Daily bump.
[official-gcc.git] / gcc / ChangeLog-2016
blob33e88e0b3a9629002479c1e5de53380ccbe920f4
1 2016-12-30  Sandra Loosemore  <sandra@codesourcery.com>
3         * doc/cppopts.texi: Reorder table entries to put the most
4         commonly-used options first and debug options last.
6 2016-12-30  Uros Bizjak  <ubizjak@gmail.com>
8         * config/i386/i386.md (*testqi_ext_3): Merge insn pattern and
9         corresponding splitter to define_insn_and_split.  Use wi::shifted_mask
10         helper function to calculate mask.
12 2016-12-30  Uros Bizjak  <ubizjak@gmail.com>
14         * config/i386/predicates.md (ext_register_operand): Do not reject
15         registers without upper parts here.
16         * config/i386/i386.md (extv<mode>): Copy registers without
17         upper parts in operand 1 to a pseudo.
18         (extzv<mode>): Ditto.
19         (insv<mode>): Ditto.
21 2016-12-30  Gerald Pfeifer  <gerald@pfeifer.com>
23         * doc/standards.texi (Standards): Remove broken reference to
24         objc.toodarkpark.net and avoid list with now just one item.
26 2016-12-29  Uros Bizjak  <ubizjak@gmail.com>
28         PR target/78904
29         * config/i386/i386.md (*extvqi): Remove insn pattern.
30         (divmodqi4): Update expander to generate QImode zero-extract from AH.
32 2016-12-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
34         * config/rs6000/rs6000.c (altivec_expand_builtin): Fix typos in
35         error messages.
37 2016-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
39         * doc/extend.texi (Cilk Plus Builtins): cilkplus.org now uses
40         https by default.
41         * doc/passes.texi (Cilk Plus Transformation): Ditto.
42         * doc/generic.texi (Statements for C++): Ditto, and use @uref.
44 2016-12-28  Uros Bizjak  <ubizjak@gmail.com>
46         PR target/78904
47         * config/i386/constraints.md (Bn): New special memory constraint.
48         * config/i386/predicates.md (norex_memory_operand): New predicate.
49         * config/i386/i386.md (*extzvqi_mem_rex64): New insn pattern and
50         corresponding peephole2 pattern.
52 2016-12-27  Sandra Loosemore  <sandra@codesourcery.com>
54         * doc/cppdiropts.texi, doc/cppwarnopts.texi:  New files, split from...
55         * doc/cppopts.texi: .... here.
56         * doc/cpp.texi (Invocation): Adjust includes.
57         * doc/invoke.texi (Option Summary): Add missing preprocesor-related
58         options.  Adjust sorting and formatting.
59         (Warning Options): Include cppwarnopts.texi.
60         (Preprocessor Options): Add pointers and list the specific
61         preprocessor options from cppopts.texi first instead of last.
62         (Directory Options): Move/merge documentation of -I, -iquote, and
63         -I- to cppdiropts.texi.  Include that file here.
65 2016-12-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
67         * config/rs6000/predicates.md (const_0_to_12_operand): Rename
68         predicate and change test from 0..11 to 0..12 to match the
69         semantics of the word extract/insert instructions.  Change all
70         callers.
71         (const_0_to_11_operand): Likewise.
72         * config/rs6000/rs6000.c (altivec_expand_builtin): Likewise.
73         * config/rs6000/vsx.md (vextract4b): Likewise.
74         (vextract4b_internal): Likewise.
75         (vinsert4b): Likewise.
76         (vinsert4b_internal): Likewise.
77         (vinsert4b_di): Likewise.
78         (vinsert4b_di_internal): Likewise.
79         * config/rs6000/rs6000.md (zero_extendsi<mode>2): Fix offset used
80         in xxextractuw to zero extend the word in the vector registers.
81         (lfiwzx): Likewise.
83 2016-12-27  Uros Bizjak  <ubizjak@gmail.com>
85         * config/i386/i386.c (ix86_secondary_reload): Require QImode
86         intermediate for QImode mask register spill only for !TARGET_AVX512DQ.
87         Always use true_regnum to determine operand regno.
89 2016-12-27  Sandra Loosemore  <sandra@codesourcery.com>
91         * doc/cppopts.texi: Delete redundant documentation for -x.  Move
92         -fno-show-column documentation to...
93         * doc/invoke.texi (Diagnostic Message Formatting Options):  ...here.
94         Update the option summary.
96 2016-12-27  Uros Bizjak  <ubizjak@gmail.com>
98         * config/i386/i386.md (VI_512): Remove.
99         (vcond<V_512:mode><VI_AVX512BW:mode>): Use VI_AVX512BW
100         mode iterator instead of VI_512.
101         (vcondu<V_512:mode><VI_AVX512BW:mode>): Ditto.
103 2016-12-27  Jakub Jelinek  <jakub@redhat.com>
105         PR translation/78922
106         * config/i386/stringop.opt: Remove.
108 2016-12-27  Uros Bizjak  <ubizjak@gmail.com>
110         PR target/78904
111         * config/i386/constraints.md (Bc): New special memory constraint.
112         * config/i386/i386.md (*cmpqi_ext_1, *extvqi, *extzvqi): Use Bc
113         constraint with nonimmediate_operand to allow constant memory operands.
114         (*cmpqi_ext_3, insv<mode>_1, addqi_ext_1, *testqi_ext_1, andqi_ext_1)
115         (*<any_or:code>qi_ext_1, *xorqi_ext_1_cc): Use Bc constraint
116         with general_operand to allow constant memory operands.
118 2016-12-27  Alexander Ivchenko  <alexander.ivchenko@intel.com>
120         * c-family/c.opt (flag_chkp_flexible_struct_trailing_arrays):
121         Add new option.
122         (fchkp-narrow-to-innermost-array): Fix typo.
123         * doc/cpp.texi (flag_chkp_flexible_struct_trailing_arrays): Ditto.
124         * tree-chkp.c (chkp_may_narrow_to_field ): Forbid
125         narrowing when flag_chkp_flexible_struct_trailing_arrays is used
126         and the field is the last array field in the structure.
128 2016-12-27  Uros Bizjak  <ubizjak@gmail.com>
130         * config/i386/i386.md (andqi_ext_1): Use general_operand
131         predicate for operand 2.
133 2016-12-27  Uros Bizjak  <ubizjak@gmail.com>
135         PR target/78904
136         * config/i386/i386.md (*cmpqi_ext_1, *extvqi, *extzvqi): Use
137         nonimmediate_operand instead of nonimmediate_x64nomem_operand.
138         (*cmpqi_ext_3, insv<mode>_1, addqi_ext_1, *testqi_ext_1, andqi_ext_1)
139         (*<any_or:code>qi_ext_1, *xorqi_ext_1_cc): Use general_operand
140         instead of general_x64nomem_operand.
141         * config/i386/predicates.md (nonimmediate_x64nomem_operand): Remove.
142         (general_x64nomem_operand): Ditto.
144 2016-12-26  Uros Bizjak  <ubizjak@gmail.com>
146         PR target/78904
147         * config/i386/i386.md (addqi_ext_1): Canonicalize insn pattern w.r.t.
148         zero_extract RTXes.
149         (*addqi_ext_2): Ditto.
150         (testqi_ext_ccno_0): Canonicalize expander w.r.t. zero_extract RTXes.
151         (testqi_ext_1_ccno): Rename from testqi_ext_ccno_0.
152         (*testqi_ext_0): Merge with *testqi_ext_1.
153         (*testqi_ext_1): Canonicalize insn pattern w.r.t. zero_extract RTXes.
154         Update corresponding splitter.
155         (*testqi_ext_2): Canonicalize insn pattern w.r.t. zero_extract RTXes.
156         (*andqi_ext_0): Merge with *andqi_ext_1.
157         (andqi_ext_1): Canonicalize insn pattern w.r.t. zero_extract RTXes.
158         Rename from *andqi_ext_1.  Update corresponding splitter and
159         peephole2 patterns.
160         (*andqi_ext_1_cc): Rename from *andqi_ext_0_cc.
161         (*andqi_ext_2): Canonicalize insn pattern w.r.t. zero_extract RTXes.
162         (*<any_or:code>qi_ext_0): Merge with *andqi_ext_1.
163         (*<any_or:code>qi_ext_1): Canonicalize insn pattern w.r.t.
164         zero_extract RTXes.  Update corresponding splitter.
165         (*<any_or:code>qi_ext_2): Canonicalize insn pattern w.r.t.
166         zero_extract RTXes.
167         (xorqi_cc_ext_1): Canonicalize expander w.r.t. zero_extract RTXes.
168         (xorqi_ext_1_cc): Rename from xorqi_cc_ext_1.
169         (*xorqi_cc_ext_1): Canonicalize insn pattern w.r.t. zero_extract RTXes.
170         Update corresponding splitter.
171         (*xorqi_ext_1_cc): Rename from *xorqi_cc_ext_1.
172         (isinfxf2): Update calls to renamed expanders.
173         (isinf<mode>2): Ditto.
174         * config/i386/i386.c (ix86_expand_fp_compare): Ditto.
175         (ix86_emit_fp_unordered_jump): Ditto.
176         (ix86_emit_i387_round): Ditto.
178 2016-12-26  Eric Botcazou  <ebotcazou@adacore.com>
180         * doc/invoke.texi (SPARC options): Add missing documentation for -mlra.
182         * doc/cpp.texi (Invocation): Remove space in command.
184 2016-12-25  Sandra Loosemore  <sandra@codesourcery.com>
186         * doc/cpp.texi (Invocation): Revise to indicate that GCC driver
187         options are only documented in the GCC manual.
188         * doc/cppopts.texi: Delete documentation of GCC driver options
189         -o, -Wall, -Wtraditional, -Werror, -Wsystem-headers, -w,
190         -pedantic, -pedantic-errors, -std=, -ansi, --help, --target-help,
191         -v, -version.  Update -Wcomment, -Wtrigraphs, -Wundef,
192         -Wexpansion-to-defined, -Wno-endif-labels, -traditional,
193         -traditional-cpp, -trigraphs to merge text previously in GCC manual.
194         * doc/invoke.texi (Option Summary): Move -trigraphs, -traditional,
195         and -traditional-cpp from C dialect options to preprocessor options.
196         (C Dialect Options): Likewise.
197         (Warning Options): Delete documentation of -Wcomment, -Wtrigraphs,
198         -Wexpansion-to-defined, -Wundef, and -Wno-endif-labels.
200 2016-12-24  Richard Sandiford  <richard.sandiford@arm.com>
202         * tree-core.h (tree_base): Document the meaning of public_flag
203         for SSA names.
204         * tree.h (SSA_NAME_IS_VIRTUAL_OPERAND): New macro.
205         (SET_SSA_NAME_VAR_OR_IDENTIFIER): Record whether the variable
206         is a virtual operand.
207         * gimple-expr.h (virtual_operand_p): Use SSA_NAME_IS_VIRTUAL_OPERAND.
209 2016-12-22  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
211         * tree-pretty-print.c (dump_generic_node): Change dump format for
212         REALPART_EXPR and IMAGPART_EXPR with TDF_GIMPLE.
214 2016-12-22  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
216         * varasm.c (build_constant_desc): Use the alignment of the var
217         decl instead of the original expression.
219 2016-12-22  Dominik Vogt  <vogt@linux.vnet.ibm.com>
221         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
222         __S390_ARCH_LEVEL__.
224 2016-12-22  Martin Liska  <mliska@suse.cz>
226         PR tree-optimization/78886
227         * tree-ssa-strlen.c (handle_builtin_malloc): Return when LHS
228         is equal to NULL.
230 2016-12-22  Jakub Jelinek  <jakub@redhat.com>
232         PR bootstrap/78817
233         * vec.h (vec<T, va_heap, vl_ptr>::safe_grow_cleared): Revert
234         2016-12-15 change.
236 2016-12-21  Vladimir Makarov  <vmakarov@redhat.com>
238         PR rtl-optimization/78580
239         * ira-costs.c (find_costs_and_classes): Make regno_aclass
240         translated into an allocno class.
242 2016-12-21  Jakub Jelinek  <jakub@redhat.com>
244         PR bootstrap/78817
245         * tree-pass.h (make_pass_post_ipa_warn): Declare.
246         * builtins.c (validate_arglist): Adjust get_nonnull_args call.
247         Check for NULL pointer argument to nonnull arg here.
248         (validate_arg): Revert 2016-12-14 changes.
249         * calls.h (get_nonnull_args): Remove declaration.
250         * tree-ssa-ccp.c: Include diagnostic-core.h.
251         (pass_data_post_ipa_warn): New variable.
252         (pass_post_ipa_warn): New class.
253         (pass_post_ipa_warn::execute): New method.
254         (make_pass_post_ipa_warn): New function.
255         * tree.h (get_nonnull_args): Declare.
256         * tree.c (get_nonnull_args): New function.
257         * calls.c (maybe_warn_null_arg): Removed.
258         (maybe_warn_null_arg): Removed.
259         (initialize_argument_information): Revert 2016-12-14 changes.
260         * passes.def: Add pass_post_ipa_warn after first ccp after IPA.
262 2016-12-21  Pat Haugen  <pthaugen@us.ibm.com>
264         PR rtl-optimization/11488
265         * common/config/rs6000/rs6000-common.c
266         (rs6000_option_optimization_table): Enable -fsched-pressure.
267         * config/rs6000/rs6000.c (TARGET_COMPUTE_PRESSURE_CLASSES): Define
268         target hook.
269         (rs6000_option_override_internal): Set default -fsched-pressure
270         algorithm.
271         (rs6000_compute_pressure_classes): Implement target hook.
273 2016-12-21  Bill Seurer  <seurer@linux.vnet.ibm.com>
275         PR sanitizer/65479
276         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
277         -fasynchronous-unwind-tables option when -fsanitize=address is
278         specified.
280 2016-12-21  Bernd Schmidt  <bschmidt@redhat.com>
282         PR target/71321
283         * config/i386/i386.md (lea<mode>_general_2b, lea<mode>_general_3b): New
284         patterns.
285         * config/i386/predicates.md (const123_operand): New.
287 2016-12-21  Jakub Jelinek  <jakub@redhat.com>
288             Martin Liska  <mliska@suse.cz>
290         PR driver/78863
291         * gcc.c (driver::build_option_suggestions): Do not add
292         -fsanitize=all as a suggestion candidate.
294 2016-12-21  Alexander Monakov  <amonakov@ispras.ru>
296         PR target/78831
297         * config/nvptx/nvptx.c (init_softstack_frame): Remove assert.  Compute
298         crtl->is_leaf only if unset.  Adjust comment.
300 2016-12-21  Andrew Pinski  <apinski@cavium.com>
302         * match.pd (max:c @0 (plus@2 @0 INTEGER_CST@1)): New Pattern.
303         (min:c @0 (plus@2 @0 INTEGER_CST@1)) : New Pattern.
305 2016-12-20  James Greenhalgh  <james.greenhalghj@arm.com>
307         * common.opt (excess_precision): Tag as SetByCombined.
308         * opts.c (set_fast_math_flags): Also set
309         flag_excess_precision_cmdline.
310         (fast_math_flags_set_p): Also check flag_excess_precision_cmdline.
311         * doc/invoke.texi (-fexcess-precision): Drop text saying the
312         option has no effect under -ffast-math, make it clear that
313         -ffast-math will cause -fexcess-precision=fast by default even for
314         standards compliant modes.
315         (-ffast-math): Document that this sets -fexcess-precision=fast.
317 2016-12-20  Richard Biener  <rguenther@suse.de>
319         * passes.c (execute_one_pass): Handle going out of SSA w/o
320         hitting pass_startwith.  Handle skipping property providers.
322 2016-12-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
324         PR target/78694
325         * config/arm/arm.c (dump_minipool): Copy mp->value before emitting it
326         in the minipool to avoid invalid RTL sharing.
328 2016-12-19  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
330         * config/rs6000/rs6000-protos.h (expand_strn_compare): Declare.
331         * config/rs6000/rs6000.md (UNSPEC_CMPB): New unspec.
332         (cmpb<mode>3): pattern for generating cmpb.
333         (cmpstrnsi): pattern to expand strncmp ().
334         * config/rs6000/rs6000.opt (mstring-compare-inline-limit): Add a new
335         target option for controlling how much code inline expansion of
336         strncmp() will be allowed to generate.
337         * config/rs6000/rs6000.c (expand_strncmp_align_check): generate code
338         for runtime page crossing check of strncmp () args.
339         (expand_strn_compare): Function to do builtin expansion of strncmp ().
341 2016-12-19  David Malcolm  <dmalcolm@redhat.com>
343         * print-rtl-function.c (print_rtx_function): Update
344         example in comment to reflect current format.
346 2016-12-19  Uros Bizjak  <ubizjak@gmail.com>
348         * config/i386/i386.md (*popcounthi2_1): New insn_and_split pattern.
350 2016-12-19  Sandra Loosemore  <sandra@codesourcery.com>
352         * doc/cpp.texi: Clean up anachronistic C99 references and remove
353         discussion of very old GCC versions.
354         (Differences from previous versions): Delete entire section.
356 2016-12-19  Will Schmidt  <will_schmidt@vnet.ibm.com>
358         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
359         early expansion of vector multiply and subtract builtins.
361 2016-12-19  David Malcolm  <dmalcolm@redhat.com>
363         * print-rtl.c (rtx_writer::print_rtx_operand_code_r): For
364         non-virtual pseudos in compact mode, wrap the regno in '<' and '>'
365         rather than using a '%' prefix.
366         * rtl-tests.c (selftest::test_dumping_regs): Update for above change.
368 2016-12-19  Dominik Vogt  <vogt@linux.vnet.ibm.com>
370         PR target/78748
371         * config/s390/s390.md ("*andc_split_<mode>"): Allow memory destination
372         only if it coincides with operand 2.
374 2016-12-19  Dominik Vogt  <vogt@linux.vnet.ibm.com>
376         * combine.c (change_zero_ext): Skip generation of redundant AND.
378 2016-12-19  Krister Walfridsson  <krister.walfridsson@gmail.com>
380         * config/netbsd.h (LINK_EH_SPEC): Define.
382 2016-12-18  Eric Botcazou  <ebotcazou@adacore.com>
384         * lra-constraints.c (process_address): Add forward declaration.
385         (simplify_operand_subreg): In the MEM case, if the adjusted memory
386         reference is not sufficient aligned and the address was invalid,
387         reload the address before reloading the original memory reference.
388         Fix long lines and add a final return for the sake of clarity.
390 2016-12-17  Jakub Jelinek  <jakub@redhat.com>
392         PR sanitizer/78832
393         * sanopt.c (sanitize_asan_mark_unpoison): Remove next variable, use
394         continue if gsi_next should be skipped.
395         (sanitize_asan_mark_poison): Remove prev variable, use continue if
396         gsi_prev should be skipped.  When removing ASAN_MARK, do gsi_prev
397         first and gsi_remove on a previously made copy of the iterator.
399 2016-12-17  Andrew Senkevich  <andrew.senkevich@intel.com>
401         * config/i386/avx512bwintrin.h: Add new k-mask intrinsics.
402         * config/i386/avx512dqintrin.h: Ditto.
403         * config/i386/avx512fintrin.h: Ditto.
404         * config/i386/i386-builtin.def (__builtin_ia32_kaddqi,
405         __builtin_ia32_kaddhi, __builtin_ia32_kaddsi,
406         __builtin_ia32_kadddi): New.
407         * config/i386/sse.md (kadd<mode>): New.
409 2016-12-17  Uros Bizjak  <ubizjak@gmail.com>
411         * config/i386/i386.md (*tzcnt<mode>_1): Merge *tzcnt<mode>_1_falsedep_1
412         and *tzcnt<mode>_1 to define_insn_and_split pattern.  Adjust split
413         condition to split after epilogue_completed.
414         (ctz<mode>2): Remove expander.
415         (ctz<mode>2): Merge *ctz<mode>2_falsedep_1 and *ctz<mode>2 to
416         define_insn_and_split pattern.  Adjust split condition to split
417         after epilogue_completed.
418         (clz<mode>2_lznct): Remove expander.
419         (clz<mode>2_lzcnt): Merge *clz<mode>2_lzcnt_falsedep_1 and
420         *clz<mode>2 to define_insn_and_split pattern.  Adjust split
421         condition to split after epilogue_completed.
422         (<lt_zcnt>_<mode>): Remove expander.
423         (<lt_zcnt>_<mode>): Merge *<lt_zcnt>_<mode>_falsedep_1 and
424         *<lt_zcnt>_<mode> to define_insn_and_split pattern.  Adjust split
425         condition to split after epilogue_completed.
426         (<lt_zcnt>_hi): New insn pattern.
427         (popcount<mode>2): Remove expander.
428         (popcount<mode>2): Merge *popcount<mode>2_falsedep_1 and
429         *popcount<mode>2 to define_insn_and_split pattern.  Adjust split
430         condition to split after epilogue_completed.
431         (popcounthi2): New insn pattern.
433 2016-12-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
435         * config/rs6000/altivec.md (UNSPEC_CMPRB): New unspec value.
436         (UNSPEC_CMPRB2): New unspec value.
437         (UNSPEC_CMPEQB): New unspec value.
438         (cmprb): New expansion.
439         (*cmprb_internal): New insn.
440         (*setb_internal): New insn.
441         (cmprb2): New expansion.
442         (*cmprb2_internal): New insn.
443         (cmpeqb): New expansion.
444         (*cmpeqb_internal): New insn.
445         * config/rs6000/rs6000-builtin.def (BU_P9_2): New macro.
446         (BU_P9_64BIT_2): Likewise.
447         (BU_P9_OVERLOAD_2): Likewise.
448         (CMPRB): Add byte-in-range built-in function.
449         (CMBRB2): Add byte-in-either-range built-in function.
450         (CMPEQB): Add byte-in-set built-in function.
451         (CMPRB): Add overload support for byte-in-range function.
452         (CMPRB2): Add overload support for byte-in-either-range function.
453         (CMPEQB): Add overload support for byte-in-set built-in function.
454         * config/rs6000/rs6000-c.c (P9_BUILTIN_CMPRB): Macro expansion to
455         define argument types for new builtin.
456         (P9_BUILTIN_CMPRB2): Likewise.
457         (P9_BUILTIN_CMPEQB): Likewise.
458         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Rearrange
459         the order of presentation for certain built-in functions
460         (scalar_extract_exp, scalar_extract_sig, scalar_insert_exp)
461         (scalar_cmp_exp_gt, scalar_cmp_exp_lt, scalar_cmp_exp_eq)
462         (scalar_cmp_exp_unordered, scalar_test_data_class)
463         (scalar_test_neg) to improve locality and flow.  Document
464         the new __builtin_scalar_byte_in_set,
465         __builtin_scalar_byte_in_range, and
466         __builtin_scalar_byte_in_either_range functions.
468 2016-12-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
470         * config/aarch64/aarch64.md: New define_split above bswap<mode>2.
472 2016-12-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
474         * config/aarch64/aarch64.md: New define_split above insv<mode>.
476 2016-12-16  Jakub Jelinek  <jakub@redhat.com>
478         PR c/78408
479         * tree-ssa-ccp.c: Include tree-dfa.h.
480         (optimize_memcpy): New function.
481         (pass_fold_builtins::execute): Use it.  Remove useless conditional
482         break after BUILT_IN_VA_*.
484 2016-12-16  Marek Polacek  <polacek@redhat.com>
486         PR tree-optimization/78819
487         * tree-vrp.c (find_switch_asserts): Return if the insertion limit is 0.
488         Don't register an assertion if the default case shares a label with
489         another case.
491 2016-12-16  Wilco Dijkstra  <wdijkstr@arm.com>
493         * config/arm/arm.md (subsi3_carryin): Add Thumb-2 RSC #0.
494         (arm_negdi2) Rename to negdi2_insn, allow on Thumb-2.
495         * config/arm/thumb2.md (thumb2_negdi2): Remove pattern.
497 2016-12-16  Wilco Dijkstra  <wdijkstr@arm.com>
499         * config/arm/arm.c (thumb_core_reg_alloc_order): Swap R12 and R14.
501 2016-12-16  Claudiu Zissulescu  <claziss@synopsys.com>
503         * config/arc/arc.md (call_prof): Remove.
504         (call_value_prof): Likewise.
505         (sibcall_prof): Likewise.
506         (sibcall_value_prof): Likewise.
508 2016-12-16  Claudiu Zissulescu  <claziss@synopsys.com>
510         * config/arc/arc.h (LINK_SPEC): Tidy up.
511         (ENDFILE_SPEC): Likewise.
512         (LIB_SPEC): Likewise.
513         (STARTFILE_SPEC): Include gcrt0 when profiling.
514         (FUNCTION_PROFILER): Use __mcount.
515         * config/arc/arc.opt (mucb-mcount): Remove.
516         * doc/invoke.texi (ARC): Remove mucb-mcount doc.
517         * arc/arc-protos.h (arc_profile_call): Remove.
518         * config/arc/arc.c (write_profile_sections): Likewise.
519         (arc_profile_call): Likewise.
520         (unspec_prof_hash): Likewise.
521         (unspec_prof_htab_eq): Likewise.
522         (arc_legitimate_constant_p): Remove UNSPEC_PROF.
523         (arc_reorg): Remove call to write_profile_sections.
524         * config/arc/arc.md (call): Remove call to arc_profile_call.
525         (call_value): Likewise.
526         (sibcall): Likewise.
527         (sibcall_value): Likewise.
528         (define_constants): Remove UNSPEC_PROF.
530 2016-12-16  Claudiu Zissulescu  <claziss@synopsys.com>
532         * config/arc/arc.md (mulsidi_600): Change to insn_and_split,
533         generate new mul64 insn for core multiplication work.
534         (umulsidi_600): Likewise, but use mulu64 insn.
535         (mul64): New pattern, content taken from old mulsidi_600 insn pattern.
536         (mulu64): Likewise, but using umulsidi_600.
537         (mulsidi3): Remove move to destination, this is now handled by
538         mulsidi_600 insn_and_split.
539         (umulsidi3): Likewise, but using umulsidi_600.
541 2016-12-16  Richard Biener  <rguenther@suse.de>
543         PR c++/71694
544         * langhooks-def.h (lhd_unit_size_without_reusable_padding): Declare.
545         (LANG_HOOKS_UNIT_SIZE_WITHOUT_REUSABLE_PADDING): Define.
546         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Adjust.
547         * langhooks.h (struct lang_hooks_for_types): Add
548         unit_size_without_reusable_padding.
549         * langhooks.c (lhd_unit_size_without_reusable_padding): New.
550         * stor-layout.c (finish_bitfield_representative): Use
551         unit_size_without_reusable_padding langhook to decide on the
552         last representatives size.
554 2016-12-16  Richard Biener  <rguenther@suse.de>
556         PR middle-end/71632
557         * expr.c (expand_cond_expr_using_cmove): Bail out early if
558         we end up recursing via TER.
560 2016-12-15  Martin Sebor  <msebor@redhat.com>
562         PR bootstrap/78817
563         * vec.h (vec<T, va_heap, vl_ptr>::safe_grow_cleared): Assert
564         a pointer is non-null.
566 2016-12-15  Andrew Senkevich  <andrew.senkevich@intel.com>
568         * config/i386/avx512bwintrin.h: Add new k-mask intrinsics.
569         * config/i386/avx512dqintrin.h: Ditto.
570         * config/i386/avx512fintrin.h: Ditto.
571         * config/i386/i386-builtin.def (__builtin_ia32_kmovb,
572         __builtin_ia32_kmovd, __builtin_ia32_kmovq): New.
573         (__builtin_ia32_kmov16): Rename to __builtin_ia32_kmovw.
574         * config/i386/sse.md (kmov<mskmodesuffix>): New.
576 2016-12-15  Uros Bizjak  <ubizjak@gmail.com>
578         * config/i386/i386.md (ffs<mode>2): Generate CCCmode flags register
579         for TARGET_BMI.
580         (ffssi2_no_cmove): Ditto.
581         (*tzcnt<mode>_1_falsedep_1): New insn_and_split pattern.
582         (*tzcnt<mode>_1_falsedep): New insn pattern.
584         (LT_ZCNT): New mode iterator.
585         (lt_zcnt): New mode attribute.
586         (lt_zcnt_type): New mode attribute.
587         (<lt_zcnt>_<mode>): Macroize expander from bmi_tzcnt_<mode> and
588         lzcnt_<mode> using LT_ZCNT mode iterator.
589         (*<lt_zcnt>_<mode>_falsedep_1): Macroize insn from
590         *bmi_tzcnt_<mode>_falsedep_1 and *lzcnt_<mode>_falsedep_1
591         using LT_ZCNT mode iterator.
592         (*<lt_zcnt>_<mode>_falsedep): Macroize insn from
593         *bmi_tzcnt_<mode>_falsedep and *lzcnt_<mode>_falsedep
594         using LT_ZCNT mode iterator.
595         (*<lt_zcnt>_<mode>): Macroize insn from *bmi_tzcnt_<mode>
596         and *lzcnt_<mode> using LT_ZCNT mode iterator.
597         * config/i386/i386-builtin.def (__builtin_ia32_tzcnt_u16)
598         (__builtin_ia32_tzcnt_u32, __builtin_ia32_tzcnt_u64, __builtin_ctzs):
599         Update for rename.
601 2016-12-15  Jakub Jelinek  <jakub@redhat.com>
603         * ipa-cp.c (class ipcp_bits_lattice): Formatting fixes.
604         (print_ipcp_constant_value): Likewise.
605         (ipcp_cloning_candidate_p): Likewise.
606         (ipcp_bits_lattice::get_value_and_mask): Likewise.
607         (ipcp_bits_lattice::meet_with_1): Likewise.
608         (ipcp_bits_lattice::meet_with): Likewise.
609         (initialize_node_lattices): Likewise.
610         (ipcp_lattice::add_value): Likewise.
611         (propagate_vals_accross_pass_through): Renamed to ...
612         (propagate_vals_across_pass_through): ... this function.
613         (propagate_vals_accross_ancestor): Renamed to ...
614         (propagate_vals_across_ancestor): ... this.
615         (propagate_scalar_accross_jump_function): Renamed to ...
616         (propagate_scalar_across_jump_function): ... this.
617         Adjust calls to above functions.
618         (propagate_context_accross_jump_function): Renamed to ...
619         (propagate_context_across_jump_function): ... this.
620         (propagate_bits_accross_jump_function): Renamed to ...
621         (propagate_bits_accross_jump_function): ... this.  Formatting fixes.
622         (propagate_vr_accross_jump_function): Renamed to ...
623         (propagate_vr_across_jump_function): ... this.
624         (merge_agg_lats_step): Formatting fixes.
625         (propagate_constants_accross_call): Renamed to ...
626         (propagate_constants_across_call): ... this.  Adjust calls to above
627         functions.
628         (ipa_get_indirect_edge_target_1): Formatting fixes.
629         (gather_context_independent_values): Likewise.
630         (estimate_local_effects): Likewise.
631         (add_all_node_vals_to_toposort): Likewise.
632         (propagate_constants_topo): Adjust calls to above functions.
633         (get_replacement_map): Formatting fixes.
634         (dump_profile_updates): Likewise.
635         (update_profiling_info): Likewise.
636         (update_specialized_profile): Likewise.
637         (create_specialized_node): Likewise.
638         (find_more_contexts_for_caller_subset): Likewise.
639         (decide_whether_version_node): Likewise.
640         (identify_dead_nodes): Likewise.
641         (ipcp_decision_stage): Likewise.
642         (ipcp_store_bits_results): Likewise.
643         (ipcp_store_vr_results): Likewise.
644         (ipcp_driver): Likewise.
646 2016-12-15  David Malcolm  <dmalcolm@redhat.com>
648         PR preprocessor/78680
649         PR preprocessor/78811
650         * input.c (struct selftest::lexer_test): Add field
651         m_implicitly_expect_EOF.
652         (selftest::lexer_error_sink): New class.
653         (selftest::lexer_error_sink::s_singleton): New global.
654         (selftest::lexer_test::lexer_test): Initialize new field
655         "m_implicitly_expect_EOF".
656         (selftest::lexer_test::~lexer_test): Conditionalize the
657         check for the EOF token on the new field.
658         (selftest::test_lexer_string_locations_raw_string_unterminated):
659         New function.
660         (selftest::input_c_tests): Call the new test.
662 2016-12-15  Wilco Dijkstra  <wdijkstr@arm.com>
664         * config/arm/arm.h (TARGET_BACKTRACE): Use crtl->is_leaf.
665         * config/arm/arm.c (arm_option_check_internal): Improve comment.
666         (thumb_force_lr_save): Use crtl->is_leaf.
667         (arm_get_frame_offsets): Remove comment.  Use crtl->is_leaf.
668         (thumb_far_jump_used_p): Remove comment.
669         (arm_frame_pointer_required): Use crtl->is_leaf.
671 2016-12-15  Jakub Jelinek  <jakub@redhat.com>
673         * doc/extend.texi: Clean up @xref{...} uses.
674         * doc/invoke.texi: Likewise.
676 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
678         * arm-fpus.def: Add CNAME field to all FPU definitions.
679         * genopt.sh: Use explicit enumeration tags for FPU entries.
680         * arm-tables.opt: Regenerated.
681         * arm.opt (mfpu): Provide initial value.
682         * arm-opts.h (enum fpu_type): Build the enumeration from the list of
683         available FPUs.  Add 'auto' entry on the end.
684         * arm.c (arm_configure_build_target): Only do explicit configuration
685         of the FPU features if the selected FPU is not 'auto'.
686         (arm_option_override): Adjust initialization of arm_fpu_index.
687         Emit an error if we have a hard float ABI request, but the processor
688         does not support floating-point.
689         (arm_option_print): Handle -mfpu=auto.
690         (arm_valid_target_attribute_rec): Don't permit fpu=auto in pragmas
691         or function attributes.
692         (arm_identify_fpu_from_isa): Handle effective soft-float when
693         the FPU is automatically detected.
694         * arm-cores.def (arm1136jf-s): Add feature ISA_FP_DBL.
695         (arm1176jzf-s): Likewise.
696         (mpcore): Likewise.
697         (arm1156t2f-s): Likewise.
699 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
701         * arm-fpus.def (ARM_FPU): Remove features field from all definitions.
702         * arm.h (arm_fpu_feature_set): Delete typedef.
703         (FPU_FL_NONE): Delete.
704         (FPU_FL_NEON): Delete.
705         (FPU_FL_FP16): Delete.
706         (FPU_FL_CRYPTO): Delete.
707         (FPU_FL_DBL): Delete.
708         (FPU_FL_D32): Delete.
709         (FPU_FL_VFPv2): Delete.
710         (FPU_FL_VFPv3): Delete.
711         (FPU_FL_VFPv4): Delete.
712         (FPU_FL_VFPv5): Delete.
713         (FPU_FL_AMRv8): Delete.
714         (FPU_VFPv2): Delete.
715         (FPU_VFPv3): Delete.
716         (FPU_VFPv4): Delete.
717         (FPU_VFPv5): Delete.
718         (FPU_ARMv8): Delete.
719         (FPU_DBL): Delete.
720         (FPU_D32): Delete.
721         (FPU_NEON): Delete.
722         (FPU_CRYPTO): Delete.
723         (FPU_FP16): Delete.
724         (arm_fpu_desc): Delete features field.
725         * arm.c (all_fpus): Don't initialize feature field.
727 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
729         * arm.c (arm_can_inline_p): Use ISA features for determining
730         inlinability.
732 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
734         * arm-protos.h (arm_configure_build_target): Change second argument
735         to cl_target_options.
736         * arm.c (arm_configure_build_target): Likewise.
737         (arm_option_restore): Update accordingly.
738         (arm_option_override): Create the target_option_default_node before
739         calling arm_configure_build_target.  Use it in call of latter.
740         Resynchronize after all other overrides have been calculated.
741         (arm_valid_target_attribute_tree): Use the target options for
742         reconfiguration.  Resynchronize after performing override checks.
743         * arm-c.c (arm_pragma_target_parse): Use target optiosn from cur_tree
744         to reconfigure the build target.
746 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
748         * arm.h (TARGET_VFPD32): Use arm_active_target.
749         (TARGET_VFP3): Likewise.
750         (TARGET_VFP5): Likewise.
751         (TARGET_VFP_SINGLE): Likewise.
752         (TARGET_VFP_DOUBLE): Likewise.
753         (TARGET_NEON_FP16): Likewise.
754         (TARGET_FP16): Likewise.
755         (TARGET_FMA): Likewise.
756         (TARGET_FPU_ARMV8): Likewise.
757         (TARGET_CRYPTO): Likewise.
758         (TARGET_NEON): Likewise.
759         (TARGET_FPU_FEATURES): Delete.
760         * arm.c (arm_option_check_internal): Check for iwmmxt conflict with
761         Neon using arm_active_target.
763 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
765         * arm.h (TARGET_FPU_NAME): Delete.
766         * arm.c (arm_identify_fpu_from_isa): New function.
767         (arm_declare_function_name): Use it to get the name for the FPU.
769 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
771         * arm-protos.h: Include sbitmap.h
772         (arm_configure_build_target): Make public.
773         * arm.c (arm_configure_build_target): Now not static.
774         (arm_valid_target_attribute_rec): Move internal option check to...
775         (arm_valid_target_attribute_tree0: ... here.  Also reconfingure the
776         active target.
777         (arm_override_options_after_change): Call arm_configure_build_target.
778         (isa_all_fpubits): Renamed from isa_fpubits.
779         (arm_option_restore): New function.
780         (TARGET_OPTION_RESTORE): Register it.
781         (arm_configure_build_target): Initialize the FPU capability bits in
782         the isa.
783         (arm_option_override): Move the code that forces the setting of the
784         FPU option before the call to arm_configure_build_target.
785         * arm.opt (march): Mark as Save.
786         (mcpu, mtune): Likewise.
787         * arm-c.c (arm_pragma_target_parse): Reconfigure the build target
788         after pragmas change the target options.
790 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
792         * arm-isa.h (isa_feature): Add bits for VFPv4, FPv5, fp16conv,
793         fP_dbl, fp_d32 and fp_crypto.
794         (ISA_ALL_FPU): Add all the new bits.
795         (ISA_VFPv2, ISA_VFPv3, ISA_VFPv4, ISA_FPv5): New macros.
796         (ISA_FP_ARMv8, ISA_FP_DBL, ISA_FP_D32, ISA_NEON, ISA_CRYPTO): Likewise.
797         * arm-fpus.def: Add ISA features to all FPUs.
798         * arm.h: (arm_fpu_desc): Add new field for ISA bits.
799         * arm.c (all_fpus): Initialize it.
800         * arm-tables.opt: Regenerated.
802 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
804         * arm.h (FPU_FL_VFPv2) New feature bit.
805         (FPU_FL_VFPv3, FPU_FL_VFPv4, FPU_FL_VFPv5, FPU_FL_ARMv8): Likewise.
806         (FPU_VFPv2, FPU_VFPv3, FPU_VFPv4, FPU_VFPv5, FPU_ARMv8): New helper
807         macros.
808         (FPU_DBL, FPU_D32, FPU_NEON, FPU_CRYPTO, FPU_FP16): Likewise.
809         (TARGET_FPU_REV): Delete.
810         (TARGET_VFP3): Use feature bits.
811         (TARGET_VFP5): Likewise.
812         (TARGET_FMA): Likewise.
813         (TARGET_FPU_ARMV8): Likewise.
814         (struct arm_fpu_desc): Delete rev field.
815         * arm-fpus.def: Delete REV entry, use new feature bits and macros.
816         * arm.c (all_fpus): Delete rev field.
818 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
820         * arm.h (vfp_reg_type): Delete.
821         (TARGET_FPU_REGS): Delete.
822         (arm_fpu_desc): Delete regs field.
823         (FPU_FL_NONE, FPU_FL_NEON, FPU_FL_FP16, FPU_FL_CRYPTO): Use unsigned
824         values.
825         (FPU_FL_DBL, FPU_FL_D32): Define.
826         (TARGET_VFPD32): Use feature test.
827         (TARGET_VFP_SINGLE): Likewise.
828         (TARGET_VFP_DOUBLE): Likewise.
829         * arm-fpus.def: Update all entries for new feature bits.
830         * arm.c (all_fpus): Update initializer macro.
831         (arm_can_inline_p): Remove test on fpu regs.
833 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
835         * arm.h (arm_fp_model): Delete.
837 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
839         * arm-cores.def: Remove FLAGS field from all core definitions.
840         * arm-arches.def: Likewise.
841         * arm-opts.h (enum processor_type): Remove FLAGS parameter from
842         ARM_CORES macro.
843         (arm_arch_core_flags): Likewise, plus ARM_ARCH macro.
844         * arm-protos.h (FL_*): Delete.
845         (arm_feature_set): Delete.
846         (ARM_FSET_*): Delete.
847         * arm.c (struct processors): Delete flags field.
848         (all_cores): Delete FLAGS parameter from macro, don't initialize flags.
849         (all architectures): Likewise.
851 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
853         * arm-opts.h (struct arm_arch_core_flag): Add new field ISA.
854         Initialize it.
855         (arm_arch_core_flag): Delete flags field.
856         (arm_arch_core_flags): Don't initialize flags field.
857         * common/config/arm/arm-common.c (check_isa_bits_for): New function.
858         (arm_target_thumb_only): Use new isa bits arrays.
860 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
862         * arm-protos.h (insn_flags): Delete declaration.
863         (arm_arch7ve): Declare.
864         * arm.c (insn_flags): Delete.
865         (arm_arch7ve): New variable.
866         (arm_selected_cpu): Delete.
867         (arm_option_check_internal): Use new ISA bitmap.
868         (arm_option_override_internal): Likewise.
869         (arm_configure_build_target): Declare arm_selected_cpu locally.
870         (arm_option_override): Use new ISA bitmap.  Initialize arm_arch7ve.
871         Rearrange variable intialization by general function.
872         * arm.h (TARGET_HAVE_LPAE): Use arm_arch7ve.
874 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
876         * arm-builtins.c: Include sbitmap.h.
877         (def_mbuiltin): Change first parameter to a flag bit.  Use it to test
878         available features in the current target.
879         (struct builtin_description): Change type of feature field.
880         (IWMMXT_BUILTIN): Use the isa_features types.
881         (IWMMXT2_BUILTIN): Likewise.
882         (IWMMXT_BUILTIN2): Likewise.
883         (IWMMXT2_BUILTIN2): Likewise.
884         (CRC32_BUILTIN): Likewise.
885         (CRYPTO_BUILTIN): Likewise.
886         (iwmmx_builtin): Likewise.
887         (iwmmx2_builtin): Likewise.
888         (arm_iwmmxt_builtin): Check for specific feature bits.
890 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
892         * arm-isa.h (enum isa_feature): Add isa_quirk_cm3_ldrd.
893         (ISA_ALL_QUIRKS): New macro.
894         * arm-cores.def (cortex-m3): Add isa_quirk_cm3_ldrd to isa feature list.
895         * arm.c (isa_quirkbits): New feature-list bitmap.
896         (arm_configure_build_target): Ignore quirk bits when comparing an
897         architecture feature list with a CPU feature list.
898         (arm_option_override): Initialize_isa_quirkbits.  If the user has
899         not specified -m[no-]fix-cortex-m3-ldrd, automatically enable the
900         feature if isa_quirk_cm3_ldrd appears in the isa feature list.
902 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
904         * arm.c (arm_option_override): Use arm_active_target as source of
905         information for arm_base_arch and arm_arch_name.
906         * (arm_file_start): Use arm_active_target for core name.
908 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
910         * arm.c (arm_selected_tune): Delete static variable.
911         (arm_selected_arch): Likewise.
912         (arm_configure_build_target): Declare local versions of arm_selected
913         target and arm_selected_arch.  Initialize more fields in target
914         data structure.
915         (arm_option_override): Use arm_active_target instead of
916         arm_selected_tune and arm_selected_arch.
917         (asm_file_start): Use arm_active_target.
919 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
921         * arm-protos.h (arm_build_target): New structure.
922         (arm_active_target): Declare it.
923         * arm.c (arm_active_target): New variable.
924         (bitmap_popcount): New function.
925         (feature_count): Delete.
926         (arm_initialize_isa): New function.
927         isa_fpubits): New variable.
928         (arm_configure_build_target): New function.
929         (arm_option_override): Initialize isa_fpubits and arm_active_target.isa.
930         Use arm_configure_build_target.
932 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
934         * arm-isa.h: New file.
935         * arm-protos.h: Include it.
936         * arm-arches.def: Add new ISA field to all entries.  Drop bogus
937         armv8.1-a+crc architecture.
938         * arm-cores.def: Similarly.  Group ARMv8 cores by profile.
939         * arm-opts.h (enum processor_type): Adjust for new field.
940         * arm.c (struct processors): New field 'isa_bits'.
941         (all_cores, all_architectures): Initialize new field.
942         * arm-tables.opt: Regenerated.
943         * arm-tune.md: Regenerated.
945 2016-12-15  Richard Earnshaw  <rearnsha@arm.com>
947         * arm-arches.def (ARM_ARCH): Add extra field TUNE_FLAGS, move
948         tuning properties from architectural FLAGS field.
949         * arm-cores.def (ARM_CORE): Likewise.
950         * arm-protos.h (TF_LDSCHED, TF_WBUF, TF_CO_PROC): New macros.
951         (TF_SMALLMUL, TF_STRONG, TF_SCALE, TF_NOMODE32): New macros.
952         (FL_LDSCHED, FL_STRONG, FL_WBUF, FL_SMALLMUL): Delete.
953         (FL_TUNE): Remove deleted elements.
954         (tune_flags): Convert type to unsigned int.
955         * arm.c (struct processors): Add new field tune_flags.
956         (all_cores, all_arches): Initialize it.
957         (arm_option_override): Adapt uses of tune_flags.  Use tune_flags
958         for deciding when we should have slow multiply operations.
960 2016-12-14  Martin Sebor  <msebor@redhat.com>
962         PR middle-end/78519
963         * gimple-ssa-sprintf.c (format_string): Handle null pointers.
964         (format_directive): Diagnose null pointer arguments.
965         (pass_sprintf_length::handle_gimple_call): Diagnose null destination
966         pointers.  Correct location of null format string in diagnostics.
968 2016-12-14  David Malcolm  <dmalcolm@redhat.com>
970         * Makefile.in (SELFTEST_FLAGS): Add path argument to -fself-test.
971         (s-selftest): Add dependency on the selftests data directory.
972         * common.opt (fself-test): Rename to...
973         (fself-test=): ...this, documenting the meaning of the argument.
974         * selftest-run-tests.c (along): Likewise.
975         * selftest-run-tests.c: Include "options.h".
976         (selftest::run_tests): Initialize selftest::path_to_selftest_files
977         from flag_self_test.
978         * selftest.c (selftest::path_to_selftest_files): New global.
979         (selftest::locate_file): New function.
980         (selftest::test_locate_file): New function.
981         (selftest_c_tests): Likewise.
982         (selftest::selftest_c_tests): Call test_locate_file.
983         * selftest.h (selftest::locate_file): New decl.
984         (selftest::path_to_selftest_files): New decl.
986 2016-12-14  Andrew Pinski  <apinski@cavium.com>
988         * config/aarch64/aarch64-cores.def: Add -1 as the variant to all
989         of the cores.
990         (thunderx): Update to include LSE by default.
991         (thunderxt88p1): New core.
992         (thunderxt88): New core.
993         (thunderxt81): New core.
994         (thunderxt83): New core.
995         * config/aarch64/driver-aarch64.c (struct aarch64_core_data):
996         Add variant field.
997         (ALL_VARIANTS): New define.
998         (AARCH64_CORE): Support VARIANT operand.
999         (cpu_data): Likewise.
1000         (host_detect_local_cpu): Parse variant field of /proc/cpuinfo.
1001         Combine the arch and single core case and support variant searching.
1002         * common/config/aarch64/aarch64-common.c (AARCH64_CORE):
1003         Add VARIANT operand.
1004         * config/aarch64/aarch64-opts.h (AARCH64_CORE): Likewise.
1005         * config/aarch64/aarch64.c (AARCH64_CORE): Likewise.
1006         * config/aarch64/aarch64.h (AARCH64_CORE): Likewise.
1007         * config/aarch64/aarch64-tune.md: Regenerate.
1008         * doc/invoke.texi (AARCH64/mtune): Document thunderxt88,
1009         thunderxt88p1, thunderxt81, thunderxt83 as available options.
1011 2016-12-14  Martin Jambor  <mjambor@suse.cz>
1013         * omp-offload.c: Fix coding style.
1014         * omp-expand.c: Likewise.
1015         * omp-general.c: Likewise.
1016         * omp-grid.c: Likewise.
1017         * omp-low.c: Fix coding style of parts touched by the
1018         previous splitting patch.
1020 2016-12-14  Martin Jambor  <mjambor@suse.cz>
1022         * omp-general.h: New file.
1023         * omp-general.c: New file.
1024         * omp-expand.h: Likewise.
1025         * omp-expand.c: Likewise.
1026         * omp-offload.h: Likewise.
1027         * omp-offload.c: Likewise.
1028         * omp-grid.c: Likewise.
1029         * omp-grid.c: Likewise.
1030         * omp-low.h: Include omp-general.h and omp-grid.h.  Removed includes
1031         of params.h, symbol-summary.h, lto-section-names.h, cilk.h, tree-eh.h,
1032         ipa-prop.h, tree-cfgcleanup.h, cfgloop.h, except.h, expr.h, stmt.h,
1033         varasm.h, calls.h, explow.h, dojump.h, flags.h, tree-into-ssa.h,
1034         tree-cfg.h, cfganal.h, alias.h, emit-rtl.h, optabs.h, expmed.h,
1035         alloc-pool.h, cfghooks.h, rtl.h and memmodel.h.
1036         (omp_find_combined_for): Declare.
1037         (find_omp_clause): Renamed to omp_find_clause and moved to
1038         omp-general.h.
1039         (free_omp_regions): Renamed to omp_free_regions and moved to
1040         omp-expand.h.
1041         (replace_oacc_fn_attrib): Renamed to oacc_replace_fn_attrib and moved
1042         to omp-general.h.
1043         (set_oacc_fn_attrib): Renamed to oacc_set_fn_attrib and moved to
1044         omp-general.h.
1045         (build_oacc_routine_dims): Renamed to oacc_build_routine_dims and
1046         moved to omp-general.h.
1047         (get_oacc_fn_attrib): Renamed to oacc_get_fn_attrib and moved to
1048         omp-general.h.
1049         (oacc_fn_attrib_kernels_p): Moved to omp-general.h.
1050         (get_oacc_fn_dim_size): Renamed to oacc_get_fn_dim_size and moved to
1051         omp-general.c.
1052         (omp_expand_local): Moved to omp-expand.h.
1053         (make_gimple_omp_edges): Renamed to omp_make_gimple_edges and moved to
1054         omp-expand.h.
1055         (omp_finish_file): Moved to omp-offload.h.
1056         (default_goacc_validate_dims): Renamed to
1057         oacc_default_goacc_validate_dims and moved to omp-offload.h.
1058         (offload_funcs, offload_vars): Moved to omp-offload.h.
1059         * omp-low.c: Include omp-general.h, omp-offload.h and omp-grid.h.
1060         (omp_region): Moved to omp-expand.c.
1061         (omp_for_data_loop): Moved to omp-general.h.
1062         (omp_for_data): Likewise.
1063         (oacc_loop): Moved to omp-offload.c.
1064         (oacc_loop_flags): Moved to omp-general.h.
1065         (offload_funcs, offload_vars): Moved to omp-offload.c.
1066         (root_omp_region): Moved to omp-expand.c.
1067         (omp_any_child_fn_dumped): Likewise.
1068         (find_omp_clause): Renamed to omp_find_clause and moved to
1069         omp-general.c.
1070         (is_combined_parallel): Moved to omp-expand.c.
1071         (is_reference): Renamed to omp_is_reference and and moved to
1072         omp-general.c.
1073         (adjust_for_condition): Renamed to omp_adjust_for_condition and moved
1074         to omp-general.c.
1075         (get_omp_for_step_from_incr): Renamed to omp_get_for_step_from_incr
1076         and moved to omp-general.c.
1077         (extract_omp_for_data): Renamed to omp_extract_for_data and moved to
1078         omp-general.c.
1079         (workshare_safe_to_combine_p): Moved to omp-expand.c.
1080         (omp_adjust_chunk_size): Likewise.
1081         (get_ws_args_for): Likewise.
1082         (get_base_type): Removed.
1083         (dump_omp_region): Moved to omp-expand.c.
1084         (debug_omp_region): Likewise.
1085         (debug_all_omp_regions): Likewise.
1086         (new_omp_region): Likewise.
1087         (free_omp_region_1): Likewise.
1088         (free_omp_regions): Renamed to omp_free_regions and moved to
1089         omp-expand.c.
1090         (find_combined_for): Renamed to omp_find_combined_for, made global.
1091         (build_omp_barrier): Renamed to omp_build_barrier and moved to
1092         omp-general.c.
1093         (omp_max_vf): Moved to omp-general.c.
1094         (omp_max_simt_vf): Likewise.
1095         (gimple_build_cond_empty): Moved to omp-expand.c.
1096         (parallel_needs_hsa_kernel_p): Likewise.
1097         (expand_omp_build_assign): Moved declaration to omp-expand.c.
1098         (expand_parallel_call): Moved to omp-expand.c.
1099         (expand_cilk_for_call): Likewise.
1100         (expand_task_call): Likewise.
1101         (vec2chain): Likewise.
1102         (remove_exit_barrier): Likewise.
1103         (remove_exit_barriers): Likewise.
1104         (optimize_omp_library_calls): Likewise.
1105         (expand_omp_regimplify_p): Likewise.
1106         (expand_omp_build_assign): Likewise.
1107         (expand_omp_taskreg): Likewise.
1108         (oacc_collapse): Likewise.
1109         (expand_oacc_collapse_init): Likewise.
1110         (expand_oacc_collapse_vars): Likewise.
1111         (expand_omp_for_init_counts): Likewise.
1112         (expand_omp_for_init_vars): Likewise.
1113         (extract_omp_for_update_vars): Likewise.
1114         (expand_omp_ordered_source): Likewise.
1115         (expand_omp_ordered_sink): Likewise.
1116         (expand_omp_ordered_source_sink): Likewise.
1117         (expand_omp_for_ordered_loops): Likewise.
1118         (expand_omp_for_generic): Likewise.
1119         (expand_omp_for_static_nochunk): Likewise.
1120         (find_phi_with_arg_on_edge): Likewise.
1121         (expand_omp_for_static_chunk): Likewise.
1122         (expand_cilk_for): Likewise.
1123         (expand_omp_simd): Likewise.
1124         (expand_omp_taskloop_for_outer): Likewise.
1125         (expand_omp_taskloop_for_inner): Likewise.
1126         (expand_oacc_for): Likewise.
1127         (expand_omp_for): Likewise.
1128         (expand_omp_sections): Likewise.
1129         (expand_omp_single): Likewise.
1130         (expand_omp_synch): Likewise.
1131         (expand_omp_atomic_load): Likewise.
1132         (expand_omp_atomic_store): Likewise.
1133         (expand_omp_atomic_fetch_op): Likewise.
1134         (expand_omp_atomic_pipeline): Likewise.
1135         (expand_omp_atomic_mutex): Likewise.
1136         (expand_omp_atomic): Likewise.
1137         (oacc_launch_pack): and moved to omp-general.c, made public.
1138         (OACC_FN_ATTRIB): Likewise.
1139         (replace_oacc_fn_attrib): Renamed to oacc_replace_fn_attrib and moved
1140         to omp-general.c.
1141         (set_oacc_fn_attrib): Renamed to oacc_set_fn_attrib and moved to
1142         omp-general.c.
1143         (build_oacc_routine_dims): Renamed to oacc_build_routine_dims and
1144         moved to omp-general.c.
1145         (get_oacc_fn_attrib): Renamed to oacc_get_fn_attrib and moved to
1146         omp-general.c.
1147         (oacc_fn_attrib_kernels_p): Moved to omp-general.c.
1148         (oacc_fn_attrib_level): Moved to omp-offload.c.
1149         (get_oacc_fn_dim_size): Renamed to oacc_get_fn_dim_size and moved to
1150         omp-general.c.
1151         (get_oacc_ifn_dim_arg): Renamed to oacc_get_ifn_dim_arg and moved to
1152         omp-general.c.
1153         (mark_loops_in_oacc_kernels_region): Moved to omp-expand.c.
1154         (grid_launch_attributes_trees): Likewise.
1155         (grid_attr_trees): Likewise.
1156         (grid_create_kernel_launch_attr_types): Likewise.
1157         (grid_insert_store_range_dim): Likewise.
1158         (grid_get_kernel_launch_attributes): Likewise.
1159         (get_target_argument_identifier_1): Likewise.
1160         (get_target_argument_identifier): Likewise.
1161         (get_target_argument_value): Likewise.
1162         (push_target_argument_according_to_value): Likewise.
1163         (get_target_arguments): Likewise.
1164         (expand_omp_target): Likewise.
1165         (grid_expand_omp_for_loop): Moved to omp-grid.c.
1166         (grid_arg_decl_map): Likewise.
1167         (grid_remap_kernel_arg_accesses): Likewise.
1168         (grid_expand_target_grid_body): Likewise.
1169         (expand_omp): Renamed to omp_expand and moved to omp-expand.c.
1170         (build_omp_regions_1): Moved to omp-expand.c.
1171         (build_omp_regions_root): Likewise.
1172         (omp_expand_local): Likewise.
1173         (build_omp_regions): Likewise.
1174         (execute_expand_omp): Likewise.
1175         (pass_data_expand_omp): Likewise.
1176         (pass_expand_omp): Likewise.
1177         (make_pass_expand_omp): Likewise.
1178         (pass_data_expand_omp_ssa): Likewise.
1179         (pass_expand_omp_ssa): Likewise.
1180         (make_pass_expand_omp_ssa): Likewise.
1181         (grid_lastprivate_predicate): Renamed to
1182         omp_grid_lastprivate_predicate and moved to omp-grid.c, made public.
1183         (grid_prop): Moved to omp-grid.c.
1184         (GRID_MISSED_MSG_PREFIX): Likewise.
1185         (grid_safe_assignment_p): Likewise.
1186         (grid_seq_only_contains_local_assignments): Likewise.
1187         (grid_find_single_omp_among_assignments_1): Likewise.
1188         (grid_find_single_omp_among_assignments): Likewise.
1189         (grid_find_ungridifiable_statement): Likewise.
1190         (grid_parallel_clauses_gridifiable): Likewise.
1191         (grid_inner_loop_gridifiable_p): Likewise.
1192         (grid_dist_follows_simple_pattern): Likewise.
1193         (grid_gfor_follows_tiling_pattern): Likewise.
1194         (grid_call_permissible_in_distribute_p): Likewise.
1195         (grid_handle_call_in_distribute): Likewise.
1196         (grid_dist_follows_tiling_pattern): Likewise.
1197         (grid_target_follows_gridifiable_pattern): Likewise.
1198         (grid_remap_prebody_decls): Likewise.
1199         (grid_var_segment): Likewise.
1200         (grid_mark_variable_segment): Likewise.
1201         (grid_copy_leading_local_assignments): Likewise.
1202         (grid_process_grid_body): Likewise.
1203         (grid_eliminate_combined_simd_part): Likewise.
1204         (grid_mark_tiling_loops): Likewise.
1205         (grid_mark_tiling_parallels_and_loops): Likewise.
1206         (grid_process_kernel_body_copy): Likewise.
1207         (grid_attempt_target_gridification): Likewise.
1208         (grid_gridify_all_targets_stmt): Likewise.
1209         (grid_gridify_all_targets): Renamed to omp_grid_gridify_all_targets
1210         and moved to omp-grid.c, made public.
1211         (make_gimple_omp_edges): Renamed to omp_make_gimple_edges and moved to
1212         omp-expand.c.
1213         (add_decls_addresses_to_decl_constructor): Moved to omp-offload.c.
1214         (omp_finish_file): Likewise.
1215         (oacc_thread_numbers): Likewise.
1216         (oacc_xform_loop): Likewise.
1217         (oacc_default_dims, oacc_min_dims): Likewise.
1218         (oacc_parse_default_dims): Likewise.
1219         (oacc_validate_dims): Likewise.
1220         (new_oacc_loop_raw): Likewise.
1221         (new_oacc_loop_outer): Likewise.
1222         (new_oacc_loop): Likewise.
1223         (new_oacc_loop_routine): Likewise.
1224         (finish_oacc_loop): Likewise.
1225         (free_oacc_loop): Likewise.
1226         (dump_oacc_loop_part): Likewise.
1227         (dump_oacc_loop): Likewise.
1228         (debug_oacc_loop): Likewise.
1229         (oacc_loop_discover_walk): Likewise.
1230         (oacc_loop_sibling_nreverse): Likewise.
1231         (oacc_loop_discovery): Likewise.
1232         (oacc_loop_xform_head_tail): Likewise.
1233         (oacc_loop_xform_loop): Likewise.
1234         (oacc_loop_process): Likewise.
1235         (oacc_loop_fixed_partitions): Likewise.
1236         (oacc_loop_auto_partitions): Likewise.
1237         (oacc_loop_partition): Likewise.
1238         (default_goacc_fork_join): Likewise.
1239         (default_goacc_reduction): Likewise.
1240         (execute_oacc_device_lower): Likewise.
1241         (default_goacc_validate_dims): Likewise.
1242         (default_goacc_dim_limit): Likewise.
1243         (pass_data_oacc_device_lower): Likewise.
1244         (pass_oacc_device_lower): Likewise.
1245         (make_pass_oacc_device_lower): Likewise.
1246         (execute_omp_device_lower): Likewise.
1247         (pass_data_omp_device_lower): Likewise.
1248         (pass_omp_device_lower): Likewise.
1249         (make_pass_omp_device_lower): Likewise.
1250         (pass_data_omp_target_link): Likewise.
1251         (pass_omp_target_link): Likewise.
1252         (find_link_var_op): Likewise.
1253         (pass_omp_target_link::execute): Likewise.
1254         (make_pass_omp_target_link): Likewise.
1255         * Makefile.in (OBJS): Added omp-offload.o, omp-expand.o, omp-general.o
1256         and omp-grid.o.
1257         (GTFILES): Added omp-offload.h, omp-offload.c and omp-expand.c, removed
1258         omp-low.h.
1259         * gimple-fold.c: Include omp-general.h instead of omp-low.h.
1260         (fold_internal_goacc_dim): Adjusted calls to
1261         get_oacc_ifn_dim_arg and get_oacc_fn_dim_size to use their new names.
1262         * gimplify.c: Include omp-low.h.
1263         (omp_notice_variable): Adjust the call to get_oacc_fn_attrib to use
1264         its new name.
1265         (gimplify_omp_task): Adjusted calls to find_omp_clause to use its new
1266         name.
1267         (gimplify_omp_for): Likewise.
1268         * lto-cgraph.c: Include omp-offload.h instead of omp-low.h.
1269         * toplev.c: Include omp-offload.h instead of omp-low.h.
1270         * tree-cfg.c: Include omp-general.h instead of omp-low.h.  Also
1271         include omp-expand.h.
1272         (make_edges_bb): Adjusted the call to make_gimple_omp_edges to use its
1273         new name.
1274         (make_edges): Adjust the call to free_omp_regions to use its new name.
1275         * tree-parloops.c: Include omp-general.h.
1276         (create_parallel_loop): Adjusted the call to set_oacc_fn_attrib to use
1277         its new name.
1278         (parallelize_loops): Adjusted the call to get_oacc_fn_attrib to use
1279         its new name.
1280         * tree-ssa-loop.c: Include omp-general.h instead of omp-low.h.
1281         (gate_oacc_kernels): Adjusted the call to get_oacc_fn_attrib to use
1282         its new name.
1283         * tree-vrp.c: Include omp-general.h instead of omp-low.h.
1284         (extract_range_basic): Adjusted calls to get_oacc_ifn_dim_arg and
1285         get_oacc_fn_dim_size to use their new names.
1286         * varpool.c: Include omp-offload.h instead of omp-low.h.
1287         * gengtype.c (open_base_files): Replace omp-low.h with omp-offload.h in
1288         ifiles.
1289         * config/nvptx/nvptx.c: Include omp-general.c.
1290         (nvptx_expand_call): Adjusted the call to get_oacc_fn_attrib to use
1291         its new name.
1292         (nvptx_reorg): Likewise.
1293         (nvptx_record_offload_symbol): Likewise.
1295 2016-12-14  Martin Sebor  <msebor@redhat.com>
1297         PR middle-end/78786
1298         * gimple-ssa-sprintf.c (target_dir_max): New macro.
1299         (get_mpfr_format_length): New function.
1300         (format_integer): Use HOST_WIDE_INT instead of int.
1301         (format_floating_max): Same.
1302         (format_floating): Call get_mpfr_format_length.
1303         (format_directive): Use target_dir_max.
1305 2016-12-14  Jakub Jelinek  <jakub@redhat.com>
1307         PR target/78791
1308         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_STV_TEMP.
1309         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies,
1310         dimode_scalar_chain::convert_reg): Use SLOT_STV_TEMP instead of
1311         SLOT_TEMP.
1313 2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
1315         PR target/59874
1316         * config/i386/i386-builtin.def: Add __builtin_clzs and __builtin_ctzs.
1317         (ix86_fold_builtin): Handle IX86_BUILTIN_CTZS and IX86_BUILTIN_CLZS.
1318         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
1319         (*clzhi2): Ditto.
1321 2016-12-14  Jakub Jelinek  <jakub@redhat.com>
1323         PR debug/77844
1324         * valtrack.c: Include rtl-iter.h.
1325         (struct rtx_subst_pair): Add insn field.
1326         (propagate_for_debug_subst): If pair->to contains at least 2
1327         regs, create a DEBUG_INSN with a debug temp before pair->insn
1328         and replace from with the debug temp instead of pair->to.
1329         (propagate_for_debug): Initialize p.insn.
1330         * combine.c (insn_uid_check): New inline function.
1331         (INSN_COST, LOG_LINKS): Use it instead of INSN_UID.
1332         (find_single_use, combine_instructions,
1333         cant_combine_insn_p, try_combine): Use NONDEBUG_INSN_P instead of
1334         INSN_P.
1336 2016-12-14  Martin Sebor  <msebor@redhat.com>
1338         PR c/17308
1339         * builtin-attrs.def (ATTR_NONNULL_1_1, ATTR_NONNULL_1_2): Defined.
1340         (ATTR_NONNULL_1_3, ATTR_NONNULL_1_4, ATTR_NONNULL_1_5): Same.
1341         (ATTR_NOTHROW_NONNULL_1_1, ATTR_NOTHROW_NONNULL_1_2): Same.
1342         (ATTR_NOTHROW_NONNULL_1_3, ATTR_NOTHROW_NONNULL_1_4): Same.
1343         (ATTR_NOTHROW_NONNULL_1_5): Same.
1344         (ATTR_NONNULL_1_FORMAT_PRINTF_1_2): Same.
1345         (ATTR_NONNULL_1_FORMAT_PRINTF_2_0): Same.
1346         (ATTR_NONNULL_1_FORMAT_PRINTF_2_3): Same.
1347         (ATTR_NONNULL_1_FORMAT_PRINTF_3_0): Same.
1348         (ATTR_NONNULL_1_FORMAT_PRINTF_3_4): Same.
1349         (ATTR_NONNULL_1_FORMAT_PRINTF_4_0): Same.
1350         (ATTR_NONNULL_1_FORMAT_PRINTF_4_5): Same.
1351         * builtins.c (validate_arg): Add argument.  Treat null pointers
1352         passed to nonnull arguments as invalid.
1353         (validate_arglist): Same.
1354         * builtins.def (fprintf, fprintf_unlocked): Add nonnull attribute.
1355         (printf, printf_unlocked, sprintf. vfprintf, vsprintf): Same.
1356         (__sprintf_chk, __vsprintf_chk, __fprintf_chk, __vfprintf_chk): Same.
1357         * calls.c (get_nonnull_ags, maybe_warn_null_arg): New functions.
1358         (initialize_argument_information): Diagnose null pointers passed to
1359         arguments declared nonnull.
1360         * calls.h (get_nonnull_args): Declared.
1362 2016-12-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1364         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): On ISA
1365         3.0/power9, add support to use the VEXTU{B,H,W}{L,R}X extract
1366         instructions.
1367         * config/rs6000/vsx.md (VSr2): Add IEEE 128-bit floating point
1368         type constraint registers.
1369         (VSr3): Likewise.
1370         (FL_CONV): New mode iterator for binary floating types that have a
1371         direct conversion from 64-bit integer to floating point.
1372         (vsx_extract_<mode>_p9): Add support for the ISA 3.0/power9
1373         VEXTU{B,H,W}{L,R}X extract instructions.
1374         (vsx_extract_<mode>_p9 splitter): Add splitter to load up the
1375         extract byte position into the GPR if we are using the
1376         VEXTU{B,H,W}{L,R}X extract instructions.
1377         (vsx_extract_<mode>_di_p9): Support extracts to GPRs.
1378         (vsx_extract_<mode>_store_p9): Support extracting to GPRs so that
1379         we can use reg+offset address instructions.
1380         (vsx_extract_<mode>_var): Support extracts to GPRs.
1381         (vsx_extract_<VSX_EXTRACT_I:mode>_<SDI:mode>_var): New combiner
1382         insn to combine vector extracts with zero_extend.
1383         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Optimize
1384         extracting a small integer vector element and converting it to a
1385         floating point type.
1386         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
1387         (UNSPEC_XXEXTRACTUW): New unspec.
1388         (UNSPEC_XXINSERTW): Likewise.
1389         (vextract4b): Add support for the vec_vextract4b built-in
1390         function.
1391         (vextract4b_internal): Likewise.
1392         (vinsert4b): Add support for the vec_insert4b built-in function.
1393         Include both a version that inserts element 1 from a V4SI object
1394         and one that inserts a DI object.
1395         (vinsert4b_internal): Likewise.
1396         (vinsert4b_di): Likewise.
1397         (vinsert4b_di_internal): Likewise.
1398         * config/rs6000/predicates.md (const_0_to_11_operand): New
1399         predicate, match 0..11.
1400         * config/rs6000/rs6000-builtin.def (BU_P9V_VSX_3): Set built-in
1401         type to ternary, not binary.
1402         (BU_P9V_64BIT_VSX_3): Likewise.
1403         (P9V_BUILTIN_VEXTRACT4B): Add support for vec_vinsert4b and
1404         vec_extract4b non-overloaded built-in functions.
1405         (P9V_BUILTIN_VINSERT4B): Likewise.
1406         (P9V_BUILTIN_VINSERT4B_DI): Likewise.
1407         (P9V_BUILTIN_VEC_VEXTULX): Move to section that adds 2 operand ISA
1408         3.0 built-in functions.
1409         (P9V_BUILTIN_VEC_VEXTURX): Likewise.
1410         (P9V_BUILTIN_VEC_VEXTRACT4B): Add support for overloaded
1411         vec_insert4b and vec_extract4 built-in functions.
1412         (P9V_BUILTIN_VEC_VINSERT4B): Likewise.
1413         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1414         overloaded support for vec_vinsert4b and vec_extract4b.
1415         * config/rs6000/rs6000.c (altivec_expand_builtin): Add checks for
1416         the vec_insert4b and vec_extract4b byte number being a constant in
1417         the range 0..11.
1418         * config/rs6000/altivec.h (vec_vinsert4b): Support vec_vinsert4b
1419         and vec_extract4b built-in functions.
1420         * doc/extend.doc (PowerPC VSX built-in functions): Document
1421         vec_insert4b and vec_extract4b.
1423 2016-12-14  Martin Liska  <mliska@suse.cz>
1425         * gimple-pretty-print.c (dump_probability): New function.
1426         (dump_edge_probability): Use the function.
1427         (dump_gimple_label): Likewise.
1428         (dump_gimple_bb_header): Likewise.
1430 2016-12-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1431             Jakub Jelinek  <jakub@redhat.com>
1433         * tree-ssa-strlen.c (fold_strstr_to_memcmp): New function.
1434         (strlen_optimize_stmt): Call fold_strstr_to_memcmp.
1436 2016-12-14  Eric Botcazou  <ebotcazou@adacore.com>
1438         * lra-constraints.c (process_address_1): Do not attempt to decompose
1439         addresses for MEMs that satisfy fixed-form constraints.
1441 2016-12-14  Richard Biener  <rguenther@suse.de>
1443         PR tree-optimization/78788
1444         * tree-vrp.c (set_value_range): Allow [-INF(OVF), +INF(OVF)].
1445         (set_and_canonicalize_value_range): Do not drop the above to
1446         VARYING.
1448 2016-12-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1450         * config/rs6000/rs600.c (rs6000_builtin_vectorization_cost):
1451         Adjust unaligned load cost.
1453 2016-12-13  Uros Bizjak  <ubizjak@gmail.com>
1455         PR target/78794
1456         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
1457         Calculate additional gain for andnot for targets without BMI.
1459 2016-12-13  Carl Love  <cel@us.ibm.com>
1461         * config/rs6000/rs6000-c.c: Add built-in support for
1462         vector float vec_pack (vector double, vector double)
1463         vector double vec_sld (vector double, vector double)
1464         * config/rs6000/rs6000.c: Add icode check for vsldoi_v2df to allow
1465         4-bit unsigned literal.
1466         * config/rs6000/rs6000-builtin.def: Add definition for VSLDOI_2DF
1467         * doc/extend.texi: Update the built-in documentation file for the
1468         new powerpc vec_pack and vec_sld built-ins.
1470 2016-12-13  Martin Liska  <mliska@suse.cz>
1472         * sanopt.c (sanopt_optimize_walker): Set contains_asan_mark.
1473         (sanopt_optimize): Add new argument.
1474         (sanitize_asan_mark_unpoison): New function.
1475         (maybe_contains_asan_check): Likewise.
1476         (sanitize_asan_mark_poison): Likewise.
1477         (pass_sanopt::execute): Call the new functions.
1479 2016-12-13  Martin Liska  <mliska@suse.cz>
1481         PR tree-optimization/78428
1482         * expr.c (store_constructor_field): Add new arguments to the function.
1483         (store_constructor): Set up bitregion_end and add gcc_unreachable to
1484         fields that have either non-constant size or (and) offset.
1486 2016-12-13  Marek Polacek  <polacek@redhat.com>
1488         * tree-data-ref.c (compute_overlap_steps_for_affine_univar): Change
1489         parameters' type from int to HOST_WIDE_INT.
1490         (compute_overlap_steps_for_affine_1_2): Change parameters' type from
1491         int to HOST_WIDE_INT.
1492         (build_classic_dist_vector_1): Likewise.
1493         (add_multivariate_self_dist): Likewise.
1495 2016-12-13  Michael Matz  <matz@suse.de>
1497         PR tree-optimization/78725
1498         * tree-ssa-loop-split.c (split_at_bb_p): Check for overflow and
1499         at correct use point.
1501 2016-12-13  Martin Liska  <mliska@suse.cz>
1503         * asan.c (asan_expand_mark_ifn): Use renamed
1504         BUILT_IN_ASAN_{UN}CLOBBER_N to BUILT_IN_ASAN_{UN}POISON_STACK_MEMORY.
1505         * sanitizer.def: Likewise.
1507 2016-12-13  James Greenhalgh  <james.greenhalgh@arm.com>
1509         * doc/extend.texi (Half-Precision): Update to document current
1510         compiler behaviour.
1512 2016-12-13  James Greenhalgh  <james.greenhalgh@arm.com>
1514         * doc/extend.texi (Floating Types): Document availability of
1515         _Float16 on ARM/AArch64.
1517 2016-12-13  Richard Biener  <rguenther@suse.de>
1519         PR tree-optimization/78699
1520         * tree-vect-data-refs.c (vect_analyze_group_access_1): Limit
1521         group size.
1523 2016-12-13  Richard Biener  <rguenther@suse.de>
1525         PR middle-end/78742
1526         * tree.c (cst_and_fits_in_hwi): Look if the actual value fits.
1527         * tree-object-size.c (compute_builtin_object_size): Use
1528         tree_fits_shwi_p.
1529         * tree-data-ref.c (initialize_matrix_A): Remove excess assert.
1531 2016-12-13  Martin Liska  <mliska@suse.cz>
1533         * asan.c (asan_mark_poison_p): Remove.
1534         (asan_mark_p): New function.
1535         (transform_statements): Use the function.
1536         (asan_expand_mark_ifn): Do not use masked enum.
1537         * asan.h (enum asan_mark_flags): Declare it via a macro.
1538         * gimple-pretty-print.c (dump_gimple_call_args): Dump first
1539         argument of ASAN_MARK.
1540         * gimplify.c (build_asan_poison_call_expr): Use new enum values.
1541         (asan_poison_variable): Likewise.
1543 2016-12-13  Jakub Jelinek  <jakub@redhat.com>
1545         PR ipa/77905
1546         * ipa-pure-const.c (cdtor_p): Return true for
1547         DECL_STATIC_{CON,DE}STRUCTOR even when it is
1548         DECL_LOOPING_CONST_OR_PURE_P.
1550 2016-12-12  Jakub Jelinek  <jakub@redhat.com>
1552         PR tree-optimization/78777
1553         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge,
1554         insert_initializers): Use stmt_ends_bb_p instead of is_ctrl_stmt.
1556         PR other/78766
1557         * opt-functions.awk (opt_args): Use [{] instead of { in regexps.
1558         Formatting fix.
1560 2016-12-12  Martin Sebor  <msebor@redhat.com>
1562         PR middle-end/78622
1563         PR middle-end78606
1564         * gimple-ssa-sprintf.c (min_bytes_remaining): Use res.knownrange
1565         rather than res.bounded.
1566         (get_width_and_precision): Set precision to -1 when negative.
1567         (adjust_range_for_overflow): New function.
1568         (format_integer): Correct the handling of the space, plus, and pound
1569         flags, and the special case of zero precision.
1570         Always set res.bounded to true unless either precision or width
1571         is specified and unknown.
1572         Call adjust_range_for_overflow.
1573         Avoid use zero as the shortest value when precision is specified
1574         but unknown.
1575         (format_directive): Remove vestigial quoting.  Always inform of
1576         argument value or range when it's available.
1577         (add_bytes): Correct the computation of boundrange used to
1578         decide whether a warning is of a "maybe" or "defnitely" kind.
1580 2016-12-12  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1582         * combine.c (change_zero_ext): Handle mode expanding zero_extracts.
1584 2016-12-12  Uros Bizjak  <ubizjak@gmail.com>
1586         PR target/78738
1587         * config/i386/i386.h (X87_ENABLE_ARITH): Also enable for
1588         flag_unsafe_math_optimizations.
1589         (X87_ENABLE_FLOAT): Ditto.
1591 2016-12-12  Marek Polacek  <polacek@redhat.com>
1593         PR middle-end/78716
1594         * gimplify.c (gimplify_va_arg_expr): Don't require ADDR_EXPR for
1595         Case 1; check POINTER_TYPE_P instead.
1597 2016-12-12  Bernd Schmidt  <bschmidt@redhat.com>
1599         PR rtl-optimization/78669
1600         * ira.c (combine_and_move_insns): When deleting an insn, clear the
1601         replace flag for all used regs in that insn.
1603 2016-12-12  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1605         * config/arm/arm-opts.h: Move struct arm_arch_core_flag and
1606         arm_arch_core_flags to ...
1607         * common/config/arm/arm-common.c: There.
1609 2016-12-12  Eric Botcazou  <ebotcazou@adacore.com>
1611         * config/sparc/constraints.md (T): Use special memory constraint.
1612         (U): Minor tweak.
1613         (W): Add TARGET_ARCH64 test.
1614         * config/sparc/sparc.md (*movdi_insn_sp32): Replace 'W' with 'T'.
1615         (*movdf_insn_sp32): Likewise.
1616         (*mov<VM64:mode>_insn_sp32): Likewise.  Replace 'e' with 'f' in
1617         conjunction with offsettable memory references.
1619 2016-12-11  Sandra Loosemore  <sandra@codesourcery.com>
1621         * config/nios2/nios2.c (nios2_emit_move_sequence): Call copy_rtx
1622         to avoid shared structure error.
1624 2016-12-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1626         PR target/78695
1627         * config/rs6000/rs6000.c (find_alignment_op): Discard from
1628         consideration any artificial definition.
1630 2016-12-11  Iain Sandoe  <iain@codesourcery.com>
1632         * configure.ac (CROSS directory tests): Remove the assumption that
1633         Darwin hosts contain suitable target sysroots in "/".
1634         * configure: Regenerate.
1636 2016-12-11  Iain Sandoe  <iain@codesourcery.com>
1638         PR rtl-optimization/71496
1639         * config/rs6000/darwin.md (load_macho_picbase_si): Mark as non-
1640         copyable.  (load_macho_picbase_di, reload_macho_picbase_si,
1641         reload_macho_picbase_di): Likewise.
1643 2012-12-11  John David Anglin  <danglin@gcc.gnu.org>
1645         * config/pa/pa.c (pa_callee_copies): New function.
1646         * config/pa/pa.opt (mcaller-copies): New option.
1647         * doc/invoke.texi (mcaller-copies): Document option.
1649 2016-12-11  Uros Bizjak  <ubizjak@gmail.com>
1651         PR target/70799
1652         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
1653         <case ASHIFT, case LSHIFTRT>: Consider all constant shifts.
1654         Add FIXME comment.
1655         (dimode_scalar_chain::compute_convert_gain): Reduce gain for
1656         constant shifts larger or equal than 32.
1658 2016-12-11  Roger Pau Monné  <roger.pau@citrix.com>
1660         * config/i386/x86-64.h: Append --32 to the assembler options when
1661         -m16 is used on non-glibc systems as well.
1663 2016-12-10  Allan Sandfeld Jensen  <allan.jensen@qt.io>
1665         PR target/70118
1666         * config/i386/mmintrin.h (__m64_u): New type
1667         * config/i386/emmintrin.h (_mm_loadl_epi64, _mm_storel_epi64):
1668         Make the allowed unaligned memory access explicit.
1670 2016-12-10  Krister Walfridsson  <krister.walfridsson@gmail.com>
1672         * config.gcc (i386-*-netbsd*): Make i486 the default arch on NetBSD.
1673         Generally use cpu generic.
1675 2016-12-10  Jakub Jelinek  <jakub@redhat.com>
1676             Marc Glisse  <marc.glisse@inria.fr>
1678         PR tree-optimization/78720
1679         * match.pd (A < 0 ? C : 0): Only optimize for signed A.  If shift
1680         is negative, sign extend to @1's type and than AND with C.
1682 2016-12-10  Jakub Jelinek  <jakub@redhat.com>
1684         PR fortran/78758
1685         * tree-object-size.c (compute_object_offset) <case ARRAY_REF>: Handle
1686         non-zero low bound or non-standard element sizes.
1688         PR sanitizer/78708
1689         * lto-streamer-in.c (input_function): In addition to debug stmts
1690         without -g, remove IFN_*SAN_* calls if corresponding flag_sanitize
1691         bit is not enabled.
1693 2016-12-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1695         * config/rs6000/rs6000-passes.def: New file.
1696         * config/rs6000/rs6000-protos.h: Declare make_pass_analyze_swaps.
1697         * config/rs6000/rs6000.c (rs6000_option_override): Remove
1698         registration of machine-specific passes.
1699         (pass_analyze_swaps::clone): New function.
1700         * config/rs6000/t-rs6000: Define PASSES_EXTRA.
1702 2016-12-09  Kugan Vivekanandarajah  <kuganv@linaro.org>
1704         PR ipa/78721
1705         * ipa-cp.c (propagate_vr_accross_jump_function): Call
1706         drop_tree_overflow after fold_convert.
1708 2016-12-09  Jakub Jelinek  <jakub@redhat.com>
1710         PR target/72742
1711         * config/rs6000/rs6000.md (*and<mode>3_imm_mask_dot,
1712         *and<mode>3_imm_mask_dot2): Add rs6000_is_valid_and_mask to insn
1713         condition.
1715 2016-12-09  Segher Boessenkool  <segher@kernel.crashing.org>
1717         PR target/78683
1718         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Use
1719         GET_MODE_BITSIZE.  Return 2.
1720         (CTZ_DEFINED_VALUE_AT_ZERO): Use GET_MODE_BITSIZE.  Return 2.  Handle
1721         TARGET_POPCNTD the same as TARGET_CTZ.
1722         * config/rs6000/rs6000.md (ctz<mode>2): Reimplement.
1723         (ffs<mode>2): Reimplement.
1725 2016-12-09  Andre Vieira <andre.simoesdiasvieira@arm.com>
1727         PR rtl-optimization/78255
1728         * gcc/postreload.c (reload_cse_simplify): Do not CSE a function if
1729         NO_FUNCTION_CSE is true.
1731 2016-12-09  Cesar Philippidis  <cesar@codesourcery.com>
1733         PR ipa/78027
1734         * ipa-icf.c (sem_function::parse): Don't process functions with
1735         oacc decl attributes, as they may be OpenACC routines.
1737 2016-12-09  David Malcolm  <dmalcolm@redhat.com>
1739         * rtl.h (get_mem_attrs): Add "const" qualifier to returned
1740         pointer.
1742 2016-12-09  Nathan Sidwell  <nathan@acm.org>
1744         PR C++/78550
1745         * convert.c (convert_to_integer_1): Maybe fold conversions to
1746         integral types with fewer bits than its mode.
1748 2016-12-09  Martin Liska  <mliska@suse.cz>
1750         * tree-pretty-print.c (pretty_print_string): Escape non-printable
1751         chars in strings.
1753 2016-12-09  Jakub Jelinek  <jakub@redhat.com>
1755         PR tree-optimization/78726
1756         * tree-ssa-reassoc.c (make_new_ssa_for_def): Add OPCODE and OP
1757         argument.  For lhs uses in debug stmts, don't replace lhs with
1758         new_lhs, but with a debug temp set to new_lhs opcode op.
1759         (make_new_ssa_for_all_defs): Add OPCODE argument, pass OPCODE and
1760         OP down to make_new_ssa_for_def.
1761         (zero_one_operation): Call make_new_ssa_for_all_defs even when
1762         stmts_to_fix is empty, if *def has not changed yet.  Pass
1763         OPCODE to make_new_ssa_for_all_defs.
1765 2016-12-08  Martin Sebor  <msebor@redhat.com>
1767         PR c/78284
1768         * builtin-attrs.def (ATTR_ALLOC_SIZE, ATTR_RETURNS_NONNULL): New
1769         identifier tree nodes.
1770         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): New attribute list.
1771         (ATTR_MALLOC_SIZE_1_NOTHROW_LIST): Same.
1772         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Same.
1773         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST): Same.
1774         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Same.
1775         * builtins.c (expand_builtin_alloca): Call
1776         maybe_warn_alloc_args_overflow.
1777         * builtins.def (aligned_alloc, calloc, malloc, realloc):
1778         Add attribute alloc_size.
1779         (alloca): Add attribute alloc_size and returns_nonnull.
1780         * calls.h (maybe_warn_alloc_args_overflow): Declare.
1781         * calls.c (alloc_max_size, operand_signed_p): New functions.
1782         (maybe_warn_alloc_args_overflow): Define.
1783         (initialize_argument_information): Diagnose overflow in functions
1784         declared with attaribute alloc_size.
1785         * doc/invoke.texi (Warning Options): Document -Walloc-zero and
1786         -Walloc-size-larger-than.
1788 2016-12-08  Vladimir Makarov  <vmakarov@redhat.com>
1790         PR rtl-optimization/78671
1791         * lra-assign.c (find_hard_regno_for_1): Check prohibited regs for an
1792         allocno class.
1794 2016-12-08  Uros Bizjak  <ubizjak@gmail.com>
1796         * config/i386/i386.h (HARD_REGNO_NREGS): Use GENERAL_REGNO_P.
1797         (HARD_REGNO_NREGS_HAS_PADDING): Ditto.  Simplify macro.
1799 2015-12-08  Wilco Dijkstra  <wdijkstr@arm.com>
1801         PR target/78733
1802         * config/aarch64/aarch64.c (aarch64_classify_address):
1803         Set load_store_pair_p for TImode and TFmode.
1805 2016-12-08  David Malcolm  <dmalcolm@redhat.com>
1807         * emit-rtl.c (gen_reg_rtx): Move regno_pointer_align and
1808         regno_reg_rtx resizing logic to...
1809         (emit_status::ensure_regno_capacity): ...this new method,
1810         and ensure that the buffers are large enough.
1811         (init_emit): Allocate regno_reg_rtx using ggc_cleared_vec_alloc
1812         rather than ggc_vec_alloc.
1813         * function.h (emit_status::ensure_regno_capacity): New method.
1815 2016-12-08  Dmitry Vyukov  <dvyukov@google.com>
1817         * opts.c (finish_options): Enable -fsanitize-address-use-after-scope
1818         only if -fsanitize=address is enabled (not -fsanitize=kernel-address).
1819         * doc/invoke.texi (-fsanitize=kernel-address):
1820         Don't say that it enables -fsanitize-address-use-after-scope.
1822 2016-12-08  Bin Cheng  <bin.cheng@arm.com>
1824         PR middle-end/78684
1825         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Check
1826         sign bit for index step of data reference.
1828 2016-12-08  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
1830         * config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
1831         Handle SYMBOL_SMALL_TLSGD for ILP32.
1832         * config/aarch64/aarch64.md : tlsgd_small modified into
1833         tlsgd_small_<mode> to support SImode and DImode.
1834         *tlsgd_small modified into *tlsgd_small_<mode> to support SImode and
1835         DImode.
1837 2016-12-08  Andrew Pinski  <apinski@cavium.com>
1839         * config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
1840         Access the lower part of RTX appropriately.
1842 2016-12-07  David Malcolm  <dmalcolm@redhat.com>
1844         * genpreds.c (write_tm_constrs_h): Update for renaming of
1845         rtx_reader_ptr to md_reader_ptr.
1846         (write_tm_preds_h): Likewise.
1847         (write_insn_preds_c): Likewise.
1848         * read-md.c (rtx_reader_ptr): Rename to...
1849         (md_reader_ptr): ...this, and convert from an
1850         rtx_reader * to a md_reader *.
1851         (rtx_reader::set_md_ptr_loc): Rename to...
1852         (md_reader::set_md_ptr_loc): ...this.
1853         (rtx_reader::get_md_ptr_loc): Rename to...
1854         (md_reader::get_md_ptr_loc): ...this.
1855         (rtx_reader::copy_md_ptr_loc): Rename to...
1856         (md_reader::copy_md_ptr_loc): ...this.
1857         (rtx_reader::fprint_md_ptr_loc): Rename to...
1858         (md_reader::fprint_md_ptr_loc): ...this.
1859         (rtx_reader::print_md_ptr_loc): Rename to...
1860         (md_reader::print_md_ptr_loc): ...this.
1861         (rtx_reader::join_c_conditions): Rename to...
1862         (md_reader::join_c_conditions): ...this.
1863         (rtx_reader::fprint_c_condition): ...this.
1864         (rtx_reader::print_c_condition): Rename to...
1865         (md_reader::print_c_condition): ...this.
1866         (fatal_with_file_and_line):  Update for renaming of
1867         rtx_reader_ptr to md_reader_ptr.
1868         (rtx_reader::require_char): Rename to...
1869         (md_reader::require_char): ...this.
1870         (rtx_reader::require_char_ws): Rename to...
1871         (md_reader::require_char_ws): ...this.
1872         (rtx_reader::require_word_ws): Rename to...
1873         (md_reader::require_word_ws): ...this.
1874         (rtx_reader::read_char): Rename to...
1875         (md_reader::read_char): ...this.
1876         (rtx_reader::unread_char): Rename to...
1877         (md_reader::unread_char): ...this.
1878         (rtx_reader::peek_char): Rename to...
1879         (md_reader::peek_char): ...this.
1880         (rtx_reader::read_name): Rename to...
1881         (md_reader::read_name): ...this.
1882         (rtx_reader::read_escape): Rename to...
1883         (md_reader::read_escape): ...this.
1884         (rtx_reader::read_quoted_string): Rename to...
1885         (md_reader::read_quoted_string): ...this.
1886         (rtx_reader::read_braced_string): Rename to...
1887         (md_reader::read_braced_string): ...this.
1888         (rtx_reader::read_string): Rename to...
1889         (md_reader::read_string): ...this.
1890         (rtx_reader::read_skip_construct): Rename to...
1891         (md_reader::read_skip_construct): ...this.
1892         (rtx_reader::handle_constants): Rename to...
1893         (md_reader::handle_constants): ...this.
1894         (rtx_reader::traverse_md_constants): Rename to...
1895         (md_reader::traverse_md_constants): ...this.
1896         (rtx_reader::handle_enum): Rename to...
1897         (md_reader::handle_enum): ...this.
1898         (rtx_reader::lookup_enum_type): Rename to...
1899         (md_reader::lookup_enum_type): ...this.
1900         (rtx_reader::traverse_enum_types): Rename to...
1901         (md_reader::traverse_enum_types): ...this.
1902         (rtx_reader::rtx_reader): Rename to...
1903         (md_reader::md_reader): ...this, and update for renaming of
1904         rtx_reader_ptr to md_reader_ptr.
1905         (rtx_reader::~rtx_reader): Rename to...
1906         (md_reader::~md_reader): ...this, and update for renaming of
1907         rtx_reader_ptr to md_reader_ptr.
1908         (rtx_reader::handle_include): Rename to...
1909         (md_reader::handle_include): ...this.
1910         (rtx_reader::handle_file): Rename to...
1911         (md_reader::handle_file): ...this.
1912         (rtx_reader::handle_toplevel_file): Rename to...
1913         (md_reader::handle_toplevel_file): ...this.
1914         (rtx_reader::get_current_location): Rename to...
1915         (md_reader::get_current_location): ...this.
1916         (rtx_reader::add_include_path): Rename to...
1917         (md_reader::add_include_path): ...this.
1918         (rtx_reader::read_md_files): Rename to...
1919         (md_reader::read_md_files): ...this.
1920         * read-md.h (class rtx_reader): Split into...
1921         (class md_reader): ...new class.
1922         (rtx_reader_ptr): Rename to...
1923         (md_reader_ptr): ...this, and convert to a md_reader *.
1924         (class noop_reader): Update base class to be md_reader.
1925         (class rtx_reader): Reintroduce as a subclass of md_reader.
1926         (rtx_reader_ptr): Reintroduce as a rtx_reader *.
1927         (read_char): Update for renaming of rtx_reader_ptr to
1928         md_reader_ptr.
1929         (unread_char): Likewise.
1930         * read-rtl.c (rtx_reader_ptr): New global.
1931         (rtx_reader::apply_iterator_to_string): Rename to...
1932         (md_reader::apply_iterator_to_string): ...this.
1933         (rtx_reader::copy_rtx_for_iterators): Rename to...
1934         (md_reader::copy_rtx_for_iterators): ...this.
1935         (rtx_reader::read_conditions): Rename to...
1936         (md_reader::read_conditions): ...this.
1937         (rtx_reader::record_potential_iterator_use): Rename to...
1938         (md_reader::record_potential_iterator_use): ...this.
1939         (rtx_reader::read_mapping): Rename to...
1940         (md_reader::read_mapping): ...this.
1941         (rtx_reader::read_rtx): Use rtx_reader_ptr when calling
1942         read_rtx_code.
1943         (rtx_reader::read_rtx_operand): Use get_string_obstack rather
1944         than directly accessing m_string_obstack.
1945         (rtx_reader::rtx_reader): New ctor.
1946         (rtx_reader::~rtx_reader): New dtor.
1948 2016-12-07  Martin Sebor  <msebor@redhat.com>
1950         PR middle-end/77784
1951         PR middle-end/78149
1952         PR middle-end/78138
1954         * builtins.c (expand_builtin_strcat, expand_builtin_strncat): New
1955         functions.
1956         (compute_dest_size, get_size_range, check_sizes, check_strncat_sizes)
1957         (check_memop_sizes): Same.
1958         (expand_builtin_memcpy): Call check memop_sizes.
1959         (expand_builtin_mempcpy): Same.
1960         (expand_builtin_memset): Same,
1961         (expand_builtin_bzero): Same.
1962         (expand_builtin_memory_chk): Call check_sizes.
1963         (expand_builtin_strcpy): Same.
1964         (expand_builtin_strncpy): Same.
1965         (maybe_emit_sprintf_chk_warning): Same.
1966         (expand_builtin): Handle strcat and strncat.
1967         (fini_object_sizes): Reset pointers.
1968         (compute_object_size): New function.
1969         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
1970         Avoid issuing warnings also issued during built-in expansion.
1971         * doc/invoke.texi (Warning Options): Document -Wstringop-overflow.
1973 2016-12-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1975         PR target/72717
1976         * config/rs6000/rs6000.c (rs6000_expand_vector_init): If the
1977         V2DImode elements are SUBREG's convert the result into DImode
1978         rather than failing in emit_move_insn.
1980 2016-12-07  Jakub Jelinek  <jakub@redhat.com>
1982         * builtins.c (fold_builtin_strstr): Removed.
1983         (fold_builtin_2): Don't call fold_builtin_strstr.
1984         * gimple-fold.c (gimple_fold_builtin_strchr): Check is_strrchr
1985         earlier in the strrchr (x, 0) -> strchr (x, 0) optimization.
1986         (gimple_fold_builtin_strstr): New function.
1987         (gimple_fold_builtin): Call it.
1988         * fold-const-call.c (fold_const_call): Handle CFN_BUILT_IN_STRSTR.
1990         PR c++/78692
1991         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Set lhs
1992         var to lhs of new_stmt right before noreturn handling rather than to
1993         lhs of e->call_stmt early.
1995 2016-12-07  David Malcolm  <dmalcolm@redhat.com>
1997         * read-md.c (rtx_reader::require_char): New method.
1998         (require_char_ws): Convert from function to...
1999         (rtx_reader::require_char_ws): ...method.
2000         (rtx_reader::require_word_ws): New method.
2001         * read-md.h (rtx_reader::require_char): New method decl.
2002         (require_char_ws): Remove global decl in favor of...
2003         (rtx_reader::require_char_ws): ...new method decl.
2004         (rtx_reader::require_word_ws): New method decl.
2005         (rtx_reader::peek_char): New method decl.
2007 2016-12-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2009         PR rtl-optimization/78617
2010         * lra-remat.c (do_remat): Initialize live_hard_regs from live in
2011         registers, also setting hard registers mapped to pseudo registers.
2013 2016-12-07  David Malcolm  <dmalcolm@redhat.com>
2015         * cfgexpand.c (pass_expand::execute): Move stack initializations
2016         to rtl_data::init_stack_alignment and call it.
2017         * emit-rtl.c (rtl_data::init_stack_alignment): New method.
2018         * emit-rtl.h (rtl_data::init_stack_alignment): New method.
2020 2016-12-07  Wilco Dijkstra  <wdijkstr@arm.com>
2022         * gcc/ira.c (ira_setup_eliminable_regset): Initialize crtl->is_leaf.
2023         (ira): Move initialization of crtl->is_leaf earlier.
2025 2016-12-07  Wilco Dijkstra  <wdijkstr@arm.com>
2027         * config/aarch64/aarch64.md (movti_aarch64): Change Ump to m.
2028         (movtf_aarch64): Likewise.
2029         * config/aarch64/aarch64.c (aarch64_classify_address):
2030         Use correct intersection of offsets.
2031         (aarch64_legitimize_address_displacement): Use 9-bit signed offsets.
2032         (aarch64_legitimize_address): Use 9-bit signed offsets for TI/TF mode.
2033         Use 7-bit signed scaled mode for modes > 16 bytes.
2035 2016-12-07  James Greenhalgh  <james.greenhalgh@arm.com>
2037         PR rtl-optimization/78561
2038         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p) Use
2039         constant_pool_empty_p in place of get_pool_size_upper_bound.
2040         (rs6000_stack_info): Likewise.
2041         (rs6000_emit_prologue): Likewise.
2042         (rs6000_elf_declare_function_name): Likewise.
2043         (rs6000_set_up_by_prologue): Likewise.
2044         (rs6000_can_eliminate): Likewise.
2045         * output.h (get_pool_size_upper_bound): Delete.
2046         (constant_pool_empty_p): New.
2047         * varasm.c (get_pool_size_upper_bound): Delete
2048         (constant_pool_empty_p): New.
2050 2016-12-07  Bin Cheng  <bin.cheng@arm.com>
2052         PR tree-optimization/78691
2053         * match.pd ((convert1 (minmax ((convert2 (x) c)))) -> minmax (x c)):
2054         Require integral type for the outer expression.
2056 2016-12-07  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
2058         * config/aarch64/aarch64.c
2059         (aarch64_builtin_support_vector_misalignment): New.
2060         (TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT): Define.
2062 2016-12-06  David Malcolm  <dmalcolm@redhat.com>
2064         PR bootstrap/78705
2065         * config/i386/i386.c (ix86_test_dumping_memory_blockage):
2066         Conditionalize the string comparison on Pmode == DImode.
2068 2016-12-06  Tom de Vries  <tom@codesourcery.com>
2070         PR tree-optimization/67955
2071         * tree-ssa-alias.c (same_addr_size_stores_p): New function.
2072         (stmt_kills_ref_p): Use it.
2074 2016-12-06  Eric Botcazou  <ebotcazou@adacore.com>
2076         PR middle-end/78700
2077         * calls.c (expand_call): Move back call to prepare_call_address.
2079 2016-12-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2081         PR target/78658
2082         * config/rs6000/rs6000.md (zero_extendqi<mode>2): Use ^ instead of
2083         ?* constraints for the ISA 3.0 patterns, so the register allocator
2084         is more likely to allocate QImode/HImode to vector registers for
2085         conversion to floating point unless a reload is needed.
2086         (zero_extendhi<mode>2): Likewise.
2087         (float<QHI:mode><FP_ISA3:mode>2_internal): Properly deal with the
2088         first alternative which is converting QImode/HImode to floating
2089         point and the QImode/HImode value is in a vector register, and
2090         does not allocate the second pseudo register.  Remove zero
2091         extending into traditional floating point registers, since the
2092         instruction used only works on traditional altivec registers.
2093         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
2095 2016-12-06  David Malcolm  <dmalcolm@redhat.com>
2097         * config/i386/i386.c: Include print-rtl.h.
2098         (selftest::ix86_test_dumping_memory_blockage): New function.
2099         (selftest::ix86_run_selftests): Call it.
2100         * print-rtl-function.c (print_rtx_function): Create an
2101         rtx_reuse_manager and use it.
2102         * print-rtl.c: Include "rtl-iter.h".
2103         (rtx_writer::rtx_writer): Add reuse_manager param.
2104         (rtx_reuse_manager::rtx_reuse_manager): New ctor.
2105         (uses_rtx_reuse_p): New function.
2106         (rtx_reuse_manager::preprocess): New function.
2107         (rtx_reuse_manager::has_reuse_id): New function.
2108         (rtx_reuse_manager::seen_def_p): New function.
2109         (rtx_reuse_manager::set_seen_def): New function.
2110         (rtx_writer::print_rtx): If "in_rtx" has a reuse ID, print it as a
2111         prefix the first time in_rtx is seen, and print reuse_rtx
2112         subsequently.
2113         (print_inline_rtx): Supply NULL for new reuse_manager param.
2114         (debug_rtx): Likewise.
2115         (print_rtl): Likewise.
2116         (print_rtl_single): Likewise.
2117         (rtx_writer::print_rtl_single_with_indent): Likewise.
2118         * print-rtl.h: Include bitmap.h when building for host.
2119         (rtx_writer::rtx_writer): Add reuse_manager param.
2120         (rtx_writer::m_rtx_reuse_manager): New field.
2121         (class rtx_reuse_manager): New class.
2122         * rtl-tests.c (selftest::assert_rtl_dump_eq): Add reuse_manager
2123         param and use it when constructing rtx_writer.
2124         (selftest::test_dumping_rtx_reuse): New function.
2125         (selftest::rtl_tests_c_tests): Call it.
2126         * selftest-rtl.h (class rtx_reuse_manager): New forward decl.
2127         (selftest::assert_rtl_dump_eq): Add reuse_manager param.
2128         (ASSERT_RTL_DUMP_EQ): Supply NULL for reuse_manager param.
2129         (ASSERT_RTL_DUMP_EQ_WITH_REUSE): New macro.
2131 2016-12-06  Vladimir Makarov  <vmakarov@redhat.com>
2133         PR target/77761
2134         * lra-lives.c (process_bb_lives): Update biggest mode for
2135         implicitly used hard reg.
2137 2016-12-06  Uros Bizjak  <ubizjak@gmail.com>
2139         * config/i386/predicates.md (general_gr_operand): New predicate.
2140         * config/i386/i386.md (TImode and DImode push_operand splitter):
2141         Use general_gr_operand.  Macroize using DWI mode macro.
2142         (TImode and DImode nonimmediate_operand splitter): Use
2143         nonimmediate_gr_operand and general_gr_operand.  Macroize using
2144         DWI mode macro.
2145         (TF/XF/DFmode push_operand splitter): Use general_gr_operand.
2146         (TFmode nonimmediate_operand splitter): Use nonimmediate_gr_operand
2147         and general_gr_operand.
2148         (XFmode nonimmediate_operand splitter): Ditto.
2149         (DFmode nonimmediate_operand splitter): Ditto.
2150         * config/i386/mmx.md (MMXMODE nonimmediate_operand splitter): Ditto.
2152 2016-12-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2154         * config/arm/arm-cores.def (cortex-m23, cortex-m33): Move into
2155         alphabetical order with respect to other ARMv8 processors.
2156         * config/arm/arm-tables.opt: Regenerate.
2157         * config/arm/arm-tune.md: Likewise.
2159 2016-12-06  Robert Suchanek  <robert.suchanek@imgtec.com>
2161         * config/mips/mips.c (mips_expand_builtin_insn): Check input
2162         ranges of literal integer arguments.
2164 2016-12-06  Aldy Hernandez  <aldyh@redhat.com>
2166         PR middle-end/78548
2167         * tree-ssa-uninit.c (simplify_preds_4): Call release() instead of
2168         destroy_predicate_vecs.
2169         (uninit_uses_cannot_happen): Make uninit_preds a scalar.
2171 2016-12-06  Aldy Hernandez  <aldyh@redhat.com>
2173         PR middle-end/78566
2174         * tree-ssa-uninit.c (can_one_predicate_be_invalidated_p): Change
2175         argument type to a pred_chain.
2176         (can_chain_union_be_invalidated_p): Use pred_chain instead of a
2177         worklist.
2178         (flatten_out_predicate_chains): Remove.
2179         (uninit_uses_cannot_happen): Rename from
2180         uninit_ops_invalidate_phi_use.
2181         Change logic so that we are checking that the PHI use will
2182         invalidate _ALL_ possibly uninitialized operands.
2183         (is_use_properly_guarded): Rename call to
2184         uninit_ops_invalidate_phi_use into uninit_uses_cannot_happen.
2186 2016-12-06  Tamar Christina  <tamar.christina@arm.com>
2188         * gcc/config/aarch64/arm_neon.h
2189         (vreinterpretq_p8_p128, vreinterpretq_p16_p128): Added.
2190         (vreinterpret_p64_p16, vreinterpretq_p64_p128): Likewise.
2191         (vreinterpretq_p64_p16, vreinterpretq_p128_p8): Likewise.
2192         (vreinterpretq_p128_p16, vreinterpretq_p128_f16): Likewise.
2193         (vreinterpretq_p128_f32, vreinterpretq_p128_p64): Likewise.
2194         (vreinterpretq_p128_s64, vreinterpretq_p128_u64): Likewise.
2195         (vreinterpretq_p128_s8, vreinterpretq_p128_s16): Likewise.
2196         (vreinterpretq_p128_s32, vreinterpretq_p128_u8): Likewise.
2197         (vreinterpretq_p128_u16, vreinterpretq_p128_u32): Likewise.
2198         (vreinterpretq_f16_p128, vreinterpretq_f32_p128): Likewise.
2199         (vreinterpretq_s64_p128, vreinterpretq_u64_p128): Likewise.
2200         (vreinterpretq_s8_p128, vreinterpretq_s16_p128): Likewise.
2201         (vreinterpretq_s32_p128, vreinterpretq_u8_p128): Likewise.
2202         (vreinterpretq_u16_p128, vreinterpretq_u32_p128): Likewise.
2204 2016-12-06  Jakub Jelinek  <jakub@redhat.com>
2206         PR c++/71537
2207         * fold-const.c (fold_comparison): Assume CONSTANT_CLASS_P (base0)
2208         plus offset is non-zero.  For maybe_nonzero_address decl base0,
2209         require indirect_base0.
2211         PR c++/71537
2212         * fold-const-call.c (fold_const_call_1): Remove memchr handling here.
2213         (fold_const_call) <case CFN_BUILT_IN_STRNCMP,
2214         case CFN_BUILT_IN_STRNCASECMP>: Formatting improvements.
2215         (fold_const_call) <case CFN_BUILT_IN_MEMCMP>: Likewise.  If s2 is 0
2216         and arguments have no side-effects, return 0.
2217         (fold_const_call): Handle CFN_BUILT_IN_MEMCHR.
2219         PR c++/71537
2220         * fold-const-call.c (fold_const_call): Handle
2221         CFN_BUILT_IN_{INDEX,STRCHR,RINDEX,STRRCHR}.
2223         PR tree-optimization/78675
2224         * tree-vect-loop.c (vectorizable_live_operation): For
2225         VECTOR_BOOLEAN_TYPE_P vectype use integral type with bitsize precision
2226         instead of TREE_TYPE (vectype) for the BIT_FIELD_REF.
2228 2016-12-06  Eric Botcazou  <ebotcazou@adacore.com>
2230         PR middle-end/78642
2231         * emit-rtl.c (verify_rtx_sharing) <CLOBBER>: Relax condition.
2232         (copy_rtx_if_shared_1) <CLOBBER>: Likewise.
2233         (copy_insn_1) <CLOBBER>: Likewise.
2235 2016-12-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
2237         PR target/78688
2238         * config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Use IN_RANGE
2239         instead of ((N) >= (X) && (N) <= (Y-X)) to silence warnings about
2240         comparing signed to unsigned values.
2241         (FUNCTION_ARG_REGNO_P): Likewise.
2243 2016-12-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2244             Stefan Freudenberger  <stefan@reservoir.com>
2246         PR tree-optimization/78646
2247         * gimple-ssa-strength-reduction.c (replace_ref): The pointer
2248         addition used for the memory base expression should have the type
2249         of the candidate.
2251 2016-12-05  Waldemar Brodkorb  <wbx@openadk.org>
2253         PR target/71721
2254         * config.gcc (*-*-uclinux*): Enable posix threads.
2256 2016-12-05  Andrew Senkevich  <andrew.senkevich@intel.com>
2258         * config/i386/avx512bwintrin.h: Add new k-mask intrinsics.
2259         * config/i386/avx512dqintrin.h: Ditto.
2260         * config/i386/avx512fintrin.h: Ditto.
2261         * config/i386/i386-builtin-types.def (UCHAR_FTYPE_UQI_UQI_PUCHAR,
2262         UCHAR_FTYPE_UHI_UHI_PUCHAR, UCHAR_FTYPE_USI_USI_PUCHAR,
2263         UCHAR_FTYPE_UDI_UDI_PUCHAR, UCHAR_FTYPE_UQI_UQI, UCHAR_FTYPE_UHI_UHI,
2264         UCHAR_FTYPE_USI_USI, UCHAR_FTYPE_UDI_UDI, UQI_FTYPE_UQI_INT,
2265         UHI_FTYPE_UHI_INT, USI_FTYPE_USI_INT, UDI_FTYPE_UDI_INT,
2266         UQI_FTYPE_UQI, USI_FTYPE_USI, UDI_FTYPE_UDI, UQI_FTYPE_UQI_UQI): New
2267         function types.
2268         * config/i386/i386-builtin.def (__builtin_ia32_knotqi,
2269         __builtin_ia32_knotsi, __builtin_ia32_knotdi,
2270         __builtin_ia32_korqi, __builtin_ia32_korsi, __builtin_ia32_kordi,
2271         __builtin_ia32_kxnorqi, __builtin_ia32_kxnorsi,
2272         __builtin_ia32_kxnordi, __builtin_ia32_kxorqi, __builtin_ia32_kxorsi,
2273         __builtin_ia32_kxordi, __builtin_ia32_kandqi,
2274         __builtin_ia32_kandsi, __builtin_ia32_kanddi, __builtin_ia32_kandnqi,
2275         __builtin_ia32_kandnsi, __builtin_ia32_kandndi): New.
2276         * config/i386/i386.c (ix86_expand_args_builtin): Handle new types.
2278 2016-12-05  Segher Boessenkool  <segher@kernel.crashing.org>
2280         * combine.c: Revert r243162.
2282 2016-12-05  Paolo Bonzini  <bonzini@gnu.org>
2284         * match.pd: Simplify X ? C : 0 where C is a power of 2 and
2285         X tests a single bit.
2287 2016-12-05  Nathan Sidwell  <nathan@acm.org>
2289         * diagnostic.c (diagnostic_check_max_errors): New, broken out of ...
2290         (diagnostic_action_after_output): ... here.
2291         (diagnostic_report_diagnostic): Call it for non-notes.
2292         * diagnostic.h (struct diagnostic_context): Make max_errors signed int.
2293         (diagnostic_check_max_errors): Declare.
2295 2016-12-05  Cupertino Miranda  <cmiranda@synopsys.com>
2297         * config/arc/arc.h (STARTFILE_SPEC): Use default linux specs.
2298         (ENDFILE_SPEC): Likewise.
2300 2016-12-05  Claudiu Zissulescu  <claziss@synopsys.com>
2302         * config/arc/arc-protos.h (insn_is_tls_gd_dispatch): Remove.
2303         * config/arc/arc.c (arc_unspec_offset): New function.
2304         (arc_finalize_pic): Change.
2305         (arc_emit_call_tls_get_addr): Likewise.
2306         (arc_legitimize_tls_address): Likewise.
2307         (arc_legitimize_pic_address): Likewise.
2308         (insn_is_tls_gd_dispatch): Remove.
2309         * config/arc/arc.h (INSN_REFERENCES_ARE_DELAYED): Change.
2310         * config/arc/arc.md (ls_gd_load): Remove unused pattern.
2311         (tls_gd_dispatch): Likewise.
2313 2016-12-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2315         * config/arm/arm.c (TARGET_ASM_INIT_SECTIONS): Fix wrong undef
2316         location.
2318 2016-12-05  Eric Botcazou  <ebotcazou@adacore.com>
2320         * config/sparc/sparc-protos.h (sparc_splitdi_legitimate): Rename to...
2321         (sparc_split_reg_mem_legitimate): ...this.
2322         (sparc_split_reg_mem): Declare.
2323         (sparc_split_mem_reg): Likewise.
2324         (sparc_split_regreg_legitimate): Rename to...
2325         (sparc_split_reg_reg_legitimate): ...this.
2326         * config/sparc/sparc.c (sparc_splitdi_legitimate): Rename to...
2327         (sparc_split_reg_mem_legitimate): ...this.
2328         (sparc_split_reg_mem): New function.
2329         (sparc_split_mem_reg): Likewise.
2330         (sparc_split_regreg_legitimate): Rename to...
2331         (sparc_split_reg_reg_legitimate): ...this.
2332         (sparc_split_reg_reg): New function.
2333         * config/sparc/sparc.md (lra): Remove "none" value.
2334         (enabled): Adjust to above change.
2335         (*movdi_insn_sp32): Remove new (r,T) alternative and reorder others.
2336         (DImode splitters): Adjust to above renamings and use new functions.
2337         (*movdf_insn_sp32): Remove new (r,T) alternative and reorder others.
2338         (DFmode splitters): Adjust to above renamings and use new functions.
2339         (*mov<VM64:mode>_insn_sp64): Replace C with Z constraint and use W
2340         constraint in conjunction with e.
2341         (*mov<VM64:mode>_insn_sp32): Remove new (r,T) alternative, add (o,Y)
2342         alternative and reorder others.
2343         (VM64:mode splitters): Adjust to above renamings and use new functions.
2345 2016-12-04  Martin Sebor  <msebor@redhat.com>
2347         PR c/78668
2348         * builtin-attrs.def (ATTR_ALLOC_SIZE, ATTR_RETURNS_NONNULL): New
2349         identifier tree nodes.
2350         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): New attribute list.
2351         (ATTR_MALLOC_SIZE_1_NOTHROW_LIST): Same.
2352         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Same.
2353         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST): Same.
2354         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Same.
2355         * builtins.def (aligned_alloc, calloc, malloc, realloc):
2356         Add attribute alloc_size.
2357         (alloca): Add attribute alloc_size and returns_nonnull.
2359 2016-12-04  Uros Bizjak  <ubizjak@gmail.com>
2361         PR target/70322
2362         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Handle NEG.
2363         (dimode_scalar_chain::compute_convert_gain): Ditto.
2364         (dimode_scalar_chain::convert_insn): Ditto.
2366 2016-12-03  Eric Botcazou  <ebotcazou@adacore.com>
2368         * lra-constraints.c (emit_spill_move): Use gen_lowpart_SUBREG in all
2369         cases to build a lowpart SUBREG.
2371 2016-12-03  Eric Botcazou  <ebotcazou@adacore.com>
2372             David S. Miller  <davem@davemloft.net>
2374         * config/sparc/constraints.md (U): Adjust comment.
2375         * config/sparc/sparc.md (lra): New attribute.
2376         (enabled): For base instructions, if the lra attribute is set,
2377         return 1 if it is in keeping with TARGET_LRA.
2378         (*movdi_insn_sp32): Add lra attribute for alternatives mentioning U
2379         constraint and duplicate them with U replaced by r.
2380         (*movdf_insn_sp32): Likewise.
2381         (*mov<VM64:mode>_insn_sp32): Likewise.
2382         (*movtf_insn_sp32): Remove alternatives mentioning U constraint.
2384 2016-12-02  Jeff Law  <law@redhat.com>
2386         * config/arm/arm.c (arm_handle_cmse_nonsecure_call): Remove unused
2387         variable main_variant.
2389 2016-12-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2391         * config.gcc (powerpc*-*-linux*): Set gnu-indirect-function by
2392         default on PowerPC linux systems.
2394 2016-12-02  Segher Boessenkool  <segher@kernel.crashing.org>
2396         PR rtl-optimization/78638
2397         * simplify-rtx.c (simplify_truncation): M2 is not mode, it is
2398         GET_MODE (op).  Fix this.
2400 2016-12-02  David Malcolm  <dmalcolm@redhat.com>
2402         PR bootstrap/78616
2403         * selftest.c (selftest::assert_strndup_eq): Rename to...
2404         (selftest::assert_xstrndup_eq): ...this, and remove call to
2405         strndup.
2406         (selftest::test_strndup): Rename to...
2407         (selftest::test_xstrndup): ...this, updating for above renaming.
2408         (selftest::test_libiberty): Update for renaming.
2410 2016-12-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2412         PR target/78639
2413         * config/rs6000/rs6000.md (movdi_internal64): Fix typo in
2414         subversion id 242679 that causes the wrong store instruction to be
2415         generated if a DImode is in an Altivec register using REG+REG
2416         addressing.
2418 2016-12-02  Uros Bizjak  <ubizjak@gmail.com>
2420         PR target/70322
2421         * config/i386/i386.md (*andndi3_doubleword): Add non-BMI alternative
2422         and corresponding post-reload splitter.
2424 2016-12-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2426         * config/aarch64/aarch64.h (machine_function): Add
2427         reg_is_wrapped_separately field.
2428         * config/aarch64/aarch64.md (LAST_SAVED_REGNUM): Define new constant.
2429         * config/aarch64/aarch64.c (emit_set_insn): Change return type to
2430         rtx_insn *.
2431         (aarch64_save_callee_saves): Don't save registers that are wrapped
2432         separately.
2433         (aarch64_restore_callee_saves): Don't restore registers that are
2434         wrapped separately.
2435         (offset_9bit_signed_unscaled_p, offset_12bit_unsigned_scaled_p,
2436         aarch64_offset_7bit_signed_scaled_p): Move earlier in the file.
2437         (aarch64_get_separate_components): New function.
2438         (aarch64_get_next_set_bit): Likewise.
2439         (aarch64_components_for_bb): Likewise.
2440         (aarch64_disqualify_components): Likewise.
2441         (aarch64_emit_prologue_components): Likewise.
2442         (aarch64_emit_epilogue_components): Likewise.
2443         (aarch64_set_handled_components): Likewise.
2444         (aarch64_process_components): Likewise.
2445         (TARGET_SHRINK_WRAP_GET_SEPARATE_COMPONENTS,
2446         TARGET_SHRINK_WRAP_COMPONENTS_FOR_BB,
2447         TARGET_SHRINK_WRAP_DISQUALIFY_COMPONENTS,
2448         TARGET_SHRINK_WRAP_EMIT_PROLOGUE_COMPONENTS,
2449         TARGET_SHRINK_WRAP_EMIT_EPILOGUE_COMPONENTS,
2450         TARGET_SHRINK_WRAP_SET_HANDLED_COMPONENTS): Define.
2452 2016-12-02  Martin Jambor  <mjambor@suse.cz>
2454         * passes.def: Move pass_rebuild_cgraph_edges to the end of
2455         pass_build_ssa_passes.
2457 2016-12-02  Uros Bizjak  <ubizjak@gmail.com>
2459         * config/alpha/alpha.md (exception_receiver): Copy
2460         alpha_gp_ave_rtx return value.
2462 2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
2464         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
2465         for several include directories that may be relative to sysroot.
2466         * config/i386/x-mingw32 (gplus_includedir): Define.
2467         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
2468         (native_system_includedir): Likewise.
2469         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
2470         override if TARGET_SYSTEM_ROOT is defined.
2471         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
2473 2016-12-02  Jakub Jelinek  <jakub@redhat.com>
2475         PR target/70322
2476         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Handle NOT.
2477         (dimode_scalar_chain::compute_convert_gain): Likewise.
2478         (dimode_scalar_chain::convert_insn): Likewise.
2479         * config/i386/i386.md (*one_cmpldi2_doubleword): New
2480         define_insn_and_split.
2481         (one_cmpl<mode>2): Use SWIM1248x iterator instead of SWIM.
2483         PR target/78614
2484         * rtl.c (copy_rtx): Don't clear used flag here.
2485         (shallow_copy_rtx_stat): Clear used flag here unless code the rtx
2486         is shareable.
2487         * simplify-rtx.c (simplify_replace_fn_rtx): When copying rtx with
2488         'E' in format, copy all vectors.
2489         * emit-rtl.c (copy_insn_1): Don't clear used flag here.
2490         * valtrack.c (cleanup_auto_inc_dec): Likewise.
2491         * config/rs6000/rs6000.c (rs6000_frame_related): Likewise.
2493 2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2494             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2496         * config/arm/arm-builtins.c (arm_builtins): Define
2497         ARM_BUILTIN_CMSE_NONSECURE_CALLER.
2498         (bdesc_2arg): Add line for cmse_nonsecure_caller.
2499         (arm_init_builtins): Handle cmse_nonsecure_caller.
2500         (arm_expand_builtin): Likewise.
2501         * config/arm/arm_cmse.h (cmse_nonsecure_caller): New.
2503 2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2504             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2506         * config/arm/arm.c (detect_cmse_nonsecure_call): New.
2507         (cmse_nonsecure_call_clear_caller_saved): New.
2508         (arm_reorg): Use cmse_nonsecure_call_clear_caller_saved.
2509         (arm_function_ok_for_sibcall): Disable sibcalls for
2510         cmse_nonsecure_call.
2511         * config/arm/arm-protos.h (detect_cmse_nonsecure_call): New.
2512         * config/arm/arm.md (call): Handle cmse_nonsecure_entry.
2513         (call_value): Likewise.
2514         (nonsecure_call_internal): New.
2515         (nonsecure_call_value_internal): New.
2516         * config/arm/thumb1.md (*nonsecure_call_reg_thumb1_v5): New.
2517         (*nonsecure_call_value_reg_thumb1_v5): New.
2518         * config/arm/thumb2.md (*nonsecure_call_reg_thumb2): New.
2519         (*nonsecure_call_value_reg_thumb2): New.
2520         * config/arm/unspecs.md (UNSPEC_NONSECURE_MEM): New.
2522 2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2523             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2525         * config/arm/arm.c (gimplify.h): New include.
2526         (arm_handle_cmse_nonsecure_call): New.
2527         (arm_attribute_table): Added cmse_nonsecure_call.
2528         (arm_comp_type_attributes): Deny compatibility of function types
2529         with without the cmse_nonsecure_call attribute.
2530         * doc/extend.texi (ARM ARMv8-M Security Extensions): New attribute.
2532 2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2533             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2535         * config/arm/arm.c (output_return_instruction): Clear
2536         registers.
2537         (thumb2_expand_return): Likewise.
2538         (thumb1_expand_epilogue): Likewise.
2539         (thumb_exit): Likewise.
2540         (arm_expand_epilogue): Likewise.
2541         (cmse_nonsecure_entry_clear_before_return): New.
2542         (comp_not_to_clear_mask_str_un): New.
2543         (compute_not_to_clear_mask): New.
2544         * config/arm/thumb1.md (*epilogue_insns): Change length attribute.
2545         * config/arm/thumb2.md (*thumb2_return): Disable for
2546         cmse_nonsecure_entry functions.
2547         (*thumb2_cmse_entry_return): Duplicate thumb2_return pattern for
2548         cmse_nonsecure_entry functions.
2550 2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2551             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2553         * config/arm/arm.c (use_return_insn): Change to return with  bxns
2554         when cmse_nonsecure_entry.
2555         (output_return_instruction): Likewise.
2556         (arm_output_function_prologue): Likewise.
2557         (thumb_pop): Likewise.
2558         (thumb_exit): Likewise.
2559         (thumb2_expand_return): Assert that entry functions always have simple
2560         returns.
2561         (arm_expand_epilogue): Handle entry functions.
2562         (arm_function_ok_for_sibcall): Disable sibcall for entry functions.
2563         (arm_asm_declare_function_name): New.
2564         * config/arm/arm-protos.h (arm_asm_declare_function_name): New.
2565         * config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME): Redefine to
2566         use arm_asm_declare_function_name.
2568 2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2569             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2571         * config/arm/arm.c (arm_handle_cmse_nonsecure_entry): New.
2572         (arm_attribute_table): Added cmse_nonsecure_entry
2573         (arm_compute_func_type): Handle cmse_nonsecure_entry.
2574         (cmse_func_args_or_return_in_stack): New.
2575         (arm_handle_cmse_nonsecure_entry): New.
2576         * config/arm/arm.h (ARM_FT_CMSE_ENTRY): New macro define.
2577         (IS_CMSE_ENTRY): Likewise.
2578         * doc/extend.texi (ARM ARMv8-M Security Extensions): New attribute.
2580 2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2581             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2583         * config.gcc (extra_headers): Added arm_cmse.h.
2584         * config/arm/arm-arches.def (ARM_ARCH):
2585         (armv8-m): Add FL2_CMSE.
2586         (armv8-m.main): Likewise.
2587         (armv8-m.main+dsp): Likewise.
2588         * config/arm/arm-c.c
2589         (arm_cpu_builtins): Added __ARM_FEATURE_CMSE macro.
2590         * config/arm/arm-flags.h: Define FL2_CMSE.
2591         * config/arm.c (arm_arch_cmse): New.
2592         (arm_option_override): New error for unsupported cmse target.
2593         * config/arm/arm.h (arm_arch_cmse): New.
2594         * config/arm/arm.opt (mcmse): New.
2595         * config/arm/arm_cmse.h: New file.
2596         * doc/invoke.texi (ARM Options): Add -mcmse.
2597         * doc/sourcebuild.texi (arm_cmse_ok): Add new effective target.
2598         * doc/extend.texi: Add ARMv8-M Security Extensions entry.
2600 2016-12-02  Georg-Johann Lay  <avr@gjlay.de>
2602         * config/avr/avr.c: Fix coding rule glitches.
2604 2016-12-02  Martin Jambor  <mjambor@suse.cz>
2606         * hsa.c (hsa_callable_function_p): Return false for artificial
2607         functions.
2609 2016-12-02  James Greenhalgh  <james.greenhalgh@arm.com>
2611         PR rtl-optimization/78561
2612         * varasm.c (recompute_pool_offsets): New.
2613         (output_constant_pool): Call it.
2615 2016-12-02  James Greenhalgh  <james.greenhalgh@arm.com>
2617         PR rtl-optimization/78561
2618         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p) Rename
2619         get_pool_size to get_pool_size_upper_bound.
2620         (rs6000_stack_info): Likewise.
2621         (rs6000_emit_prologue): Likewise.
2622         (rs6000_elf_declare_function_name): Likewise.
2623         (rs6000_set_up_by_prologue): Likewise.
2624         (rs6000_can_eliminate): Likewise, reformat spaces to tabs.
2625         * output.h (get_pool_size): Rename to...
2626         (get_pool_size_upper_bound): ...This.
2627         * varasm.c (get_pool_size): Rename to...
2628         (get_pool_size_upper_bound): ...This.
2630 2016-12-02  Bin Cheng  <bin.cheng@arm.com>
2632         * match.pd: Add new pattern:
2633         (cond (cmp (convert? x) c1) (op x c2) c3) -> (op (minmax x c1) c2).
2635 2016-12-02  Nathan Sidwell  <nathan@acm.org>
2637         * diagnostic.c (diagnostic_report_diagnostic): Remove extraneous
2638         braces.
2640 2016-12-02  Aldy Hernandez  <aldyh@redhat.com>
2642         PR middle-end/78328
2643         * gimple-ssa-warn-alloca.c (alloca_call_type): Handle
2644         VR_ANTI_RANGE.
2646 2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2648         * config/s390/s390.c (s390_save_gprs_to_fprs): Fix RTL sharing
2649         problem.
2651 2016-12-02  Georg-Johann Lay  <avr@gjlay.de>
2653         * config/avr/avr-arch.h (avr_mcu_t) [n_flash]: Remove field.
2654         * config/avr/avr-devices.c (AVR_MCU): Remove N_FLASH macro argument.
2655         * config/avr/avr-mcus.def (AVR_MCU): Remove initializer for n_flash.
2656         * config/avr/avr.c (avr_set_core_architecture) [avr_n_flash]: Use
2657         avr_mcu_types.flash_size to compute default value.
2658         * config/avr/gen-avr-mmcu-specs.c (print_mcu) [cc1_n_flash]: Use
2659         mcu->flash_size to compute value for spec.
2661 2016-12-02  Georg-Johann Lay  <avr@gjlay.de>
2663         * doc/invoke.texi (AVR Options) [-mabsdata]: Point to absdata.
2664         * doc/extend.texi (AVR Variable Attributes) [progmem]: Hint
2665         about linker description to avoid progmem altogether.
2666         [absdata]: Point to -mabsdata option.
2668 2016-12-02  Jakub Jelinek  <jakub@redhat.com>
2670         PR rtl-optimization/78547
2671         * emit-rtl.c (unshare_all_rtl): Make sure DECL_RTL and
2672         DECL_INCOMING_RTL is not shared.
2673         * config/i386/i386.c (convert_scalars_to_vectors): If any
2674         insns have been converted, adjust all parameter's DEC_RTL and
2675         DECL_INCOMING_RTL back from V1TImode to TImode if the parameters have
2676         TImode.
2678         PR rtl-optimization/78575
2679         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses): Use
2680         DF infrastructure to wrap all V1TImode reg uses into TImode subreg
2681         if not already wrapped in a subreg.  Make sure df_insn_rescan does not
2682         affect further iterations.
2684 2016-12-02  Martin Liska  <mliska@suse.cz>
2686         PR ipa/78555
2687         * sreal.c (sreal::to_int): Make absolute value before shifting.
2688         (sreal::operator/): Likewise.
2689         (sreal_verify_negative_division): New test.
2690         (void sreal_c_tests): Call the new test.
2691         * sreal.h (sreal::normalize_up): Use new SREAL_ABS and
2692         SREAL_SIGN macros.
2693         (sreal::normalize_down): Likewise.
2695 2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2697         * combine.c (combine_simplify_rtx):  Suppress replacement of
2698         "(and (reg) (const_int bit))" with "if_then_else".
2700 2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2702         PR target/77822
2703         * config/s390/s390.md ("extzv")
2704         ("*extzv<mode><clobbercc_or_nocc>")
2705         ("*extzvdi<clobbercc_or_nocc>_lshiftrt")
2706         ("*<risbg_n>_ior_and_sr_ze")
2707         ("*extract1bitdi<clobbercc_or_nocc>")
2708         ("*insv<mode><clobbercc_or_nocc>", "*insv_rnsbg_noshift")
2709         ("*insv_rnsbg_srl", "*insv<mode>_mem_reg")
2710         ("*insvdi_mem_reghigh", "*insvdi_reg_imm"): Use EXTRACT_ARGS_IN_RANGE
2711         to validate the arguments of zero_extract and sign_extract.
2713 2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2715         PR target/77822
2716         * rtl.h (EXTRACT_ARGS_IN_RANGE): New.
2718 2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2720         * gcc/config/s390/s390.c (s390_builtin_vectorization_cost): New
2721         function.
2722         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Define target
2723         macro.
2725 2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2727         * config/s390/vector.md (vec_halfhalf): New mode iterator.
2728         ("vec_pack_trunc_<mode>", "vec_pack_ssat_<mode>")
2729         ("vec_pack_usat_<mode>", "vec_unpacks_hi_v16qi")
2730         ("vec_unpacks_low_v16qi", "vec_unpacku_hi_v16qi")
2731         ("vec_unpacku_low_v16qi", "vec_unpacks_hi_v8hi")
2732         ("vec_unpacks_lo_v8hi", "vec_unpacku_hi_v8hi")
2733         ("vec_unpacku_lo_v8hi", "vec_unpacks_hi_v4si")
2734         ("vec_unpacks_lo_v4si", "vec_unpacku_hi_v4si")
2735         ("vec_unpacku_lo_v4si"): New pattern definitions.
2736         * config/s390/vx-builtins.md: Move VI_HW_HSD mode iterator to
2737         vector.md.
2739 2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2741         * config/s390/s390-protos.h (s390_reverse_condition): New
2742         prototype.
2743         * config/s390/s390.c (s390_canonicalize_comparison): Fold compares
2744         of CC mode values.
2745         (s390_reverse_condition): New function.
2746         * config/s390/s390.h (REVERSE_CC_MODE, REVERSE_CONDITION): Define
2747         target macros.
2749 2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2751         * config/s390/s390-modes.def (CCVEQANY, CCVH, CCVHANY, CCVHU)
2752         (CCVHUANY): Remove modes.
2753         (CCVIH, CCVIHU, CCVIALL, CCVIANY, CCVFALL, CCVFANY): Add modes and
2754         documentation.
2755         * config/s390/s390.c (s390_match_ccmode_set): Rename cc modes.
2756         (s390_expand_vec_compare_scalar): Pick one of the cc consumer
2757         modes.
2758         (s390_branch_condition_mask): Adjust to use the new cc consumer
2759         modes.  The new modes allow for proper reversal in the middle-end.
2760         (s390_expand_vec_compare_cc): Determine the proper cc producer and
2761         consumer modes for a comparison.
2762         * config/s390/s390.md: Rename CCVH to CCVIH and CCVHU to CCVIHU
2763         throughout the file.
2764         * config/s390/vx-builtins.md: Likewise.
2766 2016-12-02  Maxim Ostapenko  <m.ostapenko@samsung.com>
2768         * asan.c (asan_global_struct): Refactor.
2769         (create_odr_indicator): New function.
2770         (asan_needs_odr_indicator_p): Likewise.
2771         (is_odr_indicator): Likewise.
2772         (asan_add_global): Introduce odr_indicator_ptr. Pass it into global's
2773         constructor.
2774         (asan_protect_global): Do not protect odr indicators.
2776 2016-12-01  Jeff Law  <law@redhat.com>
2778         * tree-ssa-threadedge.c
2779         (record_temporary_equivalences_from_stmts_at_dest): Avoid temporary
2780         propagation of operands if there are no operands.
2782 2016-12-02  Jakub Jelinek  <jakub@redhat.com>
2784         PR tree-optimization/78586
2785         * gimple-ssa-sprintf.c (format_integer): Don't handle NOP_EXPR,
2786         CONVERT_EXPR or COMPONENT_REF here.  Formatting fix.  For
2787         SSA_NAME_DEF_STMT with NOP_EXPR only change argtype if the rhs1's
2788         type is INTEGER_TYPE or POINTER_TYPE.
2790 2016-12-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2792         PR target/78577
2793         * config/rs6000/vsx.md (vextuhlx): Revise mode of operand 2.
2794         (vextuhrx): Likewise.
2795         (vextuwlx): Likewise.
2796         (vextuwrx): Likewise.
2798 2016-12-01  David Malcolm  <dmalcolm@redhat.com>
2800         * dwarf2out.c (dwarf2out_c_finalize): Reset early_dwarf and
2801         early_dwarf_finished.
2803 2016-12-01  Eric Botcazou  <ebotcazou@adacore.com>
2804             David S. Miller  <davem@davemloft.net>
2806         * config/sparc/sparc.opt (mlra): New target option.
2807         * config/sparc/sparc.c (TARGET_LRA_P): Define to...
2808         (sparc_lra_p): ...this.  New function.
2809         (D_MODES, DF_MODES): Add missing cast.
2810         * config/sparc/sparc.md (*movsi_lo_sum, *movsi_high): Do not
2811         provide these insns when flag_pic.
2812         (sethi_di_medlow, losum_di_medlow, seth44, setm44, setl44, sethh,
2813         setlm, sethm, setlo, embmedany_sethi, embmedany_losum,
2814         embmedany_brsum, embmedany_textuhi, embmedany_texthi,
2815         embmedany_textulo, embmedany_textlo): Likewise.
2816         (sethi_di_medlow_embmedany_pic): Provide it only with flag_pic.
2818 2016-12-01  David Edelsohn  <dje.gcc@gmail.com>
2820         PR debug/66419
2821         PR c++/78235
2822         * dbxout.c (dbxout_type_fields): Skip TEMPLATE_DECLs.
2824 2016-12-01  Richard Biener  <rguenther@suse.de>
2825             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2827         * vec.h (vec<T, A, vl_embed>::quick_grow_cleared): Guard call to
2828         memset if len-oldlen != 0.
2829         (vec<T, va_heap, vl_ptr>::safe_grow_cleared): Likewise.
2831 2016-12-01  Uros Bizjak  <ubizjak@gmail.com>
2833         * config/i386/i386.md (*andndi3_doubleword): Depend on TARGET_SSE2.
2835 2016-12-01  Georg-Johann Lay  <avr@gjlay.de>
2837         * config/avr/avr.c: Fix coding rule glitches.
2839 2016-12-01  Markus Trippelsdorf  <markus@trippelsdorf.de>
2841         PR tree-optimization/78598
2842         * tree-ssa-loop-prefetch.c (ddown): Cast to signed to avoid
2843         overflows.
2845 2016-12-01  Markus Trippelsdorf  <markus@trippelsdorf.de>
2847         PR rtl-optimization/78596
2848         * combine.c (simplify_comparison): Cast to unsigned to avoid
2849         left shifting of negative value.
2851 2016-12-01  Matthias Klose  <doko@ubuntu.com>
2853         * doc/install.texi: Don't use pkg-config to check for bdw-gc.
2855 2016-12-01  Richard Biener  <rguenther@suse.de>
2857         * tree-ssa-alias.c (indirect_refs_may_alias_p): Do not
2858         treat arrays with same type as objects that cannot overlap.
2860 2016-12-01  Georg-Johann Lay  <avr@gjlay.de>
2862         * config/avr/avr.c (avr_print_operand): Use SYMBOL_REF_P if possible.
2863         (avr_handle_addr_attribute, avr_asm_output_aligned_decl_common)
2864         (avr_asm_asm_output_aligned_bss, avr_addr_space_convert): Dito.
2866 2016-12-01  Jakub Jelinek  <jakub@redhat.com>
2868         PR debug/78587
2869         * dwarf2out.c (loc_descr_plus_const): For negative offset use
2870         uint_loc_descriptor instead of int_loc_descriptor and perform negation
2871         in unsigned HOST_WIDE_INT type.
2872         (scompare_loc_descriptor): Shift UINTVAL left instead of INTVAL.
2874         PR target/78614
2875         * config/rs6000/rs6000.c (rs6000_frame_related): Call
2876         set_used_flags (pat) before any simplifications.  Clear used flag on
2877         PARALLEL copy.  Don't guard add_reg_note call.  Call
2878         copy_rtx_if_shared on pat before storing it into
2879         REG_FRAME_RELATED_EXPR.
2881 2016-12-01  Alan Modra  <amodra@gmail.com>
2883         * gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
2884         look inside UNSPEC_VSX_XXSPLTW vec.
2886 2016-12-01  Segher Boessenkool  <segher@kernel.crashing.org>
2888         PR rtl-optimization/78607
2889         * combine.c (try_combine): Emit a barrier after a unconditional trap.
2891 2016-11-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
2893         PR target/78602
2894         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): If the
2895         element is not a constant or in a register, force it to a
2896         register.
2898         PR target/78560
2899         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Force value
2900         that will be set to a vector element to be in a register.
2901         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Fix thinko that used
2902         the wrong multiplier to convert the element number to a byte
2903         offset.
2905 2016-11-30  Vladimir Makarov  <vmakarov@redhat.com>
2907         PR tree-optimization/77856
2908         * lra-constraints.c (inherit_in_ebb): Check original regno for
2909         invalid invariant regs too.  Set only clobbered hard regs for the
2910         invalid invariant regs.
2912 2016-11-30  Pitchumani Sivanupandi  <pitchumani.sivanupandi@microchip.com>
2914         Commit files forgotten in r242966.
2916         * config/avr/avr-arch.h (avr_mcu_t) [flash_size]: New member.
2917         * config/avr/avr-devices.c (avr_mcu_types): Add flash size info.
2918         * config/avr/gen-avr-mmcu-specs.c (print_mcu): Remove hard-coded
2919         prefix check to find wrap-around value, instead use MCU flash size.
2920         For 8k flash devices, update link_pmem_wrap spec string to
2921         add --pmem-wrap-around=8k.
2922         * config/avr/specs.h (LINK_RELAX_SPEC): Move link_pmem_wrap from
2923         here...
2924         (LINK_SPEC): ...to here.
2926 2016-11-30  David Malcolm  <dmalcolm@redhat.com>
2928         PR c/78498
2929         * selftest.c (selftest::assert_strndup_eq): New function.
2930         (selftest::test_strndup): New function.
2931         (selftest::test_libiberty): New function.
2932         (selftest::selftest_c_tests): Call test_libiberty.
2934 2016-11-30  Segher Boessenkool  <segher@kernel.crashing.org>
2936         PR rtl-optimization/78610
2937         * ira.c (combine_and_move_insns): Don't substitute into TRAP_IF
2938         instructions.
2940 2016-11-30  Bin Cheng  <bin.cheng@arm.com>
2942         PR tree-optimization/78574
2943         * tree-ssa-loop-ivopts.c (find_deriving_biv_for_expr): Skip loop
2944         header PHI that doesn't define biv.
2946 2016-11-30  Jakub Jelinek  <jakub@redhat.com>
2948         * emit-rtl.c (verify_insn_sharing): Call verify_rtx_sharing instead of
2949         reset_used_flags.
2951         * config/i386/i386.c (dimode_scalar_chain::convert_op): Avoid
2952         sharing the SUBREG rtx between move and following insn.
2954         * ira.c (ira_update_equiv_info_by_shuffle_insn): Use copy_rtx
2955         for REG_EQUIV argument.
2957 2016-11-30  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2959         * config/arm/t-rmprofile: Add mappings for Cortex-M23 and Cortex-M33.
2961 2016-11-30  Markus Trippelsdorf  <markus@trippelsdorf.de>
2963         PR ipa/78555
2964         * real.c (real_hash): Add cast to avoid left
2965         shifting of negative values.
2967 2016-11-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2969         PR target/78362
2970         * config/aarch64/aarch64.md (add<mode>3): Extract inner expression
2971         from a subreg in operands[1] and don't call REGNO on a non-reg
2972         expression when deciding to force operands[2] into a reg.
2974 2016-11-30  Claudiu Zissulescu  <claziss@synopsys.com>
2975             Andrew Burgess  <andrew.burgess@embecosm.com>
2977         * config/arc/arc-protos.h (arc_store_addr_hazard_p): Declare.
2978         * config/arc/arc.c (arc_store_addr_hazard_p): New function.
2979         (workaround_arc_anomaly): Call arc_store_addr_hazard_p for ARC700.
2980         * config/arc/arc700.md: Add define_bypass for store/load.
2982 2016-11-30  Martin Liska  <mliska@suse.cz>
2984         * cgraph.c (symbol_table::initialize): Initialize
2985         ipa_clones_dump_file.
2986         (cgraph_node::remove): Report to ipa_clones_dump_file.
2987         * cgraph.h: Add new argument (suffix) to cloning methods.
2988         * cgraphclones.c (dump_callgraph_transformation): New function.
2989         (cgraph_node::create_clone): New argument.
2990         (cgraph_node::create_virtual_clone): Likewise.
2991         (cgraph_node::create_version_clone): Likewise.
2992         * dumpfile.c: Add .ipa-clones dump file.
2993         * dumpfile.h (enum tree_dump_index): Add TDI_clones
2994         * ipa-inline-transform.c (clone_inlined_nodes): Report operation
2995         to dump_callgraph_transformation.
2997 2016-11-30  Martin Liska  <mliska@suse.cz>
2999         PR sanitizer/78541
3000         * asan.c (asan_expand_mark_ifn): Properly
3001         select a VAR_DECL from FRAME.* component reference.
3003 2016-11-30  Segher Boessenkool  <segher@kernel.crashing.org>
3005         PR rtl-optimization/78583
3006         * simplify-rtx.c (simplify_truncation): Add check missing from the
3007         previous commit.
3009 2016-11-30  Segher Boessenkool  <segher@kernel.crashing.org>
3011         PR rtl-optimization/78590
3012         * combine.c (change_zero_ext): Transform zero_extend of subregs only
3013         if the subreg_reg is a scalar integer mode.
3015 2016-11-30  Jakub Jelinek  <jakub@redhat.com>
3017         PR tree-optimization/78586
3018         * gimple-ssa-sprintf.c (format_integer): Use TYPE_MAX_VALUE or
3019         TYPE_MIN_VALUE or build_all_ones_cst instead of folding LSHIFT_EXPR.
3020         Don't build_int_cst min/max twice.  Formatting fix.
3022 2016-11-30  Markus Trippelsdorf  <markus@trippelsdorf.de>
3024         PR rtl-optimization/78588
3025         * combine.c (if_then_else_cond): Also guard against BLKmode.
3026         * rtlanal.c (num_sign_bit_copies1): Add assert.
3028 2016-11-29  Jeff Law  <law@redhat.com>
3030         * common/config/arc/arc-common.c (arc_handle_option): Remove unused
3031         variables.
3033         * lra-constraints.c (check_and_process_move): Constrain the
3034         range of DCLASS and SCLASS to avoid false positive out of bounds
3035         array index warning.
3037 2016-11-29  David Malcolm  <dmalcolm@redhat.com>
3039         * doc/install.texi (--with-target-bdw-gc): Remove stray '@'.
3041 2016-11-29  David Malcolm  <dmalcolm@redhat.com>
3043         PR preprocessor/78569
3044         * input.c (get_substring_ranges_for_loc): Fail gracefully if
3045         line directives were present.
3047 2016-11-30  Matthias Klose  <doko@ubuntu.com>
3049         * doc/install.texi: Document configure options --enable-objc-gc
3050         and --with-target-bdw-gc.
3052 2016-11-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
3054         PR target/78594
3055         * config/rs6000/rs6000.md (mov<mode>_internal, QHI iterator): Add
3056         'x' to stxsi<wd>x print pattern, so that QImode and HImode values
3057         residing in traditional altivec registers can be stored
3058         correctly.
3060 2016-11-29  Max Filippov  <jcmvbkbc@gmail.com>
3062         PR target/78603
3063         * config/xtensa/xtensa.c (hwloop_optimize): Don't emit zero
3064         overhead loop start between a call and its CALL_ARG_LOCATION
3065         note.
3067 2016-11-29  Waldemar Brodkorb  <wbx@openadk.org>
3069         * config/bfin/linux.h (CPP_SPEC): Define.
3071 2016-11-29  Martin Sebor  <msebor@redhat.com>
3073         PR tree-optimization/78512
3074         * config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Remove.
3075         * config/rs6000/linux.h: Same.
3076         * config/rs6000/linux64.h: Same.
3077         * config/sol2.h: Same.
3078         * config/sol2.c (solaris_printf_pointer_format): Remove.
3079         * doc/tm.texi.in (TARGET_PRINTF_POINTER_FORMAT): Remove.
3080         * doc/tm.texi: Regenerate.
3081         * gimple-ssa-sprintf.c (format_pointer): Rempove.
3082         (pass_sprintf_length::compute_format_length): Return bool.
3083         (pass_sprintf_length::handle_gimple_call): Adjust.
3084         * target.def (printf_pointer_format): Remove.
3085         * targhooks.c (default_printf_pointer_format): Remove.
3086         (linux_printf_pointer_format): Same.
3087         * targhooks.h (default_printf_pointer_format): Remove.
3088         (linux_printf_pointer_format, solaris_printf_pointer_format): Same.
3090 2016-11-29  Uros Bizjak  <ubizjak@gmail.com>
3092         * config/i386/sse.md (UNSPEC_MASKOP): Move from i386.md.
3093         (mshift): Ditto.
3094         (SWI1248_AVX512BWDQ): Ditto.
3095         (SWI1248_AVX512BW): Ditto.
3096         (k<any_logic:code><mode>): Ditto.
3097         (kandn<mode>): Ditto.
3098         (kxnor<mode>): Ditto.
3099         (knot<mode>): Ditto.
3100         (*k<any_lshift:code><mode>): Ditto.
3101         (kortestzhi, kortestchi): Ditto.
3102         (kunpckhi, kunpcksi, kunpckdi): Ditto.
3104 2016-11-29  Andrew Pinski  <apinski@cavium.com>
3106         * tree-vrp.c (simplify_stmt_using_ranges): Use boolean_type_node
3107         for the EQ_EXPR.
3109 2016-11-29  Chen Gang  <gang.chen.5i5j@gmail.com>
3111         PR target/71331
3112         * config/tilegx/tilegx.c (tilegx_function_profiler): Save r10
3113         to stack before call mcount.
3114         (tilegx_can_use_return_insn_p): Clean up code.
3116 2016-11-29  Pitchumani Sivanupandi <pitchumani.s@atmel.com>
3118         * config/avr/avr-mcu.def: (avr_mcu_types): Add flash size info.
3120 2016-11-29  David Malcolm  <dmalcolm@redhat.com>
3122         PR c++/72774
3123         PR c++/72786
3124         PR c++/77922
3125         PR c++/78313
3126         * spellcheck.c (selftest::test_find_closest_string): Verify that
3127         we don't offer the goal string as a suggestion.
3128         * spellcheck.h (best_match::get_best_meaningful_candidate): Don't
3129         offer the goal string as a suggestion.
3132 2016-11-29  Claudiu Zissulescu  <claziss@synopsys.com>
3134         * config/arc/arc.c (arc_override_options): Avoid selection of
3135         compact casesi for ARCv2.
3137 2016-11-29  Richard Biener  <rguenther@suse.de>
3139         * tree-cfg.c (lower_phi_internal_fn): Do not look for further
3140         PHIs after a regular stmt.
3141         (stmt_starts_bb_p): PHIs not preceeded by a PHI or a label
3142         start a new BB.
3144 2016-11-29  Martin Liska  <mliska@suse.cz>
3146         PR gcov-profile/78582
3147         * tree-profile.c (gimple_gen_time_profiler): Make one extra BB
3148         to prevent PHI argument clash.
3150 2016-11-29  Claudiu Zissulescu  <claziss@synopsys.com>
3152         * config/arc/arc.opt (marclinux): Fix typo.
3153         (marclinux_prof): Likewise.
3155 2016-11-29  Jiong Wang  <jiong.wang@arm.com>
3157         * target.def (stack_protect_runtime_enabled_p): New.
3158         * function.c (expand_function_end): Guard stack_protect_epilogue with
3159         targetm.stack_protect_runtime_enabled_p.
3160         * cfgexpand.c (pass_expand::execute): Likewise.
3161         * calls.c (expand_call): Likewise.
3162         * doc/tm.texi.in (TARGET_STACK_PROTECT_RUNTIME_ENABLED_P): Add it.
3163         * doc/tm.texi: Regenerate.
3165 2016-11-29  Richard Biener  <rguenther@suse.de>
3167         PR middle-end/78546
3168         * match.pd: Add CST1 - (CST2 - A) -> CST3 + A missing case.
3170 2016-11-29  Janus Weil  <janus@gcc.gnu.org>
3172         * doc/contrib.texi: Add a few missing gfortran contributors.
3174 2016-11-29  Segher Boessenkool  <segher@kernel.crashing.org>
3176         * combine.c (change_zero_ext): Also handle extends from a subreg
3177         to a mode bigger than that of the operand of the subreg.
3179 2016-11-29  Segher Boessenkool  <segher@kernel.crashing.org>
3181         PR target/77687
3182         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Emit the
3183         stack_restore_tie insn instead of stack_tie, for the SVR4 and
3184         SPE ABIs.
3185         * config/rs6000/rs6000.md (stack_restore_tie): New define_insn.
3187 2016-11-28  Segher Boessenkool  <segher@kernel.crashing.org>
3189         * shrink-wrap.c (init_separate_shrink_wrap): Do not clear
3190         head_components and tail_components.
3191         (spread_components): New algorithm.
3192         (emit_common_tails_for_components): Clear head_components and
3193         tail_components.
3194         (insert_prologue_epilogue_for_components): Write extra output to the
3195         dump file for sibcalls and abnormal exits.
3197 2016-11-28  Segher Boessenkool  <segher@kernel.crashing.org>
3199         PR rtl-optimization/78342
3200         * combine.c: Include "cfghooks.h".
3201         (try_combine): If we create an unconditional trap, break the basic
3202         block in two just after it, and remove the edge between; also, set
3203         the *new_direct_jump_p flag so that cleanup_cfg is run.
3205 2016-11-28  Segher Boessenkool  <segher@kernel.crashing.org>
3207         * simplify-rtx.c (simplify_truncation): Handle truncate of zero_extract
3208         and sign_extract.
3210 2016-11-28  Uros Bizjak  <ubizjak@gmail.com>
3212         * config/i386/i386.md (*and<mode>_1): Merge insn pattern from
3213         *andsi_1 and *andhi_1 using SWI24 mode iterator.  Use multi-line
3214         output template string.
3215         (*anddi_1): Use multi-line output template string.
3216         (*andqi_1): Ditto.
3218 2016-11-28  Jakub Jelinek  <jakub@redhat.com>
3220         PR middle-end/78540
3221         * rtl.h (remove_reg_equal_equiv_notes): Return bool instead of void.
3222         * rtlanal.c (remove_reg_equal_equiv_notes): Return true if any
3223         note has been removed.
3224         * postreload.c (reload_combine_recognize_pattern): If
3225         remove_reg_equal_equiv_notes returns true, call df_notes_rescan.
3227 2016-11-28  Martin Sebor  <msebor@redhat.com>
3229         PR middle-end/78520
3230         * gimple-ssa-sprintf.c (target_max_value): Remove.
3231         (target_int_max, target_size_max): Use TYPE_MAX_VALUE.
3232         (get_width_and_precision): New function.
3233         (format_integer, format_floating, get_string_length, format_string):
3234         Correct handling of width and precision with unknown value.
3235         (format_directive): Add warning.
3236         (pass_sprintf_length::compute_format_length): Allow for precision
3237         to consist of a sole period with no asterisk or digits after it.
3239 2016-11-28  Jakub Jelinek  <jakub@redhat.com>
3241         PR rtl-optimization/78546
3242         * simplify-rtx.c (neg_const_int): When negating most negative
3243         number in mode wider than HOST_BITS_PER_WIDE_INT, use
3244         simplify_const_unary_operation to produce CONST_DOUBLE or
3245         CONST_WIDE_INT.
3246         (simplify_plus_minus): Handle the case where neg_const_int
3247         doesn't return a CONST_INT.
3249 2016-11-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
3251         PR target/78556
3252         * config/rs6000/rs6000.c (vspltis_constant): Add casts to avoid
3253         left shifting of negative values.
3255 2016-11-28  Jakub Jelinek  <jakub@redhat.com>
3257         PR fortran/78298
3258         * tree-nested.c (convert_local_reference_stmt): After adding
3259         shared (FRAME.NN) clause to omp parallel, task or target,
3260         add it also to all outer omp parallel, task or target constructs.
3262 2016-11-28  Uros Bizjak  <ubizjak@gmail.com>
3264         * config/i386/i386.md (UNSPEC_KMASKOP): New.
3265         (UNSPEC_KMOV): Remove.
3266         (kmovw): Expand to plain HImode move.
3267         (k<any_logic:code><mode>): Rename from *k<logic><mode>. Use
3268         register_operand predicates.  Tag pattern with UNSPEC_KMASKOP.
3269         Remove corresponding clobber-removing splitter.
3270         (*anddi_1): Remove mask register alternatives.
3271         (*andsi_1): Ditto.
3272         (*andhi_1): Ditto.
3273         (*andqi_1): Ditto.
3274         (*<any_or:code><mode>_1): Ditto.
3275         (*<any_or:code>qi_1): Ditto.
3276         (kandn<mode>): Use SWI1248_AVX512BW mode iterator.  Remove
3277         general register alternatives.  Tag pattern with UNSPEC_KMASKOP.
3278         Remove corresponding splitter to operation with general registers.
3279         (*andn<SWI38:mode>): Rename from *bmi_andn_<mode>.
3280         (*andn<SWI12:mode>): New pattern.
3281         (*kxnor<mode>): Remove general register alternatives.  Tag pattern
3282         with UNSPEC_KMASKOP.  Remove corresponding splitter to operation
3283         with general registers.
3284         (knot<mode>): New insn pattern.
3285         (*one_cmpl<mode>2_1): Remove mask register alternatives.
3286         (one_cmplqi2_1): Ditto.
3287         (*k<any_lshift:code><mode>): Rename from *k<mshift><mode>3.
3288         Tag pattern with UNSPEC_KMASKOP. Add mode attribute.
3289         * config/i386/predicates.md (mask_reg_operand): Remove predicate.
3290         * config/i386/sse.md (vec_unpacks_hi_hi): Update pattern
3291         to generate kmaskop shift.
3292         (vec_unpacks_hi_<mode>): Ditto.
3293         * config/i386/i386-builtin.def (__builtin_ia32_kandhi):
3294         Use CODE_FOR_kandhi.
3295         (__builtin_ia32_knothi): Use CODE_FOR_knothi.
3296         (__builtin_ia32_korhi): Use CODE_FOR_kiorhi.
3297         (__builtin_ia32_kxorhi): Use CODE_FOR_kxorhi.
3299 2016-11-28  Richard Biener  <rguenther@suse.de>
3301         * tree-vrp.c (vrp_visit_assignment_or_call): Handle simplifications
3302         to SSA names via extract_range_from_ssa_name if allowed.
3304 2016-11-28  Richard Biener  <rguenther@suse.de>
3306         PR tree-optimization/78542
3307         * tree-ssa-ccp.c (evaluate_stmt): Only valueize simplification
3308         if allowed.
3310 2016-11-28  Paolo Bonzini  <bonzini@gnu.org>
3312         * combine.c (simplify_if_then_else): Simplify IF_THEN_ELSE that
3313         isolates a single bit, even if the condition involves subregs.
3315 2016-11-28  Tamar Christina  <tamar.christina@arm.com>
3317         * config/aarch64/aarch64-simd-builtins.def
3318         (BSL_P): Added di and v2di mode.
3319         * config/aarch64/arm_neon.h
3320         (vsriq_n_p64, vsri_n_p64): Added poly type.
3321         (vextq_p64, vext_p64): Likewise.
3322         (vceq_p64, vbslq_p64, vbsl_p64): Likewise.
3324 2016-11-28  Tamar Christina  <tamar.christina@arm.com>
3326         * config/aarch64/aarch64-builtins.c (TYPES_SETREGP): Added poly type.
3327         (TYPES_GETREGP): Likewise.
3328         (TYPES_SHIFTINSERTP): Likewise.
3329         (TYPES_COMBINEP): Likewise.
3330         (TYPES_STORE1P): Likewise.
3331         * config/aarch64/aarch64-simd-builtins.def
3332         (combine): Added poly generator.
3333         (get_dregoi): Likewise.
3334         (get_dregci): Likewise.
3335         (get_dregxi): Likewise.
3336         (ssli_n): Likewise.
3337         (ld1): Likewise.
3338         (st1): Likewise.
3339         * config/aarch64/arm_neon.h
3340         (poly64x1x2_t, poly64x1x3_t): New.
3341         (poly64x1x4_t, poly64x2x2_t): Likewise.
3342         (poly64x2x3_t, poly64x2x4_t): Likewise.
3343         (poly64x1_t): Likewise.
3344         (vcreate_p64, vcombine_p64): Likewise.
3345         (vdup_n_p64, vdupq_n_p64): Likewise.
3346         (vld2_p64, vld2q_p64): Likewise.
3347         (vld3_p64, vld3q_p64): Likewise.
3348         (vld4_p64, vld4q_p64): Likewise.
3349         (vld2_dup_p64, vld3_dup_p64): Likewise.
3350         (vld4_dup_p64, vsli_n_p64): Likewise.
3351         (vsliq_n_p64, vst1_p64): Likewise.
3352         (vst1q_p64, vst2_p64): Likewise.
3353         (vst3_p64, vst4_p64): Likewise.
3354         (__aarch64_vdup_lane_p64, __aarch64_vdup_laneq_p64): Likewise.
3355         (__aarch64_vdupq_lane_p64, __aarch64_vdupq_laneq_p64): Likewise.
3356         (vget_lane_p64, vgetq_lane_p64): Likewise.
3357         (vreinterpret_p8_p64, vreinterpretq_p8_p64): Likewise.
3358         (vreinterpret_p16_p64, vreinterpretq_p16_p64): Likewise.
3359         (vreinterpret_p64_f16, vreinterpret_p64_f64): Likewise.
3360         (vreinterpret_p64_s8, vreinterpret_p64_s16): Likewise.
3361         (vreinterpret_p64_s32, vreinterpret_p64_s64): Likewise.
3362         (vreinterpret_p64_f32, vreinterpret_p64_u8): Likewise.
3363         (vreinterpret_p64_u16, vreinterpret_p64_u32): Likewise.
3364         (vreinterpret_p64_u64, vreinterpret_p64_p8): Likewise.
3365         (vreinterpretq_p64_f64, vreinterpretq_p64_s8): Likewise.
3366         (vreinterpretq_p64_s16, vreinterpretq_p64_s32): Likewise.
3367         (vreinterpretq_p64_s64, vreinterpretq_p64_f16): Likewise.
3368         (vreinterpretq_p64_f32, vreinterpretq_p64_u8): Likewise.
3369         (vreinterpretq_p64_u16, vreinterpretq_p64_u32): Likewise.
3370         (vreinterpretq_p64_u64, vreinterpretq_p64_p8): Likewise.
3371         (vreinterpret_f16_p64, vreinterpretq_f16_p64): Likewise.
3372         (vreinterpret_f32_p64, vreinterpretq_f32_p64): Likewise.
3373         (vreinterpret_f64_p64, vreinterpretq_f64_p64): Likewise.
3374         (vreinterpret_s64_p64, vreinterpretq_s64_p64): Likewise.
3375         (vreinterpret_u64_p64, vreinterpretq_u64_p64): Likewise.
3376         (vreinterpret_s8_p64, vreinterpretq_s8_p64): Likewise.
3377         (vreinterpret_s16_p64, vreinterpret_s32_p64): Likewise.
3378         (vreinterpretq_s32_p64, vreinterpret_u8_p64): Likewise.
3379         (vreinterpret_u16_p64, vreinterpretq_u16_p64): Likewise.
3380         (vreinterpret_u32_p64, vreinterpretq_u32_p64): Likewise.
3381         (vset_lane_p64, vsetq_lane_p64): Likewise.
3382         (vget_low_p64, vget_high_p64): Likewise.
3383         (vcombine_p64, vst2_lane_p64): Likewise.
3384         (vst3_lane_p64, vst4_lane_p64): Likewise.
3385         (vst2q_lane_p64, vst3q_lane_p64): Likewise.
3386         (vst4q_lane_p64, vget_lane_p64): Likewise.
3387         (vget_laneq_p64, vset_lane_p64): Likewise.
3388         (vset_laneq_p64, vcopy_lane_p64): Likewise.
3389         (vcopy_laneq_p64, vdup_n_p64): Likewise.
3390         (vdupq_n_p64, vdup_lane_p64): Likewise.
3391         (vdup_laneq_p64, vld1_p64): Likewise.
3392         (vld1q_p64, vld1_dup_p64): Likewise.
3393         (vld1q_dup_p64, vld1q_dup_p64): Likewise.
3394         (vmov_n_p64, vmovq_n_p64): Likewise.
3395         (vst3q_p64, vst4q_p64): Likewise.
3396         (vld1_lane_p64, vld1q_lane_p64): Likewise.
3397         (vst1_lane_p64, vst1q_lane_p64): Likewise.
3398         (vcopy_laneq_p64, vcopyq_laneq_p64): Likewise.
3399         (vdupq_laneq_p64): Likewise.
3401 2016-11-28  Tamar Christina  <tamar.christina@arm.com>
3403         * config/arm/arm_neon.h (vget_lane_p64): New.
3405 2016-11-28  Iain Sandoe  <iain@codesourcery.com>
3407         PR target/71767
3408         * configure.ac (with_ld64): Use portable method to extract the
3409         major part of the version number.
3410         * configure: Regenerated.
3412 2016-11-28  Jakub Jelinek  <jakub@redhat.com>
3414         * gimple-ssa-sprintf.c (build_intmax_type_nodes): Look at
3415         UINTMAX_TYPE rather than SIZE_TYPE.  Add gcc_unreachable if
3416         intmax_t couldn't be determined.
3417         (format_integer): Make {,u}intmax_type_node no longer static,
3418         initialize them only when needed.  For z and t use
3419         signed_or_unsigned_type_for instead of assuming size_t and
3420         ptrdiff_t have the same precision.
3422         PR lto/78211
3423         * ipa-icf.h (sem_item_optimizer): Add m_classes_vec member.
3424         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Initialize it.
3425         (sem_item_optimizer::~sem_item_optimizer): Traverse m_classes_vec
3426         vector instead of traversing m_classes hash table.  Release
3427         m_classes_vec.
3428         (sem_item_optimizer::read_section, sem_item_optimizer::add_class):
3429         Formatting fixes.
3430         (sem_item_optimizer::get_group_by_hash): When inserting a new group,
3431         add it also to m_classes_vec vector.
3432         (sem_item_optimizer::remove_symtab_node,
3433         sem_item_optimizer::build_hash_based_classes,
3434         sem_item_optimizer::parse_nonsingleton_classes): Formatting fixes.
3435         (sem_item_optimizer::subdivide_classes_by_equality,
3436         sem_item_optimizer::subdivide_classes_by_sensitive_refs,
3437         sem_item_optimizer::verify_classes): Traverse m_classes_vec vector
3438         instead of traversing m_classes hash table.  Formatting fixes.
3439         (sem_item_optimizer::traverse_congruence_split,
3440         sem_item_optimizer::do_congruence_step_for_index,
3441         sem_item_optimizer::do_congruence_step): Formatting fixes.
3442         (sem_item_optimizer::process_cong_reduction): Traverse m_classes_vec
3443         vector instead of traversing m_classes hash table.
3444         (sem_item_optimizer::dump_cong_classes): Likewise.  Formatting fixes.
3445         (sem_item_optimizer::merge_classes): Traverse m_classes_vec vector
3446         instead of traversing m_classes hash table.
3448 2016-11-28  Georg-Johann Lay  <avr@gjlay.de>
3450         * config/avr/avr.c (out_movhi_r_mr) [REG_X + PLUS]: Only SBIW if
3451         X is not unused after.
3453 2016-11-28  Bernd Schmidt  <bschmidt@redhat.com>
3455         PR rtl-optimization/78120
3456         * rtlanal.c (insn_rtx_cost): Revert previous change.
3458 2016-11-28  Georg-Johann Lay  <avr@gjlay.de>
3460         PR 41076
3461         * config/avr/avr.md (SPLIT34): New mode iterator.
3462         (bitop): New code iterator.
3463         (*iorhi3.ashift8-*). New insn-and-split patterns.
3464         (*movhi): Post-reload split reg = 0.
3465         [!MOVW]: Post-reload split reg = reg.
3466         (*mov<mode>) [SI,SF,PSI,SQ,USQ,SA,USA]: Post-reload split reg = reg.
3467         (andhi3, andpsi3, andsi3): Post-reload split reg-reg operations.
3468         (iorhi3, iorpsi3, iorsi3): Same.
3469         (xorhi3, xorpsi3, xorsi3): Same.
3470         * config/avr/avr.c (avr_rtx_costs_1) [IOR && HImode]: Adjust rtx
3471         costs to *iorhi3.ashift8-* patterns.
3473 2016-11-27  Iain Sandoe  <iain@codesourcery.com>
3474             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3476         PR target/67710
3477         * config.in: Regenerate
3478         * config/darwin-driver.c (darwin_driver_init): Emit a version string
3479         for the assembler.
3480         * config/darwin.h(ASM_MMACOSX_VERSION_MIN_SPEC): New, new tests.
3481         * config/darwin.opt(asm_macosx_version_min): New.
3482         * config/i386/darwin.h: Handle ASM_MMACOSX_VERSION_MIN_SPEC.
3483         * configure: Regenerate
3484         * configure.ac: Check for mmacosx-version-min handling.
3486 2016-11-27  Iain Sandoe  <iain@codesourcery.com>
3488         PR target/57438
3489         * config/i386/i386.c (ix86_code_end): Note that we emitted code
3490         where the function might otherwise appear empty for picbase thunks.
3491         (ix86_output_function_epilogue): If we find a zero-sized function
3492         assume that reaching it is UB and trap.  If we find a trailing label
3493         append a nop.
3494         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): If we
3495         find a zero-sized function assume that reaching it is UB and trap.
3496         If we find a trailing label, append a nop.
3498 2016-11-27  Iain Sandoe  <iain@codesourcery.com>
3500         PR target/71767
3501         * config/darwin-sections.def (picbase_thunk_section): New.
3502         * config/darwin.c (darwin_init_sections): Set up picbase thunk
3503         section. (darwin_rodata_section, darwin_objc2_section,
3504         machopic_select_section, darwin_asm_declare_constant_name,
3505         darwin_emit_weak_or_comdat, darwin_function_section): Don’t use
3506         coalesced with newer linkers.
3507         (darwin_override_options): Decide on usage of coalesed sections
3508         on the basis of the target linker version.
3509         * config/darwin.h (MIN_LD64_NO_COAL_SECTS): New.
3510         * config/darwin.opt  (mtarget-linker): New.
3511         * config/i386/i386.c (ix86_code_end): Do not force the thunks into
3512         a coalesced section, instead use a thunks section.
3514 2016-11-27  Iain Sandoe  <iain@codesourcery.com>
3516         PR target/71767
3517         * configure.ac (with-ld64): New var, set for Darwin, set on
3518         detection of ld64, gcc_cv_ld64_export_dynamic: New, New test.
3519         * config/darwin.h: Use LD64_HAS_DYNAMIC export. DEF_LD64: New, define.
3520         * config/darwin10.h(DEF_LD64): Update for this target version.
3521         * config/darwin12.h(LINK_GCC_C_SEQUENCE_SPEC): Remove rdynamic test.
3522         (DEF_LD64): Update for this target version.
3523         * configure: Regenerated.
3524         * config.in: Regenerated.
3526 2016-11-27  Iain Sandoe  <iain@codesourcery.com>
3528         PR target/71767
3529         * config/darwin.c (imachopic_indirection_name): Make data
3530         section indirections linker-visible.
3531         * config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make local
3532         constant labels linker-visible.
3534 2016-11-26  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3536         * tree.c (build_common_tree_nodes): Initialize ptrdiff_type_node.
3537         (free_lang_data): Remove assignment to ptrdiff_type_node.
3539 2016-11-25  Jakub Jelinek  <jakub@redhat.com>
3541         PR rtl-optimization/78526
3542         * simplify-rtx.c (simplify_immed_subreg): Don't use wi::extract_uhwi
3543         beyond val's precision.
3545         PR rtl-optimization/78527
3546         * combine.c (make_compound_operation_int): Ignore LSHIFTRT with
3547         out of bounds shift count.
3549 2016-11-25  Martin Liska  <mliska@suse.cz>
3551         PR web/71666
3552         * doc/invoke.texi (-fprofile-use): Fix reference to a section
3553         where -fprofile-generate is documented.
3555 2016-11-25  Martin Liska  <mliska@suse.cz>
3557         PR gcov-profile/78086
3558         * coverage.c (build_init_ctor): Don't use priority {cd}tors if
3559         not supported by a target.  Set priority to 100 if possible.
3560         (build_gcov_exit_decl): Likewise.
3562 2016-11-25  Richard Biener  <rguenther@suse.de>
3564         PR ipa/78515
3565         * ipa-prop.c (compute_complex_assign_jump_func): Properly identify
3566         unary, binary and single RHSs.
3567         * tree.def (BIT_INSERT_EXPR): Adjust tree code name.
3569 2016-11-25  Bin Cheng  <bin.cheng@arm.com>
3571         PR middle-end/78507
3572         PR middle-end/78510
3573         PR middle-end/78517
3574         * match.pd ((cond (cmp (convert1? @1) @3) (convert2? @1) @2)): Use
3575         cmp directly, rather than cmp_code.  Initialize code to ERROR_MARK
3576         and set it to result code if transformation is valid.  Use code EQ
3577         directly in last simplification case.
3579 2016-11-25  Richard Biener  <rguenther@suse.de>
3581         * gimple-fold.c (fold_stmt_1): Check may_propagate_copy
3582         before valueizing return stmts.
3584 2016-11-24  Richard Biener  <rguenther@suse.de>
3586         PR tree-optimization/78343
3587         * passes.def: Add CD-DCE pass after loop splitting.
3588         * tree-ssa-dce.c (find_obviously_necessary_stmts): Move
3589         SCEV init/finalize ...
3590         (perform_tree_ssa_dce): ... here.  Deal with being
3591         executed inside the loop pipeline in aggressive mode.
3593 2016-11-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3595         * tree-ssa-math-opts.c (struct symbolic_number): Improve comment.
3597 2016-11-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3599         PR tree-optimization/77673
3600         * tree-ssa-math-opts.c (struct symbolic_number): Add new src field.
3601         (init_symbolic_number): Initialize src field from src parameter.
3602         (perform_symbolic_merge): Select most dominated statement as the
3603         source statement.  Set src field of resulting n structure from the
3604         input src with the lowest address.
3605         (find_bswap_or_nop): Rename source_stmt into ins_stmt.
3606         (bswap_replace): Rename src_stmt into ins_stmt.  Initially get source
3607         of load from src field rather than insertion statement.  Cancel
3608         optimization if statement analyzed is not dominated by the insertion
3609         statement.
3610         (pass_optimize_bswap::execute): Rename src_stmt to ins_stmt.  Compute
3611         dominance information.
3613 2016-11-25  Eric Botcazou  <ebotcazou@adacore.com>
3615         PR ada/67205
3616         * config/mips/mips.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
3618 2016-11-25  Martin Jambor  <mjambor@suse.cz>
3620         PR tree-optimization/70965
3621         * passes.def (pass_build_ssa_passes): Add pass_rebuild_cgraph_edges.
3623 2016-11-24  James Greenahlgh  <james.greenhalgh@arm.com>
3625         PR target/78509
3626         * config/i386/i386.c (i386_excess_precision): Do not return
3627         FLT_EVAL_METHOD_UNPREDICTABLE when "type" is
3628         EXCESS_PRECISION_TYPE_STANDARD.
3629         * target.def (excess_precision): Document that targets should
3630         not return FLT_EVAL_METHOD_UNPREDICTABLE when "type" is
3631         EXCESS_PRECISION_TYPE_STANDARD or EXCESS_PRECISION_TYPE_FAST.
3632         Fix typo in first sentence.
3633         * doc/tm.texi: Regenerate.
3635 2016-11-25  Richard Biener  <rguenther@suse.de>
3637         PR tree-optimization/78396
3638         * tree-vectorizer.c (vectorize_loops): When the if-converted
3639         body contains masked loads or stores do not attempt to
3640         basic-block-vectorize it.
3642 2016-11-25  Richard Sandiford  <richard.sandiford@arm.com>
3643             Alan Hayward  <alan.hayward@arm.com>
3644             David Sherwood  <david.sherwood@arm.com>
3646         * function.h (spill_slot_alignment): Declare.
3647         * function.c (spill_slot_alignment): New function.
3648         * lra-spills.c (slot): Add align and size fields.
3649         (assign_mem_slot): Use them in the call to assign_stack_local.
3650         (add_pseudo_to_slot): Update the fields.
3651         (assign_stack_slot_num_and_sort_pseudos): Initialise the fields.
3653 2016-11-25  Richard Sandiford  <richard.sandiford@arm.com>
3654             Alan Hayward  <alan.hayward@arm.com>
3655             David Sherwood  <david.sherwood@arm.com>
3657         * stor-layout.c (layout_type): Allow the caller to set the mode of
3658         a float type.  Only choose one here if the mode is still VOIDmode.
3659         * tree.c (build_common_tree_nodes): Set the type mode of decimal
3660         floats before calling layout_type.
3661         * config/rs6000/rs6000.c (rs6000_init_builtins): Likewise.
3663 2016-11-25  Richard Sandiford  <richard.sandiford@arm.com>
3665         * tree-tailcall.c (find_tail_calls): Allow calls to reference
3666         local variables if all references are known to be direct.
3668 2016-11-25  Jakub Jelinek  <jakub@redhat.com>
3669             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3671         PR middle-end/78501
3672         * tree-vrp.c (extract_range_basic): Check for ptrdiff_type_node to be
3673         non null and it's precision matches precision of lhs's type.
3675 2016-11-24  Martin Sebor  <msebor@redhat.com>
3677         PR tree-optimization/78476
3678         * gimple-ssa-sprintf.c (struct pass_sprintf_length::call_info):
3679         Add a member.
3680         (handle_gimple_call): Adjust signature.
3681         (try_substitute_return_value): Remove calls to bounded functions
3682         with zero buffer size whose result is known.
3683         (pass_sprintf_length::execute): Adjust call to handle_gimple_call.
3685 2016-11-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3687         * varasm.c (assemble_start_function): Wrap align_log definition in
3688         ASM_OUTPUT_MAX_SKIP_ALIGN.
3690 2016-11-24  Uros Bizjak  <ubizjak@gmail.com>
3692         * config/i386/i386.md (wide AND insn to QImode splitter): Use
3693         explicit mode macros.
3694         (wide OR insn to QImode splitter): Ditto.
3696 2016-11-24  Vladimir Makarov  <vmakarov@redhat.com>
3698         PR rtl-optimization/77541
3699         * lra-constraints.c (struct input_reload): Add field match_p.
3700         (get_reload_reg): Check modes of input reloads to generate unique
3701         value reload pseudo.
3702         (match_reload): Add input reload pseudo for the current insn.
3704 2016-11-24  James Greenhalgh  <james.greenhalgh@arm.com>
3706         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Update
3707         __FLT_EVAL_METHOD__ and __FLT_EVAL_METHOD_C99__ when we switch
3708         architecture levels.
3709         * config/aarch64/aarch64.c (aarch64_promoted_type): Only promote
3710         the aarch64_fp16_type_node, not all HFmode types.
3711         (aarch64_libgcc_floating_mode_supported_p): Support HFmode.
3712         (aarch64_scalar_mode_supported_p): Likewise.
3713         (aarch64_excess_precision): New.
3714         (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
3715         (TARGET_SCALAR_MODE_SUPPORTED_P): Likewise.
3716         (TARGET_C_EXCESS_PRECISION): Likewise.
3718 2016-11-24  James Greenhalgh  <james.greenhalgh@arm.com>
3720         * config/aarch64/aarch64-c.c (aarch64_scalar_mode_supported_p): New.
3721         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3723 2016-11-24  James Greenhalgh  <james.greenhalgh@arm.com>
3725         * config/aarch64/aarch64.md (<optab>sihf2): Convert to expand.
3726         (<optab>dihf2): Likewise.
3727         (aarch64_fp16_<optab><mode>hf2): New.
3729 2016-11-24  Alexander Monakov  <amonakov@ispras.ru>
3731         PR target/67822
3732         * config/nvptx/mkoffload.c (main): Allow -fopenmp.
3734 2016-11-24  Eric Botcazou  <ebotcazou@adacore.com>
3736         * common/config/sparc/sparc-common.c (sparc_option_optimization_table):
3737         Enable REE at -O2 and higher.
3738         * config/sparc/sparc.c (sparc_option_override): Disable it by default
3739         in 32-bit mode.
3741 2016-11-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3743         PR target/48863
3744         PR inline-asm/70184
3745         * tree-ssa-ter.c (temp_expr_table): Add reg_vars_cnt field.
3746         (new_temp_expr_table): Initialise reg_vars_cnt.
3747         (free_temp_expr_table): Release reg_vars_cnt.
