Introduce class rtx_reader
[official-gcc.git] / gcc / ChangeLog
blobcd4052595ae9bf17550dd42c5dd7c1b9bb221a17
1 2016-09-21  David Malcolm  <dmalcolm@redhat.com>
3         * genconstants.c (main): Introduce noop_reader and convert call
4         to read_md_files to a method call.
5         * genenums.c (main): Likewise.
6         * genmddeps.c (main): Likewise.
7         * genpreds.c (write_tm_constrs_h): Replace use of "in_fname" with
8         rtx_reader_ptr->get_top_level_filename ().
9         (write_tm_preds_h): Likewise.
10         (write_insn_preds_c): Likewise.
11         * gensupport.c (class gen_reader): New subclass of rtx_reader.
12         (rtx_handle_directive): Convert to...
13         (gen_reader::handle_unknown_directive): ...this.
14         (init_rtx_reader_args_cb): Convert return type from bool to
15         rtx_reader *.  Create a gen_reader instance, using it for the
16         call to read_md_files.  Return it if no errors occur.
17         (init_rtx_reader_args): Convert return type from bool to
18         rtx_reader *.
19         * gensupport.h (init_rtx_reader_args_cb): Likewise.
20         (init_rtx_reader_args_cb): Likewise.
21         * read-md.c (struct file_name_list): Move to class rtx_reader.
22         (read_md_file): Delete in favor of rtx_reader::m_read_md_file.
23         (read_md_filename): Delete in favor of
24         rtx_reader::m_read_md_filename.
25         (read_md_lineno): Delete in favor of rtx_reader::m_read_md_lineno.
26         (in_fname): Delete in favor of rtx_reader::m_toplevel_fname.
27         (base_dir): Delete in favor of rtx_reader::m_base_dir.
28         (first_dir_md_include): Delete in favor of
29         rtx_reader::m_first_dir_md_include.
30         (last_dir_md_include_ptr): Delete in favor of
31         rtx_reader::m_last_dir_md_include_ptr.
32         (max_include_len): Delete.
33         (rtx_reader_ptr): New.
34         (fatal_with_file_and_line): Use get_filename and get_lineno
35         accessors of rtx_reader_ptr.
36         (require_char_ws): Likewise.
37         (rtx_reader::read_char): New method, based on ::read_char.
38         (rtx_reader::unread_char): New method, based on ::unread_char.
39         (read_escape): Use get_filename and get_lineno accessors of
40         rtx_reader_ptr.
41         (read_braced_string): Use get_lineno accessor of rtx_reader_ptr.
42         (read_string): Use get_filename and get_lineno accessors of
43         rtx_reader_ptr.
44         (rtx_reader::rtx_reader): New ctor.
45         (rtx_reader::~rtx_reader): New dtor.
46         (handle_include): Convert from a function to...
47         (rtx_reader::handle_include): ...this method, converting
48         handle_directive from a callback to a virtual function.
49         (handle_file): Likewise, converting to...
50         (rtx_reader::handle_file): ...this method.
51         (handle_toplevel_file): Likewise, converting to...
52         (rtx_reader::handle_toplevel_file): ...this method.
53         (rtx_reader::get_current_location): New method.
54         (parse_include): Convert from a function to...
55         (rtx_reader::add_include_path): ...this method, dropping redundant
56         update to unused max_include_len.
57         (read_md_files): Convert from a function to...
58         (rtx_reader::read_md_files): ...this method, converting
59         handle_directive from a callback to a virtual function.
60         (noop_reader::handle_unknown_directive): New method.
61         * read-md.h (directive_handler_t): Delete this typedef.
62         (in_fname): Delete.
63         (read_md_file): Delete.
64         (read_md_lineno): Delete.
65         (read_md_filename): Delete.
66         (class rtx_reader): New class.
67         (rtx_reader_ptr): New decl.
68         (class noop_reader): New subclass of rtx_reader.
69         (read_char): Reimplement in terms of rtx_reader::read_char.
70         (unread_char): Reimplement in terms of rtx_reader::unread_char.
71         (read_md_files): Delete.
72         * read-rtl.c (read_rtx_code): Update for deletion of globals
73         read_md_filename and read_md_lineno.
75 2016-09-21  Jason Merrill  <jason@redhat.com>
77         * input.h (from_macro_definition_at): New.
79 2016-09-21  Segher Boessenkool  <segher@kernel.crashing.org>
81         * doc/rtl.texi (JUMP_LABEL): Document RETURN and SIMPLE_RETURN values.
83 2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
85         PR tree-optimization/77550
86         * tree-vect-stmts.c (create_array_ref): Change parameters.
87         (get_group_alias_ptr_type): New function.
88         (vectorizable_store, vectorizable_load): Use get_group_alias_ptr_type.
90 2016-09-21  Marek Polacek  <polacek@redhat.com>
92         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
93         Add falls through comment.
95 2016-09-21  Richard Biener  <rguenther@suse.de>
97         * dwarf2out.c (remove_child_with_prev): Clear child->die_sib.
98         (replace_child): Likewise.
99         (remove_child_TAG): Adjust.
100         (move_marked_base_types): Likewise.
101         (prune_unused_types_prune): Clear die_sib of removed children.
103 2016-09-21  Georg-Johann Lay  <avr@gjlay.de>
105         PR target/77326
106         * config/avr/avr.c (avr_notice_update_cc) [CC_NONE]: If insn
107         touches some regs mentioned in cc_status, do CC_STATUS_INIT.
109 2016-09-21  Richard Biener  <rguenther@suse.de>
111         PR tree-optimization/77648
112         * tree-ssa-structalias.c (process_constraint): Handle all DEREF
113         with complex RHS.
114         (make_transitive_closure_constraints): Adjust comment.
115         (make_any_offset_constraints): New function.
116         (handle_rhs_call): Make sure to first expand a pointer to all
117         subfields before transitively closing it.
118         (handle_const_call): Likewise.  Properly expand returned
119         pointers as well.
120         (handle_pure_call): Likewise.
122 2016-09-21  Richard Biener  <rguenther@suse.de>
123         Jakub Jelinek  <jakub@redhat.com>
125         PR tree-optimization/77621
126         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
127         group at non-vectorizable stmts.
129 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
131         PR tree-optimization/72835
132         * tree-ssa-reassoc.c (make_new_ssa_for_def): New.
133         (make_new_ssa_for_all_defs): Likewise.
134         (zero_one_operation): Replace all SSA_NAMEs defined in the chain.
136 2016-09-20  Martin Sebor  <msebor@redhat.com>
138         PR middle-end/49905
139         * Makefile.in (OBJS): Add gimple-ssa-sprintf.o.
140         * config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Redefine.
141         * config/linux.c (gnu_libc_printf_pointer_format): New function.
142         * config/sol2.h (TARGET_PRINTF_POINTER_FORMAT): Same.
143         * config/sol2.c (solaris_printf_pointer_format): New function.
144         * doc/invoke.texi (-Wformat-length, -fprintf-return-value): New
145         options.
146         * doc/tm.texi.in (TARGET_PRINTF_POINTER_FORMAT): Document.
147         * doc/tm.texi: Regenerate.
148         * gimple-fold.h (get_range_strlen): New function.
149         (get_maxval_strlen): Declare existing function.
150         * gimple-fold.c (get_range_strlen): Add arguments and compute both
151         maximum and minimum.
152          (get_range_strlen): Define overload.
153         (get_maxval_strlen): Adjust.
154         * gimple-ssa-sprintf.c: New file and pass.
155         * passes.def (pass_sprintf_length): Add new pass.
156         * targhooks.h (default_printf_pointer_format): Declare new function.
157         (gnu_libc_printf_pointer_format): Same.
158         (solaris_libc_printf_pointer_format): Same.
159         * targhooks.c (default_printf_pointer_format): Define new function.
160         * tree-pass.h (make_pass_sprintf_length): Declare new function.
161         * print-tree.c: Increase buffer size.
163 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
165          * tree-vrp.c (get_value_range): Teach PARM_DECL to use ipa-vrp
166          results.
168 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
170         * common.opt: New option -fipa-vrp.
171         * ipa-cp.c (ipa_get_vr_lat): New.
172         (ipcp_vr_lattice::print): Likewise.
173         (print_all_lattices): Call ipcp_vr_lattice::print.
174         (ipcp_vr_lattice::meet_with): New.
175         (ipcp_vr_lattice::meet_with_1): Likewise.
176         (ipcp_vr_lattice::top_p): Likewise.
177         (ipcp_vr_lattice::bottom_p): Likewsie.
178         (ipcp_vr_lattice::set_to_bottom): Likewise.
179         (set_all_contains_variable): Call VR set_to_bottom.
180         (initialize_node_lattices): Init VR lattices.
181         (propagate_vr_accross_jump_function): New.
182         (propagate_constants_accross_call): Call
183         propagate_vr_accross_jump_function.
184         (ipcp_store_vr_results): New.
185         (ipcp_driver): Handle VR.
186         * ipa-prop.c (ipa_print_node_jump_functions_for_edge): Handle VR.
187         (ipa_set_jf_unknown): Likewise.
188         (ipa_compute_jump_functions_for_edge): Likewise.
189         (ipa_node_params_t::duplicate): Likewise.
190         (ipa_write_jump_function): Likewise.
191         (ipa_read_jump_function): Likewise.
192         (write_ipcp_transformation_info): Likewise.
193         (read_ipcp_transformation_info): Likewise.
194         (ipcp_update_vr): New.
195         (ipcp_transform_function): Handle VR.
196         * ipa-prop.h (struct ipa_vr): New.
197         * cgraph.c: Include tree-vrp.h.
198         * cgraphunit.c: Likewise.
199         * ipa-utils.c: Likewise.
200         * ipa.c: Likewise.
201         * opts.c: Likewise.
202         * toplev.c: Likewise.
203         * ipa-devirt.c: Likewise.
204         * ipa-inline-transform.c: Likewise.
205         * ipa-inline.c: Likewise.
206         * ipa-profile.c: Likewise.
208 2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
210         * doc/invoke.texi: Document -fdump-tree-evrp.
211         * passes.def: Define new pass_early_vrp.
212         * timevar.def: Define new TV_TREE_EARLY_VRP.
213         * tree-pass.h (make_pass_early_vrp): New.
214         * tree-ssa-propagate.c: Make replace_uses_in non static.
215         * tree-ssa-propagate.h: Export replace_uses_in.
216         * tree-vrp.c (extract_range_for_var_from_comparison_expr): New.
217         (extract_range_from_assert): Factor out
218         extract_range_for_var_from_comparison_expr.
219         (vrp_initialize_lattice): New.
220         (vrp_initialize): Factor out vrp_initialize_lattice.
221         (vrp_valueize): Fix it to reject complex value ranges.
222         (vrp_free_lattice): New.
223         (evrp_dom_walker::before_dom_children): Likewise.
224         (evrp_dom_walker::after_dom_children): Likewise.
225         (evrp_dom_walker::push_value_range): Likewise.
226         (evrp_dom_walker::pop_value_range): Likewise.
227         (execute_early_vrp): Likewise.
228         (execute_vrp): Call vrp_initialize_lattice and
229         vrp_free_lattice.
230         (make_pass_early_vrp): New.
232 2016-09-20  Uros Bizjak  <ubizjak@gmail.com>
234         * config/i386/i386.md (mult->ashift peephole2s): Use pow2p_hwi
235         instead of exact_log2.
237 2016-09-20  Uros Bizjak  <ubizjak@gmail.com>
239         PR target/77621
240         * config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
241         Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
242         (ix86_add_stmt_cost): Penalize DFmode vector operations
243         for !TARGET_VECTORIZE_DOUBLE.
245 2016-09-20  Gerald Pfeifer  <gerald@pfeifer.com>
247         * doc/invoke.texi (Warning Options): Simplify language.
248         (Optimize Options): Complete sentence.
250 2016-09-20  David Edelsohn  <dje.gcc@gmail.com>
252         * dbxout.c (xcoff_debug_hooks):  Add filename parameter to
253         early_finish hook.
255 2016-09-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
257         PR target/71395
258         * config/rs6000/rs6000.c (rs6000_expand_vector_init): For V4SF
259         inits on power8 and above, use the VMRGEW instruction instead of a
260         permute.
262         * config/rs6000/altivec.md (UNSPEC_VMRGEW_DIRECT): New unspec.
263         (p8_vmrgew_v4sf_direct): New VMRGEW insn for V4SF floating
264         initialization.
266 2016-09-20  Tamar Christina  <tamar.christina@arm.com>
268         * config/aarch64/arm_neon.h
269         (vst2_s64, vst2_u64, vst2_f64, vst2_s8): Add missing attributes.
270         (vst3_s64, vst3_u64, vst3_f64, vst3_s8): Likewise.
271         (vst4_s64, vst4_u64, vst4_f64, vst4_s8): Likewise.
273 2016-09-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
275         * config/var/vax.h (ELIMINABLE_REGS): Define.
276         (INITIAL_ELIMINATION_OFFSET): Define.
278 2016-09-20  Jakub Jelinek  <jakub@redhat.com>
280         PR middle-end/77624
281         * builtins.c (fold_builtin_atomic_always_lock_free): Only look through
282         cast to void * if the cast is from some other pointer type.
284 2016-09-20  Richard Biener  <rguenther@suse.de>
286         PR tree-optimization/77646
287         * tree-ssa-sccvn.c (visit_reference_op_call): Always value-number
288         a VDEF.
290 2016-09-20  Tamar Christina  <tamar.christina@arm.com>
292         * config/aarch64/arm_neon.h: Add gnu_inline and artificial
293         attributes to all inlined functions and make them extern.
295 2016-09-20  Richard Biener  <rguenther@suse.de>
297         * debug.h (gcc_debug_hooks): Add filename parameter to early_finish
298         hook.
299         * debug.c (do_nothing_debug_hooks): Adjust.
300         * dbxout.c (dbx_debug_hooks): Likewise.
301         * sdbout.c (sdb_debug_hooks): Likewise.
302         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
303         (dwarf2out_finish): Move producer, filename and
304         path annotation ...
305         (dwarf2out_early_finish): ... here.  Remove in_lto_p special-casing.
306         * cgraphunit.c (symbol_table::finalize_compilation_unit): Adjust.
308 2016-09-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
310         PR c++/77434
311         * doc/invoke.texi: Document -Wint-in-bool-context.
313         PR middle-end/77421
314         * dwarf2out.c (output_loc_operands): Fix an assertion.
316 2016-09-19  Joseph Myers  <joseph@codesourcery.com>
318         * ginclude/float.h [__STDC_WANT_IEC_60559_BFP_EXT__]
319         (CR_DECIMAL_DIG): New macro.
321 2016-09-19  Joseph Myers  <joseph@codesourcery.com>
323         * ginclude/stddef.h (max_align_t) [__i386__]: Add __float128
324         element.
326 2016-09-19  Vladimir Makarov  <vmakarov@redhat.com>
328         PR rtl-optimization/77416
329         * lra-remat.c (operand_to_remat): Process hard coded insn
330         registers.
332 2016-09-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
334         * simplify-rtx.c (simplify_relational_operation_1): Add transformation
335         (GTU (PLUS a C) (C - 1)) --> (LTU a -C).
337 2016-09-19  Segher Boessenkool  <segher@kernel.crashing.org>
339         * target.def (lra_p): Wordsmithing.
340         * doc/tm.texi: Regenerate.
342 2016-09-19  Jakub Jelinek  <jakub@redhat.com>
343             Jan Hubicka  <jh@suse.cz>
345         PR target/77587
346         * cgraph.c (cgraph_node::rtl_info): Pass &avail to
347         ultimate_alias_target call, return NULL if avail < AVAIL_AVAILABLE.
348         Call ultimate_alias_target just once, not up to 4 times.
350 2016-09-19  Richard Biener  <rguenther@suse.de>
352         * dwarf2out.c (early_dwarf_finished): New global.
353         (set_early_dwarf::set_early_dwarf): Assert early_dwarf_finished
354         is false.
355         (dwarf2out_early_finish): Set early_dwarf_finished at the end,
356         if called from LTO exit early.
357         (dwarf2out_late_global_decl): When being during the early
358         debug phase do not add locations but only const value attributes.
359         Adjust the way we generate early DIEs for LTO.
361 2016-09-19  Richard Biener  <rguenther@suse.de>
363         PR middle-end/77605
364         * tree-data-ref.c (analyze_subscript_affine_affine): Use the
365         proper niter to bound the loops.
367 2016-09-19  Richard Biener  <rguenther@suse.de>
369         PR tree-optimization/77514
370         * tree-ssa-pre.c (create_expression_by_pieces): Optimize
371         search for folded stmt.
373 2016-09-17  Jan Hubicka  <hubicka@ucw.cz>
375         * passes.def (pass_early_thread_jumps): Schedule after forwprop.
376         * tree-pass.h (make_pass_early_thread_jumps): Declare.
377         * tree-ssa-threadbackward.c (fsm_find_thread_path,
378         fsm_find_thread_path, profitable_jump_thread_path,
379         fsm_find_control_statement_thread_paths,
380         find_jump_threads_backwards): Add speed_p parameter.
381         (pass_data_early_thread_jumps): New pass.
382         (make_pass_early_thread_jumps): New function.
384 2016-09-17  Andreas Schwab  <schwab@suse.de>
386         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add cast.
387         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.
389 2016-09-16  Eric Botcazou  <ebotcazou@adacore.com>
391         * recog.c (rest_of_handle_split_after_reload): Delete.
392         (pass_split_after_reload::gate): New method.
393         (pass_split_after_reload::execute): Call split_all_insns directly.
395 2016-09-16  Jonathan Wakely  <jwakely@redhat.com>
397         * doc/extend.texi (Integer Overflow Builtins): Fix type of out
398         parameters for functions taking long long arguments.
400 2016-09-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
402         PR target/77613
403         * config/rs6000/rs6000.c (rtx_is_swappable_p): Add support for
404         splat with truncate.
406 2016-09-16  Jason Merrill  <jason@redhat.com>
408         * hwint.h (least_bit_hwi, pow2_or_zerop, pow2p_hwi, ctz_or_zero):
409         New.
410         * hwint.c (exact_log2): Use pow2p_hwi.
411         (ctz_hwi, ffs_hwi): Use least_bit_hwi.
412         * alias.c (memrefs_conflict_p): Use pow2_or_zerop.
413         * builtins.c (get_object_alignment_2, get_object_alignment)
414         (get_pointer_alignment, fold_builtin_atomic_always_lock_free): Use
415         least_bit_hwi.
416         * calls.c (compute_argument_addresses, store_one_arg): Use
417         least_bit_hwi.
418         * cfgexpand.c (expand_one_stack_var_at): Use least_bit_hwi.
419         * combine.c (force_to_mode): Use least_bit_hwi.
420         (contains_muldiv, find_split_point, combine_simplify_rtx)
421         (simplify_if_then_else, simplify_set, force_to_mode)
422         (if_then_else_cond, simplify_and_const_int_1)
423         (simplify_compare_const): Use pow2p_hwi.
424         * cse.c (fold_rtx): Use pow2p_hwi.
425         * emit-rtl.c (set_mem_attributes_minus_bitpos, adjust_address_1):
426         Use least_bit_hwi.
427         * expmed.c (synth_mult, expand_divmod): Use ctz_or_zero, ctz_hwi.
428         (init_expmed_one_conv): Use pow2p_hwi.
429         * expr.c (is_aligning_offset): Use pow2p_hwi.
430         * fold-const.c (round_up_loc, round_down_loc): Use pow2_or_zerop.
431         (fold_binary_loc): Use pow2p_hwi.
432         * function.c (assign_parm_find_stack_rtl): Use least_bit_hwi.
433         * gimple-fold.c (gimple_fold_builtin_memory_op): Use pow2p_hwi.
434         * gimple-ssa-strength-reduction.c (replace_ref): Use least_bit_hwi.
435         * hsa-gen.c (gen_hsa_addr_with_align, hsa_bitmemref_alignment):
436         Use least_bit_hwi.
437         * ifcvt.c (noce_try_store_flag_constants): Use pow2p_hwi.
438         * ipa-cp.c (ipcp_alignment_lattice::meet_with_1): Use least_bit_hwi.
439         * ipa-prop.c (ipa_modify_call_arguments): Use least_bit_hwi.
440         * omp-low.c (oacc_loop_fixed_partitions)
441         (oacc_loop_auto_partitions): Use least_bit_hwi.
442         * rtlanal.c (nonzero_bits1): Use ctz_or_zero.
443         * stor-layout.c (place_field): Use least_bit_hwi.
444         * tree-pretty-print.c (dump_generic_node): Use pow2p_hwi.
445         * tree-sra.c (build_ref_for_offset): Use least_bit_hwi.
446         * tree-ssa-ccp.c (ccp_finalize): Use least_bit_hwi.
447         * tree-ssa-math-opts.c (bswap_replace): Use least_bit_hwi.
448         * tree-ssa-strlen.c (handle_builtin_memcmp): Use pow2p_hwi.
449         * tree-vect-data-refs.c (vect_analyze_group_access_1)
450         (vect_grouped_store_supported, vect_grouped_load_supported)
451         (vect_permute_load_chain, vect_shift_permute_load_chain)
452         (vect_transform_grouped_load): Use pow2p_hwi.
453         * tree-vect-generic.c (expand_vector_divmod): Use ctz_or_zero.
454         * tree-vect-patterns.c (vect_recog_divmod_pattern): Use ctz_or_zero.
455         * tree-vect-stmts.c (vectorizable_mask_load_store): Use
456         least_bit_hwi.
457         * tsan.c (instrument_expr): Use least_bit_hwi.
458         * var-tracking.c (negative_power_of_two_p): Use pow2_or_zerop.
460 2016-09-16  Andreas Schwab  <schwab@suse.de>
462         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Use parameter
463         OFFSET, not offset.
464         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.
466 2016-09-16  Jakub Jelinek  <jakub@redhat.com>
468         PR target/77526
469         * combine.c (rest_of_handle_combine): If any edges have been purged,
470         free dominators if available.
472 2016-09-16  Jakub Jelinek  <jakub@redhat.com>
473             Eric Botcazou  <ebotcazou@adacore.com>
475         PR middle-end/77594
476         * internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
477         through into expand_addsub_overflow after expand_neg_overflow.
479 2016-09-15  David Malcolm  <dmalcolm@redhat.com>
481         * diagnostic-show-locus.c
482         (selftest::test_fixit_insert_containing_newline): New function.
483         (selftest::test_fixit_replace_containing_newline): New function.
484         (selftest::diagnostic_show_locus_c_tests): Call the above.
486 2016-09-15  Bin Cheng  <bin.cheng@arm.com>
488         PR tree-optimization/77503
489         * tree-vect-loop.c (vectorizable_reduction): Record reduction
490         code for CONST_COND_REDUCTION at analysis stage and use it at
491         transform stage.
492         * tree-vectorizer.h (struct _stmt_vec_info): New field.
493         (STMT_VINFO_VEC_CONST_COND_REDUC_CODE): New macro.
494         * tree-vect-stmts.c (new_stmt_vec_info): Initialize above new
495         field.
497 2016-09-15  Richard Biener  <rguenther@suse.de>
499         PR middle-end/77544
500         * fold-const.c (split_tree): Do not split constant ~X.
502 2016-09-15  Jakub Jelinek  <jakub@redhat.com>
504         PR rtl-optimization/77425
505         * sched-int.h (sd_iterator_cond): Don't update it_ptr->linkp if list
506         is NULL.
508         PR middle-end/77475
509         * config/i386/i386.c (ix86_parse_stringop_strategy_string): Simplify,
510         use %qs instead of %s where desirable, use argument instead of arg in
511         the diagnostic wording, add list of supported strategies and
512         spellcheck hint.
513         (ix86_option_override_internal): Emit target("m...") instead of
514         option("m...") in the diagnostic.  Use %qs instead of %s in invalid
515         -march/-mtune option diagnostic.  Add list of supported arches/tunings
516         and spellcheck hint.  Remove prefix, suffix and sw variables, use
517         main_args_p ? "..." : "..." in diagnostics to make translation
518         possible.
520 2016-09-15  Richard Biener  <rguenther@suse.de>
522         * dwarf2asm.h (dw2_asm_output_offset): Add overload with
523         extra offset argument.
524         * dwarf2asm.c (dw2_asm_output_offset): Implement that.
525         * doc/tm.texi.in (ASM_OUTPUT_DWARF_OFFSET): Adjust documentation
526         to reflect new offset parameter.
527         * doc/tm.texi: Regenerate.
528         * config/darwin.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
529         * config/darwin-protos.h (darwin_asm_output_dwarf_delta): Add
530         offset argument.
531         (darwin_asm_output_dwarf_offset): Likewise.
532         * config/darwin.c (darwin_asm_output_dwarf_delta): Add offset
533         argument.
534         (darwin_asm_output_dwarf_offset): Pass offset argument through.
535         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
536         * config/i386/cygmin.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.
538 2016-09-15  Chung-Lin Tang  <cltang@codesourcery.com>
540         PR fortran/72743
541         * ipa-icf.c (set_alias_uids): New function.
542         (sem_variable::merge): Use set_alias_uids to set DECL_PT_UID of
543         all the merged variable's referring aliases.
545 2016-09-15  Richard Biener  <rguenther@suse.de>
547         PR tree-optimization/77514
548         * tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
549         only forced_stmts sequence.
551 2016-09-15  Kugan Vivekanandarajah  <kuganv@linaro.org>
553         * tree-ssanames.h (FOR_EACH_SSA_NAME): New.
554         * cfgexpand.c (update_alias_info_with_stack_vars): Use
555         FOR_EACH_SSA_NAME to iterate over SSA variables.
556         (pass_expand::execute): Likewise.
557         * omp-simd-clone.c (ipa_simd_modify_function_body): Likewise.
558         * tree-cfg.c (dump_function_to_file): Likewise.
559         * tree-into-ssa.c (pass_build_ssa::execute): Likewise.
560         (update_ssa): Likewise.
561         * tree-ssa-alias.c (dump_alias_info): Likewise.
562         * tree-ssa-ccp.c (ccp_finalize): Likewise.
563         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise.
564         (create_outofssa_var_map): Likewise.
565         (coalesce_ssa_name): Likewise.
566         * tree-ssa-operands.c (dump_immediate_uses): Likewise.
567         * tree-ssa-pre.c (compute_avail): Likewise.
568         * tree-ssa-sccvn.c (init_scc_vn): Likewise.
569         (scc_vn_restore_ssa_info): Likewise.
570         (free_scc_vn): Likwise.
571         (run_scc_vn): Likewise.
572         * tree-ssa-structalias.c (compute_points_to_sets): Likewise.
573         * tree-ssa-ter.c (new_temp_expr_table): Likewise.
574         * tree-ssa-copy.c (fini_copy_prop): Likewise.
575         * tree-ssa.c (verify_ssa): Likewise.
577 2016-09-14  Matthew Fortune  <matthew.fortune@imgtec.com>
579         * config.gcc (mips*-mti-elf*, mips*-mti-linux*): Set mips32r2
580         and mips64r2 as default 32-bit and 64-bit architectures.
581         (mips*-img-elf*, mips*-img-linux*): Set mips32r6 and mips64r6
582         as default 32-bit and 64-bit architectures.
584 2016-09-14  Pat Haugen  <pthaugen@us.ibm.com>
586         * loop-unroll.c (unroll_loop_runtime_iterations): Set probability
587         of succ edge.
589 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
591         * target.def (lra_p): Change commentary (for the manual) for the
592         new default.
593         * doc/tm.texi: Regenerate.
595 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
597         * config/aarch64/aarch64.c (TARGET_LRA_P): Delete macro.
598         * config/arm/arm.c (TARGET_LRA_P): Delete macro.
599         * config/i386/i386.c (TARGET_LRA_P): Delete macro.
600         * config/nds32/nds32.c (TARGET_LRA_P): Delete macro.
602 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
604         * targhooks.c (default_lra_p): Return true instead of false.
606 2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
608         * config/alpha/alpha.c (TARGET_LRA_P): New macro, defined to
609         hook_bool_void_false.
610         * config/avr/avr.c: Ditto.
611         * config/bfin/bfin.c: Ditto.
612         * config/c6x/c6x.c: Ditto.
613         * config/cr16/cr16.c: Ditto.
614         * config/cris/cris.c: Ditto.
615         * config/epiphany/epiphany.c: Ditto.
616         * config/fr30/fr30.c: Ditto.
617         * config/frv/frv.c: Ditto.
618         * config/h8300/h8300.c: Ditto.
619         * config/ia64/ia64.c: Ditto.
620         * config/iq2000/iq2000.c: Ditto.
621         * config/lm32/lm32.c: Ditto.
622         * config/m32c/m32c.c: Ditto.
623         * config/m32r/m32r.c: Ditto.
624         * config/m68k/m68k.c: Ditto.
625         * config/mcore/mcore.c: Ditto.
626         * config/microblaze/microblaze.c: Ditto.
627         * config/mmix/mmix.c: Ditto.
628         * config/mn10300/mn10300.c: Ditto.
629         * config/moxie/moxie.c: Ditto.
630         * config/msp430/msp430.c: Ditto.
631         * config/nios2/nios2.c: Ditto.
632         * config/nvptx/nvptx.c: Ditto.
633         * config/pa/pa.c: Ditto.
634         * config/pdp11/pdp11.c: Ditto.
635         * config/rl78/rl78.c: Ditto.
636         * config/sparc/sparc.c: Ditto.
637         * config/spu/spu.c: Ditto.
638         * config/stormy16/stormy16.c: Ditto.
639         * config/tilegx/tilegx.c: Ditto.
640         * config/tilepro/tilepro.c: Ditto.
641         * config/v850/v850.c: Ditto.
642         * config/vax/vax.c: Ditto.
643         * config/visium/visium.c: Ditto.
644         * config/xtensa/xtensa.c: Ditto.
646 2016-09-14  Jakub Jelinek  <jakub@redhat.com>
648         PR sanitizer/68260
649         * tsan.c: Include target.h.
650         (enum tsan_atomic_action): Add bool_clear and bool_test_and_set.
651         (BOOL_CLEAR, BOOL_TEST_AND_SET): Define.
652         (tsan_atomic_table): Add BUILT_IN_ATOMIC_CLEAR and
653         BUILT_IN_ATOMIC_TEST_AND_SET entries.
654         (instrument_builtin_call): Handle bool_clear and bool_test_and_set.
656 2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
657             Martin Liska  <mliska@suse.cz>
659         PR middle-end/77574
660         * predict.c (force_edge_cold): Add braces to a condition.
662 2016-09-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
664         PR rtl-optimization/77289
665         * lra-constraints.c (get_final_hard_regno): Removed.
666         (get_hard_regno): Add new parameter final_p.
667         (get_reg_class): Directly call lra_get_elimination_hard_regno.
668         (operands_match_p): Adjust call to get_hard_regno.
669         (uses_hard_regs_p): Likewise.
670         (process_alt_operands): Likewise.
672 2016-09-13  Joe Seymour  <joe.s@somniumtech.com>
674         PR target/70713
675         * config/msp430/msp430.c (msp430_start_function): Emit an error
676         if a function is both weak and specifies an interrupt number.
678 2016-09-13  Jakub Jelinek  <jakub@redhat.com>
680         PR tree-optimization/77454
681         * tree-ssa-dom.c (optimize_stmt): Set modified flag on stmt after
682         changing GIMPLE_COND.  Move update_stmt_if_modified call after this.
683         Formatting fix.
685 2016-09-13  Tamar Christina  <tamar.christina@arm.com>
687         * config/aarch64/aarch64-builtins.c
688         (aarch64_init_simd_builtins): Fix builtin type signature printing.
690 2016-09-13  Uros Bizjak  <ubizjak@gmail.com>
692         * config/alpha/alpha.c (alpha_pass_by_reference): Pass un-named
693         SFmode and SCmode arguments by reference.
695 2016-09-13  David Malcolm  <dmalcolm@redhat.com>
697         * diagnostic-show-locus.c (selftest::test_one_liner_fixit_insert):
698         Rename to...
699         (selftest::test_one_liner_fixit_insert_before): ...this, and update
700         for renaming of add_fixit_insert to add_fixit_insert_before.
701         (selftest::test_one_liner_fixit_insert_after): New function.
702         (selftest::test_one_liner_fixit_validation_adhoc_locations):
703         Update for renaming of add_fixit_insert to add_fixit_insert_before.
704         (selftest::test_one_liner_many_fixits): Likewise.
705         (selftest::test_diagnostic_show_locus_one_liner): Update for
706         renaming, call new test function.
707         (selftest::test_diagnostic_show_locus_fixit_lines): Update for
708         renaming of add_fixit_insert to add_fixit_insert_before.
709         (selftest::test_fixit_consolidation): Likewise.
710         * diagnostic.c (selftest::test_print_parseable_fixits_insert):
711         Likewise.
712         * edit-context.c (selftest::test_applying_fixits_insert): Rename to...
713         (selftest::test_applying_fixits_insert_before): ...this.
714         (selftest::test_applying_fixits_insert): Update for renaming of
715         add_fixit_insert to add_fixit_insert_before.
716         (selftest::test_applying_fixits_insert_after): New function.
717         (selftest::test_applying_fixits_insert_after_at_line_end): New
718         function.
719         (selftest::test_applying_fixits_insert_after_failure): New function.
720         (selftest::test_applying_fixits_multiple): Update for renaming of
721         add_fixit_insert to add_fixit_insert_before.
722         (selftest::change_line): Likewise.
723         (selftest::test_applying_fixits_unreadable_file): Likewise.
724         (selftest::test_applying_fixits_line_out_of_range): Likewise.
725         (selftest::test_applying_fixits_column_validation): Likewise.
726         (selftest::test_applying_fixits_column_validation): Likewise.
727         (selftest::edit_context_c_tests): Update for renamed test function;
728         call new test functions.
730 2016-09-13  Pat Haugen  <pthaugen@us.ibm.com>
732         PR tree-optimization/77536
733         PR rtl-optimization/68212
734         * config/rs6000/rs6000.md (div->recip splitter): Remove
735         optimize_insn_for_speed_p condition.
737 2016-09-13  Maciej W. Rozycki  <macro@imgtec.com>
739         * optabs.c (prepare_cmp_insn): Update documentation comment.
741 2016-09-13  Jakub Jelinek  <jakub@redhat.com>
742             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
744         PR middle-end/77475
745         * opts.h (candidates_list_and_hint): Declare.
746         * opts-common.c (candidates_list_and_hint): New function.
747         (cmdline_handle_error): Use it.
749 2016-09-12  David Malcolm  <dmalcolm@redhat.com>
751         * edit-context.c (edited_line::get_len): New accessor.
752         (edited_file::print_diff): Split out hunk-printing into...
753         (edited_file::print_diff_hunk): New method.
754         (edited_file::print_diff_line): New method.
756 2016-09-12  Andrew Pinski  <apinski@cavium.com>
758         * config/aarch64/aarch64-tuning-flags.def (SLOW_UNALIGNED_LDPW):
759         New tuning option.
760         * config/aarch64/aarch64.c (thunderx_tunings): Enable
761         AARCH64_EXTRA_TUNE_SLOW_UNALIGNED_LDPW.
762         (aarch64_operands_ok_for_ldpstp): Return false if
763         AARCH64_EXTRA_TUNE_SLOW_UNALIGNED_LDPW and the mode
764         was SImode and the alignment is less than 8 byte.
765         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
767 2016-09-12  Orlando Arias  <oarias@knights.ucf.edu>
769         PR target/77570
770         * config/msp430/msp430.md (delay_cycles_32x): Fix pushm/popm.
772 2016-09-12  Marek Polacek  <polacek@redhat.com>
774         * doc/extend.texi: Use lowercase "boolean".
775         * doc/invoke.texi: Likewise.
776         * doc/md.texi: Likewise.
777         * target.def: Likewise.
778         * doc/tm.texi: Regenerated.
780 2016-09-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
782         PR middle-end/77426
783         * expmed.c (synth_mult): Delete duplicate mode check.
785 2016-09-10  Tom de Vries  <tom@codesourcery.com>
787         PR C/71602
788         * builtins.c (std_canonical_va_list_type): Strictly return non-null for
789         va_list type only.
790         * config/i386/i386.c (ix86_canonical_va_list_type): Same.
791         * gimplify.c (gimplify_va_arg_expr): Handle &va_list.
793 2016-09-09  Peter Bergner  <bergner@vnet.ibm.com>
795         PR rtl-optimization/77289
796         * lra-constraints.c (get_final_hard_regno): Add support for non hard
797         register numbers.  Remove support for subregs.
798         (get_hard_regno): Use SUBREG_P.  Don't call get_final_hard_regno().
799         (get_reg_class): Delete removed get_final_hard_regno() argument.
800         (uses_hard_regs_p): Call get_final_hard_regno().
802 2016-09-09  Martin Sebor  <msebor@redhat.com>
804         PR c/77520
805         PR c/77521
806         * pretty-print.c (pp_quoted_string): New function.
807         (pp_format): Call it for %c and %s directives.
809 2016-09-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
811         * doc/tm.texi.in (INITIAL_FRAME_POINTER_OFFSET): Remove.
812         (ELIMINABLE_REGS, TARGET_CAN_ELIMINATE,
813         INITIAL_ELIMINATION_OFFSET) : Update documentation.
814         * target.def (frame_pointer_required, can_eliminate): Likewise.
815         * doc/tm.texi: Regenerated.
816         * builtins.c (expand_builtin_setjmp_receiver): Remove #ifdef
817         ELIMINABLE_REGS.
818         * df-scan.c (df_hard_reg_init): Likewise.
819         * ira.c (ira_setup_eliminable_regset): Likewise.
820         * lra-eliminations.c (reg_eliminate_1, (update_reg_eliminate,
821         init_elim_table): Likewise.
822         * reload1.c (reg_eliminate_1, verify_initial_elim_offsets,
823         set_initial_elim_offsets, update_eliminables,
824         init_elim_table): Likewise.
825         * rtlanal.c (get_initial_register_offset): Likewise.
826         * config/ft32/ft32.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
827         * config/m32r/m32r.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
828         * config/moxie/moxie.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
829         * config/vax/vax.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
830         * config/fr30/fr30.h: Fix comment.
831         * config/frv/frv.c: Likewise.
832         * config/frv/frv.h: Likewise.
833         * config/ft32/ft32.h: Likewise.
834         * config/visium/visium.h: Likewise.
835         * config/pa/pa64-linux.h: Likewise.
836         * config/v850/v850.h: Likewise.
837         * config/cris/cris.c: Likewise.
838         * config/ia64/ia64.h: Likewise.
839         * config/moxie/moxie.h: Likewise.
840         * config/m32r/m32r.h: Likewise.
842 2016-09-10  Alexander Ivchenko  <alexander.ivchenko@intel.com>
844         PR target/77267
845         * config.in: Regenerate.
846         * config/i386/linux-common.h (MPX_LD_AS_NEEDED_GUARD_PUSH):
847         New macro.
848         (MPX_LD_AS_NEEDED_GUARD_PUSH): Ditto.
849         (LIBMPXWRAPPERS_SPEC): Remove "--no-whole-archive" from
850         static-libmpxwrappers case.
851         (LIBMPX_SPEC): Add guards with MPX_LD_AS_NEEDED_GUARD_PUSH and
852         MPX_LD_AS_NEEDED_GUARD_POP.
853         * configure: Regenerate.
854         * configure.ac (HAVE_LD_PUSHPOPSTATE_SUPPORT): New variable.
855         defined if linker support "--push-state"/"--pop-state".
857 2016-09-09  Bernd Edlinger  <bernd.edlinger@hotmail.de>
859         * doc/cpp.texi (__*_WIDTH__): Small wording fixes.
861 2016-09-09  Joseph Myers  <joseph@codesourcery.com>
863         * doc/cpp.texi (__SCHAR_WIDTH__, __SHRT_WIDTH__, __INT_WIDTH__)
864         (__LONG_WIDTH__, __LONG_LONG_WIDTH__, __PTRDIFF_WIDTH__)
865         (__SIG_ATOMIC_WIDTH__, __SIZE_WIDTH__, __WCHAR_WIDTH__)
866         (__WINT_WIDTH__, __INT_LEAST8_WIDTH__, __INT_LEAST16_WIDTH__)
867         (__INT_LEAST32_WIDTH__, __INT_LEAST64_WIDTH__)
868         (__INT_FAST8_WIDTH__, __INT_FAST16_WIDTH__, __INT_FAST32_WIDTH__)
869         (__INT_FAST64_WIDTH__, __INTPTR_WIDTH__, __INTMAX_WIDTH__):
870         Document.
871         * ginclude/stdint-gcc.h [__STDC_WANT_IEC_60559_BFP_EXT__]: Define
872         width macros from TS 18661-1.
873         * glimits.h [__STDC_WANT_IEC_60559_BFP_EXT__]: Likewise.
875 2016-09-08  Jakub Jelinek  <jakub@redhat.com>
877         PR fortran/77516
878         * omp-low.c (lower_rec_simd_input_clauses): Use max_vf for non-positive
879         OMP_CLAUSE_SAFELEN_EXPR.
881 2016-09-07  David Malcolm  <dmalcolm@redhat.com>
883         * Makefile.in (OBJS): Add substring-locations.o.
884         * langhooks-def.h (class substring_loc): New forward decl.
885         (lhd_get_substring_location): New decl.
886         (LANG_HOOKS_GET_SUBSTRING_LOCATION): New macro.
887         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_GET_SUBSTRING_LOCATION.
888         * langhooks.c (lhd_get_substring_location): New function.
889         * langhooks.h (class substring_loc): New forward decl.
890         (struct lang_hooks): Add field get_substring_location.
891         * substring-locations.c: New file, taking definition of
892         format_warning_va and format_warning_at_substring from
893         c-family/c-format.c, making them non-static.
894         * substring-locations.h (class substring_loc): Move class here
895         from c-family/c-common.h.  Add and rewrite comments.
896         (format_warning_va): New decl.
897         (format_warning_at_substring): New decl.
898         (get_source_location_for_substring): Add comment.
900 2016-09-07  Eric Gallager  <egall@gwmail.gwu.edu>
902         * config/i386/i386.c: Add 'U' suffix to processor feature bits
903         to avoid -Wnarrowing warning.
904         * config/i386/x86-tune.def: Likewise for DEF_TUNE selector bitmasks.
905         * opts.c: Likewise for SANITIZER_OPT bitmasks.
907 2016-09-07  Wilco Dijkstra  <wdijkstr@arm.com>
909         * config/aarch64/aarch64.c (aarch64_legitimize_address):
910         Avoid use of base_offset if offset already in range.
912 2016-09-07  Kaz Kojima  <kkojima@gcc.gnu.org>
914         * config/sh/sh-protos.h (struct sh_atomic_model,
915         selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
916         TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
917         TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): Move to...
918         * config/sh/sh.h (struct sh_atomic_model,
919         selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
920         TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
921         TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): ...here.
922         Guard with __cplusplus.
924 2016-09-06  Jakub Jelinek  <jakub@redhat.com>
926         PR target/69255
927         * config/i386/i386.c (ix86_expand_builtin): For builtin with
928         unsupported or unknown ISA, use expand_call.
930 2016-09-06  Martin Liska  <mliska@suse.cz>
932         PR gcov-profile/77378
933         PR gcov-profile/77466
934         * tree-profile.c (tree_profiling): Detect whether target can use
935         -fprofile-update=atomic.
937 2016-09-06  Richard Biener  <rguenther@suse.de>
939         PR tree-optimization/77479
940         * tree-vrp.c (update_value_range): Extend overflow handling to
941         VARYING.
943 2016-09-05  Jakub Jelinek  <jakub@redhat.com>
945         PR target/77476
946         * config/i386/i386.md (isa): Add x64_avx512bw.
947         (*zero_extendsidi2): For alternative 11 use x64_avx512bw isa.
948         (kmov_isa): New mode attr.
949         (zero_extend<mode>di2): Use <kmov_isa> isa for the last alternative.
950         (*zero_extend<mode>si2): Likewise.
951         (*zero_extendqihi2): Use avx512dq isa for the last alternative.
953 2016-09-05  Gerald Pfeifer  <gerald@pfeifer.com>
955         * doc/invoke.texi (SPU Options): nops -> NOPs.
956         (x86 Options): Ditto.
958 2016-09-05  Jakub Jelinek  <jakub@redhat.com>
960         PR middle-end/77475
961         * toplev.c (process_options): Temporarily set input_location
962         to UNKNOWN_LOCATION around targetm.target_option.override () call.
964 2016-09-05  Uros Bizjak  <ubizjak@gmail.com>
966         PR rtl-optimization/77452
967         * explow.c (plus_constant) <case MEM>: Extract scalar constant from
968         inner-mode reference to a CONST_VECTOR constant in the constant pool.
970 2016-09-05  Marek Polacek  <polacek@redhat.com>
972         PR c/77423
973         * doc/invoke.texi: Update -Wlogical-not-parentheses documentation.
975 2016-09-05  Jakub Jelinek  <jakub@redhat.com>
977         PR other/77421
978         * gensupport.c (alter_output_for_subst_insn): Remove redundant
979         *insn_out == '*' test.  Don't copy unnecessary to yet another
980         memory buffer, and don't leak it.
982         PR rtl-optimization/77425
983         * ipa-devirt.c (get_odr_type): Set val->id unconditionally.
985 2016-09-03  Kirill Yukhin  <kirill.yukhin@intel.com>
987         * ubsan.c (ubsan_use_new_style_p): Fix check for empty string.
989 2016-09-02  David Malcolm  <dmalcolm@redhat.com>
991         * common.opt (fdiagnostics-generate-patch): New option.
992         * diagnostic.c: Include "edit-context.h".
993         (diagnostic_initialize): Initialize context->edit_context_ptr.
994         (diagnostic_finish): Delete context->edit_context_ptr.
995         (diagnostic_report_diagnostic): Add fix-it hints from the
996         diagnostic to context->edit_context_ptr, if any.
997         * diagnostic.h (class edit_context): Add forward decl.
998         (struct diagnostic_context): Add field "edit_context_ptr".
999         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
1000         -fdiagnostics-generate-patch.
1001         (-fdiagnostics-generate-patch): New item.
1002         * toplev.c: Include "edit-context.h".
1003         (process_options): Set global_dc->edit_context_ptr to a new
1004         edit_context if the options need one.
1005         (toplev::main): Handle -fdiagnostics-generate-patch by using
1006         global_dc->edit_context_ptr.
1008 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
1010         PR c/65467
1011         * gimplify.c (gimplify_adjust_omp_clauses_1): Diagnose implicit
1012         map and firstprivate clauses on target construct for _Atomic
1013         qualified decls.
1014         (gimplify_adjust_omp_clauses): Diagnose explicit firstprivate clauses
1015         on target construct for _Atomic qualified decls.
1016         * omp-low.c (use_pointer_for_field): Return true for _Atomic qualified
1017         decls.
1018         * omp-simd-clone.c (simd_clone_clauses_extract): Warn and give up for
1019         _Atomic qualified arguments not mentioned in uniform clause.
1021 2016-09-02  David Malcolm  <dmalcolm@redhat.com>
1023         * Makefile.in (OBJS-libcommon): Add edit-context.o.
1024         * diagnostic-color.c (color_dict): Add "diff-filename",
1025         "diff-hunk", "diff-delete", and "diff-insert".
1026         (parse_gcc_colors): Update default value of GCC_COLORS in comment
1027         to reflect above changes.
1028         * doc/invoke.texi (-fdiagnostics-color): Update description of
1029         default GCC_COLORS, and of the supported capabilities.
1030         * edit-context.c: New file.
1031         * edit-context.h: New file.
1032         * input.c (struct fcache): Add field "missing_trailing_newline".
1033         (diagnostics_file_cache_forcibly_evict_file): Initialize it to
1034         true.
1035         (add_file_to_cache_tab): Likewise.
1036         (fcache::fcache): Likewise.
1037         (get_next_line): Update c->missing_trailing_newline.
1038         (location_missing_trailing_newline): New function.
1039         * input.h (location_missing_trailing_newline): New decl.
1040         * selftest-run-tests.c (selftest::run_tests): Call
1041         edit_context_c_tests.
1042         * selftest.h (edit_context_c_tests): New decl.
1044 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
1045             Richard Biener  <rguenth@suse.de>
1047         PR tree-optimization/77444
1048         * tree-ssa-loop-ivopts.c (cand_value_at): For pointers use sizetype
1049         as steptype, remove redundant initialization.
1051 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
1053         PR sanitizer/77396
1054         * sanopt.c: Include gimple-ssa.h, tree-phinodes.h and ssa-iterators.h.
1055         (sanopt_optimize_walker): Optimize away
1056         __asan_before_dynamic_init (...) followed by
1057         __asan_after_dynamic_init () without intervening memory loads/stores.
1058         * ipa-pure-const.c (special_builtin_state): Handle
1059         BUILT_IN_ASAN_BEFORE_DYNAMIC_INIT and
1060         BUILT_IN_ASAN_AFTER_DYNAMIC_INIT.
1062 2016-09-02  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1064         * cfg.c (free_original_copy_tables): Replace second assignment of
1065         bb_copy = NULL by bb_original = NULL. 
1067 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
1069         PR other/77421
1070         * config/i386/i386.c (ix86_expanded_args_builtin): Remove redundant
1071         assignment added in r216794.
1073 2016-09-02  David Malcolm  <dmalcolm@redhat.com>
1075         * Makefile.in (OBJS): Add typed-splay-tree.o.
1076         * selftest-run-tests.c (selftest::run_tests): Call
1077         typed_splay_tree_c_tests.
1078         * selftest.h (typed_splay_tree_c_tests): New decl.
1079         * typed-splay-tree.c: New file.
1080         * typed-splay-tree.h (typed_splay_tree::foreach_fn): New typedef.
1081         (typed_splay_tree::max): New method.
1082         (typed_splay_tree::min): New method.
1083         (typed_splay_tree::foreach): New method.
1084         (typed_splay_tree::closure): New struct.
1085         (typed_splay_tree::inner_foreach_fn): New function.
1087 2016-09-02  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1089         * ipa-cp.c (ipcp_store_bits_results): Change option name from
1090         -fipa-cp-bit to -fipa-bit-cp.
1092 2016-09-01  Martin Sebor  <msebor@redhat.com>
1094         PR tree-optimization/71831
1095         * tree-object-size.h: Return bool instead of the size and add
1096         argument for the size.
1097         * tree-object-size.c (compute_object_offset): Update signature.
1098         (addr_object_size): Same.
1099         (compute_builtin_object_size): Return bool instead of the size
1100         and add argument for the size.  Handle POINTER_PLUS_EXPR when
1101         optimization is disabled.
1102         (expr_object_size): Adjust.
1103         (plus_stmt_object_size): Adjust.
1104         (pass_object_sizes::execute): Adjust.
1105         * builtins.c (fold_builtin_object_size): Adjust.
1106         * doc/extend.texi (Object Size Checking): Update.
1107         * ubsan.c (instrument_object_size): Adjust.
1109 2016-09-01  Martin Sebor  <msebor@redhat.com>
1111         * genmatch.c (parser::parse_expr): Increase buffer size to guarantee
1112         it fits the output of the formatted function regardless of its
1113         arguments.
1114         * gcc/genmodes.c (parser::parse_expr): Same.
1115         * gimplify.c (gimplify_asm_expr): Same.
1116         * passes.c (pass_manager::register_one_dump_file): Same.
1117         * print-tree.c (print_node): Same.
1119 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1121         * config/rs6000/altivec.md: Use VSCR_REGNO instead of 110 throughout.
1123 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1125         * config/rs6000/altivec.md: Use VRSAVE_REGNO instead of 109 throughout.
1127 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1129         * config/rs6000/altivec.md: Use CR6_REGNO instead of 74 throughout.
1130         * config/rs6000/vector.md: Ditto.
1131         * config/rs6000/vsx.md: Ditto.
1133 2016-09-01  Eric Botcazou  <ebotcazou@adacore.com>
1135         * ipa-inline-analysis.c (param_change_prob): Get to the base object
1136         first in all cases.
1138 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1140         * config/rs6000/rs6000.md (*restore_gpregs_<mode>_r11,
1141         *restore_gpregs_<mode>_r12, *restore_gpregs_<mode>_r1,
1142         *return_and_restore_gpregs_<mode>_r11,
1143         *return_and_restore_gpregs_<mode>_r12,
1144         *return_and_restore_gpregs_<mode>_r1,
1145         *return_and_restore_fpregs_<mode>_r11,
1146         *return_and_restore_fpregs_<mode>_r12,
1147         *return_and_restore_fpregs_<mode>_r1): Use the hard register LR_REGNO
1148         directly instead of via the "l" constraint.  Renumber operands.
1149         Fix whitespace.
1151 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1153         * config/rs6000/altivec.md (*save_world, *save_vregs_<mode>_r11,
1154         save_vregs_<mode>_r12, *restore_vregs_<mode>_r11,
1155         *restore_vregs_<mode>_r12): Use LR_REGNO instead of 65.
1156         * config/rs6000/darwin.md (load_macho_picbase, load_macho_picbase_si,
1157         load_macho_picbase_di, *call_indirect_nonlocal_darwin64,
1158         *call_nonlocal_darwin64, *call_value_indirect_nonlocal_darwin64,
1159         *call_value_nonlocal_darwin64, reload_macho_picbase,
1160         reload_macho_picbase_si, reload_macho_picbase_di): Ditto.
1161         * config/rs6000/rs6000.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Ditto.
1162         * config/rs6000/rs6000.md (*save_gpregs_<mode>_r11,
1163         *save_gpregs_<mode>_r12, *save_gpregs_<mode>_r1,
1164         *save_fpregs_<mode>_r11, *save_fpregs_<mode>_r12,
1165         *save_fpregs_<mode>_r1): Ditto.
1166         * config/rs6000/spe.md (*save_gpregs_spe, *restore_gpregs_spe,
1167         *return_and_restore_gpregs_spe): Ditto.
1169 2016-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1171         * config/rs6000/rs6000.md
1172         (define_insn "*return_and_restore_fpregs_aix_<mode>_r11"): Delete
1173         the use of the link register.
1174         (define_insn "*return_and_restore_fpregs_aix_<mode>_r1"): Ditto.
1176 2016-09-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1177             Michael Meissner  <meissner@linux.vnet.ibm.com>
1179         PR target/72827
1180         * config/rs6000/rs6000.c (rs6000_legitimize_address): Avoid
1181         reg+reg addressing for TImode.
1182         (rs6000_legitimate_address_p): Only allow register indirect
1183         addressing for TImode, even without TARGET_QUAD_MEMORY.
1185 2016-09-01  Richard Biener  <rguenther@suse.de>
1187         PR middle-end/77436
1188         * tree-chrec.c (tree_fold_binomial): Use widest_int, properly
1189         check whether the result fits the desired result type.
1191 2016-09-01  Nathan Sidwell  <nathan@acm.org>
1193         * config/nvptx/nvptx.md (cbranch<mode>4): Op 2 can be const.
1195 2016-09-01  Wilco Dijkstra  <wdijkstr@arm.com>
1197         * config/aarch64/aarch64.c (aarch64_legitimize_address_displacement):
1198         New function.
1199         (TARGET_LEGITIMIZE_ADDRESS_DISPLACEMENT): Define.
1201 2016-09-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1203         * config/aarch64/aarch64.md (*ands<mode>_compare0): New pattern.
1204         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_NZmode
1205         for comparisons of integer ZERO_EXTEND against zero.
1207 2016-09-01  Eric Botcazou  <ebotcazou@adacore.com>
1209         * config/i386/i386.c (ix86_option_override_internal): Also disable the
1210         STV pass if -mstackrealign is enabled.
1212 2016-08-31  Ilya Verbin  <iverbin@gmail.com>
1214         * config/i386/driver-i386.c (host_detect_local_cpu): Fix detection of
1215         AVX512IFMA.
1217 2016-08-31  David Malcolm  <dmalcolm@redhat.com>
1219         * diagnostic-show-locus.c (class layout): Add field m_fixit_hints.
1220         (layout_range::intersects_line_p): New method.
1221         (test_range_contains_point_for_single_point): Rename to...
1222         (test_layout_range_for_single_point): ...this, and add testing
1223         for layout_range::intersects_line_p.
1224         (test_range_contains_point_for_single_line): Rename to...
1225         (test_layout_range_for_single_line): ...this,  and add testing
1226         for layout_range::intersects_line_p.
1227         (test_range_contains_point_for_multiple_lines): Rename to...
1228         (test_layout_range_for_multiple_lines): ...this,  and add testing
1229         for layout_range::intersects_line_p.
1230         (layout::layout): Populate m_fixit_hints.
1231         (layout::get_expanded_location): Handle the case of a line-span
1232         for a fix-it hint.
1233         (layout::validate_fixit_hint_p): New method.
1234         (get_line_span_for_fixit_hint): New function.
1235         (layout::calculate_line_spans): Add spans for fixit-hints.
1236         (layout::should_print_annotation_line_p): New method.
1237         (layout::print_any_fixits): Drop param "richloc", instead using
1238         validated fixits in m_fixit_hints.  Add "const" to hint pointers.
1239         (diagnostic_show_locus): Avoid printing blank annotation lines.
1240         (selftest::test_diagnostic_context::test_diagnostic_context):
1241         Initialize show_column and start_span.
1242         (selftest::test_diagnostic_context::start_span_cb): New static
1243         function.
1244         (selftest::test_diagnostic_show_locus_fixit_lines): New function.
1245         (selftest::diagnostic_show_locus_c_tests): Update for function
1246         renamings.  Call test_diagnostic_show_locus_fixit_lines.
1248 2016-08-31  Marc Glisse  <marc.glisse@inria.fr>
1250         PR tree-optimization/73714
1251         * match.pd (a * (1 << b)): Revert change from 2016-05-23.
1253 2016-08-31  David Malcolm  <dmalcolm@redhat.com>
1255         * selftest.c: Move "namespace selftest {" to top of file,
1256         removing explicit "selftest::" qualifiers throughout.
1258 2016-08-31  Marc Glisse  <marc.glisse@inria.fr>
1260         * config/i386/avx512fintrin.h (__m512_u, __m512i_u, __m512d_u):
1261         New types.
1262         (_mm512_loadu_pd, _mm512_storeu_pd, _mm512_loadu_ps,
1263         _mm512_storeu_ps, _mm512_loadu_si512, _mm512_storeu_si512):
1264         Replace builtin with vector extension.
1265         * config/i386/avxintrin.h (__m256_u, __m256i_u, __m256d_u):
1266         New types.
1267         (_mm256_loadu_pd, _mm256_storeu_pd, _mm256_loadu_ps,
1268         _mm256_storeu_ps, _mm256_loadu_si256, _mm256_storeu_si256):
1269         Replace builtin with vector extension.
1270         * config/i386/emmintrin.h (__m128i_u, __m128d_u): New types.
1271         (_mm_loadu_pd, _mm_storeu_pd, _mm_loadu_si128, _mm_storeu_si128):
1272         Replace builtin with vector extension.
1273         * config/i386/xmmintrin.h (__m128_u): New type.
1274         (_mm_loadu_ps, _mm_storeu_ps): Replace builtin with vector extension.
1275         (_mm_load_ps, _mm_store_ps): Simplify.
1277 2016-08-31  Eric Botcazou  <ebotcazou@adacore.com>
1279         * config/arm/arm.c (thumb1_size_rtx_costs) <SET>: Add missing guard.
1281 2016-08-30  David Malcolm  <dmalcolm@redhat.com>
1283         * diagnostic-show-locus.c (colorizer::begin_state): Support more
1284         than 3 ranges per diagnostic by alternating between color 1 and
1285         color 2.
1286         (layout::layout): Replace use of rich_location::MAX_RANGES
1287         with richloc->get_num_locations ().
1288         (layout::calculate_line_spans): Replace use of
1289         rich_location::MAX_RANGES with m_layout_ranges.length ().
1290         (layout::print_annotation_line): Handle arbitrary numbers of
1291         ranges in caret-printing by defaulting to '^'.
1292         (selftest::test_one_liner_many_fixits): New function.
1293         (test_diagnostic_show_locus_one_liner): Call it.
1294         * diagnostic.c (diagnostic_initialize): Update for renaming
1295         of rich_location::MAX_RANGES to
1296         rich_location::STATICALLY_ALLOCATED_RANGES.
1297         * diagnostic.h (struct diagnostic_context): Likewise.
1299 2016-08-30  David Malcolm  <dmalcolm@redhat.com>
1301         * selftest.c (selftest::named_temp_file::named_temp_file): New
1302         ctor.
1303         (selftest::temp_source_file::~temp_source_file): Move to...
1304         (selftest::named_temp_file::~named_temp_file): ...here.
1305         (selftest::test_named_temp_file): New function.
1306         (selftest::selftest_c_tests): Call test_named_temp_file.
1307         * selftest.h (class named_temp_file): New class.
1308         (class temp_source_file): Convert to a subclass of named_temp_file.
1310 2016-08-30  Segher Boessenkool  <segher@kernel.crashing.org>
1312         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Do not emit
1313         USEs of LR_REGNO in returns and sibcalls.
1314         (rs6000_output_mi_thunk): Similar.
1315         (rs6000_sibcall_aix): Similar.
1316         * config/rs6000/rs6000.md (sibcall, sibcall_value, sibcall_local32,
1317         sibcall_local64, sibcall_value_local32, sibcall_value_local64,
1318         sibcall_nonlocal_sysv<mode>, sibcall_value_nonlocal_sysv<mode>):
1319         Remove the USE of LR_REGNO from the patterns as well.  Delete an
1320         obsolete comment.
1321         (return_internal_<mode>): Delete.
1323 2016-08-30  Tamar Christina  <tamar.christina@arm.com>
1325         * gcc/config/aarch64/aarch64-simd.md
1326         (aarch64_ld2<mode>_dreg_le): New.
1327         (aarch64_ld2<mode>_dreg_be): New.
1328         (aarch64_ld2<mode>_dreg): Removed.
1329         (aarch64_ld3<mode>_dreg_le): New.
1330         (aarch64_ld3<mode>_dreg_be): New.
1331         (aarch64_ld3<mode>_dreg): Removed.
1332         (aarch64_ld4<mode>_dreg_le): New.
1333         (aarch64_ld4<mode>_dreg_be): New.
1334         (aarch64_ld4<mode>_dreg): Removed.
1335         (aarch64_ld<VSTRUCT:nregs><VDC:mode>): Wrapper around _le, _be.
1337 2016-08-30  David Malcolm  <dmalcolm@redhat.com>
1339         * diagnostic-show-locus.c (test_one_liner_fixit_insert): Remove
1340         redundant location param.
1341         (test_one_liner_fixit_remove): Likewise.
1342         (test_one_liner_fixit_replace): Likewise.
1343         (test_one_liner_fixit_replace_equal_secondary_range): Likewise.
1344         * gcc-rich-location.c
1345         (gcc_rich_location::add_fixit_misspelled_id): Eliminate call to
1346         get_range_from_loc.  Drop overload taking a const char *.
1347         * gcc-rich-location.h
1348         (gcc_rich_location::add_fixit_misspelled_id): Drop overload taking
1349         a const char *.
1351 2016-08-30  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1353         * config/linux.c (linux_libc_has_function): Return true on musl.
1355 2016-08-30  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1357         * config.gcc (*-*-*musl*): Disable gnu-indirect-function.
1359 2016-08-30  Eric Botcazou  <ebotcazou@adacore.com>
1361         * postreload-gcse.c (bb_has_well_behaved_predecessors): Tweak criterion
1362         used for abnormal egdes.
1364 2016-08-30  Jakub Jelinek  <jakub@redhat.com>
1366         PR tree-optimization/72866
1367         * tree-vect-patterns.c (search_type_for_mask): Turn into
1368         a small wrapper, move all code to ...
1369         (search_type_for_mask_1): ... this new function.  Add caching
1370         and adjust recursive calls.
1372         PR debug/77363
1373         * dwarf2out.c (modified_type_die): Use lookup_type_die (type)
1374         instead of lookup_type_die (type_main_variant (type)) even for array
1375         types.
1377         PR middle-end/77377
1378         * simplify-rtx.c (avoid_constant_pool_reference): For out of bounds
1379         constant pool reference return x instead of c.
1381 2016-08-29  Segher Boessenkool  <segher@kernel.crashing.org>
1383         * config/rs6000/rs6000.h (CALL_REALLY_USED_REGISTERS): Do not
1384         include MQ.
1386 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
1388         * input.c
1389         (selftest::test_make_location_nonpure_range_endpoints): Fix
1390         header comment.
1392 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
1394         * diagnostic-show-locus.c
1395         (selftest::test_one_liner_fixit_validation_adhoc_locations): New
1396         function.
1397         (selftest::test_diagnostic_show_locus_one_liner): Call it.
1398         * input.c (get_pure_location): Move to libcpp/line-map.c.
1399         * input.h (get_pure_location): Convert decl to an inline function
1400         calling implementation in libcpp.
1402 2016-08-29  Uros Bizjak  <ubizjak@gmail.com>
1404         PR target/77403
1405         * config/i386/sse.md (vec_set_lo_<mode><mask_name>): Fix assembler
1406         template for intel asm dialect.
1407         (vec_set_hi_<mode><mask_name>): Ditto.
1409 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
1411         * selftest.h (selftest::fail): Add ATTRIBUTE_NORETURN.
1412         (selftest::fail_formatted): Likewise.
1414 2016-08-29  David Malcolm  <dmalcolm@redhat.com>
1416         * input.c (make_location): Call get_start and get_finish
1417         on the endpoints to avoid storing packed ranges or ad-hoc
1418         ranges in them.
1419         (selftest::test_make_location_nonpure_range_endpoints): New function.
1420         (selftest::input_c_tests): Call it.
1421         * input.h (get_start): New inline function.
1423 2016-08-29  Tom de Vries  <tom@codesourcery.com>
1425         PR c/77398
1426         * gimplify.c (gimplify_va_arg_expr): Replace first argument type error
1427         with assert.
1429 2016-08-29  Eric Botcazou  <ebotcazou@adacore.com>
1431         * Makefile.in (gcov-iov.h): Add dummy recipe.
1433 2016-08-29  Nathan Sidwell  <nathan@acm.org>
1435         * config/nvptx/nvptx.c: #include tree-vrp.h.
1437 2016-08-28  Eric Botcazou  <ebotcazou@adacore.com>
1439         PR target/77324
1440         * config/sparc/sparc.c (sparc_legitimate_address_p): Accept special
1441         HIGH+LO construct during reload.
1443 2016-08-28  Tom de Vries  <tom@codesourcery.com>
1445         PR lto/70955
1446         * config/i386/i386.c (ix86_build_builtin_va_list_64): Tag type with
1447         'sysv_abi va_list' attribute.
1448         (ix86_build_builtin_va_list): Tag type with 'ms_abi va_list' attribute.
1449         (ix86_canonical_va_list_type): Handle 'sysv_abi/ms_abi va_list'
1450         attributes.
1452 2016-08-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1454         * emit-rtl.h (struct rtl_data): Make stack_slot_list a vector.
1455         * emit-rtl.c (unshare_all_rtl_1): Adjust.
1456         (unshare_all_rtl_again): Likewise.
1457         * function.c (assign_stack_local_1): Likewise.
1458         (assign_stack_temp_for_type): Likewise.
1460 2016-08-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1462         * cfgbuild.c (make_edges): Adjust.
1463         * cfgrtl.c (can_delete_label_p): Likewise.
1464         * dwarf2cfi.c (create_trace_edges): Likewise.
1465         * except.c (sjlj_emit_dispatch_table): Likewise.
1466         * function.h (struct expr_status): make x_forced_labels a vector.
1467         * jump.c (rebuild_jump_labels_1): Adjust.
1468         * reload1.c (set_initial_label_offsets): Likewise.
1469         * stmt.c (force_label_rtx): Likewise.
1470         (expand_label): Likewise.
1472 2016-08-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1474         * haifa-sched.c (fix_recovery_deps): Make ready_list a vector.
1476 2016-08-27  Patrick Palka  <ppalka@gcc.gnu.org>
1478         PR tree-optimization/71077
1479         PR tree-optimization/68542
1480         * fold-const.c (fold_relational_const): Fix folding of
1481         VECTOR_CST comparisons that have a scalar boolean result type.
1482         (selftest::test_vector_folding): New static function.
1483         (selftest::fold_const_c_tests): Call it.
1485 2016-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
1487         * doc/extend.texi (SPU Built-in Functions): Remove stale
1488         references to material formerly at IBM and Sony.
1490 2016-08-26  David Edelsohn  <dje.gcc@gmail.com>
1492         PR target/77349
1493         * config/rs6000/xcoff.h (DWARF_OFFSET_SIZE): Define as PTR_SIZE.
1495 2016-08-26  David Malcolm  <dmalcolm@redhat.com>
1497         * diagnostic-show-locus.c
1498         (selftest::test_fixit_consolidation): New function.
1499         (selftest::diagnostic_show_locus_c_tests): Call it.
1500         * gcc-rich-location.h (gcc_rich_location): Eliminate unused
1501         constructor based on source_range.
1503 2016-08-26  David Malcolm  <dmalcolm@redhat.com>
1505         * diagnostic-color.c (color_dict): Add "fixit-insert" and
1506         "fixit-delete".
1507         (parse_gcc_colors): Update description of default GCC_COLORS.
1508         * diagnostic-show-locus.c (colorizer::set_fixit_hint): Delete.
1509         (colorizer::set_fixit_insert): New method.
1510         (colorizer::set_fixit_delete): New method.
1511         (colorizer::get_color_by_name): New method.
1512         (colorizer::STATE_FIXIT_INSERT): New constant.
1513         (colorizer::STATE_FIXIT_DELETE): New constant.
1514         (class colorizer): Drop "_cs" suffix from fields.  Delete "_ce"
1515         fields in favor of new field "m_stop_color".  Add fields
1516         "m_fixit_insert" and "m_fixit_delete".
1517         (colorizer::colorizer): Update for above changes.  Replace
1518         colorize_start calls with calls to get_color_by_name.
1519         (colorizer::begin_state): Handle STATE_FIXIT_INSERT and
1520         STATE_FIXIT_DELETE.  Update for field renamings.
1521         (colorizer::finish_state): Simplify by using m_stop_color,
1522         rather than multiple identical "*_ce" fields.
1523         (colorizer::get_color_by_name): New method.
1524         (layout::print_any_fixits): Print insertions and replacements
1525         using the "fixit-insert" color, and deletions using the
1526         "fixit-delete" color.
1527         * doc/invoke.texi (-fdiagnostics-color): Update description of
1528         default GCC_COLORS, and of the supported capabilities.
1530 2016-08-26  Max Filippov  <jcmvbkbc@gmail.com>
1532         * config/xtensa/xtensa.c (xtensa_expand_prologue): Update
1533         current_function_static_stack_size variable with the static
1534         stack frame size of the current function when
1535         flag_stack_usage_info is enabled.
1537 2016-08-26  Nathan Sidwell  <nathan@acm.org>
1539         * ipa-inline-analysis.c (inline_write_summary): Remove unnecessary
1540         assignment inside if condition.
1542 2016-08-26  Richard Biener  <rguenther@suse.de>
1544         PR tree-optimization/69047
1545         * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle general bitfield
1546         extracts similar to what FRE does.
1547         (non_rewritable_mem_ref_base): Likewise.
1549 2016-08-26  Joseph Myers  <joseph@codesourcery.com>
1551         * config/i386/i386.c (ix86_libgcc_floating_mode_supported_p)
1552         (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Remove.
1553         * config/i386/i386elf.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1554         * config/i386/lynx.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1555         * config/i386/netbsd-elf.h (IX86_MAYBE_NO_LIBGCC_TFMODE):
1556         Likewise.
1557         * config/i386/netbsd64.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1558         * config/i386/nto.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1559         * config/i386/openbsd.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1560         * config/i386/rtemself.h (IX86_NO_LIBGCC_TFMODE): Likewise.
1561         * config/i386/vxworks.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1563 2016-08-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1565         PR target/70473
1566         * config/arm/cortex-a8-neon.md (cortex_a8_vfp_muld): Reduce
1567         reservation duration to 15 cycles.
1568         (cortex_a8_vfp_macs): Likewise.
1569         (cortex_a8_vfp_macd): Likewise.
1570         (cortex_a8_vfp_divs): Likewise.
1571         (cortex_a8_vfp_divd): Likewise.
1573 2016-08-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1575         * config/arm/arm.c (arm_sets_movw_movt_fusible_p): New function.
1576         (aarch_macro_fusion_pair_p): Use above to avoid early return.
1578 2016-08-26  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1579             Martin Jambhor  <mjambor@suse.cz>
1581         * common.opt: New option -fipa-bit-cp.
1582         * doc/invoke.texi: Document -fipa-bit-cp.
1583         * opts.c (default_options_table): Add entry for -fipa-bit-cp.
1584         (enable_fdo_optimizations): Check for flag_ipa_bit_cp.
1585         * tree-ssa-ccp.h: New header file.
1586         * tree-ssa-ccp.c: Include tree-ssa-ccp.h
1587         (bit_value_binop_1): Change to bit_value_binop_1 and export it.
1588         Replace all occurences of tree parameter by two new params: signop, int.
1589         (bit_value_unop_1): Change to bit_value_unop and export it.
1590         Replace all occurences of tree parameter by two new params: signop,
1591         int.
1592         (bit_value_binop): Change call from bit_value_binop_1 to
1593         bit_value_binop.
1594         (bit_value_assume_aligned): Likewise.
1595         (bit_value_unop): Change call from bit_value_unop_1 to bit_value_unop.
1596         (do_ssa_ccp): Pass nonzero_p || flag_ipa_cp_bit instead of nonzero_p
1597         to ccp_finalize.
1598         (ccp_finalize): Skip processing if val->mask == 0.
1599         * ipa-cp.c: Include tree-ssa-ccp.h
1600         (ipcp_bits_lattice): New class.
1601         (ipcp_param_lattice (bits_lattice): New member.
1602         (print_all_lattices): Call ipcp_bits_lattice::print.
1603         (set_all_contains_variable): Call ipcp_bits_lattice::set_to_bottom.
1604         (initialize_node_lattices): Likewise.
1605         (propagate_bits_accross_jump_function): New function.
1606         (propagate_constants_accross_call): Call
1607         propagate_bits_accross_jump_function.
1608         (ipcp_propagate_stage): Store parameter types when in_lto_p is true.
1609         (ipcp_store_bits_results): New function.
1610         (ipcp_driver): Call ipcp_store_bits_results.
1611         * ipa-prop.h (ipa_bits): New struct.
1612         (ipa_jump_func): Add new member bits of type ipa_bits.
1613         (ipa_param_descriptor): Change decl to decl_or_type.
1614         (ipa_get_param): Change decl to decl_or_type and assert on
1615         PARM_DECL.
1616         (ipa_get_type): New function.
1617         (ipcp_transformation_summary): New member bits.
1618         * ipa-prop.c (ipa_get_param_decl_index_1): s/decl/decl_or_type.
1619         (ipa_populate_param_decls): Likewise.
1620         (ipa_dump_param): Likewise.
1621         (ipa_print_node_jump_functions_for_edge): Pretty-print ipa_bits jump
1622         function.
1623         (ipa_set_jf_unknown): Set ipa_bits::known to false.
1624         (ipa_compute_jump_functions_for_edge): Compute jump function for bits
1625         propagation.
1626         (ipa_node_params_t::duplicate): Copy src->bits into dst->bits.
1627         (ipa_write_jump_function): Add streaming for ipa_bits.
1628         (ipa_read_jump_function): Add support for reading streamed ipa_bits.
1629         (write_ipcp_transformation_info): Add streaming for ipa_bits
1630         summary for ltrans.
1631         (read_ipcp_transfomration_info): Add support for reading streamed
1632         ipa_bits.
1633         (ipcp_update_bits): New function.
1634         (ipcp_transform_function): Call ipcp_update_bits.
1636 2016-08-25  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1638         * config/mips/linux.h (MUSL_DYNAMIC_LINKER32): Update.
1639         (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERN32): Update.
1641 2016-08-25  David Edelsohn  <dje.gcc@gmail.com>
1643         * multiple_target.c (pass_data_dispatcher_calls): Fix typo.
1645 2016-08-25  Richard Biener  <rguenther@suse.de>
1647         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
1648         Only add locations in late dwarf.
1649         (gen_scheduled_generic_parms_dies): Do not set early dwarf here.
1650         (dwarf2out_early_finish): But do it here.
1652 2016-08-24  Michael Collison  <michael.collison@linaro.org>
1653             Michael Collison  <michael.collison@arm.com>
1655         * config/arm/arm-modes.def: Add new condition code mode CC_V
1656         to represent the overflow bit.
1657         * config/arm/arm.c (maybe_get_arm_condition_code):
1658         Add support for CC_Vmode.
1659         (arm_gen_unlikely_cbranch): New function to generate common
1660         rtl conditional branches for overflow patterns.
1661         * config/arm/arm-protos.h: Add prototype for
1662         arm_gen_unlikely_cbranch.
1663         * config/arm/arm.md (addv<mode>4, add<mode>3_compareV,
1664         addsi3_compareV_upper): New patterns to support signed
1665         builtin overflow add operations.
1666         (uaddv<mode>4, add<mode>3_compareC, addsi3_compareV_upper):
1667         New patterns to support unsigned builtin add overflow operations.
1668         (subv<mode>4, sub<mode>3_compare1): New patterns to support signed
1669         builtin overflow subtract operations,
1670         (usubv<mode>4): New patterns to support unsigned builtin subtract
1671         overflow operations.
1672         (negvsi3, negvdi3, negdi2_compare, negsi2_carryin_compare): New patterns
1673         to support builtin overflow negate operations.
1675 2016-08-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1677         Revert
1678         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1680         * explow.c (get_dynamic_stack_size): Take known alignment of stack
1681         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
1682         needed.
1684 2016-08-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1686         * doc/fragments.texi (MULTILIB_REUSE): Mention that only options in
1687         MULTILIB_OPTIONS should be used.  Small wording fixes.
1688         * genmultilib: Memorize set of all option combinations in
1689         combination_space.  Detect if RHS of MULTILIB_REUSE uses an option not
1690         found in MULTILIB_OPTIONS by checking if option set is listed in
1691         combination_space.  Output new and existing error message to stderr.
1693 2016-08-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1695         * config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping for
1696         -mcpu=cortex-a7, -mfpu=neon-fp16, -mfpu=fpv5-d16 and -mfpu=fp-armv8.
1697         Fix typo in -mfpu=vfpv3-d16-fp16 mapping.
1698         (MULTILIB_REUSE): Remove reuse rules for option set including
1699         -mfpu=fp-armv8 and -mfpu=vfpv4
1701 2016-08-24  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1703         * config/arm/t-rtems: Add vfp multilib.
1705 2016-08-23  Ian Lance Taylor  <iant@golang.org>
1707         * config/s390/s390.c (s390_asm_file_start): Call
1708         default_file_start.
1710 2016-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1712         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Set
1713         initialization of all 0's to the 0 constant, instead of directly
1714         generating XOR.  Add support for V4SImode vector initialization on
1715         64-bit systems with direct move, and rework the ISA 3.0 V4SImode
1716         initialization.  Change variables used in V4SFmode vector
1717         intialization.  For V4SFmode vector splat on ISA 3.0, make sure
1718         any memory addresses are in index form.  Add support for using
1719         VSPLTH/VSPLTB to initialize vector short and vector char vectors
1720         with all of the same element.
1721         (regno_or_subregno): New helper function to return a register
1722         number for either REG or SUBREG.
1723         (rs6000_adjust_vec_address): Do not generate ADDI <reg>,R0,<num>.
1724         Use regno_or_subregno where possible.
1725         (rs6000_split_v4si_init_di_reg): New helper function to build up a
1726         DImode value from two SImode values in order to generate V4SImode
1727         vector initialization on 64-bit systems with direct move.
1728         (rs6000_split_v4si_init): Split up the insns for a V4SImode vector
1729         initialization.
1730         (rtx_is_swappable_p): V4SImode vector initialization insn is not
1731         swappable.
1732         * config/rs6000/rs6000-protos.h (rs6000_split_v4si_init): Add
1733         declaration.
1734         * config/rs6000/vsx.md (VSX_SPLAT_I): New mode iterators and
1735         attributes to initialize V8HImode and V16QImode vectors with the
1736         same element.
1737         (VSX_SPLAT_COUNT): Likewise.
1738         (VSX_SPLAT_SUFFIX): Likewise.
1739         (UNSPEC_VSX_VEC_INIT): New unspec.
1740         (vsx_concat_v2sf): Eliminate using 'preferred' register classes.
1741         Allow SFmode values to come from Altivec registers.
1742         (vsx_init_v4si): New insn/split for V4SImode vector initialization
1743         on 64-bit systems with direct move.
1744         (vsx_splat_<mode>, VSX_W iterator): Rework V4SImode and V4SFmode
1745         vector initializations, to allow V4SImode vector initializations
1746         on 64-bit systems with direct move.
1747         (vsx_splat_v4si): Likewise.
1748         (vsx_splat_v4si_di): Likewise.
1749         (vsx_splat_v4sf): Likewise.
1750         (vsx_splat_v4sf_internal): Likewise.
1751         (vsx_xxspltw_<mode>, VSX_W iterator): Eliminate using 'preferred'
1752         register classes.
1753         (vsx_xxspltw_<mode>_direct, VSX_W iterator): Likewise.
1754         (vsx_vsplt<VSX_SPLAT_SUFFIX>_di): New insns to support
1755         initializing V8HImode and V16QImode vectors with the same
1756         element.
1757         * config/rs6000/rs6000.h (TARGET_DIRECT_MOVE_64BIT): Disallow
1758         optimization if -maltivec=be.
1760 2016-08-23  Christophe Lyon  <christophe.lyon@linaro.org>
1762         * config/arm/arm.md (arm_movqi_insn): Swap predicable_short_it
1763         attribute for alternatives 3 and 4.
1765 2016-08-23  David Malcolm  <dmalcolm@redhat.com>
1767         * selftest.c (selftest::assert_str_contains): New function.
1768         (selftest::test_assertions): Verify ASSERT_STR_CONTAINS.
1769         * selftest.h (selftest::assert_str_contains): New decl.
1770         (ASSERT_STR_CONTAINS): New macro.
1772 2016-08-23  Richard Biener  <rguenther@suse.de>
1774         PR tree-optimization/77286
1775         * tree-vect-loop.c (vect_analyze_loop_form_1): Do not modify
1776         the CFG here.
1777         (vect_transform_loop): Split exit edges of loop and scalar
1778         loop if required and at the appropriate time.
1780 2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1782         * explow.c (get_dynamic_stack_size): Take known alignment of stack
1783         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
1784         needed.
1785         Correct a typo in a comment.
1787 2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1789         * config/s390/s390.md ("*andc_split"): New splitter for and with
1790         complement.
1792 2016-08-23  Richard Biener  <rguenther@suse.de>
1794         PR tree-optimization/27336
1795         * tree-vrp.c (infer_value_range): Handle stmts that can throw
1796         by looking for a non-EH edge.
1797         (process_assert_insertions_for): Likewise.
1799 2016-08-23  Richard Biener  <rguenther@suse.de>
1801         PR middle-end/77305
1802         * statistics.c (statistics_counter_event): Robustify against
1803         NULL current_pass.
1805 2016-08-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1807         * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
1808         for targets amdfam10 and barcelona.
1810 2016-08-22  Uros Bizjak  <ubizjak@gmail.com>
1812         * config/i386/i386.md (*zero_extendsidi2): Add (*r,*k) alternative.
1813         (zero_extend<mode>di2): Ditto.
1814         (*zero_extend<mode>si2): Ditto.
1815         (*zero_extendqihi2): Ditto.
1817 2016-08-22  Joseph Myers  <joseph@codesourcery.com>
1819         PR middle-end/77269
1820         * builtins.c (fold_builtin_classify): Use builtin_decl_explicit
1821         (BUILT_IN_SIGNBIT) to expand __builtin_isinf_sign.
1823 2016-08-22  Patrick Palka  <ppalka@gcc.gnu.org>
1825         * print-tree.c (print_node) [VECTOR_CST]: Coalesce the output of
1826         identical consecutive elements.
1827         [SSA_NAME]: Print the name's def stmt on its own line.  When printing
1828         the node's def stmt, avoid printing an unwanted trailing newline by
1829         replacing the call to print_gimple_stmt() with its inlined body and
1830         adjusting it to not set pp_needs_newline and to call pp_flush()
1831         instead of pp_newline_and_flush().
1833 2016-08-22  Joseph Myers  <joseph@codesourcery.com>
1835         * tree.h (CASE_FLT_FN_FLOATN_NX, float16_type_node)
1836         (float32_type_node, float64_type_node, float32x_type_node)
1837         (float128x_type_node): New macros.
1838         * builtin-types.def (BT_FLOAT16, BT_FLOAT32, BT_FLOAT64)
1839         (BT_FLOAT128, BT_FLOAT32X, BT_FLOAT64X, BT_FLOAT128X)
1840         (BT_FN_FLOAT16, BT_FN_FLOAT32, BT_FN_FLOAT64, BT_FN_FLOAT128)
1841         (BT_FN_FLOAT32X, BT_FN_FLOAT64X, BT_FN_FLOAT128X)
1842         (BT_FN_FLOAT16_FLOAT16, BT_FN_FLOAT32_FLOAT32)
1843         (BT_FN_FLOAT64_FLOAT64, BT_FN_FLOAT128_FLOAT128)
1844         (BT_FN_FLOAT32X_FLOAT32X, BT_FN_FLOAT64X_FLOAT64X)
1845         (BT_FN_FLOAT128X_FLOAT128X, BT_FN_FLOAT16_CONST_STRING)
1846         (BT_FN_FLOAT32_CONST_STRING, BT_FN_FLOAT64_CONST_STRING)
1847         (BT_FN_FLOAT128_CONST_STRING, BT_FN_FLOAT32X_CONST_STRING)
1848         (BT_FN_FLOAT64X_CONST_STRING, BT_FN_FLOAT128X_CONST_STRING)
1849         (BT_FN_FLOAT16_FLOAT16_FLOAT16, BT_FN_FLOAT32_FLOAT32_FLOAT32)
1850         (BT_FN_FLOAT64_FLOAT64_FLOAT64, BT_FN_FLOAT128_FLOAT128_FLOAT128)
1851         (BT_FN_FLOAT32X_FLOAT32X_FLOAT32X)
1852         (BT_FN_FLOAT64X_FLOAT64X_FLOAT64X)
1853         (BT_FN_FLOAT128X_FLOAT128X_FLOAT128X): New type definitions.
1854         * builtins.def (DEF_GCC_FLOATN_NX_BUILTINS): New macro.
1855         (copysign, fabs, huge_val, inf, nan, nans): Use it.
1856         * builtins.c (expand_builtin): Use CASE_FLT_FN_FLOATN_NX for fabs
1857         and copysign.
1858         (fold_builtin_0): Use CASE_FLT_FN_FLOATN_NX for inf and huge_val.
1859         (fold_builtin_1): Use CASE_FLT_FN_FLOATN_NX for fabs.
1860         * doc/extend.texi (Other Builtins): Document these built-in
1861         functions.
1862         * fold-const-call.c (fold_const_call): Use CASE_FLT_FN_FLOATN_NX
1863         for nan and nans.
1865 2016-08-22  Gerald Pfeifer  <gerald@pfeifer.com>
1867         * doc/install.texi (Binaries): www.opencsw.org now uses https.
1869 2016-08-22  Richard Biener  <rguenther@suse.de>
1871         * tree-ssa-forwprop.c (pass_forwprop::execute): Use RPO order.
1873 2016-08-21  Uros Bizjak  <ubizjak@gmail.com>
1875         PR target/77270
1876         * config/i386/i386.md (prefetch): When TARGET_PRFCHW or
1877         TARGET_PREFETCHWT1 are disabled, emit 3dNOW! write prefetches for
1878         non-SSE2 athlons only, otherwise prefer SSE prefetches.
1880 2016-08-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
1882         * tree-vrp.c (vrp_visit_assignment_or_call): Changed to Return VR.
1883         (vrp_visit_cond_stmt): Just sets TAKEN_EDGE_P.
1884         (vrp_visit_switch_stmt): Likewise.
1885         (extract_range_from_stmt): Factored out from vrp_visit_stmt.
1886         (extract_range_from_phi_node): Factored out from vrp_visit_phi_stmt.
1887         (vrp_visit_stmt): Use extract_range_from_stmt.
1888         (vrp_visit_phi_node): Use extract_range_from_phi_node.
1890 2016-08-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
1892         * Makefile.in: Add tree-vrp.h to GTFILES.
1893         * gengtype.c (open_base_files): Add tree-vrp.h.
1894         * asan.c: Add tree-vrp.h which now has the definition value_range_type.
1895         * builtins.c: Likewise.
1896         * fold-const.c: Likewise.
1897         * gimple-builder.c: Likewise.
1898         * gimple-laddress.c: Likewise.
1899         * hsa-gen.c: Likewise.
1900         * internal-fn.c: Likewise.
1901         * ssa.h: Likewise.
1902         * targhooks.c: Liewise,
1903         * tree-ssa-address.c: Likewise.
1904         * tree-ssanames.h (value_range_type: Move to tree-vrp.h.
1905         * tree-vrp.c (struct value_range): Move to tree-vrp.h
1906         * tree-vrp.h: New file.
1908 2016-08-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
1910         PR tree-optimization/61839
1911         * tree-vrp.c (two_valued_val_range_p): New.
1912         (simplify_stmt_using_ranges): Convert CST BINOP VAR where VAR is
1913         two-valued to VAR == VAL1 ? (CST BINOP VAL1) : (CST BINOP VAL2).
1914         Also Convert VAR BINOP CST where VAR is two-valued to
1915         VAR == VAL1 ? (VAL1 BINOP CST) : (VAL2 BINOP CST).
1917 2016-08-19  David Malcolm  <dmalcolm@redhat.com>
1919         * diagnostic-show-locus.c
1920         (layout::annotation_line_showed_range_p): New method.
1921         (layout::print_any_fixits): Remove case fixit_hint::REMOVE.
1922         Reimplement case fixit_hint::REPLACE to cover removals, and
1923         replacements where the range of the replacement isn't one
1924         of the ranges in the rich_location.
1925         (test_one_liner_fixit_replace): Likewise.
1926         (selftest::test_one_liner_fixit_replace_non_equal_range): New
1927         function.
1928         (selftest::test_one_liner_fixit_replace_equal_secondary_range):
1929         New function.
1930         (selftest::test_diagnostic_show_locus_one_liner): Call the new
1931         functions.
1932         * diagnostic.c (print_parseable_fixits): Remove case
1933         fixit_hint::REMOVE.
1935 2016-08-19  Uros Bizjak  <ubizjak@gmail.com>
1937         PR target/77270
1938         * config/i386/i386.c (ix86_option_override_internal): Remove
1939         PTA_PRFCHW from entries that also have PTA_3DNOW flag.
1940         Enable SSE prefetch also for TARGET_PREFETCHWT1.
1941         Do not try to enable TARGET_PRFCHW ISA flag here.
1942         * config/i386/i386.md (prefetch): Enable also for TARGET_3DNOW.
1943         Rewrite expander function body.
1944         (*prefetch_3dnow): Enable for TARGET_3DNOW and TARGET_PREFETCHWT1.
1946 2016-08-19  Joseph Myers  <joseph@codesourcery.com>
1948         PR c/32187
1949         * tree-core.h (TI_COMPLEX_FLOAT16_TYPE)
1950         (TI_COMPLEX_FLOATN_NX_TYPE_FIRST, TI_COMPLEX_FLOAT32_TYPE)
1951         (TI_COMPLEX_FLOAT64_TYPE, TI_COMPLEX_FLOAT128_TYPE)
1952         (TI_COMPLEX_FLOAT32X_TYPE, TI_COMPLEX_FLOAT64X_TYPE)
1953         (TI_COMPLEX_FLOAT128X_TYPE, TI_FLOAT16_TYPE, TI_FLOATN_TYPE_FIRST)
1954         (TI_FLOATN_NX_TYPE_FIRST, TI_FLOAT32_TYPE, TI_FLOAT64_TYPE)
1955         (TI_FLOAT128_TYPE, TI_FLOATN_TYPE_LAST, TI_FLOAT32X_TYPE)
1956         (TI_FLOATNX_TYPE_FIRST, TI_FLOAT64X_TYPE, TI_FLOAT128X_TYPE)
1957         (TI_FLOATNX_TYPE_LAST, TI_FLOATN_NX_TYPE_LAST): New enum
1958         tree_index values.
1959         (NUM_FLOATN_TYPES, NUM_FLOATNX_TYPES, NUM_FLOATN_NX_TYPES): New
1960         macros.
1961         (struct floatn_type_info): New structure type.
1962         (floatn_nx_types): New variable declaration.
1963         * tree.h (FLOATN_TYPE_NODE, FLOATN_NX_TYPE_NODE)
1964         (FLOATNX_TYPE_NODE, float128_type_node, float64x_type_node)
1965         (COMPLEX_FLOATN_NX_TYPE_NODE): New macros.
1966         * tree.c (floatn_nx_types): New variable.
1967         (build_common_tree_nodes): Initialize _FloatN, _FloatNx and
1968         corresponding complex types.
1969         * target.def (floatn_mode): New hook.
1970         * targhooks.c: Include "real.h".
1971         (default_floatn_mode): New function.
1972         * targhooks.h (default_floatn_mode): New prototype.
1973         * doc/extend.texi (Floating Types): Document _FloatN and _FloatNx
1974         types.
1975         * doc/sourcebuild.texi (float@var{n}, float@var{n}x): Document new
1976         effective-target and dg-add-options keywords.
1977         (float@var{n}_runtime, float@var{n}x_runtime, floatn_nx_runtime):
1978         Document new effective-target keywords.
1979         * doc/tm.texi.in (TARGET_FLOATN_MODE): New @hook.
1980         * doc/tm.texi: Regenerate.
1981         * ginclude/float.h (LDBL_DECIMAL_DIG): Define to
1982         __LDBL_DECIMAL_DIG__, not __DECIMAL_DIG__.
1983         [__STDC_WANT_IEC_60559_TYPES_EXT__]: Define macros from TS
1984         18661-3.
1985         * real.h (struct real_format): Add field ieee_bits.
1986         * real.c (ieee_single_format, mips_single_format)
1987         (motorola_single_format, spu_single_format, ieee_double_format)
1988         (mips_double_format, motorola_double_format)
1989         (ieee_extended_motorola_format, ieee_extended_intel_96_format)
1990         (ieee_extended_intel_128_format)
1991         (ieee_extended_intel_96_round_53_format, ibm_extended_format)
1992         (mips_extended_format, ieee_quad_format, mips_quad_format)
1993         (vax_f_format, vax_d_format, vax_g_format, decimal_single_format)
1994         (decimal_double_format, decimal_quad_format, ieee_half_format)
1995         (arm_half_format, real_internal_format: Initialize ieee_bits
1996         field.
1997         * config/i386/i386.c (ix86_init_builtin_types): Do not initialize
1998         float128_type_node.  Set float80_type_node to float64x_type_node
1999         if appropriate and long_double_type_node not appropriate.
2000         * config/ia64/ia64.c (ia64_init_builtins): Likewise.
2001         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format):
2002         Initialize ieee_bits field.
2003         * config/rs6000/rs6000.c (TARGET_FLOATN_MODE): New macro.
2004         (rs6000_init_builtins): Set ieee128_float_type_node to
2005         float128_type_node.
2006         (rs6000_floatn_mode): New function.
2008 2016-08-19  Jakub Jelinek  <jakub@redhat.com>
2010         * config/i386/rdseedintrin.h (_rdseed16_step, _rdseed32_step,
2011         _rdseed64_step): Uglify argument names and/or local variable names
2012         in inline functions.
2013         * config/i386/rtmintrin.h (_xabort): Likewise.
2014         * config/i386/avx512vlintrin.h (_mm256_ternarylogic_epi64,
2015         _mm256_mask_ternarylogic_epi64, _mm256_maskz_ternarylogic_epi64,
2016         _mm256_ternarylogic_epi32, _mm256_mask_ternarylogic_epi32,
2017         _mm256_maskz_ternarylogic_epi32, _mm_ternarylogic_epi64,
2018         _mm_mask_ternarylogic_epi64, _mm_maskz_ternarylogic_epi64,
2019         _mm_ternarylogic_epi32, _mm_mask_ternarylogic_epi32,
2020         _mm_maskz_ternarylogic_epi32): Likewise.
2021         * config/i386/lwpintrin.h (__llwpcb, __lwpval32, __lwpval64,
2022         __lwpins32, __lwpins64): Likewise.
2023         * config/i386/avx2intrin.h (_mm_i32gather_pd, _mm_mask_i32gather_pd,
2024         _mm256_i32gather_pd, _mm256_mask_i32gather_pd, _mm_i64gather_pd,
2025         _mm_mask_i64gather_pd, _mm256_i64gather_pd, _mm256_mask_i64gather_pd,
2026         _mm_i32gather_ps, _mm_mask_i32gather_ps, _mm256_i32gather_ps,
2027         _mm256_mask_i32gather_ps, _mm_i64gather_ps, _mm_mask_i64gather_ps,
2028         _mm256_i64gather_ps, _mm256_mask_i64gather_ps, _mm_i32gather_epi64,
2029         _mm_mask_i32gather_epi64, _mm256_i32gather_epi64,
2030         _mm256_mask_i32gather_epi64, _mm_i64gather_epi64,
2031         _mm_mask_i64gather_epi64, _mm256_i64gather_epi64,
2032         _mm256_mask_i64gather_epi64, _mm_i32gather_epi32,
2033         _mm_mask_i32gather_epi32, _mm256_i32gather_epi32,
2034         _mm256_mask_i32gather_epi32, _mm_i64gather_epi32,
2035         _mm_mask_i64gather_epi32, _mm256_i64gather_epi32,
2036         _mm256_mask_i64gather_epi32): Likewise.
2037         * config/i386/pmm_malloc.h (_mm_malloc, _mm_free): Likewise.
2038         * config/i386/ia32intrin.h (__writeeflags): Likewise.
2039         * config/i386/pkuintrin.h (_wrpkru): Likewise.
2040         * config/i386/avx512pfintrin.h (_mm512_mask_prefetch_i32gather_pd,
2041         _mm512_mask_prefetch_i32gather_ps, _mm512_mask_prefetch_i64gather_pd,
2042         _mm512_mask_prefetch_i64gather_ps, _mm512_prefetch_i32scatter_pd,
2043         _mm512_prefetch_i32scatter_ps, _mm512_mask_prefetch_i32scatter_pd,
2044         _mm512_mask_prefetch_i32scatter_ps, _mm512_prefetch_i64scatter_pd,
2045         _mm512_prefetch_i64scatter_ps, _mm512_mask_prefetch_i64scatter_pd,
2046         _mm512_mask_prefetch_i64scatter_ps): Likewise.
2047         * config/i386/gmm_malloc.h (_mm_malloc, _mm_free): Likewise.
