PR tree-optimization/78496
[official-gcc.git] / gcc / ChangeLog
blob456419014b3bcf4bd469b52093325c7b8ce0f68b
1 2017-05-03  Jeff Law  <law@redhat.com>
3         PR tree-optimization/78496
4         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
5         from simplify_cond_using_ranges.  Split off code to walk
6         backwards through casts into ...
7         (simplify_cond_using_ranges_2): New function.
8         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
9         (execute_vrp): After identifying jump threads, call
10         simplify_cond_using_ranges_2.
12 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
14         PR bootstrap/80609
15         * ipa-inline.h (inline_summary): Add ctor.
16         (create_ggc): Do not use ggc_cleared_alloc.
18 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
19             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21         * gcc.c (handle_braces): Support escaping in switch matching
22         text.
23         * doc/invoke.texi (Spec Files): Document it.
24         Remove superfluous @code markup in items.
26 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
28         * diagnostic-show-locus.c (struct column_range): New struct.
29         (get_affected_columns): New function.
30         (get_printed_columns): New function.
31         (struct correction): New struct.
32         (correction::ensure_capacity): New function.
33         (correction::ensure_terminated): New function.
34         (struct line_corrections): New struct.
35         (line_corrections::~line_corrections): New dtor.
36         (line_corrections::add_hint): New function.
37         (layout::print_trailing_fixits): Reimplement in terms of the new
38         classes.
39         (selftest::test_overlapped_fixit_printing): New function.
40         (selftest::diagnostic_show_locus_c_tests): Call it.
42 2017-05-03  Nathan Sidwell  <nathan@acm.org>
44         Canonicalize canonical type hashing
45         * tree.h (type_hash_canon_hash): Declare.
46         * tree.c (type_hash_list, attribute_hash_list): Move into
47         type_hash_canon_hash.
48         (build_type_attribute_qual_variant): Break out hash code calc into
49         type_hash_canon_hash.
50         (type_hash_canon_hash): New.  Generic type hash computation.
51         (build_range_type_1, build_array_type_1, build_function_type,
52         build_method_type_directly, build_offset_type, build_complex_type,
53         make_vector_type): Call it.
55 2017-05-03  Richard Biener  <rguenther@suse.de>
57         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
58         When all DRs have unknown misaligned do not always peel
59         when there is a store but apply the same costing model as if
60         there were only loads.
62 2017-05-03  Richard Biener  <rguenther@suse.de>
64         Revert
65         PR tree-optimization/80492
66         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
67         compare_base_decls returning dont-know properly.
69 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
71         * config/arm/iterators.md (CCSI): New mode iterator.
72         (arch): New mode attribute.
73         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
74         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
75         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
76         code iterator for success result mode.
77         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
78         the corresponding new insn generators.
80 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
82         Revert r247509
83         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
84         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
86 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
88         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
89         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
90         (DDR_A): Wrap DDR argument in brackets.
91         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
92         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
93         (DDR_REVERSED_P): Likewise.
95 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
97         PR tree-optimization/79472
98         * tree-switch-conversion.c (struct switch_conv_info): Add
99         contiguous_range and default_case_nonstandard fields.
100         (collect_switch_conv_info): Compute contiguous_range and
101         default_case_nonstandard fields, don't clear final_bb if
102         contiguous_range and only the default case doesn't have the required
103         structure.
104         (check_all_empty_except_final): Set default_case_nonstandard instead
105         of failing if contiguous_range and the default case doesn't have empty
106         block.
107         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
108         and only the default case doesn't have the required constants.  Skip
109         virtual phis.
110         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
111         if default_case_nonstandard.
112         (build_constructors): Build constant 1 just once.  Assert that default
113         values aren't inserted in between cases if contiguous_range.  Skip
114         virtual phis.
115         (build_arrays): Skip virtual phis.
116         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
117         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
118         Handle virtual phis.
119         (gen_inbound_check): Handle default_case_nonstandard case.
120         (process_switch): Adjust check_final_bb caller.  Call
121         gather_default_values with the first non-default case instead of
122         default case if default_case_nonstandard.
124 2017-05-02  Nathan Sidwell  <nathan@acm.org>
126         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
127         check.  Fix formatting.
129 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
131         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
132         errors when comparing specialized and unspecialized times.
134 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
136         * diagnostic-show-locus.c
137         (layout::should_print_annotation_line_p): Make private.
138         (layout::print_annotation_line): Make private.
139         (layout::annotation_line_showed_range_p): Make private.
140         (layout::show_ruler): Make private.
141         (layout::print_source_line): Make private.  Pass in line and
142         line_width, rather than calling location_get_source_line.  Drop
143         returned value.
144         (layout::print_leading_fixits): New method.
145         (layout::print_any_fixits): Rename to...
146         (layout::print_trailing_fixits): ...this, and make private.
147         Don't print newline fixits.
148         (diagnostic_show_locus): Move logic for printing one row into...
149         (layout::print_line): ...this new function.  Move the
150         location_get_source_line call and error-handling from
151         print_source_line to here.  Call print_leading_fixits, and rename
152         print_any_fixits to print_trailing_fixits.
153         (selftest::test_fixit_insert_containing_newline): Update now that
154         newlines are partially supported.
155         (selftest::test_fixit_insert_containing_newline_2): New test.
156         (selftest::test_fixit_replace_containing_newline): Update comments.
157         (selftest::diagnostic_show_locus_c_tests): Call the new test.
158         * edit-context.c (class added_line): New class.
159         (class edited_line): Describe newline handling in comment.
160         (edited_line::actually_edited_p): New method.
161         (edited_line::print_content): Delete redundant decl.
162         (edited_line::m_predecessors): New field.
163         (edited_file::print_content): Call edited_line::print_content.
164         (edited_file::print_diff): Update to support newlines.
165         (edited_file::print_diff_hunk): Likewise.
166         (edited_file::print_run_of_changed_lines): New function.
167         (edited_file::print_diff_line): Convert to...
168         (print_diff_line): ...this.
169         (edited_file::get_effective_line_count): New function.
170         (edited_line::edited_line): Initialize new field m_predecessors.
171         (edited_line::~edited_line): Clean up m_predecessors.
172         (edited_line::apply_fixit): Handle newlines.
173         (edited_line::get_effective_line_count): New function.
174         (edited_line::print_content): New function.
175         (edited_line::print_diff_lines): New function.
176         (selftest::test_applying_fixits_insert_containing_newline): New
177         test.
178         (selftest::test_applying_fixits_replace_containing_newline): New
179         test.
180         (selftest::insert_line): New function.
181         (selftest::test_applying_fixits_multiple_lines): Add example of
182         inserting a line.
183         (selftest::edit_context_c_tests): Call the new tests.
185 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
187         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
188         parameter cand.  Update dump information.
189         (get_computation_cost): Update uses.
191 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
193         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
194         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
195         (get_computation_at, rewrite_use_address): Update use of
196         get_computation_aff.
198 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
200         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
201         (get_computation): Delete.
202         (get_computation_cost): Implement like get_computation_cost_at.
203         Use get_computation_at.
204         (get_computation_cost_at): Delete.
205         (rewrite_use_nonlinear_expr): Use get_computation_at.
206         (rewrite_use_compare, remove_unused_ivs): Ditto.
208 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
210         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
212 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
214         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
215         (ivopts_global_cost_for_size): Rename parameter and update uses.
216         (iv_ca_recount_cost): Update uses.
217         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
218         candidates seperately in n_invs and n_cands.
219         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
221 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
223         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
224         (find_inv_vars_cb): New.
225         (find_depends): Renamed to ...
226         (find_inv_vars): ... this.
227         (add_candidate_1, force_var_cost): Call find_inv_vars.
228         (split_address_cost, determine_group_iv_cost_cond): Ditto.
230 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
232         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
233         inv_vars.  Add inv_exprs.
234         (struct iv_cand): Rename depends_on to inv_vars.
235         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
236         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
237         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
238         (dump_cand): Dump inv_vars.
239         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
240         (record_invariant, find_depends, add_candidate_1): Ditto.
241         (set_group_iv_cost, force_var_cost): Ditto.
242         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
243         (get_computation_cost_at, get_computation_cost): Ditto.
244         (determine_group_iv_cost_generic): Ditto.
245         (determine_group_iv_cost_address): Ditto.
246         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
247         (determine_group_iv_costs): Ditto.
248         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
249         (iv_ca_set_remove_invariants): Renamed to ...
250         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
251         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
252         (iv_ca_set_add_invariants):  Renamed to ...
253         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
254         (iv_ca_set_cp): Use iv_ca_set_add_invs.
255         (iv_ca_has_deps): Support inv_vars and inv_exprs.
256         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
257         (create_new_ivs): Remove useless dump.
259 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
261         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
262         iv_cand code.
263         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
264         (iv_ca_set_no_cp, create_new_iv): Ditto.
266 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
268         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
270 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
272         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
273         function tree_check2.
275 2017-05-02  Martin Liska  <mliska@suse.cz>
277         * doc/gcov.texi: Add missing preposition.
278         * gcov.c (function_info::function_info): Properly fill up
279         all member variables.
281 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
283         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
285 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
287         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
289 2017-05-02  Martin Liska  <mliska@suse.cz>
291         PR lto/77954.
292         * lto-streamer-in.c (lto_read_tree_1): Remove
293         LTO_STREAMER_DEBUG.
294         * lto-streamer.c (struct tree_hash_entry): Likewise.
295         (struct tree_entry_hasher): Likewise.
296         (tree_entry_hasher::hash): Likewise.
297         (tree_entry_hasher::equal): Likewise.
298         (lto_streamer_init): Likewise.
299         (lto_orig_address_map): Likewise.
300         (lto_orig_address_get): Likewise.
301         (lto_orig_address_remove): Likewise.
302         * lto-streamer.h: Likewise.
303         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
304         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
306 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
308         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
309         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
310         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
311         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
312         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
313         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
314         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
315         (mm_maskz_sub_ss): New intrinsics.
316         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
317         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
318         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
319         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
320         (__builtin_ia32_subss_mask_round): New builtins.
321         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
322         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
323         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
324         Renamed to ...
325         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
326         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
327         Changed to ...
328         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
329         ... this.
331 2017-05-02  Martin Jambor  <mjambor@suse.cz>
333         PR tree-optimization/78687
334         * tree-sra.c (access): New field parent.
335         (process_subtree_disqualification): New function.
336         (disqualify_candidate): Call it.
337         (build_accesses_from_assign): Reset write flag if creating an
338         assighnment link.
339         (build_access_subtree): Fill in parent field and also prpagate
340         down grp_write flag.
341         (create_artificial_child_access): New parameter set_grp_write, set
342         grp_write to its value.
343         (propagate_subaccesses_across_link): Also propagate grp_write flag
344         values.
345         (propagate_all_subaccesses): Push the closest parent back to work
346         queue if add_access_to_work_queue returned true.
348 2017-05-02  Richard Biener  <rguenther@suse.de>
350         * common.opt (fstrict-overflow): Alias negative to fwrapv.
351         * doc/invoke.texi (fstrict-overflow): Remove all traces of
352         -fstrict-overflow documentation.
353         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
354         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
355         flag_strict_overflow.
356         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
357         * lto-opts.c (lto_write_options): Do not stream it.
358         * lto-wrapper.c (merge_and_complain): Do not handle it.
359         * opts.c (default_options_table): Do not set -fstrict-overflow.
360         (finish_options): Likewise do not clear it when sanitizing.
361         * simplify-rtx.c (simplify_const_relational_operation): Do not
362         test flag_strict_overflow.
364 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
366         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
367         using enabled attribute.
368         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
369         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
370         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
371         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
372         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
373         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
374         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
375         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
376         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
377         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
379 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
381         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
383 2017-05-02  Richard Biener  <rguenther@suse.de>
385         PR tree-optimization/80591
386         Revert
387         2017-04-10  Richard Biener  <rguenther@suse.de>
389         * tree-ssa-structalias.c (find_func_aliases): Properly handle
390         asm inputs.
392 2017-05-02  Richard Biener  <rguenther@suse.de>
394         PR tree-optimization/80549
395         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
396         (cleanup_tree_cfg_noloop): Create forwarders to known loop
397         headers if they do not have a preheader.
399 2017-05-02  Martin Liska  <mliska@suse.cz>
401         PR other/80589
402         * common.opt: Fix typo.
403         * doc/invoke.texi: Likewise.
405 2017-05-01  Jan Beulich  <jbeulich@suse.com>
407         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
408         swapping, add (x,x,m,x,n) alternative.
410 2017-05-01  Nathan Sidwell  <nathan@acm.org>
412         * calls.c (combine_pending_stack_adjustment_and_call): Remove
413         unnecessary unadjusted_alignment check.
415 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
417         PR c++/80038
418         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
419         operations here.
420         * gimplify.c (gimplify_cilk_detach): New function.
421         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
422         * tree-core.h: Document EXPR_CILK_SPAWN.
423         * tree.h (EXPR_CILK_SPAWN): Define. 
425 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
427         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
428         to use new fixit_hint representation, using the "replace" logic.
429         (get_line_span_for_fixit_hint): Likewise.
430         (layout::print_any_fixits): Likewise.
431         (selftest::test_one_liner_many_fixits): Rename to...
432         (selftest::test_one_liner_many_fixits_1): ...this, and update
433         comment and expected output to reflect that the multiple fix-it
434         hints are now consolidated into one insertion.
435         (selftest::test_one_liner_many_fixits_2): New test.
436         (selftest::test_diagnostic_show_locus_one_liner): Update for
437         above.
438         (selftest::test_fixit_consolidation): Update for fix-it API
439         change.
440         * diagnostic.c (print_parseable_fixits): Likewise.
441         * edit-context.c (edited_line::m_line_events): Convert from
442         auto_vec <line_event *> to auto_vec <line_event>.
443         (class line_event): Convert from abstract base class to a concrete
444         class, taking over the role of replace_event.
445         (class insert_event): Delete.
446         (class replace_event): Rename to class line_event.  Convert to
447         half-open range.
448         (edit_context::add_fixits): Reimplement.
449         (edit_context::apply_insert): Delete.
450         (edit_context::apply_replace): Rename to...
451         (edit_context::apply_fixit): ...this.  Convert to half-open range.
452         (edited_file::apply_insert): Delete.
453         (edited_file::apply_replace): Rename to...
454         (edited_file::apply_fixit): ...this.
455         (edited_line::~edited_line): Drop deletion of events.
456         (edited_line::apply_insert): Delete.
457         (edited_line::apply_replace): Rename to...
458         (edited_line::apply_fixit): ...this.  Convert to half-open range.
459         Update for change to type of m_line_events.
460         * edit-context.h (edit_context::apply_insert): Delete.
461         (edit_context::apply_replace): Rename to...
462         (edit_context::apply_fixit): ...this.
464 2017-05-01  Martin Sebor  <msebor@redhat.com>
466         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
467         known.
469 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
471         PR target/68491
472         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
473         __get_cpuid_max returns 0.
474         (__get_cpuid_count): Ditto.
476 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
478         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
479         replacement expression is another instance of one of its arguments.
481 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
483         PR target/79430
484         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
485         check for stack push/pop autoinc.
486         * config/i386/i386.c (ix86_agi_dependent): Return false
487         if the only reason why modified_in_p returned true is that
488         addr is SP based and set_insn is a push or pop.
490 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
492         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
493         overflow check.
495 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
497         PR ipa/79224
498         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
499         (account_size_time): Use two predicates - exec_pred and
500         nonconst_pred_ptr.
501         (evaluate_conditions_for_known_args): Compute both clause and
502         nonspec_clause.
503         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
504         (inline_summary_t::duplicate): Update.
505         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
506         separately.
507         (compute_inline_parameters): Likewise.
508         (estimate_edge_size_and_time): Update caluclation of time.
509         (estimate_node_size_and_time): Compute both time and nonspecialized
510         time.
511         (estimate_ipcp_clone_size_and_time): Update.
512         (inline_merge_summary): Update.
513         (do_estimate_edge_time): Update.
514         (do_estimate_edge_size): Update.
515         (do_estimate_edge_hints): Update.
516         (inline_read_section, inline_write_summary): Stream both new predicates.
517         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
518         as argument.
519         (compute_inlined_call_time): Cleanup.
520         (big_speedup_p): Update.
521         (edge_badness): Update.
522         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
523         (size_time_entry): Replace predicate by exec_predicate and
524         nonconst_predicate.
525         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
526         (estimate_edge_time): Return also nonspec_time.
527         (reset_edge_growth_cache): Update.
529 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
531         PR rtl-optimization/80491
532         * ifcvt.c (noce_process_if_block): When looking for x setter
533         with missing else_bb, don't check only the insn right before
534         cond_earliest, but look for the last insn that x is modified in
535         within the same bb.
537         PR rtl-optimization/80491
538         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
540 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
542         PR tree-optimization/80487
543         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
545 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
547         PR tree-optimization/79697
548         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
549         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
550         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
551         BUILT_IN_STRNDUP.
552         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
553         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
555 2017-04-28  Martin Sebor  <msebor@redhat.com>
557         PR tree-optimization/80523
558         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
559         (init_target_to_host_charmap, target_to_host, target_strtol10): New
560         functions.
561         (maybe_warn, format_directive, parse_directive): Use new functions.
562         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
564 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
566         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
568 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
570         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
571         target_header_dir): Set correctly.
572         * configure: Regenerated.
573         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
574         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
575         instead of SYSTEM_HEADER_DIR.
577 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
579         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
580         (estimate_local_effects): Likewise.
581         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
582         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
583         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
584         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
585         do_estimate_edge_time, estimate_edge_time): Likewise.
586         * ipa-inline-analysis.c (estimate_node_size_and_time,
587         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
588         (estimate_time_after_inlining): Remove.
590 2017-04-28  Martin Liska  <mliska@suse.cz>
592         * doc/gcov.texi: Enhance documentation of gcov.
594 2017-04-28  Martin Liska  <mliska@suse.cz>
596         * doc/gcov.texi: Sort options in alphabetic order.
597         * doc/gcov-dump.texi: Likewise.
598         * doc/gcov-tool.texi: Likewise.
599         * gcov.c (print_usage): Likewise.
600         * gcov-dump.c (print_usage): Likewise.
601         * gcov-tool.c (print_merge_usage_message): Likewise.
602         (print_rewrite_usage_message): Likewise.
603         (print_overlap_usage_message): Likewise.
605 2017-04-28  Martin Liska  <mliska@suse.cz>
607         PR gcov-profile/53915
608         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
610 2017-04-28  Martin Liska  <mliska@suse.cz>
612         PR gcov-profile/79891
613         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
614         is marked by compiler as living on a line.
615         (get_cycles_count): Remove usage of the union.
616         (output_intermediate_file): Likewise.
617         (find_source): Fix GNU coding style.
618         (accumulate_line_counts): Remove old non-all block mode.
619         (output_lines): Remove usage of the union.
620         * profile.c (output_location): Include all BBs, even if
621         belonging to a same line (and file) as a previous BB.
623 2017-04-28  Martin Liska  <mliska@suse.cz>
625         * gcov.c (process_args): Handle new argument 'w'.
626         (read_graph_file): Assign ID to BBs.
627         (output_branch_count): Display BB # if verbose flag is set.
628         (output_lines): Likewise for arcs.
629         (print_usage): Add '--verbose' option help.
630         * doc/gcov.texi: Document --verbose (-w) option.
632 2017-04-28  Martin Liska  <mliska@suse.cz>
634         * gcov.c (struct block_location_info): New struct.
635         (process_file): Fill up the new structure.
636         (read_graph_file): Replace usage of encoding by the newly added
637         struct.
638         (add_line_counts): Likewise.
639         (accumulate_line_counts): Remove usage of the union.
640         (function_info::function_info): New function.
641         (function_info::~function_info): Likewise.
642         (process_file): Call delete instead of release_function.
643         (release_function): Release the function.
644         (release_structures): Call delete instead of release_function.
645         (solve_flow_graph): Replace usage of num_blocks.
646         (find_exception_blocks): Likewise.
647         (output_lines): Fix GNU coding style.
649 2017-04-28  Martin Liska  <mliska@suse.cz>
651         PR driver/56469
652         * coverage.c (coverage_remove_note_file): New function.
653         * coverage.h: Declare the function.
654         * toplev.c (finalize): Clean if an error has been seen.
656 2017-04-28  Martin Liska  <mliska@suse.cz>
658         PR gcov-profile/80031
659         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
660         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
661         * gcov.c (read_graph_file): Read just number of blocks.
662         * profile.c (branch_prob): Do not stream 0 flags per a basic
663         block.
665 2017-04-28  Martin Liska  <mliska@suse.cz>
667         * gcov-dump.c (tag_*): Add new argument to declarations.
668         (dump_gcov_file): Likewise.
669         (tag_blocks): Add and use new argument depth.
670         (tag_arcs): Likewise.
671         (tag_lines): Likewise.
672         (tag_counters): Likewise.
673         (tag_summary): Likewise.
674         (dump_working_sets): Use depth to do a proper indentation.
676 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
678         PR bootstrap/80531
679         * cgraph.h (symtab_node::debug_symtab): No longer inline.
680         * symtab.c (symtab_node::debug_symtab): Move definition here.
682 2017-04-28  Richard Biener  <rguenther@suse.de>
684         * lto-streamer.h (LTO_major_version): Bump to 7.
686 2017-04-28  Richard Biener  <rguenther@suse.de>
688         * tree-vrp.c (assert_info): New struct.
689         (add_assert_info): New helper.
690         (register_edge_assert_for_2): Refactor to add asserts to a vector
691         of assert_info.
692         (register_edge_assert_for_1): Likewise.
693         (register_edge_assert_for): Likewise.
694         (finish_register_edge_assert_for): New helper actually registering
695         asserts where live on edge.
696         (find_conditional_asserts): Adjust.
697         (find_switch_asserts): Likewise.
698         (evrp_dom_walker::try_find_new_range): Generalize.
699         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
701 2017-04-27  Marek Polacek  <polacek@redhat.com>
703         PR sanitizer/80349
704         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
705         arg10 and arg11 to itype.
707 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
709         * doc/extend.texi (Object Size Checking): Improve grammar.
711 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
713         PR target/80530
714         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
715         that the logic for permitting reciprocal estimates matches that
716         in use_rsqrt_p.
718 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
720         PR c++/80534
721         * tree.c (type_cache_hasher::equal): Only compare
722         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
723         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
724         non-aggregate element types.
725         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
726         about the flag on ARRAY_TYPEs in the comment, formatting fix.
728 2017-04-27  Richard Biener  <rguenther@suse.de>
730         PR middle-end/80533
731         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
732         stripping ARRAY_REFs from MEM_EXPR make sure we're not
733         keeping a reference to a trailing array.
735 2017-04-27  Richard Biener  <rguenther@suse.de>
737         PR middle-end/80539
738         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
739         being in loop-closed SSA form conservatively.
740         (chrec_fold_multiply_poly_poly): Likewise.
742 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
744         PR middle-end/79665
745         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
746         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
748 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
750         PR target/77728
751         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
752         (aarch64_function_arg_alignment): Return unsigned int again, but still
753         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
754         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
755         Don't emit -Wpsabi note.
756         (aarch64_function_arg_boundary): Likewise.
757         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
758         caller.
760 2017-04-26  Nathan Sidwell  <nathan@acm.org>
762         * tree.h (crc32_unsigned_n): Declare.
763         (crc32_unsigned, crc32_unsigned): Make inline.
764         * tree.c (crc32_unsigned_bits): Replace with ...
765         (crc32_unsigned_n): ... this.
766         (crc32_unsigned, crc32_byte): Remove.
767         (crc32_string): Remove unnecessary braces.
769 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
771         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
772         * ipa-inline-analysis.c (MAX_TIME): Remove.
773         (account_size_time): Use sreal for time.
774         (dump_inline_summary): Update.
775         (estimate_function_body_sizes): Update.
776         (estimate_edge_size_and_time): Update.
777         (estimate_calls_size_and_time): Update.
778         (estimate_node_size_and_time): Update.
779         (inline_merge_summary): Update.
780         (inline_update_overall_summary): Update.
781         (estimate_time_after_inlining): Update.
782         (inline_read_section): Update.
783         (inline_write_summary): Update.
784         * ipa-inline.c (compute_uninlined_call_time): Update.
785         (compute_inlined_call_time): Update.
786         (recursive_inlining): Update.
787         (inline_small_functions): Update.
788         (dump_overall_stats): Update.
789         * ipa-inline.h: Include sreal.h.
790         (size_time_entry): Turn time to sreal.
791         (inline_summary): Turn self_time nad time to sreal.
793 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
795         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
796         data-streamer.h
797         (sreal::stream_out, sreal::stream_in): New.
798         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
800 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
802         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
803         environment.
805 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
807         PR target/70799
808         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
809         Handle ASHIFTRT.
810         (dimode_scalar_chain::compute_convert_gain): Ditto.
811         (dimode_scalar_chain::make_vector_copies): Ditto.
812         (dimode_scalar_chain::convert_reg): Ditto.
813         (dimode_scalar_chain::convert_insn): Ditto.
814         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
815         (VI248_AVX512BW_1): New mode iterator.
816         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
817         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
818         mode iterator.
820 2017-04-25  Martin Sebor  <msebor@redhat.com>
822         PR tree-optimization/80497
823         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
824         constants are representable in HOST_WIDE_INT.
825         (parse_directive): Ditto.
827 2017-04-25  Martin Sebor  <msebor@redhat.com>
829         PR bootstrap/80486
830         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
831         (new_zero_array): Adjust signature.
832         (dom_info::dom_init): Used unsigned rather that size_t.
833         (dom_info::dom_info): Same.
835 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
836             Jakub Jelinek  <jakub@redhat.com>
838         PR target/77728
839         * config/arm/arm.c: Include gimple.h.
840         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
841         returns negative, increment ncrn only if it returned positive.
842         (arm_needs_doubleword_align): Return int instead of bool,
843         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
844         members, but if there is any such non-FIELD_DECL
845         > PARM_BOUNDARY aligned decl, return -1 instead of false.
846         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
847         returns negative, increment nregs only if it returned positive.
848         (arm_setup_incoming_varargs): Likewise.
849         (arm_function_arg_boundary): Emit -Wpsabi note if
850         arm_needs_doubleword_align returns negative, return
851         DOUBLEWORD_ALIGNMENT only if it returned positive.
853 2017-04-25  Marek Polacek  <polacek@redhat.com>
855         PR sanitizer/80349
856         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
857         first argument to type.
859 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
861         PR target/80482
862         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
863         type checks to test for compatibility instead of equality.
865 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
866             Jakub Jelinek  <jakub@redhat.com>
868         PR target/77728
869         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
870         type.
871         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
872         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
873         the alignment computation, but return their maximum in warn_alignment.
874         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
875         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
876         is smaller.
877         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
878         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
879         caller.
881 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
883         * config/arc/simdext.md (dmpyh): Fix typo.
885 2017-04-25  Richard Biener  <rguenther@suse.de>
887         PR tree-optimization/80492
888         * alias.c (compare_base_decls): Handle registers with asm
889         specification conservatively.
890         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
891         compare_base_decls returning dont-know properly.
893 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
895         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
896         (legitimate_offset_address_p): New function.
897         (arc_legitimate_address_p): Use above function.
899 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
901         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
903 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
905         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
906         ACCH registers whenever they are available.
908 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
910         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
911         double regs fix when not used.
913 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
915         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
916         core registers.
917         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
918         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
920 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
922         * config/arc/arc.c (arc_output_addsi): Check for h-register class
923         when emitting short ADD instructions.
925 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
927         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
928         constraint.
929         (cmpsi_cc_c_insn): Likewise.
930         (cbranchsi4_scratch): Compute proper instruction length using
931         compact_hreg_operand.
932         * config/arc/predicates.md (compact_hreg_operand): New predicate.
934 2017-04-25  Richard Biener  <rguenther@suse.de>
936         PR middle-end/80509
937         * passes.c (pass_manager::pass_manager): Initialize
938         m_name_to_pass_map.
940 2017-04-25  Richard Biener  <rguenther@suse.de>
942         PR tree-optimization/79201
943         * tree-ssa-sink.c (statement_sink_location): Handle calls.
945 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
947         PR target/80464
948         * config/s390/vector.md: Split MEM->GPR vector moves for
949         non-s_operand addresses.
951 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
953         PR target/79895
954         * config/s390/predicates.md (reload_const_wide_int_operand): New
955         predicate.
956         * config/s390/s390.md ("movti"): Remove d/P alternative.
957         ("movti_bigconst"): New pattern definition.
959 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
961         PR target/80080
962         * s390-protos.h (s390_expand_cs_hqi): Removed.
963         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
964         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
965         modes as well as CCZ1mode and CCZmode.
966         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
967         signature of s390_emit_compare_and_swap.
968         (s390_expand_cs_hqi): Likewise, make static.
969         (s390_expand_cs_tdsi): Generate an explicit compare before trying
970         compare-and-swap, in some cases.
971         (s390_expand_cs): Wrapper function.
972         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
973         atomic_exchange.
974         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
975         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
976         patterns for small and large integers.  Forbid symref memory operands.
977         Move expander to s390.c.  Require cc register.
978         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
979         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
980         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
981         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
982         symref memory operands.  Remove CC mode and call s390_match_ccmode
983         instead.
984         ("atomic_exchange<mode>"): Allow and implement all integer modes.
986 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
988         * config/s390/s390.md (define_peephole2): New peephole to help
989         combining the load-and-test pattern with volatile memory.
991 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
993         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
994         with CCZmode for TARGET_Z196.
996 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
998         PR rtl-optimization/80501
999         * combine.c (make_compound_operation_int): Set subreg_code to SET
1000         even for AND with mask of the sign bit of mode.
1002         PR rtl-optimization/80500
1003         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
1004         sum's initial value.
1006 2017-04-25  Julian Brown  <julian@codesourcery.com>
1007             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
1009         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
1011 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
1013         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
1015 2017-04-25  Julian Brown  <julian@codesourcery.com>
1016             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
1018         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
1019         (thunderx2t99_sha): New Reservation.
1021 2017-04-25  Julian Brown  <julian@codesourcery.com>
1022             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
1024         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
1025         type for 1-element load.
1027 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
1029         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
1031 2017-04-24  Martin Jambor  <mjambor@suse.cz>
1033         PR tree-optimization/80293
1034         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
1035         char arrays not totally scalarizable if it is false.
1036         (analyze_all_variable_accesses): Pass correct value in the new
1037         parameter.  Add a statistics counter.
1039 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
1041         PR middle-end/79931
1042         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
1044 2017-04-24  Richard Biener  <rguenther@suse.de>
1046         PR tree-optimization/80494
1047         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
1048         out for complex types.
1050 2017-04-24  Richard Biener  <rguenther@suse.de>
1052         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
1053         * tree-ssa-sccvn.c (print_scc): Print SCC size.
1054         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
1055         (DFS): Adjust and never fail.
1056         (sccvn_dom_walker::fail): Remove.
1057         (sccvn_dom_walker::before_dom_children): Adjust.
1058         (run_scc_vn): Likewise and never fail.
1059         * tree-ssa-pre.c (pass_pre::execute): Adjust.
1060         (pass_fre::execute): Likewise.
1062 2017-04-24  Richard Biener  <rguenther@suse.de>
1064         PR tree-optimization/79725
1065         * tree-ssa-sink.c (statement_sink_location): Return whether
1066         failure reason was zero uses.  Move that check later.
1067         (sink_code_in_bb): Deal with zero uses by removing the stmt
1068         if possible.
1070 2017-04-24  Richard Biener  <rguenther@suse.de>
1072         PR c++/2972
1073         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
1074         pointer-based references.
1076 2017-04-24  Richard Biener  <rguenther@suse.de>
1078         PR bootstrap/79814
1079         * pass_manager.h (pass_manager::operator new): Remove.
1080         (pass_manager::operator delete): Likewise.
1081         * passes.c (pass_manager::operator new): Remove.
1082         (pass_manager::operator delete): Likewise.
1083         (pass_manager::pass_manager): Zero individual pass members.
1085 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
1087         PR target/70799
1088         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
1089         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
1090         Check "XEXP (src, 1)" operand here.
1091         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
1092         Check "XEXP (src, 1)" operand here.
1093         (dimode_scalar_chain::make_vector_copies): Detect count register
1094         of a shift instruction.  Zero extend count register from QImode
1095         to DImode to satisfy vector shift pattern count operand predicate.
1096         Substitute vector shift count operand with a DImode copy.
1097         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
1098         vector register.
1100 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
1102         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
1103         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
1104         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
1105         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
1106         (UNSPEC_NOREX_MEM): Remove definition.
1108 2017-04-21  Richard Biener  <rguenther@suse.de>
1110         PR tree-optimization/79547
1111         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
1112         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
1113         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
1114         without any constraints.
1116 2017-04-21  Richard Biener  <rguenther@suse.de>
1118         PR tree-optimization/78847
1119         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
1121 2017-04-21  Richard Biener  <rguenther@suse.de>
1123         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
1124         (build_distinct_type_copy): Likewise.
1125         (build_variant_type_copy): Likewise.
1126         * tree.c (build_qualified_type): Pass down mem-stat info.
1127         (build_distinct_type_copy): Likewise.
1128         (build_variant_type_copy): Likewise.
1130 2017-04-21  Richard Biener  <rguenther@suse.de>
1132         PR tree-optimization/80237
1133         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
1134         defaulted to NULL.
1135         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
1136         for a simplified result.
1138 2016-04-21  Richard Biener  <rguenther@suse.de>
1140         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
1141         sth as strict as a simple_iv but a chrec without symbols and an
1142         operand defined in the loop we are peeling (and not some subloop).
1143         (propagate_constants_for_unrolling): Propagate all constants.
1145 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
1147         PR target/79804
1148         * config/i386/i386.c (print_reg): Remove assert for disalowed
1149         regno values, call output_operand_lossage instead.
1151 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
1153         PR target/78090
1154         * config/i386/constraints.md (Yc): New register constraint.
1155         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
1156         Use Yc constraint for alternative 2 of operand 0.  Remove
1157         preferred_for_speed attribute.
