Correct an attribute access example.
[gcc.git] / gcc / ChangeLog
1 2020-02-25 Martin Sebor <msebor@redhat.com>
2
3 * doc/extend.texi (attribute access): Correct an example.
4
5 2020-02-25 Mihail Ionescu <mihail.ionescu@arm.com>
6
7 * config/aarch64/aarch64-builtins.c (aarch64_scalar_builtin_types):
8 Add simd_bf.
9 (aarch64_init_simd_builtin_scalar_types): Register simd_bf.
10 (VAR15, VAR16): New.
11 * config/aarch64/iterators.md (VALLDIF): Enable for V4BF and V8BF.
12 (VD): Enable for V4BF.
13 (VDC): Likewise.
14 (VQ): Enable for V8BF.
15 (VQ2): Likewise.
16 (VQ_NO2E): Likewise.
17 (VDBL, Vdbl): Add V4BF.
18 (V_INT_EQUIV, v_int_equiv): Add V4BF and V8BF.
19 * config/aarch64/arm_neon.h (bfloat16x4x2_t): New typedef.
20 (bfloat16x8x2_t): Likewise.
21 (bfloat16x4x3_t): Likewise.
22 (bfloat16x8x3_t): Likewise.
23 (bfloat16x4x4_t): Likewise.
24 (bfloat16x8x4_t): Likewise.
25 (vcombine_bf16): New.
26 (vld1_bf16, vld1_bf16_x2): New.
27 (vld1_bf16_x3, vld1_bf16_x4): New.
28 (vld1q_bf16, vld1q_bf16_x2): New.
29 (vld1q_bf16_x3, vld1q_bf16_x4): New.
30 (vld1_lane_bf16): New.
31 (vld1q_lane_bf16): New.
32 (vld1_dup_bf16): New.
33 (vld1q_dup_bf16): New.
34 (vld2_bf16): New.
35 (vld2q_bf16): New.
36 (vld2_dup_bf16): New.
37 (vld2q_dup_bf16): New.
38 (vld3_bf16): New.
39 (vld3q_bf16): New.
40 (vld3_dup_bf16): New.
41 (vld3q_dup_bf16): New.
42 (vld4_bf16): New.
43 (vld4q_bf16): New.
44 (vld4_dup_bf16): New.
45 (vld4q_dup_bf16): New.
46 (vst1_bf16, vst1_bf16_x2): New.
47 (vst1_bf16_x3, vst1_bf16_x4): New.
48 (vst1q_bf16, vst1q_bf16_x2): New.
49 (vst1q_bf16_x3, vst1q_bf16_x4): New.
50 (vst1_lane_bf16): New.
51 (vst1q_lane_bf16): New.
52 (vst2_bf16): New.
53 (vst2q_bf16): New.
54 (vst3_bf16): New.
55 (vst3q_bf16): New.
56 (vst4_bf16): New.
57 (vst4q_bf16): New.
58
59 2020-02-25 Mihail Ionescu <mihail.ionescu@arm.com>
60
61 * config/aarch64/iterators.md (VDQF_F16) Add V4BF and V8BF.
62 (VALL_F16): Likewise.
63 (VALLDI_F16): Likewise.
64 (Vtype): Likewise.
65 (Vetype): Likewise.
66 (vswap_width_name): Likewise.
67 (VSWAP_WIDTH): Likewise.
68 (Vel): Likewise.
69 (VEL): Likewise.
70 (q): Likewise.
71 * config/aarch64/arm_neon.h (vset_lane_bf16, vsetq_lane_bf16): New.
72 (vget_lane_bf16, vgetq_lane_bf16): New.
73 (vcreate_bf16): New.
74 (vdup_n_bf16, vdupq_n_bf16): New.
75 (vdup_lane_bf16, vdup_laneq_bf16): New.
76 (vdupq_lane_bf16, vdupq_laneq_bf16): New.
77 (vduph_lane_bf16, vduph_laneq_bf16): New.
78 (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
79 (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
80 (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
81 (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
82 (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
83 (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
84 (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
85 (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
86 (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
87 (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
88 (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New
89 (vreinterpret_bf16_f16, vreinterpretq_bf16_f16): New
90 (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
91 (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
92 (vreinterpretq_bf16_p128): New.
93 (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
94 (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
95 (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
96 (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
97 (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
98 (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
99 (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
100 (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
101 (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
102 (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
103 (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
104 (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
105 (vreinterpret_f64_bf16,vreinterpretq_f64_bf16): New.
106 (vreinterpret_f16_bf16,vreinterpretq_f16_bf16): New.
107 (vreinterpretq_p128_bf16): New.
108
109 2020-02-25 Dennis Zhang <dennis.zhang@arm.com>
110
111 * config/arm/arm_neon.h (vbfdot_f32, vbfdotq_f32): New
112 (vbfdot_lane_f32, vbfdotq_laneq_f32): New.
113 (vbfdot_laneq_f32, vbfdotq_lane_f32): New.
114 * config/arm/arm_neon_builtins.def (vbfdot): New entry.
115 (vbfdot_lanev4bf, vbfdot_lanev8bf): Likewise.