3748         (process_replaceable): Add reg_vars_cnt argument, set reg_vars_cnt
3749         field of TAB.
3750         (find_replaceable_in_bb): Use the above to record register variable
3751         write occurrences and cancel replacement across them.
3753 2016-11-24  Eric Botcazou  <ebotcazou@adacore.com>
3755         PR rtl-optimization/78437
3756         * ree.c (get_uses): New function.
3757         (combine_reaching_defs): When a copy is needed, return false if any
3758         reaching use of the source register reads it in a mode larger than
3759         the mode it is set in and WORD_REGISTER_OPERATIONS is true.
3761 2016-11-24  Martin Liska  <mliska@suse.cz>
3763         * gimple-pretty-print.c (dump_edge_probability): New function.
3764         (dump_gimple_switch): Dump label edge probabilities.
3765         (dump_gimple_cond): Likewise.
3766         (dump_gimple_label): Dump
3767         (dump_gimple_bb_header): Dump basic block frequency.
3768         (pp_cfg_jump): Replace e->dest argument with e.
3769         (dump_implicit_edges): Likewise.
3770         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at):
3771         Use gimple_bb (at) instead of at->bb.
3773 2016-11-24  Bernd Schmidt  <bschmidt@redhat.com>
3775         * common.opt (flimit-function-alignment): New.
3776         * doc/invoke.texi (-flimit-function-alignment): Document.
3777         * emit-rtl.h (struct rtl_data): Add max_insn_address field.
3778         * final.c (shorten_branches): Set it.
3779         * varasm.c (assemble_start_function): Limit alignment if
3780         requested.
3782 2016-11-24  Richard Biener  <rguenther@suse.de>
3784         PR tree-optimization/71595
3785         * cfgloopmanip.h (remove_path): Add irred_invalidated and
3786         loop_closed_ssa_invalidated parameters, defaulted to NULL.
3787         * cfgloopmanip.c (remove_path): Likewise, pass them along to
3788         called functions.  Only fix irred flags if the caller didn't
3789         request state.
3790         * tree-ssa-loop-ivcanon.c (unloop_loops): Use add_bb_to_loop.
3791         (unloop_loops): Pass irred_invalidated and loop_closed_ssa_invalidated
3792         to remove_path.
3794 2016-11-24  Bernd Schmidt  <bschmidt@redhat.com>
3796         PR rtl-optimization/78120
3797         * ifcvt.c (noce_conversion_profitable_p): Check original cost in all
3798         cases, and additionally test against max_seq_cost for speed
3799         optimization.
3800         (noce_process_if_block): Compute an estimate for the original cost when
3801         optimizing for speed, using the minimum of then and else block costs.
3803         PR rtl-optimization/78120
3804         * rtlanal.c (insn_rtx_cost): Use set_rtx_cost.
3806         PR rtl-optimization/78120
3807         * config/i386/i386.c (ix86_rtx_costs): Fully handle SETs.
3809 2016-11-24  Bin Cheng  <bin.cheng@arm.com>
3811         * match.pd: Refine type conversion in result expr for below pattern:
3812         (cond (cmp (convert1? x) c1) (convert2? x) c2) -> (minmax (x c)).
3814 2016-11-24  Eric Botcazou  <ebotcazou@adacore.com>
3816         PR middle-end/78429
3817         * tree.h (wi::fits_to_boolean_p): New predicate.
3818         (wi::fits_to_tree_p): Use it for boolean types.
3819         * tree.c (int_fits_type_p): Likewise.
3821 2016-11-24  Martin Liska  <mliska@suse.cz>
3823         * print-tree.c (struct bucket): Remove.
3824         (print_node): Add new argument which drives whether a tree node
3825         is printed briefly or not.
3826         (debug_tree): Replace a custom hash table with hash_set<T>.
3827         * print-tree.h (print_node): Add the argument.
3829 2016-11-24  Chung-Lin Tang  <cltang@codesourcery.com>
3831         * config/nios2/nios2.c (nios2_init_libfuncs): Add ATTRIBUTE_UNUSED.
3833 2016-11-23  Peter Bergner  <bergner@vnet.ibm.com>
3835         PR target/78458
3836         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return MODE
3837         if it is at least NREGS wide.
3839 2016-11-23  Joseph Myers  <joseph@codesourcery.com>
3841         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p): For
3842         TARGET_E500_DOUBLE. handle TDmode, TImode and PTImode the same as
3843         TFmode, IFmode and KFmode.
3845 2016-11-23  Joseph Myers  <joseph@codesourcery.com>
3847         * config/rs6000/spe.md (*frob_<SPE64:mode>_ti_8): New insn
3848         pattern.
3850 2016-11-23  Segher Boessenkool  <segher@kernel.crashing.org>
3852         * combine.c (change_zero_ext): Only change the mode of a hard register
3853         destination if can_change_dest_mode holds for that.
3855 2016-11-23  Jeff Law  <law@redhat.com>
3857         * varasm.c (assemble_name): Increase buffer size for name.
3859         * config/spu/spu.md (floatunsdidf2): Remove unused local variable.
3861 2016-11-23  Jakub Kicinski  <jakub.kicinski@netronome.com>
3863         * doc/extend.texi: Constify first argument to __builtin_object_size.
3865 2016-11-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3867         * opth-gen.awk: Use unsigned shifts for bit masks.  Allow all bits
3868         to be used.  Add brackets around macro argument.
3870 2016-11-23  Uros Bizjak  <ubizjak@gmail.com>
3872         * config/i386/i386.md (*<any_or:code>hi_1): Fix operand 2 constraints.
3874 2016-11-23  Jakub Jelinek  <jakub@redhat.com>
3876         PR sanitizer/69278
3877         * opts.c (parse_sanitizer_options): For -fsanitize=undefined,
3878         restore enabling also SANITIZE_UNREACHABLE and SANITIZE_RETURN.
3880 2016-11-23  Jakub Jelinek  <jakub@redhat.com>
3882         PR middle-end/69183
3883         * omp-low.c (build_outer_var_ref): Change lastprivate argument
3884         to code, pass it recursively, adjust uses.  For OMP_CLAUSE_PRIVATE
3885         on worksharing constructs, treat it like clauses on simd construct.
3886         Formatting fix.
3887         (lower_rec_input_clauses): For OMP_CLAUSE_PRIVATE_OUTER_REF pass
3888         OMP_CLAUSE_PRIVATE as last argument to build_outer_var_ref.
3889         (lower_lastprivate_clauses): Pass OMP_CLAUSE_LASTPRIVATE instead
3890         of true as last argument to build_outer_var_ref.
3892 2016-11-23  Uros Bizjak  <ubizjak@gmail.com>
3894         * config/i386/i386.md (*movqi_internal): Calculate mode
3895         attribute of alternatives 7,8,9 depending on TARGET_AVX512DQ.
3896         <TYPE_MSKMOV>: Emit kmovw for MODE_HI insn mode attribute.
3897         (*k<logic><mode>): Calculate mode attribute depending on
3898         TARGET_AVX512DQ.  Emit k<logic>w for MODE_HI insn mode attribute.
3899         (*andqi_1): Calculate mode attribute of alternative 3 depending
3900         on TARGET_AVX512DQ.  Emit kandw for MODE_HI insn mode attribute.
3901         (kandn<mode>): Calculate mode attribute of alternative 2 depending
3902         on TARGET_AVX512DQ.  Emit kandnw for MODE_HI insn mode attribute.
3903         (kxnor<mode>): Merge insn patterns using SWI1248_AVX512BW mode
3904         iterator.  Calculate mode attribute of alternative 1 depending
3905         on TARGET_AVX512DQ.  Emit kxnorw for MODE_HI insn mode attribute.
3906         (*one_cmplqi2_1): Calculate mode attribute of alternative 2 depending
3907         on TARGET_AVX512DQ.  Emit knotw for MODE_HI insn mode attribute.
3909 2016-11-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3911         PR middle-end/78153
3912         * gimple-fold.c (fold_stmt_1): Handle case for GIMPLE_RETURN.
3913         * tree-vrp.c (extract_range_basic): Handle case for
3914         CFN_BUILT_IN_STRLEN.
3916 2016-11-23  Jeff Law  <law@redhat.com>
3918         * config/mcore/mcore.c (emit_new_cond_insn): Fix prototype.
3920         * config/iq2000/iq2000.c (iq2000_rtx_costs): Avoid multiplication
3921         in boolean context warning.
3923         * config/ia64/ia64.c (ia64_emit_insn_before): Fix prototype.
3925 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3927         PR target/63250
3928         * config/arm/arm-builtins.c (arm_simd_floatHF_type_node): Rename to...
3929         (arm_fp16_type_node): ...This, make visibile.
3930         (arm_simd_builtin_std_type): Rename arm_simd_floatHF_type_node to
3931         arm_fp16_type_node.
3932         (arm_init_simd_builtin_types): Likewise.
3933         (arm_init_fp16_builtins): Likewise.
3934         * config/arm/arm.c (arm_excess_precision): New.
3935         (arm_floatn_mode): Likewise.
3936         (TARGET_C_EXCESS_PRECISION): Likewise.
3937         (TARGET_FLOATN_MODE): Likewise.
3938         (arm_promoted_type): Only promote arm_fp16_type_node.
3939         * config/arm/arm.h (arm_fp16_type_node): Declare.
3941 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3943         * config/arm/arm.c (arm_convert_to_type): Delete.
3944         (TARGET_CONVERT_TO_TYPE): Delete.
3945         (arm_init_libfuncs): Enable trunc_optab from DFmode to HFmode.
3946         (arm_libcall_uses_aapcs_base): Add trunc_optab from DF- to HFmode.
3947         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): New.
3948         * config/arm/arm.md (truncdfhf2): Only convert through SFmode if we
3949         are in fast math mode, and have no single step hardware instruction.
3950         (extendhfdf2): Only expand through SFmode if we don't have a
3951         single-step hardware instruction.
3952         * config/arm/vfp.md (*truncdfhf2): New.
3953         (extendhfdf2): Likewise.
3955 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3957         * targhooks.c (default_floatn_mode): Enable _Float16 if a target
3958         provides HFmode.
3960 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3962         * config/s390/s390.h (TARGET_FLT_EVAL_METHOD): Delete.
3963         * config/m68k/m68k.h (TARGET_FLT_EVAL_METHOD): Delete.
3964         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Delete.
3965         * defaults.h (TARGET_FLT_EVAL_METHOD): Delete.
3966         * doc/tm.texi.in (TARGET_FLT_EVAL_METHOD): Delete.
3967         * doc/tm.texi: Regenerate.
3968         * system.h (TARGET_FLT_EVAL_METHOD): Poison.
3970 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3972         * toplev.c (init_excess_precision): Delete most logic.
3973         * tree.c (excess_precision_type): Rewrite to use
3974         TARGET_EXCESS_PRECISION.
3975         * doc/invoke.texi (-fexcess-precision): Document behaviour in a
3976         more generic fashion.
3977         * ginclude/float.h: Wrap definition of FLT_EVAL_METHOD in
3978         __STDC_WANT_IEC_60559_TYPES_EXT__.
3980 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3982         * common.opt (fpermitted-flt-eval-methods): New.
3983         * doc/invoke.texi (-fpermitted-flt-eval-methods): Document it.
3984         * flag_types.h (permitted_flt_eval_methods): New.
3986 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3988         * config/m68k/m68k.c (m68k_excess_precision): New.
3989         (TARGET_C_EXCESS_PRECISION): Define.
3991 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3993         * config/s390/s390.c (s390_excess_precision): New.
3994         (TARGET_C_EXCESS_PRECISION): Define.
3996 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3998         * config/i386/i386.c (ix86_excess_precision): New.
3999         (TARGET_C_EXCESS_PRECISION): Define.
4001 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
4003         * target.def (excess_precision): New hook.
4004         * target.h (flt_eval_method): New.
4005         (excess_precision_type): Likewise.
4006         * targhooks.c (default_excess_precision): New.
4007         * targhooks.h (default_excess_precision): New.
4008         * doc/tm.texi.in (TARGET_C_EXCESS_PRECISION): New.
4009         * doc/tm.texi: Regenerate.
4011 2016-11-23  Martin Sebor  <msebor@redhat.com>
4013         PR middle-end/78461
4014         * gimple-ssa-sprintf.c (format_string): Correct the maxima and
4015         set the minimum number of bytes for an unknown string to zero.
4017 2016-11-23  Martin Jambor  <mjambor@suse.cz>
4018             Martin Liska  <mliska@suse.cz>
4020         * hsa-builtins.def: New file.
4021         * Makefile.in (BUILTINS_DEF): Add hsa-builtins.def dependency.
4022         * builtins.def: Include hsa-builtins.def.
4023         (DEF_HSA_BUILTIN): New macro.
4024         * dumpfile.h (OPTGROUP_OPENMP): Define.
4025         * dumpfile.c (optgroup_options): Added OPTGROUP_OPENMP.
4026         * gimple.h (gf_mask): Added elements GF_OMP_FOR_GRID_INTRA_GROUP and
4027         GF_OMP_FOR_GRID_GROUP_ITER.
4028         (gimple_omp_for_grid_phony): Added checking assert.
4029         (gimple_omp_for_set_grid_phony): Likewise.
4030         (gimple_omp_for_grid_intra_group): New function.
4031         (gimple_omp_for_set_grid_intra_group): Likewise.
4032         (gimple_omp_for_grid_group_iter): Likewise.
4033         (gimple_omp_for_set_grid_group_iter): Likewise.
4034         * omp-low.c (check_omp_nesting_restrictions): Allow GRID loop where
4035         previosuly only distribute loop was permitted.
4036         (lower_lastprivate_clauses): Allow non tcc_comparison predicates.
4037         (grid_get_kernel_launch_attributes): Support multiple HSA grid
4038         dimensions.
4039         (grid_expand_omp_for_loop): Likewise and also support standalone
4040         distribute constructs.  New parameter INTRA_GROUP, updated both users.
4041         (grid_expand_target_grid_body): Support standalone distribute
4042         constructs.
4043         (pass_data_expand_omp): Changed optinfo_flags to OPTGROUP_OPENMP.
4044         (pass_data_expand_omp_ssa): Likewise.
4045         (pass_data_omp_device_lower): Likewsie.
4046         (pass_data_lower_omp): Likewise.
4047         (pass_data_diagnose_omp_blocks): Likewise.
4048         (pass_data_oacc_device_lower): Likewise.
4049         (pass_data_omp_target_link): Likewise.
4050         (grid_lastprivate_predicate): New function.
4051         (lower_omp_for_lastprivate): Call grid_lastprivate_predicate for
4052         gridified loops.
4053         (lower_omp_for): Support standalone distribute constructs.
4054         (grid_prop): New type.
4055         (grid_safe_assignment_p): Check for assignments to group_sizes, new
4056         parameter GRID.
4057         (grid_seq_only_contains_local_assignments): New parameter GRID, pass
4058         it to callee.
4059         (grid_find_single_omp_among_assignments_1): Likewise, improve missed
4060         optimization info messages.
4061         (grid_find_single_omp_among_assignments): Likewise.
4062         (grid_find_ungridifiable_statement): Do not bail out for SIMDs.
4063         (grid_parallel_clauses_gridifiable): New function.
4064         (grid_inner_loop_gridifiable_p): Likewise.
4065         (grid_dist_follows_simple_pattern): Likewise.
4066         (grid_gfor_follows_tiling_pattern): Likewise.
4067         (grid_call_permissible_in_distribute_p): Likewise.
4068         (grid_handle_call_in_distribute): Likewise.
4069         (grid_dist_follows_tiling_pattern): Likewise.
4070         (grid_target_follows_gridifiable_pattern): Support standalone
4071         distribute constructs.
4072         (grid_var_segment): New enum.
4073         (grid_mark_variable_segment): New function.
4074         (grid_copy_leading_local_assignments): Call grid_mark_variable_segment
4075         if a new argument says so.
4076         (grid_process_grid_body): New function.
4077         (grid_eliminate_combined_simd_part): Likewise.
4078         (grid_mark_tiling_loops): Likewise.
4079         (grid_mark_tiling_parallels_and_loops): Likewise.
4080         (grid_process_kernel_body_copy): Support standalone distribute
4081         constructs.
4082         (grid_attempt_target_gridification): New grid variable holding overall
4083         gridification state.  Support standalone distribute constructs and
4084         collapse clauses.
4085         * doc/optinfo.texi (Optimization groups): Document OPTGROUP_OPENMP.
4086         * hsa.h (hsa_bb): Add method method append_phi.
4087         (hsa_insn_br): Renamed to hsa_insn_cbr, renamed all
4088         occurences in all files too.
4089         (hsa_insn_br): New class, now the ancestor of hsa_incn_cbr.
4090         (is_a_helper <hsa_insn_br *>::test): New function.
4091         (is_a_helper <hsa_insn_cbr *>::test): Adjust to only cover conditional
4092         branch instructions.
4093         (hsa_insn_signal): Make a direct descendant of
4094         hsa_insn_basic.  Add memorder constructor parameter and
4095         m_memory_order and m_signalop member variables.
4096         (hsa_insn_queue): Changed constructor parameters to common form.
4097         Added m_segment and m_memory_order member variables.
4098         (hsa_summary_t): Add private member function
4099         process_gpu_implementation_attributes.
4100         (hsa_function_summary): Rename m_binded_function to
4101         m_bound_function.
4102         (hsa_insn_basic_p): Remove typedef.
4103         (hsa_op_with_type): Change hsa_insn_basic_p into plain pointers.
4104         (hsa_op_reg_p): Remove typedef.
4105         (hsa_function_representation): Change hsa_op_reg_p into plain
4106         pointers.
4107         (hsa_insn_phi): Removed new and delete operators.
4108         (hsa_insn_br): Likewise.
4109         (hsa_insn_cbr): Likewise.
4110         (hsa_insn_sbr): Likewise.
4111         (hsa_insn_cmp): Likewise.
4112         (hsa_insn_mem): Likewise.
4113         (hsa_insn_atomic): Likewise.
4114         (hsa_insn_signal): Likewise.
4115         (hsa_insn_seg): Likewise.
4116         (hsa_insn_call): Likewise.
4117         (hsa_insn_arg_block): Likewise.
4118         (hsa_insn_comment): Likewise.
4119         (hsa_insn_srctype): Likewise.
4120         (hsa_insn_packed): Likewise.
4121         (hsa_insn_cvt): Likewise.
4122         (hsa_insn_alloca): Likewise.
4123         * hsa.c (hsa_destroy_insn): Also handle instances of hsa_insn_br.
4124         (process_gpu_implementation_attributes): New function.
4125         (link_functions): Move some functionality into it.  Adjust after
4126         renaming m_binded_functions to m_bound_functions.
4127         (hsa_insn_basic::op_output_p): Add BRIG_OPCODE_DEBUGTRAP
4128         to the list of instructions with no output registers.
4129         (get_in_type): Return this if it is a register of
4130         matching size.
4131         (hsa_get_declaration_name): Moved to...
4132         * hsa-gen.c (hsa_get_declaration_name): ...here.  Allocate
4133         temporary string on an obstack instead from ggc.
4134         (query_hsa_grid): Renamed to query_hsa_grid_dim, reimplemented, cut
4135         down to two overloads.
4136         (hsa_allocp_operand_address): Removed.
4137         (hsa_allocp_operand_immed): Likewise.
4138         (hsa_allocp_operand_reg): Likewise.
4139         (hsa_allocp_operand_code_list): Likewise.
4140         (hsa_allocp_operand_operand_list): Likewise.
4141         (hsa_allocp_inst_basic): Likewise.
4142         (hsa_allocp_inst_phi): Likewise.
4143         (hsa_allocp_inst_mem): Likewise.
4144         (hsa_allocp_inst_atomic): Likewise.
4145         (hsa_allocp_inst_signal): Likewise.
4146         (hsa_allocp_inst_seg): Likewise.
4147         (hsa_allocp_inst_cmp): Likewise.
4148         (hsa_allocp_inst_br): Likewise.
4149         (hsa_allocp_inst_sbr): Likewise.
4150         (hsa_allocp_inst_call): Likewise.
4151         (hsa_allocp_inst_arg_block): Likewise.
4152         (hsa_allocp_inst_comment): Likewise.
4153         (hsa_allocp_inst_queue): Likewise.
4154         (hsa_allocp_inst_srctype): Likewise.
4155         (hsa_allocp_inst_packed): Likewise.
4156         (hsa_allocp_inst_cvt): Likewise.
4157         (hsa_allocp_inst_alloca): Likewise.
4158         (hsa_allocp_bb): Likewise.
4159         (hsa_obstack): New.
4160         (hsa_init_data_for_cfun): Initialize obstack.
4161         (hsa_deinit_data_for_cfun): Release memory of the obstack.
4162         (hsa_op_immed::operator new): Use obstack instead of object_allocator.
4163         (hsa_op_reg::operator new): Likewise.
4164         (hsa_op_address::operator new): Likewise.
4165         (hsa_op_code_list::operator new): Likewise.
4166         (hsa_op_operand_list::operator new): Likewise.
4167         (hsa_insn_basic::operator new): Likewise.
4168         (hsa_insn_phi::operator new): Likewise.
4169         (hsa_insn_br::operator new): Likewise.
4170         (hsa_insn_sbr::operator new): Likewise.
4171         (hsa_insn_cmp::operator new): Likewise.
4172         (hsa_insn_mem::operator new): Likewise.
4173         (hsa_insn_atomic::operator new): Likewise.
4174         (hsa_insn_signal::operator new): Likewise.
4175         (hsa_insn_seg::operator new): Likewise.
4176         (hsa_insn_call::operator new): Likewise.
4177         (hsa_insn_arg_block::operator new): Likewise.
4178         (hsa_insn_comment::operator new): Likewise.
4179         (hsa_insn_srctype::operator new): Likewise.
4180         (hsa_insn_packed::operator new): Likewise.
4181         (hsa_insn_cvt::operator new): Likewise.
4182         (hsa_insn_alloca::operator new): Likewise.
4183         (hsa_init_new_bb): Likewise.
4184         (hsa_bb::append_phi): New function.
4185         (gen_hsa_phi_from_gimple_phi): Use it.
4186         (get_symbol_for_decl): Fix dinstinguishing between
4187         global and local functions.  Put local variables into a segment
4188         according to their attribute or static flag, if there is one.
4189         (hsa_insn_br::hsa_insn_br): New.
4190         (hsa_insn_br::operator new): Likewise.
4191         (hsa_insn_cbr::hsa_insn_cbr): Set width via ancestor constructor.
4192         (query_hsa_grid_nodim): New function.
4193         (multiply_grid_dim_characteristics): Likewise.
4194         (gen_get_num_threads): Likewise.
4195         (gen_get_num_teams): Reimplemented.
4196         (gen_get_team_num): Likewise.
4197         (gen_hsa_insns_for_known_library_call): Updated calls to the above
4198         helper functions.
4199         (get_memory_order_name): Removed.
4200         (get_memory_order): Likewise.
4201         (hsa_memorder_from_tree): New function.
4202         (gen_hsa_ternary_atomic_for_builtin): Renamed to
4203         gen_hsa_atomic_for_builtin, can also create signals.
4204         (gen_hsa_insns_for_call): Handle many new builtins.  Adjust to use
4205         hsa_memory_order_from_tree and gen_hsa_atomic_for_builtin.
4206         (hsa_insn_atomic): Fix function comment.
4207         (hsa_insn_signal::hsa_insn_signal): Fix comment.  Update call to
4208         ancestor constructor and initialization of new member variables.
4209         (hsa_insn_queue::hsa_insn_queue): Added initialization of new
4210         member variables.
4211         (hsa_get_host_function): Handle functions with no bound CPU
4212         implementation.  Fix binded to bound.
4213         (get_brig_function_name): Likewise.
4214         (HSA_SORRY_ATV): Remove semicolon after macro.
4215         (HSA_SORRY_AT): Likewise.
4216         (omp_simple_builtin::generate): Add missing semicolons.
4217         (hsa_insn_phi::operator new): Removed.
4218         (hsa_insn_br::operator new): Likewise.
4219         (hsa_insn_cbr::operator new): Likewise.
4220         (hsa_insn_sbr::operator new): Likewise.
4221         (hsa_insn_cmp::operator new): Likewise.
4222         (hsa_insn_mem::operator new): Likewise.
4223         (hsa_insn_atomic::operator new): Likewise.
4224         (hsa_insn_signal::operator new): Likewise.
4225         (hsa_insn_seg::operator new): Likewise.
4226         (hsa_insn_call::operator new): Likewise.
4227         (hsa_insn_arg_block::operator new): Likewise.
4228         (hsa_insn_comment::operator new): Likewise.
4229         (hsa_insn_srctype::operator new): Likewise.
4230         (hsa_insn_packed::operator new): Likewise.
4231         (hsa_insn_cvt::operator new): Likewise.
4232         (hsa_insn_alloca::operator new): Likewise.
4233         (get_symbol_for_decl): Accept CONST_DECLs, put them to
4234         readonly segment.
4235         (gen_hsa_addr): Also process CONST_DECLs.
4236         (gen_hsa_addr_insns): Process CONST_DECLs by creating private
4237         copies.
4238         (gen_hsa_unary_operation): Make sure the function does
4239         not use bittype source type for firstbit and lastbit operations.
4240         (gen_hsa_popcount_to_dest): Make sure the function uses a bittype
4241         source type.
4242         * hsa-brig.c (emit_insn_operands): Cope with zero operands in an
4243         instruction.
4244         (emit_branch_insn): Renamed to emit_cond_branch_insn.
4245         Emit the width stored in the class.
4246         (emit_generic_branch_insn): New function.
4247         (emit_insn): Call emit_generic_branch_insn.
4248         (emit_signal_insn): Remove obsolete comment.  Update
4249         member variable name, pick a type according to profile.
4250         (emit_alloca_insn): Remove obsolete comment.
4251         (emit_atomic_insn): Likewise.
4252         (emit_queue_insn): Get segment and memory order from the IR object.
4253         (hsa_brig_section): Make allocate_new_chunk, chunks
4254         and cur_chunk provate, add a default NULL parameter to add method.
4255         (hsa_brig_section::add): Added a new parameter, store pointer to
4256         output data there if it is non-NULL.
4257         (emit_function_directives): Use this new parameter instead of
4258         calculating the pointer itself, fix function comment.
4259         (hsa_brig_emit_function): Add forgotten endian conversion.
4260         (hsa_output_kernels): Remove unnecessary building of
4261         kernel_dependencies_vector_type.
4262         (emit_immediate_operand): Declare.
4263         (emit_directive_variable): Also emit initializers of CONST_DECLs.
4264         (gen_hsa_insn_for_internal_fn_call): Also handle IFN_RSQRT.
4265         (verify_function_arguments): Properly detect variadic
4266         arguments.
4267         * hsa-dump.c (hsa_width_specifier_name): New function.
4268         (dump_hsa_insn_1): Dump generic branch instructions, update signal
4269         member variable name.  Special dumping for queue objects.
4270         * ipa-hsa.c (process_hsa_functions): Adjust after renaming
4271         m_binded_functions to m_bound_functions.  Copy externally visible flag
4272         to the node.
4273         (ipa_hsa_write_summary): Likewise.
4274         (ipa_hsa_read_section): Likewise.
4276 2016-11-23  Richard Biener  <rguenther@suse.de>
4278         PR tree-optimization/78396
4279         * tree-vectorizer.c (vectorize_loops): If an innermost loop didn't
4280         vectorize try vectorizing an if-converted body using BB vectorization.
4282 2016-11-23  Richard Sandiford  <richard.sandiford@arm.com>
4283             Alan Hayward  <alan.hayward@arm.com>
4284             David Sherwood  <david.sherwood@arm.com>
4286         * rtlanal.c (subreg_get_info): Use more local variables.
4287         Remark that for HARD_REGNO_NREGS_HAS_PADDING, each scalar unit
4288         occupies at least one register.  Assume that full hard registers
4289         have consistent endianness.  Share previously-duplicated if block.
4290         Rework the main handling so that it operates on independently-
4291         addressable YMODE-sized blocks.  Use subreg_size_lowpart_offset
4292         to check lowpart offsets, without trying to find an equivalent
4293         integer mode first.  Handle WORDS_BIG_ENDIAN != REG_WORDS_BIG_ENDIAN
4294         as a final register-endianness correction.
4296 2016-11-23  Segher Boessenkool  <segher@kernel.crashing.org>
4298         PR target/77881
4299         PR bootstrap/78390
4300         PR target/78438
4301         PR bootstrap/78477
4302         * combine.c (make_compound_operation_int): Do not convert a subreg of
4303         a non-constant logical shift right to a zero_extract.  Handle the case
4304         where some zero bits have been shifted into the range covered by that
4305         subreg.
4307 2016-11-23  Richard Sandiford  <richard.sandiford@arm.com>
4308             Alan Hayward  <alan.hayward@arm.com>
4309             David Sherwood  <david.sherwood@arm.com>
4311         * rtl.h (subreg_size_offset_from_lsb): Declare.
4312         (subreg_offset_from_lsb): New function.
4313         (subreg_size_lowpart_offset): Declare.
4314         (subreg_lowpart_offset): Turn into an inline function.
4315         (subreg_size_highpart_offset): Declare.
4316         (subreg_highpart_offset): Turn into an inline function.
4317         * emit-rtl.c (subreg_size_lowpart_offset): New function.
4318         (subreg_size_highpart_offset): Likewise
4319         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
4321 2016-11-23  Richard Biener  <rguenther@suse.de>
4323         PR tree-optimization/78482
4324         * tree-cfgcleanup.c: Include tree-ssa-loop-niter.h.
4325         (remove_forwarder_block_with_phi): When merging with a loop
4326         header creates a new latch reset number of iteration information
4327         of the loop.
4329 2016-11-23  Eric Botcazou  <ebotcazou@adacore.com>
4331         * config/sparc/sparc.md (*ashrsi3_extend): Rename to...
4332         (*ashrsi3_extend0): ...this.  Accept constant integers.
4333         (*ashrsi3_extend2): Rename to...
4334         (*ashrsi3_extend1): ...this.
4335         (*ashrsi3_extend2): New pattern.
4336         (*lshrsi3_extend1): Accept constant integers.
4337         (*lshrsi3_extend2): Fix condition on operand 2.
4339 2016-11-23  Martin Liska  <mliska@suse.cz>
4341         * config/i386/i386.c: Initialize function pointer to NULL.
4343 2016-11-23  Bin Cheng  <bin.cheng@arm.com>
4345         * fold-const.c (fold_cond_expr_with_comparison): Move simplification
4346         for A == C1 ? A : C2 to below.
4347         * match.pd: Move from above to here:
4348         (cond (eq (convert1? x) c1) (convert2? x) c2)
4349           -> (cond (eq x c1) c1 c2).
4351 2016-11-23  Bin Cheng  <bin.cheng@arm.com>
4353         * fold-const.c (fold_cond_expr_with_comparison): Move simplification
4354         for A cmp C1 ? A : C2 to below, also simplify remaining code.
4355         * match.pd: Move and extend simplification from above to here:
4356         (cond (cmp (convert1? x) c1) (convert2? x) c2) -> (minmax (x c)).
4357         * tree-if-conv.c (ifcvt_follow_ssa_use_edges): New func.
4358         (predicate_scalar_phi): Call fold_stmt using the new valueize func.
4360 2016-11-23  Martin Liska  <mliska@suse.cz>
4361             Martin Jambor  <mjambor@suse.cz>
4363         * doc/install.texi: Remove entry about --with-hsa-kmt-lib.
4365 2016-11-23  Aldy Hernandez  <aldyh@redhat.com>
4367         PR target/78213
4368         * opts.c (finish_options): Set -fsyntax-only if running self tests.
4370 2016-11-23  Richard Biener  <rguenther@suse.de>
4372         PR middle-end/71762
4373         * match.pd ((~X & Y) -> X < Y, (X & ~Y) -> Y < X,
4374         (~X | Y) -> X <= Y, (X | ~Y) -> Y <= X): Remove.
4376 2016-11-23  Richard Biener  <rguenther@suse.de>
4378         PR lto/78472
4379         * tree.c (gimple_canonical_types_compatible_p): Ignore zero-sized
4380         fields.
4382 2016-11-23  Richard Biener  <rguenther@suse.de>
4383             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.rog>
4385         PR tree-optimization/78154
4386         * tree-vrp.c (gimple_stmt_nonzero_warnv_p): Return true if function
4387         returns it's argument and the argument is nonnull.
4388         * builtin-attrs.def: Define ATTR_RETURNS_NONNULL,
4389         ATT_RETNONNULL_NOTHROW_LEAF.
4390         * builtins.def (BUILT_IN_MEMPCPY): Change attribute to
4391         ATTR_RETNONNULL_NOTHROW_LEAF.
4392         (BUILT_IN_STPCPY): Likewise.
4393         (BUILT_IN_STPNCPY): Likewise.
4394         (BUILT_IN_MEMPCPY_CHK): Likewise.
4395         (BUILT_IN_STPCPY_CHK): Likewise.
4396         (BUILT_IN_STPNCPY_CHK): Likewise.
4397         (BUILT_IN_STRCAT): Change attribute to ATTR_RET1_NOTHROW_NONNULL_LEAF.
4398         (BUILT_IN_STRNCAT): Likewise.
4399         (BUILT_IN_STRNCPY): Likewise.
4400         (BUILT_IN_MEMSET_CHK): Likewise.
4401         (BUILT_IN_STRCAT_CHK): Likewise.
4402         (BUILT_IN_STRCPY_CHK): Likewise.
4403         (BUILT_IN_STRNCAT_CHK): Likewise.
4404         (BUILT_IN_STRNCPY_CHK): Likewise.
4406 2016-11-23  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>
4408         * fold-const.c (tree_expr_nonzero_p) : Make non-static.
4409         * fold-const.h (tree_expr_nonzero_p) : Declare.
4410         * match.pd (cmp (mult:c @0 @1) (mult:c @2 @1) : New Pattern.
4412 2016-11-23  Paolo Bonzini  <bonzini@gnu.org>
4414         * system.h (HAVE_DESIGNATED_INITIALIZERS,
4415         HAVE_DESIGNATED_UNION_INITIALIZERS): Do not use
4416         "defined" in macros.
4417         * doc/cpp.texi (Defined): Mention -Wexpansion-to-defined.
4418         * doc/cppopts.texi (Invocation): Document -Wexpansion-to-defined.
4419         * doc/invoke.texi (Warning Options): Document -Wexpansion-to-defined.
4421 2016-11-23  Georg-Johann Lay  <avr@gjlay.de>
4423         PR target/60300
4424         * config/avr/constraints.md (Csp): Widen range to [-11..6].
4425         * config/avr/avr.c (avr_prologue_setup_frame): Limit number
4426         of RCALLs in prologue to 3.
4428 2016-11-22  Michael Collison  <michael.collison@arm.com>
4430         * config/aarch64/aarch64-protos.h
4431         (aarch64_and_split_imm1, aarch64_and_split_imm2)
4432         (aarch64_and_bitmask_imm): New prototypes
4433         * config/aarch64/aarch64.c (aarch64_and_split_imm1):
4434         New overloaded function to create bit mask covering the
4435         lowest to highest bits set.
4436         (aarch64_and_split_imm2): New overloaded functions to create bit
4437         mask of zeros between first and last bit set.
4438         (aarch64_and_bitmask_imm): New function to determine if a integer
4439         is a valid two instruction "and" operation.
4440         * config/aarch64/aarch64.md:(and<mode>3): New define_insn and _split
4441         allowing wider range of constants with "and" operations.
4442         * (ior<mode>3, xor<mode>3): Use new LOGICAL2 iterator to prevent
4443         "and" operator from matching restricted constant range used for
4444         ior and xor operators.
4445         * config/aarch64/constraints.md (UsO constraint): New SImode constraint
4446         for constants in "and" operantions.
4447         (UsP constraint): New DImode constraint for constants
4448         in "and" operations.
4449         * config/aarch64/iterators.md (lconst2): New mode iterator.
4450         (LOGICAL2): New code iterator.
4451         * config/aarch64/predicates.md (aarch64_logical_and_immediate): New
4452         predicate.
4453         (aarch64_logical_and_operand): New predicate allowing extended
4454         constants for "and" operations.
4456 2016-11-22  Walter Lee  <walt@tilera.com>
4458         * config/tilegx/tilegx.md (trap): New pattern.
4459         * config/tilepro/tilepro.md (trap): Likewise.
4461 2016-11-22  Walter Lee  <walt@tilera.com>
4463         * config/tilegx/tilegx.md (*zero_extract): Use
4464         define_insn_and_split instead of define_insn; Handle pos + size >
4465         64.
4466         (*sign_extract): Likewise.
4468 2016-11-22  Marek Polacek  <polacek@redhat.com>
4470         PR tree-optimization/78455
4471         * tree-ssa-uninit.c (can_chain_union_be_invalidated_p): Fix typo.
4473 2016-11-22  Ian Lance Taylor  <iant@golang.org>
4475         PR go/78431
4476         PR go/78432
4477         * godump.c (go_format_type): Always pass alignment as 1 when
4478         calling go_append_padding at end of struct/union.
4480 2016-11-22  Jakub Jelinek  <jakub@redhat.com>
4482         PR target/78451
4483         * config/i386/avx512bwintrin.h (_mm512_setzero_qi,
4484         _mm512_setzero_hi): Removed.
4485         (_mm512_maskz_mov_epi16, _mm512_maskz_loadu_epi16,
4486         _mm512_maskz_mov_epi8, _mm512_maskz_loadu_epi8,
4487         _mm512_maskz_broadcastb_epi8, _mm512_maskz_set1_epi8,
4488         _mm512_maskz_broadcastw_epi16, _mm512_maskz_set1_epi16,
4489         _mm512_mulhrs_epi16, _mm512_maskz_mulhrs_epi16, _mm512_mulhi_epi16,
4490         _mm512_maskz_mulhi_epi16, _mm512_mulhi_epu16,
4491         _mm512_maskz_mulhi_epu16, _mm512_maskz_mullo_epi16,
4492         _mm512_cvtepi8_epi16, _mm512_maskz_cvtepi8_epi16, _mm512_cvtepu8_epi16,
4493         _mm512_maskz_cvtepu8_epi16, _mm512_permutexvar_epi16,
4494         _mm512_maskz_permutexvar_epi16, _mm512_avg_epu8, _mm512_maskz_avg_epu8,
4495         _mm512_maskz_add_epi8, _mm512_maskz_sub_epi8, _mm512_avg_epu16,
4496         _mm512_maskz_avg_epu16, _mm512_subs_epi8, _mm512_maskz_subs_epi8,
4497         _mm512_subs_epu8, _mm512_maskz_subs_epu8, _mm512_adds_epi8,
4498         _mm512_maskz_adds_epi8, _mm512_adds_epu8, _mm512_maskz_adds_epu8,
4499         _mm512_maskz_sub_epi16, _mm512_subs_epi16, _mm512_maskz_subs_epi16,
4500         _mm512_subs_epu16, _mm512_maskz_subs_epu16, _mm512_maskz_add_epi16,
4501         _mm512_adds_epi16, _mm512_maskz_adds_epi16, _mm512_adds_epu16,
4502         _mm512_maskz_adds_epu16, _mm512_srl_epi16, _mm512_maskz_srl_epi16,
4503         _mm512_packs_epi16, _mm512_sll_epi16, _mm512_maskz_sll_epi16,
4504         _mm512_maddubs_epi16, _mm512_maskz_maddubs_epi16, _mm512_unpackhi_epi8,
4505         _mm512_maskz_unpackhi_epi8, _mm512_unpackhi_epi16,
4506         _mm512_maskz_unpackhi_epi16, _mm512_unpacklo_epi8,
4507         _mm512_maskz_unpacklo_epi8, _mm512_unpacklo_epi16,
4508         _mm512_maskz_unpacklo_epi16, _mm512_shuffle_epi8,
4509         _mm512_maskz_shuffle_epi8, _mm512_min_epu16, _mm512_maskz_min_epu16,
4510         _mm512_min_epi16, _mm512_maskz_min_epi16, _mm512_max_epu8,
4511         _mm512_maskz_max_epu8, _mm512_max_epi8, _mm512_maskz_max_epi8,
4512         _mm512_min_epu8, _mm512_maskz_min_epu8, _mm512_min_epi8,
4513         _mm512_maskz_min_epi8, _mm512_max_epi16, _mm512_maskz_max_epi16,
4514         _mm512_max_epu16, _mm512_maskz_max_epu16, _mm512_sra_epi16,
4515         _mm512_maskz_sra_epi16, _mm512_srav_epi16, _mm512_maskz_srav_epi16,
4516         _mm512_srlv_epi16, _mm512_maskz_srlv_epi16, _mm512_sllv_epi16,
4517         _mm512_maskz_sllv_epi16, _mm512_maskz_packs_epi16, _mm512_packus_epi16,
4518         _mm512_maskz_packus_epi16, _mm512_abs_epi8, _mm512_maskz_abs_epi8,
4519         _mm512_abs_epi16, _mm512_maskz_abs_epi16, _mm512_dbsad_epu8,
4520         _mm512_maskz_dbsad_epu8, _mm512_srli_epi16, _mm512_maskz_srli_epi16,
4521         _mm512_slli_epi16, _mm512_maskz_slli_epi16, _mm512_shufflehi_epi16,
4522         _mm512_maskz_shufflehi_epi16, _mm512_shufflelo_epi16,
4523         _mm512_maskz_shufflelo_epi16, _mm512_srai_epi16,
4524         _mm512_maskz_srai_epi16, _mm512_packs_epi32,
4525         _mm512_maskz_packs_epi32, _mm512_packus_epi32,
4526         _mm512_maskz_packus_epi32): Use _mm512_setzero_si512 instead of
4527         _mm512_setzero_qi or _mm512_setzero_hi.
4528         (_mm512_maskz_alignr_epi8, _mm512_dbsad_epu8,
4529         _mm512_maskz_dbsad_epu8): Formatting fixes.
4530         (_mm512_srli_epi16, _mm512_maskz_srli_epi16, _mm512_slli_epi16,
4531         _mm512_maskz_slli_epi16, _mm512_shufflehi_epi16,
4532         _mm512_maskz_shufflehi_epi16, _mm512_shufflelo_epi16,
4533         _mm512_maskz_shufflelo_epi16, _mm512_srai_epi16,
4534         _mm512_maskz_srai_epi16): Use _mm512_setzero_si512 instead of
4535         _mm512_setzero_qi or _mm512_setzero_hi.
4537 2016-11-22  Nathan Sidwell  <nathan@acm.org>
4539         * gcc-ar.c (main): Fix indentation.
4540         * gcov-io.c (gcov_write_summary): Remove extraneous {...}
4541         * ggc-page.c (move_ptes_to_front): Fix formatting.
4542         * hsa-dump.c (dump_has_cfun): Fix indentation.
4543         * sel-sched-ir.h: Remove trailing blank lines.
4545 2016-11-22  Jakub Jelinek  <jakub@redhat.com>
4546             Alexander Monakov  <amonakov@ispras.ru>
4548         * internal-fn.c (expand_GOMP_USE_SIMT): New function.
4549         * tree.c (omp_clause_num_ops): OMP_CLAUSE__SIMT_ has 0 operands.
4550         (omp_clause_code_name): Add _simt_ name.
4551         (walk_tree_1): Handle OMP_CLAUSE__SIMT_.
4552         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__SIMT_.
4553         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__SIMT_.
4554         (scan_omp_simd): New function.
4555         (scan_omp_1_stmt): Use it in target regions if needed.
4556         (omp_max_vf): Don't max with omp_max_simt_vf.
4557         (lower_rec_simd_input_clauses): Use omp_max_simt_vf if
4558         OMP_CLAUSE__SIMT_ is present.
4559         (lower_rec_input_clauses): Compute maybe_simt from presence of
4560         OMP_CLAUSE__SIMT_.
4561         (lower_lastprivate_clauses): Likewise.
4562         (expand_omp_simd): Likewise.  Remove explicit offloaded region check.
4563         (execute_omp_device_lower): Lower IFN_GOMP_USE_SIMT.
4564         * internal-fn.def (GOMP_USE_SIMT): New internal function.
4565         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__SIMT_.
4567 2016-11-22  Alexander Monakov  <amonakov@ispras.ru>
4569         * internal-fn.c (expand_GOMP_SIMT_LANE): New.
4570         (expand_GOMP_SIMT_VF): New.
4571         (expand_GOMP_SIMT_LAST_LANE): New.
4572         (expand_GOMP_SIMT_ORDERED_PRED): New.
4573         (expand_GOMP_SIMT_VOTE_ANY): New.
4574         (expand_GOMP_SIMT_XCHG_BFLY): New.
4575         (expand_GOMP_SIMT_XCHG_IDX): New.
4576         * internal-fn.def (GOMP_SIMT_LANE): New.
4577         (GOMP_SIMT_VF): New.
4578         (GOMP_SIMT_LAST_LANE): New.
4579         (GOMP_SIMT_ORDERED_PRED): New.
4580         (GOMP_SIMT_VOTE_ANY): New.
4581         (GOMP_SIMT_XCHG_BFLY): New.
4582         (GOMP_SIMT_XCHG_IDX): New.
4583         * omp-low.c (omp_maybe_offloaded_ctx): New, outlined from...
4584         (create_omp_child_function): ...here.  Set "omp target entrypoint"
4585         or "omp declare target" attribute based on is_gimple_omp_offloaded.
4586         (omp_max_simt_vf): New.  Use it...
4587         (omp_max_vf): ...here.
4588         (lower_rec_input_clauses): Add reduction lowering for SIMT execution.
4589         (lower_lastprivate_clauses): Likewise, for "lastprivate" lowering.
4590         (lower_omp_ordered): Likewise, for "ordered" lowering.
4591         (expand_omp_simd): Add SIMT transforms.
4592         (pass_data_lower_omp): Add PROP_gimple_lomp_dev.
4593         (execute_omp_device_lower): New.
4594         (pass_data_omp_device_lower): New.
4595         (pass_omp_device_lower): New pass.
4596         (make_pass_omp_device_lower): New.
4597         * passes.def (pass_omp_device_lower): Position new pass.
4598         * tree-pass.h (PROP_gimple_lomp_dev): Define.
4599         (make_pass_omp_device_lower): Declare.
4601 2016-11-22  Jakub Jelinek  <jakub@redhat.com>
4603         PR target/78451
4604         * config/i386/avx512vlintrin.h (_mm_setzero_di): Removed.
4605         (_mm_maskz_mov_epi64): Use _mm_setzero_si128 instead of
4606         _mm_setzero_di.
4607         (_mm_maskz_load_epi64): Likewise.
4608         (_mm_setzero_hi): Removed.
4609         (_mm_maskz_loadu_epi64): Use _mm_setzero_si128 instead of
4610         _mm_setzero_di.
4611         (_mm_abs_epi64, _mm_maskz_abs_epi64, _mm_maskz_srl_epi64,
4612         _mm_maskz_unpackhi_epi64, _mm_maskz_unpacklo_epi64,
4613         _mm_maskz_compress_epi64, _mm_srav_epi64, _mm_maskz_srav_epi64,
4614         _mm_maskz_sllv_epi64, _mm_maskz_srlv_epi64, _mm_rolv_epi64,
4615         _mm_maskz_rolv_epi64, _mm_rorv_epi64, _mm_maskz_rorv_epi64,
4616         _mm_min_epi64, _mm_max_epi64, _mm_max_epu64, _mm_min_epu64,
4617         _mm_lzcnt_epi64, _mm_maskz_lzcnt_epi64, _mm_conflict_epi64,
4618         _mm_maskz_conflict_epi64, _mm_sra_epi64, _mm_maskz_sra_epi64,
4619         _mm_maskz_sll_epi64, _mm_rol_epi64, _mm_maskz_rol_epi64,
4620         _mm_ror_epi64, _mm_maskz_ror_epi64, _mm_alignr_epi64,
4621         _mm_maskz_alignr_epi64, _mm_srai_epi64, _mm_maskz_slli_epi64):
4622         Likewise.
4623         (_mm_cvtepi32_epi8, _mm256_cvtepi32_epi8, _mm_cvtsepi32_epi8,
4624         _mm256_cvtsepi32_epi8, _mm_cvtusepi32_epi8, _mm256_cvtusepi32_epi8,
4625         _mm_cvtepi32_epi16, _mm256_cvtepi32_epi16, _mm_cvtsepi32_epi16,
4626         _mm256_cvtsepi32_epi16, _mm_cvtusepi32_epi16, _mm256_cvtusepi32_epi16,
4627         _mm_cvtepi64_epi8, _mm256_cvtepi64_epi8, _mm_cvtsepi64_epi8,
4628         _mm256_cvtsepi64_epi8, _mm_cvtusepi64_epi8, _mm256_cvtusepi64_epi8,
4629         _mm_cvtepi64_epi16, _mm256_cvtepi64_epi16, _mm_cvtsepi64_epi16,
4630         _mm256_cvtsepi64_epi16, _mm_cvtusepi64_epi16, _mm256_cvtusepi64_epi16,
4631         _mm_cvtepi64_epi32, _mm256_cvtepi64_epi32, _mm_cvtsepi64_epi32,
4632         _mm256_cvtsepi64_epi32, _mm_cvtusepi64_epi32, _mm256_cvtusepi64_epi32,
4633         _mm_maskz_set1_epi32, _mm_maskz_set1_epi64): Formatting fixes.
4634         (_mm_maskz_cvtps_ph, _mm256_maskz_cvtps_ph): Use _mm_setzero_si128
4635         instead of _mm_setzero_hi.
4636         (_mm256_permutex_pd, _mm256_maskz_permutex_epi64, _mm256_insertf32x4,
4637         _mm256_maskz_insertf32x4, _mm256_inserti32x4, _mm256_maskz_inserti32x4,
4638         _mm256_extractf32x4_ps, _mm256_maskz_extractf32x4_ps,
4639         _mm256_shuffle_i32x4, _mm256_maskz_shuffle_i32x4, _mm256_shuffle_f64x2,
4640         _mm256_maskz_shuffle_f64x2, _mm256_shuffle_f32x4,
4641         _mm256_maskz_shuffle_f32x4, _mm256_maskz_shuffle_pd,
4642         _mm_maskz_shuffle_pd, _mm256_maskz_shuffle_ps, _mm_maskz_shuffle_ps,
4643         _mm256_maskz_srli_epi32, _mm_maskz_srli_epi32, _mm_maskz_srli_epi64,
4644         _mm256_mask_slli_epi32, _mm256_maskz_slli_epi32, _mm256_mask_slli_epi64,
4645         _mm256_maskz_slli_epi64, _mm256_roundscale_ps,
4646         _mm256_maskz_roundscale_ps, _mm256_roundscale_pd,
4647         _mm256_maskz_roundscale_pd, _mm_roundscale_ps, _mm_maskz_roundscale_ps,
4648         _mm_roundscale_pd, _mm_maskz_roundscale_pd, _mm256_getmant_ps,
4649         _mm256_maskz_getmant_ps, _mm_getmant_ps, _mm_maskz_getmant_ps,
4650         _mm256_getmant_pd, _mm256_maskz_getmant_pd, _mm_getmant_pd,
4651         _mm_maskz_getmant_pd, _mm256_maskz_shuffle_epi32,
4652         _mm_maskz_shuffle_epi32, _mm256_rol_epi32, _mm256_maskz_rol_epi32,
4653         _mm_rol_epi32, _mm_maskz_rol_epi32, _mm256_ror_epi32,
4654         _mm256_maskz_ror_epi32, _mm_ror_epi32, _mm_maskz_ror_epi32,
4655         _mm_maskz_alignr_epi32, _mm_maskz_alignr_epi64,
4656         _mm256_maskz_srai_epi32, _mm_maskz_srai_epi32, _mm_srai_epi64,
4657         _mm_maskz_srai_epi64, _mm256_maskz_permutex_pd,
4658         _mm256_maskz_permute_pd, _mm256_maskz_permute_ps, _mm_maskz_permute_pd,
4659         _mm_maskz_permute_ps, _mm256_permutexvar_ps): Formatting fixes.
4660         (_mm_maskz_slli_epi64, _mm_rol_epi64, _mm_maskz_rol_epi64,
4661         _mm_ror_epi64, _mm_maskz_ror_epi64): Use _mm_setzero_si128 instead of
4662         _mm_setzero_di.
4663         (_mm_maskz_cvtps_ph, _mm256_maskz_cvtps_ph): Use _mm_setzero_si128
4664         instead of _mm_setzero_hi.
4665         * config/i386/avx512dqintrin.h (_mm512_broadcast_f64x2,
4666         _mm512_broadcast_i64x2, _mm512_broadcast_f32x2, _mm512_broadcast_i32x2,
4667         _mm512_broadcast_f32x8, _mm512_broadcast_i32x8): Formatting fixes.
4668         (_mm512_extracti64x2_epi64, _mm512_maskz_extracti64x2_epi64): Use
4669         _mm_setzero_si128 instead of _mm_setzero_di.
4670         (_mm512_cvtt_roundpd_epi64, _mm512_mask_cvtt_roundpd_epi64,
4671         _mm512_maskz_cvtt_roundpd_epi64, _mm512_cvtt_roundpd_epu64,
4672         _mm512_mask_cvtt_roundpd_epu64, _mm512_maskz_cvtt_roundpd_epu64,
4673         _mm512_cvtt_roundps_epi64, _mm512_mask_cvtt_roundps_epi64,
4674         _mm512_maskz_cvtt_roundps_epi64, _mm512_cvtt_roundps_epu64,
4675         _mm512_mask_cvtt_roundps_epu64, _mm512_maskz_cvtt_roundps_epu64,
4676         _mm512_cvt_roundpd_epi64, _mm512_mask_cvt_roundpd_epi64,
4677         _mm512_maskz_cvt_roundpd_epi64, _mm512_cvt_roundpd_epu64,
4678         _mm512_mask_cvt_roundpd_epu64, _mm512_maskz_cvt_roundpd_epu64,
4679         _mm512_cvt_roundps_epi64, _mm512_mask_cvt_roundps_epi64,
4680         _mm512_maskz_cvt_roundps_epi64, _mm512_cvt_roundps_epu64,
4681         _mm512_mask_cvt_roundps_epu64, _mm512_maskz_cvt_roundps_epu64,
4682         _mm512_cvt_roundepi64_ps, _mm512_mask_cvt_roundepi64_ps,
4683         _mm512_maskz_cvt_roundepi64_ps, _mm512_cvt_roundepu64_ps,
4684         _mm512_mask_cvt_roundepu64_ps, _mm512_maskz_cvt_roundepu64_ps,
4685         _mm512_cvt_roundepi64_pd, _mm512_mask_cvt_roundepi64_pd,
4686         _mm512_maskz_cvt_roundepi64_pd, _mm512_cvt_roundepu64_pd,
4687         _mm512_mask_cvt_roundepu64_pd, _mm512_maskz_cvt_roundepu64_pd,
4688         _mm512_reduce_pd, _mm512_maskz_reduce_pd, _mm512_reduce_ps,
4689         _mm512_maskz_reduce_ps, _mm512_extractf32x8_ps,
4690         _mm512_maskz_extractf32x8_ps, _mm512_extractf64x2_pd,
4691         _mm512_maskz_extractf64x2_pd, _mm512_extracti32x8_epi32,
4692         _mm512_maskz_extracti32x8_epi32, _mm512_range_pd,
4693         _mm512_maskz_range_pd, _mm512_range_ps, _mm512_maskz_range_ps,
4694         _mm512_range_round_pd, _mm512_maskz_range_round_pd,
4695         _mm512_range_round_ps, _mm512_maskz_range_round_ps,
4696         _mm512_maskz_insertf64x2, _mm512_insertf32x8,
4697         _mm512_maskz_insertf32x8): Formatting fixes.
4698         (_mm512_extracti64x2_epi64, _mm512_maskz_extracti64x2_epi64): Use
4699         _mm_setzero_si128 instead of _mm_setzero_di.
4700         * config/i386/avx512vldqintrin.h (_mm_cvttpd_epi64,
4701         _mm_cvttpd_epu64, _mm_cvtpd_epi64, _mm_cvtpd_epu64,
4702         _mm_cvttps_epi64, _mm_maskz_cvttps_epi64, _mm_cvttps_epu64,
4703         _mm_maskz_cvttps_epu64, _mm_maskz_mullo_epi64, _mm_cvtps_epi64,
4704         _mm_maskz_cvtps_epi64, _mm_cvtps_epu64, _mm_maskz_cvtps_epu64,
4705         _mm256_extracti64x2_epi64, _mm256_maskz_extracti64x2_epi64): Use
4706         _mm_setzero_si128 instead of _mm_setzero_di.
4707         (_mm256_extracti64x2_epi64, _mm256_maskz_extracti64x2_epi64):
4708         Likewise in macros.
4709         * config/i386/avx512vlbwintrin.h (_mm_maskz_mov_epi8,
4710         _mm_maskz_loadu_epi16, _mm_maskz_mov_epi16, _mm_maskz_loadu_epi8,
4711         _mm_permutexvar_epi16, _mm_maskz_maddubs_epi16): Use
4712         _mm_setzero_si128 instead of _mm_setzero_hi.
4713         (_mm_maskz_min_epu16, _mm_maskz_max_epu8, _mm_maskz_max_epi8,
4714         _mm_maskz_min_epu8, _mm_maskz_min_epi8, _mm_maskz_max_epi16,
4715         _mm_maskz_max_epu16, _mm_maskz_min_epi16): Use _mm_setzero_si128
4716         instead of _mm_setzero_di.
4717         (_mm_dbsad_epu8, _mm_maskz_shufflehi_epi16,
4718         _mm_maskz_shufflelo_epi16): Use _mm_setzero_si128 instead of
4719         _mm_setzero_hi.
4720         (_mm_maskz_shufflehi_epi16, _mm_maskz_shufflelo_epi16,
4721         _mm_maskz_slli_epi16): Use _mm_setzero_si128 instead of
4722         _mm_setzero_hi.
4723         (_mm_maskz_alignr_epi8): Use _mm_setzero_si128 instead of
4724         _mm_setzero_di.
4725         (_mm_maskz_mulhi_epi16, _mm_maskz_mulhi_epu16, _mm_maskz_mulhrs_epi16,
4726         _mm_maskz_mullo_epi16, _mm_srav_epi16, _mm_srlv_epi16,
4727         _mm_sllv_epi16): Use _mm_setzero_si128 instead of _mm_setzero_hi.
4729 2016-11-22  Carl Love  <cel@us.ibm.com>
4731         * config/rs6000/rs6000-c.c: Add built-in support for vector compare
4732         equal and vector compare not equal.  The vector compares take two
4733         arguments of type vector bool char, vector bool short, vector bool int,
4734         vector bool long long with the same return type.
4735         * doc/extend.texi: Update built-in documentation file for the new
4736         powerpc built-ins.
4738 2016-11-22  Uros Bizjak  <ubizjak@gmail.com>
4740         * Makefile.in ($(lang_checks_parallelized)): Fix detection
4741         of -j argument.
4743 2016-11-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4745         * config.gcc: Allow new rmprofile value for configure option
4746         --with-multilib-list.
4747         * config/arm/t-rmprofile: New file.
4748         * doc/install.texi (--with-multilib-list): Document new rmprofile value
4749         for ARM.
4751 2016-11-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4753         PR target/78439
4754         * config/arm/vfp.md (*movdi_vfp_cortexa8): Use 'q' constraints for the
4755         register operand in alternatives 4,5,6.
4757 2016-11-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4759         PR target/77904
4760         * config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer
4761         in save register mask if it is needed.
4763 2016-11-22  Jakub Jelinek  <jakub@redhat.com>
4765         PR tree-optimization/78436
4766         * gimple-ssa-store-merging.c (zero_char_buf): Removed.
4767         (shift_bytes_in_array, shift_bytes_in_array_right,
4768         merged_store_group::apply_stores): Formatting fixes.
4769         (clear_bit_region): Likewise.  Use memset.
4770         (encode_tree_to_bitpos): Formatting fixes.  Fix comment typos - EPXR
4771         instead of EXPR and inerted instead of inserted.  Use memset instead
4772         of zero_char_buf.  For !BYTES_BIG_ENDIAN decrease byte_size by 1
4773         if shift_amnt is 0.
4775         PR middle-end/78416
4776         * expmed.c (expand_divmod): Use wide_int for computation of
4777         op1_is_pow2.  Don't set it if op1 is 0.  Formatting fixes.
4778         Use size <= HOST_BITS_PER_WIDE_INT instead of
4779         HOST_BITS_PER_WIDE_INT >= size.
4781         PR tree-optimization/78445
4782         * tree-if-conv.c (tree_if_conversion): If any_pred_load_store or
4783         any_complicated_phi, version loop even if flag_tree_loop_if_convert
4784         is 1.  Formatting fix.
4786 2016-11-22  Martin Liska  <mliska@suse.cz>
4788         PR ipa/78309
4789         * ipa-icf.c (void sem_item::set_hash): Update m_hash_set.
4790         (sem_function::get_hash): Use the new field.
4791         (sem_function::parse): Remove an argument from ctor.
4792         (sem_variable::parse): Likewise.
4793         (sem_variable::get_hash): Use the new field.
4794         (sem_item_optimizer::read_section): Use new ctor and set hash.
4795         * ipa-icf.h: _hash is removed from sem_item::sem_item,
4796         sem_variable::sem_variable, sem_function::sem_function.
4798 2016-11-21  Jeff Law  <law@redhat.com>
4800         PR target/68538
4801         * config/cris/cris.md: Don't call copy_to_mode_reg unless
4802         can_create_pseudo_p is true.
4804 2016-11-21  Segher Boessenkool  <segher@kernel.crashing.org>
4806         PR target/68803
4807         * config/rs6000/rs6000.md (*rotlsi3_insert_5, *rotldi3_insert_6,
4808         *rotldi3_insert_7): New define_insns.
4810 2016-11-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
4812         * config/rs6000/rs6000.md (movdi_internal32): Change constraints
4813         so that DImode can be allocated to FP/vector registers in more
4814         cases, and we can avoid direct move operations.  If the register
4815         needs reloading, prefer GPRs over FP/vector registers.  In the
4816         case of FPR vs. Altivec registers, prefer FPR registers unless we
4817         have the ISA 3.0 reg+offset scalar instructions.
4818         (movdi_internal64): Likewise.
4820 2016-11-21  Jakub Jelinek  <jakub@redhat.com>
4822         PR middle-end/67335
4823         * omp-simd-clone.c (simd_clone_adjust_argument_types): Use NULL prefix
4824         for tmp simd array if DECL_NAME (parm) is NULL.
4826 2016-11-20  Jeff Law  <law@redhat.com>
4828         PR target/25128
4829         * config/m68k/predicates.md (swap_peephole_relational_operator): New
4830         predicate.
4831         * config/m68k/m68k.md (relational tests against 65535/65536): New
4832         peephole2.
4834 2016-11-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4836         * tree-ssa-loop-prefetch.c: Delete FIXME after the includes.
4838 2016-11-21  Martin Sebor  <msebor@redhat.com>
4840         * doc/invoke.texi (-fprintf-return-value): Document that option
4841         is enabled by default.
4843 2016-11-21  Georg-Johann Lay  <avr@gjlay.de>
4845         * config/avr/avr-c.c (avr_register_target_pragmas): Use C++
4846         for-loop declaration of loop variable.
4847         (avr_register_target_pragmas, avr_cpu_cpp_builtins): Same.
4848         * config/avr/avr.c (avr_popcount_each_byte)
4849         (avr_init_expanders, avr_regs_to_save, sequent_regs_live)
4850         (get_sequence_length, avr_prologue_setup_frame, avr_map_metric)
4851         (avr_expand_epilogue, avr_function_arg_advance)
4852         (avr_out_compare, avr_out_plus_1, avr_out_bitop, avr_out_fract)
4853         (avr_rotate_bytes, _reg_unused_after, avr_assemble_integer)
4854         (avr_adjust_reg_alloc_order, output_reload_in_const)
4855         (avr_conditional_register_usage, avr_find_unused_d_reg)
4856         (avr_map_decompose, avr_fold_builtin): Same.
4858 2016-11-21  Georg-Johann Lay  <avr@gjlay.de>
4860         * config/avr/avr.c (avr_popcount): Remove static function.
4861         (avr_popcount_each_byte, avr_out_bitop): Use popcount_hwi instead.
4863 2016-11-21  Richard Earnshaw  <rearnsha@arm.com>
4865         * arm.opt (mapcs-float): Delete option.
4866         * arm.c (arm_option_override): Remove hunk relating to
4867         TARGET_APCS_FLOAT.
4868         * doc/invoke.texi (arm options): Remove documentation for -mapcs-float.
4870 2016-11-21  Richard Sandiford  <richard.sandiford@arm.com>
4872         * tree-tailcall.c (process_assignment): Simplify the check for
4873         a valid copy, allowing the source to be a local variable as
4874         well as an SSA name.
4875         (find_tail_calls): Allow copies between local variables to follow
4876         the call.  Allow the result to be stored in any local variable,
4877         even if it's an aggregate.
4878         (eliminate_tail_call): Check whether the result is an SSA name
4879         before updating its SSA_NAME_DEF_STMT.
4881 2016-11-21  David Malcolm  <dmalcolm@redhat.com>
4883         PR preprocessor/78324
4884         * input.c (get_substring_ranges_for_loc): Fail gracefully if
4885         -ftrack-macro-expansion has a value other than 2.
4887 2016-11-21  Segher Boessenkool  <segher@kernel.crashing.org>
4889         PR rtl-optimization/78400
4890         * shrink-wrap.c (try_shrink_wrapping_separate): Call
4891         df_update_entry_exit_and_calls instead of df_update_entry_block_defs
4892         and df_update_exit_block_uses.
4894 2016-11-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4896         PR c++/71973
4897         * doc/invoke.texi (-Wno-builtin-declaration-mismatch): Document the
4898         new default-enabled warning..
4899         * builtin-types.def (BT_CONST_TM_PTR): New primitive type.
4900         (BT_PTR_CONST_STRING): Updated.
4901         (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR): Removed.
4902         (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_TM_PTR): New function type.
4903         * builtins.def (DEF_TM_BUILTIN): Disable BOTH_P for TM builtins.
4904         (strftime): Update builtin function.
4905         * tree-core.h (TI_CONST_TM_PTR_TYPE): New enum value.
4906         * tree.h (const_tm_ptr_type_node): New type node.
4907         * tree.c (free_lang_data, build_common_tree_nodes): Initialize
4908         const_tm_ptr_type_node.
4910 2016-11-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4912         PR tree-optimization/78413
4913         * tree-if-conv.c (versionable_outer_loop_p): Require that both
4914         inner and outer loop latches have single predecessors.
4916 2016-11-21  Georg-Johann Lay  <avr@gjlay.de>
4918         PR target/78093
4919         * config/avr/avr.c (avr_decl_maybe_lds_p): New static function.
4920         (avr_encode_section_info) [TARGET_ABSDATA && AVR_TINY]: Use it.
4922 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4924         * rtl.h: Adjust prototype.
4925         * rtlanal.c (dead_or_set_p): Change argument type to rtx_insn *.
4926         (dead_or_set_regno_p): Likewise.
4928 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4930         * rtl.h: Adjust prototype.
4931         * rtlanal.c (add_int_reg_note): Change argument type to rtx_insn *.
4933 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4935         * function.c (contains): Change argument type to rtx_insn *.
4936         (prologue_contains): Likewise.
4937         (epilogue_contains): Likewise.
4938         (prologue_epilogue_contains): Likewise.
4939         * function.h: Adjust prototype.
4941 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4943         * optabs.c (emit_libcall_block): Change argument type to
4944         rtx_insn *.
4945         * optabs.h: Adjust prototype.
4947 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4949         * cfgrtl.c (delete_insn): Change argument type to rtx_insn *.
4950         (fixup_reorder_chain): Adjust.
4951         * cfgrtl.h: Adjust prototype.
4953 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4955         * rtl.h: Adjust prototype.
4956         * rtlanal.c (replace_label_in_insn): Change argument type to
4957         rtx_insn *.
4959 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4961         * config/v850/v850.c (expand_prologue): Adjust.
4962         (expand_epilogue): Likewise.
4963         * expr.c (init_expr_target): Likewise.
4964         * genrecog.c (print_subroutine): Always make the argument type
4965         rtx_insn *.
4966         * recog.h: Adjust prototype.
4968 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4970         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): split
4971         up variables to make some rtx_insn *.
4972         * config/alpha/alpha.c (emit_unlikely_jump): Likewise.
4973         * config/arc/arc.c: Likewise.
4974         * config/arm/arm.c: Likewise.
4975         * config/mn10300/mn10300.c (mn10300_legitimize_pic_address): Likewise.
4976         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue):
4977         Likewise.
4978         * config/spu/spu.c (spu_emit_branch_hint): Likewise.
4980 2016-11-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4982         * config/arm/arm.c (legitimize_pic_address): Change to use
4983         rtx_insn * as the type of variables.
4984         (arm_pic_static_addr): Likewise.
4985         (arm_emit_movpair): Likewise.
4986         * config/c6x/c6x.c (reorg_split_calls): Likewise.
4987         * config/darwin.c (machopic_legitimize_pic_address): Likewise.
4988         * config/frv/frv.c (frv_optimize_membar_local): Likewise.
4989         * config/frv/frv.md: Likewise.
4990         * config/i386/i386-protos.h: Likewise.
4991         * config/i386/i386.c (ix86_expand_split_stack_prologue): Likewise.
4992         (ix86_split_fp_branch): Likewise.
4993         (predict_jump): Likewise.
4994         * config/ia64/ia64.c: Likewise.
4995         * config/mcore/mcore.c: Likewise.
4996         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
4997         * config/s390/s390.c: Likewise.
4998         * config/s390/s390.md: Likewise.
4999         * config/spu/spu.md: Likewise.
5000         * config/tilegx/tilegx.c (tilegx_legitimize_tls_address): Likewise.
5001         * lower-subreg.c (resolve_simple_move): Likewise.
5003 2016-11-20  Jeff Law  <law@redhat.com>
5005         PR target/48551
5006         * reload.h (struct target_reload): Make x_double_reg_address_ok
5007         be per-mode rather.
5008         * reload.c (find_reloads_address): Check if double_reg_address_ok
5009         is true for the mode of the memory reference.
5010         * reload1.c (init_reload): Initialize double_reg_address_ok for
5011         each mode.
5013 2016-11-20  Aldy Hernandez  <aldyh@redhat.com>
5015         PR middle-end/61409
5016         * tree-ssa-uninit.c: Define new global max_phi_args.
5017         (compute_uninit_opnds_pos): Use max_phi_args.
5018         (prune_uninit_phi_opnds): Same.
5019         (use_pred_not_overlap_with_undef_path_pred): Remove reference to
5020         missing NUM_PREDS in function comment.
5021         (can_one_predicate_be_invalidated_p): New.
5022         (can_chain_union_be_invalidated_p): New.
5023         (flatten_out_predicate_chains): New.
5024         (uninit_ops_invalidate_phi_use): New.
5025         (is_use_properly_guarded): Call uninit_ops_invalidate_phi_use.
5027 2016-11-20  Marc Glisse  <marc.glisse@inria.fr>
5029         * fold-const.c (fold_comparison): Ignore EXACT_DIV_EXPR.
5030         * match.pd (A /[ex] B CMP C): New simplifications.
5032 2016-11-20  Marc Glisse  <marc.glisse@inria.fr>
5034         * match.pd (0 / X, X / X, X % X): New simplifications.
5036 2016-11-19  Jakub Jelinek  <jakub@redhat.com>
5038         * config/i386/i386.c (ix86_can_inline_p): Use || instead of &
5039         when checking if callee's isa flags are subset of caller's isa flags.
5040         Fix comment wording.
5042         * config/i386/i386.c (ix86_valid_target_attribute_tree): Don't
5043         clear opts->x_ix86_isa_flags, clear opts->x_ix86_isa_flags2
5044         instead and using = 0 instead of &= 0.
5046         * config/i386/i386.c (def_builtin, def_builtin2, def_builtin_const2,
5047         ix86_add_new_builtins): Formatting fixes.
5048         (ix86_expand_builtin): Use || instead of && for isa vs. isa2.
5049         (ix86_get_builtin): Likewise.
5051         * config/i386/i386.c (ix86_expand_builtin): Remove msk_mov variable,
5052         don't initialize it, don't use it for the case where it isn't
5053         provable %{z} nor using the same argument, instead move merge
5054         argument into a new pseudo and use that as target.  Formatting fixes.
5056 2016-11-19  Jeff Law  <law@redhat.com>
5058         PR target/25111
5059         * config/m68k/m68k.md (bsetdreg): New pattern.
5060         (bchgdreg, bclrdreg): Likewise.
5062 2016-11-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5064         PR target/78426
5065         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Use copy_to_mode_reg
5066         instead of force_reg.
5067         (sh_expand_setmem): Likewise.
5069 2016-11-19  Krister Walfridsson  <krister.walfridsson@gmail.com>
5071         * config.gcc (*-*-netbsd): Set use_gcc_stdint=wrap.
5073 2016-11-18  Walter Lee  <walt@tilera.com>
5075         * config/tilegx/tilegx.c (tilegx_gen_bundles): Preserve
5076           end-of-bundle marker for consecutive barriers.
5078 2016-11-18  Walter Lee  <walt@tilera.com>
5080         * config/tilegx/tilegx.md (clzsi2): Fix for big-endian.
5082 2016-11-18  Jakub Jelinek  <jakub@redhat.com>
5084         PR middle-end/78419
5085         * multiple_target.c (get_attr_len): Start with argnum and increment
5086         argnum on every arg.  Use strchr in a loop instead of counting commas
5087         manually.
5088         (get_attr_str): Increment argnum for every comma in the string.
5089         (separate_attrs): Use for instead of while loop, simplify.
5090         (expand_target_clones): Rename defenition argument to definition.
5091         Free attrs and attr_str even when diagnosing errors.  Temporarily
5092         change input_location around targetm.target_option.valid_attribute_p
5093         calls.  Don't emit warning or errors if that function fails.
5095         * dwarf2out.c (size_of_discr_list): Fix typo in function comment.
5097         PR debug/78191
5098         * dwarf2out.c (abbrev_opt_base_type_end): New variable.
5099         (die_abbrev_cmp): Sort dies with die_abbrev smaller than
5100         abbrev_opt_base_type_end only by increasing die_abbrev, before
5101         any other dies.
5102         (optimize_abbrev_table): Don't change abbrev numbers of
5103         base types and CU or optimize implicit consts in them if
5104         calc_base_type_die_sizes has been called during build_abbrev_table.
5105         (calc_base_type_die_sizes): If abbrev_opt_start, set
5106         abbrev_opt_base_type_end to one plus largest base type's die_abbrev.
5108 2016-11-18  Jeff Law  <law@redhat.com>
5110         PR target/25112
5111         * config/m68k/m68k.c (moveq feeding equality comparison): New
5112         peepholes.
5113         * config/m68k/predicates.md (addq_subq_operand): New predicate.
5114         (equality_comparison_operator): Likewise.
5116 2016-11-18  Richard Sandiford  <richard.sandiford@arm.com>
5118         * rtlanal.c (load_extend_op): Move to...
5119         * rtl.h: ...here and make inline.
5121 2016-11-18  Terry Guo  <terry.guo@arm.com>
5122             Thomas Preud'homme  <thomas.preudhomme@arm.com>
5124         * common/config/arm/arm-common.c (arm_target_thumb_only): New function.
5125         * config/arm/arm-opts.h: Include arm-flags.h.
5126         (struct arm_arch_core_flag): Define.
5127         (arm_arch_core_flags): Define.
5128         * config/arm/arm-protos.h: Include arm-flags.h
5129         (FL_NONE, FL_ANY, FL_CO_PROC, FL_ARCH3M, FL_MODE26, FL_MODE32,
5130         FL_ARCH4, FL_ARCH5, FL_THUMB, FL_LDSCHED, FL_STRONG, FL_ARCH5E,
5131         FL_XSCALE, FL_ARCH6, FL_VFPV2, FL_WBUF, FL_ARCH6K, FL_THUMB2, FL_NOTM,
5132         FL_THUMB_DIV, FL_VFPV3, FL_NEON, FL_ARCH7EM, FL_ARCH7, FL_ARM_DIV,
5133         FL_ARCH8, FL_CRC32, FL_SMALLMUL, FL_NO_VOLATILE_CE, FL_IWMMXT,
5134         FL_IWMMXT2, FL_ARCH6KZ, FL2_ARCH8_1, FL2_ARCH8_2, FL2_FP16INST,
5135         FL_TUNE, FL_FOR_ARCH2, FL_FOR_ARCH3, FL_FOR_ARCH3M, FL_FOR_ARCH4,
5136         FL_FOR_ARCH4T, FL_FOR_ARCH5, FL_FOR_ARCH5T, FL_FOR_ARCH5E,
5137         FL_FOR_ARCH5TE, FL_FOR_ARCH5TEJ, FL_FOR_ARCH6, FL_FOR_ARCH6J,
5138         FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK, FL_FOR_ARCH6KZ,
5139         FL_FOR_ARCH6T2, FL_FOR_ARCH6M, FL_FOR_ARCH7, FL_FOR_ARCH7A,
5140         FL_FOR_ARCH7VE, FL_FOR_ARCH7R, FL_FOR_ARCH7M, FL_FOR_ARCH7EM,
5141         FL_FOR_ARCH8A, FL2_FOR_ARCH8_1A, FL2_FOR_ARCH8_2A, FL_FOR_ARCH8M_BASE,
5142         FL_FOR_ARCH8M_MAIN, arm_feature_set, ARM_FSET_MAKE,
5143         ARM_FSET_MAKE_CPU1, ARM_FSET_MAKE_CPU2, ARM_FSET_CPU1, ARM_FSET_CPU2,
5144         ARM_FSET_EMPTY, ARM_FSET_ANY, ARM_FSET_HAS_CPU1, ARM_FSET_HAS_CPU2,
5145         ARM_FSET_HAS_CPU, ARM_FSET_ADD_CPU1, ARM_FSET_ADD_CPU2,
5146         ARM_FSET_DEL_CPU1, ARM_FSET_DEL_CPU2, ARM_FSET_UNION, ARM_FSET_INTER,
5147         ARM_FSET_XOR, ARM_FSET_EXCLUDE, ARM_FSET_IS_EMPTY,
5148         ARM_FSET_CPU_SUBSET): Move to ...
5149         * config/arm/arm-flags.h: This new file.
5150         * config/arm/arm.h (TARGET_MODE_SPEC_FUNCTIONS): Define.
5151         (EXTRA_SPEC_FUNCTIONS): Add TARGET_MODE_SPEC_FUNCTIONS to its value.
5152         (TARGET_MODE_SPECS): Define.
5153         (DRIVER_SELF_SPECS): Add TARGET_MODE_SPECS to its value.
5155 2016-11-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5157         * config/arm/arm-protos.h (FL_NONE, FL_ANY, FL_CO_PROC, FL_ARCH3M,
5158         FL_MODE26, FL_MODE32, FL_ARCH4, FL_ARCH5, FL_THUMB, FL_LDSCHED,
5159         FL_STRONG, FL_ARCH5E, FL_XSCALE, FL_ARCH6, FL_VFPV2, FL_WBUF,
5160         FL_ARCH6K, FL_THUMB2, FL_NOTM, FL_THUMB_DIV, FL_VFPV3, FL_NEON,
5161         FL_ARCH7EM, FL_ARCH7, FL_ARM_DIV, FL_ARCH8, FL_CRC32, FL_SMALLMUL,
5162         FL_NO_VOLATILE_CE, FL_IWMMXT, FL_IWMMXT2, FL_ARCH6KZ, FL2_ARCH8_1,
5163         FL2_ARCH8_2, FL2_FP16INST): Reindent comment, add final dot when
5164         missing and make value unsigned.
5165         (arm_feature_set): Use unsigned entries instead of unsigned long.
5167 2016-11-18  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5169         Re-apply after PR bootstrap/77359 is fixed:
5170         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5172         * explow.c (get_dynamic_stack_size): Take known alignment of stack
5173         pointer + STACK_DYNAMIC_OFFSET into account when calculating the
5174         size needed.
5176 2016-11-18  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5178         PR bootstrap/77359
5179         * config/rs6000/rs6000.c (rs6000_stack_info): Properly align local
5180         variables in functions calling alloca.  Also update the ASCII
5181         drawings.
5182         * config/rs6000/rs6000.h (STARTING_FRAME_OFFSET)
5183         (STACK_DYNAMIC_OFFSET): Likewise.
5184         * config/rs6000/aix.h (STARTING_FRAME_OFFSET)
5185         (STACK_DYNAMIC_OFFSET): Copy AIX specific versions of the rs6000.h
5186         macros to aix.h.
5188 2016-11-18  Richard Sandiford  <richard.sandiford@arm.com>
5189             Alan Hayward  <alan.hayward@arm.com>
5190             David Sherwood  <david.sherwood@arm.com>
5192         * combine.c (try_combine): Use rtx_mode_t instead of std::make_pair.
5193         * dwarf2out.c (mem_loc_descriptor, loc_descriptor): Likewise.
5194         (add_const_value_attribute): Likewise.
5195         * explow.c (plus_constant): Likewise.
5196         * expmed.c (expand_mult, make_tree): Likewise.
5197         * expr.c (convert_modes): Likewise.
5198         * loop-doloop.c (doloop_optimize): Likewise.
5199         * postreload.c (reload_cse_simplify_set): Likewise.
5200         * simplify-rtx.c (simplify_const_unary_operation): Likewise
5201         (simplify_binary_operation_1, simplify_const_binary_operation):
5202         Likewise.
5203         (simplify_const_relational_operation, simplify_immed_subreg): Likewise.
5204         * wide-int.h: Update documentation to recommend rtx_mode_t
5205         instead of std::make_pair.
5207 2016-11-18  Richard Sandiford  <richard.sandiford@arm.com>
5208             Alan Hayward  <alan.hayward@arm.com>
5209             David Sherwood  <david.sherwood@arm.com>
5211         * tree.h (SET_DECL_MODE): New macro.
5212         * cfgexpand.c (avoid_deep_ter_for_debug): Use SET_DECL_MODE.
5213         (expand_gimple_basic_block): Likewise.
5214         * function.c (split_complex_args): Likeise.
5215         * ipa-prop.c (ipa_modify_call_arguments): Likewise.
5216         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Likewise.
5217         * stor-layout.c (layout_decl, relayout_decl): Likewise.
5218         (finish_bitfield_representative): Likewise.
5219         * tree.c (make_node_stat): Likewise.
5220         * tree-inline.c (remap_ssa_name): Likewise.
5221         (tree_function_versioning): Likewise.
5222         * tree-into-ssa.c (rewrite_debug_stmt_uses): Likewise.
5223         * tree-sra.c (sra_ipa_reset_debug_stmts): Likewise.
5224         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Likewise.
5225         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Likewise.
5226         * tree-ssa.c (insert_debug_temp_for_var_def): Likewise.
5227         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
5228         * varasm.c (make_debug_expr_from_rtl): Likewise.
5230 2016-11-18  Segher Boessenkool  <segher@kernel.crashing.org>
5232         PR rtl-optimization/71785
5233         * bb-reorder.c (maybe_duplicate_computed_goto): New function.
5234         (duplicate_computed_gotos): New function.
5235         (pass_duplicate_computed_gotos::execute): Rewrite.
5237 2016-11-17  Jeff Law  <law@redhat.com>
5239         PR target/47192
5240         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a scheduling
5241         barrier prior to deallocating the stack.
5243 2016-11-17  Andrew Burgess  <andrew.burgess@embecosm.com>
5245         * config/arc/arc.md (cmem bit/sign-extend peephole2): New peephole
5246         to make better use of cmem loads in the case where a single bit is
5247         being accessed.
5248         * config/arc/predicates.md (ge_lt_comparison_operator): New predicate.
5250 2016-11-17  Andrew Senkevich <andrew.senkevich@intel.com>
5252         * config/i386/i386.c (processor_features): Add F_AVX5124VNNIW,
5253         F_AVX5124FMAPS.
5254         (isa_names_table): Handle new features.
5256 2016-11-17  Kirill Yukhin  <kirill.yukhin@gmail.com>
5257             Andrew Senkevich <andrew.senkevich@intel.com>
5259         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX5124FMAPS_SET,
5260         OPTION_MASK_ISA_AVX5124FMAPS_UNSET, OPTION_MASK_ISA_AVX5124VNNIW_SET,
5261         OPTION_MASK_ISA_AVX5124VNNIW_UNSET): New.
5262         (ix86_handle_option): Handle OPT_mavx5124fmaps, OPT_mavx5124vnniw.
5263         * config.gcc: Add avx5124fmapsintrin.h, avx5124vnniwintrin.h.
5264         * config/i386/avx5124fmapsintrin.h: New file.
5265         * config/i386/avx5124vnniwintrin.h: Ditto.
5266         * config/i386/constraints.md (h): New constraint.
5267         * config/i386/cpuid.h (bit_AVX5124VNNIW, bit_AVX5124FMAPS): New.
5268         * config/i386/driver-i386.c (host_detect_local_cpu):
5269         Detect avx5124fmaps, avx5124vnniw.
5270         * config/i386/i386-builtin-types.def: Add types
5271         V16SF_FTYPE_V16SF_V16SF_V16SF_V16SF_V16SF_PCV4SF_V16SF_UHI,
5272         V16SF_FTYPE_V16SF_V16SF_V16SF_V16SF_V16SF_PCV4SF,
5273         V4SF_FTYPE_V4SF_V4SF_V4SF_V4SF_V4SF_PCV4SF,
5274         V4SF_FTYPE_V4SF_V4SF_V4SF_V4SF_V4SF_PCV4SF_V4SF_UQI,
5275         V16SI_FTYPE_V16SI_V16SI_V16SI_V16SI_V16SI_PCV4SI,
5276         V16SI_FTYPE_V16SI_V16SI_V16SI_V16SI_V16SI_PCV4SI_V16SI_UHI.
5277         * config/i386/i386-builtin.def (__builtin_ia32_4fmaddps_mask,
5278         __builtin_ia32_4fmaddps, __builtin_ia32_4fmaddss,
5279         __builtin_ia32_4fmaddss_mask, __builtin_ia32_4fnmaddps_mask,
5280         __builtin_ia32_4fnmaddps, __builtin_ia32_4fnmaddss,
5281         __builtin_ia32_4fnmaddss_mask, __builtin_ia32_vp4dpwssd,
5282         __builtin_ia32_vp4dpwssd_mask, __builtin_ia32_vp4dpwssds,
5283         __builtin_ia32_vp4dpwssds_mask): New.
5284         * config/i386/i386-c.c (ix86_target_macros_internal):
5285         Define __AVX5124FMAPS__, __AVX5124VNNIW__.
5286         * config/i386/i386-modes.def: Fixed comment typos, added new
5287         modes (VECTOR_MODES (FLOAT, 256), VECTOR_MODE (INT, SI, 64)).
5288         * config/i386/i386.c (ix86_target_string): Add -mavx5124fmaps,
5289         -mavx5124vnniw.
5290         (PTA_AVX5124FMAPS, PTA_AVX5124VNNIW): Define.
5291         (ix86_option_override_internal): Handle new options.
5292         (ix86_valid_target_attribute_inner_p): Add avx5124fmaps,
5293         avx5124vnniw.
5294         (ix86_expand_builtin): Handle new builtins.
5295         (ix86_additional_allocno_class_p): New.
5296         * config/i386/i386.h (TARGET_AVX5124FMAPS, TARGET_AVX5124FMAPS_P,
5297         TARGET_AVX5124VNNIW, TARGET_AVX5124VNNIW_P): Define.
5298         (reg_class): Add MOD4_SSE_REGS.
5299         (MOD4_SSE_REG_P, MOD4_SSE_REGNO_P): New.
5300         * config/i386/i386.opt: Add mavx5124fmaps, mavx5124vnniw.
5301         * config/i386/immintrin.h: Include avx5124fmapsintrin.h,
5302         avx5124vnniwintrin.h.
5303         * config/i386/sse.md (unspec): Add UNSPEC_VP4FMADD, UNSPEC_VP4FNMADD,
5304         UNSPEC_VP4DPWSSD, UNSPEC_VP4DPWSSDS.
5305         (define_mode_iterator IMOD4): New.
5306         (define_mode_attr imod4_narrow): Ditto.
5307         (define_insn "mov<mode>"): Ditto.
5308         (define_insn "avx5124fmaddps_4fmaddps"): Ditto.
5309         (define_insn "avx5124fmaddps_4fmaddps_mask"): Ditto.
5310         (define_insn "avx5124fmaddps_4fmaddps_maskz"): Ditto.
5311         (define_insn "avx5124fmaddps_4fmaddss"): Ditto.
5312         (define_insn "avx5124fmaddps_4fmaddss_mask"): Ditto.
5313         (define_insn "avx5124fmaddps_4fmaddss_maskz"): Ditto.
5314         (define_insn "avx5124fmaddps_4fnmaddps"): Ditto.
5315         (define_insn "avx5124fmaddps_4fnmaddps_mask"): Ditto.
5316         (define_insn "avx5124fmaddps_4fnmaddps_maskz"): Ditto.
5317         (define_insn "avx5124fmaddps_4fnmaddss"): Ditto.
5318         (define_insn "avx5124fmaddps_4fnmaddss_mask"): Ditto.
5319         (define_insn "avx5124fmaddps_4fnmaddss_maskz"): Ditto.
5320         (define_insn "avx5124vnniw_vp4dpwssd"): Ditto.
5321         (define_insn "avx5124vnniw_vp4dpwssd_mask"): Ditto.
5322         (define_insn "avx5124vnniw_vp4dpwssd_maskz"): Ditto.
5323         (define_insn "avx5124vnniw_vp4dpwssds"): Ditto.
5324         (define_insn "avx5124vnniw_vp4dpwssds_mask"): Ditto.
5325         (define_insn "avx5124vnniw_vp4dpwssds_maskz"): Ditto.
5326         * init-regs.c (initialize_uninitialized_regs): Add emit_clobber call.
5327         * genmodes.c (mode_size_inline): Extend return type.
5328         * machmode.h (mode_size, mode_base_align): Extend type.
5330 2016-11-17  Michael Meissner  <meissner@linux.vnet.ibm.com>
5332         PR target/78101
5333         * config/rs6000/predicates.md (fusion_addis_mem_combo_load): Add
5334         the appropriate checks for SFmode/DFmode load/stores in GPR
5335         registers.
5336         (fusion_addis_mem_combo_store): Likewise.
5337         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Rename
5338         fusion_fpr_* to fusion_vsx_* and add in support for ISA 3.0 scalar
5339         d-form instructions for traditional Altivec registers.
5340         (emit_fusion_p9_load): Likewise.
5341         (emit_fusion_p9_store): Likewise.
5342         * config/rs6000/rs6000.md (p9 fusion store peephole2): Remove
5343         early clobber from scratch register.  Do not match if the register
5344         being stored is the scratch register.
5345         (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_load): Rename fusion_fpr_*
5346         to fusion_vsx_* and add in support for ISA 3.0 scalar d-form
5347         instructions for traditional Altivec registers.
5348         (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_load): Likewise.
5349         (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
5350         (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
5352 2016-11-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5354         PR target/77933
5355         * config/arm/arm.c (thumb1_expand_prologue): Distinguish between lr
5356         being live in the function and lr needing to be saved.  Distinguish
5357         between already saved pushable registers and registers to push.
5358         Check for LR being an available pushable register.
5360 2016-11-17  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5362         * config/i386/i386.md (cmpstrnsi): New test to bail out if neither
5363         string input is a string constant.
5364         * builtins.c (expand_builtin_strncmp): Attempt expansion of strncmp
5365         via cmpstrnsi even if neither string is constant.
5367 2016-11-17  Jakub Jelinek  <jakub@redhat.com>
5369         PR middle-end/78201
5370         * varasm.c (default_use_anchors_for_symbol_p): Fix a comment typo.
5371         Don't test decl != NULL.  Don't look at DECL_SIZE, but DECL_SIZE_UNIT
5372         instead, return false if it is NULL, or doesn't fit into uhwi, or
5373         is larger or equal to targetm.max_anchor_offset.
5375 2016-11-17  Pip Cet  <pipcet@gmail.com>
5376             Eric Botcazou  <ebotcazou@adacore.com>
5378         PR rtl-optimization/78355
5379         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Document that the macro only
5380         needs to deal with unaligned accesses.
5381         * doc/tm.texi: Regenerate.
5382         * lra-constraints.c (simplify_operand_subreg): Only invoke
5383         SLOW_UNALIGNED_ACCESS on innermode if the MEM is not aligned enough.
5385 2016-11-17  David Malcolm  <dmalcolm@redhat.com>
5387         * input.c (selftest::test_lexer_string_locations_long_line): New
5388         function.
5389         (selftest::test_lexer_string_locations_raw_string_multiline): New
5390         function.
5391         (selftest::input_c_tests): Call the new functions, via
5392         for_each_line_table_case.
5394 2016-11-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5396         * config/aarch64/aarch64.md (mov<mode>): Call
5397         aarch64_split_dimode_const_store on DImode constant stores.
5398         * config/aarch64/aarch64-protos.h (aarch64_split_dimode_const_store):
5399         New prototype.
5400         * config/aarch64/aarch64.c (aarch64_split_dimode_const_store): New
5401         function.
5403 2016-11-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5404             Richard Biener  <rguenther@suse.de>
5406         PR tree-optimization/77848
5407         * tree-if-conv.c (tree_if_conversion): Always version loops unless
5408         the user specified -ftree-loop-if-convert.
5410 2016-11-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5412         PR target/77308
5413         * config/arm/arm.md (*thumb2_ldrd, *thumb2_ldrd_base,
5414         *thumb2_ldrd_base_neg, *thumb2_strd, *thumb2_strd_base,
5415         *thumb2_strd_base_neg): Recognize insn regardless of
5416         current_tune->prefer_ldrd_strd.
5417         * config/arm/ldrdstrd.md: Enable all ldrd/strd peephole rules
5418         whenever possible.
5420 2016-11-17  Claudiu Zissulescu  <claziss@synopsys.com>
5422         * config/arc/arc.c (arc_ccfsm_post_advance): Handle return
5423         instruction type.
5425 2016-11-17  Claudiu Zissulescu  <claziss@synopsys.com>
5427         * config/arc/arc-arches.def: Add FPX quarkse instruction as valid
5428         for arcem.
5429         * config/arc/arc-c.def (__ARC_FPX_QUARK__): Define.
5430         * config/arc/arc-cpus.def (quarkse_em): Add.
5431         * config/arc/arc-options.def (FL_FPX_QUARK, FL_QUARK): Likewise.
5432         * config/arc/arc-opts.h (FPX_QK): Define.
5433         * config/arc/arc-tables.opt: Regenerate.
5434         * config/arc/arc.c (gen_compare_reg): Change.
5435         (arc_register_move_cost): Avoid Dy,Dx moves.
5436         * config/arc/arc.h (TARGET_HARD_FLOAT): Change.
5437         (TARGET_FPX_QUARK, TARGET_FP_ASSIST): Define.
5438         * config/arc/arc.md (divsf3, sqrtsf2, fix_truncsfsi2, floatsisf2):
5439         New expands.
5440         * config/arc/fpu.md (divsf3_fpu, sqrtsf2_fpu, floatsisf2_fpu)
5441         (fix_truncsfsi2_fpu): Rename.
5442         * config/arc/fpx.md (cmp_quark, cmpsf_quark_, cmpsf_quark_ord)
5443         (cmpsf_quark_uneq, cmpsf_quark_eq, divsf3_quark, sqrtsf2_quark)
5444         (fix_truncsfsi2_quark, floatsisf2_quark): New patterns.
5445         * config/arc/t-multilib: Regenerate.
5447 2016-11-17  Georg-Johann Lay  <avr@gjlay.de>
5449         * config/avr/avr.c (avr_print_operand_address): Use CONST_INT_P if
5450         appropriate.
5451         (ashlqi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out): Same.
5452         (ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Same.
5453         (avr_rtx_costs_1, extra_constraint_Q): Same.
5454         (avr_address_cost): Use SUBREG_P if possible.
5456 2016-11-17  Richard Biener  <rguenther@suse.de>
5458         PR middle-end/78383
5459         * tree-cfgcleanup.c (cleanup_control_flow_bb): Do not turn
5460         non-local goto into CFG.
5462 2016-11-17  Richard Biener  <rguenther@suse.de>
5464         * common.opt (ftree-loop-if-convert-stores): Mark as preserved for
5465         backward compatibility.
5466         * doc/invoke.texi (ftree-loop-if-convert-stores): Remove.
5467         * tree-if-conv.c (pass_if_conversion::gate): Do not test
5468         flag_tree_loop_if_convert_stores.
5469         (pass_if_conversion::execute): Likewise.
5471 2016-11-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5473         * config/aarch64/predicates.md (aarch64_reg_or_fp_zero): Check for
5474         const_double code before calling aarch64_float_const_zero_rtx_p.
5476 2016-11-17  Richard Biener  <rguenther@suse.de>
5478         PR tree-optimization/78306
5479         * ipa-inline-analysis.c (initialize_inline_failed): Do not
5480         inhibit inlining if function calls cilk_spawn.
5481         (can_inline_edge_p): Likewise.
5483 2016-11-17  Richard Biener  <rguenther@suse.de>
5485         PR middle-end/78305
5486         * fold-const.c (negate_expr_p): Fix multiplication case.
5488 2016-11-17  Chung-Lin Tang  <cltang@codesourcery.com>
5490         PR target/78357
5491         * config/nios2/nios2.c (nios2_init_libfuncs): Remove TARGET_LINUX_ABI
5492         condition.
5493         (TARGET_INIT_LIBFUNCS): Delete definition and...
5494         * config/nios2/linux.h (TARGET_INIT_LIBFUNCS): ...move to here, add
5495         comments.
5497 2016-11-17  Krister Walfridsson  <krister.walfridsson@gmail.com>
5499         * config/netbsd-stdint.h: New.
5500         * config.gcc (i[34567]86-*-netbsd): Add netbsd-stdint.h to tm_file.
5501         (x86_64-*-netbsd*): Likewise.
5503 2016-11-16  Andrew PInski  <apinski@cavium.com>
5505         * config/aarch64/aarch64.opt (mverbose-cost-dump): New option.
5506         * config/aarch64/aarch64.c (aarch64_rtx_costs): Use
5507         flag_aarch64_verbose_cost instead of checking for details dump.
5508         (aarch64_rtx_costs_wrapper): Likewise.
5510 2016-11-16  Jakub Jelinek  <jakub@redhat.com>
5512         PR rtl-optimization/78378
5513         * combine.c (make_extraction): Use force_to_mode for non-{REG,MEM}
5514         inner only if pos is 0.  Fix up formatting.
5516 2016-11-17  Alan Modra  <amodra@gmail.com>
5518         PR rtl-optimization/78325
5519         PR rtl-optimization/70890
5520         * ira.c (combine_and_move_insns): Only remove REG_EQUIV notes
5521         for dead regno.
5523 2016-11-16  Jason Merrill  <jason@redhat.com>
5525         * rtl.h: Declare gt_ggc_mx and gt_pch_nx.
5527 2016-11-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5528             Richard Biener  <rguenther@suse.de>
5530         PR tree-optimization/77848
5531         * tree-if-conv.c (version_loop_for_if_conversion): When versioning
5532         an outer loop, only save basic block aux information for the inner
5533         loop.
5534         (versionable_outer_loop_p): New function.
5535         (tree_if_conversion): Version the outer loop instead of the inner
5536         one if the pattern will be recognized for outer-loop
5537         vectorization.
5539 2016-11-16  Andrew Burgess  <andrew.burgess@embecosm.com>
5541         * gcc/bb-reorder.c: Remove 'toplev.h' include.
5542         (pass_partition_blocks::gate): No longer check
5543         user_defined_section_attribute, instead check the function decl
5544         for a section attribute.
5545         * gcc/c-family/c-attribs.c (handle_section_attribute): No longer
5546         set user_defined_section_attribute.
5547         * gcc/final.c (rest_of_handle_final): Likewise.
5548         * gcc/toplev.c: Remove definition of user_defined_section_attribute.
5549         * gcc/toplev.h: Remove declaration of
5550         user_defined_section_attribute.
5552 2016-11-16  Maciej W. Rozycki  <macro@imgtec.com>
5554         * config/mips/mips.md (casesi_internal_mips16_<mode>):
5555         Explicitly switch between JR and JRC for the table jump.  Adjust
5556         instruction count.
5558 2016-11-16  Maciej W. Rozycki  <macro@imgtec.com>
5560         * config/mips/mips.md (casesi_internal_mips16_<mode>): Set
5561         `insn_count' to 11 rather than 16.
5563 2016-11-16  Maciej W. Rozycki  <macro@imgtec.com>
5565         * config/mips/mips.md (casesi_internal_mips16_<mode>): Use the
5566         `ltu' rather than `leu' operation in the RTL pattern
5568 2016-11-16  Maciej W. Rozycki  <macro@imgtec.com>
5570         * config/mips/mips.md (casesi_internal_mips16_<mode>): Add
5571         missing <d> instruction prefixes throughout.  Correct
5572         formatting.
5574 2016-11-16  Maciej W. Rozycki  <macro@imgtec.com>
5576         * config/mips/mips.c (mips_output_jump): Output R_MICROMIPS_JALR
5577         rather than R_MIPS_JALR relocation in microMIPS code.  Do not
5578         cancel short delay slots in PIC call relaxation.
5580 2016-11-16  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5582         * config/arm/arm.md (arm_addsi3): Add alternative for addition of
5583         general register with general register or ARM constant into SP
5584         register.
5586 2016-11-16  Jakub Jelinek  <jakub@redhat.com>
5588         PR fortran/78299
5589         * omp-low.c (expand_omp_for_static_nochunk): Don't assert
5590         that loop->header == body_bb if broken_loop.
5592 2015-11-16  Wilco Dijkstra  <wdijkstr@arm.com>
5594         * tree-ssa-math-opts.c (bswap_replace): Remove test
5595         of SLOW_UNALIGNED_ACCESS.
5597 2016-11-16  Alexander Monakov  <amonakov@ispras.ru>
5599         * config/nvptx/mkoffload.c (main): Check that either OpenACC or OpenMP
5600         is selected.  Pass -mgomp to offload compiler in OpenMP case.
5601         * config/nvptx/nvptx-protos.h (nvptx_shuffle_kind): Move enum
5602         declaration from nvptx.c.
5603         (nvptx_gen_shuffle): Declare.
5604         (nvptx_output_set_softstack): Declare.
5605         * config/nvptx/nvptx.c (nvptx_shuffle_kind): Move to nvptx-protos.h.
5606         (need_softstack_decl): New variable.
5607         (need_unisimt_decl): New variable.
5608         (diagnose_openacc_conflict): New.  Use it...
5609         (nvptx_option_override): ...here.  Handle TARGET_GOMP.
5610         (nvptx_encode_section_info): Handle "shared" attribute.
5611         (write_as_kernel): Restrict to OpenACC target regions.
5612         (init_softstack_frame): New.
5613         (nvptx_init_unisimt_predicate): New.
5614         (write_omp_entry): New.  Use it...
5615         (nvptx_declare_function_name): ...here to emit OpenMP target region
5616         entrypoints.  Handle TARGET_SOFT_STACK.  Call
5617         nvptx_init_unisimt_predicate.
5618         (nvptx_output_set_softstack): New.
5619         (nvptx_get_drap_rtx): Return %argp as the DRAP if needed.
5620         (nvptx_gen_shuffle): Export.
5621         (nvptx_output_call_insn): Handle COND_EXEC patterns.  Emit instruction
5622         predicate.
5623         (nvptx_print_operand): Fix handling of instruction predicates.
5624         (nvptx_get_unisimt_master): New helper function.
5625         (nvptx_get_unisimt_predicate): Ditto.
5626         (nvptx_call_insn_is_syscall_p): Ditto.
5627         (nvptx_unisimt_handle_set): Ditto.
5628         (nvptx_reorg_uniform_simt): New.  Transform code for -muniform-simt.
5629         (nvptx_reorg): Call nvptx_reorg_uniform_simt.
5630         (nvptx_handle_shared_attribute): New.  Use it...
5631         (nvptx_attribute_table): ... here (new entry).
5632         (nvptx_record_offload_symbol): Handle NULL attributes.
5633         (nvptx_file_end): Handle need_softstack_decl and need_unisimt_decl.
5634         (nvptx_simt_vf): New.
5635         (TARGET_SIMT_VF): Define.
5636         * config/nvptx/nvptx.h (TARGET_CPU_CPP_BUILTINS): Define
5637         __nvptx_softstack or __nvptx_unisimt__ when -msoft-stack, or resp.
5638         -muniform-simt option is active.
5639         (STACK_SIZE_MODE): Define.
5640         (FIXED_REGISTERS): Adjust.
5641         (SOFTSTACK_SLOT_REGNUM): New.
5642         (SOFTSTACK_PREV_REGNUM): New.
5643         (REGISTER_NAMES): Adjust.
5644         (struct machine_function): New fields.
5645         * config/nvptx/nvptx.md (UNSPEC_SET_SOFTSTACK): New.
5646         (UNSPEC_VOTE_BALLOT): Ditto.
5647         (UNSPEC_LANEID): Ditto.
5648         (UNSPECV_NOUNROLL): Ditto.
5649         (atomic): New attribute.
5650         (predicable): New attribute.  Generate predicated forms via
5651         define_cond_exec.
5652         (br_true): Mark as not predicable.
5653         (br_false): Ditto.
5654         (br_true_uni): Ditto.
5655         (br_false_uni): Ditto.
5656         (return): Ditto.
5657         (trap_if_true): Ditto.
5658         (trap_if_false): Ditto.
5659         (nvptx_fork): Ditto.
5660         (nvptx_forked): Ditto.
5661         (nvptx_joining): Ditto.
5662         (nvptx_join): Ditto.
5663         (nvptx_barsync): Ditto.
5664         (epilogue): Emit stack restore if TARGET_SOFT_STACK.
5665         (allocate_stack): Implement for TARGET_SOFT_STACK.  Remove unused code.
5666         (allocate_stack_<mode>): Remove unused pattern.
5667         (set_softstack_insn): New pattern.
5668         (restore_stack_block): Handle for TARGET_SOFT_STACK.
5669         (nvptx_vote_ballot): New pattern.
5670         (omp_simt_lane): Ditto.
5671         (omp_simt_last_lane): Ditto.
5672         (omp_simt_ordered): Ditto.
5673         (omp_simt_vote_any): Ditto.
5674         (omp_simt_xchg_bfly): Ditto.
5675         (omp_simt_xchg_idx): Ditto.
5676         (nvptx_nounroll): Ditto.
5677         (atomic_compare_and_swap<mode>_1): Mark with atomic attribute.
5678         (atomic_exchange<mode>): Ditto.
5679         (atomic_fetch_add<mode>): Ditto.
5680         (atomic_fetch_addsf): Ditto.
5681         (atomic_fetch_<logic><mode>): Ditto.
5682         * config/nvptx/nvptx.opt (msoft-stack): New option.
5683         (muniform-simt): Ditto.
5684         (mgomp): Ditto.
5685         * config/nvptx/t-nvptx (MULTILIB_OPTIONS): New.
5686         * doc/extend.texi (Nvidia PTX Variable Attributes): New section.
5687         * doc/invoke.texi (msoft-stack): Document.
5688         (muniform-simt): Document
5689         (mgomp): Document.
5690         * doc/tm.texi: Regenerate.
5691         * doc/tm.texi.in (TARGET_SIMT_VF): New hook.
5692         * target.def: Define it.
5693         * target-insns.def (omp_simt_lane): New.
5694         (omp_simt_last_lane): New.
5695         (omp_simt_ordered): New.
5696         (omp_simt_vote_any): New.
5697         (omp_simt_xchg_bfly): New.
5698         (omp_simt_xchg_idx): New.
5700 2016-11-16  Maciej W. Rozycki  <macro@imgtec.com>
5702         * config/mips/mips-protos.h (mips_set_text_contents_type): New
5703         prototype.
5704         * config/mips/mips.h (ASM_OUTPUT_BEFORE_CASE_LABEL): New macro.
5705         (ASM_OUTPUT_CASE_END): Likewise.
5706         * config/mips/mips.c (mips_set_text_contents_type): New function.
5707         (mips16_emit_constants): Record the pool's initial label number
5708         with the `consttable' insn.  Emit a `consttable_end' insn at the end.
5709         (mips_final_prescan_insn): Call `mips_set_text_contents_type'
5710         for `consttable' insns.
5711         (mips_final_postscan_insn): Call `mips_set_text_contents_type'
5712         for `consttable_end' insns.
5713         * config/mips/mips.md (unspec): Add UNSPEC_CONSTTABLE_END enum value.
5714         (consttable): Add operand.
5715         (consttable_end): New insn.
5717 2016-11-16  Yuri Rumyantsev  <ysrumyan@gmail.com>
5719         * params.def (PARAM_VECT_EPILOGUES_NOMASK): New.
5720         * tree-if-conv.c (tree_if_conversion): Make public.
5721         * * tree-if-conv.h: New file.
5722         * tree-vect-data-refs.c (vect_analyze_data_ref_dependences) Avoid
5723         dynamic alias checks for epilogues.
5724         * tree-vect-loop-manip.c (vect_do_peeling): Return created epilog.
5725         * tree-vect-loop.c: include tree-if-conv.h.
5726         (new_loop_vec_info): Add zeroing orig_loop_info field.
5727         (vect_analyze_loop_2): Don't try to enhance alignment for epilogues.
5728         (vect_analyze_loop): Add argument ORIG_LOOP_INFO which is not NULL
5729         if epilogue is vectorized, set up orig_loop_info field of loop_vinfo
5730         using passed argument.
5731         (vect_transform_loop): Check if created epilogue should be returned
5732         for further vectorization with less vf.  If-convert epilogue if
5733         required. Print vectorization success for epilogue.
5734         * tree-vectorizer.c (vectorize_loops): Add epilogue vectorization
5735         if it is required, pass loop_vinfo produced during vectorization of
5736         loop body to vect_analyze_loop.
5737         * tree-vectorizer.h (struct _loop_vec_info): Add new field
5738         orig_loop_info.
5739         (LOOP_VINFO_ORIG_LOOP_INFO): New.
5740         (LOOP_VINFO_EPILOGUE_P): New.
5741         (LOOP_VINFO_ORIG_VECT_FACTOR): New.
5742         (vect_do_peeling): Change prototype to return epilogue.
5743         (vect_analyze_loop): Add argument of loop_vec_info type.
5744         (vect_transform_loop): Return created loop.
5746 2016-11-16  Segher Boessenkool  <segher@kernel.crashing.org>
5748         * config/rs6000/rs6000.c (rs6000_components_for_bb): Mark the LR
5749         component as used also if LR_REGNO is a live input to the bb.
5750         * df-scan.c (df_get_entry_block_def_set): Return immediately after
5751         clearing the set if DF_SCAN_EMPTY_ENTRY_EXIT is set.
5752         (df_get_exit_block_use_set): Ditto.
5753         * df.h (df_scan_flags): New enum.
5754         * shrink-wrap.c (try_shrink_wrapping_separate): Set
5755         DF_SCAN_EMPTY_ENTRY_EXIT in df_scan->local_flags, and call
5756         df_update_entry_block_defs and df_update_exit_block_uses
5757         at the start; clear the flag and call those functions at the end.
5759 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5760             Alan Hayward  <alan.hayward@arm.com>
5761             David Sherwood  <david.sherwood@arm.com>
5763         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Set
5764         nb_iterations to the number of latch iterations rather than the
5765         number of loop iterations.
5767 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5768             Alan Hayward  <alan.hayward@arm.com>
5769             David Sherwood  <david.sherwood@arm.com>
5771         * combine.c (maybe_swap_commutative_operands): New function.
5772         (combine_simplify_rtx): Use it.
5773         (change_zero_ext): Likewise.
5774         (make_compound_operation_int): New function, split out of...
5775         (make_compound_operation): ...here.  Use
5776         maybe_swap_commutative_operands for both.
5778 2016-11-16  Richard Earnshaw  <rearnsha@arm.com>
5780         * arm/arm-fpus.def (vfpv2): New FPU, currently an alias for 'vfp'.
5781         (neon-vfpv3): New FPU, currently an alias for 'neon'.
5782         * arm/arm-tables.opt: Regenerated.
5783         * arm/t-aprofile (MULTILIB_REUSE): Add reuse rules for vfpv2 and
5784         neon-vfpv3.
5785         * doc/invoke.texi (ARM: -mfpu): Document new options.  Note that 'vfp'
5786         and 'neon' are aliases for specific implementations.
5788 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5789             Alan Hayward  <alan.hayward@arm.com>
5790             David Sherwood  <david.sherwood@arm.com>
5792         * optabs.c (vector_compare_rtx): Add a cmp_mode parameter
5793         and use it in the final call to gen_rtx_fmt_ee.
5794         (expand_vec_cond_expr): Update accordingly.
5795         (expand_vec_cmp_expr): Likewise.
5797 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5798             Alan Hayward  <alan.hayward@arm.com>
5799             David Sherwood  <david.sherwood@arm.com>
5801         * cprop.c (local_cprop_find_used_regs): Use df_read_modify_subreg_p.
5803 2016-11-16  Richard Biener  <rguenther@suse.de>
5805         PR middle-end/78333
5806         * gimplify.c (gimplify_function_tree): Do not instrument
5807         GNU extern inline functions.
5809 2016-11-16  Martin Liska  <mliska@suse.cz>
5811         PR sanitizer/78270
5812         * gimplify.c (gimplify_switch_expr): Always save previous
5813         gimplify_ctxp->live_switch_vars.
5815 2016-11-16  Andrew Burgess  <andrew.burgess@embecosm.com>
5817         * config/arc/arc.md (movb peephole2): New peephole2 to merge two
5818         zero_extract operations to allow a movb to occur.
5819         * testsuite/gcc.target/arc/movb-1.c: Update little endian arc results.
5820         * testsuite/gcc.target/arc/movb-2.c: Likewise.
5821         * testsuite/gcc.target/arc/movb-5.c: Likewise.
5822         * testsuite/gcc.target/arc/movh_cl-1.c: Extend test to cover
5823         little endian arc.
5825 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5826             Alan Hayward  <alan.hayward@arm.com>
5827             David Sherwood  <david.sherwood@arm.com>
5829         * expr.c (emit_group_load_1): Tighten check for whether an
5830         access involves only one operand of a CONCAT.  Use extract_bit_field
5831         for constants if the bit range does span the whole operand.
5833 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5834             Alan Hayward  <alan.hayward@arm.com>
5835             David Sherwood  <david.sherwood@arm.com>
5837         * rtlanal.c (rtx_addr_can_trap_p_1): Handle unknown sizes.
5839 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5840             Alan Hayward  <alan.hayward@arm.com>
5841             David Sherwood  <david.sherwood@arm.com>
5843         * tree-vect-loop.c (vect_transform_loop): Protect the updates of
5844         all three iteration counts with an any_* test.  Use a single update
5845         for each count.  Fix the calculation of nb_iterations_estimate.
5847 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5849         * config/pdp11/pdp11.c: Include dbxout.h.
5851 2016-11-16  Richard Sandiford  <richard.sandiford@arm.com>
5853         * config/arc/arc.c (arc_loop_hazard): Add missing brackets.
5855 2016-11-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5857         PR target/78364
5858         * config/arm/arm.md (*extv_reg): Restrict operands 2 and 3 to the
5859         proper ranges for an SBFX instruction.
5860         (extzv_t2): Likewise for UBFX.
5862 2016-11-16  Richard Biener  <rguenther@suse.de>
5864         PR tree-optimization/78348
5865         * tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMMOVE.
5866         (generate_memcpy_builtin): Honor PKIND_MEMCPY on the partition.
5867         (classify_partition): Set PKIND_MEMCPY if dependence analysis
5868         revealed no dependency, PKIND_MEMMOVE otherwise.
5870 2016-11-16  Jakub Jelinek  <jakub@redhat.com>
5872         PR sanitizer/77823
5873         * ubsan.c (ubsan_build_overflow_builtin): Add DATAP argument, if
5874         it points to non-NULL tree, use it instead of ubsan_create_data.
5875         (instrument_si_overflow): Handle vector signed integer overflow
5876         checking.
5877         * ubsan.h (ubsan_build_overflow_builtin): Add DATAP argument.
5878         * tree-vrp.c (simplify_internal_call_using_ranges): Punt for
5879         vector IFN_UBSAN_CHECK_*.
5880         * internal-fn.c (expand_addsub_overflow): Add DATAP argument,
5881         pass it through to ubsan_build_overflow_builtin.
5882         (expand_neg_overflow, expand_mul_overflow): Likewise.
5883         (expand_vector_ubsan_overflow): New function.
5884         (expand_UBSAN_CHECK_ADD, expand_UBSAN_CHECK_SUB,
5885         expand_UBSAN_CHECK_MUL): Use tit for vector arithmetics.
5886         (expand_arith_overflow): Adjust expand_*_overflow callers.
5888 2016-11-16  Matthias Klose  <doko@ubuntu.com>
5890         * doc/install.texi: Remove references to java/libjava.
5892 2016-11-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
5894         * tree-ssa-coalesce.c (register_default_def): Remove
5895         register_ssa_partition.
5896         (create_outofssa_var_map): Likewise.
5897         * tree-ssa-live.c (register_ssa_partition_check): Remove.
5898         * tree-ssa-live.h (register_ssa_partition): Likewise.
5900 2016-11-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5902         * genattrtab.c (attr_rtx_1): Avoid allocating new rtx objects.
5903         Clear ATTR_CURR_SIMPLIFIED_P for re-used binary rtx objects.
5904         Use DEF_ATTR_STRING for string arguments.  Use RTL_HASH for
5905         integer arguments.  Only set ATTR_PERMANENT_P on newly hashed
5906         rtx when all sub-rtx are also permanent.
5907         (attr_eq): Simplify.
5908         (attr_copy_rtx): Remove.
5909         (make_canonical, get_attr_value): Use attr_equal_p.
5910         (copy_boolean): Rehash NOT.
5911         (simplify_test_exp_in_temp,
5912         optimize_attrs): Remove call to attr_copy_rtx.
5913         (attr_alt_intersection, attr_alt_union,
5914         attr_alt_complement, mk_attr_alt): Rehash EQ_ATTR_ALT.
5915         (make_automaton_attrs): Use attr_eq.
5917 2016-11-15  Matthias Klose  <doko@ubuntu.com>
5919         * doc/install.texi: Remove references to java/libjava.
5920         * doc/sourcebuild.texi: Likewise.
5921         * doc/invoke.texi: Likewise.
5922         * doc/standards.texi: Likewise.
5924 2016-11-15  Richard Sandiford  <richard.sandiford@arm.com>
5925             Alan Hayward  <alan.hayward@arm.com>
5926             David Sherwood  <david.sherwood@arm.com>
5928         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use Pmode instead
5929         of VOIDmode.
5930         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5931         * config/iq2000/iq2000.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5932         * config/m68k/m68k.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5933         * config/microblaze/microblaze.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5934         * config/mips/mips.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5935         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5936         * config/nios2/nios2.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5938 2016-11-15  Richard Sandiford  <richard.sandiford@arm.com>
5939             Alan Hayward  <alan.hayward@arm.com>
5940             David Sherwood  <david.sherwood@arm.com>
5942         * dce.c (check_argument_store): Pass the size instead of
5943         the memory reference.
5944         (find_call_stack_args): Pass MEM_SIZE to check_argument_store.
5946 2016-11-15  Richard Sandiford  <richard.sandiford@arm.com>
5947             Alan Hayward  <alan.hayward@arm.com>
5948             David Sherwood  <david.sherwood@arm.com>
5950         * alias.c (canon_rtx): Use simplify_gen_binary.
5952 2016-11-15  Richard Sandiford  <richard.sandiford@arm.com>
5953             Alan Hayward  <alan.hayward@arm.com>
5954             David Sherwood  <david.sherwood@arm.com>
5956         * rtl.h (load_extend_op): Declare.
5957         * rtlanal.c (load_extend_op): New function.
5958         (nonzero_bits1): Use it.
5959         (num_sign_bit_copies1): Likewise.
5960         * cse.c (cse_insn): Likewise.
5961         * fold-const.c (fold_single_bit_test): Likewise.
5962         (fold_unary_loc): Likewise.
5963         * fwprop.c (free_load_extend): Likewise.
5964         * postreload.c (reload_cse_simplify_set): Likewise.
5965         (reload_cse_simplify_operands): Likewise.
5966         * combine.c (try_combine): Likewise.
5967         (simplify_set): Likewise.  Remove redundant SUBREG_BYTE and
5968         subreg_lowpart_p checks.
5970 2016-11-15  Richard Sandiford  <richard.sandiford@arm.com>
5971             Alan Hayward  <alan.hayward@arm.com>
5972             David Sherwood  <david.sherwood@arm.com>
5974         * combine.c (simplify_shift_const_1): Use the number of bits
5975         in the inner mode to determine the range of the shift.
5976         When handling shifts of vectors, skip any rules that apply
5977         only to scalars.
5979 2016-11-15  Richard Sandiford  <richard.sandiford@arm.com>
5980             Alan Hayward  <alan.hayward@arm.com>
5981             David Sherwood  <david.sherwood@arm.com>
5983         * rtlanal.c (num_sign_bit_copies1): Calculate bitwidth after
5984         handling VOIDmode.
5986 2016-11-15  Matthias Klose  <doko@ubuntu.com>
5988         * doc/install.texi: Remove references to gcj/libjava.
5989         * doc/invoke.texi: Likewise.
5991 2016-11-15  Jeff Law  <law@redhat.com>
5993         * tree-ssa-threadbackward.c (fsm_find_thread_path): Remove unneeded
5994         parameter.  Callers changed.
5995         (check-subpath_and_update_thread_path): Extracted from
5996         fsm_find_control_statement_thread_paths.
5997         (handle_phi, handle_assignment, handle_assignment_p): Likewise.
5998         (handle_phi, handle_assignment): Allow any constant node, not
5999         just INTEGER_CST.
6001 2016-11-15  Claudiu Zissulescu  <claziss@synopsys.com>
6003         * config/arc/arc-arch.h: New file.
6004         * config/arc/arc-arches.def: Likewise.
6005         * config/arc/arc-cpus.def: Likewise.
6006         * config/arc/arc-options.def: Likewise.
6007         * config/arc/t-multilib: Likewise.
6008         * config/arc/genmultilib.awk: Likewise.
6009         * config/arc/genoptions.awk: Likewise.
6010         * config/arc/arc-tables.opt: Likewise.
6011         * config/arc/driver-arc.c: Likewise.
6012         * testsuite/gcc.target/arc/nps400-cpu-flag.c: Likewise.
6013         * common/config/arc/arc-common.c (arc_handle_option): Trace
6014         toggled options.
6015         * config.gcc (arc*-*-*): Add arc-tables.opt to arc's extra
6016         options; check for supported cpu against arc-cpus.def file.
6017         (arc*-*-elf*, arc*-*-linux-uclibc*): Use new make fragment; define
6018         TARGET_CPU_BUILD macro; add driver-arc.o as an extra object.
6019         * config/arc/arc-c.def: Add emacs local variables.
6020         * config/arc/arc-opts.h (processor_type): Use arc-cpus.def file.
6021         (FPU_FPUS, FPU_FPUD, FPU_FPUDA, FPU_FPUDA_DIV, FPU_FPUDA_FMA)
6022         (FPU_FPUDA_ALL, FPU_FPUS_DIV, FPU_FPUS_FMA, FPU_FPUS_ALL)
6023         (FPU_FPUD_DIV, FPU_FPUD_FMA, FPU_FPUD_ALL): New defines.
6024         (DEFAULT_arc_fpu_build): Define.
6025         (DEFAULT_arc_mpy_option): Define.
6026         * config/arc/arc-protos.h (arc_init): Delete.
6027         * config/arc/arc.c (arc_cpu_name): New variable.
6028         (arc_selected_cpu, arc_selected_arch, arc_arcem, arc_archs)
6029         (arc_arc700, arc_arc600, arc_arc601): New variable.
6030         (arc_init): Add static; remove selection of default tune value,
6031         cleanup obsolete error messages.
6032         (arc_override_options): Make use of .def files for selecting the
6033         right cpu and option configurations.
6034         * config/arc/arc.h (stdbool.h): Include.
6035         (TARGET_CPU_DEFAULT): Define.
6036         (CPP_SPEC): Remove mcpu=NPS400 handling.
6037         (arc_cpu_to_as): Declare.
6038         (EXTRA_SPEC_FUNCTIONS): Define.
6039         (OPTION_DEFAULT_SPECS): Likewise.
6040         (ASM_DEFAULT): Remove.
6041         (ASM_SPEC): Use arc_cpu_to_as.
6042         (DRIVER_SELF_SPECS): Remove deprecated options.
6043         (arc_base_cpu): Declare.
6044         (TARGET_ARC600, TARGET_ARC601, TARGET_ARC700, TARGET_EM)
6045         (TARGET_HS, TARGET_V2, TARGET_ARC600): Make them use arc_base_cpu
6046         variable.
6047         (MULTILIB_DEFAULTS): Use ARC_MULTILIB_CPU_DEFAULT.
6048         * config/arc/arc.md (attr_cpu): Remove.
6049         * config/arc/arc.opt (mno-mpy): Deprecate.
6050         (mcpu=ARC600, mcpu=ARC601, mcpu=ARC700, mcpu=NPS400, mcpu=ARCEM)
6051         (mcpu=ARCHS): Remove.
6052         (mcrc, mdsp-packa, mdvbf, mmac-d16, mmac-24, mtelephony, mrtsc):
6053         Deprecate.
6054         (mbarrel_shifte, mspfp_, mdpfp_, mdsp_pack, mmac_): Remove.
6055         (arc_fpu): Use new defines.
6056         (mpy-option): Change to use numeric or string like inputs.
6057         * config/arc/t-arc (driver-arc.o): New target.
6058         (arc-cpus, t-multilib, arc-tables.opt): Likewise.
6059         * config/arc/t-arc-newlib: Delete.
6060         * config/arc/t-arc-uClibc: Renamed to t-uClibc.
6061         * doc/invoke.texi (ARC): Update arc options.
6063 2016-11-15  Maciej W. Rozycki  <macro@imgtec.com>
6065         * config/mips/mips.c (mips16_emit_constants): Emit `consttable'
6066         insn at the beginning of the constant pool.
6067         (mips_insert_insn_pseudos): New function.
6068         (mips_machine_reorg2): Call it.
6069         * config/mips/mips.md (unspec): Add UNSPEC_CONSTTABLE and
6070         UNSPEC_INSN_PSEUDO enum values.
6071         (insn_pseudo, consttable): New insns.
6073 2016-11-15  Michael Matz  <matz@suse.de>
6075         PR missed-optimization/77881
6076         * combine.c (simplify_comparison): Remove useless subregs
6077         also inside the loop, not just after it.
6078         (make_compound_operation): Recognize some subregs as being
6079         masking as well.
6081 2016-11-15  Richard Sandiford  <richard.sandiford@arm.com>
6082             Alan Hayward  <alan.hayward@arm.com>
6083             David Sherwood  <david.sherwood@arm.com>
6085         * dwarf2out.c (mem_loc_descriptor): Fix GET_MODE_CLASS/
6086         GET_MODE_SIZE typo.
6088 2016-11-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6090         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Add support
6091         for using xxinsertw and vinsert{b,h} on ISA 3.0.
6093         * config/rs6000/vsx.md (vsx_extract_<mode>): Update comment.
6094         (vsx_set_<mode>_p9): New insn to generate xxinsertw and
6095         vinsert{b,h} on ISA 3.0.
6097 2016-11-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6099         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
6100         and cmpnop in two steps: first the ones not accessed in original gimple
6101         expression in a endian independent way and then the ones not accessed
6102         in the final result in an endian-specific way.
6103         (bswap_replace): Stop doing big endian adjustment.
6105 2016-11-14  Uros Bizjak  <ubizjak@gmail.com>
6107         * config/i386/i386.md (*andndi3_doubleword): Merge operand constraints.
6108         (*ashl<mode>3_doubleword): Ditto.
6110 2016-11-14  Martin Liska  <mliska@suse.cz>
6112         * tree-ssa-dse.c (dse_optimize_stmt): Remove quotes and extra new line.
6114 2016-11-14  Prasad Ghangal  <prasad.ghangal@gmail.com>
6115             Richard Biener  <rguenther@suse.de>
6117         * doc/invoke.texi (fgimple): Document.
6118         * dumpfile.h (TDF_GIMPLE): Add.
6119         * dumpfile.c (dump_options): Add gimple.
6120         * gimple-pretty-print.c (dump_gimple_switch): Adjust dump
6121         for TDF_GIMPLE.
6122         (dump_gimple_label): Likewise.
6123         (dump_gimple_phi): Likewise.
6124         (dump_gimple_bb_header): Likewise.
6125         (dump_phi_nodes): Likewise.
6126         (pp_cfg_jump): Likewise.  Pass in dump flags.
6127         (dump_implicit_edges): Adjust.
6128         * passes.c (pass_init_dump_file): Do not dump function header
6129         for TDF_GIMPLE.
6130         * tree-cfg.c (dump_function_to_file): Dump function return type
6131         and __GIMPLE keyword for TDF_GIMPLE.  Change guard for dumping
6132         GIMPLE stmts.
6133         * tree-pretty-print.c (dump_decl_name): Adjust dump for TDF_GIMPLE.
6134         (dump_generic_node): Likewise.
6135         * function.h (struct function): Add pass_startwith member.
6136         * passes.c (execute_one_pass): Implement startwith.
6137         * tree-ssanames.c (make_ssa_name_fn): New argument, check for version
6138         and assign proper version for parsed ssa names.
6139         * tree-ssanames.h (make_ssa_name_fn): Add new argument to the function.
6140         * internal-fn.c (expand_PHI): New function.
6141         * internal-fn.h (expand_PHI): Declared here.
6142         * internal-fn.def: New defination for PHI.
6143         * tree-cfg.c (lower_phi_internal_fn): New function.
6144         (build_gimple_cfg): Call it.
6145         (verify_gimple_call): Condition for passing label as arg in internal
6146         function PHI.
6147         * tree-into-ssa.c (rewrite_add_phi_arguments): Handle already
6148         present PHIs with arguments.
6150 2016-11-14  Martin Liska  <mliska@suse.cz>
6152         PR bootstrap/78069
6153         * common.opt: Add prefer-atomic as a new enum value for
6154         -fprofile-update.
6155         * coretypes.h: Likewise.
6156         * doc/invoke.texi: Document the new option value.
6157         * gcc.c: Replace atomic with prefer-atomic.  Remove warning.
6158         * tree-profile.c (tree_profiling): Select default value
6159         of -fprofile-update when 'prefer-atomic' is selected.
6161 2016-11-14  Wilco Dijkstra  <wdijkstr@arm.com>
6163         * config/arm/cortex-a57.md (cortex_a57_alu): Move extend here, bfm...
6164         (cortex_a57_alu_shift): ...here.
6166 2016-11-14  Wilco Dijkstra  <wdijkstr@arm.com>
6168         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3)
6169         Use bfx attribute.
6170         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
6171         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
6172         (<optab>si3_insn_uxtw): Likewise.
6173         (<optab><mode>3_insn): Likewise.
6174         (<ANY_EXTEND:optab><GPI:mode>_ashl<SHORT:mode>): Likewise.
6175         (zero_extend<GPI:mode>_lshr<SHORT:mode>): Likewise.
6176         (extend<GPI:mode>_ashr<SHORT:mode>): Likewise.
6177         (<optab><mode>): Likewise.
6178         (insv<mode>): Likewise.
6179         (andim_ashift<mode>_bfiz): Likewise.
6180         * config/aarch64/thunderx.md (thunderx_shift): Add bfx.
6181         * config/arm/cortex-a53.md (cortex_a53_alu_shift): Likewise.
6182         * config/arm/cortex-a57.md (cortex_a57_alu): Add bfx.
6183         * config/arm/exynos-m1.md (exynos_m1_alu): Add bfx.
6184         (exynos_m1_alu_p): Likewise.
6185         * config/arm/types.md: Add bfx.
6186         * config/arm/xgene1.md (xgene1_bfm): Add bfx.
6188 2016-11-14  Wilco Dijkstra  <wdijkstr@arm.com>
6190         * config/aarch64/aarch64.c (cortexa57_vector_cost):
6191         Change vec_stmt_cost, vec_align_load_cost and vec_unalign_load_cost.
6193 2016-11-14  Richard Biener  <rguenther@suse.de>
6195         PR tree-optimization/78312
6196         * gimple-ssa-backprop.c (backprop::prepare_change): Reset
6197         flow-sensitive info.
6199 2016-11-14  Georg-Johann Lay  <avr@gjlay.de>
6201         PR target/78093
6202         * doc/invoke.texi (AVR Options) [-mabsdata]: Document new option.
6203         * config/avr/avr.opt (-mabsdata): New option.
6204         * config/avr/avr-arch.h (avr_device_specific_features): Add AVR_ISA_LDS.
6205         * config/avr/avr.c (avr_encode_section_info) [AVR_TINY]: If
6206         -mabsdata & symbol is not progmem, tag as AVR_SYMBOL_FLAG_TINY_ABSDATA.
6207         * config/avr/avr-mcus.def (attiny4/5/9/10/20): Use AVR_ISA_LDS.
6208         * config/avr/gen-avr-mmcu-specs.c (print_mcu): Print cc1_absdata
6209         spec depending on AVR_ISA_LDS.
6210         * config/avr/specs.h (CC1_SPEC): Enhanced by cc1_absdata spec.
6212 2016-11-13  Jakub Jelinek  <jakub@redhat.com>
6214         * match.pd: Don't try to compare addresses of variables with
6215         DECL_VALUE_EXPR.
6217 2016-11-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
6219         * ipa-cp.c (ipa_get_jf_pass_through_result): Skip unary expressions.
6220         (propagate_vr_accross_jump_function): Handle unary expressions.
6221         * ipa-prop.c (ipa_set_jf_unary_pass_through): New.
6222         (load_from_param_1): New.
6223         (load_from_unmodified_param): Factor common part into load_from_param_1.
6224         (load_from_param): New.
6225         (compute_complex_assign_jump_func): Handle unary expressions.
6226         (update_jump_functions_after_inlining): Likewise.
6227         (ipa_write_jump_function): Likewise.
6228         (ipa_read_jump_function): Likewise.
6230 2016-11-13  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6232         PR c/35503
6233         * doc/invoke.texi: Document Wrestrict.
6234         * pretty-print.c (pp_format): Add case for "Z" specifier.
6235         (test_pp_format): Test "Z" specifier.
6237 2016-11-13  Eric Botcazou  <ebotcazou@adacore.com>
6239         * ipa-icf.c (sem_function::merge): Do not create a wrapper also if the
6240         original function needs a static chain.
6242 2016-11-13  David Edelsohn  <dje.gcc@gmail.com>
6244         PR target/78336
6245         * config/rs6000/rs6000.c (rs6000_asm_weaken_decl): Protect
6246         ASM_OUTPUT_DEF.
6248 2016-11-12  Segher Boessenkool  <segher@kernel.crashing.org>
6250         PR target/77957
6251         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6252         return early if !optional_tbtab.
6254 2016-11-11  Eric Botcazou  <ebotcazou@adacore.com>
6256         PR rtl-optimization/59461
6257         * doc/rtl.texi (paradoxical subregs): Add missing word.
6258         * combine.c (reg_nonzero_bits_for_combine): Do not discard results
6259         in modes with precision larger than that of last_set_mode.
6260         * rtlanal.c (nonzero_bits1) <SUBREG>: If WORD_REGISTER_OPERATIONS is
6261         set and LOAD_EXTEND_OP is appropriate, propagate results from inner
6262         REGs to paradoxical SUBREGs.
6263         (num_sign_bit_copies1) <SUBREG>: Likewise.  Check that the mode is not
6264         larger than a word before invoking LOAD_EXTEND_OP on it.
6266 2016-11-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6268         PR target/78243
6269         * config/rs6000/vsx.md (vsx_extract_<mode>_p9): Correct the
6270         element order for little endian ordering.
6272         * config/rs6000/altivec.md (reduc_plus_scal_<mode>): Use
6273         VECTOR_ELT_ORDER_BIG and not BYTES_BIG_ENDIAN to adjust element
6274         number.
6276 2016-11-11  Uros Bizjak  <ubizjak@gmail.com>
6278         PR target/78310
6279         * config/i386/i386.md (rotate to rotatex splitter): Avoid overflow
6280         when calculating operand 2.
6281         (rotate to rotatex zext splitter): Ditto.
6283 2016-11-11  Jeff Law  <law@redhat.com>
6285         * gimple-ssa-isolate-paths.c (is_divmod_with_given_divisor): New
6286         function.
6287         (stmt_uses_name_in_undefined_way): New function, extracted from
6288         find_implicit_erroneous_behavior and extended for div/mod case.
6289         (stmt_uses_0_or_null_in_undefined_way): New function, extracted from
6290         find_explicit_erroneous_behavior and extended for div/mod case.
6291         (find_implicit_erroneous_behavior): Use new helper function.
6292         (find_explicit_erroneous_behavior): Use new helper function.
6294 2016-11-11  Richard Biener  <rguenther@suse.de>
6296         PR tree-optimization/71575
6297         * graphite-isl-ast-to-gimple.c (copy_cond_phi_nodes): Remove
6298         bogus assert.
6300 2016-11-11  Richard Biener  <rguenther@suse.de>
6302         PR middle-end/78295
6303         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
6304         about uninitialized destination arg of BIT_INSERT_EXPR.
6306 2016-11-10  Sandra Loosemore  <sandra@codesourcery.com>
6308         PR c/37998
6309         * doc/invoke.texi (Code Gen Options) [-fno-common]: Use correct
6310         terminology.  Expand to remove ambiguity.
6312 2016-11-10  Segher Boessenkool  <segher@kernel.crashing.org>
6314         PR rtl-optimization/78232
6315         * combine.c (try_combine): Add a big comment about why reusing i2dest
6316         is undesirable.
6317         (change_zero_ext): Do not call simplify_gen_binary, do the
6318         simplifications manually.
6320 2016-11-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
6322         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): If ISA 3.0,
6323         enable HImode and QImode to go in vector registers by default if
6324         the -mvsx-small-integer option is enabled.
6325         (rs6000_secondary_reload_simple_move): Likewise.
6326         (rs6000_preferred_reload_class): Don't force integer constants to
6327         be loaded into vector registers that we can easily make into
6328         memory (or being created in the GPRs and moved over with direct move).
6329         * config/rs6000/vsx.md (UNSPEC_P9_MEMORY): Delete, no longer used.
6330         (vsx_extract_<mode>): Rework V4SImode, V8HImode, and V16QImode
6331         vector extraction on ISA 3.0 when the scalar integer can be
6332         allocated in vector registers.  Generate the VEC_SELECT directy,
6333         and don't use UNSPEC's to avoid having the scalar type in a vector
6334         register.  Make the expander target registers, and let the
6335         combiner fold in results storing to memory, if the machine
6336         supports stores.
6337         (vsx_extract_<mode>_di): Likewise.
6338         (vsx_extract_<mode>_p9): Likewise.
6339         (vsx_extract_<mode>_di_p9): Likewise.
6340         (vsx_extract_<mode>_store_p9): Likewise.
6341         (vsx_extract_si): Likewise.
6342         (vsx_extract_<mode>_p8): Likewise.
6343         (p9_lxsi<wd>zx): Delete, no longer used.
6344         (p9_stxsi<wd>x): Likewise.
6345         * config/rs6000/rs6000.md (INT_ISA3): New mode iterator for
6346         integers in vector registers for ISA 3.0.
6347         (QHI): Update comment.
6348         (zero_extendqi<mode>2): Add support for ISA 3.0 scalar load or
6349         vector extract instructions in sign/zero extend.
6350         (zero_extendhi<mode>): Likewise.
6351         (extendqi<mode>): Likewise.
6352         (extendhi<mode>2): Likewise.
6353         (HImode splitter for load/sign extend in vector register): Likewise.
6354         (float<QHI:mode><FP_ISA3:mode>2): Eliminate old method of
6355         optimizing floating point conversions to/from small data types and
6356         rewrite it to support QImode/HImode being allowed in vector
6357         registers on ISA 3.0.
6358         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6359         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
6360         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6361         (fix_trunc<SFDF:mode><QHI:mode>2): Likewise.
6362         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6363         (fixuns_trunc<SFDF:mode><QHI:mode>2): Likewise.
6364         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6365         VSPLITISW on ISA 2.07.
6366         (movhi_internal): Combine movhi_internal and movqi_internal into
6367         one mov<mode>_internal with an iterator.  Add support for QImode
6368         and HImode being allowed in vector registers.  Make large number
6369         of attributes and constraints easier to read.
6370         (movqi_internal): Likewise.
6371         (mov<mode>_internal): Likewise.
6372         (movdi_internal64): Fix constraint to allow loading -16..15 with
6373         VSPLITISW on ISA 2.07.
6374         (integer XXSPLTIB splitter): Add support for QI, HI, and SImode as
6375         well as DImode.
6377 2016-11-10  Pat Haugen  <pthaugen@us.ibm.com>
6379         PR rtl-optimization/78241
6380         * loop-unroll.c (unroll_loop_runtime_iterations): Don't adjust 'niter',
6381         but emit initial peel copy if niter expr is not reliable.
6383 2016-11-10  Segher Boessenkool  <segher@kernel.crashing.org>
6385         * dwarf2cfi.c (dump_cfi_row): Add forward declaration.
6386         (maybe_record_trace_start): If the CFI is different on the new and
6387         old paths, print out both to the dump file before ICEing.
6389 2016-11-10  Vladimir Makarov  <vmakarov@redhat.com>
6391         * target.def (additional_allocno_class_p): New.
6392         * hooks.h (hook_bool_reg_class_t_false): New prototype.
6393         * hooks.c (hook_bool_reg_class_t_false): New.
6394         * ira.c (setup_allocno_and_important_classes): Use the new hook.
6395         * doc/tm.texi.in (TARGET_ADDITIONAL_ALLOCNO_CLASS_P): Add it.
6396         * doc/tm.texi: Update.
6398 2016-11-10  Jason Merrill  <jason@redhat.com>
6400         * gengtype.c (new_structure): Append to structures list.
6401         (find_structure): Likewise.
6403 2016-11-10  Jim Wilson  <jim.wilson@linaro.org>
6405         * tree-loop-distribution.c (pg_add_dependence_edges): Return 2 if
6406         this_dir is 2.  Check for this_dir non-zero before dir != this_dir
6407         check.
6409 2016-11-10  Jakub Jelinek  <jakub@redhat.com>
6411         * omp-low.c (lower_omp_target): Fix up argument to is_reference.
6412         (expand_omp_ordered_sink): Handle TREE_PURPOSE of deps being
6413         TRUNC_DIV_EXPR.
6414         * gimplify.c (gimplify_scan_omp_clauses): Likewise.  Set
6415         ctx->target_map_scalars_firstprivate on OMP_TARGET even for Fortran.
6416         Remove omp_no_lastprivate callers.  Propagate lastprivate on combined
6417         teams distribute parallel for simd even to distribute and teams
6418         construct.  For OMP_CLAUSE_DEPEND add missing break at the end of
6419         OMP_CLAUSE_DEPEND_SINK case.
6420         (omp_notice_variable): Use lang_hooks.decls.omp_scalar_p.
6421         (omp_no_lastprivate): Removed.
6422         (gimplify_adjust_omp_clauses): Remove omp_no_lastprivate callers.
6423         (gimplify_omp_for): Likewise.
6424         (computable_teams_clause): Fail for automatic vars from current
6425         function not yet seen in bind expr.
6426         * langhooks.c (lhd_omp_scalar_p): New function.
6427         * langhooks.h (struct lang_hooks_for_decls): Add omp_scalar_p.
6428         * varpool.c (varpool_node::get_create): Set node->offloading
6429         even for DECL_EXTERNAL decls.
6430         * langhooks-def.h (lhd_omp_scalar_p): New prototype.
6431         (LANG_HOOKS_OMP_SCALAR_P): Define.
6432         (LANG_HOOKS_DECLS): Use it.
6434 2016-11-10  Martin Liska  <mliska@suse.cz>
6436         PR sanitizer/78270
6437         * gimplify.c (gimplify_switch_expr): Create live_switch_vars
6438         only when SWITCH_BODY is a BIND_EXPR.
6440 2016-11-10  Pierre-Marie de Rodat  <derodat@adacore.com>
6442         PR debug/78112
6443         * dwarf2out.c (dwarf2out_early_global_decl): Call dwarf2out_decl
6444         on the context only when it has no DIE yet.
6446 2016-11-10  Richard Earnshaw  <rearnsha@arm.com>
6448         * arm.h (target_cpus): Delete.
6449         * arm-opts.h (enum processor_type): Prefix entires with TARGET_CPU_.
6450         * arm.c (all_cores): Prefix IDENT with TARGET_CPU_.
6451         (all_architectures): Likewise.
6452         (arm_option_override): Adjust use of CPU enums.
6453         (arm_sched_reorder): Likewise.
6454         * vfp.md (movdi_vfp, movdi_vfp_cortexa8): Likewise.
6455         * arm.opt (mcpu, mtune): Adjust use of CPU enums.
6456         * arm/genopt.sh (processor_type): Prefix enumeration entries with
6457         TARGET_CPU_.
6458         * arm-tables.opt: Regenerated.
6460 2016-11-10  Siddhesh Poyarekar  <siddhesh.poyarekar@linaro.org>
6462         * config/aarch64/aarch64-cores.def (qdf24xx): Update part number.
6463         (falkor): New core.
6464         * config/aarch64/aarch64-tune.md: Regenerated.
6465         * config/arm/arm-cores.def (falkor): New core.
6466         * config/arm/arm-tables.opt: Regenerated.
6467         * config/arm/arm-tune.md: Regenerated.
6468         * config/arm/bpabi.h (BE8_LINK_SPEC): Add falkor support.
6469         * config/arm/t-aprofile (MULTILIB_MATCHES): Likewise.
6470         * doc/invoke.texi (AArch64 Options/-mtune): Document it.
6471         (ARM Options/-mtune): Likewise.
6473 2016-11-10  Kugan Vivekanandarajah  <kuganv@linaro.org>
6475         Revert
6476         2016-11-09  Kugan Vivekanandarajah  <kuganv@linaro.org>
6478         * ipa-cp.c (ipa_get_jf_pass_through_result): Handle unary expressions.
6479         (propagate_vr_accross_jump_function): Likewise.
6480         * ipa-prop.c (ipa_set_jf_unary_pass_through): New.
6481         (load_from_param_1): New.
6482         (load_from_unmodified_param): Factor common part into load_from_param_1.
6483         (load_from_param): New.
6484         (compute_complex_assign_jump_func): Handle unary expressions.
6485         (ipa_write_jump_function): Likewise.
6486         (ipa_read_jump_function): Likewise.
6488 2016-11-09  Segher Boessenkool  <segher@kernel.crashing.org>
6490         * simplify-rtx.c (simplify_binary_operation_1): Simplify
6491         (xor (and (xor A B) C) B) to (ior (and A C) (and B ~C)) and
6492         (xor (and (xor A B) C) A) to (ior (and A ~C) (and B C)) if C
6493         is a const_int.
6495 2016-11-09  David Malcolm  <dmalcolm@redhat.com>
6497         * print-rtl-function.c: Include varasm.h.
6498         (print_any_param_name): New function.
6499         (print_param): New function.
6500         (print_rtx_function): Call print_param for each argument.
6501         * print-rtl.c (rtx_writer::finish_directive): New function.
6502         * print-rtl.h (rtx_writer::finish_directive): New decl.
6504 2016-11-09  Uros Bizjak  <ubizjak@gmail.com>
6506         PR target/78262
6507         * config/i386/i386.md (*<shift_insn><mode>3_doubleword): Mark
6508         operand 0 as earlyclobber.
6509         (*ashl<mode>3_doubleword): Ditto for all operand 0 alternatives.
6511 2016-11-09  Martin Liska  <mliska@suse.cz>
6513         * fold-const-call.c (fold_const_call): Fix up type of s0 and s1.
6515 2016-11-09  Jakub Jelinek  <jakub@redhat.com>
6517         PR target/77718
6518         * builtins.c (expand_builtin_memcmp): Formatting fix.
6520         * flag-types.h (enum sanitize_code): Add SANITIZE_SHIFT_BASE
6521         and SANITIZE_SHIFT_EXPONENT, change SANITIZE_SHIFT to bitwise
6522         or of them, renumber other enumerators.
6523         * opts.c (sanitizer_opts): Add shift-base and shift-exponent.
6524         * doc/invoke.texi: Document -fsanitize=shift-base and
6525         -fsanitize-shift-exponent, document -fsanitize=shift as
6526         having those 2 suboptions.
6528 2016-11-09  Richard Biener  <rguenther@suse.de>
6530         * fold-const.c (tree_swap_operands_p): Remove unused arg.
6531         * fold-const.c (tree_swap_operands_p): Likewise.
6532         (fold_binary_loc): Adjust.
6533         (fold_ternary_loc): Likewise.
6534         * genmatch.c (dt_operand::gen_gimple_exp): Likewise.
6535         * gimple-fold.c (fold_stmt_1): Likewise.
6536         * gimple-match-head.c (gimple_resimplify2): Likewise.
6537         (gimple_resimplify3): Likewise.
6538         (gimple_simplify): Likewise.
6539         * tree-ssa-dom.c (record_equality): Likewise.
6540         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Likewise.
6541         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
6542         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): Likewise.
6544 2016-11-09  Richard Biener  <rguenther@suse.de>
6546         * tree-ssa-dom.c (canonicalize_comparison): Remove.
6547         (optimize_stmt): Remove redundant pre-propagation canonicalization
6548         of comparison operand order.
6550 2016-11-09  Martin Liska  <mliska@suse.cz>
6552         * fold-const-call.c (fold_const_call): Fix the folding.
6554 2016-11-09  Richard Biener  <rguenther@suse.de>
6556         * common.opt (flag_evaluation_order): Remove.
6557         * expr.c (expand_operands): Remove code guarded by
6558         flag_evaluation_order.
6559         * fold-const.c (reorder_operands_p): Remove, it always returns
6560         true.
6561         (negate_expr_p): Remove calls to reorder_operands_p.
6562         (fold_negate_expr): Likewise.
6563         (tree_swap_operands_p): Likewise.
6564         (fold_binary_loc): Likewise.
6566 2016-11-09  Andreas Schwab  <schwab@suse.de>
6568         PR target/78254
6569         * config/m68k/m68k.md: Reject out-of-range bit pos in bit-fields
6570         insns operating on a register.
6572 2016-11-09  Richard Biener  <rguenther@suse.de>
6574         PR tree-optimization/78007
6575         * tree-vect-stmts.c (vectorizable_bswap): New function.
6576         (vectorizable_call): Call vectorizable_bswap for
6577         BUILT_IN_BSWAP{16,32,64} if arguments are not promoted.
6579 2016-11-09  Richard Biener  <rguenther@suse.de>
6581         * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
6582         Look at the DR_BASE_ADDRESS object for forcing alignment.
6584 2016-11-09  Kugan Vivekanandarajah  <kuganv@linaro.org>
6586         * ipa-cp.c (ipa_get_jf_pass_through_result): Handle unary expressions.
6587         (propagate_vr_accross_jump_function): Likewise.
6588         * ipa-prop.c (ipa_set_jf_unary_pass_through): New.
6589         (load_from_param_1): New.
6590         (load_from_unmodified_param): Factor common part into load_from_param_1.
6591         (load_from_param): New.
6592         (compute_complex_assign_jump_func): Handle unary expressions.
6593         (ipa_write_jump_function): Likewise.
6594         (ipa_read_jump_function): Likewise.
6596 2016-11-09  Kugan Vivekanandarajah  <kuganv@linaro.org>
6598         PR ipa/78121
6599         * ipa-cp.c (propagate_vr_accross_jump_function): Pass param type.
6600         Also fold constant passed as argument while computing value range.
6601         (propagate_constants_accross_call): Pass param type.
6602         * ipa-prop.c: export ipa_get_callee_param_type.
6603         * ipa-prop.h: export ipa_get_callee_param_type.
6605 2016-11-09  Maxim Ostapenko  <m.ostapenko@samsung.com>
6607         * asan.h (asan_intercepted_p): Handle BUILT_IN_STRCSPN,
6608         BUILT_IN_STRPBRK, BUILT_IN_STRSPN and BUILT_IN_STRSTR.
6610 2016-11-09  Maxim Ostapenko  <m.ostapenko@samsung.com>
6612         * asan.h (ASAN_STACK_MAGIC_PARTIAL): Remove.
6613         * asan.c (ASAN_STACK_MAGIC_PARTIAL): Replace with
6614         ASAN_STACK_MAGIC_MIDDLE.
6615         (asan_global_struct): Increase the size of fields.
6616         (asan_add_global): Add new field constructor.
6617         * sanitizer.def (__asan_version_mismatch_check_v6): Replace with
6618         __asan_version_mismatch_check_v8.
6620 2016-11-08  David Edelsohn  <dje.gcc@gmail.com>
6622         * dwarf2asm.c (USE_LINKONCE_INDIRECT): Test XCOFF_DEBUGGING_INFO
6623         at runtime.
6625 2016-11-08  Uros Bizjak  <ubizjak@gmail.com>
6627         PR target/70799
6628         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
6629         Handle ASHIFT and LSHIFTRT.
6630         (dimode_scalar_chain::compute_convert_gain): Ditto.
6631         (dimode_scalar_chain::convert_insn): Ditto.
6633 2016-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6635         * gimple-ssa-store-merging.c: Include selftest.h
6636         (verify_array_eq): New function.
6637         (verify_shift_bytes_in_array): Likewise.
6638         (verify_shift_bytes_in_array_right): Likewise.
6639         (verify_clear_bit_region): Likewise.
6640         (verify_clear_bit_region_be): Likewise.
6641         (store_merging_c_tests): Likewise.
6642         * selftest.h (store_merging_c_tests): Declare prototype.
6643         * selftest-run-tests.c (selftest::run_tests): Run
6644         store_merging_c_tests.
6646 2016-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6648         * config/arm/arm.opt (mold-rtx-costs): Delete.
6649         (mnew-generic-costs): Delete.
6650         * config/arm/arm-protos.h (struct tune_params): Delete rtx_costs field.
6651         * config/arm/arm.c (arm_rtx_costs_1): Delete.
6652         (arm_size_rtx_costs): Likewise.
6653         (arm_slowmul_rtx_costs): Likewise.
6654         (arm_fastmul_rtx_costs): Likewise.
6655         (arm_xscale_rtx_costs): Likewise.
6656         (arm_9e_rtx_costs): Likewise.
6657         (arm_slowmul_tune, arm_fastmul_tune, arm_strongarm_tune,
6658         arm_xscale_tune, arm_9e_tune, arm_v6t2_tune, arm_cortex_tune,
6659         arm_cortex_a8_tune, arm_cortex_a7_tune, arm_cortex_a15_tune,
6660         arm_cortex_a53_tune, arm_cortex_a57_tune, arm_cortex_a9_tune,
6661         arm_cortex_a12_tune, arm_v7m_tune, arm_v6m_tune, arm_fa726te_tune
6662         arm_cortex_a5_tune, arm_xgene1_tune, arm_marvell_pj4_tune,
6663         arm_cortex_a35_tune, arm_exynosm1_tune, arm_cortex_a73_tune,
6664         arm_cortex_m7_tune):
6665         Delete rtx_costs field.
6666         (arm_new_rtx_costs): Rename to...
6667         (arm_rtx_costs_internal): ... This.
6668         (arm_rtx_costs): Remove old way of doing rtx costs.
6670 2016-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6672         * config/arm/arm.c (arm_slowmul_tune): Use generic_extra_costs.
6673         (arm_fastmul_tune): Likewise.
6674         (arm_strongarm_tune): Likewise.
6675         (arm_xscale_tune): Likewise.
6676         (arm_9e_tune): Likewise.
6677         (arm_marvell_pj4_tune): Likewise.
6678         (arm_v6t2_tune): Likewise.
6679         (arm_v6m_tune): Likewise.
6680         (arm_fa726te_tune): Likewise.
6682 2016-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6684         PR tree-optimization/78234
6685         * gimple-ssa-store-merging.c (clear_bit_region): Fix off-by-one error
6686         in start != 0 case.
6688 2016-11-08  Martin Liska  <mliska@suse.cz>
6690         PR testsuite/78242
6691         * dbgcnt.def: Add new debug counter asan_use_after_scope.
6692         * gimplify.c (gimplify_decl_expr): Do not sanitize vars
6693         with a value expr.  Do not add artificial variables to
6694         live_switch_vars.  Use the debug counter.
6695         (gimplify_target_expr): Use the debug counter.
6696         * internal-fn.def: Remove ECF_TM_PURE from ASAN_MARK builtin.
6697         * sanitizer.def: Set ATTR_NOTHROW_LEAF_LIST to
6698         BUILT_IN_ASAN_CLOBBER_N and BUILT_IN_ASAN_UNCLOBBER_N.
6700 2016-11-08  Richard Biener  <rguenther@suse.de>
6702         * tree-vect-stmts.c (get_group_load_store_type): If the
6703         access is aligned do not trigger peeling for gaps.
6704         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Do not
6705         force alignment of vars with DECL_USER_ALIGN.
6707 2016-11-08  James Greenhalgh  <james.greenhalgh@arm.com>
6709         * config/aarch64/t-aarch64 (aarch64-c.o): Depend on TARGET_H.
6711 2016-11-08  Richard Biener  <rguenther@suse.de>
6713         PR tree-optimization/78205
6714         * tree-vect-stmts.c (vectorizable_load): Move check whether
6715         we may run into gaps when BB vectorizing SLP permutations ...
6716         * tree-vect-slp.c (vect_supported_load_permutation_p): ...
6717         here where we can do a more precise check.
6719 2016-11-08  Richard Biener  <rguenther@suse.de>
6721         PR tree-optimization/78224
6722         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
6723         Split the fallthru edge in case its successor may have PHIs.
6724         Do not free dominance info.
6726 2016-11-07  Jakub Jelinek  <jakub@redhat.com>
6728         PR target/78229
6729         * config/i386/i386.c (ix86_gimple_fold_builtin): Do not adjust
6730         EH info even for bzhi and pdep/pext.
6732 2016-11-07  Peter Bergner  <bergner@vnet.ibm.com>
6734         * config.gcc (powerpc*-*-*, rs6000*-*-*): Remove setting of
6735         INCLUDE_EXTRA_SPEC for Advance Toolchain builds.
6737 2016-11-07  Segher Boessenkool  <segher@kernel.crashing.org>
6739         * config/rs6000/rs6000.md (div<mode>3): Expand using rs6000_emit_swdiv
6740         if appropriate.
6741         * config/rs6000/vector.md (div<mode>3): Ditto.
6743 2016-11-07  David Edelsohn  <dje.gcc@gmail.com>
6745         * configure.ac (.hidden): Change to conftest_s string. Provide string
6746         for AIX assembler.
6747         (gcc_cv_ld_hidden): Yes for AIX.
6748         * configure: Regenerate.
6750         * dwarf2asm.c (USE_LINKONCE_INDIRECT): Don't set for AIX (XCOFF).
6752         * config/rs6000/rs6000-protos.h (rs6000_asm_weaken_decl): Declare
6753         (rs6000_xcoff_asm_output_aligned_decl_common): Declare.
6754         * config/rs6000/xcoff.h (TARGET_ASM_GLOBALIZE_DECL_NAME): Define.
6755         (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
6756         (ASM_OUTPUT_ALIGNED_COMMON): Delete.
6757         * config/rs6000/rs6000.c (rs6000_init_builtins): Change clog rename
6758         from #if to if.
6759         (rs6000_xcoff_visibility): New.
6760         (rs6000_xcoff_declare_function_name): Add visibility support.
6761         (rs6000_xcoff_asm_globalize_decl_name): New.
6762         (rs6000_xcoff_asm_output_aligned_decl_common): New.
6763         (rs6000_asm_weaken_decl): New.
6764         (rs6000_code_end): Disable HIDDEN_LINKONCE on XCOFF.
6765         config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Change definition to
6766         reference function.
6768 2016-11-07  Jack Howarth  <howarth.at.gcc@gmail.com>
6770         PR driver/78206
6771         * incpath.c (remove_dup): Also silently ignore EPERM.
6773 2016-11-07  Martin Jambor  <mjambor@suse.cz>
6775         * tree.c (verify_type_variant): Use pointer comparison to check that
6776         TYPE_SIZE_UNIT match.
6778 2016-11-07  Jakub Jelinek  <jakub@redhat.com>
6780         PR target/77834
6781         * dse.c (dse_step5): Call scan_reads even if just
6782         insn_info->frame_read.  Improve and fix dump file messages.
6784         PR target/78227
6785         * config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
6786         cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.
6788 2016-11-07  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6790         PR middle-end/35691
6791         * match.pd: Add following two patterns:
6792         (x == 0 & y == 0) -> (x | typeof(x)(y)) == 0.
6793         (x != 0 | y != 0) -> (x | typeof(x)(y)) != 0.
6795 2016-11-07  Bernd Schmidt  <bschmidt@redhat.com>
6797         * emit-rtl.c (emit_copy_of_insn_after): Duplicate notes in order.
6798         * sel-sched-ir.c (create_copy_of_insn_rtx): Likewise.
6799         * rtl.h (duplicate_reg_notes): Declare.
6800         * rtlanal.c (duplicate_reg_note): New function.
6802         PR rtl-optimization/77309
6803         * combine.c (make_compound_operation): Allow EQ for IN_CODE, and
6804         don't assume an equality comparison for plain COMPARE.
6805         (simplify_comparison): Pass a more accurate code to
6806         make_compound_operation.
6808 2016-11-07  Pat Haugen  <pthaugen@us.ibm.com>
6810         * target.def (compute_pressure_classes): New target hook.
6811         * doc/tm.texi.in: Document it.
6812         * doc/tm.texi: Regenerate.
6813         * ira.c (setup_pressure_classes): Call target hook if defined.
6815 2016-11-07  David Malcolm  <dmalcolm@redhat.com>
6817         * print-rtl.c (rtx_writer::operand_has_default_value_p): New
6818         method.
6819         (rtx_writer::print_rtx): In compact mode, omit trailing operands
6820         that have the default values.
6821         * print-rtl.h (rtx_writer::operand_has_default_value_p): New
6822         method.
6823         * rtl-tests.c (selftest::test_dumping_insns): Remove empty
6824         label string from expected dump.
6825         (seltest::test_uncond_jump): Remove trailing "(nil)" for REG_NOTES
6826         from expected dump.
6828 2016-11-07  Jakub Jelinek  <jakub@redhat.com>
6830         PR target/77834
6831         * alias.c (nonoverlapping_memrefs_p): If one decl is
6832         FUNCTION_DECL or LABEL_DECL and the other is not, return 1.
6834 2016-11-07  Richard Biener  <rguenther@suse.de>
6836         PR target/78229
6837         * config/i386/i386.c (ix86_gimple_fold_builtin): Do not adjust
6838         EH info.
6840 2016-11-07  Richard Biener  <rguenther@suse.de>
6842         PR tree-optimization/78218
6843         * gimple-ssa-store-merging.c
6844         (pass_store_merging::terminate_all_aliasing_chains):
6845         Drop unused argument, fix alias check to also consider uses.
6846         (pass_store_merging::execute): Adjust.
6848 2016-11-07  Richard Biener  <rguenther@suse.de>
6850         PR tree-optimization/78228
6851         * tree-ssa-phiopt.c (abs_replacement): Avoid introducing
6852         undefined behavior.
6854 2016-11-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6856         PR target/77822
6857         * config/aarch64/aarch64.md (*tb<optab><mode>1): Use
6858         aarch64_simd_shift_imm_<mode> predicate for operand 1.
6859         (<optab>, ANY_EXTRACT): Use tighter predicates on operands 2 and 3
6860         to restrict them to an appropriate range and add FAIL check if the
6861         region they specify is out of range.  Delete useless constraint
6862         strings.
6863         (*<optab><mode>, ANY_EXTRACT): Add appropriate predicates on operands
6864         2 and 3 to restrict their range and add pattern predicate.
6866 2016-11-07  Martin Liska  <mliska@suse.cz>
6868         * asan.c (enum asan_check_flags): Move the enum to header file.
6869         (asan_init_shadow_ptr_types): Make type creation more generic.
6870         (shadow_mem_size): New function.
6871         (asan_emit_stack_protection): Use newly added ASAN_SHADOW_GRANULARITY.
6872         Rewritten stack unpoisoning code.
6873         (build_shadow_mem_access): Add new argument return_address.
6874         (instrument_derefs): Instrument local variables if use after scope
6875         sanitization is enabled.
6876         (asan_store_shadow_bytes): New function.
6877         (asan_expand_mark_ifn): Likewise.
6878         (asan_sanitize_stack_p): Moved from asan_sanitize_stack_p.
6879         * asan.h (enum asan_mark_flags): Moved here from asan.c
6880         (asan_protect_stack_decl): Protect all declaration that need
6881         to live in memory.
6882         (asan_sanitize_use_after_scope): New function.
6883         (asan_no_sanitize_address_p): Likewise.
6884         * cfgexpand.c (partition_stack_vars): Consider
6885         asan_sanitize_use_after_scope in condition.
6886         (expand_stack_vars): Likewise.
6887         * common.opt (-fsanitize-address-use-after-scope): New option.
6888         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
6889         Explain the parameter.
6890         * flag-types.h (enum sanitize_code): Define SANITIZE_USE_AFTER_SCOPE.
6891         * gimplify.c (build_asan_poison_call_expr): New function.
6892         (asan_poison_variable): Likewise.
6893         (gimplify_bind_expr): Generate poisoning/unpoisoning for local
6894         variables that have address taken.
6895         (gimplify_decl_expr): Likewise.
6896         (gimplify_target_expr): Likewise for C++ temporaries.
6897         (sort_by_decl_uid): New function.
6898         (gimplify_expr): Unpoison all variables for a label we can jump
6899         from outside of a scope.
6900         (gimplify_switch_expr): Unpoison variables defined in the switch
6901         context.
6902         (gimplify_function_tree): Clear asan_poisoned_variables.
6903         (asan_poison_variables): New function.
6904         (warn_switch_unreachable_r): Handle IFN_ASAN_MARK.
6905         * internal-fn.c (expand_ASAN_MARK): New function.
6906         * internal-fn.def (ASAN_MARK): Declare.
6907         * opts.c (finish_options): Handle -fstack-reuse if
6908         -fsanitize-address-use-after-scope is enabled.
6909         (common_handle_option): Enable address sanitization if
6910         -fsanitize-address-use-after-scope is enabled.
6911         * params.def (PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD):
6912         New parameter.
6913         * params.h: Likewise.
6914         * sancov.c (pass_sanopt::execute): Handle IFN_ASAN_MARK.
6915         * sanitizer.def: Define __asan_poison_stack_memory and
6916         __asan_unpoison_stack_memory functions.
6917         * asan.c (asan_mark_poison_p): New function.
6918         (transform_statements): Handle asan_mark_poison_p calls.
6919         * gimple.c (nonfreeing_call_p): Handle IFN_ASAN_MARK.
6921 2016-11-07  Tamar Christina  <tamar.christina@arm.com>
6923         PR driver/78196
6924         * Makefile.in (SELFTEST_FLAGS): Added -o /dev/null.
6926 2016-11-07  Martin Liska  <mliska@suse.cz>
6928         * tree-profile.c (gimple_gen_time_profiler): Set proper type
6929         to time_profiler_counter_ptr.
6931 2016-11-07  Richard Biener  <rguenther@suse.de>
6933         PR tree-optimization/37150
6934         * tree-vectorizer.h (vect_transform_slp_perm_load): Add n_perms
6935         parameter.
6936         * tree-vect-slp.c (vect_supported_load_permutation_p): Adjust.
6937         (vect_analyze_slp_cost_1): Account for the real number of
6938         permutations emitted and for dead loads.
6939         (vect_transform_slp_perm_load): Add n_perms parameter counting
6940         the number of emitted permutations.
6941         * tree-vect-stmts.c (vectorizable_load): Adjust.
6943 2016-11-07  Richard Biener  <rguenther@suse.de>
6945         PR tree-optimization/78189
6946         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Fix
6947         alignment computation.
6949 2016-11-06  Kugan Vivekanandarajah  <kuganv@linaro.org>
6951         * ipa-cp.c (ipcp_bits_lattice::meet_with): Remove unreachable code.
6953 2016-11-05  Martin Sebor  <msebor@redhat.com>
6955         * doc/invoke.texi (Warning Options): Correct typos in -Walloca
6956         documentation.
6958 2016-11-05  David Edelsohn  <dje.gcc@gmail.com>
6960         PR bootstrap/78188
6961         PR c++/71848
6962         * ipa-comdats.c (pass_ipa_comdats::gate): Require HAVE_COMDAT_GROUP.
6964 2016-11-04  Jakub Jelinek  <jakub@redhat.com>
6966         PR target/77834
6967         * alias.c (nonoverlapping_memrefs_p): Return 0 if exprx or expry
6968         doesn't have rtl set.
6970 2016-11-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6972         * config/rs6000/rs6000.c (gimple-ssa.h): New #include.
6973         (TARGET_GIMPLE_FOLD_BUILTIN): Define as
6974         rs6000_gimple_fold_builtin.
6975         (rs6000_gimple_fold_builtin): New function.  Add handling for
6976         early expansion of vector addition builtins.
6978 2016-11-04  Eric Botcazou  <ebotcazou@adacore.com>
6980         * expr.h (copy_blkmode_from_reg): Delete.
6981         * expr.c (copy_blkmode_from_reg): Make static.
6983 2016-11-04  Eric Botcazou  <ebotcazou@adacore.com>
6985         * defaults.h (LOAD_EXTEND_OP): Define if not already defined.
6986         * combine.c (LOAD_EXTEND_OP): Delete.
6987         (simplify_comparison): Fix comment about LOAD_EXTEND_OP.
6988         * cse.c (LOAD_EXTEND_OP): Delete.
6989         * fold-const.c (LOAD_EXTEND_OP): Likewise.
6990         * fwprop.c (free_load_extend): Remove #ifdef LOAD_EXTEND_OP/#endif.
6991         * postreload.c (LOAD_EXTEND_OP): Delete.
6992         * reload.c (push_reload): Remove #ifdef LOAD_EXTEND_OP/#endif.
6993         Convert conditional compilation based on WORD_REGISTER_OPERATIONS.
6994         (find_reloads): Likewise.
6995         * reload1.c (eliminate_regs_1): Likewise.
6996         * rtlanal.c (nonzero_bits1): Remove #ifdef LOAD_EXTEND_OP/#endif.
6997         (num_sign_bit_copies1): Likewise.
6999 2016-11-04  David Malcolm  <dmalcolm@redhat.com>
7001         * config/i386/i386.c: Include "selftest.h" and "selftest-rtl.h".
7002         (selftest::ix86_test_dumping_hard_regs): New function.
7003         (selftest::ix86_run_selftests): New function.
7004         (TARGET_RUN_TARGET_SELFTESTS): When CHECKING_P, wire this up to
7005         selftest::ix86_run_selftests.
7006         * doc/tm.texi.in (TARGET_RUN_TARGET_SELFTESTS): New.
7007         * doc/tm.texi: Regenerate
7008         * selftest-rtl.h: New file.
7009         * rtl-tests.c: Include "selftest-rtl.h".
7010         (selftest::assert_rtl_dump_eq): Make non-static.
7011         (ASSERT_RTL_DUMP_EQ): Move to selftest-rtl.h.
7012         (selftest::test_dumping_regs): Update comment.
7013         * selftest-run-tests.c: Include "target.h".
7014         (selftest::run_tests): If non-NULL, call
7015         targetm.run_target_selftests.
7016         * target.def (run_target_selftests): New hook.
7018 2016-11-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7020         * config/arm/arm-arches.def (armv8-m.main+dsp): Set Cortex-M33 as
7021         representative core for this architecture.
7022         * config/arm/arm-cores.def (cortex-m33): Define new processor.
7023         * config/arm/arm-tables.opt: Regenerate.
7024         * config/arm/arm-tune.md: Likewise.
7025         * config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex-M33 to the list of
7026         valid -mcpu options.
7027         * doc/invoke.texi (ARM Options): Document new Cortex-M33 processor.
7029 2016-11-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7031         * config/arm/arm-arches.def (armv8-m.base): Set Cortex-M23 as
7032         representative core for this architecture.
7033         * config/arm/arm-cores.def (cortex-m23): Define new processor.
7034         * config/arm/arm-tables.opt: Regenerate.
7035         * config/arm/arm-tune.md: Likewise.
7036         * config/arm/arm.c (arm_v6m_tune): Add Cortex-M23 to the list of cores
7037         this tuning parameters apply to in the comment.
7038         * config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex-M23 to the list of
7039         valid -mcpu options.
7040         * doc/invoke.texi (ARM Options): Document new Cortex-M23 processor.
7042 2016-11-04  Bin Cheng  <bin.cheng@arm.com>
7044         * fold-const.c (fold_cond_expr_with_comparison): Remove call
7045         to pedantic_non_lvalue_loc.  Remove useless code for lvalue
7046         where cond_expr can't be a lvalue.
7048 2016-11-04  Claudiu Zissulescu  <claziss@synopsys.com>
7050         * config/arc/arc.c (arc_process_double_reg_moves): Use
7051         gen_dexcl_2op call.
7052         * config/arc/arc.md (movsi_insn): Disable unsupported move
7053         instructions for ARCv2 cores.
7054         (movdi): Use prepare_move_operands.
7055         (movsf, movdf): Use move_dest_operand predicate.
7056         * config/arc/constraints.md (Chs): Enable when barrel shifter is
7057         present.
7058         * config/arc/fpu.md (divsf3): Change to divsf3_fpu.
7059         * config/arc/fpx.md (dexcl_3op_peep2_insn): Dx data register is
7060         also a destination.
7061         (dexcl_3op_peep2_insn_nores): Likewise.
7062         * config/arc/arc.h (SHIFT_COUNT_TRUNCATED): Define to one.
7063         (LINK_COMMAND_SPEC): Remove.
7065 2016-11-04  Richard Biener  <rguenther@suse.de>
7067         PR middle-end/78185
7068         * loop-invariant.c (find_exits): Record entering inner
7069         loops as possibly exiting to handle infinite sub-loops.
7070         * tree-ssa-loop-im.c: Include tree-ssa-loop-niter.h.
7071         (fill_always_executed_in_1): Honor infinite child loops.
7073 2016-11-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
7075         PR target/78192
7076         * config/rs6000/vsx.md (vsx_extract_<mode>_di): The element number
7077         has already been adjusted for endianness, so don't adjust it any
7078         further.
7080         PR target/77993
7081         * config/rs6000/rs6000.h (FLOAT128_IBM_P): Do not allow IFmode or
7082         ICmode unless we have standard PowerPC floating point.
7083         * config/rs6000/rs6000.md (FP iterator): Likewise.
7084         (FMOVE128 iterator): Likewise.
7086 2016-11-03  Jakub Jelinek  <jakub@redhat.com>
7087             Alexandre Oliva  <aoliva@redhat.com>
7088             Jason Merrill  <jason@redhat.com>
7090         PR debug/28767
7091         PR debug/56974
7092         * langhooks.h (struct lang_hooks_for_types): Add type_dwarf_attribute
7093         langhook.
7094         * langhooks.c (lhd_type_dwarf_attribute): New function.
7095         * langhooks-def.h (lhd_type_dwarf_attribute): Declare.
7096         (LANG_HOOKS_TYPE_DWARF_ATTRIBUTE): Define.
7097         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add
7098         LANG_HOOKS_TYPE_DWARF_ATTRIBUTE.
7099         (check_qualified_type, check_aligned_type): Call it.
7100         * dwarf2out.c (modified_type_die): Don't use type_main_variant
7101         for FUNCTION_TYPE or METHOD_TYPE, instead walk over variants with
7102         check_base_type and check_lang_type.
7103         (gen_ptr_to_mbr_type_die): If lookup_type_die is already non-NULL,
7104         return early.  For pointer-to-data-member add DW_AT_use_location
7105         attribute.
7106         (gen_subroutine_type_die): Add DW_AT_{,rvalue_}reference attribute
7107         if needed.
7108         (gen_type_die_with_usage): Don't use type_main_variant
7109         for FUNCTION_TYPE or METHOD_TYPE, instead walk over variants with
7110         check_base_type and check_lang_type.  Formatting fixes. Call
7111         get_debug_type langhook.
7113 2016-11-03  Jason Merrill  <jason@redhat.com>
7115         * tree.c (check_lang_type): New.
7116         (check_qualified_type): Use it.
7117         (check_aligned_type): Use it.
7118         * tree.h: Declare it.
7120 2016-11-03  Richard Earnshaw  <rearnsha@arm.com>
7122         * config.gcc (arm-wrs-vxworks): Set target_cpu_cname.
7123         (arm*-freebsd*): Likewise.
7124         (arm*-*-netbsdelf*): Likewise.
7125         (arm*-*-linux*): Likewise.
7126         (arm*-*-uclinux*eabi*): Likewise.
7127         (arm*-*-phoenix*): Likewise.
7128         (arm*-*-eabi*, arm*-*-symbianelf*, arm*-*-rtems*): Likewise.
7129         (arm*-*-*): Don't clobber target_cpu_cname when --with-cpu is not
7130         specified.  Default to arm6 if target_cpu_cname is not set.
7131         * arm/arm.c (arm_option_override): Simplify logic.  Assert that the
7132         default cpu has been correctly configured.
7133         * arm/arm.h (TARGET_CPU_DEFAULT): Delete.
7134         (target_cpus): Delete TARGET_CPU_generic, add TARGET_CPU_num_cores.
7135         * arm/freebsd.h (SUBTARGET_CPU_DEFAULT): Delete.
7136         * arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Delete.
7137         * arm/linux-elf.h (SUBTARGET_CPU_DEFAULT): Delete.
7138         * arm/symbian.h (SUBTARGET_CPU_DEFAULT): Delete.
7139         * arm/unknown-elf.h (SUBTARGET_CPU_DEFAULT): Delete.
7141 2016-11-03  Jiong Wang  <jiong.wang@arm.com>
7143         * reg-notes.def (CFA_VAL_EXPRESSION): New entry.
7144         * dwarf2cfi.c (dwarf2out_frame_debug_cfa_val_expression): New function.
7145         (dwarf2out_frame_debug): Support REG_CFA_VAL_EXPRESSION.
7146         (output_cfa_loc): Support DW_CFA_val_expression.
7147         (output_cfa_loc_raw): Likewise.
7148         (output_cfi): Likewise.
7149         (output_cfi_directive): Likewise.
7150         * dwarf2out.c (dw_cfi_oprnd1_desc): Support DW_CFA_val_expression.
7151         (dw_cfi_oprnd2_desc): Likewise.
7152         (mem_loc_descriptor): Recognize new pattern generated for value
7153         expression.
7155 2016-11-03  Segher Boessenkool  <segher@kernel.crashing.org>
7157         PR rtl-optimization/78186
7158         * combine.c (change_zero_ext): Mask the RHS of a zero_extract as
7159         well, when converting to IOR.
7161 2016-11-03  Eric Botcazou  <ebotcazou@adacore.com>
7163         * config/sparc/sparc.md (vec_interleave_lowv8qi): Delete.
7164         (vec_interleave_highv8qi): Likewise.
7166 2016-11-03  Martin Liska  <mliska@suse.cz>
7168         * profile.c (instrument_values): Fix coding style.
7169         (branch_prob): Use renamed function.
7170         * tree-profile.c (init_ic_make_global_vars): Likewise.
7171         (gimple_init_edge_profiler): Rename to
7172         gimple_init_gcov_profiler.
7173         tree_time_profiler_counter variable declaration.
7174         (gimple_gen_time_profiler): Rewrite to do a direct gimple code
7175         emission.
7176         * value-prof.h: Remove an argument.
7178 2016-11-03  Richard Biener  <rguenther@suse.de>
7180         * config/rs6000/rs6000.c (rs6000_xcoff_declare_object_name): Use
7181         symtab_node::get_create.
7183 2016-11-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7185         * rtlanal.c (nonzero_bits1): Fix WORD_REGISTER_OPERATIONS condition.
7186         Move comments into more natural position.
7188 2016-11-03  Vineet Gupta  <vgupta@synopsys.com>
7190         * config/arc/arc.h (SIZE_TYPE): Define as unsigned int.
7191         (PTRDIFF_TYPE): Define as int.
7193 2016-11-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7195         * ccmp.c (expand_ccmp_expr_1): Adjust.
7196         (expand_ccmp_expr): Likewise.
7197         (expand_ccmp_next): Likewise.
7198         * config/aarch64/aarch64.c (aarch64_gen_ccmp_next): Likewise.
7199         (aarch64_gen_ccmp_first): Likewise.
7200         * doc/tm.texi: Regenerate.
7201         * target.def (gen_ccmp_first): Change argument types to rtx_insn *.
7202         (gen_ccmp_next): Likewise.
7204 2016-11-03  Bin Cheng  <bin.cheng@arm.com>
7206         * tree-vect-loop.c (destroy_loop_vec_info): Handle cond_expr.
7207         (vect_is_simple_reduction): Swap cond_reduction by inversion.
7209 2016-11-02  Uros Bizjak  <ubizjak@gmail.com>
7211         * config/i386/i386.c (ix86_init_libfuncs): New.  Call
7212         darwin_rename_builtins here.
