PR tree-optimization/80079
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1 2017-03-17  Marek Polacek  <polacek@redhat.com>
2             Markus Trippelsdorf  <markus@trippelsdorf.de>
4         PR tree-optimization/80079
5         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
6         m_stores_head.
8 2017-03-17  Richard Biener  <rguenther@suse.de>
10         PR middle-end/80075
11         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
12         Properly verify the LHS before the RHS possibly claims to be
13         handled.
14         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
15         do not throw.
17 2017-03-17  Martin Jambor  <mjambor@suse.cz>
19         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
20         (List of -O2 options): Likewise.
21         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
22         (-fipa-vrp) New.
24 2017-03-17  Tom de Vries  <tom@codesourcery.com>
26         * gcov-dump.c (print_usage): Print bug_report_url.
28 2017-03-17  Richard Biener  <rguenther@suse.de>
30         PR middle-end/80050
31         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
32         (parser::peek): Likewise.
34 2017-03-17  Richard Biener  <rguenther@suse.de>
36         PR tree-optimization/80048
37         * sese.c (free_sese_info): Properly release rename_map and
38         copied_bb_map elements.
40 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
42         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
43         Add linked-list forward and backlinks.  Insert on
44         construction, remove on destruction.
45         (class pass_store_merging): Add m_stores_head field.
46         (pass_store_merging::terminate_and_process_all_chains):
47         Iterate over m_stores_head list.
48         (pass_store_merging::terminate_all_aliasing_chains):
49         Likewise.
50         (pass_store_merging::execute): Check for debug stmts first.
51         Push new chains onto the m_stores_head stack.
53 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
55         PR target/71294
56         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
57         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
58         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
60 2017-03-16  Jeff Law  <law@redhat.com>
62         PR tree-optimization/71437
63         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
64         member function.  Implementation moved into after_dom_children
65         member function and into the threader's thread_outgoing_edges
66         function.
67         (dom_opt_dom_walker::after_dom_children): Simplify by moving
68         some code into new thread_outgoing_edges.
69         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
70         definition.  Simplify marker handling (do it here).   Assume we always
71         have the available expression and the const/copies tables.
72         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
73         and tree-vrp.c
74         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
75         * tree-vrp.c (equiv_stack): No longer file scoped.
76         (vrp_dom_walker): New class.
77         (vrp_dom_walker::before_dom_children): New member function.
78         (vrp_dom_walker::after_dom_children): Likewise.
79         (identify_jump_threads):  Setup domwalker.  Use it rather than
80         walking edges in a random order by hand.  Simplify setup/finalization.
81         (finalize_jump_threads): Remove.
82         (vrp_finalize): Do not call identify_jump_threads here.
83         (execute_vrp): Do it here instead and call thread_through_all_blocks
84         here too.
86         PR tree-optimization/71437
87         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
88         callers changed.
89         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
90         callers changed.
91         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
92         (dom_opt_dom_walker::thread_across_edge): Remove
93         handle_dominating_asserts argument.  All callers changed.
94         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
95         changes.  Remove calls to lhs_of_dominating_assert.  Other
96         uses of handle_dominating_asserts turn into unconditional code
97         (simplify_control_stmt_condition_1): Likewise.
98         (simplify_control_stmt_condition): Likewise.
99         (thread_through_normal_block, thread_across_edge): Likewise.
100         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
101         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
102         object if it is not an SSA_NAME.
103         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
104         before calling into the VRP specific simplifiers.
105         (identify_jump_threads): Remove handle_dominating_asserts
106         argument.
108 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
110         PR fortran/79886
111         * tree-diagnostic.c (default_tree_printer): No longer static.
112         * tree-diagnostic.h (default_tree_printer): New prototype.
114 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
116         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
117         Change ins into fmov.
119 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
121         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
122         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
123         Use h_con constraint for operand 1.
124         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
125         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
127 2017-03-15  Jeff Law  <law@redhat.com>
129         PR tree-optimization/71437
130         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
131         (record_temporary_equivalences): Use it.
133         PR tree-optimization/71437
134         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
135         tree-ssa-scopedtables.
136         (lookup_avail_expr, build_and_record_new_cond): Likewise.
137         (record_conditions, record_cond, vuse_eq): Likewise.
138         (record_edge_info): Adjust to API tweak of record_conditions.
139         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
140         (record_temporary_equivalences, optimize_stmt): Likewise.
141         (eliminate_redundant_computations): Likewise.
142         (record_equivalences_from_stmt): Likewise.
143         * tree-ssa-scopedtables.c: Include options.h and params.h.
144         (vuse_eq): New function, moved from tree-ssa-dom.c
145         (build_and_record_new_cond): Likewise.
146         (record_conditions): Likewise.  Accept vector of conditions rather
147         than edge_equivalence structure for first argument.
148         for the first argument.
149         (avail_exprs_stack::lookup_avail_expr): New member function, moved
150         from tree-ssa-dom.c.
151         (avail_exprs_stack::record_cond): Likewise.
152         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
153         from tree-ssa-dom.c.
154         (avail_exprs_stack): Add new member functions lookup_avail_expr
155         and record_cond.
156         (record_conditions): Declare.
158 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
160         PR target/80017
161         * lra-constraints.c (process_alt_operands): Increase reject for
162         reloading an input/output operand.
164 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
166         PR target/79038
167         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
168         insns to convert from signed/unsigned char/short to IEEE 128-bit
169         floating point.
170         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
172 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
174         PR target/80019
175         * config/i386/i386.c (ix86_vector_duplicate_value): Create
176         subreg of inner mode for values already in registers.
178 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
180         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
181         iteration reg is used after the loop.
183 2017-03-14  Martin Sebor  <msebor@redhat.com>
185         PR tree-optimization/79800
186         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
187         precision in negative-positive range.
188         (format_floating): Call non-const overload with adjusted precision.
190 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
192         PR target/79947
193         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
194         -mpowerpc-gfxopt.
196 2017-03-14  Martin Sebor  <msebor@redhat.com>
198         PR middle-end/80020
199         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
200         * builtins.def (aligned_alloc): Use it.
202         PR c/79936
203         * Makefile.in (GTFILES): Add calls.c.
204         * calls.c: Include "gt-calls.h".
206 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
208         PR rtl-optimization/79728
209         * regs.h (struct target_regs): New field
210         x_contains_allocatable_regs_of_mode.
211         (contains_allocatable_regs_of_mode): New macro.
212         * reginfo.c (init_reg_sets_1): Initialize it, and change
213         contains_reg_of_mode so it includes global regs as well.
214         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
215         rather than contains_regs_of_mode.
217 2017-03-14  Martin Liska  <mliska@suse.cz>
219         * doc/invoke.texi: Document options that can't be combined with
220         -fcheck-pointer-bounds.
222 2017-03-14  Martin Liska  <mliska@suse.cz>
224         PR middle-end/79831
225         * doc/invoke.texi (-Wchkp): Document the option.
227 2017-03-14  Martin Liska  <mliska@suse.cz>
229         * Makefile.in: Install gcov-dump.
231 2017-03-14  Martin Liska  <mliska@suse.cz>
233         * multiple_target.c (expand_target_clones): Bail out for
234         an invalid attribute.
236 2017-03-14  Richard Biener  <rguenther@suse.de>
238         * alias.c (struct alias_set_entry): Pack properly.
239         * cfgloop.h (struct loop): Likewise.
240         * cse.c (struct set): Likewise.
241         * ipa-utils.c (struct searchc_env): Likewise.
242         * loop-invariant.c (struct invariant): Likewise.
243         * lra-remat.c (struct cand): Likewise.
244         * recog.c (struct change_t): Likewise.
245         * rtl.h (struct address_info): Likewise.
246         * symbol-summary.h (function_summary): Likewise.
247         * tree-loop-distribution.c (struct partition): Likewise.
248         * tree-object-size.c (struct object_size_info): Likewise.
249         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
250         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
251         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
252         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
253         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
254         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
255         (struct _stmt_vec_info): Likewise.
257 2017-03-14  Martin Liska  <mliska@suse.cz>
259         PR target/79892
260         * multiple_target.c (create_dispatcher_calls): Check that
261         a target can create a function dispatcher.
263 2017-03-14  Martin Liska  <mliska@suse.cz>
265         PR lto/66295
266         * multiple_target.c (expand_target_clones): Drop local.local
267         flag for default implementation.
269 2017-03-14  Richard Biener  <rguenther@suse.de>
271         PR tree-optimization/80030
272         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
274 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
276         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
277         gcc_fallthrough() instead of __attribute__((fallthrough));
279 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
281         * doc/gcc.texi: Remove "up" link to (DIR).
282         * doc/gccint.texi: Ditto.
284 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
285         
286         * doc/install.texi (Specific) <avr>: Remove reference to
287         binutils 2.13.
289 2017-03-13  Jeff Law  <law@redhat.com>
291         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
292         attribute rather than comments.
294         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
295         match_scratch operand is highest.
297 2017-03-13  Martin Liska  <mliska@suse.cz>
299         PR middle-end/78339
300         * ipa-pure-const.c (warn_function_noreturn): If the declarations
301         is a CHKP clone, use original declaration.
303 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
305         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
306         (arc_conditional_register_usage): Use a different allocation order
307         when optimizing for size.
308         * common/config/arc/arc-common.c (arc_option_optimization_table):
309         Section anchors default on when optimizing for size.
311 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
313         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
315 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
317         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
318         * config/arc/arc.md (cpu_facility): Add cd variant.
319         (*movqi_insn): Add code density variant.
320         (*movhi_insn): Likewise.
321         (*movqi_insn): Likewise.
322         (*addsi3_mixed): Likewise.
323         (subsi3_insn): Likewise.
325 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
327         * config/arc/arc.md (movsi_cond_exec): Update constraint.
329 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
331         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
332         expressions with MINUS and UNARY ops.
334 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
336         PR target/79911
337         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
338         Rename to...
339         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
340         between vec_select and vector argument.
341         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
342         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
343         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
344         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
345         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
346         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
348 2017-03-13  Richard Biener  <rguenther@suse.de>
350         PR other/79991
351         * params.def (vect-max-peeling-for-alignment): Fix typo.
353 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
355         * doc/install.texi (Specific) <mips-*-*>: Remove description of
356         issue that only occurred with binutils below 2.18.
357         
358 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
360         * doc/install.texi (Specific) <cris-axis-elf>: No longer
361         refer to binutils 2.11/2.12 minimum.
363 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
365         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
366         ftp.kernel.org and simplify binutils requirement.
368 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
370         * doc/invoke.texi (Warning Options): Fix spelling of link-time
371         optimization.
372         (Optimize Options): Ditto.  Also remove redundancy.
374 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
376         PR translation/79848
377         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
378         "%qs".
379         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
380         to G_ to avoid double translation.
382 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
384         PR translation/79923
385         * auto-profile.c (get_combined_location): Convert leading
386         character of diagnostics to lower case and remove trailing period.
387         (read_profile): Likewise for various diagnostics.
388         * config/arm/arm.c (arm_option_override): Remove trailing period
389         from various diagnostics.
390         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
391         (msp430_expand_delay_cycles): Likewise.
393 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
395         PR target/79925
396         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
397         full command-line argument, rather than just "str".
398         (aarch64_validate_march): Likewise.
399         (aarch64_validate_mtune): Likewise.
401 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
403         PR rtl-optimization/78911
404         * lra-assigns.c (must_not_spill_p): New function.
405         (spill_for): Use it.
407 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
409         PR tree-optimization/79981
410         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
411         ATOMIC_COMPARE_EXCHANGE ifn result.
412         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
413         IFN_ATOMIC_COMPARE_EXCHANGE.
415 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
417         PR driver/79875
418         * opts.c (parse_sanitizer_options): Add missing question mark to
419         "did you mean" message.
421 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
423         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
424         built-in.
425         (VMULEUH_UNS): Likewise.
426         (VMULOUB_UNS): Likewise.
427         (VMULOUH_UNS): Likewise.
428         * config/rs6000/rs6000.c (builtin_function_type): Remove
429         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
431 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
433         PR bootstrap/79952
434         * read-rtl-function.c (function_reader::read_rtx_operand): Update
435         x with result of extra_parsing_for_operand_code_0.
436         (function_reader::extra_parsing_for_operand_code_0): Convert
437         return type from void to rtx, returning x.  When reading
438         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
439         larger size containing struct block_symbol.
441 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
443         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
444         -mfloat128-hardware without -m64.
446 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
448         PR target/79941
449         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
450         entries to the case statement that marks unsigned arguments to
451         overloaded functions.
453 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
455         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
456         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
458 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
460         PR target/79907
461         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
462         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
464 2017-03-10  Martin Liska  <mliska@suse.cz>
466         PR target/65705
467         PR target/69804
468         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
469         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
470         FIELD != NULL.
472 2017-03-10  Olivier Hainque  <hainque@adacore.com>
474         * tree-switch-conversion (array_value_type): Start by resetting
475         candidate type to it's main variant.
477 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
479         PR rtl-optimization/79909
480         * combine.c (try_combine): Use simplify_replace_rtx on individual
481         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
482         of the whole CALL_INSN_FUNCTION_USAGE.
484         PR tree-optimization/79972
485         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
486         get_range_info on SSA_NAMEs.  Formatting fixes.
488 2017-03-10  Richard Biener  <rguenther@suse.de>
489             Jakub Jelinek  <jakub@redhat.com>
491         PR tree-optimization/77975
492         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
493         edge to be constant.
494         (get_val_for): For constant x return it.  Formatting fix.
495         (loop_niter_by_eval): Avoid pointless looping if the next iteration
496         would use the same bases as the current one.
498 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
500         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
501         instead of vec_select for V1TImode.
502         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
503         longer needed.
504         (VSX_LE_128): Add V1TI to this mode iterator.
505         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
506         (*vsx_le_perm_store_<mode>): Likewise.
507         (pre-reload splitter for VSX stores): Likewise.
508         (post-reload splitter for VSX stores): Likewise.
509         (*vsx_xxpermdi2_le_<mode>): Likewise.
510         (*vsx_lxvd2x2_le_<mode>): Likewise.
511         (*vsx_stxvd2x2_le_<mode>): Likewise.
513 2017-03-09  Michael Eager  <eager@eagercon.com>
515         Correct failures with --enable-checking=yes,rtl.
517         * config/microblaze/microblaze.c (microblaze_expand_shift):
518         Replace GET_CODE test with CONST_INT_P and INTVAL test with
519         test for const0_rtx.
520         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
521         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
523 2017-03-09  Richard Biener  <rguenther@suse.de>
525         PR tree-optimization/79977
526         * graphite-scop-detection.c (scop_detection::merge_sese):
527         Handle the case of extra exits to blocks dominating the entry.
529 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
531         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
532         Document rdynamic.
534 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
536         PR rtl-optimization/79949
537         * lra-constraints.c (process_alt_operands): Check memory when
538         trying to predict a cycle.  Print about the overall increase.
540 2017-03-09  Richard Biener  <rguenther@suse.de>
542         PR middle-end/79971
543         * gimple-expr.c (useless_type_conversion_p): Preserve
544         TYPE_SATURATING for fixed-point types.
546 2017-03-09  Richard Biener  <rguenther@suse.de>
548         PR ipa/79970
549         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
550         alignment of BLKmode params.
552 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
554         PR target/79913
555         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
556         (VALL_NO_V2Q): Likewise.
557         (VDQF_DF): Delete.
558         * config/aarch64/aarch64-simd.md
559         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
560         iterator.
561         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
562         VALL_NO_V2Q mode iterator.
563         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
565 2017-03-09  Martin Liska  <mliska@suse.cz>
567         PR tree-optimization/79631
568         * tree-chkp-opt.c (chkp_is_constant_addr): Call
569         tree_int_cst_sign_bit just for INTEGER constants.
571 2017-03-09  Martin Liska  <mliska@suse.cz>
573         PR target/65705
574         PR target/69804
575         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
576         sanitizers.
578 2017-03-09  Marek Polacek  <polacek@redhat.com>
580         PR c++/79672
581         * tree.c (inchash::add_expr): Handle TREE_VEC.
583 2017-03-09  Martin Liska  <mliska@suse.cz>
585         PR ipa/79764
586         (chkp_narrow_size_and_offset): New function.
587         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
588         (void chkp_parse_bit_field_ref): New function.
589         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
590         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
592 2017-03-09  Martin Liska  <mliska@suse.cz>
594         PR ipa/79761
595         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
596         (chkp_find_bounds_1): Remove gcc_unreachable.
598 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
600         PR sanitizer/79944
601         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
602         BUILT_IN_SYNC*, determine the access type from the size suffix and
603         always build a MEM_REF with that type.  Handle forgotten
604         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
606         PR target/79932
607         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
608         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
609         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
610         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
611         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
612         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
613         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
614         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
615         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
616         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
617         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
618         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
619         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
620         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
621         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
622         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
623         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
624         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
625         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
626         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
627         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
628         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
629         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
630         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
631         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
632         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
633         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
634         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
635         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
636         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
637         definitions outside of __OPTIMIZE__ guarded section.
639         PR target/79932
640         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
641         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
642         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
643         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
644         guarded section.
646 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
648         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
649         ("vfenez<mode>"): Add missing constraints.
651 2017-03-08  Martin Sebor  <msebor@redhat.com>
653         PR target/79928
654         * config/nds32/nds32.c (nds32_option_override): 
656 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
658         PR c/79940
659         * gimplify.c (gimplify_omp_for): Replace index var in outer
660         taskloop statement with an artificial variable and add
661         OMP_CLAUSE_PRIVATE clause for it.
663 2017-03-08  Richard Biener  <rguenther@suse.de>
665         PR tree-optimization/79955
666         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
667         for accesses that are completely outside of the variable.
669 2017-03-08  Andrew Haley  <aph@redhat.com>
671         PR tree-optimization/79943
672         * tree-ssa-loop-split.c (compute_new_first_bound): When
673         calculating the new upper bound, (END-BEG) should be added, not
674         subtracted.
676 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
678         * config/avr/avr.md (setmemhi): Make sure match_dup
679         operand number comes before match_scratch.
681 2017-03-08  Richard Biener  <rguenther@suse.de>
683         PR tree-optimization/79920
684         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
685         with ncopies == 1 to ...
686         (vect_transform_slp_perm_load): ... here.  Properly compute
687         all element loads by iterating VF times over the group.  Do
688         not handle ncopies (computed in a broken way) in
689         vect_create_mask_and_perm.
691 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
693         PR sanitizer/79904
694         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
695         is a uniform vector, use uniform_vector_p return value instead of
696         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
698 2017-03-07  Marek Polacek  <polacek@redhat.com>
700         PR middle-end/79809
701         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
702         (alloca_call_type): Likewise.
704 2017-03-07  Martin Liska  <mliska@suse.cz>
706         * gcov.c (process_args): Put comment to correct location.
708 2017-03-07  Martin Liska  <mliska@suse.cz>
710         PR middle-end/68270
711         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
712         Use array_at_struct_end_p instead of DECL_CHAIN (field).
713         (chkp_narrow_bounds_for_field): Likewise.
714         (chkp_parse_array_and_component_ref): Pass one more argument to
715         call.
717 2017-03-07  Richard Biener  <rguenther@suse.de>
719         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
720         preheaders.
722 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
724         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
725         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
727 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
729         PR c/79855
730         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
731         to end of description.
732         (PARAM_MAX_STORES_TO_MERGE): Likewise.
734 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
736         PR rtl-optimization/79901
737         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
738         ...
739         (*avx512f_<code><mode>3<mask_name>): ... this.
740         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
741         iterator instead of VI8_AVX2_AVX512BW.
743         PR rtl-optimization/79901
744         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
745         min/max expander, expand it using expand_vec_cond_expr.
747         PR sanitizer/79897
748         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
749         temporary.
751 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
753         PR c++/79821
754         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
755         to void * for PCH reasons.
756         * dwarf2out.c (output_loc_operands, output_die): Cast
757         v.val_vec.array to unsigned char *.
759 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
761         PR target/77850
762         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
763         vector types.
765 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
767         PR rtl-optimization/79571
768         * lra-constraints.c (process_alt_operands): Calculate static
769         reject and subtract it from overall when only addresses will be
770         reloaded.
772 2017-03-06  Julia Koval  <julia.koval@intel.com>
774         PR target/79793
775         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
776         incoming stack boundary to 128 for 64-bit targets.
778 2017-03-06  Richard Biener  <rguenther@suse.de>
780         PR tree-optimization/79894
781         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
782         to NULL after folding it.
784 2017-03-06  Richard Biener  <rguenther@suse.de>
786         PR tree-optimization/79824
787         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
788         check disabling peeling for gaps.
790 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
792         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
793         attributes): Document gettimeofday.
795 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
797         * config/s390/s390.c (s390_option_override_internal): Set
798         PARAM_MIN_VECT_LOOP_BOUND
800 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
802         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
803         * config/s390/s390.md: Likewise.
805 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
807         PR target/79812
808         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
809         (<avx2_avx512>_perm<mode>): Rename to ...
810         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
811         of VI8F_256_512.
812         (<avx512>_perm<mode>_mask): Rename to ...
813         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
814         of VI8F_256_512.
815         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
816         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
817         instead of VI8F_256_512.
818         (avx512f_perm<mode>): New define_expand.
819         (avx512f_perm<mode>_mask): Likewise.
820         (avx512f_perm<mode>_1<mask_name>): New define_insn.
821         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
823 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
825         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
826         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
827         if_then_else.
828         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
830 2017-03-06  Martin Liska  <mliska@suse.cz>
832         PR sanitize/79783
833         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
834         when having a SSA NAME w/o VAR_DECL assigned to it.
836 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
838         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
839         msa_dpsub_<su>_d): Fix MODE for vec_select.
841 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
843         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
844         argument.
845         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
847 2017-03-06  Richard Biener  <rguenther@suse.de>
849         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
850         * plugin.c (register_plugin_info): Likewise.
851         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
853 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
855         * config/i386/sse.md (sse_storehps, sse_storelps,
856         avx_<castmode><avxsizesuffix>_<castmode>,
857         avx512f_<castmode><avxsizesuffix>_<castmode>,
858         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
859         in condition that at least one operand is not a MEM.
861 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
863         PR middle-end/79805
864         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
865         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
866         ECF_NOTHROW.
867         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
868         gimple_call_nothrow_p flag based on whether original builtin can throw.
869         If it can, emit following stmts on the fallthrough edge.
870         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
871         don't create new bb if inserting just debug stmts on the edge, try to
872         insert them on the fallthru bb or just reset debug stmts.
874 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
876         PR target/43763
877         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
878         restore recog_data (including the operand rtxes inside it) around
879         the call to get_insn_template.
881 2017-03-03  Martin Sebor  <msebor@redhat.com>
883         PR tree-optimization/79699
884         * context.c (context::~context): Free MPFR caches to avoid
885         a memory leak on program exit.
