remove support for targeting openbsd 2 or 3
[official-gcc.git] / gcc / ChangeLog
blob228f08a1f53b9991b0f8de7db51b221da1ea97d5
1 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3         * config.gcc: Remove support for openbsd 2 and 3.
4         * config/openbsd-oldgas.h: Remove.
6 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8         * config.gcc: Remove interix support.
9         * config/i386/i386-interix.h: Remove.
10         * config/i386/interix.opt: Remove.
11         * config/i386/t-interix: Remove.
12         * configure: Regenerate.
13         * configure.ac: Remove interix support.
14         * doc/install.texi: Remove interix documentation.
16 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18         * config/rs6000/rs6000.h: Add conditional preprocessing directives
19         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
20         not defined.
22 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
24         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
25         they are both PLACEHOLDER_EXPRs.
27 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
29         * stor-layout.c (layout_type): Move setting complex MODE to
30         layout_type, instead of setting it ahead of time by the caller.
31         * tree.c (build_complex_type): Likewise.
33 2016-06-21  Martin Liska  <mliska@suse.cz>
35         * predict.c (force_edge_cold): Replace imposisble with
36         impossible.
38 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
40         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
41         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
43 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
45         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
47 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
48             Ilya Enkovich  <ilya.enkovich@intel.com>
50         PR target/71549
51         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
52         New member function to convert V1TImode register to SUBREG
53         TImode in debug insn.
54         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
55         after changing register mode to V1TImode.
57 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
59         * config/aarch64/aarch64-cores.def (vulcan): New core.
60         * config/aarch64/aarch64-tune.md: Regenerate.
61         * doc/invoke.texi: Document vulcan as an available option.
63 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
65         * cse.c (canon_asm_operands): New function extracted from...
66         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
67         either standalone or member of a PARALLEL.
69 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
71         PR target/30417
72         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
73         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
74         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
76 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
78         PR target/71103
79         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
80         constant addresses if can_create_pseudo_p.
82 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
84         PR tree-optimization/71588
85         * tree-ssa-strlen.c (valid_builtin_call): New function.
86         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
87         it.
89 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
91         PR middle-end/71581
92         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
93         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
94         for conversion of scalar user var to complex type and use the
95         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
96         punt.
98         PR rtl-optimization/71591
99         * toplev.c (toplev::run_self_tests): If no_backend, complain and
100         don't run any tests.
102 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
104         PR target/71571
105         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
106         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
107         space for PIC with non-v32 and the common non-PIC "jump".
109 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
111         PR target/71559
112         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
113         returned values and add UN*/LTGT/*ORDERED cases with values matching
114         D operand modifier on vcmp for AVX.
116 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
118         * config/aarch64/aarch64.opt
119         (mpc-relative-literal-loads): Rename internal option name.
120         * config/aarch64/aarch64.c
121         (aarch64_nopcrelative_literal_loads): Rename to
122         aarch64_pcrelative_literal_loads.
123         (aarch64_expand_mov_immediate): Likewise.
124         (aarch64_secondary_reload): Likewise.
125         (aarch64_can_use_per_function_literal_pools_p): Likewise.
126         (aarch64_override_options_after_change_1): Rename and simplify logic.
127         (aarch64_classify_symbol): Merge large model checks into switch,
128         remove pc-relative load check.
130 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
132         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
133         costs relative to the cost of a register move.
135 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
137         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
138         (vcvt_n_f64_u64): Likewise.
139         (vcvt_n_s64_f64): Likewise.
140         (vcvt_n_u64_f64): Likewise.
141         (vcvt_f64_s64): Likewise.
142         (vrecpe_f64): Likewise.
143         (vcvt_f64_u64): Likewise.
144         (vrecps_f64): Likewise.
146 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
148         * config/aarch64/aarch64.md
149         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
150         iterators.
151         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
152         attributes.
153         * config/aarch64/aarch64-builtins.c
154         (aarch64_types_binop_uss_qualifiers): Delete.
155         (TYPES_BINOP_USS): Likewise.
156         (aarch64_types_binop_sus_qualifiers): Likewise.
157         (TYPES_BINOP_SUS): Likewise.
158         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
159         (TYPES_FCVTIMM_SUS): Likewise.
160         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
161         rather than BINOP.
162         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
163         (fcvtzs): Use SHIFTIMM rather than BINOP.
164         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
166 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
168         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
169         costs relative to the cost of a register move.
171 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
173         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
174         Allow scalar/single vector modes to be tieable.
176 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
178         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
180 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
182         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
183         "alignement".
184         * tree.h (TYPE_ALIGN): Likewise.
186 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
188         PR target/71103
189         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
191 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
193         * config/avr/avr.c (avr_print_operand): Fix "format not a string
194         literal" build warnings.
195         (avr_print_operand_address): Dito.
197 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
199         PR target/71375
200         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
201         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
203 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
205         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
207 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
209         PR bootstrap/71435
210         * reload1.c (reload): Pass 0 to finish_spills when called because
211         update_eliminables_and_spill returns true and remove did_spill.
212         (finish_spills): Adjust comment and document GLOBAL parameter.
214 2016-06-17  DJ Delorie  <dj@redhat.com>
216         PR target/71338
217         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
218         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
219         (umulqihi3_virt): Likewise.
220         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
221         (umulqihi3_real): Likewise.
223 2016-06-17  Martin Liska  <mliska@suse.cz>
225         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
227 2016-06-17  Martin Liska  <mliska@suse.cz>
229         * predict.def: PRED_LOOP_EXIT from 92 to 85.
231 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
233         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
234         __FAST_MATH__.
235         (vaddq_f32): Likewise.
236         (vmul_f32): Likewise.
237         (vmulq_f32): Likewise.
238         (vsub_f32): Likewise.
239         (vsubq_f32): Likewise.
241 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
243         PR tree-optimization/71347
244         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
245         cost for all uses in group.
247 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
249         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
250         insert gimple seq if it's not empty.
252 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
254         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
255         member OFFSET.
256         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
257         rather than OFFSET.
258         (comp_dr_with_seg_len_pair): Ditto.
259         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
260         struct dr_with_seg_len_pair against DR_OFFSET.
261         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
262         DR_OFFSET directly.
264 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
266         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
268 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
270         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
271         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
272         (pa_output_millicode_call): Likewise.
273         (pa_output_call): Likewise.
274         (pa_output_indirect_call): Likewise.
275         (pa_asm_output_mi_thunk): Likewise.
277 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
279         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
281 2016-06-16  Martin Liska  <mliska@suse.cz>
283         * predict.c (combine_predictions_for_insn): When we find a first
284         match predictor, we should consider just predictors with
285         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
286         DS theory predictor.
287         (combine_predictions_for_bb): Likewise.
289 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
291         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
292         with base of reference to struct.
294 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
296         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
298 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
300         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
301         progmem_swtable_section.
302         (progmem_swtable_section): Remove.
303         (avr_asm_function_rodata_section): Remove.
304         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
305         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
307 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
309         * config/i386/driver-i386.c (host_detect_local_cpu): Set
310         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
311         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
312         signature_CENTAUR_ebx.
313         * config/i386/i386.c (ix86_option_override_internal): Add
314         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
315         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
316         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
318 2016-06-16  Martin Liska  <mliska@suse.cz>
320         * predict.def: Add fortran loop preheader predictor.
321         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
322         fold IFN_BUILTIN_EXPECT with a known constant argument.
324 2016-06-16  Martin Liska  <mliska@suse.cz>
326         * predict.def: Add 'Fortran' to display text of all
327         PRED_FORTRAN_* predictors.
329 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
331         PR target/71242
332         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
333         [IA64_BUILTIN_NANSQ]: Ditto.
334         (ia64_fold_builtin): New function.
335         (TARGET_FOLD_BUILTIN): New define.
336         (ia64_init_builtins) Declare const_string_type node.
337         Add __builtin_nanq and __builtin_nansq builtin functions.
338         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
340 2016-06-16  Nick Clifton  <nickc@redhat.com>
342         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
343         MSP430_HWMULT_ prefix to enum values.
344         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
345         * config/msp430/msp430.c: Update use of enum values.
346         * config/msp430/msp430.md: Likewise.
347         * config/msp430/msp430.opt: Likewise.
349 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
351         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
352         of comparsions in the last iteration.
354 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
355             Joern Rennecke  <joern.rennecke@embecosm.com>
357         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
358         addresses.
359         (arc_needs_pcl_p): Add GOTOFFPC.
360         (arc_legitimate_pic_addr_p): Likewise.
361         (arc_output_pic_addr_const): Likewise.
362         (arc_legitimize_pic_address): Generate a pc-relative address using
363         GOTOFFPC.
364         (arc_output_libcall): Use @pcl syntax.
365         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
366         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
367         (*movsi_insn): Use @pcl syntax.
368         (doloop_begin_i): Likewise.
370 2016-06-16  Martin Liska  <mliska@suse.cz>
372         * predict.def: Define a new predictor.
374 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
376         * config/arc/arc.opt (mtp-regno): Update text.
378 2016-06-16  Renlin Li  <renlin.li@arm.com>
380         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
382 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
384         PR target/71554
385         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
386         (setcc + and peephole2): Likewise.
388         PR rtl-optimization/71532
389         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
390         memory slots.
392 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
394         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
395         DImode constants with XXSPLTIB in vector registers.
396         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
397         vsx_extract_<mode>_internal{1,2} into a single insn that handles
398         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
399         extraction of the element at the top of the register as a scalar
400         value.
401         (vsx_extract_<mode>_internal1): Likewise.
402         (vsx_extract_<mode>_internal2): Likewise.
403         * config/rs6000/constraints.md (wi constraint): Remove a comment
404         about DImode not being allowed in Altivec registers.
405         (wB constraint): New constraint for constants that can be
406         generated in Altivec registers with VSPLTISW/VUPKHSW.
407         * config/rs6000/predicates.md (xxspltib_constant_split): Update
408         comments.
409         (xxspltib_constant_nosplit): Likewise.
410         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
411         support for -mupper-regs-di to enable DImode to go into Altivec
412         registers.
413         (POWERPC_MASKS): Likewise.
414         (power7 cpu): Likewise.
415         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
416         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
417         for DImode being allowed in Altivec registers.  Update wi/wj
418         constraints.  Set scalar_in_vmx_p flag.
419         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
420         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
421         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
422         (rs6000_opt_masks): Add -mupper-regs-di.
423         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
424         direct move to use wi and not wj.
425         (lfiwzx): Likewise.
426         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
427         alternative.
428         (floatunssi<mode>2_lfiwzx_mem): Likewise.
429         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
430         any VSX register, instead of just Altivec registers, to allow
431         either operand to be an Altivec register or both.
432         (fixuns_trunc<mode>di2_fctiduz): Likewise.
433         (movdi_internal32): Add support for -mupper-regs-di.  Add support
434         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
435         the alternatives and attributes to be lined up to be easier to
436         read.
437         (movdi_internal64): Likewise.
438         (64-bit DImode splitters): Change predicates to only split loading
439         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
440         load constants in ISA 3.0 or ISA 2.07 respectively.
441         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
442         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
443         mention -mcpu=power9 sets these options.
444         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
445         wB constraint.
447 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
449         PR target/67353
450         * config/avr/avr.c (avr_set_current_function): Warn misspelled
451         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
452         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
453         by default to warn misspelled interrupt/ signal handler.
454         * doc/invoke.texi (AVR Options): Document it. Update description
455         for -nodevicelib option.
457 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
459         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
460         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
461         (aarch64_<sur>shll2_n<mode>): Likewise.
463 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
465         PR middle-end/71529
466         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
467         DECL_CONTEXT for copied arguments.
469 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
471         PR tree-optimization/71483
472         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
473         for slp
475 2016-06-15  Martin Liska  <mliska@suse.cz>
477         * predict.c (tree_predict_by_opcode): Call predict_edge_def
478         instead of predict_edge w/o a probability.
480 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
482         PR tree-optimization/71439
483         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
484         live PHIs.
486 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
488         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
489         register subregs in SET_SRC.
491 2016-06-15  Richard Biener  <rguenther@suse.de>
493         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
494         store restrictions.
496 2016-06-15  Richard Biener  <rguenther@suse.de>
498         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
499         not consider dependences between accesses that belong to the
500         same group.
501         (vect_analyze_data_ref_dependences): Do not analyze read-read
502         or self-dependences.
504 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
506         * spellcheck-tree.c: Include spellcheck-tree.h rather than
507         spellcheck.h.
508         (find_closest_identifier): Reimplement in terms of
509         best_match<tree,tree>.
510         * spellcheck-tree.h: New file.
511         * spellcheck.c (struct edit_distance_traits<const char *>): New
512         struct.
513         (find_closest_string): Reimplement in terms of
514         best_match<const char *, const char *>.
515         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
516         overload to spellcheck-tree.h.
517         (find_closest_identifier): Likewise.
518         (struct edit_distance_traits<T>): New template.
519         (class best_match): New class.
521 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
523         * selftest-run-tests.c (selftest::run_tests): Call
524         selftest::spellcheck_tree_c_tests.
525         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
526         * spellcheck-tree.c: Include selftest.h and stringpool.h.
527         (selftest::test_find_closest_identifier): New function.
528         (selftest::spellcheck_tree_c_tests): New function.
529         * spellcheck.c (selftest::test_find_closest_string): Verify that
530         the order of the vec does not affect the results for this case.
531         (selftest::test_data): New array.
532         (selftest::test_metric_conditions): New function.
533         (selftest::spellcheck_c_tests): Add a test of case-comparison.
534         Call selftest::test_metric_conditions.
536 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
538         * config/rs6000/rs6000-builtin.def (commentary): Typo.
539         (BU_P9_MISC_1): Likewise.
540         (BU_P9_64BIT_MISC_0): Likewise.
541         (BU_P9_MISC_0): Likewise.
543 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
545         * gcc-rich-location.c
546         (gcc_rich_location::add_fixit_misspelled_id): New method.
547         * gcc-rich-location.h
548         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
550 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
552         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
553         FreeBSD 11 and above.
555 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
557         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
559 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
561         * expmed.h: Close parenthesis in "at your option" in copyright
562         boilerplate.
563         * lower-subreg.h: Likewise.
565 2016-06-14  Richard Biener  <rguenther@suse.de>
567         PR middle-end/71526
568         * genmatch.c (expr::gen_transform): Use in_type for comparisons
569         if available.
571 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
573         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
574         New function.
575         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
576         mask+shift version.
577         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
578         New prototype.
579         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
580         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
582 2016-06-14  Richard Biener  <rguenther@suse.de>
584         PR tree-optimization/71522
585         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
586         copying into float copying.
588 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
590         PR tree-optimization/71520
591         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
592         (replace_block_by): Move user labels from bb1 to bb2.
594 2016-06-14  Richard Biener  <rguenther@suse.de>
596         PR middle-end/71310
597         PR bootstrap/71510
598         * expr.h (get_bit_range): Declare.
599         * expr.c (get_bit_range): Export.
600         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
601         word_mode again to constrain the bitfield access.
603 2016-06-14  Richard Biener  <rguenther@suse.de>
605         PR tree-optimization/71521
606         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
607         division int_const_binop against zero divisor.
609 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
611         * config/i386/i386.md (signbittf2): New expander.
612         * config/i386/sse.md (ptesttf2): New insn pattern.
614 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
616         PR bootstrap/71481
617         * input.c (selftest::test_reading_source_line): Avoid reading from
618         __FILE__ by creating a tempfile with known content and reading
619         from that instead.
621 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
623         * pretty-print.c (assert_pp_format_colored): Skip the test if
624         GCC_COLORS is set.
625         (test_pp_format): Remove comment about GCC_COLORS.
627 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
629         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
630         * pretty-print.c (assert_pp_format_va): Add location param and use
631         it with ASSERT_STREQ_AT.
632         (assert_pp_format): Add location param and pass it to
633         assert_pp_format_va.
634         (assert_pp_format_colored): Likewise.
635         (ASSERT_PP_FORMAT_1): New.
636         (ASSERT_PP_FORMAT_2): New.
637         (ASSERT_PP_FORMAT_3): New.
638         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
639         explicitly, or implicitly via the above macros.
640         * selftest.c (selftest::pass): Use a selftest::location rather
641         than file and line.
642         (selftest::fail): Likewise.  Print the function name.
643         (selftest::fail_formatted): Likewise.
644         (selftest::assert_streq): Use a selftest::location rather than
645         file and line.
646         * selftest.h (selftest::location): New struct.
647         (SELFTEST_LOCATION): New macro.
648         (selftest::pass): Accept a const location & rather than file
649         and line.
650         (selftest::fail): Likewise.
651         (selftest::fail_formatted): Likewise.
652         (selftest::assert_streq): Likewise.
653         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
654         (ASSERT_FALSE): Likewise.
655         (ASSERT_EQ): Likewise.
656         (ASSERT_NE): Likewise.
657         (ASSERT_STREQ): Likewise.
658         (ASSERT_PRED1): Likewise.
659         (ASSERT_STREQ_AT): New macro.
661 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
663         * selftest.c (selftest::fail_formatted): New function.
664         (selftest::assert_streq): New function.
665         * selftest.h (selftests::fail_formatted): New decl.
666         (selftest::assert_streq): New decl.
667         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
669 2016-06-13  Jeff Law  <law@redhat.com>
671         PR tree-optimization/71403
672         * tree-ssa-threadbackward.c
673         (convert_and_register_jump_thread_path): No longer accept reference
674         to path.  Do not pop items off the path anymore.
675         (fsm_find_control_statement_thread_paths): Do not allow threading
676         to a deeper loop nest.  Pop the last item off the path here rather
677         than in convert_and_register_jump_thread_path.
679 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
680             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
682         [AArch64] Emit division using the Newton series
684         * config/aarch64/aarch64-protos.h
685         (cpu_approx_modes): Add new member "division".
686         (aarch64_emit_approx_div): Declare new function.
687         * config/aarch64/aarch64.c
688         (generic_approx_modes): New member "division".
689         (exynosm1_approx_modes): Likewise.
690         (xgene1_approx_modes): Likewise.
691         (aarch64_emit_approx_div): Define new function.
692         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
693         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
694         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
695         * doc/invoke.texi (-mlow-precision-div): Describe new option.
697 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
698             Wilco Dijkstra  <wilco.dijkstra@arm.com>
700         [AArch64] Emit square root using the Newton series
702         * config/aarch64/aarch64-protos.h
703         (aarch64_emit_approx_rsqrt): Replace with new function
704         "aarch64_emit_approx_sqrt".
705         (cpu_approx_modes): New member "sqrt".
706         * config/aarch64/aarch64.c
707         (generic_approx_modes): New member "sqrt".
708         (exynosm1_approx_modes): Likewise.
709         (xgene1_approx_modes): Likewise.
710         (aarch64_emit_approx_rsqrt): Replace with new function
711         "aarch64_emit_approx_sqrt".
712         (aarch64_override_options_after_change_1): Handle new option.
713         * config/aarch64/aarch64-simd.md
714         (rsqrt<mode>2): Use new function instead.
715         (sqrt<mode>2): New expansion and insn definitions.
716         * config/aarch64/aarch64.md: Likewise.
717         * config/aarch64/aarch64.opt
718         (mlow-precision-sqrt): Add new option description.
719         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
721 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
723         [AArch64] Add more choices for the reciprocal square root approximation
725         Allow a target to prefer such operation depending on the operation mode.
727         * config/aarch64/aarch64-protos.h
728         (AARCH64_APPROX_MODE): New macro.
729         (AARCH64_APPROX_{NONE,ALL}): Likewise.
730         (cpu_approx_modes): New structure.
731         (tune_params): New member "approx_modes".
732         * config/aarch64/aarch64-tuning-flags.def
733         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
734         * config/aarch64/aarch64.c
735         (generic_approx_modes): New core "cpu_approx_modes" structure.
736         (exynosm1_approx_modes): Likewise.
737         (xgene1_approx_modes): Likewise.
738         (generic_tunings): New member "approx_modes".
739         (cortexa35_tunings): Likewise.
740         (cortexa53_tunings): Likewise.
741         (cortexa57_tunings): Likewise.
742         (cortexa72_tunings): Likewise.
743         (exynosm1_tunings): Likewise.
744         (thunderx_tunings): Likewise.
745         (xgene1_tunings): Likewise.
746         (use_rsqrt_p): New argument for the mode and use new member from
747         "tune_params".
748         (aarch64_builtin_reciprocal): Devise mode from builtin.
749         (aarch64_optab_supported_p): New argument for the mode.
750         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
752 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
754         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
755         RS6000_BTM_MODULO flag into the set of flags that are considered
756         to be part of the common configuration.
758 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
760         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
761         difference unsigned.
762         (vec_absdb): New macro for vector absolute difference unsigned
763         byte.
764         (vec_absdh): New macro for vector absolute difference unsigned
765         half-word.
766         (vec_absdw): New macro for vector absolute difference unsigned word.
767         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
768         (vadu<mode>3): New insn.
769         (*p9_vadu<mode>3): New insn.
770         * config/rs6000/rs6000-builtin.def (vadub): New built-in
771         definition.
772         (vaduh): New built-in definition.
773         (vaduw): New built-in definition.
774         (vadu): New overloaded built-in definition.
775         (vadub): New overloaded built-in definition.
776         (vaduh): New overloaded built-in definition.
777         (vaduw): New overloaded built-in definition.
778         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
779         overloaded vector absolute difference unsigned functions.
780         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
781         the ISA 3.0 vector absolute difference unsigned built-in functions.
783 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
785         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
786         update shared_lookup_references only once after changing operands.
788 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
790         PR middle-end/71373
791         * tree-nested.c (convert_nonlocal_omp_clauses)
792         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
794         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
795         * tree.def (CASE_LABEL_EXPR): Likewise.
797 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
799         PR bootstrap/71481
800         * input.c (test_builtins): Fix an assertion.
802 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
804         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
805         (paritysi2): Ditto.
806         (isinfxf2): Ditto.
807         (isinf<mode>2): Ditto.
809 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
811         * ggc-tests.c (test_finalization): Only test need_finalization_p
812         for GCC_VERSION >= 4003.
814 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
816         * config/s390/vecintrin.h: Fix file description in comment.
818 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
820         * config/s390/s390-builtin-types.def: Change builtin type naming
821         scheme to match builtin-types.def.
823 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
825         * fold-const.c (optimize_minmax_comparison): Remove.
826         (fold_comparison): Remove call to the above.
827         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
828         New transformations.
830 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
832         PR tree-optimization/71416
833         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
834         multiple entries
836 2016-06-13  Martin Liska  <mliska@suse.cz>
838         * predict.c (enum predictor_reason): Prefix enum with REASON_.
839         (combine_predictions_for_insn): Likewise.
840         (prune_predictions_for_bb): Likewise.
841         (combine_predictions_for_bb): Likewise.
843 2016-06-13  Richard Biener  <rguenther@suse.de>
845         PR tree-optimization/71505
846         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
847         assert match comment.
849 2016-06-13  Marek Polacek  <polacek@redhat.com>
851         PR middle-end/71476
852         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
853         gimplify_switch_expr.
854         (warn_switch_unreachable_r): New function.
856 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
858         PR target/71379
859         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
860         one.
862 2016-06-13  Richard Biener  <rguenther@suse.de>
864         PR middle-end/64516
865         * fold-const.c (fold_unary_loc): Preserve alignment when
866         folding a VIEW_CONVERT_EXPR into a MEM_REF.
868 2016-06-13  Martin Liska  <mliska@suse.cz>
870         PR sanitizer/71458
871         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
872         w/ -fsanitize=bounds.
874 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
876         * config/i386/i386.c (ix86_init_builtins): Calculate
877         FLOAT128_FTYPE_CONST_STRING function type only once.
878         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
879         built-in functions are available for x86-32 and x86-64 targets.
881 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
883         PR target/71241
884         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
885         New primitive type.
886         (FLOAT128_FTYPE_CONST_STRING): New function type.
887         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
888         [IX86_BUILTIN_NANSQ]: Ditto.
889         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
890         (ix86_init_builtin_types): Declare const_string_type_node.
891         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
892         builtin functions.
893         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
894         * doc/extend.texi (x86 Built-in Functions): Document
895         __builtin_nanq and __builtin_nansq.
897 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
899         PR target/71061
900         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
901         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
902         length for pop patterns.
903         (arm_attr_length_push_multi): Update comments.
904         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
905         attribute.
906         (*pop_multiple_with_writeback_and_return): Likewise.
907         (*pop_multiple_with_return): Likewise.
909 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
911         PR middle-end/71310
912         * fold-const.c (optimize_bit_field_compare): Don't try to use
913         word_mode unconditionally for reading the bit field, look at
914         DECL_BIT_FIELD_REPRESENTATIVE instead.
916 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
918         PR middle-end/71478
919         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
920         vector integer type.
922 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
924         PR middle-end/71494
925         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
926         without LABEL_DECL, set *handled_ops_p to false instead of true.
928 2016-06-10  Martin Sebor  <msebor@redhat.com>
930         PR c/71392
931         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
932         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
933         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
934         them.
935         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
936         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
937         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
938         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
939         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
940         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
941         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
942         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
944 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
946         * config/arm/arm.h (pool_vector_label,
947         return_used_this_function): Remove.
949 2016-06-10  Jeff Law  <law@redhat.com>
951         PR tree-optimization/71335
952         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
953         zero length paths here.
954         (convert_and_register_jump_thread_path): Remove hacks related to
955         duplicated blocks in the jump thread path.
956         (fsm_find_control_statement_thread_paths): Avoid putting the same
957         block on the thread path twice, but ensure the thread path is
958         unchanged from the caller's point of view.
960 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
962         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
963         * predict.def (PRED_LOOP_BRANCH): Remove.
965 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
967         * Makefile.in (OBJS): Add ggc-tests.o.
968         (GTFILES): Add ggc-tests.c.
969         * ggc-tests.c: New file.
970         * selftest-run-tests.c (selftest::run_tests): Call
971         selftest::ggc_tests_c_tests.
972         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
974 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
976         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
978 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
980         PR sanitizer/71480
981         * varasm.c (place_block_symbol): Adjust alignment for asan protected
982         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
984 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
986         * profile.c: Include cfgloop.h.
987         (branch_prob): Compute estimated number of iterations.
988         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
989         recompute estimate number of iterations from profile.
991 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
993         PR inline-asm/68843
994         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
995         must be grouped on top of stack.  Don't force early clobber
996         on ordinary reg outputs.
998 2016-06-10  Richard Biener  <rguenther@suse.de>
1000         * targhooks.c (default_builtin_vectorization_cost): Adjust
1001         vec_construct cost.
1003 2016-06-10  Richard Biener  <rguenther@suse.de>
1005         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1006         to fold the RHS to a constant if possible.
1008 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1010         PR middle-end/71373
1011         * tree-nested.c (convert_nonlocal_omp_clauses)
1012         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1013         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1014         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1016         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1017         OMP_CLAUSE_TILE.
1018         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1020         * omp-low.c (scan_sharing_clauses): Don't expect
1021         OMP_CLAUSE__CACHE_.
1023 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1025         PR tree-optimization/71407
1026         PR tree-optimization/71416
1027         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1028         BIT_FIELD_REF type.
1030 2016-06-10  Richard Biener  <rguenther@suse.de>
1032         PR middle-end/71477
1033         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1035 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1037         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1039 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1040             Jiong Wang  <jiong.wang@arm.com>
1042         PR rtl-optimization/70751
1043         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1044         spilled into memory.
1046 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1048         Revert:
1049         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1051         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1052         sysroot/usr/lib/32api for additional win32 libraries,
1053         fixes failing Cygwin bootstrapping.
1055 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1057         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1058         Delete.
1060 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1062         PR bootstrap/71471
1063         * pretty-print.c (pp_indent): Specify that %p is printed in a
1064         host-dependent manner.
1065         (test_pp_format): Remove the test for %p.
1067 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1069         * config/mips/mips.c (mips_output_jump): Fix formatting.
1071 2016-06-09  Richard Biener  <rguenther@suse.de>
1073         PR tree-optimization/71462
1074         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1075         removed blocks.
1077 2016-06-09  Martin Liska  <mliska@suse.cz>
1079         * predict.c (dump_prediction): Add new argument.
1080         (enum predictor_reason): New enum.
1081         (struct predictor_hash): New struct.
1082         (predictor_hash::hash): New function.
1083         (predictor_hash::equal): Likewise.
1084         (not_removed_prediction_p): New function.
1085         (prune_predictions_for_bb): Likewise.
1086         (combine_predictions_for_bb): Prune predictions.
1088 2016-06-09  Martin Liska  <mliska@suse.cz>
1090         * predict.c (filter_predictions): New function.
1091         (remove_predictions_associated_with_edge): Use the filter
1092         function.
1093         (equal_edge_p): New function.
1095 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1097         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1098         Correct usage of @samp vs @option, add @samp where appropriate.
1099         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1100         Add armv6s-m and document it, as it is no official ARM name.
1102 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1104         * ifcvt.c (struct noce_if_info): Add transform_name field.
1105         (noce_try_move): Set if_info->transform_name to the function name.
1106         (noce_try_ifelse_collapse): Likewise.
1107         (noce_try_store_flag): Likewise.
1108         (noce_try_inverse_constants): Likewise.
1109         (noce_try_store_flag_constants): Likewise.
1110         (noce_try_addcc): Likewise.
1111         (noce_try_store_flag_mask): Likewise.
1112         (noce_try_cmove): Likewise.
1113         (noce_try_cmove_arith): Likewise.
1114         (noce_try_minmax): Likewise.
1115         (noce_try_abs): Likewise.
1116         (noce_try_sign_mask): Likewise.
1117         (noce_try_bitop): Likewise.
1118         (noce_convert_multiple_sets): Likewise.
1119         (noce_process_if_block): Print if_info->transform_name to
1120         dump_file if transformation succeeded.
1122 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1124         * config/arm/cortex-a57.md (cortex_a57_alu):
1125         Handle csel type.
1127 2016-06-08  Martin Sebor  <msebor@redhat.com>
1128             Jakub Jelinek  <jakub@redhat.com>
1130         PR c++/70507
1131         PR c/68120
1132         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1133         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1134         * builtins.c: Include gimple-fold.h.
1135         (fold_builtin_arith_overflow): Handle
1136         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1137         (fold_builtin_3): Likewise.
1138         * doc/extend.texi (Integer Overflow Builtins): Document
1139         __builtin_{add,sub,mul}_overflow_p.
1141 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1143         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1144         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1146 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1148         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1149         Rewrite, looking one level down for records and arrays.
1151 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1153         * pretty-print.c: Include "selftest.h".
1154         (pp_format): Fix comment.
1155         (identifier_to_locale): Likewise.
1156         (selftest::test_basic_printing): New function.
1157         (selftest::assert_pp_format): New function.
1158         (selftest::test_pp_format): New function.
1159         (selftest::pretty_print_c_tests): New function.
1160         * selftest-run-tests.c (selftest::run_tests): Call
1161         selftest::pretty_print_c_tests.
1162         * selftest.h (pretty_print_c_tests): New declaration.
1164 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1166         * invoke.texi (max-loop-headers-insns): Document.
1167         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1168         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1169         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1171 2016-06-08  Richard Biener  <rguenther@suse.de>
1173         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1174         on strided SLP loads and fall back to scalar loads in case
1175         we can't chunk them.
1177 2016-06-08  Richard Biener  <rguenther@suse.de>
1179         PR tree-optimization/71452
1180         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1181         type used for the SSA rewrite has enough precision to cover
1182         the dynamic type of the location.
1184 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1185             Richard Biener  <rguenther@suse.de>
1187         PR c++/71448
1188         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1189         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1190         in one further place.
1192 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1194         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1195         to one word if the field is known to overlap other words.
1196         (extract_bit_field_1): Likewise.
1197         (store_split_bit_field): Remove compensating code.
1198         (extract_split_bit_field): Likewise.
1200 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1202         PR debug/71432
1203         PR ada/71413
1204         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1206 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1208         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1209         VDQF.
1210         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1211         (arch64_addpv4sf): Delete.
1212         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1213         "gen_aarch64_addpv4sf".
1214         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1215         builtin.
1216         (vpadds_f32): Likewise.
1217         (vpaddq_f32): Likewise.
1218         (vpaddq_f64): Likewise.
1220 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1222         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1223         VALLF.
1224         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1225         to VALLF.  Rename to "fabd<mode>3".
1226         "*fabd_scalar<mode>3): Delete.
1227         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1228         Use builtin.
1229         (vabdd_f64): Likewise.
1230         (vabd_f32): Likewise.
1231         (vabd_f64): Likewise.
1232         (vabdq_f32): Likewise.
1233         (vabdq_f64): Likewise.
1235 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1237         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1238         VALLF.
1239         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1240         "aarch64_rsqrts<mode>".
1241         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1242         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1243         builtin.
1244         (vrsqrtsd_f64): Likewise.
1245         (vrsqrts_f32): Likewise.
1246         (vrsqrts_f64): Likewise.
1247         (vrsqrtsq_f32): Likewise.
1248         (vrsqrtsq_f64): Likewise.
1250 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1252         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1253         VALLF.
1254         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1255         "aarch64_rsqrte<mode>".
1256         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1257         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1258         builtin.
1259         (vrsqrted_f64): Likewise.
1260         (vrsqrte_f32): Likewise.
1261         (vrsqrte_f64): Likewise.
1262         (vrsqrteq_f32): Likewise.
1263         (vrsqrteq_f64): Likewise.
1265 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1267         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1268         (ucvtf): Likewise.
1269         (fcvtzs): Likewise.
1270         (fcvtzu): Likewise.
1271         * config/aarch64/aarch64-simd.md
1272         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1273         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1274         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1275         Use builtin.
1276         (vcvt_n_f32_u32): Likewise.
1277         (vcvt_n_s32_f32): Likewise.
1278         (vcvt_n_u32_f32): Likewise.
1279         (vcvtq_n_f32_s32): Likewise.
1280         (vcvtq_n_f32_u32): Likewise.
1281         (vcvtq_n_f64_s64): Likewise.
1282         (vcvtq_n_f64_u64): Likewise.
1283         (vcvtq_n_s32_f32): Likewise.
1284         (vcvtq_n_s64_f64): Likewise.
1285         (vcvtq_n_u32_f32): Likewise.
1286         (vcvtq_n_u64_f64): Likewise.
1287         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1288         (VSDQ_SDI): Likewise.
1289         (fcvt_target): Support V4DI, V4SI and V2SI.
1290         (FCVT_TARGET): Likewise.
1292 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1294         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1295         (TYPES_BINOP_SUS): Likewise.
1296         (aarch64_simd_builtin_data): Update include file name.
1297         (aarch64_builtins): Likewise.
1298         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1299         for conversion between scalar float-point and fixed-point.
1300         (ucvtf): Likewise.
1301         (fcvtzs): Likewise.
1302         (fcvtzu): Likewise.
1303         * config/aarch64/aarch64.md
1304         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1305         pattern for conversion between scalar float to fixed-pointer.
1306         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1307         (UNSPEC_FCVTZS): New UNSPEC enumeration.
1308         (UNSPEC_FCVTZU): Likewise.
1309         (UNSPEC_SCVTF): Likewise.
1310         (UNSPEC_UCVTF): Likewise.
1311         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1312         Use builtin.
1313         (vcvtd_n_f64_u64): Likewise.
1314         (vcvtd_n_s64_f64): Likewise.
1315         (vcvtd_n_u64_f64): Likewise.
1316         (vcvtd_n_f32_s32): Likewise.
1317         (vcvts_n_f32_u32): Likewise.
1318         (vcvtd_n_s32_f32): Likewise.
1319         (vcvts_n_u32_f32): Likewise.
1320         * config/aarch64/iterators.md (fcvt_target): Support integer to float
1321         mapping.
1322         (FCVT_TARGET): Likewise.
1323         (FCVT_FIXED2F): New iterator.
1324         (FCVT_F2FIXED): Likewise.
1325         (fcvt_fixed_insn): New define_int_attr.
1327 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1329         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1330         some statements was removed.
1332 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
1334         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1335         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1336         (vect_can_advance_ivs_p): likewise.
1337         (vect_update_ivs_after_vectorizer): likewise.
1338         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1339         (vect_analyze_scalar_cycles_1): likewise.
1340         (vect_analyze_loop_operations): likewise.
1341         (report_vect_op): likewise.
1342         (vect_is_slp_reduction): likewise.
1343         (vect_is_simple_reduction): likewise.
1344         (get_initial_def_for_induction): likewise.
1345         (vect_transform_loop): likewise.
1346         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1347         (vect_recog_sad_pattern): likewise.
1348         (vect_recog_widen_sum_pattern): likewise.
1349         (vect_recog_widening_pattern): likewise.
1350         (vect_recog_divmod_pattern): likewise.
1351         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1352         (vect_analyze_slp_instance): likewise.
1353         (vect_transform_slp_perm_load): likewise.
1354         (vect_schedule_slp_instance): likewise.
1356 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1358         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1359         (return_prediction): PRED_CONST_RETURN predict return as not taken.
1360         * predict.def (PRED_CONTINUE): Change hitrate 50->67
1361         (PRED_LOOP_BRANCH): Document predictor as broken.
1362         (PRED_LOOP_EXIT): Change hitrate 91->92.
1363         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1364         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1365         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1366         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1367         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1368         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1369         (PRED_CALL): Chane hitrate 71->67.
1370         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1371         (PRED_GOTO): Document as unused right now.
1372         (PRED_CONST_RETURN): Change hitrate 67->69
1373         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1374         (PRED_NULL_RETURN): Change hitrate 91->90.
1375         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1376         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1377         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1379 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1381         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1382         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1383         special case Altivec builtin.
1384         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1385         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1386         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1387         code for ALTIVEC_BUILTIN_VEC_MUL.
1388         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1389         for __builtin_vec_mul.
1391 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1393         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1394         -mno-htm.
1396 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1398         * spellcheck.c (selftest::test_find_closest_string): New function.
1399         (spellcheck_c_tests): Call the above.
1401 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1403         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1405 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1407         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1408         Yv=Yv,C alternatives.
1410 2016-06-07  Richard Biener  <rguenther@suse.de>
1412         PR c/61564
1413         * common.opt (ffast-math): Make Optimization.
1415 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1416             Prachi Godbole  <prachi.godbole@imgtec.com>
1418         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1419         `fabs' and `fneg' type attributes.
1420         (p5600_fpu_fabs): Add `fmove' to the comment.
1422 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1424         * gimple.c: Include builtins.h
1425         (gimple_inexpensive_call_p): New function.
1426         * gimple.h (gimple_inexpensive_call_p): Declare.
1427         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1428         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1429         fix formatting.
1431 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1433         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1434         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1435         warning_at_rich_loc, warning_n, pedwarn, permerror,
1436         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1437         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1438         Use the above.
1440 2016-06-07  Richard Biener  <rguenther@suse.de>
1442         PR tree-optimization/71428
1443         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
1444         BIT_FIELD_REF op vs. load.
1446 2016-06-07  Richard Biener  <rguenther@suse.de>
1448         PR middle-end/71423
1449         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
1450         for signed ops.
1452 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1454         * config/pa/pa.md (call): Generate indirect long calls to non-local
1455         functions on TARGET_64BIT.
1456         (call_value): Likewise.
1458 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1460         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
1461         pattern and subsequent splitters.
1462         (call_val_reg_64bit_post_reload): Likewise.
1464 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1466         PR middle-end/71408
1467         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
1468         propagate_op_to_single_use.
1470 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1472         PR middle-end/71281
1473         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
1475 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
1477         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
1478         (enum x86_dirflag_state): New enum.
1479         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
1480         (machine_function): Remove needs_cld.
1481         (ix86_current_function_needs_cld): Remove.
1482         * config/i386/i386.c (ix86_set_func_type): Set
1483         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
1484         (ix86_expand_prologue): Do not emit CLD here.
1485         (ix86_dirflag_mode_needed): New function.
1486         (ix86_dirflag_mode_entry): Ditto.
1487         (ix86_mode_needed): Handle X86_DIRFLAG entity.
1488         (ix86_mode_after): Ditto.
1489         (ix86_mode_entry): Ditto.
1490         (ix86_mode_exit): Ditto.
1491         (ix86_emit_mode_set): Ditto.
1492         * config/i386/i386.md (strmov_singleop): Set
1493         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
1494         Do not set ix86_current_function_needs_cld.
1495         (rep_mov): Ditto.
1496         (strset_singleop): Ditto.
1497         (rep_stos): Ditto.
1498         (cmpstrnqi_nz_1): Ditto.
1499         (cmpstrnqi_1): Ditto.
1500         (strlenqi_1): Ditto.
1502 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
1504         PR tree-optimization/71259
1505         * tree-vect-slp.c (vect_get_constant_vectors): For
1506         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1507         one for constant op, and use COND_EXPR for non-constant.
1509 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
1511         * Makefile.in (OBJS): Add function-tests.o,
1512         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
1513         selftest-run-tests.o.
1514         (OBJS-libcommon): Add selftest.o.
1515         (OBJS-libcommon-target): Add selftest.o.
1516         (all.internal): Add "selftest".
1517         (all.cross): Likewise.
1518         (selftest): New phony target.
1519         (s-selftest): New target.
1520         (selftest-gdb): New phony target.
1521         (COLLECT2_OBJS): Add selftest.o.
1522         * bitmap.c: Include "selftest.h".
1523         (selftest::test_gc_alloc): New function.
1524         (selftest::test_set_range): New function.
1525         (selftest::test_clear_bit_in_middle): New function.
1526         (selftest::test_copying): New function.
1527         (selftest::test_bitmap_single_bit_set_p): New function.
1528         (selftest::bitmap_c_tests): New function.
1529         * common.opt (fself-test): New.
1530         * diagnostic-show-locus.c: Include "selftest.h".
1531         (make_range): New function.
1532         (test_range_contains_point_for_single_point): New function.
1533         (test_range_contains_point_for_single_line): New function.
1534         (test_range_contains_point_for_multiple_lines): New function.
1535         (assert_eq): New function.
1536         (test_get_line_width_without_trailing_whitespace): New function.
1537         (selftest::diagnostic_show_locus_c_tests): New function.
1538         * et-forest.c: Include "selftest.h".
1539         (selftest::test_single_node): New function.
1540         (selftest::test_simple_tree): New function.
1541         (selftest::test_disconnected_nodes): New function.
1542         (selftest::et_forest_c_tests): New function.
1543         * fold-const.c: Include "selftest.h".
1544         (selftest::assert_binop_folds_to_const): New function.
1545         (selftest::assert_binop_folds_to_nonlvalue): New function.
1546         (selftest::test_arithmetic_folding): New function.
1547         (selftest::fold_const_c_tests): New function.
1548         * function-tests.c: New file.
1549         * gimple.c: Include "selftest.h".
1550         Include "gimple-pretty-print.h".
1551         (selftest::verify_gimple_pp): New function.
1552         (selftest::test_assign_single): New function.
1553         (selftest::test_assign_binop): New function.
1554         (selftest::test_nop_stmt): New function.
1555         (selftest::test_return_stmt): New function.
1556         (selftest::test_return_without_value): New function.
1557         (selftest::gimple_c_tests): New function.
1558         * hash-map-tests.c: New file.
1559         * hash-set-tests.c: New file.
1560         * input.c: Include "selftest.h".
1561         (selftest::assert_loceq): New function.
1562         (selftest::test_accessing_ordinary_linemaps): New function.
1563         (selftest::test_unknown_location): New function.
1564         (selftest::test_builtins): New function.
1565         (selftest::test_reading_source_line): New function.
1566         (selftest::input_c_tests): New function.
1567         * rtl-tests.c: New file.
1568         * selftest-run-tests.c: New file.
1569         * selftest.c: New file.
1570         * selftest.h: New file.
1571         * spellcheck.c: Include "selftest.h".
1572         (selftest::levenshtein_distance_unit_test_oneway): New function,
1573         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
1574         (selftest::levenshtein_distance_unit_test): Likewise.
1575         (selftest::spellcheck_c_tests): Likewise.
1576         * toplev.c: Include selftest.h.
1577         (toplev::run_self_tests): New.
1578         (toplev::main): Handle -fself-test.
1579         * toplev.h (toplev::run_self_tests): New.
1580         * tree.c: Include "selftest.h".
1581         (selftest::test_integer_constants): New function.
1582         (selftest::test_identifiers): New function.
1583         (selftest::test_labels): New function.
1584         (selftest::tree_c_tests): New function.
1585         * tree-cfg.c: Include "selftest.h".
1586         (selftest::push_fndecl): New function.
1587         (selftest::test_linear_chain): New function.
1588         (selftest::test_diamond): New function.
1589         (selftest::test_fully_connected): New function.
1590         (selftest::tree_cfg_c_tests): New function.
1591         * vec.c: Include "selftest.h".
1592         (selftest::safe_push_range): New function.
1593         (selftest::test_quick_push): New function.
1594         (selftest::test_safe_push): New function.
1595         (selftest::test_truncate): New function.
1596         (selftest::test_safe_grow_cleared): New function.
1597         (selftest::test_pop): New function.
1598         (selftest::test_safe_insert): New function.
1599         (selftest::test_ordered_remove): New function.
1600         (selftest::test_unordered_remove): New function.
1601         (selftest::test_block_remove): New function.
1602         (selftest::reverse_cmp): New function.
1603         (selftest::test_qsort): New function.
1604         (selftest::vec_c_tests): New function.c.
1605         * wide-int.cc: Include selftest.h and wide-int-print.h.
1606         (selftest::from_int <wide_int>): New function.
1607         (selftest::from_int <offset_int>): New function.
1608         (selftest::from_int <widest_int>): New function.
1609         (selftest::assert_deceq): New function.
1610         (selftest::assert_hexeq): New function.
1611         (selftest::test_printing <VALUE_TYPE>): New function template.
1612         (selftest::test_ops <VALUE_TYPE>): New function template.
1613         (selftest::test_comparisons <VALUE_TYPE>): New function template.
1614         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
1615         template.
1616         (selftest::wide_int_cc_tests): New function.
1618 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1620         PR middle-end/37780
1621         * ifcvt.c (noce_try_ifelse_collapse): New function.
1622         Declare prototype.
1623         (noce_process_if_block): Call noce_try_ifelse_collapse.
1624         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
1625         (simplify_ternary_operation): Use the above to simplify
1626         conditional CLZ/CTZ expressions.
1628 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1630         PR middle-end/37780
1631         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
1632         define_insn_and_split.
1634 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1636         PR middle-end/37780
1637         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
1639 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1641         PR c/24414
1642         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
1643         Implicitly clobber memory for basic asm with non-empty assembler
1644         string.  Use targetm.md_asm_adjust also here.
1645         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
1646         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
1647         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
1648         non-empty assembler string.
1649         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
1650         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
1651         (decode_asm_operands): Handle basic asm in PARALLEL block.
1652         (extract_insn): Handle basic asm in PARALLEL block.
1653         * doc/extend.texi: Mention new behavior of basic asm.
1654         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
1655         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
1656         branch_needs_nop_p): Use asm_noperands.
1658 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
1660         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1661         Include the M7 SPARC DFA scheduler.
1662         New attribute v3pipe.
1663         Annotate insns with v3pipe where appropriate.
1664         Define cpu_feature vis4.
1665         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1666         Add (V8QI "8") to vbits.
1667         Add insns {add,sub}v8qi3
1668         Add insns ss{add,sub}v8qi3
1669         Add insns us{add,sub}{v8qi,v4hi}3
1670         Add insns {min,max}{v8qi,v4hi,v2si}3
1671         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1672         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1673         * config/sparc/niagara4.md: Add a comment explaining the
1674         discrepancy between the documented latenty numbers and the
1675         implemented ones.
1676         * config/sparc/niagara7.md: New file.
1677         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1678         supports SPARC5 and VIS 4.0 instructions.
1679         * configure: Regenerate.
1680         * config.in: Likewise.
1681         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1682         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1683         TARGET_CPU_niagara7.
1684         (ASM_CPU64_DEFAULT_SPEC): Likewise.
1685         (CPP_CPU_SPEC): Handle niagara7.
1686         (ASM_CPU_SPEC): Likewise.
1687         * config/sparc/sparc-opts.h (processor_type): Add
1688         PROCESSOR_NIAGARA7.
1689         (mvis4): New option.
1690         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1691         (AS_NIAGARA7_FLAG): Define.
1692         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1693         (CPP_CPU64_DEFAULT_SPEC): Likewise.
1694         (CPP_CPU_SPEC): Handle niagara7.
1695         (ASM_CPU_SPEC): Likewise.
1696         * config/sparc/sparc.c (niagara7_costs): Define.
1697         (sparc_option_override): Handle niagara7 and adjust cache-related
1698         parameters with better values for niagara cpus.  Also support VIS4.
1699         (sparc32_initialize_trampoline): Likewise.
1700         (sparc_use_sched_lookahead): Likewise.
1701         (sparc_issue_rate): Likewise.
1702         (sparc_register_move_cost): Likewise.
1703         (dump_target_flag_bits): Support VIS4.
1704         (sparc_vis_init_builtins): Likewise.
1705         (sparc_builtins): Likewise.
1706         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1707         VIS4 4.0.
1708         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1709         UltraSparc M7.
1710         * config/sparc/sparc.opt (sparc_processor_type): New value
1711         niagara7.
1712         * config/sparc/visintrin.h (__attribute__): Prototypes for the
1713         VIS4 builtins.
1714         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1715         -mvis4.
1716         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1717         VIS4 builtins.
1719 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
1721         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
1723 2016-06-06  Richard Biener  <rguenther@suse.de>
1725         PR tree-optimization/71398
1726         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
1727         remove edges.
1729 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
1731         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
1732         ft32_expand_prolog, ft32_expand_epilogue):
1733         Handle pretend_args.
1734         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
1735         * config/ft32/ft32.md: Add pretend_returner.
1737 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
1739         PR target/71389
1740         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1741         Copy op1 RTX to avoid invalid sharing.
1742         (ix86_expand_vector_move_misalign): Ditto.
1744 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
1746         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
1747         ATTRIBUTE_UNUSED.
1749 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1751         * predict.c (predicted_by_loop_heuristics_p): New function.
1752         (predict_iv_comparison): Use it.
1753         (predict_loops): Walk from innermost loops; do not predict edges
1754         leaving multiple loops multiple times; implement
1755         PRED_LOOP_ITERATIONS_MAX heuristics.
1756         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
1758 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1760         * cfg.c (check_bb_profile): Do not report mismatched profiles when
1761         only edges out of BB are EH edges.
1763 2016-06-04  Martin Sebor  <msebor@redhat.com>
1764             Marcin Baczyński  <marbacz@gmail.com>
1766         PR c/48116
1767         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
1768         a void expression in a void function.
1770 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1772         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
1773         aux; dump reasons of decisions.
1774         (should_duplicate_loop_header_p): Likewise.
1775         (do_while_loop_p): Likewise.
1776         (ch_base::copy_headers): Dump asi num insns duplicated.
1778 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
1780         PR tree-optimization/71405
1781         * tree-ssa.c (execute_update_addresses_taken): For clobber with
1782         incompatible type, build a new clobber with the right type instead
1783         of building a VIEW_CONVERT_EXPR around it.
1785 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1787         PR tree-optimization/52171
1788         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
1789         by_pieces_ninsns instead of move_by_pieces_ninsns.
1791 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1793         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
1794         for reg+reg addressing mode.
1796 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1798         * rs6000-c.c (c/c-tree.h): Add #include.
1799         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
1800         in C++ when found in the base position of vec_ld or vec_st.
1802 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1804         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
1805         use of profile unless profile status is PROFILE_READ.
1806         * profile.c (compute_branch_probabilities): Set profile status
1807         only after reporting predictor hitrates.
1809 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
1811         PR target/71276
1812         PR target/71277
1813         * common.opt (ffp-int-builtin-inexact): New option.
1814         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
1815         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
1816         (ceil@var{m}2): Document dependence on this option.
1817         * ipa-inline-transform.c (inline_call): Handle
1818         flag_fp_int_builtin_inexact.
1819         * ipa-inline.c (can_inline_edge_p): Likewise.
1820         * config/i386/i386.md (rintxf2): Do not test
1821         flag_unsafe_math_optimizations.
1822         (rint<mode>2_frndint): New define_insn.
1823         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
1824         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
1825         for 387 instead of extending and truncating.
1826         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
1827         !flag_trapping_math instead of flag_unsafe_math_optimizations.
1828         Change to frndint<mode>2_<rounding>.
1829         (frndintxf2_<rounding>_i387): Likewise.  Change to
1830         frndint<mode>2_<rounding>_i387.
1831         (<rounding_insn>xf2): Likewise.
1832         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
1833         !flag_trapping_math instead of flag_unsafe_math_optimizations for
1834         x87.  Test TARGET_ROUND || !flag_trapping_math ||
1835         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
1836         SSE.  Use ROUND_NO_EXC in constant operand of
1837         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
1838         for 387 instead of extending and truncating.
1840 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1841             Julia Koval  <julia.koval@intel.com>
1843         PR target/66960
1844         PR target/67630
1845         PR target/67634
1846         PR target/67841
1847         PR target/68037
1848         PR target/68618
1849         PR target/68661
1850         PR target/69575
1851         PR target/69596
1852         PR target/69734
1853         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
1854         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
1855         all registers, except for function return registers if there are
1856         no caller-saved registers.
1857         (ix86_set_func_type): New function.
1858         (ix86_set_current_function): Call ix86_set_func_type to set
1859         no_caller_saved_registers and func_type.  Call reinit_regs if
1860         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
1861         nor x87 instructions in interrupt handler nor function with
1862         no_caller_saved_registers attribute.
1863         (ix86_function_ok_for_sibcall): Return false if there are no
1864         caller-saved registers.
1865         (type_natural_mode): Don't warn ABI change for MMX in interrupt
1866         handler.
1867         (ix86_function_arg_advance): Skip for callee in interrupt handler.
1868         (ix86_function_arg): Return special arguments in interrupt handler.
1869         (ix86_promote_function_mode): Promote pointer to word_mode only
1870         for normal functions.
1871         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
1872         interrupt handler.
1873         (ix86_epilogue_uses): New function.
1874         (ix86_hard_regno_scratch_ok): Likewise.
1875         (ix86_save_reg): Preserve all registers in interrupt handler
1876         after reload.  Preserve all registers, except for function return
1877         registers, if there are no caller-saved registers after reload.
1878         (find_drap_reg): Always use callee-saved register if there are
1879         no caller-saved registers.
1880         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
1881         for interrupt handler.
1882         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
1883         Emit cld instruction if stringops are used in interrupt handler
1884         or interrupt handler isn't a leaf function.
1885         (ix86_expand_epilogue): Generate interrupt return for interrupt
1886         handler and pop the 'ERROR_CODE' off the stack before interrupt
1887         return in exception handler.
1888         (ix86_expand_call): Disallow calling interrupt handler directly.
1889         If there are no caller-saved registers, mark all registers that
1890         are clobbered by the call which returns as clobbered.
1891         (ix86_handle_no_caller_saved_registers_attribute): New function.
1892         (ix86_handle_interrupt_attribute): Likewise.
1893         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
1894         attributes.
1895         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
1896         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
1897         accumulation in interrupt function if stack may be realigned to
1898         avoid DRAP.
1899         (EPILOGUE_USES): New.
1900         (function_type): New enum.
1901         (machine_function): Add func_type and no_caller_saved_registers.
1902         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
1903         (interrupt_return): New pattern.
1904         * doc/extend.texi: Document x86 interrupt and
1905         no_caller_saved_registers attributes.
1907 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
1909         PR tree-optimization/52171
1910         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
1911         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
1912         Look for constant strings.  Move some code to emit_block_cmp_hints
1913         and use it.
1914         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
1915         * defaults.h (COMPARE_MAX_PIECES): New macro.
1916         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
1917         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
1918         (clear_by_pieces_1): Don't declare.  Move definition before use.
1919         (can_do_by_pieces): New static function.
1920         (can_move_by_pieces): Use it.  Return bool.
1921         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
1922         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
1923         (class pieces_addr); New.
1924         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
1925         pieces_addr::adjust, pieces_addr::increment_address,
1926         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
1927         functions for it.
1928         (class op_by_pieces_d): New.
1929         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
1930         functions for it.
1931         (class move_by_pieces_d, class compare_by_pieces_d,
1932         class store_by_pieces_d): New subclasses of op_by_pieces_d.
1933         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
1934         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
1935         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
1936         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
1937         compare_by_pieces_d::finish_mode): New member functions.
1938         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
1939         functions.
1940         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
1941         (emit_block_cmp_hints): New function.
1942         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
1943         use the newly defined classes.
1944         * expr.h (by_pieces_constfn): New typedef.
1945         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
1946         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
1947         (move_by_pieces_ninsns): Don't declare.
1948         (can_move_by_pieces): Change return value to bool.
1949         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
1950         (compare_by_pieces_branch_ratio): New hook.
1951         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
1952         (by_pieces_ninsns): Declare.