7213         (ix86_expand_divmod_libfunc): New.
7214         (TARGET_INIT_LIBFUNCS): Unconditionally define to ix86_init_libfuncs.
7215         (TARGET_EXPAND_DIVMOD_LIBFUNC): Define.
7217 2016-11-02  Cesar Philippidis  <cesar@codesourcery.com>
7218             Nathan Sidwell  <nathan@acm.org>
7220         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): Set to zero.
7222 2016-11-02  Max Filippov  <jcmvbkbc@gmail.com>
7224         * config/xtensa/xtensa.c (xtensa_output_integer_literal_parts):
7225         New function.
7226         (xtensa_output_literal): Use xtensa_output_integer_literal_parts
7227         to format MODE_INT and MODE_PARTIAL_INT literals.
7229 2016-11-02  Segher Boessenkool  <segher@kernel.crashing.org>
7231         PR target/78168
7232         * config/r6000/rs6000.c (rs6000_get_separate_components): Return
7233         NULL if TARGET_SPE_ABI.
7235 2016-11-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7237         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Don't forget to
7238         clear padding bits even when they're less than a byte.
7240 2016-11-02  Richard Biener  <rguenther@suse.de>
7242         * gimple-ssa-store-merging.c: Include gimplify-me.h.
7243         (imm_store_chain_info::output_merged_stores): Force base_addr
7244         to be proper GIMPLE for a MEM_REF address.
7245         (pass_store_merging::execute): Restrict negative bitpos
7246         handling to non-MEM_REF bases.  Remove TREE_THIS_VOLATILE
7247         check.  Take into account non-NULL_TREE offset if the base
7248         is already addressable.
7250 2016-11-26  Wilco Dijkstra  <wdijkstr@arm.com>
7252         * config/aarch64/aarch64-simd.md (aarch64_crypto_sha1hv4si):
7253         New pattern.
7254         (aarch64_be_crypto_sha1hv4si): New pattern.
7256 2016-11-02  Wilco Dijkstra  <wdijkstr@arm.com>
7258         * config/aarch64/aarch64.md (add<mode>3): Remove
7259         redundant code.  Don't split frame based additions.
7261 2016-11-02  Richard Biener  <rguenther@suse.de>
7263         * gimple-ssa-store-merging.c (struct store_immediate_info): Remove
7264         redundant val and dest members.
7265         (store_immediate_info::store_immediate_info): Adjust.
7266         (merged_store_group::merged_store_group): Adjust.
7267         (merged_store_group::apply_stores): Likewise.
7268         (struct imm_store_chain_info): Add base_addr field.
7269         (imm_store_chain_info::imm_store_chain_info): New constructor.
7270         (imm_store_chain_info::terminate_and_process_chain): Do not pass base.
7271         (imm_store_chain_info::output_merged_store): Likewise.  Use
7272         addr_base which is already the address.
7273         (imm_store_chain_info::output_merged_stores): Likewise.
7274         (pass_tree_store_merging::terminate_all_aliasing_chains): Take
7275         imm_store_chain_info instead of base.  Fix alias check.
7276         (pass_tree_store_merging::terminate_and_release_chain): Likewise.
7277         (imm_store_chain_info::coalesce_immediate_stores): Adjust.
7278         (pass_store_merging::execute): Refuse to operate on TARGET_MEM_REF.
7279         use the address of the base and adjust for other changes.
7281 2016-11-02  Martin Liska  <mliska@suse.cz>
7283         * fold-const-call.c (host_size_t_cst_p): Test whether
7284         t is convertible to size_t.
7286 2016-11-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7288         PR tree-optimization/78170
7289         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Truncate padding
7290         introduced by native_encode_expr on little-endian as well.
7292 2016-11-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7294         PR tree-optimization/78162
7295         * gimple-ssa-store-merging.c (execute): Mark stores with bitpos < 0
7296         as invalid.
7298 2016-11-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7300         * config/aarch64/aarch64.c (aarch64_register_saved_on_entry): Add
7301         function comment.
7302         (aarch64_next_callee_save): Likewise.
7303         (aarch64_pushwb_single_reg): Likewise.
7304         (aarch64_gen_storewb_pair): Likewise.
7305         (aarch64_push_regs): Likewise.
7306         (aarch64_gen_loadwb_pair): Likewise.
7307         (aarch64_pop_regs): Likewise.
7308         (aarch64_gen_store_pair): Likewise.
7309         (aarch64_gen_load_pair): Likewise.
7310         (aarch64_save_callee_saves): Likewise.
7311         (aarch64_restore_callee_saves): Likewise.
7313 2016-11-02  Richard Biener  <rguenther@suse.de>
7315         PR tree-optimization/78035
7316         PR tree-optimization/77964
7317         * gimple-pretty-print.c (pp_points_to_solution): Print
7318         vars_contains_interposable.
7319         * tree-ssa-alias.c: Include varasm.h.
7320         (ptrs_compare_unequal): Check vars_contains_interposable and
7321         decl_binds_to_current_def_p.
7322         (dump_points_to_solution): Dump vars_contains_interposable.
7323         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_interposable
7324         flag.
7325         * tree-ssa-structalias.c: Include varasm.h.
7326         (set_uids_in_ptset): Record whether vars contains a
7327         not decl_binds_to_current_def_p variable in vars_contains_interposable.
7328         (ipa_escaped_pt): Update initializer.
7330 2016-11-02  Richard Biener  <rguenther@suse.de>
7332         PR tree-optimization/78047
7333         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Initialize
7334         fake field at offset zero conservatively regarding to may_have_pointers.
7336 2016-11-02  Richard Biener  <rguenther@suse.de>
7338         * tree-vrp.c (evrp_dom_walker::before_dom_children): Call
7339         infer_value_range on stmt ops and update value-ranges.
7340         Dump visited stmts and blocks.
7341         (evrp_dom_walker::push_value_range): Dump changes.
7342         (evrp_dom_walker::pop_value_range): Likewise.
7343         (evrp_dom_walker::try_find_new_range): Avoid noop changes.
7345 2016-11-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7347         * emit-rtl.c (prev_nonnote_insn_bb): Change argument type to
7348         rtx_insn *.
7349         * rtl.h (prev_nonnote_insn_bb): Adjust prototype.
7351 2016-11-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7353         * cfgrtl.c (delete_insn_chain): Change argument type to rtx_insn *
7354         and adjust for that.
7355         * cfgrtl.h (delete_insn_chain): Adjust prototype.
7357 2016-11-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7359         * config/rl78/rl78.c (gen-and_emit_move): Change argument type
7360         to rtx_insn *.
7361         (transcode_memory_rtx): Likewise.
7362         (move_to_acc): Likewise.
7363         (move_from_acc): Likewise.
7364         (move_acc_to_reg): Likewise.
7365         (move_to_x): Likewise.
7366         (move_to_hl): Likewise.
7367         (move_to_de): Likewise.
7368         * config/rs6000/rs6000.c (emit_frame_save): Likewise.
7369         (rs6000_emit_savres_rtx): Likewise.
7370         (rs6000_emit_prologue): Likewise.
7371         * reorg.c (update_reg_unused_notes): Likewise.
7372         * rtl.h (remove_note): Adjust prototype.
7373         * rtlanal.c (remove_note): Make argument type rtx_insn *.
7375 2016-11-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7377         * config/alpha/alpha.c (alpha_legitimize_address_1): Split up
7378         variables so some can be rtx_insn *.
7379         (alpha_emit_xfloating_libcall): Likewise.
7380         * config/mips/mips.c (mips_call_tls_get_addr): Likewise.
7381         (mips_legitimize_tls_address): Likewise.
7382         * optabs.c (expand_binop): Likewise.
7383         * reload1.c (gen_reload): Likewise.
7385 2016-11-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7387         * reorg.c (relax_delay_slots): Split up the trial variable.
7389 2016-11-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7391         * config/arc/arc.c (arc_emit_call_tls_get_addr): Make the type
7392         of variables rtx_insn *.
7393         * config/arm/arm.c (arm_call_tls_get_addr): Likewise.
7394         (legitimize_tls_address): Likewise.
7395         * config/bfin/bfin.c (hwloop_optimize): Likewise.
7396         (bfin_gen_bundles): Likewise.
7397         * config/c6x/c6x.c (reorg_split_calls): Likewise.
7398         (c6x_reorg): Likewise.
7399         * config/frv/frv.c (frv_reorder_packet): Likewise.
7400         * config/i386/i386.c (ix86_split_idivmod): Likewise.
7401         * config/ia64/ia64.c (ia64_expand_compare): Likewise.
7402         * config/m32c/m32c.c (m32c_prepare_shift): Likewise.
7403         * config/mn10300/mn10300.c: Likewise.
7404         * config/rl78/rl78.c: Likewise.
7405         * config/s390/s390.c (s390_fix_long_loop_prediction): Likewise.
7406         * config/sh/sh-mem.cc (sh_expand_cmpstr): Likewise.
7407         (sh_expand_cmpnstr): Likewise.
7408         (sh_expand_strlen): Likewise.
7409         (sh_expand_setmem): Likewise.
7410         * config/sh/sh.md: Likewise.
7411         * emit-rtl.c (emit_pattern_before): Likewise.
7412         * except.c: Likewise.
7413         * final.c: Likewise.
7414         * jump.c: Likewise.
7416 2016-11-01  Jason Merrill  <jason@redhat.com>
7418         * tree-inline.c (copy_tree_body_r): Only copy the taken branch of
7419         a COND_EXPR with constant condition.
7421 2016-11-01  Jakub Jelinek  <jakub@redhat.com>
7423         * dwarf2out.c (gen_variable_die): Remove again origin_die variable
7424         and its initialization.
7426 2016-11-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7428         * dwarf2out.c (output_rnglists): Wrap basebuf, len in
7429         HAVE_AS_LEB128.
7431 2016-11-01  Jakub Jelinek  <jakub@redhat.com>
7433         * dwarf2out.c (add_name_and_src_coords_attributes): Add NO_LINKAGE_NAME
7434         argument, don't call add_linkage_name if it is true.
7435         (gen_variable_die): For C++ inline static data members, consider the
7436         initial call when old_die is NULL to be declaration and call
7437         add_name_and_src_coords_attributes in that case with true as
7438         NO_LINKAGE_NAME.  Add DW_AT_inline attribute if needed.
7439         (gen_member_die): For C++ inline static data members, emit a
7440         definition DIE right away in DW_TAG_compile_unit context.
7442 2016-11-01  John David Anglin  <danglin@gcc.gnu.org>
7444         PR target/78166
7445         * config/pa/pa.md: Add new shift/add patterns to handle
7446         (plus (mult (reg) (mem_shadd_operand)) (reg)) source operand.
7448 2016-11-01  Max Filippov  <jcmvbkbc@gmail.com>
7450         * config/xtensa/xtensa-protos.h
7451         (xtensa_use_return_instruction_p): New prototype.
7452         * config/xtensa/xtensa.c (xtensa_current_frame_size,
7453         xtensa_callee_save_size): Remove.
7454         (struct machine_function): Add new fields: current_frame_size,
7455         callee_save_size, frame_laid_out and epilogue_done.
7456         (compute_frame_size, xtensa_expand_prologue,
7457         xtensa_expand_epilogue): Replace xtensa_callee_save_size with
7458         cfun->machine->callee_save_size and xtensa_current_frame_size
7459         with cfun->machine->current_frame_size.
7460         (compute_frame_size): Update cfun->machine->frame_laid_out and
7461         don't update frame layout after reload completion.
7462         (xtensa_expand_epilogue): Set cfun->machine->epilogue_done
7463         instead of zeroing xtensa_current_frame_size.
7464         (xtensa_use_return_instruction_p): New function.
7465         * config/xtensa/xtensa.h (xtensa_current_frame_size): Remove
7466         declaration.
7467         (INITIAL_ELIMINATION_OFFSET): Use return value of
7468         compute_frame_size instead of xtensa_current_frame_size value.
7469         * config/xtensa/xtensa.md ("return" pattern): Use new predicate
7470         function xtensa_use_return_instruction_p instead of inline code.
7472 2016-11-01  Jakub Jelinek  <jakub@redhat.com>
7474         * tree.h (BLOCK_IN_COLD_SECTION_P): Define.
7475         * final.c (final_scan_insn): Set BLOCK_IN_COLD_SECTION_P.
7476         * dwarf2out.c (rnglist_idx): New variable.
7477         (struct dw_ranges): Add label, idx and maybe_new_sec fields.
7478         (DEBUG_RNGLISTS_SECTION): Define.
7479         (ranges_base_label): New variable.
7480         (size_of_die) <case dw_val_class_range_list>: If using
7481         DW_FORM_rnglistx, count size of uleb128 of range list index.
7482         (value_format) <case dw_val_class_range_list>: For
7483         -gdwarf-5 -gsplit-dwarf return DW_FORM_rnglistx.
7484         (output_range_list_offset): Handle -gdwarf-5 .debug_rnglists
7485         offsets.  Multiply dwarf < 5 offsets by 2 * DWARF_ADDR_SIZE.
7486         (add_ranges_num): Remove useless prototype.  Don't multiply
7487         by 2 * DWARF2_ADDR_SIZE.  Add maybe_new_sec argument, adjust
7488         for new fields added to dw_ranges struct.
7489         (add_ranges): Add maybe_new_sec argument and pass it
7490         through to add_ranges_num.
7491         (note_rnglist_head): New function.
7492         (add_ranges_by_labels): Pass true as maybe_new_sec to
7493         add_ranges_num, call note_rnglist_head on the head of the list.
7494         (output_ranges): Add function comment.  Switch to
7495         .debug_ranges section here and emit .Ldebug_ranges0 label.
7496         (index_rnglists, output_rnglists): New functions.
7497         (gen_subprogram_die): Formatting fixes.
7498         (add_high_low_attributes): Don't divide offsets
7499         by 2 * DWARF2_ADDR_SIZE.  Call note_rnglist_head on the
7500         first list element or when pointing into the middle of
7501         a list.  Pass true as second argument to add_ranges on the
7502         first block fragment after cold/hot section switch.
7503         (init_sections_and_labels): For -gdwarf-5 use .debug_rnglists
7504         section instead of .debug_ranges.  Initialize
7505         ranges_base_label if -gdwarf-5 -gsplit-dwarf.
7506         (dwarf2out_finish): For -gdwarf-5 -gsplit-dwarf call
7507         index_rnglists and add DW_AT_rnglists_base attr.  Don't switch
7508         to dwarf_ranges_section here or emit .Ldebug_ranges0 label.
7509         Call output_rnglists for -gdwarf-5.
7510         (dwarf2out_c_finalize): Clear rnglist_idx.
7512 2016-11-01  Fritz Reese  <fritzoreese@gmail.com>
7514         * combine.c (simplify_compare_const): Add gcc_fallthrough.
7516 2016-11-01  Bilyan Borisov  <bilyan.borisov@arm.com>
7517             Tamar Christina <tamar.christina@arm.com>
7519         * config/arm/arm-c.c (arm_cpu_builtins): New macro definition.
7520         * config/arm/arm_neon.h (vmaxnm_f32): New intrinsinc.
7521         (vmaxnmq_f32): Likewise.
7522         (vminnm_f32): Likewise.
7523         (vminnmq_f32): Likewise.
7524         * config/arm/arm_neon_builtins.def (vmaxnm): New builtin.
7525         (vminnm): Likewise.
7526         * config/arm/neon.md (neon_<fmaxmin_op><mode>, VCVTF): New
7527         expander.
7529 2016-10-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
7531         * config/rs6000/vsx.md (VSX_EXTRACT_FL): New iterator for all
7532         binary floating point types supported by the hardware except for
7533         double.
7534         (vsx_xvcvsxwdp_df): Provide scalar result alternative to the
7535         vector instruction for optimizing extracting a SImode from a
7536         V4SImode vector and converting it to floating point.
7537         (vsx_xvcvuxwdp_df): Likewise.
7538         (vsx_extract_si): On ISA 3.0, allow extract target and temporary
7539         registers to be any VSX register.  Move stores to the end of the
7540         constraints.
7541         (vsx_extract_si_<uns>float_df): New combiner pattern and splitter
7542         to optimize extracting a SImode from a V4SImode vector and
7543         converting it to a binary floating point type supported by the
7544         hardware.  Use the vector converts instead of extracting the
7545         element, sign extending it, and then converting it to double.
7546         Other floating point types  than double first convert to double,
7547         then the double is converted to that type.
7548         (vsx_extract_si_<uns>float_<mode>): Likewise.
7550 2016-10-31  Andrew Pinski  <apinski@cavium.com>
7552         * config/aarch64/driver-aarch64.c (host_detect_local_cpu):
7553         Rewrite handling of part num to handle the case where
7554         multiple implementers share the same part num.
7556 2016-10-31  Jan Kratochvil  <jan.kratochvil@redhat.com>
7557             Jakub Jelinek  <jakub@redhat.com>
7559         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): Adjust for -gdwarf-5.
7560         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Likewise.
7562 2016-10-31  Jakub Jelinek  <jakub@redhat.com>
7564         * dwarf2out.c (dwarf_AT): Handle DW_AT_dwo_name.
7565         (use_debug_types): Adjust comment for DWARF5 DW_UT_type units.
7566         (new_die): Handle DW_TAG_skeleton_unit like DW_TAG_compile_unit.
7567         (is_cu_die, is_unit_die): Likewise.
7568         (should_move_die_to_comdat, break_out_comdat_types): Adjust
7569         comments for DWARF5 DW_UT_type units.
7570         (output_compilation_unit_header): Add UT argument, output
7571         start of DWARF5 .debug_info section header.
7572         (output_comp_unit): Add dwo_id argument.  Adjust
7573         output_compilation_unit_header caller, for DW_UT_split_compile
7574         emit dwo_id field, otherwise padding1.  Emit padding2 field.
7575         (add_top_level_skeleton_die_attrs): Add DW_AT_dwo_name
7576         rather than DW_AT_GNU_dwo_name attr for -gdwarf-5.
7577         (output_skeleton_debug_sections): Add dwo_id argument, for
7578         -gdwarf-5 emit DWARF 5 DW_UT_skeleton header.
7579         (output_comdat_type_unit): For -gdwarf-5 emit .debug_info
7580         DW_UT_type or DW_UT_split_type units rather than .debug_types.
7581         (dwarf2out_finish): Use DW_TAG_skeleton_unit rather than
7582         DW_TAG_compile_unit for skeleton unit die.  Don't add
7583         DW_AT_GNU_dwo_id attributes for -gdwarf-5, instead pass checksum
7584         address to output_comp_unit and output_skeleton_debug_sections.
7586         * dwarf2out.c (debug_line_str_section): New variable.
7587         (debug_line_str_hash): Likewise.
7588         (DEBUG_LINE_STR_SECTION): Define.
7589         (set_indirect_string): Handle DW_FORM_line_strp like
7590         DW_FORM_strp.
7591         (find_string_form): Fix up formatting.
7592         (size_of_die): Handle DW_FORM_line_strp like DW_FORM_strp.
7593         Fix up indentation.
7594         (output_die): Handle DW_FORM_line_strp.
7595         (DWARF5_USE_DEBUG_LINE_STR): Define.
7596         (output_line_string): New function.
7597         (output_file_names): Add -gdwarf-5 support.
7598         (output_line_info): Likewise.
7599         (init_sections_and_labels): Initialize debug_line_str_section.
7600         (output_indirect_string): Change 2nd argument from void *
7601         to enum dwarf_form form, compare with form rather than
7602         DW_FORM_strp.
7603         (output_indirect_strings): Pass DW_FORM_strp to
7604         output_indirect_string traversion.
7605         (dwarf2out_finish): Output .debug_line_str strings.
7606         (dwarf2out_c_finalize): Clear debug_line_str_section and
7607         debug_line_str_hash.
7609 2016-10-31  Tom Tromey  <tom@tromey.com>
7611         PR debug/77315
7612         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_form_tls_address.
7613         (resolve_args_picking_1): Move DW_OP_form_tls_address case next to
7614         DW_OP_GNU_push_tls_address case.
7615         (loc_list_from_tree_1): Use DW_OP_form_tls_address.
7617 2016-10-31  Jakub Jelinek  <jakub@redhat.com>
7619         * dwarf2out.h (struct dw_loc_descr_node): Adjust comment
7620         for frame_offset_rel bit.
7621         (struct array_descr_info): Add rank field.
7622         * dwarf2out.c (struct loc_descr_context): Add placeholder_arg
7623         and placeholder_seen fields.
7624         (resolve_args_picking_1): Handle also frame_offset_rel DW_OP_dup
7625         and DW_OP_over.  Optimize DW_OP_pick 0 into DW_OP_dup and
7626         DW_OP_pick 1 into DW_OP_over.
7627         (function_to_dwarf_procedure, type_byte_size, field_byte_offset,
7628         gen_variant_part): Clear placeholder_{arg,seen}.
7629         (loc_list_from_tree_1): Drop const from context argument.
7630         Handle integral PLACEHOLDER_EXPR if context->placeholder_arg.
7631         (loc_list_for_address_of_addr_expr_of_indirect_ref,
7632         loc_list_from_tree, loc_descriptor_from_tree): Drop const from
7633         context argument.
7634         (add_scalar_info): Drop const from context argument.  Handle
7635         context->placeholder_arg.
7636         (add_bound_info): Drop const from context argument.
7637         (gen_descr_array_type_die): Drop const from ctx variable.
7638         Initialize placeholder_arg and placeholder_seen.  Add DW_AT_rank
7639         attribute and use a single DW_TAG_generic_subrange instead of
7640         7 DW_TAG_subrange_type for assumed rank arrays.
7642         * dwarf2out.h (enum dw_val_class): Add dw_val_class_loclistsptr.
7643         * dwarf2out.c (struct dw_loc_list_struct): Change emitted field
7644         from bool to 1-bit uchar bitfield.  Add num_assigned and
7645         offset_emitted bitfields.
7646         (dw_val_equal_p): Compare v.val_lbl_id rather than v.val_unsigned
7647         for dw_val_class_lineptr and dw_val_class_macptr.  Handle
7648         dw_val_class_loclistsptr.
7649         (new_addr_loc_descr): Fix up formatting.
7650         (DEBUG_LOCLISTS_SECTION, DEBUG_DWO_LOCLISTS_SECTION): Define.
7651         (add_AT_low_high_pc): Fix up formatting.
7652         (add_AT_loclistsptr): New function.
7653         (AT_lbl): Allow dw_val_class_loclistsptr.
7654         (print_dw_val, attr_checksum, attr_checksum_ordered, same_dw_val_p):
7655         Handle dw_val_class_loclistsptr.
7656         (loc_list_idx): New variable.
7657         (output_loclists_offsets, assign_location_list_indexes): New
7658         functions.
7659         (size_of_die): For dw_val_class_loc_list -gsplit-dwarf -gdwarf-5
7660         add size_of_uleb128 of the index.  Drop never used
7661         dwarf_split_debug_info AT_index handling.  Handle
7662         dw_val_class_loclistsptr.
7663         (value_format): Return DW_FORM_loclistsx for dw_val_class_loc_list
7664         if -gsplit-dwarf -gdwarf-5.  Handle dw_val_class_loclistsptr.
7665         (output_loc_list): Handle DWARF 5 .debug_loclists* format.
7666         (output_loc_list_offset): Handle -gsplit-dwarf -gdwarf-5
7667         DW_FORM_loclistx indexes.
7668         (output_attr_index_or_value): Fix up formatting.  Don't handle
7669         dw_val_class_loc_list here.
7670         (output_die): Formatting fixes.  Handle dw_val_class_loclistsptr.
7671         For dw_val_class_loc_list call output_loc_list_offset rather than
7672         output_attr_index_or_value.
7673         (init_sections_and_labels): For -gdwarf-5 use .debug_loclists
7674         or .debug_loclists.dwo section name for debug_loc_section.
7675         (resolve_addr_in_expr): Formatting fix.
7676         (index_location_lists): Likewise.
7677         (dwarf2out_finish): If there are any location lists, for
7678         -gsplit-dwarf -gdwarf-5 add DW_AT_loclists_base attribute.  Call
7679         index_location_lists only if have_location_lists.  Call
7680         assign_location_list_indexes for -gsplit-dwarf -gdwarf-5.  Emit
7681         .debug_loclists{,.dwo} section header for -gdwarf-5, for -gdwarf-5
7682         -gsplit-dwarf also emit offset table.
7684         * dwarf2out.c (DWARF_LARGEST_DATA_FORM_BITS): Define.
7685         (size_of_die, value_format, output_die): Use
7686         DW_FORM_data16 for 128-bit dw_val_class_const_double or
7687         dw_val_class_wide_int.
7689         * dwarf2out.c (dwarf_op): Renamed to ...
7690         (dwarf_OP): ... this.
7691         (convert_descriptor_to_mode, scompare_loc_descriptor,
7692         minmax_loc_descriptor, typed_binop, mem_loc_descriptor,
7693         implicit_ptr_descriptor, optimize_one_addr_into_implicit_ptr): Adjust
7694         callers.
7695         (dwarf_AT, dwarf_TAG): New functions.
7696         (check_die): Disallow DW_AT_call_all_calls next to
7697         DW_AT_GNU_all_call_sites.
7698         (gen_call_site_die): Use dwarf_TAG and dwarf_AT with DWARF 5 tag
7699         and attributes instead of the corresponding GNU tag and attributes.
7700         (gen_subprogram_die): Likewise.  Emit call site information even
7701         for -gdwarf-5 -gstrict-dwarf.  Replace DW_AT_GNU_defaulted with
7702         DW_AT_defaulted in comment.
7703         (resolve_addr): Handle DW_AT_call_origin attribute on
7704         DW_TAG_call_site DIE like DW_AT_abstract_origin on
7705         DW_TAG_GNU_call_site DIE.
7707         * dwarf2out.c (dwarf_op): New function.
7708         (size_of_loc_descr): Handle DW_OP_{implicit_pointer,entry_value},
7709         DW_OP_{const,regval,deref}_type and DW_OP_{convert,reinterpret}.
7710         (output_loc_operands, output_loc_operands_raw): Likewise.
7711         (resolve_args_picking_1, prune_unused_types_walk_loc_descr,
7712         mark_base_types, hash_loc_operands, compare_loc_operands): Likewise.
7713         (resolve_addr_in_expr): Likewise.  Only punt for !dwarf_strict
7714         if dwarf_version < 5.
7715         (convert_descriptor_to_mode): Use dwarf_op (DW_OP_xxx) instead of
7716         DW_OP_GNU_xxx.
7717         (scompare_loc_descriptor, ucompare_loc_descriptor,
7718         minmax_loc_descriptor, typed_binop, mem_loc_descriptor,
7719         implicit_ptr_descriptor, optimize_one_addr_into_implicit_ptr,
7720         optimize_location_into_implicit_ptr): Likewise.  Only punt for
7721         !dwarf_strict if dwarf_version < 5.
7722         (string_cst_pool_decl): Adjust comment.
7723         (non_dwarf_expression): Handle DW_OP_implicit_pointer.
7725         * dwarf2out.h (enum dw_val_class): Add dw_val_class_const_implicit,
7726         dw_val_class_unsigned_const_implicit and dw_val_class_file_implicit.
7727         (struct dw_val_node): Add val_file_implicit field.
7728         * dwarf2out.c (dw_val_equal_p, print_dw_val, attr_checksum,
7729         attr_checksum_ordered, same_dw_val_p, size_of_die, value_format,
7730         output_die): Handle dw_val_class_const_implicit,
7731         dw_val_class_unsigned_const_implicit and dw_val_class_file_implicit.
7732         (abbrev_die_table): Change into va_gc vec.
7733         (abbrev_die_table_allocated, abbrev_die_table_in_use,
7734         ABBREV_DIE_TABLE_INCREMENT): Remove.
7735         (AT_int, AT_unsigned, AT_file): Allow dw_val_class_*_implicit.
7736         (abbrev_opt_start, abbrev_usage_count, sorted_abbrev_dies): New
7737         variables.
7738         (build_abbrev_table): Adjust for abbrev_die_table being a va_gc vec.
7739         If abbrev_opt_start, fill in abbrev_usage_count and abbrev_dies
7740         vectors.
7741         (die_abbrev_cmp, optimize_implicit_const, optimize_abbrev_table): New
7742         functions.
7743         (output_die_abbrevs): For DW_FORM_implicit_const emit sleb128 with
7744         the implicit value.
7745         (output_abbrev_section): Adjust for abbrev_die_table being a va_gc
7746         vec.
7747         (output_comp_unit): Initialize abbrev_opt_start if emitting the main
7748         unit.  Call optimize_abbrev_table.
7749         (dwarf2out_init, dwarf2out_finish, dwarf2out_c_finalize): Adjust for
7750         abbrev_die_table being a va_gc vec.
7752         PR tree-optimization/77860
7753         * tree-ssa-reassoc.c (eliminate_using_constants): Handle
7754         also integral complex and vector constants.
7756         * dwarf2out.c (dwarf2out_define, dwarf2out_undef, output_macinfo_op,
7757         optimize_macinfo_range, save_macinfo_strings): Replace
7758         DW_MACRO_GNU_* constants with corresponding DW_MACRO_* constants.
7759         (output_macinfo): Likewise.  Emit .debug_macro* rather than
7760         .debug_macinfo* even for -gstrict-dwarf -gdwarf-5.
7761         (init_sections_and_labels): Use .debug_macro* labels rather than
7762         .debug_macinfo* labels even for -gstrict-dwarf -gdwarf-5.
7763         (dwarf2out_finish): Use DW_AT_macros instead of DW_AT_macro_info
7764         or DW_AT_GNU_macros for -gdwarf-5.
7766 2016-10-31  Waldemar Brodkorb  <wbx@openadk.org>
7768         * config/microblaze/linux.h (UCLIBC_DYNAMIC_LINKER): Define.
7770 2016-09-11  Le-Chun Wu  <lcwu@google.com>
7771             Mark Wielaard  <mjw@redhat.com>
7773         * common.opt (Wshadow=global): New option. Default for -Wshadow.
7774         (Wshadow=local): New option.
7775         (Wshadow-local): Hidden alias for -Wshadow=local.
7776         (Wshadow=compatible-local): New option.
7777         (Wshadow-compatible-local): Hidden alias for
7778         -Wshadow=compatible-local.
7779         * doc/invoke.texi: Document Wshadow=global, Wshadow=local and
7780         Wshadow=compatible-local.
7782 2016-10-31  Bin Cheng  <bin.cheng@arm.com>
7784         * tree-vect-slp.c (vect_get_and_check_slp_defs): New parameter SWAP.
7785         Check slp defs for COND_EXPR by swapping/inverting operands if the
7786         new parameter SWAP indicates so.
7787         (vect_build_slp_tree_1): New parameter SWAP.  Check COND_EXPR stmt
7788         is isomorphic to the first stmt via swapping/inverting.  Store swap
7789         information in the new parameter SWAP.
7790         (vect_build_slp_tree): New local array SWAP and pass it to function
7791         vect_build_slp_tree_1.  Cleanup result handling code for function
7792         call to vect_get_and_check_slp_defs.  Skip operand swapping if the
7793         order of operands has been fixed as indicated by SWAP[i].
7795 2016-10-31  Bin Cheng  <bin.cheng@arm.com>
7797         * tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Skip
7798         unnecessary data dependence check after visited store stmt.
7800 2016-10-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7802         PR tree-optimization/71915
7803         PR tree-optimization/71490
7804         * gimple-ssa-strength-reduction.c (struct slsr_cand_d): Add
7805         stride_type field.
7806         (find_basis_for_base_expr): Require stride types to match when
7807         seeking a basis.
7808         (alloc_cand_and_find_basis): Record the stride type.
7809         (slsr_process_phi): Pass stride type to alloc_cand_and_find_basis.
7810         (backtrace_base_for_ref): Pass types to legal_cast_p_1 rather than
7811         the expressions having those types.
7812         (slsr_process_ref): Pass stride type to alloc_cand_and_find_basis.
7813         (create_mul_ssa_cand): Likewise.
7814         (create_mul_imm_cand): Likewise.
7815         (create_add_ssa_cand): Likewise.
7816         (create_add_imm_cand): Likewise.
7817         (legal_cast_p_1): Change interface to accept types rather than the
7818         expressions having those types.
7819         (legal_cast_p): Pass types to legal_cast_p_1.
7820         (slsr_process_cast): Pass stride type to
7821         alloc_cand_and_find_basis.
7822         (slsr_process_copy): Likewise.
7823         (dump_candidate): Display stride type when a cast exists.
7824         (create_add_on_incoming_edge): Introduce a cast when necessary for
7825         the stride type.
7826         (analyze_increments): Change the code checking for invalid casts
7827         to rely on the stride type, and update the documentation and
7828         example.  Change the code checking for pointer multiplies to rely
7829         on the stride type.
7830         (insert_initializers): Introduce a cast when necessary for the
7831         stride type.  Use the stride type for the type of the initializer.
7833 2016-10-30  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7835         * config/arm/arm.c (arm_const_not_ok_for_debug_p): Use VAR_P.
7837 2016-10-29  Jakub Jelinek  <jakub@redhat.com>
7839         PR rtl-optimization/77919
7840         * expr.c (expand_expr_real_1) <normal_inner_ref>: Only avoid forcing
7841         into memory if both modes are complex and their inner modes have the
7842         same precision.  If the two modes are different complex modes, convert
7843         each part separately and generate a new CONCAT.
7845 2016-10-29  John David Anglin  <danglin@gcc.gnu.org>
7847         * config/pa/pa64-hpux.h (FINI_SECTION_ASM_OP): Define to null string.
7849 2016-10-29  Jakub Jelinek  <jakub@redhat.com>
7851         PR target/78148
7852         * gimple-ssa-store-merging.c
7853         (imm_store_chain_info::output_merged_store): Use build_aligned_type
7854         instead of SET_TYPE_ALIGN on shared integral type.
7856 2016-10-29  John David Anglin  <danglin@gcc.gnu.org>
7858         * config/pa/pa.h (BIGGEST_ALIGNMENT): Adjust comment.
7859         (MALLOC_ABI_ALIGNMENT): Define to 128 on all targets except SOM.
7860         Adjust comment.
7862 2016-10-28  Jeff Law  <law@redhat.com>
7864         * config/vax/vax.h (REGNO_REG_CLASS): Access the REGNO argument.
7865         * config/spu/spu.h (REGNO_REG_CLASS): Likewise.
7867 2016-10-28  Eric Botcazou  <ebotcazou@adacore.com>
7869         * doc/sourcebuild.texi (Ada Tests): Remove mention of gcc chapter.
7871 2016-10-28  Eric Botcazou  <ebotcazou@adacore.com>
7873         * target.def (min_arithmetic_precision): New hook.
7874         * doc/tm.texi.in (Misc): Add TARGET_MIN_ARITHMETIC_PRECISION.
7875         * doc/tm.texi: Regenerate.
7876         * internal-fn.c (expand_arith_overflow): Adjust handling of target
7877         dependent support by means of TARGET_MIN_ARITHMETIC_PRECISION.
7878         * targhooks.c (default_min_arithmetic_precision): New function.
7879         * targhooks.h (default_min_arithmetic_precision): Declare.
7880         * config/sparc/sparc.c (TARGET_MIN_ARITHMETIC_PRECISION): Define.
7881         (sparc_min_arithmetic_precision): New function.
7883 2016-10-28  Segher Boessenkool  <segher@kernel.crashing.org>
7885         PR target/71847
7886         * combine.c (change_zero_ext): Handle zero_ext of hard registers.
7887         Swap commutative operands in new RTL if needed.  Handle zero_ext
7888         in the set_dest.
7889         (recog_for_combine): Pass *pnewpat to change_zero_ext instead of
7890         PATTERN (insn).
7892 2016-10-28  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7893             Kugan Vivekanandarajah  <kuganv@linaro.org>
7894             Jim Wilson  <jim.wilson@linaro.org>
7896         PR tree-optimization/43721
7897         * target.def: New hook expand_divmod_libfunc.
7898         * doc/tm.texi.in: Add hook for TARGET_EXPAND_DIVMOD_LIBFUNC.
7899         * doc/tm.texi: Regenerate.
7900         * internal-fn.def: Add new entry for DIVMOD ifn.
7901         * internal-fn.c (expand_DIVMOD): New.
7902         * tree-ssa-math-opts.c: Include optabs-libfuncs.h, tree-eh.h,
7903         targhooks.h.
7904         (widen_mul_stats): Add new field divmod_calls_inserted.
7905         (target_supports_divmod_p): New.
7906         (divmod_candidate_p): Likewise.
7907         (convert_to_divmod): Likewise.
7908         (pass_optimize_widening_mul::execute): Call calculate_dominance_info,
7909         renumber_gimple_stmt_uids at beginning of function. Call
7910         convert_to_divmod and record stats for divmod.
7911         * config/arm/arm.c (arm_expand_divmod_libfunc): Override hook
7912         TARGET_EXPAND_DIVMOD_LIBFUNC.
7913         * doc/sourcebuild.texi: Add items for arm_divmod_simode, divmod,
7914         divmod_simode.
7916 2016-10-28  Eric Botcazou  <ebotcazou@adacore.com>
7917             Segher Boessenkool  <segher@kernel.crashing.org>
7919         * dojump.c (do_jump_by_parts_greater_rtx): Invert probability when
7920         swapping the arms of the branch.
7921         * internal-fn.c (expand_addsub_overflow): Use a straight-line code
7922         sequence for the generic signed-signed-signed case.
7924 2016-10-28  Jeff Law  <law@redhat.com>
7926         * config/bfin/bfin.c (bfin_legitimate_address_p): Add missing
7927         fallthru comment.
7928         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7930 2016-10-28  Segher Boessenkool  <segher@kernel.crashing.org>
7932         PR rtl-optimization/78029
7933         * function.c (prologue_contains, epilogue_contains): New functions.
7934         (record_prologue_seq, record_epilogue_seq): New functions.
7935         * function.h (prologue_contains, epilogue_contains,
7936         record_prologue_seq, record_epilogue_seq): New declarations.
7937         * sched-deps.c (sched_analyze_insn): Make dependencies to prevent
7938         mixing prologue and epilogue insns.
7939         (init_deps): Initialize the new fields in struct deps_desc.
7940         * sched-int.h (struct deps_desc): New fields last_prologue,
7941         last_epilogue, and last_logue_was_epilogue.
7942         * shrink-wrap.c (emit_common_heads_for_components): Record all
7943         emitted prologue and epilogue insns.
7944         (emit_common_tails_for_components): Ditto.
7945         (insert_prologue_epilogue_for_components): Ditto.
7947 2016-10-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7949         PR middle-end/22141
7950         * Makefile.in (OBJS): Add gimple-ssa-store-merging.o.
7951         * common.opt (fstore-merging): New Optimization option.
7952         * opts.c (default_options_table): Add entry for
7953         OPT_ftree_store_merging.
7954         * fold-const.h (can_native_encode_type_p): Declare prototype.
7955         * fold-const.c (can_native_encode_type_p): Define.
7956         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Define.
7957         (PARAM_MAX_STORES_TO_MERGE): Likewise.
7958         * timevar.def (TV_GIMPLE_STORE_MERGING): New timevar.
7959         * passes.def: Insert pass_tree_store_merging.
7960         * tree-pass.h (make_pass_store_merging): Declare extern
7961         prototype.
7962         * gimple-ssa-store-merging.c: New file.
7963         * doc/invoke.texi (Optimization Options): Document
7964         -fstore-merging.
7965         (--param documentation): Document store-merging-allow-unaligned
7966         and max-stores-to-merge.
7968 2016-10-28  Will Schmidt <will_schmidt@vnet.ibm.com>
7970         PR middle-end/72747
7971         * gimplify.c (gimplify_init_constructor): Move emit of constructor
7972         assignment to earlier in the if/else logic.
7974 2016-10-28  Richard Biener  <rguenther@suse.de>
7976         PR middle-end/78128
7977         PR middle-end/71002
7978         * fold-const.c (make_bit_field_ref): Only adjust alias set
7979         when the original alias set was zero.
7981 2016-10-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7983         * config/s390/s390.c (s390_adjust_loop_scan_osc): New function.
7984         (s390_adjust_loops): New function.
7985         (s390_reorg): Invoke s390_adjust_loops.
7986         * config/s390/s390.md (UNSPEC_OSC_BREAK): New constant.
7987         ("osc_break"): New insn definition.
7989 2016-10-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7991         * config/s390/s390.opt: Support alternate cpu level naming (archXX).
7992         * config.gcc: Support alternate archXX cpu levels with
7993         --with-arch= and --with-tune=.
7994         * config/s390/linux.h: Translate new archXX cpu levels to the
7995         original names when calling GAS.
7996         * config/s390/tpf.h: Likewise.
7997         * doc/invoke.texi: Document the alternate cpu level names.
7999 2016-10-28  Jakub Jelinek  <jakub@redhat.com>
8001         PR rtl-optimization/77919
8002         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force CONCAT into
8003         MEM if mode1 is not a complex mode.
8005         PR rtl-optimization/78132
8006         * ree.c (combine_reaching_defs): Give up if copy_needed and
8007         !HARD_REGNO_MODE_OK (REGNO (src_reg), dst_mode).
8009 2016-10-27  Eric Botcazou  <ebotcazou@adacore.com>
8011         * config/sparc/sparc.md (<*vlop:code><VL:mode>3): Remove leading '*'.
8013 2016-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
8015         * config/rs6000/constraints.md (wH constraint): Add new
8016         constraints for allowing 32-bit integers (and eventually 8/16-bit
8017         integers) into the vector registers.
8018         (wI constraint): Likewise.
8019         (wJ constraint): Likewise.
8020         (wK constraint): Likewise.
8021         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Add
8022         -mvsx-small-integer as a default option for ISA 2.07
8023         (i.e. power8).
8024         (POWERPC_MASKS): Likewise.
8025         * config/rs6000/rs6000.opt (-mvsx-small-integer): Add new debug
8026         switch to turn off small integer support in vector registers.
8027         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Eliminate
8028         test for -mupper-regs-di, since it is already done with the
8029         reg_add[mode].scalar_in_vsx_p.  Add support for the switch
8030         -mvsx-small-integer.
8031         (rs6000_debug_reg_global): Add support for wH, wI, wJ, and wK
8032         constraints.
8033         (rs6000_setup_reg_addr_masks): Likewise.
8034         (rs6000_init_hard_regno_mode_ok): Likewise.
8035         (rs6000_option_override_internal): Add consistency checks for
8036         -mvsx-small-integer.
8037         (rs6000_secondary_reload_simple_move): SImode is a simple move if
8038         -mvsx-small-integer.
8039         (rs6000_secondary_reload): Use std::swap.
8040         (rs6000_preferred_reload_class): Don't prefer FLOAT_REGS over
8041         VSX_REGS for small integers in vector registers, since there is no
8042         D-FORM address mode for such types.
8043         (rs6000_register_move_cost): Use FIRST_FPR_REGNO instead of 32.
8044         (rs6000_opt_masks): Add -mvsx-small-integer.
8045         * config/rs6000/vsx.md (VSINT_84): Add SImode for small integer
8046         support.
8047         (VSX_EXTRACT_I2): Clone VSX_EXTRACT_I, but drop V4SI since SImode
8048         extracts can be done on ISA 2.07.
8049         (vsx_extract_<mode>): Add support for small integers in vsx
8050         registers.
8051         (vsx_extract_<mode>_p9): Use 'v' instead of VSX_EX, since we no
8052         longer support V4SImode in this pattern.
8053         (vsx_extract_si): New insn to support extraction of SImode in ISA
8054         2.07 using either xxextractuw or vspltw.
8055         (vsx_extract_<mode>_p8): Use 'v' instead of VSX_EX, since we no
8056         longer support V4SImode in this pattern.
8057         * config/rs6000/rs6000.h (enum rs6000_reg_class_enum): Add wH, wI,
8058         wJ, and wK constraints.
8059         * config/rs6000/rs6000.md (f32_sv): Use correct instruction for
8060         storing SDmode with VSX instructions.
8061         (zero_extendsi<mode>2): Reorder pattern, so RLDICL comes after the
8062         GPR load and before the FPR and VSX loads.  Remove ??, ! from the
8063         constraints.  Add MFVSRWZ and XXEXTRACTUW instructions to support
8064         small integers in vector registers.
8065         (extendsi<mode>2): Reorder pattern, so EXTSW comes after the GPR
8066         load and before the FPR and VSX loads.  Remove ??, ! from the
8067         constraints.  Add VEXTSW2D support for small integers in vector
8068         registers.
8069         (lfiwax): Remove ! constraint.  Add VEXTSW2D support for small
8070         integers in vector registers.
8071         (floatsi<mode>2_lfiwax): If -mvsx-small-integer issue a normal
8072         move instead of using an UNSPEC.
8073         (lfiwzx): Remove ! constraint.  Add XXEXTRACTUW support for small
8074         integers in vector registers.
8075         (floatunssi<mode>2_lfiwzx): If -mvsx-small-integer issue a normal
8076         move instead of using an UNSPEC.
8077         (movsi_internal1): Add support for -mvsx-small-integer.  Align
8078         columns so that it is more readable.
8079         (SImode splitter for ISA 3.0 constants): Add splitter for
8080         -128..127 constants that can easily be constructed on ISA 3.0.
8081         * doc/md.texi (PowerPC Constraints): Document wH, wI, wJ, and wK
8082         constraints.
8084 2016-10-27  Jakub Jelinek  <jakub@redhat.com>
8086         PR middle-end/78025
8087         * omp-simd-clone.c (simd_clone_adjust): Handle noreturn declare simd
8088         functions.
8090 2016-10-27  Aldy Hernandez  <aldyh@redhat.com>
8092         * builtins.c (expand_builtin_nonlocal_goto): Avoid evaluating
8093         PIC_OFFSET_TABLE_REGNUM twice.
8095 2016-10-27  Bin Cheng  <bin.cheng@arm.com>
8097         * match.pd ((convert (op:s (convert@2 @0) (convert?@3 @1)))): Add
8098         support for constant operand for OP.
8100 2016-10-27  Jakub Jelinek  <jakub@redhat.com>
8102         * dwarf2out.c (gen_member_die): Only reparent_child instead of
8103         splice_child_die if child doesn't have DW_AT_specification attribute.
8105 2016-10-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8107         * config/arm/arm.h (TARGET_HAVE_LDREX): Define for ARMv8-M Baseline.
8108         (TARGET_HAVE_LDREXBH): Likewise.
8109         (TARGET_HAVE_LDACQ): Likewise.
8111 2016-10-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8113         * config/arm/arm.c (arm_split_atomic_op): Add function comment.  Add
8114         logic to to decide whether to copy over old value to register for new
8115         value.
8116         * config/arm/sync.md: Add comments explaning why mode and code
8117         attribute are not defined in iterators.md
8118         (thumb1_atomic_op_str): New code attribute.
8119         (thumb1_atomic_newop_str): Likewise.
8120         (thumb1_atomic_fetch_op_str): Likewise.
8121         (thumb1_atomic_fetch_newop_str): Likewise.
8122         (thumb1_atomic_fetch_oldop_str): Likewise.
8123         (atomic_exchange<mode>): Add new ARMv8-M Baseline only alternatives to
8124         mirror the more restrictive constraints of the Thumb-1 insns after
8125         split compared to Thumb-2 counterpart insns.
8126         (atomic_<sync_optab><mode>): Likewise.  Add comment to keep constraints
8127         in sync with non atomic version.
8128         (atomic_nand<mode>): Likewise.
8129         (atomic_fetch_<sync_optab><mode>): Likewise.
8130         (atomic_fetch_nand<mode>): Likewise.
8131         (atomic_<sync_optab>_fetch<mode>): Likewise.
8132         (atomic_nand_fetch<mode>): Likewise.
8133         * config/arm/thumb1.md (thumb1_addsi3): Add comment to keep contraint
8134         in sync with atomic version.
8135         (thumb1_subsi3_insn): Likewise.
8136         (thumb1_andsi3_insn): Likewise.
8137         (thumb1_iorsi3_insn): Likewise.
8138         (thumb1_xorsi3_insn): Likewise.
8140 2016-10-27  Nick Clifton  <nickc@redhat.com>
8142         * plugin.c (register_plugin_info): Produce an error message if the
8143         plugin is not found in the hash table.
8145 2016-10-27  Bin Cheng  <bin.cheng@arm.com>
8147         * match.pd ((convert1 (minmax ((convert2 (x) c)))) -> minmax (x c)):
8148         New pattern.
8150 2016-10-26  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8152         PR target/78056
8153         * config/rs6000/rs6000.c (spe_init_builtins): Modify loops to not
8154         define builtin functions from the bdesc_spe_predicates or
8155         bdesc_spe_evsel arrays if the builtin mask is not compatible with
8156         the current compiler configuration.
8157         (paired_init_builtins): Modify loop to not define define builtin
8158         functions from the bdesc_paried_preds array if the builtin mask is
8159         not compatible with the current compiler configuration.
8160         (altivec_init_builtins): Modify loops to not define the
8161         __builtin_altivec_stxvl function nor the builtin functions from
8162         the bdesc_dst or bdesc_altivec_preds, or bdesc_abs arrays if the
8163         builtin mask is not compatible with the current compiler
8164         configuration.
8166 2016-10-26  Jeff Law  <law@redhat.com>
8168         * config/sh/sh.c (output_branch): Add missing fallthru comments.
8169         (gen_shl_and): Likewise.
8170         * config/sh/sh.md (movsicc): Add missing fallthru comments.
8172         * config/mips/mips.c (mips16_constant_cost): Add missing
8173         fallthru comments.
8174         (mips16_build_call_stub): Increase buffer size.  Adjust
8175         fallthru comment.
8177 2016-10-26  David Malcolm  <dmalcolm@redhat.com>
8179         * print-rtl.c (rtx_writer::print_rtx_operand_code_u): Print
8180         INSN_UIDs for all insns in compact mode.
8181         (rtx_writer::print_rtx): Likewise.
8182         * print-rtl.h (rtx_writer::flag_compact): Update comment.
8183         * rtl-tests.c (selftest::test_dumping_insns): Update expected
8184         output to include INSN_UID.
8185         (selftest::test_uncond_jump): Likewise.
8187 2016-10-26  Pat Haugen  <pthaugen@us.ibm.com>
8189         * haifa-sched.c (call_used_regs_num): Rename to...
8190         (call_saved_regs_num): ...this.
8191         (fixed_regs_num): New variable.
8192         (sched_pressure_start_bb): Subtract out fixed_regs. Scale call_saved
8193         regs not call_used.
8194         (alloc_global_sched_pressure_data): Compute call_saved and fixed regs.
8196 2016-10-26  David Malcolm  <dmalcolm@redhat.com>
8198         * print-rtl-function.c (print_rtx_function): Rewrite in terms of
8199         class rtx_writer.
8200         * print-rtl.c (outfile): Delete global.
8201         (sawclose): Likewise.
8202         (indent): Likewise.
8203         (in_call_function_usage): Likewise.
8204         (flag_compact): Likewise.
8205         (flag_simple): Likewise.
8206         (rtx_writer::rtx_writer): New ctor.
8207         (print_rtx_operand_code_0): Convert to...
8208         (rtx_writer::print_rtx_operand_code_0): ...this.
8209         (print_rtx_operand_code_e): Convert to...
8210         (rtx_writer::print_rtx_operand_code_e): ...this.
8211         (print_rtx_operand_codes_E_and_V): Convert to...
8212         (rtx_writer::print_rtx_operand_codes_E_and_V): ...this.
8213         (print_rtx_operand_code_i): Convert to...
8214         (rtx_writer::print_rtx_operand_code_i): ...this.
8215         (print_rtx_operand_code_r): Convert to...
8216         (rtx_writer::print_rtx_operand_code_r): ...this.
8217         (print_rtx_operand_code_u): Convert to...
8218         (rtx_writer::print_rtx_operand_code_u): ...this.
8219         (print_rtx_operand): Convert to...
8220         (rtx_writer::print_rtx_operand): ...this.
8221         (print_rtx): Convert to...
8222         (rtx_writer::print_rtx): ...this.
8223         (print_inline_rtx): Rewrite in terms of class rtx_writer.
8224         (debug_rtx): Likewise.
8225         (print_rtl): Convert to...
8226         (rtx_writer::print_rtl): ...this.
8227         (print_rtl): Reimplement in terms of class rtx_writer.
8228         (print_rtl_single): Rewrite in terms of class rtx_writer.
8229         (print_rtl_single_with_indent): Convert to..
8230         (rtx_writer::print_rtl_single_with_indent): ...this.
8231         (print_simple_rtl): Rewrite in terms of class rtx_writer.
8232         * print-rtl.h (flag_compact): Delete decl.
8233         (class rtx_writer): New class.
8234         * rtl-tests.c (selftest::assert_rtl_dump_eq): Rewrite in terms of
8235         class rtx_writer.
8237 2016-10-26  Jeff Law  <law@redhat.com>
8239         * config/microblaze/microblaze.c (tls_mentioned_p): Avoid
8240         fallthru.
8242         * config/arc/arc.c (acr_print_operand): Adjust fallthru comment.
8243         (check_if_valid_sleep_operand): Add missing fallthru comment.
8244         (arc_register_move_cost): Increase buffer size.
8245         * config/arc/arc.md (cbranch4si_scratch): Add missing fallthru
8246         comment.
8247         * config/arc/predicates.md (move_str_operand): Avoid fallthru.
8249         * config/cr16/cr16.c (cr16_print_operand): Add missing fallthru
8250         comment.  Add gcc_unreachable for path that should never happen.
8252         * config/epiphany/epiphany.c (epiphany_print_operand): Adjust
8253         fallthru comment.
8255 2016-10-26  Jakub Jelinek  <jakub@redhat.com>
8256             Martin Liska  <mliska@suse.cz>
8258         PR fortran/77973
8259         * gimplify.c (gimplify_adjust_omp_clauses_1): For all added map
8260         clauses with OMP_CLAUSE_SIZE being a decl, call omp_notice_variable
8261         on outer context if any.
8263 2016-10-26  Jakub Jelinek  <jakub@redhat.com>
8265         * gen-pass-instances.awk (adjust_linenos): Increment pass_lines[p]
8266         by increment rather than double it.
8267         (insert_remove_pass): Strip leading whitespace from args[3].  Don't
8268         emit a space before args[4].
8269         (END): Don't emit a space before with_arg.
8271 2016-10-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8273         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Add new ARMv8-M
8274         Baseline only alternatives to (i) hold store atomic success value in a
8275         return register rather than a scratch register, (ii) use a low register
8276         for it and to (iii) ensure the cbranchsi insn generated by the split
8277         respect the constraints of Thumb-1 cbranchsi4_insn and
8278         cbranchsi4_scratch.
8279         * config/arm/thumb1.md (cbranchsi4_insn): Add comment to indicate
8280         constraints must match those in atomic_compare_and_swap.
8281         (cbranchsi4_scratch): Likewise.
8283 2016-10-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8285         * config/arm/arm.c (arm_expand_compare_and_swap): Add new bdst local
8286         variable.  Add the new parameter to the insn generator.  Set that
8287         parameter to be CC flag for 32-bit targets, bval otherwise.  Set the
8288         return value from the negation of that parameter for Thumb-1, keeping
8289         the logic unchanged otherwise except for using bdst as the destination
8290         register of the compare_and_swap insn.
8291         (arm_split_compare_and_swap): Add explanation about how is the value
8292         returned to the function comment.  Rename scratch variable to
8293         neg_bval.  Adapt initialization of variables holding operands to the
8294         new operand numbers.  Use return register to hold result of store
8295         exclusive for Thumb-1, scratch register otherwise.  Construct the
8296         appropriate cbranch for Thumb-1 targets, keeping the logic unchanged
8297         for 32-bit targets.  Guard Z flag setting to restrict to 32bit targets.
8298         Use gen_cbranchsi4 rather than hand-written conditional branch to loop
8299         for strongly ordered compare_and_swap.
8300         * config/arm/predicates.md (cc_register_operand): New predicate.
8301         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Use a
8302         match_operand with the new predicate to accept either the CC flag or a
8303         destination register for the boolean return value, restricting it to
8304         CC flag only via constraint.  Adapt operand numbers accordingly.
8306 2016-10-26  Jeff Law  <law@redhat.com>
8308         * config/fr30/fr30.c (fr30_print_operand): Adjust fallthru comment.
8310         * config/frv/frv.c (comparison_string): Do not fall through after
8311         an error.
8313         * config/iq2000/iq2000.c (iq2000_function_arg): Adjust fallthru
8314         comment.
8315         (expand_one_builtin): Add missing break.
8317         * config/m32c/m32c.c (encode_pattern_1): Add fallthru comment.
8318         (m32c_legitimate_address_p): Likewise.
8320         * config/m32r/m32r.c (m32r_print_operand): Adjust fallthru comment.
8322         * config/mcore/mcore.c (mcore_gen_compare): Adjust fallthru comments.
8324         * config/microblaze/microblaze.c (microblaze_function_arg): Adjust
8325         fallthru comment.
8327         * config/msp430/msp430.c (msp430_legitimate_address_p): Adjust
8328         fallthru comment.
8330         * config/nios2/nios2.c (nios2_rtx_costs): Avoid fallthru.
8332         * config/rl78/rl78.c (rl78_calculate_death_notes): Add fallthru
8333         comment.
8334         (rl78_asm_ctor_dtor): Increase buffer size.
8336         * config/stormy16/stormy16.c (xstormy16_asm_output_destrutor): Increase
8337         buffer size.
8338         (xstormy16_asm_output_constructor): Likewise.
8340         * config/pa/pa.c (pa_asm_output_mi_thunk): Increase buffer
8341         size.
8343         * config/h8300/h8300.c (h8300_print_operand): Adjust FALLTHRU
8344         comment to silence warning.
8346         * config/spu/spu.c (spu_sched_reorder): Add missing fallthru comment.
8347         (spu_legitimate_address_p): Fix logic error and add missing fallthru
8348         comment.
8350 2016-10-26  Michael Matz  <matz@suse.de>
8352         PR tree-optimization/78060
8353         PR tree-optimization/78061
8354         PR tree-optimization/78088
8355         * tree-ssa-loop-split.c (easy_exit_values): New function.
8356         (tree_ssa_split_loops): Use it.
8357         (compute_new_first_bound): Change order of operations,
8358         fix invalid use of types.
8360 2016-10-26  Georg-Johann Lay  <avr@gjlay.de>
8362         gen-pass-instances.awk is sensitive to the order in which
8363         passes are added; passes that appear later have to be added first.
8365         PR target/71676
8366         PR target/71678
8367         * config/avr/avr-passes.def: Swap order of directives for
8368         gen-pass-instances.awk.
8370 2016-10-25  Jeff Law  <law@redhat.com>
8372         * config/vax/vax.c (vad_address_cost_1): Add missing FALLTHRU comment.
8373         (vax_notice_update_cc): Likewise.
8375 2016-10-25  Eric Botcazou  <ebotcazou@adacore.com>
8377         * config.gcc (sparc*-*-solaris2*): Adjust.
8378         (sparc64-*-linux*): Likewise.
8379         * config/sparc/default-64.h: Rename to...
8380         * config/sparc/default64.h: ...this.
8381         * config/sparc/sparc.c (sparc_option_override): Replace TARGET_64BIT
8382         with TARGET_ARCH64.
8383         (sparc_mangle_type): Replace !TARGET_64BIT with TARGET_ARCH32.
8384         * config/sparc/sparc.h: Minor tweaks.
8385         * config/sparc/sparc.md: Replace !TARGET_64BIT and !TARGET_ARCH64 with
8386         TARGET_ARCH32 throughout.  Minor various tweaks throughout.
8388 2016-10-25  David Malcolm  <dmalcolm@redhat.com>
8390         * input.c (fcache::file_patch): Add comment about lifetime.
8391         (selftest::cpp_reader_ptr): New class.
8392         (selftest::lexer_test): Convert m_parser from cpp_reader *
8393         to a cpp_reader_ptr, and move m_tempfile to after it.
8394         (selftest::lexer_test::lexer_test): Update for above reordering.
8395         (lexer_test::~lexer_test): Move cleanup of m_parser to
8396         cpp_reader_ptr's dtor.
8398 2016-10-25  David Malcolm  <dmalcolm@redhat.com>
8400         * toplev.c (toplev::main): Remove call to
8401         location_adhoc_data_fini.
8403 2016-10-25  Eric Botcazou  <ebotcazou@adacore.com>
8405         * tree.h (wi::fits_to_tree_p): Accept only 0 and 1 for boolean types.
8406         * tree.c (int_fits_type_p): Likewise.  Adjust head comment.
8408 2016-10-25  David Malcolm  <dmalcolm@redhat.com>
8410         * ggc-tests.c (forcibly_ggc_collect): Rename to...
8411         (selftest::forcibly_ggc_collect): ...this, and remove "static".
8412         (test_basic_struct): Update for above renaming.
8413         (test_length): Likewise.
8414         (test_union): Likewise.
8415         (test_finalization): Likewise.
8416         (test_deletable_global): Likewise.
8417         (test_inheritance): Likewise.
8418         (test_chain_next): Likewise.
8419         (test_user_struct): Likewise.
8420         (test_tree_marking): Likewise.
8421         * selftest-run-tests.c (selftest::run_tests): Call
8422         selftest::forcibly_ggc_collect at the end of the selftests.
8423         * selftest.h (selftest::forcibly_ggc_collect): New decl.
8425 2016-10-25  Jakub Jelinek  <jakub@redhat.com>
8427         PR target/78102
8428         * optabs.def (vcondeq_optab, vec_cmpeq_optab): New optabs.
8429         * optabs.c (expand_vec_cond_expr): For comparison codes
8430         EQ_EXPR and NE_EXPR, attempt vcondeq_optab as fallback.
8431         (expand_vec_cmp_expr): For comparison codes
8432         EQ_EXPR and NE_EXPR, attempt vec_cmpeq_optab as fallback.
8433         * optabs-tree.h (expand_vec_cmp_expr_p, expand_vec_cond_expr_p):
8434         Add enum tree_code argument.
8435         * optabs-query.h (get_vec_cmp_eq_icode, get_vcond_eq_icode): New
8436         inline functions.
8437         * optabs-tree.c (expand_vec_cmp_expr_p): Add CODE argument.  For
8438         CODE EQ_EXPR or NE_EXPR, attempt to use vec_cmpeq_optab as
8439         fallback.
8440         (expand_vec_cond_expr_p): Add CODE argument.  For CODE EQ_EXPR or
8441         NE_EXPR, attempt to use vcondeq_optab as fallback.
8442         * tree-vect-generic.c (expand_vector_comparison,
8443         expand_vector_divmod, expand_vector_condition): Adjust
8444         expand_vec_cmp_expr_p and expand_vec_cond_expr_p callers.
8445         * tree-vect-stmts.c (vectorizable_condition,
8446         vectorizable_comparison): Likewise.
8447         * tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern,
8448         check_bool_pattern, search_type_for_mask_1): Likewise.
8449         * expr.c (do_store_flag): Likewise.
8450         * doc/md.texi (@code{vec_cmpeq@var{m}@var{n}},
8451         @code{vcondeq@var{m}@var{n}}): Document.
8452         * config/i386/sse.md (vec_cmpeqv2div2di, vcondeq<VI8F_128:mode>v2di):
8453         New expanders.
8455 2016-10-25  Jeff Law  <law@redhat.com>
8457         * config/v850/v850.c (v850_handle_data_area_attribute): Fix fallthru
8458         comment.
8459         (v850_output_aligned_bss): Add missing break.
8461         * config/m68k/m68k.c (m68k_get_reloc_decoration): Add gcc_unreachable.
8463 2016-10-25  Martin Liska  <mliska@suse.cz>
8465         PR sanitizer/78106
8466         * sanopt.c (imm_dom_path_with_freeing_call): Handle gasm
8467         statements as they can also contain possibly a freeing call.
8469 2016-10-25  H.J. Lu  <hongjiu.lu@intel.com>
8470             Martin Liska  <mliska@suse.cz>
8472         PR ipa/78099
8473         * common.opt: Mark flag_ipa_icf_variables as Optimization flag.
8474         * ipa-icf.c (sem_function::get_hash): Add target optimization
8475         node to hash.
8477 2016-10-25  Wilco Dijkstra  <wdijkstr@arm.com>
8479         PR target/78041
8480         * config/arm/neon.md (ashldi3_neon): Add "r 0 i" and "&r r i" variants.
8481         Remove partial overlap check for shift by 1.
8482         (ashldi3_neon): Likewise.
8484 2016-10-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8486         * config/arm/constraints.md (Q constraint): Document its use for
8487         Thumb-1.
8488         (Pf constraint): New constraint for relaxed, consume or relaxed memory
8489         models.
8490         * config/arm/sync.md (atomic_load<mode>): Add new ARMv8-M Baseline only
8491         alternatives to allow any register when memory model matches Pf and
8492         thus lda is used, but only low registers otherwise.  Use unpredicated
8493         output template for Thumb-1 targets.
8494         (atomic_store<mode>): Likewise for stl.
8495         (arm_load_exclusive<mode>): Add new ARMv8-M Baseline only alternative
8496         whose output template does not have predication.
8497         (arm_load_acquire_exclusive<mode>): Likewise.
8498         (arm_load_exclusivesi): Likewise.
8499         (arm_load_acquire_exclusivesi): Likewise.
8500         (arm_store_release_exclusive<mode>): Likewise.
8501         (arm_store_exclusive<mode>): Use unpredicated output template for
8502         Thumb-1 targets.
8504 2016-10-25  Jakub Jelinek  <jakub@redhat.com>
8506         * internal-fn.def (LAUNDER): New internal function.
8507         * internal-fn.c (expand_LAUNDER): New function.
8509 2016-10-25  Georg-Johann Lay  <avr@gjlay.de>
8510             Pitchumani Sivanupandi  <pitchumani.sivanupandi@microchip.com>
8512         New avr target pass to work around performance loss by PR fix.
8514         PR target/71676
8515         PR target/71678
8516         * config/avr/avr.md (casesi_<mode>_sequence) [qi,hi]: New insn.
8517         (*cmp<mode>) [qi,qq,uqq,hi,hq,uhq,ha,uha]: Rename to cmp<mode>3.
8518         * config/avr/predicates.md (extend_operator): New.
8519         * config/avr/avr-passes.def (avr_pass_casesi): Register new pass.
8520         * config/avr/avr-protos.h (avr_casei_sequence_check_operands)
8521         (make_avr_pass_casesi): New prototypes.
8522         * config/avr/avr.c (print-rtl.h): Include it.
8523         (pass_data avr_pass_data_casesi): Data for new pass.
8524         (avr_pass_casesi): New class implementing rtl_opt_pass .avr-casesi.
8525         (make_avr_pass_casesi, avr_parallel_insn_from_insns)
8526         (avr_is_casesi_sequence, avr_casei_sequence_check_operands)
8527         (avr_optimize_casesi): New functions.
8529 2016-10-25  Georg-Johann Lay  <avr@gjlay.de>
8530             Pitchumani Sivanupandi  <pitchumani.sivanupandi@microchip.com>
8532         PR target/71676
8533         PR target/71678
8534         * config/avr/avr.md (casesi): Rewrite avoiding subregs of SI.
8536 2016-10-24  Jakub Jelinek  <jakub@redhat.com>
8538         * dwarf2out.c (gen_subprogram_die): Add DW_AT_reference or
8539         DW_AT_rvalue_reference attributes.
8541 2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8543         * doc/invoke.text (Wint-in-bool-context): Update documentation.
8544         * value-prof.c (stringop_block_profile): Fix a warning.
8546 2016-10-24  Martin Sebor  <msebor@redhat.com>
8548         PR middle-end/77735
8549         * builtins.c (string_length): New function.
8550         (c_strlen): Use string_length.  Correctly handle wide strings.
8551         * gimple-ssa-sprintf.c (target_max_value, target_size_max): New
8552         functions.
8553         (target_int_max): Call target_max_value.
8554         (format_result::knownrange): New data member.
8555         (fmtresult::fmtresult): Define default constructor.
8556         (format_integer): Use it and set format_result::knownrange.
8557         Handle global constants.
8558         (format_floating_max): Add third argument.
8559         (format_floating): Recompute maximum value for %a for each argument.
8560         (get_string_length): Use fmtresult default ctor.
8561         (format_string): Set format_result::knownrange.
8562         (format_directive): Check format_result::knownrange.
8563         (add_bytes): Same.  Correct caret placement in diagnostics.
8564         (pass_sprintf_length::compute_format_length): Set
8565         format_result::knownrange.
8566         (pass_sprintf_length::handle_gimple_call): Use target_size_max.
8568 2016-10-24  Jakub Jelinek  <jakub@redhat.com>
8570         * config/i386/i386.c (ix86_in_large_data_p, ix86_expand_builtin): Use
8571         VAR_P (x) instead of TREE_CODE (x) == VAR_DECL.
8573 2016-10-24  Ximin Luo  <infinity0@pwned.gg>
8575         PR debug/77985
8576         * dwarf2out.c (file_table_relative_p): Remove.
8577         (gen_compile_unit_die, dwarf2out_early_finish): Emit DW_AT_comp_dir
8578         also for absolute paths.
8579         * doc/tm.texi: Update.
8580         * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Remove.
8581         * target.def (force_at_comp_dir): Remove hook.
8582         * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Remove define.
8584 2016-10-24  Richard Biener  <rguenther@suse.de>
8586         * tree-vrp.c (evrp_dom_walker::before_dom_children): Ignore
8587         backedges when identifying the single predecessor to take
8588         conditional info from.  Use SCEV to get at ranges for loop IVs.
8589         * lto-streamer-out.c (lto_write_mode_table): CSE inner mode to
8590         avoid false warning.
8592 2016-10-24  Georg-Johann Lay  <avr@gjlay.de>
8594         PR target/78093
8595         * doc/extend.texi (AVR Variable Attributes) [absdata]: Document it.
8596         * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_ABSDATA): New macro.
8597         (avr_address_tiny_absdata_p): New static function.
8598         (avr_legitimate_address_p, avr_legitimize_address) [AVR_TINY]: Use
8599         it to determine validity of constant addresses.
8600         (avr_attribute_table) [absdata]: New variable attribute...
8601         (avr_handle_absdata_attribute): ...and handler.
8602         (avr_decl_absdata_p): New static function.
8603         (avr_encode_section_info) [AVR_TINY]: Use it to add flag
8604         AVR_SYMBOL_FLAG_TINY_ABSDATA to respective symbols_refs.
8605         (avr_address_cost) [AVR_TINY]: absdata addresses cost 2.
8607 2016-10-24  Richard Biener  <rguenther@suse.de>
8609         PR tree-optimization/78076
8610         * tree-ssa-loop-split.c (tree_ssa_split_loops): Reset aux
8611         also on the loop tree root.
8613 2016-10-24  Jakub Jelinek  <jakub@redhat.com>
8615         * config/i386/i386.c (ix86_fold_builtin): Handle
8616         IX86_BUILTIN_BEXTR{,I}{32,64}, IX86_BUILTIN_BZHI{32,64},
8617         IX86_BUILTIN_PDEP{32,64} and IX86_BUILTIN_PEXT{32,64}.
8618         (ix86_gimple_fold_builtin): Handle IX86_BUILTIN_BZHI{32,64},
8619         IX86_BUILTIN_PDEP{32,64} and IX86_BUILTIN_PEXT{32,64}.
8621 2016-10-24  Martin Liska  <mliska@suse.cz>
8623         PR sanitizer/77966
8624         * opts.c (finish_options): Skip conditionally.
8626 2016-10-23  Martin Sebor  <msebor@redhat.com>
8628         PR target/77837
8629         * config/rs6000/linux.h (TARGET_PRINTF_POINTER_FORMAT): Define.
8630         * config/rs6000/linux64.h (TARGET_PRINTF_POINTER_FORMAT): Likewise.
8632 2016-10-23  Eric Botcazou  <ebotcazou@adacore.com>
8634         * config/sparc/sparc.md (cpu_feature): Minor tweak.
8635         (enabled): Likewise.
8636         (movsi_insn, movdi_insn_sp32, movdi_insn_sp64, movsf_insn,
8637         movdf_insn_sp32, movdf_insn_sp64, zero_extendsidi2_insn_sp64,
8638         sign_extendsidi2_insn, mov<VM32:mode>_insn, mov<VM64:mode>_insn_sp64,
8639         mov<VM64:mode>_insn_sp32, not_<code><mode>, nand<mode>_vis,
8640         <code>_not1<mode>_vi, <code>_not2<mode>_vis, one_cmpl<mode>2,
8641         fcmp<code><GCM:gcm_name>, pdistn<mode>_vis): Likewise.
8643 2016-10-23  Eric Botcazou  <ebotcazou@adacore.com>
8645         * config/sparc/sparc-c.c (sparc_target_macros): Replace TARGET_64BIT
8646         with TARGET_ARCH64.  Define __VIS to 0x400 if TARGET_VIS4.
8648 2016-10-21  Andrew Pinski  <apinski@cavium.com>
8650         * config/aarch64/aarch64-cores.def: Rewrite so IMP and PART are
8651         integer constants.
8652         * config/aarch64/driver-aarch64.c (struct aarch64_core_data): Change
8653         implementer_id to unsigned char.
8654         Change part_no to unsigned int.
8655         (AARCH64_BIG_LITTLE): New define.
8656         (INVALID_IMP): New define.
8657         (INVALID_CORE): New define.
8658         (cpu_data): Change the last element's implementer_id and part_no to
8659         integers.
8660         (valid_bL_string_p): Rewrite to ..
8661         (valid_bL_core_p): this for integers instead of strings.
8662         (parse_field): New function.
8663         (contains_string_p): Rewrite to ...
8664         (contains_core_p): this for integers and only for the part_no.
8665         (host_detect_local_cpu): Rewrite handling of implementation and
8666         par num to be integers; simplifying the code.
8668 2016-10-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
8670         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Create nonzero
8671         value range for pointers in more cases.
8673 2016-10-21  Wilco Dijkstra  <wdijkstr@arm.com>
8675         * config/aarch64/aarch64.c (aarch64_add_constant_internal):
8676         Add extra argument to allow emitting the move immediate.
8677         Use add/sub with positive immediate.
8678         (aarch64_add_constant): Add inline function.
8679         (aarch64_add_sp): Likewise.
8680         (aarch64_sub_sp): Likewise.
8681         (aarch64_expand_prologue): Call aarch64_sub_sp.
8682         (aarch64_expand_epilogue): Call aarch64_add_sp.
8683         Decide when to leave out move.
8684         (aarch64_output_mi_thunk): Call aarch64_add_constant.
8686 2016-10-21  Wilco Dijkstra  <wdijkstr@arm.com>
8688         * config/aarch64/aarch64.c (aarch64_layout_frame):
8689         Align FP callee-saves.
8691 2016-10-21  Jakub Jelinek  <jakub@redhat.com>
8693         * config/i386/adxintrin.h (_subborrow_u32, _addcarry_u32,
8694         _addcarryx_u32, _subborrow_u64, _addcarry_u64, _addcarryx_u64):
8695         Formatting fixes.
8696         * config/i386/rdseedintrin.h (_rdseed16_step, _rdseed32_step,
8697         _rdseed64_step): Likewise.
8698         * config/i386/tbmintrin.h (__bextri_u32): Likewise.
8700         PR target/78057
8701         * config/i386/i386.c: Include fold-const-call.h, tree-vrp.h
8702         and tree-ssanames.h.
8703         (ix86_fold_builtin): Fold IX86_BUILTIN_[LT]ZCNT{16,32,64}
8704         with INTEGER_CST argument.
8705         (ix86_gimple_fold_builtin): New function.
8706         (TARGET_GIMPLE_FOLD_BUILTIN): Define.
8708         * dwarf2out.c (ranges_table): Change into vec<dw_ranges, va_gc> *.
8709         (ranges_by_label): Change into vec<dw_ranges_by_label, va_gc> *.
8710         (ranges_table_allocated, ranges_table_in_use,
8711         ranges_by_label_allocated, ranges_by_label_in_use,
8712         RANGES_TABLE_INCREMENT): Removed.
8713         (add_ranges_num): Use vec_safe_push into ranges_table.
8714         (add_ranges_by_labels): Use vec_safe_push into ranges_by_label.
8715         (output_ranges): Adjust for ranges_table and ranges_by_label
8716         conversion from arrays to vec.
8717         (add_high_low_attributes, dwarf2out_finish): Adjust for range_table
8718         conversion from arrays to vec.
8719         (dwarf2out_c_finalize): Don't clear ranges_table_allocated,
8720         ranges_table_in_use, ranges_by_label_allocated and
8721         ranges_by_label_in_use.  Set ranges_by_label to NULL instead of 0.
8723         * dwarf2out.c (gen_variable_die): Emit DW_AT_const_expr attribute
8724         if needed.  Re-add origin_die variable and its initialization.
8726         * gimplify.c (gimplify_bind_expr): Handle oacc_declare_returns
8727         even for -fstack-reuse=none, or for volatile vars etc.
8729 2016-10-21  David Malcolm  <dmalcolm@redhat.com>
8731         * print-rtl-function.c (flag_compact): Move extern decl to...
8732         * print-rtl.h (flag_compact): ...here.
8733         * rtl-tests.c (selftests::assert_rtl_dump_eq): New function.
8734         (ASSERT_RTL_DUMP_EQ): New macro.
8735         (selftest::test_dumping_regs): New function.
8736         (selftest::test_dumping_insns): New function.
8737         (selftest::test_uncond_jump): Add uses of ASSERT_RTL_DUMP_EQ on
8738         the insns.
8739         (selftest::rtl_tests_c_tests): Call the new test functions.
8741 2016-10-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8743         * cfgcleanup.c (merge_blocks_move_successor_nojumps): Adjust.
8744         (outgoing_edges_match): Likewise.
8745         (try_crossjump_to_edge): Likewise.
8746         * cfgrtl.c (try_redirect_by_replacing_jump): Likewise.
8747         (rtl_tidy_fallthru_edge): Likewise.
8748         * rtl.h (tablejump_p): Adjust prototype.
8749         * rtlanal.c (tablejump_p): Return the label as a rtx_insn *.
8751 2016-10-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8753         * rtl.h (label_ref_label): New function.
8754         (set_label_ref_label): New function.
8755         (LABEL_REF_LABEL): Delete.
8756         * alias.c (rtx_equal_for_memref_p): Adjust.
8757         * cfgbuild.c (make_edges): Likewise.
8758         (purge_dead_tablejump_edges): Likewise.
8759         * cfgexpand.c (convert_debug_memory_address): Likewise.
8760         * cfgrtl.c (patch_jump_insn): Likewise.
8761         * combine.c (distribute_notes): Likewise.
8762         * cse.c (hash_rtx_cb): Likewise.
8763         (exp_equiv_p): Likewise.
8764         (fold_rtx): Likewise.
8765         (check_for_label_ref): Likewise.
8766         * cselib.c (rtx_equal_for_cselib_1): Likewise.
8767         (cselib_hash_rtx): Likewise.
8768         * emit-rtl.c (mark_label_nuses): Likewise.
8769         * explow.c (convert_memory_address_addr_space_1): Likewise.
8770         * final.c (output_asm_label): Likewise.
8771         (output_addr_const): Likewise.
8772         * gcse.c (add_label_notes): Likewise.
8773         * genconfig.c (walk_insn_part): Likewise.
8774         * genrecog.c (validate_pattern): Likewise.
8775         * ifcvt.c (cond_exec_get_condition): Likewise.
8776         (noce_emit_store_flag): Likewise.
8777         (noce_get_alt_condition): Likewise.
8778         (noce_get_condition): Likewise.
8779         * jump.c (maybe_propagate_label_ref): Likewise.
8780         (mark_jump_label_1): Likewise.
8781         (redirect_exp_1): Likewise.
8782         (rtx_renumbered_equal_p): Likewise.
8783         * lra-constraints.c (operands_match_p): Likewise.
8784         * print-rtl.c (print_value): Likewise.
8785         * reload.c (find_reloads): Likewise.
8786         * reload1.c (set_label_offsets): Likewise.
8787         * reorg.c (get_branch_condition): Likewise.
8788         * rtl-tests.c (test_uncond_jump): Likewise.
8789         * rtl.c (rtx_equal_p_cb): Likewise.
8790         (rtx_equal_p): Likewise.
8791         * rtlanal.c (reg_mentioned_p): Likewise.
8792         (rtx_referenced_p): Likewise.
8793         (get_condition): Likewise.
8794         * varasm.c (const_hash_1): Likewise.
8795         (compare_constant): Likewise.
8796         (const_rtx_hash_1): Likewise.
8797         (output_constant_pool_1): Likewise.
8799 2016-10-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
8801         PR target/71627
8802         * reload.c (find_valid_class_1): Allow regclass if atleast one
8803         regno in regclass is ok. Compute and use rclass size based on
8804         actually available regnos for mode in rclass.
8806 2016-10-21  Eric Botcazou  <ebotcazou@adacore.com>
8808         * config/sparc/sparc-modes.def (CCV): New.
8809         (CCXV): Likewise.
8810         * config/sparc/predicates.md (v_comparison_operator): New.
8811         (icc_comparison_operator): Add support for CCV/CCXV.
8812         (xcc_comparison_operator): Likewise.
8813         * config/sparc/sparc.c (output_cbranch): Likewise.
8814         (sparc_print_operand): Likewise.
8815         * config/sparc/sparc.md (UNSPEC_{ADD,SUB,NEG}V): New constants.
8816         (uaddvdi4): New expander.
8817         (addvdi4): Likewise.
8818         (uaddvdi4_sp32): New instruction.
8819         (addvdi4_sp32): Likewise.
8820         (uaddvsi4): New expander.
8821         (addvsi4): Likewise.
8822         (cmp_ccc_plus_sltu_set): New instruction.
8823         (cmp_ccv_plus): Likewise.
8824         (cmp_ccxv_plus): Likewise.
8825         (cmp_ccv_plus_set): Likewise.
8826         (cmp_ccxv_plus_set): Likewise.
8827         (cmp_ccv_plus_sltu_set): Likewise.
8828         (uaddvdi4): New expander.
8829         (subvdi4): Likewise.
8830         (usubdi4_sp32): New instruction.
8831         (subvdi4_sp32): Likewise.
8832         (usubvsi4): New expander.
8833         (subvsi4): Likewise.
8834         (cmpsi_minus_sltu_set): New instruction.
8835         (cmp_ccv_minus): Likewise.
8836         (cmp_ccxv_minus): Likewise.
8837         (cmp_ccv_minus_set): Likewise.
8838         (cmp_ccxv_minus_set): Likewise.
8839         (cmp_ccv_minus_sltu_set): Likewise.
8840         (unegvdi3): New expander.
8841         (negvdi3): Likewise.
8842         (unegdi3_sp32): New instruction.
8843         (negvdi3_sp32): Likewise.
8844         (unegvsi3): New expander.
8845         (negvsi3): Likewise.
8846         (cmp_ccc_neg_sltu_set): New instruction.
8847         (cmp_ccv_neg): Likewise.
8848         (cmp_ccxv_neg): Likewise.
8849         (cmp_ccv_neg_set): Likewise.
8850         (cmp_ccxv_neg_set): Likewise.
8851         (cmp_ccv_neg_sltu_set): Likewise.
8853         * tree-ssa-loop-split.c: Remove trailing spaces.
8854         * match.pd: Likewise.
8856 2016-10-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8858         PR rtl-optimization/78038
8859         * ree.c (get_defs): Return NULL if a defining insn for REG cannot
8860         be deduced to set REG through the RTL structure.
8861         (make_defs_and_copies_lists): Return false on a failing get_defs call.
8863 2016-10-21  Richard Biener  <rguenther@suse.de>
8865         PR tree-optimization/78051
8866         * tree-vrp.c (evrp_dom_walker::before_dom_children): Update stmt
8867         and mark replaced if folding did something.
8869 2016-10-21  David Edelsohn  <dje.gcc@gmail.com>
8871         * config/rs6000/rs6000.c (rs6000_assemble_visibility): Swap "internal"
8872         and "protected" in visibility types.
8873         (rs6000_xcoff_declare_function_name): Fix formatting.
8874         (rs6000_xcoff_declare_object_name): Fix formatting.
8876 2016-10-21  Uros Bizjak  <ubizjak@gmail.com>
8878         * config/i386/i386.c (ix86_fold_builtin): Handle IX86_BUILTIN_INFQ
8879         and IX86_BUILTIN_HUGE_VALQ here ...
8880         (ix86_expand_builtin): ... not here.
8882 2016-10-20  Jakub Jelinek  <jakub@redhat.com>
8884         * doc/gty.texi (for_user): Use @item next to @findex.
8886 2016-10-20  Uros Bizjak  <ubizjak@gmail.com>
8888         PR target/78037
8889         * config/i386/bmiintrin.h (__tzcnt_u16): Call __builtin_ia32_tzcnt_u16.
8890         (__tzcnt_u32, _tzcnt_u32): Call __builtin_ia32_tzcnt_u32.
8891         (__tzcnt_u64, _tzcnt_u64): Call __builtin_ia32_tzcnt_u64.
8892         * config/i386/lzcntintrin.h (__lzcnt_u16): Call
8893         __builtin_ia32_lzcnt_u16.
8894         (__lzcnt_u32, _lzcnt_u32): Call __builtin_ia32_lzcnt_u32.
8895         (__lzcnt_u64, _lzcnt_u64): Call __builtin_ia32_lzcnt_u64.
8896         * config/i386/i386.md (UNSPEC_LZCNT, UNSPEC_TZCNT): New unspecs.
8897         (ctz<mode>2, *ctz<mode>2): Use SWI48 mode iterator.
8898         (bmi_tzcnt_<mode>): New expander.
8899         (*bmi_tzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
8900         (*bmi_tzcnt_<mode>_falsedep, *bmi_tzcnt_<mode>): New insn patterns.
8901         (clz<mode>2_lzcnt, *clz<mode>2_lzcnt): Use SWI48 mode iterator.
8902         (lzcnt_<mode>): New expander.
8903         (*lzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
8904         (*lzcnt_<mode>_falsedep, *lzcnt_<mode>): New insn patterns.
8905         * config/i386/i386-builtin-types.def (UINT_FTYPE_UINT): New.
8906         (UINT64_FTYPE_UINT64): New.
8907         * config/i386/i386-builtin.def (__builtin_clzs): Remove description.
8908         (__builtin_ia32_lzcnt_u16): New description.
8909         (__builtin_ia32_lzcnt_u32): Ditto.
8910         (__builtin_ia32_lzcnt_u64): Ditto.
8911         (__builtin_ctzs): Remove description.
8912         (__builtin_ia32_tzcnt_u16): New description.
8913         (__builtin_ia32_tzcnt_u32): Ditto.
8914         (__builtin_ia32_tzcnt_u64): Ditto.
8915         * config/i386/i386.c (ix86_expand_args_builtin): Handle
8916         UINT_FTYPE_UINT and UINT64_FTYPE_UINT64.
8918 2016-10-20  Martin Liska  <mliska@suse.cz>
8920         PR lto/78049
8921         * lto-streamer-in.c (fixup_call_stmt_edges_1): Replace value
8922         comparison with STMT_UID_NOT_IN_RANGE.
8923         (fixup_call_stmt_edges): Do not fixup edges of a thunk in
8924         LTRANS.
8926 2016-10-20  Eric Botcazou  <ebotcazou@adacore.com>
8928         * compare-elim.c (conforming_compare): Accept UNSPECs.
8929         (find_comparison_dom_walker::before_dom_children): Deal with
8930         instructions both using and killing the flags register.
8931         (equivalent_reg_at_start): New function extracted from...
8932         (try_eliminate_compare): ...here.  Use it and add support for
8933         registers and UNSPECs as second operand of the compare.
8934         * config/visium/visium-modes.def (CCV): New.
8935         * config/visium/predicates.md (visium_v_comparison_operator): New.
8936         (visium_branch_operator): Deal with CCV mode.
8937         * config/visium/visium.c (visium_select_cc_mode): Likewise.
8938         (output_cbranch): Likewise.
8939         * config/visium/visium.md (UNSPEC_{ADD,SUB,NEG}V): New constants.
8940         (uaddv<mode>4): New expander.
8941         (addv<mode>4): Likewise.
8942         (add<mode>3_insn_set_carry): New instruction.
8943         (add<mode>3_insn_set_overflow): Likewise.
8944         (addsi3_insn_set_overflow): Likewise.
8945         (usubv<mode>4): New expander.
8946         (subv<mode>4): Likewise.
8947         (sub<mode>3_insn_set_carry): New instruction.
8948         (sub<mode>3_insn_set_overflow): Likewise.
8949         (subsi3_insn_set_overflow): Likewise.
8950         (unegv<mode>3): New expander.
8951         (negv<mode>3): Likewise.
8952         (neg<mode>2_insn_set_overflow): New instruction.
8953         (addv_tst<mode>): Likewise.
8954         (subv_tst<mode>): Likewise.
8955         (negv_tst<mode>): Likewise.
8956         (cbranch<mode>4_addv_insn): New splitter and instruction.
8957         (cbranch<mode>4_subv_insn): Likewise.
8958         (cbranch<mode>4_negv_insn): Likewise.
8960 2016-10-20  Richard Biener  <rguenther@suse.de>
8962         * tree-ssa-alias.c (ptrs_compare_unequal): Remove code duplication.
8963         Handle decls possibly not bound.
8964         * tree-ssa-structalias.c (get_constraint_for_ssa_var): Add
8965         nothing_id for decls that might not be bound if we are interested
8966         for the address.
8967         (get_constraint_for_component_ref): Deal with that.
8969 2016-10-20  Michael Matz  <matz@suse.de>
8971         Loop splitting.
8972         * common.opt (-fsplit-loops): New flag.
8973         * passes.def (pass_loop_split): Add.
8974         * opts.c (default_options_table): Add OPT_fsplit_loops entry at -O3.
8975         (enable_fdo_optimizations): Add loop splitting.
8976         * timevar.def (TV_LOOP_SPLIT): Add.
8977         * tree-pass.h (make_pass_loop_split): Declare.
8978         * tree-ssa-loop-manip.h (rewrite_into_loop_closed_ssa_1): Declare.
8979         * tree-ssa-loop-unswitch.c: Include tree-ssa-loop-manip.h,
8980         * tree-ssa-loop-split.c: New file.
8981         * Makefile.in (OBJS): Add tree-ssa-loop-split.o.
8982         * doc/invoke.texi (fsplit-loops): Document.
8983         * doc/passes.texi (Loop optimization): Add paragraph about loop
8984         splitting.
8986 2016-10-20  Richard Biener  <rguenther@suse.de>
8988         * cgraphunit.c (analyze_functions): Set node->definition to
8989         false to signal symbol removal to debug_hooks->late_global_decl.
8990         * ipa.c (symbol_table::remove_unreachable_nodes): When not in
8991         WPA signal symbol removal to the debuginfo machinery.
8992         * dwarf2out.c (dwarf2out_late_global_decl): Instead of
8993         using early_finised to guard the we're called for symbol
8994         removal case look at the symtabs definition flag.
8995         (gen_variable_die): Remove redundant check.
8997 2016-10-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8999         * config/s390/s390.md ("prefetch"): Add fallthrough comment.
9001 2016-10-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9003         PR tree-optimization/53979
9004         * match.pd ((a ^ b) | a -> a | b): New pattern.
9006 2016-10-19  John David Anglin  <danglin@gcc.gnu.org>
9008         * config/pa/pa64-hpux.h (PA_INIT_FRAME_DUMMY_ASM_OP): Move to
9009         config/pa/pa64-hpux-lib.h.
9010         (PA_CRTBEGIN_HACK): Likewise.
9011         (DTOR_LIST_BEGIN): Likewise.
9013 2016-10-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9015         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): Clear the result
9016         register only if "in" and "out" are different registers.
9018 2016-10-19  Eric Botcazou  <ebotcazou@adacore.com>
9020         * omp-low.c (pass_oacc_device_lower::gate): New method.
9021         (execute): Always call execute_oacc_device_lower.
9023 2016-10-19  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9025         PR tree-optimization/77916
9026         PR tree-optimization/77937
9027         * gimple-ssa-strength-reduction.c (analyze_increments): Remove
9028         stopgap fix.
9029         (insert_initializers): Requirement of initializer for -1 should be
9030         based on pointer-typedness of the candidate basis.
9032 2016-10-19  Bin Cheng  <bin.cheng@arm.com>
9034         PR tree-optimization/78005
9035         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Compute
9036         upper (included) bound for niters of prolog loop.
9037         (vect_gen_scalar_loop_niters): Change parameter VF to VFM1.
9038         Compute niters of scalar loop above which vectorized loop is
9039         preferred, as well as the upper (included) bound for the niters.
9040         (vect_do_peeling): Record niter bound for loops accordingly.
9042 2016-10-19  Thomas Schwinge  <thomas@codesourcery.com>
9044         PR lto/77458
9045         * tree-core.h (enum tree_index): Put the complex types after their
9046         component types.
9047         * tree-streamer.c (verify_common_node_recorded): New function.
9048         (preload_common_nodes) <TREE_CODE (node) == COMPLEX_TYPE>: Use it.
9050 2016-10-19  Martin Liska  <mliska@suse.cz>
9052         * cgraph.h (cgraph_edge::binds_to_current_def_p):
9053         Replace NULL with false as a return value.
9055 2016-10-19  Thomas Schwinge  <thomas@codesourcery.com>
9057         PR tree-optimization/78024
9058         * omp-low.c (oacc_loop_discovery): Call clear_bb_flags before, and
9059         don't clear BB_VISITED after processing.
9061 2016-10-19  Richard Biener  <rguenther@suse.de>
9063         * domwalk.c (dom_walker::walk): Use RPO order.
9065 2016-10-19  Richard Biener  <rguenther@suse.de>
9067         * tree-vrp.c (evrp_dom_walker::evrp_dom_walker): Initialize
9068         stmts_to_remove.
9069         (evrp_dom_walker::~evrp_dom_walker): Free it.
9070         (evrp_dom_walker::stmts_to_remove): Add.
9071         (evrp_dom_walker::before_dom_children): Mark PHIs and stmts
9072         whose output we fully propagate for removal.  Propagate
9073         into BB destination PHI arguments.
9074         (execute_early_vrp): Remove queued stmts.  Dump value ranges
9075         before stmt removal.
9077 2016-10-18  Aldy Hernandez  <aldyh@redhat.com>
9079         * Makefile.in (OBJS): Add gimple-ssa-warn-alloca.o.
9080         * passes.def: Add two instances of pass_walloca.
9081         * tree-pass.h (make_pass_walloca): New.
9082         * gimple-ssa-warn-alloca.c: New file.
9083         * doc/invoke.texi: Document -Walloca, -Walloca-larger-than=, and
9084         -Wvla-larger-than= options.
9086 2016-10-18  Thomas Schwinge  <thomas@codesourcery.com>
9088         * cfg.c (clear_bb_flags): Use FOR_ALL_BB_FN.
9089         * config/nvptx/nvptx.c (nvptx_find_sese): Likewise.
9091 2016-10-18  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9093         * config/rs6000/altivec.h (vec_xl_len): New macro.
9094         (vec_xst_len): New macro.
9095         (vec_cmpnez): New macro.
9096         (vec_cntlz_lsbb): New macro.
9097         (vec_cnttz_lsbb): New macro.
9098         (vec_xlx): New macro.
9099         (vec_xrx): New macro.
9100         (vec_all_nez): New C++ predicate template.
9101         (vec_any_eqz): New C++ predicate template.
9102         (vec_all_ne): Revised C++ predicate template under _ARCH_PWR9
9103         conditional compilation.
9104         (vec_any_eq): Revised C++ predicate template under _ARCH_PWR9
9105         conditional compilation.
9106         (vec_all_nez): New macro.
9107         (vec_any_eqz): New macro.
9108         (vec_all_ne): Revised macro under _ARCH_PWR9 conditional
9109         compilation.
9110         (vec_any_eq): Revised macro under _ARCH_PWR9 conditional
9111         compilation.
9112         * config/rs6000/vector.md (VI): Moved this mode iterator
9113         definition from altivec.md to vector.md.
9114         (UNSPEC_NEZ_P): New value.
9115         (vector_ne_<mode>_p): New expansion for implementation of
9116         vec_all_ne and vec_any_eq built-in functions.
9117         (vector_nez_<mode>_p): New expansion for implementation of
9118         vec_all_nez and vec_any_eqz built-in functions.
9119         (vector_ne_v2di_p): New expansion for implementation of vec_all_ne
9120         and vec_any_eq built-in function.
9121         (cr6_test_for_zero): New commentary to explain this expansion.
9122         (cr6_test_for_zero_reverse): New commentary to explain this expansion.
9123         (cr6_test_for_lt): New commentary to explain this expansion.
9124         (cr6_test_for_lt_reverse): New commentary to explain this
9125         expansion.
9126         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9127         overloaded function prototypes for vec_all_ne, vec_all_nez,
9128         vec_any_eq, vec_any_eqz, vec_cmpnez, vec_cntlz_lsbb,
9129         vec_cnttz_lsbb, vec_xl_len, vec_xst_len, vec_xlx, and vec_xrx
9130         built-in functions.
9131         (altivec_resolve_overloaded_builtin): Modify the handling of
9132         ALTIVEC_BUILTIN_VEC_CMPNE to use the Power9 instructions when
9133         the compiler is configured to support TARGET_P9_VECTOR.
9134         * config/rs6000/rs6000-builtin.def (BU_ALTIVEC_P): Add commentary
9135         to explain the special processing that is given to predicate
9136         built-ins introduced using this macro.
9137         (BU_ALTIVEC_OVERLOAD_P): Add commentary to alert maintainers to
9138         the special processing given to predicate built-ins introduced
9139         using this macro.
9140         (BU_VSX_P): Likewise.
9141         (BU_P8V_AV_P): Likewise.
9142         (BU_P9V_AV_P): Likewise.
9143         (BU_P9V_AV_X): New macro.
9144         (BU_P9V_64BIT_AV_X): New macro.
9145         (BU_P9V_VSX_3): New macro.
9146         (BU_P9V_OVERLOAD_P): New macro.
9147         (LXVL): New BU_P9V_64BIT_VSX_2.
9148         (VEXTUBLX): New BU_P9V_AV_2.
9149         (VEXTUBRX): Likewise.
9150         (VEXTUHLX): Likewise.
9151         (VEXTUHRX): Likewise.
9152         (VEXTUWLX): Likewise.
9153         (VEXTUWRX): Likewise.
9154         (STXVL): New BU_P9V_64BIT_AV_X.
9155         (VCLZLSBB): New BU_P9V_AV_1.
9156         (VCTZLSBB): Likewise.
9157         (CMPNEB): New BU_P9V_AV_2.
9158         (CMPNEH): Likewise.
9159         (CMPNEW): Likewise.
9160         (CMPNEF): Likewise.
9161         (CMPNED): Likewise.
9162         (VCMPNEB_P): New BU_P9V_AV_P.
9163         (VCMPNEH_P): Likewise.
9164         (VCMPNEW_P): Likewise.
9165         (VCMPNED_P): Likewise.
9166         (VCMPNEFP_P): Likewise.
9167         (VCMPNEDP_P): Likewise.
9168         (CMPNEZB): New BU_P9V_AV_2.
9169         (CMPNEZH): Likewise.
9170         (CMPNEZW): Likewise.
9171         (VCMPNEZB_P): New BU_P9V_AV_P.
9172         (VCMPNEZH_P): Likewise.
9173         (VCMPNEZW_P): Likewise.
9174         (LXVL): New BU_P9V_OVERLOAD_2.
9175         (STXVL): New BU_P9V_OVERLOAD_3.
9176         (VEXTULX): New BU_P9V_OVERLOAD_2.
9177         (VEXTURX): Likewise.
9178         (CMPNEZ): Likewise.
9179         (VCMPNEZ_P): New BU_P9V_OVERLOAD_P.
9180         (VCMPNE_P): Likewise.
9181         (VCLZLSBB): New BU_P9V_OVERLOAD_1.
9182         (VCTZLSBB): Likewise.
9183         * config/rs6000/rs6000.c (altivec_expand_predicate_builtin): Add
9184         comment to explain mode used for scratch register.
9185         (altivec_expand_stxvl_builtin): New function.
9186         (altivec_expand_builtin): Add case for new constant P9V_BUILTIN_STXVL.
9187         (altivec_init_builtins): Add initialized variable
9188         void_ftype_v16qi_pvoid_long and use this type to define the
9189         built-in function __builtin_altivec_stxvl.
9190         * config/rs6000/vsx.md (UNSPEC_LXVL): New value.
9191         (UNSPEC_STXVL): New value.
9192         (UNSPEC_VCLZLSBB): New value.
9193         (UNSPEC_VCTZLSBB): New value.
9194         (UNSPEC_VEXTUBLX): New value.
9195         (UNSPEC_VEXTUHLX): New value.
9196         (UNSPEC_VEXTUWLX): New value.
9197         (UNSPEC_VEXTUBRX): New value.
9198         (UNSPEC_VEXTUHRX): New value.
9199         (UNSPEC_VEXTUWRX): New value.
9200         (UNSPEC_VCMPNEB): New value.
9201         (UNSPEC_VCMPNEZB): New value.
9202         (UNSPEC_VCMPNEH): New value.
9203         (UNSPEC_VCMPNEZH): New value.
9204         (UNSPEC_VCMPNEW): New value.
9205         (UNSPEC_VCMPNEZW): New value.
9206         (*vsx_ne_<mode>_p): New insn for vector test all not equal with
9207         vector of integer modes.
9208         (*vsx_ne_<mode>_p): New insn for vector test all not equal with
9209         vector of float or double modes.
9210         (*vector_nez_<mode>_p): New insn for vector test all not equal or
9211         zero.
9212         (lxvl): New expand for load VSX vector with length.
9213         (*lxvl): New insn for load VSX vector with length.
9214         (stxvl): New expand for store VSX vector with length.
9215         (*stxvl): New insn for store VSX vector with length.
9216         (vcmpneb): New insn for vector of byte compare not equal.
9217         (vcmpnezb): New insn for vector of byte compare not equal or zero.
9218         (vcmpneh): New insn for vector of half word compare not equal.
9219         (vcmpnezh): New insn for vector of half word compare not equal or
9220         zero.
9221         (vcmpnew): New insn for vector of word compare not equal.
9222         (vcmpne<VSs>): New insn for vector of float or double compare not
9223         equal.
9224         (vcmpnezw): New insn for vector of word compare not equal or zero.
9225         (vclzlsbb): New insn for vector count leading zero
9226         least-significant bits byte.
9227         (vctzlsbb): New insn for vector count trailing zero least
9228         signficant bits byte.
9229         (vextublx): New insn for vector extract unsigned byte left
9230         indexed.
9231         (vextubrx): New insn for vector extract unsigned byte right
9232         indexed.
9233         (vextuhlx): New insn for vector extract unsigned half word left
9234         indexed.
9235         (vextuhrx): New insn for vector extract unsigned half word right
9236         indexed.
9237         (vextuwlx): New insn for vector extract unsigned word left
9238         indexed.
9239         (vextuwrx): New insn for vector extract unsigned word right
9240         indexed.
9241         * config/rs6000/rs6000.h (RS6000_BTC_CONST): Enhance comment to
9242         clarify intent of this constant.
9243         * config/rs6000/altivec.md (VI): Move this mode iterator to vsx.md.
9244         * doc/extend.texi (PowerPC Altivec Built-in Functions): Add
9245         documentation for vec_all_nez, vec_any_eqz, vec_cmpnez,
9246         vec_cntlz_lsbb, vec_cnttz_lsbb, vec_xl_len, vec_xst_len, vec_xlx,
9247         and vec_xrx functions.
9249 2016-10-18  Andrew Pinski  <apinski@cavium.com>
9251         PR tree-opt/65950
9252         * predict.c (is_exit_with_zero_arg): New function.
9253         (tree_bb_level_predictions): Don't consider paths leading to exit(0)
9254         as nottaken.
9256 2016-10-18  Uros Bizjak  <ubizjak@gmail.com>
9258         PR target/77991
9259         * config/i386/i386.c (legitimize_tls_address)
9260         <case TLS_MODEL_INITIAL_EXEC>: For TARGET_64BIT || TARGET_ANY_GNU_TLS
9261         convert dest to Pmode if different than Pmode.
9263 2016-10-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9265         PR tree-optimization/77916
9266         * gimple-ssa-strength-reduction.c (analyze_increments): Reinstate
9267         stopgap fix, as pointers with -1 increment are still broken.
9269 2016-10-18  David Edelsohn  <dje.gcc@gmail.com>
9271         * config/rs6000/rs6000.c (rs6000_output_symbol_ref): Move storage
9272         mapping class decoration from here...
9273         (rs6000_xcoff_encode_section): ...to here.
9275         (rs6000_savres_strategy) [AIX,ELFv2]: Inline FPR save and restore
9276         if shrink-wrapping and optimizing for speed.
9278 2016-10-18  Richard Biener  <rguenther@suse.de>
9280         * tree-vrp.c (evrp_dom_walker::before_dom_children): Handle
9281         not visited but non-executable predecessors.  Return taken edge.
9282         Simplify conditions and refactor propagation vs. folding step.
9284 2016-10-18  Segher Boessenkool  <segher@kernel.crashing.org>
9286         * config/rs6000/rs6000.c (rs6000_savres_strategy): Do not select
9287         {SAVE,REST}_MULTIPLE if shrink-wrapping separate components.
9288         (rs6000_get_separate_components): Assert we do not have those
9289         strategies selected.
9291 2016-10-18  Richard Biener  <rguenther@suse.de>
9293         * tree-ssa-propagate.h (substitute_and_fold): Adjust prototype.
9294         * tree-ssa-propagate.c (ssa_prop_fini): Remove final BB_VISITED
9295         clearing.
9296         (substitute_and_fold_dom_walker): Adjust constructor.
9297         (substitute_and_fold_dom_walker::before_dom_children): Remove
9298         do_dce flag and handling (always true).
9299         (substitute_and_fold): Likewise.
9300         * tree-vrp.c (vrp_finalize): Adjust.
9301         (execute_early_vrp): Remove final BB_VISITED clearing.
9302         * tree-ssa-ccp.c (ccp_finalize): Adjust.
9303         * tree-ssa-copy.c (fini_copy_prop): Likewise.
9304         * ira.c (ira): Call clear_bb_flags.
9306 2016-10-18  Richard Biener  <rguenther@suse.de>
9308         * genmatch.c (dt_operand::gen_gimple_expr): Use get_name to
9309         get at the operand to look at with TREE_OPERAND for generic
9310         sub-nodes.
9312 2016-10-18  David Malcolm  <dmalcolm@redhat.com>
9314         * genattrtab.c (attr_string): Use rtx_reader_ptr for call to
9315         copy_md_ptr_loc.
9316         (gen_attr): Use rtx_reader_ptr for lookup_enum_type call.
9317         (write_test_expr): Use rtx_reader_ptr for calls to
9318         fprint_c_condition.
9319         (write_attr_value): Likewise.
9320         * genconditions.c (write_one_condition): Use rtx_reader_ptr for
9321         call to print_md_ptr_loc.
9322         (write_one_condition): Likewise for calls to print_c_condition.
9323         * genconstants.c: Include "statistics.h" and "vec.h".
9324         (main): Update for conversion to member functions.
9325         * genemit.c (emit_c_code): Use rtx_reader_ptr for
9326         call to print_md_ptr_loc.
9327         * genenums.c: Include "statistics.h" and "vec.h".
9328         (main): Update for conversion of traverse_enum_types to a method.
9329         * genmddeps.c: Include "statistics.h" and "vec.h".
9330         * genoutput.c (process_template): Use rtx_reader_ptr for call to
9331         print_md_ptr_loc.
9332         * genpreds.c (write_predicate_subfunction): Likewise.
9333         (write_predicate_expr): Likewise for calls to print_c_condition.
9334         * genrecog.c (print_test): Likewise.
9335         * gensupport.c (process_rtx): Likewise for calls to
9336         copy_md_ptr_loc and join_c_conditions.
9337         (alter_test_for_insn): Likewise for call to join_c_conditions.
9338         (process_substs_on_one_elem): Likewise.
9339         (gen_mnemonic_setattr): Update for move of string_obstack to a
9340         field of rtx_reader.
9341         (mnemonic_htab_callback): Likewise.  Fix formatting.
9342         (gen_mnemonic_attr): Likewise.
9343         * gentarget-def.c (def_target_insn): Use rtx_reader_ptr for calls
9344         to print_c_condition.
9345         * read-md.c: Include "statistics.h" and "vec.h".
9346         (string_obstack): Convert this global to field "m_string_obstack"
9347         of class rtx_reader.
9348         (ptr_locs): Likewise, as "m_ptr_locs".
9349         (ptr_loc_obstack): Likewise, as "m_ptr_loc_obstack".
9350         (joined_conditions): Likewise, as "m_joined_conditions".
9351         (joined_conditions_obstack): Likewise, as "m_joined_conditions_obstack".
9352         (md_constants): Likewise, as "m_md_constants".
9353         (enum_types): Likewise, as "m_enum_types".
9354         (set_md_ptr_loc): Convert to...
9355         (rtx_reader::set_md_ptr_loc): ...member function.
9356         (get_md_ptr_loc): Convert to...
9357         (rtx_reader::get_md_ptr_loc): ...member function.
9358         (copy_md_ptr_loc): Convert to...
9359         (rtx_reader::copy_md_ptr_loc): ...member function.
9360         (fprint_md_ptr_loc): Convert to...
9361         (rtx_reader::fprint_md_ptr_loc): ...member function.
9362         (print_md_ptr_loc): Convert to...
9363         (rtx_reader::print_md_ptr_loc): ...member function.
9364         (join_c_conditions): Convert to...
9365         (rtx_reader::join_c_conditions): ...member function.
9366         (fprint_c_condition): Convert to...
9367         (rtx_reader::fprint_c_condition): ...member function.
9368         (print_c_condition): Convert to...
9369         (rtx_reader::print_c_condition): ...member function.
9370         (read_name): Convert to...
9371         (rtx_reader::read_name): ...member function.
9372         (read_escape): Convert to...
9373         (rtx_reader::read_escape): ...member function.
9374         (read_quoted_string): Convert to...
9375         (rtx_reader::read_quoted_string): ...member function.
9376         (read_braced_string): Convert to...
9377         (rtx_reader::read_braced_string): ...member function.
9378         (read_string): Convert to...
9379         (rtx_reader::read_string): ...member function.
9380         (read_skip_construct): Convert to...
9381         (rtx_reader::read_skip_construct): ...member function.
9382         (handle_constants): Convert to...
9383         (rtx_reader::handle_constants): ...member function.
9384         (traverse_md_constants): Convert to...
9385         (rtx_reader::traverse_md_constants): ...member function.
9386         (handle_enum): Convert to...
9387         (rtx_reader::handle_enum): ...member function.
9388         (lookup_enum_type): Convert to...
9389         (rtx_reader::lookup_enum_type): ...member function.
9390         (traverse_enum_types): Convert to...
9391         (rtx_reader::traverse_enum_types): ...member function.
9392         (rtx_reader::rtx_reader): Move initializations
9393         of various former global data from rtx_reader::read_md_files to
9394         here, as fields, along with the call to unlock_std_streams.
9395         (rtx_reader::~rtx_reader): Clean up m_base_dir, and clean up
9396         the new fields.
9397         (rtx_reader::read_md_files): Move initializations of various
9398         global data from here to the ctor.
9399         * read-md.h (read_name): Convert to...
9400         (rtx_reader::read_name): ...member function.
9401         (rtx_reader::read_escape): New method decl.
9402         (read_quoted_string): Convert to...
9403         (rtx_reader::read_quoted_string): ...member function.
9404         (rtx_reader::read_braced_string): New method decl.
9405         (read_string): Convert to...
9406         (rtx_reader::read_string): ...member function.
9407         (rtx_reader::read_skip_construct): New method decl.
9408         (rtx_reader::set_md_ptr_loc): New method decl.
9409         (rtx_reader::get_md_ptr_loc): New method decl.
9410         (copy_md_ptr_loc): Convert to...
9411         (rtx_reader::copy_md_ptr_loc): ...member function.
9412         (fprint_md_ptr_loc): Convert to...
9413         (rtx_reader::fprint_md_ptr_loc): ...member function.
9414         (print_md_ptr_loc): Convert to...
9415         (rtx_reader::print_md_ptr_loc): ...member function.
9416         (rtx_reader::lookup_enum_type): New method decl.
9417         (rtx_reader::traverse_enum_types): New method decl.
9418         (rtx_reader::handle_constants): New method decl.
9419         (traverse_md_constants): Convert to...
9420         (rtx_reader::traverse_md_constants): ...member function.
9421         (rtx_reader::handle_enum): New method decl.
9422         (rtx_reader::join_c_conditions): New method decl.
9423         (fprint_c_condition): Convert to...
9424         (rtx_reader::fprint_c_condition): ...member function.
9425         (print_c_condition): Convert to...
9426         (rtx_reader::print_c_condition): ...member function.
9427         (rtx_reader::apply_iterator_to_string): New method decl.
9428         (rtx_reader::copy_rtx_for_iterators): New method decl.
9429         (rtx_reader::read_conditions): New method decl.
9430         (rtx_reader::record_potential_iterator_use): New method decl.
9431         (rtx_reader::read_mapping): New method decl.
9432         (rtx_reader::read_rtx): New method decl.
9433         (rtx_reader::read_rtx_code): New method decl.
9434         (rtx_reader::read_rtx_operand): New method decl.
9435         (rtx_reader::read_nested_rtx): New method decl.
9436         (rtx_reader::read_rtx_variadic): New method decl.
9437         (rtx_reader::get_string_obstack): New method.
9438         (rtx_reader::get_md_constants): New method.
9439         (string_obstack): Convert global variable decl to...
9440         (rtx_reader::m_string_obstack): ...this new field.
9441         (rtx_reader::m_ptr_locs): New field.
9442         (rtx_reader::m_ptr_loc_obstack): New field.
9443         (rtx_reader::m_joined_conditions): New field.
9444         (rtx_reader::m_joined_conditions_obstack): New field.
9445         (rtx_reader::m_md_constants): New field.
9446         (rtx_reader::m_enum_types): New field.
9447         * read-rtl.c (apply_iterator_to_string): Convert to...
9448         (rtx_reader::apply_iterator_to_string): ...member function.
9449         (copy_rtx_for_iterators): Convert to...
9450         (rtx_reader::copy_rtx_for_iterators): ...member function.
9451         (add_condition_to_string): Use rtx_reader_ptr for
9452         calls join_c_conditions.
9453         (apply_iterators): Use rtx_reader_ptr for calls to
9454         join_c_conditions and copy_rtx_for_iterators.
9455         (read_conditions): Convert to...
9456         (rtx_reader::read_conditions): ...member function.
9457         (record_potential_iterator_use): Convert to...
9458         (rtx_reader::record_potential_iterator_use): ...member function.
9459         (read_mapping): Convert to...
9460         (rtx_reader::read_mapping): ...member function.
9461         (read_subst_mapping): Use rtx_reader_ptr for read_string call.
9462         (read_rtx): Convert to...
9463         (rtx_reader::read_rtx): ...member function.
9464         (read_rtx_code): Convert to...
9465         (rtx_reader::read_rtx_code): ...member function.
9466         (read_rtx_operand): Convert to...
9467         (rtx_reader::read_rtx_operand): ...member function.  Update for move
9468         of string_obstack to a field.
9469         (read_nested_rtx): Convert to..
9470         (rtx_reader::read_nested_rtx): ...member function.
9471         (read_rtx_variadic): Convert to..
9472         (rtx_reader::read_rtx_variadic): ...member function.
9474 2016-10-18  Kugan Vivekanandarajah  <kuganv@linaro.org>
9476         * tree-vrp.c (get_value_range): Check get_ptr_nonnull.
9478 2016-10-18  Kugan Vivekanandarajah  <kuganv@linaro.org>
9480         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Set value range
9481         for pointer type too.
9482         (ipcp_update_vr): set_ptr_nonnull for pointer.
9484 2016-10-18  Kugan Vivekanandarajah  <kuganv@linaro.org>
9486         * tree-ssa-alias.h (pt_solution_singleton_or_null_p): Renamed from
9487         pt_solution_singleton_p.
9488         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Use renamed
9489         pt_solution_singleton_or_null_p from pt_solution_singleton_p.
9490         * tree-ssa-structalias.c (find_what_p_points_to): Preserve
9491         pointer nonnull computed by VRP.
9492         Also Conservatively set pt.null to 1.
9493         (pt_solution_reset): Conservatively set pt.null to 1.
9494         (pt_solution_singleton_or_null_p): Renamed from
9495         pt_solution_singleton_p.
9496         * tree-ssanames.h (set_ptr_nonnull): Declare.
9497         (get_ptr_nonnull): Likewise.
9498         * tree-ssanames.c (set_ptr_nonnull): New.
9499         (get_ptr_nonnull): Likewise.
9500         * tree-vrp.c (vrp_finalize): Set ptr that are nonnull.
9501         (evrp_dom_walker::before_dom_children): Likewise.
9503 2016-10-17  Eric Botcazou  <ebotcazou@adacore.com>
9505         * config/i386/i386.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Move to...
9506         * config/i386/i386.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): ...here.
9507         * config/ia64/ia64.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Move to...
9508         * config/ia64/ia64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): ...here.
9509         * config/rs6000/rs6000.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Move to.
9510         * config/rs6000/rs6000.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): ...here.
9511         (rs6000_option_override_internal): Clear it if ABI_AIX.
9512         * config/sparc/sparc.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Move to...
9513         * config/sparc/sparc.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): ... here.
9515 2016-10-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9517         * gimple-ssa-strength-reduction.c (record_increment): Remove
9518         garbage comment.
9520 2016-10-17  Eric Botcazou  <ebotcazou@adacore.com>
9522         * expmed.c (expand_shift_1): Add MAY_FAIL parameter and do not assert
9523         that the result is non-zero if it is true.
9524         (maybe_expand_shift): New wrapper around expand_shift_1.
9525         (emit_store_flag): Call maybe_expand_shift in lieu of expand_shift.
9527 2016-10-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9529         PR tree-optimization/77916
9530         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
9531         Don't allow a MINUS_EXPR for pointer arithmetic for either known
9532         or unknown strides.
9533         (record_increment): Increments of -1 for unknown strides just use
9534         a multiply initializer like other negative values.
9535         (analyze_increments): Remove stopgap solution for -1 increment
9536         applied to pointer arithmetic.
9538 2016-10-17  Yuri Rumyantsev  <ysrumyan@gmail.com>
9540         * dominance.c (dom_info::dom_info): Add new constructor for region
9541         which is vector of basic blocks.
9542         (dom_init): New method to initialize members common for both
9543         constructors.
9544         (dom_info::dom_info): Invoke dom_init for partial initialization.
9545         (dom_info::get_idom): Add check to corner cases on basic blocks which
9546         are not in region.
9547         (dom_info::calc_dfs_tree): Check M_FAKE_EXIT_EDGE instead of M_REVERSE
9548         to detect unreachable bbs.
9549         (dom_info::calc_idoms): Likewise.
9550         (compute_dom_fast_query_in_region): New function.
9551         (calculate_dominance_info_for_region): Likewise.
9552         (free_dominance_info_for_region): Likewise.
9553         * dominance.h: Add prototypes for introduced region-based functions
9554         * tree-if-conv.c (build_region): New function.
9555         (if_convertible_loop_p_1): Invoke local version of post-dominators
9556         calculation before basic block predication with subsequent freeing
9557         post-dominator info.
9558         (tree_if_conversion): Remove free of post-dominator info
9559         (pass_if_conversion::execute): Delete detection of infinite loops
9560         and fake edges to exit block since post-dominator calculation is
9561         performed per if-converted loop only.
9563 2016-10-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9565         PR target/77308
9566         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): Clear the result
9567         register explicitly.
9568         * config/arm/arm.md (ashldi3, ashrdi3, lshrdi3): Don't FAIL if
9569         optimizing for size.
9571 2016-10-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9573         * config/aarch64/aarch64.c: Delete inclusion of
9574         cortex-a57-fma-steering.h.
9575         (aarch64_override_options): Delete call
9576         to aarch64_register_fma_steering.
9577         * config/aarch64/aarch64-protos.h (make_pass_fma_steering): Declare.
9578         * config/aarch64/cortex-a57-fma-steering.h: Delete.
9579         * config/aarch64/aarch64-passes.def: New file.
9580         * config/aarch64/cortex-a57-fma-steering.c
9581         (aarch64_register_fma_steering): Delete definition.
9582         (make_pass_fma_steering): Remove static qualifier.
9583         * config/aarch64/t-aarch64 (PASSES_EXTRA): New directive.
9584         (cortex-a57-fma-steering.o): Remove dependency on
9585         cortex-a57-fma-steering.h.
9587 2016-10-17  Eric Botcazou  <ebotcazou@adacore.com>
9589         * explow.c (validize_mem): Do not modify the argument in-place.
9591 2016-10-17  Thomas Schwinge  <thomas@codesourcery.com>
9593         * tree-streamer.c (record_common_node): Explicitly list expected
9594         tree codes.
9596 2016-10-17  Richard Biener  <rguenther@suse.de>
9598         PR tree-optimization/77988
9599         * tree-vrp.c (remove_range_assertions): Use replace_uses_by.
9601 2016-10-17  Marek Polacek  <polacek@redhat.com>
9603         * Makefile.in (C_COMMON_OBJS): Add c-family/c-attribs.o.
9605 2016-10-17  Richard Biener  <rguenther@suse.de>
9607         * bb-reorder.c (reorder_basic_blocks_simple): Clear BB_VISITED
9608         before using it.
9610 2016-10-17  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9612         PR tree-optimization/71636
9613         * match.pd (x & ((1 << b) - 1) -> x & ~(~0 << b)): New pattern.
9615 2016-10-17  Richard Biener  <rguenther@suse.de>
9617         * gimplify.c (gimplify_function_tree): Do not move the outer
9618         binds block.
9620 2016-10-17  Jakub Jelinek  <jakub@redhat.com>
9622         * langhooks.h (struct lang_hooks_for_decls): Remove
9623         function_decl_explicit_p, function_decl_deleted_p and
9624         function_decl_defaulted hooks.  Add decl_dwarf_attribute hook.
9625         * langhooks-def.h (lhd_decl_dwarf_attribute): Declare.
9626         (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
9627         LANG_HOOKS_FUNCTION_DECL_DELETED_P,
9628         LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
9629         (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Define.
9630         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
9631         LANG_HOOKS_FUNCTION_DECL_DELETED_P and
9632         LANG_HOOKS_FUNCTION_DECL_DEFAULTED.  Add
9633         LANG_HOOKS_DECL_DWARF_ATTRIBUTE.
9634         * langhooks.c (lhd_decl_dwarf_attribute): New function.
9635         * dwarf2out.c (gen_subprogram_die): Use
9636         lang_hooks.decls.decl_dwarf_attribute instead of
9637         lang_hooks.decls.function_decl_*.
9639 2016-10-16  Eric Botcazou  <ebotcazou@adacore.com>
9641         PR ada/37139
9642         PR ada/67205
9643         * common.opt (-ftrampolines): New option.
9644         * doc/invoke.texi (Code Gen Options): Document it.
9645         * doc/tm.texi.in (Trampolines): Add TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
9646         * doc/tm.texi: Regenerate.
9647         * builtins.def: Add init_descriptor and adjust_descriptor.
9648         * builtins.c (expand_builtin_init_trampoline): Do not issue a warning
9649         on platforms with descriptors.
9650         (expand_builtin_init_descriptor): New function.
9651         (expand_builtin_adjust_descriptor): Likewise.
9652         (expand_builtin) <BUILT_IN_INIT_DESCRIPTOR>: New case.
9653         <BUILT_IN_ADJUST_DESCRIPTOR>: Likewise.
9654         * calls.c (prepare_call_address): Remove SIBCALLP parameter and add
9655         FLAGS parameter.  Deal with indirect calls by descriptor and adjust.
9656         Set STATIC_CHAIN_REG_P on the static chain register, if any.
9657         (call_expr_flags): Set ECF_BY_DESCRIPTOR for calls by descriptor.
9658         (expand_call): Likewise.  Move around call to prepare_call_address
9659         and pass all flags to it.
9660         * cfgexpand.c (expand_call_stmt): Reinstate CALL_EXPR_BY_DESCRIPTOR.
9661         * gimple.h (enum gf_mask): New GF_CALL_BY_DESCRIPTOR value.
9662         (gimple_call_set_by_descriptor): New setter.
9663         (gimple_call_by_descriptor_p): New getter.
9664         * gimple.c (gimple_build_call_from_tree): SetCALL_EXPR_BY_DESCRIPTOR.
9665         (gimple_call_flags): Deal with GF_CALL_BY_DESCRIPTOR.
9666         * langhooks.h (struct lang_hooks): Add custom_function_descriptors.
9667         * langhooks-def.h (LANG_HOOKS_CUSTOM_FUNCTION_DESCRIPTORS): Define.
9668         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_CUSTOM_FUNCTION_DESCRIPTORS.
9669         * rtl.h (STATIC_CHAIN_REG_P): New macro.
9670         * rtlanal.c (find_first_parameter_load): Skip static chain registers.
9671         * target.def (custom_function_descriptors): New POD hook.
9672         * tree.h (FUNC_ADDR_BY_DESCRIPTOR): New flag on ADDR_EXPR.
9673         (CALL_EXPR_BY_DESCRIPTOR): New flag on CALL_EXPR.
9674         * tree-core.h (ECF_BY_DESCRIPTOR): New mask.
9675         Document FUNC_ADDR_BY_DESCRIPTOR and CALL_EXPR_BY_DESCRIPTOR.
9676         * tree.c (make_node_stat) <tcc_declaration>: Use FUNCTION_ALIGNMENT.
9677         (build_common_builtin_nodes): Initialize init_descriptor and
9678         adjust_descriptor.
9679         * tree-nested.c: Include target.h.
9680         (struct nesting_info): Add 'any_descr_created' field.
9681         (get_descriptor_type): New function.
9682         (lookup_element_for_decl): New function extracted from...
9683         (create_field_for_decl): Likewise.
9684         (lookup_tramp_for_decl): ...here.  Adjust.
9685         (lookup_descr_for_decl): New function.
9686         (convert_tramp_reference_op): Deal with descriptors.
9687         (build_init_call_stmt): New function extracted from...
9688         (finalize_nesting_tree_1): ...here.  Adjust and deal with descriptors.
9689         * defaults.h (FUNCTION_ALIGNMENT): Define.
9690         (TRAMPOLINE_ALIGNMENT): Set to above instead of FUNCTION_BOUNDARY.
9691         * config/i386/i386.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
9692         * config/ia64/ia64.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Likewise.
9693         * config/rs6000/rs6000.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS):Likewise.
9694         * config/sparc/sparc.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Likewise.
9696 2016-10-16  Eric Botcazou  <ebotcazou@adacore.com>
9698         * config/sparc/sparc.c (sparc_expand_vector_init): Only accept literal
9699         constants in CONST_VECTORs.
9701 2016-10-15  Eric Botcazou  <ebotcazou@adacore.com>
9703         * config/sparc/sparc.c (sparc_expand_vec_perm_bmask): Use a scratch
9704         register as destination of bmask.
9705         (vector_init_bshuffle): Likewise.
9706         * config/sparc/sparc.md (vec_perm_constv8qi): Likewise.
9707         (bmaskdi_vis): Enable only in 64-bit mode.
9709 2016-10-15  Segher Boessenkool  <segher@kernel.crashing.org>
9711         * config/rs6000/rs6000.c (rs6000_get_separate_components): Do not
9712         make LR a separately shrink-wrapped component unless savres_strategy
9713         contains all of {SAVE,REST}_INLINE_{GPRS,FPRS,VRS}.  Do not wrap
9714         GPRs unless both {SAVE,REST}_INLINE_GPRS.  Do not disallow all
9715         wrapping when not both {SAVE,REST}_INLINE_GPRS.
9717 2016-10-15  Eric Botcazou  <ebotcazou@adacore.com>
9719         * optabs.c (expand_parity): Fix mode mismatch, add final conversion
9720         and keep looping on failure.
9722 2016-10-14  David Malcolm  <dmalcolm@redhat.com>
9724         * print-rtl-function.c (print_edge): Omit "(flags)" when none are
9725         set.
9726         (print_rtx_function): Update example in comment for...
9727         * print-rtl.c (print_rtx_operand_code_r): In compact mode, print
9728         non-virtual pseudos with a '%' sigil followed by the regno, offset
9729         by (LAST_VIRTUAL_REGISTER + 1), so that the first non-virtual
9730         pseudo is dumped as "%0".
9732 2016-10-14  Jakub Jelinek  <jakub@redhat.com>
9734         PR middle-end/77959
9735         * expr.c (expand_expr_real_1) <case CONST_DECL>: For EXPAND_WRITE
9736         return a MEM.
9738 2016-10-14  Eric Botcazou  <ebotcazou@adacore.com>
9740         * config/sparc/sparc-passes.def: New file.
9741         * config/sparc/t-sparc (PASSES_EXTRA): Add sparc-passes.def.
9742         * config/sparc/sparc-protos.h (make_pass_work_around_errata): New.
9743         * config/sparc/sparc.c (sparc_option_override): Don't register passes.
9745 2016-10-14  Pat Haugen  <pthaugen@us.ibm.com>
9747         * loop-unroll.c (unroll_loop_runtime_iterations): Condition initial
9748         loop peel to loops with exit test at the beginning.
9750 2016-10-14  Pat Haugen  <pthaugen@us.ibm.com>
9752         PR rtl-optimization/68212
9753         * cfgloopmanip.c (duplicate_loop_to_header_edge): Use preheader edge
9754         frequency when computing scale factor for peeled copies.
9755         * loop-unroll.c (unroll_loop_runtime_iterations): Fix freq/count
9756         values for switch/peel blocks/edges.
9758 2016-10-14  Pedro Alves  <palves@redhat.com>
9760         * coretypes.h (OVERRIDE, FINAL): Delete, moved to include/ansidecl.h.
9762 2016-10-14  Catherine Moore  <clm@codesourcery.com>
9764         * config/mips/mips.c (mips_prepare_pch_save): Initialize
9765         micromips_globals to zero.
9767 2016-10-14  Richard Biener  <rguenther@suse.de>
9769         PR tree-optimization/77979
9770         * tree-vrp.c (compare_name_with_value): Handle released SSA names
9771         in the equivalency sets.
9772         (compare_names): Likewise.
9774 2016-10-14  Martin Liska  <mliska@suse.cz>
9776         * builtins.h(target_char_cst_p): Declare the function.
9777         * builtins.c (fold_builtin_memchr): Remove.
9778         (target_char_cst_p): Move the function from gimple-fold.c.
9779         (fold_builtin_3): Do not call the function.
9780         * gimple-fold.c (gimple_fold_builtin_memchr): New function.
9781         (gimple_fold_builtin): Call the function.
9782         * fold-const-call.c (fold_const_call_1): Handle CFN_BUILT_IN_MEMCHR.
9784 2016-10-14  Martin Liska  <mliska@suse.cz>
9786         * builtins.c (fold_builtin_strcmp): Remove function.
9787         (fold_builtin_strncmp): Likewise.
9788         (fold_builtin_2): Remove call of the function.
9789         (fold_builtin_3): Likewise.
9790         * fold-const-call.c (fold_const_call): Add constant folding
9791         for CFN_BUILT_IN_STRCASECMP and CFN_BUILT_IN_STRNCASECMP.
9792         * fold-const-call.h (build_cmp_result): Declare the function.
9793         * gimple-fold.c (gimple_load_first_char): New function.
9794         (gimple_fold_builtin_string_compare): Likewise.
9795         (gimple_fold_builtin): Call the function.
9797 2016-10-14  Nathan Sidwell  <nathan@acm.org>
9799         * gcov-io.c (gcov_open): Deconstify 'mode'.
9801 2016-10-14  Martin Liska  <mliska@suse.cz>
9803         * fold-const.c (c_getstr): Support of properly \0-terminated
9804         string constants.  New argument is added.
9805         * fold-const.h: New argument is added.
9807 2016-10-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9809         * config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch):
9810         New function.
9811         (aarch64_print_hint_for_core): Likewise.
9812         (aarch64_print_hint_for_arch): Likewise.
9813         (aarch64_validate_march): Use it.  Fix indentation in type signature.
9814         (aarch64_validate_mcpu): Use aarch64_print_hint_for_core_or_arch.
9815         (aarch64_validate_mtune): Likewise.
9816         (aarch64_handle_attr_arch): Likewise.
9817         (aarch64_handle_attr_cpu): Likewise.
9818         (aarch64_handle_attr_tune): Likewise.
9820 2016-10-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9822         * optabs.def: Remove optab function gen_int_libfunc for sdivmod_optab
9823         and udivmod_optab.
9825 2016-10-13  Andreas Schwab  <schwab@linux-m68k.org>
9827         * config/m68k/m68k.c (m68k_option_override): Check
9828         opt_fstack_limit_symbol_arg and opt_fstack_limit_register_no
9829         instead of stack_limit_rtx.
9831 2016-10-13  Jakub Jelinek  <jakub@redhat.com>
9833         * dwarf2out.c (gen_member_die): Handle inline static data member
9834         definitions.
9836 2016-10-13  Nathan Sidwell  <nathan@acm.org>
9838         * gcov-io.c (gcov_open): Fix documentation.  Simplify setting
9839         gcov_var.mode.  Remove unnecessary fstat.
9841 2016-10-13  Segher Boessenkool  <segher@kernel.crashing.org>
9843         PR bootstrap/77962
9844         * function.c (thread_prologue_and_epilogue_insns): Call all
9845         make_*logue_seq in the same order as traditional.  Call them
9846         all a second time if shrink_wrapped_separate.
9848 2016-10-13  Marek Polacek  <polacek@redhat.com>
9850         * Makefile.in (insn-attrtab.o-warn, insn-dfatab.o-warn,
9851         insn-latencytab.o-warn, insn-output.o-warn, insn-emit.o-warn): Don't
9852         use -Wno-error.
9854 2016-10-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9856         PR tree-optimization/77937
9857         * gimple-ssa-strength-reduction.c (analyze_increments): Set cost
9858         to infinite when we have a pointer with an increment of -1.
9860 2016-10-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9862         * coretypes.h: Move MEMMODEL_* macros and enum memmodel definition
9863         into ...
9864         * memmodel.h: This file.
9865         * alias.c, asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c,
9866           caller-save.c, calls.c, ccmp.c, cfgbuild.c, cfgcleanup.c,
9867           cfgexpand.c, cfgloopanal.c, cfgrtl.c, cilk-common.c, combine.c,
9868           combine-stack-adj.c, common/config/aarch64/aarch64-common.c,
9869           common/config/arm/arm-common.c, common/config/bfin/bfin-common.c,
9870           common/config/c6x/c6x-common.c, common/config/i386/i386-common.c,
9871           common/config/ia64/ia64-common.c, common/config/nvptx/nvptx-common.c,
9872           compare-elim.c, config/aarch64/aarch64-builtins.c,
9873           config/aarch64/aarch64-c.c, config/aarch64/cortex-a57-fma-steering.c,
9874           config/arc/arc.c, config/arc/arc-c.c, config/arm/arm-builtins.c,
9875           config/arm/arm-c.c, config/avr/avr.c, config/avr/avr-c.c,
9876           config/avr/avr-log.c, config/bfin/bfin.c, config/c6x/c6x.c,
9877           config/cr16/cr16.c, config/cris/cris.c, config/darwin-c.c,
9878           config/darwin.c, config/epiphany/epiphany.c,
9879           config/epiphany/mode-switch-use.c,
9880           config/epiphany/resolve-sw-modes.c, config/fr30/fr30.c,
9881           config/frv/frv.c, config/ft32/ft32.c, config/h8300/h8300.c,
9882           config/i386/i386-c.c, config/i386/winnt.c, config/iq2000/iq2000.c,
9883           config/lm32/lm32.c, config/m32c/m32c.c, config/m32r/m32r.c,
9884           config/m68k/m68k.c, config/mcore/mcore.c,
9885           config/microblaze/microblaze.c, config/mmix/mmix.c,
9886           config/mn10300/mn10300.c, config/moxie/moxie.c,
9887           config/msp430/msp430.c, config/nds32/nds32-cost.c,
9888           config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
9889           config/nds32/nds32-memory-manipulation.c,
9890           config/nds32/nds32-predicates.c, config/nds32/nds32.c,
9891           config/nios2/nios2.c, config/nvptx/nvptx.c, config/pa/pa.c,
9892           config/pdp11/pdp11.c, config/rl78/rl78.c, config/rs6000/rs6000-c.c,
9893           config/rx/rx.c, config/s390/s390-c.c, config/s390/s390.c,
9894           config/sh/sh.c, config/sh/sh-c.c, config/sh/sh-mem.cc,
9895           config/sh/sh_treg_combine.cc, config/sol2.c, config/spu/spu.c,
9896           config/stormy16/stormy16.c, config/tilegx/tilegx.c,
9897           config/tilepro/tilepro.c, config/v850/v850.c, config/vax/vax.c,
9898           config/visium/visium.c, config/vms/vms-c.c, config/xtensa/xtensa.c,
9899           coverage.c, cppbuiltin.c, cprop.c, cse.c, cselib.c, dbxout.c, dce.c,
9900           df-core.c, df-problems.c, df-scan.c, dojump.c, dse.c, dwarf2asm.c,
9901           dwarf2cfi.c, dwarf2out.c, emit-rtl.c, except.c, explow.c, expmed.c,
9902           expr.c, final.c, fold-const.c, function.c, fwprop.c, gcse.c,
9903           ggc-page.c, haifa-sched.c, hsa-brig.c, hsa-gen.c, hw-doloop.c,
9904           ifcvt.c, init-regs.c, internal-fn.c, ira-build.c, ira-color.c,
9905           ira-conflicts.c, ira-costs.c, ira-emit.c, ira-lives.c, ira.c, jump.c,
9906           loop-doloop.c, loop-invariant.c, loop-iv.c, loop-unroll.c,
9907           lower-subreg.c, lra.c, lra-assigns.c, lra-coalesce.c,
9908           lra-constraints.c, lra-eliminations.c, lra-lives.c, lra-remat.c,
9909           lra-spills.c, mode-switching.c, modulo-sched.c, omp-low.c, passes.c,
9910           postreload-gcse.c, postreload.c, predict.c, print-rtl-function.c,
9911           recog.c, ree.c, reg-stack.c, regcprop.c, reginfo.c, regrename.c,
9912           reload.c, reload1.c, reorg.c, resource.c, rtl-chkp.c, rtl-tests.c,
9913           rtlanal.c, rtlhooks.c, sched-deps.c, sched-rgn.c, sdbout.c,
9914           sel-sched-ir.c, sel-sched.c, shrink-wrap.c, simplify-rtx.c,
9915           stack-ptr-mod.c, stmt.c, stor-layout.c, target-globals.c,
9916           targhooks.c, toplev.c, tree-nested.c, tree-outof-ssa.c,
9917           tree-profile.c, tree-ssa-coalesce.c, tree-ssa-ifcombine.c,
9918           tree-ssa-loop-ivopts.c, tree-ssa-loop.c, tree-ssa-reassoc.c,
9919           tree-ssa-sccvn.c, tree-vect-data-refs.c, ubsan.c, valtrack.c,
9920           var-tracking.c, varasm.c: Include memmodel.h.
9921         * genattrtab.c (write_header): Include memmodel.h in generated file.
9922         * genautomata.c (main): Likewise.
9923         * gengtype.c (open_base_files): Likewise.
9924         * genopinit.c (main): Likewise.
9925         * genconditions.c (write_header): Include memmodel.h earlier in
9926         generated file.
9927         * genemit.c (main): Likewise.
9928         * genoutput.c (output_prologue): Likewise.
9929         * genpeep.c (main): Likewise.
9930         * genpreds.c (write_insn_preds_c): Likewise.
9931         * genrecog.c (write_header): Likewise.
9932         * Makefile.in (PLUGIN_HEADERS): Include memmodel.h
9934 2016-10-13  David Malcolm  <dmalcolm@redhat.com>
9936         * function-tests.c (selftest::test_expansion_to_rtl): Add "true"
9937         for new "compact" param of print_rtx_function.  Check for "cinsn"
9938         rather than "insn".
9939         * print-rtl-function.c (flag_compact): New decl.
9940         (print_rtx_function): Add param "compact" and use it to set
9941         flag_compact, adding a description of the effect to the leading
9942         comment, and updating the example output.
9943         * print-rtl.c (flag_compact): New variable.
9944         (print_rtx_operand_code_0): Omit the JUMP_LABEL reference in compact
9945         mode.
9946         (print_rtx_operand_code_i): When printing source locations, wrap
9947         xloc.file in quotes.  Don't print INSN_CODEs in compact mode.
9948         (print_rtx_operand_code_r): Don't print regnos for hard regs and
9949         virtuals in compact mode.
9950         (print_rtx_operand_code_u): Don't print insn UIDs in compact mode,
9951         apart from in LABEL_REFs.
9952         (print_rtx_operand): In case 'w', don't print in hex in compact mode.
9953         Don't print basic block ids in compact mode.
9954         (print_rtx):  In compact mode, prefix the code of insns with "c",
9955         only print the INSN_UID of CODE_LABELs, and omit their LABEL_NUSES.
9956         * print-rtl.h (print_rtx_function): Add "compact" param.
9958 2016-10-13  Richard Earnshaw  <rearnsha@arm.com>
9960         * arm.h (TARGET_VFP): Delete.
9961         (TARGET_VFPD32): Remove references to TARGET_VFP.
9962         (TARGET_VFP3, TARGET_VFP5): Likewise.
9963         (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Likewise.
9964         (TARGET_NEON_FP16): Likewise.
9965         (TARGET_FMA): Likewise.
9966         (TARGET_CRYPTO): Likewise.
9967         (TARGET_NEON): Likewise.
9968         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9969         (FUNCTION_ARG_REGNO_P): Likewise.
9970         * arm.c (arm_option_check_internal): Likewise.
9971         (arm_option_override): Likewise.
9972         (use_return_insn): Likewise.
9973         (arm_function_value_regno_p): Likewise.
9974         (arm_apply_result_size): Likewise.
9975         (use_vfp_abi): Likewise.
9976         (arm_legitimate_address_outer_p): Likewise.
9977         (thumb2_legitimate_address_p): Likewise.
9978         (arm_legitimate_index_p): Likewise.
9979         (thumb2_legitimate_index_p): Likewise.
9980         (arm_legitimate_address): Likewise.
9981         (arm_get_vfp_saved_size): Likewise.
9982         (arm_emit_vfp_multi_reg_pop): Likewise.
9983         (arm_get_frame_offsets): Likewise.
9984         (arm_save_coproc_regs): Likewise.
9985         (arm_hard_regno_mode_ok): Likewise.
9986         (arm_expand_epilogue_apcs_frame): Likewise.
9987         (arm_expand_epilogue): Likewise.
9988         (arm_file_start): Likewise.
9989         (arm_conditional_register_usage): Likewise.
9990         (arm_validize_comparison): Use vfp_compare_operand directly.
9991         * arm-builtins.c (arm_init_builtins): Remove references to TARGET_VFP.
9992         (arm_expand_vfp_builtin): Use TARGET_HARD_FLOAT for detecting
9993         unsupported usage.
9994         (arm_atomic_assign_expand_fenv): Likewise.
9995         * arm.md (divsf3): Likewise.
9996         (arm_negsi2): Likewise.
9997         (absdf2): Likewise.
9998         (arm_movdi): Likewise.
9999         (arm_movt): Likewise.
10000         (cbranchsf4): Change predicate to vfp_compare_operand.
10001         (cbranchdf4): Change predicate to vfp_compare_operand.
10002         (cstorehf4): Change predicate to vfp_compare_operand.
10003         (cstoresf4): Change predicate to vfp_compare_operand.
10004         (cstoredf4): Change predicate to vfp_compare_operand.
10005         (vfp_pop_multiple_with_writeback): Remove references to TARGET_VFP.
10006         (movhi_insn_arch4, movhi_bytes): Likewise.
10007         * constraints.md (Dt): Likewise.
10008         (Dp): Likewise.
10009         * iterators.md (SDF): Likewise.
10010         * predicates.md (arm_float_compare_operand): Delete.
10011         (const_double_vcvt_power_of_two_reciprocal): Remove references to
10012         TARGET_VFP.
10013         (const_double_vcvt_power_of_two): Likewise.
10014         * thumb2.md thumb2_movsi_insn): Likewise.
10015         * vfp.md (arm_movhi_vfp, thumb2_movhi_vfp): Likewise.
10016         (movhf_vfp): Likewise.
10017         (arm_movsi_vfp, thumb2_movsi_vfp): Likewise.
10018         (movdi_vfp, movdi_vfp_cortexa8): Likewise.
10019         (movsf_vfp, thumb2_movsf_vfp): Likewise.
10020         (movdf_vfp, thumb2_movdf_vfp): Likewise.
10021         (movsfcc_vfp, abssf2_vfp, negsf2_vfp, addsf3_vfp): Likewise.
10022         (subsf3_vfp, divsf3_vfp): Likewise.
10023         (mulsf3_vfp, mulsf3negsf_vfp, negmulsf3_vfp): Likewise.
10024         (mulsf3addsf_vfp, (mulsf3subsf_vfp, mulsf3negsfaddsf_vfp): Likewise.
10025         (mulsf3negsfsubsf_vfp): Likewise.
10026         (truncsisf2_vfp, fixuns_truncsfsi2, floatsisf2_vfp): Likewise.
10027         (floatunssisf2, sqrtsf2_vfp): Likewise.
10028         (movcc_vfp): Likewise.
10029         (cmpsf_split_vfp, cmpsf_trap_split_vfp): Likewise.
10030         (cmpsf_vfp, cmpsf_trap_vfp): Likewise.
10031         (push_multi_vfp): Likewise.
10032         (set_fpscr, get_fpscr): Likewise.
10033         * arm-c.c (arm_cpu_builtins): Unconditionally define __VFP_FP__.
10035 2016-10-13  Richard Earnshaw  <rearnsha@arm.com>
10037         * arm.h (TARGET_VFP): Unconditionally define to 1.
10038         (arm_fpu_desc): Remove 'model' field.
10039         (TARGET_FPU_MODEL): Delete.
10040         * arm.c (all_fpus): Don't initialize the model field.
10041         (arm_can_inline_p): Don't check the FPU model.
10042         * arm-fpus.def: Remove redundant model field from all FPU
10043         descriptions.
10045 2016-10-13  Richard Biener  <rguenther@suse.de>
10047         PR middle-end/77826
10048         * genmatch.c (struct capture): Add value_match member.
10049         (commutate): Preserve value_match.
10050         (lower_opt_convert): Likewise.
10051         (lower_cond): Likewise.
10052         (replace_id): Likewise.
10053         (struct dt_operand): Add value_match member.
10054         (decision_tree::cmp_node): Compare it.
10055         (decision_tree::insert_operand): Honor it when finding and
10056         when appending a DT_MATCH.
10057         (dt_operand::gen_match_op): Generate a type check after
10058         operand_equal_p if ! value_match for both GENERIC and GIMPLE.
10059         (parser::get_internal_capture_id): New helper.
10060         (parser::finish_match_operand): New function lowering @@<id>.
10061         (parser::parse_capture): Parse @@<id> as value-match.
10062         (parser::parse_expr): Use get_internal_capture_id.
10063         (parser::parse_simplify): Call finish_match_operand.
10064         (walk_captures): New helper.
10065         * match.pd (X - (X / Y) * Y -> X % Y): Use value-matching instead
10066         of operand_equal_p.
10067         ((X /[ex] A) * A -> X): Likewise.
10068         ((X | Y) ^ X -> Y & ~ X): Handle constants properly by using
10069         convert[12] and value-matching.
10070         ((A | B) & (A | C) ->  A | (B & C)): Likewise.
10071         ((X | Y) | Y -> X | Y): Likewise.
10072         ((X ^ Y) ^ Y -> X): Likewise.
10073         (A - (A & B) -> ~B & A): Likewise.
10074         ((T)(P + A) - (T)P -> (T) A): Likewise.
10075         ((T)P - (T)(P + A) -> -(T) A): Likewise.
10076         ((T)(P + A) - (T)(P + B) -> (T)A - (T)B): Likewise.
10077         * doc/match-and-simplify.texi: Amend capture section.
10079 2016-10-13  Claudiu Zissulescu  <claziss@synopsys.com>
10081         * config/arc/arc.md (umul_600): Remove predicated variant.
10082         (umul64_600): Likewise.
10084 2016-10-13  Claudiu Zissulescu  <claziss@synopsys.com>
10086         * config/arc/arc.h (INSN_LENGTH_ALIGNMENT): Change.
10088 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10090         * tree-vect-loop.c (loop_niters_no_overflow): New func.
10091         (vect_transform_loop): Call loop_niters_no_overflow.  Pass the
10092         no-overflow information to vect_do_peeling_for_loop_bound and
10093         vect_gen_vector_loop_niters.
10095 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10097         * tree-predcom.c (tree_predictive_commoning_loop): Skip loop that only
10098         iterates 1 time.
10100 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10102         * tree-vect-loop-manip.c (adjust_vec_debug_stmts): Don't release
10103         adjust_vec automatically.
10104         (slpeel_add_loop_guard): Remove param cond_expr_stmt_list.  Rename
10105         param exit_bb to guard_to.
10106         (slpeel_checking_verify_cfg_after_peeling):
10107         (set_prologue_iterations):
10108         (create_lcssa_for_virtual_phi): New func which is factored out from
10109         slpeel_tree_peel_loop_to_edge.
10110         (slpeel_tree_peel_loop_to_edge):
10111         (iv_phi_p): New func.
10112         (vect_can_advance_ivs_p): Call iv_phi_p.
10113         (vect_update_ivs_after_vectorizer): Call iv_phi_p.  Directly insert
10114         new gimple stmts in basic block.
10115         (vect_gen_niters_for_prolog_loop): Rename to...
10116         (vect_gen_prolog_loop_niters): ...Rename from.  Change parameters and
10117         adjust implementation.
10118         (vect_update_inits_of_drs): Fix code style issue.  Convert niters to
10119         sizetype if necessary.
10120         (vect_build_loop_niters): Move to here from tree-vect-loop.c.  Change
10121         it to external function.
10122         (vect_gen_scalar_loop_niters, vect_gen_vector_loop_niters): New.
10123         (vect_gen_vector_loop_niters_mult_vf): New.
10124         (slpeel_update_phi_nodes_for_loops): New.
10125         (slpeel_update_phi_nodes_for_guard1): Reimplement.
10126         (find_guard_arg, slpeel_update_phi_nodes_for_guard2): Reimplement.
10127         (slpeel_update_phi_nodes_for_lcssa, vect_do_peeling): New.
10128         * tree-vect-loop.c (vect_build_loop_niters): Move to file
10129         tree-vect-loop-manip.c
10130         (vect_generate_tmps_on_preheader): Delete.
10131         (vect_transform_loop): Rename vectorization_factor to vf.  Call
10132         vect_do_peeling instead of vect_do_peeling-* functions.
10133         * tree-vectorizer.h (vect_do_peeling): New decl.
10134         (vect_build_loop_niters, vect_gen_vector_loop_niters): New decls.
10135         (vect_do_peeling_for_loop_bound): Delete.
10136         (vect_do_peeling_for_alignment): Delete.
10138 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10140         * tree-vect-loop-manip.c (slpeel_tree_duplicate_loop_to_edge_cfg): Put
10141         duplicated loop after its preheader and after the original loop.
10143 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10145         * tree-vect-loop.c (vect_analyze_loop_2): Check and skip loop if it
10146         has no enough iterations for LOOP_VINFO_PEELING_FOR_GAPS.
10148 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10150         * tree-vect-loop.c (vectorizable_live_operation): Support handling
10151         for live variable outside loop but not in lcssa form.
10153 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10155         * cfg.c (reset_original_copy_tables): New func.
10156         * cfg.h (reset_original_copy_tables): New decl.
10158 2016-10-13  Jakub Jelinek  <jakub@redhat.com>
10160         PR c/77946
10161         * tree.h (FALLTHROUGH_LABEL_P): Use private_flag instead of
10162         public_flag.
10163         * varasm.c (default_binds_local_p_3): Formatting fix.
10165 2016-10-13  Bin Cheng  <bin.cheng@arm.com>
10167         * tree-vect-loop-manip.c (slpeel_can_duplicate_loop_p): Fix code
10168         style issue.
10169         (vect_do_peeling_for_loop_bound, vect_do_peeling_for_alignment):
10170         Remove useless code.
10172 2016-10-13  Martin Liska  <mliska@suse.cz>
10174         PR tree-optimization/77943
10175         * tree-ssa-tail-merge.c (merge_stmts_p): Do not merge BBs with
10176         a different EH landing pads.
10178 2016-10-13  Jakub Jelinek  <jakub@redhat.com>
10180         PR target/77957
10181         * hooks.h (hook_tree_void_null): Declare.
10182         * hooks.c (hook_tree_void_null): New function.
10183         * langhooks.c (lhd_return_null_tree_v): Remove.
10184         * langhooks-def.h (lhd_return_null_tree_v): Remove.
10185         * cfgexpand.c (stack_protect_prologue): If guard_decl is NULL,
10186         set y to const0_rtx.
10187         * function.c (stack_protect_epilogue): Likewise.
10188         * config/tilepro/tilepro.c (TARGET_STACK_PROTECT_GUARD): Redefine
10189         if TARGET_THREAD_SSP_OFFSET is defined.
10190         * config/s390/s390.c (TARGET_STACK_PROTECT_GUARD): Likewise.
10191         * config/sparc/sparc.c (TARGET_STACK_PROTECT_GUARD): Likewise.
10192         * config/tilegx/tilegx.c (TARGET_STACK_PROTECT_GUARD): Likewise.
10193         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Likewise.
10194         * config/i386/i386.c (TARGET_STACK_PROTECT_GUARD): Likewise.
10195         (ix86_stack_protect_guard): New function.
10197 2016-10-13  Richard Biener  <rguenther@suse.de>
10199         * dwarf2out.c (tree_add_const_value_attribute): Do not try
10200         rtl_for_decl_init during early phase.
10201         (gen_variable_die): Do not create locations during early phase.
10202         (gen_label_die): Likewise.
10203         (decls_for_scope): Do not waste time handling BLOCK_NONLOCALIZED_VARs
10204         twice.
10206 2016-10-12  Richard Biener  <rguenther@suse.de>
10208         * tree-vrp.c (evrp_dom_walker::try_find_new_range): Renamed from
10209         try_add_new_range and made to eturn new range.
10210         (evrp_dom_walker::before_dom_children): Push op1 value range before
10211         pushing op0 value range.
10213 2016-10-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10215         PR tree-optimization/77937
10216         * gimple-ssa-strength-reduction.c (analyze_increments): Use
10217         POINTER_TYPE_P on the candidate type to determine whether
10218         candidates in this chain require pointer arithmetic.
10220 2016-10-12  Eric Botcazou  <ebotcazou@adacore.com>
10222         * config/visium/visium.c (visium_gimplify_va_arg): Emit a big-endian
10223         correction if the type is smaller than a word.
10224         (visium_select_cc_mode): Add ... fall through ... comment.
10226 2016-10-12  Segher Boessenkool  <segher@kernel.crashing.org>
10228         * config/rs6000/rs6000.c (machine_function): Add new fields
10229         gpr_is_wrapped_separately and lr_is_wrapped_separately.
10230         (TARGET_SHRINK_WRAP_GET_SEPARATE_COMPONENTS,
10231         TARGET_SHRINK_WRAP_COMPONENTS_FOR_BB,
10232         TARGET_SHRINK_WRAP_DISQUALIFY_COMPONENTS,
10233         TARGET_SHRINK_WRAP_EMIT_PROLOGUE_COMPONENTS,
10234         TARGET_SHRINK_WRAP_EMIT_EPILOGUE_COMPONENTS,
10235         TARGET_SHRINK_WRAP_SET_HANDLED_COMPONENTS): Define.
10236         (rs6000_get_separate_components): New function.
10237         (rs6000_components_for_bb): New function.
10238         (rs6000_disqualify_components): New function.
10239         (rs6000_emit_prologue_components): New function.
10240         (rs6000_emit_epilogue_components): New function.
10241         (rs6000_set_handled_components): New function.
10242         (rs6000_emit_prologue): Don't emit LR save if lr_is_wrapped_separately.
10243         Don't emit GPR saves if gpr_is_wrapped_separately for that register.
10244         (restore_saved_lr): Don't restore LR if lr_is_wrapped_separately.
10245         (rs6000_emit_epilogue): Don't emit GPR restores if
10246         gpr_is_wrapped_separately for that register.  Don't make a
10247         REG_CFA_RESTORE note for registers we did not restore, either.
10249 2016-10-12  Segher Boessenkool  <segher@kernel.crashing.org>
10251         * function.c (thread_prologue_and_epilogue_insns): Call
10252         try_shrink_wrapping_separate.  Compute the prologue_seq afterwards,
10253         if it has possibly changed.  Compute the split_prologue_seq and
10254         epilogue_seq later, too.
10255         * shrink-wrap.c: #include cfgbuild.h and insn-config.h.
10256         (dump_components): New function.
10257         (struct sw): New struct.
10258         (SW): New function.
10259         (init_separate_shrink_wrap): New function.
10260         (fini_separate_shrink_wrap): New function.
10261         (place_prologue_for_one_component): New function.
10262         (spread_components): New function.
10263         (disqualify_problematic_components): New function.
10264         (emit_common_heads_for_components): New function.
10265         (emit_common_tails_for_components): New function.
10266         (insert_prologue_epilogue_for_components): New function.
10267         (try_shrink_wrapping_separate): New function.
10268         * shrink-wrap.h: Declare try_shrink_wrapping_separate.
10270 2016-10-12  Segher Boessenkool  <segher@kernel.crashing.org>
10272         * regrename.c (build_def_use): Invalidate chains that have a
10273         REG_CFA_RESTORE on some instruction.
10275 2016-10-12  Segher Boessenkool  <segher@kernel.crashing.org>
10277         * dce.c (delete_unmarked_insns): Don't delete instructions with
10278         a REG_CFA_RESTORE note.
10280 2016-10-12  Segher Boessenkool  <segher@kernel.crashing.org>
10282         * common.opt (-fshrink-wrap-separate): New flag.
10283         * doc/invoke.texi: Document it.
10284         * doc/tm.texi.in (Shrink-wrapping separate components): New subsection.
10285         * doc/tm.texi: Regenerate.
10286         * emit-rtl.h (struct rtl_data): New field shrink_wrapped_separate.
10287         * target.def (shrink_wrap): New hook vector.
10288         (get_separate_components, components_for_bb, disqualify_components,
10289         emit_prologue_components, emit_epilogue_components,
10290         set_handled_components): New hooks.
10292 2016-10-12  Segher Boessenkool  <segher@kernel.crashing.org>
10294         * config/rs6000/rs6000.c (rs6000_return_in_memory): Warn for
10295         vector return by reference only if -Wpsabi.
10296         (rs6000_pass_by_reference): Similarly, for argument passing.
10298 2016-10-12  David Malcolm  <dmalcolm@redhat.com>
10300         * function-tests.c: Include "print-rtl.h".
10301         (selftest::test_expansion_to_rtl): Call print_rtx_function on the
10302         function, and verify what is dumped.
10303         * print-rtl-function.c (print_edge): New function.
10304         (begin_any_block): New function.
10305         (end_any_block): New function.
10306         (can_have_basic_block_p): New function.
10307         (print_rtx_function): Track the basic blocks of insns in the
10308         chain, wrapping those that are within blocks within "(block)"
10309         directives.  Remove the "(cfg)" directive.
10311 2016-10-12  David Malcolm  <dmalcolm@redhat.com>
10313         * selftest.c (selftest::read_file): New function.
10314         (selftest::test_read_file): New function.
10315         (selftest::selftest_c_tests): Call test_read_file.
10316         * selftest.h (selftest::read_file): New decl.
10318 2016-10-12  Richard Biener  <rguenther@suse.de>
10320         PR debug/77947
10321         * cgraphunit.c (analyze_functions): Preserve cgraph nodes
10322         function context.
10324 2016-10-12  Thomas Schwinge  <thomas@codesourcery.com>
10326         * lto-streamer.c: Fix LTO_STREAMER_DEBUG build.
10328         * dwarf2out.c (dwarf2_lineno_debug_hooks): Use
10329         dwarf2out_assembly_start.
10331         * Makefile.in (SELFTEST_FLAGS): Add -nostdinc.
10333         * Makefile.in (SELFTEST_FLAGS): New variable.
10334         (s-selftest, selftest-gdb, selftest-valgrind): Use it.
10336         * vmsdbgout.c (vmsdbg_debug_hooks): Add filename parameter to
10337         early_finish hook.
10339 2016-10-12  Georg-Johann Lay  <avr@gjlay.de>
10341         * rtl.h (struct rtx_def): Comment how RTX_FLAGS will be
10342         dumped in RTL dumps.
10344 2016-10-12  Martin Liska  <mliska@suse.cz>
10346         * gimple-fold.c (create_tmp_reg_or_ssa_name): New function.
10347         (gimple_fold_builtin_memory_op): Use the function.
10348         (gimple_fold_builtin_strchr): Likewise.
10349         (gimple_fold_builtin_strcat): Likewise.
10350         (gimple_build): Likewise.
10352 2016-10-12  Nathan Sidwell  <nathan@acm.org>
10354         * diagnostic.c (diagnostc_report_diagnostic): Fix formatting.
10356 2016-10-12  Pierre-Marie de Rodat  <derodat@adacore.com>
10358         * dwarf2out.c (int_loc_descriptor): Generate opcodes for another
10359         equivalent 32-bit constant (modulo 2**32) when that yields
10360         smaller instructions.
10361         (size_of_int_loc_descriptor): Update accordingly.
10363 2016-10-12  Pierre-Marie de Rodat  <derodat@adacore.com>
10365         * dwarf2out.c (dwarf2out_early_global_decl): For nested
10366         functions, call dwarf2out_decl on the parent function first.
10368 2016-10-12  Richard Biener  <rguenther@suse.de>
10370         * match.pd ((X /[ex] A) * A -> X): Remove unnecessary constraint
10371         on the conversion.
10373 2016-10-12  Richard Biener  <rguenther@suse.de>
10375         * tree-ssa-propagate.c
10376         (substitute_and_fold_dom_walker::before_dom_children): Do not
10377         ignore ASSERT_EXPRs but only preserve them.
10378         * tree-vrp.c (remove_range_assertions): Deal with ASSERT_EXPRs
10379         that have been propagated into.
10380         (vrp_finalize): Enable DCE for substitute_and_fold.
10382 2016-10-12  Richard Biener  <rguenther@suse.de>
10384         PR tree-optimization/77920
10385         * tree-vrp.c (simplify_div_or_mod_using_ranges): Simplify.
10386         (simplify_min_or_max_using_ranges): Pass in gsi and use it.
10387         (simplify_abs_using_ranges): Likewise.
10388         (simplify_conversion_using_ranges): Likewise.
10389         (simplify_stmt_using_ranges): Adjust.
10391 2016-10-12  Jakub Jelinek  <jakub@redhat.com>
10393         PR tree-optimization/77929
10394         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle
10395         (*ops)[ranges[i].idx]->op != ranges[i].exp case.
10397 2016-10-12  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10399         PR target/77934
10400         * config/rs6000/vmx.md (vsx_concat_<mode>): The mtvsrdd instruction
10401         needs a base register for arg 1.
10403 2016-10-12  Jakub Jelinek  <jakub@redhat.com>
10405         * common.opt (Wimplicit-fallthrough) Turn into alias to
10406         -Wimplicit-fallthrough=3.  Remove EnabledBy.
10407         (Wimplicit-fallthrough=): New option.
10408         * gimplify.c (warn_implicit_fallthrough_r): Use
10409         OPT_Wimplicit_fallthrough_ instead of OPT_Wimplicit_fallthrough.
10410         * doc/invoke.texi (-Wimplicit-fallthrough): Document as alias
10411         to -Wimplicit-fallthrough=3.
10412         (-Wimplicit-fallthrough=): Document.
10414 2016-10-11  Eric Botcazou  <ebotcazou@adacore.com>
10416         * config/sparc/sparc.c (emit_scc_insn): Remove direct support for EQ
10417         and GEU in DImode if TARGET_SUBXC.
10418         * config/sparc/sparc.md (seqdi<W:mode>_zero): Remove TARGET_SUBXC.
10419         (seqdi<W:mode>_zero_subxc): Delete.
10420         (neg_seqdi<W:mode>_zero): Remove TARGET_VIS3.
10421         (neg_seqdi<W:mode>_zero_vis3): Delete.
10422         (plus_seqdi<W:mode>_zero): Likewise.
10423         (minus_seqdi<W:mode>_zero): Likewise.
10424         (plus_plus_sltu<W:mode>): Accept only register.
10425         (addx<W:mode>): Likewise.
10426         (plus_sltu<W:mode>_vis3): Likewise.
10427         (plus_plus_sltu<W:mode>_vis3): Likewise.
10428         (neg_sgeu<W:mode>_vis3): Delete.
10429         (minus_sgeu<W:mode>_vis3): Likewise.
10430         (addxc<W:mode>): Accept only registers.
10431         (neg_sltu<W:mode>_subxc): Write %%g0 instead of 0.
10432         (minus_neg_sltu<W:mode>_subxc): Accept only register.
10433         (neg_plus_sltu<W:mode>_subxc): Likewise.
10434         (minus_sltu<W:mode>_subxc): Write %%g0 instead of 0.
10435         (minus_minus_sltu<W:mode>_subxc): Accept only register.
10436         (sgeu<W:mode>_insn_subxc): Delete.
10437         (plus_sgeu<W:mode>_subxc): Likewise.
10438         (subxc<W:mode>): Accept only register.
10439         (scc splitter): Split always GEU again.
10441 2016-10-11  Jeff Law  <law@redhat.com>
10443         PR tree-optimization/77424
10444         * tree-ssa-threadupdate.c (thread_through_all_blocks): Remove
10445         dead conditionals.  Assert that all e->aux fields are NULL.
10447 2016-10-11  David Malcolm  <dmalcolm@redhat.com>
10449         * print-rtl.c (print_rtx): Rename "i" to "idx".  Split out the
10450         operand-printing "switch" statement into...
10451         (print_rtx_operand_code_0): ...this new function, ...
10452         (print_rtx_operand_code_e): ...this new function, ...
10453         (print_rtx_operand_codes_E_and_V): ...this new function, ...
10454         (print_rtx_operand_code_i): ...this new function, ...
10455         (print_rtx_operand_code_r): ...this new function, ...
10456         (print_rtx_operand_code_u): ...this new function, ...
10457         (print_rtx_operand): ...and this new function.
10459 2016-10-11  Uros Bizjak  <ubizjak@gmail.com>
10461         * config/alpha/alpha-passes.def: New file.
10462         * config/alpha/t-alpha: New file.
10463         * config/alpha/alpha-protos.h (gcc::context, rtl_opt_pass): Declare.
10464         (make_pass_handle_trap_shadows): New prototype.
10465         (make_pass_align_insns): Ditto.
10466         * config/alpha/alpha.c (alpha_option_override): Don't register
10467         passes here.
10468         * config.gcc (alpha*-*-*) Add alpha/t-alpha to tmake_file.
10470 2016-10-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10472         PR target/77924
10473         * config/rs6000/rs6000.c (rs6000_init_builtins): Only create the
10474         distinct __ibm128 IBM extended double type if long doubles are
10475         128-bits and the default format for long double is IEEE 128-bit.
10477 2016-10-11  Richard Biener  <rguenther@suse.de>
10479         * dwarf2out.c (DEBUG_STR_OFFSETS_SECTION): Remove conditional.
10480         (init_sections_and_labels): Use DEBUG_DWO_STR_OFFSETS_SECTION.
10481         (verify_die): New function.
10482         (dwarf2out_finish): Call it.
10483         (output_line_info): Handle case of -gsplit-dwarf without
10484         DWARF2_ASM_LINE_DEBUG_INFO.
10486 2016-10-11  Richard Biener  <rguenther@suse.de>
10488         PR debug/77931
10489         * gimple-low.c (lower_gimple_bind): Handle arbitrary common
10490         sub-chains of BLOCK_VARS and gimple_bind_vars.
10492 2016-10-11  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10494         * config/i386/znver1.md : Fix imov/imovx load type reservations.
10496 2016-10-11  Eric Botcazou  <ebotcazou@adacore.com>
10498         * config/sparc/sparc.opt (msubxc): New option.
10499         * doc/invoke.texi (SPARC options): Document it and tidy up.
10500         * doc/tm.texi.in (Condition Codes): Adjust SPARC example.
10501         * doc/tm.texi: Regenerate.
10502         * config/sparc/sparc-modes.def (CC_NOOV): Rename into...
10503         (CCNZ): ...this.
10504         (CCX_NOOV): Rename into...
10505         (CCXNZ): ...this.
10506         (CCC): New.
10507         (CCXC): Likewise.
10508         * config/sparc/predicates.m (fcc_register_operand): Simplify.
10509         (fcc0_register_operand): Likewise.
10510         (icc_register_operand): New.
10511         (icc_or_fcc_register_operand): Simplify.
10512         (nz_comparison_operator): New.
10513         (c_comparison_operator): Likewise.
10514         (noov_compare_operator): Rename into...
10515         (icc_comparison_operator): ...this.  Use above predicates.
10516         (noov_compare64_operator): Rename into...
10517         (v9_comparison_operator): ...this and tidy up.
10518         (fcc_comparison_operator): New.
10519         (icc_or_fcc_comparison_operator): Likewise.
10520         (v9_register_compare_operator): Rename info...
10521         (v9_register_comparison_operator): ...this.
10522         * config/sparc/sparc.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
10523         (sparc_option_override): Remove redundant VIS masks and add MASK_SUBXC
10524         for Niagara-7.
10525         (sparc_fixed_condition_code_regs): New function.
10526         (select_cc_mode): Remove ATTRIBUTE_UNUSED.  Adjust for CCNZ/CCXNZ
10527         renaming and add support for CCC/CCXC.
10528         (output_cbranch): Likewise.
10529         (sparc_print_operand): Likewise.
10530         (gen_v9_scc): Remove obsolete assertion.
10531         (emit_scc_insn): Emit RTL directly for EQ and NE.  Add direct support
10532         for EQ in DImode if TARGET_SUBXC.  Remove test on TARGET_VIS3 for GEU.
10533         (output_cbcond): Remove bogus handling of CC modes.
10534         (sparc_register_move_cost): Return 100 for NO_REGS.
10535         * config/sparc/sparc.md (W): New mode iterator.
10536         (length): Adjust for noov_compare64_operator renaming.
10537         (cmpsi_sne): New instruction.
10538         (cmpdi_sne): Likewise.
10539         (seqdi_special): Delete.
10540         (seqdi_special): Likewise.
10541         (snesi<P:mode>_special): Likewise.
10542         (snedi_special): Likewise.
10543         (snedi_special_vis3): Likewise.
10544         (snesi patterns): Use W iterator.
10545         (snedi patterns): Likewise.  Add TARGET_SUBXC patterns.
10546         (sltu patterns): Likewise.
10547         (sgeu patterns): Likewise.
10548         (scc splitter): Do not split GEU in DImode if TARGET_SUBXC.
10549         (normal_branch): Use icc_comparison_operator predicate.
10550         (inverted_branch): Likewise.
10551         (cbcond_sp32): Use comparison_operator predicate.
10552         (cbcond_sp64): Likewise.
10553         (normal_int_branch_sp64): Adjust for renaming
10554         (inverted_int_branch_sp64): Likewise.
10555         (mov<I:mode>_cc_reg_sp64): Likewise.
10556         (movsf_cc_reg_sp6): Likewise.
10557         (movdf_cc_reg_sp64): Likewise.
10558         (movtf_cc_reg_hq_sp64): Likewise.
10559         (movtf_cc_reg_sp64): Likewise.
10560         (mov<I:mode>_cc_v9): Use icc_or_fcc_comparison_operator predicate.
10561         (movsf_cc_v9): Likewise.
10562         (movdf_cc_v9): Likewise.
10563         (movtf_cc_hq_v9): Likewise.
10564         (movtf_cc_v9): Likewise.
10565         (adddi3): Call gen_adddi3_sp32.
10566         (adddi3_insn_sp32): Rename to...
10567         (adddi3_sp32): ...this.  Accept only register_operand as operand #1
10568         and use CCCmode for the carry.
10569         (addx_extend_sp32): Use CCCmode for the carry.
10570         (addx_extend_sp64): Delete.
10571         (adddi3_extend_sp32): Use CCCmode for the carry.
10572         (cmp_plus patterns): Use CCNZ/CCXNZ mode and add C variants.
10573         (subdi3): Call gen_subdi3_sp32.
10574         (subdi3_insn_sp32): Rename to...
10575         (subdi3_sp32): ...this and use CCmode for the carry.
10576         (subx_extend_sp32): Use CCCmode for the carry.
10577         (subx_extend_sp64): Delete.
10578         (subdi3_extend_sp32): Use CCmode for the carry.
10579         (cmp_minus patterns): Use CCNZ/CCXNZ mode and add C variants.
10580         (negdi3): Call gen_negdi3_sp32.
10581         (negdi3_sp32): Use CCCmode for the carry.
10582         (cmp_neg patterns): Use CCNZ/CCXNZ mode and add C variants.
10583         (cmp_nz_ashift_1): Use CCNZ mode.
10584         (cmp_nz_set_ashift_1): Likewise.
10585         (ctrapsi4): Use comparison_operator predicate.
10586         (ctrapdi4): Likewise.
10587         (trapsi_insn): Use icc_comparison_operator predicate.
10588         (trapdi_insn): Likewise.
10589         (edge8 patterns): Use CCNZmode.
10590         (edge16 patterns): Likewise.
10591         (edge32 patterns): Likewise.
10593 2016-10-11  Eric Botcazou  <ebotcazou@adacore.com>
10595         * config/visium/visium-modes.def (CC_NOOV): Rename into...
10596         (CCNZ): ...this.
10597         (CC_BTST): Rename into...
10598         (CCC): ...this.
10599         * config/visium/predicates.md (real_add_operand): New.
10600         (visium_btst_operator): Rename into...
10601         (visium_equality_comparison_operator): ...this.
10602         (visium_noov_operator): Rename into...
10603         (visium_nz_comparison_operator): ...this.
10604         (visium_c_comparison_operator): New.
10605         (visium_branch_operator): Adjust and deal with all CC modes.
10606         * config/visium/visium.c (visium_adjust_cost): Adjust.
10607         (visium_split_double_add): Use the *_set_carry patterns.
10608         (visium_select_cc_mode): Add support for CCC mode and adjust.
10609         (output_cbranch): Adjust and use the carry-based operators for
10610         floating-point comparisons.
10611         * config/visium/visium.md (flags_subst_arith): Adjust.
10612         (addsi3_insn_set_carry): New instruction.
10613         (subsi3_insn_set_carry): Likewise.
10614         (negsi2_insn_set_carry): Likewise.
10615         (btst): Adjust.
10616         (cmp<mode>_sne): Likewise.
10617         (cbranch<mode>4): Use ordered_comparison_operator.
10618         (cbranch<mode>4_insn): Likewise.
10619         (cbranchsi4_btst_insn): Adjust.
10621 2016-10-11  Tom de Vries  <tom@codesourcery.com>
10623         PR middle-end/77558
10624         * builtins.c (std_canonical_va_list_type): Remove RECORD_TYPE
10625         special-casing.
10627 2016-10-11  Eric Botcazou  <ebotcazou@adacore.com>
10629         * tree.h (build_complex_type): Add second parameter with default.
10630         * tree.c (build_complex_type): Add NAMED second parameter and adjust
10631         recursive call.  Create a TYPE_DECL only if NAMED is true.
10632         (build_common_tree_nodes): Pass true in calls to build_complex_type.
10634 2016-10-11  Georg-Johann Lay  <avr@gjlay.de>
10636         New avr-passes.def to register AVR specific passes.
10638         * config/avr/avr-passes.def: New file.
10639         * config/avr/t-avr (PASSES_EXTRA): Add avr-passes.def.
10640         * config/avr/avr-protos.h (gcc::context, rtl_opt_pass): Declare.
10641         (make_avr_pass_recompute_note): New proto.
10642         * config/avr/avr.c (make_avr_pass_recompute_notes): New function.
10643         (avr_pass_recompute_notes): Use anonymous namespace.
10644         (avr_register_passes): Remove function...
10645         (avr_option_override): ...and its call.
10647 2016-10-11  Robert Suchanek  <robert.suchanek@imgtec.com>
10649         * config/mips/mips-cpus.def: Replace PTF_AVOID_BRANCHLIKELY with
10650         PTF_AVOID_BRANCHLIKELY_ALWAYS for generic architecture and with
10651         PTF_AVOID_BRANCHLIKELY_SPEED for others.
10652         (mips2, mips3, mips4): Add PTF_AVOID_BRANCHLIKELY_SIZE to tune
10653         flags.
10654         * config/mips/mips.c (mips_option_override): Enable the branch
10655         likely depending on the tune flags and optimization level.
10656         * config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): Remove.
10657         (PTF_AVOID_BRANCHLIKELY_SPEED): Define.
10658         (PTF_AVOID_BRANCHLIKELY_SIZE): Likewise.
10659         (PTF_AVOID_BRANCHLIKELY_ALWAYS): Likewise.
10661 2016-10-11  Richard Biener  <rguenther@suse.de>
10663         * lto-streamer-out.c (collect_block_tree_leafs): New helper.
10664         (output_function): Properly stream the whole block tree.
10665         * lto-streamer-in.c (input_function): Likewise.
10667 2016-10-11  Marek Polacek  <polacek@redhat.com>
10669         * Makefile.in (C_COMMON_OBJS): Add c-family/c-warn.o.
10671 2016-10-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
10673         * tree-vrp.c (evrp_dom_walker::try_add_new_range): New.
10674         (evrp_dom_walker::before_dom_children): Infer and push new value
10675         ranges for x in y < x.
10677 2016-10-10  Joseph Myers  <joseph@codesourcery.com>
10679         PR target/77586
10680         * config/ia64/ia64.c (ia64_libgcc_floating_mode_supported_p)
10681         (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Remove.
10682         * config/ia64/elf.h (IA64_NO_LIBGCC_TFMODE): Likewise.
10683         * config/ia64/freebsd.h (IA64_NO_LIBGCC_TFMODE): Likewise.
10684         * config/ia64/vms.h (IA64_NO_LIBGCC_XFMODE)
10685         (IA64_NO_LIBGCC_TFMODE): Likewise.
10687 2016-10-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
10689         * tree-vrp.c (vrp_intersect_ranges_1): Allocate bitmap before
10690           copying.
10692 2016-10-10  Andreas Tobler  <andreast@gcc.gnu.org>
10694         * config.gcc: Add aarch64-*-freebsd* support.
10695         * config.host: Likewise.
10696         * config/aarch64/aarch64-freebsd.h: New file.
10697         * config/aarch64/t-aarch64-freebsd: Ditto.
10699 2016-10-10  Jeff Law  <law@redhat.com>
10701         PR tree-optimization/71947
10702         * tree-ssa-dom.c (cprop_into_stmt): Avoid replacing A with B, then
10703         B with A within a single statement.
10705 2016-10-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10707         PR tree-optimization/77824
10708         * gimple-ssa-strength-reduction.c (stmt_cost): Explicitly return
10709         zero cost for copies.
10710         (find_candidates_dom_walker::before_dom_children): Replace
10711         MODIFY_EXPR with SSA_NAME.
10712         (replace_mult_candidate): Likewise.
10713         (replace_profitable_candidates): Likewise.
10715 2016-10-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10717         * config/s390/s390.h: Wrap more macros args in brackets and fix
10719 2016-10-10  Georg-Johann Lay  <avr@gjlay.de>
10721         * config/avr/gen-avr-mmcu-texi.c (string.h): Include.
10723 2016-10-10  Andreas Schwab  <schwab@suse.de>
10725         PR target/77738
10726         * config/ia64/ia64.md ("doloop_end"): Reject if mode of loop
10727         pseudo is not DImode.
10729 2016-10-10  Claudiu Zissulescu  <claziss@synopsys.com>
10731         * common/config/arc/arc-common.c (arc_option_optimization_table):
10732         Remove compact casesi option.
10733         * config/arc/arc.c (arc_override_options): Use compact casesi
10734         option only for pre-ARCv2 cores.
10735         * doc/invoke.texi (mcompact-casesi): Update text.
10737 2016-10-09  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10739         * config/rs6000/rs6000.h (TARGET_EFFICIENT_OVERLAPPING_UNALIGNED):
10740         Add macro to say we can efficiently handle overlapping unaligned
10741         loads.
10742         * config/rs6000/rs6000.c (expand_block_compare): Avoid generating
10743         poor code for processors older than p8.
10745 2016-10-09  Eric Botcazou  <ebotcazou@adacore.com>
10747         * gen-pass-instances.awk: Remove GNUism.
10749 2016-10-09  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10751         * ipa-prop.c (ipcp_transform_function): Set fields m_vr and bits to
10752         NULL of (*ipcp_transformations)][node->uid].
10754 2016-10-09  John David Anglin  <danglin@gcc.gnu.org>
10756         * config/pa/pa.h (BIGGEST_ALIGNMENT): Adjust comment.
10757         (MALLOC_ABI_ALIGNMENT): Define.