887 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
889         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
890         Use wide_int::ulow () instead of .elt (0).
892 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
894         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
895         (*pushxf): Limit oF constraint to 32bit targets and add oC
896         constraint for 64bit targets.
897         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
898         (*pushdf): Change rmF constraint to rmC.
900 2017-03-03  Martin Liska  <mliska@suse.cz>
902         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
903         Remove unused variable.
905 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
907         PR target/79807
908         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
909         is a memory operand, increase num_memory.
910         (ix86_expand_args_builtin): Likewise.
912 2017-03-03  Jan Hubicka  <jh@suse.cz>
914         PR lto/79760
915         * ipa-devirt.c (maybe_record_node): Properly handle
916         __cxa_pure_virtual visibility.
918 2017-03-03  Martin Liska  <mliska@suse.cz>
920         PR tree-optimization/79803
921         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
922         assert.
923         (pass_loop_prefetch::execute): Disabled optimization if an
924         assumption about L1 cache size is not met.
926 2017-03-03  Martin Liska  <mliska@suse.cz>
928         PR rtl-optimization/79574
929         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
930         (hash_scan_set): Likewise.
931         (dump_hash_table): Likewise.
932         (hoist_code): Likewise.
934 2017-03-03  Richard Biener  <rguenther@suse.de>
936         * fixed-value.c (fixed_from_string): Restore use of elt (1)
937         in place of uhigh ().
938         (fixed_convert_from_real): Likewise.
940 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
942         PR target/79514
943         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
945 2017-03-03  Richard Biener  <rguenther@suse.de>
947         PR middle-end/79818
948         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
949         TYPE_OVERFLOW_UNDEFINED check.
951 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
953         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
954         numbers.
955         (vector_ae_<mode>_p): Likewise.
956         (vector_nez_<mode>_p): Likewise.
957         (vector_ne_v2di_p): Likewise.
958         (vector_ae_v2di_p): Likewise.
959         (vector_ne_<mode>_p): Likewise.
960         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
961         numbers.
962         (vsx_tsqrt<mode>2_fe): Likewise.
964 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
966         PR target/79514
967         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
969 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
971         PR rtl-optimization/79780
972         * cprop.c (one_cprop_pass): When second and further conditional trap
973         in a single basic block is turned into an unconditional trap, turn it
974         into a deleted note to avoid RTL verification failures.
976 2017-03-02  Richard Biener  <rguenther@suse.de>
978         * fold-const.c (const_binop): Use ulow () instead of elt (0).
980 2017-03-02  Richard Biener  <rguenther@suse.de>
982         PR tree-optimization/79345
983         PR c++/42000
984         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
985         param and abort the walk, returning -1 if it is hit.
986         (walk_aliased_vdefs): Take a limit param and pass it on.
987         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
988         defaulting to 0 and return a signed int.
989         * tree-ssa-uninit.c (struct check_defs_data): New struct.
990         (check_defs): New helper.
991         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
992         about uninitialized memory.
993         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
994         bogus uninitialized warning.
995         (fixed_convert_from_real): Likewise.
997 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
999         PR tree-optimization/66768
1000         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
1001         iv_use if base object can't be determined.
1003 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
1005         PR tree-optimization/79345
1006         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
1007         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
1008         (get_pattern_stats): Initialize it.
1009         * genemit.c (gen_expand): Verify match_scratch numbers come after
1010         match_operand/match_dup numbers.
1011         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
1012         match_scratch numbers.
1013         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
1014         Likewise.
1015         * config/s390/s390.md (trunctdsd2): Likewise.
1017 2017-03-02  Richard Biener  <rguenther@suse.de>
1019         * wide-int.h (wide_int_storage::operator=): Implement in terms
1020         of wi::copy.
1022 2017-03-02  Richard Biener  <rguenther@suse.de>
1024         PR tree-optimization/79777
1025         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
1026         the to insert expression to sth existing.
1028 2017-03-01  Martin Sebor  <msebor@redhat.com>
1030         PR middle-end/79692
1031         * gimple-ssa-sprintf.c
1032         (directive::known_width_and_precision): New function.
1033         (format_integer): Use it.
1034         (get_mpfr_format_length): Consider the full range of precision
1035         when computing %g output with the # flag.  Set the likely byte
1036         count to 3 rather than 1 when precision is indeterminate.
1037         (format_floating): Correct the lower bound of precision.
1039 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1041         * doc/invoke.texi: Document default code model for 64-bit Linux.
1043 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1045         PR target/79752
1046         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
1047         udiv rather than div since input pattern is unsigned.
1049 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
1051         * config/i386/i386.c (print_reg): Warn for values of
1052         unsupported size in integer register.
1054 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1056         PR target/79439
1057         * config/rs6000/predicates.md (current_file_function_operand): Do
1058         not allow self calls to be local if the function is replaceable.
1060 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1062         PR target/79395
1063         * config/rs6000/altivec.h (vec_ctz and others): Change the
1064         preprocessor macro that controls conditional compilation from
1065         _ARCH_PWR9 to __POWER9_VECTOR__.
1066         (vec_all_ne): Change parameterization of __altivec_scalar_pred
1067         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
1068         control (instead of _ARCH_PWR9 control) so that template
1069         definition uses power9-specific function.
1070         (vec_any_eq): Likewise.
1071         (vec_all_ne): Change macro definition to use a power9-specific
1072         expansion under #ifdef __POWER9_VECTOR__ control (instead of
1073         _ARCH_PWR9 control).
1074         (vec_any_eq) Likewise.
1075         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
1076         expansion for CMPNEF to remove support for xvcmpnesp instruction.
1077         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
1078         support for xvcmpnedp instruction.
1079         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
1080         macro expansion so that Power9 implementation of vec_all_ne does
1081         not use the AltiVec predicate framework.
1082         (VCMPNEH_P): Likewise.
1083         (VCMPNEW_P): Likewise.
1084         (VCMPNED_P): Likewise.
1085         (VCMPNEFP_P): Likewise.
1086         (VCMPNEDP_P): Likewise.
1087         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
1088         implementation of vec_any_eq to not use AltiVec predicate
1089         framework.
1090         (VCMPAEH_P): Likewise.
1091         (VCMPAEW_P): Likewise.
1092         (VCMPAED_P): Likewise.
1093         (VCMPAEFP_P): Likewise.
1094         (VCMPAEDP_P): Likewise.
1095         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
1096         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
1097         not use the AltiVec predicate framework.
1098         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
1099         of vec_any_eq to not use AltiVec predicate framework.
1100         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
1101         support for predefined __POWER9_VECTOR__ macro to indicate that
1102         Power9 instruction selection is enabled.
1103         (altivec_overloaded_builtins): Remove extraneous
1104         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
1105         function argument types RS6000_BTI_bool_V16QI and
1106         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
1107         entry for overloaded function argument types RS6000_BTI_bool_V4SI
1108         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
1109         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
1110         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
1111         Power9 for implementations of vec_cmpne.  Change the signature for
1112         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
1113         (representing vec_all_ne) to remove the previously described first
1114         argument of type RS6000_BTI_INTSI, as this was an artifact of
1115         reliance on the AltiVec predicate framework, which is no longer
1116         used in the implementation of these functions.  Add
1117         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
1118         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
1119         since, unlike the AltiVec predicate framework implementation, we
1120         do not share function descriptors between vec_alle and vec_anyeq.
1121         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
1122         set of modes that receive special treatment even when
1123         TARGET_P9_VECTOR is true.  The special treatment emits code that
1124         does not depend on Power9 instructions.
1125         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
1126         define_expand to not rely on AltiVec predicate framework.
1127         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
1128         function.
1129         (vector_ne_v2di_p): Change this define_expand to not rely on
1130         AltiVec predicate framework.
1131         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
1132         function.
1133         (vector_ne_<mode>_p): Change this define_expand to not rely on
1134         AltiVec predicate framework.
1135         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
1136         function.
1137         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
1138         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
1139         define_insn pattern.
1140         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
1141         define_insn pattern because the xvcmpne<VSs>. instruction is not
1142         supported.
1143         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
1144         instruction is not supported.
1146 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
1148         * config/nvptx/nvptx.c: Include intl.h.
1150 2017-03-01  Martin Jambor  <mjambor@suse.cz>
1152         PR lto/78140
1153         * ipa-prop.h (ipa_bits): Removed field known.
1154         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
1155         to pointers.  Adjusted their comments to warn about their sharing.
1156         (ipcp_transformation_summary): Change bits to a vector of pointers.
1157         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
1158         (ipa_get_ipa_bits_for_value): Declare.
1159         * tree-vrp.h (value_range): Mark as GTY((for_user)).
1160         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
1161         (ipa_bits_hash_table): Likewise.
1162         (ipa_vr_ggc_hash_traits): Likewise.
1163         (ipa_vr_hash_table): Likewise.
1164         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
1165         being pointers and vr_known being removed.
1166         (ipa_set_jf_unknown): Likewise.
1167         (ipa_get_ipa_bits_for_value): New function.
1168         (ipa_set_jfunc_bits): Likewise.
1169         (ipa_get_value_range): New overloaded functions.
1170         (ipa_set_jfunc_vr): Likewise.
1171         (ipa_compute_jump_functions_for_edge): Use the above functions to
1172         construct bits and vr parts of jump functions.
1173         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
1174         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
1175         exist.
1176         (ipcp_grow_transformations_if_necessary): Also allocate
1177         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
1178         exist.
1179         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
1180         them.  Fix too long lines.
1181         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
1182         vr_known being removed.
1183         (ipa_read_jump_function): Use new setter functions to construct bits
1184         and vr parts of jump functions or set them to NULL.
1185         (write_ipcp_transformation_info): Adjust for bits being pointers.
1186         (read_ipcp_transformation_info): Likewise.
1187         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
1188         space.
1189         Include gt-ipa-prop.h.
1190         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
1191         being pointers.
1192         (ipcp_store_bits_results): Likewise.
1193         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
1194         Do not write to existing jump functions but use a temporary instead.
1196 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
1198         PR c++/79681
1199         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
1200         attempt to use its first operand as BIT_FIELD_REF base.
1202 2017-03-01  Richard Biener  <rguenther@suse.de>
1204         PR middle-end/79721
1205         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
1206         interpolating formula in wrapping arithmetic.
1207         (chrec_apply): Convert chrec_evaluate return value to wanted type.
1209 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
1211         PR tree-optimization/79734
1212         * tree-vect-generic.c (expand_vector_condition): Optimize
1213         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
1214         Handle VEC_COND_EXPR where comparison has different inner width from
1215         type's inner width.
1217 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
1219         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
1220         markup, and similar issues.  Remove @opindex entries for things
1221         that aren't options.  Add missing -mmpy-option entries.
1223 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
1225         PR tree-optimization/79737
1226         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
1227         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
1228         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
1229         instead of byte_size.  Formatting fix.
1230         (shift_bytes_in_array_right): Formatting fix.
1232 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
1234         PR target/79749
1235         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
1236         condition on optimize for the leaf function test.
1238 2017-02-28  Martin Liska  <mliska@suse.cz>
1240         PR lto/79625
1241         * read-rtl-function.c (function_reader::handle_unknown_directive):
1242         Bail out when one uses -flto.
1244 2017-02-28  Martin Liska  <mliska@suse.cz>
1246         * common.opt: Replace space with tabular for options of <number>
1247         type.
1248         * config/i386/i386.opt: Show <number> value for
1249         -mlarge-data-threshold.
1250         * opts.c (print_filtered_help): Do not display number in hexadecimal
1251         format.
1253 2017-02-28  Martin Liska  <mliska@suse.cz>
1255         * common.opt: Fix --help=option -Q for options which are of
1256         an enum type.
1258 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
1260         * config/i386/i386.c (print_reg): Error out for values
1261         of 8-bit size in invalid integer register.
1263 2017-02-28  Martin Sebor  <msebor@redhat.com>
1265         PR tree-optimization/79691
1266         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
1268 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
1270         PR target/79729
1271         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
1272         gcc_unreachable with output_operand_lossage.
1274 2017-02-28  Richard Biener  <rguenther@suse.de>
1276         PR tree-optimization/79740
1277         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
1278         inserts.
1279         (visit_nary_op): Insert the nary into the hashtable if we
1280         pattern-matched sth.
1281         * tree-ssa-pre.c (eliminate_insert): Robustify.
1283 2017-02-28  Richard Biener  <rguenther@suse.de>
1285         PR middle-end/79731
1286         * fold-const.c (decode_field_reference): Reject out-of-bound
1287         accesses.
1289 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
1291         * config/i386/i386.c: Include intl.h.
1292         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
1293         instead of just cond ? "..." : "...".
1294         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
1295         * coverage.c (read_counts_file): Likewise.
1296         * omp-offload.c: Include intl.h.
1297         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
1298         of just cond ? "..." : "...".
1299         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
1300         of just cond ? "..." : "...".
1302 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
1304         PR target/79742
1305         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
1306         entry, if present.
1307         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
1308         'tune for' CPU name.
1309         * config/arm/arm-cpu-data.h: Regenerated.
1311 2017-02-28  Richard Biener  <rguenther@suse.de>
1313         PR tree-optimization/79732
1314         * tree-inline.c (expand_call_inline): Do not shadow var.
1316 2017-02-28  Richard Biener  <rguenther@suse.de>
1318         PR tree-optimization/79723
1319         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
1320         address-space properly.
1322 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
1324         * doc/optinfo.texi (Optimization groups): Fix option used for
1325         OPTGROUP_ALL.
1326         * doc/invoke.texi (-fopt-info): Document "omp".
1327         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
1328         (OPTGROUP_ALL): Add OPTGROUP_OMP.
1329         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
1330         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
1331         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
1333         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
1334         all users.
1335         * dumpfile.c (optgroup_options): Instead of "openmp", associate
1336         OPTGROUP_OMP with "omp".
1338 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
1340         PR target/79544
1341         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
1342         for arithmetic shift of unsigned V2DI.
1344 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
1346         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
1347         arc/linux.h headers.
1348         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
1349         (LINK_SPEC): Likewise.
1350         (ARC_TLS_EXTRA_START_SPEC): Likewise.
1351         (EXTRA_SPECS): Likewise.
1352         (STARTFILE_SPEC): Likewise.
1353         (ENDFILE_SPEC): Likewise.
1354         (LIB_SPEC): Likewise.
1355         (TARGET_SDATA_DEFAULT): Likewise.
1356         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
1357         (MULTILIB_DEFAULTS): Likewise.
1358         (DWARF2_UNWIND_INFO): Likewise.
1359         * config/arc/big.h: New file.
1360         * config/arc/elf.h: Likewise.
1361         * config/arc/linux.h: Likewise.
1362         * config/arc/t-uClibc: Remove.
1364 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
1366         PR tree-optimization/77536
1367         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
1368         (tree_transform_and_unroll_loop): Use above function to compute the
1369         estimated niter of unrolled loop and use it when scaling profile.
1370         Also use count info rather than frequency if it's non-zero.
1371         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
1372         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
1373         (vect_transform_loop): Call above function.
1375 2017-02-27  Richard Biener  <rguenther@suse.de>
1377         PR tree-optimization/45397
1378         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
1379         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
1380         (visit_nary_op): Add pattern matching for CSEing sign-changed
1381         or truncated operations with wider ones.
1383 2017-02-27  Richard Biener  <rguenther@suse.de>
1385         PR tree-optimization/79690
1386         * tree-vect-stmts.c (vectorizable_store): Use vector type
1387         built from the DR with address-space.
1389 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
1391         * doc/invoke.texi (Optimize Options): Refine the description
1392         of asan-use-after-return.
1394 2017-02-25  Alan Modra  <amodra@gmail.com>
1396         PR rtl-optimization/79584
1397         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
1398         base, not ad->base_term, the reg within base.  Remove assertion
1399         that ad->base == ad->base_term.  Replace gen_int_mode using
1400         bogus mode with const0_rtx.
1402 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
1404         PR middle-end/79396
1405         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
1406         FMA_EXPR like tcc_binary or tcc_unary.
1408         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
1410         PR debug/77589
1411         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
1412         bitfield.
1413         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
1414         (output_loc_operands): Handle DW_OP_call_ref and
1415         DW_OP_GNU_variable_value.
1416         (struct variable_value_struct): New type.
1417         (struct variable_value_hasher): Likewise.
1418         (variable_value_hash): New variable.
1419         (string_types): Remove.
1420         (copy_loc_descr): New function.
1421         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
1422         (prepend_loc_descr_to_each): New function.
1423         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
1424         instead of add_loc_descr_to_each if the first argument is single
1425         location list and the second has multiple.
1426         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
1427         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
1428         when looking for variable value which doesn't have other location info.
1429         (loc_list_from_tree): Formatting fix.
1430         (gen_array_type_die): Simplify DW_AT_string_length handling.
1431         (adjust_string_types): Remove.
1432         (gen_subprogram_die): Don't call adjust_string_types nor test/set
1433         string_types.  Call resolve_variable_values.
1434         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
1435         (resolve_addr_in_expr): Likewise.  Add A argument.
1436         (copy_deref_exprloc): Remove deref argument.  Adjust for the
1437         original expression being DW_OP_GNU_variable_value with optionally
1438         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
1439         optionally after it.
1440         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
1441         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
1442         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
1443         (variable_value_hasher::hash, variable_value_hasher::equal): New
1444         methods.
1445         (resolve_variable_value_in_expr, resolve_variable_value,
1446         resolve_variable_values, note_variable_value_in_expr,
1447         note_variable_value): New functions.
1448         (dwarf2out_early_finish): Call note_variable_value on all toplevel
1449         DIEs.
1451 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
1453         PR c/79677
1454         * opts.h (handle_generated_option): Add GENERATED_P argument.
1455         * opts-common.c (handle_option): Adjust function comment.
1456         (handle_generated_option): Add GENERATED_P argument, pass it to
1457         handle_option.
1458         (control_warning_option): Pass false to handle_generated_option
1459         GENERATED_P.
1460         * opts.c (maybe_default_option): Pass true to handle_generated_option
1461         GENERATED_P.
1462         * optc-gen.awk: Likewise.
1464 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1466         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
1467         a REG, look at the REG it is a SUBREG of.
1468         (splitter for cmpeqsi_t): Ditto.
1470 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1472         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
1473         the special USEs with the pattern of the insn, not the insn itself.
1475 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
1477         PR target/79473
1478         * doc/invoke.texi: Document -mload-store-pairs.
1480 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1481             Sandra Loosemore  <sandra@codesourcery.com>
1483         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
1484         argument isn't a CONST_INT.
1485         (nios2_alternate_compare_const): Assert op is a CONST_INT.
1486         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
1487         (nios2_validate_compare): Bypass alternate compare logic if *op2
1488         is not a CONST_INT.
1489         (ldstwm_operation_p): Return false if first_base is not a REG or
1490         if first_offset is not a CONST_INT.
1492 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1494         * config/cris/cris.md: Use correct operand in a define_peephole2.
1496 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1498         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
1500 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1502         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
1503         this_insn if it is an INSN or JUMP_INSN.
1504         (force_offsettable): Look at base, not at addr.
1505         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
1506         on things that aren't necessarily CONST_INTs.
1508 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
1510         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
1511         -mfpmath=sse is the default also for x86-32 targets with SSE2
1512         instruction set when @option{-ffast-math} is enabled
1514 2017-02-24  Jeff Law  <law@redhat.com>
1516         PR rtl-optimizatoin/79286
1517         * ira.c (update_equiv_regs): Drop may_trap_p exception to
1518         dominance test.
1520 2017-02-24  Richard Biener  <rguenther@suse.de>
1522         PR tree-optimization/79389
1523         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
1524         debug insns.
1526 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
1528         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
1529         function comment to reflect reality.
1530         (loop_exits_before_overflow): Fix typo in function description.
1532 2017-02-24  Richard Biener  <rguenther@suse.de>
1534         PR tree-optimization/79389
1535         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
1536         properly that a threading opportunity exists.  Detect conditional
1537         copy/constant propagation opportunities.
1539 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1541         * config/visium/visium.md (type): Add trap.
1542         (b): New mode attribute.
1543         (*btst): Rename into...
1544         (*btst<mode>): ...this and adjust.
1545         (*cbranchsi4_btst_insn): Rename into...
1546         (*cbranch<mode>4_btst_insn): ...this and adjust.
1547         (trap): New define_insn.
1549 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
1551         PR tree-optimization/79389
1552         * ifcvt.c (struct noce_if_info): Add rev_cond field.
1553         (noce_reversed_cond_code): New function.
1554         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
1555         reversed_comparison_code.  Formatting fix.
1556         (noce_try_store_flag): Test rev_cond != NULL in addition to
1557         reversed_comparison_code.
1558         (noce_try_store_flag_constants): Likewise.
1559         (noce_try_store_flag_mask): Likewise.
1560         (noce_try_addcc): Use rev_cond if non-NULL instead of
1561         reversed_comparison_code.
1562         (noce_try_cmove_arith): Likewise.  Formatting fixes.
1563         (noce_try_minmax, noce_try_abs): Clear rev_cond.
1564         (noce_find_if_block): Initialize rev_cond.
1565         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
1566         instead of false as last argument never attempt to reverse it
1567         afterwards.
1569 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
1571         PR tree-optimization/79663
1572         * tree-predcom.c (combine_chains): Process refs in reverse order
1573         only for ZERO length chains, and add explaining comment.
1575 2017-02-23  Jeff Law  <law@redhat.com>
1577         PR tree-optimization/79578
1578         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
1579         in call to operand_equal_p.
1581 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
1583         PR target/71017
1584         * config/i386/cpuid.h: Fix another undefined behavior.
1586 2017-02-23  Richard Biener  <rguenther@suse.de>
1588         PR tree-optimization/79683
1589         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
1590         vector types for data-refs.
1592 2017-02-23  Martin Liska  <mliska@suse.cz>
1594         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
1596 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
1598         PR middle-end/79665
1599         * internal-fn.c (get_range_pos_neg): Moved to ...
1600         * tree.c (get_range_pos_neg): ... here.  No longer static.
1601         * tree.h (get_range_pos_neg): New prototype.
1602         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
1603         are known to be in between 0 and signed maximum inclusive, try to
1604         expand both unsigned and signed divmod and use the cheaper one from
1605         those.
1607 2017-02-22  Jeff Law  <law@redhat.com>
1609         PR tree-optimization/79578
1610         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
1611         to compare base operands.
1613 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
1615         PR target/79211
1616         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
1617         gpc_reg_operand instead of fpr_reg_operand.
1619 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
1621         * config/mips/mips.c (mips_return_in_memory): Force FP
1622         vector types to be returned in memory for o32 ABI.
1624 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
1626         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
1627         instead of DW_TAG_member for static data member declarations and don't
1628         set no_linkage_name for static inline data members.
1629         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
1630         to DW_TAG_member.
1632 2017-02-22  Martin Liska  <mliska@suse.cz>
1634         * doc/invoke.texi: Replace inequality signs with square brackets
1635         for -Wnormalized.