1159 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
1161         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
1162         lastprivate clauses in SIMT case.
1164 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
1166         * doc/invoke.texi (-Wextra-semi): Document new warning option.
1168 2017-04-20  Richard Biener  <rguenther@suse.de>
1170         PR tree-optimization/57796
1171         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
1172         as N scalar stores.
1173         (vect_model_load_cost): Cost gathers as N scalar loads.
1175 2017-04-20  Richard Biener  <rguenther@suse.de>
1177         * ggc-page.c (ggc_allocated_p): Rename to ...
1178         (safe_lookup_page_table_entry): ... this and return the lookup
1179         result.
1180         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
1182 2017-04-20  Richard Biener  <rguenther@suse.de>
1184         PR tree-optimization/80453
1185         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
1186         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
1187         from the conditions.
1188         (vn_phi_eq): Pass them down.
1189         (vn_phi_lookup): Record them.
1190         (vn_phi_insert): Likewise.
1192 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1194         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
1195         uninitialized variable warning to avoid buffer overrun.
1197 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
1199         PR other/71250
1200         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
1201         is suppressed for '{ 0 }' in C.
1203 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1205         * BASE-VER: Set to 8.0.0.
1207 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1209         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
1210         priority .init_array and .fini_array section with SECTION_NOTYPE
1211         flag.
1213 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1215         PR middle-end/80423
1216         * tree.h (build_array_type): Add typeless_storage default argument.
1217         * tree.c (type_cache_hasher::equal): Also compare
1218         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
1219         (build_array_type): Add typeless_storage argument, set
1220         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
1221         recursive call.
1222         (build_nonshared_array_type): Adjust build_array_type_1 caller.
1223         (build_array_type): Likewise.  Add typeless_storage argument.
1225 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1226             Jakub Jelinek  <jakub@redhat.com>
1228         PR tree-optimization/80426
1229         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
1230         operation on symbolic operands, also compute the overflow for the
1231         invariant part when the operation degenerates into a negation.
1233 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
1235         PR debug/80461
1236         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
1237         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
1239         PR debug/80436
1240         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
1242 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
1244         PR target/80462
1245         * config/avr/avr.c (tree.h): Include it.
1246         (cgraph.h): Include it.
1247         (avr_encode_section_info): Don't warn for uninitialized progmem
1248         variable if it's just an alias.
1250 2017-04-19  Richard Biener  <rguenther@suse.de>
1252         PR ipa/65972
1253         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
1254         when needed by AutoPGO.
1256 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
1258         PR lto/50345
1259         * doc/lto.texi: Remove an extra 'that'.
1261 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
1263         PR rtl-optimization/80429
1264         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
1265         are only used in debug insns.
1267 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1268             Vladimir Makarov  <vmakarov@redhat.com>
1270         * config/sparc/predicates.md (input_operand): Add comment.  Return
1271         true for any memory operand when LRA is in progress.
1272         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
1274 2017-04-18  Jeff Law  <law@redhat.com>
1276         PR target/74563
1277         * mips.md ({return,simple_return}_internal): Do not overwrite
1278         operands[0].
1280 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1282         PR tree-optimization/80443
1283         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
1284         instead of adding 1, subtract -1 and similarly instead of subtracting
1285         1 add -1.
1287 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
1289         PR rtl-optimization/80357
1290         * haifa-sched.c (tmp_bitmap): New variable.
1291         (model_recompute): Handle duplicate use records.
1292         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
1293         (free_global_sched_pressure_data): Free it.
1295 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1297         Revert:
1298         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1299         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
1300         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
1301         instead of SYSTEM_HEADER_DIR.
1303 2017-04-18  Jeff Law  <law@redhat.com>
1305         PR middle-end/80422
1306         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
1307         predecessors after walking up the insn chain.
1309 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1311         PR debug/80263
1312         * dwarf2out.c (modified_type_die): Try harder not to emit internal
1313         sizetype type into debug info.
1315 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1317         PR target/80099
1318         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
1319         unneeded test for TARGET_UPPER_REGS_SF.
1320         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
1322 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1324         PR sanitizer/80444
1325         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
1326         instead of gsi_after_labels.
1328 2017-04-18  Jeff Law  <law@redhat.com>
1330         * regcprop.c (maybe_mode_change): Avoid creating copies of the
1331         stack pointer.
1333         Revert:
1334         2017-04-13  Jeff Law  <law@redhat.com>
1335         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
1336         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
1338 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
1340         PR target/79453
1341         * config/avr/avr.c (intl.h): Include it.
1342         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
1344 2017-04-18  Martin Liska  <mliska@suse.cz>
1346         PR gcov-profile/78783
1347         * gcov-tool.c (gcov_output_files): Validate that destination
1348         file is either removed by the tool or by a user.
1350 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
1351             Guy Benyei  <guybe@mellanox.com>
1353         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
1354         block, and do not negate it, the stored id is already negative.
1356 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
1358         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
1360 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1362         PR target/80098
1363         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
1364         masks of options that should be turned off if the VSX vector
1365         options are turned off.
1366         (OTHER_P8_VECTOR_MASKS): Likewise.
1367         (OTHER_VSX_VECTOR_MASKS): Likewise.
1368         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
1369         rs6000_disable_incompatible_switches to validate no type switches
1370         like -mvsx.
1371         (rs6000_incompatible_switch): New function to disallow turning on
1372         other vector options if -mno-vsx, -mno-power8-vector, or
1373         -mno-power9-vector are specified.
1375 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1377         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
1379 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1381         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
1382         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
1383         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
1384         (ARG_POINTER_CFA_OFFSET): Likewise.
1386 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1388         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
1389         conditions to take advantage of various optimizations.
1391 2017-04-13  Jeff Law  <law@redhat.com>
1393         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
1394         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
1395         (zero_extendsidi2_dext): Likewise.
1397 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
1399         PR sanitizer/80403
1400         * fold-const.c (fold_ternary_loc): Revert
1401         use op0 instead of fold_convert_loc (loc, type, arg0) part of
1402         2017-04-12 change.
1404 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
1406         PR rtl-optimization/80343
1407         * lra-remat.c (update_scratch_ops): Assign original hard reg to
1408         new scratch pseudo.
1410 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
1412         PR sanitizer/80414
1413         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
1414         to ubsan_encode_value.
1416 2017-04-13  Jeff Law  <law@redhat.com>
1418         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
1419         appearing in DEBUG_INSNs.
1421 2017-04-13  Martin Liska  <mliska@suse.cz>
1423         PR gcov-profile/80413
1424         * gcov-io.c (gcov_write_string): Copy to buffer just when
1425         allocated size is greater than zero.
1427 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
1429         PR debug/80321
1430         * dwarf2out.c (decls_for_scope): Ignore declarations of
1431         current_function_decl in BLOCK_NONLOCALIZED_VARS.
1433 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
1435         PR lto/69953
1436         * ipa-visibility.c (non_local_p): Fix typos.
1437         (localize_node): When localizing symbol in same comdat group,
1438         dissolve the group only when we know external symbols are going
1439         to be privatized.
1440         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
1442 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
1444         PR tree-optimization/79390
1445         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
1446         order does not result in usable sequence, retry with reversed operand
1447         order.
1449         PR sanitizer/80403
1450         PR sanitizer/80404
1451         PR sanitizer/80405
1452         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
1453         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
1454         op0 instead of fold_convert_loc (loc, type, arg0).
1456 2017-04-12  Jeff Law  <law@redhat.com>
1458         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
1459         has a delay slot in the generated code.
1461         * config/cris/cris.md (cris_preferred_reload_class): Return
1462         GENNONACR_REGS rather than GENERAL_REGS.
1464 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
1466         PR c/80163
1467         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
1468         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
1469         signedness of the result type.
1471 2017-04-12  Richard Biener  <rguenther@suse.de>
1472             Jeff Law  <law@redhat.com>
1474         PR tree-optimization/80359
1475         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
1476         trim stores to TARGET_MEM_REFs.
1478 2017-04-12  Richard Biener  <rguenther@suse.de>
1480         PR tree-optimization/79390
1481         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
1482         threading case even more.
1484 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
1486         PR target/80382
1487         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
1488         for quad_address_p for TImode, instead of just not indexed_address.
1490 2017-04-12  Richard Biener  <rguenther@suse.de>
1491             Bernd Edlinger  <bernd.edlinger@hotmail.de>
1493         PR middle-end/79671
1494         * alias.c (component_uses_parent_alias_set_from): Handle
1495         TYPE_TYPELESS_STORAGE.
1496         (get_alias_set): Likewise.
1497         * tree-core.h (tree_type_common): Add typeless_storage flag.
1498         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
1499         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
1500         for types containing members with TYPE_TYPELESS_STORAGE.
1501         (place_field): Likewise.
1502         (layout_type): Likewise for ARRAY_TYPE.
1503         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
1504         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
1505         TYPE_TYPELESS_STORAGE.
1506         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
1508 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
1510         PR sanitizer/80349
1511         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
1512         first argument to type.
1514 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1516         PR target/80376
1517         PR target/80315
1518         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
1519         CONST0_RTX (mode) rather than const0_rtx where appropriate.
1520         (rs6000_expand_binop_builtin): Likewise.
1521         (rs6000_expand_ternop_builtin): Likewise; also add missing
1522         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
1523         vshasigma built-ins.
1524         * doc/extend.texi: Document that vec_xxpermdi's third argument
1525         must be a constant.
1527 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
1529         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
1530         Use shift_const cost parameter when calculating gain of STV shifts.
1532 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
1534         PR rtl-optimization/70478
1535         * lra-constraints.c (process_alt_operands): Check memory for
1536         disfavoring memory insn operand.
1538 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1540         PR middle-end/80100
1541         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
1542         left shift in unsigned HOST_WIDE_INT type.
1544         PR rtl-optimization/80385
1545         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
1546         (not (neg X)) into (plus X -1) for complex or non-integral modes.
1548         PR libgomp/80394
1549         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
1550         if they have any depend clauses.
1552 2017-04-11  Martin Liska  <mliska@suse.cz>
1554         PR ipa/80212
1555         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
1556         * ipa-split.c (split_function): Create a local comdat symbol
1557         if caller is in a comdat group.
1559 2017-04-11  Martin Liska  <mliska@suse.cz>
1561         PR ipa/80212
1562         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
1563         flags.
1565 2017-04-11  Martin Sebor  <msebor@redhat.com>
1567         PR middle-end/80364
1568         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
1569         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
1570         for INTEGER_TYPE.
1571         (directive::set_width, directive::set_precision, format_character):
1572         Adjust.
1573         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
1574         INTEGER_TYPE.
1576 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
1578         PR target/80389
1579         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
1580         conflict, set target->arch_name instead of target->cpu_name.
1582 2017-04-11  Richard Biener  <rguenther@suse.de>
1584         PR tree-optimization/80374
1585         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
1586         build_zero_cst, remove fold_convertible_p check again.
1588 2017-04-11  Martin Liska  <mliska@suse.cz>
1590         PR sanitizer/70878
1591         * ubsan.c (instrument_object_size): Do not instrument register
1592         variables.
1594 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1596         PR target/80381
1597         * config/i386/i386-builtin-types.def
1598         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
1599         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
1600         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
1601         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
1602         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
1603         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
1604         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
1605         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
1606         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
1607         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
1608         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
1609         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
1610         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
1611         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
1612         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
1613         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
1614         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
1615         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
1616         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
1617         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
1618         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
1619         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
1620         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
1621         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
1622         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
1623         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
1624         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
1625         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
1626         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
1627         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
1628         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
1629         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
1630         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
1631         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
1632         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
1633         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
1634         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
1635         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
1636         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
1637         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
1638         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
1639         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
1640         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
1641         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
1642         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
1643         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
1644         aliases.
1645         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
1646         flag to second_arg_count, handle 4 argument function type _COUNT
1647         aliases, handle second_arg_count on second argument rather than last.
1649 2017-04-10  Jeff Law  <law@redhat.com>
1651         PR tree-optimization/80374
1652         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
1653         record anything if we can not convert integer_zero_node to the
1654         desired type.
1656 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1658         PR target/80108
1659         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1660         Enhance special handling given to the TARGET_P9_MINMAX option in
1661         relation to certain other options.
1663 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
1665         PR tree-optimization/80153
1666         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
1667         remove POINTER_PLUS_EXPR's base part directly, rather than through
1668         aff_tree.
1670 2017-04-10  Richard Biener  <rguenther@suse.de>
1671             Bin Cheng  <bin.cheng@arm.com>
1673         PR tree-optimization/80153
1674         * tree-affine.c (aff_combination_to_tree): Get base pointer from
1675         the first element of pointer type aff_tree.  Build result expr in
1676         aff_tree's type.
1677         (add_elt_to_tree): Convert to type unconditionally.  Remove other
1678         fold_convert calls.
1679         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
1680         (rewrite_use_nonlinear_expr): Check invariant using iv information.
1682 2017-04-10  Richard Biener  <rguenther@suse.de>
1684         * tree-ssa-structalias.c (find_func_aliases): Properly handle
1685         asm inputs.
1687 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
1689         PR rtl-optimization/70478
1690         * lra-constraints.c (curr_small_class_check): New.
1691         (update_and_check_small_class_inputs): New.
1692         (process_alt_operands): Update curr_small_class_check.  Disfavor
1693         alternative insn memory operands.  Check available regs for small
1694         class operands.
1696 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
1698         PR target/80057
1699         * config/mips/mips.opt (-mvirt): Update description.
1700         * doc/invoke.texi (-mvirt): Likewise.
1702 2017-04-10  Richard Biener  <rguenther@suse.de>
1704         PR middle-end/80362
1705         * fold-const.c (fold_binary_loc): Look at unstripped ops when
1706         looking for NEGATE_EXPR in -A / -B to A / B folding.
1708 2017-04-10  Martin Liska  <mliska@suse.cz>
1710         PR gcov-profile/80224
1711         * gcov.c (print_usage): Fix usage string.
1712         (get_gcov_intermediate_filename): Remove.
1713         (output_gcov_file): Use both for normal and intermediate format.
1714         (generate_results): Do not initialize special file for
1715         intermediate format.
1717 2017-04-10  Richard Biener  <rguenther@suse.de>
1719         PR tree-optimization/80304
1720         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
1721         for safelen.
1723 2017-04-10  Nathan Sidwell  <nathan@acm.org>
1725         PR target/79905
1726         * config/rs6000/rs6000.c (rs6000_vector_type): New.
1727         (rs6000_init_builtins): Use it.
1729 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1731         * config/arm/arm.md (<mrc>): Add mode to SET source.
1732         (<mrrc>): Likewise.
1734 2017-04-10  Richard Biener  <rguenther@suse.de>
1736         PR middle-end/80344
1737         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
1739 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
1741         PR target/80324
1742         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
1743         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
1744         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
1745         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
1746         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
1747         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
1748         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
1749         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
1750         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
1751         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
1752         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
1753         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
1754         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
1755         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
1756         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
1757         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
1758         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
1759         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
1760         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
1761         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
1762         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
1763         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
1764         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
1766 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
1768         PR rtl-optimization/70478
1769         * lra-constraints.c: Reverse the last patch.
1771 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
1773         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
1774         Add comment for WCHAR_T.
1776 2017-04-08  Martin Liska  <mliska@suse.cz>
1778         Revert:
1779         2017-04-07  Martin Liska  <mliska@suse.cz>
1781         PR ipa/80212
1782         * ipa-split.c (split_function): Add function part to a same comdat
1783         group.
1785 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1787         PR target/80358
1788         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
1790 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
1792         * rs6000/rs6000.c (vec_load_pendulum): Rename...
1793         (vec_pairing): ...to this.
1794         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
1795         (rs6000_sched_init): Adjust for name change.
1796         (struct rs6000_sched_context): Likewise.
1797         (rs6000_init_sched_context): Likewise.
1798         (rs6000_set_sched_context): Likewise.
1800 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
1802         PR target/80322
1803         PR target/80323
1804         PR target/80325
1805         PR target/80326
1806         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
1807         intrinsics.
1808         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
1809         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
1810         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
1812 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
1814         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
1816 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
1818         PR rtl-optimization/70703
1819         * ira-color.c (update_conflict_hard_regno_costs): Use
1820         int64_t instead of HOST_WIDE_INT.
1822 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
1824         PR rtl-optimization/70478
1825         * lra-constraints.c (process_alt_operands): Disfavor alternative
1826         insn memory operands.
1828 2017-04-07  Jeff Law  <law@redhat.com>
1830         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
1831         CALL and NOTE_INSN_CALL_ARG_LOCATION.
1833 2017-04-07  Martin Liska  <mliska@suse.cz>
1835         PR target/79889
1836         * config/aarch64/aarch64.c (aarch64_process_target_attr):
1837         Show error message instead of an ICE.
1839 2017-04-07  Martin Liska  <mliska@suse.cz>
1841         PR ipa/80212
1842         * ipa-split.c (split_function): Add function part to a same comdat
1843         group.
1845 2017-04-07  Richard Biener  <rguenther@suse.de>
1847         PR middle-end/80341
1848         * tree.c (get_unwidened): Also handle ! for_type case for
1849         INTEGER_CSTs.
1850         * convert.c (do_narrow): Split out from ...
1851         (convert_to_integer_1): ... here.  Do not pass final truncation
1852         type to get_unwidened for TRUNC_DIV_EXPR.
1854 2017-04-07  Richard Biener  <rguenther@suse.de>
1856         * tree-affine.c (wide_int_ext_for_comb): Take type rather
1857         than aff_tree.
1858         (aff_combination_const): Adjust.
1859         (aff_combination_scale): Likewise.
1860         (aff_combination_add_elt): Likewise.
1861         (aff_combination_add_cst): Likewise.
1862         (aff_combination_convert): Likewise.
1863         (add_elt_to_tree): Likewise.  Remove unused argument.
1864         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
1866 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1868         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
1869         definition.
1870         * config/arm/arm.c (arm_default_short_enums): Use
1871         ARM_DEFAULT_SHORT_ENUMS.
1872         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
1874 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
1876         PR debug/80234
1877         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
1878         members with redundant out-of-class redeclaration.
1880 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
1882         PR target/80286
1883         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
1884         * config/i386/i386.md (*zero_extendsidi2):
1885         Add (?*x,*x) and (?*v,*v) alternatives.
1887 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
1889         PR target/79733
1890         * config/i386/i386.c (ix86_expand_builtin)
1891         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
1892         mode from insn data. Convert operands to insn operand mode.
1893         Copy operands that don't satisfy insn predicate to a register.
1895 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
1897         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
1898         Update comments.
1900 2017-04-06  Richard Biener  <rguenther@suse.de>
1902         PR tree-optimization/80334
1903         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
1904         preserve alignment of accesses.
1906 2017-04-06  Richard Biener  <rguenther@suse.de>
1908         PR tree-optimization/80262
1909         * tree-sra.c (build_ref_for_offset): Preserve address-space
1910         information.
1911         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
1912         Drop useless address-space information on MEM_REF offsets.
1914 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
1916         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
1918 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
1920         PR rtl-optimization/70703
1921         * ira-color.c (update_conflict_hard_regno_costs): Use
1922         HOST_WIDE_INT instead of long.
1924 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
1926         PR target/80298
1927         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
1928         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
1929         is not defined.
1930         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
1931         for x86_64 target.  Handle -m3dnowa option.
1933 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
1935         PR rtl-optimization/70703
1936         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
1937         (update_conflict_hard_regno_costs): Use long instead of unsigned
1938         arithmetic for cost calculation.
1940 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1941             Bernd Edlinger  <bernd.edlinger@hotmail.de>
1943         PR sanitizer/80308
1944         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
1945         for big endian.
1947 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
1949         PR target/78002
1950         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
1951         ptr_mode with Pmode throughout.
1952         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
1953         into probe_stack_range and use DImode.
1955 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1957         PR target/79890
1958         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
1959         call_eh_return is true.
1961 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1963         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
1964         Initialize last_match_fntype_index.
1966 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1968         PR target/80310
1969         * tree-nvr.c: Include internal-fn.h.
1970         (pass_return_slot::execute): Ignore internal calls without
1971         direct optab.
1973 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1974             Richard Biener  <rguenther@suse.de>
1976         PR c++/80297
1977         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
1978         captures used multiple times, except for the last use.
1979         * generic-match-head.c: Include gimplify.h.
1981 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1983         PR tree-optimization/79390
1984         * target.h (struct noce_if_info): Declare.
1985         * targhooks.h (default_noce_conversion_profitable_p): Declare.
1986         * target.def (noce_conversion_profitable_p): New target hook.
1987         * ifcvt.h (struct noce_if_info): New type, moved from ...
1988         * ifcvt.c (struct noce_if_info): ... here.
1989         (noce_conversion_profitable_p): Renamed to ...
1990         (default_noce_conversion_profitable_p): ... this.  No longer
1991         static nor inline.
1992         (noce_try_store_flag_constants, noce_try_addcc,
1993         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
1994         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
1995         instead of noce_conversion_profitable_p.
1996         * config/i386/i386.c: Include ifcvt.h.
1997         (ix86_option_override_internal): Don't override
1998         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
1999         (ix86_noce_conversion_profitable_p): New function.
2000         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
2001         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
2002         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
2003         * doc/tm.texi: Regenerated.
2005 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2007         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
2008         correction.
2010 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2012         PR target/80307
2013         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
2014         instructions for small multiply cores.
2016 2017-04-04  Jeff Law  <law@redhat.com>
2018         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
2019         added member.
2020         (mips_expand_vec_perm_const): Initialize elements in orig_perm
2021         that are not set by the loop over the elements.
2023 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
2025         PR target/80286
2026         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
2027         int mode, convert_modes it to mode as unsigned, otherwise use
2028         lowpart_subreg to mode rather than SImode.
2029         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
2030         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
2031         Use DImode instead of SImode for the shift count operand.
2032         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
2033         Likewise.
2035 2017-04-04  Richard Biener  <rguenther@suse.de>
2037         PR middle-end/80281
2038         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
2039         arithmetic done for the negate or the plus.  Simplify.
2040         (A - (-B) -> A + B): Likewise.
2041         * fold-const.c (split_tree): Make sure to not negate pointers.
2043 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
2045         PR rtl-optimization/60818
2046         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
2047         a compare of comparisons with the thing compared if this results
2048         in a different machine mode.
2050 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
2052         * alias.c (base_alias_check): Fix typo in comment.
2053         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
2054         * cgraphunit.c (symbol_table::compile): Likewise.
2055         * collect2.c (maybe_run_lto_and_relink): Likewise.
2056         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
2057         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
2058         * config/avr/avr.c (avr_map_op_t): Likewise.
2059         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
2060         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
2061         * config/epiphany/epiphany.md (movcc): Likewise.
2062         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
2063         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
2064         Likewise.
2065         * config/mips/mips.c (mips_save_restore_reg): Likewise.
2066         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
2067         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
2068         * config/sh/sh.c (sh_rtx_costs): Likewise.
2069         * fold-const.c (fold_truth_andor): Likewise.
2070         * genautomata.c (collapse_flag): Likewise.
2071         * gengtype.h (struct type::u::s): Likewise.
2072         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
2073         * input.c (FORMAT_AMOUNT): Likewise.
2074         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
2075         (known_aggs_to_agg_replacement_list): Likewise.
2076         * ipa-inline-analysis.c: Likewise.
2077         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
2078         * ipa-polymorphic-call.c
2079         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
2080         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
2081         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
2082         Likewise.
2083         * modulo-sched.c (apply_reg_moves): Likewise.
2084         * omp-expand.c (build_omp_regions_1): Likewise.
2085         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
2086         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
2087         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
2088         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2089         * value-prof.c: Likewise.
2090         * var-tracking.c (val_reset): Likewise.
2092 2017-04-03  Richard Biener  <rguenther@suse.de>
2094         PR tree-optimization/80275
2095         * fold-const.c (split_address_to_core_and_offset): Handle
2096         POINTER_PLUS_EXPR.
2098 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
2100         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
2101         descriptors is at least equal to that of functions.
2103 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
2105         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
2107 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
2109         PR target/80250
2110         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
2111         (mov<IMOD4:mode>): New expander.
2112         (*mov<IMOD4:mode>_internal): New insn and split pattern.
2114 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
2116         PR rtl-optimization/79405
2117         * fwprop.c (propagations_left): New variable.
2118         (forward_propagate_into): Decrement it.
2119         (fwprop_init): Initialize it.
2120         (fw_prop): If the variable has reached zero, stop propagating.
2121         (fwprop_addr): Ditto.
2123 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
2125         PR debug/79255
2126         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
2127         a FUNCTION_DECL, pass it as decl instead of origin to
2128         process_scope_var.
2130 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
2132         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
2133         string.
2135 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
2137         PR target/80107
2138         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
2139         TARGET_VSX_SMALL_INTEGER.
2141 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2143         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
2144         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
2146 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
2148         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
2149         extraction from odd-numbered MSA register.
2151 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
2153         PR middle-end/80173
2154         * expmed.c (store_bit_field_1): Don't attempt to create
2155         a word subreg out of hard registers wider than word if they
2156         have HARD_REGNO_NREGS of 1 for their mode.
2158         PR middle-end/80163
2159         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
2160         conversions to integer types wider than word and pointer.
2162         PR debug/80025
2163         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
2164         (rtx_equal_for_cselib_p): Pass 0 to it.
2165         * cselib.c (cselib_hasher::equal): Likewise.
2166         (rtx_equal_for_cselib_1): Add depth argument.  If depth
2167         is 128, don't look up VALUE locs and punt.  Increment
2168         depth in recursive calls when walking VALUE locs.
2170 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2172         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
2173         (make_gcov_file_name): Use the canonical path name for generating
2174         the MD5 value.
2175         (read_line): Fix handling of files with ascii null bytes.
2177 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
2179         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
2180         to initialise a vector register instead
2181         of using a const_int.
2183 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
2185         PR translation/80189
2186         * gimplify.c (omp_default_clause): Use %qs instead of %s in
2187         diagnostic messages.
2189 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
2191         PR target/80246
2192         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
2193         (dfp_diex_<mode>): Update mode of operand 1.
2194         * doc/extend.texi (dxex, dxexq): Document change to return type.
2195         (diex, diexq): Document change to argument type.
2197 2017-03-30  Martin Jambor  <mjambor@suse.cz>
2199         PR ipa/77333
2200         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
2201         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
2202         it reflects the signature changes performed at the callee side.
2203         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
2204         to cgraph_build_function_type_skip_args.
2205         (build_function_decl_skip_args): Adjust call to the above function.
2207 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
2209         PR target/80206
2210         * config/i386/sse.md
2211         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
2212         register as dest whenever it is a MEM not rtx_equal_p to the
2213         corresponding dup operand, and when forcing into reg move the
2214         reg into the memory afterwards.
2215         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
2216         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
2217         for the force_reg mode.
2218         (avx512vl_vextractf128<mode>): Use register as dest either
2219         always when a MEM, or when it is a MEM not rtx_equal_p to the
2220         corresponding dup operand, or even not when it is a CONST_VECTOR
2221         depending on the mode and lo vs. hi.
2222         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
2223         parens.
2224         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
2225         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
2226         Likewise.  Require that operands[2] is even.
2227         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
2228         Remove extraneous parens.  Require that operands[2] is a multiple
2229         of 4.
2230         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
2231         operands[0] is a MEM if <mask_applied>, the predicates/constraints
2232         disallow memory then.
2234 2017-03-30  Richard Biener  <rguenther@suse.de>
2236         PR tree-optimization/77498
2237         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
2238         to non-constants over backedges.
2240 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
2242         PR rtl-optimization/80233
2243         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
2244         as last_combined_insn.  Do not test for BARRIER_P separately.
2246 2017-03-29  Andreas Schwab  <schwab@suse.de>
2248         PR ada/80146
2249         * calls.c (prepare_call_address): Convert funexp to Pmode before
2250         copying to temp reg.
2252 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2254         PR tree-optimization/80158
2255         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
2256         Handle possible future case of more than one alternate
2257         interpretation.
2258         (replace_rhs_if_not_dup): Likewise.
2259         (replace_one_candidate): Likewise.
2261 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
2263         PR rtl-optimization/80193
2264         * ira.c (ira): Do not check allocation for LRA.
2266 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
2268         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
2269         (nvptx_output_simt_exit): Declare.
2270         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
2271         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
2272         (init_softstack_frame): Move initialization of crtl->is_leaf to...
2273         (nvptx_declare_function_name): ...here.  Emit declaration of local
2274         memory space buffer for omp_simt_enter insn.
2275         (nvptx_output_unisimt_switch): New.
2276         (nvptx_output_softstack_switch): New.
2277         (nvptx_output_simt_enter): New.
2278         (nvptx_output_simt_exit): New.
2279         * config/nvptx/nvptx.h (struct machine_function): New fields
2280         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
2281         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
2282         (UNSPECV_SIMT_EXIT): Ditto.
2283         (omp_simt_enter_insn): New insn.
2284         (omp_simt_enter): New expansion.
2285         (omp_simt_exit): New insn.
2286         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
2288         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
2289         (expand_GOMP_SIMT_ENTER_ALLOC): New.
2290         (expand_GOMP_SIMT_EXIT): New.
2291         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
2292         (GOMP_SIMT_ENTER_ALLOC): Ditto.
2293         (GOMP_SIMT_EXIT): Ditto.
2294         * target-insns.def (omp_simt_enter): New insn.
2295         (omp_simt_exit): Ditto.
2296         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
2297         simt_dlist.
2298         (lower_rec_simd_input_clauses): Implement SIMT privatization.
2299         (lower_rec_input_clauses): Likewise.
2300         (lower_lastprivate_clauses): Handle SIMT privatization.
2302         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
2303         (ompdevlow_adjust_simt_enter): New.
2304         (find_simtpriv_var_op): New.
2305         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
2306         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
2308         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
2309         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
2310         (copy_decl_for_dup_finish): Ditto.
2312         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
2314 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
2316         PR target/53383
2317         * config/i386/i386.c (ix86_option_override_internal): Always
2318         allow -mpreferred-stack-boundary=3 for 64-bit targets.
2320 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
2322         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
2324 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
2326         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
2327         mark new edge's irreducible flag accordign to it.
2328         (vect_do_peeling): Check loop preheader edge's irreducible flag
2329         and pass it to function slpeel_add_loop_guard.
2331 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
2333         PR tree-optimization/80218
2334         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
2335         Update block frequencies and counts.
2337 2017-03-28  Richard Biener  <rguenther@suse.de>
2339         PR tree-optimization/78644
2340         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
2341         of a simplification result we may not use it at all.
2343 2017-03-28  Richard Biener  <rguenther@suse.de>
2345         PR ipa/80205
2346         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
2347         without arguments, generate default definition of a SSA name.
2349 2017-03-28  Richard Biener  <rguenther@suse.de>
2351         PR middle-end/80222
2352         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
2353         TYPE_REF_CAN_ALIAS_ALL references.
2354         * fold-const.c (fold_indirect_ref_1): Likewise.
2356 2017-03-28  Martin Liska  <mliska@suse.cz>
2358         PR ipa/80104
2359         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
2360         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
2362 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
2363             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
2365         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
2366         (EXTRA_SPECS): Define.
2367         (SUBTARGET_EXTRA_SPECS): Likewise.
2368         (SUBTARGET_CPP_SPEC): Likewise.
2369         * config/arc/elf.h (EXTRA_SPECS): Renamed to
2370         SUBTARGET_EXTRA_SPECS.
2371         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
2373 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
2375         * config/arc/simdext.md (vst64_insn): Update pattern.
2376         (vld32wh_insn): Likewise.
2377         (vld32wl_insn): Likewise.
2378         (vld64_insn): Likewise.
2379         (vld32_insn): Likewise.
2381 2017-03-28  Marek Polacek  <polacek@redhat.com>
2383         PR sanitizer/80067
2384         * fold-const.c (fold_comparison): Use protected_set_expr_location
2385         instead of SET_EXPR_LOCATION.
2387 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
2389         * tree.c (add_expr): Avoid name lookup warning.
2391 2017-03-27  Jeff Law  <law@redhat.com>
2393         PR tree-optimization/80216
2394         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
2395         function name.  Limit recursion depth.
2396         (record_temporary_equivalences): Corresponding changes.
2398 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
2400         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
2401         covered first.
2403 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
2405         PR target/80102
2406         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
2407         notes.
2408         * cfgcleanup.c (reg_note_cfa_p): New array.
2409         (insns_have_identical_cfa_notes): New function.
2410         (old_insns_match_p): Don't cross-jump in between /f
2411         and non-/f instructions.  If both i1 and i2 are frame related,
2412         verify all CFA notes, their order and content.
2414 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
2416         PR target/78543
2417         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
2418         HImode and SImode with zero extend to DImode to one insn.
2419         (bswap<mode>2_extenddi): Likewise.
2420         (bswapsi2_extenddi): Likewise.
2421         (bswaphi2_extendsi): Likewise.
2422         (bswaphi2): Combine bswap HImode and SImode into one insn.
2423         Separate memory insns from swapping register.
2424         (bswapsi2): Likewise.
2425         (bswap<mode>2): Likewise.
2426         (bswaphi2_internal): Delete, no longer used.
2427         (bswapsi2_internal): Likewise.
2428         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
2429         store, and gpr<-gpr swap insns.
2430         (bswap<mode>2_store): Likewise.
2431         (bswaphi2_reg): Register only splitter, combine with the splitter.
2432         (bswaphi2 splitter): Likewise.
2433         (bswapsi2_reg): Likewise.
2434         (bswapsi2 splitter): Likewise.
2435         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
2436         the insns into load, store, and register/register insns.
2437         (bswapdi2_ldbrx): Likewise.
2438         (bswapdi2_load): Likewise.
2439         (bswapdi2_store): Likewise.
2440         (bswapdi2_reg): Likewise.
2442 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
2444         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
2445         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
2447 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2449         PR target/80103
2450         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
2451         add comments.
2452         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
2453         special handling for target option conflicts between dform
2454         options (-mpower9-dform, -mpower9-dform-vector,
2455         -mpower9-dform-scalar) and -mno-direct-move.