2048         * config/i386/avx512fintrin.h (_mm512_ternarylogic_epi64,
2049         _mm512_mask_ternarylogic_epi64, _mm512_maskz_ternarylogic_epi64,
2050         _mm512_ternarylogic_epi32, _mm512_mask_ternarylogic_epi32,
2051         _mm512_maskz_ternarylogic_epi32, _mm512_i32gather_ps,
2052         _mm512_mask_i32gather_ps, _mm512_i32gather_pd, _mm512_i64gather_ps,
2053         _mm512_i64gather_pd, _mm512_i32gather_epi32, _mm512_i32gather_epi64,
2054         _mm512_i64gather_epi32, _mm512_i64gather_epi64): Likewise.
2056         * config/i386/fxsrintrin.h (_fxsave): Remove return keyword in inlines
2057         returning void.
2058         (_fxrstor, _fxsave64, _fxrstor64): Likewise.
2059         * config/i386/xsaveintrin.h (_xsave, _xrstor, _xsave64, _xrstor64):
2060         Likewise.
2061         * config/i386/xsaveoptintrin.h (_xsaveopt, _xsaveopt64): Likewise.
2062         * config/i386/pkuintrin.h (_wrpkru): Likewise.  Add space after
2063         function name.
2064         (_rdpkru_u32): Add space after function name.
2066         * config/i386/t-i386 (i386-c.o): Don't depend on
2067         i386-builtin-types.inc.
2068         (i386.o): Depend on i386-builtin-types.inc.
2070 2016-08-19  Matthew Wahab  <matthew.wahab@arm.com>
2072         PR target/77281
2073         * config/arm/arm.c (neon_valid_immediate): Delete declaration.
2074         Use const_vec_duplicate to check for duplicated elements.
2076 2016-08-19  Richard Biener  <rguenther@suse.de>
2078         PR tree-optimization/77290
2079         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2080         Fix flag_tree_parallelize_loops check.
2082 2016-08-19  Richard Biener  <rguenther@suse.de>
2084         * match.pd (x | 0 -> x): Add.
2086 2016-08-19  Richard Biener  <rguenther@suse.de>
2088         PR tree-optimization/77286
2089         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
2090         Deal with virtual PHIs being out-of-order.
2092 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
2094         * doc/invoke.texi (fverbose-asm): Note that source code lines
2095         are emitted, and provide an example.
2096         * final.c (asm_show_source): New function.
2097         (final_scan_insn): Call asm_show_source.
2099 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
2101         * diagnostic-show-locus.c (colorizer::colorizer): Replace diagnostic
2102         param with diagnostic_kind.
2103         (class colorizer): Similarly replace field m_diagnostic with
2104         m_diagnostic_kind.
2105         (colorizer::colorizer): Replace diagnostic
2106         param with diagnostic_kind.
2107         (colorizer::begin_state): Update for above field change.
2108         (layout::layout): Replace diagnostic param with rich_location *
2109         and diagnostic_kind.
2110         (diagnostic_show_locus): Replace diagnostic param with richloc
2111         and diagnostic_kind.
2112         (class selftest::test_diagnostic_context): New class.
2113         (selftest::test_diagnostic_show_locus_unknown_location): New
2114         function.
2115         (selftest::test_one_liner_simple_caret): New function.
2116         (selftest::test_one_liner_caret_and_range): New function.
2117         (selftest::test_one_liner_multiple_carets_and_ranges): New
2118         function.
2119         (selftest::test_one_liner_fixit_remove): New function.
2120         (selftest::test_one_liner_fixit_replace): New function.
2121         (selftest::test_diagnostic_show_locus_one_liner): New function.
2122         (selftest::diagnostic_show_locus_c_tests): Call the new test
2123         functions.
2124         * diagnostic.c (diagnostic_initialize): Initialize
2125         colorize_source_p, show_ruler_p and parseable_fixits_p.
2126         (default_diagnostic_finalizer): Update for change to
2127         diagnostic_show_locus.
2128         (diagnostic_append_note): Likewise.
2129         * diagnostic.h (diagnostic_show_locus): Replace
2130         const diagnostic_info * param with location * and diagnostic_t.
2132 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
2134         * input.c (saved_line_table): New global.
2135         (class selftest::temp_line_table): Rename to line_table_test and
2136         move declaration to selftest.h, and drop field m_old_line_table.
2137         (selftest::temp_line_table::temp_line_table): Rename ctor to...
2138         (selftest::line_table_test::line_table_test): ...this.  Add a
2139         default ctor.  Store current value of line_table within
2140         saved_line_table.
2141         (selftest::temp_line_table::~temp_line_table): Rename dtor to...
2142         (selftest::line_table_test::~line_table_test): ...this, and
2143         restore line_table from the saved_line_table, rather than
2144         m_old_line_table.
2145         (selftest::test_accessing_ordinary_linemaps): Update for above
2146         renaming.
2147         (selftest::test_lexer): Likewise.
2148         (struct selftest::lexer_test): Likewise.
2149         (selftest::lexer_test::lexer_test): Likewise.
2150         (selftest::input_c_tests): Move the looping over test cases from
2151         here into...
2152         (selftest::for_each_line_table_case): New function.
2153         * input.h (saved_line_table): New decl.
2154         * selftest.h (struct selftest::line_table_case): New forward decl.
2155         (class selftest::line_table_test): New class, moved here from
2156         selftest::temp_line_table in input.c, and renamed.
2157         (selftest::for_each_line_table_case): New decl.
2159 2015-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2161         PR target/72839
2162         * config/i386/i386.c (lakemont_cost): Set MOVE_RATIO to 17.
2164 2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>
2166         PR middle-end/70895
2167         * gimplify.c (omp_add_variable): Adjust/add variable mapping on
2168         enclosing parallel construct for reduction variables on OpenACC loop
2169         directives.
2171 2016-08-18  Pierre-Marie de Rodat  <derodat@adacore.com>
2173         * dwarf2out.c (copy_dwarf_procedure): Remove obsolete comment.
2174         (new_dwarf_proc_die): Emit DW_TAG_dwarf_procedure DIEs even for
2175         -gdwarf-3.
2176         (function_to_dwarf_procedure): Update comment.
2178 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
2180         * input.c (diagnostics_file_cache_forcibly_evict_file): New
2181         function.
2182         * input.h (diagnostics_file_cache_forcibly_evict_file): New
2183         declaration.
2184         * selftest.c (selftest::temp_source_file::~temp_source_file):
2185         Evict m_filename from the diagnostic file cache.
2187 2016-08-18  Richard Biener  <rguenther@suse.de>
2189         * tree-pass.h (make_pass_materialize_all_clones): Declare.
2190         * ipa.c (pass_data_materialize_all_clones, pass_materialize_all_clones,
2191         make_pass_materialize_all_clones): New simple IPA pass encapsulating
2192         clone materialization.
2193         * passes.def (all_late_ipa_passes): Start with
2194         pass_materialize_all_clones.
2195         * cgraphunit.c (symbol_table::compile): Remove call to
2196         materialize_all_clones.
2197         * tree-into-ssa.c: Include statistics.h.
2198         (update_ssa): Count number of times we do incremental/rewrite
2199         SSA update.
2201 2016-08-18  Richard Biener  <rguenther@suse.de>
2203         PR tree-optimization/77282
2204         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2205         When doing auto-parallelizing also prevent use of PHIs that
2206         carry dependences across loop backedges.
2208 2016-08-18  Tamar Christina  <tamar.christina@arm.com>
2209             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2211         * varasm.c (default_use_anchors_for_symbol_p): Reject too large decls.
2213 2016-08-18  Richard Biener  <rguenther@suse.de>
2215         * ssa-iterators.h (ssa_vuse_operand): New inline.
2216         * tree-if-conv.c (ifc_temp_var): Update virtual operand.
2217         (predicate_all_scalar_phis): Use remove_phi_node to remove
2218         phi nodes predicated.  Delay removing virtual PHIs.
2219         (predicate_mem_writes): Update virtual operands.
2220         (combine_blocks): Likewise.  Propagate out remaining virtual PHIs.
2221         (tree_if_conversion): Do not rewrite virtual SSA form.
2222         * tree-phinodes.c (release_phi_node): Make static.
2223         * tree-phinodes.h (release_phi_node): Remove.
2225 2016-08-18  Jakub Jelinek  <jakub@redhat.com>
2227         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_*
2228         codes that appear in bdesc_* arrays, instead include i386-builtin.def
2229         twice to define those.
2230         (bdesc_comi, bdesc_pcmpestr, bdesc_pcmpistr, bdesc_special_args,
2231         bdesc_args, bdesc_round_args, bdesc_mpx, bdesc_mpx_const,
2232         bdesc_multi_arg): Define by including i386-builtin.def the third time.
2233         * config/i386/i386-builtin.def: New file.
2235 2016-08-17  David Malcolm  <dmalcolm@redhat.com>
2237         * input.c (get_source_range_for_char): Rename to...
2238         (selftest::get_source_range_for_char): ...this, and move within
2239         the #if CHECKING_P guard.
2240         (get_num_source_ranges_for_substring): Rename to...
2241         (selftest::get_num_source_ranges_for_substring): ...this, move
2242         within the #if CHECKING_P guard, and make static.
2243         (selftest::assert_num_substring_ranges): Initialize
2244         actual_num_ranges.
2246 2016-08-18  Alan Modra  <amodra@gmail.com>
2248         PR rtl-optimization/72771
2249         * reload.c (find_reloads): Don't assume that a subreg mem is OK
2250         when find_reloads_toplev returns address_reloaded==-1.
2251         (alternative_allows_const_pool_ref): Update comment.
2253 2015-08-17  Alan Hayward  <alan.hayward@arm.com>
2255         PR tree-optimization/71752
2256         * tree-vect-loop.c (vectorizable_reduction): Keep SLP operand ordering.
2257         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
2259 2016-08-17  Jakub Jelinek  <jakub@redhat.com>
2261         * gimple-fold.c (gimple_fold_call): Use gimple_call_noreturn_p
2262         instead of testing ECF_NORETURN bit in gimple_call_flags.
2263         * tree-cfg.c (make_edges_bb, execute_fixup_cfg): Likewise.
2264         * predict.c (tree_bb_level_predictions): Likewise.
2265         * gimple-low.c (gimple_stmt_may_fallthru): Likewise.
2267         PR middle-end/77259
2268         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): If
2269         turning a call into __builtin_unreachable-like noreturn call, adjust
2270         gimple_call_set_fntype.
2271         * tree-cfgcleanup.c (fixup_noreturn_call): Remove lhs also if
2272         gimple_call_fntype has void return type.
2274 2016-08-17  Chung-Lin Tang  <cltang@codesourcery.com>
2276         * omp-low.c (lower_oacc_reductions): Adjust variable lookup to use
2277         maybe_lookup_decl, to handle nested acc loop directives.
2279 2016-08-17  Richard Biener  <rguenther@suse.de>
2281         PR tree-optimization/76490
2282         * tree-vrp.c (update_value_range): Preserve overflow infinities
2283         when intersecting with ranges from get_range_info.
2284         (operand_less_p): Handle overflow infinities correctly.
2285         (value_range_constant_singleton): Use vrp_operand_equal_p
2286         to handle overflow max/min correctly.
2287         (vrp_valueize): Likewise.
2288         (union_ranges): Likewise.
2289         (intersect_ranges): Likewise.
2290         (vrp_visit_phi_node): Improve iteration limitation to only
2291         apply when we'll possibly re-visit the PHI via a changed argument
2292         on the backedge.
2294 2016-08-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2296         * config/arm/t-aprofile (MULTILIB_EXCEPTIONS): Rewrite into ...
2297         (MULTILIB_REQUIRED): This by specifying multilib needing to be built
2298         rather than those that should not be built.
2300 2016-08-17  Stanislaw Halik  <sthalik@misaki.pl>
2302         PR target/66488
2303         * config/i386/xm-mingw32.h (HOST_BITS_PER_PTR): Define if __x86_64__.
2305 2016-08-17  Richard Biener  <rguenther@suse.de>
2307         * tree-ssa.c: Include tree-cfg.h and tree-dfa.h.
2308         (verify_vssa): New function verifying virtual SSA form.
2309         (verify_ssa): Call it.
2310         * tree-ssa-loop-manip.c (slpeel_update_phi_nodes_for_guard2):
2311         Do not apply loop-closed SSA handling to virtuals.
2312         * ssa-iterators.h (op_iter_init): Handle GIMPLE_TRANSACTION.
2313         * tree-into-ssa.c (prepare_use_sites_for): Skip virtual SSA names
2314         when rewriting their symbol.
2315         (prepare_def_site_for): Likewise.
2316         * tree-chkp-opt.c (chkp_reduce_bounds_lifetime): Clear virtual
2317         operands of moved stmts.
2319 2016-08-17  Richard Biener  <rguenther@suse.de>
2321         PR tree-optimization/23855
2322         * tree-ssa-loop-unswitch.c: Include tree-ssa-loop-manip.h.
2323         (tree_unswitch_outer_loop): Iterate find_loop_guard as long as we
2324         find guards to hoist.  Do not update SSA form but rewrite virtuals
2325         into loop closed SSA.
2326         (find_loop_guard): Adjust to skip already hoisted guards.  Do
2327         not mark virtuals for renaming or update SSA form.
2329 2016-08-17  Martin Liska  <mliska@suse.cz>
2331         * coverage.c (get_gcov_type): Replace GCOV_TYPE_SIZE with
2332         a LONG_LONG_TYPE_SIZE comparison.
2333         * gcov-io.h: Remove macro definitions.
2334         * tree-profile.c (gimple_gen_edge_profiler): Replace usage
2335         of GCOV_TYPE_ATOMIC_FETCH_ADD with a LONG_LONG_TYPE_SIZE
2336         comparison.
2338 2016-08-16  Jakub Jelinek  <jakub@redhat.com>
2340         * config/i386/i386.c (enum ix86_builtins): Reorder enumerators, so
2341         that builtins not mentioned in bdesc_* arrays come first, then
2342         the ones mentioned in bdesc_* arrays in the order they appear in
2343         the arrays in between IX86_BUILTIN__BDESC_*_FIRST and
2344         IX86_BUILTIN__BDESC_*_LAST enumerator.
2345         (bdesc_mpx): Fix up a comment typo.
2346         (bdesc_multi_arg): Remove __builtin_ia32_vpcomne[bwdq] and
2347         __builtin_ia32_vpcomneu[bwdq] builtins.
2348         (BDESC_VERIFY, BDESC_VERIFYS): Define.
2349         (ix86_init_mmx_sse_builtins, ix86_init_mpx_builtins): Verify
2350         enum ix86_builtins ordering.
2351         (ix86_expand_builtin): Use enum ix86_builtins ordering assumption
2352         for direct bdesc_* array member access instead of searching all the
2353         arrays until an fcode match is found.
2355 2016-08-16  Uros Bizjak  <ubizjak@gmail.com>
2357         * config/i386/i386.md (*ashl<mode>3_mask): Rewrite define_insn
2358         pattern as define_insn_and_split.  Split insn before reload to
2359         ashl<mode>3_1.
2360         (*<shift_insn><mode>3_mask): Ditto.  Split insn before reload to
2361         <shift_insn><mode>3_1.
2362         (*<rotate_insn><mode>3_mask): Ditto.  Split insn before reload to
2363         <rotate_insn><mode>3_1.
2365 2016-08-16  David Malcolm  <dmalcolm@redhat.com>
2367         PR c/72857
2368         * input.c (get_source_range_for_substring): Rename to...
2369         (get_source_location_for_substring): ...this, adding param
2370         "caret_idx", and converting output param from source_range * to
2371         location_t *.
2372         (get_source_range_for_char): New function.
2373         (get_num_source_ranges_for_substring): Update comment to reflect
2374         above renaming.
2375         (assert_char_at_range): Update to use get_source_range_for_char
2376         rather than get_source_range_for_substring.
2377         (test_lexer_string_locations_concatenation_2): Likewise.
2378         * substring-locations.h (get_source_range_for_substring): Rename
2379         to...
2380         (get_source_location_for_substring): ...this, and adding param
2381         "caret_idx", and converting output param from source_range * to
2382         location_t *.
2384 2016-08-16  David Malcolm  <dmalcolm@redhat.com>
2386         * input.c (class selftest::temp_source_file): Move to
2387         selftest.h.
2388         (selftest::temp_source_file::temp_source_file): Move to
2389         selftest.c.
2390         (selftest::temp_source_file::~temp_source_file): Likewise.
2391         * selftest.c (selftest::temp_source_file::temp_source_file): Move
2392         here from input.c.
2393         (selftest::temp_source_file::~temp_source_file): Likewise.
2394         * selftest.h (class selftest::temp_source_file): Move here from
2395         input.c
2397 2016-08-16  Jakub Jelinek  <jakub@redhat.com>
2399         PR target/71910
2400         * tree-cfg.c (execute_fixup_cfg): Add node variable, use it.  Before
2401         inlining, add cgraph edge for the added __builtin_unreachable call.
2403         PR middle-end/67485
2404         * expmed.c (expand_mult_const): Change val_so_far's type to UHWI,
2405         only cast it to SHWI for the final comparison.
2407 2016-08-16  Martin Liska  <mliska@suse.cz>
2409         PR gcov-profile/36412
2410         * doc/gcov.texi: Document --hash-filenames(-x).
2411         * gcov.c (print_usage): Add the option.
2412         (process_args): Process the option, sort options alphabetically.
2413         (md5sum_to_hex): New function.
2414         (make_gcov_file_name): Do the md5sum and append it to a
2415         filename.
2417 2016-08-16  Bin Cheng  <bin.cheng@arm.com>
2419         PR tree-optimization/69848
2420         * config/aarch64/aarch64-simd.md (vcond<mode><mode>): Invert NE
2421         and swtich operands to avoid additional NOT instruction.
2422         (vcond<v_cmp_mixed><mode>): Ditto.
2423         (vcondu<mode><mode>, vcondu<mode><v_cmp_mixed>): Ditto.
2425 2016-08-16  Eric Botcazou  <ebotcazou@adacore.com>
2427         * doc/install.texi (*-*-solaris2*): Adjust latest change.
2429 2016-08-16  Richard Biener  <rguenther@suse.de>
2431         PR tree-optimization/76783
2432         * tree-ssa-propagate.c (ssa_prop_init): Use RPO order.  Clear
2433         BB visited flags at start.
2435 2016-08-16  Bin Cheng  <bin.cheng@arm.com>
2437         PR tree-optimization/72817
2438         PR tree-optimization/73450
2439         * tree-ssa-loop-niter.c (number_of_iterations_ne): Check
2440         multiple_of_p for adjusted IV.base.
2442 2016-08-15  Uros Bizjak  <ubizjak@gmail.com>
2444         PR target/72867
2445         * config/i386/sse.md (<code><mode>3<mask_name><round_saeonly_name>):
2446         Emit ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>
2447         for !flag_finite_math_only or flag_signed_zeros.
2448         (*<code><mode>3<mask_name><round_saeonly_name>): Rename from
2449         *<code><mode>3_finite<mask_name><round_saeonly_name>.  Do not
2450         depend on flag_finite_math_only.
2451         (ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
2452         New insn pattern.
2453         (*<code><mode>3<mask_name><round_saeonly_name>): Remove.
2454         (*ieee_smin<mode>3): Ditto.
2455         (*ieee_smax<mode>3): Ditto.
2456         * config/i386/mmx.md (mmx_<code>v2sf3): Emit
2457         mmx_ieee_<ieee_maxmin>v2sf3 for !flag_finite_math_only or
2458         flag_signed_zeros.
2459         (*mmx_<code>v2sf3): Rename from *mmx_<code>v2sf3_finite.  Do not
2460         depend on flag_finite_math_only.
2461         (mmx_ieee_<ieee_maxmin>v2sf3): New insn pattern.
2462         (*mmx_<code>v2sf3): Remove.
2463         * config/i386/subst.md (round_saeonly_mask_arg3): New subst attribute.
2464         * config/i386/i386.c (ix86_expand_sse_fp_mimnax): Check
2465         flag_signed_zeros instead of !flag_unsafe_math_optimizations.
2467 2016-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
2469         PR rtl-optimization/73650
2470         * lra-constraints.c (simple_move_p): If the insn is multiple_sets
2471         it is not a simple move.
2473 2016-08-15  Martin Liska  <mliska@suse.cz>
2475         PR driver/72765
2476         * gcc.c (do_spec_1): Call save_string with the right size.
2477         (save_string): Do an assert about string we copy.
2479 2016-08-15  Richard Biener  <rguenther@suse.de>
2481         * ree.c (rest_of_handle_ree): Remove redundant timevar push/pop.
2482         * config/i386/i386.c (pass_data_insert_vzeroupper): Account to
2483         TV_MACH_DEP.
2484         (pass_data_stv): Likewise.
2486 2016-08-15  Richard Biener  <rguenther@suse.de>
2488         PR tree-optimization/73434
2489         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Preserve
2490         TBAA info on the base when forwarding a non-invariant address.
2492 2016-08-15  Jakub Jelinek  <jakub@redhat.com>
2494         * dwarf2out.c (struct checksum_attributes): Add
2495         at_string_length_bit_size and at_string_length_byte_size fields.
2496         (collect_checksum_attributes): Handle DW_AT_string_length_bit_size
2497         and DW_AT_string_length_byte_size.
2498         (die_checksum_ordered): Handle at_string_length_bit_size and
2499         at_string_length_byte_size.
2500         (gen_array_type_die): For dwarf_version >= 5 emit
2501         DW_AT_string_length_byte_size instead of DW_AT_byte_size.
2502         (adjust_string_types): For dwarf_version >= 5 remove
2503         DW_AT_string_length_byte_size instead of DW_AT_byte_size.
2504         (resolve_addr): Likewise.
2506         PR debug/71906
2507         * dwarf2out.c (string_types): New variable.
2508         (gen_array_type_die): Change early_dwarf handling of
2509         DW_AT_string_length, create DW_OP_call4 referencing the
2510         length var temporarily.  Handle parameters that are pointers
2511         to string length.
2512         (adjust_string_types): New function.
2513         (gen_subprogram_die): Temporarily set string_types to local var,
2514         call adjust_string_types if needed.
2515         (non_dwarf_expression, copy_deref_exprloc, optimize_string_length):
2516         New functions.
2517         (resolve_addr): Adjust DW_AT_string_length if it is DW_OP_call4.
2519 2016-08-15  Eric Botcazou  <ebotcazou@adacore.com>
2521         * doc/install.texi (*-*-solaris2*): Fix version number and document
2522         requirement on GNU make for building libjava with the Solaris linker.
2524 2016-08-15  Martin Liska  <mliska@suse.cz>
2525             Jakub Jelinek  <jakub@redhat.com>
2527         PR tree-optimization/72824
2528         * tree-loop-distribution.c (const_with_all_bytes_same)
2529         <case VECTOR_CST>: Fix a typo.
2531 2016-08-14  Uros Bizjak  <ubizjak@gmail.com>
2533         PR target/76342
2534         * config/i386/avx512fintrin.h (_mm512_undefined_epi32):
2535         Renamed from _mm512_undefined_si512.
2536         (_mm_undefined_si512): New definition.
2538 2016-08-13  Richard Biener  <rguenther@suse.de>
2540         * tree-ssa-forwprop.c (pass_forwprop::execute): Propagate
2541         into PHIs and update the lattice for its def.
2543 2016-08-12  Jakub Jelinek  <jakub@redhat.com>
2545         PR c/71512
2546         * ubsan.c (instrument_si_overflow): Pass true instead of false
2547         to gsi_replace.
2548         (pass_ubsan::execute): Call gimple_purge_dead_eh_edges at the end
2549         of bbs.  Return TODO_cleanup_cfg if any returned true.
2551 2016-08-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2553         * config/rs6000/vsx.md (vsx_concat_<mode>): Add support for the
2554         ISA 3.0 MTVSRDD instruction.
2555         (vsx_splat_<mode>): Change cpu type of MTVSRDD instruction to
2556         vecperm.
2558 2016-08-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2560         PR tree-optimization/71083
2561         * tree-predcom.c (ref_at_iteration): Use a COMPONENT_REF for the
2562         bitfield access when possible.
2564 2016-08-12  Patrick Palka  <ppalka@gcc.gnu.org>
2566         PR middle-end/71654
2567         * match.pd ((T)A CMP (T)B -> A CMP B): Allow (T)A to be a
2568         sign-changing cast from a shorter unsigned type to a wider
2569         signed type.
2571 2016-08-12  Jakub Jelinek  <jakub@redhat.com>
2573         * config/i386/sse.md (avx512dq_vextract<shuffletype>64x2_1_maskm,
2574         vec_extract_hi_<mode>_mask, vec_extract_lo_<mode>_mask,
2575         vec_extract_hi_<mode>_mask): Use Yk constraint instead of k.
2577 2016-08-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2579         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
2580         Correct costs for vec_construct.
2582 2016-08-12  Bin Cheng  <bin.cheng@arm.com>
2584         PR tree-optimization/69848
2585         * tree-vectorizer.h (enum vect_def_type): New condition reduction
2586         type CONST_COND_REDUCTION.
2587         * tree-vect-loop.c (vectorizable_reduction): Support new condition
2588         reudction type CONST_COND_REDUCTION.
2590 2016-08-12  Richard Biener  <rguenther@suse.de>
2592         PR tree-optimization/57326
2593         * tree-ssa-pre.c (fully_constant_expression): Handle simplification
2594         returning an SSA name.
2595         (phi_translate_1): When fully_constant_expression returns a NAME
2596         make sure we have a leader for it.
2598 2016-08-12  Martin Liska  <mliska@suse.cz>
2599             Adam Fineman  <afineman@afineman.com>
2601         * gcov.c (process_file): Create .gcov file when .gcda
2602         file is missing.
2604 2016-08-12  Marek Polacek  <polacek@redhat.com>
2606         PR c/7652
2607         * alias.c (find_base_value): Adjust fall through comment.
2608         * cfgexpand.c (expand_debug_expr): Likewise.
2609         * combine.c (find_split_point): Likewise.
2610         (expand_compound_operation): Likewise.  Add FALLTHRU.
2611         (make_compound_operation): Adjust fall through comment.
2612         (canon_reg_for_combine): Add FALLTHRU.
2613         (force_to_mode): Adjust fall through comment.
2614         (simplify_shift_const_1): Likewise.
2615         (simplify_comparison): Likewise.
2616         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Add
2617         FALLTHRU.
2618         * config/aarch64/predicates.md: Likewise.
2619         * config/i386/i386.c (function_arg_advance_32): Likewise.
2620         (ix86_gimplify_va_arg): Likewise.
2621         (print_reg): Likewise.
2622         (ix86_print_operand): Likewise.
2623         (ix86_build_const_vector): Likewise.
2624         (ix86_expand_branch): Likewise.
2625         (ix86_sched_init_global): Adjust fall through comment.
2626         (ix86_expand_args_builtin): Add FALLTHRU.
2627         (ix86_expand_builtin): Likewise.
2628         (ix86_expand_vector_init_one_var): Likewise.
2629         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2630         (rs6000_adjust_cost): Likewise.
2631         (insn_must_be_first_in_group): Likewise.
2632         * config/rs6000/rs6000.md: Likewise.  Adjust fall through comment.
2633         * dbxout.c (dbxout_symbol): Adjust fall through comment.
2634         * df-scan.c (df_uses_record): Likewise.
2635         * dojump.c (do_jump): Add FALLTHRU.
2636         * dwarf2out.c (mem_loc_descriptor): Likewise.  Adjust fall through
2637         comment.
2638         (resolve_args_picking_1): Adjust fall through comment.
2639         (loc_list_from_tree_1): Likewise.
2640         * expmed.c (make_tree): Likewise.
2641         * expr.c (expand_expr_real_2): Add FALLTHRU.
2642         (expand_expr_real_1): Likewise.  Adjust fall through comment.
2643         * fold-const.c (const_binop): Adjust fall through comment.
2644         (fold_truth_not_expr): Likewise.
2645         (fold_cond_expr_with_comparison): Add FALLTHRU.
2646         (fold_binary_loc): Likewise.
2647         (contains_label_1): Adjust fall through comment.
2648         (multiple_of_p): Likewise.
2649         * gcov-tool.c (process_args): Add FALLTHRU.
2650         * genattrtab.c (check_attr_test): Likewise.
2651         (write_test_expr): Likewise.
2652         * genconfig.c (walk_insn_part): Likewise.
2653         * genpreds.c (validate_exp): Adjust fall through comment.
2654         (needs_variable): Likewise.
2655         * gensupport.c (get_alternatives_number): Add FALLTHRU.
2656         (subst_dup): Likewise.
2657         * gimple-pretty-print.c (dump_gimple_assign): Likewise.
2658         * gimplify.c (gimplify_addr_expr): Adjust fall through comment.
2659         (gimplify_scan_omp_clauses): Add FALLTHRU.
2660         (goa_stabilize_expr): Likewise.
2661         * graphite-isl-ast-to-gimple.c (substitute_ssa_name): Adjust fall
2662         through comment.
2663         * hsa-gen.c (get_address_from_value): Likewise.
2664         * ipa-icf.c (sem_function::hash_stmt): Likewise.
2665         * ira.c (ira_setup_alts): Add FALLTHRU.
2666         * lra-eliminations.c (lra_eliminate_regs_1): Adjust fall through
2667         comment.
2668         * lto-streamer-out.c (lto_output_tree_ref): Add FALLTHRU.
2669         * opts.c (common_handle_option): Likewise.
2670         * read-rtl.c (read_rtx_code): Likewise.
2671         * real.c (round_for_format): Likewise.
2672         * recog.c (asm_operand_ok): Likewise.
2673         * reginfo.c (reg_scan_mark_refs): Adjust fall through comment.
2674         * reload1.c (set_label_offsets): Likewise.
2675         (eliminate_regs_1): Likewise.
2676         (reload_reg_reaches_end_p): Likewise.
2677         * rtlanal.c (commutative_operand_precedence): Add FALLTHRU.
2678         (rtx_cost): Likewise.
2679         * sched-rgn.c (is_exception_free): Likewise.
2680         * simplify-rtx.c (simplify_rtx): Adjust fall through comment.
2681         * stor-layout.c (int_mode_for_mode): Likewise.
2682         * toplev.c (print_to_asm_out_file): Likewise.
2683         (print_to_stderr): Likewise.
2684         * tree-cfg.c (gimple_verify_flow_info): Likewise.
2685         * tree-chrec.c (chrec_fold_plus_1): Add FALLTHRU.
2686         (chrec_fold_multiply): Likewise.
2687         (evolution_function_is_invariant_rec_p): Likewise.
2688         (for_each_scev_op): Likewise.
2689         * tree-data-ref.c (siv_subscript_p): Likewise.
2690         (get_references_in_stmt): Likewise.
2691         * tree.c (find_placeholder_in_expr): Adjust fall through comment.
2692         (substitute_in_expr): Likewise.
2693         (type_cache_hasher::equal): Likewise.
2694         (walk_type_fields): Likewise.
2695         * var-tracking.c (adjust_mems): Add FALLTHRU.
2696         (set_dv_changed): Adjust fall through comment.
2697         * varasm.c (default_function_section): Add FALLTHRU.
2699 2016-08-12  Marek Polacek  <polacek@redhat.com>
2701         PR c/7652
2702         * tree-complex.c (expand_complex_division): Add missing break.
2704 2016-08-12  Richard Biener  <rguenther@suse.de>
2706         * passes.c (execute_todo): Do not push/pop TV_TODO.
2707         (execute_one_ipa_transform_pass): Move timevar push/pop TODO execution.
2708         (execute_one_pass): Likewise.
2709         * common.opt (ftime-report-details): New switch.
2710         * doc/invoke.texi (ftime-report-details): Document.
2711         * timevar.h (timer::print_row): Adjust signature.
2712         (timer::all_zero): New static helper.
2713         (timer::child_map_t): New typedef.
2714         (timer::time_var_def): Add children field.
2715         * timevar.c (timer::named_items::print): Adjust.
2716         (timer::~timer): Free timevar recorded children.
2717         (timer::pop_internal): When -ftime-report-details record
2718         time spent in sub-timevars.
2719         (timer::print_row): Adjust.
2720         (timer::print): Print sub-timevar stats, use all_zero.
2721         * timevar.def (TV_TODO): Remove.
2723 2016-08-12  Richard Biener  <rguenther@suse.de>
2725         PR tree-optimization/72851
2726         * tree-ssa-propagate.c: Include cfganal.h.  Rewrite block and stmt
2727         worklists to use bitmaps indexed in execution order.
2728         (executable_blocks, cfg_blocks_num, cfg_blocks_tail, cfg_blocks_head,
2729         bb_in_list, interesting_ssa_edges, varying_ssa_edges): Remove.
2730         (cfg_blocks): Make a bitmap.
2731         (bb_to_cfg_order, cfg_order_to_bb, ssa_edge_worklist, uid_to_stmt):
2732         New globals.
2733         (cfg_blocks_empty_p): Adjust.
2734         (cfg_blocks_add): Likewise.
2735         (cfg_blocks_get): Likewise.
2736         (add_ssa_edge): Likewise.
2737         (add_control_edge): Likewise.
2738         (simulate_stmt): Likewise.
2739         (process_ssa_edge_worklist): Likewise.
2740         (simulate_block): Likewise.
2741         (ssa_prop_init): Compute PRE order and stmt UIDs.
2742         (ssa_prop_fini): Adjust.
2743         (ssa_propagate): Adjust.
2745 2016-08-12  Richard Biener  <rguenther@suse.de>
2747         * tree-vrp.c (vrp_visit_phi_node): Allow a last iteration if
2748         the currently executable edges have fixed ranges.  Always
2749         go through update_value_range.
2751 2016-08-12  Alexandre Oliva  <aoliva@redhat.com>
2753         PR debug/63240
2754         * langhooks-def.h
2755         (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Const_tree-ify.
2756         (LANG_HOOKS_FUNCTION_DECL_DELETED_P): Likewise.
2757         (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Set default.
2758         (LANG_HOOKS_DECLS): Add it.
2759         * langhooks.h (struct lang_hooks_for_decls): Add
2760         function_decl_defaulted.  Const_tree-ify
2761         function_decl_explicit_p and function_decl_deleted_p.
2762         * dwarf2out.c (gen_subprogram_die): Add DW_AT_defaulted
2763         attribute.  Add DW_AT_deleted instead of DW_AT_GNU_deleted,
2764         also at strict DWARF v5.
2766         PR debug/55641
2767         * dwarf2out.c (decl_quals): Don't map TREE_READONLY to
2768         TYPE_QUAL_CONST in reference-typed decls.
2770         PR debug/49366
2771         * dwarf2out.c (loc_list_from_tree_1): Expand some CONSTRUCTORs
2772         in DW_OP_pieces, just enough to handle pointers to member
2773         functions.
2774         (gen_remaining_tmpl_value_param_die_attribute): Use a location
2775         expression on DWARFv5 if a constant value doesn't work.
2777 2016-08-11  David Malcolm  <dmalcolm@redhat.com>
2779         * selftest-run-tests.c (selftest::run_tests): Call selftest_c_tests.
2780         * selftest.c (selftest::test_assertions): New function.
2781         (selftest::selftest_c_tests): New function.
2782         * selftest.h (selftest::selftest_c_tests): New declaration.
2784 2016-08-11  Richard Biener  <rguenther@suse.de>
2785             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2787         PR rtl-optimization/72855
2788         * df-core.c (df_verify): Turn off DF_VERIFY_SCHEDULED at end.
2790 2016-08-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2792         PR target/72863
2793         * vsx.md (vsx_load_<mode>): For P8LE, emit swaps at expand time.
2794         (vsx_store_<mode>): Likewise.
2796 2015-08-11  H.J. Lu  <hongjiu.lu@intel.com>
2798         * config/i386/i386.c (timode_scalar_to_vector_candidate_p): Allow
2799         TImode CONST_WIDE_INT store.
2800         (timode_scalar_chain::convert_insn): Handle CONST_WIDE_INT store.
2802 2015-08-11  H.J. Lu  <hongjiu.lu@intel.com>
2804         * config/i386/i386.h (MOVE_MAX_PIECES): Use TImode in 64-bit
2805         mode if unaligned SSE load and store are optimal.
2807 2016-08-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2809         PR tree-optimization/71083
2810         * tree-predcom.c (ref_at_iteration): Correctly align the
2811         reference type.
2813 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2815         * config/s390/s390-builtin-types.def: Add INT128 types.
2816         * config/s390/s390-builtins.def: Add INT128 variants for the add
2817         sub low-level builtins dealing with TImode.
2818         * config/s390/s390.c (s390_expand_builtin): Allow mode conversions
2819         via subreg when expanding a builtin.
2820         * config/s390/s390.md: Remove UNSPEC_VEC_ADDC_U128,
2821         UNSPEC_VEC_SUB_U128, and UNSPEC_VEC_SUBC_U128 constants.
2822         Fix comment.
2823         * config/s390/vecintrin.h: Adjust builtin names accordingly.
2824         * config/s390/vx-builtins.md ("vec_add_u128"): Remove expander.
2825         ("vec_addc<mode>", "vec_addc_u128"): Merge to
2826         "vacc<bhfgq>_<mode>".
2827         ("vec_adde_u128"): Rename to "vacq". Change mode to TImode.
2828         ("vec_addec_u128"): Rename to "vacccq". Change mode to TImode.
2829         ("vec_subc<mode>", "vec_subc_u128"): Merge to
2830         "vscbi<bhfgq>_<mode>".
2831         ("vec_sube_u128"): Rename to "vsbiq". Change mode to TImode.
2832         ("vec_subec_u128"): Rename to "vsbcbiq". Change mode to TImode.
2834 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2836         * config/s390/s390-builtins.def: Mark last operand of s390_vlvg*
2838 2016-08-11  Bin Cheng  <bin.cheng@arm.com>
2840         * config/aarch64/aarch64-simd.md (vcond<mode><mode>): Delete
2841         unused declaration.
2842         (vcond<v_cmp_mixed><mode>): Ditto.
2843         (vcondu<mode><mode>, vcondu<mode><v_cmp_mixed>): Ditto.
2845 2016-08-11  Bin Cheng  <bin.cheng@arm.com>
2847         * config/aarch64/aarch64-simd.md (vec_cmp<mode><v_cmp_result>): Init
2848         variable explicitly, also assert on it before use.
2850 2016-08-11  Richard Biener  <rguenther@suse.de>
2852         PR tree-optimization/72772
2853         * cfgloopmanip.c (create_preheader): Use split_edge if there
2854         is a single loop entry, avoiding degenerate PHIs.
2856 2016-08-11  Richard Biener  <rguenther@suse.de>
2858         * tree-ssa-threadbackward.c (pass_data_thread_jumps): Remove
2859         unconditional TODO_cleanup_cfg.
2860         (pass_thread_jumps::execute): Initialize loops, perform a CFG
2861         cleanup only if we threaded a jump.
2863 2016-08-11  Alan Modra  <amodra@gmail.com>
2865         PR target/71680
2866         * lra-constraints.c (simplify_operand_subreg): Allow subreg
2867         mode for mem when SLOW_UNALIGNED_ACCESS if inner mode is also
2868         slow.  Emit two reloads for slow mem case, first loading in
2869         fast innermode, then converting to required mode.
2871 2016-08-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2873         * config/rs6000/altivec.h (vec_extract_exp): New macro.
2874         (vec_extract_sig): New macro.
2875         (vec_insert_exp): New macro.
2876         (vec_test_data_class): New macro.
2877         (scalar_extract_exp): New macro.
2878         (scalar_extract_sig): New macro.
2879         (scalar_insert_exp): New macro.
2880         (scalar_test_data_class): New macro.
2881         (scalar_test_neg): New macro.
2882         (scalar_cmp_exp_gt): New macro.
2883         (scalar_cmp_exp_lt): New macro.
2884         (scalar_cmp_exp_eq): New macro.
2885         (scalar_cmp_exp_unordered): New macro.
2886         * config/rs6000/predicates.md (u7bit_cint_operand): New predicate
2887         to enforce constraint that operand is a 7-bit unsigned literal.
2888         * config/rs6000/rs6000-builtin.def (BU_P9V_64BIT_VSX_1): New macro
2889         for power9 built-ins.
2890         (BU_P9V_VSX_2): Likewise.
2891         (BU_P9V_64BIT_VSX_2): Likewise.
2892         (VSEEDP): Add scalar extract exponent support.
2893         (VSEESP): Add scalar extract signature support.
2894         (VSTDCNDP): Add scalar test negative support.
2895         (VSTDCNSP): Likewise.
2896         (VSIEDP): Add scalar insert exponent support.
2897         (VSCEDPGT): Add scalar compare exponent greater than support.
2898         (VSCEDPLT): Add scalar compare exponent less than support.
2899         (VSCEDPEQ): Add scalar compare exponent test-for-equality support.
2900         (VSCEDPUO): Add scalar compare exponent test-for-unordered support.
2901         (VSTDCDP): Add scalar test data class support.
2902         (VSTDCSP): Likewise.
2903         (VSEEDP): Add overload support for scalar extract exponent
2904         operation.
2905         (VSESDP): Add overload support for scalar extract signature
2906         operation.
2907         (VSTDCN): Add overload support for scalar test negative
2908         operation.
2909         (VSTDCNDP): Add overload support for scalar test negative
2910         operation.
2911         (VSTDCNSP): Add overload support for scalar test negative
2912         operation.
2913         (VSIEDP): Add overload support for scalar insert exponent
2914         operation.
2915         (VSTDC): Add overload support for scalar test data class
2916         operation.
2917         (VSTDCDP): Add overload support for scalar test data class
2918         operation.
2919         (VSTDCSP): Add overload support for scalar test data class
2920         opreation.
2921         (VSCEDPGT): Add overload support for scalar compare exponent
2922         greater than operation.
2923         (VSCEDPLT): Add overload support for scalar compare exponent
2924         less than operation.
2925         (VSCEDPEQ): Add overload support for scalar compare exponent
2926         test-for-equality operation.
2927         (VSCEDPUO): Add overload support for scalar compare exponent
2928         test-for-unordered operation.
2929         (VEEDP): Add vector extract exponent support.
2930         (VEESP): Likewise.
2931         (VESDP): Add vector extract significand support.
2932         (VESSP): Likewise.
2933         (VIEDP): Add vector insert exponent support.
2934         (VIESP): Likewise.
2935         (VTDCDP): Add vector test data class support.
2936         (VTDCSP): Likewise.
2937         (VES): Add overload support for vector extract significand operation.
2938         (VESDP): Likewise.
2939         (VESSP): Likewise
2940         (VEE): Add overload support for vector extract exponent operation.
2941         (VEEDP): Likewise.
2942         (VEESP): Likewise.
2943         (VTDC): Add overload support for vector test data class operation.
2944         (VTDCDP): Likewise.
2945         (VTDCSP): Likewise.
2946         (VIE): Add overload support for vector insert exponent operation.
2947         (VIEDP): Likewise.
2948         (VIESP): Likewise.
2949         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2950         overloaded binary floating point functions.
2951         (altivec_resolve_overloaded_builtin): Improve error messages to
2952         distinguish between functions not supported in the current
2953         compiler configuration and functions that were invoked with an
2954         invalid parameter combination, and include the built-in function
2955         name in both error messages.
2956         * config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_name):
2957         New prototype.
2958         * config/rs6000/rs6000.c (rs6000_overloaded_builtin_name): New
2959         function.
2960         (rs6000_expand_binop_builtin): Add check to enforce that argument
2961         2 of the test data class operations is a 7-bit unsigned literal.
2962         (rs6000_invalid_builtin): Add code to issue an error message if a
2963         built-in function that requires the power9_vector and -m32
2964         command-line options is compiled without these options.
2965         * config/rs6000/vsx.md (UNSPEC_VSX_SXEXPDP): New value.
2966         (UNSPEC_VSX_SXSIGDP): New value.
2967         (UNSPEC_VSX_SXSIGPDP): New value.
2968         (UNSPEC_VSX_SIEXPDP): New value.
2969         (UNSPEC_VSX_SCMPEXPDP): New value.
2970         (UNSPEC_VSX_STSTDC): New value.
2971         (UNSPEC_VSX_VXEXP): New value.
2972         (UNSPEC_VSX_VXSIG): New value.
2973         (UNSPEC_VSX_VIEXP): New value.
2974         (UNSPEC_VSX_VTSTDC): New value.
2975         (xsxexpdp): New insn for scalar extract exponent.
2976         (xsxsigdp): New insn for scalar extract significand.
2977         (xsiexpdp): New insn for scalar insert exponent.
2978         (xscmpexpdp_<code>): New expansion for scalar compare exponents.
2979         (*xscmpexpdp): New insn for scalar compare exponents.
2980         (xststdc<Fvsx): New expansion for both single- and
2981         double-precision scalar test data class operations.
2982         (xststdcneg<Fvsx>): New expansion for both single- and
2983         double-precision scalar test for negative value operations.
2984         (*xststdc<Fvsx>): New insn for scalar test data class
2985         operation.
2986         (xvxexp<VSs>): New insn for single- and double-precision
2987         vector extract exponent operation.
2988         (xvxsig<VSs>): New insn for single- and double-precision
2989         vector extract significand operation.
2990         (xviexp<VSs>): New insn for single- and double-precision
2991         vector insert exponent operation.
2992         (xvtstdc<VSs>): New insn for single- and double-precision
2993         vector test data class operation.
2994         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2995         built-in functions to represent the Power9 binary floating-point
2996         support instructions.
2998 2016-08-10  bin cheng  <bin.cheng@arm.com>
3000         * doc/sourcebuild.texi (@item vect_cond_mixed): New item.
3002 2016-08-10  Alan Lawrence  <alan.lawrence@arm.com>
3003             Renlin Li  <renlin.li@arm.com>
3004             Bin Cheng  <bin.cheng@arm.com>
3006         * config/aarch64/iterators.md (V_cmp_mixed, v_cmp_mixed): New.
3007         * config/aarch64/aarch64-simd.md (<su><maxmin>v2di3): Call
3008         gen_vcondv2div2di instead of gen_aarch64_vcond_internalv2div2di.
3009         (aarch64_vcond_internal<mode><mode>): Delete pattern.
3010         (aarch64_vcond_internal<VDQF_COND:mode><VDQF:mode>): Ditto.
3011         (vcond<v_cmp_result><mode>): Ditto.
3012         (vcond<mode><mode>): Re-implement using vec_cmp and vcond_mask.
3013         (vcondu<mode><mode>): Ditto.
3014         (vcond<v_cmp_mixed><mode>): New pattern.
3015         (vcondu<mode><v_cmp_mixed>): New pattern.
3016         (aarch64_cmtst<mode>): Revise comment using aarch64_vcond instead
3017         of aarch64_vcond_internal.
3019 2016-08-10  Alan Lawrence  <alan.lawrence@arm.com>
3020             Renlin Li  <renlin.li@arm.com>
3021             Bin Cheng  <bin.cheng@arm.com>
3023         * config/aarch64/aarch64-simd.md (vec_cmp<mode><mode>): New pattern.
3024         (vec_cmp<mode><v_cmp_result>): New pattern.
3025         (vec_cmpu<mode><mode>): New pattern.
3026         (vcond_mask_<mode><v_cmp_result>): New pattern.
3028 2016-08-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
3030         PR tree-optimization/71734
3031         * tree-ssa-loop-im.c (ref_indep_loop_p): Add new argument
3032         REF_LOOP, invoke ref_indep_loop_p_1.
3033         (outermost_indep_loop): Pass LOOP argumnet where REF was defined
3034         to ref_indep_loop_p.
3035         (ref_indep_loop_p_1): Fix commentary, add argument REF_LOOP,
3036         combine it with ref_indep_lopp_p_2, update SAFELEN if only REF
3037         is inside LOOP, do not cache dpendence value for loops with
3038         non-zero SAFELEN.
3039         (ref_indep_loop_p_2): Delete function.
3040         (can_sm_ref_p): Pass LOOP as additional argument to
3041         ref_indep_loop_p.
3043 2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
3045         PR target/72853
3046         * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
3047         being an offsettable address.
3049 2016-08-10  Martin Liska  <mliska@suse.cz>
3051         PR gcov-profile/58306
3052         * tree-profile.c (gimple_init_edge_profiler): Create conditionally
3053         atomic variants of profile update functions.
3055 2016-08-10  Martin Liska  <mliska@suse.cz>
3057         Cherry picked (and modified) from google-4_7 branch
3058         2012-12-26  Rong Xu  <xur@google.com>
3059         * common.opt (fprofile-update): Add new flag.
3060         * coretypes.h: Define enum profile_update.
3061         * doc/invoke.texi: Document -fprofile-update.
3062         * gcov-io.h: Declare GCOV_TYPE_ATOMIC_FETCH_ADD and
3063         GCOV_TYPE_ATOMIC_FETCH_ADD_FN.
3064         * tree-profile.c (gimple_init_edge_profiler): Generate
3065         also atomic profiler update.
3066         (gimple_gen_edge_profiler): Likewise.
3068 2016-08-10  David Malcolm  <dmalcolm@redhat.com>
3070         * toplev.c (finalize): Set aux_info_file, asm_out_file, and
3071         stack_usage_file to NULL after fclose calls.
3073 2016-08-10  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3075         PR target/71873
3076         * reload.c (push_reload): Compute subreg_in_class for
3077         subregs of constants and plus expressions. Remove special
3078         handling of SYMBOL_REFs.
3080 2016-08-10  Alan Modra  <amodra@gmail.com>
3082         PR target/71680
3083         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return
3084         SImode for TARGET_E500_DOUBLE when given SImode.
3086 2016-08-09  David Wohlferd  <dw@LimeGreenSocks.com>
3088         * config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
3089         unused variable __O.
3091 2016-08-09  Martin Liska  <mliska@suse.cz>
3093         * doc/gcov.texi: Change _gcov_dump to __gcov_dump and
3094         _gcov_reset to __gcov_reset.
3095         * doc/gcov-tool.texi: Fix typo.
3097 2016-08-09  Martin Liska  <mliska@suse.cz>
3099         * value-prof.c (gimple_divmod_values_to_profile): Do not
3100         instrument MOD histogram if a value is not a SSA name.
3102 2016-08-09  Martin Liska  <mliska@suse.cz>
3104         * value-prof.c (dump_histogram_value): Swap pow2 and non-pow2
3105         values.
3107 2016-08-09  Renlin Li  <renlin.li@arm.com>
3109         PR middle-end/64971
3110         * calls.c (prepare_call_address): Convert funexp to Pmode when
3111         necessary.
3112         * config/aarch64/aarch64.md (sibcall): Remove fix for PR 64971.
3113         (sibcall_value): Likewise.
3115 2016-08-09  Marek Polacek  <polacek@redhat.com>
3117         PR c/7652
3118         * cselib.c (cselib_expand_value_rtx_1): Add return.
3119         * gengtype.c (dbgprint_count_type_at): Likewise.
3120         * hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Likewise.
3121         * reg-stack.c (get_true_reg): Restructure to avoid fallthrough warning.
3123 2016-08-09  Martin Jambor  <mjambor@suse.cz>
3125         PR ipa/71981
3126         * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
3127         if instance is a MEM_REF.
3129 2016-08-09  Uros Bizjak  <ubizjak@gmail.com>
3131         PR target/72843
3132         * config/i386/i386.md (*movtf_internal): Use
3133         lra_in_progress || reload_completed instead of !can_create_pseudo_p
3134         in the insn constraint.
3135         (*movxf_internal): Ditto.
3136         (*movdf_internal): Ditto.
3137         (*movsf_internal): Ditto.
3139 2016-08-09  Bin Cheng  <bin.cheng@arm.com>
3141         PR tree-optimization/72772
3142         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
3143         for expanded base.
3145 2016-08-09  Bin Cheng  <bin.cheng@arm.com>
3147         PR tree-optimization/72772
3148         * tree-ssa-loop-niter.h (simplify_using_initial_conditions): Delete
3149         parameter STOP.
3150         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Delete
3151         parameter STOP and update calls.  Move expand_simple_operations
3152         function call from here...
3153         (simplify_using_initial_conditions): ...to here.  Delete parameter
3154         STOP.
3155         (tree_simplify_using_condition): Delete parameter STOP.
3156         * tree-scalar-evolution.c (simple_iv_with_niters): Update call to
3157         simplify_using_initial_conditions.
3159 2016-08-09  Matthew Fortune  <matthew.fortune@imgtec.com>
3161         PR c/65345
3162         * config/mips/mips.c (mips_atomic_assign_expand_fenv):
3163         Use create_tmp_var_raw instead of create_tmp_var.
3165 2016-08-09  Richard Biener  <rguenther@suse.de>
3167         * tree-ssa-threadbackward.c (profitable_jump_thread_path):
3168         Treat same SSA names related.
3170 2016-08-09  Jakub Jelinek  <jakub@redhat.com>
3172         PR tree-optimization/72824
3173         * tree-loop-distribution.c (const_with_all_bytes_same): Verify
3174         real_zerop is not negative.
3176 2016-08-09  Richard Biener  <rguenther@suse.de>
3178         PR tree-optimization/71802
3179         * tree-cfgcleanup.c (cleanup_tree_cfg_bb): Make sure to catch
3180         all merge opportunities with the predecessor.
3182 2016-08-09  Richard Biener  <rguenther@suse.de>
3184         PR ipa/68273
3185         * ipa-prop.c (ipa_modify_formal_parameters): Build
3186         parameter types with natural alignment also for the
3187         over-aligned case.
3189 2016-08-08  Andi Kleen  <ak@linux.intel.com>
3191         * tree-vrp.c (get_single_symbol): Always initialize inv and neg.
3193 2016-08-08  David Malcolm  <dmalcolm@redhat.com>
3195         PR c/64955
3196         * langhooks-def.h (LANG_HOOKS_RUN_LANG_SELFTESTS): New default
3197         do-nothing langhook.
3198         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_RUN_LANG_SELFTESTS.
3199         * langhooks.h (struct lang_hooks): Add run_lang_selftests.
3200         * selftest-run-tests.c: Include "tree.h" and "langhooks.h".
3201         (selftest::run_tests): Call lang_hooks.run_lang_selftests.
3203 2016-08-08  David Malcolm  <dmalcolm@redhat.com>
3205         PR bootstrap/72844
3206         * input.c: Ensure that HAVE_ICONV is defined.
3208 2016-08-08  Jakub Jelinek  <jakub@redhat.com>
3210         PR middle-end/72781
3211         * omp-low.c (lower_lastprivate_clauses): Set TREE_NO_WARNING on the
3212         private vars for lastprivate and for linear iterator.
3214         PR middle-end/68762
3215         * omp-simd-clone.c: Include varasm.h.
3216         (simd_clone_create): Copy over DECL_COMDAT, DECL_WEAK, DECL_EXTERNAL,
3217         DECL_VISIBILITY, DECL_VISIBILITY_SPECIFIED, DECL_DLLIMPORT_P and for
3218         DECL_ONE_ONLY call make_decl_one_only.  Fix up spelling in comment and
3219         update function name.
3221 2016-07-29  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3223         * config/avr/driver-avr.c (specfiles_doc_url): Remove.
3224         (avr_diagnose_devicespecs_error): Remove.
3225         (avr_devicespecs_file): Remove composing absolute path for specfile
3226         and its verbose info. Remove conditions to check specs-file,
3228 2016-08-08  Jakub Jelinek  <jakub@redhat.com>
3230         PR rtl-optimization/72821
3231         * lra-spills.c (regno_in_use_p): Don't use BLOCK_FOR_INSN on barriers,
3232         just return false for them.
3234 2016-08-08  Alan Modra  <amodra@gmail.com>
3236         PR target/72771
3237         * config/rs6000/rs6000.c (toc_relative_expr_p): Allow (lo_sum (high))
3238         toc refs created during reload.  Update function comment.
3240 2016-08-08  Alan Modra  <amodra@gmail.com>
3242         PR target/72802
3243         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Sort
3244         alternatives.  Put loads first, then stores, and reg/reg moves
3245         within same class later.  Delete attr length.
3247 2016-08-08  Alan Modra  <amodra@gmail.com>
3249         PR target/72802
3250         * config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
3251         (mem_operand_ds_form): New predicate.
3252         * config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
3253         * config/rs6000/constraints.md (wY): Use mem_operand_df_form.
3254         * config/rs6000/predicates.md (offsettable_mem_14bit_operand): Delete.
3255         * config/rs6000/rs6000.md (f32_lm2, f32_sm2): Use wY for SF.
3256         (extendsfdf2_fpr): Replace o constraint with wY.
3258 2016-08-07  Jan Hubicka  <hubicka@ucw.cz>
3260         * tree-ssa-threadbackward.c: Include tree-inline.h
3261         (profitable_jump_thread_path): Use estimate_num_insns to estimate
3262         size of copied block; for cold paths reduce duplication.
3263         (find_jump_threads_backwards): Remove redundant tests.
3264         (pass_thread_jumps::gate): Enable for -Os.
3266 2016-08-07  Jakub Jelinek  <jakub@redhat.com>
3268         PR c/72816
3269         * stor-layout.c (layout_decl): Fix up formatting.
3270         (relayout_decl): Allow DECL to be FIELD_DECL.
3272 2016-08-07  Alan Modra  <amodra@gmail.com>
3274         * config/rs6000/rs6000.md (fix_trunc<mode>si2): Fix mode of reg.
3276 2016-08-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
3278         * data-streamer-in.c (streamer_read_wide_int): New.
3279         (streamer_read_widest_int): Renamed function.
3280         * data-streamer-out.c (streamer_write_wide_int): New
3281         (streamer_write_widest_int): Renamed function.
3282         * lto-streamer-in.c (streamer_read_wi): Renamed and moved to
3283         data-stream-in.c.
3284         (input_cfg): Call renamed function.
3285         * lto-streamer-out.c (streamer_write_wi): Renamed and moved to
3286         data-stream-out.c.
3287         (output_cfg): Call renamed function.
3288         * data-streamer.h: Add declarations.
3290 2016-08-08  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3292         * tree-ssa-ccp.c (extend_mask): New param sgn.
3293         Remove ORing with wi::mask.
3294         (get_default_value): Adjust call to extend_mask to pass sign.
3295         (evaluate_stmt): Likewise.
3297 2016-08-06  Jakub Jelinek  <jakub@redhat.com>
3299         * gcov.c (handle_cycle): Use INTTYPE_MAXIMUM (int64_t) instead of
3300         INT64_MAX.
3302 2016-08-06  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3304         * match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Disable
3305         transform if operand's type is pointer to function or method.
3307 2016-08-05  Patrick Palka  <ppalka@gcc.gnu.org>
3309         PR tree-optimization/18046
3310         * tree-ssa-threadedge.c: Include cfganal.h.
3311         (simplify_control_statement_condition): If simplifying a
3312         GIMPLE_SWITCH, replace the index operand of the GIMPLE_SWITCH
3313         with the dominating ASSERT_EXPR before handing it off to VRP.
3314         Mention that a CASE_LABEL_EXPR may be returned.
3315         (thread_around_empty_blocks): Adjust to handle
3316         simplify_control_statement_condition() returning a
3317         CASE_LABEL_EXPR.
3318         (thread_through_normal_block): Likewise.
3319         * tree-vrp.c (simplify_stmt_for_jump_threading): Simplify
3320         a switch statement by trying to determine which case label
3321         will be taken.
3323 2016-08-05  Vladimir Makarov  <vmakarov@redhat.com>
3325         PR rtl-optimization/69847
3326         * lra-constraints.c (process_invariant_for_inheritance): Save
3327         pattern instead of src.
3328         (remove_inheritance_pseudos): Use the pattern.  Add assert.
3330 2016-08-05  David Malcolm  <dmalcolm@redhat.com>
3332         * input.c (string_concat::string_concat): New constructor.
3333         (string_concat_db::string_concat_db): New constructor.
3334         (string_concat_db::record_string_concatenation): New method.
3335         (string_concat_db::get_string_concatenation): New method.
3336         (string_concat_db::get_key_loc): New method.
3337         (class auto_cpp_string_vec): New class.
3338         (get_substring_ranges_for_loc): New function.
3339         (get_source_range_for_substring): New function.
3340         (get_num_source_ranges_for_substring): New function.
3341         (class selftest::lexer_test_options): New class.
3342         (struct selftest::lexer_test): New struct.
3343         (class selftest::ebcdic_execution_charset): New class.
3344         (selftest::ebcdic_execution_charset::s_singleton): New variable.
3345         (selftest::lexer_test::lexer_test): New constructor.
3346         (selftest::lexer_test::~lexer_test): New destructor.
3347         (selftest::lexer_test::get_token): New method.
3348         (selftest::assert_char_at_range): New function.
3349         (ASSERT_CHAR_AT_RANGE): New macro.
3350         (selftest::assert_num_substring_ranges): New function.
3351         (ASSERT_NUM_SUBSTRING_RANGES): New macro.
3352         (selftest::assert_has_no_substring_ranges): New function.
3353         (ASSERT_HAS_NO_SUBSTRING_RANGES): New macro.
3354         (selftest::test_lexer_string_locations_simple): New function.
3355         (selftest::test_lexer_string_locations_ebcdic): New function.
3356         (selftest::test_lexer_string_locations_hex): New function.
3357         (selftest::test_lexer_string_locations_oct): New function.
3358         (selftest::test_lexer_string_locations_letter_escape_1): New function.
3359         (selftest::test_lexer_string_locations_letter_escape_2): New function.
3360         (selftest::test_lexer_string_locations_ucn4): New function.
3361         (selftest::test_lexer_string_locations_ucn8): New function.
3362         (selftest::uint32_from_big_endian): New function.
3363         (selftest::test_lexer_string_locations_wide_string): New function.
3364         (selftest::uint16_from_big_endian): New function.
3365         (selftest::test_lexer_string_locations_string16): New function.
3366         (selftest::test_lexer_string_locations_string32): New function.
3367         (selftest::test_lexer_string_locations_u8): New function.
3368         (selftest::test_lexer_string_locations_utf8_source): New function.
3369         (selftest::test_lexer_string_locations_concatenation_1): New
3370         function.
3371         (selftest::test_lexer_string_locations_concatenation_2): New
3372         function.
3373         (selftest::test_lexer_string_locations_concatenation_3): New
3374         function.
3375         (selftest::test_lexer_string_locations_macro): New function.
3376         (selftest::test_lexer_string_locations_stringified_macro_argument):
3377         New function.
3378         (selftest::test_lexer_string_locations_non_string): New function.
3379         (selftest::test_lexer_string_locations_long_line): New function.
3380         (selftest::test_lexer_char_constants): New function.
3381         (selftest::input_c_tests): Call the new test functions once per
3382         case within the line_table test matrix.
3383         * input.h (struct string_concat): New struct.
3384         (struct location_hash): New struct.
3385         (class string_concat_db): New class.
3386         * substring-locations.h: New header.
3388 2016-08-05  Patrick Palka  <ppalka@gcc.gnu.org>
3390         PR tree-optimization/72810
3391         * tree-vrp.c (simplify_switch_using_ranges): Avoid changing
3392         the type of the case labels when truncating.
3394 2016-08-05  James Greenhalgh  <james.greenhalgh@arm.com>
3396         PR Target/72819
3397         * config/aarch64/aarch64.h (aarch64_fp16_type_node): Declare.
3398         (aarch64_fp16_ptr_type_node): Likewise.
3399         * config/aarch64/aarch64-simd-builtins.c
3400         (aarch64_fp16_ptr_type_node): Define.
3401         (aarch64_init_fp16_types): New, refactored out of...
3402         (aarch64_init_builtins): ...here, update to call
3403         aarch64_init_fp16_types.
3404         * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr): Handle
3405         HFmode.
3406         (aapcs_vfp_sub_candidate): Likewise.
3408 2016-08-05  Martin Liska  <mliska@suse.cz>
3409             Joshua Cranmer  <Pidgeot18@gmail.com>
3411         * gcov.c (line_t::has_block): New function.
3412         (enum loop_type): New enum.
3413         (handle_cycle): New function.
3414         (unblock): Likewise.
3415         (circuit): Likewise.
3416         (get_cycles_count): Likewise.
3417         (accumulate_line_counts): Use new loop detection algorithm.
3419 2016-08-05  Martin Liska  <mliska@suse.cz>
3421         * gcov.c (output_intermediate_file): Rename
3422         function_info::line_next to next_file_fn.
3423         (process_file): Likewise.
3424         (read_graph_file): Likewise.
3425         (accumulate_line_counts): Likewise.
3426         (output_lines): Likewise.
3428 2016-08-05  Richard Biener  <rguenther@suse.de>
3430         * tree-ssa-threadupdate.c (thread_block_1): Remove unnecessary
3431         restriction on threading to a loop header.
3433 2016-08-05  Richard Biener  <rguenther@suse.de>
3435         * tree-cfgcleanup.c (tree_forwarder_block_p): Use bb_loop_header_p.
3436         * cfghooks.c (force_nonfallthru): If we ended up splitting a latch
3437         adjust loop info accordingly.
3439 2016-08-05  Kugan Vivekanandarajah  <kuganv@linaro.org>
3441         * tree-vrp.c (extract_range_basic): Check cfun->after_inlining
3442         before folding call to __builtin_constant_p with parameters to false.
3444 2016-08-05  Alan Modra  <amodra@gmail.com>
3446         * config/rs6000/rs6000.c (rs6000_preferred_reload_class): Delete
3447         code accidentally committed 2016-05-02 providing class when given
3448         NO_REGS.
3450 2016-08-04  Patrick Palka  <ppalka@gcc.gnu.org>
3452         * tree-vrp.c (simplify_switch_using_ranges): Try to truncate
3453         the case label ranges that partially overlap with OP's value
3454         range.
3456 2016-08-04  Uros Bizjak  <ubizjak@gmail.com>
3458         PR target/72805
3459         * config/i386/avx512fintrin.h (_mm512_cmp_epi32_mask) [!__OPTIMIZE__]:
3460         Cast builtin function result to __mmask16 instead of __mmask8.
3461         (_mm512_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
3462         (_mm512_mask_cmp_epi32_mask) [!__OPTIMIZE__]: Ditto.
3463         (_mm512_mask_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
3465 2016-08-04  David Malcolm  <dmalcolm@redhat.com>
3467         * selftest.h (ASSERT_TRUE): Reimplement in terms of...
3468         (ASSERT_TRUE_AT): New macro.
3469         (ASSERT_FALSE): Reimplement in terms of...
3470         (ASSERT_FALSE_AT): New macro.
3471         (ASSERT_STREQ_AT): Fix typo in comment.
3473 2016-08-04  Patrick Palka  <ppalka@gcc.gnu.org>
3475         * gimple.c (preprocess_case_label_vec_for_gimple): When the case
3476         labels are exhaustive, designate the label with the widest
3477         range to be the default label.
3479 2016-08-04  Andrew Pinski  <apinski@cavium.com>
3481         * config/aarch64/aarch64.c (thunderx_vector_cost): New variable.
3482         (thunderx_tunings): Use thunderx_vector_cost instead of
3483         generic_vector_cost.
3485 2016-08-04  Martin Liska  <mliska@suse.cz>
3487         * gcov.c (main): Fix GNU coding style.
3488         (output_intermediate_file): Likewise.
3489         (process_file): Likewise.
3490         (generate_results): Likewise.
3491         (release_structures): Likewise.
3492         (create_file_names): Likewise.
3493         (find_source): Likewise.
3494         (read_graph_file): Likewise.
3495         (find_exception_blocks): Likewise.
3496         (canonicalize_name): Likewise.
3497         (make_gcov_file_name): Likewise.
3498         (mangle_name): Likewise.
3499         (accumulate_line_counts): Likewise.
3500         (output_branch_count): Likewise.
3501         (read_line): Likewise.
3503 2016-08-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3505         PR rtl-optimization/71779
3506         * emit-rtl.c (set_reg_attrs_from_value): Only propagate REG_POINTER,
3507         if the value was sign-extended according to POINTERS_EXTEND_UNSIGNED
3508         or if it was truncated.
3510         PR rtl-optimization/70903
3511         * cse.c (cse_insn): If DEST is a paradoxical SUBREG, don't record DEST.
3513 2016-08-04  Kugan Vivekanandarajah  <kuganv@linaro.org>
3515         * tree-inline.c (remap_ssa_name): Check for POINTER_TYPE_P before
3516         accessing SSA_NAME_PTR_INFO.
3518 2016-08-04  Georg-Johann Lay  <avr@gjlay.de>
3520         PR 70677
3521         * common/config/avr/avr-common.c (avr_option_optimization_table)
3522         [OPT_LEVELS_ALL]: Turn off -fcaller-saves.
3524 2016-08-04  Georg-Johann Lay  <avr@gjlay.de>
3526         PR 55181
3527         * config/avr/avr.md: New pattern to work around do_store_flag
3528         generating shift instructions for bit extractions.
3530 2016-08-04  Kugan Vivekanandarajah  <kuganv@linaro.org>
3532         * tree-vrp.c (set_value_range): Use vrp_equiv_obstack with
3533         BITMAP_ALLOC.
3534         (add_equivalence): Likewise.
3535         (get_value_range): Allocate value range with vrp_value_range_pool.
3536         (vrp_initialize): Initialize vrp_equiv_obstack for equiv allocation.
3537         (vrp_finalize): Relase vrp_equiv_obstack and vrp_value_range_pool.
3539 2016-08-03  Peter Bergner  <bergner@vnet.ibm.com>
3541         * config/rs6000/rs6000.c (rs6000_option_override_internal): Make LRA
3542         the default for the rs6000 port.
3544 2016-08-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3546         PR middle-end/71876
3547         * calls.c (special_function_p): Remove special handling of
3548         "setjmp_syscall", "qsetjmp", "longjmp", "siglongjmp" and the
3549         prefix "__x".  Recognize "savectx", "vfork" and "getcontext" only
3550         without prefix.  Remove potentially unsafe ECF_LEAF and ECF_NORETURN.
3552 2016-08-03  Vladimir Makarov  <vmakarov@redhat.com>
3554         PR middle-end/72778
3555         * lra-spills.c (regno_in_use_p): Check bb and regno modification.
3556         Don't stop on regular insns.
3558 2016-08-03  Nathan Sidwell  <nathan@codesourcery.com>
3560         * config/nvptx/nvptx.c (nvptx_declare_function_name): Round frame
3561         size to DImode boundary.
3562         (nvptx_propagate): Likewise.
3564 2016-08-03  Alan Modra  <amodra@gmail.com>
3566         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Make scalar
3567         float access depend on TARGET_EFFICIENT_UNALIGNED_VSX.
3568         * config/rs6000/rs6000.opt (-mefficient-unaligned-vsx): Renamed
3569         from -mefficient-unaligned-vector.  Note that this affects fp too.
3571 2016-08-03  Alan Modra  <amodra@gmail.com>
3573         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make unaligned mem
3574         cost more.
3576 2016-08-03  Alan Modra  <amodra@gmail.com>
3578         * config/rs6000/rs6000.md (fix_trunc<mode>si2): Force source operand
3579         to a reg.  Localize vars.
3581 2016-08-03  Alan Modra  <amodra@gmail.com>
3583         * config/rs6000/rs6000.opt: Remove negatives from help strings
3584         and comments.
3586 2016-08-03  Alan Modra  <amodra@gmail.com>
3588         * config/rs6000/rs6000.c (rs6000_secondary_reload_direct_move):
3589         Delete duplicated code.
3591 2016-08-02  Vladimir Makarov  <vmakarov@redhat.com>
3593         PR middle-end/72778
3594         * lra-spills.c (regno_in_use_p): New.
3595         (lra_final_code_change): Use it.
3597 2016-08-02  Vladimir Makarov  <vmakarov@redhat.com>
3599         PR rtl-optimization/69847
3600         * lra-int.h (struct lra-reg): Use restore_rtx instead of
3601         restore_regno.
3602         (lra_rtx_hash): New.
3603         * lra.c (initialize_lra_reg_info_element): Use restore_rtx instead
3604         of restore_regno.
3605         (lra_rtx_hash): Rename and move lra-remat.c::rtx_hash.
3606         * lra-remat.c (rtx_hash): Rename and Move to lra.c.
3607         * lra-spills.c (lra_final_code_change): Don't delete insn when the
3608         next insn is USE with the same reg as the current insn source.
3609         * lra-constraints.c (curr_insn_transform): Use restore_rtx instead
3610         of restore_regno.
3611         (lra_constraints_init): Call initiate_invariants.
3612         (lra_constraints_finish): Call finish_invariants.
3613         (struct invariant, invariant_t, invariant_ptr_t): New.
3614         (const_invariant_ptr_t, invariants, invariants_pool): New.
3615         (invariant_table, invariant_hash, invariant_eq_p): New.
3616         (insert_invariant, initiate_invariants, finish_invariants): New.
3617         (clear_invariants, invalid_invariant_regs): New.
3618         (inherit_reload_reg, split_reg, fix_bb_live_info): Use restore_rtx
3619         instead of restore_regno.
3620         (invariant_p, process_invariant_for_inheritance): New.
3621         (inherit_in_ebb): Implement invariant inheritance.
3622         (lra_inheritance): Initialize and finalize invalid_invariant_regs.
3623         (remove_inheritance_pseudos): Implement undoing invariant
3624         inheritance.
3625         (undo_optional_reloads, lra_undo_inheritance): Use restore_rtx
3626         instead of restore_regno.
3627         * lra-assigns.c (regno_live_length): New.
3628         (reload_pseudo_compare_func): Use regno_live_length.
3629         (assign_by_spills): Use restore_rtx instead of restore_regno.
3630         (lra_assign): Ditto.  Initiate regno_live_length.
3632 2016-02-08  James Greenhalgh  <james.greenhalgh@arm.com>
3634         * config/aarch64/arm_neon.h (vminnm_f64): Add back missing 'f' from
3635         __builtin_aarch64_fmindf.
3637 2016-08-02  Bin Cheng  <bin.cheng@arm.com>
3639         PR tree-optimization/34114
3640         * tree-ssa-loop-niter.c (number_of_iterations_ne): Prove no-overflow
3641         information for more control IVs.
3643 2016-08-02  Bin Cheng  <bin.cheng@arm.com>
3645         PR tree-optimization/34114
3646         * fold-const.c (multiple_of_p): Improve MULT_EXPR, PLUS_EXPR,
3647         PLUS_EXPR case.  Handle SSA_NAME case.
3649 2016-08-02  Tamar Christina  <tamar.christina@arm.com>
3651         * config/aarch64/aarch64-simd-builtins.def
3652         (__builtin_aarch64_fmindf): Change BUILTIN_VDQF to BUILTIN_VDQF_DF.
3653         (__builtin_aarch64_fmaxdf): Likewise.
3654         (__builtin_aarch64_smin_nandf): Likewise.
3655         (__builtin_aarch64_smax_nandf): Likewise.
3656         * config/aarch64/aarch64-simd.md (<fmaxmin><mode>3): Remove.
3657         * config/aarch64/aarch64.md (<fmaxmin><mode>3): Rename to...
3658         (<fmaxmin><mode>3): ...this.
3659         * config/aarch64/arm_neon.h (vmaxnm_f64): New.
3660         (vminnm_f64): Likewise.
3661         (vmin_f64): Likewise.
3662         (vmax_f64): Likewise.
3663         * config/aarch64/iterators.md (FMAXMIN): Merge with...
3664         (FMAXMIN_UNS): ...this.
3665         (fmaxmin): Merged with
3666         (fmaxmin_op): ...this...
3667         (maxmin_uns_op): ...in to this.
3669 2016-08-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
3671         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3672         Add support for vec_extract on vector float, vector int, vector
3673         short, and vector char vector types.
3674         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3675         vector float, vector int, vector short, and vector char
3676         optimizations on 64-bit ISA 2.07 systems for both constant and
3677         variable element numbers.
3678         (rs6000_split_vec_extract_var): Likewise.
3679         * config/rs6000/vsx.md (vsx_xscvspdp_scalar2): Allow SFmode to be
3680         Altivec registers on ISA 2.07 and above.
3681         (vsx_extract_v4sf): Delete alternative that hard coded element 0,
3682         which never was matched due to the split occuring before register
3683         allocation (and the code would not have worked on little endian
3684         systems if it did match).  Allow extracts to go to the Altivec
3685         registers if ISA 2.07 (power8).  Change from using "" around the
3686         C++ code to using {}'s.
3687         (vsx_extract_v4sf_<mode>_load): New insn to optimize vector float
3688         vec_extracts when the vector is in memory.
3689         (vsx_extract_v4sf_var): New insn to optimize vector float
3690         vec_extracts when the element number is variable on 64-bit ISA
3691         2.07 systems.
3692         (vsx_extract_<mode>, VSX_EXTRACT_I iterator): Add optimizations
3693         for 64-bit ISA 2.07 as well as ISA 3.0.
3694         (vsx_extract_<mode>_p9, VSX_EXTRACT_I iterator): Likewise.
3695         (vsx_extract_<mode>_p8, VSX_EXTRACT_I iterator): Likewise.
3696         (vsx_extract_<mode>_load, VSX_EXTRACT_I iterator): New insn to
3697         optimize vector int, vector short, and vector char vec_extracts
3698         when the vector is in memory.
3699         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): New insn to
3700         optimize vector int, vector short, and vector char vec_extracts
3701         when the element number is variable.
3703 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
3705         PR target/71948
3706         * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): Use a value that
3707         does not overlap with other symbol flags.
3709 2016-08-01  Wilco Dijkstra  <wdijkstr@arm.com>
3711         * config/aarch64/aarch64.h (aarch64_frame):
3712         Remove padding0 and hardfp_offset.  Add locals_offset,
3713         initial_adjust, callee_adjust, callee_offset and final_adjust.
3714         * config/aarch64/aarch64.c (aarch64_layout_frame):
3715         Remove unused padding0 and hardfp_offset initializations.
3716         Choose frame layout and set frame variables accordingly.
3717         Use INVALID_REGNUM instead of FIRST_PSEUDO_REGISTER.
3718         (aarch64_push_regs): Use INVALID_REGNUM, not FIRST_PSEUDO_REGISTER.
3719         (aarch64_pop_regs): Likewise.
3720         (aarch64_expand_prologue): Remove all decision code, just emit
3721         prolog according to frame variables.
3722         (aarch64_expand_epilogue): Remove all decision code, just emit
3723         epilog according to frame variables.
3724         (aarch64_initial_elimination_offset): Use offset to local/arg area.
3726 2015-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3728         PR target/72748
3729         * config/i386/i386.c (timode_scalar_chain::convert_insn): Call
3730         fix_debug_reg_uses after changing source register mode to
3731         V1TImode if source register is undefined.
3733 2015-08-01  Alan Hayward  <alan.hayward@arm.com>
3735         PR tree-optimization/71818
3736         * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Don't advance IVs
3737         with non invariant evolutions
3739 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
3741         PR target/72767
3742         * config/avr/avr.md (length) [branch]: Correct insn length
3743         attribute for forward branches.
3745 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
3747         * doc/extend.texi (AVR Built-in Functions): Document
3748         __builtin_avr_nops.
3749         * config/avr/builtins.def (NOPS): New.
3750         * config/avr/avr.c (avr_expand_nops): New static function.
3751         (avr_expand_builtin): Use it to handle AVR_BUILTIN_NOPS.
3753 2016-08-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3755         * config/aarch64/aarch64.c (aarch64_classify_address): Use DImode when
3756         performing aarch64_offset_7bit_signed_scaled_p check for TImode LDP/STP
3757         addresses.
3759 2016-08-01  Virendra Pathak  <virendra.pathak@broadcom.com>
3761         * config/aarch64/aarch64.c (vulcan_tunings): Update
3762         vulcan L1 cache_line_size.
3764 2016-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
3766         * config/rs6000/rs6000-protos.h (rs6000_adjust_vec_address): New
3767         function that takes a vector memory address, a hard register, an
3768         element number and a temporary base register, and recreates an
3769         address that points to the appropriate element within the vector.
3770         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Likewise.
3771         (rs6000_split_vec_extract_var): Add support for the target of a
3772         vec_extract with variable element number being a scalar memory
3773         location.
3774         (rtx_is_swappable_p): VLSO insns (UNSPEC_VSX_VSLOW) are not
3775         swappable.
3776         * config/rs6000/vsx.md (vsx_extract_<mode>_load): Replace
3777         vsx_extract_<mode>_load insn with a new insn that optimizes
3778         storing either element to a memory location, using scratch
3779         registers to pick apart the vector and reconstruct the address.
3780         (vsx_extract_<P:mode>_<VSX_D:mode>_load): Likewise.
3781         (vsx_extract_<mode>_store): Rework alternatives to more correctly
3782         support Altivec registers.  Add support for ISA 3.0 Altivec d-form
3783         store instruction.
3784         (vsx_extract_<mode>_var): Add support for extracting a variable
3785         element number from memory.
3787 2016-07-29  Georg-Johann Lay  <avr@gjlay.de>
3789         * config/avr/avr.c (avr_out_compare): Use const0_rtx instead of 0
3790         when testing for compares against constants of the form 0xabab.
3792 2016-07-29  Bin Cheng  <bin.cheng@arm.com>
3794         PR tree-optimization/57558
3795         * tree-vect-loop-manip.c (vect_create_cond_for_niters_checks): New
3796         function.
3797         (vect_loop_versioning): Support versioning with niter assumptions.
3798         * tree-vect-loop.c (tree-ssa-loop.h): Include header file.
3799         (vect_get_loop_niters): New parameter.  Reimplement to support
3800         assumptions in loop niter info.
3801         (vect_analyze_loop_form_1, vect_analyze_loop_form): Ditto.
3802         (new_loop_vec_info): Init LOOP_VINFO_NITERS_ASSUMPTIONS.
3803         (vect_estimate_min_profitable_iters): Use LOOP_REQUIRES_VERSIONING.
3804         Support loop versioning for niters.
3805         * tree-vectorizer.c (tree-ssa-loop-niter.h): Include header file.
3806         (vect_free_loop_info_assumptions): New function.
3807         (vectorize_loops): Free loop niter info for loops with flag
3808         LOOP_F_ASSUMPTIONS set if vectorization failed.
3809         * tree-vectorizer.h (struct _loop_vec_info): New field
3810         num_iters_assumptions.
3811         (LOOP_VINFO_NITERS_ASSUMPTIONS): New macro.
3812         (LOOP_REQUIRES_VERSIONING_FOR_NITERS): New macro.
3813         (LOOP_REQUIRES_VERSIONING): New macro.
3814         (vect_free_loop_info_assumptions): New decl.
3816 2016-07-29  Bin Cheng  <bin.cheng@arm.com>
3818         * cfgloop.h (struct loop): New field constraints.
3819         (LOOP_C_INFINITE, LOOP_C_FINITE): New macros.
3820         (loop_constraint_set, loop_constraint_clr, loop_constraint_set_p): New
3821         functions.
3822         * cfgloop.c (alloc_loop): Initialize new field.
3823         * cfgloopmanip.c (copy_loop_info): Copy constraints.
3824         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
3825         Adjust niter analysis wrto loop constraints.
3826         * doc/loop.texi (@node Number of iterations): Add description for loop
3827         constraints.
3829 2016-07-29  Marek Polacek  <polacek@redhat.com>
3831         PR c/7652
3832         * config/i386/i386.c (ix86_expand_args_builtin): Add break.
3833         (ix86_expand_round_builtin): Likewise.
3835 2016-07-29  Segher Boessenkool  <segher@kernel.crashing.org>
3836             Georg-Johann Lay  <avr@gjlay.de>
3838         PR rtl-optimization/71976
3839         * combine.c (get_last_value): Return 0 if the argument for which
3840         the function is called has a wider mode than the recorded value.
3842 2016-07-29  Marek Polacek  <polacek@redhat.com>
3844         PR c/7652
3845         * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
3846         (altivec_expand_st_builtin): Likewise.
3848 2016-07-29  Georg-Johann Lay  <avr@gjlay.de>
3850         * config/avr/avr.md (addqi3) [cc]: Revert glitch in insn attribute
3851         introduced in r238381.
3853 2016-07-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3855         PR middle-end/68217
3856         * tree-vrp.c (extract_range_from_binary_expr_1): In case of signed
3857         & sign-bit-CST, generate [-INF, 0] instead of [-INF, INF].
3859 2016-07-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
3861         * config/rs6000/rs6000-protos.h (rs6000_split_vec_extract_var):
3862         New declaration.
3863         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3864         Add support for vec_extract of vector double or vector long having
3865         a variable element number on 64-bit ISA 2.07 systems or newer.
3866         * config/rs6000/rs6000.c (rs6000_expand_vector_extract):
3867         Likewise.
3868         (rs6000_split_vec_extract_var): New function to split a
3869         vec_extract built-in function with variable element number.
3870         (rtx_is_swappable_p): Variable vec_extracts and shifts are not
3871         swappable.
3872         * config/rs6000/vsx.md (UNSPEC_VSX_VSLO): New unspec.
3873         (UNSPEC_VSX_EXTRACT): Likewise.
3874         (vsx_extract_<mode>, VSX_D iterator): Fix constraints to allow
3875         direct move instructions to be generated on 64-bit ISA 2.07
3876         systems and newer, and to take advantage of the ISA 3.0 MFVSRLD
3877         instruction.
3878         (vsx_vslo_<mode>): New insn to do VSLO on V2DFmode and V2DImode
3879         arguments for vec_extract variable element.
3880         (vsx_extract_<mode>_var, VSX_D iterator): New insn to support
3881         vec_extract with variable element on V2DFmode and V2DImode
3882         vectors.
3883         * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): Remove
3884         -mupper-regs-df requirement, since it isn't needed.
3885         (TARGET_DIRECT_MOVE_64BIT): New macro to say whether we can
3886         do direct moves on 64-bit systems, which allows optimization of
3887         vec_extract on 64-bit ISA 2.07 systems and newer.
3889 2016-07-28  Kristina Martsenko  <kristina.martsenko@arm.com>
3890 2016-07-28  Wilco Dijkstra  <wdijkstr@arm.com>
3892          * config/aarch64/aarch64.md
3893         (zero_extend<SHORT:mode><GPI:mode>2_aarch64): Change output
3894         statement and type.
3895         (<optab>qihi2_aarch64): Likewise, and split into two.
3896         (extendqihi2_aarch64): New.
3897         (zero_extendqihi2_aarch64): New.
3898         * config/aarch64/iterators.md (ldrxt): Remove.
3899         * config/aarch64/aarch64.c (aarch64_rtx_costs): Change cost of
3900         uxtb/uxth.
3902 2016-07-28  Kristina Martsenko  <kristina.martsenko@arm.com>
3904         * config/aarch64/aarch64.c (aarch64_rtx_costs): Fix cost of zero extend.
3906 2016-07-28  Wilco Dijkstra  <wdijkstr@arm.com>
3908         * config/aarch64/aarch64.c (aarch64_pushwb_pair_reg): Rename.
3909         (aarch64_push_reg): New function to push 1 or 2 registers.
3910         (aarch64_pop_reg): New function to pop 1 or 2 registers.
3911         (aarch64_expand_prologue): Use aarch64_push_regs.
3912         (aarch64_expand_epilogue): Use aarch64_pop_regs.
3914 2016-07-28  Yuri Rumyantsev  <ysrumyan@gmail.com>
3916         PR tree-optimization/71734
3917         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Pass value of safelen
3918         attribute instead of REF_LOOP and use it.
3919         (ref_indep_loop_p_2): Use SAFELEN argument instead of REF_LOOP and
3920         set it for Loops having non-zero safelen attribute.
3921         (ref_indep_loop_p): Pass zero as initial value for safelen.
3923 2016-07-28  Ilya Enkovich  <ilya.enkovich@intel.com>
3925         PR middle-end/72657
3926         PR target/72683
3927         * tree-chkp.c (chkp_retbnd_call_by_val): Check for instrumentation
3928         call using chkp_gimple_call_builtin_p.
3929         (chkp_copy_bounds_for_assign): Likewise.
3931 2016-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3933         * config/alpha/alpha.c (alpha_adjust_cost): Adjust.
3934         * config/arm/arm-protos.h (struct tune_params): Likewise.
3935         * config/arm/arm.c (xscale_sched_adjust_cost): Likewise.
3936         (cortex_a9_sched_adjust_cost): Likewise.
3937         (fa726te_sched_adjust_cost): Likewise.
3938         (arm_adjust_cost): Likewise.
3939         * config/bfin/bfin.c (bfin_adjust_cost): Likewise.
3940         * config/c6x/c6x.c (c6x_adjust_cost): Likewise.
3941         * config/epiphany/epiphany.c (epiphany_adjust_cost): Likewise.
3942         * config/i386/i386.c (ix86_adjust_cost): Likewise.
3943         * config/ia64/ia64.c: Likewise.
3944         * config/m68k/m68k.c: Likewise.
3945         * config/mep/mep.c (mep_adjust_cost): Likewise.
3946         * config/microblaze/microblaze.c (microblaze_adjust_cost):
3947         * Likewise.
3948         * config/mips/mips.c (mips_adjust_cost): Likewise.
3949         * config/mn10300/mn10300.c (mn10300_adjust_sched_cost):
3950         * Likewise.
3951         * config/pa/pa.c (pa_adjust_cost): Likewise.
3952         * config/rs6000/rs6000.c (rs6000_adjust_cost): Likewise.
3953         (rs6000_debug_adjust_cost): Likewise.
3954         * config/sh/sh.c (sh_adjust_cost): Likewise.
3955         * config/sparc/sparc.c (supersparc_adjust_cost): Likewise.
3956         (hypersparc_adjust_cost): Likewise.
3957         (sparc_adjust_cost): Likewise.
3958         * config/spu/spu.c (spu_sched_adjust_cost): Likewise.
3959         * config/tilegx/tilegx.c (tilegx_sched_adjust_cost): Likewise.
3960         * config/tilepro/tilepro.c (tilepro_sched_adjust_cost):
3961         * Likewise.
3962         * config/visium/visium.c (visium_adjust_cost): Likewise.
3963         * doc/tm.texi: Regenerate.
3964         * haifa-sched.c (dep_cost_1): Adjust.
3965         * target.def: Merge adjust_cost and adjust_cost_2.
3967 2016-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3969         * haifa-sched.c (add_to_speculative_block): Make twins a vector.
3971 2016-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3973         * store-motion.c (struct st_expr): Make pattern_regs a vector.
3974         (extract_mentioned_regs): Append to a vector instead of
3975         returning a rtx_expr_list.
3976         (st_expr_entry): Adjust.
3977         (free_st_expr_entry): Likewise.
3978         (store_ops_ok): Likewise.
3979         (store_killed_in_insn): Likewise.
3980         (find_moveable_store): Likewise.
3982 2016-07-28  Martin Liska  <mliska@suse.cz>
3984         PR gcov-profile/68025
3985         * tree-profile.c (tree_profiling): Respect
3986         no_profile_instrument_function attribute.
3987         * doc/extend.texi: Document no_profile_instrument_function
3988         attribute.
3990 2016-07-28  Martin Liska  <mliska@suse.cz>
3992         PR rtl-optimization/70944
3993         * combine.c (make_compound_operation):
3994         Do not allow make_compound_operation for vector mode
3996 2016-07-28  Kugan Vivekanandarajah  <kuganv@linaro.org>
3998         PR middle-end/71994
3999         * tree-ssa-reassoc.c (maybe_optimize_range_tests): Check tcc_comparison
4000          before calling get_ops.
4002 2016-07-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4004         * defaults.h (LOG2_BITS_PER_UNIT): Move from here...
4005         * tree.h (LOG2_BITS_PER_UNIT): ...to here.
4006         (BITS_PER_UNIT_LOG): Remove.
4007         (int_bit_position): Use LOG2_BITS_PER_UNIT instead of BITS_PER_UNIT_LOG.
4008         * expr.c (expand_assignment): Likewise.
4009         * stor-layout.c (initialize_sizetypes): Likewise.
4011 2016-07-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
4013         * config/rs6000/vector.md (vec_extract<mode>): Change the calling
4014         signature of rs6000_expand_vector_extract so that the element
4015         number is a RTX instead of a constant integer.
4016         * config/rs6000/rs6000-protos.h (rs6000_expand_vector_extract):
4017         Likewise.
4018         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Likewise.
4019         (altivec_expand_vec_ext_builtin): Likewise.
4020         * config/rs6000/altivec.md (reduc_plus_scal_<mode>): Likewise.
4021         * config/rs6000/vsx.md (vsx_extract_<mode>): Fix spelling of the
4022         MFVSRLD instruction.
4024 2016-07-27  David Malcolm  <dmalcolm@redhat.com>
4026         * input.c (get_pure_location): Move here from tree.c.
4027         (make_location): Likewise.  Add header comment.
4028         (selftest::test_accessing_ordinary_linemaps): Verify
4029         pure_location_p, make_location, get_location_from_adhoc_loc and
4030         get_range_from_loc.
4031         * input.h (get_pure_location): Move declaration here from tree.h.
4032         (get_finish): Likewise for inline function.
4033         (make_location): Likewise for declaration.
4034         * tree.c (get_pure_location): Move to input.c.
4035         (make_location): Likewise.
4036         * tree.h (get_pure_location): Move declaration to tree.h.
4037         (get_finish): Likewise for inline function.
4038         (make_location): Likewise for declaration.
4040 2016-07-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4042         PR middle-end/71078
4043         * match.pd (x / abs(x) -> copysign(1.0, x)): New pattern.
4045 2016-07-27  David Malcolm  <dmalcolm@redhat.com>
4047         * system.h (STATIC_ASSERT): Use static_assert if building
4048         with C++11 onwards.
4050 2016-07-27  Richard Biener  <rguenther@suse.de>
4052         PR tree-optimization/72517
4053         * tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
4054         Revert change to not compute read-read dependences.
4056 2016-07-27  Richard Biener  <rguenther@suse.de>
4058         * predict.c (set_even_probabilities): Make nedges unsigned.
4060 2016-07-27  Martin Liska  <mliska@suse.cz>
4062         * predict.c (set_even_probabilities): Handle unlikely edges.
4063         (combine_predictions_for_bb): Likewise.
4065 2016-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
4067         PR target/71869
4068         * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
4069         __float128 support when we don't have hardware support, so that
4070         the IEEE built-in functions like isgreater, first call __unordkf3
4071         to make sure neither operand is a NaN, and if both operands are
4072         ordered, do the normal comparison.
4074 2016-07-26  Patrick Palka  <ppalka@gcc.gnu.org>
4076         * tree-vrp.c (dump_asserts_for): Print loc->expr instead of
4077         name.
4078         (extract_code_and_val_from_cond_with_ops): Verify that name is
4079         either cond_op0 or cond_op1.
4081 2016-07-26  Patrick Palka  <ppalka@gcc.gnu.org>
4083         PR tree-optimization/18046
4084         * genmodes.c (emit_mode_size_inline): Emit an assert that
4085         verifies that mode is a valid array index.
4086         (emit_mode_nuinits_inline): Likewise.
4087         (emit_mode_inner_inline): Likewise.
4088         (emit_mode_unit_size_inline): Likewise.
4089         (emit_mode_unit_precision_inline): Likewise.
4090         * tree-vrp.c: Include params.h.
4091         (find_switch_asserts): Register edge assertions for the default
4092         label which correspond to the anti-ranges of each case label.
4093         * params.def (PARAM_MAX_VRP_SWITCH_ASSERTIONS): New.
4094         * doc/invoke.texi: Document it.
4096 2016-07-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4098         * gimple-ssa-strength-reduction.c (slsr_process_phi): Remove dead
4099         and unnecessary call to gimple_bb.
4101 2016-07-26  Richard Biener  <rguenther@suse.de>
4103         PR rtl-optimization/71984
4104         * simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare
4105         for VOIDmode.
4107 2016-07-26  Richard Biener  <rguenther@suse.de>
4109         PR middle-end/72517
4110         * expmed.c (extract_bit_field_1): Constrain the vector mode
4111         with element size matching the extraction mode size when
4112         choosing a better vector mode to do the extraction from.
4114 2016-07-26  Richard Biener  <rguenther@suse.de>
4115             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4117         PR middle-end/70920
4118         * match.pd ((intptr)x eq/ne CST to x eq/ne (typeof x) CST): New
4119         pattern.
4121 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4123         * tree-ssa-structalias.c (struct scc_info): Change types of
4124         members to auto_sbitmap and auto_vec.
4125         (scc_info::scc_info): New constructor.
4126         (scc_info::~scc_info): New destructor.
4127         (init_scc_info): Remove.
4128         (free_scc_info): Remove.
4129         (find_indirect_cycles): Adjust.
4130         (perform_var_substitution): Likewise.
4131         (free_var_substitution_info): Likewise.
4133 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4135         * tree-outof-ssa.c (struct elim_graph): Change type of members
4136         to auto_vec and auto_sbitmap.
4137         (elim_graph::elim_graph): New constructor.
4138         (delete_elim_graph): Remove.
4139         (expand_phi_nodes): Adjust.
4141 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4143         * tree-outof-ssa.c (struct elim_graph): Remove typedef.
4144         (new_elim_graph): Adjust.
4145         (clear_elim_graph): Likewise.
4146         (delete_elim_graph): Likewise.
4147         (elim_graph_size): Likewise.
4148         (elim_graph_add_node): Likewise.
4149         (elim_graph_add_edge): Likewise.
4150         (elim_graph_remove_succ_edge): Likewise.
4151         (eliminate_name): Likewise.
4152         (eliminate_build): Likewise.
4153         (elim_forward): Likewise.
4154         (elim_unvisited_predecessor): Likewise.
4155         (elim_backward): Likewise.
4156         (elim_create): Likewise.
4157         (eliminate_phi): Likewise.
4158         (expand_phi_nodes): Likewise.
4160 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4162         * bt-load.c (compute_out): Use auto_sbitmap class.
4163         (link_btr_uses): Likewise.
4164         * cfganal.c (mark_dfs_back_edges): Likewise.
4165         (post_order_compute): Likewise.
4166         (inverted_post_order_compute): Likewise.
4167         (pre_and_rev_post_order_compute_fn): Likewise.
4168         (single_pred_before_succ_order): Likewise.
4169         * cfgexpand.c (pass_expand::execute): Likewise.
4170         * cfgloop.c (verify_loop_structure): Likewise.
4171         * cfgloopmanip.c (fix_bb_placements): Likewise.
4172         (remove_path): Likewise.
4173         (update_dominators_in_loop): Likewise.
4174         * cfgrtl.c (break_superblocks): Likewise.
4175         * ddg.c (check_sccs): Likewise.
4176         (create_ddg_all_sccs): Likewise.
4177         * df-core.c (df_worklist_dataflow): Likewise.
4178         * dse.c (dse_step3): Likewise.
4179         * except.c (eh_region_outermost): Likewise.
4180         * function.c (thread_prologue_and_epilogue_insns): Likewise.
4181         * gcse.c (prune_expressions): Likewise.
4182         (prune_insertions_deletions): Likewise.
4183         * gimple-ssa-backprop.c (backprop::~backprop): Likewise.
4184         * graph.c (draw_cfg_nodes_no_loops): Likewise.
4185         * ira-lives.c (remove_some_program_points_and_update_live_ranges): Likewise.
4186         * lcm.c (compute_earliest): Likewise.
4187         (compute_farthest): Likewise.
4188         * loop-unroll.c (unroll_loop_constant_iterations): Likewise.
4189         (unroll_loop_runtime_iterations): Likewise.
4190         (unroll_loop_stupid): Likewise.