10759 2016-10-09  Jakub Jelinek  <jakub@redhat.com>
10761         * tree-ssa.c (target_for_debug_bind, verify_phi_args,
10762         ssa_undefined_value_p, maybe_optimize_var): Use VAR_P and/or
10763         VAR_OR_FUNCTION_DECL_P macros.
10764         * tree-chkp.c (chkp_register_var_initializer, chkp_make_static_bounds,
10765         chkp_get_bounds_for_decl_addr, chkp_parse_array_and_component_ref,
10766         chkp_find_bounds_1): Likewise.
10767         * ipa-polymorphic-call.c (decl_maybe_in_construction_p): Likewise.
10768         * hsa-gen.c (get_symbol_for_decl): Likewise.
10769         * cgraphunit.c (check_global_declaration, analyze_functions,
10770         handle_alias_pairs, thunk_adjust, cgraph_node::expand_thunk):
10771         Likewise.
10772         * gimple-fold.c (can_refer_decl_in_current_unit_p,
10773         canonicalize_constructor_val, gimple_get_virt_method_for_vtable):
10774         Likewise.
10775         * tree.c (set_decl_section_name, copy_node_stat,
10776         need_assembler_name_p, free_lang_data_in_decl, find_decls_types_r,
10777         merge_dllimport_decl_attributes, handle_dll_attribute,
10778         decl_init_priority_insert, auto_var_in_fn_p, array_at_struct_end_p,
10779         verify_type): Likewise.
10780         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior,
10781         find_explicit_erroneous_behavior): Likewise.
10782         * sdbout.c (sdbout_toplevel_data, sdbout_late_global_decl): Likewise.
10783         * ipa.c (process_references): Likewise.
10784         * tree-chkp-opt.c (chkp_get_check_result): Likewise.
10785         * varasm.c (get_block_for_decl, use_blocks_for_decl_p, make_decl_rtl,
10786         notice_global_symbol, assemble_variable, mark_decl_referenced,
10787         build_constant_desc, output_constant_def_contents, do_assemble_alias,
10788         make_decl_one_only, default_section_type_flags,
10789         categorize_decl_for_section, default_encode_section_info): Likewise.
10790         * trans-mem.c (requires_barrier): Likewise.
10791         * gimple-expr.c (mark_addressable): Likewise.
10792         * cfgexpand.c (add_scope_conflicts_1, expand_one_var,
10793         expand_used_vars_for_block, clear_tree_used, stack_protect_decl_p,
10794         expand_debug_expr): Likewise.
10795         * tree-dump.c (dequeue_and_dump): Likewise.
10796         * ubsan.c (instrument_bool_enum_load): Likewise.
10797         * tree-pretty-print.c (print_declaration): Likewise.
10798         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
10799         * tree-ssa-uninit.c (warn_uninitialized_vars): Likewise.
10800         * asan.c (asan_protect_global, instrument_derefs): Likewise.
10801         * tree-into-ssa.c (rewrite_stmt, maybe_register_def,
10802         pass_build_ssa::execute): Likewise.
10803         * var-tracking.c (var_debug_decl, track_expr_p): Likewise.
10804         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost, split_address_cost):
10805         Likewise.
10806         * ipa-split.c (test_nonssa_use, consider_split, mark_nonssa_use):
10807         Likewise.
10808         * tree-inline.c (insert_debug_decl_map, remap_ssa_name,
10809         can_be_nonlocal, remap_decls, copy_debug_stmt,
10810         initialize_inlined_parameters, add_local_variables,
10811         reset_debug_binding, replace_locals_op): Likewise.
10812         * dse.c (can_escape): Likewise.
10813         * ipa-devirt.c (compare_virtual_tables, referenced_from_vtable_p):
10814         Likewise.
10815         * tree-diagnostic.c (default_tree_printer): Likewise.
10816         * tree-streamer-in.c (unpack_ts_decl_common_value_fields,
10817         unpack_ts_decl_with_vis_value_fields,
10818         lto_input_ts_decl_common_tree_pointers): Likewise.
10819         * builtins.c (builtin_save_expr, fold_builtin_expect,
10820         readonly_data_expr): Likewise.
10821         * tree-ssa-structalias.c (new_var_info, get_constraint_for_ssa_var,
10822         create_variable_info_for, set_uids_in_ptset, visit_loadstore):
10823         Likewise.
10824         * gimple-streamer-out.c (output_gimple_stmt): Likewise.
10825         * gimplify.c (force_constant_size, gimplify_bind_expr,
10826         gimplify_decl_expr, gimplify_var_or_parm_decl,
10827         gimplify_compound_lval, gimplify_init_constructor,
10828         gimplify_modify_expr, gimplify_asm_expr, gimplify_oacc_declare,
10829         gimplify_type_sizes): Likewise.
10830         * cgraphbuild.c (record_reference, record_type_list, mark_address,
10831         mark_load, mark_store, pass_build_cgraph_edges::execute): Likewise.
10832         * tree-ssa-live.c (mark_all_vars_used_1, remove_unused_scope_block_p,
10833         remove_unused_locals): Likewise.
10834         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p, ptrs_compare_unequal,
10835         ref_maybe_used_by_call_p_1, call_may_clobber_ref_p_1): Likewise.
10836         * function.c (instantiate_expr, instantiate_decls_1,
10837         setjmp_vars_warning, add_local_decl): Likewise.
10838         * alias.c (ao_ref_from_mem, get_alias_set, compare_base_symbol_refs):
10839         Likewise.
10840         * tree-stdarg.c (find_va_list_reference, va_list_counter_struct_op,
10841         va_list_ptr_read, va_list_ptr_write, check_all_va_list_escapes,
10842         optimize_va_list_gpr_fpr_size): Likewise.
10843         * tree-nrv.c (pass_nrv::execute): Likewise.
10844         * tsan.c (instrument_expr): Likewise.
10845         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10846         * vtable-verify.c (verify_bb_vtables): Likewise.
10847         * tree-dfa.c (ssa_default_def, set_ssa_default_def,
10848         get_ref_base_and_extent): Likewise.
10849         * toplev.c (wrapup_global_declaration_1, wrapup_global_declaration_2):
10850         Likewise.
10851         * tree-sra.c (static bool constant_decl_p, find_var_candidates,
10852         analyze_all_variable_accesses): Likewise.
10853         * tree-nested.c (get_nonlocal_debug_decl,
10854         convert_nonlocal_omp_clauses, note_nonlocal_vla_type,
10855         note_nonlocal_block_vlas, convert_nonlocal_reference_stmt,
10856         get_local_debug_decl, convert_local_omp_clauses,
10857         convert_local_reference_stmt, nesting_copy_decl, remap_vla_decls):
10858         Likewise.
10859         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Likewise.
10860         * stmt.c (decl_overlaps_hard_reg_set_p): Likewise.
10861         * dbxout.c (dbxout_late_global_decl, dbxout_type_fields,
10862         dbxout_symbol, dbxout_common_check): Likewise.
10863         * expr.c (expand_assignment, expand_expr_real_2, expand_expr_real_1,
10864         string_constant): Likewise.
10865         * hsa.c (hsa_get_declaration_name): Likewise.
10866         * passes.c (rest_of_decl_compilation): Likewise.
10867         * tree-ssanames.c (make_ssa_name_fn): Likewise.
10868         * tree-streamer-out.c (pack_ts_decl_common_value_fields,
10869         pack_ts_decl_with_vis_value_fields,
10870         write_ts_decl_common_tree_pointers): Likewise.
10871         * stor-layout.c (place_field): Likewise.
10872         * symtab.c (symtab_node::maybe_create_reference,
10873         symtab_node::verify_base, symtab_node::make_decl_local,
10874         symtab_node::copy_visibility_from,
10875         symtab_node::can_increase_alignment_p): Likewise.
10876         * dwarf2out.c (add_var_loc_to_decl, tls_mem_loc_descriptor,
10877         decl_by_reference_p, reference_to_unused, rtl_for_decl_location,
10878         fortran_common, add_location_or_const_value_attribute,
10879         add_scalar_info, add_linkage_name, set_block_abstract_flags,
10880         local_function_static, gen_variable_die, dwarf2out_late_global_decl,
10881         optimize_one_addr_into_implicit_ptr,
10882         optimize_location_into_implicit_ptr): Likewise.
10883         * gimple-low.c (record_vars_into): Likewise.
10884         * ipa-visibility.c (update_vtable_references): Likewise.
10885         * tree-ssa-address.c (fixed_address_object_p, copy_ref_info):
10886         Likewise.
10887         * lto-streamer-out.c (tree_is_indexable, get_symbol_initial_value,
10888         DFS::DFS_write_tree_body, write_symbol): Likewise.
10889         * langhooks.c (lhd_warn_unused_global_decl,
10890         lhd_set_decl_assembler_name): Likewise.
10891         * attribs.c (decl_attributes): Likewise.
10892         * except.c (output_ttype): Likewise.
10893         * varpool.c (varpool_node::get_create, ctor_for_folding,
10894         varpool_node::assemble_decl, varpool_node::create_alias): Likewise.
10895         * fold-const.c (fold_unary_loc): Likewise.
10896         * ipa-prop.c (ipa_compute_jump_functions_for_edge,
10897         ipa_find_agg_cst_from_init): Likewise.
10898         * omp-low.c (expand_omp_regimplify_p, expand_omp_taskreg,
10899         expand_omp_target, lower_omp_regimplify_p,
10900         grid_reg_assignment_to_local_var_p, grid_remap_prebody_decls,
10901         find_link_var_op): Likewise.
10902         * tree-chrec.c (chrec_contains_symbols): Likewise.
10903         * tree-cfg.c (verify_address, verify_expr, verify_expr_location_1,
10904         gimple_duplicate_bb, move_stmt_op, replace_block_vars_by_duplicates,
10905         execute_fixup_cfg): Likewise.
10907         PR tree-optimization/77901
10908         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Only optimize
10909         if ranges[i].exp is SSA_NAME when looking for >= and only when
10910         ranges[i].exp is NULL or SSA_NAME when looking for the other
10911         comparison.
10913 2016-10-09  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10915         * ipa-cp.c (ipcp_alignment_lattice): Remove.
10916         (ipcp_param_lattices): Remove field alignment.
10917         (print_all_lattices): Remove call to ipcp_alignment_lattice::print.
10918         (set_all_contains_variable): Remove call to
10919         ipcp_alignment_lattice::set_to_bottom.
10920         (initialize_node_lattices): Likewise.
10921         (propagate_alignment_accross_jump_function): Remove.
10922         (propagate_constants_accross_call): Remove call to
10923         propagate_alignment_accross_jump_function.
10924         (ipcp_store_alignment_results): Remove.
10925         (ipcp_driver): Remove call to ipcp_store_alignment_results.
10926         (propagate_bits_accross_jump_function): Handle ancestor jump function.
10927         * ipa-prop.c (ipa_print_node_jump_functions_for_edge): Remove
10928         pretty-printing of alignment jump function.
10929         (ipa_set_jf_unknown): Remove assignment to jfunc->alignment.known.
10930         (ipa_compute_jump_functions_for_edge): Adjust ipa_bits jump function for
10931         alignments and remove computing ipa_alignment jump function.
10932         (ipa_node_params_t::duplicate): Remove copying of src_trans->alignments.
10933         (ipa_write_jump_functions): Remove streaming for ipa_alignment.
10934         (ipa_read_jump_function): Remove reading of ipa_alignment.
10935         (write_ipcp_transformation_info): Remove streaming for alignment
10936         propagation summary.
10937         (read_ipcp_transformation_info): Remove reading of alignment
10938         propagation summary.
10939         (ipcp_update_alignments): Remove.
10940         (ipcp_update_bits): Adjust to set alignment for parameters of pointer
10941         type.
10942         (ipcp_transform_function): Remove call to ipcp_update_alignments()
10943         and remove assignment to (*ipcp_transformations)[node->uid].alignments.
10944         * ipa-prop.h (ipa_alignment): Remove.
10945         (ipa_jump_func): Remove field alignment.
10946         (ipcp_transformation_summary): Remove field alignments.
10947         * doc/invoke.texi: Mark fipa-cp-alignment as obsolete.
10948         * opts.c (default_options_table): Remove entry for fipa-cp-alignment.
10949         (enable_fdo_optimizations): Remove checking for fipa-cp-alignment.
10951 2016-10-08  Eric Botcazou  <ebotcazou@adacore.com>
10953         * config/sparc/sparc.h (FIXED_REGISTERS): Add %icc.
10955         * config/visium/visium.c (visium_expand_int_cstore): Revert latest
10956         change.
10957         (visium_expand_fp_cstore): Likewise.
10959 2016-10-08  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10961         * diagnostic-core.h (warning_at_rich_loc_n): Declare.
10962         * diagnostic.c (warning_at_rich_loc_n): New function.
10963         (diagnostic_n_impl_richloc): Likewise.
10964         (diagnostic_n_impl): Move most of the function to
10965         diagnostic_n_impl_richloc and call it.
10967 2016-10-08  Jakub Jelinek  <jakub@redhat.com>
10969         * gen-pass-instances.awk: Rewritten.
10970         * Makefile.in (pass-instances.def): Depend on $(PASSES_EXTRA), pass
10971         $(PASSES_EXTRA) after passes.def to the script.
10972         * config/i386/t-i386 (PASSES_EXTRA): Add i386-passes.def.
10973         * config/i386/i386-passes.def: New file.
10974         * config/i386/i386-protos.h (make_pass_insert_vzeroupper,
10975         make_pass_stv): Declare.
10976         * config/i386/i386.c (pass_stv::pass_stv): Initialize timode_p to
10977         false.
10978         (pass_stv::gate): Depending on timode_p member require TARGET_64BIT
10979         or !TARGET_64BIT.
10980         (pass_stv::clone, pass_stv::set_pass_param): New methods.
10981         (pass_stv::timode_p): New non-static data member.
10982         (ix86_option_override): Don't register passes here.
10984         * doc/invoke.texi: Document accepting Else, fallthrough.
10986         * doc/invoke.texi (-Wimplicit-fallthrough): Document FALLTHRU comment
10987         style changes.
10989         * doc/invoke.texi (-Wimplicit-fallthrough): Document the accepted
10990         FALLTHRU comment styles.
10992 2016-10-07  Andrew Pinski  <apinski@cavium.com>
10994         * config/aarch64/aarch64-arches.def (AARCH64_ARCH): #undef at the end.
10995         * config/aarch64/aarch64-cores.def (AARCH64_CORE): Likewise.
10996         * config/aarch64/aarch64-fusion-pairs.def (AARCH64_FUSION_PAIR):
10997         Likewise.
10998         * config/aarch64/aarch64-option-extensions.def (AARCH64_OPT_EXTENSION):
10999         Likewise.
11000         * config/aarch64/aarch64-tuning-flags.def (AARCH64_EXTRA_TUNING_OPTION):
11001         Likewise.
11002         * config/aarch64/aarch64-opts.h (AARCH64_CORE): Don't #undef here.
11003         (AARCH64_ARCH): Likewise.
11004         * common/config/aarch64/aarch64-common.c (AARCH64_OPT_EXTENSION):
11005         Likewise.
11006         (AARCH64_CORE): Likewise.
11007         (AARCH64_ARCH): Likewise.
11008         * config/aarch64/aarch64-protos.h (AARCH64_FUSION_PAIR): Likewise.
11009         (AARCH64_EXTRA_TUNING_OPTION): Likewise.
11010         * config/aarch64/aarch64.c (AARCH64_FUION_PAIR): Likewise.
11011         (AARCH64_EXTRA_TUNING_OPTION): Likewise.
11012         (AARCH64_ARCH): Likewise.
11013         (AARCH64_CORE): Likewise.
11014         * config/aarch64/aarch64.h (AARCH64_CORE): Likewise.
11015         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Likewise.
11016         (AARCH64_CORE): Likewise.
11017         (AARCH64_ARCH): Likewise.
11019 2016-10-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
11021         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Split
11022         -mfloat128 into -mfloat128-type that enables the IEEE 128-bit
11023         floating point type infrastructre, and -mfloat128 that enables the
11024         keyword.  Define __FLOAT128__ if -mfloat128, and __FLOAT128_TYPE__
11025         if -mfloat128-type.  Define __ibm128 to be long double by default.
11026         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print whether
11027         the IEEE 128-bit floating point type infrastructure should
11028         automatically be enabled.
11029         (rs6000_init_hard_regno_mode_ok): Switch to use -mfloat128-type
11030         instead of -mfloat128 to enable KFmode.
11031         (rs6000_option_override_internal): Split the option -mfloat128
11032         into -mfloat128-type and -mfloat128.  On Linux PowerPC 64-bit
11033         systems, automatically set -mfloat128-type, but don't enable it on
11034         other operating systems.  Move setting the long double size and
11035         IEEE quad support before the IEEE 128-bit floating point changes.
11036         (rs6000_init_builtins): Do not create a unique type for __ibm128
11037         if long double is IBM extended double, instead rely on __ibm128
11038         being defined as 'long double'.  If -mfloat128-type and not
11039         -mfloat128, create the KFmode type with an undocumented __ieee128
11040         keyword.
11041         (rs6000_init_libfuncs): Use -mfloat128-type instead of
11042         -mfloat128 for tests about the types, but keep tests for
11043         -mfloat128 to enable the keyword support.
11044         (rs6000_complex_function_value): Likewise.
11045         (rs6000_scalar_mode_supported_p): Likewise.
11046         (rs6000_floatn_mode): Likewise.
11047         (rs6000_c_mode_for_suffix): Likewise.
11048         (rs6000_opt_masks): Add -mfloat128-type.
11049         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Add support for
11050         -mfloat128-type being split from -mfloat128.  Add
11051         -mfloat128-hardware, which was missing.
11052         * config/rs6000/rs6000.opt (-mfloat128): Split -mfloat128 into
11053         -mfloat128 and -mfloat128-type:
11054         (-mfloat128-type): Likewise.
11055         * config/rs6000/linux64.h (TARGET_FLOAT128_ENABLE_TYPE): Define so
11056         that 64-bit Linux systems with enable -mfloat128-type by default
11057         on VSX systems.
11058         * config/rs6000/rs6000.h (TARGET_FLOAT128_ENABLE_TYPE): Likewise.
11059         (FLOAT128_VECTOR_P): Switch IEEE 128-bit floating points to use
11060         -mfloat128-type instead of -mfloat128.
11061         (FLOAT128_2REG_P): Likewise.
11062         (MASK_FLOAT128_TYPE): Likewise.
11063         (ALTIVEC_ARG_MAX_RETURN): Likewise.
11064         (RS6000_BTM_FLOAT128): Likewise.
11065         (TARGET_FLOAT128): Poison old identifiers.
11066         (OPTION_MASK_FLOAT128): Likewise.
11067         (MASK_FLOAT128): Likewise.
11068         * config/rs6000/rs6000.md (FP): Likewise.
11069         (FLOAT128): Likewise.
11070         (fix_trunc<mode>di2): Likewise.
11071         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
11072         (floatdi<mode>2): Likewise.
11073         (floatuns<SDI:mode><IEEE128:mode>2): Likewise.
11074         (neg<mode>2, FLOAT128 iterator): Likewise.
11075         (abs<mode>2, FLOAT128 iterator): Likewise.
11076         (ieee_128bit_negative_zero): Likewise.
11077         (ieee_128bit_vsx_neg<mode>2): Likewise.
11078         (ieee_128bit_vsx_neg<mode>2_internal): Likewise.
11079         (ieee_128bit_vsx_abs<mode>2): Likewise.
11080         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
11081         (ieee_128bit_vsx_nabs<mode>2): Likewise.
11082         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
11083         (extendiftf2): Likewise.
11084         (extendifkf2): Likewise.
11085         (extendtfkf2): Likewise.
11086         (trunciftf2): Likewise.
11087         (truncifkf2): Likewise.
11088         (trunckftf2): Likewise.
11089         (trunctfif2): Likewise.
11090         (extendkftf2): Likewise.
11091         (trunctfkf2): Likewise.
11093 2016-10-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11095         * simplify-rtx.c (simplify_immed_subreg): Zero-initialize tmp array
11096         before merging in bytes to pass down to real_from_target.
11098 2016-10-07  Richard Biener  <rguenther@suse.de>
11100         * tree-ssa-propagate.c (replace_phi_args_in): Remove no longer
11101         required hack.
11102         (substitute_and_fold_dom_walker::before_dom_children):
11103         Substitute and fold before pass specific folding to avoid
11104         feeding that with SSA names that will be later released.
11105         * tree-ssa-ccp.c (get_value_for_expr): Guard for new SSA names
11106         introduced by folding and visited by evaluate_stmt called during
11107         ccp_fold_stmt.
11108         (likely_value): Likewise.
11109         (evaluate_stmt): Likewise.
11110         * tree-vrp.c (simplify_truth_ops_using_ranges): Fold modified stmt.
11111         (simplify_div_or_mod_using_ranges): Likewise.
11112         (simplify_min_or_max_using_ranges): Likewise.
11113         (simplify_abs_using_ranges): Likewise.
11114         (simplify_conversion_using_ranges): Likewise.
11115         (simplify_float_conversion_using_ranges): Likewise.
11116         (simplify_stmt_using_ranges): Likewise.
11118 2016-10-07  Marek Polacek  <polacek@redhat.com>
11120         * gimplify.c (should_warn_for_implicit_fallthrough): Check for
11121         FALLTHROUGH_LABEL_P here...
11122         (warn_implicit_fallthrough_r): ...not here.
11124 2016-10-07  Bernd Schmidt  <bschmidt@redhat.com>
11126         PR tree-optimization/77880
11127         * expr.c (by_pieces_ninsns): Use unsigned HOST_WIDE_INT where
11128         necessary.
11130 2016-10-07  Marek Polacek  <polacek@redhat.com>
11132         PR c++/77803
11133         * gimplify.c (last_stmt_in_scope): Add check for FALLTHROUGH ().
11135 2016-10-07  Richard Biener  <rguenther@suse.de>
11137         * bitmap.h: Document constraints on bitmap modification while
11138         iterating over it.
11140 2016-10-07  Richard Biener  <rguenther@suse.de>
11142         * bitmap.c (bitmap_elem_to_freelist): Set indx to -1.
11143         * bitmap.h (bmp_iter_set): When advancing to the next element
11144         check that we didn't remove the current one.
11145         (bmp_iter_and): Likewise.
11146         (bmp_iter_and_compl): Likewise.
11147         * tree-ssa.c (release_defs_bitset): Do not remove worklist bit
11148         we currently iterate on but keep a one-level queue.
11149         * sched-deps.c (remove_from_deps): Do not clear current bit
11150         but keep a one-level queue.
11152 2016-10-07  Jakub Jelinek  <jakub@redhat.com>
11154         PR tree-optimization/77664
11155         * tree-ssa-reassoc.c (update_range_test): Also clear low and high
11156         for the other ranges.
11157         (optimize_range_tests_diff): Fix up formatting.
11158         (optimize_range_tests_var_bound): New function.
11159         (optimize_range_tests): Use it.
11161 2016-10-07  Martin Liska  <mliska@suse.cz>
11163         * coverage.c (build_gcov_exit_decl): Fix priority what
11164         should be really 99.
11166 2016-10-07  Richard Biener  <rguenther@suse.de>
11168         * gimple-low.c (lower_gimple_bind): Clear DECL_CHAIN of
11169         vars in gimple_bind_vars but not in BLOCK_VARS.
11171 2016-10-07  Richard Biener  <rguenther@suse.de>
11173         PR tree-optimization/77879
11174         * tree-ssa-structalias.c (handle_const_call): Properly handle
11175         NRV return slots.
11176         (handle_pure_call): Likewise.
11178 2016-10-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11180         * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor)
11181         (rs6000_elf_asm_out_destructor): increase size of buf to avoid
11182         possible overflow.
11184 2016-10-06  Andrew Pinski  <apinski@cavium.com>
11186         * config/aarch64/aarch64-cores.def: Add a comment before each
11187         set of cores.
11189 2016-10-06  Kugan Vivekanandarajah  <kuganv@linaro.org>
11191         PR tree-optimization/77862
11192         * tree-vrp.c (add_equivalence): Use get_value_range so that
11193         num_vr_values is checked before accessing vr_values.
11195 2016-10-06  Kugan Vivekanandarajah  <kuganv@linaro.org>
11197         * tree-vrp.c (evrp_dom_walker::before_dom_children): Handle
11198           POINTER_TYPE_P.
11200 2016-10-05  Jeff Law  <law@redhat.com>
11202         PR tree-optimization/71661
11203         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Handle case when
11204         removal of a forwarder exposes a new natural loop.
11206 2016-10-06  Uros Bizjak  <ubizjak@gmail.com>
11208         * config/i386/sse.md (andnot<mode>3): Add FALLTHRU comments.
11209         Introduce ssesuffix variable.
11210         (<mask_codefor><code><mode>3<mask_name>): Ditto.
11211         (*<code><mode>3): Ditto.
11213 2016-10-06  Jan Hubicka  <hubicka@ucw.cz>
11215         * postreload.c (reload_cse_simplify): Skip also USE when detecting
11216         noop move.
11218 2016-10-06  Richard Biener  <rguenther@suse.de>
11220         PR tree-optimization/77855
11221         * tree-ssa-pre.c (prune_clobbered_mems): Queue exprs to remove
11222         instead of removing the current item while iterating over the set
11223         which is not safe.
11225 2016-10-06  James Clarke  <jrtc27@jrtc27.com>
11226             Eric Botcazou  <ebotcazou@adacore.com>
11228         PR target/77759
11229         * config/sparc/sparc.c (classify_data_t): Remove int_regs field.
11230         (classify_registers): Don't set it
11231         (function_arg_slotno): Don't initialize and test it.  Tidy up.
11233 2016-10-06  Richard Biener  <rguenther@suse.de>
11235         PR tree-optimization/77839
11236         * tree-ssa-sccvn.c (set_ssa_val_to): Forbid value -> constant value
11237         lattice transition.
11239 2016-10-06  Martin Liska  <mliska@suse.cz>
11241         * gcc.c: Set -fprofile-update=atomic when profiling is
11242         enabled and -pthread is set.  Warn when one combines
11243         -pthread and -fprofile-update=single for an app using
11244         profiling code.
11246 2016-10-06  Martin Liska  <mliska@suse.cz>
11248         PR bootstrap/77788
11249         * expmed.h (mul_highpart_cost_ptr): Add an gcc_assert.
11250         * gimple-ssa-strength-reduction.c (slsr_process_cast):
11251         Initialize a pointer to NULL.
11252         (slsr_process_copy): Likewise.
11253         * input.c (location_get_source_line): Likewise.
11254         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Likewise.
11256 2016-10-05  Andrew Senkevich  <andrew.senkevich@intel.com>
11258         * common/config/i386/i386-common.c (OPTION_MASK_ISA_PCOMMIT_UNSET,
11259         OPTION_MASK_ISA_PCOMMIT_SET): Deleted definitions.
11260         (ix86_handle_option): Deleted handle of OPT_mpcommit.
11261         * config.gcc: Deleted pcommitintrin.h
11262         * config/i386/pcommitintrin.h: Deleted file.
11263         * config/i386/cpuid.h (bit_PCOMMIT): Deleted.
11264         * config/i386/driver-i386.c (host_detect_local_cpu): Deleted pcommit
11265         detection.
11266         * config/i386/i386-c.c (ix86_target_macros_internal): Deleted define
11267         __PCOMMIT__.
11268         * config/i386/i386.c (ix86_target_string): Deleted -mpcommit.
11269         (PTA_PCOMMIT): Deleted define.
11270         (ix86_option_override_internal): Deleted handle of option.
11271         (ix86_valid_target_attribute_inner_p): Deleted pcommit.
11272         * config/i386/i386-builtin.def (IX86_BUILTIN_PCOMMIT,
11273         __builtin_ia32_pcommit): Deleted.
11274         * config/i386/i386.h (TARGET_PCOMMIT, TARGET_PCOMMIT_P): Deleted.
11275         * config/i386/i386.md (unspecv): Deleted UNSPECV_PCOMMIT.
11276         (pcommit): Deleted instruction.
11277         * config/i386/i386.opt: Mention -mpcommit deprecation.
11278         * config/i386/x86intrin.h: Deleted inclusion of pcommitintrin.h.
11280 2016-10-05  Uros Bizjak  <ubizjak@gmail.com>
11282         PR target/77874
11283         * config/i386/sse.md (<mask_codefor><code><mode>3<mask_name>):
11284         Remove wrong assert.
11285         (<floatsuffix>float<sseintvecmodelower><mode>2<mask_name><round_name>:
11286         Use <round_constraint> as operand 1 constraint.
11288 2016-10-05  Jakub Jelinek  <jakub@redhat.com>
11290         PR sanitizer/66343
11291         * ubsan.c (ubsan_create_data): Call initialize_sanitizer_builtins here.
11292         (ubsan_instrument_float_cast): And not here.
11294         PR sanitizer/66343
11295         * ubsan.c (ubsan_ids): New GTY(()) array.
11296         (ubsan_type_descriptor, ubsan_create_data): Use ubsan_ids
11297         instead of static local counters.
11299 2016-10-05  Martin Sebor  <msebor@redhat.com>
11301         PR bootstrap/77819
11302         * config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Define macro.
11303         * config/linux.c (gnu_libc_printf_pointer_format): Remove.
11304         * targhooks.c [DEFAULT_LIBC == LIBC_UCLIBC) && SINGLE_LIBC]
11305         (default_printf_pointer_format): Define function.
11306         * targhooks.c (linux_printf_pointer_format): Define new function.
11307         * targhooks.h (linux_printf_pointer_format): Declare.
11308         (gnu_libc_printf_pointer_format): Remove declaration.
11310 2016-10-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11312         * fold-const.c (native_encode_real): Fix logic for selecting offset
11313         to write to when BYTES_BIG_ENDIAN.
11315 2016-10-05  Wilco Dijkstra  <wdijkstr@arm.com>
11317         * builtins.c (fold_builtin_strchr): Remove function.
11318         (fold_builtin_strrchr): Likewise.
11319         (fold_builtin2): Remove strchr, index, strrchr, rindex cases.
11320         * gimple-fold.c (target_char_cst_p): New function.
11321         (gimple_fold_builtin_strchr) Add more foldings.
11322         (gimple_fold_builtin): Add index, strrchr, rindex cases.
11324 2016-10-05  Richard Biener  <rguenther@suse.de>
11326         PR middle-end/77863
11327         * genmatch.c (capture_info::walk_c_expr): Diagnose unknown
11328         capture ids in c-exprs.
11330 2016-10-05  Richard Biener  <rguenther@suse.de>
11332         PR middle-end/77826
11333         * genmatch.c (dt_operand::gen_match_op): Amend operand_equal_p
11334         with types_match for GIMPLE code gen to handle type mismatched
11335         constants properly.
11336         (dt_operand::gen): Adjust.
11337         * match.pd ((X /[ex] A) * A -> X): Properly handle converted
11338         and constant A.
11340 2016-10-05  Richard Biener  <rguenther@suse.de>
11342         * match.pd (copysign(x, CST) -> [-]abs (x)): New pattern.
11344 2016-10-05  Richard Biener  <rguenther@suse.de>
11346         PR middle-end/77842
11347         * genmatch.c (parser::parse_c_expr): Handle premature EOF.
11349 2016-10-05  Pierre-Marie de Rodat  <derodat@adacore.com>
11351         * dwarf2out.c (dwarf2out_imported_module_or_decl): Move DWARF
11352         version check to protect only DW_TAG_imported_module generation.
11354 2016-10-05  Richard Biener  <rguenther@suse.de>
11356         PR middle-end/55152
11357         * match.pd (min(a,-a) -> -abs(a)): New pattern.
11359 2016-10-04  Ian Lance Taylor  <iant@golang.org>
11361         * explow.c (allocate_dynamic_stack_space): Call
11362         do_pending_stack_adjust before handling flag_split_stack.
11364 2016-10-04  David Malcolm  <dmalcolm@redhat.com>
11366         * genattrtab.c (make_internal_attr): Supply dummy column number to
11367         file_location ctor.
11368         (main): Likewise.
11369         * genoutput.c (init_insn_for_nothing): Likewise.
11370         * gensupport.c (add_define_attr): Likewise.
11371         * read-md.c (message_at_1): Print column number.
11372         (fatal_with_file_and_line): Likewise.
11373         (rtx_reader::read_char): Track column numbers.
11374         (rtx_reader::unread_char): Likewise.
11375         (rtx_reader::rtx_reader): Initialize m_read_md_colno.
11376         (rtx_reader::handle_include): Stash and restore m_read_md_colno.
11377         (rtx_reader::handle_file): Initialize m_read_md_colno.
11378         (rtx_reader::get_current_location): Supply column number to
11379         file_location ctor.
11380         * read-md.h (struct file_location): Add field "colno".
11381         (file_location::file_location): Likewise.
11382         (rtx_reader::get_colno): New accessor.
11383         (rtx_reader::m_read_md_colno): New field.
11384         (rtx_reader::m_last_line_colno): New field.
11386 2016-10-04  Jakub Jelinek  <jakub@redhat.com>
11388         * doc/extend.texi (Java Exceptions): Remove.
11389         (java_interface): Remove.
11391 2016-10-04  Doug Gilmore  <doug.gilmore@imgtec.com>
11393         PR tree-optimization/77808
11394         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Check base_addr
11395         and addr are different before copying points-to information.
11397 2016-10-04  Uros Bizjak  <ubizjak@gmail.com>
11399         * config/i386/x86-tune.def (X86_TUNE_VECTORIZE_DOUBLE): Remove.
11400         * config/i386/i386.h (TARGET_VECTORIZE_DOUBLE): Remove.
11401         * config/i386/i386.c (ix86_add_stmt_cost): Use TARGET_BONNEL instead
11402         of !TARGET_VECTORIZE_DOUBLE when penalizing DFmode vector ops.
11404 2016-10-04  Richard Biener  <rguenther@suse.de>
11406         PR tree-optimization/77399
11407         * tree-ssa-forwprop.c (simplify_vector_constructor): Properly
11408         verify the target can convert.
11410 2016-10-04  Richard Biener  <rguenther@suse.de>
11412         PR middle-end/77833
11413         * explow.c (plus_constant): Verify the mode of the constant
11414         pool offset before calling plus_constant.
11416 2016-10-04  Richard Biener  <rguenther@suse.de>
11418         PR middle-end/77407
11419         * match.pd (X / abs (X) -> X < 0 ? -1 : 1): Drop vector
11420         type support, mark with :C.
11421         (X / -X -> -1): Mark with :C.
11423 2016-10-04  Jakub Jelinek  <jakub@redhat.com>
11425         * defaults.h (JCR_SECTION_NAME, TARGET_USE_JCR_SECTION): Remove.
11426         * system.h (JCR_SECTION_NAME, TARGET_USE_JCR_SECTION): Poison.
11427         * doc/tm.texi.in (TARGET_USE_JCR_SECTION): Remove.
11428         * doc/tm.texi: Regenerated.
11429         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Remove.
11430         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Remove.
11431         * config/darwin.h (JCR_SECTION_NAME): Remove.
11432         * config/pa/pa64-hpux.h (JCR_SECTION_NAME): Remove.
11433         * config/rs6000/aix71.h (TARGET_USE_JCR_SECTION): Remove.
11434         * config/rs6000/aix51.h (TARGET_USE_JCR_SECTION): Remove.
11435         * config/rs6000/aix52.h (TARGET_USE_JCR_SECTION): Remove.
11436         * config/rs6000/aix53.h (TARGET_USE_JCR_SECTION): Remove.
11437         * config/rs6000/aix61.h (TARGET_USE_JCR_SECTION): Remove.
11439 2016-10-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11441         * ipa-cp.c (propagate_bits_accross_jump_function): Introduce space
11442         between "because" and "param" in dump message in call to fprintf.
11444 2016-10-03  Jeff Law  <law@redhat.com>
11446         PR tree-optimization/71550
11447         PR tree-optimization/71403
11448         * tree-ssa-threadbackward.c: Include tree-vectorizer.h
11449         (profitable_jump_thread_path): Also return boolean indicating if
11450         the realized path will create an irreducible loop.
11451         Remove loop depth tests from 71403.
11452         (fsm_find_control_statement_thread_paths): Remove loop depth tests
11453         from 71403.  If threading will create an irreducible loop, then
11454         throw away loop iteration and related information.
11456 2016-10-03  Uros Bizjak  <ubizjak@gmail.com>
11458         * configure.ac (strict_warn): Merge -Wmissing-format-attribute and
11459         -Woverloaded-virtual checks for warning options.
11460         * configure: Regenerate.
11462 2016-10-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11464         PR preprocessor/77699
11465         * input.c (maybe_grow): Don't allocate one byte extra headroom.
11466         (get_next_line): Return false on error.
11467         (read_next_line): Removed, use get_next_line instead.
11468         (read_line_num): Don't copy the line.
11469         (location_get_source_line): Don't use static data.
11470         (selftest::test_reading_source_line): Add more test cases.
11472 2016-10-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11474         Revert
11475         2016-09-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11477         * ifcvt.c (noce_try_avoid_const_materialization): New function.
11478         (noce_process_if_block): Use it.
11480 2016-10-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11482         * doc/invoke.texi: Update -Wint-in-bool-context.
11484 2016-10-02  Jakub Jelinek  <jakub@redhat.com>
11486         * dwarf2out.c (output_fde, output_call_frame_info,
11487         dwarf2out_do_cfi_startproc, set_indirect_string,
11488         gen_internal_sym, output_die, output_line_info): Use
11489         MAX_ARTIFICIAL_LABEL_BYTES as char array sizes for
11490         ASM_GENERATE_INTERNAL_LABEL output.
11492 2016-10-01  Richard Biener  <rguenther@suse.de>
11494         PR middle-end/77798
11495         * genmatch.c (get_operand_type): Add operand position arg
11496         and handle COND_EXPR comparison operand with fixed boolean_type_node.
11497         (expr::gen_transform): Adjust.
11498         (dt_simplify::gen_1): Likewise.
11500 2016-10-01  Jakub Jelinek  <jakub@redhat.com>
11502         * config/i386/sse.md (<mask_codefor><code><mode>): Add FALLTHRU
11503         comments.  Simplify asserts, remove unnecessary conditions.
11504         Formatting fixes.
11505         (*<code><mode>3): Likewise.
11507 2016-09-30  Jakub Jelinek  <jakub@redhat.com>
11509         * doc/invoke.texi (-Wregister): Document.
11511 2016-09-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11513         * configure.ac: Split CHECKING_P into CHECKING_P and
11514         ENABLE_EXTRA_CHECKING.
11515         * configure: Regenerated.
11516         * config.in: Adjust commment of CHECKING_P.  Add ENABLE_EXTRA_CHECKING.
11517         * common.opt (flag_checking): Use CHECKING_P and ENABLE_EXTRA_CHECKING.
11519 2016-09-30  Prasad Ghangal  <prasad.ghangal@gmail.com>
11521         PR other/31566
11522         * gcc.c (process_command): For @filename handling, output
11523         the correct name if the file does not exist.
11525 2016-09-30  Marek Polacek  <polacek@redhat.com>
11527         * config/aarch64/aarch64-simd.md: Adjust fall through comments.
11528         * config/alpha/predicates.md: Likewise.
11530 2016-09-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11532         * ifcvt.c (noce_try_avoid_const_materialization): New function.
11533         (noce_process_if_block): Use it.
11535 2016-09-30  Martin Liska  <mliska@suse.cz>
11537         * doc/invoke.texi: Document asan-use-after-return that
11538         it's disabled by default in runtime.
11540 2016-09-30  Richard Biener  <rguenther@suse.de>
11542         * tree-vrp.c (intersect_ranges): If we failed to handle
11543         the intersection choose a constant singleton range if available.
11545 2016-09-30  Richard Biener  <rguenther@suse.de>
11547         PR tree-optimization/77399
11548         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
11549         float <-> int conversions.
11551 2016-09-30  Alan Modra  <amodra@gmail.com>
11553         * config/rs6000/rs6000.c (rs6000_opt_vars): Revert last change.
11555 2016-09-29  Uros Bizjak  <ubizjak@gmail.com>
11557         * config/i386/driver-i386.c (host_detect_local_cpu): Check maximum
11558         ext_level before calling CPUID with 0x80000008.
11559         Simplify xgetbv checks.
11561 2016-09-29  David Malcolm  <dmalcolm@redhat.com>
11563         * Makefile.in (OBJS): Add print-rtl-function.o.
11564         * print-rtl-function.c: New file.
11565         * print-rtl.h (print_rtx_function): New decl.
11567 2016-09-29  Uros Bizjak  <ubizjak@gmail.com>
11569         PR target/77756
11570         * config/i386/cpuid.h (__get_cpuid_count): New.
11571         (__get_cpuid): Rename __level to __leaf.
11573 2016-09-29  Marek Polacek  <polacek@redhat.com>
11575         * genattrtab.c (write_attr_case): Also emit FALLTHRU marker.
11577 2016-09-29  Bernd Schmidt  <bschmidt@redhat.com>
11579         PR target/77718
11580         * builtins.c (expand_builtin_memcmp): Don't swap args unless
11581         result is only being compared with zero.
11583 2016-09-29  Marek Polacek  <polacek@redhat.com>
11585         * dwarf2out.c (loc_descriptor): Add fall through comment.
11586         (add_const_value_attribute): Likewise.
11588 2016-09-29  Matthew Wahab  <matthew.wahab@arm.com>
11590         * config/arm/arm.md (*arm_movsi_insn): Replace "t2" arch attribute
11591         with "v6t2".  Move "arch" attribute above "pool_range".
11592         * config/arm/vfp.md (*arm_movhi_vfp): Replace "t2" arch attribute
11593         with "v6t2".
11594         (*thumb2_movhi_vfp): Likewise.
11595         (*arm_movhi_fp16): Likewise.
11596         (*thumb2_movhi_fp16): Likewise.
11597         (*arm_movsi_vfp): Remove "arch" attribute.
11598         (*thumb2_movsi_vfp): Likewise.
11600 2016-09-29  Martin Liska  <mliska@suse.cz>
11602         * doc/extend.texi: Remove limitation of Objective C for
11603         __attribute__((constructor)) and __attribute__((destructor)).
11605 2016-09-29  Richard Biener  <rguenther@suse.de>
11607         PR tree-optimization/77768
11608         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11609         Handle stores to readonly memory when removing redundant stores.
11611 2016-09-29  Richard Biener  <rguenther@suse.de>
11613         PR middle-end/77407
11614         * match.pd: Add X / abs (X) -> X < 0 ? -1 : 1 and
11615         X / -X -> -1 simplifications.
11617 2016-09-29  Richard Biener  <rguenther@suse.de>
11619         PR middle-end/55152
11620         * match.pd: Add max(a,-a) -> abs(a) pattern.
11621         * tree-ssa-phiopt.c (minmax_replacement): Disable for
11622         HONOR_SIGNED_ZEROS types.
11624 2016-09-29  James Greenhalgh  <james.greenhalgh@arm.com>
11626         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Remove.
11627         * system.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Poison.
11629 2016-09-29  Richard Biener  <rguenther@suse.de>
11631         * tree-vrp.c (set_defs_to_varying): New helper avoiding
11632         writing to vr_const_varying.
11633         (vrp_initialize): Call it.
11634         (vrp_visit_stmt): Likewise.
11635         (evrp_dom_walker::before_dom_children): Likewise.
11637 2016-09-29  Richard Biener  <rguenther@suse.de>
11639         * tree-vect-stmts.c (vectorizable_load): Avoid emitting vector
11640         constructors with vector elements.
11642 2016-09-29  Richard Biener  <rguenther@suse.de>
11644         PR tree-optimization/77768
11645         * tree-ssa-sccvn.c (visit_reference_op_store): Properly deal
11646         with stores to a place we know has a constant value.
11648 2016-09-29  Alan Modra  <amodra@gmail.com>
11650         * config/rs6000/sysv4.opt (mgnu-attribute): New option.
11651         * doc/invoke.texi: Document it.
11652         * config/rs6000/rs6000.c (HAVE_LD_PPC_GNU_ATTR_LONG_DOUBLE): Define.
11653         (rs6000_passes_float): Comment.
11654         (rs6000_passes_long_double): New static var.
11655         (call_ABI_of_interest): Return false unless rs6000_gnu_attr is set.
11656         (init_cumulative_args): Set up to emit fp .gnu_attribute for
11657         ELF 64-bit ABIs as well as 32-bit ELF.  Correct rs6000_passes_float
11658         to include fp values returned in vectors.
11659         Set rs6000_passes_long_double.
11660         (rs6000_function_arg_advance_1): Likewise for function args.
11661         (rs6000_elf_file_end): Emit fp .gnu_attribute for ELF 64-bit ABIs,
11662         and SPE.  Emit long double tag value too.
11663         (rs6000_opt_vars): Add gnu-attr.
11664         * configure.ac (HAVE_LD_PPC_GNU_ATTR_LONG_DOUBLE): New ppc32 test.
11665         * configure: Regenerate.
11666         * config.in: Regenerate.
11668 2016-09-28  Jakub Jelinek  <jakub@redhat.com>
11670         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Use x > 0 instead
11671         of 0 < x.
11672         (format_floating, format_string, format_directive,
11673         get_destination_size, pass_sprintf_length::handle_gimple_call):
11674         Likewise.
11676 2016-09-28  Jakub Jelinek  <jakub@redhat.com>
11678         * gimple-ssa-sprintf.c: Fix comment formatting.
11679         (format_integer): Use is_gimple_assign.
11680         (pass_sprintf_length::handle_gimple_call): Use gimple_call_builtin_p
11681         and gimple_call_fndecl.  Reorder case BUILT_IN_SPRINTF_CHK.  Fix up
11682         BUILT_IN_SNPRINTF_CHK comment.  Replace "to to" with "to" in comment.
11683         (pass_sprintf_length::execute): Use is_gimple_call.
11685 2016-09-28  Wilco Dijkstra  <wdijkstr@arm.com>
11687         * gimple-fold.c (gimple_fold_builtin): After failing to fold
11688         strchr, also try the generic folding.
11690 2016-09-28  Martin Sebor  <msebor@redhat.com>
11692         PR c/77762
11693         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
11694         Fix typos.
11696 2016-09-28  Martin Sebor  <msebor@redhat.com>
11698         PR middle-end/77683
11699         * gimple-ssa-sprintf.c (format_integer): Fail gracefully when
11700         length modifier is not expected.
11701         (format_floating): Ignore l length modifier and fail gracefuly
11702         when it isn't one of the other expected ones.
11704 2016-09-28  Martin Sebor  <msebor@redhat.com>
11706         PR bootstrap/77753
11707         * varasm.c (assemble_addr_to_section): Increase local buffer size.
11709 2016-09-27  Richard Biener  <rguenther@suse.de>
11711         * dwarf2out.c (cu_die_list): New global.
11712         (dwarf2out_finish): Walk cu_die_list instead of limbo DIEs.  Add
11713         main_comp_unit_die to cu_die_list if we created it.
11714         Move break_out_includes ...
11715         (dwarf2out_early_finish): ... here.  Push created CU DIEs onto
11716         the cu_die_list.
11718 2016-09-28  Richard Biener  <rguenther@suse.de>
11720         * dwarf2out.c (struct die_struct): Add removed flag.
11721         (lookup_type_die): If the DIE is marked as removed, clear
11722         TYPE_SYMTAB_DIE and return NULL.
11723         (lookup_decl_die): If the DIE is marked as removed, remove it
11724         from the hash and return NULL.
11725         (mark_removed): New helper.
11726         (prune_unused_types_prune): Call it for removed DIEs.
11727         (gen_subprogram_die): Move the premark_used_types call to after
11728         DIEs for the functions scopes are generated.
11729         (process_scope_var): Do not re-create pruned types or type decls.
11730         Make sure to also re-parent type decls.
11731         (dwarf2out_finish): Move unused type pruning and debug_types
11732         handling ...
11733         (dwarf2out_early_finish): ... here.
11735 2016-09-29  Claudiu Zissulescu  <claziss@synopsys.com>
11737         * config/arc/arc-c.c: New file.
11738         * config/arc/arc-c.def: Likewise.
11739         * config/arc/t-arc: Likewise.
11740         * config.gcc: Include arc-c.o as c and cpp object.
11741         * config/arc/arc-protos.h (arc_cpu_cpp_builtins): Add prototype.
11742         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Use
11743         arc_cpu_cpp_builtins.
11745 2016-09-29  Claudiu Zissulescu  <claziss@synopsys.com>
11747         * config/arc/arc.md (*rotrsi3_cnt1): New pattern.
11748         (*ashlsi2_cnt1, *lshrsi3_cnt1, *ashrsi3_cnt1): Likewise.
11750 2016-09-28  Nathan Sidwell  <nathan@acm.org>
11752         * gimple-pretty-print.c (dump_gimple_call_args): Simplify "' "
11753         printing.
11755 2016-09-28  Wilco Dijkstra  <wdijkstr@arm.com>
11757         PR tree-optimization/61056
11758         * gimple-fold.c (gimple_fold_builtin_strchr):
11759         New function to optimize strchr (s, 0) to strlen.
11760         (gimple_fold_builtin): Add BUILT_IN_STRCHR case.
11762 2016-09-27  Robin Dapp  <rdapp@linux.vnet.ibm.com>
11764         PR tree-optimization/77724
11765         * tree-vect-loop-manip.c (create_intersect_range_checks_index):
11766         Add tree_fits_shwi_p check.
11768 2016-09-27  Jakub Jelinek  <jakub@redhat.com>
11770         * auto-inc-dec.c (try_merge): Remove break after return.
11771         * cselib.c (autoinc_split): Likewise.
11772         * explow.c (promote_mode): Likewise.
11773         * fixed-value.c (fixed_arithmetic): Likewise.
11774         * hsa.c (hsa_internal_fn::get_arity): Likewise.
11775         * rtlanal.c (modified_between_p, modified_in_p): Likewise.
11776         * trans-mem.c (get_attrs_for): Likewise.
11777         * tree-if-conv.c (if_convertible_stmt_p): Likewise.
11778         * tree-vrp.c (simplify_stmt_using_ranges): Likewise.
11779         * config/aarch64/aarch64-builtins.c (aarch64_fold_builtin): Likewise.
11780         * config/aarch64/aarch64.c (aarch64_get_condition_code_1): Likewise.
11781         * config/c6x/c6x.c (c6x_get_unit_specifier): Likewise.
11782         * config/cr16/cr16.c (legitimate_pic_operand_p): Likewise.
11783         * config/cris/cris.c (cris_op_str): Likewise.
11784         * config/mn10300/mn10300.c (cc_flags_for_code): Likewise.
11785         * config/tilepro/tilepro.c (tilepro_emit_setcc_internal_di): Likewise.
11787 2016-09-27  Nathan Sidwell  <nathan@codesourcery.com>
11789         * internal-fn.h (IFN_UNIQUE_CODES, IFN_GOACC_LOOP_CODES,
11790         IFN_GOACC_REDUCTION_CODES): New.
11791         (enum ifn_unique_kind, enum ifn_goacc_loop_kind, enum
11792         ifn_goacc_reduction_kind): Use them.
11793         * gimple-pretty-print.c (dump_gimple_call_args): Decode first arg
11794         of internal functions, when applicable.
11796 2016-09-27  Maciej W. Rozycki  <macro@imgtec.com>
11798         * config/mips/constraints.md (d): Fix documentation.
11799         * doc/md.texi (Machine Constraints): Update accordingly.
11801 2016-09-27  Richard Biener  <rguenther@suse.de>
11803         * dwarf2out.c (dwarf2out_init): Move text_section_line_info,
11804         cur_line_info_table initialization ...
11805         (dwarf2out_assembly_start): ... here.
11807 2016-09-27  Matthew Wahab  <matthew.wahab@arm.com>
11809         * config/arm/arm.md (*arm_movsi_insn): Add "arch" attribute.
11810         * config/arm/vfp.md (*arm_movhi_vfp): Likewise.
11811         (*thumb2_movhi_vfp): Likewise.
11812         (*arm_movhi_fp16): Remove predication operand from VMOV.F16
11813         template.  Expand predicable attribute to mark VMOV.F16 as not
11814         predicable.  Add "arch" attribute.
11815         (*thumb2_movhi_fp16): Likewise.
11816         (*arm_movsi_vfp): Break a long line.  Add "arch" attribute.
11817         (*thumb2_movsi_vfp): Add "arch" attribute.
11819 2016-09-27  David Edelsohn  <dje.gcc@gmail.com>
11821         * config/rs6000/rs6000.c (rs6000_output_symbol): Don't modify
11822         VAR_DECL string.
11824 2016-09-27  Marek Polacek  <polacek@redhat.com>
11826         * config/ia64/ia64.c (ia64_print_operand): Adjust fall through
11827         comment.
11829         * config/c6x/c6x.h: Adjust fall through comment.
11830         * config/sh/sh.c (final_prescan_insn): Likewise.
11831         * config/visium/visium.c (visium_expand_int_cstore): Likewise.
11832         (visium_expand_fp_cstore): Likewise.
11834 2016-09-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11836         * config/arm/arm.c (const_ok_for_op): Use "Fall through" comment form
11837         expected by -Wimplicit-fallthrough.
11838         (thumb1_size_rtx_costs): Likewise.
11839         (thumb2_reorg): Likewise.
11840         (tls_mentioned_p): Add "Fall through" comment.
11841         (thumb2_reorg): Likewise.
11842         * config/arm/arm-builtins.c (arm_expand_neon_args): Use "Fall through"
11843         comment form expected by -Wimplicit-fallthrough.
11845 2016-09-27  Martin Liska  <mliska@suse.cz>
11847         PR gcov-profile/46266
11848         * input.h (RESERVED_LOCATION_P): New macro.
11849         * profile.c (branch_prob): Use RESERVED_LOCATION_P and
11850         instread of comparison with UNKNOWN_LOCATION.
11852 2016-09-27  Richard Biener  <rguenther@suse.de>
11854         PR tree-optimization/77745
11855         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11856         When removing redundant stores make sure to check compatibility
11857         of the TBAA state for downstream accesses.
11858         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise for when
11859         value-numbering virtual operands for store matches.
11861 2016-09-27  Oleg Endo  <olegendo@gcc.gnu.org>
11863         PR target/51244
11864         * config/sh/sh.c (sh_rtx_costs): Fix return value of SET of movt and
11865         movrt patterns.  Match them before anything else in the SET case.
11867 2016-09-27  Martin Liska  <mliska@suse.cz>
11869         PR gcov-profile/7970
11870         PR gcov-profile/16855
11871         PR gcov-profile/44779
11872         * coverage.c (build_gcov_exit_decl): New function.
11873         (coverage_obj_init): Call the function and generate __gcov_exit
11874         destructor.
11875         * doc/gcov.texi: Document when __gcov_exit function is called.
11877 2016-09-27  Marek Polacek  <polacek@redhat.com>
11879         PR bootstrap/77751
11880         * Makefile.in (insn-attrtab.o-warn, insn-dfatab.o-warn,
11881         insn-latencytab.o-warn, insn-output.o-warn, insn-emit.o-warn): Use
11882         -Wno-error instead of -Wno-implicit-fallthrough.
11884 2016-09-27  Martin Liska  <mliska@suse.cz>
11886         PR bootstrap/77749
11887         * gcov-counter.def: Remove GCOV_COUNTER_V_DELTA.
11889 2016-09-27  Jakub Jelinek  <jakub@redhat.com>
11891         * combine.c (simplify_comparison): Add canonical FALLTHROUGH comments.
11892         * config/i386/i386.c (ix86_dep_by_shift_count_body): Add FALLTHROUGH
11893         comments.  Remove break after return.
11894         (ix86_fp_compare_code_to_integer, has_dispatch,
11895         ix86_simd_clone_usable): Remove break after return.
11897 2016-09-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11899         PR rlt-optimization/77714
11900         * lra-eliminations.c (eliminate_regs_in_insn): Avoid alias on
11901         REG_EQUAL note.
11903 2016-09-27  Kugan Vivekanandarajah  <kuganv@linaro.org>
11905         PR ipa/77677
11906         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Use
11907         extract_range_from_unary_expr to convert value_range.
11908         * tree-vrp.c (extract_range_from_unary_expr_1): Rename to.
11909         (extract_range_from_unary_expr): This.
11910         * tree-vrp.h (extract_range_from_unary_expr): Declare.
11912 2016-09-27  Segher Boessenkool  <segher@kernel.crashing.org>
11914         * config/rs6000/rs6000.md (movcc_internal1): Disparage using CTR or LR.
11916 2016-09-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11918         * config/i386/i386.c (ix86_print_operand)
11919         [HAVE_AS_IX86_CMOV_SUN_SYNTAX]: Add gcc_fallthrough.
11920         * config/sparc/sparc.c (check_pic): Add fallthrough comment.
11921         (epilogue_renumber): Likewise.
11923 2016-09-26  Kugan Vivekanandarajah  <kuganv@linaro.org>
11925         PR middle-end/77719
11926         * tree-ssa-reassoc.c (make_new_ssa_for_def): Use gimple_get_lhs
11927         to get lhs instead of gimple_assign_lhs as stmt can be builtins too.
11929 2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
11931         * tree.h (memmodel_from_int, memmodel_base, is_mm_relaxed,
11932         is_mm_consume, is_mm_acquire, is_mm_release, is_mm_acq_rel,
11933         is_mm_seq_cst, is_mm_sync): Move to ...
11934         * memmodel.h: This.  New file.
11935         * builtins.c: Include memmodel.h.
11936         * optabs.c: Likewise.
11937         * tsan.c: Likewise.
11938         * config/aarch64/aarch64.c: Likewise.
11939         * config/alpha/alpha.c: Likewise.
11940         * config/arm/arm.c: Likewise.
11941         * config/i386/i386.c: Likewise.
11942         * config/ia64/ia64.c: Likewise.
11943         * config/mips/mips.c: Likewise.
11944         * config/rs6000/rs6000.c: Likewise.
11945         * config/sparc/sparc.c: Likewise.
11946         * genconditions.c: Include memmodel.h in generated file.
11947         * genemit.c: Likewise.
11948         * genoutput.c: Likewise.
11949         * genpeep.c: Likewise.
11950         * genpreds.c: Likewise.
11951         * genrecog.c: Likewise.
11953 2016-09-26  David Malcolm  <dmalcolm@redhat.com>
11955         * read-rtl.c (read_rtx_code): Rename local "i" to "idx", and use
11956         "c" instead when parsing characters.  Move operand parsing into...
11957         (read_rtx_operand): ...this new function, renaming "i" to "idx",
11958         and tightening the scope of various locals.
11960 2016-09-26  Liu Hao  <lh_mouse@126.com>
11962         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Fix typo.
11964 2016-09-26  Marek Polacek  <polacek@redhat.com>
11966         * system.h: Use __has_attribute to check whether the fallthrough
11967         attribute is supported.
11969 2016-09-26  Marek Polacek  <polacek@redhat.com>
11971         * ipa-inline-analysis.c (find_foldable_builtin_expect): Use
11972         gimple_call_internal_p.
11973         * ipa-split.c (find_return_bb): Likewise.
11974         (execute_split_functions): Likewise.
11975         * omp-low.c (dump_oacc_loop_part): Likewise.
11976         (oacc_loop_xform_head_tail): Likewise.
11977         * predict.c (predict_loops): Likewise.
11978         * sanopt.c (pass_sanopt::execute): Likewise.
11979         * tree-cfg.c (get_abnormal_succ_dispatcher): Likewise.
11980         * tree-parloops.c (oacc_entry_exit_ok_1): Likewise.
11981         * tree-stdarg.c (gimple_call_ifn_va_arg_p): Remove function.
11982         (expand_ifn_va_arg_1): Use gimple_call_internal_p.
11983         (expand_ifn_va_arg): Likewise.
11984         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
11985         (optimize_mask_stores): Likewise.
11986         * tree-vect-stmts.c (vect_simd_lane_linear): Likewise.
11987         (vect_transform_stmt): Likewise.
11988         * tree-vectorizer.c (vect_loop_vectorized_call): Likewise.
11989         * tsan.c (instrument_memory_accesses): Likewise.
11991 2016-09-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11992             Alexander Monakov  <amonakov@ispras.ru>
11994         * regrename.c (rename_chains): Check
11995         HARD_FRAME_POINTER_IS_FRAME_POINTER rather than
11996         HARD_FRAME_POINTER_REGNUM when picking unavailable registers.
11997         * sel-sched.c (mark_unavailable_hard_regs): Likewise.
11999 2016-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12001         * config/s390/s390.c (s390_rtx_costs): Add /* fallthrough */.
12002         (s390_sched_score): Likewise.
12004 2016-09-26  Martin Liska  <mliska@suse.cz>
12006         * doc/gcov.texi: Update program output of gcov tool.
12008 2016-09-26  Martin Liska  <mliska@suse.cz>
12010         PR gcov-profile/23332
12011         * profile.c (instrument_values): Do not handle HIST_TYPE_CONST_DELTA.
12012         * tree-profile.c (gimple_gen_const_delta_profiler): Remove.
12013         * value-prof.c (dump_histogram_value): Do not handle
12014         HIST_TYPE_CONST_DELTA.
12015         (stream_in_histogram_value): Likewise.
12016         (gimple_find_values_to_profile): Likewise.
12017         * value-prof.h (enum hist_type): Likewise.
12019 2016-09-26  Martin Liska  <mliska@suse.cz>
12021         * common.opt: Exclude SANITIZE_UNREACHABLE and SANITIZE_RETURN
12022         from default sanitize recover values.
12023         * doc/invoke.texi: Fix documentation related to -fsanitize=leak,
12024         -fsanitize=address, -fsanitize=thread and -fsanitize-recover.
12025         * flag-types.h: Replace couple of 1 << x to 1UL << x, make it
12026         consistent.
12027         * opts.c (finish_options): Do a generic loop over options
12028         that can be recovered.
12029         (parse_sanitizer_options): Exclude SANITIZE_UNREACHABLE and
12030         SANITIZE_RETURN.
12031         (common_handle_option): Likewise.
12032         * opts.h: Declare can_recover to sanitizer_opts_s.
12034 2016-09-26  Andre Vieira  <andre.simoesdiasvieira@arm.com>
12036         * target.def(elf_flags_numeric): Change documentation to present tense.
12037         * doc/tm.texi: Regenerate.
12039 2016-09-26  Marek Polacek  <polacek@redhat.com>
12041         PR c/7652
12042         * Makefile.in (insn-attrtab.o-warn, insn-dfatab.o-warn,
12043         insn-latencytab.o-warn, insn-output.o-warn, insn-emit.o-warn): Add
12044         -Wno-switch-fallthrough.
12045         * builtins.c (expand_builtin_int_roundingfn_2): Add gcc_fallthrough.
12046         (expand_builtin): Likewise.
12047         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass): Likewise.
12048         * convert.c (convert_to_real_1): Likewise.
12049         (convert_to_integer_1): Likewise.
12050         * final.c (output_alternate_entry_point): Likewise.
12051         * genattrtab.c (make_canonical): Likewise.
12052         (write_test_expr): Likewise.
12053         * genpreds.c (validate_exp): Likewise.
12054         * gimple-ssa-strength-reduction.c
12055         (find_candidates_dom_walker::before_dom_children): Likewise.
12056         * godump.c (go_format_type): Likewise.
12057         * reload1.c (elimination_effects): Likewise.
12058         * resource.c (mark_referenced_resources): Likewise.
12059         (mark_set_resources): Likewise.
12060         * tree-ssa-loop-ivopts.c (find_deriving_biv_for_expr): Likewise.
12061         * varasm.c (output_addressed_constants): Likewise.
12063 2016-09-26  Marek Polacek  <polacek@redhat.com>
12065         PR c/7652
12066         * common.opt (Wimplicit-fallthrough): New option.
12067         * doc/extend.texi: Document statement attributes and the fallthrough
12068         attribute.
12069         * doc/invoke.texi: Document -Wimplicit-fallthrough.
12070         * gimple.h (gimple_call_internal_p): New function.
12071         * gimplify.c (struct gimplify_ctx): Add in_switch_expr.
12072         (struct label_entry): New struct.
12073         (find_label_entry): New function.
12074         (case_label_p): New function.
12075         (collect_fallthrough_labels): New function.
12076         (last_stmt_in_scope): New function.
12077         (should_warn_for_implicit_fallthrough): New function.
12078         (warn_implicit_fallthrough_r): New function.
12079         (maybe_warn_implicit_fallthrough): New function.
12080         (expand_FALLTHROUGH_r): New function.
12081         (expand_FALLTHROUGH): New function.
12082         (gimplify_switch_expr): Call maybe_warn_implicit_fallthrough and
12083         expand_FALLTHROUGH for the innermost GIMPLE_SWITCH.
12084         (gimplify_label_expr): New function.
12085         (gimplify_case_label_expr): Set location.
12086         (gimplify_expr): Call gimplify_label_expr.
12087         * internal-fn.c (expand_FALLTHROUGH): New function.
12088         * internal-fn.def (FALLTHROUGH): New internal function.
12089         * langhooks.c (lang_GNU_OBJC): New function.
12090         * langhooks.h (lang_GNU_OBJC): Declare.
12091         * system.h (gcc_fallthrough): Define.
12092         * tree-core.h: Add FALLTHROUGH_LABEL_P comment.
12093         * tree.h (FALLTHROUGH_LABEL_P): Define.
12095 2016-09-26  Richard Biener  <rguenther@suse.de>
12097         * dwarf2out.c (stripattributes): Remove unused function.
12098         (DEBUG_NORM_MACINFO_SECTION): Rename to DEBUG_MACINFO_SECTION.
12099         Push dwarf_split_debug_info handling into init_sections_and_labels.
12100         (DEBUG_NORM_MACRO_SECTION): Likewise to DEBUG_MACRO_SECTION.
12101         (DEBUG_MACRO_SECTION_FLAGS): Remove.
12102         (debug_macinfo_section_name): New global.
12103         (output_macinfo): Use debug_macinfo_section_name.
12104         (init_sections_and_labels): Split out section and label generation
12105         from dwarf2out_init.  Set debug_macinfo_section_name.
12106         (dwarf2out_init): Move text section label generation and emission
12107         to ...
12108         (dwarf2out_assembly_start): ... here.
12109         (dwarf2out_finish): Call init_sections_and_labels before DWARF
12110         output starts.
12112 2016-09-26  Richard Biener  <rguenther@suse.de>
12114         PR debug/77692
12115         * cgraphunit.c (analyze_functions): Before early removing
12116         global vars calls the late_global_decl debug handler mark
12117         the variable as readonly.
12119 2016-09-25  Oleg Endo  <olegendo@gcc.gnu.org>
12121         PR target/51244
12122         * config/sh/sh.c (sh_movt_set_dest, sh_movrt_set_dest): Add overloads.
12123         (sh_rtx_costs): Handle SET of movt and movrt patterns.
12124         * cnofig/sh/sh-protos.h (sh_movt_set_dest, sh_movrt_set_dest): Forward
12125         declare new overloads.
12126         * config/sh/sh.md (*cset_zero): Add variant that takes a treg_set_expr
12127         operand.
12129 2016-09-24  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
12131         * config/rs6000/rs6000.c (expand_block_compare, do_load_for_compare):
12132         Change TARGET_LITTLE_ENDIAN to !BYTES_BIG_ENDIAN.
12134 2016-09-24  David Edelsohn  <dje.gcc@gmail.com>
12136         * configure.ac (gcc_cv_as_aix_dwloc): Fix typo in assembly fragment.
12137         * configure: Regenerate.
12139 2016-09-24  Marek Polacek  <polacek@redhat.com>
12141         PR c/77490
12142         * doc/invoke.texi: Document -Wbool-operation.
12144 2016-09-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
12146         * config/rs6000/rs6000.md (cmpmemsi): New define_expand.
12147         * config/rs6000/rs6000.c (expand_block_compare): New function used by
12148         cmpmemsi pattern to do builtin expansion of memcmp ().
12149         (compute_current_alignment): Add helper function for
12150         expand_block_compare used to compute alignment as the compare proceeds.
12151         (select_block_compare_mode): Used by expand_block_compare to select
12152         the mode used for reading the next chunk of bytes in the compare.
12153         (do_load_for_compare): Used by expand_block_compare to emit the load
12154         insns for the compare.
12155         (rs6000_emit_dot_insn): Moved this function to avoid a forward
12156         reference from expand_block_compare ().
12157         * config/rs6000/rs6000-protos.h (expand_block_compare): Add a
12158         prototype for this function.
12159         * config/rs6000/rs6000.opt (mblock-compare-inline-limit): Add a new
12160         target option for controlling how much code inline expansion of
12161         memcmp() will be allowed to generate.
12163 2016-09-23  Jakub Jelinek  <jakub@redhat.com>
12165         * hooks.c (hook_bool_bool_false, hook_bool_bool_gcc_optionsp_false,
12166         hook_bool_mode_false, hook_bool_mode_true,
12167         hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
12168         hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
12169         hook_bool_const_rtx_insn_const_rtx_insn_true,
12170         hook_bool_mode_uhwi_false, hook_void_FILEptr_constcharptr,
12171         hook_bool_FILEptr_rtx_false, hook_bool_gsiptr_false,
12172         hook_bool_const_tree_hwi_hwi_const_tree_false,
12173         hook_bool_const_tree_hwi_hwi_const_tree_true,
12174         default_can_output_mi_thunk_no_vcall, hook_int_uint_mode_1,
12175         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
12176         hook_int_rtx_0, hook_int_rtx_bool_0, hook_void_tree,
12177         hook_void_constcharptr, hook_void_tree_treeptr, hook_void_int_int,
12178         hook_bool_tree_false, hook_bool_const_tree_false, hook_bool_tree_true,
12179         hook_bool_const_tree_true, hook_bool_tree_tree_false,
12180         hook_bool_tree_tree_true, hook_bool_tree_bool_false,
12181         hook_bool_rtx_insn_true, hook_bool_rtx_false,
12182         hook_bool_uintp_uintp_false,
12183         hook_bool_rtx_mode_int_int_intp_bool_false, hook_rtx_rtx_null,
12184         hook_rtx_tree_int_null, hook_uint_mode_0,
12185         hook_constcharptr_const_tree_null, hook_tree_tree_int_treep_bool_null,
12186         hook_tree_tree_tree_null, hook_tree_tree_tree_tree_null,
12187         hook_constcharptr_const_rtx_insn_null,
12188         hook_constcharptr_const_tree_const_tree_null,
12189         hook_constcharptr_int_const_tree_null,
12190         hook_constcharptr_int_const_tree_const_tree_null,
12191         hook_tree_const_tree_null, hook_bool_rtx_insn_int_false,
12192         hook_void_rtx_insn_int, hook_void_gcc_optionsp): For arguments with
12193         ATTRIBUTE_UNUSED, remove parameter name as well as ATTRIBUTE_UNUSED.
12195         * vec.h (vNULL): Extend comment to say = vNULL initialization
12196         isn't needed for static vars.
12198         * sel-sched-ir.c (sel_global_bb_info, sel_region_bb_info,
12199         loop_nests, s_i_d, last_added_blocks): Remove unnecessary
12200         = vNULL initialization of file scope vec.
12201         * passes.c (pass_tab, enabled_pass_uid_range_tab,
12202         disabled_pass_uid_range_tab): Likewise.
12203         * haifa-sched.c (sched_luids, h_i_d): Likewise.
12204         * tree-chkp-opt.c (check_infos): Likewise.
12205         * sel-sched.c (vec_av_set, vec_temp_moveop_nops): Likewise.
12207         * vec.h (vnull::operator vec): Add constexpr keyword for
12208         C++11 and later.
12210 2016-09-23  Doug Gilmore  <doug.gilmore@imgtec.com>
12212         PR tree-optimization/77654
12213         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Add call
12214         to duplicate_ssa_name_ptr_info.
12216 2016-09-23  David Malcolm  <dmalcolm@redhat.com>
12218         PR preprocessor/77672
12219         * input.c (selftest::test_lexer_string_locations_simple): Update
12220         test to expect location information of the terminator character
12221         at the location of the final closing quote.
12222         (selftest::test_lexer_string_locations_hex): Likewise.
12223         (selftest::test_lexer_string_locations_oct): Likewise.
12224         (selftest::test_lexer_string_locations_letter_escape_1): Likewise.
12225         (selftest::test_lexer_string_locations_letter_escape_2): Likewise.
12226         (selftest::test_lexer_string_locations_ucn4): Likewise.
12227         (selftest::test_lexer_string_locations_ucn8): Likewise.
12228         (selftest::test_lexer_string_locations_u8): Likewise.
12229         (selftest::test_lexer_string_locations_utf8_source): Likewise.
12230         (selftest::test_lexer_string_locations_concatenation_1): Likewise.
12231         (selftest::test_lexer_string_locations_concatenation_2): Likewise.
12232         (selftest::test_lexer_string_locations_concatenation_3): Likewise.
12233         (selftest::test_lexer_string_locations_macro): Likewise.
12234         (selftest::test_lexer_string_locations_long_line): Likewise.
12236 2016-09-23  Richard Biener  <rguenther@suse.de>
12238         * tree-ssa-sccvn.c (visit_reference_op_call): Value number
12239         virtual definition to virtual use if the call devirtualizes
12240         to a const or pure function.
12241         (visit_use): Also visit calls we can devirtualize to a
12242         const or pure function.
12244 2016-09-23  Richard Biener  <rguenther@suse.de>
12246         PR tree-optimization/77697
12247         * tree-ssa-forwprop.c (defcodefor_name): Remove bogus code,
12248         signal error if we have sth ternary or unhandled.
12250 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12252         * config/arm/arm_neon.h (vabd_f16): New.
12253         (vabdq_f16): New.
12254         (vabs_f16): New.
12255         (vabsq_f16): New.
12256         (vadd_f16): New.
12257         (vaddq_f16): New.
12258         (vcage_f16): New.
12259         (vcageq_f16): New.
12260         (vcagt_f16): New.
12261         (vcagtq_f16): New.
12262         (vcale_f16): New.
12263         (vcaleq_f16): New.
12264         (vcalt_f16): New.
12265         (vcaltq_f16): New.
12266         (vceq_f16): New.
12267         (vceqq_f16): New.
12268         (vceqz_f16): New.
12269         (vceqzq_f16): New.
12270         (vcge_f16): New.
12271         (vcgeq_f16): New.
12272         (vcgez_f16): New.
12273         (vcgezq_f16): New.
12274         (vcgt_f16): New.
12275         (vcgtq_f16): New.
12276         (vcgtz_f16): New.
12277         (vcgtzq_f16): New.
12278         (vcle_f16): New.
12279         (vcleq_f16): New.
12280         (vclez_f16): New.
12281         (vclezq_f16): New.
12282         (vclt_f16): New.
12283         (vcltq_f16): New.
12284         (vcltz_f16): New.
12285         (vcltzq_f16): New.
12286         (vcvt_f16_s16): New.
12287         (vcvt_f16_u16): New.
12288         (vcvt_s16_f16): New.
12289         (vcvt_u16_f16): New.
12290         (vcvtq_f16_s16): New.
12291         (vcvtq_f16_u16): New.
12292         (vcvtq_s16_f16): New.
12293         (vcvtq_u16_f16): New.
12294         (vcvta_s16_f16): New.
12295         (vcvta_u16_f16): New.
12296         (vcvtaq_s16_f16): New.
12297         (vcvtaq_u16_f16): New.
12298         (vcvtm_s16_f16): New.
12299         (vcvtm_u16_f16): New.
12300         (vcvtmq_s16_f16): New.
12301         (vcvtmq_u16_f16): New.
12302         (vcvtn_s16_f16): New.
12303         (vcvtn_u16_f16): New.
12304         (vcvtnq_s16_f16): New.
12305         (vcvtnq_u16_f16): New.
12306         (vcvtp_s16_f16): New.
12307         (vcvtp_u16_f16): New.
12308         (vcvtpq_s16_f16): New.
12309         (vcvtpq_u16_f16): New.
12310         (vcvt_n_f16_s16): New.
12311         (vcvt_n_f16_u16): New.
12312         (vcvtq_n_f16_s16): New.
12313         (vcvtq_n_f16_u16): New.
12314         (vcvt_n_s16_f16): New.
12315         (vcvt_n_u16_f16): New.
12316         (vcvtq_n_s16_f16): New.
12317         (vcvtq_n_u16_f16): New.
12318         (vfma_f16): New.
12319         (vfmaq_f16): New.
12320         (vfms_f16): New.
12321         (vfmsq_f16): New.
12322         (vmax_f16): New.
12323         (vmaxq_f16): New.
12324         (vmaxnm_f16): New.
12325         (vmaxnmq_f16): New.
12326         (vmin_f16): New.
12327         (vminq_f16): New.
12328         (vminnm_f16): New.
12329         (vminnmq_f16): New.
12330         (vmul_f16): New.
12331         (vmul_lane_f16): New.
12332         (vmul_n_f16): New.
12333         (vmulq_f16): New.
12334         (vmulq_lane_f16): New.
12335         (vmulq_n_f16): New.
12336         (vneg_f16): New.
12337         (vnegq_f16): New.
12338         (vpadd_f16): New.
12339         (vpmax_f16): New.
12340         (vpmin_f16): New.
12341         (vrecpe_f16): New.
12342         (vrecpeq_f16): New.
12343         (vrnd_f16): New.
12344         (vrndq_f16): New.
12345         (vrnda_f16): New.
12346         (vrndaq_f16): New.
12347         (vrndm_f16): New.
12348         (vrndmq_f16): New.
12349         (vrndn_f16): New.
12350         (vrndnq_f16): New.
12351         (vrndp_f16): New.
12352         (vrndpq_f16): New.
12353         (vrndx_f16): New.
12354         (vrndxq_f16): New.
12355         (vrsqrte_f16): New.
12356         (vrsqrteq_f16): New.
12357         (vrecps_f16): New.
12358         (vrecpsq_f16): New.
12359         (vrsqrts_f16): New.
12360         (vrsqrtsq_f16): New.
12361         (vsub_f16): New.
12362         (vsubq_f16): New.
12364 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12366         * config.gcc (extra_headers): Add arm_fp16.h
12367         * config/arm/arm_fp16.h: New.
12368         * config/arm/arm_neon.h: Include "arm_fp16.h".
12370 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12372         * config/arm/arm_neon_builtins.def (vadd): New (v8hf, v4hf
12373         variants).
12374         (vmulf): New (v8hf, v4hf variants).
12375         (vfma): New (v8hf, v4hf variants).
12376         (vfms): New (v8hf, v4hf variants).
12377         (vsub): New (v8hf, v4hf variants).
12378         (vcage): New (v8hf, v4hf variants).
12379         (vcagt): New (v8hf, v4hf variants).
12380         (vcale): New (v8hf, v4hf variants).
12381         (vcalt): New (v8hf, v4hf variants).
12382         (vceq): New (v8hf, v4hf variants).
12383         (vcgt): New (v8hf, v4hf variants).
12384         (vcge): New (v8hf, v4hf variants).
12385         (vcle): New (v8hf, v4hf variants).
12386         (vclt): New (v8hf, v4hf variants).
12387         (vceqz): New (v8hf, v4hf variants).
12388         (vcgez): New (v8hf, v4hf variants).
12389         (vcgtz): New (v8hf, v4hf variants).
12390         (vcltz): New (v8hf, v4hf variants).
12391         (vclez): New (v8hf, v4hf variants).
12392         (vabd): New (v8hf, v4hf variants).
12393         (vmaxf): New (v8hf, v4hf variants).
12394         (vmaxnm): New (v8hf, v4hf variants).
12395         (vminf): New (v8hf, v4hf variants).
12396         (vminnm): New (v8hf, v4hf variants).
12397         (vpmaxf): New (v4hf variant).
12398         (vpminf): New (v4hf variant).
12399         (vpadd): New (v4hf variant).
12400         (vrecps): New (v8hf, v4hf variants).
12401         (vrsqrts): New (v8hf, v4hf variants).
12402         (vabs): New (v8hf, v4hf variants).
12403         (vneg): New (v8hf, v4hf variants).
12404         (vrecpe): New (v8hf, v4hf variants).
12405         (vrnd): New (v8hf, v4hf variants).
12406         (vrnda): New (v8hf, v4hf variants).
12407         (vrndm): New (v8hf, v4hf variants).
12408         (vrndn): New (v8hf, v4hf variants).
12409         (vrndp): New (v8hf, v4hf variants).
12410         (vrndx): New (v8hf, v4hf variants).
12411         (vrsqrte): New (v8hf, v4hf variants).
12412         (vmul_lane): Add v4hf and v8hf variants.
12413         (vmul_n): Add v4hf and v8hf variants.
12414         (vext): New (v8hf, v4hf variants).
12415         (vcvts): New (v8hi, v4hi variants).
12416         (vcvts): New (v8hf, v4hf variants).
12417         (vcvtu): New (v8hi, v4hi variants).
12418         (vcvtu): New (v8hf, v4hf variants).
12419         (vcvts_n): New (v8hf, v4hf variants).
12420         (vcvtu_n): New (v8hi, v4hi variants).
12421         (vcvts_n): New (v8hi, v4hi variants).
12422         (vcvtu_n): New (v8hf, v4hf variants).
12423         (vbsl): New (v8hf, v4hf variants).
12424         (vcvtas): New (v8hf, v4hf variants).
12425         (vcvtau): New (v8hf, v4hf variants).
12426         (vcvtms): New (v8hf, v4hf variants).
12427         (vcvtmu): New (v8hf, v4hf variants).
12428         (vcvtns): New (v8hf, v4hf variants).
12429         (vcvtnu): New (v8hf, v4hf variants).
12430         (vcvtps): New (v8hf, v4hf variants).
12431         (vcvtpu): New (v8hf, v4hf variants).
12433 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12435         * config/arm/arm-builtins.c (hf_UP): New.
12436         (si_UP): New.
12437         (vfp_builtin_data): New.  Update comment.
12438         (enum arm_builtins): Include "arm_vfp_builtins.def".
12439         (ARM_BUILTIN_VFP_PATTERN_START): New.
12440         (arm_init_vfp_builtins): New.
12441         (arm_init_builtins): Add arm_init_vfp_builtins.
12442         (arm_expand_vfp_builtin): New.
12443         (arm_expand_builtins): Update for arm_expand_vfp_builtin.  Fix
12444         long line.
12445         * config/arm/arm_vfp_builtins.def: New file.
12446         * config/arm/t-arm (arm.o): Add arm_vfp_builtins.def.
12447         (arm-builtins.o): Likewise.
12449 2016-09-23  Kugan Vivekanandarajah  <kuganv@linaro.org>
12451         PR ipa/77677
12452         * ipa-cp.c (propagate_vr_accross_jump_function): Drop TREE_OVERFLOW
12453         from constant while creating value range.
12455 2016-09-23  Renlin Li  <renlin.li@arm.com>
12457         * ira.c (ira): Move ira_use_lra_p initialization code to ...
12458         (ira_init_once): Here.
12460 2016-09-23  Uros Bizjak  <ubizjak@gmail.com>
12461             Jakub Jelinek  <jakub@redhat.com>
12463         * hooks.h (hook_uint_uintp_false): Rename to...
12464         (hook_bool_uint_uintp_false): ... this.
12465         * hooks.c (hook_uint_uintp_false): Rename to...
12466         (hook_bool_uint_uintp_false): ... this.
12467         * target.def (elf_flags_numeric): Use hook_bool_uint_uintp_false
12468         instead of hook_uint_uintp_false.
12470 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12472         * config/arm/arm-builtins.c (arm_init_neon_builtin): New.
12473         (arm_init_builtins): Move body of a loop to the standalone
12474         function arm_init_neon_builtin.
12475         (arm_expand_neon_builtin_1): New.  Update comment.  Function body
12476         moved from arm_neon_builtin with some white-space fixes.
12477         (arm_expand_neon_builtin): Move code into the standalone function
12478         arm_expand_neon_builtin_1.
12480 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12482         * config/arm/iterators.md (VCVTHI): New.
12483         (NEON_VCMP): Add UNSPEC_VCLT and UNSPEC_VCLE.  Fix a long line.
12484         (NEON_VAGLTE): New.
12485         (VFM_LANE_AS): New.
12486         (VH_CVTTO): New.
12487         (V_reg): Add HF, V4HF and V8HF.  Fix white-space.
12488         (V_HALF): Add V4HF.  Fix white-space.
12489         (V_if_elem): Add HF, V4HF and V8HF.  Fix white-space.
12490         (V_s_elem): Likewise.
12491         (V_sz_elem): Fix white-space.
12492         (V_elem_ch): Likewise.
12493         (VH_elem_ch): New.
12494         (scalar_mul_constraint): Add V8HF and V4HF.
12495         (Is_float_mode): Fix white-space.
12496         (Is_d_reg): Add V4HF and V8HF.  Fix white-space.
12497         (q): Add HF.  Fix white-space.
12498         (float_sup): New.
12499         (float_SUP): New.
12500         (cmp_op_unsp): Add UNSPEC_VCALE and UNSPEC_VCALT.
12501         (neon_vfm_lane_as): New.
12502         * config/arm/neon.md (add<mode>3_fp16): New.
12503         (sub<mode>3_fp16): New.
12504         (mul<mode>3add<mode>_neon): New.
12505         (fma<VH:mode>4_intrinsic): New.
12506         (fmsub<VCVTF:mode>4_intrinsic): Fix white-space.
12507         (fmsub<VH:mode>4_intrinsic): New.
12508         (<absneg_str><mode>2): New.
12509         (neon_v<absneg_str><mode>): New.
12510         (neon_v<fp16_rnd_str><mode>): New.
12511         (neon_vrsqrte<mode>): New.
12512         (neon_vpaddv4hf): New.
12513         (neon_vadd<mode>): New.
12514         (neon_vsub<mode>): New.
12515         (neon_vmulf<mode>): New.
12516         (neon_vfma<VH:mode>): New.
12517         (neon_vfms<VH:mode>): New.
12518         (neon_vc<cmp_op><mode>): New.
12519         (neon_vc<cmp_op><mode>_fp16insn): New
12520         (neon_vc<cmp_op_unsp><mode>_fp16insn_unspec): New.
12521         (neon_vca<cmp_op><mode>): New.
12522         (neon_vca<cmp_op><mode>_fp16insn): New.
12523         (neon_vca<cmp_op_unsp><mode>_fp16insn_unspec): New.
12524         (neon_vc<cmp_op>z<mode>): New.
12525         (neon_vabd<mode>): New.
12526         (neon_v<maxmin>f<mode>): New.
12527         (neon_vp<maxmin>fv4hf: New.
12528         (neon_<fmaxmin_op><mode>): New.
12529         (neon_vrecps<mode>): New.
12530         (neon_vrsqrts<mode>): New.
12531         (neon_vrecpe<mode>): New (VH variant).
12532         (neon_vdup_lane<mode>_internal): New.
12533         (neon_vdup_lane<mode>): New.
12534         (neon_vcvt<sup><mode>): New (VCVTHI variant).
12535         (neon_vcvt<sup><mode>): New (VH variant).
12536         (neon_vcvt<sup>_n<mode>): New (VH variant).
12537         (neon_vcvt<sup>_n<mode>): New (VCVTHI variant).
12538         (neon_vcvt<vcvth_op><sup><mode>): New.
12539         (neon_vmul_lane<mode>): New.
12540         (neon_vmul_n<mode>): New.
12541         * config/arm/unspecs.md (UNSPEC_VCALE): New
12542         (UNSPEC_VCALT): New.
12543         (UNSPEC_VFMA_LANE): New.
12544         (UNSPECS_VFMS_LANE): New.
12546 2016-09-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12548         * config/s390/s390.md ("*extzv<mode>_zEC12", "*extzv<mode>_z10")
12549         ("*extzv<mode><clobbercc_or_nocc>"):
12550         Correct a typo in a comment.
12551         Merged patterns.
12552         ("*insv<mode>_zEC12", "*insv<mode>_z10")
12553         ("*insv<mode><clobbercc_or_nocc>"): Ditto.
12554         ("*insv<mode>_zEC12_appendbitsleft")
12555         ("*insv<mode><clobbercc_or_nocc>_appendbitsleft")
12556         ("*insv<mode>_z10_appendbitsleft"): Ditto.
12557         ("*insv<mode>_zEC12_noshift", "*insv<mode>_z10_noshift")
12558         ("*insv<mode><clobbercc_or_nocc>_noshift"): Ditto.
12559         Provide pattern with operands switched.
12560         ("*pre_z10_extv<mode>"):
12561         Use new subst patterns.
12562         ("*extzvdi<clobbercc_or_nocc>_lshiftrt", "*<risbg_n>_ior_and_sr_ze")
12563         ("*extvsidi<clobbercc_or_nocc>", "*<risbg_n>_and_subregdi_rotr")
12564         ("*<risbg_n>_and_subregdi_rotl", "*<risbg_n>_di_and_rot")
12565         ("*insv_z10_noshift_cc", "*insv_z10_noshift_cconly")
12566         ("*<risbg_n>_<mode>_ior_and_lshiftrt")
12567         ("*<risbg_n>_sidi_ior_and_lshiftrt")
12568         ("*trunc_sidi_and_subreg_lshrt<clobbercc_or_nocc>"):
12569         New patterns.
12570         ("*extzv_<mode>_sll", "*extzv_<mode>_srl")
12571         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
12572         ("*extzv_<mode>_sll<clobbercc_or_nocc>"): Renamed patterns, use risbgn
12573         on zEC12.
12574         ("SINT"): New mode_iterator with SI, HI, QI.
12575         * config/s390/subst.md ("clobbercc_or_nocc_subst", "z10_or_zEC12_cond")
12576         ("clobbercc_or_nocc", "risbg_n"): New constructs for risbg pattern
12577         duplication.
12579 2016-09-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12581         * config/s390/predicates.md ("contiguous_bitmask_operand"): Adapt to
12582         new interface of s390_contiguous_bitmask_p.
12583         ("contiguous_bitmask_nowrap_operand"): New predicate.
12584         ("*anddi3_cc", "*anddi3_cconly", "*anddi3"): Replace NxxDq with NxxDw.
12585         * config/s390/constraints.md ("NxxDw", "NxxSq"): Adapt to new interface
12586         of s390_contiguous_bitmask_p.
12587         ("NxxDw"): Rename NxxDq constraint to NxxDw.
12588         ("NxxSw"): New constraint.
12589         * config/s390/s390.md ("*andsi3_zarch"): Enable bitmask wraparound.
12590         * config/s390/s390-protos.h (s390_contiguous_bitmask_p): Updated
12591         interface.
12592         (s390_contiguous_bitmask_nowrap_p): Export.
12593         * config/s390/s390.c (s390_contiguous_bitmask_nowrap_p): New name of
12594         former s390_contiguous_bitmask_p.
12595         (s390_contiguous_bitmask_p): Use s390_contiguous_bitmask_nowrap_p to
12596         detect contiguous bit ranges with wraparound.  Change signature to
12597         return START and END position instead of POS and LENGTH.
12598         (s390_contiguous_bitmask_vector_p): Remove extra code for continous bit
12599         ranges with wraparound.
12600         (s390_extzv_shift_ok): Use s390_contiguous_bitmask_nowrap_p.
12601         (s390_contiguous_bitmask_vector_p,s390_extzv_shift_ok,print_operand):
12602         Adapt to new signature of s390_contiguous_bitmask_p.
12604 2016-09-23  Bin Cheng  <bin.cheng@arm.com>
12606         * tree-vect-loop-manip.c (create_intersect_range_checks_index): New.
12607         (create_intersect_range_checks): New.
12608         (vect_create_cond_for_alias_checks): Call above function.
12610 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12612         * config/arm/iterators.md (Code iterators): Fix some white-space
12613         in the comments.
12614         (GLTE): New.
12615         (ABSNEG): New
12616         (FCVT): Moved from vfp.md.
12617         (VCVT_HF_US_N): New.
12618         (VCVT_SI_US_N): New.
12619         (VCVT_HF_US): New.
12620         (VCVTH_US): New.
12621         (FP16_RND): New.
12622         (absneg_str): New.
12623         (FCVTI32typename): Moved from vfp.md.
12624         (sup): Add UNSPEC_VCVTA_S, UNSPEC_VCVTA_U, UNSPEC_VCVTM_S,
12625         UNSPEC_VCVTM_U, UNSPEC_VCVTN_S, UNSPEC_VCVTN_U, UNSPEC_VCVTP_S,
12626         UNSPEC_VCVTP_U, UNSPEC_VCVT_HF_S_N, UNSPEC_VCVT_HF_U_N,
12627         UNSPEC_VCVT_SI_S_N, UNSPEC_VCVT_SI_U_N,  UNSPEC_VCVTH_S_N,
12628         UNSPEC_VCVTH_U_N, UNSPEC_VCVTH_S and UNSPEC_VCVTH_U.
12629         (vcvth_op): New.
12630         (fp16_rnd_str): New.
12631         (fp16_rnd_insn): New.
12632         * config/arm/unspecs.md (UNSPEC_VCVT_HF_S_N): New.
12633         (UNSPEC_VCVT_HF_U_N): New.
12634         (UNSPEC_VCVT_SI_S_N): New.
12635         (UNSPEC_VCVT_SI_U_N): New.
12636         (UNSPEC_VCVTH_S): New.
12637         (UNSPEC_VCVTH_U): New.
12638         (UNSPEC_VCVTA_S): New.
12639         (UNSPEC_VCVTA_U): New.
12640         (UNSPEC_VCVTM_S): New.
12641         (UNSPEC_VCVTM_U): New.
12642         (UNSPEC_VCVTN_S): New.
12643         (UNSPEC_VCVTN_U): New.
12644         (UNSPEC_VCVTP_S): New.
12645         (UNSPEC_VCVTP_U): New.
12646         (UNSPEC_VCVTP_S): New.
12647         (UNSPEC_VCVTP_U): New.
12648         (UNSPEC_VRND): New.
12649         (UNSPEC_VRNDA): New.
12650         (UNSPEC_VRNDI): New.
12651         (UNSPEC_VRNDM): New.
12652         (UNSPEC_VRNDN): New.
12653         (UNSPEC_VRNDP): New.
12654         (UNSPEC_VRNDX): New.
12655         * config/arm/vfp.md (<absneg_str>hf2): New.
12656         (neon_vabshf): New.
12657         (neon_v<fp16_rnd_str>hf): New.
12658         (neon_vrndihf): New.
12659         (addhf3): New.
12660         (subhf3): New.
12661         (divhf3): New.
12662         (mulhf3): New.
12663         (*mulsf3neghf_vfp): New.
12664         (*negmulhf3_vfp): New.
12665         (*mulsf3addhf_vfp): New.
12666         (*mulhf3subhf_vfp): New.
12667         (*mulhf3neghfaddhf_vfp): New.
12668         (*mulhf3neghfsubhf_vfp): New.
12669         (fmahf4): New.
12670         (neon_vfmahf): New.
12671         (fmsubhf4_fp16): New.
12672         (neon_vfmshf): New.
12673         (*fnmsubhf4): New.
12674         (*fnmaddhf4): New.
12675         (neon_vsqrthf): New.
12676         (neon_vrsqrtshf): New.
12677         (FCVT): Move to iterators.md.
12678         (FCVTI32typename): Likewise.
12679         (neon_vcvth<sup>hf): New.
12680         (neon_vcvth<sup>si): New.
12681         (neon_vcvth<sup>_nhf_unspec): New.
12682         (neon_vcvth<sup>_nhf): New.
12683         (neon_vcvth<sup>_nsi_unspec): New.
12684         (neon_vcvth<sup>_nsi): New.
12685         (neon_vcvt<vcvth_op>h<sup>si): New.
12686         (neon_<fmaxmin_op>hf): New.
12688 2016-09-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12690         * config/s390/s390.md (bitoff, bitoff_plus): Neq mode attributes.
12691         ("*extzv<mode>_zEC12", "*insv<mode>_zEC12", "*insv<mode>_z10")
12692         ("*insv<mode>_zEC12_appendbitsleft")
12693         ("*insv<mode>_z10_appendbitsleft", "*r<noxa>sbg_<mode>_sll")
12694         ("*r<noxa>sbg_<mode>_srl"): Use new attributes.
12696 2016-09-23  Jakub Jelinek  <jakub@redhat.com>
12698         * ipa-cp.c (ipcp_store_vr_results): Avoid static local var zero.
12699         * sreal.h (sreal::min, sreal::max): Avoid static local vars,
12700         construct values without normalization.
12701         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't initialize
12702         static local lhs_ops to vNULL.
12704 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12705             Jiong Wang <jiong.wang@arm.com>
12707         * config/arm/arm.c (coproc_secondary_reload_class): Make HFmode
12708         available when FP16 instructions are available.
12709         (output_move_vfp): Add support for 16-bit data moves.
12710         (arm_validize_comparison): Fix some white-space.  Support HFmode
12711         by conversion to SFmode.
12712         * config/arm/arm.md (truncdfhf2): Fix a comment.
12713         (extendhfdf2): Likewise.
12714         (cstorehf4): New.
12715         (movsicc): Fix some white-space.
12716         (movhfcc): New.
12717         (movsfcc): Fix some white-space.
12718         (*cmovhf): New.
12719         * config/arm/vfp.md (*arm_movhi_vfp): Disable when VFP FP16
12720         instructions are available.
12721         (*thumb2_movhi_vfp): Likewise.
12722         (*arm_movhi_fp16): New.
12723         (*thumb2_movhi_fp16): New.
12724         (*movhf_vfp_fp16): New.
12725         (*movhf_vfp_neon): Disable when VFP FP16 instructions are available.
12726         (*movhf_vfp): Likewise.
12727         (extendhfsf2): Enable when VFP FP16 instructions are available.
12728         (truncsfhf2):  Enable when VFP FP16 instructions are available.
12730 2016-09-23  Martin Liska  <mliska@suse.cz>
12732         * config/s390/vx-builtins.md: Replace 'adress' with 'address'.
12734 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12736         * config/arm/arm.c (arm_evpc_neon_vuzp): Add support for V8HF and
12737         V4HF modes.
12738         (arm_evpc_neon_vtrn): Likewise.
12739         (arm_evpc_neon_vrev): Likewise.
12740         (arm_evpc_neon_vext): Likewise.
12741         * config/arm/arm_neon.h (vbsl_f16): New.
12742         (vbslq_f16): New.
12743         (vdup_n_f16): New.
12744         (vdupq_n_f16): New.
12745         (vdup_lane_f16): New.
12746         (vdupq_lane_f16): New.
12747         (vext_f16): New.
12748         (vextq_f16): New.
12749         (vmov_n_f16): New.
12750         (vmovq_n_f16): New.
12751         (vrev64_f16): New.
12752         (vrev64q_f16): New.
12753         (vtrn_f16): New.
12754         (vtrnq_f16): New.
12755         (vuzp_f16): New.
12756         (vuzpq_f16): New.
12757         (vzip_f16): New.
12758         (vzipq_f16): New.
12759         * config/arm/arm_neon_buillins.def (vdup_n): New (v8hf, v4hf variants).
12760         (vdup_lane): New (v8hf, v4hf variants).
12761         (vext): New (v8hf, v4hf variants).
12762         (vbsl): New (v8hf, v4hf variants).
12763         * config/arm/iterators.md (VDQWH): New.
12764         (VH): New.
12765         (V_double_vector_mode): Add V8HF and V4HF.  Fix white-space.
12766         (Scalar_mul_8_16): Fix white-space.
12767         (Is_d_reg): Add V4HF and V8HF.
12768         * config/arm/neon.md (neon_vdup_lane<mode>_internal): New.
12769         (neon_vdup_lane<mode>): New.
12770         (neon_vtrn<mode>_internal): Replace VDQW with VDQWH.
12771         (*neon_vtrn<mode>_insn): Likewise.
12772         (neon_vzip<mode>_internal): Likewise. Also fix white-space.
12773         (*neon_vzip<mode>_insn): Likewise
12774         (neon_vuzp<mode>_internal): Likewise.
12775         (*neon_vuzp<mode>_insn): Likewise
12776         * config/arm/vec-common.md (vec_perm_const<mode>): New.
12778 2016-09-23  Jiong Wang  <jiong.wang@arm.com>
12779             Matthew Wahab  <matthew.wahab@arm.com>
12781         * config/arm/arm.c (output_move_vfp): Weaken assert to allow HImode.
12782         (arm_hard_regno_mode_ok): Allow HImode values in VFP registers.
12783         * config/arm/arm.md (*movhi_bytes): Disable when VFP registers are
12784         available.  Also fix some white-space.
12785         * config/arm/vfp.md (*arm_movhi_vfp): New.
12786         (*thumb2_movhi_vfp): New.
12788 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12790         * config/arm/arm-c.c (arm_cpu_builtins): Define
12791         "__ARM_FEATURE_FP16_SCALAR_ARITHMETIC" and
12792         "__ARM_FEATURE_FP16_VECTOR_ARITHMETIC".
12794 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12796         * doc/sourcebuild.texi (ARM-specific attributes): Add anchor for
12797         arm_v8_1a_neon_ok.  Add entries for arm_v8_2a_fp16_scalar_ok,
12798         arm_v8_2a_fp16_scalar_hw, arm_v8_2a_fp16_neon_ok and
12799         arm_v8_2a_fp16_neon_hw.
12800         (Add options): Add entries for arm_v8_1a_neon, arm_v8_2a_scalar,
12801         arm_v8_2a_neon.
12803 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12805         * doc/sourcebuild.texi (ARM-specific attributes): Add entries for
12806         arm_fp16_alternative_ok and arm_fp16_none_ok.
12808 2016-09-23  Martin Liska  <mliska@suse.cz>
12810         * ipa-icf.c (sem_variable::merge): Replace adress with address.
12812 2016-09-23  Matthew Wahab  <matthew.wahab@arm.com>
12814         * config/arm/arm-arches.def ("armv8.1-a"): Add FL_CRC32.
12815         ("armv8.2-a"): New.
12816         ("armv8.2-a+fp16"): New.
12817         * config/arm/arm-protos.h (FL2_ARCH8_2): New.
12818         (FL2_FP16INST): New.
12819         (FL2_FOR_ARCH8_2A): New.
12820         * config/arm/arm-tables.opt: Regenerate.
12821         * config/arm/arm.c (arm_arch8_2): New.
12822         (arm_fp16_inst): New.
12823         (arm_option_override): Set arm_arch8_2 and arm_fp16_inst.  Check
12824         for incompatible fp16-format settings.
12825         * config/arm/arm.h (TARGET_VFP_FP16INST): New.
12826         (TARGET_NEON_FP16INST): New.
12827         (arm_arch8_2): Declare.
12828         (arm_fp16_inst): Declare.
12829         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for
12830         march=armv8.2-a and march=armv8.2-a+fp16.
12831         * config/arm/t-aprofile (Arch Matches): Add entries for armv8.2-a
12832         and armv8.2-a+fp16.
12833         * doc/invoke.texi (ARM Options): Add "-march=armv8.1-a",
12834         "-march=armv8.2-a" and "-march=armv8.2-a+fp16".
12836 2016-09-23  Martin Liska  <mliska@suse.cz>
12838         * doc/extend.texi: Remove fused-madd from i386 target options.
12840 2016-09-23  Martin Liska  <mliska@suse.cz>
12842         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
12843         Handle movbe.
12845 2016-09-23  Martin Liska  <mliska@suse.cz>
12847         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
12848         Handle crc32.
12850 2016-09-23  Martin Liska  <mliska@suse.cz>
12852         PR target/71652
12853         * config/i386/i386.c (ix86_option_override_internal): Change
12854         signature and return false when there's an error related to
12855         arch string.
12856         (release_options_strings): New function.
12857         (ix86_valid_target_attribute_tree): Call the function.
12859 2016-09-23  Jakub Jelinek  <jakub@redhat.com>
12861         * hsa-gen.c (hsa_op_immed::hsa_op_immed Use CONSTRUCTOR_NELTS (...)
12862         instead of vec_safe_length (CONSTRUCTOR_ELTS (...)).
12863         (gen_hsa_ctor_assignment): Likewise.
12864         * print-tree.c (print_node): Likewise.
12865         * tree-dump.c (dequeue_and_dump): Likewise.
12866         * tree-sra.c (sra_modify_constructor_assign): Likewise.
12867         * expr.c (store_constructor): Likewise.
12868         * fold-const.c (operand_equal_p): Likewise.
12869         * tree-pretty-print.c (dump_generic_node): Likewise.
12870         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Likewise.
12871         * ipa-icf-gimple.c (func_checker::compare_operand): Likewise.
12873 2016-09-23  Richard Biener  <rguenther@suse.de>
12875         * hooks.h (hook_uint_uintp_false): Declare.
12877 2016-09-22  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
12879         * config/avr/avr.c (avr_rtx_costs_1): Handle DImode MULT.
12880         (avr_address_cost): Replace 61 with MAX_LD_OFFSET(mode).
12882 2016-09-22  Martin Sebor  <msebor@redhat.com>
12884         PR target/77676
12885         * gimple-ssa-sprintf.c (target_int_min, target_int_max): Use
12886         HOST_BITS_PER_WIDE_INT, make a static local variable auto.
12887         (target_int_min): Correct computation.
12888         (format_integer): Use long long as the argument for the ll length
12889         modifier.
12890         (format_floating): Use target_int_max().
12891         (get_string_length): Same.
12892         (format_string): Avoid setting the bounded flag for strings
12893         of unknown length.
12894         (try_substitute_return_value): Avoid setting range info when
12895         the result isn't bounded.
12896         * varasm.c (assemble_name): Increase buffer size.
12898 2016-09-22  Andre Vieira  <andre.simoesdiasvieira@arm.com>
12899             Terry Guo  <terry.guo@arm.com>
12901         * target.def (elf_flags_numeric): New target hook.
12902         * targhooks.h (default_asm_elf_flags_numeric): New.
12903         * varasm.c (default_asm_elf_flags_numeric): New.
12904         (default_elf_asm_named_section): Use new target hook.
12905         * config/arm/arm.opt (mpure-code): New.
12906         * config/arm/arm.h (SECTION_ARM_PURECODE): New.
12907         * config/arm/arm.c (arm_asm_init_sections): Add section
12908         attribute to default text section if -mpure-code.
12909         (arm_option_check_internal): Diagnose use of option with
12910         non supported targets and/or options.
12911         (arm_asm_elf_flags_numeric): New.
12912         (arm_function_section): New.
12913         (arm_elf_section_type_flags): New.
12914         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Disable
12915         for -mpure-code.
12916         * doc/texi (TARGET_ASM_ELF_FLAGS_NUMERIC): New.
12917         * doc/texi.in (TARGET_ASM_ELF_FLAGS_NUMERIC): Likewise.
12919 2016-09-22  Jan Hubicka  <hubicka@ucw.cz>
12921         * regcprop.c (copyprop_hardreg_forward_1): Remove noop moves.
12923 2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12925         * emit-rtl.c (next_cc0_user): Make argument type rtx_insn *.
12926         * rtl.h: Adjust prototype.
12928 2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12930         * emit-rtl.c (next_active_insn): Change argument type to rtx_insn *.
12931         (prev_active_insn): Likewise.
12932         (active_insn_p): Likewise.
12933         * rtl.h: Adjust prototypes.
12934         * cfgcleanup.c (merge_blocks_move_successor_nojumps): Adjust.
12935         * config/arc/arc.md: Likewise.
12936         * config/pa/pa.c (branch_to_delay_slot_p): Likewise.
12937         (branch_needs_nop_p): Likewise.
12938         (use_skip_p): Likewise.
12939         * config/sh/sh.c (gen_block_redirect): Likewise.
12940         (split_branches): Likewise.
12941         * reorg.c (optimize_skip): Likewise.
12942         (fill_simple_delay_slots): Likewise.
12943         (fill_slots_from_thread): Likewise.
12944         (relax_delay_slots): Likewise.
12945         * resource.c (mark_target_live_regs): Likewise.
12947 2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12949         * config/cris/cris.c (cris_asm_output_case_end): Change argument
12950         type to rtx_insn *.
12951         * emit-rtl.c (next_nonnote_nondebug_insn): Likewise.
12952         (prev_nonnote_nondebug_insn): Likewise.
12953         * config/cris/cris-protos.h: Adjust prototype.
12954         * rtl.h: Likewise.
12955         * jump.c (rtx_renumbered_equal_p): Adjust.
12957 2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12959         * emit-rtl.c (prev_real_insn): Change argument type to rtx_insn *.
12960         * rtl.h: Adjust prototype.
12961         * config/sh/sh.md: Adjust.
12962         * dwarf2out.c (add_var_loc_to_decl): Likewise.
12964 2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12966         * emit-rtl.c (next_nondebug_insn): Change argument type to rtx_insn *.
12967         (prev_nondebug_insn): Likewise.
12968         * loop-doloop.c (doloop_condition_get): Likewise.
12969         * rtl.h: Adjust prototype.
12970         * cfgloop.h: Likewise.
12972 2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12974         * emit-rtl.c (next_nonnote_insn): Change argument type to rtx_insn *.
12975         (prev_nonnote_insn): Likewise.
12976         * jump.c (reversed_comparison_code_parts): Likewise.
12977         (reversed_comparison): Likewise.
12978         * rtl.h: Adjust prototypes.
12979         * config/arc/arc.md: Adjust.
12980         * cse.c (find_comparison_args): Likewise.
12981         * reorg.c (redundant_insn): Change return type to rtx_insn *.
12982         (fix_reg_dead_note): Change argument type to rtx_insn *.
12983         (delete_prior_computation): Likewise.
12984         (delete_computation): Likewise.
12985         (fill_slots_from_thread): Adjust.
12986         (relax_delay_slots): Likewise.
12987         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
12988         (simplify_relational_operation_1): Likewise.
12989         (simplify_ternary_operation): Likewise.
12991 2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12993         * config/arc/arc-protos.h (arc_label_align): Change type of
12994         variables from rtx to rtx_insn *.
12995         * config/arc/arc.c (arc_label_align): Likewise.
12996         * config/arm/arm.c (any_sibcall_could_use_r3): Likewise.
12997         * config/bfin/bfin.c (workaround_speculation): Likewise.
12998         * config/c6x/c6x.c (find_next_cycle_insn): Likewise.
12999         (find_last_same_clock): Likewise.
13000         (reorg_split_calls): Likewise.
13001         * config/cris/cris-protos.h (cris_cc0_user_requires_cmp): Likewise.
13002         * config/cris/cris.c (cris_cc0_user_requires_cmp): Likewise.
13003         * config/h8300/h8300-protos.h (same_cmp_preceding_p): Likewise.
13004         (same_cmp_following_p): Likewise.
13005         * config/h8300/h8300.c (same_cmp_preceding_p): Likewise.
13006         (same_cmp_following_p): Likwise.
13007         * config/m32r/m32r.c (m32r_expand_epilogue): Likewise.
13008         * config/nds32/nds32-protos.h (nds32_target_alignment): Likewise.
13009         * config/nds32/nds32.c (nds32_target_alignment): Likewise.
13010         * config/rl78/rl78.c (rl78_alloc_physical_registers_op2): Likewise.
13011         (rl78_alloc_physical_registers_cmp): Likewise.
13012         (rl78_alloc_physical_registers_umul): Likewise.
13013         (rl78_calculate_death_notes): Likewise.
13014         * config/s390/s390-protos.h (s390_label_align): Likewise.
13015         * config/s390/s390.c (s390_label_align): Likewise.
13016         * config/sh/sh.c (barrier_align): Likewise.
13017         * config/sparc/sparc-protos.h (emit_cbcond_nop): Likewise.
13018         * config/sparc/sparc.c (sparc_asm_function_epilogue): Likewise.
13019         (emit_cbcond_nop): Likewise.
13021 2016-09-22  Martin Liska  <mliska@suse.cz>
13023         PR ipa/77653
13024         * ipa-icf.c (sem_variable::merge): Yield merge operation if
13025         alias address matters, not necessarily address of original.
13027 2016-09-22  Richard Biener  <rguenther@suse.de>
13029         PR middle-end/77697
13030         * gimple-fold.c (fold_array_ctor_reference): Turn asserts into
13031         fold fails.
13033 2016-09-22  Richard Biener  <rguenther@suse.de>
13035         PR middle-end/77677
13036         * gimple-match-head.c (gimple_resimplify1): Drop TREE_OVERFLOW
13037         from constant folding results.
13038         (gimple_resimplify2): Likewise.
13039         (gimple_resimplify3): Likewise.
13041 2016-09-22  Richard Biener  <rguenther@suse.de>
13043         PR middle-end/77678
13044         * expr.c (expand_expr_real_1): Guard array access against negative
13045         offset.
13047 2016-09-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13049         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN instead
13050         of MPFR_RNDN.
13051         (format_floating): Likewise.
13053 2016-09-22  Jakub Jelinek  <jakub@redhat.com>
13055         PR fortran/77665
13056         * tree-inline.c (remap_gimple_stmt): Set has_simduid_loops
13057         for all IFN_GOMP_SIMD_* internal fns, not just for
13058         IFN_GOMP_SIMD_ORDERED_*.
13060 2016-09-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
13062         PR target/77670
13063         * config/rs6000/predicates.md (invert_fpmask_comparison_operator):
13064         New predicate that matches the ISA 3.0 XSCMP{EQ,GT,GE}DP
13065         instructions when you want to invert the test.
13066         * config/rs6000/rs6000.md (fpmask<mode>): Use the arguments in the
13067         correct order for XXSEL.
13068         (mov<SFDF:mode><SFDF2:mode>cc_invert_p9): Define the inverted test
13069         for using XSCMP{EQ,GT,GE}DP.
13071 2016-09-21  David Malcolm  <dmalcolm@redhat.com>
13073         * genconstants.c (main): Introduce noop_reader and convert call
13074         to read_md_files to a method call.
13075         * genenums.c (main): Likewise.
13076         * genmddeps.c (main): Likewise.
13077         * genpreds.c (write_tm_constrs_h): Replace use of "in_fname" with
13078         rtx_reader_ptr->get_top_level_filename ().
13079         (write_tm_preds_h): Likewise.
13080         (write_insn_preds_c): Likewise.
13081         * gensupport.c (class gen_reader): New subclass of rtx_reader.
13082         (rtx_handle_directive): Convert to...
13083         (gen_reader::handle_unknown_directive): ...this.
13084         (init_rtx_reader_args_cb): Convert return type from bool to
13085         rtx_reader *.  Create a gen_reader instance, using it for the
13086         call to read_md_files.  Return it if no errors occur.
13087         (init_rtx_reader_args): Convert return type from bool to
13088         rtx_reader *.
13089         * gensupport.h (init_rtx_reader_args_cb): Likewise.
13090         (init_rtx_reader_args_cb): Likewise.
13091         * read-md.c (struct file_name_list): Move to class rtx_reader.
13092         (read_md_file): Delete in favor of rtx_reader::m_read_md_file.
13093         (read_md_filename): Delete in favor of
13094         rtx_reader::m_read_md_filename.
13095         (read_md_lineno): Delete in favor of rtx_reader::m_read_md_lineno.
13096         (in_fname): Delete in favor of rtx_reader::m_toplevel_fname.
13097         (base_dir): Delete in favor of rtx_reader::m_base_dir.
13098         (first_dir_md_include): Delete in favor of
13099         rtx_reader::m_first_dir_md_include.
13100         (last_dir_md_include_ptr): Delete in favor of
13101         rtx_reader::m_last_dir_md_include_ptr.
13102         (max_include_len): Delete.
13103         (rtx_reader_ptr): New.
13104         (fatal_with_file_and_line): Use get_filename and get_lineno
13105         accessors of rtx_reader_ptr.
13106         (require_char_ws): Likewise.
13107         (rtx_reader::read_char): New method, based on ::read_char.
13108         (rtx_reader::unread_char): New method, based on ::unread_char.
13109         (read_escape): Use get_filename and get_lineno accessors of
13110         rtx_reader_ptr.
13111         (read_braced_string): Use get_lineno accessor of rtx_reader_ptr.
13112         (read_string): Use get_filename and get_lineno accessors of
13113         rtx_reader_ptr.
13114         (rtx_reader::rtx_reader): New ctor.
13115         (rtx_reader::~rtx_reader): New dtor.
13116         (handle_include): Convert from a function to...
13117         (rtx_reader::handle_include): ...this method, converting
13118         handle_directive from a callback to a virtual function.
13119         (handle_file): Likewise, converting to...
13120         (rtx_reader::handle_file): ...this method.
13121         (handle_toplevel_file): Likewise, converting to...
13122         (rtx_reader::handle_toplevel_file): ...this method.
13123         (rtx_reader::get_current_location): New method.
13124         (parse_include): Convert from a function to...
13125         (rtx_reader::add_include_path): ...this method, dropping redundant
13126         update to unused max_include_len.
13127         (read_md_files): Convert from a function to...
13128         (rtx_reader::read_md_files): ...this method, converting
13129         handle_directive from a callback to a virtual function.
13130         (noop_reader::handle_unknown_directive): New method.
13131         * read-md.h (directive_handler_t): Delete this typedef.
13132         (in_fname): Delete.
13133         (read_md_file): Delete.
13134         (read_md_lineno): Delete.
13135         (read_md_filename): Delete.
13136         (class rtx_reader): New class.
13137         (rtx_reader_ptr): New decl.
13138         (class noop_reader): New subclass of rtx_reader.
13139         (read_char): Reimplement in terms of rtx_reader::read_char.
13140         (unread_char): Reimplement in terms of rtx_reader::unread_char.
13141         (read_md_files): Delete.
13142         * read-rtl.c (read_rtx_code): Update for deletion of globals
13143         read_md_filename and read_md_lineno.
13145 2016-09-21  Jason Merrill  <jason@redhat.com>
13147         * input.h (from_macro_definition_at): New.
13149 2016-09-21  Segher Boessenkool  <segher@kernel.crashing.org>
13151         * doc/rtl.texi (JUMP_LABEL): Document RETURN and SIMPLE_RETURN values.
13153 2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13155         PR tree-optimization/77550
13156         * tree-vect-stmts.c (create_array_ref): Change parameters.
13157         (get_group_alias_ptr_type): New function.
13158         (vectorizable_store, vectorizable_load): Use get_group_alias_ptr_type.
13160 2016-09-21  Marek Polacek  <polacek@redhat.com>
13162         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
13163         Add falls through comment.
13165 2016-09-21  Richard Biener  <rguenther@suse.de>
13167         * dwarf2out.c (remove_child_with_prev): Clear child->die_sib.
13168         (replace_child): Likewise.
13169         (remove_child_TAG): Adjust.
13170         (move_marked_base_types): Likewise.
13171         (prune_unused_types_prune): Clear die_sib of removed children.
13173 2016-09-21  Georg-Johann Lay  <avr@gjlay.de>
13175         PR target/77326
13176         * config/avr/avr.c (avr_notice_update_cc) [CC_NONE]: If insn
13177         touches some regs mentioned in cc_status, do CC_STATUS_INIT.
13179 2016-09-21  Richard Biener  <rguenther@suse.de>
13181         PR tree-optimization/77648
13182         * tree-ssa-structalias.c (process_constraint): Handle all DEREF
13183         with complex RHS.
13184         (make_transitive_closure_constraints): Adjust comment.
13185         (make_any_offset_constraints): New function.
13186         (handle_rhs_call): Make sure to first expand a pointer to all
13187         subfields before transitively closing it.
13188         (handle_const_call): Likewise.  Properly expand returned
13189         pointers as well.
13190         (handle_pure_call): Likewise.
13192 2016-09-21  Richard Biener  <rguenther@suse.de>
13193             Jakub Jelinek  <jakub@redhat.com>
13195         PR tree-optimization/77621
13196         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
13197         group at non-vectorizable stmts.
13199 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
13201         PR tree-optimization/72835
13202         * tree-ssa-reassoc.c (make_new_ssa_for_def): New.
13203         (make_new_ssa_for_all_defs): Likewise.
13204         (zero_one_operation): Replace all SSA_NAMEs defined in the chain.
13206 2016-09-20  Martin Sebor  <msebor@redhat.com>
13208         PR middle-end/49905
13209         * Makefile.in (OBJS): Add gimple-ssa-sprintf.o.
13210         * config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Redefine.
13211         * config/linux.c (gnu_libc_printf_pointer_format): New function.
13212         * config/sol2.h (TARGET_PRINTF_POINTER_FORMAT): Same.
13213         * config/sol2.c (solaris_printf_pointer_format): New function.
13214         * doc/invoke.texi (-Wformat-length, -fprintf-return-value): New
13215         options.
13216         * doc/tm.texi.in (TARGET_PRINTF_POINTER_FORMAT): Document.
13217         * doc/tm.texi: Regenerate.
13218         * gimple-fold.h (get_range_strlen): New function.
13219         (get_maxval_strlen): Declare existing function.
13220         * gimple-fold.c (get_range_strlen): Add arguments and compute both
13221         maximum and minimum.
13222          (get_range_strlen): Define overload.
13223         (get_maxval_strlen): Adjust.
13224         * gimple-ssa-sprintf.c: New file and pass.
13225         * passes.def (pass_sprintf_length): Add new pass.
13226         * targhooks.h (default_printf_pointer_format): Declare new function.
13227         (gnu_libc_printf_pointer_format): Same.
13228         (solaris_libc_printf_pointer_format): Same.
13229         * targhooks.c (default_printf_pointer_format): Define new function.
13230         * tree-pass.h (make_pass_sprintf_length): Declare new function.
13231         * print-tree.c: Increase buffer size.
13233 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
13235         * tree-vrp.c (get_value_range): Teach PARM_DECL to use ipa-vrp results.
13237 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
13239         * common.opt: New option -fipa-vrp.
13240         * ipa-cp.c (ipa_get_vr_lat): New.
13241         (ipcp_vr_lattice::print): Likewise.
13242         (print_all_lattices): Call ipcp_vr_lattice::print.
13243         (ipcp_vr_lattice::meet_with): New.
13244         (ipcp_vr_lattice::meet_with_1): Likewise.
13245         (ipcp_vr_lattice::top_p): Likewise.
13246         (ipcp_vr_lattice::bottom_p): Likewsie.
13247         (ipcp_vr_lattice::set_to_bottom): Likewise.
13248         (set_all_contains_variable): Call VR set_to_bottom.
13249         (initialize_node_lattices): Init VR lattices.
13250         (propagate_vr_accross_jump_function): New.
13251         (propagate_constants_accross_call): Call
13252         propagate_vr_accross_jump_function.
13253         (ipcp_store_vr_results): New.
13254         (ipcp_driver): Handle VR.
13255         * ipa-prop.c (ipa_print_node_jump_functions_for_edge): Handle VR.
13256         (ipa_set_jf_unknown): Likewise.
13257         (ipa_compute_jump_functions_for_edge): Likewise.
13258         (ipa_node_params_t::duplicate): Likewise.
13259         (ipa_write_jump_function): Likewise.
13260         (ipa_read_jump_function): Likewise.
13261         (write_ipcp_transformation_info): Likewise.
13262         (read_ipcp_transformation_info): Likewise.
13263         (ipcp_update_vr): New.
13264         (ipcp_transform_function): Handle VR.
13265         * ipa-prop.h (struct ipa_vr): New.
13266         * cgraph.c: Include tree-vrp.h.
13267         * cgraphunit.c: Likewise.
13268         * ipa-utils.c: Likewise.
13269         * ipa.c: Likewise.
13270         * opts.c: Likewise.
13271         * toplev.c: Likewise.
13272         * ipa-devirt.c: Likewise.
13273         * ipa-inline-transform.c: Likewise.
13274         * ipa-inline.c: Likewise.
13275         * ipa-profile.c: Likewise.
13277 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
13279         * doc/invoke.texi: Document -fdump-tree-evrp.
13280         * passes.def: Define new pass_early_vrp.
13281         * timevar.def: Define new TV_TREE_EARLY_VRP.
13282         * tree-pass.h (make_pass_early_vrp): New.
13283         * tree-ssa-propagate.c: Make replace_uses_in non static.
13284         * tree-ssa-propagate.h: Export replace_uses_in.
13285         * tree-vrp.c (extract_range_for_var_from_comparison_expr): New.
13286         (extract_range_from_assert): Factor out
13287         extract_range_for_var_from_comparison_expr.
13288         (vrp_initialize_lattice): New.
13289         (vrp_initialize): Factor out vrp_initialize_lattice.
13290         (vrp_valueize): Fix it to reject complex value ranges.
13291         (vrp_free_lattice): New.
13292         (evrp_dom_walker::before_dom_children): Likewise.
13293         (evrp_dom_walker::after_dom_children): Likewise.
13294         (evrp_dom_walker::push_value_range): Likewise.
13295         (evrp_dom_walker::pop_value_range): Likewise.
13296         (execute_early_vrp): Likewise.
13297         (execute_vrp): Call vrp_initialize_lattice and vrp_free_lattice.
13298         (make_pass_early_vrp): New.
13300 2016-09-20  Uros Bizjak  <ubizjak@gmail.com>
13302         * config/i386/i386.md (mult->ashift peephole2s): Use pow2p_hwi
13303         instead of exact_log2.
13305 2016-09-20  Uros Bizjak  <ubizjak@gmail.com>
13307         PR target/77621
13308         * config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
13309         Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
13310         (ix86_add_stmt_cost): Penalize DFmode vector operations
13311         for !TARGET_VECTORIZE_DOUBLE.
13313 2016-09-20  Gerald Pfeifer  <gerald@pfeifer.com>
13315         * doc/invoke.texi (Warning Options): Simplify language.
13316         (Optimize Options): Complete sentence.
13318 2016-09-20  David Edelsohn  <dje.gcc@gmail.com>
13320         * dbxout.c (xcoff_debug_hooks):  Add filename parameter to
13321         early_finish hook.
13323 2016-09-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
13325         PR target/71395
13326         * config/rs6000/rs6000.c (rs6000_expand_vector_init): For V4SF
13327         inits on power8 and above, use the VMRGEW instruction instead of a
13328         permute.
13330         * config/rs6000/altivec.md (UNSPEC_VMRGEW_DIRECT): New unspec.
13331         (p8_vmrgew_v4sf_direct): New VMRGEW insn for V4SF floating
13332         initialization.
13334 2016-09-20  Tamar Christina  <tamar.christina@arm.com>
13336         * config/aarch64/arm_neon.h
13337         (vst2_s64, vst2_u64, vst2_f64, vst2_s8): Add missing attributes.
13338         (vst3_s64, vst3_u64, vst3_f64, vst3_s8): Likewise.
13339         (vst4_s64, vst4_u64, vst4_f64, vst4_s8): Likewise.
13341 2016-09-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13343         * config/var/vax.h (ELIMINABLE_REGS): Define.
13344         (INITIAL_ELIMINATION_OFFSET): Define.
13346 2016-09-20  Jakub Jelinek  <jakub@redhat.com>
13348         PR middle-end/77624
13349         * builtins.c (fold_builtin_atomic_always_lock_free): Only look through
13350         cast to void * if the cast is from some other pointer type.
13352 2016-09-20  Richard Biener  <rguenther@suse.de>
13354         PR tree-optimization/77646
13355         * tree-ssa-sccvn.c (visit_reference_op_call): Always value-number
13356         a VDEF.
13358 2016-09-20  Tamar Christina  <tamar.christina@arm.com>
13360         * config/aarch64/arm_neon.h: Add gnu_inline and artificial
13361         attributes to all inlined functions and make them extern.
13363 2016-09-20  Richard Biener  <rguenther@suse.de>
13365         * debug.h (gcc_debug_hooks): Add filename parameter to early_finish
13366         hook.
13367         * debug.c (do_nothing_debug_hooks): Adjust.
13368         * dbxout.c (dbx_debug_hooks): Likewise.
13369         * sdbout.c (sdb_debug_hooks): Likewise.
13370         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
13371         (dwarf2out_finish): Move producer, filename and
13372         path annotation ...
13373         (dwarf2out_early_finish): ... here.  Remove in_lto_p special-casing.
13374         * cgraphunit.c (symbol_table::finalize_compilation_unit): Adjust.
13376 2016-09-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13378         PR c++/77434
13379         * doc/invoke.texi: Document -Wint-in-bool-context.
13381         PR middle-end/77421
13382         * dwarf2out.c (output_loc_operands): Fix an assertion.
13384 2016-09-19  Joseph Myers  <joseph@codesourcery.com>
13386         * ginclude/float.h [__STDC_WANT_IEC_60559_BFP_EXT__]
13387         (CR_DECIMAL_DIG): New macro.
13389 2016-09-19  Joseph Myers  <joseph@codesourcery.com>
13391         * ginclude/stddef.h (max_align_t) [__i386__]: Add __float128
13392         element.
13394 2016-09-19  Vladimir Makarov  <vmakarov@redhat.com>
13396         PR rtl-optimization/77416
13397         * lra-remat.c (operand_to_remat): Process hard coded insn
13398         registers.
13400 2016-09-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13402         * simplify-rtx.c (simplify_relational_operation_1): Add transformation
13403         (GTU (PLUS a C) (C - 1)) --> (LTU a -C).
13405 2016-09-19  Segher Boessenkool  <segher@kernel.crashing.org>
13407         * target.def (lra_p): Wordsmithing.
13408         * doc/tm.texi: Regenerate.
13410 2016-09-19  Jakub Jelinek  <jakub@redhat.com>
13411             Jan Hubicka  <jh@suse.cz>
13413         PR target/77587
13414         * cgraph.c (cgraph_node::rtl_info): Pass &avail to
13415         ultimate_alias_target call, return NULL if avail < AVAIL_AVAILABLE.
13416         Call ultimate_alias_target just once, not up to 4 times.
13418 2016-09-19  Richard Biener  <rguenther@suse.de>
13420         * dwarf2out.c (early_dwarf_finished): New global.
13421         (set_early_dwarf::set_early_dwarf): Assert early_dwarf_finished
13422         is false.
13423         (dwarf2out_early_finish): Set early_dwarf_finished at the end,
13424         if called from LTO exit early.
13425         (dwarf2out_late_global_decl): When being during the early
13426         debug phase do not add locations but only const value attributes.
13427         Adjust the way we generate early DIEs for LTO.
13429 2016-09-19  Richard Biener  <rguenther@suse.de>
13431         PR middle-end/77605
13432         * tree-data-ref.c (analyze_subscript_affine_affine): Use the
13433         proper niter to bound the loops.
13435 2016-09-19  Richard Biener  <rguenther@suse.de>
13437         PR tree-optimization/77514
13438         * tree-ssa-pre.c (create_expression_by_pieces): Optimize
13439         search for folded stmt.
13441 2016-09-17  Jan Hubicka  <hubicka@ucw.cz>
13443         * passes.def (pass_early_thread_jumps): Schedule after forwprop.
13444         * tree-pass.h (make_pass_early_thread_jumps): Declare.
13445         * tree-ssa-threadbackward.c (fsm_find_thread_path,
13446         fsm_find_thread_path, profitable_jump_thread_path,
13447         fsm_find_control_statement_thread_paths,
13448         find_jump_threads_backwards): Add speed_p parameter.
13449         (pass_data_early_thread_jumps): New pass.
13450         (make_pass_early_thread_jumps): New function.
13452 2016-09-17  Andreas Schwab  <schwab@suse.de>
13454         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add cast.
13455         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.
13457 2016-09-16  Eric Botcazou  <ebotcazou@adacore.com>
13459         * recog.c (rest_of_handle_split_after_reload): Delete.
13460         (pass_split_after_reload::gate): New method.
13461         (pass_split_after_reload::execute): Call split_all_insns directly.
13463 2016-09-16  Jonathan Wakely  <jwakely@redhat.com>
13465         * doc/extend.texi (Integer Overflow Builtins): Fix type of out
13466         parameters for functions taking long long arguments.
13468 2016-09-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13470         PR target/77613
13471         * config/rs6000/rs6000.c (rtx_is_swappable_p): Add support for
13472         splat with truncate.
13474 2016-09-16  Jason Merrill  <jason@redhat.com>
13476         * hwint.h (least_bit_hwi, pow2_or_zerop, pow2p_hwi, ctz_or_zero):
13477         New.
13478         * hwint.c (exact_log2): Use pow2p_hwi.
13479         (ctz_hwi, ffs_hwi): Use least_bit_hwi.
13480         * alias.c (memrefs_conflict_p): Use pow2_or_zerop.
13481         * builtins.c (get_object_alignment_2, get_object_alignment)
13482         (get_pointer_alignment, fold_builtin_atomic_always_lock_free): Use
13483         least_bit_hwi.
13484         * calls.c (compute_argument_addresses, store_one_arg): Use
13485         least_bit_hwi.
13486         * cfgexpand.c (expand_one_stack_var_at): Use least_bit_hwi.
13487         * combine.c (force_to_mode): Use least_bit_hwi.
13488         (contains_muldiv, find_split_point, combine_simplify_rtx)
13489         (simplify_if_then_else, simplify_set, force_to_mode)
13490         (if_then_else_cond, simplify_and_const_int_1)
13491         (simplify_compare_const): Use pow2p_hwi.
13492         * cse.c (fold_rtx): Use pow2p_hwi.
13493         * emit-rtl.c (set_mem_attributes_minus_bitpos, adjust_address_1):
13494         Use least_bit_hwi.
13495         * expmed.c (synth_mult, expand_divmod): Use ctz_or_zero, ctz_hwi.
13496         (init_expmed_one_conv): Use pow2p_hwi.
13497         * expr.c (is_aligning_offset): Use pow2p_hwi.
13498         * fold-const.c (round_up_loc, round_down_loc): Use pow2_or_zerop.
13499         (fold_binary_loc): Use pow2p_hwi.
13500         * function.c (assign_parm_find_stack_rtl): Use least_bit_hwi.
13501         * gimple-fold.c (gimple_fold_builtin_memory_op): Use pow2p_hwi.
13502         * gimple-ssa-strength-reduction.c (replace_ref): Use least_bit_hwi.
13503         * hsa-gen.c (gen_hsa_addr_with_align, hsa_bitmemref_alignment):
13504         Use least_bit_hwi.
13505         * ifcvt.c (noce_try_store_flag_constants): Use pow2p_hwi.
13506         * ipa-cp.c (ipcp_alignment_lattice::meet_with_1): Use least_bit_hwi.
13507         * ipa-prop.c (ipa_modify_call_arguments): Use least_bit_hwi.
13508         * omp-low.c (oacc_loop_fixed_partitions)
13509         (oacc_loop_auto_partitions): Use least_bit_hwi.
13510         * rtlanal.c (nonzero_bits1): Use ctz_or_zero.
13511         * stor-layout.c (place_field): Use least_bit_hwi.
13512         * tree-pretty-print.c (dump_generic_node): Use pow2p_hwi.
13513         * tree-sra.c (build_ref_for_offset): Use least_bit_hwi.
13514         * tree-ssa-ccp.c (ccp_finalize): Use least_bit_hwi.
13515         * tree-ssa-math-opts.c (bswap_replace): Use least_bit_hwi.
13516         * tree-ssa-strlen.c (handle_builtin_memcmp): Use pow2p_hwi.
13517         * tree-vect-data-refs.c (vect_analyze_group_access_1)
13518         (vect_grouped_store_supported, vect_grouped_load_supported)
13519         (vect_permute_load_chain, vect_shift_permute_load_chain)
13520         (vect_transform_grouped_load): Use pow2p_hwi.
13521         * tree-vect-generic.c (expand_vector_divmod): Use ctz_or_zero.
13522         * tree-vect-patterns.c (vect_recog_divmod_pattern): Use ctz_or_zero.
13523         * tree-vect-stmts.c (vectorizable_mask_load_store): Use
13524         least_bit_hwi.
13525         * tsan.c (instrument_expr): Use least_bit_hwi.
13526         * var-tracking.c (negative_power_of_two_p): Use pow2_or_zerop.
13528 2016-09-16  Andreas Schwab  <schwab@suse.de>
13530         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Use parameter
13531         OFFSET, not offset.
13532         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.
13534 2016-09-16  Jakub Jelinek  <jakub@redhat.com>
13536         PR target/77526
13537         * combine.c (rest_of_handle_combine): If any edges have been purged,
13538         free dominators if available.
13540 2016-09-16  Jakub Jelinek  <jakub@redhat.com>
13541             Eric Botcazou  <ebotcazou@adacore.com>
13543         PR middle-end/77594
13544         * internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
13545         through into expand_addsub_overflow after expand_neg_overflow.
13547 2016-09-15  David Malcolm  <dmalcolm@redhat.com>
13549         * diagnostic-show-locus.c
13550         (selftest::test_fixit_insert_containing_newline): New function.
13551         (selftest::test_fixit_replace_containing_newline): New function.
13552         (selftest::diagnostic_show_locus_c_tests): Call the above.
13554 2016-09-15  Bin Cheng  <bin.cheng@arm.com>
13556         PR tree-optimization/77503
13557         * tree-vect-loop.c (vectorizable_reduction): Record reduction
13558         code for CONST_COND_REDUCTION at analysis stage and use it at
13559         transform stage.
13560         * tree-vectorizer.h (struct _stmt_vec_info): New field.
13561         (STMT_VINFO_VEC_CONST_COND_REDUC_CODE): New macro.
13562         * tree-vect-stmts.c (new_stmt_vec_info): Initialize above new
13563         field.
13565 2016-09-15  Richard Biener  <rguenther@suse.de>
13567         PR middle-end/77544
13568         * fold-const.c (split_tree): Do not split constant ~X.
13570 2016-09-15  Jakub Jelinek  <jakub@redhat.com>
13572         PR rtl-optimization/77425
13573         * sched-int.h (sd_iterator_cond): Don't update it_ptr->linkp if list
13574         is NULL.
13576         PR middle-end/77475
13577         * config/i386/i386.c (ix86_parse_stringop_strategy_string): Simplify,
13578         use %qs instead of %s where desirable, use argument instead of arg in
13579         the diagnostic wording, add list of supported strategies and
13580         spellcheck hint.
13581         (ix86_option_override_internal): Emit target("m...") instead of
13582         option("m...") in the diagnostic.  Use %qs instead of %s in invalid
13583         -march/-mtune option diagnostic.  Add list of supported arches/tunings
13584         and spellcheck hint.  Remove prefix, suffix and sw variables, use
13585         main_args_p ? "..." : "..." in diagnostics to make translation
13586         possible.
13588 2016-09-15  Richard Biener  <rguenther@suse.de>
13590         * dwarf2asm.h (dw2_asm_output_offset): Add overload with
13591         extra offset argument.
13592         * dwarf2asm.c (dw2_asm_output_offset): Implement that.
13593         * doc/tm.texi.in (ASM_OUTPUT_DWARF_OFFSET): Adjust documentation
13594         to reflect new offset parameter.
13595         * doc/tm.texi: Regenerate.
13596         * config/darwin.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
13597         * config/darwin-protos.h (darwin_asm_output_dwarf_delta): Add
13598         offset argument.
13599         (darwin_asm_output_dwarf_offset): Likewise.
13600         * config/darwin.c (darwin_asm_output_dwarf_delta): Add offset
13601         argument.
13602         (darwin_asm_output_dwarf_offset): Pass offset argument through.
13603         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
13604         * config/i386/cygmin.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.
13606 2016-09-15  Chung-Lin Tang  <cltang@codesourcery.com>
13608         PR fortran/72743
13609         * ipa-icf.c (set_alias_uids): New function.
13610         (sem_variable::merge): Use set_alias_uids to set DECL_PT_UID of
13611         all the merged variable's referring aliases.
13613 2016-09-15  Richard Biener  <rguenther@suse.de>
13615         PR tree-optimization/77514
13616         * tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
13617         only forced_stmts sequence.
13619 2016-09-15  Kugan Vivekanandarajah  <kuganv@linaro.org>
13621         * tree-ssanames.h (FOR_EACH_SSA_NAME): New.
13622         * cfgexpand.c (update_alias_info_with_stack_vars): Use
13623         FOR_EACH_SSA_NAME to iterate over SSA variables.
13624         (pass_expand::execute): Likewise.
13625         * omp-simd-clone.c (ipa_simd_modify_function_body): Likewise.
13626         * tree-cfg.c (dump_function_to_file): Likewise.
13627         * tree-into-ssa.c (pass_build_ssa::execute): Likewise.
13628         (update_ssa): Likewise.
13629         * tree-ssa-alias.c (dump_alias_info): Likewise.
13630         * tree-ssa-ccp.c (ccp_finalize): Likewise.
13631         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise.
13632         (create_outofssa_var_map): Likewise.
13633         (coalesce_ssa_name): Likewise.
13634         * tree-ssa-operands.c (dump_immediate_uses): Likewise.
13635         * tree-ssa-pre.c (compute_avail): Likewise.
13636         * tree-ssa-sccvn.c (init_scc_vn): Likewise.
13637         (scc_vn_restore_ssa_info): Likewise.
13638         (free_scc_vn): Likwise.
13639         (run_scc_vn): Likewise.
13640         * tree-ssa-structalias.c (compute_points_to_sets): Likewise.
13641         * tree-ssa-ter.c (new_temp_expr_table): Likewise.
13642         * tree-ssa-copy.c (fini_copy_prop): Likewise.
13643         * tree-ssa.c (verify_ssa): Likewise.
13645 2016-09-14  Matthew Fortune  <matthew.fortune@imgtec.com>
13647         * config.gcc (mips*-mti-elf*, mips*-mti-linux*): Set mips32r2
13648         and mips64r2 as default 32-bit and 64-bit architectures.
13649         (mips*-img-elf*, mips*-img-linux*): Set mips32r6 and mips64r6
13650         as default 32-bit and 64-bit architectures.
13652 2016-09-14  Pat Haugen  <pthaugen@us.ibm.com>
13654         * loop-unroll.c (unroll_loop_runtime_iterations): Set probability
13655         of succ edge.
13657 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
13659         * target.def (lra_p): Change commentary (for the manual) for the
13660         new default.
13661         * doc/tm.texi: Regenerate.
13663 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
13665         * config/aarch64/aarch64.c (TARGET_LRA_P): Delete macro.
13666         * config/arm/arm.c (TARGET_LRA_P): Delete macro.
13667         * config/i386/i386.c (TARGET_LRA_P): Delete macro.
13668         * config/nds32/nds32.c (TARGET_LRA_P): Delete macro.
13670 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
13672         * targhooks.c (default_lra_p): Return true instead of false.
13674 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
13676         * config/alpha/alpha.c (TARGET_LRA_P): New macro, defined to
13677         hook_bool_void_false.
13678         * config/avr/avr.c: Ditto.
13679         * config/bfin/bfin.c: Ditto.
13680         * config/c6x/c6x.c: Ditto.
13681         * config/cr16/cr16.c: Ditto.
13682         * config/cris/cris.c: Ditto.
13683         * config/epiphany/epiphany.c: Ditto.
13684         * config/fr30/fr30.c: Ditto.
13685         * config/frv/frv.c: Ditto.
13686         * config/h8300/h8300.c: Ditto.
13687         * config/ia64/ia64.c: Ditto.
13688         * config/iq2000/iq2000.c: Ditto.
13689         * config/lm32/lm32.c: Ditto.
13690         * config/m32c/m32c.c: Ditto.
13691         * config/m32r/m32r.c: Ditto.
13692         * config/m68k/m68k.c: Ditto.
13693         * config/mcore/mcore.c: Ditto.
13694         * config/microblaze/microblaze.c: Ditto.
13695         * config/mmix/mmix.c: Ditto.
13696         * config/mn10300/mn10300.c: Ditto.
13697         * config/moxie/moxie.c: Ditto.
13698         * config/msp430/msp430.c: Ditto.
13699         * config/nios2/nios2.c: Ditto.
13700         * config/nvptx/nvptx.c: Ditto.
13701         * config/pa/pa.c: Ditto.
13702         * config/pdp11/pdp11.c: Ditto.
13703         * config/rl78/rl78.c: Ditto.
13704         * config/sparc/sparc.c: Ditto.
13705         * config/spu/spu.c: Ditto.
13706         * config/stormy16/stormy16.c: Ditto.
13707         * config/tilegx/tilegx.c: Ditto.
13708         * config/tilepro/tilepro.c: Ditto.
13709         * config/v850/v850.c: Ditto.
13710         * config/vax/vax.c: Ditto.
13711         * config/visium/visium.c: Ditto.
13712         * config/xtensa/xtensa.c: Ditto.
13714 2016-09-14  Jakub Jelinek  <jakub@redhat.com>
13716         PR sanitizer/68260
13717         * tsan.c: Include target.h.
13718         (enum tsan_atomic_action): Add bool_clear and bool_test_and_set.
13719         (BOOL_CLEAR, BOOL_TEST_AND_SET): Define.
13720         (tsan_atomic_table): Add BUILT_IN_ATOMIC_CLEAR and
13721         BUILT_IN_ATOMIC_TEST_AND_SET entries.
13722         (instrument_builtin_call): Handle bool_clear and bool_test_and_set.
13724 2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13725             Martin Liska  <mliska@suse.cz>
13727         PR middle-end/77574
13728         * predict.c (force_edge_cold): Add braces to a condition.
13730 2016-09-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13732         PR rtl-optimization/77289
13733         * lra-constraints.c (get_final_hard_regno): Removed.
13734         (get_hard_regno): Add new parameter final_p.
13735         (get_reg_class): Directly call lra_get_elimination_hard_regno.
13736         (operands_match_p): Adjust call to get_hard_regno.
13737         (uses_hard_regs_p): Likewise.
13738         (process_alt_operands): Likewise.
13740 2016-09-13  Joe Seymour  <joe.s@somniumtech.com>
13742         PR target/70713
13743         * config/msp430/msp430.c (msp430_start_function): Emit an error
13744         if a function is both weak and specifies an interrupt number.
13746 2016-09-13  Jakub Jelinek  <jakub@redhat.com>
13748         PR tree-optimization/77454
13749         * tree-ssa-dom.c (optimize_stmt): Set modified flag on stmt after
13750         changing GIMPLE_COND.  Move update_stmt_if_modified call after this.
13751         Formatting fix.
13753 2016-09-13  Tamar Christina  <tamar.christina@arm.com>
13755         * config/aarch64/aarch64-builtins.c
13756         (aarch64_init_simd_builtins): Fix builtin type signature printing.
13758 2016-09-13  Uros Bizjak  <ubizjak@gmail.com>
13760         * config/alpha/alpha.c (alpha_pass_by_reference): Pass un-named
13761         SFmode and SCmode arguments by reference.
13763 2016-09-13  David Malcolm  <dmalcolm@redhat.com>
13765         * diagnostic-show-locus.c (selftest::test_one_liner_fixit_insert):
13766         Rename to...
13767         (selftest::test_one_liner_fixit_insert_before): ...this, and update
13768         for renaming of add_fixit_insert to add_fixit_insert_before.
13769         (selftest::test_one_liner_fixit_insert_after): New function.
13770         (selftest::test_one_liner_fixit_validation_adhoc_locations):
13771         Update for renaming of add_fixit_insert to add_fixit_insert_before.
13772         (selftest::test_one_liner_many_fixits): Likewise.
13773         (selftest::test_diagnostic_show_locus_one_liner): Update for
13774         renaming, call new test function.
13775         (selftest::test_diagnostic_show_locus_fixit_lines): Update for
13776         renaming of add_fixit_insert to add_fixit_insert_before.
13777         (selftest::test_fixit_consolidation): Likewise.
13778         * diagnostic.c (selftest::test_print_parseable_fixits_insert):
13779         Likewise.
13780         * edit-context.c (selftest::test_applying_fixits_insert): Rename to...
13781         (selftest::test_applying_fixits_insert_before): ...this.
13782         (selftest::test_applying_fixits_insert): Update for renaming of
13783         add_fixit_insert to add_fixit_insert_before.
13784         (selftest::test_applying_fixits_insert_after): New function.
13785         (selftest::test_applying_fixits_insert_after_at_line_end): New
13786         function.
13787         (selftest::test_applying_fixits_insert_after_failure): New function.
13788         (selftest::test_applying_fixits_multiple): Update for renaming of
13789         add_fixit_insert to add_fixit_insert_before.
13790         (selftest::change_line): Likewise.
13791         (selftest::test_applying_fixits_unreadable_file): Likewise.
13792         (selftest::test_applying_fixits_line_out_of_range): Likewise.
13793         (selftest::test_applying_fixits_column_validation): Likewise.
13794         (selftest::test_applying_fixits_column_validation): Likewise.
13795         (selftest::edit_context_c_tests): Update for renamed test function;
13796         call new test functions.
13798 2016-09-13  Pat Haugen  <pthaugen@us.ibm.com>
13800         PR tree-optimization/77536
13801         PR rtl-optimization/68212
13802         * config/rs6000/rs6000.md (div->recip splitter): Remove
13803         optimize_insn_for_speed_p condition.
13805 2016-09-13  Maciej W. Rozycki  <macro@imgtec.com>
13807         * optabs.c (prepare_cmp_insn): Update documentation comment.
13809 2016-09-13  Jakub Jelinek  <jakub@redhat.com>
13810             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13812         PR middle-end/77475
13813         * opts.h (candidates_list_and_hint): Declare.
13814         * opts-common.c (candidates_list_and_hint): New function.
13815         (cmdline_handle_error): Use it.
13817 2016-09-12  David Malcolm  <dmalcolm@redhat.com>
13819         * edit-context.c (edited_line::get_len): New accessor.
13820         (edited_file::print_diff): Split out hunk-printing into...
13821         (edited_file::print_diff_hunk): New method.
13822         (edited_file::print_diff_line): New method.
13824 2016-09-12  Andrew Pinski  <apinski@cavium.com>
13826         * config/aarch64/aarch64-tuning-flags.def (SLOW_UNALIGNED_LDPW):
13827         New tuning option.
13828         * config/aarch64/aarch64.c (thunderx_tunings): Enable
13829         AARCH64_EXTRA_TUNE_SLOW_UNALIGNED_LDPW.
13830         (aarch64_operands_ok_for_ldpstp): Return false if
13831         AARCH64_EXTRA_TUNE_SLOW_UNALIGNED_LDPW and the mode
13832         was SImode and the alignment is less than 8 byte.
13833         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
13835 2016-09-12  Orlando Arias  <oarias@knights.ucf.edu>
13837         PR target/77570
13838         * config/msp430/msp430.md (delay_cycles_32x): Fix pushm/popm.
13840 2016-09-12  Marek Polacek  <polacek@redhat.com>
13842         * doc/extend.texi: Use lowercase "boolean".
13843         * doc/invoke.texi: Likewise.
13844         * doc/md.texi: Likewise.
13845         * target.def: Likewise.
13846         * doc/tm.texi: Regenerated.
13848 2016-09-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13850         PR middle-end/77426
13851         * expmed.c (synth_mult): Delete duplicate mode check.
13853 2016-09-10  Tom de Vries  <tom@codesourcery.com>
13855         PR C/71602
13856         * builtins.c (std_canonical_va_list_type): Strictly return non-null for
13857         va_list type only.
13858         * config/i386/i386.c (ix86_canonical_va_list_type): Same.
13859         * gimplify.c (gimplify_va_arg_expr): Handle &va_list.
13861 2016-09-09  Peter Bergner  <bergner@vnet.ibm.com>
13863         PR rtl-optimization/77289
13864         * lra-constraints.c (get_final_hard_regno): Add support for non hard
13865         register numbers.  Remove support for subregs.
13866         (get_hard_regno): Use SUBREG_P.  Don't call get_final_hard_regno().
13867         (get_reg_class): Delete removed get_final_hard_regno() argument.
13868         (uses_hard_regs_p): Call get_final_hard_regno().
13870 2016-09-09  Martin Sebor  <msebor@redhat.com>
13872         PR c/77520
13873         PR c/77521
13874         * pretty-print.c (pp_quoted_string): New function.
13875         (pp_format): Call it for %c and %s directives.
13877 2016-09-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13879         * doc/tm.texi.in (INITIAL_FRAME_POINTER_OFFSET): Remove.
13880         (ELIMINABLE_REGS, TARGET_CAN_ELIMINATE,
13881         INITIAL_ELIMINATION_OFFSET) : Update documentation.
13882         * target.def (frame_pointer_required, can_eliminate): Likewise.
13883         * doc/tm.texi: Regenerated.
13884         * builtins.c (expand_builtin_setjmp_receiver): Remove #ifdef
13885         ELIMINABLE_REGS.
13886         * df-scan.c (df_hard_reg_init): Likewise.
13887         * ira.c (ira_setup_eliminable_regset): Likewise.
13888         * lra-eliminations.c (reg_eliminate_1, (update_reg_eliminate,
13889         init_elim_table): Likewise.
13890         * reload1.c (reg_eliminate_1, verify_initial_elim_offsets,
13891         set_initial_elim_offsets, update_eliminables,
13892         init_elim_table): Likewise.
13893         * rtlanal.c (get_initial_register_offset): Likewise.
13894         * config/ft32/ft32.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
13895         * config/m32r/m32r.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
13896         * config/moxie/moxie.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
13897         * config/vax/vax.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
13898         * config/fr30/fr30.h: Fix comment.
13899         * config/frv/frv.c: Likewise.
13900         * config/frv/frv.h: Likewise.
13901         * config/ft32/ft32.h: Likewise.
13902         * config/visium/visium.h: Likewise.
13903         * config/pa/pa64-linux.h: Likewise.
13904         * config/v850/v850.h: Likewise.
13905         * config/cris/cris.c: Likewise.
13906         * config/ia64/ia64.h: Likewise.
13907         * config/moxie/moxie.h: Likewise.
13908         * config/m32r/m32r.h: Likewise.
13910 2016-09-10  Alexander Ivchenko  <alexander.ivchenko@intel.com>
13912         PR target/77267
13913         * config.in: Regenerate.
13914         * config/i386/linux-common.h (MPX_LD_AS_NEEDED_GUARD_PUSH):
13915         New macro.
13916         (MPX_LD_AS_NEEDED_GUARD_PUSH): Ditto.
13917         (LIBMPXWRAPPERS_SPEC): Remove "--no-whole-archive" from
13918         static-libmpxwrappers case.
13919         (LIBMPX_SPEC): Add guards with MPX_LD_AS_NEEDED_GUARD_PUSH and
13920         MPX_LD_AS_NEEDED_GUARD_POP.
13921         * configure: Regenerate.
13922         * configure.ac (HAVE_LD_PUSHPOPSTATE_SUPPORT): New variable.
13923         defined if linker support "--push-state"/"--pop-state".
13925 2016-09-09  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13927         * doc/cpp.texi (__*_WIDTH__): Small wording fixes.
13929 2016-09-09  Joseph Myers  <joseph@codesourcery.com>
13931         * doc/cpp.texi (__SCHAR_WIDTH__, __SHRT_WIDTH__, __INT_WIDTH__)
13932         (__LONG_WIDTH__, __LONG_LONG_WIDTH__, __PTRDIFF_WIDTH__)
13933         (__SIG_ATOMIC_WIDTH__, __SIZE_WIDTH__, __WCHAR_WIDTH__)
13934         (__WINT_WIDTH__, __INT_LEAST8_WIDTH__, __INT_LEAST16_WIDTH__)
13935         (__INT_LEAST32_WIDTH__, __INT_LEAST64_WIDTH__)
13936         (__INT_FAST8_WIDTH__, __INT_FAST16_WIDTH__, __INT_FAST32_WIDTH__)
13937         (__INT_FAST64_WIDTH__, __INTPTR_WIDTH__, __INTMAX_WIDTH__):
13938         Document.
13939         * ginclude/stdint-gcc.h [__STDC_WANT_IEC_60559_BFP_EXT__]: Define
13940         width macros from TS 18661-1.
13941         * glimits.h [__STDC_WANT_IEC_60559_BFP_EXT__]: Likewise.
13943 2016-09-08  Jakub Jelinek  <jakub@redhat.com>
13945         PR fortran/77516
13946         * omp-low.c (lower_rec_simd_input_clauses): Use max_vf for non-positive
13947         OMP_CLAUSE_SAFELEN_EXPR.
13949 2016-09-07  David Malcolm  <dmalcolm@redhat.com>
13951         * Makefile.in (OBJS): Add substring-locations.o.
13952         * langhooks-def.h (class substring_loc): New forward decl.
13953         (lhd_get_substring_location): New decl.
13954         (LANG_HOOKS_GET_SUBSTRING_LOCATION): New macro.
13955         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_GET_SUBSTRING_LOCATION.
13956         * langhooks.c (lhd_get_substring_location): New function.
13957         * langhooks.h (class substring_loc): New forward decl.
13958         (struct lang_hooks): Add field get_substring_location.
13959         * substring-locations.c: New file, taking definition of
13960         format_warning_va and format_warning_at_substring from
13961         c-family/c-format.c, making them non-static.
13962         * substring-locations.h (class substring_loc): Move class here
13963         from c-family/c-common.h.  Add and rewrite comments.
13964         (format_warning_va): New decl.
13965         (format_warning_at_substring): New decl.
13966         (get_source_location_for_substring): Add comment.
13968 2016-09-07  Eric Gallager  <egall@gwmail.gwu.edu>
13970         * config/i386/i386.c: Add 'U' suffix to processor feature bits
13971         to avoid -Wnarrowing warning.
13972         * config/i386/x86-tune.def: Likewise for DEF_TUNE selector bitmasks.
13973         * opts.c: Likewise for SANITIZER_OPT bitmasks.
13975 2016-09-07  Wilco Dijkstra  <wdijkstr@arm.com>
13977         * config/aarch64/aarch64.c (aarch64_legitimize_address):
13978         Avoid use of base_offset if offset already in range.
13980 2016-09-07  Kaz Kojima  <kkojima@gcc.gnu.org>
13982         * config/sh/sh-protos.h (struct sh_atomic_model,
13983         selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
13984         TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
13985         TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): Move to...
13986         * config/sh/sh.h (struct sh_atomic_model,
13987         selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
13988         TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
13989         TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): ...here.
13990         Guard with __cplusplus.
13992 2016-09-06  Jakub Jelinek  <jakub@redhat.com>
13994         PR target/69255
13995         * config/i386/i386.c (ix86_expand_builtin): For builtin with
13996         unsupported or unknown ISA, use expand_call.
13998 2016-09-06  Martin Liska  <mliska@suse.cz>
14000         PR gcov-profile/77378
14001         PR gcov-profile/77466
14002         * tree-profile.c (tree_profiling): Detect whether target can use
14003         -fprofile-update=atomic.
14005 2016-09-06  Richard Biener  <rguenther@suse.de>
14007         PR tree-optimization/77479
14008         * tree-vrp.c (update_value_range): Extend overflow handling to
14009         VARYING.
14011 2016-09-05  Jakub Jelinek  <jakub@redhat.com>
14013         PR target/77476
14014         * config/i386/i386.md (isa): Add x64_avx512bw.
14015         (*zero_extendsidi2): For alternative 11 use x64_avx512bw isa.
14016         (kmov_isa): New mode attr.
14017         (zero_extend<mode>di2): Use <kmov_isa> isa for the last alternative.
14018         (*zero_extend<mode>si2): Likewise.
14019         (*zero_extendqihi2): Use avx512dq isa for the last alternative.
14021 2016-09-05  Gerald Pfeifer  <gerald@pfeifer.com>
14023         * doc/invoke.texi (SPU Options): nops -> NOPs.
14024         (x86 Options): Ditto.
14026 2016-09-05  Jakub Jelinek  <jakub@redhat.com>
14028         PR middle-end/77475
14029         * toplev.c (process_options): Temporarily set input_location
14030         to UNKNOWN_LOCATION around targetm.target_option.override () call.
14032 2016-09-05  Uros Bizjak  <ubizjak@gmail.com>
14034         PR rtl-optimization/77452
14035         * explow.c (plus_constant) <case MEM>: Extract scalar constant from
14036         inner-mode reference to a CONST_VECTOR constant in the constant pool.
14038 2016-09-05  Marek Polacek  <polacek@redhat.com>
14040         PR c/77423
14041         * doc/invoke.texi: Update -Wlogical-not-parentheses documentation.
14043 2016-09-05  Jakub Jelinek  <jakub@redhat.com>
14045         PR other/77421
14046         * gensupport.c (alter_output_for_subst_insn): Remove redundant
14047         *insn_out == '*' test.  Don't copy unnecessary to yet another
14048         memory buffer, and don't leak it.
14050         PR rtl-optimization/77425
14051         * ipa-devirt.c (get_odr_type): Set val->id unconditionally.
14053 2016-09-03  Kirill Yukhin  <kirill.yukhin@intel.com>
14055         * ubsan.c (ubsan_use_new_style_p): Fix check for empty string.
14057 2016-09-02  David Malcolm  <dmalcolm@redhat.com>
14059         * common.opt (fdiagnostics-generate-patch): New option.
14060         * diagnostic.c: Include "edit-context.h".
14061         (diagnostic_initialize): Initialize context->edit_context_ptr.
14062         (diagnostic_finish): Delete context->edit_context_ptr.
14063         (diagnostic_report_diagnostic): Add fix-it hints from the
14064         diagnostic to context->edit_context_ptr, if any.
14065         * diagnostic.h (class edit_context): Add forward decl.
14066         (struct diagnostic_context): Add field "edit_context_ptr".
14067         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
14068         -fdiagnostics-generate-patch.
14069         (-fdiagnostics-generate-patch): New item.
14070         * toplev.c: Include "edit-context.h".
14071         (process_options): Set global_dc->edit_context_ptr to a new
14072         edit_context if the options need one.
14073         (toplev::main): Handle -fdiagnostics-generate-patch by using
14074         global_dc->edit_context_ptr.
14076 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
14078         PR c/65467
14079         * gimplify.c (gimplify_adjust_omp_clauses_1): Diagnose implicit
14080         map and firstprivate clauses on target construct for _Atomic
14081         qualified decls.
14082         (gimplify_adjust_omp_clauses): Diagnose explicit firstprivate clauses
14083         on target construct for _Atomic qualified decls.
14084         * omp-low.c (use_pointer_for_field): Return true for _Atomic qualified
14085         decls.
14086         * omp-simd-clone.c (simd_clone_clauses_extract): Warn and give up for
14087         _Atomic qualified arguments not mentioned in uniform clause.
14089 2016-09-02  David Malcolm  <dmalcolm@redhat.com>
14091         * Makefile.in (OBJS-libcommon): Add edit-context.o.
14092         * diagnostic-color.c (color_dict): Add "diff-filename",
14093         "diff-hunk", "diff-delete", and "diff-insert".
14094         (parse_gcc_colors): Update default value of GCC_COLORS in comment
14095         to reflect above changes.
14096         * doc/invoke.texi (-fdiagnostics-color): Update description of
14097         default GCC_COLORS, and of the supported capabilities.
14098         * edit-context.c: New file.
14099         * edit-context.h: New file.
14100         * input.c (struct fcache): Add field "missing_trailing_newline".
14101         (diagnostics_file_cache_forcibly_evict_file): Initialize it to
14102         true.
14103         (add_file_to_cache_tab): Likewise.
14104         (fcache::fcache): Likewise.
14105         (get_next_line): Update c->missing_trailing_newline.
14106         (location_missing_trailing_newline): New function.
14107         * input.h (location_missing_trailing_newline): New decl.
14108         * selftest-run-tests.c (selftest::run_tests): Call
14109         edit_context_c_tests.
14110         * selftest.h (edit_context_c_tests): New decl.
14112 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
14113             Richard Biener  <rguenth@suse.de>
14115         PR tree-optimization/77444
14116         * tree-ssa-loop-ivopts.c (cand_value_at): For pointers use sizetype
14117         as steptype, remove redundant initialization.
14119 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
14121         PR sanitizer/77396
14122         * sanopt.c: Include gimple-ssa.h, tree-phinodes.h and ssa-iterators.h.
14123         (sanopt_optimize_walker): Optimize away
14124         __asan_before_dynamic_init (...) followed by
14125         __asan_after_dynamic_init () without intervening memory loads/stores.
14126         * ipa-pure-const.c (special_builtin_state): Handle
14127         BUILT_IN_ASAN_BEFORE_DYNAMIC_INIT and
14128         BUILT_IN_ASAN_AFTER_DYNAMIC_INIT.
14130 2016-09-02  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
14132         * cfg.c (free_original_copy_tables): Replace second assignment of
14133         bb_copy = NULL by bb_original = NULL.
14135 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
14137         PR other/77421
14138         * config/i386/i386.c (ix86_expanded_args_builtin): Remove redundant
14139         assignment added in r216794.
14141 2016-09-02  David Malcolm  <dmalcolm@redhat.com>
14143         * Makefile.in (OBJS): Add typed-splay-tree.o.
14144         * selftest-run-tests.c (selftest::run_tests): Call
14145         typed_splay_tree_c_tests.
14146         * selftest.h (typed_splay_tree_c_tests): New decl.
14147         * typed-splay-tree.c: New file.
14148         * typed-splay-tree.h (typed_splay_tree::foreach_fn): New typedef.
14149         (typed_splay_tree::max): New method.
14150         (typed_splay_tree::min): New method.
14151         (typed_splay_tree::foreach): New method.
14152         (typed_splay_tree::closure): New struct.
14153         (typed_splay_tree::inner_foreach_fn): New function.
14155 2016-09-02  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
14157         * ipa-cp.c (ipcp_store_bits_results): Change option name from
14158         -fipa-cp-bit to -fipa-bit-cp.
14160 2016-09-01  Martin Sebor  <msebor@redhat.com>
14162         PR tree-optimization/71831
14163         * tree-object-size.h: Return bool instead of the size and add
14164         argument for the size.
14165         * tree-object-size.c (compute_object_offset): Update signature.
14166         (addr_object_size): Same.
14167         (compute_builtin_object_size): Return bool instead of the size
14168         and add argument for the size.  Handle POINTER_PLUS_EXPR when
14169         optimization is disabled.
14170         (expr_object_size): Adjust.
14171         (plus_stmt_object_size): Adjust.
14172         (pass_object_sizes::execute): Adjust.
14173         * builtins.c (fold_builtin_object_size): Adjust.
14174         * doc/extend.texi (Object Size Checking): Update.
14175         * ubsan.c (instrument_object_size): Adjust.
14177 2016-09-01  Martin Sebor  <msebor@redhat.com>
14179         * genmatch.c (parser::parse_expr): Increase buffer size to guarantee
14180         it fits the output of the formatted function regardless of its
14181         arguments.
14182         * genmodes.c (parser::parse_expr): Same.
14183         * gimplify.c (gimplify_asm_expr): Same.
14184         * passes.c (pass_manager::register_one_dump_file): Same.
14185         * print-tree.c (print_node): Same.
14187 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
14189         * config/rs6000/altivec.md: Use VSCR_REGNO instead of 110 throughout.
14191 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
14193         * config/rs6000/altivec.md: Use VRSAVE_REGNO instead of 109 throughout.
14195 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
14197         * config/rs6000/altivec.md: Use CR6_REGNO instead of 74 throughout.
14198         * config/rs6000/vector.md: Ditto.
14199         * config/rs6000/vsx.md: Ditto.
14201 2016-09-01  Eric Botcazou  <ebotcazou@adacore.com>
14203         * ipa-inline-analysis.c (param_change_prob): Get to the base object
14204         first in all cases.
14206 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
14208         * config/rs6000/rs6000.md (*restore_gpregs_<mode>_r11,
14209         *restore_gpregs_<mode>_r12, *restore_gpregs_<mode>_r1,
14210         *return_and_restore_gpregs_<mode>_r11,
14211         *return_and_restore_gpregs_<mode>_r12,
14212         *return_and_restore_gpregs_<mode>_r1,
14213         *return_and_restore_fpregs_<mode>_r11,
14214         *return_and_restore_fpregs_<mode>_r12,
14215         *return_and_restore_fpregs_<mode>_r1): Use the hard register LR_REGNO
14216         directly instead of via the "l" constraint.  Renumber operands.
14217         Fix whitespace.
14219 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
14221         * config/rs6000/altivec.md (*save_world, *save_vregs_<mode>_r11,
14222         save_vregs_<mode>_r12, *restore_vregs_<mode>_r11,
14223         *restore_vregs_<mode>_r12): Use LR_REGNO instead of 65.
14224         * config/rs6000/darwin.md (load_macho_picbase, load_macho_picbase_si,
14225         load_macho_picbase_di, *call_indirect_nonlocal_darwin64,
14226         *call_nonlocal_darwin64, *call_value_indirect_nonlocal_darwin64,
14227         *call_value_nonlocal_darwin64, reload_macho_picbase,
14228         reload_macho_picbase_si, reload_macho_picbase_di): Ditto.
14229         * config/rs6000/rs6000.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Ditto.
14230         * config/rs6000/rs6000.md (*save_gpregs_<mode>_r11,
14231         *save_gpregs_<mode>_r12, *save_gpregs_<mode>_r1,
14232         *save_fpregs_<mode>_r11, *save_fpregs_<mode>_r12,
14233         *save_fpregs_<mode>_r1): Ditto.
14234         * config/rs6000/spe.md (*save_gpregs_spe, *restore_gpregs_spe,
14235         *return_and_restore_gpregs_spe): Ditto.
14237 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
14239         * config/rs6000/rs6000.md
14240         (define_insn "*return_and_restore_fpregs_aix_<mode>_r11"): Delete
14241         the use of the link register.
14242         (define_insn "*return_and_restore_fpregs_aix_<mode>_r1"): Ditto.
14244 2016-09-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14245             Michael Meissner  <meissner@linux.vnet.ibm.com>
14247         PR target/72827
14248         * config/rs6000/rs6000.c (rs6000_legitimize_address): Avoid
14249         reg+reg addressing for TImode.
14250         (rs6000_legitimate_address_p): Only allow register indirect
14251         addressing for TImode, even without TARGET_QUAD_MEMORY.
14253 2016-09-01  Richard Biener  <rguenther@suse.de>
14255         PR middle-end/77436
14256         * tree-chrec.c (tree_fold_binomial): Use widest_int, properly
14257         check whether the result fits the desired result type.
14259 2016-09-01  Nathan Sidwell  <nathan@acm.org>
14261         * config/nvptx/nvptx.md (cbranch<mode>4): Op 2 can be const.
14263 2016-09-01  Wilco Dijkstra  <wdijkstr@arm.com>
14265         * config/aarch64/aarch64.c (aarch64_legitimize_address_displacement):
14266         New function.
14267         (TARGET_LEGITIMIZE_ADDRESS_DISPLACEMENT): Define.
14269 2016-09-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14271         * config/aarch64/aarch64.md (*ands<mode>_compare0): New pattern.
14272         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_NZmode
14273         for comparisons of integer ZERO_EXTEND against zero.
14275 2016-09-01  Eric Botcazou  <ebotcazou@adacore.com>
14277         * config/i386/i386.c (ix86_option_override_internal): Also disable the
14278         STV pass if -mstackrealign is enabled.
14280 2016-08-31  Ilya Verbin  <iverbin@gmail.com>
14282         * config/i386/driver-i386.c (host_detect_local_cpu): Fix detection of
14283         AVX512IFMA.
14285 2016-08-31  David Malcolm  <dmalcolm@redhat.com>
14287         * diagnostic-show-locus.c (class layout): Add field m_fixit_hints.
14288         (layout_range::intersects_line_p): New method.
14289         (test_range_contains_point_for_single_point): Rename to...
14290         (test_layout_range_for_single_point): ...this, and add testing
14291         for layout_range::intersects_line_p.
14292         (test_range_contains_point_for_single_line): Rename to...
14293         (test_layout_range_for_single_line): ...this,  and add testing
14294         for layout_range::intersects_line_p.
14295         (test_range_contains_point_for_multiple_lines): Rename to...
14296         (test_layout_range_for_multiple_lines): ...this,  and add testing
14297         for layout_range::intersects_line_p.
14298         (layout::layout): Populate m_fixit_hints.
14299         (layout::get_expanded_location): Handle the case of a line-span
14300         for a fix-it hint.
14301         (layout::validate_fixit_hint_p): New method.
14302         (get_line_span_for_fixit_hint): New function.
14303         (layout::calculate_line_spans): Add spans for fixit-hints.
14304         (layout::should_print_annotation_line_p): New method.
14305         (layout::print_any_fixits): Drop param "richloc", instead using
14306         validated fixits in m_fixit_hints.  Add "const" to hint pointers.
14307         (diagnostic_show_locus): Avoid printing blank annotation lines.
14308         (selftest::test_diagnostic_context::test_diagnostic_context):
14309         Initialize show_column and start_span.
14310         (selftest::test_diagnostic_context::start_span_cb): New static
14311         function.
14312         (selftest::test_diagnostic_show_locus_fixit_lines): New function.
14313         (selftest::diagnostic_show_locus_c_tests): Update for function
14314         renamings.  Call test_diagnostic_show_locus_fixit_lines.
14316 2016-08-31  Marc Glisse  <marc.glisse@inria.fr>
14318         PR tree-optimization/73714
14319         * match.pd (a * (1 << b)): Revert change from 2016-05-23.
14321 2016-08-31  David Malcolm  <dmalcolm@redhat.com>
14323         * selftest.c: Move "namespace selftest {" to top of file,
14324         removing explicit "selftest::" qualifiers throughout.
14326 2016-08-31  Marc Glisse  <marc.glisse@inria.fr>
14328         * config/i386/avx512fintrin.h (__m512_u, __m512i_u, __m512d_u):
14329         New types.
14330         (_mm512_loadu_pd, _mm512_storeu_pd, _mm512_loadu_ps,
14331         _mm512_storeu_ps, _mm512_loadu_si512, _mm512_storeu_si512):
14332         Replace builtin with vector extension.
14333         * config/i386/avxintrin.h (__m256_u, __m256i_u, __m256d_u):
14334         New types.
14335         (_mm256_loadu_pd, _mm256_storeu_pd, _mm256_loadu_ps,
14336         _mm256_storeu_ps, _mm256_loadu_si256, _mm256_storeu_si256):
14337         Replace builtin with vector extension.
14338         * config/i386/emmintrin.h (__m128i_u, __m128d_u): New types.
14339         (_mm_loadu_pd, _mm_storeu_pd, _mm_loadu_si128, _mm_storeu_si128):
14340         Replace builtin with vector extension.
14341         * config/i386/xmmintrin.h (__m128_u): New type.
14342         (_mm_loadu_ps, _mm_storeu_ps): Replace builtin with vector extension.
14343         (_mm_load_ps, _mm_store_ps): Simplify.
14345 2016-08-31  Eric Botcazou  <ebotcazou@adacore.com>
14347         * config/arm/arm.c (thumb1_size_rtx_costs) <SET>: Add missing guard.
14349 2016-08-30  David Malcolm  <dmalcolm@redhat.com>
14351         * diagnostic-show-locus.c (colorizer::begin_state): Support more
14352         than 3 ranges per diagnostic by alternating between color 1 and
14353         color 2.
14354         (layout::layout): Replace use of rich_location::MAX_RANGES
14355         with richloc->get_num_locations ().
14356         (layout::calculate_line_spans): Replace use of
14357         rich_location::MAX_RANGES with m_layout_ranges.length ().
14358         (layout::print_annotation_line): Handle arbitrary numbers of
14359         ranges in caret-printing by defaulting to '^'.
14360         (selftest::test_one_liner_many_fixits): New function.
14361         (test_diagnostic_show_locus_one_liner): Call it.
14362         * diagnostic.c (diagnostic_initialize): Update for renaming
14363         of rich_location::MAX_RANGES to
14364         rich_location::STATICALLY_ALLOCATED_RANGES.
14365         * diagnostic.h (struct diagnostic_context): Likewise.
14367 2016-08-30  David Malcolm  <dmalcolm@redhat.com>
14369         * selftest.c (selftest::named_temp_file::named_temp_file): New
14370         ctor.
14371         (selftest::temp_source_file::~temp_source_file): Move to...
14372         (selftest::named_temp_file::~named_temp_file): ...here.
14373         (selftest::test_named_temp_file): New function.
14374         (selftest::selftest_c_tests): Call test_named_temp_file.
14375         * selftest.h (class named_temp_file): New class.
14376         (class temp_source_file): Convert to a subclass of named_temp_file.
14378 2016-08-30  Segher Boessenkool  <segher@kernel.crashing.org>
14380         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Do not emit
14381         USEs of LR_REGNO in returns and sibcalls.
14382         (rs6000_output_mi_thunk): Similar.
14383         (rs6000_sibcall_aix): Similar.
14384         * config/rs6000/rs6000.md (sibcall, sibcall_value, sibcall_local32,
14385         sibcall_local64, sibcall_value_local32, sibcall_value_local64,
14386         sibcall_nonlocal_sysv<mode>, sibcall_value_nonlocal_sysv<mode>):
14387         Remove the USE of LR_REGNO from the patterns as well.  Delete an
14388         obsolete comment.
14389         (return_internal_<mode>): Delete.
14391 2016-08-30  Tamar Christina  <tamar.christina@arm.com>
14393         * config/aarch64/aarch64-simd.md
14394         (aarch64_ld2<mode>_dreg_le): New.
14395         (aarch64_ld2<mode>_dreg_be): New.
14396         (aarch64_ld2<mode>_dreg): Removed.
14397         (aarch64_ld3<mode>_dreg_le): New.
14398         (aarch64_ld3<mode>_dreg_be): New.
14399         (aarch64_ld3<mode>_dreg): Removed.
14400         (aarch64_ld4<mode>_dreg_le): New.
14401         (aarch64_ld4<mode>_dreg_be): New.
14402         (aarch64_ld4<mode>_dreg): Removed.
14403         (aarch64_ld<VSTRUCT:nregs><VDC:mode>): Wrapper around _le, _be.
14405 2016-08-30  David Malcolm  <dmalcolm@redhat.com>
14407         * diagnostic-show-locus.c (test_one_liner_fixit_insert): Remove
14408         redundant location param.
14409         (test_one_liner_fixit_remove): Likewise.
14410         (test_one_liner_fixit_replace): Likewise.
14411         (test_one_liner_fixit_replace_equal_secondary_range): Likewise.
14412         * gcc-rich-location.c
14413         (gcc_rich_location::add_fixit_misspelled_id): Eliminate call to
14414         get_range_from_loc.  Drop overload taking a const char *.
14415         * gcc-rich-location.h
14416         (gcc_rich_location::add_fixit_misspelled_id): Drop overload taking
14417         a const char *.
14419 2016-08-30  Szabolcs Nagy  <szabolcs.nagy@arm.com>
14421         * config/linux.c (linux_libc_has_function): Return true on musl.
14423 2016-08-30  Szabolcs Nagy  <szabolcs.nagy@arm.com>
14425         * config.gcc (*-*-*musl*): Disable gnu-indirect-function.
14427 2016-08-30  Eric Botcazou  <ebotcazou@adacore.com>
14429         * postreload-gcse.c (bb_has_well_behaved_predecessors): Tweak criterion
14430         used for abnormal egdes.
14432 2016-08-30  Jakub Jelinek  <jakub@redhat.com>
14434         PR tree-optimization/72866
14435         * tree-vect-patterns.c (search_type_for_mask): Turn into
14436         a small wrapper, move all code to ...
14437         (search_type_for_mask_1): ... this new function.  Add caching
14438         and adjust recursive calls.
14440         PR debug/77363
14441         * dwarf2out.c (modified_type_die): Use lookup_type_die (type)
14442         instead of lookup_type_die (type_main_variant (type)) even for array
14443         types.
14445         PR middle-end/77377
14446         * simplify-rtx.c (avoid_constant_pool_reference): For out of bounds
14447         constant pool reference return x instead of c.
14449 2016-08-29  Segher Boessenkool  <segher@kernel.crashing.org>
14451         * config/rs6000/rs6000.h (CALL_REALLY_USED_REGISTERS): Do not
14452         include MQ.
14454 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
14456         * input.c
14457         (selftest::test_make_location_nonpure_range_endpoints): Fix
14458         header comment.
14460 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
14462         * diagnostic-show-locus.c
14463         (selftest::test_one_liner_fixit_validation_adhoc_locations): New
14464         function.
14465         (selftest::test_diagnostic_show_locus_one_liner): Call it.
14466         * input.c (get_pure_location): Move to libcpp/line-map.c.
14467         * input.h (get_pure_location): Convert decl to an inline function
14468         calling implementation in libcpp.
14470 2016-08-29  Uros Bizjak  <ubizjak@gmail.com>
14472         PR target/77403
14473         * config/i386/sse.md (vec_set_lo_<mode><mask_name>): Fix assembler
14474         template for intel asm dialect.
14475         (vec_set_hi_<mode><mask_name>): Ditto.
14477 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
14479         * selftest.h (selftest::fail): Add ATTRIBUTE_NORETURN.
14480         (selftest::fail_formatted): Likewise.
14482 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
14484         * input.c (make_location): Call get_start and get_finish
14485         on the endpoints to avoid storing packed ranges or ad-hoc
14486         ranges in them.
14487         (selftest::test_make_location_nonpure_range_endpoints): New function.
14488         (selftest::input_c_tests): Call it.
14489         * input.h (get_start): New inline function.
14491 2016-08-29  Tom de Vries  <tom@codesourcery.com>
14493         PR c/77398
14494         * gimplify.c (gimplify_va_arg_expr): Replace first argument type error
14495         with assert.
14497 2016-08-29  Eric Botcazou  <ebotcazou@adacore.com>
14499         * Makefile.in (gcov-iov.h): Add dummy recipe.
14501 2016-08-29  Nathan Sidwell  <nathan@acm.org>
14503         * config/nvptx/nvptx.c: #include tree-vrp.h.
14505 2016-08-28  Eric Botcazou  <ebotcazou@adacore.com>
14507         PR target/77324
14508         * config/sparc/sparc.c (sparc_legitimate_address_p): Accept special
14509         HIGH+LO construct during reload.
14511 2016-08-28  Tom de Vries  <tom@codesourcery.com>
14513         PR lto/70955
14514         * config/i386/i386.c (ix86_build_builtin_va_list_64): Tag type with
14515         'sysv_abi va_list' attribute.