2457 2017-03-27  Richard Biener  <rguenther@suse.de>
2459         PR tree-optimization/80181
2460         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
2462 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2464         * config/arc/predicates.md (move_double_src_operand): Replace the
2465         call to move_double_src_operand with a call to address_operand.
2467 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2469         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
2470         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
2471         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
2473 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2475         * config/arc/predicates.md (long_immediate_loadstore_operand):
2476         Consider scaled addresses cases.
2478 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2480         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
2481         restored when in interrupt.
2482         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
2483         doesn't have delay slot.
2485 2017-03-27  Richard Biener  <rguenther@suse.de>
2487         PR ipa/79776
2488         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
2489         inlined thunk clones.
2491 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
2493         PR sanitizer/80168
2494         * asan.c (instrument_derefs): Copy over last operand from
2495         original COMPONENT_REF to the new COMPONENT_REF with
2496         DECL_BIT_FIELD_REPRESENTATIVE.
2497         * ubsan.c (instrument_object_size): Likewise.
2499 2017-03-27  Richard Biener  <rguenther@suse.de>
2501         PR tree-optimization/80170
2502         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
2503         sure DR/SCEV didnt fold in constants we do not see when looking
2504         at the reference base alignment.
2506 2017-03-27  Richard Biener  <rguenther@suse.de>
2508         PR middle-end/80171
2509         * gimple-fold.c (fold_ctor_reference): Properly guard against
2510         NULL return value from canonicalize_constructor_val.
2512 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
2514         PR target/80180
2515         * config/i386/i386.c (ix86_expand_builtin)
2516         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
2517         flags reg setting and flags reg using instructions.
2518         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
2519         clobbering instructions to zero extend op2.
2521 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
2523         * doc/install.texi (Configuration) <--with-aix-soname>:
2524         Update link to AIX ld.
2526 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
2528         PR rtl-optimization/80160
2529         PR rtl-optimization/80159
2530         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
2531         reg_alternate_class into account.
2533 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
2535         PR target/80148
2536         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
2537         to consider in curr_insn_transform.
2539 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
2541         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
2542         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
2543         and emit_mode_inner.
2545 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2547         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
2548         argument to the overloaded builtin variants.  Use the new flag to
2549         deprecate certain builtin variants.
2550         * config/s390/s390-builtin-types.def: Add new builtin types.
2551         * config/s390/s390-builtins.h: Support new flags field for
2552         overloaded builtins.
2553         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
2554         (s390_macro_to_expand): Enable vector float data type.
2555         (s390_cpu_cpp_builtins_internal): Indicate support of the new
2556         builtins by incrementing the __VEC__ version number.
2557         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
2558         vec_xst.
2559         (s390_resolve_overloaded_builtin): Emit error messages depending
2560         on the builtin flags.
2561         * config/s390/s390.c (s390_expand_builtin): Support additional
2562         flags argument.  Change error message to match the messages
2563         emitted in s390-c.c.
2564         * config/s390/s390.md: New UNSPEC_* constants.
2565         (op_type): Add new instruction types.
2566         * config/s390/vecintrin.h: Add new builtins and test data class
2567         constants.
2568         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
2569         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
2570         (VEC_INEXACT, VEC_NOINEXACT): New constants.
2571         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
2572         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
2573         ("vec_mergel<mode>"): V_HW -> VEC_HW.
2575         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
2576         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
2577         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
2578         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
2580         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
2581         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
2582         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
2583         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
2585         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
2586         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
2587         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
2588         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
2589         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
2590         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
2591         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
2593         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
2594         ("vec_scatter_element<V_HW_4:mode>_DI")
2595         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
2596         ("vec_fpint<mode>", "vflls")
2597         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
2598         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
2599         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
2600         ("*vec_cmphe<mode>_cc"): ... these.
2602         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
2603         mode constant instead of magic value.
2605 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2607         * config/s390/s390.c (s390_expand_vec_compare): Support other
2608         vector floating point modes than just V2DF.
2609         (s390_expand_vcond): Likewise.
2610         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
2611         (s390_cannot_change_mode_class): Prevent mode changes between TF
2612         and V1TF in vector registers.
2613         * config/s390/s390.md (DF, SF): New mode attributes.
2614         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
2615         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
2616         SFmode support for VRs.
2617         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
2618         vector fp modes.
2619         (VFT, VF_HW): New mode iterators.
2620         (vw, sdx): New mode attributes.
2621         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
2622         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
2623         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
2624         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
2625         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
2626         also the new vector floating point modes.  Renaming to ...
2628         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
2629         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
2630         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
2631         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
2632         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
2633         ("vec_unordered<mode>"): ... these.
2635         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
2636         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
2637         ("*vec_extendv2df"): New insn definitions.
2639 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2641         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
2642         ("mulditi3_2", "*muldi3_sign"): New patterns.
2643         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
2644         rename the pattern definition.
2646 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2648         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
2649         expander.
2650         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
2652 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2654         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
2655         instruction if possible.
2656         * config/s390/vector.md (vec_halfnumelts): New mode
2657         attribute.
2658         ("*vec_vllezlf<mode>"): New pattern.
2660 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2662         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
2663         ("popcountv4si2", "popcountv2di2"): Rename to ...
2664         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
2665         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
2666         condition.
2667         ("popcount<mode>2_vxe"): New pattern.
2669 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2671         * common/config/s390/s390-common.c (processor_flags_table): Add
2672         arch12.
2673         * config.gcc: Add arch12.
2674         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2675         Default to arch12 for unknown CPU model numbers.
2676         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
2677         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
2678         PROCESSOR_max sanity check.
2679         * config/s390/s390-opts.h (enum processor_type): Add
2680         PROCESSOR_ARCH12.
2681         * config/s390/s390.c (processor_table): Add arch12.
2682         (s390_expand_builtin): Add check for B_VXE flag.
2683         (s390_issue_rate): Add PROCESSOR_ARCH12.
2684         (s390_get_sched_attrmask): Likewise.
2685         (s390_get_unit_mask): Likewise.
2686         (s390_sched_score): Enable z13 scheduling for arch12.
2687         (s390_sched_reorder): Likewise.
2688         (s390_sched_variable_issue): Likewise.
2689         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
2690         PF_VXE.
2691         (s390_tune_attr): Use z13 scheduling also for arch12.
2692         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
2693         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
2694         (TARGET_VXE_P): New macros.
2695         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
2696         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
2697         * config/s390/s390.opt: Add arch12 as processor_type.
2699 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2701         * config/s390/s390.md
2702         ("fixuns_truncdddi2", "fixuns_trunctddi2")
2703         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
2704         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
2706         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
2707         Rename expanders to ...
2709         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
2710         ("fixuns_truncdddi2_emu"): ... these.
2712         ("fixuns_trunc<mode>si2_emu"): New expander.
2714         ("*fixuns_truncdfdi2_z13"): Rename to ...
2715         ("*fixuns_truncdfdi2_vx"): ... this.
2717 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2719         * config/s390/2964.md: Remove the single element vector compare
2720         instructions which are no longer used.
2721         * config/s390/s390.c (s390_select_ccmode): Remove handling of
2722         vector CCmodes.
2723         (s390_canonicalize_comparison): Remove handling of DFmode
2724         compares.
2725         (s390_expand_vec_compare_scalar): Remove function.
2726         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
2727         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
2728         pattern.
2729         ("*cmp<mode>_ccs"): Add wfcdb instruction.
2731 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2733         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
2734         FP zero.
2735         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
2736         will anyway by matched by mov<mode>_64dfp.
2738 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2740         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
2741         vlef/vstef.  Add missing operand to vleif.
2743 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2745         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
2746         pair for all vector types with 64 bit elements.
2747         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
2748         * config/s390/vector.md (V_HW_64): ... here.
2749         (V_128_NOSINGLE): New mode iterator.
2750         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
2751         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
2752         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
2753         ("*vec_load_pairv2di"): Change to ...
2754         ("*vec_load_pair<mode>"): ... this one.
2756 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2758         * config/s390/constraints.md: Add comments.
2759         (jKK): Reject element sizes > 8 bytes.
2760         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
2761         s_operands.
2762         * config/s390/s390.md: Add the s_operand checks formerly in
2763         s390_split_ok_p to various splitters where they are still
2764         required.
2765         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
2766         for 128 bit vectors.  Plus two splitters.
2768 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2770         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
2771         the file.
2773 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2775         PR target/79893
2776         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
2777         error if the boundary argument is not constant.
2779 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
2781         PR rtl-optimization/80112
2782         * loop-doloop.c (doloop_condition_get): Don't check condition
2783         if cmp isn't SET with IF_THEN_ELSE src.
2785 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2787         PR tree-optimization/80158
2788         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
2789         replacing a candidate statement, also replace it for the
2790         candidate's alternate interpretation.
2791         (replace_rhs_if_not_dup): Likewise.
2792         (replace_one_candidate): Likewise.
2794 2017-03-24  Richard Biener  <rguenther@suse.de>
2796         PR tree-optimization/80167
2797         * graphite-isl-ast-to-gimple.c
2798         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
2799         properly.
2800         (translate_isl_ast_to_gimple::get_rename): Likewise.
2802 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2804         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
2805         handling of certain combinations of target options, including the
2806         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
2807         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
2809 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2811         PR target/71436
2812         * config/arm/arm.md (*load_multiple): Add reload_completed to
2813         matching condition.
2815 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2816             Richard Biener  <rguenth@suse.de>
2818         PR tree-optimization/79908
2819         PR tree-optimization/80136
2820         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
2821         been cast away, gimplify_and_add suffices.
2823 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
2825         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
2827 2017-03-23  Richard Biener  <rguenther@suse.de>
2829         PR tree-optimization/80032
2830         * gimplify.c (gimple_push_cleanup): Forced unconditional
2831         cleanups still have to go to the conditional_cleanups
2832         sequence.
2834 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
2836         PR tree-optimization/80072
2837         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
2838         to unsigned int.
2839         (next_operand_entry_id): Change type to unsigned int.
2840         (sort_by_operand_rank): Make sure to return the right return value
2841         even if unsigned fields are bigger than INT_MAX.
2842         (struct oecount): Change cnt and id type to unsigned int.
2843         (oecount_hasher::equal): Formatting fix.
2844         (oecount_cmp): Make sure to return the right return value
2845         even if unsigned fields are bigger than INT_MAX.
2846         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
2848         PR c++/80129
2849         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
2850         TREE_READONLY on result if writing it more than once.
2852         PR sanitizer/80110
2853         * doc/invoke.texi (-fsanitize=thread): Document that with
2854         -fnon-call-exceptions atomics are not able to throw
2855         exceptions.
2857         PR sanitizer/80110
2858         * tsan.c: Include tree-eh.h.
2859         (instrument_builtin_call): Call maybe_clean_eh_stmt or
2860         maybe_clean_or_replace_eh_stmt where needed.
2861         (instrument_memory_accesses): Add cfg_changed argument.
2862         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
2863         if it returned true.
2864         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
2866         PR rtl-optimization/63191
2867         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
2868         wrapper function, moved the whole old content into ...
2869         (ix86_delegitimize_address_1): ... this.  New inline function.
2870         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
2871         true as last argument instead of ix86_delegitimize_address.
2873 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
2875         * config/aarch64/aarch64.c (generic_branch_cost): Copy
2876         cortexa57_branch_cost.
2878 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
2880         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
2882 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2884         PR target/80123
2885         * doc/md.texi (Constraints): Document wA constraint.
2886         * config/rs6000/constraints.md (wA): New.
2887         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
2888         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
2889         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
2890         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
2892 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
2894         PR c++/80029
2895         * gimplify.c (is_oacc_declared): New function.
2896         (oacc_default_clause): Use it to set default flags for acc declared
2897         variables inside parallel regions.
2898         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
2899         declared variables.
2900         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
2901         declare attribute to any decl as necessary.
2903 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2905         PR target/80082
2906         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
2907         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
2908         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
2909         (arm_arch_lpae): This.
2910         * config/arm/arm.c (arm_arch7ve): Rename into ...
2911         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
2912         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
2913         arm_arch_lpae.
2915 2017-03-22  Martin Liska  <mliska@suse.cz>
2917         PR target/79906
2918         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
2919         error message instead of an ICE.
2921 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2923         * doc/extend.texi (6.11 Additional Floating Types): Revise.
2925 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2927         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
2928         comments.
2929         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
2930         comments.
2932 2017-03-21  Martin Sebor  <msebor@redhat.com>
2934         * doc/extend.texi: Use "cannot" instead of "can't."
2935         * doc/hostconfig.texi: Same.
2936         * doc/install.texi: Same.
2937         * doc/invoke.texi: Same.
2938         * doc/loop.texi: Same.
2939         * doc/md.texi: Same.
2940         * doc/objc.texi: Same.
2941         * doc/rtl.texi: Same.
2942         * doc/tm.texi: Same.
2943         * doc/tm.texi.in: Same.
2944         * doc/trouble.texi: Same.
2946 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
2948         PR debug/63238
2949         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
2950         (collect_checksum_attributes): Set it.
2951         (die_checksum_ordered): Use it.
2953 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2955         PR tree-optimization/79908
2956         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
2957         change: For a VA_ARG whose LHS has been cast away, use
2958         force_gimple_operand to construct the side effects.
2960 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
2962         PR translation/80001
2963         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
2964         more amenable to translation.
2965         (oacc_loop_auto_partitions): Likewise.
2967 2017-03-21  Marek Polacek  <polacek@redhat.com>
2968             Martin Sebor  <msebor@redhat.com>
2970         PR tree-optimization/80109
2971         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
2972         on INTEGRAL_TYPE_P.
2974 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
2975             Segher Boessenkool  <segher@kernel.crashing.org>
2977         PR target/80125
2978         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
2979         check reg_used_between_p between insn and one of succ or succ2
2980         depending on if succ is artificial insn not inserted into insn
2981         stream.
2983 2017-03-21  Martin Liska  <mliska@suse.cz>
2985         PR gcov-profile/80081
2986         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
2987         * doc/gcc.texi: Include gcov-dump stuff.
2988         * doc/gcov-dump.texi: New file.
2990 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
2992         PR rtl-optimization/79150
2993         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
2994         conditional jump, if the jump is the last insn of the loop.
2996 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2997             Richard Biener  <rguenth@suse.de>
2999         PR tree-optimization/79908
3000         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
3001         been cast away, use force_gimple_operand to construct the side
3002         effects.
3004 2017-03-21  Martin Liska  <mliska@suse.cz>
3006         PR libfortran/79956
3007         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
3008         to NULL.
3010 2017-03-21  Brad Spengler <spender@grsecurity.net>
3012         PR plugins/80094
3013         * plugin.c (htab_hash_plugin): New function.
3014         (add_new_plugin): Use it and adjust.
3015         (parse_plugin_arg_opt): Adjust.
3016         (init_one_plugin): Likewise.
3018 2017-03-21  Richard Biener  <rguenther@suse.de>
3020         PR tree-optimization/80032
3021         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
3022         if set force the cleanup to happen unconditionally.
3023         (gimplify_target_expr): Push inserted clobbers with force_uncond
3024         to avoid them being removed by control-dependent DCE.
3026 2017-03-21  Richard Biener  <rguenther@suse.de>
3028         PR tree-optimization/80122
3029         * tree-inline.c (copy_bb): Do not expans va-arg packs or
3030         va_arg_pack_len when the inlined call stmt requires pack
3031         expansion itself.
3032         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
3034 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
3036         PR sanitizer/78158
3037         * tsan.c (instrument_builtin_call): If the memory model argument
3038         is not a constant, assume it is valid.
3040         PR c/67338
3041         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
3042         avoid UB.
3044 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
3046         PR rtl-optimization/79910
3047         * combine.c (can_combine_p): Do not allow combining an I0 or I1
3048         if its dest is used by an insn before I2 (other than the combined
3049         insns themselves, which are properly handled already).
3051 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
3053         Revert:
3054         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
3056         * combine.c (record_used_regs): New static function.
3057         (try_combine): Handle situations where there is an additional
3058         instruction between I2 and I3 which needs to have a LOG_LINK
3059         updated.
3061         Revert:
3062         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
3064         * combine.c (try_combine): Delete redundant i1 test.  Call
3065         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3067 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3069         PR target/80083
3070         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
3071         alternatives 13/14.
3073 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3075         PR tree-optimization/80054
3076         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
3077         the optimization if a PHI or any of its arguments is not dominated
3078         by the candidate's basis.  Use gphi* rather than gimple* as
3079         appropriate.
3080         (replace_profitable_candidates): Clean up a gimple* variable that
3081         should be a gphi* variable.
3083 2017-03-20  Martin Sebor  <msebor@redhat.com>
3085         PR c++/52477
3086         * doc/extend.texi (attribute constructor): Document present limitation.
3088 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3090         PR target/79963
3091         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
3092         __POWER9_VECTOR__ #ifdef control, change template definition to
3093         use Power9-specific built-in function.
3094         (vec_any_eq): Likewise.
3095         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
3096         to control outcomes from this test.
3097         (vector_ae_<mode>p): For VEC_F modes, likewise.
3099 2017-03-20  Ian Lance Taylor  <iant@google.com>
3101         * config/i386/i386.c (ix86_function_regparm): Save an extra
3102         register for -fsplit-stack with DECL_STATIC_CHAIN.
3104 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
3106         PR target/79912
3107         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
3108         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
3110 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
3112         * config/riscv/riscv.c (riscv_print_operand): Use "fence
3113         iorw,ow".
3114         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
3115         iorw,iorw".
3117 2017-03-20  Marek Polacek  <polacek@redhat.com>
3119         PR sanitizer/80063
3120         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
3122 2017-03-20  Richard Biener  <rguenther@suse.de>
3124         PR tree-optimization/80113
3125         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
3126         allocate extra SSA name for PHI def.
3127         (add_close_phis_to_outer_loops): Likewise.
3128         (add_close_phis_to_merge_points): Likewise.
3129         (copy_loop_close_phi_args): Likewise.
3130         (copy_cond_phi_nodes): Likewise.
3132 2017-03-20  Martin Liska  <mliska@suse.cz>
3134         PR middle-end/79753
3135         * tree-chkp.c (chkp_build_returned_bound): Do not build
3136         returned bounds for a LHS that's not a BOUNDED_P type.
3138 2017-03-20  Martin Liska  <mliska@suse.cz>
3140         PR target/79769
3141         PR target/79770
3142         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
3143         COMPLEX_CST and VECTOR_CST.
3145 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3147         PR target/78857
3148         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
3149         target operand.  A new splitter adds the clobber statement in case
3150         the target operand is dead anyway.
3152 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3154         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
3155         to age-old versions of binutils and glibc.
3157 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
3159         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
3161 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
3163         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
3165 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
3167         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
3168         requirement for binutils 2.13.
3170 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
3172         * combine.c (try_combine): Delete redundant i1 test.  Call
3173         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3175 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
3177         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
3178         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
3179         contents.
3180         <riscv64-*-elf>: Re-arrange section
3181         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
3182         <riscv32-*-linux>: Likewise.
3183         <riscv64-*-elf>: Likewise
3184         <riscv64-*-linux>: Likewise.
3186 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
3188         PR target/80052
3189         * aarch64.opt(verbose-cost-dump): Fix typo.
3191 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
3193         PR target/79951
3194         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
3195         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
3197 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
3199         * reload.c (find_reloads): When reloading a nonoffsettable address,
3200         use RELOAD_OTHER for it and its address reloads.
3202         PR rtl-optimization/79910
3203         * combine.c (record_used_regs): New static function.
3204         (try_combine): Handle situations where there is an additional
3205         instruction between I2 and I3 which needs to have a LOG_LINK
3206         updated.
3208 2017-03-17  Jeff Law  <law@redhat.com>
3210         PR tree-optimization/71437
3211         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
3212         conditional in the hash table first.
3213         (vrp_dom_walker::before_dom_children): Extract condition from
3214         ASSERT_EXPR.  Record condition, its inverion and any implied
3215         conditions as well.
3217 2017-03-17  Marek Polacek  <polacek@redhat.com>
3218             Markus Trippelsdorf  <markus@trippelsdorf.de>
3220         PR tree-optimization/80079
3221         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
3222         m_stores_head.
3224 2017-03-17  Richard Biener  <rguenther@suse.de>
3226         PR middle-end/80075
3227         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
3228         Properly verify the LHS before the RHS possibly claims to be
3229         handled.
3230         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
3231         do not throw.
3233 2017-03-17  Martin Jambor  <mjambor@suse.cz>
3235         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
3236         (List of -O2 options): Likewise.
3237         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
3238         (-fipa-vrp) New.
3240 2017-03-17  Tom de Vries  <tom@codesourcery.com>
3242         * gcov-dump.c (print_usage): Print bug_report_url.
3244 2017-03-17  Richard Biener  <rguenther@suse.de>
3246         PR middle-end/80050
3247         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
3248         (parser::peek): Likewise.
3250 2017-03-17  Richard Biener  <rguenther@suse.de>
3252         PR tree-optimization/80048
3253         * sese.c (free_sese_info): Properly release rename_map and
3254         copied_bb_map elements.
3256 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
3258         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
3259         Add linked-list forward and backlinks.  Insert on
3260         construction, remove on destruction.
3261         (class pass_store_merging): Add m_stores_head field.
3262         (pass_store_merging::terminate_and_process_all_chains):
3263         Iterate over m_stores_head list.
3264         (pass_store_merging::terminate_all_aliasing_chains):
3265         Likewise.
3266         (pass_store_merging::execute): Check for debug stmts first.
3267         Push new chains onto the m_stores_head stack.
3269 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
3271         PR target/71294
3272         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
3273         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
3274         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
3276 2017-03-16  Jeff Law  <law@redhat.com>
3278         PR tree-optimization/71437
3279         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
3280         member function.  Implementation moved into after_dom_children
3281         member function and into the threader's thread_outgoing_edges
3282         function.
3283         (dom_opt_dom_walker::after_dom_children): Simplify by moving
3284         some code into new thread_outgoing_edges.
3285         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
3286         definition.  Simplify marker handling (do it here).   Assume we always
3287         have the available expression and the const/copies tables.
3288         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
3289         and tree-vrp.c
3290         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
3291         * tree-vrp.c (equiv_stack): No longer file scoped.
3292         (vrp_dom_walker): New class.
3293         (vrp_dom_walker::before_dom_children): New member function.
3294         (vrp_dom_walker::after_dom_children): Likewise.
3295         (identify_jump_threads):  Setup domwalker.  Use it rather than
3296         walking edges in a random order by hand.  Simplify setup/finalization.
3297         (finalize_jump_threads): Remove.
3298         (vrp_finalize): Do not call identify_jump_threads here.
3299         (execute_vrp): Do it here instead and call thread_through_all_blocks
3300         here too.
3302         PR tree-optimization/71437
3303         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
3304         callers changed.
3305         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
3306         callers changed.
3307         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
3308         (dom_opt_dom_walker::thread_across_edge): Remove
3309         handle_dominating_asserts argument.  All callers changed.
3310         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
3311         changes.  Remove calls to lhs_of_dominating_assert.  Other
3312         uses of handle_dominating_asserts turn into unconditional code
3313         (simplify_control_stmt_condition_1): Likewise.
3314         (simplify_control_stmt_condition): Likewise.
3315         (thread_through_normal_block, thread_across_edge): Likewise.
3316         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
3317         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
3318         object if it is not an SSA_NAME.
3319         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
3320         before calling into the VRP specific simplifiers.
3321         (identify_jump_threads): Remove handle_dominating_asserts
3322         argument.
3324 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
3326         PR fortran/79886
3327         * tree-diagnostic.c (default_tree_printer): No longer static.
3328         * tree-diagnostic.h (default_tree_printer): New prototype.
3330 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
3332         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
3333         Change ins into fmov.
3335 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3337         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
3338         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
3339         Use h_con constraint for operand 1.
3340         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
3341         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
3343 2017-03-15  Jeff Law  <law@redhat.com>
3345         PR tree-optimization/71437
3346         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
3347         (record_temporary_equivalences): Use it.
3349         PR tree-optimization/71437
3350         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
3351         tree-ssa-scopedtables.
3352         (lookup_avail_expr, build_and_record_new_cond): Likewise.
3353         (record_conditions, record_cond, vuse_eq): Likewise.
3354         (record_edge_info): Adjust to API tweak of record_conditions.
3355         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
3356         (record_temporary_equivalences, optimize_stmt): Likewise.
3357         (eliminate_redundant_computations): Likewise.
3358         (record_equivalences_from_stmt): Likewise.
3359         * tree-ssa-scopedtables.c: Include options.h and params.h.
3360         (vuse_eq): New function, moved from tree-ssa-dom.c
3361         (build_and_record_new_cond): Likewise.
3362         (record_conditions): Likewise.  Accept vector of conditions rather
3363         than edge_equivalence structure for first argument.
3364         for the first argument.
3365         (avail_exprs_stack::lookup_avail_expr): New member function, moved
3366         from tree-ssa-dom.c.
3367         (avail_exprs_stack::record_cond): Likewise.
3368         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
3369         from tree-ssa-dom.c.
3370         (avail_exprs_stack): Add new member functions lookup_avail_expr
3371         and record_cond.
3372         (record_conditions): Declare.
3374 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
3376         PR target/80017
3377         * lra-constraints.c (process_alt_operands): Increase reject for
3378         reloading an input/output operand.
3380 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3382         PR target/79038
3383         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
3384         insns to convert from signed/unsigned char/short to IEEE 128-bit
3385         floating point.
3386         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
3388 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
3390         PR target/80019
3391         * config/i386/i386.c (ix86_vector_duplicate_value): Create
3392         subreg of inner mode for values already in registers.
3394 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
3396         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
3397         iteration reg is used after the loop.
3399 2017-03-14  Martin Sebor  <msebor@redhat.com>
3401         PR tree-optimization/79800
3402         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
3403         precision in negative-positive range.
3404         (format_floating): Call non-const overload with adjusted precision.
3406 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3408         PR target/79947
3409         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
3410         -mpowerpc-gfxopt.
3412 2017-03-14  Martin Sebor  <msebor@redhat.com>
3414         PR middle-end/80020
3415         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
3416         * builtins.def (aligned_alloc): Use it.
3418         PR c/79936
3419         * Makefile.in (GTFILES): Add calls.c.
3420         * calls.c: Include "gt-calls.h".
3422 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3424         PR rtl-optimization/79728
3425         * regs.h (struct target_regs): New field
3426         x_contains_allocatable_regs_of_mode.
3427         (contains_allocatable_regs_of_mode): New macro.
3428         * reginfo.c (init_reg_sets_1): Initialize it, and change
3429         contains_reg_of_mode so it includes global regs as well.
3430         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
3431         rather than contains_regs_of_mode.
3433 2017-03-14  Martin Liska  <mliska@suse.cz>
3435         * doc/invoke.texi: Document options that can't be combined with
3436         -fcheck-pointer-bounds.
3438 2017-03-14  Martin Liska  <mliska@suse.cz>
3440         PR middle-end/79831
3441         * doc/invoke.texi (-Wchkp): Document the option.
3443 2017-03-14  Martin Liska  <mliska@suse.cz>
3445         * Makefile.in: Install gcov-dump.
3447 2017-03-14  Martin Liska  <mliska@suse.cz>
3449         * multiple_target.c (expand_target_clones): Bail out for
3450         an invalid attribute.
3452 2017-03-14  Richard Biener  <rguenther@suse.de>
3454         * alias.c (struct alias_set_entry): Pack properly.
3455         * cfgloop.h (struct loop): Likewise.
3456         * cse.c (struct set): Likewise.
3457         * ipa-utils.c (struct searchc_env): Likewise.
3458         * loop-invariant.c (struct invariant): Likewise.
3459         * lra-remat.c (struct cand): Likewise.
3460         * recog.c (struct change_t): Likewise.
3461         * rtl.h (struct address_info): Likewise.
3462         * symbol-summary.h (function_summary): Likewise.
3463         * tree-loop-distribution.c (struct partition): Likewise.
3464         * tree-object-size.c (struct object_size_info): Likewise.
3465         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
3466         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
3467         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
3468         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
3469         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
3470         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
3471         (struct _stmt_vec_info): Likewise.
3473 2017-03-14  Martin Liska  <mliska@suse.cz>
3475         PR target/79892
3476         * multiple_target.c (create_dispatcher_calls): Check that
3477         a target can create a function dispatcher.
3479 2017-03-14  Martin Liska  <mliska@suse.cz>
3481         PR lto/66295
3482         * multiple_target.c (expand_target_clones): Drop local.local
3483         flag for default implementation.
3485 2017-03-14  Richard Biener  <rguenther@suse.de>
3487         PR tree-optimization/80030
3488         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
3490 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
3492         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
3493         gcc_fallthrough() instead of __attribute__((fallthrough));
3495 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
3497         * doc/gcc.texi: Remove "up" link to (DIR).
3498         * doc/gccint.texi: Ditto.
3500 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
3502         * doc/install.texi (Specific) <avr>: Remove reference to
3503         binutils 2.13.
3505 2017-03-13  Jeff Law  <law@redhat.com>
3507         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
3508         attribute rather than comments.
3510         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
3511         match_scratch operand is highest.
3513 2017-03-13  Martin Liska  <mliska@suse.cz>
3515         PR middle-end/78339
3516         * ipa-pure-const.c (warn_function_noreturn): If the declarations
3517         is a CHKP clone, use original declaration.
3519 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3521         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
3522         (arc_conditional_register_usage): Use a different allocation order
3523         when optimizing for size.
3524         * common/config/arc/arc-common.c (arc_option_optimization_table):
3525         Section anchors default on when optimizing for size.
3527 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3529         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
3531 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3533         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
3534         * config/arc/arc.md (cpu_facility): Add cd variant.
3535         (*movqi_insn): Add code density variant.
3536         (*movhi_insn): Likewise.
3537         (*movqi_insn): Likewise.
3538         (*addsi3_mixed): Likewise.
3539         (subsi3_insn): Likewise.
3541 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3543         * config/arc/arc.md (movsi_cond_exec): Update constraint.
3545 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3547         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
3548         expressions with MINUS and UNARY ops.
3550 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3552         PR target/79911
3553         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
3554         Rename to...
3555         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
3556         between vec_select and vector argument.
3557         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
3558         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
3559         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
3560         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
3561         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
3562         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
3564 2017-03-13  Richard Biener  <rguenther@suse.de>
3566         PR other/79991
3567         * params.def (vect-max-peeling-for-alignment): Fix typo.
3569 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3571         * doc/install.texi (Specific) <mips-*-*>: Remove description of
3572         issue that only occurred with binutils below 2.18.
3574 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3576         * doc/install.texi (Specific) <cris-axis-elf>: No longer
3577         refer to binutils 2.11/2.12 minimum.
3579 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3581         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
3582         ftp.kernel.org and simplify binutils requirement.
3584 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
3586         * doc/invoke.texi (Warning Options): Fix spelling of link-time
3587         optimization.
3588         (Optimize Options): Ditto.  Also remove redundancy.
3590 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3592         PR translation/79848
3593         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
3594         "%qs".
3595         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
3596         to G_ to avoid double translation.
3598 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3600         PR translation/79923
3601         * auto-profile.c (get_combined_location): Convert leading
3602         character of diagnostics to lower case and remove trailing period.
3603         (read_profile): Likewise for various diagnostics.
3604         * config/arm/arm.c (arm_option_override): Remove trailing period
3605         from various diagnostics.
3606         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
3607         (msp430_expand_delay_cycles): Likewise.
3609 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3611         PR target/79925
3612         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
3613         full command-line argument, rather than just "str".
3614         (aarch64_validate_march): Likewise.
3615         (aarch64_validate_mtune): Likewise.
3617 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
3619         PR rtl-optimization/78911
3620         * lra-assigns.c (must_not_spill_p): New function.
3621         (spill_for): Use it.
3623 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3625         PR tree-optimization/79981
3626         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
3627         ATOMIC_COMPARE_EXCHANGE ifn result.
3628         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
3629         IFN_ATOMIC_COMPARE_EXCHANGE.
3631 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3633         PR driver/79875
3634         * opts.c (parse_sanitizer_options): Add missing question mark to
3635         "did you mean" message.
3637 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3639         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
3640         built-in.
3641         (VMULEUH_UNS): Likewise.
3642         (VMULOUB_UNS): Likewise.
3643         (VMULOUH_UNS): Likewise.
3644         * config/rs6000/rs6000.c (builtin_function_type): Remove
3645         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
3647 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3649         PR bootstrap/79952
3650         * read-rtl-function.c (function_reader::read_rtx_operand): Update
3651         x with result of extra_parsing_for_operand_code_0.
3652         (function_reader::extra_parsing_for_operand_code_0): Convert
3653         return type from void to rtx, returning x.  When reading
3654         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
3655         larger size containing struct block_symbol.
3657 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
3659         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
3660         -mfloat128-hardware without -m64.
3662 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
3664         PR target/79941
3665         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
3666         entries to the case statement that marks unsigned arguments to
3667         overloaded functions.
3669 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3671         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
3672         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
3674 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
3676         PR target/79907
3677         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
3678         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
3680 2017-03-10  Martin Liska  <mliska@suse.cz>
3682         PR target/65705
3683         PR target/69804
3684         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
3685         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
3686         FIELD != NULL.
3688 2017-03-10  Olivier Hainque  <hainque@adacore.com>
3690         * tree-switch-conversion (array_value_type): Start by resetting
3691         candidate type to it's main variant.
3693 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3695         PR rtl-optimization/79909
3696         * combine.c (try_combine): Use simplify_replace_rtx on individual
3697         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
3698         of the whole CALL_INSN_FUNCTION_USAGE.
3700         PR tree-optimization/79972
3701         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
3702         get_range_info on SSA_NAMEs.  Formatting fixes.
3704 2017-03-10  Richard Biener  <rguenther@suse.de>
3705             Jakub Jelinek  <jakub@redhat.com>
3707         PR tree-optimization/77975
3708         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
3709         edge to be constant.
3710         (get_val_for): For constant x return it.  Formatting fix.
