stabilize store merging
[official-gcc.git] / gcc / ChangeLog
blobd0ed5ce3c57b19fe6f1e70c68330ed8a510dbc62
1 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
3         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
4         Add linked-list forward and backlinks.  Insert on
5         construction, remove on destruction.
6         (class pass_store_merging): Add m_stores_head field.
7         (pass_store_merging::terminate_and_process_all_chains):
8         Iterate over m_stores_head list.
9         (pass_store_merging::terminate_all_aliasing_chains):
10         Likewise.
11         (pass_store_merging::execute): Check for debug stmts first.
12         Push new chains onto the m_stores_head stack.
14 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
16         PR target/71294
17         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
18         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
19         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
21 2017-03-16  Jeff Law  <law@redhat.com>
23         PR tree-optimization/71437
24         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
25         member function.  Implementation moved into after_dom_children
26         member function and into the threader's thread_outgoing_edges
27         function.
28         (dom_opt_dom_walker::after_dom_children): Simplify by moving
29         some code into new thread_outgoing_edges.
30         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
31         definition.  Simplify marker handling (do it here).   Assume we always
32         have the available expression and the const/copies tables.
33         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
34         and tree-vrp.c
35         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
36         * tree-vrp.c (equiv_stack): No longer file scoped.
37         (vrp_dom_walker): New class.
38         (vrp_dom_walker::before_dom_children): New member function.
39         (vrp_dom_walker::after_dom_children): Likewise.
40         (identify_jump_threads):  Setup domwalker.  Use it rather than
41         walking edges in a random order by hand.  Simplify setup/finalization.
42         (finalize_jump_threads): Remove.
43         (vrp_finalize): Do not call identify_jump_threads here.
44         (execute_vrp): Do it here instead and call thread_through_all_blocks
45         here too.
47         PR tree-optimization/71437
48         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
49         callers changed.
50         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
51         callers changed.
52         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
53         (dom_opt_dom_walker::thread_across_edge): Remove
54         handle_dominating_asserts argument.  All callers changed.
55         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
56         changes.  Remove calls to lhs_of_dominating_assert.  Other
57         uses of handle_dominating_asserts turn into unconditional code
58         (simplify_control_stmt_condition_1): Likewise.
59         (simplify_control_stmt_condition): Likewise.
60         (thread_through_normal_block, thread_across_edge): Likewise.
61         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
62         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
63         object if it is not an SSA_NAME.
64         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
65         before calling into the VRP specific simplifiers.
66         (identify_jump_threads): Remove handle_dominating_asserts
67         argument.
69 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
71         PR fortran/79886
72         * tree-diagnostic.c (default_tree_printer): No longer static.
73         * tree-diagnostic.h (default_tree_printer): New prototype.
75 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
77         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
78         Change ins into fmov.
80 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
82         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
83         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
84         Use h_con constraint for operand 1.
85         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
86         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
88 2017-03-15  Jeff Law  <law@redhat.com>
90         PR tree-optimization/71437
91         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
92         (record_temporary_equivalences): Use it.
94         PR tree-optimization/71437
95         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
96         tree-ssa-scopedtables.
97         (lookup_avail_expr, build_and_record_new_cond): Likewise.
98         (record_conditions, record_cond, vuse_eq): Likewise.
99         (record_edge_info): Adjust to API tweak of record_conditions.
100         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
101         (record_temporary_equivalences, optimize_stmt): Likewise.
102         (eliminate_redundant_computations): Likewise.
103         (record_equivalences_from_stmt): Likewise.
104         * tree-ssa-scopedtables.c: Include options.h and params.h.
105         (vuse_eq): New function, moved from tree-ssa-dom.c
106         (build_and_record_new_cond): Likewise.
107         (record_conditions): Likewise.  Accept vector of conditions rather
108         than edge_equivalence structure for first argument.
109         for the first argument.
110         (avail_exprs_stack::lookup_avail_expr): New member function, moved
111         from tree-ssa-dom.c.
112         (avail_exprs_stack::record_cond): Likewise.
113         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
114         from tree-ssa-dom.c.
115         (avail_exprs_stack): Add new member functions lookup_avail_expr
116         and record_cond.
117         (record_conditions): Declare.
119 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
121         PR target/80017
122         * lra-constraints.c (process_alt_operands): Increase reject for
123         reloading an input/output operand.
125 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
127         PR target/79038
128         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
129         insns to convert from signed/unsigned char/short to IEEE 128-bit
130         floating point.
131         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
133 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
135         PR target/80019
136         * config/i386/i386.c (ix86_vector_duplicate_value): Create
137         subreg of inner mode for values already in registers.
139 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
141         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
142         iteration reg is used after the loop.
144 2017-03-14  Martin Sebor  <msebor@redhat.com>
146         PR tree-optimization/79800
147         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
148         precision in negative-positive range.
149         (format_floating): Call non-const overload with adjusted precision.
151 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
153         PR target/79947
154         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
155         -mpowerpc-gfxopt.
157 2017-03-14  Martin Sebor  <msebor@redhat.com>
159         PR middle-end/80020
160         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
161         * builtins.def (aligned_alloc): Use it.
163         PR c/79936
164         * Makefile.in (GTFILES): Add calls.c.
165         * calls.c: Include "gt-calls.h".
167 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
169         PR rtl-optimization/79728
170         * regs.h (struct target_regs): New field
171         x_contains_allocatable_regs_of_mode.
172         (contains_allocatable_regs_of_mode): New macro.
173         * reginfo.c (init_reg_sets_1): Initialize it, and change
174         contains_reg_of_mode so it includes global regs as well.
175         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
176         rather than contains_regs_of_mode.
178 2017-03-14  Martin Liska  <mliska@suse.cz>
180         * doc/invoke.texi: Document options that can't be combined with
181         -fcheck-pointer-bounds.
183 2017-03-14  Martin Liska  <mliska@suse.cz>
185         PR middle-end/79831
186         * doc/invoke.texi (-Wchkp): Document the option.
188 2017-03-14  Martin Liska  <mliska@suse.cz>
190         * Makefile.in: Install gcov-dump.
192 2017-03-14  Martin Liska  <mliska@suse.cz>
194         * multiple_target.c (expand_target_clones): Bail out for
195         an invalid attribute.
197 2017-03-14  Richard Biener  <rguenther@suse.de>
199         * alias.c (struct alias_set_entry): Pack properly.
200         * cfgloop.h (struct loop): Likewise.
201         * cse.c (struct set): Likewise.
202         * ipa-utils.c (struct searchc_env): Likewise.
203         * loop-invariant.c (struct invariant): Likewise.
204         * lra-remat.c (struct cand): Likewise.
205         * recog.c (struct change_t): Likewise.
206         * rtl.h (struct address_info): Likewise.
207         * symbol-summary.h (function_summary): Likewise.
208         * tree-loop-distribution.c (struct partition): Likewise.
209         * tree-object-size.c (struct object_size_info): Likewise.
210         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
211         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
212         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
213         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
214         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
215         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
216         (struct _stmt_vec_info): Likewise.
218 2017-03-14  Martin Liska  <mliska@suse.cz>
220         PR target/79892
221         * multiple_target.c (create_dispatcher_calls): Check that
222         a target can create a function dispatcher.
224 2017-03-14  Martin Liska  <mliska@suse.cz>
226         PR lto/66295
227         * multiple_target.c (expand_target_clones): Drop local.local
228         flag for default implementation.
230 2017-03-14  Richard Biener  <rguenther@suse.de>
232         PR tree-optimization/80030
233         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
235 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
237         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
238         gcc_fallthrough() instead of __attribute__((fallthrough));
240 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
242         * doc/gcc.texi: Remove "up" link to (DIR).
243         * doc/gccint.texi: Ditto.
245 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
246         
247         * doc/install.texi (Specific) <avr>: Remove reference to
248         binutils 2.13.
250 2017-03-13  Jeff Law  <law@redhat.com>
252         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
253         attribute rather than comments.
255         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
256         match_scratch operand is highest.
258 2017-03-13  Martin Liska  <mliska@suse.cz>
260         PR middle-end/78339
261         * ipa-pure-const.c (warn_function_noreturn): If the declarations
262         is a CHKP clone, use original declaration.
264 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
266         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
267         (arc_conditional_register_usage): Use a different allocation order
268         when optimizing for size.
269         * common/config/arc/arc-common.c (arc_option_optimization_table):
270         Section anchors default on when optimizing for size.
272 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
274         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
276 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
278         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
279         * config/arc/arc.md (cpu_facility): Add cd variant.
280         (*movqi_insn): Add code density variant.
281         (*movhi_insn): Likewise.
282         (*movqi_insn): Likewise.
283         (*addsi3_mixed): Likewise.
284         (subsi3_insn): Likewise.
286 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
288         * config/arc/arc.md (movsi_cond_exec): Update constraint.
290 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
292         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
293         expressions with MINUS and UNARY ops.
295 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
297         PR target/79911
298         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
299         Rename to...
300         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
301         between vec_select and vector argument.
302         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
303         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
304         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
305         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
306         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
307         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
309 2017-03-13  Richard Biener  <rguenther@suse.de>
311         PR other/79991
312         * params.def (vect-max-peeling-for-alignment): Fix typo.
314 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
316         * doc/install.texi (Specific) <mips-*-*>: Remove description of
317         issue that only occurred with binutils below 2.18.
318         
319 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
321         * doc/install.texi (Specific) <cris-axis-elf>: No longer
322         refer to binutils 2.11/2.12 minimum.
324 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
326         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
327         ftp.kernel.org and simplify binutils requirement.
329 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
331         * doc/invoke.texi (Warning Options): Fix spelling of link-time
332         optimization.
333         (Optimize Options): Ditto.  Also remove redundancy.
335 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
337         PR translation/79848
338         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
339         "%qs".
340         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
341         to G_ to avoid double translation.
343 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
345         PR translation/79923
346         * auto-profile.c (get_combined_location): Convert leading
347         character of diagnostics to lower case and remove trailing period.
348         (read_profile): Likewise for various diagnostics.
349         * config/arm/arm.c (arm_option_override): Remove trailing period
350         from various diagnostics.
351         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
352         (msp430_expand_delay_cycles): Likewise.
354 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
356         PR target/79925
357         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
358         full command-line argument, rather than just "str".
359         (aarch64_validate_march): Likewise.
360         (aarch64_validate_mtune): Likewise.
362 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
364         PR rtl-optimization/78911
365         * lra-assigns.c (must_not_spill_p): New function.
366         (spill_for): Use it.
368 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
370         PR tree-optimization/79981
371         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
372         ATOMIC_COMPARE_EXCHANGE ifn result.
373         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
374         IFN_ATOMIC_COMPARE_EXCHANGE.
376 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
378         PR driver/79875
379         * opts.c (parse_sanitizer_options): Add missing question mark to
380         "did you mean" message.
382 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
384         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
385         built-in.
386         (VMULEUH_UNS): Likewise.
387         (VMULOUB_UNS): Likewise.
388         (VMULOUH_UNS): Likewise.
389         * config/rs6000/rs6000.c (builtin_function_type): Remove
390         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
392 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
394         PR bootstrap/79952
395         * read-rtl-function.c (function_reader::read_rtx_operand): Update
396         x with result of extra_parsing_for_operand_code_0.
397         (function_reader::extra_parsing_for_operand_code_0): Convert
398         return type from void to rtx, returning x.  When reading
399         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
400         larger size containing struct block_symbol.
402 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
404         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
405         -mfloat128-hardware without -m64.
407 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
409         PR target/79941
410         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
411         entries to the case statement that marks unsigned arguments to
412         overloaded functions.
414 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
416         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
417         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
419 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
421         PR target/79907
422         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
423         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
425 2017-03-10  Martin Liska  <mliska@suse.cz>
427         PR target/65705
428         PR target/69804
429         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
430         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
431         FIELD != NULL.
433 2017-03-10  Olivier Hainque  <hainque@adacore.com>
435         * tree-switch-conversion (array_value_type): Start by resetting
436         candidate type to it's main variant.
438 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
440         PR rtl-optimization/79909
441         * combine.c (try_combine): Use simplify_replace_rtx on individual
442         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
443         of the whole CALL_INSN_FUNCTION_USAGE.
445         PR tree-optimization/79972
446         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
447         get_range_info on SSA_NAMEs.  Formatting fixes.
449 2017-03-10  Richard Biener  <rguenther@suse.de>
450             Jakub Jelinek  <jakub@redhat.com>
452         PR tree-optimization/77975
453         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
454         edge to be constant.
455         (get_val_for): For constant x return it.  Formatting fix.
456         (loop_niter_by_eval): Avoid pointless looping if the next iteration
457         would use the same bases as the current one.
459 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
461         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
462         instead of vec_select for V1TImode.
463         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
464         longer needed.
465         (VSX_LE_128): Add V1TI to this mode iterator.
466         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
467         (*vsx_le_perm_store_<mode>): Likewise.
468         (pre-reload splitter for VSX stores): Likewise.
469         (post-reload splitter for VSX stores): Likewise.
470         (*vsx_xxpermdi2_le_<mode>): Likewise.
471         (*vsx_lxvd2x2_le_<mode>): Likewise.
472         (*vsx_stxvd2x2_le_<mode>): Likewise.
474 2017-03-09  Michael Eager  <eager@eagercon.com>
476         Correct failures with --enable-checking=yes,rtl.
478         * config/microblaze/microblaze.c (microblaze_expand_shift):
479         Replace GET_CODE test with CONST_INT_P and INTVAL test with
480         test for const0_rtx.
481         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
482         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
484 2017-03-09  Richard Biener  <rguenther@suse.de>
486         PR tree-optimization/79977
487         * graphite-scop-detection.c (scop_detection::merge_sese):
488         Handle the case of extra exits to blocks dominating the entry.
490 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
492         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
493         Document rdynamic.
495 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
497         PR rtl-optimization/79949
498         * lra-constraints.c (process_alt_operands): Check memory when
499         trying to predict a cycle.  Print about the overall increase.
501 2017-03-09  Richard Biener  <rguenther@suse.de>
503         PR middle-end/79971
504         * gimple-expr.c (useless_type_conversion_p): Preserve
505         TYPE_SATURATING for fixed-point types.
507 2017-03-09  Richard Biener  <rguenther@suse.de>
509         PR ipa/79970
510         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
511         alignment of BLKmode params.
513 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
515         PR target/79913
516         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
517         (VALL_NO_V2Q): Likewise.
518         (VDQF_DF): Delete.
519         * config/aarch64/aarch64-simd.md
520         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
521         iterator.
522         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
523         VALL_NO_V2Q mode iterator.
524         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
526 2017-03-09  Martin Liska  <mliska@suse.cz>
528         PR tree-optimization/79631
529         * tree-chkp-opt.c (chkp_is_constant_addr): Call
530         tree_int_cst_sign_bit just for INTEGER constants.
532 2017-03-09  Martin Liska  <mliska@suse.cz>
534         PR target/65705
535         PR target/69804
536         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
537         sanitizers.
539 2017-03-09  Marek Polacek  <polacek@redhat.com>
541         PR c++/79672
542         * tree.c (inchash::add_expr): Handle TREE_VEC.
544 2017-03-09  Martin Liska  <mliska@suse.cz>
546         PR ipa/79764
547         (chkp_narrow_size_and_offset): New function.
548         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
549         (void chkp_parse_bit_field_ref): New function.
550         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
551         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
553 2017-03-09  Martin Liska  <mliska@suse.cz>
555         PR ipa/79761
556         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
557         (chkp_find_bounds_1): Remove gcc_unreachable.
559 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
561         PR sanitizer/79944
562         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
563         BUILT_IN_SYNC*, determine the access type from the size suffix and
564         always build a MEM_REF with that type.  Handle forgotten
565         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
567         PR target/79932
568         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
569         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
570         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
571         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
572         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
573         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
574         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
575         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
576         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
577         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
578         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
579         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
580         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
581         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
582         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
583         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
584         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
585         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
586         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
587         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
588         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
589         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
590         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
591         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
592         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
593         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
594         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
595         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
596         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
597         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
598         definitions outside of __OPTIMIZE__ guarded section.
600         PR target/79932
601         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
602         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
603         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
604         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
605         guarded section.
607 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
609         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
610         ("vfenez<mode>"): Add missing constraints.
612 2017-03-08  Martin Sebor  <msebor@redhat.com>
614         PR target/79928
615         * config/nds32/nds32.c (nds32_option_override): 
617 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
619         PR c/79940
620         * gimplify.c (gimplify_omp_for): Replace index var in outer
621         taskloop statement with an artificial variable and add
622         OMP_CLAUSE_PRIVATE clause for it.
624 2017-03-08  Richard Biener  <rguenther@suse.de>
626         PR tree-optimization/79955
627         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
628         for accesses that are completely outside of the variable.
630 2017-03-08  Andrew Haley  <aph@redhat.com>
632         PR tree-optimization/79943
633         * tree-ssa-loop-split.c (compute_new_first_bound): When
634         calculating the new upper bound, (END-BEG) should be added, not
635         subtracted.
637 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
639         * config/avr/avr.md (setmemhi): Make sure match_dup
640         operand number comes before match_scratch.
642 2017-03-08  Richard Biener  <rguenther@suse.de>
644         PR tree-optimization/79920
645         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
646         with ncopies == 1 to ...
647         (vect_transform_slp_perm_load): ... here.  Properly compute
648         all element loads by iterating VF times over the group.  Do
649         not handle ncopies (computed in a broken way) in
650         vect_create_mask_and_perm.
652 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
654         PR sanitizer/79904
655         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
656         is a uniform vector, use uniform_vector_p return value instead of
657         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
659 2017-03-07  Marek Polacek  <polacek@redhat.com>
661         PR middle-end/79809
662         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
663         (alloca_call_type): Likewise.
665 2017-03-07  Martin Liska  <mliska@suse.cz>
667         * gcov.c (process_args): Put comment to correct location.
669 2017-03-07  Martin Liska  <mliska@suse.cz>
671         PR middle-end/68270
672         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
673         Use array_at_struct_end_p instead of DECL_CHAIN (field).
674         (chkp_narrow_bounds_for_field): Likewise.
675         (chkp_parse_array_and_component_ref): Pass one more argument to
676         call.
678 2017-03-07  Richard Biener  <rguenther@suse.de>
680         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
681         preheaders.
683 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
685         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
686         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
688 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
690         PR c/79855
691         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
692         to end of description.
693         (PARAM_MAX_STORES_TO_MERGE): Likewise.
695 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
697         PR rtl-optimization/79901
698         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
699         ...
700         (*avx512f_<code><mode>3<mask_name>): ... this.
701         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
702         iterator instead of VI8_AVX2_AVX512BW.
704         PR rtl-optimization/79901
705         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
706         min/max expander, expand it using expand_vec_cond_expr.
708         PR sanitizer/79897
709         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
710         temporary.
712 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
714         PR c++/79821
715         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
716         to void * for PCH reasons.
717         * dwarf2out.c (output_loc_operands, output_die): Cast
718         v.val_vec.array to unsigned char *.
720 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
722         PR target/77850
723         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
724         vector types.
726 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
728         PR rtl-optimization/79571
729         * lra-constraints.c (process_alt_operands): Calculate static
730         reject and subtract it from overall when only addresses will be
731         reloaded.
733 2017-03-06  Julia Koval  <julia.koval@intel.com>
735         PR target/79793
736         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
737         incoming stack boundary to 128 for 64-bit targets.
739 2017-03-06  Richard Biener  <rguenther@suse.de>
741         PR tree-optimization/79894
742         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
743         to NULL after folding it.
745 2017-03-06  Richard Biener  <rguenther@suse.de>
747         PR tree-optimization/79824
748         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
749         check disabling peeling for gaps.
751 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
753         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
754         attributes): Document gettimeofday.
756 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
758         * config/s390/s390.c (s390_option_override_internal): Set
759         PARAM_MIN_VECT_LOOP_BOUND
761 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
763         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
764         * config/s390/s390.md: Likewise.
766 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
768         PR target/79812
769         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
770         (<avx2_avx512>_perm<mode>): Rename to ...
771         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
772         of VI8F_256_512.
773         (<avx512>_perm<mode>_mask): Rename to ...
774         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
775         of VI8F_256_512.
776         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
777         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
778         instead of VI8F_256_512.
779         (avx512f_perm<mode>): New define_expand.
780         (avx512f_perm<mode>_mask): Likewise.
781         (avx512f_perm<mode>_1<mask_name>): New define_insn.
782         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
784 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
786         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
787         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
788         if_then_else.
789         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
791 2017-03-06  Martin Liska  <mliska@suse.cz>
793         PR sanitize/79783
794         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
795         when having a SSA NAME w/o VAR_DECL assigned to it.
797 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
799         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
800         msa_dpsub_<su>_d): Fix MODE for vec_select.
802 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
804         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
805         argument.
806         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
808 2017-03-06  Richard Biener  <rguenther@suse.de>
810         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
811         * plugin.c (register_plugin_info): Likewise.
812         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
814 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
816         * config/i386/sse.md (sse_storehps, sse_storelps,
817         avx_<castmode><avxsizesuffix>_<castmode>,
818         avx512f_<castmode><avxsizesuffix>_<castmode>,
819         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
820         in condition that at least one operand is not a MEM.
822 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
824         PR middle-end/79805
825         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
826         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
827         ECF_NOTHROW.
828         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
829         gimple_call_nothrow_p flag based on whether original builtin can throw.
830         If it can, emit following stmts on the fallthrough edge.
831         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
832         don't create new bb if inserting just debug stmts on the edge, try to
833         insert them on the fallthru bb or just reset debug stmts.
835 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
837         PR target/43763
838         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
839         restore recog_data (including the operand rtxes inside it) around
840         the call to get_insn_template.
842 2017-03-03  Martin Sebor  <msebor@redhat.com>
844         PR tree-optimization/79699
845         * context.c (context::~context): Free MPFR caches to avoid
846         a memory leak on program exit.
848 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
850         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
851         Use wide_int::ulow () instead of .elt (0).
853 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
855         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
856         (*pushxf): Limit oF constraint to 32bit targets and add oC
857         constraint for 64bit targets.
858         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
859         (*pushdf): Change rmF constraint to rmC.
861 2017-03-03  Martin Liska  <mliska@suse.cz>
863         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
864         Remove unused variable.
866 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
868         PR target/79807
869         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
870         is a memory operand, increase num_memory.
871         (ix86_expand_args_builtin): Likewise.
873 2017-03-03  Jan Hubicka  <jh@suse.cz>
875         PR lto/79760
876         * ipa-devirt.c (maybe_record_node): Properly handle
877         __cxa_pure_virtual visibility.
879 2017-03-03  Martin Liska  <mliska@suse.cz>
881         PR tree-optimization/79803
882         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
883         assert.
884         (pass_loop_prefetch::execute): Disabled optimization if an
885         assumption about L1 cache size is not met.
