287 (STANDARD_STARTFILE_PREFIX_2): Define identical to
15288 STANDARD_STARTFILE_PREFIX_1.
15289 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
15290 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
15291 installation errors.
15292 (MAX_OFILE_ALIGNMENT): Define to 128.
15293 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
15295 * config/i386/djgpp.c: New file. Add implementation of
15296 i386_djgpp_asm_named_section.
15298 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
15300 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
15301 Add rule for building djgpp.o.
15303 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
15305 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
15306 (rtx_is_swappable_p): Reductions are swappable.
15307 (insn_is_swappable_p): V2DF reductions are swappable.
15309 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
15311 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
15312 reloads for other unsupported memory operands.
15314 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
15315 Jim Wilson <jim.wilson@linaro.org>
15318 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
15319 copy_to_mode_reg instead of force_reg.
15321 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
15324 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
15325 TARGET_80387 is true.
15327 2016-01-11 Jakub Jelinek <jakub@redhat.com>
15330 * lra-eliminations.c (move_plus_up): Only move plus up
15331 if subreg of the constant can be simplified into constant
15332 and use the simplified subreg of the constant instead of
15333 the original constant.
15335 * fold-const.c (fold_convertible_p): Don't return true
15336 for conversion of VECTOR_TYPE to same sized integral type.
15337 (fold_convert_loc): Fix up formatting. Fold conversion of
15338 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
15339 instead of NOP_EXPR.
15341 PR tree-optimization/69214
15342 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
15343 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
15346 PR tree-optimization/69207
15347 * tree-vect-slp.c (vect_get_constant_vectors): For
15348 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
15349 fold_convertible_p to vector_type's element type, and always
15350 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
15352 2016-01-11 Richard Biener <rguenther@suse.de>
15354 PR tree-optimization/69173
15355 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
15356 fixup the cycle if all stmts are in a pattern.
15358 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
15360 PR middle-end/68999
15361 * alias.c (base_alias_check): Move check for addresses with
15362 alignment ANDs before the call for compare_base_decls.
15363 (memrefs_conflict_p): Return -1 for different decls
15364 that went through alignment adjustments.
15366 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15368 PR rtl-optimization/68796
15369 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
15370 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
15371 and QImode comparisons against zero with CC_NZmode.
15372 * config/aarch64/iterators.md (short_mask): New mode_attr.
15374 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
15376 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
15377 (<avx512>_store<mode>_mask): Likewise.
15379 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
15380 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15382 PR rtl-optimization/68841
15383 * ifcvt.c (struct noce_if_info): Add orig_x field.
15384 (bbs_ok_for_cmove_arith): Add to_rename parameter.
15385 Don't record conflicts on to_rename if it's present.
15386 Allow memory destinations in sets.
15387 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
15388 blocks, passing orig_x to the checks.
15389 (noce_process_if_block): Set if_info->orig_x appropriately.
15391 2016-01-11 Tom de Vries <tom@codesourcery.com>
15393 PR tree-optimization/69069
15394 * tree-parloops.c (create_parallel_loop): Add missing phi args.
15396 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
15398 PR rtl-optimization/68920
15399 * config/i386/i386.c (ix86_option_override_internal): Restrict number
15400 of conditional moves for RTL if-conversion to 1 for
15401 TARGET_ONE_IF_CONV_INSN.
15402 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
15403 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
15404 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
15405 parameter to restirct number of conditional moves for
15407 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
15408 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
15411 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
15414 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
15415 onepart vars. Fix typo in comment. Fix reversed condition in
15417 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
15420 * var-tracking.c (dump_onepart_variable_differences): New.
15421 (dataflow_set_different): If a detailed dump is requested,
15422 delay early returns and dump differences between onepart
15423 variables present before and after, and added variables.
15425 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
15428 * expr.c (expand_expr_real_1): For boolean vector constants
15429 with a scalar mode use const_scalar_mask_from_tree.
15430 (const_scalar_mask_from_tree): New.
15431 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
15432 assigned to a mask type to handle constants.
15434 2016-01-11 Martin Jambor <mjambor@suse.cz>
15437 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
15438 useless parameters if we cannot change function signature.
