2016-06-16 Ed Schonberg <schonberg@adacore.com>
[official-gcc.git] / gcc / ChangeLog
blobb93a6896463d974c6e7c25c161c383b159ed6d58
1 2016-06-16  Renlin Li  <renlin.li@arm.com>
3         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
5 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
7         PR target/71554
8         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
9         (setcc + and peephole2): Likewise.
11         PR rtl-optimization/71532
12         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
13         memory slots.
15 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
17         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
18         DImode constants with XXSPLTIB in vector registers.
19         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
20         vsx_extract_<mode>_internal{1,2} into a single insn that handles
21         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
22         extraction of the element at the top of the register as a scalar
23         value.
24         (vsx_extract_<mode>_internal1): Likewise.
25         (vsx_extract_<mode>_internal2): Likewise.
26         * config/rs6000/constraints.md (wi constraint): Remove a comment
27         about DImode not being allowed in Altivec registers.
28         (wB constraint): New constraint for constants that can be
29         generated in Altivec registers with VSPLTISW/VUPKHSW.
30         * config/rs6000/predicates.md (xxspltib_constant_split): Update
31         comments.
32         (xxspltib_constant_nosplit): Likewise.
33         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
34         support for -mupper-regs-di to enable DImode to go into Altivec
35         registers.
36         (POWERPC_MASKS): Likewise.
37         (power7 cpu): Likewise.
38         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
39         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
40         for DImode being allowed in Altivec registers.  Update wi/wj
41         constraints.  Set scalar_in_vmx_p flag.
42         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
43         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
44         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
45         (rs6000_opt_masks): Add -mupper-regs-di.
46         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
47         direct move to use wi and not wj.
48         (lfiwzx): Likewise.
49         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
50         alternative.
51         (floatunssi<mode>2_lfiwzx_mem): Likewise.
52         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
53         any VSX register, instead of just Altivec registers, to allow
54         either operand to be an Altivec register or both.
55         (fixuns_trunc<mode>di2_fctiduz): Likewise.
56         (movdi_internal32): Add support for -mupper-regs-di.  Add support
57         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
58         the alternatives and attributes to be lined up to be easier to
59         read.
60         (movdi_internal64): Likewise.
61         (64-bit DImode splitters): Change predicates to only split loading
62         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
63         load constants in ISA 3.0 or ISA 2.07 respectively.
64         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
65         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
66         mention -mcpu=power9 sets these options.
67         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
68         wB constraint.
70 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
72         PR target/67353
73         * config/avr/avr.c (avr_set_current_function): Warn misspelled
74         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
75         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
76         by default to warn misspelled interrupt/ signal handler.
77         * doc/invoke.texi (AVR Options): Document it. Update description
78         for -nodevicelib option.
80 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
82         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
83         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
84         (aarch64_<sur>shll2_n<mode>): Likewise.
86 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
88         PR middle-end/71529
89         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
90         DECL_CONTEXT for copied arguments.
92 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
94         PR tree-optimization/71483
95         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
96         for slp
98 2016-06-15  Martin Liska  <mliska@suse.cz>
100         * predict.c (tree_predict_by_opcode): Call predict_edge_def
101         instead of predict_edge w/o a probability.
103 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
105         PR tree-optimization/71439
106         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
107         live PHIs.
109 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
111         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
112         register subregs in SET_SRC.
114 2016-06-15  Richard Biener  <rguenther@suse.de>
116         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
117         store restrictions.
119 2016-06-15  Richard Biener  <rguenther@suse.de>
121         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
122         not consider dependences between accesses that belong to the
123         same group.
124         (vect_analyze_data_ref_dependences): Do not analyze read-read
125         or self-dependences.
127 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
129         * spellcheck-tree.c: Include spellcheck-tree.h rather than
130         spellcheck.h.
131         (find_closest_identifier): Reimplement in terms of
132         best_match<tree,tree>.
133         * spellcheck-tree.h: New file.
134         * spellcheck.c (struct edit_distance_traits<const char *>): New
135         struct.
136         (find_closest_string): Reimplement in terms of
137         best_match<const char *, const char *>.
138         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
139         overload to spellcheck-tree.h.
140         (find_closest_identifier): Likewise.
141         (struct edit_distance_traits<T>): New template.
142         (class best_match): New class.
144 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
146         * selftest-run-tests.c (selftest::run_tests): Call
147         selftest::spellcheck_tree_c_tests.
148         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
149         * spellcheck-tree.c: Include selftest.h and stringpool.h.
150         (selftest::test_find_closest_identifier): New function.
151         (selftest::spellcheck_tree_c_tests): New function.
152         * spellcheck.c (selftest::test_find_closest_string): Verify that
153         the order of the vec does not affect the results for this case.
154         (selftest::test_data): New array.
155         (selftest::test_metric_conditions): New function.
156         (selftest::spellcheck_c_tests): Add a test of case-comparison.
157         Call selftest::test_metric_conditions.
159 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
161         * config/rs6000/rs6000-builtin.def (commentary): Typo.
162         (BU_P9_MISC_1): Likewise.
163         (BU_P9_64BIT_MISC_0): Likewise.
164         (BU_P9_MISC_0): Likewise.
166 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
168         * gcc-rich-location.c
169         (gcc_rich_location::add_fixit_misspelled_id): New method.
170         * gcc-rich-location.h
171         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
173 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
175         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
176         FreeBSD 11 and above.
178 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
180         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
182 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
184         * expmed.h: Close parenthesis in "at your option" in copyright
185         boilerplate.
186         * lower-subreg.h: Likewise.
188 2016-06-14  Richard Biener  <rguenther@suse.de>
190         PR middle-end/71526
191         * genmatch.c (expr::gen_transform): Use in_type for comparisons
192         if available.
194 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
196         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
197         New function.
198         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
199         mask+shift version.
200         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
201         New prototype.
202         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
203         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
205 2016-06-14  Richard Biener  <rguenther@suse.de>
207         PR tree-optimization/71522
208         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
209         copying into float copying.
211 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
213         PR tree-optimization/71520
214         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
215         (replace_block_by): Move user labels from bb1 to bb2.
217 2016-06-14  Richard Biener  <rguenther@suse.de>
219         PR middle-end/71310
220         PR bootstrap/71510
221         * expr.h (get_bit_range): Declare.
222         * expr.c (get_bit_range): Export.
223         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
224         word_mode again to constrain the bitfield access.
226 2016-06-14  Richard Biener  <rguenther@suse.de>
228         PR tree-optimization/71521
229         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
230         division int_const_binop against zero divisor.
232 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
234         * config/i386/i386.md (signbittf2): New expander.
235         * config/i386/sse.md (ptesttf2): New insn pattern.
237 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
239         PR bootstrap/71481
240         * input.c (selftest::test_reading_source_line): Avoid reading from
241         __FILE__ by creating a tempfile with known content and reading
242         from that instead.
244 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
246         * pretty-print.c (assert_pp_format_colored): Skip the test if
247         GCC_COLORS is set.
248         (test_pp_format): Remove comment about GCC_COLORS.
250 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
252         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
253         * pretty-print.c (assert_pp_format_va): Add location param and use
254         it with ASSERT_STREQ_AT.
255         (assert_pp_format): Add location param and pass it to
256         assert_pp_format_va.
257         (assert_pp_format_colored): Likewise.
258         (ASSERT_PP_FORMAT_1): New.
259         (ASSERT_PP_FORMAT_2): New.
260         (ASSERT_PP_FORMAT_3): New.
261         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
262         explicitly, or implicitly via the above macros.
263         * selftest.c (selftest::pass): Use a selftest::location rather
264         than file and line.
265         (selftest::fail): Likewise.  Print the function name.
266         (selftest::fail_formatted): Likewise.
267         (selftest::assert_streq): Use a selftest::location rather than
268         file and line.
269         * selftest.h (selftest::location): New struct.
270         (SELFTEST_LOCATION): New macro.
271         (selftest::pass): Accept a const location & rather than file
272         and line.
273         (selftest::fail): Likewise.
274         (selftest::fail_formatted): Likewise.
275         (selftest::assert_streq): Likewise.
276         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
277         (ASSERT_FALSE): Likewise.
278         (ASSERT_EQ): Likewise.
279         (ASSERT_NE): Likewise.
280         (ASSERT_STREQ): Likewise.
281         (ASSERT_PRED1): Likewise.
282         (ASSERT_STREQ_AT): New macro.
284 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
286         * selftest.c (selftest::fail_formatted): New function.
287         (selftest::assert_streq): New function.
288         * selftest.h (selftests::fail_formatted): New decl.
289         (selftest::assert_streq): New decl.
290         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
292 2016-06-13  Jeff Law  <law@redhat.com>
294         PR tree-optimization/71403
295         * tree-ssa-threadbackward.c
296         (convert_and_register_jump_thread_path): No longer accept reference
297         to path.  Do not pop items off the path anymore.
298         (fsm_find_control_statement_thread_paths): Do not allow threading
299         to a deeper loop nest.  Pop the last item off the path here rather
300         than in convert_and_register_jump_thread_path.
302 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
303             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
305         [AArch64] Emit division using the Newton series
307         * config/aarch64/aarch64-protos.h
308         (cpu_approx_modes): Add new member "division".
309         (aarch64_emit_approx_div): Declare new function.
310         * config/aarch64/aarch64.c
311         (generic_approx_modes): New member "division".
312         (exynosm1_approx_modes): Likewise.
313         (xgene1_approx_modes): Likewise.
314         (aarch64_emit_approx_div): Define new function.
315         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
316         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
317         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
318         * doc/invoke.texi (-mlow-precision-div): Describe new option.
320 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
321             Wilco Dijkstra  <wilco.dijkstra@arm.com>
323         [AArch64] Emit square root using the Newton series
325         * config/aarch64/aarch64-protos.h
326         (aarch64_emit_approx_rsqrt): Replace with new function
327         "aarch64_emit_approx_sqrt".
328         (cpu_approx_modes): New member "sqrt".
329         * config/aarch64/aarch64.c
330         (generic_approx_modes): New member "sqrt".
331         (exynosm1_approx_modes): Likewise.
332         (xgene1_approx_modes): Likewise.
333         (aarch64_emit_approx_rsqrt): Replace with new function
334         "aarch64_emit_approx_sqrt".
335         (aarch64_override_options_after_change_1): Handle new option.
336         * config/aarch64/aarch64-simd.md
337         (rsqrt<mode>2): Use new function instead.
338         (sqrt<mode>2): New expansion and insn definitions.
339         * config/aarch64/aarch64.md: Likewise.
340         * config/aarch64/aarch64.opt
341         (mlow-precision-sqrt): Add new option description.
342         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
344 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
346         [AArch64] Add more choices for the reciprocal square root approximation
348         Allow a target to prefer such operation depending on the operation mode.
350         * config/aarch64/aarch64-protos.h
351         (AARCH64_APPROX_MODE): New macro.
352         (AARCH64_APPROX_{NONE,ALL}): Likewise.
353         (cpu_approx_modes): New structure.
354         (tune_params): New member "approx_modes".
355         * config/aarch64/aarch64-tuning-flags.def
356         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
357         * config/aarch64/aarch64.c
358         (generic_approx_modes): New core "cpu_approx_modes" structure.
359         (exynosm1_approx_modes): Likewise.
360         (xgene1_approx_modes): Likewise.
361         (generic_tunings): New member "approx_modes".
362         (cortexa35_tunings): Likewise.
363         (cortexa53_tunings): Likewise.
364         (cortexa57_tunings): Likewise.
365         (cortexa72_tunings): Likewise.
366         (exynosm1_tunings): Likewise.
367         (thunderx_tunings): Likewise.
368         (xgene1_tunings): Likewise.
369         (use_rsqrt_p): New argument for the mode and use new member from
370         "tune_params".
371         (aarch64_builtin_reciprocal): Devise mode from builtin.
372         (aarch64_optab_supported_p): New argument for the mode.
373         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
375 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
377         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
378         RS6000_BTM_MODULO flag into the set of flags that are considered
379         to be part of the common configuration.
381 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
383         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
384         difference unsigned.
385         (vec_absdb): New macro for vector absolute difference unsigned
386         byte.
387         (vec_absdh): New macro for vector absolute difference unsigned
388         half-word.
389         (vec_absdw): New macro for vector absolute difference unsigned word.
390         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
391         (vadu<mode>3): New insn.
392         (*p9_vadu<mode>3): New insn.
393         * config/rs6000/rs6000-builtin.def (vadub): New built-in
394         definition.
395         (vaduh): New built-in definition.
396         (vaduw): New built-in definition.
397         (vadu): New overloaded built-in definition.
398         (vadub): New overloaded built-in definition.
399         (vaduh): New overloaded built-in definition.
400         (vaduw): New overloaded built-in definition.
401         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
402         overloaded vector absolute difference unsigned functions.
403         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
404         the ISA 3.0 vector absolute difference unsigned built-in functions.
406 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
408         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
409         update shared_lookup_references only once after changing operands.
411 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
413         PR middle-end/71373
414         * tree-nested.c (convert_nonlocal_omp_clauses)
415         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
417         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
418         * tree.def (CASE_LABEL_EXPR): Likewise.
420 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
422         PR bootstrap/71481
423         * input.c (test_builtins): Fix an assertion.
425 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
427         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
428         (paritysi2): Ditto.
429         (isinfxf2): Ditto.
430         (isinf<mode>2): Ditto.
432 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
434         * ggc-tests.c (test_finalization): Only test need_finalization_p
435         for GCC_VERSION >= 4003.
437 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
439         * config/s390/vecintrin.h: Fix file description in comment.
441 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
443         * config/s390/s390-builtin-types.def: Change builtin type naming
444         scheme to match builtin-types.def.
446 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
448         * fold-const.c (optimize_minmax_comparison): Remove.
449         (fold_comparison): Remove call to the above.
450         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
451         New transformations.
453 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
455         PR tree-optimization/71416
456         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
457         multiple entries
459 2016-06-13  Martin Liska  <mliska@suse.cz>
461         * predict.c (enum predictor_reason): Prefix enum with REASON_.
462         (combine_predictions_for_insn): Likewise.
463         (prune_predictions_for_bb): Likewise.
464         (combine_predictions_for_bb): Likewise.
466 2016-06-13  Richard Biener  <rguenther@suse.de>
468         PR tree-optimization/71505
469         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
470         assert match comment.
472 2016-06-13  Marek Polacek  <polacek@redhat.com>
474         PR middle-end/71476
475         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
476         gimplify_switch_expr.
477         (warn_switch_unreachable_r): New function.
479 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
481         PR target/71379
482         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
483         one.
485 2016-06-13  Richard Biener  <rguenther@suse.de>
487         PR middle-end/64516
488         * fold-const.c (fold_unary_loc): Preserve alignment when
489         folding a VIEW_CONVERT_EXPR into a MEM_REF.
491 2016-06-13  Martin Liska  <mliska@suse.cz>
493         PR sanitizer/71458
494         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
495         w/ -fsanitize=bounds.
497 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
499         * config/i386/i386.c (ix86_init_builtins): Calculate
500         FLOAT128_FTYPE_CONST_STRING function type only once.
501         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
502         built-in functions are available for x86-32 and x86-64 targets.
504 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
506         PR target/71241
507         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
508         New primitive type.
509         (FLOAT128_FTYPE_CONST_STRING): New function type.
510         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
511         [IX86_BUILTIN_NANSQ]: Ditto.
512         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
513         (ix86_init_builtin_types): Declare const_string_type_node.
514         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
515         builtin functions.
516         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
517         * doc/extend.texi (x86 Built-in Functions): Document
518         __builtin_nanq and __builtin_nansq.
520 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
522         PR target/71061
523         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
524         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
525         length for pop patterns.
526         (arm_attr_length_push_multi): Update comments.
527         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
528         attribute.
529         (*pop_multiple_with_writeback_and_return): Likewise.
530         (*pop_multiple_with_return): Likewise.
532 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
534         PR middle-end/71310
535         * fold-const.c (optimize_bit_field_compare): Don't try to use
536         word_mode unconditionally for reading the bit field, look at
537         DECL_BIT_FIELD_REPRESENTATIVE instead.
539 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
541         PR middle-end/71478
542         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
543         vector integer type.
545 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
547         PR middle-end/71494
548         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
549         without LABEL_DECL, set *handled_ops_p to false instead of true.
551 2016-06-10  Martin Sebor  <msebor@redhat.com>
553         PR c/71392
554         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
555         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
556         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
557         them.
558         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
559         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
560         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
561         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
562         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
563         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
564         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
565         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
567 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
569         * config/arm/arm.h (pool_vector_label,
570         return_used_this_function): Remove.
572 2016-06-10  Jeff Law  <law@redhat.com>
574         PR tree-optimization/71335
575         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
576         zero length paths here.
577         (convert_and_register_jump_thread_path): Remove hacks related to
578         duplicated blocks in the jump thread path.
579         (fsm_find_control_statement_thread_paths): Avoid putting the same
580         block on the thread path twice, but ensure the thread path is
581         unchanged from the caller's point of view.
583 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
585         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
586         * predict.def (PRED_LOOP_BRANCH): Remove.
588 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
590         * Makefile.in (OBJS): Add ggc-tests.o.
591         (GTFILES): Add ggc-tests.c.
592         * ggc-tests.c: New file.
593         * selftest-run-tests.c (selftest::run_tests): Call
594         selftest::ggc_tests_c_tests.
595         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
597 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
599         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
601 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
603         PR sanitizer/71480
604         * varasm.c (place_block_symbol): Adjust alignment for asan protected
605         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
607 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
609         * profile.c: Include cfgloop.h.
610         (branch_prob): Compute estimated number of iterations.
611         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
612         recompute estimate number of iterations from profile.
614 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
616         PR inline-asm/68843
617         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
618         must be grouped on top of stack.  Don't force early clobber
619         on ordinary reg outputs.
621 2016-06-10  Richard Biener  <rguenther@suse.de>
623         * targhooks.c (default_builtin_vectorization_cost): Adjust
624         vec_construct cost.
626 2016-06-10  Richard Biener  <rguenther@suse.de>
628         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
629         to fold the RHS to a constant if possible.
631 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
633         PR middle-end/71373
634         * tree-nested.c (convert_nonlocal_omp_clauses)
635         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
636         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
637         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
639         * gimplify.c (gimplify_adjust_omp_clauses): Discard
640         OMP_CLAUSE_TILE.
641         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
643         * omp-low.c (scan_sharing_clauses): Don't expect
644         OMP_CLAUSE__CACHE_.
646 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
648         PR tree-optimization/71407
649         PR tree-optimization/71416
650         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
651         BIT_FIELD_REF type.
653 2016-06-10  Richard Biener  <rguenther@suse.de>
655         PR middle-end/71477
656         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
658 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
660         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
662 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
663             Jiong Wang  <jiong.wang@arm.com>
665         PR rtl-optimization/70751
666         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
667         spilled into memory.
669 2016-06-09  Jonathan Yong  <10walls@gmail.com>
671         Revert:
672         2015-09-21  Jonathan Yong  <10walls@gmail.com>
674         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
675         sysroot/usr/lib/32api for additional win32 libraries,
676         fixes failing Cygwin bootstrapping.
678 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
680         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
681         Delete.
683 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
685         PR bootstrap/71471
686         * pretty-print.c (pp_indent): Specify that %p is printed in a
687         host-dependent manner.
688         (test_pp_format): Remove the test for %p.
690 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
692         * config/mips/mips.c (mips_output_jump): Fix formatting.
694 2016-06-09  Richard Biener  <rguenther@suse.de>
696         PR tree-optimization/71462
697         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
698         removed blocks.
700 2016-06-09  Martin Liska  <mliska@suse.cz>
702         * predict.c (dump_prediction): Add new argument.
703         (enum predictor_reason): New enum.
704         (struct predictor_hash): New struct.
705         (predictor_hash::hash): New function.
706         (predictor_hash::equal): Likewise.
707         (not_removed_prediction_p): New function.
708         (prune_predictions_for_bb): Likewise.
709         (combine_predictions_for_bb): Prune predictions.
711 2016-06-09  Martin Liska  <mliska@suse.cz>
713         * predict.c (filter_predictions): New function.
714         (remove_predictions_associated_with_edge): Use the filter
715         function.
716         (equal_edge_p): New function.
718 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
720         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
721         Correct usage of @samp vs @option, add @samp where appropriate.
722         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
723         Add armv6s-m and document it, as it is no official ARM name.
725 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
727         * ifcvt.c (struct noce_if_info): Add transform_name field.
728         (noce_try_move): Set if_info->transform_name to the function name.
729         (noce_try_ifelse_collapse): Likewise.
730         (noce_try_store_flag): Likewise.
731         (noce_try_inverse_constants): Likewise.
732         (noce_try_store_flag_constants): Likewise.
733         (noce_try_addcc): Likewise.
734         (noce_try_store_flag_mask): Likewise.
735         (noce_try_cmove): Likewise.
736         (noce_try_cmove_arith): Likewise.
737         (noce_try_minmax): Likewise.
738         (noce_try_abs): Likewise.
739         (noce_try_sign_mask): Likewise.
740         (noce_try_bitop): Likewise.
741         (noce_convert_multiple_sets): Likewise.
742         (noce_process_if_block): Print if_info->transform_name to
743         dump_file if transformation succeeded.
745 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
747         * config/arm/cortex-a57.md (cortex_a57_alu):
748         Handle csel type.
750 2016-06-08  Martin Sebor  <msebor@redhat.com>
751             Jakub Jelinek  <jakub@redhat.com>
753         PR c++/70507
754         PR c/68120
755         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
756         BUILT_IN_MUL_OVERFLOW_P): New builtins.
757         * builtins.c: Include gimple-fold.h.
758         (fold_builtin_arith_overflow): Handle
759         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
760         (fold_builtin_3): Likewise.
761         * doc/extend.texi (Integer Overflow Builtins): Document
762         __builtin_{add,sub,mul}_overflow_p.
764 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
766         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
767         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
769 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
771         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
772         Rewrite, looking one level down for records and arrays.
774 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
776         * pretty-print.c: Include "selftest.h".
777         (pp_format): Fix comment.
778         (identifier_to_locale): Likewise.
779         (selftest::test_basic_printing): New function.
780         (selftest::assert_pp_format): New function.
781         (selftest::test_pp_format): New function.
782         (selftest::pretty_print_c_tests): New function.
783         * selftest-run-tests.c (selftest::run_tests): Call
784         selftest::pretty_print_c_tests.
785         * selftest.h (pretty_print_c_tests): New declaration.
787 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
789         * invoke.texi (max-loop-headers-insns): Document.
790         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
791         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
792         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
794 2016-06-08  Richard Biener  <rguenther@suse.de>
796         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
797         on strided SLP loads and fall back to scalar loads in case
798         we can't chunk them.
800 2016-06-08  Richard Biener  <rguenther@suse.de>
802         PR tree-optimization/71452
803         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
804         type used for the SSA rewrite has enough precision to cover
805         the dynamic type of the location.
807 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
808             Richard Biener  <rguenther@suse.de>
810         PR c++/71448
811         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
812         the same as DECL_P (base0) for indirect_base0.  Use equality_code
813         in one further place.
815 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
817         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
818         to one word if the field is known to overlap other words.
819         (extract_bit_field_1): Likewise.
820         (store_split_bit_field): Remove compensating code.
821         (extract_split_bit_field): Likewise.
823 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
825         PR debug/71432
826         PR ada/71413
827         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
829 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
831         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
832         VDQF.
833         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
834         (arch64_addpv4sf): Delete.
835         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
836         "gen_aarch64_addpv4sf".
837         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
838         builtin.
839         (vpadds_f32): Likewise.
840         (vpaddq_f32): Likewise.
841         (vpaddq_f64): Likewise.
843 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
845         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
846         VALLF.
847         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
848         to VALLF.  Rename to "fabd<mode>3".
849         "*fabd_scalar<mode>3): Delete.
850         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
851         Use builtin.
852         (vabdd_f64): Likewise.
853         (vabd_f32): Likewise.
854         (vabd_f64): Likewise.
855         (vabdq_f32): Likewise.
856         (vabdq_f64): Likewise.
858 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
860         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
861         VALLF.
862         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
863         "aarch64_rsqrts<mode>".
864         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
865         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
866         builtin.
867         (vrsqrtsd_f64): Likewise.
868         (vrsqrts_f32): Likewise.
869         (vrsqrts_f64): Likewise.
870         (vrsqrtsq_f32): Likewise.
871         (vrsqrtsq_f64): Likewise.
873 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
875         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
876         VALLF.
877         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
878         "aarch64_rsqrte<mode>".
879         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
880         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
881         builtin.
882         (vrsqrted_f64): Likewise.
883         (vrsqrte_f32): Likewise.
884         (vrsqrte_f64): Likewise.
885         (vrsqrteq_f32): Likewise.
886         (vrsqrteq_f64): Likewise.
888 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
890         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
891         (ucvtf): Likewise.
892         (fcvtzs): Likewise.
893         (fcvtzu): Likewise.
894         * config/aarch64/aarch64-simd.md
895         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
896         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
897         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
898         Use builtin.
899         (vcvt_n_f32_u32): Likewise.
900         (vcvt_n_s32_f32): Likewise.
901         (vcvt_n_u32_f32): Likewise.
902         (vcvtq_n_f32_s32): Likewise.
903         (vcvtq_n_f32_u32): Likewise.
904         (vcvtq_n_f64_s64): Likewise.
905         (vcvtq_n_f64_u64): Likewise.
906         (vcvtq_n_s32_f32): Likewise.
907         (vcvtq_n_s64_f64): Likewise.
908         (vcvtq_n_u32_f32): Likewise.
909         (vcvtq_n_u64_f64): Likewise.
910         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
911         (VSDQ_SDI): Likewise.
912         (fcvt_target): Support V4DI, V4SI and V2SI.
913         (FCVT_TARGET): Likewise.
915 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
917         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
918         (TYPES_BINOP_SUS): Likewise.
919         (aarch64_simd_builtin_data): Update include file name.
920         (aarch64_builtins): Likewise.
921         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
922         for conversion between scalar float-point and fixed-point.
923         (ucvtf): Likewise.
924         (fcvtzs): Likewise.
925         (fcvtzu): Likewise.
926         * config/aarch64/aarch64.md
927         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
928         pattern for conversion between scalar float to fixed-pointer.
929         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
930         (UNSPEC_FCVTZS): New UNSPEC enumeration.
931         (UNSPEC_FCVTZU): Likewise.
932         (UNSPEC_SCVTF): Likewise.
933         (UNSPEC_UCVTF): Likewise.
934         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
935         Use builtin.
936         (vcvtd_n_f64_u64): Likewise.
937         (vcvtd_n_s64_f64): Likewise.
938         (vcvtd_n_u64_f64): Likewise.
939         (vcvtd_n_f32_s32): Likewise.
940         (vcvts_n_f32_u32): Likewise.
941         (vcvtd_n_s32_f32): Likewise.
942         (vcvts_n_u32_f32): Likewise.
943         * config/aarch64/iterators.md (fcvt_target): Support integer to float
944         mapping.
945         (FCVT_TARGET): Likewise.
946         (FCVT_FIXED2F): New iterator.
947         (FCVT_F2FIXED): Likewise.
948         (fcvt_fixed_insn): New define_int_attr.
950 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
952         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
953         some statements was removed.
955 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
957         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
958         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
959         (vect_can_advance_ivs_p): likewise.
960         (vect_update_ivs_after_vectorizer): likewise.
961         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
962         (vect_analyze_scalar_cycles_1): likewise.
963         (vect_analyze_loop_operations): likewise.
964         (report_vect_op): likewise.
965         (vect_is_slp_reduction): likewise.
966         (vect_is_simple_reduction): likewise.
967         (get_initial_def_for_induction): likewise.
968         (vect_transform_loop): likewise.
969         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
970         (vect_recog_sad_pattern): likewise.
971         (vect_recog_widen_sum_pattern): likewise.
972         (vect_recog_widening_pattern): likewise.
973         (vect_recog_divmod_pattern): likewise.
974         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
975         (vect_analyze_slp_instance): likewise.
976         (vect_transform_slp_perm_load): likewise.
977         (vect_schedule_slp_instance): likewise.
979 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
981         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
982         (return_prediction): PRED_CONST_RETURN predict return as not taken.
983         * predict.def (PRED_CONTINUE): Change hitrate 50->67
984         (PRED_LOOP_BRANCH): Document predictor as broken.
985         (PRED_LOOP_EXIT): Change hitrate 91->92.
986         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
987         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
988         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
989         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
990         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
991         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
992         (PRED_CALL): Chane hitrate 71->67.
993         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
994         (PRED_GOTO): Document as unused right now.
995         (PRED_CONST_RETURN): Change hitrate 67->69
996         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
997         (PRED_NULL_RETURN): Change hitrate 91->90.
998         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
999         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1000         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1002 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1004         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1005         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1006         special case Altivec builtin.
1007         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1008         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1009         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1010         code for ALTIVEC_BUILTIN_VEC_MUL.
1011         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1012         for __builtin_vec_mul.
1014 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1016         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1017         -mno-htm.
1019 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1021         * spellcheck.c (selftest::test_find_closest_string): New function.
1022         (spellcheck_c_tests): Call the above.
1024 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1026         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1028 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1030         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1031         Yv=Yv,C alternatives.
1033 2016-06-07  Richard Biener  <rguenther@suse.de>
1035         PR c/61564
1036         * common.opt (ffast-math): Make Optimization.
1038 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1039             Prachi Godbole  <prachi.godbole@imgtec.com>
1041         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1042         `fabs' and `fneg' type attributes.
1043         (p5600_fpu_fabs): Add `fmove' to the comment.
1045 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1047         * gimple.c: Include builtins.h
1048         (gimple_inexpensive_call_p): New function.
1049         * gimple.h (gimple_inexpensive_call_p): Declare.
1050         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1051         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1052         fix formatting.
1054 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1056         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1057         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1058         warning_at_rich_loc, warning_n, pedwarn, permerror,
1059         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1060         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1061         Use the above.
1063 2016-06-07  Richard Biener  <rguenther@suse.de>
1065         PR tree-optimization/71428
1066         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
1067         BIT_FIELD_REF op vs. load.
1069 2016-06-07  Richard Biener  <rguenther@suse.de>
1071         PR middle-end/71423
1072         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
1073         for signed ops.
1075 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1077         * config/pa/pa.md (call): Generate indirect long calls to non-local
1078         functions on TARGET_64BIT.
1079         (call_value): Likewise.
1081 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1083         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
1084         pattern and subsequent splitters.
1085         (call_val_reg_64bit_post_reload): Likewise.
1087 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1089         PR middle-end/71408
1090         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
1091         propagate_op_to_single_use.
1093 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1095         PR middle-end/71281
1096         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
1098 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
1100         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
1101         (enum x86_dirflag_state): New enum.
1102         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
1103         (machine_function): Remove needs_cld.
1104         (ix86_current_function_needs_cld): Remove.
1105         * config/i386/i386.c (ix86_set_func_type): Set
1106         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
1107         (ix86_expand_prologue): Do not emit CLD here.
1108         (ix86_dirflag_mode_needed): New function.
1109         (ix86_dirflag_mode_entry): Ditto.
1110         (ix86_mode_needed): Handle X86_DIRFLAG entity.
1111         (ix86_mode_after): Ditto.
1112         (ix86_mode_entry): Ditto.
1113         (ix86_mode_exit): Ditto.
1114         (ix86_emit_mode_set): Ditto.
1115         * config/i386/i386.md (strmov_singleop): Set
1116         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
1117         Do not set ix86_current_function_needs_cld.
1118         (rep_mov): Ditto.
1119         (strset_singleop): Ditto.
1120         (rep_stos): Ditto.
1121         (cmpstrnqi_nz_1): Ditto.
1122         (cmpstrnqi_1): Ditto.
1123         (strlenqi_1): Ditto.
1125 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
1127         PR tree-optimization/71259
1128         * tree-vect-slp.c (vect_get_constant_vectors): For
1129         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1130         one for constant op, and use COND_EXPR for non-constant.
1132 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
1134         * Makefile.in (OBJS): Add function-tests.o,
1135         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
1136         selftest-run-tests.o.
1137         (OBJS-libcommon): Add selftest.o.
1138         (OBJS-libcommon-target): Add selftest.o.
1139         (all.internal): Add "selftest".
1140         (all.cross): Likewise.
1141         (selftest): New phony target.
1142         (s-selftest): New target.
1143         (selftest-gdb): New phony target.
1144         (COLLECT2_OBJS): Add selftest.o.
1145         * bitmap.c: Include "selftest.h".
1146         (selftest::test_gc_alloc): New function.
1147         (selftest::test_set_range): New function.
1148         (selftest::test_clear_bit_in_middle): New function.
1149         (selftest::test_copying): New function.
1150         (selftest::test_bitmap_single_bit_set_p): New function.
1151         (selftest::bitmap_c_tests): New function.
1152         * common.opt (fself-test): New.
1153         * diagnostic-show-locus.c: Include "selftest.h".
1154         (make_range): New function.
1155         (test_range_contains_point_for_single_point): New function.
1156         (test_range_contains_point_for_single_line): New function.
1157         (test_range_contains_point_for_multiple_lines): New function.
1158         (assert_eq): New function.
1159         (test_get_line_width_without_trailing_whitespace): New function.
1160         (selftest::diagnostic_show_locus_c_tests): New function.
1161         * et-forest.c: Include "selftest.h".
1162         (selftest::test_single_node): New function.
1163         (selftest::test_simple_tree): New function.
1164         (selftest::test_disconnected_nodes): New function.
1165         (selftest::et_forest_c_tests): New function.
1166         * fold-const.c: Include "selftest.h".
1167         (selftest::assert_binop_folds_to_const): New function.
1168         (selftest::assert_binop_folds_to_nonlvalue): New function.
1169         (selftest::test_arithmetic_folding): New function.
1170         (selftest::fold_const_c_tests): New function.
1171         * function-tests.c: New file.
1172         * gimple.c: Include "selftest.h".
1173         Include "gimple-pretty-print.h".
1174         (selftest::verify_gimple_pp): New function.
1175         (selftest::test_assign_single): New function.
1176         (selftest::test_assign_binop): New function.
1177         (selftest::test_nop_stmt): New function.
1178         (selftest::test_return_stmt): New function.
1179         (selftest::test_return_without_value): New function.
1180         (selftest::gimple_c_tests): New function.
1181         * hash-map-tests.c: New file.
1182         * hash-set-tests.c: New file.
1183         * input.c: Include "selftest.h".
1184         (selftest::assert_loceq): New function.
1185         (selftest::test_accessing_ordinary_linemaps): New function.
1186         (selftest::test_unknown_location): New function.
1187         (selftest::test_builtins): New function.
1188         (selftest::test_reading_source_line): New function.
1189         (selftest::input_c_tests): New function.
1190         * rtl-tests.c: New file.
1191         * selftest-run-tests.c: New file.
1192         * selftest.c: New file.
1193         * selftest.h: New file.
1194         * spellcheck.c: Include "selftest.h".
1195         (selftest::levenshtein_distance_unit_test_oneway): New function,
1196         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
1197         (selftest::levenshtein_distance_unit_test): Likewise.
1198         (selftest::spellcheck_c_tests): Likewise.
1199         * toplev.c: Include selftest.h.
1200         (toplev::run_self_tests): New.
1201         (toplev::main): Handle -fself-test.
1202         * toplev.h (toplev::run_self_tests): New.
1203         * tree.c: Include "selftest.h".
1204         (selftest::test_integer_constants): New function.
1205         (selftest::test_identifiers): New function.
1206         (selftest::test_labels): New function.
1207         (selftest::tree_c_tests): New function.
1208         * tree-cfg.c: Include "selftest.h".
1209         (selftest::push_fndecl): New function.
1210         (selftest::test_linear_chain): New function.
1211         (selftest::test_diamond): New function.
1212         (selftest::test_fully_connected): New function.
1213         (selftest::tree_cfg_c_tests): New function.
1214         * vec.c: Include "selftest.h".
1215         (selftest::safe_push_range): New function.
1216         (selftest::test_quick_push): New function.
1217         (selftest::test_safe_push): New function.
1218         (selftest::test_truncate): New function.
1219         (selftest::test_safe_grow_cleared): New function.
1220         (selftest::test_pop): New function.
1221         (selftest::test_safe_insert): New function.
1222         (selftest::test_ordered_remove): New function.
1223         (selftest::test_unordered_remove): New function.
1224         (selftest::test_block_remove): New function.
1225         (selftest::reverse_cmp): New function.
1226         (selftest::test_qsort): New function.
1227         (selftest::vec_c_tests): New function.c.
1228         * wide-int.cc: Include selftest.h and wide-int-print.h.
1229         (selftest::from_int <wide_int>): New function.
1230         (selftest::from_int <offset_int>): New function.
1231         (selftest::from_int <widest_int>): New function.
1232         (selftest::assert_deceq): New function.
1233         (selftest::assert_hexeq): New function.
1234         (selftest::test_printing <VALUE_TYPE>): New function template.
1235         (selftest::test_ops <VALUE_TYPE>): New function template.
1236         (selftest::test_comparisons <VALUE_TYPE>): New function template.
1237         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
1238         template.
1239         (selftest::wide_int_cc_tests): New function.
1241 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1243         PR middle-end/37780
1244         * ifcvt.c (noce_try_ifelse_collapse): New function.
1245         Declare prototype.
1246         (noce_process_if_block): Call noce_try_ifelse_collapse.
1247         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
1248         (simplify_ternary_operation): Use the above to simplify
1249         conditional CLZ/CTZ expressions.
1251 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1253         PR middle-end/37780
1254         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
1255         define_insn_and_split.
1257 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1259         PR middle-end/37780
1260         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
1262 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1264         PR c/24414
1265         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
1266         Implicitly clobber memory for basic asm with non-empty assembler
1267         string.  Use targetm.md_asm_adjust also here.
1268         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
1269         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
1270         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
1271         non-empty assembler string.
1272         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
1273         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
1274         (decode_asm_operands): Handle basic asm in PARALLEL block.
1275         (extract_insn): Handle basic asm in PARALLEL block.
1276         * doc/extend.texi: Mention new behavior of basic asm.
1277         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
1278         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
1279         branch_needs_nop_p): Use asm_noperands.
1281 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
1283         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1284         Include the M7 SPARC DFA scheduler.
1285         New attribute v3pipe.
1286         Annotate insns with v3pipe where appropriate.
1287         Define cpu_feature vis4.
1288         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1289         Add (V8QI "8") to vbits.
1290         Add insns {add,sub}v8qi3
1291         Add insns ss{add,sub}v8qi3
1292         Add insns us{add,sub}{v8qi,v4hi}3
1293         Add insns {min,max}{v8qi,v4hi,v2si}3
1294         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1295         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1296         * config/sparc/niagara4.md: Add a comment explaining the
1297         discrepancy between the documented latenty numbers and the
1298         implemented ones.
1299         * config/sparc/niagara7.md: New file.
1300         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1301         supports SPARC5 and VIS 4.0 instructions.
1302         * configure: Regenerate.
1303         * config.in: Likewise.
1304         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1305         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1306         TARGET_CPU_niagara7.
1307         (ASM_CPU64_DEFAULT_SPEC): Likewise.
1308         (CPP_CPU_SPEC): Handle niagara7.
1309         (ASM_CPU_SPEC): Likewise.
1310         * config/sparc/sparc-opts.h (processor_type): Add
1311         PROCESSOR_NIAGARA7.
1312         (mvis4): New option.
1313         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1314         (AS_NIAGARA7_FLAG): Define.
1315         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1316         (CPP_CPU64_DEFAULT_SPEC): Likewise.
1317         (CPP_CPU_SPEC): Handle niagara7.
1318         (ASM_CPU_SPEC): Likewise.
1319         * config/sparc/sparc.c (niagara7_costs): Define.
1320         (sparc_option_override): Handle niagara7 and adjust cache-related
1321         parameters with better values for niagara cpus.  Also support VIS4.
1322         (sparc32_initialize_trampoline): Likewise.
1323         (sparc_use_sched_lookahead): Likewise.
1324         (sparc_issue_rate): Likewise.
1325         (sparc_register_move_cost): Likewise.
1326         (dump_target_flag_bits): Support VIS4.
1327         (sparc_vis_init_builtins): Likewise.
1328         (sparc_builtins): Likewise.
1329         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1330         VIS4 4.0.
1331         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1332         UltraSparc M7.
1333         * config/sparc/sparc.opt (sparc_processor_type): New value
1334         niagara7.
1335         * config/sparc/visintrin.h (__attribute__): Prototypes for the
1336         VIS4 builtins.
1337         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1338         -mvis4.
1339         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1340         VIS4 builtins.
1342 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
1344         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
1346 2016-06-06  Richard Biener  <rguenther@suse.de>
1348         PR tree-optimization/71398
1349         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
1350         remove edges.
1352 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
1354         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
1355         ft32_expand_prolog, ft32_expand_epilogue):
1356         Handle pretend_args.
1357         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
1358         * config/ft32/ft32.md: Add pretend_returner.
1360 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
1362         PR target/71389
1363         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1364         Copy op1 RTX to avoid invalid sharing.
1365         (ix86_expand_vector_move_misalign): Ditto.
1367 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
1369         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
1370         ATTRIBUTE_UNUSED.
1372 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1374         * predict.c (predicted_by_loop_heuristics_p): New function.
1375         (predict_iv_comparison): Use it.
1376         (predict_loops): Walk from innermost loops; do not predict edges
1377         leaving multiple loops multiple times; implement
1378         PRED_LOOP_ITERATIONS_MAX heuristics.
1379         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
1381 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1383         * cfg.c (check_bb_profile): Do not report mismatched profiles when
1384         only edges out of BB are EH edges.
1386 2016-06-04  Martin Sebor  <msebor@redhat.com>
1387             Marcin Baczyński  <marbacz@gmail.com>
1389         PR c/48116
1390         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
1391         a void expression in a void function.
1393 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1395         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
1396         aux; dump reasons of decisions.
1397         (should_duplicate_loop_header_p): Likewise.
1398         (do_while_loop_p): Likewise.
1399         (ch_base::copy_headers): Dump asi num insns duplicated.
1401 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
1403         PR tree-optimization/71405
1404         * tree-ssa.c (execute_update_addresses_taken): For clobber with
1405         incompatible type, build a new clobber with the right type instead
1406         of building a VIEW_CONVERT_EXPR around it.
1408 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1410         PR tree-optimization/52171
1411         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
1412         by_pieces_ninsns instead of move_by_pieces_ninsns.
1414 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1416         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
1417         for reg+reg addressing mode.
1419 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1421         * rs6000-c.c (c/c-tree.h): Add #include.
1422         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
1423         in C++ when found in the base position of vec_ld or vec_st.
1425 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1427         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
1428         use of profile unless profile status is PROFILE_READ.
1429         * profile.c (compute_branch_probabilities): Set profile status
1430         only after reporting predictor hitrates.
1432 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
1434         PR target/71276
1435         PR target/71277
1436         * common.opt (ffp-int-builtin-inexact): New option.
1437         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
1438         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
1439         (ceil@var{m}2): Document dependence on this option.
1440         * ipa-inline-transform.c (inline_call): Handle
1441         flag_fp_int_builtin_inexact.
1442         * ipa-inline.c (can_inline_edge_p): Likewise.
1443         * config/i386/i386.md (rintxf2): Do not test
1444         flag_unsafe_math_optimizations.
1445         (rint<mode>2_frndint): New define_insn.
1446         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
1447         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
1448         for 387 instead of extending and truncating.
1449         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
1450         !flag_trapping_math instead of flag_unsafe_math_optimizations.
1451         Change to frndint<mode>2_<rounding>.
1452         (frndintxf2_<rounding>_i387): Likewise.  Change to
1453         frndint<mode>2_<rounding>_i387.
1454         (<rounding_insn>xf2): Likewise.
1455         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
1456         !flag_trapping_math instead of flag_unsafe_math_optimizations for
1457         x87.  Test TARGET_ROUND || !flag_trapping_math ||
1458         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
1459         SSE.  Use ROUND_NO_EXC in constant operand of
1460         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
1461         for 387 instead of extending and truncating.
1463 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1464             Julia Koval  <julia.koval@intel.com>
1466         PR target/66960
1467         PR target/67630
1468         PR target/67634
1469         PR target/67841
1470         PR target/68037
1471         PR target/68618
1472         PR target/68661
1473         PR target/69575
1474         PR target/69596
1475         PR target/69734
1476         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
1477         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
1478         all registers, except for function return registers if there are
1479         no caller-saved registers.
1480         (ix86_set_func_type): New function.
1481         (ix86_set_current_function): Call ix86_set_func_type to set
1482         no_caller_saved_registers and func_type.  Call reinit_regs if
1483         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
1484         nor x87 instructions in interrupt handler nor function with
1485         no_caller_saved_registers attribute.
1486         (ix86_function_ok_for_sibcall): Return false if there are no
1487         caller-saved registers.
1488         (type_natural_mode): Don't warn ABI change for MMX in interrupt
1489         handler.
1490         (ix86_function_arg_advance): Skip for callee in interrupt handler.
1491         (ix86_function_arg): Return special arguments in interrupt handler.
1492         (ix86_promote_function_mode): Promote pointer to word_mode only
1493         for normal functions.
1494         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
1495         interrupt handler.
1496         (ix86_epilogue_uses): New function.
1497         (ix86_hard_regno_scratch_ok): Likewise.
1498         (ix86_save_reg): Preserve all registers in interrupt handler
1499         after reload.  Preserve all registers, except for function return
1500         registers, if there are no caller-saved registers after reload.
1501         (find_drap_reg): Always use callee-saved register if there are
1502         no caller-saved registers.
1503         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
1504         for interrupt handler.
1505         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
1506         Emit cld instruction if stringops are used in interrupt handler
1507         or interrupt handler isn't a leaf function.
1508         (ix86_expand_epilogue): Generate interrupt return for interrupt
1509         handler and pop the 'ERROR_CODE' off the stack before interrupt
1510         return in exception handler.
1511         (ix86_expand_call): Disallow calling interrupt handler directly.
1512         If there are no caller-saved registers, mark all registers that
1513         are clobbered by the call which returns as clobbered.
1514         (ix86_handle_no_caller_saved_registers_attribute): New function.
1515         (ix86_handle_interrupt_attribute): Likewise.
1516         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
1517         attributes.
1518         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
1519         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
1520         accumulation in interrupt function if stack may be realigned to
1521         avoid DRAP.
1522         (EPILOGUE_USES): New.
1523         (function_type): New enum.
1524         (machine_function): Add func_type and no_caller_saved_registers.
1525         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
1526         (interrupt_return): New pattern.
1527         * doc/extend.texi: Document x86 interrupt and
1528         no_caller_saved_registers attributes.
1530 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
1532         PR tree-optimization/52171
1533         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
1534         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
1535         Look for constant strings.  Move some code to emit_block_cmp_hints
1536         and use it.
1537         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
1538         * defaults.h (COMPARE_MAX_PIECES): New macro.
1539         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
1540         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
1541         (clear_by_pieces_1): Don't declare.  Move definition before use.
1542         (can_do_by_pieces): New static function.
1543         (can_move_by_pieces): Use it.  Return bool.
1544         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
1545         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
1546         (class pieces_addr); New.
1547         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
1548         pieces_addr::adjust, pieces_addr::increment_address,
1549         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
1550         functions for it.
1551         (class op_by_pieces_d): New.
1552         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
1553         functions for it.
1554         (class move_by_pieces_d, class compare_by_pieces_d,
1555         class store_by_pieces_d): New subclasses of op_by_pieces_d.
1556         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
1557         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
1558         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
1559         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
1560         compare_by_pieces_d::finish_mode): New member functions.
1561         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
1562         functions.
1563         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
1564         (emit_block_cmp_hints): New function.
1565         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
1566         use the newly defined classes.
1567         * expr.h (by_pieces_constfn): New typedef.
1568         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
1569         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
1570         (move_by_pieces_ninsns): Don't declare.
1571         (can_move_by_pieces): Change return value to bool.
1572         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
1573         (compare_by_pieces_branch_ratio): New hook.
1574         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
1575         (by_pieces_ninsns): Declare.
1576         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
1577         COMPARE_BY_PIECES.
1578         (default_compare_by_pieces_branch_ratio): New function.
1579         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
1580         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
1581         * doc/tm.texi: Regenerate.
1582         * tree-ssa-strlen.c: Include "builtins.h".
1583         (handle_builtin_memcmp): New static function.
1584         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
1585         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
1587 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1589         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
1590         relevant stmts which are simple and invariant.
1591         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
1592         instead of simple and invariant
1594 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1596         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
1597         (vectorizable_reduction): Check for new relevant state.
1598         (vectorizable_live_operation): vectorize live stmts using
1599         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
1600         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
1601         (vect_stmt_relevant_p): Check for stmts which are only used live.
1602         (process_use): Use of a stmt does not inherit it's live value.
1603         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
1604         (vect_analyze_stmt): Check for new relevant state.
1605         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
1606         outside the loop, but not inside it.
1608 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1610         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
1611         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
1612         (vect_get_vec_def_for_operand): Split out code.
1614 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1616         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
1618 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1620         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
1622 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1624         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
1626 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
1628         PR middle-end/71387
1629         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
1630         to noreturn e->callee->decl that has void return type and void
1631         arguments, adjust gimple_call_fntype and remove lhs even if it had
1632         previously addressable type.
1634 2016-06-02  Jeff Law  <law@redhat.com>
1636         PR tree-optimization/71328
1637         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
1638         error when checking for a jump back onto the copied path.
1640 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
1642         * config/microblaze/microblaze.c (get_branch_target): Add return
1643         NULL_RTX for the non-CALL_P case.
1644         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
1645         (insert_wic): Remove unused local "j".
1647 2016-06-02  Martin Liska  <mliska@suse.cz>
1649         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
1651 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
1652             Julia Koval  <julia.koval@intel.com>
1654         * function.c (assign_parm_setup_stack): Force source into a
1655         register if needed.
1656         * target.def (function_incoming_arg): Update documentation to
1657         allow arbitrary address computation based on hard register.
1658         * doc/tm.texi: Regenerated.
1660 2016-06-02  Martin Liska  <mliska@suse.cz>
1662         * predict.c (combine_predictions_for_bb): Fix first match in
1663         cases where a first predictor contains more than one occurence
1664         in list of predictors.  Take the best value in such case.
1666 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1668         PR rtl-optimization/71295
1669         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
1670         offset would go over the size of the inner mode reject it.
1672 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
1674         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
1675         x=x,x and v=v,m instead of x=x,m.
1677         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
1678         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
1679         alternative to v=rm,C.
1681         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
1682         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
1683         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
1684         instead of vex for the last two above mentioned alternatives.
1686 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1688         PR target/70830
1689         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
1691 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
1693         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
1695 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
1697         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
1698         from int to unsigned.
1700 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
1702         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
1703         alternatives, eliminating preferred register class.  Add support
1704         for the MTVSRDD instruction in ISA 3.0.
1705         (vsx_splat_v4si_internal): Use splat_input_operand instead of
1706         reg_or_indexed_operand.
1707         (vsx_splat_v4sf_internal): Likewise.
1709 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
1711         PR target/71186
1712         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
1713         for loading up all 0's or all 1's.
1715 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1717         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
1719 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
1721         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
1722         extension.
1723         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
1724         * gcc.c (set_source_date_epoch_envvar): New function, sets
1725         the SOURCE_DATE_EPOCH environment variable to the current time.
1727 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1729         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
1730         the factor for live Phi nodes.
1732 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
1734         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
1735         * tree-parloops.c (parallelize_loops): likewise.
1736         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
1737         tree_unswitch_outer_loop): likewise.
1739 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
1741         PR middle-end/71371
1742         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
1743         around creation of the temporary.
1745 2016-06-01  Richard Biener  <rguenther@suse.de>
1747         PR tree-optimization/71366
1748         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
1749         (unloop_loops): Move removing edges here ...
1750         (try_unroll_loop_completely): ... from here.
1751         (try_peel_loop): ... and here.
1752         (tree_unroll_loops_completely_1): Track parent loops via
1753         bitmap of header BBs.
1754         (tree_unroll_loops_completely): Adjust for that.
1756 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1758         * config/rs6000/altivec.h (vec_slv): New macro.
1759         (vec_srv): New macro.
1760         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
1761         (UNSPEC_VSRV): New value.
1762         (vslv): New insn.
1763         (vsrv): New insn.
1764         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
1765         (vsrv): New builtin definition.
1766         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
1767         define argument types for new builtin.
1768         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
1769         new builtin.
1770         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
1771         functions.
1773 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
1774             Jocelyn Mayer  <l_indien@magic.fr>
1776         PR target/67310
1777         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
1778         detect processor family for signature_CENTAUR_ebx.
1779         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
1780         signature_CENTAUR_ebx.
1781         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
1782         <default>: Pass x86-64 for has_longmode.
1784 2016-06-01  Nathan Sidwell  <nathan@acm.org>
1786         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
1787         undefined weak.
1789 2016-06-01  Richard Biener  <rguenther@suse.de>
1791         PR tree-optimization/71261
1792         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
1793         of stmts successfully put in the bool pattern.  Remove
1794         single-use restriction.
1795         (adjust_bool_pattern_cast): Add cast at the use site via the
1796         pattern def sequence.
1797         (adjust_bool_pattern): Remove recursion, maintain a hash-map
1798         of patterned defs.  Use the pattern def seqence instead of
1799         multiple independent patterns.
1800         (sort_after_uid): New qsort compare function.
1801         (adjust_bool_stmts): New function to process stmts in the bool
1802         pattern in IL order.
1803         (vect_recog_bool_pattern): Adjust.
1804         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
1805         (ifcvt_walk_pattern_tree): Likewise.
1806         (stmt_is_root_of_bool_pattern): Likewise.
1807         (ifcvt_repair_bool_pattern): Likewise.
1808         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
1810 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
1812         * loop-unroll.c (decide_unroll_constant_iterations,
1813         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
1814         likely upper bounds.
1815         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
1817 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
1819         * tree-core.h (enum omp_clause_code): Remove
1820         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
1822 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1824         * config/arm/sync.md (arm_store_exclusive<mode>):
1825         Use 'H' output modifier on operands[2] rather than creating a new
1826         entry in out-of-bounds memory of the operands array.
1827         (arm_store_release_exclusivedi): Likewise.
1829 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1831         * config/arm/arm.c (arm_fusion_enabled_p): New function.
1832         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
1833         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
1834         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
1836 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1838         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
1839         into account live statements for mask producers.
1841 2016-06-01  Richard Biener  <rguenther@suse.de>
1843         PR tree-optimization/71311
1844         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
1845         restrict to non-INTEGER_CST @0.
1847 2016-06-01  Richard Biener  <rguenther@suse.de>
1849         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
1850         (relational patterns): Use :c to avoid pattern duplications.
1852 2016-06-01  Richard Biener  <rguenther@suse.de>
1854         * genmatch.c (comparison_code_p): New predicate.
1855         (swap_tree_comparison): New function.
1856         (commutate): Add for_vec parameter to append new for entries.
1857         Support commutating relational operators by swapping it alongside
1858         operands.
1859         (lower_commutative): Adjust.
1860         (dt_simplify::gen): Do not pass artificial operators to gen
1861         functions.
1862         (decision_tree::gen): Do not add artificial operators as parameters.
1863         (parser::parse_expr): Verify operator commutativity when :c is
1864         applied.  Allow :C to override this.
1865         * match.pd: Adjust patterns to use :C instead of :c where required.
1867 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
1869         PR tree-optimization/71077
1870         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
1871         the combining step, use boolean_false_node and boolean_true_node
1872         as the designated false/true return values.
1874 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
1876         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
1877         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
1878         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
1879         PRED_LOOP_EXIT.
1881 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
1883         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
1884         of flags impliying the register renaming.
1885         * toplev.c (process_options): Do not imply flag_rename_registers with
1886         loop peeling.
1888 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
1890         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
1891         default implementation.
1893 2016-05-31  Nathan Sidwell  <nathan@acm.org>
1895         * dwarf2out.c (cur_line_info_table): Add GTY marker.
1897 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
1899         * config/sh/constraints.md (b): Remove constraint.
1900         * config/sh/predicates.md (arith_reg_operand): Remove
1901         TARGET_REGISTER_P.
1902         * config/sh/sh-modes.def (PDI): Remove.
1903         * config/sh/sh.c (sh_target_reg_class,
1904         sh_optimize_target_register_callee_saved): Remove functions.
1905         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
1906         (sh_expand_epilogue): Update comment.
1907         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
1908         sh_secondary_reload): Remove TARGET_REGS related code.
1909         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
1910         TARGET_REGISTER_P): Remove macros.
1911         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
1912         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
1913         TR1_REG, TR2_REG): Remove constants.
1914         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
1916 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
1918         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
1919         define_expand patterns.
1920         (adddi3_compact): Rename to adddi3.
1921         (subdi3_compact): Rename to subdi3.
1922         (*negdi2): Rename to negdi2.
1923         (*abs<mode>2): Rename to abs<mode>2.
1925 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
1927         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
1928         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
1929         (atomic_sub_fetchsi): ... this new pattern.
1930         (mvtc): Add CC_REG clobber.
