[ARM] Set mode for success result of atomic compare and swap
[official-gcc.git] / gcc / ChangeLog
blobc884760ad98ea1db4bba086793456497cdc94a26
1 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3         * config/arm/iterators.md (CCSI): New mode iterator.
4         (arch): New mode attribute.
5         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
6         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
7         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
8         code iterator for success result mode.
9         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
10         the corresponding new insn generators.
12 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
14         Revert r247509
15         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
18 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
20         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
21         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
22         (DDR_A): Wrap DDR argument in brackets.
23         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
24         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
25         (DDR_REVERSED_P): Likewise.
27 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
29         PR tree-optimization/79472
30         * tree-switch-conversion.c (struct switch_conv_info): Add
31         contiguous_range and default_case_nonstandard fields.
32         (collect_switch_conv_info): Compute contiguous_range and
33         default_case_nonstandard fields, don't clear final_bb if
34         contiguous_range and only the default case doesn't have the required
35         structure.
36         (check_all_empty_except_final): Set default_case_nonstandard instead
37         of failing if contiguous_range and the default case doesn't have empty
38         block.
39         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
40         and only the default case doesn't have the required constants.  Skip
41         virtual phis.
42         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
43         if default_case_nonstandard.
44         (build_constructors): Build constant 1 just once.  Assert that default
45         values aren't inserted in between cases if contiguous_range.  Skip
46         virtual phis.
47         (build_arrays): Skip virtual phis.
48         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
49         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
50         Handle virtual phis.
51         (gen_inbound_check): Handle default_case_nonstandard case.
52         (process_switch): Adjust check_final_bb caller.  Call
53         gather_default_values with the first non-default case instead of
54         default case if default_case_nonstandard.
56 2017-05-02  Nathan Sidwell  <nathan@acm.org>
58         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
59         check.  Fix formatting.
61 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
63         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
64         errors when comparing specialized and unspecialized times.
66 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
68         * diagnostic-show-locus.c
69         (layout::should_print_annotation_line_p): Make private.
70         (layout::print_annotation_line): Make private.
71         (layout::annotation_line_showed_range_p): Make private.
72         (layout::show_ruler): Make private.
73         (layout::print_source_line): Make private.  Pass in line and
74         line_width, rather than calling location_get_source_line.  Drop
75         returned value.
76         (layout::print_leading_fixits): New method.
77         (layout::print_any_fixits): Rename to...
78         (layout::print_trailing_fixits): ...this, and make private.
79         Don't print newline fixits.
80         (diagnostic_show_locus): Move logic for printing one row into...
81         (layout::print_line): ...this new function.  Move the
82         location_get_source_line call and error-handling from
83         print_source_line to here.  Call print_leading_fixits, and rename
84         print_any_fixits to print_trailing_fixits.
85         (selftest::test_fixit_insert_containing_newline): Update now that
86         newlines are partially supported.
87         (selftest::test_fixit_insert_containing_newline_2): New test.
88         (selftest::test_fixit_replace_containing_newline): Update comments.
89         (selftest::diagnostic_show_locus_c_tests): Call the new test.
90         * edit-context.c (class added_line): New class.
91         (class edited_line): Describe newline handling in comment.
92         (edited_line::actually_edited_p): New method.
93         (edited_line::print_content): Delete redundant decl.
94         (edited_line::m_predecessors): New field.
95         (edited_file::print_content): Call edited_line::print_content.
96         (edited_file::print_diff): Update to support newlines.
97         (edited_file::print_diff_hunk): Likewise.
98         (edited_file::print_run_of_changed_lines): New function.
99         (edited_file::print_diff_line): Convert to...
100         (print_diff_line): ...this.
101         (edited_file::get_effective_line_count): New function.
102         (edited_line::edited_line): Initialize new field m_predecessors.
103         (edited_line::~edited_line): Clean up m_predecessors.
104         (edited_line::apply_fixit): Handle newlines.
105         (edited_line::get_effective_line_count): New function.
106         (edited_line::print_content): New function.
107         (edited_line::print_diff_lines): New function.
108         (selftest::test_applying_fixits_insert_containing_newline): New
109         test.
110         (selftest::test_applying_fixits_replace_containing_newline): New
111         test.
112         (selftest::insert_line): New function.
113         (selftest::test_applying_fixits_multiple_lines): Add example of
114         inserting a line.
115         (selftest::edit_context_c_tests): Call the new tests.
117 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
119         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
120         parameter cand.  Update dump information.
121         (get_computation_cost): Update uses.
123 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
125         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
126         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
127         (get_computation_at, rewrite_use_address): Update use of
128         get_computation_aff.
130 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
132         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
133         (get_computation): Delete.
134         (get_computation_cost): Implement like get_computation_cost_at.
135         Use get_computation_at.
136         (get_computation_cost_at): Delete.
137         (rewrite_use_nonlinear_expr): Use get_computation_at.
138         (rewrite_use_compare, remove_unused_ivs): Ditto.
140 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
142         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
144 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
146         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
147         (ivopts_global_cost_for_size): Rename parameter and update uses.
148         (iv_ca_recount_cost): Update uses.
149         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
150         candidates seperately in n_invs and n_cands.
151         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
153 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
155         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
156         (find_inv_vars_cb): New.
157         (find_depends): Renamed to ...
158         (find_inv_vars): ... this.
159         (add_candidate_1, force_var_cost): Call find_inv_vars.
160         (split_address_cost, determine_group_iv_cost_cond): Ditto.
162 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
164         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
165         inv_vars.  Add inv_exprs.
166         (struct iv_cand): Rename depends_on to inv_vars.
167         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
168         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
169         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
170         (dump_cand): Dump inv_vars.
171         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
172         (record_invariant, find_depends, add_candidate_1): Ditto.
173         (set_group_iv_cost, force_var_cost): Ditto.
174         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
175         (get_computation_cost_at, get_computation_cost): Ditto.
176         (determine_group_iv_cost_generic): Ditto.
177         (determine_group_iv_cost_address): Ditto.
178         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
179         (determine_group_iv_costs): Ditto.
180         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
181         (iv_ca_set_remove_invariants): Renamed to ...
182         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
183         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
184         (iv_ca_set_add_invariants):  Renamed to ...
185         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
186         (iv_ca_set_cp): Use iv_ca_set_add_invs.
187         (iv_ca_has_deps): Support inv_vars and inv_exprs.
188         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
189         (create_new_ivs): Remove useless dump.
191 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
193         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
194         iv_cand code.
195         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
196         (iv_ca_set_no_cp, create_new_iv): Ditto.
198 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
200         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
202 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
204         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
205         function tree_check2.
207 2017-05-02  Martin Liska  <mliska@suse.cz>
209         * doc/gcov.texi: Add missing preposition.
210         * gcov.c (function_info::function_info): Properly fill up
211         all member variables.
213 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
215         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
217 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
219         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
221 2017-05-02  Martin Liska  <mliska@suse.cz>
223         PR lto/77954.
224         * lto-streamer-in.c (lto_read_tree_1): Remove
225         LTO_STREAMER_DEBUG.
226         * lto-streamer.c (struct tree_hash_entry): Likewise.
227         (struct tree_entry_hasher): Likewise.
228         (tree_entry_hasher::hash): Likewise.
229         (tree_entry_hasher::equal): Likewise.
230         (lto_streamer_init): Likewise.
231         (lto_orig_address_map): Likewise.
232         (lto_orig_address_get): Likewise.
233         (lto_orig_address_remove): Likewise.
234         * lto-streamer.h: Likewise.
235         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
236         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
238 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
240         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
241         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
242         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
243         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
244         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
245         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
246         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
247         (mm_maskz_sub_ss): New intrinsics.
248         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
249         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
250         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
251         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
252         (__builtin_ia32_subss_mask_round): New builtins.
253         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
254         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
255         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
256         Renamed to ...
257         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
258         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
259         Changed to ...
260         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
261         ... this.
263 2017-05-02  Martin Jambor  <mjambor@suse.cz>
265         PR tree-optimization/78687
266         * tree-sra.c (access): New field parent.
267         (process_subtree_disqualification): New function.
268         (disqualify_candidate): Call it.
269         (build_accesses_from_assign): Reset write flag if creating an
270         assighnment link.
271         (build_access_subtree): Fill in parent field and also prpagate
272         down grp_write flag.
273         (create_artificial_child_access): New parameter set_grp_write, set
274         grp_write to its value.
275         (propagate_subaccesses_across_link): Also propagate grp_write flag
276         values.
277         (propagate_all_subaccesses): Push the closest parent back to work
278         queue if add_access_to_work_queue returned true.
280 2017-05-02  Richard Biener  <rguenther@suse.de>
282         * common.opt (fstrict-overflow): Alias negative to fwrapv.
283         * doc/invoke.texi (fstrict-overflow): Remove all traces of
284         -fstrict-overflow documentation.
285         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
286         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
287         flag_strict_overflow.
288         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
289         * lto-opts.c (lto_write_options): Do not stream it.
290         * lto-wrapper.c (merge_and_complain): Do not handle it.
291         * opts.c (default_options_table): Do not set -fstrict-overflow.
292         (finish_options): Likewise do not clear it when sanitizing.
293         * simplify-rtx.c (simplify_const_relational_operation): Do not
294         test flag_strict_overflow.
296 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
298         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
299         using enabled attribute.
300         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
301         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
302         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
303         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
304         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
305         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
306         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
307         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
308         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
309         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
311 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
313         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
315 2017-05-02  Richard Biener  <rguenther@suse.de>
317         PR tree-optimization/80591
318         Revert
319         2017-04-10  Richard Biener  <rguenther@suse.de>
321         * tree-ssa-structalias.c (find_func_aliases): Properly handle
322         asm inputs.
324 2017-05-02  Richard Biener  <rguenther@suse.de>
326         PR tree-optimization/80549
327         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
328         (cleanup_tree_cfg_noloop): Create forwarders to known loop
329         headers if they do not have a preheader.
331 2017-05-02  Martin Liska  <mliska@suse.cz>
333         PR other/80589
334         * common.opt: Fix typo.
335         * doc/invoke.texi: Likewise.
337 2017-05-01  Jan Beulich  <jbeulich@suse.com>
339         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
340         swapping, add (x,x,m,x,n) alternative.
342 2017-05-01  Nathan Sidwell  <nathan@acm.org>
344         * calls.c (combine_pending_stack_adjustment_and_call): Remove
345         unnecessary unadjusted_alignment check.
347 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
349         PR c++/80038
350         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
351         operations here.
352         * gimplify.c (gimplify_cilk_detach): New function.
353         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
354         * tree-core.h: Document EXPR_CILK_SPAWN.
355         * tree.h (EXPR_CILK_SPAWN): Define. 
357 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
359         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
360         to use new fixit_hint representation, using the "replace" logic.
361         (get_line_span_for_fixit_hint): Likewise.
362         (layout::print_any_fixits): Likewise.
363         (selftest::test_one_liner_many_fixits): Rename to...
364         (selftest::test_one_liner_many_fixits_1): ...this, and update
365         comment and expected output to reflect that the multiple fix-it
366         hints are now consolidated into one insertion.
367         (selftest::test_one_liner_many_fixits_2): New test.
368         (selftest::test_diagnostic_show_locus_one_liner): Update for
369         above.
370         (selftest::test_fixit_consolidation): Update for fix-it API
371         change.
372         * diagnostic.c (print_parseable_fixits): Likewise.
373         * edit-context.c (edited_line::m_line_events): Convert from
374         auto_vec <line_event *> to auto_vec <line_event>.
375         (class line_event): Convert from abstract base class to a concrete
376         class, taking over the role of replace_event.
377         (class insert_event): Delete.
378         (class replace_event): Rename to class line_event.  Convert to
379         half-open range.
380         (edit_context::add_fixits): Reimplement.
381         (edit_context::apply_insert): Delete.
382         (edit_context::apply_replace): Rename to...
383         (edit_context::apply_fixit): ...this.  Convert to half-open range.
384         (edited_file::apply_insert): Delete.
385         (edited_file::apply_replace): Rename to...
386         (edited_file::apply_fixit): ...this.
387         (edited_line::~edited_line): Drop deletion of events.
388         (edited_line::apply_insert): Delete.
389         (edited_line::apply_replace): Rename to...
390         (edited_line::apply_fixit): ...this.  Convert to half-open range.
391         Update for change to type of m_line_events.
392         * edit-context.h (edit_context::apply_insert): Delete.
393         (edit_context::apply_replace): Rename to...
394         (edit_context::apply_fixit): ...this.
396 2017-05-01  Martin Sebor  <msebor@redhat.com>
398         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
399         known.
401 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
403         PR target/68491
404         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
405         __get_cpuid_max returns 0.
406         (__get_cpuid_count): Ditto.
408 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
410         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
411         replacement expression is another instance of one of its arguments.
413 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
415         PR target/79430
416         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
417         check for stack push/pop autoinc.
418         * config/i386/i386.c (ix86_agi_dependent): Return false
419         if the only reason why modified_in_p returned true is that
420         addr is SP based and set_insn is a push or pop.
422 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
424         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
425         overflow check.
427 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
429         PR ipa/79224
430         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
431         (account_size_time): Use two predicates - exec_pred and
432         nonconst_pred_ptr.
433         (evaluate_conditions_for_known_args): Compute both clause and
434         nonspec_clause.
435         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
436         (inline_summary_t::duplicate): Update.
437         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
438         separately.
439         (compute_inline_parameters): Likewise.
440         (estimate_edge_size_and_time): Update caluclation of time.
441         (estimate_node_size_and_time): Compute both time and nonspecialized
442         time.
443         (estimate_ipcp_clone_size_and_time): Update.
444         (inline_merge_summary): Update.
445         (do_estimate_edge_time): Update.
446         (do_estimate_edge_size): Update.
447         (do_estimate_edge_hints): Update.
448         (inline_read_section, inline_write_summary): Stream both new predicates.
449         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
450         as argument.
451         (compute_inlined_call_time): Cleanup.
452         (big_speedup_p): Update.
453         (edge_badness): Update.
454         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
455         (size_time_entry): Replace predicate by exec_predicate and
456         nonconst_predicate.
457         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
458         (estimate_edge_time): Return also nonspec_time.
459         (reset_edge_growth_cache): Update.
461 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
463         PR rtl-optimization/80491
464         * ifcvt.c (noce_process_if_block): When looking for x setter
465         with missing else_bb, don't check only the insn right before
466         cond_earliest, but look for the last insn that x is modified in
467         within the same bb.
469         PR rtl-optimization/80491
470         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
472 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
474         PR tree-optimization/80487
475         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
477 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
479         PR tree-optimization/79697
480         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
481         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
482         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
483         BUILT_IN_STRNDUP.
484         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
485         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
487 2017-04-28  Martin Sebor  <msebor@redhat.com>
489         PR tree-optimization/80523
490         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
491         (init_target_to_host_charmap, target_to_host, target_strtol10): New
492         functions.
493         (maybe_warn, format_directive, parse_directive): Use new functions.
494         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
496 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
498         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
500 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
502         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
503         target_header_dir): Set correctly.
504         * configure: Regenerated.
505         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
506         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
507         instead of SYSTEM_HEADER_DIR.
509 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
511         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
512         (estimate_local_effects): Likewise.
513         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
514         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
515         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
516         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
517         do_estimate_edge_time, estimate_edge_time): Likewise.
518         * ipa-inline-analysis.c (estimate_node_size_and_time,
519         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
520         (estimate_time_after_inlining): Remove.
522 2017-04-28  Martin Liska  <mliska@suse.cz>
524         * doc/gcov.texi: Enhance documentation of gcov.
526 2017-04-28  Martin Liska  <mliska@suse.cz>
528         * doc/gcov.texi: Sort options in alphabetic order.
529         * doc/gcov-dump.texi: Likewise.
530         * doc/gcov-tool.texi: Likewise.
531         * gcov.c (print_usage): Likewise.
532         * gcov-dump.c (print_usage): Likewise.
533         * gcov-tool.c (print_merge_usage_message): Likewise.
534         (print_rewrite_usage_message): Likewise.
535         (print_overlap_usage_message): Likewise.
537 2017-04-28  Martin Liska  <mliska@suse.cz>
539         PR gcov-profile/53915
540         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
542 2017-04-28  Martin Liska  <mliska@suse.cz>
544         PR gcov-profile/79891
545         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
546         is marked by compiler as living on a line.
547         (get_cycles_count): Remove usage of the union.
548         (output_intermediate_file): Likewise.
549         (find_source): Fix GNU coding style.
550         (accumulate_line_counts): Remove old non-all block mode.
551         (output_lines): Remove usage of the union.
552         * profile.c (output_location): Include all BBs, even if
553         belonging to a same line (and file) as a previous BB.
555 2017-04-28  Martin Liska  <mliska@suse.cz>
557         * gcov.c (process_args): Handle new argument 'w'.
558         (read_graph_file): Assign ID to BBs.
559         (output_branch_count): Display BB # if verbose flag is set.
560         (output_lines): Likewise for arcs.
561         (print_usage): Add '--verbose' option help.
562         * doc/gcov.texi: Document --verbose (-w) option.
564 2017-04-28  Martin Liska  <mliska@suse.cz>
566         * gcov.c (struct block_location_info): New struct.
567         (process_file): Fill up the new structure.
568         (read_graph_file): Replace usage of encoding by the newly added
569         struct.
570         (add_line_counts): Likewise.
571         (accumulate_line_counts): Remove usage of the union.
572         (function_info::function_info): New function.
573         (function_info::~function_info): Likewise.
574         (process_file): Call delete instead of release_function.
575         (release_function): Release the function.
576         (release_structures): Call delete instead of release_function.
577         (solve_flow_graph): Replace usage of num_blocks.
578         (find_exception_blocks): Likewise.
579         (output_lines): Fix GNU coding style.
581 2017-04-28  Martin Liska  <mliska@suse.cz>
583         PR driver/56469
584         * coverage.c (coverage_remove_note_file): New function.
585         * coverage.h: Declare the function.
586         * toplev.c (finalize): Clean if an error has been seen.
588 2017-04-28  Martin Liska  <mliska@suse.cz>
590         PR gcov-profile/80031
591         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
592         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
593         * gcov.c (read_graph_file): Read just number of blocks.
594         * profile.c (branch_prob): Do not stream 0 flags per a basic
595         block.
597 2017-04-28  Martin Liska  <mliska@suse.cz>
599         * gcov-dump.c (tag_*): Add new argument to declarations.
600         (dump_gcov_file): Likewise.
601         (tag_blocks): Add and use new argument depth.
602         (tag_arcs): Likewise.
603         (tag_lines): Likewise.
604         (tag_counters): Likewise.
605         (tag_summary): Likewise.
606         (dump_working_sets): Use depth to do a proper indentation.
608 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
610         PR bootstrap/80531
611         * cgraph.h (symtab_node::debug_symtab): No longer inline.
612         * symtab.c (symtab_node::debug_symtab): Move definition here.
614 2017-04-28  Richard Biener  <rguenther@suse.de>
616         * lto-streamer.h (LTO_major_version): Bump to 7.
618 2017-04-28  Richard Biener  <rguenther@suse.de>
620         * tree-vrp.c (assert_info): New struct.
621         (add_assert_info): New helper.
622         (register_edge_assert_for_2): Refactor to add asserts to a vector
623         of assert_info.
624         (register_edge_assert_for_1): Likewise.
625         (register_edge_assert_for): Likewise.
626         (finish_register_edge_assert_for): New helper actually registering
627         asserts where live on edge.
628         (find_conditional_asserts): Adjust.
629         (find_switch_asserts): Likewise.
630         (evrp_dom_walker::try_find_new_range): Generalize.
631         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
633 2017-04-27  Marek Polacek  <polacek@redhat.com>
635         PR sanitizer/80349
636         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
637         arg10 and arg11 to itype.
639 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
641         * doc/extend.texi (Object Size Checking): Improve grammar.
643 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
645         PR target/80530
646         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
647         that the logic for permitting reciprocal estimates matches that
648         in use_rsqrt_p.
650 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
652         PR c++/80534
653         * tree.c (type_cache_hasher::equal): Only compare
654         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
655         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
656         non-aggregate element types.
657         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
658         about the flag on ARRAY_TYPEs in the comment, formatting fix.
660 2017-04-27  Richard Biener  <rguenther@suse.de>
662         PR middle-end/80533
663         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
664         stripping ARRAY_REFs from MEM_EXPR make sure we're not
665         keeping a reference to a trailing array.
667 2017-04-27  Richard Biener  <rguenther@suse.de>
669         PR middle-end/80539
670         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
671         being in loop-closed SSA form conservatively.
672         (chrec_fold_multiply_poly_poly): Likewise.
674 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
676         PR middle-end/79665
677         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
678         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
680 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
682         PR target/77728
683         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
684         (aarch64_function_arg_alignment): Return unsigned int again, but still
685         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
686         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
687         Don't emit -Wpsabi note.
688         (aarch64_function_arg_boundary): Likewise.
689         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
690         caller.
692 2017-04-26  Nathan Sidwell  <nathan@acm.org>
694         * tree.h (crc32_unsigned_n): Declare.
695         (crc32_unsigned, crc32_unsigned): Make inline.
696         * tree.c (crc32_unsigned_bits): Replace with ...
697         (crc32_unsigned_n): ... this.
698         (crc32_unsigned, crc32_byte): Remove.
699         (crc32_string): Remove unnecessary braces.
701 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
703         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
704         * ipa-inline-analysis.c (MAX_TIME): Remove.
705         (account_size_time): Use sreal for time.
706         (dump_inline_summary): Update.
707         (estimate_function_body_sizes): Update.
708         (estimate_edge_size_and_time): Update.
709         (estimate_calls_size_and_time): Update.
710         (estimate_node_size_and_time): Update.
711         (inline_merge_summary): Update.
712         (inline_update_overall_summary): Update.
713         (estimate_time_after_inlining): Update.
714         (inline_read_section): Update.
715         (inline_write_summary): Update.
716         * ipa-inline.c (compute_uninlined_call_time): Update.
717         (compute_inlined_call_time): Update.
718         (recursive_inlining): Update.
719         (inline_small_functions): Update.
720         (dump_overall_stats): Update.
721         * ipa-inline.h: Include sreal.h.
722         (size_time_entry): Turn time to sreal.
723         (inline_summary): Turn self_time nad time to sreal.
725 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
727         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
728         data-streamer.h
729         (sreal::stream_out, sreal::stream_in): New.
730         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
732 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
734         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
735         environment.
737 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
739         PR target/70799
740         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
741         Handle ASHIFTRT.
742         (dimode_scalar_chain::compute_convert_gain): Ditto.
743         (dimode_scalar_chain::make_vector_copies): Ditto.
744         (dimode_scalar_chain::convert_reg): Ditto.
745         (dimode_scalar_chain::convert_insn): Ditto.
746         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
747         (VI248_AVX512BW_1): New mode iterator.
748         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
749         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
750         mode iterator.
752 2017-04-25  Martin Sebor  <msebor@redhat.com>
754         PR tree-optimization/80497
755         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
756         constants are representable in HOST_WIDE_INT.
757         (parse_directive): Ditto.
759 2017-04-25  Martin Sebor  <msebor@redhat.com>
761         PR bootstrap/80486
762         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
763         (new_zero_array): Adjust signature.
764         (dom_info::dom_init): Used unsigned rather that size_t.
765         (dom_info::dom_info): Same.
767 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
768             Jakub Jelinek  <jakub@redhat.com>
770         PR target/77728
771         * config/arm/arm.c: Include gimple.h.
772         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
773         returns negative, increment ncrn only if it returned positive.
774         (arm_needs_doubleword_align): Return int instead of bool,
775         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
776         members, but if there is any such non-FIELD_DECL
777         > PARM_BOUNDARY aligned decl, return -1 instead of false.
778         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
779         returns negative, increment nregs only if it returned positive.
780         (arm_setup_incoming_varargs): Likewise.
781         (arm_function_arg_boundary): Emit -Wpsabi note if
782         arm_needs_doubleword_align returns negative, return
783         DOUBLEWORD_ALIGNMENT only if it returned positive.
785 2017-04-25  Marek Polacek  <polacek@redhat.com>
787         PR sanitizer/80349
788         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
789         first argument to type.
791 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
793         PR target/80482
794         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
795         type checks to test for compatibility instead of equality.
797 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
798             Jakub Jelinek  <jakub@redhat.com>
800         PR target/77728
801         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
802         type.
803         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
804         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
805         the alignment computation, but return their maximum in warn_alignment.
806         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
807         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
808         is smaller.
809         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
810         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
811         caller.
813 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
815         * config/arc/simdext.md (dmpyh): Fix typo.
817 2017-04-25  Richard Biener  <rguenther@suse.de>
819         PR tree-optimization/80492
820         * alias.c (compare_base_decls): Handle registers with asm
821         specification conservatively.
822         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
823         compare_base_decls returning dont-know properly.
825 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
827         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
828         (legitimate_offset_address_p): New function.
829         (arc_legitimate_address_p): Use above function.
831 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
833         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
835 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
837         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
838         ACCH registers whenever they are available.
840 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
842         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
843         double regs fix when not used.
845 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
847         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
848         core registers.
849         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
850         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
852 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
854         * config/arc/arc.c (arc_output_addsi): Check for h-register class
855         when emitting short ADD instructions.
857 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
859         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
860         constraint.
861         (cmpsi_cc_c_insn): Likewise.
862         (cbranchsi4_scratch): Compute proper instruction length using
863         compact_hreg_operand.
864         * config/arc/predicates.md (compact_hreg_operand): New predicate.
866 2017-04-25  Richard Biener  <rguenther@suse.de>
868         PR middle-end/80509
869         * passes.c (pass_manager::pass_manager): Initialize
870         m_name_to_pass_map.
872 2017-04-25  Richard Biener  <rguenther@suse.de>
874         PR tree-optimization/79201
875         * tree-ssa-sink.c (statement_sink_location): Handle calls.
877 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
879         PR target/80464
880         * config/s390/vector.md: Split MEM->GPR vector moves for
881         non-s_operand addresses.
883 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
885         PR target/79895
886         * config/s390/predicates.md (reload_const_wide_int_operand): New
887         predicate.
888         * config/s390/s390.md ("movti"): Remove d/P alternative.
889         ("movti_bigconst"): New pattern definition.
891 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
893         PR target/80080
894         * s390-protos.h (s390_expand_cs_hqi): Removed.
895         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
896         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
897         modes as well as CCZ1mode and CCZmode.
898         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
899         signature of s390_emit_compare_and_swap.
900         (s390_expand_cs_hqi): Likewise, make static.
901         (s390_expand_cs_tdsi): Generate an explicit compare before trying
902         compare-and-swap, in some cases.
903         (s390_expand_cs): Wrapper function.
904         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
905         atomic_exchange.
906         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
907         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
908         patterns for small and large integers.  Forbid symref memory operands.
909         Move expander to s390.c.  Require cc register.
910         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
911         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
912         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
913         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
914         symref memory operands.  Remove CC mode and call s390_match_ccmode
915         instead.
916         ("atomic_exchange<mode>"): Allow and implement all integer modes.
918 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
920         * config/s390/s390.md (define_peephole2): New peephole to help
921         combining the load-and-test pattern with volatile memory.
923 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
925         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
926         with CCZmode for TARGET_Z196.
928 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
930         PR rtl-optimization/80501
931         * combine.c (make_compound_operation_int): Set subreg_code to SET
932         even for AND with mask of the sign bit of mode.
934         PR rtl-optimization/80500
935         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
936         sum's initial value.
938 2017-04-25  Julian Brown  <julian@codesourcery.com>
939             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
941         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
943 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
945         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
947 2017-04-25  Julian Brown  <julian@codesourcery.com>
948             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
950         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
951         (thunderx2t99_sha): New Reservation.
953 2017-04-25  Julian Brown  <julian@codesourcery.com>
954             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
956         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
957         type for 1-element load.
959 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
961         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
963 2017-04-24  Martin Jambor  <mjambor@suse.cz>
965         PR tree-optimization/80293
966         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
967         char arrays not totally scalarizable if it is false.
968         (analyze_all_variable_accesses): Pass correct value in the new
969         parameter.  Add a statistics counter.
971 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
973         PR middle-end/79931
974         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
976 2017-04-24  Richard Biener  <rguenther@suse.de>
978         PR tree-optimization/80494
979         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
980         out for complex types.
982 2017-04-24  Richard Biener  <rguenther@suse.de>
984         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
985         * tree-ssa-sccvn.c (print_scc): Print SCC size.
986         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
987         (DFS): Adjust and never fail.
988         (sccvn_dom_walker::fail): Remove.
989         (sccvn_dom_walker::before_dom_children): Adjust.
990         (run_scc_vn): Likewise and never fail.
991         * tree-ssa-pre.c (pass_pre::execute): Adjust.
992         (pass_fre::execute): Likewise.
994 2017-04-24  Richard Biener  <rguenther@suse.de>
996         PR tree-optimization/79725
997         * tree-ssa-sink.c (statement_sink_location): Return whether
998         failure reason was zero uses.  Move that check later.
999         (sink_code_in_bb): Deal with zero uses by removing the stmt
1000         if possible.
1002 2017-04-24  Richard Biener  <rguenther@suse.de>
1004         PR c++/2972
1005         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
1006         pointer-based references.
1008 2017-04-24  Richard Biener  <rguenther@suse.de>
1010         PR bootstrap/79814
1011         * pass_manager.h (pass_manager::operator new): Remove.
1012         (pass_manager::operator delete): Likewise.
1013         * passes.c (pass_manager::operator new): Remove.
1014         (pass_manager::operator delete): Likewise.
1015         (pass_manager::pass_manager): Zero individual pass members.
1017 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
1019         PR target/70799
1020         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
1021         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
1022         Check "XEXP (src, 1)" operand here.
1023         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
1024         Check "XEXP (src, 1)" operand here.
1025         (dimode_scalar_chain::make_vector_copies): Detect count register
1026         of a shift instruction.  Zero extend count register from QImode
1027         to DImode to satisfy vector shift pattern count operand predicate.
1028         Substitute vector shift count operand with a DImode copy.
1029         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
1030         vector register.
1032 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
1034         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
1035         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
1036         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
1037         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
1038         (UNSPEC_NOREX_MEM): Remove definition.
1040 2017-04-21  Richard Biener  <rguenther@suse.de>
1042         PR tree-optimization/79547
1043         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
1044         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
1045         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
1046         without any constraints.
1048 2017-04-21  Richard Biener  <rguenther@suse.de>
1050         PR tree-optimization/78847
1051         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
1053 2017-04-21  Richard Biener  <rguenther@suse.de>
1055         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
1056         (build_distinct_type_copy): Likewise.
1057         (build_variant_type_copy): Likewise.
1058         * tree.c (build_qualified_type): Pass down mem-stat info.
1059         (build_distinct_type_copy): Likewise.
1060         (build_variant_type_copy): Likewise.
1062 2017-04-21  Richard Biener  <rguenther@suse.de>
1064         PR tree-optimization/80237
1065         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
1066         defaulted to NULL.
1067         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
1068         for a simplified result.
1070 2016-04-21  Richard Biener  <rguenther@suse.de>
1072         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
1073         sth as strict as a simple_iv but a chrec without symbols and an
1074         operand defined in the loop we are peeling (and not some subloop).
1075         (propagate_constants_for_unrolling): Propagate all constants.
1077 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
1079         PR target/79804
1080         * config/i386/i386.c (print_reg): Remove assert for disalowed
1081         regno values, call output_operand_lossage instead.
1083 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
1085         PR target/78090
1086         * config/i386/constraints.md (Yc): New register constraint.
1087         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
1088         Use Yc constraint for alternative 2 of operand 0.  Remove
1089         preferred_for_speed attribute.
1091 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
1093         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
1094         lastprivate clauses in SIMT case.
1096 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
1098         * doc/invoke.texi (-Wextra-semi): Document new warning option.
1100 2017-04-20  Richard Biener  <rguenther@suse.de>
1102         PR tree-optimization/57796
1103         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
1104         as N scalar stores.
1105         (vect_model_load_cost): Cost gathers as N scalar loads.
1107 2017-04-20  Richard Biener  <rguenther@suse.de>
1109         * ggc-page.c (ggc_allocated_p): Rename to ...
1110         (safe_lookup_page_table_entry): ... this and return the lookup
1111         result.
1112         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
1114 2017-04-20  Richard Biener  <rguenther@suse.de>
1116         PR tree-optimization/80453
1117         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
1118         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
1119         from the conditions.
1120         (vn_phi_eq): Pass them down.
1121         (vn_phi_lookup): Record them.
1122         (vn_phi_insert): Likewise.
1124 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1126         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
1127         uninitialized variable warning to avoid buffer overrun.
1129 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
1131         PR other/71250
1132         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
1133         is suppressed for '{ 0 }' in C.
1135 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1137         * BASE-VER: Set to 8.0.0.
1139 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1141         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
1142         priority .init_array and .fini_array section with SECTION_NOTYPE
1143         flag.
1145 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1147         PR middle-end/80423
1148         * tree.h (build_array_type): Add typeless_storage default argument.
1149         * tree.c (type_cache_hasher::equal): Also compare
1150         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
1151         (build_array_type): Add typeless_storage argument, set
1152         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
1153         recursive call.
1154         (build_nonshared_array_type): Adjust build_array_type_1 caller.
1155         (build_array_type): Likewise.  Add typeless_storage argument.
1157 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1158             Jakub Jelinek  <jakub@redhat.com>
1160         PR tree-optimization/80426
1161         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
1162         operation on symbolic operands, also compute the overflow for the
1163         invariant part when the operation degenerates into a negation.
1165 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
1167         PR debug/80461
1168         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
1169         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
1171         PR debug/80436
1172         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
1174 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
1176         PR target/80462
1177         * config/avr/avr.c (tree.h): Include it.