1637 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1639         PR tree-optimization/68644
1640         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
1642 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
1644         PR target/78660
1645         * lra-constraints.c (simplify_operand_subreg): Handle
1646         WORD_REGISTER_OPERATIONS targets.
1648 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
1650         PR target/70465
1651         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
1652         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
1653         elimination by swapping fld*.
1655 2017-02-22  Richard Biener  <rguenther@suse.de>
1657         PR tree-optimization/79673
1658         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
1659         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
1660         irrelevant address-space qualifiers and avoiding a
1661         ADDR_SPACE_CONVERT_EXPR from fold_convert.
1663 2017-02-22  Richard Biener  <rguenther@suse.de>
1665         PR tree-optimization/79666
1666         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
1667         to not symbolically negate if that may introduce undefined
1668         overflow.
1670 2017-02-22  Martin Liska  <mliska@suse.cz>
1672         PR lto/79587
1673         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
1674         * data-streamer-out.c (streamer_write_gcov_count_stream):
1675         Likewise.
1676         * value-prof.c (stream_out_histogram_value): Make assert more
1677         precise based on type of counter.
1679 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
1681         PR target/79593
1682         * config/i386/i386.md (standard_x87sse_constant_load splitter):
1683         Use nonimmediate_operand instead of memory_operand for operand 1.
1684         (float-extend standard_x87sse_constant_load splitter): Ditto.
1686 2017-02-21 Jeff Law  <law@redhat.com>
1688         PR tree-optimization/79621
1689         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
1690         blocks with edges to themselves.
1692 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1694         PR target/79633
1695         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
1696         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
1697         Use gimple_call_builtin_p.
1699         PR target/79570
1700         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
1701         on temporarily removed DEBUG_INSNs.
1703         PR tree-optimization/79649
1704         * tree-loop-distribution.c (classify_partition): Give up on
1705         non-generic address space loads/stores.
1707 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
1709         * doc/loop.texi (Loop manipulation): Remove nonexistent
1710         tree_ssa_loop_version from the documentation.
1711         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
1713 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1715         PR target/79494
1716         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
1717         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
1718         * config/rs6000/rs6000.c: Include except.h.
1719         (rs6000_expand_split_stack_prologue): Call
1720         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
1722 2017-02-21  Martin Jambor  <mjambor@suse.cz>
1724         PR lto/79579
1725         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
1726         have been analyzed.
1728 2017-02-21  Martin Jambor  <mjambor@suse.cz>
1730         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
1731         for backward compatibility only.
1732         * doc/invoke.texi (Option Summary): Remove all references to
1733         -fipa-cp-alignment.
1735 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
1737         PR target/78660
1738         Revert:
1739         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1741         * lra-constraints.c (curr_insn_transform): Handle
1742         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
1744 2017-02-21  Martin Liska  <mliska@suse.cz>
1746         * config/i386/i386.opt: Replace -masm-dialect with -masm.
1748 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
1750         PR translation/79638
1751         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
1753 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
1755         PR ada/67205
1756         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
1757         (arm_function_ok_for_sibcall): Return false for an indirect call by
1758         descriptor if all the argument registers are used.
1759         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
1760         alignment of the function.
1762 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1764         PR tree-optimization/61441
1765         * simplify-rtx.c (simplify_const_unary_operation): For
1766         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
1767         the sNaN unmodified.
1769 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1771         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
1772         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
1773         instead of SYSTEM_HEADER_DIR.
1775 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
1776             Martin LiÅ¡ka  <mliska@suse.cz>
1778         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
1779         Fix typos and grammar, use active voice, and clarify.
1781 2017-02-20  Marek Polacek  <polacek@redhat.com>
1783         PR middle-end/79537
1784         * gimplify.c (gimplify_expr): Handle unused *&&L;.
1786         PR sanitizer/79558
1787         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
1789 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
1791         PR target/79568
1792         * config/i386/i386.c (ix86_expand_builtin): Handle
1793         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
1794         ix86_builtins_isa[fcode].isa as a requirement of those
1795         flags and any other flag in the bitmask.
1796         (ix86_init_mmx_sse_builtins): Use 0 instead of
1797         ~OPTION_MASK_ISA_64BIT as mask.
1798         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
1799         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
1800         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
1801         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
1803 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1805         PR target/78012
1806         * lra-constraints.c (split_reg): Check requested split mode
1807         is supported by the register.
1809 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1811         * lra-constraints.c (simplify_operand_subreg): Remove early
1812         return false.
1814 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1816         PR target/78660
1817         * lra-constraints.c (curr_insn_transform): Tighten condition
1818         for converting SUBREG reloads from OP_OUT to OP_INOUT.
1820 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1822         PR target/78660
1823         * lra-constraints.c (curr_insn_transform): Handle
1824         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
1826 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
1828         Revert:
1829         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
1831         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
1833 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
1835         PR c++/69523
1836         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
1837         description.
1839 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1841         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
1842         for FMA_EXPR.
1844 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
1846         * final.c (last_columnnum, override_columnnum): New variables.
1847         (final_start_function): Set last_columnnum, pass it to begin_prologue
1848         hook and pass 0 to dwarf2out_begin_prologue.
1849         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
1850         to source_line debug hook.
1851         (notice_source_line): Compute last_columnnum and for debug_column_info
1852         return true on column changes.
1853         * debug.h (struct gcc_debug_hooks): Add column argument to
1854         source_line and begin_prologue hooks.
1855         (debug_nothing_int_charstar_int_bool): Remove prototype.
1856         (debug_nothing_int_int_charstar,
1857         debug_nothing_int_int_charstar_int_bool): New prototypes.
1858         (dwarf2out_begin_prologue): Add column argument.
1859         * debug.c (do_nothing_debug_hooks): Adjust source_line and
1860         begin_prologue hooks.
1861         (debug_nothing_int_charstar_int_bool): Remove.
1862         (debug_nothing_int_int_charstar,
1863         debug_nothing_int_int_charstar_int_bool): New functions.
1864         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
1865         through to dwarf2out_source_line.
1866         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
1867         (dwarf2out_source_line): Add column argument, emit it if requested.
1868         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
1869         arguments.
1870         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
1871         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
1872         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
1873         through to dwarf2out_begin_prologue.
1874         (vmsdbgout_source_line): Add column argument, pass it through to
1875         dwarf2out_source_line.
1876         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
1877         dbxout_source_line caller.
1878         (dbxout_source_line): Add column argument.
1880         * common.opt (gno-column-info, gcolumn-info): New options.
1881         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
1882         (check_die): Also test for multiple DW_AT_decl_column attributes.
1883         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
1884         DW_AT_decl_column if requested.
1885         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
1886         if requested.
1887         (gen_variable_die): Likewise.
1888         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
1889         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
1891         PR target/79569
1892         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
1893         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
1894         (ix86_handle_option): Handle OPT_m3dnowa.
1895         * doc/invoke.texi (-m3dnowa): Document.
1896         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
1897         -m3dnowa instead of -m3dnow -march=athlon.
1899         PR target/79559
1900         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
1901         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
1903 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1905         PR target/79261
1906         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
1907         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
1908         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
1909         generator for vsx_xxpermdi_<mode>_be.
1910         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
1911         force big-endian semantics.
1912         (vsx_xxpermdi_<mode>_be): New define_expand with same
1913         implementation as previous version of vsx_xxpermdi_<mode>.
1915 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
1917         PR tree-optimization/79327
1918         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
1919         variable, its initialization and use.
1921 2017-02-17  Julia Koval  <julia.koval@intel.com>
1923         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
1924         (OPTION_MASK_ISA_PKU_UNSET): New.
1925         (ix86_handle_option): Handle -mrdpid.
1926         * config/i386/cpuid.h (bit_RDPID): New.
1927         * config/i386/driver-i386.c (host_detect_local_cpu):
1928         Detect RDPID feature.
1929         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
1930         * config/i386/i386-c.c (ix86_target_macros_internal):
1931         Handle RDPID flag.
1932         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
1933         (ix86_valid_target_attribute_inner_p): Add "rdpid".
1934         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
1935         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
1936         * config/i386/i386.md (define_insn "rdpid"): New.
1937         * config/i386/i386.opt Add -mrdpid.
1938         * config/i386/immintrin.h (_rdpid_u32): New.
1940 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
1942         PR rtl-optimization/79541
1943         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
1944         instead of transforming it into USE.
1946 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
1948         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
1949         If HONOR_SNANS (SFmode) force the input to a register.
1950         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
1951         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
1952         an frsp or similar insn.
1954 2017-02-17  Martin Liska  <mliska@suse.cz>
1956         PR rtl-optimization/79577
1957         * params.def (selsched-max-sched-times): Increase minimum to 1.
1959 2017-02-17  Martin Liska  <mliska@suse.cz>
1961         PR rtl-optimization/79574
1962         * gcse.c (want_to_gcse_p): Prevent integer overflow.
1964 2017-02-17  Martin Liska  <mliska@suse.cz>
1966         PR tree-optimization/79529
1967         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
1968         ssa_defined_default_def_p to handle cases which are implicitly
1969         defined.
1970         * tree-ssa.c (ssa_defined_default_def_p): New function.
1971         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
1972         which are implicitly defined.
1973         * tree-ssa.h (ssa_defined_default_def_p): Declare.
1975 2017-02-17  Richard Biener  <rguenther@suse.de>
1977         PR middle-end/79576
1978         * params.def (max-ssa-name-query-depth): Limit to 10.
1980 2017-02-17  Richard Biener  <rguenther@suse.de>
1982         PR tree-optimization/79552
1983         * tree-ssa-structalias.c (visit_loadstore): Properly verify
1984         default defs.
1986 2017-02-17  Richard Biener  <rguenther@suse.de>
1988         PR bootstrap/79567
1989         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
1991 2017-02-17  Marek Polacek  <polacek@redhat.com>
1993         PR middle-end/79536
1994         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
1995         (fold_negate_expr): New wrapper.
1997 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1999         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
2000         Correct terminology and de-emphasize pre-standard behavior.
2002 2017-02-16  Alan Modra  <amodra@gmail.com>
2004         PR rtl-optimization/79286
2005         * ira.c (def_dominates_uses): New function.
2006         (update_equiv_regs): Don't create an equivalence for insns that
2007         may trap where the register def does not dominate the use.
2009 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
2011         PR rtl-optimization/78127
2012         * lra.c (lra): Call lra_eliminate before finish the loop after
2013         lra_constraint.
2015 2017-02-16  Richard Biener  <rguenther@suse.de>
2017         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
2018         isl/isl_val.h.
2019         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
2020         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
2021         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
2022         (isl_val_int_from_wi): New function.
2023         (extract_affine_gmp): Rename to ...
2024         (extract_affine_wi): ... this, take a widest_int.
2025         (extract_affine_int): Just wrap extract_affine_wi.
2026         (add_param_constraints): Use isl_val_int_from_wi.
2027         (add_loop_constraints): Likewise, and extract_affine_wi.
2029 2017-02-15 Jeff Law  <law@redhat.com>
2031         PR middle-end/79521
2032         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
2033         ira_init_register_move_cost_if_necessary.
2035 2017-02-15  Martin Sebor  <msebor@redhat.com>
2037         PR middle-end/32003
2038         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
2039         removed in a prior commit.
2041 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
2043         PR tree-optimization/79347
2044         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
2045         counters during peeling.
2047 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
2049         * Makefile.in (site.exp): Remove "set ISLVER".
2051 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
2053         PR target/79487
2054         * real.c (real_from_integer): Call real_convert even for decimal.
2056 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2058         PR target/79421
2059         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
2061 2017-02-14  Andrew Pinski  <apinski@cavium.com>
2063         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
2064         cores and change the partno/implementer to be correct.
2065         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
2066         the 'B" as the implementer.
2067         * config/aarch64/aarch64-tune.md: Regenerate.
2069 2017-02-14  Carl Love  <cel@us.ibm.com>
2071         * config/rs6000/rs6000.c: Add case statement entry to make the
2072         xvcvuxdsp built-in argument unsigned.
2073         * config/rs6000/vsx.md: Fix the source and return operand types so they
2074         match the instruction definitions from the ISA document.  Fix typo
2075         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
2076         statement.
2078 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
2080         PR target/79282
2081         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
2082         member early_clobber_alts.
2083         * lra-lives.c (reg_early_clobber_p): New.
2084         (process_bb_lives): Use it.
2085         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
2086         (debug_operand_data): Initialize early_clobber_alts.
2087         (setup_operand_alternative): Set up early_clobber_alts.
2088         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
2089         alternatives to new_insn_reg.
2090         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
2091         it.
2092         (lra_update_insn_regno_info): Pass the new arg.
2094 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
2096         PR middle-end/79505
2097         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
2098         (new_oacc_loop_raw): Don't clear already cleared fields.
2100         PR target/79481
2101         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
2102         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
2103         _mm512_prefetch_i64gather_ps): New inline functions and macros.
2105 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
2107         PR target/79495
2108         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
2110 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
2112         PR target/79498
2113         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
2114         the extra instruction to the right place to store 128-bit constant
2115         when needed.
2117 2017-02-14  Martin Sebor  <msebor@redhat.com>
2119         PR middle-end/79448
2120         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
2121           warning for strings of unknown length.
2123 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
2125         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
2127 2017-02-14 Jeff Law  <law@redhat.com>
2129         PR target/79404
2130         * ira-costs.c (scan_one_insn): Initialize register move costs
2131         for pseudos seen in USE/CLOBBER insns.
2133         PR tree-optimization/79095
2134         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
2135         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
2136         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
2137         if the operands are known to be not equal, then the resulting range
2138         is ~[0,0].
2139         (intersect_ranges): If the new range is ~[0,0] and the old range is
2140         wide, then prefer ~[0,0].
2141         * tree-vrp.c (overflow_comparison_p_1): New function.
2142         (overflow_comparison_p): New function.
2143         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
2144         if NAME is used in an overflow test.
2145         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
2146         overflow check that can be expressed as an equality test, then adjust
2147         ops to be that equality test.
2149 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2151         * config/s390/s390-builtin-types.def: Remove flags argument.
2152         * config/s390/s390.c (s390_init_builtins): Likewise.
2154 2017-02-14  Martin Liska  <mliska@suse.cz>
2156         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
2157         vector.  Fix trailing white spaces.
2159 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
2161         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
2162         HFmode.
2164 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2166         PR rtl-optimization/68664
2167         * config/arm/arm.c (arm_sched_can_speculate_insn):
2168         New function.  Declare prototype.
2169         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
2171 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2173         PR rtl-optimization/68664
2174         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
2175         New function.
2176         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
2178 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
2180         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
2181         max skip bytes for function, loop and jump.
2183 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2185         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
2186         ABS_EXPR for gimple dump.
2188 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
2190         PR target/79462
2191         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
2193         PR tree-optimization/79408
2194         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
2195         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
2196         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
2197         also if rhs1 is INTEGER_CST.
2199 2017-02-14  Richard Biener  <rguenther@suse.de>
2201         PR middle-end/79432
2202         * tree-into-ssa.c (insert_phi_nodes): When the function can
2203         have abnormal edges rewrite SSA names with broken use-def
2204         dominance out of SSA and register them for PHI insertion.
2206 2017-02-13  Martin Sebor  <msebor@redhat.com>
2208         PR middle-end/79496
2209         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
2210         clearing info.nowrite flag when snprintf size argument is a range.
2212 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2214         * cprop.c (cprop_jump): Add missing space in string literal.
2215         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
2216         (get_constraint_for_component_ref): Likewise.
2217         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
2218         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
2219         * lra-constraints.c (process_alt_operands): Likewise.
2220         * ipa-inline.c (inline_small_functions): Likewise.
2221         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
2222         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
2223         * trans-mem.c (diagnose_tm_1_op): Likewise.
2224         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
2225         (grid_parallel_clauses_gridifiable): Likewise.
2227         * config/nvptx/mkoffload.c (process): Add space in between
2228         , and %d.
2230         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
2231         "MOD4_SSE_REGS" and "ALL_REGS".
2233         * spellcheck.c (test_data): Add , in between "foo" and "food".
2235 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2237         PR target/79449
2238         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
2239         boundary crossing check and subsequent code generation agree.
2241 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2243         * config/aarch64/aarch64.c (has_memory_op): Delete.
2244         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
2245         has_memory_op.
2247 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2249         PR rtl-optimization/79388
2250         PR rtl-optimization/79450
2251         * combine.c (distribute_notes): When removing TEM_INSN for which
2252         corresponding dest has last value recorded, invalidate that last
2253         value.
2255 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2257         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
2258         of explicit '@'.  Add missing assembly comment marker on branch costs
2259         printout.
2261 2017-02-13  Nathan Sidwell  <nathan@acm.org>
2263         * gengtype-lex.l (<in_struct>): Add '/'.
2265 2017-02-13  Martin Liska  <mliska@suse.cz>
2267         PR c/79471
2268         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
2270 2017-02-13  Richard Biener  <rguenther@suse.de>
2272         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
2273         Remove.
2274         * configure: Re-generate.
2275         * config.in: Likewise.
2276         * graphite-dependences.c: Simplify as if
2277         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
2278         * graphite-isl-ast-to-gimple.c: Likewise.
2279         * graphite-optimize-isl.c: Likewise.
2280         * graphite-poly.c: Likewise.
2281         * graphite-sese-to-poly.c: Likewise.
2282         * graphite.h: Likewise.
2283         * toplev.c: Include isl/version.h and use isl_version () for
2284         printing the ISL version.
2285         * doc/install.texi: Update ISL requirement.
2287 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
2289         * doc/standards.texi (Standards): Update reference to
2290         Objective-C 2.0.
2292 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
2293         
2294         * doc/extend.texi (Named Address Spaces): sourceware.org now
2295         defaults to https.
2296         * doc/install.texi (Binaries): Ditto.
2297         (Specific): Ditto.
2299 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
2301         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
2302         standard terminology "stringize"/"stringizing" throughout.
2303         * doc/cppinternals.texi: Likewise.
2305 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
2307         * doc/extend.texi: Fix some spelling mistakes and typos.
2308         * doc/invoke.texi: Likewise.
2310 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
2312         PR ipa/79224
2313         * params.def (inline-min-speedup) Change from 10 to 8.
2315 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
2317         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
2318         4.5.
2320 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
2322         PR ipa/79224
2323         * ipa-inline-analysis.c (get_minimal_bb): New function.
2324         (record_modified): Use it.
2325         (remap_edge_change_prob): Handle also ancestor functions.
2327 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
2329         * doc/contrib.texi (Contributors): Remove broken link into
2330         the Mauve CVS repository.
2332 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
2334         PR middle-end/79454
2335         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
2336         result computation whenever lhs doesn't have vector mode, not
2337         just when it has BLKmode.
2339 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
2341         * doc/makefile.texi (profiledbootstrap): Refer to the
2342         installation instructions only in textual form.
2344 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2346         PR target/79295
2347         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
2349 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
2351         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
2352         (Specific): Update mingw-w64 reference.
2353         (Binaries): Ditto.
2354         (Specific): Remove broken link to Renesas RX processor.
2356 2017-02-10  Richard Biener  <rguenther@suse.de>
2358         * toplev.c (process_options): Do not mention obsolete graphite
2359         options when printing sorry message about missing graphite support.
2360         Mention -floop-nest-optimize.
2362 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
2364         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
2365         (vtst_p16): Likewise.
2366         (vtstq_p8): Likewise.
2367         (vtstq_p16): Likewise.
2368         (vtst_p64): New.
2369         (vtstq_p64): Likewise.
2370         * config/arm/arm_neon.h (vgetq_lane_p64): New.
2371         (vset_lane_p64): New.
2372         (vsetq_lane_p64): New.
2374 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
2376         PR tree-optimization/79411
2377         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
2378         stmt operands are SSA_NAMEs used in abnormal phis.
2379         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
2380         phis.
2382 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
2384         PR ipa/70795
2385         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
2386         flag if needed.
2388 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
2390         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
2392 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
2394         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
2395         to avoid warning.
2397         PR c/79413
2398         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
2399         not arbitrary TREE_CONSTANT.
2401         PR c/79431
2402         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
2403         "omp declare target link" attribute unless is_global_var.
2404         * omp-offload.c (find_link_var_op): Likewise.
2406 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2407             Chung-Lin Tang  <cltang@codesourcery.com>
2409         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
2410         OMP_CLAUSE_TILE.
2411         (gimplify_adjust_omp_clauses): Don't delete TILE.
2412         (gimplify_omp_for): Deal with TILE.
2413         * internal-fn.c (expand_GOACC_TILE): New function.
2414         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
2415         (GOACC_TILE): New.
2416         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
2417         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
2418         element fields.
2419         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
2420         avoid DIV for outermost collapse var.
2421         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
2422         Remove out of date comments, fix whitespace.
2423         * omp-general.c (omp_extract_for_data): Deal with tiling.
2424         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
2425         adjust OLF_DIM_BASE value.
2426         (struct omp_for_data): Add tiling field.
2427         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
2428         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
2429         for auto loops.  Remove default auto determining, moved to
2430         oacc_loop_fixed_partitions.
2431         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
2432         stmts, add e_mask field.
2433         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
2434         (oacc_thread_numbers): Use oacc_dim_call.
2435         (oacc_xform_tile): New.
2436         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
2437         (finish_oacc_loop): Adjust for ifns vector.
2438         (oacc_loop_discover_walk): Append loop abstraction sites to list,
2439         add case for GOACC_TILE fns.
2440         (oacc_loop_xform_loop): Delete.
2441         (oacc_loop_process): Iterate over call list directly, and add
2442         handling for GOACC_TILE fns.
2443         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
2444         dump partitioning.
2445         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
2446         vector partitioning to outer loops.  Assign 2 partitions to loops
2447         when available. Add TILE handling.
2448         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
2449         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
2450         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
2451         * tree.c (omp_clause_num_ops): Adjust TILE ops.
2452         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
2454 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
2456         * configure.ac (ACX_BUGURL): Update.
2457         * configure: Regenerate.
2459 2017-02-09  Richard Biener  <rguenther@suse.de>
2461         PR tree-optimization/69823
2462         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2463         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
2465 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
2467         * config/arc/arc-c.def: Add __NPS400__ definition.
2468         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
2469         (TARGET_NPS400): Define.
2471 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
2473         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
2474         file.
2475         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
2476         pointer, arch_info.
2477         (arc_cpu_types): Fill the arch_info field with a pointer into the
2478         arc_arch_types table.
2479         (arc_selected_cpu): Declare.
2480         * config/arc/arc.c (arc_selected_cpu): Make global.
2481         (arc_selected_arch): Delete.
2482         (arc_base_cpu): Delete.
2483         (arc_override_options): Remove references to deleted variables,
2484         update access to arch information.
2485         (ARC_OPT): Update access to arch information.
2486         (ARC_OPTX): Likewise.
2487         * config/arc/arc.h (arc_base_cpu): Remove declaration.
2488         (TARGET_ARC600): Update access to arch information.
2489         (TARGET_ARC601): Likewise.
2490         (TARGET_ARC700): Likewise.