1932 2016-05-31  Marek Polacek  <polacek@redhat.com>
1934         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
1936 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1938         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
1939         aarch64_fusion_enabled_p to check for fusion capabilities.
1941 2016-05-31  Richard Biener  <rguenther@suse.de>
1943         PR tree-optimization/71352
1944         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
1945         minus one and a negate.
1947 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1949         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
1950         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
1951         Delete prototype.
1952         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
1953         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
1954         Remove use of aarch64_simd_attr_length_move, set length attribute
1955         directly.
1956         (*aarch64_be_movoi): Likewise.
1957         (*aarch64_be_movci): Likewise.
1958         (*aarch64_be_movxi): Likewise.
1960 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
1962         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
1963         It no longer does that.
1964         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
1966 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
1968         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
1969         attribute __unused__.
1971 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1973         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
1974         * config/arm/arm.c (arm_arch_thumb1): Define.
1975         (arm_option_override): Initialize arm_arch_thumb1.
1976         * config/arm/arm.h (arm_arch_thumb1): Declare.
1977         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
1978         support Thumb-1 ISA.
1980 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
1982         PR target/71346
1983         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
1984         `Yv' for scalar operand.
1986 2016-05-31  Tom de Vries  <tom@codesourcery.com>
1988         PR tree-optimization/69068
1989         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
1990         phis with more than two args.
1992 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
1994         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
1995         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
1996         target.
1998 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2000         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2001         tune_64.
2002         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2003         support on SPARC.
2004         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2005         cpu_32, cpu_64, tune_32 and tune_64.
2006         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2008 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2010         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2012 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2014         * auto-profile.c (read_profile): Replace asserts with errors
2015         when file does not exist.
2016         * gcov-io.c (gcov_read_words): Dito.
2018 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2020         * tree-cfg.c (print_loop): Print likely upper bounds.
2022 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2024         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2025         * opts.c (default_options): Enable peel loops at -O3.
2026         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2027         (try_peel_loop): Do not re-peel already peeled loops;
2028         use likely upper bounds; fix profile updating.
2029         (pass_complete_unroll::execute): Initialize peeled_loops.
2031 2016-05-30  Martin Liska  <mliska@suse.cz>
2033         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2034         computed costs by frequency of BB they belong to.
2035         (get_scaled_computation_cost_at): New function.
2037 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2038             Marc Glisse  <marc.glisse@inria.fr>
2040         PR tree-optimization/71289
2041         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2043 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2045         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2047 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2049         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2050         for peeled copies; avoid underflow when updating estimates; correctly
2051         scale loop profile.
2053 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2055         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2056         r236875. Corrected oe3 to oe2 as obvious.
2058 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2060         PR middle-end/71269
2061         PR middle-end/71252
2062         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2063         that inserted stmt will not dominate stmts that defines its operand.
2064         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
2065         (rewrite_expr_tree_parallel): Likewise.
2067 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2069         PR middle-end/71252
2070         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
2071         all fields including stmt_to_insert are swapped.
2073 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2075         * predict.h (force_edge_cold): Declare.
2076         * predict.c (force_edge_cold): New function.
2077         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
2078         updating.
2079         (canonicalize_loop_induction_variables): Fix formating.
2081 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2083         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
2084         (visium_expand_copysign): Use gen_int_mode directly.
2085         (visium_compute_frame_size): Minor tweaks.
2087 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2089         * tree-vect-loop.c (vect_analyze_loop_2): Use
2090         likely_max_stmt_executions_int.
2092 2016-05-30  Tom de Vries  <tom@codesourcery.com>
2094         PR tree-optimization/69067
2095         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
2097 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
2099         PR target/71245
2100         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2101         New peepholes to remove unneeded fild/fistp pairs.
2102         (define_peephole2 atomic_loaddi_fpu): Ditto.
2104 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2106         * predict.c (maybe_hot_frequency_p): Avoid division.
2108 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
2110         * doc/install.texi: Use https for shop.fsf.org.
2112 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2114         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
2115         likely_max_stmt_executions_int.
2117 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2119         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
2120         likely_max_stmt_executions_int.
2122 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2124         * profile.c (compute_branch_probabilities): Do not report hitrates
2125         here.
2126         (branch_prob): Report hitrates here.
2127         * predict.c (gimple_predict_edge): Do not assert profile status;
2128         fix formatting issues.
2130 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2132         * predict.c (edge_predicted_by_p): New function.
2133         (predict_paths_for_bb): Do not put multiple predictions of the same type
2134         on one edge.
2136 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2138         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
2139         commit.
2141 2016-05-28  Alan Modra  <amodra@gmail.com>
2143         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
2145 2016-05-28  Alan Modra  <amodra@gmail.com>
2147         PR rtl-optimization/71275
2148         * ira.c (ira): Free dominance info.
2150 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
2152         * doc/sourcebuild.texi: New address for upstream Go repository.
2154 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2156         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
2157         (TARGET_ARM_V7M): Likewise.
2159 2016-05-26  Jeff Law  <law@redhat.com>
2161         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
2162         (thread_across_edge): Remove calls to find_jump_threads_backwards.
2163         * passes.def: Add jump threading passes before DOM/VRP.
2164         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
2165         argument to a basic block from an edge.  Remove tests which are
2166         handled elsewhere.
2167         (pass_data_thread_jumps, class pass_thread_jumps): New.
2168         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
2169         (make_pass_thread_jumps): Likewise.
2170         * tree-pass.h (make_pass_thread_jumps): Declare.
2172 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2174         * config/visium/visium-protos.h (split_double_move): Rename into...
2175         (visium_split_double_move): ...this.
2176         (visium_split_double_add): Declare.
2177         * config/visium/visium.c (split_double_move): Rename into...
2178         (visium_split_double_move): ...this.
2179         (visium_split_double_add): New function.
2180         (visium_expand_copysign): Renumber operands for consistency.
2181         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
2182         (DFmode move splitter): Likewise.
2183         (*addi3_insn): Split by means of visium_split_double_add.
2184         (*adddi3_insn_flags): Delete.
2185         (*plus_plus_sltu<subst_arith>): New insn.
2186         (*subdi3_insn): Split by means of visium_split_double_add.
2187         (subdi3_insn_flags): Delete.
2188         (*minus_minus_sltu<subst_arith>): New insn.
2189         (*negdi2_insn): Split by means of visium_split_double_add.
2190         (*negdi2_insn_flags): Delete.
2192 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
2194         * configure.ac: Treat a --with-headers option without argument
2195         the same as the default (i.e. consult sys-include directory).
2196         * configure: Regenerate.
2198 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2200         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
2201         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
2202         prototype.
2203         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
2204         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2206 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2208         PR target/63596
2209         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
2210         tree-stdarg analysis results.
2211         (aarch64_setup_incoming_varargs): Likewise.
2213 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2215         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
2216         va_list_gpr_counter_field and va_list_fpr_counter_field.
2218 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
2220         PR67609
2221         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
2222         * config/aarch64/aarch64.c
2223         (aarch64_cannot_change_mode_class): Remove function.
2224         * config/aarch64/aarch64-protos.h
2225         (aarch64_cannot_change_mode_class): Remove.
2227 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2229         * cfgloop.c (record_niter_bound): Record likely upper bounds.
2230         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
2231         get_likely_max_loop_iterations_int): New.
2232         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
2233         any_likely_upper_bound.
2234         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
2235         Declare.
2236         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
2237         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
2238         upper bound.
2239         (unroll_loop_constant_iterations): Likewise.
2240         (unroll_loop_runtime_iterations): Likewise.
2241         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
2242         * lto-streamer-out.c (output_cfg): Likewise.
2243         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
2244         bounds.
2245         (canonicalize_loop_induction_variables): Dump likely upper bounds.
2246         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
2247         (likely_max_loop_iterations): New.
2248         (likely_max_loop_iterations_int): New.
2249         (likely_max_stmt_executions): New.
2250         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
2251         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
2252         likely_max_stmt_executions): Declare.
2254 2016-05-27  Marek Polacek  <polacek@redhat.com>
2256         PR middle-end/71308
2257         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
2259 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2261         * config/s390/s390.md (2x risbg splitters): Use
2262         reg_overlap_mentioned_p instead of rtx_equal_p.
2264 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2266         * combine.c (make_compound_operation): Take known zero bits into
2267         account when checking for possible zero_extend.
2269 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2271         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
2272         Use const_int_operand for operand 2 predicate.  Simplify expand code
2273         as a result.
2275 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
2277         PR middle-end/71279
2278         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
2279         into comparison.
2281 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2283         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
2284         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
2285         that returns CC_SESWPmode and CC_ZESWPmode.
2286         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
2287         and CC_SESWPmode.
2288         (aarch64_rtx_costs): Likewise.
2290 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2292         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2293         for ISA 3.0 min/max support.
2294         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2295         conditional move support.
2296         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2297         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2298         available.
2299         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2300         conditional moves where the comparison type is different from move
2301         type.
2302         (fp_minmax): New code iterator for smin/smax.
2303         (minmax): New code attributes for min/max.
2304         (SMINMAX): Likewise.
2305         (smax<mode>3): Combine min, max insns into one insn using the
2306         fp_minmax code iterator.  Add support for ISA 3.0 min/max
2307         instructions that don't need -ffast-math.
2308         (s<minmax><mode>3): Likewise.
2309         (smax<mode>3_vsx): Likewise.
2310         (smin<mode>3): Likewise.
2311         (s<minmax><mode>3_vsx): Likewise.
2312         (smin<mode>3_vsx): Likewise.
2313         (pre-VSX min/max splitters): Likewise.
2314         (s<minmax><mode>3_fpr): Likewise.
2315         (movsfcc): Rewrite floating point conditional moves to combine
2316         SFmode/DFmode into a single insn.
2317         (mov<mode>cc): Likewise.
2318         (movdfcc): Likewise.
2319         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2320         SFDF2 iterators to handle all combinations.
2321         (fseldfsf4): Likewise.
2322         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2323         (fseldfdf4): Likewise.
2324         (fselsfdf4): Likewise.
2325         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2326         comparison instructions that set a 0/-1 mask, and use it for
2327         floating point conditional move via XXSEL.
2328         (fpmask<mode>): Likewise.
2329         (xxsel<mode>): Likewise.
2330         * config/rs6000/predicates.md (min_max_operator): Delete, no
2331         longer used.
2332         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2333         instructions that generate a 0/-1 mask for use with XXSEL.
2334         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2335         say whether floating point min/max is available, either through
2336         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2337         (TARGET_MINMAX_DF): Likewise.
2339 2016-05-27  Alan Modra  <amodra@gmail.com>
2341         PR rtl-optimization/71275
2342         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
2343         for update_equiv_regs and combine_and_move_insns.
2345 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
2347         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
2348         if_then_else or cond RTXes to calculate attribute value.
2349         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
2350         <attr "length_immediate>: Ditto.
2351         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
2352         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
2353         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
2354         <attr "type">: Ditto.
2355         <attr "prefix_data16">: Ditto.
2356         <attr "prefix_extra">: Ditto.
2357         <attr "length_immediate">: Ditto.
2358         <attr "prefix">: Ditto.
2359         (vec_set<mode>_0) <attr "isa">: Ditto.
2360         <attr "prefix_extra">: Ditto.
2361         <attr "length_immediate">: Ditto.
2362         <attr "prefix">: Ditto.
2363         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
2364         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
2365         (sse2_storelpd) <attr "prefix_data16">: Ditto.
2366         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
2367         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
2368         <attr "length_immediate">: Ditto.
2369         <attr "prefix">: Ditto.
2370         (sse2_movsd) <attr "length_immediate">: Ditto.
2371         <attr "prefix">: Ditto.
2372         (vec_concatv2df)  <attr "isa">: Ditto.
2373         <attr "prefix">: Ditto.
2374         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
2375         (*vec_extractv2di_1) <attr "isa">: Ditto.
2376         <attr "type">: Ditto.
2377         <attr "length_immediate">: Ditto.
2378         <attr "prefix_rex">: Ditto.
2379         <attr "prefix_extra">: Ditto.
2380         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
2381         <attr "prefix_extra">: Ditto.
2382         <attr "length_immediate">: Ditto.
2383         (vec_concatv2di) <attr "isa">: Ditto.
2384         <attr "prefix_extra">: Ditto.
2385         <attr "length_immediate">: Ditto.
2386         <attr "prefix">: Ditto.
2388 2016-05-26  Martin Liska  <mliska@suse.cz>
2390         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
2391         function.
2392         (operator+): Likewise.
2393         (operator-): Likewise.
2394         (comp_cost::operator+=): Likewise.
2395         (comp_cost::operator-=): Likewise.
2396         (comp_cost::operator/=): Likewise.
2397         (comp_cost::operator*=): Likewise.
2398         (operator<): Likewise.
2399         (operator==): Likewise.
2400         (operator<=): Likewise.
2401         (new_cost): Remove.
2402         (infinite_cost_p): Likewise.
2403         (add_costs): Likewise.
2404         (sub_costs): Likewise.
2405         (compare_costs): Likewise.
2406         (set_group_iv_cost): Use the newly introduced functions.
2407         (get_address_cost): Likewise.
2408         (get_shiftadd_cost): Likewise.
2409         (force_expr_to_var_cost): Likewise.
2410         (split_address_cost): Likewise.
2411         (ptr_difference_cost): Likewise.
2412         (difference_cost): Likewise.
2413         (get_computation_cost_at): Likewise.
2414         (determine_group_iv_cost_generic): Likewise.
2415         (determine_group_iv_cost_address): Likewise.
2416         (determine_group_iv_cost_cond): Likewise.
2417         (autoinc_possible_for_pair): Likewise.
2418         (determine_group_iv_costs): Likewise.
2419         (cheaper_cost_pair): Likewise.
2420         (iv_ca_recount_cost): Likewise.
2421         (iv_ca_set_no_cp): Likewise.
2422         (iv_ca_set_cp): Likewise.
2423         (iv_ca_cost): Likewise.
2424         (iv_ca_new): Likewise.
2425         (iv_ca_dump): Likewise.
2426         (iv_ca_narrow): Likewise.
2427         (iv_ca_prune): Likewise.
2428         (iv_ca_replace): Likewise.
2429         (try_add_cand_for): Likewise.
2430         (try_improve_iv_set): Likewise.
2431         (find_optimal_iv_set): Likewise.
2433 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
2435         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
2436         that internal functions will clobber all caller-saved registers.
2438 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2440         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
2441         Return a better case_values_threshold when optimizing.
2443 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2445         * config/aarch64/aarch64-simd.md (aarch64_combinez):
2446         Add ? to integer variant.
2447         (aarch64_combinez_be): Likewise.
2449 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
2451         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
2452         instead of x constraint.
2453         (vcvtps2ph256<mask_name>): Likewise.
2455         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
2456         alternative.  Formatting fix.
2458         * config/i386/sse.md
2459         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
2460         to ...
2461         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
2462         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
2463         maybe_evex prefix instead of vex.
2464         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
2465         EXT_REX_SSE_REG_P (op0) case in the splitter.
2467 2016-05-25  Jeff Law  <law@redhat.com>
2469         PR tree-optimization/71272
2470         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
2471         Update comments.  Add test for empty path.
2473 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
2475         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
2476         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
2477         special case builtin.
2478         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2479         code for ALTIVEC_BUILTIN_VEC_CMPNE.
2480         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2481         for __builtin_vec_cmpne.
2483 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2485         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
2486         redundant test and bail out if the type of the new operand is not
2487         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
2489 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2491         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
2492         (x_ix86_target_flags_explicit): Remove.
2493         * config/i386/i386.c (ix86_function_specific_save): Do not copy
2494         x_ix86_target_flags_explicit.
2495         (ix86_function_specific_restore): Ditto.
2497 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2498             H.J. Lu  <hongjiu.lu@intel.com>
2500         PR target/70738
2501         * common/config/i386/i386-common.c
2502         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
2503         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
2504         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
2505         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
2506         (-mgeneral-regs-only): Add new option.
2507         * config/i386/i386.c (ix86_option_override_internal): Don't enable
2508         x87 instructions if only general registers are allowed.
2509         (ix86_target_string): Add ix86_flags argument. Handle additional
2510         flags options through ix86_flags argument.  Update all callers.
2511         * doc/invoke.texi: Document -mgeneral-regs-only.
2513 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2515         PR rtl-optimization/66940
2516         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
2517         decrementing desired_val will not overflow before performing these
2518         operations.
2520 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
2522         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
2523         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
2524         * config/i386/i386.c (enum ix86_builtins): Add
2525         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
2526         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
2527         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
2528         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
2529         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
2530         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
2531         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
2532         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
2533         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
2534         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
2535         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
2536         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
2537         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
2538         __builtin_ia32_cvtps2dq512_mask.
2539         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
2540         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
2541         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
2542         * config/i386/sse.md
2543         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
2544         Rename to ...
2545         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
2546         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
2547         to ...
2548         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
2549         (avx512f_vec_pack_sfix_v8df): New define_expand.
2550         (avx512f_roundpd512): Rename to ...
2551         (avx512f_round<castmode>512): ... this.  Change iterator.
2552         (avx512f_roundps512_sfix): New define_expand.
2553         (round<mode>2_sfix): Change iterator.
2555 2016-05-25  Nick Clifton  <nickc@redhat.com>
2557         * config/msp430/msp430.c (msp430_attr): Produce an error if a
2558         static interrupt handler is detected.
2559         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
2560         default linker script.
2561         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
2562         the low part of a symbolic pointer.
2564 2016-05-25  Richard Biener  <rguenther@suse.de>
2566         PR tree-optimization/71261
2567         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
2568         interesting stmt instead of immediate uses when looking
2569         for the use operand to replace.
2571 2016-05-25  Martin Liska  <mliska@suse.cz>
2573         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
2575 2016-05-25  Richard Biener  <rguenther@suse.de>
2577         PR tree-optimization/71264
2578         * tree-vect-stmts.c (vect_init_vector): Properly deal with
2579         vector type val.
2581 2016-05-25  Martin Liska  <mliska@suse.cz>
2583         PR tree-optimization/71239
2584         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
2585         if DECL_SIZE is NULL.
2587 2016-05-25  Richard Biener  <rguenther@suse.de>
2589         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
2590         * tree-if-conv.c (pass_data_if_conversion): Use it.
2592 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2594         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
2595         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
2596         * varpool.c (varpool_node::get_availability): Likewise.
2598 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2600         * config/rs6000/altivec.md (VNEG iterator): New iterator for
2601         VNEGW/VNEGD instructions.
2602         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
2603         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
2604         support for ISA 3.0 VNEGW/VNEGD instructions.
2606 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
2608         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
2609         pointers inside OACC_DATA regions.
2610         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
2611         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
2612         (gimplify_adjust_omp_clauses): Fix typo in comment.
2614 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2616         * config/rs6000/altivec.md (VParity): New mode iterator for vector
2617         parity built-in functions.
2618         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
2619         zeros.
2620         (p9v_parity<mode>2): Likewise.
2621         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
2622         parity.
2623         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
2624         (parity<mode>2): ISA 3.0 expander for vector parity.
2625         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
2626         power9 built-ins.
2627         (BU_P9_64BIT_MISC_0): Likewise.
2628         (BU_P9_MISC_0): Likewise.
2629         (BU_P9V_AV_1): Likewise.
2630         (BU_P9V_AV_2): Likewise.
2631         (BU_P9V_AV_3): Likewise.
2632         (BU_P9V_AV_P): Likewise.
2633         (BU_P9V_VSX_1): Likewise.
2634         (BU_P9V_OVERLOAD_1): Likewise.
2635         (BU_P9V_OVERLOAD_2): Likewise.
2636         (BU_P9V_OVERLOAD_3): Likewise.
2637         (VCTZB): Add vector count trailing zeros support.
2638         (VCTZH): Likewise.
2639         (VCTZW): Likewise.
2640         (VCTZD): Likewise.
2641         (VPRTYBD): Add vector parity support.
2642         (VPRTYBQ): Likewise.
2643         (VPRTYBW): Likewise.
2644         (VCTZ): Add overloaded vector count trailing zeros support.
2645         (VPRTYB): Add overloaded vector parity support.
2646         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2647         overloaded vector count trailing zeros and parity instructions.
2648         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
2649         vector parity support.
2650         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
2651         trailing zeros support.
2652         (vec_cntlz): Likewise.
2653         (vec_vctzb): Likewise.
2654         (vec_vctzd): Likewise.
2655         (vec_vctzh): Likewise.
2656         (vec_vctzw): Likewise.
2657         (vec_vprtyb): Add ISA 3.0 vector parity support.
2658         (vec_vprtybd): Likewise.
2659         (vec_vprtybw): Likewise.
2660         (vec_vprtybq): Likewise.
2661         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2662         the ISA 3.0 vector count trailing zeros and vector parity built-in
2663         functions.
2665 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
2667         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
2668         when there is stmt_to_insert.
2670 2016-05-24  Martin Sebor  <msebor@redhat.com>
2672         PR c++/71147
2673         * tree.h (complete_or_array_type_p): New inline function.
2675 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
2677         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
2678         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
2679         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
2681         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
2682         Limit 1st alternative to noavx isa, split 2nd alternative into one
2683         noavx and one avx alternative, use *x and Bm in the former and
2684         x and m in the latter.
2686         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
2687         of sse4 for the first alternative, drop %v from the template
2688         and d operand modifier.  Split second alternative into one sse4_noavx
2689         and one avx alternative, use *x instead of *v in the former and v
2690         instead of *v in the latter.
2691         (*sse4_1_extractps): Use noavx isa instead of * for the first
2692         alternative, drop %v from the template.  Split second alternative into
2693         one noavx and one avx alternative, use *x instead of *v in the
2694         former and v instead of *v in the latter.
2695         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
2696         with noavx and the last one with avx.
2697         (sse4_1_phminposuw): Guard first alternative with noavx isa,
2698         split the second one into one noavx and one avx alternative,
2699         use *x and Bm in the former and x and m in the latter one.
2700         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
2701         alternatives.
2703         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
2704         first two alternatives to noavx, use *x instead of *v in the second
2705         one, add avx alternative without *.
2706         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
2707         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
2708         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
2710 2016-05-24  Jeff Law  <law@redhat.com>
2712         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
2713         New function, extracted from...
2714         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
2715         Allow simple copies and constant initializations in the SSA chain.
2717 2016-05-24  Marek Polacek  <polacek@redhat.com>
2719         PR c/71249
2720         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
2721         scope.
2723 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
2725         PR c++/71257
2726         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
2727         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
2728         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
2729         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
2730         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
2732 2016-05-24  Richard Biener  <rguenther@suse.de>
2734         PR tree-optimization/71240
2735         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
2736         has integral type.
2738 2016-05-24  Richard Biener  <rguenther@suse.de>
2740         PR tree-optimization/71230
2741         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
2743 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
2745         * tree-vectorizer.h (vectorizable_comparison): Delete.
2746         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
2747         PURE_SLP_STMT check.
2748         * tree-vect-stmts.c (vectorizable_call): Likewise.
2749         (vectorizable_simd_clone_call): Likewise.
2750         (vectorizable_conversion): Likewise.
2751         (vectorizable_assignment): Likewise.
2752         (vectorizable_shift): Likewise.
2753         (vectorizable_operation): Likewise.
2754         (vectorizable_load): Likewise.
2755         (vectorizable_condition): Likewise.
2756         (vectorizable_store): Likewise.  Assert that we don't have
2757         hybrid SLP.
2758         (vectorizable_comparison): Make static.  Remove redundant
2759         PURE_SLP_STMT check.
2760         (vect_transform_stmt): Assert that we always have an slp_node
2761         if PURE_SLP_STMT.
2763 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2765         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
2766         operands[2] against 1 with comparison against CONST1_RTX.
2767         (<shift>di3_neon): Likewise.
2768         * config/arm/predicates.md (const0_operand): Replace with comparison
2769         against CONST0_RTX.
2771 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2773         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
2774         operands[2] against 1 with comparison against CONST1_RTX.
2775         (ashrdi3): Likewise.
2776         (lshrdi3): Likewise.
2777         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
2778         UINTVAL.
2779         (ashrsi3): Likewise.
2780         (lshrsi3): Likewise.
2781         (rotrsi3): Likewise.
2782         (define_split above *compareqi_eq0): Likewise.
2783         (define_split above "prologue"): Likewise.
2784         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
2785         * config/arm/predicates.md (shift_operator): Likewise.
2786         (shift_nomul_operator): Likewise.
2787         (sat_shift_operator): Likewise.
2788         (thumb1_cmp_operand): Likewise.
2789         (const_neon_scalar_shift_amount_operand): Replace manual range
2790         check with IN_RANGE.
2791         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
2792         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
2794 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2796         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
2797         with HOST_WIDE_INT_1.
2798         (insv): Likewise.
2799         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
2800         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
2801         (arm_canonicalize_comparison): Likewise.
2802         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
2803         HOST_WIDE_INT_1.
2804         (thumb1_size_rtx_costs): Likewise.
2805         (vfp_const_double_index): Replace cast of 1 to unsigned
2806         HOST_WIDE_INT with HOST_WIDE_INT_1U.
2807         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
2808         HOST_WIDE_INT_1.
2809         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
2810         HOST_WIDE_INT with HOST_WIDE_INT_1U.
2811         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
2812         HOST_WIDE_INT with HOST_WIDE_INT_1.
2814 2016-05-24  Marek Polacek  <polacek@redhat.com>
2816         * tree-cfg.h (should_remove_lhs_p): New predicate.
2817         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
2818         * gimplify.c (gimplify_modify_expr): Likewise.
2819         * tree-cfg.c (verify_gimple_call): Likewise.
2820         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
2821         * gimple-fold.c: Include "tree-cfg.h".
2822         (gimple_fold_call): Use should_remove_lhs_p.
2824 2016-05-24  Richard Biener  <rguenther@suse.de>
2826         PR tree-optimization/71253
2827         * cfganal.h (control_dependences): Make robust against edge
2828         and BB removal.
2829         (control_dependences::control_dependences): Remove edge_list argument.
2830         (control_dependences::get_edge): Remove.
2831         (control_dependences::get_edge_src): Add.
2832         (control_dependences::get_edge_dest): Likewise.
2833         (control_dependences::m_el): Make a vector of edge src/dest index.
2834         * cfganal.c (control_dependences::find_control_dependence): Adjust.
2835         (control_dependences::control_dependences): Likewise.
2836         (control_dependences::~control_dependence): Likewise.
2837         (control_dependences::get_edge): Remove.
2838         (control_dependences::get_edge_src): Add.
2839         (control_dependences::get_edge_dest): Likewise.
2840         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
2841         get_edge_src.
2842         (perform_tree_ssa_dce): Adjust.
2843         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
2844         get_edge_src.
2845         (pass_loop_distribution::execute): Adjust.  Do loop destroying
2846         conditional on changed.
2848 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2850         PR target/69857
2851         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
2852         return.  Reindent transformation comment and mention the ARM state
2853         behavior.
2855 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
2857         PR middle-end/71252
2858         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
2859         after build_and_add_sum creates new use stmt.
2861 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
2863         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
2864         load_lanes/grouped_load classification comes first.  Don't check
2865         whether the vectorization factor is a multiple of the group size
2866         for load_lanes.
2868 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
2870         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
2871         GROUP_GAP for single-element interleaving.
2872         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
2873         variable.
2875 2016-05-24  Richard Biener  <rguenther@suse.de>
2877         PR middle-end/70434
2878         PR c/69504
2879         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
2880         bases which are accessed with non-invariant indices.
2881         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
2882         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
2884 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
2886         PR middle-end/71170
2887         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
2888         (add_to_ops_vec): Add stmt_to_insert.
2889         (add_repeat_to_ops_vec): Init stmt_to_insert.
2890         (insert_stmt_before_use): New.
2891         (transform_add_to_multiply): Remove mult_stmt insertion and add it
2892         to ops vector.
2893         (get_ops): Init stmt_to_insert.
2894         (maybe_optimize_range_tests): Likewise.
2895         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
2896         (rewrite_expr_tree_parallel): Likewise.
2897         (reassociate_bb): Likewise.
2899 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2901         PR target/71201
2902         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
2903         ISA 3.0 xxperm fusion alternative.
2904         (altivec_vperm_v8hiv16qi): Likewise.
2905         (altivec_vperm_<mode>_uns_internal): Likewise.
2906         (vperm_v8hiv4si): Likewise.
2907         (vperm_v16qiv8hi): Likewise.
2909 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2910             Kelvin Nilsen  <kelvin@gcc.gnu.org>
2912         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
2913         vpermr/xxpermr on ISA 3.0.
2914         (altivec_expand_vec_perm_le): Likewise.
2915         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
2916         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
2917         ISA 3.0.
2919 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
2921         * config/i386/i386.h (IS_STACK_MODE): Enable for
2922         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
2923         SSE_FLOAT_MODE_P macros.
2924         * config/i386/i386.c (ix86_preferred_reload_class): Use
2925         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
2926         Cleanup regclass processing for CONST_DOUBLE_P.
2927         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
2928         (ix86_rtx_costs): Remove redundant TARGET_80387 check
2929         with IS_STACK_MODE macro.
2930         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
2931         with TARGET_SSE2.
2932         (*movdf_internal): Use IS_STACK_MODE macro.
2933         (*movsf_internal): Ditto.
2935 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
2937         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
2938         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
2940 2016-05-23  Jeff Law  <law@redhat.com>
2942         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
2943         extracted from ...
2944         (fsm_find_control_statement_thread_paths): Call it.
2946 2016-05-23  Martin Jambor  <mjambor@suse.cz>
2948         PR ipa/71234
2949         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
2950         from_global_constant if t is not NULL.
2952 2016-05-23  Marek Polacek  <polacek@redhat.com>
2954         PR c/49859
2955         * common.opt (Wswitch-unreachable): New option.
2956         * doc/invoke.texi: Document -Wswitch-unreachable.
2957         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
2958         warning.
2960 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
2962         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
2963         TMR_INDEX is non-NULL.
2965 2016-05-23  Richard Biener  <rguenther@suse.de>
2967         PR tree-optimization/71230
2968         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
2969         (try_special_add_to_ops): ... here.  Always test for single-use.
2971 2016-05-23  Martin Jambor  <mjambor@suse.cz>
2973         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
2974         default block if a PHI node in the original one would be resized.
2976 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2978         PR tree-optimization/58135
2979         * tree-vect-slp.c: When group size is not multiple
2980         of vector size, allow splitting of store group at
2981         vector boundary.
2983 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
2985         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
2987 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
2989         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
2990         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
2991         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
2992         of 64x2.
2994         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
2995         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
2996         v constraint instead of x and vinserti32x4 insn.
2998         * config/i386/sse.md (i128vldq): New mode iterator.
2999         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3000         avx512dq and avx512vl alternatives.
3002         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3003         constraint, use maybe_evex prefix instead of vex.
3004         (vec_dupv4sf): Use v constraint instead of x for output
3005         operand except for noavx alternative, use Yv constraint
3006         instead of x for input.  Use maybe_evex prefix instead of vex.
3007         (*vec_dupv4si): Likewise.
3008         (*vec_dupv2di): Likewise.
3010 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3012         PR middle-end/40921
3013         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3014         (linearize_expr_tree): Call try_special_add_to_ops.
3015         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3017 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3019         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3020         to computed stack_usage.
3022 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3024         PR target/71103
3025         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3026         operand is subreg (symbol_ref) then move the symbol ref to register.
3028 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3030         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3032 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3034         PR middle-end/71179
3035         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3036         VECTOR type.
3038 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3040         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3041         ranges by calling get_single_symbol and tidy up.  Look more closely
3042         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3044 2016-05-20  Jeff Law  <law@redhat.com>
3046         * bitmap.c (bitmap_find_bit): Remove useless test.
3048 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3050         * function.c (thread_prologue_and_epilogue_insns): Commit the
3051         insertion of the epilogue.
3053 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3055         PR tree-optimization/70884
3056         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3057         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3058         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3059         of constant pool data as a reason for scalarization.
3061 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3063         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3064         for naked functions.
3065         (thumb1_expand_prologue): Likewise.
3067 2016-05-20  Nathan Sidwell  <nathan@acm.org>
3069         * config/nvptx/nptx.c (nvptx_option_override): Only set
3070         flag_toplevel_reorder, if not explicitly specified.  Set
3071         flag_no_common, unless explicitly specified.
3073 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3075         * calls.c (can_implement_as_sibling_call_p): Mark param
3076         reg_parm_stack_space with ATTRIBUTE_UNUSED.
3078 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
3080         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
3081         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
3082         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
3083         constants.
3084         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
3085         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
3086         and CASE_CONST_ANY.
3088 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
3090         * config/nvptx/nvptx.md (sincossf3): New pattern.
3092 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3094         * calls.c (maybe_complain_about_tail_call): New function.
3095         (initialize_argument_information): Call
3096         maybe_complain_about_tail_call when clearing *may_tailcall.
3097         (can_implement_as_sibling_call_p): Call
3098         maybe_complain_about_tail_call when returning false.
3099         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
3100         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
3101         if tail-call optimization fails.
3102         * cfgexpand.c (expand_call_stmt): Initialize
3103         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
3104         * gimple-pretty-print.c (dump_gimple_call): Dump
3105         gimple_call_must_tail_p.
3106         * gimple.c (gimple_build_call_from_tree): Call
3107         gimple_call_set_must_tail with the value of
3108         CALL_EXPR_MUST_TAIL_CALL.
3109         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
3110         (gimple_call_set_must_tail): New function.
3111         (gimple_call_must_tail_p): New function.
3112         * print-tree.c (print_node): Update printing of TREE_STATIC
3113         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
3114         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
3115         trailing comment listing applicable flags.
3116         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
3118 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3120         * calls.c (expand_call): Move "Rest of purposes for tail call
3121         optimizations to fail" to...
3122         (can_implement_as_sibling_call_p): ...this new function, and
3123         split into multiple "if" statements.
3125 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3127         * cfgloop.h (expected_loop_iterations_unbounded,
3128         expected_loop_iterations): Unconstify.
3129         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
3130         profile with known upper bound; return 3 when profile is absent.
3131         (expected_loop_iterations): Update.
3133 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3135         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
3136         and get_max_loop_iterations_int.
3138 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3140         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
3141         realistic upper bounds here.
3143 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
3145         PR c++/71210
3146         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3147         calls if the LHS is variable length or has addressable type.
3148         If targets[0]->decl is a noreturn call with void return type and
3149         zero arguments, adjust fntype and remove lhs in that case.
3151 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
3153         PR tree-optimization/71079
3154         PR tree-optimization/71206
3155         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
3157 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3159         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
3160         (get_vec_alignment_for_array_decl): Likewise.
3161         (get_vec_alignment_for_record_decl): Likewise.
3162         (increase_alignment::execute): Move code to find alignment to
3163         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
3164         (type_align_map): New hash_map.
3166 2016-05-20  Richard Guenther  <rguenther@suse.de>
3168         PR tree-optimization/29756
3169         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
3170         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
3171         * fold-const.c (operand_equal_p): Likewise.
3172         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
3173         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
3174         * tree-inline.c (estimate_operator_cost): Likewise.
3175         * tree-pretty-print.c (dump_generic_node): Likewise.
3176         * tree-ssa-operands.c (get_expr_operands): Likewise.
3177         * cfgexpand.c (expand_debug_expr): Likewise.
3178         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
3179         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
3180         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
3181         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
3182         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
3183         (execute_update_addresses_taken): Do it.
3185 2016-05-20  Richard Biener  <rguenther@suse.de>
3187         PR tree-optimization/71185
3188         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
3189         register operations.
3191 2016-05-20  Richard Biener  <rguenther@suse.de>
3193         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
3194         gimple_seq_add_seq_without_update.
3195         (release_bb_predicate): Assert we have no operands to free.
3196         (if_convertible_loop_p_1): Calculate post dominators later.
3197         Do not free BB predicates here.
3198         (combine_blocks): Do not recompute BB predicates.
3199         (version_loop_for_if_conversion): Save BB predicates around
3200         loop versioning.
3202 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3204         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
3205         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
3206         code.  Ignore sibcalls on EDGE_IGNORE edges.
3207         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
3208         on edges for sibcalls that run without prologue.  The rest of the
3209         function is combined from...
3210         (fix_fake_fallthrough_edge): ... this, and ...
3211         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
3212         function argument, make it a local variable.
3214 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
3216         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
3217         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
3218         for 32-bit mode and SEH for 64-bit.
3219         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
3220         TARGET_64BIT_DEFAULT.
3222 2016-05-19  Ryan Burn  <contact@rnburn.com>
3224         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
3225         * gengtype.c (open_base_files): Add cilk.h to ifiles.
3227 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
3229         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3230         force pending loads from memory.
3232 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3234         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3235         (UNSPEC_DARN_32): New unspec constant.
3236         (UNSPEC_DARN_RAW): New unspec constant.
3237         (darn_32): New instruction.
3238         (darn_raw): New instruction.
3239         (darn): New instruction.
3240         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3241         support and documentation for this macro.
3242         (BU_P9_MISC_1): New macro definition.
3243         (BU_P9_64BIT_MISC_0): New macro definition.
3244         (BU_P9_MISC_0): New macro definition.
3245         (darn_32): New builtin definition.
3246         (darn_raw): New builtin definition.
3247         (darn): New builtin definition.
3248         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3249         RS6000_BUILTIN_0 directives to surround each occurrence of
3250         #include "rs6000-builtin.def".
3251         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3252         RS6000_BTM_64BIT flags to the returned mask, depending on
3253         configuration.
3254         (def_builtin): Correct an error in the assignments made to the
3255         debugging variable attr_string.
3256         (rs6000_expand_builtin): Add support for no-operand built-in
3257         functions.
3258         (builtin_function_type): Remove fatal_error assertion that is no
3259         longer valid.
3260         (rs6000_common_init_builtins): Add support for no-operand built-in
3261         functions.
3262         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3263         definition.
3264         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3265         definition.
3266         (RS6000_BTM_64BIT): New macro definition.
3267         * doc/extend.texi: Document __builtin_darn (void),
3268         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3269         functions.
3271 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
3273         * tree-vect-loop.c (vect_analyze_loop_2): Use also
3274         max_loop_iterations_int.
3276 2016-05-19  Marek Polacek  <polacek@redhat.com>
3278         PR tree-optimization/71031
3279         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3280         condition and adjust the code a bit.
3282 2016-05-19  Martin Liska  <mliska@suse.cz>
3284         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
3285         auto_vec instead of vec.
3287 2016-05-19  Martin Liska  <mliska@suse.cz>
3289         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
3291 2016-05-19  Martin Liska  <mliska@suse.cz>
3293         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
3295 2016-05-19  Martin Liska  <mliska@suse.cz>
3297         * ipa-pure-const.c (set_function_state): Remove an existing
3298         funct_state.
3299         (remove_node_data): Do not free it as it's released
3300         in set_function_state.
3302 2016-05-19  Martin Liska  <mliska@suse.cz>
3304         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
3305         bitmap.
3307 2016-05-19  Martin Liska  <mliska@suse.cz>
3309         * omp-simd-clone.c (simd_clone_adjust): Release vector.
3311 2016-05-19  Martin Liska  <mliska@suse.cz>
3313         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
3314         an auto_vec instead of re-creating it.
3316 2016-05-19  Martin Liska  <mliska@suse.cz>
3318         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
3319         auto_vec instead of vec.
3321 2016-05-19  Martin Liska  <mliska@suse.cz>
3323         * lto-section-in.c (lto_get_section_data): Call
3324         lto_check_version with additional argument.
3325         * lto-streamer.c (lto_check_version): Add new argument.
3326         * lto-streamer.h (lto_check_version): Likewise.
3328 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3330         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
3331         Don't add cost of inner memory when handling sign-extended loads.
3333 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
3335         PR rtl-optimization/71148
3336         * cse.c (cse_main): Free dominance info.
3337         (rest_of_handle_cse): Don't free dominance info.
3338         (rest_of_handle_cse2): Likewise.
3339         (rest_of_handle_cse_after_global_opts): Likewise.
3341 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3343         PR target/71056
3344         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3345         NULL_TREE early if NEON is not available.  Remove now redundant check
3346         in ARM_CHECK_BUILTIN_MODE.
3348 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
3350         PR sanitizer/64354
3351         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
3352         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
3353         * doc/cpp.texi: Document new macros.
3355 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
3357         PR tree-optimization/69848
3358         * tree-vect-loop.c (vectorizable_reduction): Don't factor
3359         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
3361 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3363         * function.c (thread_prologue_and_epilogue_insn): Move the
3364         "goto epilogue_done" one block later.
3366 2016-05-19  Richard Biener  <rguenther@suse.de>
3368         PR tree-optimization/70729
3369         * passes.def: Move LIM pass before PRE.  Remove no longer
3370         required copyprop and move first DCE out of the loop pipeline.
3372 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
3374         PR driver/69265
3375         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
3376         (OBJS-libcommon-target): ...here.
3377         * opts-common.c: Include spellcheck.h.
3378         (cmdline_handle_error): Build a vec of valid options and use it
3379         to suggest provide hints for misspelled arguments.
3381 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3383         PR c++/71100
3384         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3385         lhs if it has TREE_ADDRESSABLE type.
3387 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
3389         PR target/71145
3390         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3391         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3393 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3395         PR ipa/69708
3396         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
3397         input for NOP_EXPR pass-through functions.
3398         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
3399         aggregate global constant VAR_DECLs in constant jump functions.
3401 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3403         PR ipa/69708
3404         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
3405         from TREE_READONLY parameters.
3407 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3409         PR ipa/69708
3410         * cgraph.h (cgraph_indirect_call_info): New field
3411         guaranteed_unmodified.
3412         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
3413         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3414         appropriate.
3415         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
3416         pass the parameter value to ipa_find_agg_cst_for_param.
3417         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
3418         guaranteed_unmodified, store AA results there instead of bailing out
3419         if present.
3420         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
3421         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
3422         (find_constructor_constant_at_offset): New function.
3423         (ipa_find_agg_cst_from_init): Likewise.
3424         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
3425         static initializers of contants, report back through a new paameter
3426         from_global_constant if that was the case.
3427         (try_make_edge_direct_simple_call): Also pass parameter value to
3428         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3429         appropriate.
3430         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
3431         (ipa_read_indirect_edge_info): Likewise.
3432         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
3433         (ipa_load_from_parm_agg): Likewise.
3435 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
3437         PR rtl-optimization/71150
3438         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
3439         check.
3441 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
3443         PR target/70915
3444         * config/rs6000/constraints.md (wE constraint): New constraint
3445         for a vector constant that can be loaded with XXSPLTIB.
3446         (wM constraint): New constraint for a vector constant of a 1's.
3447         (wS constraint): New constraint for a vector constant that can be
3448         loaded with XXSPLTIB and a vector sign extend instruction.
3449         * config/rs6000/predicates.md (xxspltib_constant_split): New
3450         predicates for wE/wS constraints.
3451         (xxspltib_constant_nosplit): Likewise.
3452         (easy_vector_constant): Add support for constants that can be
3453         loaded via XXSPLTIB.
3454         (all_ones_constant): New predicate for vector constant with all
3455         1's set.
3456         (splat_input_operand): Add support for ISA 3.0 word splat operations.
3457         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
3458         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
3459         instruction and possibly with a sign extension.
3460         (output_vec_const_move): Add support for XXSPLTIB. If we are
3461         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
3462         instead of XXLXOR/XXLORC.
3463         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
3464         operations.
3465         (rs6000_legitimize_reload_address): Likewise.
3466         (rs6000_output_move_128bit): Use output_vec_const_move to emit
3467         constants.
3468         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
3469         combine VSX_M and VSX_M2 into one iterator.
3470         (VSX_M2): Likewise.
3471         (VSINT_84): New iterators for loading constants with XXSPLTIB.
3472         (VSINT_842): Likewise.
3473         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
3474         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
3475         XXSPLTIB instruction.
3476         (xxspltib_<mode>_nosplit): Likewise.
3477         (xxspltib_<mode>_split): New insn to load up constants with
3478         XXSPLTIB and a sign extend instruction.
3479         (vsx_mov<mode>): Replace single move that handled all vector types
3480         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
3481         moves (when -mvsx-timode is in effect) into the main vector
3482         moves.  Eliminate separate moves for <VSr> <VSa>, where the
3483         preferred register class (<VSr>) is listed first, and the
3484         secondary register class (<VSa>) is listed second with a '?' to
3485         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
3486         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
3487         that if the register was involved in a slow operation, the
3488         clear/set operation does not wait for the slow operation to
3489         finish.  Adjust the length attributes for 32-bit mode.  Use
3490         rs6000_output_move_128bit and drop the use of the string
3491         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
3492         spacing so that the alternatives and attributes don't generate
3493         long lines, and put things in columns, so that it is easier to
3494         match up the operands and attributes with the insn alternatives.
3495         (vsx_mov<mode>_64bit): Likewise.
3496         (vsx_mov<mode>_32bit): Likewise.
3497         (vsx_movti_64bit): Fold movti into normal vector moves.
3498         (vsx_movti_32bit): Likewise.
3499         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
3500         splat instructions.
3501         (vsx_splat_v4si_internal): Likewise.
3502         (vsx_splat_v4sf_internal): Likewise.
3503         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
3504         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
3505         extend vector elements.
3506         (vsx_sign_extend_hi_<mode>): Likewise.
3507         (vsx_sign_extend_si_v2di): Likewise.
3508         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
3509         declaration.
3510         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
3511         constraints.  Add trailing period to wL documentation.
3513 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
3515         PR middle-end/71020
3516         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
3517         * tree-dfa.c (replace_abnormal_ssa_names): New function.
3518         * tree-call-cdce.c: Include tree-dfa.h.
3519         (can_guard_call_p): New function, extracted from...
3520         (can_use_internal_fn): ...here.
3521         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
3522         and return void.
3523         (shrink_wrap_one_built_in_call): Likewise.
3524         (use_internal_fn): Likewise.
3525         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
3526         and return void.  Call replace_abnormal_ssa_names.
3527         (pass_call_cdce::execute): Check can_guard_call_p during the
3528         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
3529         will always change something.
3531 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3533         PR ipa/70646
3534         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
3535         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
3537 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3539         PR ipa/70646
3540         * ipa-inline.h (condition): New field size.
3541         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
3542         for comaprison and store it into the new condition.
3543         (evaluate_conditions_for_known_args): Use condition size to check
3544         access sizes for all but CHANGED conditions.
3545         (unmodified_parm_1): New parameter size_p, store access size into it.
3546         (unmodified_parm): Likewise.
3547         (unmodified_parm_or_parm_agg_item): Likewise.
3548         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
3549         (set_cond_stmt_execution_predicate): Extract access sizes and store
3550         them to conditions.
3551         (set_switch_stmt_execution_predicate): Likewise.
3552         (will_be_nonconstant_expr_predicate): Likewise.
3553         (will_be_nonconstant_predicate): Likewise.
3554         (inline_read_section): Stream condition size.
3555         (inline_write_summary): Likewise.
3557 2016-05-18  Richard Biener  <rguenther@suse.de>
3559         * tree-ssa-loop-im.c (determine_max_movement): Properly add
3560         condition cost to PHI cost instead of total_cost.
3562 2016-05-18  Martin Liska  <mliska@suse.cz>
3564         PR fortran/70856
3565         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
3566         merged variables.
3568 2016-05-18  Richard Biener  <rguenther@suse.de>
3570         * lto-streamer.h (LTO_major_version): Bump to 6.
3572 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
3574         * function.c (make_split_prologue_seq, make_prologue_seq,
3575         make_epilogue_seq): New functions, factored out from...
3576         (thread_prologue_and_epilogue_insns): Here.
3578 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
3580         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
3581         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
3582         of before.  Add a comment.
3584 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
3586         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
3587         expression pointer, not pointer to the pointer.
3589 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3591         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
3592         (avx2_pbroadcast<mode>): Add another alternative with v instead
3593         of x constraints in it, using <pbroadcast_evex_isa> isa.
3594         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
3596         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
3597         constraint x instead of v in second alternative, add avx512bw
3598         alternative.
3600         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
3601         constraint x instead of v in second alternative, add avx512bw
3602         alternative.
3604         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
3605         constraint x instead of v in second alternative, add avx512bw
3606         alternative.
3608         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
3609         avx512bw alternative.
3611 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3613         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
3614         array to 128 chars.
3615         (define_insn "*andnottf3"): Ditto.
3616         (define_insn "*<code><mode>3"/any_logic): Ditto.
3617         (define_insn "*<code>tf3"/any_logic): Ditto.
3618         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
3619         operand to block AVX-512VL insn variant emit when it is not enabled.
3621 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3623         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
3624         constraint fot SF mode.
3626 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
3627             Kirill Yukhin  <kirill.yukhin@intel.com>
3629         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
3630         modifiers.
3631         (define_insn "rsqrt14<mode>"): Ditto.
3632         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
3633         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
3634         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
3635         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
3636         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
3637         Ditto.
3638         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
3639         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
3640         * config/i386/i386.c (ix86_print_operand): Expand check for size
3641         override codes for Intel syntax.
3643 2016-05-18  Richard Biener  <rguenther@suse.de>
3645         PR tree-optimization/71168
3646         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
3647         initialization earlier.
3649 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
3651         * config/aarch64/aarch64-simd.md
3652         (aarch64_reduc_plus_internal<mode>): Rename to...
3653         (reduc_plus_scal): ...This, and remove previous implementation.
3655 2016-05-18  Richard Biener  <rguenther@suse.de>
3657         * passes.def: Put late dse and cd_dce in canonical order.
3659 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
3661         * ipa-inline-transform.c (preserve_function_body_p): Look for
3662         first non-thunk clone.
3663         (save_function_body): Save into first non-thunk.
3664         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
3665         up call stmt id.
3666         (lto_output_node): Inline thunks don't need body in every
3667         partition.
3668         * lto-streamer-in.c: Do not fixup thunk clones.
3669         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
3670         thunks.
3671         * tree-inline.c (copy_bb): Be prepared for target node to be new after
3672         folding suceeds.
3674 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
3676         PR middle-end/63586
3677         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
3678         (reassociate_bb): Call transform_add_to_multiply.
3680 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
3682         * config/aarch64/aarch64.c (all_extensions): Removed unused
3683         static variable.
3685 2016-05-17  Nathan Sidwell  <nathan@acm.org>
3687         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
3688         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
3690 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
3692         PR tree-optimization/54579
3693         PR middle-end/55299
3694         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
3696 2016-05-17  Marek Polacek  <polacek@redhat.com>
3698         PR ipa/71146
3699         * tree-inline.c (expand_call_inline): Call
3700         maybe_remove_unused_call_args.
3702 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
3704         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
3705         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
3706         * doc/md.texi (fmin@var{m}3): Likewise.
3708 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
3710         * match.pd (X & C): New transformation.
3712 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
3714         * match.pd (~X & Y): New transformation.
3716 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
3718         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
3719         information for new SSA_NAME.
3720         (simplify_conversion_using_ranges): Get range through get_range_info
3721         instead of get_value_range.
3723 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
3725         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
3726         Remove inline assembly.
3727         (vmvn_s16): Likewise.
3728         (vmvn_s32): Likewise.
3729         (vmvn_u8): Likewise.
3730         (vmvn_u16): Likewise.
3731         (vmvn_u32): Likewise.
3732         (vmvnq_s8): Likewise.
3733         (vmvnq_s16): Likewise.
3734         (vmvnq_s32): Likewise.
3735         (vmvnq_u8): Likewise.
3736         (vmvnq_u16): Likewise.
3737         (vmvnq_u32): Likewise.
3738         (vmvn_p8): Likewise.
3739         (vmvnq_p16): Likewise.
3741 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
3743         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
3744         Use builtin.
3745         (vmul_n_s16): Likewise.
3746         (vmul_n_s32): Likewise.
3747         (vmul_n_u16): Likewise.
3748         (vmul_n_u32): Likewise.
3749         (vmulq_n_f32): Likewise.
3750         (vmulq_n_f64): Likewise.
3751         (vmulq_n_s16): Likewise.
3752         (vmulq_n_s32): Likewise.
3753         (vmulq_n_u16): Likewise.
3754         (vmulq_n_u32): Likewise.
3756 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
3758         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
3759         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
3761 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
3763         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
3764         to *aarch64_fma4_elt_from_dup<mode>.
3765         (*aarch64_fnma4_elt_to_128df): Rename to
3766         *aarch64_fnma4_elt_from_dup<mode>.
3767         * config/aarch64/arm_neon.h (vfma_n_f64): New.
3768         (vfms_n_f32): Likewise.
3769         (vfms_n_f64): Likewise.
3770         (vfmsq_n_f32): Likewise.
3771         (vfmsq_n_f64): Likewise.
3773 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
3775         * wide-int.h: Change fixed_wide_int_storage from class to struct.
3777 2016-05-17  Richard Biener  <rguenther@suse.de>
3779         PR tree-optimization/71132
3780         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
3781         Only add control dependences for blocks in the loop.
3782         (build_rdg): Adjust.
3783         (generate_code_for_partition): Return whether loop should
3784         be destroyed and delay that.
3785         (distribute_loop): Likewise.
3786         (pass_loop_distribution::execute): Record loops to be destroyed
3787         and perform delayed destroying of loops.
3789 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3791         PR target/70809
3792         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
3794 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
3796         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
3798 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
3800         PR target/71114
3801         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
3802         insertion point for instructions generated by validize_mem.
3804 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
3806         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
3807         in brackets.
3809 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
3811         * config/aarch64/aarch64.c
3812         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
3813         rather than a macro.
3815 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
3817         * doc/invoke.texi (AArch64 Options): Various updates.
3819 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
3821         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
3822         into instrumentation thunks.
3823         * cif-code.def (CIF_CHKP): New.
3825 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
3827         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
3829 2016-05-16  Martin Jambor  <mjambor@suse.cz>
3831         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
3832         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
3834 2016-05-16  Marek Polacek  <polacek@redhat.com>
3836         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
3837         commentary.
3839 2016-05-16  Martin Jambor  <mjambor@suse.cz>
3841         PR hsa/70857
3842         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
3843         the outlined kernel function.
3845 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
3847         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
3848         (ISA_HAS_DLSA): Ditto.
3850 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
3852         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
3854 2016-05-16  Nathan Sidwell  <nathan@acm.org>
3856         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
3857         (nvptx_name_replacement): Restore.  Add comment.
3858         (write_fn_proto, write_fn_proto_from_insn,
3859         nvptx_output_call_insn): Restore
3860         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
3862 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
3864         * config/aarch64/aarch64.md
3865         (add<mode>3_compareC_cconly_imm): Remove use of %w.
3866         (add<mode>3_compareC_imm): Likewise.
3867         (<optab>si3_uxtw): Split into register and immediate variants.
3868         (andsi3_compare0_uxtw): Likewise.
3869         (and<mode>3_compare0): Likewise.
3870         (and<mode>3nr_compare0): Likewise.
3871         (stack_protect_test_<mode>): Don't use %x for memory operands.
3873 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
3875         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
3877 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
3879         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
3880         Split integer shifts into shift_reg and bfm.
3881         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
3882         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
3883         (ror<mode>3_insn): Likewise.
3884         (<optab>si3_insn_uxtw): Likewise.
3885         (<optab><mode>3_insn): Change to rotate_imm.
3886         (extr<mode>5_insn_alt): Likewise.
3887         (extrsi5_insn_uxtw): Likewise.
3888         (extrsi5_insn_uxtw_alt): Likewise.
3890 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
3892         * doc/tm.texi: Regenerate.
3893         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
3894         (TARGET_INVALID_RETURN_TYPE): Remove.
3895         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
3896         TARGET_INVALID_RETURN_TYPE.
3897         * target.def (invalid_parameter_type): Remove.
3898         (invalid_return_type): Remove.
3900 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
3902         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
3903         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
3904         calls from thunk.
3905         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
3906         gimple body.
3907         (preserve_function_body_p): No need to preserve function body
3908         * cif-codes.def (CIF_THUNK): Remove.
3909         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
3911 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
3913         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
3915 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
3917         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
3918         for thunks.
3920 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
3922         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
3923         (inline_small_functions): Do not look for function symbol when
3924         resetting caches.
3926 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
3928         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
3929         of inline thunks
3931 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
3932             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3933             Jiong Wang  <jiong.wang@arm.com>
3935         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
3936         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
3937         Define __ARM_FP16_ARGS when appropriate.
3938         * config/arm/arm.c (arm_invalid_parameter_type): Remove
3939         declaration.
3940         (arm_invalid_return_type): Likewise.
3941         (TARGET_INVALID_PARAMETER_TYPE): Remove.
3942         (TARGET_INVALID_RETURN_TYPE): Remove.
3943         (aapcs_vfp_sub_candidate): Allow HFmode.
3944         (aapcs_vfp_allocate): Add comment.  Support HFmode.
3945         (aapcs_vfp_allocate_return_reg): Likewise.
3946         (struct aapcs_cp_arg_layout): Slightly reword comments for
3947         is_return_candidate and allocate_return_reg.
3948         (output_mov_vfp): Update assert.
3949         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
3950         condition.
3951         (arm_invalid_parameter_type): Remove.
3952         (amr_invalid_return_type): Remove.
3953         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
3954         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
3955         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
3957 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
3959         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
3960         * config/aarch64/arch64-protos.h
3961         (aarch64_legitimize_reload_address): Remove.