1178         (cgraph.h): Include it.
1179         (avr_encode_section_info): Don't warn for uninitialized progmem
1180         variable if it's just an alias.
1182 2017-04-19  Richard Biener  <rguenther@suse.de>
1184         PR ipa/65972
1185         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
1186         when needed by AutoPGO.
1188 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
1190         PR lto/50345
1191         * doc/lto.texi: Remove an extra 'that'.
1193 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
1195         PR rtl-optimization/80429
1196         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
1197         are only used in debug insns.
1199 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1200             Vladimir Makarov  <vmakarov@redhat.com>
1202         * config/sparc/predicates.md (input_operand): Add comment.  Return
1203         true for any memory operand when LRA is in progress.
1204         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
1206 2017-04-18  Jeff Law  <law@redhat.com>
1208         PR target/74563
1209         * mips.md ({return,simple_return}_internal): Do not overwrite
1210         operands[0].
1212 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1214         PR tree-optimization/80443
1215         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
1216         instead of adding 1, subtract -1 and similarly instead of subtracting
1217         1 add -1.
1219 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
1221         PR rtl-optimization/80357
1222         * haifa-sched.c (tmp_bitmap): New variable.
1223         (model_recompute): Handle duplicate use records.
1224         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
1225         (free_global_sched_pressure_data): Free it.
1227 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1229         Revert:
1230         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1231         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
1232         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
1233         instead of SYSTEM_HEADER_DIR.
1235 2017-04-18  Jeff Law  <law@redhat.com>
1237         PR middle-end/80422
1238         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
1239         predecessors after walking up the insn chain.
1241 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1243         PR debug/80263
1244         * dwarf2out.c (modified_type_die): Try harder not to emit internal
1245         sizetype type into debug info.
1247 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1249         PR target/80099
1250         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
1251         unneeded test for TARGET_UPPER_REGS_SF.
1252         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
1254 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1256         PR sanitizer/80444
1257         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
1258         instead of gsi_after_labels.
1260 2017-04-18  Jeff Law  <law@redhat.com>
1262         * regcprop.c (maybe_mode_change): Avoid creating copies of the
1263         stack pointer.
1265         Revert:
1266         2017-04-13  Jeff Law  <law@redhat.com>
1267         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
1268         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
1270 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
1272         PR target/79453
1273         * config/avr/avr.c (intl.h): Include it.
1274         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
1276 2017-04-18  Martin Liska  <mliska@suse.cz>
1278         PR gcov-profile/78783
1279         * gcov-tool.c (gcov_output_files): Validate that destination
1280         file is either removed by the tool or by a user.
1282 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
1283             Guy Benyei  <guybe@mellanox.com>
1285         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
1286         block, and do not negate it, the stored id is already negative.
1288 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
1290         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
1292 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1294         PR target/80098
1295         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
1296         masks of options that should be turned off if the VSX vector
1297         options are turned off.
1298         (OTHER_P8_VECTOR_MASKS): Likewise.
1299         (OTHER_VSX_VECTOR_MASKS): Likewise.
1300         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
1301         rs6000_disable_incompatible_switches to validate no type switches
1302         like -mvsx.
1303         (rs6000_incompatible_switch): New function to disallow turning on
1304         other vector options if -mno-vsx, -mno-power8-vector, or
1305         -mno-power9-vector are specified.
1307 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1309         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
1311 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1313         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
1314         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
1315         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
1316         (ARG_POINTER_CFA_OFFSET): Likewise.
1318 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1320         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
1321         conditions to take advantage of various optimizations.
1323 2017-04-13  Jeff Law  <law@redhat.com>
1325         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
1326         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
1327         (zero_extendsidi2_dext): Likewise.
1329 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
1331         PR sanitizer/80403
1332         * fold-const.c (fold_ternary_loc): Revert
1333         use op0 instead of fold_convert_loc (loc, type, arg0) part of
1334         2017-04-12 change.
1336 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
1338         PR rtl-optimization/80343
1339         * lra-remat.c (update_scratch_ops): Assign original hard reg to
1340         new scratch pseudo.
1342 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
1344         PR sanitizer/80414
1345         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
1346         to ubsan_encode_value.
1348 2017-04-13  Jeff Law  <law@redhat.com>
1350         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
1351         appearing in DEBUG_INSNs.
1353 2017-04-13  Martin Liska  <mliska@suse.cz>
1355         PR gcov-profile/80413
1356         * gcov-io.c (gcov_write_string): Copy to buffer just when
1357         allocated size is greater than zero.
1359 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
1361         PR debug/80321
1362         * dwarf2out.c (decls_for_scope): Ignore declarations of
1363         current_function_decl in BLOCK_NONLOCALIZED_VARS.
1365 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
1367         PR lto/69953
1368         * ipa-visibility.c (non_local_p): Fix typos.
1369         (localize_node): When localizing symbol in same comdat group,
1370         dissolve the group only when we know external symbols are going
1371         to be privatized.
1372         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
1374 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
1376         PR tree-optimization/79390
1377         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
1378         order does not result in usable sequence, retry with reversed operand
1379         order.
1381         PR sanitizer/80403
1382         PR sanitizer/80404
1383         PR sanitizer/80405
1384         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
1385         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
1386         op0 instead of fold_convert_loc (loc, type, arg0).
1388 2017-04-12  Jeff Law  <law@redhat.com>
1390         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
1391         has a delay slot in the generated code.
1393         * config/cris/cris.md (cris_preferred_reload_class): Return
1394         GENNONACR_REGS rather than GENERAL_REGS.
1396 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
1398         PR c/80163
1399         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
1400         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
1401         signedness of the result type.
1403 2017-04-12  Richard Biener  <rguenther@suse.de>
1404             Jeff Law  <law@redhat.com>
1406         PR tree-optimization/80359
1407         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
1408         trim stores to TARGET_MEM_REFs.
1410 2017-04-12  Richard Biener  <rguenther@suse.de>
1412         PR tree-optimization/79390
1413         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
1414         threading case even more.
1416 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
1418         PR target/80382
1419         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
1420         for quad_address_p for TImode, instead of just not indexed_address.
1422 2017-04-12  Richard Biener  <rguenther@suse.de>
1423             Bernd Edlinger  <bernd.edlinger@hotmail.de>
1425         PR middle-end/79671
1426         * alias.c (component_uses_parent_alias_set_from): Handle
1427         TYPE_TYPELESS_STORAGE.
1428         (get_alias_set): Likewise.
1429         * tree-core.h (tree_type_common): Add typeless_storage flag.
1430         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
1431         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
1432         for types containing members with TYPE_TYPELESS_STORAGE.
1433         (place_field): Likewise.
1434         (layout_type): Likewise for ARRAY_TYPE.
1435         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
1436         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
1437         TYPE_TYPELESS_STORAGE.
1438         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
1440 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
1442         PR sanitizer/80349
1443         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
1444         first argument to type.
1446 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1448         PR target/80376
1449         PR target/80315
1450         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
1451         CONST0_RTX (mode) rather than const0_rtx where appropriate.
1452         (rs6000_expand_binop_builtin): Likewise.
1453         (rs6000_expand_ternop_builtin): Likewise; also add missing
1454         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
1455         vshasigma built-ins.
1456         * doc/extend.texi: Document that vec_xxpermdi's third argument
1457         must be a constant.
1459 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
1461         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
1462         Use shift_const cost parameter when calculating gain of STV shifts.
1464 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
1466         PR rtl-optimization/70478
1467         * lra-constraints.c (process_alt_operands): Check memory for
1468         disfavoring memory insn operand.
1470 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1472         PR middle-end/80100
1473         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
1474         left shift in unsigned HOST_WIDE_INT type.
1476         PR rtl-optimization/80385
1477         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
1478         (not (neg X)) into (plus X -1) for complex or non-integral modes.
1480         PR libgomp/80394
1481         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
1482         if they have any depend clauses.
1484 2017-04-11  Martin Liska  <mliska@suse.cz>
1486         PR ipa/80212
1487         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
1488         * ipa-split.c (split_function): Create a local comdat symbol
1489         if caller is in a comdat group.
1491 2017-04-11  Martin Liska  <mliska@suse.cz>
1493         PR ipa/80212
1494         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
1495         flags.
1497 2017-04-11  Martin Sebor  <msebor@redhat.com>
1499         PR middle-end/80364
1500         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
1501         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
1502         for INTEGER_TYPE.
1503         (directive::set_width, directive::set_precision, format_character):
1504         Adjust.
1505         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
1506         INTEGER_TYPE.
1508 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
1510         PR target/80389
1511         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
1512         conflict, set target->arch_name instead of target->cpu_name.
1514 2017-04-11  Richard Biener  <rguenther@suse.de>
1516         PR tree-optimization/80374
1517         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
1518         build_zero_cst, remove fold_convertible_p check again.
1520 2017-04-11  Martin Liska  <mliska@suse.cz>
1522         PR sanitizer/70878
1523         * ubsan.c (instrument_object_size): Do not instrument register
1524         variables.
1526 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1528         PR target/80381
1529         * config/i386/i386-builtin-types.def
1530         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
1531         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
1532         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
1533         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
1534         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
1535         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
1536         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
1537         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
1538         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
1539         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
1540         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
1541         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
1542         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
1543         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
1544         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
1545         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
1546         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
1547         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
1548         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
1549         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
1550         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
1551         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
1552         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
1553         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
1554         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
1555         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
1556         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
1557         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
1558         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
1559         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
1560         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
1561         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
1562         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
1563         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
1564         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
1565         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
1566         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
1567         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
1568         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
1569         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
1570         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
1571         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
1572         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
1573         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
1574         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
1575         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
1576         aliases.
1577         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
1578         flag to second_arg_count, handle 4 argument function type _COUNT
1579         aliases, handle second_arg_count on second argument rather than last.
1581 2017-04-10  Jeff Law  <law@redhat.com>
1583         PR tree-optimization/80374
1584         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
1585         record anything if we can not convert integer_zero_node to the
1586         desired type.
1588 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1590         PR target/80108
1591         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1592         Enhance special handling given to the TARGET_P9_MINMAX option in
1593         relation to certain other options.
1595 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
1597         PR tree-optimization/80153
1598         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
1599         remove POINTER_PLUS_EXPR's base part directly, rather than through
1600         aff_tree.
1602 2017-04-10  Richard Biener  <rguenther@suse.de>
1603             Bin Cheng  <bin.cheng@arm.com>
1605         PR tree-optimization/80153
1606         * tree-affine.c (aff_combination_to_tree): Get base pointer from
1607         the first element of pointer type aff_tree.  Build result expr in
1608         aff_tree's type.
1609         (add_elt_to_tree): Convert to type unconditionally.  Remove other
1610         fold_convert calls.
1611         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
1612         (rewrite_use_nonlinear_expr): Check invariant using iv information.
1614 2017-04-10  Richard Biener  <rguenther@suse.de>
1616         * tree-ssa-structalias.c (find_func_aliases): Properly handle
1617         asm inputs.
1619 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
1621         PR rtl-optimization/70478
1622         * lra-constraints.c (curr_small_class_check): New.
1623         (update_and_check_small_class_inputs): New.
1624         (process_alt_operands): Update curr_small_class_check.  Disfavor
1625         alternative insn memory operands.  Check available regs for small
1626         class operands.
1628 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
1630         PR target/80057
1631         * config/mips/mips.opt (-mvirt): Update description.
1632         * doc/invoke.texi (-mvirt): Likewise.
1634 2017-04-10  Richard Biener  <rguenther@suse.de>
1636         PR middle-end/80362
1637         * fold-const.c (fold_binary_loc): Look at unstripped ops when
1638         looking for NEGATE_EXPR in -A / -B to A / B folding.
1640 2017-04-10  Martin Liska  <mliska@suse.cz>
1642         PR gcov-profile/80224
1643         * gcov.c (print_usage): Fix usage string.
1644         (get_gcov_intermediate_filename): Remove.
1645         (output_gcov_file): Use both for normal and intermediate format.
1646         (generate_results): Do not initialize special file for
1647         intermediate format.
1649 2017-04-10  Richard Biener  <rguenther@suse.de>
1651         PR tree-optimization/80304
1652         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
1653         for safelen.
1655 2017-04-10  Nathan Sidwell  <nathan@acm.org>
1657         PR target/79905
1658         * config/rs6000/rs6000.c (rs6000_vector_type): New.
1659         (rs6000_init_builtins): Use it.
1661 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1663         * config/arm/arm.md (<mrc>): Add mode to SET source.
1664         (<mrrc>): Likewise.
1666 2017-04-10  Richard Biener  <rguenther@suse.de>
1668         PR middle-end/80344
1669         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
1671 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
1673         PR target/80324
1674         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
1675         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
1676         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
1677         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
1678         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
1679         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
1680         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
1681         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
1682         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
1683         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
1684         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
1685         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
1686         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
1687         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
1688         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
1689         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
1690         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
1691         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
1692         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
1693         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
1694         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
1695         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
1696         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
1698 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
1700         PR rtl-optimization/70478
1701         * lra-constraints.c: Reverse the last patch.
1703 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
1705         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
1706         Add comment for WCHAR_T.
1708 2017-04-08  Martin Liska  <mliska@suse.cz>
1710         Revert:
1711         2017-04-07  Martin Liska  <mliska@suse.cz>
1713         PR ipa/80212
1714         * ipa-split.c (split_function): Add function part to a same comdat
1715         group.
1717 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1719         PR target/80358
1720         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
1722 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
1724         * rs6000/rs6000.c (vec_load_pendulum): Rename...
1725         (vec_pairing): ...to this.
1726         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
1727         (rs6000_sched_init): Adjust for name change.
1728         (struct rs6000_sched_context): Likewise.
1729         (rs6000_init_sched_context): Likewise.
1730         (rs6000_set_sched_context): Likewise.
1732 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
1734         PR target/80322
1735         PR target/80323
1736         PR target/80325
1737         PR target/80326
1738         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
1739         intrinsics.
1740         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
1741         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
1742         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
1744 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
1746         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
1748 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
1750         PR rtl-optimization/70703
1751         * ira-color.c (update_conflict_hard_regno_costs): Use
1752         int64_t instead of HOST_WIDE_INT.
1754 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
1756         PR rtl-optimization/70478
1757         * lra-constraints.c (process_alt_operands): Disfavor alternative
1758         insn memory operands.
1760 2017-04-07  Jeff Law  <law@redhat.com>
1762         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
1763         CALL and NOTE_INSN_CALL_ARG_LOCATION.
1765 2017-04-07  Martin Liska  <mliska@suse.cz>
1767         PR target/79889
1768         * config/aarch64/aarch64.c (aarch64_process_target_attr):
1769         Show error message instead of an ICE.
1771 2017-04-07  Martin Liska  <mliska@suse.cz>
1773         PR ipa/80212
1774         * ipa-split.c (split_function): Add function part to a same comdat
1775         group.
1777 2017-04-07  Richard Biener  <rguenther@suse.de>
1779         PR middle-end/80341
1780         * tree.c (get_unwidened): Also handle ! for_type case for
1781         INTEGER_CSTs.
1782         * convert.c (do_narrow): Split out from ...
1783         (convert_to_integer_1): ... here.  Do not pass final truncation
1784         type to get_unwidened for TRUNC_DIV_EXPR.
1786 2017-04-07  Richard Biener  <rguenther@suse.de>
1788         * tree-affine.c (wide_int_ext_for_comb): Take type rather
1789         than aff_tree.
1790         (aff_combination_const): Adjust.
1791         (aff_combination_scale): Likewise.
1792         (aff_combination_add_elt): Likewise.
1793         (aff_combination_add_cst): Likewise.
1794         (aff_combination_convert): Likewise.
1795         (add_elt_to_tree): Likewise.  Remove unused argument.
1796         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
1798 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1800         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
1801         definition.
1802         * config/arm/arm.c (arm_default_short_enums): Use
1803         ARM_DEFAULT_SHORT_ENUMS.
1804         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
1806 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
1808         PR debug/80234
1809         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
1810         members with redundant out-of-class redeclaration.
1812 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
1814         PR target/80286
1815         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
1816         * config/i386/i386.md (*zero_extendsidi2):
1817         Add (?*x,*x) and (?*v,*v) alternatives.
1819 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
1821         PR target/79733
1822         * config/i386/i386.c (ix86_expand_builtin)
1823         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
1824         mode from insn data. Convert operands to insn operand mode.
1825         Copy operands that don't satisfy insn predicate to a register.
1827 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
1829         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
1830         Update comments.
1832 2017-04-06  Richard Biener  <rguenther@suse.de>
1834         PR tree-optimization/80334
1835         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
1836         preserve alignment of accesses.
1838 2017-04-06  Richard Biener  <rguenther@suse.de>
1840         PR tree-optimization/80262
1841         * tree-sra.c (build_ref_for_offset): Preserve address-space
1842         information.
1843         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
1844         Drop useless address-space information on MEM_REF offsets.
1846 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
1848         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
1850 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
1852         PR rtl-optimization/70703
1853         * ira-color.c (update_conflict_hard_regno_costs): Use
1854         HOST_WIDE_INT instead of long.
1856 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
1858         PR target/80298
1859         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
1860         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
1861         is not defined.
1862         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
1863         for x86_64 target.  Handle -m3dnowa option.
1865 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
1867         PR rtl-optimization/70703
1868         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
1869         (update_conflict_hard_regno_costs): Use long instead of unsigned
1870         arithmetic for cost calculation.
1872 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1873             Bernd Edlinger  <bernd.edlinger@hotmail.de>
1875         PR sanitizer/80308
1876         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
1877         for big endian.
1879 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
1881         PR target/78002
1882         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
1883         ptr_mode with Pmode throughout.
1884         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
1885         into probe_stack_range and use DImode.
1887 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1889         PR target/79890
1890         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
1891         call_eh_return is true.
1893 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1895         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
1896         Initialize last_match_fntype_index.
1898 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1900         PR target/80310
1901         * tree-nvr.c: Include internal-fn.h.
1902         (pass_return_slot::execute): Ignore internal calls without
1903         direct optab.
1905 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1906             Richard Biener  <rguenther@suse.de>
1908         PR c++/80297
1909         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
1910         captures used multiple times, except for the last use.
1911         * generic-match-head.c: Include gimplify.h.
1913 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1915         PR tree-optimization/79390
1916         * target.h (struct noce_if_info): Declare.
1917         * targhooks.h (default_noce_conversion_profitable_p): Declare.
1918         * target.def (noce_conversion_profitable_p): New target hook.
1919         * ifcvt.h (struct noce_if_info): New type, moved from ...
1920         * ifcvt.c (struct noce_if_info): ... here.
1921         (noce_conversion_profitable_p): Renamed to ...
1922         (default_noce_conversion_profitable_p): ... this.  No longer
1923         static nor inline.
1924         (noce_try_store_flag_constants, noce_try_addcc,
1925         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
1926         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
1927         instead of noce_conversion_profitable_p.
1928         * config/i386/i386.c: Include ifcvt.h.
1929         (ix86_option_override_internal): Don't override
1930         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
1931         (ix86_noce_conversion_profitable_p): New function.
1932         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
1933         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
1934         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
1935         * doc/tm.texi: Regenerated.
1937 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1939         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
1940         correction.
1942 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1944         PR target/80307
1945         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
1946         instructions for small multiply cores.
1948 2017-04-04  Jeff Law  <law@redhat.com>
1950         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
1951         added member.
1952         (mips_expand_vec_perm_const): Initialize elements in orig_perm
1953         that are not set by the loop over the elements.
1955 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1957         PR target/80286
1958         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
1959         int mode, convert_modes it to mode as unsigned, otherwise use
1960         lowpart_subreg to mode rather than SImode.
1961         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
1962         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
1963         Use DImode instead of SImode for the shift count operand.
1964         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
1965         Likewise.
1967 2017-04-04  Richard Biener  <rguenther@suse.de>
1969         PR middle-end/80281
1970         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
1971         arithmetic done for the negate or the plus.  Simplify.
1972         (A - (-B) -> A + B): Likewise.
1973         * fold-const.c (split_tree): Make sure to not negate pointers.
1975 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
1977         PR rtl-optimization/60818
1978         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
1979         a compare of comparisons with the thing compared if this results
1980         in a different machine mode.
1982 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
1984         * alias.c (base_alias_check): Fix typo in comment.
1985         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
1986         * cgraphunit.c (symbol_table::compile): Likewise.
1987         * collect2.c (maybe_run_lto_and_relink): Likewise.
1988         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
1989         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
1990         * config/avr/avr.c (avr_map_op_t): Likewise.
1991         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
1992         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
1993         * config/epiphany/epiphany.md (movcc): Likewise.
1994         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
1995         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
1996         Likewise.
1997         * config/mips/mips.c (mips_save_restore_reg): Likewise.
1998         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
1999         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
2000         * config/sh/sh.c (sh_rtx_costs): Likewise.
2001         * fold-const.c (fold_truth_andor): Likewise.
2002         * genautomata.c (collapse_flag): Likewise.
2003         * gengtype.h (struct type::u::s): Likewise.
2004         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
2005         * input.c (FORMAT_AMOUNT): Likewise.
2006         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
2007         (known_aggs_to_agg_replacement_list): Likewise.
2008         * ipa-inline-analysis.c: Likewise.
2009         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
2010         * ipa-polymorphic-call.c
2011         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
2012         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
2013         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
2014         Likewise.
2015         * modulo-sched.c (apply_reg_moves): Likewise.
2016         * omp-expand.c (build_omp_regions_1): Likewise.
2017         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
2018         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
2019         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
2020         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2021         * value-prof.c: Likewise.
2022         * var-tracking.c (val_reset): Likewise.
2024 2017-04-03  Richard Biener  <rguenther@suse.de>
2026         PR tree-optimization/80275
2027         * fold-const.c (split_address_to_core_and_offset): Handle
2028         POINTER_PLUS_EXPR.
2030 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
2032         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
2033         descriptors is at least equal to that of functions.
2035 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
2037         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
2039 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
2041         PR target/80250
2042         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
2043         (mov<IMOD4:mode>): New expander.
2044         (*mov<IMOD4:mode>_internal): New insn and split pattern.
2046 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
2048         PR rtl-optimization/79405
2049         * fwprop.c (propagations_left): New variable.
2050         (forward_propagate_into): Decrement it.
2051         (fwprop_init): Initialize it.
2052         (fw_prop): If the variable has reached zero, stop propagating.
2053         (fwprop_addr): Ditto.
2055 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
2057         PR debug/79255
2058         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
2059         a FUNCTION_DECL, pass it as decl instead of origin to
2060         process_scope_var.
2062 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
2064         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
2065         string.
2067 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
2069         PR target/80107
2070         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
2071         TARGET_VSX_SMALL_INTEGER.
2073 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2075         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
2076         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
2078 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
2080         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
2081         extraction from odd-numbered MSA register.
2083 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
2085         PR middle-end/80173
2086         * expmed.c (store_bit_field_1): Don't attempt to create
2087         a word subreg out of hard registers wider than word if they
2088         have HARD_REGNO_NREGS of 1 for their mode.
2090         PR middle-end/80163
2091         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
2092         conversions to integer types wider than word and pointer.
2094         PR debug/80025
2095         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
2096         (rtx_equal_for_cselib_p): Pass 0 to it.
2097         * cselib.c (cselib_hasher::equal): Likewise.
2098         (rtx_equal_for_cselib_1): Add depth argument.  If depth
2099         is 128, don't look up VALUE locs and punt.  Increment
2100         depth in recursive calls when walking VALUE locs.
2102 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2104         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
2105         (make_gcov_file_name): Use the canonical path name for generating
2106         the MD5 value.
2107         (read_line): Fix handling of files with ascii null bytes.
2109 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
2111         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
2112         to initialise a vector register instead
2113         of using a const_int.
2115 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
2117         PR translation/80189
2118         * gimplify.c (omp_default_clause): Use %qs instead of %s in
2119         diagnostic messages.
2121 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
2123         PR target/80246
2124         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
2125         (dfp_diex_<mode>): Update mode of operand 1.
2126         * doc/extend.texi (dxex, dxexq): Document change to return type.
2127         (diex, diexq): Document change to argument type.
2129 2017-03-30  Martin Jambor  <mjambor@suse.cz>
2131         PR ipa/77333
2132         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
2133         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
2134         it reflects the signature changes performed at the callee side.
2135         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
2136         to cgraph_build_function_type_skip_args.
2137         (build_function_decl_skip_args): Adjust call to the above function.
2139 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
2141         PR target/80206
2142         * config/i386/sse.md
2143         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
2144         register as dest whenever it is a MEM not rtx_equal_p to the
2145         corresponding dup operand, and when forcing into reg move the
2146         reg into the memory afterwards.
2147         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
2148         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
2149         for the force_reg mode.
2150         (avx512vl_vextractf128<mode>): Use register as dest either
2151         always when a MEM, or when it is a MEM not rtx_equal_p to the
2152         corresponding dup operand, or even not when it is a CONST_VECTOR
2153         depending on the mode and lo vs. hi.
2154         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
2155         parens.
2156         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
2157         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
2158         Likewise.  Require that operands[2] is even.
2159         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
2160         Remove extraneous parens.  Require that operands[2] is a multiple
2161         of 4.
2162         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
2163         operands[0] is a MEM if <mask_applied>, the predicates/constraints
2164         disallow memory then.
2166 2017-03-30  Richard Biener  <rguenther@suse.de>
2168         PR tree-optimization/77498
2169         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
2170         to non-constants over backedges.
2172 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
2174         PR rtl-optimization/80233
2175         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
2176         as last_combined_insn.  Do not test for BARRIER_P separately.
2178 2017-03-29  Andreas Schwab  <schwab@suse.de>
2180         PR ada/80146
2181         * calls.c (prepare_call_address): Convert funexp to Pmode before
2182         copying to temp reg.
2184 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2186         PR tree-optimization/80158
2187         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
2188         Handle possible future case of more than one alternate
2189         interpretation.
2190         (replace_rhs_if_not_dup): Likewise.
2191         (replace_one_candidate): Likewise.
2193 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
2195         PR rtl-optimization/80193
2196         * ira.c (ira): Do not check allocation for LRA.
2198 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
2200         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
2201         (nvptx_output_simt_exit): Declare.
2202         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
2203         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
2204         (init_softstack_frame): Move initialization of crtl->is_leaf to...
2205         (nvptx_declare_function_name): ...here.  Emit declaration of local
2206         memory space buffer for omp_simt_enter insn.
2207         (nvptx_output_unisimt_switch): New.
2208         (nvptx_output_softstack_switch): New.
2209         (nvptx_output_simt_enter): New.
2210         (nvptx_output_simt_exit): New.
2211         * config/nvptx/nvptx.h (struct machine_function): New fields
2212         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
2213         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
2214         (UNSPECV_SIMT_EXIT): Ditto.
2215         (omp_simt_enter_insn): New insn.
2216         (omp_simt_enter): New expansion.
2217         (omp_simt_exit): New insn.
2218         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
2220         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
2221         (expand_GOMP_SIMT_ENTER_ALLOC): New.
2222         (expand_GOMP_SIMT_EXIT): New.
2223         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
2224         (GOMP_SIMT_ENTER_ALLOC): Ditto.
2225         (GOMP_SIMT_EXIT): Ditto.
2226         * target-insns.def (omp_simt_enter): New insn.
2227         (omp_simt_exit): Ditto.
2228         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
2229         simt_dlist.
2230         (lower_rec_simd_input_clauses): Implement SIMT privatization.
2231         (lower_rec_input_clauses): Likewise.
2232         (lower_lastprivate_clauses): Handle SIMT privatization.
2234         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
2235         (ompdevlow_adjust_simt_enter): New.
2236         (find_simtpriv_var_op): New.
2237         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
2238         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
2240         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
2241         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
2242         (copy_decl_for_dup_finish): Ditto.
2244         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
2246 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
2248         PR target/53383
2249         * config/i386/i386.c (ix86_option_override_internal): Always
2250         allow -mpreferred-stack-boundary=3 for 64-bit targets.
2252 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
2254         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
2256 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
2258         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
2259         mark new edge's irreducible flag accordign to it.
2260         (vect_do_peeling): Check loop preheader edge's irreducible flag
2261         and pass it to function slpeel_add_loop_guard.
2263 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
2265         PR tree-optimization/80218
2266         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
2267         Update block frequencies and counts.
2269 2017-03-28  Richard Biener  <rguenther@suse.de>
2271         PR tree-optimization/78644
2272         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
2273         of a simplification result we may not use it at all.
2275 2017-03-28  Richard Biener  <rguenther@suse.de>
2277         PR ipa/80205
2278         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
2279         without arguments, generate default definition of a SSA name.
2281 2017-03-28  Richard Biener  <rguenther@suse.de>
2283         PR middle-end/80222
2284         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
2285         TYPE_REF_CAN_ALIAS_ALL references.
2286         * fold-const.c (fold_indirect_ref_1): Likewise.
2288 2017-03-28  Martin Liska  <mliska@suse.cz>
2290         PR ipa/80104
2291         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
2292         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
2294 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
2295             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
2297         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
2298         (EXTRA_SPECS): Define.
2299         (SUBTARGET_EXTRA_SPECS): Likewise.
2300         (SUBTARGET_CPP_SPEC): Likewise.
2301         * config/arc/elf.h (EXTRA_SPECS): Renamed to
2302         SUBTARGET_EXTRA_SPECS.
2303         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
2305 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
2307         * config/arc/simdext.md (vst64_insn): Update pattern.
2308         (vld32wh_insn): Likewise.
2309         (vld32wl_insn): Likewise.
2310         (vld64_insn): Likewise.
2311         (vld32_insn): Likewise.
2313 2017-03-28  Marek Polacek  <polacek@redhat.com>
2315         PR sanitizer/80067
2316         * fold-const.c (fold_comparison): Use protected_set_expr_location
2317         instead of SET_EXPR_LOCATION.
2319 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
2321         * tree.c (add_expr): Avoid name lookup warning.
2323 2017-03-27  Jeff Law  <law@redhat.com>
2325         PR tree-optimization/80216
2326         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
2327         function name.  Limit recursion depth.
2328         (record_temporary_equivalences): Corresponding changes.
2330 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
2332         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
2333         covered first.
2335 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
2337         PR target/80102
2338         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
2339         notes.
2340         * cfgcleanup.c (reg_note_cfa_p): New array.
2341         (insns_have_identical_cfa_notes): New function.
2342         (old_insns_match_p): Don't cross-jump in between /f
2343         and non-/f instructions.  If both i1 and i2 are frame related,
2344         verify all CFA notes, their order and content.
2346 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
2348         PR target/78543
2349         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
2350         HImode and SImode with zero extend to DImode to one insn.
2351         (bswap<mode>2_extenddi): Likewise.
2352         (bswapsi2_extenddi): Likewise.
2353         (bswaphi2_extendsi): Likewise.
2354         (bswaphi2): Combine bswap HImode and SImode into one insn.
2355         Separate memory insns from swapping register.
2356         (bswapsi2): Likewise.
2357         (bswap<mode>2): Likewise.
2358         (bswaphi2_internal): Delete, no longer used.
2359         (bswapsi2_internal): Likewise.
2360         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
2361         store, and gpr<-gpr swap insns.
2362         (bswap<mode>2_store): Likewise.
2363         (bswaphi2_reg): Register only splitter, combine with the splitter.
2364         (bswaphi2 splitter): Likewise.
2365         (bswapsi2_reg): Likewise.
2366         (bswapsi2 splitter): Likewise.
2367         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
2368         the insns into load, store, and register/register insns.
2369         (bswapdi2_ldbrx): Likewise.
2370         (bswapdi2_load): Likewise.
2371         (bswapdi2_store): Likewise.
2372         (bswapdi2_reg): Likewise.
2374 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
2376         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
2377         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
2379 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2381         PR target/80103
2382         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
2383         add comments.
2384         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
2385         special handling for target option conflicts between dform
2386         options (-mpower9-dform, -mpower9-dform-vector,
2387         -mpower9-dform-scalar) and -mno-direct-move.
2389 2017-03-27  Richard Biener  <rguenther@suse.de>
2391         PR tree-optimization/80181
2392         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
2394 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2396         * config/arc/predicates.md (move_double_src_operand): Replace the
2397         call to move_double_src_operand with a call to address_operand.
2399 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2401         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
2402         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
2403         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
2405 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2407         * config/arc/predicates.md (long_immediate_loadstore_operand):
2408         Consider scaled addresses cases.
2410 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
2412         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
2413         restored when in interrupt.
2414         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
2415         doesn't have delay slot.
2417 2017-03-27  Richard Biener  <rguenther@suse.de>
2419         PR ipa/79776
2420         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
2421         inlined thunk clones.
2423 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
2425         PR sanitizer/80168
2426         * asan.c (instrument_derefs): Copy over last operand from
2427         original COMPONENT_REF to the new COMPONENT_REF with
2428         DECL_BIT_FIELD_REPRESENTATIVE.
2429         * ubsan.c (instrument_object_size): Likewise.
2431 2017-03-27  Richard Biener  <rguenther@suse.de>
2433         PR tree-optimization/80170
2434         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
2435         sure DR/SCEV didnt fold in constants we do not see when looking
2436         at the reference base alignment.
2438 2017-03-27  Richard Biener  <rguenther@suse.de>
2440         PR middle-end/80171
2441         * gimple-fold.c (fold_ctor_reference): Properly guard against
2442         NULL return value from canonicalize_constructor_val.
2444 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
2446         PR target/80180
2447         * config/i386/i386.c (ix86_expand_builtin)
2448         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
2449         flags reg setting and flags reg using instructions.
2450         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
2451         clobbering instructions to zero extend op2.
2453 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
2455         * doc/install.texi (Configuration) <--with-aix-soname>:
2456         Update link to AIX ld.
2458 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
2460         PR rtl-optimization/80160
2461         PR rtl-optimization/80159
2462         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
2463         reg_alternate_class into account.