887 2017-03-03  Martin Liska  <mliska@suse.cz>
889         PR rtl-optimization/79574
890         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
891         (hash_scan_set): Likewise.
892         (dump_hash_table): Likewise.
893         (hoist_code): Likewise.
895 2017-03-03  Richard Biener  <rguenther@suse.de>
897         * fixed-value.c (fixed_from_string): Restore use of elt (1)
898         in place of uhigh ().
899         (fixed_convert_from_real): Likewise.
901 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
903         PR target/79514
904         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
906 2017-03-03  Richard Biener  <rguenther@suse.de>
908         PR middle-end/79818
909         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
910         TYPE_OVERFLOW_UNDEFINED check.
912 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
914         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
915         numbers.
916         (vector_ae_<mode>_p): Likewise.
917         (vector_nez_<mode>_p): Likewise.
918         (vector_ne_v2di_p): Likewise.
919         (vector_ae_v2di_p): Likewise.
920         (vector_ne_<mode>_p): Likewise.
921         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
922         numbers.
923         (vsx_tsqrt<mode>2_fe): Likewise.
925 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
927         PR target/79514
928         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
930 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
932         PR rtl-optimization/79780
933         * cprop.c (one_cprop_pass): When second and further conditional trap
934         in a single basic block is turned into an unconditional trap, turn it
935         into a deleted note to avoid RTL verification failures.
937 2017-03-02  Richard Biener  <rguenther@suse.de>
939         * fold-const.c (const_binop): Use ulow () instead of elt (0).
941 2017-03-02  Richard Biener  <rguenther@suse.de>
943         PR tree-optimization/79345
944         PR c++/42000
945         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
946         param and abort the walk, returning -1 if it is hit.
947         (walk_aliased_vdefs): Take a limit param and pass it on.
948         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
949         defaulting to 0 and return a signed int.
950         * tree-ssa-uninit.c (struct check_defs_data): New struct.
951         (check_defs): New helper.
952         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
953         about uninitialized memory.
954         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
955         bogus uninitialized warning.
956         (fixed_convert_from_real): Likewise.
958 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
960         PR tree-optimization/66768
961         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
962         iv_use if base object can't be determined.
964 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
966         PR tree-optimization/79345
967         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
968         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
969         (get_pattern_stats): Initialize it.
970         * genemit.c (gen_expand): Verify match_scratch numbers come after
971         match_operand/match_dup numbers.
972         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
973         match_scratch numbers.
974         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
975         Likewise.
976         * config/s390/s390.md (trunctdsd2): Likewise.
978 2017-03-02  Richard Biener  <rguenther@suse.de>
980         * wide-int.h (wide_int_storage::operator=): Implement in terms
981         of wi::copy.
983 2017-03-02  Richard Biener  <rguenther@suse.de>
985         PR tree-optimization/79777
986         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
987         the to insert expression to sth existing.
989 2017-03-01  Martin Sebor  <msebor@redhat.com>
991         PR middle-end/79692
992         * gimple-ssa-sprintf.c
993         (directive::known_width_and_precision): New function.
994         (format_integer): Use it.
995         (get_mpfr_format_length): Consider the full range of precision
996         when computing %g output with the # flag.  Set the likely byte
997         count to 3 rather than 1 when precision is indeterminate.
998         (format_floating): Correct the lower bound of precision.
1000 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1002         * doc/invoke.texi: Document default code model for 64-bit Linux.
1004 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1006         PR target/79752
1007         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
1008         udiv rather than div since input pattern is unsigned.
1010 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
1012         * config/i386/i386.c (print_reg): Warn for values of
1013         unsupported size in integer register.
1015 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1017         PR target/79439
1018         * config/rs6000/predicates.md (current_file_function_operand): Do
1019         not allow self calls to be local if the function is replaceable.
1021 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1023         PR target/79395
1024         * config/rs6000/altivec.h (vec_ctz and others): Change the
1025         preprocessor macro that controls conditional compilation from
1026         _ARCH_PWR9 to __POWER9_VECTOR__.
1027         (vec_all_ne): Change parameterization of __altivec_scalar_pred
1028         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
1029         control (instead of _ARCH_PWR9 control) so that template
1030         definition uses power9-specific function.
1031         (vec_any_eq): Likewise.
1032         (vec_all_ne): Change macro definition to use a power9-specific
1033         expansion under #ifdef __POWER9_VECTOR__ control (instead of
1034         _ARCH_PWR9 control).
1035         (vec_any_eq) Likewise.
1036         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
1037         expansion for CMPNEF to remove support for xvcmpnesp instruction.
1038         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
1039         support for xvcmpnedp instruction.
1040         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
1041         macro expansion so that Power9 implementation of vec_all_ne does
1042         not use the AltiVec predicate framework.
1043         (VCMPNEH_P): Likewise.
1044         (VCMPNEW_P): Likewise.
1045         (VCMPNED_P): Likewise.
1046         (VCMPNEFP_P): Likewise.
1047         (VCMPNEDP_P): Likewise.
1048         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
1049         implementation of vec_any_eq to not use AltiVec predicate
1050         framework.
1051         (VCMPAEH_P): Likewise.
1052         (VCMPAEW_P): Likewise.
1053         (VCMPAED_P): Likewise.
1054         (VCMPAEFP_P): Likewise.
1055         (VCMPAEDP_P): Likewise.
1056         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
1057         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
1058         not use the AltiVec predicate framework.
1059         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
1060         of vec_any_eq to not use AltiVec predicate framework.
1061         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
1062         support for predefined __POWER9_VECTOR__ macro to indicate that
1063         Power9 instruction selection is enabled.
1064         (altivec_overloaded_builtins): Remove extraneous
1065         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
1066         function argument types RS6000_BTI_bool_V16QI and
1067         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
1068         entry for overloaded function argument types RS6000_BTI_bool_V4SI
1069         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
1070         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
1071         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
1072         Power9 for implementations of vec_cmpne.  Change the signature for
1073         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
1074         (representing vec_all_ne) to remove the previously described first
1075         argument of type RS6000_BTI_INTSI, as this was an artifact of
1076         reliance on the AltiVec predicate framework, which is no longer
1077         used in the implementation of these functions.  Add
1078         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
1079         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
1080         since, unlike the AltiVec predicate framework implementation, we
1081         do not share function descriptors between vec_alle and vec_anyeq.
1082         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
1083         set of modes that receive special treatment even when
1084         TARGET_P9_VECTOR is true.  The special treatment emits code that
1085         does not depend on Power9 instructions.
1086         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
1087         define_expand to not rely on AltiVec predicate framework.
1088         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
1089         function.
1090         (vector_ne_v2di_p): Change this define_expand to not rely on
1091         AltiVec predicate framework.
1092         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
1093         function.
1094         (vector_ne_<mode>_p): Change this define_expand to not rely on
1095         AltiVec predicate framework.
1096         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
1097         function.
1098         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
1099         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
1100         define_insn pattern.
1101         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
1102         define_insn pattern because the xvcmpne<VSs>. instruction is not
1103         supported.
1104         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
1105         instruction is not supported.
1107 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
1109         * config/nvptx/nvptx.c: Include intl.h.
1111 2017-03-01  Martin Jambor  <mjambor@suse.cz>
1113         PR lto/78140
1114         * ipa-prop.h (ipa_bits): Removed field known.
1115         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
1116         to pointers.  Adjusted their comments to warn about their sharing.
1117         (ipcp_transformation_summary): Change bits to a vector of pointers.
1118         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
1119         (ipa_get_ipa_bits_for_value): Declare.
1120         * tree-vrp.h (value_range): Mark as GTY((for_user)).
1121         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
1122         (ipa_bits_hash_table): Likewise.
1123         (ipa_vr_ggc_hash_traits): Likewise.
1124         (ipa_vr_hash_table): Likewise.
1125         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
1126         being pointers and vr_known being removed.
1127         (ipa_set_jf_unknown): Likewise.
1128         (ipa_get_ipa_bits_for_value): New function.
1129         (ipa_set_jfunc_bits): Likewise.
1130         (ipa_get_value_range): New overloaded functions.
1131         (ipa_set_jfunc_vr): Likewise.
1132         (ipa_compute_jump_functions_for_edge): Use the above functions to
1133         construct bits and vr parts of jump functions.
1134         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
1135         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
1136         exist.
1137         (ipcp_grow_transformations_if_necessary): Also allocate
1138         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
1139         exist.
1140         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
1141         them.  Fix too long lines.
1142         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
1143         vr_known being removed.
1144         (ipa_read_jump_function): Use new setter functions to construct bits
1145         and vr parts of jump functions or set them to NULL.
1146         (write_ipcp_transformation_info): Adjust for bits being pointers.
1147         (read_ipcp_transformation_info): Likewise.
1148         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
1149         space.
1150         Include gt-ipa-prop.h.
1151         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
1152         being pointers.
1153         (ipcp_store_bits_results): Likewise.
1154         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
1155         Do not write to existing jump functions but use a temporary instead.
1157 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
1159         PR c++/79681
1160         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
1161         attempt to use its first operand as BIT_FIELD_REF base.
1163 2017-03-01  Richard Biener  <rguenther@suse.de>
1165         PR middle-end/79721
1166         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
1167         interpolating formula in wrapping arithmetic.
1168         (chrec_apply): Convert chrec_evaluate return value to wanted type.
1170 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
1172         PR tree-optimization/79734
1173         * tree-vect-generic.c (expand_vector_condition): Optimize
1174         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
1175         Handle VEC_COND_EXPR where comparison has different inner width from
1176         type's inner width.
1178 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
1180         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
1181         markup, and similar issues.  Remove @opindex entries for things
1182         that aren't options.  Add missing -mmpy-option entries.
1184 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
1186         PR tree-optimization/79737
1187         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
1188         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
1189         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
1190         instead of byte_size.  Formatting fix.
1191         (shift_bytes_in_array_right): Formatting fix.
1193 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
1195         PR target/79749
1196         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
1197         condition on optimize for the leaf function test.
1199 2017-02-28  Martin Liska  <mliska@suse.cz>
1201         PR lto/79625
1202         * read-rtl-function.c (function_reader::handle_unknown_directive):
1203         Bail out when one uses -flto.
1205 2017-02-28  Martin Liska  <mliska@suse.cz>
1207         * common.opt: Replace space with tabular for options of <number>
1208         type.
1209         * config/i386/i386.opt: Show <number> value for
1210         -mlarge-data-threshold.
1211         * opts.c (print_filtered_help): Do not display number in hexadecimal
1212         format.
1214 2017-02-28  Martin Liska  <mliska@suse.cz>
1216         * common.opt: Fix --help=option -Q for options which are of
1217         an enum type.
1219 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
1221         * config/i386/i386.c (print_reg): Error out for values
1222         of 8-bit size in invalid integer register.
1224 2017-02-28  Martin Sebor  <msebor@redhat.com>
1226         PR tree-optimization/79691
1227         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
1229 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
1231         PR target/79729
1232         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
1233         gcc_unreachable with output_operand_lossage.
1235 2017-02-28  Richard Biener  <rguenther@suse.de>
1237         PR tree-optimization/79740
1238         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
1239         inserts.
1240         (visit_nary_op): Insert the nary into the hashtable if we
1241         pattern-matched sth.
1242         * tree-ssa-pre.c (eliminate_insert): Robustify.
1244 2017-02-28  Richard Biener  <rguenther@suse.de>
1246         PR middle-end/79731
1247         * fold-const.c (decode_field_reference): Reject out-of-bound
1248         accesses.
1250 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
1252         * config/i386/i386.c: Include intl.h.
1253         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
1254         instead of just cond ? "..." : "...".
1255         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
1256         * coverage.c (read_counts_file): Likewise.
1257         * omp-offload.c: Include intl.h.
1258         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
1259         of just cond ? "..." : "...".
1260         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
1261         of just cond ? "..." : "...".
1263 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
1265         PR target/79742
1266         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
1267         entry, if present.
1268         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
1269         'tune for' CPU name.
1270         * config/arm/arm-cpu-data.h: Regenerated.
1272 2017-02-28  Richard Biener  <rguenther@suse.de>
1274         PR tree-optimization/79732
1275         * tree-inline.c (expand_call_inline): Do not shadow var.
1277 2017-02-28  Richard Biener  <rguenther@suse.de>
1279         PR tree-optimization/79723
1280         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
1281         address-space properly.
1283 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
1285         * doc/optinfo.texi (Optimization groups): Fix option used for
1286         OPTGROUP_ALL.
1287         * doc/invoke.texi (-fopt-info): Document "omp".
1288         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
1289         (OPTGROUP_ALL): Add OPTGROUP_OMP.
1290         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
1291         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
1292         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
1294         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
1295         all users.
1296         * dumpfile.c (optgroup_options): Instead of "openmp", associate
1297         OPTGROUP_OMP with "omp".
1299 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
1301         PR target/79544
1302         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
1303         for arithmetic shift of unsigned V2DI.
1305 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
1307         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
1308         arc/linux.h headers.
1309         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
1310         (LINK_SPEC): Likewise.
1311         (ARC_TLS_EXTRA_START_SPEC): Likewise.
1312         (EXTRA_SPECS): Likewise.
1313         (STARTFILE_SPEC): Likewise.
1314         (ENDFILE_SPEC): Likewise.
1315         (LIB_SPEC): Likewise.
1316         (TARGET_SDATA_DEFAULT): Likewise.
1317         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
1318         (MULTILIB_DEFAULTS): Likewise.
1319         (DWARF2_UNWIND_INFO): Likewise.
1320         * config/arc/big.h: New file.
1321         * config/arc/elf.h: Likewise.
1322         * config/arc/linux.h: Likewise.
1323         * config/arc/t-uClibc: Remove.
1325 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
1327         PR tree-optimization/77536
1328         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
1329         (tree_transform_and_unroll_loop): Use above function to compute the
1330         estimated niter of unrolled loop and use it when scaling profile.
1331         Also use count info rather than frequency if it's non-zero.
1332         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
1333         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
1334         (vect_transform_loop): Call above function.
1336 2017-02-27  Richard Biener  <rguenther@suse.de>
1338         PR tree-optimization/45397
1339         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
1340         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
1341         (visit_nary_op): Add pattern matching for CSEing sign-changed
1342         or truncated operations with wider ones.
1344 2017-02-27  Richard Biener  <rguenther@suse.de>
1346         PR tree-optimization/79690
1347         * tree-vect-stmts.c (vectorizable_store): Use vector type
1348         built from the DR with address-space.
1350 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
1352         * doc/invoke.texi (Optimize Options): Refine the description
1353         of asan-use-after-return.
1355 2017-02-25  Alan Modra  <amodra@gmail.com>
1357         PR rtl-optimization/79584
1358         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
1359         base, not ad->base_term, the reg within base.  Remove assertion
1360         that ad->base == ad->base_term.  Replace gen_int_mode using
1361         bogus mode with const0_rtx.
1363 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
1365         PR middle-end/79396
1366         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
1367         FMA_EXPR like tcc_binary or tcc_unary.
1369         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
1371         PR debug/77589
1372         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
1373         bitfield.
1374         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
1375         (output_loc_operands): Handle DW_OP_call_ref and
1376         DW_OP_GNU_variable_value.
1377         (struct variable_value_struct): New type.
1378         (struct variable_value_hasher): Likewise.
1379         (variable_value_hash): New variable.
1380         (string_types): Remove.
1381         (copy_loc_descr): New function.
1382         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
1383         (prepend_loc_descr_to_each): New function.
1384         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
1385         instead of add_loc_descr_to_each if the first argument is single
1386         location list and the second has multiple.
1387         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
1388         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
1389         when looking for variable value which doesn't have other location info.
1390         (loc_list_from_tree): Formatting fix.
1391         (gen_array_type_die): Simplify DW_AT_string_length handling.
1392         (adjust_string_types): Remove.
1393         (gen_subprogram_die): Don't call adjust_string_types nor test/set
1394         string_types.  Call resolve_variable_values.
1395         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
1396         (resolve_addr_in_expr): Likewise.  Add A argument.
1397         (copy_deref_exprloc): Remove deref argument.  Adjust for the
1398         original expression being DW_OP_GNU_variable_value with optionally
1399         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
1400         optionally after it.
1401         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
1402         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
1403         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
1404         (variable_value_hasher::hash, variable_value_hasher::equal): New
1405         methods.
1406         (resolve_variable_value_in_expr, resolve_variable_value,
1407         resolve_variable_values, note_variable_value_in_expr,
1408         note_variable_value): New functions.
1409         (dwarf2out_early_finish): Call note_variable_value on all toplevel
1410         DIEs.
1412 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
1414         PR c/79677
1415         * opts.h (handle_generated_option): Add GENERATED_P argument.
1416         * opts-common.c (handle_option): Adjust function comment.
1417         (handle_generated_option): Add GENERATED_P argument, pass it to
1418         handle_option.
1419         (control_warning_option): Pass false to handle_generated_option
1420         GENERATED_P.
1421         * opts.c (maybe_default_option): Pass true to handle_generated_option
1422         GENERATED_P.
1423         * optc-gen.awk: Likewise.
1425 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1427         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
1428         a REG, look at the REG it is a SUBREG of.
1429         (splitter for cmpeqsi_t): Ditto.
1431 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1433         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
1434         the special USEs with the pattern of the insn, not the insn itself.
1436 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
1438         PR target/79473
1439         * doc/invoke.texi: Document -mload-store-pairs.
1441 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1442             Sandra Loosemore  <sandra@codesourcery.com>
1444         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
1445         argument isn't a CONST_INT.
1446         (nios2_alternate_compare_const): Assert op is a CONST_INT.
1447         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
1448         (nios2_validate_compare): Bypass alternate compare logic if *op2
1449         is not a CONST_INT.
1450         (ldstwm_operation_p): Return false if first_base is not a REG or
1451         if first_offset is not a CONST_INT.
1453 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1455         * config/cris/cris.md: Use correct operand in a define_peephole2.
1457 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1459         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
1461 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
1463         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
1464         this_insn if it is an INSN or JUMP_INSN.
1465         (force_offsettable): Look at base, not at addr.
1466         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
1467         on things that aren't necessarily CONST_INTs.
1469 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
1471         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
1472         -mfpmath=sse is the default also for x86-32 targets with SSE2
1473         instruction set when @option{-ffast-math} is enabled
1475 2017-02-24  Jeff Law  <law@redhat.com>
1477         PR rtl-optimizatoin/79286
1478         * ira.c (update_equiv_regs): Drop may_trap_p exception to
1479         dominance test.
1481 2017-02-24  Richard Biener  <rguenther@suse.de>
1483         PR tree-optimization/79389
1484         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
1485         debug insns.
1487 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
1489         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
1490         function comment to reflect reality.
1491         (loop_exits_before_overflow): Fix typo in function description.
1493 2017-02-24  Richard Biener  <rguenther@suse.de>
1495         PR tree-optimization/79389
1496         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
1497         properly that a threading opportunity exists.  Detect conditional
1498         copy/constant propagation opportunities.
1500 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1502         * config/visium/visium.md (type): Add trap.
1503         (b): New mode attribute.
1504         (*btst): Rename into...
1505         (*btst<mode>): ...this and adjust.
1506         (*cbranchsi4_btst_insn): Rename into...
1507         (*cbranch<mode>4_btst_insn): ...this and adjust.
1508         (trap): New define_insn.
1510 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
1512         PR tree-optimization/79389
1513         * ifcvt.c (struct noce_if_info): Add rev_cond field.
1514         (noce_reversed_cond_code): New function.
1515         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
1516         reversed_comparison_code.  Formatting fix.
1517         (noce_try_store_flag): Test rev_cond != NULL in addition to
1518         reversed_comparison_code.
1519         (noce_try_store_flag_constants): Likewise.
1520         (noce_try_store_flag_mask): Likewise.
1521         (noce_try_addcc): Use rev_cond if non-NULL instead of
1522         reversed_comparison_code.
1523         (noce_try_cmove_arith): Likewise.  Formatting fixes.
1524         (noce_try_minmax, noce_try_abs): Clear rev_cond.
1525         (noce_find_if_block): Initialize rev_cond.
1526         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
1527         instead of false as last argument never attempt to reverse it
1528         afterwards.
1530 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
1532         PR tree-optimization/79663
1533         * tree-predcom.c (combine_chains): Process refs in reverse order
1534         only for ZERO length chains, and add explaining comment.
1536 2017-02-23  Jeff Law  <law@redhat.com>
1538         PR tree-optimization/79578
1539         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
1540         in call to operand_equal_p.
1542 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
1544         PR target/71017
1545         * config/i386/cpuid.h: Fix another undefined behavior.
1547 2017-02-23  Richard Biener  <rguenther@suse.de>
1549         PR tree-optimization/79683
1550         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
1551         vector types for data-refs.
1553 2017-02-23  Martin Liska  <mliska@suse.cz>
1555         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
1557 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
1559         PR middle-end/79665
1560         * internal-fn.c (get_range_pos_neg): Moved to ...
1561         * tree.c (get_range_pos_neg): ... here.  No longer static.
1562         * tree.h (get_range_pos_neg): New prototype.
1563         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
1564         are known to be in between 0 and signed maximum inclusive, try to
1565         expand both unsigned and signed divmod and use the cheaper one from
1566         those.
1568 2017-02-22  Jeff Law  <law@redhat.com>
1570         PR tree-optimization/79578
1571         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
1572         to compare base operands.
1574 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
1576         PR target/79211
1577         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
1578         gpc_reg_operand instead of fpr_reg_operand.
1580 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
1582         * config/mips/mips.c (mips_return_in_memory): Force FP
1583         vector types to be returned in memory for o32 ABI.
1585 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
1587         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
1588         instead of DW_TAG_member for static data member declarations and don't
1589         set no_linkage_name for static inline data members.
1590         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
1591         to DW_TAG_member.
1593 2017-02-22  Martin Liska  <mliska@suse.cz>
1595         * doc/invoke.texi: Replace inequality signs with square brackets
1596         for -Wnormalized.
1598 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1600         PR tree-optimization/68644
1601         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
1603 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
1605         PR target/78660
1606         * lra-constraints.c (simplify_operand_subreg): Handle
1607         WORD_REGISTER_OPERATIONS targets.
1609 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
1611         PR target/70465
1612         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
1613         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
1614         elimination by swapping fld*.
1616 2017-02-22  Richard Biener  <rguenther@suse.de>
1618         PR tree-optimization/79673
1619         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
1620         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
1621         irrelevant address-space qualifiers and avoiding a
1622         ADDR_SPACE_CONVERT_EXPR from fold_convert.
1624 2017-02-22  Richard Biener  <rguenther@suse.de>
1626         PR tree-optimization/79666
1627         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
1628         to not symbolically negate if that may introduce undefined
1629         overflow.