3962         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
3963         Remove.
3965 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
3967         * configure.ac: Add ACX_NONCANONICAL_HOST.
3968         * configure: Regenerate.
3969         * Makefile.in: Set host_noncanonical.
3971 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
3973         PR target/71097
3974         * config/i386/i386.md (*movtf_internal): Before register allocation,
3975         do not allow FP constants for CM_MEDIUM memory model, allow only
3976         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
3977         (*movxf_internal): Ditto.
3978         (*movdf_internal): Ditto.
3979         (*movsf_internal): Ditto.
3981 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
3983         PR rtl-optimization/67483
3984         * combine.c (make_compound_operation): Don't call extract_left_shift
3985         with negative shift amounts.
3987 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
3989         PR bootstrap/71071
3990         * fold-const.c (fold_checksum_tree): Allow modification
3991         of TYPE_ALIAS_SET during folding.
3993         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
3994         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
3995         (ix86_split_to_parts): Likewise.  Fix up formatting.
3997 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
3999         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4000         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4001         printf format.
4003 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4005         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4006         (nvptx_name_replacement): Delete.
4007         (write_fn_proto, write_fn_proto_from_insn,
4008         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4009         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4010         * langhooks.c (add_builtin_funcction_common): Call
4011         targetm.mangle_decl_assembler_name.
4013         * config/nvptx/nvptx.c (write_fn_proto): Handle
4014         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4016 2016-05-13  Martin Liska  <mliska@suse.cz>
4018         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4019         and PRIu64 in printf format.
4021 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4023         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4024         comment.
4026 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4028         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4029         Change --param max-completely-peeled-times to
4030         --param max-completely-peel-times in dump file printing.
4032 2016-05-13  Richard Biener  <rguenther@suse.de>
4034         PR tree-optimization/42587
4035         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4036         (find_bswap_or_nop_1): Likewise.
4037         (bswap_replace): Likewise.
4039 2016-05-13  Martin Liska  <mliska@suse.cz>
4041         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4042         Initialize a variable with default value.
4044 2016-05-13  Martin Liska  <mliska@suse.cz>
4046         * doc/invoke.texi: Enhance explanation of error recovery
4047         of sanitizers.
4049 2016-05-13  Martin Liska  <mliska@suse.cz>
4051         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4052         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4053         (iv_inv_expr_ent *).
4054         (struct iv_inv_expr_ent): Comment struct fields.
4055         (sort_iv_inv_expr_ent): New function.
4056         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4057         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4058         a hash_map between iv_inv_expr_ent and number of usages.
4059         (niter_for_exit): Fix coding style.
4060         (tree_ssa_iv_optimize_init): Use renamed variable.
4061         (determine_base_object): Fix coding style.
4062         (alloc_iv): Likewise.
4063         (find_interesting_uses_outside): Likewise.
4064         (add_candidate_1): Likewise.
4065         (add_standard_iv_candidates): Likewise.
4066         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
4067         (prepare_decl_rtl): Fix coding style.
4068         (get_address_cost): Likewise.
4069         (get_shiftadd_cost): Likewise.
4070         (force_expr_to_var_cost): Likewise.
4071         (compare_aff_trees): Likewise.
4072         (get_expr_id): Restructure the function.
4073         (get_loop_invariant_expr_id): Renamed to
4074         get_loop_invariant_expr.
4075         (get_computation_cost_at): Replace usage of inv_expr_id with
4076         inv_expr.
4077         (get_computation_cost): Likewise.
4078         (determine_group_iv_cost_generic): Likewise.
4079         (determine_group_iv_cost_address): Likewise.
4080         (iv_period): Fix coding style.
4081         (iv_elimination_compare_lt): Likewise.
4082         (may_eliminate_iv): Likewise.
4083         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
4084         inv_expr.
4085         (determine_group_iv_costs): Dump invariant expressions.
4086         (iv_ca_recount_cost): Use the newly added hash_map.
4087         (iv_ca_set_remove_invariants): Fix coding style.
4088         (iv_ca_set_add_invariants): Fix coding style.
4089         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
4090         invariants.
4091         (iv_ca_set_cp): Likewise.
4092         (iv_ca_new): Initialize the newly added hash_map and remove
4093         initialization of fields.
4094         (iv_ca_free): Delete the hash_map.
4095         (iv_ca_dump): Dump invariant expressions.
4096         (iv_ca_extend): Fix coding style.
4097         (try_add_cand_for): Likewise.
4098         (create_new_ivs): Dump information about # of avg iterations and
4099         # of used invariant expressions.
4100         (rewrite_use_compare): Fix coding style.
4101         (free_loop_data): Set default value for max_inv_expr_id.
4103 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
4105         * cse.c (rest_of_handle_cse): Use cleanup_cfg
4106         returned value cse_cfg_altered computation.
4107         (rest_of_handle_cse2): Likewise.
4108         (rest_of_handle_cse_after_global_opts): Likewise.
4110 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4112         PR target/53440
4113         * config/arm/arm.c (arm32_output_mi_thunk): New.
4114         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
4115         to split Thumb1 vs TARGET_32BIT functionality.
4116         (arm_thumb1_mi_thunk): New.
4118 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4120         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
4121         to true.
4123 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4125         PR target/71080
4126         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
4128 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
4130         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
4131         (expand_builtin_trap): Emit a regular call.
4132         (set_builtin_user_assembler_name): Remove obsolete cases.
4133         * dse.c (scan_insn): Adjust.
4134         * except.c: Include calls.h.
4135         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
4136         emit a regular call to setjmp.
4137         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
4138         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
4139         (emit_block_move_via_libcall): Delete.
4140         (block_move_fn): Delete.
4141         (init_block_move_fn): Likewise.
4142         (emit_block_move_libcall_fn): Likewise.
4143         (emit_block_op_via_libcall): New function.
4144         (set_storage_via_libcall): Tidy up and use memset builtin.
4145         (block_clear_fn): Delete.
4146         (init_block_clear_fn): Likewise.
4147         (clear_storage_libcall_fn): Likewise.
4148         (expand_assignment): Call emit_block_move_via_libcall.
4149         Do not include gt-expr.h.
4150         * expr.h (emit_block_op_via_libcall): Declare.
4151         (emit_block_copy_via_libcall): New inline function.
4152         (emit_block_move_via_libcall): Likewise.
4153         (emit_block_comp_via_libcall): Likewise.
4154         (block_clear_fn): Delete.
4155         (init_block_move_fn): Likewise.
4156         (init_block_clear_fn): Likewise.
4157         (emit_block_move_via_libcall): Likewise.
4158         (set_storage_via_libcall): Add default parameter value.
4159         * libfuncs.h (enum libfunc_index): Remove obsolete values.
4160         (abort_libfunc): Delete.
4161         (memcpy_libfunc): Likewise.
4162         (memmove_libfunc): Likewise.
4163         (memcmp_libfunc): Likewise.
4164         (memset_libfunc): Likewise.
4165         (setbits_libfunc): Likewise.
4166         (setjmp_libfunc): Likewise.
4167         (longjmp_libfunc): Likewise.
4168         (profile_function_entry_libfunc): Likewise.
4169         (profile_function_exit_libfunc): Likewise.
4170         (gcov_flush_libfunc): Likewise.
4171         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
4172         and DECL_VISIBILITY on the declaration.
4173         (init_optabs): Do not initialize obsolete libfuncs.
4174         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
4175         * tree-core.h (ECF_RET1): Define.
4176         (ECF_TM_PURE): Adjust.
4177         (ECF_TM_BUILTIN): Likewise.
4178         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
4179         (build_common_builtin_nodes): Initialize abort builtin.
4180         Add ECF_RET1 on memcpy, memmove and memset builtins.
4181         Pass final flags for alloca and alloca_with_align builtins.
4182         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
4183         obsolete builtins.
4184         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
4185         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
4186         set_storage_via_libcall and call emit_block_copy_via_libcall.
4188 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
4190         * config/i386/i386.md (*call_got_x32): Change operand 0 to
4191         DImode before it is passed to ix86_output_call_operand.
4192         (*call_value_got_x32): Ditto for operand 1.
4194 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
4196         PR rtl-optimization/70904
4197         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
4198         reload for wide mode.
4200 2016-05-12  Marek Polacek  <polacek@redhat.com>
4202         PR c/70756
4203         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
4204         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
4205         * langhooks.h (incomplete_type_error): Likewise.
4206         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
4207         parameter, pass it down to incomplete_type_error.
4208         * tree.h (size_in_bytes): New inline overload.
4209         (size_in_bytes_loc): Renamed from size_in_bytes.
4211 2016-05-12  Richard Biener  <rguenther@suse.de>
4213         PR tree-optimization/71059
4214         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
4215         nary before looking up or entering the expression into the VN
4216         hashes.
4217         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
4218         Make sure to re-use NARYs without result as inserted by
4219         phi-translation.
4221 2016-05-12  Richard Biener  <rguenther@suse.de>
4223         PR tree-optimization/71062
4224         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4225         field.
4226         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4227         vars_contains_restrict if the var is a restrict tag.
4228         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
4229         do not disambiguate pointers against it.
4230         (dump_points_to_solution): Re-structure and adjust for new
4231         vars_contains_restrict flag.
4232         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
4234 2016-05-12  Martin Liska  <mliska@suse.cz>
4236         * doc/invoke.texi: Explain connection between
4237         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
4239 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
4241         PR tree-optimization/71006
4242         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4243         consider COND_EXPR as a mask producer.
4245 2016-05-12  Marek Polacek  <polacek@redhat.com>
4247         PR driver/71063
4248         * opts.c (common_handle_option): Detect missing argument for --help^.
4250 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4252         PR target/70830
4253         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4254         when popping the PC and within an interrupt handler routine.
4255         Add missing tab to output of "ldmfd".
4256         (output_return_instruction): Output LDMFD with SP update rather
4257         than POP when returning from interrupt handler.
4259 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
4261         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
4262         TARGET_64BIT && TARGET_AVX512DQ.
4263         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
4264         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
4265         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
4266         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
4267         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
4268         (*vec_extractv4si_zext): Add avx512dq alternative.
4269         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
4270         use v instead of x constraint in other alternatives where possible.
4272         * config/i386/sse.md (sse2_loadld): Use v instead of x
4273         constraint in alternatives 0,1,4.
4275         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
4276         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
4277         v constraints instead of x and <pinsr_evex_isa> isa attribute.
4279         PR target/71019
4280         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
4281         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
4282         is not emitted unless TARGET_AVX512BW.
4283         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
4284         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
4285         for the result operand.
4287         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
4288         constraint instead of x in avx alternatives.  Use maybe_evex instead
4289         of vex prefix.
4291         * config/i386/constraints.md (Yv): New constraint.
4292         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
4293         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
4294         * config/i386/i386.md (avx512fvecmode): New mode attr.
4295         (*pushtf): Use v constraint instead of x.
4296         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
4297         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
4298         (*absneg<mode>2): Use Yv constraint instead of x constraint.
4299         (*absnegtf2_sse): Likewise.
4300         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
4301         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
4302         avx512f alternatives.
4303         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
4305 2016-05-12  Richard Biener  <rguenther@suse.de>
4307         PR tree-optimization/71060
4308         * tree-data-ref.c (initialize_data_dependence_relation): Do not
4309         require exact match of DR_BASE_OBJECT but only matching address and
4310         type.
4312 2016-05-12  Richard Biener  <rguenther@suse.de>
4314         PR tree-optimization/70986
4315         * cfganal.c: Include cfgloop.h.
4316         (dfs_find_deadend): Prefer to take edges exiting loops.
4318 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4320         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
4321         compile and run time.
4323 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
4325         PR c/43651
4326         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
4328 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
4330         * config/i386/i386.c (legitimize_pic_address): Use
4331         copy_to_suggested_reg instead of gen_movsi.
4333 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4335         * config/rs6000/predicates.md (quad_memory_operand): Move most of
4336         the code into quad_address_p and call it to share code with
4337         vsx_quad_dform_memory_operand.
4338         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
4339         d-form support.
4340         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
4341         bit instead of being a separate word.  Split -mpower9-dform into
4342         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4343         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
4344         for the register class supporting 128-bit quad word memory offsets.
4345         (mode_supports_vsx_dform_quad): Helper function to return if the
4346         register class uses quad word memory offsets.
4347         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
4348         (rs6000_debug_reg_global): Always print if we are using LRA or not.
4349         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
4350         instructions are enabled, set up the appropriate addr_masks for
4351         128-bit types.
4352         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
4353         -mpower9-dform-scalar, instead of -mpower9-dform.
4354         (rs6000_option_override_internal): Split -mpower9-dform into two
4355         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
4356         -mpower9-dform switch sets or clears both.  If we are not using
4357         the LRA register allocator, do not enable -mpower9-dform-vector by
4358         default.  If we are using LRA, enable -mpower9-dform-vector and
4359         -mvsx-timode if it is appropriate.  Issue a warning if either
4360         -mpower9-dform-vector or -mvsx-timode are explicitly used without
4361         enabling LRA.
4362         (quad_address_offset_p): New helper function to return if the
4363         offset is legal for quad word memory instructions.
4364         (quad_address_p): New function to determin if GPR or vector
4365         register quad word memory addresses are legal.
4366         (mem_operand_gpr): Validate quad word address offsets.
4367         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
4368         d-form (register + offset) instructions.
4369         (offsettable_ok_by_alignment): Likewise.
4370         (rs6000_legitimate_offset_address_p): Likewise.
4371         (legitimate_lo_sum_address_p): Likewise.
4372         (rs6000_legitimize_address): Likewise.
4373         (rs6000_legitimize_reload_address): Add more debug statements for
4374         -mdebug=addr.
4375         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
4376         d-form instructions.
4377         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
4378         d-form instructions.  Distinguish different cases in debug
4379         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
4380         d-form instructions.
4381         (rs6000_preferred_reload_class): Likewise.
4382         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
4383         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
4384         of the ISA 2.06 indexed memory instructions.
4385         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
4386         use them to save/restore the saved vector registers instead of
4387         using Altivec instructions.
4388         (rs6000_emit_epilogue): Likewise.
4389         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
4390         (rs6000_opt_masks): Split -mpower9-dform into
4391         -mpower9-dform-scalar and -mpower9-dform-vector.
4392         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
4393         was not selected.
4394         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
4395         ISA 3.0 vector indexed memory instructions, and fold the code into
4396         the normal mov<mode> patterns.
4397         (p9_vecstore_<mode>): Likewise.
4398         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
4399         instructions.
4400         (vsx_movti_64bit): Likewise.
4401         (vsx_movti_32bit): Likewise.
4402         * config/rs6000/constraints.md (wO constraint): New constraint for
4403         ISA 3.0 vector d-form support.
4404         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
4405         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
4406         include -mpower9-dform-vector until we switch over to LRA.
4407         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
4408         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4409         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
4410         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4411         for -mpower9-dform and -mlra.
4412         * doc/md.texi (wO constraint): Document wO constraint.
4414 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
4416         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
4417         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
4418         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
4419         Move handling of non-insn arguments inline into the sole user:
4420         (output_trans_func): ...here.
4421         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
4422         in emitted function prototype.
4423         (output_internal_insn_latency_func): Ditto.  Simplify.
4424         (output_internal_maximal_insn_latency_func): Ditto.  Delete
4425         always-unused argument.
4426         (output_insn_latency_func): Ditto.
4427         (output_maximal_insn_latency_func): Ditto.
4429 2016-05-11  Richard Biener  <rguenther@suse.de>
4431         PR tree-optimization/71055
4432         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
4433         sth with precision not equal to access size verify we don't chop
4434         off bits.
4436 2016-05-11  Richard Biener  <rguenther@suse.de>
4438         PR debug/71057
4439         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
4440         (dwarf2out_finish): Move retry_incomplete_types call ...
4441         (dwarf2out_early_finish): ... here.
4443 2016-05-11  Richard Biener  <rguenther@suse.de>
4445         PR middle-end/71002
4446         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
4447         if the langhook insists on it.
4448         * fold-const.c (make_bit_field_ref): Add arg for the original
4449         reference and preserve its alias-set.
4450         (decode_field_reference): Take exp by reference and adjust it
4451         to the original memory reference.
4452         (optimize_bit_field_compare): Adjust callers.
4453         (fold_truth_andor_1): Likewise.
4454         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
4456 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
4458         PR middle-end/70807
4459         * cfgrtl.h (delete_insn_and_edges): Now return bool.
4460         * cfgrtl.c (delete_insn_and_edges): Likewise.
4461         * config/i386/i386.c (convert_scalars_to_vector): Remove
4462         redundant code.
4463         * cse.c (cse_insn): Compute cse_cfg_altered.
4464         (delete_trivially_dead_insns): Likewise.
4465         (cse_cc_succs): Likewise.
4466         (rest_of_handle_cse): Free dominance info if required.
4467         (rest_of_handle_cse2): Likewise.
4468         (rest_of_handle_cse_after_global_opts): Likewise.
4470 2016-05-11  Alan Modra  <amodra@gmail.com>
4472         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
4473         abi_v4_pass_in_fpr): New functions.
4474         (rs6000_function_arg_boundary): Exclude complex IBM long double
4475         from 64-bit alignment when ABI_V4.
4476         (rs6000_function_arg, rs6000_function_arg_advance_1,
4477         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
4479 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
4481         PR rtl-optimization/71028
4482         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
4483         jump with just a return in the fallthrough block if the branch
4484         block contains just a return as well.
4486 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
4488         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
4489         * match.pd ((X & Y) ^ Y): ... this.
4490         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
4491         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
4493 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
4495         * read-md.c (require_char_ws): New function.
4496         (read_string): Simplify using require_char_ws.
4497         (handle_constants): Likewise.
4498         (handle_enum): Likewise.
4499         (handle_file): Likewise.
4500         * read-md.h (require_char_ws): New declaration.
4501         * read-rtl.c (read_conditions): Simplify using require_char_ws.
4502         (read_mapping): Likewise.
4503         (read_rtx_code): Likewise.
4504         (read_nested_rtx): Likewise.
4506 2016-05-10  James Norris  <jnorris@codesourcery.com>
4508         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
4509         if offloading is enabled and -fopenacc or -fopenmp is specified.
4510         (CRTOFFLOADEND): Likewise.
4511         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
4512         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
4514 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
4516         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
4517         gotoff_operand code paths.  Use copy_to_suggested_regs and
4518         expand_simple_binop where appropriate.  Cleanup.
4520 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4522         PR target/70799
4523         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
4524         integer constants.
4525         (dimode_scalar_chain::vector_const_cost): New.
4526         (dimode_scalar_chain::compute_convert_gain): Handle constants.
4527         (dimode_scalar_chain::convert_op): Likewise.
4528         (dimode_scalar_chain::convert_insn): Likewise.
4530 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
4532         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
4533         unary operation, not a binary one.
4535 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4537         PR middle-end/70877
4538         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
4539         calls with type casted fndecl.
4541 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4543         PR tree-optimization/70786
4544         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
4545         * calls.c (initialize_argument_information): Bind bounds
4546         with corresponding args passed by reference.
4548 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
4550         PR target/70927
4551         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
4552         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
4553         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
4554         accordingly.
4556 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4558         PR target/70963
4559         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
4560         code for a zero scale factor.
4561         (vsx_xvcvdpuxds_scale): Likewise.
4563 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
4565         * diagnostic-show-locus.c (layout::layout): Call show_ruler
4566         if show_ruler_p was set on the context.
4567         (layout::show_ruler): New method.
4568         * diagnostic.h (struct diagnostic_context): Add field
4569         "show_ruler_p".
4571 2016-05-10  Richard Biener  <rguenther@suse.de>
4573         PR tree-optimization/71039
4574         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
4575         (chk_uses): New function.
4576         (propagate_with_phi): Verify we can safely replicate the lhs of an
4577         aggregate assignment on all incoming edges.
4579 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
4581         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
4582         Forward declare.
4583         (rx_atomic_sequence): New class.
4584         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
4585         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
4586         non-inline.
4587         (rx_atomic_sequence::rx_atomic_sequence,
4588         rx_atomic_sequence::~rx_atomic_sequence): New functions.
4589         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
4590         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
4591         CTRLREG_INTB): New constants.
4592         (FETCHOP): New code iterator.
4593         (fethcop_name, fetchop_name2): New iterator code attributes.
4594         (QIHI): New mode iterator.
4595         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
4596         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
4597         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
4599 2016-05-10  Martin Liska  <mliska@suse.cz>
4601         * tree-inline.c (remap_dependence_clique): Do not remap
4602         debugging statements.
4604 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4606         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
4607         ("*fixuns_truncdfdi2_z13")
4608         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
4609         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
4610         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
4612 2016-05-10  Richard Biener  <rguenther@suse.de>
4614         PR tree-optimization/70497
4615         PR tree-optimization/28367
4616         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
4617         split out from ...
4618         (visit_reference_op_load): ... here.
4619         (vn_reference_lookup_3): Use it to handle subreg-like accesses
4620         with simplified BIT_FIELD_REFs.
4621         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
4622         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
4623         correctly.
4625 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
4627         * dwarf2out.c (add_abstract_origin_attribute): Adjust
4628         documentation comment.  For BLOCK nodes, add a
4629         DW_AT_abstract_origin attribute that points to the DIE generated
4630         for the origin BLOCK.
4631         (gen_lexical_block_die): Call add_abstract_origin_attribute for
4632         blocks from inlined functions.
4634 2016-05-10  Alan Modra  <amodra@gmail.com>
4636         PR target/70947
4637         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
4638         regrename modifying insns saving lr before __morestack call.
4639         * config/rs6000/rs6000.md (split_stack_return): Similarly for
4640         insns restoring lr after __morestack call.
4642 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
4644         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
4645         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
4646         expanders.
4647         * config/i386/sse.md (vec_interleave_high<mode>,
4648         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
4649         <avx512>_vpermt2var<mode>3_maskz): Likewise.
4651 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4653         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
4654         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
4655         parallel reassociation for power8 and forward.
4657 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
4659         * config/i386/i386.md (absneg splitters with general regs): Use
4660         general_reg_operand predicate.
4661         (btsq peephole2): Use x86_64_immediate_operand to check if new
4662         value is suitable for immediate operand.  Generate emitted insn
4663         using RTL expressions.
4664         (btcq peephole2): Ditto.
4665         (btrq peephole2): Ditto.  Generate correct immediate operand
4666         for AND masking.
4668 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
4670         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
4671         bitpos.
4673 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
4675         * tree-affine.c (wide_int_constant_multiple_p): Add missing
4676         pointer dereference.
4678 2016-05-09  Richard Biener  <rguenther@suse.de>
4680         PR tree-optimization/70985
4681         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
4682         op0 isn't a gimple register.
4684 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
4686         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
4687         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
4688         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
4689         (i6400_fpu_mult): New cpu units.
4690         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
4691         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
4692         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
4693         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
4694         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
4695         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
4696         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
4697         (i6400_msa_long_float4, i6400_msa_long_float5)
4698         (i6400_msa_long_float8, i6400_msa_fdiv_df)
4699         (i6400_msa_fdiv_sf): New reservations.
4700         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
4701         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
4702         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
4703         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
4704         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
4705         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
4706         (msa_short_cmp, msa_short_float2, msa_short_logic3)
4707         (msa_short_store4, msa_long_load, msa_short_store)
4708         (msa_long_logic, msa_long_float2, msa_long_float4)
4709         (msa_long_float5, msa_long_float8, msa_long_mult)
4710         (msa_long_fdiv, msa_long_div): New reservations.
4712 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
4713             Sameera Deshpande  <sameera.deshpande@imgtec.com>
4714             Matthew Fortune  <matthew.fortune@imgtec.com>
4715             Graham Stott  <graham.stott@imgtec.com>
4716             Chao-ying Fu  <chao-ying.fu@imgtec.com>
4718         * config.gcc: Add MSA header file for mips*-*-* target.
4719         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
4720         (Ubv8i, Urv8):  New constraints.
4721         * config/mips/mips-ftypes.def: Add function types for MSA
4722         builtins.
4723         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
4724         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
4725         * config/mips/mips-msa.md: New file.
4726         * config/mips/mips-protos.h
4727         (mips_split_128bit_const_insns): New prototype.
4728         (mips_msa_idiv_insns): Likewise.
4729         (mips_split_128bit_move): Likewise.
4730         (mips_split_128bit_move_p): Likewise.
4731         (mips_split_msa_copy_d): Likewise.
4732         (mips_split_msa_insert_d): Likewise.
4733         (mips_split_msa_fill_d): Likewise.
4734         (mips_expand_msa_branch): Likewise.
4735         (mips_const_vector_same_val_p): Likewise.
4736         (mips_const_vector_same_bytes_p): Likewise.
4737         (mips_const_vector_same_int_p): Likewise.
4738         (mips_const_vector_shuffle_set_p): Likewise.
4739         (mips_const_vector_bitimm_set_p): Likewise.
4740         (mips_const_vector_bitimm_clr_p): Likewise.
4741         (mips_msa_vec_parallel_const_half): Likewise.
4742         (mips_msa_output_division): Likewise.
4743         (mips_ldst_scaled_shift): Likewise.
4744         (mips_expand_vec_cond_expr): Likewise.
4745         * config/mips/mips.c (enum mips_builtin_type): Add
4746         MIPS_BUILTIN_MSA_TEST_BRANCH.
4747         (mips_gen_const_int_vector_shuffle): New prototype.
4748         (mips_const_vector_bitimm_set_p): New function.
4749         (mips_const_vector_bitimm_clr_p): Likewise.
4750         (mips_const_vector_same_val_p): Likewise.
4751         (mips_const_vector_same_bytes_p): Likewise.
4752         (mips_const_vector_same_int_p): Likewise.
4753         (mips_const_vector_shuffle_set_p): Likewise.
4754         (mips_symbol_insns): Forbid loading symbols via immediate for
4755         MSA.
4756         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
4757         stores.
4758         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
4759         MSA.
4760         (mips_lx_address_p): Add support load indexed address for MSA.
4761         (mips_address_insns): Add calculation of instructions needed for
4762         stores and loads for MSA.
4763         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
4764         CONST_VECTOR for MSA and let it fall through.
4765         (mips_ldst_scaled_shift): New function.
4766         (mips_subword_at_byte): Likewise.
4767         (mips_msa_idiv_insns): Likewise.
4768         (mips_legitimize_move): Validate MSA moves.
4769         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
4770         calculation of costs for MSA division.
4771         (mips_split_move_p): Check if MSA moves need splitting.
4772         (mips_split_move): Split MSA moves if necessary.
4773         (mips_split_128bit_move_p): New function.
4774         (mips_split_128bit_move): Likewise.
4775         (mips_split_msa_copy_d): Likewise.
4776         (mips_split_msa_insert_d): Likewise.
4777         (mips_split_msa_fill_d): Likewise.
4778         (mips_output_move): Handle MSA moves.
4779         (mips_expand_msa_branch): New function.
4780         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
4781         Reinstate 'y' modifier.
4782         (mips_file_start): Add MSA .gnu_attribute.
4783         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
4784         FPRs.
4785         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
4786         (mips_class_max_nregs): Add register size for MSA supported mode.
4787         (mips_cannot_change_mode_class): Allow conversion between MSA
4788         vector modes and TImode.
4789         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
4790         instruction.
4791         (mips_secondary_reload_class): Force MSA loads/stores via memory.
4792         (mips_preferred_simd_mode): Add preffered modes for MSA.
4793         (mips_vector_mode_supported_p): Add MSA supported modes.
4794         (mips_autovectorize_vector_sizes): New function.
4795         (mips_msa_output_division): Likewise.
4796         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
4797         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
4798         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
4799         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
4800         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
4801         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
4802         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
4803         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
4804         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
4805         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
4806         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
4807         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
4808         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
4809         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
4810         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
4811         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
4812         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
4813         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
4814         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
4815         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
4816         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
4817         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
4818         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
4819         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
4820         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
4821         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
4822         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
4823         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
4824         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
4825         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
4826         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
4827         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
4828         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
4829         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
4830         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
4831         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
4832         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
4833         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
4834         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
4835         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
4836         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
4837         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
4838         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
4839         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
4840         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
4841         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
4842         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
4843         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
4844         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
4845         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
4846         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
4847         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
4848         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
4849         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
4850         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
4851         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
4852         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
4853         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
4854         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
4855         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
4856         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
4857         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
4858         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
4859         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
4860         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
4861         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
4862         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
4863         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
4864         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
4865         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
4866         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
4867         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
4868         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
4869         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
4870         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
4871         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
4872         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
4873         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
4874         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
4875         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
4876         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
4877         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
4878         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
4879         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
4880         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
4881         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
4882         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
4883         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
4884         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
4885         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
4886         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
4887         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
4888         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
4889         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
4890         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
4891         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
4892         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
4893         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
4894         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
4895         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
4896         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
4897         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
4898         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
4899         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
4900         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
4901         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
4902         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
4903         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
4904         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
4905         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
4906         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
4907         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
4908         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
4909         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
4910         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
4911         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
4912         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
4913         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
4914         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
4915         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
4916         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
4917         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
4918         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
4919         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
4920         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
4921         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
4922         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
4923         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
4924         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
4925         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
4926         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
4927         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
4928         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
4929         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
4930         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
4931         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
4932         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
4933         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
4934         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
4935         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
4936         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
4937         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
4938         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
4939         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
4940         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
4941         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
4942         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
4943         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
4944         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
4945         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
4946         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
4947         move_v builtins.
4948         (mips_get_builtin_decl_index): New array.
4949         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
4950         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
4951         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
4952         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
4953         (mips_init_builtins): Initialize mips_get_builtin_decl_index
4954         array.
4955         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
4956         hook.
4957         (mips_expand_builtin_insn): Prepare operands for
4958         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
4959         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
4960         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
4961         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
4962         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
4963         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
4964         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
4965         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
4966         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
4967         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
4968         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
4969         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
4970         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
4971         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
4972         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
4973         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
4974         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
4975         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
4976         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
4977         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
4978         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
4979         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
4980         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
4981         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
4982         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
4983         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
4984         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
4985         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
4986         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
4987         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
4988         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
4989         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
4990         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
4991         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
4992         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
4993         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
4994         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
4995         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
4996         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
4997         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
4998         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
4999         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5000         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5001         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5002         These are set implicitly and an error is reported if overridden.
5003         (mips_expand_builtin_msa_test_branch): New function.
5004         (mips_expand_msa_shuffle): Likewise.
5005         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5006         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5007         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5008         (mips_expand_vec_unpack): Add support for MSA.
5009         (mips_expand_vector_init): Likewise.
5010         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5011         instead of const0_rtx.
5012         (mips_msa_vec_parallel_const_half): New function.
5013         (mips_gen_const_int_vector): Likewise.
5014         (mips_gen_const_int_vector_shuffle): Likewise.
5015         (mips_expand_msa_cmp): Likewise.
5016         (mips_expand_vec_cond_expr): Likewise.
5017         * config/mips/mips.h
5018         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5019         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5020         specified.
5021         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5022         (ISA_HAS_MSA): New macro.
5023         (UNITS_PER_MSA_REG): Likewise.
5024         (BITS_PER_MSA_REG): Likewise.
5025         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5026         (MSA_REG_FIRST): New macro.
5027         (MSA_REG_LAST): Likewise.
5028         (MSA_REG_NUM): Likewise.
5029         (MSA_REG_P): Likewise.
5030         (MSA_REG_RTX_P): Likewise.
5031         (MSA_SUPPORTED_MODE_P): Likewise.
5032         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5033         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5034         * config/mips/mips.md: Include mips-msa.md.
5035         (alu_type): Add simd_add.
5036         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5037         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5038         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5039         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5040         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5041         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5042         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5043         simd_move, simd_load, simd_store.  Choose "multi" for moves
5044         for "qword_mode".
5045         (qword_mode): New attribute.
5046         (insn_count): Add instruction count for quad moves.
5047         Increase the count for MIPS SIMD division.
5048         (UNITMODE): Add UNITMODEs for vector types.
5049         (addsub): New code iterator.
5050         * config/mips/mips.opt (mmsa): New option.
5051         * config/mips/msa.h: New file.
5052         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5053         specified.
5054         * config/mips/mti-linux.h: Likewise.
5055         * config/mips/predicates.md
5056         (const_msa_branch_operand): New constraint.
5057         (const_uimm3_operand): Likewise.
5058         (const_uimm4_operand): Likewise.
5059         (const_uimm5_operand): Likewise.
5060         (const_uimm8_operand): Likewise.
5061         (const_imm5_operand): Likewise.
5062         (aq10b_operand): Likewise.
5063         (aq10h_operand): Likewise.
5064         (aq10w_operand): Likewise.
5065         (aq10d_operand): Likewise.
5066         (const_m1_operand): Likewise.
5067         (reg_or_m1_operand): Likewise.
5068         (const_exp_2_operand): Likewise.
5069         (const_exp_4_operand): Likewise.
5070         (const_exp_8_operand): Likewise.
5071         (const_exp_16_operand): Likewise.
5072         (const_vector_same_val_operand): Likewise.
5073         (const_vector_same_simm5_operand): Likewise.
5074         (const_vector_same_uimm5_operand): Likewise.
5075         (const_vector_same_uimm6_operand): Likewise.
5076         (const_vector_same_uimm8_operand): Likewise.
5077         (par_const_vector_shf_set_operand): Likewise.
5078         (reg_or_vector_same_val_operand): Likewise.
5079         (reg_or_vector_same_simm5_operand): Likewise.
5080         (reg_or_vector_same_uimm6_operand): Likewise.
5081         * doc/extend.texi (MIPS SIMD Architecture Functions): New
5082         section.
5083         * doc/invoke.texi (-mmsa): Document new option.
5085 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5087         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
5088         * configure: Regenerate.
5089         * config.in: Regenerate.
5090         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
5091         on -fvtable-verify.
5092         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
5093         (ENDFILE_VTV_SPEC): Define.
5095 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
5097         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
5098         registers in all interrupt handlers if necessary.
5099         (rl78_option_override): Add warning.
5100         (MUST_SAVE_MDUC_REGISTERS): New macro.
5101         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
5102         * config/rl78/rl78.c (check_mduc_usage): New function.
5103         (mduc_regs): New structure to hold MDUC register data.
5104         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
5105         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
5106         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
5107         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
5108         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
5109         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
5111 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
5113         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
5114         (tree-ssa-loop-niter.h): Ditto.
5115         (idx_within_array_bound, ref_within_array_bound): New functions.
5116         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
5117         Factor out check on writable base object to ...
5118         (base_object_writable): ... here.
5120 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5122         * config/arm/arm.md (probe_stack): Add modes to set source
5123         and destination.
5125 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
5127         * regrename.c (base_reg_class_for_rename): New static function.
5128         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
5130 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
5132         * cgraph.c (thunk_adjust): Export.
5133         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
5134         * cgraphunit.c (thunk_adjust): Export.
5135         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
5136         thunks.
5137         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
5138         inlinable.
5139         * tree-inline.c (expand_call_inline): Expand thunks inline.
5141 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
5143         PR target/70998
5144         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
5145         (*sse2_vd_cvtss2sd): Ditto.
5146         * config/i386/i386.md
5147         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
5148         Generate *sse2_vd_cvtsd2ss pattern.
5149         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
5150         Generate *sse2_vd_cvtss2sd pattern.
5152 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5154         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
5155         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
5156         users.
5158 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5160         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
5161         * config/sh/sh.c: Define and declare variables on first use throughout
5162         the file.
5163         (current_function_interrupt): Change to bool type.
5164         (frame_insn): Rename to emit_frame_insn and update users.
5165         (push_regs): Use bool for 'interrupt_handler' argument.
5166         (save_schedule_s): Remove.
5167         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
5168         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
5169         targetm.asm_out.unaligned_op.di.
5170         (gen_far_branch): Remove redundant forward declaration.
5171         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
5172         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
5173         (sh_set_return_address, sh_function_ok_for_sibcall,
5174         scavenge_reg): Update comments.
5175         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
5176         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
5177         (sh_attr_renesas_p): Remove unnecessary parentheses.
5178         (branch_dest): Simplify.
5179         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
5180         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
5181         (CUMULATIVE_ARGS): Change macro to typedef.
5182         (current_function_interrupt): Change to bool type.
5183         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
5184         Surround with __cplusplus ifdef.
5185         (sh_compare_op0, sh_compare_op1): Remove.
5186         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
5188 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
5190         * config/arm/arm.md: (arch): Add neon.
5191         (arch_enabled): Return yes for arch neon when TARGET_NEON.
5192         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
5193         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
5194         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
5195         attributes for alt renumbering.  Mark alt 3 as non-predicable.
5196         (thumb2_movdf_vfp): Likewise.
5198 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
5200         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
5201         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
5202         (*andqi_1): Add preferred_for_speed attribute to disparage
5203         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
5204         (*<code>qi_1): Ditto.
5205         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
5206         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
5207         (*ashlqi3_1): Ditto.
5208         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
5209         Add preferred_for_size attribute to disparage alternative 0 and
5210         preferred_for_speed attribute to disparage alternative 1 for
5211         TARGET_PARTIAL_REG_STALL targets.
5213 2016-05-07  Tom de Vries  <tom@codesourcery.com>
5215         PR tree-optimization/70956
5216         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
5217         def.
5219 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5221         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
5222         * config/sh/sh.c (sh_cbranch_distance): Implement it.
5223         * config/sh/sh.md (branch_zero): Remove define_attr.
5224         (define_delay): Disable delay slot if branch distance is one insn.
5226 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5228         * config/i386/i386.md (LEAMODE): New mode attribute.
5229         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
5230         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
5231         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
5232         operand 2 predicate.
5233         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
5234         (*lea<mode>_general_3): Ditto.
5235         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
5237 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5239         * genmddump.c (main): Convert argv from char ** to const char **.
5241 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5243         * coretypes.h (OVERRIDE): New macro.
5244         (FINAL): New macro.
5246 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
5248         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
5249         allow coalescing if the types are compatible.
5251 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5253         * pass_manager.h (pass_manager::register_pass_name): New method.
5254         (pass_manager::get_pass_by_name): New method.
5255         (pass_manager::create_pass_tab): New method.
5256         (pass_manager::m_name_to_pass_map): New field.
5257         * passes.c (name_to_pass_map): Delete global in favor of field
5258         "m_name_to_pass_map" of pass_manager.
5259         (register_pass_name): Rename from a function to...
5260         (pass_manager::register_pass_name): ...this method, updating
5261         for renaming of global "name_to_pass_map" to field
5262         "m_name_to_pass_map".
5263         (create_pass_tab): Rename from a function to...
5264         (pass_manager::create_pass_tab): ...this method, updating
5265         for renaming of global "name_to_pass_map" to field.
5266         (get_pass_by_name): Rename from a function to...
5267         (pass_manager::get_pass_by_name): ...this method.
5268         (enable_disable_pass): Convert use of get_pass_by_name to
5269         a method call, locating the pass_manager singleton.
5271 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5273         * genattr-common.c (main): Convert argv from char ** to const char **.
5274         * genattr.c (main): Likewise.
5275         * genattrtab.c (main): Likewise.
5276         * genautomata.c (initiate_automaton_gen): Likewise.
5277         (main): Likewise.
5278         * gencodes.c (main): Likewise.
5279         * genconditions.c (main): Likewise.
5280         * genconfig.c (main): Likewise.
5281         * genconstants.c (main): Likewise.
5282         * genemit.c (main): Likewise.
5283         * genenums.c (main): Likewise.
5284         * genextract.c (main): Likewise.
5285         * genflags.c (main): Likewise.
5286         * genmddeps.c (main): Likewise.
5287         * genopinit.c (main): Likewise.
5288         * genoutput.c (main): Likewise.
5289         * genpeep.c (main): Likewise.
5290         * genpreds.c (main): Likewise.
5291         * genrecog.c (main): Likewise.
5292         * gensupport.c (init_rtx_reader_args_cb): Likewise.
5293         (init_rtx_reader_args): Likewise.
5294         * gensupport.h (init_rtx_reader_args_cb): Likewise.
5295         (init_rtx_reader_args): Likewise.
5296         * gentarget-def.c (main): Likewise.
5297         * read-md.c (read_md_files): Likewise.
5298         * read-md.h (read_md_files): Likewise.
5300 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5302         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
5303         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
5304         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
5305         Remove unused predicate.
5306         (register_and_not_fp_reg_operand): Ditto.
5308 2016-05-06  Martin Liska  <mliska@suse.cz>
5310         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
5311         instead of vec as the vector is local to the function.
5313 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5315         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
5316         avx512bw alternative.
5318         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
5319         before the ashr<mode>3 pattern.
5321         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
5322         v instead of x in vex or maybe_vex alternatives, use
5323         maybe_evex instead of vex in prefix.
5325         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
5326         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
5327         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
5328         in vex or maybe_vex alternatives, use maybe_evex instead of vex
5329         in prefix.
5331         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
5332         v instead of x in vex or maybe_vex alternatives, use
5333         maybe_evex instead of vex in prefix.
5335         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
5336         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
5337         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
5338         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
5339         alternatives, use maybe_evex instead of vex in prefix.
5341         * config/i386/sse.md (vec_interleave_lowv4sf,
5342         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
5343         v instead of x in vex or maybe_vex alternatives, use
5344         maybe_evex instead of vex in prefix.
5346         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
5347         v instead of x in vex or maybe_vex alternatives, use
5348         maybe_evex instead of vex in prefix.
5350         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
5351         v constraint instead of x.
5353 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5355         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
5356         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
5357         equality first.
5359 2016-05-06  Richard Biener  <rguenther@suse.de>
5361         PR tree-optimization/70948
5362         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5363         Properly clobber all fields of va_list for __builtin_va_start.
5365 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
5367         PR debug/70935
5368         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
5369         loop latch destination.
5371 2016-05-06  Martin Liska  <mliska@suse.cz>
5373         * tree-ssa-uninit.c: Apply manual changes
5374         to the GNU coding style.
5375         (prune_uninit_phi_opnds): Rename from
5376         prune_uninit_phi_opnds_in_unrealizable_paths.
5378 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5380         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
5381         mspace): Remove deprecated options.
5382         * doc/invoke.texi (SH options): Remove -mspace.
5384 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5386         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
5388 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5390         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
5391         corresponding combine split pattern.
5393 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5395         PR target/58219
5396         * config/sh/predicates.md (long_displacement_mem_operand): New.
5397         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
5398         Add movi20, movi20s alternatives.  Adjust length attribute for
5399         alternatives.
5400         (movsi_ie): Allow for any FPU.  Adjust length attribute for
5401         alternatives.
5402         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
5403         attribute for alternatives.
5404         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
5405         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
5406         length attribute for alternatives.
5408 2016-05-06  Richard Biener  <rguenther@suse.de>
5410         PR tree-optimization/70960
5411         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
5413 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5415         PR target/52933
5416         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
5417         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
5419 2016-05-06  Marek Polacek  <polacek@redhat.com>
5421         PR sanitizer/70875
5422         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
5424 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5426         PR target/54089
5427         * config/sh/sh.md (*rotcr): Add another variant.
5429 2016-05-06  Richard Biener  <rguenther@suse.de>
5431         PR middle-end/70931
5432         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
5434 2016-05-06  Richard Biener  <rguenther@suse.de>
5436         PR middle-end/70941
5437         * fold-const.c (split_tree): Always convert to the original type
5438         before negating.
5440 2016-05-06  Richard Biener  <rguenther@suse.de>
5442         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
5443         (fwprop_addr): Likewise.
5445 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5447         PR target/70873
5448         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
5449         New prototype.
5450         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
5451         * config/i386/i386.md (push mem splitter): Use find_constant_src in
5452         the splitter condition.
5453         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
5454         the splitter condition.
5455         (FP float_extend load splitter): Ditto.
5457 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
5459         * config/i386/i386.md (peehole2 patterns): Change true_regnum
5460         to REGNO in all peephole2 patterns.
5461         (post-reload splitters): Change true_regnum to REGNO in
5462         post-reload splitters.
5463         (zero_extend splitters): Use general_reg_operand and
5464         nonimmediate_gr_operand predicates.
5466 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
5468         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
5469         v constraint instead of x.
5471 2016-05-05  Alan Modra  <amodra@gmail.com>
5473         PR target/68662
5474         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
5475         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
5476         TARGET_NO_FP_IN_TOC for -mrelocatable.
5477         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
5478         TARGET_RELOCATABLE test.
5479         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5480         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5481         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5482         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5483         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5484         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5485         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5486         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5487         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
5488         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5489         Likewise.
5490         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
5491         (rs6000_stack_info): Likewise.
5492         (rs6000_elf_asm_out_constructor): Likewise.
5493         (rs6000_elf_asm_out_destructor): Likewise.
5494         (rs6000_elf_declare_function_name): Likewise.
5495         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
5496         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
5497         Don't define.
5499 2016-05-05  Alan Modra  <amodra@gmail.com>
5501         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
5503 2016-05-05  Alan Modra  <amodra@gmail.com>
5505         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5506         out-of-line gpr restore for one or two regs if that would add
5507         a save of lr.
5509 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
5511         PR target/70873
5512         * config/i386/i386.md
5513         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
5514         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
5515         as operand 0 predicate.
5516         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
5517         Ditto.
5518         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
5519         Ditto.  Emit the pattern using RTX.
5521         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
5522         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
5523         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
5524         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
5525         Ditto.
5526         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
5527         sse_reg_operand as operand 0 predicate.
5529         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
5530         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
5531         instead of gen_rtx_REG.
5532         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
5533         Ditto.
5535 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5537         * function.c (emit_use_return_register_into_block): Delete.
5538         (gen_return_pattern): Delete.
5539         (emit_return_into_block): Delete.
5540         (active_insn_between): Delete.
5541         (convert_jumps_to_returns): Delete.
5542         (emit_return_for_exit): Delete.
5543         (thread_prologue_and_epilogue_insns): Delete all code dealing with
5544         simple_return for shrink-wrapped blocks.
5545         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
5546         end of blocks that need one.
5547         (get_unconverted_simple_return): Delete.
5548         (convert_to_simple_return): Delete.
5549         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
5550         (convert_to_simple_return): Ditto.
5552 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5554         * cfgcleanup.c (bb_is_just_return): New function.
5555         (try_optimize_cfg): Simplify jumps to return, branches to return,
5556         and branches around return.
5558 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5560         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
5561         branch to a return.
5563 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
5565         PR c++/70906
5566         PR c++/70933
5567         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
5568         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
5569         assert flags & OEP_HASH_CHECK, instead of asserting it
5570         never happens.  Handle TARGET_EXPR.
5571         * fold-const.c (operand_equal_p): For hash verification,
5572         or in OEP_HASH_CHECK into flags.
5574 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
5576         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
5577         comment.
5578         (compute_samebase_partition_bases): Fix typo.
5580 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
5582         * config/i386/sse.md (vec_interleave_highv8sf,
5583         vec_interleave_lowv8sf, vec_interleave_highv4df,
5584         vec_interleave_lowv4df): Remove constraints from expanders.
5586         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
5588 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
5590         * tree-inline.c (expand_call_inline): Fix path dealing with
5591         making lhs of call statement undefined.
5593 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
5595         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
5596         Check availability on NODE, too.
5597         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
5598         (cgraph_node::call_for_symbol_and_aliases): Likewise.
5599         (varpool_node::call_for_symbol_and_aliase): Likewise.
5600         * ipa-pure-const.c (add_new_function): Analyze all bodies.
5601         (propagate_pure_const): Propagate across interposable functions, too.
5602         (skip_function_for_local_pure_const): Do not skip interposable bodies
5603         with aliases.
5604         (pass_local_pure_const::execute): Update.
5606 2016-05-04  Marek Polacek  <polacek@redhat.com>
5608         * doc/invoke.texi: Document -Wdangling-else.
5610 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5612         * config.gcc: Error out when conflicting multilib is detected.  Do not
5613         loop over multilibs since no combination is legal.
5615 2016-05-04  Alan Modra  <amodra@gmail.com>
5617         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
5618         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
5619         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5620         Align .toc.
5622 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
5624         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
5625         Clean up p5600 comments.
5627 2016-05-04  Richard Biener  <rguenther@suse.de>
5629         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
5630         constructor simplifications.
5631         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
5633 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
5635         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
5636         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
5637         result.set_rtx is null instead of aborting.
5638         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
5639         Always enable.
5640         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
5641         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
5642         *mov<mode>_store_postinc): New patterns.
5644 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
5646         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
5647         as commutative.  Check both conversions are NOP.
5648         ((A & B) OP (C & B)): Remove.
5650 2016-05-04  Alan Modra  <amodra@gmail.com>
5652         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
5654 2016-05-04  Alan Modra  <amodra@gmail.com>
5656         PR target/70866
5657         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
5658         when cr2,3,4 are all fixed regs.
5660 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
5662         PR rtl-optimization/57193
5663         * opts.c (default_options_table): Revert OPT_frename_registers change.
5664         * doc/invoke.texi (-frename-registers, -O2): Likewise.
5666 2016-05-03  Martin Sebor  <msebor@redhat.com>
5668         PR c++/66561
5669         * builtins.c (fold_builtin_FILE): New function.
5670         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
5671         (fold_builtin_0): Call them.
5672         * gimplify.c (gimplify_call_expr): Remove the handling of
5673         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
5675         PR c++/66561
5676         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
5677         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
5678         constants.
5680         PR c++/66639
5681         * doc/extend.texi (Function Names as Strings): Update __func__,
5682         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
5683         constants.
5685 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
5686             Richard Biener  <rguenther@suse.de>
5688         PR tree-optimization/70916
5689         * tree-if-conv.c: Include cfganal.h.
5690         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
5691         and remove_fake_exit_edges around the optimization pass.
5693 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
5695         * cgraph.c (symbol_table::create_edge): Set inline_failed.
5696         (cgraph_edge::make_direct): Likewise.
5697         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
5698         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
5699         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
5700         (CIF_THUNK): New code.
5701         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
5702         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
5703         (compute_inline_parameters): Set inline_failed for thunks.
5704         (inline_analyze_function): Cleanup.
5705         * ipa-inline.c (can_inline_edge_p): Do not deal with
5706         call_stmt_cannot_inline_p.
5707         (can_early_inline_edge_p): Likewise.
5708         (early_inliner): Initialize inline_failed.
5709         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
5711 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
5713         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
5714         from nonimm_ssenomem_operand.
5715         (nonimm_ssenomem_operand): New predicate.
5716         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
5717         as operand 0 predicate.
5718         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
5719         Disable unsupported alternatives using "enabled" attribute.
5720         Use register_ssemem_operand as operand 0 predicate.
5721         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
5723 2016-05-03  Marek Polacek  <polacek@redhat.com>
5725         PR c/70859
5726         * input.c (expansion_point_location): New function.
5727         * input.h (expansion_point_location): Declare.
5729 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
5731         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
5732         occurence with frame_offset_ ones.
5734 2016-05-03  Alan Modra  <amodra@gmail.com>
5736         PR rtl-optimization/70890
5737         * ira.c (combine_and_move_insns): When moving def_insn, remove
5738         equivs on use_insn.
5740 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5742         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
5743         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
5744         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
5745         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
5747 2016-05-03  Alan Modra  <amodra@gmail.com>
5749         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
5750         for SAVE_MULTIPLE/STORE_MULTIPLE.
5752 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
5754         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
5755         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
5757 2016-05-03  Richard Biener  <rguenther@suse.de>
5759         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
5760         default true.
5761         (gimplify_arg): Likewise.
5762         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
5763         re-writing the result to a decl if required.
5764         (internal_get_tmp_var): Add allow_ssa parameter
5765         and override into_ssa with it.
5766         (get_formal_tmp_var): Adjust.
5767         (get_initialized_tmp_var): Add allow_ssa parameter.
5768         (gimplify_arg): Add allow_ssa parameter and avoid generating
5769         SSA names for the result false.
5770         (gimplify_call_expr): If the call may return twice do not
5771         gimplify parameters into SSA.
5772         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
5773         (gimplify_modify_expr): Adjust assert.  For noreturn calls
5774         with a SSA name LHS adjust its def.
5775         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
5776         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
5777         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
5778         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
5779         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
5780         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
5781         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
5782         (optimize_target_teams): Do not allow SSA names for clause operands.
5783         (gimplify_expr): Likewise for where we mark the result addressable.
5784         * passes.def (pass_init_datastructures): Remove.
5785         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
5786         (rewrite_stmt): Likewise.
5787         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
5788         (replace_locals_op): Replace SSA names.
5789         (copy_gimple_seq_and_replace_locals): Init src_cfun.
5790         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
5791         * cgraph.c (release_function_body): Free CFG annotations only
5792         when we have a CFG.  Simplify.
5793         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
5794         force_gimple_operand instead of get_initialized_tmp_var.
5795         * tree-pass.h (make_pass_init_datastructures): Remove.
5796         * tree-ssa.c (execute_init_datastructures): Remove.
5797         (pass_data_init_datastructures): Likewise.
5798         (class pass_init_datastructures): Likewise.
5799         (make_pass_init_datastructures): Likewise.
5800         * omp-low.c (create_omp_child_function): Init SSA data structures.
5801         (grid_expand_target_grid_body): Likewise.
5802         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
5803         name before adding it to names_to_release.
5804         (remove_bb): Always release SSA defs.
5805         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
5806         before dereferencing it.
5807         * cgraphunit.c (init_lowered_empty_function): Always
5808         int SSA data structures.
5809         * tree-ssanames.c (release_defs): Remove assert that we are in
5810         SSA form.
5811         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
5813 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
5814             Uros Bizjak  <ubizjak@gmail.com>
5816         PR rtl-optimization/70467
5817         * config/i386/predicates.md (x86_64_hilo_int_operand,
5818         x86_64_hilo_general_operand): New predicates.
5819         * config/i386/constraints.md (Wd): New constraint.
5820         * config/i386/i386.md (mode attr di): Use Wd instead of e.
5821         (general_hilo_operand): New mode attr.
5822         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
5823         instead of <general_operand>.
5824         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
5825         x86_64_hilo_general_operand instead of <general_operand>.
5827 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
5829         PR tree-optimization/70916
5830         * tree-if-conv.c (constant_or_ssa_name): Removed.
5831         (fold_build_cond_expr): Use is_gimple_val instead of
5832         constant_or_ssa_name.
5834         PR tree-optimization/70916
5835         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
5836         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
5838         PR target/49244
5839         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
5840         (optimize_atomic_bit_test_and): New function.
5841         (pass_fold_builtins::execute): Use it.
5842         * optabs.def (atomic_bit_test_and_set_optab,
5843         atomic_bit_test_and_complement_optab,
5844         atomic_bit_test_and_reset_optab): New optabs.
5845         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
5846         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
5847         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
5848         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
5849         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
5850         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
5851         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
5852         * doc/md.texi (atomic_bit_test_and_set@var{mode},
5853         atomic_bit_test_and_complement@var{mode},
5854         atomic_bit_test_and_reset@var{mode}): Document.
5855         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
5856         atomic_bit_test_and_complement<mode>,
5857         atomic_bit_test_and_reset<mode>): New expanders.
5858         (atomic_bit_test_and_set<mode>_1,
5859         atomic_bit_test_and_complement<mode>_1,
5860         atomic_bit_test_and_reset<mode>_1): New insns.
5862 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
5864         PR rtl-optimization/70687
5865         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
5866         instead of unsigned HOST_WIDE_INT.
5868 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
5870         PR rtl-optimization/44281
5871         * hard-reg-set.h (struct target_hard_regs): New field
5872         x_fixed_nonglobal_reg_set.
5873         (fixed_nonglobal_reg_set): New macro.
5874         * reginfo.c (init_reg_sets_1): Initialize it.
5875         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
5876         of fixed_reg_set.
5877         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
5879 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
5881         PR tree-optimization/56541
5882         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
5883         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
5884         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
5885         (any_complicated_phi): new static variable.
5886         (aggressive_if_conv): delete.
5887         (if_convertible_phi_p): support phis with more than two arguments.
5888         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
5889         critical pred edges.
5890         (ifcvt_split_critical_edges): support phis with more than two
5891         arguments by checking new parameter.  only split critical edges
5892         if needed.
5893         (tree_if_conversion): handle simd pragma marked loop using new
5894         local variable aggressive_if_conv.  check any_complicated_phi.
5896 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
5898         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
5899         before using it.
5901 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
5903         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
5904         cbase.
5906 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
5908         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
5909         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
5910         define_insn_and_split.
5911         (mulsi3_i): New define_insn_and_split.
5912         (mulsi3_call): Convert to define_insn.
5913         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
5914         Remove constraints.
5916 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5918         * machmode.h (mode_complex): Add support to give the complex mode
5919         for a given mode.
5920         (GET_MODE_COMPLEX_MODE): Likewise.
5921         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
5922         stored by build_complex_type and gfc_build_complex_type instead of
5923         trying to figure out the appropriate mode based on the size. Raise
5924         an assertion error, if the type was not set.
5925         * genmodes.c (struct mode_data): Add field for the complex type of
5926         the given type.
5927         (blank_mode): Likewise.
5928         (make_complex_modes): Remember the complex mode created in the
5929         base type.
5930         (emit_mode_complex): Write out the mode_complex array to map a
5931         type mode to the complex version.
5932         (emit_insn_modes_c): Likewise.
5933         * tree.c (build_complex_type): Set the complex type to use before
5934         calling layout_type.