2465 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
2467         PR target/80148
2468         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
2469         to consider in curr_insn_transform.
2471 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
2473         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
2474         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
2475         and emit_mode_inner.
2477 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2479         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
2480         argument to the overloaded builtin variants.  Use the new flag to
2481         deprecate certain builtin variants.
2482         * config/s390/s390-builtin-types.def: Add new builtin types.
2483         * config/s390/s390-builtins.h: Support new flags field for
2484         overloaded builtins.
2485         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
2486         (s390_macro_to_expand): Enable vector float data type.
2487         (s390_cpu_cpp_builtins_internal): Indicate support of the new
2488         builtins by incrementing the __VEC__ version number.
2489         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
2490         vec_xst.
2491         (s390_resolve_overloaded_builtin): Emit error messages depending
2492         on the builtin flags.
2493         * config/s390/s390.c (s390_expand_builtin): Support additional
2494         flags argument.  Change error message to match the messages
2495         emitted in s390-c.c.
2496         * config/s390/s390.md: New UNSPEC_* constants.
2497         (op_type): Add new instruction types.
2498         * config/s390/vecintrin.h: Add new builtins and test data class
2499         constants.
2500         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
2501         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
2502         (VEC_INEXACT, VEC_NOINEXACT): New constants.
2503         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
2504         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
2505         ("vec_mergel<mode>"): V_HW -> VEC_HW.
2507         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
2508         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
2509         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
2510         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
2512         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
2513         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
2514         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
2515         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
2517         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
2518         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
2519         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
2520         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
2521         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
2522         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
2523         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
2525         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
2526         ("vec_scatter_element<V_HW_4:mode>_DI")
2527         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
2528         ("vec_fpint<mode>", "vflls")
2529         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
2530         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
2531         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
2532         ("*vec_cmphe<mode>_cc"): ... these.
2534         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
2535         mode constant instead of magic value.
2537 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2539         * config/s390/s390.c (s390_expand_vec_compare): Support other
2540         vector floating point modes than just V2DF.
2541         (s390_expand_vcond): Likewise.
2542         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
2543         (s390_cannot_change_mode_class): Prevent mode changes between TF
2544         and V1TF in vector registers.
2545         * config/s390/s390.md (DF, SF): New mode attributes.
2546         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
2547         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
2548         SFmode support for VRs.
2549         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
2550         vector fp modes.
2551         (VFT, VF_HW): New mode iterators.
2552         (vw, sdx): New mode attributes.
2553         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
2554         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
2555         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
2556         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
2557         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
2558         also the new vector floating point modes.  Renaming to ...
2560         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
2561         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
2562         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
2563         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
2564         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
2565         ("vec_unordered<mode>"): ... these.
2567         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
2568         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
2569         ("*vec_extendv2df"): New insn definitions.
2571 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2573         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
2574         ("mulditi3_2", "*muldi3_sign"): New patterns.
2575         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
2576         rename the pattern definition.
2578 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2580         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
2581         expander.
2582         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
2584 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2586         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
2587         instruction if possible.
2588         * config/s390/vector.md (vec_halfnumelts): New mode
2589         attribute.
2590         ("*vec_vllezlf<mode>"): New pattern.
2592 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2594         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
2595         ("popcountv4si2", "popcountv2di2"): Rename to ...
2596         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
2597         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
2598         condition.
2599         ("popcount<mode>2_vxe"): New pattern.
2601 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2603         * common/config/s390/s390-common.c (processor_flags_table): Add
2604         arch12.
2605         * config.gcc: Add arch12.
2606         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2607         Default to arch12 for unknown CPU model numbers.
2608         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
2609         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
2610         PROCESSOR_max sanity check.
2611         * config/s390/s390-opts.h (enum processor_type): Add
2612         PROCESSOR_ARCH12.
2613         * config/s390/s390.c (processor_table): Add arch12.
2614         (s390_expand_builtin): Add check for B_VXE flag.
2615         (s390_issue_rate): Add PROCESSOR_ARCH12.
2616         (s390_get_sched_attrmask): Likewise.
2617         (s390_get_unit_mask): Likewise.
2618         (s390_sched_score): Enable z13 scheduling for arch12.
2619         (s390_sched_reorder): Likewise.
2620         (s390_sched_variable_issue): Likewise.
2621         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
2622         PF_VXE.
2623         (s390_tune_attr): Use z13 scheduling also for arch12.
2624         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
2625         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
2626         (TARGET_VXE_P): New macros.
2627         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
2628         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
2629         * config/s390/s390.opt: Add arch12 as processor_type.
2631 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2633         * config/s390/s390.md
2634         ("fixuns_truncdddi2", "fixuns_trunctddi2")
2635         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
2636         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
2638         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
2639         Rename expanders to ...
2641         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
2642         ("fixuns_truncdddi2_emu"): ... these.
2644         ("fixuns_trunc<mode>si2_emu"): New expander.
2646         ("*fixuns_truncdfdi2_z13"): Rename to ...
2647         ("*fixuns_truncdfdi2_vx"): ... this.
2649 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2651         * config/s390/2964.md: Remove the single element vector compare
2652         instructions which are no longer used.
2653         * config/s390/s390.c (s390_select_ccmode): Remove handling of
2654         vector CCmodes.
2655         (s390_canonicalize_comparison): Remove handling of DFmode
2656         compares.
2657         (s390_expand_vec_compare_scalar): Remove function.
2658         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
2659         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
2660         pattern.
2661         ("*cmp<mode>_ccs"): Add wfcdb instruction.
2663 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2665         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
2666         FP zero.
2667         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
2668         will anyway by matched by mov<mode>_64dfp.
2670 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2672         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
2673         vlef/vstef.  Add missing operand to vleif.
2675 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2677         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
2678         pair for all vector types with 64 bit elements.
2679         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
2680         * config/s390/vector.md (V_HW_64): ... here.
2681         (V_128_NOSINGLE): New mode iterator.
2682         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
2683         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
2684         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
2685         ("*vec_load_pairv2di"): Change to ...
2686         ("*vec_load_pair<mode>"): ... this one.
2688 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2690         * config/s390/constraints.md: Add comments.
2691         (jKK): Reject element sizes > 8 bytes.
2692         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
2693         s_operands.
2694         * config/s390/s390.md: Add the s_operand checks formerly in
2695         s390_split_ok_p to various splitters where they are still
2696         required.
2697         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
2698         for 128 bit vectors.  Plus two splitters.
2700 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2702         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
2703         the file.
2705 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2707         PR target/79893
2708         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
2709         error if the boundary argument is not constant.
2711 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
2713         PR rtl-optimization/80112
2714         * loop-doloop.c (doloop_condition_get): Don't check condition
2715         if cmp isn't SET with IF_THEN_ELSE src.
2717 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2719         PR tree-optimization/80158
2720         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
2721         replacing a candidate statement, also replace it for the
2722         candidate's alternate interpretation.
2723         (replace_rhs_if_not_dup): Likewise.
2724         (replace_one_candidate): Likewise.
2726 2017-03-24  Richard Biener  <rguenther@suse.de>
2728         PR tree-optimization/80167
2729         * graphite-isl-ast-to-gimple.c
2730         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
2731         properly.
2732         (translate_isl_ast_to_gimple::get_rename): Likewise.
2734 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2736         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
2737         handling of certain combinations of target options, including the
2738         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
2739         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
2741 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2743         PR target/71436
2744         * config/arm/arm.md (*load_multiple): Add reload_completed to
2745         matching condition.
2747 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2748             Richard Biener  <rguenth@suse.de>
2750         PR tree-optimization/79908
2751         PR tree-optimization/80136
2752         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
2753         been cast away, gimplify_and_add suffices.
2755 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
2757         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
2759 2017-03-23  Richard Biener  <rguenther@suse.de>
2761         PR tree-optimization/80032
2762         * gimplify.c (gimple_push_cleanup): Forced unconditional
2763         cleanups still have to go to the conditional_cleanups
2764         sequence.
2766 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
2768         PR tree-optimization/80072
2769         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
2770         to unsigned int.
2771         (next_operand_entry_id): Change type to unsigned int.
2772         (sort_by_operand_rank): Make sure to return the right return value
2773         even if unsigned fields are bigger than INT_MAX.
2774         (struct oecount): Change cnt and id type to unsigned int.
2775         (oecount_hasher::equal): Formatting fix.
2776         (oecount_cmp): Make sure to return the right return value
2777         even if unsigned fields are bigger than INT_MAX.
2778         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
2780         PR c++/80129
2781         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
2782         TREE_READONLY on result if writing it more than once.
2784         PR sanitizer/80110
2785         * doc/invoke.texi (-fsanitize=thread): Document that with
2786         -fnon-call-exceptions atomics are not able to throw
2787         exceptions.
2789         PR sanitizer/80110
2790         * tsan.c: Include tree-eh.h.
2791         (instrument_builtin_call): Call maybe_clean_eh_stmt or
2792         maybe_clean_or_replace_eh_stmt where needed.
2793         (instrument_memory_accesses): Add cfg_changed argument.
2794         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
2795         if it returned true.
2796         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
2798         PR rtl-optimization/63191
2799         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
2800         wrapper function, moved the whole old content into ...
2801         (ix86_delegitimize_address_1): ... this.  New inline function.
2802         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
2803         true as last argument instead of ix86_delegitimize_address.
2805 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
2807         * config/aarch64/aarch64.c (generic_branch_cost): Copy
2808         cortexa57_branch_cost.
2810 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
2812         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
2814 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2816         PR target/80123
2817         * doc/md.texi (Constraints): Document wA constraint.
2818         * config/rs6000/constraints.md (wA): New.
2819         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
2820         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
2821         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
2822         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
2824 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
2826         PR c++/80029
2827         * gimplify.c (is_oacc_declared): New function.
2828         (oacc_default_clause): Use it to set default flags for acc declared
2829         variables inside parallel regions.
2830         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
2831         declared variables.
2832         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
2833         declare attribute to any decl as necessary.
2835 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2837         PR target/80082
2838         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
2839         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
2840         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
2841         (arm_arch_lpae): This.
2842         * config/arm/arm.c (arm_arch7ve): Rename into ...
2843         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
2844         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
2845         arm_arch_lpae.
2847 2017-03-22  Martin Liska  <mliska@suse.cz>
2849         PR target/79906
2850         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
2851         error message instead of an ICE.
2853 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2855         * doc/extend.texi (6.11 Additional Floating Types): Revise.
2857 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2859         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
2860         comments.
2861         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
2862         comments.
2864 2017-03-21  Martin Sebor  <msebor@redhat.com>
2866         * doc/extend.texi: Use "cannot" instead of "can't."
2867         * doc/hostconfig.texi: Same.
2868         * doc/install.texi: Same.
2869         * doc/invoke.texi: Same.
2870         * doc/loop.texi: Same.
2871         * doc/md.texi: Same.
2872         * doc/objc.texi: Same.
2873         * doc/rtl.texi: Same.
2874         * doc/tm.texi: Same.
2875         * doc/tm.texi.in: Same.
2876         * doc/trouble.texi: Same.
2878 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
2880         PR debug/63238
2881         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
2882         (collect_checksum_attributes): Set it.
2883         (die_checksum_ordered): Use it.
2885 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2887         PR tree-optimization/79908
2888         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
2889         change: For a VA_ARG whose LHS has been cast away, use
2890         force_gimple_operand to construct the side effects.
2892 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
2894         PR translation/80001
2895         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
2896         more amenable to translation.
2897         (oacc_loop_auto_partitions): Likewise.
2899 2017-03-21  Marek Polacek  <polacek@redhat.com>
2900             Martin Sebor  <msebor@redhat.com>
2902         PR tree-optimization/80109
2903         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
2904         on INTEGRAL_TYPE_P.
2906 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
2907             Segher Boessenkool  <segher@kernel.crashing.org>
2909         PR target/80125
2910         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
2911         check reg_used_between_p between insn and one of succ or succ2
2912         depending on if succ is artificial insn not inserted into insn
2913         stream.
2915 2017-03-21  Martin Liska  <mliska@suse.cz>
2917         PR gcov-profile/80081
2918         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
2919         * doc/gcc.texi: Include gcov-dump stuff.
2920         * doc/gcov-dump.texi: New file.
2922 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
2924         PR rtl-optimization/79150
2925         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
2926         conditional jump, if the jump is the last insn of the loop.
2928 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2929             Richard Biener  <rguenth@suse.de>
2931         PR tree-optimization/79908
2932         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
2933         been cast away, use force_gimple_operand to construct the side
2934         effects.
2936 2017-03-21  Martin Liska  <mliska@suse.cz>
2938         PR libfortran/79956
2939         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
2940         to NULL.
2942 2017-03-21  Brad Spengler <spender@grsecurity.net>
2944         PR plugins/80094
2945         * plugin.c (htab_hash_plugin): New function.
2946         (add_new_plugin): Use it and adjust.
2947         (parse_plugin_arg_opt): Adjust.
2948         (init_one_plugin): Likewise.
2950 2017-03-21  Richard Biener  <rguenther@suse.de>
2952         PR tree-optimization/80032
2953         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
2954         if set force the cleanup to happen unconditionally.
2955         (gimplify_target_expr): Push inserted clobbers with force_uncond
2956         to avoid them being removed by control-dependent DCE.
2958 2017-03-21  Richard Biener  <rguenther@suse.de>
2960         PR tree-optimization/80122
2961         * tree-inline.c (copy_bb): Do not expans va-arg packs or
2962         va_arg_pack_len when the inlined call stmt requires pack
2963         expansion itself.
2964         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
2966 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
2968         PR sanitizer/78158
2969         * tsan.c (instrument_builtin_call): If the memory model argument
2970         is not a constant, assume it is valid.
2972         PR c/67338
2973         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
2974         avoid UB.
2976 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
2978         PR rtl-optimization/79910
2979         * combine.c (can_combine_p): Do not allow combining an I0 or I1
2980         if its dest is used by an insn before I2 (other than the combined
2981         insns themselves, which are properly handled already).
2983 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
2985         Revert:
2986         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
2988         * combine.c (record_used_regs): New static function.
2989         (try_combine): Handle situations where there is an additional
2990         instruction between I2 and I3 which needs to have a LOG_LINK
2991         updated.
2993         Revert:
2994         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
2996         * combine.c (try_combine): Delete redundant i1 test.  Call
2997         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
2999 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3001         PR target/80083
3002         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
3003         alternatives 13/14.
3005 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3007         PR tree-optimization/80054
3008         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
3009         the optimization if a PHI or any of its arguments is not dominated
3010         by the candidate's basis.  Use gphi* rather than gimple* as
3011         appropriate.
3012         (replace_profitable_candidates): Clean up a gimple* variable that
3013         should be a gphi* variable.
3015 2017-03-20  Martin Sebor  <msebor@redhat.com>
3017         PR c++/52477
3018         * doc/extend.texi (attribute constructor): Document present limitation.
3020 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3022         PR target/79963
3023         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
3024         __POWER9_VECTOR__ #ifdef control, change template definition to
3025         use Power9-specific built-in function.
3026         (vec_any_eq): Likewise.
3027         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
3028         to control outcomes from this test.
3029         (vector_ae_<mode>p): For VEC_F modes, likewise.
3031 2017-03-20  Ian Lance Taylor  <iant@google.com>
3033         * config/i386/i386.c (ix86_function_regparm): Save an extra
3034         register for -fsplit-stack with DECL_STATIC_CHAIN.
3036 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
3038         PR target/79912
3039         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
3040         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
3042 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
3044         * config/riscv/riscv.c (riscv_print_operand): Use "fence
3045         iorw,ow".
3046         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
3047         iorw,iorw".
3049 2017-03-20  Marek Polacek  <polacek@redhat.com>
3051         PR sanitizer/80063
3052         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
3054 2017-03-20  Richard Biener  <rguenther@suse.de>
3056         PR tree-optimization/80113
3057         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
3058         allocate extra SSA name for PHI def.
3059         (add_close_phis_to_outer_loops): Likewise.
3060         (add_close_phis_to_merge_points): Likewise.
3061         (copy_loop_close_phi_args): Likewise.
3062         (copy_cond_phi_nodes): Likewise.
3064 2017-03-20  Martin Liska  <mliska@suse.cz>
3066         PR middle-end/79753
3067         * tree-chkp.c (chkp_build_returned_bound): Do not build
3068         returned bounds for a LHS that's not a BOUNDED_P type.
3070 2017-03-20  Martin Liska  <mliska@suse.cz>
3072         PR target/79769
3073         PR target/79770
3074         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
3075         COMPLEX_CST and VECTOR_CST.
3077 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3079         PR target/78857
3080         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
3081         target operand.  A new splitter adds the clobber statement in case
3082         the target operand is dead anyway.
3084 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3086         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
3087         to age-old versions of binutils and glibc.
3089 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
3091         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
3093 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
3095         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
3097 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
3099         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
3100         requirement for binutils 2.13.
3102 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
3104         * combine.c (try_combine): Delete redundant i1 test.  Call
3105         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3107 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
3109         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
3110         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
3111         contents.
3112         <riscv64-*-elf>: Re-arrange section
3113         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
3114         <riscv32-*-linux>: Likewise.
3115         <riscv64-*-elf>: Likewise
3116         <riscv64-*-linux>: Likewise.
3118 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
3120         PR target/80052
3121         * aarch64.opt(verbose-cost-dump): Fix typo.
3123 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
3125         PR target/79951
3126         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
3127         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
3129 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
3131         * reload.c (find_reloads): When reloading a nonoffsettable address,
3132         use RELOAD_OTHER for it and its address reloads.
3134         PR rtl-optimization/79910
3135         * combine.c (record_used_regs): New static function.
3136         (try_combine): Handle situations where there is an additional
3137         instruction between I2 and I3 which needs to have a LOG_LINK
3138         updated.
3140 2017-03-17  Jeff Law  <law@redhat.com>
3142         PR tree-optimization/71437
3143         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
3144         conditional in the hash table first.
3145         (vrp_dom_walker::before_dom_children): Extract condition from
3146         ASSERT_EXPR.  Record condition, its inverion and any implied
3147         conditions as well.
3149 2017-03-17  Marek Polacek  <polacek@redhat.com>
3150             Markus Trippelsdorf  <markus@trippelsdorf.de>
3152         PR tree-optimization/80079
3153         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
3154         m_stores_head.
3156 2017-03-17  Richard Biener  <rguenther@suse.de>
3158         PR middle-end/80075
3159         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
3160         Properly verify the LHS before the RHS possibly claims to be
3161         handled.
3162         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
3163         do not throw.
3165 2017-03-17  Martin Jambor  <mjambor@suse.cz>
3167         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
3168         (List of -O2 options): Likewise.
3169         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
3170         (-fipa-vrp) New.
3172 2017-03-17  Tom de Vries  <tom@codesourcery.com>
3174         * gcov-dump.c (print_usage): Print bug_report_url.
3176 2017-03-17  Richard Biener  <rguenther@suse.de>
3178         PR middle-end/80050
3179         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
3180         (parser::peek): Likewise.
3182 2017-03-17  Richard Biener  <rguenther@suse.de>
3184         PR tree-optimization/80048
3185         * sese.c (free_sese_info): Properly release rename_map and
3186         copied_bb_map elements.
3188 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
3190         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
3191         Add linked-list forward and backlinks.  Insert on
3192         construction, remove on destruction.
3193         (class pass_store_merging): Add m_stores_head field.
3194         (pass_store_merging::terminate_and_process_all_chains):
3195         Iterate over m_stores_head list.
3196         (pass_store_merging::terminate_all_aliasing_chains):
3197         Likewise.
3198         (pass_store_merging::execute): Check for debug stmts first.
3199         Push new chains onto the m_stores_head stack.
3201 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
3203         PR target/71294
3204         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
3205         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
3206         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
3208 2017-03-16  Jeff Law  <law@redhat.com>
3210         PR tree-optimization/71437
3211         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
3212         member function.  Implementation moved into after_dom_children
3213         member function and into the threader's thread_outgoing_edges
3214         function.
3215         (dom_opt_dom_walker::after_dom_children): Simplify by moving
3216         some code into new thread_outgoing_edges.
3217         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
3218         definition.  Simplify marker handling (do it here).   Assume we always
3219         have the available expression and the const/copies tables.
3220         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
3221         and tree-vrp.c
3222         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
3223         * tree-vrp.c (equiv_stack): No longer file scoped.
3224         (vrp_dom_walker): New class.
3225         (vrp_dom_walker::before_dom_children): New member function.
3226         (vrp_dom_walker::after_dom_children): Likewise.
3227         (identify_jump_threads):  Setup domwalker.  Use it rather than
3228         walking edges in a random order by hand.  Simplify setup/finalization.
3229         (finalize_jump_threads): Remove.
3230         (vrp_finalize): Do not call identify_jump_threads here.
3231         (execute_vrp): Do it here instead and call thread_through_all_blocks
3232         here too.
3234         PR tree-optimization/71437
3235         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
3236         callers changed.
3237         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
3238         callers changed.
3239         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
3240         (dom_opt_dom_walker::thread_across_edge): Remove
3241         handle_dominating_asserts argument.  All callers changed.
3242         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
3243         changes.  Remove calls to lhs_of_dominating_assert.  Other
3244         uses of handle_dominating_asserts turn into unconditional code
3245         (simplify_control_stmt_condition_1): Likewise.
3246         (simplify_control_stmt_condition): Likewise.
3247         (thread_through_normal_block, thread_across_edge): Likewise.
3248         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
3249         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
3250         object if it is not an SSA_NAME.
3251         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
3252         before calling into the VRP specific simplifiers.
3253         (identify_jump_threads): Remove handle_dominating_asserts
3254         argument.
3256 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
3258         PR fortran/79886
3259         * tree-diagnostic.c (default_tree_printer): No longer static.
3260         * tree-diagnostic.h (default_tree_printer): New prototype.
3262 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
3264         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
3265         Change ins into fmov.
3267 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3269         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
3270         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
3271         Use h_con constraint for operand 1.
3272         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
3273         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
3275 2017-03-15  Jeff Law  <law@redhat.com>
3277         PR tree-optimization/71437
3278         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
3279         (record_temporary_equivalences): Use it.
3281         PR tree-optimization/71437
3282         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
3283         tree-ssa-scopedtables.
3284         (lookup_avail_expr, build_and_record_new_cond): Likewise.
3285         (record_conditions, record_cond, vuse_eq): Likewise.
3286         (record_edge_info): Adjust to API tweak of record_conditions.
3287         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
3288         (record_temporary_equivalences, optimize_stmt): Likewise.
3289         (eliminate_redundant_computations): Likewise.
3290         (record_equivalences_from_stmt): Likewise.
3291         * tree-ssa-scopedtables.c: Include options.h and params.h.
3292         (vuse_eq): New function, moved from tree-ssa-dom.c
3293         (build_and_record_new_cond): Likewise.
3294         (record_conditions): Likewise.  Accept vector of conditions rather
3295         than edge_equivalence structure for first argument.
3296         for the first argument.
3297         (avail_exprs_stack::lookup_avail_expr): New member function, moved
3298         from tree-ssa-dom.c.
3299         (avail_exprs_stack::record_cond): Likewise.
3300         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
3301         from tree-ssa-dom.c.
3302         (avail_exprs_stack): Add new member functions lookup_avail_expr
3303         and record_cond.
3304         (record_conditions): Declare.
3306 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
3308         PR target/80017
3309         * lra-constraints.c (process_alt_operands): Increase reject for
3310         reloading an input/output operand.
3312 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3314         PR target/79038
3315         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
3316         insns to convert from signed/unsigned char/short to IEEE 128-bit
3317         floating point.
3318         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
3320 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
3322         PR target/80019
3323         * config/i386/i386.c (ix86_vector_duplicate_value): Create
3324         subreg of inner mode for values already in registers.
3326 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
3328         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
3329         iteration reg is used after the loop.
3331 2017-03-14  Martin Sebor  <msebor@redhat.com>
3333         PR tree-optimization/79800
3334         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
3335         precision in negative-positive range.
3336         (format_floating): Call non-const overload with adjusted precision.
3338 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3340         PR target/79947
3341         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
3342         -mpowerpc-gfxopt.
3344 2017-03-14  Martin Sebor  <msebor@redhat.com>
3346         PR middle-end/80020
3347         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
3348         * builtins.def (aligned_alloc): Use it.
3350         PR c/79936
3351         * Makefile.in (GTFILES): Add calls.c.
3352         * calls.c: Include "gt-calls.h".
3354 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3356         PR rtl-optimization/79728
3357         * regs.h (struct target_regs): New field
3358         x_contains_allocatable_regs_of_mode.
3359         (contains_allocatable_regs_of_mode): New macro.
3360         * reginfo.c (init_reg_sets_1): Initialize it, and change
3361         contains_reg_of_mode so it includes global regs as well.
3362         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
3363         rather than contains_regs_of_mode.
3365 2017-03-14  Martin Liska  <mliska@suse.cz>
3367         * doc/invoke.texi: Document options that can't be combined with
3368         -fcheck-pointer-bounds.
3370 2017-03-14  Martin Liska  <mliska@suse.cz>
3372         PR middle-end/79831
3373         * doc/invoke.texi (-Wchkp): Document the option.
3375 2017-03-14  Martin Liska  <mliska@suse.cz>
3377         * Makefile.in: Install gcov-dump.
3379 2017-03-14  Martin Liska  <mliska@suse.cz>
3381         * multiple_target.c (expand_target_clones): Bail out for
3382         an invalid attribute.
3384 2017-03-14  Richard Biener  <rguenther@suse.de>
3386         * alias.c (struct alias_set_entry): Pack properly.
3387         * cfgloop.h (struct loop): Likewise.
3388         * cse.c (struct set): Likewise.
3389         * ipa-utils.c (struct searchc_env): Likewise.
3390         * loop-invariant.c (struct invariant): Likewise.
3391         * lra-remat.c (struct cand): Likewise.
3392         * recog.c (struct change_t): Likewise.
3393         * rtl.h (struct address_info): Likewise.
3394         * symbol-summary.h (function_summary): Likewise.
3395         * tree-loop-distribution.c (struct partition): Likewise.
3396         * tree-object-size.c (struct object_size_info): Likewise.
3397         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
3398         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
3399         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
3400         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
3401         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
3402         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
3403         (struct _stmt_vec_info): Likewise.
3405 2017-03-14  Martin Liska  <mliska@suse.cz>
3407         PR target/79892
3408         * multiple_target.c (create_dispatcher_calls): Check that
3409         a target can create a function dispatcher.
3411 2017-03-14  Martin Liska  <mliska@suse.cz>
3413         PR lto/66295
3414         * multiple_target.c (expand_target_clones): Drop local.local
3415         flag for default implementation.
3417 2017-03-14  Richard Biener  <rguenther@suse.de>
3419         PR tree-optimization/80030
3420         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
3422 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
3424         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
3425         gcc_fallthrough() instead of __attribute__((fallthrough));
3427 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
3429         * doc/gcc.texi: Remove "up" link to (DIR).
3430         * doc/gccint.texi: Ditto.
3432 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
3434         * doc/install.texi (Specific) <avr>: Remove reference to
3435         binutils 2.13.
3437 2017-03-13  Jeff Law  <law@redhat.com>
3439         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
3440         attribute rather than comments.
3442         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
3443         match_scratch operand is highest.
3445 2017-03-13  Martin Liska  <mliska@suse.cz>
3447         PR middle-end/78339
3448         * ipa-pure-const.c (warn_function_noreturn): If the declarations
3449         is a CHKP clone, use original declaration.
3451 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3453         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
3454         (arc_conditional_register_usage): Use a different allocation order
3455         when optimizing for size.
3456         * common/config/arc/arc-common.c (arc_option_optimization_table):
3457         Section anchors default on when optimizing for size.
3459 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3461         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
3463 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3465         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
3466         * config/arc/arc.md (cpu_facility): Add cd variant.
3467         (*movqi_insn): Add code density variant.
3468         (*movhi_insn): Likewise.
3469         (*movqi_insn): Likewise.
3470         (*addsi3_mixed): Likewise.
3471         (subsi3_insn): Likewise.
3473 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3475         * config/arc/arc.md (movsi_cond_exec): Update constraint.
3477 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3479         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
3480         expressions with MINUS and UNARY ops.
3482 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3484         PR target/79911
3485         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
3486         Rename to...
3487         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
3488         between vec_select and vector argument.
3489         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
3490         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
3491         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
3492         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
3493         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
3494         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
3496 2017-03-13  Richard Biener  <rguenther@suse.de>
3498         PR other/79991
3499         * params.def (vect-max-peeling-for-alignment): Fix typo.
3501 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3503         * doc/install.texi (Specific) <mips-*-*>: Remove description of
3504         issue that only occurred with binutils below 2.18.
3506 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3508         * doc/install.texi (Specific) <cris-axis-elf>: No longer
3509         refer to binutils 2.11/2.12 minimum.
3511 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3513         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
3514         ftp.kernel.org and simplify binutils requirement.
3516 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
3518         * doc/invoke.texi (Warning Options): Fix spelling of link-time
3519         optimization.
3520         (Optimize Options): Ditto.  Also remove redundancy.
3522 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3524         PR translation/79848
3525         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
3526         "%qs".
3527         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
3528         to G_ to avoid double translation.
3530 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3532         PR translation/79923
3533         * auto-profile.c (get_combined_location): Convert leading
3534         character of diagnostics to lower case and remove trailing period.
3535         (read_profile): Likewise for various diagnostics.
3536         * config/arm/arm.c (arm_option_override): Remove trailing period
3537         from various diagnostics.
3538         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
3539         (msp430_expand_delay_cycles): Likewise.
3541 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3543         PR target/79925
3544         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
3545         full command-line argument, rather than just "str".
3546         (aarch64_validate_march): Likewise.
3547         (aarch64_validate_mtune): Likewise.
3549 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
3551         PR rtl-optimization/78911
3552         * lra-assigns.c (must_not_spill_p): New function.
3553         (spill_for): Use it.
3555 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3557         PR tree-optimization/79981
3558         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
3559         ATOMIC_COMPARE_EXCHANGE ifn result.
3560         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
3561         IFN_ATOMIC_COMPARE_EXCHANGE.
3563 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3565         PR driver/79875
3566         * opts.c (parse_sanitizer_options): Add missing question mark to
3567         "did you mean" message.
3569 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3571         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
3572         built-in.
3573         (VMULEUH_UNS): Likewise.
3574         (VMULOUB_UNS): Likewise.
3575         (VMULOUH_UNS): Likewise.
3576         * config/rs6000/rs6000.c (builtin_function_type): Remove
3577         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
3579 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3581         PR bootstrap/79952
3582         * read-rtl-function.c (function_reader::read_rtx_operand): Update
3583         x with result of extra_parsing_for_operand_code_0.
3584         (function_reader::extra_parsing_for_operand_code_0): Convert
3585         return type from void to rtx, returning x.  When reading
3586         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
3587         larger size containing struct block_symbol.
3589 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
3591         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
3592         -mfloat128-hardware without -m64.
3594 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
3596         PR target/79941
3597         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
3598         entries to the case statement that marks unsigned arguments to
3599         overloaded functions.
3601 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3603         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
3604         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
3606 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
3608         PR target/79907
3609         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
3610         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
3612 2017-03-10  Martin Liska  <mliska@suse.cz>
3614         PR target/65705
3615         PR target/69804
3616         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
3617         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
3618         FIELD != NULL.
3620 2017-03-10  Olivier Hainque  <hainque@adacore.com>
3622         * tree-switch-conversion (array_value_type): Start by resetting
3623         candidate type to it's main variant.
3625 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3627         PR rtl-optimization/79909
3628         * combine.c (try_combine): Use simplify_replace_rtx on individual
3629         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
3630         of the whole CALL_INSN_FUNCTION_USAGE.
3632         PR tree-optimization/79972
3633         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
3634         get_range_info on SSA_NAMEs.  Formatting fixes.
3636 2017-03-10  Richard Biener  <rguenther@suse.de>
3637             Jakub Jelinek  <jakub@redhat.com>
3639         PR tree-optimization/77975
3640         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
3641         edge to be constant.
3642         (get_val_for): For constant x return it.  Formatting fix.
3643         (loop_niter_by_eval): Avoid pointless looping if the next iteration
3644         would use the same bases as the current one.
3646 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3648         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
3649         instead of vec_select for V1TImode.
3650         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
3651         longer needed.
3652         (VSX_LE_128): Add V1TI to this mode iterator.
3653         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
3654         (*vsx_le_perm_store_<mode>): Likewise.
3655         (pre-reload splitter for VSX stores): Likewise.
3656         (post-reload splitter for VSX stores): Likewise.
3657         (*vsx_xxpermdi2_le_<mode>): Likewise.
3658         (*vsx_lxvd2x2_le_<mode>): Likewise.
3659         (*vsx_stxvd2x2_le_<mode>): Likewise.
3661 2017-03-09  Michael Eager  <eager@eagercon.com>
3663         Correct failures with --enable-checking=yes,rtl.
3665         * config/microblaze/microblaze.c (microblaze_expand_shift):
3666         Replace GET_CODE test with CONST_INT_P and INTVAL test with
3667         test for const0_rtx.
3668         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
3669         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
3671 2017-03-09  Richard Biener  <rguenther@suse.de>
3673         PR tree-optimization/79977
3674         * graphite-scop-detection.c (scop_detection::merge_sese):
3675         Handle the case of extra exits to blocks dominating the entry.
3677 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
3679         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
3680         Document rdynamic.
3682 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
3684         PR rtl-optimization/79949
3685         * lra-constraints.c (process_alt_operands): Check memory when
3686         trying to predict a cycle.  Print about the overall increase.