116 * config/arm/iterators.md (VSF2BF): New attribute.
117 * config/arm/neon.md (neon_vbfdot<VCVTF:mode>): New entry.
118 (neon_vbfdot_lanev4bf<VCVTF:mode>): Likewise.
119 (neon_vbfdot_lanev8bf<VCVTF:mode>): Likewise.
120
121 2020-02-25 Christophe Lyon <christophe.lyon@linaro.org>
122
123 * config/arm/arm.md (required_for_purecode): New attribute.
124 (enabled): Handle required_for_purecode.
125 * config/arm/thumb1.md (thumb1_movsi_insn): Add alternative to
126 work with -mpure-code.
127
128 2020-02-25 Jakub Jelinek <jakub@redhat.com>
129
130 PR rtl-optimization/93908
131 * combine.c (find_split_point): For store into ZERO_EXTRACT, and src
132 with mask.
133
134 2019-02-25 Eric Botcazou <ebotcazou@adacore.com>
135
136 * dwarf2out.c (dwarf2out_size_function): Run in early-DWARF mode.
137
138 2020-02-25 Roman Zhuykov <zhroma@ispras.ru>
139
140 * doc/install.texi (--enable-checking): Adjust wording.
141
142 2020-02-25 Richard Biener <rguenther@suse.de>
143
144 PR tree-optimization/93868
145 * tree-vect-slp.c (slp_copy_subtree): New function.
146 (vect_attempt_slp_rearrange_stmts): Copy the SLP tree before
147 re-arranging stmts in it.
148
149 2020-02-25 Jakub Jelinek <jakub@redhat.com>
150
151 PR middle-end/93874
152 * passes.c (pass_manager::dump_passes): Create a cgraph node for the
153 dummy function and remove it at the end.
154
155 PR translation/93864
156 * config/lm32/lm32.c (lm32_setup_incoming_varargs): Fix comment typo
157 paramter -> parameter.
158 * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Likewise.
159 * ipa-prop.h (struct ipa_agg_replacement_value): Likewise.
160
161 2020-02-24 Roman Zhuykov <zhroma@ispras.ru>
162
163 * doc/install.texi (--enable-checking): Properly document current
164 behavior.
165 (--enable-stage1-checking): Minor clarification about bootstrap.
166
167 2020-02-24 David Malcolm <dmalcolm@redhat.com>
168
169 PR analyzer/93032
170 * doc/invoke.texi (-Wnanalyzer-tainted-array-index): Note that
171 -fanalyzer-checker=taint is also required.
172 (-fanalyzer-checker=): Note that providing this option enables the
173 given checker, and doing so may be required for checkers that are
174 disabled by default.
175
176 2020-02-24 David Malcolm <dmalcolm@redhat.com>
177
178 * doc/invoke.texi (-fanalyzer-verbosity=): "2" only shows
179 significant control flow events; add a "3" which shows all
180 control flow events; the old "3" becomes "4".
181
182 2020-02-24 Jakub Jelinek <jakub@redhat.com>
183
184 PR tree-optimization/93582
185 * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Consider
186 pd.offset and pd.size to be counted in bits rather than bytes, add
187 support for maxsizei that is not a multiple of BITS_PER_UNIT and
188 handle bitfield stores and loads.
189 (vn_reference_lookup_3): Don't call ranges_known_overlap_p with
190 uncomparable quantities - bytes vs. bits. Allow push_partial_def
191 on offsets/sizes that aren't multiple of BITS_PER_UNIT and adjust
192 pd.offset/pd.size to be counted in bits rather than bytes.
193 Formatting fix. Rename shadowed len variable to buflen.
194
195 2020-02-24 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
196 Kugan Vivekandarajah <kugan.vivekanandarajah@linaro.org>
197
198 PR driver/47785
199 * gcc.c (putenv_COLLECT_AS_OPTIONS): New function.
200 (driver::main): Call putenv_COLLECT_AS_OPTIONS.
201 * opts-common.c (parse_options_from_collect_gcc_options): New function.
202 (prepend_xassembler_to_collect_as_options): Likewise.
203 * opts.h (parse_options_from_collect_gcc_options): Declare prototype.
204 (prepend_xassembler_to_collect_as_options): Likewise.
205 * lto-opts.c (lto_write_options): Stream assembler options
206 in COLLECT_AS_OPTIONS.
207 * lto-wrapper.c (xassembler_options_error): New static variable.
208 (get_options_from_collect_gcc_options): Move parsing options code to
209 parse_options_from_collect_gcc_options and call it.
210 (merge_and_complain): Validate -Xassembler options.
211 (append_compiler_options): Handle OPT_Xassembler.
212 (run_gcc): Append command line -Xassembler options to
213 collect_gcc_options.
214 * doc/invoke.texi: Add documentation about using Xassembler
215 options with LTO.
216
217 2020-02-24 Kito Cheng <kito.cheng@sifive.com>
218
219 * config/riscv/riscv.c (riscv_emit_float_compare): Change the code gen
220 for LTGT.
221 (riscv_rtx_costs): Update cost model for LTGT.
222
223 2020-02-23 Vladimir Makarov <vmakarov@redhat.com>
224
225 PR rtl-optimization/93564
226 * ira-color.c (struct update_cost_queue_elem): New member start.