4191         * lower-subreg.c (decompose_multiword_subregs): Likewise.
4192         * lra-lives.c: Likewise.
4193         * lra.c (lra): Likewise.
4194         * modulo-sched.c (schedule_reg_moves): Likewise.
4195         (optimize_sc): Likewise.
4196         (get_sched_window): Likewise.
4197         (sms_schedule_by_order): Likewise.
4198         (check_nodes_order): Likewise.
4199         (order_nodes_of_sccs): Likewise.
4200         (order_nodes_in_scc): Likewise.
4201         * recog.c (split_all_insns): Likewise.
4202         * regcprop.c (pass_cprop_hardreg::execute): Likewise.
4203         * reload1.c (reload): Likewise.
4204         * sched-rgn.c (haifa_find_rgns): Likewise.
4205         (split_edges): Likewise.
4206         (compute_trg_info): Likewise.
4207         * sel-sched.c (init_seqno): Likewise.
4208         * store-motion.c (remove_reachable_equiv_notes): Likewise.
4209         * tree-into-ssa.c (update_ssa): Likewise.
4210         * tree-ssa-live.c (live_worklist): Likewise.
4211         * tree-ssa-loop-im.c (fill_always_executed_in): Likewise.
4212         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4213         * Likewise.
4214         (try_peel_loop): Likewise.
4215         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
4216         * Likewise.
4217         * tree-ssa-pre.c (compute_antic): Likewise.
4218         * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
4219         * tree-stdarg.c (reachable_at_most_once): Likewise.
4220         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Likewise.
4221         * var-tracking.c (vt_find_locations): Likewise.
4223 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4225         * sbitmap.h (auto_sbitmap): New class.
4227 2016-07-26  Alan Modra  <amodra@gmail.com>
4229         PR target/72103
4230         * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
4231         sri->t_icode.
4233 2016-07-25  David Malcolm  <dmalcolm@redhat.com>
4235         * input.c (selftest::temp_source_file::temp_source_file): Fix
4236         missing "%s" in fprintf.
4238 2016-07-25  John David Anglin  <danglin@gcc.gnu.org>
4240         PR middle-end/71732
4241         * cselib.c (cselib_process_insn): Invalidate argument slots for
4242         const/pure calls.
4244 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4246         * config/aarch64/arm_neon.h (vfmah_lane_f16, vfmah_laneq_f16,
4247         vfmsh_lane_f16, vfmsh_laneq_f16, vmulh_lane_f16, vmulh_laneq_f16,
4248         vmulxh_lane_f16, vmulxh_laneq_f16): New.
4250 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4252         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
4253         * config/aarch64/aarch64.md (fma, fnma): Support HF.
4254         * config/aarch64/arm_fp16.h (vfmah_f16, vfmsh_f16): New.
4256 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4258         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
4259         * config/aarch64/aarch64.md (<FCVT_F2FIXED:fcvt_fixed_insn>hf<mode>3):
4260         New.
4261         (<FCVT_FIXED2F:fcvt_fixed_insn><mode>hf3): Likewise.
4262         (add<mode>3): Likewise.
4263         (sub<mode>3): Likewise.
4264         (mul<mode>3): Likewise.
4265         (div<mode>3): Likewise.
4266         (*div<mode>3): Likewise.
4267         (<fmaxmin><mode>3): Extend to HF.
4268         * config/aarch64/aarch64-simd.md (aarch64_rsqrts<mode>): Likewise.
4269         (fabd<mode>3): Likewise.
4270         (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_HSDF:mode>3): Likewise.
4271         (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_HSDI:mode>3): Likewise.
4272         (aarch64_fmulx<mode>): Likewise.
4273         (aarch64_fac<optab><mode>): Likewise.
4274         (aarch64_frecps<mode>): Likewise.
4275         (<FCVT_F2FIXED:fcvt_fixed_insn>hfhi3): New.
4276         (<FCVT_FIXED2F:fcvt_fixed_insn>hihf3): Likewise.
4277         * config/aarch64/iterators.md (VHSDF_SDF): Delete.
4278         (VSDQ_HSDI): Support HI.
4279         (fcvt_target, FCVT_TARGET): Likewise.
4280         * config/aarch64/arm_fp16.h (vaddh_f16, vsubh_f16, vabdh_f16,
4281         vcageh_f16, vcagth_f16, vcaleh_f16, vcalth_f16, vceqh_f16, vcgeh_f16,
4282         vcgth_f16, vcleh_f16, vclth_f16, vcvth_n_f16_s16, vcvth_n_f16_s32,
4283         vcvth_n_f16_s64, vcvth_n_f16_u16, vcvth_n_f16_u32, vcvth_n_f16_u64,
4284         vcvth_n_s16_f16, vcvth_n_s32_f16, vcvth_n_s64_f16, vcvth_n_u16_f16,
4285         vcvth_n_u32_f16, vcvth_n_u64_f16, vdivh_f16, vmaxh_f16, vmaxnmh_f16,
4286         vminh_f16, vminnmh_f16, vmulh_f16, vmulxh_f16, vrecpsh_f16,
4287         vrsqrtsh_f16): New.
4289 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4291         * config.gcc (aarch64*-*-*): Install arm_fp16.h.
4292         * config/aarch64/aarch64-builtins.c (hi_UP): New.
4293         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
4294         * config/aarch64/aarch64-simd.md (aarch64_frsqrte<mode>): Extend to HF
4295         mode.
4296         (aarch64_frecp<FRECP:frecp_suffix><mode>): Likewise.
4297         (aarch64_cm<optab><mode>): Likewise.
4298         * config/aarch64/aarch64.md (<frint_pattern><mode>2): Likewise.
4299         (l<fcvt_pattern><su_optab><GPF:mode><GPI:mode>2): Likewise.
4300         (fix_trunc<GPF:mode><GPI:mode>2): Likewise.
4301         (sqrt<mode>2): Likewise.
4302         (*sqrt<mode>2): Likewise.
4303         (abs<mode>2): Likewise.
4304         (<optab><mode>hf2): New pattern for HF mode.
4305         (<optab>hihf2): Likewise.
4306         * config/aarch64/arm_neon.h: Include arm_fp16.h.
4307         * config/aarch64/iterators.md (GPF_F16, GPI_F16, VHSDF_HSDF): New.
4308         (w1, w2, v, s, q, Vmtype, V_cmp_result, fcvt_iesize, FCVT_IESIZE):
4309         Support HF mode.
4310         * config/aarch64/arm_fp16.h: New file.
4311         (vabsh_f16, vceqzh_f16, vcgezh_f16, vcgtzh_f16, vclezh_f16, vcltzh_f16,
4312         vcvth_f16_s16, vcvth_f16_s32, vcvth_f16_s64, vcvth_f16_u16,
4313         vcvth_f16_u32, vcvth_f16_u64, vcvth_s16_f16, vcvth_s32_f16,
4314         vcvth_s64_f16, vcvth_u16_f16, vcvth_u32_f16, vcvth_u64_f16,
4315         vcvtah_s16_f16, vcvtah_s32_f16, vcvtah_s64_f16, vcvtah_u16_f16,
4316         vcvtah_u32_f16, vcvtah_u64_f16, vcvtmh_s16_f16, vcvtmh_s32_f16,
4317         vcvtmh_s64_f16, vcvtmh_u16_f16, vcvtmh_u32_f16, vcvtmh_u64_f16,
4318         vcvtnh_s16_f16, vcvtnh_s32_f16, vcvtnh_s64_f16, vcvtnh_u16_f16,
4319         vcvtnh_u32_f16, vcvtnh_u64_f16, vcvtph_s16_f16, vcvtph_s32_f16,
4320         vcvtph_s64_f16, vcvtph_u16_f16, vcvtph_u32_f16, vcvtph_u64_f16,
4321         vnegh_f16, vrecpeh_f16, vrecpxh_f16, vrndh_f16, vrndah_f16, vrndih_f16,
4322         vrndmh_f16, vrndnh_f16, vrndph_f16, vrndxh_f16, vrsqrteh_f16,
4323         vsqrth_f16): New.
4325 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4327         * config/aarch64/aarch64-simd-builtins.def (reduc_smax_scal_,
4328         reduc_smin_scal_): Use VDQIF_F16.
4329         (reduc_smax_nan_scal_, reduc_smin_nan_scal_): Use VHSDF.
4330         * config/aarch64/aarch64-simd.md (reduc_<maxmin_uns>_scal_<mode>):
4331         Use VHSDF.
4332         (aarch64_reduc_<maxmin_uns>_internal<mode>): Likewise.
4333         * config/aarch64/iterators.md (VDQIF_F16): New.
4334         (vp): Support HF modes.
4335         * config/aarch64/arm_neon.h (vmaxv_f16, vmaxvq_f16, vminv_f16,
4336         vminvq_f16, vmaxnmv_f16, vmaxnmvq_f16, vminnmv_f16, vminnmvq_f16): New.
4338 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4340         * config/aarch64/aarch64-simd.md (*aarch64_mulx_elt_to_64v2df): Rename to
4341         "*aarch64_mulx_elt_from_dup<mode>".
4342         (*aarch64_mul3_elt<mode>): Update schedule type.
4343         (*aarch64_mul3_elt_from_dup<mode>): Likewise.
4344         (*aarch64_fma4_elt_from_dup<mode>): Likewise.
4345         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
4346         * config/aarch64/iterators.md (VMUL): Supprt half precision float modes.
4347         (f, fp): Support HF modes.
4348         * config/aarch64/arm_neon.h (vfma_lane_f16, vfmaq_lane_f16,
4349         vfma_laneq_f16, vfmaq_laneq_f16, vfma_n_f16, vfmaq_n_f16, vfms_lane_f16,
4350         vfmsq_lane_f16, vfms_laneq_f16, vfmsq_laneq_f16, vfms_n_f16,
4351         vfmsq_n_f16, vmul_lane_f16, vmulq_lane_f16, vmul_laneq_f16,
4352         vmulq_laneq_f16, vmul_n_f16, vmulq_n_f16, vmulx_lane_f16,
4353         vmulxq_lane_f16, vmulx_laneq_f16, vmulxq_laneq_f16): New.
4355 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4357         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
4358         * config/aarch64/aarch64-simd.md (fma<mode>4, fnma<mode>4): Extend to HF
4359         modes.
4360         * config/aarch64/arm_neon.h (vfma_f16, vfmaq_f16, vfms_f16,
4361         vfmsq_f16): New.
4363 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4365         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
4366         * config/aarch64/aarch64-simd.md
4367         (aarch64_rsqrts<mode>): Extend to HF modes.
4368         (fabd<mode>3): Likewise.
4369         (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_SDF:mode>3): Likewise.
4370         (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_SDI:mode>3): Likewise.
4371         (aarch64_<maxmin_uns>p<mode>): Likewise.
4372         (<su><maxmin><mode>3): Likewise.
4373         (<maxmin_uns><mode>3): Likewise.
4374         (<fmaxmin><mode>3): Likewise.
4375         (aarch64_faddp<mode>): Likewise.
4376         (aarch64_fmulx<mode>): Likewise.
4377         (aarch64_frecps<mode>): Likewise.
4378         (*aarch64_fac<optab><mode>): Rename to aarch64_fac<optab><mode>.
4379         (add<mode>3): Extend to HF modes.
4380         (sub<mode>3): Likewise.
4381         (mul<mode>3): Likewise.
4382         (div<mode>3): Likewise.
4383         (*div<mode>3): Likewise.
4384         * config/aarch64/aarch64.c (aarch64_emit_approx_div): Return false for
4385         HF, V4HF and V8HF.
4386         * config/aarch64/iterators.md (VDQ_HSDI, VSDQ_HSDI): New mode iterator.
4387         * config/aarch64/arm_neon.h (vadd_f16, vaddq_f16, vabd_f16, vabdq_f16,
4388         vcage_f16, vcageq_f16, vcagt_f16, vcagtq_f16, vcale_f16, vcaleq_f16,
4389         vcalt_f16, vcaltq_f16, vceq_f16, vceqq_f16, vcge_f16, vcgeq_f16,
4390         vcgt_f16, vcgtq_f16, vcle_f16, vcleq_f16, vclt_f16, vcltq_f16,
4391         vcvt_n_f16_s16, vcvtq_n_f16_s16, vcvt_n_f16_u16, vcvtq_n_f16_u16,
4392         vcvt_n_s16_f16, vcvtq_n_s16_f16, vcvt_n_u16_f16, vcvtq_n_u16_f16,
4393         vdiv_f16, vdivq_f16, vdup_lane_f16, vdup_laneq_f16, vdupq_lane_f16,
4394         vdupq_laneq_f16, vdups_lane_f16, vdups_laneq_f16, vmax_f16, vmaxq_f16,
4395         vmaxnm_f16, vmaxnmq_f16, vmin_f16, vminq_f16, vminnm_f16, vminnmq_f16,
4396         vmul_f16, vmulq_f16, vmulx_f16, vmulxq_f16, vpadd_f16, vpaddq_f16,
4397         vpmax_f16, vpmaxq_f16, vpmaxnm_f16, vpmaxnmq_f16, vpmin_f16, vpminq_f16,
4398         vpminnm_f16, vpminnmq_f16, vrecps_f16, vrecpsq_f16, vrsqrts_f16,
4399         vrsqrtsq_f16, vsub_f16, vsubq_f16): New.
4401 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4403         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New.
4404         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
4405         * config/aarch64/aarch64-simd.md (aarch64_rsqrte<mode>): Extend to HF modes.
4406         (neg<mode>2): Likewise.
4407         (abs<mode>2): Likewise.
4408         (<frint_pattern><mode>2): Likewise.
4409         (l<fcvt_pattern><su_optab><VDQF:mode><fcvt_target>2): Likewise.
4410         (<optab><VDQF:mode><fcvt_target>2): Likewise.
4411         (<fix_trunc_optab><VDQF:mode><fcvt_target>2): Likewise.
4412         (ftrunc<VDQF:mode>2): Likewise.
4413         (<optab><fcvt_target><VDQF:mode>2): Likewise.
4414         (sqrt<mode>2): Likewise.
4415         (*sqrt<mode>2): Likewise.
4416         (aarch64_frecpe<mode>): Likewise.
4417         (aarch64_cm<optab><mode>): Likewise.
4418         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Return false for
4419         HF, V4HF and V8HF.
4420         * config/aarch64/iterators.md (VHSDF, VHSDF_DF, VHSDF_SDF): New.
4421         (VDQF_COND, fcvt_target, FCVT_TARGET, hcon): Extend mode attribute to HF modes.
4422         (stype): New.
4423         * config/aarch64/arm_neon.h (vdup_n_f16): New.
4424         (vdupq_n_f16): Likewise.
4425         (vld1_dup_f16): Use vdup_n_f16.
4426         (vld1q_dup_f16): Use vdupq_n_f16.
4427         (vabs_f16, vabsq_f16, vceqz_f16, vceqzq_f16, vcgez_f16, vcgezq_f16,
4428         vcgtz_f16, vcgtzq_f16, vclez_f16, vclezq_f16, vcltz_f16, vcltzq_f16,
4429         vcvt_f16_s16, vcvtq_f16_s16, vcvt_f16_u16, vcvtq_f16_u16, vcvt_s16_f16,
4430         vcvtq_s16_f16, vcvt_u16_f16, vcvtq_u16_f16, vcvta_s16_f16,
4431         vcvtaq_s16_f16, vcvta_u16_f16, vcvtaq_u16_f16, vcvtm_s16_f16,
4432         vcvtmq_s16_f16, vcvtm_u16_f16, vcvtmq_u16_f16, vcvtn_s16_f16,
4433         vcvtnq_s16_f16, vcvtn_u16_f16, vcvtnq_u16_f16, vcvtp_s16_f16,
4434         vcvtpq_s16_f16, vcvtp_u16_f16, vcvtpq_u16_f16, vneg_f16, vnegq_f16,
4435         vrecpe_f16, vrecpeq_f16, vrnd_f16, vrndq_f16, vrnda_f16, vrndaq_f16,
4436         vrndi_f16, vrndiq_f16, vrndm_f16, vrndmq_f16, vrndn_f16, vrndnq_f16,
4437         vrndp_f16, vrndpq_f16, vrndx_f16, vrndxq_f16, vrsqrte_f16, vrsqrteq_f16,
4438         vsqrt_f16, vsqrtq_f16): New.
4440 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4442         * config/aarch64/aarch64-simd.md
4443         (aarch64_<PERMUTE:perm_insn><PERMUTE:perm_hilo><mode>): Use VALL_F16.
4444         (aarch64_ext<mode>): Likewise.
4445         (aarch64_rev<REVERSE:rev_op><mode>): Likewise.
4446         * config/aarch64/aarch64.c (aarch64_evpc_trn, aarch64_evpc_uzp,
4447         aarch64_evpc_zip, aarch64_evpc_ext, aarch64_evpc_rev): Support V4HFmode
4448         and V8HFmode.
4449         * config/aarch64/arm_neon.h (__INTERLEAVE_LIST): Support float16x4_t,
4450         float16x8_t.
4451         (__aarch64_vdup_lane_f16, __aarch64_vdup_laneq_f16,
4452         __aarch64_vdupq_lane_f16, __aarch64_vdupq_laneq_f16, vbsl_f16,
4453         vbslq_f16, vdup_n_f16, vdupq_n_f16, vdup_lane_f16, vdup_laneq_f16,
4454         vdupq_lane_f16, vdupq_laneq_f16, vduph_lane_f16, vduph_laneq_f16,
4455         vext_f16, vextq_f16, vmov_n_f16, vmovq_n_f16, vrev64_f16, vrev64q_f16,
4456         vtrn1_f16, vtrn1q_f16, vtrn2_f16, vtrn2q_f16, vtrn_f16, vtrnq_f16,
4457         vuzp1_f16, vuzp1q_f16, vuzp2_f16, vuzp2q_f16, vzip1_f16, vzip2q_f16):
4458         New.
4459         (vmov_n_f16): Reimplement using vdup_n_f16.
4460         (vmovq_n_f16): Reimplement using vdupq_n_f16..
4462 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4464         * config/aarch64/aarch64.c (aarch64_add_constant): New parameter
4465         "frame_related_p".  Generate CFA annotation when it's necessary.
4466         (aarch64_expand_prologue): Use aarch64_add_constant.
4467         (aarch64_expand_epilogue): Likewise.
4468         (aarch64_output_mi_thunk): Pass "false" when calling
4469         aarch64_add_constant.
4471 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4473         * config/aarch64/aarch64.c (aarch64_add_constant): Optimize instruction
4474         sequences.
4476 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
4478         * config/aarch64/aarch64.c (aarch64_add_constant): New parameter "mode".
4479         Use aarch64_internal_mov_immediate instead of aarch64_build_constant.
4480         (aarch64_output_mi_thunk): Pass Pmode when calling aarch64_add_constant.
4481         (aarch64_build_constant): Delete.
4483 2016-07-25  Alexander Monakov  <amonakov@ispras.ru>
4485         Revert
4486         2016-07-20  Alexander Monakov  <amonakov@ispras.ru>
4488         * config/nvptx/nvptx.c (nvptx_option_override): Do not set
4489         flag_toplevel_reorder.
4491 2016-07-25  Richard Biener  <rguenther@suse.de>
4493         * cgraph.c (cgraph_node::verify_node): Compare against builtin
4494         by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
4495         * tree-chkp.c (chkp_gimple_call_builtin_p): Likewise.
4496         * tree-streamer.h (streamer_handle_as_builtin_p): Remove.
4497         (streamer_get_builtin_tree): Likewise.
4498         (streamer_write_builtin): Likewise.
4499         * lto-streamer.h (LTO_builtin_decl): Remove.
4500         * lto-streamer-in.c (lto_read_tree_1): Remove assert.
4501         (lto_input_scc): Remove LTO_builtin_decl handling.
4502         (lto_input_tree_1): Liekwise.
4503         * lto-streamer-out.c (lto_output_tree_1): Remove special
4504         handling of builtins.
4505         (DFS::DFS): Likewise.
4506         * tree-streamer-in.c (streamer_get_builtin_tree): Remove.
4507         * tree-streamer-out.c (pack_ts_function_decl_value_fields): Remove
4508         assert.
4509         (streamer_write_builtin): Remove.
4511 2016-07-25  Martin Liska  <mliska@suse.cz>
4513         * lto-cgraph.c (input_symtab): Don't call get_working_sets
4514         if flag_auto_profile is set to true.
4516 2016-07-25  Martin Liska  <mliska@suse.cz>
4518         PR gcov-profile/71868
4519         * cfgloopanal.c (expected_loop_iterations_unbounded): When we
4520         have a function with multiple latches, count them all.
4522 2016-07-25  Martin Liska  <mliska@suse.cz>
4524         * tree-ssa-loop-niter.c (loop_only_exit_p): Release body array.
4526 2016-07-25  Martin Liska  <mliska@suse.cz>
4528         PR tree-optimization/71987
4529         * tree-ssa-reassoc.c (maybe_optimize_range_tests): Call get_ops
4530         just for SSA_NAMEs. Fix GNU coding style.
4532 2016-07-25  Martin Liska  <mliska@suse.cz>
4534         PR gcov-profile/64874
4535         * gcov-io.h: Update command about file format.
4536         * gcov-iov.c (main): Adapt the numbering scheme.
4538 2016-07-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
4540         PR middle-end/66726
4541         * tree-ssa-reassoc.c (optimize_vec_cond_expr): Handle tcc_compare stmt
4542         whose result is used in PHI.
4543         (final_range_test_p): Likewise.
4544         (maybe_optimize_range_tests): Likewise.
4546 2016-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
4548         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4549         Reformat two multi-line strings.
4551 2016-07-22  Martin Sebor  <msebor@redhat.com>
4553         * doc/extend.texi (Compound Literals): Add '@' missed in last commit.
4555 2016-07-22  Martin Sebor  <msebor@redhat.com>
4557         PR c/71560
4558         * doc/extend.texi (Compound Literals): Correct and clarify.
4559         (Cast to Union): Same.
4561 2016-07-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4563         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
4564         comments to explain why certain error messages make mention of
4565         undocumented options.
4566         (rs6000_invalid_builtin): Change error messages to replace mention
4567         of undocumented options with mention of the -mcpu=power9 option
4568         that enables those undocumented options.
4569         * config/rs6000/rs6000.h (MASK_FLOAT128): New macro.
4570         (RS6000_BTM_FLOAT128): Use the new MASK_FLOAT128 macro in the
4571         definition of this macro to correct an existing error.
4572         * config/rs6000/rs6000.opt: Add the Undocumented qualifier to the
4573         mpower9-fusion, mpower9-vector, mpower9-dform, and mmodulo entries.
4574         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Modify
4575         descriptions of built-in functions so that they depend on
4576         -mcpu=power9 instead of on the corresponding undocumented flags.
4577         * doc/invoke.texi (Option Summary):  Remove all mention of newly
4578         undocumented flags.
4579         (IBM RS/6000 and PowerPC Options): Likewise.
4580         * doc/md.texi (Constraints for Particuliar Machines): Remove all
4581         mention of newly undocumented flags.
4583 2016-07-22  Evgeny Stupachenko  <evstupac@gmail.com>
4585         * ipa-cp.c (determine_versionability): Do not create constprop clones,
4586         when target_clones attribute is set.
4588 2016-07-22  Bin Cheng  <bin.cheng@arm.com>
4590         * common.opt (funsafe-loop-optimizations): Mark ignore.
4591         * doc/invoke.texi (funsafe-loop-optimizations): Remove.
4592         * loop-iv.c (get_simple_loop_desc): Remove unsafe-loop-optimizations
4593         related code.
4594         * tree-ssa-loop-niter.c (finite_loop_p): Ditto.
4595         * config/bfin/bfin.c (bfin_can_use_doloop_p): Ditto.
4597 2016-07-22  Bin Cheng  <bin.cheng@arm.com>
4599         * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
4600         Parameter.
4601         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
4602         Parameter.
4603         (number_of_iterations_exit): Warn missed loop optimization for
4604         possible infinite loops.
4606 2016-07-22  Segher Boessenkool  <segher@kernel.crashing.org>
4608         PR target/71216
4609         * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
4610         when to emit a ".machine" pseudo-op.
4612 2016-07-22  Martin Liska  <mliska@suse.cz>
4614         PR gcov-profile/69028
4615         PR gcov-profile/62047
4616         * coverage.c (coverage_compute_lineno_checksum): Do not
4617         calculate checksum for fns w/o xloc.file.
4618         (coverage_compute_profile_id): Likewise.
4620 2016-07-22  Georg-Johann Lay  <avr@gjlay.de>
4622         * config/avr/avr.c (TARGET_SECONDARY_RELOAD): Remove hook define...
4623         (avr_secondary_reload): ...and implementation.
4624         (avr_adjust_insn_length) [ADJUST_LEN_LPM]: Remove handling.
4625         * config/avr/avr.md (reload_in<mode>): Remove insns.
4626         (adjust_len) [lpm]: Remove insn attribute value.
4627         * config/avr/predicates.md (flash_operand): Remove insn predicate.
4629 2016-07-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4631         PR middle-end/71876
4632         * builtin-attrs.def (ATTR_RT_NOTHROW_LEAF_LIST): New return twice
4633         attribute.
4634         * builtins.def (BUILT_IN_SETJMP): Use ATTR_RT_NOTHROW_LEAF_LIST here.
4635         * calls.c (special_function_p): Remove the special handling of the
4636         "__builtin_" prefix.
4638 2016-07-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4640         PR middle-end/71876
4641         * calls.c (gimple_maybe_alloca_call_p): New function.  Return true
4642         if STMT may be an alloca call.
4643         (gimple_alloca_call_p, alloca_call_p): Return only true for the
4644         builtin alloca call.
4645         * calls.h (gimple_maybe_alloca_call_p): New function.
4646         * tree-inline.c (inline_forbidden_p_stmt): Use
4647         gimple_maybe_alloca_call_p here.
4649 2016-07-21  David Malcolm  <dmalcolm@redhat.com>
4651         * spellcheck-tree.c (best_macro_match::best_macro_match):
4652         Explictly specify the template arguments when invoking the base
4653         class constructor, to help older C++ compilers.
4655 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
4657         PR sanitizer/71953
4658         * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
4659         before builtin_decl_implicit.
4661 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
4663         * optabs.c (emit_condiitonal_move): Short circuit for identical
4664         sources.
4666 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
4668         * ifcvt.c (noce_if_info): New fields: speed_p, original_cost,
4669         max_seq_cost.  Removed fields: then_cost, else_cost, branch_cost.
4670         (noce_conversion_profitable_p): New.
4671         (noce_try_store_flag_constants): Use it.
4672         (noce_try_addcc): Likewise.
4673         (noce_try_store_flag_mask): Likewise.
4674         (noce_try_cmove): Likewise.
4675         (noce_try_cmove_arith): Likewise.
4676         (bb_valid_for_noce_process_p): Add to the cost parameter rather than
4677         overwriting it.
4678         (noce_convert_multiple_sets): Move cost model to here, from...
4679         (bb_ok_for_noce_convert_multiple_sets) ...here.
4680         (noce_process_if_block): Update calls for above changes.
4681         (noce_find_if_block): Record new noce_if_info parameters.
4683 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
4685         * target.def (max_noce_ifcvt_seq_cost): New.
4686         * doc/tm.texi.in (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Document it.
4687         * doc/tm.texi: Regenerate.
4688         * targhooks.h (default_max_noce_ifcvt_seq_cost): New.
4689         * targhooks.c (default_max_noce_ifcvt_seq_cost): New.
4690         * params.def (PARAM_MAX_RTL_IF_CONVERSION_PREDICTABLE_COST): New.
4691         (PARAM_MAX_RTL_IF_CONVERSION_UNPREDICTABLE_COST): Likewise.
4692         * doc/invoke.texi: Document new params.
4694 2016-07-21  Richard Biener  <rguenther@suse.de>
4696         PR tree-optimization/71947
4697         * tree-vrp.c (extract_range_from_assert): Singleton symbolic
4698         ranges have useful limit_vr information.
4700 2016-07-21  Richard Biener  <rguenther@suse.de>
4702         * function-tests.c (build_trivial_generic_function): Set
4703         BLOCK_SUPERCONTEXT of DECL_INITIAL.
4704         * omp-low.c (create_omp_child_function): Likewise.
4705         (grid_expand_target_grid_body): Likewise.
4706         * cgraphunit.c (init_lowered_empty_function): Likewise.
4707         (cgraph_node::expand_thunk): Likewise.
4708         * tree-parloops.c (create_loop_fn): Likewise.
4709         * ipa.c (cgraph_build_static_cdtor_1): Likewise.
4711 2016-07-21  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4713         * tree-ssa-strlen.c (strlen_dom_walker::before_dom_children): Fix typo
4714         in comment.
4716 2016-07-21  Georg-Johann Lay  <avr@gjlay.de>
4718         * config/avr/avr.md (any_extract, any_shiftrt): New code iterators.
4719         (*insv.extract, *insv.shiftrt, *insv.not-bit.0, *insv.not-bit.7)
4720         (*insv.xor-extract, *insv.xor1-bit.0): New insns.
4721         (adjust_len) [insv_notbit, insv_notbit_0, insv_notbit_7]: New
4722         values for insn attribute.
4723         * config/avr/avr.c (avr_out_insert_notbit): New function.
4724         (avr_adjust_insn_length): Handle ADJUST_LEN_INSV_NOTBIT,
4725         ADJUST_LEN_INSV_NOTBIT_0/_7.
4726         * config/avr/avr-protos.h (avr_out_insert_notbit): New proto.
4728 2016-07-21  Bin Cheng  <bin.cheng@arm.com>
4730         * tree-chrec.c (convert_affine_scev): New parameter.  Pass new arg.
4731         (chrec_convert_1, chrec_convert): Ditto.
4732         * tree-chrec.h (chrec_convert, convert_affine_scev): New parameter.
4733         * tree-scalar-evolution.c (interpret_rhs_expr): Pass new arg.
4734         * tree-vrp.c (adjust_range_with_scev): Ditto.
4735         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Ditto.
4736         (scev_var_range_cant_overflow): New function.
4737         (scev_probably_wraps_p): New parameter.  Call above function.
4738         * tree-ssa-loop-niter.h (scev_probably_wraps_p): New parameter.
4740 2016-07-21  Bin Cheng  <bin.cheng@arm.com>
4742         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
4743         by removing computation of may_be_zero.
4745 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
4747         * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
4749 2016-07-21  Andrew Sutton  <andrew.n.sutton@gmail.com>
4751         Improving concepts performance and diagnostics.
4752         * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
4753         for constraint satisfaction and subsumption.
4754         * timevar.h (auto_timevar): New constructor that matches the push/pop
4755         pattern of usage in pt.c.
4757 2016-07-20  Uros Bizjak  <ubizjak@gmail.com>
4759         * hwint.h (HOST_WIDE_INT_0): New define.
4760         (HOST_WIDE_INT_0U): Ditto.
4761         * double-int.c: Use HOST_WIDE_INT_0 instead of (HOST_WIDE_INT) 0.
4762         * dse.c: Use HOST_WIDE_INT_0U instead of (unsigned HOST_WIDE_INT) 0.
4763         * simplify-rtx.c: Ditto.
4764         * tree-object-size.c: Ditto.
4766 2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4768         * config/s390/s390.c (s390_encode_section_info): Remove mode size
4769         check.
4771 2016-07-20  Uros Bizjak  <ubizjak@gmail.com>
4773         * cse.c: Use HOST_WIDE_INT_M1 instead of ~(HOST_WIDE_INT) 0.
4774         * combine.c: Use HOST_WIDE_INT_M1U instead of
4775         ~(unsigned HOST_WIDE_INT) 0.
4776         * double-int.h: Ditto.
4777         * dse.c: Ditto.
4778         * dwarf2asm.c:Ditto.
4779         * expmed.c: Ditto.
4780         * genmodes.c: Ditto.
4781         * match.pd: Ditto.
4782         * read-rtl.c: Ditto.
4783         * tree-ssa-loop-ivopts.c: Ditto.
4784         * tree-ssa-loop-prefetch.c: Ditto.
4785         * tree-vect-generic.c: Ditto.
4786         * tree-vect-patterns.c: Ditto.
4787         * tree.c: Ditto.
4789 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
4791         * gcc/config/avr.c (avr_legitimize_address) [AVR_TINY]: Force
4792         constant addresses outside [0,0xc0] into a register.
4793         (avr_out_movhi_r_mr_reg_no_disp_tiny): Pass insn.  And handle
4794         cases where the base address register is unused after.
4795         (avr_out_movhi_r_mr_reg_disp_tiny): Same.
4796         (avr_out_movhi_mr_r_reg_disp_tiny): Same.
4797         (avr_out_store_psi_reg_disp_tiny): Same.
4799 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
4801         Implement attribute progmem on reduced Tiny cores by adding
4802         flash offset 0x4000 to respective symbols.
4804         PR target/71948
4805         * doc/extend.texi (AVR Variable Attributes) [progmem]: Add
4806         documentation how it works on reduced Tiny cores.
4807         (AVR Named Address Spaces): No support for reduced Tiny.
4808         * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): New macro.
4809         (avr_address_tiny_pm_p): New static function.
4810         (avr_print_operand_address) [AVR_TINY]: Add AVR_TINY_PM_OFFSET
4811         if the address is in progmem.
4812         (avr_assemble_integer): Same.
4813         (avr_encode_section_info) [AVR_TINY]: Set AVR_SYMBOL_FLAG_TINY_PM
4814         for symbol_ref in progmem.
4815         * config/avr/avr.h (AVR_TINY_PM_OFFSET): New macro.
4816         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use it instead of
4817         magic 0x4000 when built-in def'ing __AVR_TINY_PM_BASE_ADDRESS__.
4819 2016-07-20  Patrick Palka  <ppalka@gcc.gnu.org>
4821         * configure.ac (thin_archive_support): New variable.  AC_SUBST it.
4822         * configure: Regenerate.
4823         * Makefile.in (THIN_ARCHIVE_SUPPORT): New variable.
4824         (USE_THIN_ARCHIVES): New variable.
4825         (libbackend.a): If USE_THIN_ARCHIVES then pass T to ar to build
4826         this archive as a thin archive.
4828 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
4830         * diagnostic-show-locus.c (diagnostic_show_locus): If this is the
4831         same location as last time, don't skip if we have fix-it hints.
4832         Clarify the skipping logic by converting it from one "if" clause
4833         to repeated "if" clauses.
4834         * spellcheck-tree.c: Include "cpplib.h".
4835         (find_closest_macro_cpp_cb): Move here from c/c-decl.c.
4836         (best_macro_match::best_macro_match): New constructor.
4837         * spellcheck-tree.h (struct edit_distance_traits<cpp_hashnode *>):
4838         Move here from c/c-decl.c.
4839         (class best_macro_match): Move here from c/c-decl.c, converting
4840         from a typedef to a subclass, gaining a ctor.
4842 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
4844         * config/avr/avr-protos.h (avr_addr_space_supported_p): New prototype.
4845         * config/avr/avr.c (TARGET_ADDR_SPACE_DIAGNOSE_USAGE): New hook
4846         define...
4847         (avr_addr_space_diagnose_usage): ...and implementation.
4848         (avr_addr_space_supported_p): New function.
4849         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Only
4850         report bad address space usage if that space is supported.
4851         (avr_insert_attributes): Same.  No more complain about unsupported
4852         address spaces.
4853         * config/avr/avr-c.c (tm_p.h): Include it.
4854         (avr_cpu_cpp_builtins): Only define addr-space related built-in
4855         macro if avr_addr_space_supported_p.
4857 2016-07-20  Alexander Monakov  <amonakov@ispras.ru>
4859         * config/nvptx/nvptx.c (nvptx_option_override): Do not set
4860         flag_toplevel_reorder.
4862 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
4864         * gcc-rich-location.c
4865         (gcc_rich_location::add_fixit_misspelled_id): New overload, taking
4866         a const char *.
4867         * gcc-rich-location.h
4868         (gcc_rich_location::add_fixit_misspelled_id): Likewise.
4870 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
4872         * target.def (addr_space): Add new diagnose_usage to hook vector.
4873         * targhooks.c (default_addr_space_diagnose_usage): Add default
4874         implementation and...
4875         * targhooks.h (default_addr_space_diagnose_usage): ... its prototype.
4876         * c/c-parser.c (c_lex_one_token) [CPP_NAME]: If the token
4877         is some address space, call targetm.addr_space.diagnose_usage.
4878         * doc/tm.texi.in (Named Address Spaces): Add anchor for
4879         TARGET_ADDR_SPACE_DIAGNOSE_USAGE documentation.
4880         * doc/tm.texi: Regenerate.
4882 2016-07-20  Martin Liska  <mliska@suse.cz>
4884         PR middle-end/71898
4885         * graphite-isl-ast-to-gimple.c (later_of_the_two):
4886         Properly handly PHI stmts.
4888 2016-07-20  Bin Cheng  <bin.cheng@arm.com>
4890         PR tree-optimization/71503
4891         PR tree-optimization/71683
4892         * tree-if-conv.c (gen_phi_arg_condition): Record true predicate
4893         and break.
4895 2016-07-20  Martin Liska  <mliska@suse.cz>
4897         * doc/invoke.texi (-fipa-ra): Document when the option is
4898         disabled. Fix a typo.
4900 2016-07-20  Martin Liska  <mliska@suse.cz>
4902         * Makefile.in: Include fibonacci_heap.c
4903         * fibonacci_heap.c: New file.
4904         * fibonacci_heap.h (fibonacci_heap::insert): Use insert_node.
4905         (fibonacci_heap::union_with): Fix deletion of the second heap.
4906         * selftest-run-tests.c (selftest::run_tests): Incorporate
4907         fibonacci heap tests.
4908         * selftest.h: Declare fibonacci_heap_c_tests.
4910 2016-07-20  Martin Liska  <mliska@suse.cz>
4912         * selftest-run-tests.c (selftest::run_tests): New function.
4913         * selftest.h (sreal_c_tests): Declare.
4914         * sreal.c (sreal_verify_basics): New function.
4915         (verify_aritmetics): Likewise.
4916         (sreal_verify_arithmetics): Likewise.
4917         (verify_shifting): Likewise.
4918         (sreal_verify_shifting): Likewise.
4919         (void sreal_c_tests): Likewise.
4921 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
4923         PR rtl-optimization/71916
4924         * cfgrtl.c (contains_no_active_insn_p): Return false also for
4925         bb which have a single succ fake edge.
4927 2016-07-19  Aldy Hernandez  <aldyh@redhat.com>
4929         PR debug/71855
4930         * dwarf2out.c (gen_subprogram_die): Only call
4931         gen_unspecified_parameters_die while dumping early dwarf.
4933 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
4935         PR middle-end/71874
4936         * gimple-fold.c (fold_builtin_memory_op): Use
4937         get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
4939 2016-07-19  Uros Bizjak  <ubizjak@gmail.com>
4941         * builtins.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,
4942         HOST_WIDE_INT_1U instead of (unsigned HOST_WIDE_INT) 1,
4943         HOST_WIDE_INT_M1 instead of (HOST_WIDE_INT) -1 and
4944         HOST_WIDE_INT_M1U instead of (unsigned HOST_WIDE_INT) -1.
4945         * combine.c: Ditto.
4946         * cse.c: Ditto.
4947         * dojump.c: Ditto.
4948         * double-int.c: Ditto.
4949         * dse.c: Ditto.
4950         * dwarf2out.c: Ditto.
4951         * expmed.c: Ditto.
4952         * expr.c: Ditto.
4953         * fold-const.c: Ditto.
4954         * function.c: Ditto.
4955         * fwprop.c: Ditto.
4956         * genmodes.c: Ditto.
4957         * hwint.c: Ditto.
4958         * hwint.h: Ditto.
4959         * ifcvt.c: Ditto.
4960         * loop-doloop.c: Ditto.
4961         * loop-invariant.c: Ditto.
4962         * loop-iv.c: Ditto.
4963         * match.pd: Ditto.
4964         * optabs.c: Ditto.
4965         * real.c: Ditto.
4966         * reload.c: Ditto.
4967         * rtlanal.c: Ditto.
4968         * simplify-rtx.c: Ditto.
4969         * stor-layout.c: Ditto.
4970         * toplev.c: Ditto.
4971         * tree-ssa-loop-ivopts.c: Ditto.
4972         * tree-vect-generic.c: Ditto.
4973         * tree-vect-patterns.c: Ditto.
4974         * tree.c: Ditto.
4975         * tree.h: Ditto.
4976         * ubsan.c: Ditto.
4977         * varasm.c: Ditto.
4978         * wide-int-print.cc: Ditto.
4979         * wide-int.cc: Ditto.
4980         * wide-int.h: Ditto.
4982 2016-07-19  David Malcolm  <dmalcolm@redhat.com>
4984         * selftest.c (selftest::assert_streq): Handle NULL values of
4985         val_actual and val_expected.
4987 2016-07-19  Martin Jambor  <mjambor@suse.cz>
4989         PR fortran/71688
4990         * trans-decl.c (gfc_generate_function_code): Use cgraph_get_create_node
4991         rather than cgraph_create_node to get a call graph node.
4993 2016-07-19  Richard Biener  <rguenther@suse.de>
4995         * gimple-fold.c (get_base_constructor): Add VIEW_CONVERT case,
4996         handle all tcc_constant bases and valueize SSA names.
4997         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Handle
4998         tcc_constant bases.
5000 2016-07-19  David Malcolm  <dmalcolm@redhat.com>
5002         * function-tests.c (selftest::verify_three_block_rtl_cfg): Verify
5003         the flags of the exit block and bb2, not just the entry block.
5005 2016-07-19  Richard Biener  <rguenther@suse.de>
5007         PR tree-optimization/71901
5008         * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
5009         align member, group stuff with the bitfield.
5010         (vn_ref_op_align_unit): New inline.
5011         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): For ARRAY_REFs
5012         record element alignment and operand 3 unchanged.
5013         (ao_ref_init_from_vn_reference): Adjust.
5014         (valueize_refs_1): Likewise.
5015         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
5017 2016-07-19  Richard Biener  <rguenther@suse.de>
5019         PR tree-optimization/71908
5020         * tree-ssa-structalias.c (get_constraint_for_component_ref): Handle
5021         symbolic constants in a more reliable way.
5023 2016-07-19  Ilya Enkovich  <ilya.enkovich@intel.com>
5025         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Update
5026         comment.
5027         (vect_update_inits_of_drs): Likewise.
5028         (vect_create_cond_for_alias_checks): Likewise.
5029         * tree-vect-loop.c (vect_get_known_peeling_cost): Likewise.
5031 2016-07-19  Richard Biener  <rguenther@suse.de>
5033         PR lto/71907
5034         * lto-streamer-out.c (DFS::DFS_write_tree_body): For blocks
5035         with an abstract origin that is not an inlined function outer
5036         scope add a self-reference as abstract origin.
5037         * tree-streamer-out.c (write_ts_block_tree_pointers): Likewise.
5039 2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5041         PR target/71493
5042         * config/rs6000/rs6000.c (rs6000_function_value): Fix
5043         unintentional System V.4 structure return breakage for structures
5044         with a single floating point element.
5046 2016-07-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
5048         PR tree-optimization/71734
5049         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Add REF_LOOP argument which
5050         contains REF, use it to check safelen, assume that safelen value
5051         must be greater 1, fix style.
5052         (ref_indep_loop_p_2): Add REF_LOOP argument.
5053         (ref_indep_loop_p): Pass LOOP as additional argument to
5054         ref_indep_loop_p_2.
5056 2016-07-18  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5058         * cfgexpand.c (expand_stack_vars): Implement synamic stack space
5059         allocation in the prologue.
5060         * explow.c (get_dynamic_stack_base): New function to return an address
5061         expression for the dynamic stack base.
5062         (get_dynamic_stack_size): New function to do the required dynamic stack
5063         space size calculations.
5064         (allocate_dynamic_stack_space): Use new functions.
5065         (align_dynamic_address): Move some code from
5066         allocate_dynamic_stack_space to new function.
5067         * explow.h (get_dynamic_stack_base, get_dynamic_stack_size): Export.
5069 2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5071         * config/s390/s390.c (s390_encode_section_info): Always set
5072         notaligned marker if mode size is 0 or no MEM_ALIGN info could be
5073         found.
5075 2016-07-18  Richard Biener  <rguenther@suse.de>
5077         PR tree-optimization/71893
5078         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Compensate
5079         for sizetype cast added by array_ref_element_size.
5080         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5082 2016-07-16  John David Anglin  <danglin@gcc.gnu.org>
5084         * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
5085         register parameters.  Remove code to initialize argument pointer
5086         on TARGET_64BIT.  Optimize call to _mcount when it can be reached
5087         using a pc-relative branch.  Cleanup conditional code.
5088         * config/pa/pa.md (call_mcount): New expander.
5089         (call_mcount_nonpic): New insn.
5090         (call_mcount_pic): New insn and split.
5091         (call_mcount_pic_post_reload): New insn.
5092         (call_mcount_64bit): New insn and split.
5093         (call_mcount_64bit_post_reload): New insn.
5095 2016-07-15  Georg-Johann Lay  <avr@gjlay.de>
5097         * config/avr/predicates.md (const_m255_to_m1_operand): New.
5098         * config/avr/constraints.md (Cn8, Ca1, Co1, Yx2): New constraints.
5099         * config/avr/avr.md (add<mode>3) <ALL1>: Fix set_vzn for +/-2.
5100         (*cmphi.zero-extend.0, *cmphi.zero-extend.1)
5101         (*usum_widenqihi3, *udiff_widenqihi3)
5102         (*addhi3_zero_extend.const): New combiner insns.
5103         (andqi3, iorqi3): Provide "l" (NO_LD_REGS) alternative if
5104         just 1 bit is affected.
5105         * config/avr/avr.c (avr_out_bitop) <QImode>: Don't access xop[3].
5106         (avr_out_compare) [EQ,NE]: Tweak comparing d-regs against -1.
5108 2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>
5110         * omp-low.c (lower_omp_target): Mark data clauses with
5111         GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
5112         zero-length subarrays.
5114 2016-07-15  Richard Biener  <rguenther@suse.de>
5116         PR tree-optimization/71881
5117         * tree-loop-distribution.c (destroy_loop): Remove blocks in
5118         reverse DOM order to make debug temp generation happy.
5120 2016-07-15  Richard Biener  <rguenther@suse.de>
5122         PR tree-optimization/71887
5123         * tree-ssa-phiopt.c (absorbing_element_p): Add rhs arg and
5124         verify it is not zero for division / modulo handling.
5125         (value_replacement): Adjust.
5127 2016-07-15  Virendra Pathak  <virendra.pathak@broadcom.com>
5128             Julian Brown  <julian@codesourcery.com>
5130         * config/aarch64/aarch64-cores.def: Update vulcan COSTS.
5131         * config/aarch64/aarch64-cost-tables.h
5132         (vulcan_extra_costs): New variable.
5133         * config/aarch64/aarch64.c
5134         (vulcan_addrcost_table): Likewise.
5135         (vulcan_regmove_cost): Likewise.
5136         (vulcan_vector_cost): Likewise.
5137         (vulcan_branch_cost): Likewise.
5138         (vulcan_tunings): Likewise.
5140 2016-07-15  Alexander Monakov  <amonakov@ispras.ru>
5142         * cgraphunit.c (cgraph_order_sort_kind): New entry ORDER_VAR_UNDEF.
5143         (output_in_order): Loop over undefined variables too.  Output them
5144         via assemble_undefined_decl.  Skip variables that correspond to hard
5145         registers or have value-exprs.
5146         * varpool.c (symbol_table::output_variables): Handle undefined
5147         variables together with defined ones.
5149 2016-07-15  Richard Biener  <rguenther@suse.de>
5151         * tree-ssa-pre.c (get_representative_for): Make sure to return
5152         the value number of SSA names.
5153         (phi_translate_1): get_representative_for cannot return NULL.
5154         (do_pre_regular_insertion): Remove redundant call to
5155         fully_constant_expression.
5156         (do_pre_partial_partial_insertion): Likewise.
5158 2016-07-15  Bin Cheng  <bin.cheng@arm.com>
5160         * tree-scalar-evolution.c (simple_iv_with_niters): New funcion.
5161         (derive_simple_iv_with_niters): New function.
5162         (simple_iv): Rewrite using simple_iv_with_niters.
5163         * tree-scalar-evolution.h (simple_iv_with_niters): New decl.
5164         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
5165         function.
5166         (number_of_iterations_exit): Rewrite using above function.
5167         * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
5168         Decl.
5170 2016-07-15  Richard Biener  <rguenther@suse.de>
5172         * config/i386/i386.c (ix86_builtin_vectorization_cost): Adjust
5173         vec_construct cost.
5175 2016-07-14  Jakub Jelinek  <jakub@redhat.com>
5177         PR tree-optimization/71872
5178         * tree-data-ref.c (get_references_in_stmt): Ignore references
5179         with is_gimple_constant get_base_address.
5181 2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5183         * config/arm/arm.h (TARGET_HAVE_LDACQ): Enable for ARMv8-M Mainline.
5184         (TARGET_HAVE_LDACQD): New macro.
5185         * config/arm/sync.md (atomic_loaddi): Use TARGET_HAVE_LDACQD rather
5186         than TARGET_HAVE_LDACQ.
5187         (arm_load_acquire_exclusivedi): Likewise.
5188         (arm_store_release_exclusivedi): Likewise.
5190 2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5192         PR rtl-optimization/71878
5193         * lra-constraints.c (match_reload): Pass information about other
5194         output operands.  Create new unique register value if matching input
5195         operand shares same register value as output operand being considered.
5196         (curr_insn_transform): Record output operands already processed.
5198 2016-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5200         PR target/65951
5201         PR tree-optimization/70923
5202         * tree-vect-patterns.c: Include mult-synthesis.h.
5203         (target_supports_mult_synth_alg): New function.
5204         (synth_lshift_by_additions): Likewise.
5205         (apply_binop_and_append_stmt): Likewise.
5206         (vect_synth_mult_by_constant): Likewise.
5207         (target_has_vecop_for_code): Likewise.
5208         (vect_recog_mult_pattern): Use above functions to synthesize vector
5209         multiplication by integer constants.
5211 2016-07-14  Alan Modra  <amodra@gmail.com>
5213         * gcc/config/rs6000/altivec.md (altivec_mov<mode>): Disparage
5214         gpr alternatives.  Correct '*' placement on Y,r alternative.
5215         Add '*' on operand 1 of r,r alternative.
5217 2016-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5219         * expmed.c (mult_variant, choose_mult_variant): Move declaration to...
5220         * expmed.h: ... Here.
5222 2016-07-14  Jan Hubicka  <hubicka@ucw.cz>
5224         * gimple.h (stmt_can_terminate_bb_p): New function.
5225         * tree-cfg.c (need_fake_edge_p): Rename to ...
5226         (stmt_can_terminate_bb_p): ... this; return true if stmt can
5227         throw external; handle const and pure calls.
5228         * tree-ssa-loop-niter.c (loop_only_exit_p): Use it.
5230 2016-07-14  Richard Biener  <rguenther@suse.de>
5232         PR tree-optimization/71866
5233         * tree-ssa-pre.c (get_constant_for_value_id): Remove.
5234         (do_hoist_insertion): Avoid endless recursion when we
5235         didn't insert anything because we managed to simplify
5236         things down to a constant or SSA name.
5237         (fully_constant_expression): Re-write in terms of ...
5238         * tree-ssa-sccvn.h (vn_nary_simplify): ... this.  Declare.
5239         * tree-ssa-sccvn.c (vn_nary_simplify): New wrapper around
5240         vn_nary_build_or_lookup_1.
5241         (vn_nary_build_or_lookup_1): Added flag and renamed from ...
5242         (vn_nary_build_or_lookup): ... this which now wraps it.
5244 2016-07-14  Alan Modra  <amodra@gmail.com>
5246         PR target/71733
5247         * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
5248         with p9_vector override before power9-dform override.
5250 2016-07-13  Andi Kleen  <ak@linux.intel.com>
5252         * value-prof.c (gimple_value_profile_transformations): Don't run
5253         when auto_profile is on.
5255 2016-07-13  Andi Kleen  <ak@linux.intel.com>
5257         * auto-profile.c (update_inlined_ind_target,
5258         afdo_indirect_call): Print information to dump file.
5260 2016-07-13  Andrew Burgess  <andrew.burgess@embecosm.com>
5262         * genrecog.c (special_predicate_operand_p): New function.
5263         (predicate_name): Move function.
5264         (validate_pattern): Don't warn about missing mode for all
5265         define_special_predicate predicates.
5267 2016-07-13  Bin Cheng  <bin.cheng@arm.com>
5269         * tree-vect-data-refs.c (vect_no_alias_p): New function.
5270         (vect_prune_runtime_alias_test_list): Call vect_no_alias_p to
5271         resolve alias checks which are known at compilation time.
5272         Truncate vector LOOP_VINFO_MAY_ALIAS_DDRS(loop_vinfo) if all
5273         alias checks are resolved.  Move dump info for too many runtime
5274         alias checks to here...
5275         * tree-vect-loop.c (vect_analyze_loop_2): ...From here.
5277 2016-07-13  Richard Biener  <rguenther@suse.de>
5279         PR tree-optimization/24574
5280         * tree-ssa-phiopt.c (absorbing_element_p): Pass in argument
5281         position and add shift, rotate, divison and modulo support
5282         for left zero.
5283         (value_replacement): Pass in argument position to absorbing_element_p.
5285 2016-07-13  Ilya Enkovich  <ilya.enkovich@intel.com>
5287         PR ipa/71633
5288         * ipa-inline-transform.c (inline_call): Support
5289         instrumented thunks.
5291 2016-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5293         * config/arm/arm.h (TARGET_HAVE_CBZ): Define.
5294         (TARGET_IDIV): Set for all Thumb targets provided they have hardware
5295         divide feature.
5296         * config/arm/arm.md (divsi3): New unpredicable alternative for ARMv8-M
5297         Baseline.  Make initial alternative TARGET_32BIT only.
5298         (udivsi3): Likewise.
5299         * config/arm/thumb1.md (thumb1_cbz): New define_insn.
5300         * doc/sourcebuild.texi (arm_thumb1_cbz_ok): Document new effective
5301         target.
5303 2016-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5305         * config/arm/arm.h (TARGET_HAVE_MOVT): Include ARMv8-M as having MOVT.
5306         * config/arm/arm.c (arm_arch_name): (const_ok_for_op): Check MOVT/MOVW
5307         availability with TARGET_HAVE_MOVT.
5308         (thumb_legitimate_constant_p): Strip the high part of a label_ref.
5309         (thumb1_rtx_costs): Also return 0 if setting a half word constant and
5310         MOVW is available and replace (unsigned HOST_WIDE_INT) INTVAL by
5311         UINTVAL.
5312         (thumb1_size_rtx_costs): Make set of half word constant also cost 1
5313         extra instruction if MOVW is available.  Use a cost variable
5314         incremented by COSTS_N_INSNS (1) when the condition match rather than
5315         returning an arithmetic expression based on COSTS_N_INSNS.  Make
5316         constant with bottom half word zero cost 2 instruction if MOVW is
5317         available.
5318         * config/arm/arm.md (define_attr "arch"): Add v8mb.
5319         (define_attr "arch_enabled"): Set to yes if arch value is v8mb and
5320         target is ARMv8-M Baseline.
5321         (arm_movt): New unpredicable alternative for ARMv8-M Baseline.
5322         (arm_movtas_ze): Likewise.
5323         * config/arm/thumb1.md (thumb1_movdi_insn): Add ARMv8-M Baseline only
5324         alternative for constants satisfying j constraint.
5325         (thumb1_movsi_insn): Likewise.
5326         (movsi splitter for K alternative): Tighten condition to not trigger
5327         if movt is available and j constraint is satisfied.
5328         (Pe immediate splitter): Likewise.
5329         (thumb1_movhi_insn): Add ARMv8-M Baseline only alternative for
5330         constant fitting in an halfword to use MOVW.
5331         * doc/sourcebuild.texi (arm_thumb1_movt_ok): Document new ARM
5332         effective target.
5334 2016-07-13  Richard Biener  <rguenther@suse.de>
5336         PR middle-end/71104
5337         * gimplify.c (gimplify_modify_expr): Gimplify the RHS before
5338         gimplifying the LHS.  Make sure to gimplify a returning twice
5339         call LHS without using SSA names.
5341 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5343         * tree-data-ref.c (find_data_references_in_stmt): Remove
5344         unnecessary call to vec::release.
5345         (graphite_find_data_references_in_stmt): Likewise.
5346         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): Likewise.
5347         * tree-vect-stmts.c (vectorizable_condition): Likewise.
5349 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5351         * cfgexpand.c (expand_used_vars): Make the type of a local
5352         variable auto_vec.
5353         * genmatch.c (lower_for): Likewise.
5354         * haifa-sched.c (haifa_sched_init): Likewise.
5355         (add_to_speculative_block): Likewise.
5356         (create_check_block_twin): Likewise.
5357         * predict.c (handle_missing_profiles): Likewise.
5358         * tree-data-ref.c (loop_nest_has_data_refs): Likewise.
5359         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Likewise.
5360         * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk):
5361         Likewise.
5362         (maybe_lower_iteration_bound): Likewise.
5363         * tree-ssa-sccvn.c (DFS): Likewise.
5364         * tree-stdarg.c (reachable_at_most_once): Likewise.
5365         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
5366         (vectorizable_store): Likewise.
5368 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5370         * tree-ssa-sccvn.c (sccvn_dom_walker::~sccvn_dom_walker): remove.
5371         (sccvn_dom_walker): make cond_stack an auto_vec.
5373 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5375         * ree.c (struct ext_state): Make type of members auto_vec.
5376         (find_and_remove_re): Adjust.
5378 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5380         * cfgexpand.c (struct stack_vars_data): Make type of fields
5381         auto_vec.
5382         (expand_used_vars): Adjust.
5384 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5386         * ipa.c (record_cdtor_fn): Adjust.
5387         (build_cdtor_fns): Likewise.
5388         (ipa_cdtor_merge): Make static_ctors and static_dtors local
5389         variables.
5391 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5393         * genextract.c (struct accum_extract): Add constructor and make
5394         members auto_vec.
5395         (gen_insn): Adjust.
5397 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5399         * tree.c (struct free_lang_data_d): Add constructor and change
5400         types of members to ones that automatically manage resources.
5401         (fld_worklist_push): Adjust.
5402         (find_decls_types): Likewise.
5403         (find_decls_types_in_eh_region): Likewise.
5404         (free_lang_data_in_cgraph): Stop manually creating and
5405         destroying members of free_lang_data_d.
5407 2016-07-13  Uros Bizjak  <ubizjak@gmail.com>
5409         PR rtl-optimization/68961
5410         * config/i386/sse.md (movsd/movhpd to movupd peephole2s): Add new
5411         peephole variant.  Use sse_reg_operand predicates.
5413 2016-07-12  Uros Bizjak  <ubizjak@gmail.com>
5415         * config/i386/predicates.md (x86_64_immediate_operand)
5416         <case CONST_INT>: Remove unneeded truncation to DImode.
5417         <case CONST>: Ditto.
5418         (x86_64_zext_immediate_operand) <case CONST>: Ditto.
5420 2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
5422         PR target/71805
5423         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
5424         The xxperm and xxpermr instructions require that the 2nd input
5425         operand overlap with the output operand, and not the 1st.
5426         (altivec_vperm_v8hiv16qi): Likewise.
5427         (altivec_vperm_<mode>_uns_internal): Likewise.
5428         (altivec_vpermr_<mode>_internal): Likewise.
5429         (vperm_v8hiv4si): Likewise.
5430         (vperm_v16qiv8hi): Likewise.
5432 2016-07-12  Nathan Sidwell  <nathan@acm.org>
5434         * config/arm/arm.c (arm_option_override): Set MASK_SINGLE_PIC_BASE
5435         when -mno-pic-data-is-text-relative is in effect, by default.
5436         * doc/invoke.texi (mpic-data-is-text-relative): Document new
5437         behavior and clarify.
5439 2016-07-12  Martin Liska  <mliska@suse.cz>
5441         * params.def: Add avg-loop niter.
5442         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use the param.
5443         * cfgloopanal.c (expected_loop_iterations_unbounded): Likewise.
5444         * doc/invoke.texi: Document the new parameter.
5446 2016-07-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5448         PR middle-end/71700
5449         * expr.c (store_constructor): Mask sign-extended bits when widening
5450         sub-word constructor element at the start of a word.
5452 2016-07-12  Martin Liska  <mliska@suse.cz>
5454         * Makefile.in: Append rule for params-options.h.
5455         * params-options.h: New file.
5457 2016-07-12  Martin Liska  <mliska@suse.cz>
5459         * ira-build.c (mark_loops_for_removal): Properly iterate
5460         loops.
5462 2016-07-12  Steven Bosscher  <steven@gcc.gnu.org>
5463             Richard Biener  <rguenther@suse.de>
5465         PR tree-optimization/23286
5466         PR tree-optimization/70159
5467         * doc/invoke.texi: Document -fcode-hoisting.
5468         * common.opt (fcode-hoisting): New flag.
5469         * opts.c (default_options_table): Enable -fcode-hoisting at -O2+.
5470         * tree-ssa-pre.c (pre_stats): Add hoist_insert.
5471         (do_regular_insertion): Rename to ...
5472         (do_pre_regular_insertion): ... this and amend general comments
5473         on insertion strathegy.
5474         (do_partial_partial_insertion): Rename to ...
5475         (do_pre_partial_partial_insertion): ... this.
5476         (do_hoist_insertion): New function.
5477         (insert_aux): Take flags on whether to do PRE and/or hoist insertion
5478         and call do_hoist_insertion properly.
5479         (insert): Adjust.
5480         (pass_pre::gate): Enable also if -fcode-hoisting is enabled.
5481         (pass_pre::execute): Register hoist_insert stats.
5483 2016-07-12  Jakub Jelinek  <jakub@redhat.com>
5485         PR middle-end/71716
5486         * gimple-fold.c (optimize_atomic_compare_exchange_p): Return false
5487         for SCALAR_FLOAT_TYPE_P type of expected var, or if TYPE_PRECISION
5488         is different from mode's bitsize.  Small cleanup.
5490 2016-07-12  Richard Biener  <rguenther@suse.de>
5492         PR rtl-optimization/68961
5493         * fwprop.c (propagate_rtx): Allow SUBREGs of VEC_CONCAT and CONCAT
5494         to simplify to a non-constant.
5496 2016-07-11  Jakub Jelinek  <jakub@redhat.com>
5498         PR middle-end/71758
5499         * omp-low.c (expand_omp_target): Gimplify device.
5501         PR tree-optimization/71823
5502         * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
5503         to get vec_oprnds2 from op2.
5505 2016-07-11  Uros Bizjak  <ubizjak@gmail.com>
5507         * config/i386/predicates.md (x86_64_immediate_operand) <case CONST>:
5508         Hoist common subexpressions.
5509         (x86_64_zext_immediate_operand) <case CONST>: Ditto.
5511 2016-07-11  Pat Haugen  <pthaugen@us.ibm.com>
5513         PR target/71800
5514         * config/rs6000/rs6000.md (stfiwx): Change constraint to 'wu' to
5515         prevent generation of 'stxsiwx' on pre Power8 hardware.
5517 2016-07-11  David Malcolm  <dmalcolm@redhat.com>
5519         * input.c: Include cpplib.h.
5520         (selftest::temp_source_file): New class.
5521         (selftest::temp_source_file::temp_source_file): New ctor.
5522         (selftest::temp_source_file::~temp_source_file): New dtor.
5523         (selftest::should_have_column_data_p): New function.
5524         (selftest::test_should_have_column_data_p): New function.
5525         (selftest::temp_line_table): New class.
5526         (selftest::temp_line_table::temp_line_table): New ctor.
5527         (selftest::temp_line_table::~temp_line_table): New dtor.
5528         (selftest::test_accessing_ordinary_linemaps): Add case_ param; use
5529         it to create a temp_line_table.
5530         (selftest::assert_loceq): Only verify LOCATION_COLUMN for
5531         locations that are known to have column data.
5532         (selftest::line_table_case): New struct.
5533         (selftest::test_reading_source_line): Move tempfile handling
5534         to class temp_source_file.
5535         (ASSERT_TOKEN_AS_TEXT_EQ): New macro.
5536         (selftest::assert_token_loc_eq): New function.
5537         (ASSERT_TOKEN_LOC_EQ): New macro.
5538         (selftest::test_lexer): New function.
5539         (selftest::boundary_locations): New array.
5540         (selftest::input_c_tests): Call test_should_have_column_data_p.
5541         Loop over a test matrix of interesting values of location and
5542         default_range_bits, calling test_lexer on each case in the matrix.
5543         Move call to test_accessing_ordinary_linemaps into the matrix.
5544         * selftest.h (ASSERT_EQ): Reimplement in terms of...
5545         (ASSERT_EQ_AT): New macro.
5547 2016-07-11  H.J. Lu  <hongjiu.lu@intel.com>
5549         PR target/71801
5550         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
5551         Don't convert TImode in debug insn.
5553 2016-07-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5555         Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
5556         * tree-core.h (tree_base::nothrow_flag): Adjust comment.
5557         (tree_type_common::lang_flag_7): New.
5558         (tree_type_common::spare): Reduce size.
5559         * tree.h (TYPE_ALIGN_OK): Remove.
5560         (TYPE_LANG_FLAG_7): New.
5561         (get_inner_reference): Adjust header.
5562         * print-tree.c (print_node): Adjust.
5563         * expr.c (get_inner_reference): Remove parameter keep_aligning.
5564         (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust
5565         calls to get_inner_reference.
5566         (expand_expr_real_1): Adjust call to get_inner_reference.  Remove
5567         handling of TYPE_ALIGN_OK.
5568         * builtins.c (get_object_alignment_2): Adjust call to
5569         get_inner_reference.  Remove handling of VIEW_CONVERT_EXPR.
5570         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of
5571         TYPE_ALIGN_OK.
5572         * asan.c (instrument_derefs): Adjust calls to get_inner_reference.
5573         * cfgexpand.c (expand_debug_expr): Likewise.
5574         * dbxout.c (dbxout_expand_expr): Likewise.
5575         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref,
5576         loc_list_from_tree, fortran_common): Likewise.
5577         * fold-const.c (optimize_bit_field_compare,
5578         decode_field_reference, fold_unary_loc, fold_comparison,
5579         split_address_to_core_and_offset): Likewise.
5580         * gimple-laddress.c (execute): Likewise.
5581         * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise.
5582         * gimplify.c (gimplify_scan_omp_clauses): Likewise.
5583         * hsa-gen.c (gen_hsa_addr): Likewise.
5584         * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise.
5585         * tsan.c (instrument_expr): Likewise.
5586         * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise.
5587         * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK.
5588         * tree-affine.c (tree_to_aff_combination,
5589         get_inner_reference_aff): Adjust calls to get_inner_reference.
5590         * tree-data-ref.c (split_constant_offset_1,
5591         dr_analyze_innermost): Likewise.
5592         * tree-scalar-evolution.c (interpret_rhs_expr): Likewise.
5593         * tree-sra.c (ipa_sra_check_caller): Likewise.
5594         * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
5595         * tree-ssa-math-opts.c (find_bswap_or_nop_load,
5596         bswap_replace): Likewise.
5597         * tree-vect-data-refs.c (vect_check_gather,
5598         vect_analyze_data_refs): Likewise.
5599         * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise.
5600         * config/pa/pa.c (pa_emit_move_sequence): Remove handling of
5601         TYPE_ALIGN_OK.
5603 2016-07-11  David Malcolm  <dmalcolm@redhat.com>
5605         * Makefile.in (selftest-valgrind): New phony target.
5606         * function-tests.c (selftest::build_cfg): Delete pass instances
5607         created by the test.
5608         (selftest::convert_to_ssa): Likewise.
5609         (selftest::test_expansion_to_rtl): Likewise.
5610         * tree-cfg.c (selftest::test_linear_chain): Release dominator
5611         vectors.
5612         (selftest::test_diamond): Likewise.
5614 2016-07-11  Richard Biener  <rguenther@suse.de>
5616         PR tree-optimization/71816
5617         * tree-ssa-pre.c (compute_avail): Adjust alignment of ref rather
5618         than replacing all of its operands.
5620 2016-07-11  Alan Modra  <amodra@gmail.com>
5622         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
5623         (ctr<mode>): Add unspec.
5624         (ctr<mode>_internal*): Likewise.
5626 2016-07-08  James Bowman  <james.bowman@ftdichip.com>
5628         * config/ft32/ft32.c (ft32_elf_encode_section_info): New function.
5629         * config/ft32/ft32.h (ASM_OUTPUT_SYMBOL_REF): New function.
5631 2016-07-08  Vladimir Makarov  <vmakarov@redhat.com>
5633         PR rtl-optimization/71621
5634         * lra-constraints.c (process_alt_operands): Check combination of
5635         reg class and mode.
5637 2016-07-08  Jason Merrill  <jason@redhat.com>
5638             Richard Biener  <rguenther@suse.de>
5640         P0145: Refining Expression Order for C++.
5641         * gimplify.c (initial_rhs_predicate_for): New.
5642         (gimplfy_modify_expr): Gimplify RHS before LHS.
5644 2016-07-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5646         PR target/71297
5647         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5648         Allow standard error handling to take over when a wrong number
5649         of arguments is presented to __builtin_vec_ld () or
5650         __builtin_vec_st ().
5652 2016-07-08  Jiong Wang  <jiong.wang@arm.com>
5654         * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
5655         variants.
5656         (smin): Likewise.
5657         (fmax): New entry.
5658         (fmin): Likewise.
5659         * config/aarch64/arm_neon.h (vmaxnm_f32): Use
5660         __builtin_aarch64_fmaxv2sf.
5661         (vmaxnmq_f32): Likewise.
5662         (vmaxnmq_f64): Likewise.
5663         (vminnm_f32): Likewise.
5664         (vminnmq_f32): Likewise.
5665         (vminnmq_f64): Likewise.
5667 2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
5669         PR target/71806
5670         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
5671         enable -mfloat128-hardware by default.
5672         (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
5673         that IEEE 128-bit hardware support needs.
5674         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5675         -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
5676         Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
5677         floating point requires.
5678         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
5679         -mfloat128 and -mfloat128-hardware changes.
5681 2016-07-08  Alan Hayward  <alan.hayward@arm.com>
5683         PR tree-optimization/71667
5684         * tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts
5686 2016-07-08  Martin Liska  <mliska@suse.cz>
5688         PR middle-end/71606
5689         * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
5690         folding produces SAVE_EXPRs, thus return false for the type.
5692 2016-07-07  Martin Liska  <mliska@suse.cz>
5694         * file-find.c (remove_prefix): New function.
5695         * file-find.h (remove_prefix): Declare the function.
5696         * gcc-ar.c (main): Skip a folder of the wrapper if
5697         a wrapped binary would point to the same file.
5699 2016-07-07  Jan Hubicka  <jh@suse.cz>
5701         * tree-scalar-evolution.c (iv_can_overflow_p): export.
5702         * tree-scalar-evolution.h (iv_can_overflow_p): Declare.
5703         * tree-ssa-loop-ivopts.c (alloc_iv): Use it.
5705 2016-07-07  Ilya Enkovich  <ilya.enkovich@intel.com>
5707         PR ipa/71624
5708         * ipa-inline-analysis.c (compute_inline_parameters): Set
5709         local.can_change_signature to false for intrumentation
5710         thunk callees.
5712 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5714         * config/arm/arm.h (TARGET_USE_MOVT): Check MOVT/MOVW availability
5715         with TARGET_HAVE_MOVT.
5716         (TARGET_HAVE_MOVT): Define.
5717         * config/arm/arm.c (const_ok_for_op): Check MOVT/MOVW
5718         availability with TARGET_HAVE_MOVT.
5719         * config/arm/arm.md (arm_movt): Use TARGET_HAVE_MOVT to check MOVT
5720         availability.
5721         (addsi splitter): Use TARGET_THUMB && TARGET_HAVE_MOVT rather than
5722         TARGET_THUMB2.
5723         (symbol_refs movsi splitter): Remove TARGET_32BIT check.
5724         (arm_movtas_ze): Use TARGET_HAVE_MOVT to check MOVT availability.
5725         * config/arm/constraints.md (define_constraint "j"): Use
5726         TARGET_HAVE_MOVT to check MOVT availability.
5728 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5730         * config/arm/arm-protos.h: Reindent FL_FOR_* macro definitions.
5732 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5734         * config/arm/arm-arches.def (armv8-m.base): Define new architecture.
5735         (armv8-m.main): Likewise.
5736         (armv8-m.main+dsp): Likewise.
5737         * config/arm/arm-protos.h (FL_FOR_ARCH8M_BASE): Define.
5738         (FL_FOR_ARCH8M_MAIN): Likewise.
5739         * config/arm/arm-tables.opt: Regenerate.
5740         * config/arm/bpabi.h: Add armv8-m.base, armv8-m.main and
5741         armv8-m.main+dsp to BE8_LINK_SPEC.
5742         * config/arm/arm.h (TARGET_HAVE_LDACQ): Exclude ARMv8-M.
5743         (enum base_architecture): Add BASE_ARCH_8M_BASE and BASE_ARCH_8M_MAIN.
5744         * config/arm/arm.c (arm_arch_name): Increase size to work with ARMv8-M
5745         Baseline and Mainline.
5746         (arm_option_override_internal): Also disable arm_restrict_it when
5747         !arm_arch_notm.  Update comment for -munaligned-access to also cover
5748         ARMv8-M Baseline.
5749         (arm_file_start): Increase buffer size for printing architecture name.
5750         * doc/invoke.texi: Document architectures armv8-m.base, armv8-m.main
5751         and armv8-m.main+dsp.
5752         (mno-unaligned-access): Clarify that this is disabled by default for
5753         ARMv8-M Baseline architectures as well.
5755 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5757         * config/arm/elf.h: Use __ARM_ARCH_ISA_THUMB and __ARM_ARCH_ISA_ARM to
5758         decide whether to prevent some libgcc routines being included for some
5759         multilibs rather than __ARM_ARCH_6M__ and add comment to indicate the
5760         link between this condition and the one in
5761         libgcc/config/arm/lib1func.S.
5763 2016-07-07  Richard Biener  <rguenther@suse.de>
5765         * tree-ssa-pre.c: Include alias.h.
5766         (compute_avail): If we have multiple VN_REFERENCEs with the
5767         same hashtable entry adjust that to make it a valid replacement
5768         for all of them with respect to alignment and aliasing
5769         when doing insertion.
5770         * tree-ssa-sccvn.h (vn_reference_operands_for_lookup): Declare.
5771         * tree-ssa-sccvn.c (vn_reference_operands_for_lookup): New function.
5773 2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>
5775         PR target/70098
5776         PR target/71763
5777         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
5778         *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
5779         constraint.
5781 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5783         * var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
5784         (adjust_mems): Adjust.
5785         (adjust_insn): Likewise.
5786         (prepare_call_arguments): Likewise.
5788 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5790         * gcse.c (struct ls_expr): Make stores field a vector.
5791         (ldst_entry): Adjust.
5792         (free_ldst_entry): Likewise.
5793         (print_ldst_list): Likewise.
5794         (compute_ld_motion_mems): Likewise.
5795         (update_ld_motion_stores): Likewise.
5797 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5799         * gcse.c (struct ls_expr): Remove loads field.
5800         (ldst_entry): Adjust.
5801         (free_ldst_entry): Likewise.
5802         (print_ldst_list): Likewise.
5803         (compute_ld_motion_mems): Likewise.
5805 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5807         * store-motion.c (struct st_expr): Make antic_stores a vector.
5808         (st_expr_entry): Adjust.
5809         (free_st_expr_entry): Likewise.
5810         (print_store_motion_mems): Likewise.
5811         (find_moveable_store): Likewise.
5812         (compute_store_table): Likewise.
5813         (remove_reachable_equiv_notes): Likewise.
5814         (replace_store_insn): Likewise.
5815         (build_store_vectors): Likewise.
5817 2016-07-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5819         * config/arm/driver-arm.c (arm_cpu_table): Add entries for cortex-a32,
5820         cortex-a35, cortex-a53, cortex-a57, cortex-a72, cortex-a73.
5822 2016-07-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
5824         PR tree-optimization/71518
5825         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
5826         misalign also for outer loops with negative step.
5828 2016-07-06  Wilco Dijkstra  <wdijkstr@arm.com>
5830         * config/arm/cortex-a53.md: Use final_presence_set for in-order.
5831         (cortex_a53_shift): Add mov_shift.
5832         (cortex_a53_shift_reg): Add new reservation for register shifts.
5833         (cortex_a53_alu): Remove bfm.
5834         (cortex_a53_alu_shift): Add bfm, remove mov_shift.
5835         (cortex_a53_alu_extr): Add new reservation for EXTR.
5836         (bypasses): Improve bypass modelling.
5838 2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
5840         PR target/50739
5841         * config/avr/avr.c (avr_asm_select_section): Strip off
5842         SECTION_DECLARED from flags when calling get_section.
5844 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
5846         * tree-vectorizer.h (vect_memory_access_type): Add
5847         VMAT_INVARIANT, VMAT_CONTIGUOUS_DOWN and VMAT_CONTIGUOUS_REVERSED.
5848         * tree-vect-stmts.c (compare_step_with_zero): New function.
5849         (perm_mask_for_reverse): Move further up file.
5850         (get_group_load_store_type): Stick to VMAT_ELEMENTWISE if the
5851         step is negative.
5852         (get_negative_load_store_type): New function.
5853         (get_load_store_type): Call it.  Add an ncopies argument.
5854         (vectorizable_mask_load_store): Update call accordingly and
5855         remove tests for negative steps.
5856         (vectorizable_store, vectorizable_load): Likewise.  Handle new
5857         memory_access_types.
5859 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
5861         * tree-vectorizer.h (vect_memory_access_type): New enum.
5862         (_stmt_vec_info): Add a memory_access_type field.
5863         (STMT_VINFO_MEMORY_ACCESS_TYPE): New macro.
5864         (vect_model_store_cost): Take an access type instead of a boolean.
5865         (vect_model_load_cost): Likewise.
5866         * tree-vect-slp.c (vect_analyze_slp_cost_1): Update calls to
5867         vect_model_store_cost and vect_model_load_cost.
5868         * tree-vect-stmts.c (vec_load_store_type): New enum.
5869         (vect_model_store_cost): Take an access type instead of a
5870         store_lanes_p boolean.  Simplify tests.
5871         (vect_model_load_cost): Likewise, but for load_lanes_p.
5872         (get_group_load_store_type, get_load_store_type): New functions.
5873         (vectorizable_store): Use get_load_store_type.  Record the access
5874         type in STMT_VINFO_MEMORY_ACCESS_TYPE.
5875         (vectorizable_load): Likewise.
5876         (vectorizable_mask_load_store): Likewise.  Replace is_store
5877         variable with vls_type.
5879 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
5881         * tree-vectorizer.h (vect_grouped_load_supported): Add a
5882         single_element_p parameter.
5883         * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
5884         Check the PR65518 case here rather than in vectorizable_load.
5885         * tree-vect-loop.c (vect_analyze_loop_2): Update call accordignly.
5886         * tree-vect-stmts.c (vectorizable_load): Likewise.
5888 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
5890         * tree-vectorizer.h (gather_scatter_info): New structure.
5891         (vect_check_gather_scatter): Return a bool rather than a decl.
5892         Replace return-by-pointer arguments with a single
5893         gather_scatter_info *.
5894         * tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
5895         (vect_analyze_data_refs): Update call accordingly.
5896         * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
5897         (vectorizable_mask_load_store): Likewise.  Also record the
5898         offset dt and vectype in the gather_scatter_info.
5899         (vectorizable_store): Likewise.
5900         (vectorizable_load): Likewise.
5902 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
5904         * tree-vect-stmts.c (vect_model_store_cost): For non-SLP
5905         strided groups, use the cost of N scalar accesses instead
5906         of ncopies vector accesses.
5907         (vect_model_load_cost): Likewise.
5909 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
5911         * tree-vect-stmts.c (vect_cost_group_size): Delete.
5912         (vect_model_store_cost): Avoid calling it.  Use first_stmt_p
5913         variable to indicate when once-per-group costs are being used.
5914         (vect_model_load_cost): Likewise.  Fix comment and misindented code.
5916 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
5918         * tree-vect-stmts.c (vectorizable_load): Remove unnecessary
5919         peeling-for-gaps condition.
5921 2016-07-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5923         * config/s390/s390.c (s390_expand_vec_init): Force initializer
5924         element to register if it doesn't match general_operand.
5926 2016-07-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
5927             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5929         * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
5930         prototype.
5931         * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
5932         * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
5933         (SIGNBIT): New mode iterator.
5934         (Fsignbit): New mode attribute.
5935         (signbit<mode>2): Change operand1 to match FLOAT128 instead of
5936         IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
5937         when direct moves are available.
5938         (signbit<mode>2_dm): New define_insn_and_split).
5939         (signbit<mode>2_dm2): New define_insn.
5941 2016-07-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5943         PR rtl-optimization/71594
5944         * ifcvt.c (noce_convert_multiple_sets): Wrap new_val or old_val
5945         into subregs of appropriate mode before trying to emit a conditional
5946         move.
5948 2016-07-05  Jan Hubicka  <jh@suse.cz>
5950         * tree-scalar-evolution.c (iv_can_overflow_p): New function.
5951         (simple_iv): Use it.
5953 2016-07-05  Jan Hubicka  <jh@suse.cz>
5955         * tree-ssa-loop-niter.c (nowrap_type_p): Use ANY_INTEGRAL_TYPE_P.
5957 2016-07-05  Jiong Wang  <jiong.wang@arm.com>
5959         * lra-constraints.c (process_alt_operands): Don't add spilling cost for
5960         "offmemok".
5962 2016-07-05  Jan Hubicka  <jh@suse.cz>
5964         * tree-scalar-evoluiton.c (simple_iv): Use nowrap_type to check if
5965         IV can overflow.
5967 2016-07-05  Richard Biener  <rguenther@suse.de>
5969         * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_pa):
5970         Handle empty else block.
5971         (is_feasible_trace): Likewise.
5972         (split_paths): Likewise.
5974 2016-07-05  Richard Biener  <rguenther@suse.de>
5976         * tree-loop-distribution.c (distribute_loop): Fix issue with
5977         the cost model loop.
5979 2016-07-05  Christophe Lyon  <christophe.lyon@linaro.org>
5981         * config/arm/neon-testgen.ml: Delete.
5982         * config/arm/neon.ml: Delete.
5984 2016-07-04  Jakub Jelinek  <jakub@redhat.com>
5986         PR c++/71739
5987         * tree.c (attribute_value_equal): Use get_attribute_name instead of
5988         directly using TREE_PURPOSE.
5990 2016-07-04  Jiong Wang  <jiong.wang@arm.com>
5992         * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
5993         * config/aarch64/aarch64_neon.h: Likewise.
5994         * config/aarch64/arm_neon.h: Likewise.
5995         * config/aarch64/atomics.md: Likewise.
5996         * config/aarch64/aarch64-simd-builtins.def: Likewise.
5997         * doc/invoke.texi: Likewise.
5999 2016-07-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6001         * config/s390/s390.md: Add "z13" cpu_facility.
6002         ("*mov<mode>cc"): Add support for z13 instructions lochi and locghi.
6003         * config/s390/predicates.md ("loc_operand"): New predicate for "load on
6004         condition" type instructions.
6006 2016-07-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6007             Jeff Law  <law@redhat.com>
6009         * explow.c (allocate_dynamic_stack_space): Simplify knowing that
6010         MUST_ALIGN was always true and extra_align ist always BITS_PER_UNIT.
6012 2016-07-04  Yuri Rumyantsev  <ysrumyan@gmail.com>
6014         * config/i386/i386.c (ix86_expand_vec_perm): Add handle one-operand
6015         permutation for TARGET_AVX512F.
6016         (ix86_expand_vec_one_operand_perm_avx512): New function.
6017         (expand_vec_perm_1): Invoke introduced function.
6018         * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
6019         it may be not valid after vectorization.
6021 2016-07-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6023         PR target/63874
6024         * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix
6025         typo in comment.  Only force to memory if it is a weak
6026         external reference.
6028 2016-07-04  Matthew Wahab  <matthew.wahab@arm.com>
6029             Jiong Wang  <jiong.wang@arm.com>
6031         * config/aarch64/aarch64-arches.def: Add "armv8.2-a".
6032         * config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
6033         (AARCH64_FL_F16): New.
6034         (AARCH64_FL_FOR_ARCH8_2): New.
6035         (AARCH64_ISA_8_2): New.
6036         (AARCH64_ISA_F16): New.
6037         (TARGET_FP_F16INST): New.
6038         (TARGET_SIMD_F16INST): New.
6039         * config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
6040         ("fp"): Disabling "fp" also disables "fp16".
6041         * config/aarch64/aarch64-c.c (arch64_update_cpp_builtins):
6042         Conditionally define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC
6043         and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
6044         * doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".
6046 2016-07-04  Jan Beulich  <jbeulich@suse.com>
6048         * gcc.c (default_compilers["@c-header"]): Conditionalize "-o".
6050 2016-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
6052         PR target/71720
6053         * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
6054         the insns, use an insn form that does not adjust the offset on
6055         little endian systems.
6057 2016-07-01  Jan Beulich  <jbeulich@suse.com>
6059         * varasm.c (get_variable_section): Validate initializer in
6060         named .bss-like sections.
6062 2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6064         * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
6065         Exchange the order of the second and third operands in the vpermr
6066         instruction tmeplate.
6068 2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
6070         PR target/71698
6071         * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move):
6072         Disallow TDmode values.
6074 2016-07-01  Alan Modra  <amodra@gmail.com>
6076         PR rtl-optimization/71709
6077         * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
6078         being set, not referenced.
6080 2016-07-01  Yuri Rumyantsev  <ysrumyan@gmail.com>
6082         PR tree-optimization/70729
6083         * tree-vectorizer.c (adjust_simduid_builtins): Nullify safelen field
6084         of loop since it can be not valid after transformation.
6086 2016-07-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6088         * config/arm/arm.c (thumb_reload_in_hi): Delete.
6089         * config/arm/arm-protos.h (thumb_reload_in_hi): Delete prototype.
6091 2016-07-01  Eric Botcazou  <ebotcazou@adacore.com>
6093         * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
6094         for NULL decl.
6096 2016-06-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
6098         PR target/71677
6099         * config/rs6000/constraints.md (wY constraint): New constraint to
6100         match the requirements for the LXSD and STXSD instructions.
6101         * config/rs6000/predicates.md (offsettable_mem_14bit_operand): New
6102         predicate to match the requirements for the LXSD and STXSD
6103         instructions.
6104         * config/rs6000/rs6000.md (mov<mode>_hardfloat32, FMOVE64 case):
6105         Use constaint wY for LXSD/STXSD instructions instead of 'o' or 'Y'
6106         to make sure that the bottom 2 bits of offset are 0, the address
6107         form is offsettable, and no updating is done in the address mode.
6108         (mov<mode>_hardfloat64, FMOVE64 case): Likewise.
6109         (movdi_internal32): Likewise
6110         (movdi_internal64): Likewise.
6112 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
6114         PR tree-optimization/71707
6115         * tree-ssa-strlen.c (get_stridx_plus_constant): Handle already present
6116         strinfo even for ADDR_EXPR ptr.
6118 2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6120         * config/rs6000/altivec.md (darn_32): Change the condition to
6121         TARGET_P9_MISC instead of TARGET_MODULO.
6122         (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
6123         condition expression.
6124         (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
6125         condition expression.
6126         * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
6127         (DFP_TEST): New code iterator.
6128         (dfptstsfi_<code>_mode>): New define_expand.
6129         (*dfp_sgnfcnc_<mode>): New define_insn.
6130         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
6131         definition next to BU_P9_MISC_1 definition and change the MASK
6132         value to RS6000_BTM_P9_MISC.
6133         (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
6134         (BU_P9_64BIT_MISC_0): Likewise.
6135         (BU_P9_DFP_MISC_0): New macro definition.
6136         (BU_P9_DFP_MISC_1): New macro definition.
6137         (BU_P9_DFP_MISC_2): New macro definition.
6138         (BU_P9_DFP_OVERLOAD_1): New macro definition.
6139         (BU_P9_DFP_OVERLOAD_2): New macro definition.
6140         (BU_P9_DFP_OVERLOAD_3): New macro definition.
6141         (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
6142         (TSTSFI_LT_TD): Likewise.
6143         (TSTSFI_EQ_DD): Likewise.
6144         (TSTSFI_EQ_TD): Likewise.
6145         (TSTSFI_GT_DD): Likewise.
6146         (TSTSFI_GT_TD): Likewise.
6147         (TSTSFI_OV_DD): Likewise.
6148         (TSTSFI_OV_TD): Likewise.
6149         (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
6150         (TSTSFI_LT_DD): Likewise.
6151         (TSTSFI_LT_TD): Likewise.
6152         (TSTSFI_EQ): Likewise.
6153         (TSTSFI_EQ_DD): Likewise.
6154         (TSTSFI_EQ_TD): Likewise.
6155         (TSTSFI_GT): Likewise.
6156         (TSTSFI_GT_DD): Likewise.
6157         (TSTSFI_GT_TD): Likewise.
6158         (TSTSFI_OV): Likewise.
6159         (TSTSFI_OV_DD): Likewise.
6160         (TSTSFI_OV_TD): Likewise.
6161         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6162         overloaded test significance functions.
6163         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
6164         OPTION_MASK_P9_MISC into the representation of this mask.
6165         (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
6166         of this mask.
6167         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
6168         RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
6169         non-zero.
6170         (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
6171         argument is a 6-bit unsigned literal value if the icode argument
6172         represents a DFP test significance built-in call.
6173         (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
6174         flag used independently and in combination with the
6175         RS6000_BTM_64BIT flag.
6176         (rs6000_opt_masks): Add entry for power9-misc command-line option.
6177         (rs6000_builtin_mask_names): Add entry for power9-misc
6178         command-line option.
6179         * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
6180         HAVE_AS_POWER9 is not a defined macro.  Define MASK_P9_MISC and
6181         RS6000_BTM_P9_MISC macros.
6182         * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
6183         option and change the description of the -mpower9-vector option to
6184         enable only vector instructions, removing its erroneously claimed
6185         support for scalar instructions.
6186         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
6187         the ISA 3.0 digital floating point test significance built-in
6188         functions.
6190 2016-06-30  Wilco Dijkstra  <wdijkstr@arm.com>
6192         * config/aarch64/aarch64.c (cortexa35_tunings):
6193         Enable AES fusion.  Use cortexa57_branch_cost.
6194         (cortexa53_tunings): Use cortexa57_branch_cost.
6195         (cortexa72_tunings): Use cortexa57_branch_cost.
6196         Use AUTOPREFETCHER_WEAK.
6197         (cortexa73_tunings): Use cortexa57_branch_cost.
6199 2016-06-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6200             James Greenhalgh  <james.greenhalgh@arm.com>
6202         * config/aarch64/arm_neon.h (vcopyq_lane_f32, vcopyq_lane_f64,
6203         vcopyq_lane_p8, vcopyq_lane_p16, vcopyq_lane_s8, vcopyq_lane_s16,
6204         vcopyq_lane_s32, vcopyq_lane_s64, vcopyq_lane_u8, vcopyq_lane_u16,
6205         vcopyq_lane_u32, vcopyq_lane_u64): Reimplement in C.
6206         (vcopy_lane_f32, vcopy_lane_f64, vcopy_lane_p8, vcopy_lane_p16,
6207         vcopy_lane_s8, vcopy_lane_s16, vcopy_lane_s32, vcopy_lane_s64,
6208         vcopy_lane_u8, vcopy_lane_u16, vcopy_lane_u32, vcopy_lane_u64,
6209         vcopy_laneq_f32, vcopy_laneq_f64, vcopy_laneq_p8, vcopy_laneq_p16,
6210         vcopy_laneq_s8, vcopy_laneq_s16, vcopy_laneq_s32, vcopy_laneq_s64,
6211         vcopy_laneq_u8, vcopy_laneq_u16, vcopy_laneq_u32, vcopy_laneq_u64,
6212         vcopyq_laneq_f32, vcopyq_laneq_f64, vcopyq_laneq_p8, vcopyq_laneq_p16,
6213         vcopyq_laneq_s8, vcopyq_laneq_s16, vcopyq_laneq_s32, vcopyq_laneq_s64,
6214         vcopyq_laneq_u8, vcopyq_laneq_u16, vcopyq_laneq_u32, vcopyq_laneq_u64):
6215         New intrinsics.
6217 2016-06-30  James Greenhalgh  <james.greenhalgh@arm.com>
6218             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6220         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
6221         New define_insn.
6222         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
6224 2016-06-30  David Malcolm  <dmalcolm@redhat.com>
6226         PR driver/71651
6227         * gcc.c (driver::build_option_suggestions): Pass "option" to
6228         add_misspelling_candidates.
6229         * opts-common.c (add_misspelling_candidates): Add "option" param;
6230         use it to avoid adding negated forms for options marked with
6231         RejectNegative.
6232         * opts.h (add_misspelling_candidates): Add "option" param.
6234 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
6236         PR middle-end/71693
6237         * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
6238         TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
6239         first when permuting bitwise operation with rotate.  Cast
6240         TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
6242 2016-06-29  David Malcolm  <dmalcolm@redhat.com>
6244         * opts.c (handle_param): Use find_param_fuzzy to offer suggestions
6245         for misspelled param names.
6246         * params.c: Include spellcheck.h.
6247         (find_param_fuzzy): New function.
6248         * params.h (find_param_fuzzy): New prototype.
6249         * spellcheck.c (struct edit_distance_traits<const char *>): Move to...
6250         * spellcheck.h (struct edit_distance_traits<const char *>):
6251         ...here.
6253 2016-06-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
6255         * config/rs6000/predicates.md (const_0_to_7_operand): New
6256         predicate, recognize 0..7.
6257         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
6258         support for doing extracts from V16QImode, V8HImode, V4SImode
6259         under ISA 3.0.
6260         * config/rs6000/vsx.md (VSX_EXTRACT_I): Mode iterator for ISA 3.0
6261         vector extract support.
6262         (VSX_EXTRACT_PREDICATE): Mode attribute to validate element number
6263         for ISA 3.0 vector extract.
6264         (VSX_EX): Constraints to use for ISA 3.0 vector extract.
6265         (vsx_extract_<mode>, VSX_EXTRACT_I): Add support for doing
6266         extracts of a constant element number from small integer vectors
6267         on 64-bit ISA 3.0 systems.
6268         (vsx_extract_<mode>_di): Likewise.
6269         * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): New target macro to
6270         say when we can do ISA 3.0 vector extracts.
6271         * config/rs6000/rs6000.md (stfiwx): Allow DImode in Altivec
6272         registers, using the stxsiwx instruction.
6274 2016-06-29  Jim Wilson  <jim.wilson@linaro.org>
6276         * config/aarch64/aarch64-cores.def (qdf24xx): Use qdf24xx tuning.
6277         * config/aarch64/aarch64.c (qdf24xx_addrcost_table,
6278         qdf24xx_regmove_cost, qdf24xx_tunings): New.
6279         * config/arm/aarch64-cost-tables.h (qdf24xx_extra_costs): New.
6280         * config/arm/arm-cores.def (qdf24xx): Use qdf24xx tuning.
6281         * config/arm/arm.c (arm_qdf24xx_tune): New.
6283 2016-06-29  Wilco Dijkstra  <wdijkstr@arm.com>
6285         * config/aarch64/aarch64.c (cortexa53_tunings):
6286         Increase loop alignment to 8.  Set function alignment to 16.
6287         (cortexa35_tunings): Likewise.
6288         (cortexa57_tunings): Increase loop alignment to 8.
6289         (cortexa72_tunings): Likewise.
6290         (cortexa73_tunings): Likewise.
6292 2016-06-29  Matthew Wahab  <matthew.wahab@arm.com>
6294         * doc/sourcebuild.texi (Effective-Target keywords): Add entries
6295         for arm_fp16_ok and arm_fp16_hw.
6296         (Add Options): Add entries for arm_fp16, arm_fp16_ieee and
6297         arm_fp16_alternative.
6299 2016-06-29  Ilya Enkovich  <ilya.enkovich@intel.com>
6301         PR tree-optimization/71655
6302         * tree-vect-stmts.c (vectorizable_comparison): Swap definition
6303         types when swapping operands.
6305 2016-06-29  Martin Liska  <mliska@suse.cz>
6307         PR middle-end/71585
6308         * common.opt (flag_stack_protect): Mark the flag as optimization flag.
6309         * ipa-inline-transform.c (inline_call): Remove unnecessary call
6310         of build_optimization_node.
6312 2016-06-29  Yuri Rumyantsev  <ysrumyan@gmail.com>
6314         PR tree-optimization/70729
6315         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
6316         independent in loops having positive safelen value.
6317         * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
6318         it may be not valid after vectorization.
6320 2016-06-29  Jakub Jelinek  <jakub@redhat.com>
6322         PR tree-optimization/71625
6323         * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument.  Assume list
6324         is sorted by ascending list->offset.  If PTR is non-NULL and there is
6325         previous strinfo, call get_stridx_plus_constant.
6326         (get_stridx): Pass exp as second argument to get_addr_stridx.
6327         (addr_stridxptr): Add missing list = list->next, so that there can be
6328         more than one entries in the list.  Bump limit from 16 to 32.  Ensure
6329         the list is sorted by ascending list->offset.
6330         (get_stridx_plus_constant): Adjust so that it can be also called with
6331         ADDR_EXPR instead of SSA_NAME as PTR.
6332         (handle_char_store): Pass NULL_TREE as second argument to
6333         get_addr_stridx.
6335 2016-06-29  Richard Biener  <rguenther@suse.de>
6337         PR rtl-optimization/68961
6338         * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
6340 2016-06-29  Richard Biener  <rguenther@suse.de>
6342         PR middle-end/71002
6343         * alias.c (component_uses_parent_alias_set_from): Handle
6344         type punning through union accesses by using the union alias set.
6345         * gimple.c (gimple_get_alias_set): Remove union type punning case.
6347 2016-07-29  Richard Biener  <rguenther@suse.de>
6349         * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
6350         precision not matching mode precision.
6352 2016-06-28  John David Anglin  <danglin@gcc.gnu.org>
6354         * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
6355         pa_output_arg_descriptor.
6356         (call_val_symref_64bit_post_reload): Likewise.
6357         (call_val_powf_64bit_post_reload): Likewise.
6358         (sibcall_internal_symref_64bit): Likewise.
6359         (sibcall_value_internal_symref_64bit): Likewise.
6361 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
6363         PR middle-end/71626
6364         * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
6365         a constant, force its SUBREG_REG into memory or register instead
6366         of whole op1.
6368 2016-06-28  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
6370         PR target/58655
6371         * config/avr/avr.opt (-mfract-convert-truncate): Update description.
6372         * doc/invoke.texi (AVR Options): Document it.
6374 2016-06-28  Walter Lee  <walt@tilera.com>
6376         * config/tilegx/linux.h: Do not include arch/icache.h
6377         (CLEAR_INSN_CACHE): Provide inlined definition directly.