3688 2017-03-09  Richard Biener  <rguenther@suse.de>
3690         PR middle-end/79971
3691         * gimple-expr.c (useless_type_conversion_p): Preserve
3692         TYPE_SATURATING for fixed-point types.
3694 2017-03-09  Richard Biener  <rguenther@suse.de>
3696         PR ipa/79970
3697         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
3698         alignment of BLKmode params.
3700 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3702         PR target/79913
3703         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
3704         (VALL_NO_V2Q): Likewise.
3705         (VDQF_DF): Delete.
3706         * config/aarch64/aarch64-simd.md
3707         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
3708         iterator.
3709         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
3710         VALL_NO_V2Q mode iterator.
3711         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
3713 2017-03-09  Martin Liska  <mliska@suse.cz>
3715         PR tree-optimization/79631
3716         * tree-chkp-opt.c (chkp_is_constant_addr): Call
3717         tree_int_cst_sign_bit just for INTEGER constants.
3719 2017-03-09  Martin Liska  <mliska@suse.cz>
3721         PR target/65705
3722         PR target/69804
3723         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
3724         sanitizers.
3726 2017-03-09  Marek Polacek  <polacek@redhat.com>
3728         PR c++/79672
3729         * tree.c (inchash::add_expr): Handle TREE_VEC.
3731 2017-03-09  Martin Liska  <mliska@suse.cz>
3733         PR ipa/79764
3734         (chkp_narrow_size_and_offset): New function.
3735         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
3736         (void chkp_parse_bit_field_ref): New function.
3737         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
3738         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
3740 2017-03-09  Martin Liska  <mliska@suse.cz>
3742         PR ipa/79761
3743         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
3744         (chkp_find_bounds_1): Remove gcc_unreachable.
3746 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
3748         PR sanitizer/79944
3749         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
3750         BUILT_IN_SYNC*, determine the access type from the size suffix and
3751         always build a MEM_REF with that type.  Handle forgotten
3752         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
3754         PR target/79932
3755         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
3756         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
3757         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
3758         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
3759         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
3760         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
3761         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
3762         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
3763         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
3764         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
3765         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
3766         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
3767         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
3768         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
3769         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
3770         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
3771         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
3772         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
3773         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
3774         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
3775         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
3776         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
3777         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
3778         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
3779         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
3780         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
3781         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
3782         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
3783         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
3784         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
3785         definitions outside of __OPTIMIZE__ guarded section.
3787         PR target/79932
3788         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
3789         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
3790         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
3791         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
3792         guarded section.
3794 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3796         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
3797         ("vfenez<mode>"): Add missing constraints.
3799 2017-03-08  Martin Sebor  <msebor@redhat.com>
3801         PR target/79928
3802         * config/nds32/nds32.c (nds32_option_override):
3803         Fix misspelled diagnostic.
3805 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3807         PR c/79940
3808         * gimplify.c (gimplify_omp_for): Replace index var in outer
3809         taskloop statement with an artificial variable and add
3810         OMP_CLAUSE_PRIVATE clause for it.
3812 2017-03-08  Richard Biener  <rguenther@suse.de>
3814         PR tree-optimization/79955
3815         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
3816         for accesses that are completely outside of the variable.
3818 2017-03-08  Andrew Haley  <aph@redhat.com>
3820         PR tree-optimization/79943
3821         * tree-ssa-loop-split.c (compute_new_first_bound): When
3822         calculating the new upper bound, (END-BEG) should be added, not
3823         subtracted.
3825 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3827         * config/avr/avr.md (setmemhi): Make sure match_dup
3828         operand number comes before match_scratch.
3830 2017-03-08  Richard Biener  <rguenther@suse.de>
3832         PR tree-optimization/79920
3833         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
3834         with ncopies == 1 to ...
3835         (vect_transform_slp_perm_load): ... here.  Properly compute
3836         all element loads by iterating VF times over the group.  Do
3837         not handle ncopies (computed in a broken way) in
3838         vect_create_mask_and_perm.
3840 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3842         PR sanitizer/79904
3843         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
3844         is a uniform vector, use uniform_vector_p return value instead of
3845         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
3847 2017-03-07  Marek Polacek  <polacek@redhat.com>
3849         PR middle-end/79809
3850         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
3851         (alloca_call_type): Likewise.
3853 2017-03-07  Martin Liska  <mliska@suse.cz>
3855         * gcov.c (process_args): Put comment to correct location.
3857 2017-03-07  Martin Liska  <mliska@suse.cz>
3859         PR middle-end/68270
3860         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
3861         Use array_at_struct_end_p instead of DECL_CHAIN (field).
3862         (chkp_narrow_bounds_for_field): Likewise.
3863         (chkp_parse_array_and_component_ref): Pass one more argument to
3864         call.
3866 2017-03-07  Richard Biener  <rguenther@suse.de>
3868         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
3869         preheaders.
3871 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
3873         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
3874         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
3876 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3878         PR c/79855
3879         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
3880         to end of description.
3881         (PARAM_MAX_STORES_TO_MERGE): Likewise.
3883 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
3885         PR rtl-optimization/79901
3886         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
3887         ...
3888         (*avx512f_<code><mode>3<mask_name>): ... this.
3889         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
3890         iterator instead of VI8_AVX2_AVX512BW.
3892         PR rtl-optimization/79901
3893         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
3894         min/max expander, expand it using expand_vec_cond_expr.
3896         PR sanitizer/79897
3897         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
3898         temporary.
3900 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
3902         PR c++/79821
3903         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
3904         to void * for PCH reasons.
3905         * dwarf2out.c (output_loc_operands, output_die): Cast
3906         v.val_vec.array to unsigned char *.
3908 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
3910         PR target/77850
3911         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
3912         vector types.
3914 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
3916         PR rtl-optimization/79571
3917         * lra-constraints.c (process_alt_operands): Calculate static
3918         reject and subtract it from overall when only addresses will be
3919         reloaded.
3921 2017-03-06  Julia Koval  <julia.koval@intel.com>
3923         PR target/79793
3924         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
3925         incoming stack boundary to 128 for 64-bit targets.
3927 2017-03-06  Richard Biener  <rguenther@suse.de>
3929         PR tree-optimization/79894
3930         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
3931         to NULL after folding it.
3933 2017-03-06  Richard Biener  <rguenther@suse.de>
3935         PR tree-optimization/79824
3936         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
3937         check disabling peeling for gaps.
3939 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
3941         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
3942         attributes): Document gettimeofday.
3944 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
3946         * config/s390/s390.c (s390_option_override_internal): Set
3947         PARAM_MIN_VECT_LOOP_BOUND
3949 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
3951         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
3952         * config/s390/s390.md: Likewise.
3954 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
3956         PR target/79812
3957         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
3958         (<avx2_avx512>_perm<mode>): Rename to ...
3959         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
3960         of VI8F_256_512.
3961         (<avx512>_perm<mode>_mask): Rename to ...
3962         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
3963         of VI8F_256_512.
3964         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
3965         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
3966         instead of VI8F_256_512.
3967         (avx512f_perm<mode>): New define_expand.
3968         (avx512f_perm<mode>_mask): Likewise.
3969         (avx512f_perm<mode>_1<mask_name>): New define_insn.
3970         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
3972 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
3974         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
3975         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
3976         if_then_else.
3977         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
3979 2017-03-06  Martin Liska  <mliska@suse.cz>
3981         PR sanitize/79783
3982         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
3983         when having a SSA NAME w/o VAR_DECL assigned to it.
3985 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
3987         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
3988         msa_dpsub_<su>_d): Fix MODE for vec_select.
3990 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
3992         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
3993         argument.
3994         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
3996 2017-03-06  Richard Biener  <rguenther@suse.de>
3998         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
3999         * plugin.c (register_plugin_info): Likewise.
4000         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
4002 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
4004         * config/i386/sse.md (sse_storehps, sse_storelps,
4005         avx_<castmode><avxsizesuffix>_<castmode>,
4006         avx512f_<castmode><avxsizesuffix>_<castmode>,
4007         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
4008         in condition that at least one operand is not a MEM.
4010 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
4012         PR middle-end/79805
4013         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
4014         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
4015         ECF_NOTHROW.
4016         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
4017         gimple_call_nothrow_p flag based on whether original builtin can throw.
4018         If it can, emit following stmts on the fallthrough edge.
4019         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
4020         don't create new bb if inserting just debug stmts on the edge, try to
4021         insert them on the fallthru bb or just reset debug stmts.
4023 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
4025         PR target/43763
4026         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
4027         restore recog_data (including the operand rtxes inside it) around
4028         the call to get_insn_template.
4030 2017-03-03  Martin Sebor  <msebor@redhat.com>
4032         PR tree-optimization/79699
4033         * context.c (context::~context): Free MPFR caches to avoid
4034         a memory leak on program exit.
4036 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4038         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
4039         Use wide_int::ulow () instead of .elt (0).
4041 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
4043         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
4044         (*pushxf): Limit oF constraint to 32bit targets and add oC
4045         constraint for 64bit targets.
4046         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
4047         (*pushdf): Change rmF constraint to rmC.
4049 2017-03-03  Martin Liska  <mliska@suse.cz>
4051         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
4052         Remove unused variable.
4054 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
4056         PR target/79807
4057         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
4058         is a memory operand, increase num_memory.
4059         (ix86_expand_args_builtin): Likewise.
4061 2017-03-03  Jan Hubicka  <jh@suse.cz>
4063         PR lto/79760
4064         * ipa-devirt.c (maybe_record_node): Properly handle
4065         __cxa_pure_virtual visibility.
4067 2017-03-03  Martin Liska  <mliska@suse.cz>
4069         PR tree-optimization/79803
4070         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
4071         assert.
4072         (pass_loop_prefetch::execute): Disabled optimization if an
4073         assumption about L1 cache size is not met.
4075 2017-03-03  Martin Liska  <mliska@suse.cz>
4077         PR rtl-optimization/79574
4078         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
4079         (hash_scan_set): Likewise.
4080         (dump_hash_table): Likewise.
4081         (hoist_code): Likewise.
4083 2017-03-03  Richard Biener  <rguenther@suse.de>
4085         * fixed-value.c (fixed_from_string): Restore use of elt (1)
4086         in place of uhigh ().
4087         (fixed_convert_from_real): Likewise.
4089 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
4091         PR target/79514
4092         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
4094 2017-03-03  Richard Biener  <rguenther@suse.de>
4096         PR middle-end/79818
4097         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
4098         TYPE_OVERFLOW_UNDEFINED check.
4100 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4102         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
4103         numbers.
4104         (vector_ae_<mode>_p): Likewise.
4105         (vector_nez_<mode>_p): Likewise.
4106         (vector_ne_v2di_p): Likewise.
4107         (vector_ae_v2di_p): Likewise.
4108         (vector_ne_<mode>_p): Likewise.
4109         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
4110         numbers.
4111         (vsx_tsqrt<mode>2_fe): Likewise.
4113 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
4115         PR target/79514
4116         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
4118 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
4120         PR rtl-optimization/79780
4121         * cprop.c (one_cprop_pass): When second and further conditional trap
4122         in a single basic block is turned into an unconditional trap, turn it
4123         into a deleted note to avoid RTL verification failures.
4125 2017-03-02  Richard Biener  <rguenther@suse.de>
4127         * fold-const.c (const_binop): Use ulow () instead of elt (0).
4129 2017-03-02  Richard Biener  <rguenther@suse.de>
4131         PR tree-optimization/79345
4132         PR c++/42000
4133         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
4134         param and abort the walk, returning -1 if it is hit.
4135         (walk_aliased_vdefs): Take a limit param and pass it on.
4136         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
4137         defaulting to 0 and return a signed int.
4138         * tree-ssa-uninit.c (struct check_defs_data): New struct.
4139         (check_defs): New helper.
4140         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
4141         about uninitialized memory.
4142         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
4143         bogus uninitialized warning.
4144         (fixed_convert_from_real): Likewise.
4146 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
4148         PR tree-optimization/66768
4149         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
4150         iv_use if base object can't be determined.
4152 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
4154         PR tree-optimization/79345
4155         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
4156         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
4157         (get_pattern_stats): Initialize it.
4158         * genemit.c (gen_expand): Verify match_scratch numbers come after
4159         match_operand/match_dup numbers.
4160         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
4161         match_scratch numbers.
4162         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
4163         Likewise.
4164         * config/s390/s390.md (trunctdsd2): Likewise.
4166 2017-03-02  Richard Biener  <rguenther@suse.de>
4168         * wide-int.h (wide_int_storage::operator=): Implement in terms
4169         of wi::copy.
4171 2017-03-02  Richard Biener  <rguenther@suse.de>
4173         PR tree-optimization/79777
4174         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
4175         the to insert expression to sth existing.
4177 2017-03-01  Martin Sebor  <msebor@redhat.com>
4179         PR middle-end/79692
4180         * gimple-ssa-sprintf.c
4181         (directive::known_width_and_precision): New function.
4182         (format_integer): Use it.
4183         (get_mpfr_format_length): Consider the full range of precision
4184         when computing %g output with the # flag.  Set the likely byte
4185         count to 3 rather than 1 when precision is indeterminate.
4186         (format_floating): Correct the lower bound of precision.
4188 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4190         * doc/invoke.texi: Document default code model for 64-bit Linux.
4192 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4194         PR target/79752
4195         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
4196         udiv rather than div since input pattern is unsigned.
4198 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
4200         * config/i386/i386.c (print_reg): Warn for values of
4201         unsupported size in integer register.
4203 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
4205         PR target/79439
4206         * config/rs6000/predicates.md (current_file_function_operand): Do
4207         not allow self calls to be local if the function is replaceable.
4209 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4211         PR target/79395
4212         * config/rs6000/altivec.h (vec_ctz and others): Change the
4213         preprocessor macro that controls conditional compilation from
4214         _ARCH_PWR9 to __POWER9_VECTOR__.
4215         (vec_all_ne): Change parameterization of __altivec_scalar_pred
4216         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
4217         control (instead of _ARCH_PWR9 control) so that template
4218         definition uses power9-specific function.
4219         (vec_any_eq): Likewise.
4220         (vec_all_ne): Change macro definition to use a power9-specific
4221         expansion under #ifdef __POWER9_VECTOR__ control (instead of
4222         _ARCH_PWR9 control).
4223         (vec_any_eq) Likewise.
4224         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
4225         expansion for CMPNEF to remove support for xvcmpnesp instruction.
4226         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
4227         support for xvcmpnedp instruction.
4228         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
4229         macro expansion so that Power9 implementation of vec_all_ne does
4230         not use the AltiVec predicate framework.
4231         (VCMPNEH_P): Likewise.
4232         (VCMPNEW_P): Likewise.
4233         (VCMPNED_P): Likewise.
4234         (VCMPNEFP_P): Likewise.
4235         (VCMPNEDP_P): Likewise.
4236         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
4237         implementation of vec_any_eq to not use AltiVec predicate
4238         framework.
4239         (VCMPAEH_P): Likewise.
4240         (VCMPAEW_P): Likewise.
4241         (VCMPAED_P): Likewise.
4242         (VCMPAEFP_P): Likewise.
4243         (VCMPAEDP_P): Likewise.
4244         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
4245         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
4246         not use the AltiVec predicate framework.
4247         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
4248         of vec_any_eq to not use AltiVec predicate framework.
4249         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
4250         support for predefined __POWER9_VECTOR__ macro to indicate that
4251         Power9 instruction selection is enabled.
4252         (altivec_overloaded_builtins): Remove extraneous
4253         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
4254         function argument types RS6000_BTI_bool_V16QI and
4255         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
4256         entry for overloaded function argument types RS6000_BTI_bool_V4SI
4257         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
4258         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
4259         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
4260         Power9 for implementations of vec_cmpne.  Change the signature for
4261         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
4262         (representing vec_all_ne) to remove the previously described first
4263         argument of type RS6000_BTI_INTSI, as this was an artifact of
4264         reliance on the AltiVec predicate framework, which is no longer
4265         used in the implementation of these functions.  Add
4266         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
4267         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
4268         since, unlike the AltiVec predicate framework implementation, we
4269         do not share function descriptors between vec_alle and vec_anyeq.
4270         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
4271         set of modes that receive special treatment even when
4272         TARGET_P9_VECTOR is true.  The special treatment emits code that
4273         does not depend on Power9 instructions.
4274         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
4275         define_expand to not rely on AltiVec predicate framework.
4276         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
4277         function.
4278         (vector_ne_v2di_p): Change this define_expand to not rely on
4279         AltiVec predicate framework.
4280         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
4281         function.
4282         (vector_ne_<mode>_p): Change this define_expand to not rely on
4283         AltiVec predicate framework.
4284         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
4285         function.
4286         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
4287         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
4288         define_insn pattern.
4289         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
4290         define_insn pattern because the xvcmpne<VSs>. instruction is not
4291         supported.
4292         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
4293         instruction is not supported.
4295 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4297         * config/nvptx/nvptx.c: Include intl.h.
4299 2017-03-01  Martin Jambor  <mjambor@suse.cz>
4301         PR lto/78140
4302         * ipa-prop.h (ipa_bits): Removed field known.
4303         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
4304         to pointers.  Adjusted their comments to warn about their sharing.
4305         (ipcp_transformation_summary): Change bits to a vector of pointers.
4306         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
4307         (ipa_get_ipa_bits_for_value): Declare.
4308         * tree-vrp.h (value_range): Mark as GTY((for_user)).
4309         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
4310         (ipa_bits_hash_table): Likewise.
4311         (ipa_vr_ggc_hash_traits): Likewise.
4312         (ipa_vr_hash_table): Likewise.
4313         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
4314         being pointers and vr_known being removed.
4315         (ipa_set_jf_unknown): Likewise.
4316         (ipa_get_ipa_bits_for_value): New function.
4317         (ipa_set_jfunc_bits): Likewise.
4318         (ipa_get_value_range): New overloaded functions.
4319         (ipa_set_jfunc_vr): Likewise.
4320         (ipa_compute_jump_functions_for_edge): Use the above functions to
4321         construct bits and vr parts of jump functions.
4322         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
4323         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
4324         exist.
4325         (ipcp_grow_transformations_if_necessary): Also allocate
4326         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
4327         exist.
4328         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
4329         them.  Fix too long lines.
4330         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
4331         vr_known being removed.
4332         (ipa_read_jump_function): Use new setter functions to construct bits
4333         and vr parts of jump functions or set them to NULL.
4334         (write_ipcp_transformation_info): Adjust for bits being pointers.
4335         (read_ipcp_transformation_info): Likewise.
4336         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
4337         space.
4338         Include gt-ipa-prop.h.
4339         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
4340         being pointers.
4341         (ipcp_store_bits_results): Likewise.
4342         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
4343         Do not write to existing jump functions but use a temporary instead.
4345 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4347         PR c++/79681
4348         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
4349         attempt to use its first operand as BIT_FIELD_REF base.
4351 2017-03-01  Richard Biener  <rguenther@suse.de>
4353         PR middle-end/79721
4354         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
4355         interpolating formula in wrapping arithmetic.
4356         (chrec_apply): Convert chrec_evaluate return value to wanted type.
4358 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4360         PR tree-optimization/79734
4361         * tree-vect-generic.c (expand_vector_condition): Optimize
4362         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
4363         Handle VEC_COND_EXPR where comparison has different inner width from
4364         type's inner width.
4366 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4368         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
4369         markup, and similar issues.  Remove @opindex entries for things
4370         that aren't options.  Add missing -mmpy-option entries.
4372 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
4374         PR tree-optimization/79737
4375         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
4376         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
4377         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
4378         instead of byte_size.  Formatting fix.
4379         (shift_bytes_in_array_right): Formatting fix.
4381 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4383         PR target/79749
4384         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
4385         condition on optimize for the leaf function test.
4387 2017-02-28  Martin Liska  <mliska@suse.cz>
4389         PR lto/79625
4390         * read-rtl-function.c (function_reader::handle_unknown_directive):
4391         Bail out when one uses -flto.
4393 2017-02-28  Martin Liska  <mliska@suse.cz>
4395         * common.opt: Replace space with tabular for options of <number>
4396         type.
4397         * config/i386/i386.opt: Show <number> value for
4398         -mlarge-data-threshold.
4399         * opts.c (print_filtered_help): Do not display number in hexadecimal
4400         format.
4402 2017-02-28  Martin Liska  <mliska@suse.cz>
4404         * common.opt: Fix --help=option -Q for options which are of
4405         an enum type.
4407 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
4409         * config/i386/i386.c (print_reg): Error out for values
4410         of 8-bit size in invalid integer register.
4412 2017-02-28  Martin Sebor  <msebor@redhat.com>
4414         PR tree-optimization/79691
4415         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
4417 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
4419         PR target/79729
4420         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
4421         gcc_unreachable with output_operand_lossage.
4423 2017-02-28  Richard Biener  <rguenther@suse.de>
4425         PR tree-optimization/79740
4426         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
4427         inserts.
4428         (visit_nary_op): Insert the nary into the hashtable if we
4429         pattern-matched sth.
4430         * tree-ssa-pre.c (eliminate_insert): Robustify.
4432 2017-02-28  Richard Biener  <rguenther@suse.de>
4434         PR middle-end/79731
4435         * fold-const.c (decode_field_reference): Reject out-of-bound
4436         accesses.
4438 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
4440         * config/i386/i386.c: Include intl.h.
4441         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
4442         instead of just cond ? "..." : "...".
4443         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
4444         * coverage.c (read_counts_file): Likewise.
4445         * omp-offload.c: Include intl.h.
4446         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
4447         of just cond ? "..." : "...".
4448         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
4449         of just cond ? "..." : "...".
4451 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
4453         PR target/79742
4454         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
4455         entry, if present.
4456         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
4457         'tune for' CPU name.
4458         * config/arm/arm-cpu-data.h: Regenerated.
4460 2017-02-28  Richard Biener  <rguenther@suse.de>
4462         PR tree-optimization/79732
4463         * tree-inline.c (expand_call_inline): Do not shadow var.
4465 2017-02-28  Richard Biener  <rguenther@suse.de>
4467         PR tree-optimization/79723
4468         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
4469         address-space properly.
4471 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
4473         * doc/optinfo.texi (Optimization groups): Fix option used for
4474         OPTGROUP_ALL.
4475         * doc/invoke.texi (-fopt-info): Document "omp".
4476         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
4477         (OPTGROUP_ALL): Add OPTGROUP_OMP.
4478         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
4479         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
4480         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
4482         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
4483         all users.
4484         * dumpfile.c (optgroup_options): Instead of "openmp", associate
4485         OPTGROUP_OMP with "omp".
4487 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
4489         PR target/79544
4490         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
4491         for arithmetic shift of unsigned V2DI.
4493 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
4495         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
4496         arc/linux.h headers.
4497         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
4498         (LINK_SPEC): Likewise.
4499         (ARC_TLS_EXTRA_START_SPEC): Likewise.
4500         (EXTRA_SPECS): Likewise.
4501         (STARTFILE_SPEC): Likewise.
4502         (ENDFILE_SPEC): Likewise.
4503         (LIB_SPEC): Likewise.
4504         (TARGET_SDATA_DEFAULT): Likewise.
4505         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
4506         (MULTILIB_DEFAULTS): Likewise.
4507         (DWARF2_UNWIND_INFO): Likewise.
4508         * config/arc/big.h: New file.
4509         * config/arc/elf.h: Likewise.
4510         * config/arc/linux.h: Likewise.
4511         * config/arc/t-uClibc: Remove.
4513 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
4515         PR tree-optimization/77536
4516         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
4517         (tree_transform_and_unroll_loop): Use above function to compute the
4518         estimated niter of unrolled loop and use it when scaling profile.
4519         Also use count info rather than frequency if it's non-zero.
4520         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
4521         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
4522         (vect_transform_loop): Call above function.
4524 2017-02-27  Richard Biener  <rguenther@suse.de>
4526         PR tree-optimization/45397
4527         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
4528         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
4529         (visit_nary_op): Add pattern matching for CSEing sign-changed
4530         or truncated operations with wider ones.
4532 2017-02-27  Richard Biener  <rguenther@suse.de>
4534         PR tree-optimization/79690
4535         * tree-vect-stmts.c (vectorizable_store): Use vector type
4536         built from the DR with address-space.
4538 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
4540         * doc/invoke.texi (Optimize Options): Refine the description
4541         of asan-use-after-return.
4543 2017-02-25  Alan Modra  <amodra@gmail.com>
4545         PR rtl-optimization/79584
4546         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
4547         base, not ad->base_term, the reg within base.  Remove assertion
4548         that ad->base == ad->base_term.  Replace gen_int_mode using
4549         bogus mode with const0_rtx.
4551 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
4553         PR middle-end/79396
4554         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
4555         FMA_EXPR like tcc_binary or tcc_unary.
4557         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
4559         PR debug/77589
4560         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
4561         bitfield.
4562         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
4563         (output_loc_operands): Handle DW_OP_call_ref and
4564         DW_OP_GNU_variable_value.
4565         (struct variable_value_struct): New type.
4566         (struct variable_value_hasher): Likewise.
4567         (variable_value_hash): New variable.
4568         (string_types): Remove.
4569         (copy_loc_descr): New function.
4570         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
4571         (prepend_loc_descr_to_each): New function.
4572         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
4573         instead of add_loc_descr_to_each if the first argument is single
4574         location list and the second has multiple.
4575         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
4576         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
4577         when looking for variable value which doesn't have other location info.
4578         (loc_list_from_tree): Formatting fix.
4579         (gen_array_type_die): Simplify DW_AT_string_length handling.
4580         (adjust_string_types): Remove.
4581         (gen_subprogram_die): Don't call adjust_string_types nor test/set
4582         string_types.  Call resolve_variable_values.
4583         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
4584         (resolve_addr_in_expr): Likewise.  Add A argument.
4585         (copy_deref_exprloc): Remove deref argument.  Adjust for the
4586         original expression being DW_OP_GNU_variable_value with optionally
4587         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
4588         optionally after it.
4589         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
4590         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
4591         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
4592         (variable_value_hasher::hash, variable_value_hasher::equal): New
4593         methods.
4594         (resolve_variable_value_in_expr, resolve_variable_value,
4595         resolve_variable_values, note_variable_value_in_expr,
4596         note_variable_value): New functions.
4597         (dwarf2out_early_finish): Call note_variable_value on all toplevel
4598         DIEs.
4600 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
4602         PR c/79677
4603         * opts.h (handle_generated_option): Add GENERATED_P argument.
4604         * opts-common.c (handle_option): Adjust function comment.
4605         (handle_generated_option): Add GENERATED_P argument, pass it to
4606         handle_option.
4607         (control_warning_option): Pass false to handle_generated_option
4608         GENERATED_P.
4609         * opts.c (maybe_default_option): Pass true to handle_generated_option
4610         GENERATED_P.
4611         * optc-gen.awk: Likewise.
4613 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4615         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
4616         a REG, look at the REG it is a SUBREG of.
4617         (splitter for cmpeqsi_t): Ditto.
4619 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4621         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
4622         the special USEs with the pattern of the insn, not the insn itself.
4624 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
4626         PR target/79473
4627         * doc/invoke.texi: Document -mload-store-pairs.
4629 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4630             Sandra Loosemore  <sandra@codesourcery.com>
4632         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
4633         argument isn't a CONST_INT.
4634         (nios2_alternate_compare_const): Assert op is a CONST_INT.
4635         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
4636         (nios2_validate_compare): Bypass alternate compare logic if *op2
4637         is not a CONST_INT.
4638         (ldstwm_operation_p): Return false if first_base is not a REG or
4639         if first_offset is not a CONST_INT.
4641 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4643         * config/cris/cris.md: Use correct operand in a define_peephole2.
4645 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4647         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
4649 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4651         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
4652         this_insn if it is an INSN or JUMP_INSN.
4653         (force_offsettable): Look at base, not at addr.
4654         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
4655         on things that aren't necessarily CONST_INTs.
4657 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
4659         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
4660         -mfpmath=sse is the default also for x86-32 targets with SSE2
4661         instruction set when @option{-ffast-math} is enabled
4663 2017-02-24  Jeff Law  <law@redhat.com>
4665         PR rtl-optimizatoin/79286
4666         * ira.c (update_equiv_regs): Drop may_trap_p exception to
4667         dominance test.
4669 2017-02-24  Richard Biener  <rguenther@suse.de>
4671         PR tree-optimization/79389
4672         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
4673         debug insns.
4675 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
4677         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
4678         function comment to reflect reality.
4679         (loop_exits_before_overflow): Fix typo in function description.
4681 2017-02-24  Richard Biener  <rguenther@suse.de>
4683         PR tree-optimization/79389
4684         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
4685         properly that a threading opportunity exists.  Detect conditional
4686         copy/constant propagation opportunities.
4688 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
4690         * config/visium/visium.md (type): Add trap.
4691         (b): New mode attribute.
4692         (*btst): Rename into...
4693         (*btst<mode>): ...this and adjust.
4694         (*cbranchsi4_btst_insn): Rename into...
4695         (*cbranch<mode>4_btst_insn): ...this and adjust.
4696         (trap): New define_insn.
4698 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
4700         PR tree-optimization/79389
4701         * ifcvt.c (struct noce_if_info): Add rev_cond field.
4702         (noce_reversed_cond_code): New function.
4703         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
4704         reversed_comparison_code.  Formatting fix.
4705         (noce_try_store_flag): Test rev_cond != NULL in addition to
4706         reversed_comparison_code.
4707         (noce_try_store_flag_constants): Likewise.
4708         (noce_try_store_flag_mask): Likewise.
4709         (noce_try_addcc): Use rev_cond if non-NULL instead of
4710         reversed_comparison_code.
4711         (noce_try_cmove_arith): Likewise.  Formatting fixes.
4712         (noce_try_minmax, noce_try_abs): Clear rev_cond.
4713         (noce_find_if_block): Initialize rev_cond.
4714         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
4715         instead of false as last argument never attempt to reverse it
4716         afterwards.
4718 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
4720         PR tree-optimization/79663
4721         * tree-predcom.c (combine_chains): Process refs in reverse order
4722         only for ZERO length chains, and add explaining comment.
4724 2017-02-23  Jeff Law  <law@redhat.com>
4726         PR tree-optimization/79578
4727         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
4728         in call to operand_equal_p.
4730 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
4732         PR target/71017
4733         * config/i386/cpuid.h: Fix another undefined behavior.
4735 2017-02-23  Richard Biener  <rguenther@suse.de>
4737         PR tree-optimization/79683
4738         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
4739         vector types for data-refs.
4741 2017-02-23  Martin Liska  <mliska@suse.cz>
4743         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
4745 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
4747         PR middle-end/79665
4748         * internal-fn.c (get_range_pos_neg): Moved to ...
4749         * tree.c (get_range_pos_neg): ... here.  No longer static.
4750         * tree.h (get_range_pos_neg): New prototype.
4751         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
4752         are known to be in between 0 and signed maximum inclusive, try to
4753         expand both unsigned and signed divmod and use the cheaper one from
4754         those.
4756 2017-02-22  Jeff Law  <law@redhat.com>
4758         PR tree-optimization/79578
4759         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
4760         to compare base operands.
4762 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
4764         PR target/79211
4765         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
4766         gpc_reg_operand instead of fpr_reg_operand.
4768 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
4770         * config/mips/mips.c (mips_return_in_memory): Force FP
4771         vector types to be returned in memory for o32 ABI.
4773 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
4775         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
4776         instead of DW_TAG_member for static data member declarations and don't
4777         set no_linkage_name for static inline data members.
4778         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
4779         to DW_TAG_member.
4781 2017-02-22  Martin Liska  <mliska@suse.cz>
4783         * doc/invoke.texi: Replace inequality signs with square brackets
4784         for -Wnormalized.
4786 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4788         PR tree-optimization/68644
4789         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
4791 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
4793         PR target/78660
4794         * lra-constraints.c (simplify_operand_subreg): Handle
4795         WORD_REGISTER_OPERATIONS targets.
4797 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
4799         PR target/70465
4800         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
4801         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
4802         elimination by swapping fld*.
4804 2017-02-22  Richard Biener  <rguenther@suse.de>
4806         PR tree-optimization/79673
4807         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
4808         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
4809         irrelevant address-space qualifiers and avoiding a
4810         ADDR_SPACE_CONVERT_EXPR from fold_convert.
4812 2017-02-22  Richard Biener  <rguenther@suse.de>
4814         PR tree-optimization/79666
4815         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
4816         to not symbolically negate if that may introduce undefined
4817         overflow.
4819 2017-02-22  Martin Liska  <mliska@suse.cz>
4821         PR lto/79587
4822         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
4823         * data-streamer-out.c (streamer_write_gcov_count_stream):
4824         Likewise.
4825         * value-prof.c (stream_out_histogram_value): Make assert more
4826         precise based on type of counter.
4828 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
4830         PR target/79593
4831         * config/i386/i386.md (standard_x87sse_constant_load splitter):
4832         Use nonimmediate_operand instead of memory_operand for operand 1.
4833         (float-extend standard_x87sse_constant_load splitter): Ditto.
4835 2017-02-21 Jeff Law  <law@redhat.com>
4837         PR tree-optimization/79621
4838         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
4839         blocks with edges to themselves.
4841 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4843         PR target/79633
4844         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
4845         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
4846         Use gimple_call_builtin_p.
4848         PR target/79570
4849         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
4850         on temporarily removed DEBUG_INSNs.
4852         PR tree-optimization/79649
4853         * tree-loop-distribution.c (classify_partition): Give up on
4854         non-generic address space loads/stores.
4856 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
4858         * doc/loop.texi (Loop manipulation): Remove nonexistent
4859         tree_ssa_loop_version from the documentation.
4860         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
4862 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4864         PR target/79494
4865         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
4866         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
4867         * config/rs6000/rs6000.c: Include except.h.