14516         (ix86_build_builtin_va_list): Tag type with 'ms_abi va_list' attribute.
14517         (ix86_canonical_va_list_type): Handle 'sysv_abi/ms_abi va_list'
14518         attributes.
14520 2016-08-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14522         * emit-rtl.h (struct rtl_data): Make stack_slot_list a vector.
14523         * emit-rtl.c (unshare_all_rtl_1): Adjust.
14524         (unshare_all_rtl_again): Likewise.
14525         * function.c (assign_stack_local_1): Likewise.
14526         (assign_stack_temp_for_type): Likewise.
14528 2016-08-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14530         * cfgbuild.c (make_edges): Adjust.
14531         * cfgrtl.c (can_delete_label_p): Likewise.
14532         * dwarf2cfi.c (create_trace_edges): Likewise.
14533         * except.c (sjlj_emit_dispatch_table): Likewise.
14534         * function.h (struct expr_status): make x_forced_labels a vector.
14535         * jump.c (rebuild_jump_labels_1): Adjust.
14536         * reload1.c (set_initial_label_offsets): Likewise.
14537         * stmt.c (force_label_rtx): Likewise.
14538         (expand_label): Likewise.
14540 2016-08-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14542         * haifa-sched.c (fix_recovery_deps): Make ready_list a vector.
14544 2016-08-27  Patrick Palka  <ppalka@gcc.gnu.org>
14546         PR tree-optimization/71077
14547         PR tree-optimization/68542
14548         * fold-const.c (fold_relational_const): Fix folding of
14549         VECTOR_CST comparisons that have a scalar boolean result type.
14550         (selftest::test_vector_folding): New static function.
14551         (selftest::fold_const_c_tests): Call it.
14553 2016-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
14555         * doc/extend.texi (SPU Built-in Functions): Remove stale
14556         references to material formerly at IBM and Sony.
14558 2016-08-26  David Edelsohn  <dje.gcc@gmail.com>
14560         PR target/77349
14561         * config/rs6000/xcoff.h (DWARF_OFFSET_SIZE): Define as PTR_SIZE.
14563 2016-08-26  David Malcolm  <dmalcolm@redhat.com>
14565         * diagnostic-show-locus.c
14566         (selftest::test_fixit_consolidation): New function.
14567         (selftest::diagnostic_show_locus_c_tests): Call it.
14568         * gcc-rich-location.h (gcc_rich_location): Eliminate unused
14569         constructor based on source_range.
14571 2016-08-26  David Malcolm  <dmalcolm@redhat.com>
14573         * diagnostic-color.c (color_dict): Add "fixit-insert" and
14574         "fixit-delete".
14575         (parse_gcc_colors): Update description of default GCC_COLORS.
14576         * diagnostic-show-locus.c (colorizer::set_fixit_hint): Delete.
14577         (colorizer::set_fixit_insert): New method.
14578         (colorizer::set_fixit_delete): New method.
14579         (colorizer::get_color_by_name): New method.
14580         (colorizer::STATE_FIXIT_INSERT): New constant.
14581         (colorizer::STATE_FIXIT_DELETE): New constant.
14582         (class colorizer): Drop "_cs" suffix from fields.  Delete "_ce"
14583         fields in favor of new field "m_stop_color".  Add fields
14584         "m_fixit_insert" and "m_fixit_delete".
14585         (colorizer::colorizer): Update for above changes.  Replace
14586         colorize_start calls with calls to get_color_by_name.
14587         (colorizer::begin_state): Handle STATE_FIXIT_INSERT and
14588         STATE_FIXIT_DELETE.  Update for field renamings.
14589         (colorizer::finish_state): Simplify by using m_stop_color,
14590         rather than multiple identical "*_ce" fields.
14591         (colorizer::get_color_by_name): New method.
14592         (layout::print_any_fixits): Print insertions and replacements
14593         using the "fixit-insert" color, and deletions using the
14594         "fixit-delete" color.
14595         * doc/invoke.texi (-fdiagnostics-color): Update description of
14596         default GCC_COLORS, and of the supported capabilities.
14598 2016-08-26  Max Filippov  <jcmvbkbc@gmail.com>
14600         * config/xtensa/xtensa.c (xtensa_expand_prologue): Update
14601         current_function_static_stack_size variable with the static
14602         stack frame size of the current function when
14603         flag_stack_usage_info is enabled.
14605 2016-08-26  Nathan Sidwell  <nathan@acm.org>
14607         * ipa-inline-analysis.c (inline_write_summary): Remove unnecessary
14608         assignment inside if condition.
14610 2016-08-26  Richard Biener  <rguenther@suse.de>
14612         PR tree-optimization/69047
14613         * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle general bitfield
14614         extracts similar to what FRE does.
14615         (non_rewritable_mem_ref_base): Likewise.
14617 2016-08-26  Joseph Myers  <joseph@codesourcery.com>
14619         * config/i386/i386.c (ix86_libgcc_floating_mode_supported_p)
14620         (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Remove.
14621         * config/i386/i386elf.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
14622         * config/i386/lynx.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
14623         * config/i386/netbsd-elf.h (IX86_MAYBE_NO_LIBGCC_TFMODE):
14624         Likewise.
14625         * config/i386/netbsd64.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
14626         * config/i386/nto.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
14627         * config/i386/openbsd.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
14628         * config/i386/rtemself.h (IX86_NO_LIBGCC_TFMODE): Likewise.
14629         * config/i386/vxworks.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
14631 2016-08-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14633         PR target/70473
14634         * config/arm/cortex-a8-neon.md (cortex_a8_vfp_muld): Reduce
14635         reservation duration to 15 cycles.
14636         (cortex_a8_vfp_macs): Likewise.
14637         (cortex_a8_vfp_macd): Likewise.
14638         (cortex_a8_vfp_divs): Likewise.
14639         (cortex_a8_vfp_divd): Likewise.
14641 2016-08-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14643         * config/arm/arm.c (arm_sets_movw_movt_fusible_p): New function.
14644         (aarch_macro_fusion_pair_p): Use above to avoid early return.
14646 2016-08-26  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
14647             Martin Jambhor  <mjambor@suse.cz>
14649         * common.opt: New option -fipa-bit-cp.
14650         * doc/invoke.texi: Document -fipa-bit-cp.
14651         * opts.c (default_options_table): Add entry for -fipa-bit-cp.
14652         (enable_fdo_optimizations): Check for flag_ipa_bit_cp.
14653         * tree-ssa-ccp.h: New header file.
14654         * tree-ssa-ccp.c: Include tree-ssa-ccp.h
14655         (bit_value_binop_1): Change to bit_value_binop_1 and export it.
14656         Replace all occurences of tree parameter by two new params: signop, int.
14657         (bit_value_unop_1): Change to bit_value_unop and export it.
14658         Replace all occurences of tree parameter by two new params: signop,
14659         int.
14660         (bit_value_binop): Change call from bit_value_binop_1 to
14661         bit_value_binop.
14662         (bit_value_assume_aligned): Likewise.
14663         (bit_value_unop): Change call from bit_value_unop_1 to bit_value_unop.
14664         (do_ssa_ccp): Pass nonzero_p || flag_ipa_cp_bit instead of nonzero_p
14665         to ccp_finalize.
14666         (ccp_finalize): Skip processing if val->mask == 0.
14667         * ipa-cp.c: Include tree-ssa-ccp.h
14668         (ipcp_bits_lattice): New class.
14669         (ipcp_param_lattice (bits_lattice): New member.
14670         (print_all_lattices): Call ipcp_bits_lattice::print.
14671         (set_all_contains_variable): Call ipcp_bits_lattice::set_to_bottom.
14672         (initialize_node_lattices): Likewise.
14673         (propagate_bits_accross_jump_function): New function.
14674         (propagate_constants_accross_call): Call
14675         propagate_bits_accross_jump_function.
14676         (ipcp_propagate_stage): Store parameter types when in_lto_p is true.
14677         (ipcp_store_bits_results): New function.
14678         (ipcp_driver): Call ipcp_store_bits_results.
14679         * ipa-prop.h (ipa_bits): New struct.
14680         (ipa_jump_func): Add new member bits of type ipa_bits.
14681         (ipa_param_descriptor): Change decl to decl_or_type.
14682         (ipa_get_param): Change decl to decl_or_type and assert on
14683         PARM_DECL.
14684         (ipa_get_type): New function.
14685         (ipcp_transformation_summary): New member bits.
14686         * ipa-prop.c (ipa_get_param_decl_index_1): s/decl/decl_or_type.
14687         (ipa_populate_param_decls): Likewise.
14688         (ipa_dump_param): Likewise.
14689         (ipa_print_node_jump_functions_for_edge): Pretty-print ipa_bits jump
14690         function.
14691         (ipa_set_jf_unknown): Set ipa_bits::known to false.
14692         (ipa_compute_jump_functions_for_edge): Compute jump function for bits
14693         propagation.
14694         (ipa_node_params_t::duplicate): Copy src->bits into dst->bits.
14695         (ipa_write_jump_function): Add streaming for ipa_bits.
14696         (ipa_read_jump_function): Add support for reading streamed ipa_bits.
14697         (write_ipcp_transformation_info): Add streaming for ipa_bits
14698         summary for ltrans.
14699         (read_ipcp_transfomration_info): Add support for reading streamed
14700         ipa_bits.
14701         (ipcp_update_bits): New function.
14702         (ipcp_transform_function): Call ipcp_update_bits.
14704 2016-08-25  Szabolcs Nagy  <szabolcs.nagy@arm.com>
14706         * config/mips/linux.h (MUSL_DYNAMIC_LINKER32): Update.
14707         (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERN32): Update.
14709 2016-08-25  David Edelsohn  <dje.gcc@gmail.com>
14711         * multiple_target.c (pass_data_dispatcher_calls): Fix typo.
14713 2016-08-25  Richard Biener  <rguenther@suse.de>
14715         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
14716         Only add locations in late dwarf.
14717         (gen_scheduled_generic_parms_dies): Do not set early dwarf here.
14718         (dwarf2out_early_finish): But do it here.
14720 2016-08-24  Michael Collison  <michael.collison@linaro.org>
14721             Michael Collison  <michael.collison@arm.com>
14723         * config/arm/arm-modes.def: Add new condition code mode CC_V
14724         to represent the overflow bit.
14725         * config/arm/arm.c (maybe_get_arm_condition_code):
14726         Add support for CC_Vmode.
14727         (arm_gen_unlikely_cbranch): New function to generate common
14728         rtl conditional branches for overflow patterns.
14729         * config/arm/arm-protos.h: Add prototype for
14730         arm_gen_unlikely_cbranch.
14731         * config/arm/arm.md (addv<mode>4, add<mode>3_compareV,
14732         addsi3_compareV_upper): New patterns to support signed
14733         builtin overflow add operations.
14734         (uaddv<mode>4, add<mode>3_compareC, addsi3_compareV_upper):
14735         New patterns to support unsigned builtin add overflow operations.
14736         (subv<mode>4, sub<mode>3_compare1): New patterns to support signed
14737         builtin overflow subtract operations,
14738         (usubv<mode>4): New patterns to support unsigned builtin subtract
14739         overflow operations.
14740         (negvsi3, negvdi3, negdi2_compare, negsi2_carryin_compare): New patterns
14741         to support builtin overflow negate operations.
14743 2016-08-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14745         Revert
14746         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
14748         * explow.c (get_dynamic_stack_size): Take known alignment of stack
14749         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
14750         needed.
14752 2016-08-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14754         * doc/fragments.texi (MULTILIB_REUSE): Mention that only options in
14755         MULTILIB_OPTIONS should be used.  Small wording fixes.
14756         * genmultilib: Memorize set of all option combinations in
14757         combination_space.  Detect if RHS of MULTILIB_REUSE uses an option not
14758         found in MULTILIB_OPTIONS by checking if option set is listed in
14759         combination_space.  Output new and existing error message to stderr.
14761 2016-08-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14763         * config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping for
14764         -mcpu=cortex-a7, -mfpu=neon-fp16, -mfpu=fpv5-d16 and -mfpu=fp-armv8.
14765         Fix typo in -mfpu=vfpv3-d16-fp16 mapping.
14766         (MULTILIB_REUSE): Remove reuse rules for option set including
14767         -mfpu=fp-armv8 and -mfpu=vfpv4
14769 2016-08-24  Sebastian Huber  <sebastian.huber@embedded-brains.de>
14771         * config/arm/t-rtems: Add vfp multilib.
14773 2016-08-23  Ian Lance Taylor  <iant@golang.org>
14775         * config/s390/s390.c (s390_asm_file_start): Call
14776         default_file_start.
14778 2016-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
14780         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Set
14781         initialization of all 0's to the 0 constant, instead of directly
14782         generating XOR.  Add support for V4SImode vector initialization on
14783         64-bit systems with direct move, and rework the ISA 3.0 V4SImode
14784         initialization.  Change variables used in V4SFmode vector
14785         intialization.  For V4SFmode vector splat on ISA 3.0, make sure
14786         any memory addresses are in index form.  Add support for using
14787         VSPLTH/VSPLTB to initialize vector short and vector char vectors
14788         with all of the same element.
14789         (regno_or_subregno): New helper function to return a register
14790         number for either REG or SUBREG.
14791         (rs6000_adjust_vec_address): Do not generate ADDI <reg>,R0,<num>.
14792         Use regno_or_subregno where possible.
14793         (rs6000_split_v4si_init_di_reg): New helper function to build up a
14794         DImode value from two SImode values in order to generate V4SImode
14795         vector initialization on 64-bit systems with direct move.
14796         (rs6000_split_v4si_init): Split up the insns for a V4SImode vector
14797         initialization.
14798         (rtx_is_swappable_p): V4SImode vector initialization insn is not
14799         swappable.
14800         * config/rs6000/rs6000-protos.h (rs6000_split_v4si_init): Add
14801         declaration.
14802         * config/rs6000/vsx.md (VSX_SPLAT_I): New mode iterators and
14803         attributes to initialize V8HImode and V16QImode vectors with the
14804         same element.
14805         (VSX_SPLAT_COUNT): Likewise.
14806         (VSX_SPLAT_SUFFIX): Likewise.
14807         (UNSPEC_VSX_VEC_INIT): New unspec.
14808         (vsx_concat_v2sf): Eliminate using 'preferred' register classes.
14809         Allow SFmode values to come from Altivec registers.
14810         (vsx_init_v4si): New insn/split for V4SImode vector initialization
14811         on 64-bit systems with direct move.
14812         (vsx_splat_<mode>, VSX_W iterator): Rework V4SImode and V4SFmode
14813         vector initializations, to allow V4SImode vector initializations
14814         on 64-bit systems with direct move.
14815         (vsx_splat_v4si): Likewise.
14816         (vsx_splat_v4si_di): Likewise.
14817         (vsx_splat_v4sf): Likewise.
14818         (vsx_splat_v4sf_internal): Likewise.
14819         (vsx_xxspltw_<mode>, VSX_W iterator): Eliminate using 'preferred'
14820         register classes.
14821         (vsx_xxspltw_<mode>_direct, VSX_W iterator): Likewise.
14822         (vsx_vsplt<VSX_SPLAT_SUFFIX>_di): New insns to support
14823         initializing V8HImode and V16QImode vectors with the same
14824         element.
14825         * config/rs6000/rs6000.h (TARGET_DIRECT_MOVE_64BIT): Disallow
14826         optimization if -maltivec=be.
14828 2016-08-23  Christophe Lyon  <christophe.lyon@linaro.org>
14830         * config/arm/arm.md (arm_movqi_insn): Swap predicable_short_it
14831         attribute for alternatives 3 and 4.
14833 2016-08-23  David Malcolm  <dmalcolm@redhat.com>
14835         * selftest.c (selftest::assert_str_contains): New function.
14836         (selftest::test_assertions): Verify ASSERT_STR_CONTAINS.
14837         * selftest.h (selftest::assert_str_contains): New decl.
14838         (ASSERT_STR_CONTAINS): New macro.
14840 2016-08-23  Richard Biener  <rguenther@suse.de>
14842         PR tree-optimization/77286
14843         * tree-vect-loop.c (vect_analyze_loop_form_1): Do not modify
14844         the CFG here.
14845         (vect_transform_loop): Split exit edges of loop and scalar
14846         loop if required and at the appropriate time.
14848 2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
14850         * explow.c (get_dynamic_stack_size): Take known alignment of stack
14851         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
14852         needed.
14853         Correct a typo in a comment.
14855 2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
14857         * config/s390/s390.md ("*andc_split"): New splitter for and with
14858         complement.
14860 2016-08-23  Richard Biener  <rguenther@suse.de>
14862         PR tree-optimization/27336
14863         * tree-vrp.c (infer_value_range): Handle stmts that can throw
14864         by looking for a non-EH edge.
14865         (process_assert_insertions_for): Likewise.
14867 2016-08-23  Richard Biener  <rguenther@suse.de>
14869         PR middle-end/77305
14870         * statistics.c (statistics_counter_event): Robustify against
14871         NULL current_pass.
14873 2016-08-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
14875         * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
14876         for targets amdfam10 and barcelona.
14878 2016-08-22  Uros Bizjak  <ubizjak@gmail.com>
14880         * config/i386/i386.md (*zero_extendsidi2): Add (*r,*k) alternative.
14881         (zero_extend<mode>di2): Ditto.
14882         (*zero_extend<mode>si2): Ditto.
14883         (*zero_extendqihi2): Ditto.
14885 2016-08-22  Joseph Myers  <joseph@codesourcery.com>
14887         PR middle-end/77269
14888         * builtins.c (fold_builtin_classify): Use builtin_decl_explicit
14889         (BUILT_IN_SIGNBIT) to expand __builtin_isinf_sign.
14891 2016-08-22  Patrick Palka  <ppalka@gcc.gnu.org>
14893         * print-tree.c (print_node) [VECTOR_CST]: Coalesce the output of
14894         identical consecutive elements.
14895         [SSA_NAME]: Print the name's def stmt on its own line.  When printing
14896         the node's def stmt, avoid printing an unwanted trailing newline by
14897         replacing the call to print_gimple_stmt() with its inlined body and
14898         adjusting it to not set pp_needs_newline and to call pp_flush()
14899         instead of pp_newline_and_flush().
14901 2016-08-22  Joseph Myers  <joseph@codesourcery.com>
14903         * tree.h (CASE_FLT_FN_FLOATN_NX, float16_type_node)
14904         (float32_type_node, float64_type_node, float32x_type_node)
14905         (float128x_type_node): New macros.
14906         * builtin-types.def (BT_FLOAT16, BT_FLOAT32, BT_FLOAT64)
14907         (BT_FLOAT128, BT_FLOAT32X, BT_FLOAT64X, BT_FLOAT128X)
14908         (BT_FN_FLOAT16, BT_FN_FLOAT32, BT_FN_FLOAT64, BT_FN_FLOAT128)
14909         (BT_FN_FLOAT32X, BT_FN_FLOAT64X, BT_FN_FLOAT128X)
14910         (BT_FN_FLOAT16_FLOAT16, BT_FN_FLOAT32_FLOAT32)
14911         (BT_FN_FLOAT64_FLOAT64, BT_FN_FLOAT128_FLOAT128)
14912         (BT_FN_FLOAT32X_FLOAT32X, BT_FN_FLOAT64X_FLOAT64X)
14913         (BT_FN_FLOAT128X_FLOAT128X, BT_FN_FLOAT16_CONST_STRING)
14914         (BT_FN_FLOAT32_CONST_STRING, BT_FN_FLOAT64_CONST_STRING)
14915         (BT_FN_FLOAT128_CONST_STRING, BT_FN_FLOAT32X_CONST_STRING)
14916         (BT_FN_FLOAT64X_CONST_STRING, BT_FN_FLOAT128X_CONST_STRING)
14917         (BT_FN_FLOAT16_FLOAT16_FLOAT16, BT_FN_FLOAT32_FLOAT32_FLOAT32)
14918         (BT_FN_FLOAT64_FLOAT64_FLOAT64, BT_FN_FLOAT128_FLOAT128_FLOAT128)
14919         (BT_FN_FLOAT32X_FLOAT32X_FLOAT32X)
14920         (BT_FN_FLOAT64X_FLOAT64X_FLOAT64X)
14921         (BT_FN_FLOAT128X_FLOAT128X_FLOAT128X): New type definitions.
14922         * builtins.def (DEF_GCC_FLOATN_NX_BUILTINS): New macro.
14923         (copysign, fabs, huge_val, inf, nan, nans): Use it.
14924         * builtins.c (expand_builtin): Use CASE_FLT_FN_FLOATN_NX for fabs
14925         and copysign.
14926         (fold_builtin_0): Use CASE_FLT_FN_FLOATN_NX for inf and huge_val.
14927         (fold_builtin_1): Use CASE_FLT_FN_FLOATN_NX for fabs.
14928         * doc/extend.texi (Other Builtins): Document these built-in
14929         functions.
14930         * fold-const-call.c (fold_const_call): Use CASE_FLT_FN_FLOATN_NX
14931         for nan and nans.
14933 2016-08-22  Gerald Pfeifer  <gerald@pfeifer.com>
14935         * doc/install.texi (Binaries): www.opencsw.org now uses https.
14937 2016-08-22  Richard Biener  <rguenther@suse.de>
14939         * tree-ssa-forwprop.c (pass_forwprop::execute): Use RPO order.
14941 2016-08-21  Uros Bizjak  <ubizjak@gmail.com>
14943         PR target/77270
14944         * config/i386/i386.md (prefetch): When TARGET_PRFCHW or
14945         TARGET_PREFETCHWT1 are disabled, emit 3dNOW! write prefetches for
14946         non-SSE2 athlons only, otherwise prefer SSE prefetches.
14948 2016-08-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14950         * tree-vrp.c (vrp_visit_assignment_or_call): Changed to Return VR.
14951         (vrp_visit_cond_stmt): Just sets TAKEN_EDGE_P.
14952         (vrp_visit_switch_stmt): Likewise.
14953         (extract_range_from_stmt): Factored out from vrp_visit_stmt.
14954         (extract_range_from_phi_node): Factored out from vrp_visit_phi_stmt.
14955         (vrp_visit_stmt): Use extract_range_from_stmt.
14956         (vrp_visit_phi_node): Use extract_range_from_phi_node.
14958 2016-08-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14960         * Makefile.in: Add tree-vrp.h to GTFILES.
14961         * gengtype.c (open_base_files): Add tree-vrp.h.
14962         * asan.c: Add tree-vrp.h which now has the definition value_range_type.
14963         * builtins.c: Likewise.
14964         * fold-const.c: Likewise.
14965         * gimple-builder.c: Likewise.
14966         * gimple-laddress.c: Likewise.
14967         * hsa-gen.c: Likewise.
14968         * internal-fn.c: Likewise.
14969         * ssa.h: Likewise.
14970         * targhooks.c: Liewise,
14971         * tree-ssa-address.c: Likewise.
14972         * tree-ssanames.h (value_range_type: Move to tree-vrp.h.
14973         * tree-vrp.c (struct value_range): Move to tree-vrp.h
14974         * tree-vrp.h: New file.
14976 2016-08-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14978         PR tree-optimization/61839
14979         * tree-vrp.c (two_valued_val_range_p): New.
14980         (simplify_stmt_using_ranges): Convert CST BINOP VAR where VAR is
14981         two-valued to VAR == VAL1 ? (CST BINOP VAL1) : (CST BINOP VAL2).
14982         Also Convert VAR BINOP CST where VAR is two-valued to
14983         VAR == VAL1 ? (VAL1 BINOP CST) : (VAL2 BINOP CST).
14985 2016-08-19  David Malcolm  <dmalcolm@redhat.com>
14987         * diagnostic-show-locus.c
14988         (layout::annotation_line_showed_range_p): New method.
14989         (layout::print_any_fixits): Remove case fixit_hint::REMOVE.
14990         Reimplement case fixit_hint::REPLACE to cover removals, and
14991         replacements where the range of the replacement isn't one
14992         of the ranges in the rich_location.
14993         (test_one_liner_fixit_replace): Likewise.
14994         (selftest::test_one_liner_fixit_replace_non_equal_range): New
14995         function.
14996         (selftest::test_one_liner_fixit_replace_equal_secondary_range):
14997         New function.
14998         (selftest::test_diagnostic_show_locus_one_liner): Call the new
14999         functions.
15000         * diagnostic.c (print_parseable_fixits): Remove case
15001         fixit_hint::REMOVE.
15003 2016-08-19  Uros Bizjak  <ubizjak@gmail.com>
15005         PR target/77270
15006         * config/i386/i386.c (ix86_option_override_internal): Remove
15007         PTA_PRFCHW from entries that also have PTA_3DNOW flag.
15008         Enable SSE prefetch also for TARGET_PREFETCHWT1.
15009         Do not try to enable TARGET_PRFCHW ISA flag here.
15010         * config/i386/i386.md (prefetch): Enable also for TARGET_3DNOW.
15011         Rewrite expander function body.
15012         (*prefetch_3dnow): Enable for TARGET_3DNOW and TARGET_PREFETCHWT1.
15014 2016-08-19  Joseph Myers  <joseph@codesourcery.com>
15016         PR c/32187
15017         * tree-core.h (TI_COMPLEX_FLOAT16_TYPE)
15018         (TI_COMPLEX_FLOATN_NX_TYPE_FIRST, TI_COMPLEX_FLOAT32_TYPE)
15019         (TI_COMPLEX_FLOAT64_TYPE, TI_COMPLEX_FLOAT128_TYPE)
15020         (TI_COMPLEX_FLOAT32X_TYPE, TI_COMPLEX_FLOAT64X_TYPE)
15021         (TI_COMPLEX_FLOAT128X_TYPE, TI_FLOAT16_TYPE, TI_FLOATN_TYPE_FIRST)
15022         (TI_FLOATN_NX_TYPE_FIRST, TI_FLOAT32_TYPE, TI_FLOAT64_TYPE)
15023         (TI_FLOAT128_TYPE, TI_FLOATN_TYPE_LAST, TI_FLOAT32X_TYPE)
15024         (TI_FLOATNX_TYPE_FIRST, TI_FLOAT64X_TYPE, TI_FLOAT128X_TYPE)
15025         (TI_FLOATNX_TYPE_LAST, TI_FLOATN_NX_TYPE_LAST): New enum
15026         tree_index values.
15027         (NUM_FLOATN_TYPES, NUM_FLOATNX_TYPES, NUM_FLOATN_NX_TYPES): New
15028         macros.
15029         (struct floatn_type_info): New structure type.
15030         (floatn_nx_types): New variable declaration.
15031         * tree.h (FLOATN_TYPE_NODE, FLOATN_NX_TYPE_NODE)
15032         (FLOATNX_TYPE_NODE, float128_type_node, float64x_type_node)
15033         (COMPLEX_FLOATN_NX_TYPE_NODE): New macros.
15034         * tree.c (floatn_nx_types): New variable.
15035         (build_common_tree_nodes): Initialize _FloatN, _FloatNx and
15036         corresponding complex types.
15037         * target.def (floatn_mode): New hook.
15038         * targhooks.c: Include "real.h".
15039         (default_floatn_mode): New function.
15040         * targhooks.h (default_floatn_mode): New prototype.
15041         * doc/extend.texi (Floating Types): Document _FloatN and _FloatNx
15042         types.
15043         * doc/sourcebuild.texi (float@var{n}, float@var{n}x): Document new
15044         effective-target and dg-add-options keywords.
15045         (float@var{n}_runtime, float@var{n}x_runtime, floatn_nx_runtime):
15046         Document new effective-target keywords.
15047         * doc/tm.texi.in (TARGET_FLOATN_MODE): New @hook.
15048         * doc/tm.texi: Regenerate.
15049         * ginclude/float.h (LDBL_DECIMAL_DIG): Define to
15050         __LDBL_DECIMAL_DIG__, not __DECIMAL_DIG__.
15051         [__STDC_WANT_IEC_60559_TYPES_EXT__]: Define macros from TS
15052         18661-3.
15053         * real.h (struct real_format): Add field ieee_bits.
15054         * real.c (ieee_single_format, mips_single_format)
15055         (motorola_single_format, spu_single_format, ieee_double_format)
15056         (mips_double_format, motorola_double_format)
15057         (ieee_extended_motorola_format, ieee_extended_intel_96_format)
15058         (ieee_extended_intel_128_format)
15059         (ieee_extended_intel_96_round_53_format, ibm_extended_format)
15060         (mips_extended_format, ieee_quad_format, mips_quad_format)
15061         (vax_f_format, vax_d_format, vax_g_format, decimal_single_format)
15062         (decimal_double_format, decimal_quad_format, ieee_half_format)
15063         (arm_half_format, real_internal_format: Initialize ieee_bits
15064         field.
15065         * config/i386/i386.c (ix86_init_builtin_types): Do not initialize
15066         float128_type_node.  Set float80_type_node to float64x_type_node
15067         if appropriate and long_double_type_node not appropriate.
15068         * config/ia64/ia64.c (ia64_init_builtins): Likewise.
15069         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format):
15070         Initialize ieee_bits field.
15071         * config/rs6000/rs6000.c (TARGET_FLOATN_MODE): New macro.
15072         (rs6000_init_builtins): Set ieee128_float_type_node to
15073         float128_type_node.
15074         (rs6000_floatn_mode): New function.
15076 2016-08-19  Jakub Jelinek  <jakub@redhat.com>
15078         * config/i386/rdseedintrin.h (_rdseed16_step, _rdseed32_step,
15079         _rdseed64_step): Uglify argument names and/or local variable names
15080         in inline functions.
15081         * config/i386/rtmintrin.h (_xabort): Likewise.
15082         * config/i386/avx512vlintrin.h (_mm256_ternarylogic_epi64,
15083         _mm256_mask_ternarylogic_epi64, _mm256_maskz_ternarylogic_epi64,
15084         _mm256_ternarylogic_epi32, _mm256_mask_ternarylogic_epi32,
15085         _mm256_maskz_ternarylogic_epi32, _mm_ternarylogic_epi64,
15086         _mm_mask_ternarylogic_epi64, _mm_maskz_ternarylogic_epi64,
15087         _mm_ternarylogic_epi32, _mm_mask_ternarylogic_epi32,
15088         _mm_maskz_ternarylogic_epi32): Likewise.
15089         * config/i386/lwpintrin.h (__llwpcb, __lwpval32, __lwpval64,
15090         __lwpins32, __lwpins64): Likewise.
15091         * config/i386/avx2intrin.h (_mm_i32gather_pd, _mm_mask_i32gather_pd,
15092         _mm256_i32gather_pd, _mm256_mask_i32gather_pd, _mm_i64gather_pd,
15093         _mm_mask_i64gather_pd, _mm256_i64gather_pd, _mm256_mask_i64gather_pd,
15094         _mm_i32gather_ps, _mm_mask_i32gather_ps, _mm256_i32gather_ps,
15095         _mm256_mask_i32gather_ps, _mm_i64gather_ps, _mm_mask_i64gather_ps,
15096         _mm256_i64gather_ps, _mm256_mask_i64gather_ps, _mm_i32gather_epi64,
15097         _mm_mask_i32gather_epi64, _mm256_i32gather_epi64,
15098         _mm256_mask_i32gather_epi64, _mm_i64gather_epi64,
15099         _mm_mask_i64gather_epi64, _mm256_i64gather_epi64,
15100         _mm256_mask_i64gather_epi64, _mm_i32gather_epi32,
15101         _mm_mask_i32gather_epi32, _mm256_i32gather_epi32,
15102         _mm256_mask_i32gather_epi32, _mm_i64gather_epi32,
15103         _mm_mask_i64gather_epi32, _mm256_i64gather_epi32,
15104         _mm256_mask_i64gather_epi32): Likewise.
15105         * config/i386/pmm_malloc.h (_mm_malloc, _mm_free): Likewise.
15106         * config/i386/ia32intrin.h (__writeeflags): Likewise.
15107         * config/i386/pkuintrin.h (_wrpkru): Likewise.
15108         * config/i386/avx512pfintrin.h (_mm512_mask_prefetch_i32gather_pd,
15109         _mm512_mask_prefetch_i32gather_ps, _mm512_mask_prefetch_i64gather_pd,
15110         _mm512_mask_prefetch_i64gather_ps, _mm512_prefetch_i32scatter_pd,
15111         _mm512_prefetch_i32scatter_ps, _mm512_mask_prefetch_i32scatter_pd,
15112         _mm512_mask_prefetch_i32scatter_ps, _mm512_prefetch_i64scatter_pd,
15113         _mm512_prefetch_i64scatter_ps, _mm512_mask_prefetch_i64scatter_pd,
15114         _mm512_mask_prefetch_i64scatter_ps): Likewise.
15115         * config/i386/gmm_malloc.h (_mm_malloc, _mm_free): Likewise.
15116         * config/i386/avx512fintrin.h (_mm512_ternarylogic_epi64,
15117         _mm512_mask_ternarylogic_epi64, _mm512_maskz_ternarylogic_epi64,
15118         _mm512_ternarylogic_epi32, _mm512_mask_ternarylogic_epi32,
15119         _mm512_maskz_ternarylogic_epi32, _mm512_i32gather_ps,
15120         _mm512_mask_i32gather_ps, _mm512_i32gather_pd, _mm512_i64gather_ps,
15121         _mm512_i64gather_pd, _mm512_i32gather_epi32, _mm512_i32gather_epi64,
15122         _mm512_i64gather_epi32, _mm512_i64gather_epi64): Likewise.
15124         * config/i386/fxsrintrin.h (_fxsave): Remove return keyword in inlines
15125         returning void.
15126         (_fxrstor, _fxsave64, _fxrstor64): Likewise.
15127         * config/i386/xsaveintrin.h (_xsave, _xrstor, _xsave64, _xrstor64):
15128         Likewise.
15129         * config/i386/xsaveoptintrin.h (_xsaveopt, _xsaveopt64): Likewise.
15130         * config/i386/pkuintrin.h (_wrpkru): Likewise.  Add space after
15131         function name.
15132         (_rdpkru_u32): Add space after function name.
15134         * config/i386/t-i386 (i386-c.o): Don't depend on
15135         i386-builtin-types.inc.
15136         (i386.o): Depend on i386-builtin-types.inc.
15138 2016-08-19  Matthew Wahab  <matthew.wahab@arm.com>
15140         PR target/77281
15141         * config/arm/arm.c (neon_valid_immediate): Delete declaration.
15142         Use const_vec_duplicate to check for duplicated elements.
15144 2016-08-19  Richard Biener  <rguenther@suse.de>
15146         PR tree-optimization/77290
15147         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15148         Fix flag_tree_parallelize_loops check.
15150 2016-08-19  Richard Biener  <rguenther@suse.de>
15152         * match.pd (x | 0 -> x): Add.
15154 2016-08-19  Richard Biener  <rguenther@suse.de>
15156         PR tree-optimization/77286
15157         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
15158         Deal with virtual PHIs being out-of-order.
15160 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
15162         * doc/invoke.texi (fverbose-asm): Note that source code lines
15163         are emitted, and provide an example.
15164         * final.c (asm_show_source): New function.
15165         (final_scan_insn): Call asm_show_source.
15167 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
15169         * diagnostic-show-locus.c (colorizer::colorizer): Replace diagnostic
15170         param with diagnostic_kind.
15171         (class colorizer): Similarly replace field m_diagnostic with
15172         m_diagnostic_kind.
15173         (colorizer::colorizer): Replace diagnostic
15174         param with diagnostic_kind.
15175         (colorizer::begin_state): Update for above field change.
15176         (layout::layout): Replace diagnostic param with rich_location *
15177         and diagnostic_kind.
15178         (diagnostic_show_locus): Replace diagnostic param with richloc
15179         and diagnostic_kind.
15180         (class selftest::test_diagnostic_context): New class.
15181         (selftest::test_diagnostic_show_locus_unknown_location): New
15182         function.
15183         (selftest::test_one_liner_simple_caret): New function.
15184         (selftest::test_one_liner_caret_and_range): New function.
15185         (selftest::test_one_liner_multiple_carets_and_ranges): New
15186         function.
15187         (selftest::test_one_liner_fixit_remove): New function.
15188         (selftest::test_one_liner_fixit_replace): New function.
15189         (selftest::test_diagnostic_show_locus_one_liner): New function.
15190         (selftest::diagnostic_show_locus_c_tests): Call the new test
15191         functions.
15192         * diagnostic.c (diagnostic_initialize): Initialize
15193         colorize_source_p, show_ruler_p and parseable_fixits_p.
15194         (default_diagnostic_finalizer): Update for change to
15195         diagnostic_show_locus.
15196         (diagnostic_append_note): Likewise.
15197         * diagnostic.h (diagnostic_show_locus): Replace
15198         const diagnostic_info * param with location * and diagnostic_t.
15200 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
15202         * input.c (saved_line_table): New global.
15203         (class selftest::temp_line_table): Rename to line_table_test and
15204         move declaration to selftest.h, and drop field m_old_line_table.
15205         (selftest::temp_line_table::temp_line_table): Rename ctor to...
15206         (selftest::line_table_test::line_table_test): ...this.  Add a
15207         default ctor.  Store current value of line_table within
15208         saved_line_table.
15209         (selftest::temp_line_table::~temp_line_table): Rename dtor to...
15210         (selftest::line_table_test::~line_table_test): ...this, and
15211         restore line_table from the saved_line_table, rather than
15212         m_old_line_table.
15213         (selftest::test_accessing_ordinary_linemaps): Update for above
15214         renaming.
15215         (selftest::test_lexer): Likewise.
15216         (struct selftest::lexer_test): Likewise.
15217         (selftest::lexer_test::lexer_test): Likewise.
15218         (selftest::input_c_tests): Move the looping over test cases from
15219         here into...
15220         (selftest::for_each_line_table_case): New function.
15221         * input.h (saved_line_table): New decl.
15222         * selftest.h (struct selftest::line_table_case): New forward decl.
15223         (class selftest::line_table_test): New class, moved here from
15224         selftest::temp_line_table in input.c, and renamed.
15225         (selftest::for_each_line_table_case): New decl.
15227 2015-08-18  H.J. Lu  <hongjiu.lu@intel.com>
15229         PR target/72839
15230         * config/i386/i386.c (lakemont_cost): Set MOVE_RATIO to 17.
15232 2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>
15234         PR middle-end/70895
15235         * gimplify.c (omp_add_variable): Adjust/add variable mapping on
15236         enclosing parallel construct for reduction variables on OpenACC loop
15237         directives.
15239 2016-08-18  Pierre-Marie de Rodat  <derodat@adacore.com>
15241         * dwarf2out.c (copy_dwarf_procedure): Remove obsolete comment.
15242         (new_dwarf_proc_die): Emit DW_TAG_dwarf_procedure DIEs even for
15243         -gdwarf-3.
15244         (function_to_dwarf_procedure): Update comment.
15246 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
15248         * input.c (diagnostics_file_cache_forcibly_evict_file): New
15249         function.
15250         * input.h (diagnostics_file_cache_forcibly_evict_file): New
15251         declaration.
15252         * selftest.c (selftest::temp_source_file::~temp_source_file):
15253         Evict m_filename from the diagnostic file cache.
15255 2016-08-18  Richard Biener  <rguenther@suse.de>
15257         * tree-pass.h (make_pass_materialize_all_clones): Declare.
15258         * ipa.c (pass_data_materialize_all_clones, pass_materialize_all_clones,
15259         make_pass_materialize_all_clones): New simple IPA pass encapsulating
15260         clone materialization.
15261         * passes.def (all_late_ipa_passes): Start with
15262         pass_materialize_all_clones.
15263         * cgraphunit.c (symbol_table::compile): Remove call to
15264         materialize_all_clones.
15265         * tree-into-ssa.c: Include statistics.h.
15266         (update_ssa): Count number of times we do incremental/rewrite
15267         SSA update.
15269 2016-08-18  Richard Biener  <rguenther@suse.de>
15271         PR tree-optimization/77282
15272         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15273         When doing auto-parallelizing also prevent use of PHIs that
15274         carry dependences across loop backedges.
15276 2016-08-18  Tamar Christina  <tamar.christina@arm.com>
15277             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15279         * varasm.c (default_use_anchors_for_symbol_p): Reject too large decls.
15281 2016-08-18  Richard Biener  <rguenther@suse.de>
15283         * ssa-iterators.h (ssa_vuse_operand): New inline.
15284         * tree-if-conv.c (ifc_temp_var): Update virtual operand.
15285         (predicate_all_scalar_phis): Use remove_phi_node to remove
15286         phi nodes predicated.  Delay removing virtual PHIs.
15287         (predicate_mem_writes): Update virtual operands.
15288         (combine_blocks): Likewise.  Propagate out remaining virtual PHIs.
15289         (tree_if_conversion): Do not rewrite virtual SSA form.
15290         * tree-phinodes.c (release_phi_node): Make static.
15291         * tree-phinodes.h (release_phi_node): Remove.
15293 2016-08-18  Jakub Jelinek  <jakub@redhat.com>
15295         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_*
15296         codes that appear in bdesc_* arrays, instead include i386-builtin.def
15297         twice to define those.
15298         (bdesc_comi, bdesc_pcmpestr, bdesc_pcmpistr, bdesc_special_args,
15299         bdesc_args, bdesc_round_args, bdesc_mpx, bdesc_mpx_const,
15300         bdesc_multi_arg): Define by including i386-builtin.def the third time.
15301         * config/i386/i386-builtin.def: New file.
15303 2016-08-17  David Malcolm  <dmalcolm@redhat.com>
15305         * input.c (get_source_range_for_char): Rename to...
15306         (selftest::get_source_range_for_char): ...this, and move within
15307         the #if CHECKING_P guard.
15308         (get_num_source_ranges_for_substring): Rename to...
15309         (selftest::get_num_source_ranges_for_substring): ...this, move
15310         within the #if CHECKING_P guard, and make static.
15311         (selftest::assert_num_substring_ranges): Initialize
15312         actual_num_ranges.
15314 2016-08-18  Alan Modra  <amodra@gmail.com>
15316         PR rtl-optimization/72771
15317         * reload.c (find_reloads): Don't assume that a subreg mem is OK
15318         when find_reloads_toplev returns address_reloaded==-1.
15319         (alternative_allows_const_pool_ref): Update comment.
15321 2015-08-17  Alan Hayward  <alan.hayward@arm.com>
15323         PR tree-optimization/71752
15324         * tree-vect-loop.c (vectorizable_reduction): Keep SLP operand ordering.
15325         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
15327 2016-08-17  Jakub Jelinek  <jakub@redhat.com>
15329         * gimple-fold.c (gimple_fold_call): Use gimple_call_noreturn_p
15330         instead of testing ECF_NORETURN bit in gimple_call_flags.
15331         * tree-cfg.c (make_edges_bb, execute_fixup_cfg): Likewise.
15332         * predict.c (tree_bb_level_predictions): Likewise.
15333         * gimple-low.c (gimple_stmt_may_fallthru): Likewise.
15335         PR middle-end/77259
15336         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): If
15337         turning a call into __builtin_unreachable-like noreturn call, adjust
15338         gimple_call_set_fntype.
15339         * tree-cfgcleanup.c (fixup_noreturn_call): Remove lhs also if
15340         gimple_call_fntype has void return type.
15342 2016-08-17  Chung-Lin Tang  <cltang@codesourcery.com>
15344         * omp-low.c (lower_oacc_reductions): Adjust variable lookup to use
15345         maybe_lookup_decl, to handle nested acc loop directives.
15347 2016-08-17  Richard Biener  <rguenther@suse.de>
15349         PR tree-optimization/76490
15350         * tree-vrp.c (update_value_range): Preserve overflow infinities
15351         when intersecting with ranges from get_range_info.
15352         (operand_less_p): Handle overflow infinities correctly.
15353         (value_range_constant_singleton): Use vrp_operand_equal_p
15354         to handle overflow max/min correctly.
15355         (vrp_valueize): Likewise.
15356         (union_ranges): Likewise.
15357         (intersect_ranges): Likewise.
15358         (vrp_visit_phi_node): Improve iteration limitation to only
15359         apply when we'll possibly re-visit the PHI via a changed argument
15360         on the backedge.
15362 2016-08-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15364         * config/arm/t-aprofile (MULTILIB_EXCEPTIONS): Rewrite into ...
15365         (MULTILIB_REQUIRED): This by specifying multilib needing to be built
15366         rather than those that should not be built.
15368 2016-08-17  Stanislaw Halik  <sthalik@misaki.pl>
15370         PR target/66488
15371         * config/i386/xm-mingw32.h (HOST_BITS_PER_PTR): Define if __x86_64__.
15373 2016-08-17  Richard Biener  <rguenther@suse.de>
15375         * tree-ssa.c: Include tree-cfg.h and tree-dfa.h.
15376         (verify_vssa): New function verifying virtual SSA form.
15377         (verify_ssa): Call it.
15378         * tree-ssa-loop-manip.c (slpeel_update_phi_nodes_for_guard2):
15379         Do not apply loop-closed SSA handling to virtuals.
15380         * ssa-iterators.h (op_iter_init): Handle GIMPLE_TRANSACTION.
15381         * tree-into-ssa.c (prepare_use_sites_for): Skip virtual SSA names
15382         when rewriting their symbol.
15383         (prepare_def_site_for): Likewise.
15384         * tree-chkp-opt.c (chkp_reduce_bounds_lifetime): Clear virtual
15385         operands of moved stmts.
15387 2016-08-17  Richard Biener  <rguenther@suse.de>
15389         PR tree-optimization/23855
15390         * tree-ssa-loop-unswitch.c: Include tree-ssa-loop-manip.h.
15391         (tree_unswitch_outer_loop): Iterate find_loop_guard as long as we
15392         find guards to hoist.  Do not update SSA form but rewrite virtuals
15393         into loop closed SSA.
15394         (find_loop_guard): Adjust to skip already hoisted guards.  Do
15395         not mark virtuals for renaming or update SSA form.
15397 2016-08-17  Martin Liska  <mliska@suse.cz>
15399         * coverage.c (get_gcov_type): Replace GCOV_TYPE_SIZE with
15400         a LONG_LONG_TYPE_SIZE comparison.
15401         * gcov-io.h: Remove macro definitions.
15402         * tree-profile.c (gimple_gen_edge_profiler): Replace usage
15403         of GCOV_TYPE_ATOMIC_FETCH_ADD with a LONG_LONG_TYPE_SIZE
15404         comparison.
15406 2016-08-16  Jakub Jelinek  <jakub@redhat.com>
15408         * config/i386/i386.c (enum ix86_builtins): Reorder enumerators, so
15409         that builtins not mentioned in bdesc_* arrays come first, then
15410         the ones mentioned in bdesc_* arrays in the order they appear in
15411         the arrays in between IX86_BUILTIN__BDESC_*_FIRST and
15412         IX86_BUILTIN__BDESC_*_LAST enumerator.
15413         (bdesc_mpx): Fix up a comment typo.
15414         (bdesc_multi_arg): Remove __builtin_ia32_vpcomne[bwdq] and
15415         __builtin_ia32_vpcomneu[bwdq] builtins.
15416         (BDESC_VERIFY, BDESC_VERIFYS): Define.
15417         (ix86_init_mmx_sse_builtins, ix86_init_mpx_builtins): Verify
15418         enum ix86_builtins ordering.
15419         (ix86_expand_builtin): Use enum ix86_builtins ordering assumption
15420         for direct bdesc_* array member access instead of searching all the
15421         arrays until an fcode match is found.
15423 2016-08-16  Uros Bizjak  <ubizjak@gmail.com>
15425         * config/i386/i386.md (*ashl<mode>3_mask): Rewrite define_insn
15426         pattern as define_insn_and_split.  Split insn before reload to
15427         ashl<mode>3_1.
15428         (*<shift_insn><mode>3_mask): Ditto.  Split insn before reload to
15429         <shift_insn><mode>3_1.
15430         (*<rotate_insn><mode>3_mask): Ditto.  Split insn before reload to
15431         <rotate_insn><mode>3_1.
15433 2016-08-16  David Malcolm  <dmalcolm@redhat.com>
15435         PR c/72857
15436         * input.c (get_source_range_for_substring): Rename to...
15437         (get_source_location_for_substring): ...this, adding param
15438         "caret_idx", and converting output param from source_range * to
15439         location_t *.
15440         (get_source_range_for_char): New function.
15441         (get_num_source_ranges_for_substring): Update comment to reflect
15442         above renaming.
15443         (assert_char_at_range): Update to use get_source_range_for_char
15444         rather than get_source_range_for_substring.
15445         (test_lexer_string_locations_concatenation_2): Likewise.
15446         * substring-locations.h (get_source_range_for_substring): Rename
15447         to...
15448         (get_source_location_for_substring): ...this, and adding param
15449         "caret_idx", and converting output param from source_range * to
15450         location_t *.
15452 2016-08-16  David Malcolm  <dmalcolm@redhat.com>
15454         * input.c (class selftest::temp_source_file): Move to
15455         selftest.h.
15456         (selftest::temp_source_file::temp_source_file): Move to
15457         selftest.c.
15458         (selftest::temp_source_file::~temp_source_file): Likewise.
15459         * selftest.c (selftest::temp_source_file::temp_source_file): Move
15460         here from input.c.
15461         (selftest::temp_source_file::~temp_source_file): Likewise.
15462         * selftest.h (class selftest::temp_source_file): Move here from
15463         input.c
15465 2016-08-16  Jakub Jelinek  <jakub@redhat.com>
15467         PR target/71910
15468         * tree-cfg.c (execute_fixup_cfg): Add node variable, use it.  Before
15469         inlining, add cgraph edge for the added __builtin_unreachable call.
15471         PR middle-end/67485
15472         * expmed.c (expand_mult_const): Change val_so_far's type to UHWI,
15473         only cast it to SHWI for the final comparison.
15475 2016-08-16  Martin Liska  <mliska@suse.cz>
15477         PR gcov-profile/36412
15478         * doc/gcov.texi: Document --hash-filenames(-x).
15479         * gcov.c (print_usage): Add the option.
15480         (process_args): Process the option, sort options alphabetically.
15481         (md5sum_to_hex): New function.
15482         (make_gcov_file_name): Do the md5sum and append it to a
15483         filename.
15485 2016-08-16  Bin Cheng  <bin.cheng@arm.com>
15487         PR tree-optimization/69848
15488         * config/aarch64/aarch64-simd.md (vcond<mode><mode>): Invert NE
15489         and swtich operands to avoid additional NOT instruction.
15490         (vcond<v_cmp_mixed><mode>): Ditto.
15491         (vcondu<mode><mode>, vcondu<mode><v_cmp_mixed>): Ditto.
15493 2016-08-16  Eric Botcazou  <ebotcazou@adacore.com>
15495         * doc/install.texi (*-*-solaris2*): Adjust latest change.
15497 2016-08-16  Richard Biener  <rguenther@suse.de>
15499         PR tree-optimization/76783
15500         * tree-ssa-propagate.c (ssa_prop_init): Use RPO order.  Clear
15501         BB visited flags at start.
15503 2016-08-16  Bin Cheng  <bin.cheng@arm.com>
15505         PR tree-optimization/72817
15506         PR tree-optimization/73450
15507         * tree-ssa-loop-niter.c (number_of_iterations_ne): Check
15508         multiple_of_p for adjusted IV.base.
15510 2016-08-15  Uros Bizjak  <ubizjak@gmail.com>
15512         PR target/72867
15513         * config/i386/sse.md (<code><mode>3<mask_name><round_saeonly_name>):
15514         Emit ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>
15515         for !flag_finite_math_only or flag_signed_zeros.
15516         (*<code><mode>3<mask_name><round_saeonly_name>): Rename from
15517         *<code><mode>3_finite<mask_name><round_saeonly_name>.  Do not
15518         depend on flag_finite_math_only.
15519         (ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
15520         New insn pattern.
15521         (*<code><mode>3<mask_name><round_saeonly_name>): Remove.
15522         (*ieee_smin<mode>3): Ditto.
15523         (*ieee_smax<mode>3): Ditto.
15524         * config/i386/mmx.md (mmx_<code>v2sf3): Emit
15525         mmx_ieee_<ieee_maxmin>v2sf3 for !flag_finite_math_only or
15526         flag_signed_zeros.
15527         (*mmx_<code>v2sf3): Rename from *mmx_<code>v2sf3_finite.  Do not
15528         depend on flag_finite_math_only.
15529         (mmx_ieee_<ieee_maxmin>v2sf3): New insn pattern.
15530         (*mmx_<code>v2sf3): Remove.
15531         * config/i386/subst.md (round_saeonly_mask_arg3): New subst attribute.
15532         * config/i386/i386.c (ix86_expand_sse_fp_mimnax): Check
15533         flag_signed_zeros instead of !flag_unsafe_math_optimizations.
15535 2016-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
15537         PR rtl-optimization/73650
15538         * lra-constraints.c (simple_move_p): If the insn is multiple_sets
15539         it is not a simple move.
15541 2016-08-15  Martin Liska  <mliska@suse.cz>
15543         PR driver/72765
15544         * gcc.c (do_spec_1): Call save_string with the right size.
15545         (save_string): Do an assert about string we copy.
15547 2016-08-15  Richard Biener  <rguenther@suse.de>
15549         * ree.c (rest_of_handle_ree): Remove redundant timevar push/pop.
15550         * config/i386/i386.c (pass_data_insert_vzeroupper): Account to
15551         TV_MACH_DEP.
15552         (pass_data_stv): Likewise.
15554 2016-08-15  Richard Biener  <rguenther@suse.de>
15556         PR tree-optimization/73434
15557         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Preserve
15558         TBAA info on the base when forwarding a non-invariant address.
15560 2016-08-15  Jakub Jelinek  <jakub@redhat.com>
15562         * dwarf2out.c (struct checksum_attributes): Add
15563         at_string_length_bit_size and at_string_length_byte_size fields.
15564         (collect_checksum_attributes): Handle DW_AT_string_length_bit_size
15565         and DW_AT_string_length_byte_size.
15566         (die_checksum_ordered): Handle at_string_length_bit_size and
15567         at_string_length_byte_size.
15568         (gen_array_type_die): For dwarf_version >= 5 emit
15569         DW_AT_string_length_byte_size instead of DW_AT_byte_size.
15570         (adjust_string_types): For dwarf_version >= 5 remove
15571         DW_AT_string_length_byte_size instead of DW_AT_byte_size.
15572         (resolve_addr): Likewise.
15574         PR debug/71906
15575         * dwarf2out.c (string_types): New variable.
15576         (gen_array_type_die): Change early_dwarf handling of
15577         DW_AT_string_length, create DW_OP_call4 referencing the
15578         length var temporarily.  Handle parameters that are pointers
15579         to string length.
15580         (adjust_string_types): New function.
15581         (gen_subprogram_die): Temporarily set string_types to local var,
15582         call adjust_string_types if needed.
15583         (non_dwarf_expression, copy_deref_exprloc, optimize_string_length):
15584         New functions.
15585         (resolve_addr): Adjust DW_AT_string_length if it is DW_OP_call4.
15587 2016-08-15  Eric Botcazou  <ebotcazou@adacore.com>
15589         * doc/install.texi (*-*-solaris2*): Fix version number and document
15590         requirement on GNU make for building libjava with the Solaris linker.
15592 2016-08-15  Martin Liska  <mliska@suse.cz>
15593             Jakub Jelinek  <jakub@redhat.com>
15595         PR tree-optimization/72824
15596         * tree-loop-distribution.c (const_with_all_bytes_same)
15597         <case VECTOR_CST>: Fix a typo.
15599 2016-08-14  Uros Bizjak  <ubizjak@gmail.com>
15601         PR target/76342
15602         * config/i386/avx512fintrin.h (_mm512_undefined_epi32):
15603         Renamed from _mm512_undefined_si512.
15604         (_mm_undefined_si512): New definition.
15606 2016-08-13  Richard Biener  <rguenther@suse.de>
15608         * tree-ssa-forwprop.c (pass_forwprop::execute): Propagate
15609         into PHIs and update the lattice for its def.
15611 2016-08-12  Jakub Jelinek  <jakub@redhat.com>
15613         PR c/71512
15614         * ubsan.c (instrument_si_overflow): Pass true instead of false
15615         to gsi_replace.
15616         (pass_ubsan::execute): Call gimple_purge_dead_eh_edges at the end
15617         of bbs.  Return TODO_cleanup_cfg if any returned true.
15619 2016-08-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
15621         * config/rs6000/vsx.md (vsx_concat_<mode>): Add support for the
15622         ISA 3.0 MTVSRDD instruction.
15623         (vsx_splat_<mode>): Change cpu type of MTVSRDD instruction to
15624         vecperm.
15626 2016-08-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15628         PR tree-optimization/71083
15629         * tree-predcom.c (ref_at_iteration): Use a COMPONENT_REF for the
15630         bitfield access when possible.
15632 2016-08-12  Patrick Palka  <ppalka@gcc.gnu.org>
15634         PR middle-end/71654
15635         * match.pd ((T)A CMP (T)B -> A CMP B): Allow (T)A to be a
15636         sign-changing cast from a shorter unsigned type to a wider
15637         signed type.
15639 2016-08-12  Jakub Jelinek  <jakub@redhat.com>
15641         * config/i386/sse.md (avx512dq_vextract<shuffletype>64x2_1_maskm,
15642         vec_extract_hi_<mode>_mask, vec_extract_lo_<mode>_mask,
15643         vec_extract_hi_<mode>_mask): Use Yk constraint instead of k.
15645 2016-08-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15647         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
15648         Correct costs for vec_construct.
15650 2016-08-12  Bin Cheng  <bin.cheng@arm.com>
15652         PR tree-optimization/69848
15653         * tree-vectorizer.h (enum vect_def_type): New condition reduction
15654         type CONST_COND_REDUCTION.
15655         * tree-vect-loop.c (vectorizable_reduction): Support new condition
15656         reudction type CONST_COND_REDUCTION.
15658 2016-08-12  Richard Biener  <rguenther@suse.de>
15660         PR tree-optimization/57326
15661         * tree-ssa-pre.c (fully_constant_expression): Handle simplification
15662         returning an SSA name.
15663         (phi_translate_1): When fully_constant_expression returns a NAME
15664         make sure we have a leader for it.
15666 2016-08-12  Martin Liska  <mliska@suse.cz>
15667             Adam Fineman  <afineman@afineman.com>
15669         * gcov.c (process_file): Create .gcov file when .gcda
15670         file is missing.
15672 2016-08-12  Marek Polacek  <polacek@redhat.com>
15674         PR c/7652
15675         * alias.c (find_base_value): Adjust fall through comment.
15676         * cfgexpand.c (expand_debug_expr): Likewise.
15677         * combine.c (find_split_point): Likewise.
15678         (expand_compound_operation): Likewise.  Add FALLTHRU.
15679         (make_compound_operation): Adjust fall through comment.
15680         (canon_reg_for_combine): Add FALLTHRU.
15681         (force_to_mode): Adjust fall through comment.
15682         (simplify_shift_const_1): Likewise.
15683         (simplify_comparison): Likewise.
15684         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Add
15685         FALLTHRU.
15686         * config/aarch64/predicates.md: Likewise.
15687         * config/i386/i386.c (function_arg_advance_32): Likewise.
15688         (ix86_gimplify_va_arg): Likewise.
15689         (print_reg): Likewise.
15690         (ix86_print_operand): Likewise.
15691         (ix86_build_const_vector): Likewise.
15692         (ix86_expand_branch): Likewise.
15693         (ix86_sched_init_global): Adjust fall through comment.
15694         (ix86_expand_args_builtin): Add FALLTHRU.
15695         (ix86_expand_builtin): Likewise.
15696         (ix86_expand_vector_init_one_var): Likewise.
15697         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
15698         (rs6000_adjust_cost): Likewise.
15699         (insn_must_be_first_in_group): Likewise.
15700         * config/rs6000/rs6000.md: Likewise.  Adjust fall through comment.
15701         * dbxout.c (dbxout_symbol): Adjust fall through comment.
15702         * df-scan.c (df_uses_record): Likewise.
15703         * dojump.c (do_jump): Add FALLTHRU.
15704         * dwarf2out.c (mem_loc_descriptor): Likewise.  Adjust fall through
15705         comment.
15706         (resolve_args_picking_1): Adjust fall through comment.
15707         (loc_list_from_tree_1): Likewise.
15708         * expmed.c (make_tree): Likewise.
15709         * expr.c (expand_expr_real_2): Add FALLTHRU.
15710         (expand_expr_real_1): Likewise.  Adjust fall through comment.
15711         * fold-const.c (const_binop): Adjust fall through comment.
15712         (fold_truth_not_expr): Likewise.
15713         (fold_cond_expr_with_comparison): Add FALLTHRU.
15714         (fold_binary_loc): Likewise.
15715         (contains_label_1): Adjust fall through comment.
15716         (multiple_of_p): Likewise.
15717         * gcov-tool.c (process_args): Add FALLTHRU.
15718         * genattrtab.c (check_attr_test): Likewise.
15719         (write_test_expr): Likewise.
15720         * genconfig.c (walk_insn_part): Likewise.
15721         * genpreds.c (validate_exp): Adjust fall through comment.
15722         (needs_variable): Likewise.
15723         * gensupport.c (get_alternatives_number): Add FALLTHRU.
15724         (subst_dup): Likewise.
15725         * gimple-pretty-print.c (dump_gimple_assign): Likewise.
15726         * gimplify.c (gimplify_addr_expr): Adjust fall through comment.
15727         (gimplify_scan_omp_clauses): Add FALLTHRU.
15728         (goa_stabilize_expr): Likewise.
15729         * graphite-isl-ast-to-gimple.c (substitute_ssa_name): Adjust fall
15730         through comment.
15731         * hsa-gen.c (get_address_from_value): Likewise.
15732         * ipa-icf.c (sem_function::hash_stmt): Likewise.
15733         * ira.c (ira_setup_alts): Add FALLTHRU.
15734         * lra-eliminations.c (lra_eliminate_regs_1): Adjust fall through
15735         comment.
15736         * lto-streamer-out.c (lto_output_tree_ref): Add FALLTHRU.
15737         * opts.c (common_handle_option): Likewise.
15738         * read-rtl.c (read_rtx_code): Likewise.
15739         * real.c (round_for_format): Likewise.
15740         * recog.c (asm_operand_ok): Likewise.
15741         * reginfo.c (reg_scan_mark_refs): Adjust fall through comment.
15742         * reload1.c (set_label_offsets): Likewise.
15743         (eliminate_regs_1): Likewise.
15744         (reload_reg_reaches_end_p): Likewise.
15745         * rtlanal.c (commutative_operand_precedence): Add FALLTHRU.
15746         (rtx_cost): Likewise.
15747         * sched-rgn.c (is_exception_free): Likewise.
15748         * simplify-rtx.c (simplify_rtx): Adjust fall through comment.
15749         * stor-layout.c (int_mode_for_mode): Likewise.
15750         * toplev.c (print_to_asm_out_file): Likewise.
15751         (print_to_stderr): Likewise.
15752         * tree-cfg.c (gimple_verify_flow_info): Likewise.
15753         * tree-chrec.c (chrec_fold_plus_1): Add FALLTHRU.
15754         (chrec_fold_multiply): Likewise.
15755         (evolution_function_is_invariant_rec_p): Likewise.
15756         (for_each_scev_op): Likewise.
15757         * tree-data-ref.c (siv_subscript_p): Likewise.
15758         (get_references_in_stmt): Likewise.
15759         * tree.c (find_placeholder_in_expr): Adjust fall through comment.
15760         (substitute_in_expr): Likewise.
15761         (type_cache_hasher::equal): Likewise.
15762         (walk_type_fields): Likewise.
15763         * var-tracking.c (adjust_mems): Add FALLTHRU.
15764         (set_dv_changed): Adjust fall through comment.
15765         * varasm.c (default_function_section): Add FALLTHRU.
15767 2016-08-12  Marek Polacek  <polacek@redhat.com>
15769         PR c/7652
15770         * tree-complex.c (expand_complex_division): Add missing break.
15772 2016-08-12  Richard Biener  <rguenther@suse.de>
15774         * passes.c (execute_todo): Do not push/pop TV_TODO.
15775         (execute_one_ipa_transform_pass): Move timevar push/pop TODO execution.
15776         (execute_one_pass): Likewise.
15777         * common.opt (ftime-report-details): New switch.
15778         * doc/invoke.texi (ftime-report-details): Document.
15779         * timevar.h (timer::print_row): Adjust signature.
15780         (timer::all_zero): New static helper.
15781         (timer::child_map_t): New typedef.
15782         (timer::time_var_def): Add children field.
15783         * timevar.c (timer::named_items::print): Adjust.
15784         (timer::~timer): Free timevar recorded children.
15785         (timer::pop_internal): When -ftime-report-details record
15786         time spent in sub-timevars.
15787         (timer::print_row): Adjust.
15788         (timer::print): Print sub-timevar stats, use all_zero.
15789         * timevar.def (TV_TODO): Remove.
15791 2016-08-12  Richard Biener  <rguenther@suse.de>
15793         PR tree-optimization/72851
15794         * tree-ssa-propagate.c: Include cfganal.h.  Rewrite block and stmt
15795         worklists to use bitmaps indexed in execution order.
15796         (executable_blocks, cfg_blocks_num, cfg_blocks_tail, cfg_blocks_head,
15797         bb_in_list, interesting_ssa_edges, varying_ssa_edges): Remove.
15798         (cfg_blocks): Make a bitmap.
15799         (bb_to_cfg_order, cfg_order_to_bb, ssa_edge_worklist, uid_to_stmt):
15800         New globals.
15801         (cfg_blocks_empty_p): Adjust.
15802         (cfg_blocks_add): Likewise.
15803         (cfg_blocks_get): Likewise.
15804         (add_ssa_edge): Likewise.
15805         (add_control_edge): Likewise.
15806         (simulate_stmt): Likewise.
15807         (process_ssa_edge_worklist): Likewise.
15808         (simulate_block): Likewise.
15809         (ssa_prop_init): Compute PRE order and stmt UIDs.
15810         (ssa_prop_fini): Adjust.
15811         (ssa_propagate): Adjust.
15813 2016-08-12  Richard Biener  <rguenther@suse.de>
15815         * tree-vrp.c (vrp_visit_phi_node): Allow a last iteration if
15816         the currently executable edges have fixed ranges.  Always
15817         go through update_value_range.
15819 2016-08-12  Alexandre Oliva  <aoliva@redhat.com>
15821         PR debug/63240
15822         * langhooks-def.h
15823         (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Const_tree-ify.
15824         (LANG_HOOKS_FUNCTION_DECL_DELETED_P): Likewise.
15825         (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Set default.
15826         (LANG_HOOKS_DECLS): Add it.
15827         * langhooks.h (struct lang_hooks_for_decls): Add
15828         function_decl_defaulted.  Const_tree-ify
15829         function_decl_explicit_p and function_decl_deleted_p.
15830         * dwarf2out.c (gen_subprogram_die): Add DW_AT_defaulted
15831         attribute.  Add DW_AT_deleted instead of DW_AT_GNU_deleted,
15832         also at strict DWARF v5.
15834         PR debug/55641
15835         * dwarf2out.c (decl_quals): Don't map TREE_READONLY to
15836         TYPE_QUAL_CONST in reference-typed decls.
15838         PR debug/49366
15839         * dwarf2out.c (loc_list_from_tree_1): Expand some CONSTRUCTORs
15840         in DW_OP_pieces, just enough to handle pointers to member
15841         functions.
15842         (gen_remaining_tmpl_value_param_die_attribute): Use a location
15843         expression on DWARFv5 if a constant value doesn't work.
15845 2016-08-11  David Malcolm  <dmalcolm@redhat.com>
15847         * selftest-run-tests.c (selftest::run_tests): Call selftest_c_tests.
15848         * selftest.c (selftest::test_assertions): New function.
15849         (selftest::selftest_c_tests): New function.
15850         * selftest.h (selftest::selftest_c_tests): New declaration.
15852 2016-08-11  Richard Biener  <rguenther@suse.de>
15853             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15855         PR rtl-optimization/72855
15856         * df-core.c (df_verify): Turn off DF_VERIFY_SCHEDULED at end.
15858 2016-08-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15860         PR target/72863
15861         * vsx.md (vsx_load_<mode>): For P8LE, emit swaps at expand time.
15862         (vsx_store_<mode>): Likewise.
15864 2015-08-11  H.J. Lu  <hongjiu.lu@intel.com>
15866         * config/i386/i386.c (timode_scalar_to_vector_candidate_p): Allow
15867         TImode CONST_WIDE_INT store.
15868         (timode_scalar_chain::convert_insn): Handle CONST_WIDE_INT store.
15870 2015-08-11  H.J. Lu  <hongjiu.lu@intel.com>
15872         * config/i386/i386.h (MOVE_MAX_PIECES): Use TImode in 64-bit
15873         mode if unaligned SSE load and store are optimal.
15875 2016-08-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15877         PR tree-optimization/71083
15878         * tree-predcom.c (ref_at_iteration): Correctly align the
15879         reference type.
15881 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15883         * config/s390/s390-builtin-types.def: Add INT128 types.
15884         * config/s390/s390-builtins.def: Add INT128 variants for the add
15885         sub low-level builtins dealing with TImode.
15886         * config/s390/s390.c (s390_expand_builtin): Allow mode conversions
15887         via subreg when expanding a builtin.
15888         * config/s390/s390.md: Remove UNSPEC_VEC_ADDC_U128,
15889         UNSPEC_VEC_SUB_U128, and UNSPEC_VEC_SUBC_U128 constants.
15890         Fix comment.
15891         * config/s390/vecintrin.h: Adjust builtin names accordingly.
15892         * config/s390/vx-builtins.md ("vec_add_u128"): Remove expander.
15893         ("vec_addc<mode>", "vec_addc_u128"): Merge to
15894         "vacc<bhfgq>_<mode>".
15895         ("vec_adde_u128"): Rename to "vacq". Change mode to TImode.
15896         ("vec_addec_u128"): Rename to "vacccq". Change mode to TImode.
15897         ("vec_subc<mode>", "vec_subc_u128"): Merge to
15898         "vscbi<bhfgq>_<mode>".
15899         ("vec_sube_u128"): Rename to "vsbiq". Change mode to TImode.
15900         ("vec_subec_u128"): Rename to "vsbcbiq". Change mode to TImode.
15902 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15904         * config/s390/s390-builtins.def: Mark last operand of s390_vlvg*
15906 2016-08-11  Bin Cheng  <bin.cheng@arm.com>
15908         * config/aarch64/aarch64-simd.md (vcond<mode><mode>): Delete
15909         unused declaration.
15910         (vcond<v_cmp_mixed><mode>): Ditto.
15911         (vcondu<mode><mode>, vcondu<mode><v_cmp_mixed>): Ditto.
15913 2016-08-11  Bin Cheng  <bin.cheng@arm.com>
15915         * config/aarch64/aarch64-simd.md (vec_cmp<mode><v_cmp_result>): Init
15916         variable explicitly, also assert on it before use.
15918 2016-08-11  Richard Biener  <rguenther@suse.de>
15920         PR tree-optimization/72772
15921         * cfgloopmanip.c (create_preheader): Use split_edge if there
15922         is a single loop entry, avoiding degenerate PHIs.
15924 2016-08-11  Richard Biener  <rguenther@suse.de>
15926         * tree-ssa-threadbackward.c (pass_data_thread_jumps): Remove
15927         unconditional TODO_cleanup_cfg.
15928         (pass_thread_jumps::execute): Initialize loops, perform a CFG
15929         cleanup only if we threaded a jump.
15931 2016-08-11  Alan Modra  <amodra@gmail.com>
15933         PR target/71680
15934         * lra-constraints.c (simplify_operand_subreg): Allow subreg
15935         mode for mem when SLOW_UNALIGNED_ACCESS if inner mode is also
15936         slow.  Emit two reloads for slow mem case, first loading in
15937         fast innermode, then converting to required mode.
15939 2016-08-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15941         * config/rs6000/altivec.h (vec_extract_exp): New macro.
15942         (vec_extract_sig): New macro.
15943         (vec_insert_exp): New macro.
15944         (vec_test_data_class): New macro.
15945         (scalar_extract_exp): New macro.
15946         (scalar_extract_sig): New macro.
15947         (scalar_insert_exp): New macro.
15948         (scalar_test_data_class): New macro.
15949         (scalar_test_neg): New macro.
15950         (scalar_cmp_exp_gt): New macro.
15951         (scalar_cmp_exp_lt): New macro.
15952         (scalar_cmp_exp_eq): New macro.
15953         (scalar_cmp_exp_unordered): New macro.
15954         * config/rs6000/predicates.md (u7bit_cint_operand): New predicate
15955         to enforce constraint that operand is a 7-bit unsigned literal.
15956         * config/rs6000/rs6000-builtin.def (BU_P9V_64BIT_VSX_1): New macro
15957         for power9 built-ins.
15958         (BU_P9V_VSX_2): Likewise.
15959         (BU_P9V_64BIT_VSX_2): Likewise.
15960         (VSEEDP): Add scalar extract exponent support.
15961         (VSEESP): Add scalar extract signature support.
15962         (VSTDCNDP): Add scalar test negative support.
15963         (VSTDCNSP): Likewise.
15964         (VSIEDP): Add scalar insert exponent support.
15965         (VSCEDPGT): Add scalar compare exponent greater than support.
15966         (VSCEDPLT): Add scalar compare exponent less than support.
15967         (VSCEDPEQ): Add scalar compare exponent test-for-equality support.
15968         (VSCEDPUO): Add scalar compare exponent test-for-unordered support.
15969         (VSTDCDP): Add scalar test data class support.
15970         (VSTDCSP): Likewise.
15971         (VSEEDP): Add overload support for scalar extract exponent
15972         operation.
15973         (VSESDP): Add overload support for scalar extract signature
15974         operation.
15975         (VSTDCN): Add overload support for scalar test negative
15976         operation.
15977         (VSTDCNDP): Add overload support for scalar test negative
15978         operation.
15979         (VSTDCNSP): Add overload support for scalar test negative
15980         operation.
15981         (VSIEDP): Add overload support for scalar insert exponent
15982         operation.
15983         (VSTDC): Add overload support for scalar test data class
15984         operation.
15985         (VSTDCDP): Add overload support for scalar test data class
15986         operation.
15987         (VSTDCSP): Add overload support for scalar test data class
15988         opreation.
15989         (VSCEDPGT): Add overload support for scalar compare exponent
15990         greater than operation.
15991         (VSCEDPLT): Add overload support for scalar compare exponent
15992         less than operation.
15993         (VSCEDPEQ): Add overload support for scalar compare exponent
15994         test-for-equality operation.
15995         (VSCEDPUO): Add overload support for scalar compare exponent
15996         test-for-unordered operation.
15997         (VEEDP): Add vector extract exponent support.
15998         (VEESP): Likewise.
15999         (VESDP): Add vector extract significand support.
16000         (VESSP): Likewise.
16001         (VIEDP): Add vector insert exponent support.
16002         (VIESP): Likewise.
16003         (VTDCDP): Add vector test data class support.
16004         (VTDCSP): Likewise.
16005         (VES): Add overload support for vector extract significand operation.
16006         (VESDP): Likewise.
16007         (VESSP): Likewise
16008         (VEE): Add overload support for vector extract exponent operation.
16009         (VEEDP): Likewise.
16010         (VEESP): Likewise.
16011         (VTDC): Add overload support for vector test data class operation.
16012         (VTDCDP): Likewise.
16013         (VTDCSP): Likewise.
16014         (VIE): Add overload support for vector insert exponent operation.
16015         (VIEDP): Likewise.
16016         (VIESP): Likewise.
16017         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
16018         overloaded binary floating point functions.
16019         (altivec_resolve_overloaded_builtin): Improve error messages to
16020         distinguish between functions not supported in the current
16021         compiler configuration and functions that were invoked with an
16022         invalid parameter combination, and include the built-in function
16023         name in both error messages.
16024         * config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_name):
16025         New prototype.
16026         * config/rs6000/rs6000.c (rs6000_overloaded_builtin_name): New
16027         function.
16028         (rs6000_expand_binop_builtin): Add check to enforce that argument
16029         2 of the test data class operations is a 7-bit unsigned literal.
16030         (rs6000_invalid_builtin): Add code to issue an error message if a
16031         built-in function that requires the power9_vector and -m32
16032         command-line options is compiled without these options.
16033         * config/rs6000/vsx.md (UNSPEC_VSX_SXEXPDP): New value.
16034         (UNSPEC_VSX_SXSIGDP): New value.
16035         (UNSPEC_VSX_SXSIGPDP): New value.
16036         (UNSPEC_VSX_SIEXPDP): New value.
16037         (UNSPEC_VSX_SCMPEXPDP): New value.
16038         (UNSPEC_VSX_STSTDC): New value.
16039         (UNSPEC_VSX_VXEXP): New value.
16040         (UNSPEC_VSX_VXSIG): New value.
16041         (UNSPEC_VSX_VIEXP): New value.
16042         (UNSPEC_VSX_VTSTDC): New value.
16043         (xsxexpdp): New insn for scalar extract exponent.
16044         (xsxsigdp): New insn for scalar extract significand.
16045         (xsiexpdp): New insn for scalar insert exponent.
16046         (xscmpexpdp_<code>): New expansion for scalar compare exponents.
16047         (*xscmpexpdp): New insn for scalar compare exponents.
16048         (xststdc<Fvsx): New expansion for both single- and
16049         double-precision scalar test data class operations.
16050         (xststdcneg<Fvsx>): New expansion for both single- and
16051         double-precision scalar test for negative value operations.
16052         (*xststdc<Fvsx>): New insn for scalar test data class
16053         operation.
16054         (xvxexp<VSs>): New insn for single- and double-precision
16055         vector extract exponent operation.
16056         (xvxsig<VSs>): New insn for single- and double-precision
16057         vector extract significand operation.
16058         (xviexp<VSs>): New insn for single- and double-precision
16059         vector insert exponent operation.
16060         (xvtstdc<VSs>): New insn for single- and double-precision
16061         vector test data class operation.
16062         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
16063         built-in functions to represent the Power9 binary floating-point
16064         support instructions.
16066 2016-08-10  bin cheng  <bin.cheng@arm.com>
16068         * doc/sourcebuild.texi (@item vect_cond_mixed): New item.
16070 2016-08-10  Alan Lawrence  <alan.lawrence@arm.com>
16071             Renlin Li  <renlin.li@arm.com>
16072             Bin Cheng  <bin.cheng@arm.com>
16074         * config/aarch64/iterators.md (V_cmp_mixed, v_cmp_mixed): New.
16075         * config/aarch64/aarch64-simd.md (<su><maxmin>v2di3): Call
16076         gen_vcondv2div2di instead of gen_aarch64_vcond_internalv2div2di.
16077         (aarch64_vcond_internal<mode><mode>): Delete pattern.
16078         (aarch64_vcond_internal<VDQF_COND:mode><VDQF:mode>): Ditto.
16079         (vcond<v_cmp_result><mode>): Ditto.
16080         (vcond<mode><mode>): Re-implement using vec_cmp and vcond_mask.
16081         (vcondu<mode><mode>): Ditto.
16082         (vcond<v_cmp_mixed><mode>): New pattern.
16083         (vcondu<mode><v_cmp_mixed>): New pattern.
16084         (aarch64_cmtst<mode>): Revise comment using aarch64_vcond instead
16085         of aarch64_vcond_internal.
16087 2016-08-10  Alan Lawrence  <alan.lawrence@arm.com>
16088             Renlin Li  <renlin.li@arm.com>
16089             Bin Cheng  <bin.cheng@arm.com>
16091         * config/aarch64/aarch64-simd.md (vec_cmp<mode><mode>): New pattern.
16092         (vec_cmp<mode><v_cmp_result>): New pattern.
16093         (vec_cmpu<mode><mode>): New pattern.
16094         (vcond_mask_<mode><v_cmp_result>): New pattern.
16096 2016-08-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
16098         PR tree-optimization/71734
16099         * tree-ssa-loop-im.c (ref_indep_loop_p): Add new argument
16100         REF_LOOP, invoke ref_indep_loop_p_1.
16101         (outermost_indep_loop): Pass LOOP argumnet where REF was defined
16102         to ref_indep_loop_p.
16103         (ref_indep_loop_p_1): Fix commentary, add argument REF_LOOP,
16104         combine it with ref_indep_lopp_p_2, update SAFELEN if only REF
16105         is inside LOOP, do not cache dpendence value for loops with
16106         non-zero SAFELEN.
16107         (ref_indep_loop_p_2): Delete function.
16108         (can_sm_ref_p): Pass LOOP as additional argument to
16109         ref_indep_loop_p.
16111 2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
16113         PR target/72853
16114         * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
16115         being an offsettable address.
16117 2016-08-10  Martin Liska  <mliska@suse.cz>
16119         PR gcov-profile/58306
16120         * tree-profile.c (gimple_init_edge_profiler): Create conditionally
16121         atomic variants of profile update functions.
16123 2016-08-10  Martin Liska  <mliska@suse.cz>
16125         Cherry picked (and modified) from google-4_7 branch
16126         2012-12-26  Rong Xu  <xur@google.com>
16127         * common.opt (fprofile-update): Add new flag.
16128         * coretypes.h: Define enum profile_update.
16129         * doc/invoke.texi: Document -fprofile-update.
16130         * gcov-io.h: Declare GCOV_TYPE_ATOMIC_FETCH_ADD and
16131         GCOV_TYPE_ATOMIC_FETCH_ADD_FN.
16132         * tree-profile.c (gimple_init_edge_profiler): Generate
16133         also atomic profiler update.
16134         (gimple_gen_edge_profiler): Likewise.
16136 2016-08-10  David Malcolm  <dmalcolm@redhat.com>
16138         * toplev.c (finalize): Set aux_info_file, asm_out_file, and
16139         stack_usage_file to NULL after fclose calls.
16141 2016-08-10  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
16143         PR target/71873
16144         * reload.c (push_reload): Compute subreg_in_class for
16145         subregs of constants and plus expressions. Remove special
16146         handling of SYMBOL_REFs.
16148 2016-08-10  Alan Modra  <amodra@gmail.com>
16150         PR target/71680
16151         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return
16152         SImode for TARGET_E500_DOUBLE when given SImode.
16154 2016-08-09  David Wohlferd  <dw@LimeGreenSocks.com>
16156         * config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
16157         unused variable __O.
16159 2016-08-09  Martin Liska  <mliska@suse.cz>
16161         * doc/gcov.texi: Change _gcov_dump to __gcov_dump and
16162         _gcov_reset to __gcov_reset.
16163         * doc/gcov-tool.texi: Fix typo.
16165 2016-08-09  Martin Liska  <mliska@suse.cz>
16167         * value-prof.c (gimple_divmod_values_to_profile): Do not
16168         instrument MOD histogram if a value is not a SSA name.
16170 2016-08-09  Martin Liska  <mliska@suse.cz>
16172         * value-prof.c (dump_histogram_value): Swap pow2 and non-pow2
16173         values.
16175 2016-08-09  Renlin Li  <renlin.li@arm.com>
16177         PR middle-end/64971
16178         * calls.c (prepare_call_address): Convert funexp to Pmode when
16179         necessary.
16180         * config/aarch64/aarch64.md (sibcall): Remove fix for PR 64971.
16181         (sibcall_value): Likewise.
16183 2016-08-09  Marek Polacek  <polacek@redhat.com>
16185         PR c/7652
16186         * cselib.c (cselib_expand_value_rtx_1): Add return.
16187         * gengtype.c (dbgprint_count_type_at): Likewise.
16188         * hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Likewise.
16189         * reg-stack.c (get_true_reg): Restructure to avoid fallthrough warning.
16191 2016-08-09  Martin Jambor  <mjambor@suse.cz>
16193         PR ipa/71981
16194         * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
16195         if instance is a MEM_REF.
16197 2016-08-09  Uros Bizjak  <ubizjak@gmail.com>
16199         PR target/72843
16200         * config/i386/i386.md (*movtf_internal): Use
16201         lra_in_progress || reload_completed instead of !can_create_pseudo_p
16202         in the insn constraint.
16203         (*movxf_internal): Ditto.
16204         (*movdf_internal): Ditto.
16205         (*movsf_internal): Ditto.
16207 2016-08-09  Bin Cheng  <bin.cheng@arm.com>
16209         PR tree-optimization/72772
16210         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
16211         for expanded base.
16213 2016-08-09  Bin Cheng  <bin.cheng@arm.com>
16215         PR tree-optimization/72772
16216         * tree-ssa-loop-niter.h (simplify_using_initial_conditions): Delete
16217         parameter STOP.
16218         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Delete
16219         parameter STOP and update calls.  Move expand_simple_operations
16220         function call from here...
16221         (simplify_using_initial_conditions): ...to here.  Delete parameter
16222         STOP.
16223         (tree_simplify_using_condition): Delete parameter STOP.
16224         * tree-scalar-evolution.c (simple_iv_with_niters): Update call to
16225         simplify_using_initial_conditions.
16227 2016-08-09  Matthew Fortune  <matthew.fortune@imgtec.com>
16229         PR c/65345
16230         * config/mips/mips.c (mips_atomic_assign_expand_fenv):
16231         Use create_tmp_var_raw instead of create_tmp_var.
16233 2016-08-09  Richard Biener  <rguenther@suse.de>
16235         * tree-ssa-threadbackward.c (profitable_jump_thread_path):
16236         Treat same SSA names related.
16238 2016-08-09  Jakub Jelinek  <jakub@redhat.com>
16240         PR tree-optimization/72824
16241         * tree-loop-distribution.c (const_with_all_bytes_same): Verify
16242         real_zerop is not negative.
16244 2016-08-09  Richard Biener  <rguenther@suse.de>
16246         PR tree-optimization/71802
16247         * tree-cfgcleanup.c (cleanup_tree_cfg_bb): Make sure to catch
16248         all merge opportunities with the predecessor.
16250 2016-08-09  Richard Biener  <rguenther@suse.de>
16252         PR ipa/68273
16253         * ipa-prop.c (ipa_modify_formal_parameters): Build
16254         parameter types with natural alignment also for the
16255         over-aligned case.
16257 2016-08-08  Andi Kleen  <ak@linux.intel.com>
16259         * tree-vrp.c (get_single_symbol): Always initialize inv and neg.
16261 2016-08-08  David Malcolm  <dmalcolm@redhat.com>
16263         PR c/64955
16264         * langhooks-def.h (LANG_HOOKS_RUN_LANG_SELFTESTS): New default
16265         do-nothing langhook.
16266         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_RUN_LANG_SELFTESTS.
16267         * langhooks.h (struct lang_hooks): Add run_lang_selftests.
16268         * selftest-run-tests.c: Include "tree.h" and "langhooks.h".
16269         (selftest::run_tests): Call lang_hooks.run_lang_selftests.
16271 2016-08-08  David Malcolm  <dmalcolm@redhat.com>
16273         PR bootstrap/72844
16274         * input.c: Ensure that HAVE_ICONV is defined.
16276 2016-08-08  Jakub Jelinek  <jakub@redhat.com>
16278         PR middle-end/72781
16279         * omp-low.c (lower_lastprivate_clauses): Set TREE_NO_WARNING on the
16280         private vars for lastprivate and for linear iterator.
16282         PR middle-end/68762
16283         * omp-simd-clone.c: Include varasm.h.
16284         (simd_clone_create): Copy over DECL_COMDAT, DECL_WEAK, DECL_EXTERNAL,
16285         DECL_VISIBILITY, DECL_VISIBILITY_SPECIFIED, DECL_DLLIMPORT_P and for
16286         DECL_ONE_ONLY call make_decl_one_only.  Fix up spelling in comment and
16287         update function name.
16289 2016-07-29  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
16291         * config/avr/driver-avr.c (specfiles_doc_url): Remove.
16292         (avr_diagnose_devicespecs_error): Remove.
16293         (avr_devicespecs_file): Remove composing absolute path for specfile
16294         and its verbose info. Remove conditions to check specs-file,
16296 2016-08-08  Jakub Jelinek  <jakub@redhat.com>
16298         PR rtl-optimization/72821
16299         * lra-spills.c (regno_in_use_p): Don't use BLOCK_FOR_INSN on barriers,
16300         just return false for them.
16302 2016-08-08  Alan Modra  <amodra@gmail.com>
16304         PR target/72771
16305         * config/rs6000/rs6000.c (toc_relative_expr_p): Allow (lo_sum (high))
16306         toc refs created during reload.  Update function comment.
16308 2016-08-08  Alan Modra  <amodra@gmail.com>
16310         PR target/72802
16311         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Sort
16312         alternatives.  Put loads first, then stores, and reg/reg moves
16313         within same class later.  Delete attr length.
16315 2016-08-08  Alan Modra  <amodra@gmail.com>
16317         PR target/72802
16318         * config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
16319         (mem_operand_ds_form): New predicate.
16320         * config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
16321         * config/rs6000/constraints.md (wY): Use mem_operand_df_form.
16322         * config/rs6000/predicates.md (offsettable_mem_14bit_operand): Delete.
16323         * config/rs6000/rs6000.md (f32_lm2, f32_sm2): Use wY for SF.
16324         (extendsfdf2_fpr): Replace o constraint with wY.
16326 2016-08-07  Jan Hubicka  <hubicka@ucw.cz>
16328         * tree-ssa-threadbackward.c: Include tree-inline.h
16329         (profitable_jump_thread_path): Use estimate_num_insns to estimate
16330         size of copied block; for cold paths reduce duplication.
16331         (find_jump_threads_backwards): Remove redundant tests.
16332         (pass_thread_jumps::gate): Enable for -Os.
16334 2016-08-07  Jakub Jelinek  <jakub@redhat.com>
16336         PR c/72816
16337         * stor-layout.c (layout_decl): Fix up formatting.
16338         (relayout_decl): Allow DECL to be FIELD_DECL.
16340 2016-08-07  Alan Modra  <amodra@gmail.com>
16342         * config/rs6000/rs6000.md (fix_trunc<mode>si2): Fix mode of reg.
16344 2016-08-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
16346         * data-streamer-in.c (streamer_read_wide_int): New.
16347         (streamer_read_widest_int): Renamed function.
16348         * data-streamer-out.c (streamer_write_wide_int): New
16349         (streamer_write_widest_int): Renamed function.
16350         * lto-streamer-in.c (streamer_read_wi): Renamed and moved to
16351         data-stream-in.c.
16352         (input_cfg): Call renamed function.
16353         * lto-streamer-out.c (streamer_write_wi): Renamed and moved to
16354         data-stream-out.c.
16355         (output_cfg): Call renamed function.
16356         * data-streamer.h: Add declarations.
16358 2016-08-08  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16360         * tree-ssa-ccp.c (extend_mask): New param sgn.
16361         Remove ORing with wi::mask.
16362         (get_default_value): Adjust call to extend_mask to pass sign.
16363         (evaluate_stmt): Likewise.
16365 2016-08-06  Jakub Jelinek  <jakub@redhat.com>
16367         * gcov.c (handle_cycle): Use INTTYPE_MAXIMUM (int64_t) instead of
16368         INT64_MAX.
16370 2016-08-06  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16372         * match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Disable
16373         transform if operand's type is pointer to function or method.
16375 2016-08-05  Patrick Palka  <ppalka@gcc.gnu.org>
16377         PR tree-optimization/18046
16378         * tree-ssa-threadedge.c: Include cfganal.h.
16379         (simplify_control_statement_condition): If simplifying a
16380         GIMPLE_SWITCH, replace the index operand of the GIMPLE_SWITCH
16381         with the dominating ASSERT_EXPR before handing it off to VRP.
16382         Mention that a CASE_LABEL_EXPR may be returned.
16383         (thread_around_empty_blocks): Adjust to handle
16384         simplify_control_statement_condition() returning a
16385         CASE_LABEL_EXPR.
16386         (thread_through_normal_block): Likewise.
16387         * tree-vrp.c (simplify_stmt_for_jump_threading): Simplify
16388         a switch statement by trying to determine which case label
16389         will be taken.
16391 2016-08-05  Vladimir Makarov  <vmakarov@redhat.com>
16393         PR rtl-optimization/69847
16394         * lra-constraints.c (process_invariant_for_inheritance): Save
16395         pattern instead of src.
16396         (remove_inheritance_pseudos): Use the pattern.  Add assert.
16398 2016-08-05  David Malcolm  <dmalcolm@redhat.com>
16400         * input.c (string_concat::string_concat): New constructor.
16401         (string_concat_db::string_concat_db): New constructor.
16402         (string_concat_db::record_string_concatenation): New method.
16403         (string_concat_db::get_string_concatenation): New method.
16404         (string_concat_db::get_key_loc): New method.
16405         (class auto_cpp_string_vec): New class.
16406         (get_substring_ranges_for_loc): New function.
16407         (get_source_range_for_substring): New function.
16408         (get_num_source_ranges_for_substring): New function.
16409         (class selftest::lexer_test_options): New class.
16410         (struct selftest::lexer_test): New struct.
16411         (class selftest::ebcdic_execution_charset): New class.
16412         (selftest::ebcdic_execution_charset::s_singleton): New variable.
16413         (selftest::lexer_test::lexer_test): New constructor.
16414         (selftest::lexer_test::~lexer_test): New destructor.
16415         (selftest::lexer_test::get_token): New method.
16416         (selftest::assert_char_at_range): New function.
16417         (ASSERT_CHAR_AT_RANGE): New macro.
16418         (selftest::assert_num_substring_ranges): New function.
16419         (ASSERT_NUM_SUBSTRING_RANGES): New macro.
16420         (selftest::assert_has_no_substring_ranges): New function.
16421         (ASSERT_HAS_NO_SUBSTRING_RANGES): New macro.
16422         (selftest::test_lexer_string_locations_simple): New function.
16423         (selftest::test_lexer_string_locations_ebcdic): New function.
16424         (selftest::test_lexer_string_locations_hex): New function.
16425         (selftest::test_lexer_string_locations_oct): New function.
16426         (selftest::test_lexer_string_locations_letter_escape_1): New function.
16427         (selftest::test_lexer_string_locations_letter_escape_2): New function.
16428         (selftest::test_lexer_string_locations_ucn4): New function.
16429         (selftest::test_lexer_string_locations_ucn8): New function.
16430         (selftest::uint32_from_big_endian): New function.
16431         (selftest::test_lexer_string_locations_wide_string): New function.
16432         (selftest::uint16_from_big_endian): New function.
16433         (selftest::test_lexer_string_locations_string16): New function.
16434         (selftest::test_lexer_string_locations_string32): New function.
16435         (selftest::test_lexer_string_locations_u8): New function.
16436         (selftest::test_lexer_string_locations_utf8_source): New function.
16437         (selftest::test_lexer_string_locations_concatenation_1): New
16438         function.
16439         (selftest::test_lexer_string_locations_concatenation_2): New
16440         function.
16441         (selftest::test_lexer_string_locations_concatenation_3): New
16442         function.
16443         (selftest::test_lexer_string_locations_macro): New function.
16444         (selftest::test_lexer_string_locations_stringified_macro_argument):
16445         New function.
16446         (selftest::test_lexer_string_locations_non_string): New function.
16447         (selftest::test_lexer_string_locations_long_line): New function.
16448         (selftest::test_lexer_char_constants): New function.
16449         (selftest::input_c_tests): Call the new test functions once per
16450         case within the line_table test matrix.
16451         * input.h (struct string_concat): New struct.
16452         (struct location_hash): New struct.
16453         (class string_concat_db): New class.
16454         * substring-locations.h: New header.
16456 2016-08-05  Patrick Palka  <ppalka@gcc.gnu.org>
16458         PR tree-optimization/72810
16459         * tree-vrp.c (simplify_switch_using_ranges): Avoid changing
16460         the type of the case labels when truncating.
16462 2016-08-05  James Greenhalgh  <james.greenhalgh@arm.com>
16464         PR Target/72819
16465         * config/aarch64/aarch64.h (aarch64_fp16_type_node): Declare.
16466         (aarch64_fp16_ptr_type_node): Likewise.
16467         * config/aarch64/aarch64-simd-builtins.c
16468         (aarch64_fp16_ptr_type_node): Define.
16469         (aarch64_init_fp16_types): New, refactored out of...
16470         (aarch64_init_builtins): ...here, update to call
16471         aarch64_init_fp16_types.
16472         * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr): Handle
16473         HFmode.
16474         (aapcs_vfp_sub_candidate): Likewise.
16476 2016-08-05  Martin Liska  <mliska@suse.cz>
16477             Joshua Cranmer  <Pidgeot18@gmail.com>
16479         * gcov.c (line_t::has_block): New function.
16480         (enum loop_type): New enum.
16481         (handle_cycle): New function.
16482         (unblock): Likewise.
16483         (circuit): Likewise.
16484         (get_cycles_count): Likewise.
16485         (accumulate_line_counts): Use new loop detection algorithm.
16487 2016-08-05  Martin Liska  <mliska@suse.cz>
16489         * gcov.c (output_intermediate_file): Rename
16490         function_info::line_next to next_file_fn.
16491         (process_file): Likewise.
16492         (read_graph_file): Likewise.
16493         (accumulate_line_counts): Likewise.
16494         (output_lines): Likewise.
16496 2016-08-05  Richard Biener  <rguenther@suse.de>
16498         * tree-ssa-threadupdate.c (thread_block_1): Remove unnecessary
16499         restriction on threading to a loop header.
16501 2016-08-05  Richard Biener  <rguenther@suse.de>
16503         * tree-cfgcleanup.c (tree_forwarder_block_p): Use bb_loop_header_p.
16504         * cfghooks.c (force_nonfallthru): If we ended up splitting a latch
16505         adjust loop info accordingly.
16507 2016-08-05  Kugan Vivekanandarajah  <kuganv@linaro.org>
16509         * tree-vrp.c (extract_range_basic): Check cfun->after_inlining
16510         before folding call to __builtin_constant_p with parameters to false.
16512 2016-08-05  Alan Modra  <amodra@gmail.com>
16514         * config/rs6000/rs6000.c (rs6000_preferred_reload_class): Delete
16515         code accidentally committed 2016-05-02 providing class when given
16516         NO_REGS.
16518 2016-08-04  Patrick Palka  <ppalka@gcc.gnu.org>
16520         * tree-vrp.c (simplify_switch_using_ranges): Try to truncate
16521         the case label ranges that partially overlap with OP's value
16522         range.
16524 2016-08-04  Uros Bizjak  <ubizjak@gmail.com>
16526         PR target/72805
16527         * config/i386/avx512fintrin.h (_mm512_cmp_epi32_mask) [!__OPTIMIZE__]:
16528         Cast builtin function result to __mmask16 instead of __mmask8.
16529         (_mm512_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
16530         (_mm512_mask_cmp_epi32_mask) [!__OPTIMIZE__]: Ditto.
16531         (_mm512_mask_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
16533 2016-08-04  David Malcolm  <dmalcolm@redhat.com>
16535         * selftest.h (ASSERT_TRUE): Reimplement in terms of...
16536         (ASSERT_TRUE_AT): New macro.
16537         (ASSERT_FALSE): Reimplement in terms of...
16538         (ASSERT_FALSE_AT): New macro.
16539         (ASSERT_STREQ_AT): Fix typo in comment.
16541 2016-08-04  Patrick Palka  <ppalka@gcc.gnu.org>
16543         * gimple.c (preprocess_case_label_vec_for_gimple): When the case
16544         labels are exhaustive, designate the label with the widest
16545         range to be the default label.
16547 2016-08-04  Andrew Pinski  <apinski@cavium.com>
16549         * config/aarch64/aarch64.c (thunderx_vector_cost): New variable.
16550         (thunderx_tunings): Use thunderx_vector_cost instead of
16551         generic_vector_cost.
16553 2016-08-04  Martin Liska  <mliska@suse.cz>
16555         * gcov.c (main): Fix GNU coding style.
16556         (output_intermediate_file): Likewise.
16557         (process_file): Likewise.
16558         (generate_results): Likewise.
16559         (release_structures): Likewise.
16560         (create_file_names): Likewise.
16561         (find_source): Likewise.
16562         (read_graph_file): Likewise.
16563         (find_exception_blocks): Likewise.
16564         (canonicalize_name): Likewise.
16565         (make_gcov_file_name): Likewise.
16566         (mangle_name): Likewise.
16567         (accumulate_line_counts): Likewise.
16568         (output_branch_count): Likewise.
16569         (read_line): Likewise.
16571 2016-08-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16573         PR rtl-optimization/71779
16574         * emit-rtl.c (set_reg_attrs_from_value): Only propagate REG_POINTER,
16575         if the value was sign-extended according to POINTERS_EXTEND_UNSIGNED
16576         or if it was truncated.
16578         PR rtl-optimization/70903
16579         * cse.c (cse_insn): If DEST is a paradoxical SUBREG, don't record DEST.
16581 2016-08-04  Kugan Vivekanandarajah  <kuganv@linaro.org>
16583         * tree-inline.c (remap_ssa_name): Check for POINTER_TYPE_P before
16584         accessing SSA_NAME_PTR_INFO.
16586 2016-08-04  Georg-Johann Lay  <avr@gjlay.de>
16588         PR 70677
16589         * common/config/avr/avr-common.c (avr_option_optimization_table)
16590         [OPT_LEVELS_ALL]: Turn off -fcaller-saves.
16592 2016-08-04  Georg-Johann Lay  <avr@gjlay.de>
16594         PR 55181
16595         * config/avr/avr.md: New pattern to work around do_store_flag
16596         generating shift instructions for bit extractions.
16598 2016-08-04  Kugan Vivekanandarajah  <kuganv@linaro.org>
16600         * tree-vrp.c (set_value_range): Use vrp_equiv_obstack with
16601         BITMAP_ALLOC.
16602         (add_equivalence): Likewise.
16603         (get_value_range): Allocate value range with vrp_value_range_pool.
16604         (vrp_initialize): Initialize vrp_equiv_obstack for equiv allocation.
16605         (vrp_finalize): Relase vrp_equiv_obstack and vrp_value_range_pool.
16607 2016-08-03  Peter Bergner  <bergner@vnet.ibm.com>
16609         * config/rs6000/rs6000.c (rs6000_option_override_internal): Make LRA
16610         the default for the rs6000 port.
16612 2016-08-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16614         PR middle-end/71876
16615         * calls.c (special_function_p): Remove special handling of
16616         "setjmp_syscall", "qsetjmp", "longjmp", "siglongjmp" and the
16617         prefix "__x".  Recognize "savectx", "vfork" and "getcontext" only
16618         without prefix.  Remove potentially unsafe ECF_LEAF and ECF_NORETURN.
16620 2016-08-03  Vladimir Makarov  <vmakarov@redhat.com>
16622         PR middle-end/72778
16623         * lra-spills.c (regno_in_use_p): Check bb and regno modification.
16624         Don't stop on regular insns.
16626 2016-08-03  Nathan Sidwell  <nathan@codesourcery.com>
16628         * config/nvptx/nvptx.c (nvptx_declare_function_name): Round frame
16629         size to DImode boundary.
16630         (nvptx_propagate): Likewise.
16632 2016-08-03  Alan Modra  <amodra@gmail.com>
16634         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Make scalar
16635         float access depend on TARGET_EFFICIENT_UNALIGNED_VSX.
16636         * config/rs6000/rs6000.opt (-mefficient-unaligned-vsx): Renamed
16637         from -mefficient-unaligned-vector.  Note that this affects fp too.
16639 2016-08-03  Alan Modra  <amodra@gmail.com>
16641         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make unaligned mem
16642         cost more.
16644 2016-08-03  Alan Modra  <amodra@gmail.com>
16646         * config/rs6000/rs6000.md (fix_trunc<mode>si2): Force source operand
16647         to a reg.  Localize vars.
16649 2016-08-03  Alan Modra  <amodra@gmail.com>
16651         * config/rs6000/rs6000.opt: Remove negatives from help strings
16652         and comments.
16654 2016-08-03  Alan Modra  <amodra@gmail.com>
16656         * config/rs6000/rs6000.c (rs6000_secondary_reload_direct_move):
16657         Delete duplicated code.
16659 2016-08-02  Vladimir Makarov  <vmakarov@redhat.com>
16661         PR middle-end/72778
16662         * lra-spills.c (regno_in_use_p): New.
16663         (lra_final_code_change): Use it.
16665 2016-08-02  Vladimir Makarov  <vmakarov@redhat.com>
16667         PR rtl-optimization/69847
16668         * lra-int.h (struct lra-reg): Use restore_rtx instead of
16669         restore_regno.
16670         (lra_rtx_hash): New.
16671         * lra.c (initialize_lra_reg_info_element): Use restore_rtx instead
16672         of restore_regno.
16673         (lra_rtx_hash): Rename and move lra-remat.c::rtx_hash.
16674         * lra-remat.c (rtx_hash): Rename and Move to lra.c.
16675         * lra-spills.c (lra_final_code_change): Don't delete insn when the
16676         next insn is USE with the same reg as the current insn source.
16677         * lra-constraints.c (curr_insn_transform): Use restore_rtx instead
16678         of restore_regno.
16679         (lra_constraints_init): Call initiate_invariants.
16680         (lra_constraints_finish): Call finish_invariants.
16681         (struct invariant, invariant_t, invariant_ptr_t): New.
16682         (const_invariant_ptr_t, invariants, invariants_pool): New.
16683         (invariant_table, invariant_hash, invariant_eq_p): New.
16684         (insert_invariant, initiate_invariants, finish_invariants): New.
16685         (clear_invariants, invalid_invariant_regs): New.
16686         (inherit_reload_reg, split_reg, fix_bb_live_info): Use restore_rtx
16687         instead of restore_regno.
16688         (invariant_p, process_invariant_for_inheritance): New.
16689         (inherit_in_ebb): Implement invariant inheritance.
16690         (lra_inheritance): Initialize and finalize invalid_invariant_regs.
16691         (remove_inheritance_pseudos): Implement undoing invariant
16692         inheritance.
16693         (undo_optional_reloads, lra_undo_inheritance): Use restore_rtx
16694         instead of restore_regno.
16695         * lra-assigns.c (regno_live_length): New.
16696         (reload_pseudo_compare_func): Use regno_live_length.
16697         (assign_by_spills): Use restore_rtx instead of restore_regno.
16698         (lra_assign): Ditto.  Initiate regno_live_length.
16700 2016-02-08  James Greenhalgh  <james.greenhalgh@arm.com>
16702         * config/aarch64/arm_neon.h (vminnm_f64): Add back missing 'f' from
16703         __builtin_aarch64_fmindf.
16705 2016-08-02  Bin Cheng  <bin.cheng@arm.com>
16707         PR tree-optimization/34114
16708         * tree-ssa-loop-niter.c (number_of_iterations_ne): Prove no-overflow
16709         information for more control IVs.
16711 2016-08-02  Bin Cheng  <bin.cheng@arm.com>
16713         PR tree-optimization/34114
16714         * fold-const.c (multiple_of_p): Improve MULT_EXPR, PLUS_EXPR,
16715         PLUS_EXPR case.  Handle SSA_NAME case.
16717 2016-08-02  Tamar Christina  <tamar.christina@arm.com>
16719         * config/aarch64/aarch64-simd-builtins.def
16720         (__builtin_aarch64_fmindf): Change BUILTIN_VDQF to BUILTIN_VDQF_DF.
16721         (__builtin_aarch64_fmaxdf): Likewise.
16722         (__builtin_aarch64_smin_nandf): Likewise.
16723         (__builtin_aarch64_smax_nandf): Likewise.
16724         * config/aarch64/aarch64-simd.md (<fmaxmin><mode>3): Remove.
16725         * config/aarch64/aarch64.md (<fmaxmin><mode>3): Rename to...
16726         (<fmaxmin><mode>3): ...this.
16727         * config/aarch64/arm_neon.h (vmaxnm_f64): New.
16728         (vminnm_f64): Likewise.
16729         (vmin_f64): Likewise.
16730         (vmax_f64): Likewise.
16731         * config/aarch64/iterators.md (FMAXMIN): Merge with...
16732         (FMAXMIN_UNS): ...this.
16733         (fmaxmin): Merged with
16734         (fmaxmin_op): ...this...
16735         (maxmin_uns_op): ...in to this.
16737 2016-08-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
16739         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16740         Add support for vec_extract on vector float, vector int, vector
16741         short, and vector char vector types.
16742         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
16743         vector float, vector int, vector short, and vector char
16744         optimizations on 64-bit ISA 2.07 systems for both constant and
16745         variable element numbers.
16746         (rs6000_split_vec_extract_var): Likewise.
16747         * config/rs6000/vsx.md (vsx_xscvspdp_scalar2): Allow SFmode to be
16748         Altivec registers on ISA 2.07 and above.
16749         (vsx_extract_v4sf): Delete alternative that hard coded element 0,
16750         which never was matched due to the split occuring before register
16751         allocation (and the code would not have worked on little endian
16752         systems if it did match).  Allow extracts to go to the Altivec
16753         registers if ISA 2.07 (power8).  Change from using "" around the
16754         C++ code to using {}'s.
16755         (vsx_extract_v4sf_<mode>_load): New insn to optimize vector float
16756         vec_extracts when the vector is in memory.
16757         (vsx_extract_v4sf_var): New insn to optimize vector float
16758         vec_extracts when the element number is variable on 64-bit ISA
16759         2.07 systems.
16760         (vsx_extract_<mode>, VSX_EXTRACT_I iterator): Add optimizations
16761         for 64-bit ISA 2.07 as well as ISA 3.0.
16762         (vsx_extract_<mode>_p9, VSX_EXTRACT_I iterator): Likewise.
16763         (vsx_extract_<mode>_p8, VSX_EXTRACT_I iterator): Likewise.
16764         (vsx_extract_<mode>_load, VSX_EXTRACT_I iterator): New insn to
16765         optimize vector int, vector short, and vector char vec_extracts
16766         when the vector is in memory.
16767         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): New insn to
16768         optimize vector int, vector short, and vector char vec_extracts
16769         when the element number is variable.
16771 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
16773         PR target/71948
16774         * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): Use a value that
16775         does not overlap with other symbol flags.
16777 2016-08-01  Wilco Dijkstra  <wdijkstr@arm.com>
16779         * config/aarch64/aarch64.h (aarch64_frame):
16780         Remove padding0 and hardfp_offset.  Add locals_offset,
16781         initial_adjust, callee_adjust, callee_offset and final_adjust.
16782         * config/aarch64/aarch64.c (aarch64_layout_frame):
16783         Remove unused padding0 and hardfp_offset initializations.
16784         Choose frame layout and set frame variables accordingly.
16785         Use INVALID_REGNUM instead of FIRST_PSEUDO_REGISTER.
16786         (aarch64_push_regs): Use INVALID_REGNUM, not FIRST_PSEUDO_REGISTER.
16787         (aarch64_pop_regs): Likewise.
16788         (aarch64_expand_prologue): Remove all decision code, just emit
16789         prolog according to frame variables.
16790         (aarch64_expand_epilogue): Remove all decision code, just emit
16791         epilog according to frame variables.
16792         (aarch64_initial_elimination_offset): Use offset to local/arg area.
16794 2015-08-01  H.J. Lu  <hongjiu.lu@intel.com>
16796         PR target/72748
16797         * config/i386/i386.c (timode_scalar_chain::convert_insn): Call
16798         fix_debug_reg_uses after changing source register mode to
16799         V1TImode if source register is undefined.
16801 2015-08-01  Alan Hayward  <alan.hayward@arm.com>
16803         PR tree-optimization/71818
16804         * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Don't advance IVs
16805         with non invariant evolutions
16807 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
16809         PR target/72767
16810         * config/avr/avr.md (length) [branch]: Correct insn length
16811         attribute for forward branches.
16813 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
16815         * doc/extend.texi (AVR Built-in Functions): Document
16816         __builtin_avr_nops.
16817         * config/avr/builtins.def (NOPS): New.
16818         * config/avr/avr.c (avr_expand_nops): New static function.
16819         (avr_expand_builtin): Use it to handle AVR_BUILTIN_NOPS.
16821 2016-08-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16823         * config/aarch64/aarch64.c (aarch64_classify_address): Use DImode when
16824         performing aarch64_offset_7bit_signed_scaled_p check for TImode LDP/STP
16825         addresses.
16827 2016-08-01  Virendra Pathak  <virendra.pathak@broadcom.com>
16829         * config/aarch64/aarch64.c (vulcan_tunings): Update
16830         vulcan L1 cache_line_size.
16832 2016-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
16834         * config/rs6000/rs6000-protos.h (rs6000_adjust_vec_address): New
16835         function that takes a vector memory address, a hard register, an
16836         element number and a temporary base register, and recreates an
16837         address that points to the appropriate element within the vector.
16838         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Likewise.
16839         (rs6000_split_vec_extract_var): Add support for the target of a
16840         vec_extract with variable element number being a scalar memory
16841         location.
16842         (rtx_is_swappable_p): VLSO insns (UNSPEC_VSX_VSLOW) are not
16843         swappable.
16844         * config/rs6000/vsx.md (vsx_extract_<mode>_load): Replace
16845         vsx_extract_<mode>_load insn with a new insn that optimizes
16846         storing either element to a memory location, using scratch
16847         registers to pick apart the vector and reconstruct the address.
16848         (vsx_extract_<P:mode>_<VSX_D:mode>_load): Likewise.
16849         (vsx_extract_<mode>_store): Rework alternatives to more correctly
16850         support Altivec registers.  Add support for ISA 3.0 Altivec d-form
16851         store instruction.
16852         (vsx_extract_<mode>_var): Add support for extracting a variable
16853         element number from memory.
16855 2016-07-29  Georg-Johann Lay  <avr@gjlay.de>
16857         * config/avr/avr.c (avr_out_compare): Use const0_rtx instead of 0
16858         when testing for compares against constants of the form 0xabab.
16860 2016-07-29  Bin Cheng  <bin.cheng@arm.com>
16862         PR tree-optimization/57558
16863         * tree-vect-loop-manip.c (vect_create_cond_for_niters_checks): New
16864         function.
16865         (vect_loop_versioning): Support versioning with niter assumptions.
16866         * tree-vect-loop.c (tree-ssa-loop.h): Include header file.
16867         (vect_get_loop_niters): New parameter.  Reimplement to support
16868         assumptions in loop niter info.
16869         (vect_analyze_loop_form_1, vect_analyze_loop_form): Ditto.
16870         (new_loop_vec_info): Init LOOP_VINFO_NITERS_ASSUMPTIONS.
16871         (vect_estimate_min_profitable_iters): Use LOOP_REQUIRES_VERSIONING.
16872         Support loop versioning for niters.
16873         * tree-vectorizer.c (tree-ssa-loop-niter.h): Include header file.
16874         (vect_free_loop_info_assumptions): New function.
16875         (vectorize_loops): Free loop niter info for loops with flag
16876         LOOP_F_ASSUMPTIONS set if vectorization failed.
16877         * tree-vectorizer.h (struct _loop_vec_info): New field
16878         num_iters_assumptions.
16879         (LOOP_VINFO_NITERS_ASSUMPTIONS): New macro.
16880         (LOOP_REQUIRES_VERSIONING_FOR_NITERS): New macro.
16881         (LOOP_REQUIRES_VERSIONING): New macro.
16882         (vect_free_loop_info_assumptions): New decl.
16884 2016-07-29  Bin Cheng  <bin.cheng@arm.com>
16886         * cfgloop.h (struct loop): New field constraints.
16887         (LOOP_C_INFINITE, LOOP_C_FINITE): New macros.
16888         (loop_constraint_set, loop_constraint_clr, loop_constraint_set_p): New
16889         functions.
16890         * cfgloop.c (alloc_loop): Initialize new field.
16891         * cfgloopmanip.c (copy_loop_info): Copy constraints.
16892         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
16893         Adjust niter analysis wrto loop constraints.
16894         * doc/loop.texi (@node Number of iterations): Add description for loop
16895         constraints.
16897 2016-07-29  Marek Polacek  <polacek@redhat.com>
16899         PR c/7652
16900         * config/i386/i386.c (ix86_expand_args_builtin): Add break.
16901         (ix86_expand_round_builtin): Likewise.
16903 2016-07-29  Segher Boessenkool  <segher@kernel.crashing.org>
16904             Georg-Johann Lay  <avr@gjlay.de>
16906         PR rtl-optimization/71976
16907         * combine.c (get_last_value): Return 0 if the argument for which
16908         the function is called has a wider mode than the recorded value.
16910 2016-07-29  Marek Polacek  <polacek@redhat.com>
16912         PR c/7652
16913         * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
16914         (altivec_expand_st_builtin): Likewise.
16916 2016-07-29  Georg-Johann Lay  <avr@gjlay.de>
16918         * config/avr/avr.md (addqi3) [cc]: Revert glitch in insn attribute
16919         introduced in r238381.
16921 2016-07-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
16923         PR middle-end/68217
16924         * tree-vrp.c (extract_range_from_binary_expr_1): In case of signed
16925         & sign-bit-CST, generate [-INF, 0] instead of [-INF, INF].
16927 2016-07-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
16929         * config/rs6000/rs6000-protos.h (rs6000_split_vec_extract_var):
16930         New declaration.
16931         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16932         Add support for vec_extract of vector double or vector long having
16933         a variable element number on 64-bit ISA 2.07 systems or newer.
16934         * config/rs6000/rs6000.c (rs6000_expand_vector_extract):
16935         Likewise.
16936         (rs6000_split_vec_extract_var): New function to split a
16937         vec_extract built-in function with variable element number.
16938         (rtx_is_swappable_p): Variable vec_extracts and shifts are not
16939         swappable.
16940         * config/rs6000/vsx.md (UNSPEC_VSX_VSLO): New unspec.
16941         (UNSPEC_VSX_EXTRACT): Likewise.
16942         (vsx_extract_<mode>, VSX_D iterator): Fix constraints to allow
16943         direct move instructions to be generated on 64-bit ISA 2.07
16944         systems and newer, and to take advantage of the ISA 3.0 MFVSRLD
16945         instruction.
16946         (vsx_vslo_<mode>): New insn to do VSLO on V2DFmode and V2DImode
16947         arguments for vec_extract variable element.
16948         (vsx_extract_<mode>_var, VSX_D iterator): New insn to support
16949         vec_extract with variable element on V2DFmode and V2DImode
16950         vectors.
16951         * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): Remove
16952         -mupper-regs-df requirement, since it isn't needed.
16953         (TARGET_DIRECT_MOVE_64BIT): New macro to say whether we can
16954         do direct moves on 64-bit systems, which allows optimization of
16955         vec_extract on 64-bit ISA 2.07 systems and newer.
16957 2016-07-28  Kristina Martsenko  <kristina.martsenko@arm.com>
16958 2016-07-28  Wilco Dijkstra  <wdijkstr@arm.com>
16960          * config/aarch64/aarch64.md
16961         (zero_extend<SHORT:mode><GPI:mode>2_aarch64): Change output
16962         statement and type.
16963         (<optab>qihi2_aarch64): Likewise, and split into two.
16964         (extendqihi2_aarch64): New.
16965         (zero_extendqihi2_aarch64): New.
16966         * config/aarch64/iterators.md (ldrxt): Remove.
16967         * config/aarch64/aarch64.c (aarch64_rtx_costs): Change cost of
16968         uxtb/uxth.
16970 2016-07-28  Kristina Martsenko  <kristina.martsenko@arm.com>
16972         * config/aarch64/aarch64.c (aarch64_rtx_costs): Fix cost of zero extend.
16974 2016-07-28  Wilco Dijkstra  <wdijkstr@arm.com>
16976         * config/aarch64/aarch64.c (aarch64_pushwb_pair_reg): Rename.
16977         (aarch64_push_reg): New function to push 1 or 2 registers.
16978         (aarch64_pop_reg): New function to pop 1 or 2 registers.
16979         (aarch64_expand_prologue): Use aarch64_push_regs.
16980         (aarch64_expand_epilogue): Use aarch64_pop_regs.
16982 2016-07-28  Yuri Rumyantsev  <ysrumyan@gmail.com>
16984         PR tree-optimization/71734
16985         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Pass value of safelen
16986         attribute instead of REF_LOOP and use it.
16987         (ref_indep_loop_p_2): Use SAFELEN argument instead of REF_LOOP and
16988         set it for Loops having non-zero safelen attribute.
16989         (ref_indep_loop_p): Pass zero as initial value for safelen.
16991 2016-07-28  Ilya Enkovich  <ilya.enkovich@intel.com>
16993         PR middle-end/72657
16994         PR target/72683
16995         * tree-chkp.c (chkp_retbnd_call_by_val): Check for instrumentation
16996         call using chkp_gimple_call_builtin_p.
16997         (chkp_copy_bounds_for_assign): Likewise.
16999 2016-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17001         * config/alpha/alpha.c (alpha_adjust_cost): Adjust.
17002         * config/arm/arm-protos.h (struct tune_params): Likewise.
17003         * config/arm/arm.c (xscale_sched_adjust_cost): Likewise.
17004         (cortex_a9_sched_adjust_cost): Likewise.
17005         (fa726te_sched_adjust_cost): Likewise.
17006         (arm_adjust_cost): Likewise.
17007         * config/bfin/bfin.c (bfin_adjust_cost): Likewise.
17008         * config/c6x/c6x.c (c6x_adjust_cost): Likewise.
17009         * config/epiphany/epiphany.c (epiphany_adjust_cost): Likewise.
17010         * config/i386/i386.c (ix86_adjust_cost): Likewise.
17011         * config/ia64/ia64.c: Likewise.
17012         * config/m68k/m68k.c: Likewise.
17013         * config/mep/mep.c (mep_adjust_cost): Likewise.
17014         * config/microblaze/microblaze.c (microblaze_adjust_cost):
17015         * Likewise.
17016         * config/mips/mips.c (mips_adjust_cost): Likewise.
17017         * config/mn10300/mn10300.c (mn10300_adjust_sched_cost):
17018         * Likewise.
17019         * config/pa/pa.c (pa_adjust_cost): Likewise.
17020         * config/rs6000/rs6000.c (rs6000_adjust_cost): Likewise.
17021         (rs6000_debug_adjust_cost): Likewise.
17022         * config/sh/sh.c (sh_adjust_cost): Likewise.
17023         * config/sparc/sparc.c (supersparc_adjust_cost): Likewise.
17024         (hypersparc_adjust_cost): Likewise.
17025         (sparc_adjust_cost): Likewise.
17026         * config/spu/spu.c (spu_sched_adjust_cost): Likewise.
17027         * config/tilegx/tilegx.c (tilegx_sched_adjust_cost): Likewise.
17028         * config/tilepro/tilepro.c (tilepro_sched_adjust_cost):
17029         * Likewise.
17030         * config/visium/visium.c (visium_adjust_cost): Likewise.
17031         * doc/tm.texi: Regenerate.
17032         * haifa-sched.c (dep_cost_1): Adjust.
17033         * target.def: Merge adjust_cost and adjust_cost_2.
17035 2016-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17037         * haifa-sched.c (add_to_speculative_block): Make twins a vector.
17039 2016-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17041         * store-motion.c (struct st_expr): Make pattern_regs a vector.
17042         (extract_mentioned_regs): Append to a vector instead of
17043         returning a rtx_expr_list.
17044         (st_expr_entry): Adjust.
17045         (free_st_expr_entry): Likewise.
17046         (store_ops_ok): Likewise.
17047         (store_killed_in_insn): Likewise.
17048         (find_moveable_store): Likewise.
17050 2016-07-28  Martin Liska  <mliska@suse.cz>
17052         PR gcov-profile/68025
17053         * tree-profile.c (tree_profiling): Respect
17054         no_profile_instrument_function attribute.
17055         * doc/extend.texi: Document no_profile_instrument_function
17056         attribute.
17058 2016-07-28  Martin Liska  <mliska@suse.cz>
17060         PR rtl-optimization/70944
17061         * combine.c (make_compound_operation):
17062         Do not allow make_compound_operation for vector mode
17064 2016-07-28  Kugan Vivekanandarajah  <kuganv@linaro.org>
17066         PR middle-end/71994
17067         * tree-ssa-reassoc.c (maybe_optimize_range_tests): Check tcc_comparison
17068          before calling get_ops.
17070 2016-07-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17072         * defaults.h (LOG2_BITS_PER_UNIT): Move from here...
17073         * tree.h (LOG2_BITS_PER_UNIT): ...to here.
17074         (BITS_PER_UNIT_LOG): Remove.
17075         (int_bit_position): Use LOG2_BITS_PER_UNIT instead of BITS_PER_UNIT_LOG.
17076         * expr.c (expand_assignment): Likewise.
17077         * stor-layout.c (initialize_sizetypes): Likewise.
17079 2016-07-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
17081         * config/rs6000/vector.md (vec_extract<mode>): Change the calling
17082         signature of rs6000_expand_vector_extract so that the element
17083         number is a RTX instead of a constant integer.
17084         * config/rs6000/rs6000-protos.h (rs6000_expand_vector_extract):
17085         Likewise.
17086         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Likewise.
17087         (altivec_expand_vec_ext_builtin): Likewise.
17088         * config/rs6000/altivec.md (reduc_plus_scal_<mode>): Likewise.
17089         * config/rs6000/vsx.md (vsx_extract_<mode>): Fix spelling of the
17090         MFVSRLD instruction.
17092 2016-07-27  David Malcolm  <dmalcolm@redhat.com>
17094         * input.c (get_pure_location): Move here from tree.c.
17095         (make_location): Likewise.  Add header comment.
17096         (selftest::test_accessing_ordinary_linemaps): Verify
17097         pure_location_p, make_location, get_location_from_adhoc_loc and
17098         get_range_from_loc.
17099         * input.h (get_pure_location): Move declaration here from tree.h.
17100         (get_finish): Likewise for inline function.
17101         (make_location): Likewise for declaration.
17102         * tree.c (get_pure_location): Move to input.c.
17103         (make_location): Likewise.
17104         * tree.h (get_pure_location): Move declaration to tree.h.
17105         (get_finish): Likewise for inline function.
17106         (make_location): Likewise for declaration.
17108 2016-07-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17110         PR middle-end/71078
17111         * match.pd (x / abs(x) -> copysign(1.0, x)): New pattern.
17113 2016-07-27  David Malcolm  <dmalcolm@redhat.com>
17115         * system.h (STATIC_ASSERT): Use static_assert if building
17116         with C++11 onwards.
17118 2016-07-27  Richard Biener  <rguenther@suse.de>
17120         PR tree-optimization/72517
17121         * tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
17122         Revert change to not compute read-read dependences.
17124 2016-07-27  Richard Biener  <rguenther@suse.de>
17126         * predict.c (set_even_probabilities): Make nedges unsigned.
17128 2016-07-27  Martin Liska  <mliska@suse.cz>
17130         * predict.c (set_even_probabilities): Handle unlikely edges.
17131         (combine_predictions_for_bb): Likewise.
17133 2016-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
17135         PR target/71869
17136         * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
17137         __float128 support when we don't have hardware support, so that
17138         the IEEE built-in functions like isgreater, first call __unordkf3
17139         to make sure neither operand is a NaN, and if both operands are
17140         ordered, do the normal comparison.
17142 2016-07-26  Patrick Palka  <ppalka@gcc.gnu.org>
17144         * tree-vrp.c (dump_asserts_for): Print loc->expr instead of
17145         name.
17146         (extract_code_and_val_from_cond_with_ops): Verify that name is
17147         either cond_op0 or cond_op1.
17149 2016-07-26  Patrick Palka  <ppalka@gcc.gnu.org>
17151         PR tree-optimization/18046
17152         * genmodes.c (emit_mode_size_inline): Emit an assert that
17153         verifies that mode is a valid array index.
17154         (emit_mode_nuinits_inline): Likewise.
17155         (emit_mode_inner_inline): Likewise.
17156         (emit_mode_unit_size_inline): Likewise.
17157         (emit_mode_unit_precision_inline): Likewise.
17158         * tree-vrp.c: Include params.h.
17159         (find_switch_asserts): Register edge assertions for the default
17160         label which correspond to the anti-ranges of each case label.
17161         * params.def (PARAM_MAX_VRP_SWITCH_ASSERTIONS): New.
17162         * doc/invoke.texi: Document it.
17164 2016-07-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17166         * gimple-ssa-strength-reduction.c (slsr_process_phi): Remove dead
17167         and unnecessary call to gimple_bb.
17169 2016-07-26  Richard Biener  <rguenther@suse.de>
17171         PR rtl-optimization/71984
17172         * simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare
17173         for VOIDmode.
17175 2016-07-26  Richard Biener  <rguenther@suse.de>
17177         PR middle-end/72517
17178         * expmed.c (extract_bit_field_1): Constrain the vector mode
17179         with element size matching the extraction mode size when
17180         choosing a better vector mode to do the extraction from.
17182 2016-07-26  Richard Biener  <rguenther@suse.de>
17183             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17185         PR middle-end/70920
17186         * match.pd ((intptr)x eq/ne CST to x eq/ne (typeof x) CST): New
17187         pattern.
17189 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17191         * tree-ssa-structalias.c (struct scc_info): Change types of
17192         members to auto_sbitmap and auto_vec.
17193         (scc_info::scc_info): New constructor.
17194         (scc_info::~scc_info): New destructor.
17195         (init_scc_info): Remove.
17196         (free_scc_info): Remove.
17197         (find_indirect_cycles): Adjust.
17198         (perform_var_substitution): Likewise.
17199         (free_var_substitution_info): Likewise.
17201 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17203         * tree-outof-ssa.c (struct elim_graph): Change type of members
17204         to auto_vec and auto_sbitmap.
17205         (elim_graph::elim_graph): New constructor.
17206         (delete_elim_graph): Remove.
17207         (expand_phi_nodes): Adjust.
17209 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17211         * tree-outof-ssa.c (struct elim_graph): Remove typedef.
17212         (new_elim_graph): Adjust.
17213         (clear_elim_graph): Likewise.
17214         (delete_elim_graph): Likewise.
17215         (elim_graph_size): Likewise.
17216         (elim_graph_add_node): Likewise.
17217         (elim_graph_add_edge): Likewise.
17218         (elim_graph_remove_succ_edge): Likewise.
17219         (eliminate_name): Likewise.
17220         (eliminate_build): Likewise.
17221         (elim_forward): Likewise.
17222         (elim_unvisited_predecessor): Likewise.
17223         (elim_backward): Likewise.
17224         (elim_create): Likewise.
17225         (eliminate_phi): Likewise.
17226         (expand_phi_nodes): Likewise.
17228 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17230         * bt-load.c (compute_out): Use auto_sbitmap class.
17231         (link_btr_uses): Likewise.
17232         * cfganal.c (mark_dfs_back_edges): Likewise.
17233         (post_order_compute): Likewise.
17234         (inverted_post_order_compute): Likewise.
17235         (pre_and_rev_post_order_compute_fn): Likewise.
17236         (single_pred_before_succ_order): Likewise.
17237         * cfgexpand.c (pass_expand::execute): Likewise.
17238         * cfgloop.c (verify_loop_structure): Likewise.
17239         * cfgloopmanip.c (fix_bb_placements): Likewise.
17240         (remove_path): Likewise.
17241         (update_dominators_in_loop): Likewise.
17242         * cfgrtl.c (break_superblocks): Likewise.
17243         * ddg.c (check_sccs): Likewise.
17244         (create_ddg_all_sccs): Likewise.
17245         * df-core.c (df_worklist_dataflow): Likewise.
17246         * dse.c (dse_step3): Likewise.
17247         * except.c (eh_region_outermost): Likewise.
17248         * function.c (thread_prologue_and_epilogue_insns): Likewise.
17249         * gcse.c (prune_expressions): Likewise.
17250         (prune_insertions_deletions): Likewise.
17251         * gimple-ssa-backprop.c (backprop::~backprop): Likewise.
17252         * graph.c (draw_cfg_nodes_no_loops): Likewise.
17253         * ira-lives.c (remove_some_program_points_and_update_live_ranges): Likewise.
17254         * lcm.c (compute_earliest): Likewise.
17255         (compute_farthest): Likewise.
17256         * loop-unroll.c (unroll_loop_constant_iterations): Likewise.
17257         (unroll_loop_runtime_iterations): Likewise.
17258         (unroll_loop_stupid): Likewise.
17259         * lower-subreg.c (decompose_multiword_subregs): Likewise.
17260         * lra-lives.c: Likewise.
17261         * lra.c (lra): Likewise.
17262         * modulo-sched.c (schedule_reg_moves): Likewise.
17263         (optimize_sc): Likewise.
17264         (get_sched_window): Likewise.
17265         (sms_schedule_by_order): Likewise.
17266         (check_nodes_order): Likewise.
17267         (order_nodes_of_sccs): Likewise.
17268         (order_nodes_in_scc): Likewise.
17269         * recog.c (split_all_insns): Likewise.
17270         * regcprop.c (pass_cprop_hardreg::execute): Likewise.
17271         * reload1.c (reload): Likewise.
17272         * sched-rgn.c (haifa_find_rgns): Likewise.
17273         (split_edges): Likewise.
17274         (compute_trg_info): Likewise.
17275         * sel-sched.c (init_seqno): Likewise.
17276         * store-motion.c (remove_reachable_equiv_notes): Likewise.
17277         * tree-into-ssa.c (update_ssa): Likewise.
17278         * tree-ssa-live.c (live_worklist): Likewise.
17279         * tree-ssa-loop-im.c (fill_always_executed_in): Likewise.
17280         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
17281         * Likewise.
17282         (try_peel_loop): Likewise.
17283         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
17284         * Likewise.
17285         * tree-ssa-pre.c (compute_antic): Likewise.
17286         * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
17287         * tree-stdarg.c (reachable_at_most_once): Likewise.
17288         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Likewise.
17289         * var-tracking.c (vt_find_locations): Likewise.
17291 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
17293         * sbitmap.h (auto_sbitmap): New class.
17295 2016-07-26  Alan Modra  <amodra@gmail.com>
17297         PR target/72103
17298         * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
17299         sri->t_icode.
17301 2016-07-25  David Malcolm  <dmalcolm@redhat.com>
17303         * input.c (selftest::temp_source_file::temp_source_file): Fix
17304         missing "%s" in fprintf.
17306 2016-07-25  John David Anglin  <danglin@gcc.gnu.org>
17308         PR middle-end/71732
17309         * cselib.c (cselib_process_insn): Invalidate argument slots for
17310         const/pure calls.
17312 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17314         * config/aarch64/arm_neon.h (vfmah_lane_f16, vfmah_laneq_f16,
17315         vfmsh_lane_f16, vfmsh_laneq_f16, vmulh_lane_f16, vmulh_laneq_f16,
17316         vmulxh_lane_f16, vmulxh_laneq_f16): New.
17318 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17320         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
17321         * config/aarch64/aarch64.md (fma, fnma): Support HF.
17322         * config/aarch64/arm_fp16.h (vfmah_f16, vfmsh_f16): New.
17324 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17326         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
17327         * config/aarch64/aarch64.md (<FCVT_F2FIXED:fcvt_fixed_insn>hf<mode>3):
17328         New.
17329         (<FCVT_FIXED2F:fcvt_fixed_insn><mode>hf3): Likewise.
17330         (add<mode>3): Likewise.
17331         (sub<mode>3): Likewise.
17332         (mul<mode>3): Likewise.
17333         (div<mode>3): Likewise.
17334         (*div<mode>3): Likewise.
17335         (<fmaxmin><mode>3): Extend to HF.
17336         * config/aarch64/aarch64-simd.md (aarch64_rsqrts<mode>): Likewise.
17337         (fabd<mode>3): Likewise.
17338         (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_HSDF:mode>3): Likewise.
17339         (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_HSDI:mode>3): Likewise.
17340         (aarch64_fmulx<mode>): Likewise.
17341         (aarch64_fac<optab><mode>): Likewise.
17342         (aarch64_frecps<mode>): Likewise.
17343         (<FCVT_F2FIXED:fcvt_fixed_insn>hfhi3): New.
17344         (<FCVT_FIXED2F:fcvt_fixed_insn>hihf3): Likewise.
17345         * config/aarch64/iterators.md (VHSDF_SDF): Delete.
17346         (VSDQ_HSDI): Support HI.
17347         (fcvt_target, FCVT_TARGET): Likewise.
17348         * config/aarch64/arm_fp16.h (vaddh_f16, vsubh_f16, vabdh_f16,
17349         vcageh_f16, vcagth_f16, vcaleh_f16, vcalth_f16, vceqh_f16, vcgeh_f16,
17350         vcgth_f16, vcleh_f16, vclth_f16, vcvth_n_f16_s16, vcvth_n_f16_s32,
17351         vcvth_n_f16_s64, vcvth_n_f16_u16, vcvth_n_f16_u32, vcvth_n_f16_u64,
17352         vcvth_n_s16_f16, vcvth_n_s32_f16, vcvth_n_s64_f16, vcvth_n_u16_f16,
17353         vcvth_n_u32_f16, vcvth_n_u64_f16, vdivh_f16, vmaxh_f16, vmaxnmh_f16,
17354         vminh_f16, vminnmh_f16, vmulh_f16, vmulxh_f16, vrecpsh_f16,
17355         vrsqrtsh_f16): New.
17357 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17359         * config.gcc (aarch64*-*-*): Install arm_fp16.h.
17360         * config/aarch64/aarch64-builtins.c (hi_UP): New.
17361         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
17362         * config/aarch64/aarch64-simd.md (aarch64_frsqrte<mode>): Extend to HF
17363         mode.
17364         (aarch64_frecp<FRECP:frecp_suffix><mode>): Likewise.
17365         (aarch64_cm<optab><mode>): Likewise.
17366         * config/aarch64/aarch64.md (<frint_pattern><mode>2): Likewise.
17367         (l<fcvt_pattern><su_optab><GPF:mode><GPI:mode>2): Likewise.
17368         (fix_trunc<GPF:mode><GPI:mode>2): Likewise.
17369         (sqrt<mode>2): Likewise.
17370         (*sqrt<mode>2): Likewise.
17371         (abs<mode>2): Likewise.
17372         (<optab><mode>hf2): New pattern for HF mode.
17373         (<optab>hihf2): Likewise.
17374         * config/aarch64/arm_neon.h: Include arm_fp16.h.
17375         * config/aarch64/iterators.md (GPF_F16, GPI_F16, VHSDF_HSDF): New.
17376         (w1, w2, v, s, q, Vmtype, V_cmp_result, fcvt_iesize, FCVT_IESIZE):
17377         Support HF mode.
17378         * config/aarch64/arm_fp16.h: New file.
17379         (vabsh_f16, vceqzh_f16, vcgezh_f16, vcgtzh_f16, vclezh_f16, vcltzh_f16,
17380         vcvth_f16_s16, vcvth_f16_s32, vcvth_f16_s64, vcvth_f16_u16,
17381         vcvth_f16_u32, vcvth_f16_u64, vcvth_s16_f16, vcvth_s32_f16,
17382         vcvth_s64_f16, vcvth_u16_f16, vcvth_u32_f16, vcvth_u64_f16,
17383         vcvtah_s16_f16, vcvtah_s32_f16, vcvtah_s64_f16, vcvtah_u16_f16,
17384         vcvtah_u32_f16, vcvtah_u64_f16, vcvtmh_s16_f16, vcvtmh_s32_f16,
17385         vcvtmh_s64_f16, vcvtmh_u16_f16, vcvtmh_u32_f16, vcvtmh_u64_f16,
17386         vcvtnh_s16_f16, vcvtnh_s32_f16, vcvtnh_s64_f16, vcvtnh_u16_f16,
17387         vcvtnh_u32_f16, vcvtnh_u64_f16, vcvtph_s16_f16, vcvtph_s32_f16,
17388         vcvtph_s64_f16, vcvtph_u16_f16, vcvtph_u32_f16, vcvtph_u64_f16,
17389         vnegh_f16, vrecpeh_f16, vrecpxh_f16, vrndh_f16, vrndah_f16, vrndih_f16,
17390         vrndmh_f16, vrndnh_f16, vrndph_f16, vrndxh_f16, vrsqrteh_f16,
17391         vsqrth_f16): New.
17393 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17395         * config/aarch64/aarch64-simd-builtins.def (reduc_smax_scal_,
17396         reduc_smin_scal_): Use VDQIF_F16.
17397         (reduc_smax_nan_scal_, reduc_smin_nan_scal_): Use VHSDF.
17398         * config/aarch64/aarch64-simd.md (reduc_<maxmin_uns>_scal_<mode>):
17399         Use VHSDF.
17400         (aarch64_reduc_<maxmin_uns>_internal<mode>): Likewise.
17401         * config/aarch64/iterators.md (VDQIF_F16): New.
17402         (vp): Support HF modes.
17403         * config/aarch64/arm_neon.h (vmaxv_f16, vmaxvq_f16, vminv_f16,
17404         vminvq_f16, vmaxnmv_f16, vmaxnmvq_f16, vminnmv_f16, vminnmvq_f16): New.
17406 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17408         * config/aarch64/aarch64-simd.md (*aarch64_mulx_elt_to_64v2df): Rename to
17409         "*aarch64_mulx_elt_from_dup<mode>".
17410         (*aarch64_mul3_elt<mode>): Update schedule type.
17411         (*aarch64_mul3_elt_from_dup<mode>): Likewise.
17412         (*aarch64_fma4_elt_from_dup<mode>): Likewise.
17413         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
17414         * config/aarch64/iterators.md (VMUL): Supprt half precision float modes.
17415         (f, fp): Support HF modes.
17416         * config/aarch64/arm_neon.h (vfma_lane_f16, vfmaq_lane_f16,
17417         vfma_laneq_f16, vfmaq_laneq_f16, vfma_n_f16, vfmaq_n_f16, vfms_lane_f16,
17418         vfmsq_lane_f16, vfms_laneq_f16, vfmsq_laneq_f16, vfms_n_f16,
17419         vfmsq_n_f16, vmul_lane_f16, vmulq_lane_f16, vmul_laneq_f16,
17420         vmulq_laneq_f16, vmul_n_f16, vmulq_n_f16, vmulx_lane_f16,
17421         vmulxq_lane_f16, vmulx_laneq_f16, vmulxq_laneq_f16): New.
17423 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17425         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
17426         * config/aarch64/aarch64-simd.md (fma<mode>4, fnma<mode>4): Extend to HF
17427         modes.
17428         * config/aarch64/arm_neon.h (vfma_f16, vfmaq_f16, vfms_f16,
17429         vfmsq_f16): New.
17431 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17433         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
17434         * config/aarch64/aarch64-simd.md
17435         (aarch64_rsqrts<mode>): Extend to HF modes.
17436         (fabd<mode>3): Likewise.
17437         (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_SDF:mode>3): Likewise.
17438         (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_SDI:mode>3): Likewise.
17439         (aarch64_<maxmin_uns>p<mode>): Likewise.
17440         (<su><maxmin><mode>3): Likewise.
17441         (<maxmin_uns><mode>3): Likewise.
17442         (<fmaxmin><mode>3): Likewise.
17443         (aarch64_faddp<mode>): Likewise.
17444         (aarch64_fmulx<mode>): Likewise.
17445         (aarch64_frecps<mode>): Likewise.
17446         (*aarch64_fac<optab><mode>): Rename to aarch64_fac<optab><mode>.
17447         (add<mode>3): Extend to HF modes.
17448         (sub<mode>3): Likewise.
17449         (mul<mode>3): Likewise.
17450         (div<mode>3): Likewise.
17451         (*div<mode>3): Likewise.
17452         * config/aarch64/aarch64.c (aarch64_emit_approx_div): Return false for
17453         HF, V4HF and V8HF.
17454         * config/aarch64/iterators.md (VDQ_HSDI, VSDQ_HSDI): New mode iterator.
17455         * config/aarch64/arm_neon.h (vadd_f16, vaddq_f16, vabd_f16, vabdq_f16,
17456         vcage_f16, vcageq_f16, vcagt_f16, vcagtq_f16, vcale_f16, vcaleq_f16,
17457         vcalt_f16, vcaltq_f16, vceq_f16, vceqq_f16, vcge_f16, vcgeq_f16,
17458         vcgt_f16, vcgtq_f16, vcle_f16, vcleq_f16, vclt_f16, vcltq_f16,
17459         vcvt_n_f16_s16, vcvtq_n_f16_s16, vcvt_n_f16_u16, vcvtq_n_f16_u16,
17460         vcvt_n_s16_f16, vcvtq_n_s16_f16, vcvt_n_u16_f16, vcvtq_n_u16_f16,
17461         vdiv_f16, vdivq_f16, vdup_lane_f16, vdup_laneq_f16, vdupq_lane_f16,
17462         vdupq_laneq_f16, vdups_lane_f16, vdups_laneq_f16, vmax_f16, vmaxq_f16,
17463         vmaxnm_f16, vmaxnmq_f16, vmin_f16, vminq_f16, vminnm_f16, vminnmq_f16,
17464         vmul_f16, vmulq_f16, vmulx_f16, vmulxq_f16, vpadd_f16, vpaddq_f16,
17465         vpmax_f16, vpmaxq_f16, vpmaxnm_f16, vpmaxnmq_f16, vpmin_f16, vpminq_f16,
17466         vpminnm_f16, vpminnmq_f16, vrecps_f16, vrecpsq_f16, vrsqrts_f16,
17467         vrsqrtsq_f16, vsub_f16, vsubq_f16): New.
17469 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17471         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New.
17472         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
17473         * config/aarch64/aarch64-simd.md (aarch64_rsqrte<mode>): Extend to HF modes.
17474         (neg<mode>2): Likewise.
17475         (abs<mode>2): Likewise.
17476         (<frint_pattern><mode>2): Likewise.
17477         (l<fcvt_pattern><su_optab><VDQF:mode><fcvt_target>2): Likewise.
17478         (<optab><VDQF:mode><fcvt_target>2): Likewise.
17479         (<fix_trunc_optab><VDQF:mode><fcvt_target>2): Likewise.
17480         (ftrunc<VDQF:mode>2): Likewise.
17481         (<optab><fcvt_target><VDQF:mode>2): Likewise.
17482         (sqrt<mode>2): Likewise.
17483         (*sqrt<mode>2): Likewise.
17484         (aarch64_frecpe<mode>): Likewise.
17485         (aarch64_cm<optab><mode>): Likewise.
17486         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Return false for
17487         HF, V4HF and V8HF.
17488         * config/aarch64/iterators.md (VHSDF, VHSDF_DF, VHSDF_SDF): New.
17489         (VDQF_COND, fcvt_target, FCVT_TARGET, hcon): Extend mode attribute to HF modes.
17490         (stype): New.
17491         * config/aarch64/arm_neon.h (vdup_n_f16): New.
17492         (vdupq_n_f16): Likewise.
17493         (vld1_dup_f16): Use vdup_n_f16.
17494         (vld1q_dup_f16): Use vdupq_n_f16.
17495         (vabs_f16, vabsq_f16, vceqz_f16, vceqzq_f16, vcgez_f16, vcgezq_f16,
17496         vcgtz_f16, vcgtzq_f16, vclez_f16, vclezq_f16, vcltz_f16, vcltzq_f16,
17497         vcvt_f16_s16, vcvtq_f16_s16, vcvt_f16_u16, vcvtq_f16_u16, vcvt_s16_f16,
17498         vcvtq_s16_f16, vcvt_u16_f16, vcvtq_u16_f16, vcvta_s16_f16,
17499         vcvtaq_s16_f16, vcvta_u16_f16, vcvtaq_u16_f16, vcvtm_s16_f16,
17500         vcvtmq_s16_f16, vcvtm_u16_f16, vcvtmq_u16_f16, vcvtn_s16_f16,
17501         vcvtnq_s16_f16, vcvtn_u16_f16, vcvtnq_u16_f16, vcvtp_s16_f16,
17502         vcvtpq_s16_f16, vcvtp_u16_f16, vcvtpq_u16_f16, vneg_f16, vnegq_f16,
17503         vrecpe_f16, vrecpeq_f16, vrnd_f16, vrndq_f16, vrnda_f16, vrndaq_f16,
17504         vrndi_f16, vrndiq_f16, vrndm_f16, vrndmq_f16, vrndn_f16, vrndnq_f16,
17505         vrndp_f16, vrndpq_f16, vrndx_f16, vrndxq_f16, vrsqrte_f16, vrsqrteq_f16,
17506         vsqrt_f16, vsqrtq_f16): New.
17508 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17510         * config/aarch64/aarch64-simd.md
17511         (aarch64_<PERMUTE:perm_insn><PERMUTE:perm_hilo><mode>): Use VALL_F16.
17512         (aarch64_ext<mode>): Likewise.
17513         (aarch64_rev<REVERSE:rev_op><mode>): Likewise.
17514         * config/aarch64/aarch64.c (aarch64_evpc_trn, aarch64_evpc_uzp,
17515         aarch64_evpc_zip, aarch64_evpc_ext, aarch64_evpc_rev): Support V4HFmode
17516         and V8HFmode.
17517         * config/aarch64/arm_neon.h (__INTERLEAVE_LIST): Support float16x4_t,
17518         float16x8_t.
17519         (__aarch64_vdup_lane_f16, __aarch64_vdup_laneq_f16,
17520         __aarch64_vdupq_lane_f16, __aarch64_vdupq_laneq_f16, vbsl_f16,
17521         vbslq_f16, vdup_n_f16, vdupq_n_f16, vdup_lane_f16, vdup_laneq_f16,
17522         vdupq_lane_f16, vdupq_laneq_f16, vduph_lane_f16, vduph_laneq_f16,
17523         vext_f16, vextq_f16, vmov_n_f16, vmovq_n_f16, vrev64_f16, vrev64q_f16,
17524         vtrn1_f16, vtrn1q_f16, vtrn2_f16, vtrn2q_f16, vtrn_f16, vtrnq_f16,
17525         vuzp1_f16, vuzp1q_f16, vuzp2_f16, vuzp2q_f16, vzip1_f16, vzip2q_f16):
17526         New.
17527         (vmov_n_f16): Reimplement using vdup_n_f16.
17528         (vmovq_n_f16): Reimplement using vdupq_n_f16..
17530 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17532         * config/aarch64/aarch64.c (aarch64_add_constant): New parameter
17533         "frame_related_p".  Generate CFA annotation when it's necessary.
17534         (aarch64_expand_prologue): Use aarch64_add_constant.
17535         (aarch64_expand_epilogue): Likewise.
17536         (aarch64_output_mi_thunk): Pass "false" when calling
17537         aarch64_add_constant.
17539 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17541         * config/aarch64/aarch64.c (aarch64_add_constant): Optimize instruction
17542         sequences.
17544 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
17546         * config/aarch64/aarch64.c (aarch64_add_constant): New parameter "mode".
17547         Use aarch64_internal_mov_immediate instead of aarch64_build_constant.
17548         (aarch64_output_mi_thunk): Pass Pmode when calling aarch64_add_constant.
17549         (aarch64_build_constant): Delete.
17551 2016-07-25  Alexander Monakov  <amonakov@ispras.ru>
17553         Revert
17554         2016-07-20  Alexander Monakov  <amonakov@ispras.ru>
17556         * config/nvptx/nvptx.c (nvptx_option_override): Do not set
17557         flag_toplevel_reorder.
17559 2016-07-25  Richard Biener  <rguenther@suse.de>
17561         * cgraph.c (cgraph_node::verify_node): Compare against builtin
17562         by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
17563         * tree-chkp.c (chkp_gimple_call_builtin_p): Likewise.
17564         * tree-streamer.h (streamer_handle_as_builtin_p): Remove.
17565         (streamer_get_builtin_tree): Likewise.
17566         (streamer_write_builtin): Likewise.
17567         * lto-streamer.h (LTO_builtin_decl): Remove.
17568         * lto-streamer-in.c (lto_read_tree_1): Remove assert.
17569         (lto_input_scc): Remove LTO_builtin_decl handling.
17570         (lto_input_tree_1): Liekwise.
17571         * lto-streamer-out.c (lto_output_tree_1): Remove special
17572         handling of builtins.
17573         (DFS::DFS): Likewise.
17574         * tree-streamer-in.c (streamer_get_builtin_tree): Remove.
17575         * tree-streamer-out.c (pack_ts_function_decl_value_fields): Remove
17576         assert.
17577         (streamer_write_builtin): Remove.
17579 2016-07-25  Martin Liska  <mliska@suse.cz>
17581         * lto-cgraph.c (input_symtab): Don't call get_working_sets
17582         if flag_auto_profile is set to true.
17584 2016-07-25  Martin Liska  <mliska@suse.cz>
17586         PR gcov-profile/71868
17587         * cfgloopanal.c (expected_loop_iterations_unbounded): When we
17588         have a function with multiple latches, count them all.
17590 2016-07-25  Martin Liska  <mliska@suse.cz>
17592         * tree-ssa-loop-niter.c (loop_only_exit_p): Release body array.
17594 2016-07-25  Martin Liska  <mliska@suse.cz>
17596         PR tree-optimization/71987
17597         * tree-ssa-reassoc.c (maybe_optimize_range_tests): Call get_ops
17598         just for SSA_NAMEs. Fix GNU coding style.
17600 2016-07-25  Martin Liska  <mliska@suse.cz>
17602         PR gcov-profile/64874
17603         * gcov-io.h: Update command about file format.
17604         * gcov-iov.c (main): Adapt the numbering scheme.
17606 2016-07-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
17608         PR middle-end/66726
17609         * tree-ssa-reassoc.c (optimize_vec_cond_expr): Handle tcc_compare stmt
17610         whose result is used in PHI.
17611         (final_range_test_p): Likewise.
17612         (maybe_optimize_range_tests): Likewise.
17614 2016-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
17616         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17617         Reformat two multi-line strings.
17619 2016-07-22  Martin Sebor  <msebor@redhat.com>
17621         * doc/extend.texi (Compound Literals): Add '@' missed in last commit.
17623 2016-07-22  Martin Sebor  <msebor@redhat.com>
17625         PR c/71560
17626         * doc/extend.texi (Compound Literals): Correct and clarify.
17627         (Cast to Union): Same.
17629 2016-07-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17631         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
17632         comments to explain why certain error messages make mention of
17633         undocumented options.
17634         (rs6000_invalid_builtin): Change error messages to replace mention
17635         of undocumented options with mention of the -mcpu=power9 option
17636         that enables those undocumented options.
17637         * config/rs6000/rs6000.h (MASK_FLOAT128): New macro.
17638         (RS6000_BTM_FLOAT128): Use the new MASK_FLOAT128 macro in the
17639         definition of this macro to correct an existing error.
17640         * config/rs6000/rs6000.opt: Add the Undocumented qualifier to the
17641         mpower9-fusion, mpower9-vector, mpower9-dform, and mmodulo entries.
17642         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Modify
17643         descriptions of built-in functions so that they depend on
17644         -mcpu=power9 instead of on the corresponding undocumented flags.
17645         * doc/invoke.texi (Option Summary):  Remove all mention of newly
17646         undocumented flags.
17647         (IBM RS/6000 and PowerPC Options): Likewise.
17648         * doc/md.texi (Constraints for Particuliar Machines): Remove all
17649         mention of newly undocumented flags.
17651 2016-07-22  Evgeny Stupachenko  <evstupac@gmail.com>
17653         * ipa-cp.c (determine_versionability): Do not create constprop clones,
17654         when target_clones attribute is set.
17656 2016-07-22  Bin Cheng  <bin.cheng@arm.com>
17658         * common.opt (funsafe-loop-optimizations): Mark ignore.
17659         * doc/invoke.texi (funsafe-loop-optimizations): Remove.
17660         * loop-iv.c (get_simple_loop_desc): Remove unsafe-loop-optimizations
17661         related code.
17662         * tree-ssa-loop-niter.c (finite_loop_p): Ditto.
17663         * config/bfin/bfin.c (bfin_can_use_doloop_p): Ditto.
17665 2016-07-22  Bin Cheng  <bin.cheng@arm.com>
17667         * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
17668         Parameter.
17669         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
17670         Parameter.
17671         (number_of_iterations_exit): Warn missed loop optimization for
17672         possible infinite loops.
17674 2016-07-22  Segher Boessenkool  <segher@kernel.crashing.org>
17676         PR target/71216
17677         * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
17678         when to emit a ".machine" pseudo-op.
17680 2016-07-22  Martin Liska  <mliska@suse.cz>
17682         PR gcov-profile/69028
17683         PR gcov-profile/62047
17684         * coverage.c (coverage_compute_lineno_checksum): Do not
17685         calculate checksum for fns w/o xloc.file.
17686         (coverage_compute_profile_id): Likewise.
17688 2016-07-22  Georg-Johann Lay  <avr@gjlay.de>
17690         * config/avr/avr.c (TARGET_SECONDARY_RELOAD): Remove hook define...
17691         (avr_secondary_reload): ...and implementation.
17692         (avr_adjust_insn_length) [ADJUST_LEN_LPM]: Remove handling.
17693         * config/avr/avr.md (reload_in<mode>): Remove insns.
17694         (adjust_len) [lpm]: Remove insn attribute value.
17695         * config/avr/predicates.md (flash_operand): Remove insn predicate.
17697 2016-07-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17699         PR middle-end/71876
17700         * builtin-attrs.def (ATTR_RT_NOTHROW_LEAF_LIST): New return twice
17701         attribute.
17702         * builtins.def (BUILT_IN_SETJMP): Use ATTR_RT_NOTHROW_LEAF_LIST here.
17703         * calls.c (special_function_p): Remove the special handling of the
17704         "__builtin_" prefix.
17706 2016-07-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17708         PR middle-end/71876
17709         * calls.c (gimple_maybe_alloca_call_p): New function.  Return true
17710         if STMT may be an alloca call.
17711         (gimple_alloca_call_p, alloca_call_p): Return only true for the
17712         builtin alloca call.
17713         * calls.h (gimple_maybe_alloca_call_p): New function.
17714         * tree-inline.c (inline_forbidden_p_stmt): Use
17715         gimple_maybe_alloca_call_p here.
17717 2016-07-21  David Malcolm  <dmalcolm@redhat.com>
17719         * spellcheck-tree.c (best_macro_match::best_macro_match):
17720         Explictly specify the template arguments when invoking the base
17721         class constructor, to help older C++ compilers.
17723 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
17725         PR sanitizer/71953
17726         * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
17727         before builtin_decl_implicit.
17729 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
17731         * optabs.c (emit_condiitonal_move): Short circuit for identical
17732         sources.
17734 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
17736         * ifcvt.c (noce_if_info): New fields: speed_p, original_cost,
17737         max_seq_cost.  Removed fields: then_cost, else_cost, branch_cost.
17738         (noce_conversion_profitable_p): New.
17739         (noce_try_store_flag_constants): Use it.
17740         (noce_try_addcc): Likewise.
17741         (noce_try_store_flag_mask): Likewise.
17742         (noce_try_cmove): Likewise.
17743         (noce_try_cmove_arith): Likewise.
17744         (bb_valid_for_noce_process_p): Add to the cost parameter rather than
17745         overwriting it.
17746         (noce_convert_multiple_sets): Move cost model to here, from...
17747         (bb_ok_for_noce_convert_multiple_sets) ...here.
17748         (noce_process_if_block): Update calls for above changes.
17749         (noce_find_if_block): Record new noce_if_info parameters.
17751 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
17753         * target.def (max_noce_ifcvt_seq_cost): New.
17754         * doc/tm.texi.in (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Document it.
17755         * doc/tm.texi: Regenerate.
17756         * targhooks.h (default_max_noce_ifcvt_seq_cost): New.
17757         * targhooks.c (default_max_noce_ifcvt_seq_cost): New.
17758         * params.def (PARAM_MAX_RTL_IF_CONVERSION_PREDICTABLE_COST): New.
17759         (PARAM_MAX_RTL_IF_CONVERSION_UNPREDICTABLE_COST): Likewise.
17760         * doc/invoke.texi: Document new params.
17762 2016-07-21  Richard Biener  <rguenther@suse.de>
17764         PR tree-optimization/71947
17765         * tree-vrp.c (extract_range_from_assert): Singleton symbolic
17766         ranges have useful limit_vr information.
17768 2016-07-21  Richard Biener  <rguenther@suse.de>
17770         * function-tests.c (build_trivial_generic_function): Set
17771         BLOCK_SUPERCONTEXT of DECL_INITIAL.
17772         * omp-low.c (create_omp_child_function): Likewise.
17773         (grid_expand_target_grid_body): Likewise.
17774         * cgraphunit.c (init_lowered_empty_function): Likewise.
17775         (cgraph_node::expand_thunk): Likewise.
17776         * tree-parloops.c (create_loop_fn): Likewise.
17777         * ipa.c (cgraph_build_static_cdtor_1): Likewise.
17779 2016-07-21  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17781         * tree-ssa-strlen.c (strlen_dom_walker::before_dom_children): Fix typo
17782         in comment.
17784 2016-07-21  Georg-Johann Lay  <avr@gjlay.de>
17786         * config/avr/avr.md (any_extract, any_shiftrt): New code iterators.
17787         (*insv.extract, *insv.shiftrt, *insv.not-bit.0, *insv.not-bit.7)
17788         (*insv.xor-extract, *insv.xor1-bit.0): New insns.
17789         (adjust_len) [insv_notbit, insv_notbit_0, insv_notbit_7]: New
17790         values for insn attribute.
17791         * config/avr/avr.c (avr_out_insert_notbit): New function.
17792         (avr_adjust_insn_length): Handle ADJUST_LEN_INSV_NOTBIT,
17793         ADJUST_LEN_INSV_NOTBIT_0/_7.
17794         * config/avr/avr-protos.h (avr_out_insert_notbit): New proto.
17796 2016-07-21  Bin Cheng  <bin.cheng@arm.com>
17798         * tree-chrec.c (convert_affine_scev): New parameter.  Pass new arg.
17799         (chrec_convert_1, chrec_convert): Ditto.
17800         * tree-chrec.h (chrec_convert, convert_affine_scev): New parameter.
17801         * tree-scalar-evolution.c (interpret_rhs_expr): Pass new arg.
17802         * tree-vrp.c (adjust_range_with_scev): Ditto.
17803         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Ditto.
17804         (scev_var_range_cant_overflow): New function.
17805         (scev_probably_wraps_p): New parameter.  Call above function.
17806         * tree-ssa-loop-niter.h (scev_probably_wraps_p): New parameter.
17808 2016-07-21  Bin Cheng  <bin.cheng@arm.com>
17810         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
17811         by removing computation of may_be_zero.
17813 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
17815         * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
17817 2016-07-21  Andrew Sutton  <andrew.n.sutton@gmail.com>
17819         Improving concepts performance and diagnostics.
17820         * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
17821         for constraint satisfaction and subsumption.
17822         * timevar.h (auto_timevar): New constructor that matches the push/pop
17823         pattern of usage in pt.c.
17825 2016-07-20  Uros Bizjak  <ubizjak@gmail.com>
17827         * hwint.h (HOST_WIDE_INT_0): New define.
17828         (HOST_WIDE_INT_0U): Ditto.
17829         * double-int.c: Use HOST_WIDE_INT_0 instead of (HOST_WIDE_INT) 0.
17830         * dse.c: Use HOST_WIDE_INT_0U instead of (unsigned HOST_WIDE_INT) 0.
17831         * simplify-rtx.c: Ditto.
17832         * tree-object-size.c: Ditto.
17834 2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17836         * config/s390/s390.c (s390_encode_section_info): Remove mode size
17837         check.
17839 2016-07-20  Uros Bizjak  <ubizjak@gmail.com>
17841         * cse.c: Use HOST_WIDE_INT_M1 instead of ~(HOST_WIDE_INT) 0.
17842         * combine.c: Use HOST_WIDE_INT_M1U instead of
17843         ~(unsigned HOST_WIDE_INT) 0.
17844         * double-int.h: Ditto.
17845         * dse.c: Ditto.
17846         * dwarf2asm.c:Ditto.
17847         * expmed.c: Ditto.
17848         * genmodes.c: Ditto.
17849         * match.pd: Ditto.
17850         * read-rtl.c: Ditto.
17851         * tree-ssa-loop-ivopts.c: Ditto.
17852         * tree-ssa-loop-prefetch.c: Ditto.
17853         * tree-vect-generic.c: Ditto.
17854         * tree-vect-patterns.c: Ditto.
17855         * tree.c: Ditto.
17857 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
17859         * config/avr.c (avr_legitimize_address) [AVR_TINY]: Force
17860         constant addresses outside [0,0xc0] into a register.
17861         (avr_out_movhi_r_mr_reg_no_disp_tiny): Pass insn.  And handle
17862         cases where the base address register is unused after.
17863         (avr_out_movhi_r_mr_reg_disp_tiny): Same.
17864         (avr_out_movhi_mr_r_reg_disp_tiny): Same.
17865         (avr_out_store_psi_reg_disp_tiny): Same.
17867 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
17869         Implement attribute progmem on reduced Tiny cores by adding
17870         flash offset 0x4000 to respective symbols.
17872         PR target/71948
17873         * doc/extend.texi (AVR Variable Attributes) [progmem]: Add
17874         documentation how it works on reduced Tiny cores.
17875         (AVR Named Address Spaces): No support for reduced Tiny.
17876         * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): New macro.
17877         (avr_address_tiny_pm_p): New static function.
17878         (avr_print_operand_address) [AVR_TINY]: Add AVR_TINY_PM_OFFSET
17879         if the address is in progmem.
17880         (avr_assemble_integer): Same.
17881         (avr_encode_section_info) [AVR_TINY]: Set AVR_SYMBOL_FLAG_TINY_PM
17882         for symbol_ref in progmem.
17883         * config/avr/avr.h (AVR_TINY_PM_OFFSET): New macro.
17884         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use it instead of
17885         magic 0x4000 when built-in def'ing __AVR_TINY_PM_BASE_ADDRESS__.
17887 2016-07-20  Patrick Palka  <ppalka@gcc.gnu.org>
17889         * configure.ac (thin_archive_support): New variable.  AC_SUBST it.
17890         * configure: Regenerate.
17891         * Makefile.in (THIN_ARCHIVE_SUPPORT): New variable.
17892         (USE_THIN_ARCHIVES): New variable.
17893         (libbackend.a): If USE_THIN_ARCHIVES then pass T to ar to build
17894         this archive as a thin archive.
17896 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
17898         * diagnostic-show-locus.c (diagnostic_show_locus): If this is the
17899         same location as last time, don't skip if we have fix-it hints.
17900         Clarify the skipping logic by converting it from one "if" clause
17901         to repeated "if" clauses.
17902         * spellcheck-tree.c: Include "cpplib.h".
17903         (find_closest_macro_cpp_cb): Move here from c/c-decl.c.
17904         (best_macro_match::best_macro_match): New constructor.
17905         * spellcheck-tree.h (struct edit_distance_traits<cpp_hashnode *>):
17906         Move here from c/c-decl.c.
17907         (class best_macro_match): Move here from c/c-decl.c, converting
17908         from a typedef to a subclass, gaining a ctor.
17910 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
17912         * config/avr/avr-protos.h (avr_addr_space_supported_p): New prototype.
17913         * config/avr/avr.c (TARGET_ADDR_SPACE_DIAGNOSE_USAGE): New hook
17914         define...
17915         (avr_addr_space_diagnose_usage): ...and implementation.
17916         (avr_addr_space_supported_p): New function.
17917         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Only
17918         report bad address space usage if that space is supported.
17919         (avr_insert_attributes): Same.  No more complain about unsupported
17920         address spaces.
17921         * config/avr/avr-c.c (tm_p.h): Include it.
17922         (avr_cpu_cpp_builtins): Only define addr-space related built-in
17923         macro if avr_addr_space_supported_p.
17925 2016-07-20  Alexander Monakov  <amonakov@ispras.ru>
17927         * config/nvptx/nvptx.c (nvptx_option_override): Do not set
17928         flag_toplevel_reorder.
17930 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
17932         * gcc-rich-location.c
17933         (gcc_rich_location::add_fixit_misspelled_id): New overload, taking
17934         a const char *.
17935         * gcc-rich-location.h
17936         (gcc_rich_location::add_fixit_misspelled_id): Likewise.
17938 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
17940         * target.def (addr_space): Add new diagnose_usage to hook vector.
17941         * targhooks.c (default_addr_space_diagnose_usage): Add default
17942         implementation and...
17943         * targhooks.h (default_addr_space_diagnose_usage): ... its prototype.
17944         * c/c-parser.c (c_lex_one_token) [CPP_NAME]: If the token
17945         is some address space, call targetm.addr_space.diagnose_usage.
17946         * doc/tm.texi.in (Named Address Spaces): Add anchor for
17947         TARGET_ADDR_SPACE_DIAGNOSE_USAGE documentation.
17948         * doc/tm.texi: Regenerate.
17950 2016-07-20  Martin Liska  <mliska@suse.cz>
17952         PR middle-end/71898
17953         * graphite-isl-ast-to-gimple.c (later_of_the_two):
17954         Properly handly PHI stmts.
17956 2016-07-20  Bin Cheng  <bin.cheng@arm.com>
17958         PR tree-optimization/71503
17959         PR tree-optimization/71683
17960         * tree-if-conv.c (gen_phi_arg_condition): Record true predicate
17961         and break.
17963 2016-07-20  Martin Liska  <mliska@suse.cz>
17965         * doc/invoke.texi (-fipa-ra): Document when the option is
17966         disabled. Fix a typo.
17968 2016-07-20  Martin Liska  <mliska@suse.cz>
17970         * Makefile.in: Include fibonacci_heap.c
17971         * fibonacci_heap.c: New file.
17972         * fibonacci_heap.h (fibonacci_heap::insert): Use insert_node.
17973         (fibonacci_heap::union_with): Fix deletion of the second heap.
17974         * selftest-run-tests.c (selftest::run_tests): Incorporate
17975         fibonacci heap tests.
17976         * selftest.h: Declare fibonacci_heap_c_tests.
17978 2016-07-20  Martin Liska  <mliska@suse.cz>
17980         * selftest-run-tests.c (selftest::run_tests): New function.
17981         * selftest.h (sreal_c_tests): Declare.
17982         * sreal.c (sreal_verify_basics): New function.
17983         (verify_aritmetics): Likewise.
17984         (sreal_verify_arithmetics): Likewise.
17985         (verify_shifting): Likewise.
17986         (sreal_verify_shifting): Likewise.
17987         (void sreal_c_tests): Likewise.
17989 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
17991         PR rtl-optimization/71916
17992         * cfgrtl.c (contains_no_active_insn_p): Return false also for
17993         bb which have a single succ fake edge.
17995 2016-07-19  Aldy Hernandez  <aldyh@redhat.com>
17997         PR debug/71855
17998         * dwarf2out.c (gen_subprogram_die): Only call
17999         gen_unspecified_parameters_die while dumping early dwarf.
18001 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
18003         PR middle-end/71874
18004         * gimple-fold.c (fold_builtin_memory_op): Use
18005         get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
18007 2016-07-19  Uros Bizjak  <ubizjak@gmail.com>
18009         * builtins.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,
18010         HOST_WIDE_INT_1U instead of (unsigned HOST_WIDE_INT) 1,
18011         HOST_WIDE_INT_M1 instead of (HOST_WIDE_INT) -1 and
18012         HOST_WIDE_INT_M1U instead of (unsigned HOST_WIDE_INT) -1.
18013         * combine.c: Ditto.
18014         * cse.c: Ditto.
18015         * dojump.c: Ditto.
18016         * double-int.c: Ditto.
18017         * dse.c: Ditto.
18018         * dwarf2out.c: Ditto.
18019         * expmed.c: Ditto.
18020         * expr.c: Ditto.
18021         * fold-const.c: Ditto.
18022         * function.c: Ditto.
18023         * fwprop.c: Ditto.
18024         * genmodes.c: Ditto.
18025         * hwint.c: Ditto.
18026         * hwint.h: Ditto.
18027         * ifcvt.c: Ditto.
18028         * loop-doloop.c: Ditto.
18029         * loop-invariant.c: Ditto.
18030         * loop-iv.c: Ditto.
18031         * match.pd: Ditto.
18032         * optabs.c: Ditto.
18033         * real.c: Ditto.
18034         * reload.c: Ditto.
18035         * rtlanal.c: Ditto.
18036         * simplify-rtx.c: Ditto.
18037         * stor-layout.c: Ditto.
18038         * toplev.c: Ditto.
18039         * tree-ssa-loop-ivopts.c: Ditto.
18040         * tree-vect-generic.c: Ditto.
18041         * tree-vect-patterns.c: Ditto.
18042         * tree.c: Ditto.
18043         * tree.h: Ditto.
18044         * ubsan.c: Ditto.
18045         * varasm.c: Ditto.
18046         * wide-int-print.cc: Ditto.
18047         * wide-int.cc: Ditto.
18048         * wide-int.h: Ditto.
18050 2016-07-19  David Malcolm  <dmalcolm@redhat.com>
18052         * selftest.c (selftest::assert_streq): Handle NULL values of
18053         val_actual and val_expected.
18055 2016-07-19  Martin Jambor  <mjambor@suse.cz>
18057         PR fortran/71688
18058         * trans-decl.c (gfc_generate_function_code): Use cgraph_get_create_node
18059         rather than cgraph_create_node to get a call graph node.
18061 2016-07-19  Richard Biener  <rguenther@suse.de>
18063         * gimple-fold.c (get_base_constructor): Add VIEW_CONVERT case,
18064         handle all tcc_constant bases and valueize SSA names.
18065         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Handle
18066         tcc_constant bases.
18068 2016-07-19  David Malcolm  <dmalcolm@redhat.com>
18070         * function-tests.c (selftest::verify_three_block_rtl_cfg): Verify
18071         the flags of the exit block and bb2, not just the entry block.
18073 2016-07-19  Richard Biener  <rguenther@suse.de>
18075         PR tree-optimization/71901
18076         * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
18077         align member, group stuff with the bitfield.
18078         (vn_ref_op_align_unit): New inline.
18079         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): For ARRAY_REFs
18080         record element alignment and operand 3 unchanged.
18081         (ao_ref_init_from_vn_reference): Adjust.
18082         (valueize_refs_1): Likewise.
18083         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
18085 2016-07-19  Richard Biener  <rguenther@suse.de>
18087         PR tree-optimization/71908
18088         * tree-ssa-structalias.c (get_constraint_for_component_ref): Handle
18089         symbolic constants in a more reliable way.
18091 2016-07-19  Ilya Enkovich  <ilya.enkovich@intel.com>
18093         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Update
18094         comment.
18095         (vect_update_inits_of_drs): Likewise.
18096         (vect_create_cond_for_alias_checks): Likewise.
18097         * tree-vect-loop.c (vect_get_known_peeling_cost): Likewise.
18099 2016-07-19  Richard Biener  <rguenther@suse.de>
18101         PR lto/71907
18102         * lto-streamer-out.c (DFS::DFS_write_tree_body): For blocks
18103         with an abstract origin that is not an inlined function outer
18104         scope add a self-reference as abstract origin.
18105         * tree-streamer-out.c (write_ts_block_tree_pointers): Likewise.
18107 2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
18109         PR target/71493
18110         * config/rs6000/rs6000.c (rs6000_function_value): Fix
18111         unintentional System V.4 structure return breakage for structures
18112         with a single floating point element.
18114 2016-07-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
18116         PR tree-optimization/71734
18117         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Add REF_LOOP argument which
18118         contains REF, use it to check safelen, assume that safelen value
18119         must be greater 1, fix style.
18120         (ref_indep_loop_p_2): Add REF_LOOP argument.
18121         (ref_indep_loop_p): Pass LOOP as additional argument to
18122         ref_indep_loop_p_2.
18124 2016-07-18  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18126         * cfgexpand.c (expand_stack_vars): Implement synamic stack space
18127         allocation in the prologue.
18128         * explow.c (get_dynamic_stack_base): New function to return an address
18129         expression for the dynamic stack base.
18130         (get_dynamic_stack_size): New function to do the required dynamic stack
18131         space size calculations.
18132         (allocate_dynamic_stack_space): Use new functions.
18133         (align_dynamic_address): Move some code from
18134         allocate_dynamic_stack_space to new function.
18135         * explow.h (get_dynamic_stack_base, get_dynamic_stack_size): Export.
18137 2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18139         * config/s390/s390.c (s390_encode_section_info): Always set
18140         notaligned marker if mode size is 0 or no MEM_ALIGN info could be
18141         found.
18143 2016-07-18  Richard Biener  <rguenther@suse.de>
18145         PR tree-optimization/71893
18146         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Compensate
18147         for sizetype cast added by array_ref_element_size.
18148         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
18150 2016-07-16  John David Anglin  <danglin@gcc.gnu.org>
18152         * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
18153         register parameters.  Remove code to initialize argument pointer
18154         on TARGET_64BIT.  Optimize call to _mcount when it can be reached
18155         using a pc-relative branch.  Cleanup conditional code.
18156         * config/pa/pa.md (call_mcount): New expander.
18157         (call_mcount_nonpic): New insn.
18158         (call_mcount_pic): New insn and split.
18159         (call_mcount_pic_post_reload): New insn.
18160         (call_mcount_64bit): New insn and split.
18161         (call_mcount_64bit_post_reload): New insn.
18163 2016-07-15  Georg-Johann Lay  <avr@gjlay.de>
18165         * config/avr/predicates.md (const_m255_to_m1_operand): New.
18166         * config/avr/constraints.md (Cn8, Ca1, Co1, Yx2): New constraints.
18167         * config/avr/avr.md (add<mode>3) <ALL1>: Fix set_vzn for +/-2.
18168         (*cmphi.zero-extend.0, *cmphi.zero-extend.1)
18169         (*usum_widenqihi3, *udiff_widenqihi3)
18170         (*addhi3_zero_extend.const): New combiner insns.
18171         (andqi3, iorqi3): Provide "l" (NO_LD_REGS) alternative if
18172         just 1 bit is affected.
18173         * config/avr/avr.c (avr_out_bitop) <QImode>: Don't access xop[3].
18174         (avr_out_compare) [EQ,NE]: Tweak comparing d-regs against -1.
18176 2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>
18178         * omp-low.c (lower_omp_target): Mark data clauses with
18179         GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
18180         zero-length subarrays.
18182 2016-07-15  Richard Biener  <rguenther@suse.de>
18184         PR tree-optimization/71881
18185         * tree-loop-distribution.c (destroy_loop): Remove blocks in
18186         reverse DOM order to make debug temp generation happy.
18188 2016-07-15  Richard Biener  <rguenther@suse.de>
18190         PR tree-optimization/71887
18191         * tree-ssa-phiopt.c (absorbing_element_p): Add rhs arg and
18192         verify it is not zero for division / modulo handling.
18193         (value_replacement): Adjust.
18195 2016-07-15  Virendra Pathak  <virendra.pathak@broadcom.com>
18196             Julian Brown  <julian@codesourcery.com>
18198         * config/aarch64/aarch64-cores.def: Update vulcan COSTS.
18199         * config/aarch64/aarch64-cost-tables.h
18200         (vulcan_extra_costs): New variable.
18201         * config/aarch64/aarch64.c
18202         (vulcan_addrcost_table): Likewise.
18203         (vulcan_regmove_cost): Likewise.
18204         (vulcan_vector_cost): Likewise.
18205         (vulcan_branch_cost): Likewise.
18206         (vulcan_tunings): Likewise.
18208 2016-07-15  Alexander Monakov  <amonakov@ispras.ru>
18210         * cgraphunit.c (cgraph_order_sort_kind): New entry ORDER_VAR_UNDEF.
18211         (output_in_order): Loop over undefined variables too.  Output them
18212         via assemble_undefined_decl.  Skip variables that correspond to hard
18213         registers or have value-exprs.
18214         * varpool.c (symbol_table::output_variables): Handle undefined
18215         variables together with defined ones.
18217 2016-07-15  Richard Biener  <rguenther@suse.de>
18219         * tree-ssa-pre.c (get_representative_for): Make sure to return
18220         the value number of SSA names.
18221         (phi_translate_1): get_representative_for cannot return NULL.
18222         (do_pre_regular_insertion): Remove redundant call to
18223         fully_constant_expression.
18224         (do_pre_partial_partial_insertion): Likewise.
18226 2016-07-15  Bin Cheng  <bin.cheng@arm.com>
18228         * tree-scalar-evolution.c (simple_iv_with_niters): New funcion.
18229         (derive_simple_iv_with_niters): New function.
18230         (simple_iv): Rewrite using simple_iv_with_niters.
18231         * tree-scalar-evolution.h (simple_iv_with_niters): New decl.
18232         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
18233         function.
18234         (number_of_iterations_exit): Rewrite using above function.
18235         * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
18236         Decl.
18238 2016-07-15  Richard Biener  <rguenther@suse.de>
18240         * config/i386/i386.c (ix86_builtin_vectorization_cost): Adjust
18241         vec_construct cost.
18243 2016-07-14  Jakub Jelinek  <jakub@redhat.com>
18245         PR tree-optimization/71872
18246         * tree-data-ref.c (get_references_in_stmt): Ignore references
18247         with is_gimple_constant get_base_address.
18249 2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18251         * config/arm/arm.h (TARGET_HAVE_LDACQ): Enable for ARMv8-M Mainline.
18252         (TARGET_HAVE_LDACQD): New macro.
18253         * config/arm/sync.md (atomic_loaddi): Use TARGET_HAVE_LDACQD rather
18254         than TARGET_HAVE_LDACQ.
18255         (arm_load_acquire_exclusivedi): Likewise.
18256         (arm_store_release_exclusivedi): Likewise.
18258 2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18260         PR rtl-optimization/71878
18261         * lra-constraints.c (match_reload): Pass information about other
18262         output operands.  Create new unique register value if matching input
18263         operand shares same register value as output operand being considered.
18264         (curr_insn_transform): Record output operands already processed.
18266 2016-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18268         PR target/65951
18269         PR tree-optimization/70923
18270         * tree-vect-patterns.c: Include mult-synthesis.h.
18271         (target_supports_mult_synth_alg): New function.
18272         (synth_lshift_by_additions): Likewise.