5935         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
5936         support for __float128 complex datatypes.
5937         (rs6000_hard_regno_mode_ok): Likewise.
5938         (rs6000_setup_reg_addr_masks): Likewise.
5939         (rs6000_complex_function_value): Likewise.
5940         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
5941         __float128 and __ibm128 complex.
5942         (FLOAT128_IBM_P): Likewise.
5943         (ALTIVEC_ARG_MAX_RETURN): Likewise.
5944         * doc/extend.texi (Additional Floating Types): Document that
5945         -mfloat128 must be used to enable __float128.  Document complex
5946         __float128 and __ibm128 support.
5948 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
5950         PR target/49244
5951         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
5952         char/short arguments promoted to int because of promote_prototypes.
5954 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
5956         * config/i386/predicates.md (register_ssemem_operand): New predicate.
5957         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
5958         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
5959         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
5960         alternatives using "enabled" attribute.  Use register_ssemem_operand
5961         as operand 1 predicate.
5962         (*cmpi<unord>xf_i387): Split XFmode pattern from
5963         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
5964         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
5965         *absneg<mode>2_i387.  Disable unsupported alternatives using
5966         "enabled" attribute.
5967         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
5969 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
5971         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
5972         marker.
5973         (oacc_loop_process): Check mask for loop termination.
5975 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
5977         * cif-code.def (CIF_THUNK): Add.
5978         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
5979         accidental change.
5981 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
5983         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
5984         (dump_inline_summary): Dump it.
5985         (fp_expression_p): New predicate.
5986         (estimate_function_body_sizes): Use it.
5987         (inline_merge_summary): Merge fp_expressions.
5988         (inline_read_section): Read fp_expressions.
5989         (inline_write_summary): Write fp_expressions.
5990         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
5991         codegen boundary if either caller or callee is !fp_expressions.
5992         * ipa-inline.h (inline_summary): Add fp_expressions.
5993         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
5994         to fp_expressions be sure the fp generation flags are updated.
5996 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
5998         PR rtl-optimization/70467
5999         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6001         PR rtl-optimization/70467
6002         * ipa-pure-const.c (check_call): Handle internal calls even in
6003         ipa mode like in local mode.
6005 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6007         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6009 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6011         * match.pd (X u< X, X u> X): New transformations.
6013 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6015         * flag-types.h (enum warn_strict_overflow_code): Move ...
6016         * coretypes.h: ... here.
6017         * fold-const.h (fold_overflow_warning): Declare.
6018         * fold-const.c (fold_overflow_warning): Make non-static.
6019         (fold_comparison): Move the transformation of X +- C1 CMP C2
6020         into X CMP C2 -+ C1 ...
6021         * match.pd: ... here.
6022         * gimple-fold.c (fold_stmt_1): Protect with
6023         fold_defer_overflow_warnings.
6025 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6027         * omp-low.c (struct oacc_loop): Add 'inner' field.
6028         (new_oacc_loop_raw): Initialize it to zero.
6029         (oacc_loop_fixed_partitions): Initialize it.
6030         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6031         available partitioning.
6033 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6035         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6036         register_operand.
6037         (umulsidi3): Likewise.
6038         (indirect_jump): Fix jump instruction assembly patterns.
6040 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6042         PR target/70860
6043         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6044         (nvptx_function_value): Assert non-NULL cfun.
6046 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6048         PR rtl-optimization/70886
6049         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6051         * cselib.h (rtx_equal_for_cselib_1): Declare.
6052         (rtx_equal_for_cselib_p: New inline function.
6053         * cselib.c (rtx_equal_for_cselib_p): Delete.
6054         (rtx_equal_for_cselib_1): Make public.
6056 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6058         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6059         (register_mixssei387nonimm_operand): Remove predicate.
6060         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6061         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6062         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6063         for TARGET_MIX_SSE_I387 alternatives.
6064         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
6065         Disable unsupported alternatives using "enabled" attribute.  Use
6066         nonimm_ssenomem_operand as operand 1 predicate.  Also check
6067         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
6069 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6071         * tree.c (cst_and_fits_in_hwi): Simplify.
6073 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6075         * tree.h (wi::to_wide): New function.
6076         * expr.c (expand_expr_real_1): Use wi::to_wide.
6077         * fold-const.c (int_const_binop_1): Likewise.
6078         (extract_muldiv_1): Likewise.
6080 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6082         * wide-int.h: Update offset_int and widest_int documentation.
6083         (WI_SIGNED_SHIFT_RESULT): New macro.
6084         (wi::binary_shift): Define signed_shift_result_type for
6085         shifts on offset_int- and widest_int-like types.
6086         (generic_wide_int): Support <<= and >>= if << and >> are supported.
6087         * tree.h (int_bit_position): Use shift operators instead of wi::
6088          shifts.
6089         * alias.c (adjust_offset_for_component_ref): Likewise.
6090         * expr.c (get_inner_reference): Likewise.
6091         * fold-const.c (fold_comparison): Likewise.
6092         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
6093         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
6094         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6095         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
6096         (stmt_kills_ref_p): Likewise.
6097         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
6098         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6099         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6100         (ao_ref_init_from_vn_reference): Likewise.
6102 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6104         * wide-int.h: Update offset_int and widest_int documentation.
6105         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
6106         (wi::binary_traits): Allow ordered comparisons between offset_int and
6107         offset_int, between widest_int and widest_int, and between either
6108         of these types and basic C types.
6109         (operator <, <=, >, >=): Define for the same combinations.
6110         * tree.h (tree_int_cst_lt): Use comparison operators instead
6111         of wi:: comparisons.
6112         (tree_int_cst_le): Likewise.
6113         * gimple-fold.c (fold_array_ctor_reference): Likewise.
6114         (fold_nonarray_ctor_reference): Likewise.
6115         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
6116         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
6117         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
6118         * tree-sra.c (completely_scalarize): Likewise.
6119         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
6120         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
6121         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
6122         (check_for_binary_op_overflow): Likewise.
6123         (search_for_addr_array): Likewise.
6124         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
6126 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6128         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
6129         (arc_save_restore): Likewise.
6130         (arc_dwarf_register_span): Likewise.
6131         (arc_output_pic_addr_const): Initialize suffix variable.
6133 2016-05-02  Martin Liska  <mliska@suse.cz>
6135         * symbol-summary.h (function_summary::function_summary):
6136         Remove checking assert for all cgraph nodes.
6137         (function_summary::get): Check summary_uid.
6138         (symtab_insertion): Check summary_uid.
6140 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6142         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
6143         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
6144         bmaskn instruction.
6145         (arc_dwarf_register_span): Remove enum keyword.
6146         (compact_memory_operand_p): New function.
6147         * config/arc/arc.h (reg_class): Add code density register classes.
6148         (REG_CLASS_NAMES): Likewise.
6149         (REG_CLASS_CONTENTS): Likewise.
6150         * config/arc/arc.md (*movqi_insn): Add code density instructions.
6151         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
6152         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
6153         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
6154         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
6155         constraints.
6156         (h, Rcd, Rsd, Rzd): New register constraints.
6157         (T): Use compact_memory_operand_p function.
6158         * config/arc/predicates.md (compact_load_memory_operand): Remove.
6160 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6162         * config/sh/sh.md (*negnegt, *movtt): Remove.
6164 2016-05-02  Marek Polacek  <polacek@redhat.com>
6165             Tom de Vries  <tom@codesourcery.com>
6167         PR tree-optimization/70700
6168         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
6169         bigger than FIRST_REF_NODE.
6171 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6173         PR target/52898
6174         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
6175         TARGET_CMPEQDI_T.
6176         (prepare_cbranch_operands): Don't use scratch register.  Assume that
6177         function is used when pseudos can be created.
6178         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
6179         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
6180         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
6181         define_expand.  Allow it only when pseudos can be created.
6182         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
6184 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
6186         * config/i386/constraints.md (BC): Only allow -1 operands.
6187         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
6188         Add "enabled" attribute.  Update XI mode attribute calculation.
6189         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
6190         (*movoi_internal_avx): Update XI mode attribute calculation.
6191         (*movti_internal): Ditto.
6193 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6195         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
6196         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6198 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
6200         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
6201         statement on instruction code.  Remove trailing spaces.
6202         (altivec_expand_stv_builtin): Likewise.
6204 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6206         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
6207         (TARGET_FPU_DOUBLE): Simplify.
6208         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6209         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
6210         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
6211         with 'TARGET_FPU_DOUBLE'.
6212         * config/sh/sh.md: Likewise.
6214 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
6216         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
6217         SH_DIV_STR_FOR_SIZE): Remove.
6218         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
6219         SH_DIV_STR_FOR_SIZE): Remove.
6221 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6223         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
6224         logical_reg_operand): Delete.
6225         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
6226         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
6227         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
6228         match_operand and match_test.
6229         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
6230         variables on their first use.  Return bool values.
6231         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
6232         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
6233         arith_reg_operand for input operand.  Remove empty constraints.
6234         (xorsi3): Delete.
6235         (*xorsi3_compact): Rename to xorsi3.
6236         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
6237         (*zero_extend<mode>si2_disp_mem): Update comment.
6238         (mov_nop): Delete.
6240 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6242         * config/sh/t-sh: Remove SH5 support.
6243         * config.gcc: Likewise.
6244         * configure: Likewise.
6246 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6248         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
6250 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6252         * config/sh/sh.c (register_sh_passes, sh_option_override,
6253         sh_print_operand, prepare_move_operands,
6254         sh_can_follow_jump): Remove TARGET_SH1 checks.
6255         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
6256         PROMOTE_MODE): Likewise.
6257         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
6258         movdi): Likewise.
6260 2016-04-30  Alan Modra  <amodra@gmail.com>
6262         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
6263         restoring when fixed_reg_p, but allow out-of-line or stmw save.
6264         Check for user regs later to avoid unnecessary looping over regs.
6265         Merge user reg check with non-saved reg check.  Don't force
6266         inline VR restore when static chain used.
6267         (rs6000_frame_related): Omit eh_frame info for user regs when
6268         saving.
6269         (fixed_regs_p): Delete.
6271 2016-04-30  Alan Modra  <amodra@gmail.com>
6273         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
6274         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
6275         Update all uses.
6277 2016-04-30  Alan Modra  <amodra@gmail.com>
6279         PR target/69645
6280         * config/rs6000/rs6000.c (fixed_reg_p): New function.
6281         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
6282         Update all uses.
6284 2016-04-30  Alan Modra  <amodra@gmail.com>
6286         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
6287         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
6288         flag_pic test for Darwin.
6290 2016-04-30  Alan Modra  <amodra@gmail.com>
6292         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
6293         throw_calls_crossed.
6294         (REG_FREQ_CALLS_CROSSED): Delete.
6295         (REG_N_THROWING_CALLS_CROSSED): Delete.
6296         * regstat.c (regstat_bb_compute_ri): Don't calculate
6297         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
6298         (dump_reg_info): Don't print call cross frequency.
6299         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
6300         and REG_N_THROWING_CALLS_CROSSED.
6302 2016-04-30  Alan Modra  <amodra@gmail.com>
6304         * regs.h (struct reg_info_t): Delete live_length.
6305         (REG_LIVE_LENGTH): Delete macro.
6306         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
6307         local_live, local_processed and local_live_last_luid params.
6308         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
6309         Formatting fixes.
6310         (regstat_compute_ri): Adjust for above.  Don't set
6311         REG_LIVE_LENGTH.
6312         (dump_reg_info): Don't print live length.
6313         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
6314         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
6315         Localize loop_depth var.
6317 2016-04-30  Alan Modra  <amodra@gmail.com>
6319         * ira.c (enum valid_equiv): New.
6320         (validate_equiv_mem): Return enum.
6321         (update_equiv_mem): Create replacement in more cases.
6322         (add_store_equivs): Update validate_equiv_mem call.
6324 2016-04-30  Alan Modra  <amodra@gmail.com>
6326         * ira.c (combine_and_move_insns): Rather than scanning insns,
6327         use DF infrastucture to find use and def insns.
6329 2016-04-30  Alan Modra  <amodra@gmail.com>
6331         ira.c (combine_and_move_insns): Move invariant conditions..
6332         (ira.c): ..to here.  Call combine_and_move_insns before
6333         add_store_equivs.  Call grow_reg_equivs later.  Allocate
6334         req_equiv later using max_reg_num() rather than global max_regno.
6335         (contains_replace_regs): Delete.
6336         (add_store_equivs): Remove contains_replace_regs test.
6338 2016-04-30  Alan Modra  <amodra@gmail.com>
6340         * ira.c (struct equiv_mem_data): New.
6341         (equiv_mem, equiv_mem_modified): Delete static vars.
6342         (validate_equiv_mem_from_store): Use "data" param to communicate..
6343         (validate_equiv_mem): ..from here.
6345 2016-04-30  Alan Modra  <amodra@gmail.com>
6347         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
6348         split out from..
6349         (update_reg_equivs): ..here.  Move allocation and freeing of
6350         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
6351         end_alias_analysis to..
6352         (ira): ..here.
6354 2016-04-30  Alan Modra  <amodra@gmail.com>
6356         * ira.c (pdx_subregs): Delete.
6357         (struct equivalence): Add pdx_subregs field.
6358         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
6359         pdx_subregs access.
6360         (update_equiv_regs): Don't create or free pdx_subregs.  Update
6361         pdx_subregs access.
6363 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6365         * config/rs6000/altivec.h: Change definitions of vec_xl and
6366         vec_xst.
6367         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
6368         (LD_ELEMREV_V2DI): New.
6369         (LD_ELEMREV_V4SF): New.
6370         (LD_ELEMREV_V4SI): New.
6371         (LD_ELEMREV_V8HI): New.
6372         (LD_ELEMREV_V16QI): New.
6373         (ST_ELEMREV_V2DF): New.
6374         (ST_ELEMREV_V2DI): New.
6375         (ST_ELEMREV_V4SF): New.
6376         (ST_ELEMREV_V4SI): New.
6377         (ST_ELEMREV_V8HI): New.
6378         (ST_ELEMREV_V16QI): New.
6379         (XL): New.
6380         (XST): New.
6381         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6382         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
6383         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
6384         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
6385         (altivec_expand_builtin): Add handling for
6386         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
6387         (rs6000_invalid_builtin): Add error-checking for
6388         RS6000_BTM_P9_VECTOR.
6389         (altivec_init_builtins): Define builtins used to implement vec_xl
6390         and vec_xst.
6391         (rs6000_builtin_mask_names): Define power9-vector.
6392         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
6393         (RS6000_BTM_P9_VECTOR): Define.
6394         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
6395         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
6396         (vsx_ld_elemrev_v2df): Likewise.
6397         (vsx_ld_elemrev_v4sf): Likewise.
6398         (vsx_ld_elemrev_v4si): Likewise.
6399         (vsx_ld_elemrev_v8hi): Likewise.
6400         (vsx_ld_elemrev_v16qi): Likewise.
6401         (vsx_st_elemrev_v2df): Likewise.
6402         (vsx_st_elemrev_v2di): Likewise.
6403         (vsx_st_elemrev_v4sf): Likewise.
6404         (vsx_st_elemrev_v4si): Likewise.
6405         (vsx_st_elemrev_v8hi): Likewise.
6406         (vsx_st_elemrev_v16qi): Likewise.
6407         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
6408         grammar.
6410 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
6412         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
6413         out into ...
6414         (simplify_control_stmt_condition_1): ... here.  Recurse into
6415         BIT_AND_EXPRs and BIT_IOR_EXPRs.
6417 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
6419         PR target/69810
6420         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
6421         (zero_extendqi<mode>2_dot): Revert earlier conversion from
6422         define_insn_and_split to define_insn.
6423         (zero_extendqi<mode>2_dot2): Same.
6424         (extendqi<mode>2_dot): Same.
6425         (extendqi<mode>2_dot2): Same.
6427 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6429         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
6430         (probe_stack): New expander.
6431         (probe_stack_<mode>): New insn pattern.
6433 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6435         * config/i386/i386.md
6436         (operations with memory inputs setting flags peephole2):
6437         Remove uneeded REG_P checks.  Cleanup pattern generation.
6439 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
6441         * tree-vect-loop.c (vect_transform_loop): Fix
6442         nb_iterations_upper_bound computation for vectorized loop.
6444 2016-04-29  Marek Polacek  <polacek@redhat.com>
6445             Jakub Jelinek  <jakub@redhat.com>
6447         PR sanitizer/70342
6448         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
6449         TARGET_EXPR_SLOT as a base.
6451 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
6453         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
6454         with 'rCm2' constraints to limit possible immediate size.
6455         (*load_zeroextendqisi_update): Likewise.
6456         (*load_signextendqisi_update): Likewise.
6457         (*loadhi_update): Likewise.
6458         (*load_zeroextendhisi_update): Likewise.
6459         (*load_signextendhisi_update): Likewise.
6460         (*loadsi_update): Likewise.
6461         (*loadsf_update): Likewise.
6463 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6465         * config/i386/predicates.md (constm1_operand): Fix comparison.
6467 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6469         * testsuite/gcc.target/arc/ieee_eq.c: New test.
6471 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
6473         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
6474         remaining SH5 related settings.
6475         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
6476         shmedia_prepare_call_address): Delete.
6477         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
6478         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
6479         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
6480         UNSUPPORTED_SH2A): Remove m5 checks.
6481         (sh_divide_strategy_e): Remove SH5 division strategies.
6482         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
6483         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
6485 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6487         * config/s390/s390.c (s390_rtx_costs): Update documentation.
6489 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6491         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
6492         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
6493         Change lder to ldr.
6494         * config/s390/vector.md ("mov<mode>"): Likewise.
6496 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
6498         * config/s390/constraints.md ("U", "W"): Invoke
6499         s390_mem_constraint with "ZR" and "ZT".
6500         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
6501         addresses when using LRA.  Accept also short displacements for S
6502         and T constraints.  Do not check for long displacement target for
6503         S and T constraints.
6504         (s390_mem_constraint): Remove handling of U and W constraints.
6505         * config/s390/s390.md (various patterns): Remove the short
6506         displacement constraints (Q and R) if a long displacement
6507         constraint is present.  Add longdisp as required CPU capability.
6508         * config/s390/vector.md: Likewise.
6509         * config/s390/vx-builtins.md: Likewise.
6511 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6513         PR target/60040
6514         * reload1.c (reload): Call finish_spills before
6515         restarting reload loop. Skip select_reload_regs
6516         if update_eliminables_and_spill returns true.
6518 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6520         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
6521         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
6522         (umulhisi3_imm): Update predicates and constraint letters.
6523         (umulhisi3_reg): Declare instruction as commutative.
6524         * config/arc/constraints.md (J12, J16): New constraints.
6525         * config/arc/predicates.md (short_unsigned_const_operand): New
6526         predicate.
6527         (arc_short_operand): Likewise.
6528         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
6530 2016-04-29  Richard Biener  <rguenther@suse.de>
6532         PR tree-optimization/13962
6533         PR tree-optimization/65686
6534         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
6535         * tree-ssa-alias.c (ptrs_compare_unequal): New function
6536         using PTA to compare pointers.
6537         * match.pd: Add pattern for pointer equality compare simplification
6538         using ptrs_compare_unequal.
6540 2016-04-29  Richard Biener  <rguenther@suse.de>
6542         * stor-layout.c (layout_type): Do not build a pointer-to-element
6543         type for arrays.
6545 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6547         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
6548         Use SWI mode iterator.  Use general_reg_operand predicate.
6549         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
6550         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
6551         predicates.
6553 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
6555         PR middle-end/70843
6556         * fold-const.c (operand_equal_p): Don't verify hash value equality
6557         if arg0 == arg1.
6558         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
6559         and OMP_CLAUSE.
6561 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
6563         PR target/70858
6564         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
6565         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
6566         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
6567         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
6568         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
6570 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
6572         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
6573         to info.  Don't initialize separate fields to 0.  Clean up
6574         formatting a bit.
6576 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
6578         * config/i386/i386.md (peephole2s for operations with memory inputs):
6579         Use SWI mode iterator.
6580         (peephole2s for operations with memory outputs): Ditto.
6581         Do not check for stack checking probe.
6583         (probe_stack): Remove expander.
6585 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6586             Andrew Burgess  <andrew.burgess@embecosm.com>
6588         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
6589         operands as 32-bits.
6591 2016-04-28  Jason Merrill  <jason@redhat.com>
6593         * gdbinit.in: Skip line-map.h.
6595 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6596             Andrew Burgess  <andrew.burgess@embecosm.com>
6598         * config/arc/arc.c (arc_conditional_register_usage): Take
6599         TARGET_RRQ_CLASS into account.
6600         (arc_print_operand): Support printing 'p' and 's' operands.
6601         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
6602         as 0.
6603         (TARGET_RRQ_CLASS): Define.
6604         (IS_POWEROF2_OR_0_P): Define.
6605         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
6606         alternatives.
6607         (*tst_movb): New define_insn.
6608         (*tst): Avoid recognition if it could prevent '*tst_movb'
6609         combination; replace c/CnL with c/Chs alternative.
6610         (*tst_bitfield_tst): New define_insn.
6611         (*tst_bitfield_asr): New define_insn.
6612         (*tst_bitfield): New define_insn.
6613         (andsi3_i): Add Rrq variant.
6614         (extzv): New define_expand.
6615         (insv): New define_expand.
6616         (*insv_i): New define_insn.
6617         (*movb): New define_insn.
6618         (*movb_signed): New define_insn.
6619         (*movb_high): New define_insn.
6620         (*movb_high_signed): New define_insn.
6621         (*movb_high_signed + 1): New define_split pattern.
6622         (*mrgb): New define_insn.
6623         (*mrgb + 1): New define_peephole2 pattern.
6624         (*mrgb + 2): New define_peephole2 pattern.
6625         * config/arc/arc.opt (mbitops): New option for nps400, uses
6626         TARGET_NPS_BITOPS_DEFAULT.
6627         * config/arc/constraints.md (q): Make register class conditional.
6628         (Rrq): New register constraint.
6629         (Chs): New constraint.
6630         (Clo): New constraint.
6631         (Chi): New constraint.
6632         (Cbf): New constraint.
6633         (Cbn): New constraint.
6634         (C18): New constraint.
6635         (Cbi): New constraint.
6637 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
6639         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
6640         dst->popcount.
6641         (bitmap_intersection_of_preds): Ditto.
6642         (bitmap_union_of_succs): Ditto.
6643         (bitmap_union_of_preds): Ditto.
6644         * sbitmap.c (do_popcount): Delete.
6645         (BITMAP_DEBUGGING): Delete.
6646         (sbitmap_verify_popcount): Delete.
6647         (sbitmap_alloc): Don't initialize the popcount field.
6648         (sbitmap_alloc_with_popcount): Delete.
6649         (sbitmap_resize): Don't resize the popcount array.
6650         (sbitmap_vector_alloc): Don't initialize the popcount field.
6651         (bitmap_copy): Don't copy the popcount array.
6652         (bitmap_clear): Don't clear the popcount array.
6653         (bitmap_clear): Delete the popcount array handling.
6654         (bitmap_ior_and_compl): Delete the popcount assert.
6655         (bitmap_not): Ditto.
6656         (bitmap_and_compl): Ditto.
6657         (bitmap_and): Delete the popcount array handling.
6658         (bitmap_xor): Ditto.
6659         (bitmap_ior): Ditto.
6660         (bitmap_or_and): Delete the popcount assert.
6661         (bitmap_and_or): Ditto.
6662         (popcount_table): Delete.
6663         (sbitmap_elt_popcount): Delete.
6664         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
6665         (bitmap_set_bit): Delete the popcount assert.
6666         (bitmap_clear_bit): Ditto.
6667         (sbitmap_free): Don't free the popcount array.
6668         (sbitmap_alloc_with_popcount): Delete declaration.
6669         (sbitmap_popcount): Ditto.
6671 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6672             Andrew Burgess  <andrew.burgess@embecosm.com>
6674         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
6675         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
6676         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
6677         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
6678         * config/arc/arc.opt (mcmem): New option.
6679         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
6680         supply length for r/m alternative.
6681         (*extendqisi2_ac): Likewise.
6682         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
6683         r/Uex alternative.
6684         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
6685         (movhi_insn): Likewise.
6686         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
6687         (*zero_extendqihi2_i): Add r/Ucm alternative.
6688         (*zero_extendqisi2_ac): Likewise.
6689         (*zero_extendhisi2_i): Likewise.
6690         * config/arc/constraints.md (Uex): New memory constraint.
6691         (Ucm): New define_constraint.
6692         * config/arc/predicates.md (long_immediate_loadstore_operand):
6693         Return 0 for MEM with cmem_address address.
6694         (cmem_address_0): New predicates.
6695         (cmem_address_1): Likewise.
6696         (cmem_address_2): Likewise.
6697         (cmem_address): Likewise.
6699 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
6701         * config/rs6000/rs6000.c (machine_function): Rename
6702         insn_chain_scanned_p to spe_insn_chain_scanned_p.
6703         (rs6000_stack_info): Adjust.
6705 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6706             Andrew Burgess  <andrew.burgess@embecosm.com>
6708         * config/arc/constraints.md (Usd): Convert to define_constraint.
6709         (Us<): Likewise.
6710         (Us>): Likewise.
6712 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
6714         PR target/70821
6715         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
6716         Add new peephole2 where the first insn is *mov<mode>_or instead of
6717         *mov<mode>_internal.
6719 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
6721         * tracer.c (bb_seen): Make static.
6723 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
6725         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
6726         support, setup defaults.
6727         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
6728         * config/arc/arc.c (arc_init): Add NPS400 support.
6729         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
6730         (TARGET_ARC700): NPS400 is also an ARC700.
6731         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
6733 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
6735         PR target/70668
6736         * config/nds32/nds32.md (casesi): Don't access the operands array
6737         out of bounds.
6739 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
6741         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
6742         (or $-1,reg peephole2): Ditto.
6743         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
6745 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
6747         * doc/extend.texi (Common Function Attributes) [optimize]:
6748         Discourage use of the optimize attribute.
6750 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
6752         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
6753         special case builtin.
6754         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
6755         ALTIVEC_BUILTIN_VEC_ADDE.
6756         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
6757         support for ALTIVEC_BUILTIN_VEC_ADDE.
6758         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
6759         for __builtin_vec_adde.
6761 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
6763         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
6764         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
6766 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6768         PR testsuite/70595
6769         * doc/sourcebuild.texi (Effective-Target Keywords, Other
6770         attributes): Document cilkplus_runtime.
6772 2016-04-28  Martin Jambor  <mjambor@suse.cz>
6774         * tree-cfg.c (verify_expr): Verify that local declarations belong to
6775         this function.  Call verify_expr on MEM_REFs and bases of other
6776         handled_components.
6778 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6780         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
6781         for WORD_REGISTER_OPERATIONS to runtime check.
6783 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
6785         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
6787 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
6789         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
6790         big-endian compilation.
6791         * config/arc/arc.md (addf3): Likewise.
6792         (subdf3): Likewise.
6793         (muldf3): Likewise.
6795 2016-04-28  Richard Biener  <rguenther@suse.de>
6797         PR tree-optimization/70840
6798         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
6799         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
6800         Mark x * pow(x,c) -> pow(x,c+1) commutative.
6801         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
6803 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6805         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
6806         and explain why in a comment.
6808 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
6810         * config/arc/arc.md (cpu_facility): Add fpx variant.
6811         (subdf3): Prohibit use reverse sub when assist operations option
6812         is enabled.
6813         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
6814         instructions only when FPX is enabled.
6815         * testsuite/gcc.target/arc/trsub.c: New test.
6817 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
6819         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
6820         mult_operator when calculating "type" attribute.
6821         (*fop_<mode>_1_i387): Ditto.
6822         (*fop_xf_1_i387): Ditto.
6823         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
6824         Use std::swap to swap operands.  Use RTL expressions to generate
6825         converted pattern.
6827 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
6828             Joern Rennecke  <joern.rennecke@embecosm.com>
6830         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
6831         declaration.
6832         (emit_pic_move): Remove.
6833         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
6834         * config/arc/arc.c (emit_pic_move): Removed.
6835         (TARGET_HAVE_TLS): Define.
6836         (arc_conditional_register_usage): Test for arc_tp_regno.
6837         (arc_print_operand, arc_print_operand_address): Handle TLS
6838         unspecs.
6839         (arc_needs_pcl_p): New function.
6840         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
6841         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
6842         (arc_raw_symbolic_reference_mentioned_p): Likewise.
6843         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
6844         (arc_legitimize_tls_address): Likewise.
6845         (DTPOFF_ZERO_SYM): Define.
6846         (arc_legitimize_pic_address): Make it static, handle TLS cases.
6847         (arc_output_pic_addr_const): Print TLS unspecs.
6848         (prepare_pic_move): New function, replaces emit_pic_move.
6849         (arc_legitimate_constant_p): Handle TLS unspecs.
6850         (arc_legitimate_address_p): Likewise.
6851         (arc_rewrite_small_data_p): Use assert for TLS constants.
6852         (prepare_move_operands): Use prepare_pic_move.
6853         (arc_legitimize_address): Legitimize tls addresses.
6854         (arc_epilogue_uses): Check for arc_tp_regno.
6855         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
6856         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
6857         Define.
6858         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
6859         Likewise.
6860         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
6861         %(arc_tls_extra_start_spec).
6862         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
6863         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
6864         (EH_USES): Define.
6865         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
6866         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
6867         (UNSPEC_TLS_OFF): Add.
6868         (R10_REG): Define.
6869         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
6870         (get_thread_pointersi): New patterns.
6871         * config/arc/arc.opt (mtp-regno): New option.
6872         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
6873         (move_dest_operand): Likewise.
6874         * configure: Regenerate.
6875         * configure.ac: Add arc*-*-* case to test for tls.
6876         * doc/invoke.texi (ARC options): Document mtp-regno.
6878 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
6880         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
6881         the new ARC HS SIMD instructions.
6882         (arc_preferred_simd_mode): New function.
6883         (arc_autovectorize_vector_sizes): Likewise.
6884         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
6885         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
6886         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
6887         (arc_init_builtins): Add new SIMD builtin types.
6888         (arc_split_move): Handle 64 bit vector moves.
6889         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
6890         (TARGET_PLUS_QMACW): Define.
6891         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
6892         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
6893         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
6894         (VSUBADD4H): New builtins.
6895         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
6896         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
6898 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
6899             Matthias Klose  <doko@debian.org>
6901         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
6903 2016-04-28  Richard Biener  <rguenther@suse.de>
6905         PR middle-end/70777
6906         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
6907         canonicalization.
6909 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
6911         * common/config/sh/sh-common.c: Remove SH5 support.
6912         * config/sh/constraints.md: Likewise.
6913         * config/sh/config/sh/elf.h: Likewise.
6914         * config/sh/linux.h: Likewise.
6915         * config/sh/netbsd-elf.h: Likewise.
6916         * config/sh/predicates.md: Likewise.
6917         * config/sh/sh-c.c: Likewise.
6918         * config/sh/sh-protos.h: Likewise.
6919         * config/sh/sh.c: Likewise.
6920         * config/sh/sh.h: Likewise.
6921         * config/sh/sh.md: Likewise.
6922         * config/sh/sh.opt: Likewise.
6923         * config/sh/sync.md: Likewise.
6924         * config/sh/sh64.h: Delete.
6925         * config/sh/shmedia.h: Likewise.
6926         * config/sh/shmedia.md: Likewise.
6927         * config/sh/sshmedia.h: Likewise.
6928         * config/sh/t-netbsd-sh5-64: Likewise.
6929         * config/sh/t-sh64: Likewise.
6930         * config/sh/ushmedia.h: Likewise.
6932 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
6934         * config/i386/i386.md (sign_extend to memory peephole2s): Use
6935         general_reg_operand instead of register_operand predicate.
6937 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6939         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
6941 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
6943         * match.pd (A - B > A, A + B < A): New transformations.
6945 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
6947         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
6948         which defaults to true.  Emit an outer pair of parentheses only if
6949         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
6950         don't emit parentheses for the right-hand operand.
6952 2016-04-27  Jeff Law  <law@redhat.com>
6954         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
6956 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6958         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
6959         (altivec_lvx_<mode>_internal): Document.
6960         (altivec_lvx_<mode>_2op): New define_insn.
6961         (altivec_lvx_<mode>_1op): Likewise.
6962         (altivec_lvx_<mode>_2op_si): Likewise.
6963         (altivec_lvx_<mode>_1op_si): Likewise.
6964         (altivec_stvx_<mode>): Remove.
6965         (altivec_stvx_<mode>_internal): Document.
6966         (altivec_stvx_<mode>_2op): New define_insn.
6967         (altivec_stvx_<mode>_1op): Likewise.
6968         (altivec_stvx_<mode>_2op_si): Likewise.
6969         (altivec_stvx_<mode>_1op_si): Likewise.
6970         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6971         Expand vec_ld and vec_st during parsing.
6972         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
6973         changes.
6974         (altivec_expand_stvx_be): Likewise.
6975         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
6976         address-masking behavior in RTL.
6977         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
6978         address-masking behavior in RTL.
6979         (altivec_expand_builtin): Change builtin code arguments for calls
6980         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
6981         (insn_is_swappable_p): Avoid incorrect swap optimization in the
6982         presence of lvx/stvx patterns.
6983         (alignment_with_canonical_addr): New function.
6984         (alignment_mask): Likewise.
6985         (find_alignment_op): Likewise.
6986         (recombine_lvx_pattern): Likewise.
6987         (recombine_stvx_pattern): Likewise.
6988         (recombine_lvx_stvx_patterns): Likewise.
6989         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
6990         stvx patterns from expand.
6991         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
6992         expansions.
6993         (vector_altivec_store_<mode>): Likewise.
6995 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
6997         * config/aarch64/aarch64.md
6998         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
6999         remove the "fp" attributes.
7000         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7001         add the "simd" attributes.
7002         (*movdf_aarch64): Likewise.
7003         (*movtf_aarch64): Remove the "fp" attributes.
7004         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7005         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7007 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7009         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7010         rtx to rtx_code_label *.
7011         * rtl.h (maybe_set_first_label_num): Likewise.
7013 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7015         * df-core.c (df_add_problem): Make the problem param be const.
7016         (df_remove_problem): Make local "problem" be const.
7017         * df-problems.c (problem_RD): Make const.
7018         (problem_LR): Likewise.
7019         (problem_LIVE): Likewise.
7020         (problem_MIR): Likewise.
7021         (problem_CHAIN): Likewise.
7022         (problem_WORD_LR): Likewise.
7023         (problem_NOTE): Likewise.
7024         (problem_MD): Likewise.
7025         * df-scan.c (problem_SCAN): Likewise.
7026         * df.h (struct df_problem): Make field "dependent_problem" be
7027         const.
7028         (struct dataflow): Likewise for field "problem".
7029         (df_add_problem): Make param const.
7031 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7033         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7034         inter-unit moves to/from vector registers are enabled.  Do not disable
7035         for TARGET_MMX.
7037 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7039         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7040         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7041         #define to...
7042         (enum df_problem_id): ...this new enum.
7043         (struct df_problem): Convert field "id" from "int" to
7044         enum df_problem_id.
7046 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7048         * rtl.def: Update comment for "things in the instruction chain" to
7049         reflect the removal of the leading "i" field for INSN_UID in
7050         r210360.  Fix bogus apostrophe.
7052 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7054         * config/i386/i386.md
7055         (lea arith with mem operand + setcc peephole2): Set operator mode.
7057 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7059         PR target/70155
7060         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7061         (dimode_scalar_to_vector_candidate_p): This.
7062         (timode_scalar_to_vector_candidate_p): New function.
7063         (scalar_to_vector_candidate_p): Likewise.
7064         (timode_check_non_convertible_regs): Likewise.
7065         (timode_remove_non_convertible_regs): Likewise.
7066         (remove_non_convertible_regs): Likewise.
7067         (remove_non_convertible_regs): Renamed to ...
7068         (dimode_remove_non_convertible_regs): This.
7069         (scalar_chain::~scalar_chain): Make it virtual.
7070         (scalar_chain::compute_convert_gain): Make it pure virtual.
7071         (scalar_chain::mark_dual_mode_def): Likewise.
7072         (scalar_chain::convert_insn): Likewise.
7073         (scalar_chain::convert_registers): Likewise.
7074         (scalar_chain::add_to_queue): Make it protected.
7075         (scalar_chain::emit_conversion_insns): Likewise.
7076         (scalar_chain::replace_with_subreg): Likewise.
7077         (scalar_chain::replace_with_subreg_in_insn): Likewise.
7078         (scalar_chain::convert_op): Likewise.
7079         (scalar_chain::convert_reg): Likewise.
7080         (scalar_chain::make_vector_copies): Likewise.
7081         (scalar_chain::convert_registers): New pure virtual function.
7082         (class dimode_scalar_chain): New class.
7083         (class timode_scalar_chain): Likewise.
7084         (scalar_chain::mark_dual_mode_def): Renamed to ...
7085         (dimode_scalar_chain::mark_dual_mode_def): This.
7086         (timode_scalar_chain::mark_dual_mode_def): New function.
7087         (timode_scalar_chain::convert_insn): Likewise.
7088         (dimode_scalar_chain::convert_registers): Likewise.
7089         (scalar_chain::compute_convert_gain): Renamed to ...
7090         (dimode_scalar_chain::compute_convert_gain): This.
7091         (scalar_chain::replace_with_subreg): Renamed to ...
7092         (dimode_scalar_chain::replace_with_subreg): This.
7093         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
7094         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
7095         (scalar_chain::make_vector_copies): Renamed to ...
7096         (dimode_scalar_chain::make_vector_copies): This.
7097         (scalar_chain::convert_reg): Renamed to ...
7098         (dimode_scalar_chain::convert_reg ): This.
7099         (scalar_chain::convert_op): Renamed to ...
7100         (dimode_scalar_chain::convert_op): This.
7101         (scalar_chain::convert_insn): Renamed to ...
7102         (dimode_scalar_chain::convert_insn): This.
7103         (scalar_chain::convert): Call convert_registers.
7104         (convert_scalars_to_vector): Change to scalar_chain pointer to
7105         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
7106         in 32-bit mode.  Delete scalar_chain pointer.  Call
7107         free_dominance_info in 64-bit mode.
7108         (pass_stv::gate): Remove TARGET_64BIT check.
7109         (ix86_option_override): Put the 64-bit STV pass before the CSE
7110         pass.
7112 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
7114         * dwarf2out.h (struct dw_loc_descr_node): Remove the
7115         dw_loc_frame_offset field.
7116         * dwarf2out.c (new_loc_descr): Likewise.
7117         (resolve_args_picking_1): Turn the VISITED hash set into a
7118         FRAME_OFFSET hash map. Use it to associate a frame offset to
7119         visited nodes. Remove uses of the CHECKING_P macro.
7120         (resolve_args_picking): Update call to resolve_args_picking_1.
7122 2016-04-27  Martin Liska  <mliska@suse.cz>
7124         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
7125         (free_loop_data): Release vuses of groups.
7127 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
7129         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
7130         instead of redundant use_id and boolean have_use_for.
7131         (struct iv_use): Change sub_id into group_id.  Remove field next.
7132         Move fields: related_cands, n_map_members, cost_map and selected
7133         to ...
7134         (struct iv_group): ... here.  New structure.
7135         (struct iv_common_cand): Use structure declaration directly.
7136         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
7137         (MAX_CONSIDERED_USES): Rename macro to ...
7138         (MAX_CONSIDERED_GROUPS): ... here.
7139         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
7140         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
7141         (dump_uses): Rename to ...
7142         (dump_groups): ... here.  Update all uses.
7143         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
7144         (find_induction_variables): Refactor format of dump information.
7145         (record_sub_use): Delete.
7146         (record_use): Update all uses.
7147         (record_group): New function.
7148         (record_group_use, find_interesting_uses_op): Call above functions.
7149         Update all uses.
7150         (find_interesting_uses_cond): Ditto.
7151         (group_compare_offset): New function.
7152         (split_all_small_groups): Rename to ...
7153         (split_small_address_groups_p): ... here.  Update all uses.
7154         (split_address_groups):  Update all uses.
7155         (find_interesting_uses): Refactor format of dump information.
7156         (add_candidate_1): Update all uses.  Remove redundant check on iv,
7157         base and step.
7158         (add_candidate, record_common_cand): Remove redundant assert.
7159         (add_iv_candidate_for_biv): Update use.
7160         (add_iv_candidate_derived_from_uses): Update all uses.
7161         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
7162         (alloc_use_cost_map): Ditto.
7163         (set_use_iv_cost, get_use_iv_cost): Rename to ...
7164         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
7165         (determine_use_iv_cost_generic): Ditto.
7166         (determine_group_iv_cost_generic): Ditto.
7167         (determine_use_iv_cost_address): Ditto.
7168         (determine_group_iv_cost_address): Ditto.
7169         (determine_use_iv_cost_condition): Ditto.
7170         (determine_group_iv_cost_cond): Ditto.
7171         (determine_use_iv_cost): Ditto.
7172         (determine_group_iv_cost): Ditto.
7173         (set_autoinc_for_original_candidates): Update all uses.
7174         (find_iv_candidates): Update all uses.  Refactor dump information.
7175         (determine_use_iv_costs): Ditto.
7176         (determine_iv_costs): Ditto.
7177         (iv_ca_cand_for_use): Rename to ...
7178         (iv_ca_cand_for_group): ... here.  Update all uses.
7179         (iv_ca_add_use, iv_ca_add_group): Ditto.
7180         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
7181         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
7182         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
7183         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
7184         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
7185         (create_new_iv, adjust_iv_update_pos): Ditto.
7186         (rewrite_use_address): Delete.
7187         (rewrite_use_address_1): Rename to ...
7188         (rewrite_use_address): ... here.
7189         (rewrite_use_compare): Update all uses.
7190         (rewrite_use): Delete.
7191         (rewrite_uses): Rename to ...
7192         (rewrite_groups): ... here.  Update all uses.
7193         (remove_unused_ivs, free_loop_data): Update all uses.
7194         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
7196 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7198         * rtlanal.c (nonzero_bits1): Convert preprocessor check
7199         for WORD_REGISTER_OPERATIONS to runtime check.
7201 2016-04-27  Richard Biener  <rguenther@suse.de>
7203         PR ipa/70760
7204         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
7205         aggregate_value_p to determine if a function result is
7206         returned by reference.
7207         (ipa_pta_execute): Functions having their address taken are
7208         not automatically nonlocal.
7210 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7212         PR sanitizer/70683
7213         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
7214         * fold-const.c (operand_equal_p): If flag_checking and
7215         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
7216         and if it returns non-zero, assert iterative_hash_expr on both
7217         args is the same.
7219 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7221         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
7223 2016-04-27  Nick Clifton  <nickc@redhat.com>
7225         PR middle-end/49889
7226         * varasm.c (merge_weak): Generate an error if an attempt is made
7227         to convert a non-weak static function into a weak, public function.
7229 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7231         * params.def (MAX_PARTITION_SIZE): New param.
7232         * doc/invoke.texi: Document lto-max-partition.
7234 2016-04-27  Richard Biener  <rguenther@suse.de>
7236         PR ipa/70785
7237         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
7238         function cummulating used_from_other_partition, externally_visible
7239         and force_output from aliases.
7240         (refered_from_nonlocal_var): Likewise.
7241         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
7242         node flags properly.
7244 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7246         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
7247         (-Wmemset-elt-size): New item.
7249 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
7251         PR ada/70759
7252         * stor-layout.h (internal_reference_types): Delete.
7253         * stor-layout.c (reference_types_internal): Likewise.
7254         (internal_reference_types): Likewise.
7255         (layout_type) <REFERENCE_TYPE>: Adjust.
7257 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7259         PR sanitizer/70683
7260         * tree.h (inchash::add_expr): Add FLAGS argument.
7261         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
7262         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
7263         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
7264         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
7265         if swap_tree_comparison (code) is smaller than code, hash that
7266         and arguments in the other order.  Hash CONVERT_EXPR the same
7267         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
7268         of ADDR_EXPR of decl as the decl itself.  Add or remove
7269         OEP_ADDRESS_OF from recursive flags as needed.  For
7270         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
7271         operands commutatively and only the third one normally.
7272         For internal CALL_EXPR hash in CALL_EXPR_IFN.
7274 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7276         * config/rtems.h (LIB_SPEC): Add -latomic.
7278 2016-04-27  Joel Sherrill  <joel@rtems.org>
7280         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
7281         xilink.ld and flags not relevant to RTEMS.
7283 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
7285         * toplev.c (backend_init_target): Avoid calling init_reload when using
7286         LRA.
7288 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7290         * reorg.c (try_merge_delay_insns): Declare i and j inside the
7291         for loops rather than one for the whole function.
7293 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7295         * match.pd (X + CST CMP X): New transformation.
7297 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7299         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
7300         * fold-const.c (fold_binary_loc): Remove 2 transformations
7301         superseded by match.pd.
7302         * match.pd (x+x -> x*2): Generalize to integers.
7304 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
7306         * config/i386/i386.md (operation on memory peephole): Duplicate an
7307         existing peephole and adapt it to match lea rather than an operation
7308         that clobbers CC.
7310         PR rtl-optimization/57193
7311         * opts.c (default_options_table): Add OPT_frename_registers at -O2
7312         and above.
7313         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
7315 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7317         * tree-if-conv.c (any_pred_load_store): New static variable.
7318         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
7319         any_pred_load_store instead of and_mask_load_store.
7320         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
7321         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
7322         (combine_blocks, tree_if_conversion): Ditto.
7324 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7326         PR tree-optimization/70771
7327         PR tree-optimization/70775
7328         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
7329         virtual PHI nodes.  Delete parameter.
7330         (if_convertible_loop_p_1): Delete argument to above function.
7331         (predicate_all_scalar_phis): Delete code handling single-argument
7332         PHIs.
7333         (tree_if_conversion): Mark and update virtual SSA.
7335 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7337         PR target/61821
7338         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
7339         (x86_elf_aligned_common): Rename to ...
7340         (x86_elf_aligned_decl_common): ... this.
7341         Add decl arg.  Switch to .lbss for largecomm object.  Use
7342         LARGECOMM_SECTION_ASM_OP.
7343         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
7344         renaming.
7345         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
7346         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
7347         Pass new decl arg.
7348         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7349         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
7351 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7353         PR target/59407
7354         * config/i386/i386.c (SECTION_LARGE): Define.
7355         (x86_64_elf_select_section): Set it for large data/bss sections.
7356         Only clear SECTION_WRITE for .lrodata.
7357         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
7358         data/bss sections.
7359         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
7360         * varasm.c (default_elf_asm_named_section): Grow flagchars.
7361         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
7362         SECTION_MACH_DEP.
7363         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
7364         * doc/tm.texi: Regenerate.
7366 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7368         PR bootstrap/70704
7369         * configure.ac (--enable-checking): Document extra flag, for
7370         non-release builds default to --enable-checking=yes,extra.
7371         If misc checking and extra checking, define CHECKING_P to 2 instead
7372         of 1.
7373         * common.opt (fchecking=): Add.
7374         * doc/invoke.texi (-fchecking=): Document.
7375         * doc/install.texi: Document --enable-checking changes.
7376         * configure: Regenerated.
7377         * config.in: Regenerated.
7379 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7381         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
7382         attribute instead of which_alternative.
7383         * config/i386/sse.md (*mov<mode>_internal): Ditto.
7384         Use EXT_REX_SSE_REG_P where appropriate.
7386 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7388         * config/i386/predicates.md (const0_operand): Do not match
7389         const_wide_int code.
7390         (const1_operand): Ditto.
7392 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7394         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
7395         for SSE constm1 operands and TARGET_AVX512VL.
7396         (*movti_internal): Ditto.
7397         (*mov<mode>_or): Use constm1_operand predicate.
7398         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
7399         for SSE vector_all_ones operands and TARGET_AVX512VL.
7400         * config/i386/predicates.md (constm1_operand): New predicate.
7401         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
7402         emission of constant -1 load.
7404 2016-04-25  Jason Merrill  <jason@redhat.com>
7406         * gdbinit.in: Skip is-a.h.
7408         * attribs.c (register_scoped_attributes): Fix logic.
7409         * attribs.h: Declare register_scoped_attributes.
7411 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7413         * config/rs6000/rs6000-builtin.def: Correct pasto error for
7414         stxvd2x and stxvw4x built-in functions.
7416 2016-04-25  DJ Delorie  <dj@redhat.com>
7418         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
7419         (ashrhi3): Likewise.
7420         (lshrhi3): Likewise.
7422 2016-04-25  Richard Biener  <rguenther@suse.de>
7424         PR tree-optimization/70780
7425         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
7426         wasn't visited yet.
7427         (compute_antic): Mark blocks with abnormal preds as visited as
7428         they have a final empty antic-in solution already.
7430 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7432         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
7434 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7436         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
7437         mode is VQI to improve mixed mode vectorization.
7438         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
7439         define_insn to match low half of signed vaddw.
7440         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
7441         define_insn to match high half of signed vaddw.
7442         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
7443         define_insn to match low half of unsigned vaddw.
7444         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
7445         define_insn to match high half of unsigned vaddw.
7446         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
7447         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7448         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
7449         for new function.
7450         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7451         * config/arm/predicates.md (vect_par_constant_high): Support
7452         big endian and simplify by calling
7453         arm_simd_check_vect_par_cnst_half
7454         (vect_par_constant_low): Likewise.
7456 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7458         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
7459         predicate for operand 2.
7461 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
7462             H.J. Lu  <hongjiu.lu@intel.com>
7464         * config/i386/i386-protos.h (standard_sse_constant_p): Add
7465         machine_mode argument.
7466         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
7467         constm1_rtx operands.  For VOIDmode constants, get mode from
7468         pred_mode.  Check mode size if the mode is supported by ABI.
7469         (standard_sse_constant_opcode): Do not use standard_constant_p.
7470         Strictly check ABI support for all-ones operands.
7471         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
7472         immediates. Update calls to standard_sse_constant_p.
7473         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
7474         (ix86_rtx_costs): Ditto.
7475         * config/i386/i386.md (*movxi_internal_avx512f): Use
7476         nonimmediate_or_sse_const_operand instead of vector_move_operand.
7477         Use (v,BC) alternative instead of (v,C). Use register_operand
7478         checks instead of MEM_P.
7479         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
7480         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
7481         isa attribute.  Use register_operand checks instead of MEM_P.
7482         (*movti_internal): Use nonimmediate_or_sse_const_operand for
7483         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
7484         alternative and corresponding sse2 isa attribute.
7485         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
7486         to standard_sse_constant_p.
7487         (FP constant splitters): Ditto.
7488         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
7489         (C): Ditto.
7490         * config/i386/predicates.md (constm1_operand): Remove.
7491         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
7492         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
7493         vector_all_ones_operand instead of constm1_operand.
7495 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7497         * print-rtl.c (print_rtx_insn_vec): New function.
7498         * print-rtl.h: New prototype.
7499         * store-motion.c (struct st_expr): Make avail_stores a vector.
7500         (st_expr_entry): Adjust.
7501         (free_st_expr_entry): Likewise.
7502         (print_store_motion_mems): Likewise.
7503         (find_moveable_store): Likewise.
7504         (compute_store_table): Likewise.
7505         (delete_store): Likewise.
7506         (build_store_vectors): Likewise.
7508 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7510         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
7512 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7514         * vec.h (vec_safe_contains): New function.
7515         (vec::contains): Likewise.
7516         (vec::begin): Likewise.
7517         (vec::end): Likewise.
7519 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
7521         PR sanitizer/70712
7522         * cfgexpand.c (expand_stack_vars): Fix typo.
7524 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7526         * system.h (list, map, set, vector): Include conditionally.
7527         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
7528         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
7529         * ipa-icf.c (INCLUDE_LIST): Define.
7530         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
7531         * config/sh/sh.c (INCLUDE_VECTOR): Define.
7532         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
7533         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
7534         * cp/logic.cc (INCLUDE_LIST): Define.
7535         * fortran/trans-common.c (INCLUDE_MAP): Define.
7537 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7539         * auto-profile.c: Remove <string.h> include.
7540         * ipa-icf-gimple.c: Remove <list> include.
7541         * diagnostic.c: Remove <new> include.
7542         * genmatch.c: Likewise.
7543         * pretty-print.c: Likewise.
7544         * toplev.c: Likewise
7545         * c/c-objc-common.c: Likewise.
7546         * cp/error.c: Likewise.
7547         * fortran/error.c: Likewise.
7549 2016-04-22  Richard Biener  <rguenther@suse.de>
7551         * lto-streamer-in.c (input_ssa_names): Do not allocate
7552         GIMPLE_NOP for all SSA names.
7553         * lto-streamer-out.c (output_ssa_names): Do not output
7554         SSA names that should have been released.
7556 2016-04-22  Richard Biener  <rguenther@suse.de>
7558         PR tree-optimization/70740
7559         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
7560         VDEF.
7562 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
7564         PR target/70750
7565         * config/i386/predicates.md (call_insn_operand): Replace
7566         sibcall_memory_operand with memory_operand.
7568 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
7570         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
7571         has_single_use() tests.
7572         (register_edge_assert_for_1): Likewise.
7573         (find_assert_locations_1): Check the liveness bitmap instead of
7574         checking has_single_use().
7576 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7578         PR target/70728
7579         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
7580         Extract AVX-512BW constraint from AVX.
7582 2016-04-21  Richard Biener  <rguenther@suse.de>
7584         PR tree-optimization/70725
7585         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
7586         for phi_convertible_by_degenerating_args.
7587         (predicate_all_scalar_phis): Handle single-argument PHIs.
7589 2016-04-21  Richard Biener  <rguenther@suse.de>
7591         PR middle-end/70747
7592         * fold-const.c (fold_comparison): Return properly typed
7593         constant boolean.
7595 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
7597         PR tree-optimization/70715
7598         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
7599         after expanding BASE using expand_simple_operations.
7601 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
7603         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
7604         New transformations.
7606 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
7608         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
7610 2016-04-20  Jan Hubicka  <jh@suse.cz>
7612         * ipa-inline.c (can_inline_edge_p): Pass caller info to
7613         ultiimate_alias_target.
7614         (update_callee_keys): Likewise.
7615         (lookup_recursive_calls): Likewise.
7616         (speculation_useful_p): Likewise.
7618 2016-04-20  Jan Hubicka  <jh@suse.cz>
7620         PR ipa/70018
7621         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
7622         (set_nothrow_flag_1): ... this; handle interposition correctly;
7623         recurse on aliases and thunks.
7624         (cgraph_node::set_nothrow_flag): New.
7625         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
7626         functions compiled with non-call exceptions that binds to current
7627         def.
7628         (propagate_nothrow): Be safe WRT interposition.
7629         * cgraph.h (set_nothrow_flag): Update prototype.
7631 2016-04-18  Jan Hubicka  <jh@suse.cz>
7633         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7634         max_loop_iterations_int.
7635         (tree_unswitch_outer_loop): Likewise.
7637 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
7639         PR tree-optimization/69489
7640         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
7641         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
7642         Revise dump message.
7643         (if_convertible_bb_p): Remove check on edge count of basic block's
7644         predecessors.
7646 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
7648         PR tree-optimization/56625
7649         PR tree-optimization/69489
7650         * tree-data-ref.h (DR_INNERMOST): New macro.
7651         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
7652         hashing struct innermost_loop_behavior.
7653         (ref_DR_map): Remove.
7654         (innermost_DR_map): New map.
7655         (baseref_DR_map): Revise comment.
7656         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
7657         to innermost_DR_map accroding to its innermost loop behavior.
7658         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
7659         to its innermost loop behavior.
7660         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
7661         Add initialization for innermost_DR_map.  Record memory reference
7662         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
7663         have innermost loop behavior.
7664         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
7665         innermost_DR_map.
7667 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
7669         * config/i386/i386.md (*lea<mode>_general_1): Rename from
7670         *lea_general_1.  Use explicit SWI12 mode interator.
7671         (*lea<mode>_general_2): Rename from *lea_general_2.
7672         Use explicit SWI12 mode interator.
7673         (*lea<mode>_general_3): Rename from *lea_general_3.
7674         Use explicit SWI12 mode interator.
7675         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
7676         Use explicit SWI12 mode interator.
7677         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
7678         Use explicit SWI48 mode interator.
7680 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
7682         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
7683         Short-cut unaligned load and store cases.  Handle all integer
7684         vector modes.
7685         (ix86_expand_vector_move_misalign): Short-cut unaligned load
7686         and store cases.  Call ix86_avx256_split_vector_move_misalign
7687         directly without checking mode class.
7689 2016-04-20  Andrew Pinski  <apinski@cavium.com>
7690             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7692         PR target/64971
7693         * config/aarch64/aarch64.md (sibcall): Force call
7694         address to be DImode for ILP32.
7695         (sibcall_value): Likewise.
7697 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
7699         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
7701 2016-04-20  Richard Biener  <rguenther@suse.de>
7703         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
7704         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
7705         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
7706         (maybe_push_res_to_seq): Adjust.
7707         * gimple-fold.c (maybe_build_generic_op): Likewise.
7709 2016-04-20  Marek Polacek  <polacek@redhat.com>
7711         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
7712         rather than true.
7714 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
7716         * config/i386/sse.md (vec_unpacks_lo_hi): Always
7717         use kmovw to support AVX512F target.