1953         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
1954         COMPARE_BY_PIECES.
1955         (default_compare_by_pieces_branch_ratio): New function.
1956         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
1957         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
1958         * doc/tm.texi: Regenerate.
1959         * tree-ssa-strlen.c: Include "builtins.h".
1960         (handle_builtin_memcmp): New static function.
1961         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
1962         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
1964 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1966         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
1967         relevant stmts which are simple and invariant.
1968         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
1969         instead of simple and invariant
1971 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1973         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
1974         (vectorizable_reduction): Check for new relevant state.
1975         (vectorizable_live_operation): vectorize live stmts using
1976         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
1977         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
1978         (vect_stmt_relevant_p): Check for stmts which are only used live.
1979         (process_use): Use of a stmt does not inherit it's live value.
1980         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
1981         (vect_analyze_stmt): Check for new relevant state.
1982         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
1983         outside the loop, but not inside it.
1985 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1987         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
1988         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
1989         (vect_get_vec_def_for_operand): Split out code.
1991 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1993         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
1995 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1997         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
1999 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2001         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2003 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2005         PR middle-end/71387
2006         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2007         to noreturn e->callee->decl that has void return type and void
2008         arguments, adjust gimple_call_fntype and remove lhs even if it had
2009         previously addressable type.
2011 2016-06-02  Jeff Law  <law@redhat.com>
2013         PR tree-optimization/71328
2014         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2015         error when checking for a jump back onto the copied path.
2017 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2019         * config/microblaze/microblaze.c (get_branch_target): Add return
2020         NULL_RTX for the non-CALL_P case.
2021         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2022         (insert_wic): Remove unused local "j".
2024 2016-06-02  Martin Liska  <mliska@suse.cz>
2026         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2028 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2029             Julia Koval  <julia.koval@intel.com>
2031         * function.c (assign_parm_setup_stack): Force source into a
2032         register if needed.
2033         * target.def (function_incoming_arg): Update documentation to
2034         allow arbitrary address computation based on hard register.
2035         * doc/tm.texi: Regenerated.
2037 2016-06-02  Martin Liska  <mliska@suse.cz>
2039         * predict.c (combine_predictions_for_bb): Fix first match in
2040         cases where a first predictor contains more than one occurence
2041         in list of predictors.  Take the best value in such case.
2043 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2045         PR rtl-optimization/71295
2046         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2047         offset would go over the size of the inner mode reject it.
2049 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2051         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2052         x=x,x and v=v,m instead of x=x,m.
2054         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2055         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2056         alternative to v=rm,C.
2058         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2059         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2060         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2061         instead of vex for the last two above mentioned alternatives.
2063 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2065         PR target/70830
2066         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2068 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2070         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2072 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2074         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2075         from int to unsigned.
2077 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2079         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2080         alternatives, eliminating preferred register class.  Add support
2081         for the MTVSRDD instruction in ISA 3.0.
2082         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2083         reg_or_indexed_operand.
2084         (vsx_splat_v4sf_internal): Likewise.
2086 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2088         PR target/71186
2089         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2090         for loading up all 0's or all 1's.
2092 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2094         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2096 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2098         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2099         extension.
2100         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2101         * gcc.c (set_source_date_epoch_envvar): New function, sets
2102         the SOURCE_DATE_EPOCH environment variable to the current time.
2104 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2106         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2107         the factor for live Phi nodes.
2109 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2111         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2112         * tree-parloops.c (parallelize_loops): likewise.
2113         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2114         tree_unswitch_outer_loop): likewise.
2116 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2118         PR middle-end/71371
2119         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2120         around creation of the temporary.
2122 2016-06-01  Richard Biener  <rguenther@suse.de>
2124         PR tree-optimization/71366
2125         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2126         (unloop_loops): Move removing edges here ...
2127         (try_unroll_loop_completely): ... from here.
2128         (try_peel_loop): ... and here.
2129         (tree_unroll_loops_completely_1): Track parent loops via
2130         bitmap of header BBs.
2131         (tree_unroll_loops_completely): Adjust for that.
2133 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2135         * config/rs6000/altivec.h (vec_slv): New macro.
2136         (vec_srv): New macro.
2137         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2138         (UNSPEC_VSRV): New value.
2139         (vslv): New insn.
2140         (vsrv): New insn.
2141         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2142         (vsrv): New builtin definition.
2143         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2144         define argument types for new builtin.
2145         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2146         new builtin.
2147         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2148         functions.
2150 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2151             Jocelyn Mayer  <l_indien@magic.fr>
2153         PR target/67310
2154         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2155         detect processor family for signature_CENTAUR_ebx.
2156         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2157         signature_CENTAUR_ebx.
2158         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2159         <default>: Pass x86-64 for has_longmode.
2161 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2163         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2164         undefined weak.
2166 2016-06-01  Richard Biener  <rguenther@suse.de>
2168         PR tree-optimization/71261
2169         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2170         of stmts successfully put in the bool pattern.  Remove
2171         single-use restriction.
2172         (adjust_bool_pattern_cast): Add cast at the use site via the
2173         pattern def sequence.
2174         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2175         of patterned defs.  Use the pattern def seqence instead of
2176         multiple independent patterns.
2177         (sort_after_uid): New qsort compare function.
2178         (adjust_bool_stmts): New function to process stmts in the bool
2179         pattern in IL order.
2180         (vect_recog_bool_pattern): Adjust.
2181         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2182         (ifcvt_walk_pattern_tree): Likewise.
2183         (stmt_is_root_of_bool_pattern): Likewise.
2184         (ifcvt_repair_bool_pattern): Likewise.
2185         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2187 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2189         * loop-unroll.c (decide_unroll_constant_iterations,
2190         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2191         likely upper bounds.
2192         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2194 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2196         * tree-core.h (enum omp_clause_code): Remove
2197         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2199 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2201         * config/arm/sync.md (arm_store_exclusive<mode>):
2202         Use 'H' output modifier on operands[2] rather than creating a new
2203         entry in out-of-bounds memory of the operands array.
2204         (arm_store_release_exclusivedi): Likewise.
2206 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2208         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2209         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2210         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2211         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2213 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2215         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2216         into account live statements for mask producers.
2218 2016-06-01  Richard Biener  <rguenther@suse.de>
2220         PR tree-optimization/71311
2221         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2222         restrict to non-INTEGER_CST @0.
2224 2016-06-01  Richard Biener  <rguenther@suse.de>
2226         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2227         (relational patterns): Use :c to avoid pattern duplications.
2229 2016-06-01  Richard Biener  <rguenther@suse.de>
2231         * genmatch.c (comparison_code_p): New predicate.
2232         (swap_tree_comparison): New function.
2233         (commutate): Add for_vec parameter to append new for entries.
2234         Support commutating relational operators by swapping it alongside
2235         operands.
2236         (lower_commutative): Adjust.
2237         (dt_simplify::gen): Do not pass artificial operators to gen
2238         functions.
2239         (decision_tree::gen): Do not add artificial operators as parameters.
2240         (parser::parse_expr): Verify operator commutativity when :c is
2241         applied.  Allow :C to override this.
2242         * match.pd: Adjust patterns to use :C instead of :c where required.
2244 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2246         PR tree-optimization/71077
2247         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2248         the combining step, use boolean_false_node and boolean_true_node
2249         as the designated false/true return values.
2251 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2253         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2254         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2255         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2256         PRED_LOOP_EXIT.
2258 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2260         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2261         of flags impliying the register renaming.
2262         * toplev.c (process_options): Do not imply flag_rename_registers with
2263         loop peeling.
2265 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2267         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2268         default implementation.
2270 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2272         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2274 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2276         * config/sh/constraints.md (b): Remove constraint.
2277         * config/sh/predicates.md (arith_reg_operand): Remove
2278         TARGET_REGISTER_P.
2279         * config/sh/sh-modes.def (PDI): Remove.
2280         * config/sh/sh.c (sh_target_reg_class,
2281         sh_optimize_target_register_callee_saved): Remove functions.
2282         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2283         (sh_expand_epilogue): Update comment.
2284         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2285         sh_secondary_reload): Remove TARGET_REGS related code.
2286         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2287         TARGET_REGISTER_P): Remove macros.
2288         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2289         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2290         TR1_REG, TR2_REG): Remove constants.
2291         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2293 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2295         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2296         define_expand patterns.
2297         (adddi3_compact): Rename to adddi3.
2298         (subdi3_compact): Rename to subdi3.
2299         (*negdi2): Rename to negdi2.
2300         (*abs<mode>2): Rename to abs<mode>2.
2302 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2304         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2305         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2306         (atomic_sub_fetchsi): ... this new pattern.
2307         (mvtc): Add CC_REG clobber.
2309 2016-05-31  Marek Polacek  <polacek@redhat.com>
2311         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2313 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2315         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2316         aarch64_fusion_enabled_p to check for fusion capabilities.
2318 2016-05-31  Richard Biener  <rguenther@suse.de>
2320         PR tree-optimization/71352
2321         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2322         minus one and a negate.
2324 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2326         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2327         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2328         Delete prototype.
2329         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2330         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2331         Remove use of aarch64_simd_attr_length_move, set length attribute
2332         directly.
2333         (*aarch64_be_movoi): Likewise.
2334         (*aarch64_be_movci): Likewise.
2335         (*aarch64_be_movxi): Likewise.
2337 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2339         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2340         It no longer does that.
2341         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2343 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
2345         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2346         attribute __unused__.
2348 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2350         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2351         * config/arm/arm.c (arm_arch_thumb1): Define.
2352         (arm_option_override): Initialize arm_arch_thumb1.
2353         * config/arm/arm.h (arm_arch_thumb1): Declare.
2354         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2355         support Thumb-1 ISA.
2357 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2359         PR target/71346
2360         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2361         `Yv' for scalar operand.
2363 2016-05-31  Tom de Vries  <tom@codesourcery.com>
2365         PR tree-optimization/69068
2366         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2367         phis with more than two args.
2369 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
2371         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2372         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2373         target.
2375 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2377         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2378         tune_64.
2379         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2380         support on SPARC.
2381         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2382         cpu_32, cpu_64, tune_32 and tune_64.
2383         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2385 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2387         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2389 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2391         * auto-profile.c (read_profile): Replace asserts with errors
2392         when file does not exist.
2393         * gcov-io.c (gcov_read_words): Dito.
2395 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2397         * tree-cfg.c (print_loop): Print likely upper bounds.
2399 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2401         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2402         * opts.c (default_options): Enable peel loops at -O3.
2403         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2404         (try_peel_loop): Do not re-peel already peeled loops;
2405         use likely upper bounds; fix profile updating.
2406         (pass_complete_unroll::execute): Initialize peeled_loops.
2408 2016-05-30  Martin Liska  <mliska@suse.cz>
2410         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2411         computed costs by frequency of BB they belong to.
2412         (get_scaled_computation_cost_at): New function.
2414 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2415             Marc Glisse  <marc.glisse@inria.fr>
2417         PR tree-optimization/71289
2418         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2420 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2422         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2424 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2426         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2427         for peeled copies; avoid underflow when updating estimates; correctly
2428         scale loop profile.
2430 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2432         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2433         r236875. Corrected oe3 to oe2 as obvious.
2435 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2437         PR middle-end/71269
2438         PR middle-end/71252
2439         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2440         that inserted stmt will not dominate stmts that defines its operand.
2441         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
2442         (rewrite_expr_tree_parallel): Likewise.
2444 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2446         PR middle-end/71252
2447         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
2448         all fields including stmt_to_insert are swapped.
2450 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2452         * predict.h (force_edge_cold): Declare.
2453         * predict.c (force_edge_cold): New function.
2454         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
2455         updating.
2456         (canonicalize_loop_induction_variables): Fix formating.
2458 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2460         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
2461         (visium_expand_copysign): Use gen_int_mode directly.
2462         (visium_compute_frame_size): Minor tweaks.
2464 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2466         * tree-vect-loop.c (vect_analyze_loop_2): Use
2467         likely_max_stmt_executions_int.
2469 2016-05-30  Tom de Vries  <tom@codesourcery.com>
2471         PR tree-optimization/69067
2472         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
2474 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
2476         PR target/71245
2477         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2478         New peepholes to remove unneeded fild/fistp pairs.
2479         (define_peephole2 atomic_loaddi_fpu): Ditto.
2481 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2483         * predict.c (maybe_hot_frequency_p): Avoid division.
2485 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
2487         * doc/install.texi: Use https for shop.fsf.org.
2489 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2491         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
2492         likely_max_stmt_executions_int.
2494 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2496         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
2497         likely_max_stmt_executions_int.
2499 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2501         * profile.c (compute_branch_probabilities): Do not report hitrates
2502         here.
2503         (branch_prob): Report hitrates here.
2504         * predict.c (gimple_predict_edge): Do not assert profile status;
2505         fix formatting issues.
2507 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2509         * predict.c (edge_predicted_by_p): New function.
2510         (predict_paths_for_bb): Do not put multiple predictions of the same type
2511         on one edge.
2513 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2515         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
2516         commit.
2518 2016-05-28  Alan Modra  <amodra@gmail.com>
2520         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
2522 2016-05-28  Alan Modra  <amodra@gmail.com>
2524         PR rtl-optimization/71275
2525         * ira.c (ira): Free dominance info.
2527 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
2529         * doc/sourcebuild.texi: New address for upstream Go repository.
2531 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2533         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
2534         (TARGET_ARM_V7M): Likewise.
2536 2016-05-26  Jeff Law  <law@redhat.com>
2538         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
2539         (thread_across_edge): Remove calls to find_jump_threads_backwards.
2540         * passes.def: Add jump threading passes before DOM/VRP.
2541         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
2542         argument to a basic block from an edge.  Remove tests which are
2543         handled elsewhere.
2544         (pass_data_thread_jumps, class pass_thread_jumps): New.
2545         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
2546         (make_pass_thread_jumps): Likewise.
2547         * tree-pass.h (make_pass_thread_jumps): Declare.
2549 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2551         * config/visium/visium-protos.h (split_double_move): Rename into...
2552         (visium_split_double_move): ...this.
2553         (visium_split_double_add): Declare.
2554         * config/visium/visium.c (split_double_move): Rename into...
2555         (visium_split_double_move): ...this.
2556         (visium_split_double_add): New function.
2557         (visium_expand_copysign): Renumber operands for consistency.
2558         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
2559         (DFmode move splitter): Likewise.
2560         (*addi3_insn): Split by means of visium_split_double_add.
2561         (*adddi3_insn_flags): Delete.
2562         (*plus_plus_sltu<subst_arith>): New insn.
2563         (*subdi3_insn): Split by means of visium_split_double_add.
2564         (subdi3_insn_flags): Delete.
2565         (*minus_minus_sltu<subst_arith>): New insn.
2566         (*negdi2_insn): Split by means of visium_split_double_add.
2567         (*negdi2_insn_flags): Delete.
2569 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
2571         * configure.ac: Treat a --with-headers option without argument
2572         the same as the default (i.e. consult sys-include directory).
2573         * configure: Regenerate.
2575 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2577         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
2578         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
2579         prototype.
2580         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
2581         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2583 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2585         PR target/63596
2586         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
2587         tree-stdarg analysis results.
2588         (aarch64_setup_incoming_varargs): Likewise.
2590 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2592         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
2593         va_list_gpr_counter_field and va_list_fpr_counter_field.
2595 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
2597         PR67609
2598         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
2599         * config/aarch64/aarch64.c
2600         (aarch64_cannot_change_mode_class): Remove function.
2601         * config/aarch64/aarch64-protos.h
2602         (aarch64_cannot_change_mode_class): Remove.
2604 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2606         * cfgloop.c (record_niter_bound): Record likely upper bounds.
2607         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
2608         get_likely_max_loop_iterations_int): New.
2609         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
2610         any_likely_upper_bound.
2611         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
2612         Declare.
2613         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
2614         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
2615         upper bound.
2616         (unroll_loop_constant_iterations): Likewise.
2617         (unroll_loop_runtime_iterations): Likewise.
2618         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
2619         * lto-streamer-out.c (output_cfg): Likewise.
2620         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
2621         bounds.
2622         (canonicalize_loop_induction_variables): Dump likely upper bounds.
2623         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
2624         (likely_max_loop_iterations): New.
2625         (likely_max_loop_iterations_int): New.
2626         (likely_max_stmt_executions): New.
2627         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
2628         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
2629         likely_max_stmt_executions): Declare.
2631 2016-05-27  Marek Polacek  <polacek@redhat.com>
2633         PR middle-end/71308
2634         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
2636 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2638         * config/s390/s390.md (2x risbg splitters): Use
2639         reg_overlap_mentioned_p instead of rtx_equal_p.
2641 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2643         * combine.c (make_compound_operation): Take known zero bits into
2644         account when checking for possible zero_extend.
2646 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2648         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
2649         Use const_int_operand for operand 2 predicate.  Simplify expand code
2650         as a result.
2652 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
2654         PR middle-end/71279
2655         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
2656         into comparison.
2658 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2660         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
2661         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
2662         that returns CC_SESWPmode and CC_ZESWPmode.
2663         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
2664         and CC_SESWPmode.
2665         (aarch64_rtx_costs): Likewise.
2667 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2669         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2670         for ISA 3.0 min/max support.
2671         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2672         conditional move support.
2673         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2674         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2675         available.
2676         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2677         conditional moves where the comparison type is different from move
2678         type.
2679         (fp_minmax): New code iterator for smin/smax.
2680         (minmax): New code attributes for min/max.
2681         (SMINMAX): Likewise.
2682         (smax<mode>3): Combine min, max insns into one insn using the
2683         fp_minmax code iterator.  Add support for ISA 3.0 min/max
2684         instructions that don't need -ffast-math.
2685         (s<minmax><mode>3): Likewise.
2686         (smax<mode>3_vsx): Likewise.
2687         (smin<mode>3): Likewise.
2688         (s<minmax><mode>3_vsx): Likewise.
2689         (smin<mode>3_vsx): Likewise.
2690         (pre-VSX min/max splitters): Likewise.
2691         (s<minmax><mode>3_fpr): Likewise.
2692         (movsfcc): Rewrite floating point conditional moves to combine
2693         SFmode/DFmode into a single insn.
2694         (mov<mode>cc): Likewise.
2695         (movdfcc): Likewise.
2696         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2697         SFDF2 iterators to handle all combinations.
2698         (fseldfsf4): Likewise.
2699         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2700         (fseldfdf4): Likewise.
2701         (fselsfdf4): Likewise.
2702         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2703         comparison instructions that set a 0/-1 mask, and use it for
2704         floating point conditional move via XXSEL.
2705         (fpmask<mode>): Likewise.
2706         (xxsel<mode>): Likewise.
2707         * config/rs6000/predicates.md (min_max_operator): Delete, no
2708         longer used.
2709         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2710         instructions that generate a 0/-1 mask for use with XXSEL.
2711         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2712         say whether floating point min/max is available, either through
2713         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2714         (TARGET_MINMAX_DF): Likewise.
2716 2016-05-27  Alan Modra  <amodra@gmail.com>
2718         PR rtl-optimization/71275
2719         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
2720         for update_equiv_regs and combine_and_move_insns.
2722 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
2724         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
2725         if_then_else or cond RTXes to calculate attribute value.
2726         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
2727         <attr "length_immediate>: Ditto.
2728         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
2729         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
2730         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
2731         <attr "type">: Ditto.
2732         <attr "prefix_data16">: Ditto.
2733         <attr "prefix_extra">: Ditto.
2734         <attr "length_immediate">: Ditto.
2735         <attr "prefix">: Ditto.
2736         (vec_set<mode>_0) <attr "isa">: Ditto.
2737         <attr "prefix_extra">: Ditto.
2738         <attr "length_immediate">: Ditto.
2739         <attr "prefix">: Ditto.
2740         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
2741         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
2742         (sse2_storelpd) <attr "prefix_data16">: Ditto.
2743         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
2744         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
2745         <attr "length_immediate">: Ditto.
2746         <attr "prefix">: Ditto.
2747         (sse2_movsd) <attr "length_immediate">: Ditto.
2748         <attr "prefix">: Ditto.
2749         (vec_concatv2df)  <attr "isa">: Ditto.
2750         <attr "prefix">: Ditto.
2751         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
2752         (*vec_extractv2di_1) <attr "isa">: Ditto.
2753         <attr "type">: Ditto.
2754         <attr "length_immediate">: Ditto.
2755         <attr "prefix_rex">: Ditto.
2756         <attr "prefix_extra">: Ditto.
2757         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
2758         <attr "prefix_extra">: Ditto.
2759         <attr "length_immediate">: Ditto.
2760         (vec_concatv2di) <attr "isa">: Ditto.
2761         <attr "prefix_extra">: Ditto.
2762         <attr "length_immediate">: Ditto.
2763         <attr "prefix">: Ditto.
2765 2016-05-26  Martin Liska  <mliska@suse.cz>
2767         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
2768         function.
2769         (operator+): Likewise.
2770         (operator-): Likewise.
2771         (comp_cost::operator+=): Likewise.
2772         (comp_cost::operator-=): Likewise.
2773         (comp_cost::operator/=): Likewise.
2774         (comp_cost::operator*=): Likewise.
2775         (operator<): Likewise.
2776         (operator==): Likewise.
2777         (operator<=): Likewise.
2778         (new_cost): Remove.
2779         (infinite_cost_p): Likewise.
2780         (add_costs): Likewise.
2781         (sub_costs): Likewise.
2782         (compare_costs): Likewise.
2783         (set_group_iv_cost): Use the newly introduced functions.
2784         (get_address_cost): Likewise.
2785         (get_shiftadd_cost): Likewise.
2786         (force_expr_to_var_cost): Likewise.
2787         (split_address_cost): Likewise.
2788         (ptr_difference_cost): Likewise.
2789         (difference_cost): Likewise.
2790         (get_computation_cost_at): Likewise.
2791         (determine_group_iv_cost_generic): Likewise.
2792         (determine_group_iv_cost_address): Likewise.
2793         (determine_group_iv_cost_cond): Likewise.
2794         (autoinc_possible_for_pair): Likewise.
2795         (determine_group_iv_costs): Likewise.
2796         (cheaper_cost_pair): Likewise.
2797         (iv_ca_recount_cost): Likewise.
2798         (iv_ca_set_no_cp): Likewise.
2799         (iv_ca_set_cp): Likewise.
2800         (iv_ca_cost): Likewise.
2801         (iv_ca_new): Likewise.
2802         (iv_ca_dump): Likewise.
2803         (iv_ca_narrow): Likewise.
2804         (iv_ca_prune): Likewise.
2805         (iv_ca_replace): Likewise.
2806         (try_add_cand_for): Likewise.
2807         (try_improve_iv_set): Likewise.
2808         (find_optimal_iv_set): Likewise.
2810 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
2812         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
2813         that internal functions will clobber all caller-saved registers.
2815 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2817         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
2818         Return a better case_values_threshold when optimizing.
2820 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2822         * config/aarch64/aarch64-simd.md (aarch64_combinez):
2823         Add ? to integer variant.
2824         (aarch64_combinez_be): Likewise.
2826 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
2828         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
2829         instead of x constraint.
2830         (vcvtps2ph256<mask_name>): Likewise.
2832         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
2833         alternative.  Formatting fix.
2835         * config/i386/sse.md
2836         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
2837         to ...
2838         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
2839         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
2840         maybe_evex prefix instead of vex.
2841         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
2842         EXT_REX_SSE_REG_P (op0) case in the splitter.
2844 2016-05-25  Jeff Law  <law@redhat.com>
2846         PR tree-optimization/71272
2847         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
2848         Update comments.  Add test for empty path.
2850 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
2852         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
2853         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
2854         special case builtin.
2855         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2856         code for ALTIVEC_BUILTIN_VEC_CMPNE.
2857         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2858         for __builtin_vec_cmpne.
2860 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2862         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
2863         redundant test and bail out if the type of the new operand is not
2864         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
2866 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2868         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
2869         (x_ix86_target_flags_explicit): Remove.
2870         * config/i386/i386.c (ix86_function_specific_save): Do not copy
2871         x_ix86_target_flags_explicit.
2872         (ix86_function_specific_restore): Ditto.
2874 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2875             H.J. Lu  <hongjiu.lu@intel.com>
2877         PR target/70738
2878         * common/config/i386/i386-common.c
2879         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
2880         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
2881         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
2882         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
2883         (-mgeneral-regs-only): Add new option.
2884         * config/i386/i386.c (ix86_option_override_internal): Don't enable
2885         x87 instructions if only general registers are allowed.
2886         (ix86_target_string): Add ix86_flags argument. Handle additional
2887         flags options through ix86_flags argument.  Update all callers.
2888         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
2890 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2892         PR rtl-optimization/66940
2893         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
2894         decrementing desired_val will not overflow before performing these
2895         operations.
2897 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
2899         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
2900         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
2901         * config/i386/i386.c (enum ix86_builtins): Add
2902         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
2903         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
2904         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
2905         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
2906         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
2907         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
2908         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
2909         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
2910         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
2911         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
2912         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
2913         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
2914         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
2915         __builtin_ia32_cvtps2dq512_mask.
2916         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
2917         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
2918         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
2919         * config/i386/sse.md
2920         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
2921         Rename to ...
2922         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
2923         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
2924         to ...
2925         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
2926         (avx512f_vec_pack_sfix_v8df): New define_expand.
2927         (avx512f_roundpd512): Rename to ...
2928         (avx512f_round<castmode>512): ... this.  Change iterator.
2929         (avx512f_roundps512_sfix): New define_expand.
2930         (round<mode>2_sfix): Change iterator.
2932 2016-05-25  Nick Clifton  <nickc@redhat.com>
2934         * config/msp430/msp430.c (msp430_attr): Produce an error if a
2935         static interrupt handler is detected.
2936         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
2937         default linker script.
2938         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
2939         the low part of a symbolic pointer.
2941 2016-05-25  Richard Biener  <rguenther@suse.de>
2943         PR tree-optimization/71261
2944         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
2945         interesting stmt instead of immediate uses when looking
2946         for the use operand to replace.
2948 2016-05-25  Martin Liska  <mliska@suse.cz>
2950         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
2952 2016-05-25  Richard Biener  <rguenther@suse.de>
2954         PR tree-optimization/71264
2955         * tree-vect-stmts.c (vect_init_vector): Properly deal with
2956         vector type val.
2958 2016-05-25  Martin Liska  <mliska@suse.cz>
2960         PR tree-optimization/71239
2961         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
2962         if DECL_SIZE is NULL.
2964 2016-05-25  Richard Biener  <rguenther@suse.de>
2966         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
2967         * tree-if-conv.c (pass_data_if_conversion): Use it.
2969 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2971         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
2972         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
2973         * varpool.c (varpool_node::get_availability): Likewise.
2975 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2977         * config/rs6000/altivec.md (VNEG iterator): New iterator for
2978         VNEGW/VNEGD instructions.
2979         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
2980         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
2981         support for ISA 3.0 VNEGW/VNEGD instructions.
2983 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
2985         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
2986         pointers inside OACC_DATA regions.
2987         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
2988         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
2989         (gimplify_adjust_omp_clauses): Fix typo in comment.
2991 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2993         * config/rs6000/altivec.md (VParity): New mode iterator for vector
2994         parity built-in functions.
2995         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
2996         zeros.
2997         (p9v_parity<mode>2): Likewise.
2998         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
2999         parity.
3000         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3001         (parity<mode>2): ISA 3.0 expander for vector parity.
3002         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3003         power9 built-ins.
3004         (BU_P9_64BIT_MISC_0): Likewise.
3005         (BU_P9_MISC_0): Likewise.
3006         (BU_P9V_AV_1): Likewise.
3007         (BU_P9V_AV_2): Likewise.
3008         (BU_P9V_AV_3): Likewise.
3009         (BU_P9V_AV_P): Likewise.
3010         (BU_P9V_VSX_1): Likewise.
3011         (BU_P9V_OVERLOAD_1): Likewise.
3012         (BU_P9V_OVERLOAD_2): Likewise.
3013         (BU_P9V_OVERLOAD_3): Likewise.
3014         (VCTZB): Add vector count trailing zeros support.
3015         (VCTZH): Likewise.
3016         (VCTZW): Likewise.
3017         (VCTZD): Likewise.
3018         (VPRTYBD): Add vector parity support.
3019         (VPRTYBQ): Likewise.
3020         (VPRTYBW): Likewise.
3021         (VCTZ): Add overloaded vector count trailing zeros support.
3022         (VPRTYB): Add overloaded vector parity support.
3023         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3024         overloaded vector count trailing zeros and parity instructions.
3025         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3026         vector parity support.
3027         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3028         trailing zeros support.
3029         (vec_cntlz): Likewise.
3030         (vec_vctzb): Likewise.
3031         (vec_vctzd): Likewise.
3032         (vec_vctzh): Likewise.
3033         (vec_vctzw): Likewise.
3034         (vec_vprtyb): Add ISA 3.0 vector parity support.
3035         (vec_vprtybd): Likewise.
3036         (vec_vprtybw): Likewise.
3037         (vec_vprtybq): Likewise.
3038         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3039         the ISA 3.0 vector count trailing zeros and vector parity built-in
3040         functions.
3042 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3044         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3045         when there is stmt_to_insert.
3047 2016-05-24  Martin Sebor  <msebor@redhat.com>
3049         PR c++/71147
3050         * tree.h (complete_or_array_type_p): New inline function.
3052 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3054         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3055         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3056         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3058         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3059         Limit 1st alternative to noavx isa, split 2nd alternative into one
3060         noavx and one avx alternative, use *x and Bm in the former and
3061         x and m in the latter.
3063         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3064         of sse4 for the first alternative, drop %v from the template
3065         and d operand modifier.  Split second alternative into one sse4_noavx
3066         and one avx alternative, use *x instead of *v in the former and v
3067         instead of *v in the latter.
3068         (*sse4_1_extractps): Use noavx isa instead of * for the first
3069         alternative, drop %v from the template.  Split second alternative into
3070         one noavx and one avx alternative, use *x instead of *v in the
3071         former and v instead of *v in the latter.
3072         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3073         with noavx and the last one with avx.
3074         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3075         split the second one into one noavx and one avx alternative,
3076         use *x and Bm in the former and x and m in the latter one.
3077         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3078         alternatives.
3080         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3081         first two alternatives to noavx, use *x instead of *v in the second
3082         one, add avx alternative without *.
3083         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3084         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3085         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3087 2016-05-24  Jeff Law  <law@redhat.com>
3089         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3090         New function, extracted from...
3091         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3092         Allow simple copies and constant initializations in the SSA chain.
3094 2016-05-24  Marek Polacek  <polacek@redhat.com>
3096         PR c/71249
3097         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3098         scope.
3100 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3102         PR c++/71257
3103         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3104         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3105         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3106         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3107         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3109 2016-05-24  Richard Biener  <rguenther@suse.de>
3111         PR tree-optimization/71240
3112         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3113         has integral type.
3115 2016-05-24  Richard Biener  <rguenther@suse.de>
3117         PR tree-optimization/71230
3118         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3120 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3122         * tree-vectorizer.h (vectorizable_comparison): Delete.
3123         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3124         PURE_SLP_STMT check.
3125         * tree-vect-stmts.c (vectorizable_call): Likewise.
3126         (vectorizable_simd_clone_call): Likewise.
3127         (vectorizable_conversion): Likewise.
3128         (vectorizable_assignment): Likewise.
3129         (vectorizable_shift): Likewise.
3130         (vectorizable_operation): Likewise.
3131         (vectorizable_load): Likewise.
3132         (vectorizable_condition): Likewise.
3133         (vectorizable_store): Likewise.  Assert that we don't have
3134         hybrid SLP.
3135         (vectorizable_comparison): Make static.  Remove redundant
3136         PURE_SLP_STMT check.
3137         (vect_transform_stmt): Assert that we always have an slp_node
3138         if PURE_SLP_STMT.
3140 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3142         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3143         operands[2] against 1 with comparison against CONST1_RTX.
3144         (<shift>di3_neon): Likewise.
3145         * config/arm/predicates.md (const0_operand): Replace with comparison
3146         against CONST0_RTX.
3148 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3150         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3151         operands[2] against 1 with comparison against CONST1_RTX.
3152         (ashrdi3): Likewise.
3153         (lshrdi3): Likewise.
3154         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3155         UINTVAL.
3156         (ashrsi3): Likewise.
3157         (lshrsi3): Likewise.
3158         (rotrsi3): Likewise.
3159         (define_split above *compareqi_eq0): Likewise.
3160         (define_split above "prologue"): Likewise.
3161         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3162         * config/arm/predicates.md (shift_operator): Likewise.
3163         (shift_nomul_operator): Likewise.
3164         (sat_shift_operator): Likewise.
3165         (thumb1_cmp_operand): Likewise.
3166         (const_neon_scalar_shift_amount_operand): Replace manual range
3167         check with IN_RANGE.
3168         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3169         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3171 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3173         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3174         with HOST_WIDE_INT_1.
3175         (insv): Likewise.
3176         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3177         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3178         (arm_canonicalize_comparison): Likewise.
3179         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3180         HOST_WIDE_INT_1.
3181         (thumb1_size_rtx_costs): Likewise.
3182         (vfp_const_double_index): Replace cast of 1 to unsigned
3183         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3184         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3185         HOST_WIDE_INT_1.
3186         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3187         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3188         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3189         HOST_WIDE_INT with HOST_WIDE_INT_1.
3191 2016-05-24  Marek Polacek  <polacek@redhat.com>
3193         * tree-cfg.h (should_remove_lhs_p): New predicate.
3194         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3195         * gimplify.c (gimplify_modify_expr): Likewise.
3196         * tree-cfg.c (verify_gimple_call): Likewise.
3197         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3198         * gimple-fold.c: Include "tree-cfg.h".
3199         (gimple_fold_call): Use should_remove_lhs_p.
3201 2016-05-24  Richard Biener  <rguenther@suse.de>
3203         PR tree-optimization/71253
3204         * cfganal.h (control_dependences): Make robust against edge
3205         and BB removal.
3206         (control_dependences::control_dependences): Remove edge_list argument.
3207         (control_dependences::get_edge): Remove.
3208         (control_dependences::get_edge_src): Add.
3209         (control_dependences::get_edge_dest): Likewise.
3210         (control_dependences::m_el): Make a vector of edge src/dest index.
3211         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3212         (control_dependences::control_dependences): Likewise.
3213         (control_dependences::~control_dependence): Likewise.
3214         (control_dependences::get_edge): Remove.
3215         (control_dependences::get_edge_src): Add.
3216         (control_dependences::get_edge_dest): Likewise.
3217         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3218         get_edge_src.
3219         (perform_tree_ssa_dce): Adjust.
3220         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3221         get_edge_src.
3222         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3223         conditional on changed.
3225 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3227         PR target/69857
3228         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3229         return.  Reindent transformation comment and mention the ARM state
3230         behavior.
3232 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3234         PR middle-end/71252
3235         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3236         after build_and_add_sum creates new use stmt.
3238 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3240         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3241         load_lanes/grouped_load classification comes first.  Don't check
3242         whether the vectorization factor is a multiple of the group size
3243         for load_lanes.
3245 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3247         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3248         GROUP_GAP for single-element interleaving.
3249         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3250         variable.
3252 2016-05-24  Richard Biener  <rguenther@suse.de>
3254         PR middle-end/70434
3255         PR c/69504
3256         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3257         bases which are accessed with non-invariant indices.
3258         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3259         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3261 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3263         PR middle-end/71170
3264         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3265         (add_to_ops_vec): Add stmt_to_insert.
3266         (add_repeat_to_ops_vec): Init stmt_to_insert.
3267         (insert_stmt_before_use): New.
3268         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3269         to ops vector.
3270         (get_ops): Init stmt_to_insert.
3271         (maybe_optimize_range_tests): Likewise.
3272         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3273         (rewrite_expr_tree_parallel): Likewise.
3274         (reassociate_bb): Likewise.
3276 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3278         PR target/71201
3279         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3280         ISA 3.0 xxperm fusion alternative.
3281         (altivec_vperm_v8hiv16qi): Likewise.
3282         (altivec_vperm_<mode>_uns_internal): Likewise.
3283         (vperm_v8hiv4si): Likewise.
3284         (vperm_v16qiv8hi): Likewise.
3286 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3287             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3289         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3290         vpermr/xxpermr on ISA 3.0.
3291         (altivec_expand_vec_perm_le): Likewise.
3292         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3293         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3294         ISA 3.0.
3296 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3298         * config/i386/i386.h (IS_STACK_MODE): Enable for
3299         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3300         SSE_FLOAT_MODE_P macros.
3301         * config/i386/i386.c (ix86_preferred_reload_class): Use
3302         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3303         Cleanup regclass processing for CONST_DOUBLE_P.
3304         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3305         (ix86_rtx_costs): Remove redundant TARGET_80387 check
3306         with IS_STACK_MODE macro.
3307         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3308         with TARGET_SSE2.
3309         (*movdf_internal): Use IS_STACK_MODE macro.
3310         (*movsf_internal): Ditto.
3312 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
3314         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3315         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3317 2016-05-23  Jeff Law  <law@redhat.com>
3319         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3320         extracted from ...
3321         (fsm_find_control_statement_thread_paths): Call it.
3323 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3325         PR ipa/71234
3326         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3327         from_global_constant if t is not NULL.
3329 2016-05-23  Marek Polacek  <polacek@redhat.com>
3331         PR c/49859
3332         * common.opt (Wswitch-unreachable): New option.
3333         * doc/invoke.texi: Document -Wswitch-unreachable.
3334         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3335         warning.
3337 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
3339         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3340         TMR_INDEX is non-NULL.
3342 2016-05-23  Richard Biener  <rguenther@suse.de>
3344         PR tree-optimization/71230
3345         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3346         (try_special_add_to_ops): ... here.  Always test for single-use.
3348 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3350         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3351         default block if a PHI node in the original one would be resized.
3353 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3355         PR tree-optimization/58135
3356         * tree-vect-slp.c: When group size is not multiple
3357         of vector size, allow splitting of store group at
3358         vector boundary.
3360 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
3362         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3364 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
3366         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3367         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3368         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
3369         of 64x2.
3371         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3372         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3373         v constraint instead of x and vinserti32x4 insn.
3375         * config/i386/sse.md (i128vldq): New mode iterator.
3376         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3377         avx512dq and avx512vl alternatives.
3379         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3380         constraint, use maybe_evex prefix instead of vex.
3381         (vec_dupv4sf): Use v constraint instead of x for output
3382         operand except for noavx alternative, use Yv constraint
3383         instead of x for input.  Use maybe_evex prefix instead of vex.
3384         (*vec_dupv4si): Likewise.
3385         (*vec_dupv2di): Likewise.
3387 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3389         PR middle-end/40921
3390         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3391         (linearize_expr_tree): Call try_special_add_to_ops.
3392         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3394 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3396         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3397         to computed stack_usage.
3399 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3401         PR target/71103
3402         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3403         operand is subreg (symbol_ref) then move the symbol ref to register.
3405 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3407         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3409 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3411         PR middle-end/71179
3412         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3413         VECTOR type.
3415 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3417         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3418         ranges by calling get_single_symbol and tidy up.  Look more closely
3419         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3421 2016-05-20  Jeff Law  <law@redhat.com>
3423         * bitmap.c (bitmap_find_bit): Remove useless test.
3425 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3427         * function.c (thread_prologue_and_epilogue_insns): Commit the
3428         insertion of the epilogue.
3430 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3432         PR tree-optimization/70884
3433         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3434         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3435         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3436         of constant pool data as a reason for scalarization.
3438 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3440         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3441         for naked functions.
3442         (thumb1_expand_prologue): Likewise.
3444 2016-05-20  Nathan Sidwell  <nathan@acm.org>
3446         * config/nvptx/nptx.c (nvptx_option_override): Only set
3447         flag_toplevel_reorder, if not explicitly specified.  Set
3448         flag_no_common, unless explicitly specified.
3450 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3452         * calls.c (can_implement_as_sibling_call_p): Mark param
3453         reg_parm_stack_space with ATTRIBUTE_UNUSED.
3455 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
3457         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
3458         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
3459         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
3460         constants.
3461         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
3462         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
3463         and CASE_CONST_ANY.
3465 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
3467         * config/nvptx/nvptx.md (sincossf3): New pattern.
3469 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3471         * calls.c (maybe_complain_about_tail_call): New function.
3472         (initialize_argument_information): Call
3473         maybe_complain_about_tail_call when clearing *may_tailcall.
3474         (can_implement_as_sibling_call_p): Call
3475         maybe_complain_about_tail_call when returning false.
3476         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
3477         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
3478         if tail-call optimization fails.
3479         * cfgexpand.c (expand_call_stmt): Initialize
3480         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
3481         * gimple-pretty-print.c (dump_gimple_call): Dump
3482         gimple_call_must_tail_p.
3483         * gimple.c (gimple_build_call_from_tree): Call
3484         gimple_call_set_must_tail with the value of
3485         CALL_EXPR_MUST_TAIL_CALL.
3486         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
3487         (gimple_call_set_must_tail): New function.
3488         (gimple_call_must_tail_p): New function.
3489         * print-tree.c (print_node): Update printing of TREE_STATIC
3490         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
3491         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
3492         trailing comment listing applicable flags.
3493         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
3495 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3497         * calls.c (expand_call): Move "Rest of purposes for tail call
3498         optimizations to fail" to...
3499         (can_implement_as_sibling_call_p): ...this new function, and
3500         split into multiple "if" statements.
3502 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3504         * cfgloop.h (expected_loop_iterations_unbounded,
3505         expected_loop_iterations): Unconstify.
3506         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
3507         profile with known upper bound; return 3 when profile is absent.
3508         (expected_loop_iterations): Update.
3510 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3512         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
3513         and get_max_loop_iterations_int.
3515 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3517         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
3518         realistic upper bounds here.
3520 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
3522         PR c++/71210
3523         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3524         calls if the LHS is variable length or has addressable type.
3525         If targets[0]->decl is a noreturn call with void return type and
3526         zero arguments, adjust fntype and remove lhs in that case.
3528 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
3530         PR tree-optimization/71079
3531         PR tree-optimization/71206
3532         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
3534 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3536         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
3537         (get_vec_alignment_for_array_decl): Likewise.
3538         (get_vec_alignment_for_record_decl): Likewise.
3539         (increase_alignment::execute): Move code to find alignment to
3540         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
3541         (type_align_map): New hash_map.
3543 2016-05-20  Richard Guenther  <rguenther@suse.de>
3545         PR tree-optimization/29756
3546         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
3547         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
3548         * fold-const.c (operand_equal_p): Likewise.
3549         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
3550         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
3551         * tree-inline.c (estimate_operator_cost): Likewise.
3552         * tree-pretty-print.c (dump_generic_node): Likewise.
3553         * tree-ssa-operands.c (get_expr_operands): Likewise.
3554         * cfgexpand.c (expand_debug_expr): Likewise.
3555         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
3556         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
3557         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
3558         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
3559         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
3560         (execute_update_addresses_taken): Do it.
3562 2016-05-20  Richard Biener  <rguenther@suse.de>
3564         PR tree-optimization/71185
3565         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
3566         register operations.
3568 2016-05-20  Richard Biener  <rguenther@suse.de>
3570         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
3571         gimple_seq_add_seq_without_update.
3572         (release_bb_predicate): Assert we have no operands to free.
3573         (if_convertible_loop_p_1): Calculate post dominators later.
3574         Do not free BB predicates here.
3575         (combine_blocks): Do not recompute BB predicates.
3576         (version_loop_for_if_conversion): Save BB predicates around
3577         loop versioning.
3579 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3581         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
3582         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
3583         code.  Ignore sibcalls on EDGE_IGNORE edges.
3584         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
3585         on edges for sibcalls that run without prologue.  The rest of the
3586         function is combined from...
3587         (fix_fake_fallthrough_edge): ... this, and ...
3588         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
3589         function argument, make it a local variable.
3591 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
3593         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
3594         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
3595         for 32-bit mode and SEH for 64-bit.
3596         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
3597         TARGET_64BIT_DEFAULT.
3599 2016-05-19  Ryan Burn  <contact@rnburn.com>
3601         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
3602         * gengtype.c (open_base_files): Add cilk.h to ifiles.
3604 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
3606         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3607         force pending loads from memory.
3609 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3611         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3612         (UNSPEC_DARN_32): New unspec constant.
3613         (UNSPEC_DARN_RAW): New unspec constant.
3614         (darn_32): New instruction.
3615         (darn_raw): New instruction.
3616         (darn): New instruction.
3617         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3618         support and documentation for this macro.
3619         (BU_P9_MISC_1): New macro definition.
3620         (BU_P9_64BIT_MISC_0): New macro definition.
3621         (BU_P9_MISC_0): New macro definition.
3622         (darn_32): New builtin definition.
3623         (darn_raw): New builtin definition.
3624         (darn): New builtin definition.
3625         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3626         RS6000_BUILTIN_0 directives to surround each occurrence of
3627         #include "rs6000-builtin.def".
3628         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3629         RS6000_BTM_64BIT flags to the returned mask, depending on
3630         configuration.
3631         (def_builtin): Correct an error in the assignments made to the
3632         debugging variable attr_string.
3633         (rs6000_expand_builtin): Add support for no-operand built-in
3634         functions.
3635         (builtin_function_type): Remove fatal_error assertion that is no
3636         longer valid.
3637         (rs6000_common_init_builtins): Add support for no-operand built-in
3638         functions.
3639         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3640         definition.
3641         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3642         definition.
3643         (RS6000_BTM_64BIT): New macro definition.
3644         * doc/extend.texi: Document __builtin_darn (void),
3645         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3646         functions.
3648 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
3650         * tree-vect-loop.c (vect_analyze_loop_2): Use also
3651         max_loop_iterations_int.
3653 2016-05-19  Marek Polacek  <polacek@redhat.com>
3655         PR tree-optimization/71031
3656         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3657         condition and adjust the code a bit.
3659 2016-05-19  Martin Liska  <mliska@suse.cz>
3661         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
3662         auto_vec instead of vec.
3664 2016-05-19  Martin Liska  <mliska@suse.cz>
3666         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
3668 2016-05-19  Martin Liska  <mliska@suse.cz>
3670         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
3672 2016-05-19  Martin Liska  <mliska@suse.cz>
3674         * ipa-pure-const.c (set_function_state): Remove an existing
3675         funct_state.
3676         (remove_node_data): Do not free it as it's released
3677         in set_function_state.
3679 2016-05-19  Martin Liska  <mliska@suse.cz>
3681         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
3682         bitmap.
3684 2016-05-19  Martin Liska  <mliska@suse.cz>
3686         * omp-simd-clone.c (simd_clone_adjust): Release vector.
3688 2016-05-19  Martin Liska  <mliska@suse.cz>
3690         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
3691         an auto_vec instead of re-creating it.
3693 2016-05-19  Martin Liska  <mliska@suse.cz>
3695         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
3696         auto_vec instead of vec.
3698 2016-05-19  Martin Liska  <mliska@suse.cz>
3700         * lto-section-in.c (lto_get_section_data): Call
3701         lto_check_version with additional argument.
3702         * lto-streamer.c (lto_check_version): Add new argument.
3703         * lto-streamer.h (lto_check_version): Likewise.
3705 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3707         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
3708         Don't add cost of inner memory when handling sign-extended loads.
3710 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
3712         PR rtl-optimization/71148
3713         * cse.c (cse_main): Free dominance info.
3714         (rest_of_handle_cse): Don't free dominance info.
3715         (rest_of_handle_cse2): Likewise.
3716         (rest_of_handle_cse_after_global_opts): Likewise.
3718 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3720         PR target/71056
3721         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3722         NULL_TREE early if NEON is not available.  Remove now redundant check
3723         in ARM_CHECK_BUILTIN_MODE.
3725 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
3727         PR sanitizer/64354
3728         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
3729         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
3730         * doc/cpp.texi: Document new macros.
3732 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
3734         PR tree-optimization/69848
3735         * tree-vect-loop.c (vectorizable_reduction): Don't factor
3736         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
3738 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3740         * function.c (thread_prologue_and_epilogue_insn): Move the
3741         "goto epilogue_done" one block later.
3743 2016-05-19  Richard Biener  <rguenther@suse.de>
3745         PR tree-optimization/70729
3746         * passes.def: Move LIM pass before PRE.  Remove no longer
3747         required copyprop and move first DCE out of the loop pipeline.
3749 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
3751         PR driver/69265
3752         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
3753         (OBJS-libcommon-target): ...here.
3754         * opts-common.c: Include spellcheck.h.
3755         (cmdline_handle_error): Build a vec of valid options and use it
3756         to suggest provide hints for misspelled arguments.
3758 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3760         PR c++/71100
3761         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3762         lhs if it has TREE_ADDRESSABLE type.
3764 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
3766         PR target/71145
3767         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3768         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3770 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3772         PR ipa/69708
3773         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
3774         input for NOP_EXPR pass-through functions.
3775         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
3776         aggregate global constant VAR_DECLs in constant jump functions.
3778 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3780         PR ipa/69708
3781         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
3782         from TREE_READONLY parameters.
3784 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3786         PR ipa/69708
3787         * cgraph.h (cgraph_indirect_call_info): New field
3788         guaranteed_unmodified.
3789         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
3790         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3791         appropriate.
3792         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
3793         pass the parameter value to ipa_find_agg_cst_for_param.
3794         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
3795         guaranteed_unmodified, store AA results there instead of bailing out
3796         if present.
3797         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
3798         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
3799         (find_constructor_constant_at_offset): New function.
3800         (ipa_find_agg_cst_from_init): Likewise.
3801         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
3802         static initializers of contants, report back through a new paameter
3803         from_global_constant if that was the case.
3804         (try_make_edge_direct_simple_call): Also pass parameter value to
3805         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3806         appropriate.
3807         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
3808         (ipa_read_indirect_edge_info): Likewise.
3809         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
3810         (ipa_load_from_parm_agg): Likewise.
3812 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
3814         PR rtl-optimization/71150
3815         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
3816         check.
3818 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
3820         PR target/70915
3821         * config/rs6000/constraints.md (wE constraint): New constraint
3822         for a vector constant that can be loaded with XXSPLTIB.
3823         (wM constraint): New constraint for a vector constant of a 1's.
3824         (wS constraint): New constraint for a vector constant that can be
3825         loaded with XXSPLTIB and a vector sign extend instruction.
3826         * config/rs6000/predicates.md (xxspltib_constant_split): New
3827         predicates for wE/wS constraints.
3828         (xxspltib_constant_nosplit): Likewise.
3829         (easy_vector_constant): Add support for constants that can be
3830         loaded via XXSPLTIB.
3831         (all_ones_constant): New predicate for vector constant with all
3832         1's set.
3833         (splat_input_operand): Add support for ISA 3.0 word splat operations.
3834         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
3835         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
3836         instruction and possibly with a sign extension.
3837         (output_vec_const_move): Add support for XXSPLTIB. If we are
3838         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
3839         instead of XXLXOR/XXLORC.
3840         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
3841         operations.
3842         (rs6000_legitimize_reload_address): Likewise.
3843         (rs6000_output_move_128bit): Use output_vec_const_move to emit
3844         constants.
3845         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
3846         combine VSX_M and VSX_M2 into one iterator.
3847         (VSX_M2): Likewise.
3848         (VSINT_84): New iterators for loading constants with XXSPLTIB.
3849         (VSINT_842): Likewise.
3850         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
3851         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
3852         XXSPLTIB instruction.
3853         (xxspltib_<mode>_nosplit): Likewise.
3854         (xxspltib_<mode>_split): New insn to load up constants with
3855         XXSPLTIB and a sign extend instruction.
3856         (vsx_mov<mode>): Replace single move that handled all vector types
3857         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
3858         moves (when -mvsx-timode is in effect) into the main vector
3859         moves.  Eliminate separate moves for <VSr> <VSa>, where the
3860         preferred register class (<VSr>) is listed first, and the
3861         secondary register class (<VSa>) is listed second with a '?' to
3862         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
3863         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
3864         that if the register was involved in a slow operation, the
3865         clear/set operation does not wait for the slow operation to
3866         finish.  Adjust the length attributes for 32-bit mode.  Use
3867         rs6000_output_move_128bit and drop the use of the string
3868         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
3869         spacing so that the alternatives and attributes don't generate
3870         long lines, and put things in columns, so that it is easier to
3871         match up the operands and attributes with the insn alternatives.
3872         (vsx_mov<mode>_64bit): Likewise.
3873         (vsx_mov<mode>_32bit): Likewise.
3874         (vsx_movti_64bit): Fold movti into normal vector moves.
3875         (vsx_movti_32bit): Likewise.
3876         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
3877         splat instructions.
3878         (vsx_splat_v4si_internal): Likewise.
3879         (vsx_splat_v4sf_internal): Likewise.
3880         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
3881         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
3882         extend vector elements.
3883         (vsx_sign_extend_hi_<mode>): Likewise.
3884         (vsx_sign_extend_si_v2di): Likewise.
3885         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
3886         declaration.
3887         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
3888         constraints.  Add trailing period to wL documentation.
3890 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
3892         PR middle-end/71020
3893         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
3894         * tree-dfa.c (replace_abnormal_ssa_names): New function.
3895         * tree-call-cdce.c: Include tree-dfa.h.
3896         (can_guard_call_p): New function, extracted from...
3897         (can_use_internal_fn): ...here.
3898         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
3899         and return void.
3900         (shrink_wrap_one_built_in_call): Likewise.
3901         (use_internal_fn): Likewise.
3902         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
3903         and return void.  Call replace_abnormal_ssa_names.
3904         (pass_call_cdce::execute): Check can_guard_call_p during the
3905         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
3906         will always change something.
3908 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3910         PR ipa/70646
3911         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
3912         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
3914 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3916         PR ipa/70646
3917         * ipa-inline.h (condition): New field size.
3918         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
3919         for comaprison and store it into the new condition.
3920         (evaluate_conditions_for_known_args): Use condition size to check
3921         access sizes for all but CHANGED conditions.
3922         (unmodified_parm_1): New parameter size_p, store access size into it.
3923         (unmodified_parm): Likewise.
3924         (unmodified_parm_or_parm_agg_item): Likewise.
3925         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
3926         (set_cond_stmt_execution_predicate): Extract access sizes and store
3927         them to conditions.
3928         (set_switch_stmt_execution_predicate): Likewise.
3929         (will_be_nonconstant_expr_predicate): Likewise.
3930         (will_be_nonconstant_predicate): Likewise.
3931         (inline_read_section): Stream condition size.
3932         (inline_write_summary): Likewise.
3934 2016-05-18  Richard Biener  <rguenther@suse.de>
3936         * tree-ssa-loop-im.c (determine_max_movement): Properly add
3937         condition cost to PHI cost instead of total_cost.
3939 2016-05-18  Martin Liska  <mliska@suse.cz>
3941         PR fortran/70856
3942         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
3943         merged variables.
3945 2016-05-18  Richard Biener  <rguenther@suse.de>
3947         * lto-streamer.h (LTO_major_version): Bump to 6.
3949 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
3951         * function.c (make_split_prologue_seq, make_prologue_seq,
3952         make_epilogue_seq): New functions, factored out from...
3953         (thread_prologue_and_epilogue_insns): Here.
3955 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
3957         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
3958         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
3959         of before.  Add a comment.
3961 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
3963         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
3964         expression pointer, not pointer to the pointer.
3966 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3968         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
3969         (avx2_pbroadcast<mode>): Add another alternative with v instead
3970         of x constraints in it, using <pbroadcast_evex_isa> isa.
3971         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
3973         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
3974         constraint x instead of v in second alternative, add avx512bw
3975         alternative.
3977         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
3978         constraint x instead of v in second alternative, add avx512bw
3979         alternative.
3981         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
3982         constraint x instead of v in second alternative, add avx512bw
3983         alternative.
3985         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
3986         avx512bw alternative.
3988 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3990         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
3991         array to 128 chars.
3992         (define_insn "*andnottf3"): Ditto.
3993         (define_insn "*<code><mode>3"/any_logic): Ditto.
3994         (define_insn "*<code>tf3"/any_logic): Ditto.
3995         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
3996         operand to block AVX-512VL insn variant emit when it is not enabled.
3998 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4000         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4001         constraint fot SF mode.
4003 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4004             Kirill Yukhin  <kirill.yukhin@intel.com>
4006         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4007         modifiers.
4008         (define_insn "rsqrt14<mode>"): Ditto.
4009         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4010         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4011         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4012         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4013         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4014         Ditto.
4015         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4016         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4017         * config/i386/i386.c (ix86_print_operand): Expand check for size
4018         override codes for Intel syntax.
4020 2016-05-18  Richard Biener  <rguenther@suse.de>
4022         PR tree-optimization/71168
4023         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4024         initialization earlier.
4026 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4028         * config/aarch64/aarch64-simd.md
4029         (aarch64_reduc_plus_internal<mode>): Rename to...
4030         (reduc_plus_scal): ...This, and remove previous implementation.
4032 2016-05-18  Richard Biener  <rguenther@suse.de>
4034         * passes.def: Put late dse and cd_dce in canonical order.
