Fix PR target/93932
[official-gcc.git] / gcc / ChangeLog
blobf5d4e6dd582697565e0622079fb18f68b1b873b6
1 2020-02-27  Michael Meissner  <meissner@linux.ibm.com>
3         PR target/93932
4         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
5         Split the insn into two parts.  This insn only does variable
6         extract from a register.
7         (vsx_extract_<mode>_var_load, VSX_D iterator): New insn, do
8         variable extract from memory.
9         (vsx_extract_v4sf_var): Split the insn into two parts.  This insn
10         only does variable extract from a register.
11         (vsx_extract_v4sf_var_load): New insn, do variable extract from
12         memory.
13         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Split the insn
14         into two parts.  This insn only does variable extract from a
15         register.
16         (vsx_extract_<mode>_var_load, VSX_EXTRACT_I iterator): New insn,
17         do variable extract from memory.
19 2020-02-27  Martin Jambor  <mjambor@suse.cz>
20             Feng Xue  <fxue@os.amperecomputing.com>
22         PR ipa/93707
23         * ipa-cp.c (same_node_or_its_all_contexts_clone_p): Replaced with
24         new function calls_same_node_or_its_all_contexts_clone_p.
25         (cgraph_edge_brings_value_p): Use it.
26         (cgraph_edge_brings_value_p): Likewise.
27         (self_recursive_pass_through_p): Return false if caller is a clone.
28         (self_recursive_agg_pass_through_p): Likewise.
30 2020-02-27  Jan Hubicka  <hubicka@ucw.cz>
32         PR middle-end/92152
33         * alias.c (ends_tbaa_access_path_p): Break out from ...
34         (component_uses_parent_alias_set_from): ... here.
35         * alias.h (ends_tbaa_access_path_p): Declare.
36         * tree-ssa-alias.c (access_path_may_continue_p): Break out from ...;
37         handle trailing arrays past end of tbaa access path.
38         (aliasing_component_refs_p): ... here; likewise.
39         (nonoverlapping_refs_since_match_p): Track TBAA segment of the access
40         path; disambiguate also past end of it.
41         (nonoverlapping_component_refs_p): Use only TBAA segment of the access
42         path.
44 2020-02-27  Mihail Ionescu  <mihail.ionescu@arm.com>
46         * (__ARM_NUM_LANES, __arm_lane, __arm_lane_q): Move to the
47         beginning of the file.
48         (vcreate_bf16, vcombine_bf16): New.
49         (vdup_n_bf16, vdupq_n_bf16): New.
50         (vdup_lane_bf16, vdup_laneq_bf16): New.
51         (vdupq_lane_bf16, vdupq_laneq_bf16): New.
52         (vduph_lane_bf16, vduph_laneq_bf16): New.
53         (vset_lane_bf16, vsetq_lane_bf16): New.
54         (vget_lane_bf16, vgetq_lane_bf16): New.
55         (vget_high_bf16, vget_low_bf16): New.
56         (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
57         (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
58         (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
59         (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
60         (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
61         (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
62         (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
63         (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
64         (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
65         (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
66         (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New.
67         (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
68         (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
69         (vreinterpretq_bf16_p128): New.
70         (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
71         (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
72         (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
73         (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
74         (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
75         (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
76         (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
77         (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
78         (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
79         (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
80         (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
81         (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
82         (vreinterpretq_p128_bf16): New.
83         * config/arm/arm_neon_builtins.def (VDX): Add V4BF.
84         (V_elem): Likewise.
85         (V_elem_l): Likewise.
86         (VD_LANE): Likewise.
87         (VQX) Add V8BF.
88         (V_DOUBLE): Likewise.
89         (VDQX): Add V4BF and V8BF.
90         (V_two_elem, V_three_elem, V_four_elem): Likewise.
91         (V_reg): Likewise.
92         (V_HALF): Likewise.
93         (V_double_vector_mode): Likewise.
94         (V_cmp_result): Likewise.
95         (V_uf_sclr): Likewise.
96         (V_sz_elem): Likewise.
97         (Is_d_reg): Likewise.
98         (V_mode_nunits): Likewise.
99         * config/arm/neon.md (neon_vdup_lane): Enable for BFloat16.
101 2020-02-27  Andrew Stubbs  <ams@codesourcery.com>
103         * config/gcn/gcn-valu.md (VEC_SUBDWORD_MODE): New mode iterator.
104         (<expander><mode>2<exec>): Change modes to VEC_ALL1REG_INT_MODE.
105         (<expander><mode>3<exec>): Likewise.
106         (<expander><mode>3): New.
107         (v<expander><mode>3): New.
108         (<expander><mode>3): New.
109         (<expander><mode>3<exec>): Rename to ...
110         (<expander>v64si3<exec>): ... this, and change modes to V64SI.
111         * config/gcn/gcn.md (mnemonic): Use '%B' for not.
113 2020-02-27  Alexandre Oliva <oliva@adacore.com>
115         * config/vx-common.h (NO_DOLLAR_IN_LABEL, NO_DOT_IN_LABEL): Leave
116         them alone on vx7.
118 2020-02-27  Richard Biener  <rguenther@suse.de>
120         PR tree-optimization/93508
121         * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle _CHK like
122         non-_CHK variants.  Valueize their length arguments.
124 2020-02-27  Richard Biener  <rguenther@suse.de>
126         PR tree-optimization/93953
127         * tree-vect-slp.c (slp_copy_subtree): Avoid keeping a reference
128         to the hash-map entry.
130 2020-02-27  Andrew Stubbs  <ams@codesourcery.com>
132         * config/gcn/gcn.md (mov<mode>): Add transformations for BI subregs.
134 2020-02-27  Mark Williams  <mwilliams@fb.com>
136         * dwarf2out.c (file_name_acquire): Call remap_debug_filename.
137         * lto-opts.c (lto_write_options): Drop -fdebug-prefix-map,
138         -ffile-prefix-map and -fmacro-prefix-map.
139         * lto-streamer-out.c: Include file-prefix-map.h.
140         (lto_output_location): Remap the file part of locations.
142 2020-02-27  Jakub Jelinek  <jakub@redhat.com>
144         PR c/93949
145         * gimplify.c (gimplify_init_constructor): Don't promote readonly
146         DECL_REGISTER variables to TREE_STATIC.
148         PR tree-optimization/93582
149         PR tree-optimization/93945
150         * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle memset with
151         non-zero INTEGER_CST second argument and ref->offset or ref->size
152         not a multiple of BITS_PER_UNIT.
154 2020-02-27  Jonathan Wakely  <jwakely@redhat.com>
156         * doc/install.texi (Binaries): Update description of BullFreeware.
158 2020-02-26  Sandra Loosemore  <sandra@codesourcery.com>
160         PR c++/90467
162         * doc/invoke.texi (Option Summary): Re-alphabetize warnings in
163         C++ Language Options, Warning Options, and Static Analyzer
164         Options lists.  Document negative form of options enabled by
165         default.  Move some things around to more accurately sort
166         warnings by category.
167         (C++ Dialect Options, Warning Options, Static Analyzer
168         Options): Document negative form of options when enabled by
169         default.  Move some things around to more accurately sort
170         warnings by category.  Add some missing index entries.
171         Light copy-editing.
173 2020-02-26  Carl Love  <cel@us.ibm.com>
175         PR target/91276
176         * doc/extend.texi (PowerPC AltiVec Built-in Functions available on
177         ISA 2.07): The builtin-function name __builtin_crypto_vpmsumb is only
178         for the vector unsigned short arguments.  It is also listed as the
179         name of the built-in for arguments vector unsigned short,
180         vector unsigned int and vector unsigned long long built-ins.  The
181         name of the builtins for these arguments should be:
182         __builtin_crypto_vpmsumh, __builtin_crypto_vpmsumw and
183         __builtin_crypto_vpmsumd respectively.
185 2020-02-26  Richard Biener  <rguenther@suse.de>
187         * tree-vect-slp.c (vect_print_slp_tree): Also dump ref count
188         and load permutation.
190 2020-02-26  Richard Sandiford  <richard.sandiford@arm.com>
192         PR middle-end/93843
193         * optabs-tree.c (supportable_convert_operation): Reject types with
194         scalar modes.
196 2020-02-26  David Malcolm  <dmalcolm@redhat.com>
198         * Makefile.in (ANALYZER_OBJS): Add analyzer/bar-chart.o.
200 2020-02-26  Jakub Jelinek  <jakub@redhat.com>
202         PR tree-optimization/93820
203         * gimple-ssa-store-merging.c (check_no_overlap): Change RHS_CODE
204         argument to ALL_INTEGER_CST_P boolean.
205         (imm_store_chain_info::try_coalesce_bswap): Adjust caller.
206         (imm_store_chain_info::coalesce_immediate_stores): Likewise.  Handle
207         adjacent INTEGER_CST store into merged_store->only_constants like
208         overlapping one.
210 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
212         PR other/93912
213         * config/sh/sh.c (expand_cbranchdi4): Fix comment typo, probablity
214         -> probability.
215         * cfghooks.c (verify_flow_info): Likewise.
216         * predict.c (combine_predictions_for_bb): Likewise.
217         * bb-reorder.c (connect_better_edge_p): Likewise.  Fix comment typo,
218         sucessor -> successor.
219         (find_traces_1_round): Fix comment typo, destinarion -> destination.
220         * omp-expand.c (expand_oacc_for): Fix comment typo, sucessors ->
221         successors.
222         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Fix dump
223         message typo, sucessors -> successors.
225 2020-02-25  Martin Sebor  <msebor@redhat.com>
227         * doc/extend.texi (attribute access): Correct an example.
229 2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>
231         * config/aarch64/aarch64-builtins.c (aarch64_scalar_builtin_types):
232         Add simd_bf.
233         (aarch64_init_simd_builtin_scalar_types): Register simd_bf.
234         (VAR15, VAR16): New.
235         * config/aarch64/iterators.md (VALLDIF): Enable for V4BF and V8BF.
236         (VD): Enable for V4BF.
237         (VDC): Likewise.
238         (VQ): Enable for V8BF.
239         (VQ2): Likewise.
240         (VQ_NO2E): Likewise.
241         (VDBL, Vdbl): Add V4BF.
242         (V_INT_EQUIV, v_int_equiv): Add V4BF and V8BF.
243         * config/aarch64/arm_neon.h (bfloat16x4x2_t): New typedef.
244         (bfloat16x8x2_t): Likewise.
245         (bfloat16x4x3_t): Likewise.
246         (bfloat16x8x3_t): Likewise.
247         (bfloat16x4x4_t): Likewise.
248         (bfloat16x8x4_t): Likewise.
249         (vcombine_bf16): New.
250         (vld1_bf16, vld1_bf16_x2): New.
251         (vld1_bf16_x3, vld1_bf16_x4): New.
252         (vld1q_bf16, vld1q_bf16_x2): New.
253         (vld1q_bf16_x3, vld1q_bf16_x4): New.
254         (vld1_lane_bf16): New.
255         (vld1q_lane_bf16): New.
256         (vld1_dup_bf16): New.
257         (vld1q_dup_bf16): New.
258         (vld2_bf16): New.
259         (vld2q_bf16): New.
260         (vld2_dup_bf16): New.
261         (vld2q_dup_bf16): New.
262         (vld3_bf16): New.
263         (vld3q_bf16): New.
264         (vld3_dup_bf16): New.
265         (vld3q_dup_bf16): New.
266         (vld4_bf16): New.
267         (vld4q_bf16): New.
268         (vld4_dup_bf16): New.
269         (vld4q_dup_bf16): New.
270         (vst1_bf16, vst1_bf16_x2): New.
271         (vst1_bf16_x3, vst1_bf16_x4): New.
272         (vst1q_bf16, vst1q_bf16_x2): New.
273         (vst1q_bf16_x3, vst1q_bf16_x4): New.
274         (vst1_lane_bf16): New.
275         (vst1q_lane_bf16): New.
276         (vst2_bf16): New.
277         (vst2q_bf16): New.
278         (vst3_bf16): New.
279         (vst3q_bf16): New.
280         (vst4_bf16): New.
281         (vst4q_bf16): New.
283 2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>
285         * config/aarch64/iterators.md (VDQF_F16) Add V4BF and V8BF.
286         (VALL_F16): Likewise.
287         (VALLDI_F16): Likewise.
288         (Vtype): Likewise.
289         (Vetype): Likewise.
290         (vswap_width_name): Likewise.
291         (VSWAP_WIDTH): Likewise.
292         (Vel): Likewise.
293         (VEL): Likewise.
294         (q): Likewise.
295         * config/aarch64/arm_neon.h (vset_lane_bf16, vsetq_lane_bf16): New.
296         (vget_lane_bf16, vgetq_lane_bf16): New.
297         (vcreate_bf16): New.
298         (vdup_n_bf16, vdupq_n_bf16): New.
299         (vdup_lane_bf16, vdup_laneq_bf16): New.
300         (vdupq_lane_bf16, vdupq_laneq_bf16): New.
301         (vduph_lane_bf16, vduph_laneq_bf16): New.
302         (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
303         (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
304         (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
305         (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
306         (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
307         (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
308         (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
309         (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
310         (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
311         (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
312         (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New
313         (vreinterpret_bf16_f16, vreinterpretq_bf16_f16): New
314         (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
315         (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
316         (vreinterpretq_bf16_p128): New.
317         (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
318         (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
319         (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
320         (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
321         (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
322         (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
323         (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
324         (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
325         (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
326         (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
327         (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
328         (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
329         (vreinterpret_f64_bf16,vreinterpretq_f64_bf16): New.
330         (vreinterpret_f16_bf16,vreinterpretq_f16_bf16): New.
331         (vreinterpretq_p128_bf16): New.
333 2020-02-25  Dennis Zhang  <dennis.zhang@arm.com>
335         * config/arm/arm_neon.h (vbfdot_f32, vbfdotq_f32): New
336         (vbfdot_lane_f32, vbfdotq_laneq_f32): New.
337         (vbfdot_laneq_f32, vbfdotq_lane_f32): New.
338         * config/arm/arm_neon_builtins.def (vbfdot): New entry.
339         (vbfdot_lanev4bf, vbfdot_lanev8bf): Likewise.
340         * config/arm/iterators.md (VSF2BF): New attribute.
341         * config/arm/neon.md (neon_vbfdot<VCVTF:mode>): New entry.
342         (neon_vbfdot_lanev4bf<VCVTF:mode>): Likewise.
343         (neon_vbfdot_lanev8bf<VCVTF:mode>): Likewise.
345 2020-02-25  Christophe Lyon  <christophe.lyon@linaro.org>
347         * config/arm/arm.md (required_for_purecode): New attribute.
348         (enabled): Handle required_for_purecode.
349         * config/arm/thumb1.md (thumb1_movsi_insn): Add alternative to
350         work with -mpure-code.
352 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
354         PR rtl-optimization/93908
355         * combine.c (find_split_point): For store into ZERO_EXTRACT, and src
356         with mask.
358 2019-02-25  Eric Botcazou  <ebotcazou@adacore.com>
360         * dwarf2out.c (dwarf2out_size_function): Run in early-DWARF mode.
362 2020-02-25  Roman Zhuykov  <zhroma@ispras.ru>
364         * doc/install.texi (--enable-checking): Adjust wording.
366 2020-02-25  Richard Biener  <rguenther@suse.de>
368         PR tree-optimization/93868
369         * tree-vect-slp.c (slp_copy_subtree): New function.
370         (vect_attempt_slp_rearrange_stmts): Copy the SLP tree before
371         re-arranging stmts in it.
373 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
375         PR middle-end/93874
376         * passes.c (pass_manager::dump_passes): Create a cgraph node for the
377         dummy function and remove it at the end.
379         PR translation/93864
380         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Fix comment typo
381         paramter -> parameter.
382         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Likewise.
383         * ipa-prop.h (struct ipa_agg_replacement_value): Likewise.
385 2020-02-24  Roman Zhuykov  <zhroma@ispras.ru>
387         * doc/install.texi (--enable-checking): Properly document current
388         behavior.
389         (--enable-stage1-checking): Minor clarification about bootstrap.
391 2020-02-24  David Malcolm  <dmalcolm@redhat.com>
393         PR analyzer/93032
394         * doc/invoke.texi (-Wnanalyzer-tainted-array-index): Note that
395         -fanalyzer-checker=taint is also required.
396         (-fanalyzer-checker=): Note that providing this option enables the
397         given checker, and doing so may be required for checkers that are
398         disabled by default.
400 2020-02-24  David Malcolm  <dmalcolm@redhat.com>
402         * doc/invoke.texi (-fanalyzer-verbosity=): "2" only shows
403         significant control flow events; add a "3" which shows all
404         control flow events; the old "3" becomes "4".
406 2020-02-24  Jakub Jelinek  <jakub@redhat.com>
408         PR tree-optimization/93582
409         * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Consider
410         pd.offset and pd.size to be counted in bits rather than bytes, add
411         support for maxsizei that is not a multiple of BITS_PER_UNIT and
412         handle bitfield stores and loads.
413         (vn_reference_lookup_3): Don't call ranges_known_overlap_p with
414         uncomparable quantities - bytes vs. bits.  Allow push_partial_def
415         on offsets/sizes that aren't multiple of BITS_PER_UNIT and adjust
416         pd.offset/pd.size to be counted in bits rather than bytes.
417         Formatting fix.  Rename shadowed len variable to buflen.
419 2020-02-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
420             Kugan Vivekandarajah  <kugan.vivekanandarajah@linaro.org>
422         PR driver/47785
423         * gcc.c (putenv_COLLECT_AS_OPTIONS): New function.
424         (driver::main): Call putenv_COLLECT_AS_OPTIONS.
425         * opts-common.c (parse_options_from_collect_gcc_options): New function.
426         (prepend_xassembler_to_collect_as_options): Likewise.
427         * opts.h (parse_options_from_collect_gcc_options): Declare prototype.
428         (prepend_xassembler_to_collect_as_options): Likewise.
429         * lto-opts.c (lto_write_options): Stream assembler options
430         in COLLECT_AS_OPTIONS.
431         * lto-wrapper.c (xassembler_options_error): New static variable.
432         (get_options_from_collect_gcc_options): Move parsing options code to
433         parse_options_from_collect_gcc_options and call it.
434         (merge_and_complain): Validate -Xassembler options.
435         (append_compiler_options): Handle OPT_Xassembler.
436         (run_gcc): Append command line -Xassembler options to
437         collect_gcc_options.
438         * doc/invoke.texi: Add documentation about using Xassembler
439         options with LTO.
441 2020-02-24  Kito Cheng  <kito.cheng@sifive.com>
443         * config/riscv/riscv.c (riscv_emit_float_compare): Change the code gen
444         for LTGT.
445         (riscv_rtx_costs): Update cost model for LTGT.
447 2020-02-23  Vladimir Makarov  <vmakarov@redhat.com>
449         PR rtl-optimization/93564
450         * ira-color.c (struct update_cost_queue_elem): New member start.
451         (queue_update_cost, get_next_update_cost): Add new arg start.
452         (allocnos_conflict_p): New function.
453         (update_costs_from_allocno): Add new arg conflict_cost_update_p.
454         Add checking conflicts with allocnos_conflict_p.
455         (update_costs_from_prefs, restore_costs_from_copies): Adjust
456         update_costs_from_allocno calls.
457         (update_conflict_hard_regno_costs): Add checking conflicts with
458         allocnos_conflict_p.  Adjust calls of queue_update_cost and
459         get_next_update_cost.
460         (assign_hard_reg): Adjust calls of queue_update_cost.  Add
461         debugging print.
462         (bucket_allocno_compare_func): Restore previous version.
464 2020-02-21  John David Anglin  <danglin@gcc.gnu.org>
466         * gcc/config/pa/pa.c (pa_function_value): Fix check for word and
467         double-word size when handling aggregate return values.
468         * gcc/config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Fix to indicate
469         that homogeneous SFmode and DFmode aggregates are passed and returned
470         in general registers.
472 2020-02-21  Jakub Jelinek  <jakub@redhat.com>
474         PR translation/93759
475         * opts.c (print_filtered_help): Translate help before appending
476         messages to it rather than after that.
478 2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>
480         PR rtl-optimization/PR92989
481         * lra-lives.c (process_bb_lives): Restore the original order
482         of the bb liveness update.  Call make_hard_regno_dead for each
483         register clobbered at the start of an EH receiver.
485 2020-02-18  Feng Xue  <fxue@os.amperecomputing.com>
487         PR ipa/93763
488         * ipa-cp.c (self_recursively_generated_p): Mark self-dependent value as
489         self-recursively generated.
491 2020-02-21  Iain Sandoe  <iain@sandoe.co.uk>
493         PR target/93860
494         * config/darwin-c.c (pop_field_alignment): Adjust quoting of
495         error string.
497 2020-02-21  Mihail Ionescu  <mihail.ionescu@arm.com>
499         * doc/sourcebuild.texi (arm_v8_1m_mve_ok):
500         Document new target supports option.
502 2020-02-21  Dennis Zhang  <dennis.zhang@arm.com>
504         * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New.
505         * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New.
506         * config/arm/iterators.md (MATMUL): New iterator.
507         (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US.
508         (mmla_sfx): New attribute.
509         * config/arm/neon.md (neon_<sup>mmlav16qi): New.
510         * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New.
511         (UNSPEC_MATMUL_US): New.
513 2020-02-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
515         * config/arm/arm.md: Prevent scalar shifts from being used when big
516         endian is enabled.
518 2020-02-21  Jan Hubicka  <hubicka@ucw.cz>
519             Richard Biener  <rguenther@suse.de>
521         PR tree-optimization/93586
522         * tree-ssa-alias.c (nonoverlapping_array_refs_p): Finish array walk
523         after mismatched array refs; do not sure type size information to
524         recover from unmatched referneces with !flag_strict_aliasing_p.
526 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
528         * config/gcn/gcn-valu.md (gather_load<mode>): Rename to ...
529         (gather_load<mode>v64si): ... this and set operand 2 to V64SI.
530         (scatter_store<mode>): Rename to ...
531         (scatter_store<mode>v64si): ... this and set operand 1 to V64SI.
532         (scatter<mode>_exec): Delete. Move contents ...
533         (mask_scatter_store<mode>): ... here, and rename that to ...
534         (mask_gather_load<mode>v64si): ... this. Set operand 2 to V64SI.
535         Remove mode conversion.
536         (mask_gather_load<mode>): Rename to ...
537         (mask_scatter_store<mode>v64si): ... this. Set operand 1 to V64SI.
538         Remove mode conversion.
539         * config/gcn/gcn.c (gcn_expand_scaled_offsets): Remove mode conversion.
541 2020-02-21  Martin Jambor  <mjambor@suse.cz>
543         PR tree-optimization/93845
544         * tree-sra.c (verify_sra_access_forest): Only test access size of
545         scalar types.
547 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
549         * config/gcn/gcn.c (gcn_hard_regno_mode_ok): Align VGPR pairs.
550         * config/gcn/gcn-valu.md (addv64di3): Remove early-clobber.
551         (addv64di3_exec): Likewise.
552         (subv64di3): Likewise.
553         (subv64di3_exec): Likewise.
554         (addv64di3_zext): Likewise.
555         (addv64di3_zext_exec): Likewise.
556         (addv64di3_zext_dup): Likewise.
557         (addv64di3_zext_dup_exec): Likewise.
558         (addv64di3_zext_dup2): Likewise.
559         (addv64di3_zext_dup2_exec): Likewise.
560         (addv64di3_sext_dup2): Likewise.
561         (addv64di3_sext_dup2_exec): Likewise.
562         (<expander>v64di3): Likewise.
563         (<expander>v64di3_exec): Likewise.
564         (*<reduc_op>_dpp_shr_v64di): Likewise.
565         (*plus_carry_dpp_shr_v64di): Likewise.
566         * config/gcn/gcn.md (adddi3): Likewise.
567         (addptrdi3): Likewise.
568         (<expander>di3): Likewise.
570 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
572         * config/gcn/gcn-valu.md (vec_seriesv64di): Use gen_vec_duplicatev64di.
574 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
576         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Add SVE
577         support.  Use aarch64_emit_mult instead of emitting multiplication
578         instructions directly.
579         * config/aarch64/aarch64-sve.md (sqrt<mode>2, rsqrt<mode>2)
580         (@aarch64_rsqrte<mode>, @aarch64_rsqrts<mode>): New expanders.
582 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
584         * config/aarch64/aarch64.c (aarch64_emit_mult): New function.
585         (aarch64_emit_approx_div): Add SVE support.  Use aarch64_emit_mult
586         instead of emitting multiplication instructions directly.
587         * config/aarch64/iterators.md (SVE_COND_FP_BINARY_OPTAB): New iterator.
588         * config/aarch64/aarch64-sve.md (div<mode>3, @aarch64_frecpe<mode>)
589         (@aarch64_frecps<mode>): New expanders.
591 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
593         * config/aarch64/aarch64-protos.h (AARCH64_APPROX_MODE): Operate
594         on and produce uint64_ts rather than ints.
595         (AARCH64_APPROX_NONE, AARCH64_APPROX_ALL): Change to uint64_ts.
596         (cpu_approx_modes): Change the fields from unsigned int to uint64_t.
598 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
600         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Don't create
601         an unused xmsk register when handling approximate rsqrt.
603 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
605         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Fix inverted
606         flag_finite_math_only condition.
608 2020-02-20  UroÅ¡ Bizjak  <ubizjak@gmail.com>
610         PR target/93828
611         * config/i386/mmx.md (*vec_extractv2sf_1): Match source operand
612         to destination operand for shufps alternative.
613         (*vec_extractv2si_1): Ditto.
615 2020-02-20  Peter Bergner  <bergner@linux.ibm.com>
617         PR target/93658
618         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX
619         vector modes.
621 2020-02-20  Martin Liska  <mliska@suse.cz>
623         PR translation/93831
624         * config/darwin.c (darwin_override_options): Change 64b to 64-bit mode.
626 2020-02-20  Martin Liska  <mliska@suse.cz>
628         PR translation/93830
629         * common/config/avr/avr-common.c: Remote trailing "|".
631 2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
633         * collect2.c (maybe_run_lto_and_relink): Fix typo in
634         comment.
636 2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>
638         PR tree-optimization/93767
639         * tree-vect-data-refs.c (vect_compile_time_alias): Remove the
640         access-size bias from the offset calculations for negative strides.
642 2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
644         * collect2.c (c_file, o_file): Make const again.
645         (ldout,lderrout, dump_ld_file): Remove.
646         (tool_cleanup): Avoid calling not signal-safe functions.
647         (maybe_run_lto_and_relink): Avoid possible signal handler
648         access to unintialzed memory (lto_o_files).
649         (main): Avoid leaking temp files in $TMPDIR.
650         Initialize c_file/o_file with concat, which avoids exposing
651         uninitialized memory to signal handler, which calls unlink(!).
652         Avoid calling maybe_unlink when the main function returns,
653         since the atexit handler is already doing this.
654         * collect2.h (dump_ld_file, ldout, lderrout): Remove.
656 2020-02-19  Martin Jambor  <mjambor@suse.cz>
658         PR tree-optimization/93776
659         * tree-sra.c (create_access): Do not create zero size accesses.
660         (get_access_for_expr): Do not search for zero sized accesses.
662 2020-02-19  Martin Jambor  <mjambor@suse.cz>
664         PR tree-optimization/93667
665         * tree-sra.c (scalarizable_type_p): Return false if record fields
666         do not follow wach other.
668 2020-01-21  Kito Cheng  <kito.cheng@sifive.com>
670         * config/riscv/riscv.c (riscv_output_move) Using fmv.x.w/fmv.w.x
671         rather than fmv.x.s/fmv.s.x.
673 2020-02-18  James Greenhalgh  <james.greenhalgh@arm.com>
675         * config/aarch64/aarch64-simd-builtins.def
676         (intrinsic_vec_smult_lo_): New.
677         (intrinsic_vec_umult_lo_): Likewise.
678         (vec_widen_smult_hi_): Likewise.
679         (vec_widen_umult_hi_): Likewise.
680         * config/aarch64/aarch64-simd.md
681         (aarch64_intrinsic_vec_<su>mult_lo_<mode>): New.
682         * config/aarch64/arm_neon.h (vmull_high_s8): Use intrinsics.
683         (vmull_high_s16): Likewise.
684         (vmull_high_s32): Likewise.
685         (vmull_high_u8): Likewise.
686         (vmull_high_u16): Likewise.
687         (vmull_high_u32): Likewise.
688         (vmull_s8): Likewise.
689         (vmull_s16): Likewise.
690         (vmull_s32): Likewise.
691         (vmull_u8): Likewise.
692         (vmull_u16): Likewise.
693         (vmull_u32): Likewise.
695 2020-02-18  Martin Liska  <mliska@suse.cz>
697         * value-prof.c (stream_out_histogram_value): Restore LTO PGO
698         bootstrap by missing removal of invalid sanity check.