6378         * config/tilepro/linux.h: Do not include arch/icache.h
6379         (CLEAR_INSN_CACHE): Provide inlined definition directly.
6381 2016-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
6383         * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
6384         for big-endian BIT_FIELD_REF.
6386 2016-06-28  Pat Haugen  <pthaugen@us.ibm.com>
6388         * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
6389         ('size' attribute): Add '128'.
6390         Include power9.md.
6391         (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
6392         *movdi_internal64, *movdf_update1): Set size attribute to '64'.
6393         (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
6394         copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
6395         *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
6396         extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
6397         *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
6398         *trunc<mode>df2_odd): Set size attribute to '128'.
6399         (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
6400         * config/rs6000/power6.md (power6-fp): Include dfp type.
6401         * config/rs6000/power7.md (power7-fp): Likewise.
6402         * config/rs6000/power8.md (power8-fp): Likewise.
6403         * config/rs6000/power9.md: New file.
6404         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
6405         * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
6406         *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
6407         htmsimple.
6408         * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
6409         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
6410         divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
6411         ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
6412         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
6413         dfp_dscri_<mode>): Change type attribute to dfp.
6414         * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
6415         attribute to vecsimple.
6416         * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
6417         and prefetch streams.
6418         (rs6000_option_override_internal): Remove temporary code setting
6419         tuning to power8.  Don't set rs6000_sched_groups for power9.
6420         (last_scheduled_insn): Change to rtx_insn *.
6421         (divide_cnt, vec_load_pendulum): New variables.
6422         (rs6000_adjust_cost): Add Power9 to test for store->load separation.
6423         (rs6000_issue_rate): Set issue rate for Power9.
6424         (is_power9_pairable_vec_type): New.
6425         (power9_sched_reorder2): New.
6426         (rs6000_sched_reorder2): Call new function for Power9 specific
6427         reordering.
6428         (insn_must_be_first_in_group): Remove Power9.
6429         (insn_must_be_last_in_group): Likewise.
6430         (force_new_group): Likewise.
6431         (rs6000_sched_init): Fix initialization of last_scheduled_insn.
6432         Initialize divide_cnt/vec_load_pendulum.
6433         (_rs6000_sched_context, rs6000_init_sched_context,
6434         rs6000_set_sched_context): Handle context save/restore of new
6435         variables.
6437 2016-06-28  Richard Biener  <rguenther@suse.de>
6439         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
6440         Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
6441         COMPONENT_REF operand.
6442         (nonoverlapping_component_refs_p): Likewise.
6443         * stor-layout.c (start_bitfield_representative): Mark
6444         DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
6446 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
6448         * Makefile.in: Don't cat ../stage_current if it does not exist.
6450         * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
6451         last argument is a bit-field.
6453         PR rtl-optimization/71673
6454         * internal-fn.c (expand_arith_overflow_result_store): Use
6455         OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
6456         expand_simple_binop.
6458         PR middle-end/66867
6459         * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
6460         expand_ifn_atomic_compare_exchange): New functions.
6461         * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
6462         * tree.h (build_call_expr_internal_loc): Rename to ...
6463         (build_call_expr_internal_loc_array): ... this.  Fix up type of
6464         last argument.
6465         * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
6466         * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
6467         ATOMIC_COMPARE_EXCHANGE result.
6468         * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
6469         * gimple-fold.h (optimize_atomic_compare_exchange_p,
6470         fold_builtin_atomic_compare_exchange): New prototypes.
6471         * gimple-fold.c (optimize_atomic_compare_exchange_p,
6472         fold_builtin_atomic_compare_exchange): New functions..
6473         * tree-ssa.c (execute_update_addresses_taken): If
6474         optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
6475         of call when finding addressable vars, and if such var becomes
6476         non-addressable, call fold_builtin_atomic_compare_exchange.
6478 2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
6480         PR target/71670
6481         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
6482         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
6484 2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
6486         * config/rs6000/rs6000.md ('type' attribute): Add
6487         veclogical,veccmpfx,vecexts,vecmove insn types.
6488         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
6489         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
6490         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
6491         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
6492         *nabs<mode>2_hw): Change type to vecmove.
6493         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
6494         *boolcc<mode>3_internal, *eqv<mode>3_internal,
6495         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
6496         *ieee_128bit_vsx_abs<mode>2_internal,
6497         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
6498         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
6499         *ieee128_mtvsrd_32bit): Change type to veclogical.
6500         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
6501         *movdi_internal32, *movdi_internal64): Update insn types.
6502         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
6503         vsx_extract_<mode>): Change type to veclogical.
6504         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
6505         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
6506         *vsx_sign_extend_si_v2di): Change type to vecexts.
6507         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
6508         type to veclogical.
6509         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
6510         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
6511         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
6512         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
6513         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
6514         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
6515         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
6516         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
6517         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
6518         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
6519         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
6520         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
6521         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
6522         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
6523         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
6524         (ppc7450-vecsimple): Add veclogical, vecmove.
6525         (ppc7450-veccmp): Add veccmpfx.
6526         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
6527         vecmove.
6528         (ppc8540_vector_compare): Add veccmpfx.
6529         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
6530         * config/rs6000/cell.md (cell-fp): Add fpsimple.
6531         (cell-vecsimple): Add veclogical, vecmove.
6532         (cell-veccmp): Add veccmpfx.
6533         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
6534         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
6535         veccmpfx.
6536         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
6537         * config/rs6000/power4.md (power4-fp): Add fpsimple.
6538         (power4-vecsimple): Add veclogical, vecmove.
6539         (power4-veccmp): Add veccmpfx.
6540         * config/rs6000/power5.md (power5-fp): Add fpsimple.
6541         * config/rs6000/power6.md (power6-fp): Add fpsimple.
6542         (power6-vecsimple): Add veclogical, vecmove.
6543         (power6-veccmp): Add veccmpfx.
6544         * config/rs6000/power7.md (power7-fp): Add fpsimple.
6545         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
6546         * config/rs6000/power8.md (power8-fp): Add fpsimple.
6547         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
6548         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
6549         * config/rs6000/titan.md (titan_fp): Add fpsimple.
6550         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
6551         fpsimple.
6552         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
6554 2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
6556         PR target/71656
6557         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
6558         OPTION_MASK_P9_DFORM_VECTOR.
6559         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
6560         disable -mpower9-dform-vector when using reload.
6561         (quad_address_p): Remove 'gpr_p' argument and all associated code.
6562         New 'strict' argument.  Update all callers.  Add strict addressing
6563         support.
6564         (rs6000_legitimate_offset_address_p): Remove call to
6565         virtual_stack_registers_memory_p.
6566         (rs6000_legitimize_reload_address): Add quad address support.
6567         (rs6000_legitimate_address_p): Move call to quad_address_p above
6568         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
6569         to account for new strict usage.
6570         (rs6000_output_move_128bit): Adjust quad_address_p args to account
6571         for new strict usage.
6572         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
6574 2016-06-26  Uros Bizjak  <ubizjak@gmail.com>
6576         PR target/70902
6577         PR target/71453
6578         PR target/71555
6579         PR target/71596
6580         PR target/71657
6581         * config/i386/i386.c (ix86_spill_class): Disable condition to
6582         always return NO_REGS.
6584 2016-06-26  Jan Hubicka  <hubicka@ucw.cz>
6586         * predict.c: Include gimple-pretty-print.h
6587         (predicted_by_loop_heuristics_p): Check also
6588         PRED_LOOP_EXIT_WITH_RECURSION
6589         (predict_loops): Find self recursive calls and use special purpose
6590         predictors for them; dump log about decisions.
6591         (pass_profile::execute): Dump info about #of iterations.
6592         * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
6593         (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
6595 2016-06-26  John David Anglin  <danglin@gcc.gnu.org>
6597         * config/pa/pa.c (pa_output_indirect_call): Rework to combine
6598         output_asm_insn calls and shorten long lines.  Output .CALL
6599         argument descriptor using pa_output_arg_descriptor.  Add various
6600         inline $$dyncall and other optimizations.
6601         (pa_attr_length_indirect_call): Adjust ordering and lengths.
6603 2016-06-25  Jakub Jelinek  <jakub@redhat.com>
6605         PR tree-optimization/71643
6606         * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
6607         EH preds.
6609         * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
6610         leak a bitmap if dep_bb is NULL.
6612         PR tree-optimization/71631
6613         * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
6614         to rewrite_expr_tree even if negate_result, move new_lhs var
6615         declaration and initialization earlier, for powi_result set afterwards
6616         new_lhs to lhs.  For negate_result, use new_lhs instead of tmp
6617         if new_lhs != lhs, and don't shadow gsi var.
6619 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
6621         * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
6622         Add in_loop parameter.
6623         (predict_loops): Add loop guard heuristics.
6624         * predict.def (PRED_LOOP_GUARD): New heuristics.
6626 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
6628         * predict.c: Include ipa-utils.h
6629         (tree_bb_level_prediction): Predict recursive calls.
6630         (tree_estimate_probability_bb): Skip inexpensive calls for call
6631         predictor.
6632         * predict.def (PRED_RECURSIVE_CALL): New.
6634 2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6636         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
6637         (BU_FLOAT128_1): Likewise.
6638         (FABSQ): Likewise.
6639         (COPYSIGNQ): Likewise.
6640         (RS6000_BUILTIN_NANQ): Likewise.
6641         (RS6000_BUILTIN_NANSQ): Likewise.
6642         (RS6000_BUILTIN_INFQ): Likewise.
6643         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
6644         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
6645         (TARGET_FOLD_BUILTIN): New #define.
6646         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
6647         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
6648         (rs6000_fold_builtin): New target hook implementation, handling
6649         folding of 128-bit NaNs and infinities.
6650         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
6651         entries are filled in to avoid problems during bootstrap
6652         self-test; define builtins for 128-bit NaNs and infinities.
6653         (rs6000_opt_mask): Add entry for float128.
6654         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
6655         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
6656         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
6657         (const_str_type_node): New #define.
6658         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
6659         to a define_expand that dispatches to either copysign<mode>3_soft
6660         or copysign<mode>3_hard.
6661         (copysign<mode>3_hard): Rename from copysign<mode>3.
6662         (copysign<mode>3_soft): New define_insn.
6663         * doc/extend.texi: Document new builtins.
6665 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
6667         * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
6668         PRIu64 instead of lu.
6670 2016-06-24  Eric Botcazou  <ebotcazou@adacore.com>
6672         PR debug/71642
6673         * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
6674         copy the type name.
6676 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
6678         PR tree-optimization/71647
6679         * omp-low.c (lower_rec_input_clauses): Convert
6680         omp_clause_aligned_alignment (c) to size_type_node for the
6681         last argument of __builtin_assume_aligned.
6683 2016-06-24  H.J. Lu  <hongjiu.lu@intel.com>
6685         * configure.ac (calling ___tls_get_addr via GOT): New
6686         assembler/linker check.
6687         (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New.  Defined to 1 if 32-bit
6688         assembler and linker supports calling ___tls_get_addr via GOT.
6689         Otherise, defined to 0.
6690         * config.in: Regenerated.
6691         * configure: Likewise.
6692         * config/i386/constraints.md (Yb): New constraint.
6693         * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
6694         (REG_CLASS_NAMES): Likewise.
6695         (REG_CLASS_CONTENTS): Likewise.
6696         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
6697         the b constraint with the Yb constraint.  Call ___tls_get_addr
6698         via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
6699         is 1.
6700         (*tls_local_dynamic_base_32_gnu): Likewise.
6701         (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
6702         GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
6703         (*tls_local_dynamic_base_64_<mode>): Likewise.
6705 2016-06-24  Martin Liska  <mliska@suse.cz>
6707         * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
6708         * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
6709         few functions.
6710         * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
6711         argument to true if the expected number of iterations is
6712         loop-based.
6714 2016-06-24  Uros Bizjak  <ubizjak@gmail.com>
6716         * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
6717         assemble for 32bit target.
6718         (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
6719         and $ld_ix86_gld_32_opt to link for 32bit target.
6720         (HAVE_AS_IX86_TLSLDMPLT): Ditto.
6721         * configure: Regenerate.
6723 2016-06-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6725         * config/arm/arm.c (int_log2): Delete definition and prototype.
6726         (shift_op): Use exact_log2 instead of int_log2.
6727         (vfp3_const_double_for_fract_bits): Likewise.
6729 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
6731         * internal-fn.c (expand_arith_set_overflow): New function.
6732         (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
6733         Use it.
6734         (expand_arith_overflow_result_store): Likewise.  Handle precision
6735         smaller than mode precision.
6736         * tree-vrp.c (extract_range_basic): For imag part, handle
6737         properly signed 1-bit precision result.
6738         * doc/extend.texi (__builtin_add_overflow): Document that last
6739         argument can't be pointer to enumerated or boolean type.
6740         (__builtin_add_overflow_p): Document that last argument can't
6741         have enumerated or boolean type.
6743 2016-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
6744             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6746         * config/rs6000/predicates.md (splat_input_operand): Rework.
6747         Don't allow constants, since the insns that use this predicate
6748         don't support constants.  Constants are handled by other insns
6749         that are created via combine.  During and after register
6750         allocation, only allow indexed or indirect addresses, and not
6751         general addresses.  Only allow modes supported by the hardware.
6752         * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
6753         comment.  Move check for using VSPLTIS<x> to a common location,
6754         instead of doing it in two different places.
6756 2016-06-23  Jocelyn Mayer  <l_indien@magic.fr>
6758         * config/i386/driver-i386.c (host_detect_local_cpu): Set
6759         PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
6760         <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
6761         signature_CENTAUR_ebx.
6763 2016-06-23  H.J. Lu  <hongjiu.lu@intel.com>
6765         PR target/66232
6766         PR target/67400
6767         * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
6768         (as_ix86_gas_32_opt): This.
6769         (ld_ix86_tls_ldm_opt): Renamed to ...
6770         (ld_ix86_gld_32_opt): This.
6771         (R_386_TLS_LDM reloc): Updated.
6772         (R_386_GOT32X reloc): New assembler/linker check.
6773         (HAVE_AS_IX86_GOT32X): New.  Defined to 1 if 32-bit assembler and
6774         linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT".  Otherise,
6775         defined to 0.
6776         * config.in: Regenerated.
6777         * configure: Likewise.
6778         * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
6779         true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
6780         (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
6781         if ix86_force_load_from_GOT_p returns true.
6782         (ix86_print_operand_address_as): Also support UNSPEC_GOT if
6783         ix86_force_load_from_GOT_p returns true.
6784         (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
6785         the external function address via the GOT slot.
6786         (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
6787         HAVE_AS_IX86_GOT32X before returning false.
6788         (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
6789         32-bit mode if ix86_nopic_noplt_attribute_p returns true.
6791 2016-06-23  Eric Botcazou  <ebotcazou@adacore.com>
6793         * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
6795 2016-06-23  Andi Kleen  <ak@linux.intel.com>
6797         * Makefile.in: Regenerate.
6798         * doc/install.texi: Document autoprofiledbootstrap.
6800 2016-06-23  Andi Kleen  <ak@linux.intel.com>
6802         * config/i386/gcc-auto-profile: New file.
6804 2016-06-23  Martin Liska  <mliska@suse.cz>
6806         PR middle-end/71619
6807         * predict.c (predict_loops): Revert the hunk that was removed
6808         in r237103.
6810 2016-06-23  Jakub Sejdak  <jakub.sejdak@phoesys.com>
6812         * config.gcc: Add support for arm*-*-phoenix* targets.
6813         * config/arm/t-phoenix: New.
6814         * config/phoenix.h: New.
6816 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
6817             H.J. Lu  <hongjiu.lu@intel.com>
6819         PR target/67400
6820         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
6821         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
6822         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
6823         ix86_force_load_from_GOT_p returns true.
6824         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
6825         ix86_force_load_from_GOT_p returns true.
6826         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
6827         ix86_force_load_from_GOT_p returns true.
6828         (ix86_expand_move): Load the external function address via the
6829         GOT slot if ix86_force_load_from_GOT_p returns true.
6830         * config/i386/predicates.md (x86_64_immediate_operand): Return
6831         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
6832         (x86_64_zext_immediate_operand): Ditto.
6834 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
6836         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
6838 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
6840         PR c/70339
6841         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
6842         * diagnostic.c (pedwarn_at_rich_loc): New function.
6843         * spellcheck.h (best_match::best_match): Add a
6844         "best_distance_so_far" optional parameter.
6845         (best_match::set_best_so_far): New method.
6846         (best_match::get_best_distance): New accessor.
6847         (best_match::get_best_candidate_length): New accessor.
6849 2016-06-22  Nick Clifton  <nickc@redhat.com>
6851         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
6852         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
6853         modes are accepted as well.
6854         (ucompare_loc_descriptor): Likewise.
6855         (minmax_loc_descriptor): Likewise.
6856         (clz_loc_descriptor): Likewise.
6857         (popcount_loc_descriptor): Likewise.
6858         (bswap_loc_descriptor): Likewise.
6859         (rotate_loc_descriptor): Likewise.
6860         (mem_loc_descriptor): Likewise.
6861         (loc_descriptor): Likewise.
6863 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
6865         * common.opt (fdiagnostics-parseable-fixits): New option.
6866         * diagnostic.c: Include "selftest.h".
6867         (print_escaped_string): New function.
6868         (print_parseable_fixits): New function.
6869         (diagnostic_report_diagnostic): Call print_parseable_fixits.
6870         (selftest::assert_print_escaped_string): New function.
6871         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
6872         (selftest::test_print_escaped_string): New function.
6873         (selftest::test_print_parseable_fixits_none): New function.
6874         (selftest::test_print_parseable_fixits_insert): New function.
6875         (selftest::test_print_parseable_fixits_remove): New function.
6876         (selftest::test_print_parseable_fixits_replace): New function.
6877         (selftest::diagnostic_c_tests): New function.
6878         * diagnostic.h (struct diagnostic_context): Add field
6879         "parseable_fixits_p".
6880         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
6881         -fdiagnostics-parseable-fixits.
6882         (-fdiagnostics-parseable-fixits): New option.
6883         * opts.c (common_handle_option): Handle
6884         -fdiagnostics-parseable-fixits.
6885         * selftest-run-tests.c (selftest::run_tests): Call
6886         selftest::diagnostic_c_tests.
6887         * selftest.h (selftest::diagnostic_c_tests): New prototype.
6889 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
6891         PR tree-optimization/71488
6892         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
6893         comparison of boolean vectors.
6894         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
6895         of boolean vectors using bitwise operations.
6897 2016-06-22  Andreas Schwab  <schwab@suse.de>
6899         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
6900         Remove declaration.
6902 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
6904         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
6906 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6908         * config/i386/i386.c (print_reg): Emit an error message on attempt to
6909         print FLAGS_REG.
6911 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6913         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
6914         * config/arm/arm-cores.def (cortex-a73): New entry.
6915         (cortex-a73.cortex-a35): Likewise.
6916         (cortex-a73.cortex-a53): Likewise.
6917         * config/arm/arm-tables.opt: Regenerate.
6918         * config/arm/arm-tune.md: Likewise.
6919         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
6920         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
6921         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
6922         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
6923         * doc/invoke.texi (ARM Options): Document cortex-a73,
6924         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
6926 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6928         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
6929         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
6930         (cortex-a73.cortex-a35): Likewise.
6931         (cortex-a73.cortex-a53): Likewise.
6932         * config/aarch64/aarch64-tune.md: Regenerate.
6933         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
6934         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
6935         -mcpu and -mtune.
6937 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6939         * configure.ac (gcc_cv_as_compress_debug): Remove
6940         --compress-debug-sections as extra as switch.
6941         Handle gas --compress-debug-sections=type.
6942         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
6943         Handle gld --compress-debug-sections=type.
6944         * configure: Regenerate.
6946 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
6948         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
6950 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
6952         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
6953         (do_rewrite): likewise.
6955 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6957         * common/config/mep/mep-common.c: Remove.
6958         * config.gcc: Remove mep-* support.
6959         * config/mep/constraints.md: Remove.
6960         * config/mep/default.h: Remove.
6961         * config/mep/intrinsics.h: Remove.
6962         * config/mep/intrinsics.md: Remove.
6963         * config/mep/ivc2-template.h: Remove.
6964         * config/mep/mep-c5.cpu: Remove.
6965         * config/mep/mep-core.cpu: Remove.
6966         * config/mep/mep-default.cpu: Remove.
6967         * config/mep/mep-ext-cop.cpu: Remove.
6968         * config/mep/mep-intrin.h: Remove.
6969         * config/mep/mep-ivc2.cpu: Remove.
6970         * config/mep/mep-pragma.c: Remove.
6971         * config/mep/mep-protos.h: Remove.
6972         * config/mep/mep.c: Remove.
6973         * config/mep/mep.cpu: Remove.
6974         * config/mep/mep.h: Remove.
6975         * config/mep/mep.md: Remove.
6976         * config/mep/mep.opt: Remove.
6977         * config/mep/predicates.md: Remove.
6978         * config/mep/t-mep: Remove.
6979         * doc/install.texi: Remove mep-* documentation.
6980         * doc/md.texi: Likewise.
6982 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6984         * config.gcc: Remove support for avr-rtems.
6985         * config/avr/gen-avr-mmcu-specs.c: Likewise.
6986         * config/avr/rtems.h: Remove.
6987         * config/avr/t-rtems: Remove.
6989 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6991         * config.gcc: Remove m32r-rtems support.
6992         * config/m32r/rtems.h: Remove.
6994 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6996         * config.gcc: Remove h8300-rtems support.
6997         * config/h8300/rtems.h: Remove.
6998         * config/h8300/t-rtems: Remove.
7000 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7002         * config.gcc: Remove support for knetbsd.
7003         * configure.ac: Likewise.
7004         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
7005         * config/knetbsd-gnu.h: Remove.
7006         * configure: Regenerate.
7008 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7010         * config.gcc: Remove support for openbsd 2 and 3.
7011         * config/openbsd-oldgas.h: Remove.
7013 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7015         * config.gcc: Remove interix support.
7016         * config/i386/i386-interix.h: Remove.
7017         * config/i386/interix.opt: Remove.
7018         * config/i386/t-interix: Remove.
7019         * configure: Regenerate.
7020         * configure.ac: Remove interix support.
7021         * doc/install.texi: Remove interix documentation.
7023 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7025         * config/rs6000/rs6000.h: Add conditional preprocessing directives
7026         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
7027         not defined.
7029 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
7031         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
7032         they are both PLACEHOLDER_EXPRs.
7034 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
7036         * stor-layout.c (layout_type): Move setting complex MODE to
7037         layout_type, instead of setting it ahead of time by the caller.
7038         * tree.c (build_complex_type): Likewise.
7040 2016-06-21  Martin Liska  <mliska@suse.cz>
7042         * predict.c (force_edge_cold): Replace imposisble with
7043         impossible.
7045 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
7047         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
7048         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
7050 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
7052         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
7054 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
7055             Ilya Enkovich  <ilya.enkovich@intel.com>
7057         PR target/71549
7058         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
7059         New member function to convert V1TImode register to SUBREG
7060         TImode in debug insn.
7061         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
7062         after changing register mode to V1TImode.
7064 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
7066         * config/aarch64/aarch64-cores.def (vulcan): New core.
7067         * config/aarch64/aarch64-tune.md: Regenerate.
7068         * doc/invoke.texi: Document vulcan as an available option.
7070 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
7072         * cse.c (canon_asm_operands): New function extracted from...
7073         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
7074         either standalone or member of a PARALLEL.
7076 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
7078         PR target/30417
7079         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
7080         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
7081         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
7083 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
7085         PR target/71103
7086         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
7087         constant addresses if can_create_pseudo_p.
7089 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
7091         PR tree-optimization/71588
7092         * tree-ssa-strlen.c (valid_builtin_call): New function.
7093         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
7094         it.
7096 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
7098         PR middle-end/71581
7099         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
7100         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
7101         for conversion of scalar user var to complex type and use the
7102         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
7103         punt.
7105         PR rtl-optimization/71591
7106         * toplev.c (toplev::run_self_tests): If no_backend, complain and
7107         don't run any tests.
7109 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
7111         PR target/71571
7112         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
7113         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
7114         space for PIC with non-v32 and the common non-PIC "jump".
7116 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
7118         PR target/71559
7119         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
7120         returned values and add UN*/LTGT/*ORDERED cases with values matching
7121         D operand modifier on vcmp for AVX.
7123 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
7125         * config/aarch64/aarch64.opt
7126         (mpc-relative-literal-loads): Rename internal option name.
7127         * config/aarch64/aarch64.c
7128         (aarch64_nopcrelative_literal_loads): Rename to
7129         aarch64_pcrelative_literal_loads.
7130         (aarch64_expand_mov_immediate): Likewise.
7131         (aarch64_secondary_reload): Likewise.
7132         (aarch64_can_use_per_function_literal_pools_p): Likewise.
7133         (aarch64_override_options_after_change_1): Rename and simplify logic.
7134         (aarch64_classify_symbol): Merge large model checks into switch,
7135         remove pc-relative load check.
7137 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
7139         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
7140         costs relative to the cost of a register move.
7142 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
7144         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
7145         (vcvt_n_f64_u64): Likewise.
7146         (vcvt_n_s64_f64): Likewise.
7147         (vcvt_n_u64_f64): Likewise.
7148         (vcvt_f64_s64): Likewise.
7149         (vrecpe_f64): Likewise.
7150         (vcvt_f64_u64): Likewise.
7151         (vrecps_f64): Likewise.
7153 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
7155         * config/aarch64/aarch64.md
7156         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
7157         iterators.
7158         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
7159         attributes.
7160         * config/aarch64/aarch64-builtins.c
7161         (aarch64_types_binop_uss_qualifiers): Delete.
7162         (TYPES_BINOP_USS): Likewise.
7163         (aarch64_types_binop_sus_qualifiers): Likewise.
7164         (TYPES_BINOP_SUS): Likewise.
7165         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
7166         (TYPES_FCVTIMM_SUS): Likewise.
7167         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
7168         rather than BINOP.
7169         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
7170         (fcvtzs): Use SHIFTIMM rather than BINOP.
7171         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
7173 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
7175         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
7176         costs relative to the cost of a register move.
7178 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
7180         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
7181         Allow scalar/single vector modes to be tieable.
7183 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
7185         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
7187 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7189         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
7190         "alignement".
7191         * tree.h (TYPE_ALIGN): Likewise.
7193 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
7195         PR target/71103
7196         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
7198 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
7200         * config/avr/avr.c (avr_print_operand): Fix "format not a string
7201         literal" build warnings.
7202         (avr_print_operand_address): Dito.
7204 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
7206         PR target/71375
7207         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
7208         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
7210 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
7212         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
7214 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
7216         PR bootstrap/71435
7217         * reload1.c (reload): Pass 0 to finish_spills when called because
7218         update_eliminables_and_spill returns true and remove did_spill.
7219         (finish_spills): Adjust comment and document GLOBAL parameter.
7221 2016-06-17  DJ Delorie  <dj@redhat.com>
7223         PR target/71338
7224         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
7225         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
7226         (umulqihi3_virt): Likewise.
7227         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
7228         (umulqihi3_real): Likewise.
7230 2016-06-17  Martin Liska  <mliska@suse.cz>
7232         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
7234 2016-06-17  Martin Liska  <mliska@suse.cz>
7236         * predict.def: PRED_LOOP_EXIT from 92 to 85.
7238 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
7240         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
7241         __FAST_MATH__.
7242         (vaddq_f32): Likewise.
7243         (vmul_f32): Likewise.
7244         (vmulq_f32): Likewise.
7245         (vsub_f32): Likewise.
7246         (vsubq_f32): Likewise.
7248 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
7250         PR tree-optimization/71347
7251         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
7252         cost for all uses in group.
7254 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
7256         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
7257         insert gimple seq if it's not empty.
7259 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
7261         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
7262         member OFFSET.
7263         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
7264         rather than OFFSET.
7265         (comp_dr_with_seg_len_pair): Ditto.
7266         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
7267         struct dr_with_seg_len_pair against DR_OFFSET.
7268         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
7269         DR_OFFSET directly.
7271 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7273         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
7275 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
7277         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
7278         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
7279         (pa_output_millicode_call): Likewise.
7280         (pa_output_call): Likewise.
7281         (pa_output_indirect_call): Likewise.
7282         (pa_asm_output_mi_thunk): Likewise.
7284 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7286         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
7288 2016-06-16  Martin Liska  <mliska@suse.cz>
7290         * predict.c (combine_predictions_for_insn): When we find a first
7291         match predictor, we should consider just predictors with
7292         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
7293         DS theory predictor.
7294         (combine_predictions_for_bb): Likewise.
7296 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
7298         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
7299         with base of reference to struct.
7301 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
7303         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
7305 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7307         PR target/71151
7308         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
7309         progmem_swtable_section.
7310         (progmem_swtable_section): Remove.
7311         (avr_asm_function_rodata_section): Remove.
7312         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
7313         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
7315 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
7317         * config/i386/driver-i386.c (host_detect_local_cpu): Set
7318         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
7319         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
7320         signature_CENTAUR_ebx.
7321         * config/i386/i386.c (ix86_option_override_internal): Add
7322         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
7323         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
7324         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
7326 2016-06-16  Martin Liska  <mliska@suse.cz>
7328         * predict.def: Add fortran loop preheader predictor.
7329         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
7330         fold IFN_BUILTIN_EXPECT with a known constant argument.
7332 2016-06-16  Martin Liska  <mliska@suse.cz>
7334         * predict.def: Add 'Fortran' to display text of all
7335         PRED_FORTRAN_* predictors.
7337 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
7339         PR target/71242
7340         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
7341         [IA64_BUILTIN_NANSQ]: Ditto.
7342         (ia64_fold_builtin): New function.
7343         (TARGET_FOLD_BUILTIN): New define.
7344         (ia64_init_builtins) Declare const_string_type node.
7345         Add __builtin_nanq and __builtin_nansq builtin functions.
7346         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
7348 2016-06-16  Nick Clifton  <nickc@redhat.com>
7350         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
7351         MSP430_HWMULT_ prefix to enum values.
7352         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
7353         * config/msp430/msp430.c: Update use of enum values.
7354         * config/msp430/msp430.md: Likewise.
7355         * config/msp430/msp430.opt: Likewise.
7357 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
7359         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
7360         of comparsions in the last iteration.
7362 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
7363             Joern Rennecke  <joern.rennecke@embecosm.com>
7365         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
7366         addresses.
7367         (arc_needs_pcl_p): Add GOTOFFPC.
7368         (arc_legitimate_pic_addr_p): Likewise.
7369         (arc_output_pic_addr_const): Likewise.
7370         (arc_legitimize_pic_address): Generate a pc-relative address using
7371         GOTOFFPC.
7372         (arc_output_libcall): Use @pcl syntax.
7373         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
7374         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
7375         (*movsi_insn): Use @pcl syntax.
7376         (doloop_begin_i): Likewise.
7378 2016-06-16  Martin Liska  <mliska@suse.cz>
7380         * predict.def: Define a new predictor.
7382 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
7384         * config/arc/arc.opt (mtp-regno): Update text.
7386 2016-06-16  Renlin Li  <renlin.li@arm.com>
7388         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
7390 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
7392         PR target/71554
7393         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
7394         (setcc + and peephole2): Likewise.
7396         PR rtl-optimization/71532
7397         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
7398         memory slots.
7400 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
7402         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
7403         DImode constants with XXSPLTIB in vector registers.
7404         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
7405         vsx_extract_<mode>_internal{1,2} into a single insn that handles
7406         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
7407         extraction of the element at the top of the register as a scalar
7408         value.
7409         (vsx_extract_<mode>_internal1): Likewise.
7410         (vsx_extract_<mode>_internal2): Likewise.
7411         * config/rs6000/constraints.md (wi constraint): Remove a comment
7412         about DImode not being allowed in Altivec registers.
7413         (wB constraint): New constraint for constants that can be
7414         generated in Altivec registers with VSPLTISW/VUPKHSW.
7415         * config/rs6000/predicates.md (xxspltib_constant_split): Update
7416         comments.
7417         (xxspltib_constant_nosplit): Likewise.
7418         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
7419         support for -mupper-regs-di to enable DImode to go into Altivec
7420         registers.
7421         (POWERPC_MASKS): Likewise.
7422         (power7 cpu): Likewise.
7423         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
7424         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
7425         for DImode being allowed in Altivec registers.  Update wi/wj
7426         constraints.  Set scalar_in_vmx_p flag.
7427         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
7428         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
7429         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
7430         (rs6000_opt_masks): Add -mupper-regs-di.
7431         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
7432         direct move to use wi and not wj.
7433         (lfiwzx): Likewise.
7434         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
7435         alternative.
7436         (floatunssi<mode>2_lfiwzx_mem): Likewise.
7437         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
7438         any VSX register, instead of just Altivec registers, to allow
7439         either operand to be an Altivec register or both.
7440         (fixuns_trunc<mode>di2_fctiduz): Likewise.
7441         (movdi_internal32): Add support for -mupper-regs-di.  Add support
7442         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
7443         the alternatives and attributes to be lined up to be easier to
7444         read.
7445         (movdi_internal64): Likewise.
7446         (64-bit DImode splitters): Change predicates to only split loading
7447         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
7448         load constants in ISA 3.0 or ISA 2.07 respectively.
7449         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
7450         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
7451         mention -mcpu=power9 sets these options.
7452         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
7453         wB constraint.
7455 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
7457         PR target/67353
7458         * config/avr/avr.c (avr_set_current_function): Warn misspelled
7459         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
7460         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
7461         by default to warn misspelled interrupt/ signal handler.
7462         * doc/invoke.texi (AVR Options): Document it. Update description
7463         for -nodevicelib option.
7465 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7467         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
7468         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
7469         (aarch64_<sur>shll2_n<mode>): Likewise.
7471 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
7473         PR middle-end/71529
7474         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
7475         DECL_CONTEXT for copied arguments.
7477 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
7479         PR tree-optimization/71483
7480         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
7481         for slp
7483 2016-06-15  Martin Liska  <mliska@suse.cz>
7485         * predict.c (tree_predict_by_opcode): Call predict_edge_def
7486         instead of predict_edge w/o a probability.
7488 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
7490         PR tree-optimization/71439
7491         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
7492         live PHIs.
7494 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7496         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
7497         register subregs in SET_SRC.
7499 2016-06-15  Richard Biener  <rguenther@suse.de>
7501         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
7502         store restrictions.
7504 2016-06-15  Richard Biener  <rguenther@suse.de>
7506         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
7507         not consider dependences between accesses that belong to the
7508         same group.
7509         (vect_analyze_data_ref_dependences): Do not analyze read-read
7510         or self-dependences.
7512 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
7514         * spellcheck-tree.c: Include spellcheck-tree.h rather than
7515         spellcheck.h.
7516         (find_closest_identifier): Reimplement in terms of
7517         best_match<tree,tree>.
7518         * spellcheck-tree.h: New file.
7519         * spellcheck.c (struct edit_distance_traits<const char *>): New
7520         struct.
7521         (find_closest_string): Reimplement in terms of
7522         best_match<const char *, const char *>.
7523         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
7524         overload to spellcheck-tree.h.
7525         (find_closest_identifier): Likewise.
7526         (struct edit_distance_traits<T>): New template.
7527         (class best_match): New class.
7529 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
7531         * selftest-run-tests.c (selftest::run_tests): Call
7532         selftest::spellcheck_tree_c_tests.
7533         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
7534         * spellcheck-tree.c: Include selftest.h and stringpool.h.
7535         (selftest::test_find_closest_identifier): New function.
7536         (selftest::spellcheck_tree_c_tests): New function.
7537         * spellcheck.c (selftest::test_find_closest_string): Verify that
7538         the order of the vec does not affect the results for this case.
7539         (selftest::test_data): New array.
7540         (selftest::test_metric_conditions): New function.
7541         (selftest::spellcheck_c_tests): Add a test of case-comparison.
7542         Call selftest::test_metric_conditions.
7544 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7546         * config/rs6000/rs6000-builtin.def (commentary): Typo.
7547         (BU_P9_MISC_1): Likewise.
7548         (BU_P9_64BIT_MISC_0): Likewise.
7549         (BU_P9_MISC_0): Likewise.
7551 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
7553         * gcc-rich-location.c
7554         (gcc_rich_location::add_fixit_misspelled_id): New method.
7555         * gcc-rich-location.h
7556         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
7558 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
7560         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
7561         FreeBSD 11 and above.
7563 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
7565         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
7567 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7569         * expmed.h: Close parenthesis in "at your option" in copyright
7570         boilerplate.
7571         * lower-subreg.h: Likewise.
7573 2016-06-14  Richard Biener  <rguenther@suse.de>
7575         PR middle-end/71526
7576         * genmatch.c (expr::gen_transform): Use in_type for comparisons
7577         if available.
7579 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7581         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
7582         New function.
7583         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
7584         mask+shift version.
7585         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
7586         New prototype.
7587         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
7588         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
7590 2016-06-14  Richard Biener  <rguenther@suse.de>
7592         PR tree-optimization/71522
7593         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
7594         copying into float copying.
7596 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
7598         PR tree-optimization/71520
7599         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
7600         (replace_block_by): Move user labels from bb1 to bb2.
7602 2016-06-14  Richard Biener  <rguenther@suse.de>
7604         PR middle-end/71310
7605         PR bootstrap/71510
7606         * expr.h (get_bit_range): Declare.
7607         * expr.c (get_bit_range): Export.
7608         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
7609         word_mode again to constrain the bitfield access.
7611 2016-06-14  Richard Biener  <rguenther@suse.de>
7613         PR tree-optimization/71521
7614         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
7615         division int_const_binop against zero divisor.
7617 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
7619         * config/i386/i386.md (signbittf2): New expander.
7620         * config/i386/sse.md (ptesttf2): New insn pattern.
7622 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
7624         PR bootstrap/71481
7625         * input.c (selftest::test_reading_source_line): Avoid reading from
7626         __FILE__ by creating a tempfile with known content and reading
7627         from that instead.
7629 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
7631         * pretty-print.c (assert_pp_format_colored): Skip the test if
7632         GCC_COLORS is set.
7633         (test_pp_format): Remove comment about GCC_COLORS.
7635 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
7637         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
7638         * pretty-print.c (assert_pp_format_va): Add location param and use
7639         it with ASSERT_STREQ_AT.
7640         (assert_pp_format): Add location param and pass it to
7641         assert_pp_format_va.
7642         (assert_pp_format_colored): Likewise.
7643         (ASSERT_PP_FORMAT_1): New.
7644         (ASSERT_PP_FORMAT_2): New.
7645         (ASSERT_PP_FORMAT_3): New.
7646         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
7647         explicitly, or implicitly via the above macros.
7648         * selftest.c (selftest::pass): Use a selftest::location rather
7649         than file and line.
7650         (selftest::fail): Likewise.  Print the function name.
7651         (selftest::fail_formatted): Likewise.
7652         (selftest::assert_streq): Use a selftest::location rather than
7653         file and line.
7654         * selftest.h (selftest::location): New struct.
7655         (SELFTEST_LOCATION): New macro.
7656         (selftest::pass): Accept a const location & rather than file
7657         and line.
7658         (selftest::fail): Likewise.
7659         (selftest::fail_formatted): Likewise.
7660         (selftest::assert_streq): Likewise.
7661         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
7662         (ASSERT_FALSE): Likewise.
7663         (ASSERT_EQ): Likewise.
7664         (ASSERT_NE): Likewise.
7665         (ASSERT_STREQ): Likewise.
7666         (ASSERT_PRED1): Likewise.
7667         (ASSERT_STREQ_AT): New macro.
7669 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
7671         * selftest.c (selftest::fail_formatted): New function.
7672         (selftest::assert_streq): New function.
7673         * selftest.h (selftests::fail_formatted): New decl.
7674         (selftest::assert_streq): New decl.
7675         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
7677 2016-06-13  Jeff Law  <law@redhat.com>
7679         PR tree-optimization/71403
7680         * tree-ssa-threadbackward.c
7681         (convert_and_register_jump_thread_path): No longer accept reference
7682         to path.  Do not pop items off the path anymore.
7683         (fsm_find_control_statement_thread_paths): Do not allow threading
7684         to a deeper loop nest.  Pop the last item off the path here rather
7685         than in convert_and_register_jump_thread_path.
7687 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
7688             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
7690         [AArch64] Emit division using the Newton series
7692         * config/aarch64/aarch64-protos.h
7693         (cpu_approx_modes): Add new member "division".
7694         (aarch64_emit_approx_div): Declare new function.
7695         * config/aarch64/aarch64.c
7696         (generic_approx_modes): New member "division".
7697         (exynosm1_approx_modes): Likewise.
7698         (xgene1_approx_modes): Likewise.
7699         (aarch64_emit_approx_div): Define new function.
7700         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
7701         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
7702         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
7703         * doc/invoke.texi (-mlow-precision-div): Describe new option.
7705 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
7706             Wilco Dijkstra  <wilco.dijkstra@arm.com>
7708         [AArch64] Emit square root using the Newton series
7710         * config/aarch64/aarch64-protos.h
7711         (aarch64_emit_approx_rsqrt): Replace with new function
7712         "aarch64_emit_approx_sqrt".
7713         (cpu_approx_modes): New member "sqrt".
7714         * config/aarch64/aarch64.c
7715         (generic_approx_modes): New member "sqrt".
7716         (exynosm1_approx_modes): Likewise.
7717         (xgene1_approx_modes): Likewise.
7718         (aarch64_emit_approx_rsqrt): Replace with new function
7719         "aarch64_emit_approx_sqrt".
7720         (aarch64_override_options_after_change_1): Handle new option.
7721         * config/aarch64/aarch64-simd.md
7722         (rsqrt<mode>2): Use new function instead.
7723         (sqrt<mode>2): New expansion and insn definitions.
7724         * config/aarch64/aarch64.md: Likewise.
7725         * config/aarch64/aarch64.opt
7726         (mlow-precision-sqrt): Add new option description.
7727         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
7729 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
7731         [AArch64] Add more choices for the reciprocal square root approximation
7733         Allow a target to prefer such operation depending on the operation mode.
7735         * config/aarch64/aarch64-protos.h
7736         (AARCH64_APPROX_MODE): New macro.
7737         (AARCH64_APPROX_{NONE,ALL}): Likewise.
7738         (cpu_approx_modes): New structure.
7739         (tune_params): New member "approx_modes".
7740         * config/aarch64/aarch64-tuning-flags.def
7741         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
7742         * config/aarch64/aarch64.c
7743         (generic_approx_modes): New core "cpu_approx_modes" structure.
7744         (exynosm1_approx_modes): Likewise.
7745         (xgene1_approx_modes): Likewise.
7746         (generic_tunings): New member "approx_modes".
7747         (cortexa35_tunings): Likewise.
7748         (cortexa53_tunings): Likewise.
7749         (cortexa57_tunings): Likewise.
7750         (cortexa72_tunings): Likewise.
7751         (exynosm1_tunings): Likewise.
7752         (thunderx_tunings): Likewise.
7753         (xgene1_tunings): Likewise.
7754         (use_rsqrt_p): New argument for the mode and use new member from
7755         "tune_params".
7756         (aarch64_builtin_reciprocal): Devise mode from builtin.
7757         (aarch64_optab_supported_p): New argument for the mode.
7758         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
7760 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7762         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
7763         RS6000_BTM_MODULO flag into the set of flags that are considered
7764         to be part of the common configuration.
7766 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7768         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
7769         difference unsigned.
7770         (vec_absdb): New macro for vector absolute difference unsigned
7771         byte.
7772         (vec_absdh): New macro for vector absolute difference unsigned
7773         half-word.
7774         (vec_absdw): New macro for vector absolute difference unsigned word.
7775         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
7776         (vadu<mode>3): New insn.
7777         (*p9_vadu<mode>3): New insn.
7778         * config/rs6000/rs6000-builtin.def (vadub): New built-in
7779         definition.
7780         (vaduh): New built-in definition.
7781         (vaduw): New built-in definition.
7782         (vadu): New overloaded built-in definition.
7783         (vadub): New overloaded built-in definition.
7784         (vaduh): New overloaded built-in definition.
7785         (vaduw): New overloaded built-in definition.
7786         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7787         overloaded vector absolute difference unsigned functions.
7788         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
7789         the ISA 3.0 vector absolute difference unsigned built-in functions.
7791 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
7793         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
7794         update shared_lookup_references only once after changing operands.
7796 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
7798         PR middle-end/71373
7799         * tree-nested.c (convert_nonlocal_omp_clauses)
7800         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
7802         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
7803         * tree.def (CASE_LABEL_EXPR): Likewise.
7805 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7807         PR bootstrap/71481
7808         * input.c (test_builtins): Fix an assertion.
7810 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
7812         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
7813         (paritysi2): Ditto.
7814         (isinfxf2): Ditto.
7815         (isinf<mode>2): Ditto.
7817 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
7819         * ggc-tests.c (test_finalization): Only test need_finalization_p
7820         for GCC_VERSION >= 4003.
7822 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7824         * config/s390/vecintrin.h: Fix file description in comment.
7826 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7828         * config/s390/s390-builtin-types.def: Change builtin type naming
7829         scheme to match builtin-types.def.
7831 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
7833         * fold-const.c (optimize_minmax_comparison): Remove.
7834         (fold_comparison): Remove call to the above.
7835         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
7836         New transformations.
7838 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
7840         PR tree-optimization/71416
7841         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
7842         multiple entries
7844 2016-06-13  Martin Liska  <mliska@suse.cz>
7846         * predict.c (enum predictor_reason): Prefix enum with REASON_.
7847         (combine_predictions_for_insn): Likewise.
7848         (prune_predictions_for_bb): Likewise.
7849         (combine_predictions_for_bb): Likewise.
7851 2016-06-13  Richard Biener  <rguenther@suse.de>
7853         PR tree-optimization/71505
7854         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
7855         assert match comment.
7857 2016-06-13  Marek Polacek  <polacek@redhat.com>
7859         PR middle-end/71476
7860         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
7861         gimplify_switch_expr.
7862         (warn_switch_unreachable_r): New function.
7864 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7866         PR target/71379
7867         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
7868         one.
7870 2016-06-13  Richard Biener  <rguenther@suse.de>
7872         PR middle-end/64516
7873         * fold-const.c (fold_unary_loc): Preserve alignment when
7874         folding a VIEW_CONVERT_EXPR into a MEM_REF.
7876 2016-06-13  Martin Liska  <mliska@suse.cz>
7878         PR sanitizer/71458
7879         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
7880         w/ -fsanitize=bounds.
7882 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
7884         * config/i386/i386.c (ix86_init_builtins): Calculate
7885         FLOAT128_FTYPE_CONST_STRING function type only once.
7886         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
7887         built-in functions are available for x86-32 and x86-64 targets.
7889 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
7891         PR target/71241
7892         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
7893         New primitive type.
7894         (FLOAT128_FTYPE_CONST_STRING): New function type.
7895         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
7896         [IX86_BUILTIN_NANSQ]: Ditto.
7897         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
7898         (ix86_init_builtin_types): Declare const_string_type_node.
7899         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
7900         builtin functions.
7901         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
7902         * doc/extend.texi (x86 Built-in Functions): Document
7903         __builtin_nanq and __builtin_nansq.
7905 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
7907         PR target/71061
7908         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
7909         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
7910         length for pop patterns.
7911         (arm_attr_length_push_multi): Update comments.
7912         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
7913         attribute.
7914         (*pop_multiple_with_writeback_and_return): Likewise.
7915         (*pop_multiple_with_return): Likewise.
7917 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
7919         PR middle-end/71310
7920         * fold-const.c (optimize_bit_field_compare): Don't try to use
7921         word_mode unconditionally for reading the bit field, look at
7922         DECL_BIT_FIELD_REPRESENTATIVE instead.
7924 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
7926         PR middle-end/71478
7927         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
7928         vector integer type.
7930 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
7932         PR middle-end/71494
7933         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
7934         without LABEL_DECL, set *handled_ops_p to false instead of true.
7936 2016-06-10  Martin Sebor  <msebor@redhat.com>
7938         PR c/71392
7939         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
7940         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
7941         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
7942         them.
7943         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
7944         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
7945         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
7946         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
7947         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
7948         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
7949         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
7950         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
7952 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7954         * config/arm/arm.h (pool_vector_label,
7955         return_used_this_function): Remove.
7957 2016-06-10  Jeff Law  <law@redhat.com>
7959         PR tree-optimization/71335
7960         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
7961         zero length paths here.
7962         (convert_and_register_jump_thread_path): Remove hacks related to
7963         duplicated blocks in the jump thread path.
7964         (fsm_find_control_statement_thread_paths): Avoid putting the same
7965         block on the thread path twice, but ensure the thread path is
7966         unchanged from the caller's point of view.
7968 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
7970         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
7971         * predict.def (PRED_LOOP_BRANCH): Remove.
7973 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
7975         * Makefile.in (OBJS): Add ggc-tests.o.
7976         (GTFILES): Add ggc-tests.c.
7977         * ggc-tests.c: New file.
7978         * selftest-run-tests.c (selftest::run_tests): Call
7979         selftest::ggc_tests_c_tests.
7980         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
7982 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
7984         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
7986 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
7988         PR sanitizer/71480
7989         * varasm.c (place_block_symbol): Adjust alignment for asan protected
7990         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
7992 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
7994         * profile.c: Include cfgloop.h.
7995         (branch_prob): Compute estimated number of iterations.
7996         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
7997         recompute estimate number of iterations from profile.
7999 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8001         PR inline-asm/68843
8002         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
8003         must be grouped on top of stack.  Don't force early clobber
8004         on ordinary reg outputs.
8006 2016-06-10  Richard Biener  <rguenther@suse.de>
8008         * targhooks.c (default_builtin_vectorization_cost): Adjust
8009         vec_construct cost.
8011 2016-06-10  Richard Biener  <rguenther@suse.de>
8013         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
8014         to fold the RHS to a constant if possible.
8016 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
8018         PR middle-end/71373
8019         * tree-nested.c (convert_nonlocal_omp_clauses)
8020         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
8021         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
8022         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
8024         * gimplify.c (gimplify_adjust_omp_clauses): Discard
8025         OMP_CLAUSE_TILE.
8026         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
8028         * omp-low.c (scan_sharing_clauses): Don't expect
8029         OMP_CLAUSE__CACHE_.
8031 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
8033         PR tree-optimization/71407
8034         PR tree-optimization/71416
8035         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
8036         BIT_FIELD_REF type.
8038 2016-06-10  Richard Biener  <rguenther@suse.de>
8040         PR middle-end/71477
8041         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
8043 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
8045         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
8047 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
8048             Jiong Wang  <jiong.wang@arm.com>
8050         PR rtl-optimization/70751
8051         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
8052         spilled into memory.
8054 2016-06-09  Jonathan Yong  <10walls@gmail.com>
8056         Revert:
8057         2015-09-21  Jonathan Yong  <10walls@gmail.com>
8059         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
8060         sysroot/usr/lib/32api for additional win32 libraries,
8061         fixes failing Cygwin bootstrapping.
8063 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
8065         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
8066         Delete.
8068 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
8070         PR bootstrap/71471
8071         * pretty-print.c (pp_indent): Specify that %p is printed in a
8072         host-dependent manner.
8073         (test_pp_format): Remove the test for %p.
8075 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
8077         * config/mips/mips.c (mips_output_jump): Fix formatting.
8079 2016-06-09  Richard Biener  <rguenther@suse.de>
8081         PR tree-optimization/71462
8082         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
8083         removed blocks.
8085 2016-06-09  Martin Liska  <mliska@suse.cz>
8087         * predict.c (dump_prediction): Add new argument.
8088         (enum predictor_reason): New enum.
8089         (struct predictor_hash): New struct.
8090         (predictor_hash::hash): New function.
8091         (predictor_hash::equal): Likewise.
8092         (not_removed_prediction_p): New function.
8093         (prune_predictions_for_bb): Likewise.
8094         (combine_predictions_for_bb): Prune predictions.
8096 2016-06-09  Martin Liska  <mliska@suse.cz>
8098         * predict.c (filter_predictions): New function.
8099         (remove_predictions_associated_with_edge): Use the filter
8100         function.
8101         (equal_edge_p): New function.
8103 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
8105         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
8106         Correct usage of @samp vs @option, add @samp where appropriate.
8107         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
8108         Add armv6s-m and document it, as it is no official ARM name.
8110 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8112         * ifcvt.c (struct noce_if_info): Add transform_name field.
8113         (noce_try_move): Set if_info->transform_name to the function name.
8114         (noce_try_ifelse_collapse): Likewise.
8115         (noce_try_store_flag): Likewise.
8116         (noce_try_inverse_constants): Likewise.
8117         (noce_try_store_flag_constants): Likewise.
8118         (noce_try_addcc): Likewise.
8119         (noce_try_store_flag_mask): Likewise.
8120         (noce_try_cmove): Likewise.
8121         (noce_try_cmove_arith): Likewise.
8122         (noce_try_minmax): Likewise.
8123         (noce_try_abs): Likewise.
8124         (noce_try_sign_mask): Likewise.
8125         (noce_try_bitop): Likewise.
8126         (noce_convert_multiple_sets): Likewise.
8127         (noce_process_if_block): Print if_info->transform_name to
8128         dump_file if transformation succeeded.
8130 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8132         * config/arm/cortex-a57.md (cortex_a57_alu):
8133         Handle csel type.
8135 2016-06-08  Martin Sebor  <msebor@redhat.com>
8136             Jakub Jelinek  <jakub@redhat.com>
8138         PR c++/70507
8139         PR c/68120
8140         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
8141         BUILT_IN_MUL_OVERFLOW_P): New builtins.
8142         * builtins.c: Include gimple-fold.h.
8143         (fold_builtin_arith_overflow): Handle
8144         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
8145         (fold_builtin_3): Likewise.
8146         * doc/extend.texi (Integer Overflow Builtins): Document
8147         __builtin_{add,sub,mul}_overflow_p.
8149 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
8151         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
8152         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
8154 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
8156         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
8157         Rewrite, looking one level down for records and arrays.
8159 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
8161         * pretty-print.c: Include "selftest.h".
8162         (pp_format): Fix comment.
8163         (identifier_to_locale): Likewise.
8164         (selftest::test_basic_printing): New function.
8165         (selftest::assert_pp_format): New function.
8166         (selftest::test_pp_format): New function.
8167         (selftest::pretty_print_c_tests): New function.
8168         * selftest-run-tests.c (selftest::run_tests): Call
8169         selftest::pretty_print_c_tests.
8170         * selftest.h (pretty_print_c_tests): New declaration.
8172 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
8174         * invoke.texi (max-loop-headers-insns): Document.
8175         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
8176         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
8177         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
8179 2016-06-08  Richard Biener  <rguenther@suse.de>
8181         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
8182         on strided SLP loads and fall back to scalar loads in case
8183         we can't chunk them.
8185 2016-06-08  Richard Biener  <rguenther@suse.de>
8187         PR tree-optimization/71452
8188         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
8189         type used for the SSA rewrite has enough precision to cover
8190         the dynamic type of the location.
8192 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
8193             Richard Biener  <rguenther@suse.de>
8195         PR c++/71448
8196         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
8197         the same as DECL_P (base0) for indirect_base0.  Use equality_code
8198         in one further place.
8200 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
8202         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
8203         to one word if the field is known to overlap other words.
8204         (extract_bit_field_1): Likewise.
8205         (store_split_bit_field): Remove compensating code.
8206         (extract_split_bit_field): Likewise.
8208 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
8210         PR debug/71432
8211         PR ada/71413
8212         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
8214 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
8216         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
8217         VDQF.
8218         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
8219         (arch64_addpv4sf): Delete.
8220         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
8221         "gen_aarch64_addpv4sf".
8222         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
8223         builtin.
8224         (vpadds_f32): Likewise.
8225         (vpaddq_f32): Likewise.
8226         (vpaddq_f64): Likewise.
8228 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
8230         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
8231         VALLF.
8232         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
8233         to VALLF.  Rename to "fabd<mode>3".
8234         "*fabd_scalar<mode>3): Delete.
8235         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
8236         Use builtin.
8237         (vabdd_f64): Likewise.
8238         (vabd_f32): Likewise.
8239         (vabd_f64): Likewise.
8240         (vabdq_f32): Likewise.
8241         (vabdq_f64): Likewise.
8243 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
8245         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
8246         VALLF.
8247         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
8248         "aarch64_rsqrts<mode>".
8249         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
8250         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
8251         builtin.
8252         (vrsqrtsd_f64): Likewise.
8253         (vrsqrts_f32): Likewise.
8254         (vrsqrts_f64): Likewise.
8255         (vrsqrtsq_f32): Likewise.
8256         (vrsqrtsq_f64): Likewise.
8258 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
8260         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
8261         VALLF.
8262         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
8263         "aarch64_rsqrte<mode>".
8264         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
8265         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
8266         builtin.
8267         (vrsqrted_f64): Likewise.
8268         (vrsqrte_f32): Likewise.
8269         (vrsqrte_f64): Likewise.
8270         (vrsqrteq_f32): Likewise.
8271         (vrsqrteq_f64): Likewise.
8273 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
8275         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
8276         (ucvtf): Likewise.
8277         (fcvtzs): Likewise.
8278         (fcvtzu): Likewise.
8279         * config/aarch64/aarch64-simd.md
8280         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
8281         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
8282         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
8283         Use builtin.
8284         (vcvt_n_f32_u32): Likewise.
8285         (vcvt_n_s32_f32): Likewise.
8286         (vcvt_n_u32_f32): Likewise.
8287         (vcvtq_n_f32_s32): Likewise.
8288         (vcvtq_n_f32_u32): Likewise.
8289         (vcvtq_n_f64_s64): Likewise.
8290         (vcvtq_n_f64_u64): Likewise.
8291         (vcvtq_n_s32_f32): Likewise.
8292         (vcvtq_n_s64_f64): Likewise.
8293         (vcvtq_n_u32_f32): Likewise.
8294         (vcvtq_n_u64_f64): Likewise.
8295         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
8296         (VSDQ_SDI): Likewise.
8297         (fcvt_target): Support V4DI, V4SI and V2SI.
8298         (FCVT_TARGET): Likewise.
8300 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
8302         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
8303         (TYPES_BINOP_SUS): Likewise.
8304         (aarch64_simd_builtin_data): Update include file name.
8305         (aarch64_builtins): Likewise.
8306         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
8307         for conversion between scalar float-point and fixed-point.
8308         (ucvtf): Likewise.
8309         (fcvtzs): Likewise.
8310         (fcvtzu): Likewise.
8311         * config/aarch64/aarch64.md
8312         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
8313         pattern for conversion between scalar float to fixed-pointer.
8314         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
8315         (UNSPEC_FCVTZS): New UNSPEC enumeration.
8316         (UNSPEC_FCVTZU): Likewise.
8317         (UNSPEC_SCVTF): Likewise.
8318         (UNSPEC_UCVTF): Likewise.
8319         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
8320         Use builtin.
8321         (vcvtd_n_f64_u64): Likewise.
8322         (vcvtd_n_s64_f64): Likewise.
8323         (vcvtd_n_u64_f64): Likewise.
8324         (vcvtd_n_f32_s32): Likewise.
8325         (vcvts_n_f32_u32): Likewise.
8326         (vcvtd_n_s32_f32): Likewise.
8327         (vcvts_n_u32_f32): Likewise.
8328         * config/aarch64/iterators.md (fcvt_target): Support integer to float
8329         mapping.
8330         (FCVT_TARGET): Likewise.
8331         (FCVT_FIXED2F): New iterator.
8332         (FCVT_F2FIXED): Likewise.
8333         (fcvt_fixed_insn): New define_int_attr.
8335 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
8337         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
8338         some statements was removed.
8340 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
8342         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
8343         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
8344         (vect_can_advance_ivs_p): likewise.
8345         (vect_update_ivs_after_vectorizer): likewise.
8346         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
8347         (vect_analyze_scalar_cycles_1): likewise.
8348         (vect_analyze_loop_operations): likewise.
8349         (report_vect_op): likewise.
8350         (vect_is_slp_reduction): likewise.
8351         (vect_is_simple_reduction): likewise.
8352         (get_initial_def_for_induction): likewise.
8353         (vect_transform_loop): likewise.
8354         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
8355         (vect_recog_sad_pattern): likewise.
8356         (vect_recog_widen_sum_pattern): likewise.
8357         (vect_recog_widening_pattern): likewise.
8358         (vect_recog_divmod_pattern): likewise.
8359         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
8360         (vect_analyze_slp_instance): likewise.
8361         (vect_transform_slp_perm_load): likewise.
8362         (vect_schedule_slp_instance): likewise.
8364 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
8366         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
8367         (return_prediction): PRED_CONST_RETURN predict return as not taken.
8368         * predict.def (PRED_CONTINUE): Change hitrate 50->67
8369         (PRED_LOOP_BRANCH): Document predictor as broken.
8370         (PRED_LOOP_EXIT): Change hitrate 91->92.
8371         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
8372         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
8373         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
8374         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
8375         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
8376         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
8377         (PRED_CALL): Chane hitrate 71->67.
8378         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
8379         (PRED_GOTO): Document as unused right now.
8380         (PRED_CONST_RETURN): Change hitrate 67->69
8381         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
8382         (PRED_NULL_RETURN): Change hitrate 91->90.
8383         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
8384         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
8385         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
8387 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
8389         * config/rs6000/altivec.h: Add __builtin_vec_mul.
8390         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
8391         special case Altivec builtin.
8392         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
8393         VSX_BUILTIN_VEC_MUL (replaced with special case code).
8394         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
8395         code for ALTIVEC_BUILTIN_VEC_MUL.
8396         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
8397         for __builtin_vec_mul.
8399 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
8401         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
8402         -mno-htm.
8404 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
8406         * spellcheck.c (selftest::test_find_closest_string): New function.
8407         (spellcheck_c_tests): Call the above.
8409 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8411         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
8413 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
8415         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
8416         Yv=Yv,C alternatives.
8418 2016-06-07  Richard Biener  <rguenther@suse.de>
8420         PR c/61564
8421         * common.opt (ffast-math): Make Optimization.
8423 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
8424             Prachi Godbole  <prachi.godbole@imgtec.com>
8426         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
8427         `fabs' and `fneg' type attributes.
8428         (p5600_fpu_fabs): Add `fmove' to the comment.
8430 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
8432         * gimple.c: Include builtins.h
8433         (gimple_inexpensive_call_p): New function.
8434         * gimple.h (gimple_inexpensive_call_p): Declare.
8435         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
8436         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
8437         fix formatting.
8439 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
8441         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
8442         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
8443         warning_at_rich_loc, warning_n, pedwarn, permerror,
8444         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
8445         sorry, fatal_error, internal_error, internal_error_no_backtrace):
8446         Use the above.
8448 2016-06-07  Richard Biener  <rguenther@suse.de>
8450         PR tree-optimization/71428
8451         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
8452         BIT_FIELD_REF op vs. load.
8454 2016-06-07  Richard Biener  <rguenther@suse.de>
8456         PR middle-end/71423
8457         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
8458         for signed ops.
8460 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
8462         * config/pa/pa.md (call): Generate indirect long calls to non-local
8463         functions on TARGET_64BIT.
8464         (call_value): Likewise.
8466 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
8468         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
8469         pattern and subsequent splitters.
8470         (call_val_reg_64bit_post_reload): Likewise.
8472 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
8474         PR middle-end/71408
8475         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
8476         propagate_op_to_single_use.
8478 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
8480         PR middle-end/71281
8481         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
8483 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
8485         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
8486         (enum x86_dirflag_state): New enum.
8487         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
8488         (machine_function): Remove needs_cld.
8489         (ix86_current_function_needs_cld): Remove.
8490         * config/i386/i386.c (ix86_set_func_type): Set
8491         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
8492         (ix86_expand_prologue): Do not emit CLD here.
8493         (ix86_dirflag_mode_needed): New function.
8494         (ix86_dirflag_mode_entry): Ditto.
8495         (ix86_mode_needed): Handle X86_DIRFLAG entity.
8496         (ix86_mode_after): Ditto.
8497         (ix86_mode_entry): Ditto.
8498         (ix86_mode_exit): Ditto.
8499         (ix86_emit_mode_set): Ditto.
8500         * config/i386/i386.md (strmov_singleop): Set
8501         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
8502         Do not set ix86_current_function_needs_cld.
8503         (rep_mov): Ditto.
8504         (strset_singleop): Ditto.
8505         (rep_stos): Ditto.
8506         (cmpstrnqi_nz_1): Ditto.
8507         (cmpstrnqi_1): Ditto.
8508         (strlenqi_1): Ditto.
8510 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
8512         PR tree-optimization/71259
8513         * tree-vect-slp.c (vect_get_constant_vectors): For
8514         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
8515         one for constant op, and use COND_EXPR for non-constant.
8517 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
8519         * Makefile.in (OBJS): Add function-tests.o,
8520         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
8521         selftest-run-tests.o.
8522         (OBJS-libcommon): Add selftest.o.
8523         (OBJS-libcommon-target): Add selftest.o.
8524         (all.internal): Add "selftest".
8525         (all.cross): Likewise.
8526         (selftest): New phony target.
8527         (s-selftest): New target.
8528         (selftest-gdb): New phony target.
8529         (COLLECT2_OBJS): Add selftest.o.
8530         * bitmap.c: Include "selftest.h".
8531         (selftest::test_gc_alloc): New function.
8532         (selftest::test_set_range): New function.
8533         (selftest::test_clear_bit_in_middle): New function.
8534         (selftest::test_copying): New function.
8535         (selftest::test_bitmap_single_bit_set_p): New function.
8536         (selftest::bitmap_c_tests): New function.
8537         * common.opt (fself-test): New.
8538         * diagnostic-show-locus.c: Include "selftest.h".
8539         (make_range): New function.
8540         (test_range_contains_point_for_single_point): New function.
8541         (test_range_contains_point_for_single_line): New function.
8542         (test_range_contains_point_for_multiple_lines): New function.
8543         (assert_eq): New function.
8544         (test_get_line_width_without_trailing_whitespace): New function.
8545         (selftest::diagnostic_show_locus_c_tests): New function.
8546         * et-forest.c: Include "selftest.h".
8547         (selftest::test_single_node): New function.
8548         (selftest::test_simple_tree): New function.
8549         (selftest::test_disconnected_nodes): New function.
8550         (selftest::et_forest_c_tests): New function.
8551         * fold-const.c: Include "selftest.h".
8552         (selftest::assert_binop_folds_to_const): New function.
8553         (selftest::assert_binop_folds_to_nonlvalue): New function.
8554         (selftest::test_arithmetic_folding): New function.
8555         (selftest::fold_const_c_tests): New function.
8556         * function-tests.c: New file.
8557         * gimple.c: Include "selftest.h".
8558         Include "gimple-pretty-print.h".
8559         (selftest::verify_gimple_pp): New function.
8560         (selftest::test_assign_single): New function.
8561         (selftest::test_assign_binop): New function.
8562         (selftest::test_nop_stmt): New function.
8563         (selftest::test_return_stmt): New function.
8564         (selftest::test_return_without_value): New function.
8565         (selftest::gimple_c_tests): New function.
8566         * hash-map-tests.c: New file.
8567         * hash-set-tests.c: New file.
8568         * input.c: Include "selftest.h".
8569         (selftest::assert_loceq): New function.
8570         (selftest::test_accessing_ordinary_linemaps): New function.
8571         (selftest::test_unknown_location): New function.
8572         (selftest::test_builtins): New function.
8573         (selftest::test_reading_source_line): New function.
8574         (selftest::input_c_tests): New function.
8575         * rtl-tests.c: New file.
8576         * selftest-run-tests.c: New file.
8577         * selftest.c: New file.
8578         * selftest.h: New file.
8579         * spellcheck.c: Include "selftest.h".
8580         (selftest::levenshtein_distance_unit_test_oneway): New function,
8581         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
8582         (selftest::levenshtein_distance_unit_test): Likewise.
8583         (selftest::spellcheck_c_tests): Likewise.
8584         * toplev.c: Include selftest.h.
8585         (toplev::run_self_tests): New.
8586         (toplev::main): Handle -fself-test.
8587         * toplev.h (toplev::run_self_tests): New.
8588         * tree.c: Include "selftest.h".
8589         (selftest::test_integer_constants): New function.
8590         (selftest::test_identifiers): New function.
8591         (selftest::test_labels): New function.
8592         (selftest::tree_c_tests): New function.
8593         * tree-cfg.c: Include "selftest.h".
8594         (selftest::push_fndecl): New function.
8595         (selftest::test_linear_chain): New function.
8596         (selftest::test_diamond): New function.
8597         (selftest::test_fully_connected): New function.
8598         (selftest::tree_cfg_c_tests): New function.
8599         * vec.c: Include "selftest.h".
8600         (selftest::safe_push_range): New function.
8601         (selftest::test_quick_push): New function.
8602         (selftest::test_safe_push): New function.
8603         (selftest::test_truncate): New function.
8604         (selftest::test_safe_grow_cleared): New function.
8605         (selftest::test_pop): New function.
8606         (selftest::test_safe_insert): New function.
8607         (selftest::test_ordered_remove): New function.
8608         (selftest::test_unordered_remove): New function.
8609         (selftest::test_block_remove): New function.
8610         (selftest::reverse_cmp): New function.
8611         (selftest::test_qsort): New function.
8612         (selftest::vec_c_tests): New function.c.
8613         * wide-int.cc: Include selftest.h and wide-int-print.h.
8614         (selftest::from_int <wide_int>): New function.
8615         (selftest::from_int <offset_int>): New function.
8616         (selftest::from_int <widest_int>): New function.
8617         (selftest::assert_deceq): New function.
8618         (selftest::assert_hexeq): New function.
8619         (selftest::test_printing <VALUE_TYPE>): New function template.
8620         (selftest::test_ops <VALUE_TYPE>): New function template.
8621         (selftest::test_comparisons <VALUE_TYPE>): New function template.
8622         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
8623         template.
8624         (selftest::wide_int_cc_tests): New function.
8626 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8628         PR middle-end/37780
8629         * ifcvt.c (noce_try_ifelse_collapse): New function.
8630         Declare prototype.
8631         (noce_process_if_block): Call noce_try_ifelse_collapse.
8632         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
8633         (simplify_ternary_operation): Use the above to simplify
8634         conditional CLZ/CTZ expressions.
8636 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8638         PR middle-end/37780
8639         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
8640         define_insn_and_split.
8642 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8644         PR middle-end/37780
8645         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
8647 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8649         PR c/24414
8650         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
8651         Implicitly clobber memory for basic asm with non-empty assembler
8652         string.  Use targetm.md_asm_adjust also here.
8653         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
8654         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
8655         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
8656         non-empty assembler string.
8657         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
8658         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
8659         (decode_asm_operands): Handle basic asm in PARALLEL block.
8660         (extract_insn): Handle basic asm in PARALLEL block.
8661         * doc/extend.texi: Mention new behavior of basic asm.
8662         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
8663         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
8664         branch_needs_nop_p): Use asm_noperands.
8666 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
8668         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
8669         Include the M7 SPARC DFA scheduler.
8670         New attribute v3pipe.
8671         Annotate insns with v3pipe where appropriate.
8672         Define cpu_feature vis4.
8673         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
8674         Add (V8QI "8") to vbits.
8675         Add insns {add,sub}v8qi3
8676         Add insns ss{add,sub}v8qi3
8677         Add insns us{add,sub}{v8qi,v4hi}3
8678         Add insns {min,max}{v8qi,v4hi,v2si}3
8679         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
8680         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
8681         * config/sparc/niagara4.md: Add a comment explaining the
8682         discrepancy between the documented latenty numbers and the
8683         implemented ones.
8684         * config/sparc/niagara7.md: New file.
8685         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
8686         supports SPARC5 and VIS 4.0 instructions.
8687         * configure: Regenerate.
8688         * config.in: Likewise.
8689         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
8690         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
8691         TARGET_CPU_niagara7.
8692         (ASM_CPU64_DEFAULT_SPEC): Likewise.
8693         (CPP_CPU_SPEC): Handle niagara7.
8694         (ASM_CPU_SPEC): Likewise.
8695         * config/sparc/sparc-opts.h (processor_type): Add
8696         PROCESSOR_NIAGARA7.
8697         (mvis4): New option.
8698         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
8699         (AS_NIAGARA7_FLAG): Define.
8700         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
8701         (CPP_CPU64_DEFAULT_SPEC): Likewise.
8702         (CPP_CPU_SPEC): Handle niagara7.
8703         (ASM_CPU_SPEC): Likewise.
8704         * config/sparc/sparc.c (niagara7_costs): Define.
8705         (sparc_option_override): Handle niagara7 and adjust cache-related
8706         parameters with better values for niagara cpus.  Also support VIS4.
8707         (sparc32_initialize_trampoline): Likewise.
8708         (sparc_use_sched_lookahead): Likewise.
8709         (sparc_issue_rate): Likewise.
8710         (sparc_register_move_cost): Likewise.
8711         (dump_target_flag_bits): Support VIS4.
8712         (sparc_vis_init_builtins): Likewise.
8713         (sparc_builtins): Likewise.
8714         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
8715         VIS4 4.0.
8716         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
8717         UltraSparc M7.
8718         * config/sparc/sparc.opt (sparc_processor_type): New value
8719         niagara7.
8720         * config/sparc/visintrin.h (__attribute__): Prototypes for the
8721         VIS4 builtins.
8722         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
8723         -mvis4.
8724         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
8725         VIS4 builtins.
8727 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
8729         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
8731 2016-06-06  Richard Biener  <rguenther@suse.de>
8733         PR tree-optimization/71398
8734         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
8735         remove edges.
8737 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
8739         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
8740         ft32_expand_prolog, ft32_expand_epilogue):
8741         Handle pretend_args.
8742         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
8743         * config/ft32/ft32.md: Add pretend_returner.
8745 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
8747         PR target/71389
8748         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8749         Copy op1 RTX to avoid invalid sharing.
8750         (ix86_expand_vector_move_misalign): Ditto.
8752 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
8754         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
8755         ATTRIBUTE_UNUSED.
8757 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
8759         * predict.c (predicted_by_loop_heuristics_p): New function.
8760         (predict_iv_comparison): Use it.
8761         (predict_loops): Walk from innermost loops; do not predict edges
8762         leaving multiple loops multiple times; implement
8763         PRED_LOOP_ITERATIONS_MAX heuristics.
8764         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
8766 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
8768         * cfg.c (check_bb_profile): Do not report mismatched profiles when
8769         only edges out of BB are EH edges.
8771 2016-06-04  Martin Sebor  <msebor@redhat.com>
8772             Marcin Baczyński  <marbacz@gmail.com>
8774         PR c/48116
8775         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
8776         a void expression in a void function.
8778 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
8780         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
8781         aux; dump reasons of decisions.
8782         (should_duplicate_loop_header_p): Likewise.
8783         (do_while_loop_p): Likewise.
8784         (ch_base::copy_headers): Dump asi num insns duplicated.
8786 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
8788         PR tree-optimization/71405
8789         * tree-ssa.c (execute_update_addresses_taken): For clobber with
8790         incompatible type, build a new clobber with the right type instead
8791         of building a VIEW_CONVERT_EXPR around it.
8793 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
8795         PR tree-optimization/52171
8796         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
8797         by_pieces_ninsns instead of move_by_pieces_ninsns.
8799 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
8801         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
8802         for reg+reg addressing mode.
8804 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8806         * rs6000-c.c (c/c-tree.h): Add #include.
8807         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
8808         in C++ when found in the base position of vec_ld or vec_st.
8810 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
8812         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
8813         use of profile unless profile status is PROFILE_READ.
8814         * profile.c (compute_branch_probabilities): Set profile status
8815         only after reporting predictor hitrates.
8817 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
8819         PR target/71276
8820         PR target/71277
8821         * common.opt (ffp-int-builtin-inexact): New option.
8822         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
8823         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
8824         (ceil@var{m}2): Document dependence on this option.
8825         * ipa-inline-transform.c (inline_call): Handle
8826         flag_fp_int_builtin_inexact.
8827         * ipa-inline.c (can_inline_edge_p): Likewise.
8828         * config/i386/i386.md (rintxf2): Do not test
8829         flag_unsafe_math_optimizations.
8830         (rint<mode>2_frndint): New define_insn.
8831         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
8832         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
8833         for 387 instead of extending and truncating.
8834         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
8835         !flag_trapping_math instead of flag_unsafe_math_optimizations.
8836         Change to frndint<mode>2_<rounding>.
8837         (frndintxf2_<rounding>_i387): Likewise.  Change to
8838         frndint<mode>2_<rounding>_i387.
8839         (<rounding_insn>xf2): Likewise.
8840         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
8841         !flag_trapping_math instead of flag_unsafe_math_optimizations for
8842         x87.  Test TARGET_ROUND || !flag_trapping_math ||
8843         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
8844         SSE.  Use ROUND_NO_EXC in constant operand of
8845         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
8846         for 387 instead of extending and truncating.
8848 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
8849             Julia Koval  <julia.koval@intel.com>
8851         PR target/66960
8852         PR target/67630
8853         PR target/67634
8854         PR target/67841
8855         PR target/68037
8856         PR target/68618
8857         PR target/68661
8858         PR target/69575
8859         PR target/69596
8860         PR target/69734
8861         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
8862         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
8863         all registers, except for function return registers if there are
8864         no caller-saved registers.
8865         (ix86_set_func_type): New function.
8866         (ix86_set_current_function): Call ix86_set_func_type to set
8867         no_caller_saved_registers and func_type.  Call reinit_regs if
8868         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
8869         nor x87 instructions in interrupt handler nor function with
8870         no_caller_saved_registers attribute.
8871         (ix86_function_ok_for_sibcall): Return false if there are no
8872         caller-saved registers.
8873         (type_natural_mode): Don't warn ABI change for MMX in interrupt
8874         handler.
8875         (ix86_function_arg_advance): Skip for callee in interrupt handler.
8876         (ix86_function_arg): Return special arguments in interrupt handler.
8877         (ix86_promote_function_mode): Promote pointer to word_mode only
8878         for normal functions.
8879         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
8880         interrupt handler.
8881         (ix86_epilogue_uses): New function.
8882         (ix86_hard_regno_scratch_ok): Likewise.
8883         (ix86_save_reg): Preserve all registers in interrupt handler
8884         after reload.  Preserve all registers, except for function return
8885         registers, if there are no caller-saved registers after reload.
8886         (find_drap_reg): Always use callee-saved register if there are
8887         no caller-saved registers.
8888         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
8889         for interrupt handler.
8890         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
8891         Emit cld instruction if stringops are used in interrupt handler
8892         or interrupt handler isn't a leaf function.
8893         (ix86_expand_epilogue): Generate interrupt return for interrupt
8894         handler and pop the 'ERROR_CODE' off the stack before interrupt
8895         return in exception handler.
8896         (ix86_expand_call): Disallow calling interrupt handler directly.
8897         If there are no caller-saved registers, mark all registers that
8898         are clobbered by the call which returns as clobbered.
8899         (ix86_handle_no_caller_saved_registers_attribute): New function.
8900         (ix86_handle_interrupt_attribute): Likewise.
8901         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
8902         attributes.
8903         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
8904         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
8905         accumulation in interrupt function if stack may be realigned to
8906         avoid DRAP.
8907         (EPILOGUE_USES): New.
8908         (function_type): New enum.
8909         (machine_function): Add func_type and no_caller_saved_registers.
8910         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
8911         (interrupt_return): New pattern.
8912         * doc/extend.texi: Document x86 interrupt and
8913         no_caller_saved_registers attributes.
8915 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
8917         PR tree-optimization/52171
8918         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
8919         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
8920         Look for constant strings.  Move some code to emit_block_cmp_hints
8921         and use it.
8922         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
8923         * defaults.h (COMPARE_MAX_PIECES): New macro.
8924         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
8925         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
8926         (clear_by_pieces_1): Don't declare.  Move definition before use.
8927         (can_do_by_pieces): New static function.
8928         (can_move_by_pieces): Use it.  Return bool.
8929         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
8930         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
8931         (class pieces_addr); New.
8932         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
8933         pieces_addr::adjust, pieces_addr::increment_address,
8934         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
8935         functions for it.
8936         (class op_by_pieces_d): New.
8937         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
8938         functions for it.
8939         (class move_by_pieces_d, class compare_by_pieces_d,
8940         class store_by_pieces_d): New subclasses of op_by_pieces_d.
8941         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
8942         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
8943         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
8944         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
8945         compare_by_pieces_d::finish_mode): New member functions.
8946         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
8947         functions.
8948         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
8949         (emit_block_cmp_hints): New function.
8950         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
8951         use the newly defined classes.
8952         * expr.h (by_pieces_constfn): New typedef.
8953         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
8954         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
8955         (move_by_pieces_ninsns): Don't declare.
8956         (can_move_by_pieces): Change return value to bool.
8957         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
8958         (compare_by_pieces_branch_ratio): New hook.
8959         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
8960         (by_pieces_ninsns): Declare.
8961         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
8962         COMPARE_BY_PIECES.
8963         (default_compare_by_pieces_branch_ratio): New function.
8964         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
8965         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
8966         * doc/tm.texi: Regenerate.
8967         * tree-ssa-strlen.c: Include "builtins.h".
8968         (handle_builtin_memcmp): New static function.
8969         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
8970         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
8972 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
8974         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
8975         relevant stmts which are simple and invariant.
8976         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
8977         instead of simple and invariant
8979 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
8981         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
8982         (vectorizable_reduction): Check for new relevant state.
8983         (vectorizable_live_operation): vectorize live stmts using
8984         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
8985         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
8986         (vect_stmt_relevant_p): Check for stmts which are only used live.
8987         (process_use): Use of a stmt does not inherit it's live value.
8988         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
8989         (vect_analyze_stmt): Check for new relevant state.
8990         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
8991         outside the loop, but not inside it.
8993 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
8995         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
8996         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
8997         (vect_get_vec_def_for_operand): Split out code.
8999 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
9001         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
9003 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
9005         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
9007 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9009         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
9011 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
9013         PR middle-end/71387
9014         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
9015         to noreturn e->callee->decl that has void return type and void
9016         arguments, adjust gimple_call_fntype and remove lhs even if it had
9017         previously addressable type.
9019 2016-06-02  Jeff Law  <law@redhat.com>
9021         PR tree-optimization/71328
9022         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
9023         error when checking for a jump back onto the copied path.
9025 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
9027         * config/microblaze/microblaze.c (get_branch_target): Add return
9028         NULL_RTX for the non-CALL_P case.
9029         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
9030         (insert_wic): Remove unused local "j".
9032 2016-06-02  Martin Liska  <mliska@suse.cz>
9034         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
9036 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
9037             Julia Koval  <julia.koval@intel.com>
9039         * function.c (assign_parm_setup_stack): Force source into a
9040         register if needed.
9041         * target.def (function_incoming_arg): Update documentation to
9042         allow arbitrary address computation based on hard register.
9043         * doc/tm.texi: Regenerated.
9045 2016-06-02  Martin Liska  <mliska@suse.cz>
9047         * predict.c (combine_predictions_for_bb): Fix first match in
9048         cases where a first predictor contains more than one occurence
9049         in list of predictors.  Take the best value in such case.
9051 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9053         PR rtl-optimization/71295
9054         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
9055         offset would go over the size of the inner mode reject it.
9057 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
9059         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
9060         x=x,x and v=v,m instead of x=x,m.
9062         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
9063         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
9064         alternative to v=rm,C.
9066         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
9067         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
9068         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
9069         instead of vex for the last two above mentioned alternatives.
9071 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9073         PR target/70830
9074         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
9076 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
9078         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
9080 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
9082         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
9083         from int to unsigned.
9085 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
9087         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
9088         alternatives, eliminating preferred register class.  Add support
9089         for the MTVSRDD instruction in ISA 3.0.
9090         (vsx_splat_v4si_internal): Use splat_input_operand instead of
9091         reg_or_indexed_operand.
9092         (vsx_splat_v4sf_internal): Likewise.
9094 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
9096         PR target/71186
9097         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
9098         for loading up all 0's or all 1's.
9100 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9102         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
9104 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
9106         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
9107         extension.
9108         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
9109         * gcc.c (set_source_date_epoch_envvar): New function, sets
9110         the SOURCE_DATE_EPOCH environment variable to the current time.
9112 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
9114         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
9115         the factor for live Phi nodes.
9117 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
9119         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
9120         * tree-parloops.c (parallelize_loops): likewise.
9121         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
9122         tree_unswitch_outer_loop): likewise.
9124 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
9126         PR middle-end/71371
9127         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
9128         around creation of the temporary.
9130 2016-06-01  Richard Biener  <rguenther@suse.de>
9132         PR tree-optimization/71366
9133         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
9134         (unloop_loops): Move removing edges here ...
9135         (try_unroll_loop_completely): ... from here.
9136         (try_peel_loop): ... and here.
9137         (tree_unroll_loops_completely_1): Track parent loops via
9138         bitmap of header BBs.
9139         (tree_unroll_loops_completely): Adjust for that.
9141 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9143         * config/rs6000/altivec.h (vec_slv): New macro.
9144         (vec_srv): New macro.
9145         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
9146         (UNSPEC_VSRV): New value.
9147         (vslv): New insn.
9148         (vsrv): New insn.
9149         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
9150         (vsrv): New builtin definition.
9151         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
9152         define argument types for new builtin.
9153         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
9154         new builtin.
9155         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
9156         functions.
9158 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
9159             Jocelyn Mayer  <l_indien@magic.fr>
9161         PR target/67310
9162         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
9163         detect processor family for signature_CENTAUR_ebx.
9164         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
9165         signature_CENTAUR_ebx.
9166         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
9167         <default>: Pass x86-64 for has_longmode.
9169 2016-06-01  Nathan Sidwell  <nathan@acm.org>
9171         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
9172         undefined weak.
9174 2016-06-01  Richard Biener  <rguenther@suse.de>
9176         PR tree-optimization/71261
9177         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
9178         of stmts successfully put in the bool pattern.  Remove
9179         single-use restriction.
9180         (adjust_bool_pattern_cast): Add cast at the use site via the
9181         pattern def sequence.
9182         (adjust_bool_pattern): Remove recursion, maintain a hash-map
9183         of patterned defs.  Use the pattern def seqence instead of
9184         multiple independent patterns.
9185         (sort_after_uid): New qsort compare function.
9186         (adjust_bool_stmts): New function to process stmts in the bool
9187         pattern in IL order.
9188         (vect_recog_bool_pattern): Adjust.
9189         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
9190         (ifcvt_walk_pattern_tree): Likewise.
9191         (stmt_is_root_of_bool_pattern): Likewise.
9192         (ifcvt_repair_bool_pattern): Likewise.
9193         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
9195 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
9197         * loop-unroll.c (decide_unroll_constant_iterations,
9198         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
9199         likely upper bounds.
9200         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
9202 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
9204         * tree-core.h (enum omp_clause_code): Remove
9205         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
9207 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9209         * config/arm/sync.md (arm_store_exclusive<mode>):
9210         Use 'H' output modifier on operands[2] rather than creating a new
9211         entry in out-of-bounds memory of the operands array.
9212         (arm_store_release_exclusivedi): Likewise.
9214 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9216         * config/arm/arm.c (arm_fusion_enabled_p): New function.
9217         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
9218         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
9219         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
9221 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
9223         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
9224         into account live statements for mask producers.
9226 2016-06-01  Richard Biener  <rguenther@suse.de>
9228         PR tree-optimization/71311
9229         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
9230         restrict to non-INTEGER_CST @0.
9232 2016-06-01  Richard Biener  <rguenther@suse.de>
9234         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
9235         (relational patterns): Use :c to avoid pattern duplications.
9237 2016-06-01  Richard Biener  <rguenther@suse.de>
9239         * genmatch.c (comparison_code_p): New predicate.
9240         (swap_tree_comparison): New function.
9241         (commutate): Add for_vec parameter to append new for entries.
9242         Support commutating relational operators by swapping it alongside
9243         operands.
9244         (lower_commutative): Adjust.
9245         (dt_simplify::gen): Do not pass artificial operators to gen
9246         functions.
9247         (decision_tree::gen): Do not add artificial operators as parameters.
9248         (parser::parse_expr): Verify operator commutativity when :c is
9249         applied.  Allow :C to override this.
9250         * match.pd: Adjust patterns to use :C instead of :c where required.
9252 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
9254         PR tree-optimization/71077
9255         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
9256         the combining step, use boolean_false_node and boolean_true_node
9257         as the designated false/true return values.
9259 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
9261         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
9262         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
9263         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
9264         PRED_LOOP_EXIT.
9266 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
9268         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
9269         of flags impliying the register renaming.
9270         * toplev.c (process_options): Do not imply flag_rename_registers with
9271         loop peeling.
9273 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
9275         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
9276         default implementation.
9278 2016-05-31  Nathan Sidwell  <nathan@acm.org>
9280         * dwarf2out.c (cur_line_info_table): Add GTY marker.
9282 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
9284         * config/sh/constraints.md (b): Remove constraint.
9285         * config/sh/predicates.md (arith_reg_operand): Remove
9286         TARGET_REGISTER_P.
9287         * config/sh/sh-modes.def (PDI): Remove.
9288         * config/sh/sh.c (sh_target_reg_class,
9289         sh_optimize_target_register_callee_saved): Remove functions.
9290         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
9291         (sh_expand_epilogue): Update comment.
9292         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
9293         sh_secondary_reload): Remove TARGET_REGS related code.
9294         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
9295         TARGET_REGISTER_P): Remove macros.
9296         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
9297         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
9298         TR1_REG, TR2_REG): Remove constants.
9299         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
9301 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
9303         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
9304         define_expand patterns.
9305         (adddi3_compact): Rename to adddi3.
9306         (subdi3_compact): Rename to subdi3.
9307         (*negdi2): Rename to negdi2.
9308         (*abs<mode>2): Rename to abs<mode>2.
9310 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
9312         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
9313         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
9314         (atomic_sub_fetchsi): ... this new pattern.
9315         (mvtc): Add CC_REG clobber.
9317 2016-05-31  Marek Polacek  <polacek@redhat.com>
9319         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
9321 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9323         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
9324         aarch64_fusion_enabled_p to check for fusion capabilities.
9326 2016-05-31  Richard Biener  <rguenther@suse.de>
9328         PR tree-optimization/71352
9329         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
9330         minus one and a negate.
9332 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9334         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
9335         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
9336         Delete prototype.
9337         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
9338         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
9339         Remove use of aarch64_simd_attr_length_move, set length attribute
9340         directly.
9341         (*aarch64_be_movoi): Likewise.
9342         (*aarch64_be_movci): Likewise.
9343         (*aarch64_be_movxi): Likewise.
9345 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
9347         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
9348         It no longer does that.
9349         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
9351 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
9353         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
9354         attribute __unused__.
9356 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9358         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
9359         * config/arm/arm.c (arm_arch_thumb1): Define.
9360         (arm_option_override): Initialize arm_arch_thumb1.
9361         * config/arm/arm.h (arm_arch_thumb1): Declare.
9362         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
9363         support Thumb-1 ISA.
9365 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9367         PR target/71346
9368         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
9369         `Yv' for scalar operand.
9371 2016-05-31  Tom de Vries  <tom@codesourcery.com>
9373         PR tree-optimization/69068
9374         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
9375         phis with more than two args.
9377 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
9379         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
9380         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
9381         target.
9383 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
9385         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
9386         tune_64.
9387         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
9388         support on SPARC.
9389         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
9390         cpu_32, cpu_64, tune_32 and tune_64.
9391         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
9393 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
9395         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
9397 2016-05-30  Andi Kleen  <ak@linux.intel.com>
9399         * auto-profile.c (read_profile): Replace asserts with errors
9400         when file does not exist.
9401         * gcov-io.c (gcov_read_words): Dito.
9403 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
9405         * tree-cfg.c (print_loop): Print likely upper bounds.
9407 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
9409         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
9410         * opts.c (default_options): Enable peel loops at -O3.
9411         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
9412         (try_peel_loop): Do not re-peel already peeled loops;
9413         use likely upper bounds; fix profile updating.
9414         (pass_complete_unroll::execute): Initialize peeled_loops.
9416 2016-05-30  Martin Liska  <mliska@suse.cz>
9418         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
9419         computed costs by frequency of BB they belong to.
9420         (get_scaled_computation_cost_at): New function.
9422 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
9423             Marc Glisse  <marc.glisse@inria.fr>
9425         PR tree-optimization/71289
9426         * match.pd (-1 / B < A, A > -1 / B): New transformations.
9428 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
9430         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
9432 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
9434         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
9435         for peeled copies; avoid underflow when updating estimates; correctly
9436         scale loop profile.
9438 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
9440         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
9441         r236875. Corrected oe3 to oe2 as obvious.
9443 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
9445         PR middle-end/71269
9446         PR middle-end/71252
9447         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
9448         that inserted stmt will not dominate stmts that defines its operand.
9449         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
9450         (rewrite_expr_tree_parallel): Likewise.
9452 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
9454         PR middle-end/71252
9455         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
9456         all fields including stmt_to_insert are swapped.
9458 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
9460         * predict.h (force_edge_cold): Declare.
9461         * predict.c (force_edge_cold): New function.
9462         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
9463         updating.
9464         (canonicalize_loop_induction_variables): Fix formating.
9466 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
9468         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
9469         (visium_expand_copysign): Use gen_int_mode directly.
9470         (visium_compute_frame_size): Minor tweaks.
9472 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
9474         * tree-vect-loop.c (vect_analyze_loop_2): Use
9475         likely_max_stmt_executions_int.
9477 2016-05-30  Tom de Vries  <tom@codesourcery.com>
9479         PR tree-optimization/69067
9480         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
9482 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
9484         PR target/71245
9485         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
9486         New peepholes to remove unneeded fild/fistp pairs.
9487         (define_peephole2 atomic_loaddi_fpu): Ditto.
9489 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
9491         * predict.c (maybe_hot_frequency_p): Avoid division.
9493 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
9495         * doc/install.texi: Use https for shop.fsf.org.
9497 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
9499         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
9500         likely_max_stmt_executions_int.
9502 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
9504         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
9505         likely_max_stmt_executions_int.
9507 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
9509         * profile.c (compute_branch_probabilities): Do not report hitrates
9510         here.
9511         (branch_prob): Report hitrates here.
9512         * predict.c (gimple_predict_edge): Do not assert profile status;
9513         fix formatting issues.
9515 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
9517         * predict.c (edge_predicted_by_p): New function.
9518         (predict_paths_for_bb): Do not put multiple predictions of the same type
9519         on one edge.
9521 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
9523         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
9524         commit.
9526 2016-05-28  Alan Modra  <amodra@gmail.com>
9528         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
9530 2016-05-28  Alan Modra  <amodra@gmail.com>
9532         PR rtl-optimization/71275
9533         * ira.c (ira): Free dominance info.
9535 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
9537         * doc/sourcebuild.texi: New address for upstream Go repository.
9539 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9541         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
9542         (TARGET_ARM_V7M): Likewise.
9544 2016-05-26  Jeff Law  <law@redhat.com>
9546         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
9547         (thread_across_edge): Remove calls to find_jump_threads_backwards.
9548         * passes.def: Add jump threading passes before DOM/VRP.
9549         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
9550         argument to a basic block from an edge.  Remove tests which are
9551         handled elsewhere.
9552         (pass_data_thread_jumps, class pass_thread_jumps): New.
9553         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
9554         (make_pass_thread_jumps): Likewise.
9555         * tree-pass.h (make_pass_thread_jumps): Declare.
9557 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
9559         * config/visium/visium-protos.h (split_double_move): Rename into...
9560         (visium_split_double_move): ...this.
9561         (visium_split_double_add): Declare.
9562         * config/visium/visium.c (split_double_move): Rename into...
9563         (visium_split_double_move): ...this.
9564         (visium_split_double_add): New function.
9565         (visium_expand_copysign): Renumber operands for consistency.
9566         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
9567         (DFmode move splitter): Likewise.
9568         (*addi3_insn): Split by means of visium_split_double_add.
9569         (*adddi3_insn_flags): Delete.
9570         (*plus_plus_sltu<subst_arith>): New insn.
9571         (*subdi3_insn): Split by means of visium_split_double_add.
9572         (subdi3_insn_flags): Delete.
9573         (*minus_minus_sltu<subst_arith>): New insn.
9574         (*negdi2_insn): Split by means of visium_split_double_add.
9575         (*negdi2_insn_flags): Delete.
9577 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
9579         * configure.ac: Treat a --with-headers option without argument
9580         the same as the default (i.e. consult sys-include directory).
9581         * configure: Regenerate.
9583 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9585         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
9586         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
9587         prototype.
9588         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
9589         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
9591 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
9593         PR target/63596
9594         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
9595         tree-stdarg analysis results.
9596         (aarch64_setup_incoming_varargs): Likewise.
9598 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
9600         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
9601         va_list_gpr_counter_field and va_list_fpr_counter_field.
9603 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
9605         PR67609
9606         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
9607         * config/aarch64/aarch64.c
9608         (aarch64_cannot_change_mode_class): Remove function.
9609         * config/aarch64/aarch64-protos.h
9610         (aarch64_cannot_change_mode_class): Remove.
9612 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
9614         * cfgloop.c (record_niter_bound): Record likely upper bounds.
9615         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
9616         get_likely_max_loop_iterations_int): New.
9617         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
9618         any_likely_upper_bound.
9619         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
9620         Declare.
9621         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
9622         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
9623         upper bound.
9624         (unroll_loop_constant_iterations): Likewise.
9625         (unroll_loop_runtime_iterations): Likewise.
9626         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
9627         * lto-streamer-out.c (output_cfg): Likewise.
9628         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
9629         bounds.
9630         (canonicalize_loop_induction_variables): Dump likely upper bounds.
9631         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
9632         (likely_max_loop_iterations): New.
9633         (likely_max_loop_iterations_int): New.
9634         (likely_max_stmt_executions): New.
9635         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
9636         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
9637         likely_max_stmt_executions): Declare.
9639 2016-05-27  Marek Polacek  <polacek@redhat.com>
9641         PR middle-end/71308
9642         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
9644 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9646         * config/s390/s390.md (2x risbg splitters): Use
9647         reg_overlap_mentioned_p instead of rtx_equal_p.
9649 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9651         * combine.c (make_compound_operation): Take known zero bits into
9652         account when checking for possible zero_extend.
9654 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9656         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
9657         Use const_int_operand for operand 2 predicate.  Simplify expand code
9658         as a result.
9660 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
9662         PR middle-end/71279
9663         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
9664         into comparison.
9666 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9668         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
9669         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
9670         that returns CC_SESWPmode and CC_ZESWPmode.
9671         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
9672         and CC_SESWPmode.
9673         (aarch64_rtx_costs): Likewise.
9675 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
9677         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
9678         for ISA 3.0 min/max support.
9679         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
9680         conditional move support.
9681         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
9682         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
9683         available.
9684         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
9685         conditional moves where the comparison type is different from move
9686         type.
9687         (fp_minmax): New code iterator for smin/smax.
9688         (minmax): New code attributes for min/max.
9689         (SMINMAX): Likewise.