4036 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4038         * ipa-inline-transform.c (preserve_function_body_p): Look for
4039         first non-thunk clone.
4040         (save_function_body): Save into first non-thunk.
4041         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4042         up call stmt id.
4043         (lto_output_node): Inline thunks don't need body in every
4044         partition.
4045         * lto-streamer-in.c: Do not fixup thunk clones.
4046         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4047         thunks.
4048         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4049         folding suceeds.
4051 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4053         PR middle-end/63586
4054         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4055         (reassociate_bb): Call transform_add_to_multiply.
4057 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4059         * config/aarch64/aarch64.c (all_extensions): Removed unused
4060         static variable.
4062 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4064         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4065         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4067 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4069         PR tree-optimization/54579
4070         PR middle-end/55299
4071         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4073 2016-05-17  Marek Polacek  <polacek@redhat.com>
4075         PR ipa/71146
4076         * tree-inline.c (expand_call_inline): Call
4077         maybe_remove_unused_call_args.
4079 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4081         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4082         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4083         * doc/md.texi (fmin@var{m}3): Likewise.
4085 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4087         * match.pd (X & C): New transformation.
4089 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4091         * match.pd (~X & Y): New transformation.
4093 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4095         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4096         information for new SSA_NAME.
4097         (simplify_conversion_using_ranges): Get range through get_range_info
4098         instead of get_value_range.
4100 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4102         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4103         Remove inline assembly.
4104         (vmvn_s16): Likewise.
4105         (vmvn_s32): Likewise.
4106         (vmvn_u8): Likewise.
4107         (vmvn_u16): Likewise.
4108         (vmvn_u32): Likewise.
4109         (vmvnq_s8): Likewise.
4110         (vmvnq_s16): Likewise.
4111         (vmvnq_s32): Likewise.
4112         (vmvnq_u8): Likewise.
4113         (vmvnq_u16): Likewise.
4114         (vmvnq_u32): Likewise.
4115         (vmvn_p8): Likewise.
4116         (vmvnq_p16): Likewise.
4118 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4120         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4121         Use builtin.
4122         (vmul_n_s16): Likewise.
4123         (vmul_n_s32): Likewise.
4124         (vmul_n_u16): Likewise.
4125         (vmul_n_u32): Likewise.
4126         (vmulq_n_f32): Likewise.
4127         (vmulq_n_f64): Likewise.
4128         (vmulq_n_s16): Likewise.
4129         (vmulq_n_s32): Likewise.
4130         (vmulq_n_u16): Likewise.
4131         (vmulq_n_u32): Likewise.
4133 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4135         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4136         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4138 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4140         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4141         to *aarch64_fma4_elt_from_dup<mode>.
4142         (*aarch64_fnma4_elt_to_128df): Rename to
4143         *aarch64_fnma4_elt_from_dup<mode>.
4144         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4145         (vfms_n_f32): Likewise.
4146         (vfms_n_f64): Likewise.
4147         (vfmsq_n_f32): Likewise.
4148         (vfmsq_n_f64): Likewise.
4150 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4152         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4154 2016-05-17  Richard Biener  <rguenther@suse.de>
4156         PR tree-optimization/71132
4157         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4158         Only add control dependences for blocks in the loop.
4159         (build_rdg): Adjust.
4160         (generate_code_for_partition): Return whether loop should
4161         be destroyed and delay that.
4162         (distribute_loop): Likewise.
4163         (pass_loop_distribution::execute): Record loops to be destroyed
4164         and perform delayed destroying of loops.
4166 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4168         PR target/70809
4169         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4171 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4173         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4175 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4177         PR target/71114
4178         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4179         insertion point for instructions generated by validize_mem.
4181 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4183         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4184         in brackets.
4186 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4188         * config/aarch64/aarch64.c
4189         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4190         rather than a macro.
4192 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4194         * doc/invoke.texi (AArch64 Options): Various updates.
4196 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4198         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4199         into instrumentation thunks.
4200         * cif-code.def (CIF_CHKP): New.
4202 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4204         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4206 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4208         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4209         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4211 2016-05-16  Marek Polacek  <polacek@redhat.com>
4213         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4214         commentary.
4216 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4218         PR hsa/70857
4219         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4220         the outlined kernel function.
4222 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4224         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4225         (ISA_HAS_DLSA): Ditto.
4227 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4229         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4231 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4233         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4234         (nvptx_name_replacement): Restore.  Add comment.
4235         (write_fn_proto, write_fn_proto_from_insn,
4236         nvptx_output_call_insn): Restore
4237         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4239 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4241         * config/aarch64/aarch64.md
4242         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4243         (add<mode>3_compareC_imm): Likewise.
4244         (<optab>si3_uxtw): Split into register and immediate variants.
4245         (andsi3_compare0_uxtw): Likewise.
4246         (and<mode>3_compare0): Likewise.
4247         (and<mode>3nr_compare0): Likewise.
4248         (stack_protect_test_<mode>): Don't use %x for memory operands.
4250 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4252         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4254 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4256         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4257         Split integer shifts into shift_reg and bfm.
4258         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4259         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4260         (ror<mode>3_insn): Likewise.
4261         (<optab>si3_insn_uxtw): Likewise.
4262         (<optab><mode>3_insn): Change to rotate_imm.
4263         (extr<mode>5_insn_alt): Likewise.
4264         (extrsi5_insn_uxtw): Likewise.
4265         (extrsi5_insn_uxtw_alt): Likewise.
4267 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4269         * doc/tm.texi: Regenerate.
4270         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4271         (TARGET_INVALID_RETURN_TYPE): Remove.
4272         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4273         TARGET_INVALID_RETURN_TYPE.
4274         * target.def (invalid_parameter_type): Remove.
4275         (invalid_return_type): Remove.
4277 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4279         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4280         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4281         calls from thunk.
4282         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4283         gimple body.
4284         (preserve_function_body_p): No need to preserve function body
4285         * cif-codes.def (CIF_THUNK): Remove.
4286         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4288 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4290         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4292 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4294         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4295         for thunks.
4297 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4299         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4300         (inline_small_functions): Do not look for function symbol when
4301         resetting caches.
4303 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4305         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4306         of inline thunks
4308 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4309             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4310             Jiong Wang  <jiong.wang@arm.com>
4312         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4313         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4314         Define __ARM_FP16_ARGS when appropriate.
4315         * config/arm/arm.c (arm_invalid_parameter_type): Remove
4316         declaration.
4317         (arm_invalid_return_type): Likewise.
4318         (TARGET_INVALID_PARAMETER_TYPE): Remove.
4319         (TARGET_INVALID_RETURN_TYPE): Remove.
4320         (aapcs_vfp_sub_candidate): Allow HFmode.
4321         (aapcs_vfp_allocate): Add comment.  Support HFmode.
4322         (aapcs_vfp_allocate_return_reg): Likewise.
4323         (struct aapcs_cp_arg_layout): Slightly reword comments for
4324         is_return_candidate and allocate_return_reg.
4325         (output_mov_vfp): Update assert.
4326         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4327         condition.
4328         (arm_invalid_parameter_type): Remove.
4329         (amr_invalid_return_type): Remove.
4330         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4331         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4332         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4334 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4336         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4337         * config/aarch64/arch64-protos.h
4338         (aarch64_legitimize_reload_address): Remove.
4339         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4340         Remove.
4342 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
4344         * configure.ac: Add ACX_NONCANONICAL_HOST.
4345         * configure: Regenerate.
4346         * Makefile.in: Set host_noncanonical.
4348 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
4350         PR target/71097
4351         * config/i386/i386.md (*movtf_internal): Before register allocation,
4352         do not allow FP constants for CM_MEDIUM memory model, allow only
4353         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4354         (*movxf_internal): Ditto.
4355         (*movdf_internal): Ditto.
4356         (*movsf_internal): Ditto.
4358 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
4360         PR rtl-optimization/67483
4361         * combine.c (make_compound_operation): Don't call extract_left_shift
4362         with negative shift amounts.
4364 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
4366         PR bootstrap/71071
4367         * fold-const.c (fold_checksum_tree): Allow modification
4368         of TYPE_ALIAS_SET during folding.
4370         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4371         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4372         (ix86_split_to_parts): Likewise.  Fix up formatting.
4374 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4376         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4377         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4378         printf format.
4380 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4382         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4383         (nvptx_name_replacement): Delete.
4384         (write_fn_proto, write_fn_proto_from_insn,
4385         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4386         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4387         * langhooks.c (add_builtin_funcction_common): Call
4388         targetm.mangle_decl_assembler_name.
4390         * config/nvptx/nvptx.c (write_fn_proto): Handle
4391         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4393 2016-05-13  Martin Liska  <mliska@suse.cz>
4395         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4396         and PRIu64 in printf format.
4398 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4400         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4401         comment.
4403 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4405         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4406         Change --param max-completely-peeled-times to
4407         --param max-completely-peel-times in dump file printing.
4409 2016-05-13  Richard Biener  <rguenther@suse.de>
4411         PR tree-optimization/42587
4412         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4413         (find_bswap_or_nop_1): Likewise.
4414         (bswap_replace): Likewise.
4416 2016-05-13  Martin Liska  <mliska@suse.cz>
4418         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4419         Initialize a variable with default value.
4421 2016-05-13  Martin Liska  <mliska@suse.cz>
4423         * doc/invoke.texi: Enhance explanation of error recovery
4424         of sanitizers.
4426 2016-05-13  Martin Liska  <mliska@suse.cz>
4428         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4429         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4430         (iv_inv_expr_ent *).
4431         (struct iv_inv_expr_ent): Comment struct fields.
4432         (sort_iv_inv_expr_ent): New function.
4433         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4434         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4435         a hash_map between iv_inv_expr_ent and number of usages.
4436         (niter_for_exit): Fix coding style.
4437         (tree_ssa_iv_optimize_init): Use renamed variable.
4438         (determine_base_object): Fix coding style.
4439         (alloc_iv): Likewise.
4440         (find_interesting_uses_outside): Likewise.
4441         (add_candidate_1): Likewise.
4442         (add_standard_iv_candidates): Likewise.
4443         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
4444         (prepare_decl_rtl): Fix coding style.
4445         (get_address_cost): Likewise.
4446         (get_shiftadd_cost): Likewise.
4447         (force_expr_to_var_cost): Likewise.
4448         (compare_aff_trees): Likewise.
4449         (get_expr_id): Restructure the function.
4450         (get_loop_invariant_expr_id): Renamed to
4451         get_loop_invariant_expr.
4452         (get_computation_cost_at): Replace usage of inv_expr_id with
4453         inv_expr.
4454         (get_computation_cost): Likewise.
4455         (determine_group_iv_cost_generic): Likewise.
4456         (determine_group_iv_cost_address): Likewise.
4457         (iv_period): Fix coding style.
4458         (iv_elimination_compare_lt): Likewise.
4459         (may_eliminate_iv): Likewise.
4460         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
4461         inv_expr.
4462         (determine_group_iv_costs): Dump invariant expressions.
4463         (iv_ca_recount_cost): Use the newly added hash_map.
4464         (iv_ca_set_remove_invariants): Fix coding style.
4465         (iv_ca_set_add_invariants): Fix coding style.
4466         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
4467         invariants.
4468         (iv_ca_set_cp): Likewise.
4469         (iv_ca_new): Initialize the newly added hash_map and remove
4470         initialization of fields.
4471         (iv_ca_free): Delete the hash_map.
4472         (iv_ca_dump): Dump invariant expressions.
4473         (iv_ca_extend): Fix coding style.
4474         (try_add_cand_for): Likewise.
4475         (create_new_ivs): Dump information about # of avg iterations and
4476         # of used invariant expressions.
4477         (rewrite_use_compare): Fix coding style.
4478         (free_loop_data): Set default value for max_inv_expr_id.
4480 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
4482         * cse.c (rest_of_handle_cse): Use cleanup_cfg
4483         returned value cse_cfg_altered computation.
4484         (rest_of_handle_cse2): Likewise.
4485         (rest_of_handle_cse_after_global_opts): Likewise.
4487 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4489         PR target/53440
4490         * config/arm/arm.c (arm32_output_mi_thunk): New.
4491         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
4492         to split Thumb1 vs TARGET_32BIT functionality.
4493         (arm_thumb1_mi_thunk): New.
4495 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4497         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
4498         to true.
4500 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4502         PR target/71080
4503         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
4505 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
4507         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
4508         (expand_builtin_trap): Emit a regular call.
4509         (set_builtin_user_assembler_name): Remove obsolete cases.
4510         * dse.c (scan_insn): Adjust.
4511         * except.c: Include calls.h.
4512         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
4513         emit a regular call to setjmp.
4514         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
4515         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
4516         (emit_block_move_via_libcall): Delete.
4517         (block_move_fn): Delete.
4518         (init_block_move_fn): Likewise.
4519         (emit_block_move_libcall_fn): Likewise.
4520         (emit_block_op_via_libcall): New function.
4521         (set_storage_via_libcall): Tidy up and use memset builtin.
4522         (block_clear_fn): Delete.
4523         (init_block_clear_fn): Likewise.
4524         (clear_storage_libcall_fn): Likewise.
4525         (expand_assignment): Call emit_block_move_via_libcall.
4526         Do not include gt-expr.h.
4527         * expr.h (emit_block_op_via_libcall): Declare.
4528         (emit_block_copy_via_libcall): New inline function.
4529         (emit_block_move_via_libcall): Likewise.
4530         (emit_block_comp_via_libcall): Likewise.
4531         (block_clear_fn): Delete.
4532         (init_block_move_fn): Likewise.
4533         (init_block_clear_fn): Likewise.
4534         (emit_block_move_via_libcall): Likewise.
4535         (set_storage_via_libcall): Add default parameter value.
4536         * libfuncs.h (enum libfunc_index): Remove obsolete values.
4537         (abort_libfunc): Delete.
4538         (memcpy_libfunc): Likewise.
4539         (memmove_libfunc): Likewise.
4540         (memcmp_libfunc): Likewise.
4541         (memset_libfunc): Likewise.
4542         (setbits_libfunc): Likewise.
4543         (setjmp_libfunc): Likewise.
4544         (longjmp_libfunc): Likewise.
4545         (profile_function_entry_libfunc): Likewise.
4546         (profile_function_exit_libfunc): Likewise.
4547         (gcov_flush_libfunc): Likewise.
4548         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
4549         and DECL_VISIBILITY on the declaration.
4550         (init_optabs): Do not initialize obsolete libfuncs.
4551         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
4552         * tree-core.h (ECF_RET1): Define.
4553         (ECF_TM_PURE): Adjust.
4554         (ECF_TM_BUILTIN): Likewise.
4555         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
4556         (build_common_builtin_nodes): Initialize abort builtin.
4557         Add ECF_RET1 on memcpy, memmove and memset builtins.
4558         Pass final flags for alloca and alloca_with_align builtins.
4559         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
4560         obsolete builtins.
4561         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
4562         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
4563         set_storage_via_libcall and call emit_block_copy_via_libcall.
4565 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
4567         * config/i386/i386.md (*call_got_x32): Change operand 0 to
4568         DImode before it is passed to ix86_output_call_operand.
4569         (*call_value_got_x32): Ditto for operand 1.
4571 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
4573         PR rtl-optimization/70904
4574         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
4575         reload for wide mode.
4577 2016-05-12  Marek Polacek  <polacek@redhat.com>
4579         PR c/70756
4580         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
4581         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
4582         * langhooks.h (incomplete_type_error): Likewise.
4583         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
4584         parameter, pass it down to incomplete_type_error.
4585         * tree.h (size_in_bytes): New inline overload.
4586         (size_in_bytes_loc): Renamed from size_in_bytes.
4588 2016-05-12  Richard Biener  <rguenther@suse.de>
4590         PR tree-optimization/71059
4591         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
4592         nary before looking up or entering the expression into the VN
4593         hashes.
4594         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
4595         Make sure to re-use NARYs without result as inserted by
4596         phi-translation.
4598 2016-05-12  Richard Biener  <rguenther@suse.de>
4600         PR tree-optimization/71062
4601         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4602         field.
4603         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4604         vars_contains_restrict if the var is a restrict tag.
4605         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
4606         do not disambiguate pointers against it.
4607         (dump_points_to_solution): Re-structure and adjust for new
4608         vars_contains_restrict flag.
4609         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
4611 2016-05-12  Martin Liska  <mliska@suse.cz>
4613         * doc/invoke.texi: Explain connection between
4614         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
4616 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
4618         PR tree-optimization/71006
4619         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4620         consider COND_EXPR as a mask producer.
4622 2016-05-12  Marek Polacek  <polacek@redhat.com>
4624         PR driver/71063
4625         * opts.c (common_handle_option): Detect missing argument for --help^.
4627 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4629         PR target/70830
4630         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4631         when popping the PC and within an interrupt handler routine.
4632         Add missing tab to output of "ldmfd".
4633         (output_return_instruction): Output LDMFD with SP update rather
4634         than POP when returning from interrupt handler.
4636 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
4638         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
4639         TARGET_64BIT && TARGET_AVX512DQ.
4640         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
4641         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
4642         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
4643         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
4644         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
4645         (*vec_extractv4si_zext): Add avx512dq alternative.
4646         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
4647         use v instead of x constraint in other alternatives where possible.
4649         * config/i386/sse.md (sse2_loadld): Use v instead of x
4650         constraint in alternatives 0,1,4.
4652         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
4653         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
4654         v constraints instead of x and <pinsr_evex_isa> isa attribute.
4656         PR target/71019
4657         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
4658         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
4659         is not emitted unless TARGET_AVX512BW.
4660         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
4661         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
4662         for the result operand.
4664         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
4665         constraint instead of x in avx alternatives.  Use maybe_evex instead
4666         of vex prefix.
4668         * config/i386/constraints.md (Yv): New constraint.
4669         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
4670         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
4671         * config/i386/i386.md (avx512fvecmode): New mode attr.
4672         (*pushtf): Use v constraint instead of x.
4673         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
4674         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
4675         (*absneg<mode>2): Use Yv constraint instead of x constraint.
4676         (*absnegtf2_sse): Likewise.
4677         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
4678         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
4679         avx512f alternatives.
4680         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
4682 2016-05-12  Richard Biener  <rguenther@suse.de>
4684         PR tree-optimization/71060
4685         * tree-data-ref.c (initialize_data_dependence_relation): Do not
4686         require exact match of DR_BASE_OBJECT but only matching address and
4687         type.
4689 2016-05-12  Richard Biener  <rguenther@suse.de>
4691         PR tree-optimization/70986
4692         * cfganal.c: Include cfgloop.h.
4693         (dfs_find_deadend): Prefer to take edges exiting loops.
4695 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4697         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
4698         compile and run time.
4700 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
4702         PR c/43651
4703         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
4705 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
4707         * config/i386/i386.c (legitimize_pic_address): Use
4708         copy_to_suggested_reg instead of gen_movsi.
4710 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4712         * config/rs6000/predicates.md (quad_memory_operand): Move most of
4713         the code into quad_address_p and call it to share code with
4714         vsx_quad_dform_memory_operand.
4715         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
4716         d-form support.
4717         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
4718         bit instead of being a separate word.  Split -mpower9-dform into
4719         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4720         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
4721         for the register class supporting 128-bit quad word memory offsets.
4722         (mode_supports_vsx_dform_quad): Helper function to return if the
4723         register class uses quad word memory offsets.
4724         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
4725         (rs6000_debug_reg_global): Always print if we are using LRA or not.
4726         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
4727         instructions are enabled, set up the appropriate addr_masks for
4728         128-bit types.
4729         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
4730         -mpower9-dform-scalar, instead of -mpower9-dform.
4731         (rs6000_option_override_internal): Split -mpower9-dform into two
4732         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
4733         -mpower9-dform switch sets or clears both.  If we are not using
4734         the LRA register allocator, do not enable -mpower9-dform-vector by
4735         default.  If we are using LRA, enable -mpower9-dform-vector and
4736         -mvsx-timode if it is appropriate.  Issue a warning if either
4737         -mpower9-dform-vector or -mvsx-timode are explicitly used without
4738         enabling LRA.
4739         (quad_address_offset_p): New helper function to return if the
4740         offset is legal for quad word memory instructions.
4741         (quad_address_p): New function to determin if GPR or vector
4742         register quad word memory addresses are legal.
4743         (mem_operand_gpr): Validate quad word address offsets.
4744         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
4745         d-form (register + offset) instructions.
4746         (offsettable_ok_by_alignment): Likewise.
4747         (rs6000_legitimate_offset_address_p): Likewise.
4748         (legitimate_lo_sum_address_p): Likewise.
4749         (rs6000_legitimize_address): Likewise.
4750         (rs6000_legitimize_reload_address): Add more debug statements for
4751         -mdebug=addr.
4752         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
4753         d-form instructions.
4754         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
4755         d-form instructions.  Distinguish different cases in debug
4756         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
4757         d-form instructions.
4758         (rs6000_preferred_reload_class): Likewise.
4759         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
4760         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
4761         of the ISA 2.06 indexed memory instructions.
4762         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
4763         use them to save/restore the saved vector registers instead of
4764         using Altivec instructions.
4765         (rs6000_emit_epilogue): Likewise.
4766         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
4767         (rs6000_opt_masks): Split -mpower9-dform into
4768         -mpower9-dform-scalar and -mpower9-dform-vector.
4769         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
4770         was not selected.
4771         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
4772         ISA 3.0 vector indexed memory instructions, and fold the code into
4773         the normal mov<mode> patterns.
4774         (p9_vecstore_<mode>): Likewise.
4775         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
4776         instructions.
4777         (vsx_movti_64bit): Likewise.
4778         (vsx_movti_32bit): Likewise.
4779         * config/rs6000/constraints.md (wO constraint): New constraint for
4780         ISA 3.0 vector d-form support.
4781         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
4782         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
4783         include -mpower9-dform-vector until we switch over to LRA.
4784         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
4785         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4786         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
4787         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4788         for -mpower9-dform and -mlra.
4789         * doc/md.texi (wO constraint): Document wO constraint.
4791 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
4793         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
4794         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
4795         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
4796         Move handling of non-insn arguments inline into the sole user:
4797         (output_trans_func): ...here.
4798         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
4799         in emitted function prototype.
4800         (output_internal_insn_latency_func): Ditto.  Simplify.
4801         (output_internal_maximal_insn_latency_func): Ditto.  Delete
4802         always-unused argument.
4803         (output_insn_latency_func): Ditto.
4804         (output_maximal_insn_latency_func): Ditto.
4806 2016-05-11  Richard Biener  <rguenther@suse.de>
4808         PR tree-optimization/71055
4809         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
4810         sth with precision not equal to access size verify we don't chop
4811         off bits.
4813 2016-05-11  Richard Biener  <rguenther@suse.de>
4815         PR debug/71057
4816         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
4817         (dwarf2out_finish): Move retry_incomplete_types call ...
4818         (dwarf2out_early_finish): ... here.
4820 2016-05-11  Richard Biener  <rguenther@suse.de>
4822         PR middle-end/71002
4823         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
4824         if the langhook insists on it.
4825         * fold-const.c (make_bit_field_ref): Add arg for the original
4826         reference and preserve its alias-set.
4827         (decode_field_reference): Take exp by reference and adjust it
4828         to the original memory reference.
4829         (optimize_bit_field_compare): Adjust callers.
4830         (fold_truth_andor_1): Likewise.
4831         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
4833 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
4835         PR middle-end/70807
4836         * cfgrtl.h (delete_insn_and_edges): Now return bool.
4837         * cfgrtl.c (delete_insn_and_edges): Likewise.
4838         * config/i386/i386.c (convert_scalars_to_vector): Remove
4839         redundant code.
4840         * cse.c (cse_insn): Compute cse_cfg_altered.
4841         (delete_trivially_dead_insns): Likewise.
4842         (cse_cc_succs): Likewise.
4843         (rest_of_handle_cse): Free dominance info if required.
4844         (rest_of_handle_cse2): Likewise.
4845         (rest_of_handle_cse_after_global_opts): Likewise.
4847 2016-05-11  Alan Modra  <amodra@gmail.com>
4849         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
4850         abi_v4_pass_in_fpr): New functions.
4851         (rs6000_function_arg_boundary): Exclude complex IBM long double
4852         from 64-bit alignment when ABI_V4.
4853         (rs6000_function_arg, rs6000_function_arg_advance_1,
4854         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
4856 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
4858         PR rtl-optimization/71028
4859         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
4860         jump with just a return in the fallthrough block if the branch
4861         block contains just a return as well.
4863 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
4865         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
4866         * match.pd ((X & Y) ^ Y): ... this.
4867         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
4868         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
4870 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
4872         * read-md.c (require_char_ws): New function.
4873         (read_string): Simplify using require_char_ws.
4874         (handle_constants): Likewise.
4875         (handle_enum): Likewise.
4876         (handle_file): Likewise.
4877         * read-md.h (require_char_ws): New declaration.
4878         * read-rtl.c (read_conditions): Simplify using require_char_ws.
4879         (read_mapping): Likewise.
4880         (read_rtx_code): Likewise.
4881         (read_nested_rtx): Likewise.
4883 2016-05-10  James Norris  <jnorris@codesourcery.com>
4885         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
4886         if offloading is enabled and -fopenacc or -fopenmp is specified.
4887         (CRTOFFLOADEND): Likewise.
4888         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
4889         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
4891 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
4893         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
4894         gotoff_operand code paths.  Use copy_to_suggested_regs and
4895         expand_simple_binop where appropriate.  Cleanup.
4897 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4899         PR target/70799
4900         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
4901         integer constants.
4902         (dimode_scalar_chain::vector_const_cost): New.
4903         (dimode_scalar_chain::compute_convert_gain): Handle constants.
4904         (dimode_scalar_chain::convert_op): Likewise.
4905         (dimode_scalar_chain::convert_insn): Likewise.
4907 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
4909         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
4910         unary operation, not a binary one.
4912 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4914         PR middle-end/70877
4915         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
4916         calls with type casted fndecl.
4918 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4920         PR tree-optimization/70786
4921         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
4922         * calls.c (initialize_argument_information): Bind bounds
4923         with corresponding args passed by reference.
4925 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
4927         PR target/70927
4928         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
4929         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
4930         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
4931         accordingly.
4933 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4935         PR target/70963
4936         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
4937         code for a zero scale factor.
4938         (vsx_xvcvdpuxds_scale): Likewise.
4940 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
4942         * diagnostic-show-locus.c (layout::layout): Call show_ruler
4943         if show_ruler_p was set on the context.
4944         (layout::show_ruler): New method.
4945         * diagnostic.h (struct diagnostic_context): Add field
4946         "show_ruler_p".
4948 2016-05-10  Richard Biener  <rguenther@suse.de>
4950         PR tree-optimization/71039
4951         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
4952         (chk_uses): New function.
4953         (propagate_with_phi): Verify we can safely replicate the lhs of an
4954         aggregate assignment on all incoming edges.
4956 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
4958         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
4959         Forward declare.
4960         (rx_atomic_sequence): New class.
4961         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
4962         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
4963         non-inline.
4964         (rx_atomic_sequence::rx_atomic_sequence,
4965         rx_atomic_sequence::~rx_atomic_sequence): New functions.
4966         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
4967         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
4968         CTRLREG_INTB): New constants.
4969         (FETCHOP): New code iterator.
4970         (fethcop_name, fetchop_name2): New iterator code attributes.
4971         (QIHI): New mode iterator.
4972         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
4973         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
4974         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
4976 2016-05-10  Martin Liska  <mliska@suse.cz>
4978         * tree-inline.c (remap_dependence_clique): Do not remap
4979         debugging statements.
4981 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4983         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
4984         ("*fixuns_truncdfdi2_z13")
4985         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
4986         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
4987         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
4989 2016-05-10  Richard Biener  <rguenther@suse.de>
4991         PR tree-optimization/70497
4992         PR tree-optimization/28367
4993         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
4994         split out from ...
4995         (visit_reference_op_load): ... here.
4996         (vn_reference_lookup_3): Use it to handle subreg-like accesses
4997         with simplified BIT_FIELD_REFs.
4998         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
4999         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5000         correctly.
5002 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5004         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5005         documentation comment.  For BLOCK nodes, add a
5006         DW_AT_abstract_origin attribute that points to the DIE generated
5007         for the origin BLOCK.
5008         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5009         blocks from inlined functions.
5011 2016-05-10  Alan Modra  <amodra@gmail.com>
5013         PR target/70947
5014         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5015         regrename modifying insns saving lr before __morestack call.
5016         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5017         insns restoring lr after __morestack call.
5019 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5021         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5022         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5023         expanders.
5024         * config/i386/sse.md (vec_interleave_high<mode>,
5025         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5026         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5028 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5030         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5031         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5032         parallel reassociation for power8 and forward.
5034 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5036         * config/i386/i386.md (absneg splitters with general regs): Use
5037         general_reg_operand predicate.
5038         (btsq peephole2): Use x86_64_immediate_operand to check if new
5039         value is suitable for immediate operand.  Generate emitted insn
5040         using RTL expressions.
5041         (btcq peephole2): Ditto.
5042         (btrq peephole2): Ditto.  Generate correct immediate operand
5043         for AND masking.
5045 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5047         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5048         bitpos.
5050 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5052         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5053         pointer dereference.
5055 2016-05-09  Richard Biener  <rguenther@suse.de>
5057         PR tree-optimization/70985
5058         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5059         op0 isn't a gimple register.
5061 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5063         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5064         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5065         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5066         (i6400_fpu_mult): New cpu units.
5067         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5068         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5069         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5070         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5071         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5072         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5073         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5074         (i6400_msa_long_float4, i6400_msa_long_float5)
5075         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5076         (i6400_msa_fdiv_sf): New reservations.
5077         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5078         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5079         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5080         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5081         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5082         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5083         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5084         (msa_short_store4, msa_long_load, msa_short_store)
5085         (msa_long_logic, msa_long_float2, msa_long_float4)
5086         (msa_long_float5, msa_long_float8, msa_long_mult)
5087         (msa_long_fdiv, msa_long_div): New reservations.
5089 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5090             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5091             Matthew Fortune  <matthew.fortune@imgtec.com>
5092             Graham Stott  <graham.stott@imgtec.com>
5093             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5095         * config.gcc: Add MSA header file for mips*-*-* target.
5096         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5097         (Ubv8i, Urv8):  New constraints.
5098         * config/mips/mips-ftypes.def: Add function types for MSA
5099         builtins.
5100         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5101         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5102         * config/mips/mips-msa.md: New file.
5103         * config/mips/mips-protos.h
5104         (mips_split_128bit_const_insns): New prototype.
5105         (mips_msa_idiv_insns): Likewise.
5106         (mips_split_128bit_move): Likewise.
5107         (mips_split_128bit_move_p): Likewise.
5108         (mips_split_msa_copy_d): Likewise.
5109         (mips_split_msa_insert_d): Likewise.
5110         (mips_split_msa_fill_d): Likewise.
5111         (mips_expand_msa_branch): Likewise.
5112         (mips_const_vector_same_val_p): Likewise.
5113         (mips_const_vector_same_bytes_p): Likewise.
5114         (mips_const_vector_same_int_p): Likewise.
5115         (mips_const_vector_shuffle_set_p): Likewise.
5116         (mips_const_vector_bitimm_set_p): Likewise.
5117         (mips_const_vector_bitimm_clr_p): Likewise.
5118         (mips_msa_vec_parallel_const_half): Likewise.
5119         (mips_msa_output_division): Likewise.
5120         (mips_ldst_scaled_shift): Likewise.
5121         (mips_expand_vec_cond_expr): Likewise.
5122         * config/mips/mips.c (enum mips_builtin_type): Add
5123         MIPS_BUILTIN_MSA_TEST_BRANCH.
5124         (mips_gen_const_int_vector_shuffle): New prototype.
5125         (mips_const_vector_bitimm_set_p): New function.
5126         (mips_const_vector_bitimm_clr_p): Likewise.
5127         (mips_const_vector_same_val_p): Likewise.
5128         (mips_const_vector_same_bytes_p): Likewise.
5129         (mips_const_vector_same_int_p): Likewise.
5130         (mips_const_vector_shuffle_set_p): Likewise.
5131         (mips_symbol_insns): Forbid loading symbols via immediate for
5132         MSA.
5133         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5134         stores.
5135         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5136         MSA.
5137         (mips_lx_address_p): Add support load indexed address for MSA.
5138         (mips_address_insns): Add calculation of instructions needed for
5139         stores and loads for MSA.
5140         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5141         CONST_VECTOR for MSA and let it fall through.
5142         (mips_ldst_scaled_shift): New function.
5143         (mips_subword_at_byte): Likewise.
5144         (mips_msa_idiv_insns): Likewise.
5145         (mips_legitimize_move): Validate MSA moves.
5146         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5147         calculation of costs for MSA division.
5148         (mips_split_move_p): Check if MSA moves need splitting.
5149         (mips_split_move): Split MSA moves if necessary.
5150         (mips_split_128bit_move_p): New function.
5151         (mips_split_128bit_move): Likewise.
5152         (mips_split_msa_copy_d): Likewise.
5153         (mips_split_msa_insert_d): Likewise.
5154         (mips_split_msa_fill_d): Likewise.
5155         (mips_output_move): Handle MSA moves.
5156         (mips_expand_msa_branch): New function.
5157         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5158         Reinstate 'y' modifier.
5159         (mips_file_start): Add MSA .gnu_attribute.
5160         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5161         FPRs.
5162         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5163         (mips_class_max_nregs): Add register size for MSA supported mode.
5164         (mips_cannot_change_mode_class): Allow conversion between MSA
5165         vector modes and TImode.
5166         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5167         instruction.
5168         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5169         (mips_preferred_simd_mode): Add preffered modes for MSA.
5170         (mips_vector_mode_supported_p): Add MSA supported modes.
5171         (mips_autovectorize_vector_sizes): New function.
5172         (mips_msa_output_division): Likewise.
5173         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5174         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5175         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5176         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5177         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5178         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5179         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5180         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5181         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5182         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5183         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5184         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5185         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5186         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5187         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5188         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5189         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5190         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5191         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5192         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5193         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5194         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5195         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5196         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5197         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5198         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5199         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5200         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5201         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5202         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5203         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5204         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5205         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5206         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5207         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5208         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5209         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5210         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5211         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5212         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5213         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5214         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5215         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5216         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5217         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5218         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5219         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5220         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5221         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5222         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5223         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5224         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5225         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5226         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5227         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5228         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5229         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5230         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5231         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5232         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5233         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5234         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5235         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5236         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5237         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5238         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5239         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5240         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5241         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5242         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5243         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5244         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5245         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5246         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5247         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5248         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5249         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5250         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5251         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5252         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5253         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5254         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5255         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5256         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5257         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5258         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5259         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5260         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5261         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5262         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5263         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5264         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5265         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5266         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5267         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5268         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5269         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5270         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5271         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5272         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5273         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5274         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5275         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5276         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5277         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5278         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5279         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5280         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5281         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5282         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5283         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5284         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5285         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5286         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5287         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5288         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5289         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5290         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5291         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5292         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5293         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5294         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5295         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5296         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5297         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5298         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5299         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5300         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5301         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5302         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5303         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5304         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5305         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5306         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5307         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5308         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5309         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5310         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5311         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5312         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5313         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5314         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5315         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5316         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5317         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5318         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5319         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5320         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5321         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5322         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5323         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5324         move_v builtins.
5325         (mips_get_builtin_decl_index): New array.
5326         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5327         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5328         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5329         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5330         (mips_init_builtins): Initialize mips_get_builtin_decl_index
5331         array.
5332         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5333         hook.
5334         (mips_expand_builtin_insn): Prepare operands for
5335         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5336         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5337         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5338         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5339         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5340         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5341         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5342         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5343         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5344         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5345         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5346         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5347         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5348         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5349         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5350         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5351         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5352         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5353         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5354         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5355         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5356         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5357         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5358         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5359         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5360         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5361         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5362         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5363         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5364         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5365         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5366         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5367         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5368         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5369         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5370         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5371         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5372         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5373         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5374         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5375         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5376         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5377         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5378         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5379         These are set implicitly and an error is reported if overridden.
5380         (mips_expand_builtin_msa_test_branch): New function.
5381         (mips_expand_msa_shuffle): Likewise.
5382         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5383         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5384         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5385         (mips_expand_vec_unpack): Add support for MSA.
5386         (mips_expand_vector_init): Likewise.
5387         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5388         instead of const0_rtx.
5389         (mips_msa_vec_parallel_const_half): New function.
5390         (mips_gen_const_int_vector): Likewise.
5391         (mips_gen_const_int_vector_shuffle): Likewise.
5392         (mips_expand_msa_cmp): Likewise.
5393         (mips_expand_vec_cond_expr): Likewise.
5394         * config/mips/mips.h
5395         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5396         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5397         specified.
5398         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5399         (ISA_HAS_MSA): New macro.
5400         (UNITS_PER_MSA_REG): Likewise.
5401         (BITS_PER_MSA_REG): Likewise.
5402         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5403         (MSA_REG_FIRST): New macro.
5404         (MSA_REG_LAST): Likewise.
5405         (MSA_REG_NUM): Likewise.
5406         (MSA_REG_P): Likewise.
5407         (MSA_REG_RTX_P): Likewise.
5408         (MSA_SUPPORTED_MODE_P): Likewise.
5409         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5410         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5411         * config/mips/mips.md: Include mips-msa.md.
5412         (alu_type): Add simd_add.
5413         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5414         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5415         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5416         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5417         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5418         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5419         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5420         simd_move, simd_load, simd_store.  Choose "multi" for moves
5421         for "qword_mode".
5422         (qword_mode): New attribute.
5423         (insn_count): Add instruction count for quad moves.
5424         Increase the count for MIPS SIMD division.
5425         (UNITMODE): Add UNITMODEs for vector types.
5426         (addsub): New code iterator.
5427         * config/mips/mips.opt (mmsa): New option.
5428         * config/mips/msa.h: New file.
5429         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5430         specified.
5431         * config/mips/mti-linux.h: Likewise.
5432         * config/mips/predicates.md
5433         (const_msa_branch_operand): New constraint.
5434         (const_uimm3_operand): Likewise.
5435         (const_uimm4_operand): Likewise.
5436         (const_uimm5_operand): Likewise.
5437         (const_uimm8_operand): Likewise.
5438         (const_imm5_operand): Likewise.
5439         (aq10b_operand): Likewise.
5440         (aq10h_operand): Likewise.
5441         (aq10w_operand): Likewise.
5442         (aq10d_operand): Likewise.
5443         (const_m1_operand): Likewise.
5444         (reg_or_m1_operand): Likewise.
5445         (const_exp_2_operand): Likewise.
5446         (const_exp_4_operand): Likewise.
5447         (const_exp_8_operand): Likewise.
5448         (const_exp_16_operand): Likewise.
5449         (const_vector_same_val_operand): Likewise.
5450         (const_vector_same_simm5_operand): Likewise.
5451         (const_vector_same_uimm5_operand): Likewise.
5452         (const_vector_same_uimm6_operand): Likewise.
5453         (const_vector_same_uimm8_operand): Likewise.
5454         (par_const_vector_shf_set_operand): Likewise.
5455         (reg_or_vector_same_val_operand): Likewise.
5456         (reg_or_vector_same_simm5_operand): Likewise.
5457         (reg_or_vector_same_uimm6_operand): Likewise.
5458         * doc/extend.texi (MIPS SIMD Architecture Functions): New
5459         section.
5460         * doc/invoke.texi (-mmsa): Document new option.
5462 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5464         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
5465         * configure: Regenerate.
5466         * config.in: Regenerate.
5467         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
5468         on -fvtable-verify.
5469         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
5470         (ENDFILE_VTV_SPEC): Define.
5472 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
5474         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
5475         registers in all interrupt handlers if necessary.
5476         (rl78_option_override): Add warning.
5477         (MUST_SAVE_MDUC_REGISTERS): New macro.
5478         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
5479         * config/rl78/rl78.c (check_mduc_usage): New function.
5480         (mduc_regs): New structure to hold MDUC register data.
5481         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
5482         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
5483         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
5484         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
5485         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
5486         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
5488 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
5490         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
5491         (tree-ssa-loop-niter.h): Ditto.
5492         (idx_within_array_bound, ref_within_array_bound): New functions.
5493         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
5494         Factor out check on writable base object to ...
5495         (base_object_writable): ... here.
5497 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5499         * config/arm/arm.md (probe_stack): Add modes to set source
5500         and destination.
5502 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
5504         * regrename.c (base_reg_class_for_rename): New static function.
5505         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
5507 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
5509         * cgraph.c (thunk_adjust): Export.
5510         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
5511         * cgraphunit.c (thunk_adjust): Export.
5512         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
5513         thunks.
5514         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
5515         inlinable.
5516         * tree-inline.c (expand_call_inline): Expand thunks inline.
5518 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
5520         PR target/70998
5521         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
5522         (*sse2_vd_cvtss2sd): Ditto.
5523         * config/i386/i386.md
5524         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
5525         Generate *sse2_vd_cvtsd2ss pattern.
5526         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
5527         Generate *sse2_vd_cvtss2sd pattern.
5529 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5531         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
5532         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
5533         users.
5535 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5537         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
5538         * config/sh/sh.c: Define and declare variables on first use throughout
5539         the file.
5540         (current_function_interrupt): Change to bool type.
5541         (frame_insn): Rename to emit_frame_insn and update users.
5542         (push_regs): Use bool for 'interrupt_handler' argument.
5543         (save_schedule_s): Remove.
5544         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
5545         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
5546         targetm.asm_out.unaligned_op.di.
5547         (gen_far_branch): Remove redundant forward declaration.
5548         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
5549         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
5550         (sh_set_return_address, sh_function_ok_for_sibcall,
5551         scavenge_reg): Update comments.
5552         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
5553         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
5554         (sh_attr_renesas_p): Remove unnecessary parentheses.
5555         (branch_dest): Simplify.
5556         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
5557         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
5558         (CUMULATIVE_ARGS): Change macro to typedef.
5559         (current_function_interrupt): Change to bool type.
5560         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
5561         Surround with __cplusplus ifdef.
5562         (sh_compare_op0, sh_compare_op1): Remove.
5563         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
5565 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
5567         * config/arm/arm.md: (arch): Add neon.
5568         (arch_enabled): Return yes for arch neon when TARGET_NEON.
5569         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
5570         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
5571         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
5572         attributes for alt renumbering.  Mark alt 3 as non-predicable.
5573         (thumb2_movdf_vfp): Likewise.
5575 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
5577         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
5578         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
5579         (*andqi_1): Add preferred_for_speed attribute to disparage
5580         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
5581         (*<code>qi_1): Ditto.
5582         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
5583         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
5584         (*ashlqi3_1): Ditto.
5585         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
5586         Add preferred_for_size attribute to disparage alternative 0 and
5587         preferred_for_speed attribute to disparage alternative 1 for
5588         TARGET_PARTIAL_REG_STALL targets.
5590 2016-05-07  Tom de Vries  <tom@codesourcery.com>
5592         PR tree-optimization/70956
5593         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
5594         def.
5596 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5598         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
5599         * config/sh/sh.c (sh_cbranch_distance): Implement it.
5600         * config/sh/sh.md (branch_zero): Remove define_attr.
5601         (define_delay): Disable delay slot if branch distance is one insn.
5603 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5605         * config/i386/i386.md (LEAMODE): New mode attribute.
5606         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
5607         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
5608         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
5609         operand 2 predicate.
5610         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
5611         (*lea<mode>_general_3): Ditto.
5612         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
5614 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5616         * genmddump.c (main): Convert argv from char ** to const char **.
5618 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5620         * coretypes.h (OVERRIDE): New macro.
5621         (FINAL): New macro.
5623 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
5625         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
5626         allow coalescing if the types are compatible.
5628 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5630         * pass_manager.h (pass_manager::register_pass_name): New method.
5631         (pass_manager::get_pass_by_name): New method.
5632         (pass_manager::create_pass_tab): New method.
5633         (pass_manager::m_name_to_pass_map): New field.
5634         * passes.c (name_to_pass_map): Delete global in favor of field
5635         "m_name_to_pass_map" of pass_manager.
5636         (register_pass_name): Rename from a function to...
5637         (pass_manager::register_pass_name): ...this method, updating
5638         for renaming of global "name_to_pass_map" to field
5639         "m_name_to_pass_map".
5640         (create_pass_tab): Rename from a function to...
5641         (pass_manager::create_pass_tab): ...this method, updating
5642         for renaming of global "name_to_pass_map" to field.
5643         (get_pass_by_name): Rename from a function to...
5644         (pass_manager::get_pass_by_name): ...this method.
5645         (enable_disable_pass): Convert use of get_pass_by_name to
5646         a method call, locating the pass_manager singleton.
5648 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5650         * genattr-common.c (main): Convert argv from char ** to const char **.
5651         * genattr.c (main): Likewise.
5652         * genattrtab.c (main): Likewise.
5653         * genautomata.c (initiate_automaton_gen): Likewise.
5654         (main): Likewise.
5655         * gencodes.c (main): Likewise.
5656         * genconditions.c (main): Likewise.
5657         * genconfig.c (main): Likewise.
5658         * genconstants.c (main): Likewise.
5659         * genemit.c (main): Likewise.
5660         * genenums.c (main): Likewise.
5661         * genextract.c (main): Likewise.
5662         * genflags.c (main): Likewise.
5663         * genmddeps.c (main): Likewise.
5664         * genopinit.c (main): Likewise.
5665         * genoutput.c (main): Likewise.
5666         * genpeep.c (main): Likewise.
5667         * genpreds.c (main): Likewise.
5668         * genrecog.c (main): Likewise.
5669         * gensupport.c (init_rtx_reader_args_cb): Likewise.
5670         (init_rtx_reader_args): Likewise.
5671         * gensupport.h (init_rtx_reader_args_cb): Likewise.
5672         (init_rtx_reader_args): Likewise.
5673         * gentarget-def.c (main): Likewise.
5674         * read-md.c (read_md_files): Likewise.
5675         * read-md.h (read_md_files): Likewise.
5677 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5679         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
5680         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
5681         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
5682         Remove unused predicate.
5683         (register_and_not_fp_reg_operand): Ditto.
5685 2016-05-06  Martin Liska  <mliska@suse.cz>
5687         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
5688         instead of vec as the vector is local to the function.
5690 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5692         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
5693         avx512bw alternative.
5695         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
5696         before the ashr<mode>3 pattern.
5698         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
5699         v instead of x in vex or maybe_vex alternatives, use
5700         maybe_evex instead of vex in prefix.
5702         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
5703         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
5704         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
5705         in vex or maybe_vex alternatives, use maybe_evex instead of vex
5706         in prefix.
5708         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
5709         v instead of x in vex or maybe_vex alternatives, use
5710         maybe_evex instead of vex in prefix.
5712         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
5713         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
5714         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
5715         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
5716         alternatives, use maybe_evex instead of vex in prefix.
5718         * config/i386/sse.md (vec_interleave_lowv4sf,
5719         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
5720         v instead of x in vex or maybe_vex alternatives, use
5721         maybe_evex instead of vex in prefix.
5723         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
5724         v instead of x in vex or maybe_vex alternatives, use
5725         maybe_evex instead of vex in prefix.
5727         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
5728         v constraint instead of x.
5730 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5732         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
5733         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
5734         equality first.
5736 2016-05-06  Richard Biener  <rguenther@suse.de>
5738         PR tree-optimization/70948
5739         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5740         Properly clobber all fields of va_list for __builtin_va_start.
5742 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
5744         PR debug/70935
5745         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
5746         loop latch destination.
5748 2016-05-06  Martin Liska  <mliska@suse.cz>
5750         * tree-ssa-uninit.c: Apply manual changes
5751         to the GNU coding style.
5752         (prune_uninit_phi_opnds): Rename from
5753         prune_uninit_phi_opnds_in_unrealizable_paths.
5755 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5757         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
5758         mspace): Remove deprecated options.
5759         * doc/invoke.texi (SH options): Remove -mspace.
5761 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5763         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
5765 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5767         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
5768         corresponding combine split pattern.
5770 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5772         PR target/58219
5773         * config/sh/predicates.md (long_displacement_mem_operand): New.
5774         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
5775         Add movi20, movi20s alternatives.  Adjust length attribute for
5776         alternatives.
5777         (movsi_ie): Allow for any FPU.  Adjust length attribute for
5778         alternatives.
5779         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
5780         attribute for alternatives.
5781         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
5782         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
5783         length attribute for alternatives.
5785 2016-05-06  Richard Biener  <rguenther@suse.de>
5787         PR tree-optimization/70960
5788         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
5790 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5792         PR target/52933
5793         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
5794         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
5796 2016-05-06  Marek Polacek  <polacek@redhat.com>
5798         PR sanitizer/70875
5799         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
5801 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5803         PR target/54089
5804         * config/sh/sh.md (*rotcr): Add another variant.
5806 2016-05-06  Richard Biener  <rguenther@suse.de>
5808         PR middle-end/70931
5809         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
5811 2016-05-06  Richard Biener  <rguenther@suse.de>
5813         PR middle-end/70941
5814         * fold-const.c (split_tree): Always convert to the original type
5815         before negating.
5817 2016-05-06  Richard Biener  <rguenther@suse.de>
5819         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
5820         (fwprop_addr): Likewise.
5822 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5824         PR target/70873
5825         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
5826         New prototype.
5827         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
5828         * config/i386/i386.md (push mem splitter): Use find_constant_src in
5829         the splitter condition.
5830         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
5831         the splitter condition.
5832         (FP float_extend load splitter): Ditto.
5834 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
5836         * config/i386/i386.md (peehole2 patterns): Change true_regnum
5837         to REGNO in all peephole2 patterns.
5838         (post-reload splitters): Change true_regnum to REGNO in
5839         post-reload splitters.
5840         (zero_extend splitters): Use general_reg_operand and
5841         nonimmediate_gr_operand predicates.
5843 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
5845         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
5846         v constraint instead of x.
5848 2016-05-05  Alan Modra  <amodra@gmail.com>
5850         PR target/68662
5851         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
5852         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
5853         TARGET_NO_FP_IN_TOC for -mrelocatable.
5854         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
5855         TARGET_RELOCATABLE test.
5856         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5857         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5858         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5859         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5860         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5861         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5862         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5863         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5864         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
5865         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5866         Likewise.
5867         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
5868         (rs6000_stack_info): Likewise.
5869         (rs6000_elf_asm_out_constructor): Likewise.
5870         (rs6000_elf_asm_out_destructor): Likewise.
5871         (rs6000_elf_declare_function_name): Likewise.
5872         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
5873         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
5874         Don't define.
5876 2016-05-05  Alan Modra  <amodra@gmail.com>
5878         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
5880 2016-05-05  Alan Modra  <amodra@gmail.com>
5882         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5883         out-of-line gpr restore for one or two regs if that would add
5884         a save of lr.
5886 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
5888         PR target/70873
5889         * config/i386/i386.md
5890         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
5891         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
5892         as operand 0 predicate.
5893         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
5894         Ditto.
5895         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
5896         Ditto.  Emit the pattern using RTX.
5898         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
5899         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
5900         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
5901         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
5902         Ditto.
5903         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
5904         sse_reg_operand as operand 0 predicate.
5906         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
5907         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
5908         instead of gen_rtx_REG.
5909         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
5910         Ditto.
5912 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5914         * function.c (emit_use_return_register_into_block): Delete.
5915         (gen_return_pattern): Delete.
5916         (emit_return_into_block): Delete.
5917         (active_insn_between): Delete.
5918         (convert_jumps_to_returns): Delete.
5919         (emit_return_for_exit): Delete.
5920         (thread_prologue_and_epilogue_insns): Delete all code dealing with
5921         simple_return for shrink-wrapped blocks.
5922         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
5923         end of blocks that need one.
5924         (get_unconverted_simple_return): Delete.
5925         (convert_to_simple_return): Delete.
5926         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
5927         (convert_to_simple_return): Ditto.
5929 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5931         * cfgcleanup.c (bb_is_just_return): New function.
5932         (try_optimize_cfg): Simplify jumps to return, branches to return,
5933         and branches around return.
5935 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5937         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
5938         branch to a return.
5940 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
5942         PR c++/70906
5943         PR c++/70933
5944         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
5945         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
5946         assert flags & OEP_HASH_CHECK, instead of asserting it
5947         never happens.  Handle TARGET_EXPR.
5948         * fold-const.c (operand_equal_p): For hash verification,
5949         or in OEP_HASH_CHECK into flags.
5951 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
5953         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
5954         comment.
5955         (compute_samebase_partition_bases): Fix typo.
5957 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
5959         * config/i386/sse.md (vec_interleave_highv8sf,
5960         vec_interleave_lowv8sf, vec_interleave_highv4df,
5961         vec_interleave_lowv4df): Remove constraints from expanders.
5963         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
5965 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
5967         * tree-inline.c (expand_call_inline): Fix path dealing with
5968         making lhs of call statement undefined.
5970 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
5972         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
5973         Check availability on NODE, too.
5974         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
5975         (cgraph_node::call_for_symbol_and_aliases): Likewise.
5976         (varpool_node::call_for_symbol_and_aliase): Likewise.
5977         * ipa-pure-const.c (add_new_function): Analyze all bodies.
5978         (propagate_pure_const): Propagate across interposable functions, too.
5979         (skip_function_for_local_pure_const): Do not skip interposable bodies
5980         with aliases.
5981         (pass_local_pure_const::execute): Update.
5983 2016-05-04  Marek Polacek  <polacek@redhat.com>
5985         * doc/invoke.texi: Document -Wdangling-else.
5987 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5989         * config.gcc: Error out when conflicting multilib is detected.  Do not
5990         loop over multilibs since no combination is legal.
5992 2016-05-04  Alan Modra  <amodra@gmail.com>
5994         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
5995         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
5996         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5997         Align .toc.
5999 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6001         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6002         Clean up p5600 comments.
6004 2016-05-04  Richard Biener  <rguenther@suse.de>
6006         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6007         constructor simplifications.
6008         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6010 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6012         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6013         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6014         result.set_rtx is null instead of aborting.
6015         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6016         Always enable.
6017         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6018         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6019         *mov<mode>_store_postinc): New patterns.
6021 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6023         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6024         as commutative.  Check both conversions are NOP.
6025         ((A & B) OP (C & B)): Remove.
6027 2016-05-04  Alan Modra  <amodra@gmail.com>
6029         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6031 2016-05-04  Alan Modra  <amodra@gmail.com>
6033         PR target/70866
6034         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6035         when cr2,3,4 are all fixed regs.
6037 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6039         PR rtl-optimization/57193
6040         * opts.c (default_options_table): Revert OPT_frename_registers change.
6041         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6043 2016-05-03  Martin Sebor  <msebor@redhat.com>
6045         PR c++/66561
6046         * builtins.c (fold_builtin_FILE): New function.
6047         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6048         (fold_builtin_0): Call them.
6049         * gimplify.c (gimplify_call_expr): Remove the handling of
6050         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6052         PR c++/66561
6053         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6054         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6055         constants.
6057         PR c++/66639
6058         * doc/extend.texi (Function Names as Strings): Update __func__,
6059         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6060         constants.
6062 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6063             Richard Biener  <rguenther@suse.de>
6065         PR tree-optimization/70916
6066         * tree-if-conv.c: Include cfganal.h.
6067         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6068         and remove_fake_exit_edges around the optimization pass.
6070 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6072         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6073         (cgraph_edge::make_direct): Likewise.
6074         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6075         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6076         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6077         (CIF_THUNK): New code.
6078         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6079         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6080         (compute_inline_parameters): Set inline_failed for thunks.
6081         (inline_analyze_function): Cleanup.
6082         * ipa-inline.c (can_inline_edge_p): Do not deal with
6083         call_stmt_cannot_inline_p.
6084         (can_early_inline_edge_p): Likewise.
6085         (early_inliner): Initialize inline_failed.
6086         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6088 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6090         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6091         from nonimm_ssenomem_operand.
6092         (nonimm_ssenomem_operand): New predicate.
6093         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6094         as operand 0 predicate.
6095         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6096         Disable unsupported alternatives using "enabled" attribute.
6097         Use register_ssemem_operand as operand 0 predicate.
6098         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6100 2016-05-03  Marek Polacek  <polacek@redhat.com>
6102         PR c/70859
6103         * input.c (expansion_point_location): New function.
6104         * input.h (expansion_point_location): Declare.
6106 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6108         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6109         occurence with frame_offset_ ones.
6111 2016-05-03  Alan Modra  <amodra@gmail.com>
6113         PR rtl-optimization/70890
6114         * ira.c (combine_and_move_insns): When moving def_insn, remove
6115         equivs on use_insn.
6117 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6119         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6120         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6121         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6122         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6124 2016-05-03  Alan Modra  <amodra@gmail.com>
6126         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6127         for SAVE_MULTIPLE/STORE_MULTIPLE.
6129 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6131         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6132         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6134 2016-05-03  Richard Biener  <rguenther@suse.de>
6136         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6137         default true.