2491         (TARGET_EM): Likewise.
2492         (TARGET_HS): Likewise.
2493         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
2494         information.
2496 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
2498         PR target/78604
2499         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
2500         condition/operands for integer GE/LE/GEU/LEU operations.
2502 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
2504         PR translation/79397
2505         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
2506         of AltiVec.
2508 2017-02-08  Martin Jambor  <mjambor@suse.cz>
2510         PR ipa/79375
2511         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
2512         whether allocation happened.
2513         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
2514         nothing was allocated.
2516 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
2518         PR tree-optimization/79408
2519         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
2520         constant, but SSA_NAME with a known integer range, use the minimum
2521         of that range instead of op1 to determine if modulo can be replaced
2522         with its first operand.
2524 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2526         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
2528 2017-02-08  Richard Biener  <rguenther@suse.de>
2530         PR tree-optimization/71824
2531         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
2532         Check all loops contained in the merged region.
2534 2017-02-07  Andrew Pinski  <apinski@cavium.com>
2536         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
2538 2017-02-07  Andrew Pinski  <apinski@cavium.com>
2540         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
2541         (thunderxt88): Likewise.
2542         (thunderxt81): Disable LSE and change v8.1 to v8.
2543         (thunderxt83): Likewise.
2545 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
2546             Richard Biener  <rguenther@suse.de>
2548         PR middle-end/79399
2549         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
2550         type from int to size_t.
2551         * ira-costs.c (struct_costs_size): Change type from int to size_t.
2553 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
2555         PR rtl-optimization/79386
2556         * cprop.c (bypass_conditional_jumps): Initialize
2557         bypass_last_basic_block already before splitting bbs after
2558         unconditional traps...
2559         (bypass_conditional_jumps): ... rather than here.
2561         PR target/79299
2562         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
2563         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
2564         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
2565         fix -masm=intel patterns.
2567 2017-02-07  Richard Biener  <rguenther@suse.de>
2569         PR tree-optimization/79256
2570         PR middle-end/79278
2571         * builtins.c (get_object_alignment_2): Use min_align_of_type
2572         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
2573         and ADJUST_FIELD_ALIGN.
2575         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
2576         type parameter.
2577         * doc/tm.texi: Regenerate.
2578         * stor-layout.c (layout_decl): Adjust.
2579         (update_alignment_for_field): Likewise.
2580         (place_field): Likewise.
2581         (min_align_of_type): Likewise.
2582         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
2583         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
2584         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
2585         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
2586         * config/frv/frv.c (frv_adjust_field_align): Likewise.
2587         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
2588         * config/i386/i386.c (x86_field_alignment): Likewise.
2589         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2590         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
2591         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
2592         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2593         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
2594         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
2595          Likewise.
2597         Revert
2598         2017-01-30  Richard Biener  <rguenther@suse.de>
2600         PR tree-optimization/79256
2601         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
2602         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
2603         alignment on TYPE.
2605 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
2607         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
2608         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
2609         builtins to SImode and emit a zero-extend, if necessary.
2611 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2613         * docs/invoke.texi (RISC-V Options): Alphabetize.
2615 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2617         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
2618         options.
2620 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2622         * config/riscv/riscv.c: New file.
2623         * gcc/common/config/riscv/riscv-common.c: Likewise.
2624         * config.gcc: Likewise.
2625         * config/riscv/constraints.md: Likewise.
2626         * config/riscv/elf.h: Likewise.
2627         * config/riscv/generic.md: Likewise.
2628         * config/riscv/linux.h: Likewise.
2629         * config/riscv/multilib-generator: Likewise.
2630         * config/riscv/peephole.md: Likewise.
2631         * config/riscv/pic.md: Likewise.
2632         * config/riscv/predicates.md: Likewise.
2633         * config/riscv/riscv-builtins.c: Likewise.
2634         * config/riscv/riscv-c.c: Likewise.
2635         * config/riscv/riscv-ftypes.def: Likewise.
2636         * config/riscv/riscv-modes.def: Likewise.
2637         * config/riscv/riscv-opts.h: Likewise.
2638         * config/riscv/riscv-protos.h: Likewise.
2639         * config/riscv/riscv.h: Likewise.
2640         * config/riscv/riscv.md: Likewise.
2641         * config/riscv/riscv.opt: Likewise.
2642         * config/riscv/sync.md: Likewise.
2643         * config/riscv/t-elf-multilib: Likewise.
2644         * config/riscv/t-linux: Likewise.
2645         * config/riscv/t-linux-multilib: Likewise.
2646         * config/riscv/t-riscv: Likewise.
2647         * configure.ac: Likewise.
2648         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
2649         Waterman as RISC-V maintainers.
2650         * doc/install.texi: Add RISC-V entries.
2651         * doc/invoke.texi: Add RISC-V options section.
2652         * doc/md.texi: Add RISC-V constraints section.
2653         * configure: Regenerated.
2655 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2657         PR target/66144
2658         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
2659         false values to be constant vectors with all 0 or all 1 bits set.
2660         (vcondu<mode><mode>): Likewise.
2661         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
2662         predicate.
2663         (fpmask_comparison_operator): Update comment.
2664         (vecint_comparison_operator): New predicate.
2665         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
2666         vector conditionals when the true and false values are constant
2667         vectors with all 0 bits or all 1 bits set.
2669 2017-02-06  Martin Sebor  <msebor@redhat.com>
2671         PR  tree-optimization/79376
2672         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
2674 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
2676         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
2677         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
2678         to simplify split condition.
2680 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2682         * omp-expand.c (oxpand_omp_atomic_fetch_op,
2683         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
2684         false.
2686 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
2688         PR rtl-optimization/68664
2689         * target.def (can_speculate_insn): New hook.
2690         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
2691         * doc/tm.texi: Regenerate.
2692         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
2693         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
2694         (rs6000_sched_can_speculate_insn): New function.
2696 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2698         PR tree-optimization/79284
2699         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
2700         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
2701         vectorizable_mask_load_store, vectorizable_operation,
2702         vect_is_simple_cond, get_same_sized_vectype): Use it instead
2703         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
2704         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
2705         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
2706         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
2707         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
2708         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
2709         is_gimple_assign (stmt).  Replace another such test with
2710         is_gimple_assign (stmt).
2712 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
2714         PR target/78883
2715         * config/avr/avr.c (rtl-iter.h): Include it.
2716         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
2717         (avr_legitimate_combined_insn): ...and implementation.
2719 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2721         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
2722         * config/s390/s390.c (s390_const_operand_ok)
2723         (s390_canonicalize_comparison, s390_extract_part)
2724         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
2725         (s390_contiguous_bitmask_p, s390_rtx_costs)
2726         (legitimize_pic_address): Likewise.
2727         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
2728         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
2729         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
2730         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
2731         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
2733 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
2735         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
2736         REGNO($0) == REGNO($1).
2738 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2740         * config/s390/linux.h(SIZE_TYPE): Add comment.
2742 2017-02-06  Julian Brown  <julian@codesourcery.com>
2743             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
2744             Virendra Pathak  <virendra.pathak@broadcom.com>
2746         * config/aarch64/aarch64-cores.def: Change the scheduler
2747         to Thunderx2t99.
2748         * config/aarch64/aarch64.md: Include thunderx2t99.md.
2749         * config/aarch64/thunderx2t99.md: New file.
2751 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2753         * doc/standards.texi (Go Language): Update link to language
2754         standard.
2756 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
2758         * tree-eh.c (lower_resx): Sanitize profile.
2759         (cleanup_empty_eh_move_lp): Likewise.
2761 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
2763         PR tree-ssa/79347
2764         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
2765         ELSE_PROB.
2766         * cfgloopmanip.h (loop_version): Update prototype.
2767         * modulo-sched.c (sms_schedule): Update call of loop_version.
2768         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
2769         * tree-parloops.c (gen_parallel_loop): Likewise.
2770         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
2771         * tree-ssa-loop-split.c (split_loop): Likewise.
2772         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
2773         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
2775 2017-02-05  Martin Liska  <mliska@suse.cz>
2777         PR bootstrap/78985
2778         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
2779         variable to NULL.
2780         (print_operand_address): Initialize a struct to zero.
2782 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2784         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
2785         garbage collector only in textual form.
2787 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2788         
2789         * doc/extend.texi (x86 specific memory model extensions for
2790         transactional memory): Simplify a phrase.
2792 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
2794         PR target/79353
2795         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
2796         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
2797         (atomic_storedi_1): Likewise.
2799 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
2801         PR tree-optimization/79338
2802         * tree-parloops.c (gather_scalar_reductions): Don't call
2803         vect_analyze_loop_form for loop->inner before destroying loop's
2804         loop_vinfo.
2806 2017-02-03  Martin Sebor  <msebor@redhat.com>
2808         PR tree-optimization/79327
2809         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
2810         when precision has resulted in leading zeros.
2811         (format_integer): Adjust the likely counter to assume an unknown
2812         argument that may be zero is non-zero.
2814 2017-02-03  Jason Merrill  <jason@redhat.com>
2816         PR c++/78689
2817         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
2818         avoid copying non-taken branch.
2820 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
2822         PR tree-optimization/79340
2823         * tree-vect-loop.c (vectorizable_reduction): Release
2824         vec_defs elements after safe_splicing them into other vectors.
2825         Formatting fixes.
2827         PR tree-optimization/79327
2828         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
2829         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
2830         dirtype.
2831         (format_integer): Use wide_int_to_tree instead of build_int_cst
2832         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
2833         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
2834         of shortest and longest sequence.
2836 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
2838         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
2839         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
2841 2017-02-03  Walter Lee  <walt@tilera.com>
2843         PR target/78862
2844         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
2845         after initial stackframe link reg save.
2846         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
2848 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
2850         PR target/79354
2851         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
2852         wu for stxssp alternative.
2854 2017-02-03  Martin Sebor  <msebor@redhat.com>
2856         PR tree-optimization/79352
2857         * gimple-fold.c (get_range_strlen): Add argument.
2858         (get_range_strlen): Change return type to bool.
2859         (get_maxval_strlen): Pass in a dummy argument.
2860         * gimple-fold.h (get_range_strlen): Change return type to bool.
2861         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
2862         * tree.h (array_at_struct_end_p): Add argument.
2863         * tree.c (array_at_struct_end_p): Handle it.
2865 2017-02-03  Martin Liska  <mliska@suse.cz>
2867         PR lto/66295
2868         * multiple_target.c (create_dispatcher_calls): Redirect edge
2869         from a caller of a dispatcher.
2870         (expand_target_clones): Make the clones local.
2871         (ipa_target_clone): Do both target clones and resolvers.
2872         (ipa_dispatcher_calls): Remove the pass.
2873         (pass_dispatcher_calls::gate): Likewise.
2874         (make_pass_dispatcher_calls): Likewise.
2875         * passes.def (pass_target_clone): Put as very first IPA early
2876         pass.
2878 2017-02-03  Martin Liska  <mliska@suse.cz>
2880         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
2881         in case of a function with ifunc attribute.
2883 2017-02-03  Martin Liska  <mliska@suse.cz>
2885         * cgraph.c (cgraph_node::dump): Dump function version info.
2886         * symtab.c (symtab_node::dump_base): Add missing new line.
2888 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
2890         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
2891         (ifcombine_ifandif): Use it.
2893 2017-02-03  Martin Liska  <mliska@suse.cz>
2895         * doc/invoke.texi: Document default value for
2896         use-after-scope-direct-emission-threshold.
2898 2017-02-03  Martin Liska  <mliska@suse.cz>
2900         PR tree-optimization/79339
2901         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
2902         (format_floating): Likewise.
2904 2017-02-03  Martin Liska  <mliska@suse.cz>
2906         PR ipa/79337
2907         * ipa-prop.c (ipa_node_params_t::insert): Remove current
2908         implementation.
2909         (ipa_node_params_t::remove): Likewise.
2910         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
2911         initialization from removed ipa_node_params_t::insert.
2912         (ipa_node_params::~ipa_node_params): Move from removed
2913         ipa_node_params_t::release.
2914         * symbol-summary.h (symbol_summary::m_released): New member.
2915         Do not release a summary twice.  Do not allow to call finalizer
2916         for types of a summary that live in GGC memory.
2918 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
2920         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
2921         cmp_branch fusion.
2923 2017-02-02  Martin Sebor  <msebor@redhat.com>
2925         PR middle-end/79275
2926         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
2927         (format_string): Tighten up the range of output for non-constant
2928         strings and correct the expected range for wide non-constant strings.
2930 2017-02-02  Martin Sebor  <msebor@redhat.com>
2932         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
2934         PR middle-end/32003
2935         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
2936         index.
2937         (-fdump-tree-@var): Add to index and document how to come up
2938         with pass-specific option and dump file names.
2939         (-fdump-passes): Clarify where to look for output.
2941 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
2943         PR middle-end/77445
2944         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
2945         statistics of the analyzed path; allow threading for speed when
2946         any of BBs along the path are optimized for speed.
2948 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
2950         PR middle-end/78468
2951         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
2952         settings of the virtual registers.
2954         Revert again
2955         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2957         * explow.c (get_dynamic_stack_size): Take known alignment of stack
2958         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
2959         needed.
2961 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2963         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
2964         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
2966 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2968         * config/s390/s390.md: Add missing comments with the expanded
2969         mnemonics.
2970         * config/s390/vector.md: Likewise.
2971         * config/s390/vx-builtins.md: Likewise.
2973 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
2975         PR target/79197
2976         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
2977         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
2978         conditions on a single line.
2980 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2982         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
2983         __S390_VX__ to __VX__.
2985 2017-02-01  Andrew Pinski  <apinski@cavium.com>
2987         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
2988         stmt_info to record_stmt_cost.
2989         (vect_get_known_peeling_cost): Pass stmt_info if known to
2990         record_stmt_cost.
2991         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
2992         cpu_vector_cost field into
2993         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
2994         field into vec_int_stmt_cost and vec_fp_stmt_cost.
2995         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
2996         splitting of scalar_stmt_cost and vec_stmt_cost.
2997         (thunderx_vector_cost): Likewise.
2998         (cortexa57_vector_cost): LIkewise.
2999         (exynosm1_vector_cost): Likewise.
3000         (xgene1_vector_cost): Likewise.
3001         (thunderx2t99_vector_cost): Improve after the splitting of the two
3002         fields.
3003         (aarch64_builtin_vectorization_cost): Update for the splitting of
3004         scalar_stmt_cost and vec_stmt_cost.
3006 2017-02-01  Torvald Riegel  <triegel@redhat.com>
3007             Richard Henderson  <rth@redhat.com>
3009         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
3010         conditional on existance of a fast atomic load.
3011         * optabs-query.c (can_atomic_load_p): New function.
3012         * optabs-query.h (can_atomic_load_p): Declare it.
3013         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
3014         no fast atomic load is available for the particular size of access.
3015         (expand_atomic_compare_and_swap): Likewise.
3016         (expand_atomic_load): Likewise.
3017         (expand_atomic_store): Likewise.
3018         (expand_atomic_fetch_op): Likewise.
3019         * testsuite/lib/target-supports.exp
3020         (check_effective_target_sync_int_128): Remove x86 because it provides
3021         no fast atomic load.
3022         (check_effective_target_sync_int_128_runtime): Likewise.
3024 2017-02-01  Richard Biener  <rguenther@suse.de>
3026         * graphite.c: Include tree-vectorizer.h for find_loop_location.
3027         (graphite_transform_loops): Provide opt-info for optimized nests.
3028         * tree-parloop.c (parallelize_loops): Provide opt-info for
3029         parallelized loops.
3031 2017-02-01  Richard Biener  <rguenther@suse.de>
3033         PR middle-end/79315
3034         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
3035         was not set before.
3037 2017-02-01  Richard Biener  <rguenther@suse.de>
3039         PR tree-optimization/71824
3040         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
3041         Verify the loops are valid in the merged SESE region.
3042         (scop_detection::can_represent_loop_1): Check analyzing the
3043         evolution of the number of iterations in the region succeeds.
3045 2017-01-31  Ian Lance Taylor  <iant@golang.org>
3047         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
3048         REG_ARGS_SIZE note to 32-bit push insns and call insn.
3050 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
3052         PR preprocessor/79210
3053         * input.c (get_substring_ranges_for_loc): Replace line_width
3054         assertion with error-handling.
3056 2017-01-31  Richard Biener  <rguenther@suse.de>
3058         PR tree-optimization/77318
3059         * graphite-sese-to-poly.c (extract_affine): Fix assert.
3060         (create_pw_aff_from_tree): Take loop parameter.
3061         (add_condition_to_pbb): Pass loop of the condition to
3062         create_pw_aff_from_tree.
3064 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
3066         * config/s390/s390.c (s390_asan_shadow_offset): New function.
3067         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
3069 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
3071         PR target/78597
3072         PR target/79038
3073         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
3074         no longer used.
3075         (convert_int_to_float128): Likewise.
3076         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
3077         (convert_int_to_float128): Likewise.
3078         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
3079         (UNSPEC_IEEE128_CONVERT): Likewise.
3080         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
3081         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
3082         Use local variables for IBM extended format.
3083         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
3084         (fix_trunc<mode>si2_fprs): Likewise.
3085         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
3086         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
3087         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
3088         to know that we can now have integers of all sizes in vector
3089         registers.
3090         (fix<uns>_<mode>di2_hw): Likewise.
3091         (float<uns>_<mode>si2_hw): Likewise.
3092         (fix_<mode>si2_hw): Likewise.
3093         (fixuns_<mode>si2_hw): Likewise.
3094         (float<uns>_<mode>di2_hw): Likewise.
3095         (float_<mode>di2_hw): Likewise.
3096         (float_<mode>si2_hw): Likewise.
3097         (floatuns_<mode>di2_hw): Likewise.
3098         (floatuns_<mode>si2_hw): Likewise.
3099         (xscvqp<su>wz_<mode>): Delete, no longer used.
3100         (xscvqp<su>dz_<mode>): Likewise.
3101         (xscv<su>dqp_<mode>): Likewise.
3102         (ieee128_mfvsrd_64bit): Likewise.
3103         (ieee128_mfvsrd_32bit): Likewise.
3104         (ieee128_mfvsrwz): Likewise.
3105         (ieee128_mtvsrw): Likewise.
3106         (ieee128_mtvsrd_64bit): Likewise.
3107         (ieee128_mtvsrd_32bit): Likewise.
3109 2017-01-31  Martin Liska  <mliska@suse.cz>
3111         PR ipa/79285
3112         * ipa-prop.c (ipa_free_all_node_params): Call release method
3113         instead of ~sumbol_summary to not to trigger double times
3114         dtor of hash_map.
3116 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
3118         PR tree-optimization/71691
3119         * bitmap.h (class auto_bitmap): New.
3120         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
3121         is_maybe_undefined instead of ssa_undefined_value_p.
3123 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3125         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
3126         __S390_ARCH_LEVEL__ to __ARCH__.
3128 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
3130         PR tree-optimization/79267
3131         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
3132         if should_remove_lhs_p is true.
3134 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
3136         PR debug/63238
3137         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
3138         (add_alignment_attribute): New.
3139         (base_type_die): Add alignment attribute.
3140         (subrange_type_die): Likewise.
3141         (modified_type_die): Likewise.
3142         (gen_array_type_die): Likewise.
3143         (gen_descr_array_type_die: Likewise.
3144         (gen_enumeration_type_die): Likewise.
3145         (gen_subprogram_die): Likewise.
3146         (gen_variable_die): Likewise.
3147         (gen_field_die): Likewise.
3148         (gen_ptr_to_mbr_type_die): Likewise.
3149         (gen_struct_or_union_type_die): Likewise.
3150         (gen_subroutine_type_die): Likewise.
3151         (gen_typedef_die): Likewise.
3152         (base_type_cmp): Compare alignment attribute.
3154 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3156         PR target/79170
3157         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
3158         (setb_unsigned) New pattern for setb with CCUNS.
3159         * config/rs6000/rs6000.c (expand_block_compare): Use a different
3160         subfc./subfe sequence to avoid overflow problems.  Generate a
3161         shorter sequence with cmpld/setb for power9.
3162         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
3163         for generating subfc. instruction.
3164         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
3165         now uses this instruction.
3167 2017-01-30  Ian Lance Taylor  <iant@google.com>
3169         PR debug/79289
3170         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
3171         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
3173 2017-01-30  Martin Sebor  <msebor@redhat.com>
3175         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
3176         Move constant to the right of a relational operator.
3177         (get_mpfr_format_length, format_character, format_string): Ditto.
3178         (should_warn_p, maybe_warn): Same.
3180         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
3182 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
3184         PR lto/79061
3185         * asan.c (get_translation_unit_decl): Remove function.
3186         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
3188 2017-01-30  Martin Liska  <mliska@suse.cz>
3190         PR gcov-profile/79259
3191         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
3192         -fprofile-generate.
3194 2017-01-30  Martin Liska  <mliska@suse.cz>
3196         PR bootstrap/78985
3197         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
3198         Initialize variables with NULL value.
3200 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
3202         PR target/79260
3203         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
3204         tm_p_file.
3205         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
3207 2017-01-30  Richard Biener  <rguenther@suse.de>
3209         PR tree-optimization/79276
3210         * tree-vrp.c (process_assert_insertions): Properly adjust common
3211         when removing a duplicate.
3213         * gcc.dg/torture/pr79276.c: New testcase.
3215 2017-01-30  Richard Biener  <rguenther@suse.de>
3217         PR tree-optimization/79256
3218         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
3219         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
3220         alignment on TYPE.
3221         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
3223 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3225         PR target/79240
3226         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
3227         ("*r<noxa>sbg_<mode>_sll_bitmask")
3228         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
3229         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
3230         Use contiguous_bitmask_nowrap_operand.
3232 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3234         PR target/79268
3235         * config/rs6000/altivec.h (vec_xl): Revise #define.
3236         (vec_xst): Likewise.
3238 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
3240         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
3242 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
3244         PR rtl-optimization/79194
3245         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
3246         traps before call to bypass_conditional_jumps.
3248 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
3250         PR tree-optimization/71374
3251         * lra-constraints.c (check_conflict_input_operands): New.
3252         (match_reload): Use it.
3254 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
3256         PR target/79131
3257         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
3258         account to calculate conflict_set.
3260 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
3262         PR rtl-optimization/78559
3263         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
3264         other_insn in combine.
3266 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
3268         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
3269         uint16_type_node for BT_UINT16.
3271 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
3273         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
3274         "RTL Tests" to menu.
3275         (GIMPLE Tests): New node.
3276         (RTL Tests): New node.
3278 2017-01-27  Richard Biener  <rguenther@suse.de>
3280         PR tree-optimization/79245
3281         * tree-loop-distribution.c (distribute_loop): Apply cost
3282         modeling also to detected patterns.
3284 2017-01-27  Richard Biener  <rguenther@suse.de>
3286         PR tree-optimization/71433
3287         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
3288         (compare_assert_loc): New function.