15440 2016-01-11 Martin Jambor <mjambor@suse.cz>
15443 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
15446 2016-01-11 Tom de Vries <tom@codesourcery.com>
15448 PR tree-optimization/69109
15449 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
15452 2016-01-11 Tom de Vries <tom@codesourcery.com>
15454 PR tree-optimization/69108
15455 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
15456 res is not used in a phi.
15458 2016-01-11 Yury Gribov <y.gribov@samsung.com>
15461 * common.opt (frandom-seed): Fix parameter name.
15462 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
15464 2016-01-11 Tom de Vries <tom@codesourcery.com>
15466 PR tree-optimization/69058
15467 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
15470 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
15472 * config/arc/arc.opt (mdiv-rem): Add period to the end.
15473 (mcode-density): Likewise.
15475 2016-01-10 Tom de Vries <tom@codesourcery.com>
15477 PR tree-optimization/69062
15478 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
15479 (parallelize_loops): Don't paralelize loop that has phi with address
15482 2016-01-10 Tom de Vries <tom@codesourcery.com>
15484 PR tree-optimization/69039
15485 * tree-parloops.c (try_create_reduction_list): Only allow single exit
15488 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
15490 PR middle-end/68743
15491 * match.pd: Require target has function_c99_misc before doing
15492 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
15494 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
15496 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
15498 * configure: Regenerate.
15500 2016-01-09 Jakub Jelinek <jakub@redhat.com>
15502 PR middle-end/50865
15503 PR tree-optimization/69097
15504 * fold-const.h (expr_not_equal_to): New prototype.
15505 * fold-const.c: Include stringpool.h and tree-ssanames.h.
15506 (expr_not_equal_to): New function.
15507 * match.pd (X % -Y is the same as X % Y): Don't optimize
15508 unless X is known not to be equal to minimum or Y is known
15509 not to be equal to -1.
15510 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
15511 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
15512 (simplify_stmt_using_ranges): Adjust caller.
15513 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
15514 substitute_and_fold.
15516 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
15518 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
15521 2016-01-08 Jakub Jelinek <jakub@redhat.com>
15523 PR tree-optimization/69167
15524 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
15525 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
15527 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
15529 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
15530 Richard Biener <rguenther@suse.de>
15532 PR tree-optimization/68707
15533 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
15534 instances that can be handled via vect_load_lanes.
15536 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
15538 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
15539 if we can't determine address equivalence.
15540 * alias.c (compare_base_decl): Update for changed return value of
15541 symtab_node::equal_address_to.
15543 2016-01-08 Jason Merrill <jason@redhat.com>
15547 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
15548 * expr.c (store_field): Not here.
15549 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
15550 call with TREE_ADDRESSABLE type.
15551 * tree-cfg.c (verify_gimple_call): Adjust.
15553 2016-01-08 Olivier Hainque <hainque@adacore.com>
15555 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
15558 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
15560 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
15561 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
15562 (reduc_smin_v2sf): Rename to...
15563 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
15564 (reduc_splus_v2sf): Rename to...
15565 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
15567 2016-01-08 Jakub Jelinek <jakub@redhat.com>
15569 PR tree-optimization/69162
15570 * gimplify.c (gimplify_va_arg_expr): Encode original type of
15571 valist argument in another argument.
15572 (gimplify_modify_expr): Adjust for the above change. Cleanup.
15573 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
15574 to determine the va_list type, build a MEM_REF instead of
15575 build_fold_indirect_ref.
15577 PR tree-optimization/69172
15578 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
15581 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
15583 PR tree-optimization/67781
15584 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
15585 and cmpnop in two steps: first the ones not accessed in original
15586 gimple expression in a endian independent way and then the ones not
15587 accessed in the final result in an endian-specific way.
15589 2016-01-08 Jakub Jelinek <jakub@redhat.com>
15591 PR tree-optimization/69083
15592 * tree-vect-slp.c (vect_get_constant_vectors): For
15593 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
15594 element type. If op is fold_convertible_p to vector_type's element
15595 type, use NOP_EXPR instead of VCE.
15597 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
15599 PR rtl-optimization/67778
15600 PR rtl-optimization/68634
15601 PR rtl-optimization/68909
15602 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
15603 block from the stack until done with it. Remove a superfluous
15604 bitmap set. Remove a superfluous bitmap test.
15606 2016-01-07 Martin Sebor <msebor@redhat.com>
15609 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
15610 constraint on the type of arguments.