700 2020-02-18  Martin Liska  <mliska@suse.cz>
702         PR ipa/92518
703         * ipa-icf-gimple.c (func_checker::compare_gimple_assign):
704         Always compare LHS of gimple_assign.
706 2020-02-18  Martin Liska  <mliska@suse.cz>
708         PR ipa/93583
709         * cgraph.c (cgraph_node::verify_node): Verify MALLOC attribute
710         and return type of functions.
711         * ipa-param-manipulation.c (ipa_param_adjustments::adjust_decl):
712         Drop MALLOC attribute for void functions.
713         * ipa-pure-const.c (funct_state_summary_t::duplicate): Drop
714         malloc_state for a new VOID clone.
716 2020-02-18  Martin Liska  <mliska@suse.cz>
718         PR ipa/92924
719         * common.opt: Add -fprofile-reproducibility.
720         * doc/invoke.texi: Document it.
721         * value-prof.c (dump_histogram_value):
722         Document and support behavior for counters[0]
723         being a negative value.
724         (get_nth_most_common_value): Handle negative
725         counters[0] in respect to flag_profile_reproducible.
727 2020-02-18  Jakub Jelinek  <jakub@redhat.com>
729         PR ipa/93797
730         * cgraph.c (verify_speculative_call): Use speculative_id instead of
731         speculative_uid in messages.  Remove trailing whitespace from error
732         message.  Use num_speculative_call_targets instead of
733         num_speculative_targets in a message.
734         (cgraph_node::verify_node): Use call_stmt instead of cal_stmt in
735         edge messages and stmt instead of cal_stmt in reference message.
737         PR tree-optimization/93780
738         * tree-ssa.c (non_rewritable_lvalue_p): Check valid_vector_subparts_p
739         before calling build_vector_type.
740         (execute_update_addresses_taken): Likewise.
742         PR driver/93796
743         * params.opt (-param=ipa-max-switch-predicate-bounds=): Fix help
744         typo, functoin -> function.
745         * tree.c (free_lang_data_in_decl): Fix comment typo,
746         functoin -> function.
747         * ipa-visibility.c (cgraph_externally_visible_p): Likewise.
749 2020-02-17  David Malcolm  <dmalcolm@redhat.com>
751         * diagnostic.c (print_any_cwe): Don't call get_cwe_url if URLs
752         won't be printed.
753         (print_option_information): Don't call get_option_url if URLs
754         won't be printed.
756 2020-02-17  Alexandre Oliva  <oliva@adacore.com>
758         * tree-emutls.c (new_emutls_decl, emutls_common_1): Complete
759         handling of register_common-less targets.
761 2020-02-17  Martin Liska  <mliska@suse.cz>
763         PR ipa/93760
764         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar.
766 2020-02-17  Martin Liska  <mliska@suse.cz>
768         PR translation/93755
769         * config/rs6000/rs6000.c (rs6000_option_override_internal):
770         Fix double quotes.
772 2020-02-17  Martin Liska  <mliska@suse.cz>
774         PR other/93756
775         * config/rx/elf.opt: Fix typo.
777 2020-02-17  Richard Biener  <rguenther@suse.de>
779         PR c/86134
780         * opts-global.c (print_ignored_options): Use inform and
781         amend message.
783 2020-02-17  Jiufu Guo  <guojiufu@linux.ibm.com>
785         PR target/93047
786         * config/rs6000/rs6000.md (untyped_call): Add emit_clobber.
788 2020-02-16  UroÅ¡ Bizjak  <ubizjak@gmail.com>
790         PR target/93743
791         * config/i386/i386.md (atan2xf3): Swap operands 1 and 2.
792         (atan2<mode>3): Update operand order in the call to gen_atan2xf3.
794 2020-02-15  Jason Merrill  <jason@redhat.com>
796         * doc/invoke.texi (C Dialect Options): Add -std=c++20.
798 2020-02-15  Jakub Jelinek  <jakub@redhat.com>
800         PR tree-optimization/93744
801         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0,
802         A - ((A - B) & -(C cmp D)) -> (C cmp D) ? B : A,
803         A + ((B - A) & -(C cmp D)) -> (C cmp D) ? B : A): For GENERIC, make
804         sure @2 in the first and @1 in the other patterns has no side-effects.
806 2020-02-15  David Malcolm  <dmalcolm@redhat.com>
807             Bernd Edlinger  <bernd.edlinger@hotmail.de>
809         PR 87488
810         PR other/93168
811         * config.in (DIAGNOSTICS_URLS_DEFAULT): New define.
812         * configure.ac (--with-diagnostics-urls): New configuration
813         option, based on --with-diagnostics-color.
814         (DIAGNOSTICS_URLS_DEFAULT): New define.
815         * config.h: Regenerate.
816         * configure: Regenerate.
817         * diagnostic.c (diagnostic_urls_init): Handle -1 for
818         DIAGNOSTICS_URLS_DEFAULT from configure-time
819         --with-diagnostics-urls=auto-if-env by querying for a GCC_URLS
820         and TERM_URLS environment variable.
821         * diagnostic-url.h (diagnostic_url_format): New enum type.
822         (diagnostic_urls_enabled_p): rename to...
823         (determine_url_format): ... this, and change return type.
824         * diagnostic-color.c (parse_env_vars_for_urls): New helper function.
825         (auto_enable_urls): Disable URLs on xfce4-terminal, gnome-terminal,
826         the linux console, and mingw.
827         (diagnostic_urls_enabled_p): rename to...
828         (determine_url_format): ... this, and adjust.
829         * pretty-print.h (pretty_printer::show_urls): rename to...
830         (pretty_printer::url_format): ... this, and change to enum.
831         * pretty-print.c (pretty_printer::pretty_printer,
832         pp_begin_url, pp_end_url, test_urls): Adjust.
833         * doc/install.texi (--with-diagnostics-urls): Document the new
834         configuration option.
835         (--with-diagnostics-color): Document the existing interaction
836         with GCC_COLORS better.
837         * doc/invoke.texi (-fdiagnostics-urls): Add GCC_URLS and TERM_URLS
838         vindex reference.  Update description of defaults based on the above.
839         (-fdiagnostics-color): Update description of how -fdiagnostics-color
840         interacts with GCC_COLORS.
842 2020-02-14  Eric Botcazou  <ebotcazou@adacore.com>
844         PR target/93704
845         * config/sparc/sparc.c (eligible_for_call_delay): Test HAVE_GNU_LD in
846         conjunction with TARGET_GNU_TLS in early return.
848 2020-02-14  Alexander Monakov  <amonakov@ispras.ru>
850         * rtlanal.c (rtx_cost): Handle a SET up front. Avoid division if
851         the mode is not wider than UNITS_PER_WORD.
853 2020-02-14  Martin Jambor  <mjambor@suse.cz>
855         PR tree-optimization/93516
856         * tree-sra.c (propagate_subaccesses_from_rhs): Do not create
857         access of the same type as the parent.
858         (propagate_subaccesses_from_lhs): Likewise.
860 2020-02-14 Hongtao Liu  <hongtao.liu@intel.com>
862         PR target/93724
863         * config/i386/avx512vbmi2intrin.h
864         (_mm512_shrdi_epi16, _mm512_mask_shrdi_epi16,
865         _mm512_maskz_shrdi_epi16, _mm512_shrdi_epi32,
866         _mm512_mask_shrdi_epi32, _mm512_maskz_shrdi_epi32,
867         _m512_shrdi_epi64, _m512_mask_shrdi_epi64,
868         _m512_maskz_shrdi_epi64, _mm512_shldi_epi16,
869         _mm512_mask_shldi_epi16, _mm512_maskz_shldi_epi16,
870         _mm512_shldi_epi32, _mm512_mask_shldi_epi32,
871         _mm512_maskz_shldi_epi32, _mm512_shldi_epi64,
872         _mm512_mask_shldi_epi64, _mm512_maskz_shldi_epi64): Fix typo
873         of lacking a closing parenthesis.
874         * config/i386/avx512vbmi2vlintrin.h
875         (_mm256_shrdi_epi16, _mm256_mask_shrdi_epi16,
876         _mm256_maskz_shrdi_epi16, _mm256_shrdi_epi32,
877         _mm256_mask_shrdi_epi32, _mm256_maskz_shrdi_epi32,
878         _m256_shrdi_epi64, _m256_mask_shrdi_epi64,
879         _m256_maskz_shrdi_epi64, _mm256_shldi_epi16,
880         _mm256_mask_shldi_epi16, _mm256_maskz_shldi_epi16,
881         _mm256_shldi_epi32, _mm256_mask_shldi_epi32,
882         _mm256_maskz_shldi_epi32, _mm256_shldi_epi64,
883         _mm256_mask_shldi_epi64, _mm256_maskz_shldi_epi64,
884         _mm_shrdi_epi16, _mm_mask_shrdi_epi16,
885         _mm_maskz_shrdi_epi16, _mm_shrdi_epi32,
886         _mm_mask_shrdi_epi32, _mm_maskz_shrdi_epi32,
887         _mm_shrdi_epi64, _mm_mask_shrdi_epi64,
888         _m_maskz_shrdi_epi64, _mm_shldi_epi16,
889         _mm_mask_shldi_epi16, _mm_maskz_shldi_epi16,
890         _mm_shldi_epi32, _mm_mask_shldi_epi32,
891         _mm_maskz_shldi_epi32, _mm_shldi_epi64,
892         _mm_mask_shldi_epi64, _mm_maskz_shldi_epi64): Ditto.
894 2020-02-13  H.J. Lu  <hongjiu.lu@intel.com>
896         PR target/93656
897         * config/i386/i386.c (ix86_trampoline_init): Skip ENDBR32 at
898         the target function entry.
900 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
902         * common/config/arc/arc-common.c (arc_option_optimization_table):
903         Disable if-conversion step when optimized for size.
905 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
907         * config/arc/arc.c (arc_conditional_register_usage): R0-R3 and
908         R12-R15 are always in ARCOMPACT16_REGS register class.
909         * config/arc/arc.opt (mq-class): Deprecate.
910         * config/arc/constraint.md ("q"): Remove dependency on mq-class
911         option.
912         * doc/invoke.texi (mq-class): Update text.
913         * common/config/arc/arc-common.c (arc_option_optimization_table):
914         Update list.
916 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
918         * config/arc/arc.c (arc_insn_cost): New function.
919         (TARGET_INSN_COST): Define.
920         * config/arc/arc.md (cost): New attribute.
921         (add_n): Use arc_nonmemory_operand.
922         (ashlsi3_insn): Likewise, also update constraints.
923         (ashrsi3_insn): Likewise.
924         (rotrsi3): Likewise.
925         (add_shift): Likewise.
926         * config/arc/predicates.md (arc_nonmemory_operand): New predicate.
928 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
930         * config/arc/arc.md (mulsidi_600): Correctly select mlo/mhi
931         registers.
932         (umulsidi_600): Likewise.
934 2020-02-13  Jakub Jelinek  <jakub@redhat.com>
936         PR target/93696
937         * config/i386/avx512bitalgintrin.h (_mm512_mask_popcnt_epi8,
938         _mm512_mask_popcnt_epi16, _mm256_mask_popcnt_epi8,
939         _mm256_mask_popcnt_epi16, _mm_mask_popcnt_epi8,
940         _mm_mask_popcnt_epi16): Rename __B argument to __A and __A to __W,
941         pass __A to the builtin followed by __W instead of __A followed by
942         __B.
943         * config/i386/avx512vpopcntdqintrin.h (_mm512_mask_popcnt_epi32,
944         _mm512_mask_popcnt_epi64): Likewise.
945         * config/i386/avx512vpopcntdqvlintrin.h (_mm_mask_popcnt_epi32,
946         _mm256_mask_popcnt_epi32, _mm_mask_popcnt_epi64,
947         _mm256_mask_popcnt_epi64): Likewise.
949         PR tree-optimization/93582
950         * fold-const.h (shift_bytes_in_array_left,
951         shift_bytes_in_array_right): Declare.
952         * fold-const.c (shift_bytes_in_array_left,
953         shift_bytes_in_array_right): New function, moved from
954         gimple-ssa-store-merging.c, no longer static.
955         * gimple-ssa-store-merging.c (shift_bytes_in_array): Move
956         to gimple-ssa-store-merging.c and rename to shift_bytes_in_array_left.
957         (shift_bytes_in_array_right): Move to gimple-ssa-store-merging.c.
958         (encode_tree_to_bitpos): Use shift_bytes_in_array_left instead of
959         shift_bytes_in_array.
960         (verify_shift_bytes_in_array): Rename to ...
961         (verify_shift_bytes_in_array_left): ... this.  Use
962         shift_bytes_in_array_left instead of shift_bytes_in_array.
963         (store_merging_c_tests): Call verify_shift_bytes_in_array_left
964         instead of verify_shift_bytes_in_array.
965         * tree-ssa-sccvn.c (vn_reference_lookup_3): For native_encode_expr
966         / native_interpret_expr where the store covers all needed bits,
967         punt on PDP-endian, otherwise allow all involved offsets and sizes
968         not to be byte-aligned.
970         PR target/93673
971         * config/i386/sse.md (k<code><mode>): Drop mode from last operand and
972         use const_0_to_255_operand predicate instead of immediate_operand.
973         (avx512dq_fpclass<mode><mask_scalar_merge_name>,
974         avx512dq_vmfpclass<mode><mask_scalar_merge_name>,
975         vgf2p8affineinvqb_<mode><mask_name>,
976         vgf2p8affineqb_<mode><mask_name>): Drop mode from
977         const_0_to_255_operand predicated operands.
979 2020-02-12  Jeff Law  <law@redhat.com>
981         * config/h8300/h8300.md (comparison shortening peepholes): Use
982         a mode iterator to merge the HImode and SImode peepholes.
984 2020-02-12  Jakub Jelinek  <jakub@redhat.com>
986         PR middle-end/93663
987         * real.c (is_even): Make static.  Function comment fix.
988         (is_halfway_below): Make static, don't assert R is not inf/nan,
989         instead return false for those.  Small formatting fixes.
991 2020-02-12  Martin Sebor  <msebor@redhat.com>
993         PR middle-end/93646
994         * tree-ssa-strlen.c (handle_builtin_stxncpy): Rename...
995         (handle_builtin_stxncpy_strncat): ...to this.  Change first argument.
996         Issue only -Wstringop-overflow strncat, never -Wstringop-truncation.
997         (strlen_check_and_optimize_call): Adjust callee name.
999 2020-02-12  Jeff Law  <law@redhat.com>
1001         * config/h8300/h8300.md (comparison shortening peepholes): Drop
1002         (and (xor)) variant.  Combine other two into single peephole.
1004 2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>
1006         PR rtl-optimization/93565
1007         * config/aarch64/aarch64.c (aarch64_rtx_costs): Add CTZ costs.
1009 2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>
1011         * config/aarch64/aarch64-simd.md
1012         (aarch64_zero_extend<GPI:mode>_reduc_plus_<VDQV_E:mode>): New pattern.
1013         * config/aarch64/aarch64.md (popcount<mode>2): Use it instead of
1014         generating separate ADDV and zero_extend patterns.
1015         * config/aarch64/iterators.md (VDQV_E): New iterator.
1017 2020-02-12  Jeff Law  <law@redhat.com>
1019         * config/h8300/h8300.md (cpymemsi, movmd): Remove dead patterns,
1020         expanders, splits, etc.
1021         (movmd_internal_<mode>, movmd splitter, movstr, movsd): Likewise.
1022         (stpcpy_internal_<mode>, stpcpy splitter): Likewise.
1023         (peepholes to convert QI/HI mode pushes to SI mode pushes): Likewise.
1024         * config/h8300/h8300.c (h8300_swap_into_er6): Remove unused function.
1025         (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise
1026         * config/h8300/h8300-protos.h (h8300_swap_into_er6): Remove unused
1027         function prototype.
1028         (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise.
1030 2020-02-12  Jakub Jelinek  <jakub@redhat.com>
1032         PR target/93670
1033         * config/i386/sse.md (VI48F_256_DQ): New mode iterator.
1034         (avx512vl_vextractf128<mode>): Use it instead of VI48F_256.  Remove
1035         TARGET_AVX512DQ from condition.
1036         (vec_extract_lo_<mode><mask_name>): Use <mask_avx512dq_condition>
1037         instead of <mask_mode512bit_condition> in condition.  If
1038         TARGET_AVX512DQ is false, emit vextract*64x4 instead of
1039         vextract*32x8.
1040         (vec_extract_lo_<mode><mask_name>): Drop <mask_avx512dq_condition>
1041         from condition.
1043 2020-02-12  Kewen Lin  <linkw@gcc.gnu.org>
1045         PR target/91052
1046         * ira.c (combine_and_move_insns): Skip multiple_sets def_insn.
1048 2020-02-12  Segher Boessenkool  <segher@kernel.crashing.org>
1050         * config/rs6000/rs6000.c (rs6000_debug_print_mode): Don't use sizeof
1051         where strlen is more legible.
1052         (rs6000_builtin_vectorized_libmass): Ditto.
1053         (rs6000_print_options_internal): Ditto.
1055 2020-02-11  Martin Sebor  <msebor@redhat.com>
1057         PR tree-optimization/93683
1058         * tree-ssa-alias.c (stmt_kills_ref_p): Avoid using LHS when not set.
1060 2020-02-11  Michael Meissner  <meissner@linux.ibm.com>
1062         * config/rs6000/predicates.md (cint34_operand): Rename the
1063         -mprefixed-addr option to be -mprefixed.
1064         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Rename
1065         the -mprefixed-addr option to be -mprefixed.
1066         (OTHER_FUTURE_MASKS): Likewise.
1067         (POWERPC_MASKS): Likewise.
1068         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
1069         the -mprefixed-addr option to be -mprefixed.  Change error
1070         messages to refer to -mprefixed.
1071         (num_insns_constant_gpr): Rename the -mprefixed-addr option to be
1072         -mprefixed.
1073         (rs6000_legitimate_offset_address_p): Likewise.
1074         (rs6000_mode_dependent_address): Likewise.
1075         (rs6000_opt_masks): Change the spelling of "-mprefixed-addr" to be
1076         "-mprefixed" for target attributes and pragmas.
1077         (address_to_insn_form): Rename the -mprefixed-addr option to be
1078         -mprefixed.
1079         (rs6000_adjust_insn_length): Likewise.
1080         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Rename the
1081         -mprefixed-addr option to be -mprefixed.
1082         (ASM_OUTPUT_OPCODE): Likewise.
1083         * config/rs6000/rs6000.md (prefixed insn attribute): Rename the
1084         -mprefixed-addr option to be -mprefixed.
1085         * config/rs6000/rs6000.opt (-mprefixed): Rename the
1086         -mprefixed-addr option to be prefixed.  Change the option from
1087         being undocumented to being documented.
1088         * doc/invoke.texi (RS/6000 and PowerPC Options): Document the
1089         -mprefixed option.  Update the -mpcrel documentation to mention
1090         -mprefixed.
1092 2020-02-11  Hans-Peter Nilsson  <hp@axis.com>
1094         * ira-conflicts.c (print_hard_reg_set): Correct output for sets
1095         including FIRST_PSEUDO_REGISTER - 1.
1096         * ira-color.c (print_hard_reg_set): Ditto.
1098 2020-02-11  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1100         * config/arm/arm-builtins.c (enum arm_type_qualifiers): 
1101         (USTERNOP_QUALIFIERS): New define.
1102         (USMAC_LANE_QUADTUP_QUALIFIERS): New define.
1103         (SUMAC_LANE_QUADTUP_QUALIFIERS): New define.
1104         (arm_expand_builtin_args): Add case ARG_BUILTIN_LANE_QUADTUP_INDEX.
1105         (arm_expand_builtin_1): Add qualifier_lane_quadtup_index.
1106         * config/arm/arm_neon.h (vusdot_s32): New.
1107         (vusdot_lane_s32): New.
1108         (vusdotq_lane_s32): New.
1109         (vsudot_lane_s32): New.
1110         (vsudotq_lane_s32): New.
1111         * config/arm/arm_neon_builtins.def (usdot, usdot_lane,sudot_lane): New.
1112         * config/arm/iterators.md (DOTPROD_I8MM): New.
1113         (sup, opsuffix): Add <us/su>.
1114         * config/arm/neon.md (neon_usdot, <us/su>dot_lane: New.
1115         * config/arm/unspecs.md (UNSPEC_DOT_US, UNSPEC_DOT_SU): New.
1117 2020-02-11  Richard Biener  <rguenther@suse.de>
1119         PR tree-optimization/93661
1120         PR tree-optimization/93662
1121         * tree-ssa-sccvn.c (vn_reference_lookup_3): Properly guard
1122         tree_to_poly_int64.
1123         * tree-sra.c (get_access_for_expr): Likewise.
1125 2020-02-10  Jakub Jelinek  <jakub@redhat.com>
1127         PR target/93637
1128         * config/i386/sse.md (VI_256_AVX2): New mode iterator.
1129         (vcond_mask_<mode><sseintvecmodelower>): Use it instead of VI_256.
1130         Change condition from TARGET_AVX2 to TARGET_AVX.
1132 2020-02-10  Iain Sandoe  <iain@sandoe.co.uk>
1134         PR other/93641
1135         * config/darwin-c.c (darwin_cfstring_ref_p): Fix up last
1136         argument of strncmp.
1138 2020-02-10  Hans-Peter Nilsson  <hp@axis.com>
1140         Try to generate zero-based comparisons.
1141         * config/cris/cris.c (cris_reduce_compare): New function.
1142         * config/cris/cris-protos.h  (cris_reduce_compare): Add prototype.
1143         * config/cris/cris.md ("cbranch<mode>4", "cbranchdi4", "cstoredi4")
1144         (cstore<mode>4"): Apply cris_reduce_compare in expanders.
1146 2020-02-10  Richard Earnshaw  <rearnsha@arm.com>
1148         PR target/91913
1149         * config/arm/arm.md (movsi_compare0): Allow SP as a source register
1150         in Thumb state and also as a destination in Arm state.  Add T16
1151         variants.
1153 2020-02-10  Hans-Peter Nilsson  <hp@axis.com>
1155         * md.texi (Define Subst): Match closing paren in example.
1157 2020-02-10  Jakub Jelinek  <jakub@redhat.com>
1159         PR target/58218
1160         PR other/93641
1161         * config/i386/i386.c (x86_64_elf_section_type_flags): Fix up last
1162         arguments of strncmp.
1164 2020-02-10  Feng Xue  <fxue@os.amperecomputing.com>
1166         PR ipa/93203
1167         * ipa-cp.c (ipcp_lattice::add_value): Add source with same call edge
1168         but different source value.
1169         (adjust_callers_for_value_intersection): New function.
1170         (gather_edges_for_value): Adjust order of callers to let a
1171         non-self-recursive caller be the first element.
1172         (self_recursive_pass_through_p): Add a new parameter "simple", and
1173         check generalized self-recursive pass-through jump function.
1174         (self_recursive_agg_pass_through_p): Likewise.
1175         (find_more_scalar_values_for_callers_subset): Compute value from
1176         pass-through jump function for self-recursive.
1177         (intersect_with_plats): Cleanup previous implementation code for value
1178         itersection with self-recursive call edge.
1179         (intersect_with_agg_replacements): Likewise.
1180         (intersect_aggregates_with_edge): Deduce value from pass-through jump
1181         function for self-recursive call edge.  Cleanup previous implementation
1182         code for value intersection with self-recursive call edge.
1183         (decide_whether_version_node): Remove dead callers and adjust order
1184         to let a non-self-recursive caller be the first element.
1186 2020-02-09  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1188         * recog.c: Move pass_split_before_sched2 code in front of
1189         pass_split_before_regstack.
1190         (pass_data_split_before_sched2): Rename pass to split3 from split4.
1191         (pass_data_split_before_regstack): Rename pass to split4 from split3.
1192         (rest_of_handle_split_before_sched2): Remove.
1193         (pass_split_before_sched2::execute): Unconditionally call
1194         split_all_insns.
1195         (enable_split_before_sched2): New function.
1196         (pass_split_before_sched2::gate): Use enable_split_before_sched2.
1197         (pass_split_before_regstack::gate): Ditto.
1198         * config/nds32/nds32.c (nds32_split_double_word_load_store_p):
1199         Update name check for renamed split4 pass.
1200         * config/sh/sh.c (register_sh_passes): Update pass insertion
1201         point for renamed split4 pass.
1203 2020-02-09  Jakub Jelinek  <jakub@redhat.com>
1205         * gimplify.c (gimplify_adjust_omp_clauses_1): Promote
1206         DECL_IN_CONSTANT_POOL variables into "omp declare target" to avoid
1207         copying them around between host and target.
1209 2020-02-08  Andrew Pinski  <apinski@marvell.com>
1211         PR target/91927
1212         * config/aarch64/aarch64-simd.md (movmisalign<mode>): Check
1213         STRICT_ALIGNMENT also.
1215 2020-02-08  Jim Wilson  <jimw@sifive.com>
1217         PR target/93532
1218         * config/riscv/riscv.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
1220 2020-02-08  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1221             Jakub Jelinek  <jakub@redhat.com>
1223         PR target/65782
1224         * config/i386/i386.h (CALL_USED_REGISTERS): Make
1225         xmm16-xmm31 call-used even in 64-bit ms-abi.
1227 2020-02-07  Dennis Zhang  <dennis.zhang@arm.com>
1229         * config/aarch64/aarch64-simd-builtins.def (simd_smmla): New entry.
1230         (simd_ummla, simd_usmmla): Likewise.
1231         * config/aarch64/aarch64-simd.md (aarch64_simd_<sur>mmlav16qi): New.
1232         * config/aarch64/arm_neon.h (vmmlaq_s32, vmmlaq_u32): New.
1233         (vusmmlaq_s32): New.
1235 2020-02-07  Richard Biener  <rguenther@suse.de>
1237         PR middle-end/93519
1238         * tree-inline.c (fold_marked_statements): Do a PRE walk,
1239         skipping unreachable regions.
1240         (optimize_inline_calls): Skip folding stmts when we didn't
1241         inline.
1243 2020-02-07  H.J. Lu  <hongjiu.lu@intel.com>
1245         PR target/85667
1246         * config/i386/i386.c (function_arg_ms_64): Add a type argument.
1247         Don't return aggregates with only SFmode and DFmode in SSE
1248         register.
1249         (ix86_function_arg): Pass arg.type to function_arg_ms_64.
1251 2020-02-07  Jakub Jelinek  <jakub@redhat.com>
1253         PR target/93122
1254         * config/rs6000/rs6000-logue.c
1255         (rs6000_emit_probe_stack_range_stack_clash): Always use gen_add3_insn,
1256         if it fails, move rs into end_addr and retry.  Add
1257         REG_FRAME_RELATED_EXPR note whenever it returns more than one insn or
1258         the insn pattern doesn't describe well what exactly happens to
1259         dwarf2cfi.c.
1261         PR target/93594
1262         * config/i386/predicates.md (avx_identity_operand): Remove.
1263         * config/i386/sse.md (*avx_vec_concat<mode>_1): Remove.
1264         (avx_<castmode><avxsizesuffix>_<castmode>,
1265         avx512f_<castmode><avxsizesuffix>_256<castmode>): Change patterns to
1266         a VEC_CONCAT of the operand and UNSPEC_CAST.
1267         (avx512f_<castmode><avxsizesuffix>_<castmode>): Change pattern to
1268         a VEC_CONCAT of VEC_CONCAT of the operand and UNSPEC_CAST with
1269         UNSPEC_CAST.
1271         PR target/93611
1272         * config/i386/i386.c (ix86_lea_outperforms): Make sure to clear
1273         recog_data.insn if distance_non_agu_define changed it.
1275 2020-02-06  Michael Meissner  <meissner@linux.ibm.com>
1277         PR target/93569
1278         * config/rs6000/rs6000.c (reg_to_non_prefixed): Before ISA 3.0
1279         we only had X-FORM (reg+reg) addressing for vectors.  Also before
1280         ISA 3.0, we only had X-FORM addressing for scalars in the
1281         traditional Altivec registers.
1283 2020-02-06  <zhongyunde@huawei.com>
1284             Vladimir Makarov  <vmakarov@redhat.com>
1286         PR rtl-optimization/93561
1287         * lra-assigns.c (spill_for): Check that tested hard regno is not out of
1288         hard register range.
1290 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1292         * config/aarch64/aarch64.md (aarch64_movk<mode>): Add a type
1293         attribute.
1295 2020-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
1297         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Handle the case
1298         where the low and the high 32 bits are equal to each other specially,
1299         with an rldimi instruction.
1301 2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>
1303         * config/arm/arm-cpus.in: Set profile M for armv8.1-m.main.