18273         (apply_binop_and_append_stmt): Likewise.
18274         (vect_synth_mult_by_constant): Likewise.
18275         (target_has_vecop_for_code): Likewise.
18276         (vect_recog_mult_pattern): Use above functions to synthesize vector
18277         multiplication by integer constants.
18279 2016-07-14  Alan Modra  <amodra@gmail.com>
18281         * config/rs6000/altivec.md (altivec_mov<mode>): Disparage
18282         gpr alternatives.  Correct '*' placement on Y,r alternative.
18283         Add '*' on operand 1 of r,r alternative.
18285 2016-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18287         * expmed.c (mult_variant, choose_mult_variant): Move declaration to...
18288         * expmed.h: ... Here.
18290 2016-07-14  Jan Hubicka  <hubicka@ucw.cz>
18292         * gimple.h (stmt_can_terminate_bb_p): New function.
18293         * tree-cfg.c (need_fake_edge_p): Rename to ...
18294         (stmt_can_terminate_bb_p): ... this; return true if stmt can
18295         throw external; handle const and pure calls.
18296         * tree-ssa-loop-niter.c (loop_only_exit_p): Use it.
18298 2016-07-14  Richard Biener  <rguenther@suse.de>
18300         PR tree-optimization/71866
18301         * tree-ssa-pre.c (get_constant_for_value_id): Remove.
18302         (do_hoist_insertion): Avoid endless recursion when we
18303         didn't insert anything because we managed to simplify
18304         things down to a constant or SSA name.
18305         (fully_constant_expression): Re-write in terms of ...
18306         * tree-ssa-sccvn.h (vn_nary_simplify): ... this.  Declare.
18307         * tree-ssa-sccvn.c (vn_nary_simplify): New wrapper around
18308         vn_nary_build_or_lookup_1.
18309         (vn_nary_build_or_lookup_1): Added flag and renamed from ...
18310         (vn_nary_build_or_lookup): ... this which now wraps it.
18312 2016-07-14  Alan Modra  <amodra@gmail.com>
18314         PR target/71733
18315         * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
18316         with p9_vector override before power9-dform override.
18318 2016-07-13  Andi Kleen  <ak@linux.intel.com>
18320         * value-prof.c (gimple_value_profile_transformations): Don't run
18321         when auto_profile is on.
18323 2016-07-13  Andi Kleen  <ak@linux.intel.com>
18325         * auto-profile.c (update_inlined_ind_target,
18326         afdo_indirect_call): Print information to dump file.
18328 2016-07-13  Andrew Burgess  <andrew.burgess@embecosm.com>
18330         * genrecog.c (special_predicate_operand_p): New function.
18331         (predicate_name): Move function.
18332         (validate_pattern): Don't warn about missing mode for all
18333         define_special_predicate predicates.
18335 2016-07-13  Bin Cheng  <bin.cheng@arm.com>
18337         * tree-vect-data-refs.c (vect_no_alias_p): New function.
18338         (vect_prune_runtime_alias_test_list): Call vect_no_alias_p to
18339         resolve alias checks which are known at compilation time.
18340         Truncate vector LOOP_VINFO_MAY_ALIAS_DDRS(loop_vinfo) if all
18341         alias checks are resolved.  Move dump info for too many runtime
18342         alias checks to here...
18343         * tree-vect-loop.c (vect_analyze_loop_2): ...From here.
18345 2016-07-13  Richard Biener  <rguenther@suse.de>
18347         PR tree-optimization/24574
18348         * tree-ssa-phiopt.c (absorbing_element_p): Pass in argument
18349         position and add shift, rotate, divison and modulo support
18350         for left zero.
18351         (value_replacement): Pass in argument position to absorbing_element_p.
18353 2016-07-13  Ilya Enkovich  <ilya.enkovich@intel.com>
18355         PR ipa/71633
18356         * ipa-inline-transform.c (inline_call): Support
18357         instrumented thunks.
18359 2016-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18361         * config/arm/arm.h (TARGET_HAVE_CBZ): Define.
18362         (TARGET_IDIV): Set for all Thumb targets provided they have hardware
18363         divide feature.
18364         * config/arm/arm.md (divsi3): New unpredicable alternative for ARMv8-M
18365         Baseline.  Make initial alternative TARGET_32BIT only.
18366         (udivsi3): Likewise.
18367         * config/arm/thumb1.md (thumb1_cbz): New define_insn.
18368         * doc/sourcebuild.texi (arm_thumb1_cbz_ok): Document new effective
18369         target.
18371 2016-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18373         * config/arm/arm.h (TARGET_HAVE_MOVT): Include ARMv8-M as having MOVT.
18374         * config/arm/arm.c (arm_arch_name): (const_ok_for_op): Check MOVT/MOVW
18375         availability with TARGET_HAVE_MOVT.
18376         (thumb_legitimate_constant_p): Strip the high part of a label_ref.
18377         (thumb1_rtx_costs): Also return 0 if setting a half word constant and
18378         MOVW is available and replace (unsigned HOST_WIDE_INT) INTVAL by
18379         UINTVAL.
18380         (thumb1_size_rtx_costs): Make set of half word constant also cost 1
18381         extra instruction if MOVW is available.  Use a cost variable
18382         incremented by COSTS_N_INSNS (1) when the condition match rather than
18383         returning an arithmetic expression based on COSTS_N_INSNS.  Make
18384         constant with bottom half word zero cost 2 instruction if MOVW is
18385         available.
18386         * config/arm/arm.md (define_attr "arch"): Add v8mb.
18387         (define_attr "arch_enabled"): Set to yes if arch value is v8mb and
18388         target is ARMv8-M Baseline.
18389         (arm_movt): New unpredicable alternative for ARMv8-M Baseline.
18390         (arm_movtas_ze): Likewise.
18391         * config/arm/thumb1.md (thumb1_movdi_insn): Add ARMv8-M Baseline only
18392         alternative for constants satisfying j constraint.
18393         (thumb1_movsi_insn): Likewise.
18394         (movsi splitter for K alternative): Tighten condition to not trigger
18395         if movt is available and j constraint is satisfied.
18396         (Pe immediate splitter): Likewise.
18397         (thumb1_movhi_insn): Add ARMv8-M Baseline only alternative for
18398         constant fitting in an halfword to use MOVW.
18399         * doc/sourcebuild.texi (arm_thumb1_movt_ok): Document new ARM
18400         effective target.
18402 2016-07-13  Richard Biener  <rguenther@suse.de>
18404         PR middle-end/71104
18405         * gimplify.c (gimplify_modify_expr): Gimplify the RHS before
18406         gimplifying the LHS.  Make sure to gimplify a returning twice
18407         call LHS without using SSA names.
18409 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18411         * tree-data-ref.c (find_data_references_in_stmt): Remove
18412         unnecessary call to vec::release.
18413         (graphite_find_data_references_in_stmt): Likewise.
18414         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): Likewise.
18415         * tree-vect-stmts.c (vectorizable_condition): Likewise.
18417 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18419         * cfgexpand.c (expand_used_vars): Make the type of a local
18420         variable auto_vec.
18421         * genmatch.c (lower_for): Likewise.
18422         * haifa-sched.c (haifa_sched_init): Likewise.
18423         (add_to_speculative_block): Likewise.
18424         (create_check_block_twin): Likewise.
18425         * predict.c (handle_missing_profiles): Likewise.
18426         * tree-data-ref.c (loop_nest_has_data_refs): Likewise.
18427         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Likewise.
18428         * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk):
18429         Likewise.
18430         (maybe_lower_iteration_bound): Likewise.
18431         * tree-ssa-sccvn.c (DFS): Likewise.
18432         * tree-stdarg.c (reachable_at_most_once): Likewise.
18433         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
18434         (vectorizable_store): Likewise.
18436 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18438         * tree-ssa-sccvn.c (sccvn_dom_walker::~sccvn_dom_walker): remove.
18439         (sccvn_dom_walker): make cond_stack an auto_vec.
18441 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18443         * ree.c (struct ext_state): Make type of members auto_vec.
18444         (find_and_remove_re): Adjust.
18446 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18448         * cfgexpand.c (struct stack_vars_data): Make type of fields
18449         auto_vec.
18450         (expand_used_vars): Adjust.
18452 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18454         * ipa.c (record_cdtor_fn): Adjust.
18455         (build_cdtor_fns): Likewise.
18456         (ipa_cdtor_merge): Make static_ctors and static_dtors local
18457         variables.
18459 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18461         * genextract.c (struct accum_extract): Add constructor and make
18462         members auto_vec.
18463         (gen_insn): Adjust.
18465 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18467         * tree.c (struct free_lang_data_d): Add constructor and change
18468         types of members to ones that automatically manage resources.
18469         (fld_worklist_push): Adjust.
18470         (find_decls_types): Likewise.
18471         (find_decls_types_in_eh_region): Likewise.
18472         (free_lang_data_in_cgraph): Stop manually creating and
18473         destroying members of free_lang_data_d.
18475 2016-07-13  Uros Bizjak  <ubizjak@gmail.com>
18477         PR rtl-optimization/68961
18478         * config/i386/sse.md (movsd/movhpd to movupd peephole2s): Add new
18479         peephole variant.  Use sse_reg_operand predicates.
18481 2016-07-12  Uros Bizjak  <ubizjak@gmail.com>
18483         * config/i386/predicates.md (x86_64_immediate_operand)
18484         <case CONST_INT>: Remove unneeded truncation to DImode.
18485         <case CONST>: Ditto.
18486         (x86_64_zext_immediate_operand) <case CONST>: Ditto.
18488 2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
18490         PR target/71805
18491         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
18492         The xxperm and xxpermr instructions require that the 2nd input
18493         operand overlap with the output operand, and not the 1st.
18494         (altivec_vperm_v8hiv16qi): Likewise.
18495         (altivec_vperm_<mode>_uns_internal): Likewise.
18496         (altivec_vpermr_<mode>_internal): Likewise.
18497         (vperm_v8hiv4si): Likewise.
18498         (vperm_v16qiv8hi): Likewise.
18500 2016-07-12  Nathan Sidwell  <nathan@acm.org>
18502         * config/arm/arm.c (arm_option_override): Set MASK_SINGLE_PIC_BASE
18503         when -mno-pic-data-is-text-relative is in effect, by default.
18504         * doc/invoke.texi (mpic-data-is-text-relative): Document new
18505         behavior and clarify.
18507 2016-07-12  Martin Liska  <mliska@suse.cz>
18509         * params.def: Add avg-loop niter.
18510         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use the param.
18511         * cfgloopanal.c (expected_loop_iterations_unbounded): Likewise.
18512         * doc/invoke.texi: Document the new parameter.
18514 2016-07-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18516         PR middle-end/71700
18517         * expr.c (store_constructor): Mask sign-extended bits when widening
18518         sub-word constructor element at the start of a word.
18520 2016-07-12  Martin Liska  <mliska@suse.cz>
18522         * Makefile.in: Append rule for params-options.h.
18523         * params-options.h: New file.
18525 2016-07-12  Martin Liska  <mliska@suse.cz>
18527         * ira-build.c (mark_loops_for_removal): Properly iterate
18528         loops.
18530 2016-07-12  Steven Bosscher  <steven@gcc.gnu.org>
18531             Richard Biener  <rguenther@suse.de>
18533         PR tree-optimization/23286
18534         PR tree-optimization/70159
18535         * doc/invoke.texi: Document -fcode-hoisting.
18536         * common.opt (fcode-hoisting): New flag.
18537         * opts.c (default_options_table): Enable -fcode-hoisting at -O2+.
18538         * tree-ssa-pre.c (pre_stats): Add hoist_insert.
18539         (do_regular_insertion): Rename to ...
18540         (do_pre_regular_insertion): ... this and amend general comments
18541         on insertion strathegy.
18542         (do_partial_partial_insertion): Rename to ...
18543         (do_pre_partial_partial_insertion): ... this.
18544         (do_hoist_insertion): New function.
18545         (insert_aux): Take flags on whether to do PRE and/or hoist insertion
18546         and call do_hoist_insertion properly.
18547         (insert): Adjust.
18548         (pass_pre::gate): Enable also if -fcode-hoisting is enabled.
18549         (pass_pre::execute): Register hoist_insert stats.
18551 2016-07-12  Jakub Jelinek  <jakub@redhat.com>
18553         PR middle-end/71716
18554         * gimple-fold.c (optimize_atomic_compare_exchange_p): Return false
18555         for SCALAR_FLOAT_TYPE_P type of expected var, or if TYPE_PRECISION
18556         is different from mode's bitsize.  Small cleanup.
18558 2016-07-12  Richard Biener  <rguenther@suse.de>
18560         PR rtl-optimization/68961
18561         * fwprop.c (propagate_rtx): Allow SUBREGs of VEC_CONCAT and CONCAT
18562         to simplify to a non-constant.
18564 2016-07-11  Jakub Jelinek  <jakub@redhat.com>
18566         PR middle-end/71758
18567         * omp-low.c (expand_omp_target): Gimplify device.
18569         PR tree-optimization/71823
18570         * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
18571         to get vec_oprnds2 from op2.
18573 2016-07-11  Uros Bizjak  <ubizjak@gmail.com>
18575         * config/i386/predicates.md (x86_64_immediate_operand) <case CONST>:
18576         Hoist common subexpressions.
18577         (x86_64_zext_immediate_operand) <case CONST>: Ditto.
18579 2016-07-11  Pat Haugen  <pthaugen@us.ibm.com>
18581         PR target/71800
18582         * config/rs6000/rs6000.md (stfiwx): Change constraint to 'wu' to
18583         prevent generation of 'stxsiwx' on pre Power8 hardware.
18585 2016-07-11  David Malcolm  <dmalcolm@redhat.com>
18587         * input.c: Include cpplib.h.
18588         (selftest::temp_source_file): New class.
18589         (selftest::temp_source_file::temp_source_file): New ctor.
18590         (selftest::temp_source_file::~temp_source_file): New dtor.
18591         (selftest::should_have_column_data_p): New function.
18592         (selftest::test_should_have_column_data_p): New function.
18593         (selftest::temp_line_table): New class.
18594         (selftest::temp_line_table::temp_line_table): New ctor.
18595         (selftest::temp_line_table::~temp_line_table): New dtor.
18596         (selftest::test_accessing_ordinary_linemaps): Add case_ param; use
18597         it to create a temp_line_table.
18598         (selftest::assert_loceq): Only verify LOCATION_COLUMN for
18599         locations that are known to have column data.
18600         (selftest::line_table_case): New struct.
18601         (selftest::test_reading_source_line): Move tempfile handling
18602         to class temp_source_file.
18603         (ASSERT_TOKEN_AS_TEXT_EQ): New macro.
18604         (selftest::assert_token_loc_eq): New function.
18605         (ASSERT_TOKEN_LOC_EQ): New macro.
18606         (selftest::test_lexer): New function.
18607         (selftest::boundary_locations): New array.
18608         (selftest::input_c_tests): Call test_should_have_column_data_p.
18609         Loop over a test matrix of interesting values of location and
18610         default_range_bits, calling test_lexer on each case in the matrix.
18611         Move call to test_accessing_ordinary_linemaps into the matrix.
18612         * selftest.h (ASSERT_EQ): Reimplement in terms of...
18613         (ASSERT_EQ_AT): New macro.
18615 2016-07-11  H.J. Lu  <hongjiu.lu@intel.com>
18617         PR target/71801
18618         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
18619         Don't convert TImode in debug insn.
18621 2016-07-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18623         Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
18624         * tree-core.h (tree_base::nothrow_flag): Adjust comment.
18625         (tree_type_common::lang_flag_7): New.
18626         (tree_type_common::spare): Reduce size.
18627         * tree.h (TYPE_ALIGN_OK): Remove.
18628         (TYPE_LANG_FLAG_7): New.
18629         (get_inner_reference): Adjust header.
18630         * print-tree.c (print_node): Adjust.
18631         * expr.c (get_inner_reference): Remove parameter keep_aligning.
18632         (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust
18633         calls to get_inner_reference.
18634         (expand_expr_real_1): Adjust call to get_inner_reference.  Remove
18635         handling of TYPE_ALIGN_OK.
18636         * builtins.c (get_object_alignment_2): Adjust call to
18637         get_inner_reference.  Remove handling of VIEW_CONVERT_EXPR.
18638         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of
18639         TYPE_ALIGN_OK.
18640         * asan.c (instrument_derefs): Adjust calls to get_inner_reference.
18641         * cfgexpand.c (expand_debug_expr): Likewise.
18642         * dbxout.c (dbxout_expand_expr): Likewise.
18643         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref,
18644         loc_list_from_tree, fortran_common): Likewise.
18645         * fold-const.c (optimize_bit_field_compare,
18646         decode_field_reference, fold_unary_loc, fold_comparison,
18647         split_address_to_core_and_offset): Likewise.
18648         * gimple-laddress.c (execute): Likewise.
18649         * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise.
18650         * gimplify.c (gimplify_scan_omp_clauses): Likewise.
18651         * hsa-gen.c (gen_hsa_addr): Likewise.
18652         * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise.
18653         * tsan.c (instrument_expr): Likewise.
18654         * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise.
18655         * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK.
18656         * tree-affine.c (tree_to_aff_combination,
18657         get_inner_reference_aff): Adjust calls to get_inner_reference.
18658         * tree-data-ref.c (split_constant_offset_1,
18659         dr_analyze_innermost): Likewise.
18660         * tree-scalar-evolution.c (interpret_rhs_expr): Likewise.
18661         * tree-sra.c (ipa_sra_check_caller): Likewise.
18662         * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
18663         * tree-ssa-math-opts.c (find_bswap_or_nop_load,
18664         bswap_replace): Likewise.
18665         * tree-vect-data-refs.c (vect_check_gather,
18666         vect_analyze_data_refs): Likewise.
18667         * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise.
18668         * config/pa/pa.c (pa_emit_move_sequence): Remove handling of
18669         TYPE_ALIGN_OK.
18671 2016-07-11  David Malcolm  <dmalcolm@redhat.com>
18673         * Makefile.in (selftest-valgrind): New phony target.
18674         * function-tests.c (selftest::build_cfg): Delete pass instances
18675         created by the test.
18676         (selftest::convert_to_ssa): Likewise.
18677         (selftest::test_expansion_to_rtl): Likewise.
18678         * tree-cfg.c (selftest::test_linear_chain): Release dominator
18679         vectors.
18680         (selftest::test_diamond): Likewise.
18682 2016-07-11  Richard Biener  <rguenther@suse.de>
18684         PR tree-optimization/71816
18685         * tree-ssa-pre.c (compute_avail): Adjust alignment of ref rather
18686         than replacing all of its operands.
18688 2016-07-11  Alan Modra  <amodra@gmail.com>
18690         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
18691         (ctr<mode>): Add unspec.
18692         (ctr<mode>_internal*): Likewise.
18694 2016-07-08  James Bowman  <james.bowman@ftdichip.com>
18696         * config/ft32/ft32.c (ft32_elf_encode_section_info): New function.
18697         * config/ft32/ft32.h (ASM_OUTPUT_SYMBOL_REF): New function.
18699 2016-07-08  Vladimir Makarov  <vmakarov@redhat.com>
18701         PR rtl-optimization/71621
18702         * lra-constraints.c (process_alt_operands): Check combination of
18703         reg class and mode.
18705 2016-07-08  Jason Merrill  <jason@redhat.com>
18706             Richard Biener  <rguenther@suse.de>
18708         P0145: Refining Expression Order for C++.
18709         * gimplify.c (initial_rhs_predicate_for): New.
18710         (gimplfy_modify_expr): Gimplify RHS before LHS.
18712 2016-07-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18714         PR target/71297
18715         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18716         Allow standard error handling to take over when a wrong number
18717         of arguments is presented to __builtin_vec_ld () or
18718         __builtin_vec_st ().
18720 2016-07-08  Jiong Wang  <jiong.wang@arm.com>
18722         * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
18723         variants.
18724         (smin): Likewise.
18725         (fmax): New entry.
18726         (fmin): Likewise.
18727         * config/aarch64/arm_neon.h (vmaxnm_f32): Use
18728         __builtin_aarch64_fmaxv2sf.
18729         (vmaxnmq_f32): Likewise.
18730         (vmaxnmq_f64): Likewise.
18731         (vminnm_f32): Likewise.
18732         (vminnmq_f32): Likewise.
18733         (vminnmq_f64): Likewise.
18735 2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
18737         PR target/71806
18738         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
18739         enable -mfloat128-hardware by default.
18740         (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
18741         that IEEE 128-bit hardware support needs.
18742         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
18743         -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
18744         Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
18745         floating point requires.
18746         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
18747         -mfloat128 and -mfloat128-hardware changes.
18749 2016-07-08  Alan Hayward  <alan.hayward@arm.com>
18751         PR tree-optimization/71667
18752         * tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts
18754 2016-07-08  Martin Liska  <mliska@suse.cz>
18756         PR middle-end/71606
18757         * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
18758         folding produces SAVE_EXPRs, thus return false for the type.
18760 2016-07-07  Martin Liska  <mliska@suse.cz>
18762         * file-find.c (remove_prefix): New function.
18763         * file-find.h (remove_prefix): Declare the function.
18764         * gcc-ar.c (main): Skip a folder of the wrapper if
18765         a wrapped binary would point to the same file.
18767 2016-07-07  Jan Hubicka  <jh@suse.cz>
18769         * tree-scalar-evolution.c (iv_can_overflow_p): export.
18770         * tree-scalar-evolution.h (iv_can_overflow_p): Declare.
18771         * tree-ssa-loop-ivopts.c (alloc_iv): Use it.
18773 2016-07-07  Ilya Enkovich  <ilya.enkovich@intel.com>
18775         PR ipa/71624
18776         * ipa-inline-analysis.c (compute_inline_parameters): Set
18777         local.can_change_signature to false for intrumentation
18778         thunk callees.
18780 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18782         * config/arm/arm.h (TARGET_USE_MOVT): Check MOVT/MOVW availability
18783         with TARGET_HAVE_MOVT.
18784         (TARGET_HAVE_MOVT): Define.
18785         * config/arm/arm.c (const_ok_for_op): Check MOVT/MOVW
18786         availability with TARGET_HAVE_MOVT.
18787         * config/arm/arm.md (arm_movt): Use TARGET_HAVE_MOVT to check MOVT
18788         availability.
18789         (addsi splitter): Use TARGET_THUMB && TARGET_HAVE_MOVT rather than
18790         TARGET_THUMB2.
18791         (symbol_refs movsi splitter): Remove TARGET_32BIT check.
18792         (arm_movtas_ze): Use TARGET_HAVE_MOVT to check MOVT availability.
18793         * config/arm/constraints.md (define_constraint "j"): Use
18794         TARGET_HAVE_MOVT to check MOVT availability.
18796 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18798         * config/arm/arm-protos.h: Reindent FL_FOR_* macro definitions.
18800 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18802         * config/arm/arm-arches.def (armv8-m.base): Define new architecture.
18803         (armv8-m.main): Likewise.
18804         (armv8-m.main+dsp): Likewise.
18805         * config/arm/arm-protos.h (FL_FOR_ARCH8M_BASE): Define.
18806         (FL_FOR_ARCH8M_MAIN): Likewise.
18807         * config/arm/arm-tables.opt: Regenerate.
18808         * config/arm/bpabi.h: Add armv8-m.base, armv8-m.main and
18809         armv8-m.main+dsp to BE8_LINK_SPEC.
18810         * config/arm/arm.h (TARGET_HAVE_LDACQ): Exclude ARMv8-M.
18811         (enum base_architecture): Add BASE_ARCH_8M_BASE and BASE_ARCH_8M_MAIN.
18812         * config/arm/arm.c (arm_arch_name): Increase size to work with ARMv8-M
18813         Baseline and Mainline.
18814         (arm_option_override_internal): Also disable arm_restrict_it when
18815         !arm_arch_notm.  Update comment for -munaligned-access to also cover
18816         ARMv8-M Baseline.
18817         (arm_file_start): Increase buffer size for printing architecture name.
18818         * doc/invoke.texi: Document architectures armv8-m.base, armv8-m.main
18819         and armv8-m.main+dsp.
18820         (mno-unaligned-access): Clarify that this is disabled by default for
18821         ARMv8-M Baseline architectures as well.
18823 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18825         * config/arm/elf.h: Use __ARM_ARCH_ISA_THUMB and __ARM_ARCH_ISA_ARM to
18826         decide whether to prevent some libgcc routines being included for some
18827         multilibs rather than __ARM_ARCH_6M__ and add comment to indicate the
18828         link between this condition and the one in
18829         libgcc/config/arm/lib1func.S.
18831 2016-07-07  Richard Biener  <rguenther@suse.de>
18833         * tree-ssa-pre.c: Include alias.h.
18834         (compute_avail): If we have multiple VN_REFERENCEs with the
18835         same hashtable entry adjust that to make it a valid replacement
18836         for all of them with respect to alignment and aliasing
18837         when doing insertion.
18838         * tree-ssa-sccvn.h (vn_reference_operands_for_lookup): Declare.
18839         * tree-ssa-sccvn.c (vn_reference_operands_for_lookup): New function.
18841 2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>
18843         PR target/70098
18844         PR target/71763
18845         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
18846         *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
18847         constraint.
18849 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18851         * var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
18852         (adjust_mems): Adjust.
18853         (adjust_insn): Likewise.
18854         (prepare_call_arguments): Likewise.
18856 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18858         * gcse.c (struct ls_expr): Make stores field a vector.
18859         (ldst_entry): Adjust.
18860         (free_ldst_entry): Likewise.
18861         (print_ldst_list): Likewise.
18862         (compute_ld_motion_mems): Likewise.
18863         (update_ld_motion_stores): Likewise.
18865 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18867         * gcse.c (struct ls_expr): Remove loads field.
18868         (ldst_entry): Adjust.
18869         (free_ldst_entry): Likewise.
18870         (print_ldst_list): Likewise.
18871         (compute_ld_motion_mems): Likewise.
18873 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18875         * store-motion.c (struct st_expr): Make antic_stores a vector.
18876         (st_expr_entry): Adjust.
18877         (free_st_expr_entry): Likewise.
18878         (print_store_motion_mems): Likewise.
18879         (find_moveable_store): Likewise.
18880         (compute_store_table): Likewise.
18881         (remove_reachable_equiv_notes): Likewise.
18882         (replace_store_insn): Likewise.
18883         (build_store_vectors): Likewise.
18885 2016-07-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18887         * config/arm/driver-arm.c (arm_cpu_table): Add entries for cortex-a32,
18888         cortex-a35, cortex-a53, cortex-a57, cortex-a72, cortex-a73.
18890 2016-07-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
18892         PR tree-optimization/71518
18893         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
18894         misalign also for outer loops with negative step.
18896 2016-07-06  Wilco Dijkstra  <wdijkstr@arm.com>
18898         * config/arm/cortex-a53.md: Use final_presence_set for in-order.
18899         (cortex_a53_shift): Add mov_shift.
18900         (cortex_a53_shift_reg): Add new reservation for register shifts.
18901         (cortex_a53_alu): Remove bfm.
18902         (cortex_a53_alu_shift): Add bfm, remove mov_shift.
18903         (cortex_a53_alu_extr): Add new reservation for EXTR.
18904         (bypasses): Improve bypass modelling.
18906 2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
18908         PR target/50739
18909         * config/avr/avr.c (avr_asm_select_section): Strip off
18910         SECTION_DECLARED from flags when calling get_section.
18912 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
18914         * tree-vectorizer.h (vect_memory_access_type): Add
18915         VMAT_INVARIANT, VMAT_CONTIGUOUS_DOWN and VMAT_CONTIGUOUS_REVERSED.
18916         * tree-vect-stmts.c (compare_step_with_zero): New function.
18917         (perm_mask_for_reverse): Move further up file.
18918         (get_group_load_store_type): Stick to VMAT_ELEMENTWISE if the
18919         step is negative.
18920         (get_negative_load_store_type): New function.
18921         (get_load_store_type): Call it.  Add an ncopies argument.
18922         (vectorizable_mask_load_store): Update call accordingly and
18923         remove tests for negative steps.
18924         (vectorizable_store, vectorizable_load): Likewise.  Handle new
18925         memory_access_types.
18927 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
18929         * tree-vectorizer.h (vect_memory_access_type): New enum.
18930         (_stmt_vec_info): Add a memory_access_type field.
18931         (STMT_VINFO_MEMORY_ACCESS_TYPE): New macro.
18932         (vect_model_store_cost): Take an access type instead of a boolean.
18933         (vect_model_load_cost): Likewise.
18934         * tree-vect-slp.c (vect_analyze_slp_cost_1): Update calls to
18935         vect_model_store_cost and vect_model_load_cost.
18936         * tree-vect-stmts.c (vec_load_store_type): New enum.
18937         (vect_model_store_cost): Take an access type instead of a
18938         store_lanes_p boolean.  Simplify tests.
18939         (vect_model_load_cost): Likewise, but for load_lanes_p.
18940         (get_group_load_store_type, get_load_store_type): New functions.
18941         (vectorizable_store): Use get_load_store_type.  Record the access
18942         type in STMT_VINFO_MEMORY_ACCESS_TYPE.
18943         (vectorizable_load): Likewise.
18944         (vectorizable_mask_load_store): Likewise.  Replace is_store
18945         variable with vls_type.
18947 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
18949         * tree-vectorizer.h (vect_grouped_load_supported): Add a
18950         single_element_p parameter.
18951         * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
18952         Check the PR65518 case here rather than in vectorizable_load.
18953         * tree-vect-loop.c (vect_analyze_loop_2): Update call accordignly.
18954         * tree-vect-stmts.c (vectorizable_load): Likewise.
18956 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
18958         * tree-vectorizer.h (gather_scatter_info): New structure.
18959         (vect_check_gather_scatter): Return a bool rather than a decl.
18960         Replace return-by-pointer arguments with a single
18961         gather_scatter_info *.
18962         * tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
18963         (vect_analyze_data_refs): Update call accordingly.
18964         * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
18965         (vectorizable_mask_load_store): Likewise.  Also record the
18966         offset dt and vectype in the gather_scatter_info.
18967         (vectorizable_store): Likewise.
18968         (vectorizable_load): Likewise.
18970 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
18972         * tree-vect-stmts.c (vect_model_store_cost): For non-SLP
18973         strided groups, use the cost of N scalar accesses instead
18974         of ncopies vector accesses.
18975         (vect_model_load_cost): Likewise.
18977 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
18979         * tree-vect-stmts.c (vect_cost_group_size): Delete.
18980         (vect_model_store_cost): Avoid calling it.  Use first_stmt_p
18981         variable to indicate when once-per-group costs are being used.
18982         (vect_model_load_cost): Likewise.  Fix comment and misindented code.
18984 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
18986         * tree-vect-stmts.c (vectorizable_load): Remove unnecessary
18987         peeling-for-gaps condition.
18989 2016-07-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18991         * config/s390/s390.c (s390_expand_vec_init): Force initializer
18992         element to register if it doesn't match general_operand.
18994 2016-07-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
18995             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18997         * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
18998         prototype.
18999         * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
19000         * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
19001         (SIGNBIT): New mode iterator.
19002         (Fsignbit): New mode attribute.
19003         (signbit<mode>2): Change operand1 to match FLOAT128 instead of
19004         IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
19005         when direct moves are available.
19006         (signbit<mode>2_dm): New define_insn_and_split).
19007         (signbit<mode>2_dm2): New define_insn.
19009 2016-07-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19011         PR rtl-optimization/71594
19012         * ifcvt.c (noce_convert_multiple_sets): Wrap new_val or old_val
19013         into subregs of appropriate mode before trying to emit a conditional
19014         move.
19016 2016-07-05  Jan Hubicka  <jh@suse.cz>
19018         * tree-scalar-evolution.c (iv_can_overflow_p): New function.
19019         (simple_iv): Use it.
19021 2016-07-05  Jan Hubicka  <jh@suse.cz>
19023         * tree-ssa-loop-niter.c (nowrap_type_p): Use ANY_INTEGRAL_TYPE_P.
19025 2016-07-05  Jiong Wang  <jiong.wang@arm.com>
19027         * lra-constraints.c (process_alt_operands): Don't add spilling cost for
19028         "offmemok".
19030 2016-07-05  Jan Hubicka  <jh@suse.cz>
19032         * tree-scalar-evoluiton.c (simple_iv): Use nowrap_type to check if
19033         IV can overflow.
19035 2016-07-05  Richard Biener  <rguenther@suse.de>
19037         * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_pa):
19038         Handle empty else block.
19039         (is_feasible_trace): Likewise.
19040         (split_paths): Likewise.
19042 2016-07-05  Richard Biener  <rguenther@suse.de>
19044         * tree-loop-distribution.c (distribute_loop): Fix issue with
19045         the cost model loop.
19047 2016-07-05  Christophe Lyon  <christophe.lyon@linaro.org>
19049         * config/arm/neon-testgen.ml: Delete.
19050         * config/arm/neon.ml: Delete.
19052 2016-07-04  Jakub Jelinek  <jakub@redhat.com>
19054         PR c++/71739
19055         * tree.c (attribute_value_equal): Use get_attribute_name instead of
19056         directly using TREE_PURPOSE.
19058 2016-07-04  Jiong Wang  <jiong.wang@arm.com>
19060         * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
19061         * config/aarch64/aarch64_neon.h: Likewise.
19062         * config/aarch64/arm_neon.h: Likewise.
19063         * config/aarch64/atomics.md: Likewise.
19064         * config/aarch64/aarch64-simd-builtins.def: Likewise.
19065         * doc/invoke.texi: Likewise.
19067 2016-07-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19069         * config/s390/s390.md: Add "z13" cpu_facility.
19070         ("*mov<mode>cc"): Add support for z13 instructions lochi and locghi.
19071         * config/s390/predicates.md ("loc_operand"): New predicate for "load on
19072         condition" type instructions.
19074 2016-07-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19075             Jeff Law  <law@redhat.com>
19077         * explow.c (allocate_dynamic_stack_space): Simplify knowing that
19078         MUST_ALIGN was always true and extra_align ist always BITS_PER_UNIT.
19080 2016-07-04  Yuri Rumyantsev  <ysrumyan@gmail.com>
19082         * config/i386/i386.c (ix86_expand_vec_perm): Add handle one-operand
19083         permutation for TARGET_AVX512F.
19084         (ix86_expand_vec_one_operand_perm_avx512): New function.
19085         (expand_vec_perm_1): Invoke introduced function.
19086         * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
19087         it may be not valid after vectorization.
19089 2016-07-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19091         PR target/63874
19092         * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix
19093         typo in comment.  Only force to memory if it is a weak
19094         external reference.
19096 2016-07-04  Matthew Wahab  <matthew.wahab@arm.com>
19097             Jiong Wang  <jiong.wang@arm.com>
19099         * config/aarch64/aarch64-arches.def: Add "armv8.2-a".
19100         * config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
19101         (AARCH64_FL_F16): New.
19102         (AARCH64_FL_FOR_ARCH8_2): New.
19103         (AARCH64_ISA_8_2): New.
19104         (AARCH64_ISA_F16): New.
19105         (TARGET_FP_F16INST): New.
19106         (TARGET_SIMD_F16INST): New.
19107         * config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
19108         ("fp"): Disabling "fp" also disables "fp16".
19109         * config/aarch64/aarch64-c.c (arch64_update_cpp_builtins):
19110         Conditionally define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC
19111         and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
19112         * doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".
19114 2016-07-04  Jan Beulich  <jbeulich@suse.com>
19116         * gcc.c (default_compilers["@c-header"]): Conditionalize "-o".
19118 2016-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
19120         PR target/71720
19121         * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
19122         the insns, use an insn form that does not adjust the offset on
19123         little endian systems.
19125 2016-07-01  Jan Beulich  <jbeulich@suse.com>
19127         * varasm.c (get_variable_section): Validate initializer in
19128         named .bss-like sections.
19130 2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19132         * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
19133         Exchange the order of the second and third operands in the vpermr
19134         instruction tmeplate.
19136 2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
19138         PR target/71698
19139         * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move):
19140         Disallow TDmode values.
19142 2016-07-01  Alan Modra  <amodra@gmail.com>
19144         PR rtl-optimization/71709
19145         * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
19146         being set, not referenced.
19148 2016-07-01  Yuri Rumyantsev  <ysrumyan@gmail.com>
19150         PR tree-optimization/70729
19151         * tree-vectorizer.c (adjust_simduid_builtins): Nullify safelen field
19152         of loop since it can be not valid after transformation.
19154 2016-07-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19156         * config/arm/arm.c (thumb_reload_in_hi): Delete.
19157         * config/arm/arm-protos.h (thumb_reload_in_hi): Delete prototype.
19159 2016-07-01  Eric Botcazou  <ebotcazou@adacore.com>
19161         * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
19162         for NULL decl.
19164 2016-06-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
19166         PR target/71677
19167         * config/rs6000/constraints.md (wY constraint): New constraint to
19168         match the requirements for the LXSD and STXSD instructions.
19169         * config/rs6000/predicates.md (offsettable_mem_14bit_operand): New
19170         predicate to match the requirements for the LXSD and STXSD
19171         instructions.
19172         * config/rs6000/rs6000.md (mov<mode>_hardfloat32, FMOVE64 case):
19173         Use constaint wY for LXSD/STXSD instructions instead of 'o' or 'Y'
19174         to make sure that the bottom 2 bits of offset are 0, the address
19175         form is offsettable, and no updating is done in the address mode.
19176         (mov<mode>_hardfloat64, FMOVE64 case): Likewise.
19177         (movdi_internal32): Likewise
19178         (movdi_internal64): Likewise.
19180 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
19182         PR tree-optimization/71707
19183         * tree-ssa-strlen.c (get_stridx_plus_constant): Handle already present
19184         strinfo even for ADDR_EXPR ptr.
19186 2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19188         * config/rs6000/altivec.md (darn_32): Change the condition to
19189         TARGET_P9_MISC instead of TARGET_MODULO.
19190         (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
19191         condition expression.
19192         (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
19193         condition expression.
19194         * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
19195         (DFP_TEST): New code iterator.
19196         (dfptstsfi_<code>_mode>): New define_expand.
19197         (*dfp_sgnfcnc_<mode>): New define_insn.
19198         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
19199         definition next to BU_P9_MISC_1 definition and change the MASK
19200         value to RS6000_BTM_P9_MISC.
19201         (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
19202         (BU_P9_64BIT_MISC_0): Likewise.
19203         (BU_P9_DFP_MISC_0): New macro definition.
19204         (BU_P9_DFP_MISC_1): New macro definition.
19205         (BU_P9_DFP_MISC_2): New macro definition.
19206         (BU_P9_DFP_OVERLOAD_1): New macro definition.
19207         (BU_P9_DFP_OVERLOAD_2): New macro definition.
19208         (BU_P9_DFP_OVERLOAD_3): New macro definition.
19209         (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
19210         (TSTSFI_LT_TD): Likewise.
19211         (TSTSFI_EQ_DD): Likewise.
19212         (TSTSFI_EQ_TD): Likewise.
19213         (TSTSFI_GT_DD): Likewise.
19214         (TSTSFI_GT_TD): Likewise.
19215         (TSTSFI_OV_DD): Likewise.
19216         (TSTSFI_OV_TD): Likewise.
19217         (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
19218         (TSTSFI_LT_DD): Likewise.
19219         (TSTSFI_LT_TD): Likewise.
19220         (TSTSFI_EQ): Likewise.
19221         (TSTSFI_EQ_DD): Likewise.
19222         (TSTSFI_EQ_TD): Likewise.
19223         (TSTSFI_GT): Likewise.
19224         (TSTSFI_GT_DD): Likewise.
19225         (TSTSFI_GT_TD): Likewise.
19226         (TSTSFI_OV): Likewise.
19227         (TSTSFI_OV_DD): Likewise.
19228         (TSTSFI_OV_TD): Likewise.
19229         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
19230         overloaded test significance functions.
19231         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
19232         OPTION_MASK_P9_MISC into the representation of this mask.
19233         (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
19234         of this mask.
19235         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
19236         RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
19237         non-zero.
19238         (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
19239         argument is a 6-bit unsigned literal value if the icode argument
19240         represents a DFP test significance built-in call.
19241         (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
19242         flag used independently and in combination with the
19243         RS6000_BTM_64BIT flag.
19244         (rs6000_opt_masks): Add entry for power9-misc command-line option.
19245         (rs6000_builtin_mask_names): Add entry for power9-misc
19246         command-line option.
19247         * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
19248         HAVE_AS_POWER9 is not a defined macro.  Define MASK_P9_MISC and
19249         RS6000_BTM_P9_MISC macros.
19250         * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
19251         option and change the description of the -mpower9-vector option to
19252         enable only vector instructions, removing its erroneously claimed
19253         support for scalar instructions.
19254         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
19255         the ISA 3.0 digital floating point test significance built-in
19256         functions.
19258 2016-06-30  Wilco Dijkstra  <wdijkstr@arm.com>
19260         * config/aarch64/aarch64.c (cortexa35_tunings):
19261         Enable AES fusion.  Use cortexa57_branch_cost.
19262         (cortexa53_tunings): Use cortexa57_branch_cost.
19263         (cortexa72_tunings): Use cortexa57_branch_cost.
19264         Use AUTOPREFETCHER_WEAK.
19265         (cortexa73_tunings): Use cortexa57_branch_cost.
19267 2016-06-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19268             James Greenhalgh  <james.greenhalgh@arm.com>
19270         * config/aarch64/arm_neon.h (vcopyq_lane_f32, vcopyq_lane_f64,
19271         vcopyq_lane_p8, vcopyq_lane_p16, vcopyq_lane_s8, vcopyq_lane_s16,
19272         vcopyq_lane_s32, vcopyq_lane_s64, vcopyq_lane_u8, vcopyq_lane_u16,
19273         vcopyq_lane_u32, vcopyq_lane_u64): Reimplement in C.
19274         (vcopy_lane_f32, vcopy_lane_f64, vcopy_lane_p8, vcopy_lane_p16,
19275         vcopy_lane_s8, vcopy_lane_s16, vcopy_lane_s32, vcopy_lane_s64,
19276         vcopy_lane_u8, vcopy_lane_u16, vcopy_lane_u32, vcopy_lane_u64,
19277         vcopy_laneq_f32, vcopy_laneq_f64, vcopy_laneq_p8, vcopy_laneq_p16,
19278         vcopy_laneq_s8, vcopy_laneq_s16, vcopy_laneq_s32, vcopy_laneq_s64,
19279         vcopy_laneq_u8, vcopy_laneq_u16, vcopy_laneq_u32, vcopy_laneq_u64,
19280         vcopyq_laneq_f32, vcopyq_laneq_f64, vcopyq_laneq_p8, vcopyq_laneq_p16,
19281         vcopyq_laneq_s8, vcopyq_laneq_s16, vcopyq_laneq_s32, vcopyq_laneq_s64,
19282         vcopyq_laneq_u8, vcopyq_laneq_u16, vcopyq_laneq_u32, vcopyq_laneq_u64):
19283         New intrinsics.
19285 2016-06-30  James Greenhalgh  <james.greenhalgh@arm.com>
19286             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19288         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
19289         New define_insn.
19290         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
19292 2016-06-30  David Malcolm  <dmalcolm@redhat.com>
19294         PR driver/71651
19295         * gcc.c (driver::build_option_suggestions): Pass "option" to
19296         add_misspelling_candidates.
19297         * opts-common.c (add_misspelling_candidates): Add "option" param;
19298         use it to avoid adding negated forms for options marked with
19299         RejectNegative.
19300         * opts.h (add_misspelling_candidates): Add "option" param.
19302 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
19304         PR middle-end/71693
19305         * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
19306         TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
19307         first when permuting bitwise operation with rotate.  Cast
19308         TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
19310 2016-06-29  David Malcolm  <dmalcolm@redhat.com>
19312         * opts.c (handle_param): Use find_param_fuzzy to offer suggestions
19313         for misspelled param names.
19314         * params.c: Include spellcheck.h.
19315         (find_param_fuzzy): New function.
19316         * params.h (find_param_fuzzy): New prototype.
19317         * spellcheck.c (struct edit_distance_traits<const char *>): Move to...
19318         * spellcheck.h (struct edit_distance_traits<const char *>):
19319         ...here.
19321 2016-06-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
19323         * config/rs6000/predicates.md (const_0_to_7_operand): New
19324         predicate, recognize 0..7.
19325         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
19326         support for doing extracts from V16QImode, V8HImode, V4SImode
19327         under ISA 3.0.
19328         * config/rs6000/vsx.md (VSX_EXTRACT_I): Mode iterator for ISA 3.0
19329         vector extract support.
19330         (VSX_EXTRACT_PREDICATE): Mode attribute to validate element number
19331         for ISA 3.0 vector extract.
19332         (VSX_EX): Constraints to use for ISA 3.0 vector extract.
19333         (vsx_extract_<mode>, VSX_EXTRACT_I): Add support for doing
19334         extracts of a constant element number from small integer vectors
19335         on 64-bit ISA 3.0 systems.
19336         (vsx_extract_<mode>_di): Likewise.
19337         * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): New target macro to
19338         say when we can do ISA 3.0 vector extracts.
19339         * config/rs6000/rs6000.md (stfiwx): Allow DImode in Altivec
19340         registers, using the stxsiwx instruction.
19342 2016-06-29  Jim Wilson  <jim.wilson@linaro.org>
19344         * config/aarch64/aarch64-cores.def (qdf24xx): Use qdf24xx tuning.
19345         * config/aarch64/aarch64.c (qdf24xx_addrcost_table,
19346         qdf24xx_regmove_cost, qdf24xx_tunings): New.
19347         * config/arm/aarch64-cost-tables.h (qdf24xx_extra_costs): New.
19348         * config/arm/arm-cores.def (qdf24xx): Use qdf24xx tuning.
19349         * config/arm/arm.c (arm_qdf24xx_tune): New.
19351 2016-06-29  Wilco Dijkstra  <wdijkstr@arm.com>
19353         * config/aarch64/aarch64.c (cortexa53_tunings):
19354         Increase loop alignment to 8.  Set function alignment to 16.
19355         (cortexa35_tunings): Likewise.
19356         (cortexa57_tunings): Increase loop alignment to 8.
19357         (cortexa72_tunings): Likewise.
19358         (cortexa73_tunings): Likewise.
19360 2016-06-29  Matthew Wahab  <matthew.wahab@arm.com>
19362         * doc/sourcebuild.texi (Effective-Target keywords): Add entries
19363         for arm_fp16_ok and arm_fp16_hw.
19364         (Add Options): Add entries for arm_fp16, arm_fp16_ieee and
19365         arm_fp16_alternative.
19367 2016-06-29  Ilya Enkovich  <ilya.enkovich@intel.com>
19369         PR tree-optimization/71655
19370         * tree-vect-stmts.c (vectorizable_comparison): Swap definition
19371         types when swapping operands.
19373 2016-06-29  Martin Liska  <mliska@suse.cz>
19375         PR middle-end/71585
19376         * common.opt (flag_stack_protect): Mark the flag as optimization flag.
19377         * ipa-inline-transform.c (inline_call): Remove unnecessary call
19378         of build_optimization_node.
19380 2016-06-29  Yuri Rumyantsev  <ysrumyan@gmail.com>
19382         PR tree-optimization/70729
19383         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
19384         independent in loops having positive safelen value.
19385         * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
19386         it may be not valid after vectorization.
19388 2016-06-29  Jakub Jelinek  <jakub@redhat.com>
19390         PR tree-optimization/71625
19391         * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument.  Assume list
19392         is sorted by ascending list->offset.  If PTR is non-NULL and there is
19393         previous strinfo, call get_stridx_plus_constant.
19394         (get_stridx): Pass exp as second argument to get_addr_stridx.
19395         (addr_stridxptr): Add missing list = list->next, so that there can be
19396         more than one entries in the list.  Bump limit from 16 to 32.  Ensure
19397         the list is sorted by ascending list->offset.
19398         (get_stridx_plus_constant): Adjust so that it can be also called with
19399         ADDR_EXPR instead of SSA_NAME as PTR.
19400         (handle_char_store): Pass NULL_TREE as second argument to
19401         get_addr_stridx.
19403 2016-06-29  Richard Biener  <rguenther@suse.de>
19405         PR rtl-optimization/68961
19406         * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
19408 2016-06-29  Richard Biener  <rguenther@suse.de>
19410         PR middle-end/71002
19411         * alias.c (component_uses_parent_alias_set_from): Handle
19412         type punning through union accesses by using the union alias set.
19413         * gimple.c (gimple_get_alias_set): Remove union type punning case.
19415 2016-07-29  Richard Biener  <rguenther@suse.de>
19417         * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
19418         precision not matching mode precision.
19420 2016-06-28  John David Anglin  <danglin@gcc.gnu.org>
19422         * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
19423         pa_output_arg_descriptor.
19424         (call_val_symref_64bit_post_reload): Likewise.
19425         (call_val_powf_64bit_post_reload): Likewise.
19426         (sibcall_internal_symref_64bit): Likewise.
19427         (sibcall_value_internal_symref_64bit): Likewise.
19429 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
19431         PR middle-end/71626
19432         * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
19433         a constant, force its SUBREG_REG into memory or register instead
19434         of whole op1.
19436 2016-06-28  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
19438         PR target/58655
19439         * config/avr/avr.opt (-mfract-convert-truncate): Update description.
19440         * doc/invoke.texi (AVR Options): Document it.
19442 2016-06-28  Walter Lee  <walt@tilera.com>
19444         * config/tilegx/linux.h: Do not include arch/icache.h
19445         (CLEAR_INSN_CACHE): Provide inlined definition directly.
19446         * config/tilepro/linux.h: Do not include arch/icache.h
19447         (CLEAR_INSN_CACHE): Provide inlined definition directly.
19449 2016-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
19451         * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
19452         for big-endian BIT_FIELD_REF.
19454 2016-06-28  Pat Haugen  <pthaugen@us.ibm.com>
19456         * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
19457         ('size' attribute): Add '128'.
19458         Include power9.md.
19459         (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
19460         *movdi_internal64, *movdf_update1): Set size attribute to '64'.
19461         (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
19462         copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
19463         *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
19464         extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
19465         *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
19466         *trunc<mode>df2_odd): Set size attribute to '128'.
19467         (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
19468         * config/rs6000/power6.md (power6-fp): Include dfp type.
19469         * config/rs6000/power7.md (power7-fp): Likewise.
19470         * config/rs6000/power8.md (power8-fp): Likewise.
19471         * config/rs6000/power9.md: New file.
19472         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
19473         * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
19474         *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
19475         htmsimple.
19476         * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
19477         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
19478         divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
19479         ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
19480         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
19481         dfp_dscri_<mode>): Change type attribute to dfp.
19482         * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
19483         attribute to vecsimple.
19484         * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
19485         and prefetch streams.
19486         (rs6000_option_override_internal): Remove temporary code setting
19487         tuning to power8.  Don't set rs6000_sched_groups for power9.
19488         (last_scheduled_insn): Change to rtx_insn *.
19489         (divide_cnt, vec_load_pendulum): New variables.
19490         (rs6000_adjust_cost): Add Power9 to test for store->load separation.
19491         (rs6000_issue_rate): Set issue rate for Power9.
19492         (is_power9_pairable_vec_type): New.
19493         (power9_sched_reorder2): New.
19494         (rs6000_sched_reorder2): Call new function for Power9 specific
19495         reordering.
19496         (insn_must_be_first_in_group): Remove Power9.
19497         (insn_must_be_last_in_group): Likewise.
19498         (force_new_group): Likewise.
19499         (rs6000_sched_init): Fix initialization of last_scheduled_insn.
19500         Initialize divide_cnt/vec_load_pendulum.
19501         (_rs6000_sched_context, rs6000_init_sched_context,
19502         rs6000_set_sched_context): Handle context save/restore of new
19503         variables.
19505 2016-06-28  Richard Biener  <rguenther@suse.de>
19507         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
19508         Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
19509         COMPONENT_REF operand.
19510         (nonoverlapping_component_refs_p): Likewise.
19511         * stor-layout.c (start_bitfield_representative): Mark
19512         DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
19514 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
19516         * Makefile.in: Don't cat ../stage_current if it does not exist.
19518         * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
19519         last argument is a bit-field.
19521         PR rtl-optimization/71673
19522         * internal-fn.c (expand_arith_overflow_result_store): Use
19523         OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
19524         expand_simple_binop.
19526         PR middle-end/66867
19527         * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
19528         expand_ifn_atomic_compare_exchange): New functions.
19529         * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
19530         * tree.h (build_call_expr_internal_loc): Rename to ...
19531         (build_call_expr_internal_loc_array): ... this.  Fix up type of
19532         last argument.
19533         * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
19534         * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
19535         ATOMIC_COMPARE_EXCHANGE result.
19536         * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
19537         * gimple-fold.h (optimize_atomic_compare_exchange_p,
19538         fold_builtin_atomic_compare_exchange): New prototypes.
19539         * gimple-fold.c (optimize_atomic_compare_exchange_p,
19540         fold_builtin_atomic_compare_exchange): New functions..
19541         * tree-ssa.c (execute_update_addresses_taken): If
19542         optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
19543         of call when finding addressable vars, and if such var becomes
19544         non-addressable, call fold_builtin_atomic_compare_exchange.
19546 2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
19548         PR target/71670
19549         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
19550         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
19552 2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
19554         * config/rs6000/rs6000.md ('type' attribute): Add
19555         veclogical,veccmpfx,vecexts,vecmove insn types.
19556         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
19557         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
19558         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
19559         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
19560         *nabs<mode>2_hw): Change type to vecmove.
19561         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
19562         *boolcc<mode>3_internal, *eqv<mode>3_internal,
19563         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
19564         *ieee_128bit_vsx_abs<mode>2_internal,
19565         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
19566         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
19567         *ieee128_mtvsrd_32bit): Change type to veclogical.
19568         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
19569         *movdi_internal32, *movdi_internal64): Update insn types.
19570         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
19571         vsx_extract_<mode>): Change type to veclogical.
19572         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
19573         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
19574         *vsx_sign_extend_si_v2di): Change type to vecexts.
19575         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
19576         type to veclogical.
19577         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
19578         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
19579         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
19580         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
19581         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
19582         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
19583         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
19584         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
19585         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
19586         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
19587         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
19588         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
19589         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
19590         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
19591         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
19592         (ppc7450-vecsimple): Add veclogical, vecmove.
19593         (ppc7450-veccmp): Add veccmpfx.
19594         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
19595         vecmove.
19596         (ppc8540_vector_compare): Add veccmpfx.
19597         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
19598         * config/rs6000/cell.md (cell-fp): Add fpsimple.
19599         (cell-vecsimple): Add veclogical, vecmove.
19600         (cell-veccmp): Add veccmpfx.
19601         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
19602         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
19603         veccmpfx.
19604         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
19605         * config/rs6000/power4.md (power4-fp): Add fpsimple.
19606         (power4-vecsimple): Add veclogical, vecmove.
19607         (power4-veccmp): Add veccmpfx.
19608         * config/rs6000/power5.md (power5-fp): Add fpsimple.
19609         * config/rs6000/power6.md (power6-fp): Add fpsimple.
19610         (power6-vecsimple): Add veclogical, vecmove.
19611         (power6-veccmp): Add veccmpfx.
19612         * config/rs6000/power7.md (power7-fp): Add fpsimple.
19613         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
19614         * config/rs6000/power8.md (power8-fp): Add fpsimple.
19615         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
19616         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
19617         * config/rs6000/titan.md (titan_fp): Add fpsimple.
19618         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
19619         fpsimple.
19620         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
19622 2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
19624         PR target/71656
19625         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
19626         OPTION_MASK_P9_DFORM_VECTOR.
19627         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
19628         disable -mpower9-dform-vector when using reload.
19629         (quad_address_p): Remove 'gpr_p' argument and all associated code.
19630         New 'strict' argument.  Update all callers.  Add strict addressing
19631         support.
19632         (rs6000_legitimate_offset_address_p): Remove call to
19633         virtual_stack_registers_memory_p.
19634         (rs6000_legitimize_reload_address): Add quad address support.
19635         (rs6000_legitimate_address_p): Move call to quad_address_p above
19636         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
19637         to account for new strict usage.
19638         (rs6000_output_move_128bit): Adjust quad_address_p args to account
19639         for new strict usage.
19640         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
19642 2016-06-26  Uros Bizjak  <ubizjak@gmail.com>
19644         PR target/70902
19645         PR target/71453
19646         PR target/71555
19647         PR target/71596
19648         PR target/71657
19649         * config/i386/i386.c (ix86_spill_class): Disable condition to
19650         always return NO_REGS.
19652 2016-06-26  Jan Hubicka  <hubicka@ucw.cz>
19654         * predict.c: Include gimple-pretty-print.h
19655         (predicted_by_loop_heuristics_p): Check also
19656         PRED_LOOP_EXIT_WITH_RECURSION
19657         (predict_loops): Find self recursive calls and use special purpose
19658         predictors for them; dump log about decisions.
19659         (pass_profile::execute): Dump info about #of iterations.
19660         * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
19661         (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
19663 2016-06-26  John David Anglin  <danglin@gcc.gnu.org>
19665         * config/pa/pa.c (pa_output_indirect_call): Rework to combine
19666         output_asm_insn calls and shorten long lines.  Output .CALL
19667         argument descriptor using pa_output_arg_descriptor.  Add various
19668         inline $$dyncall and other optimizations.
19669         (pa_attr_length_indirect_call): Adjust ordering and lengths.
19671 2016-06-25  Jakub Jelinek  <jakub@redhat.com>
19673         PR tree-optimization/71643
19674         * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
19675         EH preds.
19677         * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
19678         leak a bitmap if dep_bb is NULL.
19680         PR tree-optimization/71631
19681         * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
19682         to rewrite_expr_tree even if negate_result, move new_lhs var
19683         declaration and initialization earlier, for powi_result set afterwards
19684         new_lhs to lhs.  For negate_result, use new_lhs instead of tmp
19685         if new_lhs != lhs, and don't shadow gsi var.
19687 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
19689         * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
19690         Add in_loop parameter.
19691         (predict_loops): Add loop guard heuristics.
19692         * predict.def (PRED_LOOP_GUARD): New heuristics.
19694 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
19696         * predict.c: Include ipa-utils.h
19697         (tree_bb_level_prediction): Predict recursive calls.
19698         (tree_estimate_probability_bb): Skip inexpensive calls for call
19699         predictor.
19700         * predict.def (PRED_RECURSIVE_CALL): New.
19702 2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19704         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
19705         (BU_FLOAT128_1): Likewise.
19706         (FABSQ): Likewise.
19707         (COPYSIGNQ): Likewise.
19708         (RS6000_BUILTIN_NANQ): Likewise.
19709         (RS6000_BUILTIN_NANSQ): Likewise.
19710         (RS6000_BUILTIN_INFQ): Likewise.
19711         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
19712         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
19713         (TARGET_FOLD_BUILTIN): New #define.
19714         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
19715         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
19716         (rs6000_fold_builtin): New target hook implementation, handling
19717         folding of 128-bit NaNs and infinities.
19718         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
19719         entries are filled in to avoid problems during bootstrap
19720         self-test; define builtins for 128-bit NaNs and infinities.
19721         (rs6000_opt_mask): Add entry for float128.
19722         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
19723         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
19724         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
19725         (const_str_type_node): New #define.
19726         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
19727         to a define_expand that dispatches to either copysign<mode>3_soft
19728         or copysign<mode>3_hard.
19729         (copysign<mode>3_hard): Rename from copysign<mode>3.
19730         (copysign<mode>3_soft): New define_insn.
19731         * doc/extend.texi: Document new builtins.
19733 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
19735         * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
19736         PRIu64 instead of lu.
19738 2016-06-24  Eric Botcazou  <ebotcazou@adacore.com>
19740         PR debug/71642
19741         * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
19742         copy the type name.
19744 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
19746         PR tree-optimization/71647
19747         * omp-low.c (lower_rec_input_clauses): Convert
19748         omp_clause_aligned_alignment (c) to size_type_node for the
19749         last argument of __builtin_assume_aligned.
19751 2016-06-24  H.J. Lu  <hongjiu.lu@intel.com>
19753         * configure.ac (calling ___tls_get_addr via GOT): New
19754         assembler/linker check.
19755         (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New.  Defined to 1 if 32-bit
19756         assembler and linker supports calling ___tls_get_addr via GOT.
19757         Otherise, defined to 0.
19758         * config.in: Regenerated.
19759         * configure: Likewise.
19760         * config/i386/constraints.md (Yb): New constraint.
19761         * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
19762         (REG_CLASS_NAMES): Likewise.
19763         (REG_CLASS_CONTENTS): Likewise.
19764         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
19765         the b constraint with the Yb constraint.  Call ___tls_get_addr
19766         via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
19767         is 1.
19768         (*tls_local_dynamic_base_32_gnu): Likewise.
19769         (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
19770         GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
19771         (*tls_local_dynamic_base_64_<mode>): Likewise.
19773 2016-06-24  Martin Liska  <mliska@suse.cz>
19775         * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
19776         * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
19777         few functions.
19778         * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
19779         argument to true if the expected number of iterations is
19780         loop-based.
19782 2016-06-24  Uros Bizjak  <ubizjak@gmail.com>
19784         * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
19785         assemble for 32bit target.
19786         (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
19787         and $ld_ix86_gld_32_opt to link for 32bit target.
19788         (HAVE_AS_IX86_TLSLDMPLT): Ditto.
19789         * configure: Regenerate.
19791 2016-06-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19793         * config/arm/arm.c (int_log2): Delete definition and prototype.
19794         (shift_op): Use exact_log2 instead of int_log2.
19795         (vfp3_const_double_for_fract_bits): Likewise.
19797 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
19799         * internal-fn.c (expand_arith_set_overflow): New function.
19800         (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
19801         Use it.
19802         (expand_arith_overflow_result_store): Likewise.  Handle precision
19803         smaller than mode precision.
19804         * tree-vrp.c (extract_range_basic): For imag part, handle
19805         properly signed 1-bit precision result.
19806         * doc/extend.texi (__builtin_add_overflow): Document that last
19807         argument can't be pointer to enumerated or boolean type.
19808         (__builtin_add_overflow_p): Document that last argument can't
19809         have enumerated or boolean type.
19811 2016-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
19812             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19814         * config/rs6000/predicates.md (splat_input_operand): Rework.
19815         Don't allow constants, since the insns that use this predicate
19816         don't support constants.  Constants are handled by other insns
19817         that are created via combine.  During and after register
19818         allocation, only allow indexed or indirect addresses, and not
19819         general addresses.  Only allow modes supported by the hardware.
19820         * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
19821         comment.  Move check for using VSPLTIS<x> to a common location,
19822         instead of doing it in two different places.
19824 2016-06-23  Jocelyn Mayer  <l_indien@magic.fr>
19826         * config/i386/driver-i386.c (host_detect_local_cpu): Set
19827         PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
19828         <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
19829         signature_CENTAUR_ebx.
19831 2016-06-23  H.J. Lu  <hongjiu.lu@intel.com>
19833         PR target/66232
19834         PR target/67400
19835         * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
19836         (as_ix86_gas_32_opt): This.
19837         (ld_ix86_tls_ldm_opt): Renamed to ...
19838         (ld_ix86_gld_32_opt): This.
19839         (R_386_TLS_LDM reloc): Updated.
19840         (R_386_GOT32X reloc): New assembler/linker check.
19841         (HAVE_AS_IX86_GOT32X): New.  Defined to 1 if 32-bit assembler and
19842         linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT".  Otherise,
19843         defined to 0.
19844         * config.in: Regenerated.
19845         * configure: Likewise.
19846         * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
19847         true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
19848         (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
19849         if ix86_force_load_from_GOT_p returns true.
19850         (ix86_print_operand_address_as): Also support UNSPEC_GOT if
19851         ix86_force_load_from_GOT_p returns true.
19852         (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
19853         the external function address via the GOT slot.
19854         (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
19855         HAVE_AS_IX86_GOT32X before returning false.
19856         (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
19857         32-bit mode if ix86_nopic_noplt_attribute_p returns true.
19859 2016-06-23  Eric Botcazou  <ebotcazou@adacore.com>
19861         * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
19863 2016-06-23  Andi Kleen  <ak@linux.intel.com>
19865         * Makefile.in: Regenerate.
19866         * doc/install.texi: Document autoprofiledbootstrap.
19868 2016-06-23  Andi Kleen  <ak@linux.intel.com>
19870         * config/i386/gcc-auto-profile: New file.
19872 2016-06-23  Martin Liska  <mliska@suse.cz>
19874         PR middle-end/71619
19875         * predict.c (predict_loops): Revert the hunk that was removed
19876         in r237103.
19878 2016-06-23  Jakub Sejdak  <jakub.sejdak@phoesys.com>
19880         * config.gcc: Add support for arm*-*-phoenix* targets.
19881         * config/arm/t-phoenix: New.
19882         * config/phoenix.h: New.
19884 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
19885             H.J. Lu  <hongjiu.lu@intel.com>
19887         PR target/67400
19888         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
19889         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
19890         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
19891         ix86_force_load_from_GOT_p returns true.
19892         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
19893         ix86_force_load_from_GOT_p returns true.
19894         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
19895         ix86_force_load_from_GOT_p returns true.
19896         (ix86_expand_move): Load the external function address via the
19897         GOT slot if ix86_force_load_from_GOT_p returns true.
19898         * config/i386/predicates.md (x86_64_immediate_operand): Return
19899         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
19900         (x86_64_zext_immediate_operand): Ditto.
19902 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
19904         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
19906 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
19908         PR c/70339
19909         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
19910         * diagnostic.c (pedwarn_at_rich_loc): New function.
19911         * spellcheck.h (best_match::best_match): Add a
19912         "best_distance_so_far" optional parameter.
19913         (best_match::set_best_so_far): New method.
19914         (best_match::get_best_distance): New accessor.
19915         (best_match::get_best_candidate_length): New accessor.
19917 2016-06-22  Nick Clifton  <nickc@redhat.com>
19919         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
19920         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
19921         modes are accepted as well.
19922         (ucompare_loc_descriptor): Likewise.
19923         (minmax_loc_descriptor): Likewise.
19924         (clz_loc_descriptor): Likewise.
19925         (popcount_loc_descriptor): Likewise.
19926         (bswap_loc_descriptor): Likewise.
19927         (rotate_loc_descriptor): Likewise.
19928         (mem_loc_descriptor): Likewise.
19929         (loc_descriptor): Likewise.
19931 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
19933         * common.opt (fdiagnostics-parseable-fixits): New option.
19934         * diagnostic.c: Include "selftest.h".
19935         (print_escaped_string): New function.
19936         (print_parseable_fixits): New function.
19937         (diagnostic_report_diagnostic): Call print_parseable_fixits.
19938         (selftest::assert_print_escaped_string): New function.
19939         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
19940         (selftest::test_print_escaped_string): New function.
19941         (selftest::test_print_parseable_fixits_none): New function.
19942         (selftest::test_print_parseable_fixits_insert): New function.
19943         (selftest::test_print_parseable_fixits_remove): New function.
19944         (selftest::test_print_parseable_fixits_replace): New function.
19945         (selftest::diagnostic_c_tests): New function.
19946         * diagnostic.h (struct diagnostic_context): Add field
19947         "parseable_fixits_p".
19948         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
19949         -fdiagnostics-parseable-fixits.
19950         (-fdiagnostics-parseable-fixits): New option.
19951         * opts.c (common_handle_option): Handle
19952         -fdiagnostics-parseable-fixits.
19953         * selftest-run-tests.c (selftest::run_tests): Call
19954         selftest::diagnostic_c_tests.
19955         * selftest.h (selftest::diagnostic_c_tests): New prototype.
19957 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
19959         PR tree-optimization/71488
19960         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
19961         comparison of boolean vectors.
19962         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
19963         of boolean vectors using bitwise operations.
19965 2016-06-22  Andreas Schwab  <schwab@suse.de>
19967         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
19968         Remove declaration.
19970 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
19972         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
19974 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19976         * config/i386/i386.c (print_reg): Emit an error message on attempt to
19977         print FLAGS_REG.
19979 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19981         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
19982         * config/arm/arm-cores.def (cortex-a73): New entry.
19983         (cortex-a73.cortex-a35): Likewise.
19984         (cortex-a73.cortex-a53): Likewise.
19985         * config/arm/arm-tables.opt: Regenerate.
19986         * config/arm/arm-tune.md: Likewise.
19987         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
19988         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
19989         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
19990         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
19991         * doc/invoke.texi (ARM Options): Document cortex-a73,
19992         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
19994 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19996         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
19997         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
19998         (cortex-a73.cortex-a35): Likewise.
19999         (cortex-a73.cortex-a53): Likewise.
20000         * config/aarch64/aarch64-tune.md: Regenerate.
20001         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
20002         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
20003         -mcpu and -mtune.
20005 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20007         * configure.ac (gcc_cv_as_compress_debug): Remove
20008         --compress-debug-sections as extra as switch.
20009         Handle gas --compress-debug-sections=type.
20010         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
20011         Handle gld --compress-debug-sections=type.
20012         * configure: Regenerate.
20014 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
20016         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
20018 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
20020         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
20021         (do_rewrite): likewise.
20023 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
20025         * common/config/mep/mep-common.c: Remove.
20026         * config.gcc: Remove mep-* support.
20027         * config/mep/constraints.md: Remove.
20028         * config/mep/default.h: Remove.
20029         * config/mep/intrinsics.h: Remove.
20030         * config/mep/intrinsics.md: Remove.
20031         * config/mep/ivc2-template.h: Remove.
20032         * config/mep/mep-c5.cpu: Remove.
20033         * config/mep/mep-core.cpu: Remove.
20034         * config/mep/mep-default.cpu: Remove.
20035         * config/mep/mep-ext-cop.cpu: Remove.
20036         * config/mep/mep-intrin.h: Remove.
20037         * config/mep/mep-ivc2.cpu: Remove.
20038         * config/mep/mep-pragma.c: Remove.
20039         * config/mep/mep-protos.h: Remove.
20040         * config/mep/mep.c: Remove.
20041         * config/mep/mep.cpu: Remove.
20042         * config/mep/mep.h: Remove.
20043         * config/mep/mep.md: Remove.
20044         * config/mep/mep.opt: Remove.
20045         * config/mep/predicates.md: Remove.
20046         * config/mep/t-mep: Remove.
20047         * doc/install.texi: Remove mep-* documentation.
20048         * doc/md.texi: Likewise.
20050 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
20052         * config.gcc: Remove support for avr-rtems.
20053         * config/avr/gen-avr-mmcu-specs.c: Likewise.
20054         * config/avr/rtems.h: Remove.
20055         * config/avr/t-rtems: Remove.
20057 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
20059         * config.gcc: Remove m32r-rtems support.
20060         * config/m32r/rtems.h: Remove.
20062 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
20064         * config.gcc: Remove h8300-rtems support.
20065         * config/h8300/rtems.h: Remove.
20066         * config/h8300/t-rtems: Remove.
20068 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
20070         * config.gcc: Remove support for knetbsd.
20071         * configure.ac: Likewise.
20072         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
20073         * config/knetbsd-gnu.h: Remove.
20074         * configure: Regenerate.
20076 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
20078         * config.gcc: Remove support for openbsd 2 and 3.
20079         * config/openbsd-oldgas.h: Remove.
20081 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
20083         * config.gcc: Remove interix support.
20084         * config/i386/i386-interix.h: Remove.
20085         * config/i386/interix.opt: Remove.
20086         * config/i386/t-interix: Remove.
20087         * configure: Regenerate.
20088         * configure.ac: Remove interix support.
20089         * doc/install.texi: Remove interix documentation.
20091 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20093         * config/rs6000/rs6000.h: Add conditional preprocessing directives
20094         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
20095         not defined.
20097 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
20099         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
20100         they are both PLACEHOLDER_EXPRs.
20102 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
20104         * stor-layout.c (layout_type): Move setting complex MODE to
20105         layout_type, instead of setting it ahead of time by the caller.
20106         * tree.c (build_complex_type): Likewise.
20108 2016-06-21  Martin Liska  <mliska@suse.cz>
20110         * predict.c (force_edge_cold): Replace imposisble with
20111         impossible.
20113 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
20115         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
20116         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
20118 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
20120         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
20122 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
20123             Ilya Enkovich  <ilya.enkovich@intel.com>
20125         PR target/71549
20126         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
20127         New member function to convert V1TImode register to SUBREG
20128         TImode in debug insn.
20129         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
20130         after changing register mode to V1TImode.
20132 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
20134         * config/aarch64/aarch64-cores.def (vulcan): New core.
20135         * config/aarch64/aarch64-tune.md: Regenerate.
20136         * doc/invoke.texi: Document vulcan as an available option.
20138 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
20140         * cse.c (canon_asm_operands): New function extracted from...
20141         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
20142         either standalone or member of a PARALLEL.
20144 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
20146         PR target/30417
20147         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
20148         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
20149         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
20151 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
20153         PR target/71103
20154         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
20155         constant addresses if can_create_pseudo_p.
20157 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
20159         PR tree-optimization/71588
20160         * tree-ssa-strlen.c (valid_builtin_call): New function.
20161         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
20162         it.
20164 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
20166         PR middle-end/71581
20167         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
20168         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
20169         for conversion of scalar user var to complex type and use the
20170         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
20171         punt.
20173         PR rtl-optimization/71591
20174         * toplev.c (toplev::run_self_tests): If no_backend, complain and
20175         don't run any tests.
20177 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
20179         PR target/71571
20180         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
20181         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
20182         space for PIC with non-v32 and the common non-PIC "jump".
20184 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
20186         PR target/71559
20187         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
20188         returned values and add UN*/LTGT/*ORDERED cases with values matching
20189         D operand modifier on vcmp for AVX.
20191 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
20193         * config/aarch64/aarch64.opt
20194         (mpc-relative-literal-loads): Rename internal option name.
20195         * config/aarch64/aarch64.c
20196         (aarch64_nopcrelative_literal_loads): Rename to
20197         aarch64_pcrelative_literal_loads.
20198         (aarch64_expand_mov_immediate): Likewise.
20199         (aarch64_secondary_reload): Likewise.
20200         (aarch64_can_use_per_function_literal_pools_p): Likewise.
20201         (aarch64_override_options_after_change_1): Rename and simplify logic.
20202         (aarch64_classify_symbol): Merge large model checks into switch,
20203         remove pc-relative load check.
20205 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
20207         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
20208         costs relative to the cost of a register move.
20210 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
20212         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
20213         (vcvt_n_f64_u64): Likewise.
20214         (vcvt_n_s64_f64): Likewise.
20215         (vcvt_n_u64_f64): Likewise.
20216         (vcvt_f64_s64): Likewise.
20217         (vrecpe_f64): Likewise.
20218         (vcvt_f64_u64): Likewise.
20219         (vrecps_f64): Likewise.
20221 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
20223         * config/aarch64/aarch64.md
20224         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
20225         iterators.
20226         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
20227         attributes.
20228         * config/aarch64/aarch64-builtins.c
20229         (aarch64_types_binop_uss_qualifiers): Delete.
20230         (TYPES_BINOP_USS): Likewise.
20231         (aarch64_types_binop_sus_qualifiers): Likewise.
20232         (TYPES_BINOP_SUS): Likewise.
20233         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
20234         (TYPES_FCVTIMM_SUS): Likewise.
20235         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
20236         rather than BINOP.
20237         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
20238         (fcvtzs): Use SHIFTIMM rather than BINOP.
20239         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
20241 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
20243         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
20244         costs relative to the cost of a register move.
20246 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
20248         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
20249         Allow scalar/single vector modes to be tieable.
20251 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
20253         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
20255 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20257         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
20258         "alignement".
20259         * tree.h (TYPE_ALIGN): Likewise.
20261 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
20263         PR target/71103
20264         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
20266 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
20268         * config/avr/avr.c (avr_print_operand): Fix "format not a string
20269         literal" build warnings.
20270         (avr_print_operand_address): Dito.
20272 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
20274         PR target/71375
20275         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
20276         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
20278 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
20280         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
20282 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
20284         PR bootstrap/71435
20285         * reload1.c (reload): Pass 0 to finish_spills when called because
20286         update_eliminables_and_spill returns true and remove did_spill.
20287         (finish_spills): Adjust comment and document GLOBAL parameter.
20289 2016-06-17  DJ Delorie  <dj@redhat.com>
20291         PR target/71338
20292         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
20293         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
20294         (umulqihi3_virt): Likewise.
20295         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
20296         (umulqihi3_real): Likewise.
20298 2016-06-17  Martin Liska  <mliska@suse.cz>
20300         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
20302 2016-06-17  Martin Liska  <mliska@suse.cz>
20304         * predict.def: PRED_LOOP_EXIT from 92 to 85.
20306 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
20308         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
20309         __FAST_MATH__.
20310         (vaddq_f32): Likewise.
20311         (vmul_f32): Likewise.
20312         (vmulq_f32): Likewise.
20313         (vsub_f32): Likewise.
20314         (vsubq_f32): Likewise.
20316 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
20318         PR tree-optimization/71347
20319         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
20320         cost for all uses in group.
20322 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
20324         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
20325         insert gimple seq if it's not empty.
20327 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
20329         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
20330         member OFFSET.
20331         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
20332         rather than OFFSET.
20333         (comp_dr_with_seg_len_pair): Ditto.
20334         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
20335         struct dr_with_seg_len_pair against DR_OFFSET.
20336         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
20337         DR_OFFSET directly.
20339 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
20341         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
20343 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
20345         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
20346         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
20347         (pa_output_millicode_call): Likewise.
20348         (pa_output_call): Likewise.
20349         (pa_output_indirect_call): Likewise.
20350         (pa_asm_output_mi_thunk): Likewise.
20352 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20354         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
20356 2016-06-16  Martin Liska  <mliska@suse.cz>
20358         * predict.c (combine_predictions_for_insn): When we find a first
20359         match predictor, we should consider just predictors with
20360         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
20361         DS theory predictor.
20362         (combine_predictions_for_bb): Likewise.
20364 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
20366         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
20367         with base of reference to struct.
20369 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
20371         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
20373 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
20375         PR target/71151
20376         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
20377         progmem_swtable_section.
20378         (progmem_swtable_section): Remove.
20379         (avr_asm_function_rodata_section): Remove.
20380         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
20381         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
20383 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
20385         * config/i386/driver-i386.c (host_detect_local_cpu): Set
20386         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
20387         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
20388         signature_CENTAUR_ebx.
20389         * config/i386/i386.c (ix86_option_override_internal): Add
20390         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
20391         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
20392         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
20394 2016-06-16  Martin Liska  <mliska@suse.cz>
20396         * predict.def: Add fortran loop preheader predictor.
20397         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
20398         fold IFN_BUILTIN_EXPECT with a known constant argument.
20400 2016-06-16  Martin Liska  <mliska@suse.cz>
20402         * predict.def: Add 'Fortran' to display text of all
20403         PRED_FORTRAN_* predictors.
20405 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
20407         PR target/71242
20408         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
20409         [IA64_BUILTIN_NANSQ]: Ditto.
20410         (ia64_fold_builtin): New function.
20411         (TARGET_FOLD_BUILTIN): New define.
20412         (ia64_init_builtins) Declare const_string_type node.
20413         Add __builtin_nanq and __builtin_nansq builtin functions.
20414         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
20416 2016-06-16  Nick Clifton  <nickc@redhat.com>
20418         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
20419         MSP430_HWMULT_ prefix to enum values.
20420         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
20421         * config/msp430/msp430.c: Update use of enum values.
20422         * config/msp430/msp430.md: Likewise.
20423         * config/msp430/msp430.opt: Likewise.
20425 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
20427         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
20428         of comparsions in the last iteration.
20430 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
20431             Joern Rennecke  <joern.rennecke@embecosm.com>
20433         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
20434         addresses.
20435         (arc_needs_pcl_p): Add GOTOFFPC.
20436         (arc_legitimate_pic_addr_p): Likewise.
20437         (arc_output_pic_addr_const): Likewise.
20438         (arc_legitimize_pic_address): Generate a pc-relative address using
20439         GOTOFFPC.
20440         (arc_output_libcall): Use @pcl syntax.
20441         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
20442         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
20443         (*movsi_insn): Use @pcl syntax.
20444         (doloop_begin_i): Likewise.
20446 2016-06-16  Martin Liska  <mliska@suse.cz>
20448         * predict.def: Define a new predictor.
20450 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
20452         * config/arc/arc.opt (mtp-regno): Update text.
20454 2016-06-16  Renlin Li  <renlin.li@arm.com>
20456         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
20458 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
20460         PR target/71554
20461         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
20462         (setcc + and peephole2): Likewise.
20464         PR rtl-optimization/71532
20465         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
20466         memory slots.
20468 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
20470         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
20471         DImode constants with XXSPLTIB in vector registers.
20472         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
20473         vsx_extract_<mode>_internal{1,2} into a single insn that handles
20474         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
20475         extraction of the element at the top of the register as a scalar
20476         value.
20477         (vsx_extract_<mode>_internal1): Likewise.
20478         (vsx_extract_<mode>_internal2): Likewise.
20479         * config/rs6000/constraints.md (wi constraint): Remove a comment
20480         about DImode not being allowed in Altivec registers.
20481         (wB constraint): New constraint for constants that can be
20482         generated in Altivec registers with VSPLTISW/VUPKHSW.
20483         * config/rs6000/predicates.md (xxspltib_constant_split): Update
20484         comments.
20485         (xxspltib_constant_nosplit): Likewise.
20486         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
20487         support for -mupper-regs-di to enable DImode to go into Altivec
20488         registers.
20489         (POWERPC_MASKS): Likewise.
20490         (power7 cpu): Likewise.
20491         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
20492         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
20493         for DImode being allowed in Altivec registers.  Update wi/wj
20494         constraints.  Set scalar_in_vmx_p flag.
20495         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
20496         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
20497         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
20498         (rs6000_opt_masks): Add -mupper-regs-di.
20499         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
20500         direct move to use wi and not wj.
20501         (lfiwzx): Likewise.
20502         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
20503         alternative.
20504         (floatunssi<mode>2_lfiwzx_mem): Likewise.
20505         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
20506         any VSX register, instead of just Altivec registers, to allow
20507         either operand to be an Altivec register or both.
20508         (fixuns_trunc<mode>di2_fctiduz): Likewise.
20509         (movdi_internal32): Add support for -mupper-regs-di.  Add support
20510         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
20511         the alternatives and attributes to be lined up to be easier to
20512         read.
20513         (movdi_internal64): Likewise.
20514         (64-bit DImode splitters): Change predicates to only split loading
20515         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
20516         load constants in ISA 3.0 or ISA 2.07 respectively.
20517         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
20518         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
20519         mention -mcpu=power9 sets these options.
20520         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
20521         wB constraint.
20523 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
20525         PR target/67353
20526         * config/avr/avr.c (avr_set_current_function): Warn misspelled
20527         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
20528         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
20529         by default to warn misspelled interrupt/ signal handler.
20530         * doc/invoke.texi (AVR Options): Document it. Update description
20531         for -nodevicelib option.
20533 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20535         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
20536         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
20537         (aarch64_<sur>shll2_n<mode>): Likewise.
20539 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
20541         PR middle-end/71529
20542         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
20543         DECL_CONTEXT for copied arguments.
20545 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
20547         PR tree-optimization/71483
20548         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
20549         for slp
20551 2016-06-15  Martin Liska  <mliska@suse.cz>
20553         * predict.c (tree_predict_by_opcode): Call predict_edge_def
20554         instead of predict_edge w/o a probability.
20556 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
20558         PR tree-optimization/71439
20559         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
20560         live PHIs.
20562 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20564         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
20565         register subregs in SET_SRC.
20567 2016-06-15  Richard Biener  <rguenther@suse.de>
20569         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
20570         store restrictions.
20572 2016-06-15  Richard Biener  <rguenther@suse.de>
20574         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
20575         not consider dependences between accesses that belong to the
20576         same group.
20577         (vect_analyze_data_ref_dependences): Do not analyze read-read
20578         or self-dependences.
20580 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
20582         * spellcheck-tree.c: Include spellcheck-tree.h rather than
20583         spellcheck.h.
20584         (find_closest_identifier): Reimplement in terms of
20585         best_match<tree,tree>.
20586         * spellcheck-tree.h: New file.
20587         * spellcheck.c (struct edit_distance_traits<const char *>): New
20588         struct.
20589         (find_closest_string): Reimplement in terms of
20590         best_match<const char *, const char *>.
20591         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
20592         overload to spellcheck-tree.h.
20593         (find_closest_identifier): Likewise.
20594         (struct edit_distance_traits<T>): New template.
20595         (class best_match): New class.
20597 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
20599         * selftest-run-tests.c (selftest::run_tests): Call
20600         selftest::spellcheck_tree_c_tests.
20601         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
20602         * spellcheck-tree.c: Include selftest.h and stringpool.h.
20603         (selftest::test_find_closest_identifier): New function.
20604         (selftest::spellcheck_tree_c_tests): New function.
20605         * spellcheck.c (selftest::test_find_closest_string): Verify that
20606         the order of the vec does not affect the results for this case.
20607         (selftest::test_data): New array.
20608         (selftest::test_metric_conditions): New function.
20609         (selftest::spellcheck_c_tests): Add a test of case-comparison.
20610         Call selftest::test_metric_conditions.
20612 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20614         * config/rs6000/rs6000-builtin.def (commentary): Typo.
20615         (BU_P9_MISC_1): Likewise.
20616         (BU_P9_64BIT_MISC_0): Likewise.
20617         (BU_P9_MISC_0): Likewise.
20619 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
20621         * gcc-rich-location.c
20622         (gcc_rich_location::add_fixit_misspelled_id): New method.
20623         * gcc-rich-location.h
20624         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
20626 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
20628         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
20629         FreeBSD 11 and above.
20631 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
20633         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
20635 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20637         * expmed.h: Close parenthesis in "at your option" in copyright
20638         boilerplate.
20639         * lower-subreg.h: Likewise.
20641 2016-06-14  Richard Biener  <rguenther@suse.de>
20643         PR middle-end/71526
20644         * genmatch.c (expr::gen_transform): Use in_type for comparisons
20645         if available.
20647 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20649         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
20650         New function.
20651         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
20652         mask+shift version.
20653         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
20654         New prototype.
20655         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
20656         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
20658 2016-06-14  Richard Biener  <rguenther@suse.de>
20660         PR tree-optimization/71522
20661         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
20662         copying into float copying.
20664 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
20666         PR tree-optimization/71520
20667         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
20668         (replace_block_by): Move user labels from bb1 to bb2.
20670 2016-06-14  Richard Biener  <rguenther@suse.de>
20672         PR middle-end/71310
20673         PR bootstrap/71510
20674         * expr.h (get_bit_range): Declare.
20675         * expr.c (get_bit_range): Export.
20676         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
20677         word_mode again to constrain the bitfield access.
20679 2016-06-14  Richard Biener  <rguenther@suse.de>
20681         PR tree-optimization/71521
20682         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
20683         division int_const_binop against zero divisor.
20685 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
20687         * config/i386/i386.md (signbittf2): New expander.
20688         * config/i386/sse.md (ptesttf2): New insn pattern.
20690 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
20692         PR bootstrap/71481
20693         * input.c (selftest::test_reading_source_line): Avoid reading from
20694         __FILE__ by creating a tempfile with known content and reading
20695         from that instead.
20697 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
20699         * pretty-print.c (assert_pp_format_colored): Skip the test if
20700         GCC_COLORS is set.
20701         (test_pp_format): Remove comment about GCC_COLORS.
20703 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
20705         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
20706         * pretty-print.c (assert_pp_format_va): Add location param and use
20707         it with ASSERT_STREQ_AT.
20708         (assert_pp_format): Add location param and pass it to
20709         assert_pp_format_va.
20710         (assert_pp_format_colored): Likewise.
20711         (ASSERT_PP_FORMAT_1): New.
20712         (ASSERT_PP_FORMAT_2): New.
20713         (ASSERT_PP_FORMAT_3): New.
20714         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
20715         explicitly, or implicitly via the above macros.
20716         * selftest.c (selftest::pass): Use a selftest::location rather
20717         than file and line.
20718         (selftest::fail): Likewise.  Print the function name.
20719         (selftest::fail_formatted): Likewise.
20720         (selftest::assert_streq): Use a selftest::location rather than
20721         file and line.
20722         * selftest.h (selftest::location): New struct.
20723         (SELFTEST_LOCATION): New macro.
20724         (selftest::pass): Accept a const location & rather than file
20725         and line.
20726         (selftest::fail): Likewise.
20727         (selftest::fail_formatted): Likewise.
20728         (selftest::assert_streq): Likewise.
20729         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
20730         (ASSERT_FALSE): Likewise.
20731         (ASSERT_EQ): Likewise.
20732         (ASSERT_NE): Likewise.
20733         (ASSERT_STREQ): Likewise.
20734         (ASSERT_PRED1): Likewise.
20735         (ASSERT_STREQ_AT): New macro.
20737 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
20739         * selftest.c (selftest::fail_formatted): New function.
20740         (selftest::assert_streq): New function.
20741         * selftest.h (selftests::fail_formatted): New decl.
20742         (selftest::assert_streq): New decl.
20743         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
20745 2016-06-13  Jeff Law  <law@redhat.com>
20747         PR tree-optimization/71403
20748         * tree-ssa-threadbackward.c
20749         (convert_and_register_jump_thread_path): No longer accept reference
20750         to path.  Do not pop items off the path anymore.
20751         (fsm_find_control_statement_thread_paths): Do not allow threading
20752         to a deeper loop nest.  Pop the last item off the path here rather
20753         than in convert_and_register_jump_thread_path.
20755 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
20756             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
20758         [AArch64] Emit division using the Newton series
20760         * config/aarch64/aarch64-protos.h
20761         (cpu_approx_modes): Add new member "division".
20762         (aarch64_emit_approx_div): Declare new function.
20763         * config/aarch64/aarch64.c
20764         (generic_approx_modes): New member "division".
20765         (exynosm1_approx_modes): Likewise.
20766         (xgene1_approx_modes): Likewise.
20767         (aarch64_emit_approx_div): Define new function.
20768         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
20769         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
20770         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
20771         * doc/invoke.texi (-mlow-precision-div): Describe new option.
20773 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
20774             Wilco Dijkstra  <wilco.dijkstra@arm.com>
20776         [AArch64] Emit square root using the Newton series
20778         * config/aarch64/aarch64-protos.h
20779         (aarch64_emit_approx_rsqrt): Replace with new function
20780         "aarch64_emit_approx_sqrt".
20781         (cpu_approx_modes): New member "sqrt".
20782         * config/aarch64/aarch64.c
20783         (generic_approx_modes): New member "sqrt".
20784         (exynosm1_approx_modes): Likewise.
20785         (xgene1_approx_modes): Likewise.
20786         (aarch64_emit_approx_rsqrt): Replace with new function
20787         "aarch64_emit_approx_sqrt".
20788         (aarch64_override_options_after_change_1): Handle new option.
20789         * config/aarch64/aarch64-simd.md
20790         (rsqrt<mode>2): Use new function instead.
20791         (sqrt<mode>2): New expansion and insn definitions.
20792         * config/aarch64/aarch64.md: Likewise.
20793         * config/aarch64/aarch64.opt
20794         (mlow-precision-sqrt): Add new option description.
20795         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
20797 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
20799         [AArch64] Add more choices for the reciprocal square root approximation
20801         Allow a target to prefer such operation depending on the operation mode.
20803         * config/aarch64/aarch64-protos.h
20804         (AARCH64_APPROX_MODE): New macro.
20805         (AARCH64_APPROX_{NONE,ALL}): Likewise.
20806         (cpu_approx_modes): New structure.
20807         (tune_params): New member "approx_modes".
20808         * config/aarch64/aarch64-tuning-flags.def
20809         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
20810         * config/aarch64/aarch64.c
20811         (generic_approx_modes): New core "cpu_approx_modes" structure.
20812         (exynosm1_approx_modes): Likewise.
20813         (xgene1_approx_modes): Likewise.
20814         (generic_tunings): New member "approx_modes".
20815         (cortexa35_tunings): Likewise.
20816         (cortexa53_tunings): Likewise.
20817         (cortexa57_tunings): Likewise.
20818         (cortexa72_tunings): Likewise.
20819         (exynosm1_tunings): Likewise.
20820         (thunderx_tunings): Likewise.
20821         (xgene1_tunings): Likewise.
20822         (use_rsqrt_p): New argument for the mode and use new member from
20823         "tune_params".
20824         (aarch64_builtin_reciprocal): Devise mode from builtin.
20825         (aarch64_optab_supported_p): New argument for the mode.
20826         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
20828 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20830         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
20831         RS6000_BTM_MODULO flag into the set of flags that are considered
20832         to be part of the common configuration.
20834 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20836         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
20837         difference unsigned.
20838         (vec_absdb): New macro for vector absolute difference unsigned
20839         byte.
20840         (vec_absdh): New macro for vector absolute difference unsigned
20841         half-word.
20842         (vec_absdw): New macro for vector absolute difference unsigned word.
20843         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
20844         (vadu<mode>3): New insn.
20845         (*p9_vadu<mode>3): New insn.
20846         * config/rs6000/rs6000-builtin.def (vadub): New built-in
20847         definition.
20848         (vaduh): New built-in definition.
20849         (vaduw): New built-in definition.
20850         (vadu): New overloaded built-in definition.
20851         (vadub): New overloaded built-in definition.
20852         (vaduh): New overloaded built-in definition.
20853         (vaduw): New overloaded built-in definition.
20854         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
20855         overloaded vector absolute difference unsigned functions.
20856         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
20857         the ISA 3.0 vector absolute difference unsigned built-in functions.
20859 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
20861         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
20862         update shared_lookup_references only once after changing operands.
20864 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
20866         PR middle-end/71373
20867         * tree-nested.c (convert_nonlocal_omp_clauses)
20868         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
20870         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
20871         * tree.def (CASE_LABEL_EXPR): Likewise.
20873 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
20875         PR bootstrap/71481
20876         * input.c (test_builtins): Fix an assertion.
20878 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
20880         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
20881         (paritysi2): Ditto.
20882         (isinfxf2): Ditto.
20883         (isinf<mode>2): Ditto.
20885 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
20887         * ggc-tests.c (test_finalization): Only test need_finalization_p
20888         for GCC_VERSION >= 4003.
20890 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20892         * config/s390/vecintrin.h: Fix file description in comment.
20894 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20896         * config/s390/s390-builtin-types.def: Change builtin type naming
20897         scheme to match builtin-types.def.
20899 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
20901         * fold-const.c (optimize_minmax_comparison): Remove.
20902         (fold_comparison): Remove call to the above.
20903         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
20904         New transformations.
20906 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
20908         PR tree-optimization/71416
20909         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
20910         multiple entries
20912 2016-06-13  Martin Liska  <mliska@suse.cz>
20914         * predict.c (enum predictor_reason): Prefix enum with REASON_.
20915         (combine_predictions_for_insn): Likewise.
20916         (prune_predictions_for_bb): Likewise.
20917         (combine_predictions_for_bb): Likewise.
20919 2016-06-13  Richard Biener  <rguenther@suse.de>
20921         PR tree-optimization/71505
20922         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
20923         assert match comment.
20925 2016-06-13  Marek Polacek  <polacek@redhat.com>
20927         PR middle-end/71476
20928         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
20929         gimplify_switch_expr.
20930         (warn_switch_unreachable_r): New function.
20932 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20934         PR target/71379
20935         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
20936         one.
20938 2016-06-13  Richard Biener  <rguenther@suse.de>
20940         PR middle-end/64516
20941         * fold-const.c (fold_unary_loc): Preserve alignment when
20942         folding a VIEW_CONVERT_EXPR into a MEM_REF.
20944 2016-06-13  Martin Liska  <mliska@suse.cz>
20946         PR sanitizer/71458
20947         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
20948         w/ -fsanitize=bounds.
20950 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
20952         * config/i386/i386.c (ix86_init_builtins): Calculate
20953         FLOAT128_FTYPE_CONST_STRING function type only once.
20954         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
20955         built-in functions are available for x86-32 and x86-64 targets.
20957 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
20959         PR target/71241
20960         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
20961         New primitive type.
20962         (FLOAT128_FTYPE_CONST_STRING): New function type.
20963         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
20964         [IX86_BUILTIN_NANSQ]: Ditto.
20965         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
20966         (ix86_init_builtin_types): Declare const_string_type_node.
20967         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
20968         builtin functions.
20969         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
20970         * doc/extend.texi (x86 Built-in Functions): Document
20971         __builtin_nanq and __builtin_nansq.
20973 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
20975         PR target/71061
20976         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
20977         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
20978         length for pop patterns.
20979         (arm_attr_length_push_multi): Update comments.
20980         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
20981         attribute.
20982         (*pop_multiple_with_writeback_and_return): Likewise.
20983         (*pop_multiple_with_return): Likewise.
20985 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
20987         PR middle-end/71310
20988         * fold-const.c (optimize_bit_field_compare): Don't try to use
20989         word_mode unconditionally for reading the bit field, look at
20990         DECL_BIT_FIELD_REPRESENTATIVE instead.
20992 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
20994         PR middle-end/71478
20995         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
20996         vector integer type.
20998 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
21000         PR middle-end/71494
21001         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
21002         without LABEL_DECL, set *handled_ops_p to false instead of true.
21004 2016-06-10  Martin Sebor  <msebor@redhat.com>
21006         PR c/71392
21007         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
21008         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
21009         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
21010         them.
21011         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
21012         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
21013         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
21014         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
21015         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
21016         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
21017         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
21018         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
21020 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21022         * config/arm/arm.h (pool_vector_label,
21023         return_used_this_function): Remove.
21025 2016-06-10  Jeff Law  <law@redhat.com>
21027         PR tree-optimization/71335
21028         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
21029         zero length paths here.
21030         (convert_and_register_jump_thread_path): Remove hacks related to
21031         duplicated blocks in the jump thread path.
21032         (fsm_find_control_statement_thread_paths): Avoid putting the same
21033         block on the thread path twice, but ensure the thread path is
21034         unchanged from the caller's point of view.
21036 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
21038         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
21039         * predict.def (PRED_LOOP_BRANCH): Remove.
21041 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
21043         * Makefile.in (OBJS): Add ggc-tests.o.
21044         (GTFILES): Add ggc-tests.c.
21045         * ggc-tests.c: New file.
21046         * selftest-run-tests.c (selftest::run_tests): Call
21047         selftest::ggc_tests_c_tests.
21048         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
21050 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
21052         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
21054 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
21056         PR sanitizer/71480
21057         * varasm.c (place_block_symbol): Adjust alignment for asan protected
21058         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
21060 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
21062         * profile.c: Include cfgloop.h.
21063         (branch_prob): Compute estimated number of iterations.
21064         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
21065         recompute estimate number of iterations from profile.
21067 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21069         PR inline-asm/68843
21070         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
21071         must be grouped on top of stack.  Don't force early clobber
21072         on ordinary reg outputs.
21074 2016-06-10  Richard Biener  <rguenther@suse.de>
21076         * targhooks.c (default_builtin_vectorization_cost): Adjust
21077         vec_construct cost.
21079 2016-06-10  Richard Biener  <rguenther@suse.de>
21081         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
21082         to fold the RHS to a constant if possible.
21084 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
21086         PR middle-end/71373
21087         * tree-nested.c (convert_nonlocal_omp_clauses)
21088         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
21089         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
21090         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
21092         * gimplify.c (gimplify_adjust_omp_clauses): Discard
21093         OMP_CLAUSE_TILE.
21094         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
21096         * omp-low.c (scan_sharing_clauses): Don't expect
21097         OMP_CLAUSE__CACHE_.
21099 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
21101         PR tree-optimization/71407
21102         PR tree-optimization/71416
21103         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
21104         BIT_FIELD_REF type.
21106 2016-06-10  Richard Biener  <rguenther@suse.de>
21108         PR middle-end/71477
21109         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
21111 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
21113         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
21115 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
21116             Jiong Wang  <jiong.wang@arm.com>
21118         PR rtl-optimization/70751
21119         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
21120         spilled into memory.
21122 2016-06-09  Jonathan Yong  <10walls@gmail.com>
21124         Revert:
21125         2015-09-21  Jonathan Yong  <10walls@gmail.com>
21127         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
21128         sysroot/usr/lib/32api for additional win32 libraries,
21129         fixes failing Cygwin bootstrapping.
21131 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
21133         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
21134         Delete.
21136 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
21138         PR bootstrap/71471
21139         * pretty-print.c (pp_indent): Specify that %p is printed in a
21140         host-dependent manner.
21141         (test_pp_format): Remove the test for %p.
21143 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
21145         * config/mips/mips.c (mips_output_jump): Fix formatting.
21147 2016-06-09  Richard Biener  <rguenther@suse.de>
21149         PR tree-optimization/71462
21150         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
21151         removed blocks.
21153 2016-06-09  Martin Liska  <mliska@suse.cz>
21155         * predict.c (dump_prediction): Add new argument.
21156         (enum predictor_reason): New enum.
21157         (struct predictor_hash): New struct.
21158         (predictor_hash::hash): New function.
21159         (predictor_hash::equal): Likewise.
21160         (not_removed_prediction_p): New function.
21161         (prune_predictions_for_bb): Likewise.
21162         (combine_predictions_for_bb): Prune predictions.
21164 2016-06-09  Martin Liska  <mliska@suse.cz>
21166         * predict.c (filter_predictions): New function.
21167         (remove_predictions_associated_with_edge): Use the filter
21168         function.
21169         (equal_edge_p): New function.
21171 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
21173         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
21174         Correct usage of @samp vs @option, add @samp where appropriate.
21175         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
21176         Add armv6s-m and document it, as it is no official ARM name.
21178 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21180         * ifcvt.c (struct noce_if_info): Add transform_name field.
21181         (noce_try_move): Set if_info->transform_name to the function name.
21182         (noce_try_ifelse_collapse): Likewise.
21183         (noce_try_store_flag): Likewise.
21184         (noce_try_inverse_constants): Likewise.
21185         (noce_try_store_flag_constants): Likewise.
21186         (noce_try_addcc): Likewise.
21187         (noce_try_store_flag_mask): Likewise.
21188         (noce_try_cmove): Likewise.
21189         (noce_try_cmove_arith): Likewise.
21190         (noce_try_minmax): Likewise.
21191         (noce_try_abs): Likewise.
21192         (noce_try_sign_mask): Likewise.
21193         (noce_try_bitop): Likewise.
21194         (noce_convert_multiple_sets): Likewise.
21195         (noce_process_if_block): Print if_info->transform_name to
21196         dump_file if transformation succeeded.
21198 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21200         * config/arm/cortex-a57.md (cortex_a57_alu):
21201         Handle csel type.
21203 2016-06-08  Martin Sebor  <msebor@redhat.com>
21204             Jakub Jelinek  <jakub@redhat.com>
21206         PR c++/70507
21207         PR c/68120
21208         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
21209         BUILT_IN_MUL_OVERFLOW_P): New builtins.
21210         * builtins.c: Include gimple-fold.h.
21211         (fold_builtin_arith_overflow): Handle
21212         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
21213         (fold_builtin_3): Likewise.
21214         * doc/extend.texi (Integer Overflow Builtins): Document
21215         __builtin_{add,sub,mul}_overflow_p.
21217 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
21219         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
21220         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
21222 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
21224         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
21225         Rewrite, looking one level down for records and arrays.
21227 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
21229         * pretty-print.c: Include "selftest.h".
21230         (pp_format): Fix comment.
21231         (identifier_to_locale): Likewise.
21232         (selftest::test_basic_printing): New function.
21233         (selftest::assert_pp_format): New function.
21234         (selftest::test_pp_format): New function.
21235         (selftest::pretty_print_c_tests): New function.
21236         * selftest-run-tests.c (selftest::run_tests): Call
21237         selftest::pretty_print_c_tests.
21238         * selftest.h (pretty_print_c_tests): New declaration.
21240 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
21242         * invoke.texi (max-loop-headers-insns): Document.
21243         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
21244         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
21245         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
21247 2016-06-08  Richard Biener  <rguenther@suse.de>
21249         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
21250         on strided SLP loads and fall back to scalar loads in case
21251         we can't chunk them.
21253 2016-06-08  Richard Biener  <rguenther@suse.de>
21255         PR tree-optimization/71452
21256         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
21257         type used for the SSA rewrite has enough precision to cover
21258         the dynamic type of the location.
21260 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
21261             Richard Biener  <rguenther@suse.de>
21263         PR c++/71448
21264         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
21265         the same as DECL_P (base0) for indirect_base0.  Use equality_code
21266         in one further place.
21268 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
21270         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
21271         to one word if the field is known to overlap other words.
21272         (extract_bit_field_1): Likewise.
21273         (store_split_bit_field): Remove compensating code.
21274         (extract_split_bit_field): Likewise.
21276 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
21278         PR debug/71432
21279         PR ada/71413
21280         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
21282 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
21284         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
21285         VDQF.
21286         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
21287         (arch64_addpv4sf): Delete.
21288         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
21289         "gen_aarch64_addpv4sf".
21290         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
21291         builtin.
21292         (vpadds_f32): Likewise.
21293         (vpaddq_f32): Likewise.
21294         (vpaddq_f64): Likewise.
21296 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
21298         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
21299         VALLF.
21300         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
21301         to VALLF.  Rename to "fabd<mode>3".
21302         "*fabd_scalar<mode>3): Delete.
21303         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
21304         Use builtin.
21305         (vabdd_f64): Likewise.
21306         (vabd_f32): Likewise.
21307         (vabd_f64): Likewise.
21308         (vabdq_f32): Likewise.
21309         (vabdq_f64): Likewise.
21311 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
21313         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
21314         VALLF.
21315         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
21316         "aarch64_rsqrts<mode>".
21317         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
21318         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
21319         builtin.
21320         (vrsqrtsd_f64): Likewise.
21321         (vrsqrts_f32): Likewise.
21322         (vrsqrts_f64): Likewise.
21323         (vrsqrtsq_f32): Likewise.
21324         (vrsqrtsq_f64): Likewise.
21326 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
21328         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
21329         VALLF.
21330         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
21331         "aarch64_rsqrte<mode>".
21332         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
21333         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
21334         builtin.
21335         (vrsqrted_f64): Likewise.
21336         (vrsqrte_f32): Likewise.
21337         (vrsqrte_f64): Likewise.
21338         (vrsqrteq_f32): Likewise.
21339         (vrsqrteq_f64): Likewise.
21341 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
21343         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
21344         (ucvtf): Likewise.
21345         (fcvtzs): Likewise.
21346         (fcvtzu): Likewise.
21347         * config/aarch64/aarch64-simd.md
21348         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
21349         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
21350         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
21351         Use builtin.
21352         (vcvt_n_f32_u32): Likewise.
21353         (vcvt_n_s32_f32): Likewise.
21354         (vcvt_n_u32_f32): Likewise.
21355         (vcvtq_n_f32_s32): Likewise.
21356         (vcvtq_n_f32_u32): Likewise.
21357         (vcvtq_n_f64_s64): Likewise.
21358         (vcvtq_n_f64_u64): Likewise.
21359         (vcvtq_n_s32_f32): Likewise.
21360         (vcvtq_n_s64_f64): Likewise.
21361         (vcvtq_n_u32_f32): Likewise.
21362         (vcvtq_n_u64_f64): Likewise.
21363         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
21364         (VSDQ_SDI): Likewise.
21365         (fcvt_target): Support V4DI, V4SI and V2SI.
21366         (FCVT_TARGET): Likewise.
21368 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
21370         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
21371         (TYPES_BINOP_SUS): Likewise.
21372         (aarch64_simd_builtin_data): Update include file name.
21373         (aarch64_builtins): Likewise.
21374         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
21375         for conversion between scalar float-point and fixed-point.
21376         (ucvtf): Likewise.
21377         (fcvtzs): Likewise.
21378         (fcvtzu): Likewise.
21379         * config/aarch64/aarch64.md
21380         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
21381         pattern for conversion between scalar float to fixed-pointer.
21382         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
21383         (UNSPEC_FCVTZS): New UNSPEC enumeration.
21384         (UNSPEC_FCVTZU): Likewise.
21385         (UNSPEC_SCVTF): Likewise.
21386         (UNSPEC_UCVTF): Likewise.
21387         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
21388         Use builtin.
21389         (vcvtd_n_f64_u64): Likewise.
21390         (vcvtd_n_s64_f64): Likewise.
21391         (vcvtd_n_u64_f64): Likewise.
21392         (vcvtd_n_f32_s32): Likewise.
21393         (vcvts_n_f32_u32): Likewise.
21394         (vcvtd_n_s32_f32): Likewise.
21395         (vcvts_n_u32_f32): Likewise.
21396         * config/aarch64/iterators.md (fcvt_target): Support integer to float
21397         mapping.
21398         (FCVT_TARGET): Likewise.
21399         (FCVT_FIXED2F): New iterator.
21400         (FCVT_F2FIXED): Likewise.
21401         (fcvt_fixed_insn): New define_int_attr.
21403 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
21405         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
21406         some statements was removed.
21408 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
21410         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
21411         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
21412         (vect_can_advance_ivs_p): likewise.
21413         (vect_update_ivs_after_vectorizer): likewise.
21414         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
21415         (vect_analyze_scalar_cycles_1): likewise.
21416         (vect_analyze_loop_operations): likewise.
21417         (report_vect_op): likewise.
21418         (vect_is_slp_reduction): likewise.
21419         (vect_is_simple_reduction): likewise.
21420         (get_initial_def_for_induction): likewise.
21421         (vect_transform_loop): likewise.
21422         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
21423         (vect_recog_sad_pattern): likewise.
21424         (vect_recog_widen_sum_pattern): likewise.
21425         (vect_recog_widening_pattern): likewise.
21426         (vect_recog_divmod_pattern): likewise.
21427         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
21428         (vect_analyze_slp_instance): likewise.
21429         (vect_transform_slp_perm_load): likewise.
21430         (vect_schedule_slp_instance): likewise.
21432 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
21434         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
21435         (return_prediction): PRED_CONST_RETURN predict return as not taken.
21436         * predict.def (PRED_CONTINUE): Change hitrate 50->67
21437         (PRED_LOOP_BRANCH): Document predictor as broken.
21438         (PRED_LOOP_EXIT): Change hitrate 91->92.
21439         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
21440         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
21441         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
21442         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
21443         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
21444         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
21445         (PRED_CALL): Chane hitrate 71->67.
21446         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
21447         (PRED_GOTO): Document as unused right now.
21448         (PRED_CONST_RETURN): Change hitrate 67->69
21449         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
21450         (PRED_NULL_RETURN): Change hitrate 91->90.
21451         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
21452         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
21453         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
21455 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
21457         * config/rs6000/altivec.h: Add __builtin_vec_mul.
21458         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
21459         special case Altivec builtin.
21460         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
21461         VSX_BUILTIN_VEC_MUL (replaced with special case code).
21462         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
21463         code for ALTIVEC_BUILTIN_VEC_MUL.
21464         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
21465         for __builtin_vec_mul.
21467 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
21469         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
21470         -mno-htm.
21472 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
21474         * spellcheck.c (selftest::test_find_closest_string): New function.
21475         (spellcheck_c_tests): Call the above.
21477 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21479         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
21481 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
21483         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
21484         Yv=Yv,C alternatives.
21486 2016-06-07  Richard Biener  <rguenther@suse.de>
21488         PR c/61564
21489         * common.opt (ffast-math): Make Optimization.
21491 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
21492             Prachi Godbole  <prachi.godbole@imgtec.com>
21494         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
21495         `fabs' and `fneg' type attributes.
21496         (p5600_fpu_fabs): Add `fmove' to the comment.
21498 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
21500         * gimple.c: Include builtins.h
21501         (gimple_inexpensive_call_p): New function.
21502         * gimple.h (gimple_inexpensive_call_p): Declare.
21503         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
21504         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
21505         fix formatting.
21507 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
21509         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
21510         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
21511         warning_at_rich_loc, warning_n, pedwarn, permerror,
21512         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
21513         sorry, fatal_error, internal_error, internal_error_no_backtrace):
21514         Use the above.
21516 2016-06-07  Richard Biener  <rguenther@suse.de>
21518         PR tree-optimization/71428
21519         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
21520         BIT_FIELD_REF op vs. load.
21522 2016-06-07  Richard Biener  <rguenther@suse.de>
21524         PR middle-end/71423
21525         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
21526         for signed ops.
21528 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
21530         * config/pa/pa.md (call): Generate indirect long calls to non-local
21531         functions on TARGET_64BIT.
21532         (call_value): Likewise.
21534 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
21536         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
21537         pattern and subsequent splitters.
21538         (call_val_reg_64bit_post_reload): Likewise.
21540 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
21542         PR middle-end/71408
21543         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
21544         propagate_op_to_single_use.
21546 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
21548         PR middle-end/71281
21549         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
21551 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
21553         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
21554         (enum x86_dirflag_state): New enum.
21555         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
21556         (machine_function): Remove needs_cld.
21557         (ix86_current_function_needs_cld): Remove.
21558         * config/i386/i386.c (ix86_set_func_type): Set
21559         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
21560         (ix86_expand_prologue): Do not emit CLD here.
21561         (ix86_dirflag_mode_needed): New function.
21562         (ix86_dirflag_mode_entry): Ditto.
21563         (ix86_mode_needed): Handle X86_DIRFLAG entity.
21564         (ix86_mode_after): Ditto.
21565         (ix86_mode_entry): Ditto.
21566         (ix86_mode_exit): Ditto.
21567         (ix86_emit_mode_set): Ditto.
21568         * config/i386/i386.md (strmov_singleop): Set
21569         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
21570         Do not set ix86_current_function_needs_cld.
21571         (rep_mov): Ditto.
21572         (strset_singleop): Ditto.
21573         (rep_stos): Ditto.
21574         (cmpstrnqi_nz_1): Ditto.
21575         (cmpstrnqi_1): Ditto.
21576         (strlenqi_1): Ditto.
21578 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
21580         PR tree-optimization/71259
21581         * tree-vect-slp.c (vect_get_constant_vectors): For
21582         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
21583         one for constant op, and use COND_EXPR for non-constant.
21585 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
21587         * Makefile.in (OBJS): Add function-tests.o,
21588         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
21589         selftest-run-tests.o.
21590         (OBJS-libcommon): Add selftest.o.
21591         (OBJS-libcommon-target): Add selftest.o.
21592         (all.internal): Add "selftest".
21593         (all.cross): Likewise.
21594         (selftest): New phony target.
21595         (s-selftest): New target.
21596         (selftest-gdb): New phony target.
21597         (COLLECT2_OBJS): Add selftest.o.
21598         * bitmap.c: Include "selftest.h".
21599         (selftest::test_gc_alloc): New function.
21600         (selftest::test_set_range): New function.
21601         (selftest::test_clear_bit_in_middle): New function.
21602         (selftest::test_copying): New function.
21603         (selftest::test_bitmap_single_bit_set_p): New function.
21604         (selftest::bitmap_c_tests): New function.
21605         * common.opt (fself-test): New.
21606         * diagnostic-show-locus.c: Include "selftest.h".
21607         (make_range): New function.
21608         (test_range_contains_point_for_single_point): New function.
21609         (test_range_contains_point_for_single_line): New function.
21610         (test_range_contains_point_for_multiple_lines): New function.
21611         (assert_eq): New function.
21612         (test_get_line_width_without_trailing_whitespace): New function.
21613         (selftest::diagnostic_show_locus_c_tests): New function.
21614         * et-forest.c: Include "selftest.h".
21615         (selftest::test_single_node): New function.
21616         (selftest::test_simple_tree): New function.
21617         (selftest::test_disconnected_nodes): New function.
21618         (selftest::et_forest_c_tests): New function.
21619         * fold-const.c: Include "selftest.h".
21620         (selftest::assert_binop_folds_to_const): New function.
21621         (selftest::assert_binop_folds_to_nonlvalue): New function.
21622         (selftest::test_arithmetic_folding): New function.
21623         (selftest::fold_const_c_tests): New function.
21624         * function-tests.c: New file.
21625         * gimple.c: Include "selftest.h".
21626         Include "gimple-pretty-print.h".
21627         (selftest::verify_gimple_pp): New function.
21628         (selftest::test_assign_single): New function.
21629         (selftest::test_assign_binop): New function.
21630         (selftest::test_nop_stmt): New function.
21631         (selftest::test_return_stmt): New function.
21632         (selftest::test_return_without_value): New function.
21633         (selftest::gimple_c_tests): New function.
21634         * hash-map-tests.c: New file.
21635         * hash-set-tests.c: New file.
21636         * input.c: Include "selftest.h".
21637         (selftest::assert_loceq): New function.
21638         (selftest::test_accessing_ordinary_linemaps): New function.
21639         (selftest::test_unknown_location): New function.
21640         (selftest::test_builtins): New function.
21641         (selftest::test_reading_source_line): New function.
21642         (selftest::input_c_tests): New function.
21643         * rtl-tests.c: New file.
21644         * selftest-run-tests.c: New file.
21645         * selftest.c: New file.
21646         * selftest.h: New file.
21647         * spellcheck.c: Include "selftest.h".
21648         (selftest::levenshtein_distance_unit_test_oneway): New function,
21649         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
21650         (selftest::levenshtein_distance_unit_test): Likewise.
21651         (selftest::spellcheck_c_tests): Likewise.
21652         * toplev.c: Include selftest.h.
21653         (toplev::run_self_tests): New.
21654         (toplev::main): Handle -fself-test.
21655         * toplev.h (toplev::run_self_tests): New.
21656         * tree.c: Include "selftest.h".
21657         (selftest::test_integer_constants): New function.
21658         (selftest::test_identifiers): New function.
21659         (selftest::test_labels): New function.
21660         (selftest::tree_c_tests): New function.
21661         * tree-cfg.c: Include "selftest.h".
21662         (selftest::push_fndecl): New function.
21663         (selftest::test_linear_chain): New function.
21664         (selftest::test_diamond): New function.
21665         (selftest::test_fully_connected): New function.
21666         (selftest::tree_cfg_c_tests): New function.
21667         * vec.c: Include "selftest.h".
21668         (selftest::safe_push_range): New function.
21669         (selftest::test_quick_push): New function.
21670         (selftest::test_safe_push): New function.
21671         (selftest::test_truncate): New function.
21672         (selftest::test_safe_grow_cleared): New function.
21673         (selftest::test_pop): New function.
21674         (selftest::test_safe_insert): New function.
21675         (selftest::test_ordered_remove): New function.
21676         (selftest::test_unordered_remove): New function.
21677         (selftest::test_block_remove): New function.
21678         (selftest::reverse_cmp): New function.
21679         (selftest::test_qsort): New function.
21680         (selftest::vec_c_tests): New function.c.
21681         * wide-int.cc: Include selftest.h and wide-int-print.h.
21682         (selftest::from_int <wide_int>): New function.
21683         (selftest::from_int <offset_int>): New function.
21684         (selftest::from_int <widest_int>): New function.
21685         (selftest::assert_deceq): New function.
21686         (selftest::assert_hexeq): New function.
21687         (selftest::test_printing <VALUE_TYPE>): New function template.
21688         (selftest::test_ops <VALUE_TYPE>): New function template.
21689         (selftest::test_comparisons <VALUE_TYPE>): New function template.
21690         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
21691         template.
21692         (selftest::wide_int_cc_tests): New function.
21694 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21696         PR middle-end/37780
21697         * ifcvt.c (noce_try_ifelse_collapse): New function.
21698         Declare prototype.
21699         (noce_process_if_block): Call noce_try_ifelse_collapse.
21700         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
21701         (simplify_ternary_operation): Use the above to simplify
21702         conditional CLZ/CTZ expressions.
21704 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21706         PR middle-end/37780
21707         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
21708         define_insn_and_split.
21710 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21712         PR middle-end/37780
21713         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
21715 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21717         PR c/24414
21718         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
21719         Implicitly clobber memory for basic asm with non-empty assembler
21720         string.  Use targetm.md_asm_adjust also here.
21721         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
21722         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
21723         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
21724         non-empty assembler string.
21725         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
21726         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
21727         (decode_asm_operands): Handle basic asm in PARALLEL block.
21728         (extract_insn): Handle basic asm in PARALLEL block.
21729         * doc/extend.texi: Mention new behavior of basic asm.
21730         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
21731         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
21732         branch_needs_nop_p): Use asm_noperands.
21734 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
21736         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
21737         Include the M7 SPARC DFA scheduler.
21738         New attribute v3pipe.
21739         Annotate insns with v3pipe where appropriate.
21740         Define cpu_feature vis4.
21741         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
21742         Add (V8QI "8") to vbits.
21743         Add insns {add,sub}v8qi3
21744         Add insns ss{add,sub}v8qi3
21745         Add insns us{add,sub}{v8qi,v4hi}3
21746         Add insns {min,max}{v8qi,v4hi,v2si}3
21747         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
21748         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
21749         * config/sparc/niagara4.md: Add a comment explaining the
21750         discrepancy between the documented latenty numbers and the
21751         implemented ones.
21752         * config/sparc/niagara7.md: New file.
21753         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
21754         supports SPARC5 and VIS 4.0 instructions.
21755         * configure: Regenerate.
21756         * config.in: Likewise.
21757         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
21758         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
21759         TARGET_CPU_niagara7.
21760         (ASM_CPU64_DEFAULT_SPEC): Likewise.
21761         (CPP_CPU_SPEC): Handle niagara7.
21762         (ASM_CPU_SPEC): Likewise.
21763         * config/sparc/sparc-opts.h (processor_type): Add
21764         PROCESSOR_NIAGARA7.
21765         (mvis4): New option.
21766         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
21767         (AS_NIAGARA7_FLAG): Define.
21768         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
21769         (CPP_CPU64_DEFAULT_SPEC): Likewise.
21770         (CPP_CPU_SPEC): Handle niagara7.
21771         (ASM_CPU_SPEC): Likewise.
21772         * config/sparc/sparc.c (niagara7_costs): Define.
21773         (sparc_option_override): Handle niagara7 and adjust cache-related
21774         parameters with better values for niagara cpus.  Also support VIS4.
21775         (sparc32_initialize_trampoline): Likewise.
21776         (sparc_use_sched_lookahead): Likewise.
21777         (sparc_issue_rate): Likewise.
21778         (sparc_register_move_cost): Likewise.
21779         (dump_target_flag_bits): Support VIS4.
21780         (sparc_vis_init_builtins): Likewise.
21781         (sparc_builtins): Likewise.
21782         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
21783         VIS4 4.0.
21784         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
21785         UltraSparc M7.
21786         * config/sparc/sparc.opt (sparc_processor_type): New value
21787         niagara7.
21788         * config/sparc/visintrin.h (__attribute__): Prototypes for the
21789         VIS4 builtins.
21790         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
21791         -mvis4.
21792         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
21793         VIS4 builtins.
21795 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
21797         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
21799 2016-06-06  Richard Biener  <rguenther@suse.de>
21801         PR tree-optimization/71398
21802         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
21803         remove edges.
21805 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
21807         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
21808         ft32_expand_prolog, ft32_expand_epilogue):
21809         Handle pretend_args.
21810         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
21811         * config/ft32/ft32.md: Add pretend_returner.
21813 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
21815         PR target/71389
21816         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
21817         Copy op1 RTX to avoid invalid sharing.
21818         (ix86_expand_vector_move_misalign): Ditto.
21820 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
21822         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
21823         ATTRIBUTE_UNUSED.
21825 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
21827         * predict.c (predicted_by_loop_heuristics_p): New function.
21828         (predict_iv_comparison): Use it.
21829         (predict_loops): Walk from innermost loops; do not predict edges
21830         leaving multiple loops multiple times; implement
21831         PRED_LOOP_ITERATIONS_MAX heuristics.
21832         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
21834 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
21836         * cfg.c (check_bb_profile): Do not report mismatched profiles when
21837         only edges out of BB are EH edges.
21839 2016-06-04  Martin Sebor  <msebor@redhat.com>
21840             Marcin Baczyński  <marbacz@gmail.com>
21842         PR c/48116
21843         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
21844         a void expression in a void function.
21846 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
21848         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
21849         aux; dump reasons of decisions.
21850         (should_duplicate_loop_header_p): Likewise.
21851         (do_while_loop_p): Likewise.
21852         (ch_base::copy_headers): Dump asi num insns duplicated.
21854 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
21856         PR tree-optimization/71405
21857         * tree-ssa.c (execute_update_addresses_taken): For clobber with
21858         incompatible type, build a new clobber with the right type instead
21859         of building a VIEW_CONVERT_EXPR around it.
21861 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
21863         PR tree-optimization/52171
21864         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
21865         by_pieces_ninsns instead of move_by_pieces_ninsns.
21867 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
21869         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
21870         for reg+reg addressing mode.
21872 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21874         * rs6000-c.c (c/c-tree.h): Add #include.
21875         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
21876         in C++ when found in the base position of vec_ld or vec_st.
21878 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
21880         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
21881         use of profile unless profile status is PROFILE_READ.
21882         * profile.c (compute_branch_probabilities): Set profile status
21883         only after reporting predictor hitrates.
21885 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
21887         PR target/71276
21888         PR target/71277
21889         * common.opt (ffp-int-builtin-inexact): New option.
21890         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
21891         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
21892         (ceil@var{m}2): Document dependence on this option.
21893         * ipa-inline-transform.c (inline_call): Handle
21894         flag_fp_int_builtin_inexact.
21895         * ipa-inline.c (can_inline_edge_p): Likewise.
21896         * config/i386/i386.md (rintxf2): Do not test
21897         flag_unsafe_math_optimizations.
21898         (rint<mode>2_frndint): New define_insn.
21899         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
21900         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
21901         for 387 instead of extending and truncating.
21902         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
21903         !flag_trapping_math instead of flag_unsafe_math_optimizations.
21904         Change to frndint<mode>2_<rounding>.
21905         (frndintxf2_<rounding>_i387): Likewise.  Change to
21906         frndint<mode>2_<rounding>_i387.
21907         (<rounding_insn>xf2): Likewise.
21908         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
21909         !flag_trapping_math instead of flag_unsafe_math_optimizations for
21910         x87.  Test TARGET_ROUND || !flag_trapping_math ||
21911         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
21912         SSE.  Use ROUND_NO_EXC in constant operand of
21913         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
21914         for 387 instead of extending and truncating.
21916 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
21917             Julia Koval  <julia.koval@intel.com>
21919         PR target/66960
21920         PR target/67630
21921         PR target/67634
21922         PR target/67841
21923         PR target/68037
21924         PR target/68618
21925         PR target/68661
21926         PR target/69575
21927         PR target/69596
21928         PR target/69734
21929         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
21930         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
21931         all registers, except for function return registers if there are
21932         no caller-saved registers.
21933         (ix86_set_func_type): New function.
21934         (ix86_set_current_function): Call ix86_set_func_type to set
21935         no_caller_saved_registers and func_type.  Call reinit_regs if
21936         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
21937         nor x87 instructions in interrupt handler nor function with
21938         no_caller_saved_registers attribute.
21939         (ix86_function_ok_for_sibcall): Return false if there are no
21940         caller-saved registers.
21941         (type_natural_mode): Don't warn ABI change for MMX in interrupt
21942         handler.
21943         (ix86_function_arg_advance): Skip for callee in interrupt handler.
21944         (ix86_function_arg): Return special arguments in interrupt handler.
21945         (ix86_promote_function_mode): Promote pointer to word_mode only
21946         for normal functions.
21947         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
21948         interrupt handler.
21949         (ix86_epilogue_uses): New function.
21950         (ix86_hard_regno_scratch_ok): Likewise.
21951         (ix86_save_reg): Preserve all registers in interrupt handler
21952         after reload.  Preserve all registers, except for function return
21953         registers, if there are no caller-saved registers after reload.
21954         (find_drap_reg): Always use callee-saved register if there are
21955         no caller-saved registers.
21956         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
21957         for interrupt handler.
21958         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
21959         Emit cld instruction if stringops are used in interrupt handler
21960         or interrupt handler isn't a leaf function.
21961         (ix86_expand_epilogue): Generate interrupt return for interrupt
21962         handler and pop the 'ERROR_CODE' off the stack before interrupt
21963         return in exception handler.
21964         (ix86_expand_call): Disallow calling interrupt handler directly.
21965         If there are no caller-saved registers, mark all registers that
21966         are clobbered by the call which returns as clobbered.
21967         (ix86_handle_no_caller_saved_registers_attribute): New function.
21968         (ix86_handle_interrupt_attribute): Likewise.
21969         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
21970         attributes.
21971         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
21972         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
21973         accumulation in interrupt function if stack may be realigned to
21974         avoid DRAP.
21975         (EPILOGUE_USES): New.
21976         (function_type): New enum.
21977         (machine_function): Add func_type and no_caller_saved_registers.
21978         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
21979         (interrupt_return): New pattern.
21980         * doc/extend.texi: Document x86 interrupt and
21981         no_caller_saved_registers attributes.
21983 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
21985         PR tree-optimization/52171
21986         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
21987         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
21988         Look for constant strings.  Move some code to emit_block_cmp_hints
21989         and use it.
21990         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
21991         * defaults.h (COMPARE_MAX_PIECES): New macro.
21992         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
21993         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
21994         (clear_by_pieces_1): Don't declare.  Move definition before use.
21995         (can_do_by_pieces): New static function.
21996         (can_move_by_pieces): Use it.  Return bool.
21997         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
21998         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
21999         (class pieces_addr); New.
22000         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
22001         pieces_addr::adjust, pieces_addr::increment_address,
22002         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
22003         functions for it.
22004         (class op_by_pieces_d): New.
22005         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
22006         functions for it.
22007         (class move_by_pieces_d, class compare_by_pieces_d,
22008         class store_by_pieces_d): New subclasses of op_by_pieces_d.
22009         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
22010         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
22011         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
22012         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
22013         compare_by_pieces_d::finish_mode): New member functions.
22014         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
22015         functions.
22016         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
22017         (emit_block_cmp_hints): New function.
22018         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
22019         use the newly defined classes.
22020         * expr.h (by_pieces_constfn): New typedef.
22021         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
22022         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
22023         (move_by_pieces_ninsns): Don't declare.
22024         (can_move_by_pieces): Change return value to bool.
22025         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
22026         (compare_by_pieces_branch_ratio): New hook.
22027         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
22028         (by_pieces_ninsns): Declare.
22029         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
22030         COMPARE_BY_PIECES.
22031         (default_compare_by_pieces_branch_ratio): New function.
22032         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
22033         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
22034         * doc/tm.texi: Regenerate.
22035         * tree-ssa-strlen.c: Include "builtins.h".
22036         (handle_builtin_memcmp): New static function.
22037         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
22038         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
22040 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
22042         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
22043         relevant stmts which are simple and invariant.
22044         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
22045         instead of simple and invariant
22047 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
22049         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
22050         (vectorizable_reduction): Check for new relevant state.
22051         (vectorizable_live_operation): vectorize live stmts using
22052         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
22053         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
22054         (vect_stmt_relevant_p): Check for stmts which are only used live.
22055         (process_use): Use of a stmt does not inherit it's live value.
22056         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
22057         (vect_analyze_stmt): Check for new relevant state.
22058         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
22059         outside the loop, but not inside it.
22061 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
22063         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
22064         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
22065         (vect_get_vec_def_for_operand): Split out code.
22067 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
22069         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
22071 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
22073         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
22075 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22077         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
22079 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
22081         PR middle-end/71387
22082         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
22083         to noreturn e->callee->decl that has void return type and void
22084         arguments, adjust gimple_call_fntype and remove lhs even if it had
22085         previously addressable type.
22087 2016-06-02  Jeff Law  <law@redhat.com>
22089         PR tree-optimization/71328
22090         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
22091         error when checking for a jump back onto the copied path.
22093 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
22095         * config/microblaze/microblaze.c (get_branch_target): Add return
22096         NULL_RTX for the non-CALL_P case.
22097         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
22098         (insert_wic): Remove unused local "j".
22100 2016-06-02  Martin Liska  <mliska@suse.cz>
22102         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
22104 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
22105             Julia Koval  <julia.koval@intel.com>
22107         * function.c (assign_parm_setup_stack): Force source into a
22108         register if needed.
22109         * target.def (function_incoming_arg): Update documentation to
22110         allow arbitrary address computation based on hard register.
22111         * doc/tm.texi: Regenerated.
22113 2016-06-02  Martin Liska  <mliska@suse.cz>
22115         * predict.c (combine_predictions_for_bb): Fix first match in
22116         cases where a first predictor contains more than one occurence
22117         in list of predictors.  Take the best value in such case.
22119 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22121         PR rtl-optimization/71295
22122         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
22123         offset would go over the size of the inner mode reject it.
22125 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
22127         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
22128         x=x,x and v=v,m instead of x=x,m.
22130         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
22131         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
22132         alternative to v=rm,C.
22134         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
22135         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
22136         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
22137         instead of vex for the last two above mentioned alternatives.
22139 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22141         PR target/70830
22142         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
22144 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
22146         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
22148 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
22150         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
22151         from int to unsigned.
22153 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
22155         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
22156         alternatives, eliminating preferred register class.  Add support
22157         for the MTVSRDD instruction in ISA 3.0.
22158         (vsx_splat_v4si_internal): Use splat_input_operand instead of
22159         reg_or_indexed_operand.
22160         (vsx_splat_v4sf_internal): Likewise.
22162 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
22164         PR target/71186
22165         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
22166         for loading up all 0's or all 1's.
22168 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
22170         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
22172 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
22174         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
22175         extension.
22176         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
22177         * gcc.c (set_source_date_epoch_envvar): New function, sets
22178         the SOURCE_DATE_EPOCH environment variable to the current time.
22180 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
22182         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
22183         the factor for live Phi nodes.
22185 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
22187         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
22188         * tree-parloops.c (parallelize_loops): likewise.
22189         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
22190         tree_unswitch_outer_loop): likewise.
22192 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
22194         PR middle-end/71371
22195         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
22196         around creation of the temporary.
22198 2016-06-01  Richard Biener  <rguenther@suse.de>
22200         PR tree-optimization/71366
22201         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
22202         (unloop_loops): Move removing edges here ...
22203         (try_unroll_loop_completely): ... from here.
22204         (try_peel_loop): ... and here.
22205         (tree_unroll_loops_completely_1): Track parent loops via
22206         bitmap of header BBs.
22207         (tree_unroll_loops_completely): Adjust for that.
22209 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
22211         * config/rs6000/altivec.h (vec_slv): New macro.
22212         (vec_srv): New macro.
22213         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
22214         (UNSPEC_VSRV): New value.
22215         (vslv): New insn.
22216         (vsrv): New insn.
22217         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
22218         (vsrv): New builtin definition.
22219         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
22220         define argument types for new builtin.
22221         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
22222         new builtin.
22223         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
22224         functions.
22226 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
22227             Jocelyn Mayer  <l_indien@magic.fr>
22229         PR target/67310
22230         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
22231         detect processor family for signature_CENTAUR_ebx.
22232         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
22233         signature_CENTAUR_ebx.
22234         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
22235         <default>: Pass x86-64 for has_longmode.
22237 2016-06-01  Nathan Sidwell  <nathan@acm.org>
22239         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
22240         undefined weak.
22242 2016-06-01  Richard Biener  <rguenther@suse.de>
22244         PR tree-optimization/71261
22245         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
22246         of stmts successfully put in the bool pattern.  Remove
22247         single-use restriction.
22248         (adjust_bool_pattern_cast): Add cast at the use site via the
22249         pattern def sequence.
22250         (adjust_bool_pattern): Remove recursion, maintain a hash-map
22251         of patterned defs.  Use the pattern def seqence instead of
22252         multiple independent patterns.
22253         (sort_after_uid): New qsort compare function.
22254         (adjust_bool_stmts): New function to process stmts in the bool
22255         pattern in IL order.
22256         (vect_recog_bool_pattern): Adjust.
22257         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
22258         (ifcvt_walk_pattern_tree): Likewise.
22259         (stmt_is_root_of_bool_pattern): Likewise.
22260         (ifcvt_repair_bool_pattern): Likewise.
22261         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
22263 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
22265         * loop-unroll.c (decide_unroll_constant_iterations,
22266         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
22267         likely upper bounds.
22268         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
22270 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
22272         * tree-core.h (enum omp_clause_code): Remove
22273         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
22275 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22277         * config/arm/sync.md (arm_store_exclusive<mode>):
22278         Use 'H' output modifier on operands[2] rather than creating a new
22279         entry in out-of-bounds memory of the operands array.
22280         (arm_store_release_exclusivedi): Likewise.
22282 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22284         * config/arm/arm.c (arm_fusion_enabled_p): New function.
22285         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
22286         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
22287         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
22289 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
22291         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
22292         into account live statements for mask producers.
22294 2016-06-01  Richard Biener  <rguenther@suse.de>
22296         PR tree-optimization/71311
22297         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
22298         restrict to non-INTEGER_CST @0.
22300 2016-06-01  Richard Biener  <rguenther@suse.de>
22302         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
22303         (relational patterns): Use :c to avoid pattern duplications.
22305 2016-06-01  Richard Biener  <rguenther@suse.de>
22307         * genmatch.c (comparison_code_p): New predicate.
22308         (swap_tree_comparison): New function.
22309         (commutate): Add for_vec parameter to append new for entries.
22310         Support commutating relational operators by swapping it alongside
22311         operands.
22312         (lower_commutative): Adjust.
22313         (dt_simplify::gen): Do not pass artificial operators to gen
22314         functions.
22315         (decision_tree::gen): Do not add artificial operators as parameters.
22316         (parser::parse_expr): Verify operator commutativity when :c is
22317         applied.  Allow :C to override this.
22318         * match.pd: Adjust patterns to use :C instead of :c where required.
22320 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
22322         PR tree-optimization/71077
22323         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
22324         the combining step, use boolean_false_node and boolean_true_node
22325         as the designated false/true return values.
22327 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
22329         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
22330         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
22331         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
22332         PRED_LOOP_EXIT.
22334 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
22336         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
22337         of flags impliying the register renaming.
22338         * toplev.c (process_options): Do not imply flag_rename_registers with
22339         loop peeling.
22341 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
22343         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
22344         default implementation.
22346 2016-05-31  Nathan Sidwell  <nathan@acm.org>
22348         * dwarf2out.c (cur_line_info_table): Add GTY marker.
22350 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
22352         * config/sh/constraints.md (b): Remove constraint.
22353         * config/sh/predicates.md (arith_reg_operand): Remove
22354         TARGET_REGISTER_P.
22355         * config/sh/sh-modes.def (PDI): Remove.
22356         * config/sh/sh.c (sh_target_reg_class,
22357         sh_optimize_target_register_callee_saved): Remove functions.
22358         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
22359         (sh_expand_epilogue): Update comment.
22360         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
22361         sh_secondary_reload): Remove TARGET_REGS related code.
22362         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
22363         TARGET_REGISTER_P): Remove macros.
22364         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
22365         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
22366         TR1_REG, TR2_REG): Remove constants.
22367         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
22369 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
22371         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
22372         define_expand patterns.
22373         (adddi3_compact): Rename to adddi3.
22374         (subdi3_compact): Rename to subdi3.
22375         (*negdi2): Rename to negdi2.
22376         (*abs<mode>2): Rename to abs<mode>2.
22378 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
22380         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
22381         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
22382         (atomic_sub_fetchsi): ... this new pattern.
22383         (mvtc): Add CC_REG clobber.
22385 2016-05-31  Marek Polacek  <polacek@redhat.com>
22387         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
22389 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22391         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
22392         aarch64_fusion_enabled_p to check for fusion capabilities.
22394 2016-05-31  Richard Biener  <rguenther@suse.de>
22396         PR tree-optimization/71352
22397         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
22398         minus one and a negate.
22400 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22402         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
22403         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
22404         Delete prototype.
22405         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
22406         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
22407         Remove use of aarch64_simd_attr_length_move, set length attribute
22408         directly.
22409         (*aarch64_be_movoi): Likewise.
22410         (*aarch64_be_movci): Likewise.
22411         (*aarch64_be_movxi): Likewise.
22413 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
22415         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
22416         It no longer does that.
22417         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
22419 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
22421         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
22422         attribute __unused__.
22424 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
22426         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
22427         * config/arm/arm.c (arm_arch_thumb1): Define.
22428         (arm_option_override): Initialize arm_arch_thumb1.
22429         * config/arm/arm.h (arm_arch_thumb1): Declare.
22430         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
22431         support Thumb-1 ISA.
22433 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
22435         PR target/71346
22436         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
22437         `Yv' for scalar operand.
22439 2016-05-31  Tom de Vries  <tom@codesourcery.com>
22441         PR tree-optimization/69068
22442         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
22443         phis with more than two args.
22445 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
22447         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
22448         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
22449         target.
22451 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
22453         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
22454         tune_64.
22455         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
22456         support on SPARC.
22457         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
22458         cpu_32, cpu_64, tune_32 and tune_64.
22459         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
22461 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
22463         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
22465 2016-05-30  Andi Kleen  <ak@linux.intel.com>
22467         * auto-profile.c (read_profile): Replace asserts with errors
22468         when file does not exist.
22469         * gcov-io.c (gcov_read_words): Dito.
22471 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
22473         * tree-cfg.c (print_loop): Print likely upper bounds.
22475 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
22477         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
22478         * opts.c (default_options): Enable peel loops at -O3.
22479         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
22480         (try_peel_loop): Do not re-peel already peeled loops;
22481         use likely upper bounds; fix profile updating.
22482         (pass_complete_unroll::execute): Initialize peeled_loops.
22484 2016-05-30  Martin Liska  <mliska@suse.cz>
22486         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
22487         computed costs by frequency of BB they belong to.
22488         (get_scaled_computation_cost_at): New function.
22490 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
22491             Marc Glisse  <marc.glisse@inria.fr>
22493         PR tree-optimization/71289
22494         * match.pd (-1 / B < A, A > -1 / B): New transformations.
22496 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
22498         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
22500 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
22502         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
22503         for peeled copies; avoid underflow when updating estimates; correctly
22504         scale loop profile.
22506 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
22508         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
22509         r236875. Corrected oe3 to oe2 as obvious.
22511 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
22513         PR middle-end/71269
22514         PR middle-end/71252
22515         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
22516         that inserted stmt will not dominate stmts that defines its operand.
22517         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
22518         (rewrite_expr_tree_parallel): Likewise.
22520 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
22522         PR middle-end/71252
22523         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
22524         all fields including stmt_to_insert are swapped.
22526 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
22528         * predict.h (force_edge_cold): Declare.
22529         * predict.c (force_edge_cold): New function.
22530         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
22531         updating.
22532         (canonicalize_loop_induction_variables): Fix formating.
22534 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
22536         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
22537         (visium_expand_copysign): Use gen_int_mode directly.
22538         (visium_compute_frame_size): Minor tweaks.
22540 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
22542         * tree-vect-loop.c (vect_analyze_loop_2): Use
22543         likely_max_stmt_executions_int.
22545 2016-05-30  Tom de Vries  <tom@codesourcery.com>
22547         PR tree-optimization/69067
22548         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
22550 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
22552         PR target/71245
22553         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
22554         New peepholes to remove unneeded fild/fistp pairs.
22555         (define_peephole2 atomic_loaddi_fpu): Ditto.
22557 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
22559         * predict.c (maybe_hot_frequency_p): Avoid division.
22561 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
22563         * doc/install.texi: Use https for shop.fsf.org.
22565 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
22567         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
22568         likely_max_stmt_executions_int.
22570 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
22572         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
22573         likely_max_stmt_executions_int.
22575 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
22577         * profile.c (compute_branch_probabilities): Do not report hitrates
22578         here.
22579         (branch_prob): Report hitrates here.
22580         * predict.c (gimple_predict_edge): Do not assert profile status;
22581         fix formatting issues.
22583 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
22585         * predict.c (edge_predicted_by_p): New function.
22586         (predict_paths_for_bb): Do not put multiple predictions of the same type
22587         on one edge.
22589 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
22591         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
22592         commit.
22594 2016-05-28  Alan Modra  <amodra@gmail.com>
22596         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
22598 2016-05-28  Alan Modra  <amodra@gmail.com>
22600         PR rtl-optimization/71275
22601         * ira.c (ira): Free dominance info.
22603 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
22605         * doc/sourcebuild.texi: New address for upstream Go repository.
22607 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
22609         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
22610         (TARGET_ARM_V7M): Likewise.
22612 2016-05-26  Jeff Law  <law@redhat.com>
22614         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
22615         (thread_across_edge): Remove calls to find_jump_threads_backwards.
22616         * passes.def: Add jump threading passes before DOM/VRP.
22617         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
22618         argument to a basic block from an edge.  Remove tests which are
22619         handled elsewhere.
22620         (pass_data_thread_jumps, class pass_thread_jumps): New.
22621         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
22622         (make_pass_thread_jumps): Likewise.
22623         * tree-pass.h (make_pass_thread_jumps): Declare.
22625 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
22627         * config/visium/visium-protos.h (split_double_move): Rename into...
22628         (visium_split_double_move): ...this.
22629         (visium_split_double_add): Declare.
22630         * config/visium/visium.c (split_double_move): Rename into...
22631         (visium_split_double_move): ...this.
22632         (visium_split_double_add): New function.
22633         (visium_expand_copysign): Renumber operands for consistency.
22634         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
22635         (DFmode move splitter): Likewise.
22636         (*addi3_insn): Split by means of visium_split_double_add.
22637         (*adddi3_insn_flags): Delete.
22638         (*plus_plus_sltu<subst_arith>): New insn.
22639         (*subdi3_insn): Split by means of visium_split_double_add.
22640         (subdi3_insn_flags): Delete.
22641         (*minus_minus_sltu<subst_arith>): New insn.
22642         (*negdi2_insn): Split by means of visium_split_double_add.
22643         (*negdi2_insn_flags): Delete.
22645 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
22647         * configure.ac: Treat a --with-headers option without argument
22648         the same as the default (i.e. consult sys-include directory).
22649         * configure: Regenerate.
22651 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22653         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
22654         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
22655         prototype.
22656         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
22657         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
22659 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
22661         PR target/63596
22662         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
22663         tree-stdarg analysis results.
22664         (aarch64_setup_incoming_varargs): Likewise.
22666 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
22668         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
22669         va_list_gpr_counter_field and va_list_fpr_counter_field.
22671 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
22673         PR67609
22674         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
22675         * config/aarch64/aarch64.c
22676         (aarch64_cannot_change_mode_class): Remove function.
22677         * config/aarch64/aarch64-protos.h
22678         (aarch64_cannot_change_mode_class): Remove.
22680 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
22682         * cfgloop.c (record_niter_bound): Record likely upper bounds.
22683         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
22684         get_likely_max_loop_iterations_int): New.
22685         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
22686         any_likely_upper_bound.
22687         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
22688         Declare.
22689         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
22690         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
22691         upper bound.
22692         (unroll_loop_constant_iterations): Likewise.
22693         (unroll_loop_runtime_iterations): Likewise.
22694         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
22695         * lto-streamer-out.c (output_cfg): Likewise.
22696         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
22697         bounds.
22698         (canonicalize_loop_induction_variables): Dump likely upper bounds.
22699         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
22700         (likely_max_loop_iterations): New.
22701         (likely_max_loop_iterations_int): New.
22702         (likely_max_stmt_executions): New.
22703         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
22704         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
22705         likely_max_stmt_executions): Declare.
22707 2016-05-27  Marek Polacek  <polacek@redhat.com>
22709         PR middle-end/71308
22710         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
22712 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22714         * config/s390/s390.md (2x risbg splitters): Use
22715         reg_overlap_mentioned_p instead of rtx_equal_p.
22717 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22719         * combine.c (make_compound_operation): Take known zero bits into
22720         account when checking for possible zero_extend.
22722 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22724         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
22725         Use const_int_operand for operand 2 predicate.  Simplify expand code
22726         as a result.
22728 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
22730         PR middle-end/71279
22731         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
22732         into comparison.
22734 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22736         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
22737         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
22738         that returns CC_SESWPmode and CC_ZESWPmode.
22739         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
22740         and CC_SESWPmode.
22741         (aarch64_rtx_costs): Likewise.
22743 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
22745         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
22746         for ISA 3.0 min/max support.
22747         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
22748         conditional move support.
22749         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
22750         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
22751         available.
22752         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
22753         conditional moves where the comparison type is different from move
22754         type.
22755         (fp_minmax): New code iterator for smin/smax.
22756         (minmax): New code attributes for min/max.
22757         (SMINMAX): Likewise.
22758         (smax<mode>3): Combine min, max insns into one insn using the
22759         fp_minmax code iterator.  Add support for ISA 3.0 min/max
22760         instructions that don't need -ffast-math.
22761         (s<minmax><mode>3): Likewise.
22762         (smax<mode>3_vsx): Likewise.
22763         (smin<mode>3): Likewise.
22764         (s<minmax><mode>3_vsx): Likewise.
22765         (smin<mode>3_vsx): Likewise.
22766         (pre-VSX min/max splitters): Likewise.
22767         (s<minmax><mode>3_fpr): Likewise.
22768         (movsfcc): Rewrite floating point conditional moves to combine
22769         SFmode/DFmode into a single insn.
22770         (mov<mode>cc): Likewise.
22771         (movdfcc): Likewise.
22772         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
22773         SFDF2 iterators to handle all combinations.
22774         (fseldfsf4): Likewise.
22775         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
22776         (fseldfdf4): Likewise.
22777         (fselsfdf4): Likewise.
22778         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
22779         comparison instructions that set a 0/-1 mask, and use it for
22780         floating point conditional move via XXSEL.
22781         (fpmask<mode>): Likewise.
22782         (xxsel<mode>): Likewise.
22783         * config/rs6000/predicates.md (min_max_operator): Delete, no
22784         longer used.
22785         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
22786         instructions that generate a 0/-1 mask for use with XXSEL.
22787         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
22788         say whether floating point min/max is available, either through
22789         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
22790         (TARGET_MINMAX_DF): Likewise.
22792 2016-05-27  Alan Modra  <amodra@gmail.com>
22794         PR rtl-optimization/71275
22795         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
22796         for update_equiv_regs and combine_and_move_insns.
22798 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
22800         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
22801         if_then_else or cond RTXes to calculate attribute value.
22802         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
22803         <attr "length_immediate>: Ditto.
22804         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
22805         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
22806         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
22807         <attr "type">: Ditto.
22808         <attr "prefix_data16">: Ditto.
22809         <attr "prefix_extra">: Ditto.
22810         <attr "length_immediate">: Ditto.
22811         <attr "prefix">: Ditto.
22812         (vec_set<mode>_0) <attr "isa">: Ditto.
22813         <attr "prefix_extra">: Ditto.
22814         <attr "length_immediate">: Ditto.
22815         <attr "prefix">: Ditto.
22816         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
22817         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
22818         (sse2_storelpd) <attr "prefix_data16">: Ditto.
22819         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
22820         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
22821         <attr "length_immediate">: Ditto.
22822         <attr "prefix">: Ditto.
22823         (sse2_movsd) <attr "length_immediate">: Ditto.
22824         <attr "prefix">: Ditto.
22825         (vec_concatv2df)  <attr "isa">: Ditto.
22826         <attr "prefix">: Ditto.
22827         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
22828         (*vec_extractv2di_1) <attr "isa">: Ditto.
22829         <attr "type">: Ditto.
22830         <attr "length_immediate">: Ditto.
22831         <attr "prefix_rex">: Ditto.
22832         <attr "prefix_extra">: Ditto.
22833         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
22834         <attr "prefix_extra">: Ditto.
22835         <attr "length_immediate">: Ditto.
22836         (vec_concatv2di) <attr "isa">: Ditto.
22837         <attr "prefix_extra">: Ditto.
22838         <attr "length_immediate">: Ditto.
22839         <attr "prefix">: Ditto.
22841 2016-05-26  Martin Liska  <mliska@suse.cz>
22843         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
22844         function.
22845         (operator+): Likewise.
22846         (operator-): Likewise.
22847         (comp_cost::operator+=): Likewise.
22848         (comp_cost::operator-=): Likewise.
22849         (comp_cost::operator/=): Likewise.
22850         (comp_cost::operator*=): Likewise.
22851         (operator<): Likewise.
22852         (operator==): Likewise.
22853         (operator<=): Likewise.
22854         (new_cost): Remove.
22855         (infinite_cost_p): Likewise.
22856         (add_costs): Likewise.
22857         (sub_costs): Likewise.
22858         (compare_costs): Likewise.
22859         (set_group_iv_cost): Use the newly introduced functions.
22860         (get_address_cost): Likewise.
22861         (get_shiftadd_cost): Likewise.
22862         (force_expr_to_var_cost): Likewise.
22863         (split_address_cost): Likewise.
22864         (ptr_difference_cost): Likewise.
22865         (difference_cost): Likewise.
22866         (get_computation_cost_at): Likewise.
22867         (determine_group_iv_cost_generic): Likewise.
22868         (determine_group_iv_cost_address): Likewise.
22869         (determine_group_iv_cost_cond): Likewise.
22870         (autoinc_possible_for_pair): Likewise.
22871         (determine_group_iv_costs): Likewise.
22872         (cheaper_cost_pair): Likewise.
22873         (iv_ca_recount_cost): Likewise.
22874         (iv_ca_set_no_cp): Likewise.
22875         (iv_ca_set_cp): Likewise.
22876         (iv_ca_cost): Likewise.
22877         (iv_ca_new): Likewise.
22878         (iv_ca_dump): Likewise.
22879         (iv_ca_narrow): Likewise.
22880         (iv_ca_prune): Likewise.
22881         (iv_ca_replace): Likewise.
22882         (try_add_cand_for): Likewise.
22883         (try_improve_iv_set): Likewise.
22884         (find_optimal_iv_set): Likewise.
22886 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
22888         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
22889         that internal functions will clobber all caller-saved registers.
22891 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
22893         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
22894         Return a better case_values_threshold when optimizing.
22896 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
22898         * config/aarch64/aarch64-simd.md (aarch64_combinez):
22899         Add ? to integer variant.
22900         (aarch64_combinez_be): Likewise.
22902 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
22904         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
22905         instead of x constraint.
22906         (vcvtps2ph256<mask_name>): Likewise.
22908         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
22909         alternative.  Formatting fix.
22911         * config/i386/sse.md
22912         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
22913         to ...
22914         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
22915         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
22916         maybe_evex prefix instead of vex.
22917         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
22918         EXT_REX_SSE_REG_P (op0) case in the splitter.
22920 2016-05-25  Jeff Law  <law@redhat.com>
22922         PR tree-optimization/71272
22923         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
22924         Update comments.  Add test for empty path.
22926 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
22928         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
22929         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
22930         special case builtin.
22931         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
22932         code for ALTIVEC_BUILTIN_VEC_CMPNE.
22933         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
22934         for __builtin_vec_cmpne.
22936 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
22938         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
22939         redundant test and bail out if the type of the new operand is not
22940         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
22942 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
22944         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
22945         (x_ix86_target_flags_explicit): Remove.
22946         * config/i386/i386.c (ix86_function_specific_save): Do not copy
22947         x_ix86_target_flags_explicit.
22948         (ix86_function_specific_restore): Ditto.
22950 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
22951             H.J. Lu  <hongjiu.lu@intel.com>
22953         PR target/70738
22954         * common/config/i386/i386-common.c
22955         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
22956         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
22957         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
22958         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
22959         (-mgeneral-regs-only): Add new option.
22960         * config/i386/i386.c (ix86_option_override_internal): Don't enable
22961         x87 instructions if only general registers are allowed.
22962         (ix86_target_string): Add ix86_flags argument. Handle additional
22963         flags options through ix86_flags argument.  Update all callers.
22964         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
22966 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22968         PR rtl-optimization/66940
22969         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
22970         decrementing desired_val will not overflow before performing these
22971         operations.
22973 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
22975         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
22976         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
22977         * config/i386/i386.c (enum ix86_builtins): Add
22978         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
22979         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
22980         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
22981         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
22982         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
22983         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
22984         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
22985         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
22986         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
22987         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
22988         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
22989         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
22990         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
22991         __builtin_ia32_cvtps2dq512_mask.
22992         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
22993         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
22994         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
22995         * config/i386/sse.md
22996         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
22997         Rename to ...
22998         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
22999         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
23000         to ...
23001         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
23002         (avx512f_vec_pack_sfix_v8df): New define_expand.
23003         (avx512f_roundpd512): Rename to ...
23004         (avx512f_round<castmode>512): ... this.  Change iterator.
23005         (avx512f_roundps512_sfix): New define_expand.
23006         (round<mode>2_sfix): Change iterator.
23008 2016-05-25  Nick Clifton  <nickc@redhat.com>
23010         * config/msp430/msp430.c (msp430_attr): Produce an error if a
23011         static interrupt handler is detected.
23012         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
23013         default linker script.
23014         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
23015         the low part of a symbolic pointer.
23017 2016-05-25  Richard Biener  <rguenther@suse.de>
23019         PR tree-optimization/71261
23020         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
23021         interesting stmt instead of immediate uses when looking
23022         for the use operand to replace.
23024 2016-05-25  Martin Liska  <mliska@suse.cz>
23026         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
23028 2016-05-25  Richard Biener  <rguenther@suse.de>
23030         PR tree-optimization/71264
23031         * tree-vect-stmts.c (vect_init_vector): Properly deal with
23032         vector type val.
23034 2016-05-25  Martin Liska  <mliska@suse.cz>
23036         PR tree-optimization/71239
23037         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
23038         if DECL_SIZE is NULL.
23040 2016-05-25  Richard Biener  <rguenther@suse.de>
23042         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
23043         * tree-if-conv.c (pass_data_if_conversion): Use it.
23045 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
23047         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
23048         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
23049         * varpool.c (varpool_node::get_availability): Likewise.
23051 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
23053         * config/rs6000/altivec.md (VNEG iterator): New iterator for
23054         VNEGW/VNEGD instructions.
23055         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
23056         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
23057         support for ISA 3.0 VNEGW/VNEGD instructions.
23059 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
23061         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
23062         pointers inside OACC_DATA regions.
23063         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
23064         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
23065         (gimplify_adjust_omp_clauses): Fix typo in comment.
23067 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
23069         * config/rs6000/altivec.md (VParity): New mode iterator for vector
23070         parity built-in functions.
23071         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
23072         zeros.
23073         (p9v_parity<mode>2): Likewise.
23074         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
23075         parity.
23076         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
23077         (parity<mode>2): ISA 3.0 expander for vector parity.
23078         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
23079         power9 built-ins.
23080         (BU_P9_64BIT_MISC_0): Likewise.
23081         (BU_P9_MISC_0): Likewise.
23082         (BU_P9V_AV_1): Likewise.
23083         (BU_P9V_AV_2): Likewise.
23084         (BU_P9V_AV_3): Likewise.
23085         (BU_P9V_AV_P): Likewise.
23086         (BU_P9V_VSX_1): Likewise.
23087         (BU_P9V_OVERLOAD_1): Likewise.
23088         (BU_P9V_OVERLOAD_2): Likewise.
23089         (BU_P9V_OVERLOAD_3): Likewise.
23090         (VCTZB): Add vector count trailing zeros support.
23091         (VCTZH): Likewise.
23092         (VCTZW): Likewise.
23093         (VCTZD): Likewise.
23094         (VPRTYBD): Add vector parity support.
23095         (VPRTYBQ): Likewise.
23096         (VPRTYBW): Likewise.
23097         (VCTZ): Add overloaded vector count trailing zeros support.
23098         (VPRTYB): Add overloaded vector parity support.
23099         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
23100         overloaded vector count trailing zeros and parity instructions.
23101         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
23102         vector parity support.
23103         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
23104         trailing zeros support.
23105         (vec_cntlz): Likewise.
23106         (vec_vctzb): Likewise.
23107         (vec_vctzd): Likewise.
23108         (vec_vctzh): Likewise.
23109         (vec_vctzw): Likewise.
23110         (vec_vprtyb): Add ISA 3.0 vector parity support.
23111         (vec_vprtybd): Likewise.
23112         (vec_vprtybw): Likewise.
23113         (vec_vprtybq): Likewise.
23114         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
23115         the ISA 3.0 vector count trailing zeros and vector parity built-in
23116         functions.
23118 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
23120         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
23121         when there is stmt_to_insert.
23123 2016-05-24  Martin Sebor  <msebor@redhat.com>
23125         PR c++/71147
23126         * tree.h (complete_or_array_type_p): New inline function.
23128 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
23130         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
23131         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
23132         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
23134         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
23135         Limit 1st alternative to noavx isa, split 2nd alternative into one
23136         noavx and one avx alternative, use *x and Bm in the former and
23137         x and m in the latter.
23139         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
23140         of sse4 for the first alternative, drop %v from the template
23141         and d operand modifier.  Split second alternative into one sse4_noavx
23142         and one avx alternative, use *x instead of *v in the former and v
23143         instead of *v in the latter.
23144         (*sse4_1_extractps): Use noavx isa instead of * for the first
23145         alternative, drop %v from the template.  Split second alternative into
23146         one noavx and one avx alternative, use *x instead of *v in the
23147         former and v instead of *v in the latter.
23148         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
23149         with noavx and the last one with avx.
23150         (sse4_1_phminposuw): Guard first alternative with noavx isa,
23151         split the second one into one noavx and one avx alternative,
23152         use *x and Bm in the former and x and m in the latter one.
23153         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
23154         alternatives.
23156         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
23157         first two alternatives to noavx, use *x instead of *v in the second
23158         one, add avx alternative without *.
23159         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
23160         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
23161         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
23163 2016-05-24  Jeff Law  <law@redhat.com>
23165         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
23166         New function, extracted from...
23167         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
23168         Allow simple copies and constant initializations in the SSA chain.
23170 2016-05-24  Marek Polacek  <polacek@redhat.com>
23172         PR c/71249
23173         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
23174         scope.
23176 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
23178         PR c++/71257
23179         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
23180         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
23181         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
23182         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
23183         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
23185 2016-05-24  Richard Biener  <rguenther@suse.de>
23187         PR tree-optimization/71240
23188         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
23189         has integral type.
23191 2016-05-24  Richard Biener  <rguenther@suse.de>
23193         PR tree-optimization/71230
23194         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
23196 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
23198         * tree-vectorizer.h (vectorizable_comparison): Delete.
23199         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
23200         PURE_SLP_STMT check.
23201         * tree-vect-stmts.c (vectorizable_call): Likewise.
23202         (vectorizable_simd_clone_call): Likewise.
23203         (vectorizable_conversion): Likewise.
23204         (vectorizable_assignment): Likewise.
23205         (vectorizable_shift): Likewise.
23206         (vectorizable_operation): Likewise.
23207         (vectorizable_load): Likewise.
23208         (vectorizable_condition): Likewise.
23209         (vectorizable_store): Likewise.  Assert that we don't have
23210         hybrid SLP.
23211         (vectorizable_comparison): Make static.  Remove redundant
23212         PURE_SLP_STMT check.
23213         (vect_transform_stmt): Assert that we always have an slp_node
23214         if PURE_SLP_STMT.
23216 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23218         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
23219         operands[2] against 1 with comparison against CONST1_RTX.
23220         (<shift>di3_neon): Likewise.
23221         * config/arm/predicates.md (const0_operand): Replace with comparison
23222         against CONST0_RTX.
23224 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23226         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
23227         operands[2] against 1 with comparison against CONST1_RTX.
23228         (ashrdi3): Likewise.
23229         (lshrdi3): Likewise.
23230         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
23231         UINTVAL.
23232         (ashrsi3): Likewise.
23233         (lshrsi3): Likewise.
23234         (rotrsi3): Likewise.
23235         (define_split above *compareqi_eq0): Likewise.
23236         (define_split above "prologue"): Likewise.
23237         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
23238         * config/arm/predicates.md (shift_operator): Likewise.
23239         (shift_nomul_operator): Likewise.
23240         (sat_shift_operator): Likewise.
23241         (thumb1_cmp_operand): Likewise.
23242         (const_neon_scalar_shift_amount_operand): Replace manual range
23243         check with IN_RANGE.
23244         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
23245         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
23247 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23249         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
23250         with HOST_WIDE_INT_1.
23251         (insv): Likewise.
23252         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
23253         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
23254         (arm_canonicalize_comparison): Likewise.
23255         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
23256         HOST_WIDE_INT_1.
23257         (thumb1_size_rtx_costs): Likewise.
23258         (vfp_const_double_index): Replace cast of 1 to unsigned
23259         HOST_WIDE_INT with HOST_WIDE_INT_1U.
23260         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
23261         HOST_WIDE_INT_1.
23262         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
23263         HOST_WIDE_INT with HOST_WIDE_INT_1U.
23264         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
23265         HOST_WIDE_INT with HOST_WIDE_INT_1.
23267 2016-05-24  Marek Polacek  <polacek@redhat.com>
23269         * tree-cfg.h (should_remove_lhs_p): New predicate.
23270         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
23271         * gimplify.c (gimplify_modify_expr): Likewise.
23272         * tree-cfg.c (verify_gimple_call): Likewise.
23273         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
23274         * gimple-fold.c: Include "tree-cfg.h".
23275         (gimple_fold_call): Use should_remove_lhs_p.
23277 2016-05-24  Richard Biener  <rguenther@suse.de>
23279         PR tree-optimization/71253
23280         * cfganal.h (control_dependences): Make robust against edge
23281         and BB removal.
23282         (control_dependences::control_dependences): Remove edge_list argument.
23283         (control_dependences::get_edge): Remove.
23284         (control_dependences::get_edge_src): Add.
23285         (control_dependences::get_edge_dest): Likewise.
23286         (control_dependences::m_el): Make a vector of edge src/dest index.
23287         * cfganal.c (control_dependences::find_control_dependence): Adjust.
23288         (control_dependences::control_dependences): Likewise.
23289         (control_dependences::~control_dependence): Likewise.
23290         (control_dependences::get_edge): Remove.
23291         (control_dependences::get_edge_src): Add.
23292         (control_dependences::get_edge_dest): Likewise.
23293         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
23294         get_edge_src.
23295         (perform_tree_ssa_dce): Adjust.
23296         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
23297         get_edge_src.
23298         (pass_loop_distribution::execute): Adjust.  Do loop destroying
23299         conditional on changed.
23301 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23303         PR target/69857
23304         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
23305         return.  Reindent transformation comment and mention the ARM state
23306         behavior.
23308 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
23310         PR middle-end/71252
23311         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
23312         after build_and_add_sum creates new use stmt.
23314 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
23316         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
23317         load_lanes/grouped_load classification comes first.  Don't check
23318         whether the vectorization factor is a multiple of the group size
23319         for load_lanes.
23321 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
23323         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
23324         GROUP_GAP for single-element interleaving.
23325         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
23326         variable.
23328 2016-05-24  Richard Biener  <rguenther@suse.de>
23330         PR middle-end/70434
23331         PR c/69504
23332         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
23333         bases which are accessed with non-invariant indices.
23334         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
23335         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
23337 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
23339         PR middle-end/71170
23340         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
23341         (add_to_ops_vec): Add stmt_to_insert.
23342         (add_repeat_to_ops_vec): Init stmt_to_insert.
23343         (insert_stmt_before_use): New.
23344         (transform_add_to_multiply): Remove mult_stmt insertion and add it
23345         to ops vector.
23346         (get_ops): Init stmt_to_insert.
23347         (maybe_optimize_range_tests): Likewise.
23348         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
23349         (rewrite_expr_tree_parallel): Likewise.
23350         (reassociate_bb): Likewise.
23352 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
23354         PR target/71201
23355         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
23356         ISA 3.0 xxperm fusion alternative.
23357         (altivec_vperm_v8hiv16qi): Likewise.
23358         (altivec_vperm_<mode>_uns_internal): Likewise.
23359         (vperm_v8hiv4si): Likewise.
23360         (vperm_v16qiv8hi): Likewise.
23362 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
23363             Kelvin Nilsen  <kelvin@gcc.gnu.org>
23365         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
23366         vpermr/xxpermr on ISA 3.0.
23367         (altivec_expand_vec_perm_le): Likewise.
23368         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
23369         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
23370         ISA 3.0.
23372 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
23374         * config/i386/i386.h (IS_STACK_MODE): Enable for
23375         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
23376         SSE_FLOAT_MODE_P macros.
23377         * config/i386/i386.c (ix86_preferred_reload_class): Use
23378         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
23379         Cleanup regclass processing for CONST_DOUBLE_P.
23380         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
23381         (ix86_rtx_costs): Remove redundant TARGET_80387 check
23382         with IS_STACK_MODE macro.
23383         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
23384         with TARGET_SSE2.
23385         (*movdf_internal): Use IS_STACK_MODE macro.
23386         (*movsf_internal): Ditto.
23388 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
23390         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
23391         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
23393 2016-05-23  Jeff Law  <law@redhat.com>
23395         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
23396         extracted from ...
23397         (fsm_find_control_statement_thread_paths): Call it.
23399 2016-05-23  Martin Jambor  <mjambor@suse.cz>
23401         PR ipa/71234
23402         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
23403         from_global_constant if t is not NULL.
23405 2016-05-23  Marek Polacek  <polacek@redhat.com>
23407         PR c/49859
23408         * common.opt (Wswitch-unreachable): New option.
23409         * doc/invoke.texi: Document -Wswitch-unreachable.
23410         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
23411         warning.
23413 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
23415         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
23416         TMR_INDEX is non-NULL.
23418 2016-05-23  Richard Biener  <rguenther@suse.de>
23420         PR tree-optimization/71230
23421         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
23422         (try_special_add_to_ops): ... here.  Always test for single-use.
23424 2016-05-23  Martin Jambor  <mjambor@suse.cz>
23426         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
23427         default block if a PHI node in the original one would be resized.
23429 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
23431         PR tree-optimization/58135
23432         * tree-vect-slp.c: When group size is not multiple
23433         of vector size, allow splitting of store group at
23434         vector boundary.
23436 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
23438         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
23440 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
23442         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
23443         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
23444         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
23445         of 64x2.
23447         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
23448         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
23449         v constraint instead of x and vinserti32x4 insn.
23451         * config/i386/sse.md (i128vldq): New mode iterator.
23452         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
23453         avx512dq and avx512vl alternatives.
23455         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
23456         constraint, use maybe_evex prefix instead of vex.
23457         (vec_dupv4sf): Use v constraint instead of x for output
23458         operand except for noavx alternative, use Yv constraint
23459         instead of x for input.  Use maybe_evex prefix instead of vex.
23460         (*vec_dupv4si): Likewise.
23461         (*vec_dupv2di): Likewise.
23463 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
23465         PR middle-end/40921
23466         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
23467         (linearize_expr_tree): Call try_special_add_to_ops.
23468         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
23470 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
23472         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
23473         to computed stack_usage.
23475 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
23477         PR target/71103
23478         * config/avr/avr.md (define_expand "mov<mode>"): If the source
23479         operand is subreg (symbol_ref) then move the symbol ref to register.
23481 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
23483         * tree.c (array_at_struct_end_p): Look through MEM_REF.
23485 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
23487         PR middle-end/71179
23488         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
23489         VECTOR type.
23491 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
23493         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
23494         ranges by calling get_single_symbol and tidy up.  Look more closely
23495         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
23497 2016-05-20  Jeff Law  <law@redhat.com>
23499         * bitmap.c (bitmap_find_bit): Remove useless test.
23501 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
23503         * function.c (thread_prologue_and_epilogue_insns): Commit the
23504         insertion of the epilogue.
23506 2016-05-20  Martin Jambor  <mjambor@suse.cz>
23508         PR tree-optimization/70884
23509         * tree-sra.c (initialize_constant_pool_replacements): Do not check
23510         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
23511         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
23512         of constant pool data as a reason for scalarization.
23514 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
23516         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
23517         for naked functions.
23518         (thumb1_expand_prologue): Likewise.
23520 2016-05-20  Nathan Sidwell  <nathan@acm.org>
23522         * config/nvptx/nptx.c (nvptx_option_override): Only set
23523         flag_toplevel_reorder, if not explicitly specified.  Set
23524         flag_no_common, unless explicitly specified.
23526 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
23528         * calls.c (can_implement_as_sibling_call_p): Mark param
23529         reg_parm_stack_space with ATTRIBUTE_UNUSED.
23531 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
23533         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
23534         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
23535         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
23536         constants.
23537         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
23538         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
23539         and CASE_CONST_ANY.
23541 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
23543         * config/nvptx/nvptx.md (sincossf3): New pattern.
23545 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
23547         * calls.c (maybe_complain_about_tail_call): New function.
23548         (initialize_argument_information): Call
23549         maybe_complain_about_tail_call when clearing *may_tailcall.
23550         (can_implement_as_sibling_call_p): Call
23551         maybe_complain_about_tail_call when returning false.
23552         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
23553         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
23554         if tail-call optimization fails.
23555         * cfgexpand.c (expand_call_stmt): Initialize
23556         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
23557         * gimple-pretty-print.c (dump_gimple_call): Dump
23558         gimple_call_must_tail_p.
23559         * gimple.c (gimple_build_call_from_tree): Call
23560         gimple_call_set_must_tail with the value of
23561         CALL_EXPR_MUST_TAIL_CALL.
23562         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
23563         (gimple_call_set_must_tail): New function.
23564         (gimple_call_must_tail_p): New function.
23565         * print-tree.c (print_node): Update printing of TREE_STATIC
23566         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
23567         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
23568         trailing comment listing applicable flags.
23569         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
23571 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
23573         * calls.c (expand_call): Move "Rest of purposes for tail call
23574         optimizations to fail" to...
23575         (can_implement_as_sibling_call_p): ...this new function, and
23576         split into multiple "if" statements.
23578 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
23580         * cfgloop.h (expected_loop_iterations_unbounded,
23581         expected_loop_iterations): Unconstify.
23582         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
23583         profile with known upper bound; return 3 when profile is absent.
23584         (expected_loop_iterations): Update.
23586 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
23588         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
23589         and get_max_loop_iterations_int.
23591 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
23593         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
23594         realistic upper bounds here.
23596 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
23598         PR c++/71210
23599         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
23600         calls if the LHS is variable length or has addressable type.
23601         If targets[0]->decl is a noreturn call with void return type and
23602         zero arguments, adjust fntype and remove lhs in that case.
23604 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
23606         PR tree-optimization/71079
23607         PR tree-optimization/71206
23608         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
23610 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
23612         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
23613         (get_vec_alignment_for_array_decl): Likewise.
23614         (get_vec_alignment_for_record_decl): Likewise.
23615         (increase_alignment::execute): Move code to find alignment to
23616         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
23617         (type_align_map): New hash_map.
23619 2016-05-20  Richard Guenther  <rguenther@suse.de>
23621         PR tree-optimization/29756
23622         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
23623         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
23624         * fold-const.c (operand_equal_p): Likewise.
23625         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
23626         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
23627         * tree-inline.c (estimate_operator_cost): Likewise.
23628         * tree-pretty-print.c (dump_generic_node): Likewise.
23629         * tree-ssa-operands.c (get_expr_operands): Likewise.
23630         * cfgexpand.c (expand_debug_expr): Likewise.
23631         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
23632         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
23633         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
23634         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
23635         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
23636         (execute_update_addresses_taken): Do it.
23638 2016-05-20  Richard Biener  <rguenther@suse.de>
23640         PR tree-optimization/71185
23641         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
23642         register operations.
23644 2016-05-20  Richard Biener  <rguenther@suse.de>
23646         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
23647         gimple_seq_add_seq_without_update.
23648         (release_bb_predicate): Assert we have no operands to free.
23649         (if_convertible_loop_p_1): Calculate post dominators later.
23650         Do not free BB predicates here.
23651         (combine_blocks): Do not recompute BB predicates.
23652         (version_loop_for_if_conversion): Save BB predicates around
23653         loop versioning.
23655 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
23657         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
23658         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
23659         code.  Ignore sibcalls on EDGE_IGNORE edges.
23660         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
23661         on edges for sibcalls that run without prologue.  The rest of the
23662         function is combined from...
23663         (fix_fake_fallthrough_edge): ... this, and ...
23664         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
23665         function argument, make it a local variable.
23667 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
23669         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
23670         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
23671         for 32-bit mode and SEH for 64-bit.
23672         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
23673         TARGET_64BIT_DEFAULT.
23675 2016-05-19  Ryan Burn  <contact@rnburn.com>
23677         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
23678         * gengtype.c (open_base_files): Add cilk.h to ifiles.
23680 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
23682         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
23683         force pending loads from memory.
23685 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23687         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
23688         (UNSPEC_DARN_32): New unspec constant.
23689         (UNSPEC_DARN_RAW): New unspec constant.
23690         (darn_32): New instruction.
23691         (darn_raw): New instruction.
23692         (darn): New instruction.
23693         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
23694         support and documentation for this macro.
23695         (BU_P9_MISC_1): New macro definition.
23696         (BU_P9_64BIT_MISC_0): New macro definition.
23697         (BU_P9_MISC_0): New macro definition.
23698         (darn_32): New builtin definition.
23699         (darn_raw): New builtin definition.
23700         (darn): New builtin definition.
23701         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
23702         RS6000_BUILTIN_0 directives to surround each occurrence of
23703         #include "rs6000-builtin.def".
23704         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
23705         RS6000_BTM_64BIT flags to the returned mask, depending on
23706         configuration.
23707         (def_builtin): Correct an error in the assignments made to the
23708         debugging variable attr_string.
23709         (rs6000_expand_builtin): Add support for no-operand built-in
23710         functions.
23711         (builtin_function_type): Remove fatal_error assertion that is no
23712         longer valid.
23713         (rs6000_common_init_builtins): Add support for no-operand built-in
23714         functions.
23715         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
23716         definition.
23717         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
23718         definition.
23719         (RS6000_BTM_64BIT): New macro definition.
23720         * doc/extend.texi: Document __builtin_darn (void),
23721         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
23722         functions.
23724 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
23726         * tree-vect-loop.c (vect_analyze_loop_2): Use also
23727         max_loop_iterations_int.
23729 2016-05-19  Marek Polacek  <polacek@redhat.com>
23731         PR tree-optimization/71031
23732         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
23733         condition and adjust the code a bit.
23735 2016-05-19  Martin Liska  <mliska@suse.cz>
23737         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
23738         auto_vec instead of vec.
23740 2016-05-19  Martin Liska  <mliska@suse.cz>
23742         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
23744 2016-05-19  Martin Liska  <mliska@suse.cz>
23746         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
23748 2016-05-19  Martin Liska  <mliska@suse.cz>
23750         * ipa-pure-const.c (set_function_state): Remove an existing
23751         funct_state.
23752         (remove_node_data): Do not free it as it's released
23753         in set_function_state.
23755 2016-05-19  Martin Liska  <mliska@suse.cz>
23757         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
23758         bitmap.
23760 2016-05-19  Martin Liska  <mliska@suse.cz>
23762         * omp-simd-clone.c (simd_clone_adjust): Release vector.
23764 2016-05-19  Martin Liska  <mliska@suse.cz>
23766         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
23767         an auto_vec instead of re-creating it.
23769 2016-05-19  Martin Liska  <mliska@suse.cz>
23771         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
23772         auto_vec instead of vec.
23774 2016-05-19  Martin Liska  <mliska@suse.cz>
23776         * lto-section-in.c (lto_get_section_data): Call
23777         lto_check_version with additional argument.
23778         * lto-streamer.c (lto_check_version): Add new argument.
23779         * lto-streamer.h (lto_check_version): Likewise.
23781 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23783         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
23784         Don't add cost of inner memory when handling sign-extended loads.
23786 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
23788         PR rtl-optimization/71148
23789         * cse.c (cse_main): Free dominance info.
23790         (rest_of_handle_cse): Don't free dominance info.
23791         (rest_of_handle_cse2): Likewise.
23792         (rest_of_handle_cse_after_global_opts): Likewise.
23794 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23796         PR target/71056
23797         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
23798         NULL_TREE early if NEON is not available.  Remove now redundant check
23799         in ARM_CHECK_BUILTIN_MODE.
23801 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
23803         PR sanitizer/64354
23804         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
23805         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
23806         * doc/cpp.texi: Document new macros.
23808 2016-05-19  Bin Cheng  <bin.cheng@arm.com>
23810         PR tree-optimization/69848
23811         * tree-vect-loop.c (vectorizable_reduction): Don't factor
23812         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
23814 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
23816         * function.c (thread_prologue_and_epilogue_insn): Move the
23817         "goto epilogue_done" one block later.
23819 2016-05-19  Richard Biener  <rguenther@suse.de>
23821         PR tree-optimization/70729
23822         * passes.def: Move LIM pass before PRE.  Remove no longer
23823         required copyprop and move first DCE out of the loop pipeline.
23825 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
23827         PR driver/69265
23828         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
23829         (OBJS-libcommon-target): ...here.
23830         * opts-common.c: Include spellcheck.h.
23831         (cmdline_handle_error): Build a vec of valid options and use it
23832         to suggest provide hints for misspelled arguments.
23834 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
23836         PR c++/71100
23837         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
23838         lhs if it has TREE_ADDRESSABLE type.
23840 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
23842         PR target/71145
23843         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
23844         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
23846 2016-05-18  Martin Jambor  <mjambor@suse.cz>
23848         PR ipa/69708
23849         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
23850         input for NOP_EXPR pass-through functions.
23851         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
23852         aggregate global constant VAR_DECLs in constant jump functions.
23854 2016-05-18  Martin Jambor  <mjambor@suse.cz>
23856         PR ipa/69708
23857         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
23858         from TREE_READONLY parameters.
23860 2016-05-18  Martin Jambor  <mjambor@suse.cz>
23862         PR ipa/69708
23863         * cgraph.h (cgraph_indirect_call_info): New field
23864         guaranteed_unmodified.
23865         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
23866         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
23867         appropriate.