227 (queue_update_cost, get_next_update_cost): Add new arg start.
228 (allocnos_conflict_p): New function.
229 (update_costs_from_allocno): Add new arg conflict_cost_update_p.
230 Add checking conflicts with allocnos_conflict_p.
231 (update_costs_from_prefs, restore_costs_from_copies): Adjust
232 update_costs_from_allocno calls.
233 (update_conflict_hard_regno_costs): Add checking conflicts with
234 allocnos_conflict_p. Adjust calls of queue_update_cost and
235 get_next_update_cost.
236 (assign_hard_reg): Adjust calls of queue_update_cost. Add
237 debugging print.
238 (bucket_allocno_compare_func): Restore previous version.
239
240 2020-02-21 John David Anglin <danglin@gcc.gnu.org>
241
242 * gcc/config/pa/pa.c (pa_function_value): Fix check for word and
243 double-word size when handling aggregate return values.
244 * gcc/config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Fix to indicate
245 that homogeneous SFmode and DFmode aggregates are passed and returned
246 in general registers.
247
248 2020-02-21 Jakub Jelinek <jakub@redhat.com>
249
250 PR translation/93759
251 * opts.c (print_filtered_help): Translate help before appending
252 messages to it rather than after that.
253
254 2020-02-19 Richard Sandiford <richard.sandiford@arm.com>
255
256 PR rtl-optimization/PR92989
257 * lra-lives.c (process_bb_lives): Restore the original order
258 of the bb liveness update. Call make_hard_regno_dead for each
259 register clobbered at the start of an EH receiver.
260
261 2020-02-18 Feng Xue <fxue@os.amperecomputing.com>
262
263 PR ipa/93763
264 * ipa-cp.c (self_recursively_generated_p): Mark self-dependent value as
265 self-recursively generated.
266
267 2020-02-21 Iain Sandoe <iain@sandoe.co.uk>
268
269 PR target/93860
270 * config/darwin-c.c (pop_field_alignment): Adjust quoting of
271 error string.
272
273 2020-02-21 Mihail Ionescu <mihail.ionescu@arm.com>
274
275 * doc/sourcebuild.texi (arm_v8_1m_mve_ok):
276 Document new target supports option.
277
278 2020-02-21 Dennis Zhang <dennis.zhang@arm.com>
279
280 * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New.
281 * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New.
282 * config/arm/iterators.md (MATMUL): New iterator.
283 (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US.
284 (mmla_sfx): New attribute.
285 * config/arm/neon.md (neon_<sup>mmlav16qi): New.
286 * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New.
287 (UNSPEC_MATMUL_US): New.
288
289 2020-02-21 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
290
291 * config/arm/arm.md: Prevent scalar shifts from being used when big
292 endian is enabled.
293
294 2020-02-21 Jan Hubicka <hubicka@ucw.cz>
295 Richard Biener <rguenther@suse.de>
296
297 PR tree-optimization/93586
298 * tree-ssa-alias.c (nonoverlapping_array_refs_p): Finish array walk
299 after mismatched array refs; do not sure type size information to
300 recover from unmatched referneces with !flag_strict_aliasing_p.
301
302 2020-02-21 Andrew Stubbs <ams@codesourcery.com>
303
304 * config/gcn/gcn-valu.md (gather_load<mode>): Rename to ...
305 (gather_load<mode>v64si): ... this and set operand 2 to V64SI.
306 (scatter_store<mode>): Rename to ...
307 (scatter_store<mode>v64si): ... this and set operand 1 to V64SI.
308 (scatter<mode>_exec): Delete. Move contents ...
309 (mask_scatter_store<mode>): ... here, and rename that to ...
310 (mask_gather_load<mode>v64si): ... this. Set operand 2 to V64SI.
311 Remove mode conversion.
312 (mask_gather_load<mode>): Rename to ...
313 (mask_scatter_store<mode>v64si): ... this. Set operand 1 to V64SI.
314 Remove mode conversion.
315 * config/gcn/gcn.c (gcn_expand_scaled_offsets): Remove mode conversion.
316
317 2020-02-21 Martin Jambor <mjambor@suse.cz>
318
319 PR tree-optimization/93845
320 * tree-sra.c (verify_sra_access_forest): Only test access size of
321 scalar types.
322
323 2020-02-21 Andrew Stubbs <ams@codesourcery.com>
324
325 * config/gcn/gcn.c (gcn_hard_regno_mode_ok): Align VGPR pairs.
326 * config/gcn/gcn-valu.md (addv64di3): Remove early-clobber.
327 (addv64di3_exec): Likewise.
328 (subv64di3): Likewise.
329 (subv64di3_exec): Likewise.
330 (addv64di3_zext): Likewise.
331 (addv64di3_zext_exec): Likewise.
332 (addv64di3_zext_dup): Likewise.
333 (addv64di3_zext_dup_exec): Likewise.
334 (addv64di3_zext_dup2): Likewise.
335 (addv64di3_zext_dup2_exec): Likewise.
336 (addv64di3_sext_dup2): Likewise.
337 (addv64di3_sext_dup2_exec): Likewise.