1305 2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>
1307         * config/arm/arm-tables.opt: Regenerate.
1309 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1311         PR target/87763
1312         * config/aarch64/aarch64-protos.h (aarch64_movk_shift): Declare.
1313         * config/aarch64/aarch64.c (aarch64_movk_shift): New function.
1314         * config/aarch64/aarch64.md (aarch64_movk<mode>): New pattern.
1316 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1318         PR rtl-optimization/87763
1319         * config/aarch64/aarch64.md (*ashiftsi_extvdi_bfiz): New pattern.
1321 2020-02-06  Delia Burduv  <delia.burduv@arm.com>
1323         * config/aarch64/aarch64-simd-builtins.def
1324         (bfmlaq): New built-in function.
1325         (bfmlalb): New built-in function.
1326         (bfmlalt): New built-in function.
1327         (bfmlalb_lane): New built-in function.
1328         (bfmlalt_lane): New built-in function.
1329         * config/aarch64/aarch64-simd.md
1330         (aarch64_bfmmlaqv4sf): New pattern.
1331         (aarch64_bfmlal<bt>v4sf): New pattern.
1332         (aarch64_bfmlal<bt>_lane<q>v4sf): New pattern.
1333         * config/aarch64/arm_neon.h (vbfmmlaq_f32): New intrinsic.
1334         (vbfmlalbq_f32): New intrinsic.
1335         (vbfmlaltq_f32): New intrinsic.
1336         (vbfmlalbq_lane_f32): New intrinsic.
1337         (vbfmlaltq_lane_f32): New intrinsic.
1338         (vbfmlalbq_laneq_f32): New intrinsic.
1339         (vbfmlaltq_laneq_f32): New intrinsic.
1340         * config/aarch64/iterators.md (BF_MLA): New int iterator.
1341         (bt): New int attribute.
1343 2020-02-06  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1345         * config/i386/i386.md (*pushtf): Emit "#" instead of
1346         calling gcc_unreachable in insn output.
1347         (*pushxf): Ditto.
1348         (*pushdf): Ditto.
1349         (*pushsf_rex64): Ditto for alternatives other than 1.
1350         (*pushsf): Ditto for alternatives other than 1.
1352 2020-02-06  Martin Liska  <mliska@suse.cz>
1354         PR gcov-profile/91971
1355         PR gcov-profile/93466
1356         * coverage.c (coverage_init): Revert mangling of
1357         path into filename.  It can lead to huge filename length.
1358         Creation of subfolders seem more natural.
1360 2020-02-06  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1362         PR target/93300
1363         * config/arm/arm.c (arm_block_arith_comp_libfuncs_for_mode): New.
1364         (arm_init_libfuncs): Add BFmode support to block spurious BF libfuncs.
1365         Use arm_block_arith_comp_libfuncs_for_mode for HFmode.
1367 2020-02-06  Jakub Jelinek  <jakub@redhat.com>
1369         PR target/93594
1370         * config/i386/predicates.md (avx_identity_operand): New predicate.
1371         * config/i386/sse.md (*avx_vec_concat<mode>_1): New
1372         define_insn_and_split.
1374         PR libgomp/93515
1375         * omp-low.c (use_pointer_for_field): For nested constructs, also
1376         look for map clauses on target construct.
1377         (scan_omp_1_stmt) <case GIMPLE_OMP_TARGET>: Bump temporarily
1378         taskreg_nesting_level.
1380         PR libgomp/93515
1381         * gimplify.c (gimplify_scan_omp_clauses) <do_notice>: If adding
1382         shared clause, call omp_notice_variable on outer context if any.
1384 2020-02-05  Jason Merrill  <jason@redhat.com>
1386         PR c++/92003
1387         * symtab.c (symtab_node::nonzero_address): A DECL_COMDAT decl has
1388         non-zero address even if weak and not yet defined.
1390 2020-02-05  Martin Sebor  <msebor@redhat.com>
1392         PR tree-optimization/92765
1393         * gimple-fold.c (get_range_strlen_tree): Handle MEM_REF and PARM_DECL.
1394         * tree-ssa-strlen.c (compute_string_length): Remove.
1395         (determine_min_objsize): Remove.
1396         (get_len_or_size): Add an argument.  Call get_range_strlen_dynamic.
1397         Avoid using type size as the upper bound on string length.
1398         (handle_builtin_string_cmp): Add an argument.  Adjust.
1399         (strlen_check_and_optimize_call): Pass additional argument to
1400         handle_builtin_string_cmp.
1402 2020-02-05  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1404         * config/i386/i386.md (*pushdi2_rex64 peephole2): Remove.
1405         (*pushdi2_rex64 peephole2): Unconditionally split after
1406         epilogue_completed.
1407         (*ashl<mode>3_doubleword): Ditto.
1408         (*<shift_insn><mode>3_doubleword): Ditto.
1410 2020-02-05  Michael Meissner  <meissner@linux.ibm.com>
1412         PR target/93568
1413         * config/rs6000/rs6000.c (get_vector_offset): Fix
1415 2020-02-05  Andrew Stubbs  <ams@codesourcery.com>
1417         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Use / not space.
1419 2020-02-05  David Malcolm  <dmalcolm@redhat.com>
1421         * doc/analyzer.texi
1422         (Special Functions for Debugging the Analyzer): Update description
1423         of __analyzer_dump_exploded_nodes.
1425 2020-02-05  Jakub Jelinek  <jakub@redhat.com>
1427         PR target/92190
1428         * config/i386/i386-features.c (ix86_add_reg_usage_to_vzeroupper): Only
1429         include sets and not clobbers in the vzeroupper pattern.
1430         * config/i386/sse.md (*avx_vzeroupper): Require in insn condition that
1431         the parallel has 17 (64-bit) or 9 (32-bit) elts.
1432         (*avx_vzeroupper_1): New define_insn_and_split.
1434         PR target/92190
1435         * recog.c (pass_split_after_reload::gate): For STACK_REGS targets,
1436         don't run when !optimize.
1437         (pass_split_before_regstack::gate): For STACK_REGS targets, run even
1438         when !optimize.
1440 2020-02-05  Richard Biener  <rguenther@suse.de>
1442         PR middle-end/90648
1443         * genmatch.c (dt_node::gen_kids_1): Emit number of argument
1444         checks before matching calls.
1446 2020-02-05  Jakub Jelinek  <jakub@redhat.com>
1448         * tree-ssa-alias.c (aliasing_matching_component_refs_p): Fix up
1449         function comment typo.
1451         PR middle-end/93555
1452         * omp-simd-clone.c (expand_simd_clones): If simd_clone_mangle or
1453         simd_clone_create failed when i == 0, adjust clone->nargs by
1454         clone->inbranch.
1456 2020-02-05  Martin Liska  <mliska@suse.cz>
1458         PR c++/92717
1459         * doc/invoke.texi: Document that one should
1460         not combine ASLR and -fpch.
1462 2020-02-04  Richard Biener  <rguenther@suse.de>
1464         PR tree-optimization/93538
1465         * match.pd (addr EQ/NE ptr): Amend to handle &ptr->x EQ/NE ptr.
1467 2020-02-04  Richard Biener  <rguenther@suse.de>
1469         PR tree-optimization/91123
1470         * tree-ssa-sccvn.c (vn_walk_cb_data::finish): New method.
1471         (vn_walk_cb_data::last_vuse): New member.
1472         (vn_walk_cb_data::saved_operands): Likewsie.
1473         (vn_walk_cb_data::~vn_walk_cb_data): Release saved_operands.
1474         (vn_walk_cb_data::push_partial_def): Use finish.
1475         (vn_reference_lookup_2): Update last_vuse and use finish if
1476         we've saved operands.
1477         (vn_reference_lookup_3): Use finish and update calls to
1478         push_partial_defs everywhere.  When translating through
1479         memcpy or aggregate copies save off operands and alias-set.
1480         (eliminate_dom_walker::eliminate_stmt): Restore VN_WALKREWRITE
1481         operation for redundant store removal.
1483 2020-02-04  Richard Biener  <rguenther@suse.de>
1485         PR tree-optimization/92819
1486         * tree-ssa-forwprop.c (simplify_vector_constructor): Avoid
1487         generating more stmts than before.
1489 2020-02-04  Martin Liska  <mliska@suse.cz>
1491         * config/arm/arm.c (arm_gen_far_branch): Move the function
1492         outside of selftests.
1494 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1496         * config/rs6000/rs6000.c (adjust_vec_address_pcrel): New helper
1497         function to adjust PC-relative vector addresses.
1498         (rs6000_adjust_vec_address): Call adjust_vec_address_pcrel to
1499         handle vectors with PC-relative addresses.
1501 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1503         * config/rs6000/rs6000.c (reg_to_non_prefixed): Add forward
1504         reference.
1505         (hard_reg_and_mode_to_addr_mask): Delete.
1506         (rs6000_adjust_vec_address): If the original vector address
1507         was REG+REG or REG+OFFSET and the element is not zero, do the add
1508         of the elements in the original address before adding the offset
1509         for the vector element.  Use address_to_insn_form to validate the
1510         address using the register being loaded, rather than guessing
1511         whether the address is a DS-FORM or DQ-FORM address.
1513 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1515         * config/rs6000/rs6000.c (get_vector_offset): New helper function
1516         to calculate the offset in memory from the start of a vector of a
1517         particular element.  Add code to keep the element number in
1518         bounds if the element number is variable.
1519         (rs6000_adjust_vec_address): Move calculation of offset of the
1520         vector element to get_vector_offset.
1521         (rs6000_split_vec_extract_var): Do not do the initial AND of
1522         element here, move the code to get_vector_offset.
1524 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1526         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add some
1527         gcc_asserts.
1529 2020-02-03  Segher Boessenkool  <segher@kernel.crashing.org>
1531         * config/rs6000/constraints.md: Improve documentation.
1533 2020-02-03  Richard Earnshaw  <rearnsha@arm.com>
1535         PR target/93548
1536         * config/arm/t-arm: ($(srcdir)/config/arm/arm-tune.md)
1537         ($(srcdir)/config/arm/arm-tables.opt): Use move-if-change.
1539 2020-02-03  Andrew Stubbs  <ams@codesourcery.com>
1541         * config.gcc: Remove "carrizo" support.
1542         * config/gcn/gcn-opts.h (processor_type): Likewise.
1543         * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Likewise.
1544         * config/gcn/gcn.opt (gpu_type): Likewise.
1545         * config/gcn/t-omp-device: Likewise.
1547 2020-02-03  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1549         PR target/91816
1550         * config/arm/arm-protos.h: New function arm_gen_far_branch prototype.
1551         * config/arm/arm.c (arm_gen_far_branch): New function
1552         arm_gen_far_branch.
1553         * config/arm/arm.md: Update b<cond> for Thumb2 range checks.
1555 2020-02-03  Julian Brown  <julian@codesourcery.com>
1556             Tobias Burnus  <tobias@codesourcery.com>
1558         * doc/invoke.texi: Update mention of OpenACC version to 2.6.
1560 2020-02-03  Jakub Jelinek  <jakub@redhat.com>
1562         PR target/93533
1563         * config/s390/s390.md (popcounthi2_z196): Fix up expander to emit
1564         valid RTL to sum up the lowest and second lowest bytes of the popcnt
1565         result.
1567 2020-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1569         PR rtl-optimization/91333
1570         * ira-color.c (struct allocno_color_data): Add member
1571         hard_reg_prefs.
1572         (init_allocno_threads): Set the member up.
1573         (bucket_allocno_compare_func): Add compare hard reg
1574         prefs.
1576 2020-01-31  Sandra Loosemore  <sandra@codesourcery.com>
1578         nios2: Support for GOT-relative DW_EH_PE_datarel encoding.
1580         * configure.ac [nios2-*-*]: Check HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1581         * config.in: Regenerated.
1582         * configure: Regenerated.
1583         * config/nios2/nios2.h (ASM_PREFERRED_EH_DATA_FORMAT): Fix handling
1584         for PIC when HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1585         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1587 2020-02-01  Andrew Burgess  <andrew.burgess@embecosm.com>
1589         * configure: Regenerate.
1591 2020-01-31  Vladimir Makarov  <vmakarov@redhat.com>
1593         PR rtl-optimization/91333
1594         * ira-color.c (bucket_allocno_compare_func): Move conflict hard
1595         reg preferences comparison up.
1597 2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>
1599         * config/aarch64/aarch64.h (TARGET_SVE_BF16): New macro.
1600         * config/aarch64/aarch64-sve-builtins-sve2.h (svcvtnt): Move to
1601         aarch64-sve-builtins-base.h.
1602         * config/aarch64/aarch64-sve-builtins-sve2.cc (svcvtnt): Move to
1603         aarch64-sve-builtins-base.cc.
1604         * config/aarch64/aarch64-sve-builtins-base.h (svbfdot, svbfdot_lane)
1605         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1606         (svcvtnt): Declare.
1607         * config/aarch64/aarch64-sve-builtins-base.cc (svbfdot, svbfdot_lane)
1608         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1609         (svcvtnt): New functions.
1610         * config/aarch64/aarch64-sve-builtins-base.def (svbfdot, svbfdot_lane)
1611         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1612         (svcvtnt): New functions.
1613         (svcvt): Add a form that converts f32 to bf16.
1614         * config/aarch64/aarch64-sve-builtins-shapes.h (ternary_bfloat)
1615         (ternary_bfloat_lane, ternary_bfloat_lanex2, ternary_bfloat_opt_n):
1616         Declare.
1617         * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_element_type):
1618         Treat B as bfloat16_t.
1619         (ternary_bfloat_lane_base): New class.
1620         (ternary_bfloat_def): Likewise.
1621         (ternary_bfloat): New shape.
1622         (ternary_bfloat_lane_def): New class.
1623         (ternary_bfloat_lane): New shape.
1624         (ternary_bfloat_lanex2_def): New class.
1625         (ternary_bfloat_lanex2): New shape.
1626         (ternary_bfloat_opt_n_def): New class.
1627         (ternary_bfloat_opt_n): New shape.
1628         * config/aarch64/aarch64-sve-builtins.cc (TYPES_cvt_bfloat): New macro.
1629         * config/aarch64/aarch64-sve.md (@aarch64_sve_<sve_fp_op>vnx4sf)
1630         (@aarch64_sve_<sve_fp_op>_lanevnx4sf): New patterns.
1631         (@aarch64_sve_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>)
1632         (@cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1633         (*cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1634         (@aarch64_sve_cvtnt<VNx8BF_ONLY:mode>): Likewise.
1635         * config/aarch64/aarch64-sve2.md (@aarch64_sve2_cvtnt<mode>): Key
1636         the pattern off the narrow mode instead of the wider one.
1637         * config/aarch64/iterators.md (VNx8BF_ONLY): New mode iterator.
1638         (UNSPEC_BFMLALB, UNSPEC_BFMLALT, UNSPEC_BFMMLA): New unspecs.
1639         (sve_fp_op): Handle them.
1640         (SVE_BFLOAT_TERNARY_LONG): New int itertor.
1641         (SVE_BFLOAT_TERNARY_LONG_LANE): Likewise.
1643 2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>
1645         * config/aarch64/arm_sve.h: Include arm_bf16.h.
1646         * config/aarch64/aarch64-modes.def (BF): Move definition before
1647         VECTOR_MODES.  Remove separate VECTOR_MODES for V4BF and V8BF.
1648         (SVE_MODES): Handle BF modes.
1649         * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
1650         BF modes.
1651         (aarch64_full_sve_mode): Likewise.
1652         * config/aarch64/iterators.md (SVE_STRUCT): Add VNx16BF, VNx24BF
1653         and VNx32BF.
1654         (SVE_FULL, SVE_FULL_HSD, SVE_ALL): Add VNx8BF.
1655         (Vetype, Vesize, Vctype, VEL, Vel, VEL_INT, V128, v128, vwcore)
1656         (V_INT_EQUIV, v_int_equiv, V_FP_EQUIV, v_fp_equiv, vector_count)
1657         (insn_length, VSINGLE, vsingle, VPRED, vpred, VDOUBLE): Handle the
1658         new SVE BF modes.
1659         * config/aarch64/aarch64-sve-builtins.h (TYPE_bfloat): New
1660         type_class_index.
1661         * config/aarch64/aarch64-sve-builtins.cc (TYPES_all_arith): New macro.
1662         (TYPES_all_data): Add bf16.
1663         (TYPES_reinterpret1, TYPES_reinterpret): Likewise.
1664         (register_tuple_type): Increase buffer size.
1665         * config/aarch64/aarch64-sve-builtins.def (svbfloat16_t): New type.
1666         (bf16): New type suffix.
1667         * config/aarch64/aarch64-sve-builtins-base.def (svabd, svadd, svaddv)
1668         (svcmpeq, svcmpge, svcmpgt, svcmple, svcmplt, svcmpne, svmad, svmax)
1669         (svmaxv, svmin, svminv, svmla, svmls, svmsb, svmul, svsub, svsubr):
1670         Change type from all_data to all_arith.
1671         * config/aarch64/aarch64-sve-builtins-sve2.def (svaddp, svmaxp)
1672         (svminp): Likewise.
1674 2020-01-31  Dennis Zhang  <dennis.zhang@arm.com>
1675             Matthew Malcomson  <matthew.malcomson@arm.com>
1676             Richard Sandiford  <richard.sandiford@arm.com>
1678         * doc/invoke.texi (f32mm): Document new AArch64 -march= extension.
1679         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Define
1680         __ARM_FEATURE_SVE_MATMUL_INT8, __ARM_FEATURE_SVE_MATMUL_FP32 and
1681         __ARM_FEATURE_SVE_MATMUL_FP64 as appropriate.  Don't define
1682         __ARM_FEATURE_MATMUL_FP64.
1683         * config/aarch64/aarch64-option-extensions.def (fp, simd, fp16)
1684         (sve): Add AARCH64_FL_F32MM to the list of extensions that should
1685         be disabled at the same time.
1686         (f32mm): New extension.
1687         * config/aarch64/aarch64.h (AARCH64_FL_F32MM): New macro.
1688         (AARCH64_FL_F64MM): Bump to the next bit up.
1689         (AARCH64_ISA_F32MM, TARGET_SVE_I8MM, TARGET_F32MM, TARGET_SVE_F32MM)
1690         (TARGET_SVE_F64MM): New macros.
1691         * config/aarch64/iterators.md (SVE_MATMULF): New mode iterator.
1692         (UNSPEC_FMMLA, UNSPEC_SMATMUL, UNSPEC_UMATMUL, UNSPEC_USMATMUL)
1693         (UNSPEC_TRN1Q, UNSPEC_TRN2Q, UNSPEC_UZP1Q, UNSPEC_UZP2Q, UNSPEC_ZIP1Q)
1694         (UNSPEC_ZIP2Q): New unspeccs.
1695         (DOTPROD_US_ONLY, PERMUTEQ, MATMUL, FMMLA): New int iterators.
1696         (optab, sur, perm_insn): Handle the new unspecs.
1697         (sve_fp_op): Handle UNSPEC_FMMLA.  Resort.
1698         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use
1699         TARGET_SVE_F64MM instead of separate tests.
1700         (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod<vsi2qi>): New pattern.
1701         (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod_lane<vsi2qi>): Likewise.
1702         (@aarch64_sve_add_<MATMUL:optab><vsi2qi>): Likewise.
1703         (@aarch64_sve_<FMMLA:sve_fp_op><mode>): Likewise.
1704         (@aarch64_sve_<PERMUTEQ:optab><mode>): Likewise.
1705         * config/aarch64/aarch64-sve-builtins.cc (TYPES_s_float): New macro.
1706         (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): Use it.
1707         (TYPES_s_signed): New macro.
1708         (TYPES_s_integer): Use it.
1709         (TYPES_d_float): New macro.
1710         (TYPES_d_data): Use it.
1711         * config/aarch64/aarch64-sve-builtins-shapes.h (mmla): Declare.
1712         (ternary_intq_uintq_lane, ternary_intq_uintq_opt_n, ternary_uintq_intq)
1713         (ternary_uintq_intq_lane, ternary_uintq_intq_opt_n): Likewise.
1714         * config/aarch64/aarch64-sve-builtins-shapes.cc (mmla_def): New class.
1715         (svmmla): New shape.
1716         (ternary_resize2_opt_n_base): Add TYPE_CLASS2 and TYPE_CLASS3
1717         template parameters.
1718         (ternary_resize2_lane_base): Likewise.
1719         (ternary_resize2_base): New class.
1720         (ternary_qq_lane_base): Likewise.
1721         (ternary_intq_uintq_lane_def): Likewise.
1722         (ternary_intq_uintq_lane): New shape.
1723         (ternary_intq_uintq_opt_n_def): New class
1724         (ternary_intq_uintq_opt_n): New shape.
1725         (ternary_qq_lane_def): Inherit from ternary_qq_lane_base.
1726         (ternary_uintq_intq_def): New class.
1727         (ternary_uintq_intq): New shape.
1728         (ternary_uintq_intq_lane_def): New class.
1729         (ternary_uintq_intq_lane): New shape.
1730         (ternary_uintq_intq_opt_n_def): New class.
1731         (ternary_uintq_intq_opt_n): New shape.
1732         * config/aarch64/aarch64-sve-builtins-base.h (svmmla, svsudot)
1733         (svsudot_lane, svtrn1q, svtrn2q, svusdot, svusdot_lane, svusmmla)
1734         (svuzp1q, svuzp2q, svzip1q, svzip2q): Declare.
1735         * config/aarch64/aarch64-sve-builtins-base.cc (svdot_lane_impl):
1736         Generalize to...
1737         (svdotprod_lane_impl): ...this new class.
1738         (svmmla_impl, svusdot_impl): New classes.
1739         (svdot_lane): Update to use svdotprod_lane_impl.
1740         (svmmla, svsudot, svsudot_lane, svtrn1q, svtrn2q, svusdot)
1741         (svusdot_lane, svusmmla, svuzp1q, svuzp2q, svzip1q, svzip2q): New
1742         functions.
1743         * config/aarch64/aarch64-sve-builtins-base.def (svmmla): New base
1744         function, with no types defined.
1745         (svmmla, svusmmla, svsudot, svsudot_lane, svusdot, svusdot_lane): New
1746         AARCH64_FL_I8MM functions.
1747         (svmmla): New AARCH64_FL_F32MM function.
1748         (svld1ro): Depend only on AARCH64_FL_F64MM, not on AARCH64_FL_V8_6.
1749         (svmmla, svtrn1q, svtrn2q, svuz1q, svuz2q, svzip1q, svzip2q): New
1750         AARCH64_FL_F64MM function.
1751         (REQUIRED_EXTENSIONS):
1753 2020-01-31  Andrew Stubbs  <ams@codesourcery.com>
1755         * config/gcn/gcn-valu.md (addv64di3_exec): Allow one '0' in each
1756         alternative only.
1758 2020-01-31  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1760         * config/i386/i386.md (*movoi_internal_avx): Do not check for
1761         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.  Remove MODE_V8SF handling.
1762         (*movti_internal): Do not check for
1763         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1764         (*movtf_internal): Move check for TARGET_SSE2 and size optimization
1765         just after check for TARGET_AVX.
1766         (*movdf_internal): Ditto.
1767         * config/i386/mmx.md (*mov<mode>_internal): Do not check for
1768         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1769         * config/i386/sse.md (mov<mode>_internal): Only check
1770         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL with V2DFmode.  Move check
1771         for TARGET_SSE2 and size optimization just after check for TARGET_AVX.
1772         (<sse>_andnot<mode>3<mask_name>): Move check for
1773         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL after check for TARGET_AVX.
1774         (<code><mode>3<mask_name>): Ditto.
1775         (*andnot<mode>3): Ditto.
1776         (*andnottf3): Ditto.
1777         (*<code><mode>3): Ditto.
1778         (*<code>tf3): Ditto.
1779         (*andnot<VI:mode>3): Remove
1780         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling.
1781         (<mask_codefor><code><VI48_AVX_AVX512F:mode>3<mask_name>): Ditto.
1782         (*<code><VI12_AVX_AVX512F:mode>3): Ditto.
1783         (sse4_1_blendv<ssemodesuffix>): Ditto.
1784         * config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL):
1785         Explain that tune applies to 128bit instructions only.
1787 2020-01-31  Kwok Cheung Yeung  <kcy@codesourcery.com>
1789         * config/gcn/mkoffload.c (process_asm): Add sgpr_count and vgpr_count
1790         to definition of hsa_kernel_description.  Parse assembly to find SGPR
1791         and VGPR count of kernel and store in hsa_kernel_description.
1793 2020-01-31  Tamar Christina  <tamar.christina@arm.com>
1795         PR rtl-optimization/91838
1796         * simplify-rtx.c (simplify_binary_operation_1): Update LSHIFTRT case
1797         to truncate if allowed or reject combination.
1799 2020-01-31  Andrew Stubbs  <ams@codesourcery.com>
1801         * tree-ssa-loop-ivopts.c (get_iv): Use sizetype for zero-step.
1802         (find_inv_vars_cb): Likewise.
1804 2020-01-31  David Malcolm  <dmalcolm@redhat.com>
1806         * calls.c (special_function_p): Split out the check for DECL_NAME
1807         being non-NULL and fndecl being extern at file scope into a
1808         new maybe_special_function_p and call it.  Drop check for fndecl
1809         being non-NULL that was after a usage of DECL_NAME (fndecl).
1810         * tree.h (maybe_special_function_p): New inline function.
1812 2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
1814         * config/gcn/gcn-valu.md (gather<mode>_exec): Move contents ...
1815         (mask_gather_load<mode>): ... here, and zero-initialize the
1816         destination.
1817         (maskload<mode>di): Zero-initialize the destination.
1818         * config/gcn/gcn.c:
1820 2020-01-30  David Malcolm  <dmalcolm@redhat.com>
1822         PR analyzer/93356
1823         * doc/analyzer.texi (Limitations): Note that constraints on
1824         floating-point values are currently ignored.
1826 2020-01-30  Jakub Jelinek  <jakub@redhat.com>
1828         PR lto/93384
1829         * symtab.c (symtab_node::noninterposable_alias): If localalias
1830         already exists, but is not usable, append numbers after it until
1831         a unique name is found.  Formatting fix.
1833         PR middle-end/93505
1834         * combine.c (simplify_comparison) <case ROTATE>: Punt on out of range
1835         rotate counts.
1837 2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
1839         * config/gcn/gcn.c (print_operand): Handle LTGT.
1840         * config/gcn/predicates.md (gcn_fp_compare_operator): Allow ltgt.
1842 2020-01-30  Richard Biener  <rguenther@suse.de>
1844         * tree-pretty-print.c (dump_generic_node): Wrap VECTOR_CST
1845         and CONSTRUCTOR in _Literal (type) with TDF_GIMPLE.
1847 2020-01-30  John David Anglin  <danglin@gcc.gnu.org>
1849         * config/pa/pa.c (pa_elf_select_rtx_section): Place function pointers
1850         without a DECL in .data.rel.ro.local.
1852 2020-01-30  Jakub Jelinek  <jakub@redhat.com>
1854         PR target/93494
1855         * config/arm/arm.md (uaddvdi4): Actually emit what gen_uaddvsi4
1856         returned.
1858         PR target/91824
1859         * config/i386/sse.md
1860         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext): Renamed to ...
1861         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext): ... this.  Use
1862         any_extend code iterator instead of always zero_extend.
1863         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_lt): Renamed to ...
1864         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_lt): ... this.
1865         Use any_extend code iterator instead of always zero_extend.
1866         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_shift): Renamed to ...
1867         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_shift): ... this.
1868         Use any_extend code iterator instead of always zero_extend.
1869         (*sse2_pmovmskb_ext): New define_insn.
1870         (*sse2_pmovmskb_ext_lt): New define_insn_and_split.
1872         PR target/91824
1873         * config/i386/i386.md (*popcountsi2_zext): New define_insn_and_split.
1874         (*popcountsi2_zext_falsedep): New define_insn.
1876 2020-01-30  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1878         * config.in: Regenerated.
1879         * configure: Regenerated.
1881 2020-01-29  Tobias Burnus  <tobias@codesourcery.com>
1883         PR bootstrap/93409
1884         * config/gcn/gcn-hsa.h (ASM_SPEC): Add -mattr=-code-object-v3 as
1885         LLVM's assembler changed the default in version 9.
1887 2020-01-24  Jeff Law  <law@redhat.com>
1889         PR tree-optimization/89689
1890         * builtins.def (BUILT_IN_OBJECT_SIZE): Make it const rather than pure.
1892 2020-01-29  Richard Sandiford  <richard.sandiford@arm.com>
1894         Revert:
1896         2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
1898         PR rtl-optimization/87763
1899         * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
1900         simplification to handle subregs as well as bare regs.
1901         * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
1903 2020-01-29  Joel Hutton  <Joel.Hutton@arm.com>
1905         PR target/93221
1906         * ira.c (ira): Revert use of simplified LRA algorithm.