1631 2017-02-22  Martin Liska  <mliska@suse.cz>
1633         PR lto/79587
1634         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
1635         * data-streamer-out.c (streamer_write_gcov_count_stream):
1636         Likewise.
1637         * value-prof.c (stream_out_histogram_value): Make assert more
1638         precise based on type of counter.
1640 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
1642         PR target/79593
1643         * config/i386/i386.md (standard_x87sse_constant_load splitter):
1644         Use nonimmediate_operand instead of memory_operand for operand 1.
1645         (float-extend standard_x87sse_constant_load splitter): Ditto.
1647 2017-02-21 Jeff Law  <law@redhat.com>
1649         PR tree-optimization/79621
1650         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
1651         blocks with edges to themselves.
1653 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1655         PR target/79633
1656         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
1657         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
1658         Use gimple_call_builtin_p.
1660         PR target/79570
1661         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
1662         on temporarily removed DEBUG_INSNs.
1664         PR tree-optimization/79649
1665         * tree-loop-distribution.c (classify_partition): Give up on
1666         non-generic address space loads/stores.
1668 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
1670         * doc/loop.texi (Loop manipulation): Remove nonexistent
1671         tree_ssa_loop_version from the documentation.
1672         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
1674 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1676         PR target/79494
1677         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
1678         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
1679         * config/rs6000/rs6000.c: Include except.h.
1680         (rs6000_expand_split_stack_prologue): Call
1681         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
1683 2017-02-21  Martin Jambor  <mjambor@suse.cz>
1685         PR lto/79579
1686         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
1687         have been analyzed.
1689 2017-02-21  Martin Jambor  <mjambor@suse.cz>
1691         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
1692         for backward compatibility only.
1693         * doc/invoke.texi (Option Summary): Remove all references to
1694         -fipa-cp-alignment.
1696 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
1698         PR target/78660
1699         Revert:
1700         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1702         * lra-constraints.c (curr_insn_transform): Handle
1703         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
1705 2017-02-21  Martin Liska  <mliska@suse.cz>
1707         * config/i386/i386.opt: Replace -masm-dialect with -masm.
1709 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
1711         PR translation/79638
1712         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
1714 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
1716         PR ada/67205
1717         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
1718         (arm_function_ok_for_sibcall): Return false for an indirect call by
1719         descriptor if all the argument registers are used.
1720         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
1721         alignment of the function.
1723 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1725         PR tree-optimization/61441
1726         * simplify-rtx.c (simplify_const_unary_operation): For
1727         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
1728         the sNaN unmodified.
1730 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1732         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
1733         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
1734         instead of SYSTEM_HEADER_DIR.
1736 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
1737             Martin LiÅ¡ka  <mliska@suse.cz>
1739         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
1740         Fix typos and grammar, use active voice, and clarify.
1742 2017-02-20  Marek Polacek  <polacek@redhat.com>
1744         PR middle-end/79537
1745         * gimplify.c (gimplify_expr): Handle unused *&&L;.
1747         PR sanitizer/79558
1748         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
1750 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
1752         PR target/79568
1753         * config/i386/i386.c (ix86_expand_builtin): Handle
1754         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
1755         ix86_builtins_isa[fcode].isa as a requirement of those
1756         flags and any other flag in the bitmask.
1757         (ix86_init_mmx_sse_builtins): Use 0 instead of
1758         ~OPTION_MASK_ISA_64BIT as mask.
1759         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
1760         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
1761         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
1762         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
1764 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1766         PR target/78012
1767         * lra-constraints.c (split_reg): Check requested split mode
1768         is supported by the register.
1770 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1772         * lra-constraints.c (simplify_operand_subreg): Remove early
1773         return false.
1775 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1777         PR target/78660
1778         * lra-constraints.c (curr_insn_transform): Tighten condition
1779         for converting SUBREG reloads from OP_OUT to OP_INOUT.
1781 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1783         PR target/78660
1784         * lra-constraints.c (curr_insn_transform): Handle
1785         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
1787 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
1789         Revert:
1790         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
1792         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
1794 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
1796         PR c++/69523
1797         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
1798         description.
1800 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1802         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
1803         for FMA_EXPR.
1805 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
1807         * final.c (last_columnnum, override_columnnum): New variables.
1808         (final_start_function): Set last_columnnum, pass it to begin_prologue
1809         hook and pass 0 to dwarf2out_begin_prologue.
1810         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
1811         to source_line debug hook.
1812         (notice_source_line): Compute last_columnnum and for debug_column_info
1813         return true on column changes.
1814         * debug.h (struct gcc_debug_hooks): Add column argument to
1815         source_line and begin_prologue hooks.
1816         (debug_nothing_int_charstar_int_bool): Remove prototype.
1817         (debug_nothing_int_int_charstar,
1818         debug_nothing_int_int_charstar_int_bool): New prototypes.
1819         (dwarf2out_begin_prologue): Add column argument.
1820         * debug.c (do_nothing_debug_hooks): Adjust source_line and
1821         begin_prologue hooks.
1822         (debug_nothing_int_charstar_int_bool): Remove.
1823         (debug_nothing_int_int_charstar,
1824         debug_nothing_int_int_charstar_int_bool): New functions.
1825         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
1826         through to dwarf2out_source_line.
1827         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
1828         (dwarf2out_source_line): Add column argument, emit it if requested.
1829         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
1830         arguments.
1831         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
1832         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
1833         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
1834         through to dwarf2out_begin_prologue.
1835         (vmsdbgout_source_line): Add column argument, pass it through to
1836         dwarf2out_source_line.
1837         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
1838         dbxout_source_line caller.
1839         (dbxout_source_line): Add column argument.
1841         * common.opt (gno-column-info, gcolumn-info): New options.
1842         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
1843         (check_die): Also test for multiple DW_AT_decl_column attributes.
1844         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
1845         DW_AT_decl_column if requested.
1846         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
1847         if requested.
1848         (gen_variable_die): Likewise.
1849         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
1850         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
1852         PR target/79569
1853         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
1854         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
1855         (ix86_handle_option): Handle OPT_m3dnowa.
1856         * doc/invoke.texi (-m3dnowa): Document.
1857         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
1858         -m3dnowa instead of -m3dnow -march=athlon.
1860         PR target/79559
1861         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
1862         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
1864 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1866         PR target/79261
1867         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
1868         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
1869         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
1870         generator for vsx_xxpermdi_<mode>_be.
1871         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
1872         force big-endian semantics.
1873         (vsx_xxpermdi_<mode>_be): New define_expand with same
1874         implementation as previous version of vsx_xxpermdi_<mode>.
1876 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
1878         PR tree-optimization/79327
1879         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
1880         variable, its initialization and use.
1882 2017-02-17  Julia Koval  <julia.koval@intel.com>
1884         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
1885         (OPTION_MASK_ISA_PKU_UNSET): New.
1886         (ix86_handle_option): Handle -mrdpid.
1887         * config/i386/cpuid.h (bit_RDPID): New.
1888         * config/i386/driver-i386.c (host_detect_local_cpu):
1889         Detect RDPID feature.
1890         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
1891         * config/i386/i386-c.c (ix86_target_macros_internal):
1892         Handle RDPID flag.
1893         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
1894         (ix86_valid_target_attribute_inner_p): Add "rdpid".
1895         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
1896         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
1897         * config/i386/i386.md (define_insn "rdpid"): New.
1898         * config/i386/i386.opt Add -mrdpid.
1899         * config/i386/immintrin.h (_rdpid_u32): New.
1901 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
1903         PR rtl-optimization/79541
1904         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
1905         instead of transforming it into USE.
1907 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
1909         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
1910         If HONOR_SNANS (SFmode) force the input to a register.
1911         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
1912         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
1913         an frsp or similar insn.
1915 2017-02-17  Martin Liska  <mliska@suse.cz>
1917         PR rtl-optimization/79577
1918         * params.def (selsched-max-sched-times): Increase minimum to 1.
1920 2017-02-17  Martin Liska  <mliska@suse.cz>
1922         PR rtl-optimization/79574
1923         * gcse.c (want_to_gcse_p): Prevent integer overflow.
1925 2017-02-17  Martin Liska  <mliska@suse.cz>
1927         PR tree-optimization/79529
1928         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
1929         ssa_defined_default_def_p to handle cases which are implicitly
1930         defined.
1931         * tree-ssa.c (ssa_defined_default_def_p): New function.
1932         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
1933         which are implicitly defined.
1934         * tree-ssa.h (ssa_defined_default_def_p): Declare.
1936 2017-02-17  Richard Biener  <rguenther@suse.de>
1938         PR middle-end/79576
1939         * params.def (max-ssa-name-query-depth): Limit to 10.
1941 2017-02-17  Richard Biener  <rguenther@suse.de>
1943         PR tree-optimization/79552
1944         * tree-ssa-structalias.c (visit_loadstore): Properly verify
1945         default defs.
1947 2017-02-17  Richard Biener  <rguenther@suse.de>
1949         PR bootstrap/79567
1950         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
1952 2017-02-17  Marek Polacek  <polacek@redhat.com>
1954         PR middle-end/79536
1955         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
1956         (fold_negate_expr): New wrapper.
1958 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1960         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
1961         Correct terminology and de-emphasize pre-standard behavior.
1963 2017-02-16  Alan Modra  <amodra@gmail.com>
1965         PR rtl-optimization/79286
1966         * ira.c (def_dominates_uses): New function.
1967         (update_equiv_regs): Don't create an equivalence for insns that
1968         may trap where the register def does not dominate the use.
1970 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
1972         PR rtl-optimization/78127
1973         * lra.c (lra): Call lra_eliminate before finish the loop after
1974         lra_constraint.
1976 2017-02-16  Richard Biener  <rguenther@suse.de>
1978         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
1979         isl/isl_val.h.
1980         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
1981         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
1982         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
1983         (isl_val_int_from_wi): New function.
1984         (extract_affine_gmp): Rename to ...
1985         (extract_affine_wi): ... this, take a widest_int.
1986         (extract_affine_int): Just wrap extract_affine_wi.
1987         (add_param_constraints): Use isl_val_int_from_wi.
1988         (add_loop_constraints): Likewise, and extract_affine_wi.
1990 2017-02-15 Jeff Law  <law@redhat.com>
1992         PR middle-end/79521
1993         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
1994         ira_init_register_move_cost_if_necessary.
1996 2017-02-15  Martin Sebor  <msebor@redhat.com>
1998         PR middle-end/32003
1999         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
2000         removed in a prior commit.
2002 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
2004         PR tree-optimization/79347
2005         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
2006         counters during peeling.
2008 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
2010         * Makefile.in (site.exp): Remove "set ISLVER".
2012 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
2014         PR target/79487
2015         * real.c (real_from_integer): Call real_convert even for decimal.
2017 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2019         PR target/79421
2020         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
2022 2017-02-14  Andrew Pinski  <apinski@cavium.com>
2024         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
2025         cores and change the partno/implementer to be correct.
2026         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
2027         the 'B" as the implementer.
2028         * config/aarch64/aarch64-tune.md: Regenerate.
2030 2017-02-14  Carl Love  <cel@us.ibm.com>
2032         * config/rs6000/rs6000.c: Add case statement entry to make the
2033         xvcvuxdsp built-in argument unsigned.
2034         * config/rs6000/vsx.md: Fix the source and return operand types so they
2035         match the instruction definitions from the ISA document.  Fix typo
2036         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
2037         statement.
2039 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
2041         PR target/79282
2042         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
2043         member early_clobber_alts.
2044         * lra-lives.c (reg_early_clobber_p): New.
2045         (process_bb_lives): Use it.
2046         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
2047         (debug_operand_data): Initialize early_clobber_alts.
2048         (setup_operand_alternative): Set up early_clobber_alts.
2049         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
2050         alternatives to new_insn_reg.
2051         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
2052         it.
2053         (lra_update_insn_regno_info): Pass the new arg.
2055 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
2057         PR middle-end/79505
2058         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
2059         (new_oacc_loop_raw): Don't clear already cleared fields.
2061         PR target/79481
2062         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
2063         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
2064         _mm512_prefetch_i64gather_ps): New inline functions and macros.
2066 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
2068         PR target/79495
2069         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
2071 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
2073         PR target/79498
2074         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
2075         the extra instruction to the right place to store 128-bit constant
2076         when needed.
2078 2017-02-14  Martin Sebor  <msebor@redhat.com>
2080         PR middle-end/79448
2081         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
2082           warning for strings of unknown length.
2084 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
2086         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
2088 2017-02-14 Jeff Law  <law@redhat.com>
2090         PR target/79404
2091         * ira-costs.c (scan_one_insn): Initialize register move costs
2092         for pseudos seen in USE/CLOBBER insns.
2094         PR tree-optimization/79095
2095         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
2096         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
2097         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
2098         if the operands are known to be not equal, then the resulting range
2099         is ~[0,0].
2100         (intersect_ranges): If the new range is ~[0,0] and the old range is
2101         wide, then prefer ~[0,0].
2102         * tree-vrp.c (overflow_comparison_p_1): New function.
2103         (overflow_comparison_p): New function.
2104         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
2105         if NAME is used in an overflow test.
2106         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
2107         overflow check that can be expressed as an equality test, then adjust
2108         ops to be that equality test.
2110 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2112         * config/s390/s390-builtin-types.def: Remove flags argument.
2113         * config/s390/s390.c (s390_init_builtins): Likewise.
2115 2017-02-14  Martin Liska  <mliska@suse.cz>
2117         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
2118         vector.  Fix trailing white spaces.
2120 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
2122         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
2123         HFmode.
2125 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2127         PR rtl-optimization/68664
2128         * config/arm/arm.c (arm_sched_can_speculate_insn):
2129         New function.  Declare prototype.
2130         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
2132 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2134         PR rtl-optimization/68664
2135         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
2136         New function.
2137         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
2139 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
2141         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
2142         max skip bytes for function, loop and jump.
2144 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2146         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
2147         ABS_EXPR for gimple dump.
2149 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
2151         PR target/79462
2152         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
2154         PR tree-optimization/79408
2155         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
2156         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
2157         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
2158         also if rhs1 is INTEGER_CST.
2160 2017-02-14  Richard Biener  <rguenther@suse.de>
2162         PR middle-end/79432
2163         * tree-into-ssa.c (insert_phi_nodes): When the function can
2164         have abnormal edges rewrite SSA names with broken use-def
2165         dominance out of SSA and register them for PHI insertion.
2167 2017-02-13  Martin Sebor  <msebor@redhat.com>
2169         PR middle-end/79496
2170         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
2171         clearing info.nowrite flag when snprintf size argument is a range.
2173 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2175         * cprop.c (cprop_jump): Add missing space in string literal.
2176         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
2177         (get_constraint_for_component_ref): Likewise.
2178         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
2179         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
2180         * lra-constraints.c (process_alt_operands): Likewise.
2181         * ipa-inline.c (inline_small_functions): Likewise.
2182         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
2183         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
2184         * trans-mem.c (diagnose_tm_1_op): Likewise.
2185         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
2186         (grid_parallel_clauses_gridifiable): Likewise.
2188         * config/nvptx/mkoffload.c (process): Add space in between
2189         , and %d.
2191         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
2192         "MOD4_SSE_REGS" and "ALL_REGS".
2194         * spellcheck.c (test_data): Add , in between "foo" and "food".
2196 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2198         PR target/79449
2199         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
2200         boundary crossing check and subsequent code generation agree.
2202 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2204         * config/aarch64/aarch64.c (has_memory_op): Delete.
2205         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
2206         has_memory_op.
2208 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2210         PR rtl-optimization/79388
2211         PR rtl-optimization/79450
2212         * combine.c (distribute_notes): When removing TEM_INSN for which
2213         corresponding dest has last value recorded, invalidate that last
2214         value.
2216 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2218         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
2219         of explicit '@'.  Add missing assembly comment marker on branch costs
2220         printout.
2222 2017-02-13  Nathan Sidwell  <nathan@acm.org>
2224         * gengtype-lex.l (<in_struct>): Add '/'.
2226 2017-02-13  Martin Liska  <mliska@suse.cz>
2228         PR c/79471
2229         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
2231 2017-02-13  Richard Biener  <rguenther@suse.de>
2233         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
2234         Remove.
2235         * configure: Re-generate.
2236         * config.in: Likewise.
2237         * graphite-dependences.c: Simplify as if
2238         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
2239         * graphite-isl-ast-to-gimple.c: Likewise.
2240         * graphite-optimize-isl.c: Likewise.
2241         * graphite-poly.c: Likewise.
2242         * graphite-sese-to-poly.c: Likewise.
2243         * graphite.h: Likewise.
2244         * toplev.c: Include isl/version.h and use isl_version () for
2245         printing the ISL version.
2246         * doc/install.texi: Update ISL requirement.
2248 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
2250         * doc/standards.texi (Standards): Update reference to
2251         Objective-C 2.0.
2253 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
2254         
2255         * doc/extend.texi (Named Address Spaces): sourceware.org now
2256         defaults to https.
2257         * doc/install.texi (Binaries): Ditto.
2258         (Specific): Ditto.
2260 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
2262         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
2263         standard terminology "stringize"/"stringizing" throughout.
2264         * doc/cppinternals.texi: Likewise.
2266 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
2268         * doc/extend.texi: Fix some spelling mistakes and typos.
2269         * doc/invoke.texi: Likewise.
2271 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
2273         PR ipa/79224
2274         * params.def (inline-min-speedup) Change from 10 to 8.
2276 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
2278         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
2279         4.5.
2281 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
2283         PR ipa/79224
2284         * ipa-inline-analysis.c (get_minimal_bb): New function.
2285         (record_modified): Use it.
2286         (remap_edge_change_prob): Handle also ancestor functions.
2288 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
2290         * doc/contrib.texi (Contributors): Remove broken link into
2291         the Mauve CVS repository.
2293 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
2295         PR middle-end/79454
2296         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
2297         result computation whenever lhs doesn't have vector mode, not
2298         just when it has BLKmode.
2300 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
2302         * doc/makefile.texi (profiledbootstrap): Refer to the
2303         installation instructions only in textual form.
2305 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2307         PR target/79295
2308         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
2310 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
2312         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
2313         (Specific): Update mingw-w64 reference.
2314         (Binaries): Ditto.
2315         (Specific): Remove broken link to Renesas RX processor.
2317 2017-02-10  Richard Biener  <rguenther@suse.de>
2319         * toplev.c (process_options): Do not mention obsolete graphite
2320         options when printing sorry message about missing graphite support.
2321         Mention -floop-nest-optimize.
2323 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
2325         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
2326         (vtst_p16): Likewise.
2327         (vtstq_p8): Likewise.
2328         (vtstq_p16): Likewise.
2329         (vtst_p64): New.
2330         (vtstq_p64): Likewise.
2331         * config/arm/arm_neon.h (vgetq_lane_p64): New.
2332         (vset_lane_p64): New.
2333         (vsetq_lane_p64): New.
2335 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
2337         PR tree-optimization/79411
2338         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
2339         stmt operands are SSA_NAMEs used in abnormal phis.
2340         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
2341         phis.
2343 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
2345         PR ipa/70795
2346         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
2347         flag if needed.
2349 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
2351         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
2353 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
2355         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
2356         to avoid warning.
2358         PR c/79413
2359         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
2360         not arbitrary TREE_CONSTANT.
2362         PR c/79431
2363         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
2364         "omp declare target link" attribute unless is_global_var.
2365         * omp-offload.c (find_link_var_op): Likewise.
2367 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2368             Chung-Lin Tang  <cltang@codesourcery.com>
2370         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
2371         OMP_CLAUSE_TILE.
2372         (gimplify_adjust_omp_clauses): Don't delete TILE.
2373         (gimplify_omp_for): Deal with TILE.
2374         * internal-fn.c (expand_GOACC_TILE): New function.
2375         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
2376         (GOACC_TILE): New.
2377         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
2378         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
2379         element fields.
2380         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
2381         avoid DIV for outermost collapse var.
2382         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
2383         Remove out of date comments, fix whitespace.
2384         * omp-general.c (omp_extract_for_data): Deal with tiling.
2385         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
2386         adjust OLF_DIM_BASE value.
2387         (struct omp_for_data): Add tiling field.
2388         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
2389         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
2390         for auto loops.  Remove default auto determining, moved to
2391         oacc_loop_fixed_partitions.
2392         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
2393         stmts, add e_mask field.
2394         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
2395         (oacc_thread_numbers): Use oacc_dim_call.
2396         (oacc_xform_tile): New.
2397         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
2398         (finish_oacc_loop): Adjust for ifns vector.
2399         (oacc_loop_discover_walk): Append loop abstraction sites to list,
2400         add case for GOACC_TILE fns.
2401         (oacc_loop_xform_loop): Delete.
2402         (oacc_loop_process): Iterate over call list directly, and add
2403         handling for GOACC_TILE fns.
2404         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
2405         dump partitioning.
2406         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
2407         vector partitioning to outer loops.  Assign 2 partitions to loops
2408         when available. Add TILE handling.
2409         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
2410         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
2411         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
2412         * tree.c (omp_clause_num_ops): Adjust TILE ops.
2413         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
2415 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
2417         * configure.ac (ACX_BUGURL): Update.
2418         * configure: Regenerate.
2420 2017-02-09  Richard Biener  <rguenther@suse.de>
2422         PR tree-optimization/69823
2423         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2424         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
2426 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
2428         * config/arc/arc-c.def: Add __NPS400__ definition.
2429         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
2430         (TARGET_NPS400): Define.
2432 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
2434         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
2435         file.
2436         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
2437         pointer, arch_info.
2438         (arc_cpu_types): Fill the arch_info field with a pointer into the
2439         arc_arch_types table.
2440         (arc_selected_cpu): Declare.
2441         * config/arc/arc.c (arc_selected_cpu): Make global.
2442         (arc_selected_arch): Delete.
2443         (arc_base_cpu): Delete.
2444         (arc_override_options): Remove references to deleted variables,
2445         update access to arch information.
2446         (ARC_OPT): Update access to arch information.
2447         (ARC_OPTX): Likewise.
2448         * config/arc/arc.h (arc_base_cpu): Remove declaration.
2449         (TARGET_ARC600): Update access to arch information.
2450         (TARGET_ARC601): Likewise.
2451         (TARGET_ARC700): Likewise.
2452         (TARGET_EM): Likewise.
2453         (TARGET_HS): Likewise.
2454         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
2455         information.
2457 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
2459         PR target/78604
2460         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
2461         condition/operands for integer GE/LE/GEU/LEU operations.
2463 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
2465         PR translation/79397
2466         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
2467         of AltiVec.
2469 2017-02-08  Martin Jambor  <mjambor@suse.cz>
2471         PR ipa/79375
2472         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
2473         whether allocation happened.
2474         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
2475         nothing was allocated.
2477 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
2479         PR tree-optimization/79408
2480         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
2481         constant, but SSA_NAME with a known integer range, use the minimum
2482         of that range instead of op1 to determine if modulo can be replaced
2483         with its first operand.