6138         (gimplify_arg): Likewise.
6139         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6140         re-writing the result to a decl if required.
6141         (internal_get_tmp_var): Add allow_ssa parameter
6142         and override into_ssa with it.
6143         (get_formal_tmp_var): Adjust.
6144         (get_initialized_tmp_var): Add allow_ssa parameter.
6145         (gimplify_arg): Add allow_ssa parameter and avoid generating
6146         SSA names for the result false.
6147         (gimplify_call_expr): If the call may return twice do not
6148         gimplify parameters into SSA.
6149         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6150         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6151         with a SSA name LHS adjust its def.
6152         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6153         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6154         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6155         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6156         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6157         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6158         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6159         (optimize_target_teams): Do not allow SSA names for clause operands.
6160         (gimplify_expr): Likewise for where we mark the result addressable.
6161         * passes.def (pass_init_datastructures): Remove.
6162         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6163         (rewrite_stmt): Likewise.
6164         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6165         (replace_locals_op): Replace SSA names.
6166         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6167         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6168         * cgraph.c (release_function_body): Free CFG annotations only
6169         when we have a CFG.  Simplify.
6170         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6171         force_gimple_operand instead of get_initialized_tmp_var.
6172         * tree-pass.h (make_pass_init_datastructures): Remove.
6173         * tree-ssa.c (execute_init_datastructures): Remove.
6174         (pass_data_init_datastructures): Likewise.
6175         (class pass_init_datastructures): Likewise.
6176         (make_pass_init_datastructures): Likewise.
6177         * omp-low.c (create_omp_child_function): Init SSA data structures.
6178         (grid_expand_target_grid_body): Likewise.
6179         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6180         name before adding it to names_to_release.
6181         (remove_bb): Always release SSA defs.
6182         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6183         before dereferencing it.
6184         * cgraphunit.c (init_lowered_empty_function): Always
6185         int SSA data structures.
6186         * tree-ssanames.c (release_defs): Remove assert that we are in
6187         SSA form.
6188         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6190 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6191             Uros Bizjak  <ubizjak@gmail.com>
6193         PR rtl-optimization/70467
6194         * config/i386/predicates.md (x86_64_hilo_int_operand,
6195         x86_64_hilo_general_operand): New predicates.
6196         * config/i386/constraints.md (Wd): New constraint.
6197         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6198         (general_hilo_operand): New mode attr.
6199         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6200         instead of <general_operand>.
6201         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6202         x86_64_hilo_general_operand instead of <general_operand>.
6204 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6206         PR tree-optimization/70916
6207         * tree-if-conv.c (constant_or_ssa_name): Removed.
6208         (fold_build_cond_expr): Use is_gimple_val instead of
6209         constant_or_ssa_name.
6211         PR tree-optimization/70916
6212         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6213         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6215         PR target/49244
6216         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6217         (optimize_atomic_bit_test_and): New function.
6218         (pass_fold_builtins::execute): Use it.
6219         * optabs.def (atomic_bit_test_and_set_optab,
6220         atomic_bit_test_and_complement_optab,
6221         atomic_bit_test_and_reset_optab): New optabs.
6222         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6223         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6224         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6225         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6226         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6227         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6228         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6229         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6230         atomic_bit_test_and_complement@var{mode},
6231         atomic_bit_test_and_reset@var{mode}): Document.
6232         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6233         atomic_bit_test_and_complement<mode>,
6234         atomic_bit_test_and_reset<mode>): New expanders.
6235         (atomic_bit_test_and_set<mode>_1,
6236         atomic_bit_test_and_complement<mode>_1,
6237         atomic_bit_test_and_reset<mode>_1): New insns.
6239 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6241         PR rtl-optimization/70687
6242         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6243         instead of unsigned HOST_WIDE_INT.
6245 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6247         PR rtl-optimization/44281
6248         * hard-reg-set.h (struct target_hard_regs): New field
6249         x_fixed_nonglobal_reg_set.
6250         (fixed_nonglobal_reg_set): New macro.
6251         * reginfo.c (init_reg_sets_1): Initialize it.
6252         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6253         of fixed_reg_set.
6254         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6256 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6258         PR tree-optimization/56541
6259         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6260         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6261         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6262         (any_complicated_phi): new static variable.
6263         (aggressive_if_conv): delete.
6264         (if_convertible_phi_p): support phis with more than two arguments.
6265         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6266         critical pred edges.
6267         (ifcvt_split_critical_edges): support phis with more than two
6268         arguments by checking new parameter.  only split critical edges
6269         if needed.
6270         (tree_if_conversion): handle simd pragma marked loop using new
6271         local variable aggressive_if_conv.  check any_complicated_phi.
6273 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6275         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6276         before using it.
6278 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6280         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6281         cbase.
6283 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6285         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6286         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6287         define_insn_and_split.
6288         (mulsi3_i): New define_insn_and_split.
6289         (mulsi3_call): Convert to define_insn.
6290         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6291         Remove constraints.
6293 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6295         * machmode.h (mode_complex): Add support to give the complex mode
6296         for a given mode.
6297         (GET_MODE_COMPLEX_MODE): Likewise.
6298         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6299         stored by build_complex_type and gfc_build_complex_type instead of
6300         trying to figure out the appropriate mode based on the size. Raise
6301         an assertion error, if the type was not set.
6302         * genmodes.c (struct mode_data): Add field for the complex type of
6303         the given type.
6304         (blank_mode): Likewise.
6305         (make_complex_modes): Remember the complex mode created in the
6306         base type.
6307         (emit_mode_complex): Write out the mode_complex array to map a
6308         type mode to the complex version.
6309         (emit_insn_modes_c): Likewise.
6310         * tree.c (build_complex_type): Set the complex type to use before
6311         calling layout_type.
6312         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6313         support for __float128 complex datatypes.
6314         (rs6000_hard_regno_mode_ok): Likewise.
6315         (rs6000_setup_reg_addr_masks): Likewise.
6316         (rs6000_complex_function_value): Likewise.
6317         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6318         __float128 and __ibm128 complex.
6319         (FLOAT128_IBM_P): Likewise.
6320         (ALTIVEC_ARG_MAX_RETURN): Likewise.
6321         * doc/extend.texi (Additional Floating Types): Document that
6322         -mfloat128 must be used to enable __float128.  Document complex
6323         __float128 and __ibm128 support.
6325 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6327         PR target/49244
6328         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6329         char/short arguments promoted to int because of promote_prototypes.
6331 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6333         * config/i386/predicates.md (register_ssemem_operand): New predicate.
6334         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6335         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6336         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
6337         alternatives using "enabled" attribute.  Use register_ssemem_operand
6338         as operand 1 predicate.
6339         (*cmpi<unord>xf_i387): Split XFmode pattern from
6340         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6341         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6342         *absneg<mode>2_i387.  Disable unsupported alternatives using
6343         "enabled" attribute.
6344         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6346 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6348         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6349         marker.
6350         (oacc_loop_process): Check mask for loop termination.
6352 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6354         * cif-code.def (CIF_THUNK): Add.
6355         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6356         accidental change.
6358 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6360         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6361         (dump_inline_summary): Dump it.
6362         (fp_expression_p): New predicate.
6363         (estimate_function_body_sizes): Use it.
6364         (inline_merge_summary): Merge fp_expressions.
6365         (inline_read_section): Read fp_expressions.
6366         (inline_write_summary): Write fp_expressions.
6367         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6368         codegen boundary if either caller or callee is !fp_expressions.
6369         * ipa-inline.h (inline_summary): Add fp_expressions.
6370         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6371         to fp_expressions be sure the fp generation flags are updated.
6373 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6375         PR rtl-optimization/70467
6376         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6378         PR rtl-optimization/70467
6379         * ipa-pure-const.c (check_call): Handle internal calls even in
6380         ipa mode like in local mode.
6382 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6384         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6386 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6388         * match.pd (X u< X, X u> X): New transformations.
6390 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6392         * flag-types.h (enum warn_strict_overflow_code): Move ...
6393         * coretypes.h: ... here.
6394         * fold-const.h (fold_overflow_warning): Declare.
6395         * fold-const.c (fold_overflow_warning): Make non-static.
6396         (fold_comparison): Move the transformation of X +- C1 CMP C2
6397         into X CMP C2 -+ C1 ...
6398         * match.pd: ... here.
6399         * gimple-fold.c (fold_stmt_1): Protect with
6400         fold_defer_overflow_warnings.
6402 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6404         * omp-low.c (struct oacc_loop): Add 'inner' field.
6405         (new_oacc_loop_raw): Initialize it to zero.
6406         (oacc_loop_fixed_partitions): Initialize it.
6407         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6408         available partitioning.
6410 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6412         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6413         register_operand.
6414         (umulsidi3): Likewise.
6415         (indirect_jump): Fix jump instruction assembly patterns.
6417 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6419         PR target/70860
6420         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6421         (nvptx_function_value): Assert non-NULL cfun.
6423 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6425         PR rtl-optimization/70886
6426         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6428         * cselib.h (rtx_equal_for_cselib_1): Declare.
6429         (rtx_equal_for_cselib_p: New inline function.
6430         * cselib.c (rtx_equal_for_cselib_p): Delete.
6431         (rtx_equal_for_cselib_1): Make public.
6433 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6435         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6436         (register_mixssei387nonimm_operand): Remove predicate.
6437         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6438         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6439         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6440         for TARGET_MIX_SSE_I387 alternatives.
6441         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
6442         Disable unsupported alternatives using "enabled" attribute.  Use
6443         nonimm_ssenomem_operand as operand 1 predicate.  Also check
6444         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
6446 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6448         * tree.c (cst_and_fits_in_hwi): Simplify.
6450 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6452         * tree.h (wi::to_wide): New function.
6453         * expr.c (expand_expr_real_1): Use wi::to_wide.
6454         * fold-const.c (int_const_binop_1): Likewise.
6455         (extract_muldiv_1): Likewise.
6457 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6459         * wide-int.h: Update offset_int and widest_int documentation.
6460         (WI_SIGNED_SHIFT_RESULT): New macro.
6461         (wi::binary_shift): Define signed_shift_result_type for
6462         shifts on offset_int- and widest_int-like types.
6463         (generic_wide_int): Support <<= and >>= if << and >> are supported.
6464         * tree.h (int_bit_position): Use shift operators instead of wi::
6465          shifts.
6466         * alias.c (adjust_offset_for_component_ref): Likewise.
6467         * expr.c (get_inner_reference): Likewise.
6468         * fold-const.c (fold_comparison): Likewise.
6469         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
6470         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
6471         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6472         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
6473         (stmt_kills_ref_p): Likewise.
6474         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
6475         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6476         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6477         (ao_ref_init_from_vn_reference): Likewise.
6479 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6481         * wide-int.h: Update offset_int and widest_int documentation.
6482         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
6483         (wi::binary_traits): Allow ordered comparisons between offset_int and
6484         offset_int, between widest_int and widest_int, and between either
6485         of these types and basic C types.
6486         (operator <, <=, >, >=): Define for the same combinations.
6487         * tree.h (tree_int_cst_lt): Use comparison operators instead
6488         of wi:: comparisons.
6489         (tree_int_cst_le): Likewise.
6490         * gimple-fold.c (fold_array_ctor_reference): Likewise.
6491         (fold_nonarray_ctor_reference): Likewise.
6492         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
6493         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
6494         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
6495         * tree-sra.c (completely_scalarize): Likewise.
6496         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
6497         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
6498         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
6499         (check_for_binary_op_overflow): Likewise.
6500         (search_for_addr_array): Likewise.
6501         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
6503 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6505         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
6506         (arc_save_restore): Likewise.
6507         (arc_dwarf_register_span): Likewise.
6508         (arc_output_pic_addr_const): Initialize suffix variable.
6510 2016-05-02  Martin Liska  <mliska@suse.cz>
6512         * symbol-summary.h (function_summary::function_summary):
6513         Remove checking assert for all cgraph nodes.
6514         (function_summary::get): Check summary_uid.
6515         (symtab_insertion): Check summary_uid.
6517 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6519         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
6520         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
6521         bmaskn instruction.
6522         (arc_dwarf_register_span): Remove enum keyword.
6523         (compact_memory_operand_p): New function.
6524         * config/arc/arc.h (reg_class): Add code density register classes.
6525         (REG_CLASS_NAMES): Likewise.
6526         (REG_CLASS_CONTENTS): Likewise.
6527         * config/arc/arc.md (*movqi_insn): Add code density instructions.
6528         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
6529         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
6530         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
6531         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
6532         constraints.
6533         (h, Rcd, Rsd, Rzd): New register constraints.
6534         (T): Use compact_memory_operand_p function.
6535         * config/arc/predicates.md (compact_load_memory_operand): Remove.
6537 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6539         * config/sh/sh.md (*negnegt, *movtt): Remove.
6541 2016-05-02  Marek Polacek  <polacek@redhat.com>
6542             Tom de Vries  <tom@codesourcery.com>
6544         PR tree-optimization/70700
6545         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
6546         bigger than FIRST_REF_NODE.
6548 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6550         PR target/52898
6551         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
6552         TARGET_CMPEQDI_T.
6553         (prepare_cbranch_operands): Don't use scratch register.  Assume that
6554         function is used when pseudos can be created.
6555         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
6556         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
6557         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
6558         define_expand.  Allow it only when pseudos can be created.
6559         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
6561 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
6563         * config/i386/constraints.md (BC): Only allow -1 operands.
6564         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
6565         Add "enabled" attribute.  Update XI mode attribute calculation.
6566         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
6567         (*movoi_internal_avx): Update XI mode attribute calculation.
6568         (*movti_internal): Ditto.
6570 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6572         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
6573         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6575 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
6577         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
6578         statement on instruction code.  Remove trailing spaces.
6579         (altivec_expand_stv_builtin): Likewise.
6581 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6583         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
6584         (TARGET_FPU_DOUBLE): Simplify.
6585         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6586         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
6587         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
6588         with 'TARGET_FPU_DOUBLE'.
6589         * config/sh/sh.md: Likewise.
6591 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
6593         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
6594         SH_DIV_STR_FOR_SIZE): Remove.
6595         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
6596         SH_DIV_STR_FOR_SIZE): Remove.
6598 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6600         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
6601         logical_reg_operand): Delete.
6602         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
6603         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
6604         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
6605         match_operand and match_test.
6606         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
6607         variables on their first use.  Return bool values.
6608         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
6609         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
6610         arith_reg_operand for input operand.  Remove empty constraints.
6611         (xorsi3): Delete.
6612         (*xorsi3_compact): Rename to xorsi3.
6613         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
6614         (*zero_extend<mode>si2_disp_mem): Update comment.
6615         (mov_nop): Delete.
6617 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6619         * config/sh/t-sh: Remove SH5 support.
6620         * config.gcc: Likewise.
6621         * configure: Likewise.
6623 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6625         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
6627 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6629         * config/sh/sh.c (register_sh_passes, sh_option_override,
6630         sh_print_operand, prepare_move_operands,
6631         sh_can_follow_jump): Remove TARGET_SH1 checks.
6632         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
6633         PROMOTE_MODE): Likewise.
6634         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
6635         movdi): Likewise.
6637 2016-04-30  Alan Modra  <amodra@gmail.com>
6639         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
6640         restoring when fixed_reg_p, but allow out-of-line or stmw save.
6641         Check for user regs later to avoid unnecessary looping over regs.
6642         Merge user reg check with non-saved reg check.  Don't force
6643         inline VR restore when static chain used.
6644         (rs6000_frame_related): Omit eh_frame info for user regs when
6645         saving.
6646         (fixed_regs_p): Delete.
6648 2016-04-30  Alan Modra  <amodra@gmail.com>
6650         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
6651         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
6652         Update all uses.
6654 2016-04-30  Alan Modra  <amodra@gmail.com>
6656         PR target/69645
6657         * config/rs6000/rs6000.c (fixed_reg_p): New function.
6658         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
6659         Update all uses.
6661 2016-04-30  Alan Modra  <amodra@gmail.com>
6663         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
6664         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
6665         flag_pic test for Darwin.
6667 2016-04-30  Alan Modra  <amodra@gmail.com>
6669         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
6670         throw_calls_crossed.
6671         (REG_FREQ_CALLS_CROSSED): Delete.
6672         (REG_N_THROWING_CALLS_CROSSED): Delete.
6673         * regstat.c (regstat_bb_compute_ri): Don't calculate
6674         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
6675         (dump_reg_info): Don't print call cross frequency.
6676         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
6677         and REG_N_THROWING_CALLS_CROSSED.
6679 2016-04-30  Alan Modra  <amodra@gmail.com>
6681         * regs.h (struct reg_info_t): Delete live_length.
6682         (REG_LIVE_LENGTH): Delete macro.
6683         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
6684         local_live, local_processed and local_live_last_luid params.
6685         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
6686         Formatting fixes.
6687         (regstat_compute_ri): Adjust for above.  Don't set
6688         REG_LIVE_LENGTH.
6689         (dump_reg_info): Don't print live length.
6690         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
6691         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
6692         Localize loop_depth var.
6694 2016-04-30  Alan Modra  <amodra@gmail.com>
6696         * ira.c (enum valid_equiv): New.
6697         (validate_equiv_mem): Return enum.
6698         (update_equiv_mem): Create replacement in more cases.
6699         (add_store_equivs): Update validate_equiv_mem call.
6701 2016-04-30  Alan Modra  <amodra@gmail.com>
6703         * ira.c (combine_and_move_insns): Rather than scanning insns,
6704         use DF infrastucture to find use and def insns.
6706 2016-04-30  Alan Modra  <amodra@gmail.com>
6708         ira.c (combine_and_move_insns): Move invariant conditions..
6709         (ira.c): ..to here.  Call combine_and_move_insns before
6710         add_store_equivs.  Call grow_reg_equivs later.  Allocate
6711         req_equiv later using max_reg_num() rather than global max_regno.
6712         (contains_replace_regs): Delete.
6713         (add_store_equivs): Remove contains_replace_regs test.
6715 2016-04-30  Alan Modra  <amodra@gmail.com>
6717         * ira.c (struct equiv_mem_data): New.
6718         (equiv_mem, equiv_mem_modified): Delete static vars.
6719         (validate_equiv_mem_from_store): Use "data" param to communicate..
6720         (validate_equiv_mem): ..from here.
6722 2016-04-30  Alan Modra  <amodra@gmail.com>
6724         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
6725         split out from..
6726         (update_reg_equivs): ..here.  Move allocation and freeing of
6727         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
6728         end_alias_analysis to..
6729         (ira): ..here.
6731 2016-04-30  Alan Modra  <amodra@gmail.com>
6733         * ira.c (pdx_subregs): Delete.
6734         (struct equivalence): Add pdx_subregs field.
6735         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
6736         pdx_subregs access.
6737         (update_equiv_regs): Don't create or free pdx_subregs.  Update
6738         pdx_subregs access.
6740 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6742         * config/rs6000/altivec.h: Change definitions of vec_xl and
6743         vec_xst.
6744         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
6745         (LD_ELEMREV_V2DI): New.
6746         (LD_ELEMREV_V4SF): New.
6747         (LD_ELEMREV_V4SI): New.
6748         (LD_ELEMREV_V8HI): New.
6749         (LD_ELEMREV_V16QI): New.
6750         (ST_ELEMREV_V2DF): New.
6751         (ST_ELEMREV_V2DI): New.
6752         (ST_ELEMREV_V4SF): New.
6753         (ST_ELEMREV_V4SI): New.
6754         (ST_ELEMREV_V8HI): New.
6755         (ST_ELEMREV_V16QI): New.
6756         (XL): New.
6757         (XST): New.
6758         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6759         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
6760         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
6761         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
6762         (altivec_expand_builtin): Add handling for
6763         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
6764         (rs6000_invalid_builtin): Add error-checking for
6765         RS6000_BTM_P9_VECTOR.
6766         (altivec_init_builtins): Define builtins used to implement vec_xl
6767         and vec_xst.
6768         (rs6000_builtin_mask_names): Define power9-vector.
6769         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
6770         (RS6000_BTM_P9_VECTOR): Define.
6771         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
6772         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
6773         (vsx_ld_elemrev_v2df): Likewise.
6774         (vsx_ld_elemrev_v4sf): Likewise.
6775         (vsx_ld_elemrev_v4si): Likewise.
6776         (vsx_ld_elemrev_v8hi): Likewise.
6777         (vsx_ld_elemrev_v16qi): Likewise.
6778         (vsx_st_elemrev_v2df): Likewise.
6779         (vsx_st_elemrev_v2di): Likewise.
6780         (vsx_st_elemrev_v4sf): Likewise.
6781         (vsx_st_elemrev_v4si): Likewise.
6782         (vsx_st_elemrev_v8hi): Likewise.
6783         (vsx_st_elemrev_v16qi): Likewise.
6784         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
6785         grammar.
6787 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
6789         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
6790         out into ...
6791         (simplify_control_stmt_condition_1): ... here.  Recurse into
6792         BIT_AND_EXPRs and BIT_IOR_EXPRs.
6794 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
6796         PR target/69810
6797         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
6798         (zero_extendqi<mode>2_dot): Revert earlier conversion from
6799         define_insn_and_split to define_insn.
6800         (zero_extendqi<mode>2_dot2): Same.
6801         (extendqi<mode>2_dot): Same.
6802         (extendqi<mode>2_dot2): Same.
6804 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6806         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
6807         (probe_stack): New expander.
6808         (probe_stack_<mode>): New insn pattern.
6810 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6812         * config/i386/i386.md
6813         (operations with memory inputs setting flags peephole2):
6814         Remove uneeded REG_P checks.  Cleanup pattern generation.
6816 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
6818         * tree-vect-loop.c (vect_transform_loop): Fix
6819         nb_iterations_upper_bound computation for vectorized loop.
6821 2016-04-29  Marek Polacek  <polacek@redhat.com>
6822             Jakub Jelinek  <jakub@redhat.com>
6824         PR sanitizer/70342
6825         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
6826         TARGET_EXPR_SLOT as a base.
6828 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
6830         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
6831         with 'rCm2' constraints to limit possible immediate size.
6832         (*load_zeroextendqisi_update): Likewise.
6833         (*load_signextendqisi_update): Likewise.
6834         (*loadhi_update): Likewise.
6835         (*load_zeroextendhisi_update): Likewise.
6836         (*load_signextendhisi_update): Likewise.
6837         (*loadsi_update): Likewise.
6838         (*loadsf_update): Likewise.
6840 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6842         * config/i386/predicates.md (constm1_operand): Fix comparison.
6844 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6846         * testsuite/gcc.target/arc/ieee_eq.c: New test.
6848 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
6850         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
6851         remaining SH5 related settings.
6852         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
6853         shmedia_prepare_call_address): Delete.
6854         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
6855         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
6856         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
6857         UNSUPPORTED_SH2A): Remove m5 checks.
6858         (sh_divide_strategy_e): Remove SH5 division strategies.
6859         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
6860         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
6862 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6864         * config/s390/s390.c (s390_rtx_costs): Update documentation.
6866 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6868         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
6869         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
6870         Change lder to ldr.
6871         * config/s390/vector.md ("mov<mode>"): Likewise.
6873 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
6875         * config/s390/constraints.md ("U", "W"): Invoke
6876         s390_mem_constraint with "ZR" and "ZT".
6877         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
6878         addresses when using LRA.  Accept also short displacements for S
6879         and T constraints.  Do not check for long displacement target for
6880         S and T constraints.
6881         (s390_mem_constraint): Remove handling of U and W constraints.
6882         * config/s390/s390.md (various patterns): Remove the short
6883         displacement constraints (Q and R) if a long displacement
6884         constraint is present.  Add longdisp as required CPU capability.
6885         * config/s390/vector.md: Likewise.
6886         * config/s390/vx-builtins.md: Likewise.
6888 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6890         PR target/60040
6891         * reload1.c (reload): Call finish_spills before
6892         restarting reload loop. Skip select_reload_regs
6893         if update_eliminables_and_spill returns true.
6895 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6897         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
6898         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
6899         (umulhisi3_imm): Update predicates and constraint letters.
6900         (umulhisi3_reg): Declare instruction as commutative.
6901         * config/arc/constraints.md (J12, J16): New constraints.
6902         * config/arc/predicates.md (short_unsigned_const_operand): New
6903         predicate.
6904         (arc_short_operand): Likewise.
6905         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
6907 2016-04-29  Richard Biener  <rguenther@suse.de>
6909         PR tree-optimization/13962
6910         PR tree-optimization/65686
6911         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
6912         * tree-ssa-alias.c (ptrs_compare_unequal): New function
6913         using PTA to compare pointers.
6914         * match.pd: Add pattern for pointer equality compare simplification
6915         using ptrs_compare_unequal.
6917 2016-04-29  Richard Biener  <rguenther@suse.de>
6919         * stor-layout.c (layout_type): Do not build a pointer-to-element
6920         type for arrays.
6922 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6924         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
6925         Use SWI mode iterator.  Use general_reg_operand predicate.
6926         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
6927         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
6928         predicates.
6930 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
6932         PR middle-end/70843
6933         * fold-const.c (operand_equal_p): Don't verify hash value equality
6934         if arg0 == arg1.
6935         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
6936         and OMP_CLAUSE.
6938 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
6940         PR target/70858
6941         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
6942         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
6943         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
6944         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
6945         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
6947 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
6949         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
6950         to info.  Don't initialize separate fields to 0.  Clean up
6951         formatting a bit.
6953 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
6955         * config/i386/i386.md (peephole2s for operations with memory inputs):
6956         Use SWI mode iterator.
6957         (peephole2s for operations with memory outputs): Ditto.
6958         Do not check for stack checking probe.
6960         (probe_stack): Remove expander.
6962 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6963             Andrew Burgess  <andrew.burgess@embecosm.com>
6965         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
6966         operands as 32-bits.
6968 2016-04-28  Jason Merrill  <jason@redhat.com>
6970         * gdbinit.in: Skip line-map.h.
6972 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6973             Andrew Burgess  <andrew.burgess@embecosm.com>
6975         * config/arc/arc.c (arc_conditional_register_usage): Take
6976         TARGET_RRQ_CLASS into account.
6977         (arc_print_operand): Support printing 'p' and 's' operands.
6978         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
6979         as 0.
6980         (TARGET_RRQ_CLASS): Define.
6981         (IS_POWEROF2_OR_0_P): Define.
6982         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
6983         alternatives.
6984         (*tst_movb): New define_insn.
6985         (*tst): Avoid recognition if it could prevent '*tst_movb'
6986         combination; replace c/CnL with c/Chs alternative.
6987         (*tst_bitfield_tst): New define_insn.
6988         (*tst_bitfield_asr): New define_insn.
6989         (*tst_bitfield): New define_insn.
6990         (andsi3_i): Add Rrq variant.
6991         (extzv): New define_expand.
6992         (insv): New define_expand.
6993         (*insv_i): New define_insn.
6994         (*movb): New define_insn.
6995         (*movb_signed): New define_insn.
6996         (*movb_high): New define_insn.
6997         (*movb_high_signed): New define_insn.
6998         (*movb_high_signed + 1): New define_split pattern.
6999         (*mrgb): New define_insn.
7000         (*mrgb + 1): New define_peephole2 pattern.
7001         (*mrgb + 2): New define_peephole2 pattern.
7002         * config/arc/arc.opt (mbitops): New option for nps400, uses
7003         TARGET_NPS_BITOPS_DEFAULT.
7004         * config/arc/constraints.md (q): Make register class conditional.
7005         (Rrq): New register constraint.
7006         (Chs): New constraint.
7007         (Clo): New constraint.
7008         (Chi): New constraint.
7009         (Cbf): New constraint.
7010         (Cbn): New constraint.
7011         (C18): New constraint.
7012         (Cbi): New constraint.
7014 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7016         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7017         dst->popcount.
7018         (bitmap_intersection_of_preds): Ditto.
7019         (bitmap_union_of_succs): Ditto.
7020         (bitmap_union_of_preds): Ditto.
7021         * sbitmap.c (do_popcount): Delete.
7022         (BITMAP_DEBUGGING): Delete.
7023         (sbitmap_verify_popcount): Delete.
7024         (sbitmap_alloc): Don't initialize the popcount field.
7025         (sbitmap_alloc_with_popcount): Delete.
7026         (sbitmap_resize): Don't resize the popcount array.
7027         (sbitmap_vector_alloc): Don't initialize the popcount field.
7028         (bitmap_copy): Don't copy the popcount array.
7029         (bitmap_clear): Don't clear the popcount array.
7030         (bitmap_clear): Delete the popcount array handling.
7031         (bitmap_ior_and_compl): Delete the popcount assert.
7032         (bitmap_not): Ditto.
7033         (bitmap_and_compl): Ditto.
7034         (bitmap_and): Delete the popcount array handling.
7035         (bitmap_xor): Ditto.
7036         (bitmap_ior): Ditto.
7037         (bitmap_or_and): Delete the popcount assert.
7038         (bitmap_and_or): Ditto.
7039         (popcount_table): Delete.
7040         (sbitmap_elt_popcount): Delete.
7041         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7042         (bitmap_set_bit): Delete the popcount assert.
7043         (bitmap_clear_bit): Ditto.
7044         (sbitmap_free): Don't free the popcount array.
7045         (sbitmap_alloc_with_popcount): Delete declaration.
7046         (sbitmap_popcount): Ditto.
7048 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7049             Andrew Burgess  <andrew.burgess@embecosm.com>
7051         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7052         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7053         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7054         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7055         * config/arc/arc.opt (mcmem): New option.
7056         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7057         supply length for r/m alternative.
7058         (*extendqisi2_ac): Likewise.
7059         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7060         r/Uex alternative.
7061         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7062         (movhi_insn): Likewise.
7063         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7064         (*zero_extendqihi2_i): Add r/Ucm alternative.
7065         (*zero_extendqisi2_ac): Likewise.
7066         (*zero_extendhisi2_i): Likewise.
7067         * config/arc/constraints.md (Uex): New memory constraint.
7068         (Ucm): New define_constraint.
7069         * config/arc/predicates.md (long_immediate_loadstore_operand):
7070         Return 0 for MEM with cmem_address address.
7071         (cmem_address_0): New predicates.
7072         (cmem_address_1): Likewise.
7073         (cmem_address_2): Likewise.
7074         (cmem_address): Likewise.
7076 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7078         * config/rs6000/rs6000.c (machine_function): Rename
7079         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7080         (rs6000_stack_info): Adjust.
7082 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7083             Andrew Burgess  <andrew.burgess@embecosm.com>
7085         * config/arc/constraints.md (Usd): Convert to define_constraint.
7086         (Us<): Likewise.
7087         (Us>): Likewise.
7089 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7091         PR target/70821
7092         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7093         Add new peephole2 where the first insn is *mov<mode>_or instead of
7094         *mov<mode>_internal.
7096 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7098         * tracer.c (bb_seen): Make static.
7100 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7102         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7103         support, setup defaults.
7104         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7105         * config/arc/arc.c (arc_init): Add NPS400 support.
7106         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7107         (TARGET_ARC700): NPS400 is also an ARC700.
7108         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7110 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7112         PR target/70668
7113         * config/nds32/nds32.md (casesi): Don't access the operands array
7114         out of bounds.
7116 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7118         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7119         (or $-1,reg peephole2): Ditto.
7120         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7122 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7124         * doc/extend.texi (Common Function Attributes) [optimize]:
7125         Discourage use of the optimize attribute.
7127 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7129         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7130         special case builtin.
7131         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7132         ALTIVEC_BUILTIN_VEC_ADDE.
7133         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7134         support for ALTIVEC_BUILTIN_VEC_ADDE.
7135         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7136         for __builtin_vec_adde.
7138 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7140         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7141         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7143 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7145         PR testsuite/70595
7146         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7147         attributes): Document cilkplus_runtime.
7149 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7151         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7152         this function.  Call verify_expr on MEM_REFs and bases of other
7153         handled_components.
7155 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7157         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7158         for WORD_REGISTER_OPERATIONS to runtime check.
7160 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7162         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7164 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7166         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7167         big-endian compilation.
7168         * config/arc/arc.md (addf3): Likewise.
7169         (subdf3): Likewise.
7170         (muldf3): Likewise.
7172 2016-04-28  Richard Biener  <rguenther@suse.de>
7174         PR tree-optimization/70840
7175         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7176         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7177         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7178         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7180 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7182         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7183         and explain why in a comment.
7185 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7187         * config/arc/arc.md (cpu_facility): Add fpx variant.
7188         (subdf3): Prohibit use reverse sub when assist operations option
7189         is enabled.
7190         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7191         instructions only when FPX is enabled.
7192         * testsuite/gcc.target/arc/trsub.c: New test.
7194 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7196         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7197         mult_operator when calculating "type" attribute.
7198         (*fop_<mode>_1_i387): Ditto.
7199         (*fop_xf_1_i387): Ditto.
7200         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7201         Use std::swap to swap operands.  Use RTL expressions to generate
7202         converted pattern.
7204 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7205             Joern Rennecke  <joern.rennecke@embecosm.com>
7207         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7208         declaration.
7209         (emit_pic_move): Remove.
7210         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7211         * config/arc/arc.c (emit_pic_move): Removed.
7212         (TARGET_HAVE_TLS): Define.
7213         (arc_conditional_register_usage): Test for arc_tp_regno.
7214         (arc_print_operand, arc_print_operand_address): Handle TLS
7215         unspecs.
7216         (arc_needs_pcl_p): New function.
7217         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7218         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7219         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7220         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7221         (arc_legitimize_tls_address): Likewise.
7222         (DTPOFF_ZERO_SYM): Define.
7223         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7224         (arc_output_pic_addr_const): Print TLS unspecs.
7225         (prepare_pic_move): New function, replaces emit_pic_move.
7226         (arc_legitimate_constant_p): Handle TLS unspecs.
7227         (arc_legitimate_address_p): Likewise.
7228         (arc_rewrite_small_data_p): Use assert for TLS constants.
7229         (prepare_move_operands): Use prepare_pic_move.
7230         (arc_legitimize_address): Legitimize tls addresses.
7231         (arc_epilogue_uses): Check for arc_tp_regno.
7232         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7233         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7234         Define.
7235         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7236         Likewise.
7237         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7238         %(arc_tls_extra_start_spec).
7239         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7240         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7241         (EH_USES): Define.
7242         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7243         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7244         (UNSPEC_TLS_OFF): Add.
7245         (R10_REG): Define.
7246         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7247         (get_thread_pointersi): New patterns.
7248         * config/arc/arc.opt (mtp-regno): New option.
7249         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7250         (move_dest_operand): Likewise.
7251         * configure: Regenerate.
7252         * configure.ac: Add arc*-*-* case to test for tls.
7253         * doc/invoke.texi (ARC options): Document mtp-regno.
7255 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7257         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7258         the new ARC HS SIMD instructions.
7259         (arc_preferred_simd_mode): New function.
7260         (arc_autovectorize_vector_sizes): Likewise.
7261         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7262         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7263         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7264         (arc_init_builtins): Add new SIMD builtin types.
7265         (arc_split_move): Handle 64 bit vector moves.
7266         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7267         (TARGET_PLUS_QMACW): Define.
7268         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7269         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7270         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7271         (VSUBADD4H): New builtins.
7272         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7273         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7275 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7276             Matthias Klose  <doko@debian.org>
7278         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7280 2016-04-28  Richard Biener  <rguenther@suse.de>
7282         PR middle-end/70777
7283         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7284         canonicalization.
7286 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7288         * common/config/sh/sh-common.c: Remove SH5 support.
7289         * config/sh/constraints.md: Likewise.
7290         * config/sh/config/sh/elf.h: Likewise.
7291         * config/sh/linux.h: Likewise.
7292         * config/sh/netbsd-elf.h: Likewise.
7293         * config/sh/predicates.md: Likewise.
7294         * config/sh/sh-c.c: Likewise.
7295         * config/sh/sh-protos.h: Likewise.
7296         * config/sh/sh.c: Likewise.
7297         * config/sh/sh.h: Likewise.
7298         * config/sh/sh.md: Likewise.
7299         * config/sh/sh.opt: Likewise.
7300         * config/sh/sync.md: Likewise.
7301         * config/sh/sh64.h: Delete.
7302         * config/sh/shmedia.h: Likewise.
7303         * config/sh/shmedia.md: Likewise.
7304         * config/sh/sshmedia.h: Likewise.
7305         * config/sh/t-netbsd-sh5-64: Likewise.
7306         * config/sh/t-sh64: Likewise.
7307         * config/sh/ushmedia.h: Likewise.
7309 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7311         * config/i386/i386.md (sign_extend to memory peephole2s): Use
7312         general_reg_operand instead of register_operand predicate.
7314 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7316         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7318 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
7320         * match.pd (A - B > A, A + B < A): New transformations.
7322 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
7324         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7325         which defaults to true.  Emit an outer pair of parentheses only if
7326         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
7327         don't emit parentheses for the right-hand operand.
7329 2016-04-27  Jeff Law  <law@redhat.com>
7331         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7333 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7335         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7336         (altivec_lvx_<mode>_internal): Document.
7337         (altivec_lvx_<mode>_2op): New define_insn.
7338         (altivec_lvx_<mode>_1op): Likewise.
7339         (altivec_lvx_<mode>_2op_si): Likewise.
7340         (altivec_lvx_<mode>_1op_si): Likewise.
7341         (altivec_stvx_<mode>): Remove.
7342         (altivec_stvx_<mode>_internal): Document.
7343         (altivec_stvx_<mode>_2op): New define_insn.
7344         (altivec_stvx_<mode>_1op): Likewise.
7345         (altivec_stvx_<mode>_2op_si): Likewise.
7346         (altivec_stvx_<mode>_1op_si): Likewise.
7347         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7348         Expand vec_ld and vec_st during parsing.
7349         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7350         changes.
7351         (altivec_expand_stvx_be): Likewise.
7352         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7353         address-masking behavior in RTL.
7354         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7355         address-masking behavior in RTL.
7356         (altivec_expand_builtin): Change builtin code arguments for calls
7357         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7358         (insn_is_swappable_p): Avoid incorrect swap optimization in the
7359         presence of lvx/stvx patterns.
7360         (alignment_with_canonical_addr): New function.
7361         (alignment_mask): Likewise.
7362         (find_alignment_op): Likewise.
7363         (recombine_lvx_pattern): Likewise.
7364         (recombine_stvx_pattern): Likewise.
7365         (recombine_lvx_stvx_patterns): Likewise.
7366         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7367         stvx patterns from expand.
7368         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7369         expansions.
7370         (vector_altivec_store_<mode>): Likewise.
7372 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
7374         * config/aarch64/aarch64.md
7375         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7376         remove the "fp" attributes.
7377         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7378         add the "simd" attributes.
7379         (*movdf_aarch64): Likewise.
7380         (*movtf_aarch64): Remove the "fp" attributes.
7381         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7382         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7384 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7386         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7387         rtx to rtx_code_label *.
7388         * rtl.h (maybe_set_first_label_num): Likewise.
7390 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7392         * df-core.c (df_add_problem): Make the problem param be const.
7393         (df_remove_problem): Make local "problem" be const.
7394         * df-problems.c (problem_RD): Make const.
7395         (problem_LR): Likewise.
7396         (problem_LIVE): Likewise.
7397         (problem_MIR): Likewise.
7398         (problem_CHAIN): Likewise.
7399         (problem_WORD_LR): Likewise.
7400         (problem_NOTE): Likewise.
7401         (problem_MD): Likewise.
7402         * df-scan.c (problem_SCAN): Likewise.
7403         * df.h (struct df_problem): Make field "dependent_problem" be
7404         const.
7405         (struct dataflow): Likewise for field "problem".
7406         (df_add_problem): Make param const.
7408 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7410         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7411         inter-unit moves to/from vector registers are enabled.  Do not disable
7412         for TARGET_MMX.
7414 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7416         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7417         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7418         #define to...
7419         (enum df_problem_id): ...this new enum.
7420         (struct df_problem): Convert field "id" from "int" to
7421         enum df_problem_id.
7423 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7425         * rtl.def: Update comment for "things in the instruction chain" to
7426         reflect the removal of the leading "i" field for INSN_UID in
7427         r210360.  Fix bogus apostrophe.
7429 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7431         * config/i386/i386.md
7432         (lea arith with mem operand + setcc peephole2): Set operator mode.
7434 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7436         PR target/70155
7437         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7438         (dimode_scalar_to_vector_candidate_p): This.
7439         (timode_scalar_to_vector_candidate_p): New function.
7440         (scalar_to_vector_candidate_p): Likewise.
7441         (timode_check_non_convertible_regs): Likewise.
7442         (timode_remove_non_convertible_regs): Likewise.
7443         (remove_non_convertible_regs): Likewise.
7444         (remove_non_convertible_regs): Renamed to ...
7445         (dimode_remove_non_convertible_regs): This.
7446         (scalar_chain::~scalar_chain): Make it virtual.
7447         (scalar_chain::compute_convert_gain): Make it pure virtual.
7448         (scalar_chain::mark_dual_mode_def): Likewise.
7449         (scalar_chain::convert_insn): Likewise.
7450         (scalar_chain::convert_registers): Likewise.
7451         (scalar_chain::add_to_queue): Make it protected.
7452         (scalar_chain::emit_conversion_insns): Likewise.
7453         (scalar_chain::replace_with_subreg): Likewise.
7454         (scalar_chain::replace_with_subreg_in_insn): Likewise.
7455         (scalar_chain::convert_op): Likewise.
7456         (scalar_chain::convert_reg): Likewise.
7457         (scalar_chain::make_vector_copies): Likewise.
7458         (scalar_chain::convert_registers): New pure virtual function.
7459         (class dimode_scalar_chain): New class.
7460         (class timode_scalar_chain): Likewise.
7461         (scalar_chain::mark_dual_mode_def): Renamed to ...
7462         (dimode_scalar_chain::mark_dual_mode_def): This.
7463         (timode_scalar_chain::mark_dual_mode_def): New function.
7464         (timode_scalar_chain::convert_insn): Likewise.
7465         (dimode_scalar_chain::convert_registers): Likewise.
7466         (scalar_chain::compute_convert_gain): Renamed to ...
7467         (dimode_scalar_chain::compute_convert_gain): This.
7468         (scalar_chain::replace_with_subreg): Renamed to ...
7469         (dimode_scalar_chain::replace_with_subreg): This.
7470         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
7471         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
7472         (scalar_chain::make_vector_copies): Renamed to ...
7473         (dimode_scalar_chain::make_vector_copies): This.
7474         (scalar_chain::convert_reg): Renamed to ...
7475         (dimode_scalar_chain::convert_reg ): This.
7476         (scalar_chain::convert_op): Renamed to ...
7477         (dimode_scalar_chain::convert_op): This.
7478         (scalar_chain::convert_insn): Renamed to ...
7479         (dimode_scalar_chain::convert_insn): This.
7480         (scalar_chain::convert): Call convert_registers.
7481         (convert_scalars_to_vector): Change to scalar_chain pointer to
7482         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
7483         in 32-bit mode.  Delete scalar_chain pointer.  Call
7484         free_dominance_info in 64-bit mode.
7485         (pass_stv::gate): Remove TARGET_64BIT check.
7486         (ix86_option_override): Put the 64-bit STV pass before the CSE
7487         pass.
7489 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
7491         * dwarf2out.h (struct dw_loc_descr_node): Remove the
7492         dw_loc_frame_offset field.
7493         * dwarf2out.c (new_loc_descr): Likewise.
7494         (resolve_args_picking_1): Turn the VISITED hash set into a
7495         FRAME_OFFSET hash map. Use it to associate a frame offset to
7496         visited nodes. Remove uses of the CHECKING_P macro.
7497         (resolve_args_picking): Update call to resolve_args_picking_1.
7499 2016-04-27  Martin Liska  <mliska@suse.cz>
7501         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
7502         (free_loop_data): Release vuses of groups.
7504 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
7506         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
7507         instead of redundant use_id and boolean have_use_for.
7508         (struct iv_use): Change sub_id into group_id.  Remove field next.
7509         Move fields: related_cands, n_map_members, cost_map and selected
7510         to ...
7511         (struct iv_group): ... here.  New structure.
7512         (struct iv_common_cand): Use structure declaration directly.
7513         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
7514         (MAX_CONSIDERED_USES): Rename macro to ...
7515         (MAX_CONSIDERED_GROUPS): ... here.
7516         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
7517         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
7518         (dump_uses): Rename to ...
7519         (dump_groups): ... here.  Update all uses.
7520         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
7521         (find_induction_variables): Refactor format of dump information.
7522         (record_sub_use): Delete.
7523         (record_use): Update all uses.
7524         (record_group): New function.
7525         (record_group_use, find_interesting_uses_op): Call above functions.
7526         Update all uses.
7527         (find_interesting_uses_cond): Ditto.
7528         (group_compare_offset): New function.
7529         (split_all_small_groups): Rename to ...
7530         (split_small_address_groups_p): ... here.  Update all uses.
7531         (split_address_groups):  Update all uses.
7532         (find_interesting_uses): Refactor format of dump information.
7533         (add_candidate_1): Update all uses.  Remove redundant check on iv,
7534         base and step.
7535         (add_candidate, record_common_cand): Remove redundant assert.
7536         (add_iv_candidate_for_biv): Update use.
7537         (add_iv_candidate_derived_from_uses): Update all uses.
7538         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
7539         (alloc_use_cost_map): Ditto.
7540         (set_use_iv_cost, get_use_iv_cost): Rename to ...
7541         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
7542         (determine_use_iv_cost_generic): Ditto.
7543         (determine_group_iv_cost_generic): Ditto.
7544         (determine_use_iv_cost_address): Ditto.
7545         (determine_group_iv_cost_address): Ditto.
7546         (determine_use_iv_cost_condition): Ditto.
7547         (determine_group_iv_cost_cond): Ditto.
7548         (determine_use_iv_cost): Ditto.
7549         (determine_group_iv_cost): Ditto.
7550         (set_autoinc_for_original_candidates): Update all uses.
7551         (find_iv_candidates): Update all uses.  Refactor dump information.
7552         (determine_use_iv_costs): Ditto.
7553         (determine_iv_costs): Ditto.
7554         (iv_ca_cand_for_use): Rename to ...
7555         (iv_ca_cand_for_group): ... here.  Update all uses.
7556         (iv_ca_add_use, iv_ca_add_group): Ditto.
7557         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
7558         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
7559         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
7560         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
7561         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
7562         (create_new_iv, adjust_iv_update_pos): Ditto.
7563         (rewrite_use_address): Delete.
7564         (rewrite_use_address_1): Rename to ...
7565         (rewrite_use_address): ... here.
7566         (rewrite_use_compare): Update all uses.
7567         (rewrite_use): Delete.
7568         (rewrite_uses): Rename to ...
7569         (rewrite_groups): ... here.  Update all uses.
7570         (remove_unused_ivs, free_loop_data): Update all uses.
7571         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
7573 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7575         * rtlanal.c (nonzero_bits1): Convert preprocessor check
7576         for WORD_REGISTER_OPERATIONS to runtime check.
7578 2016-04-27  Richard Biener  <rguenther@suse.de>
7580         PR ipa/70760
7581         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
7582         aggregate_value_p to determine if a function result is
7583         returned by reference.
7584         (ipa_pta_execute): Functions having their address taken are
7585         not automatically nonlocal.
7587 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7589         PR sanitizer/70683
7590         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
7591         * fold-const.c (operand_equal_p): If flag_checking and
7592         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
7593         and if it returns non-zero, assert iterative_hash_expr on both
7594         args is the same.
7596 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7598         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
7600 2016-04-27  Nick Clifton  <nickc@redhat.com>
7602         PR middle-end/49889
7603         * varasm.c (merge_weak): Generate an error if an attempt is made
7604         to convert a non-weak static function into a weak, public function.
7606 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7608         * params.def (MAX_PARTITION_SIZE): New param.
7609         * doc/invoke.texi: Document lto-max-partition.
7611 2016-04-27  Richard Biener  <rguenther@suse.de>
7613         PR ipa/70785
7614         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
7615         function cummulating used_from_other_partition, externally_visible
7616         and force_output from aliases.
7617         (refered_from_nonlocal_var): Likewise.
7618         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
7619         node flags properly.
7621 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7623         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
7624         (-Wmemset-elt-size): New item.
7626 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
7628         PR ada/70759
7629         * stor-layout.h (internal_reference_types): Delete.
7630         * stor-layout.c (reference_types_internal): Likewise.
7631         (internal_reference_types): Likewise.
7632         (layout_type) <REFERENCE_TYPE>: Adjust.
7634 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7636         PR sanitizer/70683
7637         * tree.h (inchash::add_expr): Add FLAGS argument.
7638         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
7639         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
7640         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
7641         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
7642         if swap_tree_comparison (code) is smaller than code, hash that
7643         and arguments in the other order.  Hash CONVERT_EXPR the same
7644         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
7645         of ADDR_EXPR of decl as the decl itself.  Add or remove
7646         OEP_ADDRESS_OF from recursive flags as needed.  For
7647         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
7648         operands commutatively and only the third one normally.
7649         For internal CALL_EXPR hash in CALL_EXPR_IFN.
7651 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7653         * config/rtems.h (LIB_SPEC): Add -latomic.
7655 2016-04-27  Joel Sherrill  <joel@rtems.org>
7657         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
7658         xilink.ld and flags not relevant to RTEMS.
7660 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
7662         * toplev.c (backend_init_target): Avoid calling init_reload when using
7663         LRA.
7665 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7667         * reorg.c (try_merge_delay_insns): Declare i and j inside the
7668         for loops rather than one for the whole function.
7670 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7672         * match.pd (X + CST CMP X): New transformation.
7674 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7676         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
7677         * fold-const.c (fold_binary_loc): Remove 2 transformations
7678         superseded by match.pd.
7679         * match.pd (x+x -> x*2): Generalize to integers.
7681 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
7683         * config/i386/i386.md (operation on memory peephole): Duplicate an
7684         existing peephole and adapt it to match lea rather than an operation
7685         that clobbers CC.
7687         PR rtl-optimization/57193
7688         * opts.c (default_options_table): Add OPT_frename_registers at -O2
7689         and above.
7690         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
7692 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7694         * tree-if-conv.c (any_pred_load_store): New static variable.
7695         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
7696         any_pred_load_store instead of and_mask_load_store.
7697         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
7698         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
7699         (combine_blocks, tree_if_conversion): Ditto.
7701 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7703         PR tree-optimization/70771
7704         PR tree-optimization/70775
7705         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
7706         virtual PHI nodes.  Delete parameter.
7707         (if_convertible_loop_p_1): Delete argument to above function.
7708         (predicate_all_scalar_phis): Delete code handling single-argument
7709         PHIs.
7710         (tree_if_conversion): Mark and update virtual SSA.
7712 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7714         PR target/61821
7715         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
7716         (x86_elf_aligned_common): Rename to ...
7717         (x86_elf_aligned_decl_common): ... this.
7718         Add decl arg.  Switch to .lbss for largecomm object.  Use
7719         LARGECOMM_SECTION_ASM_OP.
7720         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
7721         renaming.
7722         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
7723         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
7724         Pass new decl arg.
7725         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7726         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
7728 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7730         PR target/59407
7731         * config/i386/i386.c (SECTION_LARGE): Define.
7732         (x86_64_elf_select_section): Set it for large data/bss sections.
7733         Only clear SECTION_WRITE for .lrodata.
7734         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
7735         data/bss sections.
7736         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
7737         * varasm.c (default_elf_asm_named_section): Grow flagchars.
7738         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
7739         SECTION_MACH_DEP.
7740         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
7741         * doc/tm.texi: Regenerate.
7743 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7745         PR bootstrap/70704
7746         * configure.ac (--enable-checking): Document extra flag, for
7747         non-release builds default to --enable-checking=yes,extra.
7748         If misc checking and extra checking, define CHECKING_P to 2 instead
7749         of 1.
7750         * common.opt (fchecking=): Add.
7751         * doc/invoke.texi (-fchecking=): Document.
7752         * doc/install.texi: Document --enable-checking changes.
7753         * configure: Regenerated.
7754         * config.in: Regenerated.
7756 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7758         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
7759         attribute instead of which_alternative.
7760         * config/i386/sse.md (*mov<mode>_internal): Ditto.
7761         Use EXT_REX_SSE_REG_P where appropriate.
7763 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7765         * config/i386/predicates.md (const0_operand): Do not match
7766         const_wide_int code.
7767         (const1_operand): Ditto.
7769 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7771         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
7772         for SSE constm1 operands and TARGET_AVX512VL.
7773         (*movti_internal): Ditto.
7774         (*mov<mode>_or): Use constm1_operand predicate.
7775         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
7776         for SSE vector_all_ones operands and TARGET_AVX512VL.
7777         * config/i386/predicates.md (constm1_operand): New predicate.
7778         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
7779         emission of constant -1 load.
7781 2016-04-25  Jason Merrill  <jason@redhat.com>
7783         * gdbinit.in: Skip is-a.h.
7785         * attribs.c (register_scoped_attributes): Fix logic.
7786         * attribs.h: Declare register_scoped_attributes.
7788 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7790         * config/rs6000/rs6000-builtin.def: Correct pasto error for
7791         stxvd2x and stxvw4x built-in functions.
7793 2016-04-25  DJ Delorie  <dj@redhat.com>
7795         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
7796         (ashrhi3): Likewise.
7797         (lshrhi3): Likewise.
7799 2016-04-25  Richard Biener  <rguenther@suse.de>
7801         PR tree-optimization/70780
7802         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
7803         wasn't visited yet.
7804         (compute_antic): Mark blocks with abnormal preds as visited as
7805         they have a final empty antic-in solution already.
7807 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7809         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
7811 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7813         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
7814         mode is VQI to improve mixed mode vectorization.
7815         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
7816         define_insn to match low half of signed vaddw.
7817         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
7818         define_insn to match high half of signed vaddw.
7819         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
7820         define_insn to match low half of unsigned vaddw.
7821         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
7822         define_insn to match high half of unsigned vaddw.
7823         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
7824         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7825         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
7826         for new function.
7827         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7828         * config/arm/predicates.md (vect_par_constant_high): Support
7829         big endian and simplify by calling
7830         arm_simd_check_vect_par_cnst_half
7831         (vect_par_constant_low): Likewise.
7833 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7835         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
7836         predicate for operand 2.
7838 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
7839             H.J. Lu  <hongjiu.lu@intel.com>
7841         * config/i386/i386-protos.h (standard_sse_constant_p): Add
7842         machine_mode argument.
7843         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
7844         constm1_rtx operands.  For VOIDmode constants, get mode from
7845         pred_mode.  Check mode size if the mode is supported by ABI.
7846         (standard_sse_constant_opcode): Do not use standard_constant_p.
7847         Strictly check ABI support for all-ones operands.
7848         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
7849         immediates. Update calls to standard_sse_constant_p.
7850         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
7851         (ix86_rtx_costs): Ditto.
7852         * config/i386/i386.md (*movxi_internal_avx512f): Use
7853         nonimmediate_or_sse_const_operand instead of vector_move_operand.
7854         Use (v,BC) alternative instead of (v,C). Use register_operand
7855         checks instead of MEM_P.
7856         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
7857         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
7858         isa attribute.  Use register_operand checks instead of MEM_P.
7859         (*movti_internal): Use nonimmediate_or_sse_const_operand for
7860         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
7861         alternative and corresponding sse2 isa attribute.
7862         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
7863         to standard_sse_constant_p.
7864         (FP constant splitters): Ditto.
7865         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
7866         (C): Ditto.
7867         * config/i386/predicates.md (constm1_operand): Remove.
7868         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
7869         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
7870         vector_all_ones_operand instead of constm1_operand.
7872 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7874         * print-rtl.c (print_rtx_insn_vec): New function.
7875         * print-rtl.h: New prototype.
7876         * store-motion.c (struct st_expr): Make avail_stores a vector.
7877         (st_expr_entry): Adjust.
7878         (free_st_expr_entry): Likewise.
7879         (print_store_motion_mems): Likewise.
7880         (find_moveable_store): Likewise.
7881         (compute_store_table): Likewise.
7882         (delete_store): Likewise.
7883         (build_store_vectors): Likewise.
7885 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7887         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
7889 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7891         * vec.h (vec_safe_contains): New function.
7892         (vec::contains): Likewise.
7893         (vec::begin): Likewise.
7894         (vec::end): Likewise.
7896 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
7898         PR sanitizer/70712
7899         * cfgexpand.c (expand_stack_vars): Fix typo.
7901 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7903         * system.h (list, map, set, vector): Include conditionally.
7904         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
7905         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
7906         * ipa-icf.c (INCLUDE_LIST): Define.
7907         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
7908         * config/sh/sh.c (INCLUDE_VECTOR): Define.
7909         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
7910         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
7911         * cp/logic.cc (INCLUDE_LIST): Define.
7912         * fortran/trans-common.c (INCLUDE_MAP): Define.
7914 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7916         * auto-profile.c: Remove <string.h> include.