1908 2020-01-29  Martin Jambor  <mjambor@suse.cz>
1910         PR tree-optimization/92706
1911         * tree-sra.c (struct access): Fields first_link, last_link,
1912         next_queued and grp_queued renamed to first_rhs_link, last_rhs_link,
1913         next_rhs_queued and grp_rhs_queued respectively, new fields
1914         first_lhs_link, last_lhs_link, next_lhs_queued and grp_lhs_queued.
1915         (struct assign_link): Field next renamed to next_rhs, new field
1916         next_lhs.  Updated comment.
1917         (work_queue_head): Renamed to rhs_work_queue_head.
1918         (lhs_work_queue_head): New variable.
1919         (add_link_to_lhs): New function.
1920         (relink_to_new_repr): Also relink LHS lists.
1921         (add_access_to_work_queue): Renamed to add_access_to_rhs_work_queue.
1922         (add_access_to_lhs_work_queue): New function.
1923         (pop_access_from_work_queue): Renamed to
1924         pop_access_from_rhs_work_queue.
1925         (pop_access_from_lhs_work_queue): New function.
1926         (build_accesses_from_assign): Also add links to LHS lists and to LHS
1927         work_queue.
1928         (child_would_conflict_in_lacc): Renamed to
1929         child_would_conflict_in_acc.  Adjusted parameter names.
1930         (create_artificial_child_access): New parameter set_grp_read, use it.
1931         (subtree_mark_written_and_enqueue): Renamed to
1932         subtree_mark_written_and_rhs_enqueue.
1933         (propagate_subaccesses_across_link): Renamed to
1934         propagate_subaccesses_from_rhs.
1935         (propagate_subaccesses_from_lhs): New function.
1936         (propagate_all_subaccesses): Also propagate subaccesses from LHSs to
1937         RHSs.
1939 2020-01-29  Martin Jambor  <mjambor@suse.cz>
1941         PR tree-optimization/92706
1942         * tree-sra.c (struct access): Adjust comment of
1943         grp_total_scalarization.
1944         (find_access_in_subtree): Look for single children spanning an entire
1945         access.
1946         (scalarizable_type_p): Allow register accesses, adjust callers.
1947         (completely_scalarize): Remove function.
1948         (scalarize_elem): Likewise.
1949         (create_total_scalarization_access): Likewise.
1950         (sort_and_splice_var_accesses): Do not track total scalarization
1951         flags.
1952         (analyze_access_subtree): New parameter totally, adjust to new meaning
1953         of grp_total_scalarization.
1954         (analyze_access_trees): Pass new parameter to analyze_access_subtree.
1955         (can_totally_scalarize_forest_p): New function.
1956         (create_total_scalarization_access): Likewise.
1957         (create_total_access_and_reshape): Likewise.
1958         (total_should_skip_creating_access): Likewise.
1959         (totally_scalarize_subtree): Likewise.
1960         (analyze_all_variable_accesses): Perform total scalarization after
1961         subaccess propagation using the new functions above.
1962         (initialize_constant_pool_replacements): Output initializers by
1963         traversing the access tree.
1965 2020-01-29  Martin Jambor  <mjambor@suse.cz>
1967         * tree-sra.c (verify_sra_access_forest): New function.
1968         (verify_all_sra_access_forests): Likewise.
1969         (create_artificial_child_access): Set parent.
1970         (analyze_all_variable_accesses): Call the verifier.
1972 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1974         * cgraph.c (cgraph_edge::resolve_speculation): Only lookup direct edge
1975         if called on indirect edge.
1976         (cgraph_edge::redirect_call_stmt_to_callee): Lookup indirect edge of
1977         speculative call if needed.
1979 2020-01-29  Richard Biener  <rguenther@suse.de>
1981         PR tree-optimization/93428
1982         * tree-vect-slp.c (vect_build_slp_tree_2): Compute the load
1983         permutation when the load node is created.
1984         (vect_analyze_slp_instance): Re-use it here.
1986 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1988         * ipa-prop.c (update_indirect_edges_after_inlining): Fix warning.
1990 2020-01-28  Vladimir Makarov  <vmakarov@redhat.com>
1992         PR rtl-optimization/93272
1993         * ira-lives.c (process_out_of_region_eh_regs): New function.
1994         (process_bb_node_lives): Call it.
1996 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1998         * coverage.c (read_counts_file): Make error message lowercase.
2000 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
2002         * profile-count.c (profile_quality_display_names): Fix ordering.
2004 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
2006         PR lto/93318    
2007         * cgraph.c (cgraph_add_edge_to_call_site_hash): Update call site
2008         hash only when edge is first within the sequence.
2009         (cgraph_edge::set_call_stmt): Update handling of speculative calls.
2010         (symbol_table::create_edge): Do not set target_prob.
2011         (cgraph_edge::remove_caller): Watch for speculative calls when updating
2012         the call site hash.
2013         (cgraph_edge::make_speculative): Drop target_prob parameter.
2014         (cgraph_edge::speculative_call_info): Remove.
2015         (cgraph_edge::first_speculative_call_target): New member function.
2016         (update_call_stmt_hash_for_removing_direct_edge): New function.
2017         (cgraph_edge::resolve_speculation): Rewrite to new API.
2018         (cgraph_edge::speculative_call_for_target): New member function.
2019         (cgraph_edge::make_direct): Rewrite to new API; fix handling of
2020         multiple speculation targets.
2021         (cgraph_edge::redirect_call_stmt_to_callee): Likewise; fix updating
2022         of profile.
2023         (verify_speculative_call): Verify that targets form an interval.
2024         * cgraph.h (cgraph_edge::speculative_call_info): Remove.
2025         (cgraph_edge::first_speculative_call_target): New member function.
2026         (cgraph_edge::next_speculative_call_target): New member function.
2027         (cgraph_edge::speculative_call_target_ref): New member function.
2028         (cgraph_edge;:speculative_call_indirect_edge): New member funtion.
2029         (cgraph_edge): Remove target_prob.
2030         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
2031         Fix handling of speculative calls.
2032         * ipa-devirt.c (ipa_devirt): Fix handling of speculative cals.
2033         * ipa-fnsummary.c (analyze_function_body): Likewise.
2034         * ipa-inline.c (speculation_useful_p): Use new speculative call API.
2035         * ipa-profile.c (dump_histogram): Fix formating.
2036         (ipa_profile_generate_summary): Watch for overflows.
2037         (ipa_profile): Do not require probablity to be 1/2; update to new API.
2038         * ipa-prop.c (ipa_make_edge_direct_to_target): Update to new API.
2039         (update_indirect_edges_after_inlining): Update to new API.
2040         * ipa-utils.c (ipa_merge_profiles): Rewrite merging of speculative call
2041         profiles.
2042         * profile-count.h: (profile_probability::adjusted): New.
2043         * tree-inline.c (copy_bb): Update to new speculative call API; fix
2044         updating of profile.
2045         * value-prof.c (gimple_ic_transform): Rename to ...
2046         (dump_ic_profile): ... this one; update dumping.
2047         (stream_in_histogram_value): Fix formating.
2048         (gimple_value_profile_transformations): Update.
2050 2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>
2052         PR target/91461
2053         * config/i386/i386.md (*movoi_internal_avx): Remove
2054         TARGET_SSE_TYPELESS_STORES check.
2055         (*movti_internal): Prefer TARGET_AVX over
2056         TARGET_SSE_TYPELESS_STORES.
2057         (*movtf_internal): Likewise.
2058         * config/i386/sse.md (mov<mode>_internal): Prefer TARGET_AVX over
2059         TARGET_SSE_TYPELESS_STORES.  Remove "<MODE_SIZE> == 16" check
2060         from TARGET_SSE_TYPELESS_STORES.
2062 2020-01-28  David Malcolm  <dmalcolm@redhat.com>
2064         * diagnostic-core.h (warning_at): Rename overload to...
2065         (warning_meta): ...this.
2066         (emit_diagnostic_valist): Delete decl of overload taking
2067         diagnostic_metadata.
2068         * diagnostic.c (emit_diagnostic_valist): Likewise for defn.
2069         (warning_at): Rename overload taking diagnostic_metadata to...
2070         (warning_meta): ...this.
2072 2020-01-28  Richard Biener  <rguenther@suse.de>
2074         PR tree-optimization/93439
2075         * tree-parloops.c (create_loop_fn): Move clique bookkeeping...
2076         * tree-cfg.c (move_sese_region_to_fn): ... here.
2077         (verify_types_in_gimple_reference): Verify used cliques are
2078         tracked.
2080 2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>
2082         PR target/91399
2083         * config/i386/i386-options.c (set_ix86_tune_features): Add an
2084         argument of a pointer to struct gcc_options and pass it to
2085         parse_mtune_ctrl_str.
2086         (ix86_function_specific_restore): Pass opts to
2087         set_ix86_tune_features.
2088         (ix86_option_override_internal): Likewise.
2089         (parse_mtune_ctrl_str): Add an argument of a pointer to struct
2090         gcc_options and use it for x_ix86_tune_ctrl_string.
2092 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2094         PR rtl-optimization/87763
2095         * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
2096         simplification to handle subregs as well as bare regs.
2097         * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
2099 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2101         * tree-vect-loop.c (vectorizable_reduction): Fail gracefully
2102         for reduction chains that (now) include a call.
2104 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2106         PR tree-optimization/92822
2107         * tree-ssa-forwprop.c (simplify_vector_constructor): When filling
2108         out the don't-care elements of a vector whose significant elements
2109         are duplicates, make the don't-care elements duplicates too.
2111 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2113         PR tree-optimization/93434
2114         * tree-predcom.c (split_data_refs_to_components): Record which
2115         components have had aliasing loads removed.  Prevent store-store
2116         commoning for all such components.
2118 2020-01-28  Jakub Jelinek  <jakub@redhat.com>
2120         PR target/93418
2121         * config/i386/i386.c (ix86_fold_builtin) <do_shift>: If mask is not
2122         -1 or is_vshift is true, use new_vector with number of elts npatterns
2123         rather than new_unary_operation.
2125         PR tree-optimization/93454
2126         * gimple-fold.c (fold_array_ctor_reference): Perform
2127         elt_size.to_uhwi () just once, instead of calling it in every
2128         iteration.  Punt if that value is above size of the temporary
2129         buffer.  Decrease third native_encode_expr argument when
2130         bufoff + elt_sz is above size of buf.
2132 2020-01-27  Joseph Myers  <joseph@codesourcery.com>
2134         * config/mips/mips.c (mips_declare_object_name)
2135         [USE_GNU_UNIQUE_OBJECT]: Support use of gnu_unique_object.
2137 2020-01-27  Martin Liska  <mliska@suse.cz>
2139         PR gcov-profile/93403
2140         * tree-profile.c (gimple_init_gcov_profiler): Generate
2141         both __gcov_indirect_call_profiler_v4 and
2142         __gcov_indirect_call_profiler_v4_atomic.
2144 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2146         PR target/92822
2147         * config/aarch64/aarch64-simd.md (aarch64_get_half<mode>): New
2148         expander.
2149         (@aarch64_split_simd_mov<mode>): Use it.
2150         (aarch64_simd_mov_from_<mode>low): Add a GPR alternative.
2151         Leave the vec_extract patterns to handle 2-element vectors.
2152         (aarch64_simd_mov_from_<mode>high): Likewise.
2153         (vec_extract<VQMOV_NO2E:mode><Vhalf>): New expander.
2154         (vec_extractv2dfv1df): Likewise.
2156 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2158         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Match
2159         jump conditions for *compare_condjump<GPI:mode>.
2161 2020-01-27  David Malcolm  <dmalcolm@redhat.com>
2163         PR analyzer/93276
2164         * digraph.cc (test_edge::test_edge): Specify template for base
2165         class initializer.
2167 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2169         * config/arc/arc.c (arc_rtx_costs): Update mul64 cost.
2171 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2173         * config/arc/arc-protos.h (gen_mlo): Remove.
2174         (gen_mhi): Likewise.
2175         * config/arc/arc.c (AUX_MULHI): Define.
2176         (arc_must_save_reister): Special handling for r58/59.
2177         (arc_compute_frame_size): Consider mlo/mhi registers.
2178         (arc_save_callee_saves): Emit fp/sp move only when emit_move
2179         paramter is true.
2180         (arc_conditional_register_usage): Remove TARGET_BIG_ENDIAN from
2181         mlo/mhi name selection.
2182         (arc_restore_callee_saves): Don't early restore blink when ISR.
2183         (arc_expand_prologue): Add mlo/mhi saving.
2184         (arc_expand_epilogue): Add mlo/mhi restoring.
2185         (gen_mlo): Remove.
2186         (gen_mhi): Remove.
2187         * config/arc/arc.h (DBX_REGISTER_NUMBER): Correct register
2188         numbering when MUL64 option is used.
2189         (DWARF2_FRAME_REG_OUT): Define.
2190         * config/arc/arc.md (arc600_stall): New pattern.
2191         (VUNSPEC_ARC_ARC600_STALL): Define.
2192         (mulsi64): Use correct mlo/mhi registers.
2193         (mulsi_600): Clean it up.
2194         * config/arc/predicates.md (mlo_operand): Remove any dependency on
2195         TARGET_BIG_ENDIAN.
2196         (mhi_operand): Likewise.
2198 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2199             Petro Karashchenko  <petro.karashchenko@ring.com>
2201         * config/arc/arc.c (arc_is_uncached_mem_p): Check struct
2202         attributes if needed.
2203         (prepare_move_operands): Generate special unspec instruction for
2204         direct access.
2205         (arc_isuncached_mem_p): Propagate uncached attribute to each
2206         structure member.
2207         * config/arc/arc.md (VUNSPEC_ARC_LDDI): Define.
2208         (VUNSPEC_ARC_STDI): Likewise.
2209         (ALLI): New mode iterator.
2210         (mALLI): New mode attribute.
2211         (lddi): New instruction pattern.
2212         (stdi): Likewise.
2213         (stdidi_split): Split instruction for architectures which are not
2214         supporting ll64 option.
2215         (lddidi_split): Likewise.
2217 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2219         PR rtl-optimization/92989
2220         * lra-lives.c (process_bb_lives): Update the live-in set before
2221         processing additional clobbers.
2223 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2225         PR rtl-optimization/93170
2226         * cselib.c (cselib_invalidate_regno_val): New function, split out
2227         from...
2228         (cselib_invalidate_regno): ...here.
2229         (cselib_invalidated_by_call_p): New function.
2230         (cselib_process_insn): Iterate over all the hard-register entries in
2231         REG_VALUES and invalidate any that cross call-clobbered registers.
2233 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2235         * dojump.c (split_comparison): Use HONOR_NANS rather than
2236         HONOR_SNANS when splitting LTGT.
2238 2020-01-27  Martin Liska  <mliska@suse.cz>
2240         PR driver/91220
2241         * opts.c (print_filtered_help): Exclude language-specific
2242         options from --help=common unless enabled in all FEs.
2244 2020-01-27  Martin Liska  <mliska@suse.cz>
2246         * opts.c (print_help): Exclude params from
2247         all except --help=param.
2249 2020-01-27  Martin Liska  <mliska@suse.cz>
2251         PR target/93274
2252         * config/i386/i386-features.c (make_resolver_func):
2253         Align the code with ppc64 target implementation.
2254         Do not generate a unique name for resolver function.
2256 2020-01-27  Richard Biener  <rguenther@suse.de>
2258         PR tree-optimization/93397
2259         * tree-vect-slp.c (vect_analyze_slp_instance): Delay
2260         converted reduction chain SLP graph adjustment.
2262 2020-01-26  Marek Polacek  <polacek@redhat.com>
2264         PR sanitizer/93436
2265         * sanopt.c (sanitize_rewrite_addressable_params): Avoid crash on
2266         null DECL_NAME.
2268 2020-01-26  Jason Merrill  <jason@redhat.com>
2270         PR c++/92601
2271         * tree.c (verify_type_variant): Only verify TYPE_NEEDS_CONSTRUCTING
2272         of complete types.
2274 2020-01-26  Darius Galis  <darius.galis@cyberthorstudios.com>
2276         * config/rx/rx.md (setmemsi): Added rx_allow_string_insns constraint
2277         (rx_setmem): Likewise.
2279 2020-01-26  Jakub Jelinek  <jakub@redhat.com>
2281         PR target/93412
2282         * config/i386/i386.md (*addv<dwi>4_doubleword, *subv<dwi>4_doubleword):
2283         Use nonimmediate_operand instead of x86_64_hilo_general_operand and
2284         drop <di> from constraint of last operand.
2286         PR target/93430
2287         * config/i386/sse.md (*avx_vperm_broadcast_<mode>): Disallow for
2288         TARGET_AVX2 and V4DFmode not in the split condition, but in the
2289         pattern condition, though allow { 0, 0, 0, 0 } broadcast always.
2291 2020-01-25  Feng Xue  <fxue@os.amperecomputing.com>
2293         PR ipa/93166
2294         * ipa-cp.c (get_info_about_necessary_edges): Remove value
2295         check assertion.
2297 2020-01-24  Jeff Law  <law@redhat.com>
2299         PR tree-optimization/92788
2300         * tree-ssa-threadedge.c (thread_across_edge): Check EDGE_COMPLEX
2301         not EDGE_ABNORMAL.
2303 2020-01-24  Jakub Jelinek  <jakub@redhat.com>
2305         PR target/93395
2306         * config/i386/sse.md (*avx_vperm_broadcast_v4sf,
2307         *avx_vperm_broadcast_<mode>,
2308         <sse2_avx_avx512f>_vpermil<mode><mask_name>,
2309         *<sse2_avx_avx512f>_vpermilp<mode><mask_name>):
2310         Move before avx2_perm<mode>/avx512f_perm<mode>.
2312         PR target/93376
2313         * simplify-rtx.c (simplify_const_unary_operation,
2314         simplify_const_binary_operation): Punt for mode precision above
2315         MAX_BITSIZE_MODE_ANY_INT.
2317 2020-01-24  Andrew Pinski  <apinski@marvell.com>
2319         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Change
2320         alu.shift_reg to 0.
2322 2020-01-24  Jeff Law  <law@redhat.com>
2324         PR target/13721
2325         * config/h8300/h8300.c (h8300_print_operand): Only call byte_reg
2326         for REGs.  Call output_operand_lossage to get more reasonable
2327         diagnostics.
2329 2020-01-24  Andrew Stubbs  <ams@codesourcery.com>
2331         * config/gcn/gcn-valu.md (vec_cmp<mode>di): Use
2332         gcn_fp_compare_operator.
2333         (vec_cmpu<mode>di): Use gcn_compare_operator.
2334         (vec_cmp<u>v64qidi): Use gcn_compare_operator.
2335         (vec_cmp<mode>di_exec): Use gcn_fp_compare_operator.
2336         (vec_cmpu<mode>di_exec): Use gcn_compare_operator.
2337         (vec_cmp<u>v64qidi_exec): Use gcn_compare_operator.
2338         (vec_cmp<mode>di_dup): Use gcn_fp_compare_operator.
2339         (vec_cmp<mode>di_dup_exec): Use gcn_fp_compare_operator.
2340         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): Use
2341         gcn_fp_compare_operator.
2342         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): Use
2343         gcn_fp_compare_operator.
2344         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): Use
2345         gcn_fp_compare_operator.
2346         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): Use
2347         gcn_fp_compare_operator.
2349 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
2351         * doc/install.texi (Cross-Compiler-Specific Options): Document
2352         `--with-toolexeclibdir' option.
2354 2020-01-24  Hans-Peter Nilsson  <hp@axis.com>
2356         * target.def (flags_regnum): Also mention effect on delay slot filling.
2357         * doc/tm.texi: Regenerate.
2359 2020-01-23  Jeff Law  <law@redhat.com>
2361         PR translation/90162
2362         * config/h8300/h8300.c (h8300_option_override): Fix diagnostic text.
2364 2020-01-23  Mikael Tillenius  <mti-1@tillenius.com>
2366         PR target/92269
2367         * config/h8300/h8300.h (FUNCTION_PROFILER): Fix emission of
2368         profiling label
2370 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2372         PR rtl-optimization/93402
2373         * postreload.c (reload_combine_recognize_pattern): Don't try to adjust
2374         USE insns.
2376 2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2378         * config.in: Regenerated.
2379         * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to 1
2380         for TARGET_LIBC_GNUSTACK.
2381         * configure: Regenerated.
2382         * configure.ac: Define TARGET_LIBC_GNUSTACK if glibc version is
2383         found to be 2.31 or greater.
2385 2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2387         * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to
2388         TARGET_SOFT_FLOAT.
2389         * config/mips/mips.c (TARGET_ASM_FILE_END): Define to ...
2390         (mips_asm_file_end): New function. Delegate to
2391         file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK is true.
2392         * config/mips/mips.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2394 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2396         PR target/93376
2397         * config/i386/i386-modes.def (POImode): New mode.
2398         (MAX_BITSIZE_MODE_ANY_INT): Change from 128 to 160.
2399         * config/i386/i386.md (DPWI): New mode attribute.
2400         (addv<mode>4, subv<mode>4): Use <DPWI> instead of <DWI>.
2401         (QWI): Rename to...
2402         (QPWI): ... this.  Use POI instead of OI for TImode.
2403         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1,
2404         *subv<dwi>4_doubleword, *subv<dwi>4_doubleword_1): Use <QPWI>
2405         instead of <QWI>.
2407 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2409         PR target/93341
2410         * config/aarch64/aarch64.md (UNSPEC_SPECULATION_TRACKER_REV): New
2411         unspec.
2412         (speculation_tracker_rev): New pattern.
2413         * config/aarch64/aarch64-speculation.cc (aarch64_do_track_speculation):
2414         Use speculation_tracker_rev to track the inverse condition.
2416 2020-01-23  Richard Biener  <rguenther@suse.de>
2418         PR tree-optimization/93381
2419         * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Take
2420         alias-set of the def as argument and record the first one.
2421         (vn_walk_cb_data::first_set): New member.
2422         (vn_reference_lookup_3): Pass the alias-set of the current def
2423         to push_partial_def.  Fix alias-set used in the aggregate copy
2424         case.
2425         (vn_reference_lookup): Consistently set *last_vuse_ptr.
2426         * real.c (clear_significand_below): Fix out-of-bound access.
2428 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2430         PR target/93346
2431         * config/i386/i386.md (*bmi2_bzhi_<mode>3_2, *bmi2_bzhi_<mode>3_3):
2432         New define_insn patterns.
2434 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2436         * doc/sourcebuild.texi (check-function-bodies): Add an
2437         optional target/xfail selector.
2439 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2441         PR rtl-optimization/93124
2442         * auto-inc-dec.c (merge_in_block): Don't add auto inc/decs to
2443         bare USE and CLOBBER insns.
2445 2020-01-22  Andrew Pinski  <apinski@marvell.com>
2447         * config/arc/arc.c (output_short_suffix): Check insn for nullness.
2449 2020-01-22  David Malcolm  <dmalcolm@redhat.com>
2451         PR analyzer/93307
2452         * gdbinit.in (break-on-saved-diagnostic): Update for move of
2453         diagnostic_manager into "ana" namespace.
2454         * selftest-run-tests.c (selftest::run_tests): Update for move of
2455         selftest::run_analyzer_selftests to
2456         ana::selftest::run_analyzer_selftests.
2458 2020-01-22  Richard Sandiford  <richard.sandiford@arm.com>
2460         * cfgexpand.c (union_stack_vars): Update the size.
2462 2020-01-22  Richard Biener  <rguenther@suse.de>
2464         PR tree-optimization/93381
2465         * tree-ssa-structalias.c (find_func_aliases): Assume offsetting
2466         throughout, handle all conversions the same.
2468 2020-01-22  Jakub Jelinek  <jakub@redhat.com>
2470         PR target/93335
2471         * config/aarch64/aarch64.c (aarch64_expand_subvti): Only use
2472         gen_subdi3_compare1_imm if low_in2 satisfies aarch64_plus_immediate
2473         predicate, not whenever it is CONST_INT.  Otherwise, force_reg it.
2474         Call force_reg on high_in2 unconditionally.
2476 2020-01-22  Martin Liska  <mliska@suse.cz>
2478         PR tree-optimization/92924
2479         * profile.c (compute_value_histograms): Divide
2480         all counter values.
2482 2020-01-22  Jakub Jelinek  <jakub@redhat.com>
2484         PR target/91298
2485         * output.h (assemble_name_resolve): Declare.
2486         * varasm.c (assemble_name_resolve): New function.
2487         (assemble_name): Use it.
2488         * config/i386/i386.h (ASM_OUTPUT_SYMBOL_REF): Define.
2490 2020-01-22  Joseph Myers  <joseph@codesourcery.com>
2492         * doc/sourcebuild.texi (Texinfo Manuals, Front End): Refer to
2493         update_web_docs_git instead of update_web_docs_svn.
2495 2020-01-21  Andrew Pinski  <apinski@marvell.com>
2497         PR target/9311
2498         * config/aarch64/aarch64.md (tlsgd_small_<mode>): Have operand 0
2499         as PTR mode. Have operand 1 as being modeless, it can be P mode.
2500         (*tlsgd_small_<mode>): Likewise.
2501         * config/aarch64/aarch64.c (aarch64_load_symref_appropriately)
2502         <case SYMBOL_SMALL_TLSGD>: Call gen_tlsgd_small_* with a ptr_mode
2503         register.  Convert that register back to dest using convert_mode.
2505 2020-01-21  Jim Wilson  <jimw@sifive.com>
2507         * config/riscv/riscv-sr.c (riscv_sr_match_prologue): Use INTVAL
2508         instead of XINT.
2510 2020-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2511             Uros Bizjak    <ubizjak@gmail.com>
2513         PR target/93319
2514         * config/i386/i386.c (ix86_tls_module_base): Replace Pmode
2515         with ptr_mode.
2516         (legitimize_tls_address): Do GNU2 TLS address computation in
2517         ptr_mode and zero-extend result to Pmode.
2518         *  config/i386/i386.md (@tls_dynamic_gnu2_64_<mode>): Replace
2519         :P with :PTR and Pmode with ptr_mode.
2520         (*tls_dynamic_gnu2_lea_64_<mode>): Likewise.
2521         (*tls_dynamic_gnu2_call_64_<mode>): Likewise.
2522         (*tls_dynamic_gnu2_combine_64_<mode>): Likewise.
2524 2020-01-21  Jakub Jelinek  <jakub@redhat.com>
2526         PR target/93333
2527         * config/riscv/riscv.c (riscv_rtx_costs) <case ZERO_EXTRACT>: Verify
2528         the last two operands are CONST_INT_P before using them as such.
2530 2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>
2532         * config/aarch64/aarch64-sve-builtins.def: Use get_typenode_from_name
2533         to get the integer element types.
2535 2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>
2537         * config/aarch64/aarch64-sve-builtins.h
2538         (function_expander::convert_to_pmode): Declare.
2539         * config/aarch64/aarch64-sve-builtins.cc
2540         (function_expander::convert_to_pmode): New function.
2541         (function_expander::get_contiguous_base): Use it.
2542         (function_expander::prepare_gather_address_operands): Likewise.
2543         * config/aarch64/aarch64-sve-builtins-sve2.cc
2544         (svwhilerw_svwhilewr_impl::expand): Likewise.
2546 2020-01-21  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2548         PR target/92424
2549         * config/aarch64/aarch64.c (aarch64_declare_function_name): Set
2550         cfun->machine->label_is_assembled.
2551         (aarch64_print_patchable_function_entry): New.
2552         (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY): Define.
2553         * config/aarch64/aarch64.h (struct machine_function): New field,
2554         label_is_assembled.
2556 2020-01-21  David Malcolm  <dmalcolm@redhat.com>
2558         PR ipa/93315
2559         * ipa-profile.c (ipa_profile): Delete call_sums and set it to
2560         NULL on exit.
2562 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2564         PR lto/93318    
2565         * cgraph.c (cgraph_edge::resolve_speculation,
2566         cgraph_edge::redirect_call_stmt_to_callee): Fix update of
2567         call_stmt_site_hash.
2569 2020-01-21  Martin Liska  <mliska@suse.cz>
2571         * config/rs6000/rs6000.c (common_mode_defined): Remove
2572         unused variable.
2574 2020-01-21  Richard Biener  <rguenther@suse.de>
2576         PR tree-optimization/92328
2577         * tree-ssa-sccvn.c (vn_reference_lookup_3): Preserve
2578         type when value-numbering same-sized store by inserting a
2579         VIEW_CONVERT_EXPR.
2580         (eliminate_dom_walker::eliminate_stmt): When eliminating
2581         a redundant store handle bit-reinterpretation of the same value.