23868         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
23869         pass the parameter value to ipa_find_agg_cst_for_param.
23870         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
23871         guaranteed_unmodified, store AA results there instead of bailing out
23872         if present.
23873         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
23874         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
23875         (find_constructor_constant_at_offset): New function.
23876         (ipa_find_agg_cst_from_init): Likewise.
23877         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
23878         static initializers of contants, report back through a new paameter
23879         from_global_constant if that was the case.
23880         (try_make_edge_direct_simple_call): Also pass parameter value to
23881         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
23882         appropriate.
23883         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
23884         (ipa_read_indirect_edge_info): Likewise.
23885         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
23886         (ipa_load_from_parm_agg): Likewise.
23888 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
23890         PR rtl-optimization/71150
23891         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
23892         check.
23894 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
23896         PR target/70915
23897         * config/rs6000/constraints.md (wE constraint): New constraint
23898         for a vector constant that can be loaded with XXSPLTIB.
23899         (wM constraint): New constraint for a vector constant of a 1's.
23900         (wS constraint): New constraint for a vector constant that can be
23901         loaded with XXSPLTIB and a vector sign extend instruction.
23902         * config/rs6000/predicates.md (xxspltib_constant_split): New
23903         predicates for wE/wS constraints.
23904         (xxspltib_constant_nosplit): Likewise.
23905         (easy_vector_constant): Add support for constants that can be
23906         loaded via XXSPLTIB.
23907         (all_ones_constant): New predicate for vector constant with all
23908         1's set.
23909         (splat_input_operand): Add support for ISA 3.0 word splat operations.
23910         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
23911         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
23912         instruction and possibly with a sign extension.
23913         (output_vec_const_move): Add support for XXSPLTIB. If we are
23914         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
23915         instead of XXLXOR/XXLORC.
23916         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
23917         operations.
23918         (rs6000_legitimize_reload_address): Likewise.
23919         (rs6000_output_move_128bit): Use output_vec_const_move to emit
23920         constants.
23921         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
23922         combine VSX_M and VSX_M2 into one iterator.
23923         (VSX_M2): Likewise.
23924         (VSINT_84): New iterators for loading constants with XXSPLTIB.
23925         (VSINT_842): Likewise.
23926         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
23927         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
23928         XXSPLTIB instruction.
23929         (xxspltib_<mode>_nosplit): Likewise.
23930         (xxspltib_<mode>_split): New insn to load up constants with
23931         XXSPLTIB and a sign extend instruction.
23932         (vsx_mov<mode>): Replace single move that handled all vector types
23933         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
23934         moves (when -mvsx-timode is in effect) into the main vector
23935         moves.  Eliminate separate moves for <VSr> <VSa>, where the
23936         preferred register class (<VSr>) is listed first, and the
23937         secondary register class (<VSa>) is listed second with a '?' to
23938         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
23939         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
23940         that if the register was involved in a slow operation, the
23941         clear/set operation does not wait for the slow operation to
23942         finish.  Adjust the length attributes for 32-bit mode.  Use
23943         rs6000_output_move_128bit and drop the use of the string
23944         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
23945         spacing so that the alternatives and attributes don't generate
23946         long lines, and put things in columns, so that it is easier to
23947         match up the operands and attributes with the insn alternatives.
23948         (vsx_mov<mode>_64bit): Likewise.
23949         (vsx_mov<mode>_32bit): Likewise.
23950         (vsx_movti_64bit): Fold movti into normal vector moves.
23951         (vsx_movti_32bit): Likewise.
23952         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
23953         splat instructions.
23954         (vsx_splat_v4si_internal): Likewise.
23955         (vsx_splat_v4sf_internal): Likewise.
23956         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
23957         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
23958         extend vector elements.
23959         (vsx_sign_extend_hi_<mode>): Likewise.
23960         (vsx_sign_extend_si_v2di): Likewise.
23961         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
23962         declaration.
23963         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
23964         constraints.  Add trailing period to wL documentation.
23966 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
23968         PR middle-end/71020
23969         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
23970         * tree-dfa.c (replace_abnormal_ssa_names): New function.
23971         * tree-call-cdce.c: Include tree-dfa.h.
23972         (can_guard_call_p): New function, extracted from...
23973         (can_use_internal_fn): ...here.
23974         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
23975         and return void.
23976         (shrink_wrap_one_built_in_call): Likewise.
23977         (use_internal_fn): Likewise.
23978         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
23979         and return void.  Call replace_abnormal_ssa_names.
23980         (pass_call_cdce::execute): Check can_guard_call_p during the
23981         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
23982         will always change something.
23984 2016-05-18  Martin Jambor  <mjambor@suse.cz>
23986         PR ipa/70646
23987         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
23988         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
23990 2016-05-18  Martin Jambor  <mjambor@suse.cz>
23992         PR ipa/70646
23993         * ipa-inline.h (condition): New field size.
23994         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
23995         for comaprison and store it into the new condition.
23996         (evaluate_conditions_for_known_args): Use condition size to check
23997         access sizes for all but CHANGED conditions.
23998         (unmodified_parm_1): New parameter size_p, store access size into it.
23999         (unmodified_parm): Likewise.
24000         (unmodified_parm_or_parm_agg_item): Likewise.
24001         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
24002         (set_cond_stmt_execution_predicate): Extract access sizes and store
24003         them to conditions.
24004         (set_switch_stmt_execution_predicate): Likewise.
24005         (will_be_nonconstant_expr_predicate): Likewise.
24006         (will_be_nonconstant_predicate): Likewise.
24007         (inline_read_section): Stream condition size.
24008         (inline_write_summary): Likewise.
24010 2016-05-18  Richard Biener  <rguenther@suse.de>
24012         * tree-ssa-loop-im.c (determine_max_movement): Properly add
24013         condition cost to PHI cost instead of total_cost.
24015 2016-05-18  Martin Liska  <mliska@suse.cz>
24017         PR fortran/70856
24018         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
24019         merged variables.
24021 2016-05-18  Richard Biener  <rguenther@suse.de>
24023         * lto-streamer.h (LTO_major_version): Bump to 6.
24025 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
24027         * function.c (make_split_prologue_seq, make_prologue_seq,
24028         make_epilogue_seq): New functions, factored out from...
24029         (thread_prologue_and_epilogue_insns): Here.
24031 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
24033         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
24034         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
24035         of before.  Add a comment.
24037 2016-05-18  Bin Cheng  <bin.cheng@arm.com>
24039         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
24040         expression pointer, not pointer to the pointer.
24042 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
24044         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
24045         (avx2_pbroadcast<mode>): Add another alternative with v instead
24046         of x constraints in it, using <pbroadcast_evex_isa> isa.
24047         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
24049         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
24050         constraint x instead of v in second alternative, add avx512bw
24051         alternative.
24053         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
24054         constraint x instead of v in second alternative, add avx512bw
24055         alternative.
24057         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
24058         constraint x instead of v in second alternative, add avx512bw
24059         alternative.
24061         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
24062         avx512bw alternative.
24064 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
24066         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
24067         array to 128 chars.
24068         (define_insn "*andnottf3"): Ditto.
24069         (define_insn "*<code><mode>3"/any_logic): Ditto.
24070         (define_insn "*<code>tf3"/any_logic): Ditto.
24071         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
24072         operand to block AVX-512VL insn variant emit when it is not enabled.
24074 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
24076         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
24077         constraint fot SF mode.
24079 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
24080             Kirill Yukhin  <kirill.yukhin@intel.com>
24082         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
24083         modifiers.
24084         (define_insn "rsqrt14<mode>"): Ditto.
24085         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
24086         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
24087         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
24088         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
24089         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
24090         Ditto.
24091         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
24092         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
24093         * config/i386/i386.c (ix86_print_operand): Expand check for size
24094         override codes for Intel syntax.
24096 2016-05-18  Richard Biener  <rguenther@suse.de>
24098         PR tree-optimization/71168
24099         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
24100         initialization earlier.
24102 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
24104         * config/aarch64/aarch64-simd.md
24105         (aarch64_reduc_plus_internal<mode>): Rename to...
24106         (reduc_plus_scal): ...This, and remove previous implementation.
24108 2016-05-18  Richard Biener  <rguenther@suse.de>
24110         * passes.def: Put late dse and cd_dce in canonical order.
24112 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
24114         * ipa-inline-transform.c (preserve_function_body_p): Look for
24115         first non-thunk clone.
24116         (save_function_body): Save into first non-thunk.
24117         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
24118         up call stmt id.
24119         (lto_output_node): Inline thunks don't need body in every
24120         partition.
24121         * lto-streamer-in.c: Do not fixup thunk clones.
24122         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
24123         thunks.
24124         * tree-inline.c (copy_bb): Be prepared for target node to be new after
24125         folding suceeds.
24127 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
24129         PR middle-end/63586
24130         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
24131         (reassociate_bb): Call transform_add_to_multiply.
24133 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
24135         * config/aarch64/aarch64.c (all_extensions): Removed unused
24136         static variable.
24138 2016-05-17  Nathan Sidwell  <nathan@acm.org>
24140         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
24141         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
24143 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
24145         PR tree-optimization/54579
24146         PR middle-end/55299
24147         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
24149 2016-05-17  Marek Polacek  <polacek@redhat.com>
24151         PR ipa/71146
24152         * tree-inline.c (expand_call_inline): Call
24153         maybe_remove_unused_call_args.
24155 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
24157         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
24158         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
24159         * doc/md.texi (fmin@var{m}3): Likewise.
24161 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
24163         * match.pd (X & C): New transformation.
24165 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
24167         * match.pd (~X & Y): New transformation.
24169 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
24171         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
24172         information for new SSA_NAME.
24173         (simplify_conversion_using_ranges): Get range through get_range_info
24174         instead of get_value_range.
24176 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
24178         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
24179         Remove inline assembly.
24180         (vmvn_s16): Likewise.
24181         (vmvn_s32): Likewise.
24182         (vmvn_u8): Likewise.
24183         (vmvn_u16): Likewise.
24184         (vmvn_u32): Likewise.
24185         (vmvnq_s8): Likewise.
24186         (vmvnq_s16): Likewise.
24187         (vmvnq_s32): Likewise.
24188         (vmvnq_u8): Likewise.
24189         (vmvnq_u16): Likewise.
24190         (vmvnq_u32): Likewise.
24191         (vmvn_p8): Likewise.
24192         (vmvnq_p16): Likewise.
24194 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
24196         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
24197         Use builtin.
24198         (vmul_n_s16): Likewise.
24199         (vmul_n_s32): Likewise.
24200         (vmul_n_u16): Likewise.
24201         (vmul_n_u32): Likewise.
24202         (vmulq_n_f32): Likewise.
24203         (vmulq_n_f64): Likewise.
24204         (vmulq_n_s16): Likewise.
24205         (vmulq_n_s32): Likewise.
24206         (vmulq_n_u16): Likewise.
24207         (vmulq_n_u32): Likewise.
24209 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
24211         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
24212         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
24214 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
24216         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
24217         to *aarch64_fma4_elt_from_dup<mode>.
24218         (*aarch64_fnma4_elt_to_128df): Rename to
24219         *aarch64_fnma4_elt_from_dup<mode>.
24220         * config/aarch64/arm_neon.h (vfma_n_f64): New.
24221         (vfms_n_f32): Likewise.
24222         (vfms_n_f64): Likewise.
24223         (vfmsq_n_f32): Likewise.
24224         (vfmsq_n_f64): Likewise.
24226 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
24228         * wide-int.h: Change fixed_wide_int_storage from class to struct.
24230 2016-05-17  Richard Biener  <rguenther@suse.de>
24232         PR tree-optimization/71132
24233         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
24234         Only add control dependences for blocks in the loop.
24235         (build_rdg): Adjust.
24236         (generate_code_for_partition): Return whether loop should
24237         be destroyed and delay that.
24238         (distribute_loop): Likewise.
24239         (pass_loop_distribution::execute): Record loops to be destroyed
24240         and perform delayed destroying of loops.
24242 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24244         PR target/70809
24245         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
24247 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
24249         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
24251 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
24253         PR target/71114
24254         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
24255         insertion point for instructions generated by validize_mem.
24257 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
24259         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
24260         in brackets.
24262 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
24264         * config/aarch64/aarch64.c
24265         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
24266         rather than a macro.
24268 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
24270         * doc/invoke.texi (AArch64 Options): Various updates.
24272 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
24274         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
24275         into instrumentation thunks.
24276         * cif-code.def (CIF_CHKP): New.
24278 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
24280         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
24282 2016-05-16  Martin Jambor  <mjambor@suse.cz>
24284         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
24285         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
24287 2016-05-16  Marek Polacek  <polacek@redhat.com>
24289         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
24290         commentary.
24292 2016-05-16  Martin Jambor  <mjambor@suse.cz>
24294         PR hsa/70857
24295         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
24296         the outlined kernel function.
24298 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
24300         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
24301         (ISA_HAS_DLSA): Ditto.
24303 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
24305         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
24307 2016-05-16  Nathan Sidwell  <nathan@acm.org>
24309         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
24310         (nvptx_name_replacement): Restore.  Add comment.
24311         (write_fn_proto, write_fn_proto_from_insn,
24312         nvptx_output_call_insn): Restore
24313         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
24315 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
24317         * config/aarch64/aarch64.md
24318         (add<mode>3_compareC_cconly_imm): Remove use of %w.
24319         (add<mode>3_compareC_imm): Likewise.
24320         (<optab>si3_uxtw): Split into register and immediate variants.
24321         (andsi3_compare0_uxtw): Likewise.
24322         (and<mode>3_compare0): Likewise.
24323         (and<mode>3nr_compare0): Likewise.
24324         (stack_protect_test_<mode>): Don't use %x for memory operands.
24326 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
24328         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
24330 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
24332         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
24333         Split integer shifts into shift_reg and bfm.
24334         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
24335         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
24336         (ror<mode>3_insn): Likewise.
24337         (<optab>si3_insn_uxtw): Likewise.
24338         (<optab><mode>3_insn): Change to rotate_imm.
24339         (extr<mode>5_insn_alt): Likewise.
24340         (extrsi5_insn_uxtw): Likewise.
24341         (extrsi5_insn_uxtw_alt): Likewise.
24343 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
24345         * doc/tm.texi: Regenerate.
24346         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
24347         (TARGET_INVALID_RETURN_TYPE): Remove.
24348         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
24349         TARGET_INVALID_RETURN_TYPE.
24350         * target.def (invalid_parameter_type): Remove.
24351         (invalid_return_type): Remove.
24353 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
24355         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
24356         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
24357         calls from thunk.
24358         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
24359         gimple body.
24360         (preserve_function_body_p): No need to preserve function body
24361         * cif-codes.def (CIF_THUNK): Remove.
24362         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
24364 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
24366         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
24368 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
24370         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
24371         for thunks.
24373 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
24375         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
24376         (inline_small_functions): Do not look for function symbol when
24377         resetting caches.
24379 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
24381         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
24382         of inline thunks
24384 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
24385             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
24386             Jiong Wang  <jiong.wang@arm.com>
24388         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
24389         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
24390         Define __ARM_FP16_ARGS when appropriate.
24391         * config/arm/arm.c (arm_invalid_parameter_type): Remove
24392         declaration.
24393         (arm_invalid_return_type): Likewise.
24394         (TARGET_INVALID_PARAMETER_TYPE): Remove.
24395         (TARGET_INVALID_RETURN_TYPE): Remove.
24396         (aapcs_vfp_sub_candidate): Allow HFmode.
24397         (aapcs_vfp_allocate): Add comment.  Support HFmode.
24398         (aapcs_vfp_allocate_return_reg): Likewise.
24399         (struct aapcs_cp_arg_layout): Slightly reword comments for
24400         is_return_candidate and allocate_return_reg.
24401         (output_mov_vfp): Update assert.
24402         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
24403         condition.
24404         (arm_invalid_parameter_type): Remove.
24405         (amr_invalid_return_type): Remove.
24406         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
24407         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
24408         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
24410 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
24412         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
24413         * config/aarch64/arch64-protos.h
24414         (aarch64_legitimize_reload_address): Remove.
24415         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
24416         Remove.
24418 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
24420         * configure.ac: Add ACX_NONCANONICAL_HOST.
24421         * configure: Regenerate.
24422         * Makefile.in: Set host_noncanonical.
24424 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
24426         PR target/71097
24427         * config/i386/i386.md (*movtf_internal): Before register allocation,
24428         do not allow FP constants for CM_MEDIUM memory model, allow only
24429         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
24430         (*movxf_internal): Ditto.
24431         (*movdf_internal): Ditto.
24432         (*movsf_internal): Ditto.
24434 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
24436         PR rtl-optimization/67483
24437         * combine.c (make_compound_operation): Don't call extract_left_shift
24438         with negative shift amounts.
24440 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
24442         PR bootstrap/71071
24443         * fold-const.c (fold_checksum_tree): Allow modification
24444         of TYPE_ALIAS_SET during folding.
24446         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
24447         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
24448         (ix86_split_to_parts): Likewise.  Fix up formatting.
24450 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
24452         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
24453         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
24454         printf format.
24456 2016-05-13  Nathan Sidwell  <nathan@acm.org>
24458         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
24459         (nvptx_name_replacement): Delete.
24460         (write_fn_proto, write_fn_proto_from_insn,
24461         nvptx_output_call_insn): Remove nvptx_name_replacement call.
24462         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
24463         * langhooks.c (add_builtin_funcction_common): Call
24464         targetm.mangle_decl_assembler_name.
24466         * config/nvptx/nvptx.c (write_fn_proto): Handle
24467         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
24469 2016-05-13  Martin Liska  <mliska@suse.cz>
24471         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
24472         and PRIu64 in printf format.
24474 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24476         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
24477         comment.
24479 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24481         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
24482         Change --param max-completely-peeled-times to
24483         --param max-completely-peel-times in dump file printing.
24485 2016-05-13  Richard Biener  <rguenther@suse.de>
24487         PR tree-optimization/42587
24488         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
24489         (find_bswap_or_nop_1): Likewise.
24490         (bswap_replace): Likewise.
24492 2016-05-13  Martin Liska  <mliska@suse.cz>
24494         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
24495         Initialize a variable with default value.
24497 2016-05-13  Martin Liska  <mliska@suse.cz>
24499         * doc/invoke.texi: Enhance explanation of error recovery
24500         of sanitizers.
24502 2016-05-13  Martin Liska  <mliska@suse.cz>
24504         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
24505         (struct cost_pair): Change inv_expr_id (int) to inv_expr
24506         (iv_inv_expr_ent *).
24507         (struct iv_inv_expr_ent): Comment struct fields.
24508         (sort_iv_inv_expr_ent): New function.
24509         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
24510         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
24511         a hash_map between iv_inv_expr_ent and number of usages.
24512         (niter_for_exit): Fix coding style.
24513         (tree_ssa_iv_optimize_init): Use renamed variable.
24514         (determine_base_object): Fix coding style.
24515         (alloc_iv): Likewise.
24516         (find_interesting_uses_outside): Likewise.
24517         (add_candidate_1): Likewise.
24518         (add_standard_iv_candidates): Likewise.
24519         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
24520         (prepare_decl_rtl): Fix coding style.
24521         (get_address_cost): Likewise.
24522         (get_shiftadd_cost): Likewise.
24523         (force_expr_to_var_cost): Likewise.
24524         (compare_aff_trees): Likewise.
24525         (get_expr_id): Restructure the function.
24526         (get_loop_invariant_expr_id): Renamed to
24527         get_loop_invariant_expr.
24528         (get_computation_cost_at): Replace usage of inv_expr_id with
24529         inv_expr.
24530         (get_computation_cost): Likewise.
24531         (determine_group_iv_cost_generic): Likewise.
24532         (determine_group_iv_cost_address): Likewise.
24533         (iv_period): Fix coding style.
24534         (iv_elimination_compare_lt): Likewise.
24535         (may_eliminate_iv): Likewise.
24536         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
24537         inv_expr.
24538         (determine_group_iv_costs): Dump invariant expressions.
24539         (iv_ca_recount_cost): Use the newly added hash_map.
24540         (iv_ca_set_remove_invariants): Fix coding style.
24541         (iv_ca_set_add_invariants): Fix coding style.
24542         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
24543         invariants.
24544         (iv_ca_set_cp): Likewise.
24545         (iv_ca_new): Initialize the newly added hash_map and remove
24546         initialization of fields.
24547         (iv_ca_free): Delete the hash_map.
24548         (iv_ca_dump): Dump invariant expressions.
24549         (iv_ca_extend): Fix coding style.
24550         (try_add_cand_for): Likewise.
24551         (create_new_ivs): Dump information about # of avg iterations and
24552         # of used invariant expressions.
24553         (rewrite_use_compare): Fix coding style.
24554         (free_loop_data): Set default value for max_inv_expr_id.
24556 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
24558         * cse.c (rest_of_handle_cse): Use cleanup_cfg
24559         returned value cse_cfg_altered computation.
24560         (rest_of_handle_cse2): Likewise.
24561         (rest_of_handle_cse_after_global_opts): Likewise.
24563 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
24565         PR target/53440
24566         * config/arm/arm.c (arm32_output_mi_thunk): New.
24567         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
24568         to split Thumb1 vs TARGET_32BIT functionality.
24569         (arm_thumb1_mi_thunk): New.
24571 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
24573         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
24574         to true.
24576 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24578         PR target/71080
24579         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
24581 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
24583         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
24584         (expand_builtin_trap): Emit a regular call.
24585         (set_builtin_user_assembler_name): Remove obsolete cases.
24586         * dse.c (scan_insn): Adjust.
24587         * except.c: Include calls.h.
24588         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
24589         emit a regular call to setjmp.
24590         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
24591         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
24592         (emit_block_move_via_libcall): Delete.
24593         (block_move_fn): Delete.
24594         (init_block_move_fn): Likewise.
24595         (emit_block_move_libcall_fn): Likewise.
24596         (emit_block_op_via_libcall): New function.
24597         (set_storage_via_libcall): Tidy up and use memset builtin.
24598         (block_clear_fn): Delete.
24599         (init_block_clear_fn): Likewise.
24600         (clear_storage_libcall_fn): Likewise.
24601         (expand_assignment): Call emit_block_move_via_libcall.
24602         Do not include gt-expr.h.
24603         * expr.h (emit_block_op_via_libcall): Declare.
24604         (emit_block_copy_via_libcall): New inline function.
24605         (emit_block_move_via_libcall): Likewise.
24606         (emit_block_comp_via_libcall): Likewise.
24607         (block_clear_fn): Delete.
24608         (init_block_move_fn): Likewise.
24609         (init_block_clear_fn): Likewise.
24610         (emit_block_move_via_libcall): Likewise.
24611         (set_storage_via_libcall): Add default parameter value.
24612         * libfuncs.h (enum libfunc_index): Remove obsolete values.
24613         (abort_libfunc): Delete.
24614         (memcpy_libfunc): Likewise.
24615         (memmove_libfunc): Likewise.
24616         (memcmp_libfunc): Likewise.
24617         (memset_libfunc): Likewise.
24618         (setbits_libfunc): Likewise.
24619         (setjmp_libfunc): Likewise.
24620         (longjmp_libfunc): Likewise.
24621         (profile_function_entry_libfunc): Likewise.
24622         (profile_function_exit_libfunc): Likewise.
24623         (gcov_flush_libfunc): Likewise.
24624         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
24625         and DECL_VISIBILITY on the declaration.
24626         (init_optabs): Do not initialize obsolete libfuncs.
24627         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
24628         * tree-core.h (ECF_RET1): Define.
24629         (ECF_TM_PURE): Adjust.
24630         (ECF_TM_BUILTIN): Likewise.
24631         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
24632         (build_common_builtin_nodes): Initialize abort builtin.
24633         Add ECF_RET1 on memcpy, memmove and memset builtins.
24634         Pass final flags for alloca and alloca_with_align builtins.
24635         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
24636         obsolete builtins.
24637         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
24638         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
24639         set_storage_via_libcall and call emit_block_copy_via_libcall.
24641 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
24643         * config/i386/i386.md (*call_got_x32): Change operand 0 to
24644         DImode before it is passed to ix86_output_call_operand.
24645         (*call_value_got_x32): Ditto for operand 1.
24647 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
24649         PR rtl-optimization/70904
24650         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
24651         reload for wide mode.
24653 2016-05-12  Marek Polacek  <polacek@redhat.com>
24655         PR c/70756
24656         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
24657         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
24658         * langhooks.h (incomplete_type_error): Likewise.
24659         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
24660         parameter, pass it down to incomplete_type_error.
24661         * tree.h (size_in_bytes): New inline overload.
24662         (size_in_bytes_loc): Renamed from size_in_bytes.
24664 2016-05-12  Richard Biener  <rguenther@suse.de>
24666         PR tree-optimization/71059
24667         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
24668         nary before looking up or entering the expression into the VN
24669         hashes.
24670         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
24671         Make sure to re-use NARYs without result as inserted by
24672         phi-translation.
24674 2016-05-12  Richard Biener  <rguenther@suse.de>
24676         PR tree-optimization/71062
24677         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
24678         field.
24679         * tree-ssa-structalias.c (set_uids_in_ptset): Set
24680         vars_contains_restrict if the var is a restrict tag.
24681         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
24682         do not disambiguate pointers against it.
24683         (dump_points_to_solution): Re-structure and adjust for new
24684         vars_contains_restrict flag.
24685         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
24687 2016-05-12  Martin Liska  <mliska@suse.cz>
24689         * doc/invoke.texi: Explain connection between
24690         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
24692 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
24694         PR tree-optimization/71006
24695         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
24696         consider COND_EXPR as a mask producer.
24698 2016-05-12  Marek Polacek  <polacek@redhat.com>
24700         PR driver/71063
24701         * opts.c (common_handle_option): Detect missing argument for --help^.
24703 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24705         PR target/70830
24706         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
24707         when popping the PC and within an interrupt handler routine.
24708         Add missing tab to output of "ldmfd".
24709         (output_return_instruction): Output LDMFD with SP update rather
24710         than POP when returning from interrupt handler.
24712 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
24714         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
24715         TARGET_64BIT && TARGET_AVX512DQ.
24716         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
24717         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
24718         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
24719         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
24720         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
24721         (*vec_extractv4si_zext): Add avx512dq alternative.
24722         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
24723         use v instead of x constraint in other alternatives where possible.
24725         * config/i386/sse.md (sse2_loadld): Use v instead of x
24726         constraint in alternatives 0,1,4.
24728         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
24729         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
24730         v constraints instead of x and <pinsr_evex_isa> isa attribute.
24732         PR target/71019
24733         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
24734         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
24735         is not emitted unless TARGET_AVX512BW.
24736         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
24737         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
24738         for the result operand.
24740         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
24741         constraint instead of x in avx alternatives.  Use maybe_evex instead
24742         of vex prefix.
24744         * config/i386/constraints.md (Yv): New constraint.
24745         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
24746         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
24747         * config/i386/i386.md (avx512fvecmode): New mode attr.
24748         (*pushtf): Use v constraint instead of x.
24749         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
24750         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
24751         (*absneg<mode>2): Use Yv constraint instead of x constraint.
24752         (*absnegtf2_sse): Likewise.
24753         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
24754         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
24755         avx512f alternatives.
24756         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
24758 2016-05-12  Richard Biener  <rguenther@suse.de>
24760         PR tree-optimization/71060
24761         * tree-data-ref.c (initialize_data_dependence_relation): Do not
24762         require exact match of DR_BASE_OBJECT but only matching address and
24763         type.
24765 2016-05-12  Richard Biener  <rguenther@suse.de>
24767         PR tree-optimization/70986
24768         * cfganal.c: Include cfgloop.h.
24769         (dfs_find_deadend): Prefer to take edges exiting loops.
24771 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24773         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
24774         compile and run time.
24776 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
24778         PR c/43651
24779         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
24781 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
24783         * config/i386/i386.c (legitimize_pic_address): Use
24784         copy_to_suggested_reg instead of gen_movsi.
24786 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
24788         * config/rs6000/predicates.md (quad_memory_operand): Move most of
24789         the code into quad_address_p and call it to share code with
24790         vsx_quad_dform_memory_operand.
24791         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
24792         d-form support.
24793         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
24794         bit instead of being a separate word.  Split -mpower9-dform into
24795         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
24796         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
24797         for the register class supporting 128-bit quad word memory offsets.
24798         (mode_supports_vsx_dform_quad): Helper function to return if the
24799         register class uses quad word memory offsets.
24800         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
24801         (rs6000_debug_reg_global): Always print if we are using LRA or not.
24802         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
24803         instructions are enabled, set up the appropriate addr_masks for
24804         128-bit types.
24805         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
24806         -mpower9-dform-scalar, instead of -mpower9-dform.
24807         (rs6000_option_override_internal): Split -mpower9-dform into two
24808         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
24809         -mpower9-dform switch sets or clears both.  If we are not using
24810         the LRA register allocator, do not enable -mpower9-dform-vector by
24811         default.  If we are using LRA, enable -mpower9-dform-vector and
24812         -mvsx-timode if it is appropriate.  Issue a warning if either
24813         -mpower9-dform-vector or -mvsx-timode are explicitly used without
24814         enabling LRA.
24815         (quad_address_offset_p): New helper function to return if the
24816         offset is legal for quad word memory instructions.
24817         (quad_address_p): New function to determin if GPR or vector
24818         register quad word memory addresses are legal.
24819         (mem_operand_gpr): Validate quad word address offsets.
24820         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
24821         d-form (register + offset) instructions.
24822         (offsettable_ok_by_alignment): Likewise.
24823         (rs6000_legitimate_offset_address_p): Likewise.
24824         (legitimate_lo_sum_address_p): Likewise.
24825         (rs6000_legitimize_address): Likewise.
24826         (rs6000_legitimize_reload_address): Add more debug statements for
24827         -mdebug=addr.
24828         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
24829         d-form instructions.
24830         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
24831         d-form instructions.  Distinguish different cases in debug
24832         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
24833         d-form instructions.
24834         (rs6000_preferred_reload_class): Likewise.
24835         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
24836         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
24837         of the ISA 2.06 indexed memory instructions.
24838         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
24839         use them to save/restore the saved vector registers instead of
24840         using Altivec instructions.
24841         (rs6000_emit_epilogue): Likewise.
24842         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
24843         (rs6000_opt_masks): Split -mpower9-dform into
24844         -mpower9-dform-scalar and -mpower9-dform-vector.
24845         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
24846         was not selected.
24847         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
24848         ISA 3.0 vector indexed memory instructions, and fold the code into
24849         the normal mov<mode> patterns.
24850         (p9_vecstore_<mode>): Likewise.
24851         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
24852         instructions.
24853         (vsx_movti_64bit): Likewise.
24854         (vsx_movti_32bit): Likewise.
24855         * config/rs6000/constraints.md (wO constraint): New constraint for
24856         ISA 3.0 vector d-form support.
24857         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
24858         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
24859         include -mpower9-dform-vector until we switch over to LRA.
24860         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
24861         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
24862         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
24863         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
24864         for -mpower9-dform and -mlra.
24865         * doc/md.texi (wO constraint): Document wO constraint.
24867 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
24869         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
24870         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
24871         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
24872         Move handling of non-insn arguments inline into the sole user:
24873         (output_trans_func): ...here.
24874         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
24875         in emitted function prototype.
24876         (output_internal_insn_latency_func): Ditto.  Simplify.
24877         (output_internal_maximal_insn_latency_func): Ditto.  Delete
24878         always-unused argument.
24879         (output_insn_latency_func): Ditto.
24880         (output_maximal_insn_latency_func): Ditto.
24882 2016-05-11  Richard Biener  <rguenther@suse.de>
24884         PR tree-optimization/71055
24885         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
24886         sth with precision not equal to access size verify we don't chop
24887         off bits.
24889 2016-05-11  Richard Biener  <rguenther@suse.de>
24891         PR debug/71057
24892         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
24893         (dwarf2out_finish): Move retry_incomplete_types call ...
24894         (dwarf2out_early_finish): ... here.
24896 2016-05-11  Richard Biener  <rguenther@suse.de>
24898         PR middle-end/71002
24899         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
24900         if the langhook insists on it.
24901         * fold-const.c (make_bit_field_ref): Add arg for the original
24902         reference and preserve its alias-set.
24903         (decode_field_reference): Take exp by reference and adjust it
24904         to the original memory reference.
24905         (optimize_bit_field_compare): Adjust callers.
24906         (fold_truth_andor_1): Likewise.
24907         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
24909 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
24911         PR middle-end/70807
24912         * cfgrtl.h (delete_insn_and_edges): Now return bool.
24913         * cfgrtl.c (delete_insn_and_edges): Likewise.
24914         * config/i386/i386.c (convert_scalars_to_vector): Remove
24915         redundant code.
24916         * cse.c (cse_insn): Compute cse_cfg_altered.
24917         (delete_trivially_dead_insns): Likewise.
24918         (cse_cc_succs): Likewise.
24919         (rest_of_handle_cse): Free dominance info if required.
24920         (rest_of_handle_cse2): Likewise.
24921         (rest_of_handle_cse_after_global_opts): Likewise.
24923 2016-05-11  Alan Modra  <amodra@gmail.com>
24925         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
24926         abi_v4_pass_in_fpr): New functions.
24927         (rs6000_function_arg_boundary): Exclude complex IBM long double
24928         from 64-bit alignment when ABI_V4.
24929         (rs6000_function_arg, rs6000_function_arg_advance_1,
24930         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
24932 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
24934         PR rtl-optimization/71028
24935         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
24936         jump with just a return in the fallthrough block if the branch
24937         block contains just a return as well.
24939 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
24941         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
24942         * match.pd ((X & Y) ^ Y): ... this.
24943         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
24944         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
24946 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
24948         * read-md.c (require_char_ws): New function.
24949         (read_string): Simplify using require_char_ws.
24950         (handle_constants): Likewise.
24951         (handle_enum): Likewise.
24952         (handle_file): Likewise.
24953         * read-md.h (require_char_ws): New declaration.
24954         * read-rtl.c (read_conditions): Simplify using require_char_ws.
24955         (read_mapping): Likewise.
24956         (read_rtx_code): Likewise.
24957         (read_nested_rtx): Likewise.
24959 2016-05-10  James Norris  <jnorris@codesourcery.com>
24961         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
24962         if offloading is enabled and -fopenacc or -fopenmp is specified.
24963         (CRTOFFLOADEND): Likewise.
24964         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
24965         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
24967 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
24969         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
24970         gotoff_operand code paths.  Use copy_to_suggested_regs and
24971         expand_simple_binop where appropriate.  Cleanup.
24973 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
24975         PR target/70799
24976         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
24977         integer constants.
24978         (dimode_scalar_chain::vector_const_cost): New.
24979         (dimode_scalar_chain::compute_convert_gain): Handle constants.
24980         (dimode_scalar_chain::convert_op): Likewise.
24981         (dimode_scalar_chain::convert_insn): Likewise.
24983 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
24985         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
24986         unary operation, not a binary one.
24988 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
24990         PR middle-end/70877
24991         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
24992         calls with type casted fndecl.
24994 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
24996         PR tree-optimization/70786
24997         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
24998         * calls.c (initialize_argument_information): Bind bounds
24999         with corresponding args passed by reference.
25001 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
25003         PR target/70927
25004         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
25005         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
25006         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
25007         accordingly.
25009 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25011         PR target/70963
25012         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
25013         code for a zero scale factor.
25014         (vsx_xvcvdpuxds_scale): Likewise.
25016 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
25018         * diagnostic-show-locus.c (layout::layout): Call show_ruler
25019         if show_ruler_p was set on the context.
25020         (layout::show_ruler): New method.
25021         * diagnostic.h (struct diagnostic_context): Add field
25022         "show_ruler_p".
25024 2016-05-10  Richard Biener  <rguenther@suse.de>
25026         PR tree-optimization/71039
25027         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
25028         (chk_uses): New function.
25029         (propagate_with_phi): Verify we can safely replicate the lhs of an
25030         aggregate assignment on all incoming edges.
25032 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
25034         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
25035         Forward declare.
25036         (rx_atomic_sequence): New class.
25037         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
25038         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
25039         non-inline.
25040         (rx_atomic_sequence::rx_atomic_sequence,
25041         rx_atomic_sequence::~rx_atomic_sequence): New functions.
25042         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
25043         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
25044         CTRLREG_INTB): New constants.
25045         (FETCHOP): New code iterator.
25046         (fethcop_name, fetchop_name2): New iterator code attributes.
25047         (QIHI): New mode iterator.
25048         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
25049         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
25050         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
25052 2016-05-10  Martin Liska  <mliska@suse.cz>
25054         * tree-inline.c (remap_dependence_clique): Do not remap
25055         debugging statements.
25057 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25059         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
25060         ("*fixuns_truncdfdi2_z13")
25061         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
25062         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
25063         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
25065 2016-05-10  Richard Biener  <rguenther@suse.de>
25067         PR tree-optimization/70497
25068         PR tree-optimization/28367
25069         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
25070         split out from ...
25071         (visit_reference_op_load): ... here.
25072         (vn_reference_lookup_3): Use it to handle subreg-like accesses
25073         with simplified BIT_FIELD_REFs.
25074         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
25075         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
25076         correctly.
25078 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
25080         * dwarf2out.c (add_abstract_origin_attribute): Adjust
25081         documentation comment.  For BLOCK nodes, add a
25082         DW_AT_abstract_origin attribute that points to the DIE generated
25083         for the origin BLOCK.
25084         (gen_lexical_block_die): Call add_abstract_origin_attribute for
25085         blocks from inlined functions.
25087 2016-05-10  Alan Modra  <amodra@gmail.com>
25089         PR target/70947
25090         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
25091         regrename modifying insns saving lr before __morestack call.
25092         * config/rs6000/rs6000.md (split_stack_return): Similarly for
25093         insns restoring lr after __morestack call.
25095 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
25097         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
25098         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
25099         expanders.
25100         * config/i386/sse.md (vec_interleave_high<mode>,
25101         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
25102         <avx512>_vpermt2var<mode>3_maskz): Likewise.
25104 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
25106         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
25107         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
25108         parallel reassociation for power8 and forward.
25110 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
25112         * config/i386/i386.md (absneg splitters with general regs): Use
25113         general_reg_operand predicate.
25114         (btsq peephole2): Use x86_64_immediate_operand to check if new
25115         value is suitable for immediate operand.  Generate emitted insn
25116         using RTL expressions.
25117         (btcq peephole2): Ditto.
25118         (btrq peephole2): Ditto.  Generate correct immediate operand
25119         for AND masking.
25121 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
25123         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
25124         bitpos.
25126 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
25128         * tree-affine.c (wide_int_constant_multiple_p): Add missing
25129         pointer dereference.
25131 2016-05-09  Richard Biener  <rguenther@suse.de>
25133         PR tree-optimization/70985
25134         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
25135         op0 isn't a gimple register.
25137 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
25139         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
25140         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
25141         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
25142         (i6400_fpu_mult): New cpu units.
25143         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
25144         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
25145         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
25146         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
25147         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
25148         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
25149         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
25150         (i6400_msa_long_float4, i6400_msa_long_float5)
25151         (i6400_msa_long_float8, i6400_msa_fdiv_df)
25152         (i6400_msa_fdiv_sf): New reservations.
25153         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
25154         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
25155         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
25156         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
25157         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
25158         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
25159         (msa_short_cmp, msa_short_float2, msa_short_logic3)
25160         (msa_short_store4, msa_long_load, msa_short_store)
25161         (msa_long_logic, msa_long_float2, msa_long_float4)
25162         (msa_long_float5, msa_long_float8, msa_long_mult)
25163         (msa_long_fdiv, msa_long_div): New reservations.
25165 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
25166             Sameera Deshpande  <sameera.deshpande@imgtec.com>
25167             Matthew Fortune  <matthew.fortune@imgtec.com>
25168             Graham Stott  <graham.stott@imgtec.com>
25169             Chao-ying Fu  <chao-ying.fu@imgtec.com>
25171         * config.gcc: Add MSA header file for mips*-*-* target.
25172         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
25173         (Ubv8i, Urv8):  New constraints.
25174         * config/mips/mips-ftypes.def: Add function types for MSA
25175         builtins.
25176         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
25177         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
25178         * config/mips/mips-msa.md: New file.
25179         * config/mips/mips-protos.h
25180         (mips_split_128bit_const_insns): New prototype.
25181         (mips_msa_idiv_insns): Likewise.
25182         (mips_split_128bit_move): Likewise.
25183         (mips_split_128bit_move_p): Likewise.
25184         (mips_split_msa_copy_d): Likewise.
25185         (mips_split_msa_insert_d): Likewise.
25186         (mips_split_msa_fill_d): Likewise.
25187         (mips_expand_msa_branch): Likewise.
25188         (mips_const_vector_same_val_p): Likewise.
25189         (mips_const_vector_same_bytes_p): Likewise.
25190         (mips_const_vector_same_int_p): Likewise.
25191         (mips_const_vector_shuffle_set_p): Likewise.
25192         (mips_const_vector_bitimm_set_p): Likewise.
25193         (mips_const_vector_bitimm_clr_p): Likewise.
25194         (mips_msa_vec_parallel_const_half): Likewise.
25195         (mips_msa_output_division): Likewise.
25196         (mips_ldst_scaled_shift): Likewise.
25197         (mips_expand_vec_cond_expr): Likewise.
25198         * config/mips/mips.c (enum mips_builtin_type): Add
25199         MIPS_BUILTIN_MSA_TEST_BRANCH.
25200         (mips_gen_const_int_vector_shuffle): New prototype.
25201         (mips_const_vector_bitimm_set_p): New function.
25202         (mips_const_vector_bitimm_clr_p): Likewise.
25203         (mips_const_vector_same_val_p): Likewise.
25204         (mips_const_vector_same_bytes_p): Likewise.
25205         (mips_const_vector_same_int_p): Likewise.
25206         (mips_const_vector_shuffle_set_p): Likewise.
25207         (mips_symbol_insns): Forbid loading symbols via immediate for
25208         MSA.
25209         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
25210         stores.
25211         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
25212         MSA.
25213         (mips_lx_address_p): Add support load indexed address for MSA.
25214         (mips_address_insns): Add calculation of instructions needed for
25215         stores and loads for MSA.
25216         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
25217         CONST_VECTOR for MSA and let it fall through.
25218         (mips_ldst_scaled_shift): New function.
25219         (mips_subword_at_byte): Likewise.
25220         (mips_msa_idiv_insns): Likewise.
25221         (mips_legitimize_move): Validate MSA moves.
25222         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
25223         calculation of costs for MSA division.
25224         (mips_split_move_p): Check if MSA moves need splitting.
25225         (mips_split_move): Split MSA moves if necessary.
25226         (mips_split_128bit_move_p): New function.
25227         (mips_split_128bit_move): Likewise.
25228         (mips_split_msa_copy_d): Likewise.
25229         (mips_split_msa_insert_d): Likewise.
25230         (mips_split_msa_fill_d): Likewise.
25231         (mips_output_move): Handle MSA moves.
25232         (mips_expand_msa_branch): New function.
25233         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
25234         Reinstate 'y' modifier.
25235         (mips_file_start): Add MSA .gnu_attribute.
25236         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
25237         FPRs.
25238         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
25239         (mips_class_max_nregs): Add register size for MSA supported mode.
25240         (mips_cannot_change_mode_class): Allow conversion between MSA
25241         vector modes and TImode.
25242         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
25243         instruction.
25244         (mips_secondary_reload_class): Force MSA loads/stores via memory.
25245         (mips_preferred_simd_mode): Add preffered modes for MSA.
25246         (mips_vector_mode_supported_p): Add MSA supported modes.
25247         (mips_autovectorize_vector_sizes): New function.
25248         (mips_msa_output_division): Likewise.
25249         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
25250         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
25251         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
25252         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
25253         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
25254         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
25255         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
25256         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
25257         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
25258         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
25259         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
25260         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
25261         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
25262         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
25263         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
25264         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
25265         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
25266         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
25267         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
25268         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
25269         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
25270         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
25271         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
25272         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
25273         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
25274         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
25275         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
25276         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
25277         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
25278         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
25279         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
25280         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
25281         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
25282         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
25283         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
25284         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
25285         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
25286         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
25287         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
25288         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
25289         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
25290         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
25291         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
25292         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
25293         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
25294         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
25295         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
25296         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
25297         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
25298         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
25299         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
25300         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
25301         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
25302         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
25303         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
25304         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
25305         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
25306         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
25307         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
25308         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
25309         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
25310         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
25311         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
25312         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
25313         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
25314         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
25315         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
25316         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
25317         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
25318         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
25319         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
25320         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
25321         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
25322         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
25323         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
25324         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
25325         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
25326         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
25327         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
25328         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
25329         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
25330         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
25331         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
25332         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
25333         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
25334         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
25335         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
25336         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
25337         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
25338         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
25339         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
25340         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
25341         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
25342         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
25343         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
25344         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
25345         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
25346         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
25347         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
25348         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
25349         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
25350         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
25351         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
25352         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
25353         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
25354         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
25355         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
25356         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
25357         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
25358         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
25359         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
25360         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
25361         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
25362         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
25363         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
25364         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
25365         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
25366         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
25367         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
25368         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
25369         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
25370         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
25371         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
25372         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
25373         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
25374         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
25375         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
25376         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
25377         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
25378         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
25379         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
25380         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
25381         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
25382         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
25383         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
25384         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
25385         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
25386         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
25387         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
25388         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
25389         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
25390         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
25391         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
25392         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
25393         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
25394         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
25395         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
25396         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
25397         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
25398         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
25399         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
25400         move_v builtins.
25401         (mips_get_builtin_decl_index): New array.
25402         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
25403         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
25404         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
25405         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
25406         (mips_init_builtins): Initialize mips_get_builtin_decl_index
25407         array.
25408         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
25409         hook.
25410         (mips_expand_builtin_insn): Prepare operands for
25411         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
25412         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
25413         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
25414         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
25415         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
25416         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
25417         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
25418         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
25419         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
25420         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
25421         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
25422         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
25423         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
25424         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
25425         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
25426         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
25427         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
25428         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
25429         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
25430         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
25431         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
25432         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
25433         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
25434         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
25435         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
25436         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
25437         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
25438         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
25439         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
25440         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
25441         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
25442         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
25443         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
25444         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
25445         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
25446         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
25447         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
25448         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
25449         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
25450         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
25451         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
25452         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
25453         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
25454         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
25455         These are set implicitly and an error is reported if overridden.
25456         (mips_expand_builtin_msa_test_branch): New function.
25457         (mips_expand_msa_shuffle): Likewise.
25458         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
25459         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
25460         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
25461         (mips_expand_vec_unpack): Add support for MSA.
25462         (mips_expand_vector_init): Likewise.
25463         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
25464         instead of const0_rtx.
25465         (mips_msa_vec_parallel_const_half): New function.
25466         (mips_gen_const_int_vector): Likewise.
25467         (mips_gen_const_int_vector_shuffle): Likewise.
25468         (mips_expand_msa_cmp): Likewise.
25469         (mips_expand_vec_cond_expr): Likewise.
25470         * config/mips/mips.h
25471         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
25472         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
25473         specified.
25474         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
25475         (ISA_HAS_MSA): New macro.
25476         (UNITS_PER_MSA_REG): Likewise.
25477         (BITS_PER_MSA_REG): Likewise.
25478         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
25479         (MSA_REG_FIRST): New macro.
25480         (MSA_REG_LAST): Likewise.
25481         (MSA_REG_NUM): Likewise.
25482         (MSA_REG_P): Likewise.
25483         (MSA_REG_RTX_P): Likewise.
25484         (MSA_SUPPORTED_MODE_P): Likewise.
25485         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
25486         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
25487         * config/mips/mips.md: Include mips-msa.md.
25488         (alu_type): Add simd_add.
25489         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
25490         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
25491         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
25492         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
25493         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
25494         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
25495         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
25496         simd_move, simd_load, simd_store.  Choose "multi" for moves
25497         for "qword_mode".
25498         (qword_mode): New attribute.
25499         (insn_count): Add instruction count for quad moves.
25500         Increase the count for MIPS SIMD division.
25501         (UNITMODE): Add UNITMODEs for vector types.
25502         (addsub): New code iterator.
25503         * config/mips/mips.opt (mmsa): New option.
25504         * config/mips/msa.h: New file.
25505         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
25506         specified.
25507         * config/mips/mti-linux.h: Likewise.
25508         * config/mips/predicates.md
25509         (const_msa_branch_operand): New constraint.
25510         (const_uimm3_operand): Likewise.
25511         (const_uimm4_operand): Likewise.
25512         (const_uimm5_operand): Likewise.
25513         (const_uimm8_operand): Likewise.
25514         (const_imm5_operand): Likewise.
25515         (aq10b_operand): Likewise.
25516         (aq10h_operand): Likewise.
25517         (aq10w_operand): Likewise.
25518         (aq10d_operand): Likewise.
25519         (const_m1_operand): Likewise.
25520         (reg_or_m1_operand): Likewise.
25521         (const_exp_2_operand): Likewise.
25522         (const_exp_4_operand): Likewise.
25523         (const_exp_8_operand): Likewise.
25524         (const_exp_16_operand): Likewise.
25525         (const_vector_same_val_operand): Likewise.
25526         (const_vector_same_simm5_operand): Likewise.
25527         (const_vector_same_uimm5_operand): Likewise.
25528         (const_vector_same_uimm6_operand): Likewise.
25529         (const_vector_same_uimm8_operand): Likewise.
25530         (par_const_vector_shf_set_operand): Likewise.
25531         (reg_or_vector_same_val_operand): Likewise.
25532         (reg_or_vector_same_simm5_operand): Likewise.
25533         (reg_or_vector_same_uimm6_operand): Likewise.
25534         * doc/extend.texi (MIPS SIMD Architecture Functions): New
25535         section.
25536         * doc/invoke.texi (-mmsa): Document new option.
25538 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25540         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
25541         * configure: Regenerate.
25542         * config.in: Regenerate.
25543         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
25544         on -fvtable-verify.
25545         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
25546         (ENDFILE_VTV_SPEC): Define.
25548 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
25550         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
25551         registers in all interrupt handlers if necessary.
25552         (rl78_option_override): Add warning.
25553         (MUST_SAVE_MDUC_REGISTERS): New macro.
25554         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
25555         * config/rl78/rl78.c (check_mduc_usage): New function.
25556         (mduc_regs): New structure to hold MDUC register data.
25557         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
25558         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
25559         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
25560         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
25561         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
25562         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
25564 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
25566         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
25567         (tree-ssa-loop-niter.h): Ditto.
25568         (idx_within_array_bound, ref_within_array_bound): New functions.
25569         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
25570         Factor out check on writable base object to ...
25571         (base_object_writable): ... here.
25573 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25575         * config/arm/arm.md (probe_stack): Add modes to set source
25576         and destination.
25578 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
25580         * regrename.c (base_reg_class_for_rename): New static function.
25581         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
25583 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
25585         * cgraph.c (thunk_adjust): Export.
25586         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
25587         * cgraphunit.c (thunk_adjust): Export.
25588         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
25589         thunks.
25590         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
25591         inlinable.
25592         * tree-inline.c (expand_call_inline): Expand thunks inline.
25594 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
25596         PR target/70998
25597         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
25598         (*sse2_vd_cvtss2sd): Ditto.
25599         * config/i386/i386.md
25600         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
25601         Generate *sse2_vd_cvtsd2ss pattern.
25602         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
25603         Generate *sse2_vd_cvtss2sd pattern.
25605 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
25607         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
25608         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
25609         users.
25611 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
25613         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
25614         * config/sh/sh.c: Define and declare variables on first use throughout
25615         the file.
25616         (current_function_interrupt): Change to bool type.
25617         (frame_insn): Rename to emit_frame_insn and update users.
25618         (push_regs): Use bool for 'interrupt_handler' argument.
25619         (save_schedule_s): Remove.
25620         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
25621         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
25622         targetm.asm_out.unaligned_op.di.
25623         (gen_far_branch): Remove redundant forward declaration.
25624         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
25625         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
25626         (sh_set_return_address, sh_function_ok_for_sibcall,
25627         scavenge_reg): Update comments.
25628         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
25629         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
25630         (sh_attr_renesas_p): Remove unnecessary parentheses.
25631         (branch_dest): Simplify.
25632         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
25633         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
25634         (CUMULATIVE_ARGS): Change macro to typedef.
25635         (current_function_interrupt): Change to bool type.
25636         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
25637         Surround with __cplusplus ifdef.
25638         (sh_compare_op0, sh_compare_op1): Remove.
25639         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
25641 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
25643         * config/arm/arm.md (arch): Add neon.
25644         (arch_enabled): Return yes for arch neon when TARGET_NEON.
25645         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
25646         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
25647         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
25648         attributes for alt renumbering.  Mark alt 3 as non-predicable.
25649         (thumb2_movdf_vfp): Likewise.
25651 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
25653         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
25654         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
25655         (*andqi_1): Add preferred_for_speed attribute to disparage
25656         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
25657         (*<code>qi_1): Ditto.
25658         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
25659         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
25660         (*ashlqi3_1): Ditto.
25661         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
25662         Add preferred_for_size attribute to disparage alternative 0 and
25663         preferred_for_speed attribute to disparage alternative 1 for
25664         TARGET_PARTIAL_REG_STALL targets.
25666 2016-05-07  Tom de Vries  <tom@codesourcery.com>
25668         PR tree-optimization/70956
25669         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
25670         def.
25672 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
25674         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
25675         * config/sh/sh.c (sh_cbranch_distance): Implement it.
25676         * config/sh/sh.md (branch_zero): Remove define_attr.
25677         (define_delay): Disable delay slot if branch distance is one insn.
25679 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
25681         * config/i386/i386.md (LEAMODE): New mode attribute.
25682         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
25683         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
25684         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
25685         operand 2 predicate.
25686         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
25687         (*lea<mode>_general_3): Ditto.
25688         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
25690 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
25692         * genmddump.c (main): Convert argv from char ** to const char **.
25694 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
25696         * coretypes.h (OVERRIDE): New macro.
25697         (FINAL): New macro.
25699 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
25701         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
25702         allow coalescing if the types are compatible.
25704 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
25706         * pass_manager.h (pass_manager::register_pass_name): New method.
25707         (pass_manager::get_pass_by_name): New method.
25708         (pass_manager::create_pass_tab): New method.
25709         (pass_manager::m_name_to_pass_map): New field.
25710         * passes.c (name_to_pass_map): Delete global in favor of field
25711         "m_name_to_pass_map" of pass_manager.
25712         (register_pass_name): Rename from a function to...
25713         (pass_manager::register_pass_name): ...this method, updating
25714         for renaming of global "name_to_pass_map" to field
25715         "m_name_to_pass_map".
25716         (create_pass_tab): Rename from a function to...
25717         (pass_manager::create_pass_tab): ...this method, updating
25718         for renaming of global "name_to_pass_map" to field.
25719         (get_pass_by_name): Rename from a function to...
25720         (pass_manager::get_pass_by_name): ...this method.
25721         (enable_disable_pass): Convert use of get_pass_by_name to
25722         a method call, locating the pass_manager singleton.
25724 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
25726         * genattr-common.c (main): Convert argv from char ** to const char **.
25727         * genattr.c (main): Likewise.
25728         * genattrtab.c (main): Likewise.
25729         * genautomata.c (initiate_automaton_gen): Likewise.
25730         (main): Likewise.
25731         * gencodes.c (main): Likewise.
25732         * genconditions.c (main): Likewise.
25733         * genconfig.c (main): Likewise.
25734         * genconstants.c (main): Likewise.
25735         * genemit.c (main): Likewise.
25736         * genenums.c (main): Likewise.
25737         * genextract.c (main): Likewise.
25738         * genflags.c (main): Likewise.
25739         * genmddeps.c (main): Likewise.
25740         * genopinit.c (main): Likewise.
25741         * genoutput.c (main): Likewise.
25742         * genpeep.c (main): Likewise.
25743         * genpreds.c (main): Likewise.
25744         * genrecog.c (main): Likewise.
25745         * gensupport.c (init_rtx_reader_args_cb): Likewise.
25746         (init_rtx_reader_args): Likewise.
25747         * gensupport.h (init_rtx_reader_args_cb): Likewise.
25748         (init_rtx_reader_args): Likewise.
25749         * gentarget-def.c (main): Likewise.
25750         * read-md.c (read_md_files): Likewise.
25751         * read-md.h (read_md_files): Likewise.
25753 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
25755         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
25756         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
25757         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
25758         Remove unused predicate.
25759         (register_and_not_fp_reg_operand): Ditto.
25761 2016-05-06  Martin Liska  <mliska@suse.cz>
25763         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
25764         instead of vec as the vector is local to the function.
25766 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
25768         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
25769         avx512bw alternative.
25771         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
25772         before the ashr<mode>3 pattern.
25774         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
25775         v instead of x in vex or maybe_vex alternatives, use
25776         maybe_evex instead of vex in prefix.
25778         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
25779         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
25780         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
25781         in vex or maybe_vex alternatives, use maybe_evex instead of vex
25782         in prefix.
25784         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
25785         v instead of x in vex or maybe_vex alternatives, use
25786         maybe_evex instead of vex in prefix.
25788         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
25789         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
25790         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
25791         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
25792         alternatives, use maybe_evex instead of vex in prefix.
25794         * config/i386/sse.md (vec_interleave_lowv4sf,
25795         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
25796         v instead of x in vex or maybe_vex alternatives, use
25797         maybe_evex instead of vex in prefix.
25799         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
25800         v instead of x in vex or maybe_vex alternatives, use
25801         maybe_evex instead of vex in prefix.
25803         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
25804         v constraint instead of x.
25806 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
25808         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
25809         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
25810         equality first.
25812 2016-05-06  Richard Biener  <rguenther@suse.de>
25814         PR tree-optimization/70948
25815         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
25816         Properly clobber all fields of va_list for __builtin_va_start.
25818 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
25820         PR debug/70935
25821         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
25822         loop latch destination.
25824 2016-05-06  Martin Liska  <mliska@suse.cz>
25826         * tree-ssa-uninit.c: Apply manual changes
25827         to the GNU coding style.
25828         (prune_uninit_phi_opnds): Rename from
25829         prune_uninit_phi_opnds_in_unrealizable_paths.
25831 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
25833         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
25834         mspace): Remove deprecated options.
25835         * doc/invoke.texi (SH options): Remove -mspace.
25837 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
25839         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
25841 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
25843         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
25844         corresponding combine split pattern.
25846 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
25848         PR target/58219
25849         * config/sh/predicates.md (long_displacement_mem_operand): New.
25850         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
25851         Add movi20, movi20s alternatives.  Adjust length attribute for
25852         alternatives.
25853         (movsi_ie): Allow for any FPU.  Adjust length attribute for
25854         alternatives.
25855         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
25856         attribute for alternatives.
25857         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
25858         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
25859         length attribute for alternatives.
25861 2016-05-06  Richard Biener  <rguenther@suse.de>
25863         PR tree-optimization/70960
25864         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
25866 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
25868         PR target/52933
25869         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
25870         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
25872 2016-05-06  Marek Polacek  <polacek@redhat.com>
25874         PR sanitizer/70875
25875         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
25877 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
25879         PR target/54089
25880         * config/sh/sh.md (*rotcr): Add another variant.
25882 2016-05-06  Richard Biener  <rguenther@suse.de>
25884         PR middle-end/70931
25885         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
25887 2016-05-06  Richard Biener  <rguenther@suse.de>
25889         PR middle-end/70941
25890         * fold-const.c (split_tree): Always convert to the original type
25891         before negating.
25893 2016-05-06  Richard Biener  <rguenther@suse.de>
25895         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
25896         (fwprop_addr): Likewise.
25898 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
25900         PR target/70873
25901         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
25902         New prototype.
25903         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
25904         * config/i386/i386.md (push mem splitter): Use find_constant_src in
25905         the splitter condition.
25906         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
25907         the splitter condition.
25908         (FP float_extend load splitter): Ditto.
25910 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
25912         * config/i386/i386.md (peehole2 patterns): Change true_regnum
25913         to REGNO in all peephole2 patterns.
25914         (post-reload splitters): Change true_regnum to REGNO in
25915         post-reload splitters.
25916         (zero_extend splitters): Use general_reg_operand and
25917         nonimmediate_gr_operand predicates.
25919 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
25921         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
25922         v constraint instead of x.
25924 2016-05-05  Alan Modra  <amodra@gmail.com>
25926         PR target/68662
25927         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
25928         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
25929         TARGET_NO_FP_IN_TOC for -mrelocatable.
25930         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
25931         TARGET_RELOCATABLE test.
25932         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
25933         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
25934         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
25935         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
25936         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
25937         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
25938         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
25939         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
25940         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
25941         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
25942         Likewise.
25943         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
25944         (rs6000_stack_info): Likewise.
25945         (rs6000_elf_asm_out_constructor): Likewise.
25946         (rs6000_elf_asm_out_destructor): Likewise.
25947         (rs6000_elf_declare_function_name): Likewise.
25948         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
25949         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
25950         Don't define.
25952 2016-05-05  Alan Modra  <amodra@gmail.com>
25954         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
25956 2016-05-05  Alan Modra  <amodra@gmail.com>
25958         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
25959         out-of-line gpr restore for one or two regs if that would add
25960         a save of lr.
25962 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
25964         PR target/70873
25965         * config/i386/i386.md
25966         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
25967         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
25968         as operand 0 predicate.
25969         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
25970         Ditto.
25971         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
25972         Ditto.  Emit the pattern using RTX.
25974         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
25975         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
25976         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
25977         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
25978         Ditto.
25979         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
25980         sse_reg_operand as operand 0 predicate.
25982         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
25983         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
25984         instead of gen_rtx_REG.
25985         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
25986         Ditto.
25988 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
25990         * function.c (emit_use_return_register_into_block): Delete.
25991         (gen_return_pattern): Delete.
25992         (emit_return_into_block): Delete.
25993         (active_insn_between): Delete.
25994         (convert_jumps_to_returns): Delete.
25995         (emit_return_for_exit): Delete.
25996         (thread_prologue_and_epilogue_insns): Delete all code dealing with
25997         simple_return for shrink-wrapped blocks.
25998         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
25999         end of blocks that need one.
26000         (get_unconverted_simple_return): Delete.
26001         (convert_to_simple_return): Delete.
26002         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
26003         (convert_to_simple_return): Ditto.
26005 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
26007         * cfgcleanup.c (bb_is_just_return): New function.
26008         (try_optimize_cfg): Simplify jumps to return, branches to return,
26009         and branches around return.
26011 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
26013         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
26014         branch to a return.
26016 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
26018         PR c++/70906
26019         PR c++/70933
26020         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
26021         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
26022         assert flags & OEP_HASH_CHECK, instead of asserting it
26023         never happens.  Handle TARGET_EXPR.
26024         * fold-const.c (operand_equal_p): For hash verification,
26025         or in OEP_HASH_CHECK into flags.
26027 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
26029         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
26030         comment.
26031         (compute_samebase_partition_bases): Fix typo.
26033 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
26035         * config/i386/sse.md (vec_interleave_highv8sf,
26036         vec_interleave_lowv8sf, vec_interleave_highv4df,
26037         vec_interleave_lowv4df): Remove constraints from expanders.
26039         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
26041 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
26043         * tree-inline.c (expand_call_inline): Fix path dealing with
26044         making lhs of call statement undefined.
26046 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
26048         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
26049         Check availability on NODE, too.
26050         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
26051         (cgraph_node::call_for_symbol_and_aliases): Likewise.
26052         (varpool_node::call_for_symbol_and_aliase): Likewise.
26053         * ipa-pure-const.c (add_new_function): Analyze all bodies.
26054         (propagate_pure_const): Propagate across interposable functions, too.
26055         (skip_function_for_local_pure_const): Do not skip interposable bodies
26056         with aliases.
26057         (pass_local_pure_const::execute): Update.
26059 2016-05-04  Marek Polacek  <polacek@redhat.com>
26061         * doc/invoke.texi: Document -Wdangling-else.
26063 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
26065         * config.gcc: Error out when conflicting multilib is detected.  Do not
26066         loop over multilibs since no combination is legal.
26068 2016-05-04  Alan Modra  <amodra@gmail.com>
26070         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
26071         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
26072         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
26073         Align .toc.
26075 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
26077         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
26078         Clean up p5600 comments.
26080 2016-05-04  Richard Biener  <rguenther@suse.de>
26082         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
26083         constructor simplifications.
26084         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
26086 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
26088         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
26089         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
26090         result.set_rtx is null instead of aborting.
26091         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
26092         Always enable.
26093         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
26094         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
26095         *mov<mode>_store_postinc): New patterns.
26097 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
26099         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
26100         as commutative.  Check both conversions are NOP.
26101         ((A & B) OP (C & B)): Remove.
26103 2016-05-04  Alan Modra  <amodra@gmail.com>
26105         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
26107 2016-05-04  Alan Modra  <amodra@gmail.com>
26109         PR target/70866
26110         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
26111         when cr2,3,4 are all fixed regs.
26113 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
26115         PR rtl-optimization/57193
26116         * opts.c (default_options_table): Revert OPT_frename_registers change.
26117         * doc/invoke.texi (-frename-registers, -O2): Likewise.
26119 2016-05-03  Martin Sebor  <msebor@redhat.com>
26121         PR c++/66561
26122         * builtins.c (fold_builtin_FILE): New function.
26123         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
26124         (fold_builtin_0): Call them.
26125         * gimplify.c (gimplify_call_expr): Remove the handling of
26126         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
26128         PR c++/66561
26129         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
26130         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
26131         constants.
26133         PR c++/66639
26134         * doc/extend.texi (Function Names as Strings): Update __func__,
26135         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
26136         constants.
26138 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
26139             Richard Biener  <rguenther@suse.de>
26141         PR tree-optimization/70916
26142         * tree-if-conv.c: Include cfganal.h.
26143         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
26144         and remove_fake_exit_edges around the optimization pass.
26146 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
26148         * cgraph.c (symbol_table::create_edge): Set inline_failed.
26149         (cgraph_edge::make_direct): Likewise.
26150         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
26151         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
26152         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
26153         (CIF_THUNK): New code.
26154         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
26155         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
26156         (compute_inline_parameters): Set inline_failed for thunks.
26157         (inline_analyze_function): Cleanup.
26158         * ipa-inline.c (can_inline_edge_p): Do not deal with
26159         call_stmt_cannot_inline_p.
26160         (can_early_inline_edge_p): Likewise.
26161         (early_inliner): Initialize inline_failed.
26162         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
26164 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
26166         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
26167         from nonimm_ssenomem_operand.
26168         (nonimm_ssenomem_operand): New predicate.
26169         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
26170         as operand 0 predicate.
26171         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
26172         Disable unsupported alternatives using "enabled" attribute.
26173         Use register_ssemem_operand as operand 0 predicate.
26174         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
26176 2016-05-03  Marek Polacek  <polacek@redhat.com>
26178         PR c/70859
26179         * input.c (expansion_point_location): New function.
26180         * input.h (expansion_point_location): Declare.
26182 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
26184         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
26185         occurence with frame_offset_ ones.
26187 2016-05-03  Alan Modra  <amodra@gmail.com>
26189         PR rtl-optimization/70890
26190         * ira.c (combine_and_move_insns): When moving def_insn, remove
26191         equivs on use_insn.
26193 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
26195         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
26196         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
26197         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
26198         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
26200 2016-05-03  Alan Modra  <amodra@gmail.com>
26202         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
26203         for SAVE_MULTIPLE/STORE_MULTIPLE.
26205 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
26207         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
26208         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
26210 2016-05-03  Richard Biener  <rguenther@suse.de>
26212         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
26213         default true.
26214         (gimplify_arg): Likewise.
26215         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
26216         re-writing the result to a decl if required.
26217         (internal_get_tmp_var): Add allow_ssa parameter
26218         and override into_ssa with it.
26219         (get_formal_tmp_var): Adjust.
26220         (get_initialized_tmp_var): Add allow_ssa parameter.
26221         (gimplify_arg): Add allow_ssa parameter and avoid generating
26222         SSA names for the result false.
26223         (gimplify_call_expr): If the call may return twice do not
26224         gimplify parameters into SSA.
26225         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
26226         (gimplify_modify_expr): Adjust assert.  For noreturn calls
26227         with a SSA name LHS adjust its def.
26228         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
26229         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
26230         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
26231         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
26232         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
26233         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
26234         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
26235         (optimize_target_teams): Do not allow SSA names for clause operands.
26236         (gimplify_expr): Likewise for where we mark the result addressable.
26237         * passes.def (pass_init_datastructures): Remove.
26238         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
26239         (rewrite_stmt): Likewise.
26240         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
26241         (replace_locals_op): Replace SSA names.
26242         (copy_gimple_seq_and_replace_locals): Init src_cfun.
26243         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
26244         * cgraph.c (release_function_body): Free CFG annotations only
26245         when we have a CFG.  Simplify.
26246         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
26247         force_gimple_operand instead of get_initialized_tmp_var.
26248         * tree-pass.h (make_pass_init_datastructures): Remove.
26249         * tree-ssa.c (execute_init_datastructures): Remove.
26250         (pass_data_init_datastructures): Likewise.
26251         (class pass_init_datastructures): Likewise.
26252         (make_pass_init_datastructures): Likewise.
26253         * omp-low.c (create_omp_child_function): Init SSA data structures.
26254         (grid_expand_target_grid_body): Likewise.
26255         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
26256         name before adding it to names_to_release.
26257         (remove_bb): Always release SSA defs.
26258         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
26259         before dereferencing it.
26260         * cgraphunit.c (init_lowered_empty_function): Always
26261         int SSA data structures.
26262         * tree-ssanames.c (release_defs): Remove assert that we are in
26263         SSA form.
26264         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
26266 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
26267             Uros Bizjak  <ubizjak@gmail.com>
26269         PR rtl-optimization/70467
26270         * config/i386/predicates.md (x86_64_hilo_int_operand,
26271         x86_64_hilo_general_operand): New predicates.
26272         * config/i386/constraints.md (Wd): New constraint.
26273         * config/i386/i386.md (mode attr di): Use Wd instead of e.
26274         (general_hilo_operand): New mode attr.
26275         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
26276         instead of <general_operand>.
26277         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
26278         x86_64_hilo_general_operand instead of <general_operand>.
26280 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
26282         PR tree-optimization/70916
26283         * tree-if-conv.c (constant_or_ssa_name): Removed.
26284         (fold_build_cond_expr): Use is_gimple_val instead of
26285         constant_or_ssa_name.
26287         PR tree-optimization/70916
26288         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
26289         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
26291         PR target/49244
26292         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
26293         (optimize_atomic_bit_test_and): New function.
26294         (pass_fold_builtins::execute): Use it.
26295         * optabs.def (atomic_bit_test_and_set_optab,
26296         atomic_bit_test_and_complement_optab,
26297         atomic_bit_test_and_reset_optab): New optabs.
26298         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
26299         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
26300         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
26301         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
26302         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
26303         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
26304         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
26305         * doc/md.texi (atomic_bit_test_and_set@var{mode},
26306         atomic_bit_test_and_complement@var{mode},
26307         atomic_bit_test_and_reset@var{mode}): Document.
26308         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
26309         atomic_bit_test_and_complement<mode>,
26310         atomic_bit_test_and_reset<mode>): New expanders.
26311         (atomic_bit_test_and_set<mode>_1,
26312         atomic_bit_test_and_complement<mode>_1,
26313         atomic_bit_test_and_reset<mode>_1): New insns.
26315 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
26317         PR rtl-optimization/70687
26318         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
26319         instead of unsigned HOST_WIDE_INT.
26321 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
26323         PR rtl-optimization/44281
26324         * hard-reg-set.h (struct target_hard_regs): New field
26325         x_fixed_nonglobal_reg_set.
26326         (fixed_nonglobal_reg_set): New macro.
26327         * reginfo.c (init_reg_sets_1): Initialize it.
26328         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
26329         of fixed_reg_set.
26330         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
26332 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
26334         PR tree-optimization/56541
26335         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
26336         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
26337         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
26338         (any_complicated_phi): new static variable.
26339         (aggressive_if_conv): delete.
26340         (if_convertible_phi_p): support phis with more than two arguments.
26341         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
26342         critical pred edges.
26343         (ifcvt_split_critical_edges): support phis with more than two
26344         arguments by checking new parameter.  only split critical edges
26345         if needed.
26346         (tree_if_conversion): handle simd pragma marked loop using new
26347         local variable aggressive_if_conv.  check any_complicated_phi.
26349 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
26351         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
26352         before using it.
26354 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
26356         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
26357         cbase.
26359 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
26361         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
26362         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
26363         define_insn_and_split.
26364         (mulsi3_i): New define_insn_and_split.
26365         (mulsi3_call): Convert to define_insn.
26366         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
26367         Remove constraints.
26369 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
26371         * machmode.h (mode_complex): Add support to give the complex mode
26372         for a given mode.
26373         (GET_MODE_COMPLEX_MODE): Likewise.
26374         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
26375         stored by build_complex_type and gfc_build_complex_type instead of
26376         trying to figure out the appropriate mode based on the size. Raise
26377         an assertion error, if the type was not set.
26378         * genmodes.c (struct mode_data): Add field for the complex type of
26379         the given type.
26380         (blank_mode): Likewise.
26381         (make_complex_modes): Remember the complex mode created in the
26382         base type.
26383         (emit_mode_complex): Write out the mode_complex array to map a
26384         type mode to the complex version.
26385         (emit_insn_modes_c): Likewise.
26386         * tree.c (build_complex_type): Set the complex type to use before
26387         calling layout_type.
26388         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
26389         support for __float128 complex datatypes.
26390         (rs6000_hard_regno_mode_ok): Likewise.
26391         (rs6000_setup_reg_addr_masks): Likewise.
26392         (rs6000_complex_function_value): Likewise.
26393         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
26394         __float128 and __ibm128 complex.
26395         (FLOAT128_IBM_P): Likewise.
26396         (ALTIVEC_ARG_MAX_RETURN): Likewise.
26397         * doc/extend.texi (Additional Floating Types): Document that
26398         -mfloat128 must be used to enable __float128.  Document complex
26399         __float128 and __ibm128 support.
26401 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
26403         PR target/49244
26404         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
26405         char/short arguments promoted to int because of promote_prototypes.
26407 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
26409         * config/i386/predicates.md (register_ssemem_operand): New predicate.
26410         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
26411         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
26412         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
26413         alternatives using "enabled" attribute.  Use register_ssemem_operand
26414         as operand 1 predicate.
26415         (*cmpi<unord>xf_i387): Split XFmode pattern from
26416         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
26417         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
26418         *absneg<mode>2_i387.  Disable unsupported alternatives using
26419         "enabled" attribute.
26420         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
26422 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
26424         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
26425         marker.
26426         (oacc_loop_process): Check mask for loop termination.
26428 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
26430         * cif-code.def (CIF_THUNK): Add.
26431         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
26432         accidental change.
26434 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
26436         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
26437         (dump_inline_summary): Dump it.
26438         (fp_expression_p): New predicate.
26439         (estimate_function_body_sizes): Use it.
26440         (inline_merge_summary): Merge fp_expressions.
26441         (inline_read_section): Read fp_expressions.
26442         (inline_write_summary): Write fp_expressions.
26443         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
26444         codegen boundary if either caller or callee is !fp_expressions.
26445         * ipa-inline.h (inline_summary): Add fp_expressions.
26446         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
26447         to fp_expressions be sure the fp generation flags are updated.
26449 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
26451         PR rtl-optimization/70467
26452         * cse.c (cse_insn): Handle no-op MEM moves after folding.
26454         PR rtl-optimization/70467
26455         * ipa-pure-const.c (check_call): Handle internal calls even in
26456         ipa mode like in local mode.
26458 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
26460         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
26462 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
26464         * match.pd (X u< X, X u> X): New transformations.
26466 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
26468         * flag-types.h (enum warn_strict_overflow_code): Move ...
26469         * coretypes.h: ... here.
26470         * fold-const.h (fold_overflow_warning): Declare.
26471         * fold-const.c (fold_overflow_warning): Make non-static.
26472         (fold_comparison): Move the transformation of X +- C1 CMP C2
26473         into X CMP C2 -+ C1 ...
26474         * match.pd: ... here.
26475         * gimple-fold.c (fold_stmt_1): Protect with
26476         fold_defer_overflow_warnings.
26478 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
26480         * omp-low.c (struct oacc_loop): Add 'inner' field.
26481         (new_oacc_loop_raw): Initialize it to zero.
26482         (oacc_loop_fixed_partitions): Initialize it.
26483         (oacc_loop_auto_partitions): Partition outermost loop to outermost
26484         available partitioning.
26486 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
26488         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
26489         register_operand.
26490         (umulsidi3): Likewise.
26491         (indirect_jump): Fix jump instruction assembly patterns.
26493 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
26495         PR target/70860
26496         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
26497         (nvptx_function_value): Assert non-NULL cfun.
26499 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
26501         PR rtl-optimization/70886
26502         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
26504         * cselib.h (rtx_equal_for_cselib_1): Declare.
26505         (rtx_equal_for_cselib_p: New inline function.
26506         * cselib.c (rtx_equal_for_cselib_p): Delete.
26507         (rtx_equal_for_cselib_1): Make public.
26509 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
26511         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
26512         (register_mixssei387nonimm_operand): Remove predicate.
26513         * config/i386/i386.md (*fop_<mode>_comm): Merge from
26514         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
26515         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
26516         for TARGET_MIX_SSE_I387 alternatives.
26517         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
26518         Disable unsupported alternatives using "enabled" attribute.  Use
26519         nonimm_ssenomem_operand as operand 1 predicate.  Also check
26520         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
26522 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
26524         * tree.c (cst_and_fits_in_hwi): Simplify.
26526 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
26528         * tree.h (wi::to_wide): New function.
26529         * expr.c (expand_expr_real_1): Use wi::to_wide.
26530         * fold-const.c (int_const_binop_1): Likewise.
26531         (extract_muldiv_1): Likewise.
26533 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
26535         * wide-int.h: Update offset_int and widest_int documentation.
26536         (WI_SIGNED_SHIFT_RESULT): New macro.
26537         (wi::binary_shift): Define signed_shift_result_type for
26538         shifts on offset_int- and widest_int-like types.
26539         (generic_wide_int): Support <<= and >>= if << and >> are supported.
26540         * tree.h (int_bit_position): Use shift operators instead of wi::
26541          shifts.
26542         * alias.c (adjust_offset_for_component_ref): Likewise.
26543         * expr.c (get_inner_reference): Likewise.
26544         * fold-const.c (fold_comparison): Likewise.
26545         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
26546         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
26547         * tree-dfa.c (get_ref_base_and_extent): Likewise.
26548         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
26549         (stmt_kills_ref_p): Likewise.
26550         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
26551         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
26552         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
26553         (ao_ref_init_from_vn_reference): Likewise.
26555 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
26557         * wide-int.h: Update offset_int and widest_int documentation.
26558         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
26559         (wi::binary_traits): Allow ordered comparisons between offset_int and
26560         offset_int, between widest_int and widest_int, and between either
26561         of these types and basic C types.
26562         (operator <, <=, >, >=): Define for the same combinations.
26563         * tree.h (tree_int_cst_lt): Use comparison operators instead
26564         of wi:: comparisons.
26565         (tree_int_cst_le): Likewise.
26566         * gimple-fold.c (fold_array_ctor_reference): Likewise.
26567         (fold_nonarray_ctor_reference): Likewise.
26568         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
26569         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
26570         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
26571         * tree-sra.c (completely_scalarize): Likewise.
26572         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
26573         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
26574         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
26575         (check_for_binary_op_overflow): Likewise.
26576         (search_for_addr_array): Likewise.
26577         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
26579 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
26581         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
26582         (arc_save_restore): Likewise.
26583         (arc_dwarf_register_span): Likewise.
26584         (arc_output_pic_addr_const): Initialize suffix variable.
26586 2016-05-02  Martin Liska  <mliska@suse.cz>
26588         * symbol-summary.h (function_summary::function_summary):
26589         Remove checking assert for all cgraph nodes.
26590         (function_summary::get): Check summary_uid.
26591         (symtab_insertion): Check summary_uid.
26593 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
26595         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
26596         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
26597         bmaskn instruction.
26598         (arc_dwarf_register_span): Remove enum keyword.
26599         (compact_memory_operand_p): New function.
26600         * config/arc/arc.h (reg_class): Add code density register classes.
26601         (REG_CLASS_NAMES): Likewise.
26602         (REG_CLASS_CONTENTS): Likewise.
26603         * config/arc/arc.md (*movqi_insn): Add code density instructions.
26604         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
26605         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
26606         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
26607         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
26608         constraints.
26609         (h, Rcd, Rsd, Rzd): New register constraints.
26610         (T): Use compact_memory_operand_p function.
26611         * config/arc/predicates.md (compact_load_memory_operand): Remove.
26613 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
26615         * config/sh/sh.md (*negnegt, *movtt): Remove.
26617 2016-05-02  Marek Polacek  <polacek@redhat.com>
26618             Tom de Vries  <tom@codesourcery.com>
26620         PR tree-optimization/70700
26621         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
26622         bigger than FIRST_REF_NODE.
26624 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
26626         PR target/52898
26627         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
26628         TARGET_CMPEQDI_T.
26629         (prepare_cbranch_operands): Don't use scratch register.  Assume that
26630         function is used when pseudos can be created.
26631         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
26632         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
26633         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
26634         define_expand.  Allow it only when pseudos can be created.
26635         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
26637 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
26639         * config/i386/constraints.md (BC): Only allow -1 operands.
26640         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
26641         Add "enabled" attribute.  Update XI mode attribute calculation.
26642         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
26643         (*movoi_internal_avx): Update XI mode attribute calculation.
26644         (*movti_internal): Ditto.
26646 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
26648         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
26649         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
26651 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
26653         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
26654         statement on instruction code.  Remove trailing spaces.
26655         (altivec_expand_stv_builtin): Likewise.
26657 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
26659         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
26660         (TARGET_FPU_DOUBLE): Simplify.
26661         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
26662         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
26663         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
26664         with 'TARGET_FPU_DOUBLE'.
26665         * config/sh/sh.md: Likewise.
26667 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
26669         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
26670         SH_DIV_STR_FOR_SIZE): Remove.
26671         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
26672         SH_DIV_STR_FOR_SIZE): Remove.
26674 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
26676         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
26677         logical_reg_operand): Delete.
26678         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
26679         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
26680         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
26681         match_operand and match_test.
26682         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
26683         variables on their first use.  Return bool values.
26684         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
26685         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
26686         arith_reg_operand for input operand.  Remove empty constraints.
26687         (xorsi3): Delete.
26688         (*xorsi3_compact): Rename to xorsi3.
26689         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
26690         (*zero_extend<mode>si2_disp_mem): Update comment.
26691         (mov_nop): Delete.
26693 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
26695         * config/sh/t-sh: Remove SH5 support.
26696         * config.gcc: Likewise.
26697         * configure: Likewise.
26699 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26701         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
26703 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
26705         * config/sh/sh.c (register_sh_passes, sh_option_override,
26706         sh_print_operand, prepare_move_operands,
26707         sh_can_follow_jump): Remove TARGET_SH1 checks.
26708         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
26709         PROMOTE_MODE): Likewise.
26710         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
26711         movdi): Likewise.
26713 2016-04-30  Alan Modra  <amodra@gmail.com>
26715         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
26716         restoring when fixed_reg_p, but allow out-of-line or stmw save.
26717         Check for user regs later to avoid unnecessary looping over regs.
26718         Merge user reg check with non-saved reg check.  Don't force
26719         inline VR restore when static chain used.
26720         (rs6000_frame_related): Omit eh_frame info for user regs when
26721         saving.
26722         (fixed_regs_p): Delete.
26724 2016-04-30  Alan Modra  <amodra@gmail.com>
26726         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
26727         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
26728         Update all uses.
26730 2016-04-30  Alan Modra  <amodra@gmail.com>
26732         PR target/69645
26733         * config/rs6000/rs6000.c (fixed_reg_p): New function.
26734         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
26735         Update all uses.
26737 2016-04-30  Alan Modra  <amodra@gmail.com>
26739         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
26740         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
26741         flag_pic test for Darwin.
26743 2016-04-30  Alan Modra  <amodra@gmail.com>
26745         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
26746         throw_calls_crossed.
26747         (REG_FREQ_CALLS_CROSSED): Delete.
26748         (REG_N_THROWING_CALLS_CROSSED): Delete.
26749         * regstat.c (regstat_bb_compute_ri): Don't calculate
26750         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
26751         (dump_reg_info): Don't print call cross frequency.
26752         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
26753         and REG_N_THROWING_CALLS_CROSSED.
26755 2016-04-30  Alan Modra  <amodra@gmail.com>
26757         * regs.h (struct reg_info_t): Delete live_length.
26758         (REG_LIVE_LENGTH): Delete macro.
26759         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
26760         local_live, local_processed and local_live_last_luid params.
26761         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
26762         Formatting fixes.
26763         (regstat_compute_ri): Adjust for above.  Don't set
26764         REG_LIVE_LENGTH.
26765         (dump_reg_info): Don't print live length.
26766         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
26767         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
26768         Localize loop_depth var.
26770 2016-04-30  Alan Modra  <amodra@gmail.com>
26772         * ira.c (enum valid_equiv): New.
26773         (validate_equiv_mem): Return enum.
26774         (update_equiv_mem): Create replacement in more cases.
26775         (add_store_equivs): Update validate_equiv_mem call.
26777 2016-04-30  Alan Modra  <amodra@gmail.com>
26779         * ira.c (combine_and_move_insns): Rather than scanning insns,
26780         use DF infrastucture to find use and def insns.
26782 2016-04-30  Alan Modra  <amodra@gmail.com>
26784         ira.c (combine_and_move_insns): Move invariant conditions..
26785         (ira.c): ..to here.  Call combine_and_move_insns before
26786         add_store_equivs.  Call grow_reg_equivs later.  Allocate
26787         req_equiv later using max_reg_num() rather than global max_regno.
26788         (contains_replace_regs): Delete.
26789         (add_store_equivs): Remove contains_replace_regs test.
26791 2016-04-30  Alan Modra  <amodra@gmail.com>
26793         * ira.c (struct equiv_mem_data): New.
26794         (equiv_mem, equiv_mem_modified): Delete static vars.
26795         (validate_equiv_mem_from_store): Use "data" param to communicate..
26796         (validate_equiv_mem): ..from here.
26798 2016-04-30  Alan Modra  <amodra@gmail.com>
26800         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
26801         split out from..
26802         (update_reg_equivs): ..here.  Move allocation and freeing of
26803         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
26804         end_alias_analysis to..
26805         (ira): ..here.
26807 2016-04-30  Alan Modra  <amodra@gmail.com>
26809         * ira.c (pdx_subregs): Delete.
26810         (struct equivalence): Add pdx_subregs field.
26811         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
26812         pdx_subregs access.
26813         (update_equiv_regs): Don't create or free pdx_subregs.  Update
26814         pdx_subregs access.
26816 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
26818         * config/rs6000/altivec.h: Change definitions of vec_xl and
26819         vec_xst.
26820         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
26821         (LD_ELEMREV_V2DI): New.
26822         (LD_ELEMREV_V4SF): New.
26823         (LD_ELEMREV_V4SI): New.
26824         (LD_ELEMREV_V8HI): New.
26825         (LD_ELEMREV_V16QI): New.
26826         (ST_ELEMREV_V2DF): New.
26827         (ST_ELEMREV_V2DI): New.
26828         (ST_ELEMREV_V4SF): New.
26829         (ST_ELEMREV_V4SI): New.
26830         (ST_ELEMREV_V8HI): New.
26831         (ST_ELEMREV_V16QI): New.
26832         (XL): New.
26833         (XST): New.
26834         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
26835         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
26836         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
26837         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
26838         (altivec_expand_builtin): Add handling for
26839         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
26840         (rs6000_invalid_builtin): Add error-checking for
26841         RS6000_BTM_P9_VECTOR.
26842         (altivec_init_builtins): Define builtins used to implement vec_xl
26843         and vec_xst.
26844         (rs6000_builtin_mask_names): Define power9-vector.
26845         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
26846         (RS6000_BTM_P9_VECTOR): Define.
26847         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
26848         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
26849         (vsx_ld_elemrev_v2df): Likewise.
26850         (vsx_ld_elemrev_v4sf): Likewise.
26851         (vsx_ld_elemrev_v4si): Likewise.
26852         (vsx_ld_elemrev_v8hi): Likewise.
26853         (vsx_ld_elemrev_v16qi): Likewise.
26854         (vsx_st_elemrev_v2df): Likewise.
26855         (vsx_st_elemrev_v2di): Likewise.
26856         (vsx_st_elemrev_v4sf): Likewise.
26857         (vsx_st_elemrev_v4si): Likewise.
26858         (vsx_st_elemrev_v8hi): Likewise.
26859         (vsx_st_elemrev_v16qi): Likewise.
26860         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
26861         grammar.
26863 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
26865         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
26866         out into ...
26867         (simplify_control_stmt_condition_1): ... here.  Recurse into
26868         BIT_AND_EXPRs and BIT_IOR_EXPRs.
26870 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
26872         PR target/69810
26873         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
26874         (zero_extendqi<mode>2_dot): Revert earlier conversion from
26875         define_insn_and_split to define_insn.
26876         (zero_extendqi<mode>2_dot2): Same.
26877         (extendqi<mode>2_dot): Same.
26878         (extendqi<mode>2_dot2): Same.
26880 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
26882         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
26883         (probe_stack): New expander.
26884         (probe_stack_<mode>): New insn pattern.
26886 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
26888         * config/i386/i386.md
26889         (operations with memory inputs setting flags peephole2):
26890         Remove uneeded REG_P checks.  Cleanup pattern generation.
26892 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
26894         * tree-vect-loop.c (vect_transform_loop): Fix
26895         nb_iterations_upper_bound computation for vectorized loop.
26897 2016-04-29  Marek Polacek  <polacek@redhat.com>
26898             Jakub Jelinek  <jakub@redhat.com>
26900         PR sanitizer/70342
26901         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
26902         TARGET_EXPR_SLOT as a base.
26904 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
26906         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
26907         with 'rCm2' constraints to limit possible immediate size.
26908         (*load_zeroextendqisi_update): Likewise.
26909         (*load_signextendqisi_update): Likewise.
26910         (*loadhi_update): Likewise.
26911         (*load_zeroextendhisi_update): Likewise.
26912         (*load_signextendhisi_update): Likewise.
26913         (*loadsi_update): Likewise.
26914         (*loadsf_update): Likewise.
26916 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
26918         * config/i386/predicates.md (constm1_operand): Fix comparison.
26920 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
26922         * testsuite/gcc.target/arc/ieee_eq.c: New test.
26924 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
26926         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
26927         remaining SH5 related settings.
26928         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
26929         shmedia_prepare_call_address): Delete.
26930         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
26931         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
26932         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
26933         UNSUPPORTED_SH2A): Remove m5 checks.
26934         (sh_divide_strategy_e): Remove SH5 division strategies.
26935         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
26936         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
26938 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
26940         * config/s390/s390.c (s390_rtx_costs): Update documentation.
26942 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26944         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
26945         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
26946         Change lder to ldr.
26947         * config/s390/vector.md ("mov<mode>"): Likewise.
26949 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
26951         * config/s390/constraints.md ("U", "W"): Invoke
26952         s390_mem_constraint with "ZR" and "ZT".
26953         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
26954         addresses when using LRA.  Accept also short displacements for S
26955         and T constraints.  Do not check for long displacement target for
26956         S and T constraints.
26957         (s390_mem_constraint): Remove handling of U and W constraints.
26958         * config/s390/s390.md (various patterns): Remove the short
26959         displacement constraints (Q and R) if a long displacement
26960         constraint is present.  Add longdisp as required CPU capability.
26961         * config/s390/vector.md: Likewise.
26962         * config/s390/vx-builtins.md: Likewise.
26964 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
26966         PR target/60040
26967         * reload1.c (reload): Call finish_spills before
26968         restarting reload loop. Skip select_reload_regs
26969         if update_eliminables_and_spill returns true.
26971 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
26973         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
26974         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
26975         (umulhisi3_imm): Update predicates and constraint letters.
26976         (umulhisi3_reg): Declare instruction as commutative.
26977         * config/arc/constraints.md (J12, J16): New constraints.
26978         * config/arc/predicates.md (short_unsigned_const_operand): New
26979         predicate.
26980         (arc_short_operand): Likewise.
26981         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
26983 2016-04-29  Richard Biener  <rguenther@suse.de>
26985         PR tree-optimization/13962
26986         PR tree-optimization/65686
26987         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
26988         * tree-ssa-alias.c (ptrs_compare_unequal): New function
26989         using PTA to compare pointers.
26990         * match.pd: Add pattern for pointer equality compare simplification
26991         using ptrs_compare_unequal.
26993 2016-04-29  Richard Biener  <rguenther@suse.de>
26995         * stor-layout.c (layout_type): Do not build a pointer-to-element
26996         type for arrays.
26998 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
27000         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
27001         Use SWI mode iterator.  Use general_reg_operand predicate.
27002         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
27003         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
27004         predicates.
27006 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
27008         PR middle-end/70843
27009         * fold-const.c (operand_equal_p): Don't verify hash value equality
27010         if arg0 == arg1.
27011         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
27012         and OMP_CLAUSE.
27014 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
27016         PR target/70858
27017         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
27018         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
27019         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
27020         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
27021         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
27023 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
27025         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
27026         to info.  Don't initialize separate fields to 0.  Clean up
27027         formatting a bit.
27029 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
27031         * config/i386/i386.md (peephole2s for operations with memory inputs):
27032         Use SWI mode iterator.
27033         (peephole2s for operations with memory outputs): Ditto.
27034         Do not check for stack checking probe.
27036         (probe_stack): Remove expander.
27038 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
27039             Andrew Burgess  <andrew.burgess@embecosm.com>
27041         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
27042         operands as 32-bits.
27044 2016-04-28  Jason Merrill  <jason@redhat.com>
27046         * gdbinit.in: Skip line-map.h.
27048 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
27049             Andrew Burgess  <andrew.burgess@embecosm.com>
27051         * config/arc/arc.c (arc_conditional_register_usage): Take
27052         TARGET_RRQ_CLASS into account.
27053         (arc_print_operand): Support printing 'p' and 's' operands.
27054         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
27055         as 0.
27056         (TARGET_RRQ_CLASS): Define.
27057         (IS_POWEROF2_OR_0_P): Define.
27058         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
27059         alternatives.
27060         (*tst_movb): New define_insn.
27061         (*tst): Avoid recognition if it could prevent '*tst_movb'
27062         combination; replace c/CnL with c/Chs alternative.
27063         (*tst_bitfield_tst): New define_insn.
27064         (*tst_bitfield_asr): New define_insn.
27065         (*tst_bitfield): New define_insn.
27066         (andsi3_i): Add Rrq variant.
27067         (extzv): New define_expand.
27068         (insv): New define_expand.
27069         (*insv_i): New define_insn.
27070         (*movb): New define_insn.
27071         (*movb_signed): New define_insn.
27072         (*movb_high): New define_insn.
27073         (*movb_high_signed): New define_insn.
27074         (*movb_high_signed + 1): New define_split pattern.
27075         (*mrgb): New define_insn.
27076         (*mrgb + 1): New define_peephole2 pattern.
27077         (*mrgb + 2): New define_peephole2 pattern.
27078         * config/arc/arc.opt (mbitops): New option for nps400, uses
27079         TARGET_NPS_BITOPS_DEFAULT.
27080         * config/arc/constraints.md (q): Make register class conditional.
27081         (Rrq): New register constraint.
27082         (Chs): New constraint.
27083         (Clo): New constraint.
27084         (Chi): New constraint.
27085         (Cbf): New constraint.
27086         (Cbn): New constraint.
27087         (C18): New constraint.
27088         (Cbi): New constraint.
27090 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
27092         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
27093         dst->popcount.
27094         (bitmap_intersection_of_preds): Ditto.
27095         (bitmap_union_of_succs): Ditto.
27096         (bitmap_union_of_preds): Ditto.
27097         * sbitmap.c (do_popcount): Delete.
27098         (BITMAP_DEBUGGING): Delete.
27099         (sbitmap_verify_popcount): Delete.
27100         (sbitmap_alloc): Don't initialize the popcount field.
27101         (sbitmap_alloc_with_popcount): Delete.
27102         (sbitmap_resize): Don't resize the popcount array.
27103         (sbitmap_vector_alloc): Don't initialize the popcount field.
27104         (bitmap_copy): Don't copy the popcount array.
27105         (bitmap_clear): Don't clear the popcount array.
27106         (bitmap_clear): Delete the popcount array handling.
27107         (bitmap_ior_and_compl): Delete the popcount assert.
27108         (bitmap_not): Ditto.
27109         (bitmap_and_compl): Ditto.
27110         (bitmap_and): Delete the popcount array handling.
27111         (bitmap_xor): Ditto.
27112         (bitmap_ior): Ditto.
27113         (bitmap_or_and): Delete the popcount assert.
27114         (bitmap_and_or): Ditto.
27115         (popcount_table): Delete.
27116         (sbitmap_elt_popcount): Delete.
27117         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
27118         (bitmap_set_bit): Delete the popcount assert.
27119         (bitmap_clear_bit): Ditto.
27120         (sbitmap_free): Don't free the popcount array.
27121         (sbitmap_alloc_with_popcount): Delete declaration.
27122         (sbitmap_popcount): Ditto.
27124 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
27125             Andrew Burgess  <andrew.burgess@embecosm.com>
27127         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
27128         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
27129         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
27130         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
27131         * config/arc/arc.opt (mcmem): New option.
27132         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
27133         supply length for r/m alternative.
27134         (*extendqisi2_ac): Likewise.
27135         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
27136         r/Uex alternative.
27137         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
27138         (movhi_insn): Likewise.
27139         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
27140         (*zero_extendqihi2_i): Add r/Ucm alternative.
27141         (*zero_extendqisi2_ac): Likewise.
27142         (*zero_extendhisi2_i): Likewise.
27143         * config/arc/constraints.md (Uex): New memory constraint.
27144         (Ucm): New define_constraint.
27145         * config/arc/predicates.md (long_immediate_loadstore_operand):
27146         Return 0 for MEM with cmem_address address.
27147         (cmem_address_0): New predicates.
27148         (cmem_address_1): Likewise.
27149         (cmem_address_2): Likewise.
27150         (cmem_address): Likewise.
27152 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
27154         * config/rs6000/rs6000.c (machine_function): Rename
27155         insn_chain_scanned_p to spe_insn_chain_scanned_p.
27156         (rs6000_stack_info): Adjust.
27158 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
27159             Andrew Burgess  <andrew.burgess@embecosm.com>
27161         * config/arc/constraints.md (Usd): Convert to define_constraint.
27162         (Us<): Likewise.
27163         (Us>): Likewise.
27165 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
27167         PR target/70821
27168         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
27169         Add new peephole2 where the first insn is *mov<mode>_or instead of
27170         *mov<mode>_internal.
27172 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
27174         * tracer.c (bb_seen): Make static.
27176 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
27178         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
27179         support, setup defaults.
27180         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
27181         * config/arc/arc.c (arc_init): Add NPS400 support.
27182         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
27183         (TARGET_ARC700): NPS400 is also an ARC700.
27184         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
27186 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
27188         PR target/70668
27189         * config/nds32/nds32.md (casesi): Don't access the operands array
27190         out of bounds.
27192 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
27194         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
27195         (or $-1,reg peephole2): Ditto.
27196         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
27198 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
27200         * doc/extend.texi (Common Function Attributes) [optimize]:
27201         Discourage use of the optimize attribute.
27203 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
27205         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
27206         special case builtin.
27207         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
27208         ALTIVEC_BUILTIN_VEC_ADDE.
27209         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
27210         support for ALTIVEC_BUILTIN_VEC_ADDE.
27211         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
27212         for __builtin_vec_adde.
27214 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
27216         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
27217         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
27219 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27221         PR testsuite/70595
27222         * doc/sourcebuild.texi (Effective-Target Keywords, Other
27223         attributes): Document cilkplus_runtime.
27225 2016-04-28  Martin Jambor  <mjambor@suse.cz>
27227         * tree-cfg.c (verify_expr): Verify that local declarations belong to
27228         this function.  Call verify_expr on MEM_REFs and bases of other
27229         handled_components.
27231 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
27233         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
27234         for WORD_REGISTER_OPERATIONS to runtime check.
27236 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
27238         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
27240 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
27242         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
27243         big-endian compilation.
27244         * config/arc/arc.md (addf3): Likewise.
27245         (subdf3): Likewise.
27246         (muldf3): Likewise.
27248 2016-04-28  Richard Biener  <rguenther@suse.de>
27250         PR tree-optimization/70840
27251         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
27252         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
27253         Mark x * pow(x,c) -> pow(x,c+1) commutative.
27254         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
27256 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
27258         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
27259         and explain why in a comment.
27261 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
27263         * config/arc/arc.md (cpu_facility): Add fpx variant.
27264         (subdf3): Prohibit use reverse sub when assist operations option
27265         is enabled.
27266         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
27267         instructions only when FPX is enabled.
27268         * testsuite/gcc.target/arc/trsub.c: New test.
27270 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
27272         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
27273         mult_operator when calculating "type" attribute.
27274         (*fop_<mode>_1_i387): Ditto.
27275         (*fop_xf_1_i387): Ditto.
27276         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
27277         Use std::swap to swap operands.  Use RTL expressions to generate
27278         converted pattern.
27280 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
27281             Joern Rennecke  <joern.rennecke@embecosm.com>
27283         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
27284         declaration.
27285         (emit_pic_move): Remove.
27286         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
27287         * config/arc/arc.c (emit_pic_move): Removed.
27288         (TARGET_HAVE_TLS): Define.
27289         (arc_conditional_register_usage): Test for arc_tp_regno.
27290         (arc_print_operand, arc_print_operand_address): Handle TLS
27291         unspecs.
27292         (arc_needs_pcl_p): New function.
27293         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
27294         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
27295         (arc_raw_symbolic_reference_mentioned_p): Likewise.
27296         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
27297         (arc_legitimize_tls_address): Likewise.
27298         (DTPOFF_ZERO_SYM): Define.
27299         (arc_legitimize_pic_address): Make it static, handle TLS cases.
27300         (arc_output_pic_addr_const): Print TLS unspecs.
27301         (prepare_pic_move): New function, replaces emit_pic_move.
27302         (arc_legitimate_constant_p): Handle TLS unspecs.
27303         (arc_legitimate_address_p): Likewise.
27304         (arc_rewrite_small_data_p): Use assert for TLS constants.
27305         (prepare_move_operands): Use prepare_pic_move.
27306         (arc_legitimize_address): Legitimize tls addresses.
27307         (arc_epilogue_uses): Check for arc_tp_regno.
27308         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
27309         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
27310         Define.
27311         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
27312         Likewise.
27313         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
27314         %(arc_tls_extra_start_spec).
27315         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
27316         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
27317         (EH_USES): Define.
27318         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
27319         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
27320         (UNSPEC_TLS_OFF): Add.
27321         (R10_REG): Define.
27322         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
27323         (get_thread_pointersi): New patterns.
27324         * config/arc/arc.opt (mtp-regno): New option.
27325         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
27326         (move_dest_operand): Likewise.
27327         * configure: Regenerate.
27328         * configure.ac: Add arc*-*-* case to test for tls.
27329         * doc/invoke.texi (ARC options): Document mtp-regno.
27331 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
27333         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
27334         the new ARC HS SIMD instructions.
27335         (arc_preferred_simd_mode): New function.
27336         (arc_autovectorize_vector_sizes): Likewise.
27337         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
27338         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
27339         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
27340         (arc_init_builtins): Add new SIMD builtin types.
27341         (arc_split_move): Handle 64 bit vector moves.
27342         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
27343         (TARGET_PLUS_QMACW): Define.
27344         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
27345         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
27346         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
27347         (VSUBADD4H): New builtins.
27348         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
27349         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
27351 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
27352             Matthias Klose  <doko@debian.org>
27354         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
27356 2016-04-28  Richard Biener  <rguenther@suse.de>
27358         PR middle-end/70777
27359         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
27360         canonicalization.
27362 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
27364         * common/config/sh/sh-common.c: Remove SH5 support.
27365         * config/sh/constraints.md: Likewise.
27366         * config/sh/config/sh/elf.h: Likewise.
27367         * config/sh/linux.h: Likewise.
27368         * config/sh/netbsd-elf.h: Likewise.
27369         * config/sh/predicates.md: Likewise.
27370         * config/sh/sh-c.c: Likewise.
27371         * config/sh/sh-protos.h: Likewise.
27372         * config/sh/sh.c: Likewise.
27373         * config/sh/sh.h: Likewise.
27374         * config/sh/sh.md: Likewise.
27375         * config/sh/sh.opt: Likewise.
27376         * config/sh/sync.md: Likewise.
27377         * config/sh/sh64.h: Delete.
27378         * config/sh/shmedia.h: Likewise.
27379         * config/sh/shmedia.md: Likewise.
27380         * config/sh/sshmedia.h: Likewise.
27381         * config/sh/t-netbsd-sh5-64: Likewise.
27382         * config/sh/t-sh64: Likewise.
27383         * config/sh/ushmedia.h: Likewise.
27385 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
27387         * config/i386/i386.md (sign_extend to memory peephole2s): Use
27388         general_reg_operand instead of register_operand predicate.
27390 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
27392         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
27394 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
27396         * match.pd (A - B > A, A + B < A): New transformations.
27398 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
27400         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
27401         which defaults to true.  Emit an outer pair of parentheses only if
27402         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
27403         don't emit parentheses for the right-hand operand.
27405 2016-04-27  Jeff Law  <law@redhat.com>
27407         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
27409 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
27411         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
27412         (altivec_lvx_<mode>_internal): Document.
27413         (altivec_lvx_<mode>_2op): New define_insn.
27414         (altivec_lvx_<mode>_1op): Likewise.
27415         (altivec_lvx_<mode>_2op_si): Likewise.
27416         (altivec_lvx_<mode>_1op_si): Likewise.
27417         (altivec_stvx_<mode>): Remove.
27418         (altivec_stvx_<mode>_internal): Document.
27419         (altivec_stvx_<mode>_2op): New define_insn.
27420         (altivec_stvx_<mode>_1op): Likewise.
27421         (altivec_stvx_<mode>_2op_si): Likewise.
27422         (altivec_stvx_<mode>_1op_si): Likewise.
27423         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
27424         Expand vec_ld and vec_st during parsing.
27425         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
27426         changes.
27427         (altivec_expand_stvx_be): Likewise.
27428         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
27429         address-masking behavior in RTL.
27430         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
27431         address-masking behavior in RTL.
27432         (altivec_expand_builtin): Change builtin code arguments for calls
27433         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
27434         (insn_is_swappable_p): Avoid incorrect swap optimization in the
27435         presence of lvx/stvx patterns.
27436         (alignment_with_canonical_addr): New function.
27437         (alignment_mask): Likewise.
27438         (find_alignment_op): Likewise.
27439         (recombine_lvx_pattern): Likewise.
27440         (recombine_stvx_pattern): Likewise.
27441         (recombine_lvx_stvx_patterns): Likewise.
27442         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
27443         stvx patterns from expand.
27444         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
27445         expansions.
27446         (vector_altivec_store_<mode>): Likewise.
27448 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
27450         * config/aarch64/aarch64.md
27451         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
27452         remove the "fp" attributes.
27453         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
27454         add the "simd" attributes.
27455         (*movdf_aarch64): Likewise.
27456         (*movtf_aarch64): Remove the "fp" attributes.
27457         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
27458         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
27460 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
27462         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
27463         rtx to rtx_code_label *.
27464         * rtl.h (maybe_set_first_label_num): Likewise.
27466 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
27468         * df-core.c (df_add_problem): Make the problem param be const.
27469         (df_remove_problem): Make local "problem" be const.
27470         * df-problems.c (problem_RD): Make const.
27471         (problem_LR): Likewise.
27472         (problem_LIVE): Likewise.
27473         (problem_MIR): Likewise.
27474         (problem_CHAIN): Likewise.
27475         (problem_WORD_LR): Likewise.
27476         (problem_NOTE): Likewise.
27477         (problem_MD): Likewise.
27478         * df-scan.c (problem_SCAN): Likewise.
27479         * df.h (struct df_problem): Make field "dependent_problem" be
27480         const.
27481         (struct dataflow): Likewise for field "problem".
27482         (df_add_problem): Make param const.
27484 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
27486         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
27487         inter-unit moves to/from vector registers are enabled.  Do not disable
27488         for TARGET_MMX.
27490 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
27492         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
27493         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
27494         #define to...
27495         (enum df_problem_id): ...this new enum.
27496         (struct df_problem): Convert field "id" from "int" to
27497         enum df_problem_id.
27499 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
27501         * rtl.def: Update comment for "things in the instruction chain" to
27502         reflect the removal of the leading "i" field for INSN_UID in
27503         r210360.  Fix bogus apostrophe.
27505 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
27507         * config/i386/i386.md
27508         (lea arith with mem operand + setcc peephole2): Set operator mode.
27510 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
27512         PR target/70155
27513         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
27514         (dimode_scalar_to_vector_candidate_p): This.
27515         (timode_scalar_to_vector_candidate_p): New function.
27516         (scalar_to_vector_candidate_p): Likewise.
27517         (timode_check_non_convertible_regs): Likewise.
27518         (timode_remove_non_convertible_regs): Likewise.
27519         (remove_non_convertible_regs): Likewise.
27520         (remove_non_convertible_regs): Renamed to ...
27521         (dimode_remove_non_convertible_regs): This.
27522         (scalar_chain::~scalar_chain): Make it virtual.
27523         (scalar_chain::compute_convert_gain): Make it pure virtual.
27524         (scalar_chain::mark_dual_mode_def): Likewise.
27525         (scalar_chain::convert_insn): Likewise.
27526         (scalar_chain::convert_registers): Likewise.
27527         (scalar_chain::add_to_queue): Make it protected.
27528         (scalar_chain::emit_conversion_insns): Likewise.
27529         (scalar_chain::replace_with_subreg): Likewise.
27530         (scalar_chain::replace_with_subreg_in_insn): Likewise.
27531         (scalar_chain::convert_op): Likewise.
27532         (scalar_chain::convert_reg): Likewise.
27533         (scalar_chain::make_vector_copies): Likewise.
27534         (scalar_chain::convert_registers): New pure virtual function.
27535         (class dimode_scalar_chain): New class.
27536         (class timode_scalar_chain): Likewise.
27537         (scalar_chain::mark_dual_mode_def): Renamed to ...
27538         (dimode_scalar_chain::mark_dual_mode_def): This.
27539         (timode_scalar_chain::mark_dual_mode_def): New function.
27540         (timode_scalar_chain::convert_insn): Likewise.
27541         (dimode_scalar_chain::convert_registers): Likewise.
27542         (scalar_chain::compute_convert_gain): Renamed to ...
27543         (dimode_scalar_chain::compute_convert_gain): This.
27544         (scalar_chain::replace_with_subreg): Renamed to ...
27545         (dimode_scalar_chain::replace_with_subreg): This.
27546         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
27547         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
27548         (scalar_chain::make_vector_copies): Renamed to ...
27549         (dimode_scalar_chain::make_vector_copies): This.
27550         (scalar_chain::convert_reg): Renamed to ...
27551         (dimode_scalar_chain::convert_reg ): This.
27552         (scalar_chain::convert_op): Renamed to ...
27553         (dimode_scalar_chain::convert_op): This.
27554         (scalar_chain::convert_insn): Renamed to ...
27555         (dimode_scalar_chain::convert_insn): This.
27556         (scalar_chain::convert): Call convert_registers.
27557         (convert_scalars_to_vector): Change to scalar_chain pointer to
27558         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
27559         in 32-bit mode.  Delete scalar_chain pointer.  Call
27560         free_dominance_info in 64-bit mode.
27561         (pass_stv::gate): Remove TARGET_64BIT check.
27562         (ix86_option_override): Put the 64-bit STV pass before the CSE
27563         pass.
27565 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
27567         * dwarf2out.h (struct dw_loc_descr_node): Remove the
27568         dw_loc_frame_offset field.
27569         * dwarf2out.c (new_loc_descr): Likewise.
27570         (resolve_args_picking_1): Turn the VISITED hash set into a
27571         FRAME_OFFSET hash map. Use it to associate a frame offset to
27572         visited nodes. Remove uses of the CHECKING_P macro.
27573         (resolve_args_picking): Update call to resolve_args_picking_1.
27575 2016-04-27  Martin Liska  <mliska@suse.cz>
27577         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
27578         (free_loop_data): Release vuses of groups.
27580 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
27582         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
27583         instead of redundant use_id and boolean have_use_for.
27584         (struct iv_use): Change sub_id into group_id.  Remove field next.
27585         Move fields: related_cands, n_map_members, cost_map and selected
27586         to ...
27587         (struct iv_group): ... here.  New structure.
27588         (struct iv_common_cand): Use structure declaration directly.
27589         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
27590         (MAX_CONSIDERED_USES): Rename macro to ...
27591         (MAX_CONSIDERED_GROUPS): ... here.
27592         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
27593         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
27594         (dump_uses): Rename to ...
27595         (dump_groups): ... here.  Update all uses.
27596         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
27597         (find_induction_variables): Refactor format of dump information.
27598         (record_sub_use): Delete.
27599         (record_use): Update all uses.
27600         (record_group): New function.
27601         (record_group_use, find_interesting_uses_op): Call above functions.
27602         Update all uses.
27603         (find_interesting_uses_cond): Ditto.
27604         (group_compare_offset): New function.
27605         (split_all_small_groups): Rename to ...
27606         (split_small_address_groups_p): ... here.  Update all uses.
27607         (split_address_groups):  Update all uses.
27608         (find_interesting_uses): Refactor format of dump information.
27609         (add_candidate_1): Update all uses.  Remove redundant check on iv,
27610         base and step.
27611         (add_candidate, record_common_cand): Remove redundant assert.
27612         (add_iv_candidate_for_biv): Update use.
27613         (add_iv_candidate_derived_from_uses): Update all uses.
27614         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
27615         (alloc_use_cost_map): Ditto.
27616         (set_use_iv_cost, get_use_iv_cost): Rename to ...
27617         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
27618         (determine_use_iv_cost_generic): Ditto.
27619         (determine_group_iv_cost_generic): Ditto.
27620         (determine_use_iv_cost_address): Ditto.
27621         (determine_group_iv_cost_address): Ditto.
27622         (determine_use_iv_cost_condition): Ditto.
27623         (determine_group_iv_cost_cond): Ditto.
27624         (determine_use_iv_cost): Ditto.
27625         (determine_group_iv_cost): Ditto.
27626         (set_autoinc_for_original_candidates): Update all uses.
27627         (find_iv_candidates): Update all uses.  Refactor dump information.
27628         (determine_use_iv_costs): Ditto.
27629         (determine_iv_costs): Ditto.
27630         (iv_ca_cand_for_use): Rename to ...
27631         (iv_ca_cand_for_group): ... here.  Update all uses.
27632         (iv_ca_add_use, iv_ca_add_group): Ditto.
27633         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
27634         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
27635         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
27636         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
27637         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
27638         (create_new_iv, adjust_iv_update_pos): Ditto.
27639         (rewrite_use_address): Delete.
27640         (rewrite_use_address_1): Rename to ...
27641         (rewrite_use_address): ... here.
27642         (rewrite_use_compare): Update all uses.
27643         (rewrite_use): Delete.
27644         (rewrite_uses): Rename to ...
27645         (rewrite_groups): ... here.  Update all uses.
27646         (remove_unused_ivs, free_loop_data): Update all uses.
27647         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
27649 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
27651         * rtlanal.c (nonzero_bits1): Convert preprocessor check
27652         for WORD_REGISTER_OPERATIONS to runtime check.
27654 2016-04-27  Richard Biener  <rguenther@suse.de>
27656         PR ipa/70760
27657         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
27658         aggregate_value_p to determine if a function result is
27659         returned by reference.
27660         (ipa_pta_execute): Functions having their address taken are
27661         not automatically nonlocal.
27663 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
27665         PR sanitizer/70683
27666         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
27667         * fold-const.c (operand_equal_p): If flag_checking and
27668         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
27669         and if it returns non-zero, assert iterative_hash_expr on both
27670         args is the same.
27672 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
27674         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
27676 2016-04-27  Nick Clifton  <nickc@redhat.com>
27678         PR middle-end/49889
27679         * varasm.c (merge_weak): Generate an error if an attempt is made
27680         to convert a non-weak static function into a weak, public function.
27682 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
27684         * params.def (MAX_PARTITION_SIZE): New param.
27685         * doc/invoke.texi: Document lto-max-partition.
27687 2016-04-27  Richard Biener  <rguenther@suse.de>
27689         PR ipa/70785
27690         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
27691         function cummulating used_from_other_partition, externally_visible
27692         and force_output from aliases.
27693         (refered_from_nonlocal_var): Likewise.
27694         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
27695         node flags properly.
27697 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
27699         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
27700         (-Wmemset-elt-size): New item.
27702 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
27704         PR ada/70759
27705         * stor-layout.h (internal_reference_types): Delete.
27706         * stor-layout.c (reference_types_internal): Likewise.
27707         (internal_reference_types): Likewise.
27708         (layout_type) <REFERENCE_TYPE>: Adjust.
27710 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
27712         PR sanitizer/70683
27713         * tree.h (inchash::add_expr): Add FLAGS argument.
27714         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
27715         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
27716         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
27717         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
27718         if swap_tree_comparison (code) is smaller than code, hash that
27719         and arguments in the other order.  Hash CONVERT_EXPR the same
27720         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
27721         of ADDR_EXPR of decl as the decl itself.  Add or remove
27722         OEP_ADDRESS_OF from recursive flags as needed.  For
27723         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
27724         operands commutatively and only the third one normally.
27725         For internal CALL_EXPR hash in CALL_EXPR_IFN.
27727 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
27729         * config/rtems.h (LIB_SPEC): Add -latomic.
27731 2016-04-27  Joel Sherrill  <joel@rtems.org>
27733         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
27734         xilink.ld and flags not relevant to RTEMS.
27736 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
27738         * toplev.c (backend_init_target): Avoid calling init_reload when using
27739         LRA.
27741 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
27743         * reorg.c (try_merge_delay_insns): Declare i and j inside the
27744         for loops rather than one for the whole function.
27746 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
27748         * match.pd (X + CST CMP X): New transformation.
27750 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
27752         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
27753         * fold-const.c (fold_binary_loc): Remove 2 transformations
27754         superseded by match.pd.
27755         * match.pd (x+x -> x*2): Generalize to integers.
27757 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
27759         * config/i386/i386.md (operation on memory peephole): Duplicate an
27760         existing peephole and adapt it to match lea rather than an operation
27761         that clobbers CC.
27763         PR rtl-optimization/57193
27764         * opts.c (default_options_table): Add OPT_frename_registers at -O2
27765         and above.
27766         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
27768 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
27770         * tree-if-conv.c (any_pred_load_store): New static variable.
27771         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
27772         any_pred_load_store instead of and_mask_load_store.
27773         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
27774         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
27775         (combine_blocks, tree_if_conversion): Ditto.
27777 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
27779         PR tree-optimization/70771
27780         PR tree-optimization/70775
27781         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
27782         virtual PHI nodes.  Delete parameter.
27783         (if_convertible_loop_p_1): Delete argument to above function.
27784         (predicate_all_scalar_phis): Delete code handling single-argument
27785         PHIs.
27786         (tree_if_conversion): Mark and update virtual SSA.
27788 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27790         PR target/61821
27791         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
27792         (x86_elf_aligned_common): Rename to ...
27793         (x86_elf_aligned_decl_common): ... this.
27794         Add decl arg.  Switch to .lbss for largecomm object.  Use
27795         LARGECOMM_SECTION_ASM_OP.
27796         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
27797         renaming.
27798         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
27799         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
27800         Pass new decl arg.
27801         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
27802         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
27804 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27806         PR target/59407
27807         * config/i386/i386.c (SECTION_LARGE): Define.
27808         (x86_64_elf_select_section): Set it for large data/bss sections.
27809         Only clear SECTION_WRITE for .lrodata.
27810         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
27811         data/bss sections.
27812         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
27813         * varasm.c (default_elf_asm_named_section): Grow flagchars.
27814         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
27815         SECTION_MACH_DEP.
27816         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
27817         * doc/tm.texi: Regenerate.
27819 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
27821         PR bootstrap/70704
27822         * configure.ac (--enable-checking): Document extra flag, for
27823         non-release builds default to --enable-checking=yes,extra.
27824         If misc checking and extra checking, define CHECKING_P to 2 instead
27825         of 1.
27826         * common.opt (fchecking=): Add.
27827         * doc/invoke.texi (-fchecking=): Document.
27828         * doc/install.texi: Document --enable-checking changes.
27829         * configure: Regenerated.
27830         * config.in: Regenerated.
27832 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
27834         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
27835         attribute instead of which_alternative.
27836         * config/i386/sse.md (*mov<mode>_internal): Ditto.
27837         Use EXT_REX_SSE_REG_P where appropriate.
27839 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
27841         * config/i386/predicates.md (const0_operand): Do not match
27842         const_wide_int code.
27843         (const1_operand): Ditto.
27845 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
27847         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
27848         for SSE constm1 operands and TARGET_AVX512VL.
27849         (*movti_internal): Ditto.
27850         (*mov<mode>_or): Use constm1_operand predicate.
27851         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
27852         for SSE vector_all_ones operands and TARGET_AVX512VL.
27853         * config/i386/predicates.md (constm1_operand): New predicate.
27854         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
27855         emission of constant -1 load.
27857 2016-04-25  Jason Merrill  <jason@redhat.com>
27859         * gdbinit.in: Skip is-a.h.
27861         * attribs.c (register_scoped_attributes): Fix logic.
27862         * attribs.h: Declare register_scoped_attributes.
27864 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
27866         * config/rs6000/rs6000-builtin.def: Correct pasto error for
27867         stxvd2x and stxvw4x built-in functions.
27869 2016-04-25  DJ Delorie  <dj@redhat.com>
27871         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
27872         (ashrhi3): Likewise.
27873         (lshrhi3): Likewise.
27875 2016-04-25  Richard Biener  <rguenther@suse.de>
27877         PR tree-optimization/70780
27878         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
27879         wasn't visited yet.
27880         (compute_antic): Mark blocks with abnormal preds as visited as
27881         they have a final empty antic-in solution already.
27883 2016-04-25  Michael Collison  <michael.collison@linaro.org>
27885         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
27887 2016-04-25  Michael Collison  <michael.collison@linaro.org>
27889         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
27890         mode is VQI to improve mixed mode vectorization.
27891         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
27892         define_insn to match low half of signed vaddw.
27893         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
27894         define_insn to match high half of signed vaddw.
27895         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
27896         define_insn to match low half of unsigned vaddw.
27897         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
27898         define_insn to match high half of unsigned vaddw.
27899         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
27900         (arm_simd_check_vect_par_cnst_half_p): Likewise.
27901         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
27902         for new function.
27903         (arm_simd_check_vect_par_cnst_half_p): Likewise.
27904         * config/arm/predicates.md (vect_par_constant_high): Support
27905         big endian and simplify by calling
27906         arm_simd_check_vect_par_cnst_half
27907         (vect_par_constant_low): Likewise.
27909 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
27911         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
27912         predicate for operand 2.
27914 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
27915             H.J. Lu  <hongjiu.lu@intel.com>
27917         * config/i386/i386-protos.h (standard_sse_constant_p): Add
27918         machine_mode argument.
27919         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
27920         constm1_rtx operands.  For VOIDmode constants, get mode from
27921         pred_mode.  Check mode size if the mode is supported by ABI.
27922         (standard_sse_constant_opcode): Do not use standard_constant_p.
27923         Strictly check ABI support for all-ones operands.
27924         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
27925         immediates. Update calls to standard_sse_constant_p.
27926         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
27927         (ix86_rtx_costs): Ditto.
27928         * config/i386/i386.md (*movxi_internal_avx512f): Use
27929         nonimmediate_or_sse_const_operand instead of vector_move_operand.
27930         Use (v,BC) alternative instead of (v,C). Use register_operand
27931         checks instead of MEM_P.
27932         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
27933         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
27934         isa attribute.  Use register_operand checks instead of MEM_P.
27935         (*movti_internal): Use nonimmediate_or_sse_const_operand for
27936         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
27937         alternative and corresponding sse2 isa attribute.
27938         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
27939         to standard_sse_constant_p.
27940         (FP constant splitters): Ditto.
27941         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
27942         (C): Ditto.
27943         * config/i386/predicates.md (constm1_operand): Remove.
27944         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
27945         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
27946         vector_all_ones_operand instead of constm1_operand.
27948 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
27950         * print-rtl.c (print_rtx_insn_vec): New function.
27951         * print-rtl.h: New prototype.
27952         * store-motion.c (struct st_expr): Make avail_stores a vector.
27953         (st_expr_entry): Adjust.
27954         (free_st_expr_entry): Likewise.
27955         (print_store_motion_mems): Likewise.
27956         (find_moveable_store): Likewise.
27957         (compute_store_table): Likewise.
27958         (delete_store): Likewise.
27959         (build_store_vectors): Likewise.
27961 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
27963         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
27965 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
27967         * vec.h (vec_safe_contains): New function.
27968         (vec::contains): Likewise.
27969         (vec::begin): Likewise.
27970         (vec::end): Likewise.
27972 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
27974         PR sanitizer/70712
27975         * cfgexpand.c (expand_stack_vars): Fix typo.
27977 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
27979         * system.h (list, map, set, vector): Include conditionally.
27980         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
27981         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
27982         * ipa-icf.c (INCLUDE_LIST): Define.
27983         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
27984         * config/sh/sh.c (INCLUDE_VECTOR): Define.
27985         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
27986         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
27987         * cp/logic.cc (INCLUDE_LIST): Define.
27988         * fortran/trans-common.c (INCLUDE_MAP): Define.
27990 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
27992         * auto-profile.c: Remove <string.h> include.
27993         * ipa-icf-gimple.c: Remove <list> include.
27994         * diagnostic.c: Remove <new> include.
27995         * genmatch.c: Likewise.
27996         * pretty-print.c: Likewise.
27997         * toplev.c: Likewise
27998         * c/c-objc-common.c: Likewise.
27999         * cp/error.c: Likewise.
28000         * fortran/error.c: Likewise.
28002 2016-04-22  Richard Biener  <rguenther@suse.de>
28004         * lto-streamer-in.c (input_ssa_names): Do not allocate
28005         GIMPLE_NOP for all SSA names.
28006         * lto-streamer-out.c (output_ssa_names): Do not output
28007         SSA names that should have been released.
28009 2016-04-22  Richard Biener  <rguenther@suse.de>
28011         PR tree-optimization/70740
28012         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
28013         VDEF.
28015 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
28017         PR target/70750
28018         * config/i386/predicates.md (call_insn_operand): Replace
28019         sibcall_memory_operand with memory_operand.
28021 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
28023         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
28024         has_single_use() tests.
28025         (register_edge_assert_for_1): Likewise.
28026         (find_assert_locations_1): Check the liveness bitmap instead of
28027         checking has_single_use().
28029 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
28031         PR target/70728
28032         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
28033         Extract AVX-512BW constraint from AVX.
28035 2016-04-21  Richard Biener  <rguenther@suse.de>
28037         PR tree-optimization/70725
28038         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
28039         for phi_convertible_by_degenerating_args.
28040         (predicate_all_scalar_phis): Handle single-argument PHIs.
28042 2016-04-21  Richard Biener  <rguenther@suse.de>
28044         PR middle-end/70747
28045         * fold-const.c (fold_comparison): Return properly typed
28046         constant boolean.
28048 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
28050         PR tree-optimization/70715
28051         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
28052         after expanding BASE using expand_simple_operations.
28054 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
28056         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
28057         New transformations.
28059 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
28061         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
28063 2016-04-20  Jan Hubicka  <jh@suse.cz>
28065         * ipa-inline.c (can_inline_edge_p): Pass caller info to
28066         ultiimate_alias_target.
28067         (update_callee_keys): Likewise.
28068         (lookup_recursive_calls): Likewise.
28069         (speculation_useful_p): Likewise.
28071 2016-04-20  Jan Hubicka  <jh@suse.cz>
28073         PR ipa/70018
28074         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
28075         (set_nothrow_flag_1): ... this; handle interposition correctly;
28076         recurse on aliases and thunks.
28077         (cgraph_node::set_nothrow_flag): New.
28078         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
28079         functions compiled with non-call exceptions that binds to current
28080         def.
28081         (propagate_nothrow): Be safe WRT interposition.
28082         * cgraph.h (set_nothrow_flag): Update prototype.
28084 2016-04-18  Jan Hubicka  <jh@suse.cz>
28086         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
28087         max_loop_iterations_int.
28088         (tree_unswitch_outer_loop): Likewise.
28090 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
28092         PR tree-optimization/69489
28093         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
28094         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
28095         Revise dump message.
28096         (if_convertible_bb_p): Remove check on edge count of basic block's
28097         predecessors.
28099 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
28101         PR tree-optimization/56625
28102         PR tree-optimization/69489
28103         * tree-data-ref.h (DR_INNERMOST): New macro.
28104         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
28105         hashing struct innermost_loop_behavior.
28106         (ref_DR_map): Remove.
28107         (innermost_DR_map): New map.
28108         (baseref_DR_map): Revise comment.
28109         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
28110         to innermost_DR_map accroding to its innermost loop behavior.
28111         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
28112         to its innermost loop behavior.
28113         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
28114         Add initialization for innermost_DR_map.  Record memory reference
28115         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
28116         have innermost loop behavior.
28117         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
28118         innermost_DR_map.
28120 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
28122         * config/i386/i386.md (*lea<mode>_general_1): Rename from
28123         *lea_general_1.  Use explicit SWI12 mode interator.
28124         (*lea<mode>_general_2): Rename from *lea_general_2.
28125         Use explicit SWI12 mode interator.
28126         (*lea<mode>_general_3): Rename from *lea_general_3.
28127         Use explicit SWI12 mode interator.
28128         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
28129         Use explicit SWI12 mode interator.
28130         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
28131         Use explicit SWI48 mode interator.
28133 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
28135         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
28136         Short-cut unaligned load and store cases.  Handle all integer
28137         vector modes.
28138         (ix86_expand_vector_move_misalign): Short-cut unaligned load
28139         and store cases.  Call ix86_avx256_split_vector_move_misalign
28140         directly without checking mode class.
28142 2016-04-20  Andrew Pinski  <apinski@cavium.com>
28143             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
28145         PR target/64971
28146         * config/aarch64/aarch64.md (sibcall): Force call
28147         address to be DImode for ILP32.
28148         (sibcall_value): Likewise.
28150 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
28152         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
28154 2016-04-20  Richard Biener  <rguenther@suse.de>
28156         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
28157         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
28158         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
28159         (maybe_push_res_to_seq): Adjust.
28160         * gimple-fold.c (maybe_build_generic_op): Likewise.
28162 2016-04-20  Marek Polacek  <polacek@redhat.com>
28164         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
28165         rather than true.
28167 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
28169         * config/i386/sse.md (vec_unpacks_lo_hi): Always
28170         use kmovw to support AVX512F target.
28172 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
28174         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
28176 2016-04-20  Marek Polacek  <polacek@redhat.com>
28178         PR tree-optimization/70725
28179         * tree-if-conv.c (is_false_predicate): New function.
28180         (predicate_mem_writes): Use it.
28182 2016-04-20  Richard Biener  <rguenther@suse.de>
28184         PR tree-optimization/70726
28185         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
28186         shift amounts from a pattern stmt operand.
28188 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28190         PR target/70674
28191         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
28192         stack_restore_from_fpr pattern when restoring r15.
28193         (s390_optimize_prologue): Strip away the memory barrier in the
28194         parallel when trying to get rid of restore insns.
28195         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
28196         definition for loading the stack pointer from an FPR.  Compared to
28197         the normal move insn this pattern includes a full memory barrier.
28199 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
28201         PR middle-end/70680
28202         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
28203         implicitly linear or lastprivate iterator on the outer context.
28205 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
28207         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
28208         alignment check.
28209         * config/i386/i386.md (ssememalign): Removed.
28210         * config/i386/sse.md: Remove ssememalign attribute from patterns.
28212 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
28214         PR target/69201
28215         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
28216         const short * to __builtin_ia32_loaddquhi512_mask.
28217         (_mm512_maskz_loadu_epi16): Likewise.
28218         (_mm512_mask_storeu_epi16): Pass short * to
28219         __builtin_ia32_storedquhi512_mask.
28220         (_mm512_mask_loadu_epi8): Pass const char * to
28221         __builtin_ia32_loaddquqi512_mask.
28222         (_mm512_maskz_loadu_epi8): Likewise.
28223         (_mm512_mask_storeu_epi8): Pass char * to
28224         __builtin_ia32_storedquqi512_mask.
28225         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
28226         const double * to __builtin_ia32_loadupd512_mask.
28227         (_mm512_mask_loadu_pd): Likewise.
28228         (_mm512_maskz_loadu_pd): Likewise.
28229         (_mm512_storeu_pd): Pass double * to
28230         __builtin_ia32_storeupd512_mask.
28231         (_mm512_mask_storeu_pd): Likewise.
28232         (_mm512_loadu_ps): Pass const float * to
28233         __builtin_ia32_loadups512_mask.
28234         (_mm512_mask_loadu_ps): Likewise.
28235         (_mm512_maskz_loadu_ps): Likewise.
28236         (_mm512_storeu_ps): Pass float * to
28237         __builtin_ia32_storeups512_mask.
28238         (_mm512_mask_storeu_ps): Likewise.
28239         (_mm512_mask_loadu_epi64): Pass const long long * to
28240         __builtin_ia32_loaddqudi512_mask.
28241         (_mm512_maskz_loadu_epi64): Likewise.
28242         (_mm512_mask_storeu_epi64): Pass long long *
28243         to __builtin_ia32_storedqudi512_mask.
28244         (_mm512_loadu_si512): Pass const int * to
28245         __builtin_ia32_loaddqusi512_mask.
28246         (_mm512_mask_loadu_epi32): Likewise.
28247         (_mm512_maskz_loadu_epi32): Likewise.
28248         (_mm512_storeu_si512): Pass int * to
28249         __builtin_ia32_storedqusi512_mask.
28250         (_mm512_mask_storeu_epi32): Likewise.
28251         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
28252         char * to __builtin_ia32_storedquqi256_mask.
28253         (_mm_mask_storeu_epi8): Likewise.
28254         (_mm256_mask_loadu_epi16): Pass const short * to
28255         __builtin_ia32_loaddquhi256_mask.
28256         (_mm256_maskz_loadu_epi16): Likewise.
28257         (_mm_mask_loadu_epi16): Pass const short * to
28258         __builtin_ia32_loaddquhi128_mask.
28259         (_mm_maskz_loadu_epi16): Likewise.
28260         (_mm256_mask_loadu_epi8): Pass const char * to
28261         __builtin_ia32_loaddquqi256_mask.
28262         (_mm256_maskz_loadu_epi8): Likewise.
28263         (_mm_mask_loadu_epi8): Pass const char * to
28264         __builtin_ia32_loaddquqi128_mask.
28265         (_mm_maskz_loadu_epi8): Likewise.
28266         (_mm256_mask_storeu_epi16): Pass short * to.
28267         __builtin_ia32_storedquhi256_mask.
28268         (_mm_mask_storeu_epi16): Pass short * to.
28269         __builtin_ia32_storedquhi128_mask.
28270         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
28271         const double * to __builtin_ia32_loadupd256_mask.
28272         (_mm256_maskz_loadu_pd): Likewise.
28273         (_mm_mask_loadu_pd): Pass onst double * to
28274         __builtin_ia32_loadupd128_mask.
28275         (_mm_maskz_loadu_pd): Likewise.
28276         (_mm256_mask_storeu_pd): Pass double * to
28277         __builtin_ia32_storeupd256_mask.
28278         (_mm_mask_storeu_pd): Pass double * to
28279         __builtin_ia32_storeupd128_mask.
28280         (_mm256_mask_loadu_ps): Pass const float * to
28281         __builtin_ia32_loadups256_mask.
28282         (_mm256_maskz_loadu_ps): Likewise.
28283         (_mm_mask_loadu_ps): Pass const float * to
28284         __builtin_ia32_loadups128_mask.
28285         (_mm_maskz_loadu_ps): Likewise.
28286         (_mm256_mask_storeu_ps): Pass float * to
28287         __builtin_ia32_storeups256_mask.
28288         (_mm_mask_storeu_ps): ass float * to
28289         __builtin_ia32_storeups128_mask.
28290         (_mm256_mask_loadu_epi64): Pass const long long * to
28291         __builtin_ia32_loaddqudi256_mask.
28292         (_mm256_maskz_loadu_epi64): Likewise.
28293         (_mm_mask_loadu_epi64): Pass const long long * to
28294         __builtin_ia32_loaddqudi128_mask.
28295         (_mm_maskz_loadu_epi64): Likewise.
28296         (_mm256_mask_storeu_epi64): Pass long long * to
28297         __builtin_ia32_storedqudi256_mask.
28298         (_mm_mask_storeu_epi64): Pass long long * to
28299         __builtin_ia32_storedqudi128_mask.
28300         (_mm256_mask_loadu_epi32): Pass const int * to
28301         __builtin_ia32_loaddqusi256_mask.
28302         (_mm256_maskz_loadu_epi32): Likewise.
28303         (_mm_mask_loadu_epi32): Pass const int * to
28304         __builtin_ia32_loaddqusi128_mask.
28305         (_mm_maskz_loadu_epi32): Likewise.
28306         (_mm256_mask_storeu_epi32): Pass int * to
28307         __builtin_ia32_storedqusi256_mask.
28308         (_mm_mask_storeu_epi32): Pass int * to
28309         __builtin_ia32_storedqusi128_mask.
28310         * config/i386/i386-builtin-types.def (PCSHORT): New.
28311         (PINT64): Likewise.
28312         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
28313         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
28314         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
28315         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
28316         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
28317         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
28318         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
28319         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
28320         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
28321         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
28322         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
28323         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
28324         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
28325         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
28326         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
28327         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
28328         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
28329         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
28330         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
28331         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
28332         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
28333         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
28334         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
28335         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
28336         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
28337         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
28338         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
28339         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
28340         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
28341         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
28342         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
28343         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
28344         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
28345         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
28346         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
28347         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
28348         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
28349         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
28350         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
28351         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
28352         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
28353         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
28354         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
28355         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
28356         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
28357         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
28358         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
28359         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
28360         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
28361         use UNSPEC_STOREU.
28362         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
28363         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
28364         load nor store.
28365         (ix86_expand_vector_move_misalign): Likewise.
28366         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
28367         to scalar function prototype for unaligned load/store builtins.
28368         (ix86_expand_special_args_builtin): Updated.
28369         * config/i386/sse.md (UNSPEC_LOADU): Removed.
28370         (UNSPEC_STOREU): Likewise.
28371         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
28372         (VI_ULOADSTORE_F_AVX512VL): Likewise.
28373         (ssescalarsize): Handle V4TI, V2TI and V1TI.
28374         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
28375         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
28376         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
28377         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
28378         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
28379         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
28380         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
28381         (<avx512>_storedqu<mode>_mask): Likewise.
28382         (*sse4_2_pcmpestr_unaligned): Likewise.
28383         (*sse4_2_pcmpistr_unaligned): Likewise.
28384         (*mov<mode>_internal): Renamed to ...
28385         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
28386         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
28387         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
28388         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
28390 2016-04-19  Richard Biener  <rguenther@suse.de>
28392         PR tree-optimization/70171
28393         * tree-ssa-phiprop.c: Include stor-layout.h.
28394         (phiprop_insert_phi): Handle the aggregate copy case.
28395         (propagate_with_phi): Likewise.
28397 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
28399         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
28400         instead of simplify_gen_subreg (... , 0).
28401         (ix86_delegitimize_address): Ditto.
28402         (ix86_split_divmod): Ditto.
28403         (ix86_split_copysign_const): Ditto.
28404         (ix86_split_copysign_var): Ditto.
28405         (ix86_expand_args_builtin): Ditto.
28406         (ix86_expand_round_builtin): Ditto.
28407         (ix86_expand_special_args_builtin): Ditto.
28408         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
28409         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
28410         (udivmodqi4): Ditto.
28411         (absneg splitters): Ditto.
28412         (*jcc_bt<mode>_1): Ditto.
28414 2016-04-19  Richard Biener  <rguenther@suse.de>
28416         PR tree-optimization/70724
28417         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
28418         restoring out from ...
28419         (free_scc_vn): ... here.
28420         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
28421         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
28422         tail merging.
28423         (pass_fre::execute): Restore SSA info.
28425 2016-04-19  Richard Biener  <rguenther@suse.de>
28427         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
28428         * gimple-walk.c (walk_gimple_op): Initialize it.
28429         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
28430         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
28431         remapping SSA names of defs.
28432         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
28433         adjustment.
28435 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
28437         PR middle-end/70689
28438         * lra-constraints.c (equiv_substition_p): New.
28439         (process_alt_operands): Use it.
28440         (swap_operands): Swap it.
28441         (curr_insn_transform): Update it.
28443 2016-04-18  Michael Matz  <matz@suse.de>
28445         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
28446         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
28447         * tree-core.h (tree_type_common.align): Use bit-field.
28448         (tree_type_common.spare): New.
28449         (tree_decl_common.off_align): Make smaller.
28450         (tree_decl_common.align): Use bit-field.
28452         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
28453         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
28454         (scan_sharing_clauses): Ditto.
28455         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
28456         (omp_finish_file): Ditto.
28457         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
28458         (layout_decl): Ditto.
28459         (relayout_decl): Ditto.
28460         (finalize_record_size): Use SET_TYPE_ALIGN.
28461         (finalize_type_size): Ditto.
28462         (finish_builtin_struct): Ditto.
28463         (layout_type): Ditto.
28464         (initialize_sizetypes): Ditto.
28465         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
28466         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
28467         (lookup_field_for_decl): Use SET_DECL_ALIGN.
28468         (get_chain_field): Ditto.
28469         (get_trampoline_type): Ditto.
28470         (get_nl_goto_field): Ditto.
28471         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
28472         SET_DECL_ALIGN.
28473         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
28474         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
28475         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
28476         (build_qualified_type): Use SET_TYPE_ALIGN.
28477         (build_aligned_type, build_range_type_1): Ditto.
28478         (build_atomic_base): Ditto.
28479         (build_common_tree_nodes): Ditto.
28480         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
28481         (expand_one_stack_var_at): Ditto.
28482         * coverage.c (build_var): Use SET_DECL_ALIGN.
28483         * except.c (init_eh): Ditto.
28484         * function.c (assign_parm_setup_block): Ditto.
28485         * symtab.c (increase_alignment_1): Ditto.
28486         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
28487         * tree-vect-stmts.c (ensure_base_align): Ditto.
28488         * varasm.c (align_variable): Ditto.
28489         (assemble_variable): Ditto.
28490         (build_constant_desc): Ditto.
28491         (output_constant_def_contents): Ditto.
28493         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
28494         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
28495         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
28496         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
28497         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
28499 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
28501         PR target/70708
28502         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
28503         replace %vmovsd with "%vmovq".
28504         (vec_concatv2df): Likewise.
28506 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
28508         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
28509         (*vec_extractv2si_0): Ditto.
28510         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
28511         (zero_extended_scalar_load_operand splitters): Ditto.
28512         (vec_extract splitters): Ditto.
28513         (*vec_extractv4si_0_zext): Ditto.
28514         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
28515         and lowpart_subreg.
28516         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
28517         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
28518         (*sse4_1_extractps): Use lowpart_subreg.
28519         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
28521 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28523         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
28524         gld requirements.
28525         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
28526         Mention Solaris 11 packaging changes.
28527         Update gas and gld requirements.
28528         Remove reference to pre-Solaris 10 bug.
28529         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
28530         systems and bugs.
28531         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
28532         with cc.
28534 2016-04-17  Jan Hubicka  <jh@suse.cz>
28536         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
28537         max_loop_iterations_int.
28539 2016-04-18  Richard Biener  <rguenther@suse.de>
28541         PR tree-optimization/43434
28542         * tree-ssa-structalias.c (struct vls_data): New.
28543         (visit_loadstore): Handle all pointer-based accesses.
28544         (compute_dependence_clique): Compute a bitmap of restrict tags
28545         assigned bases and pass it to visit_loadstore.
28547 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
28549         PR target/70711
28550         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
28551         armv8.1-a and armv8.1-a+crc.
28553 2016-04-18  Richard Biener  <rguenther@suse.de>
28555         PR tree-optimization/70701
28556         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
28557         references after translating through a memcpy.
28559 2016-04-18  Richard Biener  <rguenther@suse.de>
28561         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
28562         (compute_antic): ... here.  For partial antic use regular
28563         postorder and scrap iteration.
28564         (compute_partial_antic_aux): Remove unused return value.
28565         (init_pre): Do not allocate postorder.
28566         (fini_pre): Do not free postorder.
28568 2016-04-18  Richard Biener  <rguenther@suse.de>
28570         PR middle-end/37870
28571         * expmed.c (extract_bit_field_1): Remove broken case
28572         using a wider MODE_INT mode.
28574 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
28576         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
28577         unless compiling with at least GCC-4.8.
28579 2016-04-17  Jan Hubicka  <jh@suse.cz>
28581         PR bootstrap/70706
28582         * graphite.c (graphite_finalize): Update call to
28583         tree_estimate_probability.
28584         * predict.h (tree_estimate_probability): Update prototype.
28586 2016-04-17  Jan Hubicka  <jh@suse.cz>
28588         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
28589         (tree_estimate_probability): Likewise.
28590         (pass_profile::execute): Update.
28591         (report_predictor_hitrates): New function.
28592         * profile.c (compute_branch_probabilities): Use it.
28593         * predict.h (report_predictor_hitrates): Declare.
28595 2016-04-17  Jan Hubicka  <jh@suse.cz>
28597         PR ipa/70018
28598         * cgraph.h (cgraph_node::set_const_flag,
28599         cgraph_node::set_pure_flag): Update prototype to return bool;
28600         update comment.
28601         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
28602         of interposable symbol are interposable, too.
28603         (cgraph_set_const_flag_1): Rename to ...
28604         (set_const_flag_1): ... this one; change to self recursive function
28605         instead of call_for_symbol_thunks_and_aliases. Handle correctly
28606         clearnig the flag in all variants and also virtual thunks of const
28607         functions are pure; track if any change was done.
28608         (cgraph_node::set_const_flag): Update.
28609         (struct set_pure_flag_info): New struct.
28610         (cgraph_set_pure_flag_1): Rename to ...
28611         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
28612         rather than pointer encoded flags; track if any changes was done;
28613         handle correctly clearning flag and setting flag of aliases already
28614         declared const.
28615         (cgraph_node::set_pure_flag): Update.
28616         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
28618 2016-04-17  Tom de Vries  <tom@codesourcery.com>
28620         PR other/70433
28621         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
28622         backslash in label.
28624 2016-04-17  Tom de Vries  <tom@codesourcery.com>
28626         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
28627         '{}<> ' as escape-for-record.
28629 2016-04-17  Tom de Vries  <tom@codesourcery.com>
28631         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
28632         structure.
28634 2016-04-17  Tom de Vries  <tom@codesourcery.com>
28636         PR other/70185
28637         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
28638         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
28639         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
28640         * passes.c (finish_optimization_passes): Only call
28641         finish_graph_dump_file if dfi->graph_dump_initialized.
28642         (execute_function_dump, pass_init_dump_file): Use
28643         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
28645 2016-04-17  Tom de Vries  <tom@codesourcery.com>
28647         PR tree-optimization/70256
28648         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
28649         (debug_varmap): New function.
28651 2016-04-17  Tom de Vries  <tom@codesourcery.com>
28653         PR other/70183
28654         * passes.c (pass_manager::register_pass): Propagate pflags.
28656 2016-04-17  Tom de Vries  <tom@codesourcery.com>
28658         PR other/68875
28659         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
28660         * passes.c (pass_manager::pass_manager): Declare and init p_start in
28661         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
28662         check if it's equal to p_start.
28663         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
28665 2016-04-15  Jan Hubicka  <jh@suse.cz>
28667         PR ipa/70018
28668         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
28669         function does not bind to current def.
28670         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
28671         handle conservatively calls to functions that does not need to bind
28672         to current def.
28673         (check_call): Update call of worse_state.
28674         (ignore_edge_for_nothrow): Update.
28675         (ignore_edge_for_pure_const): Likewise.
28676         (propagate_pure_const): Update calls to worse_state.
28677         (skip_function_for_local_pure_const): Reformat comments.
28679 2016-04-15  Jan Hubicka  <jh@suse.cz>
28681         PR ipa/70018
28682         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
28683         (cgraph_node::function_symbol): Likewise.
28684         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
28685         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
28686         (symtab_node::ultimate_alias_target): Add REF parameter.
28687         (symtab_node::binds_to_current_def_p): Declare.
28688         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
28689         (cgraph_node::function_symbol): Likewise.
28690         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
28691         (cgraph_node::get_availability): Likewise.
28692         (cgraph_edge::binds_to_current_def_p): New inline function.
28693         (varpool_node::get_availability): Add REF parameter.
28694         (varpool_node::ultimate_alias_target): Likewise.
28695         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
28696         (symtab_node::binds_to_current_def_p): Likewise.
28697         * varpool.c (varpool_node::get_availability): Likewise.
28699 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
28701         PR target/70662
28702         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
28703         Fix mode size check.
28705 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
28707         * BASE-VER: Set to 7.0.0.
28709 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
28711         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
28713 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
28715         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
28716         architecture revisions.
28718 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
28720         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
28721         * config/i386/i386.c (ix86_using_red_zone): No longer static.
28722         * config/i386/i386.md (stack decrement to push peepholes): Guard
28723         with !x86_using_red_zone ().
28725 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
28727         PR c++/70675
28728         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
28729         to dump_generic_node.
28730         (NIY): Pass also flags to do_niy.
28732 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
28734         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
28735         (simd_clone_vector_of_formal_parm_types)
28736         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
28737         (simd_clone_mangle, simd_clone_create)
28738         (simd_clone_adjust_return_type, create_tmp_simd_array)
28739         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
28740         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
28741         (ipa_simd_modify_function_body, simd_clone_linear_addend)
28742         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
28743         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
28744         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
28745         * omp-simd-clone.c: ... this new file.
28746         (simd_clone_vector_of_formal_parm_types): Make it static.
28747         * Makefile.in (OBJS): Add omp-simd-clone.o.
28749 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
28751         PR target/70662
28752         * config/i386/sse.md: Use proper memory operand modifiers.
28755 2016-04-15  Richard Biener  <rguenther@suse.de>
28756         Alan Modra  <amodra@gmail.com>
28758         PR tree-optimization/70130
28759         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
28760         when alignment stays not the same and no not use the realign
28761         scheme then.
28763 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
28765         PR target/70669
28766         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
28767         direct move handlers for KFmode. Change TFmode handlers test from
28768         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
28770 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
28772         PR c++/70594
28773         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
28774         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
28775         (inlined_polymorphic_ctor_dtor_block_p): Use it.
28776         * tree-ssa-live.c (remove_unused_scope_block_p): When
28777         in_ctor_dtor_block, avoid discarding not just BLOCKs with
28778         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
28779         block_ultimate_origin is FUNCTION_DECL.
28780         (remove_unused_locals): If current_function_decl is
28781         polymorphic_ctor_dtor_p, pass initial true to
28782         remove_unused_scope_block_p' is_ctor_dtor_block.
28784 2016-04-14  Martin Sebor  <msebor@redhat.com>
28786         PR c++/69517
28787         PR c++/70019
28788         PR c++/70588
28789         * doc/extend.texi (Variable Length): Revert.
28791 2016-04-14  Marek Polacek  <polacek@redhat.com>
28792             Jan Hubicka  <hubicka@ucw.cz>
28794         PR c++/70029
28795         * tree.c (verify_type): Disable the canonical type of main variant
28796         check.
28798 2016-04-14  Jason Merrill  <jason@redhat.com>
28800         * cfgexpand.c, expr.c: Revert previous change.
28802 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
28804         PR middle-end/70643
28805         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
28806         when building a mem ref for the incoming reduction variable.
28808 2016-04-14  Richard Biener  <rguenther@suse.de>
28810         PR tree-optimization/70614
28811         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
28812         loop if the evolution dropped to chrec_dont_know.
28813         (interpret_condition_phi): Likewise.
28815 2016-04-14  Richard Biener  <rguenther@suse.de>
28817         PR tree-optimization/70623
28818         * tree-ssa-pre.c (changed_blocks): Make global ...
28819         (compute_antic): ... local here.  Move and fix worklist
28820         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
28821         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
28822         worklist handling, dump when ANTIC_IN changed.
28823         (compute_partial_antic_aux): Remove worklist handling.
28824         (init_pre): Do not compute post dominators.  Add a comment about
28825         the CFG order chosen.
28826         (fini_pre): Do not free post dominators.
28828 2016-04-13  Martin Sebor  <msebor@redhat.com>
28830         PR c++/69517
28831         PR c++/70019
28832         PR c++/70588
28833         * doc/extend.texi (Variable Length): Document C++ specifics.
28835 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
28837         PR c++/70641
28838         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
28839         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
28840         eh edges have been purged.
28842         PR c++/70594
28843         * tree-sra.c (create_access_replacement,
28844         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
28845         gets fancy name.
28846         * tree-pretty-print.c (dump_fancy_name): New function.
28847         (dump_decl_name, dump_generic_node): Use it.
28849 2016-04-13  Jason Merrill  <jason@redhat.com>
28851         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
28852         * expr.c (expand_expr_real_1): Likewise.
28854 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
28856         * config/i386/i386.md (kunpckhi): Swap operands.
28857         (kunpcksi): Likewise.
28858         (kunpckdi): Likewise.
28859         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
28860         (vec_pack_trunc_<mode>): Likewise.
28862 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
28864         PR debug/70628
28865         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
28867         PR middle-end/70633
28868         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
28869         gimplification turns some element into non-constant.
28871         PR debug/70628
28872         * rtl.h (convert_memory_address_addr_space_1): New prototype.
28873         * explow.c (convert_memory_address_addr_space_1): No longer static,
28874         add NO_EMIT argument and don't call convert_modes if true, pass
28875         it down recursively, remove break after return.
28876         (convert_memory_address_addr_space): Adjust caller.
28877         * simplify-rtx.c (simplify_unary_operation_1): Call
28878         convert_memory_address_addr_space_1 instead of convert_memory_address,
28879         if it returns NULL, don't simplify.
28881 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
28883         PR target/70630
28884         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
28886 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
28888         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
28889         Bump the upper SIMDLEN limits, so that if the return type or
28890         characteristic type if the return type is void can be passed in
28891         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
28892         allowed.
28894 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
28896         PR target/70640
28897         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
28898         Do not use "=" constraint on an input constraint.
28899         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
28900         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
28901         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
28902         generates (neg (abs ...)) instead of (abs ...).
28904 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
28906         PR rtl-optimization/70596
28907         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
28908         just invalidate LRA data and reset them.  Adjust dump wording.
28910 2016-04-12  Martin Liska  <mliska@suse.cz>
28912         Revert
28913         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
28915         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
28916         estimates here.
28917         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
28918         max_loop_iterations_int.
28919         (tree_unswitch_outer_loop): Likewise.
28920         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
28921         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
28923 2016-04-12  Tom de Vries  <tom@codesourcery.com>
28925         PR tree-optimization/68756
28926         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
28927         instead of new_name.
28929 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
28931         PR tree-optimization/70602
28932         * tree-sra.c (generate_subtree_copies): Don't write anything into
28933         constant pool decls.
28935         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
28936         regardless whether there are depend clauses or not.
28938 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
28940         PR target/70381
28941         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
28942         target attribute and pragma from changing the -mfloat128
28943         and -mfloat128-hardware options.
28945         * doc/extend.texi (Additional Floating Types): Document PowerPC
28946         __float128 restrictions.
28948 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
28950         PR target/70133
28951         * config/aarch64/driver-aarch64.c
28952         (aarch64_get_extension_string_for_isa_flags): New.
28953         (arch_extension): Rename to...
28954         (aarch64_arch_extension): ...This.
28955         (ext_to_feat_string): Rename to...
28956         (aarch64_extensions): ...This.
28957         (aarch64_core_data): Keep track of architecture extension flags.
28958         (cpu_data): Rename to...
28959         (aarch64_cpu_data): ...This.
28960         (aarch64_arch_driver_info): Keep track of architecture extension
28961         flags.
28962         (get_arch_name_from_id): Rename to...
28963         (get_arch_from_id): ...This, change return type.
28964         (host_detect_local_cpu): Update and reformat for renames, handle
28965         extensions through common infrastructure.
28967 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
28969         PR target/70133
28970         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
28971         track of a canonical flag name.
28972         (all_extensions): Likewise.
28973         (arch_to_arch_name): Also track extension flags enabled by the arch.
28974         (all_architectures): Likewise.
28975         (aarch64_parse_extension): Move to here.
28976         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
28977         rework.
28978         (aarch64_rewrite_selected_cpu): Update for above change.
28979         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
28980         are handled, such that the single explicit value enabled by an
28981         extension is kept seperate from the implicit values it also enables.
28982         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
28983         to here.
28984         (aarch64_parse_extension): New.
28985         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
28986         here to config/aarch64/aarch64-protos.h.
28987         (aarch64_parse_extension): Move from here to
28988         common/config/aarch64/aarch64-common.c.
28989         (aarch64_option_print): Update.
28990         (aarch64_declare_function_name): Likewise.
28991         (aarch64_start_file): Likewise.
28992         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
28993         the canonical flag for extensions.
28994         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
28995         flags.
28997 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
28999         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
29000         AARCH64_FL_CRC.
29002 2016-04-09  Tom de Vries  <tom@codesourcery.com>
29004         PR tree-optimization/68953
29005         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
29006         first to last subscript.
29008 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
29010         PR tree-optimization/70586
29011         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
29012         for any calls.
29014 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
29016         PR lto/70289
29017         PR ipa/70348
29018         PR tree-optimization/70373
29019         PR middle-end/70533
29020         PR middle-end/70534
29021         PR middle-end/70535
29022         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
29023         clauses for acc parallel reductions as necessary.  Error on those
29024         that are private.
29025         * omp-low.c (scan_sharing_clauses): Don't install variables which
29026         are used in acc parallel reductions.
29027         (lower_rec_input_clauses): Remove dead code.
29028         (lower_oacc_reductions): Add support for reference reductions.
29029         (lower_reduction_clauses): Remove dead code.
29030         (lower_omp_target): Don't remap variables appearing in acc parallel
29031         reductions.
29032         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
29034 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
29036         PR middle-end/70593
29037         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
29038         with multiple SSA_NAME defs, force the outputs other than first
29039         to be live before calling live_track_process_def on each output.
29041         PR rtl-optimization/70574
29042         * fwprop.c (forward_propagate_and_simplify): Don't add
29043         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
29044         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
29045         paradoxical subregs within *loc.
29047 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
29049         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
29050         -ftree-parallelize-loops={0,1}.
29051         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
29052         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
29053         * config/ia64/hpux.h (LIB_SPEC): Likewise.
29054         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
29055         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
29057 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
29059         PR sanitizer/70541
29060         * asan.c (instrument_derefs): If we get unknown location, extract it
29061         with EXPR_LOCATION.
29062         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
29064 2016-04-08  Tom de Vries  <tom@codesourcery.com>
29066         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
29067         implicit firstprivate clause.
29069 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29071         PR target/70566
29072         * config/arm/thumb2.md (tst + branch-> lsls + branch
29073         peephole below *orsi_not_shiftsi_si): Require that condition
29074         register is dead after the peephole.
29075         (second peephole after the above): Likewise.
29077 2016-04-08  Alan Modra  <amodra@gmail.com>
29079         PR target/70117
29080         * builtins.c (fold_builtin_classify): For IBM extended precision,
29081         look at just the high-order double to test for NaN.
29082         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
29083         test just the high double for Inf but both doubles for subnormal
29084         limit.
29086 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
29088         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
29089         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
29090         node->simdclone->mask_mode != VOIDmode masks.
29091         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
29092         earlier, use it instead of node->simdclone.
29093         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
29094         Set clonei->mask_mode.
29096 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
29098         PR c/70436
29099         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
29100         Pass it through to cp_parser_already_scoped_statement.
29101         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
29102         it through to cp_parser_statement.
29103         (cp_parser_statement): Pass IF_P through to
29104         cp_parser_iteration_statement.
29105         (cp_parser_pragma): Adjust call to
29106         cp_parser_iteration_statement.
29108 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
29110         PR c/70436
29111         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
29112         resolve a future -Wparentheses warning.
29113         * omp-low.c (scan_sharing_clauses): Likewise.
29114         * tree-parloops.c (eliminate_local_variables): Likewise.
29116 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
29118         PR rtl-optimization/70398
29119         * lra-constraints.c (process_address_1): Check zero scale and code
29120         for reloading with zero scale.
29122 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
29124         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
29125         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
29127 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
29129         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
29130         Add support for AVX512F clones, include them by default for
29131         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
29132         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
29133         up to 128.
29135         PR middle-end/70550
29136         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
29137         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
29138         firstprivate clauses.
29139         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
29140         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
29141         (lower_omp_target): Set TREE_NO_WARNING for
29142         non-addressable possibly uninitialized vars which are copied into
29143         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
29145 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
29147         * config/pa/predicates.md (integer_store_memory_operand): Accept
29148         REG+D operands with a large offset when reload_in_progress is true.
29149         (floating_point_store_memory_operand): Likewise.
29151 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
29153         PR c++/70336
29154         * match.pd (nested int casts): Limit to GIMPLE.
29156 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
29158         PR ipa/66223
29159         * ipa-devirt.c (maybe_record_node): Fix comment; use
29160         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
29162 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
29164         PR rtl-optimization/70542
29165         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
29166         if there are any uses other than insn or debug insns.
29168 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
29169             Jakub Jelinek  <jakub@redhat.com>
29171         PR tree-optimization/70509
29172         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
29173         Shift HOST_WIDE_INT_1U instead of 1.
29175 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
29177         PR tree-optimization/70509
29178         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
29179         of the vector base type for index.
29181 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
29183         PR target/70510
29184         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
29186 2016-04-05  Richard Biener  <rguenther@suse.de>
29188         PR tree-optimization/70526
29189         * tree-sra.c (build_ref_for_offset): Use prev_base to
29190         extract the alias pointer type.
29192 2016-04-05  Richard Biener  <rguenther@suse.de>
29194         * dse.c (struct store_info): Remove alias_set member.
29195         (struct read_info_type): Likewise.
29196         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
29197         spill_deleted, clear_alias_set_lookup): Remove.
29198         (get_group_info): Remove dead base == NULL_RTX case.
29199         (dse_step0): Remove initialization of removed variables.
29200         (delete_dead_store_insn): Reomve alias set dumping.
29201         (free_read_records): Remove alias_set handling.
29202         (canon_address): Remove alias_set_out parameter.
29203         (record_store): Remove spill_alias_set, it's always zero.
29204         (check_mem_read_rtx): Likewise.
29205         (dse_step2): Rename from ...
29206         (dse_step2_nospill): ... this.  Adjust.
29207         (scan_stores): Rename from ...
29208         (scan_stores_nospill): ... this.
29209         (scan_reads): Rename from ...
29210         (scan_reads_nospill): ... this.
29211         (scan_stores_spill, scan_reads_spill): Remove.
29212         (dse_step3_scan): Remove for_spills argument which is always false.
29213         (dse_step3): Likewise.
29214         (dse_step5): Rename from ...
29215         (dse_step5_nospill): ... this.  Remove alias_set handling.
29216         (rest_of_handle_dse): Adjust.
29218 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
29220         PR target/70525
29221         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
29222         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
29223         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
29224         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
29226 2016-04-05  Richard Biener  <rguenther@suse.de>
29228         PR middle-end/70499
29229         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
29230         non-register type temporaries into SSA.
29232 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
29234         PR ipa/66223
29235         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
29236         calls when sanitizing.
29237         (possible_polymorphic_call_target_p): Fix formatting.
29239 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
29240             Jakub Jelinek  <jakub@redhat.com>
29242         PR middle-end/70457
29243         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
29244         to ensure a call statement is compatible with a built-in's
29245         prototype.
29246         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
29247         Likewise.
29249 2016-04-04  Richard Biener  <rguenther@suse.de>
29251         PR rtl-optimization/70484
29252         * rtl.h (canon_output_dependence): Declare.
29253         * alias.c (canon_output_dependence): New function.
29254         * dse.c (record_store): Use canon_output_dependence rather
29255         than canon_true_dependence.
29257 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
29259         PR ipa/68881
29260         * cgraph.h (symtab_node::copy_visibility_from): New function.
29261         * symtab.c (symtab_node::copy_visibility_from): New function.
29262         * ipa-visibility.c (optimize_weakref): New function.
29263         (function_and_variable_visibility): Use it.
29265 2016-04-04  Martin Liska  <mliska@suse.cz>
29267         PR hsa/70402
29268         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
29269         value that is really in range handled by SBR instruction.
29270         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
29271         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
29272         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
29274 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
29276         PR target/70416
29277         PR target/67391
29278         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
29279         set, but not for SP_REG operands.
29281 2016-04-02  Martin Sebor  <msebor@redhat.com>
29283         PR c++/67376
29284         * fold-const.c (maybe_nonzero_address): New function.
29285         (fold_comparison): Call it.  Fold equality and relational
29286         expressions involving null pointers.
29287         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
29289 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
29291         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
29292         the "Y" constraint (scalar FP 0.0 immediate).
29294         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
29295         Add the "const_double" to the list of operand constraints.
29297 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
29299         PR rtl-optimization/70467
29300         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
29301         If low word of the last operand is 0, just emit addition/subtraction
29302         for the high word.
29304 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
29306         PR target/70404
29307         * config/s390/s390.c (s390_expand_insv): Check for everything
29308         constant instead of just VOIDmode stuff.
29310 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
29312         PR target/70496
29313         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
29315 2016-04-01  Nathan Sidwell  <nathan@acm.org>
29317         * tree.def (TRY_CATCH_EXPR): Correct documentation.
29319 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
29321         PR rtl-optimization/70461
29322         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
29323         is necessary.
29325 2016-03-31  Martin Liska  <mliska@suse.cz>
29327         PR hsa/70399
29328         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
29329         a tree value or an immediate integer value to a buffer
29330         that is eventually copied to a BRIG section.
29331         (emit_immediate_operand): Call the function here.
29332         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
29333         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
29334         of class' fields that are removed.
29335         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
29336         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
29337         m_brig_repr_size fields.
29339 2016-03-31  Martin Liska  <mliska@suse.cz>
29341         PR hsa/70391
29342         * hsa-gen.c (hsa_function_representation::update_dominance): New
29343         function.
29344         (convert_addr_to_flat_segment): Likewise.
29345         (gen_hsa_memory_set): New alignment argument.
29346         (gen_hsa_ctor_assignment): Likewise.
29347         (gen_hsa_insns_for_single_assignment): Provide alignment
29348         to gen_hsa_ctor_assignment.
29349         (gen_hsa_insns_for_direct_call): Add new argument.
29350         (expand_lhs_of_string_op): New function.
29351         (expand_string_operation_builtin): Likewise.
29352         (expand_memory_copy): New function.
29353         (expand_memory_set): New function.
29354         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
29355         (convert_switch_statements): Change signature.
29356         (generate_hsa): Use a return value of the function.
29357         (pass_gen_hsail::execute): Do not call
29358         convert_switch_statements here.
29359         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
29360         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
29361         (hsa_function_representation::update_dominance): New function.
29363 2016-03-31  Martin Liska  <mliska@suse.cz>
29365         PR hsa/70391
29366         * hsa-brig.c (emit_directive_variable): Emit alignment
29367         according to hsa_symbol::m_align.
29368         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
29369         (dump_hsa_symbol): Dump alignment of HSA symbols.
29370         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
29371         (gen_hsa_addr_with_align): New function.
29372         (hsa_bitmemref_alignment): Use newly added function.
29373         (gen_hsa_insns_for_load): Likewise.
29374         (gen_hsa_insns_for_store): Likewise.
29375         (gen_hsa_memory_copy): New argument added.
29376         (gen_hsa_insns_for_single_assignment): Respect
29377         alignment for assignments processed via gen_hsa_memory_copy.
29378         (gen_hsa_insns_for_direct_call): Likewise.
29379         (gen_hsa_insns_for_return): Likewise.
29380         (gen_function_def_parameters): Set default alignment.
29381         * hsa.c (hsa_object_alignment): New function.
29382         (hsa_byte_alignment): Pasted function.
29383         * hsa.h (hsa_symbol::m_align): New field.
29385 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
29387         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
29388         scratch field for goto case.
29390 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
29392         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
29394 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
29396         PR target/70442
29397         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
29398         (scalar_chain::convert_insn): Call convert_op for reg
29399         moves to handle undefined registers.
29401 2016-03-31  Nathan Sidwell  <nathan@acm.org>
29403         PR c++/70393
29404         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
29405         Assert we don't want to move backwards.
29407 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
29409         PR target/70453
29410         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
29412 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
29414         PR rtl-optimization/70460
29415         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
29416         with operand from REG_LABEL_OPERAND, instead substitute
29417         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
29418         Don't do anything for REG_NON_LOCAL_GOTO jumps.
29420 2016-03-31  Martin Liska  <mliska@suse.cz>
29422         * passes.c (execute_one_pass): Do not call
29423         todo_after for a discarded function.
29425 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
29427         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
29428         (no_cost, infinite_cost): Initialize the new field.
29429         (get_computation_cost_at): Record setup cost.
29430         (determine_use_iv_cost_address): Skip cost computation for sub
29431         uses if we can estimate it without losing accuracy.
29433 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
29435         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
29436         estimates here.
29437         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
29438         max_loop_iterations_int.
29439         (tree_unswitch_outer_loop): Likewise.
29440         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
29441         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
29443 2016-03-30  Richard Biener  <rguenther@suse.de>
29445         PR middle-end/70450
29446         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
29448 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
29450         PR target/70421
29451         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
29452         in gen_blendm expander.
29454 2016-03-30  Nick Clifton  <nickc@redhat.com>
29456         PR target/62254
29457         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
29458         case where we are already provided with an SImode SUBREG.
29460 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
29462         PR target/70439
29463         * config/i386/i386.c (ix86_expand_epilogue): Properly check
29464         conflict between DRAP register and __builtin_eh_return.
29466 2016-03-30  Michael Matz  <matz@suse.de>
29467             Richard Biener  <rguenther@suse.de>
29469         PR ipa/12392
29470         * ipa-polymorphic-call.c (struct type_change_info): Change
29471         speculative to an unsigned allowing to limit the work we do.
29472         (csftc_abort_walking_p): New inline function..
29473         (check_stmt_for_type_change): Limit the number of may-defs
29474         skipped for speculative devirtualization to
29475         max-speculative-devirt-maydefs.
29476         * params.def (max-speculative-devirt-maydefs): New param.
29477         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
29479 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
29481         PR target/63890
29482         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
29483         and TARGET_MACHO.
29485 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
29487         PR tree-optimization/59124
29488         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
29489         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
29491 2016-03-29  Jeff Law  <law@redhat.com>
29493         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
29495 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
29497         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
29498         to HOST_WIDE_INT.
29500 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
29502         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
29503         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
29504         gcrt0.o if linking dynamically.
29506 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
29508         PR ipa/70283
29509         * ipa-devirt.c (methods_equal_p): New function.
29510         (compare_virtual_tables): Use it.
29511         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
29512         * cgraphclones.c (clone_function_name_1): Use
29513         symbol_table::symbol_suffix_separator.
29514         * coverage.c (build_var): Likewise.
29515         * symtab.c (symbol_table::symbol_suffix_separator): New.
29517 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
29519         PR rtl-optimization/70429
29520         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
29521         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
29522         mode != result_mode.
29524         PR c++/70353
29525         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
29527         PR tree-optimization/70405
29528         * ssa-iterators.h (num_imm_uses): Add missing braces.
29530 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
29532         PR rtl-optimization/68695
29533         * ira-color.c (allocno_copy_cost_saving): New.
29534         (improve_allocation): Use it.
29536 2016-03-29  Richard Henderson  <rth@redhat.com>
29538         PR middle-end/70355
29539         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
29541 2016-03-29  Richard Biener  <rguenther@suse.de>
29543         PR middle-end/70424
29544         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
29545         use alignment returned by get_pointer_alignment_1 if it is
29546         bigger than BITS_PER_UNIT.
29547         * builtins.c (get_pointer_alignment_1): Do not return true
29548         for alignment extracted from SSA info.
29550 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
29552         * config/ft32/ft32.opt (mnodiv): New.
29553         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
29554         * doc/invoke.texi (FT32 Options -mnodiv): New.
29556 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
29558         PR target/70406
29559         * config/i386/i386.md (define_split, andn): Fix modes.
29561 2016-03-26  Richard Biener  <rguenther@suse.de>
29562             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
29564         PR ipa/70366
29565         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
29566         instead of
29567         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
29568         as 2nd argument to cl_optimization_restore().
29570 2016-03-25  Richard Henderson  <rth@redhat.com>
29572         PR target/70120
29573         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
29574         * config/aarch64/aarch64-protos.h: Declare it.
29575         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
29577 2016-03-25  Alan Modra  <amodra@gmail.com>
29579         PR target/70052
29580         * config/rs6000/constraints.md (j): Simplify.
29581         * config/rs6000/predicates.md (easy_fp_constant): Exclude
29582         decimal float 0.D.
29583         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
29584         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
29585          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
29586         in all constraint alternatives.
29587         (movtd_64bit_nodm): Delete "j" constraint alternative.
29589 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
29591         * tree-ssa-propagate.c: Enhance docs for
29592         SSA_PROP_NOT_INTERESTING.
29594 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
29596         * doc/extend.texi: Fix typo in documentation to pure attribute.
29598 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
29600         PR target/70319
29601         * config/pa/pa.md (bswapdi2): Use a scratch register.
29603 2016-03-24  Richard Henderson  <rth@redhat.com>
29605         PR middle-end/69845
29606         * fold-const.c (extract_muldiv_1): Correct test for multiplication
29607         overflow.
29609 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
29611         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
29612         using ix86_expand_binary_operator instead of gen_andsi3.
29614 2016-03-24  Richard Biener  <rguenther@suse.de>
29616         PR tree-optimization/70396
29617         * tree-vect-stmts.c (vectorizable_comparison): Use
29618         get_vectype_for_scalar_type.
29620 2016-03-24  Richard Biener  <rguenther@suse.de>
29622         PR middle-end/70370
29623         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
29624         with register bases.
29626 2016-03-24  Richard Biener  <rguenther@suse.de>
29628         PR tree-optimization/70372
29629         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
29630         build_all_ones_cst to also handle vector types correctly.
29632 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
29634         PR target/70381
29635         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
29636         -mfloat128 here.
29638 2016-03-23  Marek Polacek  <polacek@redhat.com>
29640         PR c++/69884
29641         * doc/invoke.texi: Document -Wignored-attributes.
29643 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
29645         PR tree-optimization/69042
29646         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
29647         parameter from 30 to 40.
29649 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
29651         PR tree-optimization/69042
29652         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
29653         for use with constant offset stripped in base.
29655 2016-03-23  Richard Biener  <rguenther@suse.de>
29657         PR middle-end/70251
29658         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
29659         mode compatibility check.
29660         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
29662 2016-03-23  Jeff Law  <law@redhat.com>
29664         PR tree-optimization/64058
29665         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
29666         CONFLICT_COUNT.
29667         (struct ssa_conflicts): Move up earlier in the file.
29668         (conflicts_, var_map_): New static variables.
29669         (initialize_conflict_count): New function to initialize the
29670         CONFLICT_COUNT field for each conflict pair.
29671         (compare_pairs): Lazily initialize the conflict count and use it
29672         as the first tie-breaker.
29673         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
29674         and wipe conflicts_ and map_ around the call to qsort.  Remove
29675         special case for 2 coalesce pairs.
29676         * bitmap.c (bitmap_count_unique_bits): New function.
29677         (bitmap_count_bits_in_word): New function, extracted from
29678         bitmap_count_bits.
29679         (bitmap_count_bits): Use bitmap_count_bits_in_word.
29680         * bitmap.h (bitmap_count_unique_bits): Declare it.
29682 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
29684         PR target/69917
29685         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
29686         transparent alias chain for decl assembler name.
29687         * config/sol2.c (solaris_assemble_visibility): Likewise.
29689 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29691         * config/arm/arm1020e.md (1020call_op): Reduce reservation
29692         duration.
29693         (v10_fdivs): Likewise.
29694         (v10_fdivd): Likewise.
29696 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29698         PR driver/70132
29699         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
29700         to not call fclose twice on file.
29702 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
29704         PR tree-optimization/70354
29705         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
29706         oprnd0 is wider than oprnd1 and there is a cast from the wider
29707         type to oprnd1, mask it with the mask of the narrower type.
29709         PR target/70321
29710         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
29711         Optimize TARGET_STV splitters, if high or low word of last argument
29712         is 0 or -1.
29714 2016-03-22  Jeff Law  <law@redhat.com>
29716         PR target/70232
29717         tree-ssa-threadbackward.c
29718         (fsm_find_control_statement_thread_paths): Correctly distinguish
29719         between old style jump threads vs FSM jump threads.
29721 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
29723         PR target/70302
29724         * config/i386/i386.c (scalar_chain::convert_op): Support
29725         uninitialized register usage case.
29727 2016-03-22  Richard Biener  <rguenther@suse.de>
29729         PR middle-end/70251
29730         * genmatch.c (gen_transform): Adjust last parameter to a three-state
29731         int...
29732         (capture::gen_transform): ... to change behavior when substituting
29733         a condition into cond or not-cond expr context.
29734         (dt_simplify::gen_1): Adjust.
29735         * gimple-match-head.c: Include gimplify.h for unshare_expr.
29736         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
29737         last change and instead change to
29738         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
29739         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
29741 2016-03-22  Anthony Green  <green@moxielogic.com>
29743         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
29744         issue for moxiebox targets.
29745         (CC1PLUS_SPEC): Ditto.
29747 2016-03-22  Richard Biener  <rguenther@suse.de>
29749         PR middle-end/70333
29750         * fold-const.c (extract_muldiv_1): Properly perform multiplication
29751         in the wide type.
29753 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
29755         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
29757 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
29759         PR target/70325
29760         * config/i386/i386.c (def_builtin): Handle
29761         OPTION_MASK_ISA_AVX512VL to be and-ed with other
29762         bits.
29763         (const struct builtin_description bdesc_special_args[]):
29764         Remove duplicate ISA bits.
29766 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
29768         PR target/70329
29769         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
29770         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
29771         in a way that works also for AVX512BW.
29773         PR target/70300
29774         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
29775         instead of source if operands[1] is xmm16 and above and
29776         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
29777         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
29779         PR c++/70295
29780         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
29781         on assign if (*from_p) is a comparison, set it to
29782         TREE_NO_WARNING (*from_p).
29784 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
29786         PR middle-end/70326
29787         * lra.c (restore_scratches): Ignore deleted insns.
29789 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
29790             Jakub Jelinek  <jakub@redhat.com>
29792         PR tree-optimization/70317
29793         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
29794         to HONOR_NANS.
29796 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
29798         PR target/70327
29799         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
29800         of ix86_expand_move.
29801         (movoi): Ditto.
29802         (movti): Use general_operand for operand 1 predicate.
29804 2016-03-21  Martin Liska  <mliska@suse.cz>
29806         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
29807         insns.
29808         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
29810 2016-03-21  Martin Liska  <mliska@suse.cz>
29812         PR ipa/70306
29813         * ipa-icf.c (sem_function::parse): Skip static
29814         constructors and destructors.
29816 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
29818         PR target/70296
29819         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
29820         function-like macro, peek following token(s) if it is followed
29821         by CPP_OPEN_PAREN token with optional padding in between, and
29822         if not, don't treat it like a macro.
29824 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
29825             Alexander Monakov  <amonakov@ispras.ru>
29827         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
29828         for the stabs debug format.
29830 2016-03-21  Richard Biener  <rguenther@suse.de>
29832         PR tree-optimization/70310
29833         * tree-vect-generic.c (expand_vector_condition): Fold the built
29834         condition.
29836 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
29838         PR target/70293
29839         * config/i386/sse.md (define_insn "*vec_dup<mode>"/AVX2):
29840         Block third alternative for AVX-512VL target,
29842 2016-03-21  Martin Liska  <mliska@suse.cz>
29844         PR hsa/70234
29845         * hsa-brig.c (emit_function_directives): Mark unemitted
29846         global variables for emission.
29847         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
29848         (get_symbol_for_decl): Likewise.
29849         * hsa.h (struct hsa_symbol): New flag.
29851 2016-03-21  Richard Biener  <rguenther@suse.de>
29853         PR tree-optimization/70288
29854         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
29855         we do not estimate unsimplified all-constant conditionals or
29856         switches as optimized away.
29858 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
29860         PR rtl-optimization/69102
29861         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
29862         when we have a readonly dependency context.
29864 2016-03-18  Jeff Law  <law@redhat.com>
29866         PR rtl-optimization/70263
29867         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
29868         (update_equiv_regs): When trying to move a store to after the insn
29869         that sets the source of the store, make sure the store occurs after
29870         the insn that sets the source of the store.  When successful note
29871         the REG_EQUIV note created in the dump file.
29873 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
29874             Bernd Schmidt  <bschmidt@redhat.com>
29876         * doc/extend.texi: Document more potential problems with basic asms.