3711         (loop_niter_by_eval): Avoid pointless looping if the next iteration
3712         would use the same bases as the current one.
3714 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3716         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
3717         instead of vec_select for V1TImode.
3718         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
3719         longer needed.
3720         (VSX_LE_128): Add V1TI to this mode iterator.
3721         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
3722         (*vsx_le_perm_store_<mode>): Likewise.
3723         (pre-reload splitter for VSX stores): Likewise.
3724         (post-reload splitter for VSX stores): Likewise.
3725         (*vsx_xxpermdi2_le_<mode>): Likewise.
3726         (*vsx_lxvd2x2_le_<mode>): Likewise.
3727         (*vsx_stxvd2x2_le_<mode>): Likewise.
3729 2017-03-09  Michael Eager  <eager@eagercon.com>
3731         Correct failures with --enable-checking=yes,rtl.
3733         * config/microblaze/microblaze.c (microblaze_expand_shift):
3734         Replace GET_CODE test with CONST_INT_P and INTVAL test with
3735         test for const0_rtx.
3736         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
3737         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
3739 2017-03-09  Richard Biener  <rguenther@suse.de>
3741         PR tree-optimization/79977
3742         * graphite-scop-detection.c (scop_detection::merge_sese):
3743         Handle the case of extra exits to blocks dominating the entry.
3745 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
3747         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
3748         Document rdynamic.
3750 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
3752         PR rtl-optimization/79949
3753         * lra-constraints.c (process_alt_operands): Check memory when
3754         trying to predict a cycle.  Print about the overall increase.
3756 2017-03-09  Richard Biener  <rguenther@suse.de>
3758         PR middle-end/79971
3759         * gimple-expr.c (useless_type_conversion_p): Preserve
3760         TYPE_SATURATING for fixed-point types.
3762 2017-03-09  Richard Biener  <rguenther@suse.de>
3764         PR ipa/79970
3765         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
3766         alignment of BLKmode params.
3768 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3770         PR target/79913
3771         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
3772         (VALL_NO_V2Q): Likewise.
3773         (VDQF_DF): Delete.
3774         * config/aarch64/aarch64-simd.md
3775         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
3776         iterator.
3777         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
3778         VALL_NO_V2Q mode iterator.
3779         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
3781 2017-03-09  Martin Liska  <mliska@suse.cz>
3783         PR tree-optimization/79631
3784         * tree-chkp-opt.c (chkp_is_constant_addr): Call
3785         tree_int_cst_sign_bit just for INTEGER constants.
3787 2017-03-09  Martin Liska  <mliska@suse.cz>
3789         PR target/65705
3790         PR target/69804
3791         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
3792         sanitizers.
3794 2017-03-09  Marek Polacek  <polacek@redhat.com>
3796         PR c++/79672
3797         * tree.c (inchash::add_expr): Handle TREE_VEC.
3799 2017-03-09  Martin Liska  <mliska@suse.cz>
3801         PR ipa/79764
3802         (chkp_narrow_size_and_offset): New function.
3803         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
3804         (void chkp_parse_bit_field_ref): New function.
3805         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
3806         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
3808 2017-03-09  Martin Liska  <mliska@suse.cz>
3810         PR ipa/79761
3811         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
3812         (chkp_find_bounds_1): Remove gcc_unreachable.
3814 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
3816         PR sanitizer/79944
3817         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
3818         BUILT_IN_SYNC*, determine the access type from the size suffix and
3819         always build a MEM_REF with that type.  Handle forgotten
3820         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
3822         PR target/79932
3823         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
3824         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
3825         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
3826         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
3827         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
3828         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
3829         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
3830         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
3831         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
3832         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
3833         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
3834         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
3835         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
3836         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
3837         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
3838         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
3839         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
3840         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
3841         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
3842         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
3843         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
3844         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
3845         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
3846         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
3847         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
3848         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
3849         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
3850         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
3851         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
3852         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
3853         definitions outside of __OPTIMIZE__ guarded section.
3855         PR target/79932
3856         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
3857         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
3858         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
3859         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
3860         guarded section.
3862 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3864         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
3865         ("vfenez<mode>"): Add missing constraints.
3867 2017-03-08  Martin Sebor  <msebor@redhat.com>
3869         PR target/79928
3870         * config/nds32/nds32.c (nds32_option_override):
3871         Fix misspelled diagnostic.
3873 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3875         PR c/79940
3876         * gimplify.c (gimplify_omp_for): Replace index var in outer
3877         taskloop statement with an artificial variable and add
3878         OMP_CLAUSE_PRIVATE clause for it.
3880 2017-03-08  Richard Biener  <rguenther@suse.de>
3882         PR tree-optimization/79955
3883         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
3884         for accesses that are completely outside of the variable.
3886 2017-03-08  Andrew Haley  <aph@redhat.com>
3888         PR tree-optimization/79943
3889         * tree-ssa-loop-split.c (compute_new_first_bound): When
3890         calculating the new upper bound, (END-BEG) should be added, not
3891         subtracted.
3893 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3895         * config/avr/avr.md (setmemhi): Make sure match_dup
3896         operand number comes before match_scratch.
3898 2017-03-08  Richard Biener  <rguenther@suse.de>
3900         PR tree-optimization/79920
3901         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
3902         with ncopies == 1 to ...
3903         (vect_transform_slp_perm_load): ... here.  Properly compute
3904         all element loads by iterating VF times over the group.  Do
3905         not handle ncopies (computed in a broken way) in
3906         vect_create_mask_and_perm.
3908 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3910         PR sanitizer/79904
3911         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
3912         is a uniform vector, use uniform_vector_p return value instead of
3913         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
3915 2017-03-07  Marek Polacek  <polacek@redhat.com>
3917         PR middle-end/79809
3918         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
3919         (alloca_call_type): Likewise.
3921 2017-03-07  Martin Liska  <mliska@suse.cz>
3923         * gcov.c (process_args): Put comment to correct location.
3925 2017-03-07  Martin Liska  <mliska@suse.cz>
3927         PR middle-end/68270
3928         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
3929         Use array_at_struct_end_p instead of DECL_CHAIN (field).
3930         (chkp_narrow_bounds_for_field): Likewise.
3931         (chkp_parse_array_and_component_ref): Pass one more argument to
3932         call.
3934 2017-03-07  Richard Biener  <rguenther@suse.de>
3936         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
3937         preheaders.
3939 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
3941         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
3942         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
3944 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3946         PR c/79855
3947         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
3948         to end of description.
3949         (PARAM_MAX_STORES_TO_MERGE): Likewise.
3951 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
3953         PR rtl-optimization/79901
3954         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
3955         ...
3956         (*avx512f_<code><mode>3<mask_name>): ... this.
3957         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
3958         iterator instead of VI8_AVX2_AVX512BW.
3960         PR rtl-optimization/79901
3961         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
3962         min/max expander, expand it using expand_vec_cond_expr.
3964         PR sanitizer/79897
3965         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
3966         temporary.
3968 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
3970         PR c++/79821
3971         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
3972         to void * for PCH reasons.
3973         * dwarf2out.c (output_loc_operands, output_die): Cast
3974         v.val_vec.array to unsigned char *.
3976 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
3978         PR target/77850
3979         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
3980         vector types.
3982 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
3984         PR rtl-optimization/79571
3985         * lra-constraints.c (process_alt_operands): Calculate static
3986         reject and subtract it from overall when only addresses will be
3987         reloaded.
3989 2017-03-06  Julia Koval  <julia.koval@intel.com>
3991         PR target/79793
3992         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
3993         incoming stack boundary to 128 for 64-bit targets.
3995 2017-03-06  Richard Biener  <rguenther@suse.de>
3997         PR tree-optimization/79894
3998         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
3999         to NULL after folding it.
4001 2017-03-06  Richard Biener  <rguenther@suse.de>
4003         PR tree-optimization/79824
4004         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
4005         check disabling peeling for gaps.
4007 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
4009         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
4010         attributes): Document gettimeofday.
4012 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
4014         * config/s390/s390.c (s390_option_override_internal): Set
4015         PARAM_MIN_VECT_LOOP_BOUND
4017 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
4019         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
4020         * config/s390/s390.md: Likewise.
4022 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
4024         PR target/79812
4025         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
4026         (<avx2_avx512>_perm<mode>): Rename to ...
4027         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
4028         of VI8F_256_512.
4029         (<avx512>_perm<mode>_mask): Rename to ...
4030         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
4031         of VI8F_256_512.
4032         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
4033         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
4034         instead of VI8F_256_512.
4035         (avx512f_perm<mode>): New define_expand.
4036         (avx512f_perm<mode>_mask): Likewise.
4037         (avx512f_perm<mode>_1<mask_name>): New define_insn.
4038         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
4040 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
4042         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
4043         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
4044         if_then_else.
4045         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
4047 2017-03-06  Martin Liska  <mliska@suse.cz>
4049         PR sanitize/79783
4050         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
4051         when having a SSA NAME w/o VAR_DECL assigned to it.
4053 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
4055         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
4056         msa_dpsub_<su>_d): Fix MODE for vec_select.
4058 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
4060         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
4061         argument.
4062         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
4064 2017-03-06  Richard Biener  <rguenther@suse.de>
4066         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
4067         * plugin.c (register_plugin_info): Likewise.
4068         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
4070 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
4072         * config/i386/sse.md (sse_storehps, sse_storelps,
4073         avx_<castmode><avxsizesuffix>_<castmode>,
4074         avx512f_<castmode><avxsizesuffix>_<castmode>,
4075         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
4076         in condition that at least one operand is not a MEM.
4078 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
4080         PR middle-end/79805
4081         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
4082         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
4083         ECF_NOTHROW.
4084         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
4085         gimple_call_nothrow_p flag based on whether original builtin can throw.
4086         If it can, emit following stmts on the fallthrough edge.
4087         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
4088         don't create new bb if inserting just debug stmts on the edge, try to
4089         insert them on the fallthru bb or just reset debug stmts.
4091 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
4093         PR target/43763
4094         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
4095         restore recog_data (including the operand rtxes inside it) around
4096         the call to get_insn_template.
4098 2017-03-03  Martin Sebor  <msebor@redhat.com>
4100         PR tree-optimization/79699
4101         * context.c (context::~context): Free MPFR caches to avoid
4102         a memory leak on program exit.
4104 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4106         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
4107         Use wide_int::ulow () instead of .elt (0).
4109 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
4111         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
4112         (*pushxf): Limit oF constraint to 32bit targets and add oC
4113         constraint for 64bit targets.
4114         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
4115         (*pushdf): Change rmF constraint to rmC.
4117 2017-03-03  Martin Liska  <mliska@suse.cz>
4119         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
4120         Remove unused variable.
4122 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
4124         PR target/79807
4125         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
4126         is a memory operand, increase num_memory.
4127         (ix86_expand_args_builtin): Likewise.
4129 2017-03-03  Jan Hubicka  <jh@suse.cz>
4131         PR lto/79760
4132         * ipa-devirt.c (maybe_record_node): Properly handle
4133         __cxa_pure_virtual visibility.
4135 2017-03-03  Martin Liska  <mliska@suse.cz>
4137         PR tree-optimization/79803
4138         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
4139         assert.
4140         (pass_loop_prefetch::execute): Disabled optimization if an
4141         assumption about L1 cache size is not met.
4143 2017-03-03  Martin Liska  <mliska@suse.cz>
4145         PR rtl-optimization/79574
4146         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
4147         (hash_scan_set): Likewise.
4148         (dump_hash_table): Likewise.
4149         (hoist_code): Likewise.
4151 2017-03-03  Richard Biener  <rguenther@suse.de>
4153         * fixed-value.c (fixed_from_string): Restore use of elt (1)
4154         in place of uhigh ().
4155         (fixed_convert_from_real): Likewise.
4157 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
4159         PR target/79514
4160         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
4162 2017-03-03  Richard Biener  <rguenther@suse.de>
4164         PR middle-end/79818
4165         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
4166         TYPE_OVERFLOW_UNDEFINED check.
4168 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4170         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
4171         numbers.
4172         (vector_ae_<mode>_p): Likewise.
4173         (vector_nez_<mode>_p): Likewise.
4174         (vector_ne_v2di_p): Likewise.
4175         (vector_ae_v2di_p): Likewise.
4176         (vector_ne_<mode>_p): Likewise.
4177         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
4178         numbers.
4179         (vsx_tsqrt<mode>2_fe): Likewise.
4181 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
4183         PR target/79514
4184         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
4186 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
4188         PR rtl-optimization/79780
4189         * cprop.c (one_cprop_pass): When second and further conditional trap
4190         in a single basic block is turned into an unconditional trap, turn it
4191         into a deleted note to avoid RTL verification failures.
4193 2017-03-02  Richard Biener  <rguenther@suse.de>
4195         * fold-const.c (const_binop): Use ulow () instead of elt (0).
4197 2017-03-02  Richard Biener  <rguenther@suse.de>
4199         PR tree-optimization/79345
4200         PR c++/42000
4201         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
4202         param and abort the walk, returning -1 if it is hit.
4203         (walk_aliased_vdefs): Take a limit param and pass it on.
4204         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
4205         defaulting to 0 and return a signed int.
4206         * tree-ssa-uninit.c (struct check_defs_data): New struct.
4207         (check_defs): New helper.
4208         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
4209         about uninitialized memory.
4210         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
4211         bogus uninitialized warning.
4212         (fixed_convert_from_real): Likewise.
4214 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
4216         PR tree-optimization/66768
4217         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
4218         iv_use if base object can't be determined.
4220 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
4222         PR tree-optimization/79345
4223         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
4224         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
4225         (get_pattern_stats): Initialize it.
4226         * genemit.c (gen_expand): Verify match_scratch numbers come after
4227         match_operand/match_dup numbers.
4228         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
4229         match_scratch numbers.
4230         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
4231         Likewise.
4232         * config/s390/s390.md (trunctdsd2): Likewise.
4234 2017-03-02  Richard Biener  <rguenther@suse.de>
4236         * wide-int.h (wide_int_storage::operator=): Implement in terms
4237         of wi::copy.
4239 2017-03-02  Richard Biener  <rguenther@suse.de>
4241         PR tree-optimization/79777
4242         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
4243         the to insert expression to sth existing.
4245 2017-03-01  Martin Sebor  <msebor@redhat.com>
4247         PR middle-end/79692
4248         * gimple-ssa-sprintf.c
4249         (directive::known_width_and_precision): New function.
4250         (format_integer): Use it.
4251         (get_mpfr_format_length): Consider the full range of precision
4252         when computing %g output with the # flag.  Set the likely byte
4253         count to 3 rather than 1 when precision is indeterminate.
4254         (format_floating): Correct the lower bound of precision.
4256 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4258         * doc/invoke.texi: Document default code model for 64-bit Linux.
4260 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4262         PR target/79752
4263         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
4264         udiv rather than div since input pattern is unsigned.
4266 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
4268         * config/i386/i386.c (print_reg): Warn for values of
4269         unsupported size in integer register.
4271 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
4273         PR target/79439
4274         * config/rs6000/predicates.md (current_file_function_operand): Do
4275         not allow self calls to be local if the function is replaceable.
4277 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4279         PR target/79395
4280         * config/rs6000/altivec.h (vec_ctz and others): Change the
4281         preprocessor macro that controls conditional compilation from
4282         _ARCH_PWR9 to __POWER9_VECTOR__.
4283         (vec_all_ne): Change parameterization of __altivec_scalar_pred
4284         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
4285         control (instead of _ARCH_PWR9 control) so that template
4286         definition uses power9-specific function.
4287         (vec_any_eq): Likewise.
4288         (vec_all_ne): Change macro definition to use a power9-specific
4289         expansion under #ifdef __POWER9_VECTOR__ control (instead of
4290         _ARCH_PWR9 control).
4291         (vec_any_eq) Likewise.
4292         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
4293         expansion for CMPNEF to remove support for xvcmpnesp instruction.
4294         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
4295         support for xvcmpnedp instruction.
4296         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
4297         macro expansion so that Power9 implementation of vec_all_ne does
4298         not use the AltiVec predicate framework.
4299         (VCMPNEH_P): Likewise.
4300         (VCMPNEW_P): Likewise.
4301         (VCMPNED_P): Likewise.
4302         (VCMPNEFP_P): Likewise.
4303         (VCMPNEDP_P): Likewise.
4304         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
4305         implementation of vec_any_eq to not use AltiVec predicate
4306         framework.
4307         (VCMPAEH_P): Likewise.
4308         (VCMPAEW_P): Likewise.
4309         (VCMPAED_P): Likewise.
4310         (VCMPAEFP_P): Likewise.
4311         (VCMPAEDP_P): Likewise.
4312         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
4313         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
4314         not use the AltiVec predicate framework.
4315         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
4316         of vec_any_eq to not use AltiVec predicate framework.
4317         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
4318         support for predefined __POWER9_VECTOR__ macro to indicate that
4319         Power9 instruction selection is enabled.
4320         (altivec_overloaded_builtins): Remove extraneous
4321         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
4322         function argument types RS6000_BTI_bool_V16QI and
4323         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
4324         entry for overloaded function argument types RS6000_BTI_bool_V4SI
4325         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
4326         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
4327         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
4328         Power9 for implementations of vec_cmpne.  Change the signature for
4329         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
4330         (representing vec_all_ne) to remove the previously described first
4331         argument of type RS6000_BTI_INTSI, as this was an artifact of
4332         reliance on the AltiVec predicate framework, which is no longer
4333         used in the implementation of these functions.  Add
4334         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
4335         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
4336         since, unlike the AltiVec predicate framework implementation, we
4337         do not share function descriptors between vec_alle and vec_anyeq.
4338         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
4339         set of modes that receive special treatment even when
4340         TARGET_P9_VECTOR is true.  The special treatment emits code that
4341         does not depend on Power9 instructions.
4342         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
4343         define_expand to not rely on AltiVec predicate framework.
4344         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
4345         function.
4346         (vector_ne_v2di_p): Change this define_expand to not rely on
4347         AltiVec predicate framework.
4348         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
4349         function.
4350         (vector_ne_<mode>_p): Change this define_expand to not rely on
4351         AltiVec predicate framework.
4352         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
4353         function.
4354         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
4355         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
4356         define_insn pattern.
4357         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
4358         define_insn pattern because the xvcmpne<VSs>. instruction is not
4359         supported.
4360         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
4361         instruction is not supported.
4363 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4365         * config/nvptx/nvptx.c: Include intl.h.
4367 2017-03-01  Martin Jambor  <mjambor@suse.cz>
4369         PR lto/78140
4370         * ipa-prop.h (ipa_bits): Removed field known.
4371         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
4372         to pointers.  Adjusted their comments to warn about their sharing.
4373         (ipcp_transformation_summary): Change bits to a vector of pointers.
4374         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
4375         (ipa_get_ipa_bits_for_value): Declare.
4376         * tree-vrp.h (value_range): Mark as GTY((for_user)).
4377         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
4378         (ipa_bits_hash_table): Likewise.
4379         (ipa_vr_ggc_hash_traits): Likewise.
4380         (ipa_vr_hash_table): Likewise.
4381         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
4382         being pointers and vr_known being removed.
4383         (ipa_set_jf_unknown): Likewise.
4384         (ipa_get_ipa_bits_for_value): New function.
4385         (ipa_set_jfunc_bits): Likewise.
4386         (ipa_get_value_range): New overloaded functions.
4387         (ipa_set_jfunc_vr): Likewise.
4388         (ipa_compute_jump_functions_for_edge): Use the above functions to
4389         construct bits and vr parts of jump functions.
4390         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
4391         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
4392         exist.
4393         (ipcp_grow_transformations_if_necessary): Also allocate
4394         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
4395         exist.
4396         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
4397         them.  Fix too long lines.
4398         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
4399         vr_known being removed.
4400         (ipa_read_jump_function): Use new setter functions to construct bits
4401         and vr parts of jump functions or set them to NULL.
4402         (write_ipcp_transformation_info): Adjust for bits being pointers.
4403         (read_ipcp_transformation_info): Likewise.
4404         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
4405         space.
4406         Include gt-ipa-prop.h.
4407         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
4408         being pointers.
4409         (ipcp_store_bits_results): Likewise.
4410         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
4411         Do not write to existing jump functions but use a temporary instead.
4413 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4415         PR c++/79681
4416         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
4417         attempt to use its first operand as BIT_FIELD_REF base.
4419 2017-03-01  Richard Biener  <rguenther@suse.de>
4421         PR middle-end/79721
4422         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
4423         interpolating formula in wrapping arithmetic.
4424         (chrec_apply): Convert chrec_evaluate return value to wanted type.
4426 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4428         PR tree-optimization/79734
4429         * tree-vect-generic.c (expand_vector_condition): Optimize
4430         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
4431         Handle VEC_COND_EXPR where comparison has different inner width from
4432         type's inner width.
4434 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4436         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
4437         markup, and similar issues.  Remove @opindex entries for things
4438         that aren't options.  Add missing -mmpy-option entries.
4440 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
4442         PR tree-optimization/79737
4443         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
4444         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
4445         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
4446         instead of byte_size.  Formatting fix.
4447         (shift_bytes_in_array_right): Formatting fix.
4449 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4451         PR target/79749
4452         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
4453         condition on optimize for the leaf function test.
4455 2017-02-28  Martin Liska  <mliska@suse.cz>
4457         PR lto/79625
4458         * read-rtl-function.c (function_reader::handle_unknown_directive):
4459         Bail out when one uses -flto.
4461 2017-02-28  Martin Liska  <mliska@suse.cz>
4463         * common.opt: Replace space with tabular for options of <number>
4464         type.
4465         * config/i386/i386.opt: Show <number> value for
4466         -mlarge-data-threshold.
4467         * opts.c (print_filtered_help): Do not display number in hexadecimal
4468         format.
4470 2017-02-28  Martin Liska  <mliska@suse.cz>
4472         * common.opt: Fix --help=option -Q for options which are of
4473         an enum type.
4475 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
4477         * config/i386/i386.c (print_reg): Error out for values
4478         of 8-bit size in invalid integer register.
4480 2017-02-28  Martin Sebor  <msebor@redhat.com>
4482         PR tree-optimization/79691
4483         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
4485 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
4487         PR target/79729
4488         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
4489         gcc_unreachable with output_operand_lossage.
4491 2017-02-28  Richard Biener  <rguenther@suse.de>
4493         PR tree-optimization/79740
4494         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
4495         inserts.
4496         (visit_nary_op): Insert the nary into the hashtable if we
4497         pattern-matched sth.
4498         * tree-ssa-pre.c (eliminate_insert): Robustify.
4500 2017-02-28  Richard Biener  <rguenther@suse.de>
4502         PR middle-end/79731
4503         * fold-const.c (decode_field_reference): Reject out-of-bound
4504         accesses.
4506 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
4508         * config/i386/i386.c: Include intl.h.
4509         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
4510         instead of just cond ? "..." : "...".
4511         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
4512         * coverage.c (read_counts_file): Likewise.
4513         * omp-offload.c: Include intl.h.
4514         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
4515         of just cond ? "..." : "...".
4516         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
4517         of just cond ? "..." : "...".
4519 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
4521         PR target/79742
4522         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
4523         entry, if present.
4524         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
4525         'tune for' CPU name.
4526         * config/arm/arm-cpu-data.h: Regenerated.
4528 2017-02-28  Richard Biener  <rguenther@suse.de>
4530         PR tree-optimization/79732
4531         * tree-inline.c (expand_call_inline): Do not shadow var.
4533 2017-02-28  Richard Biener  <rguenther@suse.de>
4535         PR tree-optimization/79723
4536         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
4537         address-space properly.
4539 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
4541         * doc/optinfo.texi (Optimization groups): Fix option used for
4542         OPTGROUP_ALL.
4543         * doc/invoke.texi (-fopt-info): Document "omp".
4544         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
4545         (OPTGROUP_ALL): Add OPTGROUP_OMP.
4546         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
4547         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
4548         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
4550         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
4551         all users.
4552         * dumpfile.c (optgroup_options): Instead of "openmp", associate
4553         OPTGROUP_OMP with "omp".
4555 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
4557         PR target/79544
4558         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
4559         for arithmetic shift of unsigned V2DI.
4561 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
4563         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
4564         arc/linux.h headers.
4565         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
4566         (LINK_SPEC): Likewise.
4567         (ARC_TLS_EXTRA_START_SPEC): Likewise.
4568         (EXTRA_SPECS): Likewise.
4569         (STARTFILE_SPEC): Likewise.
4570         (ENDFILE_SPEC): Likewise.
4571         (LIB_SPEC): Likewise.
4572         (TARGET_SDATA_DEFAULT): Likewise.
4573         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
4574         (MULTILIB_DEFAULTS): Likewise.
4575         (DWARF2_UNWIND_INFO): Likewise.
4576         * config/arc/big.h: New file.
4577         * config/arc/elf.h: Likewise.
4578         * config/arc/linux.h: Likewise.
4579         * config/arc/t-uClibc: Remove.
4581 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
4583         PR tree-optimization/77536
4584         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
4585         (tree_transform_and_unroll_loop): Use above function to compute the
4586         estimated niter of unrolled loop and use it when scaling profile.
4587         Also use count info rather than frequency if it's non-zero.
4588         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
4589         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
4590         (vect_transform_loop): Call above function.
4592 2017-02-27  Richard Biener  <rguenther@suse.de>
4594         PR tree-optimization/45397
4595         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
4596         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
4597         (visit_nary_op): Add pattern matching for CSEing sign-changed
4598         or truncated operations with wider ones.
4600 2017-02-27  Richard Biener  <rguenther@suse.de>
4602         PR tree-optimization/79690
4603         * tree-vect-stmts.c (vectorizable_store): Use vector type
4604         built from the DR with address-space.
4606 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
4608         * doc/invoke.texi (Optimize Options): Refine the description
4609         of asan-use-after-return.
4611 2017-02-25  Alan Modra  <amodra@gmail.com>
4613         PR rtl-optimization/79584
4614         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
4615         base, not ad->base_term, the reg within base.  Remove assertion
4616         that ad->base == ad->base_term.  Replace gen_int_mode using
4617         bogus mode with const0_rtx.
4619 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
4621         PR middle-end/79396
4622         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
4623         FMA_EXPR like tcc_binary or tcc_unary.
4625         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
4627         PR debug/77589
4628         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
4629         bitfield.
4630         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
4631         (output_loc_operands): Handle DW_OP_call_ref and
4632         DW_OP_GNU_variable_value.
4633         (struct variable_value_struct): New type.
4634         (struct variable_value_hasher): Likewise.
4635         (variable_value_hash): New variable.
4636         (string_types): Remove.
4637         (copy_loc_descr): New function.
4638         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
4639         (prepend_loc_descr_to_each): New function.
4640         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
4641         instead of add_loc_descr_to_each if the first argument is single
4642         location list and the second has multiple.
4643         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
4644         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
4645         when looking for variable value which doesn't have other location info.
4646         (loc_list_from_tree): Formatting fix.
4647         (gen_array_type_die): Simplify DW_AT_string_length handling.
4648         (adjust_string_types): Remove.
4649         (gen_subprogram_die): Don't call adjust_string_types nor test/set
4650         string_types.  Call resolve_variable_values.
4651         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
4652         (resolve_addr_in_expr): Likewise.  Add A argument.
4653         (copy_deref_exprloc): Remove deref argument.  Adjust for the
4654         original expression being DW_OP_GNU_variable_value with optionally
4655         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
4656         optionally after it.
4657         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
4658         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
4659         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
4660         (variable_value_hasher::hash, variable_value_hasher::equal): New
4661         methods.
4662         (resolve_variable_value_in_expr, resolve_variable_value,
4663         resolve_variable_values, note_variable_value_in_expr,
4664         note_variable_value): New functions.
4665         (dwarf2out_early_finish): Call note_variable_value on all toplevel
4666         DIEs.
4668 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
4670         PR c/79677
4671         * opts.h (handle_generated_option): Add GENERATED_P argument.
4672         * opts-common.c (handle_option): Adjust function comment.
4673         (handle_generated_option): Add GENERATED_P argument, pass it to
4674         handle_option.
4675         (control_warning_option): Pass false to handle_generated_option
4676         GENERATED_P.
4677         * opts.c (maybe_default_option): Pass true to handle_generated_option
4678         GENERATED_P.
4679         * optc-gen.awk: Likewise.
4681 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4683         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
4684         a REG, look at the REG it is a SUBREG of.
4685         (splitter for cmpeqsi_t): Ditto.
4687 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4689         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
4690         the special USEs with the pattern of the insn, not the insn itself.
4692 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
4694         PR target/79473
4695         * doc/invoke.texi: Document -mload-store-pairs.
4697 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4698             Sandra Loosemore  <sandra@codesourcery.com>
4700         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
4701         argument isn't a CONST_INT.
4702         (nios2_alternate_compare_const): Assert op is a CONST_INT.
4703         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
4704         (nios2_validate_compare): Bypass alternate compare logic if *op2
4705         is not a CONST_INT.
4706         (ldstwm_operation_p): Return false if first_base is not a REG or
4707         if first_offset is not a CONST_INT.
4709 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4711         * config/cris/cris.md: Use correct operand in a define_peephole2.
4713 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4715         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
4717 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4719         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
4720         this_insn if it is an INSN or JUMP_INSN.
4721         (force_offsettable): Look at base, not at addr.
4722         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
4723         on things that aren't necessarily CONST_INTs.
4725 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
4727         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
4728         -mfpmath=sse is the default also for x86-32 targets with SSE2
4729         instruction set when @option{-ffast-math} is enabled
4731 2017-02-24  Jeff Law  <law@redhat.com>
4733         PR rtl-optimizatoin/79286
4734         * ira.c (update_equiv_regs): Drop may_trap_p exception to
4735         dominance test.
4737 2017-02-24  Richard Biener  <rguenther@suse.de>
4739         PR tree-optimization/79389
4740         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
4741         debug insns.
4743 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
4745         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
4746         function comment to reflect reality.
4747         (loop_exits_before_overflow): Fix typo in function description.
4749 2017-02-24  Richard Biener  <rguenther@suse.de>
4751         PR tree-optimization/79389
4752         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
4753         properly that a threading opportunity exists.  Detect conditional
4754         copy/constant propagation opportunities.
4756 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
4758         * config/visium/visium.md (type): Add trap.
4759         (b): New mode attribute.
4760         (*btst): Rename into...
4761         (*btst<mode>): ...this and adjust.
4762         (*cbranchsi4_btst_insn): Rename into...
4763         (*cbranch<mode>4_btst_insn): ...this and adjust.
4764         (trap): New define_insn.
4766 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
4768         PR tree-optimization/79389
4769         * ifcvt.c (struct noce_if_info): Add rev_cond field.
4770         (noce_reversed_cond_code): New function.
4771         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
4772         reversed_comparison_code.  Formatting fix.
4773         (noce_try_store_flag): Test rev_cond != NULL in addition to
4774         reversed_comparison_code.
4775         (noce_try_store_flag_constants): Likewise.
4776         (noce_try_store_flag_mask): Likewise.
4777         (noce_try_addcc): Use rev_cond if non-NULL instead of
4778         reversed_comparison_code.
4779         (noce_try_cmove_arith): Likewise.  Formatting fixes.
4780         (noce_try_minmax, noce_try_abs): Clear rev_cond.
4781         (noce_find_if_block): Initialize rev_cond.
4782         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
4783         instead of false as last argument never attempt to reverse it
4784         afterwards.
4786 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
4788         PR tree-optimization/79663
4789         * tree-predcom.c (combine_chains): Process refs in reverse order
4790         only for ZERO length chains, and add explaining comment.
4792 2017-02-23  Jeff Law  <law@redhat.com>
4794         PR tree-optimization/79578
4795         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
4796         in call to operand_equal_p.
4798 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
4800         PR target/71017
4801         * config/i386/cpuid.h: Fix another undefined behavior.
4803 2017-02-23  Richard Biener  <rguenther@suse.de>
4805         PR tree-optimization/79683
4806         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
4807         vector types for data-refs.
4809 2017-02-23  Martin Liska  <mliska@suse.cz>
4811         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
4813 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
4815         PR middle-end/79665
4816         * internal-fn.c (get_range_pos_neg): Moved to ...
4817         * tree.c (get_range_pos_neg): ... here.  No longer static.
4818         * tree.h (get_range_pos_neg): New prototype.
4819         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
4820         are known to be in between 0 and signed maximum inclusive, try to
4821         expand both unsigned and signed divmod and use the cheaper one from
4822         those.
4824 2017-02-22  Jeff Law  <law@redhat.com>
4826         PR tree-optimization/79578
4827         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
4828         to compare base operands.
4830 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
4832         PR target/79211
4833         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
4834         gpc_reg_operand instead of fpr_reg_operand.
4836 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
4838         * config/mips/mips.c (mips_return_in_memory): Force FP
4839         vector types to be returned in memory for o32 ABI.
4841 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
4843         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
4844         instead of DW_TAG_member for static data member declarations and don't
4845         set no_linkage_name for static inline data members.
4846         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
4847         to DW_TAG_member.
4849 2017-02-22  Martin Liska  <mliska@suse.cz>
4851         * doc/invoke.texi: Replace inequality signs with square brackets
4852         for -Wnormalized.
4854 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4856         PR tree-optimization/68644
4857         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
4859 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
4861         PR target/78660
4862         * lra-constraints.c (simplify_operand_subreg): Handle
4863         WORD_REGISTER_OPERATIONS targets.
4865 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
4867         PR target/70465
4868         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
4869         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
4870         elimination by swapping fld*.
4872 2017-02-22  Richard Biener  <rguenther@suse.de>
4874         PR tree-optimization/79673
4875         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
4876         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
4877         irrelevant address-space qualifiers and avoiding a
4878         ADDR_SPACE_CONVERT_EXPR from fold_convert.
4880 2017-02-22  Richard Biener  <rguenther@suse.de>
4882         PR tree-optimization/79666
4883         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
4884         to not symbolically negate if that may introduce undefined
4885         overflow.