4868         (rs6000_expand_split_stack_prologue): Call
4869         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
4871 2017-02-21  Martin Jambor  <mjambor@suse.cz>
4873         PR lto/79579
4874         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
4875         have been analyzed.
4877 2017-02-21  Martin Jambor  <mjambor@suse.cz>
4879         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
4880         for backward compatibility only.
4881         * doc/invoke.texi (Option Summary): Remove all references to
4882         -fipa-cp-alignment.
4884 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
4886         PR target/78660
4887         Revert:
4888         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4890         * lra-constraints.c (curr_insn_transform): Handle
4891         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
4893 2017-02-21  Martin Liska  <mliska@suse.cz>
4895         * config/i386/i386.opt: Replace -masm-dialect with -masm.
4897 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
4899         PR translation/79638
4900         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
4902 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
4904         PR ada/67205
4905         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
4906         (arm_function_ok_for_sibcall): Return false for an indirect call by
4907         descriptor if all the argument registers are used.
4908         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
4909         alignment of the function.
4911 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4913         PR tree-optimization/61441
4914         * simplify-rtx.c (simplify_const_unary_operation): For
4915         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
4916         the sNaN unmodified.
4918 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4920         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
4921         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
4922         instead of SYSTEM_HEADER_DIR.
4924 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
4925             Martin LiÅ¡ka  <mliska@suse.cz>
4927         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
4928         Fix typos and grammar, use active voice, and clarify.
4930 2017-02-20  Marek Polacek  <polacek@redhat.com>
4932         PR middle-end/79537
4933         * gimplify.c (gimplify_expr): Handle unused *&&L;.
4935         PR sanitizer/79558
4936         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
4938 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
4940         PR target/79568
4941         * config/i386/i386.c (ix86_expand_builtin): Handle
4942         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
4943         ix86_builtins_isa[fcode].isa as a requirement of those
4944         flags and any other flag in the bitmask.
4945         (ix86_init_mmx_sse_builtins): Use 0 instead of
4946         ~OPTION_MASK_ISA_64BIT as mask.
4947         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
4948         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
4949         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
4950         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
4952 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4954         PR target/78012
4955         * lra-constraints.c (split_reg): Check requested split mode
4956         is supported by the register.
4958 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4960         * lra-constraints.c (simplify_operand_subreg): Remove early
4961         return false.
4963 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4965         PR target/78660
4966         * lra-constraints.c (curr_insn_transform): Tighten condition
4967         for converting SUBREG reloads from OP_OUT to OP_INOUT.
4969 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4971         PR target/78660
4972         * lra-constraints.c (curr_insn_transform): Handle
4973         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
4975 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
4977         Revert:
4978         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
4980         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
4982 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
4984         PR c++/69523
4985         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
4986         description.
4988 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4990         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
4991         for FMA_EXPR.
4993 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
4995         * final.c (last_columnnum, override_columnnum): New variables.
4996         (final_start_function): Set last_columnnum, pass it to begin_prologue
4997         hook and pass 0 to dwarf2out_begin_prologue.
4998         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
4999         to source_line debug hook.
5000         (notice_source_line): Compute last_columnnum and for debug_column_info
5001         return true on column changes.
5002         * debug.h (struct gcc_debug_hooks): Add column argument to
5003         source_line and begin_prologue hooks.
5004         (debug_nothing_int_charstar_int_bool): Remove prototype.
5005         (debug_nothing_int_int_charstar,
5006         debug_nothing_int_int_charstar_int_bool): New prototypes.
5007         (dwarf2out_begin_prologue): Add column argument.
5008         * debug.c (do_nothing_debug_hooks): Adjust source_line and
5009         begin_prologue hooks.
5010         (debug_nothing_int_charstar_int_bool): Remove.
5011         (debug_nothing_int_int_charstar,
5012         debug_nothing_int_int_charstar_int_bool): New functions.
5013         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
5014         through to dwarf2out_source_line.
5015         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
5016         (dwarf2out_source_line): Add column argument, emit it if requested.
5017         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
5018         arguments.
5019         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
5020         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
5021         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
5022         through to dwarf2out_begin_prologue.
5023         (vmsdbgout_source_line): Add column argument, pass it through to
5024         dwarf2out_source_line.
5025         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
5026         dbxout_source_line caller.
5027         (dbxout_source_line): Add column argument.
5029         * common.opt (gno-column-info, gcolumn-info): New options.
5030         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
5031         (check_die): Also test for multiple DW_AT_decl_column attributes.
5032         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
5033         DW_AT_decl_column if requested.
5034         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
5035         if requested.
5036         (gen_variable_die): Likewise.
5037         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
5038         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
5040         PR target/79569
5041         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
5042         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
5043         (ix86_handle_option): Handle OPT_m3dnowa.
5044         * doc/invoke.texi (-m3dnowa): Document.
5045         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
5046         -m3dnowa instead of -m3dnow -march=athlon.
5048         PR target/79559
5049         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
5050         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
5052 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5054         PR target/79261
5055         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
5056         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
5057         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
5058         generator for vsx_xxpermdi_<mode>_be.
5059         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
5060         force big-endian semantics.
5061         (vsx_xxpermdi_<mode>_be): New define_expand with same
5062         implementation as previous version of vsx_xxpermdi_<mode>.
5064 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
5066         PR tree-optimization/79327
5067         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
5068         variable, its initialization and use.
5070 2017-02-17  Julia Koval  <julia.koval@intel.com>
5072         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
5073         (OPTION_MASK_ISA_PKU_UNSET): New.
5074         (ix86_handle_option): Handle -mrdpid.
5075         * config/i386/cpuid.h (bit_RDPID): New.
5076         * config/i386/driver-i386.c (host_detect_local_cpu):
5077         Detect RDPID feature.
5078         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
5079         * config/i386/i386-c.c (ix86_target_macros_internal):
5080         Handle RDPID flag.
5081         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
5082         (ix86_valid_target_attribute_inner_p): Add "rdpid".
5083         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
5084         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
5085         * config/i386/i386.md (define_insn "rdpid"): New.
5086         * config/i386/i386.opt Add -mrdpid.
5087         * config/i386/immintrin.h (_rdpid_u32): New.
5089 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
5091         PR rtl-optimization/79541
5092         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
5093         instead of transforming it into USE.
5095 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
5097         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
5098         If HONOR_SNANS (SFmode) force the input to a register.
5099         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
5100         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
5101         an frsp or similar insn.
5103 2017-02-17  Martin Liska  <mliska@suse.cz>
5105         PR rtl-optimization/79577
5106         * params.def (selsched-max-sched-times): Increase minimum to 1.
5108 2017-02-17  Martin Liska  <mliska@suse.cz>
5110         PR rtl-optimization/79574
5111         * gcse.c (want_to_gcse_p): Prevent integer overflow.
5113 2017-02-17  Martin Liska  <mliska@suse.cz>
5115         PR tree-optimization/79529
5116         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
5117         ssa_defined_default_def_p to handle cases which are implicitly
5118         defined.
5119         * tree-ssa.c (ssa_defined_default_def_p): New function.
5120         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
5121         which are implicitly defined.
5122         * tree-ssa.h (ssa_defined_default_def_p): Declare.
5124 2017-02-17  Richard Biener  <rguenther@suse.de>
5126         PR middle-end/79576
5127         * params.def (max-ssa-name-query-depth): Limit to 10.
5129 2017-02-17  Richard Biener  <rguenther@suse.de>
5131         PR tree-optimization/79552
5132         * tree-ssa-structalias.c (visit_loadstore): Properly verify
5133         default defs.
5135 2017-02-17  Richard Biener  <rguenther@suse.de>
5137         PR bootstrap/79567
5138         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
5140 2017-02-17  Marek Polacek  <polacek@redhat.com>
5142         PR middle-end/79536
5143         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
5144         (fold_negate_expr): New wrapper.
5146 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
5148         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
5149         Correct terminology and de-emphasize pre-standard behavior.
5151 2017-02-16  Alan Modra  <amodra@gmail.com>
5153         PR rtl-optimization/79286
5154         * ira.c (def_dominates_uses): New function.
5155         (update_equiv_regs): Don't create an equivalence for insns that
5156         may trap where the register def does not dominate the use.
5158 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
5160         PR rtl-optimization/78127
5161         * lra.c (lra): Call lra_eliminate before finish the loop after
5162         lra_constraint.
5164 2017-02-16  Richard Biener  <rguenther@suse.de>
5166         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
5167         isl/isl_val.h.
5168         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
5169         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
5170         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
5171         (isl_val_int_from_wi): New function.
5172         (extract_affine_gmp): Rename to ...
5173         (extract_affine_wi): ... this, take a widest_int.
5174         (extract_affine_int): Just wrap extract_affine_wi.
5175         (add_param_constraints): Use isl_val_int_from_wi.
5176         (add_loop_constraints): Likewise, and extract_affine_wi.
5178 2017-02-15 Jeff Law  <law@redhat.com>
5180         PR middle-end/79521
5181         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
5182         ira_init_register_move_cost_if_necessary.
5184 2017-02-15  Martin Sebor  <msebor@redhat.com>
5186         PR middle-end/32003
5187         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
5188         removed in a prior commit.
5190 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
5192         PR tree-optimization/79347
5193         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
5194         counters during peeling.
5196 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
5198         * Makefile.in (site.exp): Remove "set ISLVER".
5200 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
5202         PR target/79487
5203         * real.c (real_from_integer): Call real_convert even for decimal.
5205 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5207         PR target/79421
5208         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
5210 2017-02-14  Andrew Pinski  <apinski@cavium.com>
5212         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
5213         cores and change the partno/implementer to be correct.
5214         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
5215         the 'B" as the implementer.
5216         * config/aarch64/aarch64-tune.md: Regenerate.
5218 2017-02-14  Carl Love  <cel@us.ibm.com>
5220         * config/rs6000/rs6000.c: Add case statement entry to make the
5221         xvcvuxdsp built-in argument unsigned.
5222         * config/rs6000/vsx.md: Fix the source and return operand types so they
5223         match the instruction definitions from the ISA document.  Fix typo
5224         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
5225         statement.
5227 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
5229         PR target/79282
5230         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
5231         member early_clobber_alts.
5232         * lra-lives.c (reg_early_clobber_p): New.
5233         (process_bb_lives): Use it.
5234         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
5235         (debug_operand_data): Initialize early_clobber_alts.
5236         (setup_operand_alternative): Set up early_clobber_alts.
5237         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
5238         alternatives to new_insn_reg.
5239         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
5240         it.
5241         (lra_update_insn_regno_info): Pass the new arg.
5243 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
5245         PR middle-end/79505
5246         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
5247         (new_oacc_loop_raw): Don't clear already cleared fields.
5249         PR target/79481
5250         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
5251         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
5252         _mm512_prefetch_i64gather_ps): New inline functions and macros.
5254 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
5256         PR target/79495
5257         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
5259 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
5261         PR target/79498
5262         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
5263         the extra instruction to the right place to store 128-bit constant
5264         when needed.
5266 2017-02-14  Martin Sebor  <msebor@redhat.com>
5268         PR middle-end/79448
5269         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
5270           warning for strings of unknown length.
5272 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
5274         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
5276 2017-02-14 Jeff Law  <law@redhat.com>
5278         PR target/79404
5279         * ira-costs.c (scan_one_insn): Initialize register move costs
5280         for pseudos seen in USE/CLOBBER insns.
5282         PR tree-optimization/79095
5283         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
5284         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
5285         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
5286         if the operands are known to be not equal, then the resulting range
5287         is ~[0,0].
5288         (intersect_ranges): If the new range is ~[0,0] and the old range is
5289         wide, then prefer ~[0,0].
5290         * tree-vrp.c (overflow_comparison_p_1): New function.
5291         (overflow_comparison_p): New function.
5292         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
5293         if NAME is used in an overflow test.
5294         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
5295         overflow check that can be expressed as an equality test, then adjust
5296         ops to be that equality test.
5298 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5300         * config/s390/s390-builtin-types.def: Remove flags argument.
5301         * config/s390/s390.c (s390_init_builtins): Likewise.
5303 2017-02-14  Martin Liska  <mliska@suse.cz>
5305         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
5306         vector.  Fix trailing white spaces.
5308 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
5310         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
5311         HFmode.
5313 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5315         PR rtl-optimization/68664
5316         * config/arm/arm.c (arm_sched_can_speculate_insn):
5317         New function.  Declare prototype.
5318         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
5320 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5322         PR rtl-optimization/68664
5323         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
5324         New function.
5325         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
5327 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
5329         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
5330         max skip bytes for function, loop and jump.
5332 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5334         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
5335         ABS_EXPR for gimple dump.
5337 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
5339         PR target/79462
5340         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
5342         PR tree-optimization/79408
5343         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
5344         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
5345         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
5346         also if rhs1 is INTEGER_CST.
5348 2017-02-14  Richard Biener  <rguenther@suse.de>
5350         PR middle-end/79432
5351         * tree-into-ssa.c (insert_phi_nodes): When the function can
5352         have abnormal edges rewrite SSA names with broken use-def
5353         dominance out of SSA and register them for PHI insertion.
5355 2017-02-13  Martin Sebor  <msebor@redhat.com>
5357         PR middle-end/79496
5358         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
5359         clearing info.nowrite flag when snprintf size argument is a range.
5361 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
5363         * cprop.c (cprop_jump): Add missing space in string literal.
5364         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
5365         (get_constraint_for_component_ref): Likewise.
5366         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
5367         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
5368         * lra-constraints.c (process_alt_operands): Likewise.
5369         * ipa-inline.c (inline_small_functions): Likewise.
5370         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
5371         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
5372         * trans-mem.c (diagnose_tm_1_op): Likewise.
5373         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
5374         (grid_parallel_clauses_gridifiable): Likewise.
5376         * config/nvptx/mkoffload.c (process): Add space in between
5377         , and %d.
5379         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
5380         "MOD4_SSE_REGS" and "ALL_REGS".
5382         * spellcheck.c (test_data): Add , in between "foo" and "food".
5384 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5386         PR target/79449
5387         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
5388         boundary crossing check and subsequent code generation agree.
5390 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5392         * config/aarch64/aarch64.c (has_memory_op): Delete.
5393         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
5394         has_memory_op.
5396 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
5398         PR rtl-optimization/79388
5399         PR rtl-optimization/79450
5400         * combine.c (distribute_notes): When removing TEM_INSN for which
5401         corresponding dest has last value recorded, invalidate that last
5402         value.
5404 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5406         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
5407         of explicit '@'.  Add missing assembly comment marker on branch costs
5408         printout.
5410 2017-02-13  Nathan Sidwell  <nathan@acm.org>
5412         * gengtype-lex.l (<in_struct>): Add '/'.
5414 2017-02-13  Martin Liska  <mliska@suse.cz>
5416         PR c/79471
5417         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
5419 2017-02-13  Richard Biener  <rguenther@suse.de>
5421         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
5422         Remove.
5423         * configure: Re-generate.
5424         * config.in: Likewise.
5425         * graphite-dependences.c: Simplify as if
5426         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
5427         * graphite-isl-ast-to-gimple.c: Likewise.
5428         * graphite-optimize-isl.c: Likewise.
5429         * graphite-poly.c: Likewise.
5430         * graphite-sese-to-poly.c: Likewise.
5431         * graphite.h: Likewise.
5432         * toplev.c: Include isl/version.h and use isl_version () for
5433         printing the ISL version.
5434         * doc/install.texi: Update ISL requirement.
5436 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
5438         * doc/standards.texi (Standards): Update reference to
5439         Objective-C 2.0.
5441 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
5442         
5443         * doc/extend.texi (Named Address Spaces): sourceware.org now
5444         defaults to https.
5445         * doc/install.texi (Binaries): Ditto.
5446         (Specific): Ditto.
5448 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
5450         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
5451         standard terminology "stringize"/"stringizing" throughout.
5452         * doc/cppinternals.texi: Likewise.
5454 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
5456         * doc/extend.texi: Fix some spelling mistakes and typos.
5457         * doc/invoke.texi: Likewise.
5459 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
5461         PR ipa/79224
5462         * params.def (inline-min-speedup) Change from 10 to 8.
5464 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
5466         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
5467         4.5.
5469 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
5471         PR ipa/79224
5472         * ipa-inline-analysis.c (get_minimal_bb): New function.
5473         (record_modified): Use it.
5474         (remap_edge_change_prob): Handle also ancestor functions.
5476 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
5478         * doc/contrib.texi (Contributors): Remove broken link into
5479         the Mauve CVS repository.
5481 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
5483         PR middle-end/79454
5484         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
5485         result computation whenever lhs doesn't have vector mode, not
5486         just when it has BLKmode.
5488 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
5490         * doc/makefile.texi (profiledbootstrap): Refer to the
5491         installation instructions only in textual form.
5493 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5495         PR target/79295
5496         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
5498 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
5500         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
5501         (Specific): Update mingw-w64 reference.
5502         (Binaries): Ditto.
5503         (Specific): Remove broken link to Renesas RX processor.
5505 2017-02-10  Richard Biener  <rguenther@suse.de>
5507         * toplev.c (process_options): Do not mention obsolete graphite
5508         options when printing sorry message about missing graphite support.
5509         Mention -floop-nest-optimize.
5511 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
5513         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
5514         (vtst_p16): Likewise.
5515         (vtstq_p8): Likewise.
5516         (vtstq_p16): Likewise.
5517         (vtst_p64): New.
5518         (vtstq_p64): Likewise.
5519         * config/arm/arm_neon.h (vgetq_lane_p64): New.
5520         (vset_lane_p64): New.
5521         (vsetq_lane_p64): New.
5523 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
5525         PR tree-optimization/79411
5526         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
5527         stmt operands are SSA_NAMEs used in abnormal phis.
5528         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
5529         phis.
5531 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
5533         PR ipa/70795
5534         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
5535         flag if needed.
5537 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
5539         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
5541 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
5543         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
5544         to avoid warning.
5546         PR c/79413
5547         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
5548         not arbitrary TREE_CONSTANT.
5550         PR c/79431
5551         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
5552         "omp declare target link" attribute unless is_global_var.
5553         * omp-offload.c (find_link_var_op): Likewise.
5555 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5556             Chung-Lin Tang  <cltang@codesourcery.com>
5558         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
5559         OMP_CLAUSE_TILE.
5560         (gimplify_adjust_omp_clauses): Don't delete TILE.
5561         (gimplify_omp_for): Deal with TILE.
5562         * internal-fn.c (expand_GOACC_TILE): New function.
5563         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
5564         (GOACC_TILE): New.
5565         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
5566         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
5567         element fields.
5568         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
5569         avoid DIV for outermost collapse var.
5570         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
5571         Remove out of date comments, fix whitespace.
5572         * omp-general.c (omp_extract_for_data): Deal with tiling.
5573         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
5574         adjust OLF_DIM_BASE value.
5575         (struct omp_for_data): Add tiling field.
5576         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
5577         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
5578         for auto loops.  Remove default auto determining, moved to
5579         oacc_loop_fixed_partitions.
5580         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
5581         stmts, add e_mask field.
5582         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
5583         (oacc_thread_numbers): Use oacc_dim_call.
5584         (oacc_xform_tile): New.
5585         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
5586         (finish_oacc_loop): Adjust for ifns vector.
5587         (oacc_loop_discover_walk): Append loop abstraction sites to list,
5588         add case for GOACC_TILE fns.
5589         (oacc_loop_xform_loop): Delete.
5590         (oacc_loop_process): Iterate over call list directly, and add
5591         handling for GOACC_TILE fns.
5592         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
5593         dump partitioning.
5594         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
5595         vector partitioning to outer loops.  Assign 2 partitions to loops
5596         when available. Add TILE handling.
5597         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
5598         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
5599         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
5600         * tree.c (omp_clause_num_ops): Adjust TILE ops.
5601         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
5603 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
5605         * configure.ac (ACX_BUGURL): Update.
5606         * configure: Regenerate.
5608 2017-02-09  Richard Biener  <rguenther@suse.de>
5610         PR tree-optimization/69823
5611         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
5612         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
5614 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
5616         * config/arc/arc-c.def: Add __NPS400__ definition.
5617         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
5618         (TARGET_NPS400): Define.
5620 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
5622         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
5623         file.
5624         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
5625         pointer, arch_info.
5626         (arc_cpu_types): Fill the arch_info field with a pointer into the
5627         arc_arch_types table.
5628         (arc_selected_cpu): Declare.
5629         * config/arc/arc.c (arc_selected_cpu): Make global.
5630         (arc_selected_arch): Delete.
5631         (arc_base_cpu): Delete.
5632         (arc_override_options): Remove references to deleted variables,
5633         update access to arch information.
5634         (ARC_OPT): Update access to arch information.
5635         (ARC_OPTX): Likewise.
5636         * config/arc/arc.h (arc_base_cpu): Remove declaration.
5637         (TARGET_ARC600): Update access to arch information.
5638         (TARGET_ARC601): Likewise.
5639         (TARGET_ARC700): Likewise.
5640         (TARGET_EM): Likewise.
5641         (TARGET_HS): Likewise.
5642         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
5643         information.
5645 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
5647         PR target/78604
5648         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
5649         condition/operands for integer GE/LE/GEU/LEU operations.
5651 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
5653         PR translation/79397
5654         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
5655         of AltiVec.
5657 2017-02-08  Martin Jambor  <mjambor@suse.cz>
5659         PR ipa/79375
5660         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
5661         whether allocation happened.
5662         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
5663         nothing was allocated.
5665 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
5667         PR tree-optimization/79408
5668         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
5669         constant, but SSA_NAME with a known integer range, use the minimum
5670         of that range instead of op1 to determine if modulo can be replaced
5671         with its first operand.
5673 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5675         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
5677 2017-02-08  Richard Biener  <rguenther@suse.de>
5679         PR tree-optimization/71824
5680         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
5681         Check all loops contained in the merged region.
5683 2017-02-07  Andrew Pinski  <apinski@cavium.com>
5685         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
5687 2017-02-07  Andrew Pinski  <apinski@cavium.com>
5689         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
5690         (thunderxt88): Likewise.
5691         (thunderxt81): Disable LSE and change v8.1 to v8.
5692         (thunderxt83): Likewise.
5694 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
5695             Richard Biener  <rguenther@suse.de>
5697         PR middle-end/79399
5698         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
5699         type from int to size_t.
5700         * ira-costs.c (struct_costs_size): Change type from int to size_t.
5702 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
5704         PR rtl-optimization/79386
5705         * cprop.c (bypass_conditional_jumps): Initialize
5706         bypass_last_basic_block already before splitting bbs after
5707         unconditional traps...
5708         (bypass_conditional_jumps): ... rather than here.
5710         PR target/79299
5711         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
5712         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
5713         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
5714         fix -masm=intel patterns.
5716 2017-02-07  Richard Biener  <rguenther@suse.de>
5718         PR tree-optimization/79256
5719         PR middle-end/79278
5720         * builtins.c (get_object_alignment_2): Use min_align_of_type
5721         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
5722         and ADJUST_FIELD_ALIGN.
5724         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
5725         type parameter.
5726         * doc/tm.texi: Regenerate.
5727         * stor-layout.c (layout_decl): Adjust.
5728         (update_alignment_for_field): Likewise.
5729         (place_field): Likewise.
5730         (min_align_of_type): Likewise.
5731         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
5732         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
5733         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
5734         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
5735         * config/frv/frv.c (frv_adjust_field_align): Likewise.
5736         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
5737         * config/i386/i386.c (x86_field_alignment): Likewise.
5738         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
5739         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
5740         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
5741         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
5742         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
5743         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
5744          Likewise.
5746         Revert
5747         2017-01-30  Richard Biener  <rguenther@suse.de>
5749         PR tree-optimization/79256
5750         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
5751         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
5752         alignment on TYPE.
5754 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
5756         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
5757         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
5758         builtins to SImode and emit a zero-extend, if necessary.
5760 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5762         * docs/invoke.texi (RISC-V Options): Alphabetize.
5764 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5766         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
5767         options.
5769 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5771         * config/riscv/riscv.c: New file.
5772         * gcc/common/config/riscv/riscv-common.c: Likewise.
5773         * config.gcc: Likewise.
5774         * config/riscv/constraints.md: Likewise.
5775         * config/riscv/elf.h: Likewise.
5776         * config/riscv/generic.md: Likewise.
5777         * config/riscv/linux.h: Likewise.
5778         * config/riscv/multilib-generator: Likewise.
5779         * config/riscv/peephole.md: Likewise.
5780         * config/riscv/pic.md: Likewise.
5781         * config/riscv/predicates.md: Likewise.
5782         * config/riscv/riscv-builtins.c: Likewise.
5783         * config/riscv/riscv-c.c: Likewise.
5784         * config/riscv/riscv-ftypes.def: Likewise.
5785         * config/riscv/riscv-modes.def: Likewise.
5786         * config/riscv/riscv-opts.h: Likewise.
5787         * config/riscv/riscv-protos.h: Likewise.
5788         * config/riscv/riscv.h: Likewise.
5789         * config/riscv/riscv.md: Likewise.
5790         * config/riscv/riscv.opt: Likewise.
5791         * config/riscv/sync.md: Likewise.
5792         * config/riscv/t-elf-multilib: Likewise.
5793         * config/riscv/t-linux: Likewise.
5794         * config/riscv/t-linux-multilib: Likewise.
5795         * config/riscv/t-riscv: Likewise.
5796         * configure.ac: Likewise.
5797         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
5798         Waterman as RISC-V maintainers.
5799         * doc/install.texi: Add RISC-V entries.
5800         * doc/invoke.texi: Add RISC-V options section.
5801         * doc/md.texi: Add RISC-V constraints section.
5802         * configure: Regenerated.
5804 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
5806         PR target/66144
5807         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
5808         false values to be constant vectors with all 0 or all 1 bits set.
5809         (vcondu<mode><mode>): Likewise.
5810         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
5811         predicate.
5812         (fpmask_comparison_operator): Update comment.
5813         (vecint_comparison_operator): New predicate.
5814         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
5815         vector conditionals when the true and false values are constant
5816         vectors with all 0 bits or all 1 bits set.
5818 2017-02-06  Martin Sebor  <msebor@redhat.com>
5820         PR  tree-optimization/79376
5821         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
5823 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
5825         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
5826         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
5827         to simplify split condition.
5829 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
5831         * omp-expand.c (oxpand_omp_atomic_fetch_op,
5832         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
5833         false.
5835 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
5837         PR rtl-optimization/68664
5838         * target.def (can_speculate_insn): New hook.
5839         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
5840         * doc/tm.texi: Regenerate.
5841         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
5842         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
5843         (rs6000_sched_can_speculate_insn): New function.
5845 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
5847         PR tree-optimization/79284
5848         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
5849         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
5850         vectorizable_mask_load_store, vectorizable_operation,
5851         vect_is_simple_cond, get_same_sized_vectype): Use it instead
5852         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
5853         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
5854         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
5855         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
5856         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
5857         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
5858         is_gimple_assign (stmt).  Replace another such test with
5859         is_gimple_assign (stmt).
5861 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
5863         PR target/78883
5864         * config/avr/avr.c (rtl-iter.h): Include it.
5865         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
5866         (avr_legitimate_combined_insn): ...and implementation.
5868 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5870         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
5871         * config/s390/s390.c (s390_const_operand_ok)
5872         (s390_canonicalize_comparison, s390_extract_part)
5873         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
5874         (s390_contiguous_bitmask_p, s390_rtx_costs)
5875         (legitimize_pic_address): Likewise.
5876         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
5877         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
5878         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
5879         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
5880         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
5882 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
5884         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
5885         REGNO($0) == REGNO($1).
5887 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5889         * config/s390/linux.h(SIZE_TYPE): Add comment.
5891 2017-02-06  Julian Brown  <julian@codesourcery.com>
5892             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5893             Virendra Pathak  <virendra.pathak@broadcom.com>
5895         * config/aarch64/aarch64-cores.def: Change the scheduler
5896         to Thunderx2t99.
5897         * config/aarch64/aarch64.md: Include thunderx2t99.md.
5898         * config/aarch64/thunderx2t99.md: New file.
5900 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
5902         * doc/standards.texi (Go Language): Update link to language
5903         standard.
5905 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
5907         * tree-eh.c (lower_resx): Sanitize profile.
5908         (cleanup_empty_eh_move_lp): Likewise.
5910 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
5912         PR tree-ssa/79347
5913         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
5914         ELSE_PROB.
5915         * cfgloopmanip.h (loop_version): Update prototype.
5916         * modulo-sched.c (sms_schedule): Update call of loop_version.
5917         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
5918         * tree-parloops.c (gen_parallel_loop): Likewise.
5919         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
5920         * tree-ssa-loop-split.c (split_loop): Likewise.
5921         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
5922         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
5924 2017-02-05  Martin Liska  <mliska@suse.cz>
5926         PR bootstrap/78985
5927         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
5928         variable to NULL.
5929         (print_operand_address): Initialize a struct to zero.
5931 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
5933         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
5934         garbage collector only in textual form.
5936 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
5937         
5938         * doc/extend.texi (x86 specific memory model extensions for
5939         transactional memory): Simplify a phrase.
5941 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
5943         PR target/79353
5944         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
5945         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
5946         (atomic_storedi_1): Likewise.
5948 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
5950         PR tree-optimization/79338
5951         * tree-parloops.c (gather_scalar_reductions): Don't call
5952         vect_analyze_loop_form for loop->inner before destroying loop's
5953         loop_vinfo.
5955 2017-02-03  Martin Sebor  <msebor@redhat.com>
5957         PR tree-optimization/79327
5958         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
5959         when precision has resulted in leading zeros.
5960         (format_integer): Adjust the likely counter to assume an unknown
5961         argument that may be zero is non-zero.
5963 2017-02-03  Jason Merrill  <jason@redhat.com>
5965         PR c++/78689
5966         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
5967         avoid copying non-taken branch.
5969 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
5971         PR tree-optimization/79340
5972         * tree-vect-loop.c (vectorizable_reduction): Release
5973         vec_defs elements after safe_splicing them into other vectors.
5974         Formatting fixes.
5976         PR tree-optimization/79327
5977         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
5978         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
5979         dirtype.
5980         (format_integer): Use wide_int_to_tree instead of build_int_cst
5981         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
5982         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
5983         of shortest and longest sequence.
5985 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
5987         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5988         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
5990 2017-02-03  Walter Lee  <walt@tilera.com>
5992         PR target/78862
5993         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
5994         after initial stackframe link reg save.
5995         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
5997 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
5999         PR target/79354
6000         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
6001         wu for stxssp alternative.
6003 2017-02-03  Martin Sebor  <msebor@redhat.com>
6005         PR tree-optimization/79352
6006         * gimple-fold.c (get_range_strlen): Add argument.
6007         (get_range_strlen): Change return type to bool.
6008         (get_maxval_strlen): Pass in a dummy argument.
6009         * gimple-fold.h (get_range_strlen): Change return type to bool.
6010         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
6011         * tree.h (array_at_struct_end_p): Add argument.
6012         * tree.c (array_at_struct_end_p): Handle it.
6014 2017-02-03  Martin Liska  <mliska@suse.cz>
6016         PR lto/66295
6017         * multiple_target.c (create_dispatcher_calls): Redirect edge
6018         from a caller of a dispatcher.
6019         (expand_target_clones): Make the clones local.
6020         (ipa_target_clone): Do both target clones and resolvers.
6021         (ipa_dispatcher_calls): Remove the pass.
6022         (pass_dispatcher_calls::gate): Likewise.
6023         (make_pass_dispatcher_calls): Likewise.
6024         * passes.def (pass_target_clone): Put as very first IPA early
6025         pass.
6027 2017-02-03  Martin Liska  <mliska@suse.cz>
6029         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
6030         in case of a function with ifunc attribute.
6032 2017-02-03  Martin Liska  <mliska@suse.cz>
6034         * cgraph.c (cgraph_node::dump): Dump function version info.
6035         * symtab.c (symtab_node::dump_base): Add missing new line.
6037 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
6039         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
6040         (ifcombine_ifandif): Use it.
6042 2017-02-03  Martin Liska  <mliska@suse.cz>
6044         * doc/invoke.texi: Document default value for
6045         use-after-scope-direct-emission-threshold.
6047 2017-02-03  Martin Liska  <mliska@suse.cz>
6049         PR tree-optimization/79339
6050         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
6051         (format_floating): Likewise.
6053 2017-02-03  Martin Liska  <mliska@suse.cz>
6055         PR ipa/79337
6056         * ipa-prop.c (ipa_node_params_t::insert): Remove current
6057         implementation.
6058         (ipa_node_params_t::remove): Likewise.
6059         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
6060         initialization from removed ipa_node_params_t::insert.
6061         (ipa_node_params::~ipa_node_params): Move from removed
6062         ipa_node_params_t::release.
6063         * symbol-summary.h (symbol_summary::m_released): New member.
6064         Do not release a summary twice.  Do not allow to call finalizer
6065         for types of a summary that live in GGC memory.
6067 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6069         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
6070         cmp_branch fusion.
6072 2017-02-02  Martin Sebor  <msebor@redhat.com>
6074         PR middle-end/79275
6075         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
6076         (format_string): Tighten up the range of output for non-constant
6077         strings and correct the expected range for wide non-constant strings.
6079 2017-02-02  Martin Sebor  <msebor@redhat.com>
6081         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
6083         PR middle-end/32003
6084         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
6085         index.
6086         (-fdump-tree-@var): Add to index and document how to come up
6087         with pass-specific option and dump file names.
6088         (-fdump-passes): Clarify where to look for output.
6090 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
6092         PR middle-end/77445
6093         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
6094         statistics of the analyzed path; allow threading for speed when
6095         any of BBs along the path are optimized for speed.
6097 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
6099         PR middle-end/78468
6100         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
6101         settings of the virtual registers.