338 (<expander>v64di3): Likewise.
339 (<expander>v64di3_exec): Likewise.
340 (*<reduc_op>_dpp_shr_v64di): Likewise.
341 (*plus_carry_dpp_shr_v64di): Likewise.
342 * config/gcn/gcn.md (adddi3): Likewise.
343 (addptrdi3): Likewise.
344 (<expander>di3): Likewise.
345
346 2020-02-21 Andrew Stubbs <ams@codesourcery.com>
347
348 * config/gcn/gcn-valu.md (vec_seriesv64di): Use gen_vec_duplicatev64di.
349
350 2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
351
352 * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Add SVE
353 support. Use aarch64_emit_mult instead of emitting multiplication
354 instructions directly.
355 * config/aarch64/aarch64-sve.md (sqrt<mode>2, rsqrt<mode>2)
356 (@aarch64_rsqrte<mode>, @aarch64_rsqrts<mode>): New expanders.
357
358 2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
359
360 * config/aarch64/aarch64.c (aarch64_emit_mult): New function.
361 (aarch64_emit_approx_div): Add SVE support. Use aarch64_emit_mult
362 instead of emitting multiplication instructions directly.
363 * config/aarch64/iterators.md (SVE_COND_FP_BINARY_OPTAB): New iterator.
364 * config/aarch64/aarch64-sve.md (div<mode>3, @aarch64_frecpe<mode>)
365 (@aarch64_frecps<mode>): New expanders.
366
367 2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
368
369 * config/aarch64/aarch64-protos.h (AARCH64_APPROX_MODE): Operate
370 on and produce uint64_ts rather than ints.
371 (AARCH64_APPROX_NONE, AARCH64_APPROX_ALL): Change to uint64_ts.
372 (cpu_approx_modes): Change the fields from unsigned int to uint64_t.
373
374 2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
375
376 * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Don't create
377 an unused xmsk register when handling approximate rsqrt.
378
379 2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
380
381 * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Fix inverted
382 flag_finite_math_only condition.
383
384 2020-02-20 Uroš Bizjak <ubizjak@gmail.com>
385
386 PR target/93828
387 * config/i386/mmx.md (*vec_extractv2sf_1): Match source operand
388 to destination operand for shufps alternative.
389 (*vec_extractv2si_1): Ditto.
390
391 2020-02-20 Peter Bergner <bergner@linux.ibm.com>
392
393 PR target/93658
394 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX
395 vector modes.
396
397 2020-02-20 Martin Liska <mliska@suse.cz>
398
399 PR translation/93831
400 * config/darwin.c (darwin_override_options): Change 64b to 64-bit mode.
401
402 2020-02-20 Martin Liska <mliska@suse.cz>
403
404 PR translation/93830
405 * common/config/avr/avr-common.c: Remote trailing "|".
406
407 2020-02-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
408
409 * collect2.c (maybe_run_lto_and_relink): Fix typo in
410 comment.
411
412 2020-02-19 Richard Sandiford <richard.sandiford@arm.com>
413
414 PR tree-optimization/93767
415 * tree-vect-data-refs.c (vect_compile_time_alias): Remove the
416 access-size bias from the offset calculations for negative strides.
417
418 2020-02-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
419
420 * collect2.c (c_file, o_file): Make const again.
421 (ldout,lderrout, dump_ld_file): Remove.
422 (tool_cleanup): Avoid calling not signal-safe functions.
423 (maybe_run_lto_and_relink): Avoid possible signal handler
424 access to unintialzed memory (lto_o_files).
425 (main): Avoid leaking temp files in $TMPDIR.
426 Initialize c_file/o_file with concat, which avoids exposing
427 uninitialized memory to signal handler, which calls unlink(!).
428 Avoid calling maybe_unlink when the main function returns,
429 since the atexit handler is already doing this.
430 * collect2.h (dump_ld_file, ldout, lderrout): Remove.
431
432 2020-02-19 Martin Jambor <mjambor@suse.cz>
433
434 PR tree-optimization/93776
435 * tree-sra.c (create_access): Do not create zero size accesses.
436 (get_access_for_expr): Do not search for zero sized accesses.
437
438 2020-02-19 Martin Jambor <mjambor@suse.cz>
439
440 PR tree-optimization/93667
441 * tree-sra.c (scalarizable_type_p): Return false if record fields
442 do not follow wach other.
443
444 2020-01-21 Kito Cheng <kito.cheng@sifive.com>
445
446 * config/riscv/riscv.c (riscv_output_move) Using fmv.x.w/fmv.w.x
447 rather than fmv.x.s/fmv.s.x.
448
449 2020-02-18 James Greenhalgh <james.greenhalgh@arm.com>
450
451 * config/aarch64/aarch64-simd-builtins.def
452 (intrinsic_vec_smult_lo_): New.
453 (intrinsic_vec_umult_lo_): Likewise.
454 (vec_widen_smult_hi_): Likewise.
455 (vec_widen_umult_hi_): Likewise.
456 * config/aarch64/aarch64-simd.md
457 (aarch64_intrinsic_vec_<su>mult_lo_<mode>): New.