15612 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
15614 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
15615 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
15616 unaligned_access on the gcc_options set.
15617 * config/arm/arm.c (arm_option_override_internal): Use
15618 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
15620 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
15623 * config/i386/i386.c (ix86_frame_pointer_required): Enable
15624 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
15626 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
15629 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
15632 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15633 depending on frame_pointer_needed before remaining integer and SSE
15634 registers are saved.
15636 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
15639 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
15641 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
15644 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
15645 Use the "xBm" constraint.
15646 (float<sseintvecmodelower><mode>2<mask_name><round_name):
15648 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
15649 (sse_cvtsi2ssq<round_name>): Likewise.
15650 (sse_cvtss2si<round_name>): Likewise.
15651 (sse_cvtss2siq<round_name>): Likewise.
15652 (sse2_cvtsi2sdq<round_name>): Likewise.
15653 (sse2_cvtsd2si<round_name>): Likewise.
15654 (sse2_cvtsd2siq<round_name>): Likewise.
15655 * config/i386/subst.md (round_nimm_scalar_predicate): New
15658 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
15660 PR middle-end/67639
15661 * varasm.c (make_decl_rtl): Mark invalid register vars as
15664 PR rtl-optimization/66206
15665 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
15666 All callers changed.
15668 2016-01-07 Jakub Jelinek <jakub@redhat.com>
15670 PR tree-optimization/69141
15671 * tree-ssa-pre.c: Include langhooks.h.
15672 (eliminate_dom_walker::before_dom_children): Use
15673 lang_hooks.decl_printable_name instead of
15674 cgraph_node::get ()->name ().
15676 PR middle-end/68960
15677 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
15678 it and DECL_ALIGN too.
15680 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
15682 * config/mips/mips-ftypes.def: Sort to lexicographical order.
15684 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
15687 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15688 depending on frame_pointer_needed before remaining integer and SSE
15689 registers are saved.
15691 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
15693 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
15694 mode iterator with VSX_M2.
15695 (*p9_vecstore_<mode>): Likewise.
15696 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
15697 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
15698 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
15699 (define_split for VSX_LE128 stores): Likewise.
15700 (define_peephole2 for TImode LE swaps): Likewise.
15701 (define_split for VSX_LE128 post-reload stores): Likewise.
15703 2016-01-06 Marek Polacek <polacek@redhat.com>
15706 * convert.c (convert_to_integer_1): Adjust call to
15707 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
15708 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
15709 EXPR instead of ARG.
15710 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
15712 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
15715 * doc/extend.texi (RL78 Variable Attributes): New section.
15717 2016-01-05 Marek Polacek <polacek@redhat.com>
15720 * builtins.c (get_memmodel): Use expansion point location rather than
15721 the input location. Call warning_at rather than warning.
15722 (expand_builtin_atomic_compare_exchange): Likewise.
15723 (expand_builtin_atomic_load): Likewise.
15724 (expand_builtin_atomic_store): Likewise.
15725 (expand_builtin_atomic_clear): Likewise.
15727 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
15730 * config/i386/i386.c (ix86_expand_vector_logical_operator):
15731 Replace nonimmediate_operand with vector_operand.
15732 * config/i386/predicates.md (vector_operand): New predicate.
15733 (general_vector_operand): Replace nonimmediate_operand with
15735 * config/i386/sse.md: Replace nonimmediate_operand with
15736 vector_operand and m constraint with Bm constraint on SSE
15737 patterns with 16-byte memory operand.
15738 * config/i386/subst.md (round_nimm_predicate): Replace
15739 nonimmediate_operand with vector_operand.
15740 (round_saeonly_nimm_predicate): Likewise.
15741 (round_saeonly_nimm_scalar_predicate): New.
15743 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
15746 * config/i386/constraints.md (Bm): New constraint.
15747 * config/i386/predicates.md (vector_memory_operand): New
15749 * config/i386/sse.md: Replace xm with xBm in plusminus and
15750 any_logic patterns.
15752 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
15755 * doc/extend.texi (V850 Function Attributes): New section.
15756 (V850 Variable Attributes): New section.
15758 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
15761 * doc/extend.texi (MicroBlaze Function Attributes): Document
15762 interrupt_handler and fast_interrupt attributes.