6103         Revert again
6104         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6106         * explow.c (get_dynamic_stack_size): Take known alignment of stack
6107         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
6108         needed.
6110 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6112         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
6113         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
6115 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6117         * config/s390/s390.md: Add missing comments with the expanded
6118         mnemonics.
6119         * config/s390/vector.md: Likewise.
6120         * config/s390/vx-builtins.md: Likewise.
6122 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
6124         PR target/79197
6125         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
6126         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
6127         conditions on a single line.
6129 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6131         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
6132         __S390_VX__ to __VX__.
6134 2017-02-01  Andrew Pinski  <apinski@cavium.com>
6136         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
6137         stmt_info to record_stmt_cost.
6138         (vect_get_known_peeling_cost): Pass stmt_info if known to
6139         record_stmt_cost.
6140         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
6141         cpu_vector_cost field into
6142         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
6143         field into vec_int_stmt_cost and vec_fp_stmt_cost.
6144         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
6145         splitting of scalar_stmt_cost and vec_stmt_cost.
6146         (thunderx_vector_cost): Likewise.
6147         (cortexa57_vector_cost): LIkewise.
6148         (exynosm1_vector_cost): Likewise.
6149         (xgene1_vector_cost): Likewise.
6150         (thunderx2t99_vector_cost): Improve after the splitting of the two
6151         fields.
6152         (aarch64_builtin_vectorization_cost): Update for the splitting of
6153         scalar_stmt_cost and vec_stmt_cost.
6155 2017-02-01  Torvald Riegel  <triegel@redhat.com>
6156             Richard Henderson  <rth@redhat.com>
6158         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
6159         conditional on existance of a fast atomic load.
6160         * optabs-query.c (can_atomic_load_p): New function.
6161         * optabs-query.h (can_atomic_load_p): Declare it.
6162         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
6163         no fast atomic load is available for the particular size of access.
6164         (expand_atomic_compare_and_swap): Likewise.
6165         (expand_atomic_load): Likewise.
6166         (expand_atomic_store): Likewise.
6167         (expand_atomic_fetch_op): Likewise.
6168         * testsuite/lib/target-supports.exp
6169         (check_effective_target_sync_int_128): Remove x86 because it provides
6170         no fast atomic load.
6171         (check_effective_target_sync_int_128_runtime): Likewise.
6173 2017-02-01  Richard Biener  <rguenther@suse.de>
6175         * graphite.c: Include tree-vectorizer.h for find_loop_location.
6176         (graphite_transform_loops): Provide opt-info for optimized nests.
6177         * tree-parloop.c (parallelize_loops): Provide opt-info for
6178         parallelized loops.
6180 2017-02-01  Richard Biener  <rguenther@suse.de>
6182         PR middle-end/79315
6183         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
6184         was not set before.
6186 2017-02-01  Richard Biener  <rguenther@suse.de>
6188         PR tree-optimization/71824
6189         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
6190         Verify the loops are valid in the merged SESE region.
6191         (scop_detection::can_represent_loop_1): Check analyzing the
6192         evolution of the number of iterations in the region succeeds.
6194 2017-01-31  Ian Lance Taylor  <iant@golang.org>
6196         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
6197         REG_ARGS_SIZE note to 32-bit push insns and call insn.
6199 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
6201         PR preprocessor/79210
6202         * input.c (get_substring_ranges_for_loc): Replace line_width
6203         assertion with error-handling.
6205 2017-01-31  Richard Biener  <rguenther@suse.de>
6207         PR tree-optimization/77318
6208         * graphite-sese-to-poly.c (extract_affine): Fix assert.
6209         (create_pw_aff_from_tree): Take loop parameter.
6210         (add_condition_to_pbb): Pass loop of the condition to
6211         create_pw_aff_from_tree.
6213 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
6215         * config/s390/s390.c (s390_asan_shadow_offset): New function.
6216         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
6218 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
6220         PR target/78597
6221         PR target/79038
6222         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
6223         no longer used.
6224         (convert_int_to_float128): Likewise.
6225         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
6226         (convert_int_to_float128): Likewise.
6227         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
6228         (UNSPEC_IEEE128_CONVERT): Likewise.
6229         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
6230         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
6231         Use local variables for IBM extended format.
6232         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
6233         (fix_trunc<mode>si2_fprs): Likewise.
6234         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
6235         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
6236         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
6237         to know that we can now have integers of all sizes in vector
6238         registers.
6239         (fix<uns>_<mode>di2_hw): Likewise.
6240         (float<uns>_<mode>si2_hw): Likewise.
6241         (fix_<mode>si2_hw): Likewise.
6242         (fixuns_<mode>si2_hw): Likewise.
6243         (float<uns>_<mode>di2_hw): Likewise.
6244         (float_<mode>di2_hw): Likewise.
6245         (float_<mode>si2_hw): Likewise.
6246         (floatuns_<mode>di2_hw): Likewise.
6247         (floatuns_<mode>si2_hw): Likewise.
6248         (xscvqp<su>wz_<mode>): Delete, no longer used.
6249         (xscvqp<su>dz_<mode>): Likewise.
6250         (xscv<su>dqp_<mode>): Likewise.
6251         (ieee128_mfvsrd_64bit): Likewise.
6252         (ieee128_mfvsrd_32bit): Likewise.
6253         (ieee128_mfvsrwz): Likewise.
6254         (ieee128_mtvsrw): Likewise.
6255         (ieee128_mtvsrd_64bit): Likewise.
6256         (ieee128_mtvsrd_32bit): Likewise.
6258 2017-01-31  Martin Liska  <mliska@suse.cz>
6260         PR ipa/79285
6261         * ipa-prop.c (ipa_free_all_node_params): Call release method
6262         instead of ~sumbol_summary to not to trigger double times
6263         dtor of hash_map.
6265 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
6267         PR tree-optimization/71691
6268         * bitmap.h (class auto_bitmap): New.
6269         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
6270         is_maybe_undefined instead of ssa_undefined_value_p.
6272 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6274         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
6275         __S390_ARCH_LEVEL__ to __ARCH__.
6277 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
6279         PR tree-optimization/79267
6280         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
6281         if should_remove_lhs_p is true.
6283 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
6285         PR debug/63238
6286         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
6287         (add_alignment_attribute): New.
6288         (base_type_die): Add alignment attribute.
6289         (subrange_type_die): Likewise.
6290         (modified_type_die): Likewise.
6291         (gen_array_type_die): Likewise.
6292         (gen_descr_array_type_die: Likewise.
6293         (gen_enumeration_type_die): Likewise.
6294         (gen_subprogram_die): Likewise.
6295         (gen_variable_die): Likewise.
6296         (gen_field_die): Likewise.
6297         (gen_ptr_to_mbr_type_die): Likewise.
6298         (gen_struct_or_union_type_die): Likewise.
6299         (gen_subroutine_type_die): Likewise.
6300         (gen_typedef_die): Likewise.
6301         (base_type_cmp): Compare alignment attribute.
6303 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6305         PR target/79170
6306         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
6307         (setb_unsigned) New pattern for setb with CCUNS.
6308         * config/rs6000/rs6000.c (expand_block_compare): Use a different
6309         subfc./subfe sequence to avoid overflow problems.  Generate a
6310         shorter sequence with cmpld/setb for power9.
6311         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
6312         for generating subfc. instruction.
6313         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
6314         now uses this instruction.
6316 2017-01-30  Ian Lance Taylor  <iant@google.com>
6318         PR debug/79289
6319         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
6320         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
6322 2017-01-30  Martin Sebor  <msebor@redhat.com>
6324         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
6325         Move constant to the right of a relational operator.
6326         (get_mpfr_format_length, format_character, format_string): Ditto.
6327         (should_warn_p, maybe_warn): Same.
6329         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
6331 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
6333         PR lto/79061
6334         * asan.c (get_translation_unit_decl): Remove function.
6335         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
6337 2017-01-30  Martin Liska  <mliska@suse.cz>
6339         PR gcov-profile/79259
6340         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
6341         -fprofile-generate.
6343 2017-01-30  Martin Liska  <mliska@suse.cz>
6345         PR bootstrap/78985
6346         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
6347         Initialize variables with NULL value.
6349 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
6351         PR target/79260
6352         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
6353         tm_p_file.
6354         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
6356 2017-01-30  Richard Biener  <rguenther@suse.de>
6358         PR tree-optimization/79276
6359         * tree-vrp.c (process_assert_insertions): Properly adjust common
6360         when removing a duplicate.
6362         * gcc.dg/torture/pr79276.c: New testcase.
6364 2017-01-30  Richard Biener  <rguenther@suse.de>
6366         PR tree-optimization/79256
6367         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
6368         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
6369         alignment on TYPE.
6370         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
6372 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6374         PR target/79240
6375         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
6376         ("*r<noxa>sbg_<mode>_sll_bitmask")
6377         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
6378         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
6379         Use contiguous_bitmask_nowrap_operand.
6381 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6383         PR target/79268
6384         * config/rs6000/altivec.h (vec_xl): Revise #define.
6385         (vec_xst): Likewise.
6387 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
6389         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
6391 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
6393         PR rtl-optimization/79194
6394         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
6395         traps before call to bypass_conditional_jumps.
6397 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
6399         PR tree-optimization/71374
6400         * lra-constraints.c (check_conflict_input_operands): New.
6401         (match_reload): Use it.
6403 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
6405         PR target/79131
6406         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
6407         account to calculate conflict_set.
6409 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
6411         PR rtl-optimization/78559
6412         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
6413         other_insn in combine.
6415 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
6417         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
6418         uint16_type_node for BT_UINT16.
6420 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
6422         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
6423         "RTL Tests" to menu.
6424         (GIMPLE Tests): New node.
6425         (RTL Tests): New node.
6427 2017-01-27  Richard Biener  <rguenther@suse.de>
6429         PR tree-optimization/79245
6430         * tree-loop-distribution.c (distribute_loop): Apply cost
6431         modeling also to detected patterns.
6433 2017-01-27  Richard Biener  <rguenther@suse.de>
6435         PR tree-optimization/71433
6436         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
6437         (compare_assert_loc): New function.
6438         (process_assert_insertions): Sort and optimize assert locations
6439         to remove duplicates and push down identical assertions on
6440         edges to their destination block.
6442 2017-01-27  Richard Biener  <rguenther@suse.de>
6444         PR tree-optimization/79244
6445         * tree-vrp.c (remove_range_assertions): Forcefully propagate
6446         out SSA names even if abnormal.
6448 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
6450         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
6451         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
6452         instead of MPFR_RNDN.
6454 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
6456         PR target/79239
6457         * arm.c (arm_option_override): Don't call build_target_option_node
6458         until after doing all option overrides.
6459         (arm_valid_target_attribute_tree): Likewise.
6461 2017-01-27  Martin Liska  <mliska@suse.cz>
6463         * doc/invoke.texi (-fprofile-arcs): Document profiling support
6464         for {cd}tors and C++ {cd}tors.
6466 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6468         * config/s390/s390.md ("*setmem_long_and")
6469         ("*setmem_long_and_31z"): Use zero_extend instead of and.
6471 2017-01-26  Martin Sebor  <msebor@redhat.com>
6473         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
6474         of precision.
6476 2017-01-26  Martin Sebor  <msebor@redhat.com>
6478         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
6479         HAVE_DFmode before using XFmode or DFmode.
6480         (parse_directive): Avoid using the z length modifier to avoid
6481         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
6483         PR middle-end/78703
6484         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
6485         to accept adjustment as an array.
6486         (get_int_range): New function.
6487         (struct directive): Make width and prec arrays.
6488         (directive::set_width, directive::set_precision): Call get_int_range.
6489         (format_integer, format_floating): Handle width and precision ranges.
6490         (format_string, parse_directive): Same.
6492 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6494         PR debug/79129
6495         * dwarf2out.c (generate_skeleton_bottom_up): For children with
6496         comdat_type_p set, just clone them, but keep the children in the
6497         original DIE.
6499         PR debug/78835
6500         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
6501         which have direct callers with -fvar-tracking-assignments enabled
6502         in the current TU.
6503         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
6504         inside of type units.
6506 2017-01-26  Martin Sebor  <msebor@redhat.com>
6508         PR middle-end/78703
6509         * gimple-ssa-sprintf.c (struct result_range): Add likely and
6510         unlikely counters.
6511         (struct format_result): Replace number_chars, number_chars_min,
6512         and number_chars_max with a single member of struct result_range.
6513         Remove bounded.
6514         (format_result::operator+=): Adjust.
6515         (struct fmtresult): Remove bounded.  Handle likely and unlikely
6516         counters.
6517         (fmtresult::adjust_for_width_or_precision): New function.
6518         (fmtresult:type_max_digits): New function.
6519         (bytes_remaining): Handle likely and unlikely counters.
6520         (min_bytes_remaining): Remove.
6521         (format_percent): Simplify.
6522         (format_integer, format_floating): Set likely and unlikely counters.
6523         (get_string_length, format_character, format_string): Same.
6524         (format_plain, should_warn_p): New function.
6525         (maybe_warn): Call should_warn_p.  Update diagnostic messages
6526         and handle those for all directives, including plain strings.
6527         (format_directive): Handle likely and unlikely counters.
6528         Remove unnecessary quoting from diagnostics.  Add an informational
6529         note.
6530         (add_bytes): Remove.
6531         (pass_sprintf_length::compute_format_length): Simplify.
6532         (try_substitute_return_value): Handle likely and unlikely counters.
6534 2017-01-26  Carl Love  <cel@us.ibm.com>
6536         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
6537         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
6539 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
6541         PR target/79131
6542         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
6543         endianess for subregs into account.
6544         * lra-constraints.c (lra_constraints): Do risky transformations
6545         always on the first iteration.
6546         * lra-lives.c (check_pseudos_live_through_calls): Add arg
6547         last_call_used_reg_set.
6548         (process_bb_lives): Define and use last_call_used_reg_set.
6549         * lra.c (lra): Always continue after lra_constraints on the first
6550         iteration.
6552 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
6554         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
6555         constant.
6556         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
6558 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6560         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
6561         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
6562         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
6563         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
6564         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
6565         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
6566         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
6567         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
6568         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
6570 2017-01-26  Marek Polacek  <polacek@redhat.com>
6572         PR c/79199
6573         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
6574         for the third operand.
6576 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6578         PR middle-end/79236
6579         * omp-low.c (struct omp_context): Add simt_stmt field.
6580         (scan_omp_for): Return omp_context *.
6581         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
6582         context to the _simt_ SIMD stmt.
6583         (lower_omp_for): For combined SIMD with sibling _simt_
6584         SIMD, make sure to use the same decls in _looptemp_
6585         clauses as in the sibling.
6587 2017-01-26  David Sherwood  <david.sherwood@arm.com>
6589         PR middle-end/79212
6590         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
6591         all contexts.
6593 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6595         PR target/70465
6596         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
6597         emit fld b; fld a; if possible.
6599         * brig-builtins.def: Update copyright years.
6600         * config/arm/arm_acle_builtins.def: Update copyright years.
6602 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
6604         PR target/79179
6605         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
6606         constraint instead of o for the stxsd instruction.
6608 2017-01-25  Carl Love  <cel@us.ibm.com>
6610         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
6611         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
6613 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
6615         * doc/invoke.texi (C++ Dialect Options): Fix typo.
6617 2017-01-25  Richard Biener  <rguenther@suse.de>
6619         PR tree-optimization/69264
6620         * target.def (vector_alignment_reachable): Improve documentation.
6621         * doc/tm.texi: Regenerate.
6622         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
6623         and add a comment.
6624         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
6625         earlier changes with respect to TYPE_USER_ALIGN.
6626         (vector_alignment_reachable_p): Likewise.  Improve dumping.
6628 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6630         PR target/79145
6631         * config/arm/arm.md (xordi3): Force constant operand into a register
6632         for TARGET_IWMMXT.
6634 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6636         * doc/invoke.texi (-fstore-merging): Correct default optimization
6637         levels at which it is enabled.
6638         (-O): Move -fstore-merging from list to...
6639         (-O2): ... Here.
6641 2017-01-25  Richard Biener  <rguenther@suse.de>
6643         PR debug/78363
6644         * omp-expand.c: Include debug.h.
6645         (expand_omp_taskreg): Make sure to generate early debug before
6646         outlining anything from a function.
6647         (expand_omp_target): Likewise.
6648         (grid_expand_target_grid_body): Likewise.
6650 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
6652         PR lto/79061
6653         * asan.c (get_translation_unit_decl): New function.
6654         (asan_add_global): Extract modules file name from globals
6655         TRANSLATION_UNIT_DECL name.
6657 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6659         PR target/77439
6660         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
6661         for long calls with APCS frame and VFP.
6663 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
6665         * cfg.c (original_copy_tables_initialized_p): New function.
6666         * cfg.h (original_copy_tables_initialized_p): New decl.
6667         * cfgrtl.c (relink_block_chain): Guard the call to
6668         free_original_copy_tables with a call to
6669         original_copy_tables_initialized_p.
6670         * cgraph.h (symtab_node::native_rtl_p): New decl.
6671         * cgraphunit.c (symtab_node::native_rtl_p): New function.
6672         (symtab_node::needed_p): Don't assert for early assembly output
6673         for __RTL functions.
6674         (cgraph_node::finalize_function): Set "force_output" for __RTL
6675         functions.
6676         (cgraph_node::analyze): Bail out early for __RTL functions.
6677         (analyze_functions): Update assertion to support __RTL functions.
6678         (cgraph_node::expand): Bail out early for __RTL functions.
6679         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
6680         __RTL functions.
6681         * function.h (struct function): Update comment for field
6682         "pass_startwith".
6683         * gimple-expr.c: Include "tree-pass.h".
6684         (gimple_has_body_p): Return false for __RTL functions.
6685         * Makefile.in (OBJS): Add run-rtl-passes.o.
6686         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
6687         accessor.
6688         (gcc::pass_manager::get_clean_slate): New accessor.
6689         * passes.c: Include "insn-addr.h".
6690         (should_skip_pass_p): Add logging.  Update logic for running
6691         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
6692         property-provider override so it is only done for gimple passes.
6693         Don't skip dfinit.
6694         (skip_pass): New function.
6695         (execute_one_pass): Call skip_pass when skipping passes.
6696         * read-md.c (md_reader::read_char): Support filtering
6697         the input to a subset of line numbers.
6698         (md_reader::md_reader): Initialize fields
6699         m_first_line and m_last_line.
6700         (md_reader::read_file_fragment): New function.
6701         * read-md.h (md_reader::read_file_fragment): New decl.
6702         (md_reader::m_first_line): New field.
6703         (md_reader::m_last_line): New field.
6704         * read-rtl-function.c (function_reader::create_function): Only
6705         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
6706         curr_properties.  Set DECL_INITIAL to a dummy block.
6707         (read_rtl_function_body_from_file_range): New function.
6708         * read-rtl-function.h (read_rtl_function_body_from_file_range):
6709         New decl.
6710         * run-rtl-passes.c: New file.
6711         * run-rtl-passes.h: New file.
6713 2017-01-24 Jeff Law  <law@redhat.com>
6715         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
6716         buffer size.
6718 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
6720         PR tree-optimization/79159
6721         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
6722         (record_nonwrapping_iv): Improve boundary using above function if no
6723         value range information.
6725 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
6726             Martin Jambor  <mjambor@suse.cz>
6728         * brig-builtins.def: New file.
6729         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
6730         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
6731         (DEF_HSAIL_SAT_BUILTIN): Likewise.
6732         (DEF_HSAIL_INTR_BUILTIN): Likewise.
6733         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
6734         * builtin-types.def (BT_INT8): New.
6735         (BT_INT16): Likewise.
6736         (BT_UINT8): Likewise.
6737         (BT_UINT16): Likewise.
6738         (BT_FN_ULONG): Likewise.
6739         (BT_FN_UINT_INT): Likewise.
6740         (BT_FN_UINT_ULONG): Likewise.
6741         (BT_FN_UINT_LONG): Likewise.
6742         (BT_FN_UINT_PTR): Likewise.
6743         (BT_FN_ULONG_PTR): Likewise.
6744         (BT_FN_INT8_FLOAT): Likewise.
6745         (BT_FN_INT16_FLOAT): Likewise.
6746         (BT_FN_UINT32_FLOAT): Likewise.
6747         (BT_FN_UINT16_FLOAT): Likewise.
6748         (BT_FN_UINT8_FLOAT): Likewise.
6749         (BT_FN_UINT64_FLOAT): Likewise.
6750         (BT_FN_UINT16_UINT32): Likewise.
6751         (BT_FN_UINT32_UINT16): Likewise.
6752         (BT_FN_UINT16_UINT16_UINT16): Likewise.
6753         (BT_FN_INT_PTR_INT): Likewise.
6754         (BT_FN_UINT_PTR_UINT): Likewise.
6755         (BT_FN_LONG_PTR_LONG): Likewise.
6756         (BT_FN_ULONG_PTR_ULONG): Likewise.
6757         (BT_FN_VOID_UINT64_UINT64): Likewise.
6758         (BT_FN_UINT8_UINT8_UINT8): Likewise.
6759         (BT_FN_INT8_INT8_INT8): Likewise.
6760         (BT_FN_INT16_INT16_INT16): Likewise.
6761         (BT_FN_INT_INT_INT): Likewise.
6762         (BT_FN_UINT_FLOAT_UINT): Likewise.
6763         (BT_FN_FLOAT_UINT_UINT): Likewise.
6764         (BT_FN_ULONG_UINT_UINT): Likewise.
6765         (BT_FN_ULONG_UINT_PTR): Likewise.
6766         (BT_FN_ULONG_ULONG_ULONG): Likewise.
6767         (BT_FN_UINT_UINT_UINT): Likewise.
6768         (BT_FN_VOID_UINT_PTR): Likewise.
6769         (BT_FN_UINT_UINT_PTR: Likewise.
6770         (BT_FN_UINT32_UINT64_PTR): Likewise.
6771         (BT_FN_INT_INT_UINT_UINT): Likewise.
6772         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
6773         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
6774         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
6775         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
6776         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
6777         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
6778         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
6779         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
6780         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
6781         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
6782         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
6783         * doc/frontends.texi: List BRIG FE.
6784         * doc/install.texi (Testing): Add BRIG tesring requirements.
6785         * doc/invoke.texi (Overall Options): Mention BRIG.
6786         * doc/standards.texi (Standards): Doucment BRIG HSA version.
6788 2017-01-24  Richard Biener  <rguenther@suse.de>
6790         PR translation/79208
6791         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
6793 2017-01-24  Martin Jambor  <mjambor@suse.cz>
6795         PR bootstrap/79198
6796         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
6797         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
6798         and known_contexts.
6800 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
6802         PR middle-end/79123
6803         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
6804         casts from signed to unsigned really don't have a range.
6806 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
6808         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
6809         GMP_RNDx for compatiblity.
6811 2017-01-24  Martin Liska  <mliska@suse.cz>
6813         PR bootstrap/79132
6814         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
6815         that would prevent us to call alloca with -1 as argument.
6817 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
6819         * dwarf2out.c (output_compilation_unit_header, output_file_names):
6820         Avoid -Wformat-security warning.
6822 2017-01-23  Andrew Pinski  <apinski@cavium.com>
6824         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
6825         cost table.
6827 2017-01-23  Martin Sebor  <msebor@redhat.com>
6829         PR middle-end/78703
6830         * gimple-ssa-sprintf.c (warn_level): New global.
6831         (format_integer): Use it here and throughout the rest of the file.
6832         Use the same switch to compute sign as base.
6833         (maybe_warn): New function.
6834         (format_directive): Factor out warnings into maybe_warn.
6835         Add debugging output.  Use warn_level.
6836         (add_bytes): Use warn_level.
6837         (pass_sprintf_length::compute_format_length): Add debugging output.
6838         (try_substitute_return_value): Same.
6839         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
6841         PR middle-end/78703
6842         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
6843         (struct fmtresult, format_integer, format_floating): Adjust.
6844         (fmtresult::fmtresult): Set max correctly in two argument ctor.
6845         (get_string_length, format_string,format_directive): Same.
6846         (pass_sprintf_length::compute_format_length): Same.
6847         (try_substitute_return_value): Simplify slightly.
6849         PR middle-end/78703
6850         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
6851         (fmtresult::operator+=): Outlined.
6852         (struct fmtresult): Add ctors.
6853         (struct conversion_spec): Rename...
6854         (struct directive): ...to this.  Add and remove data members.
6855         (directive::set_width, directive::set_precision): New functions.
6856         (format_percent): Use fmtresult ctor.
6857         (get_width_and_precision): Remove.
6858         (format_integer): Make naming changes.  Avoid computing width and
6859         precision.
6860         (format_floating): Same.  Adjust indentation.
6861         (format_character, format_none): New functions.
6862         (format_string): Moved character handling to format_character.
6863         (format_directive): Remove arguments, change return type.
6864         (parse_directive): New function.
6865         (pass_sprintf_length::compute_format_length): Move directive
6866         parsing to parse_directive.
6868 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
6870         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
6871         (assign_assembler_name_if_needed): ... this.
6872         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
6873         (assign_assembler_name_if_needed): ... this.
6874         (free_lang_data_in_cgraph): Adjust callers.
6875         * cgraphunit.c (cgraph_node::analyze): Likewise.
6876         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
6877         Likewise.
6879 2017-01-23  Richard Biener  <rguenther@suse.de>
6881         PR tree-optimization/79088
6882         PR tree-optimization/79188
6883         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
6884         resetting loop bounds after last path deletion.  Reset loop
6885         bounds of the target loop, make code match the comments.
6886         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
6887         Make sure loops need no fixups.
6889 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6891         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
6892         exponent support with double type for first argument.
6893         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
6894         type returned by __builtin_vec_extract_sig,
6895         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
6896         functions from "vector int" to "vector unsigned int" or from
6897         "vector long long int" to "vector unsigned long long int".
6898         Changed type returned by __builtin_vec_extract_exp,
6899         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
6900         functions from "vector int" to "vector unsigned int" or from
6901         "vector long long int" to "vector unsigned long long int".
6902         Changed return type of __builtin_vec_test_data_class,
6903         __builtin_vec_test_data_class_sp, and
6904         __builtin_vec_test_data_class_dp from "vector int" to
6905         "vector bool int" or from "vector long long int" to "vector bool
6906         long long int" and changed second argument type from "unsigned
6907         int" to "int".  Added new overloaded function forms "vector float
6908         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
6909         "vector float __builtin_vec_insert_exp_sp (vector float, vector
6910         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
6911         double, vector unsigned long long int)" and "vector double
6912         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
6913         long int)".  Changed return type of
6914         __builtin_scalar_test_data_class and
6915         __builtin_scalar_test_data_class_sp and
6916         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
6917         int" and changed second argument from "unsigned int" to "int".
6918         Changed type returned by __builtin_scalar_test_neg,
6919         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
6920         from "int" to "bool int".  Added new overloaded function form
6921         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
6922         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
6923         exponent double-precision with floating point first argument.
6924         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
6925         documentation of scalar_test_data_class, scalar_test_neg,
6926         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
6927         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
6928         vec_test_data_class built-in functions to reflect refinements in
6929         their type signatures.
6931 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
6933         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
6934         size of buf.
6935         (aarch64_elf_asm_destructor): Likewise.
6937 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
6939         PR rtl-optimization/78634
6940         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
6941         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
6942         * ifcvt.c (noce_try_cmove): Add missing cost check.
6944         PR rtl-optimization/71724
6945         * combine.c (if_then_else_cond): Look for situations where it is
6946         beneficial to undo the work of one of the recursive calls.
6948 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
6950         PR tree-optimization/70754
6951         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
6952         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
6953         combined stmt before it if not NULL.
6954         (combine_chains): Process refs reversely and compute dominance point
6955         for root ref.
6957 2017-01-23  Martin Liska  <mliska@suse.cz>
6959         PR tree-optimization/79196
6960         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
6961         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
6962         instead of memcmp.
6963         (strlen_optimize_stmt): Call the renamed function.
6965 2017-01-23  Michael Matz  <matz@suse.de>
6967         PR tree-optimization/78384
6968         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
6970 2017-01-23  Richard Biener  <rguenther@suse.de>
6972         PR tree-optimization/79186
6973         * tree-vrp.c (register_new_assert_for): Make sure we've seen
6974         both incoming edges before moving an assert.
6976 2017-01-23  Martin Jambor  <mjambor@suse.cz>
6978         * ipa-prop.c (load_from_param_1): Removed.
6979         (load_from_unmodified_param): Bits from load_from_param_1 put back
6980         here.
6981         (load_from_param): Removed.
6982         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
6983         with stmt.  Reverted back to use of load_from_unmodified_param.
6985 2017-01-23  Martin Jambor  <mjambor@suse.cz>
6987         PR ipa/79108
6988         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
6989         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
6990         field a pointer to garbage collected vector, mark lattices and
6991         ipcp_orig_node with GTY((skip)).
6992         (ipa_get_param_count): Adjust to descriptors being a pointer.
6993         (ipa_get_param): Likewise.
6994         (ipa_get_type): Likewise.
6995         (ipa_get_param_move_cost): Likewise.
6996         (ipa_set_param_used): Likewise.
6997         (ipa_get_controlled_uses): Likewise.
6998         (ipa_set_controlled_uses): Likewise.
6999         (ipa_is_param_used): Likewise.
7000         (ipa_node_params_t): Move into garbage collector.  New methods insert
7001         and remove.
7002         (ipa_node_params_sum): Annotate wth GTY(()).
7003         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
7004         garbage collected.
7005         (ipa_load_from_parm_agg): Adjust declaration.
7006         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
7007         * ipa-profile.c (ipa_profile): Likewise.
7008         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
7009         (ipa_populate_param_decls): Make descriptors parameter garbage
7010         collected.
7011         (ipa_dump_param): Adjust to descriptors being a pointer.
7012         (ipa_alloc_node_params): Likewise.
7013         (ipa_initialize_node_params): Likewise.
7014         (load_from_param_1): Make descriptors parameter garbage collected.
7015         (load_from_unmodified_param): Likewise.
7016         (load_from_param): Likewise.
7017         (ipa_load_from_parm_agg): Likewise.
7018         (ipa_node_params::~ipa_node_params): Removed.
7019         (ipa_free_all_node_params): Remove call to delete operator.
7020         (ipa_node_params_t::insert): New.
7021         (ipa_node_params_t::remove): Likewise.
7022         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
7023         copy known_csts and known_contexts vectors.
7024         (ipa_read_node_info): Adjust to descriptors being a pointer.
7025         (ipcp_modif_dom_walker): Make m_descriptors field garbage
7026         collected.
7027         (ipcp_transform_function): Make descriptors variable garbage
7028         collected.
7030 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
7032         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
7033         * config/i386/avx512dqintrin.h: Ditto.
7034         * config/i386/avx512fintrin.h: Ditto.
7035         * gcc/config/i386/i386.c: Handle new builtins.
7036         * config/i386/i386-builtin.def: Add new builtins.
7037         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
7038         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
7040 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
7041             Martin Liska  <mliska@suse.cz>
7043         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
7044         * asan.c (asan_expand_poison_ifn): Support stores and use
7045         appropriate ASAN report function.
7046         * internal-fn.c (expand_ASAN_POISON_USE): New function.
7047         * internal-fn.def (ASAN_POISON_USE): Declare.
7048         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
7049         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
7050         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
7051         ASAN_POISON calls w/o LHS.
7052         * tree-ssa.c (execute_update_addresses_taken): Create clobber
7053         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
7054         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
7055         * gimplify.c (asan_poison_variables): Add attribute
7056         use_after_scope_memory to variables that really needs to live
7057         in memory.
7058         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
7059         having the attribute.
7061 2017-01-23  Martin Liska  <mliska@suse.cz>
7063         * asan.c (create_asan_shadow_var): New function.
7064         (asan_expand_poison_ifn): Likewise.
7065         * asan.h (asan_expand_poison_ifn): New declaration.
7066         * internal-fn.c (expand_ASAN_POISON): Likewise.
7067         * internal-fn.def (ASAN_POISON): New builtin.
7068         * sanopt.c (pass_sanopt::execute): Expand
7069         asan_expand_poison_ifn.
7070         * tree-inline.c (copy_decl_for_dup_finish): Make function
7071         external.
7072         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
7073         * tree-ssa.c (is_asan_mark_p): New function.
7074         (execute_update_addresses_taken): Rewrite local variables
7075         (identified just by use-after-scope as addressable) into SSA.
7077 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
7079         * doc/install.texi (Specific): opensource.apple.com uses https
7080         now. Remove trailing slash.
7082 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
7084         * README.Portability: Remove note on an Irix compatibility issue.
7086 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
7088         * gcov.c (INCLUDE_ALGORITHM): Define.
7089         (INCLUDE_VECTOR): Define.
7090         No longer include <vector> and <algorithm> directly.
7092 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
7094         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
7095         to https.
7096         * doc/invoke.texi (Code Gen Options): Ditto.
7098 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
7100         PR lto/78407
7101         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
7103 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7105         rtl-optimization/79125
7106         * cprop.c (local_cprop_pass): Handle cases where we make an
7107         unconditional trap.
7109 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
7111         PR target/61729
7112         PR target/77850
7113         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
7114         read from, for big endian.
7116 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
7118         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
7119         register pauth builtins for LP64 only.
7121 2017-01-20  Marek Polacek  <polacek@redhat.com>
7123         PR c/79152
7124         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
7125         non-case labels.
7127 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
7129         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
7130         of safelen status.
7131         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
7132         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
7133         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
7135 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7137         PR target/71270
7138         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
7139         in big-endian mode when they are not a single duplicated value.
7141 2017-01-20  Richard Biener  <rguenther@suse.de>
7143         * BASE-VER: Bump to 7.0.1.
7145 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
7147         * omp-low.c (omplow_simd_context): New struct.  Use it...