7917         * ipa-icf-gimple.c: Remove <list> include.
7918         * diagnostic.c: Remove <new> include.
7919         * genmatch.c: Likewise.
7920         * pretty-print.c: Likewise.
7921         * toplev.c: Likewise
7922         * c/c-objc-common.c: Likewise.
7923         * cp/error.c: Likewise.
7924         * fortran/error.c: Likewise.
7926 2016-04-22  Richard Biener  <rguenther@suse.de>
7928         * lto-streamer-in.c (input_ssa_names): Do not allocate
7929         GIMPLE_NOP for all SSA names.
7930         * lto-streamer-out.c (output_ssa_names): Do not output
7931         SSA names that should have been released.
7933 2016-04-22  Richard Biener  <rguenther@suse.de>
7935         PR tree-optimization/70740
7936         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
7937         VDEF.
7939 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
7941         PR target/70750
7942         * config/i386/predicates.md (call_insn_operand): Replace
7943         sibcall_memory_operand with memory_operand.
7945 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
7947         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
7948         has_single_use() tests.
7949         (register_edge_assert_for_1): Likewise.
7950         (find_assert_locations_1): Check the liveness bitmap instead of
7951         checking has_single_use().
7953 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7955         PR target/70728
7956         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
7957         Extract AVX-512BW constraint from AVX.
7959 2016-04-21  Richard Biener  <rguenther@suse.de>
7961         PR tree-optimization/70725
7962         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
7963         for phi_convertible_by_degenerating_args.
7964         (predicate_all_scalar_phis): Handle single-argument PHIs.
7966 2016-04-21  Richard Biener  <rguenther@suse.de>
7968         PR middle-end/70747
7969         * fold-const.c (fold_comparison): Return properly typed
7970         constant boolean.
7972 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
7974         PR tree-optimization/70715
7975         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
7976         after expanding BASE using expand_simple_operations.
7978 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
7980         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
7981         New transformations.
7983 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
7985         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
7987 2016-04-20  Jan Hubicka  <jh@suse.cz>
7989         * ipa-inline.c (can_inline_edge_p): Pass caller info to
7990         ultiimate_alias_target.
7991         (update_callee_keys): Likewise.
7992         (lookup_recursive_calls): Likewise.
7993         (speculation_useful_p): Likewise.
7995 2016-04-20  Jan Hubicka  <jh@suse.cz>
7997         PR ipa/70018
7998         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
7999         (set_nothrow_flag_1): ... this; handle interposition correctly;
8000         recurse on aliases and thunks.
8001         (cgraph_node::set_nothrow_flag): New.
8002         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8003         functions compiled with non-call exceptions that binds to current
8004         def.
8005         (propagate_nothrow): Be safe WRT interposition.
8006         * cgraph.h (set_nothrow_flag): Update prototype.
8008 2016-04-18  Jan Hubicka  <jh@suse.cz>
8010         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8011         max_loop_iterations_int.
8012         (tree_unswitch_outer_loop): Likewise.
8014 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8016         PR tree-optimization/69489
8017         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8018         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8019         Revise dump message.
8020         (if_convertible_bb_p): Remove check on edge count of basic block's
8021         predecessors.
8023 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8025         PR tree-optimization/56625
8026         PR tree-optimization/69489
8027         * tree-data-ref.h (DR_INNERMOST): New macro.
8028         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8029         hashing struct innermost_loop_behavior.
8030         (ref_DR_map): Remove.
8031         (innermost_DR_map): New map.
8032         (baseref_DR_map): Revise comment.
8033         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8034         to innermost_DR_map accroding to its innermost loop behavior.
8035         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8036         to its innermost loop behavior.
8037         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8038         Add initialization for innermost_DR_map.  Record memory reference
8039         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8040         have innermost loop behavior.
8041         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8042         innermost_DR_map.
8044 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8046         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8047         *lea_general_1.  Use explicit SWI12 mode interator.
8048         (*lea<mode>_general_2): Rename from *lea_general_2.
8049         Use explicit SWI12 mode interator.
8050         (*lea<mode>_general_3): Rename from *lea_general_3.
8051         Use explicit SWI12 mode interator.
8052         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8053         Use explicit SWI12 mode interator.
8054         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8055         Use explicit SWI48 mode interator.
8057 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8059         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8060         Short-cut unaligned load and store cases.  Handle all integer
8061         vector modes.
8062         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8063         and store cases.  Call ix86_avx256_split_vector_move_misalign
8064         directly without checking mode class.
8066 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8067             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8069         PR target/64971
8070         * config/aarch64/aarch64.md (sibcall): Force call
8071         address to be DImode for ILP32.
8072         (sibcall_value): Likewise.
8074 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8076         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8078 2016-04-20  Richard Biener  <rguenther@suse.de>
8080         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8081         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8082         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8083         (maybe_push_res_to_seq): Adjust.
8084         * gimple-fold.c (maybe_build_generic_op): Likewise.
8086 2016-04-20  Marek Polacek  <polacek@redhat.com>
8088         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8089         rather than true.
8091 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8093         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8094         use kmovw to support AVX512F target.
8096 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8098         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8100 2016-04-20  Marek Polacek  <polacek@redhat.com>
8102         PR tree-optimization/70725
8103         * tree-if-conv.c (is_false_predicate): New function.
8104         (predicate_mem_writes): Use it.
8106 2016-04-20  Richard Biener  <rguenther@suse.de>
8108         PR tree-optimization/70726
8109         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8110         shift amounts from a pattern stmt operand.
8112 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8114         PR target/70674
8115         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8116         stack_restore_from_fpr pattern when restoring r15.
8117         (s390_optimize_prologue): Strip away the memory barrier in the
8118         parallel when trying to get rid of restore insns.
8119         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8120         definition for loading the stack pointer from an FPR.  Compared to
8121         the normal move insn this pattern includes a full memory barrier.
8123 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8125         PR middle-end/70680
8126         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8127         implicitly linear or lastprivate iterator on the outer context.
8129 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8131         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8132         alignment check.
8133         * config/i386/i386.md (ssememalign): Removed.
8134         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8136 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8138         PR target/69201
8139         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8140         const short * to __builtin_ia32_loaddquhi512_mask.
8141         (_mm512_maskz_loadu_epi16): Likewise.
8142         (_mm512_mask_storeu_epi16): Pass short * to
8143         __builtin_ia32_storedquhi512_mask.
8144         (_mm512_mask_loadu_epi8): Pass const char * to
8145         __builtin_ia32_loaddquqi512_mask.
8146         (_mm512_maskz_loadu_epi8): Likewise.
8147         (_mm512_mask_storeu_epi8): Pass char * to
8148         __builtin_ia32_storedquqi512_mask.
8149         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8150         const double * to __builtin_ia32_loadupd512_mask.
8151         (_mm512_mask_loadu_pd): Likewise.
8152         (_mm512_maskz_loadu_pd): Likewise.
8153         (_mm512_storeu_pd): Pass double * to
8154         __builtin_ia32_storeupd512_mask.
8155         (_mm512_mask_storeu_pd): Likewise.
8156         (_mm512_loadu_ps): Pass const float * to
8157         __builtin_ia32_loadups512_mask.
8158         (_mm512_mask_loadu_ps): Likewise.
8159         (_mm512_maskz_loadu_ps): Likewise.
8160         (_mm512_storeu_ps): Pass float * to
8161         __builtin_ia32_storeups512_mask.
8162         (_mm512_mask_storeu_ps): Likewise.
8163         (_mm512_mask_loadu_epi64): Pass const long long * to
8164         __builtin_ia32_loaddqudi512_mask.
8165         (_mm512_maskz_loadu_epi64): Likewise.
8166         (_mm512_mask_storeu_epi64): Pass long long *
8167         to __builtin_ia32_storedqudi512_mask.
8168         (_mm512_loadu_si512): Pass const int * to
8169         __builtin_ia32_loaddqusi512_mask.
8170         (_mm512_mask_loadu_epi32): Likewise.
8171         (_mm512_maskz_loadu_epi32): Likewise.
8172         (_mm512_storeu_si512): Pass int * to
8173         __builtin_ia32_storedqusi512_mask.
8174         (_mm512_mask_storeu_epi32): Likewise.
8175         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8176         char * to __builtin_ia32_storedquqi256_mask.
8177         (_mm_mask_storeu_epi8): Likewise.
8178         (_mm256_mask_loadu_epi16): Pass const short * to
8179         __builtin_ia32_loaddquhi256_mask.
8180         (_mm256_maskz_loadu_epi16): Likewise.
8181         (_mm_mask_loadu_epi16): Pass const short * to
8182         __builtin_ia32_loaddquhi128_mask.
8183         (_mm_maskz_loadu_epi16): Likewise.
8184         (_mm256_mask_loadu_epi8): Pass const char * to
8185         __builtin_ia32_loaddquqi256_mask.
8186         (_mm256_maskz_loadu_epi8): Likewise.
8187         (_mm_mask_loadu_epi8): Pass const char * to
8188         __builtin_ia32_loaddquqi128_mask.
8189         (_mm_maskz_loadu_epi8): Likewise.
8190         (_mm256_mask_storeu_epi16): Pass short * to.
8191         __builtin_ia32_storedquhi256_mask.
8192         (_mm_mask_storeu_epi16): Pass short * to.
8193         __builtin_ia32_storedquhi128_mask.
8194         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8195         const double * to __builtin_ia32_loadupd256_mask.
8196         (_mm256_maskz_loadu_pd): Likewise.
8197         (_mm_mask_loadu_pd): Pass onst double * to
8198         __builtin_ia32_loadupd128_mask.
8199         (_mm_maskz_loadu_pd): Likewise.
8200         (_mm256_mask_storeu_pd): Pass double * to
8201         __builtin_ia32_storeupd256_mask.
8202         (_mm_mask_storeu_pd): Pass double * to
8203         __builtin_ia32_storeupd128_mask.
8204         (_mm256_mask_loadu_ps): Pass const float * to
8205         __builtin_ia32_loadups256_mask.
8206         (_mm256_maskz_loadu_ps): Likewise.
8207         (_mm_mask_loadu_ps): Pass const float * to
8208         __builtin_ia32_loadups128_mask.
8209         (_mm_maskz_loadu_ps): Likewise.
8210         (_mm256_mask_storeu_ps): Pass float * to
8211         __builtin_ia32_storeups256_mask.
8212         (_mm_mask_storeu_ps): ass float * to
8213         __builtin_ia32_storeups128_mask.
8214         (_mm256_mask_loadu_epi64): Pass const long long * to
8215         __builtin_ia32_loaddqudi256_mask.
8216         (_mm256_maskz_loadu_epi64): Likewise.
8217         (_mm_mask_loadu_epi64): Pass const long long * to
8218         __builtin_ia32_loaddqudi128_mask.
8219         (_mm_maskz_loadu_epi64): Likewise.
8220         (_mm256_mask_storeu_epi64): Pass long long * to
8221         __builtin_ia32_storedqudi256_mask.
8222         (_mm_mask_storeu_epi64): Pass long long * to
8223         __builtin_ia32_storedqudi128_mask.
8224         (_mm256_mask_loadu_epi32): Pass const int * to
8225         __builtin_ia32_loaddqusi256_mask.
8226         (_mm256_maskz_loadu_epi32): Likewise.
8227         (_mm_mask_loadu_epi32): Pass const int * to
8228         __builtin_ia32_loaddqusi128_mask.
8229         (_mm_maskz_loadu_epi32): Likewise.
8230         (_mm256_mask_storeu_epi32): Pass int * to
8231         __builtin_ia32_storedqusi256_mask.
8232         (_mm_mask_storeu_epi32): Pass int * to
8233         __builtin_ia32_storedqusi128_mask.
8234         * config/i386/i386-builtin-types.def (PCSHORT): New.
8235         (PINT64): Likewise.
8236         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8237         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8238         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8239         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8240         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8241         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8242         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8243         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8244         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8245         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8246         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8247         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8248         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8249         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8250         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8251         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8252         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8253         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8254         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8255         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8256         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8257         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8258         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8259         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8260         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8261         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8262         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8263         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8264         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8265         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8266         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8267         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8268         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8269         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8270         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8271         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8272         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8273         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8274         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8275         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8276         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8277         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8278         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8279         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8280         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8281         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8282         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8283         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8284         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8285         use UNSPEC_STOREU.
8286         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8287         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8288         load nor store.
8289         (ix86_expand_vector_move_misalign): Likewise.
8290         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8291         to scalar function prototype for unaligned load/store builtins.
8292         (ix86_expand_special_args_builtin): Updated.
8293         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8294         (UNSPEC_STOREU): Likewise.
8295         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8296         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8297         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8298         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8299         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8300         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8301         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8302         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8303         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8304         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8305         (<avx512>_storedqu<mode>_mask): Likewise.
8306         (*sse4_2_pcmpestr_unaligned): Likewise.
8307         (*sse4_2_pcmpistr_unaligned): Likewise.
8308         (*mov<mode>_internal): Renamed to ...
8309         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
8310         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8311         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8312         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8314 2016-04-19  Richard Biener  <rguenther@suse.de>
8316         PR tree-optimization/70171
8317         * tree-ssa-phiprop.c: Include stor-layout.h.
8318         (phiprop_insert_phi): Handle the aggregate copy case.
8319         (propagate_with_phi): Likewise.
8321 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
8323         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8324         instead of simplify_gen_subreg (... , 0).
8325         (ix86_delegitimize_address): Ditto.
8326         (ix86_split_divmod): Ditto.
8327         (ix86_split_copysign_const): Ditto.
8328         (ix86_split_copysign_var): Ditto.
8329         (ix86_expand_args_builtin): Ditto.
8330         (ix86_expand_round_builtin): Ditto.
8331         (ix86_expand_special_args_builtin): Ditto.
8332         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8333         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8334         (udivmodqi4): Ditto.
8335         (absneg splitters): Ditto.
8336         (*jcc_bt<mode>_1): Ditto.
8338 2016-04-19  Richard Biener  <rguenther@suse.de>
8340         PR tree-optimization/70724
8341         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8342         restoring out from ...
8343         (free_scc_vn): ... here.
8344         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8345         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8346         tail merging.
8347         (pass_fre::execute): Restore SSA info.
8349 2016-04-19  Richard Biener  <rguenther@suse.de>
8351         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8352         * gimple-walk.c (walk_gimple_op): Initialize it.
8353         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8354         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8355         remapping SSA names of defs.
8356         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8357         adjustment.
8359 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
8361         PR middle-end/70689
8362         * lra-constraints.c (equiv_substition_p): New.
8363         (process_alt_operands): Use it.
8364         (swap_operands): Swap it.
8365         (curr_insn_transform): Update it.
8367 2016-04-18  Michael Matz  <matz@suse.de>
8369         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8370         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8371         * tree-core.h (tree_type_common.align): Use bit-field.
8372         (tree_type_common.spare): New.
8373         (tree_decl_common.off_align): Make smaller.
8374         (tree_decl_common.align): Use bit-field.
8376         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8377         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8378         (scan_sharing_clauses): Ditto.
8379         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8380         (omp_finish_file): Ditto.
8381         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8382         (layout_decl): Ditto.
8383         (relayout_decl): Ditto.
8384         (finalize_record_size): Use SET_TYPE_ALIGN.
8385         (finalize_type_size): Ditto.
8386         (finish_builtin_struct): Ditto.
8387         (layout_type): Ditto.
8388         (initialize_sizetypes): Ditto.
8389         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8390         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8391         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8392         (get_chain_field): Ditto.
8393         (get_trampoline_type): Ditto.
8394         (get_nl_goto_field): Ditto.
8395         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8396         SET_DECL_ALIGN.
8397         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8398         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8399         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8400         (build_qualified_type): Use SET_TYPE_ALIGN.
8401         (build_aligned_type, build_range_type_1): Ditto.
8402         (build_atomic_base): Ditto.
8403         (build_common_tree_nodes): Ditto.
8404         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8405         (expand_one_stack_var_at): Ditto.
8406         * coverage.c (build_var): Use SET_DECL_ALIGN.
8407         * except.c (init_eh): Ditto.
8408         * function.c (assign_parm_setup_block): Ditto.
8409         * symtab.c (increase_alignment_1): Ditto.
8410         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8411         * tree-vect-stmts.c (ensure_base_align): Ditto.
8412         * varasm.c (align_variable): Ditto.
8413         (assemble_variable): Ditto.
8414         (build_constant_desc): Ditto.
8415         (output_constant_def_contents): Ditto.
8417         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8418         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8419         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8420         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8421         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8423 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8425         PR target/70708
8426         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8427         replace %vmovsd with "%vmovq".
8428         (vec_concatv2df): Likewise.
8430 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8432         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8433         (*vec_extractv2si_0): Ditto.
8434         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8435         (zero_extended_scalar_load_operand splitters): Ditto.
8436         (vec_extract splitters): Ditto.
8437         (*vec_extractv4si_0_zext): Ditto.
8438         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8439         and lowpart_subreg.
8440         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8441         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
8442         (*sse4_1_extractps): Use lowpart_subreg.
8443         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
8445 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8447         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
8448         gld requirements.
8449         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
8450         Mention Solaris 11 packaging changes.
8451         Update gas and gld requirements.
8452         Remove reference to pre-Solaris 10 bug.
8453         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
8454         systems and bugs.
8455         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
8456         with cc.
8458 2016-04-17  Jan Hubicka  <jh@suse.cz>
8460         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
8461         max_loop_iterations_int.
8463 2016-04-18  Richard Biener  <rguenther@suse.de>
8465         PR tree-optimization/43434
8466         * tree-ssa-structalias.c (struct vls_data): New.
8467         (visit_loadstore): Handle all pointer-based accesses.
8468         (compute_dependence_clique): Compute a bitmap of restrict tags
8469         assigned bases and pass it to visit_loadstore.
8471 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
8473         PR target/70711
8474         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
8475         armv8.1-a and armv8.1-a+crc.
8477 2016-04-18  Richard Biener  <rguenther@suse.de>
8479         PR tree-optimization/70701
8480         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
8481         references after translating through a memcpy.
8483 2016-04-18  Richard Biener  <rguenther@suse.de>
8485         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
8486         (compute_antic): ... here.  For partial antic use regular
8487         postorder and scrap iteration.
8488         (compute_partial_antic_aux): Remove unused return value.
8489         (init_pre): Do not allocate postorder.
8490         (fini_pre): Do not free postorder.
8492 2016-04-18  Richard Biener  <rguenther@suse.de>
8494         PR middle-end/37870
8495         * expmed.c (extract_bit_field_1): Remove broken case
8496         using a wider MODE_INT mode.
8498 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
8500         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
8501         unless compiling with at least GCC-4.8.
8503 2016-04-17  Jan Hubicka  <jh@suse.cz>
8505         PR bootstrap/70706
8506         * graphite.c (graphite_finalize): Update call to
8507         tree_estimate_probability.
8508         * predict.h (tree_estimate_probability): Update prototype.
8510 2016-04-17  Jan Hubicka  <jh@suse.cz>
8512         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
8513         (tree_estimate_probability): Likewise.
8514         (pass_profile::execute): Update.
8515         (report_predictor_hitrates): New function.
8516         * profile.c (compute_branch_probabilities): Use it.
8517         * predict.h (report_predictor_hitrates): Declare.
8519 2016-04-17  Jan Hubicka  <jh@suse.cz>
8521         PR ipa/70018
8522         * cgraph.h (cgraph_node::set_const_flag,
8523         cgraph_node::set_pure_flag): Update prototype to return bool;
8524         update comment.
8525         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
8526         of interposable symbol are interposable, too.
8527         (cgraph_set_const_flag_1): Rename to ...
8528         (set_const_flag_1): ... this one; change to self recursive function
8529         instead of call_for_symbol_thunks_and_aliases. Handle correctly
8530         clearnig the flag in all variants and also virtual thunks of const
8531         functions are pure; track if any change was done.
8532         (cgraph_node::set_const_flag): Update.
8533         (struct set_pure_flag_info): New struct.
8534         (cgraph_set_pure_flag_1): Rename to ...
8535         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
8536         rather than pointer encoded flags; track if any changes was done;
8537         handle correctly clearning flag and setting flag of aliases already
8538         declared const.
8539         (cgraph_node::set_pure_flag): Update.
8540         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
8542 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8544         PR other/70433
8545         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
8546         backslash in label.
8548 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8550         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
8551         '{}<> ' as escape-for-record.
8553 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8555         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
8556         structure.
8558 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8560         PR other/70185
8561         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
8562         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
8563         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
8564         * passes.c (finish_optimization_passes): Only call
8565         finish_graph_dump_file if dfi->graph_dump_initialized.
8566         (execute_function_dump, pass_init_dump_file): Use
8567         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
8569 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8571         PR tree-optimization/70256
8572         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
8573         (debug_varmap): New function.
8575 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8577         PR other/70183
8578         * passes.c (pass_manager::register_pass): Propagate pflags.
8580 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8582         PR other/68875
8583         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
8584         * passes.c (pass_manager::pass_manager): Declare and init p_start in
8585         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
8586         check if it's equal to p_start.
8587         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
8589 2016-04-15  Jan Hubicka  <jh@suse.cz>
8591         PR ipa/70018
8592         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
8593         function does not bind to current def.
8594         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
8595         handle conservatively calls to functions that does not need to bind
8596         to current def.
8597         (check_call): Update call of worse_state.
8598         (ignore_edge_for_nothrow): Update.
8599         (ignore_edge_for_pure_const): Likewise.
8600         (propagate_pure_const): Update calls to worse_state.
8601         (skip_function_for_local_pure_const): Reformat comments.
8603 2016-04-15  Jan Hubicka  <jh@suse.cz>
8605         PR ipa/70018
8606         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
8607         (cgraph_node::function_symbol): Likewise.
8608         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8609         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
8610         (symtab_node::ultimate_alias_target): Add REF parameter.
8611         (symtab_node::binds_to_current_def_p): Declare.
8612         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
8613         (cgraph_node::function_symbol): Likewise.
8614         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8615         (cgraph_node::get_availability): Likewise.
8616         (cgraph_edge::binds_to_current_def_p): New inline function.
8617         (varpool_node::get_availability): Add REF parameter.
8618         (varpool_node::ultimate_alias_target): Likewise.
8619         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
8620         (symtab_node::binds_to_current_def_p): Likewise.
8621         * varpool.c (varpool_node::get_availability): Likewise.
8623 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8625         PR target/70662
8626         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
8627         Fix mode size check.
8629 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8631         * BASE-VER: Set to 7.0.0.
8633 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
8635         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
8637 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8639         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
8640         architecture revisions.
8642 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
8644         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
8645         * config/i386/i386.c (ix86_using_red_zone): No longer static.
8646         * config/i386/i386.md (stack decrement to push peepholes): Guard
8647         with !x86_using_red_zone ().
8649 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8651         PR c++/70675
8652         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
8653         to dump_generic_node.
8654         (NIY): Pass also flags to do_niy.
8656 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
8658         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
8659         (simd_clone_vector_of_formal_parm_types)
8660         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
8661         (simd_clone_mangle, simd_clone_create)
8662         (simd_clone_adjust_return_type, create_tmp_simd_array)
8663         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
8664         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
8665         (ipa_simd_modify_function_body, simd_clone_linear_addend)
8666         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
8667         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
8668         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
8669         * omp-simd-clone.c: ... this new file.
8670         (simd_clone_vector_of_formal_parm_types): Make it static.
8671         * Makefile.in (OBJS): Add omp-simd-clone.o.
8673 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8675         PR target/70662
8676         * config/i386/sse.md: Use proper memory operand modifiers.
8679 2016-04-15  Richard Biener  <rguenther@suse.de>
8680         Alan Modra  <amodra@gmail.com>
8682         PR tree-optimization/70130
8683         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
8684         when alignment stays not the same and no not use the realign
8685         scheme then.
8687 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8689         PR target/70669
8690         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
8691         direct move handlers for KFmode. Change TFmode handlers test from
8692         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
8694 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
8696         PR c++/70594
8697         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
8698         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
8699         (inlined_polymorphic_ctor_dtor_block_p): Use it.
8700         * tree-ssa-live.c (remove_unused_scope_block_p): When
8701         in_ctor_dtor_block, avoid discarding not just BLOCKs with
8702         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
8703         block_ultimate_origin is FUNCTION_DECL.
8704         (remove_unused_locals): If current_function_decl is
8705         polymorphic_ctor_dtor_p, pass initial true to
8706         remove_unused_scope_block_p' is_ctor_dtor_block.
8708 2016-04-14  Martin Sebor  <msebor@redhat.com>
8710         PR c++/69517
8711         PR c++/70019
8712         PR c++/70588
8713         * doc/extend.texi (Variable Length): Revert.
8715 2016-04-14  Marek Polacek  <polacek@redhat.com>
8716             Jan Hubicka  <hubicka@ucw.cz>
8718         PR c++/70029
8719         * tree.c (verify_type): Disable the canonical type of main variant
8720         check.
8722 2016-04-14  Jason Merrill  <jason@redhat.com>
8724         * cfgexpand.c, expr.c: Revert previous change.
8726 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
8728         PR middle-end/70643
8729         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
8730         when building a mem ref for the incoming reduction variable.
8732 2016-04-14  Richard Biener  <rguenther@suse.de>
8734         PR tree-optimization/70614
8735         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
8736         loop if the evolution dropped to chrec_dont_know.
8737         (interpret_condition_phi): Likewise.
8739 2016-04-14  Richard Biener  <rguenther@suse.de>
8741         PR tree-optimization/70623
8742         * tree-ssa-pre.c (changed_blocks): Make global ...
8743         (compute_antic): ... local here.  Move and fix worklist
8744         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
8745         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
8746         worklist handling, dump when ANTIC_IN changed.
8747         (compute_partial_antic_aux): Remove worklist handling.
8748         (init_pre): Do not compute post dominators.  Add a comment about
8749         the CFG order chosen.
8750         (fini_pre): Do not free post dominators.
8752 2016-04-13  Martin Sebor  <msebor@redhat.com>
8754         PR c++/69517
8755         PR c++/70019
8756         PR c++/70588
8757         * doc/extend.texi (Variable Length): Document C++ specifics.
8759 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8761         PR c++/70641
8762         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
8763         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
8764         eh edges have been purged.
8766         PR c++/70594
8767         * tree-sra.c (create_access_replacement,
8768         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
8769         gets fancy name.
8770         * tree-pretty-print.c (dump_fancy_name): New function.
8771         (dump_decl_name, dump_generic_node): Use it.
8773 2016-04-13  Jason Merrill  <jason@redhat.com>
8775         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
8776         * expr.c (expand_expr_real_1): Likewise.
8778 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
8780         * config/i386/i386.md (kunpckhi): Swap operands.
8781         (kunpcksi): Likewise.
8782         (kunpckdi): Likewise.
8783         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
8784         (vec_pack_trunc_<mode>): Likewise.
8786 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8788         PR debug/70628
8789         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
8791         PR middle-end/70633
8792         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
8793         gimplification turns some element into non-constant.
8795         PR debug/70628
8796         * rtl.h (convert_memory_address_addr_space_1): New prototype.
8797         * explow.c (convert_memory_address_addr_space_1): No longer static,
8798         add NO_EMIT argument and don't call convert_modes if true, pass
8799         it down recursively, remove break after return.
8800         (convert_memory_address_addr_space): Adjust caller.
8801         * simplify-rtx.c (simplify_unary_operation_1): Call
8802         convert_memory_address_addr_space_1 instead of convert_memory_address,
8803         if it returns NULL, don't simplify.
8805 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
8807         PR target/70630
8808         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
8810 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8812         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8813         Bump the upper SIMDLEN limits, so that if the return type or
8814         characteristic type if the return type is void can be passed in
8815         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
8816         allowed.
8818 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8820         PR target/70640
8821         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
8822         Do not use "=" constraint on an input constraint.
8823         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
8824         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
8825         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
8826         generates (neg (abs ...)) instead of (abs ...).
8828 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8830         PR rtl-optimization/70596
8831         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
8832         just invalidate LRA data and reset them.  Adjust dump wording.
8834 2016-04-12  Martin Liska  <mliska@suse.cz>
8836         Revert
8837         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
8839         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
8840         estimates here.
8841         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8842         max_loop_iterations_int.
8843         (tree_unswitch_outer_loop): Likewise.
8844         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
8845         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
8847 2016-04-12  Tom de Vries  <tom@codesourcery.com>
8849         PR tree-optimization/68756
8850         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
8851         instead of new_name.
8853 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8855         PR tree-optimization/70602
8856         * tree-sra.c (generate_subtree_copies): Don't write anything into
8857         constant pool decls.
8859         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
8860         regardless whether there are depend clauses or not.
8862 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
8864         PR target/70381
8865         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
8866         target attribute and pragma from changing the -mfloat128
8867         and -mfloat128-hardware options.
8869         * doc/extend.texi (Additional Floating Types): Document PowerPC
8870         __float128 restrictions.
8872 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8874         PR target/70133
8875         * config/aarch64/driver-aarch64.c
8876         (aarch64_get_extension_string_for_isa_flags): New.
8877         (arch_extension): Rename to...
8878         (aarch64_arch_extension): ...This.
8879         (ext_to_feat_string): Rename to...
8880         (aarch64_extensions): ...This.
8881         (aarch64_core_data): Keep track of architecture extension flags.
8882         (cpu_data): Rename to...
8883         (aarch64_cpu_data): ...This.
8884         (aarch64_arch_driver_info): Keep track of architecture extension
8885         flags.
8886         (get_arch_name_from_id): Rename to...
8887         (get_arch_from_id): ...This, change return type.
8888         (host_detect_local_cpu): Update and reformat for renames, handle
8889         extensions through common infrastructure.
8891 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8893         PR target/70133
8894         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
8895         track of a canonical flag name.
8896         (all_extensions): Likewise.
8897         (arch_to_arch_name): Also track extension flags enabled by the arch.
8898         (all_architectures): Likewise.
8899         (aarch64_parse_extension): Move to here.
8900         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
8901         rework.
8902         (aarch64_rewrite_selected_cpu): Update for above change.
8903         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
8904         are handled, such that the single explicit value enabled by an
8905         extension is kept seperate from the implicit values it also enables.
8906         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
8907         to here.
8908         (aarch64_parse_extension): New.
8909         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
8910         here to config/aarch64/aarch64-protos.h.
8911         (aarch64_parse_extension): Move from here to
8912         common/config/aarch64/aarch64-common.c.
8913         (aarch64_option_print): Update.
8914         (aarch64_declare_function_name): Likewise.
8915         (aarch64_start_file): Likewise.
8916         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
8917         the canonical flag for extensions.
8918         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
8919         flags.
8921 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8923         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
8924         AARCH64_FL_CRC.
8926 2016-04-09  Tom de Vries  <tom@codesourcery.com>
8928         PR tree-optimization/68953
8929         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
8930         first to last subscript.
8932 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
8934         PR tree-optimization/70586
8935         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
8936         for any calls.
8938 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
8940         PR lto/70289
8941         PR ipa/70348
8942         PR tree-optimization/70373
8943         PR middle-end/70533
8944         PR middle-end/70534
8945         PR middle-end/70535
8946         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
8947         clauses for acc parallel reductions as necessary.  Error on those
8948         that are private.
8949         * omp-low.c (scan_sharing_clauses): Don't install variables which
8950         are used in acc parallel reductions.
8951         (lower_rec_input_clauses): Remove dead code.
8952         (lower_oacc_reductions): Add support for reference reductions.
8953         (lower_reduction_clauses): Remove dead code.
8954         (lower_omp_target): Don't remap variables appearing in acc parallel
8955         reductions.
8956         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
8958 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
8960         PR middle-end/70593
8961         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
8962         with multiple SSA_NAME defs, force the outputs other than first
8963         to be live before calling live_track_process_def on each output.
8965         PR rtl-optimization/70574
8966         * fwprop.c (forward_propagate_and_simplify): Don't add
8967         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
8968         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
8969         paradoxical subregs within *loc.
8971 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
8973         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
8974         -ftree-parallelize-loops={0,1}.
8975         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
8976         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
8977         * config/ia64/hpux.h (LIB_SPEC): Likewise.
8978         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
8979         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
8981 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
8983         PR sanitizer/70541
8984         * asan.c (instrument_derefs): If we get unknown location, extract it
8985         with EXPR_LOCATION.
8986         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
8988 2016-04-08  Tom de Vries  <tom@codesourcery.com>
8990         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
8991         implicit firstprivate clause.
8993 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8995         PR target/70566
8996         * config/arm/thumb2.md (tst + branch-> lsls + branch
8997         peephole below *orsi_not_shiftsi_si): Require that condition
8998         register is dead after the peephole.
8999         (second peephole after the above): Likewise.
9001 2016-04-08  Alan Modra  <amodra@gmail.com>
9003         PR target/70117
9004         * builtins.c (fold_builtin_classify): For IBM extended precision,
9005         look at just the high-order double to test for NaN.
9006         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9007         test just the high double for Inf but both doubles for subnormal
9008         limit.
9010 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9012         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9013         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9014         node->simdclone->mask_mode != VOIDmode masks.
9015         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9016         earlier, use it instead of node->simdclone.
9017         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9018         Set clonei->mask_mode.
9020 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9022         PR c/70436
9023         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9024         Pass it through to cp_parser_already_scoped_statement.
9025         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9026         it through to cp_parser_statement.
9027         (cp_parser_statement): Pass IF_P through to
9028         cp_parser_iteration_statement.
9029         (cp_parser_pragma): Adjust call to
9030         cp_parser_iteration_statement.
9032 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9034         PR c/70436
9035         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9036         resolve a future -Wparentheses warning.
9037         * omp-low.c (scan_sharing_clauses): Likewise.
9038         * tree-parloops.c (eliminate_local_variables): Likewise.
9040 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9042         PR rtl-optimization/70398
9043         * lra-constraints.c (process_address_1): Check zero scale and code
9044         for reloading with zero scale.
9046 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9048         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9049         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9051 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9053         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9054         Add support for AVX512F clones, include them by default for
9055         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9056         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9057         up to 128.
9059         PR middle-end/70550
9060         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9061         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9062         firstprivate clauses.
9063         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9064         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9065         (lower_omp_target): Set TREE_NO_WARNING for
9066         non-addressable possibly uninitialized vars which are copied into
9067         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9069 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9071         * config/pa/predicates.md (integer_store_memory_operand): Accept
9072         REG+D operands with a large offset when reload_in_progress is true.
9073         (floating_point_store_memory_operand): Likewise.
9075 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9077         PR c++/70336
9078         * match.pd (nested int casts): Limit to GIMPLE.
9080 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9082         PR ipa/66223
9083         * ipa-devirt.c (maybe_record_node): Fix comment; use
9084         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9086 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9088         PR rtl-optimization/70542
9089         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9090         if there are any uses other than insn or debug insns.
9092 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9093             Jakub Jelinek  <jakub@redhat.com>
9095         PR tree-optimization/70509
9096         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9097         Shift HOST_WIDE_INT_1U instead of 1.
9099 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9101         PR tree-optimization/70509
9102         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9103         of the vector base type for index.
9105 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9107         PR target/70510
9108         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9110 2016-04-05  Richard Biener  <rguenther@suse.de>
9112         PR tree-optimization/70526
9113         * tree-sra.c (build_ref_for_offset): Use prev_base to
9114         extract the alias pointer type.
9116 2016-04-05  Richard Biener  <rguenther@suse.de>
9118         * dse.c (struct store_info): Remove alias_set member.
9119         (struct read_info_type): Likewise.
9120         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9121         spill_deleted, clear_alias_set_lookup): Remove.
9122         (get_group_info): Remove dead base == NULL_RTX case.
9123         (dse_step0): Remove initialization of removed variables.
9124         (delete_dead_store_insn): Reomve alias set dumping.
9125         (free_read_records): Remove alias_set handling.
9126         (canon_address): Remove alias_set_out parameter.
9127         (record_store): Remove spill_alias_set, it's always zero.
9128         (check_mem_read_rtx): Likewise.
9129         (dse_step2): Rename from ...
9130         (dse_step2_nospill): ... this.  Adjust.
9131         (scan_stores): Rename from ...
9132         (scan_stores_nospill): ... this.
9133         (scan_reads): Rename from ...
9134         (scan_reads_nospill): ... this.
9135         (scan_stores_spill, scan_reads_spill): Remove.
9136         (dse_step3_scan): Remove for_spills argument which is always false.
9137         (dse_step3): Likewise.
9138         (dse_step5): Rename from ...
9139         (dse_step5_nospill): ... this.  Remove alias_set handling.
9140         (rest_of_handle_dse): Adjust.
9142 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9144         PR target/70525
9145         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9146         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9147         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9148         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9150 2016-04-05  Richard Biener  <rguenther@suse.de>
9152         PR middle-end/70499
9153         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9154         non-register type temporaries into SSA.
9156 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9158         PR ipa/66223
9159         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9160         calls when sanitizing.
9161         (possible_polymorphic_call_target_p): Fix formatting.
9163 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9164             Jakub Jelinek <jakub@redhat.com>
9166         PR middle-end/70457
9167         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9168         to ensure a call statement is compatible with a built-in's
9169         prototype.
9170         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9171         Likewise.
9173 2016-04-04  Richard Biener  <rguenther@suse.de>
9175         PR rtl-optimization/70484
9176         * rtl.h (canon_output_dependence): Declare.
9177         * alias.c (canon_output_dependence): New function.
9178         * dse.c (record_store): Use canon_output_dependence rather
9179         than canon_true_dependence.
9181 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9183         PR ipa/68881
9184         * cgraph.h (symtab_node::copy_visibility_from): New function.
9185         * symtab.c (symtab_node::copy_visibility_from): New function.
9186         * ipa-visibility.c (optimize_weakref): New function.
9187         (function_and_variable_visibility): Use it.
9189 2016-04-04  Martin Liska  <mliska@suse.cz>
9191         PR hsa/70402
9192         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9193         value that is really in range handled by SBR instruction.
9194         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9195         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9196         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9198 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9200         PR target/70416
9201         PR target/67391
9202         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9203         set, but not for SP_REG operands.
9205 2016-04-02  Martin Sebor  <msebor@redhat.com>
9207         PR c++/67376
9208         * fold-const.c (maybe_nonzero_address): New function.
9209         (fold_comparison): Call it.  Fold equality and relational
9210         expressions involving null pointers.
9211         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9213 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9215         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9216         the "Y" constraint (scalar FP 0.0 immediate).
9218         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9219         Add the "const_double" to the list of operand constraints.
9221 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9223         PR rtl-optimization/70467
9224         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9225         If low word of the last operand is 0, just emit addition/subtraction
9226         for the high word.
9228 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9230         PR target/70404
9231         * config/s390/s390.c (s390_expand_insv): Check for everything
9232         constant instead of just VOIDmode stuff.
9234 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9236         PR target/70496
9237         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9239 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9241         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9243 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9245         PR rtl-optimization/70461
9246         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9247         is necessary.
9249 2016-03-31  Martin Liska  <mliska@suse.cz>
9251         PR hsa/70399
9252         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9253         a tree value or an immediate integer value to a buffer
9254         that is eventually copied to a BRIG section.
9255         (emit_immediate_operand): Call the function here.
9256         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9257         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9258         of class' fields that are removed.
9259         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9260         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9261         m_brig_repr_size fields.
9263 2016-03-31  Martin Liska  <mliska@suse.cz>
9265         PR hsa/70391
9266         * hsa-gen.c (hsa_function_representation::update_dominance): New
9267         function.
9268         (convert_addr_to_flat_segment): Likewise.
9269         (gen_hsa_memory_set): New alignment argument.
9270         (gen_hsa_ctor_assignment): Likewise.
9271         (gen_hsa_insns_for_single_assignment): Provide alignment
9272         to gen_hsa_ctor_assignment.
9273         (gen_hsa_insns_for_direct_call): Add new argument.
9274         (expand_lhs_of_string_op): New function.
9275         (expand_string_operation_builtin): Likewise.
9276         (expand_memory_copy): New function.
9277         (expand_memory_set): New function.
9278         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9279         (convert_switch_statements): Change signature.
9280         (generate_hsa): Use a return value of the function.
9281         (pass_gen_hsail::execute): Do not call
9282         convert_switch_statements here.
9283         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9284         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9285         (hsa_function_representation::update_dominance): New function.
9287 2016-03-31  Martin Liska  <mliska@suse.cz>
9289         PR hsa/70391
9290         * hsa-brig.c (emit_directive_variable): Emit alignment
9291         according to hsa_symbol::m_align.
9292         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9293         (dump_hsa_symbol): Dump alignment of HSA symbols.
9294         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9295         (gen_hsa_addr_with_align): New function.
9296         (hsa_bitmemref_alignment): Use newly added function.
9297         (gen_hsa_insns_for_load): Likewise.
9298         (gen_hsa_insns_for_store): Likewise.
9299         (gen_hsa_memory_copy): New argument added.
9300         (gen_hsa_insns_for_single_assignment): Respect
9301         alignment for assignments processed via gen_hsa_memory_copy.
9302         (gen_hsa_insns_for_direct_call): Likewise.
9303         (gen_hsa_insns_for_return): Likewise.
9304         (gen_function_def_parameters): Set default alignment.
9305         * hsa.c (hsa_object_alignment): New function.
9306         (hsa_byte_alignment): Pasted function.
9307         * hsa.h (hsa_symbol::m_align): New field.
9309 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9311         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9312         scratch field for goto case.
9314 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
9316         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9318 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
9320         PR target/70442
9321         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9322         (scalar_chain::convert_insn): Call convert_op for reg
9323         moves to handle undefined registers.
9325 2016-03-31  Nathan Sidwell  <nathan@acm.org>
9327         PR c++/70393
9328         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9329         Assert we don't want to move backwards.
9331 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9333         PR target/70453
9334         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9336 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
9338         PR rtl-optimization/70460
9339         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9340         with operand from REG_LABEL_OPERAND, instead substitute
9341         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9342         Don't do anything for REG_NON_LOCAL_GOTO jumps.
9344 2016-03-31  Martin Liska  <mliska@suse.cz>
9346         * passes.c (execute_one_pass): Do not call
9347         todo_after for a discarded function.
9349 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9351         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9352         (no_cost, infinite_cost): Initialize the new field.
9353         (get_computation_cost_at): Record setup cost.
9354         (determine_use_iv_cost_address): Skip cost computation for sub
9355         uses if we can estimate it without losing accuracy.
9357 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9359         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9360         estimates here.
9361         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9362         max_loop_iterations_int.
9363         (tree_unswitch_outer_loop): Likewise.
9364         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9365         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9367 2016-03-30  Richard Biener  <rguenther@suse.de>
9369         PR middle-end/70450
9370         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9372 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
9374         PR target/70421
9375         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9376         in gen_blendm expander.
9378 2016-03-30  Nick Clifton  <nickc@redhat.com>
9380         PR target/62254
9381         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9382         case where we are already provided with an SImode SUBREG.
9384 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9386         PR target/70439
9387         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9388         conflict between DRAP register and __builtin_eh_return.
9390 2016-03-30  Michael Matz  <matz@suse.de>
9391             Richard Biener  <rguenther@suse.de>
9393         PR ipa/12392
9394         * ipa-polymorphic-call.c (struct type_change_info): Change
9395         speculative to an unsigned allowing to limit the work we do.
9396         (csftc_abort_walking_p): New inline function..
9397         (check_stmt_for_type_change): Limit the number of may-defs
9398         skipped for speculative devirtualization to
9399         max-speculative-devirt-maydefs.
9400         * params.def (max-speculative-devirt-maydefs): New param.
9401         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9403 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9405         PR target/63890
9406         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9407         and TARGET_MACHO.
9409 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9411         PR tree-optimization/59124
9412         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9413         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9415 2016-03-29  Jeff Law  <law@redhat.com>
9417         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9419 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9421         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9422         to HOST_WIDE_INT.
9424 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9426         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9427         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9428         gcrt0.o if linking dynamically.
9430 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9432         PR ipa/70283
9433         * ipa-devirt.c (methods_equal_p): New function.
9434         (compare_virtual_tables): Use it.
9435         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9436         * cgraphclones.c (clone_function_name_1): Use
9437         symbol_table::symbol_suffix_separator.
9438         * coverage.c (build_var): Likewise.
9439         * symtab.c (symbol_table::symbol_suffix_separator): New.
9441 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
9443         PR rtl-optimization/70429
9444         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
9445         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
9446         mode != result_mode.
9448         PR c++/70353
9449         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
9451         PR tree-optimization/70405
9452         * ssa-iterators.h (num_imm_uses): Add missing braces.
9454 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9456         PR rtl-optimization/68695
9457         * ira-color.c (allocno_copy_cost_saving): New.
9458         (improve_allocation): Use it.
9460 2016-03-29  Richard Henderson  <rth@redhat.com>
9462         PR middle-end/70355
9463         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
9465 2016-03-29  Richard Biener  <rguenther@suse.de>
9467         PR middle-end/70424
9468         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
9469         use alignment returned by get_pointer_alignment_1 if it is
9470         bigger than BITS_PER_UNIT.
9471         * builtins.c (get_pointer_alignment_1): Do not return true
9472         for alignment extracted from SSA info.
9474 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
9476         * config/ft32/ft32.opt (mnodiv): New.
9477         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
9478         * doc/invoke.texi (FT32 Options -mnodiv): New.
9480 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
9482         PR target/70406
9483         * config/i386/i386.md (define_split, andn): Fix modes.
9485 2016-03-26  Richard Biener  <rguenther@suse.de>
9486             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9488         PR ipa/70366
9489         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
9490         instead of
9491         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
9492         as 2nd argument to cl_optimization_restore().
9494 2016-03-25  Richard Henderson  <rth@redhat.com>
9496         PR target/70120
9497         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
9498         * config/aarch64/aarch64-protos.h: Declare it.
9499         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
9501 2016-03-25  Alan Modra  <amodra@gmail.com>
9503         PR target/70052
9504         * config/rs6000/constraints.md (j): Simplify.
9505         * config/rs6000/predicates.md (easy_fp_constant): Exclude
9506         decimal float 0.D.
9507         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
9508         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
9509          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
9510         in all constraint alternatives.
9511         (movtd_64bit_nodm): Delete "j" constraint alternative.
9513 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9515         * tree-ssa-propagate.c: Enhance docs for
9516         SSA_PROP_NOT_INTERESTING.
9518 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9520         * doc/extend.texi: Fix typo in documentation to pure attribute.
9522 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
9524         PR target/70319
9525         * config/pa/pa.md (bswapdi2): Use a scratch register.
9527 2016-03-24  Richard Henderson  <rth@redhat.com>
9529         PR middle-end/69845
9530         * fold-const.c (extract_muldiv_1): Correct test for multiplication
9531         overflow.
9533 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
9535         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
9536         using ix86_expand_binary_operator instead of gen_andsi3.
9538 2016-03-24  Richard Biener  <rguenther@suse.de>
9540         PR tree-optimization/70396
9541         * tree-vect-stmts.c (vectorizable_comparison): Use
9542         get_vectype_for_scalar_type.
9544 2016-03-24  Richard Biener  <rguenther@suse.de>
9546         PR middle-end/70370
9547         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
9548         with register bases.
9550 2016-03-24  Richard Biener  <rguenther@suse.de>
9552         PR tree-optimization/70372
9553         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
9554         build_all_ones_cst to also handle vector types correctly.
9556 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9558         PR target/70381
9559         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
9560         -mfloat128 here.
9562 2016-03-23  Marek Polacek  <polacek@redhat.com>
9564         PR c++/69884
9565         * doc/invoke.texi: Document -Wignored-attributes.
9567 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9569         PR tree-optimization/69042
9570         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
9571         parameter from 30 to 40.
9573 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9575         PR tree-optimization/69042
9576         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
9577         for use with constant offset stripped in base.
9579 2016-03-23  Richard Biener  <rguenther@suse.de>
9581         PR middle-end/70251
9582         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
9583         mode compatibility check.
9584         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9586 2016-03-23  Jeff Law  <law@redhat.com>
9588         PR tree-optimization/64058
9589         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
9590         CONFLICT_COUNT.
9591         (struct ssa_conflicts): Move up earlier in the file.
9592         (conflicts_, var_map_): New static variables.
9593         (initialize_conflict_count): New function to initialize the
9594         CONFLICT_COUNT field for each conflict pair.
9595         (compare_pairs): Lazily initialize the conflict count and use it
9596         as the first tie-breaker.
9597         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
9598         and wipe conflicts_ and map_ around the call to qsort.  Remove
9599         special case for 2 coalesce pairs.
9600         * bitmap.c (bitmap_count_unique_bits): New function.
9601         (bitmap_count_bits_in_word): New function, extracted from
9602         bitmap_count_bits.
9603         (bitmap_count_bits): Use bitmap_count_bits_in_word.
9604         * bitmap.h (bitmap_count_unique_bits): Declare it.
9606 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
9608         PR target/69917
9609         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
9610         transparent alias chain for decl assembler name.
9611         * config/sol2.c (solaris_assemble_visibility): Likewise.
9613 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9615         * config/arm/arm1020e.md (1020call_op): Reduce reservation
9616         duration.
9617         (v10_fdivs): Likewise.
9618         (v10_fdivd): Likewise.
9620 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9622         PR driver/70132
9623         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
9624         to not call fclose twice on file.
9626 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
9628         PR tree-optimization/70354
9629         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9630         oprnd0 is wider than oprnd1 and there is a cast from the wider
9631         type to oprnd1, mask it with the mask of the narrower type.
9633         PR target/70321
9634         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
9635         Optimize TARGET_STV splitters, if high or low word of last argument
9636         is 0 or -1.
9638 2016-03-22  Jeff Law  <law@redhat.com>
9640         PR target/70232
9641         tree-ssa-threadbackward.c
9642         (fsm_find_control_statement_thread_paths): Correctly distinguish
9643         between old style jump threads vs FSM jump threads.
9645 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
9647         PR target/70302
9648         * config/i386/i386.c (scalar_chain::convert_op): Support
9649         uninitialized register usage case.
9651 2016-03-22  Richard Biener  <rguenther@suse.de>
9653         PR middle-end/70251
9654         * genmatch.c (gen_transform): Adjust last parameter to a three-state
9655         int...
9656         (capture::gen_transform): ... to change behavior when substituting
9657         a condition into cond or not-cond expr context.
9658         (dt_simplify::gen_1): Adjust.
9659         * gimple-match-head.c: Include gimplify.h for unshare_expr.
9660         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
9661         last change and instead change to
9662         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
9663         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9665 2016-03-22  Anthony Green  <green@moxielogic.com>
9667         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
9668         issue for moxiebox targets.
9669         (CC1PLUS_SPEC): Ditto.
9671 2016-03-22  Richard Biener  <rguenther@suse.de>
9673         PR middle-end/70333
9674         * fold-const.c (extract_muldiv_1): Properly perform multiplication
9675         in the wide type.
9677 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9679         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
9681 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9683         PR target/70325
9684         * config/i386/i386.c (def_builtin): Handle
9685         OPTION_MASK_ISA_AVX512VL to be and-ed with other
9686         bits.
9687         (const struct builtin_description bdesc_special_args[]):
9688         Remove duplicate ISA bits.
9690 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
9692         PR target/70329
9693         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
9694         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
9695         in a way that works also for AVX512BW.
9697         PR target/70300
9698         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
9699         instead of source if operands[1] is xmm16 and above and
9700         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
9701         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
9703         PR c++/70295
9704         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
9705         on assign if (*from_p) is a comparison, set it to
9706         TREE_NO_WARNING (*from_p).
9708 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9710         PR middle-end/70326
9711         * lra.c (restore_scratches): Ignore deleted insns.
9713 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
9714             Jakub Jelinek  <jakub@redhat.com>
9716         PR tree-optimization/70317
9717         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
9718         to HONOR_NANS.
9720 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
9722         PR target/70327
9723         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
9724         of ix86_expand_move.
9725         (movoi): Ditto.
9726         (movti): Use general_operand for operand 1 predicate.
9728 2016-03-21  Martin Liska  <mliska@suse.cz>
9730         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
9731         insns.
9732         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
9734 2016-03-21  Martin Liska  <mliska@suse.cz>
9736         PR ipa/70306
9737         * ipa-icf.c (sem_function::parse): Skip static
9738         constructors and destructors.
9740 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9742         PR target/70296
9743         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
9744         function-like macro, peek following token(s) if it is followed
9745         by CPP_OPEN_PAREN token with optional padding in between, and
9746         if not, don't treat it like a macro.
9748 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
9749             Alexander Monakov  <amonakov@ispras.ru>
9751         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
9752         for the stabs debug format.
9754 2016-03-21  Richard Biener  <rguenther@suse.de>
9756         PR tree-optimization/70310
9757         * tree-vect-generic.c (expand_vector_condition): Fold the built
9758         condition.
9760 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
9762         PR target/70293
9763         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
9764         Block third alternative for AVX-512VL target,
9766 2016-03-21  Martin Liska  <mliska@suse.cz>
9768         PR hsa/70234
9769         * hsa-brig.c (emit_function_directives): Mark unemitted
9770         global variables for emission.
9771         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
9772         (get_symbol_for_decl): Likewise.
9773         * hsa.h (struct hsa_symbol): New flag.
9775 2016-03-21  Richard Biener  <rguenther@suse.de>
9777         PR tree-optimization/70288
9778         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
9779         we do not estimate unsimplified all-constant conditionals or
9780         switches as optimized away.
9782 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
9784         PR rtl-optimization/69102
9785         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
9786         when we have a readonly dependency context.
9788 2016-03-18  Jeff Law  <law@redhat.com>
9790         PR rtl-optimization/70263
9791         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
9792         (update_equiv_regs): When trying to move a store to after the insn
9793         that sets the source of the store, make sure the store occurs after
9794         the insn that sets the source of the store.  When successful note
9795         the REG_EQUIV note created in the dump file.
9797 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
9798             Bernd Schmidt  <bschmidt@redhat.com>
9800         * doc/extend.texi: Document more potential problems with basic asms.
9802 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
9804         PR rtl-optimization/70278
9805         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
9806         VOIDmode.
9808 2016-03-18  Jason Merrill  <jason@redhat.com>
9810         * calls.c (load_register_parameters): Fix zero size sibcall logic.
9812 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
9814         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
9815         values to 128b regs.
9817 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
9819         PR tree-optimization/70252
9820         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
9821         boolean vector has a proper number of elements.
9822         (supportable_narrowing_operation): Likewise.
9824 2016-03-18  Tom de Vries  <tom@codesourcery.com>
9826         PR ipa/70269
9827         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
9829 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
9831         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
9832         instead of replace_rtx for DEBUG_INSNs.
9834 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9836         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
9837         load type reservations.
9839 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
9841         PR target/70188
9842         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
9843         define_constraint for "Q" and "T" constraints.
9845 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
9847         Tweak the pipeline model for Exynos M1
9849         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
9850         model.
9852 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
9854         PR c/70264
9855         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
9856         where one or both locations aren't within a line_map.
9858 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9860         PR driver/70192
9861         * opts.c (finish_options): Don't set flag_pie to the default if
9862         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
9863         if it is -1.
9865 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
9867         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
9868         true as ALL_REGS argument to replace_rtx.
9870 2016-03-17  Richard Biener  <rguenther@suse.de>
9872         PR debug/70271
9873         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
9874         last.
9876 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
9878         PR target/70245
9879         * rtl.h (replace_rtx): Add ALL_REGS argument.
9880         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
9881         equality and assert mode is the same, instead of just rtx pointer
9882         equality.
9883         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
9884         true as ALL_REGS argument to replace_rtx.
9886 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
9888         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
9889         for boolean vector with vector mode only.
9890         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9892 2016-03-17  Nick Clifton  <nickc@redhat.com>
9894         PR target/70162
9895         * config/rx/rx.c (rx_print_integer): Print negative constants in
9896         decimal.
9898 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
9900         PR target/70261
9901         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
9903 2016-03-16  Richard Henderson  <rth@redhat.com>
9904             Richard Biener  <rguenth@suse.de>
9906         PR middle-end/70240
9907         PR middle-end/68215
9908         PR tree-opt/68714
9909         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
9910         first operand as is_gimple_condexpr.
9912         PR middle-end/70240
9913         PR middle-end/68215
9914         Revert r231575
9915         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
9916         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
9917         Do not gimplify the result.
9918         (do_unop): Adjust call to tree_vec_extract.
9919         (do_binop): Likewise.
9920         (do_compare): Likewise.
9921         (do_plus_minus): Likewise.
9922         (do_negate): Likewise.
9923         (expand_vector_condition): Likewise.
9924         (do_cond): Likewise.
9926 2016-03-16  Richard Henderson  <rth@redhat.com>
9928         PR target/70048
9929         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
9930         (aarch64_classify_address): Use it.
9931         (aarch64_legitimize_address): Force all subexpressions of PLUS
9932         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
9934 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
9935             Richard Biener  <rguenth@suse.de>
9937         PR target/70245
9938         * rtlanal.c (replace_rtx): For REG, if from is a REG,
9939         return to even if only REGNO is equal, and assert
9940         mode is the same.