7719 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
7721         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
7723 2016-04-20  Marek Polacek  <polacek@redhat.com>
7725         PR tree-optimization/70725
7726         * tree-if-conv.c (is_false_predicate): New function.
7727         (predicate_mem_writes): Use it.
7729 2016-04-20  Richard Biener  <rguenther@suse.de>
7731         PR tree-optimization/70726
7732         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
7733         shift amounts from a pattern stmt operand.
7735 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7737         PR target/70674
7738         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
7739         stack_restore_from_fpr pattern when restoring r15.
7740         (s390_optimize_prologue): Strip away the memory barrier in the
7741         parallel when trying to get rid of restore insns.
7742         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
7743         definition for loading the stack pointer from an FPR.  Compared to
7744         the normal move insn this pattern includes a full memory barrier.
7746 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
7748         PR middle-end/70680
7749         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
7750         implicitly linear or lastprivate iterator on the outer context.
7752 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
7754         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
7755         alignment check.
7756         * config/i386/i386.md (ssememalign): Removed.
7757         * config/i386/sse.md: Remove ssememalign attribute from patterns.
7759 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
7761         PR target/69201
7762         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
7763         const short * to __builtin_ia32_loaddquhi512_mask.
7764         (_mm512_maskz_loadu_epi16): Likewise.
7765         (_mm512_mask_storeu_epi16): Pass short * to
7766         __builtin_ia32_storedquhi512_mask.
7767         (_mm512_mask_loadu_epi8): Pass const char * to
7768         __builtin_ia32_loaddquqi512_mask.
7769         (_mm512_maskz_loadu_epi8): Likewise.
7770         (_mm512_mask_storeu_epi8): Pass char * to
7771         __builtin_ia32_storedquqi512_mask.
7772         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
7773         const double * to __builtin_ia32_loadupd512_mask.
7774         (_mm512_mask_loadu_pd): Likewise.
7775         (_mm512_maskz_loadu_pd): Likewise.
7776         (_mm512_storeu_pd): Pass double * to
7777         __builtin_ia32_storeupd512_mask.
7778         (_mm512_mask_storeu_pd): Likewise.
7779         (_mm512_loadu_ps): Pass const float * to
7780         __builtin_ia32_loadups512_mask.
7781         (_mm512_mask_loadu_ps): Likewise.
7782         (_mm512_maskz_loadu_ps): Likewise.
7783         (_mm512_storeu_ps): Pass float * to
7784         __builtin_ia32_storeups512_mask.
7785         (_mm512_mask_storeu_ps): Likewise.
7786         (_mm512_mask_loadu_epi64): Pass const long long * to
7787         __builtin_ia32_loaddqudi512_mask.
7788         (_mm512_maskz_loadu_epi64): Likewise.
7789         (_mm512_mask_storeu_epi64): Pass long long *
7790         to __builtin_ia32_storedqudi512_mask.
7791         (_mm512_loadu_si512): Pass const int * to
7792         __builtin_ia32_loaddqusi512_mask.
7793         (_mm512_mask_loadu_epi32): Likewise.
7794         (_mm512_maskz_loadu_epi32): Likewise.
7795         (_mm512_storeu_si512): Pass int * to
7796         __builtin_ia32_storedqusi512_mask.
7797         (_mm512_mask_storeu_epi32): Likewise.
7798         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
7799         char * to __builtin_ia32_storedquqi256_mask.
7800         (_mm_mask_storeu_epi8): Likewise.
7801         (_mm256_mask_loadu_epi16): Pass const short * to
7802         __builtin_ia32_loaddquhi256_mask.
7803         (_mm256_maskz_loadu_epi16): Likewise.
7804         (_mm_mask_loadu_epi16): Pass const short * to
7805         __builtin_ia32_loaddquhi128_mask.
7806         (_mm_maskz_loadu_epi16): Likewise.
7807         (_mm256_mask_loadu_epi8): Pass const char * to
7808         __builtin_ia32_loaddquqi256_mask.
7809         (_mm256_maskz_loadu_epi8): Likewise.
7810         (_mm_mask_loadu_epi8): Pass const char * to
7811         __builtin_ia32_loaddquqi128_mask.
7812         (_mm_maskz_loadu_epi8): Likewise.
7813         (_mm256_mask_storeu_epi16): Pass short * to.
7814         __builtin_ia32_storedquhi256_mask.
7815         (_mm_mask_storeu_epi16): Pass short * to.
7816         __builtin_ia32_storedquhi128_mask.
7817         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
7818         const double * to __builtin_ia32_loadupd256_mask.
7819         (_mm256_maskz_loadu_pd): Likewise.
7820         (_mm_mask_loadu_pd): Pass onst double * to
7821         __builtin_ia32_loadupd128_mask.
7822         (_mm_maskz_loadu_pd): Likewise.
7823         (_mm256_mask_storeu_pd): Pass double * to
7824         __builtin_ia32_storeupd256_mask.
7825         (_mm_mask_storeu_pd): Pass double * to
7826         __builtin_ia32_storeupd128_mask.
7827         (_mm256_mask_loadu_ps): Pass const float * to
7828         __builtin_ia32_loadups256_mask.
7829         (_mm256_maskz_loadu_ps): Likewise.
7830         (_mm_mask_loadu_ps): Pass const float * to
7831         __builtin_ia32_loadups128_mask.
7832         (_mm_maskz_loadu_ps): Likewise.
7833         (_mm256_mask_storeu_ps): Pass float * to
7834         __builtin_ia32_storeups256_mask.
7835         (_mm_mask_storeu_ps): ass float * to
7836         __builtin_ia32_storeups128_mask.
7837         (_mm256_mask_loadu_epi64): Pass const long long * to
7838         __builtin_ia32_loaddqudi256_mask.
7839         (_mm256_maskz_loadu_epi64): Likewise.
7840         (_mm_mask_loadu_epi64): Pass const long long * to
7841         __builtin_ia32_loaddqudi128_mask.
7842         (_mm_maskz_loadu_epi64): Likewise.
7843         (_mm256_mask_storeu_epi64): Pass long long * to
7844         __builtin_ia32_storedqudi256_mask.
7845         (_mm_mask_storeu_epi64): Pass long long * to
7846         __builtin_ia32_storedqudi128_mask.
7847         (_mm256_mask_loadu_epi32): Pass const int * to
7848         __builtin_ia32_loaddqusi256_mask.
7849         (_mm256_maskz_loadu_epi32): Likewise.
7850         (_mm_mask_loadu_epi32): Pass const int * to
7851         __builtin_ia32_loaddqusi128_mask.
7852         (_mm_maskz_loadu_epi32): Likewise.
7853         (_mm256_mask_storeu_epi32): Pass int * to
7854         __builtin_ia32_storedqusi256_mask.
7855         (_mm_mask_storeu_epi32): Pass int * to
7856         __builtin_ia32_storedqusi128_mask.
7857         * config/i386/i386-builtin-types.def (PCSHORT): New.
7858         (PINT64): Likewise.
7859         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
7860         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
7861         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
7862         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
7863         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
7864         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
7865         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
7866         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
7867         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
7868         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
7869         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
7870         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
7871         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
7872         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
7873         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
7874         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
7875         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
7876         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
7877         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
7878         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
7879         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
7880         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
7881         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
7882         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
7883         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
7884         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
7885         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
7886         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
7887         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
7888         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
7889         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
7890         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
7891         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
7892         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
7893         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
7894         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
7895         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
7896         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
7897         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
7898         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
7899         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
7900         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
7901         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
7902         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
7903         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
7904         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
7905         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
7906         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
7907         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
7908         use UNSPEC_STOREU.
7909         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
7910         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
7911         load nor store.
7912         (ix86_expand_vector_move_misalign): Likewise.
7913         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
7914         to scalar function prototype for unaligned load/store builtins.
7915         (ix86_expand_special_args_builtin): Updated.
7916         * config/i386/sse.md (UNSPEC_LOADU): Removed.
7917         (UNSPEC_STOREU): Likewise.
7918         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
7919         (VI_ULOADSTORE_F_AVX512VL): Likewise.
7920         (ssescalarsize): Handle V4TI, V2TI and V1TI.
7921         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
7922         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
7923         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
7924         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
7925         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
7926         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
7927         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
7928         (<avx512>_storedqu<mode>_mask): Likewise.
7929         (*sse4_2_pcmpestr_unaligned): Likewise.
7930         (*sse4_2_pcmpistr_unaligned): Likewise.
7931         (*mov<mode>_internal): Renamed to ...
7932         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
7933         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
7934         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
7935         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
7937 2016-04-19  Richard Biener  <rguenther@suse.de>
7939         PR tree-optimization/70171
7940         * tree-ssa-phiprop.c: Include stor-layout.h.
7941         (phiprop_insert_phi): Handle the aggregate copy case.
7942         (propagate_with_phi): Likewise.
7944 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
7946         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
7947         instead of simplify_gen_subreg (... , 0).
7948         (ix86_delegitimize_address): Ditto.
7949         (ix86_split_divmod): Ditto.
7950         (ix86_split_copysign_const): Ditto.
7951         (ix86_split_copysign_var): Ditto.
7952         (ix86_expand_args_builtin): Ditto.
7953         (ix86_expand_round_builtin): Ditto.
7954         (ix86_expand_special_args_builtin): Ditto.
7955         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
7956         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
7957         (udivmodqi4): Ditto.
7958         (absneg splitters): Ditto.
7959         (*jcc_bt<mode>_1): Ditto.
7961 2016-04-19  Richard Biener  <rguenther@suse.de>
7963         PR tree-optimization/70724
7964         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
7965         restoring out from ...
7966         (free_scc_vn): ... here.
7967         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
7968         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
7969         tail merging.
7970         (pass_fre::execute): Restore SSA info.
7972 2016-04-19  Richard Biener  <rguenther@suse.de>
7974         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
7975         * gimple-walk.c (walk_gimple_op): Initialize it.
7976         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
7977         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
7978         remapping SSA names of defs.
7979         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
7980         adjustment.
7982 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
7984         PR middle-end/70689
7985         * lra-constraints.c (equiv_substition_p): New.
7986         (process_alt_operands): Use it.
7987         (swap_operands): Swap it.
7988         (curr_insn_transform): Update it.
7990 2016-04-18  Michael Matz  <matz@suse.de>
7992         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
7993         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
7994         * tree-core.h (tree_type_common.align): Use bit-field.
7995         (tree_type_common.spare): New.
7996         (tree_decl_common.off_align): Make smaller.
7997         (tree_decl_common.align): Use bit-field.
7999         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8000         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8001         (scan_sharing_clauses): Ditto.
8002         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8003         (omp_finish_file): Ditto.
8004         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8005         (layout_decl): Ditto.
8006         (relayout_decl): Ditto.
8007         (finalize_record_size): Use SET_TYPE_ALIGN.
8008         (finalize_type_size): Ditto.
8009         (finish_builtin_struct): Ditto.
8010         (layout_type): Ditto.
8011         (initialize_sizetypes): Ditto.
8012         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8013         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8014         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8015         (get_chain_field): Ditto.
8016         (get_trampoline_type): Ditto.
8017         (get_nl_goto_field): Ditto.
8018         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8019         SET_DECL_ALIGN.
8020         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8021         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8022         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8023         (build_qualified_type): Use SET_TYPE_ALIGN.
8024         (build_aligned_type, build_range_type_1): Ditto.
8025         (build_atomic_base): Ditto.
8026         (build_common_tree_nodes): Ditto.
8027         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8028         (expand_one_stack_var_at): Ditto.
8029         * coverage.c (build_var): Use SET_DECL_ALIGN.
8030         * except.c (init_eh): Ditto.
8031         * function.c (assign_parm_setup_block): Ditto.
8032         * symtab.c (increase_alignment_1): Ditto.
8033         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8034         * tree-vect-stmts.c (ensure_base_align): Ditto.
8035         * varasm.c (align_variable): Ditto.
8036         (assemble_variable): Ditto.
8037         (build_constant_desc): Ditto.
8038         (output_constant_def_contents): Ditto.
8040         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8041         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8042         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8043         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8044         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8046 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8048         PR target/70708
8049         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8050         replace %vmovsd with "%vmovq".
8051         (vec_concatv2df): Likewise.
8053 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8055         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8056         (*vec_extractv2si_0): Ditto.
8057         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8058         (zero_extended_scalar_load_operand splitters): Ditto.
8059         (vec_extract splitters): Ditto.
8060         (*vec_extractv4si_0_zext): Ditto.
8061         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8062         and lowpart_subreg.
8063         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8064         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
8065         (*sse4_1_extractps): Use lowpart_subreg.
8066         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
8068 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8070         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
8071         gld requirements.
8072         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
8073         Mention Solaris 11 packaging changes.
8074         Update gas and gld requirements.
8075         Remove reference to pre-Solaris 10 bug.
8076         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
8077         systems and bugs.
8078         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
8079         with cc.
8081 2016-04-17  Jan Hubicka  <jh@suse.cz>
8083         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
8084         max_loop_iterations_int.
8086 2016-04-18  Richard Biener  <rguenther@suse.de>
8088         PR tree-optimization/43434
8089         * tree-ssa-structalias.c (struct vls_data): New.
8090         (visit_loadstore): Handle all pointer-based accesses.
8091         (compute_dependence_clique): Compute a bitmap of restrict tags
8092         assigned bases and pass it to visit_loadstore.
8094 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
8096         PR target/70711
8097         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
8098         armv8.1-a and armv8.1-a+crc.
8100 2016-04-18  Richard Biener  <rguenther@suse.de>
8102         PR tree-optimization/70701
8103         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
8104         references after translating through a memcpy.
8106 2016-04-18  Richard Biener  <rguenther@suse.de>
8108         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
8109         (compute_antic): ... here.  For partial antic use regular
8110         postorder and scrap iteration.
8111         (compute_partial_antic_aux): Remove unused return value.
8112         (init_pre): Do not allocate postorder.
8113         (fini_pre): Do not free postorder.
8115 2016-04-18  Richard Biener  <rguenther@suse.de>
8117         PR middle-end/37870
8118         * expmed.c (extract_bit_field_1): Remove broken case
8119         using a wider MODE_INT mode.
8121 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
8123         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
8124         unless compiling with at least GCC-4.8.
8126 2016-04-17  Jan Hubicka  <jh@suse.cz>
8128         PR bootstrap/70706
8129         * graphite.c (graphite_finalize): Update call to
8130         tree_estimate_probability.
8131         * predict.h (tree_estimate_probability): Update prototype.
8133 2016-04-17  Jan Hubicka  <jh@suse.cz>
8135         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
8136         (tree_estimate_probability): Likewise.
8137         (pass_profile::execute): Update.
8138         (report_predictor_hitrates): New function.
8139         * profile.c (compute_branch_probabilities): Use it.
8140         * predict.h (report_predictor_hitrates): Declare.
8142 2016-04-17  Jan Hubicka  <jh@suse.cz>
8144         PR ipa/70018
8145         * cgraph.h (cgraph_node::set_const_flag,
8146         cgraph_node::set_pure_flag): Update prototype to return bool;
8147         update comment.
8148         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
8149         of interposable symbol are interposable, too.
8150         (cgraph_set_const_flag_1): Rename to ...
8151         (set_const_flag_1): ... this one; change to self recursive function
8152         instead of call_for_symbol_thunks_and_aliases. Handle correctly
8153         clearnig the flag in all variants and also virtual thunks of const
8154         functions are pure; track if any change was done.
8155         (cgraph_node::set_const_flag): Update.
8156         (struct set_pure_flag_info): New struct.
8157         (cgraph_set_pure_flag_1): Rename to ...
8158         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
8159         rather than pointer encoded flags; track if any changes was done;
8160         handle correctly clearning flag and setting flag of aliases already
8161         declared const.
8162         (cgraph_node::set_pure_flag): Update.
8163         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
8165 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8167         PR other/70433
8168         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
8169         backslash in label.
8171 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8173         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
8174         '{}<> ' as escape-for-record.
8176 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8178         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
8179         structure.
8181 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8183         PR other/70185
8184         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
8185         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
8186         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
8187         * passes.c (finish_optimization_passes): Only call
8188         finish_graph_dump_file if dfi->graph_dump_initialized.
8189         (execute_function_dump, pass_init_dump_file): Use
8190         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
8192 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8194         PR tree-optimization/70256
8195         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
8196         (debug_varmap): New function.
8198 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8200         PR other/70183
8201         * passes.c (pass_manager::register_pass): Propagate pflags.
8203 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8205         PR other/68875
8206         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
8207         * passes.c (pass_manager::pass_manager): Declare and init p_start in
8208         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
8209         check if it's equal to p_start.
8210         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
8212 2016-04-15  Jan Hubicka  <jh@suse.cz>
8214         PR ipa/70018
8215         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
8216         function does not bind to current def.
8217         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
8218         handle conservatively calls to functions that does not need to bind
8219         to current def.
8220         (check_call): Update call of worse_state.
8221         (ignore_edge_for_nothrow): Update.
8222         (ignore_edge_for_pure_const): Likewise.
8223         (propagate_pure_const): Update calls to worse_state.
8224         (skip_function_for_local_pure_const): Reformat comments.
8226 2016-04-15  Jan Hubicka  <jh@suse.cz>
8228         PR ipa/70018
8229         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
8230         (cgraph_node::function_symbol): Likewise.
8231         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8232         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
8233         (symtab_node::ultimate_alias_target): Add REF parameter.
8234         (symtab_node::binds_to_current_def_p): Declare.
8235         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
8236         (cgraph_node::function_symbol): Likewise.
8237         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8238         (cgraph_node::get_availability): Likewise.
8239         (cgraph_edge::binds_to_current_def_p): New inline function.
8240         (varpool_node::get_availability): Add REF parameter.
8241         (varpool_node::ultimate_alias_target): Likewise.
8242         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
8243         (symtab_node::binds_to_current_def_p): Likewise.
8244         * varpool.c (varpool_node::get_availability): Likewise.
8246 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8248         PR target/70662
8249         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
8250         Fix mode size check.
8252 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8254         * BASE-VER: Set to 7.0.0.
8256 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
8258         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
8260 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8262         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
8263         architecture revisions.
8265 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
8267         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
8268         * config/i386/i386.c (ix86_using_red_zone): No longer static.
8269         * config/i386/i386.md (stack decrement to push peepholes): Guard
8270         with !x86_using_red_zone ().
8272 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8274         PR c++/70675
8275         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
8276         to dump_generic_node.
8277         (NIY): Pass also flags to do_niy.
8279 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
8281         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
8282         (simd_clone_vector_of_formal_parm_types)
8283         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
8284         (simd_clone_mangle, simd_clone_create)
8285         (simd_clone_adjust_return_type, create_tmp_simd_array)
8286         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
8287         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
8288         (ipa_simd_modify_function_body, simd_clone_linear_addend)
8289         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
8290         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
8291         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
8292         * omp-simd-clone.c: ... this new file.
8293         (simd_clone_vector_of_formal_parm_types): Make it static.
8294         * Makefile.in (OBJS): Add omp-simd-clone.o.
8296 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8298         PR target/70662
8299         * config/i386/sse.md: Use proper memory operand modifiers.
8302 2016-04-15  Richard Biener  <rguenther@suse.de>
8303         Alan Modra  <amodra@gmail.com>
8305         PR tree-optimization/70130
8306         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
8307         when alignment stays not the same and no not use the realign
8308         scheme then.
8310 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8312         PR target/70669
8313         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
8314         direct move handlers for KFmode. Change TFmode handlers test from
8315         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
8317 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
8319         PR c++/70594
8320         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
8321         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
8322         (inlined_polymorphic_ctor_dtor_block_p): Use it.
8323         * tree-ssa-live.c (remove_unused_scope_block_p): When
8324         in_ctor_dtor_block, avoid discarding not just BLOCKs with
8325         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
8326         block_ultimate_origin is FUNCTION_DECL.
8327         (remove_unused_locals): If current_function_decl is
8328         polymorphic_ctor_dtor_p, pass initial true to
8329         remove_unused_scope_block_p' is_ctor_dtor_block.
8331 2016-04-14  Martin Sebor  <msebor@redhat.com>
8333         PR c++/69517
8334         PR c++/70019
8335         PR c++/70588
8336         * doc/extend.texi (Variable Length): Revert.
8338 2016-04-14  Marek Polacek  <polacek@redhat.com>
8339             Jan Hubicka  <hubicka@ucw.cz>
8341         PR c++/70029
8342         * tree.c (verify_type): Disable the canonical type of main variant
8343         check.
8345 2016-04-14  Jason Merrill  <jason@redhat.com>
8347         * cfgexpand.c, expr.c: Revert previous change.
8349 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
8351         PR middle-end/70643
8352         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
8353         when building a mem ref for the incoming reduction variable.
8355 2016-04-14  Richard Biener  <rguenther@suse.de>
8357         PR tree-optimization/70614
8358         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
8359         loop if the evolution dropped to chrec_dont_know.
8360         (interpret_condition_phi): Likewise.
8362 2016-04-14  Richard Biener  <rguenther@suse.de>
8364         PR tree-optimization/70623
8365         * tree-ssa-pre.c (changed_blocks): Make global ...
8366         (compute_antic): ... local here.  Move and fix worklist
8367         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
8368         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
8369         worklist handling, dump when ANTIC_IN changed.
8370         (compute_partial_antic_aux): Remove worklist handling.
8371         (init_pre): Do not compute post dominators.  Add a comment about
8372         the CFG order chosen.
8373         (fini_pre): Do not free post dominators.
8375 2016-04-13  Martin Sebor  <msebor@redhat.com>
8377         PR c++/69517
8378         PR c++/70019
8379         PR c++/70588
8380         * doc/extend.texi (Variable Length): Document C++ specifics.
8382 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8384         PR c++/70641
8385         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
8386         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
8387         eh edges have been purged.
8389         PR c++/70594
8390         * tree-sra.c (create_access_replacement,
8391         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
8392         gets fancy name.
8393         * tree-pretty-print.c (dump_fancy_name): New function.
8394         (dump_decl_name, dump_generic_node): Use it.
8396 2016-04-13  Jason Merrill  <jason@redhat.com>
8398         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
8399         * expr.c (expand_expr_real_1): Likewise.
8401 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
8403         * config/i386/i386.md (kunpckhi): Swap operands.
8404         (kunpcksi): Likewise.
8405         (kunpckdi): Likewise.
8406         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
8407         (vec_pack_trunc_<mode>): Likewise.
8409 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8411         PR debug/70628
8412         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
8414         PR middle-end/70633
8415         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
8416         gimplification turns some element into non-constant.
8418         PR debug/70628
8419         * rtl.h (convert_memory_address_addr_space_1): New prototype.
8420         * explow.c (convert_memory_address_addr_space_1): No longer static,
8421         add NO_EMIT argument and don't call convert_modes if true, pass
8422         it down recursively, remove break after return.
8423         (convert_memory_address_addr_space): Adjust caller.
8424         * simplify-rtx.c (simplify_unary_operation_1): Call
8425         convert_memory_address_addr_space_1 instead of convert_memory_address,
8426         if it returns NULL, don't simplify.
8428 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
8430         PR target/70630
8431         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
8433 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8435         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8436         Bump the upper SIMDLEN limits, so that if the return type or
8437         characteristic type if the return type is void can be passed in
8438         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
8439         allowed.
8441 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8443         PR target/70640
8444         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
8445         Do not use "=" constraint on an input constraint.
8446         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
8447         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
8448         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
8449         generates (neg (abs ...)) instead of (abs ...).
8451 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8453         PR rtl-optimization/70596
8454         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
8455         just invalidate LRA data and reset them.  Adjust dump wording.
8457 2016-04-12  Martin Liska  <mliska@suse.cz>
8459         Revert
8460         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
8462         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
8463         estimates here.
8464         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8465         max_loop_iterations_int.
8466         (tree_unswitch_outer_loop): Likewise.
8467         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
8468         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
8470 2016-04-12  Tom de Vries  <tom@codesourcery.com>
8472         PR tree-optimization/68756
8473         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
8474         instead of new_name.
8476 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8478         PR tree-optimization/70602
8479         * tree-sra.c (generate_subtree_copies): Don't write anything into
8480         constant pool decls.
8482         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
8483         regardless whether there are depend clauses or not.
8485 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
8487         PR target/70381
8488         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
8489         target attribute and pragma from changing the -mfloat128
8490         and -mfloat128-hardware options.
8492         * doc/extend.texi (Additional Floating Types): Document PowerPC
8493         __float128 restrictions.
8495 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8497         PR target/70133
8498         * config/aarch64/driver-aarch64.c
8499         (aarch64_get_extension_string_for_isa_flags): New.
8500         (arch_extension): Rename to...
8501         (aarch64_arch_extension): ...This.
8502         (ext_to_feat_string): Rename to...
8503         (aarch64_extensions): ...This.
8504         (aarch64_core_data): Keep track of architecture extension flags.
8505         (cpu_data): Rename to...
8506         (aarch64_cpu_data): ...This.
8507         (aarch64_arch_driver_info): Keep track of architecture extension
8508         flags.
8509         (get_arch_name_from_id): Rename to...
8510         (get_arch_from_id): ...This, change return type.
8511         (host_detect_local_cpu): Update and reformat for renames, handle
8512         extensions through common infrastructure.
8514 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8516         PR target/70133
8517         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
8518         track of a canonical flag name.
8519         (all_extensions): Likewise.
8520         (arch_to_arch_name): Also track extension flags enabled by the arch.
8521         (all_architectures): Likewise.
8522         (aarch64_parse_extension): Move to here.
8523         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
8524         rework.
8525         (aarch64_rewrite_selected_cpu): Update for above change.
8526         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
8527         are handled, such that the single explicit value enabled by an
8528         extension is kept seperate from the implicit values it also enables.
8529         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
8530         to here.
8531         (aarch64_parse_extension): New.
8532         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
8533         here to config/aarch64/aarch64-protos.h.
8534         (aarch64_parse_extension): Move from here to
8535         common/config/aarch64/aarch64-common.c.
8536         (aarch64_option_print): Update.
8537         (aarch64_declare_function_name): Likewise.
8538         (aarch64_start_file): Likewise.
8539         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
8540         the canonical flag for extensions.
8541         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
8542         flags.
8544 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8546         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
8547         AARCH64_FL_CRC.
8549 2016-04-09  Tom de Vries  <tom@codesourcery.com>
8551         PR tree-optimization/68953
8552         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
8553         first to last subscript.
8555 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
8557         PR tree-optimization/70586
8558         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
8559         for any calls.
8561 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
8563         PR lto/70289
8564         PR ipa/70348
8565         PR tree-optimization/70373
8566         PR middle-end/70533
8567         PR middle-end/70534
8568         PR middle-end/70535
8569         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
8570         clauses for acc parallel reductions as necessary.  Error on those
8571         that are private.
8572         * omp-low.c (scan_sharing_clauses): Don't install variables which
8573         are used in acc parallel reductions.
8574         (lower_rec_input_clauses): Remove dead code.
8575         (lower_oacc_reductions): Add support for reference reductions.
8576         (lower_reduction_clauses): Remove dead code.
8577         (lower_omp_target): Don't remap variables appearing in acc parallel
8578         reductions.
8579         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
8581 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
8583         PR middle-end/70593
8584         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
8585         with multiple SSA_NAME defs, force the outputs other than first
8586         to be live before calling live_track_process_def on each output.
8588         PR rtl-optimization/70574
8589         * fwprop.c (forward_propagate_and_simplify): Don't add
8590         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
8591         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
8592         paradoxical subregs within *loc.
8594 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
8596         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
8597         -ftree-parallelize-loops={0,1}.
8598         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
8599         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
8600         * config/ia64/hpux.h (LIB_SPEC): Likewise.
8601         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
8602         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
8604 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
8606         PR sanitizer/70541
8607         * asan.c (instrument_derefs): If we get unknown location, extract it
8608         with EXPR_LOCATION.
8609         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
8611 2016-04-08  Tom de Vries  <tom@codesourcery.com>
8613         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
8614         implicit firstprivate clause.
8616 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8618         PR target/70566
8619         * config/arm/thumb2.md (tst + branch-> lsls + branch
8620         peephole below *orsi_not_shiftsi_si): Require that condition
8621         register is dead after the peephole.
8622         (second peephole after the above): Likewise.
8624 2016-04-08  Alan Modra  <amodra@gmail.com>
8626         PR target/70117
8627         * builtins.c (fold_builtin_classify): For IBM extended precision,
8628         look at just the high-order double to test for NaN.
8629         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
8630         test just the high double for Inf but both doubles for subnormal
8631         limit.
8633 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
8635         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
8636         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
8637         node->simdclone->mask_mode != VOIDmode masks.
8638         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
8639         earlier, use it instead of node->simdclone.
8640         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8641         Set clonei->mask_mode.
8643 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
8645         PR c/70436
8646         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
8647         Pass it through to cp_parser_already_scoped_statement.
8648         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
8649         it through to cp_parser_statement.
8650         (cp_parser_statement): Pass IF_P through to
8651         cp_parser_iteration_statement.
8652         (cp_parser_pragma): Adjust call to
8653         cp_parser_iteration_statement.
8655 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
8657         PR c/70436
8658         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
8659         resolve a future -Wparentheses warning.
8660         * omp-low.c (scan_sharing_clauses): Likewise.
8661         * tree-parloops.c (eliminate_local_variables): Likewise.
8663 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
8665         PR rtl-optimization/70398
8666         * lra-constraints.c (process_address_1): Check zero scale and code
8667         for reloading with zero scale.
8669 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
8671         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
8672         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
8674 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
8676         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8677         Add support for AVX512F clones, include them by default for
8678         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
8679         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
8680         up to 128.
8682         PR middle-end/70550
8683         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
8684         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
8685         firstprivate clauses.
8686         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
8687         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
8688         (lower_omp_target): Set TREE_NO_WARNING for
8689         non-addressable possibly uninitialized vars which are copied into
8690         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
8692 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
8694         * config/pa/predicates.md (integer_store_memory_operand): Accept
8695         REG+D operands with a large offset when reload_in_progress is true.
8696         (floating_point_store_memory_operand): Likewise.
8698 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
8700         PR c++/70336
8701         * match.pd (nested int casts): Limit to GIMPLE.
8703 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
8705         PR ipa/66223
8706         * ipa-devirt.c (maybe_record_node): Fix comment; use
8707         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
8709 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
8711         PR rtl-optimization/70542
8712         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
8713         if there are any uses other than insn or debug insns.
8715 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
8716             Jakub Jelinek  <jakub@redhat.com>
8718         PR tree-optimization/70509
8719         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
8720         Shift HOST_WIDE_INT_1U instead of 1.
8722 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
8724         PR tree-optimization/70509
8725         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
8726         of the vector base type for index.
8728 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
8730         PR target/70510
8731         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
8733 2016-04-05  Richard Biener  <rguenther@suse.de>
8735         PR tree-optimization/70526
8736         * tree-sra.c (build_ref_for_offset): Use prev_base to
8737         extract the alias pointer type.
8739 2016-04-05  Richard Biener  <rguenther@suse.de>
8741         * dse.c (struct store_info): Remove alias_set member.
8742         (struct read_info_type): Likewise.
8743         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
8744         spill_deleted, clear_alias_set_lookup): Remove.
8745         (get_group_info): Remove dead base == NULL_RTX case.
8746         (dse_step0): Remove initialization of removed variables.
8747         (delete_dead_store_insn): Reomve alias set dumping.
8748         (free_read_records): Remove alias_set handling.
8749         (canon_address): Remove alias_set_out parameter.
8750         (record_store): Remove spill_alias_set, it's always zero.
8751         (check_mem_read_rtx): Likewise.
8752         (dse_step2): Rename from ...
8753         (dse_step2_nospill): ... this.  Adjust.
8754         (scan_stores): Rename from ...
8755         (scan_stores_nospill): ... this.
8756         (scan_reads): Rename from ...
8757         (scan_reads_nospill): ... this.
8758         (scan_stores_spill, scan_reads_spill): Remove.
8759         (dse_step3_scan): Remove for_spills argument which is always false.
8760         (dse_step3): Likewise.
8761         (dse_step5): Rename from ...
8762         (dse_step5_nospill): ... this.  Remove alias_set handling.
8763         (rest_of_handle_dse): Adjust.
8765 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
8767         PR target/70525
8768         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
8769         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
8770         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
8771         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
8773 2016-04-05  Richard Biener  <rguenther@suse.de>
8775         PR middle-end/70499
8776         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
8777         non-register type temporaries into SSA.
8779 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
8781         PR ipa/66223
8782         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
8783         calls when sanitizing.
8784         (possible_polymorphic_call_target_p): Fix formatting.
8786 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8787             Jakub Jelinek <jakub@redhat.com>
8789         PR middle-end/70457
8790         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
8791         to ensure a call statement is compatible with a built-in's
8792         prototype.
8793         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
8794         Likewise.
8796 2016-04-04  Richard Biener  <rguenther@suse.de>
8798         PR rtl-optimization/70484
8799         * rtl.h (canon_output_dependence): Declare.
8800         * alias.c (canon_output_dependence): New function.
8801         * dse.c (record_store): Use canon_output_dependence rather
8802         than canon_true_dependence.
8804 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
8806         PR ipa/68881
8807         * cgraph.h (symtab_node::copy_visibility_from): New function.
8808         * symtab.c (symtab_node::copy_visibility_from): New function.
8809         * ipa-visibility.c (optimize_weakref): New function.
8810         (function_and_variable_visibility): Use it.
8812 2016-04-04  Martin Liska  <mliska@suse.cz>
8814         PR hsa/70402
8815         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
8816         value that is really in range handled by SBR instruction.
8817         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
8818         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
8819         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
8821 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
8823         PR target/70416
8824         PR target/67391
8825         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
8826         set, but not for SP_REG operands.
8828 2016-04-02  Martin Sebor  <msebor@redhat.com>
8830         PR c++/67376
8831         * fold-const.c (maybe_nonzero_address): New function.
8832         (fold_comparison): Call it.  Fold equality and relational
8833         expressions involving null pointers.
8834         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
8836 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
8838         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
8839         the "Y" constraint (scalar FP 0.0 immediate).
8841         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
8842         Add the "const_double" to the list of operand constraints.
8844 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
8846         PR rtl-optimization/70467
8847         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
8848         If low word of the last operand is 0, just emit addition/subtraction
8849         for the high word.
8851 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8853         PR target/70404
8854         * config/s390/s390.c (s390_expand_insv): Check for everything
8855         constant instead of just VOIDmode stuff.
8857 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8859         PR target/70496
8860         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
8862 2016-04-01  Nathan Sidwell  <nathan@acm.org>
8864         * tree.def (TRY_CATCH_EXPR): Correct documentation.
8866 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
8868         PR rtl-optimization/70461
8869         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
8870         is necessary.
8872 2016-03-31  Martin Liska  <mliska@suse.cz>
8874         PR hsa/70399
8875         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
8876         a tree value or an immediate integer value to a buffer
8877         that is eventually copied to a BRIG section.
8878         (emit_immediate_operand): Call the function here.
8879         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
8880         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
8881         of class' fields that are removed.
8882         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
8883         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
8884         m_brig_repr_size fields.
8886 2016-03-31  Martin Liska  <mliska@suse.cz>
8888         PR hsa/70391
8889         * hsa-gen.c (hsa_function_representation::update_dominance): New
8890         function.
8891         (convert_addr_to_flat_segment): Likewise.
8892         (gen_hsa_memory_set): New alignment argument.
8893         (gen_hsa_ctor_assignment): Likewise.
8894         (gen_hsa_insns_for_single_assignment): Provide alignment
8895         to gen_hsa_ctor_assignment.
8896         (gen_hsa_insns_for_direct_call): Add new argument.
8897         (expand_lhs_of_string_op): New function.
8898         (expand_string_operation_builtin): Likewise.
8899         (expand_memory_copy): New function.
8900         (expand_memory_set): New function.
8901         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
8902         (convert_switch_statements): Change signature.
8903         (generate_hsa): Use a return value of the function.
8904         (pass_gen_hsail::execute): Do not call
8905         convert_switch_statements here.
8906         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
8907         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
8908         (hsa_function_representation::update_dominance): New function.
8910 2016-03-31  Martin Liska  <mliska@suse.cz>
8912         PR hsa/70391
8913         * hsa-brig.c (emit_directive_variable): Emit alignment
8914         according to hsa_symbol::m_align.
8915         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
8916         (dump_hsa_symbol): Dump alignment of HSA symbols.
8917         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
8918         (gen_hsa_addr_with_align): New function.
8919         (hsa_bitmemref_alignment): Use newly added function.
8920         (gen_hsa_insns_for_load): Likewise.
8921         (gen_hsa_insns_for_store): Likewise.
8922         (gen_hsa_memory_copy): New argument added.
8923         (gen_hsa_insns_for_single_assignment): Respect
8924         alignment for assignments processed via gen_hsa_memory_copy.
8925         (gen_hsa_insns_for_direct_call): Likewise.
8926         (gen_hsa_insns_for_return): Likewise.
8927         (gen_function_def_parameters): Set default alignment.
8928         * hsa.c (hsa_object_alignment): New function.
8929         (hsa_byte_alignment): Pasted function.
8930         * hsa.h (hsa_symbol::m_align): New field.
8932 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
8934         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
8935         scratch field for goto case.
8937 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
8939         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
8941 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
8943         PR target/70442
8944         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
8945         (scalar_chain::convert_insn): Call convert_op for reg
8946         moves to handle undefined registers.
8948 2016-03-31  Nathan Sidwell  <nathan@acm.org>
8950         PR c++/70393
8951         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
8952         Assert we don't want to move backwards.
8954 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
8956         PR target/70453
8957         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
8959 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
8961         PR rtl-optimization/70460
8962         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
8963         with operand from REG_LABEL_OPERAND, instead substitute
8964         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
8965         Don't do anything for REG_NON_LOCAL_GOTO jumps.
8967 2016-03-31  Martin Liska  <mliska@suse.cz>
8969         * passes.c (execute_one_pass): Do not call
8970         todo_after for a discarded function.
8972 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
8974         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
8975         (no_cost, infinite_cost): Initialize the new field.
8976         (get_computation_cost_at): Record setup cost.
8977         (determine_use_iv_cost_address): Skip cost computation for sub
8978         uses if we can estimate it without losing accuracy.
8980 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
8982         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
8983         estimates here.
8984         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8985         max_loop_iterations_int.
8986         (tree_unswitch_outer_loop): Likewise.
8987         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
8988         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
8990 2016-03-30  Richard Biener  <rguenther@suse.de>
8992         PR middle-end/70450
8993         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
8995 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
8997         PR target/70421
8998         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
8999         in gen_blendm expander.
9001 2016-03-30  Nick Clifton  <nickc@redhat.com>
9003         PR target/62254
9004         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9005         case where we are already provided with an SImode SUBREG.
9007 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9009         PR target/70439
9010         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9011         conflict between DRAP register and __builtin_eh_return.
9013 2016-03-30  Michael Matz  <matz@suse.de>
9014             Richard Biener  <rguenther@suse.de>
9016         PR ipa/12392
9017         * ipa-polymorphic-call.c (struct type_change_info): Change
9018         speculative to an unsigned allowing to limit the work we do.
9019         (csftc_abort_walking_p): New inline function..
9020         (check_stmt_for_type_change): Limit the number of may-defs
9021         skipped for speculative devirtualization to
9022         max-speculative-devirt-maydefs.
9023         * params.def (max-speculative-devirt-maydefs): New param.
9024         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9026 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9028         PR target/63890
9029         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9030         and TARGET_MACHO.
9032 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9034         PR tree-optimization/59124
9035         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9036         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9038 2016-03-29  Jeff Law  <law@redhat.com>
9040         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9042 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9044         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9045         to HOST_WIDE_INT.
9047 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9049         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9050         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9051         gcrt0.o if linking dynamically.
9053 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9055         PR ipa/70283
9056         * ipa-devirt.c (methods_equal_p): New function.
9057         (compare_virtual_tables): Use it.
9058         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9059         * cgraphclones.c (clone_function_name_1): Use
9060         symbol_table::symbol_suffix_separator.
9061         * coverage.c (build_var): Likewise.
9062         * symtab.c (symbol_table::symbol_suffix_separator): New.
9064 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
9066         PR rtl-optimization/70429
9067         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
9068         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
9069         mode != result_mode.
9071         PR c++/70353
9072         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
9074         PR tree-optimization/70405
9075         * ssa-iterators.h (num_imm_uses): Add missing braces.
9077 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9079         PR rtl-optimization/68695
9080         * ira-color.c (allocno_copy_cost_saving): New.
9081         (improve_allocation): Use it.
9083 2016-03-29  Richard Henderson  <rth@redhat.com>
9085         PR middle-end/70355
9086         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
9088 2016-03-29  Richard Biener  <rguenther@suse.de>
9090         PR middle-end/70424
9091         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
9092         use alignment returned by get_pointer_alignment_1 if it is
9093         bigger than BITS_PER_UNIT.
9094         * builtins.c (get_pointer_alignment_1): Do not return true
9095         for alignment extracted from SSA info.
9097 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
9099         * config/ft32/ft32.opt (mnodiv): New.
9100         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
9101         * doc/invoke.texi (FT32 Options -mnodiv): New.
9103 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
9105         PR target/70406
9106         * config/i386/i386.md (define_split, andn): Fix modes.
9108 2016-03-26  Richard Biener  <rguenther@suse.de>
9109             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9111         PR ipa/70366
9112         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
9113         instead of
9114         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
9115         as 2nd argument to cl_optimization_restore().
9117 2016-03-25  Richard Henderson  <rth@redhat.com>
9119         PR target/70120
9120         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
9121         * config/aarch64/aarch64-protos.h: Declare it.
9122         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
9124 2016-03-25  Alan Modra  <amodra@gmail.com>
9126         PR target/70052
9127         * config/rs6000/constraints.md (j): Simplify.
9128         * config/rs6000/predicates.md (easy_fp_constant): Exclude
9129         decimal float 0.D.
9130         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
9131         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
9132          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
9133         in all constraint alternatives.
9134         (movtd_64bit_nodm): Delete "j" constraint alternative.
9136 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9138         * tree-ssa-propagate.c: Enhance docs for
9139         SSA_PROP_NOT_INTERESTING.
9141 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9143         * doc/extend.texi: Fix typo in documentation to pure attribute.
9145 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
9147         PR target/70319
9148         * config/pa/pa.md (bswapdi2): Use a scratch register.
9150 2016-03-24  Richard Henderson  <rth@redhat.com>
9152         PR middle-end/69845
9153         * fold-const.c (extract_muldiv_1): Correct test for multiplication
9154         overflow.
9156 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
9158         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
9159         using ix86_expand_binary_operator instead of gen_andsi3.
9161 2016-03-24  Richard Biener  <rguenther@suse.de>
9163         PR tree-optimization/70396
9164         * tree-vect-stmts.c (vectorizable_comparison): Use
9165         get_vectype_for_scalar_type.
9167 2016-03-24  Richard Biener  <rguenther@suse.de>
9169         PR middle-end/70370
9170         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
9171         with register bases.
9173 2016-03-24  Richard Biener  <rguenther@suse.de>
9175         PR tree-optimization/70372
9176         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
9177         build_all_ones_cst to also handle vector types correctly.
9179 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9181         PR target/70381
9182         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
9183         -mfloat128 here.
9185 2016-03-23  Marek Polacek  <polacek@redhat.com>
9187         PR c++/69884
9188         * doc/invoke.texi: Document -Wignored-attributes.
9190 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9192         PR tree-optimization/69042
9193         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
9194         parameter from 30 to 40.
9196 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9198         PR tree-optimization/69042
9199         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
9200         for use with constant offset stripped in base.
9202 2016-03-23  Richard Biener  <rguenther@suse.de>
9204         PR middle-end/70251
9205         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
9206         mode compatibility check.
9207         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9209 2016-03-23  Jeff Law  <law@redhat.com>
9211         PR tree-optimization/64058
9212         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
9213         CONFLICT_COUNT.
9214         (struct ssa_conflicts): Move up earlier in the file.
9215         (conflicts_, var_map_): New static variables.
9216         (initialize_conflict_count): New function to initialize the
9217         CONFLICT_COUNT field for each conflict pair.
9218         (compare_pairs): Lazily initialize the conflict count and use it
9219         as the first tie-breaker.
9220         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
9221         and wipe conflicts_ and map_ around the call to qsort.  Remove
9222         special case for 2 coalesce pairs.
9223         * bitmap.c (bitmap_count_unique_bits): New function.
9224         (bitmap_count_bits_in_word): New function, extracted from
9225         bitmap_count_bits.
9226         (bitmap_count_bits): Use bitmap_count_bits_in_word.
9227         * bitmap.h (bitmap_count_unique_bits): Declare it.
9229 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
9231         PR target/69917
9232         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
9233         transparent alias chain for decl assembler name.
9234         * config/sol2.c (solaris_assemble_visibility): Likewise.
9236 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9238         * config/arm/arm1020e.md (1020call_op): Reduce reservation
9239         duration.
9240         (v10_fdivs): Likewise.
9241         (v10_fdivd): Likewise.
9243 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9245         PR driver/70132
9246         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
9247         to not call fclose twice on file.
9249 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
9251         PR tree-optimization/70354
9252         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9253         oprnd0 is wider than oprnd1 and there is a cast from the wider
9254         type to oprnd1, mask it with the mask of the narrower type.
9256         PR target/70321
9257         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
9258         Optimize TARGET_STV splitters, if high or low word of last argument
9259         is 0 or -1.
9261 2016-03-22  Jeff Law  <law@redhat.com>
9263         PR target/70232
9264         tree-ssa-threadbackward.c
9265         (fsm_find_control_statement_thread_paths): Correctly distinguish
9266         between old style jump threads vs FSM jump threads.
9268 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
9270         PR target/70302
9271         * config/i386/i386.c (scalar_chain::convert_op): Support
9272         uninitialized register usage case.
9274 2016-03-22  Richard Biener  <rguenther@suse.de>
9276         PR middle-end/70251
9277         * genmatch.c (gen_transform): Adjust last parameter to a three-state
9278         int...
9279         (capture::gen_transform): ... to change behavior when substituting
9280         a condition into cond or not-cond expr context.
9281         (dt_simplify::gen_1): Adjust.
9282         * gimple-match-head.c: Include gimplify.h for unshare_expr.
9283         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
9284         last change and instead change to
9285         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
9286         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9288 2016-03-22  Anthony Green  <green@moxielogic.com>
9290         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
9291         issue for moxiebox targets.
9292         (CC1PLUS_SPEC): Ditto.
9294 2016-03-22  Richard Biener  <rguenther@suse.de>
9296         PR middle-end/70333
9297         * fold-const.c (extract_muldiv_1): Properly perform multiplication
9298         in the wide type.
9300 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9302         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
9304 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9306         PR target/70325
9307         * config/i386/i386.c (def_builtin): Handle
9308         OPTION_MASK_ISA_AVX512VL to be and-ed with other
9309         bits.
9310         (const struct builtin_description bdesc_special_args[]):
9311         Remove duplicate ISA bits.
9313 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
9315         PR target/70329
9316         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
9317         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
9318         in a way that works also for AVX512BW.
9320         PR target/70300
9321         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
9322         instead of source if operands[1] is xmm16 and above and
9323         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
9324         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
9326         PR c++/70295
9327         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
9328         on assign if (*from_p) is a comparison, set it to
9329         TREE_NO_WARNING (*from_p).
9331 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9333         PR middle-end/70326
9334         * lra.c (restore_scratches): Ignore deleted insns.
9336 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
9337             Jakub Jelinek  <jakub@redhat.com>
9339         PR tree-optimization/70317
9340         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
9341         to HONOR_NANS.
9343 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
9345         PR target/70327
9346         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
9347         of ix86_expand_move.
9348         (movoi): Ditto.
9349         (movti): Use general_operand for operand 1 predicate.
9351 2016-03-21  Martin Liska  <mliska@suse.cz>
9353         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
9354         insns.
9355         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
9357 2016-03-21  Martin Liska  <mliska@suse.cz>
9359         PR ipa/70306
9360         * ipa-icf.c (sem_function::parse): Skip static
9361         constructors and destructors.
9363 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9365         PR target/70296
9366         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
9367         function-like macro, peek following token(s) if it is followed
9368         by CPP_OPEN_PAREN token with optional padding in between, and
9369         if not, don't treat it like a macro.
9371 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
9372             Alexander Monakov  <amonakov@ispras.ru>
9374         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
9375         for the stabs debug format.
9377 2016-03-21  Richard Biener  <rguenther@suse.de>
9379         PR tree-optimization/70310
9380         * tree-vect-generic.c (expand_vector_condition): Fold the built
9381         condition.
9383 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
9385         PR target/70293
9386         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
9387         Block third alternative for AVX-512VL target,
9389 2016-03-21  Martin Liska  <mliska@suse.cz>
9391         PR hsa/70234
9392         * hsa-brig.c (emit_function_directives): Mark unemitted
9393         global variables for emission.
9394         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
9395         (get_symbol_for_decl): Likewise.
9396         * hsa.h (struct hsa_symbol): New flag.
9398 2016-03-21  Richard Biener  <rguenther@suse.de>
9400         PR tree-optimization/70288
9401         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
9402         we do not estimate unsimplified all-constant conditionals or
9403         switches as optimized away.
9405 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
9407         PR rtl-optimization/69102
9408         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
9409         when we have a readonly dependency context.
9411 2016-03-18  Jeff Law  <law@redhat.com>
9413         PR rtl-optimization/70263
9414         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
9415         (update_equiv_regs): When trying to move a store to after the insn
9416         that sets the source of the store, make sure the store occurs after
9417         the insn that sets the source of the store.  When successful note
9418         the REG_EQUIV note created in the dump file.
9420 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
9421             Bernd Schmidt  <bschmidt@redhat.com>
9423         * doc/extend.texi: Document more potential problems with basic asms.
9425 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
9427         PR rtl-optimization/70278
9428         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
9429         VOIDmode.
9431 2016-03-18  Jason Merrill  <jason@redhat.com>
9433         * calls.c (load_register_parameters): Fix zero size sibcall logic.
9435 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
9437         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
9438         values to 128b regs.
9440 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
9442         PR tree-optimization/70252
9443         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
9444         boolean vector has a proper number of elements.
9445         (supportable_narrowing_operation): Likewise.
9447 2016-03-18  Tom de Vries  <tom@codesourcery.com>
9449         PR ipa/70269
9450         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
9452 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
9454         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
9455         instead of replace_rtx for DEBUG_INSNs.
9457 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9459         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
9460         load type reservations.
9462 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
9464         PR target/70188
9465         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
9466         define_constraint for "Q" and "T" constraints.
9468 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
9470         Tweak the pipeline model for Exynos M1
9472         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
9473         model.
9475 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
9477         PR c/70264
9478         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
9479         where one or both locations aren't within a line_map.
9481 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9483         PR driver/70192
9484         * opts.c (finish_options): Don't set flag_pie to the default if
9485         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
9486         if it is -1.
9488 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
9490         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
9491         true as ALL_REGS argument to replace_rtx.
9493 2016-03-17  Richard Biener  <rguenther@suse.de>
9495         PR debug/70271
9496         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
9497         last.
9499 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
9501         PR target/70245
9502         * rtl.h (replace_rtx): Add ALL_REGS argument.
9503         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
9504         equality and assert mode is the same, instead of just rtx pointer
9505         equality.
9506         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
9507         true as ALL_REGS argument to replace_rtx.
9509 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
9511         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
9512         for boolean vector with vector mode only.
9513         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9515 2016-03-17  Nick Clifton  <nickc@redhat.com>
9517         PR target/70162
9518         * config/rx/rx.c (rx_print_integer): Print negative constants in
9519         decimal.
9521 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
9523         PR target/70261
9524         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
9526 2016-03-16  Richard Henderson  <rth@redhat.com>
9527             Richard Biener  <rguenth@suse.de>
9529         PR middle-end/70240
9530         PR middle-end/68215
9531         PR tree-opt/68714
9532         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
9533         first operand as is_gimple_condexpr.
9535         PR middle-end/70240
9536         PR middle-end/68215
9537         Revert r231575
9538         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
9539         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
9540         Do not gimplify the result.
9541         (do_unop): Adjust call to tree_vec_extract.
9542         (do_binop): Likewise.
9543         (do_compare): Likewise.
9544         (do_plus_minus): Likewise.
9545         (do_negate): Likewise.
9546         (expand_vector_condition): Likewise.
9547         (do_cond): Likewise.
9549 2016-03-16  Richard Henderson  <rth@redhat.com>
9551         PR target/70048
9552         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
9553         (aarch64_classify_address): Use it.
9554         (aarch64_legitimize_address): Force all subexpressions of PLUS
9555         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
9557 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
9558             Richard Biener  <rguenth@suse.de>
9560         PR target/70245
9561         * rtlanal.c (replace_rtx): For REG, if from is a REG,
9562         return to even if only REGNO is equal, and assert
9563         mode is the same.
9565 2016-03-11  Jeff Law  <law@redhat.com>
9567         PR rtl-optimization/70224
9568         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
9570 2016-03-16  Richard Henderson  <rth@redhat.com>
9572         PR middle-end/70199
9573         * function.h (struct function): Add has_forced_label_in_static.
9574         * gimplify.c (force_labels_r): Set it.
9575         * lto-streamer-in.c (input_struct_function_base): Read it.
9576         * lto-streamer-out.c (output_struct_function_base): Write it.
9577         * tree-inline.c (has_label_address_in_static_1): Remove.
9578         (copy_forbidden): Remove fndecl parameter; test
9579         has_forced_label_in_static.
9580         (inline_forbidden_p): Update call to copy_forbidden.
9581         (tree_versionable_function_p): Likewise.
9582         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
9583         (chkp_versioning): Likewise.
9584         * tree-inline.h (copy_forbidden): Update decl.
9586 2016-03-16  Marek Polacek  <polacek@redhat.com>
9588         PR c/70093
9589         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
9590         function being thunked if the result type doesn't have fixed size.
9591         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
9592         doesn't have fixed size.
9594 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
9596         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
9597         reporting malformed loop nest.
9599 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9601         PR lto/70187
9602         * ipa-devirt.c (possible_polymorphic_call_targets): Move
9603         nodes.length () == 1 test to before first nodes[0] access.
9605 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9607         PR tree-optimization/68715
9608         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
9609         single_pred_p test.
9611 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9613         PR tree-optimization/68809
9614         * graphite-scop-detection.c (same_close_phi_node): Test if result types
9615         are the same.
9617 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
9618             Sandra Loosemore  <sandra@codesourcery.com>
9620         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
9621         on leaf attribute. Mention ELF interposition problems.
9623 2016-03-16  Alan Modra  <amodra@gmail.com>
9625         PR rtl-optimization/69195
9626         PR rtl-optimization/47992
9627         * ira.c (indirect_jump_optimize): Ignore artificial defs.
9628         Add comments.
9630 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
9632         PR bootstrap/69513
9633         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
9635 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
9637         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
9639 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
9641         PR rtl-optimization/70222
9642         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
9643         optimization if mode is different from result_mode, queue up masking
9644         of the result in outer_op.  Formatting fix.
9646         PR middle-end/70239
9647         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
9648         of safe_grow.
9650 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
9652         PR rtl-optimization/69032
9653         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
9654         looping backwards over basic block insns.
9656 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
9658         PR target/66660
9659         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
9660         to non-speculative when propagating trap bits.
9662 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
9664         PR rtl-optimization/63384
9665         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
9666         DEBUG_INSN_P insns.
9668 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
9670         PR target/64411
9671         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
9672         factored out from ...
9673         (sched_analyze_insn): ... here.
9674         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
9675         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
9676         get_implicit_reg_pending_clobbers in it.
9677         (setup_id_reg_sets): Use setup_id_implicit_regs.
9678         (deps_init_id): Ditto.
9680 2016-03-15  Tom de Vries  <tom@codesourcery.com>
9682         PR ipa/70161
9683         * cgraph.c (cgraph_node::get_body): Save, reset and restore
9684         dump_file_name.
9685         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
9686         execute_function_dump.
9687         (execute_one_pass): Don't dump function if it will be dumped after ipa
9688         transform.
9690 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
9692         * genrecog.c (match_pattern_2): If pred is NULL don't call
9693         safe_predicate_mode on it.
9695 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
9697         PR middle-end/70219
9698         * lra-constraints.c (delete_move_and_clobber): Change assertion
9699         to also allow dregno == 0.
9701 2016-03-14  Richard Henderson  <rth@redhat.com>
9703         PR tree-opt/68714
9704         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
9705         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
9706         (reassociate_bb): Use optimize_vec_cond_expr; avoid
9707         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
9708         on vectors.
9710 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
9712         PR target/70083
9713         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
9714         regs.
9715         (lra_create_live_ranges_1): initialize hard register biggest_mode to
9716         VOIDmode.
9717         * lra-constraints.c (split_reg): For hard regs, try to find the
9718         biggest single-register mode used in the function.
9720 2016-03-14  Richard Biener  <rguenther@suse.de>
9722         PR tree-optimization/56365
9723         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
9724         constants to compare against.
9726 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
9728         PR target/70098
9729         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
9730         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
9731         (define_split for the GPR case): Use int_reg_operand instead of
9732         gpc_reg_operand for the output.