2583 2020-01-21  Andrew Pinski  <apinski@marvel.com>
2585         PR tree-opt/93321
2586         * tree-into-ssa.c (prepare_block_for_update_1): Split out
2587         from ...
2588         (prepare_block_for_update): This.  Use a worklist instead of
2589         recursing.
2591 2020-01-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2593         * gcc/config/arm/arm.c (clear_operation_p):
2594         Initialise last_regno, skip first iteration
2595         based on the first_set value and use ints instead
2596         of the unnecessary HOST_WIDE_INTs.
2598 2020-01-21  Jakub Jelinek  <jakub@redhat.com>
2600         PR target/93073
2601         * config/rs6000/rs6000.c (rs6000_emit_cmove): If using fsel, punt for
2602         compare_mode other than SFmode or DFmode.
2604 2020-01-21  Kito Cheng  <kito.cheng@sifive.com>
2606         PR target/93304
2607         * config/riscv/riscv-protos.h (riscv_hard_regno_rename_ok): New.
2608         * config/riscv/riscv.c (riscv_hard_regno_rename_ok): New.
2609         * config/riscv/riscv.h (HARD_REGNO_RENAME_OK): Defined.
2611 2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>
2613         * config/aarch64/aarch64.c (neoversen1_tunings): Set jump_align to 4.
2615 2020-01-20  Andrew Pinski  <apinski@marvell.com>
2617         PR middle-end/93242
2618         * targhooks.c (default_print_patchable_function_entry): Use
2619         output_asm_insn to emit the nop instruction.
2621 2020-01-20  Fangrui Song  <maskray@google.com>
2623         PR middle-end/93194
2624         * targhooks.c (default_print_patchable_function_entry): Align to
2625         POINTER_SIZE.
2627 2020-01-20  H.J. Lu  <hongjiu.lu@intel.com>
2629         PR target/93319
2630         * config/i386/i386.c (legitimize_tls_address): Pass Pmode to
2631         gen_tls_dynamic_gnu2_64.  Compute GNU2 TLS address in ptr_mode.
2632         * config/i386/i386.md (tls_dynamic_gnu2_64): Renamed to ...
2633         (@tls_dynamic_gnu2_64_<mode>): This.  Replace DI with P.
2634         (*tls_dynamic_gnu2_lea_64): Renamed to ...
2635         (*tls_dynamic_gnu2_lea_64_<mode>): This.  Replace DI with P.
2636         Remove the {q} suffix from lea.
2637         (*tls_dynamic_gnu2_call_64): Renamed to ...
2638         (*tls_dynamic_gnu2_call_64_<mode>): This.  Replace DI with P.
2639         (*tls_dynamic_gnu2_combine_64): Renamed to ...
2640         (*tls_dynamic_gnu2_combine_64_<mode>): This.  Replace DI with P.
2641         Pass Pmode to gen_tls_dynamic_gnu2_64.
2643 2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>
2645         * config/aarch64/aarch64.h (SLOW_BYTE_ACCESS): Set to 1.
2647 2020-01-20  Richard Sandiford  <richard.sandiford@arm.com>
2649         * config/aarch64/aarch64-sve-builtins-base.cc
2650         (svld1ro_impl::memory_vector_mode): Remove parameter name.
2652 2020-01-20  Richard Biener  <rguenther@suse.de>
2654         PR debug/92763
2655         * dwarf2out.c (prune_unused_types): Unconditionally mark
2656         called function DIEs.
2658 2020-01-20  Martin Liska  <mliska@suse.cz>
2660         PR tree-optimization/93199
2661         * tree-eh.c (struct leh_state): Add
2662         new field outer_non_cleanup.
2663         (cleanup_is_dead_in): Pass leh_state instead
2664         of eh_region.  Add a checking that state->outer_non_cleanup
2665         points to outer non-clean up region.
2666         (lower_try_finally): Record outer_non_cleanup
2667         for this_state.
2668         (lower_catch): Likewise.
2669         (lower_eh_filter): Likewise.
2670         (lower_eh_must_not_throw): Likewise.
2671         (lower_cleanup): Likewise.
2673 2020-01-20  Richard Biener  <rguenther@suse.de>
2675         PR tree-optimization/93094
2676         * tree-vectorizer.h (vect_loop_versioning): Adjust.
2677         (vect_transform_loop): Likewise.
2678         * tree-vectorizer.c (try_vectorize_loop_1): Pass down
2679         loop_vectorized_call to vect_transform_loop.
2680         * tree-vect-loop.c (vect_transform_loop): Pass down
2681         loop_vectorized_call to vect_loop_versioning.
2682         * tree-vect-loop-manip.c (vect_loop_versioning): Use
2683         the earlier discovered loop_vectorized_call.
2685 2020-01-19  Eric S. Raymond <esr@thyrsus.com>
2687         * doc/contribute.texi: Update for SVN -> Git transition.
2688         * doc/install.texi: Likewise.
2690 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2692         PR lto/93318
2693         * cgraph.c (cgraph_edge::make_speculative): Increase number of
2694         speculative targets.
2695         (verify_speculative_call): New function
2696         (cgraph_node::verify_node): Use it.
2697         * ipa-profile.c (ipa_profile): Fix formating; do not set number of
2698         speculations.
2700 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2702         PR lto/93318
2703         * cgraph.c (cgraph_edge::resolve_speculation): Fix foramting.
2704         (cgraph_edge::make_direct): Remove all indirect targets.
2705         (cgraph_edge::redirect_call_stmt_to_callee): Use make_direct..
2706         (cgraph_node::verify_node): Verify that only one call_stmt or
2707         lto_stmt_uid is set.
2708         * cgraphclones.c (cgraph_edge::clone): Set only one call_stmt or
2709         lto_stmt_uid.
2710         * lto-cgraph.c (lto_output_edge): Simplify streaming of stmt.
2711         (lto_output_ref): Simplify streaming of stmt.
2712         * lto-streamer-in.c (fixup_call_stmt_edges_1): Clear lto_stmt_uid.
2714 2020-01-18  Tamar Christina  <tamar.christina@arm.com>
2716         * config/aarch64/aarch64-sve-builtins-base.cc (memory_vector_mode):
2717         Mark parameter unused.
2719 2020-01-18  Hans-Peter Nilsson  <hp@axis.com>
2721         * config.gcc <obsolete targets>: Add crisv32-*-* and cris-*-linux*
2723 2019-01-18  Gerald Pfeifer  <gerald@pfeifer.com>
2725         * varpool.c (ctor_useable_for_folding_p): Fix grammar.
2727 2020-01-18  Iain Sandoe  <iain@sandoe.co.uk>
2729         * Makefile.in: Add coroutine-passes.o.
2730         * builtin-types.def (BT_CONST_SIZE): New.
2731         (BT_FN_BOOL_PTR): New.
2732         (BT_FN_PTR_PTR_CONST_SIZE_BOOL): New.
2733         * builtins.def (DEF_COROUTINE_BUILTIN): New.
2734         * coroutine-builtins.def: New file.
2735         * coroutine-passes.cc: New file.
2736         * function.h (struct GTY function): Add a bit to indicate that the
2737         function is a coroutine component.
2738         * internal-fn.c (expand_CO_FRAME): New.
2739         (expand_CO_YIELD): New.
2740         (expand_CO_SUSPN): New.
2741         (expand_CO_ACTOR): New.
2742         * internal-fn.def (CO_ACTOR): New.
2743         (CO_YIELD): New.
2744         (CO_SUSPN): New.
2745         (CO_FRAME): New.
2746         * passes.def: Add pass_coroutine_lower_builtins,
2747         pass_coroutine_early_expand_ifns.
2748         * tree-pass.h (make_pass_coroutine_lower_builtins): New.
2749         (make_pass_coroutine_early_expand_ifns): New.
2750         * doc/invoke.texi: Document the fcoroutines command line
2751         switch.
2753 2020-01-18  Jakub Jelinek  <jakub@redhat.com>
2755         * config/arm/vfp.md (*clear_vfp_multiple): Remove unused variable.
2757         PR target/93312
2758         * config/arm/arm.c (clear_operation_p): Don't use REGNO until
2759         after checking the argument is a REG.  Don't use REGNO (reg)
2760         again to set last_regno, reuse regno variable instead.
2762 2020-01-17  David Malcolm  <dmalcolm@redhat.com>
2764         * doc/analyzer.texi (Limitations): Add note about NaN.
2766 2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2767             Sudakshina Das  <sudi.das@arm.com>
2769         * config/arm/arm.md (ashldi3): Generate thumb2_lsll for both reg
2770         and valid immediate.
2771         (ashrdi3): Generate thumb2_asrl for both reg and valid immediate.
2772         (lshrdi3): Generate thumb2_lsrl for valid immediates.
2773         * config/arm/constraints.md (Pg): New.
2774         * config/arm/predicates.md (long_shift_imm): New.
2775         (arm_reg_or_long_shift_imm): Likewise.
2776         * config/arm/thumb2.md (thumb2_asrl): New immediate alternative.
2777         (thumb2_lsll): Likewise.
2778         (thumb2_lsrl): New.
2780 2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2781             Sudakshina Das  <sudi.das@arm.com>
2783         * config/arm/arm.md (ashldi3): Generate thumb2_lsll for TARGET_HAVE_MVE.
2784         (ashrdi3): Generate thumb2_asrl for TARGET_HAVE_MVE.
2785         * config/arm/arm.c (arm_hard_regno_mode_ok): Allocate even odd
2786         register pairs for doubleword quantities for ARMv8.1M-Mainline.
2787         * config/arm/thumb2.md (thumb2_asrl): New.
2788         (thumb2_lsll): Likewise.
2790 2020-01-17  Jakub Jelinek  <jakub@redhat.com>
2792         * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear): Remove
2793         unused variable.
2795 2020-01-17  Alexander Monakov  <amonakov@ispras.ru>
2797         * gdbinit.in (help-gcc-hooks): New command.
2798         (pp, pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, ptc, pdn, ptn, pdd, prc,
2799         pi, pbm, pel, trt): Take $arg0 instead of $ if supplied. Update
2800         documentation.
2802 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
2804         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use the
2805         correct target macro.
2807 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
2809         * config/aarch64/aarch64-protos.h
2810         (aarch64_sve_ld1ro_operand_p): New.
2811         * config/aarch64/aarch64-sve-builtins-base.cc
2812         (class load_replicate): New.
2813         (class svld1ro_impl): New.
2814         (class svld1rq_impl): Change to inherit from load_replicate.
2815         (svld1ro): New sve intrinsic function base.
2816         * config/aarch64/aarch64-sve-builtins-base.def (svld1ro):
2817         New DEF_SVE_FUNCTION.
2818         * config/aarch64/aarch64-sve-builtins-base.h
2819         (svld1ro): New decl.
2820         * config/aarch64/aarch64-sve-builtins.cc
2821         (function_expander::add_mem_operand): Modify assert to allow
2822         OImode.
2823         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): New
2824         pattern.
2825         * config/aarch64/aarch64.c
2826         (aarch64_sve_ld1rq_operand_p): Implement in terms of ...
2827         (aarch64_sve_ld1rq_ld1ro_operand_p): This.
2828         (aarch64_sve_ld1ro_operand_p): New.
2829         * config/aarch64/aarch64.md (UNSPEC_LD1RO): New unspec.
2830         * config/aarch64/constraints.md (UOb,UOh,UOw,UOd): New.
2831         * config/aarch64/predicates.md
2832         (aarch64_sve_ld1ro_operand_{b,h,w,d}): New.
2834 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
2836         * config/aarch64/aarch64-c.c (_ARM_FEATURE_MATMUL_FLOAT64):
2837         Introduce this ACLE specified predefined macro.
2838         * config/aarch64/aarch64-option-extensions.def (f64mm): New.
2839         (fp): Disabling this disables f64mm.
2840         (simd): Disabling this disables f64mm.
2841         (fp16): Disabling this disables f64mm.
2842         (sve): Disabling this disables f64mm.
2843         * config/aarch64/aarch64.h (AARCH64_FL_F64MM): New.
2844         (AARCH64_ISA_F64MM): New.
2845         (TARGET_F64MM): New.
2846         * doc/invoke.texi (f64mm): Document new option.
2848 2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
2850         * config/aarch64/aarch64.c (generic_tunings): Add branch fusion.
2851         (neoversen1_tunings): Likewise.
2853 2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
2855         PR target/92692
2856         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap)
2857         Add assert to ensure prolog has been emitted.
2858         (aarch64_split_atomic_op): Likewise.
2859         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>)
2860         Use epilogue_completed rather than reload_completed.
2861         (aarch64_atomic_exchange<mode>): Likewise.
2862         (aarch64_atomic_<atomic_optab><mode>): Likewise.
2863         (atomic_nand<mode>): Likewise.
2864         (aarch64_atomic_fetch_<atomic_optab><mode>): Likewise.
2865         (atomic_fetch_nand<mode>): Likewise.
2866         (aarch64_atomic_<atomic_optab>_fetch<mode>): Likewise.
2867         (atomic_nand_fetch<mode>): Likewise.
2869 2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>
2871         PR target/93133
2872         * config/aarch64/aarch64.h (REVERSIBLE_CC_MODE): Return false
2873         for FP modes.
2874         (REVERSE_CONDITION): Delete.
2875         * config/aarch64/iterators.md (CC_ONLY): New mode iterator.
2876         (CCFP_CCFPE): Likewise.
2877         (e): New mode attribute.
2878         * config/aarch64/aarch64.md (ccmp<GPI:mode>): Rename to...
2879         (@ccmp<CC_ONLY:mode><GPI:mode>): ...this, using CC_ONLY instead of CC.
2880         (fccmp<GPF:mode>, fccmpe<GPF:mode>): Merge into...
2881         (@ccmp<CCFP_CCFPE:mode><GPF:mode>): ...this combined pattern.
2882         (@ccmp<CC_ONLY:mode><GPI:mode>_rev): New pattern.
2883         (@ccmp<CCFP_CCFPE:mode><GPF:mode>_rev): Likewise.
2884         * config/aarch64/aarch64.c (aarch64_gen_compare_reg): Update
2885         name of generator from gen_ccmpdi to gen_ccmpccdi.
2886         (aarch64_gen_ccmp_next): Use code_for_ccmp.  If we want to reverse
2887         the previous comparison but aren't able to, use the new ccmp_rev
2888         patterns instead.
2890 2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>
2892         * gimplify.c (gimplify_return_expr): Use poly_int_tree_p rather
2893         than testing directly for INTEGER_CST.
2894         (gimplify_target_expr, gimplify_omp_depend): Likewise.
2896 2020-01-17  Jakub Jelinek  <jakub@redhat.com>
2898         PR tree-optimization/93292
2899         * tree-vect-stmts.c (vectorizable_comparison): Punt also if
2900         get_vectype_for_scalar_type returns NULL.
2902 2020-01-16  Jan Hubicka  <hubicka@ucw.cz>
2904         * params.opt (-param=max-predicted-iterations): Increase range from 0.
2905         * predict.c (estimate_loops): Add 1 to param_max_predicted_iterations.
2907 2020-01-16  Jan Hubicka  <hubicka@ucw.cz>
2909         * ipa-fnsummary.c (estimate_calls_size_and_time): Fix formating of
2910         dump.
2911         * params.opt: (max-predicted-iterations): Set bounds.
2912         * predict.c (real_almost_one, real_br_prob_base,
2913         real_inv_br_prob_base, real_one_half, real_bb_freq_max): Remove.
2914         (propagate_freq): Add max_cyclic_prob parameter; cap cyclic
2915         probabilities; do not truncate to reg_br_prob_bases.
2916         (estimate_loops_at_level): Pass max_cyclic_prob.
2917         (estimate_loops): Compute max_cyclic_prob.
2918         (estimate_bb_frequencies): Do not initialize real_*; update calculation
2919         of back edge prob.
2920         * profile-count.c (profile_probability::to_sreal): New.
2921         * profile-count.h (class sreal): Move up in file.
2922         (profile_probability::to_sreal): Declare.
2924 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
2926         * config/arm/arm.c
2927         (arm_invalid_conversion): New function for target hook.
2928         (arm_invalid_unary_op): New function for target hook.
2929         (arm_invalid_binary_op): New function for target hook.
2931 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
2933         * config.gcc: Add arm_bf16.h.
2934         * config/arm/arm-builtins.c (arm_mangle_builtin_type): Fix comment.
2935         (arm_simd_builtin_std_type): Add BFmode.
2936         (arm_init_simd_builtin_types): Define element types for vector types.
2937         (arm_init_bf16_types): New function.
2938         (arm_init_builtins): Add arm_init_bf16_types function call.
2939         * config/arm/arm-modes.def: Add BFmode and V4BF, V8BF vector modes.
2940         * config/arm/arm-simd-builtin-types.def: Add V4BF, V8BF.
2941         * config/arm/arm.c (aapcs_vfp_sub_candidate):  Add BFmode.
2942         (arm_hard_regno_mode_ok): Add BFmode and tidy up statements.
2943         (arm_vector_mode_supported_p): Add V4BF, V8BF.
2944         (arm_mangle_type):  Add __bf16.
2945         * config/arm/arm.h: Add V4BF, V8BF to VALID_NEON_DREG_MODE, 
2946         VALID_NEON_QREG_MODE respectively. Add export arm_bf16_type_node,
2947         arm_bf16_ptr_type_node.
2948         * config/arm/arm.md: Add BFmode to movhf expand, mov pattern and
2949         define_split between ARM registers.
2950         * config/arm/arm_bf16.h: New file.
2951         * config/arm/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
2952         * config/arm/iterators.md: (ANY64_BF, VDXMOV, VHFBF, HFBF, fporbf): New.
2953         (VQXMOV): Add V8BF.
2954         * config/arm/neon.md: Add BF vector types to movhf NEON move patterns.
2955         * config/arm/vfp.md: Add BFmode to movhf patterns.
2957 2020-01-16  Mihail Ionescu  <mihail.ionescu@arm.com>
2958             Andre Vieira  <andre.simoesdiasvieira@arm.com>
2960         * config/arm/arm-cpus.in (mve, mve_float): New features.
2961         (dsp, mve, mve.fp): New options.
2962         * config/arm/arm.h (TARGET_HAVE_MVE, TARGET_HAVE_MVE_FLOAT): Define.
2963         * config/arm/t-rmprofile: Map v8.1-M multilibs to v8-M.
2964         * doc/invoke.texi: Document the armv8.1-m mve and dps options.
2966 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2967             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2969         * config/arm/arm-cpus.in (ARMv8_1m_main): Redefine as an extension to
2970         Armv8-M Mainline.
2971         * config/arm/arm.c (arm_options_perform_arch_sanity_checks): Remove
2972         error for using -mcmse when targeting Armv8.1-M Mainline.
2974 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2975             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2977         * config/arm/arm.md (nonsecure_call_internal): Do not force memory
2978         address in r4 when targeting Armv8.1-M Mainline.
2979         (nonsecure_call_value_internal): Likewise.
2980         * config/arm/thumb2.md (nonsecure_call_reg_thumb2): Make memory address
2981         a register match_operand again.  Emit BLXNS when targeting
2982         Armv8.1-M Mainline.
2983         (nonsecure_call_value_reg_thumb2): Likewise.
2985 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2986             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2988         * config/arm/arm.c (arm_add_cfa_adjust_cfa_note): Declare early.
2989         (cmse_nonsecure_call_inline_register_clear): Define new lazy_fpclear
2990         variable as true when floating-point ABI is not hard.  Replace
2991         check against TARGET_HARD_FLOAT_ABI by checks against lazy_fpclear.
2992         Generate VLSTM and VLLDM instruction respectively before and
2993         after a function call to cmse_nonsecure_call function.
2994         * config/arm/unspecs.md (VUNSPEC_VLSTM): Define unspec.
2995         (VUNSPEC_VLLDM): Likewise.
2996         * config/arm/vfp.md (lazy_store_multiple_insn): New define_insn.
2997         (lazy_load_multiple_insn): Likewise.
2999 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3000             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3002         * config/arm/arm.c (vfp_emit_fstmd): Declare early.
3003         (arm_emit_vfp_multi_reg_pop): Likewise.
3004         (cmse_nonsecure_call_inline_register_clear): Abstract number of VFP
3005         registers to clear in max_fp_regno.  Emit VPUSH and VPOP to save and
3006         restore callee-saved VFP registers.
3008 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3009             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3011         * config/arm/arm.c (arm_emit_multi_reg_pop): Declare early.
3012         (cmse_nonsecure_call_clear_caller_saved): Rename into ...
3013         (cmse_nonsecure_call_inline_register_clear): This.  Save and clear
3014         callee-saved GPRs as well as clear ip register before doing a nonsecure
3015         call then restore callee-saved GPRs after it when targeting
3016         Armv8.1-M Mainline.
3017         (arm_reorg): Adapt to function rename.
3019 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3020             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3022         * config/arm/arm-protos.h (clear_operation_p): Adapt prototype.
3023         * config/arm/arm.c (clear_operation_p): Extend to be able to check a
3024         clear_vfp_multiple pattern based on a new vfp parameter.
3025         (cmse_clear_registers): Generate VSCCLRM to clear VFP registers when
3026         targeting Armv8.1-M Mainline.
3027         (cmse_nonsecure_entry_clear_before_return): Clear VFP registers
3028         unconditionally when targeting Armv8.1-M Mainline architecture.  Check
3029         whether VFP registers are available before looking call_used_regs for a
3030         VFP register.
3031         * config/arm/predicates.md (clear_multiple_operation): Adapt to change
3032         of prototype of clear_operation_p.
3033         (clear_vfp_multiple_operation): New predicate.
3034         * config/arm/unspecs.md (VUNSPEC_VSCCLRM_VPR): New volatile unspec.
3035         * config/arm/vfp.md (clear_vfp_multiple): New define_insn.
3037 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3038             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3040         * config/arm/arm-protos.h (clear_operation_p): Declare.
3041         * config/arm/arm.c (clear_operation_p): New function.
3042         (cmse_clear_registers): Generate clear_multiple instruction pattern if
3043         targeting Armv8.1-M Mainline or successor.
3044         (output_return_instruction): Only output APSR register clearing if
3045         Armv8.1-M Mainline instructions not available.
3046         (thumb_exit): Likewise.
3047         * config/arm/predicates.md (clear_multiple_operation): New predicate.
3048         * config/arm/thumb2.md (clear_apsr): New define_insn.
3049         (clear_multiple): Likewise.
3050         * config/arm/unspecs.md (VUNSPEC_CLRM_APSR): New volatile unspec.
3052 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3053             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3055         * config/arm/arm.c (fp_sysreg_names): Declare and define.
3056         (use_return_insn): Also return false for Armv8.1-M Mainline.
3057         (output_return_instruction): Skip FPSCR clearing if Armv8.1-M
3058         Mainline instructions are available.
3059         (arm_compute_frame_layout): Allocate space in frame for FPCXTNS
3060         when targeting Armv8.1-M Mainline Security Extensions.
3061         (arm_expand_prologue): Save FPCXTNS if this is an Armv8.1-M
3062         Mainline entry function.
3063         (cmse_nonsecure_entry_clear_before_return): Clear IP and r4 if
3064         targeting Armv8.1-M Mainline or successor.
3065         (arm_expand_epilogue): Fix indentation of caller-saved register
3066         clearing.  Restore FPCXTNS if this is an Armv8.1-M Mainline
3067         entry function.
3068         * config/arm/arm.h (TARGET_HAVE_FP_CMSE): New macro.
3069         (FP_SYSREGS): Likewise.
3070         (enum vfp_sysregs_encoding): Define enum.
3071         (fp_sysreg_names): Declare.
3072         * config/arm/unspecs.md (VUNSPEC_VSTR_VLDR): New volatile unspec.
3073         * config/arm/vfp.md (push_fpsysreg_insn): New define_insn.
3074         (pop_fpsysreg_insn): Likewise.
3076 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3077             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3079         * config/arm/arm-cpus.in (armv8_1m_main): New feature.
3080         (ARMv4, ARMv4t, ARMv5t, ARMv5te, ARMv5tej, ARMv6, ARMv6j, ARMv6k,
3081         ARMv6z, ARMv6kz, ARMv6zk, ARMv6t2, ARMv6m, ARMv7, ARMv7a, ARMv7ve,
3082         ARMv7r, ARMv7m, ARMv7em, ARMv8a, ARMv8_1a, ARMv8_2a, ARMv8_3a,
3083         ARMv8_4a, ARMv8_5a, ARMv8m_base, ARMv8m_main, ARMv8r): Reindent.
3084         (ARMv8_1m_main): New feature group.
3085         (armv8.1-m.main): New architecture.
3086         * config/arm/arm-tables.opt: Regenerate.
3087         * config/arm/arm.c (arm_arch8_1m_main): Define and default initialize.
3088         (arm_option_reconfigure_globals): Initialize arm_arch8_1m_main.
3089         (arm_options_perform_arch_sanity_checks): Error out when targeting
3090         Armv8.1-M Mainline Security Extensions.
3091         * config/arm/arm.h (arm_arch8_1m_main): Declare.
3093 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3095         * config/aarch64/aarch64-simd-builtins.def (aarch64_bfdot,
3096         aarch64_bfdot_lane, aarch64_bfdot_laneq): New.
3097         * config/aarch64/aarch64-simd.md (aarch64_bfdot, aarch64_bfdot_lane,
3098         aarch64_bfdot_laneq): New.
3099         * config/aarch64/arm_bf16.h (vbfdot_f32, vbfdotq_f32,
3100         vbfdot_lane_f32, vbfdotq_lane_f32, vbfdot_laneq_f32,
3101         vbfdotq_laneq_f32): New.
3102         * config/aarch64/iterators.md (UNSPEC_BFDOT, Vbfdottype,
3103         VBFMLA_W, VBF): New.
3104         (isquadop): Add V4BF, V8BF.
3106 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3108         * config/aarch64/aarch64-builtins.c: (enum aarch64_type_qualifiers):
3109         New qualifier_lane_quadtup_index, TYPES_TERNOP_SSUS,
3110         TYPES_QUADOPSSUS_LANE_QUADTUP, TYPES_QUADOPSSSU_LANE_QUADTUP.
3111         (aarch64_simd_expand_args): Add case SIMD_ARG_LANE_QUADTUP_INDEX.
3112         (aarch64_simd_expand_builtin): Add qualifier_lane_quadtup_index.
3113         * config/aarch64/aarch64-simd-builtins.def (usdot, usdot_lane,
3114         usdot_laneq, sudot_lane,sudot_laneq): New.
3115         * config/aarch64/aarch64-simd.md (aarch64_usdot): New.
3116         (aarch64_<sur>dot_lane): New.
3117         * config/aarch64/arm_neon.h (vusdot_s32): New.
3118         (vusdotq_s32): New.
3119         (vusdot_lane_s32): New.
3120         (vsudot_lane_s32): New.
3121         * config/aarch64/iterators.md (DOTPROD_I8MM): New iterator.
3122         (UNSPEC_USDOT, UNSPEC_SUDOT): New unspecs.
3124 2020-01-16  Martin Liska  <mliska@suse.cz>
3126         * value-prof.c (dump_histogram_value): Fix
3127         obvious spacing issue.
3129 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3131         * tree-ssa-sccvn.c(vn_reference_lookup_3): Check lhs for
3132         !storage_order_barrier_p.
3134 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3136         * sched-int.h (_dep): Add unused bit-field field for the padding.
3137         * sched-deps.c (init_dep_1): Init unused field.
3139 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3141         * optabs.h (create_expand_operand): Initialize target field also.
3143 2020-01-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3145         PR tree-optimization/92429
3146         * tree-ssa-loop-niter.h (simplify_replace_tree): Add parameter.
3147         * tree-ssa-loop-niter.c (simplify_replace_tree): Add parameter to
3148         control folding.
3149         * tree-vect-loop.c (update_epilogue_vinfo): Do not fold when replacing
3150         tree.
3152 2020-01-16  Richard Sandiford  <richard.sandiford@arm.com>
3154         * config/aarch64/aarch64.c (aarch64_split_sve_subreg_move): Apply
3155         aarch64_sve_int_mode to each mode.
3157 2020-01-15  David Malcolm  <dmalcolm@redhat.com>
3159         * doc/analyzer.texi (Overview): Add note about
3160         -fdump-ipa-analyzer.
3162 2020-01-15  Wilco Dijkstra  <wdijkstr@arm.com>
3164         PR tree-optimization/93231
3165         * tree-ssa-forwprop.c (optimize_count_trailing_zeroes): Check
3166         input_type is unsigned.  Use tree_to_shwi for shift constant.
3167         Check CST_STRING element size is CHAR_TYPE_SIZE bits.
3168         (simplify_count_trailing_zeroes): Add test to handle known non-zero
3169         inputs more efficiently.