15764 2016-01-05 Sergei Trofimovich <siarheit@google.com>
15767 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
15768 for local symbolic operands.
15769 * config/ia64/predicates.md (local_symbolic_operand64): New
15772 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15774 PR rtl-optimization/68651
15775 * combine.c (combine_simplify_rtx): Canonicalize x + x into
15778 2016-01-05 Nathan Sidwell <nathan@acm.org>
15780 * alias.c (compare_base_decls): Use symtab_node::get.
15782 2016-01-05 Nick Clifton <nickc@redhat.com>
15785 * ira-costs.c (copy_cost): Initialise the t_icode field of the
15786 secondary_reload_info structure.
15789 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
15790 decls if weak support is available.
15792 2016-01-04 Martin Sebor <msebor@redhat.com>
15794 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
15796 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
15798 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
15799 OPTION_MASK_P9_DFORM.
15801 * config/rs6000/constraints.md (wo constraint): New constraint for
15804 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
15806 (rs6000_init_hard_regno_mode_ok): Likewise.
15808 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
15811 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
15812 expanders not to have constraints. Add support for ISA 3.0 xxperm
15813 instruction. Add support for fusing xxlor with xxperm.
15814 (altivec_vperm_<mode>_internal): Likewise.
15815 (altivec_vperm_v8hiv16qi): Likewise.
15816 (altivec_vperm_<mode>v16q): Likewise.
15817 (altivec_vperm_<mode>_uns): Likewise.
15818 (vperm_v8hiv4si): Likewise.
15819 (vperm_v16qiv8hi): Likewise.
15821 * doc/md.texi (RS/6000 constraints): Document wo constraint.
15823 2016-01-04 Jakub Jelinek <jakub@redhat.com>
15825 Update copyright years.
15827 * gcc.c (process_command): Update copyright notice dates.
15828 * gcov-dump.c (print_version): Ditto.
15829 * gcov.c (print_version): Ditto.
15830 * gcov-tool.c (print_version): Ditto.
15831 * gengtype.c (create_file): Ditto.
15832 * doc/cpp.texi: Bump @copying's copyright year.
15833 * doc/cppinternals.texi: Ditto.
15834 * doc/gcc.texi: Ditto.
15835 * doc/gccint.texi: Ditto.
15836 * doc/gcov.texi: Ditto.
15837 * doc/install.texi: Ditto.
15838 * doc/invoke.texi: Ditto.
15840 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
15842 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
15843 modes larger than TImode as TImode if NEON is not enabled.
15845 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
15848 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
15849 mode for %f0-%f31 only if TARGET_FPU.
15851 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
15854 * config/sparc/sparc.c (scan_record_type): Take into account subfields
15855 to compute the PACKED_P predicate.
15856 (function_arg_record_value): Minor tweaks.
15858 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
15860 * doc/install.texi (--with-multilib-list): Describe the meaning of the
15861 option for arm*-*-* targets.
15863 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
15865 * doc/extend.texi (Common Function Attributes): Move docs for
15866 MSP430-specific attributes to....
15867 (MSP430 Function Attributes): ...here. Delete the redundant
15868 entries and copy-edit the remaining text.
15869 (MSP430 Variable Attributes): Use uniform format for index
15870 entries and add a cross-reference to the corresponding function
15873 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
15875 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
15877 (x86 Options): Likewise.
15879 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
15883 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
15884 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
15885 to corresponding attribute.
15887 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
15889 * doc/extend.texi (Common Function Attributes) <noplt>: Move
15890 to correct alphabetization of table. Copy-edit and correct
15892 <stack_protect>: Likewise.
15893 <target_clones>: Likewise.
15895 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
15896 Correct punctuation.
15897 (Code Gen Options) <-fno-plt>: Copy-edit.
15899 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
15902 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
15903 SI values. Explicitly convert SI to DI and vice-versa.
15905 2016-01-01 Jakub Jelinek <jakub@redhat.com>
15907 PR tree-optimization/69070
15908 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
15909 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
15912 * ubsan.c (ubsan_instrument_float_cast): Call
15913 initialize_sanitizer_builtins.
15916 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
15918 Copyright (C) 2016 Free Software Foundation, Inc.
15920 Copying and distribution of this file, with or without modification,
15921 are permitted in any medium without royalty provided the copyright
15922 notice and this notice are preserved.