9690         (smax<mode>3): Combine min, max insns into one insn using the
9691         fp_minmax code iterator.  Add support for ISA 3.0 min/max
9692         instructions that don't need -ffast-math.
9693         (s<minmax><mode>3): Likewise.
9694         (smax<mode>3_vsx): Likewise.
9695         (smin<mode>3): Likewise.
9696         (s<minmax><mode>3_vsx): Likewise.
9697         (smin<mode>3_vsx): Likewise.
9698         (pre-VSX min/max splitters): Likewise.
9699         (s<minmax><mode>3_fpr): Likewise.
9700         (movsfcc): Rewrite floating point conditional moves to combine
9701         SFmode/DFmode into a single insn.
9702         (mov<mode>cc): Likewise.
9703         (movdfcc): Likewise.
9704         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
9705         SFDF2 iterators to handle all combinations.
9706         (fseldfsf4): Likewise.
9707         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
9708         (fseldfdf4): Likewise.
9709         (fselsfdf4): Likewise.
9710         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
9711         comparison instructions that set a 0/-1 mask, and use it for
9712         floating point conditional move via XXSEL.
9713         (fpmask<mode>): Likewise.
9714         (xxsel<mode>): Likewise.
9715         * config/rs6000/predicates.md (min_max_operator): Delete, no
9716         longer used.
9717         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
9718         instructions that generate a 0/-1 mask for use with XXSEL.
9719         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
9720         say whether floating point min/max is available, either through
9721         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
9722         (TARGET_MINMAX_DF): Likewise.
9724 2016-05-27  Alan Modra  <amodra@gmail.com>
9726         PR rtl-optimization/71275
9727         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
9728         for update_equiv_regs and combine_and_move_insns.
9730 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
9732         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
9733         if_then_else or cond RTXes to calculate attribute value.
9734         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
9735         <attr "length_immediate>: Ditto.
9736         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
9737         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
9738         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
9739         <attr "type">: Ditto.
9740         <attr "prefix_data16">: Ditto.
9741         <attr "prefix_extra">: Ditto.
9742         <attr "length_immediate">: Ditto.
9743         <attr "prefix">: Ditto.
9744         (vec_set<mode>_0) <attr "isa">: Ditto.
9745         <attr "prefix_extra">: Ditto.
9746         <attr "length_immediate">: Ditto.
9747         <attr "prefix">: Ditto.
9748         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
9749         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
9750         (sse2_storelpd) <attr "prefix_data16">: Ditto.
9751         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
9752         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
9753         <attr "length_immediate">: Ditto.
9754         <attr "prefix">: Ditto.
9755         (sse2_movsd) <attr "length_immediate">: Ditto.
9756         <attr "prefix">: Ditto.
9757         (vec_concatv2df)  <attr "isa">: Ditto.
9758         <attr "prefix">: Ditto.
9759         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
9760         (*vec_extractv2di_1) <attr "isa">: Ditto.
9761         <attr "type">: Ditto.
9762         <attr "length_immediate">: Ditto.
9763         <attr "prefix_rex">: Ditto.
9764         <attr "prefix_extra">: Ditto.
9765         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
9766         <attr "prefix_extra">: Ditto.
9767         <attr "length_immediate">: Ditto.
9768         (vec_concatv2di) <attr "isa">: Ditto.
9769         <attr "prefix_extra">: Ditto.
9770         <attr "length_immediate">: Ditto.
9771         <attr "prefix">: Ditto.
9773 2016-05-26  Martin Liska  <mliska@suse.cz>
9775         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
9776         function.
9777         (operator+): Likewise.
9778         (operator-): Likewise.
9779         (comp_cost::operator+=): Likewise.
9780         (comp_cost::operator-=): Likewise.
9781         (comp_cost::operator/=): Likewise.
9782         (comp_cost::operator*=): Likewise.
9783         (operator<): Likewise.
9784         (operator==): Likewise.
9785         (operator<=): Likewise.
9786         (new_cost): Remove.
9787         (infinite_cost_p): Likewise.
9788         (add_costs): Likewise.
9789         (sub_costs): Likewise.
9790         (compare_costs): Likewise.
9791         (set_group_iv_cost): Use the newly introduced functions.
9792         (get_address_cost): Likewise.
9793         (get_shiftadd_cost): Likewise.
9794         (force_expr_to_var_cost): Likewise.
9795         (split_address_cost): Likewise.
9796         (ptr_difference_cost): Likewise.
9797         (difference_cost): Likewise.
9798         (get_computation_cost_at): Likewise.
9799         (determine_group_iv_cost_generic): Likewise.
9800         (determine_group_iv_cost_address): Likewise.
9801         (determine_group_iv_cost_cond): Likewise.
9802         (autoinc_possible_for_pair): Likewise.
9803         (determine_group_iv_costs): Likewise.
9804         (cheaper_cost_pair): Likewise.
9805         (iv_ca_recount_cost): Likewise.
9806         (iv_ca_set_no_cp): Likewise.
9807         (iv_ca_set_cp): Likewise.
9808         (iv_ca_cost): Likewise.
9809         (iv_ca_new): Likewise.
9810         (iv_ca_dump): Likewise.
9811         (iv_ca_narrow): Likewise.
9812         (iv_ca_prune): Likewise.
9813         (iv_ca_replace): Likewise.
9814         (try_add_cand_for): Likewise.
9815         (try_improve_iv_set): Likewise.
9816         (find_optimal_iv_set): Likewise.
9818 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
9820         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
9821         that internal functions will clobber all caller-saved registers.
9823 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
9825         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
9826         Return a better case_values_threshold when optimizing.
9828 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
9830         * config/aarch64/aarch64-simd.md (aarch64_combinez):
9831         Add ? to integer variant.
9832         (aarch64_combinez_be): Likewise.
9834 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
9836         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
9837         instead of x constraint.
9838         (vcvtps2ph256<mask_name>): Likewise.
9840         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
9841         alternative.  Formatting fix.
9843         * config/i386/sse.md
9844         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
9845         to ...
9846         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
9847         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
9848         maybe_evex prefix instead of vex.
9849         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
9850         EXT_REX_SSE_REG_P (op0) case in the splitter.
9852 2016-05-25  Jeff Law  <law@redhat.com>
9854         PR tree-optimization/71272
9855         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
9856         Update comments.  Add test for empty path.
9858 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
9860         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
9861         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
9862         special case builtin.
9863         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
9864         code for ALTIVEC_BUILTIN_VEC_CMPNE.
9865         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
9866         for __builtin_vec_cmpne.
9868 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9870         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
9871         redundant test and bail out if the type of the new operand is not
9872         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
9874 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
9876         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
9877         (x_ix86_target_flags_explicit): Remove.
9878         * config/i386/i386.c (ix86_function_specific_save): Do not copy
9879         x_ix86_target_flags_explicit.
9880         (ix86_function_specific_restore): Ditto.
9882 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
9883             H.J. Lu  <hongjiu.lu@intel.com>
9885         PR target/70738
9886         * common/config/i386/i386-common.c
9887         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
9888         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
9889         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
9890         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
9891         (-mgeneral-regs-only): Add new option.
9892         * config/i386/i386.c (ix86_option_override_internal): Don't enable
9893         x87 instructions if only general registers are allowed.
9894         (ix86_target_string): Add ix86_flags argument. Handle additional
9895         flags options through ix86_flags argument.  Update all callers.
9896         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
9898 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9900         PR rtl-optimization/66940
9901         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
9902         decrementing desired_val will not overflow before performing these
9903         operations.
9905 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
9907         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
9908         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
9909         * config/i386/i386.c (enum ix86_builtins): Add
9910         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
9911         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
9912         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
9913         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
9914         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
9915         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
9916         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
9917         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
9918         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
9919         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
9920         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
9921         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
9922         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
9923         __builtin_ia32_cvtps2dq512_mask.
9924         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
9925         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
9926         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
9927         * config/i386/sse.md
9928         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
9929         Rename to ...
9930         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
9931         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
9932         to ...
9933         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
9934         (avx512f_vec_pack_sfix_v8df): New define_expand.
9935         (avx512f_roundpd512): Rename to ...
9936         (avx512f_round<castmode>512): ... this.  Change iterator.
9937         (avx512f_roundps512_sfix): New define_expand.
9938         (round<mode>2_sfix): Change iterator.
9940 2016-05-25  Nick Clifton  <nickc@redhat.com>
9942         * config/msp430/msp430.c (msp430_attr): Produce an error if a
9943         static interrupt handler is detected.
9944         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
9945         default linker script.
9946         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
9947         the low part of a symbolic pointer.
9949 2016-05-25  Richard Biener  <rguenther@suse.de>
9951         PR tree-optimization/71261
9952         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
9953         interesting stmt instead of immediate uses when looking
9954         for the use operand to replace.
9956 2016-05-25  Martin Liska  <mliska@suse.cz>
9958         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
9960 2016-05-25  Richard Biener  <rguenther@suse.de>
9962         PR tree-optimization/71264
9963         * tree-vect-stmts.c (vect_init_vector): Properly deal with
9964         vector type val.
9966 2016-05-25  Martin Liska  <mliska@suse.cz>
9968         PR tree-optimization/71239
9969         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
9970         if DECL_SIZE is NULL.
9972 2016-05-25  Richard Biener  <rguenther@suse.de>
9974         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
9975         * tree-if-conv.c (pass_data_if_conversion): Use it.
9977 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9979         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
9980         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
9981         * varpool.c (varpool_node::get_availability): Likewise.
9983 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
9985         * config/rs6000/altivec.md (VNEG iterator): New iterator for
9986         VNEGW/VNEGD instructions.
9987         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
9988         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
9989         support for ISA 3.0 VNEGW/VNEGD instructions.
9991 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
9993         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
9994         pointers inside OACC_DATA regions.
9995         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
9996         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
9997         (gimplify_adjust_omp_clauses): Fix typo in comment.
9999 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
10001         * config/rs6000/altivec.md (VParity): New mode iterator for vector
10002         parity built-in functions.
10003         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
10004         zeros.
10005         (p9v_parity<mode>2): Likewise.
10006         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
10007         parity.
10008         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
10009         (parity<mode>2): ISA 3.0 expander for vector parity.
10010         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
10011         power9 built-ins.
10012         (BU_P9_64BIT_MISC_0): Likewise.
10013         (BU_P9_MISC_0): Likewise.
10014         (BU_P9V_AV_1): Likewise.
10015         (BU_P9V_AV_2): Likewise.
10016         (BU_P9V_AV_3): Likewise.
10017         (BU_P9V_AV_P): Likewise.
10018         (BU_P9V_VSX_1): Likewise.
10019         (BU_P9V_OVERLOAD_1): Likewise.
10020         (BU_P9V_OVERLOAD_2): Likewise.
10021         (BU_P9V_OVERLOAD_3): Likewise.
10022         (VCTZB): Add vector count trailing zeros support.
10023         (VCTZH): Likewise.
10024         (VCTZW): Likewise.
10025         (VCTZD): Likewise.
10026         (VPRTYBD): Add vector parity support.
10027         (VPRTYBQ): Likewise.
10028         (VPRTYBW): Likewise.
10029         (VCTZ): Add overloaded vector count trailing zeros support.
10030         (VPRTYB): Add overloaded vector parity support.
10031         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10032         overloaded vector count trailing zeros and parity instructions.
10033         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
10034         vector parity support.
10035         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
10036         trailing zeros support.
10037         (vec_cntlz): Likewise.
10038         (vec_vctzb): Likewise.
10039         (vec_vctzd): Likewise.
10040         (vec_vctzh): Likewise.
10041         (vec_vctzw): Likewise.
10042         (vec_vprtyb): Add ISA 3.0 vector parity support.
10043         (vec_vprtybd): Likewise.
10044         (vec_vprtybw): Likewise.
10045         (vec_vprtybq): Likewise.
10046         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
10047         the ISA 3.0 vector count trailing zeros and vector parity built-in
10048         functions.
10050 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
10052         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
10053         when there is stmt_to_insert.
10055 2016-05-24  Martin Sebor  <msebor@redhat.com>
10057         PR c++/71147
10058         * tree.h (complete_or_array_type_p): New inline function.
10060 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
10062         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
10063         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
10064         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
10066         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
10067         Limit 1st alternative to noavx isa, split 2nd alternative into one
10068         noavx and one avx alternative, use *x and Bm in the former and
10069         x and m in the latter.
10071         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
10072         of sse4 for the first alternative, drop %v from the template
10073         and d operand modifier.  Split second alternative into one sse4_noavx
10074         and one avx alternative, use *x instead of *v in the former and v
10075         instead of *v in the latter.
10076         (*sse4_1_extractps): Use noavx isa instead of * for the first
10077         alternative, drop %v from the template.  Split second alternative into
10078         one noavx and one avx alternative, use *x instead of *v in the
10079         former and v instead of *v in the latter.
10080         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
10081         with noavx and the last one with avx.
10082         (sse4_1_phminposuw): Guard first alternative with noavx isa,
10083         split the second one into one noavx and one avx alternative,
10084         use *x and Bm in the former and x and m in the latter one.
10085         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
10086         alternatives.
10088         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
10089         first two alternatives to noavx, use *x instead of *v in the second
10090         one, add avx alternative without *.
10091         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
10092         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
10093         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
10095 2016-05-24  Jeff Law  <law@redhat.com>
10097         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
10098         New function, extracted from...
10099         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
10100         Allow simple copies and constant initializations in the SSA chain.
10102 2016-05-24  Marek Polacek  <polacek@redhat.com>
10104         PR c/71249
10105         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
10106         scope.
10108 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
10110         PR c++/71257
10111         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
10112         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
10113         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
10114         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
10115         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
10117 2016-05-24  Richard Biener  <rguenther@suse.de>
10119         PR tree-optimization/71240
10120         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
10121         has integral type.
10123 2016-05-24  Richard Biener  <rguenther@suse.de>
10125         PR tree-optimization/71230
10126         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
10128 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
10130         * tree-vectorizer.h (vectorizable_comparison): Delete.
10131         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
10132         PURE_SLP_STMT check.
10133         * tree-vect-stmts.c (vectorizable_call): Likewise.
10134         (vectorizable_simd_clone_call): Likewise.
10135         (vectorizable_conversion): Likewise.
10136         (vectorizable_assignment): Likewise.
10137         (vectorizable_shift): Likewise.
10138         (vectorizable_operation): Likewise.
10139         (vectorizable_load): Likewise.
10140         (vectorizable_condition): Likewise.
10141         (vectorizable_store): Likewise.  Assert that we don't have
10142         hybrid SLP.
10143         (vectorizable_comparison): Make static.  Remove redundant
10144         PURE_SLP_STMT check.
10145         (vect_transform_stmt): Assert that we always have an slp_node
10146         if PURE_SLP_STMT.
10148 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10150         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
10151         operands[2] against 1 with comparison against CONST1_RTX.
10152         (<shift>di3_neon): Likewise.
10153         * config/arm/predicates.md (const0_operand): Replace with comparison
10154         against CONST0_RTX.
10156 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10158         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
10159         operands[2] against 1 with comparison against CONST1_RTX.
10160         (ashrdi3): Likewise.
10161         (lshrdi3): Likewise.
10162         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
10163         UINTVAL.
10164         (ashrsi3): Likewise.
10165         (lshrsi3): Likewise.
10166         (rotrsi3): Likewise.
10167         (define_split above *compareqi_eq0): Likewise.
10168         (define_split above "prologue"): Likewise.
10169         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
10170         * config/arm/predicates.md (shift_operator): Likewise.
10171         (shift_nomul_operator): Likewise.
10172         (sat_shift_operator): Likewise.
10173         (thumb1_cmp_operand): Likewise.
10174         (const_neon_scalar_shift_amount_operand): Replace manual range
10175         check with IN_RANGE.
10176         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
10177         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
10179 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10181         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
10182         with HOST_WIDE_INT_1.
10183         (insv): Likewise.
10184         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
10185         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
10186         (arm_canonicalize_comparison): Likewise.
10187         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
10188         HOST_WIDE_INT_1.
10189         (thumb1_size_rtx_costs): Likewise.
10190         (vfp_const_double_index): Replace cast of 1 to unsigned
10191         HOST_WIDE_INT with HOST_WIDE_INT_1U.
10192         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
10193         HOST_WIDE_INT_1.
10194         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
10195         HOST_WIDE_INT with HOST_WIDE_INT_1U.
10196         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
10197         HOST_WIDE_INT with HOST_WIDE_INT_1.
10199 2016-05-24  Marek Polacek  <polacek@redhat.com>
10201         * tree-cfg.h (should_remove_lhs_p): New predicate.
10202         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
10203         * gimplify.c (gimplify_modify_expr): Likewise.
10204         * tree-cfg.c (verify_gimple_call): Likewise.
10205         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
10206         * gimple-fold.c: Include "tree-cfg.h".
10207         (gimple_fold_call): Use should_remove_lhs_p.
10209 2016-05-24  Richard Biener  <rguenther@suse.de>
10211         PR tree-optimization/71253
10212         * cfganal.h (control_dependences): Make robust against edge
10213         and BB removal.
10214         (control_dependences::control_dependences): Remove edge_list argument.
10215         (control_dependences::get_edge): Remove.
10216         (control_dependences::get_edge_src): Add.
10217         (control_dependences::get_edge_dest): Likewise.
10218         (control_dependences::m_el): Make a vector of edge src/dest index.
10219         * cfganal.c (control_dependences::find_control_dependence): Adjust.
10220         (control_dependences::control_dependences): Likewise.
10221         (control_dependences::~control_dependence): Likewise.
10222         (control_dependences::get_edge): Remove.
10223         (control_dependences::get_edge_src): Add.
10224         (control_dependences::get_edge_dest): Likewise.
10225         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
10226         get_edge_src.
10227         (perform_tree_ssa_dce): Adjust.
10228         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
10229         get_edge_src.
10230         (pass_loop_distribution::execute): Adjust.  Do loop destroying
10231         conditional on changed.
10233 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10235         PR target/69857
10236         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
10237         return.  Reindent transformation comment and mention the ARM state
10238         behavior.
10240 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
10242         PR middle-end/71252
10243         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
10244         after build_and_add_sum creates new use stmt.
10246 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
10248         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
10249         load_lanes/grouped_load classification comes first.  Don't check
10250         whether the vectorization factor is a multiple of the group size
10251         for load_lanes.
10253 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
10255         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
10256         GROUP_GAP for single-element interleaving.
10257         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
10258         variable.
10260 2016-05-24  Richard Biener  <rguenther@suse.de>
10262         PR middle-end/70434
10263         PR c/69504
10264         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
10265         bases which are accessed with non-invariant indices.
10266         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
10267         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
10269 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
10271         PR middle-end/71170
10272         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
10273         (add_to_ops_vec): Add stmt_to_insert.
10274         (add_repeat_to_ops_vec): Init stmt_to_insert.
10275         (insert_stmt_before_use): New.
10276         (transform_add_to_multiply): Remove mult_stmt insertion and add it
10277         to ops vector.
10278         (get_ops): Init stmt_to_insert.
10279         (maybe_optimize_range_tests): Likewise.
10280         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
10281         (rewrite_expr_tree_parallel): Likewise.
10282         (reassociate_bb): Likewise.
10284 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
10286         PR target/71201
10287         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
10288         ISA 3.0 xxperm fusion alternative.
10289         (altivec_vperm_v8hiv16qi): Likewise.
10290         (altivec_vperm_<mode>_uns_internal): Likewise.
10291         (vperm_v8hiv4si): Likewise.
10292         (vperm_v16qiv8hi): Likewise.
10294 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
10295             Kelvin Nilsen  <kelvin@gcc.gnu.org>
10297         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
10298         vpermr/xxpermr on ISA 3.0.
10299         (altivec_expand_vec_perm_le): Likewise.
10300         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
10301         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
10302         ISA 3.0.
10304 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
10306         * config/i386/i386.h (IS_STACK_MODE): Enable for
10307         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
10308         SSE_FLOAT_MODE_P macros.
10309         * config/i386/i386.c (ix86_preferred_reload_class): Use
10310         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
10311         Cleanup regclass processing for CONST_DOUBLE_P.
10312         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
10313         (ix86_rtx_costs): Remove redundant TARGET_80387 check
10314         with IS_STACK_MODE macro.
10315         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
10316         with TARGET_SSE2.
10317         (*movdf_internal): Use IS_STACK_MODE macro.
10318         (*movsf_internal): Ditto.
10320 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
10322         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
10323         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
10325 2016-05-23  Jeff Law  <law@redhat.com>
10327         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
10328         extracted from ...
10329         (fsm_find_control_statement_thread_paths): Call it.
10331 2016-05-23  Martin Jambor  <mjambor@suse.cz>
10333         PR ipa/71234
10334         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
10335         from_global_constant if t is not NULL.
10337 2016-05-23  Marek Polacek  <polacek@redhat.com>
10339         PR c/49859
10340         * common.opt (Wswitch-unreachable): New option.
10341         * doc/invoke.texi: Document -Wswitch-unreachable.
10342         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
10343         warning.
10345 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
10347         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
10348         TMR_INDEX is non-NULL.
10350 2016-05-23  Richard Biener  <rguenther@suse.de>
10352         PR tree-optimization/71230
10353         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
10354         (try_special_add_to_ops): ... here.  Always test for single-use.
10356 2016-05-23  Martin Jambor  <mjambor@suse.cz>
10358         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
10359         default block if a PHI node in the original one would be resized.
10361 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10363         PR tree-optimization/58135
10364         * tree-vect-slp.c: When group size is not multiple
10365         of vector size, allow splitting of store group at
10366         vector boundary.
10368 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
10370         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
10372 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
10374         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10375         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
10376         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
10377         of 64x2.
10379         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
10380         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
10381         v constraint instead of x and vinserti32x4 insn.
10383         * config/i386/sse.md (i128vldq): New mode iterator.
10384         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
10385         avx512dq and avx512vl alternatives.
10387         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
10388         constraint, use maybe_evex prefix instead of vex.
10389         (vec_dupv4sf): Use v constraint instead of x for output
10390         operand except for noavx alternative, use Yv constraint
10391         instead of x for input.  Use maybe_evex prefix instead of vex.
10392         (*vec_dupv4si): Likewise.
10393         (*vec_dupv2di): Likewise.
10395 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
10397         PR middle-end/40921
10398         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
10399         (linearize_expr_tree): Call try_special_add_to_ops.
10400         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
10402 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10404         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
10405         to computed stack_usage.
10407 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
10409         PR target/71103
10410         * config/avr/avr.md (define_expand "mov<mode>"): If the source
10411         operand is subreg (symbol_ref) then move the symbol ref to register.
10413 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
10415         * tree.c (array_at_struct_end_p): Look through MEM_REF.
10417 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
10419         PR middle-end/71179
10420         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
10421         VECTOR type.
10423 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
10425         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
10426         ranges by calling get_single_symbol and tidy up.  Look more closely
10427         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
10429 2016-05-20  Jeff Law  <law@redhat.com>
10431         * bitmap.c (bitmap_find_bit): Remove useless test.
10433 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
10435         * function.c (thread_prologue_and_epilogue_insns): Commit the
10436         insertion of the epilogue.
10438 2016-05-20  Martin Jambor  <mjambor@suse.cz>
10440         PR tree-optimization/70884
10441         * tree-sra.c (initialize_constant_pool_replacements): Do not check
10442         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
10443         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
10444         of constant pool data as a reason for scalarization.
10446 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
10448         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
10449         for naked functions.
10450         (thumb1_expand_prologue): Likewise.
10452 2016-05-20  Nathan Sidwell  <nathan@acm.org>
10454         * config/nvptx/nptx.c (nvptx_option_override): Only set
10455         flag_toplevel_reorder, if not explicitly specified.  Set
10456         flag_no_common, unless explicitly specified.
10458 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
10460         * calls.c (can_implement_as_sibling_call_p): Mark param
10461         reg_parm_stack_space with ATTRIBUTE_UNUSED.
10463 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
10465         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
10466         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
10467         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
10468         constants.
10469         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
10470         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
10471         and CASE_CONST_ANY.
10473 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
10475         * config/nvptx/nvptx.md (sincossf3): New pattern.
10477 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
10479         * calls.c (maybe_complain_about_tail_call): New function.
10480         (initialize_argument_information): Call
10481         maybe_complain_about_tail_call when clearing *may_tailcall.
10482         (can_implement_as_sibling_call_p): Call
10483         maybe_complain_about_tail_call when returning false.
10484         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
10485         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
10486         if tail-call optimization fails.
10487         * cfgexpand.c (expand_call_stmt): Initialize
10488         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
10489         * gimple-pretty-print.c (dump_gimple_call): Dump
10490         gimple_call_must_tail_p.
10491         * gimple.c (gimple_build_call_from_tree): Call
10492         gimple_call_set_must_tail with the value of
10493         CALL_EXPR_MUST_TAIL_CALL.
10494         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
10495         (gimple_call_set_must_tail): New function.
10496         (gimple_call_must_tail_p): New function.
10497         * print-tree.c (print_node): Update printing of TREE_STATIC
10498         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
10499         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
10500         trailing comment listing applicable flags.
10501         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
10503 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
10505         * calls.c (expand_call): Move "Rest of purposes for tail call
10506         optimizations to fail" to...
10507         (can_implement_as_sibling_call_p): ...this new function, and
10508         split into multiple "if" statements.
10510 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
10512         * cfgloop.h (expected_loop_iterations_unbounded,
10513         expected_loop_iterations): Unconstify.
10514         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
10515         profile with known upper bound; return 3 when profile is absent.
10516         (expected_loop_iterations): Update.
10518 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
10520         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
10521         and get_max_loop_iterations_int.
10523 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
10525         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
10526         realistic upper bounds here.
10528 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
10530         PR c++/71210
10531         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
10532         calls if the LHS is variable length or has addressable type.
10533         If targets[0]->decl is a noreturn call with void return type and
10534         zero arguments, adjust fntype and remove lhs in that case.
10536 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
10538         PR tree-optimization/71079
10539         PR tree-optimization/71206
10540         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
10542 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10544         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
10545         (get_vec_alignment_for_array_decl): Likewise.
10546         (get_vec_alignment_for_record_decl): Likewise.
10547         (increase_alignment::execute): Move code to find alignment to
10548         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
10549         (type_align_map): New hash_map.
10551 2016-05-20  Richard Guenther  <rguenther@suse.de>
10553         PR tree-optimization/29756
10554         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
10555         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
10556         * fold-const.c (operand_equal_p): Likewise.
10557         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
10558         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
10559         * tree-inline.c (estimate_operator_cost): Likewise.
10560         * tree-pretty-print.c (dump_generic_node): Likewise.
10561         * tree-ssa-operands.c (get_expr_operands): Likewise.
10562         * cfgexpand.c (expand_debug_expr): Likewise.
10563         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
10564         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
10565         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
10566         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
10567         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
10568         (execute_update_addresses_taken): Do it.
10570 2016-05-20  Richard Biener  <rguenther@suse.de>
10572         PR tree-optimization/71185
10573         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
10574         register operations.
10576 2016-05-20  Richard Biener  <rguenther@suse.de>
10578         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
10579         gimple_seq_add_seq_without_update.
10580         (release_bb_predicate): Assert we have no operands to free.
10581         (if_convertible_loop_p_1): Calculate post dominators later.
10582         Do not free BB predicates here.
10583         (combine_blocks): Do not recompute BB predicates.
10584         (version_loop_for_if_conversion): Save BB predicates around
10585         loop versioning.
10587 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
10589         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
10590         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
10591         code.  Ignore sibcalls on EDGE_IGNORE edges.
10592         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
10593         on edges for sibcalls that run without prologue.  The rest of the
10594         function is combined from...
10595         (fix_fake_fallthrough_edge): ... this, and ...
10596         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
10597         function argument, make it a local variable.
10599 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
10601         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
10602         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
10603         for 32-bit mode and SEH for 64-bit.
10604         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
10605         TARGET_64BIT_DEFAULT.
10607 2016-05-19  Ryan Burn  <contact@rnburn.com>
10609         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
10610         * gengtype.c (open_base_files): Add cilk.h to ifiles.
10612 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
10614         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
10615         force pending loads from memory.
10617 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
10619         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
10620         (UNSPEC_DARN_32): New unspec constant.
10621         (UNSPEC_DARN_RAW): New unspec constant.
10622         (darn_32): New instruction.
10623         (darn_raw): New instruction.
10624         (darn): New instruction.
10625         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
10626         support and documentation for this macro.
10627         (BU_P9_MISC_1): New macro definition.
10628         (BU_P9_64BIT_MISC_0): New macro definition.
10629         (BU_P9_MISC_0): New macro definition.
10630         (darn_32): New builtin definition.
10631         (darn_raw): New builtin definition.
10632         (darn): New builtin definition.
10633         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
10634         RS6000_BUILTIN_0 directives to surround each occurrence of
10635         #include "rs6000-builtin.def".
10636         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
10637         RS6000_BTM_64BIT flags to the returned mask, depending on
10638         configuration.
10639         (def_builtin): Correct an error in the assignments made to the
10640         debugging variable attr_string.
10641         (rs6000_expand_builtin): Add support for no-operand built-in
10642         functions.
10643         (builtin_function_type): Remove fatal_error assertion that is no
10644         longer valid.
10645         (rs6000_common_init_builtins): Add support for no-operand built-in
10646         functions.
10647         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
10648         definition.
10649         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
10650         definition.
10651         (RS6000_BTM_64BIT): New macro definition.
10652         * doc/extend.texi: Document __builtin_darn (void),
10653         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
10654         functions.
10656 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
10658         * tree-vect-loop.c (vect_analyze_loop_2): Use also
10659         max_loop_iterations_int.
10661 2016-05-19  Marek Polacek  <polacek@redhat.com>
10663         PR tree-optimization/71031
10664         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
10665         condition and adjust the code a bit.
10667 2016-05-19  Martin Liska  <mliska@suse.cz>
10669         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
10670         auto_vec instead of vec.
10672 2016-05-19  Martin Liska  <mliska@suse.cz>
10674         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
10676 2016-05-19  Martin Liska  <mliska@suse.cz>
10678         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
10680 2016-05-19  Martin Liska  <mliska@suse.cz>
10682         * ipa-pure-const.c (set_function_state): Remove an existing
10683         funct_state.
10684         (remove_node_data): Do not free it as it's released
10685         in set_function_state.
10687 2016-05-19  Martin Liska  <mliska@suse.cz>
10689         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
10690         bitmap.
10692 2016-05-19  Martin Liska  <mliska@suse.cz>
10694         * omp-simd-clone.c (simd_clone_adjust): Release vector.
10696 2016-05-19  Martin Liska  <mliska@suse.cz>
10698         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
10699         an auto_vec instead of re-creating it.
10701 2016-05-19  Martin Liska  <mliska@suse.cz>
10703         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
10704         auto_vec instead of vec.
10706 2016-05-19  Martin Liska  <mliska@suse.cz>
10708         * lto-section-in.c (lto_get_section_data): Call
10709         lto_check_version with additional argument.
10710         * lto-streamer.c (lto_check_version): Add new argument.
10711         * lto-streamer.h (lto_check_version): Likewise.
10713 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10715         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
10716         Don't add cost of inner memory when handling sign-extended loads.
10718 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
10720         PR rtl-optimization/71148
10721         * cse.c (cse_main): Free dominance info.
10722         (rest_of_handle_cse): Don't free dominance info.
10723         (rest_of_handle_cse2): Likewise.
10724         (rest_of_handle_cse_after_global_opts): Likewise.
10726 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10728         PR target/71056
10729         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
10730         NULL_TREE early if NEON is not available.  Remove now redundant check
10731         in ARM_CHECK_BUILTIN_MODE.
10733 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
10735         PR sanitizer/64354
10736         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
10737         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
10738         * doc/cpp.texi: Document new macros.
10740 2016-05-19  Bin Cheng  <bin.cheng@arm.com>
10742         PR tree-optimization/69848
10743         * tree-vect-loop.c (vectorizable_reduction): Don't factor
10744         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
10746 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
10748         * function.c (thread_prologue_and_epilogue_insn): Move the
10749         "goto epilogue_done" one block later.
10751 2016-05-19  Richard Biener  <rguenther@suse.de>
10753         PR tree-optimization/70729
10754         * passes.def: Move LIM pass before PRE.  Remove no longer
10755         required copyprop and move first DCE out of the loop pipeline.
10757 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
10759         PR driver/69265
10760         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
10761         (OBJS-libcommon-target): ...here.
10762         * opts-common.c: Include spellcheck.h.
10763         (cmdline_handle_error): Build a vec of valid options and use it
10764         to suggest provide hints for misspelled arguments.
10766 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
10768         PR c++/71100
10769         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
10770         lhs if it has TREE_ADDRESSABLE type.
10772 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
10774         PR target/71145
10775         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
10776         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
10778 2016-05-18  Martin Jambor  <mjambor@suse.cz>
10780         PR ipa/69708
10781         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
10782         input for NOP_EXPR pass-through functions.
10783         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
10784         aggregate global constant VAR_DECLs in constant jump functions.
10786 2016-05-18  Martin Jambor  <mjambor@suse.cz>
10788         PR ipa/69708
10789         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
10790         from TREE_READONLY parameters.
10792 2016-05-18  Martin Jambor  <mjambor@suse.cz>
10794         PR ipa/69708
10795         * cgraph.h (cgraph_indirect_call_info): New field
10796         guaranteed_unmodified.
10797         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
10798         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
10799         appropriate.
10800         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
10801         pass the parameter value to ipa_find_agg_cst_for_param.
10802         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
10803         guaranteed_unmodified, store AA results there instead of bailing out
10804         if present.
10805         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
10806         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
10807         (find_constructor_constant_at_offset): New function.
10808         (ipa_find_agg_cst_from_init): Likewise.
10809         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
10810         static initializers of contants, report back through a new paameter
10811         from_global_constant if that was the case.
10812         (try_make_edge_direct_simple_call): Also pass parameter value to
10813         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
10814         appropriate.
10815         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
10816         (ipa_read_indirect_edge_info): Likewise.
10817         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
10818         (ipa_load_from_parm_agg): Likewise.
10820 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
10822         PR rtl-optimization/71150
10823         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
10824         check.
10826 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
10828         PR target/70915
10829         * config/rs6000/constraints.md (wE constraint): New constraint
10830         for a vector constant that can be loaded with XXSPLTIB.
10831         (wM constraint): New constraint for a vector constant of a 1's.
10832         (wS constraint): New constraint for a vector constant that can be
10833         loaded with XXSPLTIB and a vector sign extend instruction.
10834         * config/rs6000/predicates.md (xxspltib_constant_split): New
10835         predicates for wE/wS constraints.
10836         (xxspltib_constant_nosplit): Likewise.
10837         (easy_vector_constant): Add support for constants that can be
10838         loaded via XXSPLTIB.
10839         (all_ones_constant): New predicate for vector constant with all
10840         1's set.
10841         (splat_input_operand): Add support for ISA 3.0 word splat operations.
10842         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
10843         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
10844         instruction and possibly with a sign extension.
10845         (output_vec_const_move): Add support for XXSPLTIB. If we are
10846         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
10847         instead of XXLXOR/XXLORC.
10848         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
10849         operations.
10850         (rs6000_legitimize_reload_address): Likewise.
10851         (rs6000_output_move_128bit): Use output_vec_const_move to emit
10852         constants.
10853         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
10854         combine VSX_M and VSX_M2 into one iterator.
10855         (VSX_M2): Likewise.
10856         (VSINT_84): New iterators for loading constants with XXSPLTIB.
10857         (VSINT_842): Likewise.
10858         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
10859         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
10860         XXSPLTIB instruction.
10861         (xxspltib_<mode>_nosplit): Likewise.
10862         (xxspltib_<mode>_split): New insn to load up constants with
10863         XXSPLTIB and a sign extend instruction.
10864         (vsx_mov<mode>): Replace single move that handled all vector types
10865         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
10866         moves (when -mvsx-timode is in effect) into the main vector
10867         moves.  Eliminate separate moves for <VSr> <VSa>, where the
10868         preferred register class (<VSr>) is listed first, and the
10869         secondary register class (<VSa>) is listed second with a '?' to
10870         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
10871         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
10872         that if the register was involved in a slow operation, the
10873         clear/set operation does not wait for the slow operation to
10874         finish.  Adjust the length attributes for 32-bit mode.  Use
10875         rs6000_output_move_128bit and drop the use of the string
10876         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
10877         spacing so that the alternatives and attributes don't generate
10878         long lines, and put things in columns, so that it is easier to
10879         match up the operands and attributes with the insn alternatives.
10880         (vsx_mov<mode>_64bit): Likewise.
10881         (vsx_mov<mode>_32bit): Likewise.
10882         (vsx_movti_64bit): Fold movti into normal vector moves.
10883         (vsx_movti_32bit): Likewise.
10884         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
10885         splat instructions.
10886         (vsx_splat_v4si_internal): Likewise.
10887         (vsx_splat_v4sf_internal): Likewise.
10888         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
10889         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
10890         extend vector elements.
10891         (vsx_sign_extend_hi_<mode>): Likewise.
10892         (vsx_sign_extend_si_v2di): Likewise.
10893         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
10894         declaration.
10895         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
10896         constraints.  Add trailing period to wL documentation.
10898 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
10900         PR middle-end/71020
10901         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
10902         * tree-dfa.c (replace_abnormal_ssa_names): New function.
10903         * tree-call-cdce.c: Include tree-dfa.h.
10904         (can_guard_call_p): New function, extracted from...
10905         (can_use_internal_fn): ...here.
10906         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
10907         and return void.
10908         (shrink_wrap_one_built_in_call): Likewise.
10909         (use_internal_fn): Likewise.
10910         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
10911         and return void.  Call replace_abnormal_ssa_names.
10912         (pass_call_cdce::execute): Check can_guard_call_p during the
10913         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
10914         will always change something.
10916 2016-05-18  Martin Jambor  <mjambor@suse.cz>
10918         PR ipa/70646
10919         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
10920         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
10922 2016-05-18  Martin Jambor  <mjambor@suse.cz>
10924         PR ipa/70646
10925         * ipa-inline.h (condition): New field size.
10926         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
10927         for comaprison and store it into the new condition.
10928         (evaluate_conditions_for_known_args): Use condition size to check
10929         access sizes for all but CHANGED conditions.
10930         (unmodified_parm_1): New parameter size_p, store access size into it.
10931         (unmodified_parm): Likewise.
10932         (unmodified_parm_or_parm_agg_item): Likewise.
10933         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
10934         (set_cond_stmt_execution_predicate): Extract access sizes and store
10935         them to conditions.
10936         (set_switch_stmt_execution_predicate): Likewise.
10937         (will_be_nonconstant_expr_predicate): Likewise.
10938         (will_be_nonconstant_predicate): Likewise.
10939         (inline_read_section): Stream condition size.
10940         (inline_write_summary): Likewise.
10942 2016-05-18  Richard Biener  <rguenther@suse.de>
10944         * tree-ssa-loop-im.c (determine_max_movement): Properly add
10945         condition cost to PHI cost instead of total_cost.
10947 2016-05-18  Martin Liska  <mliska@suse.cz>
10949         PR fortran/70856
10950         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
10951         merged variables.
10953 2016-05-18  Richard Biener  <rguenther@suse.de>
10955         * lto-streamer.h (LTO_major_version): Bump to 6.
10957 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
10959         * function.c (make_split_prologue_seq, make_prologue_seq,
10960         make_epilogue_seq): New functions, factored out from...
10961         (thread_prologue_and_epilogue_insns): Here.
10963 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
10965         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
10966         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
10967         of before.  Add a comment.
10969 2016-05-18  Bin Cheng  <bin.cheng@arm.com>
10971         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
10972         expression pointer, not pointer to the pointer.
10974 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
10976         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
10977         (avx2_pbroadcast<mode>): Add another alternative with v instead
10978         of x constraints in it, using <pbroadcast_evex_isa> isa.
10979         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
10981         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
10982         constraint x instead of v in second alternative, add avx512bw
10983         alternative.
10985         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
10986         constraint x instead of v in second alternative, add avx512bw
10987         alternative.
10989         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
10990         constraint x instead of v in second alternative, add avx512bw
10991         alternative.
10993         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
10994         avx512bw alternative.
10996 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
10998         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
10999         array to 128 chars.
11000         (define_insn "*andnottf3"): Ditto.
11001         (define_insn "*<code><mode>3"/any_logic): Ditto.
11002         (define_insn "*<code>tf3"/any_logic): Ditto.
11003         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
11004         operand to block AVX-512VL insn variant emit when it is not enabled.
11006 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
11008         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
11009         constraint fot SF mode.
11011 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
11012             Kirill Yukhin  <kirill.yukhin@intel.com>
11014         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
11015         modifiers.
11016         (define_insn "rsqrt14<mode>"): Ditto.
11017         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
11018         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
11019         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
11020         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
11021         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
11022         Ditto.
11023         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
11024         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
11025         * config/i386/i386.c (ix86_print_operand): Expand check for size
11026         override codes for Intel syntax.
11028 2016-05-18  Richard Biener  <rguenther@suse.de>
11030         PR tree-optimization/71168
11031         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
11032         initialization earlier.
11034 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
11036         * config/aarch64/aarch64-simd.md
11037         (aarch64_reduc_plus_internal<mode>): Rename to...
11038         (reduc_plus_scal): ...This, and remove previous implementation.
11040 2016-05-18  Richard Biener  <rguenther@suse.de>
11042         * passes.def: Put late dse and cd_dce in canonical order.
11044 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
11046         * ipa-inline-transform.c (preserve_function_body_p): Look for
11047         first non-thunk clone.
11048         (save_function_body): Save into first non-thunk.
11049         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
11050         up call stmt id.
11051         (lto_output_node): Inline thunks don't need body in every
11052         partition.
11053         * lto-streamer-in.c: Do not fixup thunk clones.
11054         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
11055         thunks.
11056         * tree-inline.c (copy_bb): Be prepared for target node to be new after
11057         folding suceeds.
11059 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
11061         PR middle-end/63586
11062         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
11063         (reassociate_bb): Call transform_add_to_multiply.
11065 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
11067         * config/aarch64/aarch64.c (all_extensions): Removed unused
11068         static variable.
11070 2016-05-17  Nathan Sidwell  <nathan@acm.org>
11072         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
11073         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
11075 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
11077         PR tree-optimization/54579
11078         PR middle-end/55299
11079         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
11081 2016-05-17  Marek Polacek  <polacek@redhat.com>
11083         PR ipa/71146
11084         * tree-inline.c (expand_call_inline): Call
11085         maybe_remove_unused_call_args.
11087 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
11089         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
11090         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
11091         * doc/md.texi (fmin@var{m}3): Likewise.
11093 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
11095         * match.pd (X & C): New transformation.
11097 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
11099         * match.pd (~X & Y): New transformation.
11101 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
11103         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
11104         information for new SSA_NAME.
11105         (simplify_conversion_using_ranges): Get range through get_range_info
11106         instead of get_value_range.
11108 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
11110         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
11111         Remove inline assembly.
11112         (vmvn_s16): Likewise.
11113         (vmvn_s32): Likewise.
11114         (vmvn_u8): Likewise.
11115         (vmvn_u16): Likewise.
11116         (vmvn_u32): Likewise.
11117         (vmvnq_s8): Likewise.
11118         (vmvnq_s16): Likewise.
11119         (vmvnq_s32): Likewise.
11120         (vmvnq_u8): Likewise.
11121         (vmvnq_u16): Likewise.
11122         (vmvnq_u32): Likewise.
11123         (vmvn_p8): Likewise.
11124         (vmvnq_p16): Likewise.
11126 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
11128         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
11129         Use builtin.
11130         (vmul_n_s16): Likewise.
11131         (vmul_n_s32): Likewise.
11132         (vmul_n_u16): Likewise.
11133         (vmul_n_u32): Likewise.
11134         (vmulq_n_f32): Likewise.
11135         (vmulq_n_f64): Likewise.
11136         (vmulq_n_s16): Likewise.
11137         (vmulq_n_s32): Likewise.
11138         (vmulq_n_u16): Likewise.
11139         (vmulq_n_u32): Likewise.
11141 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
11143         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
11144         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
11146 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
11148         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
11149         to *aarch64_fma4_elt_from_dup<mode>.
11150         (*aarch64_fnma4_elt_to_128df): Rename to
11151         *aarch64_fnma4_elt_from_dup<mode>.
11152         * config/aarch64/arm_neon.h (vfma_n_f64): New.
11153         (vfms_n_f32): Likewise.
11154         (vfms_n_f64): Likewise.
11155         (vfmsq_n_f32): Likewise.
11156         (vfmsq_n_f64): Likewise.
11158 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
11160         * wide-int.h: Change fixed_wide_int_storage from class to struct.
11162 2016-05-17  Richard Biener  <rguenther@suse.de>
11164         PR tree-optimization/71132
11165         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
11166         Only add control dependences for blocks in the loop.
11167         (build_rdg): Adjust.
11168         (generate_code_for_partition): Return whether loop should
11169         be destroyed and delay that.
11170         (distribute_loop): Likewise.
11171         (pass_loop_distribution::execute): Record loops to be destroyed
11172         and perform delayed destroying of loops.
11174 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11176         PR target/70809
11177         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
11179 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
11181         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
11183 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
11185         PR target/71114
11186         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
11187         insertion point for instructions generated by validize_mem.
11189 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
11191         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
11192         in brackets.
11194 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
11196         * config/aarch64/aarch64.c
11197         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
11198         rather than a macro.
11200 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
11202         * doc/invoke.texi (AArch64 Options): Various updates.
11204 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
11206         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
11207         into instrumentation thunks.
11208         * cif-code.def (CIF_CHKP): New.
11210 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
11212         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
11214 2016-05-16  Martin Jambor  <mjambor@suse.cz>
11216         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
11217         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
11219 2016-05-16  Marek Polacek  <polacek@redhat.com>
11221         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
11222         commentary.
11224 2016-05-16  Martin Jambor  <mjambor@suse.cz>
11226         PR hsa/70857
11227         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
11228         the outlined kernel function.
11230 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
11232         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
11233         (ISA_HAS_DLSA): Ditto.
11235 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
11237         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
11239 2016-05-16  Nathan Sidwell  <nathan@acm.org>
11241         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
11242         (nvptx_name_replacement): Restore.  Add comment.
11243         (write_fn_proto, write_fn_proto_from_insn,
11244         nvptx_output_call_insn): Restore
11245         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
11247 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
11249         * config/aarch64/aarch64.md
11250         (add<mode>3_compareC_cconly_imm): Remove use of %w.
11251         (add<mode>3_compareC_imm): Likewise.
11252         (<optab>si3_uxtw): Split into register and immediate variants.
11253         (andsi3_compare0_uxtw): Likewise.
11254         (and<mode>3_compare0): Likewise.
11255         (and<mode>3nr_compare0): Likewise.
11256         (stack_protect_test_<mode>): Don't use %x for memory operands.
11258 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
11260         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
11262 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
11264         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
11265         Split integer shifts into shift_reg and bfm.
11266         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
11267         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
11268         (ror<mode>3_insn): Likewise.
11269         (<optab>si3_insn_uxtw): Likewise.
11270         (<optab><mode>3_insn): Change to rotate_imm.
11271         (extr<mode>5_insn_alt): Likewise.
11272         (extrsi5_insn_uxtw): Likewise.
11273         (extrsi5_insn_uxtw_alt): Likewise.
11275 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
11277         * doc/tm.texi: Regenerate.
11278         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
11279         (TARGET_INVALID_RETURN_TYPE): Remove.
11280         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
11281         TARGET_INVALID_RETURN_TYPE.
11282         * target.def (invalid_parameter_type): Remove.
11283         (invalid_return_type): Remove.
11285 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
11287         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
11288         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
11289         calls from thunk.
11290         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
11291         gimple body.
11292         (preserve_function_body_p): No need to preserve function body
11293         * cif-codes.def (CIF_THUNK): Remove.
11294         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
11296 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
11298         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
11300 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
11302         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
11303         for thunks.
11305 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
11307         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
11308         (inline_small_functions): Do not look for function symbol when
11309         resetting caches.
11311 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
11313         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
11314         of inline thunks
11316 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
11317             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11318             Jiong Wang  <jiong.wang@arm.com>
11320         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
11321         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
11322         Define __ARM_FP16_ARGS when appropriate.
11323         * config/arm/arm.c (arm_invalid_parameter_type): Remove
11324         declaration.
11325         (arm_invalid_return_type): Likewise.
11326         (TARGET_INVALID_PARAMETER_TYPE): Remove.
11327         (TARGET_INVALID_RETURN_TYPE): Remove.
11328         (aapcs_vfp_sub_candidate): Allow HFmode.
11329         (aapcs_vfp_allocate): Add comment.  Support HFmode.
11330         (aapcs_vfp_allocate_return_reg): Likewise.
11331         (struct aapcs_cp_arg_layout): Slightly reword comments for
11332         is_return_candidate and allocate_return_reg.
11333         (output_mov_vfp): Update assert.
11334         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
11335         condition.
11336         (arm_invalid_parameter_type): Remove.
11337         (amr_invalid_return_type): Remove.
11338         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
11339         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
11340         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
11342 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
11344         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
11345         * config/aarch64/arch64-protos.h
11346         (aarch64_legitimize_reload_address): Remove.
11347         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
11348         Remove.
11350 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
11352         * configure.ac: Add ACX_NONCANONICAL_HOST.
11353         * configure: Regenerate.
11354         * Makefile.in: Set host_noncanonical.
11356 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
11358         PR target/71097
11359         * config/i386/i386.md (*movtf_internal): Before register allocation,
11360         do not allow FP constants for CM_MEDIUM memory model, allow only
11361         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
11362         (*movxf_internal): Ditto.
11363         (*movdf_internal): Ditto.
11364         (*movsf_internal): Ditto.
11366 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
11368         PR rtl-optimization/67483
11369         * combine.c (make_compound_operation): Don't call extract_left_shift
11370         with negative shift amounts.
11372 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
11374         PR bootstrap/71071
11375         * fold-const.c (fold_checksum_tree): Allow modification
11376         of TYPE_ALIAS_SET during folding.
11378         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
11379         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
11380         (ix86_split_to_parts): Likewise.  Fix up formatting.
11382 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11384         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
11385         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
11386         printf format.
11388 2016-05-13  Nathan Sidwell  <nathan@acm.org>
11390         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
11391         (nvptx_name_replacement): Delete.
11392         (write_fn_proto, write_fn_proto_from_insn,
11393         nvptx_output_call_insn): Remove nvptx_name_replacement call.
11394         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
11395         * langhooks.c (add_builtin_funcction_common): Call
11396         targetm.mangle_decl_assembler_name.
11398         * config/nvptx/nvptx.c (write_fn_proto): Handle
11399         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
11401 2016-05-13  Martin Liska  <mliska@suse.cz>
11403         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
11404         and PRIu64 in printf format.
11406 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11408         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
11409         comment.
11411 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11413         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
11414         Change --param max-completely-peeled-times to
11415         --param max-completely-peel-times in dump file printing.
11417 2016-05-13  Richard Biener  <rguenther@suse.de>
11419         PR tree-optimization/42587
11420         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
11421         (find_bswap_or_nop_1): Likewise.
11422         (bswap_replace): Likewise.
11424 2016-05-13  Martin Liska  <mliska@suse.cz>
11426         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
11427         Initialize a variable with default value.
11429 2016-05-13  Martin Liska  <mliska@suse.cz>
11431         * doc/invoke.texi: Enhance explanation of error recovery
11432         of sanitizers.
11434 2016-05-13  Martin Liska  <mliska@suse.cz>
11436         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
11437         (struct cost_pair): Change inv_expr_id (int) to inv_expr
11438         (iv_inv_expr_ent *).
11439         (struct iv_inv_expr_ent): Comment struct fields.
11440         (sort_iv_inv_expr_ent): New function.
11441         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
11442         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
11443         a hash_map between iv_inv_expr_ent and number of usages.
11444         (niter_for_exit): Fix coding style.
11445         (tree_ssa_iv_optimize_init): Use renamed variable.
11446         (determine_base_object): Fix coding style.
11447         (alloc_iv): Likewise.
11448         (find_interesting_uses_outside): Likewise.
11449         (add_candidate_1): Likewise.
11450         (add_standard_iv_candidates): Likewise.
11451         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
11452         (prepare_decl_rtl): Fix coding style.
11453         (get_address_cost): Likewise.
11454         (get_shiftadd_cost): Likewise.
11455         (force_expr_to_var_cost): Likewise.
11456         (compare_aff_trees): Likewise.
11457         (get_expr_id): Restructure the function.
11458         (get_loop_invariant_expr_id): Renamed to
11459         get_loop_invariant_expr.
11460         (get_computation_cost_at): Replace usage of inv_expr_id with
11461         inv_expr.
11462         (get_computation_cost): Likewise.
11463         (determine_group_iv_cost_generic): Likewise.
11464         (determine_group_iv_cost_address): Likewise.
11465         (iv_period): Fix coding style.
11466         (iv_elimination_compare_lt): Likewise.
11467         (may_eliminate_iv): Likewise.
11468         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
11469         inv_expr.
11470         (determine_group_iv_costs): Dump invariant expressions.
11471         (iv_ca_recount_cost): Use the newly added hash_map.
11472         (iv_ca_set_remove_invariants): Fix coding style.
11473         (iv_ca_set_add_invariants): Fix coding style.
11474         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
11475         invariants.
11476         (iv_ca_set_cp): Likewise.
11477         (iv_ca_new): Initialize the newly added hash_map and remove
11478         initialization of fields.
11479         (iv_ca_free): Delete the hash_map.
11480         (iv_ca_dump): Dump invariant expressions.
11481         (iv_ca_extend): Fix coding style.
11482         (try_add_cand_for): Likewise.
11483         (create_new_ivs): Dump information about # of avg iterations and
11484         # of used invariant expressions.
11485         (rewrite_use_compare): Fix coding style.
11486         (free_loop_data): Set default value for max_inv_expr_id.
11488 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
11490         * cse.c (rest_of_handle_cse): Use cleanup_cfg
11491         returned value cse_cfg_altered computation.
11492         (rest_of_handle_cse2): Likewise.
11493         (rest_of_handle_cse_after_global_opts): Likewise.
11495 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11497         PR target/53440
11498         * config/arm/arm.c (arm32_output_mi_thunk): New.
11499         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
11500         to split Thumb1 vs TARGET_32BIT functionality.
11501         (arm_thumb1_mi_thunk): New.
11503 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11505         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
11506         to true.
11508 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11510         PR target/71080
11511         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
11513 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
11515         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
11516         (expand_builtin_trap): Emit a regular call.
11517         (set_builtin_user_assembler_name): Remove obsolete cases.
11518         * dse.c (scan_insn): Adjust.
11519         * except.c: Include calls.h.
11520         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
11521         emit a regular call to setjmp.
11522         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
11523         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
11524         (emit_block_move_via_libcall): Delete.
11525         (block_move_fn): Delete.
11526         (init_block_move_fn): Likewise.
11527         (emit_block_move_libcall_fn): Likewise.
11528         (emit_block_op_via_libcall): New function.
11529         (set_storage_via_libcall): Tidy up and use memset builtin.
11530         (block_clear_fn): Delete.
11531         (init_block_clear_fn): Likewise.
11532         (clear_storage_libcall_fn): Likewise.
11533         (expand_assignment): Call emit_block_move_via_libcall.
11534         Do not include gt-expr.h.
11535         * expr.h (emit_block_op_via_libcall): Declare.
11536         (emit_block_copy_via_libcall): New inline function.
11537         (emit_block_move_via_libcall): Likewise.
11538         (emit_block_comp_via_libcall): Likewise.
11539         (block_clear_fn): Delete.
11540         (init_block_move_fn): Likewise.
11541         (init_block_clear_fn): Likewise.
11542         (emit_block_move_via_libcall): Likewise.
11543         (set_storage_via_libcall): Add default parameter value.
11544         * libfuncs.h (enum libfunc_index): Remove obsolete values.
11545         (abort_libfunc): Delete.
11546         (memcpy_libfunc): Likewise.
11547         (memmove_libfunc): Likewise.
11548         (memcmp_libfunc): Likewise.
11549         (memset_libfunc): Likewise.
11550         (setbits_libfunc): Likewise.
11551         (setjmp_libfunc): Likewise.
11552         (longjmp_libfunc): Likewise.
11553         (profile_function_entry_libfunc): Likewise.
11554         (profile_function_exit_libfunc): Likewise.
11555         (gcov_flush_libfunc): Likewise.
11556         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
11557         and DECL_VISIBILITY on the declaration.
11558         (init_optabs): Do not initialize obsolete libfuncs.
11559         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
11560         * tree-core.h (ECF_RET1): Define.
11561         (ECF_TM_PURE): Adjust.
11562         (ECF_TM_BUILTIN): Likewise.
11563         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
11564         (build_common_builtin_nodes): Initialize abort builtin.
11565         Add ECF_RET1 on memcpy, memmove and memset builtins.
11566         Pass final flags for alloca and alloca_with_align builtins.
11567         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
11568         obsolete builtins.
11569         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
11570         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
11571         set_storage_via_libcall and call emit_block_copy_via_libcall.
11573 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
11575         * config/i386/i386.md (*call_got_x32): Change operand 0 to
11576         DImode before it is passed to ix86_output_call_operand.
11577         (*call_value_got_x32): Ditto for operand 1.
11579 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
11581         PR rtl-optimization/70904
11582         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
11583         reload for wide mode.
11585 2016-05-12  Marek Polacek  <polacek@redhat.com>
11587         PR c/70756
11588         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
11589         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
11590         * langhooks.h (incomplete_type_error): Likewise.
11591         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
11592         parameter, pass it down to incomplete_type_error.
11593         * tree.h (size_in_bytes): New inline overload.
11594         (size_in_bytes_loc): Renamed from size_in_bytes.
11596 2016-05-12  Richard Biener  <rguenther@suse.de>
11598         PR tree-optimization/71059
11599         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
11600         nary before looking up or entering the expression into the VN
11601         hashes.
11602         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
11603         Make sure to re-use NARYs without result as inserted by
11604         phi-translation.
11606 2016-05-12  Richard Biener  <rguenther@suse.de>
11608         PR tree-optimization/71062
11609         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
11610         field.
11611         * tree-ssa-structalias.c (set_uids_in_ptset): Set
11612         vars_contains_restrict if the var is a restrict tag.
11613         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
11614         do not disambiguate pointers against it.
11615         (dump_points_to_solution): Re-structure and adjust for new
11616         vars_contains_restrict flag.
11617         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
11619 2016-05-12  Martin Liska  <mliska@suse.cz>
11621         * doc/invoke.texi: Explain connection between
11622         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
11624 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
11626         PR tree-optimization/71006
11627         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
11628         consider COND_EXPR as a mask producer.
11630 2016-05-12  Marek Polacek  <polacek@redhat.com>
11632         PR driver/71063
11633         * opts.c (common_handle_option): Detect missing argument for --help^.
11635 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11637         PR target/70830
11638         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
11639         when popping the PC and within an interrupt handler routine.
11640         Add missing tab to output of "ldmfd".
11641         (output_return_instruction): Output LDMFD with SP update rather
11642         than POP when returning from interrupt handler.
11644 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
11646         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
11647         TARGET_64BIT && TARGET_AVX512DQ.
11648         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
11649         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
11650         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
11651         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
11652         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
11653         (*vec_extractv4si_zext): Add avx512dq alternative.
11654         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
11655         use v instead of x constraint in other alternatives where possible.
11657         * config/i386/sse.md (sse2_loadld): Use v instead of x
11658         constraint in alternatives 0,1,4.
11660         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
11661         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
11662         v constraints instead of x and <pinsr_evex_isa> isa attribute.
11664         PR target/71019
11665         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
11666         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
11667         is not emitted unless TARGET_AVX512BW.
11668         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
11669         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
11670         for the result operand.
11672         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
11673         constraint instead of x in avx alternatives.  Use maybe_evex instead
11674         of vex prefix.
11676         * config/i386/constraints.md (Yv): New constraint.
11677         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
11678         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
11679         * config/i386/i386.md (avx512fvecmode): New mode attr.
11680         (*pushtf): Use v constraint instead of x.
11681         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
11682         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
11683         (*absneg<mode>2): Use Yv constraint instead of x constraint.
11684         (*absnegtf2_sse): Likewise.
11685         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
11686         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
11687         avx512f alternatives.
11688         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
11690 2016-05-12  Richard Biener  <rguenther@suse.de>
11692         PR tree-optimization/71060
11693         * tree-data-ref.c (initialize_data_dependence_relation): Do not
11694         require exact match of DR_BASE_OBJECT but only matching address and
11695         type.
11697 2016-05-12  Richard Biener  <rguenther@suse.de>
11699         PR tree-optimization/70986
11700         * cfganal.c: Include cfgloop.h.
11701         (dfs_find_deadend): Prefer to take edges exiting loops.
11703 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11705         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
11706         compile and run time.
11708 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
11710         PR c/43651
11711         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
11713 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
11715         * config/i386/i386.c (legitimize_pic_address): Use
11716         copy_to_suggested_reg instead of gen_movsi.
11718 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
11720         * config/rs6000/predicates.md (quad_memory_operand): Move most of
11721         the code into quad_address_p and call it to share code with
11722         vsx_quad_dform_memory_operand.
11723         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
11724         d-form support.
11725         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
11726         bit instead of being a separate word.  Split -mpower9-dform into
11727         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
11728         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
11729         for the register class supporting 128-bit quad word memory offsets.
11730         (mode_supports_vsx_dform_quad): Helper function to return if the
11731         register class uses quad word memory offsets.
11732         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
11733         (rs6000_debug_reg_global): Always print if we are using LRA or not.
11734         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
11735         instructions are enabled, set up the appropriate addr_masks for
11736         128-bit types.
11737         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
11738         -mpower9-dform-scalar, instead of -mpower9-dform.
11739         (rs6000_option_override_internal): Split -mpower9-dform into two
11740         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
11741         -mpower9-dform switch sets or clears both.  If we are not using
11742         the LRA register allocator, do not enable -mpower9-dform-vector by
11743         default.  If we are using LRA, enable -mpower9-dform-vector and
11744         -mvsx-timode if it is appropriate.  Issue a warning if either
11745         -mpower9-dform-vector or -mvsx-timode are explicitly used without
11746         enabling LRA.
11747         (quad_address_offset_p): New helper function to return if the
11748         offset is legal for quad word memory instructions.
11749         (quad_address_p): New function to determin if GPR or vector
11750         register quad word memory addresses are legal.
11751         (mem_operand_gpr): Validate quad word address offsets.
11752         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
11753         d-form (register + offset) instructions.
11754         (offsettable_ok_by_alignment): Likewise.
11755         (rs6000_legitimate_offset_address_p): Likewise.
11756         (legitimate_lo_sum_address_p): Likewise.
11757         (rs6000_legitimize_address): Likewise.
11758         (rs6000_legitimize_reload_address): Add more debug statements for
11759         -mdebug=addr.
11760         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
11761         d-form instructions.
11762         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
11763         d-form instructions.  Distinguish different cases in debug
11764         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
11765         d-form instructions.
11766         (rs6000_preferred_reload_class): Likewise.
11767         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
11768         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
11769         of the ISA 2.06 indexed memory instructions.
11770         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
11771         use them to save/restore the saved vector registers instead of
11772         using Altivec instructions.
11773         (rs6000_emit_epilogue): Likewise.
11774         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
11775         (rs6000_opt_masks): Split -mpower9-dform into
11776         -mpower9-dform-scalar and -mpower9-dform-vector.
11777         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
11778         was not selected.
11779         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
11780         ISA 3.0 vector indexed memory instructions, and fold the code into
11781         the normal mov<mode> patterns.
11782         (p9_vecstore_<mode>): Likewise.
11783         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
11784         instructions.
11785         (vsx_movti_64bit): Likewise.
11786         (vsx_movti_32bit): Likewise.
11787         * config/rs6000/constraints.md (wO constraint): New constraint for
11788         ISA 3.0 vector d-form support.
11789         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
11790         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
11791         include -mpower9-dform-vector until we switch over to LRA.
11792         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
11793         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
11794         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
11795         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
11796         for -mpower9-dform and -mlra.
11797         * doc/md.texi (wO constraint): Document wO constraint.
11799 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
11801         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
11802         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
11803         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
11804         Move handling of non-insn arguments inline into the sole user:
11805         (output_trans_func): ...here.
11806         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
11807         in emitted function prototype.
11808         (output_internal_insn_latency_func): Ditto.  Simplify.
11809         (output_internal_maximal_insn_latency_func): Ditto.  Delete
11810         always-unused argument.
11811         (output_insn_latency_func): Ditto.
11812         (output_maximal_insn_latency_func): Ditto.
11814 2016-05-11  Richard Biener  <rguenther@suse.de>
11816         PR tree-optimization/71055
11817         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
11818         sth with precision not equal to access size verify we don't chop
11819         off bits.
11821 2016-05-11  Richard Biener  <rguenther@suse.de>
11823         PR debug/71057
11824         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
11825         (dwarf2out_finish): Move retry_incomplete_types call ...
11826         (dwarf2out_early_finish): ... here.
11828 2016-05-11  Richard Biener  <rguenther@suse.de>
11830         PR middle-end/71002
11831         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
11832         if the langhook insists on it.
11833         * fold-const.c (make_bit_field_ref): Add arg for the original
11834         reference and preserve its alias-set.
11835         (decode_field_reference): Take exp by reference and adjust it
11836         to the original memory reference.
11837         (optimize_bit_field_compare): Adjust callers.
11838         (fold_truth_andor_1): Likewise.
11839         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
11841 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
11843         PR middle-end/70807
11844         * cfgrtl.h (delete_insn_and_edges): Now return bool.
11845         * cfgrtl.c (delete_insn_and_edges): Likewise.
11846         * config/i386/i386.c (convert_scalars_to_vector): Remove
11847         redundant code.
11848         * cse.c (cse_insn): Compute cse_cfg_altered.
11849         (delete_trivially_dead_insns): Likewise.
11850         (cse_cc_succs): Likewise.
11851         (rest_of_handle_cse): Free dominance info if required.
11852         (rest_of_handle_cse2): Likewise.
11853         (rest_of_handle_cse_after_global_opts): Likewise.
11855 2016-05-11  Alan Modra  <amodra@gmail.com>
11857         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
11858         abi_v4_pass_in_fpr): New functions.
11859         (rs6000_function_arg_boundary): Exclude complex IBM long double
11860         from 64-bit alignment when ABI_V4.
11861         (rs6000_function_arg, rs6000_function_arg_advance_1,
11862         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
11864 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
11866         PR rtl-optimization/71028
11867         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
11868         jump with just a return in the fallthrough block if the branch
11869         block contains just a return as well.
11871 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
11873         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
11874         * match.pd ((X & Y) ^ Y): ... this.
11875         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
11876         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
11878 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
11880         * read-md.c (require_char_ws): New function.
11881         (read_string): Simplify using require_char_ws.
11882         (handle_constants): Likewise.
11883         (handle_enum): Likewise.
11884         (handle_file): Likewise.
11885         * read-md.h (require_char_ws): New declaration.
11886         * read-rtl.c (read_conditions): Simplify using require_char_ws.
11887         (read_mapping): Likewise.
11888         (read_rtx_code): Likewise.
11889         (read_nested_rtx): Likewise.
11891 2016-05-10  James Norris  <jnorris@codesourcery.com>
11893         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
11894         if offloading is enabled and -fopenacc or -fopenmp is specified.
11895         (CRTOFFLOADEND): Likewise.
11896         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
11897         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
11899 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
11901         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
11902         gotoff_operand code paths.  Use copy_to_suggested_regs and
11903         expand_simple_binop where appropriate.  Cleanup.
11905 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
11907         PR target/70799
11908         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
11909         integer constants.
11910         (dimode_scalar_chain::vector_const_cost): New.
11911         (dimode_scalar_chain::compute_convert_gain): Handle constants.
11912         (dimode_scalar_chain::convert_op): Likewise.
11913         (dimode_scalar_chain::convert_insn): Likewise.
11915 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
11917         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
11918         unary operation, not a binary one.
11920 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
11922         PR middle-end/70877
11923         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
11924         calls with type casted fndecl.
11926 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
11928         PR tree-optimization/70786
11929         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
11930         * calls.c (initialize_argument_information): Bind bounds
11931         with corresponding args passed by reference.
11933 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
11935         PR target/70927
11936         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
11937         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
11938         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
11939         accordingly.
11941 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11943         PR target/70963
11944         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
11945         code for a zero scale factor.
11946         (vsx_xvcvdpuxds_scale): Likewise.
11948 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
11950         * diagnostic-show-locus.c (layout::layout): Call show_ruler
11951         if show_ruler_p was set on the context.
11952         (layout::show_ruler): New method.
11953         * diagnostic.h (struct diagnostic_context): Add field
11954         "show_ruler_p".
11956 2016-05-10  Richard Biener  <rguenther@suse.de>
11958         PR tree-optimization/71039
11959         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
11960         (chk_uses): New function.
11961         (propagate_with_phi): Verify we can safely replicate the lhs of an
11962         aggregate assignment on all incoming edges.
11964 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
11966         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
11967         Forward declare.
11968         (rx_atomic_sequence): New class.
11969         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
11970         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
11971         non-inline.
11972         (rx_atomic_sequence::rx_atomic_sequence,
11973         rx_atomic_sequence::~rx_atomic_sequence): New functions.
11974         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
11975         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
11976         CTRLREG_INTB): New constants.
11977         (FETCHOP): New code iterator.
11978         (fethcop_name, fetchop_name2): New iterator code attributes.
11979         (QIHI): New mode iterator.
11980         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
11981         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
11982         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
11984 2016-05-10  Martin Liska  <mliska@suse.cz>
11986         * tree-inline.c (remap_dependence_clique): Do not remap
11987         debugging statements.
11989 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11991         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
11992         ("*fixuns_truncdfdi2_z13")
11993         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
11994         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
11995         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
11997 2016-05-10  Richard Biener  <rguenther@suse.de>
11999         PR tree-optimization/70497
12000         PR tree-optimization/28367
12001         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
12002         split out from ...
12003         (visit_reference_op_load): ... here.
12004         (vn_reference_lookup_3): Use it to handle subreg-like accesses
12005         with simplified BIT_FIELD_REFs.
12006         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
12007         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
12008         correctly.
12010 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
12012         * dwarf2out.c (add_abstract_origin_attribute): Adjust
12013         documentation comment.  For BLOCK nodes, add a
12014         DW_AT_abstract_origin attribute that points to the DIE generated
12015         for the origin BLOCK.
12016         (gen_lexical_block_die): Call add_abstract_origin_attribute for
12017         blocks from inlined functions.
12019 2016-05-10  Alan Modra  <amodra@gmail.com>
12021         PR target/70947
12022         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
12023         regrename modifying insns saving lr before __morestack call.
12024         * config/rs6000/rs6000.md (split_stack_return): Similarly for
12025         insns restoring lr after __morestack call.
12027 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
12029         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
12030         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
12031         expanders.
12032         * config/i386/sse.md (vec_interleave_high<mode>,
12033         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
12034         <avx512>_vpermt2var<mode>3_maskz): Likewise.
12036 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
12038         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
12039         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
12040         parallel reassociation for power8 and forward.
12042 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
12044         * config/i386/i386.md (absneg splitters with general regs): Use
12045         general_reg_operand predicate.
12046         (btsq peephole2): Use x86_64_immediate_operand to check if new
12047         value is suitable for immediate operand.  Generate emitted insn
12048         using RTL expressions.
12049         (btcq peephole2): Ditto.
12050         (btrq peephole2): Ditto.  Generate correct immediate operand
12051         for AND masking.
12053 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
12055         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
12056         bitpos.
12058 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
12060         * tree-affine.c (wide_int_constant_multiple_p): Add missing
12061         pointer dereference.
12063 2016-05-09  Richard Biener  <rguenther@suse.de>
12065         PR tree-optimization/70985
12066         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
12067         op0 isn't a gimple register.
12069 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
12071         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
12072         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
12073         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
12074         (i6400_fpu_mult): New cpu units.
12075         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
12076         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
12077         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
12078         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
12079         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
12080         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
12081         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
12082         (i6400_msa_long_float4, i6400_msa_long_float5)
12083         (i6400_msa_long_float8, i6400_msa_fdiv_df)
12084         (i6400_msa_fdiv_sf): New reservations.
12085         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
12086         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
12087         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
12088         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
12089         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
12090         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
12091         (msa_short_cmp, msa_short_float2, msa_short_logic3)
12092         (msa_short_store4, msa_long_load, msa_short_store)
12093         (msa_long_logic, msa_long_float2, msa_long_float4)
12094         (msa_long_float5, msa_long_float8, msa_long_mult)
12095         (msa_long_fdiv, msa_long_div): New reservations.
12097 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
12098             Sameera Deshpande  <sameera.deshpande@imgtec.com>
12099             Matthew Fortune  <matthew.fortune@imgtec.com>
12100             Graham Stott  <graham.stott@imgtec.com>
12101             Chao-ying Fu  <chao-ying.fu@imgtec.com>
12103         * config.gcc: Add MSA header file for mips*-*-* target.
12104         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
12105         (Ubv8i, Urv8):  New constraints.
12106         * config/mips/mips-ftypes.def: Add function types for MSA
12107         builtins.
12108         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
12109         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
12110         * config/mips/mips-msa.md: New file.
12111         * config/mips/mips-protos.h
12112         (mips_split_128bit_const_insns): New prototype.
12113         (mips_msa_idiv_insns): Likewise.
12114         (mips_split_128bit_move): Likewise.
12115         (mips_split_128bit_move_p): Likewise.
12116         (mips_split_msa_copy_d): Likewise.
12117         (mips_split_msa_insert_d): Likewise.
12118         (mips_split_msa_fill_d): Likewise.
12119         (mips_expand_msa_branch): Likewise.
12120         (mips_const_vector_same_val_p): Likewise.
12121         (mips_const_vector_same_bytes_p): Likewise.
12122         (mips_const_vector_same_int_p): Likewise.
12123         (mips_const_vector_shuffle_set_p): Likewise.
12124         (mips_const_vector_bitimm_set_p): Likewise.
12125         (mips_const_vector_bitimm_clr_p): Likewise.
12126         (mips_msa_vec_parallel_const_half): Likewise.
12127         (mips_msa_output_division): Likewise.
12128         (mips_ldst_scaled_shift): Likewise.
12129         (mips_expand_vec_cond_expr): Likewise.
12130         * config/mips/mips.c (enum mips_builtin_type): Add
12131         MIPS_BUILTIN_MSA_TEST_BRANCH.
12132         (mips_gen_const_int_vector_shuffle): New prototype.
12133         (mips_const_vector_bitimm_set_p): New function.
12134         (mips_const_vector_bitimm_clr_p): Likewise.
12135         (mips_const_vector_same_val_p): Likewise.
12136         (mips_const_vector_same_bytes_p): Likewise.
12137         (mips_const_vector_same_int_p): Likewise.
12138         (mips_const_vector_shuffle_set_p): Likewise.
12139         (mips_symbol_insns): Forbid loading symbols via immediate for
12140         MSA.
12141         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
12142         stores.
12143         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
12144         MSA.
12145         (mips_lx_address_p): Add support load indexed address for MSA.
12146         (mips_address_insns): Add calculation of instructions needed for
12147         stores and loads for MSA.
12148         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
12149         CONST_VECTOR for MSA and let it fall through.
12150         (mips_ldst_scaled_shift): New function.
12151         (mips_subword_at_byte): Likewise.
12152         (mips_msa_idiv_insns): Likewise.
12153         (mips_legitimize_move): Validate MSA moves.
12154         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
12155         calculation of costs for MSA division.
12156         (mips_split_move_p): Check if MSA moves need splitting.
12157         (mips_split_move): Split MSA moves if necessary.
12158         (mips_split_128bit_move_p): New function.
12159         (mips_split_128bit_move): Likewise.
12160         (mips_split_msa_copy_d): Likewise.
12161         (mips_split_msa_insert_d): Likewise.
12162         (mips_split_msa_fill_d): Likewise.
12163         (mips_output_move): Handle MSA moves.
12164         (mips_expand_msa_branch): New function.
12165         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
12166         Reinstate 'y' modifier.
12167         (mips_file_start): Add MSA .gnu_attribute.
12168         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
12169         FPRs.
12170         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
12171         (mips_class_max_nregs): Add register size for MSA supported mode.
12172         (mips_cannot_change_mode_class): Allow conversion between MSA
12173         vector modes and TImode.
12174         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
12175         instruction.
12176         (mips_secondary_reload_class): Force MSA loads/stores via memory.
12177         (mips_preferred_simd_mode): Add preffered modes for MSA.
12178         (mips_vector_mode_supported_p): Add MSA supported modes.
12179         (mips_autovectorize_vector_sizes): New function.
12180         (mips_msa_output_division): Likewise.
12181         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
12182         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
12183         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
12184         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
12185         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
12186         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
12187         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
12188         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
12189         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
12190         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
12191         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
12192         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
12193         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
12194         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
12195         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
12196         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
12197         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
12198         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
12199         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
12200         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
12201         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
12202         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
12203         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
12204         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
12205         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
12206         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
12207         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
12208         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
12209         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
12210         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
12211         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
12212         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
12213         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
12214         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
12215         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
12216         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
12217         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
12218         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
12219         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
12220         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
12221         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
12222         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
12223         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
12224         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
12225         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
12226         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
12227         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
12228         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
12229         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
12230         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
12231         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
12232         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
12233         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
12234         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
12235         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
12236         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
12237         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
12238         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
12239         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
12240         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
12241         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
12242         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
12243         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
12244         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
12245         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
12246         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
12247         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
12248         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
12249         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
12250         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
12251         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
12252         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
12253         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
12254         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
12255         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
12256         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
12257         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
12258         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
12259         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
12260         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
12261         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
12262         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
12263         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
12264         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
12265         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
12266         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
12267         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
12268         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
12269         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
12270         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
12271         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
12272         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
12273         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
12274         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
12275         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
12276         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
12277         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
12278         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
12279         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
12280         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
12281         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
12282         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
12283         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
12284         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
12285         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
12286         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
12287         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
12288         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
12289         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
12290         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
12291         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
12292         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
12293         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
12294         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
12295         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
12296         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
12297         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
12298         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
12299         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
12300         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
12301         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
12302         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
12303         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
12304         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
12305         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
12306         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
12307         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
12308         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
12309         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
12310         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
12311         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
12312         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
12313         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
12314         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
12315         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
12316         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
12317         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
12318         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
12319         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
12320         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
12321         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
12322         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
12323         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
12324         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
12325         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
12326         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
12327         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
12328         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
12329         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
12330         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
12331         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
12332         move_v builtins.
12333         (mips_get_builtin_decl_index): New array.
12334         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
12335         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
12336         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
12337         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
12338         (mips_init_builtins): Initialize mips_get_builtin_decl_index
12339         array.
12340         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
12341         hook.
12342         (mips_expand_builtin_insn): Prepare operands for
12343         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
12344         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
12345         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
12346         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
12347         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
12348         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
12349         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
12350         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
12351         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
12352         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
12353         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
12354         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
12355         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
12356         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
12357         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
12358         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
12359         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
12360         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
12361         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
12362         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
12363         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
12364         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
12365         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
12366         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
12367         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
12368         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
12369         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
12370         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
12371         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
12372         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
12373         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
12374         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
12375         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
12376         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
12377         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
12378         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
12379         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
12380         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
12381         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
12382         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
12383         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
12384         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
12385         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
12386         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
12387         These are set implicitly and an error is reported if overridden.
12388         (mips_expand_builtin_msa_test_branch): New function.
12389         (mips_expand_msa_shuffle): Likewise.
12390         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
12391         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
12392         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
12393         (mips_expand_vec_unpack): Add support for MSA.
12394         (mips_expand_vector_init): Likewise.
12395         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
12396         instead of const0_rtx.
12397         (mips_msa_vec_parallel_const_half): New function.
12398         (mips_gen_const_int_vector): Likewise.
12399         (mips_gen_const_int_vector_shuffle): Likewise.
12400         (mips_expand_msa_cmp): Likewise.
12401         (mips_expand_vec_cond_expr): Likewise.
12402         * config/mips/mips.h
12403         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
12404         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
12405         specified.
12406         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
12407         (ISA_HAS_MSA): New macro.
12408         (UNITS_PER_MSA_REG): Likewise.
12409         (BITS_PER_MSA_REG): Likewise.
12410         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
12411         (MSA_REG_FIRST): New macro.
12412         (MSA_REG_LAST): Likewise.
12413         (MSA_REG_NUM): Likewise.
12414         (MSA_REG_P): Likewise.
12415         (MSA_REG_RTX_P): Likewise.
12416         (MSA_SUPPORTED_MODE_P): Likewise.
12417         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
12418         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
12419         * config/mips/mips.md: Include mips-msa.md.
12420         (alu_type): Add simd_add.
12421         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
12422         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
12423         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
12424         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
12425         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
12426         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
12427         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
12428         simd_move, simd_load, simd_store.  Choose "multi" for moves
12429         for "qword_mode".
12430         (qword_mode): New attribute.
12431         (insn_count): Add instruction count for quad moves.
12432         Increase the count for MIPS SIMD division.
12433         (UNITMODE): Add UNITMODEs for vector types.
12434         (addsub): New code iterator.
12435         * config/mips/mips.opt (mmsa): New option.
12436         * config/mips/msa.h: New file.
12437         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
12438         specified.
12439         * config/mips/mti-linux.h: Likewise.
12440         * config/mips/predicates.md
12441         (const_msa_branch_operand): New constraint.
12442         (const_uimm3_operand): Likewise.
12443         (const_uimm4_operand): Likewise.
12444         (const_uimm5_operand): Likewise.
12445         (const_uimm8_operand): Likewise.
12446         (const_imm5_operand): Likewise.
12447         (aq10b_operand): Likewise.
12448         (aq10h_operand): Likewise.
12449         (aq10w_operand): Likewise.
12450         (aq10d_operand): Likewise.
12451         (const_m1_operand): Likewise.
12452         (reg_or_m1_operand): Likewise.
12453         (const_exp_2_operand): Likewise.
12454         (const_exp_4_operand): Likewise.
12455         (const_exp_8_operand): Likewise.
12456         (const_exp_16_operand): Likewise.
12457         (const_vector_same_val_operand): Likewise.
12458         (const_vector_same_simm5_operand): Likewise.
12459         (const_vector_same_uimm5_operand): Likewise.
12460         (const_vector_same_uimm6_operand): Likewise.
12461         (const_vector_same_uimm8_operand): Likewise.
12462         (par_const_vector_shf_set_operand): Likewise.
12463         (reg_or_vector_same_val_operand): Likewise.
12464         (reg_or_vector_same_simm5_operand): Likewise.
12465         (reg_or_vector_same_uimm6_operand): Likewise.
12466         * doc/extend.texi (MIPS SIMD Architecture Functions): New
12467         section.
12468         * doc/invoke.texi (-mmsa): Document new option.
12470 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12472         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
12473         * configure: Regenerate.
12474         * config.in: Regenerate.
12475         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
12476         on -fvtable-verify.
12477         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
12478         (ENDFILE_VTV_SPEC): Define.
12480 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
12482         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
12483         registers in all interrupt handlers if necessary.
12484         (rl78_option_override): Add warning.
12485         (MUST_SAVE_MDUC_REGISTERS): New macro.
12486         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
12487         * config/rl78/rl78.c (check_mduc_usage): New function.
12488         (mduc_regs): New structure to hold MDUC register data.
12489         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
12490         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
12491         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
12492         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
12493         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
12494         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
12496 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
12498         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
12499         (tree-ssa-loop-niter.h): Ditto.
12500         (idx_within_array_bound, ref_within_array_bound): New functions.
12501         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
12502         Factor out check on writable base object to ...
12503         (base_object_writable): ... here.
12505 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12507         * config/arm/arm.md (probe_stack): Add modes to set source
12508         and destination.
12510 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
12512         * regrename.c (base_reg_class_for_rename): New static function.
12513         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
12515 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
12517         * cgraph.c (thunk_adjust): Export.
12518         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
12519         * cgraphunit.c (thunk_adjust): Export.
12520         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
12521         thunks.
12522         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
12523         inlinable.
12524         * tree-inline.c (expand_call_inline): Expand thunks inline.
12526 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
12528         PR target/70998
12529         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
12530         (*sse2_vd_cvtss2sd): Ditto.
12531         * config/i386/i386.md
12532         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
12533         Generate *sse2_vd_cvtsd2ss pattern.
12534         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
12535         Generate *sse2_vd_cvtss2sd pattern.
12537 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
12539         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
12540         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
12541         users.
12543 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
12545         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
12546         * config/sh/sh.c: Define and declare variables on first use throughout
12547         the file.
12548         (current_function_interrupt): Change to bool type.
12549         (frame_insn): Rename to emit_frame_insn and update users.
12550         (push_regs): Use bool for 'interrupt_handler' argument.
12551         (save_schedule_s): Remove.
12552         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
12553         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
12554         targetm.asm_out.unaligned_op.di.
12555         (gen_far_branch): Remove redundant forward declaration.
12556         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
12557         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
12558         (sh_set_return_address, sh_function_ok_for_sibcall,
12559         scavenge_reg): Update comments.
12560         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
12561         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
12562         (sh_attr_renesas_p): Remove unnecessary parentheses.
12563         (branch_dest): Simplify.
12564         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
12565         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
12566         (CUMULATIVE_ARGS): Change macro to typedef.
12567         (current_function_interrupt): Change to bool type.
12568         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
12569         Surround with __cplusplus ifdef.
12570         (sh_compare_op0, sh_compare_op1): Remove.
12571         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
12573 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
12575         * config/arm/arm.md: (arch): Add neon.
12576         (arch_enabled): Return yes for arch neon when TARGET_NEON.
12577         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
12578         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
12579         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
12580         attributes for alt renumbering.  Mark alt 3 as non-predicable.
12581         (thumb2_movdf_vfp): Likewise.
12583 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
12585         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
12586         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
12587         (*andqi_1): Add preferred_for_speed attribute to disparage
12588         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
12589         (*<code>qi_1): Ditto.
12590         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
12591         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
12592         (*ashlqi3_1): Ditto.
12593         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
12594         Add preferred_for_size attribute to disparage alternative 0 and
12595         preferred_for_speed attribute to disparage alternative 1 for
12596         TARGET_PARTIAL_REG_STALL targets.
12598 2016-05-07  Tom de Vries  <tom@codesourcery.com>
12600         PR tree-optimization/70956
12601         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
12602         def.
12604 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
12606         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
12607         * config/sh/sh.c (sh_cbranch_distance): Implement it.
12608         * config/sh/sh.md (branch_zero): Remove define_attr.
12609         (define_delay): Disable delay slot if branch distance is one insn.
12611 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
12613         * config/i386/i386.md (LEAMODE): New mode attribute.
12614         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
12615         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
12616         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
12617         operand 2 predicate.
12618         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
12619         (*lea<mode>_general_3): Ditto.
12620         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
12622 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
12624         * genmddump.c (main): Convert argv from char ** to const char **.
12626 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
12628         * coretypes.h (OVERRIDE): New macro.
12629         (FINAL): New macro.
12631 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
12633         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
12634         allow coalescing if the types are compatible.
12636 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
12638         * pass_manager.h (pass_manager::register_pass_name): New method.
12639         (pass_manager::get_pass_by_name): New method.
12640         (pass_manager::create_pass_tab): New method.
12641         (pass_manager::m_name_to_pass_map): New field.
12642         * passes.c (name_to_pass_map): Delete global in favor of field
12643         "m_name_to_pass_map" of pass_manager.
12644         (register_pass_name): Rename from a function to...
12645         (pass_manager::register_pass_name): ...this method, updating
12646         for renaming of global "name_to_pass_map" to field
12647         "m_name_to_pass_map".
12648         (create_pass_tab): Rename from a function to...
12649         (pass_manager::create_pass_tab): ...this method, updating
12650         for renaming of global "name_to_pass_map" to field.
12651         (get_pass_by_name): Rename from a function to...
12652         (pass_manager::get_pass_by_name): ...this method.
12653         (enable_disable_pass): Convert use of get_pass_by_name to
12654         a method call, locating the pass_manager singleton.
12656 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
12658         * genattr-common.c (main): Convert argv from char ** to const char **.
12659         * genattr.c (main): Likewise.
12660         * genattrtab.c (main): Likewise.
12661         * genautomata.c (initiate_automaton_gen): Likewise.
12662         (main): Likewise.
12663         * gencodes.c (main): Likewise.
12664         * genconditions.c (main): Likewise.
12665         * genconfig.c (main): Likewise.
12666         * genconstants.c (main): Likewise.
12667         * genemit.c (main): Likewise.
12668         * genenums.c (main): Likewise.
12669         * genextract.c (main): Likewise.
12670         * genflags.c (main): Likewise.
12671         * genmddeps.c (main): Likewise.
12672         * genopinit.c (main): Likewise.
12673         * genoutput.c (main): Likewise.
12674         * genpeep.c (main): Likewise.
12675         * genpreds.c (main): Likewise.
12676         * genrecog.c (main): Likewise.
12677         * gensupport.c (init_rtx_reader_args_cb): Likewise.
12678         (init_rtx_reader_args): Likewise.
12679         * gensupport.h (init_rtx_reader_args_cb): Likewise.
12680         (init_rtx_reader_args): Likewise.
12681         * gentarget-def.c (main): Likewise.
12682         * read-md.c (read_md_files): Likewise.
12683         * read-md.h (read_md_files): Likewise.
12685 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
12687         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
12688         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
12689         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
12690         Remove unused predicate.
12691         (register_and_not_fp_reg_operand): Ditto.
12693 2016-05-06  Martin Liska  <mliska@suse.cz>
12695         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
12696         instead of vec as the vector is local to the function.
12698 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
12700         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
12701         avx512bw alternative.
12703         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
12704         before the ashr<mode>3 pattern.
12706         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
12707         v instead of x in vex or maybe_vex alternatives, use
12708         maybe_evex instead of vex in prefix.
12710         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
12711         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
12712         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
12713         in vex or maybe_vex alternatives, use maybe_evex instead of vex
12714         in prefix.
12716         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
12717         v instead of x in vex or maybe_vex alternatives, use
12718         maybe_evex instead of vex in prefix.
12720         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
12721         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
12722         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
12723         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
12724         alternatives, use maybe_evex instead of vex in prefix.
12726         * config/i386/sse.md (vec_interleave_lowv4sf,
12727         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
12728         v instead of x in vex or maybe_vex alternatives, use
12729         maybe_evex instead of vex in prefix.
12731         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
12732         v instead of x in vex or maybe_vex alternatives, use
12733         maybe_evex instead of vex in prefix.
12735         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
12736         v constraint instead of x.
12738 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
12740         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
12741         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
12742         equality first.
12744 2016-05-06  Richard Biener  <rguenther@suse.de>
12746         PR tree-optimization/70948
12747         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
12748         Properly clobber all fields of va_list for __builtin_va_start.
12750 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
12752         PR debug/70935
12753         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
12754         loop latch destination.
12756 2016-05-06  Martin Liska  <mliska@suse.cz>
12758         * tree-ssa-uninit.c: Apply manual changes
12759         to the GNU coding style.
12760         (prune_uninit_phi_opnds): Rename from
12761         prune_uninit_phi_opnds_in_unrealizable_paths.
12763 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
12765         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
12766         mspace): Remove deprecated options.
12767         * doc/invoke.texi (SH options): Remove -mspace.
12769 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
12771         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
12773 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
12775         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
12776         corresponding combine split pattern.
12778 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
12780         PR target/58219
12781         * config/sh/predicates.md (long_displacement_mem_operand): New.
12782         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
12783         Add movi20, movi20s alternatives.  Adjust length attribute for
12784         alternatives.
12785         (movsi_ie): Allow for any FPU.  Adjust length attribute for
12786         alternatives.
12787         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
12788         attribute for alternatives.
12789         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
12790         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
12791         length attribute for alternatives.
12793 2016-05-06  Richard Biener  <rguenther@suse.de>
12795         PR tree-optimization/70960
12796         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
12798 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
12800         PR target/52933
12801         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
12802         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
12804 2016-05-06  Marek Polacek  <polacek@redhat.com>
12806         PR sanitizer/70875
12807         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
12809 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
12811         PR target/54089
12812         * config/sh/sh.md (*rotcr): Add another variant.
12814 2016-05-06  Richard Biener  <rguenther@suse.de>
12816         PR middle-end/70931
12817         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
12819 2016-05-06  Richard Biener  <rguenther@suse.de>
12821         PR middle-end/70941
12822         * fold-const.c (split_tree): Always convert to the original type
12823         before negating.
12825 2016-05-06  Richard Biener  <rguenther@suse.de>
12827         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
12828         (fwprop_addr): Likewise.
12830 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
12832         PR target/70873
12833         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
12834         New prototype.
12835         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
12836         * config/i386/i386.md (push mem splitter): Use find_constant_src in
12837         the splitter condition.
12838         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
12839         the splitter condition.
12840         (FP float_extend load splitter): Ditto.
12842 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
12844         * config/i386/i386.md (peehole2 patterns): Change true_regnum
12845         to REGNO in all peephole2 patterns.
12846         (post-reload splitters): Change true_regnum to REGNO in
12847         post-reload splitters.
12848         (zero_extend splitters): Use general_reg_operand and
12849         nonimmediate_gr_operand predicates.
12851 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
12853         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
12854         v constraint instead of x.
12856 2016-05-05  Alan Modra  <amodra@gmail.com>
12858         PR target/68662
12859         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
12860         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
12861         TARGET_NO_FP_IN_TOC for -mrelocatable.
12862         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
12863         TARGET_RELOCATABLE test.
12864         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
12865         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
12866         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
12867         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
12868         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
12869         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
12870         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
12871         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
12872         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
12873         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
12874         Likewise.
12875         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
12876         (rs6000_stack_info): Likewise.
12877         (rs6000_elf_asm_out_constructor): Likewise.
12878         (rs6000_elf_asm_out_destructor): Likewise.
12879         (rs6000_elf_declare_function_name): Likewise.
12880         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
12881         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
12882         Don't define.
12884 2016-05-05  Alan Modra  <amodra@gmail.com>
12886         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
12888 2016-05-05  Alan Modra  <amodra@gmail.com>
12890         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
12891         out-of-line gpr restore for one or two regs if that would add
12892         a save of lr.
12894 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
12896         PR target/70873
12897         * config/i386/i386.md
12898         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
12899         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
12900         as operand 0 predicate.
12901         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
12902         Ditto.
12903         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
12904         Ditto.  Emit the pattern using RTX.
12906         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
12907         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
12908         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
12909         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
12910         Ditto.
12911         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
12912         sse_reg_operand as operand 0 predicate.
12914         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
12915         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
12916         instead of gen_rtx_REG.
12917         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
12918         Ditto.
12920 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
12922         * function.c (emit_use_return_register_into_block): Delete.
12923         (gen_return_pattern): Delete.
12924         (emit_return_into_block): Delete.
12925         (active_insn_between): Delete.
12926         (convert_jumps_to_returns): Delete.
12927         (emit_return_for_exit): Delete.
12928         (thread_prologue_and_epilogue_insns): Delete all code dealing with
12929         simple_return for shrink-wrapped blocks.
12930         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
12931         end of blocks that need one.
12932         (get_unconverted_simple_return): Delete.
12933         (convert_to_simple_return): Delete.
12934         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
12935         (convert_to_simple_return): Ditto.
12937 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
12939         * cfgcleanup.c (bb_is_just_return): New function.
12940         (try_optimize_cfg): Simplify jumps to return, branches to return,
12941         and branches around return.
12943 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
12945         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
12946         branch to a return.
12948 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
12950         PR c++/70906
12951         PR c++/70933
12952         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
12953         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
12954         assert flags & OEP_HASH_CHECK, instead of asserting it
12955         never happens.  Handle TARGET_EXPR.
12956         * fold-const.c (operand_equal_p): For hash verification,
12957         or in OEP_HASH_CHECK into flags.
12959 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
12961         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
12962         comment.
12963         (compute_samebase_partition_bases): Fix typo.
12965 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
12967         * config/i386/sse.md (vec_interleave_highv8sf,
12968         vec_interleave_lowv8sf, vec_interleave_highv4df,
12969         vec_interleave_lowv4df): Remove constraints from expanders.
12971         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
12973 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
12975         * tree-inline.c (expand_call_inline): Fix path dealing with
12976         making lhs of call statement undefined.
12978 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
12980         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
12981         Check availability on NODE, too.
12982         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
12983         (cgraph_node::call_for_symbol_and_aliases): Likewise.
12984         (varpool_node::call_for_symbol_and_aliase): Likewise.
12985         * ipa-pure-const.c (add_new_function): Analyze all bodies.
12986         (propagate_pure_const): Propagate across interposable functions, too.
12987         (skip_function_for_local_pure_const): Do not skip interposable bodies
12988         with aliases.
12989         (pass_local_pure_const::execute): Update.
12991 2016-05-04  Marek Polacek  <polacek@redhat.com>
12993         * doc/invoke.texi: Document -Wdangling-else.
12995 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12997         * config.gcc: Error out when conflicting multilib is detected.  Do not
12998         loop over multilibs since no combination is legal.
13000 2016-05-04  Alan Modra  <amodra@gmail.com>
13002         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
13003         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
13004         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
13005         Align .toc.
13007 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
13009         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
13010         Clean up p5600 comments.
13012 2016-05-04  Richard Biener  <rguenther@suse.de>
13014         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
13015         constructor simplifications.
13016         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
13018 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
13020         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
13021         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
13022         result.set_rtx is null instead of aborting.
13023         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
13024         Always enable.
13025         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
13026         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
13027         *mov<mode>_store_postinc): New patterns.
13029 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
13031         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
13032         as commutative.  Check both conversions are NOP.
13033         ((A & B) OP (C & B)): Remove.
13035 2016-05-04  Alan Modra  <amodra@gmail.com>
13037         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
13039 2016-05-04  Alan Modra  <amodra@gmail.com>
13041         PR target/70866
13042         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
13043         when cr2,3,4 are all fixed regs.
13045 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
13047         PR rtl-optimization/57193
13048         * opts.c (default_options_table): Revert OPT_frename_registers change.
13049         * doc/invoke.texi (-frename-registers, -O2): Likewise.
13051 2016-05-03  Martin Sebor  <msebor@redhat.com>
13053         PR c++/66561
13054         * builtins.c (fold_builtin_FILE): New function.
13055         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
13056         (fold_builtin_0): Call them.
13057         * gimplify.c (gimplify_call_expr): Remove the handling of
13058         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
13060         PR c++/66561
13061         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
13062         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
13063         constants.
13065         PR c++/66639
13066         * doc/extend.texi (Function Names as Strings): Update __func__,
13067         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
13068         constants.
13070 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
13071             Richard Biener  <rguenther@suse.de>
13073         PR tree-optimization/70916
13074         * tree-if-conv.c: Include cfganal.h.
13075         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
13076         and remove_fake_exit_edges around the optimization pass.
13078 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
13080         * cgraph.c (symbol_table::create_edge): Set inline_failed.
13081         (cgraph_edge::make_direct): Likewise.
13082         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
13083         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
13084         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
13085         (CIF_THUNK): New code.