9734 2016-03-14  Tom de Vries  <tom@codesourcery.com>
9736         PR tree-optimization/70045
9737         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
9738         create_empty_if_region_on_edge argument.
9740 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
9742         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
9743         (STACK_CHECK_PROTECT): Likewise.
9744         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
9745         (STACK_CHECK_PROTECT): Likewise.
9746         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
9747         (STACK_CHECK_PROTECT): Likewise.
9748         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
9749         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
9750         (STACK_CHECK_PROTECT): Likewise.
9752 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
9754         PR rtl-optimization/69307
9755         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
9756         registers in modes that span more than one register.
9758 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9760         PR target/69614
9761         * lra-constraints.c (delete_move_and_clobber): New.
9762         (remove_inheritance_pseudos): Use it.
9764 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
9766         PR ada/70017
9767         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
9768         the libcall is LCT_THROW.
9769         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
9770         for the checking routine.
9772 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
9774         PR target/70131
9775         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
9776         optimization if we have direct move.
9777         (roundu32<mode>2_fprs): Likewise.
9779 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
9781         PR target/70123
9782         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
9783         be rematerialized.
9784         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
9785         Arguments swapped.  All callers changed.  Take reg_renumber into
9786         account, and Calculate and compare register ranges for hard regs.
9788 2016-03-11  Jeff Law  <law@redhat.com>
9790         PR tree-optimization/70190
9791         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9792         Handle cases where we can not extract the taken edge, even though we
9793         found a constant value.
9795         PR tree-optimization/64058
9796         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
9797         (num_coalesce_pairs): Move up earlier in file.
9798         (find_coalesce_pair): Initialize the INDEX field for each pair
9799         discovered.
9800         (compare_pairs): No longer sort on the elements in each pair.
9801         Instead break ties with the index of the coalesce pair.
9803 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9805         PR target/70002
9806         * config/aarch64/aarch64-protos.h
9807         (aarch64_save_restore_target_globals): New prototype.
9808         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
9809         Call the above when popping pragma.
9810         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
9811         New function.
9812         (aarch64_set_current_function): Rewrite using the above.
9814 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
9816         PR tree-optimization/70177
9817         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
9818         (extract_ops_from_tree): ... this.  In the 2 argument
9819         overload remove _1 suffix.
9820         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
9821         (extract_ops_from_tree): ... this.
9822         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
9823         Adjust callers.
9824         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
9825         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
9826         extract_ops_from_tree instead of 2 operand one.
9828 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
9830         PR tree-optimization/70013
9831         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
9832         for constant-pool entries.
9834 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
9836         PR rtl-optimization/70174
9837         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
9838         followed by gen_lowpart on force_reg instead of just gen_lowpart.
9840         PR tree-optimization/70169
9841         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
9842         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
9843         for unknown codes.
9845 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
9846             Jakub Jelinek  <jakub@redhat.com>
9848         PR target/70160
9849         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
9850         of uninitialized values.
9852 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9854         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
9855         define_expand.
9856         ("*trunctddd2"): New pattern definition.
9857         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
9858         TD->DD truncation.
9860 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9862         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
9863         definitions for BFP and DFP rounding modes.
9864         ("fixuns_truncdddi2", "fixuns_trunctddi2")
9865         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
9866         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
9867         ("fix_trunctf<mode>2"): Use the new constants instead of magic
9868         numbers.
9870 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9872         * config/s390/constraints.md: Adjust comment.
9873         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
9874         s390_decompose_addrstyle_without_index.
9875         * config/s390/predicates.md (shift_count_or_setmem_operand):
9876         Rename to setmem_operand.
9877         * config/s390/s390-protos.h
9878         (s390_decompose_shift_count): Rename to
9879         s390_decompose_addrstyle_without_index.
9880         * config/s390/s390.c (s390_decompose_shift_count)
9881         (s390_mem_constraint, print_shift_count_operand)
9882         (print_operand_address, print_operand): Rename
9883         s390_decompose_shift_count to
9884         s390_decompose_addrstyle_without_index and rename
9885         print_shift_count_operand to print_addrstyle_operand troughout the
9886         file.
9887         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
9888         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
9889         Rename shift_count_or_setmem_operand to setmem_operand.
9890         * config/s390/vx-builtins.md ("vec_insert<mode>")
9891         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
9892         nonmemory_operand.
9894 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9896         PR target/70168
9897         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
9898         Handle overlapping retval and newval.
9900 2016-03-10  Nick Clifton  <nickc@redhat.com>
9902         PR target/7044
9903         * config/aarch64/aarch64.c
9904         (aarch64_override_options_after_change_1): When forcing
9905         flag_omit_frame_pointer to be true, use a special value that can
9906         be detected if this function is called again, thus preventing
9907         flag_omit_leaf_frame_pointer from being forced to be false.
9909 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9911         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
9912         Set x_flag_omit_leaf_frame_pointer when handling
9913         -momit-leaf-frame-pointer.
9915 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9917         PR lto/69589
9918         * cgraph.c (cgraph_node::dump): Dump split_part and
9919         indirect_call_target.
9920         * cgraph.h (cgraph_node): Add indirect_call_target flag.
9921         * ipa.c (has_addr_references_p): Cleanup.
9922         (is_indirect_call_target_p): New.
9923         (walk_polymorphic_call_targets): Do not mark virtuals that may be
9924         called indirectly as local.
9925         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
9927 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9929         PR ipa/69630
9930         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
9931         on cxa_pure_virtual.
9933 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9935         PR lto/69589
9936         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
9938 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9940         PR lto/69589
9941         * tree.c (need_assembler_name_p): Only record main variant type names.
9943 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
9945         PR target/70113.
9946         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
9947         Always define to 0 or 1.
9948         (TARGET_FIX_ERR_A53_843419): New macro.
9949         * config/aarch64/aarch64-elf-raw.h
9950         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
9951         * config/aarch64/aarch64-linux.h: Likewise.
9952         * config/aarch64/aarch64.c
9953         (aarch64_override_options_after_change_1): Do not default
9954         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
9955         843419 is on.
9956         (aarch64_attributes): Handle fix-cortex-a53-843419.
9957         (aarch64_can_inline_p): Likewise.
9958         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
9960 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
9961         Jakub Jelinek <jakub@redhat.com>
9963         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
9964         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
9965         DECL_COMMONS if flag_unconstrained_commons is set.
9966         * tree-dfa.c (get_ref_base_and_extent): Likewise.
9967         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
9968         (funconstrained-commons): Document.
9970 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
9972         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
9973         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
9975 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
9977         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
9978         has a proper number of elements.
9980 2016-03-10  Alan Modra  <amodra@gmail.com>
9982         PR rtl-optimization/69195
9983         PR rtl-optimization/47992
9984         * ira.c (recorded_label_ref): Delete.
9985         (update_equiv_regs): Return void.
9986         (indirect_jump_optimize): New function.
9987         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
9988         before regstat_compute_ri.  Don't rebuild_jump_labels here.
9989         Delete update_regstat.
9991 2016-03-10  Richard Biener  <rguenther@suse.de>
9993         PR tree-optimization/70128
9994         * tree-ssa-structalias.c (set_uids_in_ptset): Set
9995         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
9997 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
9999         PR tree-optimization/70152
10000         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10001         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10003         PR target/70086
10004         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10005         instead of gen_sse2_loadlpd.
10006         * config/i386/sse.md (*vec_concatv2df): Rename to...
10007         (vec_concatv2df): ... this.
10009         PR tree-optimization/70127
10010         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10012 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10014         PR c/68473
10015         PR c++/70105
10016         * diagnostic-show-locus.c (compatible_locations_p): New function.
10017         (layout::layout): Sanitize ranges using compatible_locations_p.
10019 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10021         PR c/68473
10022         PR c++/70105
10023         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10024         location_range param with three const expanded_locations * and a
10025         bool.
10026         (layout::layout): Replace call to
10027         rich_location::lazily_expand_location with get_expanded_location.
10028         Extract the range and perform location expansion here, passing
10029         the results to the layout_range ctor.
10030         * diagnostic.c (source_range::debug): Delete.
10031         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10032         of rich_location::get_expanded_location.
10033         * gcc-rich-location.c (get_range_for_expr): Delete.
10034         (gcc_rich_location::add_expr): Reimplement to avoid the
10035         rich_location::add_range overload that took a location_range,
10036         passing a location_t instead.
10038 2016-03-09  Richard Biener  <rguenther@suse.de>
10039         Jakub Jelinek  <jakub@redhat.com>
10041         PR tree-optimization/70138
10042         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10043         Also skip vect_double_reduction_def.
10045 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10047         PR target/70049
10048         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10049         if the operand is "m".
10051 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10053         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10055 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10057         * config/i386/i386.c (processor_target_table): Fix cost table
10058         intialization order for znver1.
10060 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10062         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10063         - becuase -> because.
10064         * ipa-reference.c (ignore_module_statics): Likewise.
10065         * cgraph.c (cgraph_node::get_body): Likewise.
10066         * ipa-inline.c (early_inliner): Likewise.
10067         * ipa-devirt.c (types_same_for_odr): Likewise.
10068         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
10069         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
10071 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10073         * tree-ssa-math-opts.c: Fix typo in comment.
10075 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10077         PR target/70110
10078         * config/i386/i386.c (scalar_chain::make_vector_copies,
10079         scalar_chain::convert_reg): Call end_sequence in between
10080         get_insns and emit_conversion_insns rather than after both
10081         calls.
10083 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
10085         PR target/70064
10086         * config/i386/i386.h (machine_function): Add
10087         pc_thunk_call_expanded flag.
10088         (ix86_pc_thunk_call_expanded): New define.
10089         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
10090         (*set_got): Rename insn pattern from set_got.
10091         (*set_got_labelled): Rename inst pattern from set_got_labelled.
10092         * config/i386/i386.c (ix86_compute_frame_layout): Use
10093         ix86_pc_thunk_call_expanded to prevent red-zone.
10095 2016-03-07  Martin Jambor  <mjambor@suse.cz>
10097         * hsa.h (hsa_get_ctor_statements): Declare.
10098         (hsa_get_dtor_statements): Likewise.
10099         (hsa_get_kernel_dispatch_type): Likewise.
10100         * hsa.c (hsa_get_ctor_statements): New function.
10101         (hsa_get_dtor_statements): Likewise.
10102         (hsa_get_kernel_dispatch_type): Likewise.
10103         * hsa-brig.c (hsa_cdtor_statements): Removed.
10104         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
10105         hsa_get_dtor_statements.
10106         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
10107         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
10109 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
10111         * config/arm/arm-cores.def (cortex-r8): New.
10112         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
10113         * config/arm/arm-tune.md: Likewise.
10114         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
10116 2016-03-07  Martin Sebor  <msebor@redhat.com>
10118         PR rtl-optimization/19705
10119         * doc/invoke.texi (Options That Control Optimization): Clarify
10120         -fno-branch-count-reg.
10122 2016-02-26  Richard Biener  <rguenther@suse.de>
10123             Jeff Law  <law@redhat.com>
10125         PR tree-optimization/69740
10126         * cfghooks.c (remove_edge): Request loop fixups if we delete
10127         an edge that might turn an irreducible loop into a natural
10128         loop.
10129         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
10130         Move after definition of loops_state_clear.
10132 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
10134         PR rtl-optimization/69052
10135         * rtlanal.c (commutative_operand_precedence): Set higher precedence
10136         to CONST_WIDE_INT.
10138 2016-03-07  Tom de Vries  <tom@codesourcery.com>
10140         PR tree-optimization/70116
10141         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
10142         is_tm_ending stmts and ubsan/asan internal functions.
10143         (find_duplicate): Use it.  Don't test is_tm_ending here.
10145 2016-03-07  Richard Biener  <rguenther@suse.de>
10147         PR tree-optimization/70115
10148         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
10149         (propagate_constants_for_unrolling): Use replace_uses_by.
10151 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
10153         PR middle-end/69916
10154         * omp-low.c (struct oacc_loop): Add ifns.
10155         (new_oacc_loop_raw): Initialize it.
10156         (finish_oacc_loop): Clear mask & flags if no ifns.
10157         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
10158         (oacc_loop_xform_loop): Add ifns arg & adjust.
10159         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
10161 2016-03-07  Richard Henderson  <rth@redhat.com>
10163         PR rtl-opt/70061
10164         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
10165         (insert_value_copy_on_edge): Likewise.
10167 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10169         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
10171 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10173         PR target/62281
10174         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
10176 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10178         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
10180 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10182         Fix sseimul type attribute.
10183         * config/i386/znver1.md
10184         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
10185         znver1_sseimul_avx256_load) : Fix the type attribute.
10186         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
10187         pipe usage and latency.
10189 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
10191         PR c++/70084
10192         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
10193         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
10194         to the right type.
10196 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10198         PR c/69973
10199         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
10201         PR rtl-optimization/69941
10202         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
10203         the reg share its mode.
10205 2016-03-04  Jeff Law  <law@redhat.com>
10207         PR tree-optimization/69196
10208         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10209         If the both SSA_NAMEs are anonymous, then consider them unassociated
10210         and include the PHI in the statement count.
10212 2016-03-05  Tom de Vries  <tom@codesourcery.com>
10214         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
10215         construct in oacc routine.  Check for oacc region in oacc routine.
10217 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10219         PR target/70062
10220         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
10221         2016-02-22 changes, instead don't recurse if RECUR is already true.
10222         Don't change *dynamic_check if RECUR.  Adjust recursive caller
10223         to pass true to the new argument.
10224         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
10226         PR target/70059
10227         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10228         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
10229         fixes.
10230         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
10232 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10234         PR rtl-optimization/57676
10235         * lra-assigns.c (lra_assign): Guard test for maximum iterations
10236         with flag_checking.
10238 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
10240         * tree-vect-patterns.c (search_type_for_mask): Handle
10241         comparison of booleans.
10243 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10245         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
10246         Fix @xref usage.
10248         PR debug/69947
10249         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
10250         all other ops that have dw_val_class_die_ref operands,
10251         and DW_OP_GNU_entry_value.
10253 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10255         PR rtl-optimization/69904
10256         * config/arm/arm.c (arm_cannot_copy_insn_p):
10257         Return true for load-exclusive instructions.
10259 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
10261         PR target/70021
10262         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
10263         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
10264         the pattern no matter if it is used just by non-pattern, pattern
10265         or mix thereof.
10266         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
10267         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10268         oprnd1 def_stmt is in pattern, don't look through it.
10270 2016-03-03  Marek Polacek  <polacek@redhat.com>
10272         PR middle-end/70050
10273         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
10275 2016-03-03  Martin Liska  <mliska@suse.cz>
10277         PR tree-optimization/70043
10278         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
10279         previous statement if we see a debug statement.
10281 2016-03-03  Richard Biener  <rguenther@suse.de>
10283         PR tree-optimization/55936
10284         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
10285         parameter and guard unsafe equivalence use.
10286         (vrp_evaluate_conditional_warnv_with_ops): Always use
10287         safe equivalences but not via the quadratic compare_names
10288         helper.
10290 2016-03-03  Michael Collison  <michael.collison@linaro.org>
10292         PR target/70014
10293         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
10294         for operand 1 to s_register_operand. Change predicate for operand
10295         2 to arm_not_immediate_operand.
10297 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
10299         * doc/tm.texi: Regenerated.
10301 2016-03-02  Richard Henderson  <rth@redhat.com>
10303         PR rtl-opt/67145
10304         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
10305         simplification when all args are positive non-fixed registers.
10307 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10309         * target.def (lra_p): Specify that new ports should use LRA.
10311 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10313         PR libgomp/69555
10314         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
10315         gimplify_type_sizes the type they refer to.
10316         (omp_notice_variable): Handle reference vars to VLAs.
10317         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
10318         reference to VLA decls in the second pass instead of first pass.
10320 2016-03-02  Tom de Vries  <tom@codesourcery.com>
10322         PR tree-optimization/68659
10323         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
10324         new_expr == NULL_TREE.
10325         (get_new_name): Handle ADDR_EXPR.
10327 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
10329         PR rtl-optimization/69052
10330         * loop-invariant.c (canonicalize_address): New function.
10331         (inv_can_prop_to_addr_use): Check validity of address expression
10332         which is canonicalized by above function.
10334 2016-03-02  Alan Modra  <amodra@gmail.com>
10336         PR ipa/69990
10337         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
10338         larger alignment.
10340 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10342         PR target/70028
10343         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
10344         (*movhi_internal): Put mask moves from and to memory separately
10345         from moves from/to GPRs.
10347 2016-03-02  Richard Biener  <rguenther@suse.de>
10349         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
10350         GENERIC expressions in GIMPLE.
10352 2016-03-02  Richard Biener  <rguenther@suse.de>
10354         * config/i386/i386.c (type_natural_mode): Fix typo.
10356 2016-03-02  Nick Clifton  <nickc@redhat.com>
10358         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
10360 2016-03-02  Richard Biener  <rguenther@suse.de>
10361             Uros Bizjak  <ubizjak@gmail.com>
10363         PR target/67278
10364         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
10366 2016-03-02  Richard Biener  <rguenther@suse.de>
10368         PR middle-end/67278
10369         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
10371 2016-03-02  Marek Polacek  <polacek@redhat.com>
10373         PR c/67854
10374         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
10375         "is promoted to" warning.
10377 2016-03-01  DJ Delorie  <dj@redhat.com>
10379         * config.gcc: Deprecate mep-*.
10381 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
10383         PR middle-end/70025
10384         * lra-constraints.c (regno_val_use_in): New.
10385         (match_reload): Use it instead of regno_use_in.
10387 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10389         PR rtl-optimization/70007
10390         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
10391         references present in REG_EQUAL notes attached to non-SET patterns.
10393 2016-03-01  Jeff Law  <law@redhat.com>
10395         PR tree-optimization/69196
10396         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10397         Appropriately clamp the number of statements to copy when the
10398         thread path does not traverse a loop backedge.
10400         PR tree-optimization/69196
10401         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10402         Do count some PHIs in the thread path against the insn count.  Decrease
10403         final statement count by one as the control statement in the last
10404         block will get removed.  Remove special cased code for handling PHIs
10405         in the last block.
10407 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
10409         PR target/70027
10410         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
10411         asm dialect alternatives to explicit GOTPCREL calls.
10413 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10415         PR ada/70017
10416         * ira.c (do_reload): Issue warning for generic stack checking here...
10417         * reload1.c (reload): ...instead of here and streamline it.
10419 2016-03-01  Nick Clifton  <nickc@redhat.com>
10421         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
10423 2016-03-01  Richard Biener  <rguenther@suse.de>
10425         PR tree-optimization/69983
10426         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
10427         types and fall back to operand_equal_p.
10429 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10431         Revert
10432         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10434         * config/s390/constraints.md ("jm8"): New constraint.
10435         * config/s390/predicates.md ("const_int_8bitset_operand"): New
10436         predicate.
10437         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
10438         into ...
10439         ("*setmem_long<setmem_and>"): New pattern.
10440         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
10441         into ...
10442         ("*setmem_long_31z<setmem_and>"): New pattern.
10443         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
10444         New substitution rules with the required attributes.
10447 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10449         Revert
10450         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10452         * gensupport.c (process_substs_on_one_elem): Split loop to
10453         complete mark_operands_used_in_match_dup on all expressions in the
10454         vector first.
10455         (adjust_operands_numbers): Inline into process_substs_on_one_elem
10456         and remove function.
10458 2016-03-01  Richard Biener  <rguenther@suse.de>
10460         PR middle-end/70022
10461         * fold-const.c (fold_indirect_ref_1): Fix range checking for
10462         vector BIT_FIELD_REF extract.
10464 2016-03-01  Richard Biener  <rguenther@suse.de>
10466         PR tree-optimization/69994
10467         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
10469 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
10471         PR tree-optimization/69956
10472         * tree-vect-stmts.c (supportable_widening_operation): Support
10473         multi-step conversion of boolean vectors.
10474         (supportable_narrowing_operation): Likewise.
10476 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10478         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
10479         anymore.
10481 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10483         * config/s390/subst.md (DSI_VI): New mode iterator.
10484         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
10485         * config/s390/vector.md ("vec_set<mode>"): Move expander before
10486         the insn definition.
10487         ("*vec_set<mode>"): Change predicate and add alternative to
10488         support only either register or const_int operands as element
10489         selector.
10490         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
10491         operands.
10492         ("vec_extract<mode>"): New expander.
10493         ("*vec_extract<mode>"): New insn definition supporting reg and
10494         const_int element selectors.
10495         ("*vec_extract<mode>_plus"): New insn definition supporting
10496         reg+const_int element selectors.
10497         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
10498         following expander+insn definition.
10499         ("<vec_shifts_name><mode>3"): New expander.
10500         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
10502 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10504         * config/s390/s390.md ("*tabort_1"): Change predicate to
10505         nonmemory_operand.  Add a second alternative to cover
10506         register as well as const int operands.
10507         ("*tabort_1_plus"): New pattern definition.
10509 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10511         * config/s390/s390.md ("*ashrdi3_cc_31")
10512         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
10513         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
10514         Merge insn definitions into ...
10515         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10516         New pattern definition.
10517         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
10518         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
10519         ("*ashr<mode>3_and"): Merge insn definitions into ...
10520         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10521         New pattern definition.
10522         * config/s390/subst.md ("addr_style_op_cc_subst")
10523         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
10524         substitutions patterns plus attributes.
10525         Add ashiftrt to SUBST iterator.
10527 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10529         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
10530         op2 to nonmemory_operand.
10531         ("*<shift>di3_31", "*<shift>di3_31_and"):
10532         Merge into single pattern definition ...
10533         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
10534         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
10535         pattern definition ...
10536         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
10537         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
10538         iterator.
10540 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10542         * config/s390/predicates.md (const_int_6bitset_operand): New
10543         predicate.
10544         * config/s390/s390.md: Include subst.md.
10545         ("rotl<mode>3"): New expander.
10546         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
10547         ...
10548         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
10549         * config/s390/subst.md: New file.
10551 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10553         * config/s390/s390.md ("op_type", "atype", "length" attributes):
10554         Remove RRR type.  It doesn't really exist.
10555         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
10556         attributes.
10557         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
10558         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
10559         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
10560         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
10561         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
10562         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
10563         `enabled' attribute.
10565 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10567         * gensupport.c (process_substs_on_one_elem): Split loop to
10568         complete mark_operands_used_in_match_dup on all expressions in the
10569         vector first.
10570         (adjust_operands_numbers): Inline into process_substs_on_one_elem
10571         and remove function.
10573 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
10575         PR target/69706
10576         * config/sparc/sparc.c (NWORDS_UP): Rename to...
10577         (CEIL_NWORDS): ...this.  Use CEIL macro.
10578         (compute_fp_layout): Adjust to above renaming.
10579         (function_arg_union_value): Likewise.
10580         (sparc_arg_partial_bytes): Likewise.
10581         (sparc_function_arg_advance): Likewise.
10583 2016-02-29  Jeff Law  <law@redhat.com>
10585         PR tree-optimization/70005
10586         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
10587         where an object with a boolean range is compared against a value
10588         outside [0..1].
10590         PR tree-optimization/69999
10591         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
10592         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
10593         loop cleanups.
10595 2016-02-29  Richard Biener  <rguenther@suse.de>
10597         PR tree-optimization/69994
10598         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
10599         (get_unary_op): Look through nop conversions.
10600         (ops_equal_values_p): New function, look for equality diregarding
10601         nop conversions.
10602         (eliminate_plus_minus_pair): Use ops_equal_values_p
10603         (repropagate_negates): Do not use get_unary_op here.
10605 2016-02-29  Martin Liska  <mliska@suse.cz>
10607         * system.h: Poison ENABLE_CHECKING macro.
10609 2016-02-29  Martin Liska  <mliska@suse.cz>
10611         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
10612         is presented in dump flags.
10613         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
10614         (hsa_regalloc): Likewise.
10616 2016-02-19  Richard Biener  <rguenther@suse.de>
10618         PR tree-optimization/69980
10619         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
10620         permutation of those we need to keep.
10622 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
10624         PR target/69706
10625         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
10626         (NWORDS_UP): ...this
10627         (init_cumulative_args): Minor tweaks.
10628         (sparc_promote_function_mode): Likewise.
10629         (scan_record_type): Delete.
10630         (traverse_record_type): New function template.
10631         (classify_data_t): New structure type.
10632         (classify_registers): New inline function.
10633         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
10634         exhausted.  Instantiate traverse_record_type on classify_registers and
10635         deal with the case of a structure passed in slot #15 with no FP field
10636         in the first word.
10637         (assign_data_t): New structure type.
10638         (compute_int_layout): New static function.
10639         (compute_fp_layout): Likewise.
10640         (count_registers): New inline function.
10641         (assign_int_registers): New static function.
10642         (assign_fp_registers): Likewise.
10643         (assign_registers): New inline function.
10644         (function_arg_record_value_1): Delete.
10645         (function_arg_record_value_2): Likewise.
10646         (function_arg_record_value_3): Likewise.
10647         (function_arg_record_value): Adjust to above changes.  Instantiate
10648         traverse_record_type on count_registers to first count the number of
10649         registers to be used and then on assign_registers to assign them.
10650         (function_arg_union_value): Adjust to above renaming.
10651         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
10652         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
10653         case of a structure passed in slot #15
10654         (sparc_function_arg_advance): Likewise.
10655         (function_arg_padding): Minor tweak.
10657 2016-02-29  Richard Biener  <rguenther@suse.de>
10659         PR tree-optimization/69720
10660         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
10661         the adjustment_def path for possibly vectorized defs.
10662         (vect_create_epilog_for_reduction): Handle vectorized initial
10663         defs properly.
10665 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
10667         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
10669 2016-02-27  Jeff Law  <law@redhat.com>
10671         Revert
10672         2016-02-26  Richard Biener  <rguenther@suse.de>
10673                     Jeff Law  <law@redhat.com>
10675         PR tree-optimization/69740
10676         * cfghooks.c (remove_edge): Request loop fixups if we delete
10677         an edge that might turn an irreducible loop into a natural
10678         loop.
10680 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
10682         PR rtl-optimization/69896
10683         * tree-vect-generic.c (get_compute_type): Avoid single element
10684         vector types.
10686 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
10688         Rename the AArch64 tuning option and related functions to enable the
10689         Newton series for the reciprocal square root to reflect its
10690         approximative characteristic.
10692         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
10693         function to "aarch64_emit_approx_rsqrt".
10694         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
10695         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
10696         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
10697         (xgene1_tunings): Likewise.
10698         (use_rsqrt_p): Likewise.
10699         (aarch64_emit_swrsqrt): Use new function name.
10700         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
10701         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
10702         text explaining this option.
10703         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
10705 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
10707         PR target/69969
10708         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
10709         complain about -mallow-movmisalign without -mvsx if
10710         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
10712 2016-02-26  Joel Sherrill  <joel@rtems.org>
10714         * config.gcc: Add x86_64-*-rtems*.
10715         * config/i386/rtems-64.h: New file.
10717 2016-02-26  Joel Sherrill  <joel@rtems.org>
10719         * config.gcc: Add aarch64-*-rtems*.
10720         * config/aarch64/rtems.h: New file.
10722 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
10724         PR target/69946
10725         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
10726         shift amount using %h.  Add comment.
10728 2016-02-26  Richard Biener  <rguenther@suse.de>
10729             Jeff Law  <law@redhat.com>
10731         PR tree-optimization/69740
10732         * cfghooks.c (remove_edge): Request loop fixups if we delete
10733         an edge that might turn an irreducible loop into a natural
10734         loop.
10736 2016-02-26  Martin Jambor  <mjambor@suse.cz>
10738         PR middle-end/69920
10739         * tree-sra.c (sra_modify_assign): Do not remove loads of
10740         uninitialized aggregates to SSA_NAMEs.
10742 2016-02-26  Richard Henderson  <rth@redhat.com>
10744         PR target/69709
10745         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
10746         pseudo in case the target rtx matches the source of the left
10747         shift.
10749 2016-02-26  Martin Jambor  <mjambor@suse.cz>
10751         PR hsa/69568
10752         * hsa.h (hsa_type_packed_p): Declare.
10753         * hsa.c (hsa_type_packed_p): New function.
10754         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
10755         loads.
10756         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
10757         * hsa-brig.c (emit_basic_insn): Likewise.
10759 2016-02-26  Martin Jambor  <mjambor@suse.cz>
10761         pr hsa/69674
10762         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
10763         pointers.
10764         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
10766 2016-02-26  Martin Jambor  <mjambor@suse.cz>
10768         * hsa.h (is_a_helper): New overload for hsa_op_immed for
10769         hsa_op_with_type operands.
10770         (hsa_unsigned_type_for_type): Declare.
10771         * hsa.c (hsa_unsigned_type_for_type): New function.
10772         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
10773         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
10774         the finalizer.  Do not emit extra move.
10776 2016-02-26  Martin Jambor  <mjambor@suse.cz>
10778         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
10779         atomic operations in private segment.
10781 2016-02-26  Martin Jambor  <mjambor@suse.cz>
10783         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
10784         statements to wi->info.  Also disallow omp simd constructs.
10785         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
10786         for not gridifying.  Dump special string for omp_for.
10788 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10790         PR target/69245
10791         * config/aarch64/aarch64.c (aarch64_set_current_function):
10792         Save/restore target globals when switching to
10793         target_option_default_node.
10795 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10797         PR target/69613
10798         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
10799         Return 0 if !SHIFT_COUNT_TRUNCATED.
10801 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
10802             Eric Botcazou  <ebotcazou@adacore.com>
10804         PR rtl-optimization/69891
10805         * dse.c (scan_insn): If we can't figure out memset arguments
10806         or they are non-constant, call clear_rhs_from_active_local_stores.
10808 2016-02-26  Martin Liska  <mliska@suse.cz>
10810         * doc/extend.texi: Mention clog10, clog10f an clog10l
10811         in Builtins section.
10813 2016-02-26  Martin Liska  <mliska@suse.cz>
10815         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
10816         CHECKING_P.
10817         (resolve_args_picking_1): Likewise.
10818         * dwarf2out.h (struct GTY): Likewise.
10820 2016-02-26  Martin Liska  <mliska@suse.cz>
10822         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
10823         with flag_checking.
10824         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
10826 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
10827             Martin Liska  <mliska@suse.cz>
10829         * doc/install.texi: Mention --enable-valgrind-annotations.
10831 2016-02-26  Richard Biener  <rguenther@suse.de>
10833         PR tree-optimization/69551
10834         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
10835         looking through aliases adjust DECL_PT_UID to refer to the
10836         ultimate alias target.
10838 2016-02-25  Martin Liska  <mliska@suse.cz>
10840         PR middle-end/69919
10841         * alloc-pool.c (after_memory_report): New variable.
10842         * alloc-pool.h (base_pool_allocator ::release): Do not use
10843         the infrastructure if after_memory_report.
10844         * toplev.c (toplev::main): Mark after memory report.
10846 2016-02-25  Richard Biener  <rguenther@suse.de>
10848         PR tree-optimization/48795
10849         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
10851 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
10853         PR driver/68463
10854         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
10855         offloading is enabled and -fopenacc or -fopenmp is specified.
10856         (CRTOFFLOADEND): Likewise.
10857         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
10858         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
10859         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
10860         (offload_objects_file_name): New static var.
10861         (tool_cleanup): Remove offload_objects_file_name file.
10862         (find_offloadbeginend): Replace with ...
10863         (find_crtoffloadtable): ... this.
10864         (run_gcc): Remove offload_argc and offload_argv.
10865         Get offload_objects_file_name from -foffload-objects=... option.
10866         Read names of object files with offload from this file, pass them to
10867         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
10868         don't pass offloadbegin and offloadend to the linker.  Don't pass
10869         offload non-LTO files to the linker, because now they're not claimed.
10871 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
10873         PR ipa/69630
10874         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10875         on builtin_unreachable.
10877 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
10879         PR rtl-optimization/69896
10880         * regcprop.c: Include cfgrtl.h.
10881         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
10882         than remembered mode, either delete it (if noop_move_p), or
10883         treat like copy_p but not noop_p instruction.
10885 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
10887         PR debug/69705
10888         * dwarf2out.c (gen_variable_die): Work around buggy LTO
10889         - allow NULL decl for Fortran DW_TAG_common_block variables.
10891 2016-02-24  Jason Merrill  <jason@redhat.com>
10893         * common.opt (flifetime-dse): Add -flifetime-dse=1.
10895 2016-02-24  Richard Biener  <rguenther@suse.de>
10896             Jakub Jelinek  <jakub@redhat.com>
10898         PR middle-end/69760
10899         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
10900         conditionally executed ops to well-defined overflow behavior.
10902 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
10904         PR middle-end/69915
10905         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
10906         elements.
10908 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10910         PR rtl-optimization/69886
10911         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
10912         argument.  Use it when checking validity of set instructions.
10913         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
10914         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
10915         callsite.
10916         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
10917         * store-motion.c (find_moveable_store): Update
10918         can_assign_to_reg_without_clobbers_p callsite.
10920 2016-02-24  Richard Biener  <rguenther@suse.de>
10922         PR middle-end/68963
10923         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
10924         bogus check.
10925         (record_nonwrapping_iv): Do not fall back to the low/high bound
10926         for non-constant IV bases if the stmt is not always executed.
10928 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10930         * config/arm/arm-cores.def (cortex-a32): New entry.
10931         * config/arm/arm-tables.opt: Regenerate.
10932         * config/arm/arm-tune.md: Regenerate.
10933         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
10934         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
10935         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
10936         for -mcpu and -mtune.
10938 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10940         PR target/69875
10941         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
10942         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
10943         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
10944         (atomic_loaddi_1): Delete.
10945         (atomic_loaddi): Rewrite expander using the above changes.
10947 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
10949         PR c/69918
10950         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
10951         2 to 3.
10953 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
10954             Richard Biener  <rguenth@suse.de>
10956         PR middle-end/69909
10957         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
10958         set_mem_attributes if tem is SSA_NAME which got expanded
10959         as a MEM.
10961 2016-02-24  Richard Biener  <rguenther@suse.de>
10963         PR tree-optimization/69907
10964         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
10965         end of permutations for BB vectorization.
10967 2016-02-24  Christian Bruel  <christian.bruel@st.com>
10969         * config/arm/arm-c.c (arm_option_override): Initialize
10970         target_option_current_node.
10971         * config/arm/arm.c (arm_pragma_target_parse): Replace
10972         build_target_option_node call by target_option_current_node.
10973         Set target_option_current_node.
10974         Fix comments.
10976 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
10978         PR target/69810
10979         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
10980         define_insn_and_split to define_insn.
10981         (zero_extendqi<mode>2_dot2): Same.
10982         (extendqi<mode>2_dot): Same.
10983         (extendqi<mode>2_dot2): Same.
10985 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
10987         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
10988         and add bypass for AES{D,E} and AESMC pairs.
10989         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
10990         and AESMC pairs.
10992 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
10994         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
10995         series for reciprocal square root in Exynos M1.
10997 2016-02-23  Martin Sebor  <msebor@redhat.com>
10999         PR c/69759
11000         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11001         __builtin_alloca_with_align.
11003 2016-02-23  Richard Henderson  <rth@redhat.com>
11005         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11006         (ix86_register_pragmas): Remove __seg_tls.
11007         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11008         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11009         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11010         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11011         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11012         * doc/extend.texi (__seg_tls): Remove item.
11014 2016-02-23  Richard Biener  <rguenther@suse.de>
11016         * alloc-pool.h (struct allocation_object): Make id member
11017         conditional on CHECKING_P again.
11018         (get_instance): Adjust.
11019         (base_pool_allocator): Likewise.
11021 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11023         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11024         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11025         zero.
11026         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11027         flag_openacc.
11028         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11030 2016-02-23  Richard Biener  <rguenther@suse.de>
11032         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11033         * bitmap.h (struct bitmap_usage): Likewise.
11034         (bitmap_move): Declare.
11035         * bitmap.c (register_overhead): Take size_t argument.
11036         (bitmap_move): New function.
11037         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11038         to properly account overhead.
11039         * tree.c (free_node): Use tree_size.
11041 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11043         PR c++/69902
11044         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11045         when inverting comparison.
11047         PR c/69900
11048         * common.opt (Wunreachable-code): Add Warning flag.
11050 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11051             Jakub Jelinek  <jakub@redhat.com>
11053         PR c/69911
11054         * cgraphunit.c (check_global_declaration): Check main_input_filename
11055         and DECL_SOURCE_FILE are not NULL.
11057 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11059         PR tree-optimization/69666
11060         * tree-sra.c (sra_modify_assign): Do not attempt to create
11061         default_def replacements for unscalarizable regions.
11063 2016-02-20  Mark Wielaard  <mjw@redhat.com>
11065         PR c/28901
11066         * cgraphunit.c (check_global_declaration): Check level of
11067         warn_unused_const_variable and main_input_filename.
11068         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
11069         (-Wunused-variable): For C implies -Wunused-const-variable=1.
11070         (-Wunused-const-variable): Explain levels 1 and 2.
11072 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11074         PR target/69888
11075         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
11076         identical arguments.  Formatting and spelling fixes.
11078         PR target/69885
11079         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
11080         be specified.
11082         PR target/69894
11083         PR target/69895
11084         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
11085         and m68k-devices.def.
11086         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
11087         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
11089 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
11091         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
11092         and HImode registers.
11094 2016-02-22  Richard Biener  <rguenther@suse.de>
11096         PR tree-optimization/69882
11097         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
11098         preserve permutations present because of gaps.
11099         (vect_supported_load_permutation_p): Always continue checking
11100         permutations after vect_attempt_slp_rearrange_stmts.
11102 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
11104         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
11105         min_profitable_estimate, rather than min_profitable_iters.
11107 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11109         PR target/69885
11110         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
11111         SImode for last match_operand.
11113 2016-02-22  Martin Liska  <mliska@suse.cz>
11115         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
11116         return bitsize - 1 as the return value.
11118 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
11120         PR target/69806
11121         PR target/54089
11122         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
11123         Handle negative shift counts.
11124         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
11125         force_reg on the shift constant.
11126         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
11127         (lshrsi3_d): Handle negative shift counts.
11129 2016-02-22  Richard Biener  <rguenther@suse.de>
11130             Tom de Vries  <tom@codesourcery.com>
11132         * graph.c: Include dumpfile.h.
11133         (print_graph_cfg): Split into three overloads.
11134         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
11136 2016-02-22  Tom de Vries  <tom@codesourcery.com>
11138         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
11139         dump-fn.
11141 2016-02-22  Richard Biener  <rguenther@suse.de>
11143         PR ipa/37448
11144         * ipa-inline-transform.c (inline_call): When not updating
11145         overall summaries adjust self size by the growth estimate.
11146         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
11147         hash-set, do not update overall summaries here.  Renamed from ...
11148         (inline_to_all_callers): ... this which is now wrapping the
11149         above and performing delayed overall summary update.
11150         (early_inline_small_functions): Delay updating of the overall
11151         summary.
11153 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
11155         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
11156         variable.
11158 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11160         PR driver/69805
11161         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
11162         :%* in %:gt() argument.
11163         (greater_than_spec_func): Adjust for expecting only numbers,
11164         if there are more than two numbers, compare the last two.
11166 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
11168         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
11169         -Wnarrowing with -std.
11171 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11173         PR c++/69851
11174         * expr.c (store_field): Don't use bit-field path if exp is
11175         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
11176         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
11177         and the assignment can be performed by bitwise copy.  Formatting
11178         fix.
11180         PR middle-end/69838
11181         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
11182         call copy_reg_eh_region_note_forward on before and/or after sequences
11183         and remove note from insn if it no longer can throw.
11185         PR target/69820
11186         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
11187         if TARGET_AVX512BW.
11189 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11191         * config/s390/vector.md: Add missing commutative operand markers
11192         to the patterns which qualify for one.
11193         * config/s390/vx-builtins.md: Likewise.
11195 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11197         * config/s390/vector.md (VI, VI_QHS): Add single element vector
11198         types to mode iterators.
11199         (vec_double): ... and mode attribute.
11200         * config/s390/vx-builtins.md (non_vec_int): Likewise.
11202 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11204         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
11205         Change the predicate of op2 from nonimmediate to general and let
11206         reload fix it if necessary.
11208 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11210         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
11212 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11214         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
11215         mode.
11217 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11219         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
11220         * config/s390/s390.c (s390_expand_vec_movstr): New function.
11221         * config/s390/s390.md ("movstr<P:mode>"): Call
11222         s390_expand_vec_movstr.
11224 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11226         * config/s390/s390.md: Add missing output modifier for operand 1
11227         to print it as address properly.
11229 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11231         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
11232         * config/s390/2964.md: New file.
11233         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
11234         of insn grouping attributes depending on the CPU level.
11235         (s390_get_unit_mask): New function.
11236         (s390_sched_score): Remove the OOO from the scheduling macros.
11237         Add loop to calculate a score for the instruction mix.
11238         (s390_sched_reorder): Likewise plus improve debug output.
11239         (s390_sched_variable_issue): Rename macros as above.  Calculate
11240         the unit distances after actually scheduling an insn.  Improve
11241         debug output.
11242         (s390_sched_init): Clear last_scheduled_unit_distance array.
11243         * config/s390/s390.md: Include 2964.md.
11245 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11247         PR target/69671
11248         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
11249         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
11250         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
11251         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
11252         *avx512f_<code>v8div16qi2_mask_1): New insns.
11254 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11256         PR target/68404
11257         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
11258         2016-02-09 change.
11260         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
11261         earlyclobber from target.  Use wF constraint for fused memory
11262         address.
11263         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
11265 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11266             Martin Liska  <mliska@suse.cz>
11268         PR sanitizer/69863
11269         * cfgexpand.c (asan_sanitize_stack_p): New function.
11270         (partition_stack_vars): Use the function.
11271         (expand_stack_vars): Likewise.
11272         (defer_stack_allocation): Likewise.
11273         (expand_used_vars): Likewise.
11275 2016-02-18  Richard Biener  <rguenther@suse.de>
11277         PR middle-end/69553
11278         * fold-const.c (operand_equal_p): Properly compare offsets for
11279         IMAGPART_EXPR and ARRAY_REF.
11281 2016-02-18  Nick Clifton  <nickc@redhat.com>
11283         PR target/62254
11284         PR target/69610
11285         * config/arm/arm.c (arm_option_override_internal): Disable
11286         interworking if the target does not support thumb instructions.
11287         (arm_reload_in_hi): Handle the case where a register to register
11288         move needs reloading because there is no simple pattern to handle
11289         it.
11290         (arm_reload_out_hi): Likewise.
11292 2016-02-18  Richard Biener  <rguenther@suse.de>
11294         PR middle-end/69854
11295         * match.pd: Don't use fold_binary or fold_unary for folding
11296         constants.
11298 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
11300         PR c++/69850
11301         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
11302         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
11303         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
11304         warn on gimple_no_warning_p statements.
11306 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
11308         * doc/extend.texi (C++ Attributes): Correct description of
11309         warn_unused type attribute.
11311 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11313         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
11314         correct instruction.
11316 2016-02-17  Richard Biener  <rguenther@suse.de>
11318         PR rtl-optimization/69609
11319         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
11320         (find_traces_1_round): When ending a trace update cached priority
11321         of successors.
11322         (bb_to_key): Use cached priority when available.
11323         (copy_bb): Initialize cached priority.
11324         (reorder_basic_blocks_software_trace_cache): Likewise.
11326 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11328         PR target/69161
11329         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
11330         New predicate.
11331         (aarch64_comparison_operator): Break overly long line into two.
11332         (aarch64_comparison_operation): Likewise.
11333         * config/aarch64/aarch64.md (cstorecc4): Use
11334         aarch64_comparison_operator_mode instead of
11335         aarch64_comparison_operator.
11336         (cstore<mode>4): Likewise.
11337         (aarch64_cstore<mode>): Likewise.
11338         (*cstoresi_insn_uxtw): Likewise.
11339         (cstore<mode>_neg): Likewise.
11340         (*cstoresi_neg_uxtw): Likewise.
11342 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11344         PR target/69161
11345         * config/arm/predicates.md (arm_comparison_operator_mode):
11346         New predicate.
11347         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
11348         instead of arm_comparison_operator.
11349         (*mov_negscc): Likewise.
11350         (*mov_notscc): Likewise.
11351         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
11352         (*thumb2_mov_negscc): Likewise.
11353         (*thumb2_mov_negscc_strict_it): Likewise.
11354         (*thumb2_mov_notscc): Likewise.
11355         (*thumb2_mov_notscc_strict_it): Likewise.
11357 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
11359         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
11360         Add missing return.
11362 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
11364         * config/visium/visium.c (machine_libfunc_index): New enum.
11365         (machine_libfuncs): New structure.
11366         (visium_libfuncs): New static variable.
11367         (TARGET_INIT_LIBFUNCS): Define to...
11368         (visium_init_libfuncs): ...this.  New function.
11369         (expand_block_move_4): Use the appropriate libfunc.
11370         (expand_block_move_2): Likewise.
11371         (expand_block_move_1): Likewise.
11372         (expand_block_set_4): Likewise.
11373         (expand_block_set_2): Likewise.
11374         (expand_block_set_1): Likewise.
11375         (visium_trampoline_init): Likewise.
11377 2016-02-17  Nick Clifton  <nickc@redhat.com>
11379         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
11380         TI's devices.csv file as of March 2016.
11382 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11384         PR Target/48344
11385         * opts-global.c (handle_common_deferred_options): Introduce and
11386         initialize two global variables to remember command-line options
11387         specifying a stack-limiting register.
11388         * opts.h: Add extern declarations of the two new global variables.
11389         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
11390         variable based on the values of the two new global variables.
11392 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11394         PR c/69835
11395         * common.opt (Wnonnull-compare): New warning.
11396         * doc/invoke.texi (-Wnonnull): Remove text about comparison
11397         of arguments against NULL.
11398         (-Wnonnull-compare): Document.
11399         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
11400         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
11401         * passes.def (pass_warn_nonnull_compare): Add.
11402         * gimple-ssa-nonnull-compare.c: New file.
11404 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11406         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
11407         AARCH64_EXTRA_TUNE_RECIP_SQRT.
11409 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11411         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
11412         reciprocal sqrt for -mlow-precision-recip-sqrt.
11414 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11415             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11417         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
11418         always use lane loads to construct non-constant vectors.
11420 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11422         * config/aarch64/aarch64.md
11423         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
11424         constraints for operand 3.
11425         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
11427 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11428             Richard Biener  <rguenther@suse.de>
11430         PR tree-optimization/69820
11431         * tree-vect-patterns.c (type_conversion_p): Return false if
11432         *orig_type is unsigned single precision or boolean.
11433         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
11434         Formatting fix.
11436 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11438         PR rtl-optimization/69764
11439         PR rtl-optimization/69771
11440         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
11441         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
11443 2016-02-16  Richard Biener  <rguenther@suse.de>
11445         PR tree-optimization/69776
11446         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
11447         sets from caller.
11448         (indirect_refs_may_alias_p): Likewise.
11449         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
11450         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
11451         according to tbaa_p.
11452         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
11453         (optimize_stmt): For redundant store discovery do not allow tbaa.
11455 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
11457         PR tree-optimization/69714
11458         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
11459         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
11461 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
11463         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
11464         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
11465         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
11466         * config/arc/arc.c (arc_init): Check FPU options.
11467         (get_arc_condition_code): Handle new CC_FPU* modes.
11468         (arc_select_cc_mode): Likewise.
11469         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
11470         register pair only. Allow access for ARCv2 accumulator.
11471         (gen_compare_reg): Whenever we have FPU support use FPU compare
11472         instructions.
11473         (arc_reorg): Don't generate brcc insns when FPU compare
11474         instructions are involved.
11475         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
11476         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
11477         floating point emulation.
11478         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
11479         (REVERSE_CONDITION): Add new CC_FPU* modes.
11480         (TARGET_FP_SP_BASE): Define.
11481         (TARGET_FP_DP_BASE): Likewise.
11482         (TARGET_FP_SP_FUSED): Likewise.
11483         (TARGET_FP_DP_FUSED): Likewise.
11484         (TARGET_FP_SP_CONV): Likewise.
11485         (TARGET_FP_DP_CONV): Likewise.
11486         (TARGET_FP_SP_SQRT): Likewise.
11487         (TARGET_FP_DP_SQRT): Likewise.
11488         (TARGET_FP_DP_AX): Likewise.
11489         * config/arc/arc.md (ARCV2_ACC): New constant.
11490         (type): New fpu type attribute.
11491         (SDF): Conditional iterator.
11492         (cstore<mode>, cbranch<mode>): Change expand condition.
11493         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
11494         handles FPU/FPX cases as well.
11495         * config/arc/arc.opt (mfpu): New option.
11496         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
11497         Renamed.
11498         (adddf3, muldf3, subdf3): Removed.
11499         * config/arc/predicates.md (proper_comparison_operator): Recognize
11500         CC_FPU* modes.
11501         * config/arc/fpu.md: New file.
11502         * doc/invoke.texi (ARC Options): Document mfpu option.
11504 2016-02-16  Richard Biener  <rguenther@suse.de>
11506         PR rtl-optimization/69291
11507         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
11508         noce_operand_ok check.
11510 2016-02-16  Tom de Vries  <tom@codesourcery.com>
11512         PR lto/67709
11513         * omp-low.c (simd_clone_create): Remove call to
11514         symtab->call_cgraph_insertion_hooks.
11516 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11518         PR tree-optimization/69802
11519         * tree-ssa-reassoc.c (update_range_test): If op is
11520         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
11521         op == 1 test of precision 1 integral op, otherwise handle
11522         that case as op itself.  Fix up formatting.
11523         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
11524         up formatting.
11526 2016-02-16  Richard Biener  <rguenther@suse.de>
11528         PR tree-optimization/69586
11529         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
11530         types for conversion sources.
11532 2016-02-16  Richard Biener  <rguenther@suse.de>
11534         PR middle-end/69801
11535         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
11536         mask OEP_ADDRESS_OF.
11538 2016-02-16  Alan Modra  <amodra@gmail.com>
11540         PR target/68973
11541         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
11542         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
11543         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
11544         (p8_mtvsrwz): New.
11545         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
11546         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
11547         (p8_fmrgow_<mode>): Likewise.
11548         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
11549         changes.
11550         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
11551         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
11552         to use movdi_internal64.  Remove op0_di.
11553         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
11555 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
11557         Add support for the FCCMP insn types
11559         * config/aarch64/aarch64.md (fccmp): Change insn type.
11560         (fccmpe): Likewise.
11561         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
11562         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
11563         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
11564         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
11565         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
11566         * config/arm/types.md (fccmps): Add new insn type.
11567         (fccmpd): Likewise.
11569 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11571         * alias.c (get_alias_set): Fix a typo in comment.
11573 2016-02-15  Richard Biener  <rguenther@suse.de>
11575         PR tree-optimization/69595
11576         * match.pd: Complete range test simplification to true.
11578 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
11580         PR rtl-optimization/69648
11581         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
11582         pic_offset_table_rtx.
11584         PR rtl-optimization/69752
11585         * ira.c (update_equiv_regs): When looking for more than a single SET,
11586         also take other side effects into account.
11588 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
11590         * config/s390/s390.c (s390_function_profiler): Add a new sequence
11591         for z900+ CPUs in 31-bit mode.
11593 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
11595         * common/config/s390/s390-common.c (s390_supports_split_stack):
11596         New function.
11597         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
11598         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
11599         * config/s390/s390.c (struct machine_function): New field
11600         split_stack_varargs_pointer.
11601         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
11602         in s390_emit_prologue.
11603         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
11604         vararg pointer.
11605         (morestack_ref): New global.
11606         (SPLIT_STACK_AVAILABLE): New macro.
11607         (s390_expand_split_stack_prologue): New function.
11608         (s390_live_on_entry): New function.
11609         (s390_va_start): Use split-stack vararg pointer if appropriate.
11610         (s390_asm_file_end): Emit the split-stack note sections.
11611         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
11612         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
11613         (UNSPECV_SPLIT_STACK_CALL): New unspec.
11614         (UNSPECV_SPLIT_STACK_DATA): New unspec.
11615         (split_stack_prologue): New expand.
11616         (split_stack_space_check): New expand.
11617         (split_stack_data): New insn.
11618         (split_stack_call): New expand.
11619         (split_stack_call_*): New insn.
11620         (split_stack_cond_call): New expand.
11621         (split_stack_cond_call_*): New insn.
11623 2016-02-15  Richard Biener  <rguenther@suse.de>
11625         PR tree-optimization/69783
11626         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
11627         Add trivially correct cases.
11629 2016-02-15  Tom de Vries  <tom@codesourcery.com>
11631         PR lto/69655
11632         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
11633         do_force_output.
11634         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
11636 2016-02-15  Richard Biener  <rguenther@suse.de>
11638         PR tree-optimization/69776
11639         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
11640         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
11641         indicate whether we can use TBAA to disambiguate against stores.
11642         Use alias-set zero if not.
11643         (visit_reference_op_store): Do not use TBAA when looking up
11644         redundant stores.
11645         * tree-ssa-pre.c (compute_avail): Use TBAA here.
11646         (eliminate_dom_walker::before_dom_children): But not when looking
11647         up redundant stores.
11649 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
11651         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
11653 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
11655         *  config/i386/znver1.md
11656         (znver1_pop, znver1_pop_mem,
11657         znver1_load_imov_double_store,
11658         znver1_load_imov_direct_store,
11659         znver1_load_imov_direct_load,
11660         znver1_load_imov_double_load): Add new.
11661         (znver1_insn, znver1_insn_load): Add icmov type.
11662         (znver1_sseavx_fma,
11663         znver1_sseavx_fma_load,
11664         znver1_avx256_fma,
11665         znver1_avx256_fma_load): Fix pipe usage.
11667 2016-02-14  Alan Modra  <amodra@gmail.com>
11669         PR target/68973
11670         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
11671         with an invalid hard reg, reload just the reg not the entire
11672         pre/post-inc/dec address expression.
11674 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
11676         PR target/67260
11677         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
11678         fixed R1_REG scratch reg.
11679         (sibcall_value_pcrel_fdpic): Likewise.
11681 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
11683         PR target/67636
11684         PR target/64345
11685         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
11687 2016-02-12  Walter Lee  <walt@tilera.com>
11689         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
11690         * config/tilegx/t-tilegx: Likewise.
11692 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
11694         PR other/69554
11695         * diagnostic-show-locus.c (struct line_span): New struct.
11696         (layout::get_first_line): Delete.
11697         (layout::get_last_line): Delete.
11698         (layout::get_num_line_spans): New member function.
11699         (layout::get_line_span): Likewise.
11700         (layout::print_heading_for_line_span_index_p): Likewise.
11701         (layout::get_expanded_location): Likewise.
11702         (layout::calculate_line_spans): Likewise.
11703         (layout::m_first_line): Delete.
11704         (layout::m_last_line): Delete.
11705         (layout::m_line_spans): New field.
11706         (layout::layout): Update comment.  Replace m_first_line and
11707         m_last_line with m_line_spans, replacing their initialization
11708         with a call to calculate_line_spans.
11709         (diagnostic_show_locus): When printing source lines and
11710         annotations, rather than looping over a single span
11711         of lines, instead loop over each line_span within
11712         the layout, with an inner loop over the lines within them.
11713         Call the context's start_span callback when changing line spans.
11714         * diagnostic.c (diagnostic_initialize): Initialize start_span.
11715         (diagnostic_build_prefix): Break out the building of the location
11716         part of the string into...
11717         (diagnostic_get_location_text): ...this new function, rewriting
11718         it from nested ternary expressions to a sequence of "if"
11719         statements.
11720         (default_diagnostic_start_span_fn): New function.
11721         * diagnostic.h (diagnostic_start_span_fn): New typedef.
11722         (diagnostic_context::start_span): New field.
11723         (default_diagnostic_start_span_fn): New prototype.
11725 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
11727         PR driver/69779
11728         * gcc.c (driver::finalize): Fix cleanup of "specs".
11730 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
11732         PR driver/69265
11733         PR driver/69453
11734         * gcc.c (driver::driver): Initialize m_option_suggestions.
11735         (driver::~driver): Clean up m_option_suggestions.
11736         (suggest_option): Convert to...
11737         (driver::suggest_option): ...this, and split out into
11738         driver::build_option_suggestions and find_closest_string.
11739         (driver::build_option_suggestions): New function, from
11740         first half of suggest_option.  Special-case
11741         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
11742         the sanitizer_opts array.  For options of enum types, add the
11743         various enum values to the candidate strings.
11744         (driver::handle_unrecognized_options): Remove "const".
11745         * gcc.h (driver::handle_unrecognized_options): Likewise.
11746         (driver::build_option_suggestions): New decl.
11747         (driver::suggest_option): New decl.
11748         (driver::m_option_suggestions): New field.
11749         * opts-common.c (add_misspelling_candidates): New function.
11750         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
11751         and make non-static.
11752         * opts.h (sanitizer_opts): New array decl.
11753         (add_misspelling_candidates): New function decl.
11754         * spellcheck.c (find_closest_string): New function.
11755         * spellcheck.h (find_closest_string): New function decl.
11757 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
11759         PR rtl-optimization/69764
11760         PR rtl-optimization/69771
11761         * optabs.c (expand_binop_directly): For shift_optab_p, force
11762         convert_modes with VOIDmode if xop1 has VOIDmode.