2485 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2487         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
2489 2017-02-08  Richard Biener  <rguenther@suse.de>
2491         PR tree-optimization/71824
2492         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
2493         Check all loops contained in the merged region.
2495 2017-02-07  Andrew Pinski  <apinski@cavium.com>
2497         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
2499 2017-02-07  Andrew Pinski  <apinski@cavium.com>
2501         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
2502         (thunderxt88): Likewise.
2503         (thunderxt81): Disable LSE and change v8.1 to v8.
2504         (thunderxt83): Likewise.
2506 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
2507             Richard Biener  <rguenther@suse.de>
2509         PR middle-end/79399
2510         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
2511         type from int to size_t.
2512         * ira-costs.c (struct_costs_size): Change type from int to size_t.
2514 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
2516         PR rtl-optimization/79386
2517         * cprop.c (bypass_conditional_jumps): Initialize
2518         bypass_last_basic_block already before splitting bbs after
2519         unconditional traps...
2520         (bypass_conditional_jumps): ... rather than here.
2522         PR target/79299
2523         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
2524         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
2525         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
2526         fix -masm=intel patterns.
2528 2017-02-07  Richard Biener  <rguenther@suse.de>
2530         PR tree-optimization/79256
2531         PR middle-end/79278
2532         * builtins.c (get_object_alignment_2): Use min_align_of_type
2533         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
2534         and ADJUST_FIELD_ALIGN.
2536         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
2537         type parameter.
2538         * doc/tm.texi: Regenerate.
2539         * stor-layout.c (layout_decl): Adjust.
2540         (update_alignment_for_field): Likewise.
2541         (place_field): Likewise.
2542         (min_align_of_type): Likewise.
2543         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
2544         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
2545         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
2546         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
2547         * config/frv/frv.c (frv_adjust_field_align): Likewise.
2548         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
2549         * config/i386/i386.c (x86_field_alignment): Likewise.
2550         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2551         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
2552         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
2553         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2554         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
2555         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
2556          Likewise.
2558         Revert
2559         2017-01-30  Richard Biener  <rguenther@suse.de>
2561         PR tree-optimization/79256
2562         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
2563         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
2564         alignment on TYPE.
2566 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
2568         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
2569         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
2570         builtins to SImode and emit a zero-extend, if necessary.
2572 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2574         * docs/invoke.texi (RISC-V Options): Alphabetize.
2576 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2578         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
2579         options.
2581 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2583         * config/riscv/riscv.c: New file.
2584         * gcc/common/config/riscv/riscv-common.c: Likewise.
2585         * config.gcc: Likewise.
2586         * config/riscv/constraints.md: Likewise.
2587         * config/riscv/elf.h: Likewise.
2588         * config/riscv/generic.md: Likewise.
2589         * config/riscv/linux.h: Likewise.
2590         * config/riscv/multilib-generator: Likewise.
2591         * config/riscv/peephole.md: Likewise.
2592         * config/riscv/pic.md: Likewise.
2593         * config/riscv/predicates.md: Likewise.
2594         * config/riscv/riscv-builtins.c: Likewise.
2595         * config/riscv/riscv-c.c: Likewise.
2596         * config/riscv/riscv-ftypes.def: Likewise.
2597         * config/riscv/riscv-modes.def: Likewise.
2598         * config/riscv/riscv-opts.h: Likewise.
2599         * config/riscv/riscv-protos.h: Likewise.
2600         * config/riscv/riscv.h: Likewise.
2601         * config/riscv/riscv.md: Likewise.
2602         * config/riscv/riscv.opt: Likewise.
2603         * config/riscv/sync.md: Likewise.
2604         * config/riscv/t-elf-multilib: Likewise.
2605         * config/riscv/t-linux: Likewise.
2606         * config/riscv/t-linux-multilib: Likewise.
2607         * config/riscv/t-riscv: Likewise.
2608         * configure.ac: Likewise.
2609         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
2610         Waterman as RISC-V maintainers.
2611         * doc/install.texi: Add RISC-V entries.
2612         * doc/invoke.texi: Add RISC-V options section.
2613         * doc/md.texi: Add RISC-V constraints section.
2614         * configure: Regenerated.
2616 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2618         PR target/66144
2619         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
2620         false values to be constant vectors with all 0 or all 1 bits set.
2621         (vcondu<mode><mode>): Likewise.
2622         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
2623         predicate.
2624         (fpmask_comparison_operator): Update comment.
2625         (vecint_comparison_operator): New predicate.
2626         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
2627         vector conditionals when the true and false values are constant
2628         vectors with all 0 bits or all 1 bits set.
2630 2017-02-06  Martin Sebor  <msebor@redhat.com>
2632         PR  tree-optimization/79376
2633         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
2635 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
2637         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
2638         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
2639         to simplify split condition.
2641 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2643         * omp-expand.c (oxpand_omp_atomic_fetch_op,
2644         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
2645         false.
2647 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
2649         PR rtl-optimization/68664
2650         * target.def (can_speculate_insn): New hook.
2651         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
2652         * doc/tm.texi: Regenerate.
2653         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
2654         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
2655         (rs6000_sched_can_speculate_insn): New function.
2657 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2659         PR tree-optimization/79284
2660         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
2661         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
2662         vectorizable_mask_load_store, vectorizable_operation,
2663         vect_is_simple_cond, get_same_sized_vectype): Use it instead
2664         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
2665         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
2666         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
2667         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
2668         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
2669         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
2670         is_gimple_assign (stmt).  Replace another such test with
2671         is_gimple_assign (stmt).
2673 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
2675         PR target/78883
2676         * config/avr/avr.c (rtl-iter.h): Include it.
2677         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
2678         (avr_legitimate_combined_insn): ...and implementation.
2680 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2682         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
2683         * config/s390/s390.c (s390_const_operand_ok)
2684         (s390_canonicalize_comparison, s390_extract_part)
2685         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
2686         (s390_contiguous_bitmask_p, s390_rtx_costs)
2687         (legitimize_pic_address): Likewise.
2688         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
2689         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
2690         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
2691         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
2692         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
2694 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
2696         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
2697         REGNO($0) == REGNO($1).
2699 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2701         * config/s390/linux.h(SIZE_TYPE): Add comment.
2703 2017-02-06  Julian Brown  <julian@codesourcery.com>
2704             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
2705             Virendra Pathak  <virendra.pathak@broadcom.com>
2707         * config/aarch64/aarch64-cores.def: Change the scheduler
2708         to Thunderx2t99.
2709         * config/aarch64/aarch64.md: Include thunderx2t99.md.
2710         * config/aarch64/thunderx2t99.md: New file.
2712 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2714         * doc/standards.texi (Go Language): Update link to language
2715         standard.
2717 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
2719         * tree-eh.c (lower_resx): Sanitize profile.
2720         (cleanup_empty_eh_move_lp): Likewise.
2722 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
2724         PR tree-ssa/79347
2725         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
2726         ELSE_PROB.
2727         * cfgloopmanip.h (loop_version): Update prototype.
2728         * modulo-sched.c (sms_schedule): Update call of loop_version.
2729         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
2730         * tree-parloops.c (gen_parallel_loop): Likewise.
2731         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
2732         * tree-ssa-loop-split.c (split_loop): Likewise.
2733         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
2734         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
2736 2017-02-05  Martin Liska  <mliska@suse.cz>
2738         PR bootstrap/78985
2739         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
2740         variable to NULL.
2741         (print_operand_address): Initialize a struct to zero.
2743 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2745         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
2746         garbage collector only in textual form.
2748 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2749         
2750         * doc/extend.texi (x86 specific memory model extensions for
2751         transactional memory): Simplify a phrase.
2753 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
2755         PR target/79353
2756         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
2757         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
2758         (atomic_storedi_1): Likewise.
2760 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
2762         PR tree-optimization/79338
2763         * tree-parloops.c (gather_scalar_reductions): Don't call
2764         vect_analyze_loop_form for loop->inner before destroying loop's
2765         loop_vinfo.
2767 2017-02-03  Martin Sebor  <msebor@redhat.com>
2769         PR tree-optimization/79327
2770         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
2771         when precision has resulted in leading zeros.
2772         (format_integer): Adjust the likely counter to assume an unknown
2773         argument that may be zero is non-zero.
2775 2017-02-03  Jason Merrill  <jason@redhat.com>
2777         PR c++/78689
2778         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
2779         avoid copying non-taken branch.
2781 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
2783         PR tree-optimization/79340
2784         * tree-vect-loop.c (vectorizable_reduction): Release
2785         vec_defs elements after safe_splicing them into other vectors.
2786         Formatting fixes.
2788         PR tree-optimization/79327
2789         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
2790         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
2791         dirtype.
2792         (format_integer): Use wide_int_to_tree instead of build_int_cst
2793         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
2794         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
2795         of shortest and longest sequence.
2797 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
2799         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
2800         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
2802 2017-02-03  Walter Lee  <walt@tilera.com>
2804         PR target/78862
2805         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
2806         after initial stackframe link reg save.
2807         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
2809 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
2811         PR target/79354
2812         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
2813         wu for stxssp alternative.
2815 2017-02-03  Martin Sebor  <msebor@redhat.com>
2817         PR tree-optimization/79352
2818         * gimple-fold.c (get_range_strlen): Add argument.
2819         (get_range_strlen): Change return type to bool.
2820         (get_maxval_strlen): Pass in a dummy argument.
2821         * gimple-fold.h (get_range_strlen): Change return type to bool.
2822         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
2823         * tree.h (array_at_struct_end_p): Add argument.
2824         * tree.c (array_at_struct_end_p): Handle it.
2826 2017-02-03  Martin Liska  <mliska@suse.cz>
2828         PR lto/66295
2829         * multiple_target.c (create_dispatcher_calls): Redirect edge
2830         from a caller of a dispatcher.
2831         (expand_target_clones): Make the clones local.
2832         (ipa_target_clone): Do both target clones and resolvers.
2833         (ipa_dispatcher_calls): Remove the pass.
2834         (pass_dispatcher_calls::gate): Likewise.
2835         (make_pass_dispatcher_calls): Likewise.
2836         * passes.def (pass_target_clone): Put as very first IPA early
2837         pass.
2839 2017-02-03  Martin Liska  <mliska@suse.cz>
2841         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
2842         in case of a function with ifunc attribute.
2844 2017-02-03  Martin Liska  <mliska@suse.cz>
2846         * cgraph.c (cgraph_node::dump): Dump function version info.
2847         * symtab.c (symtab_node::dump_base): Add missing new line.
2849 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
2851         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
2852         (ifcombine_ifandif): Use it.
2854 2017-02-03  Martin Liska  <mliska@suse.cz>
2856         * doc/invoke.texi: Document default value for
2857         use-after-scope-direct-emission-threshold.
2859 2017-02-03  Martin Liska  <mliska@suse.cz>
2861         PR tree-optimization/79339
2862         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
2863         (format_floating): Likewise.
2865 2017-02-03  Martin Liska  <mliska@suse.cz>
2867         PR ipa/79337
2868         * ipa-prop.c (ipa_node_params_t::insert): Remove current
2869         implementation.
2870         (ipa_node_params_t::remove): Likewise.
2871         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
2872         initialization from removed ipa_node_params_t::insert.
2873         (ipa_node_params::~ipa_node_params): Move from removed
2874         ipa_node_params_t::release.
2875         * symbol-summary.h (symbol_summary::m_released): New member.
2876         Do not release a summary twice.  Do not allow to call finalizer
2877         for types of a summary that live in GGC memory.
2879 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
2881         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
2882         cmp_branch fusion.
2884 2017-02-02  Martin Sebor  <msebor@redhat.com>
2886         PR middle-end/79275
2887         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
2888         (format_string): Tighten up the range of output for non-constant
2889         strings and correct the expected range for wide non-constant strings.
2891 2017-02-02  Martin Sebor  <msebor@redhat.com>
2893         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
2895         PR middle-end/32003
2896         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
2897         index.
2898         (-fdump-tree-@var): Add to index and document how to come up
2899         with pass-specific option and dump file names.
2900         (-fdump-passes): Clarify where to look for output.
2902 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
2904         PR middle-end/77445
2905         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
2906         statistics of the analyzed path; allow threading for speed when
2907         any of BBs along the path are optimized for speed.
2909 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
2911         PR middle-end/78468
2912         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
2913         settings of the virtual registers.
2915         Revert again
2916         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2918         * explow.c (get_dynamic_stack_size): Take known alignment of stack
2919         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
2920         needed.
2922 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2924         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
2925         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
2927 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2929         * config/s390/s390.md: Add missing comments with the expanded
2930         mnemonics.
2931         * config/s390/vector.md: Likewise.
2932         * config/s390/vx-builtins.md: Likewise.
2934 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
2936         PR target/79197
2937         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
2938         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
2939         conditions on a single line.
2941 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2943         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
2944         __S390_VX__ to __VX__.
2946 2017-02-01  Andrew Pinski  <apinski@cavium.com>
2948         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
2949         stmt_info to record_stmt_cost.
2950         (vect_get_known_peeling_cost): Pass stmt_info if known to
2951         record_stmt_cost.
2952         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
2953         cpu_vector_cost field into
2954         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
2955         field into vec_int_stmt_cost and vec_fp_stmt_cost.
2956         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
2957         splitting of scalar_stmt_cost and vec_stmt_cost.
2958         (thunderx_vector_cost): Likewise.
2959         (cortexa57_vector_cost): LIkewise.
2960         (exynosm1_vector_cost): Likewise.
2961         (xgene1_vector_cost): Likewise.
2962         (thunderx2t99_vector_cost): Improve after the splitting of the two
2963         fields.
2964         (aarch64_builtin_vectorization_cost): Update for the splitting of
2965         scalar_stmt_cost and vec_stmt_cost.
2967 2017-02-01  Torvald Riegel  <triegel@redhat.com>
2968             Richard Henderson  <rth@redhat.com>
2970         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
2971         conditional on existance of a fast atomic load.
2972         * optabs-query.c (can_atomic_load_p): New function.
2973         * optabs-query.h (can_atomic_load_p): Declare it.
2974         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
2975         no fast atomic load is available for the particular size of access.
2976         (expand_atomic_compare_and_swap): Likewise.
2977         (expand_atomic_load): Likewise.
2978         (expand_atomic_store): Likewise.
2979         (expand_atomic_fetch_op): Likewise.
2980         * testsuite/lib/target-supports.exp
2981         (check_effective_target_sync_int_128): Remove x86 because it provides
2982         no fast atomic load.
2983         (check_effective_target_sync_int_128_runtime): Likewise.
2985 2017-02-01  Richard Biener  <rguenther@suse.de>
2987         * graphite.c: Include tree-vectorizer.h for find_loop_location.
2988         (graphite_transform_loops): Provide opt-info for optimized nests.
2989         * tree-parloop.c (parallelize_loops): Provide opt-info for
2990         parallelized loops.
2992 2017-02-01  Richard Biener  <rguenther@suse.de>
2994         PR middle-end/79315
2995         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
2996         was not set before.
2998 2017-02-01  Richard Biener  <rguenther@suse.de>
3000         PR tree-optimization/71824
3001         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
3002         Verify the loops are valid in the merged SESE region.
3003         (scop_detection::can_represent_loop_1): Check analyzing the
3004         evolution of the number of iterations in the region succeeds.
3006 2017-01-31  Ian Lance Taylor  <iant@golang.org>
3008         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
3009         REG_ARGS_SIZE note to 32-bit push insns and call insn.
3011 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
3013         PR preprocessor/79210
3014         * input.c (get_substring_ranges_for_loc): Replace line_width
3015         assertion with error-handling.
3017 2017-01-31  Richard Biener  <rguenther@suse.de>
3019         PR tree-optimization/77318
3020         * graphite-sese-to-poly.c (extract_affine): Fix assert.
3021         (create_pw_aff_from_tree): Take loop parameter.
3022         (add_condition_to_pbb): Pass loop of the condition to
3023         create_pw_aff_from_tree.
3025 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
3027         * config/s390/s390.c (s390_asan_shadow_offset): New function.
3028         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
3030 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
3032         PR target/78597
3033         PR target/79038
3034         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
3035         no longer used.
3036         (convert_int_to_float128): Likewise.
3037         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
3038         (convert_int_to_float128): Likewise.
3039         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
3040         (UNSPEC_IEEE128_CONVERT): Likewise.
3041         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
3042         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
3043         Use local variables for IBM extended format.
3044         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
3045         (fix_trunc<mode>si2_fprs): Likewise.
3046         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
3047         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
3048         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
3049         to know that we can now have integers of all sizes in vector
3050         registers.
3051         (fix<uns>_<mode>di2_hw): Likewise.
3052         (float<uns>_<mode>si2_hw): Likewise.
3053         (fix_<mode>si2_hw): Likewise.
3054         (fixuns_<mode>si2_hw): Likewise.
3055         (float<uns>_<mode>di2_hw): Likewise.
3056         (float_<mode>di2_hw): Likewise.
3057         (float_<mode>si2_hw): Likewise.
3058         (floatuns_<mode>di2_hw): Likewise.
3059         (floatuns_<mode>si2_hw): Likewise.
3060         (xscvqp<su>wz_<mode>): Delete, no longer used.
3061         (xscvqp<su>dz_<mode>): Likewise.
3062         (xscv<su>dqp_<mode>): Likewise.
3063         (ieee128_mfvsrd_64bit): Likewise.
3064         (ieee128_mfvsrd_32bit): Likewise.
3065         (ieee128_mfvsrwz): Likewise.
3066         (ieee128_mtvsrw): Likewise.
3067         (ieee128_mtvsrd_64bit): Likewise.
3068         (ieee128_mtvsrd_32bit): Likewise.
3070 2017-01-31  Martin Liska  <mliska@suse.cz>
3072         PR ipa/79285
3073         * ipa-prop.c (ipa_free_all_node_params): Call release method
3074         instead of ~sumbol_summary to not to trigger double times
3075         dtor of hash_map.
3077 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
3079         PR tree-optimization/71691
3080         * bitmap.h (class auto_bitmap): New.
3081         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
3082         is_maybe_undefined instead of ssa_undefined_value_p.
3084 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3086         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
3087         __S390_ARCH_LEVEL__ to __ARCH__.
3089 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
3091         PR tree-optimization/79267
3092         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
3093         if should_remove_lhs_p is true.
3095 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
3097         PR debug/63238
3098         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
3099         (add_alignment_attribute): New.
3100         (base_type_die): Add alignment attribute.
3101         (subrange_type_die): Likewise.
3102         (modified_type_die): Likewise.
3103         (gen_array_type_die): Likewise.
3104         (gen_descr_array_type_die: Likewise.
3105         (gen_enumeration_type_die): Likewise.
3106         (gen_subprogram_die): Likewise.
3107         (gen_variable_die): Likewise.
3108         (gen_field_die): Likewise.
3109         (gen_ptr_to_mbr_type_die): Likewise.
3110         (gen_struct_or_union_type_die): Likewise.
3111         (gen_subroutine_type_die): Likewise.
3112         (gen_typedef_die): Likewise.
3113         (base_type_cmp): Compare alignment attribute.
3115 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3117         PR target/79170
3118         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
3119         (setb_unsigned) New pattern for setb with CCUNS.
3120         * config/rs6000/rs6000.c (expand_block_compare): Use a different
3121         subfc./subfe sequence to avoid overflow problems.  Generate a
3122         shorter sequence with cmpld/setb for power9.
3123         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
3124         for generating subfc. instruction.
3125         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
3126         now uses this instruction.
3128 2017-01-30  Ian Lance Taylor  <iant@google.com>
3130         PR debug/79289
3131         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
3132         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
3134 2017-01-30  Martin Sebor  <msebor@redhat.com>
3136         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
3137         Move constant to the right of a relational operator.
3138         (get_mpfr_format_length, format_character, format_string): Ditto.
3139         (should_warn_p, maybe_warn): Same.
3141         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
3143 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
3145         PR lto/79061
3146         * asan.c (get_translation_unit_decl): Remove function.
3147         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
3149 2017-01-30  Martin Liska  <mliska@suse.cz>
3151         PR gcov-profile/79259
3152         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
3153         -fprofile-generate.
3155 2017-01-30  Martin Liska  <mliska@suse.cz>
3157         PR bootstrap/78985
3158         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
3159         Initialize variables with NULL value.
3161 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
3163         PR target/79260
3164         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
3165         tm_p_file.
3166         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
3168 2017-01-30  Richard Biener  <rguenther@suse.de>
3170         PR tree-optimization/79276
3171         * tree-vrp.c (process_assert_insertions): Properly adjust common
3172         when removing a duplicate.
3174         * gcc.dg/torture/pr79276.c: New testcase.
3176 2017-01-30  Richard Biener  <rguenther@suse.de>
3178         PR tree-optimization/79256
3179         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
3180         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
3181         alignment on TYPE.
3182         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
3184 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3186         PR target/79240
3187         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
3188         ("*r<noxa>sbg_<mode>_sll_bitmask")
3189         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
3190         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
3191         Use contiguous_bitmask_nowrap_operand.
3193 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3195         PR target/79268
3196         * config/rs6000/altivec.h (vec_xl): Revise #define.
3197         (vec_xst): Likewise.
3199 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
3201         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
3203 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
3205         PR rtl-optimization/79194
3206         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
3207         traps before call to bypass_conditional_jumps.
3209 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
3211         PR tree-optimization/71374
3212         * lra-constraints.c (check_conflict_input_operands): New.
3213         (match_reload): Use it.
3215 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
3217         PR target/79131
3218         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
3219         account to calculate conflict_set.
3221 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
3223         PR rtl-optimization/78559
3224         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
3225         other_insn in combine.
3227 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
3229         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
3230         uint16_type_node for BT_UINT16.
3232 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
3234         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
3235         "RTL Tests" to menu.
3236         (GIMPLE Tests): New node.
3237         (RTL Tests): New node.
3239 2017-01-27  Richard Biener  <rguenther@suse.de>
3241         PR tree-optimization/79245
3242         * tree-loop-distribution.c (distribute_loop): Apply cost
3243         modeling also to detected patterns.
3245 2017-01-27  Richard Biener  <rguenther@suse.de>
3247         PR tree-optimization/71433
3248         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
3249         (compare_assert_loc): New function.
3250         (process_assert_insertions): Sort and optimize assert locations
3251         to remove duplicates and push down identical assertions on
3252         edges to their destination block.
3254 2017-01-27  Richard Biener  <rguenther@suse.de>
3256         PR tree-optimization/79244
3257         * tree-vrp.c (remove_range_assertions): Forcefully propagate
3258         out SSA names even if abnormal.
3260 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
3262         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
3263         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
3264         instead of MPFR_RNDN.
3266 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
3268         PR target/79239
3269         * arm.c (arm_option_override): Don't call build_target_option_node
3270         until after doing all option overrides.