9942 2016-03-11  Jeff Law  <law@redhat.com>
9944         PR rtl-optimization/70224
9945         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
9947 2016-03-16  Richard Henderson  <rth@redhat.com>
9949         PR middle-end/70199
9950         * function.h (struct function): Add has_forced_label_in_static.
9951         * gimplify.c (force_labels_r): Set it.
9952         * lto-streamer-in.c (input_struct_function_base): Read it.
9953         * lto-streamer-out.c (output_struct_function_base): Write it.
9954         * tree-inline.c (has_label_address_in_static_1): Remove.
9955         (copy_forbidden): Remove fndecl parameter; test
9956         has_forced_label_in_static.
9957         (inline_forbidden_p): Update call to copy_forbidden.
9958         (tree_versionable_function_p): Likewise.
9959         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
9960         (chkp_versioning): Likewise.
9961         * tree-inline.h (copy_forbidden): Update decl.
9963 2016-03-16  Marek Polacek  <polacek@redhat.com>
9965         PR c/70093
9966         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
9967         function being thunked if the result type doesn't have fixed size.
9968         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
9969         doesn't have fixed size.
9971 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
9973         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
9974         reporting malformed loop nest.
9976 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9978         PR lto/70187
9979         * ipa-devirt.c (possible_polymorphic_call_targets): Move
9980         nodes.length () == 1 test to before first nodes[0] access.
9982 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9984         PR tree-optimization/68715
9985         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
9986         single_pred_p test.
9988 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9990         PR tree-optimization/68809
9991         * graphite-scop-detection.c (same_close_phi_node): Test if result types
9992         are the same.
9994 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
9995             Sandra Loosemore  <sandra@codesourcery.com>
9997         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
9998         on leaf attribute. Mention ELF interposition problems.
10000 2016-03-16  Alan Modra  <amodra@gmail.com>
10002         PR rtl-optimization/69195
10003         PR rtl-optimization/47992
10004         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10005         Add comments.
10007 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10009         PR bootstrap/69513
10010         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10012 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10014         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10016 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10018         PR rtl-optimization/70222
10019         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10020         optimization if mode is different from result_mode, queue up masking
10021         of the result in outer_op.  Formatting fix.
10023         PR middle-end/70239
10024         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10025         of safe_grow.
10027 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10029         PR rtl-optimization/69032
10030         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10031         looping backwards over basic block insns.
10033 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10035         PR target/66660
10036         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10037         to non-speculative when propagating trap bits.
10039 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10041         PR rtl-optimization/63384
10042         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10043         DEBUG_INSN_P insns.
10045 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10047         PR target/64411
10048         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10049         factored out from ...
10050         (sched_analyze_insn): ... here.
10051         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10052         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10053         get_implicit_reg_pending_clobbers in it.
10054         (setup_id_reg_sets): Use setup_id_implicit_regs.
10055         (deps_init_id): Ditto.
10057 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10059         PR ipa/70161
10060         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10061         dump_file_name.
10062         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10063         execute_function_dump.
10064         (execute_one_pass): Don't dump function if it will be dumped after ipa
10065         transform.
10067 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10069         * genrecog.c (match_pattern_2): If pred is NULL don't call
10070         safe_predicate_mode on it.
10072 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10074         PR middle-end/70219
10075         * lra-constraints.c (delete_move_and_clobber): Change assertion
10076         to also allow dregno == 0.
10078 2016-03-14  Richard Henderson  <rth@redhat.com>
10080         PR tree-opt/68714
10081         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10082         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10083         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10084         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10085         on vectors.
10087 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10089         PR target/70083
10090         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10091         regs.
10092         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10093         VOIDmode.
10094         * lra-constraints.c (split_reg): For hard regs, try to find the
10095         biggest single-register mode used in the function.
10097 2016-03-14  Richard Biener  <rguenther@suse.de>
10099         PR tree-optimization/56365
10100         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10101         constants to compare against.
10103 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10105         PR target/70098
10106         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10107         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10108         (define_split for the GPR case): Use int_reg_operand instead of
10109         gpc_reg_operand for the output.
10111 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10113         PR tree-optimization/70045
10114         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10115         create_empty_if_region_on_edge argument.
10117 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10119         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10120         (STACK_CHECK_PROTECT): Likewise.
10121         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10122         (STACK_CHECK_PROTECT): Likewise.
10123         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10124         (STACK_CHECK_PROTECT): Likewise.
10125         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10126         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10127         (STACK_CHECK_PROTECT): Likewise.
10129 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10131         PR rtl-optimization/69307
10132         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10133         registers in modes that span more than one register.
10135 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10137         PR target/69614
10138         * lra-constraints.c (delete_move_and_clobber): New.
10139         (remove_inheritance_pseudos): Use it.
10141 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10143         PR ada/70017
10144         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10145         the libcall is LCT_THROW.
10146         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10147         for the checking routine.
10149 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10151         PR target/70131
10152         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10153         optimization if we have direct move.
10154         (roundu32<mode>2_fprs): Likewise.
10156 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10158         PR target/70123
10159         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10160         be rematerialized.
10161         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10162         Arguments swapped.  All callers changed.  Take reg_renumber into
10163         account, and Calculate and compare register ranges for hard regs.
10165 2016-03-11  Jeff Law  <law@redhat.com>
10167         PR tree-optimization/70190
10168         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10169         Handle cases where we can not extract the taken edge, even though we
10170         found a constant value.
10172         PR tree-optimization/64058
10173         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10174         (num_coalesce_pairs): Move up earlier in file.
10175         (find_coalesce_pair): Initialize the INDEX field for each pair
10176         discovered.
10177         (compare_pairs): No longer sort on the elements in each pair.
10178         Instead break ties with the index of the coalesce pair.
10180 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10182         PR target/70002
10183         * config/aarch64/aarch64-protos.h
10184         (aarch64_save_restore_target_globals): New prototype.
10185         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10186         Call the above when popping pragma.
10187         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10188         New function.
10189         (aarch64_set_current_function): Rewrite using the above.
10191 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10193         PR tree-optimization/70177
10194         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10195         (extract_ops_from_tree): ... this.  In the 2 argument
10196         overload remove _1 suffix.
10197         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10198         (extract_ops_from_tree): ... this.
10199         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10200         Adjust callers.
10201         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10202         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10203         extract_ops_from_tree instead of 2 operand one.
10205 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10207         PR tree-optimization/70013
10208         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10209         for constant-pool entries.
10211 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10213         PR rtl-optimization/70174
10214         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10215         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10217         PR tree-optimization/70169
10218         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10219         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10220         for unknown codes.
10222 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10223             Jakub Jelinek  <jakub@redhat.com>
10225         PR target/70160
10226         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10227         of uninitialized values.
10229 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10231         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10232         define_expand.
10233         ("*trunctddd2"): New pattern definition.
10234         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10235         TD->DD truncation.
10237 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10239         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10240         definitions for BFP and DFP rounding modes.
10241         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10242         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10243         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10244         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10245         numbers.
10247 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10249         * config/s390/constraints.md: Adjust comment.
10250         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10251         s390_decompose_addrstyle_without_index.
10252         * config/s390/predicates.md (shift_count_or_setmem_operand):
10253         Rename to setmem_operand.
10254         * config/s390/s390-protos.h
10255         (s390_decompose_shift_count): Rename to
10256         s390_decompose_addrstyle_without_index.
10257         * config/s390/s390.c (s390_decompose_shift_count)
10258         (s390_mem_constraint, print_shift_count_operand)
10259         (print_operand_address, print_operand): Rename
10260         s390_decompose_shift_count to
10261         s390_decompose_addrstyle_without_index and rename
10262         print_shift_count_operand to print_addrstyle_operand troughout the
10263         file.
10264         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10265         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10266         Rename shift_count_or_setmem_operand to setmem_operand.
10267         * config/s390/vx-builtins.md ("vec_insert<mode>")
10268         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10269         nonmemory_operand.
10271 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10273         PR target/70168
10274         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10275         Handle overlapping retval and newval.
10277 2016-03-10  Nick Clifton  <nickc@redhat.com>
10279         PR target/7044
10280         * config/aarch64/aarch64.c
10281         (aarch64_override_options_after_change_1): When forcing
10282         flag_omit_frame_pointer to be true, use a special value that can
10283         be detected if this function is called again, thus preventing
10284         flag_omit_leaf_frame_pointer from being forced to be false.
10286 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10288         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10289         Set x_flag_omit_leaf_frame_pointer when handling
10290         -momit-leaf-frame-pointer.
10292 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10294         PR lto/69589
10295         * cgraph.c (cgraph_node::dump): Dump split_part and
10296         indirect_call_target.
10297         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10298         * ipa.c (has_addr_references_p): Cleanup.
10299         (is_indirect_call_target_p): New.
10300         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10301         called indirectly as local.
10302         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10304 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10306         PR ipa/69630
10307         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10308         on cxa_pure_virtual.
10310 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10312         PR lto/69589
10313         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10315 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10317         PR lto/69589
10318         * tree.c (need_assembler_name_p): Only record main variant type names.
10320 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10322         PR target/70113.
10323         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10324         Always define to 0 or 1.
10325         (TARGET_FIX_ERR_A53_843419): New macro.
10326         * config/aarch64/aarch64-elf-raw.h
10327         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10328         * config/aarch64/aarch64-linux.h: Likewise.
10329         * config/aarch64/aarch64.c
10330         (aarch64_override_options_after_change_1): Do not default
10331         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10332         843419 is on.
10333         (aarch64_attributes): Handle fix-cortex-a53-843419.
10334         (aarch64_can_inline_p): Likewise.
10335         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10337 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
10338         Jakub Jelinek <jakub@redhat.com>
10340         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10341         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10342         DECL_COMMONS if flag_unconstrained_commons is set.
10343         * tree-dfa.c (get_ref_base_and_extent): Likewise.
10344         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10345         (funconstrained-commons): Document.
10347 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10349         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10350         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10352 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
10354         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10355         has a proper number of elements.
10357 2016-03-10  Alan Modra  <amodra@gmail.com>
10359         PR rtl-optimization/69195
10360         PR rtl-optimization/47992
10361         * ira.c (recorded_label_ref): Delete.
10362         (update_equiv_regs): Return void.
10363         (indirect_jump_optimize): New function.
10364         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10365         before regstat_compute_ri.  Don't rebuild_jump_labels here.
10366         Delete update_regstat.
10368 2016-03-10  Richard Biener  <rguenther@suse.de>
10370         PR tree-optimization/70128
10371         * tree-ssa-structalias.c (set_uids_in_ptset): Set
10372         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10374 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10376         PR tree-optimization/70152
10377         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10378         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10380         PR target/70086
10381         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10382         instead of gen_sse2_loadlpd.
10383         * config/i386/sse.md (*vec_concatv2df): Rename to...
10384         (vec_concatv2df): ... this.
10386         PR tree-optimization/70127
10387         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10389 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10391         PR c/68473
10392         PR c++/70105
10393         * diagnostic-show-locus.c (compatible_locations_p): New function.
10394         (layout::layout): Sanitize ranges using compatible_locations_p.
10396 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10398         PR c/68473
10399         PR c++/70105
10400         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10401         location_range param with three const expanded_locations * and a
10402         bool.
10403         (layout::layout): Replace call to
10404         rich_location::lazily_expand_location with get_expanded_location.
10405         Extract the range and perform location expansion here, passing
10406         the results to the layout_range ctor.
10407         * diagnostic.c (source_range::debug): Delete.
10408         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10409         of rich_location::get_expanded_location.
10410         * gcc-rich-location.c (get_range_for_expr): Delete.
10411         (gcc_rich_location::add_expr): Reimplement to avoid the
10412         rich_location::add_range overload that took a location_range,
10413         passing a location_t instead.
10415 2016-03-09  Richard Biener  <rguenther@suse.de>
10416         Jakub Jelinek  <jakub@redhat.com>
10418         PR tree-optimization/70138
10419         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10420         Also skip vect_double_reduction_def.
10422 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10424         PR target/70049
10425         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10426         if the operand is "m".
10428 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10430         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10432 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10434         * config/i386/i386.c (processor_target_table): Fix cost table
10435         intialization order for znver1.
10437 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10439         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10440         - becuase -> because.
10441         * ipa-reference.c (ignore_module_statics): Likewise.
10442         * cgraph.c (cgraph_node::get_body): Likewise.
10443         * ipa-inline.c (early_inliner): Likewise.
10444         * ipa-devirt.c (types_same_for_odr): Likewise.
10445         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
10446         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
10448 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10450         * tree-ssa-math-opts.c: Fix typo in comment.
10452 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10454         PR target/70110
10455         * config/i386/i386.c (scalar_chain::make_vector_copies,
10456         scalar_chain::convert_reg): Call end_sequence in between
10457         get_insns and emit_conversion_insns rather than after both
10458         calls.
10460 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
10462         PR target/70064
10463         * config/i386/i386.h (machine_function): Add
10464         pc_thunk_call_expanded flag.
10465         (ix86_pc_thunk_call_expanded): New define.
10466         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
10467         (*set_got): Rename insn pattern from set_got.
10468         (*set_got_labelled): Rename inst pattern from set_got_labelled.
10469         * config/i386/i386.c (ix86_compute_frame_layout): Use
10470         ix86_pc_thunk_call_expanded to prevent red-zone.
10472 2016-03-07  Martin Jambor  <mjambor@suse.cz>
10474         * hsa.h (hsa_get_ctor_statements): Declare.
10475         (hsa_get_dtor_statements): Likewise.
10476         (hsa_get_kernel_dispatch_type): Likewise.
10477         * hsa.c (hsa_get_ctor_statements): New function.
10478         (hsa_get_dtor_statements): Likewise.
10479         (hsa_get_kernel_dispatch_type): Likewise.
10480         * hsa-brig.c (hsa_cdtor_statements): Removed.
10481         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
10482         hsa_get_dtor_statements.
10483         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
10484         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
10486 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
10488         * config/arm/arm-cores.def (cortex-r8): New.
10489         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
10490         * config/arm/arm-tune.md: Likewise.
10491         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
10493 2016-03-07  Martin Sebor  <msebor@redhat.com>
10495         PR rtl-optimization/19705
10496         * doc/invoke.texi (Options That Control Optimization): Clarify
10497         -fno-branch-count-reg.
10499 2016-02-26  Richard Biener  <rguenther@suse.de>
10500             Jeff Law  <law@redhat.com>
10502         PR tree-optimization/69740
10503         * cfghooks.c (remove_edge): Request loop fixups if we delete
10504         an edge that might turn an irreducible loop into a natural
10505         loop.
10506         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
10507         Move after definition of loops_state_clear.
10509 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
10511         PR rtl-optimization/69052
10512         * rtlanal.c (commutative_operand_precedence): Set higher precedence
10513         to CONST_WIDE_INT.
10515 2016-03-07  Tom de Vries  <tom@codesourcery.com>
10517         PR tree-optimization/70116
10518         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
10519         is_tm_ending stmts and ubsan/asan internal functions.
10520         (find_duplicate): Use it.  Don't test is_tm_ending here.
10522 2016-03-07  Richard Biener  <rguenther@suse.de>
10524         PR tree-optimization/70115
10525         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
10526         (propagate_constants_for_unrolling): Use replace_uses_by.
10528 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
10530         PR middle-end/69916
10531         * omp-low.c (struct oacc_loop): Add ifns.
10532         (new_oacc_loop_raw): Initialize it.
10533         (finish_oacc_loop): Clear mask & flags if no ifns.
10534         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
10535         (oacc_loop_xform_loop): Add ifns arg & adjust.
10536         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
10538 2016-03-07  Richard Henderson  <rth@redhat.com>
10540         PR rtl-opt/70061
10541         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
10542         (insert_value_copy_on_edge): Likewise.
10544 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10546         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
10548 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10550         PR target/62281
10551         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
10553 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10555         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
10557 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10559         Fix sseimul type attribute.
10560         * config/i386/znver1.md
10561         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
10562         znver1_sseimul_avx256_load) : Fix the type attribute.
10563         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
10564         pipe usage and latency.
10566 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
10568         PR c++/70084
10569         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
10570         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
10571         to the right type.
10573 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10575         PR c/69973
10576         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
10578         PR rtl-optimization/69941
10579         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
10580         the reg share its mode.
10582 2016-03-04  Jeff Law  <law@redhat.com>
10584         PR tree-optimization/69196
10585         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10586         If the both SSA_NAMEs are anonymous, then consider them unassociated
10587         and include the PHI in the statement count.
10589 2016-03-05  Tom de Vries  <tom@codesourcery.com>
10591         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
10592         construct in oacc routine.  Check for oacc region in oacc routine.
10594 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10596         PR target/70062
10597         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
10598         2016-02-22 changes, instead don't recurse if RECUR is already true.
10599         Don't change *dynamic_check if RECUR.  Adjust recursive caller
10600         to pass true to the new argument.
10601         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
10603         PR target/70059
10604         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10605         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
10606         fixes.
10607         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
10609 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10611         PR rtl-optimization/57676
10612         * lra-assigns.c (lra_assign): Guard test for maximum iterations
10613         with flag_checking.
10615 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
10617         * tree-vect-patterns.c (search_type_for_mask): Handle
10618         comparison of booleans.
10620 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10622         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
10623         Fix @xref usage.
10625         PR debug/69947
10626         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
10627         all other ops that have dw_val_class_die_ref operands,
10628         and DW_OP_GNU_entry_value.
10630 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10632         PR rtl-optimization/69904
10633         * config/arm/arm.c (arm_cannot_copy_insn_p):
10634         Return true for load-exclusive instructions.
10636 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
10638         PR target/70021
10639         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
10640         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
10641         the pattern no matter if it is used just by non-pattern, pattern
10642         or mix thereof.
10643         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
10644         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10645         oprnd1 def_stmt is in pattern, don't look through it.
10647 2016-03-03  Marek Polacek  <polacek@redhat.com>
10649         PR middle-end/70050
10650         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
10652 2016-03-03  Martin Liska  <mliska@suse.cz>
10654         PR tree-optimization/70043
10655         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
10656         previous statement if we see a debug statement.
10658 2016-03-03  Richard Biener  <rguenther@suse.de>
10660         PR tree-optimization/55936
10661         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
10662         parameter and guard unsafe equivalence use.
10663         (vrp_evaluate_conditional_warnv_with_ops): Always use
10664         safe equivalences but not via the quadratic compare_names
10665         helper.
10667 2016-03-03  Michael Collison  <michael.collison@linaro.org>
10669         PR target/70014
10670         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
10671         for operand 1 to s_register_operand. Change predicate for operand
10672         2 to arm_not_immediate_operand.
10674 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
10676         * doc/tm.texi: Regenerated.
10678 2016-03-02  Richard Henderson  <rth@redhat.com>
10680         PR rtl-opt/67145
10681         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
10682         simplification when all args are positive non-fixed registers.
10684 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10686         * target.def (lra_p): Specify that new ports should use LRA.
10688 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10690         PR libgomp/69555
10691         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
10692         gimplify_type_sizes the type they refer to.
10693         (omp_notice_variable): Handle reference vars to VLAs.
10694         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
10695         reference to VLA decls in the second pass instead of first pass.
10697 2016-03-02  Tom de Vries  <tom@codesourcery.com>
10699         PR tree-optimization/68659
10700         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
10701         new_expr == NULL_TREE.
10702         (get_new_name): Handle ADDR_EXPR.
10704 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
10706         PR rtl-optimization/69052
10707         * loop-invariant.c (canonicalize_address): New function.
10708         (inv_can_prop_to_addr_use): Check validity of address expression
10709         which is canonicalized by above function.
10711 2016-03-02  Alan Modra  <amodra@gmail.com>
10713         PR ipa/69990
10714         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
10715         larger alignment.
10717 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10719         PR target/70028
10720         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
10721         (*movhi_internal): Put mask moves from and to memory separately
10722         from moves from/to GPRs.
10724 2016-03-02  Richard Biener  <rguenther@suse.de>
10726         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
10727         GENERIC expressions in GIMPLE.
10729 2016-03-02  Richard Biener  <rguenther@suse.de>
10731         * config/i386/i386.c (type_natural_mode): Fix typo.
10733 2016-03-02  Nick Clifton  <nickc@redhat.com>
10735         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
10737 2016-03-02  Richard Biener  <rguenther@suse.de>
10738             Uros Bizjak  <ubizjak@gmail.com>
10740         PR target/67278
10741         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
10743 2016-03-02  Richard Biener  <rguenther@suse.de>
10745         PR middle-end/67278
10746         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
10748 2016-03-02  Marek Polacek  <polacek@redhat.com>
10750         PR c/67854
10751         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
10752         "is promoted to" warning.
10754 2016-03-01  DJ Delorie  <dj@redhat.com>
10756         * config.gcc: Deprecate mep-*.
10758 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
10760         PR middle-end/70025
10761         * lra-constraints.c (regno_val_use_in): New.
10762         (match_reload): Use it instead of regno_use_in.
10764 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10766         PR rtl-optimization/70007
10767         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
10768         references present in REG_EQUAL notes attached to non-SET patterns.
10770 2016-03-01  Jeff Law  <law@redhat.com>
10772         PR tree-optimization/69196
10773         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10774         Appropriately clamp the number of statements to copy when the
10775         thread path does not traverse a loop backedge.
10777         PR tree-optimization/69196
10778         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10779         Do count some PHIs in the thread path against the insn count.  Decrease
10780         final statement count by one as the control statement in the last
10781         block will get removed.  Remove special cased code for handling PHIs
10782         in the last block.
10784 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
10786         PR target/70027
10787         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
10788         asm dialect alternatives to explicit GOTPCREL calls.
10790 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10792         PR ada/70017
10793         * ira.c (do_reload): Issue warning for generic stack checking here...
10794         * reload1.c (reload): ...instead of here and streamline it.
10796 2016-03-01  Nick Clifton  <nickc@redhat.com>
10798         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
10800 2016-03-01  Richard Biener  <rguenther@suse.de>
10802         PR tree-optimization/69983
10803         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
10804         types and fall back to operand_equal_p.
10806 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10808         Revert
10809         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10811         * config/s390/constraints.md ("jm8"): New constraint.
10812         * config/s390/predicates.md ("const_int_8bitset_operand"): New
10813         predicate.
10814         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
10815         into ...
10816         ("*setmem_long<setmem_and>"): New pattern.
10817         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
10818         into ...
10819         ("*setmem_long_31z<setmem_and>"): New pattern.
10820         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
10821         New substitution rules with the required attributes.
10824 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10826         Revert
10827         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10829         * gensupport.c (process_substs_on_one_elem): Split loop to
10830         complete mark_operands_used_in_match_dup on all expressions in the
10831         vector first.
10832         (adjust_operands_numbers): Inline into process_substs_on_one_elem
10833         and remove function.
10835 2016-03-01  Richard Biener  <rguenther@suse.de>
10837         PR middle-end/70022
10838         * fold-const.c (fold_indirect_ref_1): Fix range checking for
10839         vector BIT_FIELD_REF extract.
10841 2016-03-01  Richard Biener  <rguenther@suse.de>
10843         PR tree-optimization/69994
10844         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
10846 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
10848         PR tree-optimization/69956
10849         * tree-vect-stmts.c (supportable_widening_operation): Support
10850         multi-step conversion of boolean vectors.
10851         (supportable_narrowing_operation): Likewise.
10853 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10855         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
10856         anymore.
10858 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10860         * config/s390/subst.md (DSI_VI): New mode iterator.
10861         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
10862         * config/s390/vector.md ("vec_set<mode>"): Move expander before
10863         the insn definition.
10864         ("*vec_set<mode>"): Change predicate and add alternative to
10865         support only either register or const_int operands as element
10866         selector.
10867         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
10868         operands.
10869         ("vec_extract<mode>"): New expander.
10870         ("*vec_extract<mode>"): New insn definition supporting reg and
10871         const_int element selectors.
10872         ("*vec_extract<mode>_plus"): New insn definition supporting
10873         reg+const_int element selectors.
10874         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
10875         following expander+insn definition.
10876         ("<vec_shifts_name><mode>3"): New expander.
10877         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
10879 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10881         * config/s390/s390.md ("*tabort_1"): Change predicate to
10882         nonmemory_operand.  Add a second alternative to cover
10883         register as well as const int operands.
10884         ("*tabort_1_plus"): New pattern definition.
10886 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10888         * config/s390/s390.md ("*ashrdi3_cc_31")
10889         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
10890         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
10891         Merge insn definitions into ...
10892         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10893         New pattern definition.
10894         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
10895         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
10896         ("*ashr<mode>3_and"): Merge insn definitions into ...
10897         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10898         New pattern definition.
10899         * config/s390/subst.md ("addr_style_op_cc_subst")
10900         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
10901         substitutions patterns plus attributes.
10902         Add ashiftrt to SUBST iterator.
10904 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10906         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
10907         op2 to nonmemory_operand.
10908         ("*<shift>di3_31", "*<shift>di3_31_and"):
10909         Merge into single pattern definition ...
10910         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
10911         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
10912         pattern definition ...
10913         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
10914         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
10915         iterator.
10917 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10919         * config/s390/predicates.md (const_int_6bitset_operand): New
10920         predicate.
10921         * config/s390/s390.md: Include subst.md.
10922         ("rotl<mode>3"): New expander.
10923         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
10924         ...
10925         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
10926         * config/s390/subst.md: New file.
10928 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10930         * config/s390/s390.md ("op_type", "atype", "length" attributes):
10931         Remove RRR type.  It doesn't really exist.
10932         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
10933         attributes.
10934         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
10935         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
10936         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
10937         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
10938         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
10939         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
10940         `enabled' attribute.
10942 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10944         * gensupport.c (process_substs_on_one_elem): Split loop to
10945         complete mark_operands_used_in_match_dup on all expressions in the
10946         vector first.
10947         (adjust_operands_numbers): Inline into process_substs_on_one_elem
10948         and remove function.
10950 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
10952         PR target/69706
10953         * config/sparc/sparc.c (NWORDS_UP): Rename to...
10954         (CEIL_NWORDS): ...this.  Use CEIL macro.
10955         (compute_fp_layout): Adjust to above renaming.
10956         (function_arg_union_value): Likewise.
10957         (sparc_arg_partial_bytes): Likewise.
10958         (sparc_function_arg_advance): Likewise.
10960 2016-02-29  Jeff Law  <law@redhat.com>
10962         PR tree-optimization/70005
10963         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
10964         where an object with a boolean range is compared against a value
10965         outside [0..1].
10967         PR tree-optimization/69999
10968         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
10969         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
10970         loop cleanups.
10972 2016-02-29  Richard Biener  <rguenther@suse.de>
10974         PR tree-optimization/69994
10975         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
10976         (get_unary_op): Look through nop conversions.
10977         (ops_equal_values_p): New function, look for equality diregarding
10978         nop conversions.
10979         (eliminate_plus_minus_pair): Use ops_equal_values_p
10980         (repropagate_negates): Do not use get_unary_op here.
10982 2016-02-29  Martin Liska  <mliska@suse.cz>
10984         * system.h: Poison ENABLE_CHECKING macro.
10986 2016-02-29  Martin Liska  <mliska@suse.cz>
10988         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
10989         is presented in dump flags.
10990         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
10991         (hsa_regalloc): Likewise.
10993 2016-02-19  Richard Biener  <rguenther@suse.de>
10995         PR tree-optimization/69980
10996         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
10997         permutation of those we need to keep.
10999 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11001         PR target/69706
11002         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11003         (NWORDS_UP): ...this
11004         (init_cumulative_args): Minor tweaks.
11005         (sparc_promote_function_mode): Likewise.
11006         (scan_record_type): Delete.
11007         (traverse_record_type): New function template.
11008         (classify_data_t): New structure type.
11009         (classify_registers): New inline function.
11010         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11011         exhausted.  Instantiate traverse_record_type on classify_registers and
11012         deal with the case of a structure passed in slot #15 with no FP field
11013         in the first word.
11014         (assign_data_t): New structure type.
11015         (compute_int_layout): New static function.
11016         (compute_fp_layout): Likewise.
11017         (count_registers): New inline function.
11018         (assign_int_registers): New static function.
11019         (assign_fp_registers): Likewise.
11020         (assign_registers): New inline function.
11021         (function_arg_record_value_1): Delete.
11022         (function_arg_record_value_2): Likewise.
11023         (function_arg_record_value_3): Likewise.
11024         (function_arg_record_value): Adjust to above changes.  Instantiate
11025         traverse_record_type on count_registers to first count the number of
11026         registers to be used and then on assign_registers to assign them.
11027         (function_arg_union_value): Adjust to above renaming.
11028         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11029         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11030         case of a structure passed in slot #15
11031         (sparc_function_arg_advance): Likewise.
11032         (function_arg_padding): Minor tweak.
11034 2016-02-29  Richard Biener  <rguenther@suse.de>
11036         PR tree-optimization/69720
11037         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11038         the adjustment_def path for possibly vectorized defs.
11039         (vect_create_epilog_for_reduction): Handle vectorized initial
11040         defs properly.
11042 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11044         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11046 2016-02-27  Jeff Law  <law@redhat.com>
11048         Revert
11049         2016-02-26  Richard Biener  <rguenther@suse.de>
11050                     Jeff Law  <law@redhat.com>
11052         PR tree-optimization/69740
11053         * cfghooks.c (remove_edge): Request loop fixups if we delete
11054         an edge that might turn an irreducible loop into a natural
11055         loop.
11057 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11059         PR rtl-optimization/69896
11060         * tree-vect-generic.c (get_compute_type): Avoid single element
11061         vector types.
11063 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11065         Rename the AArch64 tuning option and related functions to enable the
11066         Newton series for the reciprocal square root to reflect its
11067         approximative characteristic.
11069         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11070         function to "aarch64_emit_approx_rsqrt".
11071         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11072         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11073         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11074         (xgene1_tunings): Likewise.
11075         (use_rsqrt_p): Likewise.
11076         (aarch64_emit_swrsqrt): Use new function name.
11077         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11078         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11079         text explaining this option.
11080         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11082 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11084         PR target/69969
11085         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11086         complain about -mallow-movmisalign without -mvsx if
11087         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11089 2016-02-26  Joel Sherrill  <joel@rtems.org>
11091         * config.gcc: Add x86_64-*-rtems*.
11092         * config/i386/rtems-64.h: New file.
11094 2016-02-26  Joel Sherrill  <joel@rtems.org>
11096         * config.gcc: Add aarch64-*-rtems*.
11097         * config/aarch64/rtems.h: New file.
11099 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11101         PR target/69946
11102         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11103         shift amount using %h.  Add comment.
11105 2016-02-26  Richard Biener  <rguenther@suse.de>
11106             Jeff Law  <law@redhat.com>
11108         PR tree-optimization/69740
11109         * cfghooks.c (remove_edge): Request loop fixups if we delete
11110         an edge that might turn an irreducible loop into a natural
11111         loop.
11113 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11115         PR middle-end/69920
11116         * tree-sra.c (sra_modify_assign): Do not remove loads of
11117         uninitialized aggregates to SSA_NAMEs.
11119 2016-02-26  Richard Henderson  <rth@redhat.com>
11121         PR target/69709
11122         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11123         pseudo in case the target rtx matches the source of the left
11124         shift.
11126 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11128         PR hsa/69568
11129         * hsa.h (hsa_type_packed_p): Declare.
11130         * hsa.c (hsa_type_packed_p): New function.
11131         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11132         loads.
11133         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11134         * hsa-brig.c (emit_basic_insn): Likewise.
11136 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11138         pr hsa/69674
11139         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11140         pointers.
11141         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11143 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11145         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11146         hsa_op_with_type operands.
11147         (hsa_unsigned_type_for_type): Declare.
11148         * hsa.c (hsa_unsigned_type_for_type): New function.
11149         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11150         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11151         the finalizer.  Do not emit extra move.
11153 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11155         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11156         atomic operations in private segment.
11158 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11160         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11161         statements to wi->info.  Also disallow omp simd constructs.
11162         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11163         for not gridifying.  Dump special string for omp_for.
11165 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11167         PR target/69245
11168         * config/aarch64/aarch64.c (aarch64_set_current_function):
11169         Save/restore target globals when switching to
11170         target_option_default_node.
11172 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11174         PR target/69613
11175         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11176         Return 0 if !SHIFT_COUNT_TRUNCATED.
11178 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11179             Eric Botcazou  <ebotcazou@adacore.com>
11181         PR rtl-optimization/69891
11182         * dse.c (scan_insn): If we can't figure out memset arguments
11183         or they are non-constant, call clear_rhs_from_active_local_stores.
11185 2016-02-26  Martin Liska  <mliska@suse.cz>
11187         * doc/extend.texi: Mention clog10, clog10f an clog10l
11188         in Builtins section.
11190 2016-02-26  Martin Liska  <mliska@suse.cz>
11192         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11193         CHECKING_P.
11194         (resolve_args_picking_1): Likewise.
11195         * dwarf2out.h (struct GTY): Likewise.
11197 2016-02-26  Martin Liska  <mliska@suse.cz>
11199         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11200         with flag_checking.
11201         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11203 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11204             Martin Liska  <mliska@suse.cz>
11206         * doc/install.texi: Mention --enable-valgrind-annotations.
11208 2016-02-26  Richard Biener  <rguenther@suse.de>
11210         PR tree-optimization/69551
11211         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11212         looking through aliases adjust DECL_PT_UID to refer to the
11213         ultimate alias target.
11215 2016-02-25  Martin Liska  <mliska@suse.cz>
11217         PR middle-end/69919
11218         * alloc-pool.c (after_memory_report): New variable.
11219         * alloc-pool.h (base_pool_allocator ::release): Do not use
11220         the infrastructure if after_memory_report.
11221         * toplev.c (toplev::main): Mark after memory report.
11223 2016-02-25  Richard Biener  <rguenther@suse.de>
11225         PR tree-optimization/48795
11226         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11228 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11230         PR driver/68463
11231         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11232         offloading is enabled and -fopenacc or -fopenmp is specified.
11233         (CRTOFFLOADEND): Likewise.
11234         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11235         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11236         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11237         (offload_objects_file_name): New static var.
11238         (tool_cleanup): Remove offload_objects_file_name file.
11239         (find_offloadbeginend): Replace with ...
11240         (find_crtoffloadtable): ... this.
11241         (run_gcc): Remove offload_argc and offload_argv.
11242         Get offload_objects_file_name from -foffload-objects=... option.
11243         Read names of object files with offload from this file, pass them to
11244         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11245         don't pass offloadbegin and offloadend to the linker.  Don't pass
11246         offload non-LTO files to the linker, because now they're not claimed.
11248 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11250         PR ipa/69630
11251         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11252         on builtin_unreachable.
11254 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11256         PR rtl-optimization/69896
11257         * regcprop.c: Include cfgrtl.h.
11258         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11259         than remembered mode, either delete it (if noop_move_p), or
11260         treat like copy_p but not noop_p instruction.
11262 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11264         PR debug/69705
11265         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11266         - allow NULL decl for Fortran DW_TAG_common_block variables.
11268 2016-02-24  Jason Merrill  <jason@redhat.com>
11270         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11272 2016-02-24  Richard Biener  <rguenther@suse.de>
11273             Jakub Jelinek  <jakub@redhat.com>
11275         PR middle-end/69760
11276         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11277         conditionally executed ops to well-defined overflow behavior.
11279 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11281         PR middle-end/69915
11282         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11283         elements.
11285 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11287         PR rtl-optimization/69886
11288         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11289         argument.  Use it when checking validity of set instructions.
11290         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11291         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11292         callsite.
11293         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11294         * store-motion.c (find_moveable_store): Update
11295         can_assign_to_reg_without_clobbers_p callsite.
11297 2016-02-24  Richard Biener  <rguenther@suse.de>
11299         PR middle-end/68963
11300         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11301         bogus check.
11302         (record_nonwrapping_iv): Do not fall back to the low/high bound
11303         for non-constant IV bases if the stmt is not always executed.
11305 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11307         * config/arm/arm-cores.def (cortex-a32): New entry.
11308         * config/arm/arm-tables.opt: Regenerate.
11309         * config/arm/arm-tune.md: Regenerate.
11310         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11311         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11312         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11313         for -mcpu and -mtune.
11315 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11317         PR target/69875
11318         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11319         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11320         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11321         (atomic_loaddi_1): Delete.
11322         (atomic_loaddi): Rewrite expander using the above changes.
11324 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11326         PR c/69918
11327         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11328         2 to 3.
11330 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11331             Richard Biener  <rguenth@suse.de>
11333         PR middle-end/69909
11334         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11335         set_mem_attributes if tem is SSA_NAME which got expanded
11336         as a MEM.
11338 2016-02-24  Richard Biener  <rguenther@suse.de>
11340         PR tree-optimization/69907
11341         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11342         end of permutations for BB vectorization.
11344 2016-02-24  Christian Bruel  <christian.bruel@st.com>
11346         * config/arm/arm-c.c (arm_option_override): Initialize
11347         target_option_current_node.
11348         * config/arm/arm.c (arm_pragma_target_parse): Replace
11349         build_target_option_node call by target_option_current_node.
11350         Set target_option_current_node.
11351         Fix comments.
11353 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
11355         PR target/69810
11356         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11357         define_insn_and_split to define_insn.
11358         (zero_extendqi<mode>2_dot2): Same.
11359         (extendqi<mode>2_dot): Same.
11360         (extendqi<mode>2_dot2): Same.
11362 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11364         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11365         and add bypass for AES{D,E} and AESMC pairs.
11366         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11367         and AESMC pairs.
11369 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11371         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11372         series for reciprocal square root in Exynos M1.
11374 2016-02-23  Martin Sebor  <msebor@redhat.com>
11376         PR c/69759
11377         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11378         __builtin_alloca_with_align.
11380 2016-02-23  Richard Henderson  <rth@redhat.com>
11382         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11383         (ix86_register_pragmas): Remove __seg_tls.
11384         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11385         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11386         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11387         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11388         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11389         * doc/extend.texi (__seg_tls): Remove item.
11391 2016-02-23  Richard Biener  <rguenther@suse.de>
11393         * alloc-pool.h (struct allocation_object): Make id member
11394         conditional on CHECKING_P again.
11395         (get_instance): Adjust.
11396         (base_pool_allocator): Likewise.
11398 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11400         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11401         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11402         zero.
11403         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11404         flag_openacc.
11405         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11407 2016-02-23  Richard Biener  <rguenther@suse.de>
11409         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11410         * bitmap.h (struct bitmap_usage): Likewise.
11411         (bitmap_move): Declare.
11412         * bitmap.c (register_overhead): Take size_t argument.
11413         (bitmap_move): New function.
11414         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11415         to properly account overhead.
11416         * tree.c (free_node): Use tree_size.
11418 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11420         PR c++/69902
11421         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11422         when inverting comparison.
11424         PR c/69900
11425         * common.opt (Wunreachable-code): Add Warning flag.
11427 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11428             Jakub Jelinek  <jakub@redhat.com>
11430         PR c/69911
11431         * cgraphunit.c (check_global_declaration): Check main_input_filename
11432         and DECL_SOURCE_FILE are not NULL.
11434 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11436         PR tree-optimization/69666
11437         * tree-sra.c (sra_modify_assign): Do not attempt to create
11438         default_def replacements for unscalarizable regions.
11440 2016-02-20  Mark Wielaard  <mjw@redhat.com>
11442         PR c/28901
11443         * cgraphunit.c (check_global_declaration): Check level of
11444         warn_unused_const_variable and main_input_filename.
11445         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
11446         (-Wunused-variable): For C implies -Wunused-const-variable=1.
11447         (-Wunused-const-variable): Explain levels 1 and 2.
11449 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11451         PR target/69888
11452         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
11453         identical arguments.  Formatting and spelling fixes.
11455         PR target/69885
11456         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
11457         be specified.
11459         PR target/69894
11460         PR target/69895
11461         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
11462         and m68k-devices.def.
11463         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
11464         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
11466 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
11468         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
11469         and HImode registers.
11471 2016-02-22  Richard Biener  <rguenther@suse.de>
11473         PR tree-optimization/69882
11474         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
11475         preserve permutations present because of gaps.
11476         (vect_supported_load_permutation_p): Always continue checking
11477         permutations after vect_attempt_slp_rearrange_stmts.
11479 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
11481         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
11482         min_profitable_estimate, rather than min_profitable_iters.
11484 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11486         PR target/69885
11487         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
11488         SImode for last match_operand.
11490 2016-02-22  Martin Liska  <mliska@suse.cz>
11492         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
11493         return bitsize - 1 as the return value.
11495 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
11497         PR target/69806
11498         PR target/54089
11499         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
11500         Handle negative shift counts.
11501         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
11502         force_reg on the shift constant.
11503         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
11504         (lshrsi3_d): Handle negative shift counts.
11506 2016-02-22  Richard Biener  <rguenther@suse.de>
11507             Tom de Vries  <tom@codesourcery.com>
11509         * graph.c: Include dumpfile.h.
11510         (print_graph_cfg): Split into three overloads.
11511         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
11513 2016-02-22  Tom de Vries  <tom@codesourcery.com>
11515         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
11516         dump-fn.
11518 2016-02-22  Richard Biener  <rguenther@suse.de>
11520         PR ipa/37448
11521         * ipa-inline-transform.c (inline_call): When not updating
11522         overall summaries adjust self size by the growth estimate.
11523         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
11524         hash-set, do not update overall summaries here.  Renamed from ...
11525         (inline_to_all_callers): ... this which is now wrapping the
11526         above and performing delayed overall summary update.
11527         (early_inline_small_functions): Delay updating of the overall
11528         summary.
11530 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
11532         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
11533         variable.
11535 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11537         PR driver/69805
11538         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
11539         :%* in %:gt() argument.
11540         (greater_than_spec_func): Adjust for expecting only numbers,
11541         if there are more than two numbers, compare the last two.
11543 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
11545         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
11546         -Wnarrowing with -std.
11548 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11550         PR c++/69851
11551         * expr.c (store_field): Don't use bit-field path if exp is
11552         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
11553         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
11554         and the assignment can be performed by bitwise copy.  Formatting
11555         fix.
11557         PR middle-end/69838
11558         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
11559         call copy_reg_eh_region_note_forward on before and/or after sequences
11560         and remove note from insn if it no longer can throw.
11562         PR target/69820
11563         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
11564         if TARGET_AVX512BW.
11566 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11568         * config/s390/vector.md: Add missing commutative operand markers
11569         to the patterns which qualify for one.
11570         * config/s390/vx-builtins.md: Likewise.
11572 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11574         * config/s390/vector.md (VI, VI_QHS): Add single element vector
11575         types to mode iterators.
11576         (vec_double): ... and mode attribute.
11577         * config/s390/vx-builtins.md (non_vec_int): Likewise.
11579 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11581         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
11582         Change the predicate of op2 from nonimmediate to general and let
11583         reload fix it if necessary.
11585 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11587         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
11589 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11591         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
11592         mode.
11594 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11596         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
11597         * config/s390/s390.c (s390_expand_vec_movstr): New function.
11598         * config/s390/s390.md ("movstr<P:mode>"): Call
11599         s390_expand_vec_movstr.
11601 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11603         * config/s390/s390.md: Add missing output modifier for operand 1
11604         to print it as address properly.
11606 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11608         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
11609         * config/s390/2964.md: New file.
11610         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
11611         of insn grouping attributes depending on the CPU level.
11612         (s390_get_unit_mask): New function.
11613         (s390_sched_score): Remove the OOO from the scheduling macros.
11614         Add loop to calculate a score for the instruction mix.
11615         (s390_sched_reorder): Likewise plus improve debug output.
11616         (s390_sched_variable_issue): Rename macros as above.  Calculate
11617         the unit distances after actually scheduling an insn.  Improve
11618         debug output.
11619         (s390_sched_init): Clear last_scheduled_unit_distance array.
11620         * config/s390/s390.md: Include 2964.md.
11622 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11624         PR target/69671
11625         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
11626         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
11627         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
11628         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
11629         *avx512f_<code>v8div16qi2_mask_1): New insns.
11631 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11633         PR target/68404
11634         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
11635         2016-02-09 change.
11637         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
11638         earlyclobber from target.  Use wF constraint for fused memory
11639         address.
11640         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
11642 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11643             Martin Liska  <mliska@suse.cz>
11645         PR sanitizer/69863
11646         * cfgexpand.c (asan_sanitize_stack_p): New function.
11647         (partition_stack_vars): Use the function.
11648         (expand_stack_vars): Likewise.
11649         (defer_stack_allocation): Likewise.
11650         (expand_used_vars): Likewise.
11652 2016-02-18  Richard Biener  <rguenther@suse.de>
11654         PR middle-end/69553
11655         * fold-const.c (operand_equal_p): Properly compare offsets for
11656         IMAGPART_EXPR and ARRAY_REF.
11658 2016-02-18  Nick Clifton  <nickc@redhat.com>
11660         PR target/62254
11661         PR target/69610
11662         * config/arm/arm.c (arm_option_override_internal): Disable
11663         interworking if the target does not support thumb instructions.
11664         (arm_reload_in_hi): Handle the case where a register to register
11665         move needs reloading because there is no simple pattern to handle
11666         it.
11667         (arm_reload_out_hi): Likewise.
11669 2016-02-18  Richard Biener  <rguenther@suse.de>
11671         PR middle-end/69854
11672         * match.pd: Don't use fold_binary or fold_unary for folding
11673         constants.
11675 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
11677         PR c++/69850
11678         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
11679         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
11680         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
11681         warn on gimple_no_warning_p statements.
11683 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
11685         * doc/extend.texi (C++ Attributes): Correct description of
11686         warn_unused type attribute.
11688 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11690         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
11691         correct instruction.
11693 2016-02-17  Richard Biener  <rguenther@suse.de>
11695         PR rtl-optimization/69609
11696         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
11697         (find_traces_1_round): When ending a trace update cached priority
11698         of successors.
11699         (bb_to_key): Use cached priority when available.
11700         (copy_bb): Initialize cached priority.
11701         (reorder_basic_blocks_software_trace_cache): Likewise.
11703 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11705         PR target/69161
11706         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
11707         New predicate.
11708         (aarch64_comparison_operator): Break overly long line into two.
11709         (aarch64_comparison_operation): Likewise.
11710         * config/aarch64/aarch64.md (cstorecc4): Use
11711         aarch64_comparison_operator_mode instead of
11712         aarch64_comparison_operator.
11713         (cstore<mode>4): Likewise.
11714         (aarch64_cstore<mode>): Likewise.
11715         (*cstoresi_insn_uxtw): Likewise.
11716         (cstore<mode>_neg): Likewise.
11717         (*cstoresi_neg_uxtw): Likewise.
11719 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11721         PR target/69161
11722         * config/arm/predicates.md (arm_comparison_operator_mode):
11723         New predicate.
11724         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
11725         instead of arm_comparison_operator.
11726         (*mov_negscc): Likewise.
11727         (*mov_notscc): Likewise.
11728         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
11729         (*thumb2_mov_negscc): Likewise.
11730         (*thumb2_mov_negscc_strict_it): Likewise.
11731         (*thumb2_mov_notscc): Likewise.
11732         (*thumb2_mov_notscc_strict_it): Likewise.
11734 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
11736         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
11737         Add missing return.
11739 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
11741         * config/visium/visium.c (machine_libfunc_index): New enum.
11742         (machine_libfuncs): New structure.
11743         (visium_libfuncs): New static variable.
11744         (TARGET_INIT_LIBFUNCS): Define to...
11745         (visium_init_libfuncs): ...this.  New function.
11746         (expand_block_move_4): Use the appropriate libfunc.
11747         (expand_block_move_2): Likewise.
11748         (expand_block_move_1): Likewise.
11749         (expand_block_set_4): Likewise.
11750         (expand_block_set_2): Likewise.
11751         (expand_block_set_1): Likewise.
11752         (visium_trampoline_init): Likewise.
11754 2016-02-17  Nick Clifton  <nickc@redhat.com>
11756         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
11757         TI's devices.csv file as of March 2016.
11759 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11761         PR Target/48344
11762         * opts-global.c (handle_common_deferred_options): Introduce and
11763         initialize two global variables to remember command-line options
11764         specifying a stack-limiting register.
11765         * opts.h: Add extern declarations of the two new global variables.
11766         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
11767         variable based on the values of the two new global variables.
11769 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11771         PR c/69835
11772         * common.opt (Wnonnull-compare): New warning.
11773         * doc/invoke.texi (-Wnonnull): Remove text about comparison
11774         of arguments against NULL.
11775         (-Wnonnull-compare): Document.
11776         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
11777         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
11778         * passes.def (pass_warn_nonnull_compare): Add.
11779         * gimple-ssa-nonnull-compare.c: New file.
11781 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11783         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
11784         AARCH64_EXTRA_TUNE_RECIP_SQRT.
11786 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11788         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
11789         reciprocal sqrt for -mlow-precision-recip-sqrt.
11791 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11792             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11794         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
11795         always use lane loads to construct non-constant vectors.
11797 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11799         * config/aarch64/aarch64.md
11800         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
11801         constraints for operand 3.
11802         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
11804 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11805             Richard Biener  <rguenther@suse.de>
11807         PR tree-optimization/69820
11808         * tree-vect-patterns.c (type_conversion_p): Return false if
11809         *orig_type is unsigned single precision or boolean.
11810         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
11811         Formatting fix.
11813 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11815         PR rtl-optimization/69764
11816         PR rtl-optimization/69771
11817         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
11818         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
11820 2016-02-16  Richard Biener  <rguenther@suse.de>
11822         PR tree-optimization/69776
11823         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
11824         sets from caller.
11825         (indirect_refs_may_alias_p): Likewise.
11826         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
11827         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
11828         according to tbaa_p.
11829         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
11830         (optimize_stmt): For redundant store discovery do not allow tbaa.
11832 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
11834         PR tree-optimization/69714
11835         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
11836         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
11838 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
11840         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
11841         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
11842         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
11843         * config/arc/arc.c (arc_init): Check FPU options.
11844         (get_arc_condition_code): Handle new CC_FPU* modes.
11845         (arc_select_cc_mode): Likewise.
11846         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
11847         register pair only. Allow access for ARCv2 accumulator.
11848         (gen_compare_reg): Whenever we have FPU support use FPU compare
11849         instructions.
11850         (arc_reorg): Don't generate brcc insns when FPU compare
11851         instructions are involved.
11852         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
11853         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
11854         floating point emulation.
11855         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
11856         (REVERSE_CONDITION): Add new CC_FPU* modes.
11857         (TARGET_FP_SP_BASE): Define.
11858         (TARGET_FP_DP_BASE): Likewise.
11859         (TARGET_FP_SP_FUSED): Likewise.
11860         (TARGET_FP_DP_FUSED): Likewise.
11861         (TARGET_FP_SP_CONV): Likewise.
11862         (TARGET_FP_DP_CONV): Likewise.
11863         (TARGET_FP_SP_SQRT): Likewise.
11864         (TARGET_FP_DP_SQRT): Likewise.
11865         (TARGET_FP_DP_AX): Likewise.
11866         * config/arc/arc.md (ARCV2_ACC): New constant.
11867         (type): New fpu type attribute.
11868         (SDF): Conditional iterator.
11869         (cstore<mode>, cbranch<mode>): Change expand condition.
11870         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
11871         handles FPU/FPX cases as well.
11872         * config/arc/arc.opt (mfpu): New option.
11873         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
11874         Renamed.
11875         (adddf3, muldf3, subdf3): Removed.
11876         * config/arc/predicates.md (proper_comparison_operator): Recognize
11877         CC_FPU* modes.
11878         * config/arc/fpu.md: New file.
11879         * doc/invoke.texi (ARC Options): Document mfpu option.
11881 2016-02-16  Richard Biener  <rguenther@suse.de>
11883         PR rtl-optimization/69291
11884         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
11885         noce_operand_ok check.
11887 2016-02-16  Tom de Vries  <tom@codesourcery.com>
11889         PR lto/67709
11890         * omp-low.c (simd_clone_create): Remove call to
11891         symtab->call_cgraph_insertion_hooks.
11893 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11895         PR tree-optimization/69802
11896         * tree-ssa-reassoc.c (update_range_test): If op is
11897         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
11898         op == 1 test of precision 1 integral op, otherwise handle
11899         that case as op itself.  Fix up formatting.
11900         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
11901         up formatting.
11903 2016-02-16  Richard Biener  <rguenther@suse.de>
11905         PR tree-optimization/69586
11906         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
11907         types for conversion sources.
11909 2016-02-16  Richard Biener  <rguenther@suse.de>
11911         PR middle-end/69801
11912         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
11913         mask OEP_ADDRESS_OF.
11915 2016-02-16  Alan Modra  <amodra@gmail.com>
11917         PR target/68973
11918         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
11919         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
11920         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
11921         (p8_mtvsrwz): New.
11922         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
11923         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
11924         (p8_fmrgow_<mode>): Likewise.
11925         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
11926         changes.
11927         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
11928         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
11929         to use movdi_internal64.  Remove op0_di.
11930         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
11932 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
11934         Add support for the FCCMP insn types
11936         * config/aarch64/aarch64.md (fccmp): Change insn type.
11937         (fccmpe): Likewise.
11938         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
11939         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
11940         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
11941         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
11942         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
11943         * config/arm/types.md (fccmps): Add new insn type.
11944         (fccmpd): Likewise.
11946 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11948         * alias.c (get_alias_set): Fix a typo in comment.
11950 2016-02-15  Richard Biener  <rguenther@suse.de>
11952         PR tree-optimization/69595
11953         * match.pd: Complete range test simplification to true.
11955 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
11957         PR rtl-optimization/69648
11958         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
11959         pic_offset_table_rtx.
11961         PR rtl-optimization/69752
11962         * ira.c (update_equiv_regs): When looking for more than a single SET,
11963         also take other side effects into account.
11965 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
11967         * config/s390/s390.c (s390_function_profiler): Add a new sequence
11968         for z900+ CPUs in 31-bit mode.
11970 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
11972         * common/config/s390/s390-common.c (s390_supports_split_stack):
11973         New function.
11974         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
11975         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
11976         * config/s390/s390.c (struct machine_function): New field
11977         split_stack_varargs_pointer.
11978         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
11979         in s390_emit_prologue.
11980         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
11981         vararg pointer.
11982         (morestack_ref): New global.
11983         (SPLIT_STACK_AVAILABLE): New macro.
11984         (s390_expand_split_stack_prologue): New function.
11985         (s390_live_on_entry): New function.
11986         (s390_va_start): Use split-stack vararg pointer if appropriate.
11987         (s390_asm_file_end): Emit the split-stack note sections.
11988         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
11989         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
11990         (UNSPECV_SPLIT_STACK_CALL): New unspec.
11991         (UNSPECV_SPLIT_STACK_DATA): New unspec.
11992         (split_stack_prologue): New expand.
11993         (split_stack_space_check): New expand.
11994         (split_stack_data): New insn.
11995         (split_stack_call): New expand.
11996         (split_stack_call_*): New insn.
11997         (split_stack_cond_call): New expand.
11998         (split_stack_cond_call_*): New insn.
12000 2016-02-15  Richard Biener  <rguenther@suse.de>
12002         PR tree-optimization/69783
12003         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12004         Add trivially correct cases.
12006 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12008         PR lto/69655
12009         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12010         do_force_output.
12011         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12013 2016-02-15  Richard Biener  <rguenther@suse.de>
12015         PR tree-optimization/69776
12016         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12017         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12018         indicate whether we can use TBAA to disambiguate against stores.
12019         Use alias-set zero if not.
12020         (visit_reference_op_store): Do not use TBAA when looking up
12021         redundant stores.
12022         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12023         (eliminate_dom_walker::before_dom_children): But not when looking
12024         up redundant stores.
12026 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12028         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12030 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12032         *  config/i386/znver1.md
12033         (znver1_pop, znver1_pop_mem,
12034         znver1_load_imov_double_store,
12035         znver1_load_imov_direct_store,
12036         znver1_load_imov_direct_load,
12037         znver1_load_imov_double_load): Add new.
12038         (znver1_insn, znver1_insn_load): Add icmov type.
12039         (znver1_sseavx_fma,
12040         znver1_sseavx_fma_load,
12041         znver1_avx256_fma,
12042         znver1_avx256_fma_load): Fix pipe usage.
12044 2016-02-14  Alan Modra  <amodra@gmail.com>
12046         PR target/68973
12047         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12048         with an invalid hard reg, reload just the reg not the entire
12049         pre/post-inc/dec address expression.
12051 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12053         PR target/67260
12054         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12055         fixed R1_REG scratch reg.
12056         (sibcall_value_pcrel_fdpic): Likewise.
12058 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12060         PR target/67636
12061         PR target/64345
12062         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12064 2016-02-12  Walter Lee  <walt@tilera.com>
12066         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12067         * config/tilegx/t-tilegx: Likewise.
12069 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12071         PR other/69554
12072         * diagnostic-show-locus.c (struct line_span): New struct.
12073         (layout::get_first_line): Delete.