3171 2020-01-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3173         * config/i386/i386.md (*movsf_internal): Do not require
3174         SSE2 ISA for alternatives 14 and 15.
3176 2020-01-15  Richard Biener  <rguenther@suse.de>
3178         PR middle-end/93273
3179         * tree-eh.c (sink_clobbers): If we already visited the destination
3180         block do not defer insertion.
3181         (pass_lower_eh_dispatch::execute): Maintain BB_VISITED for
3182         the purpose of defered insertion.
3184 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3186         * BASE-VER: Bump to 10.0.1.
3188 2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3190         PR tree-optimization/93247
3191         * tree-vect-loop.c (update_epilogue_loop_vinfo): Check the access
3192         type of the stmt that we're going to vectorize.
3194 2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3196         * tree-vect-slp.c (vectorize_slp_instance_root_stmt): Use a
3197         VIEW_CONVERT_EXPR if the vectorized constructor has a diffeent
3198         type from the lhs.
3200 2020-01-15  Martin Liska  <mliska@suse.cz>
3202         * ipa-profile.c (ipa_profile_read_edge_summary): Do not allow
3203         2 calls of streamer_read_hwi in a function call.
3205 2020-01-15  Richard Biener  <rguenther@suse.de>
3207         * alias.c (record_alias_subset): Avoid redundant work when
3208         subset is already recorded.
3210 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3212         * doc/invoke.texi (-fdiagnostics-show-cwe): Add note that some of
3213         the analyzer options provide CWE identifiers.
3215 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3217         * tree-diagnostic-path.cc (path_summary::event_range::print):
3218         When testing for UNKNOWN_LOCATION, look through ad-hoc wrappers
3219         using get_pure_location.
3221 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3223         PR tree-optimization/93262
3224         * tree-ssa-dse.c (maybe_trim_memstar_call): For *_chk builtins,
3225         perform head trimming only if the last argument is constant,
3226         either all ones, or larger or equal to head trim, in the latter
3227         case decrease the last argument by head_trim.
3229         PR tree-optimization/93249
3230         * tree-ssa-dse.c: Include builtins.h and gimple-fold.h.
3231         (maybe_trim_memstar_call): Move head_trim and tail_trim vars to
3232         function body scope, reindent.  For BUILTIN_IN_STRNCPY*, don't
3233         perform head trim unless we can prove there are no '\0' chars
3234         from the source among the first head_trim chars.
3236 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3238         * Makefile.in (ANALYZER_OBJS): Add analyzer/function-set.o.
3240 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3242         PR target/93009
3243         * config/i386/sse.md
3244         (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1,
3245         *<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_1,
3246         *<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_1,
3247         *<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_1): Use
3248         just a single alternative instead of two, make operands 1 and 2
3249         commutative.
3251 2020-01-14  Jan Hubicka  <hubicka@ucw.cz>
3253         PR lto/91576
3254         * ipa-devirt.c (odr_types_equivalent_p): Compare TREE_ADDRESSABLE and
3255         TYPE_MODE.
3257 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3259         * Makefile.in (lang_opt_files): Add analyzer.opt.
3260         (ANALYZER_OBJS): New.
3261         (OBJS): Add digraph.o, graphviz.o, ordered-hash-map-tests.o,
3262         tristate.o and ANALYZER_OBJS.
3263         (TEXI_GCCINT_FILES): Add analyzer.texi.
3264         * common.opt (-fanalyzer): New driver option.
3265         * config.in: Regenerate.
3266         * configure: Regenerate.
3267         * configure.ac (--disable-analyzer, ENABLE_ANALYZER): New option.
3268         (gccdepdir): Also create depdir for "analyzer" subdir.
3269         * digraph.cc: New file.
3270         * digraph.h: New file.
3271         * doc/analyzer.texi: New file.
3272         * doc/gccint.texi ("Static Analyzer") New menu item.
3273         (analyzer.texi): Include it.
3274         * doc/invoke.texi ("Static Analyzer Options"): New list and new section.
3275         ("Warning Options"): Add static analysis warnings to the list.
3276         (-Wno-analyzer-double-fclose): New option.
3277         (-Wno-analyzer-double-free): New option.
3278         (-Wno-analyzer-exposure-through-output-file): New option.
3279         (-Wno-analyzer-file-leak): New option.
3280         (-Wno-analyzer-free-of-non-heap): New option.
3281         (-Wno-analyzer-malloc-leak): New option.
3282         (-Wno-analyzer-possible-null-argument): New option.
3283         (-Wno-analyzer-possible-null-dereference): New option.
3284         (-Wno-analyzer-null-argument): New option.
3285         (-Wno-analyzer-null-dereference): New option.
3286         (-Wno-analyzer-stale-setjmp-buffer): New option.
3287         (-Wno-analyzer-tainted-array-index): New option.
3288         (-Wno-analyzer-use-after-free): New option.
3289         (-Wno-analyzer-use-of-pointer-in-stale-stack-frame): New option.
3290         (-Wno-analyzer-use-of-uninitialized-value): New option.
3291         (-Wanalyzer-too-complex): New option.
3292         (-fanalyzer-call-summaries): New warning.
3293         (-fanalyzer-checker=): New warning.
3294         (-fanalyzer-fine-grained): New warning.
3295         (-fno-analyzer-state-merge): New warning.
3296         (-fno-analyzer-state-purge): New warning.
3297         (-fanalyzer-transitivity): New warning.
3298         (-fanalyzer-verbose-edges): New warning.
3299         (-fanalyzer-verbose-state-changes): New warning.
3300         (-fanalyzer-verbosity=): New warning.
3301         (-fdump-analyzer): New warning.
3302         (-fdump-analyzer-callgraph): New warning.
3303         (-fdump-analyzer-exploded-graph): New warning.
3304         (-fdump-analyzer-exploded-nodes): New warning.
3305         (-fdump-analyzer-exploded-nodes-2): New warning.
3306         (-fdump-analyzer-exploded-nodes-3): New warning.
3307         (-fdump-analyzer-supergraph): New warning.
3308         * doc/sourcebuild.texi (dg-require-dot): New.
3309         (dg-check-dot): New.
3310         * gdbinit.in (break-on-saved-diagnostic): New command.
3311         * graphviz.cc: New file.
3312         * graphviz.h: New file.
3313         * ordered-hash-map-tests.cc: New file.
3314         * ordered-hash-map.h: New file.
3315         * passes.def (pass_analyzer): Add before
3316         pass_ipa_whole_program_visibility.
3317         * selftest-run-tests.c (selftest::run_tests): Call
3318         selftest::ordered_hash_map_tests_cc_tests.
3319         * selftest.h (selftest::ordered_hash_map_tests_cc_tests): New
3320         decl.
3321         * shortest-paths.h: New file.
3322         * timevar.def (TV_ANALYZER): New timevar.
3323         (TV_ANALYZER_SUPERGRAPH): Likewise.
3324         (TV_ANALYZER_STATE_PURGE): Likewise.
3325         (TV_ANALYZER_PLAN): Likewise.
3326         (TV_ANALYZER_SCC): Likewise.
3327         (TV_ANALYZER_WORKLIST): Likewise.
3328         (TV_ANALYZER_DUMP): Likewise.
3329         (TV_ANALYZER_DIAGNOSTICS): Likewise.
3330         (TV_ANALYZER_SHORTEST_PATHS): Likewise.
3331         * tree-pass.h (make_pass_analyzer): New decl.
3332         * tristate.cc: New file.
3333         * tristate.h: New file.
3335 2020-01-14  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3337         PR target/93254
3338         * config/i386/i386.md (*movsf_internal): Require SSE2 ISA for
3339         alternatives 9 and 10.
3341 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3343         * attribs.c (excl_hash_traits::empty_zero_p): New static constant.
3344         * gcov.c (function_start_pair_hash::empty_zero_p): Likewise.
3345         * graphite.c (struct sese_scev_hash::empty_zero_p): Likewise.
3346         * hash-map-tests.c (selftest::test_nonzero_empty_key): New selftest.
3347         (selftest::hash_map_tests_c_tests): Call it.
3348         * hash-map-traits.h (simple_hashmap_traits::empty_zero_p):
3349         New static constant, using the value of = H::empty_zero_p.
3350         (unbounded_hashmap_traits::empty_zero_p): Likewise, using the value
3351         from default_hash_traits <Value>.
3352         * hash-map.h (hash_map::empty_zero_p): Likewise, using the value
3353         from Traits.
3354         * hash-set-tests.c (value_hash_traits::empty_zero_p): Likewise.
3355         * hash-table.h (hash_table::alloc_entries): Guard the loop of
3356         calls to mark_empty with !Descriptor::empty_zero_p.
3357         (hash_table::empty_slow): Conditionalize the memset call with a
3358         check that Descriptor::empty_zero_p; otherwise, loop through the
3359         entries calling mark_empty on them.
3360         * hash-traits.h (int_hash::empty_zero_p): New static constant.
3361         (pointer_hash::empty_zero_p): Likewise.
3362         (pair_hash::empty_zero_p): Likewise.
3363         * ipa-devirt.c (default_hash_traits <type_pair>::empty_zero_p):
3364         Likewise.
3365         * ipa-prop.c (ipa_bit_ggc_hash_traits::empty_zero_p): Likewise.
3366         (ipa_vr_ggc_hash_traits::empty_zero_p): Likewise.
3367         * profile.c (location_triplet_hash::empty_zero_p): Likewise.
3368         * sanopt.c (sanopt_tree_triplet_hash::empty_zero_p): Likewise.
3369         (sanopt_tree_couple_hash::empty_zero_p): Likewise.
3370         * tree-hasher.h (int_tree_hasher::empty_zero_p): Likewise.
3371         * tree-ssa-sccvn.c (vn_ssa_aux_hasher::empty_zero_p): Likewise.
3372         * tree-vect-slp.c (bst_traits::empty_zero_p): Likewise.
3373         * tree-vectorizer.h
3374         (default_hash_traits<scalar_cond_masked_key>::empty_zero_p):
3375         Likewise.
3377 2020-01-14  Kewen Lin  <linkw@gcc.gnu.org>
3379         * cfgloopanal.c (average_num_loop_insns): Free bbs when early return,
3380         fix typo on return value.
3382 2020-01-14  Xiong Hu Luo  <luoxhu@linux.ibm.com>
3384         PR ipa/69678
3385         * cgraph.c (symbol_table::create_edge): Init speculative_id and
3386         target_prob.
3387         (cgraph_edge::make_speculative): Add param for setting speculative_id
3388         and target_prob.
3389         (cgraph_edge::speculative_call_info): Update comments and find reference
3390         by speculative_id for multiple indirect targets.
3391         (cgraph_edge::resolve_speculation): Decrease the speculations
3392         for indirect edge, drop it's speculative if not direct target
3393         left. Update comments.
3394         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
3395         (cgraph_node::dump): Print num_speculative_call_targets.
3396         (cgraph_node::verify_node): Don't report error if speculative
3397         edge not include statement.
3398         (cgraph_edge::num_speculative_call_targets_p): New function.
3399         * cgraph.h (int common_target_id): Remove.
3400         (int common_target_probability): Remove.
3401         (num_speculative_call_targets): New variable.
3402         (make_speculative): Add param for setting speculative_id.
3403         (cgraph_edge::num_speculative_call_targets_p): New declare.
3404         (target_prob): New variable.
3405         (speculative_id): New variable.
3406         * ipa-fnsummary.c (analyze_function_body): Create and duplicate
3407           call summaries for multiple speculative call targets.
3408         * cgraphclones.c (cgraph_node::create_clone): Clone speculative_id.
3409         * ipa-profile.c (struct speculative_call_target): New struct.
3410         (class speculative_call_summary): New class.
3411         (class speculative_call_summaries): New class.
3412         (call_sums): New variable.
3413         (ipa_profile_generate_summary): Generate indirect multiple targets summaries.
3414         (ipa_profile_write_edge_summary): New function.
3415         (ipa_profile_write_summary): Stream out indirect multiple targets summaries.
3416         (ipa_profile_dump_all_summaries): New function.
3417         (ipa_profile_read_edge_summary): New function.
3418         (ipa_profile_read_summary_section): New function.
3419         (ipa_profile_read_summary): Stream in indirect multiple targets summaries.
3420         (ipa_profile): Generate num_speculative_call_targets from
3421         profile summaries.
3422         * ipa-ref.h (speculative_id): New variable.
3423         * ipa-utils.c (ipa_merge_profiles): Update with target_prob.
3424         * lto-cgraph.c (lto_output_edge): Remove indirect common_target_id and
3425         common_target_probability.   Stream out speculative_id and
3426         num_speculative_call_targets.
3427         (input_edge): Likewise.
3428         * predict.c (dump_prediction): Remove edges count assert to be
3429         precise.
3430         * symtab.c (symtab_node::create_reference): Init speculative_id.
3431         (symtab_node::clone_references): Clone speculative_id.
3432         (symtab_node::clone_referring): Clone speculative_id.
3433         (symtab_node::clone_reference): Clone speculative_id.
3434         (symtab_node::clear_stmts_in_references): Clear speculative_id.
3435         * tree-inline.c (copy_bb): Duplicate all the speculative edges
3436         if indirect call contains multiple speculative targets.
3437         * value-prof.h  (check_ic_target): Remove.
3438         * value-prof.c  (gimple_value_profile_transformations):
3439         Use void function gimple_ic_transform.
3440         * value-prof.c  (gimple_ic_transform): Handle topn case.
3441         Fix comment typos.  Change it to a void function.
3443 2020-01-13  Andrew Pinski  <apinski@marvell.com>
3445         * config/aarch64/aarch64-cores.def (octeontx2): New define.
3446         (octeontx2t98): New define.
3447         (octeontx2t96): New define.
3448         (octeontx2t93): New define.
3449         (octeontx2f95): New define.
3450         (octeontx2f95n): New define.
3451         (octeontx2f95mm): New define.
3452         * config/aarch64/aarch64-tune.md: Regenerate.
3453         * doc/invoke.texi (-mcpu=): Document the new cpu types.
3455 2020-01-13  Jason Merrill  <jason@redhat.com>
3457         PR c++/33799 - destroy return value if local cleanup throws.
3458         * gimplify.c (gimplify_return_expr): Handle COMPOUND_EXPR.
3460 2020-01-13  Martin Liska  <mliska@suse.cz>
3462         * ipa-cp.c (get_max_overall_size): Use newly
3463         renamed param param_ipa_cp_unit_growth.
3464         * params.opt: Remove legacy param name.
3466 2020-01-13  Martin Sebor  <msebor@redhat.com>
3468         PR tree-optimization/93213
3469         * tree-ssa-strlen.c (handle_store): Only allow single-byte nul-over-nul
3470         stores to be eliminated.
3472 2020-01-13  Martin Liska  <mliska@suse.cz>
3474         * opts.c (print_help): Do not print CL_PARAM
3475         and CL_WARNING for CL_OPTIMIZATION.
3477 2020-01-13  Jonathan Wakely  <jwakely@redhat.com>
3479         PR driver/92757
3480         * doc/invoke.texi (Warning Options): Add caveat about some warnings
3481         depending on optimization settings.
3483 2020-01-13  Jakub Jelinek  <jakub@redhat.com>
3485         PR tree-optimization/90838
3486         * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3487         SCALAR_INT_TYPE_MODE directly in CTZ_DEFINED_VALUE_AT_ZERO macro
3488         argument rather than to initialize temporary for targets that
3489         don't use the mode argument at all.  Initialize ctzval to avoid
3490         warning at -O0.
3492 2020-01-10  Thomas Schwinge  <thomas@codesourcery.com>
3494         * tree.h (OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT): New definition.
3495         * tree-core.h: Document it.
3496         * gimplify.c (gimplify_omp_workshare): Set it.
3497         * omp-low.c (lower_omp_target): Use it.
3498         * tree-pretty-print.c (dump_omp_clause): Print it.
3500         * omp-low.c (lower_omp_target) <OMP_CLAUSE_USE_DEVICE_PTR etc.>:
3501         Assert that for OpenACC we always have 'GOMP_MAP_USE_DEVICE_PTR'.
3503 2020-01-10  David Malcolm  <dmalcolm@redhat.com>
3505         * Makefile.in (OBJS): Add tree-diagnostic-path.o.
3506         * common.opt (fdiagnostics-path-format=): New option.
3507         (diagnostic_path_format): New enum.
3508         (fdiagnostics-show-path-depths): New option.
3509         * coretypes.h (diagnostic_event_id_t): New forward decl.
3510         * diagnostic-color.c (color_dict): Add "path".
3511         * diagnostic-event-id.h: New file.
3512         * diagnostic-format-json.cc (json_from_expanded_location): Make
3513         non-static.
3514         (json_end_diagnostic): Call context->make_json_for_path if it
3515         exists and the diagnostic has a path.
3516         (diagnostic_output_format_init): Clear context->print_path.
3517         * diagnostic-path.h: New file.
3518         * diagnostic-show-locus.c (colorizer::set_range): Special-case
3519         when printing a run of events in a diagnostic_path so that they
3520         all get the same color.
3521         (layout::m_diagnostic_path_p): New field.
3522         (layout::layout): Initialize it.
3523         (layout::print_any_labels): Don't colorize the label text for an
3524         event in a diagnostic_path.
3525         (gcc_rich_location::add_location_if_nearby): Add
3526         "restrict_to_current_line_spans" and "label" params.  Pass the
3527         former to layout.maybe_add_location_range; pass the latter
3528         when calling add_range.
3529         * diagnostic.c: Include "diagnostic-path.h".
3530         (diagnostic_initialize): Initialize context->path_format and
3531         context->show_path_depths.
3532         (diagnostic_show_any_path): New function.
3533         (diagnostic_path::interprocedural_p): New function.
3534         (diagnostic_report_diagnostic): Call diagnostic_show_any_path.
3535         (simple_diagnostic_path::num_events): New function.
3536         (simple_diagnostic_path::get_event): New function.
3537         (simple_diagnostic_path::add_event): New function.
3538         (simple_diagnostic_event::simple_diagnostic_event): New ctor.
3539         (simple_diagnostic_event::~simple_diagnostic_event): New dtor.
3540         (debug): New overload taking a diagnostic_path *.
3541         * diagnostic.def (DK_DIAGNOSTIC_PATH): New.
3542         * diagnostic.h (enum diagnostic_path_format): New enum.
3543         (json::value): New forward decl.
3544         (diagnostic_context::path_format): New field.
3545         (diagnostic_context::show_path_depths): New field.
3546         (diagnostic_context::print_path): New callback field.
3547         (diagnostic_context::make_json_for_path): New callback field.
3548         (diagnostic_show_any_path): New decl.
3549         (json_from_expanded_location): New decl.
3550         * doc/invoke.texi (-fdiagnostics-path-format=): New option.
3551         (-fdiagnostics-show-path-depths): New option.
3552         (-fdiagnostics-color): Add "path" to description of default
3553         GCC_COLORS; describe it.
3554         (-fdiagnostics-format=json): Document how diagnostic paths are
3555         represented in the JSON output format.
3556         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
3557         Add optional params "restrict_to_current_line_spans" and "label".
3558         * opts.c (common_handle_option): Handle
3559         OPT_fdiagnostics_path_format_ and
3560         OPT_fdiagnostics_show_path_depths.
3561         * pretty-print.c: Include "diagnostic-event-id.h".
3562         (pp_format): Implement "%@" format code for printing
3563         diagnostic_event_id_t *.
3564         (selftest::test_pp_format): Add tests for "%@".
3565         * selftest-run-tests.c (selftest::run_tests): Call
3566         selftest::tree_diagnostic_path_cc_tests.
3567         * selftest.h (selftest::tree_diagnostic_path_cc_tests): New decl.
3568         * toplev.c (general_init): Initialize global_dc->path_format and
3569         global_dc->show_path_depths.
3570         * tree-diagnostic-path.cc: New file.
3571         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Make
3572         non-static.  Drop "diagnostic" param in favor of storing the
3573         original value of "where" and re-using it.
3574         (virt_loc_aware_diagnostic_finalizer): Update for dropped param of
3575         maybe_unwind_expanded_macro_loc.
3576         (tree_diagnostics_defaults): Initialize context->print_path and
3577         context->make_json_for_path.
3578         * tree-diagnostic.h (default_tree_diagnostic_path_printer): New
3579         decl.
3580         (default_tree_make_json_for_path): New decl.
3581         (maybe_unwind_expanded_macro_loc): New decl.
3583 2020-01-10  Jakub Jelinek  <jakub@redhat.com>
3585         PR tree-optimization/93210
3586         * fold-const.h (native_encode_initializer,
3587         can_native_interpret_type_p): Declare.
3588         * fold-const.c (native_encode_string): Fix up handling with off != -1,
3589         simplify.
3590         (native_encode_initializer): New function, moved from dwarf2out.c.
3591         Adjust to native_encode_expr compatible arguments, including dry-run
3592         and partial extraction modes.  Don't handle STRING_CST.
3593         (can_native_interpret_type_p): No longer static.
3594         * gimple-fold.c (fold_ctor_reference): For native_encode_expr, verify
3595         offset / BITS_PER_UNIT fits into int and don't call it if
3596         can_native_interpret_type_p fails.  If suboff is NULL and for
3597         CONSTRUCTOR fold_{,non}array_ctor_reference returns NULL, retry with
3598         native_encode_initializer.
3599         (fold_const_aggregate_ref_1): Formatting fix.
3600         * dwarf2out.c (native_encode_initializer): Moved to fold-const.c.
3601         (tree_add_const_value_attribute): Adjust caller.
3603         PR tree-optimization/90838
3604         * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3605         SCALAR_INT_TYPE_MODE instead of TYPE_MODE as operand of
3606         CTZ_DEFINED_VALUE_AT_ZERO.
3608 2020-01-10  Vladimir Makarov  <vmakarov@redhat.com>
3610         PR inline-asm/93027
3611         * lra-constraints.c (match_reload): Permit input operands have the
3612         same mode as output while other input operands have a different
3613         mode.
3615 2020-01-10  Wilco Dijkstra  <wdijkstr@arm.com>
3617         PR tree-optimization/90838
3618         * tree-ssa-forwprop.c (check_ctz_array): Add new function.
3619         (check_ctz_string): Likewise.
3620         (optimize_count_trailing_zeroes): Likewise.
3621         (simplify_count_trailing_zeroes): Likewise.
3622         (pass_forwprop::execute): Try ctz simplification.
3623         * match.pd: Add matching for ctz idioms.
3625 2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3627         * config/aarch64/aarch64.c (aarch64_invalid_conversion): New function
3628         for target hook.
3629         (aarch64_invalid_unary_op): New function for target hook.
3630         (aarch64_invalid_binary_op): New function for target hook.
3632 2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3634         * config.gcc: Add arm_bf16.h.
3635         * config/aarch64/aarch64-builtins.c
3636         (aarch64_simd_builtin_std_type): Add BFmode.
3637         (aarch64_init_simd_builtin_types): Define element types for vector
3638         types.
3639         (aarch64_init_bf16_types): New function.
3640         (aarch64_general_init_builtins): Add arm_init_bf16_types function call.
3641         * config/aarch64/aarch64-modes.def: Add BFmode and V4BF, V8BF vector
3642         modes.
3643         * config/aarch64/aarch64-simd-builtin-types.def: Add BF SIMD types.
3644         * config/aarch64/aarch64-simd.md: Add BF vector types to NEON move
3645         patterns.
3646         * config/aarch64/aarch64.h (AARCH64_VALID_SIMD_DREG_MODE): Add V4BF.
3647         (AARCH64_VALID_SIMD_QREG_MODE): Add V8BF.
3648         * config/aarch64/aarch64.c
3649         (aarch64_classify_vector_mode): Add support for BF types.
3650         (aarch64_gimplify_va_arg_expr): Add support for BF types.
3651         (aarch64_vq_mode): Add support for BF types.
3652         (aarch64_simd_container_mode): Add support for BF types.
3653         (aarch64_mangle_type): Add support for BF scalar type.
3654         * config/aarch64/aarch64.md: Add BFmode to movhf pattern.
3655         * config/aarch64/arm_bf16.h: New file.
3656         * config/aarch64/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
3657         * config/aarch64/iterators.md: Add BF types to mode attributes.
3658         (HFBF, GPF_TF_F16_MOV, VDMOV, VQMOV, VQMOV_NO2Em VALL_F16MOV): New.
3660 2020-01-10  Jason Merrill  <jason@redhat.com>
3662         PR c++/93173 - incorrect tree sharing.
3663         * gimplify.c (copy_if_shared): No longer static.
3664         * gimplify.h: Declare it.
3666 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3668         * doc/invoke.texi (-msve-vector-bits=): Document that
3669         -msve-vector-bits=128 now generates VL-specific code for
3670         little-endian targets.
3671         * config/aarch64/aarch64-sve-builtins.cc (register_builtin_types): Use
3672         build_vector_type_for_mode to construct the data vector types.
3673         * config/aarch64/aarch64.c (aarch64_convert_sve_vector_bits): Generate
3674         VL-specific code for -msve-vector-bits=128 on little-endian targets.
3675         (aarch64_simd_container_mode): Always prefer Advanced SIMD modes
3676         for 128-bit vectors.
3678 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3680         * config/aarch64/aarch64.c (aarch64_evpc_sel): Fix gen_vcond_mask
3681         invocation.
3683 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3685         * config/aarch64/aarch64-builtins.c
3686         (aarch64_builtin_vectorized_function): Check for specific vector modes,
3687         rather than checking the number of elements and the element mode.
3689 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3691         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
3692         get_related_vectype_for_scalar_type rather than build_vector_type
3693         to create the index type for a conditional reduction.
3695 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3697         * tree-vect-loop.c (update_epilogue_loop_vinfo): Update DR_REF
3698         for any type of gather or scatter, including strided accesses.
3700 2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3702         * tree-vectorizer.h (get_dr_vinfo_offset): Add missing function
3703          comment.
3705 2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3707         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Use
3708         get_dr_vinfo_offset
3709         * tree-vect-loop.c (update_epilogue_loop_vinfo):  Remove orig_drs_init
3710         parameter and its use to reset DR_OFFSET's.
3711         (vect_transform_loop): Remove orig_drs_init argument.
3712         * tree-vect-loop-manip.c (vect_update_init_of_dr): Update the offset
3713         member of dr_vec_info rather than the offset of the associated
3714         data_reference's innermost_loop_behavior.
3715         (vect_update_init_of_dr): Pass dr_vec_info instead of data_reference.
3716         (vect_do_peeling): Remove orig_drs_init parameter and its construction.
3717         * tree-vect-stmts.c (check_scan_store): Replace use of DR_OFFSET with
3718         get_dr_vinfo_offset.
3719         (vectorizable_store): Likewise.
3720         (vectorizable_load): Likewise.
3722 2020-01-10  Richard Biener  <rguenther@suse.de>
3724         * gimple-ssa-store-merging
3725         (pass_store_merging::terminate_all_aliasing_chains): Cache alias info.
3727 2020-01-10  Martin Liska  <mliska@suse.cz>
3729         PR ipa/93217
3730         * ipa-inline-analysis.c (offline_size): Make proper parenthesis
3731         encapsulation that was there before r280040.
3733 2020-01-10  Richard Biener  <rguenther@suse.de>
3735         PR middle-end/93199
3736         * tree-eh.c (sink_clobbers): Move clobbers to out-of-IL
3737         sequences to avoid walking them again for secondary opportunities.
3738         (pass_lower_eh_dispatch::execute): Instead actually insert
3739         them here.
3741 2020-01-10  Richard Biener  <rguenther@suse.de>
3743         PR middle-end/93199
3744         * tree-eh.c (redirect_eh_edge_1): Avoid some work if possible.
3745         (cleanup_all_empty_eh): Walk landing pads in reverse order to
3746         avoid quadraticness.
3748 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3750         * params.opt (param_ipa_sra_max_replacements): Mark as Optimization.
3751         * ipa-sra.c (pull_accesses_from_callee): New parameter caller, use it
3752         to get param_ipa_sra_max_replacements.
3753         (param_splitting_across_edge): Pass the caller to
3754         pull_accesses_from_callee.
3756 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3758         * params.opt (param_ipcp_unit_growth): Mark as Optimization.
3759         * ipa-cp.c (max_new_size): Removed.
3760         (orig_overall_size): New variable.
3761         (get_max_overall_size): New function.
3762         (estimate_local_effects): Use it.  Adjust dump.
3763         (decide_about_value): Likewise.
3764         (ipcp_propagate_stage): Do not calculate max_new_size, just store
3765         orig_overall_size.  Adjust dump.
3766         (ipa_cp_c_finalize): Clear orig_overall_size instead of max_new_size.
3768 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3770         * params.opt (param_ipa_max_agg_items): Mark as Optimization
3771         * ipa-cp.c (merge_agg_lats_step): New parameter max_agg_items, use
3772         instead of param_ipa_max_agg_items.
3773         (merge_aggregate_lattices): Extract param_ipa_max_agg_items from
3774         optimization info for the callee.