3271         (arm_valid_target_attribute_tree): Likewise.
3273 2017-01-27  Martin Liska  <mliska@suse.cz>
3275         * doc/invoke.texi (-fprofile-arcs): Document profiling support
3276         for {cd}tors and C++ {cd}tors.
3278 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3280         * config/s390/s390.md ("*setmem_long_and")
3281         ("*setmem_long_and_31z"): Use zero_extend instead of and.
3283 2017-01-26  Martin Sebor  <msebor@redhat.com>
3285         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
3286         of precision.
3288 2017-01-26  Martin Sebor  <msebor@redhat.com>
3290         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
3291         HAVE_DFmode before using XFmode or DFmode.
3292         (parse_directive): Avoid using the z length modifier to avoid
3293         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
3295         PR middle-end/78703
3296         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
3297         to accept adjustment as an array.
3298         (get_int_range): New function.
3299         (struct directive): Make width and prec arrays.
3300         (directive::set_width, directive::set_precision): Call get_int_range.
3301         (format_integer, format_floating): Handle width and precision ranges.
3302         (format_string, parse_directive): Same.
3304 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3306         PR debug/79129
3307         * dwarf2out.c (generate_skeleton_bottom_up): For children with
3308         comdat_type_p set, just clone them, but keep the children in the
3309         original DIE.
3311         PR debug/78835
3312         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
3313         which have direct callers with -fvar-tracking-assignments enabled
3314         in the current TU.
3315         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
3316         inside of type units.
3318 2017-01-26  Martin Sebor  <msebor@redhat.com>
3320         PR middle-end/78703
3321         * gimple-ssa-sprintf.c (struct result_range): Add likely and
3322         unlikely counters.
3323         (struct format_result): Replace number_chars, number_chars_min,
3324         and number_chars_max with a single member of struct result_range.
3325         Remove bounded.
3326         (format_result::operator+=): Adjust.
3327         (struct fmtresult): Remove bounded.  Handle likely and unlikely
3328         counters.
3329         (fmtresult::adjust_for_width_or_precision): New function.
3330         (fmtresult:type_max_digits): New function.
3331         (bytes_remaining): Handle likely and unlikely counters.
3332         (min_bytes_remaining): Remove.
3333         (format_percent): Simplify.
3334         (format_integer, format_floating): Set likely and unlikely counters.
3335         (get_string_length, format_character, format_string): Same.
3336         (format_plain, should_warn_p): New function.
3337         (maybe_warn): Call should_warn_p.  Update diagnostic messages
3338         and handle those for all directives, including plain strings.
3339         (format_directive): Handle likely and unlikely counters.
3340         Remove unnecessary quoting from diagnostics.  Add an informational
3341         note.
3342         (add_bytes): Remove.
3343         (pass_sprintf_length::compute_format_length): Simplify.
3344         (try_substitute_return_value): Handle likely and unlikely counters.
3346 2017-01-26  Carl Love  <cel@us.ibm.com>
3348         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
3349         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
3351 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
3353         PR target/79131
3354         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
3355         endianess for subregs into account.
3356         * lra-constraints.c (lra_constraints): Do risky transformations
3357         always on the first iteration.
3358         * lra-lives.c (check_pseudos_live_through_calls): Add arg
3359         last_call_used_reg_set.
3360         (process_bb_lives): Define and use last_call_used_reg_set.
3361         * lra.c (lra): Always continue after lra_constraints on the first
3362         iteration.
3364 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
3366         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
3367         constant.
3368         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
3370 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3372         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
3373         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
3374         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
3375         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
3376         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
3377         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
3378         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
3379         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
3380         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
3382 2017-01-26  Marek Polacek  <polacek@redhat.com>
3384         PR c/79199
3385         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
3386         for the third operand.
3388 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3390         PR middle-end/79236
3391         * omp-low.c (struct omp_context): Add simt_stmt field.
3392         (scan_omp_for): Return omp_context *.
3393         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
3394         context to the _simt_ SIMD stmt.
3395         (lower_omp_for): For combined SIMD with sibling _simt_
3396         SIMD, make sure to use the same decls in _looptemp_
3397         clauses as in the sibling.
3399 2017-01-26  David Sherwood  <david.sherwood@arm.com>
3401         PR middle-end/79212
3402         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
3403         all contexts.
3405 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3407         PR target/70465
3408         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
3409         emit fld b; fld a; if possible.
3411         * brig-builtins.def: Update copyright years.
3412         * config/arm/arm_acle_builtins.def: Update copyright years.
3414 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
3416         PR target/79179
3417         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
3418         constraint instead of o for the stxsd instruction.
3420 2017-01-25  Carl Love  <cel@us.ibm.com>
3422         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
3423         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
3425 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
3427         * doc/invoke.texi (C++ Dialect Options): Fix typo.
3429 2017-01-25  Richard Biener  <rguenther@suse.de>
3431         PR tree-optimization/69264
3432         * target.def (vector_alignment_reachable): Improve documentation.
3433         * doc/tm.texi: Regenerate.
3434         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
3435         and add a comment.
3436         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
3437         earlier changes with respect to TYPE_USER_ALIGN.
3438         (vector_alignment_reachable_p): Likewise.  Improve dumping.
3440 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3442         PR target/79145
3443         * config/arm/arm.md (xordi3): Force constant operand into a register
3444         for TARGET_IWMMXT.
3446 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3448         * doc/invoke.texi (-fstore-merging): Correct default optimization
3449         levels at which it is enabled.
3450         (-O): Move -fstore-merging from list to...
3451         (-O2): ... Here.
3453 2017-01-25  Richard Biener  <rguenther@suse.de>
3455         PR debug/78363
3456         * omp-expand.c: Include debug.h.
3457         (expand_omp_taskreg): Make sure to generate early debug before
3458         outlining anything from a function.
3459         (expand_omp_target): Likewise.
3460         (grid_expand_target_grid_body): Likewise.
3462 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
3464         PR lto/79061
3465         * asan.c (get_translation_unit_decl): New function.
3466         (asan_add_global): Extract modules file name from globals
3467         TRANSLATION_UNIT_DECL name.
3469 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
3471         PR target/77439
3472         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
3473         for long calls with APCS frame and VFP.
3475 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
3477         * cfg.c (original_copy_tables_initialized_p): New function.
3478         * cfg.h (original_copy_tables_initialized_p): New decl.
3479         * cfgrtl.c (relink_block_chain): Guard the call to
3480         free_original_copy_tables with a call to
3481         original_copy_tables_initialized_p.
3482         * cgraph.h (symtab_node::native_rtl_p): New decl.
3483         * cgraphunit.c (symtab_node::native_rtl_p): New function.
3484         (symtab_node::needed_p): Don't assert for early assembly output
3485         for __RTL functions.
3486         (cgraph_node::finalize_function): Set "force_output" for __RTL
3487         functions.
3488         (cgraph_node::analyze): Bail out early for __RTL functions.
3489         (analyze_functions): Update assertion to support __RTL functions.
3490         (cgraph_node::expand): Bail out early for __RTL functions.
3491         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
3492         __RTL functions.
3493         * function.h (struct function): Update comment for field
3494         "pass_startwith".
3495         * gimple-expr.c: Include "tree-pass.h".
3496         (gimple_has_body_p): Return false for __RTL functions.
3497         * Makefile.in (OBJS): Add run-rtl-passes.o.
3498         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
3499         accessor.
3500         (gcc::pass_manager::get_clean_slate): New accessor.
3501         * passes.c: Include "insn-addr.h".
3502         (should_skip_pass_p): Add logging.  Update logic for running
3503         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
3504         property-provider override so it is only done for gimple passes.
3505         Don't skip dfinit.
3506         (skip_pass): New function.
3507         (execute_one_pass): Call skip_pass when skipping passes.
3508         * read-md.c (md_reader::read_char): Support filtering
3509         the input to a subset of line numbers.
3510         (md_reader::md_reader): Initialize fields
3511         m_first_line and m_last_line.
3512         (md_reader::read_file_fragment): New function.
3513         * read-md.h (md_reader::read_file_fragment): New decl.
3514         (md_reader::m_first_line): New field.
3515         (md_reader::m_last_line): New field.
3516         * read-rtl-function.c (function_reader::create_function): Only
3517         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
3518         curr_properties.  Set DECL_INITIAL to a dummy block.
3519         (read_rtl_function_body_from_file_range): New function.
3520         * read-rtl-function.h (read_rtl_function_body_from_file_range):
3521         New decl.
3522         * run-rtl-passes.c: New file.
3523         * run-rtl-passes.h: New file.
3525 2017-01-24 Jeff Law  <law@redhat.com>
3527         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
3528         buffer size.
3530 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
3532         PR tree-optimization/79159
3533         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
3534         (record_nonwrapping_iv): Improve boundary using above function if no
3535         value range information.
3537 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
3538             Martin Jambor  <mjambor@suse.cz>
3540         * brig-builtins.def: New file.
3541         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
3542         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
3543         (DEF_HSAIL_SAT_BUILTIN): Likewise.
3544         (DEF_HSAIL_INTR_BUILTIN): Likewise.
3545         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
3546         * builtin-types.def (BT_INT8): New.
3547         (BT_INT16): Likewise.
3548         (BT_UINT8): Likewise.
3549         (BT_UINT16): Likewise.
3550         (BT_FN_ULONG): Likewise.
3551         (BT_FN_UINT_INT): Likewise.
3552         (BT_FN_UINT_ULONG): Likewise.
3553         (BT_FN_UINT_LONG): Likewise.
3554         (BT_FN_UINT_PTR): Likewise.
3555         (BT_FN_ULONG_PTR): Likewise.
3556         (BT_FN_INT8_FLOAT): Likewise.
3557         (BT_FN_INT16_FLOAT): Likewise.
3558         (BT_FN_UINT32_FLOAT): Likewise.
3559         (BT_FN_UINT16_FLOAT): Likewise.
3560         (BT_FN_UINT8_FLOAT): Likewise.
3561         (BT_FN_UINT64_FLOAT): Likewise.
3562         (BT_FN_UINT16_UINT32): Likewise.
3563         (BT_FN_UINT32_UINT16): Likewise.
3564         (BT_FN_UINT16_UINT16_UINT16): Likewise.
3565         (BT_FN_INT_PTR_INT): Likewise.
3566         (BT_FN_UINT_PTR_UINT): Likewise.
3567         (BT_FN_LONG_PTR_LONG): Likewise.
3568         (BT_FN_ULONG_PTR_ULONG): Likewise.
3569         (BT_FN_VOID_UINT64_UINT64): Likewise.
3570         (BT_FN_UINT8_UINT8_UINT8): Likewise.
3571         (BT_FN_INT8_INT8_INT8): Likewise.
3572         (BT_FN_INT16_INT16_INT16): Likewise.
3573         (BT_FN_INT_INT_INT): Likewise.
3574         (BT_FN_UINT_FLOAT_UINT): Likewise.
3575         (BT_FN_FLOAT_UINT_UINT): Likewise.
3576         (BT_FN_ULONG_UINT_UINT): Likewise.
3577         (BT_FN_ULONG_UINT_PTR): Likewise.
3578         (BT_FN_ULONG_ULONG_ULONG): Likewise.
3579         (BT_FN_UINT_UINT_UINT): Likewise.
3580         (BT_FN_VOID_UINT_PTR): Likewise.
3581         (BT_FN_UINT_UINT_PTR: Likewise.
3582         (BT_FN_UINT32_UINT64_PTR): Likewise.
3583         (BT_FN_INT_INT_UINT_UINT): Likewise.
3584         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
3585         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
3586         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
3587         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
3588         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
3589         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
3590         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
3591         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
3592         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
3593         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
3594         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
3595         * doc/frontends.texi: List BRIG FE.
3596         * doc/install.texi (Testing): Add BRIG tesring requirements.
3597         * doc/invoke.texi (Overall Options): Mention BRIG.
3598         * doc/standards.texi (Standards): Doucment BRIG HSA version.
3600 2017-01-24  Richard Biener  <rguenther@suse.de>
3602         PR translation/79208
3603         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
3605 2017-01-24  Martin Jambor  <mjambor@suse.cz>
3607         PR bootstrap/79198
3608         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
3609         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
3610         and known_contexts.
3612 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
3614         PR middle-end/79123
3615         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
3616         casts from signed to unsigned really don't have a range.
3618 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
3620         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
3621         GMP_RNDx for compatiblity.
3623 2017-01-24  Martin Liska  <mliska@suse.cz>
3625         PR bootstrap/79132
3626         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
3627         that would prevent us to call alloca with -1 as argument.
3629 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
3631         * dwarf2out.c (output_compilation_unit_header, output_file_names):
3632         Avoid -Wformat-security warning.
3634 2017-01-23  Andrew Pinski  <apinski@cavium.com>
3636         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
3637         cost table.
3639 2017-01-23  Martin Sebor  <msebor@redhat.com>
3641         PR middle-end/78703
3642         * gimple-ssa-sprintf.c (warn_level): New global.
3643         (format_integer): Use it here and throughout the rest of the file.
3644         Use the same switch to compute sign as base.
3645         (maybe_warn): New function.
3646         (format_directive): Factor out warnings into maybe_warn.
3647         Add debugging output.  Use warn_level.
3648         (add_bytes): Use warn_level.
3649         (pass_sprintf_length::compute_format_length): Add debugging output.
3650         (try_substitute_return_value): Same.
3651         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
3653         PR middle-end/78703
3654         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
3655         (struct fmtresult, format_integer, format_floating): Adjust.
3656         (fmtresult::fmtresult): Set max correctly in two argument ctor.
3657         (get_string_length, format_string,format_directive): Same.
3658         (pass_sprintf_length::compute_format_length): Same.
3659         (try_substitute_return_value): Simplify slightly.
3661         PR middle-end/78703
3662         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
3663         (fmtresult::operator+=): Outlined.
3664         (struct fmtresult): Add ctors.
3665         (struct conversion_spec): Rename...
3666         (struct directive): ...to this.  Add and remove data members.
3667         (directive::set_width, directive::set_precision): New functions.
3668         (format_percent): Use fmtresult ctor.
3669         (get_width_and_precision): Remove.
3670         (format_integer): Make naming changes.  Avoid computing width and
3671         precision.
3672         (format_floating): Same.  Adjust indentation.
3673         (format_character, format_none): New functions.
3674         (format_string): Moved character handling to format_character.
3675         (format_directive): Remove arguments, change return type.
3676         (parse_directive): New function.
3677         (pass_sprintf_length::compute_format_length): Move directive
3678         parsing to parse_directive.
3680 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
3682         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
3683         (assign_assembler_name_if_needed): ... this.
3684         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
3685         (assign_assembler_name_if_needed): ... this.
3686         (free_lang_data_in_cgraph): Adjust callers.
3687         * cgraphunit.c (cgraph_node::analyze): Likewise.
3688         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
3689         Likewise.
3691 2017-01-23  Richard Biener  <rguenther@suse.de>
3693         PR tree-optimization/79088
3694         PR tree-optimization/79188
3695         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
3696         resetting loop bounds after last path deletion.  Reset loop
3697         bounds of the target loop, make code match the comments.
3698         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
3699         Make sure loops need no fixups.
3701 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3703         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
3704         exponent support with double type for first argument.
3705         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
3706         type returned by __builtin_vec_extract_sig,
3707         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
3708         functions from "vector int" to "vector unsigned int" or from
3709         "vector long long int" to "vector unsigned long long int".
3710         Changed type returned by __builtin_vec_extract_exp,
3711         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
3712         functions from "vector int" to "vector unsigned int" or from
3713         "vector long long int" to "vector unsigned long long int".
3714         Changed return type of __builtin_vec_test_data_class,
3715         __builtin_vec_test_data_class_sp, and
3716         __builtin_vec_test_data_class_dp from "vector int" to
3717         "vector bool int" or from "vector long long int" to "vector bool
3718         long long int" and changed second argument type from "unsigned
3719         int" to "int".  Added new overloaded function forms "vector float
3720         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
3721         "vector float __builtin_vec_insert_exp_sp (vector float, vector
3722         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
3723         double, vector unsigned long long int)" and "vector double
3724         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
3725         long int)".  Changed return type of
3726         __builtin_scalar_test_data_class and
3727         __builtin_scalar_test_data_class_sp and
3728         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
3729         int" and changed second argument from "unsigned int" to "int".
3730         Changed type returned by __builtin_scalar_test_neg,
3731         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
3732         from "int" to "bool int".  Added new overloaded function form
3733         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
3734         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
3735         exponent double-precision with floating point first argument.
3736         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
3737         documentation of scalar_test_data_class, scalar_test_neg,
3738         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
3739         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
3740         vec_test_data_class built-in functions to reflect refinements in
3741         their type signatures.
3743 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
3745         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
3746         size of buf.
3747         (aarch64_elf_asm_destructor): Likewise.
3749 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
3751         PR rtl-optimization/78634
3752         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
3753         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
3754         * ifcvt.c (noce_try_cmove): Add missing cost check.
3756         PR rtl-optimization/71724
3757         * combine.c (if_then_else_cond): Look for situations where it is
3758         beneficial to undo the work of one of the recursive calls.
3760 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
3762         PR tree-optimization/70754
3763         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
3764         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
3765         combined stmt before it if not NULL.
3766         (combine_chains): Process refs reversely and compute dominance point
3767         for root ref.
3769 2017-01-23  Martin Liska  <mliska@suse.cz>
3771         PR tree-optimization/79196
3772         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
3773         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
3774         instead of memcmp.
3775         (strlen_optimize_stmt): Call the renamed function.
3777 2017-01-23  Michael Matz  <matz@suse.de>
3779         PR tree-optimization/78384
3780         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
3782 2017-01-23  Richard Biener  <rguenther@suse.de>
3784         PR tree-optimization/79186
3785         * tree-vrp.c (register_new_assert_for): Make sure we've seen
3786         both incoming edges before moving an assert.
3788 2017-01-23  Martin Jambor  <mjambor@suse.cz>
3790         * ipa-prop.c (load_from_param_1): Removed.
3791         (load_from_unmodified_param): Bits from load_from_param_1 put back
3792         here.
3793         (load_from_param): Removed.
3794         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
3795         with stmt.  Reverted back to use of load_from_unmodified_param.
3797 2017-01-23  Martin Jambor  <mjambor@suse.cz>
3799         PR ipa/79108
3800         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
3801         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
3802         field a pointer to garbage collected vector, mark lattices and
3803         ipcp_orig_node with GTY((skip)).
3804         (ipa_get_param_count): Adjust to descriptors being a pointer.
3805         (ipa_get_param): Likewise.
3806         (ipa_get_type): Likewise.
3807         (ipa_get_param_move_cost): Likewise.
3808         (ipa_set_param_used): Likewise.
3809         (ipa_get_controlled_uses): Likewise.
3810         (ipa_set_controlled_uses): Likewise.
3811         (ipa_is_param_used): Likewise.
3812         (ipa_node_params_t): Move into garbage collector.  New methods insert
3813         and remove.
3814         (ipa_node_params_sum): Annotate wth GTY(()).
3815         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
3816         garbage collected.
3817         (ipa_load_from_parm_agg): Adjust declaration.
3818         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
3819         * ipa-profile.c (ipa_profile): Likewise.
3820         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
3821         (ipa_populate_param_decls): Make descriptors parameter garbage
3822         collected.
3823         (ipa_dump_param): Adjust to descriptors being a pointer.
3824         (ipa_alloc_node_params): Likewise.
3825         (ipa_initialize_node_params): Likewise.
3826         (load_from_param_1): Make descriptors parameter garbage collected.
3827         (load_from_unmodified_param): Likewise.
3828         (load_from_param): Likewise.
3829         (ipa_load_from_parm_agg): Likewise.
3830         (ipa_node_params::~ipa_node_params): Removed.
3831         (ipa_free_all_node_params): Remove call to delete operator.
3832         (ipa_node_params_t::insert): New.
3833         (ipa_node_params_t::remove): Likewise.
3834         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
3835         copy known_csts and known_contexts vectors.
3836         (ipa_read_node_info): Adjust to descriptors being a pointer.
3837         (ipcp_modif_dom_walker): Make m_descriptors field garbage
3838         collected.
3839         (ipcp_transform_function): Make descriptors variable garbage
3840         collected.
3842 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
3844         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
3845         * config/i386/avx512dqintrin.h: Ditto.
3846         * config/i386/avx512fintrin.h: Ditto.
3847         * gcc/config/i386/i386.c: Handle new builtins.
3848         * config/i386/i386-builtin.def: Add new builtins.
3849         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
3850         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
3852 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
3853             Martin Liska  <mliska@suse.cz>
3855         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
3856         * asan.c (asan_expand_poison_ifn): Support stores and use
3857         appropriate ASAN report function.
3858         * internal-fn.c (expand_ASAN_POISON_USE): New function.
3859         * internal-fn.def (ASAN_POISON_USE): Declare.
3860         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
3861         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
3862         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
3863         ASAN_POISON calls w/o LHS.
3864         * tree-ssa.c (execute_update_addresses_taken): Create clobber
3865         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
3866         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
3867         * gimplify.c (asan_poison_variables): Add attribute
3868         use_after_scope_memory to variables that really needs to live
3869         in memory.
3870         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
3871         having the attribute.
3873 2017-01-23  Martin Liska  <mliska@suse.cz>
3875         * asan.c (create_asan_shadow_var): New function.
3876         (asan_expand_poison_ifn): Likewise.
3877         * asan.h (asan_expand_poison_ifn): New declaration.
3878         * internal-fn.c (expand_ASAN_POISON): Likewise.
3879         * internal-fn.def (ASAN_POISON): New builtin.
3880         * sanopt.c (pass_sanopt::execute): Expand
3881         asan_expand_poison_ifn.
3882         * tree-inline.c (copy_decl_for_dup_finish): Make function
3883         external.
3884         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
3885         * tree-ssa.c (is_asan_mark_p): New function.
3886         (execute_update_addresses_taken): Rewrite local variables
3887         (identified just by use-after-scope as addressable) into SSA.
3889 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3891         * doc/install.texi (Specific): opensource.apple.com uses https
3892         now. Remove trailing slash.
3894 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3896         * README.Portability: Remove note on an Irix compatibility issue.
3898 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
3900         * gcov.c (INCLUDE_ALGORITHM): Define.
3901         (INCLUDE_VECTOR): Define.
3902         No longer include <vector> and <algorithm> directly.
3904 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
3906         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
3907         to https.
3908         * doc/invoke.texi (Code Gen Options): Ditto.
3910 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
3912         PR lto/78407
3913         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
3915 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
3917         rtl-optimization/79125
3918         * cprop.c (local_cprop_pass): Handle cases where we make an
3919         unconditional trap.
3921 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
3923         PR target/61729
3924         PR target/77850
3925         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
3926         read from, for big endian.