4887 2017-02-22  Martin Liska  <mliska@suse.cz>
4889         PR lto/79587
4890         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
4891         * data-streamer-out.c (streamer_write_gcov_count_stream):
4892         Likewise.
4893         * value-prof.c (stream_out_histogram_value): Make assert more
4894         precise based on type of counter.
4896 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
4898         PR target/79593
4899         * config/i386/i386.md (standard_x87sse_constant_load splitter):
4900         Use nonimmediate_operand instead of memory_operand for operand 1.
4901         (float-extend standard_x87sse_constant_load splitter): Ditto.
4903 2017-02-21 Jeff Law  <law@redhat.com>
4905         PR tree-optimization/79621
4906         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
4907         blocks with edges to themselves.
4909 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4911         PR target/79633
4912         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
4913         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
4914         Use gimple_call_builtin_p.
4916         PR target/79570
4917         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
4918         on temporarily removed DEBUG_INSNs.
4920         PR tree-optimization/79649
4921         * tree-loop-distribution.c (classify_partition): Give up on
4922         non-generic address space loads/stores.
4924 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
4926         * doc/loop.texi (Loop manipulation): Remove nonexistent
4927         tree_ssa_loop_version from the documentation.
4928         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
4930 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4932         PR target/79494
4933         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
4934         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
4935         * config/rs6000/rs6000.c: Include except.h.
4936         (rs6000_expand_split_stack_prologue): Call
4937         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
4939 2017-02-21  Martin Jambor  <mjambor@suse.cz>
4941         PR lto/79579
4942         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
4943         have been analyzed.
4945 2017-02-21  Martin Jambor  <mjambor@suse.cz>
4947         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
4948         for backward compatibility only.
4949         * doc/invoke.texi (Option Summary): Remove all references to
4950         -fipa-cp-alignment.
4952 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
4954         PR target/78660
4955         Revert:
4956         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4958         * lra-constraints.c (curr_insn_transform): Handle
4959         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
4961 2017-02-21  Martin Liska  <mliska@suse.cz>
4963         * config/i386/i386.opt: Replace -masm-dialect with -masm.
4965 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
4967         PR translation/79638
4968         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
4970 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
4972         PR ada/67205
4973         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
4974         (arm_function_ok_for_sibcall): Return false for an indirect call by
4975         descriptor if all the argument registers are used.
4976         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
4977         alignment of the function.
4979 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4981         PR tree-optimization/61441
4982         * simplify-rtx.c (simplify_const_unary_operation): For
4983         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
4984         the sNaN unmodified.
4986 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4988         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
4989         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
4990         instead of SYSTEM_HEADER_DIR.
4992 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
4993             Martin LiÅ¡ka  <mliska@suse.cz>
4995         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
4996         Fix typos and grammar, use active voice, and clarify.
4998 2017-02-20  Marek Polacek  <polacek@redhat.com>
5000         PR middle-end/79537
5001         * gimplify.c (gimplify_expr): Handle unused *&&L;.
5003         PR sanitizer/79558
5004         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
5006 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
5008         PR target/79568
5009         * config/i386/i386.c (ix86_expand_builtin): Handle
5010         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
5011         ix86_builtins_isa[fcode].isa as a requirement of those
5012         flags and any other flag in the bitmask.
5013         (ix86_init_mmx_sse_builtins): Use 0 instead of
5014         ~OPTION_MASK_ISA_64BIT as mask.
5015         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
5016         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
5017         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
5018         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
5020 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5022         PR target/78012
5023         * lra-constraints.c (split_reg): Check requested split mode
5024         is supported by the register.
5026 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5028         * lra-constraints.c (simplify_operand_subreg): Remove early
5029         return false.
5031 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5033         PR target/78660
5034         * lra-constraints.c (curr_insn_transform): Tighten condition
5035         for converting SUBREG reloads from OP_OUT to OP_INOUT.
5037 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5039         PR target/78660
5040         * lra-constraints.c (curr_insn_transform): Handle
5041         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
5043 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
5045         Revert:
5046         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
5048         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
5050 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
5052         PR c++/69523
5053         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
5054         description.
5056 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5058         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
5059         for FMA_EXPR.
5061 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
5063         * final.c (last_columnnum, override_columnnum): New variables.
5064         (final_start_function): Set last_columnnum, pass it to begin_prologue
5065         hook and pass 0 to dwarf2out_begin_prologue.
5066         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
5067         to source_line debug hook.
5068         (notice_source_line): Compute last_columnnum and for debug_column_info
5069         return true on column changes.
5070         * debug.h (struct gcc_debug_hooks): Add column argument to
5071         source_line and begin_prologue hooks.
5072         (debug_nothing_int_charstar_int_bool): Remove prototype.
5073         (debug_nothing_int_int_charstar,
5074         debug_nothing_int_int_charstar_int_bool): New prototypes.
5075         (dwarf2out_begin_prologue): Add column argument.
5076         * debug.c (do_nothing_debug_hooks): Adjust source_line and
5077         begin_prologue hooks.
5078         (debug_nothing_int_charstar_int_bool): Remove.
5079         (debug_nothing_int_int_charstar,
5080         debug_nothing_int_int_charstar_int_bool): New functions.
5081         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
5082         through to dwarf2out_source_line.
5083         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
5084         (dwarf2out_source_line): Add column argument, emit it if requested.
5085         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
5086         arguments.
5087         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
5088         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
5089         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
5090         through to dwarf2out_begin_prologue.
5091         (vmsdbgout_source_line): Add column argument, pass it through to
5092         dwarf2out_source_line.
5093         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
5094         dbxout_source_line caller.
5095         (dbxout_source_line): Add column argument.
5097         * common.opt (gno-column-info, gcolumn-info): New options.
5098         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
5099         (check_die): Also test for multiple DW_AT_decl_column attributes.
5100         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
5101         DW_AT_decl_column if requested.
5102         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
5103         if requested.
5104         (gen_variable_die): Likewise.
5105         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
5106         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
5108         PR target/79569
5109         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
5110         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
5111         (ix86_handle_option): Handle OPT_m3dnowa.
5112         * doc/invoke.texi (-m3dnowa): Document.
5113         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
5114         -m3dnowa instead of -m3dnow -march=athlon.
5116         PR target/79559
5117         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
5118         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
5120 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5122         PR target/79261
5123         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
5124         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
5125         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
5126         generator for vsx_xxpermdi_<mode>_be.
5127         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
5128         force big-endian semantics.
5129         (vsx_xxpermdi_<mode>_be): New define_expand with same
5130         implementation as previous version of vsx_xxpermdi_<mode>.
5132 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
5134         PR tree-optimization/79327
5135         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
5136         variable, its initialization and use.
5138 2017-02-17  Julia Koval  <julia.koval@intel.com>
5140         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
5141         (OPTION_MASK_ISA_PKU_UNSET): New.
5142         (ix86_handle_option): Handle -mrdpid.
5143         * config/i386/cpuid.h (bit_RDPID): New.
5144         * config/i386/driver-i386.c (host_detect_local_cpu):
5145         Detect RDPID feature.
5146         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
5147         * config/i386/i386-c.c (ix86_target_macros_internal):
5148         Handle RDPID flag.
5149         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
5150         (ix86_valid_target_attribute_inner_p): Add "rdpid".
5151         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
5152         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
5153         * config/i386/i386.md (define_insn "rdpid"): New.
5154         * config/i386/i386.opt Add -mrdpid.
5155         * config/i386/immintrin.h (_rdpid_u32): New.
5157 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
5159         PR rtl-optimization/79541
5160         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
5161         instead of transforming it into USE.
5163 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
5165         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
5166         If HONOR_SNANS (SFmode) force the input to a register.
5167         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
5168         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
5169         an frsp or similar insn.
5171 2017-02-17  Martin Liska  <mliska@suse.cz>
5173         PR rtl-optimization/79577
5174         * params.def (selsched-max-sched-times): Increase minimum to 1.
5176 2017-02-17  Martin Liska  <mliska@suse.cz>
5178         PR rtl-optimization/79574
5179         * gcse.c (want_to_gcse_p): Prevent integer overflow.
5181 2017-02-17  Martin Liska  <mliska@suse.cz>
5183         PR tree-optimization/79529
5184         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
5185         ssa_defined_default_def_p to handle cases which are implicitly
5186         defined.
5187         * tree-ssa.c (ssa_defined_default_def_p): New function.
5188         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
5189         which are implicitly defined.
5190         * tree-ssa.h (ssa_defined_default_def_p): Declare.
5192 2017-02-17  Richard Biener  <rguenther@suse.de>
5194         PR middle-end/79576
5195         * params.def (max-ssa-name-query-depth): Limit to 10.
5197 2017-02-17  Richard Biener  <rguenther@suse.de>
5199         PR tree-optimization/79552
5200         * tree-ssa-structalias.c (visit_loadstore): Properly verify
5201         default defs.
5203 2017-02-17  Richard Biener  <rguenther@suse.de>
5205         PR bootstrap/79567
5206         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
5208 2017-02-17  Marek Polacek  <polacek@redhat.com>
5210         PR middle-end/79536
5211         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
5212         (fold_negate_expr): New wrapper.
5214 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
5216         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
5217         Correct terminology and de-emphasize pre-standard behavior.
5219 2017-02-16  Alan Modra  <amodra@gmail.com>
5221         PR rtl-optimization/79286
5222         * ira.c (def_dominates_uses): New function.
5223         (update_equiv_regs): Don't create an equivalence for insns that
5224         may trap where the register def does not dominate the use.
5226 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
5228         PR rtl-optimization/78127
5229         * lra.c (lra): Call lra_eliminate before finish the loop after
5230         lra_constraint.
5232 2017-02-16  Richard Biener  <rguenther@suse.de>
5234         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
5235         isl/isl_val.h.
5236         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
5237         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
5238         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
5239         (isl_val_int_from_wi): New function.
5240         (extract_affine_gmp): Rename to ...
5241         (extract_affine_wi): ... this, take a widest_int.
5242         (extract_affine_int): Just wrap extract_affine_wi.
5243         (add_param_constraints): Use isl_val_int_from_wi.
5244         (add_loop_constraints): Likewise, and extract_affine_wi.
5246 2017-02-15 Jeff Law  <law@redhat.com>
5248         PR middle-end/79521
5249         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
5250         ira_init_register_move_cost_if_necessary.
5252 2017-02-15  Martin Sebor  <msebor@redhat.com>
5254         PR middle-end/32003
5255         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
5256         removed in a prior commit.
5258 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
5260         PR tree-optimization/79347
5261         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
5262         counters during peeling.
5264 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
5266         * Makefile.in (site.exp): Remove "set ISLVER".
5268 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
5270         PR target/79487
5271         * real.c (real_from_integer): Call real_convert even for decimal.
5273 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5275         PR target/79421
5276         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
5278 2017-02-14  Andrew Pinski  <apinski@cavium.com>
5280         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
5281         cores and change the partno/implementer to be correct.
5282         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
5283         the 'B" as the implementer.
5284         * config/aarch64/aarch64-tune.md: Regenerate.
5286 2017-02-14  Carl Love  <cel@us.ibm.com>
5288         * config/rs6000/rs6000.c: Add case statement entry to make the
5289         xvcvuxdsp built-in argument unsigned.
5290         * config/rs6000/vsx.md: Fix the source and return operand types so they
5291         match the instruction definitions from the ISA document.  Fix typo
5292         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
5293         statement.
5295 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
5297         PR target/79282
5298         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
5299         member early_clobber_alts.
5300         * lra-lives.c (reg_early_clobber_p): New.
5301         (process_bb_lives): Use it.
5302         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
5303         (debug_operand_data): Initialize early_clobber_alts.
5304         (setup_operand_alternative): Set up early_clobber_alts.
5305         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
5306         alternatives to new_insn_reg.
5307         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
5308         it.
5309         (lra_update_insn_regno_info): Pass the new arg.
5311 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
5313         PR middle-end/79505
5314         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
5315         (new_oacc_loop_raw): Don't clear already cleared fields.
5317         PR target/79481
5318         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
5319         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
5320         _mm512_prefetch_i64gather_ps): New inline functions and macros.
5322 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
5324         PR target/79495
5325         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
5327 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
5329         PR target/79498
5330         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
5331         the extra instruction to the right place to store 128-bit constant
5332         when needed.
5334 2017-02-14  Martin Sebor  <msebor@redhat.com>
5336         PR middle-end/79448
5337         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
5338           warning for strings of unknown length.
5340 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
5342         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
5344 2017-02-14 Jeff Law  <law@redhat.com>
5346         PR target/79404
5347         * ira-costs.c (scan_one_insn): Initialize register move costs
5348         for pseudos seen in USE/CLOBBER insns.
5350         PR tree-optimization/79095
5351         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
5352         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
5353         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
5354         if the operands are known to be not equal, then the resulting range
5355         is ~[0,0].
5356         (intersect_ranges): If the new range is ~[0,0] and the old range is
5357         wide, then prefer ~[0,0].
5358         * tree-vrp.c (overflow_comparison_p_1): New function.
5359         (overflow_comparison_p): New function.
5360         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
5361         if NAME is used in an overflow test.
5362         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
5363         overflow check that can be expressed as an equality test, then adjust
5364         ops to be that equality test.
5366 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5368         * config/s390/s390-builtin-types.def: Remove flags argument.
5369         * config/s390/s390.c (s390_init_builtins): Likewise.
5371 2017-02-14  Martin Liska  <mliska@suse.cz>
5373         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
5374         vector.  Fix trailing white spaces.
5376 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
5378         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
5379         HFmode.
5381 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5383         PR rtl-optimization/68664
5384         * config/arm/arm.c (arm_sched_can_speculate_insn):
5385         New function.  Declare prototype.
5386         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
5388 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5390         PR rtl-optimization/68664
5391         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
5392         New function.
5393         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
5395 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
5397         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
5398         max skip bytes for function, loop and jump.
5400 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5402         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
5403         ABS_EXPR for gimple dump.
5405 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
5407         PR target/79462
5408         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
5410         PR tree-optimization/79408
5411         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
5412         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
5413         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
5414         also if rhs1 is INTEGER_CST.
5416 2017-02-14  Richard Biener  <rguenther@suse.de>
5418         PR middle-end/79432
5419         * tree-into-ssa.c (insert_phi_nodes): When the function can
5420         have abnormal edges rewrite SSA names with broken use-def
5421         dominance out of SSA and register them for PHI insertion.
5423 2017-02-13  Martin Sebor  <msebor@redhat.com>
5425         PR middle-end/79496
5426         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
5427         clearing info.nowrite flag when snprintf size argument is a range.
5429 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
5431         * cprop.c (cprop_jump): Add missing space in string literal.
5432         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
5433         (get_constraint_for_component_ref): Likewise.
5434         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
5435         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
5436         * lra-constraints.c (process_alt_operands): Likewise.
5437         * ipa-inline.c (inline_small_functions): Likewise.
5438         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
5439         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
5440         * trans-mem.c (diagnose_tm_1_op): Likewise.
5441         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
5442         (grid_parallel_clauses_gridifiable): Likewise.
5444         * config/nvptx/mkoffload.c (process): Add space in between
5445         , and %d.
5447         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
5448         "MOD4_SSE_REGS" and "ALL_REGS".
5450         * spellcheck.c (test_data): Add , in between "foo" and "food".
5452 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5454         PR target/79449
5455         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
5456         boundary crossing check and subsequent code generation agree.
5458 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5460         * config/aarch64/aarch64.c (has_memory_op): Delete.
5461         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
5462         has_memory_op.
5464 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
5466         PR rtl-optimization/79388
5467         PR rtl-optimization/79450
5468         * combine.c (distribute_notes): When removing TEM_INSN for which
5469         corresponding dest has last value recorded, invalidate that last
5470         value.
5472 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5474         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
5475         of explicit '@'.  Add missing assembly comment marker on branch costs
5476         printout.
5478 2017-02-13  Nathan Sidwell  <nathan@acm.org>
5480         * gengtype-lex.l (<in_struct>): Add '/'.
5482 2017-02-13  Martin Liska  <mliska@suse.cz>
5484         PR c/79471
5485         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
5487 2017-02-13  Richard Biener  <rguenther@suse.de>
5489         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
5490         Remove.
5491         * configure: Re-generate.
5492         * config.in: Likewise.
5493         * graphite-dependences.c: Simplify as if
5494         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
5495         * graphite-isl-ast-to-gimple.c: Likewise.
5496         * graphite-optimize-isl.c: Likewise.
5497         * graphite-poly.c: Likewise.
5498         * graphite-sese-to-poly.c: Likewise.
5499         * graphite.h: Likewise.
5500         * toplev.c: Include isl/version.h and use isl_version () for
5501         printing the ISL version.
5502         * doc/install.texi: Update ISL requirement.
5504 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
5506         * doc/standards.texi (Standards): Update reference to
5507         Objective-C 2.0.
5509 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
5510         
5511         * doc/extend.texi (Named Address Spaces): sourceware.org now
5512         defaults to https.
5513         * doc/install.texi (Binaries): Ditto.
5514         (Specific): Ditto.
5516 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
5518         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
5519         standard terminology "stringize"/"stringizing" throughout.
5520         * doc/cppinternals.texi: Likewise.
5522 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
5524         * doc/extend.texi: Fix some spelling mistakes and typos.
5525         * doc/invoke.texi: Likewise.
5527 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
5529         PR ipa/79224
5530         * params.def (inline-min-speedup) Change from 10 to 8.
5532 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
5534         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
5535         4.5.
5537 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
5539         PR ipa/79224
5540         * ipa-inline-analysis.c (get_minimal_bb): New function.
5541         (record_modified): Use it.
5542         (remap_edge_change_prob): Handle also ancestor functions.
5544 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
5546         * doc/contrib.texi (Contributors): Remove broken link into
5547         the Mauve CVS repository.
5549 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
5551         PR middle-end/79454
5552         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
5553         result computation whenever lhs doesn't have vector mode, not
5554         just when it has BLKmode.
5556 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
5558         * doc/makefile.texi (profiledbootstrap): Refer to the
5559         installation instructions only in textual form.
5561 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5563         PR target/79295
5564         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
5566 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
5568         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
5569         (Specific): Update mingw-w64 reference.
5570         (Binaries): Ditto.
5571         (Specific): Remove broken link to Renesas RX processor.
5573 2017-02-10  Richard Biener  <rguenther@suse.de>
5575         * toplev.c (process_options): Do not mention obsolete graphite
5576         options when printing sorry message about missing graphite support.
5577         Mention -floop-nest-optimize.
5579 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
5581         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
5582         (vtst_p16): Likewise.
5583         (vtstq_p8): Likewise.
5584         (vtstq_p16): Likewise.
5585         (vtst_p64): New.
5586         (vtstq_p64): Likewise.
5587         * config/arm/arm_neon.h (vgetq_lane_p64): New.
5588         (vset_lane_p64): New.
5589         (vsetq_lane_p64): New.
5591 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
5593         PR tree-optimization/79411
5594         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
5595         stmt operands are SSA_NAMEs used in abnormal phis.
5596         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
5597         phis.
5599 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
5601         PR ipa/70795
5602         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
5603         flag if needed.
5605 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
5607         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
5609 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
5611         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
5612         to avoid warning.
5614         PR c/79413
5615         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
5616         not arbitrary TREE_CONSTANT.
5618         PR c/79431
5619         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
5620         "omp declare target link" attribute unless is_global_var.
5621         * omp-offload.c (find_link_var_op): Likewise.
5623 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5624             Chung-Lin Tang  <cltang@codesourcery.com>
5626         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
5627         OMP_CLAUSE_TILE.
5628         (gimplify_adjust_omp_clauses): Don't delete TILE.
5629         (gimplify_omp_for): Deal with TILE.
5630         * internal-fn.c (expand_GOACC_TILE): New function.
5631         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
5632         (GOACC_TILE): New.
5633         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
5634         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
5635         element fields.
5636         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
5637         avoid DIV for outermost collapse var.
5638         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
5639         Remove out of date comments, fix whitespace.
5640         * omp-general.c (omp_extract_for_data): Deal with tiling.
5641         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
5642         adjust OLF_DIM_BASE value.
5643         (struct omp_for_data): Add tiling field.
5644         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
5645         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
5646         for auto loops.  Remove default auto determining, moved to
5647         oacc_loop_fixed_partitions.
5648         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
5649         stmts, add e_mask field.
5650         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
5651         (oacc_thread_numbers): Use oacc_dim_call.
5652         (oacc_xform_tile): New.
5653         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
5654         (finish_oacc_loop): Adjust for ifns vector.
5655         (oacc_loop_discover_walk): Append loop abstraction sites to list,
5656         add case for GOACC_TILE fns.
5657         (oacc_loop_xform_loop): Delete.
5658         (oacc_loop_process): Iterate over call list directly, and add
5659         handling for GOACC_TILE fns.
5660         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
5661         dump partitioning.
5662         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
5663         vector partitioning to outer loops.  Assign 2 partitions to loops
5664         when available. Add TILE handling.
5665         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
5666         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
5667         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
5668         * tree.c (omp_clause_num_ops): Adjust TILE ops.
5669         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
5671 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
5673         * configure.ac (ACX_BUGURL): Update.
5674         * configure: Regenerate.
5676 2017-02-09  Richard Biener  <rguenther@suse.de>
5678         PR tree-optimization/69823
5679         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
5680         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
5682 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
5684         * config/arc/arc-c.def: Add __NPS400__ definition.
5685         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
5686         (TARGET_NPS400): Define.
5688 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
5690         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
5691         file.
5692         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
5693         pointer, arch_info.
5694         (arc_cpu_types): Fill the arch_info field with a pointer into the
5695         arc_arch_types table.
5696         (arc_selected_cpu): Declare.
5697         * config/arc/arc.c (arc_selected_cpu): Make global.
5698         (arc_selected_arch): Delete.
5699         (arc_base_cpu): Delete.
5700         (arc_override_options): Remove references to deleted variables,
5701         update access to arch information.
5702         (ARC_OPT): Update access to arch information.
5703         (ARC_OPTX): Likewise.
5704         * config/arc/arc.h (arc_base_cpu): Remove declaration.
5705         (TARGET_ARC600): Update access to arch information.
5706         (TARGET_ARC601): Likewise.
5707         (TARGET_ARC700): Likewise.
5708         (TARGET_EM): Likewise.
5709         (TARGET_HS): Likewise.
5710         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
5711         information.
5713 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
5715         PR target/78604
5716         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
5717         condition/operands for integer GE/LE/GEU/LEU operations.
5719 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
5721         PR translation/79397
5722         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
5723         of AltiVec.
5725 2017-02-08  Martin Jambor  <mjambor@suse.cz>
5727         PR ipa/79375
5728         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
5729         whether allocation happened.
5730         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
5731         nothing was allocated.
5733 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
5735         PR tree-optimization/79408
5736         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
5737         constant, but SSA_NAME with a known integer range, use the minimum
5738         of that range instead of op1 to determine if modulo can be replaced
5739         with its first operand.
5741 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5743         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
5745 2017-02-08  Richard Biener  <rguenther@suse.de>
5747         PR tree-optimization/71824
5748         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
5749         Check all loops contained in the merged region.
5751 2017-02-07  Andrew Pinski  <apinski@cavium.com>
5753         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
5755 2017-02-07  Andrew Pinski  <apinski@cavium.com>
5757         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
5758         (thunderxt88): Likewise.
5759         (thunderxt81): Disable LSE and change v8.1 to v8.
5760         (thunderxt83): Likewise.
5762 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
5763             Richard Biener  <rguenther@suse.de>
5765         PR middle-end/79399
5766         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
5767         type from int to size_t.
5768         * ira-costs.c (struct_costs_size): Change type from int to size_t.
5770 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
5772         PR rtl-optimization/79386
5773         * cprop.c (bypass_conditional_jumps): Initialize
5774         bypass_last_basic_block already before splitting bbs after
5775         unconditional traps...
5776         (bypass_conditional_jumps): ... rather than here.
5778         PR target/79299
5779         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
5780         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
5781         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
5782         fix -masm=intel patterns.
5784 2017-02-07  Richard Biener  <rguenther@suse.de>
5786         PR tree-optimization/79256
5787         PR middle-end/79278
5788         * builtins.c (get_object_alignment_2): Use min_align_of_type
5789         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
5790         and ADJUST_FIELD_ALIGN.
5792         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
5793         type parameter.
5794         * doc/tm.texi: Regenerate.
5795         * stor-layout.c (layout_decl): Adjust.
5796         (update_alignment_for_field): Likewise.
5797         (place_field): Likewise.
5798         (min_align_of_type): Likewise.
5799         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
5800         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
5801         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
5802         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
5803         * config/frv/frv.c (frv_adjust_field_align): Likewise.
5804         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
5805         * config/i386/i386.c (x86_field_alignment): Likewise.
5806         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
5807         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
5808         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
5809         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
5810         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
5811         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
5812          Likewise.
5814         Revert
5815         2017-01-30  Richard Biener  <rguenther@suse.de>
5817         PR tree-optimization/79256
5818         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
5819         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
5820         alignment on TYPE.
5822 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
5824         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
5825         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
5826         builtins to SImode and emit a zero-extend, if necessary.
5828 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5830         * docs/invoke.texi (RISC-V Options): Alphabetize.
5832 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5834         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
5835         options.
5837 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5839         * config/riscv/riscv.c: New file.
5840         * gcc/common/config/riscv/riscv-common.c: Likewise.
5841         * config.gcc: Likewise.
5842         * config/riscv/constraints.md: Likewise.
5843         * config/riscv/elf.h: Likewise.
5844         * config/riscv/generic.md: Likewise.
5845         * config/riscv/linux.h: Likewise.
5846         * config/riscv/multilib-generator: Likewise.
5847         * config/riscv/peephole.md: Likewise.
5848         * config/riscv/pic.md: Likewise.
5849         * config/riscv/predicates.md: Likewise.
5850         * config/riscv/riscv-builtins.c: Likewise.
5851         * config/riscv/riscv-c.c: Likewise.
5852         * config/riscv/riscv-ftypes.def: Likewise.
5853         * config/riscv/riscv-modes.def: Likewise.
5854         * config/riscv/riscv-opts.h: Likewise.
5855         * config/riscv/riscv-protos.h: Likewise.
5856         * config/riscv/riscv.h: Likewise.
5857         * config/riscv/riscv.md: Likewise.
5858         * config/riscv/riscv.opt: Likewise.
5859         * config/riscv/sync.md: Likewise.
5860         * config/riscv/t-elf-multilib: Likewise.
5861         * config/riscv/t-linux: Likewise.
5862         * config/riscv/t-linux-multilib: Likewise.
5863         * config/riscv/t-riscv: Likewise.
5864         * configure.ac: Likewise.
5865         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
5866         Waterman as RISC-V maintainers.
5867         * doc/install.texi: Add RISC-V entries.
5868         * doc/invoke.texi: Add RISC-V options section.
5869         * doc/md.texi: Add RISC-V constraints section.
5870         * configure: Regenerated.
5872 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
5874         PR target/66144
5875         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
5876         false values to be constant vectors with all 0 or all 1 bits set.
5877         (vcondu<mode><mode>): Likewise.
5878         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
5879         predicate.
5880         (fpmask_comparison_operator): Update comment.
5881         (vecint_comparison_operator): New predicate.
5882         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
5883         vector conditionals when the true and false values are constant
5884         vectors with all 0 bits or all 1 bits set.
5886 2017-02-06  Martin Sebor  <msebor@redhat.com>
5888         PR  tree-optimization/79376
5889         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
5891 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
5893         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
5894         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
5895         to simplify split condition.
5897 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
5899         * omp-expand.c (oxpand_omp_atomic_fetch_op,
5900         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
5901         false.
5903 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
5905         PR rtl-optimization/68664
5906         * target.def (can_speculate_insn): New hook.
5907         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
5908         * doc/tm.texi: Regenerate.
5909         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
5910         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
5911         (rs6000_sched_can_speculate_insn): New function.
5913 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
5915         PR tree-optimization/79284
5916         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
5917         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
5918         vectorizable_mask_load_store, vectorizable_operation,
5919         vect_is_simple_cond, get_same_sized_vectype): Use it instead
5920         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
5921         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
5922         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
5923         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
5924         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
5925         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
5926         is_gimple_assign (stmt).  Replace another such test with
5927         is_gimple_assign (stmt).
5929 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
5931         PR target/78883
5932         * config/avr/avr.c (rtl-iter.h): Include it.
5933         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
5934         (avr_legitimate_combined_insn): ...and implementation.
5936 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5938         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
5939         * config/s390/s390.c (s390_const_operand_ok)
5940         (s390_canonicalize_comparison, s390_extract_part)
5941         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
5942         (s390_contiguous_bitmask_p, s390_rtx_costs)
5943         (legitimize_pic_address): Likewise.
5944         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
5945         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
5946         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
5947         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
5948         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
5950 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
5952         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
5953         REGNO($0) == REGNO($1).
5955 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5957         * config/s390/linux.h(SIZE_TYPE): Add comment.
5959 2017-02-06  Julian Brown  <julian@codesourcery.com>
5960             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5961             Virendra Pathak  <virendra.pathak@broadcom.com>
5963         * config/aarch64/aarch64-cores.def: Change the scheduler
5964         to Thunderx2t99.
5965         * config/aarch64/aarch64.md: Include thunderx2t99.md.
5966         * config/aarch64/thunderx2t99.md: New file.
5968 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
5970         * doc/standards.texi (Go Language): Update link to language
5971         standard.
5973 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
5975         * tree-eh.c (lower_resx): Sanitize profile.
5976         (cleanup_empty_eh_move_lp): Likewise.
5978 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
5980         PR tree-ssa/79347
5981         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
5982         ELSE_PROB.
5983         * cfgloopmanip.h (loop_version): Update prototype.
5984         * modulo-sched.c (sms_schedule): Update call of loop_version.
5985         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
5986         * tree-parloops.c (gen_parallel_loop): Likewise.
5987         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
5988         * tree-ssa-loop-split.c (split_loop): Likewise.
5989         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
5990         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
5992 2017-02-05  Martin Liska  <mliska@suse.cz>
5994         PR bootstrap/78985
5995         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
5996         variable to NULL.
5997         (print_operand_address): Initialize a struct to zero.
5999 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
6001         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
6002         garbage collector only in textual form.
6004 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
6005         
6006         * doc/extend.texi (x86 specific memory model extensions for
6007         transactional memory): Simplify a phrase.
6009 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
6011         PR target/79353
6012         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
6013         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
6014         (atomic_storedi_1): Likewise.
6016 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
6018         PR tree-optimization/79338
6019         * tree-parloops.c (gather_scalar_reductions): Don't call
6020         vect_analyze_loop_form for loop->inner before destroying loop's
6021         loop_vinfo.
6023 2017-02-03  Martin Sebor  <msebor@redhat.com>
6025         PR tree-optimization/79327
6026         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
6027         when precision has resulted in leading zeros.
6028         (format_integer): Adjust the likely counter to assume an unknown
6029         argument that may be zero is non-zero.
6031 2017-02-03  Jason Merrill  <jason@redhat.com>
6033         PR c++/78689
6034         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
6035         avoid copying non-taken branch.
6037 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
6039         PR tree-optimization/79340
6040         * tree-vect-loop.c (vectorizable_reduction): Release
6041         vec_defs elements after safe_splicing them into other vectors.
6042         Formatting fixes.
6044         PR tree-optimization/79327
6045         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
6046         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
6047         dirtype.
6048         (format_integer): Use wide_int_to_tree instead of build_int_cst
6049         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
6050         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
6051         of shortest and longest sequence.
6053 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
6055         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
6056         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
6058 2017-02-03  Walter Lee  <walt@tilera.com>
6060         PR target/78862
6061         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
6062         after initial stackframe link reg save.
6063         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
6065 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
6067         PR target/79354
6068         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
6069         wu for stxssp alternative.
6071 2017-02-03  Martin Sebor  <msebor@redhat.com>
6073         PR tree-optimization/79352
6074         * gimple-fold.c (get_range_strlen): Add argument.
6075         (get_range_strlen): Change return type to bool.
6076         (get_maxval_strlen): Pass in a dummy argument.
6077         * gimple-fold.h (get_range_strlen): Change return type to bool.
6078         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
6079         * tree.h (array_at_struct_end_p): Add argument.
6080         * tree.c (array_at_struct_end_p): Handle it.
6082 2017-02-03  Martin Liska  <mliska@suse.cz>
6084         PR lto/66295
6085         * multiple_target.c (create_dispatcher_calls): Redirect edge
6086         from a caller of a dispatcher.
6087         (expand_target_clones): Make the clones local.
6088         (ipa_target_clone): Do both target clones and resolvers.
6089         (ipa_dispatcher_calls): Remove the pass.
6090         (pass_dispatcher_calls::gate): Likewise.
6091         (make_pass_dispatcher_calls): Likewise.
6092         * passes.def (pass_target_clone): Put as very first IPA early
6093         pass.
6095 2017-02-03  Martin Liska  <mliska@suse.cz>
6097         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
6098         in case of a function with ifunc attribute.
6100 2017-02-03  Martin Liska  <mliska@suse.cz>
6102         * cgraph.c (cgraph_node::dump): Dump function version info.
6103         * symtab.c (symtab_node::dump_base): Add missing new line.
6105 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
6107         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
6108         (ifcombine_ifandif): Use it.
6110 2017-02-03  Martin Liska  <mliska@suse.cz>
6112         * doc/invoke.texi: Document default value for
6113         use-after-scope-direct-emission-threshold.
6115 2017-02-03  Martin Liska  <mliska@suse.cz>
6117         PR tree-optimization/79339
6118         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
6119         (format_floating): Likewise.
6121 2017-02-03  Martin Liska  <mliska@suse.cz>
6123         PR ipa/79337
6124         * ipa-prop.c (ipa_node_params_t::insert): Remove current
6125         implementation.
6126         (ipa_node_params_t::remove): Likewise.
6127         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
6128         initialization from removed ipa_node_params_t::insert.
6129         (ipa_node_params::~ipa_node_params): Move from removed
6130         ipa_node_params_t::release.
6131         * symbol-summary.h (symbol_summary::m_released): New member.
6132         Do not release a summary twice.  Do not allow to call finalizer
6133         for types of a summary that live in GGC memory.