3776 2020-01-09  Kwok Cheung Yeung  <kcy@codesourcery.com>
3778         * lto-streamer-in.c (input_function): Remove streamed-in inline debug
3779         markers if debug_inline_points is false.
3781 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
3783         * config.gcc (aarch64*-*-*): Add aarch64-sve-builtins-sve2.o to
3784         extra_objs.
3785         * config/aarch64/t-aarch64 (aarch64-sve-builtins.o): Depend on
3786         aarch64-sve-builtins-base.def, aarch64-sve-builtins-sve2.def and
3787         aarch64-sve-builtins-sve2.h.
3788         (aarch64-sve-builtins-sve2.o): New rule.
3789         * config/aarch64/aarch64.h (AARCH64_ISA_SVE2_AES): New macro.
3790         (AARCH64_ISA_SVE2_BITPERM, AARCH64_ISA_SVE2_SHA3): Likewise.
3791         (AARCH64_ISA_SVE2_SM4, TARGET_SVE2_AES, TARGET_SVE2_BITPERM): Likewise.
3792         (TARGET_SVE2_SHA, TARGET_SVE2_SM4): Likewise.
3793         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
3794         TARGET_SVE2_AES, TARGET_SVE2_BITPERM, TARGET_SVE2_SHA3 and
3795         TARGET_SVE2_SM4.
3796         * config/aarch64/aarch64-sve.md: Update comments with SVE2
3797         instructions that are handled here.
3798         (@cond_asrd<mode>): Generalize to...
3799         (@cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>): ...this.
3800         (*cond_asrd<mode>_2): Generalize to...
3801         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_2): ...this.
3802         (*cond_asrd<mode>_z): Generalize to...
3803         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_z): ...this.
3804         * config/aarch64/aarch64.md (UNSPEC_LDNT1_GATHER): New unspec.
3805         (UNSPEC_STNT1_SCATTER, UNSPEC_WHILEGE, UNSPEC_WHILEGT): Likewise.
3806         (UNSPEC_WHILEHI, UNSPEC_WHILEHS): Likewise.
3807         * config/aarch64/aarch64-sve2.md (@aarch64_gather_ldnt<mode>): New
3808         pattern.
3809         (@aarch64_gather_ldnt_<ANY_EXTEND:optab><SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
3810         (@aarch64_scatter_stnt<mode>): Likewise.
3811         (@aarch64_scatter_stnt_<SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
3812         (@aarch64_mul_lane_<mode>): Likewise.
3813         (@aarch64_sve_suqadd<mode>_const): Likewise.
3814         (*<sur>h<addsub><mode>): Generalize to...
3815         (@aarch64_pred_<SVE2_COND_INT_BINARY_REV:sve_int_op><mode>): ...this
3816         new pattern.
3817         (@cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>): New expander.
3818         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_2): New pattern.
3819         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_3): Likewise.
3820         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_any): Likewise.
3821         (*cond_<SVE2_COND_INT_BINARY_NOREV:sve_int_op><mode>_z): Likewise.
3822         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op><mode>):: Likewise.
3823         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op>_lane_<mode>): Likewise.
3824         (@aarch64_pred_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): Likewise.
3825         (@cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): New expander.
3826         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_2): New pattern.
3827         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_3): Likewise.
3828         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_any): Likewise.
3829         (@aarch64_sve_<SVE2_INT_TERNARY:sve_int_op><mode>): Likewise.
3830         (@aarch64_sve_<SVE2_INT_TERNARY_LANE:sve_int_op>_lane_<mode>)
3831         (@aarch64_sve_add_mul_lane_<mode>): Likewise.
3832         (@aarch64_sve_sub_mul_lane_<mode>): Likewise.
3833         (@aarch64_sve2_xar<mode>): Likewise.
3834         (@aarch64_sve2_bcax<mode>): Likewise.
3835         (*aarch64_sve2_eor3<mode>): Rename to...
3836         (@aarch64_sve2_eor3<mode>): ...this.
3837         (@aarch64_sve2_bsl<mode>): New expander.
3838         (@aarch64_sve2_nbsl<mode>): Likewise.
3839         (@aarch64_sve2_bsl1n<mode>): Likewise.
3840         (@aarch64_sve2_bsl2n<mode>): Likewise.
3841         (@aarch64_sve_add_<SHIFTRT:sve_int_op><mode>): Likewise.
3842         (*aarch64_sve2_sra<mode>): Add MOVPRFX support.
3843         (@aarch64_sve_add_<VRSHR_N:sve_int_op><mode>): New pattern.
3844         (@aarch64_sve_<SVE2_INT_SHIFT_INSERT:sve_int_op><mode>): Likewise.
3845         (@aarch64_sve2_<USMAX:su>aba<mode>): New expander.
3846         (*aarch64_sve2_<USMAX:su>aba<mode>): New pattern.
3847         (@aarch64_sve_<SVE2_INT_BINARY_WIDE:sve_int_op><mode>): Likewise.
3848         (<su>mull<bt><Vwide>): Generalize to...
3849         (@aarch64_sve_<SVE2_INT_BINARY_LONG:sve_int_op><mode>): ...this new
3850         pattern.
3851         (@aarch64_sve_<SVE2_INT_BINARY_LONG_lANE:sve_int_op>_lane_<mode>)
3852         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_LONG:sve_int_op><mode>)
3853         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG:sve_int_op><mode>)
3854         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3855         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG:sve_int_op><mode>)
3856         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3857         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG:sve_int_op><mode>)
3858         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3859         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG:sve_int_op><mode>)
3860         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3861         (@aarch64_sve_<SVE2_FP_TERNARY_LONG:sve_fp_op><mode>): New patterns.
3862         (@aarch64_<SVE2_FP_TERNARY_LONG_LANE:sve_fp_op>_lane_<mode>)
3863         (@aarch64_sve_<SVE2_INT_UNARY_NARROWB:sve_int_op><mode>): Likewise.
3864         (@aarch64_sve_<SVE2_INT_UNARY_NARROWT:sve_int_op><mode>): Likewise.
3865         (@aarch64_sve_<SVE2_INT_BINARY_NARROWB:sve_int_op><mode>): Likewise.
3866         (@aarch64_sve_<SVE2_INT_BINARY_NARROWT:sve_int_op><mode>): Likewise.
3867         (<SHRNB:r>shrnb<mode>): Generalize to...
3868         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWB:sve_int_op><mode>): ...this
3869         new pattern.
3870         (<SHRNT:r>shrnt<mode>): Generalize to...
3871         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWT:sve_int_op><mode>): ...this
3872         new pattern.
3873         (@aarch64_pred_<SVE2_INT_BINARY_PAIR:sve_int_op><mode>): New pattern.
3874         (@aarch64_pred_<SVE2_FP_BINARY_PAIR:sve_fp_op><mode>): Likewise.
3875         (@cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>): New expander.
3876         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_2): New pattern.
3877         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_z): Likewise.
3878         (@aarch64_sve_<SVE2_INT_CADD:optab><mode>): Likewise.
3879         (@aarch64_sve_<SVE2_INT_CMLA:optab><mode>): Likewise.
3880         (@aarch64_<SVE2_INT_CMLA:optab>_lane_<mode>): Likewise.
3881         (@aarch64_sve_<SVE2_INT_CDOT:optab><mode>): Likewise.
3882         (@aarch64_<SVE2_INT_CDOT:optab>_lane_<mode>): Likewise.
3883         (@aarch64_pred_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): Likewise.
3884         (@cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New expander.
3885         (*cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New pattern.
3886         (@aarch64_sve2_cvtnt<mode>): Likewise.
3887         (@aarch64_pred_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): Likewise.
3888         (@cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): New expander.
3889         (*cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>_any): New pattern.
3890         (@aarch64_sve2_cvtxnt<mode>): Likewise.
3891         (@aarch64_pred_<SVE2_U32_UNARY:sve_int_op><mode>): Likewise.
3892         (@cond_<SVE2_U32_UNARY:sve_int_op><mode>): New expander.
3893         (*cond_<SVE2_U32_UNARY:sve_int_op><mode>): New pattern.
3894         (@aarch64_pred_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): Likewise.
3895         (@cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New expander.
3896         (*cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New pattern.
3897         (@aarch64_sve2_pmul<mode>): Likewise.
3898         (@aarch64_sve_<SVE2_PMULL:optab><mode>): Likewise.
3899         (@aarch64_sve_<SVE2_PMULL_PAIR:optab><mode>): Likewise.
3900         (@aarch64_sve2_tbl2<mode>): Likewise.
3901         (@aarch64_sve2_tbx<mode>): Likewise.
3902         (@aarch64_sve_<SVE2_INT_BITPERM:sve_int_op><mode>): Likewise.
3903         (@aarch64_sve2_histcnt<mode>): Likewise.
3904         (@aarch64_sve2_histseg<mode>): Likewise.
3905         (@aarch64_pred_<SVE2_MATCH:sve_int_op><mode>): Likewise.
3906         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_cc): Likewise.
3907         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_ptest): Likewise.
3908         (aarch64_sve2_aes<CRYPTO_AES:aes_op>): Likewise.
3909         (aarch64_sve2_aes<CRYPTO_AESMC:aesmc_op>): Likewise.
3910         (*aarch64_sve2_aese_fused, *aarch64_sve2_aesd_fused): Likewise.
3911         (aarch64_sve2_rax1, aarch64_sve2_sm4e, aarch64_sve2_sm4ekey): Likewise.
3912         (<su>mulh<r>s<mode>3): Update after above pattern name changes.
3913         * config/aarch64/iterators.md (VNx16QI_ONLY, VNx4SF_ONLY)
3914         (SVE_STRUCT2, SVE_FULL_BHI, SVE_FULL_HSI, SVE_FULL_HDI)
3915         (SVE2_PMULL_PAIR_I): New mode iterators.
3916         (UNSPEC_ADCLB, UNSPEC_ADCLT, UNSPEC_ADDHNB, UNSPEC_ADDHNT, UNSPEC_BDEP)
3917         (UNSPEC_BEXT, UNSPEC_BGRP, UNSPEC_CADD90, UNSPEC_CADD270, UNSPEC_CDOT)
3918         (UNSPEC_CDOT90, UNSPEC_CDOT180, UNSPEC_CDOT270, UNSPEC_CMLA)
3919         (UNSPEC_CMLA90, UNSPEC_CMLA180, UNSPEC_CMLA270, UNSPEC_COND_FCVTLT)
3920         (UNSPEC_COND_FCVTNT, UNSPEC_COND_FCVTX, UNSPEC_COND_FCVTXNT)
3921         (UNSPEC_COND_FLOGB, UNSPEC_EORBT, UNSPEC_EORTB, UNSPEC_FADDP)
3922         (UNSPEC_FMAXP, UNSPEC_FMAXNMP, UNSPEC_FMLALB, UNSPEC_FMLALT)
3923         (UNSPEC_FMLSLB, UNSPEC_FMLSLT, UNSPEC_FMINP, UNSPEC_FMINNMP)
3924         (UNSPEC_HISTCNT, UNSPEC_HISTSEG, UNSPEC_MATCH, UNSPEC_NMATCH)
3925         (UNSPEC_PMULLB, UNSPEC_PMULLB_PAIR, UNSPEC_PMULLT, UNSPEC_PMULLT_PAIR)
3926         (UNSPEC_RADDHNB, UNSPEC_RADDHNT, UNSPEC_RSUBHNB, UNSPEC_RSUBHNT)
3927         (UNSPEC_SLI, UNSPEC_SRI, UNSPEC_SABDLB, UNSPEC_SABDLT, UNSPEC_SADDLB)
3928         (UNSPEC_SADDLBT, UNSPEC_SADDLT, UNSPEC_SADDWB, UNSPEC_SADDWT)
3929         (UNSPEC_SBCLB, UNSPEC_SBCLT, UNSPEC_SMAXP, UNSPEC_SMINP)
3930         (UNSPEC_SQCADD90, UNSPEC_SQCADD270, UNSPEC_SQDMULLB, UNSPEC_SQDMULLBT)
3931         (UNSPEC_SQDMULLT, UNSPEC_SQRDCMLAH, UNSPEC_SQRDCMLAH90)
3932         (UNSPEC_SQRDCMLAH180, UNSPEC_SQRDCMLAH270, UNSPEC_SQRSHRNB)
3933         (UNSPEC_SQRSHRNT, UNSPEC_SQRSHRUNB, UNSPEC_SQRSHRUNT, UNSPEC_SQSHRNB)
3934         (UNSPEC_SQSHRNT, UNSPEC_SQSHRUNB, UNSPEC_SQSHRUNT, UNSPEC_SQXTNB)
3935         (UNSPEC_SQXTNT, UNSPEC_SQXTUNB, UNSPEC_SQXTUNT, UNSPEC_SSHLLB)
3936         (UNSPEC_SSHLLT, UNSPEC_SSUBLB, UNSPEC_SSUBLBT, UNSPEC_SSUBLT)
3937         (UNSPEC_SSUBLTB, UNSPEC_SSUBWB, UNSPEC_SSUBWT, UNSPEC_SUBHNB)
3938         (UNSPEC_SUBHNT, UNSPEC_TBL2, UNSPEC_UABDLB, UNSPEC_UABDLT)
3939         (UNSPEC_UADDLB, UNSPEC_UADDLT, UNSPEC_UADDWB, UNSPEC_UADDWT)
3940         (UNSPEC_UMAXP, UNSPEC_UMINP, UNSPEC_UQRSHRNB, UNSPEC_UQRSHRNT)
3941         (UNSPEC_UQSHRNB, UNSPEC_UQSHRNT, UNSPEC_UQXTNB, UNSPEC_UQXTNT)
3942         (UNSPEC_USHLLB, UNSPEC_USHLLT, UNSPEC_USUBLB, UNSPEC_USUBLT)
3943         (UNSPEC_USUBWB, UNSPEC_USUBWT): New unspecs.
3944         (UNSPEC_SMULLB, UNSPEC_SMULLT, UNSPEC_UMULLB, UNSPEC_UMULLT)
3945         (UNSPEC_SMULHS, UNSPEC_SMULHRS, UNSPEC_UMULHS, UNSPEC_UMULHRS)
3946         (UNSPEC_RSHRNB, UNSPEC_RSHRNT, UNSPEC_SHRNB, UNSPEC_SHRNT): Move
3947         further down file.
3948         (VNARROW, Ventype): New mode attributes.
3949         (Vewtype): Handle VNx2DI.  Fix typo in comment.
3950         (VDOUBLE): New mode attribute.
3951         (sve_lane_con): Handle VNx8HI.
3952         (SVE_INT_UNARY): Include ss_abs and ss_neg for TARGET_SVE2.
3953         (SVE_INT_BINARY): Likewise ss_plus, us_plus, ss_minus and us_minus.
3954         (sve_int_op, sve_int_op_rev): Handle the above codes.
3955         (sve_pred_int_rhs2_operand): Likewise.
3956         (MULLBT, SHRNB, SHRNT): Delete.
3957         (SVE_INT_SHIFT_IMM): New int iterator.
3958         (SVE_WHILE): Add UNSPEC_WHILEGE, UNSPEC_WHILEGT, UNSPEC_WHILEHI
3959         and UNSPEC_WHILEHS for TARGET_SVE2.
3960         (SVE2_U32_UNARY, SVE2_INT_UNARY_NARROWB, SVE2_INT_UNARY_NARROWT)
3961         (SVE2_INT_BINARY, SVE2_INT_BINARY_LANE, SVE2_INT_BINARY_LONG)
3962         (SVE2_INT_BINARY_LONG_LANE, SVE2_INT_BINARY_NARROWB)
3963         (SVE2_INT_BINARY_NARROWT, SVE2_INT_BINARY_PAIR, SVE2_FP_BINARY_PAIR)
3964         (SVE2_INT_BINARY_PAIR_LONG, SVE2_INT_BINARY_WIDE): New int iterators.
3965         (SVE2_INT_SHIFT_IMM_LONG, SVE2_INT_SHIFT_IMM_NARROWB): Likewise.
3966         (SVE2_INT_SHIFT_IMM_NARROWT, SVE2_INT_SHIFT_INSERT, SVE2_INT_CADD)
3967         (SVE2_INT_BITPERM, SVE2_INT_TERNARY, SVE2_INT_TERNARY_LANE): Likewise.
3968         (SVE2_FP_TERNARY_LONG, SVE2_FP_TERNARY_LONG_LANE, SVE2_INT_CMLA)
3969         (SVE2_INT_CDOT, SVE2_INT_ADD_BINARY_LONG, SVE2_INT_QADD_BINARY_LONG)
3970         (SVE2_INT_SUB_BINARY_LONG, SVE2_INT_QSUB_BINARY_LONG): Likewise.
3971         (SVE2_INT_ADD_BINARY_LONG_LANE, SVE2_INT_QADD_BINARY_LONG_LANE)
3972         (SVE2_INT_SUB_BINARY_LONG_LANE, SVE2_INT_QSUB_BINARY_LONG_LANE)
3973         (SVE2_COND_INT_UNARY_FP, SVE2_COND_FP_UNARY_LONG): Likewise.
3974         (SVE2_COND_FP_UNARY_NARROWB, SVE2_COND_INT_BINARY): Likewise.
3975         (SVE2_COND_INT_BINARY_NOREV, SVE2_COND_INT_BINARY_REV): Likewise.
3976         (SVE2_COND_INT_SHIFT, SVE2_MATCH, SVE2_PMULL): Likewise.
3977         (optab): Handle the new unspecs.
3978         (su, r): Remove entries for UNSPEC_SHRNB, UNSPEC_SHRNT, UNSPEC_RSHRNB
3979         and UNSPEC_RSHRNT.
3980         (lr): Handle the new unspecs.
3981         (bt): Delete.
3982         (cmp_op, while_optab_cmp, sve_int_op): Handle the new unspecs.
3983         (sve_int_op_rev, sve_int_add_op, sve_int_qadd_op, sve_int_sub_op)
3984         (sve_int_qsub_op): New int attributes.
3985         (sve_fp_op, rot): Handle the new unspecs.
3986         * config/aarch64/aarch64-sve-builtins.h
3987         (function_resolver::require_matching_pointer_type): Declare.
3988         (function_resolver::resolve_unary): Add an optional boolean argument.
3989         (function_resolver::finish_opt_n_resolution): Add an optional
3990         type_suffix_index argument.
3991         (gimple_folder::redirect_call): Declare.
3992         (gimple_expander::prepare_gather_address_operands): Add an optional
3993         bool parameter.
3994         * config/aarch64/aarch64-sve-builtins.cc: Include
3995         aarch64-sve-builtins-sve2.h.
3996         (TYPES_b_unsigned, TYPES_b_integer, TYPES_bh_integer): New macros.
3997         (TYPES_bs_unsigned, TYPES_hs_signed, TYPES_hs_integer): Likewise.
3998         (TYPES_hd_unsigned, TYPES_hsd_signed): Likewise.
3999         (TYPES_hsd_integer): Use TYPES_hsd_signed.
4000         (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): New macros.
4001         (TYPES_s_unsigned): Likewise.
4002         (TYPES_s_integer): Use TYPES_s_unsigned.
4003         (TYPES_sd_signed, TYPES_sd_unsigned): New macros.
4004         (TYPES_sd_integer): Use them.
4005         (TYPES_d_unsigned): New macro.
4006         (TYPES_d_integer): Use it.
4007         (TYPES_d_data, TYPES_cvt_long, TYPES_cvt_narrow_s): New macros.
4008         (TYPES_cvt_narrow): Likewise.
4009         (DEF_SVE_TYPES_ARRAY): Include the new types macros above.
4010         (preds_mx): New variable.
4011         (function_builder::add_overloaded_function): Allow the new feature
4012         set to be more restrictive than the original one.
4013         (function_resolver::infer_pointer_type): Remove qualifiers from
4014         the pointer type before printing it.
4015         (function_resolver::require_matching_pointer_type): New function.
4016         (function_resolver::resolve_sv_displacement): Handle functions
4017         that don't support 32-bit vector indices or svint32_t vector offsets.
4018         (function_resolver::finish_opt_n_resolution): Take the inferred type
4019         as a separate argument.
4020         (function_resolver::resolve_unary): Optionally treat all forms in
4021         the same way as normal merging functions.
4022         (gimple_folder::redirect_call): New function.
4023         (function_expander::prepare_gather_address_operands): Add an argument
4024         that says whether scaled forms are available.  If they aren't,
4025         handle scaling of vector indices and don't add the extension and
4026         scaling operands.
4027         (function_expander::map_to_unspecs): If aarch64_sve isn't available,
4028         fall back to using cond_* instead.
4029         * config/aarch64/aarch64-sve-builtins-functions.h (rtx_code_function):
4030         Split out the member variables into...
4031         (rtx_code_function_base): ...this new base class.
4032         (rtx_code_function_rotated): Inherit rtx_code_function_base.
4033         (unspec_based_function): Split out the member variables into...
4034         (unspec_based_function_base): ...this new base class.
4035         (unspec_based_function_rotated): Inherit unspec_based_function_base.
4036         (unspec_based_function_exact_insn): New class.
4037         (unspec_based_add_function, unspec_based_add_lane_function)
4038         (unspec_based_lane_function, unspec_based_pred_function)
4039         (unspec_based_qadd_function, unspec_based_qadd_lane_function)
4040         (unspec_based_qsub_function, unspec_based_qsub_lane_function)
4041         (unspec_based_sub_function, unspec_based_sub_lane_function): New
4042         typedefs.
4043         (unspec_based_fused_function): New class.
4044         (unspec_based_mla_function, unspec_based_mls_function): New typedefs.
4045         (unspec_based_fused_lane_function): New class.
4046         (unspec_based_mla_lane_function, unspec_based_mls_lane_function): New
4047         typedefs.
4048         (CODE_FOR_MODE1): New macro.
4049         (fixed_insn_function): New class.
4050         (while_comparison): Likewise.
4051         * config/aarch64/aarch64-sve-builtins-shapes.h (binary_long_lane)
4052         (binary_long_opt_n, binary_narrowb_opt_n, binary_narrowt_opt_n)
4053         (binary_to_uint, binary_wide, binary_wide_opt_n, compare, compare_ptr)
4054         (load_ext_gather_index_restricted, load_ext_gather_offset_restricted)
4055         (load_gather_sv_restricted, shift_left_imm_long): Declare.
4056         (shift_left_imm_to_uint, shift_right_imm_narrowb): Likewise.
4057         (shift_right_imm_narrowt, shift_right_imm_narrowb_to_uint): Likewise.
4058         (shift_right_imm_narrowt_to_uint, store_scatter_index_restricted)
4059         (store_scatter_offset_restricted, tbl_tuple, ternary_long_lane)
4060         (ternary_long_opt_n, ternary_qq_lane_rotate, ternary_qq_rotate)
4061         (ternary_shift_left_imm, ternary_shift_right_imm, ternary_uint)
4062         (unary_convert_narrowt, unary_long, unary_narrowb, unary_narrowt)
4063         (unary_narrowb_to_uint, unary_narrowt_to_uint, unary_to_int): Likewise.
4064         * config/aarch64/aarch64-sve-builtins-shapes.cc (apply_predication):
4065         Also add an initial argument for unary_convert_narrowt, regardless
4066         of the predication type.
4067         (build_32_64): Allow loads and stores to specify MODE_none.
4068         (build_sv_index64, build_sv_uint_offset): New functions.
4069         (long_type_suffix): New function.
4070         (binary_imm_narrowb_base, binary_imm_narrowt_base): New classes.
4071         (binary_imm_long_base, load_gather_sv_base): Likewise.
4072         (shift_right_imm_narrow_wrapper, ternary_shift_imm_base): Likewise.
4073         (ternary_resize2_opt_n_base, ternary_resize2_lane_base): Likewise.
4074         (unary_narrowb_base, unary_narrowt_base): Likewise.
4075         (binary_long_lane_def, binary_long_lane): New shape.
4076         (binary_long_opt_n_def, binary_long_opt_n): Likewise.
4077         (binary_narrowb_opt_n_def, binary_narrowb_opt_n): Likewise.
4078         (binary_narrowt_opt_n_def, binary_narrowt_opt_n): Likewise.
4079         (binary_to_uint_def, binary_to_uint): Likewise.
4080         (binary_wide_def, binary_wide): Likewise.
4081         (binary_wide_opt_n_def, binary_wide_opt_n): Likewise.
4082         (compare_def, compare): Likewise.
4083         (compare_ptr_def, compare_ptr): Likewise.
4084         (load_ext_gather_index_restricted_def,
4085         load_ext_gather_index_restricted): Likewise.
4086         (load_ext_gather_offset_restricted_def,
4087         load_ext_gather_offset_restricted): Likewise.
4088         (load_gather_sv_def): Inherit from load_gather_sv_base.
4089         (load_gather_sv_restricted_def, load_gather_sv_restricted): New shape.
4090         (shift_left_imm_def, shift_left_imm): Likewise.
4091         (shift_left_imm_long_def, shift_left_imm_long): Likewise.
4092         (shift_left_imm_to_uint_def, shift_left_imm_to_uint): Likewise.
4093         (store_scatter_index_restricted_def,
4094         store_scatter_index_restricted): Likewise.
4095         (store_scatter_offset_restricted_def,
4096         store_scatter_offset_restricted): Likewise.
4097         (tbl_tuple_def, tbl_tuple): Likewise.
4098         (ternary_long_lane_def, ternary_long_lane): Likewise.
4099         (ternary_long_opt_n_def, ternary_long_opt_n): Likewise.
4100         (ternary_qq_lane_def): Inherit from ternary_resize2_lane_base.
4101         (ternary_qq_lane_rotate_def, ternary_qq_lane_rotate): New shape
4102         (ternary_qq_opt_n_def): Inherit from ternary_resize2_opt_n_base.
4103         (ternary_qq_rotate_def, ternary_qq_rotate): New shape.
4104         (ternary_shift_left_imm_def, ternary_shift_left_imm): Likewise.
4105         (ternary_shift_right_imm_def, ternary_shift_right_imm): Likewise.
4106         (ternary_uint_def, ternary_uint): Likewise.
4107         (unary_convert): Fix typo in comment.
4108         (unary_convert_narrowt_def, unary_convert_narrowt): New shape.
4109         (unary_long_def, unary_long): Likewise.
4110         (unary_narrowb_def, unary_narrowb): Likewise.
4111         (unary_narrowt_def, unary_narrowt): Likewise.
4112         (unary_narrowb_to_uint_def, unary_narrowb_to_uint): Likewise.
4113         (unary_narrowt_to_uint_def, unary_narrowt_to_uint): Likewise.
4114         (unary_to_int_def, unary_to_int): Likewise.
4115         * config/aarch64/aarch64-sve-builtins-base.cc (unspec_cmla)
4116         (unspec_fcmla, unspec_cond_fcmla, expand_mla_mls_lane): New functions.
4117         (svasrd_impl): Delete.
4118         (svcadd_impl::expand): Handle integer operations too.
4119         (svcmla_impl::expand, svcmla_lane::expand): Likewise, using the
4120         new functions to derive the unspec numbers.
4121         (svmla_svmls_lane_impl): Replace with...
4122         (svmla_lane_impl, svmls_lane_impl): ...these new classes.  Handle
4123         integer operations too.
4124         (svwhile_impl): Rename to...
4125         (svwhilelx_impl): ...this and inherit from while_comparison.
4126         (svasrd): Use unspec_based_function.
4127         (svmla_lane): Use svmla_lane_impl.
4128         (svmls_lane): Use svmls_lane_impl.
4129         (svrecpe, svrsqrte): Handle unsigned integer operations too.
4130         (svwhilele, svwhilelt): Use svwhilelx_impl.
4131         * config/aarch64/aarch64-sve-builtins-sve2.h: New file.
4132         * config/aarch64/aarch64-sve-builtins-sve2.cc: Likewise.
4133         * config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
4134         * config/aarch64/aarch64-sve-builtins.def: Include
4135         aarch64-sve-builtins-sve2.def.
4137 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4139         * config/aarch64/aarch64-protos.h (aarch64_sve_arith_immediate_p)
4140         (aarch64_sve_sqadd_sqsub_immediate_p): Add a machine_mode argument.
4141         * config/aarch64/aarch64.c (aarch64_sve_arith_immediate_p)
4142         (aarch64_sve_sqadd_sqsub_immediate_p): Likewise.  Handle scalar
4143         immediates as well as vector ones.
4144         * config/aarch64/predicates.md (aarch64_sve_arith_immediate)
4145         (aarch64_sve_sub_arith_immediate, aarch64_sve_qadd_immediate)
4146         (aarch64_sve_qsub_immediate): Update calls accordingly.
4148 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4150         * config/aarch64/aarch64-sve2.md: Add banner comments.
4151         (<su>mulh<r>s<mode>3): Move further up file.