458 * config/aarch64/arm_neon.h (vmull_high_s8): Use intrinsics.
459 (vmull_high_s16): Likewise.
460 (vmull_high_s32): Likewise.
461 (vmull_high_u8): Likewise.
462 (vmull_high_u16): Likewise.
463 (vmull_high_u32): Likewise.
464 (vmull_s8): Likewise.
465 (vmull_s16): Likewise.
466 (vmull_s32): Likewise.
467 (vmull_u8): Likewise.
468 (vmull_u16): Likewise.
469 (vmull_u32): Likewise.
470
471 2020-02-18 Martin Liska <mliska@suse.cz>
472
473 * value-prof.c (stream_out_histogram_value): Restore LTO PGO
474 bootstrap by missing removal of invalid sanity check.
475
476 2020-02-18 Martin Liska <mliska@suse.cz>
477
478 PR ipa/92518
479 * ipa-icf-gimple.c (func_checker::compare_gimple_assign):
480 Always compare LHS of gimple_assign.
481
482 2020-02-18 Martin Liska <mliska@suse.cz>
483
484 PR ipa/93583
485 * cgraph.c (cgraph_node::verify_node): Verify MALLOC attribute
486 and return type of functions.
487 * ipa-param-manipulation.c (ipa_param_adjustments::adjust_decl):
488 Drop MALLOC attribute for void functions.
489 * ipa-pure-const.c (funct_state_summary_t::duplicate): Drop
490 malloc_state for a new VOID clone.
491
492 2020-02-18 Martin Liska <mliska@suse.cz>
493
494 PR ipa/92924
495 * common.opt: Add -fprofile-reproducibility.
496 * doc/invoke.texi: Document it.
497 * value-prof.c (dump_histogram_value):
498 Document and support behavior for counters[0]
499 being a negative value.
500 (get_nth_most_common_value): Handle negative
501 counters[0] in respect to flag_profile_reproducible.
502
503 2020-02-18 Jakub Jelinek <jakub@redhat.com>
504
505 PR ipa/93797
506 * cgraph.c (verify_speculative_call): Use speculative_id instead of
507 speculative_uid in messages. Remove trailing whitespace from error
508 message. Use num_speculative_call_targets instead of
509 num_speculative_targets in a message.
510 (cgraph_node::verify_node): Use call_stmt instead of cal_stmt in
511 edge messages and stmt instead of cal_stmt in reference message.
512
513 PR tree-optimization/93780
514 * tree-ssa.c (non_rewritable_lvalue_p): Check valid_vector_subparts_p
515 before calling build_vector_type.
516 (execute_update_addresses_taken): Likewise.
517
518 PR driver/93796
519 * params.opt (-param=ipa-max-switch-predicate-bounds=): Fix help
520 typo, functoin -> function.
521 * tree.c (free_lang_data_in_decl): Fix comment typo,
522 functoin -> function.
523 * ipa-visibility.c (cgraph_externally_visible_p): Likewise.
524
525 2020-02-17 David Malcolm <dmalcolm@redhat.com>
526
527 * diagnostic.c (print_any_cwe): Don't call get_cwe_url if URLs
528 won't be printed.
529 (print_option_information): Don't call get_option_url if URLs
530 won't be printed.
531
532 2020-02-17 Alexandre Oliva <oliva@adacore.com>
533
534 * tree-emutls.c (new_emutls_decl, emutls_common_1): Complete
535 handling of register_common-less targets.
536
537 2020-02-17 Martin Liska <mliska@suse.cz>
538
539 PR ipa/93760
540 * ipa-devirt.c (odr_types_equivalent_p): Fix grammar.
541
542 2020-02-17 Martin Liska <mliska@suse.cz>
543
544 PR translation/93755
545 * config/rs6000/rs6000.c (rs6000_option_override_internal):
546 Fix double quotes.
547
548 2020-02-17 Martin Liska <mliska@suse.cz>
549
550 PR other/93756
551 * config/rx/elf.opt: Fix typo.
552
553 2020-02-17 Richard Biener <rguenther@suse.de>
554
555 PR c/86134
556 * opts-global.c (print_ignored_options): Use inform and
557 amend message.
558
559 2020-02-17 Jiufu Guo <guojiufu@linux.ibm.com>
560
561 PR target/93047
562 * config/rs6000/rs6000.md (untyped_call): Add emit_clobber.
563
564 2020-02-16 Uroš Bizjak <ubizjak@gmail.com>
565
566 PR target/93743
567 * config/i386/i386.md (atan2xf3): Swap operands 1 and 2.
568 (atan2<mode>3): Update operand order in the call to gen_atan2xf3.
569
570 2020-02-15 Jason Merrill <jason@redhat.com>
571
572 * doc/invoke.texi (C Dialect Options): Add -std=c++20.
573
574 2020-02-15 Jakub Jelinek <jakub@redhat.com>
575
576 PR tree-optimization/93744
577 * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0,
578 A - ((A - B) & -(C cmp D)) -> (C cmp D) ? B : A,
579 A + ((B - A) & -(C cmp D)) -> (C cmp D) ? B : A): For GENERIC, make
580 sure @2 in the first and @1 in the other patterns has no side-effects.