6135 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6137         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
6138         cmp_branch fusion.
6140 2017-02-02  Martin Sebor  <msebor@redhat.com>
6142         PR middle-end/79275
6143         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
6144         (format_string): Tighten up the range of output for non-constant
6145         strings and correct the expected range for wide non-constant strings.
6147 2017-02-02  Martin Sebor  <msebor@redhat.com>
6149         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
6151         PR middle-end/32003
6152         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
6153         index.
6154         (-fdump-tree-@var): Add to index and document how to come up
6155         with pass-specific option and dump file names.
6156         (-fdump-passes): Clarify where to look for output.
6158 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
6160         PR middle-end/77445
6161         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
6162         statistics of the analyzed path; allow threading for speed when
6163         any of BBs along the path are optimized for speed.
6165 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
6167         PR middle-end/78468
6168         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
6169         settings of the virtual registers.
6171         Revert again
6172         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6174         * explow.c (get_dynamic_stack_size): Take known alignment of stack
6175         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
6176         needed.
6178 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6180         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
6181         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
6183 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6185         * config/s390/s390.md: Add missing comments with the expanded
6186         mnemonics.
6187         * config/s390/vector.md: Likewise.
6188         * config/s390/vx-builtins.md: Likewise.
6190 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
6192         PR target/79197
6193         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
6194         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
6195         conditions on a single line.
6197 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6199         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
6200         __S390_VX__ to __VX__.
6202 2017-02-01  Andrew Pinski  <apinski@cavium.com>
6204         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
6205         stmt_info to record_stmt_cost.
6206         (vect_get_known_peeling_cost): Pass stmt_info if known to
6207         record_stmt_cost.
6208         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
6209         cpu_vector_cost field into
6210         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
6211         field into vec_int_stmt_cost and vec_fp_stmt_cost.
6212         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
6213         splitting of scalar_stmt_cost and vec_stmt_cost.
6214         (thunderx_vector_cost): Likewise.
6215         (cortexa57_vector_cost): LIkewise.
6216         (exynosm1_vector_cost): Likewise.
6217         (xgene1_vector_cost): Likewise.
6218         (thunderx2t99_vector_cost): Improve after the splitting of the two
6219         fields.
6220         (aarch64_builtin_vectorization_cost): Update for the splitting of
6221         scalar_stmt_cost and vec_stmt_cost.
6223 2017-02-01  Torvald Riegel  <triegel@redhat.com>
6224             Richard Henderson  <rth@redhat.com>
6226         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
6227         conditional on existance of a fast atomic load.
6228         * optabs-query.c (can_atomic_load_p): New function.
6229         * optabs-query.h (can_atomic_load_p): Declare it.
6230         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
6231         no fast atomic load is available for the particular size of access.
6232         (expand_atomic_compare_and_swap): Likewise.
6233         (expand_atomic_load): Likewise.
6234         (expand_atomic_store): Likewise.
6235         (expand_atomic_fetch_op): Likewise.
6236         * testsuite/lib/target-supports.exp
6237         (check_effective_target_sync_int_128): Remove x86 because it provides
6238         no fast atomic load.
6239         (check_effective_target_sync_int_128_runtime): Likewise.
6241 2017-02-01  Richard Biener  <rguenther@suse.de>
6243         * graphite.c: Include tree-vectorizer.h for find_loop_location.
6244         (graphite_transform_loops): Provide opt-info for optimized nests.
6245         * tree-parloop.c (parallelize_loops): Provide opt-info for
6246         parallelized loops.
6248 2017-02-01  Richard Biener  <rguenther@suse.de>
6250         PR middle-end/79315
6251         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
6252         was not set before.
6254 2017-02-01  Richard Biener  <rguenther@suse.de>
6256         PR tree-optimization/71824
6257         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
6258         Verify the loops are valid in the merged SESE region.
6259         (scop_detection::can_represent_loop_1): Check analyzing the
6260         evolution of the number of iterations in the region succeeds.
6262 2017-01-31  Ian Lance Taylor  <iant@golang.org>
6264         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
6265         REG_ARGS_SIZE note to 32-bit push insns and call insn.
6267 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
6269         PR preprocessor/79210
6270         * input.c (get_substring_ranges_for_loc): Replace line_width
6271         assertion with error-handling.
6273 2017-01-31  Richard Biener  <rguenther@suse.de>
6275         PR tree-optimization/77318
6276         * graphite-sese-to-poly.c (extract_affine): Fix assert.
6277         (create_pw_aff_from_tree): Take loop parameter.
6278         (add_condition_to_pbb): Pass loop of the condition to
6279         create_pw_aff_from_tree.
6281 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
6283         * config/s390/s390.c (s390_asan_shadow_offset): New function.
6284         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
6286 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
6288         PR target/78597
6289         PR target/79038
6290         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
6291         no longer used.
6292         (convert_int_to_float128): Likewise.
6293         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
6294         (convert_int_to_float128): Likewise.
6295         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
6296         (UNSPEC_IEEE128_CONVERT): Likewise.
6297         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
6298         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
6299         Use local variables for IBM extended format.
6300         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
6301         (fix_trunc<mode>si2_fprs): Likewise.
6302         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
6303         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
6304         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
6305         to know that we can now have integers of all sizes in vector
6306         registers.
6307         (fix<uns>_<mode>di2_hw): Likewise.
6308         (float<uns>_<mode>si2_hw): Likewise.
6309         (fix_<mode>si2_hw): Likewise.
6310         (fixuns_<mode>si2_hw): Likewise.
6311         (float<uns>_<mode>di2_hw): Likewise.
6312         (float_<mode>di2_hw): Likewise.
6313         (float_<mode>si2_hw): Likewise.
6314         (floatuns_<mode>di2_hw): Likewise.
6315         (floatuns_<mode>si2_hw): Likewise.
6316         (xscvqp<su>wz_<mode>): Delete, no longer used.
6317         (xscvqp<su>dz_<mode>): Likewise.
6318         (xscv<su>dqp_<mode>): Likewise.
6319         (ieee128_mfvsrd_64bit): Likewise.
6320         (ieee128_mfvsrd_32bit): Likewise.
6321         (ieee128_mfvsrwz): Likewise.
6322         (ieee128_mtvsrw): Likewise.
6323         (ieee128_mtvsrd_64bit): Likewise.
6324         (ieee128_mtvsrd_32bit): Likewise.
6326 2017-01-31  Martin Liska  <mliska@suse.cz>
6328         PR ipa/79285
6329         * ipa-prop.c (ipa_free_all_node_params): Call release method
6330         instead of ~sumbol_summary to not to trigger double times
6331         dtor of hash_map.
6333 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
6335         PR tree-optimization/71691
6336         * bitmap.h (class auto_bitmap): New.
6337         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
6338         is_maybe_undefined instead of ssa_undefined_value_p.
6340 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6342         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
6343         __S390_ARCH_LEVEL__ to __ARCH__.
6345 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
6347         PR tree-optimization/79267
6348         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
6349         if should_remove_lhs_p is true.
6351 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
6353         PR debug/63238
6354         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
6355         (add_alignment_attribute): New.
6356         (base_type_die): Add alignment attribute.
6357         (subrange_type_die): Likewise.
6358         (modified_type_die): Likewise.
6359         (gen_array_type_die): Likewise.
6360         (gen_descr_array_type_die: Likewise.
6361         (gen_enumeration_type_die): Likewise.
6362         (gen_subprogram_die): Likewise.
6363         (gen_variable_die): Likewise.
6364         (gen_field_die): Likewise.
6365         (gen_ptr_to_mbr_type_die): Likewise.
6366         (gen_struct_or_union_type_die): Likewise.
6367         (gen_subroutine_type_die): Likewise.
6368         (gen_typedef_die): Likewise.
6369         (base_type_cmp): Compare alignment attribute.
6371 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6373         PR target/79170
6374         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
6375         (setb_unsigned) New pattern for setb with CCUNS.
6376         * config/rs6000/rs6000.c (expand_block_compare): Use a different
6377         subfc./subfe sequence to avoid overflow problems.  Generate a
6378         shorter sequence with cmpld/setb for power9.
6379         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
6380         for generating subfc. instruction.
6381         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
6382         now uses this instruction.
6384 2017-01-30  Ian Lance Taylor  <iant@google.com>
6386         PR debug/79289
6387         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
6388         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
6390 2017-01-30  Martin Sebor  <msebor@redhat.com>
6392         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
6393         Move constant to the right of a relational operator.
6394         (get_mpfr_format_length, format_character, format_string): Ditto.
6395         (should_warn_p, maybe_warn): Same.
6397         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
6399 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
6401         PR lto/79061
6402         * asan.c (get_translation_unit_decl): Remove function.
6403         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
6405 2017-01-30  Martin Liska  <mliska@suse.cz>
6407         PR gcov-profile/79259
6408         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
6409         -fprofile-generate.
6411 2017-01-30  Martin Liska  <mliska@suse.cz>
6413         PR bootstrap/78985
6414         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
6415         Initialize variables with NULL value.
6417 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
6419         PR target/79260
6420         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
6421         tm_p_file.
6422         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
6424 2017-01-30  Richard Biener  <rguenther@suse.de>
6426         PR tree-optimization/79276
6427         * tree-vrp.c (process_assert_insertions): Properly adjust common
6428         when removing a duplicate.
6430         * gcc.dg/torture/pr79276.c: New testcase.
6432 2017-01-30  Richard Biener  <rguenther@suse.de>
6434         PR tree-optimization/79256
6435         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
6436         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
6437         alignment on TYPE.
6438         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
6440 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6442         PR target/79240
6443         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
6444         ("*r<noxa>sbg_<mode>_sll_bitmask")
6445         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
6446         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
6447         Use contiguous_bitmask_nowrap_operand.
6449 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6451         PR target/79268
6452         * config/rs6000/altivec.h (vec_xl): Revise #define.
6453         (vec_xst): Likewise.
6455 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
6457         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
6459 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
6461         PR rtl-optimization/79194
6462         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
6463         traps before call to bypass_conditional_jumps.
6465 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
6467         PR tree-optimization/71374
6468         * lra-constraints.c (check_conflict_input_operands): New.
6469         (match_reload): Use it.
6471 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
6473         PR target/79131
6474         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
6475         account to calculate conflict_set.
6477 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
6479         PR rtl-optimization/78559
6480         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
6481         other_insn in combine.
6483 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
6485         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
6486         uint16_type_node for BT_UINT16.
6488 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
6490         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
6491         "RTL Tests" to menu.
6492         (GIMPLE Tests): New node.
6493         (RTL Tests): New node.
6495 2017-01-27  Richard Biener  <rguenther@suse.de>
6497         PR tree-optimization/79245
6498         * tree-loop-distribution.c (distribute_loop): Apply cost
6499         modeling also to detected patterns.
6501 2017-01-27  Richard Biener  <rguenther@suse.de>
6503         PR tree-optimization/71433
6504         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
6505         (compare_assert_loc): New function.
6506         (process_assert_insertions): Sort and optimize assert locations
6507         to remove duplicates and push down identical assertions on
6508         edges to their destination block.
6510 2017-01-27  Richard Biener  <rguenther@suse.de>
6512         PR tree-optimization/79244
6513         * tree-vrp.c (remove_range_assertions): Forcefully propagate
6514         out SSA names even if abnormal.
6516 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
6518         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
6519         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
6520         instead of MPFR_RNDN.
6522 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
6524         PR target/79239
6525         * arm.c (arm_option_override): Don't call build_target_option_node
6526         until after doing all option overrides.
6527         (arm_valid_target_attribute_tree): Likewise.
6529 2017-01-27  Martin Liska  <mliska@suse.cz>
6531         * doc/invoke.texi (-fprofile-arcs): Document profiling support
6532         for {cd}tors and C++ {cd}tors.
6534 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6536         * config/s390/s390.md ("*setmem_long_and")
6537         ("*setmem_long_and_31z"): Use zero_extend instead of and.
6539 2017-01-26  Martin Sebor  <msebor@redhat.com>
6541         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
6542         of precision.
6544 2017-01-26  Martin Sebor  <msebor@redhat.com>
6546         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
6547         HAVE_DFmode before using XFmode or DFmode.
6548         (parse_directive): Avoid using the z length modifier to avoid
6549         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
6551         PR middle-end/78703
6552         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
6553         to accept adjustment as an array.
6554         (get_int_range): New function.
6555         (struct directive): Make width and prec arrays.
6556         (directive::set_width, directive::set_precision): Call get_int_range.
6557         (format_integer, format_floating): Handle width and precision ranges.
6558         (format_string, parse_directive): Same.
6560 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6562         PR debug/79129
6563         * dwarf2out.c (generate_skeleton_bottom_up): For children with
6564         comdat_type_p set, just clone them, but keep the children in the
6565         original DIE.
6567         PR debug/78835
6568         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
6569         which have direct callers with -fvar-tracking-assignments enabled
6570         in the current TU.
6571         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
6572         inside of type units.
6574 2017-01-26  Martin Sebor  <msebor@redhat.com>
6576         PR middle-end/78703
6577         * gimple-ssa-sprintf.c (struct result_range): Add likely and
6578         unlikely counters.
6579         (struct format_result): Replace number_chars, number_chars_min,
6580         and number_chars_max with a single member of struct result_range.
6581         Remove bounded.
6582         (format_result::operator+=): Adjust.
6583         (struct fmtresult): Remove bounded.  Handle likely and unlikely
6584         counters.
6585         (fmtresult::adjust_for_width_or_precision): New function.
6586         (fmtresult:type_max_digits): New function.
6587         (bytes_remaining): Handle likely and unlikely counters.
6588         (min_bytes_remaining): Remove.
6589         (format_percent): Simplify.
6590         (format_integer, format_floating): Set likely and unlikely counters.
6591         (get_string_length, format_character, format_string): Same.
6592         (format_plain, should_warn_p): New function.
6593         (maybe_warn): Call should_warn_p.  Update diagnostic messages
6594         and handle those for all directives, including plain strings.
6595         (format_directive): Handle likely and unlikely counters.
6596         Remove unnecessary quoting from diagnostics.  Add an informational
6597         note.
6598         (add_bytes): Remove.
6599         (pass_sprintf_length::compute_format_length): Simplify.
6600         (try_substitute_return_value): Handle likely and unlikely counters.
6602 2017-01-26  Carl Love  <cel@us.ibm.com>
6604         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
6605         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
6607 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
6609         PR target/79131
6610         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
6611         endianess for subregs into account.
6612         * lra-constraints.c (lra_constraints): Do risky transformations
6613         always on the first iteration.
6614         * lra-lives.c (check_pseudos_live_through_calls): Add arg
6615         last_call_used_reg_set.
6616         (process_bb_lives): Define and use last_call_used_reg_set.
6617         * lra.c (lra): Always continue after lra_constraints on the first
6618         iteration.
6620 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
6622         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
6623         constant.
6624         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
6626 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6628         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
6629         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
6630         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
6631         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
6632         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
6633         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
6634         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
6635         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
6636         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
6638 2017-01-26  Marek Polacek  <polacek@redhat.com>
6640         PR c/79199
6641         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
6642         for the third operand.
6644 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6646         PR middle-end/79236
6647         * omp-low.c (struct omp_context): Add simt_stmt field.
6648         (scan_omp_for): Return omp_context *.
6649         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
6650         context to the _simt_ SIMD stmt.
6651         (lower_omp_for): For combined SIMD with sibling _simt_
6652         SIMD, make sure to use the same decls in _looptemp_
6653         clauses as in the sibling.
6655 2017-01-26  David Sherwood  <david.sherwood@arm.com>
6657         PR middle-end/79212
6658         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
6659         all contexts.
6661 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6663         PR target/70465
6664         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
6665         emit fld b; fld a; if possible.
6667         * brig-builtins.def: Update copyright years.
6668         * config/arm/arm_acle_builtins.def: Update copyright years.
6670 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
6672         PR target/79179
6673         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
6674         constraint instead of o for the stxsd instruction.
6676 2017-01-25  Carl Love  <cel@us.ibm.com>
6678         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
6679         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
6681 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
6683         * doc/invoke.texi (C++ Dialect Options): Fix typo.
6685 2017-01-25  Richard Biener  <rguenther@suse.de>
6687         PR tree-optimization/69264
6688         * target.def (vector_alignment_reachable): Improve documentation.
6689         * doc/tm.texi: Regenerate.
6690         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
6691         and add a comment.
6692         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
6693         earlier changes with respect to TYPE_USER_ALIGN.
6694         (vector_alignment_reachable_p): Likewise.  Improve dumping.
6696 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6698         PR target/79145
6699         * config/arm/arm.md (xordi3): Force constant operand into a register
6700         for TARGET_IWMMXT.
6702 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6704         * doc/invoke.texi (-fstore-merging): Correct default optimization
6705         levels at which it is enabled.
6706         (-O): Move -fstore-merging from list to...
6707         (-O2): ... Here.
6709 2017-01-25  Richard Biener  <rguenther@suse.de>
6711         PR debug/78363
6712         * omp-expand.c: Include debug.h.
6713         (expand_omp_taskreg): Make sure to generate early debug before
6714         outlining anything from a function.
6715         (expand_omp_target): Likewise.
6716         (grid_expand_target_grid_body): Likewise.
6718 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
6720         PR lto/79061
6721         * asan.c (get_translation_unit_decl): New function.
6722         (asan_add_global): Extract modules file name from globals
6723         TRANSLATION_UNIT_DECL name.
6725 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6727         PR target/77439
6728         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
6729         for long calls with APCS frame and VFP.
6731 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
6733         * cfg.c (original_copy_tables_initialized_p): New function.
6734         * cfg.h (original_copy_tables_initialized_p): New decl.
6735         * cfgrtl.c (relink_block_chain): Guard the call to
6736         free_original_copy_tables with a call to
6737         original_copy_tables_initialized_p.
6738         * cgraph.h (symtab_node::native_rtl_p): New decl.
6739         * cgraphunit.c (symtab_node::native_rtl_p): New function.
6740         (symtab_node::needed_p): Don't assert for early assembly output
6741         for __RTL functions.
6742         (cgraph_node::finalize_function): Set "force_output" for __RTL
6743         functions.
6744         (cgraph_node::analyze): Bail out early for __RTL functions.
6745         (analyze_functions): Update assertion to support __RTL functions.
6746         (cgraph_node::expand): Bail out early for __RTL functions.
6747         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
6748         __RTL functions.
6749         * function.h (struct function): Update comment for field
6750         "pass_startwith".
6751         * gimple-expr.c: Include "tree-pass.h".
6752         (gimple_has_body_p): Return false for __RTL functions.
6753         * Makefile.in (OBJS): Add run-rtl-passes.o.
6754         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
6755         accessor.
6756         (gcc::pass_manager::get_clean_slate): New accessor.
6757         * passes.c: Include "insn-addr.h".
6758         (should_skip_pass_p): Add logging.  Update logic for running
6759         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
6760         property-provider override so it is only done for gimple passes.
6761         Don't skip dfinit.
6762         (skip_pass): New function.
6763         (execute_one_pass): Call skip_pass when skipping passes.
6764         * read-md.c (md_reader::read_char): Support filtering
6765         the input to a subset of line numbers.
6766         (md_reader::md_reader): Initialize fields
6767         m_first_line and m_last_line.
6768         (md_reader::read_file_fragment): New function.
6769         * read-md.h (md_reader::read_file_fragment): New decl.
6770         (md_reader::m_first_line): New field.
6771         (md_reader::m_last_line): New field.
6772         * read-rtl-function.c (function_reader::create_function): Only
6773         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
6774         curr_properties.  Set DECL_INITIAL to a dummy block.
6775         (read_rtl_function_body_from_file_range): New function.
6776         * read-rtl-function.h (read_rtl_function_body_from_file_range):
6777         New decl.
6778         * run-rtl-passes.c: New file.
6779         * run-rtl-passes.h: New file.
6781 2017-01-24 Jeff Law  <law@redhat.com>
6783         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
6784         buffer size.
6786 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
6788         PR tree-optimization/79159
6789         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
6790         (record_nonwrapping_iv): Improve boundary using above function if no
6791         value range information.
6793 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
6794             Martin Jambor  <mjambor@suse.cz>
6796         * brig-builtins.def: New file.
6797         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
6798         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
6799         (DEF_HSAIL_SAT_BUILTIN): Likewise.
6800         (DEF_HSAIL_INTR_BUILTIN): Likewise.
6801         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
6802         * builtin-types.def (BT_INT8): New.
6803         (BT_INT16): Likewise.
6804         (BT_UINT8): Likewise.
6805         (BT_UINT16): Likewise.
6806         (BT_FN_ULONG): Likewise.
6807         (BT_FN_UINT_INT): Likewise.
6808         (BT_FN_UINT_ULONG): Likewise.
6809         (BT_FN_UINT_LONG): Likewise.
6810         (BT_FN_UINT_PTR): Likewise.
6811         (BT_FN_ULONG_PTR): Likewise.
6812         (BT_FN_INT8_FLOAT): Likewise.
6813         (BT_FN_INT16_FLOAT): Likewise.
6814         (BT_FN_UINT32_FLOAT): Likewise.
6815         (BT_FN_UINT16_FLOAT): Likewise.
6816         (BT_FN_UINT8_FLOAT): Likewise.
6817         (BT_FN_UINT64_FLOAT): Likewise.
6818         (BT_FN_UINT16_UINT32): Likewise.
6819         (BT_FN_UINT32_UINT16): Likewise.
6820         (BT_FN_UINT16_UINT16_UINT16): Likewise.
6821         (BT_FN_INT_PTR_INT): Likewise.
6822         (BT_FN_UINT_PTR_UINT): Likewise.
6823         (BT_FN_LONG_PTR_LONG): Likewise.
6824         (BT_FN_ULONG_PTR_ULONG): Likewise.
6825         (BT_FN_VOID_UINT64_UINT64): Likewise.
6826         (BT_FN_UINT8_UINT8_UINT8): Likewise.
6827         (BT_FN_INT8_INT8_INT8): Likewise.
6828         (BT_FN_INT16_INT16_INT16): Likewise.
6829         (BT_FN_INT_INT_INT): Likewise.
6830         (BT_FN_UINT_FLOAT_UINT): Likewise.
6831         (BT_FN_FLOAT_UINT_UINT): Likewise.
6832         (BT_FN_ULONG_UINT_UINT): Likewise.
6833         (BT_FN_ULONG_UINT_PTR): Likewise.
6834         (BT_FN_ULONG_ULONG_ULONG): Likewise.
6835         (BT_FN_UINT_UINT_UINT): Likewise.
6836         (BT_FN_VOID_UINT_PTR): Likewise.
6837         (BT_FN_UINT_UINT_PTR: Likewise.
6838         (BT_FN_UINT32_UINT64_PTR): Likewise.
6839         (BT_FN_INT_INT_UINT_UINT): Likewise.
6840         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
6841         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
6842         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
6843         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
6844         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
6845         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
6846         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
6847         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
6848         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
6849         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
6850         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
6851         * doc/frontends.texi: List BRIG FE.
6852         * doc/install.texi (Testing): Add BRIG tesring requirements.
6853         * doc/invoke.texi (Overall Options): Mention BRIG.
6854         * doc/standards.texi (Standards): Doucment BRIG HSA version.
6856 2017-01-24  Richard Biener  <rguenther@suse.de>
6858         PR translation/79208
6859         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
6861 2017-01-24  Martin Jambor  <mjambor@suse.cz>
6863         PR bootstrap/79198
6864         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
6865         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
6866         and known_contexts.
6868 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
6870         PR middle-end/79123
6871         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
6872         casts from signed to unsigned really don't have a range.
6874 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
6876         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
6877         GMP_RNDx for compatiblity.
6879 2017-01-24  Martin Liska  <mliska@suse.cz>
6881         PR bootstrap/79132
6882         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
6883         that would prevent us to call alloca with -1 as argument.
6885 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
6887         * dwarf2out.c (output_compilation_unit_header, output_file_names):
6888         Avoid -Wformat-security warning.
6890 2017-01-23  Andrew Pinski  <apinski@cavium.com>
6892         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
6893         cost table.
6895 2017-01-23  Martin Sebor  <msebor@redhat.com>
6897         PR middle-end/78703
6898         * gimple-ssa-sprintf.c (warn_level): New global.
6899         (format_integer): Use it here and throughout the rest of the file.
6900         Use the same switch to compute sign as base.
6901         (maybe_warn): New function.
6902         (format_directive): Factor out warnings into maybe_warn.
6903         Add debugging output.  Use warn_level.
6904         (add_bytes): Use warn_level.
6905         (pass_sprintf_length::compute_format_length): Add debugging output.
6906         (try_substitute_return_value): Same.
6907         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
6909         PR middle-end/78703
6910         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
6911         (struct fmtresult, format_integer, format_floating): Adjust.
6912         (fmtresult::fmtresult): Set max correctly in two argument ctor.
6913         (get_string_length, format_string,format_directive): Same.
6914         (pass_sprintf_length::compute_format_length): Same.
6915         (try_substitute_return_value): Simplify slightly.
6917         PR middle-end/78703
6918         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
6919         (fmtresult::operator+=): Outlined.
6920         (struct fmtresult): Add ctors.
6921         (struct conversion_spec): Rename...
6922         (struct directive): ...to this.  Add and remove data members.
6923         (directive::set_width, directive::set_precision): New functions.
6924         (format_percent): Use fmtresult ctor.
6925         (get_width_and_precision): Remove.
6926         (format_integer): Make naming changes.  Avoid computing width and
6927         precision.
6928         (format_floating): Same.  Adjust indentation.
6929         (format_character, format_none): New functions.
6930         (format_string): Moved character handling to format_character.
6931         (format_directive): Remove arguments, change return type.
6932         (parse_directive): New function.
6933         (pass_sprintf_length::compute_format_length): Move directive
6934         parsing to parse_directive.
6936 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
6938         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
6939         (assign_assembler_name_if_needed): ... this.
6940         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
6941         (assign_assembler_name_if_needed): ... this.
6942         (free_lang_data_in_cgraph): Adjust callers.
6943         * cgraphunit.c (cgraph_node::analyze): Likewise.
6944         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
6945         Likewise.
6947 2017-01-23  Richard Biener  <rguenther@suse.de>
6949         PR tree-optimization/79088
6950         PR tree-optimization/79188
6951         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
6952         resetting loop bounds after last path deletion.  Reset loop
6953         bounds of the target loop, make code match the comments.
6954         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
6955         Make sure loops need no fixups.
6957 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6959         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
6960         exponent support with double type for first argument.
6961         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
6962         type returned by __builtin_vec_extract_sig,
6963         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
6964         functions from "vector int" to "vector unsigned int" or from
6965         "vector long long int" to "vector unsigned long long int".
6966         Changed type returned by __builtin_vec_extract_exp,
6967         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
6968         functions from "vector int" to "vector unsigned int" or from
6969         "vector long long int" to "vector unsigned long long int".
6970         Changed return type of __builtin_vec_test_data_class,
6971         __builtin_vec_test_data_class_sp, and
6972         __builtin_vec_test_data_class_dp from "vector int" to
6973         "vector bool int" or from "vector long long int" to "vector bool
6974         long long int" and changed second argument type from "unsigned
6975         int" to "int".  Added new overloaded function forms "vector float
6976         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
6977         "vector float __builtin_vec_insert_exp_sp (vector float, vector
6978         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
6979         double, vector unsigned long long int)" and "vector double
6980         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
6981         long int)".  Changed return type of
6982         __builtin_scalar_test_data_class and
6983         __builtin_scalar_test_data_class_sp and
6984         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
6985         int" and changed second argument from "unsigned int" to "int".
6986         Changed type returned by __builtin_scalar_test_neg,
6987         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
6988         from "int" to "bool int".  Added new overloaded function form
6989         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
6990         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
6991         exponent double-precision with floating point first argument.
6992         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
6993         documentation of scalar_test_data_class, scalar_test_neg,
6994         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
6995         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
6996         vec_test_data_class built-in functions to reflect refinements in
6997         their type signatures.
6999 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
7001         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
7002         size of buf.
7003         (aarch64_elf_asm_destructor): Likewise.
7005 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
7007         PR rtl-optimization/78634
7008         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
7009         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
7010         * ifcvt.c (noce_try_cmove): Add missing cost check.
7012         PR rtl-optimization/71724
7013         * combine.c (if_then_else_cond): Look for situations where it is
7014         beneficial to undo the work of one of the recursive calls.
7016 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
7018         PR tree-optimization/70754
7019         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
7020         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
7021         combined stmt before it if not NULL.
7022         (combine_chains): Process refs reversely and compute dominance point
7023         for root ref.
7025 2017-01-23  Martin Liska  <mliska@suse.cz>
7027         PR tree-optimization/79196
7028         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
7029         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
7030         instead of memcmp.
7031         (strlen_optimize_stmt): Call the renamed function.
7033 2017-01-23  Michael Matz  <matz@suse.de>
7035         PR tree-optimization/78384
7036         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
7038 2017-01-23  Richard Biener  <rguenther@suse.de>
7040         PR tree-optimization/79186
7041         * tree-vrp.c (register_new_assert_for): Make sure we've seen
7042         both incoming edges before moving an assert.
7044 2017-01-23  Martin Jambor  <mjambor@suse.cz>
7046         * ipa-prop.c (load_from_param_1): Removed.
7047         (load_from_unmodified_param): Bits from load_from_param_1 put back
7048         here.
7049         (load_from_param): Removed.
7050         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
7051         with stmt.  Reverted back to use of load_from_unmodified_param.
7053 2017-01-23  Martin Jambor  <mjambor@suse.cz>
7055         PR ipa/79108
7056         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
7057         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
7058         field a pointer to garbage collected vector, mark lattices and
7059         ipcp_orig_node with GTY((skip)).
7060         (ipa_get_param_count): Adjust to descriptors being a pointer.
7061         (ipa_get_param): Likewise.
7062         (ipa_get_type): Likewise.
7063         (ipa_get_param_move_cost): Likewise.
7064         (ipa_set_param_used): Likewise.
7065         (ipa_get_controlled_uses): Likewise.
7066         (ipa_set_controlled_uses): Likewise.
7067         (ipa_is_param_used): Likewise.
7068         (ipa_node_params_t): Move into garbage collector.  New methods insert
7069         and remove.
7070         (ipa_node_params_sum): Annotate wth GTY(()).
7071         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
7072         garbage collected.
7073         (ipa_load_from_parm_agg): Adjust declaration.
7074         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
7075         * ipa-profile.c (ipa_profile): Likewise.
7076         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
7077         (ipa_populate_param_decls): Make descriptors parameter garbage
7078         collected.
7079         (ipa_dump_param): Adjust to descriptors being a pointer.
7080         (ipa_alloc_node_params): Likewise.
7081         (ipa_initialize_node_params): Likewise.
7082         (load_from_param_1): Make descriptors parameter garbage collected.
7083         (load_from_unmodified_param): Likewise.
7084         (load_from_param): Likewise.
7085         (ipa_load_from_parm_agg): Likewise.
7086         (ipa_node_params::~ipa_node_params): Removed.
7087         (ipa_free_all_node_params): Remove call to delete operator.
7088         (ipa_node_params_t::insert): New.
7089         (ipa_node_params_t::remove): Likewise.
7090         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
7091         copy known_csts and known_contexts vectors.
7092         (ipa_read_node_info): Adjust to descriptors being a pointer.
7093         (ipcp_modif_dom_walker): Make m_descriptors field garbage
7094         collected.
7095         (ipcp_transform_function): Make descriptors variable garbage
7096         collected.
7098 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
7100         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
7101         * config/i386/avx512dqintrin.h: Ditto.
7102         * config/i386/avx512fintrin.h: Ditto.
7103         * gcc/config/i386/i386.c: Handle new builtins.
7104         * config/i386/i386-builtin.def: Add new builtins.
7105         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
7106         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
7108 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
7109             Martin Liska  <mliska@suse.cz>
7111         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
7112         * asan.c (asan_expand_poison_ifn): Support stores and use
7113         appropriate ASAN report function.
7114         * internal-fn.c (expand_ASAN_POISON_USE): New function.
7115         * internal-fn.def (ASAN_POISON_USE): Declare.
7116         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
7117         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
7118         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
7119         ASAN_POISON calls w/o LHS.
7120         * tree-ssa.c (execute_update_addresses_taken): Create clobber
7121         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
7122         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
7123         * gimplify.c (asan_poison_variables): Add attribute
7124         use_after_scope_memory to variables that really needs to live
7125         in memory.
7126         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
7127         having the attribute.
7129 2017-01-23  Martin Liska  <mliska@suse.cz>
7131         * asan.c (create_asan_shadow_var): New function.
7132         (asan_expand_poison_ifn): Likewise.
7133         * asan.h (asan_expand_poison_ifn): New declaration.
7134         * internal-fn.c (expand_ASAN_POISON): Likewise.
7135         * internal-fn.def (ASAN_POISON): New builtin.
7136         * sanopt.c (pass_sanopt::execute): Expand
7137         asan_expand_poison_ifn.
7138         * tree-inline.c (copy_decl_for_dup_finish): Make function
7139         external.
7140         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
7141         * tree-ssa.c (is_asan_mark_p): New function.
7142         (execute_update_addresses_taken): Rewrite local variables
7143         (identified just by use-after-scope as addressable) into SSA.
7145 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
7147         * doc/install.texi (Specific): opensource.apple.com uses https
7148         now. Remove trailing slash.
7150 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
7152         * README.Portability: Remove note on an Irix compatibility issue.
7154 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
7156         * gcov.c (INCLUDE_ALGORITHM): Define.
7157         (INCLUDE_VECTOR): Define.
7158         No longer include <vector> and <algorithm> directly.
7160 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
7162         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
7163         to https.
7164         * doc/invoke.texi (Code Gen Options): Ditto.
7166 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
7168         PR lto/78407
7169         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
7171 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7173         rtl-optimization/79125
7174         * cprop.c (local_cprop_pass): Handle cases where we make an
7175         unconditional trap.
7177 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
7179         PR target/61729
7180         PR target/77850
7181         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
7182         read from, for big endian.