11764 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
11766         PR target/69729
11767         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
11768         to correctly determine instrumentation thunks.
11770 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
11772         PR ipa/69241
11773         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
11774         type by reference, force lhs on the call.
11776         PR ipa/68672
11777         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
11778         Compute retval and retbnd early in all cases if split_part_return_p
11779         and return_bb is not EXIT.  Remove all clobber stmts and reset
11780         all debug stmts that refer to SSA_NAMEs defined in split part,
11781         except if it is retval, in that case replace the old retval with the
11782         lhs of the call to the split part.
11784 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
11786         revert:
11787         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
11789         PR middle-end/66726
11790         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
11791         whose result is used in PHI.
11792         (maybe_optimize_range_tests): Likewise.
11793         (final_range_test_p): Likweise.
11795 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
11797         PR middle-end/66726
11798         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
11799         whose result is used in PHI.
11800         (maybe_optimize_range_tests): Likewise.
11801         (final_range_test_p): Likweise.
11803 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
11805         * cgraph.c: Spelling fixes - behaviour -> behavior and
11806         neighbour -> neighbor.
11807         * target.def: Likewise.
11808         * sel-sched.c: Likewise.
11809         * config/mips/mips.c: Likewise.
11810         * config/arc/arc.md: Likewise.
11811         * config/arm/cortex-a57.md: Likewise.
11812         * config/arm/arm.c: Likewise.
11813         * config/arm/neon.md: Likewise.
11814         * config/arm/arm-c.c: Likewise.
11815         * config/vms/vms-c.c: Likewise.
11816         * config/s390/s390.c: Likewise.
11817         * config/i386/znver1.md: Likewise.
11818         * config/i386/i386.c: Likewise.
11819         * config/ia64/hpux-unix2003.h: Likewise.
11820         * config/msp430/msp430.md: Likewise.
11821         * config/rx/rx.c: Likewise.
11822         * config/rx/rx.md: Likewise.
11823         * config/aarch64/aarch64-simd.md: Likewise.
11824         * config/aarch64/aarch64.c: Likewise.
11825         * config/nvptx/nvptx.c: Likewise.
11826         * config/bfin/bfin.c: Likewise.
11827         * config/cris/cris.opt: Likewise.
11828         * config/rs6000/rs6000.c: Likewise.
11829         * target.h: Likewise.
11830         * spellcheck.c: Likewise.
11831         * ira-build.c: Likewise.
11832         * tree-inline.c: Likewise.
11833         * builtins.c: Likewise.
11834         * lra-constraints.c: Likewise.
11835         * explow.c: Likewise.
11836         * hwint.h: Likewise.
11837         * targhooks.c: Likewise.
11838         * tree-vect-data-refs.c: Likewise.
11839         * expr.c: Likewise.
11840         * doc/tm.texi: Likewise.
11841         * doc/extend.texi: Likewise.
11842         * doc/install.texi: Likewise.
11843         * doc/md.texi: Likewise.
11844         * tree-ssa-tail-merge.c: Likewise.
11845         * sched-int.h: Likewise.
11846         * match.pd: Likewise.
11847         * sched-ebb.c: Likewise.
11848         * target.def (omit_struct_return_reg): Likewise.
11849         * gimple-ssa-isolate-paths.c: Likewise.
11850         (find_implicit_erroneous_behaviour): Renamed to...
11851         (find_implicit_erroneous_behavior): ... this.
11852         (find_explicit_erroneous_behaviour): Renamed to...
11853         (find_explicit_erroneous_behavior): ... this.
11854         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
11856 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
11858         PR rtl-optimization/64682
11859         PR rtl-optimization/69567
11860         PR rtl-optimization/69737
11861         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
11862         in I2 as well, just lose it.
11864 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11866         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
11867         New variable.
11868         (aarch64_last_printed_tune_string): Likewise.
11869         (aarch64_declare_function_name): Only output .arch assembler
11870         directive if it will be different from the previously output
11871         directive.  Same for .tune comment but only if -dA is set.
11872         (aarch64_start_file): New function.
11873         (TARGET_ASM_FILE_START): Define.
11875 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
11877         PR plugins/69758
11878         * Makefile.in (PLUGIN_HEADERS): Add params.list.
11880 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
11882         PR target/65313
11883         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
11884         -Wmaybe-uninitialized warning.
11886 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
11888         PR target/69713
11889         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
11891 2016-02-11  Richard Biener  <rguenther@suse.de>
11893         PR rtl-optimization/69291
11894         * ifcvt.c (noce_try_store_flag_constants): Do not allow
11895         subexpressions affected by changing the result.
11897 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
11899         PR target/69148
11900         * lra-constraints.c (curr_insn_transform): Find in/out operands
11901         for secondary memory moves.  Update dups.
11903 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
11905         PR tree-optimization/69652
11906         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
11907         to nested loop, did source re-formatting, skip debug statements,
11908         add check on statement with volatile operand, remove dead scalar
11909         statements.
11911 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
11912             Patrick Palka  <ppalka@gcc.gnu.org>
11914         PR ipa/69241
11915         PR c++/69649
11916         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
11917         calls if the return type is TREE_ADDRESSABLE.
11918         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
11919         * ipa-split.c (split_function): Fix doubled "we" in comment.
11920         Use void return type for the split part even if
11921         !split_point->split_part_set_retval.
11923 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
11925         PR tree-optimization/68021
11926         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
11927         when computing the value of biv cand by itself.
11929 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
11931         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
11932         (cortexa57_tunings): Likewise.
11933         (cortexa72_tunings): Likewise.
11934         (arch_macro_fusion_pair_p): Add support for AES fusion.
11935         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
11936         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
11937         Allow virtual registers before reload so early scheduling works.
11938         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
11939         correct latency and pipeline.
11940         (cortex_a57_crypto_complex): Likewise.
11941         (cortex_a57_crypto_xor): Likewise.
11942         (define_bypass): Add AES bypass.
11944 2016-02-10  Richard Biener  <rguenther@suse.de>
11946         PR tree-optimization/69726
11947         * passes.def: Add DCE pass before late uninit.
11948         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
11949         really fixup if-conversions job.
11951 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
11953         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
11954         (arm_cortex_a57_tune): Likewise.
11955         (aarch_macro_fusion_pair_p): Add support for AES fusion.
11956         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
11958 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
11960         * timevar.def (TV_PHASE_DBGINFO): Delete.
11961         (TV_PHASE_CHECK_DBGINFO): Likewise.
11962         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
11964 2016-02-10  Richard Biener  <rguenther@suse.de>
11966         PR tree-optimization/69719
11967         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
11968         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
11970 2016-02-09  Andrew Pinski  <apinski@cavium.com>
11972         PR tree-opt/69282
11973         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
11974         get_vcond_mask_icode returns false.
11976 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
11978         PR target/68404
11979         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
11980         an ADDIS that adds a pointer to a large constant that sets the
11981         upper16 bits with a load operation.
11983 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
11985         PR target/68532
11986         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
11987         order.
11988         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
11989         endian.
11990         (vzipq_s16): Likewise.
11991         (vzipq_s32): Likewise.
11992         (vzipq_f32): Likewise.
11993         (vzipq_u8): Likewise.
11994         (vzipq_u16): Likewise.
11995         (vzipq_u32): Likewise.
11996         (vzipq_p8): Likewise.
11997         (vzipq_p16): Likewise.
11999 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12001         PR target/68532
12002         * config/arm/arm.c (neon_endian_lane_map): New function.
12003         (neon_vector_pair_endian_lane_map): New function.
12004         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12005         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12006         endian.
12007         (vuzpq_s16): Likewise.
12008         (vuzpq_s32): Likewise.
12009         (vuzpq_f32): Likewise.
12010         (vuzpq_u8): Likewise.
12011         (vuzpq_u16): Likewise.
12012         (vuzpq_u32): Likewise.
12013         (vuzpq_p8): Likewise.
12014         (vuzpq_p16): Likewise.
12016 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12018         PR target/69634
12019         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12020         debug insns.
12022 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12024         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12025         truncate const_int operand 1 to QImode.
12027 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12029         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12030         corresponding to an abnormal edge.
12032 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12034         PR tree-optimization/69599
12035         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12036         function.
12037         (find_func_aliases_for_builtin_call, find_func_clobbers)
12038         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12039         partition.
12041 2016-02-09  Richard Biener  <rguenther@suse.de>
12043         PR tree-optimization/69715
12044         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12045         LHS on calls as non-rewritable.
12047 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12049         PR lto/69707
12050         * lto-wrapper.c (append_diag_options): New function.
12051         (compile_offload_image): Call append_diag_options.
12053 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12055         PR other/69722
12056         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12057         Minor copy-edit to fix verb tenses.
12059 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12061         PR tree-optimization/69209
12062         * ipa-split.c (split_function): If split part is not
12063         returning retval, retval has gimple type but is not
12064         gimple value, force it into a SSA_NAME first.
12066 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
12068         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
12069         outdated section.
12071 2016-02-08  Jason Merrill  <jason@redhat.com>
12073         PR c++/69631
12074         * convert.c (convert_to_integer_1): Check dofold on truncation
12075         distribution.
12076         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
12077         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
12078         Rename from *_nofold.
12079         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
12080         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
12082 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
12084         PR target/60410
12085         * tree.c (build_common_tree_nodes): Remove short_double argument.
12086         All callers changed.
12087         * tree.h (build_common_tree_nodes): Adjust declaration.
12088         * doc/invoke.texi (-fshort-double): Remove documentation.
12089         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12090         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
12091         * lto-wrapper.c (merge_and_complain, append_compiler_options)
12092         (append_linker_options): Don't handle OPT_fshort_double.
12094         PR rtl-optimization/68730
12095         * lra-remat.c (insn_to_cand_activation): New static variable.
12096         (lra_remat): Allocate and free it.
12097         (create_cand): New arg activation. Initialize a field in
12098         insn_to_cand_activation if it is nonnull.
12099         (create_cands): Pass the activation insn to create_cand when making
12100         a candidate involving an output reload.  Reorganize code a little.
12101         (do_remat): Keep track of active status of candidates in a separate
12102         bitmap.
12104 2016-02-08  Richard Biener  <rguenther@suse.de>
12106         PR tree-optimization/69719
12107         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12108         Properly use absolute of the difference of the two offsets to
12109         compare or adjust the segment length.
12111 2016-02-08  Richard Biener  <rguenther@suse.de>
12112             Jeff Law  <law@redhat.com>
12114         PR target/68273
12115         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
12116         types for anonymous SSA names.
12118 2016-02-08   Richard Biener  <rguenther@suse.de>
12120         PR rtl-optimization/69274
12121         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
12123 2016-02-08  Jeff Law  <law@redhat.com>
12125         PR tree-optimization/65917
12126         * tree-ssa-dom.c (record_temporary_equivalences): Record both
12127         equivalences from if (x == y) style conditionals.
12128         (loop_depth_of_name): Remove.
12129         (record_equality): Remove loop depth check.
12130         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
12131         (const_and_copies::record_const_or_copy_raw): New member function.
12132         * tree-ssa-scopedtables.c
12133         (const_and_copies::record_const_or_copy_raw): New, factored out of
12134         (const_and_copies::record_const_or_copy): Call new member function.
12136 2016-02-05  Jeff Law  <law@redhat.com>
12138         PR tree-optimization/68541
12139         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
12140         (count_stmts_in_block): New function.
12141         (poor_ifcvt_candidate_code): Likewise.
12142         (is_feasible_trace): Add some heuristics to determine when path
12143         splitting is profitable.
12144         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
12145         is a diamond with a single exit.
12147 2016-02-05  Martin Sebor  <msebor@redhat.com>
12149         PR c++/69662
12150         * doc/invoke.texi: Update -Wplacement-new to take an optional
12151         argument.
12153 2016-02-06  Richard Henderson  <rth@redhat.com>
12155         PR c/69643
12156         * tree.c (tree_nop_conversion_p): Do not strip casts into or
12157         out of non-standard address spaces.
12159 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12161         PR rtl-optimization/69691
12162         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
12164 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
12166         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
12167         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
12168         (*ieee128_mfvsrd_64bit): Likewise.
12169         (*ieee128_mfvsrd_32bit): Likewise.
12171 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
12173         PR target/69369
12174         Revert r232560:
12175         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12177         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12178         instrumented_version.
12180 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12182         * doc/invoke.texi (Optimize Options): In table of --param options
12183         rename second occurrence of tracer-min-branch-ratio to
12184         tracer-min-branch-probability, rename
12185         tracer-min-branch-ratio-feedback to
12186         tracer-min-branch-probability-feedback and clarify description,
12187         rename sched-spec-state-edge-prob-cutoff to
12188         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
12189         to selsched-insns-to-rename, rename lto-minpartition to
12190         lto-min-partition, delete reorder-blocks-duplicate and
12191         reorder-blocks-duplicate-feedback.
12193 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12195         * config/s390/s390.c (s390_register_info_set_ranges): Remove
12196         superfluous loops.
12198 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12200         * doc/extend.texi: S/390: Correct some typos.
12202 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12204         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
12206 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12208         PR target/69625
12209         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
12210         (s390_register_info_gprtofpr): Use new macros above.
12211         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
12212         its name.
12213         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
12214         its name.  Adjust restore and save gpr ranges.
12215         (s390_register_info_set_ranges): New function.
12216         (s390_register_info): Use new macros above.  Call
12217         s390_register_info_set_ranges.
12218         (s390_optimize_register_info): Likewise.
12219         (s390_hard_regno_rename_ok): Use new macros.
12220         (s390_hard_regno_scratch_ok): Likewise.
12221         (s390_emit_epilogue): Likewise.
12222         (s390_can_use_return_insn): Likewise.
12223         (s390_optimize_prologue): Likewise.
12224         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
12226 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12228         PR bootstrap/69677
12229         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
12230         alignment fixes.
12231         (ix86_option_override_internal): Disable TARGET_STV even for
12232         -m{incoming,preferred}-stack-boundary=3.
12234 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12236         * config.gcc: Mark deprecated rtems targets as obsolete.
12238 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
12240         PR rtl-optimization/64682
12241         PR rtl-optimization/69567
12242         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
12243         before I2 only if the register is both used and set in I2.
12245 2016-02-04  DJ Delorie  <dj@redhat.com>
12247         * config/msp430/msp430.c (msp430_start_function): Add function type.
12249 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12251         PR fortran/69368
12252         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
12254 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
12256         PR rtl-optimization/69577
12257         Revert:
12258         2015-10-29  Richard Henderson  <rth@redhat.com>
12260         PR target/68124
12261         PR rtl-opt/67609
12262         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
12263         sse check to the exact conditions of PR 67609.
12265 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12267         PR target/69667
12268         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
12269         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
12270         not allowed into the traditional Altivec registers.
12271         (movtd_64bit_nodm): Likewise.
12272         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
12274 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
12276         * config/aarch64/cortex-a57-fma-steering.c
12277         (aarch64_register_fma_steering): Remove "static" from arguments
12278         to register_pass.
12280 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
12282         PR target/69619
12283         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
12284         twice when complex.
12286 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
12288         * doc/invoke.texi: Delete -mno-fma4.
12290 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
12292         PR rtl-optimization/69577
12293         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
12294         (find_subregs_of_mode): Update accordingly.  Iterate over partial
12295         definitions.
12297 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
12299         * config/arm/arm-protos.h (neon_reinterpret): Remove.
12300         * config/arm/arm.c (neon_reinterpret): Remove.
12301         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
12302         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
12303         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
12304         vreinterpretti): Remove.
12305         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
12306         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
12307         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
12308         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
12309         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
12310         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
12311         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
12312         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
12313         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
12314         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
12315         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
12316         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
12317         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
12318         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
12319         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
12320         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
12321         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
12322         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
12323         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
12324         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
12325         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
12326         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
12327         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
12328         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
12329         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
12330         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
12331         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
12332         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
12333         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
12334         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
12335         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
12336         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
12337         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
12338         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
12339         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
12340         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
12341         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
12342         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
12343         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
12344         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
12345         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
12346         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
12347         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
12348         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
12349         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
12350         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
12351         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
12352         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
12353         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
12354         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
12355         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
12356         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
12357         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
12358         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
12359         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
12360         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
12361         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
12362         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
12363         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
12364         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
12365         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
12366         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
12367         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
12368         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
12369         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
12370         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
12371         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
12372         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
12373         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
12374         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
12375         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
12376         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
12377         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
12378         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
12379         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
12380         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
12381         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
12382         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
12383         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
12384         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
12385         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
12386         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
12387         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
12388         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
12389         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
12390         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
12391         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
12392         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
12393         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
12394         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
12395         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
12396         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
12397         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
12398         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
12399         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
12400         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
12401         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
12402         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
12403         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
12404         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
12405         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
12406         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
12407         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
12409 2016-02-04  Martin Liska  <mliska@suse.cz>
12411         PR sanitizer/69276
12412         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
12413         that are gimple_store_p.
12414         (maybe_instrument_call): Likewise.
12416 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
12418         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
12419         register scaling out of memory reference and comment why.
12421 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12423         PR target/65932
12424         PR target/67714
12425         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
12426         folding the source of a SET.
12428 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12430         PR target/65932
12431         PR target/67714
12432         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
12433         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
12435 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
12437         PR target/65932
12438         PR target/67714
12439         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
12440         HImode.
12442 2016-02-04  Christian Bruel  <christian.bruel@st.com>
12444         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
12445         * config/arm/arm.c (arm_set_current_function): Likewise.
12447 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12448             Ilya Enkovich  <enkovich.gnu@gmail.com>
12449             H.J. Lu  <hongjiu.lu@intel.com>
12451         PR target/69454
12452         * config/i386/i386.c (convert_scalars_to_vector): Remove
12453         stack alignment fixes.
12454         (ix86_option_override_internal): Disable TARGET_STV if stack
12455         might not be aligned enough.
12456         (ix86_minimum_alignment): Assert that TARGET_STV is false.
12458 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
12460         * config/i386/x86-tune.def: Disable default prefetching
12461         for -march=znver1.
12463 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
12464             Vladimir Makarov  <vmakarov@redhat.com>
12466         PR target/69461
12467         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
12468         in validating fused toc addresses.
12470 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
12472         PR c/69627
12473         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
12474         range->m_caret fields if range->m_show_caret_p is false.
12476         PR target/69644
12477         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
12478         Force oldval into register if it does not satisfy reg_or_short_operand
12479         predicate.  Fix up formatting.
12481 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
12482             Alexandre Oliva  <aoliva@redhat.com>
12484         PR target/69461
12485         * lra-constraints.c (simplify_operand_subreg): Check additionally
12486         address validity after potential reloading.
12487         (process_address_1): Check insns validity.  In case of failure do
12488         nothing.
12490 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
12492         PR target/69118
12493         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
12494         Fix target.
12496 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
12498         * wide-int.cc (canonize_uhwi): New function.
12499         (wi::divmod_internal): Use it.
12501 2016-02-02  James Norris  <jnorris@codesourcery.com
12503         * gimplify.c (omp_notice_variable): Add usage check.
12505 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
12507         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
12508         like LE, GE, LT, GT when emitting relational operator.
12510 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
12512         * ira-costs.c (find_costs_and_classes): Add extra argument.
12513         * target.def (ira_change_pseudo_allocno_class): Add parameter.
12514         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
12515         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
12516         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
12517         Add best_class parameter, and return it if not ALL_REGS.
12518         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
12519         Add parameter.
12520         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
12521         Update target hook.
12523 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
12525         * config/aarch64/aarch64.c
12526         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
12527         (aarch64_ira_change_pseudo_allocno_class): New function.
12529 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
12531         PR target/67032
12532         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
12534 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
12536         * config/avr/avr.c (avr_option_override): Set
12537         PARAM_ALLOW_STORE_DATA_RACES to 1.
12539 2016-02-02  Richard Biener  <rguenther@suse.de>
12541         PR tree-optimization/69595
12542         * match.pd: Add range test simplifications to true/false.
12544 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
12546         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
12547         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
12548         instead.
12550 2016-02-02  Richard Biener  <rguenther@suse.de>
12552         PR tree-optimization/69606
12553         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
12554         info on the result before moving a stmt.
12556 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
12558         PR middle-end/68542
12559         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
12560         branch with vector comparison.
12561         * config/i386/sse.md (VI48_AVX): New mode iterator.
12562         (define_expand "cbranch<mode>4): Add support for conditional branch
12563         with vector comparison.
12564         * tree-vect-loop.c (optimize_mask_stores): New function.
12565         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
12566         has_mask_store field of vect_info.
12567         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
12568         vectorized loops having masked stores after vec_info destroy.
12569         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
12570         correspondent macros.
12571         (optimize_mask_stores): Add prototype.
12573 2016-02-02  Alan Modra  <amodra@gmail.com>
12575         PR target/69548
12576         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
12577         allow subregs.
12579 2016-02-02  Alan Modra  <amodra@gmail.com>
12581         PR target/68662
12582         * config/rs6000/rs6000.c (need_toc_init): New var, set it
12583         whenever toc_label_name used.
12584         (rs6000_file_start): Don't set up toc section here,
12585         (rs6000_output_function_epilogue): do so here instead,
12586         (rs6000_xcoff_file_start): and here.
12587         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
12588         (load_toc_aix_di): Likewise.
12590 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
12592         PR rtl-optimization/69592
12593         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
12594         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
12595         (num_sign_bit_copies_binary_arith_p): New inline function.
12596         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
12598 2016-02-01  Jeff Law  <law@redhat.com>
12600         PR tree-optimization/69580
12601         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
12602         * tree-ssa-threadbackward.c
12603         (fsm_find_control_statement_thread_paths): Do not try to walk
12604         through large PHI nodes.
12606 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
12608         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
12609         when count is incremented above limit, don't analyze further
12610         insns afterwards.
12612         * omp-low.c (oacc_parse_default_dims): Avoid
12613         -Wsign-compare warning, make sure value fits into int
12614         rather than just unsigned int.
12616 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
12618         PR tree-optimization/67921
12619         * fold-const.c (split_tree): New parameters.  Convert pointer
12620         type variable part to proper type before negating.
12621         (fold_binary_loc): Pass new arguments to split_tree.
12623 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
12625         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
12626         (nvptx_goacc_validate_dims): Extend to handle global defaults.
12627         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
12628         * doc/tm.texti: Rebuilt.
12629         * doc/invoke.texi (fopenacc-dim): Document.
12630         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
12631         (append_compiler_options): Likewise.
12632         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
12633         (oacc_parse_default_dims): New.
12634         (oacc_validate_dims): Add USED arg.  Select non-unity default when
12635         possible.
12636         (oacc_loop_fixed_partitions): Return mask of used partitions.
12637         (oacc_loop_auto_partitions): Emit dump info.
12638         (oacc_loop_partition): Return mask of used partitions.
12639         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
12640         loop partitioning and validation calls.
12642 2016-02-01  Richard Biener  <rguenther@suse.de>
12644         PR middle-end/69556
12645         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
12647 2016-02-01  Richard Biener  <rguenther@suse.de>
12649         PR tree-optimization/69574
12650         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
12651         of asserting return chrec_dont_know.
12653 2016-02-01  Martin Liska  <mliska@suse.cz>
12655         * mem-stats-traits.h: Add copyright header.
12656         * mem-stats.h: Likewise.
12658 2016-02-01  Richard Biener  <rguenther@suse.de>
12660         PR tree-optimization/69579
12661         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
12662         Do not propagate through abnormal PHI results.
12664 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
12666         * postreload.c (reload_cse_simplify): Remove dead code.
12668 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
12670         PR rtl-optimization/69570
12671         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
12672         if there is more than one set, not if there is a single set.
12674 2016-02-01  Richard Henderson  <rth@redhat.com>
12676         PR rtl-opt/69535
12677         * combine.c (make_compound_operation): When looking through a
12678         subreg, make sure to re-extend to the width of the outer mode.
12680 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
12682         PR tree-optimization/69546
12683         * wide-int.cc (wi::divmod_internal): For unsigned division
12684         where both operands fit into uhwi, if o1 is 1 and o0 has
12685         msb set, if divident_prec is larger than bits per hwi,
12686         clear another quotient word and return 2 instead of 1.
12687         Similarly for remainder with msb in HWI set, if dividend_prec
12688         is larger than bits per hwi.
12690 2016-01-29  Martin Jambor  <mjambor@suse.cz>
12692         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
12693         Use short lowercase names.
12694         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
12695         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
12696         acq_rel one.  Protect warning agains segfaults if
12697         get_memory_order_name returns NULL.
12698         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
12699         with release semantics.  Do not warn if get_memory_order already did.
12700         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
12701         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
12702         if get_memory_order already did.
12704 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
12706         * doc/install.texi: Document that isl-0.16 is supported.
12708 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
12710         PR target/69299
12711         * config/i386/constraints.md (Bm): Describe as special memory
12712         constraint.
12713         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
12714         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
12715         * genpreds.c (struct constraint_data): Add is_special_memory.
12716         (have_special_memory_constraints, special_memory_start): New
12717         static vars.
12718         (special_memory_end): Ditto.
12719         (add_constraint): Add new arg is_special_memory.  Add code to
12720         process its true value.  Update have_special_memory_constraints.
12721         (process_define_constraint): Pass the new arg.
12722         (process_define_register_constraint): Ditto.
12723         (choose_enum_order): Process special memory.
12724         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
12725         function insn_extra_special_memory_constraint.
12726         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
12727         * gensupport.c (process_rtx): Process
12728         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
12729         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
12730         * ira-lives.c (single_reg_class): Use
12731         insn_extra_special_memory_constraint.
12732         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
12733         * lra-constraints.c (process_alt_operands): Ditto.
12734         (curr_insn_transform): Use insn_extra_special_memory_constraint.
12735         * recog.c (asm_operand_ok, preprocess_constraints): Process
12736         CT_SPECIAL_MEMORY.
12737         * reload.c (find_reloads): Ditto.
12738         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
12739         * stmt.c (parse_input_constraint): Use
12740         insn_extra_special_memory_constraint.
12742 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
12744         PR target/69530
12745         * lra-splill.c (lra_final_code_change): Revert r229087 by
12746         removing all sub-registers.
12748 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
12750         PR target/65604
12751         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
12753 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
12755         PR target/69551
12756         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
12757         SSE1, copy target into the temporary reg first before recursing
12758         on it.
12760 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
12762         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
12763         with vm.
12765 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
12767         * ginclude/stdarg.h: Test __cplusplus instead of
12768         __GXX_EXPERIMENTAL_CXX0X__.
12770 2016-01-29  Richard Biener  <rguenther@suse.de>
12772         PR tree-optimization/69547
12773         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
12774         Do not mark clobbers necessary.
12775         (mark_all_reaching_defs_necessary_1): Likewise.
12777 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12779         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
12780         declaration name with %qs and print it in both error messages.
12781         Also fix indentation.
12783 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12785         PR other/69006
12786         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
12787         trailing blank line from error message.
12789 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
12791         PR c++/69462
12792         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
12793         for C++-11.
12795 2016-01-29  Richard Biener  <rguenther@suse.de>
12797         PR middle-end/69537
12798         * match.pd: Allow all integral types when simplifying a
12799         widening or sign-changing conversion.
12801 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
12803         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
12804         back to setting codegen_error to fail codegen.
12806 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
12808         PR target/69459
12809         * config/i386/constraints.md (C): Only accept constant zero operand.
12810         (BC): New constraint.
12811         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
12812         instead of C constraint.
12813         * doc/md.texi (Machine Constraints): Update description
12814         of C constraint.
12816 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
12818         PR target/68400
12819         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
12821 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
12823         PR middle-end/69542
12824         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
12825         non-debug insns.
12827 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
12829         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
12830         branches if using guessed profile.
12832 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
12834         * graphite-optimize-isl.c (optimize_isl): Fix dump.
12836 2016-01-28  Richard Henderson  <rth@redhat.com>
12838         PR target/69305
12839         * config/aarch64/aarch64-modes.def (CC_Cmode): New
12840         * config/aarch64/aarch64-protos.h: Update.
12841         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
12842         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
12843         (aarch64_get_condition_code_1): Handle CC_Cmode.
12844         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
12845         (*add<mode>3_compareC_cconly_imm): New.
12846         (*add<mode>3_compareC_cconly): New.
12847         (*add<mode>3_compareC_imm): New.
12848         (add<mode>3_compareC): New.
12849         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
12850         to be first.  Use aarch64_carry_operation.
12851         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
12852         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
12853         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
12854         (subti3): Use subdi3_compare1.
12855         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
12856         (sub<mode>3_compare1): New.
12857         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
12858         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
12859         (*subsi3_carryin_uxtw): Likewise.
12860         (*ngc<mode>, *ngcsi_uxtw): Likewise.
12861         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
12862         * config/aarch64/iterators.md (DWI): New.
12863         * config/aarch64/predicates.md (aarch64_carry_operation): New.
12864         (aarch64_borrow_operation): New.
12866 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
12868         * graphite-optimize-isl.c (optimize_isl): Print a different debug
12869         message when isl does not return a valid schedule.
12871 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
12873         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
12874         Remove comments from class declarations: they are already in the code
12875         close by the defs.
12877 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
12879         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
12880         codegen_error_p.
12881         (ternary_op_to_tree): Same.
12882         (unary_op_to_tree): Same.
12883         (nary_op_to_tree): Same.
12884         (gcc_expression_from_isl_expr_op): Same.
12885         (gcc_expression_from_isl_expression): Same.
12886         (graphite_create_new_loop): Same.
12887         (graphite_create_new_loop_guard): Same.
12888         (build_iv_mapping): Same.
12889         (graphite_create_new_guard): Same.
12890         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
12891         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
12893 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
12895         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
12896         instead of setting codegen_error to fail codegen.
12898 2016-01-28  Jason Merrill  <jason@redhat.com>
12900         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
12902 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
12904         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
12905         Remove CONST_INT_P check in CCMP cost calculation.
12907 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
12909         * config/aarch64/aarch64.c (generic_vector_cost):
12910         Set vec_permute_cost.
12911         (cortexa57_vector_cost): Likewise.
12912         (exynosm1_vector_cost): Likewise.
12913         (xgene1_vector_cost): Likewise.
12914         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
12915         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
12916         Add vec_permute_cost entry.
12918 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
12920         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
12921         immediate as %1.
12922         (add<mode>3_compare0): Likewise.
12923         (addsi3_compare0_uxtw): Likewise.
12924         (add<mode>3nr_compare0): Likewise.
12925         (compare_neg<mode>): Likewise.
12926         (<optab><mode>3): Likewise.
12928 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
12930         * tree-vect-stmts.c (vectorizable_comparison): Add
12931         NULL check for vectype.
12933 2016-01-28  Richard Biener  <rguenther@suse.de>
12935         PR tree-optimization/69466
12936         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
12937         Account for PHIs we couldn't duplicate.
12939 2016-01-28  Martin Liska  <mliska@suse.cz>
12941         PR pch/68758
12942         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
12943         instead of ENABLE_VALGRIND_CHECKING.
12945 2016-01-27  Richard Henderson  <rth@redhat.com>
12947         PR rtl-opt/69447
12948         * lra-remat.c (subreg_regs): New.
12949         (dump_candidates_and_remat_bb_data): Dump it.
12950         (operand_to_remat): Reject if operand in subreg_regs.
12951         (set_bb_regs): Collect subreg_regs.
12952         (lra_remat): Init and free subreg_regs.  Compute
12953         calculate_local_reg_remat_bb_data before create_cands.
12955 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
12957         PR target/68986
12958         * config/i386/i386.c (ix86_update_stack_boundary): Don't
12959         change stack_alignment_needed for __tls_get_addr call.
12961 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
12963         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
12965 2016-01-27  Jeff Law  <law@redhat.com>
12967         PR tree-optimization/68398
12968         PR tree-optimization/69196
12969         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
12970         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
12971         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
12972         Only count PHIs in the last block in the path.  The others will
12973         const/copy propagate away.  Add heuristic to allow more irreducible
12974         subloops to be created when it is likely profitable to do so.
12976         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
12977         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
12978         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
12980 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
12982         PR lto/69254
12983         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
12984         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
12985         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
12986         * tree-streamer-in.c: Include asan.h.
12987         (streamer_get_builtin_tree): For builtins in sanitizer
12988         range call initialize_sanitizer_builtins and retry.
12990 2016-01-27  Ian Lance Taylor  <iant@google.com>
12992         * common.opt (fkeep-gc-roots-live): New undocumented option.
12993         * tree-ssa-loop-ivopts.c (add_candidate_1): If
12994         -fkeep-gc-roots-live, skip pointers.
12995         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
12996         NULL.
12998 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13000         PR target/69512
13001         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13002         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13004 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13006         PR target/68380
13007         * configure.ac: NetBSD provides SSP in its C library.
13008         * configure: Updated.
13010 2016-01-27  Richard Biener  <rguenther@suse.de>
13012         PR tree-optimization/69166
13013         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13014         reduction code for commutativity / associativity.
13016 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13018         PR tree-optimization/69355
13019         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13020         total_scalarization fails.
13022 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13024         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13025         power9.
13027 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13029         PR target/69245
13030         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13031         Move arm_reset_previous_fndecl and set_target_option_current_node in
13032         the conditional part.  Call save_restore_target_globals.
13033         * config/arm/arm.c (arm_set_current_function):
13034         Refactor to better support #pragma target and attribute mix.
13035         Call save_restore_target_globals.
13036         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13038 2016-01-27  Martin Liska  <mliska@suse.cz>
13040         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13041         reference for an HSA kernel and its host function.
13043 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13045         PR tree-optimization/69399
13046         * wide-int.h (wi::lrshift): For larger precisions, only
13047         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13049 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13051         * config/arc/predicates.md (proper_comparison_operator): Reject
13052         constant-constant comparison.
13054 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13056         PR tree-optimization/69110
13057         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13058         DR_NUM_DIMENSIONS == 0.
13060 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13061             Sebastian Pop  <s.pop@samsung.com>
13063         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13064         isl_ast_op_cond and isl_ast_op_select.
13065         (gcc_expression_from_isl_expr_op): Same.
13067 2016-01-26  Jason Merrill  <jason@redhat.com>
13069         PR c++/68782
13070         * tree.c (recompute_constructor_flags): Split out from
13071         build_constructor.
13072         (verify_constructor_flags): New.
13073         * tree.h: Declare them.
13075 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
13077         PR rtl-optimization/69217
13078         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
13079         are no TYPE_FIELDS set for the record type.
13081 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13083         PR target/68662
13084         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
13085         toc_label_name unconditionally.
13086         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
13087         SYMBOL_REF string.  Use toc_label_name instead of constructing
13088         LCTOC1.
13089         (rs6000_elf_declare_function_name): Use toc_label_name instead of
13090         constructing LCTOC1.
13092 2016-01-26  Martin Sebor  <msebor@redhat.com>
13094         PR other/69477
13095         * doc/extend.texi (Common Type Attributes): Move text that talks about
13096         attribute packed from attribute aligned to the section discussing
13097         the former attribute for clarity.
13099 2016-01-26  Richard Henderson  <rth@redhat.com>
13101         PR middle-end/60908
13102         * trans-mem.c (tm_region_init): Mark entry block as visited.
13104 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
13106         PR other/69006
13107         * diagnostic-show-locus.c (layout::print_source_line): Replace
13108         call to pp_newline with call to layout::print_newline.
13109         (layout::print_annotation_line): Likewise.
13110         (layout::move_to_column): Likewise.
13111         (layout::print_any_fixits): After printing any fixits, print a
13112         trailing newline, if necessary.
13113         (layout::print_newline): New method, resetting any colorization
13114         before a newline.
13115         (diagnostic_show_locus): Move the pp_newline to before the
13116         early bailout.  Remove dummy block enclosing the layout instance.
13117         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
13118         of pp_newline_and_flush with pp_flush.
13119         (diagnostic_append_note): Delete use of pp_newline.
13120         (diagnostic_append_note_at_rich_loc): Delete.
13121         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
13122         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
13123         when newline characters are added to the buffer.
13125 2016-01-26  Michael Matz  <matz@suse.de>
13127         * configure.ac (ac_cv_std_swap_in_utility): New test.
13128         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
13129         * configure: Regenerate.
13130         * config.in: Regenerate.
13132 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
13134         * config/arc/arc.md (cstoresi4): Force operand into register.
13135         (arcset<code>): Fix predicate.
13136         (arcsetltu): Likewise.
13137         (arcsetgeu): Likewise.
13138         (arcsethi): Likewise.
13139         (arcsetls): Likewise.
13141 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13143         PR tree-optimization/69483
13144         * gimple-fold.c (canonicalize_constructor_val): Return NULL
13145         if base has error_mark_node type.
13147 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
13149         PR target/68620
13150         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
13151         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
13152         New helper macros.
13153         (vget_lane_f16): Handle big-endian.
13154         (vgetq_lane_f16): Likewise.
13155         (vset_lane_f16): Likewise.
13156         (vsetq_lane_f16): Likewise.
13157         * config/arm/iterators.md (VQXMOV): Add V8HF.
13158         (VDQ): Add V4HF and V8HF.
13159         (V_reg): Handle V4HF and V8HF.
13160         (Is_float_mode): Likewise.
13161         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
13162         neon_vdup_nv8hf): New patterns.
13163         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
13164         Use VD_LANE iterator.
13165         (neon_vld1_dup<mode>): Use VQ2 iterator.
13167 2016-01-26  Nathan Sidwell  <nathan@acm.org>
13169         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
13170         (set_oacc_fn_attrib): Add IS_KERNEL arg.
13171         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
13172         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
13173         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
13174         (oacc_validate_dims): Add LEVEL arg, don't return level.
13175         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
13176         oacc_validate_dims.
13177         (execute_oacc_device_lower): Adjust, add more dump output.
13178         * tree-ssa-loop.c (gate_oacc_kernels): Use
13179         oacc_fn_attrib_kernels_p.
13180         * tree-parloops.c (create_parallel_loop): Adjust
13181         set_oacc_fn_attrib call.
13183 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13185         PR lto/69254
13186         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
13187         (append_compiler_options): Handle -fcilkplus.
13188         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
13190 2016-01-26  Nick Clifton  <nickc@redhat.com>
13192         PR target/66655
13193         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
13194         been marked as DECL_ONE_ONLY but we do not the means to make it
13195         so, then do not allow it to bind locally.
13197 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13199         PR lto/69254
13200         * opts.h (parse_sanitizer_options): New prototype.
13201         * opts.c (sanitizer_opts): New array.
13202         (parse_sanitizer_options): New function.
13203         (common_handle_option): Use parse_sanitizer_options.
13205 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
13207         PR target/68986
13208         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
13209         alignment adjustment to ...
13210         (ix86_update_stack_boundary): Here.  Don't over-align stack for
13211         __tls_get_addr.
13212         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
13213         if __tls_get_addr is called.
13215 2016-01-26  Christian Bruel  <christian.bruel@st.com>
13217         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
13219 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
13221         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
13223 2016-01-26  Richard Biener  <rguenther@suse.de>
13225         PR middle-end/69467
13226         * match.pd: Guard X * CST CMP 0 pattern with single_use.
13228 2016-01-26  Richard Biener  <rguenther@suse.de>
13230         PR tree-optimization/69452
13231         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
13232         (move_computations_dom_walker::before_dom_children): Rename
13233         to ...
13234         (move_computations_worker): This.
13235         (move_computations): Perform an RPO rather than a DOM walk.
13237 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13239         PR target/69442
13240         * combine.c (combine_instructions): For REG_EQUAL note with
13241         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
13242         to the underlying register.
13243         * doc/rtl.texi (REG_EQUAL): Document the behavior of
13244         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
13246 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
13248         PR target/67896
13249         * config/aarch64/aarch64-builtins.c
13250         (aarch64_init_simd_builtin_types): Do not set structural
13251         equality to __Poly{8,16,64,128}_t types.
13253 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
13255         PR tree-optimization/69400
13256         * wide-int.cc (wi_pack): Take the precision as argument and
13257         perform canonicalization here rather than in the callers.
13258         Use the main loop to handle all full-width HWIs.  Add a
13259         zero HWI if in_len isn't a full result.
13260         (wi::divmod_internal): Update accordingly.
13261         (wi::mul_internal): Likewise.  Simplify.
13263 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13264             Sebastian Pop  <s.pop@samsung.com>
13266         * graphite-poly.c (apply_poly_transforms): Simplify.
13267         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
13268         (print_isl_map): Same.
13269         (print_isl_union_map): Same.
13270         (print_isl_schedule): New.
13271         (debug_isl_schedule): New.
13272         * graphite-dependences.c (scop_get_reads): Do not call
13273         isl_union_map_add_map that is undocumented isl functionality.
13274         (scop_get_must_writes): Same.
13275         (scop_get_may_writes): Same.
13276         (scop_get_original_schedule): Remove.
13277         (scop_get_dependences): Do not call isl_union_map_compute_flow that
13278         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
13279         (compute_deps): Remove.
13280         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
13281         (debug_schedule_ast): New.
13282         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
13283         set_separate_option.
13284         (graphite_regenerate_ast_isl): Add dump.
13285         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
13286         from scop->transformed_schedule.
13287         (graphite_regenerate_ast_isl): Add more dump.
13288         * graphite-optimize-isl.c (optimize_isl): Set
13289         scop->transformed_schedule.  Check whether schedules are equal.
13290         (apply_poly_transforms): Move here.
13291         * graphite-poly.c (apply_poly_transforms): ... from here.
13292         (free_poly_bb): Static.
13293         (free_scop): Static.
13294         (pbb_number_of_iterations_at_time): Remove.
13295         (print_isl_ast): New.
13296         (debug_isl_ast): New.
13297         (debug_scop_pbb): New.
13298         * graphite-scop-detection.c (print_edge): Move.
13299         (print_sese): Move.
13300         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
13301         (build_scop_scattering): Remove.
13302         (create_pw_aff_from_tree): Assert instead of bailing out.
13303         (add_condition_to_pbb): Remove unused code, do not fail.
13304         (add_conditions_to_domain): Same.
13305         (add_conditions_to_constraints): Remove.
13306         (build_scop_context): New.
13307         (add_iter_domain_dimension): New.
13308         (build_iteration_domains): Initialize pbb->iterators.
13309         Call add_conditions_to_domain.
13310         (nested_in): New.
13311         (loop_at): New.
13312         (index_outermost_in_loop): New.
13313         (index_pbb_in_loop): New.
13314         (outermost_pbb_in): New.
13315         (add_in_sequence): New.
13316         (add_outer_projection): New.
13317         (outer_projection_mupa): New.
13318         (add_loop_schedule): New.
13319         (build_schedule_pbb): New.
13320         (build_schedule_loop): New.
13321         (embed_in_surrounding_loops): New.
13322         (build_schedule_loop_nest): New.
13323         (build_original_schedule): New.
13324         (build_poly_scop): Call build_original_schedule.
13325         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
13326         (free_poly_dr): Remove.
13327         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
13328         (free_poly_bb): Remove.
13329         (debug_loop_vec): Remove.
13330         (print_isl_ast): Declare.
13331         (debug_isl_ast): Declare.
13332         (scop_do_interchange): Remove.
13333         (scop_do_strip_mine): Remove.
13334         (scop_do_block): Remove.
13335         (flatten_all_loops): Remove.
13336         (optimize_isl): Remove.
13337         (pbb_number_of_iterations_at_time): Remove.
13338         (debug_scop_pbb): Declare.
13339         (print_schedule_ast): Declare.
13340         (debug_schedule_ast): Declare.
13341         (struct scop): Remove schedule.  Add original_schedule,
13342         transformed_schedule.
13343         (free_gimple_poly_bb): Remove.
13344         (print_generated_program): Remove.
13345         (debug_generated_program): Remove.
13346         (unify_scattering_dimensions): Remove.
13347         * sese.c (print_edge): ... here.
13348         (print_sese): ... here.
13349         (debug_edge): ... here.
13350         (debug_sese): ... here.
13351         * sese.h (print_edge): Declare.
13352         (print_sese): Declare.
13353         (dump_edge): Declare.
13354         (dump_sese): Declare.
13356 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13357             Sebastian Pop  <s.pop@samsung.com>
13359         * Makefile.in: Set ISLVER in site.exp.
13361 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
13363         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
13364         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
13365         through DECL_VALUE_EXPR for expansion.
13367 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13369         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
13370         the frame info after reload completed.
13372 2016-01-25  Jeff Law  <law@redhat.com>
13374         PR tree-optimization/69196
13375         PR tree-optimization/68398
13376         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
13377         tree-ssa-threadupdate.c.
13378         (determine_bb_domination_status): Prototype
13379         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
13380         (determine_bb_domination_status): No longer static.
13381         (valid_jump_thread_path): Remove code to detect characteristics
13382         of the jump thread path not associated with correctness.
13383         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
13384         Correct test for thread path length.  Count PHIs for real operands as
13385         statements that need to be copied.  Do not count ASSERT_EXPRs.
13386         Look at all the blocks in the thread path.  Compute and selectively
13387         filter thread paths based on threading through the latch, threading
13388         a multiway branch or crossing a multiway branch.
13390 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13392         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
13393         decl with __attribute__ ((unused)) annotation.
13395 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
13397         PR target/69421
13398         * tree-vect-stmts.c (vectorizable_condition): Check vectype
13399         of operands is compatible with a statement vectype.
13401 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
13403         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
13404         improve wording for mixed storage order support.
13406 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
13408         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
13409         (vcvt_u64_f64): Likewise.
13410         (vcvta_s64_f64): Likewise.
13411         (vcvta_u64_f64): Likewise.
13412         (vcvtm_s64_f64): Likewise.
13413         (vcvtm_u64_f64): Likewise.
13414         (vcvtn_s64_f64): Likewise.
13415         (vcvtn_u64_f64): Likewise.
13416         (vcvtp_s64_f64): Likewise.
13417         (vcvtp_u64_f64): Likewise.
13419 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
13421         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
13422         (arc_init): Check validity mll64 option.
13423         (arc_save_restore): Use double load/store instruction.
13424         (arc_expand_movmem): Likewise.
13425         (arc_split_move): Don't split if we have double load/store
13426         instructions. Returns a boolean.
13427         (arc_process_double_reg_moves): Change function to return boolean
13428         instead of a sequence of instructions.
13429         (arc_dwarf_register_span): New function.
13430         * config/arc/arc-protos.h (arc_split_move): Change prototype.
13431         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
13432         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
13433         (*movdf_insn): Likewise.
13434         * config/arc/arc.opt (mll64): New option.
13435         * config/arc/predicates.md (even_register_operand): New predicate.
13436         * doc/invoke.texi (ARC Options): Add mll64 documentation.
13438 2016-01-25  Richard Biener  <rguenther@suse.de>
13440         PR lto/69393
13441         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
13442         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
13443         DECL_NAMELESS.
13444         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
13446 2016-01-25  Richard Biener  <rguenther@suse.de>
13448         PR tree-optimization/69376
13449         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
13450         flag.
13451         (VN_INFO_ANTI_RANGE_P): New inline.
13452         (VN_INFO_RANGE_TYPE): Likewise.
13453         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
13454         SSA_NAME_ANTI_RANGE_P.
13455         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
13456         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
13457         Properly query VN_INFO_RANGE_TYPE.
13459 2016-01-25  Nick Clifton  <nickc@redhat.com>
13461         PR target/66655
13462         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
13464 2016-01-23  Tom de Vries  <tom@codesourcery.com>
13466         PR tree-optimization/69426
13467         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
13468         removed clobber.
13470 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
13472         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
13473         "the the" with "the" in the comments.
13474         * ipa-devirt.c (build_type_inheritance_graph,
13475         update_type_inheritance_graph): Likewise.
13476         * tree.c (build_function_type_list_1): Likewise.
13477         * cfgloopmanip.c (scale_loop_profile): Likewise.
13478         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
13479         * gimple-ssa-split-paths.c
13480         (find_block_to_duplicate_for_splitting_paths): Likewise.
13481         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
13482         * expr.c (convert_move): Likewise.
13483         * var-tracking.c (vt_stack_adjustments): Likewise.
13484         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
13485         * tree-vrp.c (test_for_singularity): Likewise.
13487         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
13488         directly instead of building a temporary tree.
13490         PR bootstrap/69434
13491         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
13492         remove <algorithm> include.
13494 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
13496         PR target/69432
13497         * config/i386/i386.c: Include dojump.h.
13498         (expand_small_movmem_or_setmem,
13499         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
13500         fixes.
13501         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
13502         if dynamic_check != -1.
13504 2016-01-21  Jeff Law  <law@redhat.com>
13506         PR middle-end/69347
13507         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
13508         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
13509         into dominated_by_p.
13510         (cprop_into_successor_phis): Avoid unnecessary tests.
13512 2016-01-22  Richard Henderson  <rth@redhat.com>
13514         PR target/69416
13515         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
13516         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
13518 2016-01-22  Michael Matz  <matz@suse.de>
13520         * system.h (string, algorithm): Include only conditionally.
13521         (new): Include always under C++.
13522         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
13523         * final.c (toplevel): Ditto.
13524         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
13525         * genconditions.c (write_header): Make gencondmd.c define
13526         INCLUDE_STRING.
13527         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
13529         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
13530         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
13532 2016-01-22  Christian Bruel  <christian.bruel@st.com>
13534         PR target/68674
13535         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
13537 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13539         PR target/69403
13540         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
13541         define_insn_and_split.  Ensure operands[1] and operands[0] do not
13542         get assigned the same register.
13544 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
13546         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
13548 2016-01-22  Christian Bruel  <christian.bruel@st.com>
13550         * config/arm/arm-c.c (arm_pragma_target_parse):
13551         Remove warn_builtin_macro_redefined overwrite.
13553 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
13555         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
13556         flag_non_call_exceptions compatibility.
13558 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
13560         PR debug/66668
13561         * dwarf2out.c (add_child_die_after): New function.
13562         (dwarf_qual_info_t): New type.
13563         (dwarf_qual_info): New variable.
13564         (qualified_die_p): New function.
13565         (modified_type_die): For -fdebug-types-section, ensure
13566         canonical order of qualifiers.  Put qualified DIEs adjacent
13567         to the corresponding non-qualified type DIE and search there
13568         for existing qualified DIEs.
13570 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
13572         * doc/extend.texi (scalar_storage_order type attribute): Document
13573         restriction on type punning and aliasing, and remove future tense.
13575 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
13577         PR target/69252
13578         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
13579         first stage.
13581 2016-01-21  Jeff Law  <law@redhat.com>
13583         PR middle-end/69347
13584         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
13585         useless call to record_temporary_equivalences.
13586         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
13587         allocate 10 slots in the bb_path vector and let it grow as needed.
13588         (fsm_find_control_statement_thread_paths): Similarly for the next_path
13589         vector.
13591 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
13593         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
13594         Detangle.
13595         * configure: Regenerate.
13597 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
13599         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
13600         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
13602 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
13604         PR middle-end/66178
13605         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
13606         drop EXPAND_INITIALIZER.
13607         * rtl.h (contains_symbolic_reference_p): Declare.
13608         * rtlanal.c (contains_symbolic_reference_p): New function.
13609         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
13610         a subtraction into a NOT if symbolic constants are involved.
13612 2016-01-21  Anton Blanchard  <anton@samba.org>
13613             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13615         PR target/63354
13616         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
13617         #define.
13618         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
13619         function.
13621 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
13623         * config/microblaze/microblaze.c
13624         (get_branch_target): New.
13625         (insert_wic_for_ilb_runout): New.
13626         (insert_wic): New.
13627         (microblaze_machine_dependent_reorg): New.
13628         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
13629         * config/microblaze/microblaze.md
13630         (UNSPEC_IPREFETCH): Define.
13631         (iprefetch): New pattern
13632         * config/microblaze/microblaze.opt
13633         (mxl-prefetch): New flag.
13635 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
13637         * config/microblaze/microblaze.h
13638         (FIXED_REGISTERS): Update in macro.
13639         (CALL_USED_REGISTERS): Update in macro.
13641 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
13643         PR rtl-optimization/68920
13644         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
13645         moves.
13647 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
13649         PR rtl-optimization/68990
13650         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
13651         pseudo instead of inheritance ones.
13653 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13654             Nick Clifton  <nickc@redhat.com>
13656         PR target/69129
13657         PR target/69012
13658         * config/mips/mips.c (mips_compute_frame_info): Initialise
13659         args_size and hard_frame_pointer_offset fields of the frame
13660         structure before calling mips_global_pointer.
13662 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
13664         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
13665         label reference.
13666         * configure: Regenerate.
13668 2016-01-21  Richard Biener  <rguenther@suse.de>
13670         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
13672 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
13674         * config/s390/s390.c (s390_asm_declare_function_size): Add code
13675         to actually emit the .size directive.
13677 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
13678              Jakub Jelinek  <jakub@redhat.com>
13680         PR target/69187
13681         PR target/65624
13682         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
13683         args array size by one to avoid buffer overflow.
13685 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
13687         * config/s390/s390.md (pool_section_start): Use switch_to_section
13688         to select proper read-only data section instead of hardcoding
13689         .rodata.
13690         (pool_section_end): Use switch_to_section to match the above.
13692 2016-01-21  Richard Biener  <rguenther@suse.de>
13694         PR tree-optimization/69378
13695         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
13696         (set_ssa_val_to): Use it for dominance checks taking into
13697         account not executable edges.
13699 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
13701         PR c++/69355
13702         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
13703         for bitsize instead of GET_MODE_PRECISION (mode).
13705 2016-01-20  Martin Sebor  <msebor@redhat.com>
13707         PR c/52291
13708         * extend.texi (__sync Builtins): Clarify the semantics of
13709         __sync_fetch_and_OP built-ins on pointers.
13710         (__atomic Builtins): Same.
13712 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13713             Sebastian Pop  <s.pop@samsung.com>
13715         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
13716         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
13717         (is_valid_rename): Same.
13718         (translate_isl_ast_to_gimple::get_rename): Same.
13719         (translate_isl_ast_to_gimple::rename_all_uses): Same.
13720         (translate_isl_ast_to_gimple::rename_uses): Same.
13721         (get_new_name): Check for close_phi nodes.
13722         (copy_loop_phi_args): Use phi_node_kind.
13723         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
13724         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
13726 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13727             Sebastian Pop  <s.pop@samsung.com>
13729         Revert commit r229783.
13730         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
13731         Remove use of parameter_rename_map.
13732         (copy_def): Remove.
13733         (copy_internal_parameters): Remove.
13734         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
13735         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
13736         (free_sese_info): Do not free parameter_rename_map.
13737         (set_rename): Do not use parameter_rename_map.
13738         (rename_uses): Update call to set_rename.
13739         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
13740         * sese.h (parameter_rename_map_t): Remove.
13741         (struct sese_info_t): Remove field parameter_rename_map.
13743 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13744             Sebastian Pop  <s.pop@samsung.com>
13746         * graphite-isl-ast-to-gimple.c: Fix comment.
13747         * graphite-scop-detection.c (defined_in_loop_p): New.
13748         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
13749         names defined in loop.
13751 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13752             Sebastian Pop  <s.pop@samsung.com>
13754         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
13755         Discard unstructured if-then-else regions.
13757 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13758             Sebastian Pop  <s.pop@samsung.com>
13760         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
13761         (cleanup_loop_iter_dom): Remove.
13762         (build_loop_iteration_domains): Remove.
13763         (build_scop_context): Remove.
13764         (build_scop_iteration_domain): Remove.
13765         (add_loop_constraints): New.
13766         (build_iteration_domains): New.
13767         (build_poly_scop): Call build_iteration_domains.
13769 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13770             Sebastian Pop  <s.pop@samsung.com>
13772         * graphite-scop-detection.c
13773         (scop_detection::harmful_loop_in_region): Free dom and loops.
13774         (scop_detection::loop_body_is_valid_scop): Free bbs.
13776 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13777             Sebastian Pop  <s.pop@samsung.com>
13779         * graphite-scop-detection.c (record_loop_in_sese): New.
13780         (gather_bbs::before_dom_children): Call record_loop_in_sese.
13781         (build_scops): Remove call to build_sese_loop_nests.
13782         * sese.c (sese_record_loop): Remove.
13783         (build_sese_loop_nests): Remove.
13784         (new_sese_info): Remove region->loops.
13785         (free_sese_info): Same.
13786         * sese.h (sese_contains_loop): Same.
13787         (build_sese_loop_nests): Remove.
13788         (sese_contains_loop): Remove.
13790 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13791             Sebastian Pop  <s.pop@samsung.com>
13793         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
13794         loop_is_valid_in_scop.
13795         (scop_detection::harmful_stmt_in_region): Renamed
13796         harmful_loop_in_region.
13797         Call loop_is_valid_in_scop.
13799 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13800             Sebastian Pop  <s.pop@samsung.com>
13802         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
13803         isl_ast_node_mark.
13805 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13806             Sebastian Pop  <s.pop@samsung.com>
13808         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
13809         * graphite.h (struct poly_bb): Remove field is_reduction.
13810         (PBB_IS_REDUCTION): Remove.
13812 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
13813             Sebastian Pop  <s.pop@samsung.com>
13815         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
13816         (add_pdr_constraints): Same.
13817         (scop_get_reads): Same.
13818         (scop_get_must_writes): Same.
13819         (scop_get_may_writes): Same.