3928 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
3930         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
3931         register pauth builtins for LP64 only.
3933 2017-01-20  Marek Polacek  <polacek@redhat.com>
3935         PR c/79152
3936         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
3937         non-case labels.
3939 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
3941         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
3942         of safelen status.
3943         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
3944         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
3945         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
3947 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3949         PR target/71270
3950         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
3951         in big-endian mode when they are not a single duplicated value.
3953 2017-01-20  Richard Biener  <rguenther@suse.de>
3955         * BASE-VER: Bump to 7.0.1.
3957 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
3959         * omp-low.c (omplow_simd_context): New struct.  Use it...
3960         (lower_rec_simd_input_clauses): ...here and...
3961         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
3962         references to idx, lane, max_vf, is_simt.
3964 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
3966         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
3967         mcpu=nps400.
3969 2017-01-20  Martin Jambor  <mjambor@suse.cz>
3971         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
3972         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
3973         gt-hsa-common.h.
3974         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
3975         (GTFILES): Rename hsa.c to hsa-common.c.
3976         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
3977         * hsa-dump.c: Likewise.
3978         * hsa-gen.c: Likewise.
3979         * hsa-regalloc.c: Likewise.
3980         * ipa-hsa.c: Likewise.
3981         * omp-expand.c: Likewise.
3982         * omp-low.c: Likewise.
3983         * toplev.c: Likewise.
3985 2017-01-20  Marek Polacek  <polacek@redhat.com>
3987         PR c/64279
3988         * doc/invoke.texi: Document -Wduplicated-branches.
3989         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
3990         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
3991         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
3992         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
3993         return 0 only when not OEP_LEXICOGRAPHIC.
3994         (fold_build_cleanup_point_expr): Use the expression
3995         location when building CLEANUP_POINT_EXPR.
3996         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
3997         * tree.c (add_expr): Handle error_mark_node.
3999 2017-01-20  Martin Liska  <mliska@suse.cz>
4001         PR lto/69188
4002         * tree-profile.c (init_ic_make_global_vars): Do not call
4003         finalize_decl.
4004         (gimple_init_gcov_profiler): Likewise.
4006 2017-01-20  Martin Liska  <mliska@suse.cz>
4008         PR ipa/71190
4009         * cgraph.h (maybe_create_reference): Remove argument and
4010         update comment.
4011         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
4012         argument.
4013         * ipa-cp.c (create_specialized_node): Likewise.
4014         * symtab.c (symtab_node::maybe_create_reference): Handle
4015         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
4017 2017-01-20  Martin Liska  <mliska@suse.cz>
4019         * read-rtl-function.c (function_reader::create_function): Use
4020         build_decl instread of build_decl_stat.
4022 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
4024         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
4025         * config/i386/avx512dqintrin.h: Ditto.
4026         * config/i386/avx512fintrin.h: Ditto.
4027         * config/i386/i386-builtin-types.def: Add new types.
4028         * gcc/config/i386/i386.c: Handle new types.
4029         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
4030         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
4031         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
4032         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
4033         (__builtin_ia32_kshiftridi): New.
4034         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
4036 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
4038         PR target/78875
4039         PR target/79140
4040         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
4041         define to rs6000_init_stack_protect_guard.
4042         (rs6000_init_stack_protect_guard): New function.
4044 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
4045             Yunqiang Su  <yunqiang.su@imgtec.com>
4047         * config.gcc (supported_defaults): Add madd4.
4048         (with_madd4): Add validation.
4049         (all_defaults): Add madd4.
4050         * config/mips/mips.opt (mmadd4): New option.
4051         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
4052         mmadd4.
4053         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
4054         __mips_no_madd4.
4055         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
4056         (ISA_HAS_FUSED_MADD4): Likewise.
4057         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
4058         * gcc/doc/install.texi (--with-madd4): Document the new option.
4060 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4062         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
4063         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
4064         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
4065         (aarch64_init_pauth_hint_builtins): New.
4066         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
4067         (aarch64_expand_builtin): Expand new builtins.
4069 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4071         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
4072         * combine-stack-adj.c (no_unhandled_cfa): Handle
4073         REG_CFA_TOGGLE_RA_MANGLE.
4074         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
4075         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
4076         info for return address signing.
4077         (aarch64_expand_epilogue): Likewise.
4079 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4081         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
4082         * config/aarch64/aarch64-protos.h
4083         (aarch64_return_address_signing_enabled): New declaration.
4084         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
4085         New function.
4086         (aarch64_expand_prologue): Sign return address before it's pushed onto
4087         stack.
4088         (aarch64_expand_epilogue): Authenticate return address fetched from
4089         stack.
4090         (aarch64_override_options): Sanity check for ILP32 and ISA level.
4091         (aarch64_attributes): New function attributes for "sign-return-address".
4092         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
4093         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
4094         ("*do_return"): Generate combined instructions according to key index.
4095         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
4096         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
4097         iterators.
4098         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
4099         * config/aarch64/aarch64.opt (msign-return-address=): New.
4100         * doc/extend.texi (AArch64 Function Attributes): Documents
4101         "sign-return-address=".
4102         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
4104 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
4106         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
4107         overall option summary.
4109 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
4111         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
4112         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
4113         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
4114         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
4116 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
4118         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
4119         -mpower9-minmax by default for -mcpu=power9.
4120         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
4121         128-bit floating point.
4123 2017-01-20  Alan Modra  <amodra@gmail.com>
4125         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
4126         optimizing for size.
4128 2017-01-20  Alan Modra  <amodra@gmail.com>
4130         PR target/79144
4131         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
4132         for strcmp and strncmp from corresponding builtin decl.
4134 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
4136         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
4137         instead of i386/rtems-64.h.
4138         * config/i386/rtems-64.h: Remove.
4140 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
4142         PR target/78478
4143         Revert:
4144         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
4146         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
4148 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
4150         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
4151         Change int to HOST_WIDE_INT.
4152         * config/aarch64/aarch64-protos.h
4153         (aarch64_simd_gen_const_vector_dup): Likewise.
4154         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
4156 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
4158         * langhooks-def.h (lhd_type_for_size): New decl.
4159         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
4160         * langhooks.c (lhd_type_for_size): New function, taken from
4161         lto_type_for_size.
4163 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
4165         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
4166         define_bypass for CR latency.
4167         (power9-cracked-alu): Update bypass latency and remove power9-branch.
4168         (power9-alu2): Add define_bypass for CR latency.
4169         (power9-cmp): New.
4170         (power9-mul): Update insn latency.
4171         (power9-mul-compare): Update insn latency, bypass latency and remove
4172         power9-branch.
4174 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4176         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
4177         Delete.
4178         * config/aarch64/aarch64.md
4179         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
4180         aarch64_nopcrelative_literal_loads.
4181         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
4183 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
4185         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
4186         TARGET_LOONGSON_3A.
4187         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
4189 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
4191         PR target/78176
4192         * config.gcc (supported_defaults): Add lxc1-sxc1.
4193         (with_lxc1_sxc1): Add validation.
4194         (all_defaults): Add lxc1-sxc1.
4195         * config/mips/mips.opt (mlxc1-sxc1): New option.
4196         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
4197         mlxc1-sxc1.
4198         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
4199         __mips_no_lxc1_sxc1.
4200         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
4201         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
4202         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
4204 2017-01-19  Richard Biener  <rguenther@suse.de>
4206         PR tree-optimization/72488
4207         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
4208         sure to restore SSA info.
4209         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
4211 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
4213         PR rtl-optimization/79121
4214         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
4215         of the inner type when shifting an extended value.
4217 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
4219         PR lto/78407
4220         * symtab.c (symtab_node::equal_address_to): Fix comparing of
4221         interposable aliases.
4223 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
4225         PR target/78516
4226         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
4227         Use the evmergelohi instruction.
4228         (mov_si<mode>_e500_subreg4_2_le): Likewise.
4229         (mov_sitf_e500_subreg8_2_be): Likewise.
4230         (mov_sitf_e500_subreg12_2_le): Likewise.
4231         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
4232         (mov_si<mode>_e500_subreg4_2_be): Likewise.
4233         (mov_sitf_e500_subreg8_2_le): Likewise.
4234         (mov_sitf_e500_subreg12_2_be): Likewise.
4236 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4238         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
4239         attribute from vecsimple to vecperm.
4240         (altivec_vbpermq2): Likewise.
4242 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4244         PR target/79040
4245         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
4247 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4248         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
4249         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
4250         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
4251         case where N arg is SIZE_MAX.
4252         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
4253         (cmpstrsi): Add pattern.
4255 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4257         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4258         __builtin_vec_revb builtins.
4259         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
4260         built-in functions to support generation of the ISA 3.0 XXBR<x>
4261         vector byte reverse instructions.
4262         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
4263         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
4264         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
4265         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
4266         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
4267         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
4268         (P9V_BUILTIN_VEC_REVB): Likewise.
4269         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
4270         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
4271         (p9_xxbrq_v16qi): Likewise.
4272         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
4273         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
4274         (p9_xxbrh_v8hi): Likewise.
4275         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
4276         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
4277         vec_revb built-in functions.
4279 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
4281         PR rtl-optimization/78952
4282         * config/i386/i386.md (any_extract): New code iterator.
4283         (*insvqi_2): Use any_extract for source operand.
4284         (*insvqi_3): Use any_shiftrt for source operand.
4286 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
4288         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
4289         New function.
4290         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
4292 2017-01-18  Matthias Klose  <doko@ubuntu.com>
4294         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
4296 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4298         * config/rs6000/altivec.h (vec_bperm): Change #define.
4299         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
4300         (altivec_vbpermq2): New define_insn.
4301         (altivec_vbpermd): Likewise.
4302         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
4303         function interface.
4304         (VBPERMD): Likewise.
4305         (VBPERM): New polymorphic function interface.
4306         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
4307         Add entries for P9V_BUILTIN_VEC_VBPERM.
4308         * doc/extend.texi: Add interfaces for vec_bperm.
4310 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4312         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
4313         first letter of error messages.
4314         (s390_resolve_overloaded_builtin): Likewise.
4315         * config/s390/s390.c (s390_expand_builtin): Likewise.
4316         (s390_invalid_arg_for_unprototyped_fn): Likewise.
4317         (s390_valid_target_attribute_inner_p): Likewise.
4318         * config/s390/s390.md ("tabort"): Likewise.
4320 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
4322         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
4323         (ISA_AVOID_DIV_HILO): New macro.
4324         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
4325         (ISA_HAS_DDIV): Likewise.
4327 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4329         * doc/invoke.texi (fabi-version): Correct number of occurrences.
4331 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4333         * doc/invoke.texi (fabi-version): Spelling fix.
4335 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4337         PR c++/70182
4338         * doc/invoke.texi (fabi-version): Mention mangling fix for
4339         operator names.
4341 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4343         PR c++/77489
4344         * doc/invoke.texi (fabi-version): Document discriminator mangling.
4346 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
4348         PR target/78875
4349         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
4350         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
4351         the new options.
4352         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
4353         flexible settings.
4354         (stack_protect_test): Ditto.
4355         * config/rs6000/rs6000.opt (mstack-protector-guard=,
4356         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
4357         options.
4358         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
4359         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
4360         -mstack-protector-guard-offset=.
4361         (RS/6000 and PowerPC Options): Ditto.
4363 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
4365         * config/i386/i386.h (MASK_CLASS_P): New define.
4366         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
4367         there are no registers from different register sets also when
4368         mask registers are used.  Update function comment.
4369         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
4370         to (*k/*r) and (*k/*km) alternatives.
4372 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
4374         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
4375         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
4376         (EH_RETURN_HANDLER_RTX): New define.
4377         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
4378         Force frame pointer in EH return functions.
4379         (aarch64_expand_epilogue): Add barrier for eh_return.
4380         (aarch64_final_eh_return_addr): Remove.
4381         (aarch64_eh_return_handler_rtx): New function.
4382         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
4383         Remove.
4384         (aarch64_eh_return_handler_rtx): New prototype.
4386 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4388         * config/rs6000/altivec.h (vec_rlmi): New #define.
4389         (vec_vrlnm): Likewise.
4390         (vec_rlnm): Likewise.
4391         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
4392         (UNSPEC_VRLNM): Likewise.
4393         (VIlong): New mode iterator.
4394         (altivec_vrl<VI_char>mi): New define_insn.
4395         (altivec_vrl<VI_char>nm): Likewise.
4396         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
4397         function entry.
4398         (VRLDNM): Likewise.
4399         (RLNM): New polymorphic function entry.
4400         (VRLWMI): New monomorphic function entry.
4401         (VRLDMI): Likewise.
4402         (RLMI): New polymorphic function entry.
4403         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
4404         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
4405         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
4406         vec_vrlnm.
4408 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
4410         PR debug/78839
4411         * dwarf2out.c (field_byte_offset): Restore the
4412         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
4413         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
4414         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
4415         of build2 + fold.
4417 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4419         PR ada/67205
4420         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
4422 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
4424         PR debug/71669
4425         * dwarf2out.c (add_data_member_location_attribute): For constant
4426         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
4427         instead of DW_AT_data_member_location, DW_AT_bit_offset and
4428         DW_AT_byte_size attributes.
4430 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4432         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
4433         after forcing to constant memory when the code model is medium.
4435 2017-01-17  Julia Koval  <julia.koval@intel.com>
4437         PR target/76731
4438         * config/i386/avx512fintrin.h
4439         (_mm512_i32gather_ps): Change __addr type to void const*.
4440         (_mm512_mask_i32gather_ps): Ditto.
4441         (_mm512_i32gather_pd): Ditto.
4442         (_mm512_mask_i32gather_pd): Ditto.
4443         (_mm512_i64gather_ps): Ditto.
4444         (_mm512_mask_i64gather_ps): Ditto.
4445         (_mm512_i64gather_pd): Ditto.
4446         (_mm512_mask_i64gather_pd): Ditto.
4447         (_mm512_i32gather_epi32): Ditto.
4448         (_mm512_mask_i32gather_epi32): Ditto.
4449         (_mm512_i32gather_epi64): Ditto.
4450         (_mm512_mask_i32gather_epi64): Ditto.
4451         (_mm512_i64gather_epi32): Ditto.
4452         (_mm512_mask_i64gather_epi32): Ditto.
4453         (_mm512_i64gather_epi64): Ditto.
4454         (_mm512_mask_i64gather_epi64): Ditto.
4455         (_mm512_i32scatter_ps): Change __addr type to void*.
4456         (_mm512_mask_i32scatter_ps): Ditto.
4457         (_mm512_i32scatter_pd): Ditto.
4458         (_mm512_mask_i32scatter_pd): Ditto.
4459         (_mm512_i64scatter_ps): Ditto.
4460         (_mm512_mask_i64scatter_ps): Ditto.
4461         (_mm512_i64scatter_pd): Ditto.
4462         (_mm512_mask_i64scatter_pd): Ditto.
4463         (_mm512_i32scatter_epi32): Ditto.
4464         (_mm512_mask_i32scatter_epi32): Ditto.
4465         (_mm512_i32scatter_epi64): Ditto.
4466         (_mm512_mask_i32scatter_epi64): Ditto.
4467         (_mm512_i64scatter_epi32): Ditto.
4468         (_mm512_mask_i64scatter_epi32): Ditto.
4469         (_mm512_i64scatter_epi64): Ditto.
4470         (_mm512_mask_i64scatter_epi64): Ditto.
4471         * config/i386/avx512pfintrin.h
4472         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
4473         (_mm512_mask_prefetch_i32gather_ps): Ditto.
4474         (_mm512_mask_prefetch_i64gather_pd): Ditto.
4475         (_mm512_mask_prefetch_i64gather_ps): Ditto.
4476         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
4477         (_mm512_prefetch_i32scatter_ps): Ditto.
4478         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
4479         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
4480         (_mm512_prefetch_i64scatter_pd): Ditto.
4481         (_mm512_prefetch_i64scatter_ps): Ditto.
4482         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
4483         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
4484         * config/i386/avx512vlintrin.h
4485         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
4486         (_mm_mmask_i32gather_ps): Ditto.
4487         (_mm256_mmask_i32gather_pd): Ditto.
4488         (_mm_mmask_i32gather_pd): Ditto.
4489         (_mm256_mmask_i64gather_ps): Ditto.
4490         (_mm_mmask_i64gather_ps): Ditto.
4491         (_mm256_mmask_i64gather_pd): Ditto.
4492         (_mm_mmask_i64gather_pd): Ditto.
4493         (_mm256_mmask_i32gather_epi32): Ditto.
4494         (_mm_mmask_i32gather_epi32): Ditto.
4495         (_mm256_mmask_i32gather_epi64): Ditto.
4496         (_mm_mmask_i32gather_epi64): Ditto.
4497         (_mm256_mmask_i64gather_epi32): Ditto.
4498         (_mm_mmask_i64gather_epi32): Ditto.
4499         (_mm256_mmask_i64gather_epi64): Ditto.
4500         (_mm_mmask_i64gather_epi64): Ditto.
4501         (_mm256_i32scatter_ps): Change __addr type to void*.
4502         (_mm256_mask_i32scatter_ps): Ditto.
4503         (_mm_i32scatter_ps): Ditto.
4504         (_mm_mask_i32scatter_ps): Ditto.
4505         (_mm256_i32scatter_pd): Ditto.
4506         (_mm256_mask_i32scatter_pd): Ditto.
4507         (_mm_i32scatter_pd): Ditto.
4508         (_mm_mask_i32scatter_pd): Ditto.
4509         (_mm256_i64scatter_ps): Ditto.
4510         (_mm256_mask_i64scatter_ps): Ditto.
4511         (_mm_i64scatter_ps): Ditto.
4512         (_mm_mask_i64scatter_ps): Ditto.
4513         (_mm256_i64scatter_pd): Ditto.
4514         (_mm256_mask_i64scatter_pd): Ditto.
4515         (_mm_i64scatter_pd): Ditto.
4516         (_mm_mask_i64scatter_pd): Ditto.
4517         (_mm256_i32scatter_epi32): Ditto.
4518         (_mm256_mask_i32scatter_epi32): Ditto.
4519         (_mm_i32scatter_epi32): Ditto.
4520         (_mm_mask_i32scatter_epi32): Ditto.
4521         (_mm256_i32scatter_epi64): Ditto.
4522         (_mm256_mask_i32scatter_epi64): Ditto.
4523         (_mm_i32scatter_epi64): Ditto.
4524         (_mm_mask_i32scatter_epi64): Ditto.
4525         (_mm256_i64scatter_epi32): Ditto.
4526         (_mm256_mask_i64scatter_epi32): Ditto.
4527         (_mm_i64scatter_epi32): Ditto.
4528         (_mm_mask_i64scatter_epi32): Ditto.
4529         (_mm256_i64scatter_epi64): Ditto.
4530         (_mm256_mask_i64scatter_epi64): Ditto.
4531         (_mm_i64scatter_epi64): Ditto.
4532         (_mm_mask_i64scatter_epi64): Ditto.
4533         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
4534         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
4535         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
4536         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
4537         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
4538         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
4539         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
4540         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
4541         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
4542         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
4543         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
4544         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
4545         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
4546         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
4547         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
4548         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
4549         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
4550         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
4551         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
4552         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
4553         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
4554         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
4555         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
4556         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
4557         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
4558         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
4559         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
4560         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
4561         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
4562         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
4563         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
4564         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
4565         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
4566         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
4567         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
4568         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
4569         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
4570         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
4571         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
4572         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
4573         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
4574         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
4575         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
4576         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
4577         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
4578         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
4579         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
4580         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
4581         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
4582         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
4583         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
4584         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
4585         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
4586         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
4587         definitions accordingly.
4589 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
4590             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
4592         PR target/79079
4593         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
4594         gen_lowpart.
4596 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
4598         PR target/79058
4599         * ira-conflicts.c (ira_build_conflicts): Update total conflict
4600         hard regs for inner regno.
4602 2017-01-17  Martin Liska  <mliska@suse.cz>
4604         PR ipa/71207
4605         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
4606         assumption and add comment.
4608 2017-01-17  Nathan Sidwell  <nathan@acm.org>
4610         * ipa-visibility.c (localize_node): New function, broken out of ...
4611         (function_and_variable_visibility): ... here. Call it.
4613 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
4615         PR middle-end/77445
4616         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
4617         correctly set frequency of oudgoing edge.
4618         (duplicate_thread_path): Fix profile updating.
4620 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
4622         PR other/79046
4623         * configure.ac: Add GCC_BASE_VER.
4624         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
4625         version from BASE-VER file.
4626         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
4627         (gcc.o): Depend on $(BASEVER).
4628         * common.opt (dumpfullversion): New option.
4629         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
4630         * doc/invoke.texi: Document -dumpfullversion.
4631         * doc/install.texi: Document --with-gcc-major-version-only.
4632         * configure: Regenerated.
4634 2017-01-17  Richard Biener  <rguenther@suse.de>
4636         PR tree-optimization/71433
4637         * tree-vrp.c (register_new_assert_for): Merge same asserts
4638         on all incoming edges.
4639         (process_assert_insertions_for): Handle insertions at the
4640         beginning of BBs.
4642 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
4644         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
4645         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
4647 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4649         PR target/78633
4650         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
4651         RTL sharing.
4653 2017-01-17  Alan Modra  <amodra@gmail.com>
4655         PR target/79066
4656         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
4657         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
4658         symbolic stack limit when pic.
4660 2017-01-16  Martin Sebor  <msebor@redhat.com>
4662         PR tree-optimization/78608
4663         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
4665 2017-01-16  Jeff Law  <law@redhat.com>
4667         Revert:
4668         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
4669         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
4670         for several include directories that may be relative to sysroot.
4671         * config/i386/x-mingw32 (gplus_includedir): Define.
4672         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
4673         (native_system_includedir): Likewise.
4674         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
4675         override if TARGET_SYSTEM_ROOT is defined.
4676         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
4678         PR tree-optimization/79090
4679         PR tree-optimization/33562
4680         PR tree-optimization/61912
4681         PR tree-optimization/77485
4682         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
4683         and computed trims into the dump file.
4685 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
4687         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
4689 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
4691         PR c/79089
4692         * gimplify.c (gimplify_init_constructor): If want_value and
4693         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
4694         fix.
4696         PR target/79080
4697         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
4698         sequence.  Formatting fixes.
4699         (doloop_optimize): Formatting fixes.
4701         PR driver/49726
4702         * gcc.c (debug_level_greater_than_spec_func): New function.
4703         (static_spec_functions): Add debug-level-gt spec function.
4704         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
4705         !g0.