581
582 2020-02-15 David Malcolm <dmalcolm@redhat.com>
583 Bernd Edlinger <bernd.edlinger@hotmail.de>
584
585 PR 87488
586 PR other/93168
587 * config.in (DIAGNOSTICS_URLS_DEFAULT): New define.
588 * configure.ac (--with-diagnostics-urls): New configuration
589 option, based on --with-diagnostics-color.
590 (DIAGNOSTICS_URLS_DEFAULT): New define.
591 * config.h: Regenerate.
592 * configure: Regenerate.
593 * diagnostic.c (diagnostic_urls_init): Handle -1 for
594 DIAGNOSTICS_URLS_DEFAULT from configure-time
595 --with-diagnostics-urls=auto-if-env by querying for a GCC_URLS
596 and TERM_URLS environment variable.
597 * diagnostic-url.h (diagnostic_url_format): New enum type.
598 (diagnostic_urls_enabled_p): rename to...
599 (determine_url_format): ... this, and change return type.
600 * diagnostic-color.c (parse_env_vars_for_urls): New helper function.
601 (auto_enable_urls): Disable URLs on xfce4-terminal, gnome-terminal,
602 the linux console, and mingw.
603 (diagnostic_urls_enabled_p): rename to...
604 (determine_url_format): ... this, and adjust.
605 * pretty-print.h (pretty_printer::show_urls): rename to...
606 (pretty_printer::url_format): ... this, and change to enum.
607 * pretty-print.c (pretty_printer::pretty_printer,
608 pp_begin_url, pp_end_url, test_urls): Adjust.
609 * doc/install.texi (--with-diagnostics-urls): Document the new
610 configuration option.
611 (--with-diagnostics-color): Document the existing interaction
612 with GCC_COLORS better.
613 * doc/invoke.texi (-fdiagnostics-urls): Add GCC_URLS and TERM_URLS
614 vindex reference. Update description of defaults based on the above.
615 (-fdiagnostics-color): Update description of how -fdiagnostics-color
616 interacts with GCC_COLORS.
617
618 2020-02-14 Eric Botcazou <ebotcazou@adacore.com>
619
620 PR target/93704
621 * config/sparc/sparc.c (eligible_for_call_delay): Test HAVE_GNU_LD in
622 conjunction with TARGET_GNU_TLS in early return.
623
624 2020-02-14 Alexander Monakov <amonakov@ispras.ru>
625
626 * rtlanal.c (rtx_cost): Handle a SET up front. Avoid division if
627 the mode is not wider than UNITS_PER_WORD.
628
629 2020-02-14 Martin Jambor <mjambor@suse.cz>
630
631 PR tree-optimization/93516
632 * tree-sra.c (propagate_subaccesses_from_rhs): Do not create
633 access of the same type as the parent.
634 (propagate_subaccesses_from_lhs): Likewise.
635
636 2020-02-14 Hongtao Liu <hongtao.liu@intel.com>
637
638 PR target/93724
639 * config/i386/avx512vbmi2intrin.h
640 (_mm512_shrdi_epi16, _mm512_mask_shrdi_epi16,
641 _mm512_maskz_shrdi_epi16, _mm512_shrdi_epi32,
642 _mm512_mask_shrdi_epi32, _mm512_maskz_shrdi_epi32,
643 _m512_shrdi_epi64, _m512_mask_shrdi_epi64,
644 _m512_maskz_shrdi_epi64, _mm512_shldi_epi16,
645 _mm512_mask_shldi_epi16, _mm512_maskz_shldi_epi16,
646 _mm512_shldi_epi32, _mm512_mask_shldi_epi32,
647 _mm512_maskz_shldi_epi32, _mm512_shldi_epi64,
648 _mm512_mask_shldi_epi64, _mm512_maskz_shldi_epi64): Fix typo
649 of lacking a closing parenthesis.
650 * config/i386/avx512vbmi2vlintrin.h
651 (_mm256_shrdi_epi16, _mm256_mask_shrdi_epi16,
652 _mm256_maskz_shrdi_epi16, _mm256_shrdi_epi32,
653 _mm256_mask_shrdi_epi32, _mm256_maskz_shrdi_epi32,
654 _m256_shrdi_epi64, _m256_mask_shrdi_epi64,
655 _m256_maskz_shrdi_epi64, _mm256_shldi_epi16,
656 _mm256_mask_shldi_epi16, _mm256_maskz_shldi_epi16,
657 _mm256_shldi_epi32, _mm256_mask_shldi_epi32,
658 _mm256_maskz_shldi_epi32, _mm256_shldi_epi64,
659 _mm256_mask_shldi_epi64, _mm256_maskz_shldi_epi64,
660 _mm_shrdi_epi16, _mm_mask_shrdi_epi16,
661 _mm_maskz_shrdi_epi16, _mm_shrdi_epi32,
662 _mm_mask_shrdi_epi32, _mm_maskz_shrdi_epi32,
663 _mm_shrdi_epi64, _mm_mask_shrdi_epi64,
664 _m_maskz_shrdi_epi64, _mm_shldi_epi16,
665 _mm_mask_shldi_epi16, _mm_maskz_shldi_epi16,
666 _mm_shldi_epi32, _mm_mask_shldi_epi32,
667 _mm_maskz_shldi_epi32, _mm_shldi_epi64,
668 _mm_mask_shldi_epi64, _mm_maskz_shldi_epi64): Ditto.