3289         (process_assert_insertions): Sort and optimize assert locations
3290         to remove duplicates and push down identical assertions on
3291         edges to their destination block.
3293 2017-01-27  Richard Biener  <rguenther@suse.de>
3295         PR tree-optimization/79244
3296         * tree-vrp.c (remove_range_assertions): Forcefully propagate
3297         out SSA names even if abnormal.
3299 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
3301         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
3302         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
3303         instead of MPFR_RNDN.
3305 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
3307         PR target/79239
3308         * arm.c (arm_option_override): Don't call build_target_option_node
3309         until after doing all option overrides.
3310         (arm_valid_target_attribute_tree): Likewise.
3312 2017-01-27  Martin Liska  <mliska@suse.cz>
3314         * doc/invoke.texi (-fprofile-arcs): Document profiling support
3315         for {cd}tors and C++ {cd}tors.
3317 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3319         * config/s390/s390.md ("*setmem_long_and")
3320         ("*setmem_long_and_31z"): Use zero_extend instead of and.
3322 2017-01-26  Martin Sebor  <msebor@redhat.com>
3324         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
3325         of precision.
3327 2017-01-26  Martin Sebor  <msebor@redhat.com>
3329         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
3330         HAVE_DFmode before using XFmode or DFmode.
3331         (parse_directive): Avoid using the z length modifier to avoid
3332         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
3334         PR middle-end/78703
3335         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
3336         to accept adjustment as an array.
3337         (get_int_range): New function.
3338         (struct directive): Make width and prec arrays.
3339         (directive::set_width, directive::set_precision): Call get_int_range.
3340         (format_integer, format_floating): Handle width and precision ranges.
3341         (format_string, parse_directive): Same.
3343 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3345         PR debug/79129
3346         * dwarf2out.c (generate_skeleton_bottom_up): For children with
3347         comdat_type_p set, just clone them, but keep the children in the
3348         original DIE.
3350         PR debug/78835
3351         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
3352         which have direct callers with -fvar-tracking-assignments enabled
3353         in the current TU.
3354         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
3355         inside of type units.
3357 2017-01-26  Martin Sebor  <msebor@redhat.com>
3359         PR middle-end/78703
3360         * gimple-ssa-sprintf.c (struct result_range): Add likely and
3361         unlikely counters.
3362         (struct format_result): Replace number_chars, number_chars_min,
3363         and number_chars_max with a single member of struct result_range.
3364         Remove bounded.
3365         (format_result::operator+=): Adjust.
3366         (struct fmtresult): Remove bounded.  Handle likely and unlikely
3367         counters.
3368         (fmtresult::adjust_for_width_or_precision): New function.
3369         (fmtresult:type_max_digits): New function.
3370         (bytes_remaining): Handle likely and unlikely counters.
3371         (min_bytes_remaining): Remove.
3372         (format_percent): Simplify.
3373         (format_integer, format_floating): Set likely and unlikely counters.
3374         (get_string_length, format_character, format_string): Same.
3375         (format_plain, should_warn_p): New function.
3376         (maybe_warn): Call should_warn_p.  Update diagnostic messages
3377         and handle those for all directives, including plain strings.
3378         (format_directive): Handle likely and unlikely counters.
3379         Remove unnecessary quoting from diagnostics.  Add an informational
3380         note.
3381         (add_bytes): Remove.
3382         (pass_sprintf_length::compute_format_length): Simplify.
3383         (try_substitute_return_value): Handle likely and unlikely counters.
3385 2017-01-26  Carl Love  <cel@us.ibm.com>
3387         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
3388         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
3390 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
3392         PR target/79131
3393         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
3394         endianess for subregs into account.
3395         * lra-constraints.c (lra_constraints): Do risky transformations
3396         always on the first iteration.
3397         * lra-lives.c (check_pseudos_live_through_calls): Add arg
3398         last_call_used_reg_set.
3399         (process_bb_lives): Define and use last_call_used_reg_set.
3400         * lra.c (lra): Always continue after lra_constraints on the first
3401         iteration.
3403 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
3405         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
3406         constant.
3407         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
3409 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3411         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
3412         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
3413         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
3414         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
3415         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
3416         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
3417         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
3418         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
3419         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
3421 2017-01-26  Marek Polacek  <polacek@redhat.com>
3423         PR c/79199
3424         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
3425         for the third operand.
3427 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3429         PR middle-end/79236
3430         * omp-low.c (struct omp_context): Add simt_stmt field.
3431         (scan_omp_for): Return omp_context *.
3432         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
3433         context to the _simt_ SIMD stmt.
3434         (lower_omp_for): For combined SIMD with sibling _simt_
3435         SIMD, make sure to use the same decls in _looptemp_
3436         clauses as in the sibling.
3438 2017-01-26  David Sherwood  <david.sherwood@arm.com>
3440         PR middle-end/79212
3441         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
3442         all contexts.
3444 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3446         PR target/70465
3447         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
3448         emit fld b; fld a; if possible.
3450         * brig-builtins.def: Update copyright years.
3451         * config/arm/arm_acle_builtins.def: Update copyright years.
3453 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
3455         PR target/79179
3456         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
3457         constraint instead of o for the stxsd instruction.
3459 2017-01-25  Carl Love  <cel@us.ibm.com>
3461         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
3462         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
3464 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
3466         * doc/invoke.texi (C++ Dialect Options): Fix typo.
3468 2017-01-25  Richard Biener  <rguenther@suse.de>
3470         PR tree-optimization/69264
3471         * target.def (vector_alignment_reachable): Improve documentation.
3472         * doc/tm.texi: Regenerate.
3473         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
3474         and add a comment.
3475         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
3476         earlier changes with respect to TYPE_USER_ALIGN.
3477         (vector_alignment_reachable_p): Likewise.  Improve dumping.
3479 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3481         PR target/79145
3482         * config/arm/arm.md (xordi3): Force constant operand into a register
3483         for TARGET_IWMMXT.
3485 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3487         * doc/invoke.texi (-fstore-merging): Correct default optimization
3488         levels at which it is enabled.
3489         (-O): Move -fstore-merging from list to...
3490         (-O2): ... Here.
3492 2017-01-25  Richard Biener  <rguenther@suse.de>
3494         PR debug/78363
3495         * omp-expand.c: Include debug.h.
3496         (expand_omp_taskreg): Make sure to generate early debug before
3497         outlining anything from a function.
3498         (expand_omp_target): Likewise.
3499         (grid_expand_target_grid_body): Likewise.
3501 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
3503         PR lto/79061
3504         * asan.c (get_translation_unit_decl): New function.
3505         (asan_add_global): Extract modules file name from globals
3506         TRANSLATION_UNIT_DECL name.
3508 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
3510         PR target/77439
3511         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
3512         for long calls with APCS frame and VFP.
3514 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
3516         * cfg.c (original_copy_tables_initialized_p): New function.
3517         * cfg.h (original_copy_tables_initialized_p): New decl.
3518         * cfgrtl.c (relink_block_chain): Guard the call to
3519         free_original_copy_tables with a call to
3520         original_copy_tables_initialized_p.
3521         * cgraph.h (symtab_node::native_rtl_p): New decl.
3522         * cgraphunit.c (symtab_node::native_rtl_p): New function.
3523         (symtab_node::needed_p): Don't assert for early assembly output
3524         for __RTL functions.
3525         (cgraph_node::finalize_function): Set "force_output" for __RTL
3526         functions.
3527         (cgraph_node::analyze): Bail out early for __RTL functions.
3528         (analyze_functions): Update assertion to support __RTL functions.
3529         (cgraph_node::expand): Bail out early for __RTL functions.
3530         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
3531         __RTL functions.
3532         * function.h (struct function): Update comment for field
3533         "pass_startwith".
3534         * gimple-expr.c: Include "tree-pass.h".
3535         (gimple_has_body_p): Return false for __RTL functions.
3536         * Makefile.in (OBJS): Add run-rtl-passes.o.
3537         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
3538         accessor.
3539         (gcc::pass_manager::get_clean_slate): New accessor.
3540         * passes.c: Include "insn-addr.h".
3541         (should_skip_pass_p): Add logging.  Update logic for running
3542         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
3543         property-provider override so it is only done for gimple passes.
3544         Don't skip dfinit.
3545         (skip_pass): New function.
3546         (execute_one_pass): Call skip_pass when skipping passes.
3547         * read-md.c (md_reader::read_char): Support filtering
3548         the input to a subset of line numbers.
3549         (md_reader::md_reader): Initialize fields
3550         m_first_line and m_last_line.
3551         (md_reader::read_file_fragment): New function.
3552         * read-md.h (md_reader::read_file_fragment): New decl.
3553         (md_reader::m_first_line): New field.
3554         (md_reader::m_last_line): New field.
3555         * read-rtl-function.c (function_reader::create_function): Only
3556         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
3557         curr_properties.  Set DECL_INITIAL to a dummy block.
3558         (read_rtl_function_body_from_file_range): New function.
3559         * read-rtl-function.h (read_rtl_function_body_from_file_range):
3560         New decl.
3561         * run-rtl-passes.c: New file.
3562         * run-rtl-passes.h: New file.
3564 2017-01-24 Jeff Law  <law@redhat.com>
3566         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
3567         buffer size.
3569 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
3571         PR tree-optimization/79159
3572         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
3573         (record_nonwrapping_iv): Improve boundary using above function if no
3574         value range information.
3576 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
3577             Martin Jambor  <mjambor@suse.cz>
3579         * brig-builtins.def: New file.
3580         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
3581         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
3582         (DEF_HSAIL_SAT_BUILTIN): Likewise.
3583         (DEF_HSAIL_INTR_BUILTIN): Likewise.
3584         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
3585         * builtin-types.def (BT_INT8): New.
3586         (BT_INT16): Likewise.
3587         (BT_UINT8): Likewise.
3588         (BT_UINT16): Likewise.
3589         (BT_FN_ULONG): Likewise.
3590         (BT_FN_UINT_INT): Likewise.
3591         (BT_FN_UINT_ULONG): Likewise.
3592         (BT_FN_UINT_LONG): Likewise.
3593         (BT_FN_UINT_PTR): Likewise.
3594         (BT_FN_ULONG_PTR): Likewise.
3595         (BT_FN_INT8_FLOAT): Likewise.
3596         (BT_FN_INT16_FLOAT): Likewise.
3597         (BT_FN_UINT32_FLOAT): Likewise.
3598         (BT_FN_UINT16_FLOAT): Likewise.
3599         (BT_FN_UINT8_FLOAT): Likewise.
3600         (BT_FN_UINT64_FLOAT): Likewise.
3601         (BT_FN_UINT16_UINT32): Likewise.
3602         (BT_FN_UINT32_UINT16): Likewise.
3603         (BT_FN_UINT16_UINT16_UINT16): Likewise.
3604         (BT_FN_INT_PTR_INT): Likewise.
3605         (BT_FN_UINT_PTR_UINT): Likewise.
3606         (BT_FN_LONG_PTR_LONG): Likewise.
3607         (BT_FN_ULONG_PTR_ULONG): Likewise.
3608         (BT_FN_VOID_UINT64_UINT64): Likewise.
3609         (BT_FN_UINT8_UINT8_UINT8): Likewise.
3610         (BT_FN_INT8_INT8_INT8): Likewise.
3611         (BT_FN_INT16_INT16_INT16): Likewise.
3612         (BT_FN_INT_INT_INT): Likewise.
3613         (BT_FN_UINT_FLOAT_UINT): Likewise.
3614         (BT_FN_FLOAT_UINT_UINT): Likewise.
3615         (BT_FN_ULONG_UINT_UINT): Likewise.
3616         (BT_FN_ULONG_UINT_PTR): Likewise.
3617         (BT_FN_ULONG_ULONG_ULONG): Likewise.
3618         (BT_FN_UINT_UINT_UINT): Likewise.
3619         (BT_FN_VOID_UINT_PTR): Likewise.
3620         (BT_FN_UINT_UINT_PTR: Likewise.
3621         (BT_FN_UINT32_UINT64_PTR): Likewise.
3622         (BT_FN_INT_INT_UINT_UINT): Likewise.
3623         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
3624         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
3625         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
3626         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
3627         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
3628         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
3629         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
3630         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
3631         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
3632         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
3633         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
3634         * doc/frontends.texi: List BRIG FE.
3635         * doc/install.texi (Testing): Add BRIG tesring requirements.
3636         * doc/invoke.texi (Overall Options): Mention BRIG.
3637         * doc/standards.texi (Standards): Doucment BRIG HSA version.
3639 2017-01-24  Richard Biener  <rguenther@suse.de>
3641         PR translation/79208
3642         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
3644 2017-01-24  Martin Jambor  <mjambor@suse.cz>
3646         PR bootstrap/79198
3647         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
3648         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
3649         and known_contexts.
3651 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
3653         PR middle-end/79123
3654         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
3655         casts from signed to unsigned really don't have a range.
3657 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
3659         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
3660         GMP_RNDx for compatiblity.
3662 2017-01-24  Martin Liska  <mliska@suse.cz>
3664         PR bootstrap/79132
3665         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
3666         that would prevent us to call alloca with -1 as argument.
3668 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
3670         * dwarf2out.c (output_compilation_unit_header, output_file_names):
3671         Avoid -Wformat-security warning.
3673 2017-01-23  Andrew Pinski  <apinski@cavium.com>
3675         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
3676         cost table.
3678 2017-01-23  Martin Sebor  <msebor@redhat.com>
3680         PR middle-end/78703
3681         * gimple-ssa-sprintf.c (warn_level): New global.
3682         (format_integer): Use it here and throughout the rest of the file.
3683         Use the same switch to compute sign as base.
3684         (maybe_warn): New function.
3685         (format_directive): Factor out warnings into maybe_warn.
3686         Add debugging output.  Use warn_level.
3687         (add_bytes): Use warn_level.
3688         (pass_sprintf_length::compute_format_length): Add debugging output.
3689         (try_substitute_return_value): Same.
3690         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
3692         PR middle-end/78703
3693         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
3694         (struct fmtresult, format_integer, format_floating): Adjust.
3695         (fmtresult::fmtresult): Set max correctly in two argument ctor.
3696         (get_string_length, format_string,format_directive): Same.
3697         (pass_sprintf_length::compute_format_length): Same.
3698         (try_substitute_return_value): Simplify slightly.
3700         PR middle-end/78703
3701         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
3702         (fmtresult::operator+=): Outlined.
3703         (struct fmtresult): Add ctors.
3704         (struct conversion_spec): Rename...
3705         (struct directive): ...to this.  Add and remove data members.
3706         (directive::set_width, directive::set_precision): New functions.
3707         (format_percent): Use fmtresult ctor.
3708         (get_width_and_precision): Remove.
3709         (format_integer): Make naming changes.  Avoid computing width and
3710         precision.
3711         (format_floating): Same.  Adjust indentation.
3712         (format_character, format_none): New functions.
3713         (format_string): Moved character handling to format_character.
3714         (format_directive): Remove arguments, change return type.
3715         (parse_directive): New function.
3716         (pass_sprintf_length::compute_format_length): Move directive
3717         parsing to parse_directive.
3719 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
3721         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
3722         (assign_assembler_name_if_needed): ... this.
3723         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
3724         (assign_assembler_name_if_needed): ... this.
3725         (free_lang_data_in_cgraph): Adjust callers.
3726         * cgraphunit.c (cgraph_node::analyze): Likewise.
3727         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
3728         Likewise.
3730 2017-01-23  Richard Biener  <rguenther@suse.de>
3732         PR tree-optimization/79088
3733         PR tree-optimization/79188
3734         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
3735         resetting loop bounds after last path deletion.  Reset loop
3736         bounds of the target loop, make code match the comments.
3737         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
3738         Make sure loops need no fixups.
3740 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3742         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
3743         exponent support with double type for first argument.
3744         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
3745         type returned by __builtin_vec_extract_sig,
3746         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
3747         functions from "vector int" to "vector unsigned int" or from
3748         "vector long long int" to "vector unsigned long long int".
3749         Changed type returned by __builtin_vec_extract_exp,
3750         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
3751         functions from "vector int" to "vector unsigned int" or from
3752         "vector long long int" to "vector unsigned long long int".
3753         Changed return type of __builtin_vec_test_data_class,
3754         __builtin_vec_test_data_class_sp, and
3755         __builtin_vec_test_data_class_dp from "vector int" to
3756         "vector bool int" or from "vector long long int" to "vector bool
3757         long long int" and changed second argument type from "unsigned
3758         int" to "int".  Added new overloaded function forms "vector float
3759         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
3760         "vector float __builtin_vec_insert_exp_sp (vector float, vector
3761         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
3762         double, vector unsigned long long int)" and "vector double
3763         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
3764         long int)".  Changed return type of
3765         __builtin_scalar_test_data_class and
3766         __builtin_scalar_test_data_class_sp and
3767         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
3768         int" and changed second argument from "unsigned int" to "int".
3769         Changed type returned by __builtin_scalar_test_neg,
3770         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
3771         from "int" to "bool int".  Added new overloaded function form
3772         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
3773         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
3774         exponent double-precision with floating point first argument.
3775         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
3776         documentation of scalar_test_data_class, scalar_test_neg,
3777         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
3778         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
3779         vec_test_data_class built-in functions to reflect refinements in
3780         their type signatures.
3782 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
3784         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
3785         size of buf.
3786         (aarch64_elf_asm_destructor): Likewise.
3788 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
3790         PR rtl-optimization/78634
3791         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
3792         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
3793         * ifcvt.c (noce_try_cmove): Add missing cost check.
3795         PR rtl-optimization/71724
3796         * combine.c (if_then_else_cond): Look for situations where it is
3797         beneficial to undo the work of one of the recursive calls.
3799 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
3801         PR tree-optimization/70754
3802         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
3803         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
3804         combined stmt before it if not NULL.
3805         (combine_chains): Process refs reversely and compute dominance point
3806         for root ref.
3808 2017-01-23  Martin Liska  <mliska@suse.cz>
3810         PR tree-optimization/79196
3811         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
3812         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
3813         instead of memcmp.
3814         (strlen_optimize_stmt): Call the renamed function.
3816 2017-01-23  Michael Matz  <matz@suse.de>
3818         PR tree-optimization/78384
3819         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
3821 2017-01-23  Richard Biener  <rguenther@suse.de>
3823         PR tree-optimization/79186
3824         * tree-vrp.c (register_new_assert_for): Make sure we've seen
3825         both incoming edges before moving an assert.
3827 2017-01-23  Martin Jambor  <mjambor@suse.cz>
3829         * ipa-prop.c (load_from_param_1): Removed.
3830         (load_from_unmodified_param): Bits from load_from_param_1 put back
3831         here.
3832         (load_from_param): Removed.
3833         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
3834         with stmt.  Reverted back to use of load_from_unmodified_param.
3836 2017-01-23  Martin Jambor  <mjambor@suse.cz>
3838         PR ipa/79108
3839         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
3840         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
3841         field a pointer to garbage collected vector, mark lattices and
3842         ipcp_orig_node with GTY((skip)).
3843         (ipa_get_param_count): Adjust to descriptors being a pointer.
3844         (ipa_get_param): Likewise.
3845         (ipa_get_type): Likewise.
3846         (ipa_get_param_move_cost): Likewise.
3847         (ipa_set_param_used): Likewise.
3848         (ipa_get_controlled_uses): Likewise.
3849         (ipa_set_controlled_uses): Likewise.
3850         (ipa_is_param_used): Likewise.
3851         (ipa_node_params_t): Move into garbage collector.  New methods insert
3852         and remove.
3853         (ipa_node_params_sum): Annotate wth GTY(()).
3854         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
3855         garbage collected.
3856         (ipa_load_from_parm_agg): Adjust declaration.
3857         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
3858         * ipa-profile.c (ipa_profile): Likewise.
3859         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
3860         (ipa_populate_param_decls): Make descriptors parameter garbage
3861         collected.
3862         (ipa_dump_param): Adjust to descriptors being a pointer.
3863         (ipa_alloc_node_params): Likewise.
3864         (ipa_initialize_node_params): Likewise.
3865         (load_from_param_1): Make descriptors parameter garbage collected.
3866         (load_from_unmodified_param): Likewise.
3867         (load_from_param): Likewise.
3868         (ipa_load_from_parm_agg): Likewise.
3869         (ipa_node_params::~ipa_node_params): Removed.
3870         (ipa_free_all_node_params): Remove call to delete operator.
3871         (ipa_node_params_t::insert): New.
3872         (ipa_node_params_t::remove): Likewise.
3873         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
3874         copy known_csts and known_contexts vectors.
3875         (ipa_read_node_info): Adjust to descriptors being a pointer.
3876         (ipcp_modif_dom_walker): Make m_descriptors field garbage
3877         collected.
3878         (ipcp_transform_function): Make descriptors variable garbage
3879         collected.
3881 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
3883         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
3884         * config/i386/avx512dqintrin.h: Ditto.
3885         * config/i386/avx512fintrin.h: Ditto.
3886         * gcc/config/i386/i386.c: Handle new builtins.
3887         * config/i386/i386-builtin.def: Add new builtins.
3888         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
3889         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
3891 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
3892             Martin Liska  <mliska@suse.cz>
3894         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
3895         * asan.c (asan_expand_poison_ifn): Support stores and use
3896         appropriate ASAN report function.
3897         * internal-fn.c (expand_ASAN_POISON_USE): New function.
3898         * internal-fn.def (ASAN_POISON_USE): Declare.
3899         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
3900         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
3901         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
3902         ASAN_POISON calls w/o LHS.
3903         * tree-ssa.c (execute_update_addresses_taken): Create clobber
3904         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
3905         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
3906         * gimplify.c (asan_poison_variables): Add attribute
3907         use_after_scope_memory to variables that really needs to live
3908         in memory.
3909         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
3910         having the attribute.
3912 2017-01-23  Martin Liska  <mliska@suse.cz>
3914         * asan.c (create_asan_shadow_var): New function.
3915         (asan_expand_poison_ifn): Likewise.
3916         * asan.h (asan_expand_poison_ifn): New declaration.
3917         * internal-fn.c (expand_ASAN_POISON): Likewise.
3918         * internal-fn.def (ASAN_POISON): New builtin.
3919         * sanopt.c (pass_sanopt::execute): Expand
3920         asan_expand_poison_ifn.
3921         * tree-inline.c (copy_decl_for_dup_finish): Make function
3922         external.
3923         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
3924         * tree-ssa.c (is_asan_mark_p): New function.
3925         (execute_update_addresses_taken): Rewrite local variables
3926         (identified just by use-after-scope as addressable) into SSA.
3928 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3930         * doc/install.texi (Specific): opensource.apple.com uses https
3931         now. Remove trailing slash.
3933 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3935         * README.Portability: Remove note on an Irix compatibility issue.
3937 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
3939         * gcov.c (INCLUDE_ALGORITHM): Define.
3940         (INCLUDE_VECTOR): Define.
3941         No longer include <vector> and <algorithm> directly.
3943 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
3945         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
3946         to https.