12074         (layout::get_last_line): Delete.
12075         (layout::get_num_line_spans): New member function.
12076         (layout::get_line_span): Likewise.
12077         (layout::print_heading_for_line_span_index_p): Likewise.
12078         (layout::get_expanded_location): Likewise.
12079         (layout::calculate_line_spans): Likewise.
12080         (layout::m_first_line): Delete.
12081         (layout::m_last_line): Delete.
12082         (layout::m_line_spans): New field.
12083         (layout::layout): Update comment.  Replace m_first_line and
12084         m_last_line with m_line_spans, replacing their initialization
12085         with a call to calculate_line_spans.
12086         (diagnostic_show_locus): When printing source lines and
12087         annotations, rather than looping over a single span
12088         of lines, instead loop over each line_span within
12089         the layout, with an inner loop over the lines within them.
12090         Call the context's start_span callback when changing line spans.
12091         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12092         (diagnostic_build_prefix): Break out the building of the location
12093         part of the string into...
12094         (diagnostic_get_location_text): ...this new function, rewriting
12095         it from nested ternary expressions to a sequence of "if"
12096         statements.
12097         (default_diagnostic_start_span_fn): New function.
12098         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12099         (diagnostic_context::start_span): New field.
12100         (default_diagnostic_start_span_fn): New prototype.
12102 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12104         PR driver/69779
12105         * gcc.c (driver::finalize): Fix cleanup of "specs".
12107 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12109         PR driver/69265
12110         PR driver/69453
12111         * gcc.c (driver::driver): Initialize m_option_suggestions.
12112         (driver::~driver): Clean up m_option_suggestions.
12113         (suggest_option): Convert to...
12114         (driver::suggest_option): ...this, and split out into
12115         driver::build_option_suggestions and find_closest_string.
12116         (driver::build_option_suggestions): New function, from
12117         first half of suggest_option.  Special-case
12118         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12119         the sanitizer_opts array.  For options of enum types, add the
12120         various enum values to the candidate strings.
12121         (driver::handle_unrecognized_options): Remove "const".
12122         * gcc.h (driver::handle_unrecognized_options): Likewise.
12123         (driver::build_option_suggestions): New decl.
12124         (driver::suggest_option): New decl.
12125         (driver::m_option_suggestions): New field.
12126         * opts-common.c (add_misspelling_candidates): New function.
12127         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12128         and make non-static.
12129         * opts.h (sanitizer_opts): New array decl.
12130         (add_misspelling_candidates): New function decl.
12131         * spellcheck.c (find_closest_string): New function.
12132         * spellcheck.h (find_closest_string): New function decl.
12134 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12136         PR rtl-optimization/69764
12137         PR rtl-optimization/69771
12138         * optabs.c (expand_binop_directly): For shift_optab_p, force
12139         convert_modes with VOIDmode if xop1 has VOIDmode.
12141 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12143         PR target/69729
12144         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12145         to correctly determine instrumentation thunks.
12147 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12149         PR ipa/69241
12150         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12151         type by reference, force lhs on the call.
12153         PR ipa/68672
12154         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12155         Compute retval and retbnd early in all cases if split_part_return_p
12156         and return_bb is not EXIT.  Remove all clobber stmts and reset
12157         all debug stmts that refer to SSA_NAMEs defined in split part,
12158         except if it is retval, in that case replace the old retval with the
12159         lhs of the call to the split part.
12161 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12163         revert:
12164         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12166         PR middle-end/66726
12167         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12168         whose result is used in PHI.
12169         (maybe_optimize_range_tests): Likewise.
12170         (final_range_test_p): Likweise.
12172 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12174         PR middle-end/66726
12175         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12176         whose result is used in PHI.
12177         (maybe_optimize_range_tests): Likewise.
12178         (final_range_test_p): Likweise.
12180 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12182         * cgraph.c: Spelling fixes - behaviour -> behavior and
12183         neighbour -> neighbor.
12184         * target.def: Likewise.
12185         * sel-sched.c: Likewise.
12186         * config/mips/mips.c: Likewise.
12187         * config/arc/arc.md: Likewise.
12188         * config/arm/cortex-a57.md: Likewise.
12189         * config/arm/arm.c: Likewise.
12190         * config/arm/neon.md: Likewise.
12191         * config/arm/arm-c.c: Likewise.
12192         * config/vms/vms-c.c: Likewise.
12193         * config/s390/s390.c: Likewise.
12194         * config/i386/znver1.md: Likewise.
12195         * config/i386/i386.c: Likewise.
12196         * config/ia64/hpux-unix2003.h: Likewise.
12197         * config/msp430/msp430.md: Likewise.
12198         * config/rx/rx.c: Likewise.
12199         * config/rx/rx.md: Likewise.
12200         * config/aarch64/aarch64-simd.md: Likewise.
12201         * config/aarch64/aarch64.c: Likewise.
12202         * config/nvptx/nvptx.c: Likewise.
12203         * config/bfin/bfin.c: Likewise.
12204         * config/cris/cris.opt: Likewise.
12205         * config/rs6000/rs6000.c: Likewise.
12206         * target.h: Likewise.
12207         * spellcheck.c: Likewise.
12208         * ira-build.c: Likewise.
12209         * tree-inline.c: Likewise.
12210         * builtins.c: Likewise.
12211         * lra-constraints.c: Likewise.
12212         * explow.c: Likewise.
12213         * hwint.h: Likewise.
12214         * targhooks.c: Likewise.
12215         * tree-vect-data-refs.c: Likewise.
12216         * expr.c: Likewise.
12217         * doc/tm.texi: Likewise.
12218         * doc/extend.texi: Likewise.
12219         * doc/install.texi: Likewise.
12220         * doc/md.texi: Likewise.
12221         * tree-ssa-tail-merge.c: Likewise.
12222         * sched-int.h: Likewise.
12223         * match.pd: Likewise.
12224         * sched-ebb.c: Likewise.
12225         * target.def (omit_struct_return_reg): Likewise.
12226         * gimple-ssa-isolate-paths.c: Likewise.
12227         (find_implicit_erroneous_behaviour): Renamed to...
12228         (find_implicit_erroneous_behavior): ... this.
12229         (find_explicit_erroneous_behaviour): Renamed to...
12230         (find_explicit_erroneous_behavior): ... this.
12231         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12233 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12235         PR rtl-optimization/64682
12236         PR rtl-optimization/69567
12237         PR rtl-optimization/69737
12238         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12239         in I2 as well, just lose it.
12241 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12243         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12244         New variable.
12245         (aarch64_last_printed_tune_string): Likewise.
12246         (aarch64_declare_function_name): Only output .arch assembler
12247         directive if it will be different from the previously output
12248         directive.  Same for .tune comment but only if -dA is set.
12249         (aarch64_start_file): New function.
12250         (TARGET_ASM_FILE_START): Define.
12252 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12254         PR plugins/69758
12255         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12257 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12259         PR target/65313
12260         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12261         -Wmaybe-uninitialized warning.
12263 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12265         PR target/69713
12266         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12268 2016-02-11  Richard Biener  <rguenther@suse.de>
12270         PR rtl-optimization/69291
12271         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12272         subexpressions affected by changing the result.
12274 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12276         PR target/69148
12277         * lra-constraints.c (curr_insn_transform): Find in/out operands
12278         for secondary memory moves.  Update dups.
12280 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12282         PR tree-optimization/69652
12283         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12284         to nested loop, did source re-formatting, skip debug statements,
12285         add check on statement with volatile operand, remove dead scalar
12286         statements.
12288 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12289             Patrick Palka  <ppalka@gcc.gnu.org>
12291         PR ipa/69241
12292         PR c++/69649
12293         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12294         calls if the return type is TREE_ADDRESSABLE.
12295         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12296         * ipa-split.c (split_function): Fix doubled "we" in comment.
12297         Use void return type for the split part even if
12298         !split_point->split_part_set_retval.
12300 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12302         PR tree-optimization/68021
12303         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12304         when computing the value of biv cand by itself.
12306 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12308         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12309         (cortexa57_tunings): Likewise.
12310         (cortexa72_tunings): Likewise.
12311         (arch_macro_fusion_pair_p): Add support for AES fusion.
12312         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12313         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12314         Allow virtual registers before reload so early scheduling works.
12315         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12316         correct latency and pipeline.
12317         (cortex_a57_crypto_complex): Likewise.
12318         (cortex_a57_crypto_xor): Likewise.
12319         (define_bypass): Add AES bypass.
12321 2016-02-10  Richard Biener  <rguenther@suse.de>
12323         PR tree-optimization/69726
12324         * passes.def: Add DCE pass before late uninit.
12325         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12326         really fixup if-conversions job.
12328 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12330         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12331         (arm_cortex_a57_tune): Likewise.
12332         (aarch_macro_fusion_pair_p): Add support for AES fusion.
12333         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12335 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12337         * timevar.def (TV_PHASE_DBGINFO): Delete.
12338         (TV_PHASE_CHECK_DBGINFO): Likewise.
12339         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12341 2016-02-10  Richard Biener  <rguenther@suse.de>
12343         PR tree-optimization/69719
12344         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12345         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12347 2016-02-09  Andrew Pinski  <apinski@cavium.com>
12349         PR tree-opt/69282
12350         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12351         get_vcond_mask_icode returns false.
12353 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12355         PR target/68404
12356         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12357         an ADDIS that adds a pointer to a large constant that sets the
12358         upper16 bits with a load operation.
12360 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12362         PR target/68532
12363         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12364         order.
12365         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12366         endian.
12367         (vzipq_s16): Likewise.
12368         (vzipq_s32): Likewise.
12369         (vzipq_f32): Likewise.
12370         (vzipq_u8): Likewise.
12371         (vzipq_u16): Likewise.
12372         (vzipq_u32): Likewise.
12373         (vzipq_p8): Likewise.
12374         (vzipq_p16): Likewise.
12376 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12378         PR target/68532
12379         * config/arm/arm.c (neon_endian_lane_map): New function.
12380         (neon_vector_pair_endian_lane_map): New function.
12381         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12382         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12383         endian.
12384         (vuzpq_s16): Likewise.
12385         (vuzpq_s32): Likewise.
12386         (vuzpq_f32): Likewise.
12387         (vuzpq_u8): Likewise.
12388         (vuzpq_u16): Likewise.
12389         (vuzpq_u32): Likewise.
12390         (vuzpq_p8): Likewise.
12391         (vuzpq_p16): Likewise.
12393 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12395         PR target/69634
12396         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12397         debug insns.
12399 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12401         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12402         truncate const_int operand 1 to QImode.
12404 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12406         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12407         corresponding to an abnormal edge.
12409 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12411         PR tree-optimization/69599
12412         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12413         function.
12414         (find_func_aliases_for_builtin_call, find_func_clobbers)
12415         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12416         partition.
12418 2016-02-09  Richard Biener  <rguenther@suse.de>
12420         PR tree-optimization/69715
12421         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12422         LHS on calls as non-rewritable.
12424 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12426         PR lto/69707
12427         * lto-wrapper.c (append_diag_options): New function.
12428         (compile_offload_image): Call append_diag_options.
12430 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12432         PR other/69722
12433         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12434         Minor copy-edit to fix verb tenses.
12436 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12438         PR tree-optimization/69209
12439         * ipa-split.c (split_function): If split part is not
12440         returning retval, retval has gimple type but is not
12441         gimple value, force it into a SSA_NAME first.
12443 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
12445         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
12446         outdated section.
12448 2016-02-08  Jason Merrill  <jason@redhat.com>
12450         PR c++/69631
12451         * convert.c (convert_to_integer_1): Check dofold on truncation
12452         distribution.
12453         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
12454         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
12455         Rename from *_nofold.
12456         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
12457         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
12459 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
12461         PR target/60410
12462         * tree.c (build_common_tree_nodes): Remove short_double argument.
12463         All callers changed.
12464         * tree.h (build_common_tree_nodes): Adjust declaration.
12465         * doc/invoke.texi (-fshort-double): Remove documentation.
12466         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12467         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
12468         * lto-wrapper.c (merge_and_complain, append_compiler_options)
12469         (append_linker_options): Don't handle OPT_fshort_double.
12471         PR rtl-optimization/68730
12472         * lra-remat.c (insn_to_cand_activation): New static variable.
12473         (lra_remat): Allocate and free it.
12474         (create_cand): New arg activation. Initialize a field in
12475         insn_to_cand_activation if it is nonnull.
12476         (create_cands): Pass the activation insn to create_cand when making
12477         a candidate involving an output reload.  Reorganize code a little.
12478         (do_remat): Keep track of active status of candidates in a separate
12479         bitmap.
12481 2016-02-08  Richard Biener  <rguenther@suse.de>
12483         PR tree-optimization/69719
12484         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12485         Properly use absolute of the difference of the two offsets to
12486         compare or adjust the segment length.
12488 2016-02-08  Richard Biener  <rguenther@suse.de>
12489             Jeff Law  <law@redhat.com>
12491         PR target/68273
12492         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
12493         types for anonymous SSA names.
12495 2016-02-08   Richard Biener  <rguenther@suse.de>
12497         PR rtl-optimization/69274
12498         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
12500 2016-02-08  Jeff Law  <law@redhat.com>
12502         PR tree-optimization/65917
12503         * tree-ssa-dom.c (record_temporary_equivalences): Record both
12504         equivalences from if (x == y) style conditionals.
12505         (loop_depth_of_name): Remove.
12506         (record_equality): Remove loop depth check.
12507         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
12508         (const_and_copies::record_const_or_copy_raw): New member function.
12509         * tree-ssa-scopedtables.c
12510         (const_and_copies::record_const_or_copy_raw): New, factored out of
12511         (const_and_copies::record_const_or_copy): Call new member function.
12513 2016-02-05  Jeff Law  <law@redhat.com>
12515         PR tree-optimization/68541
12516         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
12517         (count_stmts_in_block): New function.
12518         (poor_ifcvt_candidate_code): Likewise.
12519         (is_feasible_trace): Add some heuristics to determine when path
12520         splitting is profitable.
12521         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
12522         is a diamond with a single exit.
12524 2016-02-05  Martin Sebor  <msebor@redhat.com>
12526         PR c++/69662
12527         * doc/invoke.texi: Update -Wplacement-new to take an optional
12528         argument.
12530 2016-02-06  Richard Henderson  <rth@redhat.com>
12532         PR c/69643
12533         * tree.c (tree_nop_conversion_p): Do not strip casts into or
12534         out of non-standard address spaces.
12536 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12538         PR rtl-optimization/69691
12539         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
12541 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
12543         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
12544         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
12545         (*ieee128_mfvsrd_64bit): Likewise.
12546         (*ieee128_mfvsrd_32bit): Likewise.
12548 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
12550         PR target/69369
12551         Revert r232560:
12552         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12554         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12555         instrumented_version.
12557 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12559         * doc/invoke.texi (Optimize Options): In table of --param options
12560         rename second occurrence of tracer-min-branch-ratio to
12561         tracer-min-branch-probability, rename
12562         tracer-min-branch-ratio-feedback to
12563         tracer-min-branch-probability-feedback and clarify description,
12564         rename sched-spec-state-edge-prob-cutoff to
12565         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
12566         to selsched-insns-to-rename, rename lto-minpartition to
12567         lto-min-partition, delete reorder-blocks-duplicate and
12568         reorder-blocks-duplicate-feedback.
12570 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12572         * config/s390/s390.c (s390_register_info_set_ranges): Remove
12573         superfluous loops.
12575 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12577         * doc/extend.texi: S/390: Correct some typos.
12579 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12581         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
12583 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12585         PR target/69625
12586         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
12587         (s390_register_info_gprtofpr): Use new macros above.
12588         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
12589         its name.
12590         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
12591         its name.  Adjust restore and save gpr ranges.
12592         (s390_register_info_set_ranges): New function.
12593         (s390_register_info): Use new macros above.  Call
12594         s390_register_info_set_ranges.
12595         (s390_optimize_register_info): Likewise.
12596         (s390_hard_regno_rename_ok): Use new macros.
12597         (s390_hard_regno_scratch_ok): Likewise.
12598         (s390_emit_epilogue): Likewise.
12599         (s390_can_use_return_insn): Likewise.
12600         (s390_optimize_prologue): Likewise.
12601         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
12603 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12605         PR bootstrap/69677
12606         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
12607         alignment fixes.
12608         (ix86_option_override_internal): Disable TARGET_STV even for
12609         -m{incoming,preferred}-stack-boundary=3.
12611 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12613         * config.gcc: Mark deprecated rtems targets as obsolete.
12615 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
12617         PR rtl-optimization/64682
12618         PR rtl-optimization/69567
12619         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
12620         before I2 only if the register is both used and set in I2.
12622 2016-02-04  DJ Delorie  <dj@redhat.com>
12624         * config/msp430/msp430.c (msp430_start_function): Add function type.
12626 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12628         PR fortran/69368
12629         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
12631 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
12633         PR rtl-optimization/69577
12634         Revert:
12635         2015-10-29  Richard Henderson  <rth@redhat.com>
12637         PR target/68124
12638         PR rtl-opt/67609
12639         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
12640         sse check to the exact conditions of PR 67609.
12642 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12644         PR target/69667
12645         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
12646         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
12647         not allowed into the traditional Altivec registers.
12648         (movtd_64bit_nodm): Likewise.
12649         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
12651 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
12653         * config/aarch64/cortex-a57-fma-steering.c
12654         (aarch64_register_fma_steering): Remove "static" from arguments
12655         to register_pass.
12657 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
12659         PR target/69619
12660         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
12661         twice when complex.
12663 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
12665         * doc/invoke.texi: Delete -mno-fma4.
12667 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
12669         PR rtl-optimization/69577
12670         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
12671         (find_subregs_of_mode): Update accordingly.  Iterate over partial
12672         definitions.
12674 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
12676         * config/arm/arm-protos.h (neon_reinterpret): Remove.
12677         * config/arm/arm.c (neon_reinterpret): Remove.
12678         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
12679         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
12680         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
12681         vreinterpretti): Remove.
12682         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
12683         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
12684         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
12685         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
12686         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
12687         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
12688         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
12689         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
12690         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
12691         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
12692         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
12693         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
12694         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
12695         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
12696         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
12697         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
12698         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
12699         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
12700         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
12701         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
12702         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
12703         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
12704         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
12705         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
12706         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
12707         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
12708         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
12709         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
12710         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
12711         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
12712         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
12713         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
12714         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
12715         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
12716         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
12717         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
12718         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
12719         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
12720         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
12721         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
12722         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
12723         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
12724         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
12725         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
12726         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
12727         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
12728         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
12729         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
12730         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
12731         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
12732         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
12733         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
12734         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
12735         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
12736         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
12737         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
12738         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
12739         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
12740         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
12741         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
12742         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
12743         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
12744         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
12745         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
12746         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
12747         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
12748         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
12749         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
12750         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
12751         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
12752         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
12753         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
12754         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
12755         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
12756         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
12757         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
12758         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
12759         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
12760         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
12761         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
12762         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
12763         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
12764         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
12765         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
12766         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
12767         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
12768         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
12769         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
12770         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
12771         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
12772         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
12773         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
12774         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
12775         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
12776         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
12777         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
12778         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
12779         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
12780         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
12781         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
12782         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
12783         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
12784         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
12786 2016-02-04  Martin Liska  <mliska@suse.cz>
12788         PR sanitizer/69276
12789         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
12790         that are gimple_store_p.
12791         (maybe_instrument_call): Likewise.
12793 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
12795         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
12796         register scaling out of memory reference and comment why.
12798 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12800         PR target/65932
12801         PR target/67714
12802         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
12803         folding the source of a SET.
12805 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12807         PR target/65932
12808         PR target/67714
12809         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
12810         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
12812 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
12814         PR target/65932
12815         PR target/67714
12816         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
12817         HImode.
12819 2016-02-04  Christian Bruel  <christian.bruel@st.com>
12821         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
12822         * config/arm/arm.c (arm_set_current_function): Likewise.
12824 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12825             Ilya Enkovich  <enkovich.gnu@gmail.com>
12826             H.J. Lu  <hongjiu.lu@intel.com>
12828         PR target/69454
12829         * config/i386/i386.c (convert_scalars_to_vector): Remove
12830         stack alignment fixes.
12831         (ix86_option_override_internal): Disable TARGET_STV if stack
12832         might not be aligned enough.
12833         (ix86_minimum_alignment): Assert that TARGET_STV is false.
12835 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
12837         * config/i386/x86-tune.def: Disable default prefetching
12838         for -march=znver1.
12840 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
12841             Vladimir Makarov  <vmakarov@redhat.com>
12843         PR target/69461
12844         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
12845         in validating fused toc addresses.
12847 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
12849         PR c/69627
12850         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
12851         range->m_caret fields if range->m_show_caret_p is false.
12853         PR target/69644
12854         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
12855         Force oldval into register if it does not satisfy reg_or_short_operand
12856         predicate.  Fix up formatting.
12858 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
12859             Alexandre Oliva  <aoliva@redhat.com>
12861         PR target/69461
12862         * lra-constraints.c (simplify_operand_subreg): Check additionally
12863         address validity after potential reloading.
12864         (process_address_1): Check insns validity.  In case of failure do
12865         nothing.
12867 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
12869         PR target/69118
12870         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
12871         Fix target.
12873 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
12875         * wide-int.cc (canonize_uhwi): New function.
12876         (wi::divmod_internal): Use it.
12878 2016-02-02  James Norris  <jnorris@codesourcery.com
12880         * gimplify.c (omp_notice_variable): Add usage check.
12882 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
12884         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
12885         like LE, GE, LT, GT when emitting relational operator.
12887 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
12889         * ira-costs.c (find_costs_and_classes): Add extra argument.
12890         * target.def (ira_change_pseudo_allocno_class): Add parameter.
12891         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
12892         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
12893         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
12894         Add best_class parameter, and return it if not ALL_REGS.
12895         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
12896         Add parameter.
12897         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
12898         Update target hook.
12900 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
12902         * config/aarch64/aarch64.c
12903         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
12904         (aarch64_ira_change_pseudo_allocno_class): New function.
12906 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
12908         PR target/67032
12909         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
12911 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
12913         * config/avr/avr.c (avr_option_override): Set
12914         PARAM_ALLOW_STORE_DATA_RACES to 1.
12916 2016-02-02  Richard Biener  <rguenther@suse.de>
12918         PR tree-optimization/69595
12919         * match.pd: Add range test simplifications to true/false.
12921 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
12923         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
12924         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
12925         instead.
12927 2016-02-02  Richard Biener  <rguenther@suse.de>
12929         PR tree-optimization/69606
12930         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
12931         info on the result before moving a stmt.
12933 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
12935         PR middle-end/68542
12936         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
12937         branch with vector comparison.
12938         * config/i386/sse.md (VI48_AVX): New mode iterator.
12939         (define_expand "cbranch<mode>4): Add support for conditional branch
12940         with vector comparison.
12941         * tree-vect-loop.c (optimize_mask_stores): New function.
12942         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
12943         has_mask_store field of vect_info.
12944         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
12945         vectorized loops having masked stores after vec_info destroy.
12946         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
12947         correspondent macros.
12948         (optimize_mask_stores): Add prototype.
12950 2016-02-02  Alan Modra  <amodra@gmail.com>
12952         PR target/69548
12953         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
12954         allow subregs.
12956 2016-02-02  Alan Modra  <amodra@gmail.com>
12958         PR target/68662
12959         * config/rs6000/rs6000.c (need_toc_init): New var, set it
12960         whenever toc_label_name used.
12961         (rs6000_file_start): Don't set up toc section here,
12962         (rs6000_output_function_epilogue): do so here instead,
12963         (rs6000_xcoff_file_start): and here.
12964         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
12965         (load_toc_aix_di): Likewise.
12967 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
12969         PR rtl-optimization/69592
12970         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
12971         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
12972         (num_sign_bit_copies_binary_arith_p): New inline function.
12973         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
12975 2016-02-01  Jeff Law  <law@redhat.com>
12977         PR tree-optimization/69580
12978         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
12979         * tree-ssa-threadbackward.c
12980         (fsm_find_control_statement_thread_paths): Do not try to walk
12981         through large PHI nodes.
12983 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
12985         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
12986         when count is incremented above limit, don't analyze further
12987         insns afterwards.
12989         * omp-low.c (oacc_parse_default_dims): Avoid
12990         -Wsign-compare warning, make sure value fits into int
12991         rather than just unsigned int.
12993 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
12995         PR tree-optimization/67921
12996         * fold-const.c (split_tree): New parameters.  Convert pointer
12997         type variable part to proper type before negating.
12998         (fold_binary_loc): Pass new arguments to split_tree.
13000 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13002         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13003         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13004         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13005         * doc/tm.texti: Rebuilt.
13006         * doc/invoke.texi (fopenacc-dim): Document.
13007         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13008         (append_compiler_options): Likewise.
13009         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13010         (oacc_parse_default_dims): New.
13011         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13012         possible.
13013         (oacc_loop_fixed_partitions): Return mask of used partitions.
13014         (oacc_loop_auto_partitions): Emit dump info.
13015         (oacc_loop_partition): Return mask of used partitions.
13016         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13017         loop partitioning and validation calls.
13019 2016-02-01  Richard Biener  <rguenther@suse.de>
13021         PR middle-end/69556
13022         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13024 2016-02-01  Richard Biener  <rguenther@suse.de>
13026         PR tree-optimization/69574
13027         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13028         of asserting return chrec_dont_know.
13030 2016-02-01  Martin Liska  <mliska@suse.cz>
13032         * mem-stats-traits.h: Add copyright header.
13033         * mem-stats.h: Likewise.
13035 2016-02-01  Richard Biener  <rguenther@suse.de>
13037         PR tree-optimization/69579
13038         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13039         Do not propagate through abnormal PHI results.
13041 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13043         * postreload.c (reload_cse_simplify): Remove dead code.
13045 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13047         PR rtl-optimization/69570
13048         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13049         if there is more than one set, not if there is a single set.
13051 2016-02-01  Richard Henderson  <rth@redhat.com>
13053         PR rtl-opt/69535
13054         * combine.c (make_compound_operation): When looking through a
13055         subreg, make sure to re-extend to the width of the outer mode.
13057 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13059         PR tree-optimization/69546
13060         * wide-int.cc (wi::divmod_internal): For unsigned division
13061         where both operands fit into uhwi, if o1 is 1 and o0 has
13062         msb set, if divident_prec is larger than bits per hwi,
13063         clear another quotient word and return 2 instead of 1.
13064         Similarly for remainder with msb in HWI set, if dividend_prec
13065         is larger than bits per hwi.
13067 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13069         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13070         Use short lowercase names.
13071         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13072         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13073         acq_rel one.  Protect warning agains segfaults if
13074         get_memory_order_name returns NULL.
13075         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13076         with release semantics.  Do not warn if get_memory_order already did.
13077         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13078         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13079         if get_memory_order already did.
13081 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13083         * doc/install.texi: Document that isl-0.16 is supported.
13085 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13087         PR target/69299
13088         * config/i386/constraints.md (Bm): Describe as special memory
13089         constraint.
13090         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13091         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13092         * genpreds.c (struct constraint_data): Add is_special_memory.
13093         (have_special_memory_constraints, special_memory_start): New
13094         static vars.
13095         (special_memory_end): Ditto.
13096         (add_constraint): Add new arg is_special_memory.  Add code to
13097         process its true value.  Update have_special_memory_constraints.
13098         (process_define_constraint): Pass the new arg.
13099         (process_define_register_constraint): Ditto.
13100         (choose_enum_order): Process special memory.
13101         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13102         function insn_extra_special_memory_constraint.
13103         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13104         * gensupport.c (process_rtx): Process
13105         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13106         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13107         * ira-lives.c (single_reg_class): Use
13108         insn_extra_special_memory_constraint.
13109         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13110         * lra-constraints.c (process_alt_operands): Ditto.
13111         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13112         * recog.c (asm_operand_ok, preprocess_constraints): Process
13113         CT_SPECIAL_MEMORY.
13114         * reload.c (find_reloads): Ditto.
13115         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13116         * stmt.c (parse_input_constraint): Use
13117         insn_extra_special_memory_constraint.
13119 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13121         PR target/69530
13122         * lra-splill.c (lra_final_code_change): Revert r229087 by
13123         removing all sub-registers.
13125 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13127         PR target/65604
13128         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13130 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13132         PR target/69551
13133         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13134         SSE1, copy target into the temporary reg first before recursing
13135         on it.
13137 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13139         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13140         with vm.
13142 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13144         * ginclude/stdarg.h: Test __cplusplus instead of
13145         __GXX_EXPERIMENTAL_CXX0X__.
13147 2016-01-29  Richard Biener  <rguenther@suse.de>
13149         PR tree-optimization/69547
13150         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13151         Do not mark clobbers necessary.
13152         (mark_all_reaching_defs_necessary_1): Likewise.
13154 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13156         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13157         declaration name with %qs and print it in both error messages.
13158         Also fix indentation.
13160 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13162         PR other/69006
13163         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13164         trailing blank line from error message.
13166 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13168         PR c++/69462
13169         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13170         for C++-11.
13172 2016-01-29  Richard Biener  <rguenther@suse.de>
13174         PR middle-end/69537
13175         * match.pd: Allow all integral types when simplifying a
13176         widening or sign-changing conversion.
13178 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13180         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13181         back to setting codegen_error to fail codegen.
13183 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13185         PR target/69459
13186         * config/i386/constraints.md (C): Only accept constant zero operand.
13187         (BC): New constraint.
13188         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13189         instead of C constraint.
13190         * doc/md.texi (Machine Constraints): Update description
13191         of C constraint.
13193 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13195         PR target/68400
13196         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13198 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13200         PR middle-end/69542
13201         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13202         non-debug insns.
13204 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13206         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13207         branches if using guessed profile.
13209 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13211         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13213 2016-01-28  Richard Henderson  <rth@redhat.com>
13215         PR target/69305
13216         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13217         * config/aarch64/aarch64-protos.h: Update.
13218         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13219         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13220         (aarch64_get_condition_code_1): Handle CC_Cmode.
13221         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13222         (*add<mode>3_compareC_cconly_imm): New.
13223         (*add<mode>3_compareC_cconly): New.
13224         (*add<mode>3_compareC_imm): New.
13225         (add<mode>3_compareC): New.
13226         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13227         to be first.  Use aarch64_carry_operation.
13228         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13229         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13230         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13231         (subti3): Use subdi3_compare1.
13232         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13233         (sub<mode>3_compare1): New.
13234         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13235         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13236         (*subsi3_carryin_uxtw): Likewise.
13237         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13238         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13239         * config/aarch64/iterators.md (DWI): New.
13240         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13241         (aarch64_borrow_operation): New.
13243 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13245         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13246         message when isl does not return a valid schedule.
13248 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13250         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13251         Remove comments from class declarations: they are already in the code
13252         close by the defs.
13254 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13256         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13257         codegen_error_p.
13258         (ternary_op_to_tree): Same.
13259         (unary_op_to_tree): Same.
13260         (nary_op_to_tree): Same.
13261         (gcc_expression_from_isl_expr_op): Same.
13262         (gcc_expression_from_isl_expression): Same.
13263         (graphite_create_new_loop): Same.
13264         (graphite_create_new_loop_guard): Same.
13265         (build_iv_mapping): Same.
13266         (graphite_create_new_guard): Same.
13267         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13268         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13270 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13272         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13273         instead of setting codegen_error to fail codegen.
13275 2016-01-28  Jason Merrill  <jason@redhat.com>
13277         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13279 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13281         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13282         Remove CONST_INT_P check in CCMP cost calculation.
13284 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13286         * config/aarch64/aarch64.c (generic_vector_cost):
13287         Set vec_permute_cost.
13288         (cortexa57_vector_cost): Likewise.
13289         (exynosm1_vector_cost): Likewise.
13290         (xgene1_vector_cost): Likewise.
13291         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13292         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13293         Add vec_permute_cost entry.
13295 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13297         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13298         immediate as %1.
13299         (add<mode>3_compare0): Likewise.
13300         (addsi3_compare0_uxtw): Likewise.
13301         (add<mode>3nr_compare0): Likewise.
13302         (compare_neg<mode>): Likewise.
13303         (<optab><mode>3): Likewise.
13305 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
13307         * tree-vect-stmts.c (vectorizable_comparison): Add
13308         NULL check for vectype.
13310 2016-01-28  Richard Biener  <rguenther@suse.de>
13312         PR tree-optimization/69466
13313         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13314         Account for PHIs we couldn't duplicate.
13316 2016-01-28  Martin Liska  <mliska@suse.cz>
13318         PR pch/68758
13319         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13320         instead of ENABLE_VALGRIND_CHECKING.
13322 2016-01-27  Richard Henderson  <rth@redhat.com>
13324         PR rtl-opt/69447
13325         * lra-remat.c (subreg_regs): New.
13326         (dump_candidates_and_remat_bb_data): Dump it.
13327         (operand_to_remat): Reject if operand in subreg_regs.
13328         (set_bb_regs): Collect subreg_regs.
13329         (lra_remat): Init and free subreg_regs.  Compute
13330         calculate_local_reg_remat_bb_data before create_cands.
13332 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13334         PR target/68986
13335         * config/i386/i386.c (ix86_update_stack_boundary): Don't
13336         change stack_alignment_needed for __tls_get_addr call.
13338 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
13340         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13342 2016-01-27  Jeff Law  <law@redhat.com>
13344         PR tree-optimization/68398
13345         PR tree-optimization/69196
13346         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13347         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13348         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13349         Only count PHIs in the last block in the path.  The others will
13350         const/copy propagate away.  Add heuristic to allow more irreducible
13351         subloops to be created when it is likely profitable to do so.
13353         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13354         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
13355         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
13357 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13359         PR lto/69254
13360         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13361         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13362         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13363         * tree-streamer-in.c: Include asan.h.
13364         (streamer_get_builtin_tree): For builtins in sanitizer
13365         range call initialize_sanitizer_builtins and retry.
13367 2016-01-27  Ian Lance Taylor  <iant@google.com>
13369         * common.opt (fkeep-gc-roots-live): New undocumented option.
13370         * tree-ssa-loop-ivopts.c (add_candidate_1): If
13371         -fkeep-gc-roots-live, skip pointers.
13372         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13373         NULL.
13375 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13377         PR target/69512
13378         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13379         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13381 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13383         PR target/68380
13384         * configure.ac: NetBSD provides SSP in its C library.
13385         * configure: Updated.
13387 2016-01-27  Richard Biener  <rguenther@suse.de>
13389         PR tree-optimization/69166
13390         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13391         reduction code for commutativity / associativity.
13393 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13395         PR tree-optimization/69355
13396         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13397         total_scalarization fails.
13399 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13401         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13402         power9.
13404 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13406         PR target/69245
13407         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13408         Move arm_reset_previous_fndecl and set_target_option_current_node in
13409         the conditional part.  Call save_restore_target_globals.
13410         * config/arm/arm.c (arm_set_current_function):
13411         Refactor to better support #pragma target and attribute mix.
13412         Call save_restore_target_globals.
13413         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13415 2016-01-27  Martin Liska  <mliska@suse.cz>
13417         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13418         reference for an HSA kernel and its host function.
13420 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13422         PR tree-optimization/69399
13423         * wide-int.h (wi::lrshift): For larger precisions, only
13424         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13426 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13428         * config/arc/predicates.md (proper_comparison_operator): Reject
13429         constant-constant comparison.
13431 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13433         PR tree-optimization/69110
13434         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13435         DR_NUM_DIMENSIONS == 0.
13437 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13438             Sebastian Pop  <s.pop@samsung.com>
13440         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13441         isl_ast_op_cond and isl_ast_op_select.
13442         (gcc_expression_from_isl_expr_op): Same.
13444 2016-01-26  Jason Merrill  <jason@redhat.com>
13446         PR c++/68782
13447         * tree.c (recompute_constructor_flags): Split out from
13448         build_constructor.
13449         (verify_constructor_flags): New.
13450         * tree.h: Declare them.
13452 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
13454         PR rtl-optimization/69217
13455         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
13456         are no TYPE_FIELDS set for the record type.
13458 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13460         PR target/68662
13461         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
13462         toc_label_name unconditionally.
13463         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
13464         SYMBOL_REF string.  Use toc_label_name instead of constructing
13465         LCTOC1.
13466         (rs6000_elf_declare_function_name): Use toc_label_name instead of
13467         constructing LCTOC1.
13469 2016-01-26  Martin Sebor  <msebor@redhat.com>
13471         PR other/69477
13472         * doc/extend.texi (Common Type Attributes): Move text that talks about
13473         attribute packed from attribute aligned to the section discussing
13474         the former attribute for clarity.
13476 2016-01-26  Richard Henderson  <rth@redhat.com>
13478         PR middle-end/60908
13479         * trans-mem.c (tm_region_init): Mark entry block as visited.
13481 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
13483         PR other/69006
13484         * diagnostic-show-locus.c (layout::print_source_line): Replace
13485         call to pp_newline with call to layout::print_newline.
13486         (layout::print_annotation_line): Likewise.
13487         (layout::move_to_column): Likewise.
13488         (layout::print_any_fixits): After printing any fixits, print a
13489         trailing newline, if necessary.
13490         (layout::print_newline): New method, resetting any colorization
13491         before a newline.
13492         (diagnostic_show_locus): Move the pp_newline to before the
13493         early bailout.  Remove dummy block enclosing the layout instance.
13494         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
13495         of pp_newline_and_flush with pp_flush.
13496         (diagnostic_append_note): Delete use of pp_newline.
13497         (diagnostic_append_note_at_rich_loc): Delete.
13498         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
13499         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
13500         when newline characters are added to the buffer.
13502 2016-01-26  Michael Matz  <matz@suse.de>
13504         * configure.ac (ac_cv_std_swap_in_utility): New test.
13505         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
13506         * configure: Regenerate.
13507         * config.in: Regenerate.
13509 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
13511         * config/arc/arc.md (cstoresi4): Force operand into register.
13512         (arcset<code>): Fix predicate.
13513         (arcsetltu): Likewise.
13514         (arcsetgeu): Likewise.
13515         (arcsethi): Likewise.
13516         (arcsetls): Likewise.
13518 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13520         PR tree-optimization/69483
13521         * gimple-fold.c (canonicalize_constructor_val): Return NULL
13522         if base has error_mark_node type.
13524 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
13526         PR target/68620
13527         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
13528         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
13529         New helper macros.
13530         (vget_lane_f16): Handle big-endian.
13531         (vgetq_lane_f16): Likewise.
13532         (vset_lane_f16): Likewise.
13533         (vsetq_lane_f16): Likewise.
13534         * config/arm/iterators.md (VQXMOV): Add V8HF.
13535         (VDQ): Add V4HF and V8HF.
13536         (V_reg): Handle V4HF and V8HF.
13537         (Is_float_mode): Likewise.
13538         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
13539         neon_vdup_nv8hf): New patterns.
13540         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
13541         Use VD_LANE iterator.
13542         (neon_vld1_dup<mode>): Use VQ2 iterator.
13544 2016-01-26  Nathan Sidwell  <nathan@acm.org>
13546         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
13547         (set_oacc_fn_attrib): Add IS_KERNEL arg.
13548         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
13549         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
13550         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
13551         (oacc_validate_dims): Add LEVEL arg, don't return level.
13552         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
13553         oacc_validate_dims.
13554         (execute_oacc_device_lower): Adjust, add more dump output.
13555         * tree-ssa-loop.c (gate_oacc_kernels): Use
13556         oacc_fn_attrib_kernels_p.
13557         * tree-parloops.c (create_parallel_loop): Adjust
13558         set_oacc_fn_attrib call.
13560 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13562         PR lto/69254
13563         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
13564         (append_compiler_options): Handle -fcilkplus.
13565         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
13567 2016-01-26  Nick Clifton  <nickc@redhat.com>
13569         PR target/66655
13570         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
13571         been marked as DECL_ONE_ONLY but we do not the means to make it
13572         so, then do not allow it to bind locally.
13574 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13576         PR lto/69254
13577         * opts.h (parse_sanitizer_options): New prototype.
13578         * opts.c (sanitizer_opts): New array.
13579         (parse_sanitizer_options): New function.
13580         (common_handle_option): Use parse_sanitizer_options.
13582 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
13584         PR target/68986
13585         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
13586         alignment adjustment to ...
13587         (ix86_update_stack_boundary): Here.  Don't over-align stack for
13588         __tls_get_addr.
13589         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
13590         if __tls_get_addr is called.
13592 2016-01-26  Christian Bruel  <christian.bruel@st.com>
13594         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
13596 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
13598         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
13600 2016-01-26  Richard Biener  <rguenther@suse.de>
13602         PR middle-end/69467
13603         * match.pd: Guard X * CST CMP 0 pattern with single_use.
13605 2016-01-26  Richard Biener  <rguenther@suse.de>
13607         PR tree-optimization/69452
13608         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
13609         (move_computations_dom_walker::before_dom_children): Rename
13610         to ...
13611         (move_computations_worker): This.
13612         (move_computations): Perform an RPO rather than a DOM walk.
13614 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13616         PR target/69442
13617         * combine.c (combine_instructions): For REG_EQUAL note with
13618         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
13619         to the underlying register.
13620         * doc/rtl.texi (REG_EQUAL): Document the behavior of
13621         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
13623 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
13625         PR target/67896
13626         * config/aarch64/aarch64-builtins.c
13627         (aarch64_init_simd_builtin_types): Do not set structural
13628         equality to __Poly{8,16,64,128}_t types.
13630 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
13632         PR tree-optimization/69400
13633         * wide-int.cc (wi_pack): Take the precision as argument and
13634         perform canonicalization here rather than in the callers.
13635         Use the main loop to handle all full-width HWIs.  Add a
13636         zero HWI if in_len isn't a full result.
13637         (wi::divmod_internal): Update accordingly.
13638         (wi::mul_internal): Likewise.  Simplify.
13640 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13641             Sebastian Pop  <s.pop@samsung.com>
13643         * graphite-poly.c (apply_poly_transforms): Simplify.
13644         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
13645         (print_isl_map): Same.
13646         (print_isl_union_map): Same.
13647         (print_isl_schedule): New.
13648         (debug_isl_schedule): New.
13649         * graphite-dependences.c (scop_get_reads): Do not call
13650         isl_union_map_add_map that is undocumented isl functionality.
13651         (scop_get_must_writes): Same.
13652         (scop_get_may_writes): Same.
13653         (scop_get_original_schedule): Remove.
13654         (scop_get_dependences): Do not call isl_union_map_compute_flow that
13655         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
13656         (compute_deps): Remove.
13657         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
13658         (debug_schedule_ast): New.
13659         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
13660         set_separate_option.
13661         (graphite_regenerate_ast_isl): Add dump.
13662         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
13663         from scop->transformed_schedule.
13664         (graphite_regenerate_ast_isl): Add more dump.
13665         * graphite-optimize-isl.c (optimize_isl): Set
13666         scop->transformed_schedule.  Check whether schedules are equal.
13667         (apply_poly_transforms): Move here.
13668         * graphite-poly.c (apply_poly_transforms): ... from here.
13669         (free_poly_bb): Static.
13670         (free_scop): Static.
13671         (pbb_number_of_iterations_at_time): Remove.
13672         (print_isl_ast): New.
13673         (debug_isl_ast): New.
13674         (debug_scop_pbb): New.
13675         * graphite-scop-detection.c (print_edge): Move.
13676         (print_sese): Move.
13677         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
13678         (build_scop_scattering): Remove.
13679         (create_pw_aff_from_tree): Assert instead of bailing out.
13680         (add_condition_to_pbb): Remove unused code, do not fail.
13681         (add_conditions_to_domain): Same.
13682         (add_conditions_to_constraints): Remove.
13683         (build_scop_context): New.
13684         (add_iter_domain_dimension): New.
13685         (build_iteration_domains): Initialize pbb->iterators.
13686         Call add_conditions_to_domain.
13687         (nested_in): New.
13688         (loop_at): New.
13689         (index_outermost_in_loop): New.
13690         (index_pbb_in_loop): New.
13691         (outermost_pbb_in): New.
13692         (add_in_sequence): New.
13693         (add_outer_projection): New.
13694         (outer_projection_mupa): New.
13695         (add_loop_schedule): New.
13696         (build_schedule_pbb): New.
13697         (build_schedule_loop): New.
13698         (embed_in_surrounding_loops): New.
13699         (build_schedule_loop_nest): New.
13700         (build_original_schedule): New.
13701         (build_poly_scop): Call build_original_schedule.
13702         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
13703         (free_poly_dr): Remove.
13704         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
13705         (free_poly_bb): Remove.
13706         (debug_loop_vec): Remove.
13707         (print_isl_ast): Declare.
13708         (debug_isl_ast): Declare.
13709         (scop_do_interchange): Remove.
13710         (scop_do_strip_mine): Remove.
13711         (scop_do_block): Remove.
13712         (flatten_all_loops): Remove.
13713         (optimize_isl): Remove.
13714         (pbb_number_of_iterations_at_time): Remove.
13715         (debug_scop_pbb): Declare.
13716         (print_schedule_ast): Declare.
13717         (debug_schedule_ast): Declare.
13718         (struct scop): Remove schedule.  Add original_schedule,
13719         transformed_schedule.
13720         (free_gimple_poly_bb): Remove.
13721         (print_generated_program): Remove.
13722         (debug_generated_program): Remove.
13723         (unify_scattering_dimensions): Remove.
13724         * sese.c (print_edge): ... here.
13725         (print_sese): ... here.
13726         (debug_edge): ... here.
13727         (debug_sese): ... here.
13728         * sese.h (print_edge): Declare.
13729         (print_sese): Declare.
13730         (dump_edge): Declare.
13731         (dump_sese): Declare.
13733 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13734             Sebastian Pop  <s.pop@samsung.com>
13736         * Makefile.in: Set ISLVER in site.exp.
13738 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
13740         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
13741         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
13742         through DECL_VALUE_EXPR for expansion.
13744 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13746         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
13747         the frame info after reload completed.
13749 2016-01-25  Jeff Law  <law@redhat.com>
13751         PR tree-optimization/69196
13752         PR tree-optimization/68398
13753         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
13754         tree-ssa-threadupdate.c.
13755         (determine_bb_domination_status): Prototype
13756         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
13757         (determine_bb_domination_status): No longer static.
13758         (valid_jump_thread_path): Remove code to detect characteristics
13759         of the jump thread path not associated with correctness.
13760         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
13761         Correct test for thread path length.  Count PHIs for real operands as
13762         statements that need to be copied.  Do not count ASSERT_EXPRs.
13763         Look at all the blocks in the thread path.  Compute and selectively
13764         filter thread paths based on threading through the latch, threading
13765         a multiway branch or crossing a multiway branch.
13767 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13769         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
13770         decl with __attribute__ ((unused)) annotation.
13772 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
13774         PR target/69421
13775         * tree-vect-stmts.c (vectorizable_condition): Check vectype
13776         of operands is compatible with a statement vectype.
13778 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
13780         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
13781         improve wording for mixed storage order support.
13783 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
13785         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
13786         (vcvt_u64_f64): Likewise.
13787         (vcvta_s64_f64): Likewise.
13788         (vcvta_u64_f64): Likewise.
13789         (vcvtm_s64_f64): Likewise.
13790         (vcvtm_u64_f64): Likewise.
13791         (vcvtn_s64_f64): Likewise.
13792         (vcvtn_u64_f64): Likewise.
13793         (vcvtp_s64_f64): Likewise.
13794         (vcvtp_u64_f64): Likewise.
13796 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
13798         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
13799         (arc_init): Check validity mll64 option.
13800         (arc_save_restore): Use double load/store instruction.
13801         (arc_expand_movmem): Likewise.
13802         (arc_split_move): Don't split if we have double load/store
13803         instructions. Returns a boolean.
13804         (arc_process_double_reg_moves): Change function to return boolean
13805         instead of a sequence of instructions.
13806         (arc_dwarf_register_span): New function.
13807         * config/arc/arc-protos.h (arc_split_move): Change prototype.
13808         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
13809         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
13810         (*movdf_insn): Likewise.
13811         * config/arc/arc.opt (mll64): New option.
13812         * config/arc/predicates.md (even_register_operand): New predicate.
13813         * doc/invoke.texi (ARC Options): Add mll64 documentation.
13815 2016-01-25  Richard Biener  <rguenther@suse.de>
13817         PR lto/69393
13818         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
13819         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
13820         DECL_NAMELESS.
13821         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
13823 2016-01-25  Richard Biener  <rguenther@suse.de>
13825         PR tree-optimization/69376
13826         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
13827         flag.
13828         (VN_INFO_ANTI_RANGE_P): New inline.
13829         (VN_INFO_RANGE_TYPE): Likewise.
13830         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
13831         SSA_NAME_ANTI_RANGE_P.
13832         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
13833         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
13834         Properly query VN_INFO_RANGE_TYPE.
13836 2016-01-25  Nick Clifton  <nickc@redhat.com>
13838         PR target/66655
13839         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
13841 2016-01-23  Tom de Vries  <tom@codesourcery.com>
13843         PR tree-optimization/69426
13844         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
13845         removed clobber.
13847 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
13849         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
13850         "the the" with "the" in the comments.
13851         * ipa-devirt.c (build_type_inheritance_graph,
13852         update_type_inheritance_graph): Likewise.
13853         * tree.c (build_function_type_list_1): Likewise.
13854         * cfgloopmanip.c (scale_loop_profile): Likewise.
13855         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
13856         * gimple-ssa-split-paths.c
13857         (find_block_to_duplicate_for_splitting_paths): Likewise.
13858         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
13859         * expr.c (convert_move): Likewise.
13860         * var-tracking.c (vt_stack_adjustments): Likewise.
13861         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
13862         * tree-vrp.c (test_for_singularity): Likewise.
13864         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
13865         directly instead of building a temporary tree.
13867         PR bootstrap/69434
13868         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
13869         remove <algorithm> include.
13871 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
13873         PR target/69432
13874         * config/i386/i386.c: Include dojump.h.
13875         (expand_small_movmem_or_setmem,
13876         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
13877         fixes.
13878         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
13879         if dynamic_check != -1.
13881 2016-01-21  Jeff Law  <law@redhat.com>
13883         PR middle-end/69347
13884         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
13885         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
13886         into dominated_by_p.
13887         (cprop_into_successor_phis): Avoid unnecessary tests.
13889 2016-01-22  Richard Henderson  <rth@redhat.com>
13891         PR target/69416
13892         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
13893         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
13895 2016-01-22  Michael Matz  <matz@suse.de>
13897         * system.h (string, algorithm): Include only conditionally.
13898         (new): Include always under C++.
13899         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
13900         * final.c (toplevel): Ditto.
13901         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
13902         * genconditions.c (write_header): Make gencondmd.c define
13903         INCLUDE_STRING.
13904         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
13906         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
13907         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
13909 2016-01-22  Christian Bruel  <christian.bruel@st.com>
13911         PR target/68674
13912         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
13914 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13916         PR target/69403
13917         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
13918         define_insn_and_split.  Ensure operands[1] and operands[0] do not
13919         get assigned the same register.
13921 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
13923         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
13925 2016-01-22  Christian Bruel  <christian.bruel@st.com>
13927         * config/arm/arm-c.c (arm_pragma_target_parse):
13928         Remove warn_builtin_macro_redefined overwrite.
13930 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
13932         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
13933         flag_non_call_exceptions compatibility.
13935 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
13937         PR debug/66668
13938         * dwarf2out.c (add_child_die_after): New function.
13939         (dwarf_qual_info_t): New type.
13940         (dwarf_qual_info): New variable.
13941         (qualified_die_p): New function.
13942         (modified_type_die): For -fdebug-types-section, ensure
13943         canonical order of qualifiers.  Put qualified DIEs adjacent
13944         to the corresponding non-qualified type DIE and search there
13945         for existing qualified DIEs.
13947 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
13949         * doc/extend.texi (scalar_storage_order type attribute): Document
13950         restriction on type punning and aliasing, and remove future tense.
13952 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
13954         PR target/69252
13955         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
13956         first stage.
13958 2016-01-21  Jeff Law  <law@redhat.com>
13960         PR middle-end/69347
13961         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
13962         useless call to record_temporary_equivalences.
13963         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
13964         allocate 10 slots in the bb_path vector and let it grow as needed.
13965         (fsm_find_control_statement_thread_paths): Similarly for the next_path
13966         vector.
13968 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
13970         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
13971         Detangle.
13972         * configure: Regenerate.
13974 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
13976         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
13977         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
13979 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
13981         PR middle-end/66178
13982         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
13983         drop EXPAND_INITIALIZER.
13984         * rtl.h (contains_symbolic_reference_p): Declare.
13985         * rtlanal.c (contains_symbolic_reference_p): New function.
13986         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
13987         a subtraction into a NOT if symbolic constants are involved.
13989 2016-01-21  Anton Blanchard  <anton@samba.org>
13990             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13992         PR target/63354
13993         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
13994         #define.
13995         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
13996         function.
13998 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14000         * config/microblaze/microblaze.c
14001         (get_branch_target): New.
14002         (insert_wic_for_ilb_runout): New.
14003         (insert_wic): New.
14004         (microblaze_machine_dependent_reorg): New.
14005         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14006         * config/microblaze/microblaze.md
14007         (UNSPEC_IPREFETCH): Define.
14008         (iprefetch): New pattern
14009         * config/microblaze/microblaze.opt
14010         (mxl-prefetch): New flag.
14012 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14014         * config/microblaze/microblaze.h
14015         (FIXED_REGISTERS): Update in macro.
14016         (CALL_USED_REGISTERS): Update in macro.
14018 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14020         PR rtl-optimization/68920
14021         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14022         moves.
14024 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14026         PR rtl-optimization/68990
14027         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14028         pseudo instead of inheritance ones.
14030 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14031             Nick Clifton  <nickc@redhat.com>
14033         PR target/69129
14034         PR target/69012
14035         * config/mips/mips.c (mips_compute_frame_info): Initialise
14036         args_size and hard_frame_pointer_offset fields of the frame
14037         structure before calling mips_global_pointer.
14039 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14041         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14042         label reference.
14043         * configure: Regenerate.
14045 2016-01-21  Richard Biener  <rguenther@suse.de>
14047         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14049 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14051         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14052         to actually emit the .size directive.
14054 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14055              Jakub Jelinek  <jakub@redhat.com>
14057         PR target/69187
14058         PR target/65624
14059         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14060         args array size by one to avoid buffer overflow.
14062 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14064         * config/s390/s390.md (pool_section_start): Use switch_to_section
14065         to select proper read-only data section instead of hardcoding
14066         .rodata.
14067         (pool_section_end): Use switch_to_section to match the above.
14069 2016-01-21  Richard Biener  <rguenther@suse.de>
14071         PR tree-optimization/69378
14072         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14073         (set_ssa_val_to): Use it for dominance checks taking into
14074         account not executable edges.
14076 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14078         PR c++/69355
14079         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14080         for bitsize instead of GET_MODE_PRECISION (mode).
14082 2016-01-20  Martin Sebor  <msebor@redhat.com>
14084         PR c/52291
14085         * extend.texi (__sync Builtins): Clarify the semantics of
14086         __sync_fetch_and_OP built-ins on pointers.
14087         (__atomic Builtins): Same.
14089 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14090             Sebastian Pop  <s.pop@samsung.com>
14092         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14093         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14094         (is_valid_rename): Same.
14095         (translate_isl_ast_to_gimple::get_rename): Same.
14096         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14097         (translate_isl_ast_to_gimple::rename_uses): Same.
14098         (get_new_name): Check for close_phi nodes.
14099         (copy_loop_phi_args): Use phi_node_kind.
14100         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14101         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14103 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14104             Sebastian Pop  <s.pop@samsung.com>
14106         Revert commit r229783.
14107         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14108         Remove use of parameter_rename_map.
14109         (copy_def): Remove.
14110         (copy_internal_parameters): Remove.
14111         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14112         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14113         (free_sese_info): Do not free parameter_rename_map.
14114         (set_rename): Do not use parameter_rename_map.
14115         (rename_uses): Update call to set_rename.
14116         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14117         * sese.h (parameter_rename_map_t): Remove.
14118         (struct sese_info_t): Remove field parameter_rename_map.
14120 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14121             Sebastian Pop  <s.pop@samsung.com>
14123         * graphite-isl-ast-to-gimple.c: Fix comment.
14124         * graphite-scop-detection.c (defined_in_loop_p): New.
14125         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14126         names defined in loop.
14128 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14129             Sebastian Pop  <s.pop@samsung.com>
14131         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14132         Discard unstructured if-then-else regions.
14134 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14135             Sebastian Pop  <s.pop@samsung.com>
14137         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14138         (cleanup_loop_iter_dom): Remove.
14139         (build_loop_iteration_domains): Remove.
14140         (build_scop_context): Remove.
14141         (build_scop_iteration_domain): Remove.
14142         (add_loop_constraints): New.
14143         (build_iteration_domains): New.
14144         (build_poly_scop): Call build_iteration_domains.