669
670 2020-02-13 H.J. Lu <hongjiu.lu@intel.com>
671
672 PR target/93656
673 * config/i386/i386.c (ix86_trampoline_init): Skip ENDBR32 at
674 the target function entry.
675
676 2020-02-13 Claudiu Zissulescu <claziss@synopsys.com>
677
678 * common/config/arc/arc-common.c (arc_option_optimization_table):
679 Disable if-conversion step when optimized for size.
680
681 2020-02-13 Claudiu Zissulescu <claziss@synopsys.com>
682
683 * config/arc/arc.c (arc_conditional_register_usage): R0-R3 and
684 R12-R15 are always in ARCOMPACT16_REGS register class.
685 * config/arc/arc.opt (mq-class): Deprecate.
686 * config/arc/constraint.md ("q"): Remove dependency on mq-class
687 option.
688 * doc/invoke.texi (mq-class): Update text.
689 * common/config/arc/arc-common.c (arc_option_optimization_table):
690 Update list.
691
692 2020-02-13 Claudiu Zissulescu <claziss@synopsys.com>
693
694 * config/arc/arc.c (arc_insn_cost): New function.
695 (TARGET_INSN_COST): Define.
696 * config/arc/arc.md (cost): New attribute.
697 (add_n): Use arc_nonmemory_operand.
698 (ashlsi3_insn): Likewise, also update constraints.
699 (ashrsi3_insn): Likewise.
700 (rotrsi3): Likewise.
701 (add_shift): Likewise.
702 * config/arc/predicates.md (arc_nonmemory_operand): New predicate.
703
704 2020-02-13 Claudiu Zissulescu <claziss@synopsys.com>
705
706 * config/arc/arc.md (mulsidi_600): Correctly select mlo/mhi
707 registers.
708 (umulsidi_600): Likewise.
709
710 2020-02-13 Jakub Jelinek <jakub@redhat.com>
711
712 PR target/93696
713 * config/i386/avx512bitalgintrin.h (_mm512_mask_popcnt_epi8,
714 _mm512_mask_popcnt_epi16, _mm256_mask_popcnt_epi8,
715 _mm256_mask_popcnt_epi16, _mm_mask_popcnt_epi8,
716 _mm_mask_popcnt_epi16): Rename __B argument to __A and __A to __W,
717 pass __A to the builtin followed by __W instead of __A followed by
718 __B.
719 * config/i386/avx512vpopcntdqintrin.h (_mm512_mask_popcnt_epi32,
720 _mm512_mask_popcnt_epi64): Likewise.
721 * config/i386/avx512vpopcntdqvlintrin.h (_mm_mask_popcnt_epi32,
722 _mm256_mask_popcnt_epi32, _mm_mask_popcnt_epi64,
723 _mm256_mask_popcnt_epi64): Likewise.
724
725 PR tree-optimization/93582
726 * fold-const.h (shift_bytes_in_array_left,
727 shift_bytes_in_array_right): Declare.
728 * fold-const.c (shift_bytes_in_array_left,
729 shift_bytes_in_array_right): New function, moved from
730 gimple-ssa-store-merging.c, no longer static.
731 * gimple-ssa-store-merging.c (shift_bytes_in_array): Move
732 to gimple-ssa-store-merging.c and rename to shift_bytes_in_array_left.
733 (shift_bytes_in_array_right): Move to gimple-ssa-store-merging.c.
734 (encode_tree_to_bitpos): Use shift_bytes_in_array_left instead of
735 shift_bytes_in_array.
736 (verify_shift_bytes_in_array): Rename to ...
737 (verify_shift_bytes_in_array_left): ... this. Use
738 shift_bytes_in_array_left instead of shift_bytes_in_array.
739 (store_merging_c_tests): Call verify_shift_bytes_in_array_left
740 instead of verify_shift_bytes_in_array.
741 * tree-ssa-sccvn.c (vn_reference_lookup_3): For native_encode_expr
742 / native_interpret_expr where the store covers all needed bits,
743 punt on PDP-endian, otherwise allow all involved offsets and sizes
744 not to be byte-aligned.
745
746 PR target/93673
747 * config/i386/sse.md (k<code><mode>): Drop mode from last operand and
748 use const_0_to_255_operand predicate instead of immediate_operand.
749 (avx512dq_fpclass<mode><mask_scalar_merge_name>,
750 avx512dq_vmfpclass<mode><mask_scalar_merge_name>,
751 vgf2p8affineinvqb_<mode><mask_name>,
752 vgf2p8affineqb_<mode><mask_name>): Drop mode from
753 const_0_to_255_operand predicated operands.
754
755 2020-02-12 Jeff Law <law@redhat.com>
756
757 * config/h8300/h8300.md (comparison shortening peepholes): Use
758 a mode iterator to merge the HImode and SImode peepholes.