3947         * doc/invoke.texi (Code Gen Options): Ditto.
3949 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
3951         PR lto/78407
3952         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
3954 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
3956         rtl-optimization/79125
3957         * cprop.c (local_cprop_pass): Handle cases where we make an
3958         unconditional trap.
3960 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
3962         PR target/61729
3963         PR target/77850
3964         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
3965         read from, for big endian.
3967 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
3969         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
3970         register pauth builtins for LP64 only.
3972 2017-01-20  Marek Polacek  <polacek@redhat.com>
3974         PR c/79152
3975         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
3976         non-case labels.
3978 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
3980         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
3981         of safelen status.
3982         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
3983         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
3984         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
3986 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3988         PR target/71270
3989         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
3990         in big-endian mode when they are not a single duplicated value.
3992 2017-01-20  Richard Biener  <rguenther@suse.de>
3994         * BASE-VER: Bump to 7.0.1.
3996 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
3998         * omp-low.c (omplow_simd_context): New struct.  Use it...
3999         (lower_rec_simd_input_clauses): ...here and...
4000         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
4001         references to idx, lane, max_vf, is_simt.
4003 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
4005         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
4006         mcpu=nps400.
4008 2017-01-20  Martin Jambor  <mjambor@suse.cz>
4010         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
4011         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
4012         gt-hsa-common.h.
4013         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
4014         (GTFILES): Rename hsa.c to hsa-common.c.
4015         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
4016         * hsa-dump.c: Likewise.
4017         * hsa-gen.c: Likewise.
4018         * hsa-regalloc.c: Likewise.
4019         * ipa-hsa.c: Likewise.
4020         * omp-expand.c: Likewise.
4021         * omp-low.c: Likewise.
4022         * toplev.c: Likewise.
4024 2017-01-20  Marek Polacek  <polacek@redhat.com>
4026         PR c/64279
4027         * doc/invoke.texi: Document -Wduplicated-branches.
4028         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
4029         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
4030         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
4031         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
4032         return 0 only when not OEP_LEXICOGRAPHIC.
4033         (fold_build_cleanup_point_expr): Use the expression
4034         location when building CLEANUP_POINT_EXPR.
4035         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
4036         * tree.c (add_expr): Handle error_mark_node.
4038 2017-01-20  Martin Liska  <mliska@suse.cz>
4040         PR lto/69188
4041         * tree-profile.c (init_ic_make_global_vars): Do not call
4042         finalize_decl.
4043         (gimple_init_gcov_profiler): Likewise.
4045 2017-01-20  Martin Liska  <mliska@suse.cz>
4047         PR ipa/71190
4048         * cgraph.h (maybe_create_reference): Remove argument and
4049         update comment.
4050         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
4051         argument.
4052         * ipa-cp.c (create_specialized_node): Likewise.
4053         * symtab.c (symtab_node::maybe_create_reference): Handle
4054         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
4056 2017-01-20  Martin Liska  <mliska@suse.cz>
4058         * read-rtl-function.c (function_reader::create_function): Use
4059         build_decl instread of build_decl_stat.
4061 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
4063         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
4064         * config/i386/avx512dqintrin.h: Ditto.
4065         * config/i386/avx512fintrin.h: Ditto.
4066         * config/i386/i386-builtin-types.def: Add new types.
4067         * gcc/config/i386/i386.c: Handle new types.
4068         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
4069         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
4070         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
4071         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
4072         (__builtin_ia32_kshiftridi): New.
4073         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
4075 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
4077         PR target/78875
4078         PR target/79140
4079         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
4080         define to rs6000_init_stack_protect_guard.
4081         (rs6000_init_stack_protect_guard): New function.
4083 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
4084             Yunqiang Su  <yunqiang.su@imgtec.com>
4086         * config.gcc (supported_defaults): Add madd4.
4087         (with_madd4): Add validation.
4088         (all_defaults): Add madd4.
4089         * config/mips/mips.opt (mmadd4): New option.
4090         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
4091         mmadd4.
4092         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
4093         __mips_no_madd4.
4094         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
4095         (ISA_HAS_FUSED_MADD4): Likewise.
4096         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
4097         * gcc/doc/install.texi (--with-madd4): Document the new option.
4099 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4101         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
4102         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
4103         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
4104         (aarch64_init_pauth_hint_builtins): New.
4105         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
4106         (aarch64_expand_builtin): Expand new builtins.
4108 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4110         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
4111         * combine-stack-adj.c (no_unhandled_cfa): Handle
4112         REG_CFA_TOGGLE_RA_MANGLE.
4113         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
4114         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
4115         info for return address signing.
4116         (aarch64_expand_epilogue): Likewise.
4118 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4120         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
4121         * config/aarch64/aarch64-protos.h
4122         (aarch64_return_address_signing_enabled): New declaration.
4123         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
4124         New function.
4125         (aarch64_expand_prologue): Sign return address before it's pushed onto
4126         stack.
4127         (aarch64_expand_epilogue): Authenticate return address fetched from
4128         stack.
4129         (aarch64_override_options): Sanity check for ILP32 and ISA level.
4130         (aarch64_attributes): New function attributes for "sign-return-address".
4131         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
4132         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
4133         ("*do_return"): Generate combined instructions according to key index.
4134         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
4135         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
4136         iterators.
4137         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
4138         * config/aarch64/aarch64.opt (msign-return-address=): New.
4139         * doc/extend.texi (AArch64 Function Attributes): Documents
4140         "sign-return-address=".
4141         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
4143 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
4145         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
4146         overall option summary.
4148 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4150         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
4151         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
4152         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
4153         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
4155 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
4157         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
4158         -mpower9-minmax by default for -mcpu=power9.
4159         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
4160         128-bit floating point.
4162 2017-01-20  Alan Modra  <amodra@gmail.com>
4164         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
4165         optimizing for size.
4167 2017-01-20  Alan Modra  <amodra@gmail.com>
4169         PR target/79144
4170         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
4171         for strcmp and strncmp from corresponding builtin decl.
4173 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
4175         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
4176         instead of i386/rtems-64.h.
4177         * config/i386/rtems-64.h: Remove.
4179 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
4181         PR target/78478
4182         Revert:
4183         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
4185         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
4187 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
4189         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
4190         Change int to HOST_WIDE_INT.
4191         * config/aarch64/aarch64-protos.h
4192         (aarch64_simd_gen_const_vector_dup): Likewise.
4193         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
4195 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
4197         * langhooks-def.h (lhd_type_for_size): New decl.
4198         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
4199         * langhooks.c (lhd_type_for_size): New function, taken from
4200         lto_type_for_size.
4202 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
4204         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
4205         define_bypass for CR latency.
4206         (power9-cracked-alu): Update bypass latency and remove power9-branch.
4207         (power9-alu2): Add define_bypass for CR latency.
4208         (power9-cmp): New.
4209         (power9-mul): Update insn latency.
4210         (power9-mul-compare): Update insn latency, bypass latency and remove
4211         power9-branch.
4213 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4215         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
4216         Delete.
4217         * config/aarch64/aarch64.md
4218         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
4219         aarch64_nopcrelative_literal_loads.
4220         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
4222 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
4224         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
4225         TARGET_LOONGSON_3A.
4226         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
4228 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
4230         PR target/78176
4231         * config.gcc (supported_defaults): Add lxc1-sxc1.
4232         (with_lxc1_sxc1): Add validation.
4233         (all_defaults): Add lxc1-sxc1.
4234         * config/mips/mips.opt (mlxc1-sxc1): New option.
4235         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
4236         mlxc1-sxc1.
4237         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
4238         __mips_no_lxc1_sxc1.
4239         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
4240         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
4241         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
4243 2017-01-19  Richard Biener  <rguenther@suse.de>
4245         PR tree-optimization/72488
4246         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
4247         sure to restore SSA info.
4248         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
4250 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
4252         PR rtl-optimization/79121
4253         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
4254         of the inner type when shifting an extended value.
4256 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
4258         PR lto/78407
4259         * symtab.c (symtab_node::equal_address_to): Fix comparing of
4260         interposable aliases.
4262 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
4264         PR target/78516
4265         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
4266         Use the evmergelohi instruction.
4267         (mov_si<mode>_e500_subreg4_2_le): Likewise.
4268         (mov_sitf_e500_subreg8_2_be): Likewise.
4269         (mov_sitf_e500_subreg12_2_le): Likewise.
4270         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
4271         (mov_si<mode>_e500_subreg4_2_be): Likewise.
4272         (mov_sitf_e500_subreg8_2_le): Likewise.
4273         (mov_sitf_e500_subreg12_2_be): Likewise.
4275 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4277         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
4278         attribute from vecsimple to vecperm.
4279         (altivec_vbpermq2): Likewise.
4281 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4283         PR target/79040
4284         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
4286 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4287         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
4288         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
4289         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
4290         case where N arg is SIZE_MAX.
4291         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
4292         (cmpstrsi): Add pattern.
4294 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4296         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4297         __builtin_vec_revb builtins.
4298         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
4299         built-in functions to support generation of the ISA 3.0 XXBR<x>
4300         vector byte reverse instructions.
4301         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
4302         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
4303         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
4304         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
4305         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
4306         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
4307         (P9V_BUILTIN_VEC_REVB): Likewise.
4308         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
4309         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
4310         (p9_xxbrq_v16qi): Likewise.
4311         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
4312         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
4313         (p9_xxbrh_v8hi): Likewise.
4314         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
4315         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
4316         vec_revb built-in functions.
4318 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
4320         PR rtl-optimization/78952
4321         * config/i386/i386.md (any_extract): New code iterator.
4322         (*insvqi_2): Use any_extract for source operand.
4323         (*insvqi_3): Use any_shiftrt for source operand.
4325 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
4327         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
4328         New function.
4329         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
4331 2017-01-18  Matthias Klose  <doko@ubuntu.com>
4333         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
4335 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4337         * config/rs6000/altivec.h (vec_bperm): Change #define.
4338         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
4339         (altivec_vbpermq2): New define_insn.
4340         (altivec_vbpermd): Likewise.
4341         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
4342         function interface.
4343         (VBPERMD): Likewise.
4344         (VBPERM): New polymorphic function interface.
4345         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
4346         Add entries for P9V_BUILTIN_VEC_VBPERM.
4347         * doc/extend.texi: Add interfaces for vec_bperm.
4349 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4351         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
4352         first letter of error messages.
4353         (s390_resolve_overloaded_builtin): Likewise.
4354         * config/s390/s390.c (s390_expand_builtin): Likewise.
4355         (s390_invalid_arg_for_unprototyped_fn): Likewise.
4356         (s390_valid_target_attribute_inner_p): Likewise.
4357         * config/s390/s390.md ("tabort"): Likewise.
4359 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
4361         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
4362         (ISA_AVOID_DIV_HILO): New macro.
4363         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
4364         (ISA_HAS_DDIV): Likewise.
4366 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4368         * doc/invoke.texi (fabi-version): Correct number of occurrences.
4370 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4372         * doc/invoke.texi (fabi-version): Spelling fix.
4374 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4376         PR c++/70182
4377         * doc/invoke.texi (fabi-version): Mention mangling fix for
4378         operator names.
4380 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4382         PR c++/77489
4383         * doc/invoke.texi (fabi-version): Document discriminator mangling.
4385 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
4387         PR target/78875
4388         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
4389         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
4390         the new options.
4391         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
4392         flexible settings.
4393         (stack_protect_test): Ditto.
4394         * config/rs6000/rs6000.opt (mstack-protector-guard=,
4395         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
4396         options.
4397         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
4398         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
4399         -mstack-protector-guard-offset=.
4400         (RS/6000 and PowerPC Options): Ditto.
4402 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
4404         * config/i386/i386.h (MASK_CLASS_P): New define.
4405         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
4406         there are no registers from different register sets also when
4407         mask registers are used.  Update function comment.
4408         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
4409         to (*k/*r) and (*k/*km) alternatives.
4411 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
4413         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
4414         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
4415         (EH_RETURN_HANDLER_RTX): New define.
4416         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
4417         Force frame pointer in EH return functions.
4418         (aarch64_expand_epilogue): Add barrier for eh_return.
4419         (aarch64_final_eh_return_addr): Remove.
4420         (aarch64_eh_return_handler_rtx): New function.
4421         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
4422         Remove.
4423         (aarch64_eh_return_handler_rtx): New prototype.
4425 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4427         * config/rs6000/altivec.h (vec_rlmi): New #define.
4428         (vec_vrlnm): Likewise.
4429         (vec_rlnm): Likewise.
4430         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
4431         (UNSPEC_VRLNM): Likewise.
4432         (VIlong): New mode iterator.
4433         (altivec_vrl<VI_char>mi): New define_insn.
4434         (altivec_vrl<VI_char>nm): Likewise.
4435         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
4436         function entry.
4437         (VRLDNM): Likewise.
4438         (RLNM): New polymorphic function entry.
4439         (VRLWMI): New monomorphic function entry.
4440         (VRLDMI): Likewise.
4441         (RLMI): New polymorphic function entry.
4442         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
4443         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
4444         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
4445         vec_vrlnm.
4447 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
4449         PR debug/78839
4450         * dwarf2out.c (field_byte_offset): Restore the
4451         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
4452         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
4453         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
4454         of build2 + fold.
4456 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4458         PR ada/67205
4459         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
4461 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
4463         PR debug/71669
4464         * dwarf2out.c (add_data_member_location_attribute): For constant
4465         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
4466         instead of DW_AT_data_member_location, DW_AT_bit_offset and
4467         DW_AT_byte_size attributes.
4469 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4471         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
4472         after forcing to constant memory when the code model is medium.
4474 2017-01-17  Julia Koval  <julia.koval@intel.com>
4476         PR target/76731
4477         * config/i386/avx512fintrin.h
4478         (_mm512_i32gather_ps): Change __addr type to void const*.
4479         (_mm512_mask_i32gather_ps): Ditto.
4480         (_mm512_i32gather_pd): Ditto.
4481         (_mm512_mask_i32gather_pd): Ditto.
4482         (_mm512_i64gather_ps): Ditto.
4483         (_mm512_mask_i64gather_ps): Ditto.
4484         (_mm512_i64gather_pd): Ditto.
4485         (_mm512_mask_i64gather_pd): Ditto.
4486         (_mm512_i32gather_epi32): Ditto.
4487         (_mm512_mask_i32gather_epi32): Ditto.
4488         (_mm512_i32gather_epi64): Ditto.
4489         (_mm512_mask_i32gather_epi64): Ditto.
4490         (_mm512_i64gather_epi32): Ditto.
4491         (_mm512_mask_i64gather_epi32): Ditto.
4492         (_mm512_i64gather_epi64): Ditto.
4493         (_mm512_mask_i64gather_epi64): Ditto.
4494         (_mm512_i32scatter_ps): Change __addr type to void*.
4495         (_mm512_mask_i32scatter_ps): Ditto.
4496         (_mm512_i32scatter_pd): Ditto.
4497         (_mm512_mask_i32scatter_pd): Ditto.
4498         (_mm512_i64scatter_ps): Ditto.
4499         (_mm512_mask_i64scatter_ps): Ditto.
4500         (_mm512_i64scatter_pd): Ditto.
4501         (_mm512_mask_i64scatter_pd): Ditto.
4502         (_mm512_i32scatter_epi32): Ditto.
4503         (_mm512_mask_i32scatter_epi32): Ditto.
4504         (_mm512_i32scatter_epi64): Ditto.
4505         (_mm512_mask_i32scatter_epi64): Ditto.
4506         (_mm512_i64scatter_epi32): Ditto.
4507         (_mm512_mask_i64scatter_epi32): Ditto.
4508         (_mm512_i64scatter_epi64): Ditto.
4509         (_mm512_mask_i64scatter_epi64): Ditto.
4510         * config/i386/avx512pfintrin.h
4511         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
4512         (_mm512_mask_prefetch_i32gather_ps): Ditto.
4513         (_mm512_mask_prefetch_i64gather_pd): Ditto.
4514         (_mm512_mask_prefetch_i64gather_ps): Ditto.
4515         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
4516         (_mm512_prefetch_i32scatter_ps): Ditto.
4517         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
4518         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
4519         (_mm512_prefetch_i64scatter_pd): Ditto.
4520         (_mm512_prefetch_i64scatter_ps): Ditto.
4521         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
4522         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
4523         * config/i386/avx512vlintrin.h
4524         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
4525         (_mm_mmask_i32gather_ps): Ditto.
4526         (_mm256_mmask_i32gather_pd): Ditto.
4527         (_mm_mmask_i32gather_pd): Ditto.
4528         (_mm256_mmask_i64gather_ps): Ditto.
4529         (_mm_mmask_i64gather_ps): Ditto.
4530         (_mm256_mmask_i64gather_pd): Ditto.
4531         (_mm_mmask_i64gather_pd): Ditto.
4532         (_mm256_mmask_i32gather_epi32): Ditto.
4533         (_mm_mmask_i32gather_epi32): Ditto.
4534         (_mm256_mmask_i32gather_epi64): Ditto.
4535         (_mm_mmask_i32gather_epi64): Ditto.
4536         (_mm256_mmask_i64gather_epi32): Ditto.
4537         (_mm_mmask_i64gather_epi32): Ditto.
4538         (_mm256_mmask_i64gather_epi64): Ditto.
4539         (_mm_mmask_i64gather_epi64): Ditto.
4540         (_mm256_i32scatter_ps): Change __addr type to void*.
4541         (_mm256_mask_i32scatter_ps): Ditto.
4542         (_mm_i32scatter_ps): Ditto.
4543         (_mm_mask_i32scatter_ps): Ditto.
4544         (_mm256_i32scatter_pd): Ditto.
4545         (_mm256_mask_i32scatter_pd): Ditto.
4546         (_mm_i32scatter_pd): Ditto.
4547         (_mm_mask_i32scatter_pd): Ditto.
4548         (_mm256_i64scatter_ps): Ditto.
4549         (_mm256_mask_i64scatter_ps): Ditto.
4550         (_mm_i64scatter_ps): Ditto.
4551         (_mm_mask_i64scatter_ps): Ditto.
4552         (_mm256_i64scatter_pd): Ditto.
4553         (_mm256_mask_i64scatter_pd): Ditto.
4554         (_mm_i64scatter_pd): Ditto.
4555         (_mm_mask_i64scatter_pd): Ditto.
4556         (_mm256_i32scatter_epi32): Ditto.
4557         (_mm256_mask_i32scatter_epi32): Ditto.
4558         (_mm_i32scatter_epi32): Ditto.
4559         (_mm_mask_i32scatter_epi32): Ditto.
4560         (_mm256_i32scatter_epi64): Ditto.
4561         (_mm256_mask_i32scatter_epi64): Ditto.
4562         (_mm_i32scatter_epi64): Ditto.
4563         (_mm_mask_i32scatter_epi64): Ditto.
4564         (_mm256_i64scatter_epi32): Ditto.
4565         (_mm256_mask_i64scatter_epi32): Ditto.
4566         (_mm_i64scatter_epi32): Ditto.
4567         (_mm_mask_i64scatter_epi32): Ditto.
4568         (_mm256_i64scatter_epi64): Ditto.
4569         (_mm256_mask_i64scatter_epi64): Ditto.
4570         (_mm_i64scatter_epi64): Ditto.
4571         (_mm_mask_i64scatter_epi64): Ditto.
4572         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
4573         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
4574         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
4575         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
4576         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
4577         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
4578         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
4579         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
4580         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
4581         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
4582         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
4583         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
4584         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
4585         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
4586         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
4587         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
4588         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
4589         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
4590         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
4591         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
4592         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
4593         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
4594         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
4595         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
4596         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
4597         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
4598         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
4599         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
4600         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
4601         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
4602         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
4603         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
4604         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
4605         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
4606         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
4607         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
4608         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
4609         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
4610         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
4611         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
4612         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
4613         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
4614         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
4615         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
4616         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
4617         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
4618         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
4619         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
4620         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
4621         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
4622         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
4623         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
4624         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
4625         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
4626         definitions accordingly.
4628 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
4629             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
4631         PR target/79079
4632         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
4633         gen_lowpart.
4635 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
4637         PR target/79058
4638         * ira-conflicts.c (ira_build_conflicts): Update total conflict
4639         hard regs for inner regno.
4641 2017-01-17  Martin Liska  <mliska@suse.cz>
4643         PR ipa/71207
4644         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
4645         assumption and add comment.
4647 2017-01-17  Nathan Sidwell  <nathan@acm.org>
4649         * ipa-visibility.c (localize_node): New function, broken out of ...
4650         (function_and_variable_visibility): ... here. Call it.
4652 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
4654         PR middle-end/77445
4655         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
4656         correctly set frequency of oudgoing edge.
4657         (duplicate_thread_path): Fix profile updating.
4659 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
4661         PR other/79046
4662         * configure.ac: Add GCC_BASE_VER.
4663         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
4664         version from BASE-VER file.
4665         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
4666         (gcc.o): Depend on $(BASEVER).
4667         * common.opt (dumpfullversion): New option.
4668         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
4669         * doc/invoke.texi: Document -dumpfullversion.
4670         * doc/install.texi: Document --with-gcc-major-version-only.
4671         * configure: Regenerated.
4673 2017-01-17  Richard Biener  <rguenther@suse.de>
4675         PR tree-optimization/71433
4676         * tree-vrp.c (register_new_assert_for): Merge same asserts
4677         on all incoming edges.
4678         (process_assert_insertions_for): Handle insertions at the
4679         beginning of BBs.
4681 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
4683         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
4684         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
4686 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4688         PR target/78633
4689         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
4690         RTL sharing.
4692 2017-01-17  Alan Modra  <amodra@gmail.com>
4694         PR target/79066
4695         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
4696         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
4697         symbolic stack limit when pic.
4699 2017-01-16  Martin Sebor  <msebor@redhat.com>
4701         PR tree-optimization/78608
4702         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
4704 2017-01-16  Jeff Law  <law@redhat.com>
4706         Revert:
4707         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
4708         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
4709         for several include directories that may be relative to sysroot.
4710         * config/i386/x-mingw32 (gplus_includedir): Define.
4711         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
4712         (native_system_includedir): Likewise.
4713         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
4714         override if TARGET_SYSTEM_ROOT is defined.
4715         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
4717         PR tree-optimization/79090
4718         PR tree-optimization/33562
4719         PR tree-optimization/61912
4720         PR tree-optimization/77485
4721         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
4722         and computed trims into the dump file.
4724 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
4726         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
4728 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
4730         PR c/79089
4731         * gimplify.c (gimplify_init_constructor): If want_value and
4732         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
4733         fix.
4735         PR target/79080
4736         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
4737         sequence.  Formatting fixes.
4738         (doloop_optimize): Formatting fixes.
4740         PR driver/49726
4741         * gcc.c (debug_level_greater_than_spec_func): New function.
4742         (static_spec_functions): Add debug-level-gt spec function.
4743         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
4744         !g0.