13086         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
13087         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
13088         (compute_inline_parameters): Set inline_failed for thunks.
13089         (inline_analyze_function): Cleanup.
13090         * ipa-inline.c (can_inline_edge_p): Do not deal with
13091         call_stmt_cannot_inline_p.
13092         (can_early_inline_edge_p): Likewise.
13093         (early_inliner): Initialize inline_failed.
13094         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
13096 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
13098         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
13099         from nonimm_ssenomem_operand.
13100         (nonimm_ssenomem_operand): New predicate.
13101         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
13102         as operand 0 predicate.
13103         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
13104         Disable unsupported alternatives using "enabled" attribute.
13105         Use register_ssemem_operand as operand 0 predicate.
13106         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
13108 2016-05-03  Marek Polacek  <polacek@redhat.com>
13110         PR c/70859
13111         * input.c (expansion_point_location): New function.
13112         * input.h (expansion_point_location): Declare.
13114 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
13116         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
13117         occurence with frame_offset_ ones.
13119 2016-05-03  Alan Modra  <amodra@gmail.com>
13121         PR rtl-optimization/70890
13122         * ira.c (combine_and_move_insns): When moving def_insn, remove
13123         equivs on use_insn.
13125 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13127         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
13128         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
13129         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
13130         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
13132 2016-05-03  Alan Modra  <amodra@gmail.com>
13134         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
13135         for SAVE_MULTIPLE/STORE_MULTIPLE.
13137 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
13139         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
13140         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
13142 2016-05-03  Richard Biener  <rguenther@suse.de>
13144         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
13145         default true.
13146         (gimplify_arg): Likewise.
13147         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
13148         re-writing the result to a decl if required.
13149         (internal_get_tmp_var): Add allow_ssa parameter
13150         and override into_ssa with it.
13151         (get_formal_tmp_var): Adjust.
13152         (get_initialized_tmp_var): Add allow_ssa parameter.
13153         (gimplify_arg): Add allow_ssa parameter and avoid generating
13154         SSA names for the result false.
13155         (gimplify_call_expr): If the call may return twice do not
13156         gimplify parameters into SSA.
13157         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
13158         (gimplify_modify_expr): Adjust assert.  For noreturn calls
13159         with a SSA name LHS adjust its def.
13160         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
13161         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
13162         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
13163         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
13164         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
13165         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
13166         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
13167         (optimize_target_teams): Do not allow SSA names for clause operands.
13168         (gimplify_expr): Likewise for where we mark the result addressable.
13169         * passes.def (pass_init_datastructures): Remove.
13170         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
13171         (rewrite_stmt): Likewise.
13172         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
13173         (replace_locals_op): Replace SSA names.
13174         (copy_gimple_seq_and_replace_locals): Init src_cfun.
13175         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
13176         * cgraph.c (release_function_body): Free CFG annotations only
13177         when we have a CFG.  Simplify.
13178         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
13179         force_gimple_operand instead of get_initialized_tmp_var.
13180         * tree-pass.h (make_pass_init_datastructures): Remove.
13181         * tree-ssa.c (execute_init_datastructures): Remove.
13182         (pass_data_init_datastructures): Likewise.
13183         (class pass_init_datastructures): Likewise.
13184         (make_pass_init_datastructures): Likewise.
13185         * omp-low.c (create_omp_child_function): Init SSA data structures.
13186         (grid_expand_target_grid_body): Likewise.
13187         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
13188         name before adding it to names_to_release.
13189         (remove_bb): Always release SSA defs.
13190         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
13191         before dereferencing it.
13192         * cgraphunit.c (init_lowered_empty_function): Always
13193         int SSA data structures.
13194         * tree-ssanames.c (release_defs): Remove assert that we are in
13195         SSA form.
13196         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
13198 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
13199             Uros Bizjak  <ubizjak@gmail.com>
13201         PR rtl-optimization/70467
13202         * config/i386/predicates.md (x86_64_hilo_int_operand,
13203         x86_64_hilo_general_operand): New predicates.
13204         * config/i386/constraints.md (Wd): New constraint.
13205         * config/i386/i386.md (mode attr di): Use Wd instead of e.
13206         (general_hilo_operand): New mode attr.
13207         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
13208         instead of <general_operand>.
13209         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
13210         x86_64_hilo_general_operand instead of <general_operand>.
13212 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
13214         PR tree-optimization/70916
13215         * tree-if-conv.c (constant_or_ssa_name): Removed.
13216         (fold_build_cond_expr): Use is_gimple_val instead of
13217         constant_or_ssa_name.
13219         PR tree-optimization/70916
13220         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
13221         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
13223         PR target/49244
13224         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
13225         (optimize_atomic_bit_test_and): New function.
13226         (pass_fold_builtins::execute): Use it.
13227         * optabs.def (atomic_bit_test_and_set_optab,
13228         atomic_bit_test_and_complement_optab,
13229         atomic_bit_test_and_reset_optab): New optabs.
13230         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
13231         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
13232         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
13233         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
13234         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
13235         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
13236         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
13237         * doc/md.texi (atomic_bit_test_and_set@var{mode},
13238         atomic_bit_test_and_complement@var{mode},
13239         atomic_bit_test_and_reset@var{mode}): Document.
13240         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
13241         atomic_bit_test_and_complement<mode>,
13242         atomic_bit_test_and_reset<mode>): New expanders.
13243         (atomic_bit_test_and_set<mode>_1,
13244         atomic_bit_test_and_complement<mode>_1,
13245         atomic_bit_test_and_reset<mode>_1): New insns.
13247 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
13249         PR rtl-optimization/70687
13250         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
13251         instead of unsigned HOST_WIDE_INT.
13253 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
13255         PR rtl-optimization/44281
13256         * hard-reg-set.h (struct target_hard_regs): New field
13257         x_fixed_nonglobal_reg_set.
13258         (fixed_nonglobal_reg_set): New macro.
13259         * reginfo.c (init_reg_sets_1): Initialize it.
13260         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
13261         of fixed_reg_set.
13262         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
13264 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
13266         PR tree-optimization/56541
13267         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
13268         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
13269         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
13270         (any_complicated_phi): new static variable.
13271         (aggressive_if_conv): delete.
13272         (if_convertible_phi_p): support phis with more than two arguments.
13273         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
13274         critical pred edges.
13275         (ifcvt_split_critical_edges): support phis with more than two
13276         arguments by checking new parameter.  only split critical edges
13277         if needed.
13278         (tree_if_conversion): handle simd pragma marked loop using new
13279         local variable aggressive_if_conv.  check any_complicated_phi.
13281 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
13283         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
13284         before using it.
13286 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
13288         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
13289         cbase.
13291 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
13293         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
13294         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
13295         define_insn_and_split.
13296         (mulsi3_i): New define_insn_and_split.
13297         (mulsi3_call): Convert to define_insn.
13298         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
13299         Remove constraints.
13301 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
13303         * machmode.h (mode_complex): Add support to give the complex mode
13304         for a given mode.
13305         (GET_MODE_COMPLEX_MODE): Likewise.
13306         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
13307         stored by build_complex_type and gfc_build_complex_type instead of
13308         trying to figure out the appropriate mode based on the size. Raise
13309         an assertion error, if the type was not set.
13310         * genmodes.c (struct mode_data): Add field for the complex type of
13311         the given type.
13312         (blank_mode): Likewise.
13313         (make_complex_modes): Remember the complex mode created in the
13314         base type.
13315         (emit_mode_complex): Write out the mode_complex array to map a
13316         type mode to the complex version.
13317         (emit_insn_modes_c): Likewise.
13318         * tree.c (build_complex_type): Set the complex type to use before
13319         calling layout_type.
13320         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
13321         support for __float128 complex datatypes.
13322         (rs6000_hard_regno_mode_ok): Likewise.
13323         (rs6000_setup_reg_addr_masks): Likewise.
13324         (rs6000_complex_function_value): Likewise.
13325         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
13326         __float128 and __ibm128 complex.
13327         (FLOAT128_IBM_P): Likewise.
13328         (ALTIVEC_ARG_MAX_RETURN): Likewise.
13329         * doc/extend.texi (Additional Floating Types): Document that
13330         -mfloat128 must be used to enable __float128.  Document complex
13331         __float128 and __ibm128 support.
13333 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
13335         PR target/49244
13336         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
13337         char/short arguments promoted to int because of promote_prototypes.
13339 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
13341         * config/i386/predicates.md (register_ssemem_operand): New predicate.
13342         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
13343         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
13344         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
13345         alternatives using "enabled" attribute.  Use register_ssemem_operand
13346         as operand 1 predicate.
13347         (*cmpi<unord>xf_i387): Split XFmode pattern from
13348         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
13349         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
13350         *absneg<mode>2_i387.  Disable unsupported alternatives using
13351         "enabled" attribute.
13352         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
13354 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
13356         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
13357         marker.
13358         (oacc_loop_process): Check mask for loop termination.
13360 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
13362         * cif-code.def (CIF_THUNK): Add.
13363         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
13364         accidental change.
13366 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
13368         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
13369         (dump_inline_summary): Dump it.
13370         (fp_expression_p): New predicate.
13371         (estimate_function_body_sizes): Use it.
13372         (inline_merge_summary): Merge fp_expressions.
13373         (inline_read_section): Read fp_expressions.
13374         (inline_write_summary): Write fp_expressions.
13375         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
13376         codegen boundary if either caller or callee is !fp_expressions.
13377         * ipa-inline.h (inline_summary): Add fp_expressions.
13378         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
13379         to fp_expressions be sure the fp generation flags are updated.
13381 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
13383         PR rtl-optimization/70467
13384         * cse.c (cse_insn): Handle no-op MEM moves after folding.
13386         PR rtl-optimization/70467
13387         * ipa-pure-const.c (check_call): Handle internal calls even in
13388         ipa mode like in local mode.
13390 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13392         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
13394 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
13396         * match.pd (X u< X, X u> X): New transformations.
13398 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
13400         * flag-types.h (enum warn_strict_overflow_code): Move ...
13401         * coretypes.h: ... here.
13402         * fold-const.h (fold_overflow_warning): Declare.
13403         * fold-const.c (fold_overflow_warning): Make non-static.
13404         (fold_comparison): Move the transformation of X +- C1 CMP C2
13405         into X CMP C2 -+ C1 ...
13406         * match.pd: ... here.
13407         * gimple-fold.c (fold_stmt_1): Protect with
13408         fold_defer_overflow_warnings.
13410 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
13412         * omp-low.c (struct oacc_loop): Add 'inner' field.
13413         (new_oacc_loop_raw): Initialize it to zero.
13414         (oacc_loop_fixed_partitions): Initialize it.
13415         (oacc_loop_auto_partitions): Partition outermost loop to outermost
13416         available partitioning.
13418 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
13420         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
13421         register_operand.
13422         (umulsidi3): Likewise.
13423         (indirect_jump): Fix jump instruction assembly patterns.
13425 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
13427         PR target/70860
13428         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
13429         (nvptx_function_value): Assert non-NULL cfun.
13431 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
13433         PR rtl-optimization/70886
13434         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
13436         * cselib.h (rtx_equal_for_cselib_1): Declare.
13437         (rtx_equal_for_cselib_p: New inline function.
13438         * cselib.c (rtx_equal_for_cselib_p): Delete.
13439         (rtx_equal_for_cselib_1): Make public.
13441 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
13443         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
13444         (register_mixssei387nonimm_operand): Remove predicate.
13445         * config/i386/i386.md (*fop_<mode>_comm): Merge from
13446         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
13447         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
13448         for TARGET_MIX_SSE_I387 alternatives.
13449         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
13450         Disable unsupported alternatives using "enabled" attribute.  Use
13451         nonimm_ssenomem_operand as operand 1 predicate.  Also check
13452         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
13454 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
13456         * tree.c (cst_and_fits_in_hwi): Simplify.
13458 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
13460         * tree.h (wi::to_wide): New function.
13461         * expr.c (expand_expr_real_1): Use wi::to_wide.
13462         * fold-const.c (int_const_binop_1): Likewise.
13463         (extract_muldiv_1): Likewise.
13465 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
13467         * wide-int.h: Update offset_int and widest_int documentation.
13468         (WI_SIGNED_SHIFT_RESULT): New macro.
13469         (wi::binary_shift): Define signed_shift_result_type for
13470         shifts on offset_int- and widest_int-like types.
13471         (generic_wide_int): Support <<= and >>= if << and >> are supported.
13472         * tree.h (int_bit_position): Use shift operators instead of wi::
13473          shifts.
13474         * alias.c (adjust_offset_for_component_ref): Likewise.
13475         * expr.c (get_inner_reference): Likewise.
13476         * fold-const.c (fold_comparison): Likewise.
13477         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
13478         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
13479         * tree-dfa.c (get_ref_base_and_extent): Likewise.
13480         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
13481         (stmt_kills_ref_p): Likewise.
13482         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
13483         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
13484         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
13485         (ao_ref_init_from_vn_reference): Likewise.
13487 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
13489         * wide-int.h: Update offset_int and widest_int documentation.
13490         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
13491         (wi::binary_traits): Allow ordered comparisons between offset_int and
13492         offset_int, between widest_int and widest_int, and between either
13493         of these types and basic C types.
13494         (operator <, <=, >, >=): Define for the same combinations.
13495         * tree.h (tree_int_cst_lt): Use comparison operators instead
13496         of wi:: comparisons.
13497         (tree_int_cst_le): Likewise.
13498         * gimple-fold.c (fold_array_ctor_reference): Likewise.
13499         (fold_nonarray_ctor_reference): Likewise.
13500         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
13501         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
13502         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
13503         * tree-sra.c (completely_scalarize): Likewise.
13504         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
13505         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
13506         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
13507         (check_for_binary_op_overflow): Likewise.
13508         (search_for_addr_array): Likewise.
13509         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
13511 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
13513         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
13514         (arc_save_restore): Likewise.
13515         (arc_dwarf_register_span): Likewise.
13516         (arc_output_pic_addr_const): Initialize suffix variable.
13518 2016-05-02  Martin Liska  <mliska@suse.cz>
13520         * symbol-summary.h (function_summary::function_summary):
13521         Remove checking assert for all cgraph nodes.
13522         (function_summary::get): Check summary_uid.
13523         (symtab_insertion): Check summary_uid.
13525 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
13527         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
13528         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
13529         bmaskn instruction.
13530         (arc_dwarf_register_span): Remove enum keyword.
13531         (compact_memory_operand_p): New function.
13532         * config/arc/arc.h (reg_class): Add code density register classes.
13533         (REG_CLASS_NAMES): Likewise.
13534         (REG_CLASS_CONTENTS): Likewise.
13535         * config/arc/arc.md (*movqi_insn): Add code density instructions.
13536         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
13537         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
13538         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
13539         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
13540         constraints.
13541         (h, Rcd, Rsd, Rzd): New register constraints.
13542         (T): Use compact_memory_operand_p function.
13543         * config/arc/predicates.md (compact_load_memory_operand): Remove.
13545 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
13547         * config/sh/sh.md (*negnegt, *movtt): Remove.
13549 2016-05-02  Marek Polacek  <polacek@redhat.com>
13550             Tom de Vries  <tom@codesourcery.com>
13552         PR tree-optimization/70700
13553         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
13554         bigger than FIRST_REF_NODE.
13556 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
13558         PR target/52898
13559         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
13560         TARGET_CMPEQDI_T.
13561         (prepare_cbranch_operands): Don't use scratch register.  Assume that
13562         function is used when pseudos can be created.
13563         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
13564         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
13565         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
13566         define_expand.  Allow it only when pseudos can be created.
13567         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
13569 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
13571         * config/i386/constraints.md (BC): Only allow -1 operands.
13572         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
13573         Add "enabled" attribute.  Update XI mode attribute calculation.
13574         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
13575         (*movoi_internal_avx): Update XI mode attribute calculation.
13576         (*movti_internal): Ditto.
13578 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
13580         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
13581         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
13583 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
13585         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
13586         statement on instruction code.  Remove trailing spaces.
13587         (altivec_expand_stv_builtin): Likewise.
13589 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
13591         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
13592         (TARGET_FPU_DOUBLE): Simplify.
13593         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
13594         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
13595         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
13596         with 'TARGET_FPU_DOUBLE'.
13597         * config/sh/sh.md: Likewise.
13599 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
13601         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
13602         SH_DIV_STR_FOR_SIZE): Remove.
13603         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
13604         SH_DIV_STR_FOR_SIZE): Remove.
13606 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
13608         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
13609         logical_reg_operand): Delete.
13610         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
13611         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
13612         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
13613         match_operand and match_test.
13614         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
13615         variables on their first use.  Return bool values.
13616         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
13617         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
13618         arith_reg_operand for input operand.  Remove empty constraints.
13619         (xorsi3): Delete.
13620         (*xorsi3_compact): Rename to xorsi3.
13621         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
13622         (*zero_extend<mode>si2_disp_mem): Update comment.
13623         (mov_nop): Delete.
13625 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
13627         * config/sh/t-sh: Remove SH5 support.
13628         * config.gcc: Likewise.
13629         * configure: Likewise.
13631 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13633         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
13635 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
13637         * config/sh/sh.c (register_sh_passes, sh_option_override,
13638         sh_print_operand, prepare_move_operands,
13639         sh_can_follow_jump): Remove TARGET_SH1 checks.
13640         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
13641         PROMOTE_MODE): Likewise.
13642         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
13643         movdi): Likewise.
13645 2016-04-30  Alan Modra  <amodra@gmail.com>
13647         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
13648         restoring when fixed_reg_p, but allow out-of-line or stmw save.
13649         Check for user regs later to avoid unnecessary looping over regs.
13650         Merge user reg check with non-saved reg check.  Don't force
13651         inline VR restore when static chain used.
13652         (rs6000_frame_related): Omit eh_frame info for user regs when
13653         saving.
13654         (fixed_regs_p): Delete.
13656 2016-04-30  Alan Modra  <amodra@gmail.com>
13658         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
13659         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
13660         Update all uses.
13662 2016-04-30  Alan Modra  <amodra@gmail.com>
13664         PR target/69645
13665         * config/rs6000/rs6000.c (fixed_reg_p): New function.
13666         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
13667         Update all uses.
13669 2016-04-30  Alan Modra  <amodra@gmail.com>
13671         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13672         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
13673         flag_pic test for Darwin.
13675 2016-04-30  Alan Modra  <amodra@gmail.com>
13677         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
13678         throw_calls_crossed.
13679         (REG_FREQ_CALLS_CROSSED): Delete.
13680         (REG_N_THROWING_CALLS_CROSSED): Delete.
13681         * regstat.c (regstat_bb_compute_ri): Don't calculate
13682         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
13683         (dump_reg_info): Don't print call cross frequency.
13684         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
13685         and REG_N_THROWING_CALLS_CROSSED.
13687 2016-04-30  Alan Modra  <amodra@gmail.com>
13689         * regs.h (struct reg_info_t): Delete live_length.
13690         (REG_LIVE_LENGTH): Delete macro.
13691         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
13692         local_live, local_processed and local_live_last_luid params.
13693         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
13694         Formatting fixes.
13695         (regstat_compute_ri): Adjust for above.  Don't set
13696         REG_LIVE_LENGTH.
13697         (dump_reg_info): Don't print live length.
13698         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
13699         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
13700         Localize loop_depth var.
13702 2016-04-30  Alan Modra  <amodra@gmail.com>
13704         * ira.c (enum valid_equiv): New.
13705         (validate_equiv_mem): Return enum.
13706         (update_equiv_mem): Create replacement in more cases.
13707         (add_store_equivs): Update validate_equiv_mem call.
13709 2016-04-30  Alan Modra  <amodra@gmail.com>
13711         * ira.c (combine_and_move_insns): Rather than scanning insns,
13712         use DF infrastucture to find use and def insns.
13714 2016-04-30  Alan Modra  <amodra@gmail.com>
13716         ira.c (combine_and_move_insns): Move invariant conditions..
13717         (ira.c): ..to here.  Call combine_and_move_insns before
13718         add_store_equivs.  Call grow_reg_equivs later.  Allocate
13719         req_equiv later using max_reg_num() rather than global max_regno.
13720         (contains_replace_regs): Delete.
13721         (add_store_equivs): Remove contains_replace_regs test.
13723 2016-04-30  Alan Modra  <amodra@gmail.com>
13725         * ira.c (struct equiv_mem_data): New.
13726         (equiv_mem, equiv_mem_modified): Delete static vars.
13727         (validate_equiv_mem_from_store): Use "data" param to communicate..
13728         (validate_equiv_mem): ..from here.
13730 2016-04-30  Alan Modra  <amodra@gmail.com>
13732         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
13733         split out from..
13734         (update_reg_equivs): ..here.  Move allocation and freeing of
13735         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
13736         end_alias_analysis to..
13737         (ira): ..here.
13739 2016-04-30  Alan Modra  <amodra@gmail.com>
13741         * ira.c (pdx_subregs): Delete.
13742         (struct equivalence): Add pdx_subregs field.
13743         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
13744         pdx_subregs access.
13745         (update_equiv_regs): Don't create or free pdx_subregs.  Update
13746         pdx_subregs access.
13748 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13750         * config/rs6000/altivec.h: Change definitions of vec_xl and
13751         vec_xst.
13752         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
13753         (LD_ELEMREV_V2DI): New.
13754         (LD_ELEMREV_V4SF): New.
13755         (LD_ELEMREV_V4SI): New.
13756         (LD_ELEMREV_V8HI): New.
13757         (LD_ELEMREV_V16QI): New.
13758         (ST_ELEMREV_V2DF): New.
13759         (ST_ELEMREV_V2DI): New.
13760         (ST_ELEMREV_V4SF): New.
13761         (ST_ELEMREV_V4SI): New.
13762         (ST_ELEMREV_V8HI): New.
13763         (ST_ELEMREV_V16QI): New.
13764         (XL): New.
13765         (XST): New.
13766         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
13767         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
13768         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
13769         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
13770         (altivec_expand_builtin): Add handling for
13771         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
13772         (rs6000_invalid_builtin): Add error-checking for
13773         RS6000_BTM_P9_VECTOR.
13774         (altivec_init_builtins): Define builtins used to implement vec_xl
13775         and vec_xst.
13776         (rs6000_builtin_mask_names): Define power9-vector.
13777         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
13778         (RS6000_BTM_P9_VECTOR): Define.
13779         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
13780         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
13781         (vsx_ld_elemrev_v2df): Likewise.
13782         (vsx_ld_elemrev_v4sf): Likewise.
13783         (vsx_ld_elemrev_v4si): Likewise.
13784         (vsx_ld_elemrev_v8hi): Likewise.
13785         (vsx_ld_elemrev_v16qi): Likewise.
13786         (vsx_st_elemrev_v2df): Likewise.
13787         (vsx_st_elemrev_v2di): Likewise.
13788         (vsx_st_elemrev_v4sf): Likewise.
13789         (vsx_st_elemrev_v4si): Likewise.
13790         (vsx_st_elemrev_v8hi): Likewise.
13791         (vsx_st_elemrev_v16qi): Likewise.
13792         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
13793         grammar.
13795 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
13797         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
13798         out into ...
13799         (simplify_control_stmt_condition_1): ... here.  Recurse into
13800         BIT_AND_EXPRs and BIT_IOR_EXPRs.
13802 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
13804         PR target/69810
13805         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
13806         (zero_extendqi<mode>2_dot): Revert earlier conversion from
13807         define_insn_and_split to define_insn.
13808         (zero_extendqi<mode>2_dot2): Same.
13809         (extendqi<mode>2_dot): Same.
13810         (extendqi<mode>2_dot2): Same.
13812 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
13814         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
13815         (probe_stack): New expander.
13816         (probe_stack_<mode>): New insn pattern.
13818 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
13820         * config/i386/i386.md
13821         (operations with memory inputs setting flags peephole2):
13822         Remove uneeded REG_P checks.  Cleanup pattern generation.
13824 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
13826         * tree-vect-loop.c (vect_transform_loop): Fix
13827         nb_iterations_upper_bound computation for vectorized loop.
13829 2016-04-29  Marek Polacek  <polacek@redhat.com>
13830             Jakub Jelinek  <jakub@redhat.com>
13832         PR sanitizer/70342
13833         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
13834         TARGET_EXPR_SLOT as a base.
13836 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
13838         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
13839         with 'rCm2' constraints to limit possible immediate size.
13840         (*load_zeroextendqisi_update): Likewise.
13841         (*load_signextendqisi_update): Likewise.
13842         (*loadhi_update): Likewise.
13843         (*load_zeroextendhisi_update): Likewise.
13844         (*load_signextendhisi_update): Likewise.
13845         (*loadsi_update): Likewise.
13846         (*loadsf_update): Likewise.
13848 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
13850         * config/i386/predicates.md (constm1_operand): Fix comparison.
13852 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
13854         * testsuite/gcc.target/arc/ieee_eq.c: New test.
13856 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
13858         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
13859         remaining SH5 related settings.
13860         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
13861         shmedia_prepare_call_address): Delete.
13862         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
13863         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
13864         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
13865         UNSUPPORTED_SH2A): Remove m5 checks.
13866         (sh_divide_strategy_e): Remove SH5 division strategies.
13867         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
13868         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
13870 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13872         * config/s390/s390.c (s390_rtx_costs): Update documentation.
13874 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13876         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
13877         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
13878         Change lder to ldr.
13879         * config/s390/vector.md ("mov<mode>"): Likewise.
13881 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
13883         * config/s390/constraints.md ("U", "W"): Invoke
13884         s390_mem_constraint with "ZR" and "ZT".
13885         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
13886         addresses when using LRA.  Accept also short displacements for S
13887         and T constraints.  Do not check for long displacement target for
13888         S and T constraints.
13889         (s390_mem_constraint): Remove handling of U and W constraints.
13890         * config/s390/s390.md (various patterns): Remove the short
13891         displacement constraints (Q and R) if a long displacement
13892         constraint is present.  Add longdisp as required CPU capability.
13893         * config/s390/vector.md: Likewise.
13894         * config/s390/vx-builtins.md: Likewise.
13896 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
13898         PR target/60040
13899         * reload1.c (reload): Call finish_spills before
13900         restarting reload loop. Skip select_reload_regs
13901         if update_eliminables_and_spill returns true.
13903 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
13905         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
13906         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
13907         (umulhisi3_imm): Update predicates and constraint letters.
13908         (umulhisi3_reg): Declare instruction as commutative.
13909         * config/arc/constraints.md (J12, J16): New constraints.
13910         * config/arc/predicates.md (short_unsigned_const_operand): New
13911         predicate.
13912         (arc_short_operand): Likewise.
13913         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
13915 2016-04-29  Richard Biener  <rguenther@suse.de>
13917         PR tree-optimization/13962
13918         PR tree-optimization/65686
13919         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
13920         * tree-ssa-alias.c (ptrs_compare_unequal): New function
13921         using PTA to compare pointers.
13922         * match.pd: Add pattern for pointer equality compare simplification
13923         using ptrs_compare_unequal.
13925 2016-04-29  Richard Biener  <rguenther@suse.de>
13927         * stor-layout.c (layout_type): Do not build a pointer-to-element
13928         type for arrays.
13930 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
13932         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
13933         Use SWI mode iterator.  Use general_reg_operand predicate.
13934         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
13935         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
13936         predicates.
13938 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
13940         PR middle-end/70843
13941         * fold-const.c (operand_equal_p): Don't verify hash value equality
13942         if arg0 == arg1.
13943         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
13944         and OMP_CLAUSE.
13946 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
13948         PR target/70858
13949         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
13950         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
13951         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
13952         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
13953         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
13955 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
13957         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
13958         to info.  Don't initialize separate fields to 0.  Clean up
13959         formatting a bit.
13961 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
13963         * config/i386/i386.md (peephole2s for operations with memory inputs):
13964         Use SWI mode iterator.
13965         (peephole2s for operations with memory outputs): Ditto.
13966         Do not check for stack checking probe.
13968         (probe_stack): Remove expander.
13970 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
13971             Andrew Burgess  <andrew.burgess@embecosm.com>
13973         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
13974         operands as 32-bits.
13976 2016-04-28  Jason Merrill  <jason@redhat.com>
13978         * gdbinit.in: Skip line-map.h.
13980 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
13981             Andrew Burgess  <andrew.burgess@embecosm.com>
13983         * config/arc/arc.c (arc_conditional_register_usage): Take
13984         TARGET_RRQ_CLASS into account.
13985         (arc_print_operand): Support printing 'p' and 's' operands.
13986         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
13987         as 0.
13988         (TARGET_RRQ_CLASS): Define.
13989         (IS_POWEROF2_OR_0_P): Define.
13990         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
13991         alternatives.
13992         (*tst_movb): New define_insn.
13993         (*tst): Avoid recognition if it could prevent '*tst_movb'
13994         combination; replace c/CnL with c/Chs alternative.
13995         (*tst_bitfield_tst): New define_insn.
13996         (*tst_bitfield_asr): New define_insn.
13997         (*tst_bitfield): New define_insn.
13998         (andsi3_i): Add Rrq variant.
13999         (extzv): New define_expand.
14000         (insv): New define_expand.
14001         (*insv_i): New define_insn.
14002         (*movb): New define_insn.
14003         (*movb_signed): New define_insn.
14004         (*movb_high): New define_insn.
14005         (*movb_high_signed): New define_insn.
14006         (*movb_high_signed + 1): New define_split pattern.
14007         (*mrgb): New define_insn.
14008         (*mrgb + 1): New define_peephole2 pattern.
14009         (*mrgb + 2): New define_peephole2 pattern.
14010         * config/arc/arc.opt (mbitops): New option for nps400, uses
14011         TARGET_NPS_BITOPS_DEFAULT.
14012         * config/arc/constraints.md (q): Make register class conditional.
14013         (Rrq): New register constraint.
14014         (Chs): New constraint.
14015         (Clo): New constraint.
14016         (Chi): New constraint.
14017         (Cbf): New constraint.
14018         (Cbn): New constraint.
14019         (C18): New constraint.
14020         (Cbi): New constraint.
14022 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
14024         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
14025         dst->popcount.
14026         (bitmap_intersection_of_preds): Ditto.
14027         (bitmap_union_of_succs): Ditto.
14028         (bitmap_union_of_preds): Ditto.
14029         * sbitmap.c (do_popcount): Delete.
14030         (BITMAP_DEBUGGING): Delete.
14031         (sbitmap_verify_popcount): Delete.
14032         (sbitmap_alloc): Don't initialize the popcount field.
14033         (sbitmap_alloc_with_popcount): Delete.
14034         (sbitmap_resize): Don't resize the popcount array.
14035         (sbitmap_vector_alloc): Don't initialize the popcount field.
14036         (bitmap_copy): Don't copy the popcount array.
14037         (bitmap_clear): Don't clear the popcount array.
14038         (bitmap_clear): Delete the popcount array handling.
14039         (bitmap_ior_and_compl): Delete the popcount assert.
14040         (bitmap_not): Ditto.
14041         (bitmap_and_compl): Ditto.
14042         (bitmap_and): Delete the popcount array handling.
14043         (bitmap_xor): Ditto.
14044         (bitmap_ior): Ditto.
14045         (bitmap_or_and): Delete the popcount assert.
14046         (bitmap_and_or): Ditto.
14047         (popcount_table): Delete.
14048         (sbitmap_elt_popcount): Delete.
14049         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
14050         (bitmap_set_bit): Delete the popcount assert.
14051         (bitmap_clear_bit): Ditto.
14052         (sbitmap_free): Don't free the popcount array.
14053         (sbitmap_alloc_with_popcount): Delete declaration.
14054         (sbitmap_popcount): Ditto.
14056 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
14057             Andrew Burgess  <andrew.burgess@embecosm.com>
14059         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
14060         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
14061         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
14062         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
14063         * config/arc/arc.opt (mcmem): New option.
14064         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
14065         supply length for r/m alternative.
14066         (*extendqisi2_ac): Likewise.
14067         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
14068         r/Uex alternative.
14069         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
14070         (movhi_insn): Likewise.
14071         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
14072         (*zero_extendqihi2_i): Add r/Ucm alternative.
14073         (*zero_extendqisi2_ac): Likewise.
14074         (*zero_extendhisi2_i): Likewise.
14075         * config/arc/constraints.md (Uex): New memory constraint.
14076         (Ucm): New define_constraint.
14077         * config/arc/predicates.md (long_immediate_loadstore_operand):
14078         Return 0 for MEM with cmem_address address.
14079         (cmem_address_0): New predicates.
14080         (cmem_address_1): Likewise.
14081         (cmem_address_2): Likewise.
14082         (cmem_address): Likewise.
14084 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
14086         * config/rs6000/rs6000.c (machine_function): Rename
14087         insn_chain_scanned_p to spe_insn_chain_scanned_p.
14088         (rs6000_stack_info): Adjust.
14090 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
14091             Andrew Burgess  <andrew.burgess@embecosm.com>
14093         * config/arc/constraints.md (Usd): Convert to define_constraint.
14094         (Us<): Likewise.
14095         (Us>): Likewise.
14097 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
14099         PR target/70821
14100         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
14101         Add new peephole2 where the first insn is *mov<mode>_or instead of
14102         *mov<mode>_internal.
14104 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
14106         * tracer.c (bb_seen): Make static.
14108 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
14110         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
14111         support, setup defaults.
14112         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
14113         * config/arc/arc.c (arc_init): Add NPS400 support.
14114         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
14115         (TARGET_ARC700): NPS400 is also an ARC700.
14116         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
14118 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
14120         PR target/70668
14121         * config/nds32/nds32.md (casesi): Don't access the operands array
14122         out of bounds.
14124 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
14126         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
14127         (or $-1,reg peephole2): Ditto.
14128         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
14130 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
14132         * doc/extend.texi (Common Function Attributes) [optimize]:
14133         Discourage use of the optimize attribute.
14135 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
14137         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
14138         special case builtin.
14139         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
14140         ALTIVEC_BUILTIN_VEC_ADDE.
14141         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
14142         support for ALTIVEC_BUILTIN_VEC_ADDE.
14143         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
14144         for __builtin_vec_adde.
14146 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
14148         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
14149         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
14151 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14153         PR testsuite/70595
14154         * doc/sourcebuild.texi (Effective-Target Keywords, Other
14155         attributes): Document cilkplus_runtime.
14157 2016-04-28  Martin Jambor  <mjambor@suse.cz>
14159         * tree-cfg.c (verify_expr): Verify that local declarations belong to
14160         this function.  Call verify_expr on MEM_REFs and bases of other
14161         handled_components.
14163 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14165         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
14166         for WORD_REGISTER_OPERATIONS to runtime check.
14168 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
14170         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
14172 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
14174         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
14175         big-endian compilation.
14176         * config/arc/arc.md (addf3): Likewise.
14177         (subdf3): Likewise.
14178         (muldf3): Likewise.
14180 2016-04-28  Richard Biener  <rguenther@suse.de>
14182         PR tree-optimization/70840
14183         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
14184         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
14185         Mark x * pow(x,c) -> pow(x,c+1) commutative.
14186         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
14188 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14190         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
14191         and explain why in a comment.
14193 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
14195         * config/arc/arc.md (cpu_facility): Add fpx variant.
14196         (subdf3): Prohibit use reverse sub when assist operations option
14197         is enabled.
14198         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
14199         instructions only when FPX is enabled.
14200         * testsuite/gcc.target/arc/trsub.c: New test.
14202 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
14204         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
14205         mult_operator when calculating "type" attribute.
14206         (*fop_<mode>_1_i387): Ditto.
14207         (*fop_xf_1_i387): Ditto.
14208         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
14209         Use std::swap to swap operands.  Use RTL expressions to generate
14210         converted pattern.
14212 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
14213             Joern Rennecke  <joern.rennecke@embecosm.com>
14215         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
14216         declaration.
14217         (emit_pic_move): Remove.
14218         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
14219         * config/arc/arc.c (emit_pic_move): Removed.
14220         (TARGET_HAVE_TLS): Define.
14221         (arc_conditional_register_usage): Test for arc_tp_regno.
14222         (arc_print_operand, arc_print_operand_address): Handle TLS
14223         unspecs.
14224         (arc_needs_pcl_p): New function.
14225         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
14226         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
14227         (arc_raw_symbolic_reference_mentioned_p): Likewise.
14228         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
14229         (arc_legitimize_tls_address): Likewise.
14230         (DTPOFF_ZERO_SYM): Define.
14231         (arc_legitimize_pic_address): Make it static, handle TLS cases.
14232         (arc_output_pic_addr_const): Print TLS unspecs.
14233         (prepare_pic_move): New function, replaces emit_pic_move.
14234         (arc_legitimate_constant_p): Handle TLS unspecs.
14235         (arc_legitimate_address_p): Likewise.
14236         (arc_rewrite_small_data_p): Use assert for TLS constants.
14237         (prepare_move_operands): Use prepare_pic_move.
14238         (arc_legitimize_address): Legitimize tls addresses.
14239         (arc_epilogue_uses): Check for arc_tp_regno.
14240         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
14241         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
14242         Define.
14243         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
14244         Likewise.
14245         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
14246         %(arc_tls_extra_start_spec).
14247         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
14248         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
14249         (EH_USES): Define.
14250         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
14251         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
14252         (UNSPEC_TLS_OFF): Add.
14253         (R10_REG): Define.
14254         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
14255         (get_thread_pointersi): New patterns.
14256         * config/arc/arc.opt (mtp-regno): New option.
14257         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
14258         (move_dest_operand): Likewise.
14259         * configure: Regenerate.
14260         * configure.ac: Add arc*-*-* case to test for tls.
14261         * doc/invoke.texi (ARC options): Document mtp-regno.
14263 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
14265         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
14266         the new ARC HS SIMD instructions.
14267         (arc_preferred_simd_mode): New function.
14268         (arc_autovectorize_vector_sizes): Likewise.
14269         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
14270         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
14271         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
14272         (arc_init_builtins): Add new SIMD builtin types.
14273         (arc_split_move): Handle 64 bit vector moves.
14274         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
14275         (TARGET_PLUS_QMACW): Define.
14276         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
14277         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
14278         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
14279         (VSUBADD4H): New builtins.
14280         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
14281         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
14283 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
14284             Matthias Klose  <doko@debian.org>
14286         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
14288 2016-04-28  Richard Biener  <rguenther@suse.de>
14290         PR middle-end/70777
14291         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
14292         canonicalization.
14294 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
14296         * common/config/sh/sh-common.c: Remove SH5 support.
14297         * config/sh/constraints.md: Likewise.
14298         * config/sh/config/sh/elf.h: Likewise.
14299         * config/sh/linux.h: Likewise.
14300         * config/sh/netbsd-elf.h: Likewise.
14301         * config/sh/predicates.md: Likewise.
14302         * config/sh/sh-c.c: Likewise.
14303         * config/sh/sh-protos.h: Likewise.
14304         * config/sh/sh.c: Likewise.
14305         * config/sh/sh.h: Likewise.
14306         * config/sh/sh.md: Likewise.
14307         * config/sh/sh.opt: Likewise.
14308         * config/sh/sync.md: Likewise.
14309         * config/sh/sh64.h: Delete.
14310         * config/sh/shmedia.h: Likewise.
14311         * config/sh/shmedia.md: Likewise.
14312         * config/sh/sshmedia.h: Likewise.
14313         * config/sh/t-netbsd-sh5-64: Likewise.
14314         * config/sh/t-sh64: Likewise.
14315         * config/sh/ushmedia.h: Likewise.
14317 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
14319         * config/i386/i386.md (sign_extend to memory peephole2s): Use
14320         general_reg_operand instead of register_operand predicate.
14322 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
14324         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
14326 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
14328         * match.pd (A - B > A, A + B < A): New transformations.
14330 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
14332         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
14333         which defaults to true.  Emit an outer pair of parentheses only if
14334         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
14335         don't emit parentheses for the right-hand operand.
14337 2016-04-27  Jeff Law  <law@redhat.com>
14339         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
14341 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14343         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
14344         (altivec_lvx_<mode>_internal): Document.
14345         (altivec_lvx_<mode>_2op): New define_insn.
14346         (altivec_lvx_<mode>_1op): Likewise.
14347         (altivec_lvx_<mode>_2op_si): Likewise.
14348         (altivec_lvx_<mode>_1op_si): Likewise.
14349         (altivec_stvx_<mode>): Remove.
14350         (altivec_stvx_<mode>_internal): Document.
14351         (altivec_stvx_<mode>_2op): New define_insn.
14352         (altivec_stvx_<mode>_1op): Likewise.
14353         (altivec_stvx_<mode>_2op_si): Likewise.
14354         (altivec_stvx_<mode>_1op_si): Likewise.
14355         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14356         Expand vec_ld and vec_st during parsing.
14357         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
14358         changes.
14359         (altivec_expand_stvx_be): Likewise.
14360         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
14361         address-masking behavior in RTL.
14362         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
14363         address-masking behavior in RTL.
14364         (altivec_expand_builtin): Change builtin code arguments for calls
14365         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
14366         (insn_is_swappable_p): Avoid incorrect swap optimization in the
14367         presence of lvx/stvx patterns.
14368         (alignment_with_canonical_addr): New function.
14369         (alignment_mask): Likewise.
14370         (find_alignment_op): Likewise.
14371         (recombine_lvx_pattern): Likewise.
14372         (recombine_stvx_pattern): Likewise.
14373         (recombine_lvx_stvx_patterns): Likewise.
14374         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
14375         stvx patterns from expand.
14376         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
14377         expansions.
14378         (vector_altivec_store_<mode>): Likewise.
14380 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
14382         * config/aarch64/aarch64.md
14383         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
14384         remove the "fp" attributes.
14385         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
14386         add the "simd" attributes.
14387         (*movdf_aarch64): Likewise.
14388         (*movtf_aarch64): Remove the "fp" attributes.
14389         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
14390         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
14392 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
14394         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
14395         rtx to rtx_code_label *.
14396         * rtl.h (maybe_set_first_label_num): Likewise.
14398 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
14400         * df-core.c (df_add_problem): Make the problem param be const.
14401         (df_remove_problem): Make local "problem" be const.
14402         * df-problems.c (problem_RD): Make const.
14403         (problem_LR): Likewise.
14404         (problem_LIVE): Likewise.
14405         (problem_MIR): Likewise.
14406         (problem_CHAIN): Likewise.
14407         (problem_WORD_LR): Likewise.
14408         (problem_NOTE): Likewise.
14409         (problem_MD): Likewise.
14410         * df-scan.c (problem_SCAN): Likewise.
14411         * df.h (struct df_problem): Make field "dependent_problem" be
14412         const.
14413         (struct dataflow): Likewise for field "problem".
14414         (df_add_problem): Make param const.
14416 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
14418         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
14419         inter-unit moves to/from vector registers are enabled.  Do not disable
14420         for TARGET_MMX.
14422 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
14424         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
14425         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
14426         #define to...
14427         (enum df_problem_id): ...this new enum.
14428         (struct df_problem): Convert field "id" from "int" to
14429         enum df_problem_id.
14431 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
14433         * rtl.def: Update comment for "things in the instruction chain" to
14434         reflect the removal of the leading "i" field for INSN_UID in
14435         r210360.  Fix bogus apostrophe.
14437 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
14439         * config/i386/i386.md
14440         (lea arith with mem operand + setcc peephole2): Set operator mode.
14442 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
14444         PR target/70155
14445         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
14446         (dimode_scalar_to_vector_candidate_p): This.
14447         (timode_scalar_to_vector_candidate_p): New function.
14448         (scalar_to_vector_candidate_p): Likewise.
14449         (timode_check_non_convertible_regs): Likewise.
14450         (timode_remove_non_convertible_regs): Likewise.
14451         (remove_non_convertible_regs): Likewise.
14452         (remove_non_convertible_regs): Renamed to ...
14453         (dimode_remove_non_convertible_regs): This.
14454         (scalar_chain::~scalar_chain): Make it virtual.
14455         (scalar_chain::compute_convert_gain): Make it pure virtual.
14456         (scalar_chain::mark_dual_mode_def): Likewise.
14457         (scalar_chain::convert_insn): Likewise.
14458         (scalar_chain::convert_registers): Likewise.
14459         (scalar_chain::add_to_queue): Make it protected.
14460         (scalar_chain::emit_conversion_insns): Likewise.
14461         (scalar_chain::replace_with_subreg): Likewise.
14462         (scalar_chain::replace_with_subreg_in_insn): Likewise.
14463         (scalar_chain::convert_op): Likewise.
14464         (scalar_chain::convert_reg): Likewise.
14465         (scalar_chain::make_vector_copies): Likewise.
14466         (scalar_chain::convert_registers): New pure virtual function.
14467         (class dimode_scalar_chain): New class.
14468         (class timode_scalar_chain): Likewise.
14469         (scalar_chain::mark_dual_mode_def): Renamed to ...
14470         (dimode_scalar_chain::mark_dual_mode_def): This.
14471         (timode_scalar_chain::mark_dual_mode_def): New function.
14472         (timode_scalar_chain::convert_insn): Likewise.
14473         (dimode_scalar_chain::convert_registers): Likewise.
14474         (scalar_chain::compute_convert_gain): Renamed to ...
14475         (dimode_scalar_chain::compute_convert_gain): This.
14476         (scalar_chain::replace_with_subreg): Renamed to ...
14477         (dimode_scalar_chain::replace_with_subreg): This.
14478         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
14479         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
14480         (scalar_chain::make_vector_copies): Renamed to ...
14481         (dimode_scalar_chain::make_vector_copies): This.
14482         (scalar_chain::convert_reg): Renamed to ...
14483         (dimode_scalar_chain::convert_reg ): This.
14484         (scalar_chain::convert_op): Renamed to ...
14485         (dimode_scalar_chain::convert_op): This.
14486         (scalar_chain::convert_insn): Renamed to ...
14487         (dimode_scalar_chain::convert_insn): This.
14488         (scalar_chain::convert): Call convert_registers.
14489         (convert_scalars_to_vector): Change to scalar_chain pointer to
14490         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
14491         in 32-bit mode.  Delete scalar_chain pointer.  Call
14492         free_dominance_info in 64-bit mode.
14493         (pass_stv::gate): Remove TARGET_64BIT check.
14494         (ix86_option_override): Put the 64-bit STV pass before the CSE
14495         pass.
14497 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
14499         * dwarf2out.h (struct dw_loc_descr_node): Remove the
14500         dw_loc_frame_offset field.
14501         * dwarf2out.c (new_loc_descr): Likewise.
14502         (resolve_args_picking_1): Turn the VISITED hash set into a
14503         FRAME_OFFSET hash map. Use it to associate a frame offset to
14504         visited nodes. Remove uses of the CHECKING_P macro.
14505         (resolve_args_picking): Update call to resolve_args_picking_1.
14507 2016-04-27  Martin Liska  <mliska@suse.cz>
14509         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
14510         (free_loop_data): Release vuses of groups.
14512 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
14514         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
14515         instead of redundant use_id and boolean have_use_for.
14516         (struct iv_use): Change sub_id into group_id.  Remove field next.
14517         Move fields: related_cands, n_map_members, cost_map and selected
14518         to ...
14519         (struct iv_group): ... here.  New structure.
14520         (struct iv_common_cand): Use structure declaration directly.
14521         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
14522         (MAX_CONSIDERED_USES): Rename macro to ...
14523         (MAX_CONSIDERED_GROUPS): ... here.
14524         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
14525         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
14526         (dump_uses): Rename to ...
14527         (dump_groups): ... here.  Update all uses.
14528         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
14529         (find_induction_variables): Refactor format of dump information.
14530         (record_sub_use): Delete.
14531         (record_use): Update all uses.
14532         (record_group): New function.
14533         (record_group_use, find_interesting_uses_op): Call above functions.
14534         Update all uses.
14535         (find_interesting_uses_cond): Ditto.
14536         (group_compare_offset): New function.
14537         (split_all_small_groups): Rename to ...
14538         (split_small_address_groups_p): ... here.  Update all uses.
14539         (split_address_groups):  Update all uses.
14540         (find_interesting_uses): Refactor format of dump information.
14541         (add_candidate_1): Update all uses.  Remove redundant check on iv,
14542         base and step.
14543         (add_candidate, record_common_cand): Remove redundant assert.
14544         (add_iv_candidate_for_biv): Update use.
14545         (add_iv_candidate_derived_from_uses): Update all uses.
14546         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
14547         (alloc_use_cost_map): Ditto.
14548         (set_use_iv_cost, get_use_iv_cost): Rename to ...
14549         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
14550         (determine_use_iv_cost_generic): Ditto.
14551         (determine_group_iv_cost_generic): Ditto.
14552         (determine_use_iv_cost_address): Ditto.
14553         (determine_group_iv_cost_address): Ditto.
14554         (determine_use_iv_cost_condition): Ditto.
14555         (determine_group_iv_cost_cond): Ditto.
14556         (determine_use_iv_cost): Ditto.
14557         (determine_group_iv_cost): Ditto.
14558         (set_autoinc_for_original_candidates): Update all uses.
14559         (find_iv_candidates): Update all uses.  Refactor dump information.
14560         (determine_use_iv_costs): Ditto.
14561         (determine_iv_costs): Ditto.
14562         (iv_ca_cand_for_use): Rename to ...
14563         (iv_ca_cand_for_group): ... here.  Update all uses.
14564         (iv_ca_add_use, iv_ca_add_group): Ditto.
14565         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
14566         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
14567         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
14568         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
14569         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
14570         (create_new_iv, adjust_iv_update_pos): Ditto.
14571         (rewrite_use_address): Delete.
14572         (rewrite_use_address_1): Rename to ...
14573         (rewrite_use_address): ... here.
14574         (rewrite_use_compare): Update all uses.
14575         (rewrite_use): Delete.
14576         (rewrite_uses): Rename to ...
14577         (rewrite_groups): ... here.  Update all uses.
14578         (remove_unused_ivs, free_loop_data): Update all uses.
14579         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
14581 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14583         * rtlanal.c (nonzero_bits1): Convert preprocessor check
14584         for WORD_REGISTER_OPERATIONS to runtime check.
14586 2016-04-27  Richard Biener  <rguenther@suse.de>
14588         PR ipa/70760
14589         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
14590         aggregate_value_p to determine if a function result is
14591         returned by reference.
14592         (ipa_pta_execute): Functions having their address taken are
14593         not automatically nonlocal.
14595 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
14597         PR sanitizer/70683
14598         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
14599         * fold-const.c (operand_equal_p): If flag_checking and
14600         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
14601         and if it returns non-zero, assert iterative_hash_expr on both
14602         args is the same.
14604 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
14606         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
14608 2016-04-27  Nick Clifton  <nickc@redhat.com>
14610         PR middle-end/49889
14611         * varasm.c (merge_weak): Generate an error if an attempt is made
14612         to convert a non-weak static function into a weak, public function.
14614 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
14616         * params.def (MAX_PARTITION_SIZE): New param.
14617         * doc/invoke.texi: Document lto-max-partition.
14619 2016-04-27  Richard Biener  <rguenther@suse.de>
14621         PR ipa/70785
14622         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
14623         function cummulating used_from_other_partition, externally_visible
14624         and force_output from aliases.
14625         (refered_from_nonlocal_var): Likewise.
14626         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
14627         node flags properly.
14629 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
14631         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
14632         (-Wmemset-elt-size): New item.
14634 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
14636         PR ada/70759
14637         * stor-layout.h (internal_reference_types): Delete.
14638         * stor-layout.c (reference_types_internal): Likewise.
14639         (internal_reference_types): Likewise.
14640         (layout_type) <REFERENCE_TYPE>: Adjust.
14642 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
14644         PR sanitizer/70683
14645         * tree.h (inchash::add_expr): Add FLAGS argument.
14646         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
14647         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
14648         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
14649         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
14650         if swap_tree_comparison (code) is smaller than code, hash that
14651         and arguments in the other order.  Hash CONVERT_EXPR the same
14652         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
14653         of ADDR_EXPR of decl as the decl itself.  Add or remove
14654         OEP_ADDRESS_OF from recursive flags as needed.  For
14655         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
14656         operands commutatively and only the third one normally.
14657         For internal CALL_EXPR hash in CALL_EXPR_IFN.
14659 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
14661         * config/rtems.h (LIB_SPEC): Add -latomic.
14663 2016-04-27  Joel Sherrill  <joel@rtems.org>
14665         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
14666         xilink.ld and flags not relevant to RTEMS.
14668 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
14670         * toplev.c (backend_init_target): Avoid calling init_reload when using
14671         LRA.
14673 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
14675         * reorg.c (try_merge_delay_insns): Declare i and j inside the
14676         for loops rather than one for the whole function.
14678 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
14680         * match.pd (X + CST CMP X): New transformation.
14682 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
14684         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
14685         * fold-const.c (fold_binary_loc): Remove 2 transformations
14686         superseded by match.pd.
14687         * match.pd (x+x -> x*2): Generalize to integers.
14689 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
14691         * config/i386/i386.md (operation on memory peephole): Duplicate an
14692         existing peephole and adapt it to match lea rather than an operation
14693         that clobbers CC.
14695         PR rtl-optimization/57193
14696         * opts.c (default_options_table): Add OPT_frename_registers at -O2
14697         and above.
14698         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
14700 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
14702         * tree-if-conv.c (any_pred_load_store): New static variable.
14703         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
14704         any_pred_load_store instead of and_mask_load_store.
14705         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
14706         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
14707         (combine_blocks, tree_if_conversion): Ditto.
14709 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
14711         PR tree-optimization/70771
14712         PR tree-optimization/70775
14713         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
14714         virtual PHI nodes.  Delete parameter.
14715         (if_convertible_loop_p_1): Delete argument to above function.
14716         (predicate_all_scalar_phis): Delete code handling single-argument
14717         PHIs.
14718         (tree_if_conversion): Mark and update virtual SSA.
14720 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14722         PR target/61821
14723         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
14724         (x86_elf_aligned_common): Rename to ...
14725         (x86_elf_aligned_decl_common): ... this.
14726         Add decl arg.  Switch to .lbss for largecomm object.  Use
14727         LARGECOMM_SECTION_ASM_OP.
14728         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
14729         renaming.
14730         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
14731         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
14732         Pass new decl arg.
14733         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
14734         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
14736 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14738         PR target/59407
14739         * config/i386/i386.c (SECTION_LARGE): Define.
14740         (x86_64_elf_select_section): Set it for large data/bss sections.
14741         Only clear SECTION_WRITE for .lrodata.
14742         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
14743         data/bss sections.
14744         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
14745         * varasm.c (default_elf_asm_named_section): Grow flagchars.
14746         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
14747         SECTION_MACH_DEP.
14748         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
14749         * doc/tm.texi: Regenerate.
14751 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
14753         PR bootstrap/70704
14754         * configure.ac (--enable-checking): Document extra flag, for
14755         non-release builds default to --enable-checking=yes,extra.
14756         If misc checking and extra checking, define CHECKING_P to 2 instead
14757         of 1.
14758         * common.opt (fchecking=): Add.
14759         * doc/invoke.texi (-fchecking=): Document.
14760         * doc/install.texi: Document --enable-checking changes.
14761         * configure: Regenerated.
14762         * config.in: Regenerated.
14764 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
14766         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
14767         attribute instead of which_alternative.
14768         * config/i386/sse.md (*mov<mode>_internal): Ditto.
14769         Use EXT_REX_SSE_REG_P where appropriate.
14771 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
14773         * config/i386/predicates.md (const0_operand): Do not match
14774         const_wide_int code.
14775         (const1_operand): Ditto.
14777 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
14779         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
14780         for SSE constm1 operands and TARGET_AVX512VL.
14781         (*movti_internal): Ditto.
14782         (*mov<mode>_or): Use constm1_operand predicate.
14783         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
14784         for SSE vector_all_ones operands and TARGET_AVX512VL.
14785         * config/i386/predicates.md (constm1_operand): New predicate.
14786         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
14787         emission of constant -1 load.
14789 2016-04-25  Jason Merrill  <jason@redhat.com>
14791         * gdbinit.in: Skip is-a.h.
14793         * attribs.c (register_scoped_attributes): Fix logic.
14794         * attribs.h: Declare register_scoped_attributes.
14796 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14798         * config/rs6000/rs6000-builtin.def: Correct pasto error for
14799         stxvd2x and stxvw4x built-in functions.
14801 2016-04-25  DJ Delorie  <dj@redhat.com>
14803         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
14804         (ashrhi3): Likewise.
14805         (lshrhi3): Likewise.
14807 2016-04-25  Richard Biener  <rguenther@suse.de>
14809         PR tree-optimization/70780
14810         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
14811         wasn't visited yet.
14812         (compute_antic): Mark blocks with abnormal preds as visited as
14813         they have a final empty antic-in solution already.
14815 2016-04-25  Michael Collison  <michael.collison@linaro.org>
14817         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
14819 2016-04-25  Michael Collison  <michael.collison@linaro.org>
14821         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
14822         mode is VQI to improve mixed mode vectorization.
14823         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
14824         define_insn to match low half of signed vaddw.
14825         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
14826         define_insn to match high half of signed vaddw.
14827         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
14828         define_insn to match low half of unsigned vaddw.
14829         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
14830         define_insn to match high half of unsigned vaddw.
14831         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
14832         (arm_simd_check_vect_par_cnst_half_p): Likewise.
14833         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
14834         for new function.
14835         (arm_simd_check_vect_par_cnst_half_p): Likewise.
14836         * config/arm/predicates.md (vect_par_constant_high): Support
14837         big endian and simplify by calling
14838         arm_simd_check_vect_par_cnst_half
14839         (vect_par_constant_low): Likewise.
14841 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
14843         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
14844         predicate for operand 2.
14846 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
14847             H.J. Lu  <hongjiu.lu@intel.com>
14849         * config/i386/i386-protos.h (standard_sse_constant_p): Add
14850         machine_mode argument.
14851         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
14852         constm1_rtx operands.  For VOIDmode constants, get mode from
14853         pred_mode.  Check mode size if the mode is supported by ABI.
14854         (standard_sse_constant_opcode): Do not use standard_constant_p.
14855         Strictly check ABI support for all-ones operands.
14856         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
14857         immediates. Update calls to standard_sse_constant_p.
14858         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
14859         (ix86_rtx_costs): Ditto.
14860         * config/i386/i386.md (*movxi_internal_avx512f): Use
14861         nonimmediate_or_sse_const_operand instead of vector_move_operand.
14862         Use (v,BC) alternative instead of (v,C). Use register_operand
14863         checks instead of MEM_P.
14864         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
14865         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
14866         isa attribute.  Use register_operand checks instead of MEM_P.
14867         (*movti_internal): Use nonimmediate_or_sse_const_operand for
14868         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
14869         alternative and corresponding sse2 isa attribute.
14870         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
14871         to standard_sse_constant_p.
14872         (FP constant splitters): Ditto.
14873         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
14874         (C): Ditto.
14875         * config/i386/predicates.md (constm1_operand): Remove.
14876         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
14877         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
14878         vector_all_ones_operand instead of constm1_operand.
14880 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14882         * print-rtl.c (print_rtx_insn_vec): New function.
14883         * print-rtl.h: New prototype.
14884         * store-motion.c (struct st_expr): Make avail_stores a vector.
14885         (st_expr_entry): Adjust.
14886         (free_st_expr_entry): Likewise.
14887         (print_store_motion_mems): Likewise.
14888         (find_moveable_store): Likewise.
14889         (compute_store_table): Likewise.
14890         (delete_store): Likewise.
14891         (build_store_vectors): Likewise.
14893 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14895         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
14897 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14899         * vec.h (vec_safe_contains): New function.
14900         (vec::contains): Likewise.
14901         (vec::begin): Likewise.
14902         (vec::end): Likewise.
14904 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
14906         PR sanitizer/70712
14907         * cfgexpand.c (expand_stack_vars): Fix typo.
14909 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
14911         * system.h (list, map, set, vector): Include conditionally.
14912         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
14913         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
14914         * ipa-icf.c (INCLUDE_LIST): Define.
14915         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
14916         * config/sh/sh.c (INCLUDE_VECTOR): Define.
14917         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
14918         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
14919         * cp/logic.cc (INCLUDE_LIST): Define.
14920         * fortran/trans-common.c (INCLUDE_MAP): Define.
14922 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
14924         * auto-profile.c: Remove <string.h> include.
14925         * ipa-icf-gimple.c: Remove <list> include.
14926         * diagnostic.c: Remove <new> include.
14927         * genmatch.c: Likewise.
14928         * pretty-print.c: Likewise.
14929         * toplev.c: Likewise
14930         * c/c-objc-common.c: Likewise.
14931         * cp/error.c: Likewise.
14932         * fortran/error.c: Likewise.
14934 2016-04-22  Richard Biener  <rguenther@suse.de>
14936         * lto-streamer-in.c (input_ssa_names): Do not allocate
14937         GIMPLE_NOP for all SSA names.
14938         * lto-streamer-out.c (output_ssa_names): Do not output
14939         SSA names that should have been released.
14941 2016-04-22  Richard Biener  <rguenther@suse.de>
14943         PR tree-optimization/70740
14944         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
14945         VDEF.
14947 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
14949         PR target/70750
14950         * config/i386/predicates.md (call_insn_operand): Replace
14951         sibcall_memory_operand with memory_operand.
14953 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
14955         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
14956         has_single_use() tests.
14957         (register_edge_assert_for_1): Likewise.
14958         (find_assert_locations_1): Check the liveness bitmap instead of
14959         checking has_single_use().
14961 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
14963         PR target/70728
14964         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
14965         Extract AVX-512BW constraint from AVX.
14967 2016-04-21  Richard Biener  <rguenther@suse.de>
14969         PR tree-optimization/70725
14970         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
14971         for phi_convertible_by_degenerating_args.
14972         (predicate_all_scalar_phis): Handle single-argument PHIs.
14974 2016-04-21  Richard Biener  <rguenther@suse.de>
14976         PR middle-end/70747
14977         * fold-const.c (fold_comparison): Return properly typed
14978         constant boolean.
14980 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
14982         PR tree-optimization/70715
14983         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
14984         after expanding BASE using expand_simple_operations.
14986 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
14988         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
14989         New transformations.
14991 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
14993         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
14995 2016-04-20  Jan Hubicka  <jh@suse.cz>
14997         * ipa-inline.c (can_inline_edge_p): Pass caller info to
14998         ultiimate_alias_target.
14999         (update_callee_keys): Likewise.
15000         (lookup_recursive_calls): Likewise.
15001         (speculation_useful_p): Likewise.
15003 2016-04-20  Jan Hubicka  <jh@suse.cz>
15005         PR ipa/70018
15006         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
15007         (set_nothrow_flag_1): ... this; handle interposition correctly;
15008         recurse on aliases and thunks.
15009         (cgraph_node::set_nothrow_flag): New.
15010         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
15011         functions compiled with non-call exceptions that binds to current
15012         def.
15013         (propagate_nothrow): Be safe WRT interposition.
15014         * cgraph.h (set_nothrow_flag): Update prototype.
15016 2016-04-18  Jan Hubicka  <jh@suse.cz>
15018         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
15019         max_loop_iterations_int.
15020         (tree_unswitch_outer_loop): Likewise.
15022 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
15024         PR tree-optimization/69489
15025         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
15026         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
15027         Revise dump message.
15028         (if_convertible_bb_p): Remove check on edge count of basic block's
15029         predecessors.
15031 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
15033         PR tree-optimization/56625
15034         PR tree-optimization/69489
15035         * tree-data-ref.h (DR_INNERMOST): New macro.
15036         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
15037         hashing struct innermost_loop_behavior.
15038         (ref_DR_map): Remove.
15039         (innermost_DR_map): New map.
15040         (baseref_DR_map): Revise comment.
15041         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
15042         to innermost_DR_map accroding to its innermost loop behavior.
15043         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
15044         to its innermost loop behavior.
15045         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
15046         Add initialization for innermost_DR_map.  Record memory reference
15047         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
15048         have innermost loop behavior.
15049         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
15050         innermost_DR_map.
15052 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
15054         * config/i386/i386.md (*lea<mode>_general_1): Rename from
15055         *lea_general_1.  Use explicit SWI12 mode interator.
15056         (*lea<mode>_general_2): Rename from *lea_general_2.
15057         Use explicit SWI12 mode interator.
15058         (*lea<mode>_general_3): Rename from *lea_general_3.
15059         Use explicit SWI12 mode interator.
15060         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
15061         Use explicit SWI12 mode interator.
15062         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
15063         Use explicit SWI48 mode interator.
15065 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
15067         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
15068         Short-cut unaligned load and store cases.  Handle all integer
15069         vector modes.
15070         (ix86_expand_vector_move_misalign): Short-cut unaligned load
15071         and store cases.  Call ix86_avx256_split_vector_move_misalign
15072         directly without checking mode class.
15074 2016-04-20  Andrew Pinski  <apinski@cavium.com>
15075             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15077         PR target/64971
15078         * config/aarch64/aarch64.md (sibcall): Force call
15079         address to be DImode for ILP32.
15080         (sibcall_value): Likewise.
15082 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
15084         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
15086 2016-04-20  Richard Biener  <rguenther@suse.de>
15088         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
15089         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
15090         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
15091         (maybe_push_res_to_seq): Adjust.
15092         * gimple-fold.c (maybe_build_generic_op): Likewise.
15094 2016-04-20  Marek Polacek  <polacek@redhat.com>
15096         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
15097         rather than true.
15099 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
15101         * config/i386/sse.md (vec_unpacks_lo_hi): Always
15102         use kmovw to support AVX512F target.
15104 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
15106         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
15108 2016-04-20  Marek Polacek  <polacek@redhat.com>
15110         PR tree-optimization/70725
15111         * tree-if-conv.c (is_false_predicate): New function.
15112         (predicate_mem_writes): Use it.
15114 2016-04-20  Richard Biener  <rguenther@suse.de>
15116         PR tree-optimization/70726
15117         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
15118         shift amounts from a pattern stmt operand.
15120 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15122         PR target/70674
15123         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
15124         stack_restore_from_fpr pattern when restoring r15.
15125         (s390_optimize_prologue): Strip away the memory barrier in the
15126         parallel when trying to get rid of restore insns.
15127         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
15128         definition for loading the stack pointer from an FPR.  Compared to
15129         the normal move insn this pattern includes a full memory barrier.
15131 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
15133         PR middle-end/70680
15134         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
15135         implicitly linear or lastprivate iterator on the outer context.
15137 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
15139         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
15140         alignment check.
15141         * config/i386/i386.md (ssememalign): Removed.
15142         * config/i386/sse.md: Remove ssememalign attribute from patterns.
15144 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
15146         PR target/69201
15147         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
15148         const short * to __builtin_ia32_loaddquhi512_mask.
15149         (_mm512_maskz_loadu_epi16): Likewise.
15150         (_mm512_mask_storeu_epi16): Pass short * to
15151         __builtin_ia32_storedquhi512_mask.
15152         (_mm512_mask_loadu_epi8): Pass const char * to
15153         __builtin_ia32_loaddquqi512_mask.
15154         (_mm512_maskz_loadu_epi8): Likewise.
15155         (_mm512_mask_storeu_epi8): Pass char * to
15156         __builtin_ia32_storedquqi512_mask.
15157         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
15158         const double * to __builtin_ia32_loadupd512_mask.
15159         (_mm512_mask_loadu_pd): Likewise.
15160         (_mm512_maskz_loadu_pd): Likewise.
15161         (_mm512_storeu_pd): Pass double * to
15162         __builtin_ia32_storeupd512_mask.
15163         (_mm512_mask_storeu_pd): Likewise.
15164         (_mm512_loadu_ps): Pass const float * to
15165         __builtin_ia32_loadups512_mask.
15166         (_mm512_mask_loadu_ps): Likewise.
15167         (_mm512_maskz_loadu_ps): Likewise.
15168         (_mm512_storeu_ps): Pass float * to
15169         __builtin_ia32_storeups512_mask.
15170         (_mm512_mask_storeu_ps): Likewise.
15171         (_mm512_mask_loadu_epi64): Pass const long long * to
15172         __builtin_ia32_loaddqudi512_mask.
15173         (_mm512_maskz_loadu_epi64): Likewise.
15174         (_mm512_mask_storeu_epi64): Pass long long *
15175         to __builtin_ia32_storedqudi512_mask.
15176         (_mm512_loadu_si512): Pass const int * to
15177         __builtin_ia32_loaddqusi512_mask.
15178         (_mm512_mask_loadu_epi32): Likewise.
15179         (_mm512_maskz_loadu_epi32): Likewise.
15180         (_mm512_storeu_si512): Pass int * to
15181         __builtin_ia32_storedqusi512_mask.
15182         (_mm512_mask_storeu_epi32): Likewise.
15183         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
15184         char * to __builtin_ia32_storedquqi256_mask.
15185         (_mm_mask_storeu_epi8): Likewise.
15186         (_mm256_mask_loadu_epi16): Pass const short * to
15187         __builtin_ia32_loaddquhi256_mask.
15188         (_mm256_maskz_loadu_epi16): Likewise.
15189         (_mm_mask_loadu_epi16): Pass const short * to
15190         __builtin_ia32_loaddquhi128_mask.
15191         (_mm_maskz_loadu_epi16): Likewise.
15192         (_mm256_mask_loadu_epi8): Pass const char * to
15193         __builtin_ia32_loaddquqi256_mask.
15194         (_mm256_maskz_loadu_epi8): Likewise.
15195         (_mm_mask_loadu_epi8): Pass const char * to
15196         __builtin_ia32_loaddquqi128_mask.
15197         (_mm_maskz_loadu_epi8): Likewise.
15198         (_mm256_mask_storeu_epi16): Pass short * to.
15199         __builtin_ia32_storedquhi256_mask.
15200         (_mm_mask_storeu_epi16): Pass short * to.
15201         __builtin_ia32_storedquhi128_mask.
15202         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
15203         const double * to __builtin_ia32_loadupd256_mask.
15204         (_mm256_maskz_loadu_pd): Likewise.
15205         (_mm_mask_loadu_pd): Pass onst double * to
15206         __builtin_ia32_loadupd128_mask.
15207         (_mm_maskz_loadu_pd): Likewise.
15208         (_mm256_mask_storeu_pd): Pass double * to
15209         __builtin_ia32_storeupd256_mask.
15210         (_mm_mask_storeu_pd): Pass double * to
15211         __builtin_ia32_storeupd128_mask.
15212         (_mm256_mask_loadu_ps): Pass const float * to
15213         __builtin_ia32_loadups256_mask.
15214         (_mm256_maskz_loadu_ps): Likewise.
15215         (_mm_mask_loadu_ps): Pass const float * to
15216         __builtin_ia32_loadups128_mask.
15217         (_mm_maskz_loadu_ps): Likewise.
15218         (_mm256_mask_storeu_ps): Pass float * to
15219         __builtin_ia32_storeups256_mask.
15220         (_mm_mask_storeu_ps): ass float * to
15221         __builtin_ia32_storeups128_mask.
15222         (_mm256_mask_loadu_epi64): Pass const long long * to
15223         __builtin_ia32_loaddqudi256_mask.
15224         (_mm256_maskz_loadu_epi64): Likewise.
15225         (_mm_mask_loadu_epi64): Pass const long long * to
15226         __builtin_ia32_loaddqudi128_mask.
15227         (_mm_maskz_loadu_epi64): Likewise.
15228         (_mm256_mask_storeu_epi64): Pass long long * to
15229         __builtin_ia32_storedqudi256_mask.
15230         (_mm_mask_storeu_epi64): Pass long long * to
15231         __builtin_ia32_storedqudi128_mask.
15232         (_mm256_mask_loadu_epi32): Pass const int * to
15233         __builtin_ia32_loaddqusi256_mask.
15234         (_mm256_maskz_loadu_epi32): Likewise.
15235         (_mm_mask_loadu_epi32): Pass const int * to
15236         __builtin_ia32_loaddqusi128_mask.
15237         (_mm_maskz_loadu_epi32): Likewise.
15238         (_mm256_mask_storeu_epi32): Pass int * to
15239         __builtin_ia32_storedqusi256_mask.
15240         (_mm_mask_storeu_epi32): Pass int * to
15241         __builtin_ia32_storedqusi128_mask.
15242         * config/i386/i386-builtin-types.def (PCSHORT): New.
15243         (PINT64): Likewise.
15244         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
15245         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
15246         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
15247         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
15248         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
15249         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
15250         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
15251         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
15252         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
15253         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
15254         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
15255         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
15256         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
15257         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
15258         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
15259         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
15260         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
15261         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
15262         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
15263         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
15264         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
15265         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
15266         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
15267         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
15268         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
15269         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
15270         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
15271         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
15272         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
15273         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
15274         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
15275         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
15276         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
15277         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
15278         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
15279         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
15280         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
15281         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
15282         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
15283         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
15284         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
15285         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
15286         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
15287         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
15288         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
15289         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
15290         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
15291         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
15292         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
15293         use UNSPEC_STOREU.
15294         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
15295         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
15296         load nor store.
15297         (ix86_expand_vector_move_misalign): Likewise.
15298         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
15299         to scalar function prototype for unaligned load/store builtins.
15300         (ix86_expand_special_args_builtin): Updated.
15301         * config/i386/sse.md (UNSPEC_LOADU): Removed.
15302         (UNSPEC_STOREU): Likewise.
15303         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
15304         (VI_ULOADSTORE_F_AVX512VL): Likewise.
15305         (ssescalarsize): Handle V4TI, V2TI and V1TI.
15306         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
15307         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
15308         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
15309         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
15310         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
15311         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
15312         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
15313         (<avx512>_storedqu<mode>_mask): Likewise.
15314         (*sse4_2_pcmpestr_unaligned): Likewise.
15315         (*sse4_2_pcmpistr_unaligned): Likewise.
15316         (*mov<mode>_internal): Renamed to ...
15317         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
15318         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
15319         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
15320         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
15322 2016-04-19  Richard Biener  <rguenther@suse.de>
15324         PR tree-optimization/70171
15325         * tree-ssa-phiprop.c: Include stor-layout.h.
15326         (phiprop_insert_phi): Handle the aggregate copy case.
15327         (propagate_with_phi): Likewise.
15329 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
15331         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
15332         instead of simplify_gen_subreg (... , 0).
15333         (ix86_delegitimize_address): Ditto.
15334         (ix86_split_divmod): Ditto.
15335         (ix86_split_copysign_const): Ditto.
15336         (ix86_split_copysign_var): Ditto.
15337         (ix86_expand_args_builtin): Ditto.
15338         (ix86_expand_round_builtin): Ditto.
15339         (ix86_expand_special_args_builtin): Ditto.
15340         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
15341         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
15342         (udivmodqi4): Ditto.
15343         (absneg splitters): Ditto.
15344         (*jcc_bt<mode>_1): Ditto.
15346 2016-04-19  Richard Biener  <rguenther@suse.de>
15348         PR tree-optimization/70724
15349         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
15350         restoring out from ...
15351         (free_scc_vn): ... here.
15352         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
15353         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
15354         tail merging.
15355         (pass_fre::execute): Restore SSA info.
15357 2016-04-19  Richard Biener  <rguenther@suse.de>
15359         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
15360         * gimple-walk.c (walk_gimple_op): Initialize it.
15361         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
15362         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
15363         remapping SSA names of defs.
15364         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
15365         adjustment.
15367 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
15369         PR middle-end/70689
15370         * lra-constraints.c (equiv_substition_p): New.
15371         (process_alt_operands): Use it.
15372         (swap_operands): Swap it.
15373         (curr_insn_transform): Update it.
15375 2016-04-18  Michael Matz  <matz@suse.de>
15377         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
15378         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
15379         * tree-core.h (tree_type_common.align): Use bit-field.
15380         (tree_type_common.spare): New.
15381         (tree_decl_common.off_align): Make smaller.
15382         (tree_decl_common.align): Use bit-field.
15384         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
15385         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
15386         (scan_sharing_clauses): Ditto.
15387         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
15388         (omp_finish_file): Ditto.
15389         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
15390         (layout_decl): Ditto.
15391         (relayout_decl): Ditto.
15392         (finalize_record_size): Use SET_TYPE_ALIGN.
15393         (finalize_type_size): Ditto.
15394         (finish_builtin_struct): Ditto.
15395         (layout_type): Ditto.
15396         (initialize_sizetypes): Ditto.
15397         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
15398         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
15399         (lookup_field_for_decl): Use SET_DECL_ALIGN.
15400         (get_chain_field): Ditto.
15401         (get_trampoline_type): Ditto.
15402         (get_nl_goto_field): Ditto.
15403         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
15404         SET_DECL_ALIGN.
15405         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
15406         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
15407         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
15408         (build_qualified_type): Use SET_TYPE_ALIGN.
15409         (build_aligned_type, build_range_type_1): Ditto.
15410         (build_atomic_base): Ditto.
15411         (build_common_tree_nodes): Ditto.
15412         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
15413         (expand_one_stack_var_at): Ditto.
15414         * coverage.c (build_var): Use SET_DECL_ALIGN.
15415         * except.c (init_eh): Ditto.
15416         * function.c (assign_parm_setup_block): Ditto.
15417         * symtab.c (increase_alignment_1): Ditto.
15418         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
15419         * tree-vect-stmts.c (ensure_base_align): Ditto.
15420         * varasm.c (align_variable): Ditto.
15421         (assemble_variable): Ditto.
15422         (build_constant_desc): Ditto.
15423         (output_constant_def_contents): Ditto.
15425         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
15426         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
15427         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
15428         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
15429         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
15431 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
15433         PR target/70708
15434         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
15435         replace %vmovsd with "%vmovq".
15436         (vec_concatv2df): Likewise.
15438 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
15440         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
15441         (*vec_extractv2si_0): Ditto.
15442         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
15443         (zero_extended_scalar_load_operand splitters): Ditto.
15444         (vec_extract splitters): Ditto.
15445         (*vec_extractv4si_0_zext): Ditto.
15446         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
15447         and lowpart_subreg.
15448         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
15449         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
15450         (*sse4_1_extractps): Use lowpart_subreg.
15451         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
15453 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15455         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
15456         gld requirements.
15457         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
15458         Mention Solaris 11 packaging changes.
15459         Update gas and gld requirements.
15460         Remove reference to pre-Solaris 10 bug.
15461         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
15462         systems and bugs.
15463         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
15464         with cc.
15466 2016-04-17  Jan Hubicka  <jh@suse.cz>
15468         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
15469         max_loop_iterations_int.
15471 2016-04-18  Richard Biener  <rguenther@suse.de>
15473         PR tree-optimization/43434
15474         * tree-ssa-structalias.c (struct vls_data): New.
15475         (visit_loadstore): Handle all pointer-based accesses.
15476         (compute_dependence_clique): Compute a bitmap of restrict tags
15477         assigned bases and pass it to visit_loadstore.
15479 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
15481         PR target/70711
15482         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
15483         armv8.1-a and armv8.1-a+crc.
15485 2016-04-18  Richard Biener  <rguenther@suse.de>
15487         PR tree-optimization/70701
15488         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
15489         references after translating through a memcpy.
15491 2016-04-18  Richard Biener  <rguenther@suse.de>
15493         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
15494         (compute_antic): ... here.  For partial antic use regular
15495         postorder and scrap iteration.
15496         (compute_partial_antic_aux): Remove unused return value.
15497         (init_pre): Do not allocate postorder.
15498         (fini_pre): Do not free postorder.
15500 2016-04-18  Richard Biener  <rguenther@suse.de>
15502         PR middle-end/37870
15503         * expmed.c (extract_bit_field_1): Remove broken case
15504         using a wider MODE_INT mode.
15506 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
15508         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
15509         unless compiling with at least GCC-4.8.
15511 2016-04-17  Jan Hubicka  <jh@suse.cz>
15513         PR bootstrap/70706
15514         * graphite.c (graphite_finalize): Update call to
15515         tree_estimate_probability.
15516         * predict.h (tree_estimate_probability): Update prototype.
15518 2016-04-17  Jan Hubicka  <jh@suse.cz>
15520         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
15521         (tree_estimate_probability): Likewise.
15522         (pass_profile::execute): Update.
15523         (report_predictor_hitrates): New function.
15524         * profile.c (compute_branch_probabilities): Use it.
15525         * predict.h (report_predictor_hitrates): Declare.
15527 2016-04-17  Jan Hubicka  <jh@suse.cz>
15529         PR ipa/70018
15530         * cgraph.h (cgraph_node::set_const_flag,
15531         cgraph_node::set_pure_flag): Update prototype to return bool;
15532         update comment.
15533         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
15534         of interposable symbol are interposable, too.
15535         (cgraph_set_const_flag_1): Rename to ...
15536         (set_const_flag_1): ... this one; change to self recursive function
15537         instead of call_for_symbol_thunks_and_aliases. Handle correctly
15538         clearnig the flag in all variants and also virtual thunks of const
15539         functions are pure; track if any change was done.
15540         (cgraph_node::set_const_flag): Update.
15541         (struct set_pure_flag_info): New struct.
15542         (cgraph_set_pure_flag_1): Rename to ...
15543         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
15544         rather than pointer encoded flags; track if any changes was done;
15545         handle correctly clearning flag and setting flag of aliases already
15546         declared const.
15547         (cgraph_node::set_pure_flag): Update.
15548         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
15550 2016-04-17  Tom de Vries  <tom@codesourcery.com>
15552         PR other/70433
15553         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
15554         backslash in label.
15556 2016-04-17  Tom de Vries  <tom@codesourcery.com>
15558         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
15559         '{}<> ' as escape-for-record.
15561 2016-04-17  Tom de Vries  <tom@codesourcery.com>
15563         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
15564         structure.
15566 2016-04-17  Tom de Vries  <tom@codesourcery.com>
15568         PR other/70185
15569         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
15570         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
15571         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
15572         * passes.c (finish_optimization_passes): Only call
15573         finish_graph_dump_file if dfi->graph_dump_initialized.
15574         (execute_function_dump, pass_init_dump_file): Use
15575         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
15577 2016-04-17  Tom de Vries  <tom@codesourcery.com>
15579         PR tree-optimization/70256
15580         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
15581         (debug_varmap): New function.
15583 2016-04-17  Tom de Vries  <tom@codesourcery.com>
15585         PR other/70183
15586         * passes.c (pass_manager::register_pass): Propagate pflags.
15588 2016-04-17  Tom de Vries  <tom@codesourcery.com>
15590         PR other/68875
15591         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
15592         * passes.c (pass_manager::pass_manager): Declare and init p_start in
15593         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
15594         check if it's equal to p_start.
15595         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
15597 2016-04-15  Jan Hubicka  <jh@suse.cz>
15599         PR ipa/70018
15600         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
15601         function does not bind to current def.
15602         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
15603         handle conservatively calls to functions that does not need to bind
15604         to current def.
15605         (check_call): Update call of worse_state.
15606         (ignore_edge_for_nothrow): Update.
15607         (ignore_edge_for_pure_const): Likewise.
15608         (propagate_pure_const): Update calls to worse_state.
15609         (skip_function_for_local_pure_const): Reformat comments.
15611 2016-04-15  Jan Hubicka  <jh@suse.cz>
15613         PR ipa/70018
15614         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
15615         (cgraph_node::function_symbol): Likewise.
15616         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
15617         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
15618         (symtab_node::ultimate_alias_target): Add REF parameter.
15619         (symtab_node::binds_to_current_def_p): Declare.
15620         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
15621         (cgraph_node::function_symbol): Likewise.
15622         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
15623         (cgraph_node::get_availability): Likewise.
15624         (cgraph_edge::binds_to_current_def_p): New inline function.
15625         (varpool_node::get_availability): Add REF parameter.
15626         (varpool_node::ultimate_alias_target): Likewise.
15627         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
15628         (symtab_node::binds_to_current_def_p): Likewise.
15629         * varpool.c (varpool_node::get_availability): Likewise.
15631 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
15633         PR target/70662
15634         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
15635         Fix mode size check.
15637 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
15639         * BASE-VER: Set to 7.0.0.
15641 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
15643         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
15645 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15647         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
15648         architecture revisions.
15650 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
15652         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
15653         * config/i386/i386.c (ix86_using_red_zone): No longer static.
15654         * config/i386/i386.md (stack decrement to push peepholes): Guard
15655         with !x86_using_red_zone ().
15657 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
15659         PR c++/70675
15660         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
15661         to dump_generic_node.
15662         (NIY): Pass also flags to do_niy.
15664 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
15666         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
15667         (simd_clone_vector_of_formal_parm_types)
15668         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
15669         (simd_clone_mangle, simd_clone_create)
15670         (simd_clone_adjust_return_type, create_tmp_simd_array)
15671         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
15672         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
15673         (ipa_simd_modify_function_body, simd_clone_linear_addend)
15674         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
15675         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
15676         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
15677         * omp-simd-clone.c: ... this new file.
15678         (simd_clone_vector_of_formal_parm_types): Make it static.
15679         * Makefile.in (OBJS): Add omp-simd-clone.o.
15681 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
15683         PR target/70662
15684         * config/i386/sse.md: Use proper memory operand modifiers.
15687 2016-04-15  Richard Biener  <rguenther@suse.de>
15688         Alan Modra  <amodra@gmail.com>
15690         PR tree-optimization/70130
15691         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
15692         when alignment stays not the same and no not use the realign
15693         scheme then.
15695 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15697         PR target/70669
15698         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
15699         direct move handlers for KFmode. Change TFmode handlers test from
15700         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
15702 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
15704         PR c++/70594
15705         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
15706         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
15707         (inlined_polymorphic_ctor_dtor_block_p): Use it.
15708         * tree-ssa-live.c (remove_unused_scope_block_p): When
15709         in_ctor_dtor_block, avoid discarding not just BLOCKs with
15710         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
15711         block_ultimate_origin is FUNCTION_DECL.
15712         (remove_unused_locals): If current_function_decl is
15713         polymorphic_ctor_dtor_p, pass initial true to
15714         remove_unused_scope_block_p' is_ctor_dtor_block.
15716 2016-04-14  Martin Sebor  <msebor@redhat.com>
15718         PR c++/69517
15719         PR c++/70019
15720         PR c++/70588
15721         * doc/extend.texi (Variable Length): Revert.
15723 2016-04-14  Marek Polacek  <polacek@redhat.com>
15724             Jan Hubicka  <hubicka@ucw.cz>
15726         PR c++/70029
15727         * tree.c (verify_type): Disable the canonical type of main variant
15728         check.
15730 2016-04-14  Jason Merrill  <jason@redhat.com>
15732         * cfgexpand.c, expr.c: Revert previous change.
15734 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
15736         PR middle-end/70643
15737         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
15738         when building a mem ref for the incoming reduction variable.
15740 2016-04-14  Richard Biener  <rguenther@suse.de>
15742         PR tree-optimization/70614
15743         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
15744         loop if the evolution dropped to chrec_dont_know.
15745         (interpret_condition_phi): Likewise.
15747 2016-04-14  Richard Biener  <rguenther@suse.de>
15749         PR tree-optimization/70623
15750         * tree-ssa-pre.c (changed_blocks): Make global ...
15751         (compute_antic): ... local here.  Move and fix worklist
15752         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
15753         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
15754         worklist handling, dump when ANTIC_IN changed.
15755         (compute_partial_antic_aux): Remove worklist handling.
15756         (init_pre): Do not compute post dominators.  Add a comment about
15757         the CFG order chosen.
15758         (fini_pre): Do not free post dominators.
15760 2016-04-13  Martin Sebor  <msebor@redhat.com>
15762         PR c++/69517
15763         PR c++/70019
15764         PR c++/70588
15765         * doc/extend.texi (Variable Length): Document C++ specifics.
15767 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
15769         PR c++/70641
15770         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
15771         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
15772         eh edges have been purged.
15774         PR c++/70594
15775         * tree-sra.c (create_access_replacement,
15776         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
15777         gets fancy name.
15778         * tree-pretty-print.c (dump_fancy_name): New function.
15779         (dump_decl_name, dump_generic_node): Use it.
15781 2016-04-13  Jason Merrill  <jason@redhat.com>
15783         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
15784         * expr.c (expand_expr_real_1): Likewise.
15786 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
15788         * config/i386/i386.md (kunpckhi): Swap operands.
15789         (kunpcksi): Likewise.
15790         (kunpckdi): Likewise.
15791         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
15792         (vec_pack_trunc_<mode>): Likewise.
15794 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
15796         PR debug/70628
15797         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
15799         PR middle-end/70633
15800         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
15801         gimplification turns some element into non-constant.
15803         PR debug/70628
15804         * rtl.h (convert_memory_address_addr_space_1): New prototype.
15805         * explow.c (convert_memory_address_addr_space_1): No longer static,
15806         add NO_EMIT argument and don't call convert_modes if true, pass
15807         it down recursively, remove break after return.
15808         (convert_memory_address_addr_space): Adjust caller.
15809         * simplify-rtx.c (simplify_unary_operation_1): Call
15810         convert_memory_address_addr_space_1 instead of convert_memory_address,
15811         if it returns NULL, don't simplify.
15813 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
15815         PR target/70630
15816         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
15818 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
15820         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
15821         Bump the upper SIMDLEN limits, so that if the return type or
15822         characteristic type if the return type is void can be passed in
15823         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
15824         allowed.
15826 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
15828         PR target/70640
15829         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
15830         Do not use "=" constraint on an input constraint.
15831         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
15832         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
15833         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
15834         generates (neg (abs ...)) instead of (abs ...).
15836 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
15838         PR rtl-optimization/70596
15839         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
15840         just invalidate LRA data and reset them.  Adjust dump wording.
15842 2016-04-12  Martin Liska  <mliska@suse.cz>
15844         Revert
15845         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
15847         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
15848         estimates here.
15849         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
15850         max_loop_iterations_int.
15851         (tree_unswitch_outer_loop): Likewise.
15852         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
15853         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
15855 2016-04-12  Tom de Vries  <tom@codesourcery.com>
15857         PR tree-optimization/68756
15858         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
15859         instead of new_name.
15861 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
15863         PR tree-optimization/70602
15864         * tree-sra.c (generate_subtree_copies): Don't write anything into
15865         constant pool decls.
15867         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
15868         regardless whether there are depend clauses or not.
15870 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
15872         PR target/70381
15873         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
15874         target attribute and pragma from changing the -mfloat128
15875         and -mfloat128-hardware options.
15877         * doc/extend.texi (Additional Floating Types): Document PowerPC
15878         __float128 restrictions.
15880 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
15882         PR target/70133
15883         * config/aarch64/driver-aarch64.c
15884         (aarch64_get_extension_string_for_isa_flags): New.
15885         (arch_extension): Rename to...
15886         (aarch64_arch_extension): ...This.
15887         (ext_to_feat_string): Rename to...
15888         (aarch64_extensions): ...This.
15889         (aarch64_core_data): Keep track of architecture extension flags.
15890         (cpu_data): Rename to...
15891         (aarch64_cpu_data): ...This.
15892         (aarch64_arch_driver_info): Keep track of architecture extension
15893         flags.
15894         (get_arch_name_from_id): Rename to...
15895         (get_arch_from_id): ...This, change return type.
15896         (host_detect_local_cpu): Update and reformat for renames, handle
15897         extensions through common infrastructure.
15899 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
15901         PR target/70133
15902         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
15903         track of a canonical flag name.
15904         (all_extensions): Likewise.
15905         (arch_to_arch_name): Also track extension flags enabled by the arch.
15906         (all_architectures): Likewise.
15907         (aarch64_parse_extension): Move to here.
15908         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
15909         rework.
15910         (aarch64_rewrite_selected_cpu): Update for above change.
15911         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
15912         are handled, such that the single explicit value enabled by an
15913         extension is kept seperate from the implicit values it also enables.
15914         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
15915         to here.
15916         (aarch64_parse_extension): New.
15917         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
15918         here to config/aarch64/aarch64-protos.h.
15919         (aarch64_parse_extension): Move from here to
15920         common/config/aarch64/aarch64-common.c.
15921         (aarch64_option_print): Update.
15922         (aarch64_declare_function_name): Likewise.
15923         (aarch64_start_file): Likewise.
15924         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
15925         the canonical flag for extensions.
15926         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
15927         flags.
15929 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
15931         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
15932         AARCH64_FL_CRC.
15934 2016-04-09  Tom de Vries  <tom@codesourcery.com>
15936         PR tree-optimization/68953
15937         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
15938         first to last subscript.
15940 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
15942         PR tree-optimization/70586
15943         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
15944         for any calls.
15946 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
15948         PR lto/70289
15949         PR ipa/70348
15950         PR tree-optimization/70373
15951         PR middle-end/70533
15952         PR middle-end/70534
15953         PR middle-end/70535
15954         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
15955         clauses for acc parallel reductions as necessary.  Error on those
15956         that are private.
15957         * omp-low.c (scan_sharing_clauses): Don't install variables which
15958         are used in acc parallel reductions.
15959         (lower_rec_input_clauses): Remove dead code.
15960         (lower_oacc_reductions): Add support for reference reductions.
15961         (lower_reduction_clauses): Remove dead code.
15962         (lower_omp_target): Don't remap variables appearing in acc parallel
15963         reductions.
15964         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
15966 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
15968         PR middle-end/70593
15969         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
15970         with multiple SSA_NAME defs, force the outputs other than first
15971         to be live before calling live_track_process_def on each output.
15973         PR rtl-optimization/70574
15974         * fwprop.c (forward_propagate_and_simplify): Don't add
15975         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
15976         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
15977         paradoxical subregs within *loc.
15979 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
15981         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
15982         -ftree-parallelize-loops={0,1}.
15983         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
15984         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
15985         * config/ia64/hpux.h (LIB_SPEC): Likewise.
15986         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
15987         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
15989 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
15991         PR sanitizer/70541
15992         * asan.c (instrument_derefs): If we get unknown location, extract it
15993         with EXPR_LOCATION.
15994         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
15996 2016-04-08  Tom de Vries  <tom@codesourcery.com>
15998         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
15999         implicit firstprivate clause.
16001 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16003         PR target/70566
16004         * config/arm/thumb2.md (tst + branch-> lsls + branch
16005         peephole below *orsi_not_shiftsi_si): Require that condition
16006         register is dead after the peephole.
16007         (second peephole after the above): Likewise.
16009 2016-04-08  Alan Modra  <amodra@gmail.com>
16011         PR target/70117
16012         * builtins.c (fold_builtin_classify): For IBM extended precision,
16013         look at just the high-order double to test for NaN.
16014         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
16015         test just the high double for Inf but both doubles for subnormal
16016         limit.
16018 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
16020         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
16021         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
16022         node->simdclone->mask_mode != VOIDmode masks.
16023         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
16024         earlier, use it instead of node->simdclone.
16025         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
16026         Set clonei->mask_mode.
16028 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
16030         PR c/70436
16031         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
16032         Pass it through to cp_parser_already_scoped_statement.
16033         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
16034         it through to cp_parser_statement.
16035         (cp_parser_statement): Pass IF_P through to
16036         cp_parser_iteration_statement.
16037         (cp_parser_pragma): Adjust call to
16038         cp_parser_iteration_statement.
16040 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
16042         PR c/70436
16043         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
16044         resolve a future -Wparentheses warning.
16045         * omp-low.c (scan_sharing_clauses): Likewise.
16046         * tree-parloops.c (eliminate_local_variables): Likewise.
16048 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
16050         PR rtl-optimization/70398
16051         * lra-constraints.c (process_address_1): Check zero scale and code
16052         for reloading with zero scale.
16054 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
16056         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
16057         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
16059 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
16061         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
16062         Add support for AVX512F clones, include them by default for
16063         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
16064         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
16065         up to 128.
16067         PR middle-end/70550
16068         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
16069         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
16070         firstprivate clauses.
16071         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
16072         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
16073         (lower_omp_target): Set TREE_NO_WARNING for
16074         non-addressable possibly uninitialized vars which are copied into
16075         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
16077 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
16079         * config/pa/predicates.md (integer_store_memory_operand): Accept
16080         REG+D operands with a large offset when reload_in_progress is true.
16081         (floating_point_store_memory_operand): Likewise.
16083 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
16085         PR c++/70336
16086         * match.pd (nested int casts): Limit to GIMPLE.
16088 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
16090         PR ipa/66223
16091         * ipa-devirt.c (maybe_record_node): Fix comment; use
16092         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
16094 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
16096         PR rtl-optimization/70542
16097         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
16098         if there are any uses other than insn or debug insns.
16100 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
16101             Jakub Jelinek  <jakub@redhat.com>
16103         PR tree-optimization/70509
16104         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
16105         Shift HOST_WIDE_INT_1U instead of 1.
16107 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
16109         PR tree-optimization/70509
16110         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
16111         of the vector base type for index.
16113 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
16115         PR target/70510
16116         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
16118 2016-04-05  Richard Biener  <rguenther@suse.de>
16120         PR tree-optimization/70526
16121         * tree-sra.c (build_ref_for_offset): Use prev_base to
16122         extract the alias pointer type.
16124 2016-04-05  Richard Biener  <rguenther@suse.de>
16126         * dse.c (struct store_info): Remove alias_set member.
16127         (struct read_info_type): Likewise.
16128         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
16129         spill_deleted, clear_alias_set_lookup): Remove.
16130         (get_group_info): Remove dead base == NULL_RTX case.
16131         (dse_step0): Remove initialization of removed variables.
16132         (delete_dead_store_insn): Reomve alias set dumping.
16133         (free_read_records): Remove alias_set handling.
16134         (canon_address): Remove alias_set_out parameter.
16135         (record_store): Remove spill_alias_set, it's always zero.
16136         (check_mem_read_rtx): Likewise.
16137         (dse_step2): Rename from ...
16138         (dse_step2_nospill): ... this.  Adjust.
16139         (scan_stores): Rename from ...
16140         (scan_stores_nospill): ... this.
16141         (scan_reads): Rename from ...
16142         (scan_reads_nospill): ... this.
16143         (scan_stores_spill, scan_reads_spill): Remove.
16144         (dse_step3_scan): Remove for_spills argument which is always false.
16145         (dse_step3): Likewise.
16146         (dse_step5): Rename from ...
16147         (dse_step5_nospill): ... this.  Remove alias_set handling.
16148         (rest_of_handle_dse): Adjust.
16150 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
16152         PR target/70525
16153         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
16154         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
16155         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
16156         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
16158 2016-04-05  Richard Biener  <rguenther@suse.de>
16160         PR middle-end/70499
16161         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
16162         non-register type temporaries into SSA.
16164 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
16166         PR ipa/66223
16167         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
16168         calls when sanitizing.
16169         (possible_polymorphic_call_target_p): Fix formatting.
16171 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16172             Jakub Jelinek  <jakub@redhat.com>
16174         PR middle-end/70457
16175         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
16176         to ensure a call statement is compatible with a built-in's
16177         prototype.
16178         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
16179         Likewise.
16181 2016-04-04  Richard Biener  <rguenther@suse.de>
16183         PR rtl-optimization/70484
16184         * rtl.h (canon_output_dependence): Declare.
16185         * alias.c (canon_output_dependence): New function.
16186         * dse.c (record_store): Use canon_output_dependence rather
16187         than canon_true_dependence.
16189 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
16191         PR ipa/68881
16192         * cgraph.h (symtab_node::copy_visibility_from): New function.
16193         * symtab.c (symtab_node::copy_visibility_from): New function.
16194         * ipa-visibility.c (optimize_weakref): New function.