4706         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
4707         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
4708         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
4709         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
4710         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
4711         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
4713 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
4715         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
4716         QImode fixups to general and mask registers only.
4718 2017-01-16  Carl Love  <cel@us.ibm.com>
4720         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
4721         for built-in functions
4722         vector signed char vec_nabs (vector signed char)
4723         vector signed short vec_nabs (vector signed short)
4724         vector signed int vec_nabs (vector signed int)
4725         vector signed long long vec_nabs (vector signed long long)
4726         vector float vec_nabs (vector float)
4727         vector double vec_nabs (vector double)
4728         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
4729         and NABS overload.
4730         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
4731         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
4732         * doc/extend.texi: Update the documentation file for the new built-in
4733         functions.
4735 2017-01-16  Martin Sebor  <msebor@redhat.com>
4737         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
4738         message.
4740 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4742         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
4743         UNSPEC_VSX__XXSPLTD to require special splat handling.
4745 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
4747         PR bootstrap/78616
4748         * system.h: Poison strndup.
4750 2017-01-16  Alan Modra  <amodra@gmail.com>
4752         PR target/79098
4753         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
4754         use a switch.
4756 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
4758         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
4760 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
4762         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
4763         call recog here.  Assert that INSN_CODE (insn) is non-negative.
4765 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
4767         PR target/72749
4768         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
4769         fallthrough.
4770         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
4771         in the currently scheduled RTL fragment.
4773 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
4775         PR rtl-optimization/78751
4776         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
4777         give up.
4779 2017-01-14  Jeff Law  <law@redhat.com>
4781         PR tree-optimization/79090
4782         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
4783         variable length stores.
4784         (compute_trims): Delete dead assignment to *trim_tail.
4785         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
4786         zero length.
4788 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
4790         PR rtl-optimization/78626
4791         PR rtl-optimization/78727
4792         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
4793         of a block, and split such blocks after everything else is finished.
4795 2017-01-14  Alan Modra  <amodra@gmail.com>
4797         PR target/72749
4798         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
4799         target legitimate_combined_insn.
4800         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
4801         (rs6000_legitimate_combined_insn): New function.
4802         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
4803         all uses.
4804         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
4805         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
4806         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
4808 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
4810         * doc/frontends.texi (G++ and GCC): Remove references to Java.
4812 2017-01-13  Jeff Law  <law@redhat.com>
4814         PR tree-optimization/33562
4815         PR tree-optimization/61912
4816         PR tree-optimization/77485
4817         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
4818         a statement.
4819         (delete_dead_assignment): Likewise.
4820         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
4821         statement to delete_dead_call and delete_dead_assignment.
4823 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
4825         PR c/78304
4826         * substring-locations.c (format_warning_va): Strengthen case 1 so
4827         that both endpoints of the substring must be within the format
4828         range for just the substring to be printed.
4830 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
4832         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
4833         * config/i386/i386.c (ix86_target_string): Add missing options
4834         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
4835         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
4836         flags_other and ix86_target_other to flags2_other.  Display unknown
4837         isa2 options.
4838         (ix86_valid_target_attribute_inner_p): Add missing options and
4839         reorder options by implied ISAs, as in ix86_target_string.
4841 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
4843         * hash-table.h (hash_table::too_empty_p): New function.
4844         (hash_table::expand): Use it.
4845         (hash_table::traverse): Likewise.
4846         (hash_table::empty_slot): Use sizeof (value_type) instead of
4847         sizeof (PTR) to convert bytes to elements.  Shrink the table
4848         if the current size is excessive for the current number of
4849         elements.
4851 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
4853         * ira-costs.c (record_reg_classes): Break from the inner loop
4854         early once alt_fail is known to be true.  Update outer loop
4855         handling accordingly.
4857 2017-01-13  Jeff Law  <law@redhat.com>
4859         * tree-ssa-dse.c (decrement_count): New function.
4860         (increment_start_addr, maybe_trim_memstar_call): Likewise.
4861         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
4862         when we know the partially dead statement is a mem* function.
4864         PR tree-optimization/61912
4865         PR tree-optimization/77485
4866         * tree-ssa-dse.c: Include expr.h.
4867         (maybe_trim_constructor_store): New function.
4868         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
4870         PR tree-optimization/33562
4871         PR tree-optimization/61912
4872         PR tree-optimization/77485
4873         * doc/invoke.texi: Document new dse-max-object-size param.
4874         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
4875         * tree-ssa-dse.c: Include params.h.
4876         (dse_store_status): New enum.
4877         (initialize_ao_ref_for_dse): New, partially extracted from
4878         dse_optimize_stmt.
4879         (valid_ao_ref_for_dse, normalize_ref): New.
4880         (setup_live_bytes_from_ref, compute_trims): Likewise.
4881         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
4882         (maybe_trim_partially_dead_store): Likewise.
4883         (maybe_trim_complex_store): Likewise.
4884         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
4885         Track what bytes live from the original store.  Return tri-state
4886         for dead, partially dead or live.
4887         (dse_dom_walker): Add constructor, destructor and new private members.
4888         (delete_dead_call, delete_dead_assignment): New extracted from
4889         dse_optimize_stmt.
4890         (dse_optimize_stmt): Make a member of dse_dom_walker.
4891         Use initialize_ao_ref_for_dse.
4893         PR tree-optimization/33562
4894         PR tree-optimization/61912
4895         PR tree-optimization/77485
4896         * sbitmap.h (bitmap_count_bits): Prototype.
4897         (bitmap_clear_range, bitmap_set_range): Likewise.
4898         * sbitmap.c (bitmap_clear_range): New function.
4899         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
4901 2017-01-13  Martin Liska  <mliska@suse.cz>
4903         PR ipa/79043
4904         * function.c (set_cfun): Add new argument force.
4905         * function.h (set_cfun): Likewise.
4906         * ipa-inline-transform.c (inline_call): Use the function when
4907         strict alising from is dropped for function we inline to.
4909 2017-01-13  Richard Biener  <rguenther@suse.de>
4911         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
4912         for dumping GIMPLE INTEGER_CSTs.
4914 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4916         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
4917         to 201112L since C++17.
4919 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
4921         PR sanitizer/78887
4922         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
4923         if -fsanitize=kernel-address is present.
4925 2017-01-13  Richard Biener  <rguenther@suse.de>
4927         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
4928         as _Literal ( type ) number in case usual suffixes do not
4929         preserve all information.
4931 2017-01-13  Richard Biener  <rguenther@suse.de>
4933         PR tree-optimization/77283
4934         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
4935         and ssa-iterators.h.
4936         (is_feasible_trace): Implement a cost model based on joiner
4937         PHI node uses.
4939 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4941         PR target/79004
4942         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
4943         char or short to __float128/_Float128 directly.
4945 2017-01-12  Martin Sebor  <msebor@redhat.com>
4947         to -Wformat-overflow.
4948         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
4949         (min_bytes_remaining): Same.
4950         (get_string_length): Same.
4951         (format_string): Same.
4952         (format_directive): Same.
4953         (add_bytes): Same.
4954         (pass_sprintf_length::handle_gimple_call): Same.
4956 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
4958         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
4959         info.nowrite calls with no lhs that can't throw.  Return bool
4960         whether gsi_remove has been called or not.
4961         (pass_sprintf_length::handle_gimple_call): Return bool whether
4962         try_substitute_return_value called gsi_remove.  Formatting fix.
4963         (pass_sprintf_length::execute): Don't use gsi_remove if
4964         handle_gimple_call returned true.
4966         PR bootstrap/79069
4967         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
4968         be removed due to side-effects, don't remove following barrier nor
4969         turn the successor edge into fallthru edge.
4971 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4973         PR target/79044
4974         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
4975         element-reversing loads and stores as not swappable.
4977 2017-01-12  Nathan Sidwell  <nathan@acm.org>
4978             Nicolai Stange  <nicstange@gmail.com>
4980         * combine.c (try_combine): Don't ignore result of overlap checking
4981         loop.  Combine overlap & asm check into single loop.
4983 2017-01-12  Richard Biener  <rguenther@suse.de>
4985         * tree-pretty-print.c (dump_generic_node): Provide -gimple
4986         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
4988 2017-01-12  Richard Biener  <rguenther@suse.de>
4990         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
4991         and TS_TARGET_OPTION directly derive from TS_BASE.
4992         * tree-core.h (tree_optimization_option): Derive from tree_base.
4993         (tree_target_option): Likewise.
4995 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
4997         * config/i386/i386.c (memory_address_length): Increase len
4998         only when rip_relative_addr_p returns false.
5000 2017-01-11  Julia Koval  <julia.koval@intel.com>
5002         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
5003         (OPTION_MASK_ISA_SGX_SET): New.
5004         (ix86_handle_option): Handle OPT_msgx.
5005         * config.gcc: Added sgxintrin.h.
5006         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
5007         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
5008         * config/i386/i386.c (ix86_target_string): Add -msgx.
5009         (PTA_SGX): New.
5010         (ix86_option_override_internal): Handle new options.
5011         (ix86_valid_target_attribute_inner_p): Add sgx.
5012         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
5013         * config/i386/i386.opt: Add msgx.
5014         * config/i386/sgxintrin.h: New file.
5015         * config/i386/x86intrin.h: Add sgxintrin.h.
5017 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
5019         PR c++/71537
5020         * fold-const.c (maybe_nonzero_address): Return 1 for function
5021         local objects.
5022         (tree_single_nonzero_warnv_p): Don't handle function local objects
5023         here.
5025         PR c++/72813
5026         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
5027         of c-header.
5029 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
5031         PR driver/78877
5032         * opts.c: Include "spellcheck.h"
5033         (struct string_fragment): New struct.
5034         (struct edit_distance_traits<const string_fragment &>): New
5035         struct.
5036         (get_closest_sanitizer_option): New function.
5037         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
5039 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
5041         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
5042         by 12.
5043         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
5044         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
5045         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
5046         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
5047         for initial die_offset if dwarf_split_debug_info.
5048         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
5049         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
5050         fields.
5051         (output_skeleton_debug_sections): Formatting fix.  Use
5052         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
5053         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
5055 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
5057         * config/arm/cortex-a53.md: Add bypasses for
5058         cortex_a53_r2f_cvt.
5059         (cortex_a53_r2f): Only use for transfers.
5060         (cortex_a53_f2r): Likewise.
5061         (cortex_a53_r2f_cvt): Add reservation for conversions.
5062         (cortex_a53_f2r_cvt): Likewise.
5064 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
5066         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
5067         to all inlined functions, change static to extern.
5069 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
5071         PR target/78253
5072         * config/arm/arm.c (legitimize_pic_address): Handle reference to
5073         weak symbol.
5074         (arm_assemble_integer): Likewise.
5076 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
5078         * config.gcc: Use new awk script to check CPU, FPU and architecture
5079         parameters for --with-... options.
5080         * config/arm/parsecpu.awk: New file
5081         * config/arm/arm-cpus.in: New file.
5082         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
5083         files.
5084         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
5085         files.
5086         * config/arm/t-arm: Update dependency rules.
5087         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
5088         of processing .def files.
5089         * config/arm/genopt.sh: Deleted.
5090         * config/arm/gentune.sh: Deleted.
5091         * config/arm/arm-cores.def: Deleted.
5092         * config/arm/arm-arches.def: Deleted.
5093         * config/arm/arm-fpus.def: Deleted.
5094         * config/arm/arm-tune.md: Regenerated.
5095         * config/arm/arm-tables.opt: Regenerated.
5096         * config/arm/arm-cpu.h: New generated file.
5097         * config/arm/arm-cpu-data.h: New generated file.
5098         * config/arm/arm-cpu-cdata.h: New generated file.
5100 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
5102         PR lto/79042
5103         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
5104         bit.
5105         (input_varpool_node): Unpack dynamically_initialized bit.
5107 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5109         PR rtl-optimization/79032
5110         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
5111         the alignment of the adjusted memory reference against that of MODE,
5112         instead of the alignment of the original memory reference.
5114 2017-01-11  Martin Jambor  <mjambor@suse.cz>
5116         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
5117         test.
5118         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
5119         decorated functions.
5121 2017-01-11  Richard Biener  <rguenther@suse.de>
5123         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
5124         set range/nonnull info for PHI results.  Do not set it on
5125         stmts marked for removal.
5127 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
5129         * expr.c (store_field): In the bitfield case, fetch the return value
5130         from the registers before applying a single big-endian adjustment.
5131         Always do a final load for a BLKmode value not larger than a word.
5133 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
5135         PR c++/77949
5136         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
5137         that we correctly handle column numbers greater than
5138         LINE_MAP_MAX_COLUMN_NUMBER.
5140 2017-01-10  Martin Sebor  <msebor@redhat.com>
5142         PR middle-end/78245
5143         * gimple-ssa-sprintf.c (get_destination_size): Call
5144         {init,fini}object_sizes.
5145         * tree-object-size.c (addr_object_size): Adjust.
5146         (pass_through_call): Adjust.
5147         (pass_object_sizes::execute): Adjust.
5148         * tree-object-size.h (fini_object_sizes): Declare.
5150 2017-01-10  Martin Sebor  <msebor@redhat.com>
5152         PR tree-optimization/78775
5153         * builtins.c (get_size_range): Move...
5154         * calls.c: ...to here.
5155         (alloc_max_size): Accept zero argument.
5156         (operand_signed_p): Remove.
5157         (maybe_warn_alloc_args_overflow): Call get_size_range.
5158         * calls.h (get_size_range): Declare.
5160 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
5162         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
5163         from TI's devices.csv file as of September 2016.
5164         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
5166 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
5168         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
5169         * doc/invoke.texi: Likewise.
5170         * doc/md.texi: Likewise.
5171         * doc/objc.texi: Likewise.
5173 2017-01-10  Joshua Conner  <joshconner@google.com>
5175         * config/arm/fuchsia-elf.h: New file.
5176         * config/fuchsia.h: New file.
5177         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
5178         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
5179         targets.
5180         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
5182 2016-01-10  Richard Biener  <rguenther@suse.de>
5184         PR tree-optimization/79034
5185         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
5186         Propagate out degenerate PHIs in the joiner.
5188 2017-01-10  Martin Liska  <mliska@suse.cz>
5190         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
5191         (sort_congruence_classes_by_decl_uid): Likewise.
5192         (sort_congruence_class_groups_by_decl_uid): Likewise.
5193         (sem_item_optimizer::merge_classes): Sort class, groups in these
5194         classes and members in the groups by DECL_UID of declarations.
5195         This would make merge operations stable.
5197 2017-01-10  Martin Liska  <mliska@suse.cz>
5199         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
5200         usage of m_classes_vec.
5201         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
5202         (sem_item_optimizer::get_group_by_hash): Likewise.
5203         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
5204         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
5205         (sem_item_optimizer::verify_classes): Likewise.
5206         (sem_item_optimizer::process_cong_reduction): Likewise.
5207         (sem_item_optimizer::dump_cong_classes): Likewise.
5208         (sem_item_optimizer::merge_classes): Likewise.
5209         * ipa-icf.h (congruence_class_hash): Rename from
5210         congruence_class_group_hash.  Remove declaration of m_classes_vec.
5212 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
5214         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
5215         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
5216         * config.gcc: Add avx512vpopcntdqintrin.h.
5217         * config/i386/avx512vpopcntdqintrin.h: New.
5218         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
5219         * config/i386/i386-builtin-types.def: Add new types.
5220         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
5221         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
5222         __builtin_ia32_vpopcountq_v8di_mask): New.
5223         * config/i386/i386-c.c (ix86_target_macros_internal): Define
5224         __AVX512VPOPCNTDQ__.
5225         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
5226         (PTA_AVX512VPOPCNTDQ): Define.
5227         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
5228         TARGET_AVX512VPOPCNTDQ_P): Define.
5229         * config/i386/i386.opt: Add mavx512vpopcntdq.
5230         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
5231         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
5233 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5235         PR middle-end/77484
5236         * predict.def (PRED_CALL): Set to 67.
5238 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5240         * expr.c (store_field): In the bitfield case, if the value comes from
5241         a function call and is of an aggregate type returned in registers, do
5242         not modify the field mode; extract the value in all cases if the mode
5243         is BLKmode and the size is not larger than a word.
5245 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
5247         PR target/71017
5248         * config/i386/cpuid.h: Fix undefined behavior.
5250 2017-01-04  Jeff Law  <law@redhat.com>
5252         PR tree-optimization/79007
5253         PR tree-optimization/67955
5254         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
5255         conservative for pt.null when flag_non_call_exceptions is on.
5257 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
5259         PR translation/79019
5260         PR translation/79020
5261         * params.def (PARAM_INLINE_MIN_SPEEDUP,
5262         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
5263         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
5264         in descriptions.
5265         * config/avr/avr.opt (maccumulate-args): Likewise.
5266         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
5267         * common.opt (freport-bug): Likewise.
5268         * cif-code.def (CIF_FINAL_ERROR): Likewise.
5269         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
5270         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
5271         translatable string.
5272         * config/i386/i386.c (function_value_32): Likewise.
5273         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
5274         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
5275         Likewise.
5276         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
5277         * common/config/msp430/msp430-common.c (msp430_handle_option):
5278         Likewise.
5279         * symtab.c (symtab_node::verify_base): Likewise.
5280         * opts.c (set_debug_level): Likewise.
5281         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
5282         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
5283         missing whitespace to translatable strings.
5284         * config/avr/avr.md (bswapsi2): Fix typo in comment.
5285         * config/sh/superh.h: Likewise.
5286         * config/i386/xopintrin.h: Likewise.
5287         * config/i386/znver1.md: Likewise.
5288         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
5289         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
5290         * double-int.h (struct double_int): Likewise.
5291         * double-int.c (div_and_round_double): Likewise.
5292         * wide-int.cc: Likewise.
5293         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
5294         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
5295         * cfgcleanup.c (crossjumps_occured): Renamed to ...
5296         (crossjumps_occurred): ... this.
5297         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
5298         Adjust all uses.
5300         PR tree-optimization/78899
5301         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
5302         returning bool return struct loop *, NULL for failure and the new
5303         loop on success.
5304         (versionable_outer_loop_p): Don't version outer loop if it has
5305         dont_vectorized bit set.
5306         (tree_if_conversion): When versioning outer loop, ensure
5307         tree_if_conversion is performed also on the inner loop of the
5308         non-vectorizable outer loop copy.
5309         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
5310         LOOP_VECTORIZED in inner loop of the scalar outer loop and
5311         prevent vectorization of it.
5312         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
5313         the outer loop vectorization of the non-scalar version is attempted
5314         before vectorization of the inner loop in scalar version.  If
5315         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
5316         vectorization of its inner loop.
5317         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
5318         has 2 inner loops, rename also on edges from bb whose single pred
5319         is outer_loop->header.  Fix typo in function comment.
5321 2017-01-09  Martin Sebor  <msebor@redhat.com>
5323         PR bootstrap/79033
5324         * asan.c (asan_emit_stack_protection): Increase local buffer size
5325         to avoid snprintf truncation warning.
5327 2017-01-09  Andrew Pinski  <apinski@cavium.com>
5329         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
5330         to reference thunderx2t99 for the tuning structure
5331         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
5332         Rename to ...
5333         (thunderx2t99_extra_costs): This.
5334         * config/aarch64/aarch64-tune.md: Regenerate.
5335         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
5336         (vulcan_addrcost_table): This.
5337         (vulcan_regmove_cost): Rename to ...
5338         (thunderx2t99_regmove_cost): This.
5339         (vulcan_vector_cost): Rename to ...
5340         (thunderx2t99_vector_cost): this.
5341         (vulcan_branch_cost): Rename to ...
5342         (thunderx2t99_branch_cost): This.
5343         (vulcan_tunings): Rename to ...
5344         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
5345         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
5347 2017-01-09  Martin Jambor  <mjambor@suse.cz>
5349         PR ipa/78365
5350         PR ipa/78599
5351         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
5352         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
5353         (propagate_vr_accross_jump_function): Use the above function for all
5354         value range computations for pass-through jump functions and type
5355         converasion from explicit value range values.
5356         (ipcp_propagate_stage): Do not attempt to deduce types of formal
5357         parameters from TYPE_ARG_TYPES.
5358         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
5359         (ipa_write_node_info): Stream type of the actual argument.
5360         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
5362 2017-01-09  Martin Liska  <mliska@suse.cz>
5364         PR pch/78970
5365         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
5366         (lookup_compiler): Do not show error message with have_E.
5368 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
5370         PR tree-optimization/78938
5371         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
5372         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
5373         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
5374         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
5375         fixes.
5377 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5379         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
5380         is const0_rtx.
5382 2017-01-09  Richard Biener  <rguenther@suse.de>
5384         PR tree-optimization/78997
5385         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
5386         name condition properly.
5388 2017-01-09  Richard Biener  <rguenther@suse.de>
5390         PR debug/79000
5391         * dwarf2out.c (is_cxx): New overload with context.
5392         (is_naming_typedef_decl): Use it.
5394 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
5396         * invoke.texi (Option Summary): Correct spacing in option lists
5397         and add line breaks to fix over-long lines.
5399 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
5401         PR middle-end/17660
5403         * extend.texi (Common Variable Attributes): Add xref to GCC
5404         Internals manual to explain mode attribute keywords.
5406 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
5408         PR other/16519
5409         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
5410         and Preprocessor Options.
5411         (Options for Linking): Document -pthread here....
5412         (RS/6000 and PowerPC Options): ...not here.
5413         (Solaris 2 Options): ...or here.
5414         * doc/cppopts.texi: Document -pthread.
5416 2017-01-08  Martin Sebor  <msebor@redhat.com>
5418         PR middle-end/77708
5419         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
5420         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
5421         New member functions.
5422         (format_directive): Used them.
5423         (add_bytes): Same.
5424         (pass_sprintf_length::handle_gimple_call): Same.
5425         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
5426         to avoid truncation for any argument.
5427         (extract_affine_mul): Same.
5428         * tree.c (get_file_function_name): Same.
5430 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5432         PR middle-end/77484
5433         * predict.def (PRED_INDIR_CALL): Set to 86.
5435 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
5437         PR preprocessor/54124
5438         * doc/cppopts.texi: Reformat -d subtable to list the full name
5439         of the options.  Add cross-reference to the docs for the general
5440         compiler -d options.
5441         * doc/invoke.texi (Developer Options): Add cross-reference to the
5442         preprocessor-specific -d option documentation.
5444 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
5446         PR preprocessor/13498
5447         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
5448         redudant material, and reflect new command-line options.
5449         (System Headers): Likewise.
5451 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
5453         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
5454         -isystem, and -idirafter.  Copy-edit.
5455         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
5456         default for -ftrack-macro-expansion.  Delete obsolete and
5457         badly-formatted implementation details about -fdebug-cpp output.
5458         * doc/cppwarnopts.texi: Copy-edit.
5460 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
5462         PR c++/72803
5463         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
5464         that the transition from a max line width >= 1<<10 to narrower
5465         lines works correctly.
5467 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
5469         * doc/options.texi (PerFunction): New.