4745         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
4746         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
4747         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
4748         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
4749         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
4750         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
4752 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
4754         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
4755         QImode fixups to general and mask registers only.
4757 2017-01-16  Carl Love  <cel@us.ibm.com>
4759         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
4760         for built-in functions
4761         vector signed char vec_nabs (vector signed char)
4762         vector signed short vec_nabs (vector signed short)
4763         vector signed int vec_nabs (vector signed int)
4764         vector signed long long vec_nabs (vector signed long long)
4765         vector float vec_nabs (vector float)
4766         vector double vec_nabs (vector double)
4767         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
4768         and NABS overload.
4769         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
4770         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
4771         * doc/extend.texi: Update the documentation file for the new built-in
4772         functions.
4774 2017-01-16  Martin Sebor  <msebor@redhat.com>
4776         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
4777         message.
4779 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4781         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
4782         UNSPEC_VSX__XXSPLTD to require special splat handling.
4784 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
4786         PR bootstrap/78616
4787         * system.h: Poison strndup.
4789 2017-01-16  Alan Modra  <amodra@gmail.com>
4791         PR target/79098
4792         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
4793         use a switch.
4795 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
4797         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
4799 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
4801         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
4802         call recog here.  Assert that INSN_CODE (insn) is non-negative.
4804 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
4806         PR target/72749
4807         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
4808         fallthrough.
4809         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
4810         in the currently scheduled RTL fragment.
4812 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
4814         PR rtl-optimization/78751
4815         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
4816         give up.
4818 2017-01-14  Jeff Law  <law@redhat.com>
4820         PR tree-optimization/79090
4821         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
4822         variable length stores.
4823         (compute_trims): Delete dead assignment to *trim_tail.
4824         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
4825         zero length.
4827 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
4829         PR rtl-optimization/78626
4830         PR rtl-optimization/78727
4831         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
4832         of a block, and split such blocks after everything else is finished.
4834 2017-01-14  Alan Modra  <amodra@gmail.com>
4836         PR target/72749
4837         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
4838         target legitimate_combined_insn.
4839         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
4840         (rs6000_legitimate_combined_insn): New function.
4841         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
4842         all uses.
4843         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
4844         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
4845         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
4847 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
4849         * doc/frontends.texi (G++ and GCC): Remove references to Java.
4851 2017-01-13  Jeff Law  <law@redhat.com>
4853         PR tree-optimization/33562
4854         PR tree-optimization/61912
4855         PR tree-optimization/77485
4856         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
4857         a statement.
4858         (delete_dead_assignment): Likewise.
4859         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
4860         statement to delete_dead_call and delete_dead_assignment.
4862 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
4864         PR c/78304
4865         * substring-locations.c (format_warning_va): Strengthen case 1 so
4866         that both endpoints of the substring must be within the format
4867         range for just the substring to be printed.
4869 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
4871         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
4872         * config/i386/i386.c (ix86_target_string): Add missing options
4873         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
4874         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
4875         flags_other and ix86_target_other to flags2_other.  Display unknown
4876         isa2 options.
4877         (ix86_valid_target_attribute_inner_p): Add missing options and
4878         reorder options by implied ISAs, as in ix86_target_string.
4880 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
4882         * hash-table.h (hash_table::too_empty_p): New function.
4883         (hash_table::expand): Use it.
4884         (hash_table::traverse): Likewise.
4885         (hash_table::empty_slot): Use sizeof (value_type) instead of
4886         sizeof (PTR) to convert bytes to elements.  Shrink the table
4887         if the current size is excessive for the current number of
4888         elements.
4890 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
4892         * ira-costs.c (record_reg_classes): Break from the inner loop
4893         early once alt_fail is known to be true.  Update outer loop
4894         handling accordingly.
4896 2017-01-13  Jeff Law  <law@redhat.com>
4898         * tree-ssa-dse.c (decrement_count): New function.
4899         (increment_start_addr, maybe_trim_memstar_call): Likewise.
4900         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
4901         when we know the partially dead statement is a mem* function.
4903         PR tree-optimization/61912
4904         PR tree-optimization/77485
4905         * tree-ssa-dse.c: Include expr.h.
4906         (maybe_trim_constructor_store): New function.
4907         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
4909         PR tree-optimization/33562
4910         PR tree-optimization/61912
4911         PR tree-optimization/77485
4912         * doc/invoke.texi: Document new dse-max-object-size param.
4913         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
4914         * tree-ssa-dse.c: Include params.h.
4915         (dse_store_status): New enum.
4916         (initialize_ao_ref_for_dse): New, partially extracted from
4917         dse_optimize_stmt.
4918         (valid_ao_ref_for_dse, normalize_ref): New.
4919         (setup_live_bytes_from_ref, compute_trims): Likewise.
4920         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
4921         (maybe_trim_partially_dead_store): Likewise.
4922         (maybe_trim_complex_store): Likewise.
4923         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
4924         Track what bytes live from the original store.  Return tri-state
4925         for dead, partially dead or live.
4926         (dse_dom_walker): Add constructor, destructor and new private members.
4927         (delete_dead_call, delete_dead_assignment): New extracted from
4928         dse_optimize_stmt.
4929         (dse_optimize_stmt): Make a member of dse_dom_walker.
4930         Use initialize_ao_ref_for_dse.
4932         PR tree-optimization/33562
4933         PR tree-optimization/61912
4934         PR tree-optimization/77485
4935         * sbitmap.h (bitmap_count_bits): Prototype.
4936         (bitmap_clear_range, bitmap_set_range): Likewise.
4937         * sbitmap.c (bitmap_clear_range): New function.
4938         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
4940 2017-01-13  Martin Liska  <mliska@suse.cz>
4942         PR ipa/79043
4943         * function.c (set_cfun): Add new argument force.
4944         * function.h (set_cfun): Likewise.
4945         * ipa-inline-transform.c (inline_call): Use the function when
4946         strict alising from is dropped for function we inline to.
4948 2017-01-13  Richard Biener  <rguenther@suse.de>
4950         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
4951         for dumping GIMPLE INTEGER_CSTs.
4953 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4955         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
4956         to 201112L since C++17.
4958 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
4960         PR sanitizer/78887
4961         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
4962         if -fsanitize=kernel-address is present.
4964 2017-01-13  Richard Biener  <rguenther@suse.de>
4966         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
4967         as _Literal ( type ) number in case usual suffixes do not
4968         preserve all information.
4970 2017-01-13  Richard Biener  <rguenther@suse.de>
4972         PR tree-optimization/77283
4973         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
4974         and ssa-iterators.h.
4975         (is_feasible_trace): Implement a cost model based on joiner
4976         PHI node uses.
4978 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4980         PR target/79004
4981         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
4982         char or short to __float128/_Float128 directly.
4984 2017-01-12  Martin Sebor  <msebor@redhat.com>
4986         to -Wformat-overflow.
4987         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
4988         (min_bytes_remaining): Same.
4989         (get_string_length): Same.
4990         (format_string): Same.
4991         (format_directive): Same.
4992         (add_bytes): Same.
4993         (pass_sprintf_length::handle_gimple_call): Same.
4995 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
4997         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
4998         info.nowrite calls with no lhs that can't throw.  Return bool
4999         whether gsi_remove has been called or not.
5000         (pass_sprintf_length::handle_gimple_call): Return bool whether
5001         try_substitute_return_value called gsi_remove.  Formatting fix.
5002         (pass_sprintf_length::execute): Don't use gsi_remove if
5003         handle_gimple_call returned true.
5005         PR bootstrap/79069
5006         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
5007         be removed due to side-effects, don't remove following barrier nor
5008         turn the successor edge into fallthru edge.
5010 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5012         PR target/79044
5013         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
5014         element-reversing loads and stores as not swappable.
5016 2017-01-12  Nathan Sidwell  <nathan@acm.org>
5017             Nicolai Stange  <nicstange@gmail.com>
5019         * combine.c (try_combine): Don't ignore result of overlap checking
5020         loop.  Combine overlap & asm check into single loop.
5022 2017-01-12  Richard Biener  <rguenther@suse.de>
5024         * tree-pretty-print.c (dump_generic_node): Provide -gimple
5025         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
5027 2017-01-12  Richard Biener  <rguenther@suse.de>
5029         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
5030         and TS_TARGET_OPTION directly derive from TS_BASE.
5031         * tree-core.h (tree_optimization_option): Derive from tree_base.
5032         (tree_target_option): Likewise.
5034 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
5036         * config/i386/i386.c (memory_address_length): Increase len
5037         only when rip_relative_addr_p returns false.
5039 2017-01-11  Julia Koval  <julia.koval@intel.com>
5041         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
5042         (OPTION_MASK_ISA_SGX_SET): New.
5043         (ix86_handle_option): Handle OPT_msgx.
5044         * config.gcc: Added sgxintrin.h.
5045         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
5046         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
5047         * config/i386/i386.c (ix86_target_string): Add -msgx.
5048         (PTA_SGX): New.
5049         (ix86_option_override_internal): Handle new options.
5050         (ix86_valid_target_attribute_inner_p): Add sgx.
5051         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
5052         * config/i386/i386.opt: Add msgx.
5053         * config/i386/sgxintrin.h: New file.
5054         * config/i386/x86intrin.h: Add sgxintrin.h.
5056 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
5058         PR c++/71537
5059         * fold-const.c (maybe_nonzero_address): Return 1 for function
5060         local objects.
5061         (tree_single_nonzero_warnv_p): Don't handle function local objects
5062         here.
5064         PR c++/72813
5065         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
5066         of c-header.
5068 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
5070         PR driver/78877
5071         * opts.c: Include "spellcheck.h"
5072         (struct string_fragment): New struct.
5073         (struct edit_distance_traits<const string_fragment &>): New
5074         struct.
5075         (get_closest_sanitizer_option): New function.
5076         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
5078 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
5080         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
5081         by 12.
5082         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
5083         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
5084         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
5085         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
5086         for initial die_offset if dwarf_split_debug_info.
5087         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
5088         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
5089         fields.
5090         (output_skeleton_debug_sections): Formatting fix.  Use
5091         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
5092         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
5094 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
5096         * config/arm/cortex-a53.md: Add bypasses for
5097         cortex_a53_r2f_cvt.
5098         (cortex_a53_r2f): Only use for transfers.
5099         (cortex_a53_f2r): Likewise.
5100         (cortex_a53_r2f_cvt): Add reservation for conversions.
5101         (cortex_a53_f2r_cvt): Likewise.
5103 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
5105         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
5106         to all inlined functions, change static to extern.
5108 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
5110         PR target/78253
5111         * config/arm/arm.c (legitimize_pic_address): Handle reference to
5112         weak symbol.
5113         (arm_assemble_integer): Likewise.
5115 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
5117         * config.gcc: Use new awk script to check CPU, FPU and architecture
5118         parameters for --with-... options.
5119         * config/arm/parsecpu.awk: New file
5120         * config/arm/arm-cpus.in: New file.
5121         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
5122         files.
5123         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
5124         files.
5125         * config/arm/t-arm: Update dependency rules.
5126         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
5127         of processing .def files.
5128         * config/arm/genopt.sh: Deleted.
5129         * config/arm/gentune.sh: Deleted.
5130         * config/arm/arm-cores.def: Deleted.
5131         * config/arm/arm-arches.def: Deleted.
5132         * config/arm/arm-fpus.def: Deleted.
5133         * config/arm/arm-tune.md: Regenerated.
5134         * config/arm/arm-tables.opt: Regenerated.
5135         * config/arm/arm-cpu.h: New generated file.
5136         * config/arm/arm-cpu-data.h: New generated file.
5137         * config/arm/arm-cpu-cdata.h: New generated file.
5139 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
5141         PR lto/79042
5142         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
5143         bit.
5144         (input_varpool_node): Unpack dynamically_initialized bit.
5146 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5148         PR rtl-optimization/79032
5149         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
5150         the alignment of the adjusted memory reference against that of MODE,
5151         instead of the alignment of the original memory reference.
5153 2017-01-11  Martin Jambor  <mjambor@suse.cz>
5155         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
5156         test.
5157         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
5158         decorated functions.
5160 2017-01-11  Richard Biener  <rguenther@suse.de>
5162         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
5163         set range/nonnull info for PHI results.  Do not set it on
5164         stmts marked for removal.
5166 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
5168         * expr.c (store_field): In the bitfield case, fetch the return value
5169         from the registers before applying a single big-endian adjustment.
5170         Always do a final load for a BLKmode value not larger than a word.
5172 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
5174         PR c++/77949
5175         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
5176         that we correctly handle column numbers greater than
5177         LINE_MAP_MAX_COLUMN_NUMBER.
5179 2017-01-10  Martin Sebor  <msebor@redhat.com>
5181         PR middle-end/78245
5182         * gimple-ssa-sprintf.c (get_destination_size): Call
5183         {init,fini}object_sizes.
5184         * tree-object-size.c (addr_object_size): Adjust.
5185         (pass_through_call): Adjust.
5186         (pass_object_sizes::execute): Adjust.
5187         * tree-object-size.h (fini_object_sizes): Declare.
5189 2017-01-10  Martin Sebor  <msebor@redhat.com>
5191         PR tree-optimization/78775
5192         * builtins.c (get_size_range): Move...
5193         * calls.c: ...to here.
5194         (alloc_max_size): Accept zero argument.
5195         (operand_signed_p): Remove.
5196         (maybe_warn_alloc_args_overflow): Call get_size_range.
5197         * calls.h (get_size_range): Declare.
5199 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
5201         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
5202         from TI's devices.csv file as of September 2016.
5203         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
5205 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
5207         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
5208         * doc/invoke.texi: Likewise.
5209         * doc/md.texi: Likewise.
5210         * doc/objc.texi: Likewise.
5212 2017-01-10  Joshua Conner  <joshconner@google.com>
5214         * config/arm/fuchsia-elf.h: New file.
5215         * config/fuchsia.h: New file.
5216         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
5217         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
5218         targets.
5219         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
5221 2016-01-10  Richard Biener  <rguenther@suse.de>
5223         PR tree-optimization/79034
5224         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
5225         Propagate out degenerate PHIs in the joiner.
5227 2017-01-10  Martin Liska  <mliska@suse.cz>
5229         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
5230         (sort_congruence_classes_by_decl_uid): Likewise.
5231         (sort_congruence_class_groups_by_decl_uid): Likewise.
5232         (sem_item_optimizer::merge_classes): Sort class, groups in these
5233         classes and members in the groups by DECL_UID of declarations.
5234         This would make merge operations stable.
5236 2017-01-10  Martin Liska  <mliska@suse.cz>
5238         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
5239         usage of m_classes_vec.
5240         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
5241         (sem_item_optimizer::get_group_by_hash): Likewise.
5242         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
5243         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
5244         (sem_item_optimizer::verify_classes): Likewise.
5245         (sem_item_optimizer::process_cong_reduction): Likewise.
5246         (sem_item_optimizer::dump_cong_classes): Likewise.
5247         (sem_item_optimizer::merge_classes): Likewise.
5248         * ipa-icf.h (congruence_class_hash): Rename from
5249         congruence_class_group_hash.  Remove declaration of m_classes_vec.
5251 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
5253         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
5254         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
5255         * config.gcc: Add avx512vpopcntdqintrin.h.
5256         * config/i386/avx512vpopcntdqintrin.h: New.
5257         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
5258         * config/i386/i386-builtin-types.def: Add new types.
5259         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
5260         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
5261         __builtin_ia32_vpopcountq_v8di_mask): New.
5262         * config/i386/i386-c.c (ix86_target_macros_internal): Define
5263         __AVX512VPOPCNTDQ__.
5264         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
5265         (PTA_AVX512VPOPCNTDQ): Define.
5266         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
5267         TARGET_AVX512VPOPCNTDQ_P): Define.
5268         * config/i386/i386.opt: Add mavx512vpopcntdq.
5269         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
5270         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
5272 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5274         PR middle-end/77484
5275         * predict.def (PRED_CALL): Set to 67.
5277 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5279         * expr.c (store_field): In the bitfield case, if the value comes from
5280         a function call and is of an aggregate type returned in registers, do
5281         not modify the field mode; extract the value in all cases if the mode
5282         is BLKmode and the size is not larger than a word.
5284 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
5286         PR target/71017
5287         * config/i386/cpuid.h: Fix undefined behavior.
5289 2017-01-04  Jeff Law  <law@redhat.com>
5291         PR tree-optimization/79007
5292         PR tree-optimization/67955
5293         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
5294         conservative for pt.null when flag_non_call_exceptions is on.
5296 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
5298         PR translation/79019
5299         PR translation/79020
5300         * params.def (PARAM_INLINE_MIN_SPEEDUP,
5301         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
5302         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
5303         in descriptions.
5304         * config/avr/avr.opt (maccumulate-args): Likewise.
5305         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
5306         * common.opt (freport-bug): Likewise.
5307         * cif-code.def (CIF_FINAL_ERROR): Likewise.
5308         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
5309         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
5310         translatable string.
5311         * config/i386/i386.c (function_value_32): Likewise.
5312         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
5313         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
5314         Likewise.
5315         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
5316         * common/config/msp430/msp430-common.c (msp430_handle_option):
5317         Likewise.
5318         * symtab.c (symtab_node::verify_base): Likewise.
5319         * opts.c (set_debug_level): Likewise.
5320         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
5321         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
5322         missing whitespace to translatable strings.
5323         * config/avr/avr.md (bswapsi2): Fix typo in comment.
5324         * config/sh/superh.h: Likewise.
5325         * config/i386/xopintrin.h: Likewise.
5326         * config/i386/znver1.md: Likewise.
5327         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
5328         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
5329         * double-int.h (struct double_int): Likewise.
5330         * double-int.c (div_and_round_double): Likewise.
5331         * wide-int.cc: Likewise.
5332         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
5333         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
5334         * cfgcleanup.c (crossjumps_occured): Renamed to ...
5335         (crossjumps_occurred): ... this.
5336         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
5337         Adjust all uses.
5339         PR tree-optimization/78899
5340         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
5341         returning bool return struct loop *, NULL for failure and the new
5342         loop on success.
5343         (versionable_outer_loop_p): Don't version outer loop if it has
5344         dont_vectorized bit set.
5345         (tree_if_conversion): When versioning outer loop, ensure
5346         tree_if_conversion is performed also on the inner loop of the
5347         non-vectorizable outer loop copy.
5348         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
5349         LOOP_VECTORIZED in inner loop of the scalar outer loop and
5350         prevent vectorization of it.
5351         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
5352         the outer loop vectorization of the non-scalar version is attempted
5353         before vectorization of the inner loop in scalar version.  If
5354         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
5355         vectorization of its inner loop.
5356         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
5357         has 2 inner loops, rename also on edges from bb whose single pred
5358         is outer_loop->header.  Fix typo in function comment.
5360 2017-01-09  Martin Sebor  <msebor@redhat.com>
5362         PR bootstrap/79033
5363         * asan.c (asan_emit_stack_protection): Increase local buffer size
5364         to avoid snprintf truncation warning.
5366 2017-01-09  Andrew Pinski  <apinski@cavium.com>
5368         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
5369         to reference thunderx2t99 for the tuning structure
5370         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
5371         Rename to ...
5372         (thunderx2t99_extra_costs): This.
5373         * config/aarch64/aarch64-tune.md: Regenerate.
5374         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
5375         (vulcan_addrcost_table): This.
5376         (vulcan_regmove_cost): Rename to ...
5377         (thunderx2t99_regmove_cost): This.
5378         (vulcan_vector_cost): Rename to ...
5379         (thunderx2t99_vector_cost): this.
5380         (vulcan_branch_cost): Rename to ...
5381         (thunderx2t99_branch_cost): This.
5382         (vulcan_tunings): Rename to ...
5383         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
5384         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
5386 2017-01-09  Martin Jambor  <mjambor@suse.cz>
5388         PR ipa/78365
5389         PR ipa/78599
5390         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
5391         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
5392         (propagate_vr_accross_jump_function): Use the above function for all
5393         value range computations for pass-through jump functions and type
5394         converasion from explicit value range values.
5395         (ipcp_propagate_stage): Do not attempt to deduce types of formal
5396         parameters from TYPE_ARG_TYPES.
5397         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
5398         (ipa_write_node_info): Stream type of the actual argument.
5399         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
5401 2017-01-09  Martin Liska  <mliska@suse.cz>
5403         PR pch/78970
5404         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
5405         (lookup_compiler): Do not show error message with have_E.
5407 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
5409         PR tree-optimization/78938
5410         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
5411         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
5412         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
5413         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
5414         fixes.
5416 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5418         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
5419         is const0_rtx.
5421 2017-01-09  Richard Biener  <rguenther@suse.de>
5423         PR tree-optimization/78997
5424         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
5425         name condition properly.
5427 2017-01-09  Richard Biener  <rguenther@suse.de>
5429         PR debug/79000
5430         * dwarf2out.c (is_cxx): New overload with context.
5431         (is_naming_typedef_decl): Use it.
5433 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
5435         * invoke.texi (Option Summary): Correct spacing in option lists
5436         and add line breaks to fix over-long lines.
5438 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
5440         PR middle-end/17660
5442         * extend.texi (Common Variable Attributes): Add xref to GCC
5443         Internals manual to explain mode attribute keywords.
5445 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
5447         PR other/16519
5448         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
5449         and Preprocessor Options.
5450         (Options for Linking): Document -pthread here....
5451         (RS/6000 and PowerPC Options): ...not here.
5452         (Solaris 2 Options): ...or here.
5453         * doc/cppopts.texi: Document -pthread.
5455 2017-01-08  Martin Sebor  <msebor@redhat.com>
5457         PR middle-end/77708
5458         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
5459         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
5460         New member functions.
5461         (format_directive): Used them.
5462         (add_bytes): Same.
5463         (pass_sprintf_length::handle_gimple_call): Same.
5464         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
5465         to avoid truncation for any argument.
5466         (extract_affine_mul): Same.
5467         * tree.c (get_file_function_name): Same.
5469 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5471         PR middle-end/77484
5472         * predict.def (PRED_INDIR_CALL): Set to 86.
5474 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
5476         PR preprocessor/54124
5477         * doc/cppopts.texi: Reformat -d subtable to list the full name
5478         of the options.  Add cross-reference to the docs for the general
5479         compiler -d options.
5480         * doc/invoke.texi (Developer Options): Add cross-reference to the
5481         preprocessor-specific -d option documentation.
5483 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
5485         PR preprocessor/13498
5486         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
5487         redudant material, and reflect new command-line options.
5488         (System Headers): Likewise.
5490 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
5492         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
5493         -isystem, and -idirafter.  Copy-edit.
5494         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
5495         default for -ftrack-macro-expansion.  Delete obsolete and
5496         badly-formatted implementation details about -fdebug-cpp output.
5497         * doc/cppwarnopts.texi: Copy-edit.
5499 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
5501         PR c++/72803
5502         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
5503         that the transition from a max line width >= 1<<10 to narrower
5504         lines works correctly.