14146 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14147             Sebastian Pop  <s.pop@samsung.com>
14149         * graphite-scop-detection.c
14150         (scop_detection::harmful_loop_in_region): Free dom and loops.
14151         (scop_detection::loop_body_is_valid_scop): Free bbs.
14153 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14154             Sebastian Pop  <s.pop@samsung.com>
14156         * graphite-scop-detection.c (record_loop_in_sese): New.
14157         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14158         (build_scops): Remove call to build_sese_loop_nests.
14159         * sese.c (sese_record_loop): Remove.
14160         (build_sese_loop_nests): Remove.
14161         (new_sese_info): Remove region->loops.
14162         (free_sese_info): Same.
14163         * sese.h (sese_contains_loop): Same.
14164         (build_sese_loop_nests): Remove.
14165         (sese_contains_loop): Remove.
14167 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14168             Sebastian Pop  <s.pop@samsung.com>
14170         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14171         loop_is_valid_in_scop.
14172         (scop_detection::harmful_stmt_in_region): Renamed
14173         harmful_loop_in_region.
14174         Call loop_is_valid_in_scop.
14176 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14177             Sebastian Pop  <s.pop@samsung.com>
14179         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14180         isl_ast_node_mark.
14182 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14183             Sebastian Pop  <s.pop@samsung.com>
14185         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14186         * graphite.h (struct poly_bb): Remove field is_reduction.
14187         (PBB_IS_REDUCTION): Remove.
14189 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14190             Sebastian Pop  <s.pop@samsung.com>
14192         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14193         (add_pdr_constraints): Same.
14194         (scop_get_reads): Same.
14195         (scop_get_must_writes): Same.
14196         (scop_get_may_writes): Same.
14197         (scop_get_original_schedule): Same.
14198         (extend_schedule): Same.
14199         (apply_schedule_on_deps): Same.
14200         (carries_deps): Same.
14201         (compute_deps): Same.
14202         (scop_get_dependences): Same.
14203         * graphite-isl-ast-to-gimple.c
14204         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14205         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14206         (get_schedule_for_band_list): Same.
14207         (get_schedule_map): Same.
14208         (apply_schedule_map_to_scop): Same.
14209         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14210         (build_loop_iteration_domains): Same.
14211         (add_condition_to_pbb): Same.
14212         (add_param_constraints): Same.
14213         (pdr_add_memory_accesses): Same.
14214         (pdr_add_data_dimensions): Same.
14216 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14218         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14219         requirements.
14221 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14223         * common.opt (feliminate-dwarf2-dups): Replace references to
14224         "DWARF 2" with just "DWARF".
14225         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14226         * doc/extend.texi: Likewise.
14227         * doc/cpp.texi: Likewise.
14228         * doc/invoke.texi: Likewise.
14229         (Option Summary): Add -gdwarf to list of Debugging Options.
14230         (Debugging Options): Document -gdwarf.
14231         * doc/contrib.texi: Spell "DWARF" like that.
14233 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14235         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14236         warning.  Fix up formatting.
14238         PR middle-end/67653
14239         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14240         attempt to mark memory input operand addressable and
14241         call prepare_gimple_addressable in that case.  Don't adjust
14242         input_location for diagnostics, use error_at instead.
14244 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14246         * config/rs6000/ppc-auxv.h: New file.
14247         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14248         (cpu_is): Likewise.
14249         (cpu_supports): Likewise.
14250         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14251         (cpu_is_info): New variable.
14252         (cpu_supports_info): Likewise.
14253         (tcb_verification_symbol): Likewise.
14254         (cpu_builtin_p): Likewise.
14255         (cpu_expand_builtin): New function.
14256         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14257         (rs6000_init_builtins): Likewise.
14258         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14259         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14260         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14261         * configure: Regenerate.
14262         * config.in: Likewise.
14263         * doc/extend.texi (PowerPC Built-in Functions): Document
14264         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14266 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14268         PR target/68609
14269         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14270         domain check.
14271         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14272         for V4SFmode.
14274 2016-01-20  Richard Henderson  <rth@redhat.com>
14276         PR bootstrap/69343
14277         PR bootstrap/69339
14278         PR tree-opt/68964
14279         Revert:
14280         * tree.c (tm_define_builtin): New.
14281         (find_tm_vector_type): New.
14282         (build_tm_vector_builtins): New.
14283         (build_common_builtin_nodes): Call it.
14285 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14287         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14288         (arm_fp_ok): Likewise.
14289         (arm_fp): Likewise.
14290         (arm_crypto): Likewise.
14292 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14293             Richard Biener  <rguenther@suse.de>
14295         PR tree-optimization/69328
14296         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14297         vectors have same number of elements.
14298         (vectorizable_condition): Fix masked version recognition.
14300 2016-01-20  Richard Biener  <rguenther@suse.de>
14302         PR tree-optimization/69345
14303         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14304         (VN_INFO_PTR_INFO): Likewise.
14305         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14306         info when it is equal between non-dominating SSA names.
14307         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14308         Make sure to look at original SSA infos.
14310 2016-01-20  Jeff Law  <law@redhat.com>
14312         PR target/25114
14313         * config/m68k/predicates.md (pow2_m1_operand): New predicate
14314         extracted from ...
14315         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14316         (pc_or_label_operand): New predicate.
14317         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14318         tests for small integers that are 2^n - 1.
14320 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
14322         * doc/invoke.texi (Options Summary): Add '.' after @xref.
14324 2016-01-19  Jeff Law  <law@redhat.com>
14326         PR middle-end/69347
14327         * tree-ssa-threadbackwards.c
14328         (fsm_find_control_statement_thread_paths): Do not try to lookup
14329         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14331 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14333         * doc/lto.texi: Remove text that says only Gold has linker plugin
14334         support.
14336 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
14338         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14339         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14340         the DIE accordingly.
14341         (modified_type_die): Add REVERSE parameter and pass it recursively,
14342         as well as to base_type_die.  Adjust presence check accordingly.
14343         (base_type_for_mode): Adjust call to modified_type_die.
14344         (add_type_attribute): Add REVERSE parameter and pass it to
14345         modified_type_die.
14346         (generic_parameter_die): Adjust call to add_type_attribute.
14347         (add_scalar_info): Likewise.
14348         (add_subscript_info): Likewise.
14349         (gen_array_type_die): Likewise.
14350         (gen_descr_array_type_die): Likewise.
14351         (gen_entry_point_die): Likewise.
14352         (gen_enumeration_type_die): Likewise.
14353         (gen_formal_parameter_die): Likewise.
14354         (gen_subprogram_die): Likewise.
14355         (gen_variable_die ): Likewise.
14356         (gen_const_die): Likewise.
14357         (gen_field_die): Likewise.
14358         (gen_pointer_type_die): Likewise.
14359         (gen_reference_type_die): Likewise.
14360         (gen_ptr_to_mbr_type_die): Likewise.
14361         (gen_inheritance_die): Likewise.
14362         (gen_subroutine_type_die): Likewise.
14363         (gen_typedef_die): Likewise.
14364         (force_type_die): Adjust call to modified_type_die.
14366 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
14368         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14369         flow throughout the file.  Fix broken link to Objective-C 2.0
14370         documentation.
14371         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14372         errors.
14374 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14376         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14378 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14380         PR ipa/66223
14381         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14382         (maybe_record_node): Record cxa_pure_virtual as the only possible
14383         target if there are not ohter candidates.
14384         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14386 2016-01-19  Richard Biener  <rguenther@suse.de>
14388         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14389         (get_memory_order): Likewise.
14391 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14393         * tree-vect-stmts.c (vectorizable_store): Check
14394         rhs vectype.
14396 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14398         PR jit/68446
14399         * gcc.c (driver::decode_argv): Add call to
14400         init_opts_obstack before init_options_struct.
14401         * opts.c (init_opts_obstack): Remove idempotency.
14402         (init_options_struct): Replace call to init_opts_obstack
14403         with a gcc_assert to verify that it has already been called.
14404         * toplev.c (toplev::main): Add call to init_opts_obstack before
14405         calls to init_options_struct.
14406         (toplev::finalize): Move cleanup of opts_obstack next to
14407         cleanup of save_decoded_options, clearing the latter, and
14408         save_decoded_options_count.
14410 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14412         PR target/69135
14413         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14414         attribute to unconditional.  Remove %? from output template.
14416 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14417             Jiong Wang  <jiong.wang@arm.com>
14419         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14420         generated from different expand order.
14422 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14424         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14425         Add support for CCMP costing.
14427 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14429         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14430         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14431         (fccmpe<mode>): Likewise.
14432         (fcmp): Rename to fcmp and globalize pattern.
14433         (fcmpe): Likewise.
14434         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14435         (aarch64_gen_ccmp_next): Add FP support.
14437 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14439         * target.def (gen_ccmp_first): Update documentation.
14440         (gen_ccmp_next): Likewise.
14441         * doc/tm.texi (gen_ccmp_first): Update documentation.
14442         (gen_ccmp_next): Likewise.
14443         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
14444         expand_ccmp_expr_1.  Improve comments.
14445         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
14446         (ccmp_ior<mode>): Remove pattern.
14447         (cmp<mode>): Remove expand.
14448         (cmp): Globalize pattern.
14449         (cstorecc4): Use cc_register.
14450         (mov<mode>cc): Remove ccmp_cc_register check.
14451         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
14452         Simplify after removal of CC_DNE/* modes.
14453         (aarch64_ccmp_mode_to_code): Remove.
14454         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
14455         In 'k' case use integer as condition.
14456         (aarch64_nzcv_codes): Remove inverted cases.
14457         (aarch64_code_to_ccmode): Remove.
14458         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
14459         comparison with CC register to be used in folowing CCMP/branch/CSEL.
14460         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
14461         pattern.  Return the comparison with CC register.  Invert conditions
14462         when bitcode is OR.
14463         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
14464         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
14466 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14468         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14469         instrumented_version.
14471 2016-01-19  Richard Biener  <rguenther@suse.de>
14473         PR tree-optimization/69336
14474         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
14475         handled components with get_ref_base_and_extent.
14476         (equal_mem_array_ref_p): Adjust.
14478 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14480         PR debug/65779
14481         * shrink-wrap.c: Include valtrack.h.
14482         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
14483         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
14484         in between insn and where it will be moved to.  Call
14485         dead_debug_insert_temp.
14486         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
14487         first and dead_debug_local_finish at the end.
14488         For uses and defs bitmap, handle all regs in between REGNO and
14489         END_REGNO, not just the first one.
14491 2016-01-19  Richard Biener  <rguenther@suse.de>
14493         PR tree-optimization/69352
14494         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
14495         (equal_mem_array_ref_p): Constrain size and max size properly.
14496         Compare the reverse flag.
14498 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
14500         * ira.c (ira): Update regstat data if we deleted insns.
14502 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14504         PR rtl-optimization/68955
14505         PR rtl-optimization/64557
14506         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
14507         here.  Fix up formatting.
14508         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
14510 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14512         PR lto/69133
14513         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
14514         assume that the node has body.
14515         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
14516         check.
14518 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14520         * lto-streamer-out.c (lto_output): Do not stream instrumentation
14521         thunks.
14523 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14525         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
14526         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
14528 2016-01-19  Martin Jambor  <mjambor@suse.cz>
14529             Martin Liska  <mliska@suse.cz>
14530             Michael Matz  <matz@suse.de>
14532         * Makefile.in (OBJS): Add new source files.
14533         (GTFILES): Add hsa.c.
14534         * common.opt (disable_hsa): New variable.
14535         (-Whsa): New warning.
14536         * config.in (ENABLE_HSA): New.
14537         * configure.ac: Treat hsa differently from other accelerators.
14538         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
14539         $enable_offloading.
14540         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
14541         * doc/install.texi (Configuration): Document --with-hsa-runtime,
14542         --with-hsa-runtime-include, --with-hsa-runtime-lib and
14543         --with-hsa-kmt-lib.
14544         * doc/invoke.texi (-Whsa): Document.
14545         (hsa-gen-debug-stores): Likewise.
14546         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
14547         to invoke offload compiler for hsa acclerator.
14548         * opts.c (common_handle_option): Determine whether HSA offloading
14549         should be performed.
14550         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
14551         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
14552         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
14553         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
14554         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
14555         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
14556         GF_OMP_FOR_KIND_GRID_LOOP.
14557         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
14558         (pp_gimple_stmt_1): Likewise.
14559         * gimple-walk.c (walk_gimple_stmt): Likewise.
14560         * gimple.c (gimple_build_omp_grid_body): New function.
14561         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
14562         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
14563         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
14564         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
14565         GF_OMP_TEAMS_GRID_PHONY.
14566         (gimple_statement_omp_single_layout): Updated comments.
14567         (gimple_build_omp_grid_body): New function.
14568         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
14569         (gimple_omp_for_grid_phony): New function.
14570         (gimple_omp_for_set_grid_phony): Likewise.
14571         (gimple_omp_parallel_grid_phony): Likewise.
14572         (gimple_omp_parallel_set_grid_phony): Likewise.
14573         (gimple_omp_teams_grid_phony): Likewise.
14574         (gimple_omp_teams_set_grid_phony): Likewise.
14575         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
14576         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
14577         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
14578         (BUILT_IN_GOMP_TARGET): Updated type.
14579         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
14580         (adjust_for_condition): New function.
14581         (get_omp_for_step_from_incr): Likewise.
14582         (extract_omp_for_data): Moved parts to adjust_for_condition and
14583         get_omp_for_step_from_incr.
14584         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
14585         (fixup_child_record_type): Bail out if receiver_decl is NULL.
14586         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
14587         (scan_omp_parallel): Do not create child functions for phony
14588         constructs.
14589         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
14590         (scan_omp_1_op): Checking assert we are not remapping to
14591         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
14592         (parallel_needs_hsa_kernel_p): New function.
14593         (expand_parallel_call): Register apprpriate parallel child
14594         functions as HSA kernels.
14595         (grid_launch_attributes_trees): New type.
14596         (grid_attr_trees): New variable.
14597         (grid_create_kernel_launch_attr_types): New function.
14598         (grid_insert_store_range_dim): Likewise.
14599         (grid_get_kernel_launch_attributes): Likewise.
14600         (get_target_argument_identifier_1): Likewise.
14601         (get_target_argument_identifier): Likewise.
14602         (get_target_argument_value): Likewise.
14603         (push_target_argument_according_to_value): Likewise.
14604         (get_target_arguments): Likewise.
14605         (expand_omp_target): Call get_target_arguments instead of looking
14606         up for teams and thread limit.
14607         (grid_expand_omp_for_loop): New function.
14608         (grid_arg_decl_map): New type.
14609         (grid_remap_kernel_arg_accesses): New function.
14610         (grid_expand_target_kernel_body): New function.
14611         (expand_omp): Call it.
14612         (lower_omp_for): Do not emit phony constructs.
14613         (lower_omp_taskreg): Do not emit phony constructs but create for them
14614         a temporary variable receiver_decl.
14615         (lower_omp_taskreg): Do not emit phony constructs.
14616         (lower_omp_teams): Likewise.
14617         (lower_omp_grid_body): New function.
14618         (lower_omp_1): Call it.
14619         (grid_reg_assignment_to_local_var_p): New function.
14620         (grid_seq_only_contains_local_assignments): Likewise.
14621         (grid_find_single_omp_among_assignments_1): Likewise.
14622         (grid_find_single_omp_among_assignments): Likewise.
14623         (grid_find_ungridifiable_statement): Likewise.
14624         (grid_target_follows_gridifiable_pattern): Likewise.
14625         (grid_remap_prebody_decls): Likewise.
14626         (grid_copy_leading_local_assignments): Likewise.
14627         (grid_process_kernel_body_copy): Likewise.
14628         (grid_attempt_target_gridification): Likewise.
14629         (grid_gridify_all_targets_stmt): Likewise.
14630         (grid_gridify_all_targets): Likewise.
14631         (execute_lower_omp): Call grid_gridify_all_targets.
14632         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
14633         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
14634         (tree_omp_clause): Added union field dimension.
14635         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
14636         * tree.c (omp_clause_num_ops): Added number of arguments of
14637         OMP_CLAUSE__GRIDDIM_.
14638         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
14639         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
14640         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
14641         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
14642         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
14643         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
14644         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
14645         * tree-pass.h (make_pass_gen_hsail): Declare.
14646         (make_pass_ipa_hsa): Likewise.
14647         * ipa-hsa.c: New file.
14648         * lto-section-in.c (lto_section_name): Add hsa section name.
14649         * lto-streamer.h (lto_section_type): Add hsa section.
14650         * timevar.def (TV_IPA_HSA): New.
14651         * hsa-brig-format.h: New file.
14652         * hsa-brig.c: New file.
14653         * hsa-dump.c: Likewise.
14654         * hsa-gen.c: Likewise.
14655         * hsa.c: Likewise.
14656         * hsa.h: Likewise.
14657         * toplev.c (compile_file): Call hsa_output_brig.
14658         * hsa-regalloc.c: New file.
14660 2016-01-18  Jeff Law  <law@redhat.com>
14662         PR tree-optimization/69320
14663         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
14664         ranged object, do nothing if the RHS constant is not [0..1].
14665         (optimize_stmt): Comparing a boolean ranged object against a
14666         constant outside [0..1] results in a compile-time constant.
14668         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
14669         test.
14671 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
14673         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14674         (Option Summary): Update to reflect new section and moved options.
14675         (C++ Dialect Options): Move -fstats to new section.
14676         (Debugging Options): Move all dump, statistics, and other GCC
14677         developer options to new section.  Rewrite section introduction
14678         and re-order remaining options to put the more basic ones first.
14679         (Optimization Options): Move -fira-verbose and -flto-report* to
14680         new section.
14681         (Developer Options): New section incorporating moved options.
14682         * doc/cppopts.texi (-dM): Update cross-reference.
14684 2016-01-18  Richard Henderson  <rth@redhat.com>
14686         PR target/69176
14687         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
14688         operands to pseudo only if CSE is expected.  Split long immediate
14689         operands only after reload, and for the stack pointer.
14690         (*add<GPI>3_pluslong): Remove.
14691         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
14692         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
14693         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
14694         (*add<GPI>3 peepholes): New.
14695         (*add<GPI>3 splitters): New.
14696         * config/aarch64/constraints.md (Upl): New.
14697         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
14699 2016-01-18  Richard Biener  <rguenther@suse.de>
14701         PR tree-optimization/69297
14702         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
14703         stmt at most once.
14704         (vect_bb_vectorization_profitable_p): Clear visited flag again.
14706 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
14708         PR middle-end/68542
14709         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
14710         of mixind vector and scalar types.
14711         (fold_relational_const): Add handling of vector
14712         comparison with boolean result.
14713         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
14714         comparison of vector operands with boolean result for EQ/NE only.
14715         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
14716         (verify_gimple_cond): Likewise.
14717         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
14718         valid type of VAL.
14720 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
14722         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
14723         !TARGET_OCTEON.
14725 2016-01-18  Richard Biener  <rguenther@suse.de>
14727         PR middle-end/69308
14728         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
14730 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14732         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
14734 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14736         * omp-low.c (set_oacc_fn_attrib): Make extern.
14737         * omp-low.h (set_oacc_fn_attrib): Declare.
14738         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
14739         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
14740         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
14741         Add and handle function parameter oacc_kernels_p.
14742         (find_reduc_addr, get_omp_data_i_param): New function.
14743         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
14744         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
14745         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
14746         Calculate dominance info.  Skip loops that are not in a kernels region
14747         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
14748         (pass_parallelize_loops::execute): Call parallelize_loops with
14749         oacc_kernels_p argument.
14750         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
14751         New member function.
14752         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
14753         * passes.def: Add argument to pass_parallelize_loops instantation.
14755 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14757         * tree-parloops.c (pass_parallelize_loops::execute): Allow
14758         pass_parallelize_loops to be run outside the loop pipeline.
14760 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14762         * tree-scalar-evolution.c (follow_copies_to_constant): New.
14763         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
14765 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14767         PR target/63679
14768         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
14769         using get_ref_base_and_extent.
14770         (equal_mem_array_ref_p): New.
14771         (hashable_expr_equal_p): Add call to previous.
14773 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14775         PR target/63679
14776         * tree-sra.c (disqualified_constants, constant_decl_p): New.
14777         (sra_initialize): Allocate disqualified_constants.
14778         (sra_deinitialize): Free disqualified_constants.
14779         (disqualify_candidate): Update disqualified_constants when appropriate.
14780         (create_access): Scan for constant-pool entries as we go along.
14781         (scalarizable_type_p): Add check against type_contains_placeholder_p.
14782         (maybe_add_sra_candidate): Allow constant-pool entries.
14783         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
14784         (initialize_constant_pool_replacements): New.
14785         (sra_modify_assign): Avoid mangling assignments created by previous,
14786         and don't generate writes into constant pool.
14787         (sra_modify_function_body): Call initialize_constant_pool_replacements.
14789 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
14791         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
14792         andnot instruction.
14793         (scalar_chain::convert_op): Likewise.
14794         * config/i386/i386.md (*andndi3_doubleword): New.
14796 2016-01-18  Richard Biener  <rguenther@suse.de>
14798         PR tree-optimization/69170
14799         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
14800         building a vector from scalar results of a pattern stmt.
14802 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
14804         * haifa-sched.c (autopref_multipass_init): Work around
14805         -Wmaybe-uninitialized warning.
14807 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14809         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
14810         against the constant 0.
14812 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14814         PR tree-optimization/68799
14815         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
14816         look up phi candidates in the statement-candidate map.
14817         (phi_add_costs): Likewise.
14818         (record_phi_increments): Likewise.
14819         (phi_incr_cost): Likewise.
14820         (ncd_with_phi): Likewise.
14821         (all_phi_incrs_profitable): Likewise.
14823 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
14825         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
14826         -Wmaybe-uninitialized warning.
14828 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
14830         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14831         (Option Summary): Update to reflect new section and moved options.
14832         (C++ Dialect Options): Move -fvtable-verify and related options.
14833         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
14834         and profiling-related options.
14835         (Optimization Options): Move profile generation options and
14836         -fstack-protector and related options.
14837         (Instrumentation Options): New section incorporating moved options.
14838         (Code Generation Options): Move -finstrument-functions and
14839         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
14841 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14843         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
14845 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14847         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
14849 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
14851         * hash-table.h (hash_table::empty): Turn into an inline wrapper
14852         that checks whether the table is already empty.  Rename the
14853         original implementation to...
14854         (hash_table::empty_slot): ...this new private function.
14856 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
14858         PR diagnostic/68899
14859         * diagnostic-show-locus.c (layout::print_source_line): Move x
14860         offset of line until after call to
14861         get_line_width_without_trailing_whitespace.
14863 2016-01-15  Jeff Law  <law@redhat.com>
14865         PR tree-optimization/69270
14866         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
14867         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
14868         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
14869         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
14870         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
14871         ssa_name_has_boolean_range and constant_boolean_node.
14873 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
14875         PR rtl-optimization/69030
14876         * lra-spills.c (remove_pseudos): Check nrefs and make the function
14877         returning bool.
14878         (spill_pseudos): Delete debug insn for dead pseudo.
14879         (lra_spill): Initiate spill_hard_reg and slots memory separately.
14881 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
14883         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
14884         New.
14885         (TYPES_UNOPUS): Likewise.
14886         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
14887         builtin type, from UNOP to UNOPUS.
14888         (lbtruncuv4sf): Likewise.
14889         (lbtruncuv2df): Likewise.
14890         (lrounduv2sf): Likewise.
14891         (lrounduv4sf): Likewise.
14892         (lrounduv2df): Likewise.
14893         (lroundusf): Likewise.
14894         (lroundusf): Likewise.
14895         (lceiluv2sf): Likewise.
14896         (lceiluv4sf): Likewise.
14897         (lceiluv2df): Likewise.
14898         (lceilusf): Likewise.
14899         (lceiludf): Likewise.
14900         (lflooruv2sf): Likewise.
14901         (lflooruv4sf): Likewise.
14902         (lflooruv2df): Likewise.
14903         (lfloorusf): Likewise.
14904         (lfloorudf): Likewise.
14905         (lfrintnuv2sf): Likewise.
14906         (lfrintnuv4sf): Likewise.
14907         (lfrintnuv2df): Likewise.
14908         (lfrintnusf): Likewise.
14909         (lfrintnudf): Likewise.
14910         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
14911         conversion.
14912         (vcvtq_u32_f32): Likewise.
14913         (vcvtq_u64_f64): Likewise.
14914         (vcvta_u32_f32): Likewise.
14915         (vcvtaq_u32_f32): Likewise.
14916         (vcvtaq_u64_f64): Likewise.
14917         (vcvtm_u32_f32): Likewise.
14918         (vcvtmq_u32_f32): Likewise.
14919         (vcvtmq_u64_f64): Likewise.
14920         (vcvtn_u32_f32): Likwise.
14921         (vcvtnq_u32_f32): Likewise.
14922         (vcvtnq_u64_f64): Likewise.
14923         (vcvtp_u32_f32): Likewise.
14924         (vcvtpq_u32_f32): Likewise.
14925         (vcvtpq_u64_f64): Likewise.
14926         (vcvtmd_u64_f64): Likewise.
14927         (vcvtms_u32_f32): Likewise.
14928         (vcvtad_u64_f64): Likewise.
14929         (vcvtas_u32_f32): Likewise.
14930         (vcvtnd_u64_f64): Likewise.
14931         (vcvtns_u32_f32): Likewise.
14932         (vcvtpd_u64_f64): Likewise.
14933         (vcvtps_u32_f32): Likewise.
14935 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14937         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
14938         CSEL of zero_extended registers.
14940 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14942         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
14943         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
14945 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14947         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
14948         false when argument string is not found in the attributes table
14949         at all.
14951 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
14953         PR target/68609
14954         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
14955         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
14956         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
14957         precision estimate.
14959 2016-01-15  Richard Biener  <rguenther@suse.de>
14961         PR tree-optimization/66856
14962         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
14963         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
14964         (vect_create_new_slp_node): Increment stmt reference count.
14965         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
14966         an SLP tree before swapping operands.
14967         (vect_build_slp_tree): Likewise.
14968         (destroy_bb_vec_info): Free stmt info after SLP instances.
14969         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
14970         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
14971         (STMT_VINFO_NUM_SLP_USES): New macro.
14973 2016-01-15  Richard Biener  <rguenther@suse.de>
14975         PR debug/69137
14976         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
14977         (add_linkage_name): ... here.
14978         (gen_typedef_die): Use add_linkage_name_raw instead of
14979         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
14980         if necessary.
14982 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
14984         * gimplify.c (oacc_default_clause): Decode reference and pointer
14985         types for both kernels and parallel regions.
14987 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
14989         PR middle-end/69246
14990         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
14992 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
14994         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
14995         (convert_scalars_to_vector): Likewise.
14997 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
14999         * doc/extend.texi (Type Traits): Fix grammar.
15001 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15003         * tree-inline.c (remap_decl): Use existing dclarations if
15004         remapping a type and prevent_decl_creation_for_types.
15005         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15006         decls first.  Do real remapping with
15007         prevent_decl_creation_for_types set.
15008         * tree-inline.h (copy_body_data): New field
15009         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15010         padding.
15012 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15014         * config/s390/s390.opt (mmvcle): More verbose help text.
15016 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15018         * config/s390/s390.opt: Add period to -mzvector option text.
15020 2016-01-15  Richard Biener  <rguenther@suse.de>
15022         PR tree-optimization/68961
15023         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15024         of invariants in stores again.
15026 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15028         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15030 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15032         * config/i386/i386.c (ix86_expand_branch): Don't split
15033         DI mode xor instruction to SI mode.
15035 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15037         PR ipa/68148
15038         * ipa-icf.c (sem_function::merge): Virtual functions may become
15039         reachable even if they address is not taken and there are no
15040         idrect calls.
15042 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15044         * lto-streamer-out.c (subtract_estimated_size): New function.
15045         (get_symbol_initial_value): Use it.
15047 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15049         PR target/65837
15050         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15051         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15052         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15053         use add_builtin_function_ext_scope instead of add_builtin_function.
15054         (neon_set_p, neon_crypto_set_p): Remove.
15055         (arm_init_builtins): Always call arm_init_neon_builtins and
15056         arm_init_crypto_builtins.
15057         (arm_expand_builtin): Check that builtins are allowed for the arch.
15058         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15059         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15060         arm_init_neon_builtins call.
15062 2016-01-15  Richard Biener  <rguenther@suse.de>
15064         PR tree-optimization/69117
15065         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15066         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15067         of the leader conservatively.
15068         (free_scc_vn): Restore original SSA name infos.
15070 2016-01-14  Jeff Law  <law@redhat.com>
15072         PR tree-optimization/69270
15073         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15074         single bit of precision, verify it's also unsigned.
15075         (record_edge_info): Use constant_boolean_node rather than fold_convert
15076         to convert boolean_true/boolean_false to the right type.
15078 2016-01-14  Richard Henderson  <rth@redhat.com>
15080         PR rtl-opt/69014
15081         * loop-doloop.c (record_reg_sets): New.
15082         (doloop_optimize): Reject the transform if the sequence
15083         clobbers registers live at the end of the loop block.
15084         (doloop_optimize_loops): Enable df_live if needed.
15086 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15088         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15089         * config/rs6000/rs6000.c: Likewise.
15090         * config/rs6000/rs6000.h: Likewise.
15091         * config/rs6000/rs6000.md: Likewise.
15092         * doc/extend.texi: Likewsie.
15094 2016-01-14  Jeff Law  <law@redhat.com>
15096         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15097         typo.
15099 2016-01-14  Richard Henderson  <rth@redhat.com>
15101         PR c/69272
15102         PR tree-opt/68964
15103         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15104         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15105         instead of builtin_decl_declared_p to test for declaration.
15107 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15109         * doc/loop.texi (Loop Analysis and Representation): Document
15110         loop_depth function.
15112 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15114         PR tree-optimization/68773
15115         * omp-low.c (expand_omp_target): Don't set force_output.
15116         * varpool.c (varpool_node::get_create): Same.
15117         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15118         offload_funcs with force_output.
15120 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15122         PR debug/69244
15123         * lra-eliminations.c (move_plus_up): Don't change anything if either
15124         the outer or inner subreg mode is not MODE_INT.
15125         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15126         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15128 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15130         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15131         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15132         reduc_uplus_@var{m}): Remove.
15133         * expr.c (expand_expr_real_2): Remove expansion path for
15134         reduc_[us](min|max|plus) optabs.
15135         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15136         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15137         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15138         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15139         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15140         reduc_[us](min|max|plus) optabs.
15142 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15144         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15145         (reduc_plus_scal_v2sf): New.
15146         (reduc_smax_v2sf): Rename to...
15147         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15148         (reduc_smin_v2sf): Rename to...
15149         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15151 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15153         * alias.c (compare_base_symbol_refs): New function.
15154         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15155         it.
15157 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15159         PR middle-end/68146
15160         PR tree-optimization/69155
15161         * tree-complex.c: Include cfganal.h.
15162         (phis_to_revisit): New variable.
15163         (extract_component): Add phiarg_p argument.  Assert that returned
15164         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15165         (update_phi_components): Partly rewrite to use loop over real/imag
15166         components instead of code duplication.  If extract_component returns
15167         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15168         create_tmp_reg into the PHI node instead, and mention the phi triplet
15169         in phis_to_revisit.
15170         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15171         in phis_to_revisit at the end.
15173 2016-01-14  Richard Biener  <rguenther@suse.de>
15175         PR tree-optimization/68060
15176         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15177         outer loop reduction is only used in the inner loop before
15178         detecting a double reduction.
15180 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15182         PR target/68269
15183         * combine.c (expand_field_assignment): Punt if compute_mode is
15184         unsupported scalar mode.
15186 2016-01-14  Richard Biener  <rguenther@suse.de>
15188         PR tree-optimization/66856
15189         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15190         SLP node only if it built successfully.
15191         (vect_analyze_slp_instance): Adjust.
15193 2016-01-14  Jeff Law  <law@redhat.com>
15195         PR tree-optimization/69270
15196         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15197         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15198         to the type of op0.
15200 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15202         PR ipa/66487
15203         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15204         use block_ultimate_origin
15205         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15207 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15209         * doc/invoke.texi (Submodel Options): Rename section to
15210         "Machine-Dependent Options" to better reflect its content.
15211         Rewrite introductory text to remove archaic CPU names.
15212         Update references.
15214 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15216         * doc/invoke.texi (Code Gen Options): Move section up in file,
15217         before target-specific options.  Update menu and option summary
15218         to reflect the new section ordering.
15220 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15222         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15223         (C++ Dialect Options): Add cross-reference to -std option.
15224         * doc/standards.texi (C++ Language): Document C++14 support.
15226 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15228         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15229         for pack/unpack functions for __ibm128.
15230         (PACK_IF): Likewise.
15231         (UNPACK_IF): Likewise.
15233         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15234         support for __ibm128 pack/unpack functions.
15235         (rs6000_invalid_builtin): Likewise.
15236         (rs6000_init_builtins): Likewise.
15237         (rs6000_opt_masks): Likewise.
15239         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15240         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15241         functions
15242         (RS6000_BTM_COMMON): Likewise.
15244         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15245         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15246         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15247         128-bit floating point.  Add support for the double values to be
15248         in Altivec registers for TF/IF packing and unpacking, but restrict
15249         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15250         register support for packing.  Allow pack inputs to be memory
15251         locations.  Don't build generator functions for unpack<mode>_dm
15252         and unpack<mode>_nodm.
15253         (unpack<mode>_dm): Likewise.
15254         (unpack<mode>_nodm): Likewise.
15255         (pack<mode>): Likewise.
15257         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15258         built-in functions to pack/unpack explicit __ibm128 values.
15259         (__builtin_unpack_ibm128): Likewise.
15261         * doc/extend.texi (PowerPC Built-in Functions): Document
15262         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15264 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15266         PR c/66208
15267         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15268         Add new arg loc and pass it down as context.
15269         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15270         to the location to use for the warning.
15271         (check_function_arguments): New arg loc.  All callers changed.  Pass
15272         it to check_function_nonnull.
15273         * c-common.h (check_function_arguments): Adjust declaration.
15275 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15277         PR tree-optimization/69156
15278         * gimple.c (validate_type): Removed.
15279         (gimple_builtin_call_types_compatible_p): Use
15280         useless_type_conversion_p instead of validate_type.
15281         * value-prof.c (gimple_stringop_fixed_value): Fold
15282         icall_size to correct type.
15284 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15286         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15287         effects.
15289 2016-01-13  Richard Henderson  <rth@redhat.com>
15291         PR tree-opt/68964
15292         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15293         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15294         (ix86_builtin_tm_store): Remove.
15295         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15296         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15297         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15298         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15299         * doc/tm.texi: Rebuild.
15301         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15302         (BUILT_IN_TM_MEMCPY_RTWN): New.
15303         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15304         fallback from vector to integer helpers.
15305         (build_tm_load): Handle vector types directly, instead of
15306         via target hook.
15307         (build_tm_store): Likewise.
15308         (expand_assign_tm): Prepare for register types not handled by
15309         the above.  Copy them to memory and use memcpy.
15310         * tree.c (tm_define_builtin): New.
15311         (find_tm_vector_type): New.
15312         (build_tm_vector_builtins): New.
15313         (build_common_builtin_nodes): Call it.
15315 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
15317         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15318         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
15320 2016-01-13  Tom de Vries  <tom@codesourcery.com>
15322         PR tree-optimization/69169
15323         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15324         handled_struct_type param.
15325         (create_variable_info_for, intra_create_variable_infos): Call
15326         create_variable_info_for_1 with extra arg.
15328 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
15330         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15331         and "armv8.1-a+crc" entries.
15333 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
15335         PR target/69228
15336         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15337         Change first operand predicate from register_or_constm1_operand
15338         to register_operand.
15339         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15340         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15341         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15342         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15343         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15344         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15345         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15346         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15347         comparison with constm1_rtx from vec_prefetch_gen part.
15349 2016-01-13  Richard Biener  <rguenther@suse.de>
15351         PR tree-optimization/69013
15352         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15353         Exchange assert for a test.
15355 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15357         PR target/69247
15358         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15360 2016-01-13  Richard Biener  <rguenther@suse.de>
15362         PR tree-optimization/69242
15363         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15364         assert with a check.
15366 2016-01-13  Richard Biener  <rguenther@suse.de>
15368         PR tree-optimization/69186
15369         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15370         Properly guard vect_update_misalignment_for_peel call.
15372 2016-01-12  Jeff Law  <law@redhat.com>
15374         PR tree-optimization/pr67755
15375         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15376         "need_profile_correction".
15377         (thread_block_1): Initialize new field to false by default.  If we
15378         have multiple thread paths through a common joiner to different
15379         final targets, then set new field to true.
15380         (compute_path_counts): Only do count adjustment when it's really
15381         needed.
15383 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15385         * doc/invoke.texi (Spec Files): Move section down in file, past
15386         all command-line option descriptions.
15388 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15390         PR middle-end/54809
15391         * doc/gty.texi: Remove documentation of mark_hook.
15392         * gengtype.c (struct write_types_data): Remove code to support
15393         mark_hook attribute.
15394         (walk_type): Likewise.
15395         (write_func_for_structure): Likewise.
15397 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15399         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15400         Directory Options, and -specs= to Overall Options.
15401         (Overall Options): Adjust similarly.  Reorder to group related
15402         options together.  Make -specs= cross-reference the spec file details.
15403         (Directory Options): Adjust similarly.
15405 2016-01-12  Jeff Law  <law@redhat.com>
15407         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15409 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15411         * gcc.c (spec_undefvar_allowed): New global.
15412         (process_command): Set to true when running for --version or --help,
15413         alone or together.
15414         (getenv_spec_function): When the variable is not defined, use the
15415         variable name as the variable value if we're allowed not to issue
15416         a fatal error.
15418 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15420         PR tree-optimization/68911
15421         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15422         information computed for expression "init + nit * step".
15424 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15426         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15427         about name of GCC executable.  Remove deleted node from menu.
15428         (Directory Options) <-B>: Remove cross-reference to deleted node.
15429         (Target Options): Delete section.
15431 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15433         PR target/69180
15434         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15435         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15437 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15439         PR target/69198
15440         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15441         aligned_mem is properly set for AVX512-VL floating point masked
15442         stores.
15444         PR target/69175
15445         * ifcvt.c (cond_exec_process_if_block): When removing the last
15446         insn from then_bb, remove also any possible barriers that follow it.
15448 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
15450         PR target/68456
15451         PR target/69226
15452         * config/i386/iamcu.h (SIZE_TYPE): New macro.
15453         (PTRDIFF_TYPE): Likewise.
15454         (WCHAR_TYPE): Likewise.
15455         (WCHAR_TYPE_SIZE): Likewise.
15456         (STDINT_LONG32): Likewise.
15458 2016-01-12  Richard Biener  <rguenther@suse.de>
15460         PR tree-optimization/69053
15461         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
15462         convert initial value for cond reductions.
15464 2016-01-12  Richard Biener  <rguenther@suse.de>
15466         PR tree-optimization/69007
15467         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
15468         widen_sum after dot_prod and sad.
15470 2016-01-12  Richard Biener  <rguenther@suse.de>
15472         PR tree-optimization/69168
15473         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
15474         pattern stmt SLP type.
15475         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
15476         end up unused so cope with that case.
15478 2016-01-12  Richard Biener  <rguenther@suse.de>
15480         PR tree-optimization/69157
15481         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
15482         stmts def type only during analyze phase.
15483         (vectorizable_call): Likewise.
15484         (vectorizable_simd_clone_call): Likewise.
15485         (vectorizable_conversion): Likewise.
15486         (vectorizable_assignment): Likewise.
15487         (vectorizable_shift): Likewise.
15488         (vectorizable_operation): Likewise.
15489         (vectorizable_store): Likewise.
15490         (vectorizable_load): Likewise.
15492 2016-01-12  Richard Biener  <rguenther@suse.de>
15494         PR tree-optimization/69174
15495         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
15496         space.
15497         (vectorizable_load): Properly compute the number of loads needed
15498         for permuted strided SLP loads and do not spuriously assign
15499         to SLP_TREE_VEC_STMTS.
15501 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
15503         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
15504         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
15505         (MD_EXEC_PREFIX): Remove.
15506         (MD_STARTFILE_PREFIX) Removee.
15507         (FILE_NAME_ABSOLUTE_P): Remove.
15508         (CPP_SPEC): Do not read macros from sys/version.h.
15509         (LINK_COMMAND_SPEC): Remove.
15510         (LOCAL_INCLUDE_DIR): Remove.
15511         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
15512         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
15513         (POST_LINK_SPEC): Define to invoke stubify after linker
15514         (LIBSTDCXX): Remove define
15515         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
15516         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
15517         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
15518         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
15519         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
15520         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
15521         (i386_djgpp_asm_named_section): Add propotype of new procedure
15523         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
15524         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
15525         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
15526         in config/i386/djgpp.h).
15527         (STANDARD_STARTFILE_PREFIX_2): Define identical to
15528         STANDARD_STARTFILE_PREFIX_1.
15529         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
15530         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
15531         installation errors.
15532         (MAX_OFILE_ALIGNMENT): Define to 128.
15533         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
15535         * config/i386/djgpp.c: New file. Add implementation of
15536         i386_djgpp_asm_named_section.
15538         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
15540         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
15541         Add rule for building djgpp.o.
15543 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15545         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
15546         (rtx_is_swappable_p): Reductions are swappable.
15547         (insn_is_swappable_p): V2DF reductions are swappable.
15549 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
15551         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
15552         reloads for other unsupported memory operands.
15554 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15555             Jim Wilson  <jim.wilson@linaro.org>
15557         PR target/69194
15558         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
15559         copy_to_mode_reg instead of force_reg.
15561 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15563         PR target/69225
15564         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
15565         TARGET_80387 is true.
15567 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
15569         PR target/69071
15570         * lra-eliminations.c (move_plus_up): Only move plus up
15571         if subreg of the constant can be simplified into constant
15572         and use the simplified subreg of the constant instead of
15573         the original constant.
15575         * fold-const.c (fold_convertible_p): Don't return true
15576         for conversion of VECTOR_TYPE to same sized integral type.
15577         (fold_convert_loc): Fix up formatting.  Fold conversion of
15578         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
15579         instead of NOP_EXPR.
15581         PR tree-optimization/69214
15582         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
15583         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
15584         Formatting fix.
15586         PR tree-optimization/69207
15587         * tree-vect-slp.c (vect_get_constant_vectors): For
15588         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
15589         fold_convertible_p to vector_type's element type, and always
15590         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
15592 2016-01-11  Richard Biener  <rguenther@suse.de>
15594         PR tree-optimization/69173
15595         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
15596         fixup the cycle if all stmts are in a pattern.
15598 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
15600         PR middle-end/68999
15601         * alias.c (base_alias_check): Move check for addresses with
15602         alignment ANDs before the call for compare_base_decls.
15603         (memrefs_conflict_p): Return -1 for different decls
15604         that went through alignment adjustments.
15606 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15608         PR rtl-optimization/68796
15609         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
15610         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
15611         and QImode comparisons against zero with CC_NZmode.
15612         * config/aarch64/iterators.md (short_mask): New mode_attr.
15614 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15616         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
15617         (<avx512>_store<mode>_mask): Likewise.
15619 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
15620             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15622         PR rtl-optimization/68841
15623         * ifcvt.c (struct noce_if_info): Add orig_x field.
15624         (bbs_ok_for_cmove_arith): Add to_rename parameter.
15625         Don't record conflicts on to_rename if it's present.
15626         Allow memory destinations in sets.
15627         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
15628         blocks, passing orig_x to the checks.
15629         (noce_process_if_block): Set if_info->orig_x appropriately.
15631 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15633         PR tree-optimization/69069
15634         * tree-parloops.c (create_parallel_loop): Add missing phi args.
15636 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
15638         PR rtl-optimization/68920
15639         * config/i386/i386.c (ix86_option_override_internal): Restrict number
15640         of conditional moves for  RTL if-conversion to 1 for
15641         TARGET_ONE_IF_CONV_INSN.
15642         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
15643         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
15644         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
15645         parameter to restirct number of conditional moves for
15646         RTL if-conversion.
15647         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
15648         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
15649         conditionl moves.
15651 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
15653         PR bootstrap/69123
15654         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
15655         onepart vars.  Fix typo in comment.  Fix reversed condition in
15656         unshare test.
15657         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
15659         PR bootstrap/69123
15660         * var-tracking.c (dump_onepart_variable_differences): New.
15661         (dataflow_set_different): If a detailed dump is requested,
15662         delay early returns and dump differences between onepart
15663         variables present before and after, and added variables.
15665 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
15667         PR target/69010
15668         * expr.c (expand_expr_real_1): For boolean vector constants
15669         with a scalar mode use const_scalar_mask_from_tree.
15670         (const_scalar_mask_from_tree): New.
15671         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
15672         assigned to a mask type to handle constants.
15674 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15676         PR ipa/69044
15677         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
15678         useless parameters if we cannot change function signature.
15680 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15682         PR ipa/66616
15683         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
15684         flag.
15686 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15688         PR tree-optimization/69109
15689         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
15690         latch with phi.
15692 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15694         PR tree-optimization/69108
15695         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
15696         res is not used in a phi.
15698 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
15700         PR 67425
15701         * common.opt (frandom-seed): Fix parameter name.
15702         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
15704 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15706         PR tree-optimization/69058
15707         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
15708         not supported.
15710 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
15712         * config/arc/arc.opt (mdiv-rem): Add period to the end.
15713         (mcode-density): Likewise.
15715 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15717         PR tree-optimization/69062
15718         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
15719         (parallelize_loops): Don't paralelize loop that has phi with address
15720         arg.
15722 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15724         PR tree-optimization/69039
15725         * tree-parloops.c (try_create_reduction_list): Only allow single exit
15726         phi for reduction.
15728 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
15730         PR middle-end/68743
15731         * match.pd: Require target has function_c99_misc before doing
15732         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
15734 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
15736         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
15737         use GMPINC.
15738         * configure: Regenerate.
15740 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
15742         PR middle-end/50865
15743         PR tree-optimization/69097
15744         * fold-const.h (expr_not_equal_to): New prototype.
15745         * fold-const.c: Include stringpool.h and tree-ssanames.h.
15746         (expr_not_equal_to): New function.
15747         * match.pd (X % -Y is the same as X % Y): Don't optimize
15748         unless X is known not to be equal to minimum or Y is known
15749         not to be equal to -1.
15750         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
15751         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
15752         (simplify_stmt_using_ranges): Adjust caller.
15753         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
15754         substitute_and_fold.
15756 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
15758         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
15759         w/o DECL_NAME.
15761 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15763         PR tree-optimization/69167
15764         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
15765         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
15766         ops[0] comparison.
15767         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
15769 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15770             Richard Biener  <rguenther@suse.de>
15772         PR tree-optimization/68707
15773         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
15774         instances that can be handled via vect_load_lanes.
15776 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
15778         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
15779         if we can't determine address equivalence.
15780         * alias.c (compare_base_decl): Update for changed return value of
15781         symtab_node::equal_address_to.
15783 2016-01-08  Jason Merrill  <jason@redhat.com>
15785         PR c++/68983
15786         PR c++/67557
15787         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
15788         * expr.c (store_field): Not here.
15789         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
15790         call with TREE_ADDRESSABLE type.
15791         * tree-cfg.c (verify_gimple_call): Adjust.
15793 2016-01-08  Olivier Hainque  <hainque@adacore.com>
15795         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
15796         libc_internal.
15798 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15800         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
15801         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
15802         (reduc_smin_v2sf): Rename to...
15803         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
15804         (reduc_splus_v2sf): Rename to...
15805         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
15807 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15809         PR tree-optimization/69162
15810         * gimplify.c (gimplify_va_arg_expr): Encode original type of
15811         valist argument in another argument.
15812         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
15813         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
15814         to determine the va_list type, build a MEM_REF instead of
15815         build_fold_indirect_ref.
15817         PR tree-optimization/69172
15818         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
15819         gimple_build.
15821 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15823         PR tree-optimization/67781
15824         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
15825         and cmpnop in two steps: first the ones not accessed in original
15826         gimple expression in a endian independent way and then the ones not
15827         accessed in the final result in an endian-specific way.
15829 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15831         PR tree-optimization/69083
15832         * tree-vect-slp.c (vect_get_constant_vectors): For
15833         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
15834         element type.  If op is fold_convertible_p to vector_type's element
15835         type, use NOP_EXPR instead of VCE.
15837 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
15839         PR rtl-optimization/67778
15840         PR rtl-optimization/68634
15841         PR rtl-optimization/68909
15842         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
15843         block from the stack until done with it.  Remove a superfluous
15844         bitmap set.  Remove a superfluous bitmap test.
15846 2016-01-07  Martin Sebor  <msebor@redhat.com>
15848         PR c/68966
15849         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
15850         constraint on the type of arguments.
15852 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
15854         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
15855         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
15856         unaligned_access on the gcc_options set.
15857         * config/arm/arm.c (arm_option_override_internal): Use
15858         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
15860 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15862         PR target/69140
15863         * config/i386/i386.c (ix86_frame_pointer_required): Enable
15864         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
15866 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15868         Revert
15869         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
15871         PR target/69140
15872         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15873         depending on frame_pointer_needed before remaining integer and SSE
15874         registers are saved.
15876 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
15878         PR 1078
15879         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
15881 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
15883         PR target/69171
15884         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
15885         Use the "xBm" constraint.
15886         (float<sseintvecmodelower><mode>2<mask_name><round_name):
15887         Likewise.
15888         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
15889         (sse_cvtsi2ssq<round_name>): Likewise.
15890         (sse_cvtss2si<round_name>): Likewise.
15891         (sse_cvtss2siq<round_name>): Likewise.
15892         (sse2_cvtsi2sdq<round_name>): Likewise.
15893         (sse2_cvtsd2si<round_name>): Likewise.
15894         (sse2_cvtsd2siq<round_name>): Likewise.
15895         * config/i386/subst.md (round_nimm_scalar_predicate): New
15896         predicate.
15898 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
15900         PR middle-end/67639
15901         * varasm.c (make_decl_rtl): Mark invalid register vars as
15902         DECL_EXTERNAL.
15904         PR rtl-optimization/66206
15905         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
15906         All callers changed.
15908 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
15910         PR tree-optimization/69141
15911         * tree-ssa-pre.c: Include langhooks.h.
15912         (eliminate_dom_walker::before_dom_children): Use
15913         lang_hooks.decl_printable_name instead of
15914         cgraph_node::get ()->name ().
15916         PR middle-end/68960
15917         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
15918         it and DECL_ALIGN too.
15920 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
15922         * config/mips/mips-ftypes.def: Sort to lexicographical order.
15924 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
15926         PR target/69140
15927         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15928         depending on frame_pointer_needed before remaining integer and SSE
15929         registers are saved.
15931 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15933         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
15934         mode iterator with VSX_M2.
15935         (*p9_vecstore_<mode>): Likewise.
15936         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
15937         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
15938         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
15939         (define_split for VSX_LE128 stores): Likewise.
15940         (define_peephole2 for TImode LE swaps): Likewise.
15941         (define_split for VSX_LE128 post-reload stores): Likewise.
15943 2016-01-06  Marek Polacek  <polacek@redhat.com>
15945         PR sanitizer/69099
15946         * convert.c (convert_to_integer_1): Adjust call to
15947         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
15948         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
15949         EXPR instead of ARG.
15950         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
15952 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15954         PR 1078
15955         * doc/extend.texi (RL78 Variable Attributes): New section.
15957 2016-01-05  Marek Polacek  <polacek@redhat.com>
15959         PR c/69104
15960         * builtins.c (get_memmodel): Use expansion point location rather than
15961         the input location.  Call warning_at rather than warning.
15962         (expand_builtin_atomic_compare_exchange): Likewise.
15963         (expand_builtin_atomic_load): Likewise.
15964         (expand_builtin_atomic_store): Likewise.
15965         (expand_builtin_atomic_clear): Likewise.
15967 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
15969         PR target/68991
15970         * config/i386/i386.c (ix86_expand_vector_logical_operator):
15971         Replace nonimmediate_operand with vector_operand.
15972         * config/i386/predicates.md (vector_operand): New predicate.
15973         (general_vector_operand): Replace nonimmediate_operand with
15974         vector_operand.
15975         * config/i386/sse.md: Replace nonimmediate_operand with
15976         vector_operand and m constraint with Bm constraint on SSE
15977         patterns with 16-byte memory operand.
15978         * config/i386/subst.md (round_nimm_predicate): Replace
15979         nonimmediate_operand with vector_operand.
15980         (round_saeonly_nimm_predicate): Likewise.
15981         (round_saeonly_nimm_scalar_predicate): New.
15983 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
15985         PR target/68991
15986         * config/i386/constraints.md (Bm): New constraint.
15987         * config/i386/predicates.md (vector_memory_operand): New
15988         predicate.
15989         * config/i386/sse.md: Replace xm with xBm in plusminus and
15990         any_logic patterns.
15992 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15994         PR 1078
15995         * doc/extend.texi (V850 Function Attributes): New section.
15996         (V850 Variable Attributes): New section.
15998 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16000         PR 1078
16001         * doc/extend.texi (MicroBlaze Function Attributes): Document
16002         interrupt_handler and fast_interrupt attributes.
16004 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16006         PR other/60465
16007         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16008         for local symbolic operands.
16009         * config/ia64/predicates.md (local_symbolic_operand64): New
16010         predicate.
16012 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16014         PR rtl-optimization/68651
16015         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16016         x << 1.
16018 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16020         * alias.c (compare_base_decls): Use symtab_node::get.
16022 2016-01-05  Nick Clifton  <nickc@redhat.com>
16024         PR target/68770
16025         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16026         secondary_reload_info structure.
16028         PR target/66655
16029         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16030         decls if weak support is available.
16032 2016-01-04  Martin Sebor  <msebor@redhat.com>
16034         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16036 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16038         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16039         OPTION_MASK_P9_DFORM.
16041         * config/rs6000/constraints.md (wo constraint): New constraint for
16042         ISA 3.0 (power9).
16044         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16045         for wo constraint.
16046         (rs6000_init_hard_regno_mode_ok): Likewise.
16048         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16049         wo constraint.
16051         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16052         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16053         instruction.  Add support for fusing xxlor with xxperm.
16054         (altivec_vperm_<mode>_internal): Likewise.
16055         (altivec_vperm_v8hiv16qi): Likewise.
16056         (altivec_vperm_<mode>v16q): Likewise.
16057         (altivec_vperm_<mode>_uns): Likewise.
16058         (vperm_v8hiv4si): Likewise.
16059         (vperm_v16qiv8hi): Likewise.
16061         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16063 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16065         Update copyright years.
16067         * gcc.c (process_command): Update copyright notice dates.
16068         * gcov-dump.c (print_version): Ditto.
16069         * gcov.c (print_version): Ditto.
16070         * gcov-tool.c (print_version): Ditto.
16071         * gengtype.c (create_file): Ditto.
16072         * doc/cpp.texi: Bump @copying's copyright year.
16073         * doc/cppinternals.texi: Ditto.
16074         * doc/gcc.texi: Ditto.
16075         * doc/gccint.texi: Ditto.
16076         * doc/gcov.texi: Ditto.
16077         * doc/install.texi: Ditto.
16078         * doc/invoke.texi: Ditto.
16080 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16082         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16083         modes larger than TImode as TImode if NEON is not enabled.
16085 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16087         PR target/69100
16088         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16089         mode for %f0-%f31 only if TARGET_FPU.
16091 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16093         PR target/69072
16094         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16095         to compute the PACKED_P predicate.
16096         (function_arg_record_value): Minor tweaks.
16098 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16100         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16101         option for arm*-*-* targets.
16103 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16105         * doc/extend.texi (Common Function Attributes): Move docs for
16106         MSP430-specific attributes to....
16107         (MSP430 Function Attributes): ...here.  Delete the redundant
16108         entries and copy-edit the remaining text.
16109         (MSP430 Variable Attributes): Use uniform format for index
16110         entries and add a cross-reference to the corresponding function
16111         attribute docs.
16113 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16115         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16116         -finite-math typo.
16117         (x86 Options): Likewise.
16119 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16121         PR 1078
16123         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16124         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16125         to corresponding attribute.
16127 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16129         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16130         to correct alphabetization of table.  Copy-edit and correct
16131         markup.
16132         <stack_protect>: Likewise.
16133         <target_clones>: Likewise.
16134         <simd>: Likewise.
16135         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16136         Correct punctuation.
16137         (Code Gen Options) <-fno-plt>: Copy-edit.
16139 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16141         PR target/68917
16142         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16143         SI values.  Explicitly convert SI to DI and vice-versa.
16145 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16147         PR tree-optimization/69070
16148         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16149         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16151         PR sanitizer/69055
16152         * ubsan.c (ubsan_instrument_float_cast): Call
16153         initialize_sanitizer_builtins.
16155         PR target/69015
16156         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
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