29878 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
29880         PR rtl-optimization/70278
29881         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
29882         VOIDmode.
29884 2016-03-18  Jason Merrill  <jason@redhat.com>
29886         * calls.c (load_register_parameters): Fix zero size sibcall logic.
29888 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
29890         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
29891         values to 128b regs.
29893 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
29895         PR tree-optimization/70252
29896         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
29897         boolean vector has a proper number of elements.
29898         (supportable_narrowing_operation): Likewise.
29900 2016-03-18  Tom de Vries  <tom@codesourcery.com>
29902         PR ipa/70269
29903         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
29905 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
29907         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
29908         instead of replace_rtx for DEBUG_INSNs.
29910 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
29912         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
29913         load type reservations.
29915 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
29917         PR target/70188
29918         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
29919         define_constraint for "Q" and "T" constraints.
29921 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
29923         Tweak the pipeline model for Exynos M1
29925         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
29926         model.
29928 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
29930         PR c/70264
29931         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
29932         where one or both locations aren't within a line_map.
29934 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
29936         PR driver/70192
29937         * opts.c (finish_options): Don't set flag_pie to the default if
29938         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
29939         if it is -1.
29941 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
29943         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
29944         true as ALL_REGS argument to replace_rtx.
29946 2016-03-17  Richard Biener  <rguenther@suse.de>
29948         PR debug/70271
29949         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
29950         last.
29952 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
29954         PR target/70245
29955         * rtl.h (replace_rtx): Add ALL_REGS argument.
29956         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
29957         equality and assert mode is the same, instead of just rtx pointer
29958         equality.
29959         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
29960         true as ALL_REGS argument to replace_rtx.
29962 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
29964         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
29965         for boolean vector with vector mode only.
29966         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
29968 2016-03-17  Nick Clifton  <nickc@redhat.com>
29970         PR target/70162
29971         * config/rx/rx.c (rx_print_integer): Print negative constants in
29972         decimal.
29974 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
29976         PR target/70261
29977         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
29979 2016-03-16  Richard Henderson  <rth@redhat.com>
29980             Richard Biener  <rguenth@suse.de>
29982         PR middle-end/70240
29983         PR middle-end/68215
29984         PR tree-opt/68714
29985         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
29986         first operand as is_gimple_condexpr.
29988         PR middle-end/70240
29989         PR middle-end/68215
29990         Revert r231575
29991         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
29992         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
29993         Do not gimplify the result.
29994         (do_unop): Adjust call to tree_vec_extract.
29995         (do_binop): Likewise.
29996         (do_compare): Likewise.
29997         (do_plus_minus): Likewise.
29998         (do_negate): Likewise.
29999         (expand_vector_condition): Likewise.
30000         (do_cond): Likewise.
30002 2016-03-16  Richard Henderson  <rth@redhat.com>
30004         PR target/70048
30005         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
30006         (aarch64_classify_address): Use it.
30007         (aarch64_legitimize_address): Force all subexpressions of PLUS
30008         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
30010 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
30011             Richard Biener  <rguenth@suse.de>
30013         PR target/70245
30014         * rtlanal.c (replace_rtx): For REG, if from is a REG,
30015         return to even if only REGNO is equal, and assert
30016         mode is the same.
30018 2016-03-11  Jeff Law  <law@redhat.com>
30020         PR rtl-optimization/70224
30021         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
30023 2016-03-16  Richard Henderson  <rth@redhat.com>
30025         PR middle-end/70199
30026         * function.h (struct function): Add has_forced_label_in_static.
30027         * gimplify.c (force_labels_r): Set it.
30028         * lto-streamer-in.c (input_struct_function_base): Read it.
30029         * lto-streamer-out.c (output_struct_function_base): Write it.
30030         * tree-inline.c (has_label_address_in_static_1): Remove.
30031         (copy_forbidden): Remove fndecl parameter; test
30032         has_forced_label_in_static.
30033         (inline_forbidden_p): Update call to copy_forbidden.
30034         (tree_versionable_function_p): Likewise.
30035         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
30036         (chkp_versioning): Likewise.
30037         * tree-inline.h (copy_forbidden): Update decl.
30039 2016-03-16  Marek Polacek  <polacek@redhat.com>
30041         PR c/70093
30042         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
30043         function being thunked if the result type doesn't have fixed size.
30044         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
30045         doesn't have fixed size.
30047 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
30049         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
30050         reporting malformed loop nest.
30052 2016-03-16  Tom de Vries  <tom@codesourcery.com>
30054         PR lto/70187
30055         * ipa-devirt.c (possible_polymorphic_call_targets): Move
30056         nodes.length () == 1 test to before first nodes[0] access.
30058 2016-03-16  Tom de Vries  <tom@codesourcery.com>
30060         PR tree-optimization/68715
30061         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
30062         single_pred_p test.
30064 2016-03-16  Tom de Vries  <tom@codesourcery.com>
30066         PR tree-optimization/68809
30067         * graphite-scop-detection.c (same_close_phi_node): Test if result types
30068         are the same.
30070 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
30071             Sandra Loosemore  <sandra@codesourcery.com>
30073         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
30074         on leaf attribute. Mention ELF interposition problems.
30076 2016-03-16  Alan Modra  <amodra@gmail.com>
30078         PR rtl-optimization/69195
30079         PR rtl-optimization/47992
30080         * ira.c (indirect_jump_optimize): Ignore artificial defs.
30081         Add comments.
30083 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
30085         PR bootstrap/69513
30086         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
30088 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
30090         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
30092 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
30094         PR rtl-optimization/70222
30095         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
30096         optimization if mode is different from result_mode, queue up masking
30097         of the result in outer_op.  Formatting fix.
30099         PR middle-end/70239
30100         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
30101         of safe_grow.
30103 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
30105         PR rtl-optimization/69032
30106         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
30107         looping backwards over basic block insns.
30109 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
30111         PR target/66660
30112         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
30113         to non-speculative when propagating trap bits.
30115 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
30117         PR rtl-optimization/63384
30118         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
30119         DEBUG_INSN_P insns.
30121 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
30123         PR target/64411
30124         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
30125         factored out from ...
30126         (sched_analyze_insn): ... here.
30127         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
30128         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
30129         get_implicit_reg_pending_clobbers in it.
30130         (setup_id_reg_sets): Use setup_id_implicit_regs.
30131         (deps_init_id): Ditto.
30133 2016-03-15  Tom de Vries  <tom@codesourcery.com>
30135         PR ipa/70161
30136         * cgraph.c (cgraph_node::get_body): Save, reset and restore
30137         dump_file_name.
30138         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
30139         execute_function_dump.
30140         (execute_one_pass): Don't dump function if it will be dumped after ipa
30141         transform.
30143 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
30145         * genrecog.c (match_pattern_2): If pred is NULL don't call
30146         safe_predicate_mode on it.
30148 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
30150         PR middle-end/70219
30151         * lra-constraints.c (delete_move_and_clobber): Change assertion
30152         to also allow dregno == 0.
30154 2016-03-14  Richard Henderson  <rth@redhat.com>
30156         PR tree-opt/68714
30157         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
30158         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
30159         (reassociate_bb): Use optimize_vec_cond_expr; avoid
30160         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
30161         on vectors.
30163 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
30165         PR target/70083
30166         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
30167         regs.
30168         (lra_create_live_ranges_1): initialize hard register biggest_mode to
30169         VOIDmode.
30170         * lra-constraints.c (split_reg): For hard regs, try to find the
30171         biggest single-register mode used in the function.
30173 2016-03-14  Richard Biener  <rguenther@suse.de>
30175         PR tree-optimization/56365
30176         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
30177         constants to compare against.
30179 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
30181         PR target/70098
30182         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
30183         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
30184         (define_split for the GPR case): Use int_reg_operand instead of
30185         gpc_reg_operand for the output.
30187 2016-03-14  Tom de Vries  <tom@codesourcery.com>
30189         PR tree-optimization/70045
30190         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
30191         create_empty_if_region_on_edge argument.
30193 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
30195         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
30196         (STACK_CHECK_PROTECT): Likewise.
30197         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
30198         (STACK_CHECK_PROTECT): Likewise.
30199         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
30200         (STACK_CHECK_PROTECT): Likewise.
30201         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
30202         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
30203         (STACK_CHECK_PROTECT): Likewise.
30205 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
30207         PR rtl-optimization/69307
30208         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
30209         registers in modes that span more than one register.
30211 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
30213         PR target/69614
30214         * lra-constraints.c (delete_move_and_clobber): New.
30215         (remove_inheritance_pseudos): Use it.
30217 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
30219         PR ada/70017
30220         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
30221         the libcall is LCT_THROW.
30222         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
30223         for the checking routine.
30225 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
30227         PR target/70131
30228         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
30229         optimization if we have direct move.
30230         (roundu32<mode>2_fprs): Likewise.
30232 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
30234         PR target/70123
30235         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
30236         be rematerialized.
30237         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
30238         Arguments swapped.  All callers changed.  Take reg_renumber into
30239         account, and Calculate and compare register ranges for hard regs.
30241 2016-03-11  Jeff Law  <law@redhat.com>
30243         PR tree-optimization/70190
30244         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
30245         Handle cases where we can not extract the taken edge, even though we
30246         found a constant value.
30248         PR tree-optimization/64058
30249         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
30250         (num_coalesce_pairs): Move up earlier in file.
30251         (find_coalesce_pair): Initialize the INDEX field for each pair
30252         discovered.
30253         (compare_pairs): No longer sort on the elements in each pair.
30254         Instead break ties with the index of the coalesce pair.
30256 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
30258         PR target/70002
30259         * config/aarch64/aarch64-protos.h
30260         (aarch64_save_restore_target_globals): New prototype.
30261         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
30262         Call the above when popping pragma.
30263         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
30264         New function.
30265         (aarch64_set_current_function): Rewrite using the above.
30267 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
30269         PR tree-optimization/70177
30270         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
30271         (extract_ops_from_tree): ... this.  In the 2 argument
30272         overload remove _1 suffix.
30273         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
30274         (extract_ops_from_tree): ... this.
30275         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
30276         Adjust callers.
30277         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
30278         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
30279         extract_ops_from_tree instead of 2 operand one.
30281 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
30283         PR tree-optimization/70013
30284         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
30285         for constant-pool entries.
30287 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
30289         PR rtl-optimization/70174
30290         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
30291         followed by gen_lowpart on force_reg instead of just gen_lowpart.
30293         PR tree-optimization/70169
30294         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
30295         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
30296         for unknown codes.
30298 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
30299             Jakub Jelinek  <jakub@redhat.com>
30301         PR target/70160
30302         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
30303         of uninitialized values.
30305 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30307         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
30308         define_expand.
30309         ("*trunctddd2"): New pattern definition.
30310         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
30311         TD->DD truncation.
30313 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30315         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
30316         definitions for BFP and DFP rounding modes.
30317         ("fixuns_truncdddi2", "fixuns_trunctddi2")
30318         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
30319         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
30320         ("fix_trunctf<mode>2"): Use the new constants instead of magic
30321         numbers.
30323 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30325         * config/s390/constraints.md: Adjust comment.
30326         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
30327         s390_decompose_addrstyle_without_index.
30328         * config/s390/predicates.md (shift_count_or_setmem_operand):
30329         Rename to setmem_operand.
30330         * config/s390/s390-protos.h
30331         (s390_decompose_shift_count): Rename to
30332         s390_decompose_addrstyle_without_index.
30333         * config/s390/s390.c (s390_decompose_shift_count)
30334         (s390_mem_constraint, print_shift_count_operand)
30335         (print_operand_address, print_operand): Rename
30336         s390_decompose_shift_count to
30337         s390_decompose_addrstyle_without_index and rename
30338         print_shift_count_operand to print_addrstyle_operand troughout the
30339         file.
30340         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
30341         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
30342         Rename shift_count_or_setmem_operand to setmem_operand.
30343         * config/s390/vx-builtins.md ("vec_insert<mode>")
30344         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
30345         nonmemory_operand.
30347 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30349         PR target/70168
30350         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
30351         Handle overlapping retval and newval.
30353 2016-03-10  Nick Clifton  <nickc@redhat.com>
30355         PR target/7044
30356         * config/aarch64/aarch64.c
30357         (aarch64_override_options_after_change_1): When forcing
30358         flag_omit_frame_pointer to be true, use a special value that can
30359         be detected if this function is called again, thus preventing
30360         flag_omit_leaf_frame_pointer from being forced to be false.
30362 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
30364         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
30365         Set x_flag_omit_leaf_frame_pointer when handling
30366         -momit-leaf-frame-pointer.
30368 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
30370         PR lto/69589
30371         * cgraph.c (cgraph_node::dump): Dump split_part and
30372         indirect_call_target.
30373         * cgraph.h (cgraph_node): Add indirect_call_target flag.
30374         * ipa.c (has_addr_references_p): Cleanup.
30375         (is_indirect_call_target_p): New.
30376         (walk_polymorphic_call_targets): Do not mark virtuals that may be
30377         called indirectly as local.
30378         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
30380 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
30382         PR ipa/69630
30383         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
30384         on cxa_pure_virtual.
30386 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
30388         PR lto/69589
30389         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
30391 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
30393         PR lto/69589
30394         * tree.c (need_assembler_name_p): Only record main variant type names.
30396 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
30398         PR target/70113.
30399         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
30400         Always define to 0 or 1.
30401         (TARGET_FIX_ERR_A53_843419): New macro.
30402         * config/aarch64/aarch64-elf-raw.h
30403         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
30404         * config/aarch64/aarch64-linux.h: Likewise.
30405         * config/aarch64/aarch64.c
30406         (aarch64_override_options_after_change_1): Do not default
30407         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
30408         843419 is on.
30409         (aarch64_attributes): Handle fix-cortex-a53-843419.
30410         (aarch64_can_inline_p): Likewise.
30411         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
30413 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
30414             Jakub Jelinek  <jakub@redhat.com>
30416         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
30417         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
30418         DECL_COMMONS if flag_unconstrained_commons is set.
30419         * tree-dfa.c (get_ref_base_and_extent): Likewise.
30420         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
30421         (funconstrained-commons): Document.
30423 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
30425         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
30426         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
30428 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
30430         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
30431         has a proper number of elements.
30433 2016-03-10  Alan Modra  <amodra@gmail.com>
30435         PR rtl-optimization/69195
30436         PR rtl-optimization/47992
30437         * ira.c (recorded_label_ref): Delete.
30438         (update_equiv_regs): Return void.
30439         (indirect_jump_optimize): New function.
30440         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
30441         before regstat_compute_ri.  Don't rebuild_jump_labels here.
30442         Delete update_regstat.
30444 2016-03-10  Richard Biener  <rguenther@suse.de>
30446         PR tree-optimization/70128
30447         * tree-ssa-structalias.c (set_uids_in_ptset): Set
30448         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
30450 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
30452         PR tree-optimization/70152
30453         * tree-sra.c (replace_removed_params_ssa_names): Copy over
30454         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
30456         PR target/70086
30457         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
30458         instead of gen_sse2_loadlpd.
30459         * config/i386/sse.md (*vec_concatv2df): Rename to...
30460         (vec_concatv2df): ... this.
30462         PR tree-optimization/70127
30463         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
30465 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
30467         PR c/68473
30468         PR c++/70105
30469         * diagnostic-show-locus.c (compatible_locations_p): New function.
30470         (layout::layout): Sanitize ranges using compatible_locations_p.
30472 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
30474         PR c/68473
30475         PR c++/70105
30476         * diagnostic-show-locus.c (layout_range::layout_range): Replace
30477         location_range param with three const expanded_locations * and a
30478         bool.
30479         (layout::layout): Replace call to
30480         rich_location::lazily_expand_location with get_expanded_location.
30481         Extract the range and perform location expansion here, passing
30482         the results to the layout_range ctor.
30483         * diagnostic.c (source_range::debug): Delete.
30484         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
30485         of rich_location::get_expanded_location.
30486         * gcc-rich-location.c (get_range_for_expr): Delete.
30487         (gcc_rich_location::add_expr): Reimplement to avoid the
30488         rich_location::add_range overload that took a location_range,
30489         passing a location_t instead.
30491 2016-03-09  Richard Biener  <rguenther@suse.de>
30492         Jakub Jelinek  <jakub@redhat.com>
30494         PR tree-optimization/70138
30495         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
30496         Also skip vect_double_reduction_def.
30498 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
30500         PR target/70049
30501         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
30502         if the operand is "m".
30504 2016-03-09  Nathan Sidwell  <nathan@acm.org>
30506         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
30508 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
30510         * config/i386/i386.c (processor_target_table): Fix cost table
30511         intialization order for znver1.
30513 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
30515         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
30516         - becuase -> because.
30517         * ipa-reference.c (ignore_module_statics): Likewise.
30518         * cgraph.c (cgraph_node::get_body): Likewise.
30519         * ipa-inline.c (early_inliner): Likewise.
30520         * ipa-devirt.c (types_same_for_odr): Likewise.
30521         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
30522         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
30524 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
30526         * tree-ssa-math-opts.c: Fix typo in comment.
30528 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
30530         PR target/70110
30531         * config/i386/i386.c (scalar_chain::make_vector_copies,
30532         scalar_chain::convert_reg): Call end_sequence in between
30533         get_insns and emit_conversion_insns rather than after both
30534         calls.
30536 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
30538         PR target/70064
30539         * config/i386/i386.h (machine_function): Add
30540         pc_thunk_call_expanded flag.
30541         (ix86_pc_thunk_call_expanded): New define.
30542         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
30543         (*set_got): Rename insn pattern from set_got.
30544         (*set_got_labelled): Rename inst pattern from set_got_labelled.
30545         * config/i386/i386.c (ix86_compute_frame_layout): Use
30546         ix86_pc_thunk_call_expanded to prevent red-zone.
30548 2016-03-07  Martin Jambor  <mjambor@suse.cz>
30550         * hsa.h (hsa_get_ctor_statements): Declare.
30551         (hsa_get_dtor_statements): Likewise.
30552         (hsa_get_kernel_dispatch_type): Likewise.
30553         * hsa.c (hsa_get_ctor_statements): New function.
30554         (hsa_get_dtor_statements): Likewise.
30555         (hsa_get_kernel_dispatch_type): Likewise.
30556         * hsa-brig.c (hsa_cdtor_statements): Removed.
30557         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
30558         hsa_get_dtor_statements.
30559         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
30560         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
30562 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
30564         * config/arm/arm-cores.def (cortex-r8): New.
30565         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
30566         * config/arm/arm-tune.md: Likewise.
30567         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
30569 2016-03-07  Martin Sebor  <msebor@redhat.com>
30571         PR rtl-optimization/19705
30572         * doc/invoke.texi (Options That Control Optimization): Clarify
30573         -fno-branch-count-reg.
30575 2016-02-26  Richard Biener  <rguenther@suse.de>
30576             Jeff Law  <law@redhat.com>
30578         PR tree-optimization/69740
30579         * cfghooks.c (remove_edge): Request loop fixups if we delete
30580         an edge that might turn an irreducible loop into a natural
30581         loop.
30582         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
30583         Move after definition of loops_state_clear.
30585 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
30587         PR rtl-optimization/69052
30588         * rtlanal.c (commutative_operand_precedence): Set higher precedence
30589         to CONST_WIDE_INT.
30591 2016-03-07  Tom de Vries  <tom@codesourcery.com>
30593         PR tree-optimization/70116
30594         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
30595         is_tm_ending stmts and ubsan/asan internal functions.
30596         (find_duplicate): Use it.  Don't test is_tm_ending here.
30598 2016-03-07  Richard Biener  <rguenther@suse.de>
30600         PR tree-optimization/70115
30601         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
30602         (propagate_constants_for_unrolling): Use replace_uses_by.
30604 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
30606         PR middle-end/69916
30607         * omp-low.c (struct oacc_loop): Add ifns.
30608         (new_oacc_loop_raw): Initialize it.
30609         (finish_oacc_loop): Clear mask & flags if no ifns.
30610         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
30611         (oacc_loop_xform_loop): Add ifns arg & adjust.
30612         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
30614 2016-03-07  Richard Henderson  <rth@redhat.com>
30616         PR rtl-opt/70061
30617         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
30618         (insert_value_copy_on_edge): Likewise.
30620 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
30622         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
30624 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30626         PR target/62281
30627         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
30629 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
30631         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
30633 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
30635         Fix sseimul type attribute.
30636         * config/i386/znver1.md
30637         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
30638         znver1_sseimul_avx256_load) : Fix the type attribute.
30639         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
30640         pipe usage and latency.
30642 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
30644         PR c++/70084
30645         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
30646         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
30647         to the right type.
30649 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
30651         PR c/69973
30652         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
30654         PR rtl-optimization/69941
30655         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
30656         the reg share its mode.
30658 2016-03-04  Jeff Law  <law@redhat.com>
30660         PR tree-optimization/69196
30661         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
30662         If the both SSA_NAMEs are anonymous, then consider them unassociated
30663         and include the PHI in the statement count.
30665 2016-03-05  Tom de Vries  <tom@codesourcery.com>
30667         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
30668         construct in oacc routine.  Check for oacc region in oacc routine.
30670 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
30672         PR target/70062
30673         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
30674         2016-02-22 changes, instead don't recurse if RECUR is already true.
30675         Don't change *dynamic_check if RECUR.  Adjust recursive caller
30676         to pass true to the new argument.
30677         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
30679         PR target/70059
30680         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
30681         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
30682         fixes.
30683         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
30685 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
30687         PR rtl-optimization/57676
30688         * lra-assigns.c (lra_assign): Guard test for maximum iterations
30689         with flag_checking.
30691 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
30693         * tree-vect-patterns.c (search_type_for_mask): Handle
30694         comparison of booleans.
30696 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
30698         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
30699         Fix @xref usage.
30701         PR debug/69947
30702         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
30703         all other ops that have dw_val_class_die_ref operands,
30704         and DW_OP_GNU_entry_value.
30706 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
30708         PR rtl-optimization/69904
30709         * config/arm/arm.c (arm_cannot_copy_insn_p):
30710         Return true for load-exclusive instructions.
30712 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
30714         PR target/70021
30715         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
30716         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
30717         the pattern no matter if it is used just by non-pattern, pattern
30718         or mix thereof.
30719         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
30720         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
30721         oprnd1 def_stmt is in pattern, don't look through it.
30723 2016-03-03  Marek Polacek  <polacek@redhat.com>
30725         PR middle-end/70050
30726         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
30728 2016-03-03  Martin Liska  <mliska@suse.cz>
30730         PR tree-optimization/70043
30731         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
30732         previous statement if we see a debug statement.
30734 2016-03-03  Richard Biener  <rguenther@suse.de>
30736         PR tree-optimization/55936
30737         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
30738         parameter and guard unsafe equivalence use.
30739         (vrp_evaluate_conditional_warnv_with_ops): Always use
30740         safe equivalences but not via the quadratic compare_names
30741         helper.
30743 2016-03-03  Michael Collison  <michael.collison@linaro.org>
30745         PR target/70014
30746         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
30747         for operand 1 to s_register_operand. Change predicate for operand
30748         2 to arm_not_immediate_operand.
30750 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
30752         * doc/tm.texi: Regenerated.
30754 2016-03-02  Richard Henderson  <rth@redhat.com>
30756         PR rtl-opt/67145
30757         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
30758         simplification when all args are positive non-fixed registers.
30760 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
30762         * target.def (lra_p): Specify that new ports should use LRA.
30764 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
30766         PR libgomp/69555
30767         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
30768         gimplify_type_sizes the type they refer to.
30769         (omp_notice_variable): Handle reference vars to VLAs.
30770         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
30771         reference to VLA decls in the second pass instead of first pass.
30773 2016-03-02  Tom de Vries  <tom@codesourcery.com>
30775         PR tree-optimization/68659
30776         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
30777         new_expr == NULL_TREE.
30778         (get_new_name): Handle ADDR_EXPR.
30780 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
30782         PR rtl-optimization/69052
30783         * loop-invariant.c (canonicalize_address): New function.
30784         (inv_can_prop_to_addr_use): Check validity of address expression
30785         which is canonicalized by above function.
30787 2016-03-02  Alan Modra  <amodra@gmail.com>
30789         PR ipa/69990
30790         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
30791         larger alignment.
30793 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
30795         PR target/70028
30796         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
30797         (*movhi_internal): Put mask moves from and to memory separately
30798         from moves from/to GPRs.
30800 2016-03-02  Richard Biener  <rguenther@suse.de>
30802         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
30803         GENERIC expressions in GIMPLE.
30805 2016-03-02  Richard Biener  <rguenther@suse.de>
30807         * config/i386/i386.c (type_natural_mode): Fix typo.
30809 2016-03-02  Nick Clifton  <nickc@redhat.com>
30811         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
30813 2016-03-02  Richard Biener  <rguenther@suse.de>
30814             Uros Bizjak  <ubizjak@gmail.com>
30816         PR target/67278
30817         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
30819 2016-03-02  Richard Biener  <rguenther@suse.de>
30821         PR middle-end/67278
30822         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
30824 2016-03-02  Marek Polacek  <polacek@redhat.com>
30826         PR c/67854
30827         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
30828         "is promoted to" warning.
30830 2016-03-01  DJ Delorie  <dj@redhat.com>
30832         * config.gcc: Deprecate mep-*.
30834 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
30836         PR middle-end/70025
30837         * lra-constraints.c (regno_val_use_in): New.
30838         (match_reload): Use it instead of regno_use_in.
30840 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
30842         PR rtl-optimization/70007
30843         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
30844         references present in REG_EQUAL notes attached to non-SET patterns.
30846 2016-03-01  Jeff Law  <law@redhat.com>
30848         PR tree-optimization/69196
30849         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
30850         Appropriately clamp the number of statements to copy when the
30851         thread path does not traverse a loop backedge.
30853         PR tree-optimization/69196
30854         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
30855         Do count some PHIs in the thread path against the insn count.  Decrease
30856         final statement count by one as the control statement in the last
30857         block will get removed.  Remove special cased code for handling PHIs
30858         in the last block.
30860 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
30862         PR target/70027
30863         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
30864         asm dialect alternatives to explicit GOTPCREL calls.
30866 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
30868         PR ada/70017
30869         * ira.c (do_reload): Issue warning for generic stack checking here...
30870         * reload1.c (reload): ...instead of here and streamline it.
30872 2016-03-01  Nick Clifton  <nickc@redhat.com>
30874         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
30876 2016-03-01  Richard Biener  <rguenther@suse.de>
30878         PR tree-optimization/69983
30879         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
30880         types and fall back to operand_equal_p.
30882 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30884         Revert
30885         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30887         * config/s390/constraints.md ("jm8"): New constraint.
30888         * config/s390/predicates.md ("const_int_8bitset_operand"): New
30889         predicate.
30890         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
30891         into ...
30892         ("*setmem_long<setmem_and>"): New pattern.
30893         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
30894         into ...
30895         ("*setmem_long_31z<setmem_and>"): New pattern.
30896         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
30897         New substitution rules with the required attributes.
30900 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30902         Revert
30903         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30905         * gensupport.c (process_substs_on_one_elem): Split loop to
30906         complete mark_operands_used_in_match_dup on all expressions in the
30907         vector first.
30908         (adjust_operands_numbers): Inline into process_substs_on_one_elem
30909         and remove function.
30911 2016-03-01  Richard Biener  <rguenther@suse.de>
30913         PR middle-end/70022
30914         * fold-const.c (fold_indirect_ref_1): Fix range checking for
30915         vector BIT_FIELD_REF extract.
30917 2016-03-01  Richard Biener  <rguenther@suse.de>
30919         PR tree-optimization/69994
30920         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
30922 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
30924         PR tree-optimization/69956
30925         * tree-vect-stmts.c (supportable_widening_operation): Support
30926         multi-step conversion of boolean vectors.
30927         (supportable_narrowing_operation): Likewise.
30929 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30931         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
30932         anymore.
30934 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30936         * config/s390/subst.md (DSI_VI): New mode iterator.
30937         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
30938         * config/s390/vector.md ("vec_set<mode>"): Move expander before
30939         the insn definition.
30940         ("*vec_set<mode>"): Change predicate and add alternative to
30941         support only either register or const_int operands as element
30942         selector.
30943         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
30944         operands.
30945         ("vec_extract<mode>"): New expander.
30946         ("*vec_extract<mode>"): New insn definition supporting reg and
30947         const_int element selectors.
30948         ("*vec_extract<mode>_plus"): New insn definition supporting
30949         reg+const_int element selectors.
30950         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
30951         following expander+insn definition.
30952         ("<vec_shifts_name><mode>3"): New expander.
30953         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
30955 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30957         * config/s390/s390.md ("*tabort_1"): Change predicate to
30958         nonmemory_operand.  Add a second alternative to cover
30959         register as well as const int operands.
30960         ("*tabort_1_plus"): New pattern definition.
30962 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30964         * config/s390/s390.md ("*ashrdi3_cc_31")
30965         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
30966         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
30967         Merge insn definitions into ...
30968         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
30969         New pattern definition.
30970         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
30971         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
30972         ("*ashr<mode>3_and"): Merge insn definitions into ...
30973         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
30974         New pattern definition.
30975         * config/s390/subst.md ("addr_style_op_cc_subst")
30976         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
30977         substitutions patterns plus attributes.
30978         Add ashiftrt to SUBST iterator.
30980 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30982         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
30983         op2 to nonmemory_operand.
30984         ("*<shift>di3_31", "*<shift>di3_31_and"):
30985         Merge into single pattern definition ...
30986         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
30987         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
30988         pattern definition ...
30989         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
30990         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
30991         iterator.
30993 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
30995         * config/s390/predicates.md (const_int_6bitset_operand): New
30996         predicate.
30997         * config/s390/s390.md: Include subst.md.
30998         ("rotl<mode>3"): New expander.
30999         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
31000         ...
31001         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
31002         * config/s390/subst.md: New file.
31004 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31006         * config/s390/s390.md ("op_type", "atype", "length" attributes):
31007         Remove RRR type.  It doesn't really exist.
31008         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
31009         attributes.
31010         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
31011         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
31012         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
31013         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
31014         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
31015         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
31016         `enabled' attribute.
31018 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31020         * gensupport.c (process_substs_on_one_elem): Split loop to
31021         complete mark_operands_used_in_match_dup on all expressions in the
31022         vector first.
31023         (adjust_operands_numbers): Inline into process_substs_on_one_elem
31024         and remove function.
31026 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
31028         PR target/69706
31029         * config/sparc/sparc.c (NWORDS_UP): Rename to...
31030         (CEIL_NWORDS): ...this.  Use CEIL macro.
31031         (compute_fp_layout): Adjust to above renaming.
31032         (function_arg_union_value): Likewise.
31033         (sparc_arg_partial_bytes): Likewise.
31034         (sparc_function_arg_advance): Likewise.
31036 2016-02-29  Jeff Law  <law@redhat.com>
31038         PR tree-optimization/70005
31039         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
31040         where an object with a boolean range is compared against a value
31041         outside [0..1].
31043         PR tree-optimization/69999
31044         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
31045         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
31046         loop cleanups.
31048 2016-02-29  Richard Biener  <rguenther@suse.de>
31050         PR tree-optimization/69994
31051         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
31052         (get_unary_op): Look through nop conversions.
31053         (ops_equal_values_p): New function, look for equality diregarding
31054         nop conversions.
31055         (eliminate_plus_minus_pair): Use ops_equal_values_p
31056         (repropagate_negates): Do not use get_unary_op here.
31058 2016-02-29  Martin Liska  <mliska@suse.cz>
31060         * system.h: Poison ENABLE_CHECKING macro.
31062 2016-02-29  Martin Liska  <mliska@suse.cz>
31064         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
31065         is presented in dump flags.
31066         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
31067         (hsa_regalloc): Likewise.
31069 2016-02-19  Richard Biener  <rguenther@suse.de>
31071         PR tree-optimization/69980
31072         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
31073         permutation of those we need to keep.
31075 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
31077         PR target/69706
31078         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
31079         (NWORDS_UP): ...this
31080         (init_cumulative_args): Minor tweaks.
31081         (sparc_promote_function_mode): Likewise.
31082         (scan_record_type): Delete.
31083         (traverse_record_type): New function template.
31084         (classify_data_t): New structure type.
31085         (classify_registers): New inline function.
31086         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
31087         exhausted.  Instantiate traverse_record_type on classify_registers and
31088         deal with the case of a structure passed in slot #15 with no FP field
31089         in the first word.
31090         (assign_data_t): New structure type.
31091         (compute_int_layout): New static function.
31092         (compute_fp_layout): Likewise.
31093         (count_registers): New inline function.
31094         (assign_int_registers): New static function.
31095         (assign_fp_registers): Likewise.
31096         (assign_registers): New inline function.
31097         (function_arg_record_value_1): Delete.
31098         (function_arg_record_value_2): Likewise.
31099         (function_arg_record_value_3): Likewise.
31100         (function_arg_record_value): Adjust to above changes.  Instantiate
31101         traverse_record_type on count_registers to first count the number of
31102         registers to be used and then on assign_registers to assign them.
31103         (function_arg_union_value): Adjust to above renaming.
31104         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
31105         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
31106         case of a structure passed in slot #15
31107         (sparc_function_arg_advance): Likewise.
31108         (function_arg_padding): Minor tweak.
31110 2016-02-29  Richard Biener  <rguenther@suse.de>
31112         PR tree-optimization/69720
31113         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
31114         the adjustment_def path for possibly vectorized defs.
31115         (vect_create_epilog_for_reduction): Handle vectorized initial
31116         defs properly.
31118 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
31120         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
31122 2016-02-27  Jeff Law  <law@redhat.com>
31124         Revert
31125         2016-02-26  Richard Biener  <rguenther@suse.de>
31126                     Jeff Law  <law@redhat.com>
31128         PR tree-optimization/69740
31129         * cfghooks.c (remove_edge): Request loop fixups if we delete
31130         an edge that might turn an irreducible loop into a natural
31131         loop.
31133 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
31135         PR rtl-optimization/69896
31136         * tree-vect-generic.c (get_compute_type): Avoid single element
31137         vector types.
31139 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
31141         Rename the AArch64 tuning option and related functions to enable the
31142         Newton series for the reciprocal square root to reflect its
31143         approximative characteristic.
31145         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
31146         function to "aarch64_emit_approx_rsqrt".
31147         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
31148         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
31149         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
31150         (xgene1_tunings): Likewise.
31151         (use_rsqrt_p): Likewise.
31152         (aarch64_emit_swrsqrt): Use new function name.
31153         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
31154         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
31155         text explaining this option.
31156         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
31158 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
31160         PR target/69969
31161         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
31162         complain about -mallow-movmisalign without -mvsx if
31163         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
31165 2016-02-26  Joel Sherrill  <joel@rtems.org>
31167         * config.gcc: Add x86_64-*-rtems*.
31168         * config/i386/rtems-64.h: New file.
31170 2016-02-26  Joel Sherrill  <joel@rtems.org>
31172         * config.gcc: Add aarch64-*-rtems*.
31173         * config/aarch64/rtems.h: New file.
31175 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
31177         PR target/69946
31178         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
31179         shift amount using %h.  Add comment.
31181 2016-02-26  Richard Biener  <rguenther@suse.de>
31182             Jeff Law  <law@redhat.com>
31184         PR tree-optimization/69740
31185         * cfghooks.c (remove_edge): Request loop fixups if we delete
31186         an edge that might turn an irreducible loop into a natural
31187         loop.
31189 2016-02-26  Martin Jambor  <mjambor@suse.cz>
31191         PR middle-end/69920
31192         * tree-sra.c (sra_modify_assign): Do not remove loads of
31193         uninitialized aggregates to SSA_NAMEs.
31195 2016-02-26  Richard Henderson  <rth@redhat.com>
31197         PR target/69709
31198         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
31199         pseudo in case the target rtx matches the source of the left
31200         shift.
31202 2016-02-26  Martin Jambor  <mjambor@suse.cz>
31204         PR hsa/69568
31205         * hsa.h (hsa_type_packed_p): Declare.
31206         * hsa.c (hsa_type_packed_p): New function.
31207         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
31208         loads.
31209         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
31210         * hsa-brig.c (emit_basic_insn): Likewise.
31212 2016-02-26  Martin Jambor  <mjambor@suse.cz>
31214         pr hsa/69674
31215         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
31216         pointers.
31217         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
31219 2016-02-26  Martin Jambor  <mjambor@suse.cz>
31221         * hsa.h (is_a_helper): New overload for hsa_op_immed for
31222         hsa_op_with_type operands.
31223         (hsa_unsigned_type_for_type): Declare.
31224         * hsa.c (hsa_unsigned_type_for_type): New function.
31225         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
31226         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
31227         the finalizer.  Do not emit extra move.
31229 2016-02-26  Martin Jambor  <mjambor@suse.cz>
31231         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
31232         atomic operations in private segment.
31234 2016-02-26  Martin Jambor  <mjambor@suse.cz>
31236         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
31237         statements to wi->info.  Also disallow omp simd constructs.
31238         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
31239         for not gridifying.  Dump special string for omp_for.
31241 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31243         PR target/69245
31244         * config/aarch64/aarch64.c (aarch64_set_current_function):
31245         Save/restore target globals when switching to
31246         target_option_default_node.
31248 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31250         PR target/69613
31251         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
31252         Return 0 if !SHIFT_COUNT_TRUNCATED.
31254 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
31255             Eric Botcazou  <ebotcazou@adacore.com>
31257         PR rtl-optimization/69891
31258         * dse.c (scan_insn): If we can't figure out memset arguments
31259         or they are non-constant, call clear_rhs_from_active_local_stores.
31261 2016-02-26  Martin Liska  <mliska@suse.cz>
31263         * doc/extend.texi: Mention clog10, clog10f an clog10l
31264         in Builtins section.
31266 2016-02-26  Martin Liska  <mliska@suse.cz>
31268         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
31269         CHECKING_P.
31270         (resolve_args_picking_1): Likewise.
31271         * dwarf2out.h (struct GTY): Likewise.
31273 2016-02-26  Martin Liska  <mliska@suse.cz>
31275         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
31276         with flag_checking.
31277         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
31279 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
31280             Martin Liska  <mliska@suse.cz>
31282         * doc/install.texi: Mention --enable-valgrind-annotations.
31284 2016-02-26  Richard Biener  <rguenther@suse.de>
31286         PR tree-optimization/69551
31287         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
31288         looking through aliases adjust DECL_PT_UID to refer to the
31289         ultimate alias target.
31291 2016-02-25  Martin Liska  <mliska@suse.cz>
31293         PR middle-end/69919
31294         * alloc-pool.c (after_memory_report): New variable.
31295         * alloc-pool.h (base_pool_allocator ::release): Do not use
31296         the infrastructure if after_memory_report.
31297         * toplev.c (toplev::main): Mark after memory report.
31299 2016-02-25  Richard Biener  <rguenther@suse.de>
31301         PR tree-optimization/48795
31302         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
31304 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
31306         PR driver/68463
31307         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
31308         offloading is enabled and -fopenacc or -fopenmp is specified.
31309         (CRTOFFLOADEND): Likewise.
31310         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
31311         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
31312         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
31313         (offload_objects_file_name): New static var.
31314         (tool_cleanup): Remove offload_objects_file_name file.
31315         (find_offloadbeginend): Replace with ...
31316         (find_crtoffloadtable): ... this.
31317         (run_gcc): Remove offload_argc and offload_argv.
31318         Get offload_objects_file_name from -foffload-objects=... option.
31319         Read names of object files with offload from this file, pass them to
31320         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
31321         don't pass offloadbegin and offloadend to the linker.  Don't pass
31322         offload non-LTO files to the linker, because now they're not claimed.
31324 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
31326         PR ipa/69630
31327         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
31328         on builtin_unreachable.
31330 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
31332         PR rtl-optimization/69896
31333         * regcprop.c: Include cfgrtl.h.
31334         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
31335         than remembered mode, either delete it (if noop_move_p), or
31336         treat like copy_p but not noop_p instruction.
31338 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
31340         PR debug/69705
31341         * dwarf2out.c (gen_variable_die): Work around buggy LTO
31342         - allow NULL decl for Fortran DW_TAG_common_block variables.
31344 2016-02-24  Jason Merrill  <jason@redhat.com>
31346         * common.opt (flifetime-dse): Add -flifetime-dse=1.
31348 2016-02-24  Richard Biener  <rguenther@suse.de>
31349             Jakub Jelinek  <jakub@redhat.com>
31351         PR middle-end/69760
31352         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
31353         conditionally executed ops to well-defined overflow behavior.
31355 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
31357         PR middle-end/69915
31358         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
31359         elements.
31361 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31363         PR rtl-optimization/69886
31364         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
31365         argument.  Use it when checking validity of set instructions.
31366         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
31367         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
31368         callsite.
31369         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
31370         * store-motion.c (find_moveable_store): Update
31371         can_assign_to_reg_without_clobbers_p callsite.
31373 2016-02-24  Richard Biener  <rguenther@suse.de>
31375         PR middle-end/68963
31376         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
31377         bogus check.
31378         (record_nonwrapping_iv): Do not fall back to the low/high bound
31379         for non-constant IV bases if the stmt is not always executed.
31381 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31383         * config/arm/arm-cores.def (cortex-a32): New entry.
31384         * config/arm/arm-tables.opt: Regenerate.
31385         * config/arm/arm-tune.md: Regenerate.
31386         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
31387         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
31388         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
31389         for -mcpu and -mtune.
31391 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31393         PR target/69875
31394         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
31395         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
31396         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
31397         (atomic_loaddi_1): Delete.
31398         (atomic_loaddi): Rewrite expander using the above changes.
31400 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
31402         PR c/69918
31403         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
31404         2 to 3.
31406 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
31407             Richard Biener  <rguenth@suse.de>
31409         PR middle-end/69909
31410         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
31411         set_mem_attributes if tem is SSA_NAME which got expanded
31412         as a MEM.
31414 2016-02-24  Richard Biener  <rguenther@suse.de>
31416         PR tree-optimization/69907
31417         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
31418         end of permutations for BB vectorization.
31420 2016-02-24  Christian Bruel  <christian.bruel@st.com>
31422         * config/arm/arm-c.c (arm_option_override): Initialize
31423         target_option_current_node.
31424         * config/arm/arm.c (arm_pragma_target_parse): Replace
31425         build_target_option_node call by target_option_current_node.
31426         Set target_option_current_node.
31427         Fix comments.
31429 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
31431         PR target/69810
31432         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
31433         define_insn_and_split to define_insn.
31434         (zero_extendqi<mode>2_dot2): Same.
31435         (extendqi<mode>2_dot): Same.
31436         (extendqi<mode>2_dot2): Same.
31438 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
31440         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
31441         and add bypass for AES{D,E} and AESMC pairs.
31442         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
31443         and AESMC pairs.
31445 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
31447         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
31448         series for reciprocal square root in Exynos M1.
31450 2016-02-23  Martin Sebor  <msebor@redhat.com>
31452         PR c/69759
31453         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
31454         __builtin_alloca_with_align.
31456 2016-02-23  Richard Henderson  <rth@redhat.com>
31458         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
31459         (ix86_register_pragmas): Remove __seg_tls.
31460         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
31461         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
31462         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
31463         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
31464         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
31465         * doc/extend.texi (__seg_tls): Remove item.
31467 2016-02-23  Richard Biener  <rguenther@suse.de>
31469         * alloc-pool.h (struct allocation_object): Make id member
31470         conditional on CHECKING_P again.
31471         (get_instance): Adjust.
31472         (base_pool_allocator): Likewise.
31474 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
31476         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
31477         (parallelize_loops): In OpenACC kernels mode, set n_threads to
31478         zero.
31479         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
31480         flag_openacc.
31481         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
31483 2016-02-23  Richard Biener  <rguenther@suse.de>
31485         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
31486         * bitmap.h (struct bitmap_usage): Likewise.
31487         (bitmap_move): Declare.
31488         * bitmap.c (register_overhead): Take size_t argument.
31489         (bitmap_move): New function.
31490         * df-problems.c (df_rd_transfer_function): Use bitmap_move
31491         to properly account overhead.
31492         * tree.c (free_node): Use tree_size.
31494 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
31496         PR c++/69902
31497         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
31498         when inverting comparison.
31500         PR c/69900
31501         * common.opt (Wunreachable-code): Add Warning flag.
31503 2016-02-23  Mark Wielaard  <mjw@redhat.com>
31504             Jakub Jelinek  <jakub@redhat.com>
31506         PR c/69911
31507         * cgraphunit.c (check_global_declaration): Check main_input_filename
31508         and DECL_SOURCE_FILE are not NULL.
31510 2016-02-23  Martin Jambor  <mjambor@suse.cz>
31512         PR tree-optimization/69666
31513         * tree-sra.c (sra_modify_assign): Do not attempt to create
31514         default_def replacements for unscalarizable regions.
31516 2016-02-20  Mark Wielaard  <mjw@redhat.com>
31518         PR c/28901
31519         * cgraphunit.c (check_global_declaration): Check level of
31520         warn_unused_const_variable and main_input_filename.
31521         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
31522         (-Wunused-variable): For C implies -Wunused-const-variable=1.
31523         (-Wunused-const-variable): Explain levels 1 and 2.
31525 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
31527         PR target/69888
31528         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
31529         identical arguments.  Formatting and spelling fixes.
31531         PR target/69885
31532         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
31533         be specified.
31535         PR target/69894
31536         PR target/69895
31537         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
31538         and m68k-devices.def.
31539         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
31540         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
31542 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
31544         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
31545         and HImode registers.
31547 2016-02-22  Richard Biener  <rguenther@suse.de>
31549         PR tree-optimization/69882
31550         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
31551         preserve permutations present because of gaps.
31552         (vect_supported_load_permutation_p): Always continue checking
31553         permutations after vect_attempt_slp_rearrange_stmts.
31555 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
31557         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
31558         min_profitable_estimate, rather than min_profitable_iters.
31560 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
31562         PR target/69885
31563         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
31564         SImode for last match_operand.
31566 2016-02-22  Martin Liska  <mliska@suse.cz>
31568         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
31569         return bitsize - 1 as the return value.
31571 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
31573         PR target/69806
31574         PR target/54089
31575         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
31576         Handle negative shift counts.
31577         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
31578         force_reg on the shift constant.
31579         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
31580         (lshrsi3_d): Handle negative shift counts.
31582 2016-02-22  Richard Biener  <rguenther@suse.de>
31583             Tom de Vries  <tom@codesourcery.com>
31585         * graph.c: Include dumpfile.h.
31586         (print_graph_cfg): Split into three overloads.
31587         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
31589 2016-02-22  Tom de Vries  <tom@codesourcery.com>
31591         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
31592         dump-fn.
31594 2016-02-22  Richard Biener  <rguenther@suse.de>
31596         PR ipa/37448
31597         * ipa-inline-transform.c (inline_call): When not updating
31598         overall summaries adjust self size by the growth estimate.
31599         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
31600         hash-set, do not update overall summaries here.  Renamed from ...
31601         (inline_to_all_callers): ... this which is now wrapping the
31602         above and performing delayed overall summary update.
31603         (early_inline_small_functions): Delay updating of the overall
31604         summary.
31606 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
31608         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
31609         variable.
31611 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
31613         PR driver/69805
31614         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
31615         :%* in %:gt() argument.
31616         (greater_than_spec_func): Adjust for expecting only numbers,
31617         if there are more than two numbers, compare the last two.
31619 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
31621         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
31622         -Wnarrowing with -std.
31624 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
31626         PR c++/69851
31627         * expr.c (store_field): Don't use bit-field path if exp is
31628         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
31629         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
31630         and the assignment can be performed by bitwise copy.  Formatting
31631         fix.
31633         PR middle-end/69838
31634         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
31635         call copy_reg_eh_region_note_forward on before and/or after sequences
31636         and remove note from insn if it no longer can throw.
31638         PR target/69820
31639         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
31640         if TARGET_AVX512BW.
31642 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31644         * config/s390/vector.md: Add missing commutative operand markers
31645         to the patterns which qualify for one.
31646         * config/s390/vx-builtins.md: Likewise.
31648 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31650         * config/s390/vector.md (VI, VI_QHS): Add single element vector
31651         types to mode iterators.
31652         (vec_double): ... and mode attribute.
31653         * config/s390/vx-builtins.md (non_vec_int): Likewise.
31655 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31657         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
31658         Change the predicate of op2 from nonimmediate to general and let
31659         reload fix it if necessary.
31661 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31663         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
31665 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31667         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
31668         mode.
31670 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31672         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
31673         * config/s390/s390.c (s390_expand_vec_movstr): New function.
31674         * config/s390/s390.md ("movstr<P:mode>"): Call
31675         s390_expand_vec_movstr.
31677 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31679         * config/s390/s390.md: Add missing output modifier for operand 1
31680         to print it as address properly.
31682 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31684         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
31685         * config/s390/2964.md: New file.
31686         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
31687         of insn grouping attributes depending on the CPU level.
31688         (s390_get_unit_mask): New function.
31689         (s390_sched_score): Remove the OOO from the scheduling macros.
31690         Add loop to calculate a score for the instruction mix.
31691         (s390_sched_reorder): Likewise plus improve debug output.
31692         (s390_sched_variable_issue): Rename macros as above.  Calculate
31693         the unit distances after actually scheduling an insn.  Improve
31694         debug output.
31695         (s390_sched_init): Clear last_scheduled_unit_distance array.
31696         * config/s390/s390.md: Include 2964.md.
31698 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
31700         PR target/69671
31701         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
31702         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
31703         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
31704         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
31705         *avx512f_<code>v8div16qi2_mask_1): New insns.
31707 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
31709         PR target/68404
31710         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
31711         2016-02-09 change.
31713         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
31714         earlyclobber from target.  Use wF constraint for fused memory
31715         address.
31716         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
31718 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
31719             Martin Liska  <mliska@suse.cz>
31721         PR sanitizer/69863
31722         * cfgexpand.c (asan_sanitize_stack_p): New function.
31723         (partition_stack_vars): Use the function.
31724         (expand_stack_vars): Likewise.
31725         (defer_stack_allocation): Likewise.
31726         (expand_used_vars): Likewise.
31728 2016-02-18  Richard Biener  <rguenther@suse.de>
31730         PR middle-end/69553
31731         * fold-const.c (operand_equal_p): Properly compare offsets for
31732         IMAGPART_EXPR and ARRAY_REF.
31734 2016-02-18  Nick Clifton  <nickc@redhat.com>
31736         PR target/62254
31737         PR target/69610
31738         * config/arm/arm.c (arm_option_override_internal): Disable
31739         interworking if the target does not support thumb instructions.
31740         (arm_reload_in_hi): Handle the case where a register to register
31741         move needs reloading because there is no simple pattern to handle
31742         it.
31743         (arm_reload_out_hi): Likewise.
31745 2016-02-18  Richard Biener  <rguenther@suse.de>
31747         PR middle-end/69854
31748         * match.pd: Don't use fold_binary or fold_unary for folding
31749         constants.
31751 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
31753         PR c++/69850
31754         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
31755         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
31756         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
31757         warn on gimple_no_warning_p statements.
31759 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
31761         * doc/extend.texi (C++ Attributes): Correct description of
31762         warn_unused type attribute.
31764 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
31766         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
31767         correct instruction.
31769 2016-02-17  Richard Biener  <rguenther@suse.de>
31771         PR rtl-optimization/69609
31772         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
31773         (find_traces_1_round): When ending a trace update cached priority
31774         of successors.
31775         (bb_to_key): Use cached priority when available.
31776         (copy_bb): Initialize cached priority.
31777         (reorder_basic_blocks_software_trace_cache): Likewise.
31779 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31781         PR target/69161
31782         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
31783         New predicate.
31784         (aarch64_comparison_operator): Break overly long line into two.
31785         (aarch64_comparison_operation): Likewise.
31786         * config/aarch64/aarch64.md (cstorecc4): Use
31787         aarch64_comparison_operator_mode instead of
31788         aarch64_comparison_operator.
31789         (cstore<mode>4): Likewise.
31790         (aarch64_cstore<mode>): Likewise.
31791         (*cstoresi_insn_uxtw): Likewise.
31792         (cstore<mode>_neg): Likewise.
31793         (*cstoresi_neg_uxtw): Likewise.
31795 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31797         PR target/69161
31798         * config/arm/predicates.md (arm_comparison_operator_mode):
31799         New predicate.
31800         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
31801         instead of arm_comparison_operator.
31802         (*mov_negscc): Likewise.
31803         (*mov_notscc): Likewise.
31804         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
31805         (*thumb2_mov_negscc): Likewise.
31806         (*thumb2_mov_negscc_strict_it): Likewise.
31807         (*thumb2_mov_notscc): Likewise.
31808         (*thumb2_mov_notscc_strict_it): Likewise.
31810 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
31812         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
31813         Add missing return.
31815 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
31817         * config/visium/visium.c (machine_libfunc_index): New enum.
31818         (machine_libfuncs): New structure.
31819         (visium_libfuncs): New static variable.
31820         (TARGET_INIT_LIBFUNCS): Define to...
31821         (visium_init_libfuncs): ...this.  New function.
31822         (expand_block_move_4): Use the appropriate libfunc.
31823         (expand_block_move_2): Likewise.
31824         (expand_block_move_1): Likewise.
31825         (expand_block_set_4): Likewise.
31826         (expand_block_set_2): Likewise.
31827         (expand_block_set_1): Likewise.
31828         (visium_trampoline_init): Likewise.
31830 2016-02-17  Nick Clifton  <nickc@redhat.com>
31832         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
31833         TI's devices.csv file as of March 2016.
31835 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
31837         PR Target/48344
31838         * opts-global.c (handle_common_deferred_options): Introduce and
31839         initialize two global variables to remember command-line options
31840         specifying a stack-limiting register.
31841         * opts.h: Add extern declarations of the two new global variables.
31842         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
31843         variable based on the values of the two new global variables.
31845 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
31847         PR c/69835
31848         * common.opt (Wnonnull-compare): New warning.
31849         * doc/invoke.texi (-Wnonnull): Remove text about comparison
31850         of arguments against NULL.
31851         (-Wnonnull-compare): Document.
31852         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
31853         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
31854         * passes.def (pass_warn_nonnull_compare): Add.
31855         * gimple-ssa-nonnull-compare.c: New file.
31857 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
31859         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
31860         AARCH64_EXTRA_TUNE_RECIP_SQRT.
31862 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
31864         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
31865         reciprocal sqrt for -mlow-precision-recip-sqrt.
31867 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
31868             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
31870         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
31871         always use lane loads to construct non-constant vectors.
31873 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
31875         * config/aarch64/aarch64.md
31876         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
31877         constraints for operand 3.
31878         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
31880 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
31881             Richard Biener  <rguenther@suse.de>
31883         PR tree-optimization/69820
31884         * tree-vect-patterns.c (type_conversion_p): Return false if
31885         *orig_type is unsigned single precision or boolean.
31886         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
31887         Formatting fix.
31889 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
31891         PR rtl-optimization/69764
31892         PR rtl-optimization/69771
31893         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
31894         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
31896 2016-02-16  Richard Biener  <rguenther@suse.de>
31898         PR tree-optimization/69776
31899         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
31900         sets from caller.
31901         (indirect_refs_may_alias_p): Likewise.
31902         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
31903         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
31904         according to tbaa_p.
31905         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
31906         (optimize_stmt): For redundant store discovery do not allow tbaa.
31908 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
31910         PR tree-optimization/69714
31911         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
31912         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
31914 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
31916         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
31917         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
31918         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
31919         * config/arc/arc.c (arc_init): Check FPU options.
31920         (get_arc_condition_code): Handle new CC_FPU* modes.
31921         (arc_select_cc_mode): Likewise.
31922         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
31923         register pair only. Allow access for ARCv2 accumulator.
31924         (gen_compare_reg): Whenever we have FPU support use FPU compare
31925         instructions.
31926         (arc_reorg): Don't generate brcc insns when FPU compare
31927         instructions are involved.
31928         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
31929         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
31930         floating point emulation.
31931         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
31932         (REVERSE_CONDITION): Add new CC_FPU* modes.
31933         (TARGET_FP_SP_BASE): Define.
31934         (TARGET_FP_DP_BASE): Likewise.
31935         (TARGET_FP_SP_FUSED): Likewise.
31936         (TARGET_FP_DP_FUSED): Likewise.
31937         (TARGET_FP_SP_CONV): Likewise.
31938         (TARGET_FP_DP_CONV): Likewise.
31939         (TARGET_FP_SP_SQRT): Likewise.
31940         (TARGET_FP_DP_SQRT): Likewise.
31941         (TARGET_FP_DP_AX): Likewise.
31942         * config/arc/arc.md (ARCV2_ACC): New constant.
31943         (type): New fpu type attribute.
31944         (SDF): Conditional iterator.
31945         (cstore<mode>, cbranch<mode>): Change expand condition.
31946         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
31947         handles FPU/FPX cases as well.
31948         * config/arc/arc.opt (mfpu): New option.
31949         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
31950         Renamed.
31951         (adddf3, muldf3, subdf3): Removed.
31952         * config/arc/predicates.md (proper_comparison_operator): Recognize
31953         CC_FPU* modes.
31954         * config/arc/fpu.md: New file.
31955         * doc/invoke.texi (ARC Options): Document mfpu option.
31957 2016-02-16  Richard Biener  <rguenther@suse.de>
31959         PR rtl-optimization/69291
31960         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
31961         noce_operand_ok check.
31963 2016-02-16  Tom de Vries  <tom@codesourcery.com>
31965         PR lto/67709
31966         * omp-low.c (simd_clone_create): Remove call to
31967         symtab->call_cgraph_insertion_hooks.
31969 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
31971         PR tree-optimization/69802
31972         * tree-ssa-reassoc.c (update_range_test): If op is
31973         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
31974         op == 1 test of precision 1 integral op, otherwise handle
31975         that case as op itself.  Fix up formatting.
31976         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
31977         up formatting.
31979 2016-02-16  Richard Biener  <rguenther@suse.de>
31981         PR tree-optimization/69586
31982         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
31983         types for conversion sources.
31985 2016-02-16  Richard Biener  <rguenther@suse.de>
31987         PR middle-end/69801
31988         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
31989         mask OEP_ADDRESS_OF.
31991 2016-02-16  Alan Modra  <amodra@gmail.com>
31993         PR target/68973
31994         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
31995         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
31996         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
31997         (p8_mtvsrwz): New.
31998         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
31999         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
32000         (p8_fmrgow_<mode>): Likewise.
32001         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
32002         changes.
32003         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
32004         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
32005         to use movdi_internal64.  Remove op0_di.
32006         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
32008 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
32010         Add support for the FCCMP insn types
32012         * config/aarch64/aarch64.md (fccmp): Change insn type.
32013         (fccmpe): Likewise.
32014         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
32015         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
32016         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
32017         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
32018         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
32019         * config/arm/types.md (fccmps): Add new insn type.
32020         (fccmpd): Likewise.
32022 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
32024         * alias.c (get_alias_set): Fix a typo in comment.
32026 2016-02-15  Richard Biener  <rguenther@suse.de>
32028         PR tree-optimization/69595
32029         * match.pd: Complete range test simplification to true.
32031 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
32033         PR rtl-optimization/69648
32034         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
32035         pic_offset_table_rtx.
32037         PR rtl-optimization/69752
32038         * ira.c (update_equiv_regs): When looking for more than a single SET,
32039         also take other side effects into account.
32041 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
32043         * config/s390/s390.c (s390_function_profiler): Add a new sequence
32044         for z900+ CPUs in 31-bit mode.
32046 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
32048         * common/config/s390/s390-common.c (s390_supports_split_stack):
32049         New function.
32050         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
32051         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
32052         * config/s390/s390.c (struct machine_function): New field
32053         split_stack_varargs_pointer.
32054         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
32055         in s390_emit_prologue.
32056         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
32057         vararg pointer.
32058         (morestack_ref): New global.
32059         (SPLIT_STACK_AVAILABLE): New macro.
32060         (s390_expand_split_stack_prologue): New function.
32061         (s390_live_on_entry): New function.
32062         (s390_va_start): Use split-stack vararg pointer if appropriate.
32063         (s390_asm_file_end): Emit the split-stack note sections.
32064         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
32065         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
32066         (UNSPECV_SPLIT_STACK_CALL): New unspec.
32067         (UNSPECV_SPLIT_STACK_DATA): New unspec.
32068         (split_stack_prologue): New expand.
32069         (split_stack_space_check): New expand.
32070         (split_stack_data): New insn.
32071         (split_stack_call): New expand.
32072         (split_stack_call_*): New insn.
32073         (split_stack_cond_call): New expand.
32074         (split_stack_cond_call_*): New insn.
32076 2016-02-15  Richard Biener  <rguenther@suse.de>
32078         PR tree-optimization/69783
32079         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
32080         Add trivially correct cases.
32082 2016-02-15  Tom de Vries  <tom@codesourcery.com>
32084         PR lto/69655
32085         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
32086         do_force_output.
32087         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
32089 2016-02-15  Richard Biener  <rguenther@suse.de>
32091         PR tree-optimization/69776
32092         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
32093         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
32094         indicate whether we can use TBAA to disambiguate against stores.
32095         Use alias-set zero if not.
32096         (visit_reference_op_store): Do not use TBAA when looking up
32097         redundant stores.
32098         * tree-ssa-pre.c (compute_avail): Use TBAA here.
32099         (eliminate_dom_walker::before_dom_children): But not when looking
32100         up redundant stores.
32102 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
32104         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
32106 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
32108         *  config/i386/znver1.md
32109         (znver1_pop, znver1_pop_mem,
32110         znver1_load_imov_double_store,
32111         znver1_load_imov_direct_store,
32112         znver1_load_imov_direct_load,
32113         znver1_load_imov_double_load): Add new.
32114         (znver1_insn, znver1_insn_load): Add icmov type.
32115         (znver1_sseavx_fma,
32116         znver1_sseavx_fma_load,
32117         znver1_avx256_fma,
32118         znver1_avx256_fma_load): Fix pipe usage.
32120 2016-02-14  Alan Modra  <amodra@gmail.com>
32122         PR target/68973
32123         * reload.c (find_reloads_address_1): For pre/post-inc/dec
32124         with an invalid hard reg, reload just the reg not the entire
32125         pre/post-inc/dec address expression.
32127 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
32129         PR target/67260
32130         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
32131         fixed R1_REG scratch reg.
32132         (sibcall_value_pcrel_fdpic): Likewise.
32134 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
32136         PR target/67636
32137         PR target/64345
32138         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
32140 2016-02-12  Walter Lee  <walt@tilera.com>
32142         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
32143         * config/tilegx/t-tilegx: Likewise.
32145 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
32147         PR other/69554
32148         * diagnostic-show-locus.c (struct line_span): New struct.
32149         (layout::get_first_line): Delete.
32150         (layout::get_last_line): Delete.
32151         (layout::get_num_line_spans): New member function.
32152         (layout::get_line_span): Likewise.
32153         (layout::print_heading_for_line_span_index_p): Likewise.
32154         (layout::get_expanded_location): Likewise.
32155         (layout::calculate_line_spans): Likewise.
32156         (layout::m_first_line): Delete.
32157         (layout::m_last_line): Delete.
32158         (layout::m_line_spans): New field.
32159         (layout::layout): Update comment.  Replace m_first_line and
32160         m_last_line with m_line_spans, replacing their initialization
32161         with a call to calculate_line_spans.
32162         (diagnostic_show_locus): When printing source lines and
32163         annotations, rather than looping over a single span
32164         of lines, instead loop over each line_span within
32165         the layout, with an inner loop over the lines within them.
32166         Call the context's start_span callback when changing line spans.
32167         * diagnostic.c (diagnostic_initialize): Initialize start_span.
32168         (diagnostic_build_prefix): Break out the building of the location
32169         part of the string into...
32170         (diagnostic_get_location_text): ...this new function, rewriting
32171         it from nested ternary expressions to a sequence of "if"
32172         statements.
32173         (default_diagnostic_start_span_fn): New function.
32174         * diagnostic.h (diagnostic_start_span_fn): New typedef.
32175         (diagnostic_context::start_span): New field.
32176         (default_diagnostic_start_span_fn): New prototype.
32178 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
32180         PR driver/69779
32181         * gcc.c (driver::finalize): Fix cleanup of "specs".
32183 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
32185         PR driver/69265
32186         PR driver/69453
32187         * gcc.c (driver::driver): Initialize m_option_suggestions.
32188         (driver::~driver): Clean up m_option_suggestions.
32189         (suggest_option): Convert to...
32190         (driver::suggest_option): ...this, and split out into
32191         driver::build_option_suggestions and find_closest_string.
32192         (driver::build_option_suggestions): New function, from
32193         first half of suggest_option.  Special-case
32194         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
32195         the sanitizer_opts array.  For options of enum types, add the
32196         various enum values to the candidate strings.
32197         (driver::handle_unrecognized_options): Remove "const".
32198         * gcc.h (driver::handle_unrecognized_options): Likewise.
32199         (driver::build_option_suggestions): New decl.
32200         (driver::suggest_option): New decl.
32201         (driver::m_option_suggestions): New field.
32202         * opts-common.c (add_misspelling_candidates): New function.
32203         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
32204         and make non-static.
32205         * opts.h (sanitizer_opts): New array decl.
32206         (add_misspelling_candidates): New function decl.
32207         * spellcheck.c (find_closest_string): New function.
32208         * spellcheck.h (find_closest_string): New function decl.
32210 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
32212         PR rtl-optimization/69764
32213         PR rtl-optimization/69771
32214         * optabs.c (expand_binop_directly): For shift_optab_p, force
32215         convert_modes with VOIDmode if xop1 has VOIDmode.
32217 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
32219         PR target/69729
32220         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
32221         to correctly determine instrumentation thunks.
32223 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
32225         PR ipa/69241
32226         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
32227         type by reference, force lhs on the call.
32229         PR ipa/68672
32230         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
32231         Compute retval and retbnd early in all cases if split_part_return_p
32232         and return_bb is not EXIT.  Remove all clobber stmts and reset
32233         all debug stmts that refer to SSA_NAMEs defined in split part,
32234         except if it is retval, in that case replace the old retval with the
32235         lhs of the call to the split part.
32237 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
32239         revert:
32240         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
32242         PR middle-end/66726
32243         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
32244         whose result is used in PHI.
32245         (maybe_optimize_range_tests): Likewise.
32246         (final_range_test_p): Likweise.
32248 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
32250         PR middle-end/66726
32251         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
32252         whose result is used in PHI.
32253         (maybe_optimize_range_tests): Likewise.
32254         (final_range_test_p): Likweise.
32256 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
32258         * cgraph.c: Spelling fixes - behaviour -> behavior and
32259         neighbour -> neighbor.
32260         * target.def: Likewise.
32261         * sel-sched.c: Likewise.
32262         * config/mips/mips.c: Likewise.
32263         * config/arc/arc.md: Likewise.
32264         * config/arm/cortex-a57.md: Likewise.
32265         * config/arm/arm.c: Likewise.
32266         * config/arm/neon.md: Likewise.
32267         * config/arm/arm-c.c: Likewise.
32268         * config/vms/vms-c.c: Likewise.
32269         * config/s390/s390.c: Likewise.
32270         * config/i386/znver1.md: Likewise.
32271         * config/i386/i386.c: Likewise.
32272         * config/ia64/hpux-unix2003.h: Likewise.
32273         * config/msp430/msp430.md: Likewise.
32274         * config/rx/rx.c: Likewise.
32275         * config/rx/rx.md: Likewise.
32276         * config/aarch64/aarch64-simd.md: Likewise.
32277         * config/aarch64/aarch64.c: Likewise.
32278         * config/nvptx/nvptx.c: Likewise.
32279         * config/bfin/bfin.c: Likewise.
32280         * config/cris/cris.opt: Likewise.
32281         * config/rs6000/rs6000.c: Likewise.
32282         * target.h: Likewise.
32283         * spellcheck.c: Likewise.
32284         * ira-build.c: Likewise.
32285         * tree-inline.c: Likewise.
32286         * builtins.c: Likewise.
32287         * lra-constraints.c: Likewise.
32288         * explow.c: Likewise.
32289         * hwint.h: Likewise.
32290         * targhooks.c: Likewise.
32291         * tree-vect-data-refs.c: Likewise.
32292         * expr.c: Likewise.
32293         * doc/tm.texi: Likewise.
32294         * doc/extend.texi: Likewise.
32295         * doc/install.texi: Likewise.
32296         * doc/md.texi: Likewise.
32297         * tree-ssa-tail-merge.c: Likewise.
32298         * sched-int.h: Likewise.
32299         * match.pd: Likewise.
32300         * sched-ebb.c: Likewise.
32301         * target.def (omit_struct_return_reg): Likewise.
32302         * gimple-ssa-isolate-paths.c: Likewise.
32303         (find_implicit_erroneous_behaviour): Renamed to...
32304         (find_implicit_erroneous_behavior): ... this.
32305         (find_explicit_erroneous_behaviour): Renamed to...
32306         (find_explicit_erroneous_behavior): ... this.
32307         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
32309 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
32311         PR rtl-optimization/64682
32312         PR rtl-optimization/69567
32313         PR rtl-optimization/69737
32314         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
32315         in I2 as well, just lose it.
32317 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
32319         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
32320         New variable.
32321         (aarch64_last_printed_tune_string): Likewise.
32322         (aarch64_declare_function_name): Only output .arch assembler
32323         directive if it will be different from the previously output
32324         directive.  Same for .tune comment but only if -dA is set.
32325         (aarch64_start_file): New function.
32326         (TARGET_ASM_FILE_START): Define.
32328 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
32330         PR plugins/69758
32331         * Makefile.in (PLUGIN_HEADERS): Add params.list.
32333 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
32335         PR target/65313
32336         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
32337         -Wmaybe-uninitialized warning.
32339 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
32341         PR target/69713
32342         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
32344 2016-02-11  Richard Biener  <rguenther@suse.de>
32346         PR rtl-optimization/69291
32347         * ifcvt.c (noce_try_store_flag_constants): Do not allow
32348         subexpressions affected by changing the result.
32350 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
32352         PR target/69148
32353         * lra-constraints.c (curr_insn_transform): Find in/out operands
32354         for secondary memory moves.  Update dups.
32356 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
32358         PR tree-optimization/69652
32359         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
32360         to nested loop, did source re-formatting, skip debug statements,
32361         add check on statement with volatile operand, remove dead scalar
32362         statements.
32364 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
32365             Patrick Palka  <ppalka@gcc.gnu.org>
32367         PR ipa/69241
32368         PR c++/69649
32369         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
32370         calls if the return type is TREE_ADDRESSABLE.
32371         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
32372         * ipa-split.c (split_function): Fix doubled "we" in comment.
32373         Use void return type for the split part even if
32374         !split_point->split_part_set_retval.
32376 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
32378         PR tree-optimization/68021
32379         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
32380         when computing the value of biv cand by itself.
32382 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
32384         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
32385         (cortexa57_tunings): Likewise.
32386         (cortexa72_tunings): Likewise.
32387         (arch_macro_fusion_pair_p): Add support for AES fusion.
32388         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
32389         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
32390         Allow virtual registers before reload so early scheduling works.
32391         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
32392         correct latency and pipeline.
32393         (cortex_a57_crypto_complex): Likewise.
32394         (cortex_a57_crypto_xor): Likewise.
32395         (define_bypass): Add AES bypass.
32397 2016-02-10  Richard Biener  <rguenther@suse.de>
32399         PR tree-optimization/69726
32400         * passes.def: Add DCE pass before late uninit.
32401         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
32402         really fixup if-conversions job.
32404 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
32406         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
32407         (arm_cortex_a57_tune): Likewise.
32408         (aarch_macro_fusion_pair_p): Add support for AES fusion.
32409         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
32411 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
32413         * timevar.def (TV_PHASE_DBGINFO): Delete.
32414         (TV_PHASE_CHECK_DBGINFO): Likewise.
32415         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
32417 2016-02-10  Richard Biener  <rguenther@suse.de>
32419         PR tree-optimization/69719
32420         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
32421         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
32423 2016-02-09  Andrew Pinski  <apinski@cavium.com>
32425         PR tree-opt/69282
32426         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
32427         get_vcond_mask_icode returns false.
32429 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
32431         PR target/68404
32432         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
32433         an ADDIS that adds a pointer to a large constant that sets the
32434         upper16 bits with a load operation.
32436 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
32438         PR target/68532
32439         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
32440         order.
32441         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
32442         endian.
32443         (vzipq_s16): Likewise.
32444         (vzipq_s32): Likewise.
32445         (vzipq_f32): Likewise.
32446         (vzipq_u8): Likewise.
32447         (vzipq_u16): Likewise.
32448         (vzipq_u32): Likewise.
32449         (vzipq_p8): Likewise.
32450         (vzipq_p16): Likewise.
32452 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
32454         PR target/68532
32455         * config/arm/arm.c (neon_endian_lane_map): New function.
32456         (neon_vector_pair_endian_lane_map): New function.
32457         (arm_evpc_neon_vuzp): Allow for big endian lane order.
32458         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
32459         endian.
32460         (vuzpq_s16): Likewise.
32461         (vuzpq_s32): Likewise.
32462         (vuzpq_f32): Likewise.
32463         (vuzpq_u8): Likewise.
32464         (vuzpq_u16): Likewise.
32465         (vuzpq_u32): Likewise.
32466         (vuzpq_p8): Likewise.
32467         (vuzpq_p16): Likewise.
32469 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
32471         PR target/69634
32472         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
32473         debug insns.
32475 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
32477         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
32478         truncate const_int operand 1 to QImode.
32480 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
32482         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
32483         corresponding to an abnormal edge.
32485 2016-02-09  Tom de Vries  <tom@codesourcery.com>
32487         PR tree-optimization/69599
32488         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
32489         function.
32490         (find_func_aliases_for_builtin_call, find_func_clobbers)
32491         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
32492         partition.
32494 2016-02-09  Richard Biener  <rguenther@suse.de>
32496         PR tree-optimization/69715
32497         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
32498         LHS on calls as non-rewritable.
32500 2016-02-09  Tom de Vries  <tom@codesourcery.com>
32502         PR lto/69707
32503         * lto-wrapper.c (append_diag_options): New function.
32504         (compile_offload_image): Call append_diag_options.
32506 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
32508         PR other/69722
32509         * doc/extend.texi (Flag Output Operands): Correct sectioning.
32510         Minor copy-edit to fix verb tenses.
32512 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
32514         PR tree-optimization/69209
32515         * ipa-split.c (split_function): If split part is not
32516         returning retval, retval has gimple type but is not
32517         gimple value, force it into a SSA_NAME first.
32519 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
32521         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
32522         outdated section.
32524 2016-02-08  Jason Merrill  <jason@redhat.com>
32526         PR c++/69631
32527         * convert.c (convert_to_integer_1): Check dofold on truncation
32528         distribution.
32529         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
32530         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
32531         Rename from *_nofold.
32532         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
32533         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
32535 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
32537         PR target/60410
32538         * tree.c (build_common_tree_nodes): Remove short_double argument.
32539         All callers changed.
32540         * tree.h (build_common_tree_nodes): Adjust declaration.
32541         * doc/invoke.texi (-fshort-double): Remove documentation.
32542         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
32543         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
32544         * lto-wrapper.c (merge_and_complain, append_compiler_options)
32545         (append_linker_options): Don't handle OPT_fshort_double.
32547         PR rtl-optimization/68730
32548         * lra-remat.c (insn_to_cand_activation): New static variable.
32549         (lra_remat): Allocate and free it.
32550         (create_cand): New arg activation. Initialize a field in
32551         insn_to_cand_activation if it is nonnull.
32552         (create_cands): Pass the activation insn to create_cand when making
32553         a candidate involving an output reload.  Reorganize code a little.
32554         (do_remat): Keep track of active status of candidates in a separate
32555         bitmap.
32557 2016-02-08  Richard Biener  <rguenther@suse.de>
32559         PR tree-optimization/69719
32560         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
32561         Properly use absolute of the difference of the two offsets to
32562         compare or adjust the segment length.
32564 2016-02-08  Richard Biener  <rguenther@suse.de>
32565             Jeff Law  <law@redhat.com>
32567         PR target/68273
32568         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
32569         types for anonymous SSA names.
32571 2016-02-08   Richard Biener  <rguenther@suse.de>
32573         PR rtl-optimization/69274
32574         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
32576 2016-02-08  Jeff Law  <law@redhat.com>
32578         PR tree-optimization/65917
32579         * tree-ssa-dom.c (record_temporary_equivalences): Record both
32580         equivalences from if (x == y) style conditionals.
32581         (loop_depth_of_name): Remove.
32582         (record_equality): Remove loop depth check.
32583         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
32584         (const_and_copies::record_const_or_copy_raw): New member function.
32585         * tree-ssa-scopedtables.c
32586         (const_and_copies::record_const_or_copy_raw): New, factored out of
32587         (const_and_copies::record_const_or_copy): Call new member function.
32589 2016-02-05  Jeff Law  <law@redhat.com>
32591         PR tree-optimization/68541
32592         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
32593         (count_stmts_in_block): New function.
32594         (poor_ifcvt_candidate_code): Likewise.
32595         (is_feasible_trace): Add some heuristics to determine when path
32596         splitting is profitable.
32597         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
32598         is a diamond with a single exit.
32600 2016-02-05  Martin Sebor  <msebor@redhat.com>
32602         PR c++/69662
32603         * doc/invoke.texi: Update -Wplacement-new to take an optional
32604         argument.
32606 2016-02-06  Richard Henderson  <rth@redhat.com>
32608         PR c/69643
32609         * tree.c (tree_nop_conversion_p): Do not strip casts into or
32610         out of non-standard address spaces.
32612 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
32614         PR rtl-optimization/69691
32615         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
32617 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
32619         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
32620         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
32621         (*ieee128_mfvsrd_64bit): Likewise.
32622         (*ieee128_mfvsrd_32bit): Likewise.
32624 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
32626         PR target/69369
32627         Revert r232560:
32628         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
32630         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
32631         instrumented_version.
32633 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
32635         * doc/invoke.texi (Optimize Options): In table of --param options
32636         rename second occurrence of tracer-min-branch-ratio to
32637         tracer-min-branch-probability, rename
32638         tracer-min-branch-ratio-feedback to
32639         tracer-min-branch-probability-feedback and clarify description,
32640         rename sched-spec-state-edge-prob-cutoff to
32641         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
32642         to selsched-insns-to-rename, rename lto-minpartition to
32643         lto-min-partition, delete reorder-blocks-duplicate and
32644         reorder-blocks-duplicate-feedback.
32646 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
32648         * config/s390/s390.c (s390_register_info_set_ranges): Remove
32649         superfluous loops.
32651 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
32653         * doc/extend.texi: S/390: Correct some typos.
32655 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
32657         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
32659 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
32661         PR target/69625
32662         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
32663         (s390_register_info_gprtofpr): Use new macros above.
32664         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
32665         its name.
32666         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
32667         its name.  Adjust restore and save gpr ranges.
32668         (s390_register_info_set_ranges): New function.
32669         (s390_register_info): Use new macros above.  Call
32670         s390_register_info_set_ranges.
32671         (s390_optimize_register_info): Likewise.
32672         (s390_hard_regno_rename_ok): Use new macros.
32673         (s390_hard_regno_scratch_ok): Likewise.
32674         (s390_emit_epilogue): Likewise.
32675         (s390_can_use_return_insn): Likewise.
32676         (s390_optimize_prologue): Likewise.
32677         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
32679 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
32681         PR bootstrap/69677
32682         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
32683         alignment fixes.
32684         (ix86_option_override_internal): Disable TARGET_STV even for
32685         -m{incoming,preferred}-stack-boundary=3.
32687 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
32689         * config.gcc: Mark deprecated rtems targets as obsolete.
32691 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
32693         PR rtl-optimization/64682
32694         PR rtl-optimization/69567
32695         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
32696         before I2 only if the register is both used and set in I2.
32698 2016-02-04  DJ Delorie  <dj@redhat.com>
32700         * config/msp430/msp430.c (msp430_start_function): Add function type.
32702 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
32704         PR fortran/69368
32705         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
32707 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
32709         PR rtl-optimization/69577
32710         Revert:
32711         2015-10-29  Richard Henderson  <rth@redhat.com>
32713         PR target/68124
32714         PR rtl-opt/67609
32715         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
32716         sse check to the exact conditions of PR 67609.
32718 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
32720         PR target/69667
32721         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
32722         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
32723         not allowed into the traditional Altivec registers.
32724         (movtd_64bit_nodm): Likewise.
32725         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
32727 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
32729         * config/aarch64/cortex-a57-fma-steering.c
32730         (aarch64_register_fma_steering): Remove "static" from arguments
32731         to register_pass.
32733 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
32735         PR target/69619
32736         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
32737         twice when complex.
32739 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
32741         * doc/invoke.texi: Delete -mno-fma4.
32743 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
32745         PR rtl-optimization/69577
32746         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
32747         (find_subregs_of_mode): Update accordingly.  Iterate over partial
32748         definitions.
32750 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
32752         * config/arm/arm-protos.h (neon_reinterpret): Remove.
32753         * config/arm/arm.c (neon_reinterpret): Remove.
32754         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
32755         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
32756         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
32757         vreinterpretti): Remove.
32758         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
32759         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
32760         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
32761         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
32762         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
32763         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
32764         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
32765         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
32766         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
32767         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
32768         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
32769         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
32770         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
32771         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
32772         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
32773         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
32774         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
32775         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
32776         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
32777         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
32778         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
32779         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
32780         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
32781         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
32782         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
32783         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
32784         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
32785         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
32786         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
32787         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
32788         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
32789         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
32790         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
32791         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
32792         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
32793         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
32794         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
32795         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
32796         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
32797         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
32798         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
32799         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
32800         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
32801         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
32802         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
32803         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
32804         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
32805         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
32806         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
32807         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
32808         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
32809         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
32810         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
32811         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
32812         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
32813         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
32814         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
32815         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
32816         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
32817         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
32818         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
32819         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
32820         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
32821         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
32822         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
32823         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
32824         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
32825         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
32826         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
32827         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
32828         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
32829         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
32830         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
32831         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
32832         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
32833         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
32834         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
32835         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
32836         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
32837         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
32838         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
32839         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
32840         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
32841         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
32842         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
32843         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
32844         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
32845         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
32846         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
32847         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
32848         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
32849         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
32850         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
32851         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
32852         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
32853         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
32854         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
32855         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
32856         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
32857         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
32858         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
32859         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
32860         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
32862 2016-02-04  Martin Liska  <mliska@suse.cz>
32864         PR sanitizer/69276
32865         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
32866         that are gimple_store_p.
32867         (maybe_instrument_call): Likewise.
32869 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
32871         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
32872         register scaling out of memory reference and comment why.
32874 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
32876         PR target/65932
32877         PR target/67714
32878         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
32879         folding the source of a SET.
32881 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
32883         PR target/65932
32884         PR target/67714
32885         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
32886         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
32888 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
32890         PR target/65932
32891         PR target/67714
32892         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
32893         HImode.
32895 2016-02-04  Christian Bruel  <christian.bruel@st.com>
32897         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
32898         * config/arm/arm.c (arm_set_current_function): Likewise.
32900 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
32901             Ilya Enkovich  <enkovich.gnu@gmail.com>
32902             H.J. Lu  <hongjiu.lu@intel.com>
32904         PR target/69454
32905         * config/i386/i386.c (convert_scalars_to_vector): Remove
32906         stack alignment fixes.
32907         (ix86_option_override_internal): Disable TARGET_STV if stack
32908         might not be aligned enough.
32909         (ix86_minimum_alignment): Assert that TARGET_STV is false.
32911 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
32913         * config/i386/x86-tune.def: Disable default prefetching
32914         for -march=znver1.
32916 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
32917             Vladimir Makarov  <vmakarov@redhat.com>
32919         PR target/69461
32920         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
32921         in validating fused toc addresses.
32923 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
32925         PR c/69627
32926         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
32927         range->m_caret fields if range->m_show_caret_p is false.
32929         PR target/69644
32930         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
32931         Force oldval into register if it does not satisfy reg_or_short_operand
32932         predicate.  Fix up formatting.
32934 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
32935             Alexandre Oliva  <aoliva@redhat.com>
32937         PR target/69461
32938         * lra-constraints.c (simplify_operand_subreg): Check additionally
32939         address validity after potential reloading.
32940         (process_address_1): Check insns validity.  In case of failure do
32941         nothing.
32943 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
32945         PR target/69118
32946         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
32947         Fix target.
32949 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
32951         * wide-int.cc (canonize_uhwi): New function.
32952         (wi::divmod_internal): Use it.
32954 2016-02-02  James Norris  <jnorris@codesourcery.com>
32956         * gimplify.c (omp_notice_variable): Add usage check.
32958 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
32960         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
32961         like LE, GE, LT, GT when emitting relational operator.
32963 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
32965         * ira-costs.c (find_costs_and_classes): Add extra argument.
32966         * target.def (ira_change_pseudo_allocno_class): Add parameter.
32967         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
32968         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
32969         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
32970         Add best_class parameter, and return it if not ALL_REGS.
32971         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
32972         Add parameter.
32973         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
32974         Update target hook.
32976 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
32978         * config/aarch64/aarch64.c
32979         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
32980         (aarch64_ira_change_pseudo_allocno_class): New function.
32982 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
32984         PR target/67032
32985         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
32987 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
32989         * config/avr/avr.c (avr_option_override): Set
32990         PARAM_ALLOW_STORE_DATA_RACES to 1.
32992 2016-02-02  Richard Biener  <rguenther@suse.de>
32994         PR tree-optimization/69595
32995         * match.pd: Add range test simplifications to true/false.
32997 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
32999         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
33000         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
33001         instead.
33003 2016-02-02  Richard Biener  <rguenther@suse.de>
33005         PR tree-optimization/69606
33006         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
33007         info on the result before moving a stmt.
33009 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
33011         PR middle-end/68542
33012         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
33013         branch with vector comparison.
33014         * config/i386/sse.md (VI48_AVX): New mode iterator.
33015         (define_expand "cbranch<mode>4): Add support for conditional branch
33016         with vector comparison.
33017         * tree-vect-loop.c (optimize_mask_stores): New function.
33018         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
33019         has_mask_store field of vect_info.
33020         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
33021         vectorized loops having masked stores after vec_info destroy.
33022         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
33023         correspondent macros.
33024         (optimize_mask_stores): Add prototype.
33026 2016-02-02  Alan Modra  <amodra@gmail.com>
33028         PR target/69548
33029         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
33030         allow subregs.
33032 2016-02-02  Alan Modra  <amodra@gmail.com>
33034         PR target/68662
33035         * config/rs6000/rs6000.c (need_toc_init): New var, set it
33036         whenever toc_label_name used.
33037         (rs6000_file_start): Don't set up toc section here,
33038         (rs6000_output_function_epilogue): do so here instead,
33039         (rs6000_xcoff_file_start): and here.
33040         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
33041         (load_toc_aix_di): Likewise.
33043 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
33045         PR rtl-optimization/69592
33046         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
33047         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
33048         (num_sign_bit_copies_binary_arith_p): New inline function.
33049         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
33051 2016-02-01  Jeff Law  <law@redhat.com>
33053         PR tree-optimization/69580
33054         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
33055         * tree-ssa-threadbackward.c
33056         (fsm_find_control_statement_thread_paths): Do not try to walk
33057         through large PHI nodes.
33059 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
33061         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
33062         when count is incremented above limit, don't analyze further
33063         insns afterwards.
33065         * omp-low.c (oacc_parse_default_dims): Avoid
33066         -Wsign-compare warning, make sure value fits into int
33067         rather than just unsigned int.
33069 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
33071         PR tree-optimization/67921
33072         * fold-const.c (split_tree): New parameters.  Convert pointer
33073         type variable part to proper type before negating.
33074         (fold_binary_loc): Pass new arguments to split_tree.
33076 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
33078         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
33079         (nvptx_goacc_validate_dims): Extend to handle global defaults.
33080         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
33081         * doc/tm.texti: Rebuilt.
33082         * doc/invoke.texi (fopenacc-dim): Document.
33083         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
33084         (append_compiler_options): Likewise.
33085         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
33086         (oacc_parse_default_dims): New.
33087         (oacc_validate_dims): Add USED arg.  Select non-unity default when
33088         possible.
33089         (oacc_loop_fixed_partitions): Return mask of used partitions.
33090         (oacc_loop_auto_partitions): Emit dump info.
33091         (oacc_loop_partition): Return mask of used partitions.
33092         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
33093         loop partitioning and validation calls.
33095 2016-02-01  Richard Biener  <rguenther@suse.de>
33097         PR middle-end/69556
33098         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
33100 2016-02-01  Richard Biener  <rguenther@suse.de>
33102         PR tree-optimization/69574
33103         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
33104         of asserting return chrec_dont_know.
33106 2016-02-01  Martin Liska  <mliska@suse.cz>
33108         * mem-stats-traits.h: Add copyright header.
33109         * mem-stats.h: Likewise.
33111 2016-02-01  Richard Biener  <rguenther@suse.de>
33113         PR tree-optimization/69579
33114         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
33115         Do not propagate through abnormal PHI results.
33117 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
33119         * postreload.c (reload_cse_simplify): Remove dead code.
33121 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
33123         PR rtl-optimization/69570
33124         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
33125         if there is more than one set, not if there is a single set.
33127 2016-02-01  Richard Henderson  <rth@redhat.com>
33129         PR rtl-opt/69535
33130         * combine.c (make_compound_operation): When looking through a
33131         subreg, make sure to re-extend to the width of the outer mode.
33133 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
33135         PR tree-optimization/69546
33136         * wide-int.cc (wi::divmod_internal): For unsigned division
33137         where both operands fit into uhwi, if o1 is 1 and o0 has
33138         msb set, if divident_prec is larger than bits per hwi,
33139         clear another quotient word and return 2 instead of 1.
33140         Similarly for remainder with msb in HWI set, if dividend_prec
33141         is larger than bits per hwi.
33143 2016-01-29  Martin Jambor  <mjambor@suse.cz>
33145         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
33146         Use short lowercase names.
33147         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
33148         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
33149         acq_rel one.  Protect warning agains segfaults if
33150         get_memory_order_name returns NULL.
33151         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
33152         with release semantics.  Do not warn if get_memory_order already did.
33153         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
33154         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
33155         if get_memory_order already did.
33157 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
33159         * doc/install.texi: Document that isl-0.16 is supported.
33161 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
33163         PR target/69299
33164         * config/i386/constraints.md (Bm): Describe as special memory
33165         constraint.
33166         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
33167         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
33168         * genpreds.c (struct constraint_data): Add is_special_memory.
33169         (have_special_memory_constraints, special_memory_start): New
33170         static vars.
33171         (special_memory_end): Ditto.
33172         (add_constraint): Add new arg is_special_memory.  Add code to
33173         process its true value.  Update have_special_memory_constraints.
33174         (process_define_constraint): Pass the new arg.
33175         (process_define_register_constraint): Ditto.
33176         (choose_enum_order): Process special memory.
33177         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
33178         function insn_extra_special_memory_constraint.
33179         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
33180         * gensupport.c (process_rtx): Process
33181         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
33182         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
33183         * ira-lives.c (single_reg_class): Use
33184         insn_extra_special_memory_constraint.
33185         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
33186         * lra-constraints.c (process_alt_operands): Ditto.
33187         (curr_insn_transform): Use insn_extra_special_memory_constraint.
33188         * recog.c (asm_operand_ok, preprocess_constraints): Process
33189         CT_SPECIAL_MEMORY.
33190         * reload.c (find_reloads): Ditto.
33191         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
33192         * stmt.c (parse_input_constraint): Use
33193         insn_extra_special_memory_constraint.
33195 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
33197         PR target/69530
33198         * lra-splill.c (lra_final_code_change): Revert r229087 by
33199         removing all sub-registers.
33201 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
33203         PR target/65604
33204         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
33206 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
33208         PR target/69551
33209         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
33210         SSE1, copy target into the temporary reg first before recursing
33211         on it.
33213 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
33215         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
33216         with vm.
33218 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
33220         * ginclude/stdarg.h: Test __cplusplus instead of
33221         __GXX_EXPERIMENTAL_CXX0X__.
33223 2016-01-29  Richard Biener  <rguenther@suse.de>
33225         PR tree-optimization/69547
33226         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
33227         Do not mark clobbers necessary.
33228         (mark_all_reaching_defs_necessary_1): Likewise.
33230 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
33232         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
33233         declaration name with %qs and print it in both error messages.
33234         Also fix indentation.
33236 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
33238         PR other/69006
33239         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
33240         trailing blank line from error message.
33242 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
33244         PR c++/69462
33245         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
33246         for C++-11.
33248 2016-01-29  Richard Biener  <rguenther@suse.de>
33250         PR middle-end/69537
33251         * match.pd: Allow all integral types when simplifying a
33252         widening or sign-changing conversion.
33254 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
33256         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
33257         back to setting codegen_error to fail codegen.
33259 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
33261         PR target/69459
33262         * config/i386/constraints.md (C): Only accept constant zero operand.
33263         (BC): New constraint.
33264         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
33265         instead of C constraint.
33266         * doc/md.texi (Machine Constraints): Update description
33267         of C constraint.
33269 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
33271         PR target/68400
33272         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
33274 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
33276         PR middle-end/69542
33277         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
33278         non-debug insns.
33280 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
33282         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
33283         branches if using guessed profile.
33285 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
33287         * graphite-optimize-isl.c (optimize_isl): Fix dump.
33289 2016-01-28  Richard Henderson  <rth@redhat.com>
33291         PR target/69305
33292         * config/aarch64/aarch64-modes.def (CC_Cmode): New
33293         * config/aarch64/aarch64-protos.h: Update.
33294         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
33295         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
33296         (aarch64_get_condition_code_1): Handle CC_Cmode.
33297         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
33298         (*add<mode>3_compareC_cconly_imm): New.
33299         (*add<mode>3_compareC_cconly): New.
33300         (*add<mode>3_compareC_imm): New.
33301         (add<mode>3_compareC): New.
33302         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
33303         to be first.  Use aarch64_carry_operation.
33304         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
33305         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
33306         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
33307         (subti3): Use subdi3_compare1.
33308         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
33309         (sub<mode>3_compare1): New.
33310         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
33311         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
33312         (*subsi3_carryin_uxtw): Likewise.
33313         (*ngc<mode>, *ngcsi_uxtw): Likewise.
33314         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
33315         * config/aarch64/iterators.md (DWI): New.
33316         * config/aarch64/predicates.md (aarch64_carry_operation): New.
33317         (aarch64_borrow_operation): New.
33319 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
33321         * graphite-optimize-isl.c (optimize_isl): Print a different debug
33322         message when isl does not return a valid schedule.
33324 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
33326         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
33327         Remove comments from class declarations: they are already in the code
33328         close by the defs.
33330 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
33332         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
33333         codegen_error_p.
33334         (ternary_op_to_tree): Same.
33335         (unary_op_to_tree): Same.
33336         (nary_op_to_tree): Same.
33337         (gcc_expression_from_isl_expr_op): Same.
33338         (gcc_expression_from_isl_expression): Same.
33339         (graphite_create_new_loop): Same.
33340         (graphite_create_new_loop_guard): Same.
33341         (build_iv_mapping): Same.
33342         (graphite_create_new_guard): Same.
33343         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
33344         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
33346 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
33348         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
33349         instead of setting codegen_error to fail codegen.
33351 2016-01-28  Jason Merrill  <jason@redhat.com>
33353         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
33355 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
33357         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
33358         Remove CONST_INT_P check in CCMP cost calculation.
33360 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
33362         * config/aarch64/aarch64.c (generic_vector_cost):
33363         Set vec_permute_cost.
33364         (cortexa57_vector_cost): Likewise.
33365         (exynosm1_vector_cost): Likewise.
33366         (xgene1_vector_cost): Likewise.
33367         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
33368         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
33369         Add vec_permute_cost entry.
33371 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
33373         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
33374         immediate as %1.
33375         (add<mode>3_compare0): Likewise.
33376         (addsi3_compare0_uxtw): Likewise.
33377         (add<mode>3nr_compare0): Likewise.
33378         (compare_neg<mode>): Likewise.
33379         (<optab><mode>3): Likewise.
33381 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
33383         * tree-vect-stmts.c (vectorizable_comparison): Add
33384         NULL check for vectype.
33386 2016-01-28  Richard Biener  <rguenther@suse.de>
33388         PR tree-optimization/69466
33389         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
33390         Account for PHIs we couldn't duplicate.
33392 2016-01-28  Martin Liska  <mliska@suse.cz>
33394         PR pch/68758
33395         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
33396         instead of ENABLE_VALGRIND_CHECKING.
33398 2016-01-27  Richard Henderson  <rth@redhat.com>
33400         PR rtl-opt/69447
33401         * lra-remat.c (subreg_regs): New.
33402         (dump_candidates_and_remat_bb_data): Dump it.
33403         (operand_to_remat): Reject if operand in subreg_regs.
33404         (set_bb_regs): Collect subreg_regs.
33405         (lra_remat): Init and free subreg_regs.  Compute
33406         calculate_local_reg_remat_bb_data before create_cands.
33408 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
33410         PR target/68986
33411         * config/i386/i386.c (ix86_update_stack_boundary): Don't
33412         change stack_alignment_needed for __tls_get_addr call.
33414 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
33416         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
33418 2016-01-27  Jeff Law  <law@redhat.com>
33420         PR tree-optimization/68398
33421         PR tree-optimization/69196
33422         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
33423         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
33424         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
33425         Only count PHIs in the last block in the path.  The others will
33426         const/copy propagate away.  Add heuristic to allow more irreducible
33427         subloops to be created when it is likely profitable to do so.
33429         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
33430         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
33431         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
33433 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
33435         PR lto/69254
33436         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
33437         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
33438         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
33439         * tree-streamer-in.c: Include asan.h.
33440         (streamer_get_builtin_tree): For builtins in sanitizer
33441         range call initialize_sanitizer_builtins and retry.
33443 2016-01-27  Ian Lance Taylor  <iant@google.com>
33445         * common.opt (fkeep-gc-roots-live): New undocumented option.
33446         * tree-ssa-loop-ivopts.c (add_candidate_1): If
33447         -fkeep-gc-roots-live, skip pointers.
33448         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
33449         NULL.
33451 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
33453         PR target/69512
33454         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
33455         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
33457 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
33459         PR target/68380
33460         * configure.ac: NetBSD provides SSP in its C library.
33461         * configure: Updated.
33463 2016-01-27  Richard Biener  <rguenther@suse.de>
33465         PR tree-optimization/69166
33466         * tree-vect-loop.c (vect_is_simple_reduction): Always check
33467         reduction code for commutativity / associativity.
33469 2016-01-27  Martin Jambor  <mjambor@suse.cz>
33471         PR tree-optimization/69355
33472         * tree-sra.c (analyze_access_subtree): Correct hole detection when
33473         total_scalarization fails.
33475 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
33477         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
33478         power9.
33480 2016-01-27  Christian Bruel  <christian.bruel@st.com>
33482         PR target/69245
33483         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
33484         Move arm_reset_previous_fndecl and set_target_option_current_node in
33485         the conditional part.  Call save_restore_target_globals.
33486         * config/arm/arm.c (arm_set_current_function):
33487         Refactor to better support #pragma target and attribute mix.
33488         Call save_restore_target_globals.
33489         * config/arm/arm-protos.h (save_restore_target_globals): New function.
33491 2016-01-27  Martin Liska  <mliska@suse.cz>
33493         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
33494         reference for an HSA kernel and its host function.
33496 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
33498         PR tree-optimization/69399
33499         * wide-int.h (wi::lrshift): For larger precisions, only
33500         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
33502 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
33504         * config/arc/predicates.md (proper_comparison_operator): Reject
33505         constant-constant comparison.
33507 2016-01-26  Tom de Vries  <tom@codesourcery.com>
33509         PR tree-optimization/69110
33510         * tree-data-ref.c (initialize_data_dependence_relation): Handle
33511         DR_NUM_DIMENSIONS == 0.
33513 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
33514             Sebastian Pop  <s.pop@samsung.com>
33516         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
33517         isl_ast_op_cond and isl_ast_op_select.
33518         (gcc_expression_from_isl_expr_op): Same.
33520 2016-01-26  Jason Merrill  <jason@redhat.com>
33522         PR c++/68782
33523         * tree.c (recompute_constructor_flags): Split out from
33524         build_constructor.
33525         (verify_constructor_flags): New.
33526         * tree.h: Declare them.
33528 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
33530         PR rtl-optimization/69217
33531         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
33532         are no TYPE_FIELDS set for the record type.
33534 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
33536         PR target/68662
33537         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
33538         toc_label_name unconditionally.
33539         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
33540         SYMBOL_REF string.  Use toc_label_name instead of constructing
33541         LCTOC1.
33542         (rs6000_elf_declare_function_name): Use toc_label_name instead of
33543         constructing LCTOC1.
33545 2016-01-26  Martin Sebor  <msebor@redhat.com>
33547         PR other/69477
33548         * doc/extend.texi (Common Type Attributes): Move text that talks about
33549         attribute packed from attribute aligned to the section discussing
33550         the former attribute for clarity.
33552 2016-01-26  Richard Henderson  <rth@redhat.com>
33554         PR middle-end/60908
33555         * trans-mem.c (tm_region_init): Mark entry block as visited.
33557 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
33559         PR other/69006
33560         * diagnostic-show-locus.c (layout::print_source_line): Replace
33561         call to pp_newline with call to layout::print_newline.
33562         (layout::print_annotation_line): Likewise.
33563         (layout::move_to_column): Likewise.
33564         (layout::print_any_fixits): After printing any fixits, print a
33565         trailing newline, if necessary.
33566         (layout::print_newline): New method, resetting any colorization
33567         before a newline.
33568         (diagnostic_show_locus): Move the pp_newline to before the
33569         early bailout.  Remove dummy block enclosing the layout instance.
33570         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
33571         of pp_newline_and_flush with pp_flush.
33572         (diagnostic_append_note): Delete use of pp_newline.
33573         (diagnostic_append_note_at_rich_loc): Delete.
33574         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
33575         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
33576         when newline characters are added to the buffer.
33578 2016-01-26  Michael Matz  <matz@suse.de>
33580         * configure.ac (ac_cv_std_swap_in_utility): New test.
33581         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
33582         * configure: Regenerate.
33583         * config.in: Regenerate.
33585 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
33587         * config/arc/arc.md (cstoresi4): Force operand into register.
33588         (arcset<code>): Fix predicate.
33589         (arcsetltu): Likewise.
33590         (arcsetgeu): Likewise.
33591         (arcsethi): Likewise.
33592         (arcsetls): Likewise.
33594 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
33596         PR tree-optimization/69483
33597         * gimple-fold.c (canonicalize_constructor_val): Return NULL
33598         if base has error_mark_node type.
33600 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
33602         PR target/68620
33603         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
33604         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
33605         New helper macros.
33606         (vget_lane_f16): Handle big-endian.
33607         (vgetq_lane_f16): Likewise.
33608         (vset_lane_f16): Likewise.
33609         (vsetq_lane_f16): Likewise.
33610         * config/arm/iterators.md (VQXMOV): Add V8HF.
33611         (VDQ): Add V4HF and V8HF.
33612         (V_reg): Handle V4HF and V8HF.
33613         (Is_float_mode): Likewise.
33614         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
33615         neon_vdup_nv8hf): New patterns.
33616         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
33617         Use VD_LANE iterator.
33618         (neon_vld1_dup<mode>): Use VQ2 iterator.
33620 2016-01-26  Nathan Sidwell  <nathan@acm.org>
33622         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
33623         (set_oacc_fn_attrib): Add IS_KERNEL arg.
33624         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
33625         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
33626         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
33627         (oacc_validate_dims): Add LEVEL arg, don't return level.
33628         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
33629         oacc_validate_dims.
33630         (execute_oacc_device_lower): Adjust, add more dump output.
33631         * tree-ssa-loop.c (gate_oacc_kernels): Use
33632         oacc_fn_attrib_kernels_p.
33633         * tree-parloops.c (create_parallel_loop): Adjust
33634         set_oacc_fn_attrib call.
33636 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
33638         PR lto/69254
33639         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
33640         (append_compiler_options): Handle -fcilkplus.
33641         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
33643 2016-01-26  Nick Clifton  <nickc@redhat.com>
33645         PR target/66655
33646         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
33647         been marked as DECL_ONE_ONLY but we do not the means to make it
33648         so, then do not allow it to bind locally.
33650 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
33652         PR lto/69254
33653         * opts.h (parse_sanitizer_options): New prototype.
33654         * opts.c (sanitizer_opts): New array.
33655         (parse_sanitizer_options): New function.
33656         (common_handle_option): Use parse_sanitizer_options.
33658 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
33660         PR target/68986
33661         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
33662         alignment adjustment to ...
33663         (ix86_update_stack_boundary): Here.  Don't over-align stack for
33664         __tls_get_addr.
33665         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
33666         if __tls_get_addr is called.
33668 2016-01-26  Christian Bruel  <christian.bruel@st.com>
33670         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
33672 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
33674         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
33676 2016-01-26  Richard Biener  <rguenther@suse.de>
33678         PR middle-end/69467
33679         * match.pd: Guard X * CST CMP 0 pattern with single_use.
33681 2016-01-26  Richard Biener  <rguenther@suse.de>
33683         PR tree-optimization/69452
33684         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
33685         (move_computations_dom_walker::before_dom_children): Rename
33686         to ...
33687         (move_computations_worker): This.
33688         (move_computations): Perform an RPO rather than a DOM walk.
33690 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
33692         PR target/69442
33693         * combine.c (combine_instructions): For REG_EQUAL note with
33694         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
33695         to the underlying register.
33696         * doc/rtl.texi (REG_EQUAL): Document the behavior of
33697         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
33699 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
33701         PR target/67896
33702         * config/aarch64/aarch64-builtins.c
33703         (aarch64_init_simd_builtin_types): Do not set structural
33704         equality to __Poly{8,16,64,128}_t types.
33706 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
33708         PR tree-optimization/69400
33709         * wide-int.cc (wi_pack): Take the precision as argument and
33710         perform canonicalization here rather than in the callers.
33711         Use the main loop to handle all full-width HWIs.  Add a
33712         zero HWI if in_len isn't a full result.
33713         (wi::divmod_internal): Update accordingly.
33714         (wi::mul_internal): Likewise.  Simplify.
33716 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
33717             Sebastian Pop  <s.pop@samsung.com>
33719         * graphite-poly.c (apply_poly_transforms): Simplify.
33720         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
33721         (print_isl_map): Same.
33722         (print_isl_union_map): Same.
33723         (print_isl_schedule): New.
33724         (debug_isl_schedule): New.
33725         * graphite-dependences.c (scop_get_reads): Do not call
33726         isl_union_map_add_map that is undocumented isl functionality.
33727         (scop_get_must_writes): Same.
33728         (scop_get_may_writes): Same.
33729         (scop_get_original_schedule): Remove.
33730         (scop_get_dependences): Do not call isl_union_map_compute_flow that
33731         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
33732         (compute_deps): Remove.
33733         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
33734         (debug_schedule_ast): New.
33735         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
33736         set_separate_option.
33737         (graphite_regenerate_ast_isl): Add dump.
33738         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
33739         from scop->transformed_schedule.
33740         (graphite_regenerate_ast_isl): Add more dump.
33741         * graphite-optimize-isl.c (optimize_isl): Set
33742         scop->transformed_schedule.  Check whether schedules are equal.
33743         (apply_poly_transforms): Move here.
33744         * graphite-poly.c (apply_poly_transforms): ... from here.
33745         (free_poly_bb): Static.
33746         (free_scop): Static.
33747         (pbb_number_of_iterations_at_time): Remove.
33748         (print_isl_ast): New.
33749         (debug_isl_ast): New.
33750         (debug_scop_pbb): New.
33751         * graphite-scop-detection.c (print_edge): Move.
33752         (print_sese): Move.
33753         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
33754         (build_scop_scattering): Remove.
33755         (create_pw_aff_from_tree): Assert instead of bailing out.
33756         (add_condition_to_pbb): Remove unused code, do not fail.
33757         (add_conditions_to_domain): Same.
33758         (add_conditions_to_constraints): Remove.
33759         (build_scop_context): New.
33760         (add_iter_domain_dimension): New.
33761         (build_iteration_domains): Initialize pbb->iterators.
33762         Call add_conditions_to_domain.
33763         (nested_in): New.
33764         (loop_at): New.
33765         (index_outermost_in_loop): New.
33766         (index_pbb_in_loop): New.
33767         (outermost_pbb_in): New.
33768         (add_in_sequence): New.
33769         (add_outer_projection): New.
33770         (outer_projection_mupa): New.
33771         (add_loop_schedule): New.
33772         (build_schedule_pbb): New.
33773         (build_schedule_loop): New.
33774         (embed_in_surrounding_loops): New.
33775         (build_schedule_loop_nest): New.
33776         (build_original_schedule): New.
33777         (build_poly_scop): Call build_original_schedule.
33778         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
33779         (free_poly_dr): Remove.
33780         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
33781         (free_poly_bb): Remove.
33782         (debug_loop_vec): Remove.
33783         (print_isl_ast): Declare.
33784         (debug_isl_ast): Declare.
33785         (scop_do_interchange): Remove.
33786         (scop_do_strip_mine): Remove.
33787         (scop_do_block): Remove.
33788         (flatten_all_loops): Remove.
33789         (optimize_isl): Remove.
33790         (pbb_number_of_iterations_at_time): Remove.
33791         (debug_scop_pbb): Declare.
33792         (print_schedule_ast): Declare.
33793         (debug_schedule_ast): Declare.
33794         (struct scop): Remove schedule.  Add original_schedule,
33795         transformed_schedule.
33796         (free_gimple_poly_bb): Remove.
33797         (print_generated_program): Remove.
33798         (debug_generated_program): Remove.
33799         (unify_scattering_dimensions): Remove.
33800         * sese.c (print_edge): ... here.
33801         (print_sese): ... here.
33802         (debug_edge): ... here.
33803         (debug_sese): ... here.
33804         * sese.h (print_edge): Declare.
33805         (print_sese): Declare.
33806         (dump_edge): Declare.
33807         (dump_sese): Declare.
33809 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
33810             Sebastian Pop  <s.pop@samsung.com>
33812         * Makefile.in: Set ISLVER in site.exp.
33814 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
33816         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
33817         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
33818         through DECL_VALUE_EXPR for expansion.
33820 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
33822         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
33823         the frame info after reload completed.
33825 2016-01-25  Jeff Law  <law@redhat.com>
33827         PR tree-optimization/69196
33828         PR tree-optimization/68398
33829         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
33830         tree-ssa-threadupdate.c.
33831         (determine_bb_domination_status): Prototype
33832         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
33833         (determine_bb_domination_status): No longer static.
33834         (valid_jump_thread_path): Remove code to detect characteristics
33835         of the jump thread path not associated with correctness.
33836         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
33837         Correct test for thread path length.  Count PHIs for real operands as
33838         statements that need to be copied.  Do not count ASSERT_EXPRs.
33839         Look at all the blocks in the thread path.  Compute and selectively
33840         filter thread paths based on threading through the latch, threading
33841         a multiway branch or crossing a multiway branch.
33843 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
33845         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
33846         decl with __attribute__ ((unused)) annotation.
33848 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
33850         PR target/69421
33851         * tree-vect-stmts.c (vectorizable_condition): Check vectype
33852         of operands is compatible with a statement vectype.
33854 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
33856         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
33857         improve wording for mixed storage order support.
33859 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
33861         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
33862         (vcvt_u64_f64): Likewise.
33863         (vcvta_s64_f64): Likewise.
33864         (vcvta_u64_f64): Likewise.
33865         (vcvtm_s64_f64): Likewise.
33866         (vcvtm_u64_f64): Likewise.
33867         (vcvtn_s64_f64): Likewise.
33868         (vcvtn_u64_f64): Likewise.
33869         (vcvtp_s64_f64): Likewise.
33870         (vcvtp_u64_f64): Likewise.
33872 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
33874         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
33875         (arc_init): Check validity mll64 option.
33876         (arc_save_restore): Use double load/store instruction.
33877         (arc_expand_movmem): Likewise.
33878         (arc_split_move): Don't split if we have double load/store
33879         instructions. Returns a boolean.
33880         (arc_process_double_reg_moves): Change function to return boolean
33881         instead of a sequence of instructions.
33882         (arc_dwarf_register_span): New function.
33883         * config/arc/arc-protos.h (arc_split_move): Change prototype.
33884         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
33885         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
33886         (*movdf_insn): Likewise.
33887         * config/arc/arc.opt (mll64): New option.
33888         * config/arc/predicates.md (even_register_operand): New predicate.
33889         * doc/invoke.texi (ARC Options): Add mll64 documentation.
33891 2016-01-25  Richard Biener  <rguenther@suse.de>
33893         PR lto/69393
33894         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
33895         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
33896         DECL_NAMELESS.
33897         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
33899 2016-01-25  Richard Biener  <rguenther@suse.de>
33901         PR tree-optimization/69376
33902         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
33903         flag.
33904         (VN_INFO_ANTI_RANGE_P): New inline.
33905         (VN_INFO_RANGE_TYPE): Likewise.
33906         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
33907         SSA_NAME_ANTI_RANGE_P.
33908         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
33909         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
33910         Properly query VN_INFO_RANGE_TYPE.
33912 2016-01-25  Nick Clifton  <nickc@redhat.com>
33914         PR target/66655
33915         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
33917 2016-01-23  Tom de Vries  <tom@codesourcery.com>
33919         PR tree-optimization/69426
33920         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
33921         removed clobber.
33923 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
33925         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
33926         "the the" with "the" in the comments.
33927         * ipa-devirt.c (build_type_inheritance_graph,
33928         update_type_inheritance_graph): Likewise.
33929         * tree.c (build_function_type_list_1): Likewise.
33930         * cfgloopmanip.c (scale_loop_profile): Likewise.
33931         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
33932         * gimple-ssa-split-paths.c
33933         (find_block_to_duplicate_for_splitting_paths): Likewise.
33934         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
33935         * expr.c (convert_move): Likewise.
33936         * var-tracking.c (vt_stack_adjustments): Likewise.
33937         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
33938         * tree-vrp.c (test_for_singularity): Likewise.
33940         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
33941         directly instead of building a temporary tree.
33943         PR bootstrap/69434
33944         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
33945         remove <algorithm> include.
33947 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
33949         PR target/69432
33950         * config/i386/i386.c: Include dojump.h.
33951         (expand_small_movmem_or_setmem,
33952         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
33953         fixes.
33954         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
33955         if dynamic_check != -1.
33957 2016-01-21  Jeff Law  <law@redhat.com>
33959         PR middle-end/69347
33960         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
33961         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
33962         into dominated_by_p.
33963         (cprop_into_successor_phis): Avoid unnecessary tests.
33965 2016-01-22  Richard Henderson  <rth@redhat.com>
33967         PR target/69416
33968         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
33969         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
33971 2016-01-22  Michael Matz  <matz@suse.de>
33973         * system.h (string, algorithm): Include only conditionally.
33974         (new): Include always under C++.
33975         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
33976         * final.c (toplevel): Ditto.
33977         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
33978         * genconditions.c (write_header): Make gencondmd.c define
33979         INCLUDE_STRING.
33980         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
33982         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
33983         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
33985 2016-01-22  Christian Bruel  <christian.bruel@st.com>
33987         PR target/68674
33988         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
33990 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
33992         PR target/69403
33993         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
33994         define_insn_and_split.  Ensure operands[1] and operands[0] do not
33995         get assigned the same register.
33997 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
33999         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
34001 2016-01-22  Christian Bruel  <christian.bruel@st.com>
34003         * config/arm/arm-c.c (arm_pragma_target_parse):
34004         Remove warn_builtin_macro_redefined overwrite.
34006 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
34008         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
34009         flag_non_call_exceptions compatibility.
34011 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
34013         PR debug/66668
34014         * dwarf2out.c (add_child_die_after): New function.
34015         (dwarf_qual_info_t): New type.
34016         (dwarf_qual_info): New variable.
34017         (qualified_die_p): New function.
34018         (modified_type_die): For -fdebug-types-section, ensure
34019         canonical order of qualifiers.  Put qualified DIEs adjacent
34020         to the corresponding non-qualified type DIE and search there
34021         for existing qualified DIEs.
34023 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
34025         * doc/extend.texi (scalar_storage_order type attribute): Document
34026         restriction on type punning and aliasing, and remove future tense.
34028 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
34030         PR target/69252
34031         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
34032         first stage.
34034 2016-01-21  Jeff Law  <law@redhat.com>
34036         PR middle-end/69347
34037         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
34038         useless call to record_temporary_equivalences.
34039         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
34040         allocate 10 slots in the bb_path vector and let it grow as needed.
34041         (fsm_find_control_statement_thread_paths): Similarly for the next_path
34042         vector.
34044 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
34046         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
34047         Detangle.
34048         * configure: Regenerate.
34050 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
34052         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
34053         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
34055 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
34057         PR middle-end/66178
34058         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
34059         drop EXPAND_INITIALIZER.
34060         * rtl.h (contains_symbolic_reference_p): Declare.
34061         * rtlanal.c (contains_symbolic_reference_p): New function.
34062         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
34063         a subtraction into a NOT if symbolic constants are involved.
34065 2016-01-21  Anton Blanchard  <anton@samba.org>
34066             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
34068         PR target/63354
34069         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
34070         #define.
34071         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
34072         function.
34074 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
34076         * config/microblaze/microblaze.c
34077         (get_branch_target): New.
34078         (insert_wic_for_ilb_runout): New.
34079         (insert_wic): New.
34080         (microblaze_machine_dependent_reorg): New.
34081         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
34082         * config/microblaze/microblaze.md
34083         (UNSPEC_IPREFETCH): Define.
34084         (iprefetch): New pattern
34085         * config/microblaze/microblaze.opt
34086         (mxl-prefetch): New flag.
34088 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
34090         * config/microblaze/microblaze.h
34091         (FIXED_REGISTERS): Update in macro.
34092         (CALL_USED_REGISTERS): Update in macro.
34094 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
34096         PR rtl-optimization/68920
34097         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
34098         moves.
34100 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
34102         PR rtl-optimization/68990
34103         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
34104         pseudo instead of inheritance ones.
34106 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
34107             Nick Clifton  <nickc@redhat.com>
34109         PR target/69129
34110         PR target/69012
34111         * config/mips/mips.c (mips_compute_frame_info): Initialise
34112         args_size and hard_frame_pointer_offset fields of the frame
34113         structure before calling mips_global_pointer.
34115 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
34117         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
34118         label reference.
34119         * configure: Regenerate.
34121 2016-01-21  Richard Biener  <rguenther@suse.de>
34123         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
34125 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
34127         * config/s390/s390.c (s390_asm_declare_function_size): Add code
34128         to actually emit the .size directive.
34130 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
34131              Jakub Jelinek  <jakub@redhat.com>
34133         PR target/69187
34134         PR target/65624
34135         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
34136         args array size by one to avoid buffer overflow.
34138 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
34140         * config/s390/s390.md (pool_section_start): Use switch_to_section
34141         to select proper read-only data section instead of hardcoding
34142         .rodata.
34143         (pool_section_end): Use switch_to_section to match the above.
34145 2016-01-21  Richard Biener  <rguenther@suse.de>
34147         PR tree-optimization/69378
34148         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
34149         (set_ssa_val_to): Use it for dominance checks taking into
34150         account not executable edges.
34152 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
34154         PR c++/69355
34155         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
34156         for bitsize instead of GET_MODE_PRECISION (mode).
34158 2016-01-20  Martin Sebor  <msebor@redhat.com>
34160         PR c/52291
34161         * extend.texi (__sync Builtins): Clarify the semantics of
34162         __sync_fetch_and_OP built-ins on pointers.
34163         (__atomic Builtins): Same.
34165 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34166             Sebastian Pop  <s.pop@samsung.com>
34168         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
34169         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
34170         (is_valid_rename): Same.
34171         (translate_isl_ast_to_gimple::get_rename): Same.
34172         (translate_isl_ast_to_gimple::rename_all_uses): Same.
34173         (translate_isl_ast_to_gimple::rename_uses): Same.
34174         (get_new_name): Check for close_phi nodes.
34175         (copy_loop_phi_args): Use phi_node_kind.
34176         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
34177         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
34179 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34180             Sebastian Pop  <s.pop@samsung.com>
34182         Revert commit r229783.
34183         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
34184         Remove use of parameter_rename_map.
34185         (copy_def): Remove.
34186         (copy_internal_parameters): Remove.
34187         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
34188         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
34189         (free_sese_info): Do not free parameter_rename_map.
34190         (set_rename): Do not use parameter_rename_map.
34191         (rename_uses): Update call to set_rename.
34192         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
34193         * sese.h (parameter_rename_map_t): Remove.
34194         (struct sese_info_t): Remove field parameter_rename_map.
34196 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34197             Sebastian Pop  <s.pop@samsung.com>
34199         * graphite-isl-ast-to-gimple.c: Fix comment.
34200         * graphite-scop-detection.c (defined_in_loop_p): New.
34201         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
34202         names defined in loop.
34204 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34205             Sebastian Pop  <s.pop@samsung.com>
34207         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
34208         Discard unstructured if-then-else regions.
34210 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34211             Sebastian Pop  <s.pop@samsung.com>
34213         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
34214         (cleanup_loop_iter_dom): Remove.
34215         (build_loop_iteration_domains): Remove.
34216         (build_scop_context): Remove.
34217         (build_scop_iteration_domain): Remove.
34218         (add_loop_constraints): New.
34219         (build_iteration_domains): New.
34220         (build_poly_scop): Call build_iteration_domains.
34222 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34223             Sebastian Pop  <s.pop@samsung.com>
34225         * graphite-scop-detection.c
34226         (scop_detection::harmful_loop_in_region): Free dom and loops.
34227         (scop_detection::loop_body_is_valid_scop): Free bbs.
34229 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34230             Sebastian Pop  <s.pop@samsung.com>
34232         * graphite-scop-detection.c (record_loop_in_sese): New.
34233         (gather_bbs::before_dom_children): Call record_loop_in_sese.
34234         (build_scops): Remove call to build_sese_loop_nests.
34235         * sese.c (sese_record_loop): Remove.
34236         (build_sese_loop_nests): Remove.
34237         (new_sese_info): Remove region->loops.
34238         (free_sese_info): Same.
34239         * sese.h (sese_contains_loop): Same.
34240         (build_sese_loop_nests): Remove.
34241         (sese_contains_loop): Remove.
34243 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34244             Sebastian Pop  <s.pop@samsung.com>
34246         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
34247         loop_is_valid_in_scop.
34248         (scop_detection::harmful_stmt_in_region): Renamed
34249         harmful_loop_in_region.
34250         Call loop_is_valid_in_scop.
34252 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34253             Sebastian Pop  <s.pop@samsung.com>
34255         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
34256         isl_ast_node_mark.
34258 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34259             Sebastian Pop  <s.pop@samsung.com>
34261         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
34262         * graphite.h (struct poly_bb): Remove field is_reduction.
34263         (PBB_IS_REDUCTION): Remove.
34265 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
34266             Sebastian Pop  <s.pop@samsung.com>
34268         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
34269         (add_pdr_constraints): Same.
34270         (scop_get_reads): Same.
34271         (scop_get_must_writes): Same.
34272         (scop_get_may_writes): Same.
34273         (scop_get_original_schedule): Same.
34274         (extend_schedule): Same.
34275         (apply_schedule_on_deps): Same.
34276         (carries_deps): Same.
34277         (compute_deps): Same.
34278         (scop_get_dependences): Same.
34279         * graphite-isl-ast-to-gimple.c
34280         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
34281         * graphite-optimize-isl.c (get_schedule_for_band): Same.
34282         (get_schedule_for_band_list): Same.
34283         (get_schedule_map): Same.
34284         (apply_schedule_map_to_scop): Same.
34285         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
34286         (build_loop_iteration_domains): Same.
34287         (add_condition_to_pbb): Same.
34288         (add_param_constraints): Same.
34289         (pdr_add_memory_accesses): Same.
34290         (pdr_add_data_dimensions): Same.
34292 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
34294         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
34295         requirements.
34297 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
34299         * common.opt (feliminate-dwarf2-dups): Replace references to
34300         "DWARF 2" with just "DWARF".
34301         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
34302         * doc/extend.texi: Likewise.
34303         * doc/cpp.texi: Likewise.
34304         * doc/invoke.texi: Likewise.
34305         (Option Summary): Add -gdwarf to list of Debugging Options.
34306         (Debugging Options): Document -gdwarf.
34307         * doc/contrib.texi: Spell "DWARF" like that.
34309 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
34311         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
34312         warning.  Fix up formatting.
34314         PR middle-end/67653
34315         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
34316         attempt to mark memory input operand addressable and
34317         call prepare_gimple_addressable in that case.  Don't adjust
34318         input_location for diagnostics, use error_at instead.
34320 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
34322         * config/rs6000/ppc-auxv.h: New file.
34323         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
34324         (cpu_is): Likewise.
34325         (cpu_supports): Likewise.
34326         * config/rs6000/rs6000.c: include "ppc-auxv.h".
34327         (cpu_is_info): New variable.
34328         (cpu_supports_info): Likewise.
34329         (tcb_verification_symbol): Likewise.
34330         (cpu_builtin_p): Likewise.
34331         (cpu_expand_builtin): New function.
34332         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
34333         (rs6000_init_builtins): Likewise.
34334         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
34335         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
34336         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
34337         * configure: Regenerate.
34338         * config.in: Likewise.
34339         * doc/extend.texi (PowerPC Built-in Functions): Document
34340         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
34342 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
34344         PR target/68609
34345         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
34346         domain check.
34347         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
34348         for V4SFmode.
34350 2016-01-20  Richard Henderson  <rth@redhat.com>
34352         PR bootstrap/69343
34353         PR bootstrap/69339
34354         PR tree-opt/68964
34355         Revert:
34356         * tree.c (tm_define_builtin): New.
34357         (find_tm_vector_type): New.
34358         (build_tm_vector_builtins): New.
34359         (build_common_builtin_nodes): Call it.
34361 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
34363         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
34364         (arm_fp_ok): Likewise.
34365         (arm_fp): Likewise.
34366         (arm_crypto): Likewise.
34368 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
34369             Richard Biener  <rguenther@suse.de>
34371         PR tree-optimization/69328
34372         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
34373         vectors have same number of elements.
34374         (vectorizable_condition): Fix masked version recognition.
34376 2016-01-20  Richard Biener  <rguenther@suse.de>
34378         PR tree-optimization/69345
34379         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
34380         (VN_INFO_PTR_INFO): Likewise.
34381         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
34382         info when it is equal between non-dominating SSA names.
34383         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
34384         Make sure to look at original SSA infos.
34386 2016-01-20  Jeff Law  <law@redhat.com>
34388         PR target/25114
34389         * config/m68k/predicates.md (pow2_m1_operand): New predicate
34390         extracted from ...
34391         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
34392         (pc_or_label_operand): New predicate.
34393         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
34394         tests for small integers that are 2^n - 1.
34396 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
34398         * doc/invoke.texi (Options Summary): Add '.' after @xref.
34400 2016-01-19  Jeff Law  <law@redhat.com>
34402         PR middle-end/69347
34403         * tree-ssa-threadbackwards.c
34404         (fsm_find_control_statement_thread_paths): Do not try to lookup
34405         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
34407 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
34409         * doc/lto.texi: Remove text that says only Gold has linker plugin
34410         support.
34412 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
34414         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
34415         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
34416         the DIE accordingly.
34417         (modified_type_die): Add REVERSE parameter and pass it recursively,
34418         as well as to base_type_die.  Adjust presence check accordingly.
34419         (base_type_for_mode): Adjust call to modified_type_die.
34420         (add_type_attribute): Add REVERSE parameter and pass it to
34421         modified_type_die.
34422         (generic_parameter_die): Adjust call to add_type_attribute.
34423         (add_scalar_info): Likewise.
34424         (add_subscript_info): Likewise.
34425         (gen_array_type_die): Likewise.
34426         (gen_descr_array_type_die): Likewise.
34427         (gen_entry_point_die): Likewise.
34428         (gen_enumeration_type_die): Likewise.
34429         (gen_formal_parameter_die): Likewise.
34430         (gen_subprogram_die): Likewise.
34431         (gen_variable_die ): Likewise.
34432         (gen_const_die): Likewise.
34433         (gen_field_die): Likewise.
34434         (gen_pointer_type_die): Likewise.
34435         (gen_reference_type_die): Likewise.
34436         (gen_ptr_to_mbr_type_die): Likewise.
34437         (gen_inheritance_die): Likewise.
34438         (gen_subroutine_type_die): Likewise.
34439         (gen_typedef_die): Likewise.
34440         (force_type_die): Adjust call to modified_type_die.
34442 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
34444         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
34445         flow throughout the file.  Fix broken link to Objective-C 2.0
34446         documentation.
34447         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
34448         errors.
34450 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
34452         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
34454 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
34456         PR ipa/66223
34457         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
34458         (maybe_record_node): Record cxa_pure_virtual as the only possible
34459         target if there are not ohter candidates.
34460         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
34462 2016-01-19  Richard Biener  <rguenther@suse.de>
34464         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
34465         (get_memory_order): Likewise.
34467 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
34469         * tree-vect-stmts.c (vectorizable_store): Check
34470         rhs vectype.
34472 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
34474         PR jit/68446
34475         * gcc.c (driver::decode_argv): Add call to
34476         init_opts_obstack before init_options_struct.
34477         * opts.c (init_opts_obstack): Remove idempotency.
34478         (init_options_struct): Replace call to init_opts_obstack
34479         with a gcc_assert to verify that it has already been called.
34480         * toplev.c (toplev::main): Add call to init_opts_obstack before
34481         calls to init_options_struct.
34482         (toplev::finalize): Move cleanup of opts_obstack next to
34483         cleanup of save_decoded_options, clearing the latter, and
34484         save_decoded_options_count.
34486 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
34488         PR target/69135
34489         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
34490         attribute to unconditional.  Remove %? from output template.
34492 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
34493             Jiong Wang  <jiong.wang@arm.com>
34495         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
34496         generated from different expand order.
34498 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
34500         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
34501         Add support for CCMP costing.
34503 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
34505         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
34506         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
34507         (fccmpe<mode>): Likewise.
34508         (fcmp): Rename to fcmp and globalize pattern.
34509         (fcmpe): Likewise.
34510         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
34511         (aarch64_gen_ccmp_next): Add FP support.
34513 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
34515         * target.def (gen_ccmp_first): Update documentation.
34516         (gen_ccmp_next): Likewise.
34517         * doc/tm.texi (gen_ccmp_first): Update documentation.
34518         (gen_ccmp_next): Likewise.
34519         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
34520         expand_ccmp_expr_1.  Improve comments.
34521         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
34522         (ccmp_ior<mode>): Remove pattern.
34523         (cmp<mode>): Remove expand.
34524         (cmp): Globalize pattern.
34525         (cstorecc4): Use cc_register.
34526         (mov<mode>cc): Remove ccmp_cc_register check.
34527         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
34528         Simplify after removal of CC_DNE/* modes.
34529         (aarch64_ccmp_mode_to_code): Remove.
34530         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
34531         In 'k' case use integer as condition.
34532         (aarch64_nzcv_codes): Remove inverted cases.
34533         (aarch64_code_to_ccmode): Remove.
34534         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
34535         comparison with CC register to be used in folowing CCMP/branch/CSEL.
34536         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
34537         pattern.  Return the comparison with CC register.  Invert conditions
34538         when bitcode is OR.
34539         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
34540         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
34542 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
34544         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
34545         instrumented_version.
34547 2016-01-19  Richard Biener  <rguenther@suse.de>
34549         PR tree-optimization/69336
34550         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
34551         handled components with get_ref_base_and_extent.
34552         (equal_mem_array_ref_p): Adjust.
34554 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
34556         PR debug/65779
34557         * shrink-wrap.c: Include valtrack.h.
34558         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
34559         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
34560         in between insn and where it will be moved to.  Call
34561         dead_debug_insert_temp.
34562         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
34563         first and dead_debug_local_finish at the end.
34564         For uses and defs bitmap, handle all regs in between REGNO and
34565         END_REGNO, not just the first one.
34567 2016-01-19  Richard Biener  <rguenther@suse.de>
34569         PR tree-optimization/69352
34570         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
34571         (equal_mem_array_ref_p): Constrain size and max size properly.
34572         Compare the reverse flag.
34574 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
34576         * ira.c (ira): Update regstat data if we deleted insns.
34578 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
34580         PR rtl-optimization/68955
34581         PR rtl-optimization/64557
34582         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
34583         here.  Fix up formatting.
34584         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
34586 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
34588         PR lto/69133
34589         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
34590         assume that the node has body.
34591         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
34592         check.
34594 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
34596         * lto-streamer-out.c (lto_output): Do not stream instrumentation
34597         thunks.
34599 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
34601         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
34602         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
34604 2016-01-19  Martin Jambor  <mjambor@suse.cz>
34605             Martin Liska  <mliska@suse.cz>
34606             Michael Matz  <matz@suse.de>
34608         * Makefile.in (OBJS): Add new source files.
34609         (GTFILES): Add hsa.c.
34610         * common.opt (disable_hsa): New variable.
34611         (-Whsa): New warning.
34612         * config.in (ENABLE_HSA): New.
34613         * configure.ac: Treat hsa differently from other accelerators.
34614         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
34615         $enable_offloading.
34616         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
34617         * doc/install.texi (Configuration): Document --with-hsa-runtime,
34618         --with-hsa-runtime-include, --with-hsa-runtime-lib and
34619         --with-hsa-kmt-lib.
34620         * doc/invoke.texi (-Whsa): Document.
34621         (hsa-gen-debug-stores): Likewise.
34622         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
34623         to invoke offload compiler for hsa acclerator.
34624         * opts.c (common_handle_option): Determine whether HSA offloading
34625         should be performed.
34626         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
34627         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
34628         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
34629         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
34630         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
34631         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
34632         GF_OMP_FOR_KIND_GRID_LOOP.
34633         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
34634         (pp_gimple_stmt_1): Likewise.
34635         * gimple-walk.c (walk_gimple_stmt): Likewise.
34636         * gimple.c (gimple_build_omp_grid_body): New function.
34637         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
34638         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
34639         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
34640         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
34641         GF_OMP_TEAMS_GRID_PHONY.
34642         (gimple_statement_omp_single_layout): Updated comments.
34643         (gimple_build_omp_grid_body): New function.
34644         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
34645         (gimple_omp_for_grid_phony): New function.
34646         (gimple_omp_for_set_grid_phony): Likewise.
34647         (gimple_omp_parallel_grid_phony): Likewise.
34648         (gimple_omp_parallel_set_grid_phony): Likewise.
34649         (gimple_omp_teams_grid_phony): Likewise.
34650         (gimple_omp_teams_set_grid_phony): Likewise.
34651         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
34652         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
34653         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
34654         (BUILT_IN_GOMP_TARGET): Updated type.
34655         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
34656         (adjust_for_condition): New function.
34657         (get_omp_for_step_from_incr): Likewise.
34658         (extract_omp_for_data): Moved parts to adjust_for_condition and
34659         get_omp_for_step_from_incr.
34660         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
34661         (fixup_child_record_type): Bail out if receiver_decl is NULL.
34662         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
34663         (scan_omp_parallel): Do not create child functions for phony
34664         constructs.
34665         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
34666         (scan_omp_1_op): Checking assert we are not remapping to
34667         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
34668         (parallel_needs_hsa_kernel_p): New function.
34669         (expand_parallel_call): Register apprpriate parallel child
34670         functions as HSA kernels.
34671         (grid_launch_attributes_trees): New type.
34672         (grid_attr_trees): New variable.
34673         (grid_create_kernel_launch_attr_types): New function.
34674         (grid_insert_store_range_dim): Likewise.
34675         (grid_get_kernel_launch_attributes): Likewise.
34676         (get_target_argument_identifier_1): Likewise.
34677         (get_target_argument_identifier): Likewise.
34678         (get_target_argument_value): Likewise.
34679         (push_target_argument_according_to_value): Likewise.
34680         (get_target_arguments): Likewise.
34681         (expand_omp_target): Call get_target_arguments instead of looking
34682         up for teams and thread limit.
34683         (grid_expand_omp_for_loop): New function.
34684         (grid_arg_decl_map): New type.
34685         (grid_remap_kernel_arg_accesses): New function.
34686         (grid_expand_target_kernel_body): New function.
34687         (expand_omp): Call it.
34688         (lower_omp_for): Do not emit phony constructs.
34689         (lower_omp_taskreg): Do not emit phony constructs but create for them
34690         a temporary variable receiver_decl.
34691         (lower_omp_taskreg): Do not emit phony constructs.
34692         (lower_omp_teams): Likewise.
34693         (lower_omp_grid_body): New function.
34694         (lower_omp_1): Call it.
34695         (grid_reg_assignment_to_local_var_p): New function.
34696         (grid_seq_only_contains_local_assignments): Likewise.
34697         (grid_find_single_omp_among_assignments_1): Likewise.
34698         (grid_find_single_omp_among_assignments): Likewise.
34699         (grid_find_ungridifiable_statement): Likewise.
34700         (grid_target_follows_gridifiable_pattern): Likewise.
34701         (grid_remap_prebody_decls): Likewise.
34702         (grid_copy_leading_local_assignments): Likewise.
34703         (grid_process_kernel_body_copy): Likewise.
34704         (grid_attempt_target_gridification): Likewise.
34705         (grid_gridify_all_targets_stmt): Likewise.
34706         (grid_gridify_all_targets): Likewise.
34707         (execute_lower_omp): Call grid_gridify_all_targets.
34708         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
34709         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
34710         (tree_omp_clause): Added union field dimension.
34711         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
34712         * tree.c (omp_clause_num_ops): Added number of arguments of
34713         OMP_CLAUSE__GRIDDIM_.
34714         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
34715         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
34716         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
34717         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
34718         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
34719         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
34720         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
34721         * tree-pass.h (make_pass_gen_hsail): Declare.
34722         (make_pass_ipa_hsa): Likewise.
34723         * ipa-hsa.c: New file.
34724         * lto-section-in.c (lto_section_name): Add hsa section name.
34725         * lto-streamer.h (lto_section_type): Add hsa section.
34726         * timevar.def (TV_IPA_HSA): New.
34727         * hsa-brig-format.h: New file.
34728         * hsa-brig.c: New file.
34729         * hsa-dump.c: Likewise.
34730         * hsa-gen.c: Likewise.
34731         * hsa.c: Likewise.
34732         * hsa.h: Likewise.
34733         * toplev.c (compile_file): Call hsa_output_brig.
34734         * hsa-regalloc.c: New file.
34736 2016-01-18  Jeff Law  <law@redhat.com>
34738         PR tree-optimization/69320
34739         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
34740         ranged object, do nothing if the RHS constant is not [0..1].
34741         (optimize_stmt): Comparing a boolean ranged object against a
34742         constant outside [0..1] results in a compile-time constant.
34744         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
34745         test.
34747 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
34749         * doc/invoke.texi (Invoking GCC): Add new section to menu.
34750         (Option Summary): Update to reflect new section and moved options.
34751         (C++ Dialect Options): Move -fstats to new section.
34752         (Debugging Options): Move all dump, statistics, and other GCC
34753         developer options to new section.  Rewrite section introduction
34754         and re-order remaining options to put the more basic ones first.
34755         (Optimization Options): Move -fira-verbose and -flto-report* to
34756         new section.
34757         (Developer Options): New section incorporating moved options.
34758         * doc/cppopts.texi (-dM): Update cross-reference.
34760 2016-01-18  Richard Henderson  <rth@redhat.com>
34762         PR target/69176
34763         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
34764         operands to pseudo only if CSE is expected.  Split long immediate
34765         operands only after reload, and for the stack pointer.
34766         (*add<GPI>3_pluslong): Remove.
34767         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
34768         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
34769         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
34770         (*add<GPI>3 peepholes): New.
34771         (*add<GPI>3 splitters): New.
34772         * config/aarch64/constraints.md (Upl): New.
34773         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
34775 2016-01-18  Richard Biener  <rguenther@suse.de>
34777         PR tree-optimization/69297
34778         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
34779         stmt at most once.
34780         (vect_bb_vectorization_profitable_p): Clear visited flag again.
34782 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
34784         PR middle-end/68542
34785         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
34786         of mixind vector and scalar types.
34787         (fold_relational_const): Add handling of vector
34788         comparison with boolean result.
34789         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
34790         comparison of vector operands with boolean result for EQ/NE only.
34791         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
34792         (verify_gimple_cond): Likewise.
34793         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
34794         valid type of VAL.
34796 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
34798         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
34799         !TARGET_OCTEON.
34801 2016-01-18  Richard Biener  <rguenther@suse.de>
34803         PR middle-end/69308
34804         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
34806 2016-01-18  Tom de Vries  <tom@codesourcery.com>
34808         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
34810 2016-01-18  Tom de Vries  <tom@codesourcery.com>
34812         * omp-low.c (set_oacc_fn_attrib): Make extern.
34813         * omp-low.h (set_oacc_fn_attrib): Declare.
34814         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
34815         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
34816         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
34817         Add and handle function parameter oacc_kernels_p.
34818         (find_reduc_addr, get_omp_data_i_param): New function.
34819         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
34820         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
34821         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
34822         Calculate dominance info.  Skip loops that are not in a kernels region
34823         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
34824         (pass_parallelize_loops::execute): Call parallelize_loops with
34825         oacc_kernels_p argument.
34826         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
34827         New member function.
34828         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
34829         * passes.def: Add argument to pass_parallelize_loops instantation.
34831 2016-01-18  Tom de Vries  <tom@codesourcery.com>
34833         * tree-parloops.c (pass_parallelize_loops::execute): Allow
34834         pass_parallelize_loops to be run outside the loop pipeline.
34836 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
34838         * tree-scalar-evolution.c (follow_copies_to_constant): New.
34839         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
34841 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
34843         PR target/63679
34844         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
34845         using get_ref_base_and_extent.
34846         (equal_mem_array_ref_p): New.
34847         (hashable_expr_equal_p): Add call to previous.
34849 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
34851         PR target/63679
34852         * tree-sra.c (disqualified_constants, constant_decl_p): New.
34853         (sra_initialize): Allocate disqualified_constants.
34854         (sra_deinitialize): Free disqualified_constants.
34855         (disqualify_candidate): Update disqualified_constants when appropriate.
34856         (create_access): Scan for constant-pool entries as we go along.
34857         (scalarizable_type_p): Add check against type_contains_placeholder_p.
34858         (maybe_add_sra_candidate): Allow constant-pool entries.
34859         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
34860         (initialize_constant_pool_replacements): New.
34861         (sra_modify_assign): Avoid mangling assignments created by previous,
34862         and don't generate writes into constant pool.
34863         (sra_modify_function_body): Call initialize_constant_pool_replacements.
34865 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
34867         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
34868         andnot instruction.
34869         (scalar_chain::convert_op): Likewise.
34870         * config/i386/i386.md (*andndi3_doubleword): New.
34872 2016-01-18  Richard Biener  <rguenther@suse.de>
34874         PR tree-optimization/69170
34875         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
34876         building a vector from scalar results of a pattern stmt.
34878 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
34880         * haifa-sched.c (autopref_multipass_init): Work around
34881         -Wmaybe-uninitialized warning.
34883 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
34885         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
34886         against the constant 0.
34888 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
34890         PR tree-optimization/68799
34891         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
34892         look up phi candidates in the statement-candidate map.
34893         (phi_add_costs): Likewise.
34894         (record_phi_increments): Likewise.
34895         (phi_incr_cost): Likewise.
34896         (ncd_with_phi): Likewise.
34897         (all_phi_incrs_profitable): Likewise.
34899 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
34901         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
34902         -Wmaybe-uninitialized warning.
34904 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
34906         * doc/invoke.texi (Invoking GCC): Add new section to menu.
34907         (Option Summary): Update to reflect new section and moved options.
34908         (C++ Dialect Options): Move -fvtable-verify and related options.
34909         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
34910         and profiling-related options.
34911         (Optimization Options): Move profile generation options and
34912         -fstack-protector and related options.
34913         (Instrumentation Options): New section incorporating moved options.
34914         (Code Generation Options): Move -finstrument-functions and
34915         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
34917 2016-01-16  Tom de Vries  <tom@codesourcery.com>
34919         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
34921 2016-01-16  Tom de Vries  <tom@codesourcery.com>
34923         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
34925 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
34927         * hash-table.h (hash_table::empty): Turn into an inline wrapper
34928         that checks whether the table is already empty.  Rename the
34929         original implementation to...
34930         (hash_table::empty_slot): ...this new private function.
34932 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
34934         PR diagnostic/68899
34935         * diagnostic-show-locus.c (layout::print_source_line): Move x
34936         offset of line until after call to
34937         get_line_width_without_trailing_whitespace.
34939 2016-01-15  Jeff Law  <law@redhat.com>
34941         PR tree-optimization/69270
34942         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
34943         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
34944         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
34945         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
34946         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
34947         ssa_name_has_boolean_range and constant_boolean_node.
34949 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
34951         PR rtl-optimization/69030
34952         * lra-spills.c (remove_pseudos): Check nrefs and make the function
34953         returning bool.
34954         (spill_pseudos): Delete debug insn for dead pseudo.
34955         (lra_spill): Initiate spill_hard_reg and slots memory separately.
34957 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
34959         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
34960         New.
34961         (TYPES_UNOPUS): Likewise.
34962         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
34963         builtin type, from UNOP to UNOPUS.
34964         (lbtruncuv4sf): Likewise.
34965         (lbtruncuv2df): Likewise.
34966         (lrounduv2sf): Likewise.
34967         (lrounduv4sf): Likewise.
34968         (lrounduv2df): Likewise.
34969         (lroundusf): Likewise.
34970         (lroundusf): Likewise.
34971         (lceiluv2sf): Likewise.
34972         (lceiluv4sf): Likewise.
34973         (lceiluv2df): Likewise.
34974         (lceilusf): Likewise.
34975         (lceiludf): Likewise.
34976         (lflooruv2sf): Likewise.
34977         (lflooruv4sf): Likewise.
34978         (lflooruv2df): Likewise.
34979         (lfloorusf): Likewise.
34980         (lfloorudf): Likewise.
34981         (lfrintnuv2sf): Likewise.
34982         (lfrintnuv4sf): Likewise.
34983         (lfrintnuv2df): Likewise.
34984         (lfrintnusf): Likewise.
34985         (lfrintnudf): Likewise.
34986         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
34987         conversion.
34988         (vcvtq_u32_f32): Likewise.
34989         (vcvtq_u64_f64): Likewise.
34990         (vcvta_u32_f32): Likewise.
34991         (vcvtaq_u32_f32): Likewise.
34992         (vcvtaq_u64_f64): Likewise.
34993         (vcvtm_u32_f32): Likewise.
34994         (vcvtmq_u32_f32): Likewise.
34995         (vcvtmq_u64_f64): Likewise.
34996         (vcvtn_u32_f32): Likwise.
34997         (vcvtnq_u32_f32): Likewise.
34998         (vcvtnq_u64_f64): Likewise.
34999         (vcvtp_u32_f32): Likewise.
35000         (vcvtpq_u32_f32): Likewise.
35001         (vcvtpq_u64_f64): Likewise.
35002         (vcvtmd_u64_f64): Likewise.
35003         (vcvtms_u32_f32): Likewise.
35004         (vcvtad_u64_f64): Likewise.
35005         (vcvtas_u32_f32): Likewise.
35006         (vcvtnd_u64_f64): Likewise.
35007         (vcvtns_u32_f32): Likewise.
35008         (vcvtpd_u64_f64): Likewise.
35009         (vcvtps_u32_f32): Likewise.
35011 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
35013         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
35014         CSEL of zero_extended registers.
35016 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
35018         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
35019         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
35021 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
35023         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
35024         false when argument string is not found in the attributes table
35025         at all.
35027 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
35029         PR target/68609
35030         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
35031         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
35032         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
35033         precision estimate.
35035 2016-01-15  Richard Biener  <rguenther@suse.de>
35037         PR tree-optimization/66856
35038         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
35039         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
35040         (vect_create_new_slp_node): Increment stmt reference count.
35041         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
35042         an SLP tree before swapping operands.
35043         (vect_build_slp_tree): Likewise.
35044         (destroy_bb_vec_info): Free stmt info after SLP instances.
35045         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
35046         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
35047         (STMT_VINFO_NUM_SLP_USES): New macro.
35049 2016-01-15  Richard Biener  <rguenther@suse.de>
35051         PR debug/69137
35052         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
35053         (add_linkage_name): ... here.
35054         (gen_typedef_die): Use add_linkage_name_raw instead of
35055         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
35056         if necessary.
35058 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
35060         * gimplify.c (oacc_default_clause): Decode reference and pointer
35061         types for both kernels and parallel regions.
35063 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
35065         PR middle-end/69246
35066         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
35068 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
35070         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
35071         (convert_scalars_to_vector): Likewise.
35073 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
35075         * doc/extend.texi (Type Traits): Fix grammar.
35077 2016-01-15  Martin Jambor  <mjambor@suse.cz>
35079         * tree-inline.c (remap_decl): Use existing dclarations if
35080         remapping a type and prevent_decl_creation_for_types.
35081         (replace_locals_stmt): Do an initial remapping of non-VLA typed
35082         decls first.  Do real remapping with
35083         prevent_decl_creation_for_types set.
35084         * tree-inline.h (copy_body_data): New field
35085         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
35086         padding.
35088 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
35090         * config/s390/s390.opt (mmvcle): More verbose help text.
35092 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
35094         * config/s390/s390.opt: Add period to -mzvector option text.
35096 2016-01-15  Richard Biener  <rguenther@suse.de>
35098         PR tree-optimization/68961
35099         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
35100         of invariants in stores again.
35102 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
35104         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
35106 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
35108         * config/i386/i386.c (ix86_expand_branch): Don't split
35109         DI mode xor instruction to SI mode.
35111 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
35113         PR ipa/68148
35114         * ipa-icf.c (sem_function::merge): Virtual functions may become
35115         reachable even if they address is not taken and there are no
35116         idrect calls.
35118 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
35120         * lto-streamer-out.c (subtract_estimated_size): New function.
35121         (get_symbol_initial_value): Use it.
35123 2016-01-15  Christian Bruel  <christian.bruel@st.com>
35125         PR target/65837
35126         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
35127         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
35128         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
35129         use add_builtin_function_ext_scope instead of add_builtin_function.
35130         (neon_set_p, neon_crypto_set_p): Remove.
35131         (arm_init_builtins): Always call arm_init_neon_builtins and
35132         arm_init_crypto_builtins.
35133         (arm_expand_builtin): Check that builtins are allowed for the arch.
35134         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
35135         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
35136         arm_init_neon_builtins call.
35138 2016-01-15  Richard Biener  <rguenther@suse.de>
35140         PR tree-optimization/69117
35141         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
35142         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
35143         of the leader conservatively.
35144         (free_scc_vn): Restore original SSA name infos.
35146 2016-01-14  Jeff Law  <law@redhat.com>
35148         PR tree-optimization/69270
35149         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
35150         single bit of precision, verify it's also unsigned.
35151         (record_edge_info): Use constant_boolean_node rather than fold_convert
35152         to convert boolean_true/boolean_false to the right type.
35154 2016-01-14  Richard Henderson  <rth@redhat.com>
35156         PR rtl-opt/69014
35157         * loop-doloop.c (record_reg_sets): New.
35158         (doloop_optimize): Reject the transform if the sequence
35159         clobbers registers live at the end of the loop block.
35160         (doloop_optimize_loops): Enable df_live if needed.
35162 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
35164         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
35165         * config/rs6000/rs6000.c: Likewise.
35166         * config/rs6000/rs6000.h: Likewise.
35167         * config/rs6000/rs6000.md: Likewise.
35168         * doc/extend.texi: Likewsie.
35170 2016-01-14  Jeff Law  <law@redhat.com>
35172         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
35173         typo.
35175 2016-01-14  Richard Henderson  <rth@redhat.com>
35177         PR c/69272
35178         PR tree-opt/68964
35179         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
35180         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
35181         instead of builtin_decl_declared_p to test for declaration.
35183 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
35185         * doc/loop.texi (Loop Analysis and Representation): Document
35186         loop_depth function.
35188 2016-01-14  Tom de Vries  <tom@codesourcery.com>
35190         PR tree-optimization/68773
35191         * omp-low.c (expand_omp_target): Don't set force_output.
35192         * varpool.c (varpool_node::get_create): Same.
35193         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
35194         offload_funcs with force_output.
35196 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
35198         PR debug/69244
35199         * lra-eliminations.c (move_plus_up): Don't change anything if either
35200         the outer or inner subreg mode is not MODE_INT.
35201         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
35202         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
35204 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
35206         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
35207         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
35208         reduc_uplus_@var{m}): Remove.
35209         * expr.c (expand_expr_real_2): Remove expansion path for
35210         reduc_[us](min|max|plus) optabs.
35211         * optabs-tree.c (scalar_reduc_to_vector): Remove.
35212         * optabs-tree.h (scalar_reduc_to_vector): Remove.
35213         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
35214         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
35215         * tree-vect-loop.c (vectorizable_reduction): Remove test for
35216         reduc_[us](min|max|plus) optabs.
35218 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
35220         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
35221         (reduc_plus_scal_v2sf): New.
35222         (reduc_smax_v2sf): Rename to...
35223         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
35224         (reduc_smin_v2sf): Rename to...
35225         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
35227 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
35229         * alias.c (compare_base_symbol_refs): New function.
35230         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
35231         it.
35233 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
35235         PR middle-end/68146
35236         PR tree-optimization/69155
35237         * tree-complex.c: Include cfganal.h.
35238         (phis_to_revisit): New variable.
35239         (extract_component): Add phiarg_p argument.  Assert that returned
35240         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
35241         (update_phi_components): Partly rewrite to use loop over real/imag
35242         components instead of code duplication.  If extract_component returns
35243         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
35244         create_tmp_reg into the PHI node instead, and mention the phi triplet
35245         in phis_to_revisit.
35246         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
35247         in phis_to_revisit at the end.
35249 2016-01-14  Richard Biener  <rguenther@suse.de>
35251         PR tree-optimization/68060
35252         * tree-vect-loop.c (vect_is_simple_reduction): Check the
35253         outer loop reduction is only used in the inner loop before
35254         detecting a double reduction.
35256 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
35258         PR target/68269
35259         * combine.c (expand_field_assignment): Punt if compute_mode is
35260         unsupported scalar mode.
35262 2016-01-14  Richard Biener  <rguenther@suse.de>
35264         PR tree-optimization/66856
35265         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
35266         SLP node only if it built successfully.
35267         (vect_analyze_slp_instance): Adjust.
35269 2016-01-14  Jeff Law  <law@redhat.com>
35271         PR tree-optimization/69270
35272         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
35273         (record_edge_info): Use it.  Convert boolean_{true,false}_node
35274         to the type of op0.
35276 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
35278         PR ipa/66487
35279         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
35280         use block_ultimate_origin
35281         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
35283 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
35285         * doc/invoke.texi (Submodel Options): Rename section to
35286         "Machine-Dependent Options" to better reflect its content.
35287         Rewrite introductory text to remove archaic CPU names.
35288         Update references.
35290 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
35292         * doc/invoke.texi (Code Gen Options): Move section up in file,
35293         before target-specific options.  Update menu and option summary
35294         to reflect the new section ordering.
35296 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
35298         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
35299         (C++ Dialect Options): Add cross-reference to -std option.
35300         * doc/standards.texi (C++ Language): Document C++14 support.
35302 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
35304         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
35305         for pack/unpack functions for __ibm128.
35306         (PACK_IF): Likewise.
35307         (UNPACK_IF): Likewise.
35309         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
35310         support for __ibm128 pack/unpack functions.
35311         (rs6000_invalid_builtin): Likewise.
35312         (rs6000_init_builtins): Likewise.
35313         (rs6000_opt_masks): Likewise.
35315         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
35316         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
35317         functions
35318         (RS6000_BTM_COMMON): Likewise.
35320         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
35321         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
35322         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
35323         128-bit floating point.  Add support for the double values to be
35324         in Altivec registers for TF/IF packing and unpacking, but restrict
35325         TD packing sub-fields to be FPR registers.  Don't allow overlapped
35326         register support for packing.  Allow pack inputs to be memory
35327         locations.  Don't build generator functions for unpack<mode>_dm
35328         and unpack<mode>_nodm.
35329         (unpack<mode>_dm): Likewise.
35330         (unpack<mode>_nodm): Likewise.
35331         (pack<mode>): Likewise.
35333         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
35334         built-in functions to pack/unpack explicit __ibm128 values.
35335         (__builtin_unpack_ibm128): Likewise.
35337         * doc/extend.texi (PowerPC Built-in Functions): Document
35338         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
35340 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
35342         PR c/66208
35343         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
35344         Add new arg loc and pass it down as context.
35345         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
35346         to the location to use for the warning.
35347         (check_function_arguments): New arg loc.  All callers changed.  Pass
35348         it to check_function_nonnull.
35349         * c-common.h (check_function_arguments): Adjust declaration.
35351 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
35353         PR tree-optimization/69156
35354         * gimple.c (validate_type): Removed.
35355         (gimple_builtin_call_types_compatible_p): Use
35356         useless_type_conversion_p instead of validate_type.
35357         * value-prof.c (gimple_stringop_fixed_value): Fold
35358         icall_size to correct type.
35360 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
35362         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
35363         effects.
35365 2016-01-13  Richard Henderson  <rth@redhat.com>
35367         PR tree-opt/68964
35368         * target.def (builtin_tm_load, builtin_tm_store): Remove.
35369         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
35370         (ix86_builtin_tm_store): Remove.
35371         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
35372         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
35373         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
35374         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
35375         * doc/tm.texi: Rebuild.
35377         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
35378         (BUILT_IN_TM_MEMCPY_RTWN): New.
35379         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
35380         fallback from vector to integer helpers.
35381         (build_tm_load): Handle vector types directly, instead of
35382         via target hook.
35383         (build_tm_store): Likewise.
35384         (expand_assign_tm): Prepare for register types not handled by
35385         the above.  Copy them to memory and use memcpy.
35386         * tree.c (tm_define_builtin): New.
35387         (find_tm_vector_type): New.
35388         (build_tm_vector_builtins): New.
35389         (build_common_builtin_nodes): Call it.
35391 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
35393         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
35394         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
35396 2016-01-13  Tom de Vries  <tom@codesourcery.com>
35398         PR tree-optimization/69169
35399         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
35400         handled_struct_type param.
35401         (create_variable_info_for, intra_create_variable_infos): Call
35402         create_variable_info_for_1 with extra arg.
35404 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
35406         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
35407         and "armv8.1-a+crc" entries.
35409 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
35411         PR target/69228
35412         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
35413         Change first operand predicate from register_or_constm1_operand
35414         to register_operand.
35415         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
35416         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
35417         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
35418         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
35419         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
35420         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
35421         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
35422         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
35423         comparison with constm1_rtx from vec_prefetch_gen part.
35425 2016-01-13  Richard Biener  <rguenther@suse.de>
35427         PR tree-optimization/69013
35428         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
35429         Exchange assert for a test.
35431 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
35433         PR target/69247
35434         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
35436 2016-01-13  Richard Biener  <rguenther@suse.de>
35438         PR tree-optimization/69242
35439         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
35440         assert with a check.
35442 2016-01-13  Richard Biener  <rguenther@suse.de>
35444         PR tree-optimization/69186
35445         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
35446         Properly guard vect_update_misalignment_for_peel call.
35448 2016-01-12  Jeff Law  <law@redhat.com>
35450         PR tree-optimization/pr67755
35451         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
35452         "need_profile_correction".
35453         (thread_block_1): Initialize new field to false by default.  If we
35454         have multiple thread paths through a common joiner to different
35455         final targets, then set new field to true.
35456         (compute_path_counts): Only do count adjustment when it's really
35457         needed.
35459 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
35461         * doc/invoke.texi (Spec Files): Move section down in file, past
35462         all command-line option descriptions.
35464 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
35466         PR middle-end/54809
35467         * doc/gty.texi: Remove documentation of mark_hook.
35468         * gengtype.c (struct write_types_data): Remove code to support
35469         mark_hook attribute.
35470         (walk_type): Likewise.
35471         (write_func_for_structure): Likewise.
35473 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
35475         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
35476         Directory Options, and -specs= to Overall Options.
35477         (Overall Options): Adjust similarly.  Reorder to group related
35478         options together.  Make -specs= cross-reference the spec file details.
35479         (Directory Options): Adjust similarly.
35481 2016-01-12  Jeff Law  <law@redhat.com>
35483         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
35485 2016-01-12  Olivier Hainque  <hainque@adacore.com>
35487         * gcc.c (spec_undefvar_allowed): New global.
35488         (process_command): Set to true when running for --version or --help,
35489         alone or together.
35490         (getenv_spec_function): When the variable is not defined, use the
35491         variable name as the variable value if we're allowed not to issue
35492         a fatal error.
35494 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
35496         PR tree-optimization/68911
35497         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
35498         information computed for expression "init + nit * step".
35500 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
35502         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
35503         about name of GCC executable.  Remove deleted node from menu.
35504         (Directory Options) <-B>: Remove cross-reference to deleted node.
35505         (Target Options): Delete section.
35507 2016-01-12  Christian Bruel  <christian.bruel@st.com>
35509         PR target/69180
35510         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
35511         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
35513 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
35515         PR target/69198
35516         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
35517         aligned_mem is properly set for AVX512-VL floating point masked
35518         stores.
35520         PR target/69175
35521         * ifcvt.c (cond_exec_process_if_block): When removing the last
35522         insn from then_bb, remove also any possible barriers that follow it.
35524 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
35526         PR target/68456
35527         PR target/69226
35528         * config/i386/iamcu.h (SIZE_TYPE): New macro.
35529         (PTRDIFF_TYPE): Likewise.
35530         (WCHAR_TYPE): Likewise.
35531         (WCHAR_TYPE_SIZE): Likewise.
35532         (STDINT_LONG32): Likewise.
35534 2016-01-12  Richard Biener  <rguenther@suse.de>
35536         PR tree-optimization/69053
35537         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
35538         convert initial value for cond reductions.
35540 2016-01-12  Richard Biener  <rguenther@suse.de>
35542         PR tree-optimization/69007
35543         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
35544         widen_sum after dot_prod and sad.
35546 2016-01-12  Richard Biener  <rguenther@suse.de>
35548         PR tree-optimization/69168
35549         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
35550         pattern stmt SLP type.
35551         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
35552         end up unused so cope with that case.
35554 2016-01-12  Richard Biener  <rguenther@suse.de>
35556         PR tree-optimization/69157
35557         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
35558         stmts def type only during analyze phase.
35559         (vectorizable_call): Likewise.
35560         (vectorizable_simd_clone_call): Likewise.
35561         (vectorizable_conversion): Likewise.
35562         (vectorizable_assignment): Likewise.
35563         (vectorizable_shift): Likewise.
35564         (vectorizable_operation): Likewise.
35565         (vectorizable_store): Likewise.
35566         (vectorizable_load): Likewise.
35568 2016-01-12  Richard Biener  <rguenther@suse.de>
35570         PR tree-optimization/69174
35571         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
35572         space.
35573         (vectorizable_load): Properly compute the number of loads needed
35574         for permuted strided SLP loads and do not spuriously assign
35575         to SLP_TREE_VEC_STMTS.
35577 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
35579         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
35580         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
35581         (MD_EXEC_PREFIX): Remove.
35582         (MD_STARTFILE_PREFIX) Removee.
35583         (FILE_NAME_ABSOLUTE_P): Remove.
35584         (CPP_SPEC): Do not read macros from sys/version.h.
35585         (LINK_COMMAND_SPEC): Remove.
35586         (LOCAL_INCLUDE_DIR): Remove.
35587         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
35588         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
35589         (POST_LINK_SPEC): Define to invoke stubify after linker
35590         (LIBSTDCXX): Remove define
35591         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
35592         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
35593         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
35594         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
35595         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
35596         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
35597         (i386_djgpp_asm_named_section): Add propotype of new procedure
35599         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
35600         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
35601         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
35602         in config/i386/djgpp.h).
35603         (STANDARD_STARTFILE_PREFIX_2): Define identical to
35604         STANDARD_STARTFILE_PREFIX_1.
35605         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
35606         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
35607         installation errors.
35608         (MAX_OFILE_ALIGNMENT): Define to 128.
35609         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
35611         * config/i386/djgpp.c: New file. Add implementation of
35612         i386_djgpp_asm_named_section.
35614         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
35616         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
35617         Add rule for building djgpp.o.
35619 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
35621         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
35622         (rtx_is_swappable_p): Reductions are swappable.
35623         (insn_is_swappable_p): V2DF reductions are swappable.
35625 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
35627         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
35628         reloads for other unsupported memory operands.
35630 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
35631             Jim Wilson  <jim.wilson@linaro.org>
35633         PR target/69194
35634         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
35635         copy_to_mode_reg instead of force_reg.
35637 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
35639         PR target/69225
35640         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
35641         TARGET_80387 is true.
35643 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
35645         PR target/69071
35646         * lra-eliminations.c (move_plus_up): Only move plus up
35647         if subreg of the constant can be simplified into constant
35648         and use the simplified subreg of the constant instead of
35649         the original constant.
35651         * fold-const.c (fold_convertible_p): Don't return true
35652         for conversion of VECTOR_TYPE to same sized integral type.
35653         (fold_convert_loc): Fix up formatting.  Fold conversion of
35654         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
35655         instead of NOP_EXPR.
35657         PR tree-optimization/69214
35658         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
35659         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
35660         Formatting fix.
35662         PR tree-optimization/69207
35663         * tree-vect-slp.c (vect_get_constant_vectors): For
35664         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
35665         fold_convertible_p to vector_type's element type, and always
35666         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
35668 2016-01-11  Richard Biener  <rguenther@suse.de>
35670         PR tree-optimization/69173
35671         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
35672         fixup the cycle if all stmts are in a pattern.
35674 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
35676         PR middle-end/68999
35677         * alias.c (base_alias_check): Move check for addresses with
35678         alignment ANDs before the call for compare_base_decls.
35679         (memrefs_conflict_p): Return -1 for different decls
35680         that went through alignment adjustments.
35682 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
35684         PR rtl-optimization/68796
35685         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
35686         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
35687         and QImode comparisons against zero with CC_NZmode.
35688         * config/aarch64/iterators.md (short_mask): New mode_attr.
35690 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
35692         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
35693         (<avx512>_store<mode>_mask): Likewise.
35695 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
35696             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
35698         PR rtl-optimization/68841
35699         * ifcvt.c (struct noce_if_info): Add orig_x field.
35700         (bbs_ok_for_cmove_arith): Add to_rename parameter.
35701         Don't record conflicts on to_rename if it's present.
35702         Allow memory destinations in sets.
35703         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
35704         blocks, passing orig_x to the checks.
35705         (noce_process_if_block): Set if_info->orig_x appropriately.
35707 2016-01-11  Tom de Vries  <tom@codesourcery.com>
35709         PR tree-optimization/69069
35710         * tree-parloops.c (create_parallel_loop): Add missing phi args.
35712 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
35714         PR rtl-optimization/68920
35715         * config/i386/i386.c (ix86_option_override_internal): Restrict number
35716         of conditional moves for  RTL if-conversion to 1 for
35717         TARGET_ONE_IF_CONV_INSN.
35718         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
35719         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
35720         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
35721         parameter to restirct number of conditional moves for
35722         RTL if-conversion.
35723         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
35724         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
35725         conditionl moves.
35727 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
35729         PR bootstrap/69123
35730         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
35731         onepart vars.  Fix typo in comment.  Fix reversed condition in
35732         unshare test.
35733         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
35735         PR bootstrap/69123
35736         * var-tracking.c (dump_onepart_variable_differences): New.
35737         (dataflow_set_different): If a detailed dump is requested,
35738         delay early returns and dump differences between onepart
35739         variables present before and after, and added variables.
35741 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
35743         PR target/69010
35744         * expr.c (expand_expr_real_1): For boolean vector constants
35745         with a scalar mode use const_scalar_mask_from_tree.
35746         (const_scalar_mask_from_tree): New.
35747         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
35748         assigned to a mask type to handle constants.
35750 2016-01-11  Martin Jambor  <mjambor@suse.cz>
35752         PR ipa/69044
35753         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
35754         useless parameters if we cannot change function signature.
35756 2016-01-11  Martin Jambor  <mjambor@suse.cz>
35758         PR ipa/66616
35759         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
35760         flag.
35762 2016-01-11  Tom de Vries  <tom@codesourcery.com>
35764         PR tree-optimization/69109
35765         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
35766         latch with phi.
35768 2016-01-11  Tom de Vries  <tom@codesourcery.com>
35770         PR tree-optimization/69108
35771         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
35772         res is not used in a phi.
35774 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
35776         PR 67425
35777         * common.opt (frandom-seed): Fix parameter name.
35778         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
35780 2016-01-11  Tom de Vries  <tom@codesourcery.com>
35782         PR tree-optimization/69058
35783         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
35784         not supported.
35786 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
35788         * config/arc/arc.opt (mdiv-rem): Add period to the end.
35789         (mcode-density): Likewise.
35791 2016-01-10  Tom de Vries  <tom@codesourcery.com>
35793         PR tree-optimization/69062
35794         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
35795         (parallelize_loops): Don't paralelize loop that has phi with address
35796         arg.
35798 2016-01-10  Tom de Vries  <tom@codesourcery.com>
35800         PR tree-optimization/69039
35801         * tree-parloops.c (try_create_reduction_list): Only allow single exit
35802         phi for reduction.
35804 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
35806         PR middle-end/68743
35807         * match.pd: Require target has function_c99_misc before doing
35808         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
35810 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
35812         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
35813         use GMPINC.
35814         * configure: Regenerate.
35816 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
35818         PR middle-end/50865
35819         PR tree-optimization/69097
35820         * fold-const.h (expr_not_equal_to): New prototype.
35821         * fold-const.c: Include stringpool.h and tree-ssanames.h.
35822         (expr_not_equal_to): New function.
35823         * match.pd (X % -Y is the same as X % Y): Don't optimize
35824         unless X is known not to be equal to minimum or Y is known
35825         not to be equal to -1.
35826         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
35827         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
35828         (simplify_stmt_using_ranges): Adjust caller.
35829         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
35830         substitute_and_fold.
35832 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
35834         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
35835         w/o DECL_NAME.
35837 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
35839         PR tree-optimization/69167
35840         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
35841         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
35842         ops[0] comparison.
35843         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
35845 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
35846             Richard Biener  <rguenther@suse.de>
35848         PR tree-optimization/68707
35849         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
35850         instances that can be handled via vect_load_lanes.
35852 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
35854         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
35855         if we can't determine address equivalence.
35856         * alias.c (compare_base_decl): Update for changed return value of
35857         symtab_node::equal_address_to.
35859 2016-01-08  Jason Merrill  <jason@redhat.com>
35861         PR c++/68983
35862         PR c++/67557
35863         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
35864         * expr.c (store_field): Not here.
35865         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
35866         call with TREE_ADDRESSABLE type.
35867         * tree-cfg.c (verify_gimple_call): Adjust.
35869 2016-01-08  Olivier Hainque  <hainque@adacore.com>
35871         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
35872         libc_internal.
35874 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
35876         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
35877         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
35878         (reduc_smin_v2sf): Rename to...
35879         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
35880         (reduc_splus_v2sf): Rename to...
35881         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
35883 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
35885         PR tree-optimization/69162
35886         * gimplify.c (gimplify_va_arg_expr): Encode original type of
35887         valist argument in another argument.
35888         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
35889         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
35890         to determine the va_list type, build a MEM_REF instead of
35891         build_fold_indirect_ref.
35893         PR tree-optimization/69172
35894         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
35895         gimple_build.
35897 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
35899         PR tree-optimization/67781
35900         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
35901         and cmpnop in two steps: first the ones not accessed in original
35902         gimple expression in a endian independent way and then the ones not
35903         accessed in the final result in an endian-specific way.
35905 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
35907         PR tree-optimization/69083
35908         * tree-vect-slp.c (vect_get_constant_vectors): For
35909         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
35910         element type.  If op is fold_convertible_p to vector_type's element
35911         type, use NOP_EXPR instead of VCE.
35913 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
35915         PR rtl-optimization/67778
35916         PR rtl-optimization/68634
35917         PR rtl-optimization/68909
35918         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
35919         block from the stack until done with it.  Remove a superfluous
35920         bitmap set.  Remove a superfluous bitmap test.
35922 2016-01-07  Martin Sebor  <msebor@redhat.com>
35924         PR c/68966
35925         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
35926         constraint on the type of arguments.
35928 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
35930         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
35931         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
35932         unaligned_access on the gcc_options set.
35933         * config/arm/arm.c (arm_option_override_internal): Use
35934         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
35936 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
35938         PR target/69140
35939         * config/i386/i386.c (ix86_frame_pointer_required): Enable
35940         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
35942 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
35944         Revert
35945         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
35947         PR target/69140
35948         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
35949         depending on frame_pointer_needed before remaining integer and SSE
35950         registers are saved.
35952 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
35954         PR 1078
35955         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
35957 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
35959         PR target/69171
35960         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
35961         Use the "xBm" constraint.
35962         (float<sseintvecmodelower><mode>2<mask_name><round_name):
35963         Likewise.
35964         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
35965         (sse_cvtsi2ssq<round_name>): Likewise.
35966         (sse_cvtss2si<round_name>): Likewise.
35967         (sse_cvtss2siq<round_name>): Likewise.
35968         (sse2_cvtsi2sdq<round_name>): Likewise.
35969         (sse2_cvtsd2si<round_name>): Likewise.
35970         (sse2_cvtsd2siq<round_name>): Likewise.
35971         * config/i386/subst.md (round_nimm_scalar_predicate): New
35972         predicate.
35974 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
35976         PR middle-end/67639
35977         * varasm.c (make_decl_rtl): Mark invalid register vars as
35978         DECL_EXTERNAL.
35980         PR rtl-optimization/66206
35981         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
35982         All callers changed.
35984 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
35986         PR tree-optimization/69141
35987         * tree-ssa-pre.c: Include langhooks.h.
35988         (eliminate_dom_walker::before_dom_children): Use
35989         lang_hooks.decl_printable_name instead of
35990         cgraph_node::get ()->name ().
35992         PR middle-end/68960
35993         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
35994         it and DECL_ALIGN too.
35996 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
35998         * config/mips/mips-ftypes.def: Sort to lexicographical order.
36000 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
36002         PR target/69140
36003         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
36004         depending on frame_pointer_needed before remaining integer and SSE
36005         registers are saved.
36007 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
36009         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
36010         mode iterator with VSX_M2.
36011         (*p9_vecstore_<mode>): Likewise.
36012         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
36013         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
36014         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
36015         (define_split for VSX_LE128 stores): Likewise.
36016         (define_peephole2 for TImode LE swaps): Likewise.
36017         (define_split for VSX_LE128 post-reload stores): Likewise.
36019 2016-01-06  Marek Polacek  <polacek@redhat.com>
36021         PR sanitizer/69099
36022         * convert.c (convert_to_integer_1): Adjust call to
36023         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
36024         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
36025         EXPR instead of ARG.
36026         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
36028 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
36030         PR 1078
36031         * doc/extend.texi (RL78 Variable Attributes): New section.
36033 2016-01-05  Marek Polacek  <polacek@redhat.com>
36035         PR c/69104
36036         * builtins.c (get_memmodel): Use expansion point location rather than
36037         the input location.  Call warning_at rather than warning.
36038         (expand_builtin_atomic_compare_exchange): Likewise.
36039         (expand_builtin_atomic_load): Likewise.
36040         (expand_builtin_atomic_store): Likewise.
36041         (expand_builtin_atomic_clear): Likewise.
36043 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
36045         PR target/68991
36046         * config/i386/i386.c (ix86_expand_vector_logical_operator):
36047         Replace nonimmediate_operand with vector_operand.
36048         * config/i386/predicates.md (vector_operand): New predicate.
36049         (general_vector_operand): Replace nonimmediate_operand with
36050         vector_operand.
36051         * config/i386/sse.md: Replace nonimmediate_operand with
36052         vector_operand and m constraint with Bm constraint on SSE
36053         patterns with 16-byte memory operand.
36054         * config/i386/subst.md (round_nimm_predicate): Replace
36055         nonimmediate_operand with vector_operand.
36056         (round_saeonly_nimm_predicate): Likewise.
36057         (round_saeonly_nimm_scalar_predicate): New.
36059 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
36061         PR target/68991
36062         * config/i386/constraints.md (Bm): New constraint.
36063         * config/i386/predicates.md (vector_memory_operand): New
36064         predicate.
36065         * config/i386/sse.md: Replace xm with xBm in plusminus and
36066         any_logic patterns.
36068 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
36070         PR 1078
36071         * doc/extend.texi (V850 Function Attributes): New section.
36072         (V850 Variable Attributes): New section.
36074 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
36076         PR 1078
36077         * doc/extend.texi (MicroBlaze Function Attributes): Document
36078         interrupt_handler and fast_interrupt attributes.
36080 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
36082         PR other/60465
36083         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
36084         for local symbolic operands.
36085         * config/ia64/predicates.md (local_symbolic_operand64): New
36086         predicate.
36088 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
36090         PR rtl-optimization/68651
36091         * combine.c (combine_simplify_rtx): Canonicalize x + x into
36092         x << 1.
36094 2016-01-05  Nathan Sidwell  <nathan@acm.org>
36096         * alias.c (compare_base_decls): Use symtab_node::get.
36098 2016-01-05  Nick Clifton  <nickc@redhat.com>
36100         PR target/68770
36101         * ira-costs.c (copy_cost): Initialise the t_icode field of the
36102         secondary_reload_info structure.
36104         PR target/66655
36105         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
36106         decls if weak support is available.
36108 2016-01-04  Martin Sebor  <msebor@redhat.com>
36110         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
36112 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
36114         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
36115         OPTION_MASK_P9_DFORM.
36117         * config/rs6000/constraints.md (wo constraint): New constraint for
36118         ISA 3.0 (power9).
36120         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
36121         for wo constraint.
36122         (rs6000_init_hard_regno_mode_ok): Likewise.
36124         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
36125         wo constraint.
36127         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
36128         expanders not to have constraints.  Add support for ISA 3.0 xxperm
36129         instruction.  Add support for fusing xxlor with xxperm.
36130         (altivec_vperm_<mode>_internal): Likewise.
36131         (altivec_vperm_v8hiv16qi): Likewise.
36132         (altivec_vperm_<mode>v16q): Likewise.
36133         (altivec_vperm_<mode>_uns): Likewise.
36134         (vperm_v8hiv4si): Likewise.
36135         (vperm_v16qiv8hi): Likewise.
36137         * doc/md.texi (RS/6000 constraints): Document wo constraint.
36139 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
36141         Update copyright years.
36143         * gcc.c (process_command): Update copyright notice dates.
36144         * gcov-dump.c (print_version): Ditto.
36145         * gcov.c (print_version): Ditto.
36146         * gcov-tool.c (print_version): Ditto.
36147         * gengtype.c (create_file): Ditto.
36148         * doc/cpp.texi: Bump @copying's copyright year.
36149         * doc/cppinternals.texi: Ditto.
36150         * doc/gcc.texi: Ditto.
36151         * doc/gccint.texi: Ditto.
36152         * doc/gcov.texi: Ditto.
36153         * doc/install.texi: Ditto.
36154         * doc/invoke.texi: Ditto.
36156 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
36158         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
36159         modes larger than TImode as TImode if NEON is not enabled.
36161 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
36163         PR target/69100
36164         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
36165         mode for %f0-%f31 only if TARGET_FPU.
36167 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
36169         PR target/69072
36170         * config/sparc/sparc.c (scan_record_type): Take into account subfields
36171         to compute the PACKED_P predicate.
36172         (function_arg_record_value): Minor tweaks.
36174 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
36176         * doc/install.texi (--with-multilib-list): Describe the meaning of the
36177         option for arm*-*-* targets.
36179 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
36181         * doc/extend.texi (Common Function Attributes): Move docs for
36182         MSP430-specific attributes to....
36183         (MSP430 Function Attributes): ...here.  Delete the redundant
36184         entries and copy-edit the remaining text.
36185         (MSP430 Variable Attributes): Use uniform format for index
36186         entries and add a cross-reference to the corresponding function
36187         attribute docs.
36189 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
36191         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
36192         -finite-math typo.
36193         (x86 Options): Likewise.
36195 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
36197         PR 1078
36199         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
36200         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
36201         to corresponding attribute.
36203 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
36205         * doc/extend.texi (Common Function Attributes) <noplt>: Move
36206         to correct alphabetization of table.  Copy-edit and correct
36207         markup.
36208         <stack_protect>: Likewise.
36209         <target_clones>: Likewise.
36210         <simd>: Likewise.
36211         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
36212         Correct punctuation.
36213         (Code Gen Options) <-fno-plt>: Copy-edit.
36215 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
36217         PR target/68917
36218         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
36219         SI values.  Explicitly convert SI to DI and vice-versa.
36221 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
36223         PR tree-optimization/69070
36224         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
36225         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
36227         PR sanitizer/69055
36228         * ubsan.c (ubsan_instrument_float_cast): Call
36229         initialize_sanitizer_builtins.
36231         PR target/69015
36232         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
36234 Copyright (C) 2016 Free Software Foundation, Inc.
36236 Copying and distribution of this file, with or without modification,
36237 are permitted in any medium without royalty provided the copyright
36238 notice and this notice are preserved.