5506 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
5508         * doc/options.texi (PerFunction): New.
5509         * opt-functions.awk (switch_flags): Map both Optimization and
5510         PerFunction to CL_OPTIMIZATION.
5511         * opth-gen.awk: Test for PerFunction flag along with
5512         Optimization.
5513         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
5514         it only when the latter is present.  Skip those that don't in
5515         the hash function generator.
5516         * common.opt (fvar-tracking): Mark as PerFunction instead of
5517         Optimization.
5518         (fvar-tracking-assignments): Likewise.
5519         (fvar-tracking-assignments-toggle): Likewise.
5520         (fvar-tracking-uninit): Likewise.
5522 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
5524         PR translation/79018
5525         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
5526         the and store.
5528 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
5530         PR target/57583
5531         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
5532         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
5533         TARGET_LONG_JUMP_TABLE_OFFSETS.
5534         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
5535         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
5536         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
5537         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
5538         * config/m68k/m68k.md (tablejump expander): Likewise.
5539         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
5540         TARGET_LONG_JUMP_TABLE_OFFSETS.
5541         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
5542         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
5544 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
5545             David Holsgrove <david.holsgrove@xilinx.com>
5547         * common/config/microblaze/microblaze-common.c
5548         (TARGET_EXCEPT_UNWIND_INFO): Remove.
5549         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
5550         New prototype.
5551         * config/microblaze/microblaze.c (microblaze_must_save_register)
5552         (microblaze_expand_epilogue, microblaze_return_addr): Handle
5553         calls_eh_return.
5554         (microblaze_eh_return): New function.
5555         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
5556         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
5557         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
5558         * config/microblaze/microblaze.md (eh_return): New pattern.
5560 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
5562         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
5563         GCC_DIAGNOSTIC_STRINGIFY): Define.
5565         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
5567 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5569         * config/arm/arm.md (<mcrr>): New.
5570         (<mrrc>): New.
5571         * config/arm/arm.c (arm_arch5te): New.
5572         (arm_option_override): Set arm_arch5te.
5573         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
5574         and mrrc2.
5575         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
5576         (arm_mcrr_qualifiers): ... this. New.
5577         (MRRC_QUALIFIERS): Define to...
5578         (arm_mrrc_qualifiers): ... this. New.
5579         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
5580         __arm_mrrc2): New.
5581         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
5582         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
5583         (MRRCI, mrrc, MRRC): New.
5584         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
5585         VUNSPEC_MRRC2): New.
5587 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5589         * config/arm/arm.md (<mcr>): New.
5590         (<mrc>): New.
5591         * config/arm/arm.c (arm_coproc_builtin_available): Add
5592         support for mcr, mrc, mcr2 and mrc2.
5593         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
5594         (arm_mcr_qualifiers): ... this. New.
5595         (MRC_QUALIFIERS): Define to ...
5596         (arm_mrc_qualifiers): ... this. New.
5597         (MCR_QUALIFIERS): Define to ...
5598         (arm_mcr_qualifiers): ... this. New.
5599         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
5600         __arm_mrc2): New.
5601         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
5602         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
5603         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
5604         VUNSPEC_MRC2): New.
5606 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5608         * config/arm/arm.md (*ldc): New.
5609         (*stc): New.
5610         (<ldc>): New.
5611         (<stc>): New.
5612         * config/arm/arm.c (arm_coproc_builtin_available): Add
5613         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
5614         (arm_coproc_ldc_stc_legitimate_address): New.
5615         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
5616         'qualifier_const_pointer'.
5617         (LDC_QUALIFIERS): Define to...
5618         (arm_ldc_qualifiers): ... this. New.
5619         (STC_QUALIFIERS): Define to...
5620         (arm_stc_qualifiers): ... this. New.
5621         * config/arm/arm-protos.h
5622         (arm_coproc_ldc_stc_legitimate_address): New.
5623         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
5624         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
5625         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
5626         stc2, stcl, stc2l): New.
5627         * config/arm/constraints.md (Uz): New.
5628         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
5629         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
5630         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
5631         VUNSPEC_STC2L): New.
5633 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5635         * config/arm/arm.md (<cdp>): New.
5636         * config/arm/arm.c (neon_const_bounds): Rename this ...
5637         (arm_const_bounds): ... this.
5638         (arm_coproc_builtin_available): New.
5639         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
5640         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
5641         (CDP_QUALIFIERS): Define to...
5642         (arm_cdp_qualifiers): ... this. New.
5643         (void_UP): Define.
5644         (arm_expand_builtin_args): Add case for 6 arguments.
5645         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
5646         (arm_const_bounds): ... this.
5647         (arm_coproc_builtin_available): New.
5648         * config/arm/arm_acle.h (__arm_cdp): New.
5649         (__arm_cdp2): New.
5650         * config/arm/arm_acle_builtins.def (cdp): New.
5651         (cdp2): New.
5652         * config/arm/iterators.md (CDPI,CDP,cdp): New.
5653         * config/arm/neon.md: Rename all 'neon_const_bounds' to
5654         'arm_const_bounds'.
5655         * config/arm/types.md (coproc): New.
5656         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
5657         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
5658         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
5659         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
5661 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5663         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
5664         (UBINOP_QUALIFIERS): New.
5665         (si_UP): Define.
5666         (acle_builtin_data): New. Change comment.
5667         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
5668         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
5669         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
5670         arm_acle_builtins.def.
5671         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
5672         (arm_init_acle_builtins): New.
5673         (CRC32_BUILTIN): Remove.
5674         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
5675         crc32cb, crc32ch and crc32cw.
5676         (arm_init_crc32_builtins): Remove.
5677         (arm_init_builtins): Use arm_init_acle_builtins rather
5678         than arm_init_crc32_builtins.
5679         (arm_expand_acle_builtin): New.
5680         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
5681         * config/arm/arm_acle_builtins.def: New.
5683 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5685         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
5686         (arm_builtin_datum): ... this.
5687         (arm_init_neon_builtin): Rename to ...
5688         (arm_init_builtin): ... this. Add a new parameters PREFIX
5689         and USE_SIG_IN_NAME.
5690         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
5691         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
5692         'arm_builtin_datum'.
5693         (arm_init_vfp_builtins): Likewise.
5694         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
5695         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
5696         (arm_expand_neon_args): Rename to ...
5697         (arm_expand_builtin_args): ... this. Rename builtin_arg
5698         enum values and differentiate between ARG_BUILTIN_MEMORY
5699         and ARG_BUILTIN_NEON_MEMORY.
5700         (arm_expand_neon_builtin_1): Rename to ...
5701         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
5702         values, arm_expand_builtin_args and add bool parameter NEON.
5703         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
5704         (arm_expand_vfp_builtin): Likewise.
5705         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
5707 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5709         PR middle-end/77484
5710         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
5711         * predict.c (tree_estimate_probability_bb): Reverse direction of
5712         polymorphic call predictor.
5714 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
5716         * passes.c (execute_one_pass): Split out pass-skipping logic into...
5717         (determine_pass_name_match): ...this new function and...
5718         (should_skip_pass_p): ...this new function.
5720 2017-01-06  Nathan Sidwell  <nathan@acm.org>
5722         * ipa-visibility.c (function_and_variable_visibility): Reformat
5723         comments and long lines.  Remove extrneous if.
5724         * symtab.c (symtab_node::make_decl_local): Fix code format.
5725         (symtab_node::set_section_for_node): Fix comment typo.
5727 2017-01-06  Martin Liska  <mliska@suse.cz>
5729         PR bootstrap/79003
5730         * lra-constraints.c: Rename invariant to lra_invariant.
5731         * predict.c (set_even_probabilities): Initialize e to NULL.
5733 2017-01-05  Martin Sebor  <msebor@redhat.com>
5735         PR tree-optimization/78910
5736         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
5737         (format_integer): Correct off-by-one error in the handling
5738         of precision with negative numbers in signed conversions..
5740 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5742         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
5744 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
5746         PR tree-optimization/71016
5747         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
5748         factor_out_conditional_conversion.  Formatting fix.
5749         (factor_out_conditional_conversion): Add cond_stmt argument.
5750         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
5751         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
5752         Formatting fix.
5754 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
5756         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
5757         read-rtl-function.o, and selftest-rtl.o.
5758         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
5759         (selftest::aarch64_test_loading_full_dump): New function.
5760         (selftest::aarch64_run_selftests): New function.
5761         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
5762         selftest::aarch64_run_selftests.
5763         * config/i386/i386.c
5764         (selftest::ix86_test_loading_dump_fragment_1): New function.
5765         (selftest::ix86_test_loading_call_insn): New function.
5766         (selftest::ix86_test_loading_full_dump): New function.
5767         (selftest::ix86_test_loading_unspec): New function.
5768         (selftest::ix86_run_selftests): Call the new functions.
5769         * emit-rtl.c (maybe_set_max_label_num): New function.
5770         * emit-rtl.h (maybe_set_max_label_num): New decl.
5771         * function.c (instantiate_decls): Guard call to
5772         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
5773         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
5774         "static".
5775         * gensupport.c (gen_reader::gen_reader): Pass "false"
5776         for new "compact" param of rtx_reader.
5777         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
5778         rather than an empty string for NULL strings.
5779         * read-md.c: Potentially include config.h rather than bconfig.h.
5780         Wrap include of errors.h with #ifdef GENERATOR_FILE.
5781         (have_error): New global, copied from errors.c.
5782         (md_reader::read_name): Rename to...
5783         (md_reader::read_name_1): ...this, adding "out_loc" param,
5784         and converting "missing name or number" to returning false, rather
5785         than failing.
5786         (md_reader::read_name): Reimplement in terms of read_name_1.
5787         (md_reader::read_name_or_nil): New function.
5788         (md_reader::read_string): Handle "(nil)" by returning NULL.
5789         (md_reader::md_reader): Add new param "compact".
5790         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
5791         (md_reader::read_file): New method.
5792         * read-md.h (md_reader::md_reader): Add new param "compact".
5793         (md_reader::read_file): New method.
5794         (md_reader::is_compact): New accessor.
5795         (md_reader::read_name): Convert return type from void to file_location.
5796         (md_reader::read_name_or_nil): New decl.
5797         (md_reader::read_name_1): New decl.
5798         (md_reader::m_compact): New field.
5799         (noop_reader::noop_reader): Pass "false" for new "compact" param
5800         of rtx_reader.
5801         (rtx_reader::rtx_reader): Add new "compact" param.
5802         (rtx_reader::read_rtx_operand): Make virtual and convert return
5803         type from void to rtx.
5804         (rtx_reader::read_until): New decl.
5805         (rtx_reader::handle_any_trailing_information): New virtual function.
5806         (rtx_reader::postprocess): New virtual function.
5807         (rtx_reader::finalize_string): New virtual function.
5808         (rtx_reader::m_in_call_function_usage): New field.
5809         (rtx_reader::m_reuse_rtx_by_id): New field.
5810         * read-rtl-function.c: New file.
5811         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
5812         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
5813         (selftest::verify_three_block_rtl_cfg): New decl.
5814         * read-rtl-function.h: New file.
5815         * read-rtl.c: Potentially include config.h rather than bconfig.h.
5816         For host, include function.h, memmodel.h, and emit-rtl.h.
5817         (one_time_initialization): New function.
5818         (struct compact_insn_name): New struct.
5819         (compact_insn_names): New array.
5820         (find_code): Handle insn codes in compact dumps.
5821         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
5822         (bind_subst_iter_and_attr): Likewise.
5823         (add_condition_to_string): Likewise.
5824         (add_condition_to_rtx): Likewise.
5825         (apply_attribute_uses): Likewise.
5826         (add_current_iterators): Likewise.
5827         (apply_iterators): Likewise.
5828         (initialize_iterators): Guard usage of apply_subst_iterator with
5829         #ifdef GENERATOR_FILE.
5830         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
5831         (md_reader::read_mapping): Likewise.
5832         (add_define_attr_for_define_subst): Likewise.
5833         (add_define_subst_attr): Likewise.
5834         (read_subst_mapping): Likewise.
5835         (check_code_iterator): Likewise.
5836         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
5837         logic to...
5838         (one_time_initialization): New function.
5839         (rtx_reader::read_until): New method.
5840         (read_flags): New function.
5841         (parse_reg_note_name): New function.
5842         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
5843         Handle reuse_rtx ids.
5844         Wrap iterator lookup within #ifdef GENERATOR_FILE.
5845         Add parsing support for RTL dumps, mirroring the special-cases in
5846         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
5847         values, and calling handle_any_trailing_information.
5848         (rtx_reader::read_rtx_operand): Convert return type from void
5849         to rtx, returning return_rtx.  Handle case 'e'.  Call
5850         finalize_string on XSTR and XTMPL fields.
5851         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
5852          "(nil)" values were omitted.  Call the postprocess vfunc on the
5853         return_rtx.
5854         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
5855         class ctor.  Initialize m_in_call_function_usage.  Call
5856         one_time_initialization.
5857         * rtl-tests.c (selftest::test_uncond_jump): Call
5858         set_new_first_and_last_insn.
5859         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
5860         * selftest-rtl.c: New file.
5861         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
5862         (selftest::get_insn_by_uid): New decl.
5863         * selftest-run-tests.c (selftest::run_tests): Call
5864         read_rtl_function_c_tests.
5865         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
5866         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
5867         dumps.
5869 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
5871         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
5872         operands in a special way.  Assert that pos+len <= mode precision.
5874 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
5876         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
5877         3 argument Alias with unlimited for the negative form.
5878         (fno-vect-cost-model): Removed.
5880 2017-01-05  Martin Liska  <mliska@suse.cz>
5882         * hsa-gen.c (gen_hsa_divmod): New function.
5883         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
5885 2017-01-05  Martin Liska  <mliska@suse.cz>
5887         PR pch/78970
5888         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
5889         header.
5891 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5893         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
5894         small constant length operands.
5896 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5898         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
5899         between loop iterations.
5901 2017-01-05  Martin Liska  <mliska@suse.cz>
5903         PR sanitizer/78815
5904         * gimplify.c (gimplify_decl_expr): Compare to
5905         asan_poisoned_variables instread of checking flags.
5906         (gimplify_target_expr): Likewise.
5907         (gimplify_expr): Likewise.
5908         (gimplify_function_tree): Conditionally initialize
5909         asan_poisoned_variables.
5911 2017-01-04  Jeff Law  <law@redhat.com>
5913         PR tree-optimizatin/78812
5914         * rtl.h (contains_mem_rtx_p): Prototype.
5915         * ifcvt.c (containts_mem_rtx_p): Move from here to...
5916         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
5917         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
5918         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
5919         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
5921 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5923         * input.c (assert_char_at_range): Default-initialize actual_range.
5925 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5927         * df-scan.c (df_ref_create_structure): Make regno unsigned,
5928         to match the caller.
5930 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5932         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
5933         insns after final jump in test to emit dummy move.
5935 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5937         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
5938         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
5940 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5942         * multiple_target.c (create_dispatcher_calls): Init e_next.
5943         * tree-ssa-loop-split.c (split_loop): Init border.
5944         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
5945         scalar_type.
5947 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
5949         PR target/71977
5950         PR target/70568
5951         PR target/78823
5952         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
5953         (altivec_register_operand): Do not return true if the operand
5954         contains a SUBREG mixing SImode and SFmode.
5955         (vsx_register_operand): Likewise.
5956         (vsx_reg_sfsubreg_ok): New predicate.
5957         (vfloat_operand): Do not return true if the operand contains a
5958         SUBREG mixing SImode and SFmode.
5959         (vint_operand): Likewise.
5960         (vlogical_operand): Likewise.
5961         (gpc_reg_operand): Likewise.
5962         (int_reg_operand): Likewise.
5963         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
5964         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
5965         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
5966         SImode and SFmode.
5967         (rs6000_emit_move_si_sf_subreg): New helper function.
5968         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
5969         fixup SUBREGs involving SImode and SFmode.
5970         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
5971         numbers for the new peephole2 optimization.
5972         (peephole2 for SFmode unions): New peephole2 to optimize cases in
5973         the GLIBC math library that do AND/IOR/XOR operations on single
5974         precision floating point.
5975         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
5976         target macros to say whether we need to avoid SUBREGs mixing
5977         SImode and SFmode.
5978         (TARGET_ALLOW_SF_SUBREG): Likewise.
5979         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
5980         (UNSPEC_SI_FROM_SF): Likewise.
5981         (iorxor): Change spacing.
5982         (and_ior_xor): New iterator for AND, IOR, and XOR.
5983         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
5984         (movdi_from_sf_zero_ext): Likewise.
5985         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
5986         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
5987         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
5988         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
5989         (fms<mode>4): Likewise.
5990         (fnma<mode>4): Likewise.
5991         (fnms<mode>4): Likewise.
5992         (nfma<mode>4): Likewise.
5993         (nfms<mode>4): Likewise.
5995 2017-01-04  Marek Polacek  <polacek@redhat.com>
5997         PR c++/64767
5998         * doc/invoke.texi: Document -Wpointer-compare.
6000 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
6002         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
6003         RejectNegative.
6005         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
6006         descriptions for -gdwarf-5 and emit them as uleb128 instead of
6007         2-byte data.
6009 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6011         PR target/78056
6012         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
6013         documentation of the powerpc_popcntb_ok attribute.
6014         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
6015         code to issue warning messages if a requested CPU configuration is
6016         not supported by the binary (assembler and loader) toolchain.
6017         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
6018         made to define a built-in function that has been disabled.
6019         (paired_init_builtins): Add assertion to prevent ICE if attempt is
6020         made to define a built-in function that has been disabled.
6021         (altivec_init_builtins): Add comment explaining why definition
6022         of the DST built-in functions is not preceded by an assertion
6023         check.  Add assertions to prevent ICE if attempts are made to
6024         define an altivec predicate or an abs* built-in function that has
6025         been disabled.
6026         (htm_init_builtins): Add comment explaining why definition of the
6027         htm built-in functions is not preceded by an assertion check.
6029 2017-01-04  Jeff Law  <law@redhat.com>
6031         PR tree-optimizatin/67955
6032         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
6033         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
6034         the points-to solution does not include pt_null.  Use DECL_PT_UID
6035         unconditionally.
6037 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
6039         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
6040         Use gen_int_mode instead of gen_lopwart for const_int operands.
6042 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
6044         PR tree-optimization/71563
6045         * match.pd: Simplify X << Y into X if Y is known to be 0 or
6046         out of range value - has low bits known to be zero.
6048 2017-01-04  Alan Modra  <amodra@gmail.com>
6050         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
6051         * configure: Regenerate.
6052         * config.in: Regenerate.
6054 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
6056         PR bootstrap/77569
6057         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
6058         a substring of the message, but strcmp with the whole message.  Ifdef
6059         ENABLE_NLS, translate the message first using dgettext.
6061 2017-01-03  Jeff Law  <law@redhat.com>
6063         PR tree-optimizatin/78856
6064         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
6065         (mark_threaded_blocks): Remove code to truncate thread paths that
6066         cross multiple loop headers.  Instead invalidate the cached loop
6067         iteration information and handle case of a thread path walking
6068         into an irreducible region.
6070 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6072         PR target/78900
6073         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
6074         assertions.  Add support for doing the signbit if the IEEE 128-bit
6075         floating point value is in a GPR.
6076         * config/rs6000/rs6000.md (Fsignbit): Delete.
6077         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
6078         Update the length attribute if the value is in a GPR.
6079         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
6080         the sign or zero extension instruction, since the value is always 0/1.
6081         (signbit<mode>2_dm2): Delete using <Fsignbit>.
6083         PR target/78953
6084         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
6085         extracting SImode to a GPR register so that we can generate a
6086         store, limit the vector to be in a traditional Altivec register
6087         for the vextuwrx instruction.
6089 2017-01-03  Ian Lance Taylor  <iant@google.com>
6091         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
6093 2017-01-03  Martin Sebor  <msebor@redhat.com>
6095         PR tree-optimization/78696
6096         * gimple-ssa-sprintf.c (format_floating): Correct handling of
6097         precision.  Use MPFR for %f for greater fidelity.  Correct handling
6098         of %g.
6099         (pass_sprintf_length::compute_format_length): Set width and precision
6100         specified by asrerisk to void_node for vararg functions.
6101         (try_substitute_return_value): Adjust dump output.
6103 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
6105         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
6107 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
6109         * doc/invoke.texi (SPARC options): Document -mlra as the default.
6110         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
6111         -mlra/-mno-lra was passed to the compiler.
6113 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
6115         PR rtl-optimization/65618
6116         * emit-rtl.c (try_split): Move initialization of "before" and
6117         "after" to just before the call to emit_insn_after_setloc.
6119 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
6121         * doc/md.texi (Standard Names): Remove reference to Java frontend.
6123 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6125         * dwarf2out.c (gen_enumeration_type_die): When
6126         -gno-strict-dwarf, add a DW_AT_encoding attribute.
6128 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
6130         PR tree-optimization/78965
6131         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
6132         Change first argument from const call_info & to call_info &.  For %n
6133         set info.nowrite to false.
6135         PR middle-end/78901
6136         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
6137         possibly throwing calls.
6139         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
6140         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
6141         and fns handling, rather than in a separate case SSA_NAME.
6143 2017-01-02  Jeff Law  <law@redhat.com>
6145         * config/darwin-driver.c (darwin_driver_init): Const-correctness
6146         fixes for first_period and second_period variables.
6148 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
6150         PR target/78967
6151         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
6152         (*insvqi_1): New insn pattern.
6153         (*insvqi_1_mem_rex64): Ditto.
6154         (*insvqi_2): Ditto.
6155         (*insvqi_3): Rename from *insvqi.
6157         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
6159 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
6161         * doc/cfg.texi (Edges): Remove reference to Java.
6162         (Maintaining the CFG): Ditto.
6164 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
6166         PR middle-end/77674
6167         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
6168         transparent aliases.
6170 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
6172         PR middle-end/77484
6173         * predict.def (PRED_CALL): Update hitrate.
6174         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
6175         * predict.c (tree_estimate_probability_bb): Split CALL predictor
6176         into direct/indirect/polymorphic variants.
6178 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
6180         Update copyright years.
6182         * gcc.c (process_command): Update copyright notice dates.
6183         * gcov-dump.c (print_version): Ditto.
6184         * gcov.c (print_version): Ditto.
6185         * gcov-tool.c (print_version): Ditto.
6186         * gengtype.c (create_file): Ditto.
6187         * doc/cpp.texi: Bump @copying's copyright year.
6188         * doc/cppinternals.texi: Ditto.
6189         * doc/gcc.texi: Ditto.
6190         * doc/gccint.texi: Ditto.
6191         * doc/gcov.texi: Ditto.
6192         * doc/install.texi: Ditto.
6193         * doc/invoke.texi: Ditto.
6195 Copyright (C) 2017 Free Software Foundation, Inc.
6197 Copying and distribution of this file, with or without modification,
6198 are permitted in any medium without royalty provided the copyright
6199 notice and this notice are preserved.