13820         (scop_get_original_schedule): Same.
13821         (extend_schedule): Same.
13822         (apply_schedule_on_deps): Same.
13823         (carries_deps): Same.
13824         (compute_deps): Same.
13825         (scop_get_dependences): Same.
13826         * graphite-isl-ast-to-gimple.c
13827         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
13828         * graphite-optimize-isl.c (get_schedule_for_band): Same.
13829         (get_schedule_for_band_list): Same.
13830         (get_schedule_map): Same.
13831         (apply_schedule_map_to_scop): Same.
13832         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
13833         (build_loop_iteration_domains): Same.
13834         (add_condition_to_pbb): Same.
13835         (add_param_constraints): Same.
13836         (pdr_add_memory_accesses): Same.
13837         (pdr_add_data_dimensions): Same.
13839 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
13841         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
13842         requirements.
13844 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
13846         * common.opt (feliminate-dwarf2-dups): Replace references to
13847         "DWARF 2" with just "DWARF".
13848         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
13849         * doc/extend.texi: Likewise.
13850         * doc/cpp.texi: Likewise.
13851         * doc/invoke.texi: Likewise.
13852         (Option Summary): Add -gdwarf to list of Debugging Options.
13853         (Debugging Options): Document -gdwarf.
13854         * doc/contrib.texi: Spell "DWARF" like that.
13856 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
13858         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
13859         warning.  Fix up formatting.
13861         PR middle-end/67653
13862         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
13863         attempt to mark memory input operand addressable and
13864         call prepare_gimple_addressable in that case.  Don't adjust
13865         input_location for diagnostics, use error_at instead.
13867 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
13869         * config/rs6000/ppc-auxv.h: New file.
13870         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
13871         (cpu_is): Likewise.
13872         (cpu_supports): Likewise.
13873         * config/rs6000/rs6000.c: include "ppc-auxv.h".
13874         (cpu_is_info): New variable.
13875         (cpu_supports_info): Likewise.
13876         (tcb_verification_symbol): Likewise.
13877         (cpu_builtin_p): Likewise.
13878         (cpu_expand_builtin): New function.
13879         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
13880         (rs6000_init_builtins): Likewise.
13881         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
13882         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
13883         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
13884         * configure: Regenerate.
13885         * config.in: Likewise.
13886         * doc/extend.texi (PowerPC Built-in Functions): Document
13887         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
13889 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
13891         PR target/68609
13892         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
13893         domain check.
13894         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
13895         for V4SFmode.
13897 2016-01-20  Richard Henderson  <rth@redhat.com>
13899         PR bootstrap/69343
13900         PR bootstrap/69339
13901         PR tree-opt/68964
13902         Revert:
13903         * tree.c (tm_define_builtin): New.
13904         (find_tm_vector_type): New.
13905         (build_tm_vector_builtins): New.
13906         (build_common_builtin_nodes): Call it.
13908 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
13910         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
13911         (arm_fp_ok): Likewise.
13912         (arm_fp): Likewise.
13913         (arm_crypto): Likewise.
13915 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
13916             Richard Biener  <rguenther@suse.de>
13918         PR tree-optimization/69328
13919         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
13920         vectors have same number of elements.
13921         (vectorizable_condition): Fix masked version recognition.
13923 2016-01-20  Richard Biener  <rguenther@suse.de>
13925         PR tree-optimization/69345
13926         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
13927         (VN_INFO_PTR_INFO): Likewise.
13928         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
13929         info when it is equal between non-dominating SSA names.
13930         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
13931         Make sure to look at original SSA infos.
13933 2016-01-20  Jeff Law  <law@redhat.com>
13935         PR target/25114
13936         * config/m68k/predicates.md (pow2_m1_operand): New predicate
13937         extracted from ...
13938         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
13939         (pc_or_label_operand): New predicate.
13940         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
13941         tests for small integers that are 2^n - 1.
13943 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
13945         * doc/invoke.texi (Options Summary): Add '.' after @xref.
13947 2016-01-19  Jeff Law  <law@redhat.com>
13949         PR middle-end/69347
13950         * tree-ssa-threadbackwards.c
13951         (fsm_find_control_statement_thread_paths): Do not try to lookup
13952         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
13954 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
13956         * doc/lto.texi: Remove text that says only Gold has linker plugin
13957         support.
13959 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
13961         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
13962         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
13963         the DIE accordingly.
13964         (modified_type_die): Add REVERSE parameter and pass it recursively,
13965         as well as to base_type_die.  Adjust presence check accordingly.
13966         (base_type_for_mode): Adjust call to modified_type_die.
13967         (add_type_attribute): Add REVERSE parameter and pass it to
13968         modified_type_die.
13969         (generic_parameter_die): Adjust call to add_type_attribute.
13970         (add_scalar_info): Likewise.
13971         (add_subscript_info): Likewise.
13972         (gen_array_type_die): Likewise.
13973         (gen_descr_array_type_die): Likewise.
13974         (gen_entry_point_die): Likewise.
13975         (gen_enumeration_type_die): Likewise.
13976         (gen_formal_parameter_die): Likewise.
13977         (gen_subprogram_die): Likewise.
13978         (gen_variable_die ): Likewise.
13979         (gen_const_die): Likewise.
13980         (gen_field_die): Likewise.
13981         (gen_pointer_type_die): Likewise.
13982         (gen_reference_type_die): Likewise.
13983         (gen_ptr_to_mbr_type_die): Likewise.
13984         (gen_inheritance_die): Likewise.
13985         (gen_subroutine_type_die): Likewise.
13986         (gen_typedef_die): Likewise.
13987         (force_type_die): Adjust call to modified_type_die.
13989 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
13991         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
13992         flow throughout the file.  Fix broken link to Objective-C 2.0
13993         documentation.
13994         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
13995         errors.
13997 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
13999         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14001 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14003         PR ipa/66223
14004         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14005         (maybe_record_node): Record cxa_pure_virtual as the only possible
14006         target if there are not ohter candidates.
14007         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14009 2016-01-19  Richard Biener  <rguenther@suse.de>
14011         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14012         (get_memory_order): Likewise.
14014 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14016         * tree-vect-stmts.c (vectorizable_store): Check
14017         rhs vectype.
14019 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14021         PR jit/68446
14022         * gcc.c (driver::decode_argv): Add call to
14023         init_opts_obstack before init_options_struct.
14024         * opts.c (init_opts_obstack): Remove idempotency.
14025         (init_options_struct): Replace call to init_opts_obstack
14026         with a gcc_assert to verify that it has already been called.
14027         * toplev.c (toplev::main): Add call to init_opts_obstack before
14028         calls to init_options_struct.
14029         (toplev::finalize): Move cleanup of opts_obstack next to
14030         cleanup of save_decoded_options, clearing the latter, and
14031         save_decoded_options_count.
14033 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14035         PR target/69135
14036         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14037         attribute to unconditional.  Remove %? from output template.
14039 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14040             Jiong Wang  <jiong.wang@arm.com>
14042         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14043         generated from different expand order.
14045 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14047         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14048         Add support for CCMP costing.
14050 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14052         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14053         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14054         (fccmpe<mode>): Likewise.
14055         (fcmp): Rename to fcmp and globalize pattern.
14056         (fcmpe): Likewise.
14057         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14058         (aarch64_gen_ccmp_next): Add FP support.
14060 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14062         * target.def (gen_ccmp_first): Update documentation.
14063         (gen_ccmp_next): Likewise.
14064         * doc/tm.texi (gen_ccmp_first): Update documentation.
14065         (gen_ccmp_next): Likewise.
14066         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
14067         expand_ccmp_expr_1.  Improve comments.
14068         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
14069         (ccmp_ior<mode>): Remove pattern.
14070         (cmp<mode>): Remove expand.
14071         (cmp): Globalize pattern.
14072         (cstorecc4): Use cc_register.
14073         (mov<mode>cc): Remove ccmp_cc_register check.
14074         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
14075         Simplify after removal of CC_DNE/* modes.
14076         (aarch64_ccmp_mode_to_code): Remove.
14077         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
14078         In 'k' case use integer as condition.
14079         (aarch64_nzcv_codes): Remove inverted cases.
14080         (aarch64_code_to_ccmode): Remove.
14081         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
14082         comparison with CC register to be used in folowing CCMP/branch/CSEL.
14083         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
14084         pattern.  Return the comparison with CC register.  Invert conditions
14085         when bitcode is OR.
14086         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
14087         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
14089 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14091         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14092         instrumented_version.
14094 2016-01-19  Richard Biener  <rguenther@suse.de>
14096         PR tree-optimization/69336
14097         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
14098         handled components with get_ref_base_and_extent.
14099         (equal_mem_array_ref_p): Adjust.
14101 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14103         PR debug/65779
14104         * shrink-wrap.c: Include valtrack.h.
14105         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
14106         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
14107         in between insn and where it will be moved to.  Call
14108         dead_debug_insert_temp.
14109         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
14110         first and dead_debug_local_finish at the end.
14111         For uses and defs bitmap, handle all regs in between REGNO and
14112         END_REGNO, not just the first one.
14114 2016-01-19  Richard Biener  <rguenther@suse.de>
14116         PR tree-optimization/69352
14117         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
14118         (equal_mem_array_ref_p): Constrain size and max size properly.
14119         Compare the reverse flag.
14121 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
14123         * ira.c (ira): Update regstat data if we deleted insns.
14125 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14127         PR rtl-optimization/68955
14128         PR rtl-optimization/64557
14129         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
14130         here.  Fix up formatting.
14131         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
14133 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14135         PR lto/69133
14136         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
14137         assume that the node has body.
14138         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
14139         check.
14141 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14143         * lto-streamer-out.c (lto_output): Do not stream instrumentation
14144         thunks.
14146 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14148         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
14149         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
14151 2016-01-19  Martin Jambor  <mjambor@suse.cz>
14152             Martin Liska  <mliska@suse.cz>
14153             Michael Matz  <matz@suse.de>
14155         * Makefile.in (OBJS): Add new source files.
14156         (GTFILES): Add hsa.c.
14157         * common.opt (disable_hsa): New variable.
14158         (-Whsa): New warning.
14159         * config.in (ENABLE_HSA): New.
14160         * configure.ac: Treat hsa differently from other accelerators.
14161         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
14162         $enable_offloading.
14163         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
14164         * doc/install.texi (Configuration): Document --with-hsa-runtime,
14165         --with-hsa-runtime-include, --with-hsa-runtime-lib and
14166         --with-hsa-kmt-lib.
14167         * doc/invoke.texi (-Whsa): Document.
14168         (hsa-gen-debug-stores): Likewise.
14169         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
14170         to invoke offload compiler for hsa acclerator.
14171         * opts.c (common_handle_option): Determine whether HSA offloading
14172         should be performed.
14173         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
14174         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
14175         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
14176         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
14177         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
14178         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
14179         GF_OMP_FOR_KIND_GRID_LOOP.
14180         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
14181         (pp_gimple_stmt_1): Likewise.
14182         * gimple-walk.c (walk_gimple_stmt): Likewise.
14183         * gimple.c (gimple_build_omp_grid_body): New function.
14184         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
14185         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
14186         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
14187         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
14188         GF_OMP_TEAMS_GRID_PHONY.
14189         (gimple_statement_omp_single_layout): Updated comments.
14190         (gimple_build_omp_grid_body): New function.
14191         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
14192         (gimple_omp_for_grid_phony): New function.
14193         (gimple_omp_for_set_grid_phony): Likewise.
14194         (gimple_omp_parallel_grid_phony): Likewise.
14195         (gimple_omp_parallel_set_grid_phony): Likewise.
14196         (gimple_omp_teams_grid_phony): Likewise.
14197         (gimple_omp_teams_set_grid_phony): Likewise.
14198         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
14199         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
14200         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
14201         (BUILT_IN_GOMP_TARGET): Updated type.
14202         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
14203         (adjust_for_condition): New function.
14204         (get_omp_for_step_from_incr): Likewise.
14205         (extract_omp_for_data): Moved parts to adjust_for_condition and
14206         get_omp_for_step_from_incr.
14207         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
14208         (fixup_child_record_type): Bail out if receiver_decl is NULL.
14209         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
14210         (scan_omp_parallel): Do not create child functions for phony
14211         constructs.
14212         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
14213         (scan_omp_1_op): Checking assert we are not remapping to
14214         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
14215         (parallel_needs_hsa_kernel_p): New function.
14216         (expand_parallel_call): Register apprpriate parallel child
14217         functions as HSA kernels.
14218         (grid_launch_attributes_trees): New type.
14219         (grid_attr_trees): New variable.
14220         (grid_create_kernel_launch_attr_types): New function.
14221         (grid_insert_store_range_dim): Likewise.
14222         (grid_get_kernel_launch_attributes): Likewise.
14223         (get_target_argument_identifier_1): Likewise.
14224         (get_target_argument_identifier): Likewise.
14225         (get_target_argument_value): Likewise.
14226         (push_target_argument_according_to_value): Likewise.
14227         (get_target_arguments): Likewise.
14228         (expand_omp_target): Call get_target_arguments instead of looking
14229         up for teams and thread limit.
14230         (grid_expand_omp_for_loop): New function.
14231         (grid_arg_decl_map): New type.
14232         (grid_remap_kernel_arg_accesses): New function.
14233         (grid_expand_target_kernel_body): New function.
14234         (expand_omp): Call it.
14235         (lower_omp_for): Do not emit phony constructs.
14236         (lower_omp_taskreg): Do not emit phony constructs but create for them
14237         a temporary variable receiver_decl.
14238         (lower_omp_taskreg): Do not emit phony constructs.
14239         (lower_omp_teams): Likewise.
14240         (lower_omp_grid_body): New function.
14241         (lower_omp_1): Call it.
14242         (grid_reg_assignment_to_local_var_p): New function.
14243         (grid_seq_only_contains_local_assignments): Likewise.
14244         (grid_find_single_omp_among_assignments_1): Likewise.
14245         (grid_find_single_omp_among_assignments): Likewise.
14246         (grid_find_ungridifiable_statement): Likewise.
14247         (grid_target_follows_gridifiable_pattern): Likewise.
14248         (grid_remap_prebody_decls): Likewise.
14249         (grid_copy_leading_local_assignments): Likewise.
14250         (grid_process_kernel_body_copy): Likewise.
14251         (grid_attempt_target_gridification): Likewise.
14252         (grid_gridify_all_targets_stmt): Likewise.
14253         (grid_gridify_all_targets): Likewise.
14254         (execute_lower_omp): Call grid_gridify_all_targets.
14255         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
14256         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
14257         (tree_omp_clause): Added union field dimension.
14258         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
14259         * tree.c (omp_clause_num_ops): Added number of arguments of
14260         OMP_CLAUSE__GRIDDIM_.
14261         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
14262         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
14263         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
14264         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
14265         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
14266         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
14267         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
14268         * tree-pass.h (make_pass_gen_hsail): Declare.
14269         (make_pass_ipa_hsa): Likewise.
14270         * ipa-hsa.c: New file.
14271         * lto-section-in.c (lto_section_name): Add hsa section name.
14272         * lto-streamer.h (lto_section_type): Add hsa section.
14273         * timevar.def (TV_IPA_HSA): New.
14274         * hsa-brig-format.h: New file.
14275         * hsa-brig.c: New file.
14276         * hsa-dump.c: Likewise.
14277         * hsa-gen.c: Likewise.
14278         * hsa.c: Likewise.
14279         * hsa.h: Likewise.
14280         * toplev.c (compile_file): Call hsa_output_brig.
14281         * hsa-regalloc.c: New file.
14283 2016-01-18  Jeff Law  <law@redhat.com>
14285         PR tree-optimization/69320
14286         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
14287         ranged object, do nothing if the RHS constant is not [0..1].
14288         (optimize_stmt): Comparing a boolean ranged object against a
14289         constant outside [0..1] results in a compile-time constant.
14291         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
14292         test.
14294 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
14296         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14297         (Option Summary): Update to reflect new section and moved options.
14298         (C++ Dialect Options): Move -fstats to new section.
14299         (Debugging Options): Move all dump, statistics, and other GCC
14300         developer options to new section.  Rewrite section introduction
14301         and re-order remaining options to put the more basic ones first.
14302         (Optimization Options): Move -fira-verbose and -flto-report* to
14303         new section.
14304         (Developer Options): New section incorporating moved options.
14305         * doc/cppopts.texi (-dM): Update cross-reference.
14307 2016-01-18  Richard Henderson  <rth@redhat.com>
14309         PR target/69176
14310         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
14311         operands to pseudo only if CSE is expected.  Split long immediate
14312         operands only after reload, and for the stack pointer.
14313         (*add<GPI>3_pluslong): Remove.
14314         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
14315         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
14316         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
14317         (*add<GPI>3 peepholes): New.
14318         (*add<GPI>3 splitters): New.
14319         * config/aarch64/constraints.md (Upl): New.
14320         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
14322 2016-01-18  Richard Biener  <rguenther@suse.de>
14324         PR tree-optimization/69297
14325         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
14326         stmt at most once.
14327         (vect_bb_vectorization_profitable_p): Clear visited flag again.
14329 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
14331         PR middle-end/68542
14332         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
14333         of mixind vector and scalar types.
14334         (fold_relational_const): Add handling of vector
14335         comparison with boolean result.
14336         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
14337         comparison of vector operands with boolean result for EQ/NE only.
14338         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
14339         (verify_gimple_cond): Likewise.
14340         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
14341         valid type of VAL.
14343 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
14345         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
14346         !TARGET_OCTEON.
14348 2016-01-18  Richard Biener  <rguenther@suse.de>
14350         PR middle-end/69308
14351         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
14353 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14355         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
14357 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14359         * omp-low.c (set_oacc_fn_attrib): Make extern.
14360         * omp-low.h (set_oacc_fn_attrib): Declare.
14361         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
14362         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
14363         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
14364         Add and handle function parameter oacc_kernels_p.
14365         (find_reduc_addr, get_omp_data_i_param): New function.
14366         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
14367         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
14368         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
14369         Calculate dominance info.  Skip loops that are not in a kernels region
14370         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
14371         (pass_parallelize_loops::execute): Call parallelize_loops with
14372         oacc_kernels_p argument.
14373         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
14374         New member function.
14375         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
14376         * passes.def: Add argument to pass_parallelize_loops instantation.
14378 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14380         * tree-parloops.c (pass_parallelize_loops::execute): Allow
14381         pass_parallelize_loops to be run outside the loop pipeline.
14383 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14385         * tree-scalar-evolution.c (follow_copies_to_constant): New.
14386         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
14388 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14390         PR target/63679
14391         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
14392         using get_ref_base_and_extent.
14393         (equal_mem_array_ref_p): New.
14394         (hashable_expr_equal_p): Add call to previous.
14396 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14398         PR target/63679
14399         * tree-sra.c (disqualified_constants, constant_decl_p): New.
14400         (sra_initialize): Allocate disqualified_constants.
14401         (sra_deinitialize): Free disqualified_constants.
14402         (disqualify_candidate): Update disqualified_constants when appropriate.
14403         (create_access): Scan for constant-pool entries as we go along.
14404         (scalarizable_type_p): Add check against type_contains_placeholder_p.
14405         (maybe_add_sra_candidate): Allow constant-pool entries.
14406         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
14407         (initialize_constant_pool_replacements): New.
14408         (sra_modify_assign): Avoid mangling assignments created by previous,
14409         and don't generate writes into constant pool.
14410         (sra_modify_function_body): Call initialize_constant_pool_replacements.
14412 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
14414         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
14415         andnot instruction.
14416         (scalar_chain::convert_op): Likewise.
14417         * config/i386/i386.md (*andndi3_doubleword): New.
14419 2016-01-18  Richard Biener  <rguenther@suse.de>
14421         PR tree-optimization/69170
14422         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
14423         building a vector from scalar results of a pattern stmt.
14425 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
14427         * haifa-sched.c (autopref_multipass_init): Work around
14428         -Wmaybe-uninitialized warning.
14430 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14432         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
14433         against the constant 0.
14435 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14437         PR tree-optimization/68799
14438         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
14439         look up phi candidates in the statement-candidate map.
14440         (phi_add_costs): Likewise.
14441         (record_phi_increments): Likewise.
14442         (phi_incr_cost): Likewise.
14443         (ncd_with_phi): Likewise.
14444         (all_phi_incrs_profitable): Likewise.
14446 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
14448         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
14449         -Wmaybe-uninitialized warning.
14451 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
14453         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14454         (Option Summary): Update to reflect new section and moved options.
14455         (C++ Dialect Options): Move -fvtable-verify and related options.
14456         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
14457         and profiling-related options.
14458         (Optimization Options): Move profile generation options and
14459         -fstack-protector and related options.
14460         (Instrumentation Options): New section incorporating moved options.
14461         (Code Generation Options): Move -finstrument-functions and
14462         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
14464 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14466         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
14468 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14470         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
14472 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
14474         * hash-table.h (hash_table::empty): Turn into an inline wrapper
14475         that checks whether the table is already empty.  Rename the
14476         original implementation to...
14477         (hash_table::empty_slot): ...this new private function.
14479 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
14481         PR diagnostic/68899
14482         * diagnostic-show-locus.c (layout::print_source_line): Move x
14483         offset of line until after call to
14484         get_line_width_without_trailing_whitespace.
14486 2016-01-15  Jeff Law  <law@redhat.com>
14488         PR tree-optimization/69270
14489         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
14490         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
14491         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
14492         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
14493         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
14494         ssa_name_has_boolean_range and constant_boolean_node.
14496 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
14498         PR rtl-optimization/69030
14499         * lra-spills.c (remove_pseudos): Check nrefs and make the function
14500         returning bool.
14501         (spill_pseudos): Delete debug insn for dead pseudo.
14502         (lra_spill): Initiate spill_hard_reg and slots memory separately.
14504 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
14506         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
14507         New.
14508         (TYPES_UNOPUS): Likewise.
14509         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
14510         builtin type, from UNOP to UNOPUS.
14511         (lbtruncuv4sf): Likewise.
14512         (lbtruncuv2df): Likewise.
14513         (lrounduv2sf): Likewise.
14514         (lrounduv4sf): Likewise.
14515         (lrounduv2df): Likewise.
14516         (lroundusf): Likewise.
14517         (lroundusf): Likewise.
14518         (lceiluv2sf): Likewise.
14519         (lceiluv4sf): Likewise.
14520         (lceiluv2df): Likewise.
14521         (lceilusf): Likewise.
14522         (lceiludf): Likewise.
14523         (lflooruv2sf): Likewise.
14524         (lflooruv4sf): Likewise.
14525         (lflooruv2df): Likewise.
14526         (lfloorusf): Likewise.
14527         (lfloorudf): Likewise.
14528         (lfrintnuv2sf): Likewise.
14529         (lfrintnuv4sf): Likewise.
14530         (lfrintnuv2df): Likewise.
14531         (lfrintnusf): Likewise.
14532         (lfrintnudf): Likewise.
14533         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
14534         conversion.
14535         (vcvtq_u32_f32): Likewise.
14536         (vcvtq_u64_f64): Likewise.
14537         (vcvta_u32_f32): Likewise.
14538         (vcvtaq_u32_f32): Likewise.
14539         (vcvtaq_u64_f64): Likewise.
14540         (vcvtm_u32_f32): Likewise.
14541         (vcvtmq_u32_f32): Likewise.
14542         (vcvtmq_u64_f64): Likewise.
14543         (vcvtn_u32_f32): Likwise.
14544         (vcvtnq_u32_f32): Likewise.
14545         (vcvtnq_u64_f64): Likewise.
14546         (vcvtp_u32_f32): Likewise.
14547         (vcvtpq_u32_f32): Likewise.
14548         (vcvtpq_u64_f64): Likewise.
14549         (vcvtmd_u64_f64): Likewise.
14550         (vcvtms_u32_f32): Likewise.
14551         (vcvtad_u64_f64): Likewise.
14552         (vcvtas_u32_f32): Likewise.
14553         (vcvtnd_u64_f64): Likewise.
14554         (vcvtns_u32_f32): Likewise.
14555         (vcvtpd_u64_f64): Likewise.
14556         (vcvtps_u32_f32): Likewise.
14558 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14560         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
14561         CSEL of zero_extended registers.
14563 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14565         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
14566         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
14568 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14570         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
14571         false when argument string is not found in the attributes table
14572         at all.
14574 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
14576         PR target/68609
14577         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
14578         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
14579         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
14580         precision estimate.
14582 2016-01-15  Richard Biener  <rguenther@suse.de>
14584         PR tree-optimization/66856
14585         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
14586         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
14587         (vect_create_new_slp_node): Increment stmt reference count.
14588         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
14589         an SLP tree before swapping operands.
14590         (vect_build_slp_tree): Likewise.
14591         (destroy_bb_vec_info): Free stmt info after SLP instances.
14592         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
14593         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
14594         (STMT_VINFO_NUM_SLP_USES): New macro.
14596 2016-01-15  Richard Biener  <rguenther@suse.de>
14598         PR debug/69137
14599         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
14600         (add_linkage_name): ... here.
14601         (gen_typedef_die): Use add_linkage_name_raw instead of
14602         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
14603         if necessary.
14605 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
14607         * gimplify.c (oacc_default_clause): Decode reference and pointer
14608         types for both kernels and parallel regions.
14610 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
14612         PR middle-end/69246
14613         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
14615 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
14617         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
14618         (convert_scalars_to_vector): Likewise.
14620 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
14622         * doc/extend.texi (Type Traits): Fix grammar.
14624 2016-01-15  Martin Jambor  <mjambor@suse.cz>
14626         * tree-inline.c (remap_decl): Use existing dclarations if
14627         remapping a type and prevent_decl_creation_for_types.
14628         (replace_locals_stmt): Do an initial remapping of non-VLA typed
14629         decls first.  Do real remapping with
14630         prevent_decl_creation_for_types set.
14631         * tree-inline.h (copy_body_data): New field
14632         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
14633         padding.
14635 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
14637         * config/s390/s390.opt (mmvcle): More verbose help text.
14639 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
14641         * config/s390/s390.opt: Add period to -mzvector option text.
14643 2016-01-15  Richard Biener  <rguenther@suse.de>
14645         PR tree-optimization/68961
14646         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
14647         of invariants in stores again.
14649 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
14651         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
14653 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
14655         * config/i386/i386.c (ix86_expand_branch): Don't split
14656         DI mode xor instruction to SI mode.
14658 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
14660         PR ipa/68148
14661         * ipa-icf.c (sem_function::merge): Virtual functions may become
14662         reachable even if they address is not taken and there are no
14663         idrect calls.
14665 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
14667         * lto-streamer-out.c (subtract_estimated_size): New function.
14668         (get_symbol_initial_value): Use it.
14670 2016-01-15  Christian Bruel  <christian.bruel@st.com>
14672         PR target/65837
14673         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
14674         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
14675         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
14676         use add_builtin_function_ext_scope instead of add_builtin_function.
14677         (neon_set_p, neon_crypto_set_p): Remove.
14678         (arm_init_builtins): Always call arm_init_neon_builtins and
14679         arm_init_crypto_builtins.
14680         (arm_expand_builtin): Check that builtins are allowed for the arch.
14681         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
14682         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
14683         arm_init_neon_builtins call.
14685 2016-01-15  Richard Biener  <rguenther@suse.de>
14687         PR tree-optimization/69117
14688         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
14689         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
14690         of the leader conservatively.
14691         (free_scc_vn): Restore original SSA name infos.
14693 2016-01-14  Jeff Law  <law@redhat.com>
14695         PR tree-optimization/69270
14696         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
14697         single bit of precision, verify it's also unsigned.
14698         (record_edge_info): Use constant_boolean_node rather than fold_convert
14699         to convert boolean_true/boolean_false to the right type.
14701 2016-01-14  Richard Henderson  <rth@redhat.com>
14703         PR rtl-opt/69014
14704         * loop-doloop.c (record_reg_sets): New.
14705         (doloop_optimize): Reject the transform if the sequence
14706         clobbers registers live at the end of the loop block.
14707         (doloop_optimize_loops): Enable df_live if needed.
14709 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
14711         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
14712         * config/rs6000/rs6000.c: Likewise.
14713         * config/rs6000/rs6000.h: Likewise.
14714         * config/rs6000/rs6000.md: Likewise.
14715         * doc/extend.texi: Likewsie.
14717 2016-01-14  Jeff Law  <law@redhat.com>
14719         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
14720         typo.
14722 2016-01-14  Richard Henderson  <rth@redhat.com>
14724         PR c/69272
14725         PR tree-opt/68964
14726         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
14727         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
14728         instead of builtin_decl_declared_p to test for declaration.
14730 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
14732         * doc/loop.texi (Loop Analysis and Representation): Document
14733         loop_depth function.
14735 2016-01-14  Tom de Vries  <tom@codesourcery.com>
14737         PR tree-optimization/68773
14738         * omp-low.c (expand_omp_target): Don't set force_output.
14739         * varpool.c (varpool_node::get_create): Same.
14740         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
14741         offload_funcs with force_output.
14743 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
14745         PR debug/69244
14746         * lra-eliminations.c (move_plus_up): Don't change anything if either
14747         the outer or inner subreg mode is not MODE_INT.
14748         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
14749         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
14751 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
14753         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
14754         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
14755         reduc_uplus_@var{m}): Remove.
14756         * expr.c (expand_expr_real_2): Remove expansion path for
14757         reduc_[us](min|max|plus) optabs.
14758         * optabs-tree.c (scalar_reduc_to_vector): Remove.
14759         * optabs-tree.h (scalar_reduc_to_vector): Remove.
14760         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
14761         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
14762         * tree-vect-loop.c (vectorizable_reduction): Remove test for
14763         reduc_[us](min|max|plus) optabs.
14765 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
14767         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
14768         (reduc_plus_scal_v2sf): New.
14769         (reduc_smax_v2sf): Rename to...
14770         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
14771         (reduc_smin_v2sf): Rename to...
14772         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
14774 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
14776         * alias.c (compare_base_symbol_refs): New function.
14777         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
14778         it.
14780 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
14782         PR middle-end/68146
14783         PR tree-optimization/69155
14784         * tree-complex.c: Include cfganal.h.
14785         (phis_to_revisit): New variable.
14786         (extract_component): Add phiarg_p argument.  Assert that returned
14787         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
14788         (update_phi_components): Partly rewrite to use loop over real/imag
14789         components instead of code duplication.  If extract_component returns
14790         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
14791         create_tmp_reg into the PHI node instead, and mention the phi triplet
14792         in phis_to_revisit.
14793         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
14794         in phis_to_revisit at the end.
14796 2016-01-14  Richard Biener  <rguenther@suse.de>
14798         PR tree-optimization/68060
14799         * tree-vect-loop.c (vect_is_simple_reduction): Check the
14800         outer loop reduction is only used in the inner loop before
14801         detecting a double reduction.
14803 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
14805         PR target/68269
14806         * combine.c (expand_field_assignment): Punt if compute_mode is
14807         unsupported scalar mode.
14809 2016-01-14  Richard Biener  <rguenther@suse.de>
14811         PR tree-optimization/66856
14812         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
14813         SLP node only if it built successfully.
14814         (vect_analyze_slp_instance): Adjust.
14816 2016-01-14  Jeff Law  <law@redhat.com>
14818         PR tree-optimization/69270
14819         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
14820         (record_edge_info): Use it.  Convert boolean_{true,false}_node
14821         to the type of op0.
14823 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
14825         PR ipa/66487
14826         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
14827         use block_ultimate_origin
14828         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
14830 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
14832         * doc/invoke.texi (Submodel Options): Rename section to
14833         "Machine-Dependent Options" to better reflect its content.
14834         Rewrite introductory text to remove archaic CPU names.
14835         Update references.
14837 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
14839         * doc/invoke.texi (Code Gen Options): Move section up in file,
14840         before target-specific options.  Update menu and option summary
14841         to reflect the new section ordering.
14843 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
14845         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
14846         (C++ Dialect Options): Add cross-reference to -std option.
14847         * doc/standards.texi (C++ Language): Document C++14 support.
14849 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
14851         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
14852         for pack/unpack functions for __ibm128.
14853         (PACK_IF): Likewise.
14854         (UNPACK_IF): Likewise.
14856         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
14857         support for __ibm128 pack/unpack functions.
14858         (rs6000_invalid_builtin): Likewise.
14859         (rs6000_init_builtins): Likewise.
14860         (rs6000_opt_masks): Likewise.
14862         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
14863         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
14864         functions
14865         (RS6000_BTM_COMMON): Likewise.
14867         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
14868         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
14869         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
14870         128-bit floating point.  Add support for the double values to be
14871         in Altivec registers for TF/IF packing and unpacking, but restrict
14872         TD packing sub-fields to be FPR registers.  Don't allow overlapped
14873         register support for packing.  Allow pack inputs to be memory
14874         locations.  Don't build generator functions for unpack<mode>_dm
14875         and unpack<mode>_nodm.
14876         (unpack<mode>_dm): Likewise.
14877         (unpack<mode>_nodm): Likewise.
14878         (pack<mode>): Likewise.
14880         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
14881         built-in functions to pack/unpack explicit __ibm128 values.
14882         (__builtin_unpack_ibm128): Likewise.
14884         * doc/extend.texi (PowerPC Built-in Functions): Document
14885         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
14887 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
14889         PR c/66208
14890         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
14891         Add new arg loc and pass it down as context.
14892         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
14893         to the location to use for the warning.
14894         (check_function_arguments): New arg loc.  All callers changed.  Pass
14895         it to check_function_nonnull.
14896         * c-common.h (check_function_arguments): Adjust declaration.
14898 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
14900         PR tree-optimization/69156
14901         * gimple.c (validate_type): Removed.
14902         (gimple_builtin_call_types_compatible_p): Use
14903         useless_type_conversion_p instead of validate_type.
14904         * value-prof.c (gimple_stringop_fixed_value): Fold
14905         icall_size to correct type.
14907 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
14909         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
14910         effects.
14912 2016-01-13  Richard Henderson  <rth@redhat.com>
14914         PR tree-opt/68964
14915         * target.def (builtin_tm_load, builtin_tm_store): Remove.
14916         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
14917         (ix86_builtin_tm_store): Remove.
14918         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
14919         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
14920         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
14921         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
14922         * doc/tm.texi: Rebuild.
14924         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
14925         (BUILT_IN_TM_MEMCPY_RTWN): New.
14926         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
14927         fallback from vector to integer helpers.
14928         (build_tm_load): Handle vector types directly, instead of
14929         via target hook.
14930         (build_tm_store): Likewise.
14931         (expand_assign_tm): Prepare for register types not handled by
14932         the above.  Copy them to memory and use memcpy.
14933         * tree.c (tm_define_builtin): New.
14934         (find_tm_vector_type): New.
14935         (build_tm_vector_builtins): New.
14936         (build_common_builtin_nodes): Call it.
14938 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
14940         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
14941         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
14943 2016-01-13  Tom de Vries  <tom@codesourcery.com>
14945         PR tree-optimization/69169
14946         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
14947         handled_struct_type param.
14948         (create_variable_info_for, intra_create_variable_infos): Call
14949         create_variable_info_for_1 with extra arg.
14951 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
14953         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
14954         and "armv8.1-a+crc" entries.
14956 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
14958         PR target/69228
14959         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
14960         Change first operand predicate from register_or_constm1_operand
14961         to register_operand.
14962         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
14963         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
14964         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
14965         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
14966         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
14967         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
14968         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
14969         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
14970         comparison with constm1_rtx from vec_prefetch_gen part.
14972 2016-01-13  Richard Biener  <rguenther@suse.de>
14974         PR tree-optimization/69013
14975         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
14976         Exchange assert for a test.
14978 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14980         PR target/69247
14981         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
14983 2016-01-13  Richard Biener  <rguenther@suse.de>
14985         PR tree-optimization/69242
14986         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
14987         assert with a check.
14989 2016-01-13  Richard Biener  <rguenther@suse.de>
14991         PR tree-optimization/69186
14992         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
14993         Properly guard vect_update_misalignment_for_peel call.
14995 2016-01-12  Jeff Law  <law@redhat.com>
14997         PR tree-optimization/pr67755
14998         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
14999         "need_profile_correction".
15000         (thread_block_1): Initialize new field to false by default.  If we
15001         have multiple thread paths through a common joiner to different
15002         final targets, then set new field to true.
15003         (compute_path_counts): Only do count adjustment when it's really
15004         needed.
15006 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15008         * doc/invoke.texi (Spec Files): Move section down in file, past
15009         all command-line option descriptions.
15011 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15013         PR middle-end/54809
15014         * doc/gty.texi: Remove documentation of mark_hook.
15015         * gengtype.c (struct write_types_data): Remove code to support
15016         mark_hook attribute.
15017         (walk_type): Likewise.
15018         (write_func_for_structure): Likewise.
15020 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15022         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15023         Directory Options, and -specs= to Overall Options.
15024         (Overall Options): Adjust similarly.  Reorder to group related
15025         options together.  Make -specs= cross-reference the spec file details.
15026         (Directory Options): Adjust similarly.
15028 2016-01-12  Jeff Law  <law@redhat.com>
15030         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15032 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15034         * gcc.c (spec_undefvar_allowed): New global.
15035         (process_command): Set to true when running for --version or --help,
15036         alone or together.
15037         (getenv_spec_function): When the variable is not defined, use the
15038         variable name as the variable value if we're allowed not to issue
15039         a fatal error.
15041 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15043         PR tree-optimization/68911
15044         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15045         information computed for expression "init + nit * step".
15047 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15049         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15050         about name of GCC executable.  Remove deleted node from menu.
15051         (Directory Options) <-B>: Remove cross-reference to deleted node.
15052         (Target Options): Delete section.
15054 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15056         PR target/69180
15057         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15058         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15060 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15062         PR target/69198
15063         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15064         aligned_mem is properly set for AVX512-VL floating point masked
15065         stores.
15067         PR target/69175
15068         * ifcvt.c (cond_exec_process_if_block): When removing the last
15069         insn from then_bb, remove also any possible barriers that follow it.
15071 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
15073         PR target/68456
15074         PR target/69226
15075         * config/i386/iamcu.h (SIZE_TYPE): New macro.
15076         (PTRDIFF_TYPE): Likewise.
15077         (WCHAR_TYPE): Likewise.
15078         (WCHAR_TYPE_SIZE): Likewise.
15079         (STDINT_LONG32): Likewise.
15081 2016-01-12  Richard Biener  <rguenther@suse.de>
15083         PR tree-optimization/69053
15084         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
15085         convert initial value for cond reductions.
15087 2016-01-12  Richard Biener  <rguenther@suse.de>
15089         PR tree-optimization/69007
15090         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
15091         widen_sum after dot_prod and sad.
15093 2016-01-12  Richard Biener  <rguenther@suse.de>
15095         PR tree-optimization/69168
15096         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
15097         pattern stmt SLP type.
15098         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
15099         end up unused so cope with that case.
15101 2016-01-12  Richard Biener  <rguenther@suse.de>
15103         PR tree-optimization/69157
15104         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
15105         stmts def type only during analyze phase.
15106         (vectorizable_call): Likewise.
15107         (vectorizable_simd_clone_call): Likewise.
15108         (vectorizable_conversion): Likewise.
15109         (vectorizable_assignment): Likewise.
15110         (vectorizable_shift): Likewise.
15111         (vectorizable_operation): Likewise.
15112         (vectorizable_store): Likewise.
15113         (vectorizable_load): Likewise.
15115 2016-01-12  Richard Biener  <rguenther@suse.de>
15117         PR tree-optimization/69174
15118         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
15119         space.
15120         (vectorizable_load): Properly compute the number of loads needed
15121         for permuted strided SLP loads and do not spuriously assign
15122         to SLP_TREE_VEC_STMTS.
15124 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
15126         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
15127         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
15128         (MD_EXEC_PREFIX): Remove.
15129         (MD_STARTFILE_PREFIX) Removee.
15130         (FILE_NAME_ABSOLUTE_P): Remove.
15131         (CPP_SPEC): Do not read macros from sys/version.h.
15132         (LINK_COMMAND_SPEC): Remove.
15133         (LOCAL_INCLUDE_DIR): Remove.
15134         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
15135         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
15136         (POST_LINK_SPEC): Define to invoke stubify after linker
15137         (LIBSTDCXX): Remove define
15138         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
15139         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
15140         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
15141         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
15142         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
15143         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
15144         (i386_djgpp_asm_named_section): Add propotype of new procedure
15146         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
15147         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
15148         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
15149         in config/i386/djgpp.h).
15150         (STANDARD_STARTFILE_PREFIX_2): Define identical to
15151         STANDARD_STARTFILE_PREFIX_1.
15152         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
15153         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
15154         installation errors.
15155         (MAX_OFILE_ALIGNMENT): Define to 128.
15156         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
15158         * config/i386/djgpp.c: New file. Add implementation of
15159         i386_djgpp_asm_named_section.
15161         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
15163         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
15164         Add rule for building djgpp.o.
15166 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15168         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
15169         (rtx_is_swappable_p): Reductions are swappable.
15170         (insn_is_swappable_p): V2DF reductions are swappable.
15172 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
15174         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
15175         reloads for other unsupported memory operands.
15177 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15178             Jim Wilson  <jim.wilson@linaro.org>
15180         PR target/69194
15181         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
15182         copy_to_mode_reg instead of force_reg.
15184 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15186         PR target/69225
15187         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
15188         TARGET_80387 is true.
15190 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
15192         PR target/69071
15193         * lra-eliminations.c (move_plus_up): Only move plus up
15194         if subreg of the constant can be simplified into constant
15195         and use the simplified subreg of the constant instead of
15196         the original constant.
15198         * fold-const.c (fold_convertible_p): Don't return true
15199         for conversion of VECTOR_TYPE to same sized integral type.
15200         (fold_convert_loc): Fix up formatting.  Fold conversion of
15201         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
15202         instead of NOP_EXPR.
15204         PR tree-optimization/69214
15205         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
15206         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
15207         Formatting fix.
15209         PR tree-optimization/69207
15210         * tree-vect-slp.c (vect_get_constant_vectors): For
15211         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
15212         fold_convertible_p to vector_type's element type, and always
15213         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
15215 2016-01-11  Richard Biener  <rguenther@suse.de>
15217         PR tree-optimization/69173
15218         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
15219         fixup the cycle if all stmts are in a pattern.
15221 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
15223         PR middle-end/68999
15224         * alias.c (base_alias_check): Move check for addresses with
15225         alignment ANDs before the call for compare_base_decls.
15226         (memrefs_conflict_p): Return -1 for different decls
15227         that went through alignment adjustments.
15229 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15231         PR rtl-optimization/68796
15232         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
15233         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
15234         and QImode comparisons against zero with CC_NZmode.
15235         * config/aarch64/iterators.md (short_mask): New mode_attr.
15237 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15239         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
15240         (<avx512>_store<mode>_mask): Likewise.
15242 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
15243             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15245         PR rtl-optimization/68841
15246         * ifcvt.c (struct noce_if_info): Add orig_x field.
15247         (bbs_ok_for_cmove_arith): Add to_rename parameter.
15248         Don't record conflicts on to_rename if it's present.
15249         Allow memory destinations in sets.
15250         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
15251         blocks, passing orig_x to the checks.
15252         (noce_process_if_block): Set if_info->orig_x appropriately.
15254 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15256         PR tree-optimization/69069
15257         * tree-parloops.c (create_parallel_loop): Add missing phi args.
15259 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
15261         PR rtl-optimization/68920
15262         * config/i386/i386.c (ix86_option_override_internal): Restrict number
15263         of conditional moves for  RTL if-conversion to 1 for
15264         TARGET_ONE_IF_CONV_INSN.
15265         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
15266         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
15267         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
15268         parameter to restirct number of conditional moves for
15269         RTL if-conversion.
15270         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
15271         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
15272         conditionl moves.
15274 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
15276         PR bootstrap/69123
15277         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
15278         onepart vars.  Fix typo in comment.  Fix reversed condition in
15279         unshare test.
15280         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
15282         PR bootstrap/69123
15283         * var-tracking.c (dump_onepart_variable_differences): New.
15284         (dataflow_set_different): If a detailed dump is requested,
15285         delay early returns and dump differences between onepart
15286         variables present before and after, and added variables.
15288 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
15290         PR target/69010
15291         * expr.c (expand_expr_real_1): For boolean vector constants
15292         with a scalar mode use const_scalar_mask_from_tree.
15293         (const_scalar_mask_from_tree): New.
15294         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
15295         assigned to a mask type to handle constants.
15297 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15299         PR ipa/69044
15300         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
15301         useless parameters if we cannot change function signature.
15303 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15305         PR ipa/66616
15306         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
15307         flag.
15309 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15311         PR tree-optimization/69109
15312         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
15313         latch with phi.
15315 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15317         PR tree-optimization/69108
15318         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
15319         res is not used in a phi.
15321 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
15323         PR 67425
15324         * common.opt (frandom-seed): Fix parameter name.
15325         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
15327 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15329         PR tree-optimization/69058
15330         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
15331         not supported.
15333 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
15335         * config/arc/arc.opt (mdiv-rem): Add period to the end.
15336         (mcode-density): Likewise.
15338 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15340         PR tree-optimization/69062
15341         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
15342         (parallelize_loops): Don't paralelize loop that has phi with address
15343         arg.
15345 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15347         PR tree-optimization/69039
15348         * tree-parloops.c (try_create_reduction_list): Only allow single exit
15349         phi for reduction.
15351 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
15353         PR middle-end/68743
15354         * match.pd: Require target has function_c99_misc before doing
15355         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
15357 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
15359         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
15360         use GMPINC.
15361         * configure: Regenerate.
15363 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
15365         PR middle-end/50865
15366         PR tree-optimization/69097
15367         * fold-const.h (expr_not_equal_to): New prototype.
15368         * fold-const.c: Include stringpool.h and tree-ssanames.h.
15369         (expr_not_equal_to): New function.
15370         * match.pd (X % -Y is the same as X % Y): Don't optimize
15371         unless X is known not to be equal to minimum or Y is known
15372         not to be equal to -1.
15373         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
15374         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
15375         (simplify_stmt_using_ranges): Adjust caller.
15376         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
15377         substitute_and_fold.
15379 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
15381         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
15382         w/o DECL_NAME.
15384 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15386         PR tree-optimization/69167
15387         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
15388         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
15389         ops[0] comparison.
15390         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
15392 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15393             Richard Biener  <rguenther@suse.de>
15395         PR tree-optimization/68707
15396         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
15397         instances that can be handled via vect_load_lanes.
15399 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
15401         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
15402         if we can't determine address equivalence.
15403         * alias.c (compare_base_decl): Update for changed return value of
15404         symtab_node::equal_address_to.
15406 2016-01-08  Jason Merrill  <jason@redhat.com>
15408         PR c++/68983
15409         PR c++/67557
15410         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
15411         * expr.c (store_field): Not here.
15412         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
15413         call with TREE_ADDRESSABLE type.
15414         * tree-cfg.c (verify_gimple_call): Adjust.
15416 2016-01-08  Olivier Hainque  <hainque@adacore.com>
15418         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
15419         libc_internal.
15421 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15423         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
15424         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
15425         (reduc_smin_v2sf): Rename to...
15426         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
15427         (reduc_splus_v2sf): Rename to...
15428         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
15430 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15432         PR tree-optimization/69162
15433         * gimplify.c (gimplify_va_arg_expr): Encode original type of
15434         valist argument in another argument.
15435         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
15436         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
15437         to determine the va_list type, build a MEM_REF instead of
15438         build_fold_indirect_ref.
15440         PR tree-optimization/69172
15441         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
15442         gimple_build.
15444 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15446         PR tree-optimization/67781
15447         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
15448         and cmpnop in two steps: first the ones not accessed in original
15449         gimple expression in a endian independent way and then the ones not
15450         accessed in the final result in an endian-specific way.
15452 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15454         PR tree-optimization/69083
15455         * tree-vect-slp.c (vect_get_constant_vectors): For
15456         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
15457         element type.  If op is fold_convertible_p to vector_type's element
15458         type, use NOP_EXPR instead of VCE.
15460 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
15462         PR rtl-optimization/67778
15463         PR rtl-optimization/68634
15464         PR rtl-optimization/68909
15465         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
15466         block from the stack until done with it.  Remove a superfluous
15467         bitmap set.  Remove a superfluous bitmap test.
15469 2016-01-07  Martin Sebor  <msebor@redhat.com>
15471         PR c/68966
15472         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
15473         constraint on the type of arguments.
15475 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
15477         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
15478         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
15479         unaligned_access on the gcc_options set.
15480         * config/arm/arm.c (arm_option_override_internal): Use
15481         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
15483 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15485         PR target/69140
15486         * config/i386/i386.c (ix86_frame_pointer_required): Enable
15487         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
15489 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15491         Revert
15492         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
15494         PR target/69140
15495         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15496         depending on frame_pointer_needed before remaining integer and SSE
15497         registers are saved.
15499 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
15501         PR 1078
15502         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
15504 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
15506         PR target/69171
15507         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
15508         Use the "xBm" constraint.
15509         (float<sseintvecmodelower><mode>2<mask_name><round_name):
15510         Likewise.
15511         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
15512         (sse_cvtsi2ssq<round_name>): Likewise.
15513         (sse_cvtss2si<round_name>): Likewise.
15514         (sse_cvtss2siq<round_name>): Likewise.
15515         (sse2_cvtsi2sdq<round_name>): Likewise.
15516         (sse2_cvtsd2si<round_name>): Likewise.
15517         (sse2_cvtsd2siq<round_name>): Likewise.
15518         * config/i386/subst.md (round_nimm_scalar_predicate): New
15519         predicate.
15521 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
15523         PR middle-end/67639
15524         * varasm.c (make_decl_rtl): Mark invalid register vars as
15525         DECL_EXTERNAL.
15527         PR rtl-optimization/66206
15528         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
15529         All callers changed.
15531 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
15533         PR tree-optimization/69141
15534         * tree-ssa-pre.c: Include langhooks.h.
15535         (eliminate_dom_walker::before_dom_children): Use
15536         lang_hooks.decl_printable_name instead of
15537         cgraph_node::get ()->name ().
15539         PR middle-end/68960
15540         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
15541         it and DECL_ALIGN too.
15543 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
15545         * config/mips/mips-ftypes.def: Sort to lexicographical order.
15547 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
15549         PR target/69140
15550         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15551         depending on frame_pointer_needed before remaining integer and SSE
15552         registers are saved.
15554 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15556         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
15557         mode iterator with VSX_M2.
15558         (*p9_vecstore_<mode>): Likewise.
15559         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
15560         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
15561         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
15562         (define_split for VSX_LE128 stores): Likewise.
15563         (define_peephole2 for TImode LE swaps): Likewise.
15564         (define_split for VSX_LE128 post-reload stores): Likewise.
15566 2016-01-06  Marek Polacek  <polacek@redhat.com>
15568         PR sanitizer/69099
15569         * convert.c (convert_to_integer_1): Adjust call to
15570         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
15571         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
15572         EXPR instead of ARG.
15573         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
15575 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15577         PR 1078
15578         * doc/extend.texi (RL78 Variable Attributes): New section.
15580 2016-01-05  Marek Polacek  <polacek@redhat.com>
15582         PR c/69104
15583         * builtins.c (get_memmodel): Use expansion point location rather than
15584         the input location.  Call warning_at rather than warning.
15585         (expand_builtin_atomic_compare_exchange): Likewise.
15586         (expand_builtin_atomic_load): Likewise.
15587         (expand_builtin_atomic_store): Likewise.
15588         (expand_builtin_atomic_clear): Likewise.
15590 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
15592         PR target/68991
15593         * config/i386/i386.c (ix86_expand_vector_logical_operator):
15594         Replace nonimmediate_operand with vector_operand.
15595         * config/i386/predicates.md (vector_operand): New predicate.
15596         (general_vector_operand): Replace nonimmediate_operand with
15597         vector_operand.
15598         * config/i386/sse.md: Replace nonimmediate_operand with
15599         vector_operand and m constraint with Bm constraint on SSE
15600         patterns with 16-byte memory operand.
15601         * config/i386/subst.md (round_nimm_predicate): Replace
15602         nonimmediate_operand with vector_operand.
15603         (round_saeonly_nimm_predicate): Likewise.
15604         (round_saeonly_nimm_scalar_predicate): New.
15606 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
15608         PR target/68991
15609         * config/i386/constraints.md (Bm): New constraint.
15610         * config/i386/predicates.md (vector_memory_operand): New
15611         predicate.
15612         * config/i386/sse.md: Replace xm with xBm in plusminus and
15613         any_logic patterns.
15615 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15617         PR 1078
15618         * doc/extend.texi (V850 Function Attributes): New section.
15619         (V850 Variable Attributes): New section.
15621 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15623         PR 1078
15624         * doc/extend.texi (MicroBlaze Function Attributes): Document
15625         interrupt_handler and fast_interrupt attributes.
15627 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
15629         PR other/60465
15630         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
15631         for local symbolic operands.
15632         * config/ia64/predicates.md (local_symbolic_operand64): New
15633         predicate.
15635 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15637         PR rtl-optimization/68651
15638         * combine.c (combine_simplify_rtx): Canonicalize x + x into
15639         x << 1.
15641 2016-01-05  Nathan Sidwell  <nathan@acm.org>
15643         * alias.c (compare_base_decls): Use symtab_node::get.
15645 2016-01-05  Nick Clifton  <nickc@redhat.com>
15647         PR target/68770
15648         * ira-costs.c (copy_cost): Initialise the t_icode field of the
15649         secondary_reload_info structure.
15651         PR target/66655
15652         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
15653         decls if weak support is available.
15655 2016-01-04  Martin Sebor  <msebor@redhat.com>
15657         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
15659 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
15661         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
15662         OPTION_MASK_P9_DFORM.
15664         * config/rs6000/constraints.md (wo constraint): New constraint for
15665         ISA 3.0 (power9).
15667         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
15668         for wo constraint.
15669         (rs6000_init_hard_regno_mode_ok): Likewise.
15671         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
15672         wo constraint.
15674         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
15675         expanders not to have constraints.  Add support for ISA 3.0 xxperm
15676         instruction.  Add support for fusing xxlor with xxperm.
15677         (altivec_vperm_<mode>_internal): Likewise.
15678         (altivec_vperm_v8hiv16qi): Likewise.
15679         (altivec_vperm_<mode>v16q): Likewise.
15680         (altivec_vperm_<mode>_uns): Likewise.
15681         (vperm_v8hiv4si): Likewise.
15682         (vperm_v16qiv8hi): Likewise.
15684         * doc/md.texi (RS/6000 constraints): Document wo constraint.
15686 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
15688         Update copyright years.
15690         * gcc.c (process_command): Update copyright notice dates.
15691         * gcov-dump.c (print_version): Ditto.
15692         * gcov.c (print_version): Ditto.
15693         * gcov-tool.c (print_version): Ditto.
15694         * gengtype.c (create_file): Ditto.
15695         * doc/cpp.texi: Bump @copying's copyright year.
15696         * doc/cppinternals.texi: Ditto.
15697         * doc/gcc.texi: Ditto.
15698         * doc/gccint.texi: Ditto.
15699         * doc/gcov.texi: Ditto.
15700         * doc/install.texi: Ditto.
15701         * doc/invoke.texi: Ditto.
15703 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
15705         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
15706         modes larger than TImode as TImode if NEON is not enabled.
15708 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
15710         PR target/69100
15711         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
15712         mode for %f0-%f31 only if TARGET_FPU.
15714 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
15716         PR target/69072
15717         * config/sparc/sparc.c (scan_record_type): Take into account subfields
15718         to compute the PACKED_P predicate.
15719         (function_arg_record_value): Minor tweaks.
15721 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15723         * doc/install.texi (--with-multilib-list): Describe the meaning of the
15724         option for arm*-*-* targets.
15726 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
15728         * doc/extend.texi (Common Function Attributes): Move docs for
15729         MSP430-specific attributes to....
15730         (MSP430 Function Attributes): ...here.  Delete the redundant
15731         entries and copy-edit the remaining text.
15732         (MSP430 Variable Attributes): Use uniform format for index
15733         entries and add a cross-reference to the corresponding function
15734         attribute docs.
15736 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
15738         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
15739         -finite-math typo.
15740         (x86 Options): Likewise.
15742 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
15744         PR 1078
15746         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
15747         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
15748         to corresponding attribute.
15750 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
15752         * doc/extend.texi (Common Function Attributes) <noplt>: Move
15753         to correct alphabetization of table.  Copy-edit and correct
15754         markup.
15755         <stack_protect>: Likewise.
15756         <target_clones>: Likewise.
15757         <simd>: Likewise.
15758         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
15759         Correct punctuation.
15760         (Code Gen Options) <-fno-plt>: Copy-edit.
15762 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15764         PR target/68917
15765         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
15766         SI values.  Explicitly convert SI to DI and vice-versa.
15768 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
15770         PR tree-optimization/69070
15771         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
15772         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
15774         PR sanitizer/69055
15775         * ubsan.c (ubsan_instrument_float_cast): Call
15776         initialize_sanitizer_builtins.
15778         PR target/69015
15779         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
15781 Copyright (C) 2016 Free Software Foundation, Inc.
15783 Copying and distribution of this file, with or without modification,
15784 are permitted in any medium without royalty provided the copyright
15785 notice and this notice are preserved.