7148         (lower_rec_simd_input_clauses): ...here and...
7149         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
7150         references to idx, lane, max_vf, is_simt.
7152 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
7154         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
7155         mcpu=nps400.
7157 2017-01-20  Martin Jambor  <mjambor@suse.cz>
7159         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
7160         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
7161         gt-hsa-common.h.
7162         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
7163         (GTFILES): Rename hsa.c to hsa-common.c.
7164         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
7165         * hsa-dump.c: Likewise.
7166         * hsa-gen.c: Likewise.
7167         * hsa-regalloc.c: Likewise.
7168         * ipa-hsa.c: Likewise.
7169         * omp-expand.c: Likewise.
7170         * omp-low.c: Likewise.
7171         * toplev.c: Likewise.
7173 2017-01-20  Marek Polacek  <polacek@redhat.com>
7175         PR c/64279
7176         * doc/invoke.texi: Document -Wduplicated-branches.
7177         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
7178         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
7179         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
7180         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
7181         return 0 only when not OEP_LEXICOGRAPHIC.
7182         (fold_build_cleanup_point_expr): Use the expression
7183         location when building CLEANUP_POINT_EXPR.
7184         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
7185         * tree.c (add_expr): Handle error_mark_node.
7187 2017-01-20  Martin Liska  <mliska@suse.cz>
7189         PR lto/69188
7190         * tree-profile.c (init_ic_make_global_vars): Do not call
7191         finalize_decl.
7192         (gimple_init_gcov_profiler): Likewise.
7194 2017-01-20  Martin Liska  <mliska@suse.cz>
7196         PR ipa/71190
7197         * cgraph.h (maybe_create_reference): Remove argument and
7198         update comment.
7199         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
7200         argument.
7201         * ipa-cp.c (create_specialized_node): Likewise.
7202         * symtab.c (symtab_node::maybe_create_reference): Handle
7203         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
7205 2017-01-20  Martin Liska  <mliska@suse.cz>
7207         * read-rtl-function.c (function_reader::create_function): Use
7208         build_decl instread of build_decl_stat.
7210 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
7212         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
7213         * config/i386/avx512dqintrin.h: Ditto.
7214         * config/i386/avx512fintrin.h: Ditto.
7215         * config/i386/i386-builtin-types.def: Add new types.
7216         * gcc/config/i386/i386.c: Handle new types.
7217         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
7218         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
7219         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
7220         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
7221         (__builtin_ia32_kshiftridi): New.
7222         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
7224 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
7226         PR target/78875
7227         PR target/79140
7228         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
7229         define to rs6000_init_stack_protect_guard.
7230         (rs6000_init_stack_protect_guard): New function.
7232 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
7233             Yunqiang Su  <yunqiang.su@imgtec.com>
7235         * config.gcc (supported_defaults): Add madd4.
7236         (with_madd4): Add validation.
7237         (all_defaults): Add madd4.
7238         * config/mips/mips.opt (mmadd4): New option.
7239         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
7240         mmadd4.
7241         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
7242         __mips_no_madd4.
7243         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
7244         (ISA_HAS_FUSED_MADD4): Likewise.
7245         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
7246         * gcc/doc/install.texi (--with-madd4): Document the new option.
7248 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7250         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
7251         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
7252         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
7253         (aarch64_init_pauth_hint_builtins): New.
7254         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
7255         (aarch64_expand_builtin): Expand new builtins.
7257 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7259         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
7260         * combine-stack-adj.c (no_unhandled_cfa): Handle
7261         REG_CFA_TOGGLE_RA_MANGLE.
7262         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
7263         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
7264         info for return address signing.
7265         (aarch64_expand_epilogue): Likewise.
7267 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7269         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
7270         * config/aarch64/aarch64-protos.h
7271         (aarch64_return_address_signing_enabled): New declaration.
7272         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
7273         New function.
7274         (aarch64_expand_prologue): Sign return address before it's pushed onto
7275         stack.
7276         (aarch64_expand_epilogue): Authenticate return address fetched from
7277         stack.
7278         (aarch64_override_options): Sanity check for ILP32 and ISA level.
7279         (aarch64_attributes): New function attributes for "sign-return-address".
7280         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
7281         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
7282         ("*do_return"): Generate combined instructions according to key index.
7283         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
7284         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
7285         iterators.
7286         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
7287         * config/aarch64/aarch64.opt (msign-return-address=): New.
7288         * doc/extend.texi (AArch64 Function Attributes): Documents
7289         "sign-return-address=".
7290         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
7292 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
7294         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
7295         overall option summary.
7297 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7299         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
7300         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
7301         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
7302         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
7304 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
7306         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
7307         -mpower9-minmax by default for -mcpu=power9.
7308         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
7309         128-bit floating point.
7311 2017-01-20  Alan Modra  <amodra@gmail.com>
7313         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
7314         optimizing for size.
7316 2017-01-20  Alan Modra  <amodra@gmail.com>
7318         PR target/79144
7319         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
7320         for strcmp and strncmp from corresponding builtin decl.
7322 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
7324         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
7325         instead of i386/rtems-64.h.
7326         * config/i386/rtems-64.h: Remove.
7328 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
7330         PR target/78478
7331         Revert:
7332         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
7334         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
7336 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
7338         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
7339         Change int to HOST_WIDE_INT.
7340         * config/aarch64/aarch64-protos.h
7341         (aarch64_simd_gen_const_vector_dup): Likewise.
7342         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
7344 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
7346         * langhooks-def.h (lhd_type_for_size): New decl.
7347         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
7348         * langhooks.c (lhd_type_for_size): New function, taken from
7349         lto_type_for_size.
7351 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
7353         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
7354         define_bypass for CR latency.
7355         (power9-cracked-alu): Update bypass latency and remove power9-branch.
7356         (power9-alu2): Add define_bypass for CR latency.
7357         (power9-cmp): New.
7358         (power9-mul): Update insn latency.
7359         (power9-mul-compare): Update insn latency, bypass latency and remove
7360         power9-branch.
7362 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7364         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
7365         Delete.
7366         * config/aarch64/aarch64.md
7367         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
7368         aarch64_nopcrelative_literal_loads.
7369         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
7371 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
7373         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
7374         TARGET_LOONGSON_3A.
7375         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
7377 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
7379         PR target/78176
7380         * config.gcc (supported_defaults): Add lxc1-sxc1.
7381         (with_lxc1_sxc1): Add validation.
7382         (all_defaults): Add lxc1-sxc1.
7383         * config/mips/mips.opt (mlxc1-sxc1): New option.
7384         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
7385         mlxc1-sxc1.
7386         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
7387         __mips_no_lxc1_sxc1.
7388         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
7389         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
7390         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
7392 2017-01-19  Richard Biener  <rguenther@suse.de>
7394         PR tree-optimization/72488
7395         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
7396         sure to restore SSA info.
7397         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
7399 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
7401         PR rtl-optimization/79121
7402         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
7403         of the inner type when shifting an extended value.
7405 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
7407         PR lto/78407
7408         * symtab.c (symtab_node::equal_address_to): Fix comparing of
7409         interposable aliases.
7411 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
7413         PR target/78516
7414         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
7415         Use the evmergelohi instruction.
7416         (mov_si<mode>_e500_subreg4_2_le): Likewise.
7417         (mov_sitf_e500_subreg8_2_be): Likewise.
7418         (mov_sitf_e500_subreg12_2_le): Likewise.
7419         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
7420         (mov_si<mode>_e500_subreg4_2_be): Likewise.
7421         (mov_sitf_e500_subreg8_2_le): Likewise.
7422         (mov_sitf_e500_subreg12_2_be): Likewise.
7424 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7426         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
7427         attribute from vecsimple to vecperm.
7428         (altivec_vbpermq2): Likewise.
7430 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7432         PR target/79040
7433         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
7435 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7436         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
7437         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
7438         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
7439         case where N arg is SIZE_MAX.
7440         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
7441         (cmpstrsi): Add pattern.
7443 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
7445         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7446         __builtin_vec_revb builtins.
7447         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
7448         built-in functions to support generation of the ISA 3.0 XXBR<x>
7449         vector byte reverse instructions.
7450         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
7451         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
7452         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
7453         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
7454         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
7455         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
7456         (P9V_BUILTIN_VEC_REVB): Likewise.
7457         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
7458         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
7459         (p9_xxbrq_v16qi): Likewise.
7460         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
7461         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
7462         (p9_xxbrh_v8hi): Likewise.
7463         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
7464         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
7465         vec_revb built-in functions.
7467 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
7469         PR rtl-optimization/78952
7470         * config/i386/i386.md (any_extract): New code iterator.
7471         (*insvqi_2): Use any_extract for source operand.
7472         (*insvqi_3): Use any_shiftrt for source operand.
7474 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
7476         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
7477         New function.
7478         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
7480 2017-01-18  Matthias Klose  <doko@ubuntu.com>
7482         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
7484 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7486         * config/rs6000/altivec.h (vec_bperm): Change #define.
7487         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
7488         (altivec_vbpermq2): New define_insn.
7489         (altivec_vbpermd): Likewise.
7490         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
7491         function interface.
7492         (VBPERMD): Likewise.
7493         (VBPERM): New polymorphic function interface.
7494         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
7495         Add entries for P9V_BUILTIN_VEC_VBPERM.
7496         * doc/extend.texi: Add interfaces for vec_bperm.
7498 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7500         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
7501         first letter of error messages.
7502         (s390_resolve_overloaded_builtin): Likewise.
7503         * config/s390/s390.c (s390_expand_builtin): Likewise.
7504         (s390_invalid_arg_for_unprototyped_fn): Likewise.
7505         (s390_valid_target_attribute_inner_p): Likewise.
7506         * config/s390/s390.md ("tabort"): Likewise.
7508 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
7510         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
7511         (ISA_AVOID_DIV_HILO): New macro.
7512         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
7513         (ISA_HAS_DDIV): Likewise.
7515 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7517         * doc/invoke.texi (fabi-version): Correct number of occurrences.
7519 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7521         * doc/invoke.texi (fabi-version): Spelling fix.
7523 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7525         PR c++/70182
7526         * doc/invoke.texi (fabi-version): Mention mangling fix for
7527         operator names.
7529 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7531         PR c++/77489
7532         * doc/invoke.texi (fabi-version): Document discriminator mangling.
7534 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
7536         PR target/78875
7537         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
7538         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
7539         the new options.
7540         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
7541         flexible settings.
7542         (stack_protect_test): Ditto.
7543         * config/rs6000/rs6000.opt (mstack-protector-guard=,
7544         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
7545         options.
7546         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
7547         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
7548         -mstack-protector-guard-offset=.
7549         (RS/6000 and PowerPC Options): Ditto.
7551 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
7553         * config/i386/i386.h (MASK_CLASS_P): New define.
7554         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
7555         there are no registers from different register sets also when
7556         mask registers are used.  Update function comment.
7557         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
7558         to (*k/*r) and (*k/*km) alternatives.
7560 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
7562         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
7563         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
7564         (EH_RETURN_HANDLER_RTX): New define.
7565         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
7566         Force frame pointer in EH return functions.
7567         (aarch64_expand_epilogue): Add barrier for eh_return.
7568         (aarch64_final_eh_return_addr): Remove.
7569         (aarch64_eh_return_handler_rtx): New function.
7570         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
7571         Remove.
7572         (aarch64_eh_return_handler_rtx): New prototype.
7574 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7576         * config/rs6000/altivec.h (vec_rlmi): New #define.
7577         (vec_vrlnm): Likewise.
7578         (vec_rlnm): Likewise.
7579         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
7580         (UNSPEC_VRLNM): Likewise.
7581         (VIlong): New mode iterator.
7582         (altivec_vrl<VI_char>mi): New define_insn.
7583         (altivec_vrl<VI_char>nm): Likewise.
7584         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
7585         function entry.
7586         (VRLDNM): Likewise.
7587         (RLNM): New polymorphic function entry.
7588         (VRLWMI): New monomorphic function entry.
7589         (VRLDMI): Likewise.
7590         (RLMI): New polymorphic function entry.
7591         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
7592         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
7593         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
7594         vec_vrlnm.
7596 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7598         PR debug/78839
7599         * dwarf2out.c (field_byte_offset): Restore the
7600         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
7601         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
7602         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
7603         of build2 + fold.
7605 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7607         PR ada/67205
7608         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
7610 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7612         PR debug/71669
7613         * dwarf2out.c (add_data_member_location_attribute): For constant
7614         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
7615         instead of DW_AT_data_member_location, DW_AT_bit_offset and
7616         DW_AT_byte_size attributes.
7618 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7620         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
7621         after forcing to constant memory when the code model is medium.
7623 2017-01-17  Julia Koval  <julia.koval@intel.com>
7625         PR target/76731
7626         * config/i386/avx512fintrin.h
7627         (_mm512_i32gather_ps): Change __addr type to void const*.
7628         (_mm512_mask_i32gather_ps): Ditto.
7629         (_mm512_i32gather_pd): Ditto.
7630         (_mm512_mask_i32gather_pd): Ditto.
7631         (_mm512_i64gather_ps): Ditto.
7632         (_mm512_mask_i64gather_ps): Ditto.
7633         (_mm512_i64gather_pd): Ditto.
7634         (_mm512_mask_i64gather_pd): Ditto.
7635         (_mm512_i32gather_epi32): Ditto.
7636         (_mm512_mask_i32gather_epi32): Ditto.
7637         (_mm512_i32gather_epi64): Ditto.
7638         (_mm512_mask_i32gather_epi64): Ditto.
7639         (_mm512_i64gather_epi32): Ditto.
7640         (_mm512_mask_i64gather_epi32): Ditto.
7641         (_mm512_i64gather_epi64): Ditto.
7642         (_mm512_mask_i64gather_epi64): Ditto.
7643         (_mm512_i32scatter_ps): Change __addr type to void*.
7644         (_mm512_mask_i32scatter_ps): Ditto.
7645         (_mm512_i32scatter_pd): Ditto.
7646         (_mm512_mask_i32scatter_pd): Ditto.
7647         (_mm512_i64scatter_ps): Ditto.
7648         (_mm512_mask_i64scatter_ps): Ditto.
7649         (_mm512_i64scatter_pd): Ditto.
7650         (_mm512_mask_i64scatter_pd): Ditto.
7651         (_mm512_i32scatter_epi32): Ditto.
7652         (_mm512_mask_i32scatter_epi32): Ditto.
7653         (_mm512_i32scatter_epi64): Ditto.
7654         (_mm512_mask_i32scatter_epi64): Ditto.
7655         (_mm512_i64scatter_epi32): Ditto.
7656         (_mm512_mask_i64scatter_epi32): Ditto.
7657         (_mm512_i64scatter_epi64): Ditto.
7658         (_mm512_mask_i64scatter_epi64): Ditto.
7659         * config/i386/avx512pfintrin.h
7660         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
7661         (_mm512_mask_prefetch_i32gather_ps): Ditto.
7662         (_mm512_mask_prefetch_i64gather_pd): Ditto.
7663         (_mm512_mask_prefetch_i64gather_ps): Ditto.
7664         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
7665         (_mm512_prefetch_i32scatter_ps): Ditto.
7666         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
7667         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
7668         (_mm512_prefetch_i64scatter_pd): Ditto.
7669         (_mm512_prefetch_i64scatter_ps): Ditto.
7670         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
7671         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
7672         * config/i386/avx512vlintrin.h
7673         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
7674         (_mm_mmask_i32gather_ps): Ditto.
7675         (_mm256_mmask_i32gather_pd): Ditto.
7676         (_mm_mmask_i32gather_pd): Ditto.
7677         (_mm256_mmask_i64gather_ps): Ditto.
7678         (_mm_mmask_i64gather_ps): Ditto.
7679         (_mm256_mmask_i64gather_pd): Ditto.
7680         (_mm_mmask_i64gather_pd): Ditto.
7681         (_mm256_mmask_i32gather_epi32): Ditto.
7682         (_mm_mmask_i32gather_epi32): Ditto.
7683         (_mm256_mmask_i32gather_epi64): Ditto.
7684         (_mm_mmask_i32gather_epi64): Ditto.
7685         (_mm256_mmask_i64gather_epi32): Ditto.
7686         (_mm_mmask_i64gather_epi32): Ditto.
7687         (_mm256_mmask_i64gather_epi64): Ditto.
7688         (_mm_mmask_i64gather_epi64): Ditto.
7689         (_mm256_i32scatter_ps): Change __addr type to void*.
7690         (_mm256_mask_i32scatter_ps): Ditto.
7691         (_mm_i32scatter_ps): Ditto.
7692         (_mm_mask_i32scatter_ps): Ditto.
7693         (_mm256_i32scatter_pd): Ditto.
7694         (_mm256_mask_i32scatter_pd): Ditto.
7695         (_mm_i32scatter_pd): Ditto.
7696         (_mm_mask_i32scatter_pd): Ditto.
7697         (_mm256_i64scatter_ps): Ditto.
7698         (_mm256_mask_i64scatter_ps): Ditto.
7699         (_mm_i64scatter_ps): Ditto.
7700         (_mm_mask_i64scatter_ps): Ditto.
7701         (_mm256_i64scatter_pd): Ditto.
7702         (_mm256_mask_i64scatter_pd): Ditto.
7703         (_mm_i64scatter_pd): Ditto.
7704         (_mm_mask_i64scatter_pd): Ditto.
7705         (_mm256_i32scatter_epi32): Ditto.
7706         (_mm256_mask_i32scatter_epi32): Ditto.
7707         (_mm_i32scatter_epi32): Ditto.
7708         (_mm_mask_i32scatter_epi32): Ditto.
7709         (_mm256_i32scatter_epi64): Ditto.
7710         (_mm256_mask_i32scatter_epi64): Ditto.
7711         (_mm_i32scatter_epi64): Ditto.
7712         (_mm_mask_i32scatter_epi64): Ditto.
7713         (_mm256_i64scatter_epi32): Ditto.
7714         (_mm256_mask_i64scatter_epi32): Ditto.
7715         (_mm_i64scatter_epi32): Ditto.
7716         (_mm_mask_i64scatter_epi32): Ditto.
7717         (_mm256_i64scatter_epi64): Ditto.
7718         (_mm256_mask_i64scatter_epi64): Ditto.
7719         (_mm_i64scatter_epi64): Ditto.
7720         (_mm_mask_i64scatter_epi64): Ditto.
7721         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
7722         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
7723         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
7724         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
7725         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
7726         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
7727         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
7728         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
7729         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
7730         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
7731         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
7732         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
7733         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
7734         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
7735         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
7736         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
7737         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
7738         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
7739         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
7740         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
7741         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
7742         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
7743         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
7744         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
7745         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
7746         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
7747         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
7748         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
7749         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
7750         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
7751         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
7752         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
7753         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
7754         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
7755         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
7756         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
7757         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
7758         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
7759         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
7760         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
7761         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
7762         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
7763         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
7764         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
7765         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
7766         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
7767         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
7768         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
7769         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
7770         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
7771         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
7772         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
7773         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
7774         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
7775         definitions accordingly.
7777 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
7778             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
7780         PR target/79079
7781         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
7782         gen_lowpart.
7784 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
7786         PR target/79058
7787         * ira-conflicts.c (ira_build_conflicts): Update total conflict
7788         hard regs for inner regno.
7790 2017-01-17  Martin Liska  <mliska@suse.cz>
7792         PR ipa/71207
7793         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
7794         assumption and add comment.
7796 2017-01-17  Nathan Sidwell  <nathan@acm.org>
7798         * ipa-visibility.c (localize_node): New function, broken out of ...
7799         (function_and_variable_visibility): ... here. Call it.
7801 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
7803         PR middle-end/77445
7804         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
7805         correctly set frequency of oudgoing edge.
7806         (duplicate_thread_path): Fix profile updating.
7808 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7810         PR other/79046
7811         * configure.ac: Add GCC_BASE_VER.
7812         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
7813         version from BASE-VER file.
7814         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
7815         (gcc.o): Depend on $(BASEVER).
7816         * common.opt (dumpfullversion): New option.
7817         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
7818         * doc/invoke.texi: Document -dumpfullversion.
7819         * doc/install.texi: Document --with-gcc-major-version-only.
7820         * configure: Regenerated.
7822 2017-01-17  Richard Biener  <rguenther@suse.de>
7824         PR tree-optimization/71433
7825         * tree-vrp.c (register_new_assert_for): Merge same asserts
7826         on all incoming edges.
7827         (process_assert_insertions_for): Handle insertions at the
7828         beginning of BBs.
7830 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
7832         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
7833         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
7835 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
7837         PR target/78633
7838         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
7839         RTL sharing.
7841 2017-01-17  Alan Modra  <amodra@gmail.com>
7843         PR target/79066
7844         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
7845         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
7846         symbolic stack limit when pic.
7848 2017-01-16  Martin Sebor  <msebor@redhat.com>
7850         PR tree-optimization/78608
7851         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
7853 2017-01-16  Jeff Law  <law@redhat.com>
7855         Revert:
7856         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
7857         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
7858         for several include directories that may be relative to sysroot.
7859         * config/i386/x-mingw32 (gplus_includedir): Define.
7860         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
7861         (native_system_includedir): Likewise.
7862         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
7863         override if TARGET_SYSTEM_ROOT is defined.
7864         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
7866         PR tree-optimization/79090
7867         PR tree-optimization/33562
7868         PR tree-optimization/61912
7869         PR tree-optimization/77485
7870         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
7871         and computed trims into the dump file.
7873 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
7875         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
7877 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
7879         PR c/79089
7880         * gimplify.c (gimplify_init_constructor): If want_value and
7881         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
7882         fix.
7884         PR target/79080
7885         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
7886         sequence.  Formatting fixes.
7887         (doloop_optimize): Formatting fixes.
7889         PR driver/49726
7890         * gcc.c (debug_level_greater_than_spec_func): New function.
7891         (static_spec_functions): Add debug-level-gt spec function.
7892         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
7893         !g0.
7894         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
7895         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
7896         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
7897         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
7898         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
7899         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
7901 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
7903         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
7904         QImode fixups to general and mask registers only.
7906 2017-01-16  Carl Love  <cel@us.ibm.com>
7908         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
7909         for built-in functions
7910         vector signed char vec_nabs (vector signed char)
7911         vector signed short vec_nabs (vector signed short)
7912         vector signed int vec_nabs (vector signed int)
7913         vector signed long long vec_nabs (vector signed long long)
7914         vector float vec_nabs (vector float)
7915         vector double vec_nabs (vector double)
7916         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
7917         and NABS overload.
7918         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
7919         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
7920         * doc/extend.texi: Update the documentation file for the new built-in
7921         functions.
7923 2017-01-16  Martin Sebor  <msebor@redhat.com>
7925         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
7926         message.
7928 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7930         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
7931         UNSPEC_VSX__XXSPLTD to require special splat handling.
7933 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
7935         PR bootstrap/78616
7936         * system.h: Poison strndup.
7938 2017-01-16  Alan Modra  <amodra@gmail.com>
7940         PR target/79098
7941         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
7942         use a switch.
7944 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
7946         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
7948 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
7950         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
7951         call recog here.  Assert that INSN_CODE (insn) is non-negative.
7953 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
7955         PR target/72749
7956         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
7957         fallthrough.
7958         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
7959         in the currently scheduled RTL fragment.
7961 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
7963         PR rtl-optimization/78751
7964         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
7965         give up.
7967 2017-01-14  Jeff Law  <law@redhat.com>
7969         PR tree-optimization/79090
7970         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
7971         variable length stores.
7972         (compute_trims): Delete dead assignment to *trim_tail.
7973         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
7974         zero length.
7976 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
7978         PR rtl-optimization/78626
7979         PR rtl-optimization/78727
7980         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
7981         of a block, and split such blocks after everything else is finished.
7983 2017-01-14  Alan Modra  <amodra@gmail.com>
7985         PR target/72749
7986         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
7987         target legitimate_combined_insn.
7988         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
7989         (rs6000_legitimate_combined_insn): New function.
7990         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
7991         all uses.
7992         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
7993         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
7994         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
7996 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
7998         * doc/frontends.texi (G++ and GCC): Remove references to Java.
8000 2017-01-13  Jeff Law  <law@redhat.com>
8002         PR tree-optimization/33562
8003         PR tree-optimization/61912
8004         PR tree-optimization/77485
8005         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
8006         a statement.
8007         (delete_dead_assignment): Likewise.
8008         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
8009         statement to delete_dead_call and delete_dead_assignment.
8011 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
8013         PR c/78304
8014         * substring-locations.c (format_warning_va): Strengthen case 1 so
8015         that both endpoints of the substring must be within the format
8016         range for just the substring to be printed.
8018 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
8020         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
8021         * config/i386/i386.c (ix86_target_string): Add missing options
8022         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
8023         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
8024         flags_other and ix86_target_other to flags2_other.  Display unknown
8025         isa2 options.
8026         (ix86_valid_target_attribute_inner_p): Add missing options and
8027         reorder options by implied ISAs, as in ix86_target_string.
8029 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
8031         * hash-table.h (hash_table::too_empty_p): New function.
8032         (hash_table::expand): Use it.
8033         (hash_table::traverse): Likewise.
8034         (hash_table::empty_slot): Use sizeof (value_type) instead of
8035         sizeof (PTR) to convert bytes to elements.  Shrink the table
8036         if the current size is excessive for the current number of
8037         elements.
8039 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
8041         * ira-costs.c (record_reg_classes): Break from the inner loop
8042         early once alt_fail is known to be true.  Update outer loop
8043         handling accordingly.
8045 2017-01-13  Jeff Law  <law@redhat.com>
8047         * tree-ssa-dse.c (decrement_count): New function.
8048         (increment_start_addr, maybe_trim_memstar_call): Likewise.
8049         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
8050         when we know the partially dead statement is a mem* function.
8052         PR tree-optimization/61912
8053         PR tree-optimization/77485
8054         * tree-ssa-dse.c: Include expr.h.
8055         (maybe_trim_constructor_store): New function.
8056         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
8058         PR tree-optimization/33562
8059         PR tree-optimization/61912
8060         PR tree-optimization/77485
8061         * doc/invoke.texi: Document new dse-max-object-size param.
8062         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
8063         * tree-ssa-dse.c: Include params.h.
8064         (dse_store_status): New enum.
8065         (initialize_ao_ref_for_dse): New, partially extracted from
8066         dse_optimize_stmt.
8067         (valid_ao_ref_for_dse, normalize_ref): New.
8068         (setup_live_bytes_from_ref, compute_trims): Likewise.
8069         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
8070         (maybe_trim_partially_dead_store): Likewise.
8071         (maybe_trim_complex_store): Likewise.
8072         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
8073         Track what bytes live from the original store.  Return tri-state
8074         for dead, partially dead or live.
8075         (dse_dom_walker): Add constructor, destructor and new private members.
8076         (delete_dead_call, delete_dead_assignment): New extracted from
8077         dse_optimize_stmt.
8078         (dse_optimize_stmt): Make a member of dse_dom_walker.
8079         Use initialize_ao_ref_for_dse.
8081         PR tree-optimization/33562
8082         PR tree-optimization/61912
8083         PR tree-optimization/77485
8084         * sbitmap.h (bitmap_count_bits): Prototype.
8085         (bitmap_clear_range, bitmap_set_range): Likewise.
8086         * sbitmap.c (bitmap_clear_range): New function.
8087         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
8089 2017-01-13  Martin Liska  <mliska@suse.cz>
8091         PR ipa/79043
8092         * function.c (set_cfun): Add new argument force.
8093         * function.h (set_cfun): Likewise.
8094         * ipa-inline-transform.c (inline_call): Use the function when
8095         strict alising from is dropped for function we inline to.
8097 2017-01-13  Richard Biener  <rguenther@suse.de>
8099         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
8100         for dumping GIMPLE INTEGER_CSTs.
8102 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8104         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
8105         to 201112L since C++17.
8107 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8109         PR sanitizer/78887
8110         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
8111         if -fsanitize=kernel-address is present.
8113 2017-01-13  Richard Biener  <rguenther@suse.de>
8115         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
8116         as _Literal ( type ) number in case usual suffixes do not
8117         preserve all information.
8119 2017-01-13  Richard Biener  <rguenther@suse.de>
8121         PR tree-optimization/77283
8122         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
8123         and ssa-iterators.h.
8124         (is_feasible_trace): Implement a cost model based on joiner
8125         PHI node uses.
8127 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8129         PR target/79004
8130         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
8131         char or short to __float128/_Float128 directly.
8133 2017-01-12  Martin Sebor  <msebor@redhat.com>
8135         to -Wformat-overflow.
8136         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
8137         (min_bytes_remaining): Same.
8138         (get_string_length): Same.
8139         (format_string): Same.
8140         (format_directive): Same.
8141         (add_bytes): Same.
8142         (pass_sprintf_length::handle_gimple_call): Same.
8144 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
8146         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
8147         info.nowrite calls with no lhs that can't throw.  Return bool
8148         whether gsi_remove has been called or not.
8149         (pass_sprintf_length::handle_gimple_call): Return bool whether
8150         try_substitute_return_value called gsi_remove.  Formatting fix.
8151         (pass_sprintf_length::execute): Don't use gsi_remove if
8152         handle_gimple_call returned true.
8154         PR bootstrap/79069
8155         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
8156         be removed due to side-effects, don't remove following barrier nor
8157         turn the successor edge into fallthru edge.
8159 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8161         PR target/79044
8162         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
8163         element-reversing loads and stores as not swappable.
8165 2017-01-12  Nathan Sidwell  <nathan@acm.org>
8166             Nicolai Stange  <nicstange@gmail.com>
8168         * combine.c (try_combine): Don't ignore result of overlap checking
8169         loop.  Combine overlap & asm check into single loop.
8171 2017-01-12  Richard Biener  <rguenther@suse.de>
8173         * tree-pretty-print.c (dump_generic_node): Provide -gimple
8174         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
8176 2017-01-12  Richard Biener  <rguenther@suse.de>
8178         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
8179         and TS_TARGET_OPTION directly derive from TS_BASE.
8180         * tree-core.h (tree_optimization_option): Derive from tree_base.
8181         (tree_target_option): Likewise.
8183 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
8185         * config/i386/i386.c (memory_address_length): Increase len
8186         only when rip_relative_addr_p returns false.
8188 2017-01-11  Julia Koval  <julia.koval@intel.com>
8190         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
8191         (OPTION_MASK_ISA_SGX_SET): New.
8192         (ix86_handle_option): Handle OPT_msgx.
8193         * config.gcc: Added sgxintrin.h.
8194         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
8195         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
8196         * config/i386/i386.c (ix86_target_string): Add -msgx.
8197         (PTA_SGX): New.
8198         (ix86_option_override_internal): Handle new options.
8199         (ix86_valid_target_attribute_inner_p): Add sgx.
8200         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
8201         * config/i386/i386.opt: Add msgx.
8202         * config/i386/sgxintrin.h: New file.
8203         * config/i386/x86intrin.h: Add sgxintrin.h.
8205 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
8207         PR c++/71537
8208         * fold-const.c (maybe_nonzero_address): Return 1 for function
8209         local objects.
8210         (tree_single_nonzero_warnv_p): Don't handle function local objects
8211         here.
8213         PR c++/72813
8214         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
8215         of c-header.
8217 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
8219         PR driver/78877
8220         * opts.c: Include "spellcheck.h"
8221         (struct string_fragment): New struct.
8222         (struct edit_distance_traits<const string_fragment &>): New
8223         struct.
8224         (get_closest_sanitizer_option): New function.
8225         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
8227 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
8229         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
8230         by 12.
8231         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
8232         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
8233         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
8234         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
8235         for initial die_offset if dwarf_split_debug_info.
8236         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
8237         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
8238         fields.
8239         (output_skeleton_debug_sections): Formatting fix.  Use
8240         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
8241         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
8243 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
8245         * config/arm/cortex-a53.md: Add bypasses for
8246         cortex_a53_r2f_cvt.
8247         (cortex_a53_r2f): Only use for transfers.
8248         (cortex_a53_f2r): Likewise.
8249         (cortex_a53_r2f_cvt): Add reservation for conversions.
8250         (cortex_a53_f2r_cvt): Likewise.
8252 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
8254         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
8255         to all inlined functions, change static to extern.
8257 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
8259         PR target/78253
8260         * config/arm/arm.c (legitimize_pic_address): Handle reference to
8261         weak symbol.
8262         (arm_assemble_integer): Likewise.
8264 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
8266         * config.gcc: Use new awk script to check CPU, FPU and architecture
8267         parameters for --with-... options.
8268         * config/arm/parsecpu.awk: New file
8269         * config/arm/arm-cpus.in: New file.
8270         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
8271         files.
8272         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
8273         files.
8274         * config/arm/t-arm: Update dependency rules.
8275         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
8276         of processing .def files.
8277         * config/arm/genopt.sh: Deleted.
8278         * config/arm/gentune.sh: Deleted.
8279         * config/arm/arm-cores.def: Deleted.
8280         * config/arm/arm-arches.def: Deleted.
8281         * config/arm/arm-fpus.def: Deleted.
8282         * config/arm/arm-tune.md: Regenerated.
8283         * config/arm/arm-tables.opt: Regenerated.
8284         * config/arm/arm-cpu.h: New generated file.
8285         * config/arm/arm-cpu-data.h: New generated file.
8286         * config/arm/arm-cpu-cdata.h: New generated file.
8288 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
8290         PR lto/79042
8291         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
8292         bit.
8293         (input_varpool_node): Unpack dynamically_initialized bit.
8295 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
8297         PR rtl-optimization/79032
8298         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
8299         the alignment of the adjusted memory reference against that of MODE,
8300         instead of the alignment of the original memory reference.
8302 2017-01-11  Martin Jambor  <mjambor@suse.cz>
8304         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
8305         test.
8306         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
8307         decorated functions.