7184 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
7186         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
7187         register pauth builtins for LP64 only.
7189 2017-01-20  Marek Polacek  <polacek@redhat.com>
7191         PR c/79152
7192         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
7193         non-case labels.
7195 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
7197         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
7198         of safelen status.
7199         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
7200         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
7201         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
7203 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7205         PR target/71270
7206         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
7207         in big-endian mode when they are not a single duplicated value.
7209 2017-01-20  Richard Biener  <rguenther@suse.de>
7211         * BASE-VER: Bump to 7.0.1.
7213 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
7215         * omp-low.c (omplow_simd_context): New struct.  Use it...
7216         (lower_rec_simd_input_clauses): ...here and...
7217         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
7218         references to idx, lane, max_vf, is_simt.
7220 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
7222         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
7223         mcpu=nps400.
7225 2017-01-20  Martin Jambor  <mjambor@suse.cz>
7227         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
7228         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
7229         gt-hsa-common.h.
7230         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
7231         (GTFILES): Rename hsa.c to hsa-common.c.
7232         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
7233         * hsa-dump.c: Likewise.
7234         * hsa-gen.c: Likewise.
7235         * hsa-regalloc.c: Likewise.
7236         * ipa-hsa.c: Likewise.
7237         * omp-expand.c: Likewise.
7238         * omp-low.c: Likewise.
7239         * toplev.c: Likewise.
7241 2017-01-20  Marek Polacek  <polacek@redhat.com>
7243         PR c/64279
7244         * doc/invoke.texi: Document -Wduplicated-branches.
7245         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
7246         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
7247         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
7248         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
7249         return 0 only when not OEP_LEXICOGRAPHIC.
7250         (fold_build_cleanup_point_expr): Use the expression
7251         location when building CLEANUP_POINT_EXPR.
7252         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
7253         * tree.c (add_expr): Handle error_mark_node.
7255 2017-01-20  Martin Liska  <mliska@suse.cz>
7257         PR lto/69188
7258         * tree-profile.c (init_ic_make_global_vars): Do not call
7259         finalize_decl.
7260         (gimple_init_gcov_profiler): Likewise.
7262 2017-01-20  Martin Liska  <mliska@suse.cz>
7264         PR ipa/71190
7265         * cgraph.h (maybe_create_reference): Remove argument and
7266         update comment.
7267         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
7268         argument.
7269         * ipa-cp.c (create_specialized_node): Likewise.
7270         * symtab.c (symtab_node::maybe_create_reference): Handle
7271         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
7273 2017-01-20  Martin Liska  <mliska@suse.cz>
7275         * read-rtl-function.c (function_reader::create_function): Use
7276         build_decl instread of build_decl_stat.
7278 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
7280         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
7281         * config/i386/avx512dqintrin.h: Ditto.
7282         * config/i386/avx512fintrin.h: Ditto.
7283         * config/i386/i386-builtin-types.def: Add new types.
7284         * gcc/config/i386/i386.c: Handle new types.
7285         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
7286         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
7287         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
7288         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
7289         (__builtin_ia32_kshiftridi): New.
7290         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
7292 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
7294         PR target/78875
7295         PR target/79140
7296         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
7297         define to rs6000_init_stack_protect_guard.
7298         (rs6000_init_stack_protect_guard): New function.
7300 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
7301             Yunqiang Su  <yunqiang.su@imgtec.com>
7303         * config.gcc (supported_defaults): Add madd4.
7304         (with_madd4): Add validation.
7305         (all_defaults): Add madd4.
7306         * config/mips/mips.opt (mmadd4): New option.
7307         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
7308         mmadd4.
7309         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
7310         __mips_no_madd4.
7311         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
7312         (ISA_HAS_FUSED_MADD4): Likewise.
7313         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
7314         * gcc/doc/install.texi (--with-madd4): Document the new option.
7316 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7318         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
7319         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
7320         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
7321         (aarch64_init_pauth_hint_builtins): New.
7322         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
7323         (aarch64_expand_builtin): Expand new builtins.
7325 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7327         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
7328         * combine-stack-adj.c (no_unhandled_cfa): Handle
7329         REG_CFA_TOGGLE_RA_MANGLE.
7330         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
7331         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
7332         info for return address signing.
7333         (aarch64_expand_epilogue): Likewise.
7335 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7337         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
7338         * config/aarch64/aarch64-protos.h
7339         (aarch64_return_address_signing_enabled): New declaration.
7340         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
7341         New function.
7342         (aarch64_expand_prologue): Sign return address before it's pushed onto
7343         stack.
7344         (aarch64_expand_epilogue): Authenticate return address fetched from
7345         stack.
7346         (aarch64_override_options): Sanity check for ILP32 and ISA level.
7347         (aarch64_attributes): New function attributes for "sign-return-address".
7348         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
7349         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
7350         ("*do_return"): Generate combined instructions according to key index.
7351         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
7352         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
7353         iterators.
7354         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
7355         * config/aarch64/aarch64.opt (msign-return-address=): New.
7356         * doc/extend.texi (AArch64 Function Attributes): Documents
7357         "sign-return-address=".
7358         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
7360 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
7362         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
7363         overall option summary.
7365 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7367         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
7368         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
7369         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
7370         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
7372 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
7374         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
7375         -mpower9-minmax by default for -mcpu=power9.
7376         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
7377         128-bit floating point.
7379 2017-01-20  Alan Modra  <amodra@gmail.com>
7381         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
7382         optimizing for size.
7384 2017-01-20  Alan Modra  <amodra@gmail.com>
7386         PR target/79144
7387         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
7388         for strcmp and strncmp from corresponding builtin decl.
7390 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
7392         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
7393         instead of i386/rtems-64.h.
7394         * config/i386/rtems-64.h: Remove.
7396 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
7398         PR target/78478
7399         Revert:
7400         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
7402         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
7404 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
7406         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
7407         Change int to HOST_WIDE_INT.
7408         * config/aarch64/aarch64-protos.h
7409         (aarch64_simd_gen_const_vector_dup): Likewise.
7410         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
7412 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
7414         * langhooks-def.h (lhd_type_for_size): New decl.
7415         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
7416         * langhooks.c (lhd_type_for_size): New function, taken from
7417         lto_type_for_size.
7419 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
7421         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
7422         define_bypass for CR latency.
7423         (power9-cracked-alu): Update bypass latency and remove power9-branch.
7424         (power9-alu2): Add define_bypass for CR latency.
7425         (power9-cmp): New.
7426         (power9-mul): Update insn latency.
7427         (power9-mul-compare): Update insn latency, bypass latency and remove
7428         power9-branch.
7430 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7432         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
7433         Delete.
7434         * config/aarch64/aarch64.md
7435         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
7436         aarch64_nopcrelative_literal_loads.
7437         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
7439 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
7441         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
7442         TARGET_LOONGSON_3A.
7443         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
7445 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
7447         PR target/78176
7448         * config.gcc (supported_defaults): Add lxc1-sxc1.
7449         (with_lxc1_sxc1): Add validation.
7450         (all_defaults): Add lxc1-sxc1.
7451         * config/mips/mips.opt (mlxc1-sxc1): New option.
7452         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
7453         mlxc1-sxc1.
7454         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
7455         __mips_no_lxc1_sxc1.
7456         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
7457         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
7458         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
7460 2017-01-19  Richard Biener  <rguenther@suse.de>
7462         PR tree-optimization/72488
7463         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
7464         sure to restore SSA info.
7465         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
7467 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
7469         PR rtl-optimization/79121
7470         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
7471         of the inner type when shifting an extended value.
7473 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
7475         PR lto/78407
7476         * symtab.c (symtab_node::equal_address_to): Fix comparing of
7477         interposable aliases.
7479 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
7481         PR target/78516
7482         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
7483         Use the evmergelohi instruction.
7484         (mov_si<mode>_e500_subreg4_2_le): Likewise.
7485         (mov_sitf_e500_subreg8_2_be): Likewise.
7486         (mov_sitf_e500_subreg12_2_le): Likewise.
7487         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
7488         (mov_si<mode>_e500_subreg4_2_be): Likewise.
7489         (mov_sitf_e500_subreg8_2_le): Likewise.
7490         (mov_sitf_e500_subreg12_2_be): Likewise.
7492 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7494         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
7495         attribute from vecsimple to vecperm.
7496         (altivec_vbpermq2): Likewise.
7498 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7500         PR target/79040
7501         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
7503 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7504         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
7505         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
7506         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
7507         case where N arg is SIZE_MAX.
7508         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
7509         (cmpstrsi): Add pattern.
7511 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
7513         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7514         __builtin_vec_revb builtins.
7515         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
7516         built-in functions to support generation of the ISA 3.0 XXBR<x>
7517         vector byte reverse instructions.
7518         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
7519         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
7520         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
7521         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
7522         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
7523         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
7524         (P9V_BUILTIN_VEC_REVB): Likewise.
7525         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
7526         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
7527         (p9_xxbrq_v16qi): Likewise.
7528         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
7529         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
7530         (p9_xxbrh_v8hi): Likewise.
7531         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
7532         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
7533         vec_revb built-in functions.
7535 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
7537         PR rtl-optimization/78952
7538         * config/i386/i386.md (any_extract): New code iterator.
7539         (*insvqi_2): Use any_extract for source operand.
7540         (*insvqi_3): Use any_shiftrt for source operand.
7542 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
7544         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
7545         New function.
7546         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
7548 2017-01-18  Matthias Klose  <doko@ubuntu.com>
7550         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
7552 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7554         * config/rs6000/altivec.h (vec_bperm): Change #define.
7555         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
7556         (altivec_vbpermq2): New define_insn.
7557         (altivec_vbpermd): Likewise.
7558         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
7559         function interface.
7560         (VBPERMD): Likewise.
7561         (VBPERM): New polymorphic function interface.
7562         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
7563         Add entries for P9V_BUILTIN_VEC_VBPERM.
7564         * doc/extend.texi: Add interfaces for vec_bperm.
7566 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7568         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
7569         first letter of error messages.
7570         (s390_resolve_overloaded_builtin): Likewise.
7571         * config/s390/s390.c (s390_expand_builtin): Likewise.
7572         (s390_invalid_arg_for_unprototyped_fn): Likewise.
7573         (s390_valid_target_attribute_inner_p): Likewise.
7574         * config/s390/s390.md ("tabort"): Likewise.
7576 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
7578         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
7579         (ISA_AVOID_DIV_HILO): New macro.
7580         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
7581         (ISA_HAS_DDIV): Likewise.
7583 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7585         * doc/invoke.texi (fabi-version): Correct number of occurrences.
7587 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7589         * doc/invoke.texi (fabi-version): Spelling fix.
7591 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7593         PR c++/70182
7594         * doc/invoke.texi (fabi-version): Mention mangling fix for
7595         operator names.
7597 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7599         PR c++/77489
7600         * doc/invoke.texi (fabi-version): Document discriminator mangling.
7602 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
7604         PR target/78875
7605         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
7606         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
7607         the new options.
7608         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
7609         flexible settings.
7610         (stack_protect_test): Ditto.
7611         * config/rs6000/rs6000.opt (mstack-protector-guard=,
7612         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
7613         options.
7614         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
7615         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
7616         -mstack-protector-guard-offset=.
7617         (RS/6000 and PowerPC Options): Ditto.
7619 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
7621         * config/i386/i386.h (MASK_CLASS_P): New define.
7622         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
7623         there are no registers from different register sets also when
7624         mask registers are used.  Update function comment.
7625         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
7626         to (*k/*r) and (*k/*km) alternatives.
7628 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
7630         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
7631         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
7632         (EH_RETURN_HANDLER_RTX): New define.
7633         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
7634         Force frame pointer in EH return functions.
7635         (aarch64_expand_epilogue): Add barrier for eh_return.
7636         (aarch64_final_eh_return_addr): Remove.
7637         (aarch64_eh_return_handler_rtx): New function.
7638         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
7639         Remove.
7640         (aarch64_eh_return_handler_rtx): New prototype.
7642 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7644         * config/rs6000/altivec.h (vec_rlmi): New #define.
7645         (vec_vrlnm): Likewise.
7646         (vec_rlnm): Likewise.
7647         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
7648         (UNSPEC_VRLNM): Likewise.
7649         (VIlong): New mode iterator.
7650         (altivec_vrl<VI_char>mi): New define_insn.
7651         (altivec_vrl<VI_char>nm): Likewise.
7652         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
7653         function entry.
7654         (VRLDNM): Likewise.
7655         (RLNM): New polymorphic function entry.
7656         (VRLWMI): New monomorphic function entry.
7657         (VRLDMI): Likewise.
7658         (RLMI): New polymorphic function entry.
7659         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
7660         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
7661         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
7662         vec_vrlnm.
7664 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7666         PR debug/78839
7667         * dwarf2out.c (field_byte_offset): Restore the
7668         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
7669         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
7670         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
7671         of build2 + fold.
7673 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7675         PR ada/67205
7676         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
7678 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7680         PR debug/71669
7681         * dwarf2out.c (add_data_member_location_attribute): For constant
7682         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
7683         instead of DW_AT_data_member_location, DW_AT_bit_offset and
7684         DW_AT_byte_size attributes.
7686 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7688         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
7689         after forcing to constant memory when the code model is medium.
7691 2017-01-17  Julia Koval  <julia.koval@intel.com>
7693         PR target/76731
7694         * config/i386/avx512fintrin.h
7695         (_mm512_i32gather_ps): Change __addr type to void const*.
7696         (_mm512_mask_i32gather_ps): Ditto.
7697         (_mm512_i32gather_pd): Ditto.
7698         (_mm512_mask_i32gather_pd): Ditto.
7699         (_mm512_i64gather_ps): Ditto.
7700         (_mm512_mask_i64gather_ps): Ditto.
7701         (_mm512_i64gather_pd): Ditto.
7702         (_mm512_mask_i64gather_pd): Ditto.
7703         (_mm512_i32gather_epi32): Ditto.
7704         (_mm512_mask_i32gather_epi32): Ditto.
7705         (_mm512_i32gather_epi64): Ditto.
7706         (_mm512_mask_i32gather_epi64): Ditto.
7707         (_mm512_i64gather_epi32): Ditto.
7708         (_mm512_mask_i64gather_epi32): Ditto.
7709         (_mm512_i64gather_epi64): Ditto.
7710         (_mm512_mask_i64gather_epi64): Ditto.
7711         (_mm512_i32scatter_ps): Change __addr type to void*.
7712         (_mm512_mask_i32scatter_ps): Ditto.
7713         (_mm512_i32scatter_pd): Ditto.
7714         (_mm512_mask_i32scatter_pd): Ditto.
7715         (_mm512_i64scatter_ps): Ditto.
7716         (_mm512_mask_i64scatter_ps): Ditto.
7717         (_mm512_i64scatter_pd): Ditto.
7718         (_mm512_mask_i64scatter_pd): Ditto.
7719         (_mm512_i32scatter_epi32): Ditto.
7720         (_mm512_mask_i32scatter_epi32): Ditto.
7721         (_mm512_i32scatter_epi64): Ditto.
7722         (_mm512_mask_i32scatter_epi64): Ditto.
7723         (_mm512_i64scatter_epi32): Ditto.
7724         (_mm512_mask_i64scatter_epi32): Ditto.
7725         (_mm512_i64scatter_epi64): Ditto.
7726         (_mm512_mask_i64scatter_epi64): Ditto.
7727         * config/i386/avx512pfintrin.h
7728         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
7729         (_mm512_mask_prefetch_i32gather_ps): Ditto.
7730         (_mm512_mask_prefetch_i64gather_pd): Ditto.
7731         (_mm512_mask_prefetch_i64gather_ps): Ditto.
7732         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
7733         (_mm512_prefetch_i32scatter_ps): Ditto.
7734         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
7735         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
7736         (_mm512_prefetch_i64scatter_pd): Ditto.
7737         (_mm512_prefetch_i64scatter_ps): Ditto.
7738         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
7739         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
7740         * config/i386/avx512vlintrin.h
7741         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
7742         (_mm_mmask_i32gather_ps): Ditto.
7743         (_mm256_mmask_i32gather_pd): Ditto.
7744         (_mm_mmask_i32gather_pd): Ditto.
7745         (_mm256_mmask_i64gather_ps): Ditto.
7746         (_mm_mmask_i64gather_ps): Ditto.
7747         (_mm256_mmask_i64gather_pd): Ditto.
7748         (_mm_mmask_i64gather_pd): Ditto.
7749         (_mm256_mmask_i32gather_epi32): Ditto.
7750         (_mm_mmask_i32gather_epi32): Ditto.
7751         (_mm256_mmask_i32gather_epi64): Ditto.
7752         (_mm_mmask_i32gather_epi64): Ditto.
7753         (_mm256_mmask_i64gather_epi32): Ditto.
7754         (_mm_mmask_i64gather_epi32): Ditto.
7755         (_mm256_mmask_i64gather_epi64): Ditto.
7756         (_mm_mmask_i64gather_epi64): Ditto.
7757         (_mm256_i32scatter_ps): Change __addr type to void*.
7758         (_mm256_mask_i32scatter_ps): Ditto.
7759         (_mm_i32scatter_ps): Ditto.
7760         (_mm_mask_i32scatter_ps): Ditto.
7761         (_mm256_i32scatter_pd): Ditto.
7762         (_mm256_mask_i32scatter_pd): Ditto.
7763         (_mm_i32scatter_pd): Ditto.
7764         (_mm_mask_i32scatter_pd): Ditto.
7765         (_mm256_i64scatter_ps): Ditto.
7766         (_mm256_mask_i64scatter_ps): Ditto.
7767         (_mm_i64scatter_ps): Ditto.
7768         (_mm_mask_i64scatter_ps): Ditto.
7769         (_mm256_i64scatter_pd): Ditto.
7770         (_mm256_mask_i64scatter_pd): Ditto.
7771         (_mm_i64scatter_pd): Ditto.
7772         (_mm_mask_i64scatter_pd): Ditto.
7773         (_mm256_i32scatter_epi32): Ditto.
7774         (_mm256_mask_i32scatter_epi32): Ditto.
7775         (_mm_i32scatter_epi32): Ditto.
7776         (_mm_mask_i32scatter_epi32): Ditto.
7777         (_mm256_i32scatter_epi64): Ditto.
7778         (_mm256_mask_i32scatter_epi64): Ditto.
7779         (_mm_i32scatter_epi64): Ditto.
7780         (_mm_mask_i32scatter_epi64): Ditto.
7781         (_mm256_i64scatter_epi32): Ditto.
7782         (_mm256_mask_i64scatter_epi32): Ditto.
7783         (_mm_i64scatter_epi32): Ditto.
7784         (_mm_mask_i64scatter_epi32): Ditto.
7785         (_mm256_i64scatter_epi64): Ditto.
7786         (_mm256_mask_i64scatter_epi64): Ditto.
7787         (_mm_i64scatter_epi64): Ditto.
7788         (_mm_mask_i64scatter_epi64): Ditto.
7789         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
7790         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
7791         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
7792         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
7793         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
7794         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
7795         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
7796         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
7797         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
7798         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
7799         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
7800         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
7801         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
7802         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
7803         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
7804         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
7805         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
7806         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
7807         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
7808         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
7809         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
7810         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
7811         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
7812         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
7813         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
7814         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
7815         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
7816         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
7817         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
7818         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
7819         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
7820         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
7821         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
7822         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
7823         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
7824         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
7825         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
7826         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
7827         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
7828         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
7829         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
7830         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
7831         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
7832         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
7833         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
7834         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
7835         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
7836         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
7837         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
7838         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
7839         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
7840         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
7841         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
7842         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
7843         definitions accordingly.
7845 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
7846             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
7848         PR target/79079
7849         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
7850         gen_lowpart.
7852 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
7854         PR target/79058
7855         * ira-conflicts.c (ira_build_conflicts): Update total conflict
7856         hard regs for inner regno.
7858 2017-01-17  Martin Liska  <mliska@suse.cz>
7860         PR ipa/71207
7861         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
7862         assumption and add comment.
7864 2017-01-17  Nathan Sidwell  <nathan@acm.org>
7866         * ipa-visibility.c (localize_node): New function, broken out of ...
7867         (function_and_variable_visibility): ... here. Call it.
7869 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
7871         PR middle-end/77445
7872         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
7873         correctly set frequency of oudgoing edge.
7874         (duplicate_thread_path): Fix profile updating.
7876 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7878         PR other/79046
7879         * configure.ac: Add GCC_BASE_VER.
7880         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
7881         version from BASE-VER file.
7882         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
7883         (gcc.o): Depend on $(BASEVER).
7884         * common.opt (dumpfullversion): New option.
7885         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
7886         * doc/invoke.texi: Document -dumpfullversion.
7887         * doc/install.texi: Document --with-gcc-major-version-only.
7888         * configure: Regenerated.
7890 2017-01-17  Richard Biener  <rguenther@suse.de>
7892         PR tree-optimization/71433
7893         * tree-vrp.c (register_new_assert_for): Merge same asserts
7894         on all incoming edges.
7895         (process_assert_insertions_for): Handle insertions at the
7896         beginning of BBs.
7898 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
7900         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
7901         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
7903 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
7905         PR target/78633
7906         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
7907         RTL sharing.
7909 2017-01-17  Alan Modra  <amodra@gmail.com>
7911         PR target/79066
7912         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
7913         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
7914         symbolic stack limit when pic.
7916 2017-01-16  Martin Sebor  <msebor@redhat.com>
7918         PR tree-optimization/78608
7919         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
7921 2017-01-16  Jeff Law  <law@redhat.com>
7923         Revert:
7924         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
7925         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
7926         for several include directories that may be relative to sysroot.
7927         * config/i386/x-mingw32 (gplus_includedir): Define.
7928         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
7929         (native_system_includedir): Likewise.
7930         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
7931         override if TARGET_SYSTEM_ROOT is defined.
7932         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
7934         PR tree-optimization/79090
7935         PR tree-optimization/33562
7936         PR tree-optimization/61912
7937         PR tree-optimization/77485
7938         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
7939         and computed trims into the dump file.
7941 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
7943         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
7945 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
7947         PR c/79089
7948         * gimplify.c (gimplify_init_constructor): If want_value and
7949         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
7950         fix.
7952         PR target/79080
7953         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
7954         sequence.  Formatting fixes.
7955         (doloop_optimize): Formatting fixes.
7957         PR driver/49726
7958         * gcc.c (debug_level_greater_than_spec_func): New function.
7959         (static_spec_functions): Add debug-level-gt spec function.
7960         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
7961         !g0.
7962         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
7963         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
7964         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
7965         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
7966         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
7967         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
7969 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
7971         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
7972         QImode fixups to general and mask registers only.
7974 2017-01-16  Carl Love  <cel@us.ibm.com>
7976         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
7977         for built-in functions
7978         vector signed char vec_nabs (vector signed char)
7979         vector signed short vec_nabs (vector signed short)
7980         vector signed int vec_nabs (vector signed int)
7981         vector signed long long vec_nabs (vector signed long long)
7982         vector float vec_nabs (vector float)
7983         vector double vec_nabs (vector double)
7984         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
7985         and NABS overload.
7986         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
7987         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
7988         * doc/extend.texi: Update the documentation file for the new built-in
7989         functions.
7991 2017-01-16  Martin Sebor  <msebor@redhat.com>
7993         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
7994         message.
7996 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7998         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
7999         UNSPEC_VSX__XXSPLTD to require special splat handling.
8001 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
8003         PR bootstrap/78616
8004         * system.h: Poison strndup.
8006 2017-01-16  Alan Modra  <amodra@gmail.com>
8008         PR target/79098
8009         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
8010         use a switch.
8012 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
8014         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
8016 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
8018         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
8019         call recog here.  Assert that INSN_CODE (insn) is non-negative.
8021 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
8023         PR target/72749
8024         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
8025         fallthrough.
8026         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
8027         in the currently scheduled RTL fragment.
8029 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
8031         PR rtl-optimization/78751
8032         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
8033         give up.
8035 2017-01-14  Jeff Law  <law@redhat.com>
8037         PR tree-optimization/79090
8038         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
8039         variable length stores.
8040         (compute_trims): Delete dead assignment to *trim_tail.
8041         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
8042         zero length.
8044 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
8046         PR rtl-optimization/78626
8047         PR rtl-optimization/78727
8048         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
8049         of a block, and split such blocks after everything else is finished.
8051 2017-01-14  Alan Modra  <amodra@gmail.com>
8053         PR target/72749
8054         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
8055         target legitimate_combined_insn.
8056         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
8057         (rs6000_legitimate_combined_insn): New function.
8058         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
8059         all uses.
8060         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
8061         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
8062         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
8064 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
8066         * doc/frontends.texi (G++ and GCC): Remove references to Java.
8068 2017-01-13  Jeff Law  <law@redhat.com>
8070         PR tree-optimization/33562
8071         PR tree-optimization/61912
8072         PR tree-optimization/77485
8073         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
8074         a statement.
8075         (delete_dead_assignment): Likewise.
8076         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
8077         statement to delete_dead_call and delete_dead_assignment.
8079 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
8081         PR c/78304
8082         * substring-locations.c (format_warning_va): Strengthen case 1 so
8083         that both endpoints of the substring must be within the format
8084         range for just the substring to be printed.
8086 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
8088         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
8089         * config/i386/i386.c (ix86_target_string): Add missing options
8090         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
8091         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
8092         flags_other and ix86_target_other to flags2_other.  Display unknown
8093         isa2 options.
8094         (ix86_valid_target_attribute_inner_p): Add missing options and
8095         reorder options by implied ISAs, as in ix86_target_string.
8097 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
8099         * hash-table.h (hash_table::too_empty_p): New function.
8100         (hash_table::expand): Use it.
8101         (hash_table::traverse): Likewise.
8102         (hash_table::empty_slot): Use sizeof (value_type) instead of
8103         sizeof (PTR) to convert bytes to elements.  Shrink the table
8104         if the current size is excessive for the current number of
8105         elements.
8107 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
8109         * ira-costs.c (record_reg_classes): Break from the inner loop
8110         early once alt_fail is known to be true.  Update outer loop
8111         handling accordingly.
8113 2017-01-13  Jeff Law  <law@redhat.com>
8115         * tree-ssa-dse.c (decrement_count): New function.
8116         (increment_start_addr, maybe_trim_memstar_call): Likewise.
8117         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
8118         when we know the partially dead statement is a mem* function.
8120         PR tree-optimization/61912
8121         PR tree-optimization/77485
8122         * tree-ssa-dse.c: Include expr.h.
8123         (maybe_trim_constructor_store): New function.
8124         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
8126         PR tree-optimization/33562
8127         PR tree-optimization/61912
8128         PR tree-optimization/77485
8129         * doc/invoke.texi: Document new dse-max-object-size param.
8130         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
8131         * tree-ssa-dse.c: Include params.h.
8132         (dse_store_status): New enum.
8133         (initialize_ao_ref_for_dse): New, partially extracted from
8134         dse_optimize_stmt.
8135         (valid_ao_ref_for_dse, normalize_ref): New.
8136         (setup_live_bytes_from_ref, compute_trims): Likewise.
8137         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
8138         (maybe_trim_partially_dead_store): Likewise.
8139         (maybe_trim_complex_store): Likewise.
8140         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
8141         Track what bytes live from the original store.  Return tri-state
8142         for dead, partially dead or live.
8143         (dse_dom_walker): Add constructor, destructor and new private members.
8144         (delete_dead_call, delete_dead_assignment): New extracted from
8145         dse_optimize_stmt.
8146         (dse_optimize_stmt): Make a member of dse_dom_walker.
8147         Use initialize_ao_ref_for_dse.
8149         PR tree-optimization/33562
8150         PR tree-optimization/61912
8151         PR tree-optimization/77485
8152         * sbitmap.h (bitmap_count_bits): Prototype.
8153         (bitmap_clear_range, bitmap_set_range): Likewise.
8154         * sbitmap.c (bitmap_clear_range): New function.
8155         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
8157 2017-01-13  Martin Liska  <mliska@suse.cz>
8159         PR ipa/79043
8160         * function.c (set_cfun): Add new argument force.
8161         * function.h (set_cfun): Likewise.
8162         * ipa-inline-transform.c (inline_call): Use the function when
8163         strict alising from is dropped for function we inline to.
8165 2017-01-13  Richard Biener  <rguenther@suse.de>
8167         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
8168         for dumping GIMPLE INTEGER_CSTs.
8170 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8172         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
8173         to 201112L since C++17.
8175 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8177         PR sanitizer/78887
8178         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
8179         if -fsanitize=kernel-address is present.
8181 2017-01-13  Richard Biener  <rguenther@suse.de>
8183         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
8184         as _Literal ( type ) number in case usual suffixes do not
8185         preserve all information.
8187 2017-01-13  Richard Biener  <rguenther@suse.de>
8189         PR tree-optimization/77283
8190         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
8191         and ssa-iterators.h.
8192         (is_feasible_trace): Implement a cost model based on joiner
8193         PHI node uses.
8195 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8197         PR target/79004
8198         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
8199         char or short to __float128/_Float128 directly.
8201 2017-01-12  Martin Sebor  <msebor@redhat.com>
8203         to -Wformat-overflow.
8204         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
8205         (min_bytes_remaining): Same.
8206         (get_string_length): Same.
8207         (format_string): Same.
8208         (format_directive): Same.
8209         (add_bytes): Same.
8210         (pass_sprintf_length::handle_gimple_call): Same.
8212 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
8214         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
8215         info.nowrite calls with no lhs that can't throw.  Return bool
8216         whether gsi_remove has been called or not.
8217         (pass_sprintf_length::handle_gimple_call): Return bool whether
8218         try_substitute_return_value called gsi_remove.  Formatting fix.
8219         (pass_sprintf_length::execute): Don't use gsi_remove if
8220         handle_gimple_call returned true.
8222         PR bootstrap/79069
8223         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
8224         be removed due to side-effects, don't remove following barrier nor
8225         turn the successor edge into fallthru edge.
8227 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8229         PR target/79044
8230         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
8231         element-reversing loads and stores as not swappable.
8233 2017-01-12  Nathan Sidwell  <nathan@acm.org>
8234             Nicolai Stange  <nicstange@gmail.com>
8236         * combine.c (try_combine): Don't ignore result of overlap checking
8237         loop.  Combine overlap & asm check into single loop.
8239 2017-01-12  Richard Biener  <rguenther@suse.de>
8241         * tree-pretty-print.c (dump_generic_node): Provide -gimple
8242         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
8244 2017-01-12  Richard Biener  <rguenther@suse.de>
8246         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
8247         and TS_TARGET_OPTION directly derive from TS_BASE.
8248         * tree-core.h (tree_optimization_option): Derive from tree_base.
8249         (tree_target_option): Likewise.
8251 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
8253         * config/i386/i386.c (memory_address_length): Increase len
8254         only when rip_relative_addr_p returns false.
8256 2017-01-11  Julia Koval  <julia.koval@intel.com>
8258         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
8259         (OPTION_MASK_ISA_SGX_SET): New.
8260         (ix86_handle_option): Handle OPT_msgx.
8261         * config.gcc: Added sgxintrin.h.
8262         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
8263         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
8264         * config/i386/i386.c (ix86_target_string): Add -msgx.
8265         (PTA_SGX): New.
8266         (ix86_option_override_internal): Handle new options.
8267         (ix86_valid_target_attribute_inner_p): Add sgx.
8268         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
8269         * config/i386/i386.opt: Add msgx.
8270         * config/i386/sgxintrin.h: New file.
8271         * config/i386/x86intrin.h: Add sgxintrin.h.
8273 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
8275         PR c++/71537
8276         * fold-const.c (maybe_nonzero_address): Return 1 for function
8277         local objects.
8278         (tree_single_nonzero_warnv_p): Don't handle function local objects
8279         here.
8281         PR c++/72813
8282         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
8283         of c-header.
8285 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
8287         PR driver/78877
8288         * opts.c: Include "spellcheck.h"
8289         (struct string_fragment): New struct.
8290         (struct edit_distance_traits<const string_fragment &>): New
8291         struct.
8292         (get_closest_sanitizer_option): New function.
8293         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
8295 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
8297         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
8298         by 12.
8299         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
8300         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
8301         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
8302         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
8303         for initial die_offset if dwarf_split_debug_info.
8304         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
8305         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
8306         fields.
8307         (output_skeleton_debug_sections): Formatting fix.  Use
8308         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
8309         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
8311 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
8313         * config/arm/cortex-a53.md: Add bypasses for
8314         cortex_a53_r2f_cvt.
8315         (cortex_a53_r2f): Only use for transfers.
8316         (cortex_a53_f2r): Likewise.
8317         (cortex_a53_r2f_cvt): Add reservation for conversions.
8318         (cortex_a53_f2r_cvt): Likewise.
8320 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
8322         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
8323         to all inlined functions, change static to extern.
8325 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
8327         PR target/78253
8328         * config/arm/arm.c (legitimize_pic_address): Handle reference to
8329         weak symbol.
8330         (arm_assemble_integer): Likewise.
8332 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
8334         * config.gcc: Use new awk script to check CPU, FPU and architecture
8335         parameters for --with-... options.
8336         * config/arm/parsecpu.awk: New file
8337         * config/arm/arm-cpus.in: New file.
8338         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
8339         files.
8340         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
8341         files.
8342         * config/arm/t-arm: Update dependency rules.
8343         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
8344         of processing .def files.
8345         * config/arm/genopt.sh: Deleted.
8346         * config/arm/gentune.sh: Deleted.
8347         * config/arm/arm-cores.def: Deleted.
8348         * config/arm/arm-arches.def: Deleted.
8349         * config/arm/arm-fpus.def: Deleted.
8350         * config/arm/arm-tune.md: Regenerated.
8351         * config/arm/arm-tables.opt: Regenerated.
8352         * config/arm/arm-cpu.h: New generated file.
8353         * config/arm/arm-cpu-data.h: New generated file.
8354         * config/arm/arm-cpu-cdata.h: New generated file.
8356 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
8358         PR lto/79042
8359         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
8360         bit.
8361         (input_varpool_node): Unpack dynamically_initialized bit.