16195         (function_and_variable_visibility): Use it.
16197 2016-04-04  Martin Liska  <mliska@suse.cz>
16199         PR hsa/70402
16200         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
16201         value that is really in range handled by SBR instruction.
16202         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
16203         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
16204         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
16206 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
16208         PR target/70416
16209         PR target/67391
16210         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
16211         set, but not for SP_REG operands.
16213 2016-04-02  Martin Sebor  <msebor@redhat.com>
16215         PR c++/67376
16216         * fold-const.c (maybe_nonzero_address): New function.
16217         (fold_comparison): Call it.  Fold equality and relational
16218         expressions involving null pointers.
16219         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
16221 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
16223         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
16224         the "Y" constraint (scalar FP 0.0 immediate).
16226         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
16227         Add the "const_double" to the list of operand constraints.
16229 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
16231         PR rtl-optimization/70467
16232         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
16233         If low word of the last operand is 0, just emit addition/subtraction
16234         for the high word.
16236 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16238         PR target/70404
16239         * config/s390/s390.c (s390_expand_insv): Check for everything
16240         constant instead of just VOIDmode stuff.
16242 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16244         PR target/70496
16245         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
16247 2016-04-01  Nathan Sidwell  <nathan@acm.org>
16249         * tree.def (TRY_CATCH_EXPR): Correct documentation.
16251 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
16253         PR rtl-optimization/70461
16254         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
16255         is necessary.
16257 2016-03-31  Martin Liska  <mliska@suse.cz>
16259         PR hsa/70399
16260         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
16261         a tree value or an immediate integer value to a buffer
16262         that is eventually copied to a BRIG section.
16263         (emit_immediate_operand): Call the function here.
16264         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
16265         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
16266         of class' fields that are removed.
16267         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
16268         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
16269         m_brig_repr_size fields.
16271 2016-03-31  Martin Liska  <mliska@suse.cz>
16273         PR hsa/70391
16274         * hsa-gen.c (hsa_function_representation::update_dominance): New
16275         function.
16276         (convert_addr_to_flat_segment): Likewise.
16277         (gen_hsa_memory_set): New alignment argument.
16278         (gen_hsa_ctor_assignment): Likewise.
16279         (gen_hsa_insns_for_single_assignment): Provide alignment
16280         to gen_hsa_ctor_assignment.
16281         (gen_hsa_insns_for_direct_call): Add new argument.
16282         (expand_lhs_of_string_op): New function.
16283         (expand_string_operation_builtin): Likewise.
16284         (expand_memory_copy): New function.
16285         (expand_memory_set): New function.
16286         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
16287         (convert_switch_statements): Change signature.
16288         (generate_hsa): Use a return value of the function.
16289         (pass_gen_hsail::execute): Do not call
16290         convert_switch_statements here.
16291         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
16292         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
16293         (hsa_function_representation::update_dominance): New function.
16295 2016-03-31  Martin Liska  <mliska@suse.cz>
16297         PR hsa/70391
16298         * hsa-brig.c (emit_directive_variable): Emit alignment
16299         according to hsa_symbol::m_align.
16300         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
16301         (dump_hsa_symbol): Dump alignment of HSA symbols.
16302         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
16303         (gen_hsa_addr_with_align): New function.
16304         (hsa_bitmemref_alignment): Use newly added function.
16305         (gen_hsa_insns_for_load): Likewise.
16306         (gen_hsa_insns_for_store): Likewise.
16307         (gen_hsa_memory_copy): New argument added.
16308         (gen_hsa_insns_for_single_assignment): Respect
16309         alignment for assignments processed via gen_hsa_memory_copy.
16310         (gen_hsa_insns_for_direct_call): Likewise.
16311         (gen_hsa_insns_for_return): Likewise.
16312         (gen_function_def_parameters): Set default alignment.
16313         * hsa.c (hsa_object_alignment): New function.
16314         (hsa_byte_alignment): Pasted function.
16315         * hsa.h (hsa_symbol::m_align): New field.
16317 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
16319         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
16320         scratch field for goto case.
16322 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
16324         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
16326 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
16328         PR target/70442
16329         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
16330         (scalar_chain::convert_insn): Call convert_op for reg
16331         moves to handle undefined registers.
16333 2016-03-31  Nathan Sidwell  <nathan@acm.org>
16335         PR c++/70393
16336         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
16337         Assert we don't want to move backwards.
16339 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
16341         PR target/70453
16342         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
16344 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
16346         PR rtl-optimization/70460
16347         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
16348         with operand from REG_LABEL_OPERAND, instead substitute
16349         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
16350         Don't do anything for REG_NON_LOCAL_GOTO jumps.
16352 2016-03-31  Martin Liska  <mliska@suse.cz>
16354         * passes.c (execute_one_pass): Do not call
16355         todo_after for a discarded function.
16357 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
16359         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
16360         (no_cost, infinite_cost): Initialize the new field.
16361         (get_computation_cost_at): Record setup cost.
16362         (determine_use_iv_cost_address): Skip cost computation for sub
16363         uses if we can estimate it without losing accuracy.
16365 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
16367         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
16368         estimates here.
16369         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
16370         max_loop_iterations_int.
16371         (tree_unswitch_outer_loop): Likewise.
16372         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
16373         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
16375 2016-03-30  Richard Biener  <rguenther@suse.de>
16377         PR middle-end/70450
16378         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
16380 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
16382         PR target/70421
16383         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
16384         in gen_blendm expander.
16386 2016-03-30  Nick Clifton  <nickc@redhat.com>
16388         PR target/62254
16389         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
16390         case where we are already provided with an SImode SUBREG.
16392 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
16394         PR target/70439
16395         * config/i386/i386.c (ix86_expand_epilogue): Properly check
16396         conflict between DRAP register and __builtin_eh_return.
16398 2016-03-30  Michael Matz  <matz@suse.de>
16399             Richard Biener  <rguenther@suse.de>
16401         PR ipa/12392
16402         * ipa-polymorphic-call.c (struct type_change_info): Change
16403         speculative to an unsigned allowing to limit the work we do.
16404         (csftc_abort_walking_p): New inline function..
16405         (check_stmt_for_type_change): Limit the number of may-defs
16406         skipped for speculative devirtualization to
16407         max-speculative-devirt-maydefs.
16408         * params.def (max-speculative-devirt-maydefs): New param.
16409         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
16411 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
16413         PR target/63890
16414         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
16415         and TARGET_MACHO.
16417 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
16419         PR tree-optimization/59124
16420         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
16421         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
16423 2016-03-29  Jeff Law  <law@redhat.com>
16425         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
16427 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
16429         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
16430         to HOST_WIDE_INT.
16432 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
16434         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
16435         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
16436         gcrt0.o if linking dynamically.
16438 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
16440         PR ipa/70283
16441         * ipa-devirt.c (methods_equal_p): New function.
16442         (compare_virtual_tables): Use it.
16443         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
16444         * cgraphclones.c (clone_function_name_1): Use
16445         symbol_table::symbol_suffix_separator.
16446         * coverage.c (build_var): Likewise.
16447         * symtab.c (symbol_table::symbol_suffix_separator): New.
16449 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
16451         PR rtl-optimization/70429
16452         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
16453         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
16454         mode != result_mode.
16456         PR c++/70353
16457         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
16459         PR tree-optimization/70405
16460         * ssa-iterators.h (num_imm_uses): Add missing braces.
16462 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
16464         PR rtl-optimization/68695
16465         * ira-color.c (allocno_copy_cost_saving): New.
16466         (improve_allocation): Use it.
16468 2016-03-29  Richard Henderson  <rth@redhat.com>
16470         PR middle-end/70355
16471         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
16473 2016-03-29  Richard Biener  <rguenther@suse.de>
16475         PR middle-end/70424
16476         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
16477         use alignment returned by get_pointer_alignment_1 if it is
16478         bigger than BITS_PER_UNIT.
16479         * builtins.c (get_pointer_alignment_1): Do not return true
16480         for alignment extracted from SSA info.
16482 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
16484         * config/ft32/ft32.opt (mnodiv): New.
16485         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
16486         * doc/invoke.texi (FT32 Options -mnodiv): New.
16488 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
16490         PR target/70406
16491         * config/i386/i386.md (define_split, andn): Fix modes.
16493 2016-03-26  Richard Biener  <rguenther@suse.de>
16494             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16496         PR ipa/70366
16497         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
16498         instead of
16499         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
16500         as 2nd argument to cl_optimization_restore().
16502 2016-03-25  Richard Henderson  <rth@redhat.com>
16504         PR target/70120
16505         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
16506         * config/aarch64/aarch64-protos.h: Declare it.
16507         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
16509 2016-03-25  Alan Modra  <amodra@gmail.com>
16511         PR target/70052
16512         * config/rs6000/constraints.md (j): Simplify.
16513         * config/rs6000/predicates.md (easy_fp_constant): Exclude
16514         decimal float 0.D.
16515         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
16516         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
16517          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
16518         in all constraint alternatives.
16519         (movtd_64bit_nodm): Delete "j" constraint alternative.
16521 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
16523         * tree-ssa-propagate.c: Enhance docs for
16524         SSA_PROP_NOT_INTERESTING.
16526 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
16528         * doc/extend.texi: Fix typo in documentation to pure attribute.
16530 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
16532         PR target/70319
16533         * config/pa/pa.md (bswapdi2): Use a scratch register.
16535 2016-03-24  Richard Henderson  <rth@redhat.com>
16537         PR middle-end/69845
16538         * fold-const.c (extract_muldiv_1): Correct test for multiplication
16539         overflow.
16541 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
16543         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
16544         using ix86_expand_binary_operator instead of gen_andsi3.
16546 2016-03-24  Richard Biener  <rguenther@suse.de>
16548         PR tree-optimization/70396
16549         * tree-vect-stmts.c (vectorizable_comparison): Use
16550         get_vectype_for_scalar_type.
16552 2016-03-24  Richard Biener  <rguenther@suse.de>
16554         PR middle-end/70370
16555         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
16556         with register bases.
16558 2016-03-24  Richard Biener  <rguenther@suse.de>
16560         PR tree-optimization/70372
16561         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
16562         build_all_ones_cst to also handle vector types correctly.
16564 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
16566         PR target/70381
16567         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
16568         -mfloat128 here.
16570 2016-03-23  Marek Polacek  <polacek@redhat.com>
16572         PR c++/69884
16573         * doc/invoke.texi: Document -Wignored-attributes.
16575 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
16577         PR tree-optimization/69042
16578         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
16579         parameter from 30 to 40.
16581 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
16583         PR tree-optimization/69042
16584         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
16585         for use with constant offset stripped in base.
16587 2016-03-23  Richard Biener  <rguenther@suse.de>
16589         PR middle-end/70251
16590         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
16591         mode compatibility check.
16592         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
16594 2016-03-23  Jeff Law  <law@redhat.com>
16596         PR tree-optimization/64058
16597         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
16598         CONFLICT_COUNT.
16599         (struct ssa_conflicts): Move up earlier in the file.
16600         (conflicts_, var_map_): New static variables.
16601         (initialize_conflict_count): New function to initialize the
16602         CONFLICT_COUNT field for each conflict pair.
16603         (compare_pairs): Lazily initialize the conflict count and use it
16604         as the first tie-breaker.
16605         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
16606         and wipe conflicts_ and map_ around the call to qsort.  Remove
16607         special case for 2 coalesce pairs.
16608         * bitmap.c (bitmap_count_unique_bits): New function.
16609         (bitmap_count_bits_in_word): New function, extracted from
16610         bitmap_count_bits.
16611         (bitmap_count_bits): Use bitmap_count_bits_in_word.
16612         * bitmap.h (bitmap_count_unique_bits): Declare it.
16614 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
16616         PR target/69917
16617         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
16618         transparent alias chain for decl assembler name.
16619         * config/sol2.c (solaris_assemble_visibility): Likewise.
16621 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16623         * config/arm/arm1020e.md (1020call_op): Reduce reservation
16624         duration.
16625         (v10_fdivs): Likewise.
16626         (v10_fdivd): Likewise.
16628 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16630         PR driver/70132
16631         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
16632         to not call fclose twice on file.
16634 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
16636         PR tree-optimization/70354
16637         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
16638         oprnd0 is wider than oprnd1 and there is a cast from the wider
16639         type to oprnd1, mask it with the mask of the narrower type.
16641         PR target/70321
16642         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
16643         Optimize TARGET_STV splitters, if high or low word of last argument
16644         is 0 or -1.
16646 2016-03-22  Jeff Law  <law@redhat.com>
16648         PR target/70232
16649         tree-ssa-threadbackward.c
16650         (fsm_find_control_statement_thread_paths): Correctly distinguish
16651         between old style jump threads vs FSM jump threads.
16653 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
16655         PR target/70302
16656         * config/i386/i386.c (scalar_chain::convert_op): Support
16657         uninitialized register usage case.
16659 2016-03-22  Richard Biener  <rguenther@suse.de>
16661         PR middle-end/70251
16662         * genmatch.c (gen_transform): Adjust last parameter to a three-state
16663         int...
16664         (capture::gen_transform): ... to change behavior when substituting
16665         a condition into cond or not-cond expr context.
16666         (dt_simplify::gen_1): Adjust.
16667         * gimple-match-head.c: Include gimplify.h for unshare_expr.
16668         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
16669         last change and instead change to
16670         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
16671         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
16673 2016-03-22  Anthony Green  <green@moxielogic.com>
16675         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
16676         issue for moxiebox targets.
16677         (CC1PLUS_SPEC): Ditto.
16679 2016-03-22  Richard Biener  <rguenther@suse.de>
16681         PR middle-end/70333
16682         * fold-const.c (extract_muldiv_1): Properly perform multiplication
16683         in the wide type.
16685 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
16687         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
16689 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
16691         PR target/70325
16692         * config/i386/i386.c (def_builtin): Handle
16693         OPTION_MASK_ISA_AVX512VL to be and-ed with other
16694         bits.
16695         (const struct builtin_description bdesc_special_args[]):
16696         Remove duplicate ISA bits.
16698 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
16700         PR target/70329
16701         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
16702         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
16703         in a way that works also for AVX512BW.
16705         PR target/70300
16706         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
16707         instead of source if operands[1] is xmm16 and above and
16708         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
16709         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
16711         PR c++/70295
16712         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
16713         on assign if (*from_p) is a comparison, set it to
16714         TREE_NO_WARNING (*from_p).
16716 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
16718         PR middle-end/70326
16719         * lra.c (restore_scratches): Ignore deleted insns.
16721 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
16722             Jakub Jelinek  <jakub@redhat.com>
16724         PR tree-optimization/70317
16725         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
16726         to HONOR_NANS.
16728 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
16730         PR target/70327
16731         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
16732         of ix86_expand_move.
16733         (movoi): Ditto.
16734         (movti): Use general_operand for operand 1 predicate.
16736 2016-03-21  Martin Liska  <mliska@suse.cz>
16738         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
16739         insns.
16740         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
16742 2016-03-21  Martin Liska  <mliska@suse.cz>
16744         PR ipa/70306
16745         * ipa-icf.c (sem_function::parse): Skip static
16746         constructors and destructors.
16748 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
16750         PR target/70296
16751         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
16752         function-like macro, peek following token(s) if it is followed
16753         by CPP_OPEN_PAREN token with optional padding in between, and
16754         if not, don't treat it like a macro.
16756 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
16757             Alexander Monakov  <amonakov@ispras.ru>
16759         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
16760         for the stabs debug format.
16762 2016-03-21  Richard Biener  <rguenther@suse.de>
16764         PR tree-optimization/70310
16765         * tree-vect-generic.c (expand_vector_condition): Fold the built
16766         condition.
16768 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
16770         PR target/70293
16771         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
16772         Block third alternative for AVX-512VL target,
16774 2016-03-21  Martin Liska  <mliska@suse.cz>
16776         PR hsa/70234
16777         * hsa-brig.c (emit_function_directives): Mark unemitted
16778         global variables for emission.
16779         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
16780         (get_symbol_for_decl): Likewise.
16781         * hsa.h (struct hsa_symbol): New flag.
16783 2016-03-21  Richard Biener  <rguenther@suse.de>
16785         PR tree-optimization/70288
16786         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
16787         we do not estimate unsimplified all-constant conditionals or
16788         switches as optimized away.
16790 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
16792         PR rtl-optimization/69102
16793         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
16794         when we have a readonly dependency context.
16796 2016-03-18  Jeff Law  <law@redhat.com>
16798         PR rtl-optimization/70263
16799         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
16800         (update_equiv_regs): When trying to move a store to after the insn
16801         that sets the source of the store, make sure the store occurs after
16802         the insn that sets the source of the store.  When successful note
16803         the REG_EQUIV note created in the dump file.
16805 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
16806             Bernd Schmidt  <bschmidt@redhat.com>
16808         * doc/extend.texi: Document more potential problems with basic asms.
16810 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
16812         PR rtl-optimization/70278
16813         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
16814         VOIDmode.
16816 2016-03-18  Jason Merrill  <jason@redhat.com>
16818         * calls.c (load_register_parameters): Fix zero size sibcall logic.
16820 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
16822         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
16823         values to 128b regs.
16825 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
16827         PR tree-optimization/70252
16828         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
16829         boolean vector has a proper number of elements.
16830         (supportable_narrowing_operation): Likewise.
16832 2016-03-18  Tom de Vries  <tom@codesourcery.com>
16834         PR ipa/70269
16835         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
16837 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
16839         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
16840         instead of replace_rtx for DEBUG_INSNs.
16842 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
16844         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
16845         load type reservations.
16847 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
16849         PR target/70188
16850         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
16851         define_constraint for "Q" and "T" constraints.
16853 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
16855         Tweak the pipeline model for Exynos M1
16857         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
16858         model.
16860 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
16862         PR c/70264
16863         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
16864         where one or both locations aren't within a line_map.
16866 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
16868         PR driver/70192
16869         * opts.c (finish_options): Don't set flag_pie to the default if
16870         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
16871         if it is -1.
16873 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
16875         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
16876         true as ALL_REGS argument to replace_rtx.
16878 2016-03-17  Richard Biener  <rguenther@suse.de>
16880         PR debug/70271
16881         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
16882         last.
16884 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
16886         PR target/70245
16887         * rtl.h (replace_rtx): Add ALL_REGS argument.
16888         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
16889         equality and assert mode is the same, instead of just rtx pointer
16890         equality.
16891         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
16892         true as ALL_REGS argument to replace_rtx.
16894 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
16896         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
16897         for boolean vector with vector mode only.
16898         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
16900 2016-03-17  Nick Clifton  <nickc@redhat.com>
16902         PR target/70162
16903         * config/rx/rx.c (rx_print_integer): Print negative constants in
16904         decimal.
16906 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
16908         PR target/70261
16909         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
16911 2016-03-16  Richard Henderson  <rth@redhat.com>
16912             Richard Biener  <rguenth@suse.de>
16914         PR middle-end/70240
16915         PR middle-end/68215
16916         PR tree-opt/68714
16917         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
16918         first operand as is_gimple_condexpr.
16920         PR middle-end/70240
16921         PR middle-end/68215
16922         Revert r231575
16923         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
16924         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
16925         Do not gimplify the result.
16926         (do_unop): Adjust call to tree_vec_extract.
16927         (do_binop): Likewise.
16928         (do_compare): Likewise.
16929         (do_plus_minus): Likewise.
16930         (do_negate): Likewise.
16931         (expand_vector_condition): Likewise.
16932         (do_cond): Likewise.
16934 2016-03-16  Richard Henderson  <rth@redhat.com>
16936         PR target/70048
16937         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
16938         (aarch64_classify_address): Use it.
16939         (aarch64_legitimize_address): Force all subexpressions of PLUS
16940         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
16942 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
16943             Richard Biener  <rguenth@suse.de>
16945         PR target/70245
16946         * rtlanal.c (replace_rtx): For REG, if from is a REG,
16947         return to even if only REGNO is equal, and assert
16948         mode is the same.
16950 2016-03-11  Jeff Law  <law@redhat.com>
16952         PR rtl-optimization/70224
16953         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
16955 2016-03-16  Richard Henderson  <rth@redhat.com>
16957         PR middle-end/70199
16958         * function.h (struct function): Add has_forced_label_in_static.
16959         * gimplify.c (force_labels_r): Set it.
16960         * lto-streamer-in.c (input_struct_function_base): Read it.
16961         * lto-streamer-out.c (output_struct_function_base): Write it.
16962         * tree-inline.c (has_label_address_in_static_1): Remove.
16963         (copy_forbidden): Remove fndecl parameter; test
16964         has_forced_label_in_static.
16965         (inline_forbidden_p): Update call to copy_forbidden.
16966         (tree_versionable_function_p): Likewise.
16967         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
16968         (chkp_versioning): Likewise.
16969         * tree-inline.h (copy_forbidden): Update decl.
16971 2016-03-16  Marek Polacek  <polacek@redhat.com>
16973         PR c/70093
16974         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
16975         function being thunked if the result type doesn't have fixed size.
16976         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
16977         doesn't have fixed size.
16979 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
16981         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
16982         reporting malformed loop nest.
16984 2016-03-16  Tom de Vries  <tom@codesourcery.com>
16986         PR lto/70187
16987         * ipa-devirt.c (possible_polymorphic_call_targets): Move
16988         nodes.length () == 1 test to before first nodes[0] access.
16990 2016-03-16  Tom de Vries  <tom@codesourcery.com>
16992         PR tree-optimization/68715
16993         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
16994         single_pred_p test.
16996 2016-03-16  Tom de Vries  <tom@codesourcery.com>
16998         PR tree-optimization/68809
16999         * graphite-scop-detection.c (same_close_phi_node): Test if result types
17000         are the same.
17002 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
17003             Sandra Loosemore  <sandra@codesourcery.com>
17005         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
17006         on leaf attribute. Mention ELF interposition problems.
17008 2016-03-16  Alan Modra  <amodra@gmail.com>
17010         PR rtl-optimization/69195
17011         PR rtl-optimization/47992
17012         * ira.c (indirect_jump_optimize): Ignore artificial defs.
17013         Add comments.
17015 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
17017         PR bootstrap/69513
17018         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
17020 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
17022         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
17024 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
17026         PR rtl-optimization/70222
17027         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
17028         optimization if mode is different from result_mode, queue up masking
17029         of the result in outer_op.  Formatting fix.
17031         PR middle-end/70239
17032         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
17033         of safe_grow.
17035 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
17037         PR rtl-optimization/69032
17038         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
17039         looping backwards over basic block insns.
17041 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
17043         PR target/66660
17044         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
17045         to non-speculative when propagating trap bits.
17047 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
17049         PR rtl-optimization/63384
17050         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
17051         DEBUG_INSN_P insns.
17053 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
17055         PR target/64411
17056         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
17057         factored out from ...
17058         (sched_analyze_insn): ... here.
17059         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
17060         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
17061         get_implicit_reg_pending_clobbers in it.
17062         (setup_id_reg_sets): Use setup_id_implicit_regs.
17063         (deps_init_id): Ditto.
17065 2016-03-15  Tom de Vries  <tom@codesourcery.com>
17067         PR ipa/70161
17068         * cgraph.c (cgraph_node::get_body): Save, reset and restore
17069         dump_file_name.
17070         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
17071         execute_function_dump.
17072         (execute_one_pass): Don't dump function if it will be dumped after ipa
17073         transform.
17075 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
17077         * genrecog.c (match_pattern_2): If pred is NULL don't call
17078         safe_predicate_mode on it.
17080 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
17082         PR middle-end/70219
17083         * lra-constraints.c (delete_move_and_clobber): Change assertion
17084         to also allow dregno == 0.
17086 2016-03-14  Richard Henderson  <rth@redhat.com>
17088         PR tree-opt/68714
17089         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
17090         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
17091         (reassociate_bb): Use optimize_vec_cond_expr; avoid
17092         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
17093         on vectors.
17095 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
17097         PR target/70083
17098         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
17099         regs.
17100         (lra_create_live_ranges_1): initialize hard register biggest_mode to
17101         VOIDmode.
17102         * lra-constraints.c (split_reg): For hard regs, try to find the
17103         biggest single-register mode used in the function.
17105 2016-03-14  Richard Biener  <rguenther@suse.de>
17107         PR tree-optimization/56365
17108         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
17109         constants to compare against.
17111 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
17113         PR target/70098
17114         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
17115         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
17116         (define_split for the GPR case): Use int_reg_operand instead of
17117         gpc_reg_operand for the output.
17119 2016-03-14  Tom de Vries  <tom@codesourcery.com>
17121         PR tree-optimization/70045
17122         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
17123         create_empty_if_region_on_edge argument.
17125 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
17127         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
17128         (STACK_CHECK_PROTECT): Likewise.
17129         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
17130         (STACK_CHECK_PROTECT): Likewise.
17131         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
17132         (STACK_CHECK_PROTECT): Likewise.
17133         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
17134         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
17135         (STACK_CHECK_PROTECT): Likewise.
17137 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
17139         PR rtl-optimization/69307
17140         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
17141         registers in modes that span more than one register.
17143 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
17145         PR target/69614
17146         * lra-constraints.c (delete_move_and_clobber): New.
17147         (remove_inheritance_pseudos): Use it.
17149 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
17151         PR ada/70017
17152         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
17153         the libcall is LCT_THROW.
17154         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
17155         for the checking routine.
17157 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
17159         PR target/70131
17160         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
17161         optimization if we have direct move.
17162         (roundu32<mode>2_fprs): Likewise.
17164 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
17166         PR target/70123
17167         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
17168         be rematerialized.
17169         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
17170         Arguments swapped.  All callers changed.  Take reg_renumber into
17171         account, and Calculate and compare register ranges for hard regs.
17173 2016-03-11  Jeff Law  <law@redhat.com>
17175         PR tree-optimization/70190
17176         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
17177         Handle cases where we can not extract the taken edge, even though we
17178         found a constant value.
17180         PR tree-optimization/64058
17181         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
17182         (num_coalesce_pairs): Move up earlier in file.
17183         (find_coalesce_pair): Initialize the INDEX field for each pair
17184         discovered.
17185         (compare_pairs): No longer sort on the elements in each pair.
17186         Instead break ties with the index of the coalesce pair.
17188 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17190         PR target/70002
17191         * config/aarch64/aarch64-protos.h
17192         (aarch64_save_restore_target_globals): New prototype.
17193         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
17194         Call the above when popping pragma.
17195         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
17196         New function.
17197         (aarch64_set_current_function): Rewrite using the above.
17199 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
17201         PR tree-optimization/70177
17202         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
17203         (extract_ops_from_tree): ... this.  In the 2 argument
17204         overload remove _1 suffix.
17205         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
17206         (extract_ops_from_tree): ... this.
17207         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
17208         Adjust callers.
17209         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
17210         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
17211         extract_ops_from_tree instead of 2 operand one.
17213 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
17215         PR tree-optimization/70013
17216         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
17217         for constant-pool entries.
17219 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
17221         PR rtl-optimization/70174
17222         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
17223         followed by gen_lowpart on force_reg instead of just gen_lowpart.
17225         PR tree-optimization/70169
17226         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
17227         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
17228         for unknown codes.
17230 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
17231             Jakub Jelinek  <jakub@redhat.com>
17233         PR target/70160
17234         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
17235         of uninitialized values.
17237 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17239         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
17240         define_expand.
17241         ("*trunctddd2"): New pattern definition.
17242         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
17243         TD->DD truncation.
17245 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17247         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
17248         definitions for BFP and DFP rounding modes.
17249         ("fixuns_truncdddi2", "fixuns_trunctddi2")
17250         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
17251         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
17252         ("fix_trunctf<mode>2"): Use the new constants instead of magic
17253         numbers.
17255 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17257         * config/s390/constraints.md: Adjust comment.
17258         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
17259         s390_decompose_addrstyle_without_index.
17260         * config/s390/predicates.md (shift_count_or_setmem_operand):
17261         Rename to setmem_operand.
17262         * config/s390/s390-protos.h
17263         (s390_decompose_shift_count): Rename to
17264         s390_decompose_addrstyle_without_index.
17265         * config/s390/s390.c (s390_decompose_shift_count)
17266         (s390_mem_constraint, print_shift_count_operand)
17267         (print_operand_address, print_operand): Rename
17268         s390_decompose_shift_count to
17269         s390_decompose_addrstyle_without_index and rename
17270         print_shift_count_operand to print_addrstyle_operand troughout the
17271         file.
17272         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
17273         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
17274         Rename shift_count_or_setmem_operand to setmem_operand.
17275         * config/s390/vx-builtins.md ("vec_insert<mode>")
17276         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
17277         nonmemory_operand.
17279 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
17281         PR target/70168
17282         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
17283         Handle overlapping retval and newval.
17285 2016-03-10  Nick Clifton  <nickc@redhat.com>
17287         PR target/7044
17288         * config/aarch64/aarch64.c
17289         (aarch64_override_options_after_change_1): When forcing
17290         flag_omit_frame_pointer to be true, use a special value that can
17291         be detected if this function is called again, thus preventing
17292         flag_omit_leaf_frame_pointer from being forced to be false.
17294 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17296         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
17297         Set x_flag_omit_leaf_frame_pointer when handling
17298         -momit-leaf-frame-pointer.
17300 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
17302         PR lto/69589
17303         * cgraph.c (cgraph_node::dump): Dump split_part and
17304         indirect_call_target.
17305         * cgraph.h (cgraph_node): Add indirect_call_target flag.
17306         * ipa.c (has_addr_references_p): Cleanup.
17307         (is_indirect_call_target_p): New.
17308         (walk_polymorphic_call_targets): Do not mark virtuals that may be
17309         called indirectly as local.
17310         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
17312 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
17314         PR ipa/69630
17315         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
17316         on cxa_pure_virtual.
17318 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
17320         PR lto/69589
17321         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
17323 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
17325         PR lto/69589
17326         * tree.c (need_assembler_name_p): Only record main variant type names.
17328 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
17330         PR target/70113.
17331         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
17332         Always define to 0 or 1.
17333         (TARGET_FIX_ERR_A53_843419): New macro.
17334         * config/aarch64/aarch64-elf-raw.h
17335         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
17336         * config/aarch64/aarch64-linux.h: Likewise.
17337         * config/aarch64/aarch64.c
17338         (aarch64_override_options_after_change_1): Do not default
17339         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
17340         843419 is on.
17341         (aarch64_attributes): Handle fix-cortex-a53-843419.
17342         (aarch64_can_inline_p): Likewise.
17343         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
17345 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
17346             Jakub Jelinek  <jakub@redhat.com>
17348         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
17349         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
17350         DECL_COMMONS if flag_unconstrained_commons is set.
17351         * tree-dfa.c (get_ref_base_and_extent): Likewise.
17352         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
17353         (funconstrained-commons): Document.
17355 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
17357         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
17358         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
17360 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
17362         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
17363         has a proper number of elements.
17365 2016-03-10  Alan Modra  <amodra@gmail.com>
17367         PR rtl-optimization/69195
17368         PR rtl-optimization/47992
17369         * ira.c (recorded_label_ref): Delete.
17370         (update_equiv_regs): Return void.
17371         (indirect_jump_optimize): New function.
17372         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
17373         before regstat_compute_ri.  Don't rebuild_jump_labels here.
17374         Delete update_regstat.
17376 2016-03-10  Richard Biener  <rguenther@suse.de>
17378         PR tree-optimization/70128
17379         * tree-ssa-structalias.c (set_uids_in_ptset): Set
17380         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
17382 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
17384         PR tree-optimization/70152
17385         * tree-sra.c (replace_removed_params_ssa_names): Copy over
17386         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
17388         PR target/70086
17389         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
17390         instead of gen_sse2_loadlpd.
17391         * config/i386/sse.md (*vec_concatv2df): Rename to...
17392         (vec_concatv2df): ... this.
17394         PR tree-optimization/70127
17395         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
17397 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
17399         PR c/68473
17400         PR c++/70105
17401         * diagnostic-show-locus.c (compatible_locations_p): New function.
17402         (layout::layout): Sanitize ranges using compatible_locations_p.
17404 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
17406         PR c/68473
17407         PR c++/70105
17408         * diagnostic-show-locus.c (layout_range::layout_range): Replace
17409         location_range param with three const expanded_locations * and a
17410         bool.
17411         (layout::layout): Replace call to
17412         rich_location::lazily_expand_location with get_expanded_location.
17413         Extract the range and perform location expansion here, passing
17414         the results to the layout_range ctor.
17415         * diagnostic.c (source_range::debug): Delete.
17416         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
17417         of rich_location::get_expanded_location.
17418         * gcc-rich-location.c (get_range_for_expr): Delete.
17419         (gcc_rich_location::add_expr): Reimplement to avoid the
17420         rich_location::add_range overload that took a location_range,
17421         passing a location_t instead.
17423 2016-03-09  Richard Biener  <rguenther@suse.de>
17424         Jakub Jelinek  <jakub@redhat.com>
17426         PR tree-optimization/70138
17427         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
17428         Also skip vect_double_reduction_def.
17430 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
17432         PR target/70049
17433         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
17434         if the operand is "m".
17436 2016-03-09  Nathan Sidwell  <nathan@acm.org>
17438         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
17440 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
17442         * config/i386/i386.c (processor_target_table): Fix cost table
17443         intialization order for znver1.
17445 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
17447         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
17448         - becuase -> because.
17449         * ipa-reference.c (ignore_module_statics): Likewise.
17450         * cgraph.c (cgraph_node::get_body): Likewise.
17451         * ipa-inline.c (early_inliner): Likewise.
17452         * ipa-devirt.c (types_same_for_odr): Likewise.
17453         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
17454         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
17456 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17458         * tree-ssa-math-opts.c: Fix typo in comment.
17460 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
17462         PR target/70110
17463         * config/i386/i386.c (scalar_chain::make_vector_copies,
17464         scalar_chain::convert_reg): Call end_sequence in between
17465         get_insns and emit_conversion_insns rather than after both
17466         calls.
17468 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
17470         PR target/70064
17471         * config/i386/i386.h (machine_function): Add
17472         pc_thunk_call_expanded flag.
17473         (ix86_pc_thunk_call_expanded): New define.
17474         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
17475         (*set_got): Rename insn pattern from set_got.
17476         (*set_got_labelled): Rename inst pattern from set_got_labelled.
17477         * config/i386/i386.c (ix86_compute_frame_layout): Use
17478         ix86_pc_thunk_call_expanded to prevent red-zone.
17480 2016-03-07  Martin Jambor  <mjambor@suse.cz>
17482         * hsa.h (hsa_get_ctor_statements): Declare.
17483         (hsa_get_dtor_statements): Likewise.
17484         (hsa_get_kernel_dispatch_type): Likewise.
17485         * hsa.c (hsa_get_ctor_statements): New function.
17486         (hsa_get_dtor_statements): Likewise.
17487         (hsa_get_kernel_dispatch_type): Likewise.
17488         * hsa-brig.c (hsa_cdtor_statements): Removed.
17489         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
17490         hsa_get_dtor_statements.
17491         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
17492         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
17494 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
17496         * config/arm/arm-cores.def (cortex-r8): New.
17497         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
17498         * config/arm/arm-tune.md: Likewise.
17499         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
17501 2016-03-07  Martin Sebor  <msebor@redhat.com>
17503         PR rtl-optimization/19705
17504         * doc/invoke.texi (Options That Control Optimization): Clarify
17505         -fno-branch-count-reg.
17507 2016-02-26  Richard Biener  <rguenther@suse.de>
17508             Jeff Law  <law@redhat.com>
17510         PR tree-optimization/69740
17511         * cfghooks.c (remove_edge): Request loop fixups if we delete
17512         an edge that might turn an irreducible loop into a natural
17513         loop.
17514         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
17515         Move after definition of loops_state_clear.
17517 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
17519         PR rtl-optimization/69052
17520         * rtlanal.c (commutative_operand_precedence): Set higher precedence
17521         to CONST_WIDE_INT.
17523 2016-03-07  Tom de Vries  <tom@codesourcery.com>
17525         PR tree-optimization/70116
17526         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
17527         is_tm_ending stmts and ubsan/asan internal functions.
17528         (find_duplicate): Use it.  Don't test is_tm_ending here.
17530 2016-03-07  Richard Biener  <rguenther@suse.de>
17532         PR tree-optimization/70115
17533         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
17534         (propagate_constants_for_unrolling): Use replace_uses_by.
17536 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
17538         PR middle-end/69916
17539         * omp-low.c (struct oacc_loop): Add ifns.
17540         (new_oacc_loop_raw): Initialize it.
17541         (finish_oacc_loop): Clear mask & flags if no ifns.
17542         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
17543         (oacc_loop_xform_loop): Add ifns arg & adjust.
17544         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
17546 2016-03-07  Richard Henderson  <rth@redhat.com>
17548         PR rtl-opt/70061
17549         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
17550         (insert_value_copy_on_edge): Likewise.
17552 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17554         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
17556 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
17558         PR target/62281
17559         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
17561 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
17563         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
17565 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
17567         Fix sseimul type attribute.
17568         * config/i386/znver1.md
17569         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
17570         znver1_sseimul_avx256_load) : Fix the type attribute.
17571         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
17572         pipe usage and latency.
17574 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
17576         PR c++/70084
17577         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
17578         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
17579         to the right type.
17581 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
17583         PR c/69973
17584         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
17586         PR rtl-optimization/69941
17587         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
17588         the reg share its mode.
17590 2016-03-04  Jeff Law  <law@redhat.com>
17592         PR tree-optimization/69196
17593         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
17594         If the both SSA_NAMEs are anonymous, then consider them unassociated
17595         and include the PHI in the statement count.
17597 2016-03-05  Tom de Vries  <tom@codesourcery.com>
17599         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
17600         construct in oacc routine.  Check for oacc region in oacc routine.
17602 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
17604         PR target/70062
17605         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
17606         2016-02-22 changes, instead don't recurse if RECUR is already true.
17607         Don't change *dynamic_check if RECUR.  Adjust recursive caller
17608         to pass true to the new argument.
17609         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
17611         PR target/70059
17612         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
17613         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
17614         fixes.
17615         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
17617 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
17619         PR rtl-optimization/57676
17620         * lra-assigns.c (lra_assign): Guard test for maximum iterations
17621         with flag_checking.
17623 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
17625         * tree-vect-patterns.c (search_type_for_mask): Handle
17626         comparison of booleans.
17628 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
17630         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
17631         Fix @xref usage.
17633         PR debug/69947
17634         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
17635         all other ops that have dw_val_class_die_ref operands,
17636         and DW_OP_GNU_entry_value.
17638 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17640         PR rtl-optimization/69904
17641         * config/arm/arm.c (arm_cannot_copy_insn_p):
17642         Return true for load-exclusive instructions.
17644 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
17646         PR target/70021
17647         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
17648         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
17649         the pattern no matter if it is used just by non-pattern, pattern
17650         or mix thereof.
17651         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
17652         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
17653         oprnd1 def_stmt is in pattern, don't look through it.
17655 2016-03-03  Marek Polacek  <polacek@redhat.com>
17657         PR middle-end/70050
17658         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
17660 2016-03-03  Martin Liska  <mliska@suse.cz>
17662         PR tree-optimization/70043
17663         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
17664         previous statement if we see a debug statement.
17666 2016-03-03  Richard Biener  <rguenther@suse.de>
17668         PR tree-optimization/55936
17669         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
17670         parameter and guard unsafe equivalence use.
17671         (vrp_evaluate_conditional_warnv_with_ops): Always use
17672         safe equivalences but not via the quadratic compare_names
17673         helper.
17675 2016-03-03  Michael Collison  <michael.collison@linaro.org>
17677         PR target/70014
17678         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
17679         for operand 1 to s_register_operand. Change predicate for operand
17680         2 to arm_not_immediate_operand.
17682 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
17684         * doc/tm.texi: Regenerated.
17686 2016-03-02  Richard Henderson  <rth@redhat.com>
17688         PR rtl-opt/67145
17689         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
17690         simplification when all args are positive non-fixed registers.
17692 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17694         * target.def (lra_p): Specify that new ports should use LRA.
17696 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
17698         PR libgomp/69555
17699         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
17700         gimplify_type_sizes the type they refer to.
17701         (omp_notice_variable): Handle reference vars to VLAs.
17702         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
17703         reference to VLA decls in the second pass instead of first pass.
17705 2016-03-02  Tom de Vries  <tom@codesourcery.com>
17707         PR tree-optimization/68659
17708         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
17709         new_expr == NULL_TREE.
17710         (get_new_name): Handle ADDR_EXPR.
17712 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
17714         PR rtl-optimization/69052
17715         * loop-invariant.c (canonicalize_address): New function.
17716         (inv_can_prop_to_addr_use): Check validity of address expression
17717         which is canonicalized by above function.
17719 2016-03-02  Alan Modra  <amodra@gmail.com>
17721         PR ipa/69990
17722         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
17723         larger alignment.
17725 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
17727         PR target/70028
17728         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
17729         (*movhi_internal): Put mask moves from and to memory separately
17730         from moves from/to GPRs.
17732 2016-03-02  Richard Biener  <rguenther@suse.de>
17734         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
17735         GENERIC expressions in GIMPLE.
17737 2016-03-02  Richard Biener  <rguenther@suse.de>
17739         * config/i386/i386.c (type_natural_mode): Fix typo.
17741 2016-03-02  Nick Clifton  <nickc@redhat.com>
17743         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
17745 2016-03-02  Richard Biener  <rguenther@suse.de>
17746             Uros Bizjak  <ubizjak@gmail.com>
17748         PR target/67278
17749         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
17751 2016-03-02  Richard Biener  <rguenther@suse.de>
17753         PR middle-end/67278
17754         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
17756 2016-03-02  Marek Polacek  <polacek@redhat.com>
17758         PR c/67854
17759         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
17760         "is promoted to" warning.
17762 2016-03-01  DJ Delorie  <dj@redhat.com>
17764         * config.gcc: Deprecate mep-*.
17766 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
17768         PR middle-end/70025
17769         * lra-constraints.c (regno_val_use_in): New.
17770         (match_reload): Use it instead of regno_use_in.
17772 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
17774         PR rtl-optimization/70007
17775         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
17776         references present in REG_EQUAL notes attached to non-SET patterns.
17778 2016-03-01  Jeff Law  <law@redhat.com>
17780         PR tree-optimization/69196
17781         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
17782         Appropriately clamp the number of statements to copy when the
17783         thread path does not traverse a loop backedge.
17785         PR tree-optimization/69196
17786         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
17787         Do count some PHIs in the thread path against the insn count.  Decrease
17788         final statement count by one as the control statement in the last
17789         block will get removed.  Remove special cased code for handling PHIs
17790         in the last block.
17792 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
17794         PR target/70027
17795         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
17796         asm dialect alternatives to explicit GOTPCREL calls.
17798 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
17800         PR ada/70017
17801         * ira.c (do_reload): Issue warning for generic stack checking here...
17802         * reload1.c (reload): ...instead of here and streamline it.
17804 2016-03-01  Nick Clifton  <nickc@redhat.com>
17806         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
17808 2016-03-01  Richard Biener  <rguenther@suse.de>
17810         PR tree-optimization/69983
17811         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
17812         types and fall back to operand_equal_p.
17814 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17816         Revert
17817         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17819         * config/s390/constraints.md ("jm8"): New constraint.
17820         * config/s390/predicates.md ("const_int_8bitset_operand"): New
17821         predicate.
17822         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
17823         into ...
17824         ("*setmem_long<setmem_and>"): New pattern.
17825         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
17826         into ...
17827         ("*setmem_long_31z<setmem_and>"): New pattern.
17828         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
17829         New substitution rules with the required attributes.
17832 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17834         Revert
17835         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17837         * gensupport.c (process_substs_on_one_elem): Split loop to
17838         complete mark_operands_used_in_match_dup on all expressions in the
17839         vector first.
17840         (adjust_operands_numbers): Inline into process_substs_on_one_elem
17841         and remove function.
17843 2016-03-01  Richard Biener  <rguenther@suse.de>
17845         PR middle-end/70022
17846         * fold-const.c (fold_indirect_ref_1): Fix range checking for
17847         vector BIT_FIELD_REF extract.
17849 2016-03-01  Richard Biener  <rguenther@suse.de>
17851         PR tree-optimization/69994
17852         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
17854 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
17856         PR tree-optimization/69956
17857         * tree-vect-stmts.c (supportable_widening_operation): Support
17858         multi-step conversion of boolean vectors.
17859         (supportable_narrowing_operation): Likewise.
17861 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17863         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
17864         anymore.
17866 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17868         * config/s390/subst.md (DSI_VI): New mode iterator.
17869         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
17870         * config/s390/vector.md ("vec_set<mode>"): Move expander before
17871         the insn definition.
17872         ("*vec_set<mode>"): Change predicate and add alternative to
17873         support only either register or const_int operands as element
17874         selector.
17875         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
17876         operands.
17877         ("vec_extract<mode>"): New expander.
17878         ("*vec_extract<mode>"): New insn definition supporting reg and
17879         const_int element selectors.
17880         ("*vec_extract<mode>_plus"): New insn definition supporting
17881         reg+const_int element selectors.
17882         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
17883         following expander+insn definition.
17884         ("<vec_shifts_name><mode>3"): New expander.
17885         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
17887 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17889         * config/s390/s390.md ("*tabort_1"): Change predicate to
17890         nonmemory_operand.  Add a second alternative to cover
17891         register as well as const int operands.
17892         ("*tabort_1_plus"): New pattern definition.
17894 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17896         * config/s390/s390.md ("*ashrdi3_cc_31")
17897         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
17898         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
17899         Merge insn definitions into ...
17900         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
17901         New pattern definition.
17902         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
17903         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
17904         ("*ashr<mode>3_and"): Merge insn definitions into ...
17905         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
17906         New pattern definition.
17907         * config/s390/subst.md ("addr_style_op_cc_subst")
17908         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
17909         substitutions patterns plus attributes.
17910         Add ashiftrt to SUBST iterator.
17912 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17914         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
17915         op2 to nonmemory_operand.
17916         ("*<shift>di3_31", "*<shift>di3_31_and"):
17917         Merge into single pattern definition ...
17918         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
17919         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
17920         pattern definition ...
17921         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
17922         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
17923         iterator.
17925 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17927         * config/s390/predicates.md (const_int_6bitset_operand): New
17928         predicate.
17929         * config/s390/s390.md: Include subst.md.
17930         ("rotl<mode>3"): New expander.
17931         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
17932         ...
17933         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
17934         * config/s390/subst.md: New file.
17936 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17938         * config/s390/s390.md ("op_type", "atype", "length" attributes):
17939         Remove RRR type.  It doesn't really exist.
17940         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
17941         attributes.
17942         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
17943         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
17944         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
17945         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
17946         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
17947         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
17948         `enabled' attribute.
17950 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17952         * gensupport.c (process_substs_on_one_elem): Split loop to
17953         complete mark_operands_used_in_match_dup on all expressions in the
17954         vector first.
17955         (adjust_operands_numbers): Inline into process_substs_on_one_elem
17956         and remove function.
17958 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
17960         PR target/69706
17961         * config/sparc/sparc.c (NWORDS_UP): Rename to...
17962         (CEIL_NWORDS): ...this.  Use CEIL macro.
17963         (compute_fp_layout): Adjust to above renaming.
17964         (function_arg_union_value): Likewise.
17965         (sparc_arg_partial_bytes): Likewise.
17966         (sparc_function_arg_advance): Likewise.
17968 2016-02-29  Jeff Law  <law@redhat.com>
17970         PR tree-optimization/70005
17971         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
17972         where an object with a boolean range is compared against a value
17973         outside [0..1].
17975         PR tree-optimization/69999
17976         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
17977         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
17978         loop cleanups.
17980 2016-02-29  Richard Biener  <rguenther@suse.de>
17982         PR tree-optimization/69994
17983         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
17984         (get_unary_op): Look through nop conversions.
17985         (ops_equal_values_p): New function, look for equality diregarding
17986         nop conversions.
17987         (eliminate_plus_minus_pair): Use ops_equal_values_p
17988         (repropagate_negates): Do not use get_unary_op here.
17990 2016-02-29  Martin Liska  <mliska@suse.cz>
17992         * system.h: Poison ENABLE_CHECKING macro.
17994 2016-02-29  Martin Liska  <mliska@suse.cz>
17996         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
17997         is presented in dump flags.
17998         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
17999         (hsa_regalloc): Likewise.
18001 2016-02-19  Richard Biener  <rguenther@suse.de>
18003         PR tree-optimization/69980
18004         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
18005         permutation of those we need to keep.
18007 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
18009         PR target/69706
18010         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
18011         (NWORDS_UP): ...this
18012         (init_cumulative_args): Minor tweaks.
18013         (sparc_promote_function_mode): Likewise.
18014         (scan_record_type): Delete.
18015         (traverse_record_type): New function template.
18016         (classify_data_t): New structure type.
18017         (classify_registers): New inline function.
18018         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
18019         exhausted.  Instantiate traverse_record_type on classify_registers and
18020         deal with the case of a structure passed in slot #15 with no FP field
18021         in the first word.
18022         (assign_data_t): New structure type.
18023         (compute_int_layout): New static function.
18024         (compute_fp_layout): Likewise.
18025         (count_registers): New inline function.
18026         (assign_int_registers): New static function.
18027         (assign_fp_registers): Likewise.
18028         (assign_registers): New inline function.
18029         (function_arg_record_value_1): Delete.
18030         (function_arg_record_value_2): Likewise.
18031         (function_arg_record_value_3): Likewise.
18032         (function_arg_record_value): Adjust to above changes.  Instantiate
18033         traverse_record_type on count_registers to first count the number of
18034         registers to be used and then on assign_registers to assign them.
18035         (function_arg_union_value): Adjust to above renaming.
18036         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
18037         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
18038         case of a structure passed in slot #15
18039         (sparc_function_arg_advance): Likewise.
18040         (function_arg_padding): Minor tweak.
18042 2016-02-29  Richard Biener  <rguenther@suse.de>
18044         PR tree-optimization/69720
18045         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
18046         the adjustment_def path for possibly vectorized defs.
18047         (vect_create_epilog_for_reduction): Handle vectorized initial
18048         defs properly.
18050 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
18052         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
18054 2016-02-27  Jeff Law  <law@redhat.com>
18056         Revert
18057         2016-02-26  Richard Biener  <rguenther@suse.de>
18058                     Jeff Law  <law@redhat.com>
18060         PR tree-optimization/69740
18061         * cfghooks.c (remove_edge): Request loop fixups if we delete
18062         an edge that might turn an irreducible loop into a natural
18063         loop.
18065 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
18067         PR rtl-optimization/69896
18068         * tree-vect-generic.c (get_compute_type): Avoid single element
18069         vector types.
18071 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
18073         Rename the AArch64 tuning option and related functions to enable the
18074         Newton series for the reciprocal square root to reflect its
18075         approximative characteristic.
18077         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
18078         function to "aarch64_emit_approx_rsqrt".
18079         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
18080         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
18081         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
18082         (xgene1_tunings): Likewise.
18083         (use_rsqrt_p): Likewise.
18084         (aarch64_emit_swrsqrt): Use new function name.
18085         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
18086         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
18087         text explaining this option.
18088         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
18090 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
18092         PR target/69969
18093         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
18094         complain about -mallow-movmisalign without -mvsx if
18095         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
18097 2016-02-26  Joel Sherrill  <joel@rtems.org>
18099         * config.gcc: Add x86_64-*-rtems*.
18100         * config/i386/rtems-64.h: New file.
18102 2016-02-26  Joel Sherrill  <joel@rtems.org>
18104         * config.gcc: Add aarch64-*-rtems*.
18105         * config/aarch64/rtems.h: New file.
18107 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
18109         PR target/69946
18110         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
18111         shift amount using %h.  Add comment.
18113 2016-02-26  Richard Biener  <rguenther@suse.de>
18114             Jeff Law  <law@redhat.com>
18116         PR tree-optimization/69740
18117         * cfghooks.c (remove_edge): Request loop fixups if we delete
18118         an edge that might turn an irreducible loop into a natural
18119         loop.
18121 2016-02-26  Martin Jambor  <mjambor@suse.cz>
18123         PR middle-end/69920
18124         * tree-sra.c (sra_modify_assign): Do not remove loads of
18125         uninitialized aggregates to SSA_NAMEs.
18127 2016-02-26  Richard Henderson  <rth@redhat.com>
18129         PR target/69709
18130         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
18131         pseudo in case the target rtx matches the source of the left
18132         shift.
18134 2016-02-26  Martin Jambor  <mjambor@suse.cz>
18136         PR hsa/69568
18137         * hsa.h (hsa_type_packed_p): Declare.
18138         * hsa.c (hsa_type_packed_p): New function.
18139         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
18140         loads.
18141         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
18142         * hsa-brig.c (emit_basic_insn): Likewise.
18144 2016-02-26  Martin Jambor  <mjambor@suse.cz>
18146         pr hsa/69674
18147         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
18148         pointers.
18149         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
18151 2016-02-26  Martin Jambor  <mjambor@suse.cz>
18153         * hsa.h (is_a_helper): New overload for hsa_op_immed for
18154         hsa_op_with_type operands.
18155         (hsa_unsigned_type_for_type): Declare.
18156         * hsa.c (hsa_unsigned_type_for_type): New function.
18157         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
18158         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
18159         the finalizer.  Do not emit extra move.
18161 2016-02-26  Martin Jambor  <mjambor@suse.cz>
18163         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
18164         atomic operations in private segment.
18166 2016-02-26  Martin Jambor  <mjambor@suse.cz>
18168         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
18169         statements to wi->info.  Also disallow omp simd constructs.
18170         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
18171         for not gridifying.  Dump special string for omp_for.
18173 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18175         PR target/69245
18176         * config/aarch64/aarch64.c (aarch64_set_current_function):
18177         Save/restore target globals when switching to
18178         target_option_default_node.
18180 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18182         PR target/69613
18183         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
18184         Return 0 if !SHIFT_COUNT_TRUNCATED.
18186 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
18187             Eric Botcazou  <ebotcazou@adacore.com>
18189         PR rtl-optimization/69891
18190         * dse.c (scan_insn): If we can't figure out memset arguments
18191         or they are non-constant, call clear_rhs_from_active_local_stores.
18193 2016-02-26  Martin Liska  <mliska@suse.cz>
18195         * doc/extend.texi: Mention clog10, clog10f an clog10l
18196         in Builtins section.
18198 2016-02-26  Martin Liska  <mliska@suse.cz>
18200         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
18201         CHECKING_P.
18202         (resolve_args_picking_1): Likewise.
18203         * dwarf2out.h (struct GTY): Likewise.
18205 2016-02-26  Martin Liska  <mliska@suse.cz>
18207         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
18208         with flag_checking.
18209         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
18211 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
18212             Martin Liska  <mliska@suse.cz>
18214         * doc/install.texi: Mention --enable-valgrind-annotations.
18216 2016-02-26  Richard Biener  <rguenther@suse.de>
18218         PR tree-optimization/69551
18219         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
18220         looking through aliases adjust DECL_PT_UID to refer to the
18221         ultimate alias target.
18223 2016-02-25  Martin Liska  <mliska@suse.cz>
18225         PR middle-end/69919
18226         * alloc-pool.c (after_memory_report): New variable.
18227         * alloc-pool.h (base_pool_allocator ::release): Do not use
18228         the infrastructure if after_memory_report.
18229         * toplev.c (toplev::main): Mark after memory report.
18231 2016-02-25  Richard Biener  <rguenther@suse.de>
18233         PR tree-optimization/48795
18234         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
18236 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
18238         PR driver/68463
18239         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
18240         offloading is enabled and -fopenacc or -fopenmp is specified.
18241         (CRTOFFLOADEND): Likewise.
18242         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
18243         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
18244         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
18245         (offload_objects_file_name): New static var.
18246         (tool_cleanup): Remove offload_objects_file_name file.
18247         (find_offloadbeginend): Replace with ...
18248         (find_crtoffloadtable): ... this.
18249         (run_gcc): Remove offload_argc and offload_argv.
18250         Get offload_objects_file_name from -foffload-objects=... option.
18251         Read names of object files with offload from this file, pass them to
18252         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
18253         don't pass offloadbegin and offloadend to the linker.  Don't pass
18254         offload non-LTO files to the linker, because now they're not claimed.
18256 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
18258         PR ipa/69630
18259         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
18260         on builtin_unreachable.
18262 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
18264         PR rtl-optimization/69896
18265         * regcprop.c: Include cfgrtl.h.
18266         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
18267         than remembered mode, either delete it (if noop_move_p), or
18268         treat like copy_p but not noop_p instruction.
18270 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
18272         PR debug/69705
18273         * dwarf2out.c (gen_variable_die): Work around buggy LTO
18274         - allow NULL decl for Fortran DW_TAG_common_block variables.
18276 2016-02-24  Jason Merrill  <jason@redhat.com>
18278         * common.opt (flifetime-dse): Add -flifetime-dse=1.
18280 2016-02-24  Richard Biener  <rguenther@suse.de>
18281             Jakub Jelinek  <jakub@redhat.com>
18283         PR middle-end/69760
18284         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
18285         conditionally executed ops to well-defined overflow behavior.
18287 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
18289         PR middle-end/69915
18290         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
18291         elements.
18293 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18295         PR rtl-optimization/69886
18296         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
18297         argument.  Use it when checking validity of set instructions.
18298         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
18299         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
18300         callsite.
18301         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
18302         * store-motion.c (find_moveable_store): Update
18303         can_assign_to_reg_without_clobbers_p callsite.
18305 2016-02-24  Richard Biener  <rguenther@suse.de>
18307         PR middle-end/68963
18308         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
18309         bogus check.
18310         (record_nonwrapping_iv): Do not fall back to the low/high bound
18311         for non-constant IV bases if the stmt is not always executed.
18313 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18315         * config/arm/arm-cores.def (cortex-a32): New entry.
18316         * config/arm/arm-tables.opt: Regenerate.
18317         * config/arm/arm-tune.md: Regenerate.
18318         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
18319         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
18320         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
18321         for -mcpu and -mtune.
18323 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18325         PR target/69875
18326         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
18327         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
18328         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
18329         (atomic_loaddi_1): Delete.
18330         (atomic_loaddi): Rewrite expander using the above changes.
18332 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
18334         PR c/69918
18335         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
18336         2 to 3.
18338 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
18339             Richard Biener  <rguenth@suse.de>
18341         PR middle-end/69909
18342         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
18343         set_mem_attributes if tem is SSA_NAME which got expanded
18344         as a MEM.
18346 2016-02-24  Richard Biener  <rguenther@suse.de>
18348         PR tree-optimization/69907
18349         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
18350         end of permutations for BB vectorization.
18352 2016-02-24  Christian Bruel  <christian.bruel@st.com>
18354         * config/arm/arm-c.c (arm_option_override): Initialize
18355         target_option_current_node.
18356         * config/arm/arm.c (arm_pragma_target_parse): Replace
18357         build_target_option_node call by target_option_current_node.
18358         Set target_option_current_node.
18359         Fix comments.
18361 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
18363         PR target/69810
18364         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
18365         define_insn_and_split to define_insn.
18366         (zero_extendqi<mode>2_dot2): Same.
18367         (extendqi<mode>2_dot): Same.
18368         (extendqi<mode>2_dot2): Same.
18370 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
18372         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
18373         and add bypass for AES{D,E} and AESMC pairs.
18374         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
18375         and AESMC pairs.
18377 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
18379         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
18380         series for reciprocal square root in Exynos M1.
18382 2016-02-23  Martin Sebor  <msebor@redhat.com>
18384         PR c/69759
18385         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
18386         __builtin_alloca_with_align.
18388 2016-02-23  Richard Henderson  <rth@redhat.com>
18390         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
18391         (ix86_register_pragmas): Remove __seg_tls.
18392         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
18393         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
18394         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
18395         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
18396         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
18397         * doc/extend.texi (__seg_tls): Remove item.
18399 2016-02-23  Richard Biener  <rguenther@suse.de>
18401         * alloc-pool.h (struct allocation_object): Make id member
18402         conditional on CHECKING_P again.
18403         (get_instance): Adjust.
18404         (base_pool_allocator): Likewise.
18406 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
18408         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
18409         (parallelize_loops): In OpenACC kernels mode, set n_threads to
18410         zero.
18411         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
18412         flag_openacc.
18413         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
18415 2016-02-23  Richard Biener  <rguenther@suse.de>
18417         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
18418         * bitmap.h (struct bitmap_usage): Likewise.
18419         (bitmap_move): Declare.
18420         * bitmap.c (register_overhead): Take size_t argument.
18421         (bitmap_move): New function.
18422         * df-problems.c (df_rd_transfer_function): Use bitmap_move
18423         to properly account overhead.
18424         * tree.c (free_node): Use tree_size.
18426 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
18428         PR c++/69902
18429         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
18430         when inverting comparison.
18432         PR c/69900
18433         * common.opt (Wunreachable-code): Add Warning flag.
18435 2016-02-23  Mark Wielaard  <mjw@redhat.com>
18436             Jakub Jelinek  <jakub@redhat.com>
18438         PR c/69911
18439         * cgraphunit.c (check_global_declaration): Check main_input_filename
18440         and DECL_SOURCE_FILE are not NULL.
18442 2016-02-23  Martin Jambor  <mjambor@suse.cz>
18444         PR tree-optimization/69666
18445         * tree-sra.c (sra_modify_assign): Do not attempt to create
18446         default_def replacements for unscalarizable regions.
18448 2016-02-20  Mark Wielaard  <mjw@redhat.com>
18450         PR c/28901
18451         * cgraphunit.c (check_global_declaration): Check level of
18452         warn_unused_const_variable and main_input_filename.
18453         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
18454         (-Wunused-variable): For C implies -Wunused-const-variable=1.
18455         (-Wunused-const-variable): Explain levels 1 and 2.
18457 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
18459         PR target/69888
18460         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
18461         identical arguments.  Formatting and spelling fixes.
18463         PR target/69885
18464         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
18465         be specified.
18467         PR target/69894
18468         PR target/69895
18469         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
18470         and m68k-devices.def.
18471         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
18472         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
18474 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
18476         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
18477         and HImode registers.
18479 2016-02-22  Richard Biener  <rguenther@suse.de>
18481         PR tree-optimization/69882
18482         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
18483         preserve permutations present because of gaps.
18484         (vect_supported_load_permutation_p): Always continue checking
18485         permutations after vect_attempt_slp_rearrange_stmts.
18487 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
18489         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
18490         min_profitable_estimate, rather than min_profitable_iters.
18492 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
18494         PR target/69885
18495         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
18496         SImode for last match_operand.
18498 2016-02-22  Martin Liska  <mliska@suse.cz>
18500         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
18501         return bitsize - 1 as the return value.
18503 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
18505         PR target/69806
18506         PR target/54089
18507         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
18508         Handle negative shift counts.
18509         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
18510         force_reg on the shift constant.
18511         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
18512         (lshrsi3_d): Handle negative shift counts.
18514 2016-02-22  Richard Biener  <rguenther@suse.de>
18515             Tom de Vries  <tom@codesourcery.com>
18517         * graph.c: Include dumpfile.h.
18518         (print_graph_cfg): Split into three overloads.
18519         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
18521 2016-02-22  Tom de Vries  <tom@codesourcery.com>
18523         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
18524         dump-fn.
18526 2016-02-22  Richard Biener  <rguenther@suse.de>
18528         PR ipa/37448
18529         * ipa-inline-transform.c (inline_call): When not updating
18530         overall summaries adjust self size by the growth estimate.
18531         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
18532         hash-set, do not update overall summaries here.  Renamed from ...
18533         (inline_to_all_callers): ... this which is now wrapping the
18534         above and performing delayed overall summary update.
18535         (early_inline_small_functions): Delay updating of the overall
18536         summary.
18538 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
18540         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
18541         variable.
18543 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
18545         PR driver/69805
18546         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
18547         :%* in %:gt() argument.
18548         (greater_than_spec_func): Adjust for expecting only numbers,
18549         if there are more than two numbers, compare the last two.
18551 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
18553         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
18554         -Wnarrowing with -std.
18556 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
18558         PR c++/69851
18559         * expr.c (store_field): Don't use bit-field path if exp is
18560         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
18561         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
18562         and the assignment can be performed by bitwise copy.  Formatting
18563         fix.
18565         PR middle-end/69838
18566         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
18567         call copy_reg_eh_region_note_forward on before and/or after sequences
18568         and remove note from insn if it no longer can throw.
18570         PR target/69820
18571         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
18572         if TARGET_AVX512BW.
18574 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18576         * config/s390/vector.md: Add missing commutative operand markers
18577         to the patterns which qualify for one.
18578         * config/s390/vx-builtins.md: Likewise.
18580 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18582         * config/s390/vector.md (VI, VI_QHS): Add single element vector
18583         types to mode iterators.
18584         (vec_double): ... and mode attribute.
18585         * config/s390/vx-builtins.md (non_vec_int): Likewise.
18587 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18589         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
18590         Change the predicate of op2 from nonimmediate to general and let
18591         reload fix it if necessary.
18593 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18595         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
18597 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18599         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
18600         mode.
18602 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18604         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
18605         * config/s390/s390.c (s390_expand_vec_movstr): New function.
18606         * config/s390/s390.md ("movstr<P:mode>"): Call
18607         s390_expand_vec_movstr.
18609 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18611         * config/s390/s390.md: Add missing output modifier for operand 1
18612         to print it as address properly.
18614 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18616         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
18617         * config/s390/2964.md: New file.
18618         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
18619         of insn grouping attributes depending on the CPU level.
18620         (s390_get_unit_mask): New function.
18621         (s390_sched_score): Remove the OOO from the scheduling macros.
18622         Add loop to calculate a score for the instruction mix.
18623         (s390_sched_reorder): Likewise plus improve debug output.
18624         (s390_sched_variable_issue): Rename macros as above.  Calculate
18625         the unit distances after actually scheduling an insn.  Improve
18626         debug output.
18627         (s390_sched_init): Clear last_scheduled_unit_distance array.
18628         * config/s390/s390.md: Include 2964.md.
18630 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
18632         PR target/69671
18633         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
18634         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
18635         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
18636         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
18637         *avx512f_<code>v8div16qi2_mask_1): New insns.
18639 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
18641         PR target/68404
18642         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
18643         2016-02-09 change.
18645         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
18646         earlyclobber from target.  Use wF constraint for fused memory
18647         address.
18648         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
18650 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
18651             Martin Liska  <mliska@suse.cz>
18653         PR sanitizer/69863
18654         * cfgexpand.c (asan_sanitize_stack_p): New function.
18655         (partition_stack_vars): Use the function.
18656         (expand_stack_vars): Likewise.
18657         (defer_stack_allocation): Likewise.
18658         (expand_used_vars): Likewise.
18660 2016-02-18  Richard Biener  <rguenther@suse.de>
18662         PR middle-end/69553
18663         * fold-const.c (operand_equal_p): Properly compare offsets for
18664         IMAGPART_EXPR and ARRAY_REF.
18666 2016-02-18  Nick Clifton  <nickc@redhat.com>
18668         PR target/62254
18669         PR target/69610
18670         * config/arm/arm.c (arm_option_override_internal): Disable
18671         interworking if the target does not support thumb instructions.
18672         (arm_reload_in_hi): Handle the case where a register to register
18673         move needs reloading because there is no simple pattern to handle
18674         it.
18675         (arm_reload_out_hi): Likewise.
18677 2016-02-18  Richard Biener  <rguenther@suse.de>
18679         PR middle-end/69854
18680         * match.pd: Don't use fold_binary or fold_unary for folding
18681         constants.
18683 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
18685         PR c++/69850
18686         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
18687         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
18688         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
18689         warn on gimple_no_warning_p statements.
18691 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
18693         * doc/extend.texi (C++ Attributes): Correct description of
18694         warn_unused type attribute.
18696 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18698         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
18699         correct instruction.
18701 2016-02-17  Richard Biener  <rguenther@suse.de>
18703         PR rtl-optimization/69609
18704         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
18705         (find_traces_1_round): When ending a trace update cached priority
18706         of successors.
18707         (bb_to_key): Use cached priority when available.
18708         (copy_bb): Initialize cached priority.
18709         (reorder_basic_blocks_software_trace_cache): Likewise.
18711 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18713         PR target/69161
18714         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
18715         New predicate.
18716         (aarch64_comparison_operator): Break overly long line into two.
18717         (aarch64_comparison_operation): Likewise.
18718         * config/aarch64/aarch64.md (cstorecc4): Use
18719         aarch64_comparison_operator_mode instead of
18720         aarch64_comparison_operator.
18721         (cstore<mode>4): Likewise.
18722         (aarch64_cstore<mode>): Likewise.
18723         (*cstoresi_insn_uxtw): Likewise.
18724         (cstore<mode>_neg): Likewise.
18725         (*cstoresi_neg_uxtw): Likewise.
18727 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18729         PR target/69161
18730         * config/arm/predicates.md (arm_comparison_operator_mode):
18731         New predicate.
18732         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
18733         instead of arm_comparison_operator.
18734         (*mov_negscc): Likewise.
18735         (*mov_notscc): Likewise.
18736         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
18737         (*thumb2_mov_negscc): Likewise.
18738         (*thumb2_mov_negscc_strict_it): Likewise.
18739         (*thumb2_mov_notscc): Likewise.
18740         (*thumb2_mov_notscc_strict_it): Likewise.
18742 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
18744         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
18745         Add missing return.
18747 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
18749         * config/visium/visium.c (machine_libfunc_index): New enum.
18750         (machine_libfuncs): New structure.
18751         (visium_libfuncs): New static variable.
18752         (TARGET_INIT_LIBFUNCS): Define to...
18753         (visium_init_libfuncs): ...this.  New function.
18754         (expand_block_move_4): Use the appropriate libfunc.
18755         (expand_block_move_2): Likewise.
18756         (expand_block_move_1): Likewise.
18757         (expand_block_set_4): Likewise.
18758         (expand_block_set_2): Likewise.
18759         (expand_block_set_1): Likewise.
18760         (visium_trampoline_init): Likewise.
18762 2016-02-17  Nick Clifton  <nickc@redhat.com>
18764         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
18765         TI's devices.csv file as of March 2016.
18767 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18769         PR Target/48344
18770         * opts-global.c (handle_common_deferred_options): Introduce and
18771         initialize two global variables to remember command-line options
18772         specifying a stack-limiting register.
18773         * opts.h: Add extern declarations of the two new global variables.
18774         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
18775         variable based on the values of the two new global variables.
18777 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
18779         PR c/69835
18780         * common.opt (Wnonnull-compare): New warning.
18781         * doc/invoke.texi (-Wnonnull): Remove text about comparison
18782         of arguments against NULL.
18783         (-Wnonnull-compare): Document.
18784         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
18785         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
18786         * passes.def (pass_warn_nonnull_compare): Add.
18787         * gimple-ssa-nonnull-compare.c: New file.
18789 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
18791         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
18792         AARCH64_EXTRA_TUNE_RECIP_SQRT.
18794 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
18796         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
18797         reciprocal sqrt for -mlow-precision-recip-sqrt.
18799 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
18800             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18802         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
18803         always use lane loads to construct non-constant vectors.
18805 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
18807         * config/aarch64/aarch64.md
18808         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
18809         constraints for operand 3.
18810         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
18812 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
18813             Richard Biener  <rguenther@suse.de>
18815         PR tree-optimization/69820
18816         * tree-vect-patterns.c (type_conversion_p): Return false if
18817         *orig_type is unsigned single precision or boolean.
18818         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
18819         Formatting fix.
18821 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
18823         PR rtl-optimization/69764
18824         PR rtl-optimization/69771
18825         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
18826         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
18828 2016-02-16  Richard Biener  <rguenther@suse.de>
18830         PR tree-optimization/69776
18831         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
18832         sets from caller.
18833         (indirect_refs_may_alias_p): Likewise.
18834         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
18835         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
18836         according to tbaa_p.
18837         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
18838         (optimize_stmt): For redundant store discovery do not allow tbaa.
18840 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
18842         PR tree-optimization/69714
18843         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
18844         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
18846 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
18848         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
18849         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
18850         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
18851         * config/arc/arc.c (arc_init): Check FPU options.
18852         (get_arc_condition_code): Handle new CC_FPU* modes.
18853         (arc_select_cc_mode): Likewise.
18854         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
18855         register pair only. Allow access for ARCv2 accumulator.
18856         (gen_compare_reg): Whenever we have FPU support use FPU compare
18857         instructions.
18858         (arc_reorg): Don't generate brcc insns when FPU compare
18859         instructions are involved.
18860         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
18861         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
18862         floating point emulation.
18863         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
18864         (REVERSE_CONDITION): Add new CC_FPU* modes.
18865         (TARGET_FP_SP_BASE): Define.
18866         (TARGET_FP_DP_BASE): Likewise.
18867         (TARGET_FP_SP_FUSED): Likewise.
18868         (TARGET_FP_DP_FUSED): Likewise.
18869         (TARGET_FP_SP_CONV): Likewise.
18870         (TARGET_FP_DP_CONV): Likewise.
18871         (TARGET_FP_SP_SQRT): Likewise.
18872         (TARGET_FP_DP_SQRT): Likewise.
18873         (TARGET_FP_DP_AX): Likewise.
18874         * config/arc/arc.md (ARCV2_ACC): New constant.
18875         (type): New fpu type attribute.
18876         (SDF): Conditional iterator.
18877         (cstore<mode>, cbranch<mode>): Change expand condition.
18878         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
18879         handles FPU/FPX cases as well.
18880         * config/arc/arc.opt (mfpu): New option.
18881         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
18882         Renamed.
18883         (adddf3, muldf3, subdf3): Removed.
18884         * config/arc/predicates.md (proper_comparison_operator): Recognize
18885         CC_FPU* modes.
18886         * config/arc/fpu.md: New file.
18887         * doc/invoke.texi (ARC Options): Document mfpu option.
18889 2016-02-16  Richard Biener  <rguenther@suse.de>
18891         PR rtl-optimization/69291
18892         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
18893         noce_operand_ok check.
18895 2016-02-16  Tom de Vries  <tom@codesourcery.com>
18897         PR lto/67709
18898         * omp-low.c (simd_clone_create): Remove call to
18899         symtab->call_cgraph_insertion_hooks.
18901 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
18903         PR tree-optimization/69802
18904         * tree-ssa-reassoc.c (update_range_test): If op is
18905         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
18906         op == 1 test of precision 1 integral op, otherwise handle
18907         that case as op itself.  Fix up formatting.
18908         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
18909         up formatting.
18911 2016-02-16  Richard Biener  <rguenther@suse.de>
18913         PR tree-optimization/69586
18914         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
18915         types for conversion sources.
18917 2016-02-16  Richard Biener  <rguenther@suse.de>
18919         PR middle-end/69801
18920         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
18921         mask OEP_ADDRESS_OF.
18923 2016-02-16  Alan Modra  <amodra@gmail.com>
18925         PR target/68973
18926         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
18927         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
18928         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
18929         (p8_mtvsrwz): New.
18930         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
18931         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
18932         (p8_fmrgow_<mode>): Likewise.
18933         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
18934         changes.
18935         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
18936         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
18937         to use movdi_internal64.  Remove op0_di.
18938         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
18940 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
18942         Add support for the FCCMP insn types
18944         * config/aarch64/aarch64.md (fccmp): Change insn type.
18945         (fccmpe): Likewise.
18946         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
18947         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
18948         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
18949         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
18950         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
18951         * config/arm/types.md (fccmps): Add new insn type.
18952         (fccmpd): Likewise.
18954 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18956         * alias.c (get_alias_set): Fix a typo in comment.
18958 2016-02-15  Richard Biener  <rguenther@suse.de>
18960         PR tree-optimization/69595
18961         * match.pd: Complete range test simplification to true.
18963 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
18965         PR rtl-optimization/69648
18966         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
18967         pic_offset_table_rtx.
18969         PR rtl-optimization/69752
18970         * ira.c (update_equiv_regs): When looking for more than a single SET,
18971         also take other side effects into account.
18973 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
18975         * config/s390/s390.c (s390_function_profiler): Add a new sequence
18976         for z900+ CPUs in 31-bit mode.
18978 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
18980         * common/config/s390/s390-common.c (s390_supports_split_stack):
18981         New function.
18982         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
18983         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
18984         * config/s390/s390.c (struct machine_function): New field
18985         split_stack_varargs_pointer.
18986         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
18987         in s390_emit_prologue.
18988         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
18989         vararg pointer.
18990         (morestack_ref): New global.
18991         (SPLIT_STACK_AVAILABLE): New macro.
18992         (s390_expand_split_stack_prologue): New function.
18993         (s390_live_on_entry): New function.
18994         (s390_va_start): Use split-stack vararg pointer if appropriate.
18995         (s390_asm_file_end): Emit the split-stack note sections.
18996         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
18997         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
18998         (UNSPECV_SPLIT_STACK_CALL): New unspec.
18999         (UNSPECV_SPLIT_STACK_DATA): New unspec.
19000         (split_stack_prologue): New expand.
19001         (split_stack_space_check): New expand.
19002         (split_stack_data): New insn.
19003         (split_stack_call): New expand.
19004         (split_stack_call_*): New insn.
19005         (split_stack_cond_call): New expand.
19006         (split_stack_cond_call_*): New insn.
19008 2016-02-15  Richard Biener  <rguenther@suse.de>
19010         PR tree-optimization/69783
19011         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
19012         Add trivially correct cases.
19014 2016-02-15  Tom de Vries  <tom@codesourcery.com>
19016         PR lto/69655
19017         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
19018         do_force_output.
19019         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
19021 2016-02-15  Richard Biener  <rguenther@suse.de>
19023         PR tree-optimization/69776
19024         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
19025         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
19026         indicate whether we can use TBAA to disambiguate against stores.
19027         Use alias-set zero if not.
19028         (visit_reference_op_store): Do not use TBAA when looking up
19029         redundant stores.
19030         * tree-ssa-pre.c (compute_avail): Use TBAA here.
19031         (eliminate_dom_walker::before_dom_children): But not when looking
19032         up redundant stores.
19034 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
19036         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
19038 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
19040         *  config/i386/znver1.md
19041         (znver1_pop, znver1_pop_mem,
19042         znver1_load_imov_double_store,
19043         znver1_load_imov_direct_store,
19044         znver1_load_imov_direct_load,
19045         znver1_load_imov_double_load): Add new.
19046         (znver1_insn, znver1_insn_load): Add icmov type.
19047         (znver1_sseavx_fma,
19048         znver1_sseavx_fma_load,
19049         znver1_avx256_fma,
19050         znver1_avx256_fma_load): Fix pipe usage.
19052 2016-02-14  Alan Modra  <amodra@gmail.com>
19054         PR target/68973
19055         * reload.c (find_reloads_address_1): For pre/post-inc/dec
19056         with an invalid hard reg, reload just the reg not the entire
19057         pre/post-inc/dec address expression.
19059 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
19061         PR target/67260
19062         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
19063         fixed R1_REG scratch reg.
19064         (sibcall_value_pcrel_fdpic): Likewise.
19066 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
19068         PR target/67636
19069         PR target/64345
19070         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
19072 2016-02-12  Walter Lee  <walt@tilera.com>
19074         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
19075         * config/tilegx/t-tilegx: Likewise.
19077 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
19079         PR other/69554
19080         * diagnostic-show-locus.c (struct line_span): New struct.
19081         (layout::get_first_line): Delete.
19082         (layout::get_last_line): Delete.
19083         (layout::get_num_line_spans): New member function.
19084         (layout::get_line_span): Likewise.
19085         (layout::print_heading_for_line_span_index_p): Likewise.
19086         (layout::get_expanded_location): Likewise.
19087         (layout::calculate_line_spans): Likewise.
19088         (layout::m_first_line): Delete.
19089         (layout::m_last_line): Delete.
19090         (layout::m_line_spans): New field.
19091         (layout::layout): Update comment.  Replace m_first_line and
19092         m_last_line with m_line_spans, replacing their initialization
19093         with a call to calculate_line_spans.
19094         (diagnostic_show_locus): When printing source lines and
19095         annotations, rather than looping over a single span
19096         of lines, instead loop over each line_span within
19097         the layout, with an inner loop over the lines within them.
19098         Call the context's start_span callback when changing line spans.
19099         * diagnostic.c (diagnostic_initialize): Initialize start_span.
19100         (diagnostic_build_prefix): Break out the building of the location
19101         part of the string into...
19102         (diagnostic_get_location_text): ...this new function, rewriting
19103         it from nested ternary expressions to a sequence of "if"
19104         statements.
19105         (default_diagnostic_start_span_fn): New function.
19106         * diagnostic.h (diagnostic_start_span_fn): New typedef.
19107         (diagnostic_context::start_span): New field.
19108         (default_diagnostic_start_span_fn): New prototype.
19110 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
19112         PR driver/69779
19113         * gcc.c (driver::finalize): Fix cleanup of "specs".
19115 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
19117         PR driver/69265
19118         PR driver/69453
19119         * gcc.c (driver::driver): Initialize m_option_suggestions.
19120         (driver::~driver): Clean up m_option_suggestions.
19121         (suggest_option): Convert to...
19122         (driver::suggest_option): ...this, and split out into
19123         driver::build_option_suggestions and find_closest_string.
19124         (driver::build_option_suggestions): New function, from
19125         first half of suggest_option.  Special-case
19126         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
19127         the sanitizer_opts array.  For options of enum types, add the
19128         various enum values to the candidate strings.
19129         (driver::handle_unrecognized_options): Remove "const".
19130         * gcc.h (driver::handle_unrecognized_options): Likewise.
19131         (driver::build_option_suggestions): New decl.
19132         (driver::suggest_option): New decl.
19133         (driver::m_option_suggestions): New field.
19134         * opts-common.c (add_misspelling_candidates): New function.
19135         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
19136         and make non-static.
19137         * opts.h (sanitizer_opts): New array decl.
19138         (add_misspelling_candidates): New function decl.
19139         * spellcheck.c (find_closest_string): New function.
19140         * spellcheck.h (find_closest_string): New function decl.
19142 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
19144         PR rtl-optimization/69764
19145         PR rtl-optimization/69771
19146         * optabs.c (expand_binop_directly): For shift_optab_p, force
19147         convert_modes with VOIDmode if xop1 has VOIDmode.
19149 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
19151         PR target/69729
19152         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
19153         to correctly determine instrumentation thunks.
19155 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
19157         PR ipa/69241
19158         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
19159         type by reference, force lhs on the call.
19161         PR ipa/68672
19162         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
19163         Compute retval and retbnd early in all cases if split_part_return_p
19164         and return_bb is not EXIT.  Remove all clobber stmts and reset
19165         all debug stmts that refer to SSA_NAMEs defined in split part,
19166         except if it is retval, in that case replace the old retval with the
19167         lhs of the call to the split part.
19169 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
19171         revert:
19172         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
19174         PR middle-end/66726
19175         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
19176         whose result is used in PHI.
19177         (maybe_optimize_range_tests): Likewise.
19178         (final_range_test_p): Likweise.
19180 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
19182         PR middle-end/66726
19183         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
19184         whose result is used in PHI.
19185         (maybe_optimize_range_tests): Likewise.
19186         (final_range_test_p): Likweise.
19188 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
19190         * cgraph.c: Spelling fixes - behaviour -> behavior and
19191         neighbour -> neighbor.
19192         * target.def: Likewise.
19193         * sel-sched.c: Likewise.
19194         * config/mips/mips.c: Likewise.
19195         * config/arc/arc.md: Likewise.
19196         * config/arm/cortex-a57.md: Likewise.
19197         * config/arm/arm.c: Likewise.
19198         * config/arm/neon.md: Likewise.
19199         * config/arm/arm-c.c: Likewise.
19200         * config/vms/vms-c.c: Likewise.
19201         * config/s390/s390.c: Likewise.
19202         * config/i386/znver1.md: Likewise.
19203         * config/i386/i386.c: Likewise.
19204         * config/ia64/hpux-unix2003.h: Likewise.
19205         * config/msp430/msp430.md: Likewise.
19206         * config/rx/rx.c: Likewise.
19207         * config/rx/rx.md: Likewise.
19208         * config/aarch64/aarch64-simd.md: Likewise.
19209         * config/aarch64/aarch64.c: Likewise.
19210         * config/nvptx/nvptx.c: Likewise.
19211         * config/bfin/bfin.c: Likewise.
19212         * config/cris/cris.opt: Likewise.
19213         * config/rs6000/rs6000.c: Likewise.
19214         * target.h: Likewise.
19215         * spellcheck.c: Likewise.
19216         * ira-build.c: Likewise.
19217         * tree-inline.c: Likewise.
19218         * builtins.c: Likewise.
19219         * lra-constraints.c: Likewise.
19220         * explow.c: Likewise.
19221         * hwint.h: Likewise.
19222         * targhooks.c: Likewise.
19223         * tree-vect-data-refs.c: Likewise.
19224         * expr.c: Likewise.
19225         * doc/tm.texi: Likewise.
19226         * doc/extend.texi: Likewise.
19227         * doc/install.texi: Likewise.
19228         * doc/md.texi: Likewise.
19229         * tree-ssa-tail-merge.c: Likewise.
19230         * sched-int.h: Likewise.
19231         * match.pd: Likewise.
19232         * sched-ebb.c: Likewise.
19233         * target.def (omit_struct_return_reg): Likewise.
19234         * gimple-ssa-isolate-paths.c: Likewise.
19235         (find_implicit_erroneous_behaviour): Renamed to...
19236         (find_implicit_erroneous_behavior): ... this.
19237         (find_explicit_erroneous_behaviour): Renamed to...
19238         (find_explicit_erroneous_behavior): ... this.
19239         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
19241 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
19243         PR rtl-optimization/64682
19244         PR rtl-optimization/69567
19245         PR rtl-optimization/69737
19246         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
19247         in I2 as well, just lose it.
19249 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19251         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
19252         New variable.
19253         (aarch64_last_printed_tune_string): Likewise.
19254         (aarch64_declare_function_name): Only output .arch assembler
19255         directive if it will be different from the previously output
19256         directive.  Same for .tune comment but only if -dA is set.
19257         (aarch64_start_file): New function.
19258         (TARGET_ASM_FILE_START): Define.
19260 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
19262         PR plugins/69758
19263         * Makefile.in (PLUGIN_HEADERS): Add params.list.
19265 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
19267         PR target/65313
19268         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
19269         -Wmaybe-uninitialized warning.
19271 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
19273         PR target/69713
19274         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
19276 2016-02-11  Richard Biener  <rguenther@suse.de>
19278         PR rtl-optimization/69291
19279         * ifcvt.c (noce_try_store_flag_constants): Do not allow
19280         subexpressions affected by changing the result.
19282 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
19284         PR target/69148
19285         * lra-constraints.c (curr_insn_transform): Find in/out operands
19286         for secondary memory moves.  Update dups.
19288 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
19290         PR tree-optimization/69652
19291         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
19292         to nested loop, did source re-formatting, skip debug statements,
19293         add check on statement with volatile operand, remove dead scalar
19294         statements.
19296 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
19297             Patrick Palka  <ppalka@gcc.gnu.org>
19299         PR ipa/69241
19300         PR c++/69649
19301         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
19302         calls if the return type is TREE_ADDRESSABLE.
19303         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
19304         * ipa-split.c (split_function): Fix doubled "we" in comment.
19305         Use void return type for the split part even if
19306         !split_point->split_part_set_retval.
19308 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
19310         PR tree-optimization/68021
19311         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
19312         when computing the value of biv cand by itself.
19314 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
19316         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
19317         (cortexa57_tunings): Likewise.
19318         (cortexa72_tunings): Likewise.
19319         (arch_macro_fusion_pair_p): Add support for AES fusion.
19320         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
19321         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
19322         Allow virtual registers before reload so early scheduling works.
19323         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
19324         correct latency and pipeline.
19325         (cortex_a57_crypto_complex): Likewise.
19326         (cortex_a57_crypto_xor): Likewise.
19327         (define_bypass): Add AES bypass.
19329 2016-02-10  Richard Biener  <rguenther@suse.de>
19331         PR tree-optimization/69726
19332         * passes.def: Add DCE pass before late uninit.
19333         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
19334         really fixup if-conversions job.
19336 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
19338         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
19339         (arm_cortex_a57_tune): Likewise.
19340         (aarch_macro_fusion_pair_p): Add support for AES fusion.
19341         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
19343 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
19345         * timevar.def (TV_PHASE_DBGINFO): Delete.
19346         (TV_PHASE_CHECK_DBGINFO): Likewise.
19347         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
19349 2016-02-10  Richard Biener  <rguenther@suse.de>
19351         PR tree-optimization/69719
19352         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
19353         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
19355 2016-02-09  Andrew Pinski  <apinski@cavium.com>
19357         PR tree-opt/69282
19358         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
19359         get_vcond_mask_icode returns false.
19361 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
19363         PR target/68404
19364         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
19365         an ADDIS that adds a pointer to a large constant that sets the
19366         upper16 bits with a load operation.
19368 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
19370         PR target/68532
19371         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
19372         order.
19373         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
19374         endian.
19375         (vzipq_s16): Likewise.
19376         (vzipq_s32): Likewise.
19377         (vzipq_f32): Likewise.
19378         (vzipq_u8): Likewise.
19379         (vzipq_u16): Likewise.
19380         (vzipq_u32): Likewise.
19381         (vzipq_p8): Likewise.
19382         (vzipq_p16): Likewise.
19384 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
19386         PR target/68532
19387         * config/arm/arm.c (neon_endian_lane_map): New function.
19388         (neon_vector_pair_endian_lane_map): New function.
19389         (arm_evpc_neon_vuzp): Allow for big endian lane order.
19390         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
19391         endian.
19392         (vuzpq_s16): Likewise.
19393         (vuzpq_s32): Likewise.
19394         (vuzpq_f32): Likewise.
19395         (vuzpq_u8): Likewise.
19396         (vuzpq_u16): Likewise.
19397         (vuzpq_u32): Likewise.
19398         (vuzpq_p8): Likewise.
19399         (vuzpq_p16): Likewise.
19401 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
19403         PR target/69634
19404         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
19405         debug insns.
19407 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
19409         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
19410         truncate const_int operand 1 to QImode.
19412 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
19414         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
19415         corresponding to an abnormal edge.
19417 2016-02-09  Tom de Vries  <tom@codesourcery.com>
19419         PR tree-optimization/69599
19420         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
19421         function.
19422         (find_func_aliases_for_builtin_call, find_func_clobbers)
19423         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
19424         partition.
19426 2016-02-09  Richard Biener  <rguenther@suse.de>
19428         PR tree-optimization/69715
19429         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
19430         LHS on calls as non-rewritable.
19432 2016-02-09  Tom de Vries  <tom@codesourcery.com>
19434         PR lto/69707
19435         * lto-wrapper.c (append_diag_options): New function.
19436         (compile_offload_image): Call append_diag_options.
19438 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
19440         PR other/69722
19441         * doc/extend.texi (Flag Output Operands): Correct sectioning.
19442         Minor copy-edit to fix verb tenses.
19444 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
19446         PR tree-optimization/69209
19447         * ipa-split.c (split_function): If split part is not
19448         returning retval, retval has gimple type but is not
19449         gimple value, force it into a SSA_NAME first.
19451 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
19453         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
19454         outdated section.
19456 2016-02-08  Jason Merrill  <jason@redhat.com>
19458         PR c++/69631
19459         * convert.c (convert_to_integer_1): Check dofold on truncation
19460         distribution.
19461         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
19462         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
19463         Rename from *_nofold.
19464         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
19465         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
19467 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
19469         PR target/60410
19470         * tree.c (build_common_tree_nodes): Remove short_double argument.
19471         All callers changed.
19472         * tree.h (build_common_tree_nodes): Adjust declaration.
19473         * doc/invoke.texi (-fshort-double): Remove documentation.
19474         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19475         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
19476         * lto-wrapper.c (merge_and_complain, append_compiler_options)
19477         (append_linker_options): Don't handle OPT_fshort_double.
19479         PR rtl-optimization/68730
19480         * lra-remat.c (insn_to_cand_activation): New static variable.
19481         (lra_remat): Allocate and free it.
19482         (create_cand): New arg activation. Initialize a field in
19483         insn_to_cand_activation if it is nonnull.
19484         (create_cands): Pass the activation insn to create_cand when making
19485         a candidate involving an output reload.  Reorganize code a little.
19486         (do_remat): Keep track of active status of candidates in a separate
19487         bitmap.
19489 2016-02-08  Richard Biener  <rguenther@suse.de>
19491         PR tree-optimization/69719
19492         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
19493         Properly use absolute of the difference of the two offsets to
19494         compare or adjust the segment length.
19496 2016-02-08  Richard Biener  <rguenther@suse.de>
19497             Jeff Law  <law@redhat.com>
19499         PR target/68273
19500         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
19501         types for anonymous SSA names.
19503 2016-02-08   Richard Biener  <rguenther@suse.de>
19505         PR rtl-optimization/69274
19506         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
19508 2016-02-08  Jeff Law  <law@redhat.com>
19510         PR tree-optimization/65917
19511         * tree-ssa-dom.c (record_temporary_equivalences): Record both
19512         equivalences from if (x == y) style conditionals.
19513         (loop_depth_of_name): Remove.
19514         (record_equality): Remove loop depth check.
19515         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
19516         (const_and_copies::record_const_or_copy_raw): New member function.
19517         * tree-ssa-scopedtables.c
19518         (const_and_copies::record_const_or_copy_raw): New, factored out of
19519         (const_and_copies::record_const_or_copy): Call new member function.
19521 2016-02-05  Jeff Law  <law@redhat.com>
19523         PR tree-optimization/68541
19524         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
19525         (count_stmts_in_block): New function.
19526         (poor_ifcvt_candidate_code): Likewise.
19527         (is_feasible_trace): Add some heuristics to determine when path
19528         splitting is profitable.
19529         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
19530         is a diamond with a single exit.
19532 2016-02-05  Martin Sebor  <msebor@redhat.com>
19534         PR c++/69662
19535         * doc/invoke.texi: Update -Wplacement-new to take an optional
19536         argument.
19538 2016-02-06  Richard Henderson  <rth@redhat.com>
19540         PR c/69643
19541         * tree.c (tree_nop_conversion_p): Do not strip casts into or
19542         out of non-standard address spaces.
19544 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
19546         PR rtl-optimization/69691
19547         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
19549 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
19551         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
19552         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
19553         (*ieee128_mfvsrd_64bit): Likewise.
19554         (*ieee128_mfvsrd_32bit): Likewise.
19556 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
19558         PR target/69369
19559         Revert r232560:
19560         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
19562         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
19563         instrumented_version.
19565 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
19567         * doc/invoke.texi (Optimize Options): In table of --param options
19568         rename second occurrence of tracer-min-branch-ratio to
19569         tracer-min-branch-probability, rename
19570         tracer-min-branch-ratio-feedback to
19571         tracer-min-branch-probability-feedback and clarify description,
19572         rename sched-spec-state-edge-prob-cutoff to
19573         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
19574         to selsched-insns-to-rename, rename lto-minpartition to
19575         lto-min-partition, delete reorder-blocks-duplicate and
19576         reorder-blocks-duplicate-feedback.
19578 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19580         * config/s390/s390.c (s390_register_info_set_ranges): Remove
19581         superfluous loops.
19583 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19585         * doc/extend.texi: S/390: Correct some typos.
19587 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19589         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
19591 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19593         PR target/69625
19594         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
19595         (s390_register_info_gprtofpr): Use new macros above.
19596         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
19597         its name.
19598         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
19599         its name.  Adjust restore and save gpr ranges.
19600         (s390_register_info_set_ranges): New function.
19601         (s390_register_info): Use new macros above.  Call
19602         s390_register_info_set_ranges.
19603         (s390_optimize_register_info): Likewise.
19604         (s390_hard_regno_rename_ok): Use new macros.
19605         (s390_hard_regno_scratch_ok): Likewise.
19606         (s390_emit_epilogue): Likewise.
19607         (s390_can_use_return_insn): Likewise.
19608         (s390_optimize_prologue): Likewise.
19609         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
19611 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
19613         PR bootstrap/69677
19614         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
19615         alignment fixes.
19616         (ix86_option_override_internal): Disable TARGET_STV even for
19617         -m{incoming,preferred}-stack-boundary=3.
19619 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
19621         * config.gcc: Mark deprecated rtems targets as obsolete.
19623 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
19625         PR rtl-optimization/64682
19626         PR rtl-optimization/69567
19627         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
19628         before I2 only if the register is both used and set in I2.
19630 2016-02-04  DJ Delorie  <dj@redhat.com>
19632         * config/msp430/msp430.c (msp430_start_function): Add function type.
19634 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
19636         PR fortran/69368
19637         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
19639 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
19641         PR rtl-optimization/69577
19642         Revert:
19643         2015-10-29  Richard Henderson  <rth@redhat.com>
19645         PR target/68124
19646         PR rtl-opt/67609
19647         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
19648         sse check to the exact conditions of PR 67609.
19650 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
19652         PR target/69667
19653         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
19654         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
19655         not allowed into the traditional Altivec registers.
19656         (movtd_64bit_nodm): Likewise.
19657         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
19659 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
19661         * config/aarch64/cortex-a57-fma-steering.c
19662         (aarch64_register_fma_steering): Remove "static" from arguments
19663         to register_pass.
19665 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
19667         PR target/69619
19668         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
19669         twice when complex.
19671 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
19673         * doc/invoke.texi: Delete -mno-fma4.
19675 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
19677         PR rtl-optimization/69577
19678         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
19679         (find_subregs_of_mode): Update accordingly.  Iterate over partial
19680         definitions.
19682 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
19684         * config/arm/arm-protos.h (neon_reinterpret): Remove.
19685         * config/arm/arm.c (neon_reinterpret): Remove.
19686         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
19687         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
19688         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
19689         vreinterpretti): Remove.
19690         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
19691         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
19692         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
19693         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
19694         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
19695         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
19696         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
19697         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
19698         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
19699         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
19700         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
19701         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
19702         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
19703         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
19704         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
19705         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
19706         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
19707         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
19708         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
19709         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
19710         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
19711         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
19712         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
19713         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
19714         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
19715         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
19716         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
19717         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
19718         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
19719         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
19720         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
19721         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
19722         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
19723         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
19724         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
19725         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
19726         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
19727         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
19728         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
19729         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
19730         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
19731         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
19732         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
19733         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
19734         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
19735         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
19736         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
19737         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
19738         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
19739         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
19740         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
19741         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
19742         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
19743         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
19744         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
19745         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
19746         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
19747         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
19748         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
19749         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
19750         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
19751         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
19752         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
19753         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
19754         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
19755         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
19756         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
19757         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
19758         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
19759         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
19760         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
19761         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
19762         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
19763         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
19764         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
19765         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
19766         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
19767         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
19768         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
19769         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
19770         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
19771         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
19772         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
19773         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
19774         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
19775         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
19776         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
19777         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
19778         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
19779         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
19780         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
19781         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
19782         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
19783         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
19784         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
19785         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
19786         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
19787         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
19788         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
19789         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
19790         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
19791         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
19792         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
19794 2016-02-04  Martin Liska  <mliska@suse.cz>
19796         PR sanitizer/69276
19797         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
19798         that are gimple_store_p.
19799         (maybe_instrument_call): Likewise.