8309 2017-01-11  Richard Biener  <rguenther@suse.de>
8311         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
8312         set range/nonnull info for PHI results.  Do not set it on
8313         stmts marked for removal.
8315 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
8317         * expr.c (store_field): In the bitfield case, fetch the return value
8318         from the registers before applying a single big-endian adjustment.
8319         Always do a final load for a BLKmode value not larger than a word.
8321 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
8323         PR c++/77949
8324         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
8325         that we correctly handle column numbers greater than
8326         LINE_MAP_MAX_COLUMN_NUMBER.
8328 2017-01-10  Martin Sebor  <msebor@redhat.com>
8330         PR middle-end/78245
8331         * gimple-ssa-sprintf.c (get_destination_size): Call
8332         {init,fini}object_sizes.
8333         * tree-object-size.c (addr_object_size): Adjust.
8334         (pass_through_call): Adjust.
8335         (pass_object_sizes::execute): Adjust.
8336         * tree-object-size.h (fini_object_sizes): Declare.
8338 2017-01-10  Martin Sebor  <msebor@redhat.com>
8340         PR tree-optimization/78775
8341         * builtins.c (get_size_range): Move...
8342         * calls.c: ...to here.
8343         (alloc_max_size): Accept zero argument.
8344         (operand_signed_p): Remove.
8345         (maybe_warn_alloc_args_overflow): Call get_size_range.
8346         * calls.h (get_size_range): Declare.
8348 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
8350         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
8351         from TI's devices.csv file as of September 2016.
8352         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
8354 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
8356         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
8357         * doc/invoke.texi: Likewise.
8358         * doc/md.texi: Likewise.
8359         * doc/objc.texi: Likewise.
8361 2017-01-10  Joshua Conner  <joshconner@google.com>
8363         * config/arm/fuchsia-elf.h: New file.
8364         * config/fuchsia.h: New file.
8365         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
8366         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
8367         targets.
8368         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
8370 2016-01-10  Richard Biener  <rguenther@suse.de>
8372         PR tree-optimization/79034
8373         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
8374         Propagate out degenerate PHIs in the joiner.
8376 2017-01-10  Martin Liska  <mliska@suse.cz>
8378         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
8379         (sort_congruence_classes_by_decl_uid): Likewise.
8380         (sort_congruence_class_groups_by_decl_uid): Likewise.
8381         (sem_item_optimizer::merge_classes): Sort class, groups in these
8382         classes and members in the groups by DECL_UID of declarations.
8383         This would make merge operations stable.
8385 2017-01-10  Martin Liska  <mliska@suse.cz>
8387         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
8388         usage of m_classes_vec.
8389         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
8390         (sem_item_optimizer::get_group_by_hash): Likewise.
8391         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
8392         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
8393         (sem_item_optimizer::verify_classes): Likewise.
8394         (sem_item_optimizer::process_cong_reduction): Likewise.
8395         (sem_item_optimizer::dump_cong_classes): Likewise.
8396         (sem_item_optimizer::merge_classes): Likewise.
8397         * ipa-icf.h (congruence_class_hash): Rename from
8398         congruence_class_group_hash.  Remove declaration of m_classes_vec.
8400 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
8402         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
8403         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
8404         * config.gcc: Add avx512vpopcntdqintrin.h.
8405         * config/i386/avx512vpopcntdqintrin.h: New.
8406         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
8407         * config/i386/i386-builtin-types.def: Add new types.
8408         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
8409         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
8410         __builtin_ia32_vpopcountq_v8di_mask): New.
8411         * config/i386/i386-c.c (ix86_target_macros_internal): Define
8412         __AVX512VPOPCNTDQ__.
8413         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
8414         (PTA_AVX512VPOPCNTDQ): Define.
8415         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
8416         TARGET_AVX512VPOPCNTDQ_P): Define.
8417         * config/i386/i386.opt: Add mavx512vpopcntdq.
8418         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
8419         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
8421 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8423         PR middle-end/77484
8424         * predict.def (PRED_CALL): Set to 67.
8426 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8428         * expr.c (store_field): In the bitfield case, if the value comes from
8429         a function call and is of an aggregate type returned in registers, do
8430         not modify the field mode; extract the value in all cases if the mode
8431         is BLKmode and the size is not larger than a word.
8433 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
8435         PR target/71017
8436         * config/i386/cpuid.h: Fix undefined behavior.
8438 2017-01-04  Jeff Law  <law@redhat.com>
8440         PR tree-optimization/79007
8441         PR tree-optimization/67955
8442         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
8443         conservative for pt.null when flag_non_call_exceptions is on.
8445 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
8447         PR translation/79019
8448         PR translation/79020
8449         * params.def (PARAM_INLINE_MIN_SPEEDUP,
8450         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
8451         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
8452         in descriptions.
8453         * config/avr/avr.opt (maccumulate-args): Likewise.
8454         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
8455         * common.opt (freport-bug): Likewise.
8456         * cif-code.def (CIF_FINAL_ERROR): Likewise.
8457         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
8458         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
8459         translatable string.
8460         * config/i386/i386.c (function_value_32): Likewise.
8461         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
8462         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
8463         Likewise.
8464         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
8465         * common/config/msp430/msp430-common.c (msp430_handle_option):
8466         Likewise.
8467         * symtab.c (symtab_node::verify_base): Likewise.
8468         * opts.c (set_debug_level): Likewise.
8469         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
8470         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
8471         missing whitespace to translatable strings.
8472         * config/avr/avr.md (bswapsi2): Fix typo in comment.
8473         * config/sh/superh.h: Likewise.
8474         * config/i386/xopintrin.h: Likewise.
8475         * config/i386/znver1.md: Likewise.
8476         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
8477         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
8478         * double-int.h (struct double_int): Likewise.
8479         * double-int.c (div_and_round_double): Likewise.
8480         * wide-int.cc: Likewise.
8481         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
8482         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
8483         * cfgcleanup.c (crossjumps_occured): Renamed to ...
8484         (crossjumps_occurred): ... this.
8485         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
8486         Adjust all uses.
8488         PR tree-optimization/78899
8489         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
8490         returning bool return struct loop *, NULL for failure and the new
8491         loop on success.
8492         (versionable_outer_loop_p): Don't version outer loop if it has
8493         dont_vectorized bit set.
8494         (tree_if_conversion): When versioning outer loop, ensure
8495         tree_if_conversion is performed also on the inner loop of the
8496         non-vectorizable outer loop copy.
8497         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
8498         LOOP_VECTORIZED in inner loop of the scalar outer loop and
8499         prevent vectorization of it.
8500         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
8501         the outer loop vectorization of the non-scalar version is attempted
8502         before vectorization of the inner loop in scalar version.  If
8503         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
8504         vectorization of its inner loop.
8505         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
8506         has 2 inner loops, rename also on edges from bb whose single pred
8507         is outer_loop->header.  Fix typo in function comment.
8509 2017-01-09  Martin Sebor  <msebor@redhat.com>
8511         PR bootstrap/79033
8512         * asan.c (asan_emit_stack_protection): Increase local buffer size
8513         to avoid snprintf truncation warning.
8515 2017-01-09  Andrew Pinski  <apinski@cavium.com>
8517         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
8518         to reference thunderx2t99 for the tuning structure
8519         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
8520         Rename to ...
8521         (thunderx2t99_extra_costs): This.
8522         * config/aarch64/aarch64-tune.md: Regenerate.
8523         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
8524         (vulcan_addrcost_table): This.
8525         (vulcan_regmove_cost): Rename to ...
8526         (thunderx2t99_regmove_cost): This.
8527         (vulcan_vector_cost): Rename to ...
8528         (thunderx2t99_vector_cost): this.
8529         (vulcan_branch_cost): Rename to ...
8530         (thunderx2t99_branch_cost): This.
8531         (vulcan_tunings): Rename to ...
8532         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
8533         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
8535 2017-01-09  Martin Jambor  <mjambor@suse.cz>
8537         PR ipa/78365
8538         PR ipa/78599
8539         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
8540         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
8541         (propagate_vr_accross_jump_function): Use the above function for all
8542         value range computations for pass-through jump functions and type
8543         converasion from explicit value range values.
8544         (ipcp_propagate_stage): Do not attempt to deduce types of formal
8545         parameters from TYPE_ARG_TYPES.
8546         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
8547         (ipa_write_node_info): Stream type of the actual argument.
8548         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
8550 2017-01-09  Martin Liska  <mliska@suse.cz>
8552         PR pch/78970
8553         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
8554         (lookup_compiler): Do not show error message with have_E.
8556 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
8558         PR tree-optimization/78938
8559         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
8560         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
8561         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
8562         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
8563         fixes.
8565 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8567         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
8568         is const0_rtx.
8570 2017-01-09  Richard Biener  <rguenther@suse.de>
8572         PR tree-optimization/78997
8573         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
8574         name condition properly.
8576 2017-01-09  Richard Biener  <rguenther@suse.de>
8578         PR debug/79000
8579         * dwarf2out.c (is_cxx): New overload with context.
8580         (is_naming_typedef_decl): Use it.
8582 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8584         * invoke.texi (Option Summary): Correct spacing in option lists
8585         and add line breaks to fix over-long lines.
8587 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8589         PR middle-end/17660
8591         * extend.texi (Common Variable Attributes): Add xref to GCC
8592         Internals manual to explain mode attribute keywords.
8594 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8596         PR other/16519
8597         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
8598         and Preprocessor Options.
8599         (Options for Linking): Document -pthread here....
8600         (RS/6000 and PowerPC Options): ...not here.
8601         (Solaris 2 Options): ...or here.
8602         * doc/cppopts.texi: Document -pthread.
8604 2017-01-08  Martin Sebor  <msebor@redhat.com>
8606         PR middle-end/77708
8607         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
8608         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
8609         New member functions.
8610         (format_directive): Used them.
8611         (add_bytes): Same.
8612         (pass_sprintf_length::handle_gimple_call): Same.
8613         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
8614         to avoid truncation for any argument.
8615         (extract_affine_mul): Same.
8616         * tree.c (get_file_function_name): Same.
8618 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8620         PR middle-end/77484
8621         * predict.def (PRED_INDIR_CALL): Set to 86.
8623 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8625         PR preprocessor/54124
8626         * doc/cppopts.texi: Reformat -d subtable to list the full name
8627         of the options.  Add cross-reference to the docs for the general
8628         compiler -d options.
8629         * doc/invoke.texi (Developer Options): Add cross-reference to the
8630         preprocessor-specific -d option documentation.
8632 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8634         PR preprocessor/13498
8635         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
8636         redudant material, and reflect new command-line options.
8637         (System Headers): Likewise.
8639 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8641         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
8642         -isystem, and -idirafter.  Copy-edit.
8643         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
8644         default for -ftrack-macro-expansion.  Delete obsolete and
8645         badly-formatted implementation details about -fdebug-cpp output.
8646         * doc/cppwarnopts.texi: Copy-edit.
8648 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
8650         PR c++/72803
8651         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
8652         that the transition from a max line width >= 1<<10 to narrower
8653         lines works correctly.
8655 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
8657         * doc/options.texi (PerFunction): New.
8658         * opt-functions.awk (switch_flags): Map both Optimization and
8659         PerFunction to CL_OPTIMIZATION.
8660         * opth-gen.awk: Test for PerFunction flag along with
8661         Optimization.
8662         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
8663         it only when the latter is present.  Skip those that don't in
8664         the hash function generator.
8665         * common.opt (fvar-tracking): Mark as PerFunction instead of
8666         Optimization.
8667         (fvar-tracking-assignments): Likewise.
8668         (fvar-tracking-assignments-toggle): Likewise.
8669         (fvar-tracking-uninit): Likewise.
8671 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
8673         PR translation/79018
8674         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
8675         the and store.
8677 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
8679         PR target/57583
8680         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
8681         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
8682         TARGET_LONG_JUMP_TABLE_OFFSETS.
8683         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
8684         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
8685         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
8686         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
8687         * config/m68k/m68k.md (tablejump expander): Likewise.
8688         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
8689         TARGET_LONG_JUMP_TABLE_OFFSETS.
8690         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
8691         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
8693 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
8694             David Holsgrove <david.holsgrove@xilinx.com>
8696         * common/config/microblaze/microblaze-common.c
8697         (TARGET_EXCEPT_UNWIND_INFO): Remove.
8698         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
8699         New prototype.
8700         * config/microblaze/microblaze.c (microblaze_must_save_register)
8701         (microblaze_expand_epilogue, microblaze_return_addr): Handle
8702         calls_eh_return.
8703         (microblaze_eh_return): New function.
8704         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
8705         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
8706         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
8707         * config/microblaze/microblaze.md (eh_return): New pattern.
8709 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
8711         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
8712         GCC_DIAGNOSTIC_STRINGIFY): Define.
8714         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
8716 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8718         * config/arm/arm.md (<mcrr>): New.
8719         (<mrrc>): New.
8720         * config/arm/arm.c (arm_arch5te): New.
8721         (arm_option_override): Set arm_arch5te.
8722         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
8723         and mrrc2.
8724         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
8725         (arm_mcrr_qualifiers): ... this. New.
8726         (MRRC_QUALIFIERS): Define to...
8727         (arm_mrrc_qualifiers): ... this. New.
8728         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
8729         __arm_mrrc2): New.
8730         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
8731         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
8732         (MRRCI, mrrc, MRRC): New.
8733         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
8734         VUNSPEC_MRRC2): New.
8736 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8738         * config/arm/arm.md (<mcr>): New.
8739         (<mrc>): New.
8740         * config/arm/arm.c (arm_coproc_builtin_available): Add
8741         support for mcr, mrc, mcr2 and mrc2.
8742         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
8743         (arm_mcr_qualifiers): ... this. New.
8744         (MRC_QUALIFIERS): Define to ...
8745         (arm_mrc_qualifiers): ... this. New.
8746         (MCR_QUALIFIERS): Define to ...
8747         (arm_mcr_qualifiers): ... this. New.
8748         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
8749         __arm_mrc2): New.
8750         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
8751         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
8752         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
8753         VUNSPEC_MRC2): New.
8755 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8757         * config/arm/arm.md (*ldc): New.
8758         (*stc): New.
8759         (<ldc>): New.
8760         (<stc>): New.
8761         * config/arm/arm.c (arm_coproc_builtin_available): Add
8762         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
8763         (arm_coproc_ldc_stc_legitimate_address): New.
8764         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
8765         'qualifier_const_pointer'.
8766         (LDC_QUALIFIERS): Define to...
8767         (arm_ldc_qualifiers): ... this. New.
8768         (STC_QUALIFIERS): Define to...
8769         (arm_stc_qualifiers): ... this. New.
8770         * config/arm/arm-protos.h
8771         (arm_coproc_ldc_stc_legitimate_address): New.
8772         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
8773         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
8774         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
8775         stc2, stcl, stc2l): New.
8776         * config/arm/constraints.md (Uz): New.
8777         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
8778         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
8779         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
8780         VUNSPEC_STC2L): New.
8782 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8784         * config/arm/arm.md (<cdp>): New.
8785         * config/arm/arm.c (neon_const_bounds): Rename this ...
8786         (arm_const_bounds): ... this.
8787         (arm_coproc_builtin_available): New.
8788         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
8789         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
8790         (CDP_QUALIFIERS): Define to...
8791         (arm_cdp_qualifiers): ... this. New.
8792         (void_UP): Define.
8793         (arm_expand_builtin_args): Add case for 6 arguments.
8794         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
8795         (arm_const_bounds): ... this.
8796         (arm_coproc_builtin_available): New.
8797         * config/arm/arm_acle.h (__arm_cdp): New.
8798         (__arm_cdp2): New.
8799         * config/arm/arm_acle_builtins.def (cdp): New.
8800         (cdp2): New.
8801         * config/arm/iterators.md (CDPI,CDP,cdp): New.
8802         * config/arm/neon.md: Rename all 'neon_const_bounds' to
8803         'arm_const_bounds'.
8804         * config/arm/types.md (coproc): New.
8805         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
8806         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
8807         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
8808         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
8810 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8812         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
8813         (UBINOP_QUALIFIERS): New.
8814         (si_UP): Define.
8815         (acle_builtin_data): New. Change comment.
8816         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
8817         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
8818         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
8819         arm_acle_builtins.def.
8820         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
8821         (arm_init_acle_builtins): New.
8822         (CRC32_BUILTIN): Remove.
8823         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
8824         crc32cb, crc32ch and crc32cw.
8825         (arm_init_crc32_builtins): Remove.
8826         (arm_init_builtins): Use arm_init_acle_builtins rather
8827         than arm_init_crc32_builtins.
8828         (arm_expand_acle_builtin): New.
8829         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
8830         * config/arm/arm_acle_builtins.def: New.
8832 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8834         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
8835         (arm_builtin_datum): ... this.
8836         (arm_init_neon_builtin): Rename to ...
8837         (arm_init_builtin): ... this. Add a new parameters PREFIX
8838         and USE_SIG_IN_NAME.
8839         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
8840         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
8841         'arm_builtin_datum'.
8842         (arm_init_vfp_builtins): Likewise.
8843         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
8844         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
8845         (arm_expand_neon_args): Rename to ...
8846         (arm_expand_builtin_args): ... this. Rename builtin_arg
8847         enum values and differentiate between ARG_BUILTIN_MEMORY
8848         and ARG_BUILTIN_NEON_MEMORY.
8849         (arm_expand_neon_builtin_1): Rename to ...
8850         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
8851         values, arm_expand_builtin_args and add bool parameter NEON.
8852         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
8853         (arm_expand_vfp_builtin): Likewise.
8854         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
8856 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8858         PR middle-end/77484
8859         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
8860         * predict.c (tree_estimate_probability_bb): Reverse direction of
8861         polymorphic call predictor.
8863 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
8865         * passes.c (execute_one_pass): Split out pass-skipping logic into...
8866         (determine_pass_name_match): ...this new function and...
8867         (should_skip_pass_p): ...this new function.
8869 2017-01-06  Nathan Sidwell  <nathan@acm.org>
8871         * ipa-visibility.c (function_and_variable_visibility): Reformat
8872         comments and long lines.  Remove extrneous if.
8873         * symtab.c (symtab_node::make_decl_local): Fix code format.
8874         (symtab_node::set_section_for_node): Fix comment typo.
8876 2017-01-06  Martin Liska  <mliska@suse.cz>
8878         PR bootstrap/79003
8879         * lra-constraints.c: Rename invariant to lra_invariant.
8880         * predict.c (set_even_probabilities): Initialize e to NULL.
8882 2017-01-05  Martin Sebor  <msebor@redhat.com>
8884         PR tree-optimization/78910
8885         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
8886         (format_integer): Correct off-by-one error in the handling
8887         of precision with negative numbers in signed conversions..
8889 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
8891         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
8893 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
8895         PR tree-optimization/71016
8896         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
8897         factor_out_conditional_conversion.  Formatting fix.
8898         (factor_out_conditional_conversion): Add cond_stmt argument.
8899         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
8900         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
8901         Formatting fix.
8903 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
8905         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
8906         read-rtl-function.o, and selftest-rtl.o.
8907         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
8908         (selftest::aarch64_test_loading_full_dump): New function.
8909         (selftest::aarch64_run_selftests): New function.
8910         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
8911         selftest::aarch64_run_selftests.
8912         * config/i386/i386.c
8913         (selftest::ix86_test_loading_dump_fragment_1): New function.
8914         (selftest::ix86_test_loading_call_insn): New function.
8915         (selftest::ix86_test_loading_full_dump): New function.
8916         (selftest::ix86_test_loading_unspec): New function.
8917         (selftest::ix86_run_selftests): Call the new functions.
8918         * emit-rtl.c (maybe_set_max_label_num): New function.
8919         * emit-rtl.h (maybe_set_max_label_num): New decl.
8920         * function.c (instantiate_decls): Guard call to
8921         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
8922         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
8923         "static".
8924         * gensupport.c (gen_reader::gen_reader): Pass "false"
8925         for new "compact" param of rtx_reader.
8926         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
8927         rather than an empty string for NULL strings.
8928         * read-md.c: Potentially include config.h rather than bconfig.h.
8929         Wrap include of errors.h with #ifdef GENERATOR_FILE.
8930         (have_error): New global, copied from errors.c.
8931         (md_reader::read_name): Rename to...
8932         (md_reader::read_name_1): ...this, adding "out_loc" param,
8933         and converting "missing name or number" to returning false, rather
8934         than failing.
8935         (md_reader::read_name): Reimplement in terms of read_name_1.
8936         (md_reader::read_name_or_nil): New function.
8937         (md_reader::read_string): Handle "(nil)" by returning NULL.
8938         (md_reader::md_reader): Add new param "compact".
8939         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
8940         (md_reader::read_file): New method.
8941         * read-md.h (md_reader::md_reader): Add new param "compact".
8942         (md_reader::read_file): New method.
8943         (md_reader::is_compact): New accessor.
8944         (md_reader::read_name): Convert return type from void to file_location.
8945         (md_reader::read_name_or_nil): New decl.
8946         (md_reader::read_name_1): New decl.
8947         (md_reader::m_compact): New field.
8948         (noop_reader::noop_reader): Pass "false" for new "compact" param
8949         of rtx_reader.
8950         (rtx_reader::rtx_reader): Add new "compact" param.
8951         (rtx_reader::read_rtx_operand): Make virtual and convert return
8952         type from void to rtx.
8953         (rtx_reader::read_until): New decl.
8954         (rtx_reader::handle_any_trailing_information): New virtual function.
8955         (rtx_reader::postprocess): New virtual function.
8956         (rtx_reader::finalize_string): New virtual function.
8957         (rtx_reader::m_in_call_function_usage): New field.
8958         (rtx_reader::m_reuse_rtx_by_id): New field.
8959         * read-rtl-function.c: New file.
8960         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
8961         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
8962         (selftest::verify_three_block_rtl_cfg): New decl.
8963         * read-rtl-function.h: New file.
8964         * read-rtl.c: Potentially include config.h rather than bconfig.h.
8965         For host, include function.h, memmodel.h, and emit-rtl.h.
8966         (one_time_initialization): New function.
8967         (struct compact_insn_name): New struct.
8968         (compact_insn_names): New array.
8969         (find_code): Handle insn codes in compact dumps.
8970         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
8971         (bind_subst_iter_and_attr): Likewise.
8972         (add_condition_to_string): Likewise.
8973         (add_condition_to_rtx): Likewise.
8974         (apply_attribute_uses): Likewise.
8975         (add_current_iterators): Likewise.
8976         (apply_iterators): Likewise.
8977         (initialize_iterators): Guard usage of apply_subst_iterator with
8978         #ifdef GENERATOR_FILE.
8979         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
8980         (md_reader::read_mapping): Likewise.
8981         (add_define_attr_for_define_subst): Likewise.
8982         (add_define_subst_attr): Likewise.
8983         (read_subst_mapping): Likewise.
8984         (check_code_iterator): Likewise.
8985         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
8986         logic to...
8987         (one_time_initialization): New function.
8988         (rtx_reader::read_until): New method.
8989         (read_flags): New function.
8990         (parse_reg_note_name): New function.
8991         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
8992         Handle reuse_rtx ids.
8993         Wrap iterator lookup within #ifdef GENERATOR_FILE.
8994         Add parsing support for RTL dumps, mirroring the special-cases in
8995         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
8996         values, and calling handle_any_trailing_information.
8997         (rtx_reader::read_rtx_operand): Convert return type from void
8998         to rtx, returning return_rtx.  Handle case 'e'.  Call
8999         finalize_string on XSTR and XTMPL fields.
9000         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
9001          "(nil)" values were omitted.  Call the postprocess vfunc on the
9002         return_rtx.
9003         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
9004         class ctor.  Initialize m_in_call_function_usage.  Call
9005         one_time_initialization.
9006         * rtl-tests.c (selftest::test_uncond_jump): Call
9007         set_new_first_and_last_insn.
9008         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
9009         * selftest-rtl.c: New file.
9010         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
9011         (selftest::get_insn_by_uid): New decl.
9012         * selftest-run-tests.c (selftest::run_tests): Call
9013         read_rtl_function_c_tests.
9014         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
9015         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
9016         dumps.
9018 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
9020         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
9021         operands in a special way.  Assert that pos+len <= mode precision.
9023 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
9025         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
9026         3 argument Alias with unlimited for the negative form.
9027         (fno-vect-cost-model): Removed.
9029 2017-01-05  Martin Liska  <mliska@suse.cz>
9031         * hsa-gen.c (gen_hsa_divmod): New function.
9032         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
9034 2017-01-05  Martin Liska  <mliska@suse.cz>
9036         PR pch/78970
9037         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
9038         header.
9040 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9042         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
9043         small constant length operands.
9045 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9047         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
9048         between loop iterations.
9050 2017-01-05  Martin Liska  <mliska@suse.cz>
9052         PR sanitizer/78815
9053         * gimplify.c (gimplify_decl_expr): Compare to
9054         asan_poisoned_variables instread of checking flags.
9055         (gimplify_target_expr): Likewise.
9056         (gimplify_expr): Likewise.
9057         (gimplify_function_tree): Conditionally initialize
9058         asan_poisoned_variables.
9060 2017-01-04  Jeff Law  <law@redhat.com>
9062         PR tree-optimizatin/78812
9063         * rtl.h (contains_mem_rtx_p): Prototype.
9064         * ifcvt.c (containts_mem_rtx_p): Move from here to...
9065         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
9066         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
9067         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
9068         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
9070 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9072         * input.c (assert_char_at_range): Default-initialize actual_range.
9074 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9076         * df-scan.c (df_ref_create_structure): Make regno unsigned,
9077         to match the caller.
9079 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9081         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
9082         insns after final jump in test to emit dummy move.
9084 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9086         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
9087         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
9089 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9091         * multiple_target.c (create_dispatcher_calls): Init e_next.
9092         * tree-ssa-loop-split.c (split_loop): Init border.
9093         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
9094         scalar_type.
9096 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9098         PR target/71977
9099         PR target/70568
9100         PR target/78823
9101         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
9102         (altivec_register_operand): Do not return true if the operand
9103         contains a SUBREG mixing SImode and SFmode.
9104         (vsx_register_operand): Likewise.
9105         (vsx_reg_sfsubreg_ok): New predicate.
9106         (vfloat_operand): Do not return true if the operand contains a
9107         SUBREG mixing SImode and SFmode.
9108         (vint_operand): Likewise.
9109         (vlogical_operand): Likewise.
9110         (gpc_reg_operand): Likewise.
9111         (int_reg_operand): Likewise.
9112         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
9113         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
9114         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
9115         SImode and SFmode.
9116         (rs6000_emit_move_si_sf_subreg): New helper function.
9117         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
9118         fixup SUBREGs involving SImode and SFmode.
9119         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
9120         numbers for the new peephole2 optimization.
9121         (peephole2 for SFmode unions): New peephole2 to optimize cases in
9122         the GLIBC math library that do AND/IOR/XOR operations on single
9123         precision floating point.
9124         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
9125         target macros to say whether we need to avoid SUBREGs mixing
9126         SImode and SFmode.
9127         (TARGET_ALLOW_SF_SUBREG): Likewise.
9128         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
9129         (UNSPEC_SI_FROM_SF): Likewise.
9130         (iorxor): Change spacing.
9131         (and_ior_xor): New iterator for AND, IOR, and XOR.
9132         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
9133         (movdi_from_sf_zero_ext): Likewise.
9134         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
9135         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
9136         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
9137         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
9138         (fms<mode>4): Likewise.
9139         (fnma<mode>4): Likewise.
9140         (fnms<mode>4): Likewise.
9141         (nfma<mode>4): Likewise.
9142         (nfms<mode>4): Likewise.
9144 2017-01-04  Marek Polacek  <polacek@redhat.com>
9146         PR c++/64767
9147         * doc/invoke.texi: Document -Wpointer-compare.
9149 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9151         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
9152         RejectNegative.
9154         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
9155         descriptions for -gdwarf-5 and emit them as uleb128 instead of
9156         2-byte data.
9158 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9160         PR target/78056
9161         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
9162         documentation of the powerpc_popcntb_ok attribute.
9163         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
9164         code to issue warning messages if a requested CPU configuration is
9165         not supported by the binary (assembler and loader) toolchain.
9166         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
9167         made to define a built-in function that has been disabled.
9168         (paired_init_builtins): Add assertion to prevent ICE if attempt is
9169         made to define a built-in function that has been disabled.
9170         (altivec_init_builtins): Add comment explaining why definition
9171         of the DST built-in functions is not preceded by an assertion
9172         check.  Add assertions to prevent ICE if attempts are made to
9173         define an altivec predicate or an abs* built-in function that has
9174         been disabled.
9175         (htm_init_builtins): Add comment explaining why definition of the
9176         htm built-in functions is not preceded by an assertion check.
9178 2017-01-04  Jeff Law  <law@redhat.com>
9180         PR tree-optimizatin/67955
9181         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
9182         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
9183         the points-to solution does not include pt_null.  Use DECL_PT_UID
9184         unconditionally.
9186 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
9188         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
9189         Use gen_int_mode instead of gen_lopwart for const_int operands.
9191 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9193         PR tree-optimization/71563
9194         * match.pd: Simplify X << Y into X if Y is known to be 0 or
9195         out of range value - has low bits known to be zero.
9197 2017-01-04  Alan Modra  <amodra@gmail.com>
9199         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
9200         * configure: Regenerate.
9201         * config.in: Regenerate.
9203 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9205         PR bootstrap/77569
9206         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
9207         a substring of the message, but strcmp with the whole message.  Ifdef
9208         ENABLE_NLS, translate the message first using dgettext.
9210 2017-01-03  Jeff Law  <law@redhat.com>
9212         PR tree-optimizatin/78856
9213         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
9214         (mark_threaded_blocks): Remove code to truncate thread paths that
9215         cross multiple loop headers.  Instead invalidate the cached loop
9216         iteration information and handle case of a thread path walking
9217         into an irreducible region.
9219 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
9221         PR target/78900
9222         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
9223         assertions.  Add support for doing the signbit if the IEEE 128-bit
9224         floating point value is in a GPR.
9225         * config/rs6000/rs6000.md (Fsignbit): Delete.
9226         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
9227         Update the length attribute if the value is in a GPR.
9228         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
9229         the sign or zero extension instruction, since the value is always 0/1.
9230         (signbit<mode>2_dm2): Delete using <Fsignbit>.
9232         PR target/78953
9233         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
9234         extracting SImode to a GPR register so that we can generate a
9235         store, limit the vector to be in a traditional Altivec register
9236         for the vextuwrx instruction.
9238 2017-01-03  Ian Lance Taylor  <iant@google.com>
9240         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
9242 2017-01-03  Martin Sebor  <msebor@redhat.com>
9244         PR tree-optimization/78696
9245         * gimple-ssa-sprintf.c (format_floating): Correct handling of
9246         precision.  Use MPFR for %f for greater fidelity.  Correct handling
9247         of %g.
9248         (pass_sprintf_length::compute_format_length): Set width and precision
9249         specified by asrerisk to void_node for vararg functions.
9250         (try_substitute_return_value): Adjust dump output.
9252 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
9254         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
9256 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
9258         * doc/invoke.texi (SPARC options): Document -mlra as the default.
9259         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
9260         -mlra/-mno-lra was passed to the compiler.
9262 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
9264         PR rtl-optimization/65618
9265         * emit-rtl.c (try_split): Move initialization of "before" and
9266         "after" to just before the call to emit_insn_after_setloc.
9268 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
9270         * doc/md.texi (Standard Names): Remove reference to Java frontend.
9272 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
9274         * dwarf2out.c (gen_enumeration_type_die): When
9275         -gno-strict-dwarf, add a DW_AT_encoding attribute.
9277 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
9279         PR tree-optimization/78965
9280         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
9281         Change first argument from const call_info & to call_info &.  For %n
9282         set info.nowrite to false.
9284         PR middle-end/78901
9285         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
9286         possibly throwing calls.
9288         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
9289         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
9290         and fns handling, rather than in a separate case SSA_NAME.
9292 2017-01-02  Jeff Law  <law@redhat.com>
9294         * config/darwin-driver.c (darwin_driver_init): Const-correctness
9295         fixes for first_period and second_period variables.
9297 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
9299         PR target/78967
9300         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
9301         (*insvqi_1): New insn pattern.
9302         (*insvqi_1_mem_rex64): Ditto.
9303         (*insvqi_2): Ditto.
9304         (*insvqi_3): Rename from *insvqi.
9306         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
9308 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
9310         * doc/cfg.texi (Edges): Remove reference to Java.
9311         (Maintaining the CFG): Ditto.
9313 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9315         PR middle-end/77674
9316         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
9317         transparent aliases.
9319 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9321         PR middle-end/77484
9322         * predict.def (PRED_CALL): Update hitrate.
9323         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
9324         * predict.c (tree_estimate_probability_bb): Split CALL predictor
9325         into direct/indirect/polymorphic variants.
9327 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
9329         Update copyright years.
9331         * gcc.c (process_command): Update copyright notice dates.
9332         * gcov-dump.c (print_version): Ditto.
9333         * gcov.c (print_version): Ditto.
9334         * gcov-tool.c (print_version): Ditto.
9335         * gengtype.c (create_file): Ditto.
9336         * doc/cpp.texi: Bump @copying's copyright year.
9337         * doc/cppinternals.texi: Ditto.
9338         * doc/gcc.texi: Ditto.
9339         * doc/gccint.texi: Ditto.
9340         * doc/gcov.texi: Ditto.
9341         * doc/install.texi: Ditto.
9342         * doc/invoke.texi: Ditto.
9344 Copyright (C) 2017 Free Software Foundation, Inc.
9346 Copying and distribution of this file, with or without modification,
9347 are permitted in any medium without royalty provided the copyright
9348 notice and this notice are preserved.