8363 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
8365         PR rtl-optimization/79032
8366         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
8367         the alignment of the adjusted memory reference against that of MODE,
8368         instead of the alignment of the original memory reference.
8370 2017-01-11  Martin Jambor  <mjambor@suse.cz>
8372         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
8373         test.
8374         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
8375         decorated functions.
8377 2017-01-11  Richard Biener  <rguenther@suse.de>
8379         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
8380         set range/nonnull info for PHI results.  Do not set it on
8381         stmts marked for removal.
8383 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
8385         * expr.c (store_field): In the bitfield case, fetch the return value
8386         from the registers before applying a single big-endian adjustment.
8387         Always do a final load for a BLKmode value not larger than a word.
8389 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
8391         PR c++/77949
8392         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
8393         that we correctly handle column numbers greater than
8394         LINE_MAP_MAX_COLUMN_NUMBER.
8396 2017-01-10  Martin Sebor  <msebor@redhat.com>
8398         PR middle-end/78245
8399         * gimple-ssa-sprintf.c (get_destination_size): Call
8400         {init,fini}object_sizes.
8401         * tree-object-size.c (addr_object_size): Adjust.
8402         (pass_through_call): Adjust.
8403         (pass_object_sizes::execute): Adjust.
8404         * tree-object-size.h (fini_object_sizes): Declare.
8406 2017-01-10  Martin Sebor  <msebor@redhat.com>
8408         PR tree-optimization/78775
8409         * builtins.c (get_size_range): Move...
8410         * calls.c: ...to here.
8411         (alloc_max_size): Accept zero argument.
8412         (operand_signed_p): Remove.
8413         (maybe_warn_alloc_args_overflow): Call get_size_range.
8414         * calls.h (get_size_range): Declare.
8416 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
8418         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
8419         from TI's devices.csv file as of September 2016.
8420         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
8422 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
8424         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
8425         * doc/invoke.texi: Likewise.
8426         * doc/md.texi: Likewise.
8427         * doc/objc.texi: Likewise.
8429 2017-01-10  Joshua Conner  <joshconner@google.com>
8431         * config/arm/fuchsia-elf.h: New file.
8432         * config/fuchsia.h: New file.
8433         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
8434         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
8435         targets.
8436         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
8438 2016-01-10  Richard Biener  <rguenther@suse.de>
8440         PR tree-optimization/79034
8441         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
8442         Propagate out degenerate PHIs in the joiner.
8444 2017-01-10  Martin Liska  <mliska@suse.cz>
8446         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
8447         (sort_congruence_classes_by_decl_uid): Likewise.
8448         (sort_congruence_class_groups_by_decl_uid): Likewise.
8449         (sem_item_optimizer::merge_classes): Sort class, groups in these
8450         classes and members in the groups by DECL_UID of declarations.
8451         This would make merge operations stable.
8453 2017-01-10  Martin Liska  <mliska@suse.cz>
8455         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
8456         usage of m_classes_vec.
8457         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
8458         (sem_item_optimizer::get_group_by_hash): Likewise.
8459         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
8460         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
8461         (sem_item_optimizer::verify_classes): Likewise.
8462         (sem_item_optimizer::process_cong_reduction): Likewise.
8463         (sem_item_optimizer::dump_cong_classes): Likewise.
8464         (sem_item_optimizer::merge_classes): Likewise.
8465         * ipa-icf.h (congruence_class_hash): Rename from
8466         congruence_class_group_hash.  Remove declaration of m_classes_vec.
8468 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
8470         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
8471         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
8472         * config.gcc: Add avx512vpopcntdqintrin.h.
8473         * config/i386/avx512vpopcntdqintrin.h: New.
8474         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
8475         * config/i386/i386-builtin-types.def: Add new types.
8476         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
8477         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
8478         __builtin_ia32_vpopcountq_v8di_mask): New.
8479         * config/i386/i386-c.c (ix86_target_macros_internal): Define
8480         __AVX512VPOPCNTDQ__.
8481         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
8482         (PTA_AVX512VPOPCNTDQ): Define.
8483         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
8484         TARGET_AVX512VPOPCNTDQ_P): Define.
8485         * config/i386/i386.opt: Add mavx512vpopcntdq.
8486         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
8487         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
8489 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8491         PR middle-end/77484
8492         * predict.def (PRED_CALL): Set to 67.
8494 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8496         * expr.c (store_field): In the bitfield case, if the value comes from
8497         a function call and is of an aggregate type returned in registers, do
8498         not modify the field mode; extract the value in all cases if the mode
8499         is BLKmode and the size is not larger than a word.
8501 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
8503         PR target/71017
8504         * config/i386/cpuid.h: Fix undefined behavior.
8506 2017-01-04  Jeff Law  <law@redhat.com>
8508         PR tree-optimization/79007
8509         PR tree-optimization/67955
8510         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
8511         conservative for pt.null when flag_non_call_exceptions is on.
8513 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
8515         PR translation/79019
8516         PR translation/79020
8517         * params.def (PARAM_INLINE_MIN_SPEEDUP,
8518         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
8519         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
8520         in descriptions.
8521         * config/avr/avr.opt (maccumulate-args): Likewise.
8522         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
8523         * common.opt (freport-bug): Likewise.
8524         * cif-code.def (CIF_FINAL_ERROR): Likewise.
8525         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
8526         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
8527         translatable string.
8528         * config/i386/i386.c (function_value_32): Likewise.
8529         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
8530         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
8531         Likewise.
8532         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
8533         * common/config/msp430/msp430-common.c (msp430_handle_option):
8534         Likewise.
8535         * symtab.c (symtab_node::verify_base): Likewise.
8536         * opts.c (set_debug_level): Likewise.
8537         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
8538         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
8539         missing whitespace to translatable strings.
8540         * config/avr/avr.md (bswapsi2): Fix typo in comment.
8541         * config/sh/superh.h: Likewise.
8542         * config/i386/xopintrin.h: Likewise.
8543         * config/i386/znver1.md: Likewise.
8544         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
8545         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
8546         * double-int.h (struct double_int): Likewise.
8547         * double-int.c (div_and_round_double): Likewise.
8548         * wide-int.cc: Likewise.
8549         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
8550         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
8551         * cfgcleanup.c (crossjumps_occured): Renamed to ...
8552         (crossjumps_occurred): ... this.
8553         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
8554         Adjust all uses.
8556         PR tree-optimization/78899
8557         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
8558         returning bool return struct loop *, NULL for failure and the new
8559         loop on success.
8560         (versionable_outer_loop_p): Don't version outer loop if it has
8561         dont_vectorized bit set.
8562         (tree_if_conversion): When versioning outer loop, ensure
8563         tree_if_conversion is performed also on the inner loop of the
8564         non-vectorizable outer loop copy.
8565         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
8566         LOOP_VECTORIZED in inner loop of the scalar outer loop and
8567         prevent vectorization of it.
8568         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
8569         the outer loop vectorization of the non-scalar version is attempted
8570         before vectorization of the inner loop in scalar version.  If
8571         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
8572         vectorization of its inner loop.
8573         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
8574         has 2 inner loops, rename also on edges from bb whose single pred
8575         is outer_loop->header.  Fix typo in function comment.
8577 2017-01-09  Martin Sebor  <msebor@redhat.com>
8579         PR bootstrap/79033
8580         * asan.c (asan_emit_stack_protection): Increase local buffer size
8581         to avoid snprintf truncation warning.
8583 2017-01-09  Andrew Pinski  <apinski@cavium.com>
8585         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
8586         to reference thunderx2t99 for the tuning structure
8587         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
8588         Rename to ...
8589         (thunderx2t99_extra_costs): This.
8590         * config/aarch64/aarch64-tune.md: Regenerate.
8591         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
8592         (vulcan_addrcost_table): This.
8593         (vulcan_regmove_cost): Rename to ...
8594         (thunderx2t99_regmove_cost): This.
8595         (vulcan_vector_cost): Rename to ...
8596         (thunderx2t99_vector_cost): this.
8597         (vulcan_branch_cost): Rename to ...
8598         (thunderx2t99_branch_cost): This.
8599         (vulcan_tunings): Rename to ...
8600         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
8601         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
8603 2017-01-09  Martin Jambor  <mjambor@suse.cz>
8605         PR ipa/78365
8606         PR ipa/78599
8607         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
8608         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
8609         (propagate_vr_accross_jump_function): Use the above function for all
8610         value range computations for pass-through jump functions and type
8611         converasion from explicit value range values.
8612         (ipcp_propagate_stage): Do not attempt to deduce types of formal
8613         parameters from TYPE_ARG_TYPES.
8614         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
8615         (ipa_write_node_info): Stream type of the actual argument.
8616         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
8618 2017-01-09  Martin Liska  <mliska@suse.cz>
8620         PR pch/78970
8621         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
8622         (lookup_compiler): Do not show error message with have_E.
8624 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
8626         PR tree-optimization/78938
8627         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
8628         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
8629         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
8630         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
8631         fixes.
8633 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8635         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
8636         is const0_rtx.
8638 2017-01-09  Richard Biener  <rguenther@suse.de>
8640         PR tree-optimization/78997
8641         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
8642         name condition properly.
8644 2017-01-09  Richard Biener  <rguenther@suse.de>
8646         PR debug/79000
8647         * dwarf2out.c (is_cxx): New overload with context.
8648         (is_naming_typedef_decl): Use it.
8650 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8652         * invoke.texi (Option Summary): Correct spacing in option lists
8653         and add line breaks to fix over-long lines.
8655 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8657         PR middle-end/17660
8659         * extend.texi (Common Variable Attributes): Add xref to GCC
8660         Internals manual to explain mode attribute keywords.
8662 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8664         PR other/16519
8665         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
8666         and Preprocessor Options.
8667         (Options for Linking): Document -pthread here....
8668         (RS/6000 and PowerPC Options): ...not here.
8669         (Solaris 2 Options): ...or here.
8670         * doc/cppopts.texi: Document -pthread.
8672 2017-01-08  Martin Sebor  <msebor@redhat.com>
8674         PR middle-end/77708
8675         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
8676         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
8677         New member functions.
8678         (format_directive): Used them.
8679         (add_bytes): Same.
8680         (pass_sprintf_length::handle_gimple_call): Same.
8681         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
8682         to avoid truncation for any argument.
8683         (extract_affine_mul): Same.
8684         * tree.c (get_file_function_name): Same.
8686 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8688         PR middle-end/77484
8689         * predict.def (PRED_INDIR_CALL): Set to 86.
8691 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8693         PR preprocessor/54124
8694         * doc/cppopts.texi: Reformat -d subtable to list the full name
8695         of the options.  Add cross-reference to the docs for the general
8696         compiler -d options.
8697         * doc/invoke.texi (Developer Options): Add cross-reference to the
8698         preprocessor-specific -d option documentation.
8700 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8702         PR preprocessor/13498
8703         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
8704         redudant material, and reflect new command-line options.
8705         (System Headers): Likewise.
8707 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8709         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
8710         -isystem, and -idirafter.  Copy-edit.
8711         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
8712         default for -ftrack-macro-expansion.  Delete obsolete and
8713         badly-formatted implementation details about -fdebug-cpp output.
8714         * doc/cppwarnopts.texi: Copy-edit.
8716 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
8718         PR c++/72803
8719         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
8720         that the transition from a max line width >= 1<<10 to narrower
8721         lines works correctly.
8723 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
8725         * doc/options.texi (PerFunction): New.
8726         * opt-functions.awk (switch_flags): Map both Optimization and
8727         PerFunction to CL_OPTIMIZATION.
8728         * opth-gen.awk: Test for PerFunction flag along with
8729         Optimization.
8730         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
8731         it only when the latter is present.  Skip those that don't in
8732         the hash function generator.
8733         * common.opt (fvar-tracking): Mark as PerFunction instead of
8734         Optimization.
8735         (fvar-tracking-assignments): Likewise.
8736         (fvar-tracking-assignments-toggle): Likewise.
8737         (fvar-tracking-uninit): Likewise.
8739 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
8741         PR translation/79018
8742         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
8743         the and store.
8745 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
8747         PR target/57583
8748         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
8749         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
8750         TARGET_LONG_JUMP_TABLE_OFFSETS.
8751         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
8752         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
8753         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
8754         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
8755         * config/m68k/m68k.md (tablejump expander): Likewise.
8756         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
8757         TARGET_LONG_JUMP_TABLE_OFFSETS.
8758         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
8759         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
8761 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
8762             David Holsgrove <david.holsgrove@xilinx.com>
8764         * common/config/microblaze/microblaze-common.c
8765         (TARGET_EXCEPT_UNWIND_INFO): Remove.
8766         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
8767         New prototype.
8768         * config/microblaze/microblaze.c (microblaze_must_save_register)
8769         (microblaze_expand_epilogue, microblaze_return_addr): Handle
8770         calls_eh_return.
8771         (microblaze_eh_return): New function.
8772         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
8773         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
8774         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
8775         * config/microblaze/microblaze.md (eh_return): New pattern.
8777 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
8779         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
8780         GCC_DIAGNOSTIC_STRINGIFY): Define.
8782         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
8784 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8786         * config/arm/arm.md (<mcrr>): New.
8787         (<mrrc>): New.
8788         * config/arm/arm.c (arm_arch5te): New.
8789         (arm_option_override): Set arm_arch5te.
8790         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
8791         and mrrc2.
8792         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
8793         (arm_mcrr_qualifiers): ... this. New.
8794         (MRRC_QUALIFIERS): Define to...
8795         (arm_mrrc_qualifiers): ... this. New.
8796         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
8797         __arm_mrrc2): New.
8798         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
8799         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
8800         (MRRCI, mrrc, MRRC): New.
8801         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
8802         VUNSPEC_MRRC2): New.
8804 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8806         * config/arm/arm.md (<mcr>): New.
8807         (<mrc>): New.
8808         * config/arm/arm.c (arm_coproc_builtin_available): Add
8809         support for mcr, mrc, mcr2 and mrc2.
8810         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
8811         (arm_mcr_qualifiers): ... this. New.
8812         (MRC_QUALIFIERS): Define to ...
8813         (arm_mrc_qualifiers): ... this. New.
8814         (MCR_QUALIFIERS): Define to ...
8815         (arm_mcr_qualifiers): ... this. New.
8816         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
8817         __arm_mrc2): New.
8818         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
8819         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
8820         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
8821         VUNSPEC_MRC2): New.
8823 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8825         * config/arm/arm.md (*ldc): New.
8826         (*stc): New.
8827         (<ldc>): New.
8828         (<stc>): New.
8829         * config/arm/arm.c (arm_coproc_builtin_available): Add
8830         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
8831         (arm_coproc_ldc_stc_legitimate_address): New.
8832         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
8833         'qualifier_const_pointer'.
8834         (LDC_QUALIFIERS): Define to...
8835         (arm_ldc_qualifiers): ... this. New.
8836         (STC_QUALIFIERS): Define to...
8837         (arm_stc_qualifiers): ... this. New.
8838         * config/arm/arm-protos.h
8839         (arm_coproc_ldc_stc_legitimate_address): New.
8840         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
8841         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
8842         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
8843         stc2, stcl, stc2l): New.
8844         * config/arm/constraints.md (Uz): New.
8845         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
8846         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
8847         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
8848         VUNSPEC_STC2L): New.
8850 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8852         * config/arm/arm.md (<cdp>): New.
8853         * config/arm/arm.c (neon_const_bounds): Rename this ...
8854         (arm_const_bounds): ... this.
8855         (arm_coproc_builtin_available): New.
8856         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
8857         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
8858         (CDP_QUALIFIERS): Define to...
8859         (arm_cdp_qualifiers): ... this. New.
8860         (void_UP): Define.
8861         (arm_expand_builtin_args): Add case for 6 arguments.
8862         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
8863         (arm_const_bounds): ... this.
8864         (arm_coproc_builtin_available): New.
8865         * config/arm/arm_acle.h (__arm_cdp): New.
8866         (__arm_cdp2): New.
8867         * config/arm/arm_acle_builtins.def (cdp): New.
8868         (cdp2): New.
8869         * config/arm/iterators.md (CDPI,CDP,cdp): New.
8870         * config/arm/neon.md: Rename all 'neon_const_bounds' to
8871         'arm_const_bounds'.
8872         * config/arm/types.md (coproc): New.
8873         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
8874         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
8875         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
8876         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
8878 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8880         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
8881         (UBINOP_QUALIFIERS): New.
8882         (si_UP): Define.
8883         (acle_builtin_data): New. Change comment.
8884         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
8885         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
8886         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
8887         arm_acle_builtins.def.
8888         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
8889         (arm_init_acle_builtins): New.
8890         (CRC32_BUILTIN): Remove.
8891         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
8892         crc32cb, crc32ch and crc32cw.
8893         (arm_init_crc32_builtins): Remove.
8894         (arm_init_builtins): Use arm_init_acle_builtins rather
8895         than arm_init_crc32_builtins.
8896         (arm_expand_acle_builtin): New.
8897         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
8898         * config/arm/arm_acle_builtins.def: New.
8900 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8902         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
8903         (arm_builtin_datum): ... this.
8904         (arm_init_neon_builtin): Rename to ...
8905         (arm_init_builtin): ... this. Add a new parameters PREFIX
8906         and USE_SIG_IN_NAME.
8907         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
8908         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
8909         'arm_builtin_datum'.
8910         (arm_init_vfp_builtins): Likewise.
8911         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
8912         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
8913         (arm_expand_neon_args): Rename to ...
8914         (arm_expand_builtin_args): ... this. Rename builtin_arg
8915         enum values and differentiate between ARG_BUILTIN_MEMORY
8916         and ARG_BUILTIN_NEON_MEMORY.
8917         (arm_expand_neon_builtin_1): Rename to ...
8918         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
8919         values, arm_expand_builtin_args and add bool parameter NEON.
8920         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
8921         (arm_expand_vfp_builtin): Likewise.
8922         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
8924 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8926         PR middle-end/77484
8927         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
8928         * predict.c (tree_estimate_probability_bb): Reverse direction of
8929         polymorphic call predictor.
8931 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
8933         * passes.c (execute_one_pass): Split out pass-skipping logic into...
8934         (determine_pass_name_match): ...this new function and...
8935         (should_skip_pass_p): ...this new function.
8937 2017-01-06  Nathan Sidwell  <nathan@acm.org>
8939         * ipa-visibility.c (function_and_variable_visibility): Reformat
8940         comments and long lines.  Remove extrneous if.
8941         * symtab.c (symtab_node::make_decl_local): Fix code format.
8942         (symtab_node::set_section_for_node): Fix comment typo.
8944 2017-01-06  Martin Liska  <mliska@suse.cz>
8946         PR bootstrap/79003
8947         * lra-constraints.c: Rename invariant to lra_invariant.
8948         * predict.c (set_even_probabilities): Initialize e to NULL.
8950 2017-01-05  Martin Sebor  <msebor@redhat.com>
8952         PR tree-optimization/78910
8953         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
8954         (format_integer): Correct off-by-one error in the handling
8955         of precision with negative numbers in signed conversions..
8957 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
8959         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
8961 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
8963         PR tree-optimization/71016
8964         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
8965         factor_out_conditional_conversion.  Formatting fix.
8966         (factor_out_conditional_conversion): Add cond_stmt argument.
8967         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
8968         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
8969         Formatting fix.
8971 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
8973         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
8974         read-rtl-function.o, and selftest-rtl.o.
8975         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
8976         (selftest::aarch64_test_loading_full_dump): New function.
8977         (selftest::aarch64_run_selftests): New function.
8978         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
8979         selftest::aarch64_run_selftests.
8980         * config/i386/i386.c
8981         (selftest::ix86_test_loading_dump_fragment_1): New function.
8982         (selftest::ix86_test_loading_call_insn): New function.
8983         (selftest::ix86_test_loading_full_dump): New function.
8984         (selftest::ix86_test_loading_unspec): New function.
8985         (selftest::ix86_run_selftests): Call the new functions.
8986         * emit-rtl.c (maybe_set_max_label_num): New function.
8987         * emit-rtl.h (maybe_set_max_label_num): New decl.
8988         * function.c (instantiate_decls): Guard call to
8989         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
8990         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
8991         "static".
8992         * gensupport.c (gen_reader::gen_reader): Pass "false"
8993         for new "compact" param of rtx_reader.
8994         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
8995         rather than an empty string for NULL strings.
8996         * read-md.c: Potentially include config.h rather than bconfig.h.
8997         Wrap include of errors.h with #ifdef GENERATOR_FILE.
8998         (have_error): New global, copied from errors.c.
8999         (md_reader::read_name): Rename to...
9000         (md_reader::read_name_1): ...this, adding "out_loc" param,
9001         and converting "missing name or number" to returning false, rather
9002         than failing.
9003         (md_reader::read_name): Reimplement in terms of read_name_1.
9004         (md_reader::read_name_or_nil): New function.
9005         (md_reader::read_string): Handle "(nil)" by returning NULL.
9006         (md_reader::md_reader): Add new param "compact".
9007         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
9008         (md_reader::read_file): New method.
9009         * read-md.h (md_reader::md_reader): Add new param "compact".
9010         (md_reader::read_file): New method.
9011         (md_reader::is_compact): New accessor.
9012         (md_reader::read_name): Convert return type from void to file_location.
9013         (md_reader::read_name_or_nil): New decl.
9014         (md_reader::read_name_1): New decl.
9015         (md_reader::m_compact): New field.
9016         (noop_reader::noop_reader): Pass "false" for new "compact" param
9017         of rtx_reader.
9018         (rtx_reader::rtx_reader): Add new "compact" param.
9019         (rtx_reader::read_rtx_operand): Make virtual and convert return
9020         type from void to rtx.
9021         (rtx_reader::read_until): New decl.
9022         (rtx_reader::handle_any_trailing_information): New virtual function.
9023         (rtx_reader::postprocess): New virtual function.
9024         (rtx_reader::finalize_string): New virtual function.
9025         (rtx_reader::m_in_call_function_usage): New field.
9026         (rtx_reader::m_reuse_rtx_by_id): New field.
9027         * read-rtl-function.c: New file.
9028         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
9029         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
9030         (selftest::verify_three_block_rtl_cfg): New decl.
9031         * read-rtl-function.h: New file.
9032         * read-rtl.c: Potentially include config.h rather than bconfig.h.
9033         For host, include function.h, memmodel.h, and emit-rtl.h.
9034         (one_time_initialization): New function.
9035         (struct compact_insn_name): New struct.
9036         (compact_insn_names): New array.
9037         (find_code): Handle insn codes in compact dumps.
9038         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
9039         (bind_subst_iter_and_attr): Likewise.
9040         (add_condition_to_string): Likewise.
9041         (add_condition_to_rtx): Likewise.
9042         (apply_attribute_uses): Likewise.
9043         (add_current_iterators): Likewise.
9044         (apply_iterators): Likewise.
9045         (initialize_iterators): Guard usage of apply_subst_iterator with
9046         #ifdef GENERATOR_FILE.
9047         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
9048         (md_reader::read_mapping): Likewise.
9049         (add_define_attr_for_define_subst): Likewise.
9050         (add_define_subst_attr): Likewise.
9051         (read_subst_mapping): Likewise.
9052         (check_code_iterator): Likewise.
9053         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
9054         logic to...
9055         (one_time_initialization): New function.
9056         (rtx_reader::read_until): New method.
9057         (read_flags): New function.
9058         (parse_reg_note_name): New function.
9059         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
9060         Handle reuse_rtx ids.
9061         Wrap iterator lookup within #ifdef GENERATOR_FILE.
9062         Add parsing support for RTL dumps, mirroring the special-cases in
9063         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
9064         values, and calling handle_any_trailing_information.
9065         (rtx_reader::read_rtx_operand): Convert return type from void
9066         to rtx, returning return_rtx.  Handle case 'e'.  Call
9067         finalize_string on XSTR and XTMPL fields.
9068         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
9069          "(nil)" values were omitted.  Call the postprocess vfunc on the
9070         return_rtx.
9071         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
9072         class ctor.  Initialize m_in_call_function_usage.  Call
9073         one_time_initialization.
9074         * rtl-tests.c (selftest::test_uncond_jump): Call
9075         set_new_first_and_last_insn.
9076         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
9077         * selftest-rtl.c: New file.
9078         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
9079         (selftest::get_insn_by_uid): New decl.
9080         * selftest-run-tests.c (selftest::run_tests): Call
9081         read_rtl_function_c_tests.
9082         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
9083         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
9084         dumps.
9086 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
9088         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
9089         operands in a special way.  Assert that pos+len <= mode precision.
9091 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
9093         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
9094         3 argument Alias with unlimited for the negative form.
9095         (fno-vect-cost-model): Removed.
9097 2017-01-05  Martin Liska  <mliska@suse.cz>
9099         * hsa-gen.c (gen_hsa_divmod): New function.
9100         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
9102 2017-01-05  Martin Liska  <mliska@suse.cz>
9104         PR pch/78970
9105         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
9106         header.
9108 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9110         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
9111         small constant length operands.
9113 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9115         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
9116         between loop iterations.
9118 2017-01-05  Martin Liska  <mliska@suse.cz>
9120         PR sanitizer/78815
9121         * gimplify.c (gimplify_decl_expr): Compare to
9122         asan_poisoned_variables instread of checking flags.
9123         (gimplify_target_expr): Likewise.
9124         (gimplify_expr): Likewise.
9125         (gimplify_function_tree): Conditionally initialize
9126         asan_poisoned_variables.
9128 2017-01-04  Jeff Law  <law@redhat.com>
9130         PR tree-optimizatin/78812
9131         * rtl.h (contains_mem_rtx_p): Prototype.
9132         * ifcvt.c (containts_mem_rtx_p): Move from here to...
9133         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
9134         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
9135         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
9136         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
9138 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9140         * input.c (assert_char_at_range): Default-initialize actual_range.
9142 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9144         * df-scan.c (df_ref_create_structure): Make regno unsigned,
9145         to match the caller.
9147 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9149         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
9150         insns after final jump in test to emit dummy move.
9152 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9154         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
9155         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
9157 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9159         * multiple_target.c (create_dispatcher_calls): Init e_next.
9160         * tree-ssa-loop-split.c (split_loop): Init border.
9161         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
9162         scalar_type.
9164 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9166         PR target/71977
9167         PR target/70568
9168         PR target/78823
9169         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
9170         (altivec_register_operand): Do not return true if the operand
9171         contains a SUBREG mixing SImode and SFmode.
9172         (vsx_register_operand): Likewise.
9173         (vsx_reg_sfsubreg_ok): New predicate.
9174         (vfloat_operand): Do not return true if the operand contains a
9175         SUBREG mixing SImode and SFmode.
9176         (vint_operand): Likewise.
9177         (vlogical_operand): Likewise.
9178         (gpc_reg_operand): Likewise.
9179         (int_reg_operand): Likewise.
9180         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
9181         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
9182         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
9183         SImode and SFmode.
9184         (rs6000_emit_move_si_sf_subreg): New helper function.
9185         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
9186         fixup SUBREGs involving SImode and SFmode.
9187         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
9188         numbers for the new peephole2 optimization.
9189         (peephole2 for SFmode unions): New peephole2 to optimize cases in
9190         the GLIBC math library that do AND/IOR/XOR operations on single
9191         precision floating point.
9192         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
9193         target macros to say whether we need to avoid SUBREGs mixing
9194         SImode and SFmode.
9195         (TARGET_ALLOW_SF_SUBREG): Likewise.
9196         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
9197         (UNSPEC_SI_FROM_SF): Likewise.
9198         (iorxor): Change spacing.
9199         (and_ior_xor): New iterator for AND, IOR, and XOR.
9200         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
9201         (movdi_from_sf_zero_ext): Likewise.
9202         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
9203         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
9204         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
9205         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
9206         (fms<mode>4): Likewise.
9207         (fnma<mode>4): Likewise.
9208         (fnms<mode>4): Likewise.
9209         (nfma<mode>4): Likewise.
9210         (nfms<mode>4): Likewise.
9212 2017-01-04  Marek Polacek  <polacek@redhat.com>
9214         PR c++/64767
9215         * doc/invoke.texi: Document -Wpointer-compare.
9217 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9219         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
9220         RejectNegative.
9222         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
9223         descriptions for -gdwarf-5 and emit them as uleb128 instead of
9224         2-byte data.
9226 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9228         PR target/78056
9229         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
9230         documentation of the powerpc_popcntb_ok attribute.
9231         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
9232         code to issue warning messages if a requested CPU configuration is
9233         not supported by the binary (assembler and loader) toolchain.
9234         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
9235         made to define a built-in function that has been disabled.
9236         (paired_init_builtins): Add assertion to prevent ICE if attempt is
9237         made to define a built-in function that has been disabled.
9238         (altivec_init_builtins): Add comment explaining why definition
9239         of the DST built-in functions is not preceded by an assertion
9240         check.  Add assertions to prevent ICE if attempts are made to
9241         define an altivec predicate or an abs* built-in function that has
9242         been disabled.
9243         (htm_init_builtins): Add comment explaining why definition of the
9244         htm built-in functions is not preceded by an assertion check.
9246 2017-01-04  Jeff Law  <law@redhat.com>
9248         PR tree-optimizatin/67955
9249         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
9250         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
9251         the points-to solution does not include pt_null.  Use DECL_PT_UID
9252         unconditionally.
9254 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
9256         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
9257         Use gen_int_mode instead of gen_lopwart for const_int operands.
9259 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9261         PR tree-optimization/71563
9262         * match.pd: Simplify X << Y into X if Y is known to be 0 or
9263         out of range value - has low bits known to be zero.
9265 2017-01-04  Alan Modra  <amodra@gmail.com>
9267         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
9268         * configure: Regenerate.
9269         * config.in: Regenerate.
9271 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9273         PR bootstrap/77569
9274         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
9275         a substring of the message, but strcmp with the whole message.  Ifdef
9276         ENABLE_NLS, translate the message first using dgettext.
9278 2017-01-03  Jeff Law  <law@redhat.com>
9280         PR tree-optimizatin/78856
9281         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
9282         (mark_threaded_blocks): Remove code to truncate thread paths that
9283         cross multiple loop headers.  Instead invalidate the cached loop
9284         iteration information and handle case of a thread path walking
9285         into an irreducible region.
9287 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
9289         PR target/78900
9290         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
9291         assertions.  Add support for doing the signbit if the IEEE 128-bit
9292         floating point value is in a GPR.
9293         * config/rs6000/rs6000.md (Fsignbit): Delete.
9294         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
9295         Update the length attribute if the value is in a GPR.
9296         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
9297         the sign or zero extension instruction, since the value is always 0/1.
9298         (signbit<mode>2_dm2): Delete using <Fsignbit>.
9300         PR target/78953
9301         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
9302         extracting SImode to a GPR register so that we can generate a
9303         store, limit the vector to be in a traditional Altivec register
9304         for the vextuwrx instruction.
9306 2017-01-03  Ian Lance Taylor  <iant@google.com>
9308         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
9310 2017-01-03  Martin Sebor  <msebor@redhat.com>
9312         PR tree-optimization/78696
9313         * gimple-ssa-sprintf.c (format_floating): Correct handling of
9314         precision.  Use MPFR for %f for greater fidelity.  Correct handling
9315         of %g.
9316         (pass_sprintf_length::compute_format_length): Set width and precision
9317         specified by asrerisk to void_node for vararg functions.
9318         (try_substitute_return_value): Adjust dump output.
9320 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
9322         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
9324 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
9326         * doc/invoke.texi (SPARC options): Document -mlra as the default.
9327         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
9328         -mlra/-mno-lra was passed to the compiler.
9330 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
9332         PR rtl-optimization/65618
9333         * emit-rtl.c (try_split): Move initialization of "before" and
9334         "after" to just before the call to emit_insn_after_setloc.
9336 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
9338         * doc/md.texi (Standard Names): Remove reference to Java frontend.
9340 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
9342         * dwarf2out.c (gen_enumeration_type_die): When
9343         -gno-strict-dwarf, add a DW_AT_encoding attribute.
9345 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
9347         PR tree-optimization/78965
9348         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
9349         Change first argument from const call_info & to call_info &.  For %n
9350         set info.nowrite to false.
9352         PR middle-end/78901
9353         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
9354         possibly throwing calls.
9356         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
9357         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
9358         and fns handling, rather than in a separate case SSA_NAME.
9360 2017-01-02  Jeff Law  <law@redhat.com>
9362         * config/darwin-driver.c (darwin_driver_init): Const-correctness
9363         fixes for first_period and second_period variables.
9365 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
9367         PR target/78967
9368         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
9369         (*insvqi_1): New insn pattern.
9370         (*insvqi_1_mem_rex64): Ditto.
9371         (*insvqi_2): Ditto.
9372         (*insvqi_3): Rename from *insvqi.
9374         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
9376 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
9378         * doc/cfg.texi (Edges): Remove reference to Java.
9379         (Maintaining the CFG): Ditto.
9381 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9383         PR middle-end/77674
9384         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
9385         transparent aliases.
9387 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9389         PR middle-end/77484
9390         * predict.def (PRED_CALL): Update hitrate.
9391         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
9392         * predict.c (tree_estimate_probability_bb): Split CALL predictor
9393         into direct/indirect/polymorphic variants.
9395 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
9397         Update copyright years.
9399         * gcc.c (process_command): Update copyright notice dates.
9400         * gcov-dump.c (print_version): Ditto.
9401         * gcov.c (print_version): Ditto.
9402         * gcov-tool.c (print_version): Ditto.
9403         * gengtype.c (create_file): Ditto.
9404         * doc/cpp.texi: Bump @copying's copyright year.
9405         * doc/cppinternals.texi: Ditto.
9406         * doc/gcc.texi: Ditto.
9407         * doc/gccint.texi: Ditto.
9408         * doc/gcov.texi: Ditto.
9409         * doc/install.texi: Ditto.
9410         * doc/invoke.texi: Ditto.
9412 Copyright (C) 2017 Free Software Foundation, Inc.
9414 Copying and distribution of this file, with or without modification,
9415 are permitted in any medium without royalty provided the copyright
9416 notice and this notice are preserved.