4152         (<su>mull<bt><Vwide>, <r>shrnb<mode>, <r>shrnt<mode>)
4153         (*aarch64_sve2_sra<mode>): Move further down file.
4154         * config/aarch64/t-aarch64 (s-check-sve-md): Check aarch64-sve2.md too.
4156 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4158         * config/aarch64/iterators.md (SVE_WHILE): Add UNSPEC_WHILERW
4159         and UNSPEC_WHILEWR.
4160         (while_optab_cmp): Handle them.
4161         * config/aarch64/aarch64-sve.md
4162         (*while_<while_optab_cmp><GPI:mode><PRED_ALL:mode>_ptest): Make public
4163         and add a "@" marker.
4164         * config/aarch64/aarch64-sve2.md (check_<raw_war>_ptrs<mode>): Use it
4165         instead of gen_aarch64_sve2_while_ptest.
4166         (@aarch64_sve2_while<cmp_op><GPI:mode><PRED_ALL:mode>_ptest): Delete.
4168 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4170         * config/aarch64/aarch64.md (UNSPEC_WHILE_LE): Rename to...
4171         (UNSPEC_WHILELE): ...this.
4172         (UNSPEC_WHILE_LO): Rename to...
4173         (UNSPEC_WHILELO): ...this.
4174         (UNSPEC_WHILE_LS): Rename to...
4175         (UNSPEC_WHILELS): ...this.
4176         (UNSPEC_WHILE_LT): Rename to...
4177         (UNSPEC_WHILELT): ...this.
4178         * config/aarch64/iterators.md (SVE_WHILE): Update accordingly.
4179         (cmp_op, while_optab_cmp): Likewise.
4180         * config/aarch64/aarch64.c (aarch64_sve_move_pred_via_while): Likewise.
4181         * config/aarch64/aarch64-sve-builtins-base.cc (svwhilele): Likewise.
4182         (svwhilelt): Likewise.
4184 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4186         * config/aarch64/aarch64-sve-builtins-shapes.h (unary_count): Delete.
4187         (unary_to_uint): Define.
4188         * config/aarch64/aarch64-sve-builtins-shapes.cc (unary_count_def)
4189         (unary_count): Rename to...
4190         (unary_to_uint_def, unary_to_uint): ...this.
4191         * config/aarch64/aarch64-sve-builtins-base.def: Update accordingly.
4193 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4195         * config/aarch64/aarch64-sve-builtins-functions.h
4196         (code_for_mode_function): New class.
4197         (CODE_FOR_MODE0, QUIET_CODE_FOR_MODE0): New macros.
4198         * config/aarch64/aarch64-sve-builtins-base.cc (svcompact_impl)
4199         (svext_impl, svmul_lane_impl, svsplice_impl, svtmad_impl): Delete.
4200         (svcompact, svext, svsplice): Use QUIET_CODE_FOR_MODE0.
4201         (svmul_lane, svtmad): Use CODE_FOR_MODE0.
4203 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4205         * config/aarch64/iterators.md (addsub): New code attribute.
4206         * config/aarch64/aarch64-simd.md (aarch64_<su_optab><optab><mode>):
4207         Re-express as...
4208         (aarch64_<su_optab>q<addsub><mode>): ...this, making the same change
4209         in the asm string and attributes.  Fix indentation.
4210         * config/aarch64/aarch64-sve.md (@aarch64_<su_optab><optab><mode>):
4211         Re-express as...
4212         (@aarch64_sve_<optab><mode>): ...this.
4213         * config/aarch64/aarch64-sve-builtins.h
4214         (function_expander::expand_signed_unpred_op): Delete.
4215         * config/aarch64/aarch64-sve-builtins.cc
4216         (function_expander::expand_signed_unpred_op): Likewise.
4217         (function_expander::map_to_rtx_codes): If the optab isn't defined,
4218         try using code_for_aarch64_sve instead.
4219         * config/aarch64/aarch64-sve-builtins-base.cc (svqadd_impl): Delete.
4220         (svqsub_impl): Likewise.
4221         (svqadd, svqsub): Use rtx_code_function instead.
4223 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4225         * config/aarch64/iterators.md (SRHSUB, URHSUB): Delete.
4226         (HADDSUB, sur, addsub): Remove them.
4228 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4230         * tree-nrv.c (pass_return_slot::execute): Handle all internal
4231         functions the same way, rather than singling out those that
4232         aren't mapped directly to optabs.
4234 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4236         * target.def (compatible_vector_types_p): New target hook.
4237         * hooks.h (hook_bool_const_tree_const_tree_true): Declare.
4238         * hooks.c (hook_bool_const_tree_const_tree_true): New function.
4239         * doc/tm.texi.in (TARGET_COMPATIBLE_VECTOR_TYPES_P): New hook.
4240         * doc/tm.texi: Regenerate.
4241         * gimple-expr.c: Include target.h.
4242         (useless_type_conversion_p): Use targetm.compatible_vector_types_p.
4243         * config/aarch64/aarch64.c (aarch64_compatible_vector_types_p): New
4244         function.
4245         (TARGET_COMPATIBLE_VECTOR_TYPES_P): Define.
4246         * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::convert_pred):
4247         Use the original predicate if it already has a suitable type.
4249 2020-01-09  Martin Jambor  <mjambor@suse.cz>
4251         * cgraph.h (cgraph_edge): Make remove, set_call_stmt, make_direct,
4252         resolve_speculation and redirect_call_stmt_to_callee static.  Change
4253         return type of set_call_stmt to cgraph_edge *.
4254         * auto-profile.c (afdo_indirect_call): Adjust call to
4255         redirect_call_stmt_to_callee.
4256         * cgraph.c (cgraph_edge::set_call_stmt): Make return cgraph-edge *,
4257         make the this pointer explicit, adjust self-recursive calls and the
4258         call top make_direct.  Return the resulting edge.
4259         (cgraph_edge::remove): Make this pointer explicit.
4260         (cgraph_edge::resolve_speculation): Likewise, adjust call to remove.
4261         (cgraph_edge::make_direct): Likewise, adjust call to
4262         resolve_speculation.
4263         (cgraph_edge::redirect_call_stmt_to_callee): Likewise, also adjust
4264         call to set_call_stmt.
4265         (cgraph_update_edges_for_call_stmt_node): Update call to
4266         set_call_stmt and remove.
4267         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
4268         Renamed edge to master_edge.  Adjusted calls to set_call_stmt.
4269         (cgraph_node::create_edge_including_clones): Moved "first" definition
4270         of edge to the block where it was used.  Adjusted calls to
4271         set_call_stmt.
4272         (cgraph_node::remove_symbol_and_inline_clones): Adjust call to
4273         cgraph_edge::remove.
4274         * cgraphunit.c (walk_polymorphic_call_targets): Adjusted calls to
4275         make_direct and redirect_call_stmt_to_callee.
4276         * ipa-fnsummary.c (redirect_to_unreachable): Adjust calls to
4277         resolve_speculation and make_direct.
4278         * ipa-inline-transform.c (inline_transform): Adjust call to
4279         redirect_call_stmt_to_callee.
4280         (check_speculations_1):: Adjust call to resolve_speculation.
4281         * ipa-inline.c (resolve_noninline_speculation): Adjust call to
4282         resolve-speculation.
4283         (inline_small_functions): Adjust call to resolve_speculation.
4284         (ipa_inline): Likewise.
4285         * ipa-prop.c (ipa_make_edge_direct_to_target): Adjust call to
4286         make_direct.
4287         * ipa-visibility.c (function_and_variable_visibility): Make iteration
4288         safe with regards to edge removal, adjust calls to
4289         redirect_call_stmt_to_callee.
4290         * ipa.c (walk_polymorphic_call_targets): Adjust calls to make_direct
4291         and redirect_call_stmt_to_callee.
4292         * multiple_target.c (create_dispatcher_calls): Adjust call to
4293         redirect_call_stmt_to_callee
4294         (redirect_to_specific_clone): Likewise.
4295         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
4296         Adjust calls to cgraph_edge::remove.
4297         * tree-inline.c (copy_bb): Adjust call to set_call_stmt.
4298         (redirect_all_calls): Adjust call to redirect_call_stmt_to_callee.
4299         (expand_call_inline): Adjust call to cgraph_edge::remove.
4301 2020-01-09  Martin Liska  <mliska@suse.cz>
4303         * params.opt: Set Optimization for
4304         param_max_speculative_devirt_maydefs.
4306 2020-01-09  Martin Sebor  <msebor@redhat.com>
4308         PR middle-end/93200
4309         PR fortran/92956
4310         * builtins.c (compute_objsize): Avoid handling MEM_REFs of vector type.
4312 2020-01-09  Martin Liska  <mliska@suse.cz>
4314         * auto-profile.c (auto_profile): Use opt_for_fn
4315         for a parameter.
4316         * ipa-cp.c (ipcp_lattice::add_value): Likewise.
4317         (propagate_vals_across_arith_jfunc): Likewise.
4318         (hint_time_bonus): Likewise.
4319         (incorporate_penalties): Likewise.
4320         (good_cloning_opportunity_p): Likewise.
4321         (perform_estimation_of_a_value): Likewise.
4322         (estimate_local_effects): Likewise.
4323         (ipcp_propagate_stage): Likewise.
4324         * ipa-fnsummary.c (decompose_param_expr): Likewise.
4325         (set_switch_stmt_execution_predicate): Likewise.
4326         (analyze_function_body): Likewise.
4327         * ipa-inline-analysis.c (offline_size): Likewise.
4328         * ipa-inline.c (early_inliner): Likewise.
4329         * ipa-prop.c (ipa_analyze_node): Likewise.
4330         (ipcp_transform_function): Likewise.
4331         * ipa-sra.c (process_scan_results): Likewise.
4332         (ipa_sra_summarize_function): Likewise.
4333         * params.opt: Rename ipcp-unit-growth to
4334         ipa-cp-unit-growth.  Add Optimization for various
4335         IPA-related parameters.
4337 2020-01-09  Richard Biener  <rguenther@suse.de>
4339         PR middle-end/93054
4340         * gimplify.c (gimplify_expr): Deal with NOP definitions.
4342 2020-01-09  Richard Biener  <rguenther@suse.de>
4344         PR tree-optimization/93040
4345         * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.
4347 2020-01-09  Georg-Johann Lay  <avr@gjlay.de>
4349         * common/config/avr/avr-common.c (avr_option_optimization_table)
4350         [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.
4352 2020-01-09  Martin Liska  <mliska@suse.cz>
4354         * cgraphclones.c (symbol_table::materialize_all_clones):
4355         Use cgraph_node::dump_name.
4357 2020-01-09  Jakub Jelinek  <jakub@redhat.com>
4359         PR inline-asm/93202
4360         * config/riscv/riscv.c (riscv_print_operand_reloc): Use
4361         output_operand_lossage instead of gcc_unreachable.
4362         * doc/md.texi (riscv f constraint): Fix typo.
4364         PR target/93141
4365         * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
4366         SWI.  Use <general_hilo_operand> instead of <general_operand>.  Use
4367         CONST_SCALAR_INT_P instead of CONST_INT_P.
4368         (*subv<mode>4_1): Rename to ...
4369         (subv<mode>4_1): ... this.
4370         (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4371         define_insn_and_split patterns.
4372         (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4373         patterns.
4375 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4377         * vec.c (class selftest::count_dtor): New class.
4378         (selftest::test_auto_delete_vec): New test.
4379         (selftest::vec_c_tests): Call it.
4380         * vec.h (class auto_delete_vec): New class template.
4381         (auto_delete_vec<T>::~auto_delete_vec): New dtor.
4383 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4385         * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
4387 2020-01-08  Jim Wilson  <jimw@sifive.com>
4389         * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
4390         use of TLS_MODEL_LOCAL_EXEC when not pic.
4392 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4394         * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
4395         memory leak.
4397 2020-01-08  Jakub Jelinek  <jakub@redhat.com>
4399         PR target/93187
4400         * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
4401         *stack_protect_set_3 peephole2): Also check that the second
4402         insns source is general_operand.
4404         PR target/93174
4405         * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
4406         predicate for output operand instead of register_operand.
4407         (addcarry<mode>, addcarry<mode>_1): Likewise.  Add alternative with
4408         memory destination and non-memory operands[2].
4410 2020-01-08  Martin Liska  <mliska@suse.cz>
4412         * cgraph.c (cgraph_node::dump): Use ::dump_name or
4413         ::dump_asm_name instead of (::name or ::asm_name).
4414         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
4415         * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
4416         (analyze_functions): Likewise.
4417         (expand_all_functions): Likewise.
4418         * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
4419         (propagate_bits_across_jump_function): Likewise.
4420         (dump_profile_updates): Likewise.
4421         (ipcp_store_bits_results): Likewise.
4422         (ipcp_store_vr_results): Likewise.
4423         * ipa-devirt.c (dump_targets): Likewise.
4424         * ipa-fnsummary.c (analyze_function_body): Likewise.
4425         * ipa-hsa.c (check_warn_node_versionable): Likewise.
4426         (process_hsa_functions): Likewise.
4427         * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
4428         (set_alias_uids): Likewise.
4429         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4430         * ipa-inline.c (recursive_inlining): Likewise.
4431         (inline_to_all_callers_1): Likewise.
4432         (ipa_inline): Likewise.
4433         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
4434         (ipa_propagate_frequency): Likewise.
4435         * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
4436         (remove_described_reference): Likewise.
4437         * ipa-pure-const.c (worse_state): Likewise.
4438         (check_retval_uses): Likewise.
4439         (analyze_function): Likewise.
4440         (propagate_pure_const): Likewise.
4441         (propagate_nothrow): Likewise.
4442         (dump_malloc_lattice): Likewise.
4443         (propagate_malloc): Likewise.
4444         (pass_local_pure_const::execute): Likewise.
4445         * ipa-visibility.c (optimize_weakref): Likewise.
4446         (function_and_variable_visibility): Likewise.
4447         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
4448         (ipa_discover_variable_flags): Likewise.
4449         * lto-streamer-out.c (output_function): Likewise.
4450         (output_constructor): Likewise.
4451         * tree-inline.c (copy_bb): Likewise.
4452         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4453         * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.
4455 2020-01-08  Richard Biener  <rguenther@suse.de>
4457         PR middle-end/93199
4458         * tree-eh.c (sink_clobbers): Update virtual operands for
4459         the first and last stmt only.  Add a dry-run capability.
4460         (pass_lower_eh_dispatch::execute): Perform clobber sinking
4461         after CFG manipulations and in RPO order to catch all
4462         secondary opportunities reliably.
4464 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4466         PR target/93182
4467         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4469 2019-01-08  Richard Biener  <rguenther@suse.de>
4471         PR middle-end/93199
4472         * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
4473         * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
4474         virtual operand, also updating SSA use.
4475         * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
4476         Update stmt after resetting virtual operand.
4477         (tree_loop_interchange::move_code_to_inner_loop): Likewise.
4478         * gimple-iterator.c (gsi_remove): When not removing the stmt
4479         permanently do not delink immediate uses or mark the stmt modified.
4481 2020-01-08  Martin Liska  <mliska@suse.cz>
4483         * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
4484         (ipa_call_context::estimate_size_and_time): Likewise.
4485         (inline_analyze_function): Likewise.
4487 2020-01-08  Martin Liska  <mliska@suse.cz>
4489         * cgraph.c (cgraph_node::dump): Use systematically
4490         dump_asm_name.
4492 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4494         Add -nodevicespecs option for avr.
4496         PR target/93182
4497         * config/avr/avr.opt (-nodevicespecs): New driver option.
4498         * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
4499         "-specs=device-specs/..." if that option is not set.
4500         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4502 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4504         Implement 64-bit double functions for avr.
4506         PR target/92055
4507         * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
4508         --with-double-comparison.
4509         * doc/install.texi: Document them.
4510         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
4511         <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
4512         <WITH_DOUBLE_COMPARISON>: New built-in defines.
4513         * doc/invoke.texi (AVR Built-in Macros): Document them.
4514         * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
4515         * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
4516         * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.
4518 2020-01-08  Richard Earnshaw  <rearnsha@arm.com>
4520         PR target/93188
4521         * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
4522         armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
4523         when only building rm-profile multilibs.
4525 2020-01-08  Feng Xue  <fxue@os.amperecomputing.com>
4527         PR ipa/93084
4528         * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
4529         lattice for a value to check.
4530         (propagate_vals_across_arith_jfunc): Add an assertion to ensure
4531         finite propagation in self-recursive scc.
4533 2020-01-08  Luo Xiong Hu  <luoxhu@linux.ibm.com>
4535         * ipa-inline.c (caller_growth_limits): Restore the AND.
4537 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
4539         * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
4540         (VEC_ALLREG_ALT): New iterator.
4541         (VEC_ALLREG_INT_MODE): New iterator.
4542         (VCMP_MODE): New iterator.
4543         (VCMP_MODE_INT): New iterator.
4544         (vec_cmpu<mode>di): Use VCMP_MODE_INT.
4545         (vec_cmp<u>v64qidi): New define_expand.
4546         (vec_cmp<mode>di_exec): Use VCMP_MODE.
4547         (vec_cmpu<mode>di_exec): New define_expand.
4548         (vec_cmp<u>v64qidi_exec): New define_expand.
4549         (vec_cmp<mode>di_dup): Use VCMP_MODE.
4550         (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
4551         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
4552         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
4553         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
4554         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
4555         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
4556         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
4557         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
4558         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
4559         this.
4560         * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
4561         * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.
4563 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
4565         * config/gcn/constraints.md (DA): Update description and match.
4566         (DB): Likewise.
4567         (Db): New constraint.
4568         * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
4569         parameter.
4570         * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
4571         Implement 'Db' mixed immediate type.
4572         * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
4573         (addcv64si3_dup<exec_vcc>): Delete.
4574         (subcv64si3<exec_vcc>): Rework constraints.
4575         (addv64di3): Rework constraints.
4576         (addv64di3_exec): Rework constraints.
4577         (subv64di3): Rework constraints.
4578         (addv64di3_dup): Delete.
4579         (addv64di3_dup_exec): Delete.
4580         (addv64di3_zext): Rework constraints.
4581         (addv64di3_zext_exec): Rework constraints.
4582         (addv64di3_zext_dup): Rework constraints.
4583         (addv64di3_zext_dup_exec): Rework constraints.
4584         (addv64di3_zext_dup2): Rework constraints.
4585         (addv64di3_zext_dup2_exec): Rework constraints.
4586         (addv64di3_sext_dup2): Rework constraints.
4587         (addv64di3_sext_dup2_exec): Rework constraints.
4589 2020-01-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4591         * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
4592         existing target checks.
4594 2020-01-07  Richard Biener  <rguenther@suse.de>
4596         * doc/install.texi: Bump minimal supported MPC version.
4598 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
4600         * langhooks-def.h (lhd_simulate_enum_decl): Declare.
4601         (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
4602         * langhooks.c: Include stor-layout.h.
4603         (lhd_simulate_enum_decl): New function.
4604         * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
4605         handle_arm_sve_h for the LTO frontend.
4606         (register_vector_type): Cope with null returns from pushdecl.
4608 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
4610         * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
4611         (aarch64_sve::nvectors_if_data_type): Replace with...
4612         (aarch64_sve::builtin_type_p): ...this.
4613         * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
4614         (find_vector_type): Delete.
4615         (add_sve_type_attribute): New function.
4616         (lookup_sve_type_attribute): Likewise.
4617         (register_builtin_types): Add an "SVE type" attribute to each type.
4618         (register_tuple_type): Likewise.
4619         (svbool_type_p, nvectors_if_data_type): Delete.
4620         (mangle_builtin_type): Use lookup_sve_type_attribute.
4621         (builtin_type_p): Likewise.  Add an overload that returns the
4622         number of constituent vector and predicate registers.
4623         * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
4624         (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
4625         instead of aarch64_sve_argument_p.
4626         (aarch64_takes_arguments_in_sve_regs_p): Likewise.
4627         (aarch64_pass_by_reference): Likewise.
4628         (aarch64_function_value_1): Likewise.
4629         (aarch64_return_in_memory): Likewise.
4630         (aarch64_layout_arg): Likewise.
4632 2020-01-07  Jakub Jelinek  <jakub@redhat.com>
4634         PR tree-optimization/93156
4635         * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
4636         least significant bit is always clear.
4638         PR tree-optimization/93118
4639         * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?.  Add new
4640         simplifier with two intermediate conversions.
4642 2020-01-07  Martin Liska  <mliska@suse.cz>
4644         * params.opt: Add Optimization for various parameters.
4646 2020-01-07  Martin Liska  <mliska@suse.cz>
4648         PR ipa/83411
4649         * doc/extend.texi: Explain cloning for target_clone
4650         attribute.
4652 2020-01-07  Martin Liska  <mliska@suse.cz>
4654         PR tree-optimization/92860
4655         * common.opt: Make in Optimization option
4656         as it is affected by -O0, which is an Optimization
4657         option.
4658         * tree-inline.c (tree_inlinable_function_p):
4659         Use opt_for_fn for warn_inline.
4660         (expand_call_inline): Likewise.
4662 2020-01-07  Martin Liska  <mliska@suse.cz>
4664         PR tree-optimization/92860
4665         * common.opt: Make flag_ree as optimization
4666         attribute. 
4668 2020-01-07  Martin Liska  <mliska@suse.cz>
4670         PR optimization/92860
4671         * params.opt: Mark param_min_crossjump_insns with Optimization
4672         keyword.
4674 2020-01-07  Luo Xiong Hu  <luoxhu@linux.ibm.com>
4676         * ipa-inline-analysis.c (estimate_growth): Fix typo.
4677         * ipa-inline.c (caller_growth_limits): Use OR instead of AND.
4679 2020-01-06  Michael Meissner  <meissner@linux.ibm.com>
4681         * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
4682         helper function to return the valid addressing formats for a given
4683         hard register and mode.
4684         (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.
4686         * config/rs6000/constraints.md (Q constraint): Update
4687         documentation.
4688         * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
4689         documentation.
4691         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
4692         Use 'Q' for doing vector extract from memory.
4693         (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
4694         memory.
4695         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
4696         doing vector extract from memory.
4697         (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
4698         extract from memory.
4700         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
4701         for the offset being 34-bits when -mcpu=future is used.
4703 2020-01-06  John David Anglin  <danglin@gcc.gnu.org>
4705         * config/pa/pa.md: Revert change to use ordered_comparison_operator
4706         instead of cmpib_comparison_operator in cmpib patterns.
4707         * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
4708         of cmpib_comparison_operator.  Revise comment.
4710 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4712         * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
4713         in an IFN_DIV_POW2 node to be equal.
4715 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4717         * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
4718         (vect_check_scalar_mask): ...this.
4719         (vectorizable_store, vectorizable_load): Update call accordingly.
4720         (vectorizable_call): Use vect_check_scalar_mask to check the mask
4721         argument in calls to conditional internal functions.
4723 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4725         * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
4726         '0' matching inputs.
4727         (subv64di3_exec): Likewise.
4729 2020-01-06  Bryan Stenson  <bryan@siliconvortex.com>
4731         * config/mips/mips.c (vr4130_align_insns): Fix typo.
4732         * doc/md.texi (movstr): Likewise.
4734 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4736         * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
4737         clobber.
4739 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4741         * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
4742         Depend on...
4743         (s-aarch64-tune-md): ...this new stamp file.  Pipe the new contents
4744         to a temporary file and use move-if-change to update the real
4745         file where necessary.
4747 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4749         * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
4750         rather than Upa for CPY /M.
4752 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4754         * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
4755         immediate.
4757 2020-01-06  Martin Liska  <mliska@suse.cz>
4759     PR tree-optimization/92860
4760     * params.opt: Mark param_max_combine_insns with Optimization
4761     keyword. 
4763 2020-01-05  Jakub Jelinek  <jakub@redhat.com>
4765         PR target/93141
4766         * config/i386/i386.md (SWIDWI): New mode iterator.
4767         (DWI, dwi): Add TImode variants.
4768         (addv<mode>4): Use SWIDWI iterator instead of SWI.  Use
4769         <general_hilo_operand> instead of <general_operand>.  Use
4770         CONST_SCALAR_INT_P instead of CONST_INT_P.
4771         (*addv<mode>4_1): Rename to ...
4772         (addv<mode>4_1): ... this.
4773         (QWI): New mode attribute.
4774         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4775         define_insn_and_split patterns.
4776         (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4777         patterns.
4778         (uaddv<mode>4): Use SWIDWI iterator instead of SWI.  Use
4779         <general_hilo_operand> instead of <general_operand>.
4780         (*addcarry<mode>_1): New define_insn.
4781         (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.
4783 2020-01-03  Konstantin Kharlamov  <Hi-Angel@yandex.ru>
4785         * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
4786         Use "call" instead of "set".
4788 2020-01-03  Martin Jambor  <mjambor@suse.cz>
4790         PR ipa/92917
4791         * ipa-cp.c (print_all_lattices): Skip functions without info.
4793 2020-01-03  Jakub Jelinek  <jakub@redhat.com>
4795         PR target/93089
4796         * config/i386/i386-options.c (ix86_simd_clone_adjust): If
4797         TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
4798         simd clones.  If TARGET_PREFER_AVX256, use prefer-vector-width=512
4799         for 'e' simd clones.
4801         PR target/93089
4802         * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
4803         entry.
4804         (mprefer-vector-width=): Add Save.
4805         * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
4806         -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
4807         (ix86_debug_options, ix86_function_specific_print): Adjust
4808         ix86_target_string callers.
4809         (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
4810         (ix86_valid_target_attribute_tree): Likewise.
4811         * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
4812         * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
4813         ix86_target_string caller.
4815         PR target/93110
4816         * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
4817         emitting ASHIFTRT, XOR and MINUS by hand.  Use gen_int_mode with QImode
4818         instead of gen_int_shift_amount + convert_modes.
4820         PR rtl-optimization/93088
4821         * loop-iv.c (find_single_def_src): Punt after looking through
4822         128 reg copies for regs with single definitions.  Move definitions
4823         to first uses.
4825 2020-01-02  Dennis Zhang  <dennis.zhang@arm.com>
4827         * config/arm/arm-c.c (arm_cpu_builtins): Define
4828         __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
4829         __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
4830         __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
4831         * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
4832         * config/arm/arm-tables.opt: Regenerated.
4833         * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
4834         arm_arch_i8mm and arm_arch_bf16 when enabled.
4835         * config/arm/arm.h (TARGET_I8MM): New macro.
4836         (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
4837         * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
4838         * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
4839         * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
4840         (v8_6_a_simd_variants): New.
4841         (v8_*_a_simd_variants): Add i8mm and bf16.
4842         * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
4844 2020-01-02  Jakub Jelinek  <jakub@redhat.com>
4846         PR ipa/93087
4847         * predict.c (compute_function_frequency): Don't call
4848         warn_function_cold on functions that already have cold attribute.
4850 2020-01-01  John David Anglin  <danglin@gcc.gnu.org>
4852         PR target/67834
4853         * config/pa/pa.c (pa_elf_select_rtx_section): New.  Put references to
4854         COMDAT group function labels in .data.rel.ro.local section.
4855         * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.
4857         PR target/93111
4858         * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
4859         comparison_operator in B and S integer comparisons.  Likewise, use
4860         ordered_comparison_operator instead of cmpib_comparison_operator in
4861         cmpib patterns.
4862         * config/pa/predicates.md (cmpib_comparison_operator): Remove.
4864 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
4866         Update copyright years.
4868         * gcc.c (process_command): Update copyright notice dates.
4869         * gcov-dump.c (print_version): Ditto.
4870         * gcov.c (print_version): Ditto.
4871         * gcov-tool.c (print_version): Ditto.
4872         * gengtype.c (create_file): Ditto.
4873         * doc/cpp.texi: Bump @copying's copyright year.
4874         * doc/cppinternals.texi: Ditto.
4875         * doc/gcc.texi: Ditto.
4876         * doc/gccint.texi: Ditto.
4877         * doc/gcov.texi: Ditto.
4878         * doc/install.texi: Ditto.
4879         * doc/invoke.texi: Ditto.
4881 2020-01-01  Jan Hubicka  <hubicka@ucw.cz>
4883         * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
4884         summary.
4886 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
4888         PR tree-optimization/93098
4889         * match.pd (popcount): For shift amounts, use integer_onep
4890         or wi::to_widest () == cst instead of tree_to_uhwi () == cst
4891         tests.  Make sure that precision is power of two larger than or equal
4892         to 16.  Ensure shift is never negative.  Use HOST_WIDE_INT_UC macro
4893         instead of ULL suffixed constants.  Formatting fixes.
4895 Copyright (C) 2020 Free Software Foundation, Inc.
4897 Copying and distribution of this file, with or without modification,
4898 are permitted in any medium without royalty provided the copyright
4899 notice and this notice are preserved.