5470         * opt-functions.awk (switch_flags): Map both Optimization and
5471         PerFunction to CL_OPTIMIZATION.
5472         * opth-gen.awk: Test for PerFunction flag along with
5473         Optimization.
5474         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
5475         it only when the latter is present.  Skip those that don't in
5476         the hash function generator.
5477         * common.opt (fvar-tracking): Mark as PerFunction instead of
5478         Optimization.
5479         (fvar-tracking-assignments): Likewise.
5480         (fvar-tracking-assignments-toggle): Likewise.
5481         (fvar-tracking-uninit): Likewise.
5483 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
5485         PR translation/79018
5486         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
5487         the and store.
5489 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
5491         PR target/57583
5492         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
5493         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
5494         TARGET_LONG_JUMP_TABLE_OFFSETS.
5495         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
5496         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
5497         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
5498         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
5499         * config/m68k/m68k.md (tablejump expander): Likewise.
5500         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
5501         TARGET_LONG_JUMP_TABLE_OFFSETS.
5502         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
5503         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
5505 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
5506             David Holsgrove <david.holsgrove@xilinx.com>
5508         * common/config/microblaze/microblaze-common.c
5509         (TARGET_EXCEPT_UNWIND_INFO): Remove.
5510         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
5511         New prototype.
5512         * config/microblaze/microblaze.c (microblaze_must_save_register)
5513         (microblaze_expand_epilogue, microblaze_return_addr): Handle
5514         calls_eh_return.
5515         (microblaze_eh_return): New function.
5516         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
5517         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
5518         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
5519         * config/microblaze/microblaze.md (eh_return): New pattern.
5521 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
5523         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
5524         GCC_DIAGNOSTIC_STRINGIFY): Define.
5526         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
5528 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5530         * config/arm/arm.md (<mcrr>): New.
5531         (<mrrc>): New.
5532         * config/arm/arm.c (arm_arch5te): New.
5533         (arm_option_override): Set arm_arch5te.
5534         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
5535         and mrrc2.
5536         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
5537         (arm_mcrr_qualifiers): ... this. New.
5538         (MRRC_QUALIFIERS): Define to...
5539         (arm_mrrc_qualifiers): ... this. New.
5540         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
5541         __arm_mrrc2): New.
5542         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
5543         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
5544         (MRRCI, mrrc, MRRC): New.
5545         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
5546         VUNSPEC_MRRC2): New.
5548 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5550         * config/arm/arm.md (<mcr>): New.
5551         (<mrc>): New.
5552         * config/arm/arm.c (arm_coproc_builtin_available): Add
5553         support for mcr, mrc, mcr2 and mrc2.
5554         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
5555         (arm_mcr_qualifiers): ... this. New.
5556         (MRC_QUALIFIERS): Define to ...
5557         (arm_mrc_qualifiers): ... this. New.
5558         (MCR_QUALIFIERS): Define to ...
5559         (arm_mcr_qualifiers): ... this. New.
5560         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
5561         __arm_mrc2): New.
5562         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
5563         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
5564         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
5565         VUNSPEC_MRC2): New.
5567 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5569         * config/arm/arm.md (*ldc): New.
5570         (*stc): New.
5571         (<ldc>): New.
5572         (<stc>): New.
5573         * config/arm/arm.c (arm_coproc_builtin_available): Add
5574         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
5575         (arm_coproc_ldc_stc_legitimate_address): New.
5576         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
5577         'qualifier_const_pointer'.
5578         (LDC_QUALIFIERS): Define to...
5579         (arm_ldc_qualifiers): ... this. New.
5580         (STC_QUALIFIERS): Define to...
5581         (arm_stc_qualifiers): ... this. New.
5582         * config/arm/arm-protos.h
5583         (arm_coproc_ldc_stc_legitimate_address): New.
5584         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
5585         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
5586         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
5587         stc2, stcl, stc2l): New.
5588         * config/arm/constraints.md (Uz): New.
5589         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
5590         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
5591         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
5592         VUNSPEC_STC2L): New.
5594 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5596         * config/arm/arm.md (<cdp>): New.
5597         * config/arm/arm.c (neon_const_bounds): Rename this ...
5598         (arm_const_bounds): ... this.
5599         (arm_coproc_builtin_available): New.
5600         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
5601         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
5602         (CDP_QUALIFIERS): Define to...
5603         (arm_cdp_qualifiers): ... this. New.
5604         (void_UP): Define.
5605         (arm_expand_builtin_args): Add case for 6 arguments.
5606         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
5607         (arm_const_bounds): ... this.
5608         (arm_coproc_builtin_available): New.
5609         * config/arm/arm_acle.h (__arm_cdp): New.
5610         (__arm_cdp2): New.
5611         * config/arm/arm_acle_builtins.def (cdp): New.
5612         (cdp2): New.
5613         * config/arm/iterators.md (CDPI,CDP,cdp): New.
5614         * config/arm/neon.md: Rename all 'neon_const_bounds' to
5615         'arm_const_bounds'.
5616         * config/arm/types.md (coproc): New.
5617         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
5618         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
5619         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
5620         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
5622 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5624         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
5625         (UBINOP_QUALIFIERS): New.
5626         (si_UP): Define.
5627         (acle_builtin_data): New. Change comment.
5628         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
5629         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
5630         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
5631         arm_acle_builtins.def.
5632         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
5633         (arm_init_acle_builtins): New.
5634         (CRC32_BUILTIN): Remove.
5635         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
5636         crc32cb, crc32ch and crc32cw.
5637         (arm_init_crc32_builtins): Remove.
5638         (arm_init_builtins): Use arm_init_acle_builtins rather
5639         than arm_init_crc32_builtins.
5640         (arm_expand_acle_builtin): New.
5641         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
5642         * config/arm/arm_acle_builtins.def: New.
5644 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5646         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
5647         (arm_builtin_datum): ... this.
5648         (arm_init_neon_builtin): Rename to ...
5649         (arm_init_builtin): ... this. Add a new parameters PREFIX
5650         and USE_SIG_IN_NAME.
5651         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
5652         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
5653         'arm_builtin_datum'.
5654         (arm_init_vfp_builtins): Likewise.
5655         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
5656         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
5657         (arm_expand_neon_args): Rename to ...
5658         (arm_expand_builtin_args): ... this. Rename builtin_arg
5659         enum values and differentiate between ARG_BUILTIN_MEMORY
5660         and ARG_BUILTIN_NEON_MEMORY.
5661         (arm_expand_neon_builtin_1): Rename to ...
5662         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
5663         values, arm_expand_builtin_args and add bool parameter NEON.
5664         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
5665         (arm_expand_vfp_builtin): Likewise.
5666         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
5668 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5670         PR middle-end/77484
5671         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
5672         * predict.c (tree_estimate_probability_bb): Reverse direction of
5673         polymorphic call predictor.
5675 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
5677         * passes.c (execute_one_pass): Split out pass-skipping logic into...
5678         (determine_pass_name_match): ...this new function and...
5679         (should_skip_pass_p): ...this new function.
5681 2017-01-06  Nathan Sidwell  <nathan@acm.org>
5683         * ipa-visibility.c (function_and_variable_visibility): Reformat
5684         comments and long lines.  Remove extrneous if.
5685         * symtab.c (symtab_node::make_decl_local): Fix code format.
5686         (symtab_node::set_section_for_node): Fix comment typo.
5688 2017-01-06  Martin Liska  <mliska@suse.cz>
5690         PR bootstrap/79003
5691         * lra-constraints.c: Rename invariant to lra_invariant.
5692         * predict.c (set_even_probabilities): Initialize e to NULL.
5694 2017-01-05  Martin Sebor  <msebor@redhat.com>
5696         PR tree-optimization/78910
5697         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
5698         (format_integer): Correct off-by-one error in the handling
5699         of precision with negative numbers in signed conversions..
5701 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5703         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
5705 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
5707         PR tree-optimization/71016
5708         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
5709         factor_out_conditional_conversion.  Formatting fix.
5710         (factor_out_conditional_conversion): Add cond_stmt argument.
5711         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
5712         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
5713         Formatting fix.
5715 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
5717         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
5718         read-rtl-function.o, and selftest-rtl.o.
5719         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
5720         (selftest::aarch64_test_loading_full_dump): New function.
5721         (selftest::aarch64_run_selftests): New function.
5722         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
5723         selftest::aarch64_run_selftests.
5724         * config/i386/i386.c
5725         (selftest::ix86_test_loading_dump_fragment_1): New function.
5726         (selftest::ix86_test_loading_call_insn): New function.
5727         (selftest::ix86_test_loading_full_dump): New function.
5728         (selftest::ix86_test_loading_unspec): New function.
5729         (selftest::ix86_run_selftests): Call the new functions.
5730         * emit-rtl.c (maybe_set_max_label_num): New function.
5731         * emit-rtl.h (maybe_set_max_label_num): New decl.
5732         * function.c (instantiate_decls): Guard call to
5733         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
5734         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
5735         "static".
5736         * gensupport.c (gen_reader::gen_reader): Pass "false"
5737         for new "compact" param of rtx_reader.
5738         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
5739         rather than an empty string for NULL strings.
5740         * read-md.c: Potentially include config.h rather than bconfig.h.
5741         Wrap include of errors.h with #ifdef GENERATOR_FILE.
5742         (have_error): New global, copied from errors.c.
5743         (md_reader::read_name): Rename to...
5744         (md_reader::read_name_1): ...this, adding "out_loc" param,
5745         and converting "missing name or number" to returning false, rather
5746         than failing.
5747         (md_reader::read_name): Reimplement in terms of read_name_1.
5748         (md_reader::read_name_or_nil): New function.
5749         (md_reader::read_string): Handle "(nil)" by returning NULL.
5750         (md_reader::md_reader): Add new param "compact".
5751         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
5752         (md_reader::read_file): New method.
5753         * read-md.h (md_reader::md_reader): Add new param "compact".
5754         (md_reader::read_file): New method.
5755         (md_reader::is_compact): New accessor.
5756         (md_reader::read_name): Convert return type from void to file_location.
5757         (md_reader::read_name_or_nil): New decl.
5758         (md_reader::read_name_1): New decl.
5759         (md_reader::m_compact): New field.
5760         (noop_reader::noop_reader): Pass "false" for new "compact" param
5761         of rtx_reader.
5762         (rtx_reader::rtx_reader): Add new "compact" param.
5763         (rtx_reader::read_rtx_operand): Make virtual and convert return
5764         type from void to rtx.
5765         (rtx_reader::read_until): New decl.
5766         (rtx_reader::handle_any_trailing_information): New virtual function.
5767         (rtx_reader::postprocess): New virtual function.
5768         (rtx_reader::finalize_string): New virtual function.
5769         (rtx_reader::m_in_call_function_usage): New field.
5770         (rtx_reader::m_reuse_rtx_by_id): New field.
5771         * read-rtl-function.c: New file.
5772         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
5773         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
5774         (selftest::verify_three_block_rtl_cfg): New decl.
5775         * read-rtl-function.h: New file.
5776         * read-rtl.c: Potentially include config.h rather than bconfig.h.
5777         For host, include function.h, memmodel.h, and emit-rtl.h.
5778         (one_time_initialization): New function.
5779         (struct compact_insn_name): New struct.
5780         (compact_insn_names): New array.
5781         (find_code): Handle insn codes in compact dumps.
5782         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
5783         (bind_subst_iter_and_attr): Likewise.
5784         (add_condition_to_string): Likewise.
5785         (add_condition_to_rtx): Likewise.
5786         (apply_attribute_uses): Likewise.
5787         (add_current_iterators): Likewise.
5788         (apply_iterators): Likewise.
5789         (initialize_iterators): Guard usage of apply_subst_iterator with
5790         #ifdef GENERATOR_FILE.
5791         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
5792         (md_reader::read_mapping): Likewise.
5793         (add_define_attr_for_define_subst): Likewise.
5794         (add_define_subst_attr): Likewise.
5795         (read_subst_mapping): Likewise.
5796         (check_code_iterator): Likewise.
5797         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
5798         logic to...
5799         (one_time_initialization): New function.
5800         (rtx_reader::read_until): New method.
5801         (read_flags): New function.
5802         (parse_reg_note_name): New function.
5803         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
5804         Handle reuse_rtx ids.
5805         Wrap iterator lookup within #ifdef GENERATOR_FILE.
5806         Add parsing support for RTL dumps, mirroring the special-cases in
5807         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
5808         values, and calling handle_any_trailing_information.
5809         (rtx_reader::read_rtx_operand): Convert return type from void
5810         to rtx, returning return_rtx.  Handle case 'e'.  Call
5811         finalize_string on XSTR and XTMPL fields.
5812         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
5813          "(nil)" values were omitted.  Call the postprocess vfunc on the
5814         return_rtx.
5815         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
5816         class ctor.  Initialize m_in_call_function_usage.  Call
5817         one_time_initialization.
5818         * rtl-tests.c (selftest::test_uncond_jump): Call
5819         set_new_first_and_last_insn.
5820         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
5821         * selftest-rtl.c: New file.
5822         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
5823         (selftest::get_insn_by_uid): New decl.
5824         * selftest-run-tests.c (selftest::run_tests): Call
5825         read_rtl_function_c_tests.
5826         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
5827         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
5828         dumps.
5830 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
5832         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
5833         operands in a special way.  Assert that pos+len <= mode precision.
5835 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
5837         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
5838         3 argument Alias with unlimited for the negative form.
5839         (fno-vect-cost-model): Removed.
5841 2017-01-05  Martin Liska  <mliska@suse.cz>
5843         * hsa-gen.c (gen_hsa_divmod): New function.
5844         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
5846 2017-01-05  Martin Liska  <mliska@suse.cz>
5848         PR pch/78970
5849         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
5850         header.
5852 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5854         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
5855         small constant length operands.
5857 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5859         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
5860         between loop iterations.
5862 2017-01-05  Martin Liska  <mliska@suse.cz>
5864         PR sanitizer/78815
5865         * gimplify.c (gimplify_decl_expr): Compare to
5866         asan_poisoned_variables instread of checking flags.
5867         (gimplify_target_expr): Likewise.
5868         (gimplify_expr): Likewise.
5869         (gimplify_function_tree): Conditionally initialize
5870         asan_poisoned_variables.
5872 2017-01-04  Jeff Law  <law@redhat.com>
5874         PR tree-optimizatin/78812
5875         * rtl.h (contains_mem_rtx_p): Prototype.
5876         * ifcvt.c (containts_mem_rtx_p): Move from here to...
5877         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
5878         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
5879         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
5880         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
5882 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5884         * input.c (assert_char_at_range): Default-initialize actual_range.
5886 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5888         * df-scan.c (df_ref_create_structure): Make regno unsigned,
5889         to match the caller.
5891 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5893         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
5894         insns after final jump in test to emit dummy move.
5896 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5898         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
5899         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
5901 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5903         * multiple_target.c (create_dispatcher_calls): Init e_next.
5904         * tree-ssa-loop-split.c (split_loop): Init border.
5905         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
5906         scalar_type.
5908 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
5910         PR target/71977
5911         PR target/70568
5912         PR target/78823
5913         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
5914         (altivec_register_operand): Do not return true if the operand
5915         contains a SUBREG mixing SImode and SFmode.
5916         (vsx_register_operand): Likewise.
5917         (vsx_reg_sfsubreg_ok): New predicate.
5918         (vfloat_operand): Do not return true if the operand contains a
5919         SUBREG mixing SImode and SFmode.
5920         (vint_operand): Likewise.
5921         (vlogical_operand): Likewise.
5922         (gpc_reg_operand): Likewise.
5923         (int_reg_operand): Likewise.
5924         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
5925         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
5926         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
5927         SImode and SFmode.
5928         (rs6000_emit_move_si_sf_subreg): New helper function.
5929         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
5930         fixup SUBREGs involving SImode and SFmode.
5931         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
5932         numbers for the new peephole2 optimization.
5933         (peephole2 for SFmode unions): New peephole2 to optimize cases in
5934         the GLIBC math library that do AND/IOR/XOR operations on single
5935         precision floating point.
5936         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
5937         target macros to say whether we need to avoid SUBREGs mixing
5938         SImode and SFmode.
5939         (TARGET_ALLOW_SF_SUBREG): Likewise.
5940         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
5941         (UNSPEC_SI_FROM_SF): Likewise.
5942         (iorxor): Change spacing.
5943         (and_ior_xor): New iterator for AND, IOR, and XOR.
5944         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
5945         (movdi_from_sf_zero_ext): Likewise.
5946         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
5947         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
5948         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
5949         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
5950         (fms<mode>4): Likewise.
5951         (fnma<mode>4): Likewise.
5952         (fnms<mode>4): Likewise.
5953         (nfma<mode>4): Likewise.
5954         (nfms<mode>4): Likewise.
5956 2017-01-04  Marek Polacek  <polacek@redhat.com>
5958         PR c++/64767
5959         * doc/invoke.texi: Document -Wpointer-compare.
5961 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
5963         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
5964         RejectNegative.
5966         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
5967         descriptions for -gdwarf-5 and emit them as uleb128 instead of
5968         2-byte data.
5970 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5972         PR target/78056
5973         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
5974         documentation of the powerpc_popcntb_ok attribute.
5975         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
5976         code to issue warning messages if a requested CPU configuration is
5977         not supported by the binary (assembler and loader) toolchain.
5978         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
5979         made to define a built-in function that has been disabled.
5980         (paired_init_builtins): Add assertion to prevent ICE if attempt is
5981         made to define a built-in function that has been disabled.
5982         (altivec_init_builtins): Add comment explaining why definition
5983         of the DST built-in functions is not preceded by an assertion
5984         check.  Add assertions to prevent ICE if attempts are made to
5985         define an altivec predicate or an abs* built-in function that has
5986         been disabled.
5987         (htm_init_builtins): Add comment explaining why definition of the
5988         htm built-in functions is not preceded by an assertion check.
5990 2017-01-04  Jeff Law  <law@redhat.com>
5992         PR tree-optimizatin/67955
5993         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
5994         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
5995         the points-to solution does not include pt_null.  Use DECL_PT_UID
5996         unconditionally.
5998 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
6000         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
6001         Use gen_int_mode instead of gen_lopwart for const_int operands.
6003 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
6005         PR tree-optimization/71563
6006         * match.pd: Simplify X << Y into X if Y is known to be 0 or
6007         out of range value - has low bits known to be zero.
6009 2017-01-04  Alan Modra  <amodra@gmail.com>
6011         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
6012         * configure: Regenerate.
6013         * config.in: Regenerate.
6015 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
6017         PR bootstrap/77569
6018         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
6019         a substring of the message, but strcmp with the whole message.  Ifdef
6020         ENABLE_NLS, translate the message first using dgettext.
6022 2017-01-03  Jeff Law  <law@redhat.com>
6024         PR tree-optimizatin/78856
6025         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
6026         (mark_threaded_blocks): Remove code to truncate thread paths that
6027         cross multiple loop headers.  Instead invalidate the cached loop
6028         iteration information and handle case of a thread path walking
6029         into an irreducible region.
6031 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6033         PR target/78900
6034         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
6035         assertions.  Add support for doing the signbit if the IEEE 128-bit
6036         floating point value is in a GPR.
6037         * config/rs6000/rs6000.md (Fsignbit): Delete.
6038         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
6039         Update the length attribute if the value is in a GPR.
6040         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
6041         the sign or zero extension instruction, since the value is always 0/1.
6042         (signbit<mode>2_dm2): Delete using <Fsignbit>.
6044         PR target/78953
6045         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
6046         extracting SImode to a GPR register so that we can generate a
6047         store, limit the vector to be in a traditional Altivec register
6048         for the vextuwrx instruction.
6050 2017-01-03  Ian Lance Taylor  <iant@google.com>
6052         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
6054 2017-01-03  Martin Sebor  <msebor@redhat.com>
6056         PR tree-optimization/78696
6057         * gimple-ssa-sprintf.c (format_floating): Correct handling of
6058         precision.  Use MPFR for %f for greater fidelity.  Correct handling
6059         of %g.
6060         (pass_sprintf_length::compute_format_length): Set width and precision
6061         specified by asrerisk to void_node for vararg functions.
6062         (try_substitute_return_value): Adjust dump output.
6064 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
6066         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
6068 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
6070         * doc/invoke.texi (SPARC options): Document -mlra as the default.
6071         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
6072         -mlra/-mno-lra was passed to the compiler.
6074 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
6076         PR rtl-optimization/65618
6077         * emit-rtl.c (try_split): Move initialization of "before" and
6078         "after" to just before the call to emit_insn_after_setloc.
6080 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
6082         * doc/md.texi (Standard Names): Remove reference to Java frontend.
6084 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6086         * dwarf2out.c (gen_enumeration_type_die): When
6087         -gno-strict-dwarf, add a DW_AT_encoding attribute.
6089 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
6091         PR tree-optimization/78965
6092         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
6093         Change first argument from const call_info & to call_info &.  For %n
6094         set info.nowrite to false.
6096         PR middle-end/78901
6097         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
6098         possibly throwing calls.
6100         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
6101         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
6102         and fns handling, rather than in a separate case SSA_NAME.
6104 2017-01-02  Jeff Law  <law@redhat.com>
6106         * config/darwin-driver.c (darwin_driver_init): Const-correctness
6107         fixes for first_period and second_period variables.
6109 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
6111         PR target/78967
6112         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
6113         (*insvqi_1): New insn pattern.
6114         (*insvqi_1_mem_rex64): Ditto.
6115         (*insvqi_2): Ditto.
6116         (*insvqi_3): Rename from *insvqi.
6118         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
6120 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
6122         * doc/cfg.texi (Edges): Remove reference to Java.
6123         (Maintaining the CFG): Ditto.
6125 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
6127         PR middle-end/77674
6128         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
6129         transparent aliases.
6131 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
6133         PR middle-end/77484
6134         * predict.def (PRED_CALL): Update hitrate.
6135         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
6136         * predict.c (tree_estimate_probability_bb): Split CALL predictor
6137         into direct/indirect/polymorphic variants.
6139 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
6141         Update copyright years.
6143         * gcc.c (process_command): Update copyright notice dates.
6144         * gcov-dump.c (print_version): Ditto.
6145         * gcov.c (print_version): Ditto.
6146         * gcov-tool.c (print_version): Ditto.
6147         * gengtype.c (create_file): Ditto.
6148         * doc/cpp.texi: Bump @copying's copyright year.
6149         * doc/cppinternals.texi: Ditto.
6150         * doc/gcc.texi: Ditto.
6151         * doc/gccint.texi: Ditto.
6152         * doc/gcov.texi: Ditto.
6153         * doc/install.texi: Ditto.
6154         * doc/invoke.texi: Ditto.
6156 Copyright (C) 2017 Free Software Foundation, Inc.
6158 Copying and distribution of this file, with or without modification,
6159 are permitted in any medium without royalty provided the copyright
6160 notice and this notice are preserved.