19801 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
19803         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
19804         register scaling out of memory reference and comment why.
19806 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19808         PR target/65932
19809         PR target/67714
19810         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
19811         folding the source of a SET.
19813 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19815         PR target/65932
19816         PR target/67714
19817         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
19818         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
19820 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
19822         PR target/65932
19823         PR target/67714
19824         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
19825         HImode.
19827 2016-02-04  Christian Bruel  <christian.bruel@st.com>
19829         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
19830         * config/arm/arm.c (arm_set_current_function): Likewise.
19832 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
19833             Ilya Enkovich  <enkovich.gnu@gmail.com>
19834             H.J. Lu  <hongjiu.lu@intel.com>
19836         PR target/69454
19837         * config/i386/i386.c (convert_scalars_to_vector): Remove
19838         stack alignment fixes.
19839         (ix86_option_override_internal): Disable TARGET_STV if stack
19840         might not be aligned enough.
19841         (ix86_minimum_alignment): Assert that TARGET_STV is false.
19843 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
19845         * config/i386/x86-tune.def: Disable default prefetching
19846         for -march=znver1.
19848 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
19849             Vladimir Makarov  <vmakarov@redhat.com>
19851         PR target/69461
19852         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
19853         in validating fused toc addresses.
19855 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
19857         PR c/69627
19858         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
19859         range->m_caret fields if range->m_show_caret_p is false.
19861         PR target/69644
19862         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
19863         Force oldval into register if it does not satisfy reg_or_short_operand
19864         predicate.  Fix up formatting.
19866 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
19867             Alexandre Oliva  <aoliva@redhat.com>
19869         PR target/69461
19870         * lra-constraints.c (simplify_operand_subreg): Check additionally
19871         address validity after potential reloading.
19872         (process_address_1): Check insns validity.  In case of failure do
19873         nothing.
19875 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
19877         PR target/69118
19878         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
19879         Fix target.
19881 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
19883         * wide-int.cc (canonize_uhwi): New function.
19884         (wi::divmod_internal): Use it.
19886 2016-02-02  James Norris  <jnorris@codesourcery.com>
19888         * gimplify.c (omp_notice_variable): Add usage check.
19890 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
19892         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
19893         like LE, GE, LT, GT when emitting relational operator.
19895 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
19897         * ira-costs.c (find_costs_and_classes): Add extra argument.
19898         * target.def (ira_change_pseudo_allocno_class): Add parameter.
19899         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
19900         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
19901         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
19902         Add best_class parameter, and return it if not ALL_REGS.
19903         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
19904         Add parameter.
19905         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
19906         Update target hook.
19908 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
19910         * config/aarch64/aarch64.c
19911         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
19912         (aarch64_ira_change_pseudo_allocno_class): New function.
19914 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
19916         PR target/67032
19917         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
19919 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
19921         * config/avr/avr.c (avr_option_override): Set
19922         PARAM_ALLOW_STORE_DATA_RACES to 1.
19924 2016-02-02  Richard Biener  <rguenther@suse.de>
19926         PR tree-optimization/69595
19927         * match.pd: Add range test simplifications to true/false.
19929 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
19931         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
19932         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
19933         instead.
19935 2016-02-02  Richard Biener  <rguenther@suse.de>
19937         PR tree-optimization/69606
19938         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
19939         info on the result before moving a stmt.
19941 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
19943         PR middle-end/68542
19944         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
19945         branch with vector comparison.
19946         * config/i386/sse.md (VI48_AVX): New mode iterator.
19947         (define_expand "cbranch<mode>4): Add support for conditional branch
19948         with vector comparison.
19949         * tree-vect-loop.c (optimize_mask_stores): New function.
19950         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
19951         has_mask_store field of vect_info.
19952         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
19953         vectorized loops having masked stores after vec_info destroy.
19954         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
19955         correspondent macros.
19956         (optimize_mask_stores): Add prototype.
19958 2016-02-02  Alan Modra  <amodra@gmail.com>
19960         PR target/69548
19961         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
19962         allow subregs.
19964 2016-02-02  Alan Modra  <amodra@gmail.com>
19966         PR target/68662
19967         * config/rs6000/rs6000.c (need_toc_init): New var, set it
19968         whenever toc_label_name used.
19969         (rs6000_file_start): Don't set up toc section here,
19970         (rs6000_output_function_epilogue): do so here instead,
19971         (rs6000_xcoff_file_start): and here.
19972         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
19973         (load_toc_aix_di): Likewise.
19975 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
19977         PR rtl-optimization/69592
19978         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
19979         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
19980         (num_sign_bit_copies_binary_arith_p): New inline function.
19981         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
19983 2016-02-01  Jeff Law  <law@redhat.com>
19985         PR tree-optimization/69580
19986         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
19987         * tree-ssa-threadbackward.c
19988         (fsm_find_control_statement_thread_paths): Do not try to walk
19989         through large PHI nodes.
19991 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
19993         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
19994         when count is incremented above limit, don't analyze further
19995         insns afterwards.
19997         * omp-low.c (oacc_parse_default_dims): Avoid
19998         -Wsign-compare warning, make sure value fits into int
19999         rather than just unsigned int.
20001 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
20003         PR tree-optimization/67921
20004         * fold-const.c (split_tree): New parameters.  Convert pointer
20005         type variable part to proper type before negating.
20006         (fold_binary_loc): Pass new arguments to split_tree.
20008 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
20010         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
20011         (nvptx_goacc_validate_dims): Extend to handle global defaults.
20012         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
20013         * doc/tm.texti: Rebuilt.
20014         * doc/invoke.texi (fopenacc-dim): Document.
20015         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
20016         (append_compiler_options): Likewise.
20017         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
20018         (oacc_parse_default_dims): New.
20019         (oacc_validate_dims): Add USED arg.  Select non-unity default when
20020         possible.
20021         (oacc_loop_fixed_partitions): Return mask of used partitions.
20022         (oacc_loop_auto_partitions): Emit dump info.
20023         (oacc_loop_partition): Return mask of used partitions.
20024         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
20025         loop partitioning and validation calls.
20027 2016-02-01  Richard Biener  <rguenther@suse.de>
20029         PR middle-end/69556
20030         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
20032 2016-02-01  Richard Biener  <rguenther@suse.de>
20034         PR tree-optimization/69574
20035         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
20036         of asserting return chrec_dont_know.
20038 2016-02-01  Martin Liska  <mliska@suse.cz>
20040         * mem-stats-traits.h: Add copyright header.
20041         * mem-stats.h: Likewise.
20043 2016-02-01  Richard Biener  <rguenther@suse.de>
20045         PR tree-optimization/69579
20046         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
20047         Do not propagate through abnormal PHI results.
20049 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
20051         * postreload.c (reload_cse_simplify): Remove dead code.
20053 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
20055         PR rtl-optimization/69570
20056         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
20057         if there is more than one set, not if there is a single set.
20059 2016-02-01  Richard Henderson  <rth@redhat.com>
20061         PR rtl-opt/69535
20062         * combine.c (make_compound_operation): When looking through a
20063         subreg, make sure to re-extend to the width of the outer mode.
20065 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
20067         PR tree-optimization/69546
20068         * wide-int.cc (wi::divmod_internal): For unsigned division
20069         where both operands fit into uhwi, if o1 is 1 and o0 has
20070         msb set, if divident_prec is larger than bits per hwi,
20071         clear another quotient word and return 2 instead of 1.
20072         Similarly for remainder with msb in HWI set, if dividend_prec
20073         is larger than bits per hwi.
20075 2016-01-29  Martin Jambor  <mjambor@suse.cz>
20077         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
20078         Use short lowercase names.
20079         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
20080         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
20081         acq_rel one.  Protect warning agains segfaults if
20082         get_memory_order_name returns NULL.
20083         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
20084         with release semantics.  Do not warn if get_memory_order already did.
20085         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
20086         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
20087         if get_memory_order already did.
20089 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
20091         * doc/install.texi: Document that isl-0.16 is supported.
20093 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
20095         PR target/69299
20096         * config/i386/constraints.md (Bm): Describe as special memory
20097         constraint.
20098         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
20099         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
20100         * genpreds.c (struct constraint_data): Add is_special_memory.
20101         (have_special_memory_constraints, special_memory_start): New
20102         static vars.
20103         (special_memory_end): Ditto.
20104         (add_constraint): Add new arg is_special_memory.  Add code to
20105         process its true value.  Update have_special_memory_constraints.
20106         (process_define_constraint): Pass the new arg.
20107         (process_define_register_constraint): Ditto.
20108         (choose_enum_order): Process special memory.
20109         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
20110         function insn_extra_special_memory_constraint.
20111         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
20112         * gensupport.c (process_rtx): Process
20113         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
20114         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
20115         * ira-lives.c (single_reg_class): Use
20116         insn_extra_special_memory_constraint.
20117         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
20118         * lra-constraints.c (process_alt_operands): Ditto.
20119         (curr_insn_transform): Use insn_extra_special_memory_constraint.
20120         * recog.c (asm_operand_ok, preprocess_constraints): Process
20121         CT_SPECIAL_MEMORY.
20122         * reload.c (find_reloads): Ditto.
20123         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
20124         * stmt.c (parse_input_constraint): Use
20125         insn_extra_special_memory_constraint.
20127 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
20129         PR target/69530
20130         * lra-splill.c (lra_final_code_change): Revert r229087 by
20131         removing all sub-registers.
20133 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
20135         PR target/65604
20136         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
20138 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
20140         PR target/69551
20141         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
20142         SSE1, copy target into the temporary reg first before recursing
20143         on it.
20145 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
20147         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
20148         with vm.
20150 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
20152         * ginclude/stdarg.h: Test __cplusplus instead of
20153         __GXX_EXPERIMENTAL_CXX0X__.
20155 2016-01-29  Richard Biener  <rguenther@suse.de>
20157         PR tree-optimization/69547
20158         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
20159         Do not mark clobbers necessary.
20160         (mark_all_reaching_defs_necessary_1): Likewise.
20162 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
20164         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
20165         declaration name with %qs and print it in both error messages.
20166         Also fix indentation.
20168 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
20170         PR other/69006
20171         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
20172         trailing blank line from error message.
20174 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
20176         PR c++/69462
20177         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
20178         for C++-11.
20180 2016-01-29  Richard Biener  <rguenther@suse.de>
20182         PR middle-end/69537
20183         * match.pd: Allow all integral types when simplifying a
20184         widening or sign-changing conversion.
20186 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
20188         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
20189         back to setting codegen_error to fail codegen.
20191 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
20193         PR target/69459
20194         * config/i386/constraints.md (C): Only accept constant zero operand.
20195         (BC): New constraint.
20196         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
20197         instead of C constraint.
20198         * doc/md.texi (Machine Constraints): Update description
20199         of C constraint.
20201 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
20203         PR target/68400
20204         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
20206 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
20208         PR middle-end/69542
20209         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
20210         non-debug insns.
20212 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
20214         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
20215         branches if using guessed profile.
20217 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
20219         * graphite-optimize-isl.c (optimize_isl): Fix dump.
20221 2016-01-28  Richard Henderson  <rth@redhat.com>
20223         PR target/69305
20224         * config/aarch64/aarch64-modes.def (CC_Cmode): New
20225         * config/aarch64/aarch64-protos.h: Update.
20226         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
20227         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
20228         (aarch64_get_condition_code_1): Handle CC_Cmode.
20229         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
20230         (*add<mode>3_compareC_cconly_imm): New.
20231         (*add<mode>3_compareC_cconly): New.
20232         (*add<mode>3_compareC_imm): New.
20233         (add<mode>3_compareC): New.
20234         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
20235         to be first.  Use aarch64_carry_operation.
20236         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
20237         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
20238         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
20239         (subti3): Use subdi3_compare1.
20240         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
20241         (sub<mode>3_compare1): New.
20242         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
20243         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
20244         (*subsi3_carryin_uxtw): Likewise.
20245         (*ngc<mode>, *ngcsi_uxtw): Likewise.
20246         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
20247         * config/aarch64/iterators.md (DWI): New.
20248         * config/aarch64/predicates.md (aarch64_carry_operation): New.
20249         (aarch64_borrow_operation): New.
20251 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
20253         * graphite-optimize-isl.c (optimize_isl): Print a different debug
20254         message when isl does not return a valid schedule.
20256 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
20258         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
20259         Remove comments from class declarations: they are already in the code
20260         close by the defs.
20262 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
20264         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
20265         codegen_error_p.
20266         (ternary_op_to_tree): Same.
20267         (unary_op_to_tree): Same.
20268         (nary_op_to_tree): Same.
20269         (gcc_expression_from_isl_expr_op): Same.
20270         (gcc_expression_from_isl_expression): Same.
20271         (graphite_create_new_loop): Same.
20272         (graphite_create_new_loop_guard): Same.
20273         (build_iv_mapping): Same.
20274         (graphite_create_new_guard): Same.
20275         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
20276         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
20278 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
20280         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
20281         instead of setting codegen_error to fail codegen.
20283 2016-01-28  Jason Merrill  <jason@redhat.com>
20285         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
20287 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
20289         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
20290         Remove CONST_INT_P check in CCMP cost calculation.
20292 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
20294         * config/aarch64/aarch64.c (generic_vector_cost):
20295         Set vec_permute_cost.
20296         (cortexa57_vector_cost): Likewise.
20297         (exynosm1_vector_cost): Likewise.
20298         (xgene1_vector_cost): Likewise.
20299         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
20300         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
20301         Add vec_permute_cost entry.
20303 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
20305         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
20306         immediate as %1.
20307         (add<mode>3_compare0): Likewise.
20308         (addsi3_compare0_uxtw): Likewise.
20309         (add<mode>3nr_compare0): Likewise.
20310         (compare_neg<mode>): Likewise.
20311         (<optab><mode>3): Likewise.
20313 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
20315         * tree-vect-stmts.c (vectorizable_comparison): Add
20316         NULL check for vectype.
20318 2016-01-28  Richard Biener  <rguenther@suse.de>
20320         PR tree-optimization/69466
20321         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
20322         Account for PHIs we couldn't duplicate.
20324 2016-01-28  Martin Liska  <mliska@suse.cz>
20326         PR pch/68758
20327         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
20328         instead of ENABLE_VALGRIND_CHECKING.
20330 2016-01-27  Richard Henderson  <rth@redhat.com>
20332         PR rtl-opt/69447
20333         * lra-remat.c (subreg_regs): New.
20334         (dump_candidates_and_remat_bb_data): Dump it.
20335         (operand_to_remat): Reject if operand in subreg_regs.
20336         (set_bb_regs): Collect subreg_regs.
20337         (lra_remat): Init and free subreg_regs.  Compute
20338         calculate_local_reg_remat_bb_data before create_cands.
20340 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
20342         PR target/68986
20343         * config/i386/i386.c (ix86_update_stack_boundary): Don't
20344         change stack_alignment_needed for __tls_get_addr call.
20346 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
20348         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
20350 2016-01-27  Jeff Law  <law@redhat.com>
20352         PR tree-optimization/68398
20353         PR tree-optimization/69196
20354         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
20355         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
20356         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
20357         Only count PHIs in the last block in the path.  The others will
20358         const/copy propagate away.  Add heuristic to allow more irreducible
20359         subloops to be created when it is likely profitable to do so.
20361         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
20362         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
20363         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
20365 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
20367         PR lto/69254
20368         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
20369         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
20370         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
20371         * tree-streamer-in.c: Include asan.h.
20372         (streamer_get_builtin_tree): For builtins in sanitizer
20373         range call initialize_sanitizer_builtins and retry.
20375 2016-01-27  Ian Lance Taylor  <iant@google.com>
20377         * common.opt (fkeep-gc-roots-live): New undocumented option.
20378         * tree-ssa-loop-ivopts.c (add_candidate_1): If
20379         -fkeep-gc-roots-live, skip pointers.
20380         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
20381         NULL.
20383 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
20385         PR target/69512
20386         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
20387         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
20389 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
20391         PR target/68380
20392         * configure.ac: NetBSD provides SSP in its C library.
20393         * configure: Updated.
20395 2016-01-27  Richard Biener  <rguenther@suse.de>
20397         PR tree-optimization/69166
20398         * tree-vect-loop.c (vect_is_simple_reduction): Always check
20399         reduction code for commutativity / associativity.
20401 2016-01-27  Martin Jambor  <mjambor@suse.cz>
20403         PR tree-optimization/69355
20404         * tree-sra.c (analyze_access_subtree): Correct hole detection when
20405         total_scalarization fails.
20407 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
20409         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
20410         power9.
20412 2016-01-27  Christian Bruel  <christian.bruel@st.com>
20414         PR target/69245
20415         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
20416         Move arm_reset_previous_fndecl and set_target_option_current_node in
20417         the conditional part.  Call save_restore_target_globals.
20418         * config/arm/arm.c (arm_set_current_function):
20419         Refactor to better support #pragma target and attribute mix.
20420         Call save_restore_target_globals.
20421         * config/arm/arm-protos.h (save_restore_target_globals): New function.
20423 2016-01-27  Martin Liska  <mliska@suse.cz>
20425         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
20426         reference for an HSA kernel and its host function.
20428 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
20430         PR tree-optimization/69399
20431         * wide-int.h (wi::lrshift): For larger precisions, only
20432         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
20434 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
20436         * config/arc/predicates.md (proper_comparison_operator): Reject
20437         constant-constant comparison.
20439 2016-01-26  Tom de Vries  <tom@codesourcery.com>
20441         PR tree-optimization/69110
20442         * tree-data-ref.c (initialize_data_dependence_relation): Handle
20443         DR_NUM_DIMENSIONS == 0.
20445 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
20446             Sebastian Pop  <s.pop@samsung.com>
20448         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
20449         isl_ast_op_cond and isl_ast_op_select.
20450         (gcc_expression_from_isl_expr_op): Same.
20452 2016-01-26  Jason Merrill  <jason@redhat.com>
20454         PR c++/68782
20455         * tree.c (recompute_constructor_flags): Split out from
20456         build_constructor.
20457         (verify_constructor_flags): New.
20458         * tree.h: Declare them.
20460 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
20462         PR rtl-optimization/69217
20463         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
20464         are no TYPE_FIELDS set for the record type.
20466 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
20468         PR target/68662
20469         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
20470         toc_label_name unconditionally.
20471         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
20472         SYMBOL_REF string.  Use toc_label_name instead of constructing
20473         LCTOC1.
20474         (rs6000_elf_declare_function_name): Use toc_label_name instead of
20475         constructing LCTOC1.
20477 2016-01-26  Martin Sebor  <msebor@redhat.com>
20479         PR other/69477
20480         * doc/extend.texi (Common Type Attributes): Move text that talks about
20481         attribute packed from attribute aligned to the section discussing
20482         the former attribute for clarity.
20484 2016-01-26  Richard Henderson  <rth@redhat.com>
20486         PR middle-end/60908
20487         * trans-mem.c (tm_region_init): Mark entry block as visited.
20489 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
20491         PR other/69006
20492         * diagnostic-show-locus.c (layout::print_source_line): Replace
20493         call to pp_newline with call to layout::print_newline.
20494         (layout::print_annotation_line): Likewise.
20495         (layout::move_to_column): Likewise.
20496         (layout::print_any_fixits): After printing any fixits, print a
20497         trailing newline, if necessary.
20498         (layout::print_newline): New method, resetting any colorization
20499         before a newline.
20500         (diagnostic_show_locus): Move the pp_newline to before the
20501         early bailout.  Remove dummy block enclosing the layout instance.
20502         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
20503         of pp_newline_and_flush with pp_flush.
20504         (diagnostic_append_note): Delete use of pp_newline.
20505         (diagnostic_append_note_at_rich_loc): Delete.
20506         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
20507         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
20508         when newline characters are added to the buffer.
20510 2016-01-26  Michael Matz  <matz@suse.de>
20512         * configure.ac (ac_cv_std_swap_in_utility): New test.
20513         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
20514         * configure: Regenerate.
20515         * config.in: Regenerate.
20517 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
20519         * config/arc/arc.md (cstoresi4): Force operand into register.
20520         (arcset<code>): Fix predicate.
20521         (arcsetltu): Likewise.
20522         (arcsetgeu): Likewise.
20523         (arcsethi): Likewise.
20524         (arcsetls): Likewise.
20526 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
20528         PR tree-optimization/69483
20529         * gimple-fold.c (canonicalize_constructor_val): Return NULL
20530         if base has error_mark_node type.
20532 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
20534         PR target/68620
20535         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
20536         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
20537         New helper macros.
20538         (vget_lane_f16): Handle big-endian.
20539         (vgetq_lane_f16): Likewise.
20540         (vset_lane_f16): Likewise.
20541         (vsetq_lane_f16): Likewise.
20542         * config/arm/iterators.md (VQXMOV): Add V8HF.
20543         (VDQ): Add V4HF and V8HF.
20544         (V_reg): Handle V4HF and V8HF.
20545         (Is_float_mode): Likewise.
20546         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
20547         neon_vdup_nv8hf): New patterns.
20548         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
20549         Use VD_LANE iterator.
20550         (neon_vld1_dup<mode>): Use VQ2 iterator.
20552 2016-01-26  Nathan Sidwell  <nathan@acm.org>
20554         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
20555         (set_oacc_fn_attrib): Add IS_KERNEL arg.
20556         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
20557         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
20558         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
20559         (oacc_validate_dims): Add LEVEL arg, don't return level.
20560         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
20561         oacc_validate_dims.
20562         (execute_oacc_device_lower): Adjust, add more dump output.
20563         * tree-ssa-loop.c (gate_oacc_kernels): Use
20564         oacc_fn_attrib_kernels_p.
20565         * tree-parloops.c (create_parallel_loop): Adjust
20566         set_oacc_fn_attrib call.
20568 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
20570         PR lto/69254
20571         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
20572         (append_compiler_options): Handle -fcilkplus.
20573         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
20575 2016-01-26  Nick Clifton  <nickc@redhat.com>
20577         PR target/66655
20578         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
20579         been marked as DECL_ONE_ONLY but we do not the means to make it
20580         so, then do not allow it to bind locally.
20582 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
20584         PR lto/69254
20585         * opts.h (parse_sanitizer_options): New prototype.
20586         * opts.c (sanitizer_opts): New array.
20587         (parse_sanitizer_options): New function.
20588         (common_handle_option): Use parse_sanitizer_options.
20590 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
20592         PR target/68986
20593         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
20594         alignment adjustment to ...
20595         (ix86_update_stack_boundary): Here.  Don't over-align stack for
20596         __tls_get_addr.
20597         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
20598         if __tls_get_addr is called.
20600 2016-01-26  Christian Bruel  <christian.bruel@st.com>
20602         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
20604 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
20606         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
20608 2016-01-26  Richard Biener  <rguenther@suse.de>
20610         PR middle-end/69467
20611         * match.pd: Guard X * CST CMP 0 pattern with single_use.
20613 2016-01-26  Richard Biener  <rguenther@suse.de>
20615         PR tree-optimization/69452
20616         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
20617         (move_computations_dom_walker::before_dom_children): Rename
20618         to ...
20619         (move_computations_worker): This.
20620         (move_computations): Perform an RPO rather than a DOM walk.
20622 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
20624         PR target/69442
20625         * combine.c (combine_instructions): For REG_EQUAL note with
20626         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
20627         to the underlying register.
20628         * doc/rtl.texi (REG_EQUAL): Document the behavior of
20629         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
20631 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
20633         PR target/67896
20634         * config/aarch64/aarch64-builtins.c
20635         (aarch64_init_simd_builtin_types): Do not set structural
20636         equality to __Poly{8,16,64,128}_t types.
20638 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
20640         PR tree-optimization/69400
20641         * wide-int.cc (wi_pack): Take the precision as argument and
20642         perform canonicalization here rather than in the callers.
20643         Use the main loop to handle all full-width HWIs.  Add a
20644         zero HWI if in_len isn't a full result.
20645         (wi::divmod_internal): Update accordingly.
20646         (wi::mul_internal): Likewise.  Simplify.
20648 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
20649             Sebastian Pop  <s.pop@samsung.com>
20651         * graphite-poly.c (apply_poly_transforms): Simplify.
20652         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
20653         (print_isl_map): Same.
20654         (print_isl_union_map): Same.
20655         (print_isl_schedule): New.
20656         (debug_isl_schedule): New.
20657         * graphite-dependences.c (scop_get_reads): Do not call
20658         isl_union_map_add_map that is undocumented isl functionality.
20659         (scop_get_must_writes): Same.
20660         (scop_get_may_writes): Same.
20661         (scop_get_original_schedule): Remove.
20662         (scop_get_dependences): Do not call isl_union_map_compute_flow that
20663         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
20664         (compute_deps): Remove.
20665         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
20666         (debug_schedule_ast): New.
20667         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
20668         set_separate_option.
20669         (graphite_regenerate_ast_isl): Add dump.
20670         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
20671         from scop->transformed_schedule.
20672         (graphite_regenerate_ast_isl): Add more dump.
20673         * graphite-optimize-isl.c (optimize_isl): Set
20674         scop->transformed_schedule.  Check whether schedules are equal.
20675         (apply_poly_transforms): Move here.
20676         * graphite-poly.c (apply_poly_transforms): ... from here.
20677         (free_poly_bb): Static.
20678         (free_scop): Static.
20679         (pbb_number_of_iterations_at_time): Remove.
20680         (print_isl_ast): New.
20681         (debug_isl_ast): New.
20682         (debug_scop_pbb): New.
20683         * graphite-scop-detection.c (print_edge): Move.
20684         (print_sese): Move.
20685         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
20686         (build_scop_scattering): Remove.
20687         (create_pw_aff_from_tree): Assert instead of bailing out.
20688         (add_condition_to_pbb): Remove unused code, do not fail.
20689         (add_conditions_to_domain): Same.
20690         (add_conditions_to_constraints): Remove.
20691         (build_scop_context): New.
20692         (add_iter_domain_dimension): New.
20693         (build_iteration_domains): Initialize pbb->iterators.
20694         Call add_conditions_to_domain.
20695         (nested_in): New.
20696         (loop_at): New.
20697         (index_outermost_in_loop): New.
20698         (index_pbb_in_loop): New.
20699         (outermost_pbb_in): New.
20700         (add_in_sequence): New.
20701         (add_outer_projection): New.
20702         (outer_projection_mupa): New.
20703         (add_loop_schedule): New.
20704         (build_schedule_pbb): New.
20705         (build_schedule_loop): New.
20706         (embed_in_surrounding_loops): New.
20707         (build_schedule_loop_nest): New.
20708         (build_original_schedule): New.
20709         (build_poly_scop): Call build_original_schedule.
20710         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
20711         (free_poly_dr): Remove.
20712         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
20713         (free_poly_bb): Remove.
20714         (debug_loop_vec): Remove.
20715         (print_isl_ast): Declare.
20716         (debug_isl_ast): Declare.
20717         (scop_do_interchange): Remove.
20718         (scop_do_strip_mine): Remove.
20719         (scop_do_block): Remove.
20720         (flatten_all_loops): Remove.
20721         (optimize_isl): Remove.
20722         (pbb_number_of_iterations_at_time): Remove.
20723         (debug_scop_pbb): Declare.
20724         (print_schedule_ast): Declare.
20725         (debug_schedule_ast): Declare.
20726         (struct scop): Remove schedule.  Add original_schedule,
20727         transformed_schedule.
20728         (free_gimple_poly_bb): Remove.
20729         (print_generated_program): Remove.
20730         (debug_generated_program): Remove.
20731         (unify_scattering_dimensions): Remove.
20732         * sese.c (print_edge): ... here.
20733         (print_sese): ... here.
20734         (debug_edge): ... here.
20735         (debug_sese): ... here.
20736         * sese.h (print_edge): Declare.
20737         (print_sese): Declare.
20738         (dump_edge): Declare.
20739         (dump_sese): Declare.
20741 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
20742             Sebastian Pop  <s.pop@samsung.com>
20744         * Makefile.in: Set ISLVER in site.exp.
20746 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
20748         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
20749         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
20750         through DECL_VALUE_EXPR for expansion.
20752 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
20754         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
20755         the frame info after reload completed.
20757 2016-01-25  Jeff Law  <law@redhat.com>
20759         PR tree-optimization/69196
20760         PR tree-optimization/68398
20761         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
20762         tree-ssa-threadupdate.c.
20763         (determine_bb_domination_status): Prototype
20764         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
20765         (determine_bb_domination_status): No longer static.
20766         (valid_jump_thread_path): Remove code to detect characteristics
20767         of the jump thread path not associated with correctness.
20768         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
20769         Correct test for thread path length.  Count PHIs for real operands as
20770         statements that need to be copied.  Do not count ASSERT_EXPRs.
20771         Look at all the blocks in the thread path.  Compute and selectively
20772         filter thread paths based on threading through the latch, threading
20773         a multiway branch or crossing a multiway branch.
20775 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20777         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
20778         decl with __attribute__ ((unused)) annotation.
20780 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
20782         PR target/69421
20783         * tree-vect-stmts.c (vectorizable_condition): Check vectype
20784         of operands is compatible with a statement vectype.
20786 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
20788         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
20789         improve wording for mixed storage order support.
20791 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
20793         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
20794         (vcvt_u64_f64): Likewise.
20795         (vcvta_s64_f64): Likewise.
20796         (vcvta_u64_f64): Likewise.
20797         (vcvtm_s64_f64): Likewise.
20798         (vcvtm_u64_f64): Likewise.
20799         (vcvtn_s64_f64): Likewise.
20800         (vcvtn_u64_f64): Likewise.
20801         (vcvtp_s64_f64): Likewise.
20802         (vcvtp_u64_f64): Likewise.
20804 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
20806         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
20807         (arc_init): Check validity mll64 option.
20808         (arc_save_restore): Use double load/store instruction.
20809         (arc_expand_movmem): Likewise.
20810         (arc_split_move): Don't split if we have double load/store
20811         instructions. Returns a boolean.
20812         (arc_process_double_reg_moves): Change function to return boolean
20813         instead of a sequence of instructions.
20814         (arc_dwarf_register_span): New function.
20815         * config/arc/arc-protos.h (arc_split_move): Change prototype.
20816         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
20817         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
20818         (*movdf_insn): Likewise.
20819         * config/arc/arc.opt (mll64): New option.
20820         * config/arc/predicates.md (even_register_operand): New predicate.
20821         * doc/invoke.texi (ARC Options): Add mll64 documentation.
20823 2016-01-25  Richard Biener  <rguenther@suse.de>
20825         PR lto/69393
20826         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
20827         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
20828         DECL_NAMELESS.
20829         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
20831 2016-01-25  Richard Biener  <rguenther@suse.de>
20833         PR tree-optimization/69376
20834         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
20835         flag.
20836         (VN_INFO_ANTI_RANGE_P): New inline.
20837         (VN_INFO_RANGE_TYPE): Likewise.
20838         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
20839         SSA_NAME_ANTI_RANGE_P.
20840         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
20841         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
20842         Properly query VN_INFO_RANGE_TYPE.
20844 2016-01-25  Nick Clifton  <nickc@redhat.com>
20846         PR target/66655
20847         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
20849 2016-01-23  Tom de Vries  <tom@codesourcery.com>
20851         PR tree-optimization/69426
20852         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
20853         removed clobber.
20855 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
20857         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
20858         "the the" with "the" in the comments.
20859         * ipa-devirt.c (build_type_inheritance_graph,
20860         update_type_inheritance_graph): Likewise.
20861         * tree.c (build_function_type_list_1): Likewise.
20862         * cfgloopmanip.c (scale_loop_profile): Likewise.
20863         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
20864         * gimple-ssa-split-paths.c
20865         (find_block_to_duplicate_for_splitting_paths): Likewise.
20866         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
20867         * expr.c (convert_move): Likewise.
20868         * var-tracking.c (vt_stack_adjustments): Likewise.
20869         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
20870         * tree-vrp.c (test_for_singularity): Likewise.
20872         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
20873         directly instead of building a temporary tree.
20875         PR bootstrap/69434
20876         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
20877         remove <algorithm> include.
20879 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
20881         PR target/69432
20882         * config/i386/i386.c: Include dojump.h.
20883         (expand_small_movmem_or_setmem,
20884         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
20885         fixes.
20886         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
20887         if dynamic_check != -1.
20889 2016-01-21  Jeff Law  <law@redhat.com>
20891         PR middle-end/69347
20892         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
20893         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
20894         into dominated_by_p.
20895         (cprop_into_successor_phis): Avoid unnecessary tests.
20897 2016-01-22  Richard Henderson  <rth@redhat.com>
20899         PR target/69416
20900         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
20901         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
20903 2016-01-22  Michael Matz  <matz@suse.de>
20905         * system.h (string, algorithm): Include only conditionally.
20906         (new): Include always under C++.
20907         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
20908         * final.c (toplevel): Ditto.
20909         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
20910         * genconditions.c (write_header): Make gencondmd.c define
20911         INCLUDE_STRING.
20912         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
20914         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
20915         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
20917 2016-01-22  Christian Bruel  <christian.bruel@st.com>
20919         PR target/68674
20920         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
20922 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20924         PR target/69403
20925         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
20926         define_insn_and_split.  Ensure operands[1] and operands[0] do not
20927         get assigned the same register.
20929 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
20931         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
20933 2016-01-22  Christian Bruel  <christian.bruel@st.com>
20935         * config/arm/arm-c.c (arm_pragma_target_parse):
20936         Remove warn_builtin_macro_redefined overwrite.
20938 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
20940         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
20941         flag_non_call_exceptions compatibility.
20943 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
20945         PR debug/66668
20946         * dwarf2out.c (add_child_die_after): New function.
20947         (dwarf_qual_info_t): New type.
20948         (dwarf_qual_info): New variable.
20949         (qualified_die_p): New function.
20950         (modified_type_die): For -fdebug-types-section, ensure
20951         canonical order of qualifiers.  Put qualified DIEs adjacent
20952         to the corresponding non-qualified type DIE and search there
20953         for existing qualified DIEs.
20955 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
20957         * doc/extend.texi (scalar_storage_order type attribute): Document
20958         restriction on type punning and aliasing, and remove future tense.
20960 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
20962         PR target/69252
20963         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
20964         first stage.
20966 2016-01-21  Jeff Law  <law@redhat.com>
20968         PR middle-end/69347
20969         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
20970         useless call to record_temporary_equivalences.
20971         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
20972         allocate 10 slots in the bb_path vector and let it grow as needed.
20973         (fsm_find_control_statement_thread_paths): Similarly for the next_path
20974         vector.
20976 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
20978         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
20979         Detangle.
20980         * configure: Regenerate.
20982 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
20984         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
20985         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
20987 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
20989         PR middle-end/66178
20990         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
20991         drop EXPAND_INITIALIZER.
20992         * rtl.h (contains_symbolic_reference_p): Declare.
20993         * rtlanal.c (contains_symbolic_reference_p): New function.
20994         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
20995         a subtraction into a NOT if symbolic constants are involved.
20997 2016-01-21  Anton Blanchard  <anton@samba.org>
20998             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21000         PR target/63354
21001         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
21002         #define.
21003         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
21004         function.
21006 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
21008         * config/microblaze/microblaze.c
21009         (get_branch_target): New.
21010         (insert_wic_for_ilb_runout): New.
21011         (insert_wic): New.
21012         (microblaze_machine_dependent_reorg): New.
21013         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
21014         * config/microblaze/microblaze.md
21015         (UNSPEC_IPREFETCH): Define.
21016         (iprefetch): New pattern
21017         * config/microblaze/microblaze.opt
21018         (mxl-prefetch): New flag.
21020 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
21022         * config/microblaze/microblaze.h
21023         (FIXED_REGISTERS): Update in macro.
21024         (CALL_USED_REGISTERS): Update in macro.
21026 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
21028         PR rtl-optimization/68920
21029         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
21030         moves.
21032 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
21034         PR rtl-optimization/68990
21035         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
21036         pseudo instead of inheritance ones.
21038 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21039             Nick Clifton  <nickc@redhat.com>
21041         PR target/69129
21042         PR target/69012
21043         * config/mips/mips.c (mips_compute_frame_info): Initialise
21044         args_size and hard_frame_pointer_offset fields of the frame
21045         structure before calling mips_global_pointer.
21047 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
21049         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
21050         label reference.
21051         * configure: Regenerate.
21053 2016-01-21  Richard Biener  <rguenther@suse.de>
21055         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
21057 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
21059         * config/s390/s390.c (s390_asm_declare_function_size): Add code
21060         to actually emit the .size directive.
21062 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
21063              Jakub Jelinek  <jakub@redhat.com>
21065         PR target/69187
21066         PR target/65624
21067         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
21068         args array size by one to avoid buffer overflow.
21070 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
21072         * config/s390/s390.md (pool_section_start): Use switch_to_section
21073         to select proper read-only data section instead of hardcoding
21074         .rodata.
21075         (pool_section_end): Use switch_to_section to match the above.
21077 2016-01-21  Richard Biener  <rguenther@suse.de>
21079         PR tree-optimization/69378
21080         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
21081         (set_ssa_val_to): Use it for dominance checks taking into
21082         account not executable edges.
21084 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
21086         PR c++/69355
21087         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
21088         for bitsize instead of GET_MODE_PRECISION (mode).
21090 2016-01-20  Martin Sebor  <msebor@redhat.com>
21092         PR c/52291
21093         * extend.texi (__sync Builtins): Clarify the semantics of
21094         __sync_fetch_and_OP built-ins on pointers.
21095         (__atomic Builtins): Same.
21097 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21098             Sebastian Pop  <s.pop@samsung.com>
21100         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
21101         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
21102         (is_valid_rename): Same.
21103         (translate_isl_ast_to_gimple::get_rename): Same.
21104         (translate_isl_ast_to_gimple::rename_all_uses): Same.
21105         (translate_isl_ast_to_gimple::rename_uses): Same.
21106         (get_new_name): Check for close_phi nodes.
21107         (copy_loop_phi_args): Use phi_node_kind.
21108         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
21109         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
21111 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21112             Sebastian Pop  <s.pop@samsung.com>
21114         Revert commit r229783.
21115         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
21116         Remove use of parameter_rename_map.
21117         (copy_def): Remove.
21118         (copy_internal_parameters): Remove.
21119         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
21120         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
21121         (free_sese_info): Do not free parameter_rename_map.
21122         (set_rename): Do not use parameter_rename_map.
21123         (rename_uses): Update call to set_rename.
21124         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
21125         * sese.h (parameter_rename_map_t): Remove.
21126         (struct sese_info_t): Remove field parameter_rename_map.
21128 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21129             Sebastian Pop  <s.pop@samsung.com>
21131         * graphite-isl-ast-to-gimple.c: Fix comment.
21132         * graphite-scop-detection.c (defined_in_loop_p): New.
21133         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
21134         names defined in loop.
21136 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21137             Sebastian Pop  <s.pop@samsung.com>
21139         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
21140         Discard unstructured if-then-else regions.
21142 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21143             Sebastian Pop  <s.pop@samsung.com>
21145         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
21146         (cleanup_loop_iter_dom): Remove.
21147         (build_loop_iteration_domains): Remove.
21148         (build_scop_context): Remove.
21149         (build_scop_iteration_domain): Remove.
21150         (add_loop_constraints): New.
21151         (build_iteration_domains): New.
21152         (build_poly_scop): Call build_iteration_domains.
21154 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21155             Sebastian Pop  <s.pop@samsung.com>
21157         * graphite-scop-detection.c
21158         (scop_detection::harmful_loop_in_region): Free dom and loops.
21159         (scop_detection::loop_body_is_valid_scop): Free bbs.
21161 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21162             Sebastian Pop  <s.pop@samsung.com>
21164         * graphite-scop-detection.c (record_loop_in_sese): New.
21165         (gather_bbs::before_dom_children): Call record_loop_in_sese.
21166         (build_scops): Remove call to build_sese_loop_nests.
21167         * sese.c (sese_record_loop): Remove.
21168         (build_sese_loop_nests): Remove.
21169         (new_sese_info): Remove region->loops.
21170         (free_sese_info): Same.
21171         * sese.h (sese_contains_loop): Same.
21172         (build_sese_loop_nests): Remove.
21173         (sese_contains_loop): Remove.
21175 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21176             Sebastian Pop  <s.pop@samsung.com>
21178         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
21179         loop_is_valid_in_scop.
21180         (scop_detection::harmful_stmt_in_region): Renamed
21181         harmful_loop_in_region.
21182         Call loop_is_valid_in_scop.
21184 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21185             Sebastian Pop  <s.pop@samsung.com>
21187         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
21188         isl_ast_node_mark.
21190 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21191             Sebastian Pop  <s.pop@samsung.com>
21193         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
21194         * graphite.h (struct poly_bb): Remove field is_reduction.
21195         (PBB_IS_REDUCTION): Remove.
21197 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
21198             Sebastian Pop  <s.pop@samsung.com>
21200         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
21201         (add_pdr_constraints): Same.
21202         (scop_get_reads): Same.
21203         (scop_get_must_writes): Same.
21204         (scop_get_may_writes): Same.
21205         (scop_get_original_schedule): Same.
21206         (extend_schedule): Same.
21207         (apply_schedule_on_deps): Same.
21208         (carries_deps): Same.
21209         (compute_deps): Same.
21210         (scop_get_dependences): Same.
21211         * graphite-isl-ast-to-gimple.c
21212         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
21213         * graphite-optimize-isl.c (get_schedule_for_band): Same.
21214         (get_schedule_for_band_list): Same.
21215         (get_schedule_map): Same.
21216         (apply_schedule_map_to_scop): Same.
21217         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
21218         (build_loop_iteration_domains): Same.
21219         (add_condition_to_pbb): Same.
21220         (add_param_constraints): Same.
21221         (pdr_add_memory_accesses): Same.
21222         (pdr_add_data_dimensions): Same.
21224 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
21226         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
21227         requirements.
21229 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
21231         * common.opt (feliminate-dwarf2-dups): Replace references to
21232         "DWARF 2" with just "DWARF".
21233         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
21234         * doc/extend.texi: Likewise.
21235         * doc/cpp.texi: Likewise.
21236         * doc/invoke.texi: Likewise.
21237         (Option Summary): Add -gdwarf to list of Debugging Options.
21238         (Debugging Options): Document -gdwarf.
21239         * doc/contrib.texi: Spell "DWARF" like that.
21241 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
21243         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
21244         warning.  Fix up formatting.
21246         PR middle-end/67653
21247         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
21248         attempt to mark memory input operand addressable and
21249         call prepare_gimple_addressable in that case.  Don't adjust
21250         input_location for diagnostics, use error_at instead.
21252 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
21254         * config/rs6000/ppc-auxv.h: New file.
21255         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
21256         (cpu_is): Likewise.
21257         (cpu_supports): Likewise.
21258         * config/rs6000/rs6000.c: include "ppc-auxv.h".
21259         (cpu_is_info): New variable.
21260         (cpu_supports_info): Likewise.
21261         (tcb_verification_symbol): Likewise.
21262         (cpu_builtin_p): Likewise.
21263         (cpu_expand_builtin): New function.
21264         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
21265         (rs6000_init_builtins): Likewise.
21266         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
21267         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
21268         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
21269         * configure: Regenerate.
21270         * config.in: Likewise.
21271         * doc/extend.texi (PowerPC Built-in Functions): Document
21272         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
21274 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
21276         PR target/68609
21277         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
21278         domain check.
21279         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
21280         for V4SFmode.
21282 2016-01-20  Richard Henderson  <rth@redhat.com>
21284         PR bootstrap/69343
21285         PR bootstrap/69339
21286         PR tree-opt/68964
21287         Revert:
21288         * tree.c (tm_define_builtin): New.
21289         (find_tm_vector_type): New.
21290         (build_tm_vector_builtins): New.
21291         (build_common_builtin_nodes): Call it.
21293 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
21295         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
21296         (arm_fp_ok): Likewise.
21297         (arm_fp): Likewise.
21298         (arm_crypto): Likewise.
21300 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
21301             Richard Biener  <rguenther@suse.de>
21303         PR tree-optimization/69328
21304         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
21305         vectors have same number of elements.
21306         (vectorizable_condition): Fix masked version recognition.
21308 2016-01-20  Richard Biener  <rguenther@suse.de>
21310         PR tree-optimization/69345
21311         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
21312         (VN_INFO_PTR_INFO): Likewise.
21313         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
21314         info when it is equal between non-dominating SSA names.
21315         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
21316         Make sure to look at original SSA infos.
21318 2016-01-20  Jeff Law  <law@redhat.com>
21320         PR target/25114
21321         * config/m68k/predicates.md (pow2_m1_operand): New predicate
21322         extracted from ...
21323         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
21324         (pc_or_label_operand): New predicate.
21325         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
21326         tests for small integers that are 2^n - 1.
21328 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
21330         * doc/invoke.texi (Options Summary): Add '.' after @xref.
21332 2016-01-19  Jeff Law  <law@redhat.com>
21334         PR middle-end/69347
21335         * tree-ssa-threadbackwards.c
21336         (fsm_find_control_statement_thread_paths): Do not try to lookup
21337         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
21339 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
21341         * doc/lto.texi: Remove text that says only Gold has linker plugin
21342         support.
21344 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
21346         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
21347         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
21348         the DIE accordingly.
21349         (modified_type_die): Add REVERSE parameter and pass it recursively,
21350         as well as to base_type_die.  Adjust presence check accordingly.
21351         (base_type_for_mode): Adjust call to modified_type_die.
21352         (add_type_attribute): Add REVERSE parameter and pass it to
21353         modified_type_die.
21354         (generic_parameter_die): Adjust call to add_type_attribute.
21355         (add_scalar_info): Likewise.
21356         (add_subscript_info): Likewise.
21357         (gen_array_type_die): Likewise.
21358         (gen_descr_array_type_die): Likewise.
21359         (gen_entry_point_die): Likewise.
21360         (gen_enumeration_type_die): Likewise.
21361         (gen_formal_parameter_die): Likewise.
21362         (gen_subprogram_die): Likewise.
21363         (gen_variable_die ): Likewise.
21364         (gen_const_die): Likewise.
21365         (gen_field_die): Likewise.
21366         (gen_pointer_type_die): Likewise.
21367         (gen_reference_type_die): Likewise.
21368         (gen_ptr_to_mbr_type_die): Likewise.
21369         (gen_inheritance_die): Likewise.
21370         (gen_subroutine_type_die): Likewise.
21371         (gen_typedef_die): Likewise.
21372         (force_type_die): Adjust call to modified_type_die.
21374 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
21376         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
21377         flow throughout the file.  Fix broken link to Objective-C 2.0
21378         documentation.
21379         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
21380         errors.
21382 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
21384         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
21386 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
21388         PR ipa/66223
21389         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
21390         (maybe_record_node): Record cxa_pure_virtual as the only possible
21391         target if there are not ohter candidates.
21392         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
21394 2016-01-19  Richard Biener  <rguenther@suse.de>
21396         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
21397         (get_memory_order): Likewise.
21399 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
21401         * tree-vect-stmts.c (vectorizable_store): Check
21402         rhs vectype.
21404 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
21406         PR jit/68446
21407         * gcc.c (driver::decode_argv): Add call to
21408         init_opts_obstack before init_options_struct.
21409         * opts.c (init_opts_obstack): Remove idempotency.
21410         (init_options_struct): Replace call to init_opts_obstack
21411         with a gcc_assert to verify that it has already been called.
21412         * toplev.c (toplev::main): Add call to init_opts_obstack before
21413         calls to init_options_struct.
21414         (toplev::finalize): Move cleanup of opts_obstack next to
21415         cleanup of save_decoded_options, clearing the latter, and
21416         save_decoded_options_count.
21418 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21420         PR target/69135
21421         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
21422         attribute to unconditional.  Remove %? from output template.
21424 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
21425             Jiong Wang  <jiong.wang@arm.com>
21427         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
21428         generated from different expand order.
21430 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
21432         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
21433         Add support for CCMP costing.
21435 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
21437         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
21438         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
21439         (fccmpe<mode>): Likewise.
21440         (fcmp): Rename to fcmp and globalize pattern.
21441         (fcmpe): Likewise.
21442         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
21443         (aarch64_gen_ccmp_next): Add FP support.
21445 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
21447         * target.def (gen_ccmp_first): Update documentation.
21448         (gen_ccmp_next): Likewise.
21449         * doc/tm.texi (gen_ccmp_first): Update documentation.
21450         (gen_ccmp_next): Likewise.
21451         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
21452         expand_ccmp_expr_1.  Improve comments.
21453         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
21454         (ccmp_ior<mode>): Remove pattern.
21455         (cmp<mode>): Remove expand.
21456         (cmp): Globalize pattern.
21457         (cstorecc4): Use cc_register.
21458         (mov<mode>cc): Remove ccmp_cc_register check.
21459         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
21460         Simplify after removal of CC_DNE/* modes.
21461         (aarch64_ccmp_mode_to_code): Remove.
21462         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
21463         In 'k' case use integer as condition.
21464         (aarch64_nzcv_codes): Remove inverted cases.
21465         (aarch64_code_to_ccmode): Remove.
21466         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
21467         comparison with CC register to be used in folowing CCMP/branch/CSEL.
21468         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
21469         pattern.  Return the comparison with CC register.  Invert conditions
21470         when bitcode is OR.
21471         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
21472         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
21474 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
21476         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
21477         instrumented_version.
21479 2016-01-19  Richard Biener  <rguenther@suse.de>
21481         PR tree-optimization/69336
21482         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
21483         handled components with get_ref_base_and_extent.
21484         (equal_mem_array_ref_p): Adjust.
21486 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
21488         PR debug/65779
21489         * shrink-wrap.c: Include valtrack.h.
21490         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
21491         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
21492         in between insn and where it will be moved to.  Call
21493         dead_debug_insert_temp.
21494         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
21495         first and dead_debug_local_finish at the end.
21496         For uses and defs bitmap, handle all regs in between REGNO and
21497         END_REGNO, not just the first one.
21499 2016-01-19  Richard Biener  <rguenther@suse.de>
21501         PR tree-optimization/69352
21502         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
21503         (equal_mem_array_ref_p): Constrain size and max size properly.
21504         Compare the reverse flag.
21506 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
21508         * ira.c (ira): Update regstat data if we deleted insns.
21510 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
21512         PR rtl-optimization/68955
21513         PR rtl-optimization/64557
21514         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
21515         here.  Fix up formatting.
21516         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
21518 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
21520         PR lto/69133
21521         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
21522         assume that the node has body.
21523         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
21524         check.
21526 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
21528         * lto-streamer-out.c (lto_output): Do not stream instrumentation
21529         thunks.
21531 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
21533         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
21534         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
21536 2016-01-19  Martin Jambor  <mjambor@suse.cz>
21537             Martin Liska  <mliska@suse.cz>
21538             Michael Matz  <matz@suse.de>
21540         * Makefile.in (OBJS): Add new source files.
21541         (GTFILES): Add hsa.c.
21542         * common.opt (disable_hsa): New variable.
21543         (-Whsa): New warning.
21544         * config.in (ENABLE_HSA): New.
21545         * configure.ac: Treat hsa differently from other accelerators.
21546         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
21547         $enable_offloading.
21548         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
21549         * doc/install.texi (Configuration): Document --with-hsa-runtime,
21550         --with-hsa-runtime-include, --with-hsa-runtime-lib and
21551         --with-hsa-kmt-lib.
21552         * doc/invoke.texi (-Whsa): Document.
21553         (hsa-gen-debug-stores): Likewise.
21554         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
21555         to invoke offload compiler for hsa acclerator.
21556         * opts.c (common_handle_option): Determine whether HSA offloading
21557         should be performed.
21558         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
21559         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
21560         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
21561         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
21562         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
21563         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
21564         GF_OMP_FOR_KIND_GRID_LOOP.
21565         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
21566         (pp_gimple_stmt_1): Likewise.
21567         * gimple-walk.c (walk_gimple_stmt): Likewise.
21568         * gimple.c (gimple_build_omp_grid_body): New function.
21569         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
21570         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
21571         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
21572         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
21573         GF_OMP_TEAMS_GRID_PHONY.
21574         (gimple_statement_omp_single_layout): Updated comments.
21575         (gimple_build_omp_grid_body): New function.
21576         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
21577         (gimple_omp_for_grid_phony): New function.
21578         (gimple_omp_for_set_grid_phony): Likewise.
21579         (gimple_omp_parallel_grid_phony): Likewise.
21580         (gimple_omp_parallel_set_grid_phony): Likewise.
21581         (gimple_omp_teams_grid_phony): Likewise.
21582         (gimple_omp_teams_set_grid_phony): Likewise.
21583         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
21584         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
21585         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
21586         (BUILT_IN_GOMP_TARGET): Updated type.
21587         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
21588         (adjust_for_condition): New function.
21589         (get_omp_for_step_from_incr): Likewise.
21590         (extract_omp_for_data): Moved parts to adjust_for_condition and
21591         get_omp_for_step_from_incr.
21592         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
21593         (fixup_child_record_type): Bail out if receiver_decl is NULL.
21594         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
21595         (scan_omp_parallel): Do not create child functions for phony
21596         constructs.
21597         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
21598         (scan_omp_1_op): Checking assert we are not remapping to
21599         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
21600         (parallel_needs_hsa_kernel_p): New function.
21601         (expand_parallel_call): Register apprpriate parallel child
21602         functions as HSA kernels.
21603         (grid_launch_attributes_trees): New type.
21604         (grid_attr_trees): New variable.
21605         (grid_create_kernel_launch_attr_types): New function.
21606         (grid_insert_store_range_dim): Likewise.
21607         (grid_get_kernel_launch_attributes): Likewise.
21608         (get_target_argument_identifier_1): Likewise.
21609         (get_target_argument_identifier): Likewise.
21610         (get_target_argument_value): Likewise.
21611         (push_target_argument_according_to_value): Likewise.
21612         (get_target_arguments): Likewise.
21613         (expand_omp_target): Call get_target_arguments instead of looking
21614         up for teams and thread limit.
21615         (grid_expand_omp_for_loop): New function.
21616         (grid_arg_decl_map): New type.
21617         (grid_remap_kernel_arg_accesses): New function.
21618         (grid_expand_target_kernel_body): New function.
21619         (expand_omp): Call it.
21620         (lower_omp_for): Do not emit phony constructs.
21621         (lower_omp_taskreg): Do not emit phony constructs but create for them
21622         a temporary variable receiver_decl.
21623         (lower_omp_taskreg): Do not emit phony constructs.
21624         (lower_omp_teams): Likewise.
21625         (lower_omp_grid_body): New function.
21626         (lower_omp_1): Call it.
21627         (grid_reg_assignment_to_local_var_p): New function.
21628         (grid_seq_only_contains_local_assignments): Likewise.
21629         (grid_find_single_omp_among_assignments_1): Likewise.
21630         (grid_find_single_omp_among_assignments): Likewise.
21631         (grid_find_ungridifiable_statement): Likewise.
21632         (grid_target_follows_gridifiable_pattern): Likewise.
21633         (grid_remap_prebody_decls): Likewise.
21634         (grid_copy_leading_local_assignments): Likewise.
21635         (grid_process_kernel_body_copy): Likewise.
21636         (grid_attempt_target_gridification): Likewise.
21637         (grid_gridify_all_targets_stmt): Likewise.
21638         (grid_gridify_all_targets): Likewise.
21639         (execute_lower_omp): Call grid_gridify_all_targets.
21640         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
21641         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
21642         (tree_omp_clause): Added union field dimension.
21643         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
21644         * tree.c (omp_clause_num_ops): Added number of arguments of
21645         OMP_CLAUSE__GRIDDIM_.
21646         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
21647         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
21648         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
21649         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
21650         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
21651         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
21652         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
21653         * tree-pass.h (make_pass_gen_hsail): Declare.
21654         (make_pass_ipa_hsa): Likewise.
21655         * ipa-hsa.c: New file.
21656         * lto-section-in.c (lto_section_name): Add hsa section name.
21657         * lto-streamer.h (lto_section_type): Add hsa section.
21658         * timevar.def (TV_IPA_HSA): New.
21659         * hsa-brig-format.h: New file.
21660         * hsa-brig.c: New file.
21661         * hsa-dump.c: Likewise.
21662         * hsa-gen.c: Likewise.
21663         * hsa.c: Likewise.
21664         * hsa.h: Likewise.
21665         * toplev.c (compile_file): Call hsa_output_brig.
21666         * hsa-regalloc.c: New file.
21668 2016-01-18  Jeff Law  <law@redhat.com>
21670         PR tree-optimization/69320
21671         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
21672         ranged object, do nothing if the RHS constant is not [0..1].
21673         (optimize_stmt): Comparing a boolean ranged object against a
21674         constant outside [0..1] results in a compile-time constant.
21676         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
21677         test.
21679 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
21681         * doc/invoke.texi (Invoking GCC): Add new section to menu.
21682         (Option Summary): Update to reflect new section and moved options.
21683         (C++ Dialect Options): Move -fstats to new section.
21684         (Debugging Options): Move all dump, statistics, and other GCC
21685         developer options to new section.  Rewrite section introduction
21686         and re-order remaining options to put the more basic ones first.
21687         (Optimization Options): Move -fira-verbose and -flto-report* to
21688         new section.
21689         (Developer Options): New section incorporating moved options.
21690         * doc/cppopts.texi (-dM): Update cross-reference.
21692 2016-01-18  Richard Henderson  <rth@redhat.com>
21694         PR target/69176
21695         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
21696         operands to pseudo only if CSE is expected.  Split long immediate
21697         operands only after reload, and for the stack pointer.
21698         (*add<GPI>3_pluslong): Remove.
21699         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
21700         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
21701         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
21702         (*add<GPI>3 peepholes): New.
21703         (*add<GPI>3 splitters): New.
21704         * config/aarch64/constraints.md (Upl): New.
21705         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
21707 2016-01-18  Richard Biener  <rguenther@suse.de>
21709         PR tree-optimization/69297
21710         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
21711         stmt at most once.
21712         (vect_bb_vectorization_profitable_p): Clear visited flag again.
21714 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
21716         PR middle-end/68542
21717         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
21718         of mixind vector and scalar types.
21719         (fold_relational_const): Add handling of vector
21720         comparison with boolean result.
21721         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
21722         comparison of vector operands with boolean result for EQ/NE only.
21723         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
21724         (verify_gimple_cond): Likewise.
21725         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
21726         valid type of VAL.
21728 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
21730         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
21731         !TARGET_OCTEON.
21733 2016-01-18  Richard Biener  <rguenther@suse.de>
21735         PR middle-end/69308
21736         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
21738 2016-01-18  Tom de Vries  <tom@codesourcery.com>
21740         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
21742 2016-01-18  Tom de Vries  <tom@codesourcery.com>
21744         * omp-low.c (set_oacc_fn_attrib): Make extern.
21745         * omp-low.h (set_oacc_fn_attrib): Declare.
21746         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
21747         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
21748         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
21749         Add and handle function parameter oacc_kernels_p.
21750         (find_reduc_addr, get_omp_data_i_param): New function.
21751         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
21752         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
21753         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
21754         Calculate dominance info.  Skip loops that are not in a kernels region
21755         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
21756         (pass_parallelize_loops::execute): Call parallelize_loops with
21757         oacc_kernels_p argument.
21758         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
21759         New member function.
21760         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
21761         * passes.def: Add argument to pass_parallelize_loops instantation.
21763 2016-01-18  Tom de Vries  <tom@codesourcery.com>
21765         * tree-parloops.c (pass_parallelize_loops::execute): Allow
21766         pass_parallelize_loops to be run outside the loop pipeline.
21768 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
21770         * tree-scalar-evolution.c (follow_copies_to_constant): New.
21771         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
21773 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
21775         PR target/63679
21776         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
21777         using get_ref_base_and_extent.
21778         (equal_mem_array_ref_p): New.
21779         (hashable_expr_equal_p): Add call to previous.
21781 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
21783         PR target/63679
21784         * tree-sra.c (disqualified_constants, constant_decl_p): New.
21785         (sra_initialize): Allocate disqualified_constants.
21786         (sra_deinitialize): Free disqualified_constants.
21787         (disqualify_candidate): Update disqualified_constants when appropriate.
21788         (create_access): Scan for constant-pool entries as we go along.
21789         (scalarizable_type_p): Add check against type_contains_placeholder_p.
21790         (maybe_add_sra_candidate): Allow constant-pool entries.
21791         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
21792         (initialize_constant_pool_replacements): New.
21793         (sra_modify_assign): Avoid mangling assignments created by previous,
21794         and don't generate writes into constant pool.
21795         (sra_modify_function_body): Call initialize_constant_pool_replacements.
21797 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
21799         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
21800         andnot instruction.
21801         (scalar_chain::convert_op): Likewise.
21802         * config/i386/i386.md (*andndi3_doubleword): New.
21804 2016-01-18  Richard Biener  <rguenther@suse.de>
21806         PR tree-optimization/69170
21807         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
21808         building a vector from scalar results of a pattern stmt.
21810 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
21812         * haifa-sched.c (autopref_multipass_init): Work around
21813         -Wmaybe-uninitialized warning.
21815 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
21817         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
21818         against the constant 0.
21820 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21822         PR tree-optimization/68799
21823         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
21824         look up phi candidates in the statement-candidate map.
21825         (phi_add_costs): Likewise.
21826         (record_phi_increments): Likewise.
21827         (phi_incr_cost): Likewise.
21828         (ncd_with_phi): Likewise.
21829         (all_phi_incrs_profitable): Likewise.
21831 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
21833         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
21834         -Wmaybe-uninitialized warning.
21836 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
21838         * doc/invoke.texi (Invoking GCC): Add new section to menu.
21839         (Option Summary): Update to reflect new section and moved options.
21840         (C++ Dialect Options): Move -fvtable-verify and related options.
21841         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
21842         and profiling-related options.
21843         (Optimization Options): Move profile generation options and
21844         -fstack-protector and related options.
21845         (Instrumentation Options): New section incorporating moved options.
21846         (Code Generation Options): Move -finstrument-functions and
21847         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
21849 2016-01-16  Tom de Vries  <tom@codesourcery.com>
21851         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
21853 2016-01-16  Tom de Vries  <tom@codesourcery.com>
21855         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
21857 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
21859         * hash-table.h (hash_table::empty): Turn into an inline wrapper
21860         that checks whether the table is already empty.  Rename the
21861         original implementation to...
21862         (hash_table::empty_slot): ...this new private function.
21864 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
21866         PR diagnostic/68899
21867         * diagnostic-show-locus.c (layout::print_source_line): Move x
21868         offset of line until after call to
21869         get_line_width_without_trailing_whitespace.
21871 2016-01-15  Jeff Law  <law@redhat.com>
21873         PR tree-optimization/69270
21874         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
21875         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
21876         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
21877         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
21878         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
21879         ssa_name_has_boolean_range and constant_boolean_node.
21881 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
21883         PR rtl-optimization/69030
21884         * lra-spills.c (remove_pseudos): Check nrefs and make the function
21885         returning bool.
21886         (spill_pseudos): Delete debug insn for dead pseudo.
21887         (lra_spill): Initiate spill_hard_reg and slots memory separately.
21889 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
21891         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
21892         New.
21893         (TYPES_UNOPUS): Likewise.
21894         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
21895         builtin type, from UNOP to UNOPUS.
21896         (lbtruncuv4sf): Likewise.
21897         (lbtruncuv2df): Likewise.
21898         (lrounduv2sf): Likewise.
21899         (lrounduv4sf): Likewise.
21900         (lrounduv2df): Likewise.
21901         (lroundusf): Likewise.
21902         (lroundusf): Likewise.
21903         (lceiluv2sf): Likewise.
21904         (lceiluv4sf): Likewise.
21905         (lceiluv2df): Likewise.
21906         (lceilusf): Likewise.
21907         (lceiludf): Likewise.
21908         (lflooruv2sf): Likewise.
21909         (lflooruv4sf): Likewise.
21910         (lflooruv2df): Likewise.
21911         (lfloorusf): Likewise.
21912         (lfloorudf): Likewise.
21913         (lfrintnuv2sf): Likewise.
21914         (lfrintnuv4sf): Likewise.
21915         (lfrintnuv2df): Likewise.
21916         (lfrintnusf): Likewise.
21917         (lfrintnudf): Likewise.
21918         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
21919         conversion.
21920         (vcvtq_u32_f32): Likewise.
21921         (vcvtq_u64_f64): Likewise.
21922         (vcvta_u32_f32): Likewise.
21923         (vcvtaq_u32_f32): Likewise.
21924         (vcvtaq_u64_f64): Likewise.
21925         (vcvtm_u32_f32): Likewise.
21926         (vcvtmq_u32_f32): Likewise.
21927         (vcvtmq_u64_f64): Likewise.
21928         (vcvtn_u32_f32): Likwise.
21929         (vcvtnq_u32_f32): Likewise.
21930         (vcvtnq_u64_f64): Likewise.
21931         (vcvtp_u32_f32): Likewise.
21932         (vcvtpq_u32_f32): Likewise.
21933         (vcvtpq_u64_f64): Likewise.
21934         (vcvtmd_u64_f64): Likewise.
21935         (vcvtms_u32_f32): Likewise.
21936         (vcvtad_u64_f64): Likewise.
21937         (vcvtas_u32_f32): Likewise.
21938         (vcvtnd_u64_f64): Likewise.
21939         (vcvtns_u32_f32): Likewise.
21940         (vcvtpd_u64_f64): Likewise.
21941         (vcvtps_u32_f32): Likewise.
21943 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21945         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
21946         CSEL of zero_extended registers.
21948 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21950         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
21951         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
21953 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21955         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
21956         false when argument string is not found in the attributes table
21957         at all.
21959 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
21961         PR target/68609
21962         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
21963         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
21964         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
21965         precision estimate.
21967 2016-01-15  Richard Biener  <rguenther@suse.de>
21969         PR tree-optimization/66856
21970         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
21971         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
21972         (vect_create_new_slp_node): Increment stmt reference count.
21973         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
21974         an SLP tree before swapping operands.
21975         (vect_build_slp_tree): Likewise.
21976         (destroy_bb_vec_info): Free stmt info after SLP instances.
21977         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
21978         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
21979         (STMT_VINFO_NUM_SLP_USES): New macro.
21981 2016-01-15  Richard Biener  <rguenther@suse.de>
21983         PR debug/69137
21984         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
21985         (add_linkage_name): ... here.
21986         (gen_typedef_die): Use add_linkage_name_raw instead of
21987         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
21988         if necessary.
21990 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
21992         * gimplify.c (oacc_default_clause): Decode reference and pointer
21993         types for both kernels and parallel regions.
21995 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
21997         PR middle-end/69246
21998         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
22000 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
22002         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
22003         (convert_scalars_to_vector): Likewise.
22005 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
22007         * doc/extend.texi (Type Traits): Fix grammar.
22009 2016-01-15  Martin Jambor  <mjambor@suse.cz>
22011         * tree-inline.c (remap_decl): Use existing dclarations if
22012         remapping a type and prevent_decl_creation_for_types.
22013         (replace_locals_stmt): Do an initial remapping of non-VLA typed
22014         decls first.  Do real remapping with
22015         prevent_decl_creation_for_types set.
22016         * tree-inline.h (copy_body_data): New field
22017         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
22018         padding.
22020 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22022         * config/s390/s390.opt (mmvcle): More verbose help text.
22024 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22026         * config/s390/s390.opt: Add period to -mzvector option text.
22028 2016-01-15  Richard Biener  <rguenther@suse.de>
22030         PR tree-optimization/68961
22031         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
22032         of invariants in stores again.
22034 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
22036         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
22038 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
22040         * config/i386/i386.c (ix86_expand_branch): Don't split
22041         DI mode xor instruction to SI mode.
22043 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
22045         PR ipa/68148
22046         * ipa-icf.c (sem_function::merge): Virtual functions may become
22047         reachable even if they address is not taken and there are no
22048         idrect calls.
22050 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
22052         * lto-streamer-out.c (subtract_estimated_size): New function.
22053         (get_symbol_initial_value): Use it.
22055 2016-01-15  Christian Bruel  <christian.bruel@st.com>
22057         PR target/65837
22058         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
22059         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
22060         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
22061         use add_builtin_function_ext_scope instead of add_builtin_function.
22062         (neon_set_p, neon_crypto_set_p): Remove.
22063         (arm_init_builtins): Always call arm_init_neon_builtins and
22064         arm_init_crypto_builtins.
22065         (arm_expand_builtin): Check that builtins are allowed for the arch.
22066         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
22067         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
22068         arm_init_neon_builtins call.
22070 2016-01-15  Richard Biener  <rguenther@suse.de>
22072         PR tree-optimization/69117
22073         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
22074         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
22075         of the leader conservatively.
22076         (free_scc_vn): Restore original SSA name infos.
22078 2016-01-14  Jeff Law  <law@redhat.com>
22080         PR tree-optimization/69270
22081         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
22082         single bit of precision, verify it's also unsigned.
22083         (record_edge_info): Use constant_boolean_node rather than fold_convert
22084         to convert boolean_true/boolean_false to the right type.
22086 2016-01-14  Richard Henderson  <rth@redhat.com>
22088         PR rtl-opt/69014
22089         * loop-doloop.c (record_reg_sets): New.
22090         (doloop_optimize): Reject the transform if the sequence
22091         clobbers registers live at the end of the loop block.
22092         (doloop_optimize_loops): Enable df_live if needed.
22094 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
22096         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
22097         * config/rs6000/rs6000.c: Likewise.
22098         * config/rs6000/rs6000.h: Likewise.
22099         * config/rs6000/rs6000.md: Likewise.
22100         * doc/extend.texi: Likewsie.
22102 2016-01-14  Jeff Law  <law@redhat.com>
22104         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
22105         typo.
22107 2016-01-14  Richard Henderson  <rth@redhat.com>
22109         PR c/69272
22110         PR tree-opt/68964
22111         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
22112         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
22113         instead of builtin_decl_declared_p to test for declaration.
22115 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
22117         * doc/loop.texi (Loop Analysis and Representation): Document
22118         loop_depth function.
22120 2016-01-14  Tom de Vries  <tom@codesourcery.com>
22122         PR tree-optimization/68773
22123         * omp-low.c (expand_omp_target): Don't set force_output.
22124         * varpool.c (varpool_node::get_create): Same.
22125         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
22126         offload_funcs with force_output.
22128 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
22130         PR debug/69244
22131         * lra-eliminations.c (move_plus_up): Don't change anything if either
22132         the outer or inner subreg mode is not MODE_INT.
22133         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
22134         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
22136 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
22138         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
22139         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
22140         reduc_uplus_@var{m}): Remove.
22141         * expr.c (expand_expr_real_2): Remove expansion path for
22142         reduc_[us](min|max|plus) optabs.
22143         * optabs-tree.c (scalar_reduc_to_vector): Remove.
22144         * optabs-tree.h (scalar_reduc_to_vector): Remove.
22145         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
22146         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
22147         * tree-vect-loop.c (vectorizable_reduction): Remove test for
22148         reduc_[us](min|max|plus) optabs.
22150 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
22152         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
22153         (reduc_plus_scal_v2sf): New.
22154         (reduc_smax_v2sf): Rename to...
22155         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
22156         (reduc_smin_v2sf): Rename to...
22157         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
22159 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
22161         * alias.c (compare_base_symbol_refs): New function.
22162         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
22163         it.
22165 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
22167         PR middle-end/68146
22168         PR tree-optimization/69155
22169         * tree-complex.c: Include cfganal.h.
22170         (phis_to_revisit): New variable.
22171         (extract_component): Add phiarg_p argument.  Assert that returned
22172         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
22173         (update_phi_components): Partly rewrite to use loop over real/imag
22174         components instead of code duplication.  If extract_component returns
22175         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
22176         create_tmp_reg into the PHI node instead, and mention the phi triplet
22177         in phis_to_revisit.
22178         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
22179         in phis_to_revisit at the end.
22181 2016-01-14  Richard Biener  <rguenther@suse.de>
22183         PR tree-optimization/68060
22184         * tree-vect-loop.c (vect_is_simple_reduction): Check the
22185         outer loop reduction is only used in the inner loop before
22186         detecting a double reduction.
22188 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
22190         PR target/68269
22191         * combine.c (expand_field_assignment): Punt if compute_mode is
22192         unsupported scalar mode.
22194 2016-01-14  Richard Biener  <rguenther@suse.de>
22196         PR tree-optimization/66856
22197         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
22198         SLP node only if it built successfully.
22199         (vect_analyze_slp_instance): Adjust.
22201 2016-01-14  Jeff Law  <law@redhat.com>
22203         PR tree-optimization/69270
22204         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
22205         (record_edge_info): Use it.  Convert boolean_{true,false}_node
22206         to the type of op0.
22208 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
22210         PR ipa/66487
22211         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
22212         use block_ultimate_origin
22213         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
22215 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
22217         * doc/invoke.texi (Submodel Options): Rename section to
22218         "Machine-Dependent Options" to better reflect its content.
22219         Rewrite introductory text to remove archaic CPU names.
22220         Update references.
22222 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
22224         * doc/invoke.texi (Code Gen Options): Move section up in file,
22225         before target-specific options.  Update menu and option summary
22226         to reflect the new section ordering.
22228 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
22230         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
22231         (C++ Dialect Options): Add cross-reference to -std option.
22232         * doc/standards.texi (C++ Language): Document C++14 support.
22234 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
22236         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
22237         for pack/unpack functions for __ibm128.
22238         (PACK_IF): Likewise.
22239         (UNPACK_IF): Likewise.
22241         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
22242         support for __ibm128 pack/unpack functions.
22243         (rs6000_invalid_builtin): Likewise.
22244         (rs6000_init_builtins): Likewise.
22245         (rs6000_opt_masks): Likewise.
22247         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
22248         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
22249         functions
22250         (RS6000_BTM_COMMON): Likewise.
22252         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
22253         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
22254         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
22255         128-bit floating point.  Add support for the double values to be
22256         in Altivec registers for TF/IF packing and unpacking, but restrict
22257         TD packing sub-fields to be FPR registers.  Don't allow overlapped
22258         register support for packing.  Allow pack inputs to be memory
22259         locations.  Don't build generator functions for unpack<mode>_dm
22260         and unpack<mode>_nodm.
22261         (unpack<mode>_dm): Likewise.
22262         (unpack<mode>_nodm): Likewise.
22263         (pack<mode>): Likewise.
22265         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
22266         built-in functions to pack/unpack explicit __ibm128 values.
22267         (__builtin_unpack_ibm128): Likewise.
22269         * doc/extend.texi (PowerPC Built-in Functions): Document
22270         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
22272 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
22274         PR c/66208
22275         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
22276         Add new arg loc and pass it down as context.
22277         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
22278         to the location to use for the warning.
22279         (check_function_arguments): New arg loc.  All callers changed.  Pass
22280         it to check_function_nonnull.
22281         * c-common.h (check_function_arguments): Adjust declaration.
22283 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
22285         PR tree-optimization/69156
22286         * gimple.c (validate_type): Removed.
22287         (gimple_builtin_call_types_compatible_p): Use
22288         useless_type_conversion_p instead of validate_type.
22289         * value-prof.c (gimple_stringop_fixed_value): Fold
22290         icall_size to correct type.
22292 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
22294         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
22295         effects.
22297 2016-01-13  Richard Henderson  <rth@redhat.com>
22299         PR tree-opt/68964
22300         * target.def (builtin_tm_load, builtin_tm_store): Remove.
22301         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
22302         (ix86_builtin_tm_store): Remove.
22303         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
22304         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
22305         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
22306         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
22307         * doc/tm.texi: Rebuild.
22309         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
22310         (BUILT_IN_TM_MEMCPY_RTWN): New.
22311         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
22312         fallback from vector to integer helpers.
22313         (build_tm_load): Handle vector types directly, instead of
22314         via target hook.
22315         (build_tm_store): Likewise.
22316         (expand_assign_tm): Prepare for register types not handled by
22317         the above.  Copy them to memory and use memcpy.
22318         * tree.c (tm_define_builtin): New.
22319         (find_tm_vector_type): New.
22320         (build_tm_vector_builtins): New.
22321         (build_common_builtin_nodes): Call it.
22323 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
22325         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
22326         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
22328 2016-01-13  Tom de Vries  <tom@codesourcery.com>
22330         PR tree-optimization/69169
22331         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
22332         handled_struct_type param.
22333         (create_variable_info_for, intra_create_variable_infos): Call
22334         create_variable_info_for_1 with extra arg.
22336 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
22338         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
22339         and "armv8.1-a+crc" entries.
22341 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
22343         PR target/69228
22344         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
22345         Change first operand predicate from register_or_constm1_operand
22346         to register_operand.
22347         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
22348         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
22349         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
22350         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
22351         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
22352         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
22353         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
22354         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
22355         comparison with constm1_rtx from vec_prefetch_gen part.
22357 2016-01-13  Richard Biener  <rguenther@suse.de>
22359         PR tree-optimization/69013
22360         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
22361         Exchange assert for a test.
22363 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22365         PR target/69247
22366         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
22368 2016-01-13  Richard Biener  <rguenther@suse.de>
22370         PR tree-optimization/69242
22371         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
22372         assert with a check.
22374 2016-01-13  Richard Biener  <rguenther@suse.de>
22376         PR tree-optimization/69186
22377         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
22378         Properly guard vect_update_misalignment_for_peel call.
22380 2016-01-12  Jeff Law  <law@redhat.com>
22382         PR tree-optimization/pr67755
22383         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
22384         "need_profile_correction".
22385         (thread_block_1): Initialize new field to false by default.  If we
22386         have multiple thread paths through a common joiner to different
22387         final targets, then set new field to true.
22388         (compute_path_counts): Only do count adjustment when it's really
22389         needed.
22391 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
22393         * doc/invoke.texi (Spec Files): Move section down in file, past
22394         all command-line option descriptions.
22396 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
22398         PR middle-end/54809
22399         * doc/gty.texi: Remove documentation of mark_hook.
22400         * gengtype.c (struct write_types_data): Remove code to support
22401         mark_hook attribute.
22402         (walk_type): Likewise.
22403         (write_func_for_structure): Likewise.
22405 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
22407         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
22408         Directory Options, and -specs= to Overall Options.
22409         (Overall Options): Adjust similarly.  Reorder to group related
22410         options together.  Make -specs= cross-reference the spec file details.
22411         (Directory Options): Adjust similarly.
22413 2016-01-12  Jeff Law  <law@redhat.com>
22415         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
22417 2016-01-12  Olivier Hainque  <hainque@adacore.com>
22419         * gcc.c (spec_undefvar_allowed): New global.
22420         (process_command): Set to true when running for --version or --help,
22421         alone or together.
22422         (getenv_spec_function): When the variable is not defined, use the
22423         variable name as the variable value if we're allowed not to issue
22424         a fatal error.
22426 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
22428         PR tree-optimization/68911
22429         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
22430         information computed for expression "init + nit * step".
22432 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
22434         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
22435         about name of GCC executable.  Remove deleted node from menu.
22436         (Directory Options) <-B>: Remove cross-reference to deleted node.
22437         (Target Options): Delete section.
22439 2016-01-12  Christian Bruel  <christian.bruel@st.com>
22441         PR target/69180
22442         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
22443         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
22445 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
22447         PR target/69198
22448         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
22449         aligned_mem is properly set for AVX512-VL floating point masked
22450         stores.
22452         PR target/69175
22453         * ifcvt.c (cond_exec_process_if_block): When removing the last
22454         insn from then_bb, remove also any possible barriers that follow it.
22456 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
22458         PR target/68456
22459         PR target/69226
22460         * config/i386/iamcu.h (SIZE_TYPE): New macro.
22461         (PTRDIFF_TYPE): Likewise.
22462         (WCHAR_TYPE): Likewise.
22463         (WCHAR_TYPE_SIZE): Likewise.
22464         (STDINT_LONG32): Likewise.
22466 2016-01-12  Richard Biener  <rguenther@suse.de>
22468         PR tree-optimization/69053
22469         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
22470         convert initial value for cond reductions.
22472 2016-01-12  Richard Biener  <rguenther@suse.de>
22474         PR tree-optimization/69007
22475         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
22476         widen_sum after dot_prod and sad.
22478 2016-01-12  Richard Biener  <rguenther@suse.de>
22480         PR tree-optimization/69168
22481         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
22482         pattern stmt SLP type.
22483         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
22484         end up unused so cope with that case.
22486 2016-01-12  Richard Biener  <rguenther@suse.de>
22488         PR tree-optimization/69157
22489         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
22490         stmts def type only during analyze phase.
22491         (vectorizable_call): Likewise.
22492         (vectorizable_simd_clone_call): Likewise.
22493         (vectorizable_conversion): Likewise.
22494         (vectorizable_assignment): Likewise.
22495         (vectorizable_shift): Likewise.
22496         (vectorizable_operation): Likewise.
22497         (vectorizable_store): Likewise.
22498         (vectorizable_load): Likewise.
22500 2016-01-12  Richard Biener  <rguenther@suse.de>
22502         PR tree-optimization/69174
22503         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
22504         space.
22505         (vectorizable_load): Properly compute the number of loads needed
22506         for permuted strided SLP loads and do not spuriously assign
22507         to SLP_TREE_VEC_STMTS.
22509 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
22511         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
22512         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
22513         (MD_EXEC_PREFIX): Remove.
22514         (MD_STARTFILE_PREFIX) Removee.
22515         (FILE_NAME_ABSOLUTE_P): Remove.
22516         (CPP_SPEC): Do not read macros from sys/version.h.
22517         (LINK_COMMAND_SPEC): Remove.
22518         (LOCAL_INCLUDE_DIR): Remove.
22519         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
22520         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
22521         (POST_LINK_SPEC): Define to invoke stubify after linker
22522         (LIBSTDCXX): Remove define
22523         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
22524         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
22525         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
22526         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
22527         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
22528         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
22529         (i386_djgpp_asm_named_section): Add propotype of new procedure
22531         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
22532         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
22533         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
22534         in config/i386/djgpp.h).
22535         (STANDARD_STARTFILE_PREFIX_2): Define identical to
22536         STANDARD_STARTFILE_PREFIX_1.
22537         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
22538         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
22539         installation errors.
22540         (MAX_OFILE_ALIGNMENT): Define to 128.
22541         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
22543         * config/i386/djgpp.c: New file. Add implementation of
22544         i386_djgpp_asm_named_section.
22546         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
22548         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
22549         Add rule for building djgpp.o.
22551 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22553         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
22554         (rtx_is_swappable_p): Reductions are swappable.
22555         (insn_is_swappable_p): V2DF reductions are swappable.
22557 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
22559         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
22560         reloads for other unsupported memory operands.
22562 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
22563             Jim Wilson  <jim.wilson@linaro.org>
22565         PR target/69194
22566         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
22567         copy_to_mode_reg instead of force_reg.
22569 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
22571         PR target/69225
22572         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
22573         TARGET_80387 is true.
22575 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
22577         PR target/69071
22578         * lra-eliminations.c (move_plus_up): Only move plus up
22579         if subreg of the constant can be simplified into constant
22580         and use the simplified subreg of the constant instead of
22581         the original constant.
22583         * fold-const.c (fold_convertible_p): Don't return true
22584         for conversion of VECTOR_TYPE to same sized integral type.
22585         (fold_convert_loc): Fix up formatting.  Fold conversion of
22586         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
22587         instead of NOP_EXPR.
22589         PR tree-optimization/69214
22590         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
22591         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
22592         Formatting fix.
22594         PR tree-optimization/69207
22595         * tree-vect-slp.c (vect_get_constant_vectors): For
22596         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
22597         fold_convertible_p to vector_type's element type, and always
22598         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
22600 2016-01-11  Richard Biener  <rguenther@suse.de>
22602         PR tree-optimization/69173
22603         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
22604         fixup the cycle if all stmts are in a pattern.
22606 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
22608         PR middle-end/68999
22609         * alias.c (base_alias_check): Move check for addresses with
22610         alignment ANDs before the call for compare_base_decls.
22611         (memrefs_conflict_p): Return -1 for different decls
22612         that went through alignment adjustments.
22614 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22616         PR rtl-optimization/68796
22617         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
22618         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
22619         and QImode comparisons against zero with CC_NZmode.
22620         * config/aarch64/iterators.md (short_mask): New mode_attr.
22622 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
22624         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
22625         (<avx512>_store<mode>_mask): Likewise.
22627 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
22628             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22630         PR rtl-optimization/68841
22631         * ifcvt.c (struct noce_if_info): Add orig_x field.
22632         (bbs_ok_for_cmove_arith): Add to_rename parameter.
22633         Don't record conflicts on to_rename if it's present.
22634         Allow memory destinations in sets.
22635         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
22636         blocks, passing orig_x to the checks.
22637         (noce_process_if_block): Set if_info->orig_x appropriately.
22639 2016-01-11  Tom de Vries  <tom@codesourcery.com>
22641         PR tree-optimization/69069
22642         * tree-parloops.c (create_parallel_loop): Add missing phi args.
22644 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
22646         PR rtl-optimization/68920
22647         * config/i386/i386.c (ix86_option_override_internal): Restrict number
22648         of conditional moves for  RTL if-conversion to 1 for
22649         TARGET_ONE_IF_CONV_INSN.
22650         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
22651         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
22652         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
22653         parameter to restirct number of conditional moves for
22654         RTL if-conversion.
22655         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
22656         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
22657         conditionl moves.
22659 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
22661         PR bootstrap/69123
22662         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
22663         onepart vars.  Fix typo in comment.  Fix reversed condition in
22664         unshare test.
22665         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
22667         PR bootstrap/69123
22668         * var-tracking.c (dump_onepart_variable_differences): New.
22669         (dataflow_set_different): If a detailed dump is requested,
22670         delay early returns and dump differences between onepart
22671         variables present before and after, and added variables.
22673 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
22675         PR target/69010
22676         * expr.c (expand_expr_real_1): For boolean vector constants
22677         with a scalar mode use const_scalar_mask_from_tree.
22678         (const_scalar_mask_from_tree): New.
22679         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
22680         assigned to a mask type to handle constants.
22682 2016-01-11  Martin Jambor  <mjambor@suse.cz>
22684         PR ipa/69044
22685         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
22686         useless parameters if we cannot change function signature.
22688 2016-01-11  Martin Jambor  <mjambor@suse.cz>
22690         PR ipa/66616
22691         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
22692         flag.
22694 2016-01-11  Tom de Vries  <tom@codesourcery.com>
22696         PR tree-optimization/69109
22697         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
22698         latch with phi.
22700 2016-01-11  Tom de Vries  <tom@codesourcery.com>
22702         PR tree-optimization/69108
22703         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
22704         res is not used in a phi.
22706 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
22708         PR 67425
22709         * common.opt (frandom-seed): Fix parameter name.
22710         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
22712 2016-01-11  Tom de Vries  <tom@codesourcery.com>
22714         PR tree-optimization/69058
22715         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
22716         not supported.
22718 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
22720         * config/arc/arc.opt (mdiv-rem): Add period to the end.
22721         (mcode-density): Likewise.
22723 2016-01-10  Tom de Vries  <tom@codesourcery.com>
22725         PR tree-optimization/69062
22726         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
22727         (parallelize_loops): Don't paralelize loop that has phi with address
22728         arg.
22730 2016-01-10  Tom de Vries  <tom@codesourcery.com>
22732         PR tree-optimization/69039
22733         * tree-parloops.c (try_create_reduction_list): Only allow single exit
22734         phi for reduction.
22736 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
22738         PR middle-end/68743
22739         * match.pd: Require target has function_c99_misc before doing
22740         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
22742 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
22744         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
22745         use GMPINC.
22746         * configure: Regenerate.
22748 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
22750         PR middle-end/50865
22751         PR tree-optimization/69097
22752         * fold-const.h (expr_not_equal_to): New prototype.
22753         * fold-const.c: Include stringpool.h and tree-ssanames.h.
22754         (expr_not_equal_to): New function.
22755         * match.pd (X % -Y is the same as X % Y): Don't optimize
22756         unless X is known not to be equal to minimum or Y is known
22757         not to be equal to -1.
22758         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
22759         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
22760         (simplify_stmt_using_ranges): Adjust caller.
22761         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
22762         substitute_and_fold.
22764 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
22766         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
22767         w/o DECL_NAME.
22769 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
22771         PR tree-optimization/69167
22772         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
22773         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
22774         ops[0] comparison.
22775         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
22777 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
22778             Richard Biener  <rguenther@suse.de>
22780         PR tree-optimization/68707
22781         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
22782         instances that can be handled via vect_load_lanes.
22784 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
22786         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
22787         if we can't determine address equivalence.
22788         * alias.c (compare_base_decl): Update for changed return value of
22789         symtab_node::equal_address_to.
22791 2016-01-08  Jason Merrill  <jason@redhat.com>
22793         PR c++/68983
22794         PR c++/67557
22795         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
22796         * expr.c (store_field): Not here.
22797         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
22798         call with TREE_ADDRESSABLE type.
22799         * tree-cfg.c (verify_gimple_call): Adjust.
22801 2016-01-08  Olivier Hainque  <hainque@adacore.com>
22803         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
22804         libc_internal.
22806 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
22808         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
22809         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
22810         (reduc_smin_v2sf): Rename to...
22811         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
22812         (reduc_splus_v2sf): Rename to...
22813         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
22815 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
22817         PR tree-optimization/69162
22818         * gimplify.c (gimplify_va_arg_expr): Encode original type of
22819         valist argument in another argument.
22820         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
22821         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
22822         to determine the va_list type, build a MEM_REF instead of
22823         build_fold_indirect_ref.
22825         PR tree-optimization/69172
22826         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
22827         gimple_build.
22829 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
22831         PR tree-optimization/67781
22832         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
22833         and cmpnop in two steps: first the ones not accessed in original
22834         gimple expression in a endian independent way and then the ones not
22835         accessed in the final result in an endian-specific way.
22837 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
22839         PR tree-optimization/69083
22840         * tree-vect-slp.c (vect_get_constant_vectors): For
22841         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
22842         element type.  If op is fold_convertible_p to vector_type's element
22843         type, use NOP_EXPR instead of VCE.
22845 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
22847         PR rtl-optimization/67778
22848         PR rtl-optimization/68634
22849         PR rtl-optimization/68909
22850         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
22851         block from the stack until done with it.  Remove a superfluous
22852         bitmap set.  Remove a superfluous bitmap test.
22854 2016-01-07  Martin Sebor  <msebor@redhat.com>
22856         PR c/68966
22857         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
22858         constraint on the type of arguments.
22860 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
22862         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
22863         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
22864         unaligned_access on the gcc_options set.
22865         * config/arm/arm.c (arm_option_override_internal): Use
22866         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
22868 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
22870         PR target/69140
22871         * config/i386/i386.c (ix86_frame_pointer_required): Enable
22872         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
22874 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
22876         Revert
22877         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
22879         PR target/69140
22880         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
22881         depending on frame_pointer_needed before remaining integer and SSE
22882         registers are saved.
22884 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
22886         PR 1078
22887         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
22889 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
22891         PR target/69171
22892         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
22893         Use the "xBm" constraint.
22894         (float<sseintvecmodelower><mode>2<mask_name><round_name):
22895         Likewise.
22896         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
22897         (sse_cvtsi2ssq<round_name>): Likewise.
22898         (sse_cvtss2si<round_name>): Likewise.
22899         (sse_cvtss2siq<round_name>): Likewise.
22900         (sse2_cvtsi2sdq<round_name>): Likewise.
22901         (sse2_cvtsd2si<round_name>): Likewise.
22902         (sse2_cvtsd2siq<round_name>): Likewise.
22903         * config/i386/subst.md (round_nimm_scalar_predicate): New
22904         predicate.
22906 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
22908         PR middle-end/67639
22909         * varasm.c (make_decl_rtl): Mark invalid register vars as
22910         DECL_EXTERNAL.
22912         PR rtl-optimization/66206
22913         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
22914         All callers changed.
22916 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
22918         PR tree-optimization/69141
22919         * tree-ssa-pre.c: Include langhooks.h.
22920         (eliminate_dom_walker::before_dom_children): Use
22921         lang_hooks.decl_printable_name instead of
22922         cgraph_node::get ()->name ().
22924         PR middle-end/68960
22925         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
22926         it and DECL_ALIGN too.
22928 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
22930         * config/mips/mips-ftypes.def: Sort to lexicographical order.
22932 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
22934         PR target/69140
22935         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
22936         depending on frame_pointer_needed before remaining integer and SSE
22937         registers are saved.
22939 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22941         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
22942         mode iterator with VSX_M2.
22943         (*p9_vecstore_<mode>): Likewise.
22944         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
22945         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
22946         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
22947         (define_split for VSX_LE128 stores): Likewise.
22948         (define_peephole2 for TImode LE swaps): Likewise.
22949         (define_split for VSX_LE128 post-reload stores): Likewise.
22951 2016-01-06  Marek Polacek  <polacek@redhat.com>
22953         PR sanitizer/69099
22954         * convert.c (convert_to_integer_1): Adjust call to
22955         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
22956         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
22957         EXPR instead of ARG.
22958         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
22960 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
22962         PR 1078
22963         * doc/extend.texi (RL78 Variable Attributes): New section.
22965 2016-01-05  Marek Polacek  <polacek@redhat.com>
22967         PR c/69104
22968         * builtins.c (get_memmodel): Use expansion point location rather than
22969         the input location.  Call warning_at rather than warning.
22970         (expand_builtin_atomic_compare_exchange): Likewise.
22971         (expand_builtin_atomic_load): Likewise.
22972         (expand_builtin_atomic_store): Likewise.
22973         (expand_builtin_atomic_clear): Likewise.
22975 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
22977         PR target/68991
22978         * config/i386/i386.c (ix86_expand_vector_logical_operator):
22979         Replace nonimmediate_operand with vector_operand.
22980         * config/i386/predicates.md (vector_operand): New predicate.
22981         (general_vector_operand): Replace nonimmediate_operand with
22982         vector_operand.
22983         * config/i386/sse.md: Replace nonimmediate_operand with
22984         vector_operand and m constraint with Bm constraint on SSE
22985         patterns with 16-byte memory operand.
22986         * config/i386/subst.md (round_nimm_predicate): Replace
22987         nonimmediate_operand with vector_operand.
22988         (round_saeonly_nimm_predicate): Likewise.
22989         (round_saeonly_nimm_scalar_predicate): New.
22991 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
22993         PR target/68991
22994         * config/i386/constraints.md (Bm): New constraint.
22995         * config/i386/predicates.md (vector_memory_operand): New
22996         predicate.
22997         * config/i386/sse.md: Replace xm with xBm in plusminus and
22998         any_logic patterns.
23000 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
23002         PR 1078
23003         * doc/extend.texi (V850 Function Attributes): New section.
23004         (V850 Variable Attributes): New section.
23006 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
23008         PR 1078
23009         * doc/extend.texi (MicroBlaze Function Attributes): Document
23010         interrupt_handler and fast_interrupt attributes.
23012 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
23014         PR other/60465
23015         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
23016         for local symbolic operands.
23017         * config/ia64/predicates.md (local_symbolic_operand64): New
23018         predicate.
23020 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23022         PR rtl-optimization/68651
23023         * combine.c (combine_simplify_rtx): Canonicalize x + x into
23024         x << 1.
23026 2016-01-05  Nathan Sidwell  <nathan@acm.org>
23028         * alias.c (compare_base_decls): Use symtab_node::get.
23030 2016-01-05  Nick Clifton  <nickc@redhat.com>
23032         PR target/68770
23033         * ira-costs.c (copy_cost): Initialise the t_icode field of the
23034         secondary_reload_info structure.
23036         PR target/66655
23037         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
23038         decls if weak support is available.
23040 2016-01-04  Martin Sebor  <msebor@redhat.com>
23042         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
23044 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
23046         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
23047         OPTION_MASK_P9_DFORM.
23049         * config/rs6000/constraints.md (wo constraint): New constraint for
23050         ISA 3.0 (power9).
23052         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
23053         for wo constraint.
23054         (rs6000_init_hard_regno_mode_ok): Likewise.
23056         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
23057         wo constraint.
23059         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
23060         expanders not to have constraints.  Add support for ISA 3.0 xxperm
23061         instruction.  Add support for fusing xxlor with xxperm.
23062         (altivec_vperm_<mode>_internal): Likewise.
23063         (altivec_vperm_v8hiv16qi): Likewise.
23064         (altivec_vperm_<mode>v16q): Likewise.
23065         (altivec_vperm_<mode>_uns): Likewise.
23066         (vperm_v8hiv4si): Likewise.
23067         (vperm_v16qiv8hi): Likewise.
23069         * doc/md.texi (RS/6000 constraints): Document wo constraint.
23071 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
23073         Update copyright years.
23075         * gcc.c (process_command): Update copyright notice dates.
23076         * gcov-dump.c (print_version): Ditto.
23077         * gcov.c (print_version): Ditto.
23078         * gcov-tool.c (print_version): Ditto.
23079         * gengtype.c (create_file): Ditto.
23080         * doc/cpp.texi: Bump @copying's copyright year.
23081         * doc/cppinternals.texi: Ditto.
23082         * doc/gcc.texi: Ditto.
23083         * doc/gccint.texi: Ditto.
23084         * doc/gcov.texi: Ditto.
23085         * doc/install.texi: Ditto.
23086         * doc/invoke.texi: Ditto.
23088 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
23090         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
23091         modes larger than TImode as TImode if NEON is not enabled.
23093 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
23095         PR target/69100
23096         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
23097         mode for %f0-%f31 only if TARGET_FPU.
23099 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
23101         PR target/69072
23102         * config/sparc/sparc.c (scan_record_type): Take into account subfields
23103         to compute the PACKED_P predicate.
23104         (function_arg_record_value): Minor tweaks.
23106 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
23108         * doc/install.texi (--with-multilib-list): Describe the meaning of the
23109         option for arm*-*-* targets.
23111 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
23113         * doc/extend.texi (Common Function Attributes): Move docs for
23114         MSP430-specific attributes to....
23115         (MSP430 Function Attributes): ...here.  Delete the redundant
23116         entries and copy-edit the remaining text.
23117         (MSP430 Variable Attributes): Use uniform format for index
23118         entries and add a cross-reference to the corresponding function
23119         attribute docs.
23121 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
23123         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
23124         -finite-math typo.
23125         (x86 Options): Likewise.
23127 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
23129         PR 1078
23131         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
23132         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
23133         to corresponding attribute.
23135 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
23137         * doc/extend.texi (Common Function Attributes) <noplt>: Move
23138         to correct alphabetization of table.  Copy-edit and correct
23139         markup.
23140         <stack_protect>: Likewise.
23141         <target_clones>: Likewise.
23142         <simd>: Likewise.
23143         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
23144         Correct punctuation.
23145         (Code Gen Options) <-fno-plt>: Copy-edit.
23147 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
23149         PR target/68917
23150         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
23151         SI values.  Explicitly convert SI to DI and vice-versa.
23153 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
23155         PR tree-optimization/69070
23156         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
23157         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
23159         PR sanitizer/69055
23160         * ubsan.c (ubsan_instrument_float_cast): Call
23161         initialize_sanitizer_builtins.
23163         PR target/69015
23164         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
23166 Copyright (C) 2016 Free Software Foundation, Inc.
23168 Copying and distribution of this file, with or without modification,
23169 are permitted in any medium without royalty provided the copyright
23170 notice and this notice are preserved.