759
760 2020-02-12 Jakub Jelinek <jakub@redhat.com>
761
762 PR middle-end/93663
763 * real.c (is_even): Make static. Function comment fix.
764 (is_halfway_below): Make static, don't assert R is not inf/nan,
765 instead return false for those. Small formatting fixes.
766
767 2020-02-12 Martin Sebor <msebor@redhat.com>
768
769 PR middle-end/93646
770 * tree-ssa-strlen.c (handle_builtin_stxncpy): Rename...
771 (handle_builtin_stxncpy_strncat): ...to this. Change first argument.
772 Issue only -Wstringop-overflow strncat, never -Wstringop-truncation.
773 (strlen_check_and_optimize_call): Adjust callee name.
774
775 2020-02-12 Jeff Law <law@redhat.com>
776
777 * config/h8300/h8300.md (comparison shortening peepholes): Drop
778 (and (xor)) variant. Combine other two into single peephole.
779
780 2020-02-12 Wilco Dijkstra <wdijkstr@arm.com>
781
782 PR rtl-optimization/93565
783 * config/aarch64/aarch64.c (aarch64_rtx_costs): Add CTZ costs.
784
785 2020-02-12 Wilco Dijkstra <wdijkstr@arm.com>
786
787 * config/aarch64/aarch64-simd.md
788 (aarch64_zero_extend<GPI:mode>_reduc_plus_<VDQV_E:mode>): New pattern.
789 * config/aarch64/aarch64.md (popcount<mode>2): Use it instead of
790 generating separate ADDV and zero_extend patterns.
791 * config/aarch64/iterators.md (VDQV_E): New iterator.
792
793 2020-02-12 Jeff Law <law@redhat.com>
794
795 * config/h8300/h8300.md (cpymemsi, movmd): Remove dead patterns,
796 expanders, splits, etc.
797 (movmd_internal_<mode>, movmd splitter, movstr, movsd): Likewise.
798 (stpcpy_internal_<mode>, stpcpy splitter): Likewise.
799 (peepholes to convert QI/HI mode pushes to SI mode pushes): Likewise.
800 * config/h8300/h8300.c (h8300_swap_into_er6): Remove unused function.
801 (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise
802 * config/h8300/h8300-protos.h (h8300_swap_into_er6): Remove unused
803 function prototype.
804 (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise.
805
806 2020-02-12 Jakub Jelinek <jakub@redhat.com>
807
808 PR target/93670
809 * config/i386/sse.md (VI48F_256_DQ): New mode iterator.
810 (avx512vl_vextractf128<mode>): Use it instead of VI48F_256. Remove
811 TARGET_AVX512DQ from condition.
812 (vec_extract_lo_<mode><mask_name>): Use <mask_avx512dq_condition>
813 instead of <mask_mode512bit_condition> in condition. If
814 TARGET_AVX512DQ is false, emit vextract*64x4 instead of
815 vextract*32x8.
816 (vec_extract_lo_<mode><mask_name>): Drop <mask_avx512dq_condition>
817 from condition.
818
819 2020-02-12 Kewen Lin <linkw@gcc.gnu.org>
820
821 PR target/91052
822 * ira.c (combine_and_move_insns): Skip multiple_sets def_insn.
823
824 2020-02-12 Segher Boessenkool <segher@kernel.crashing.org>
825
826 * config/rs6000/rs6000.c (rs6000_debug_print_mode): Don't use sizeof
827 where strlen is more legible.
828 (rs6000_builtin_vectorized_libmass): Ditto.
829 (rs6000_print_options_internal): Ditto.
830
831 2020-02-11 Martin Sebor <msebor@redhat.com>
832
833 PR tree-optimization/93683
834 * tree-ssa-alias.c (stmt_kills_ref_p): Avoid using LHS when not set.
835
836 2020-02-11 Michael Meissner <meissner@linux.ibm.com>
837
838 * config/rs6000/predicates.md (cint34_operand): Rename the
839 -mprefixed-addr option to be -mprefixed.
840 * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Rename
841 the -mprefixed-addr option to be -mprefixed.
842 (OTHER_FUTURE_MASKS): Likewise.
843 (POWERPC_MASKS): Likewise.
844 * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
845 the -mprefixed-addr option to be -mprefixed. Change error
846 messages to refer to -mprefixed.
847 (num_insns_constant_gpr): Rename the -mprefixed-addr option to be
848 -mprefixed.
849 (rs6000_legitimate_offset_address_p): Likewise.
850 (rs6000_mode_dependent_address): Likewise.
851 (rs6000_opt_masks): Change the spelling of "-mprefixed-addr" to be
852 "-mprefixed" for target attributes and pragmas.
853 (address_to_insn_form): Rename the -mprefixed-addr option to be
854 -mprefixed.
855 (rs6000_adjust_insn_length): Likewise.
856 * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Rename the
857 -mprefixed-addr option to be -mprefixed.
858 (ASM_OUTPUT_OPCODE): Likewise.
859 * config/rs6000/rs6000.md (prefixed insn attribute): Rename the
860 -mprefixed-addr option to be -mprefixed.
861 * config/rs6000/rs6000.opt (-mprefixed): Rename the
862 -mprefixed-addr option to be prefixed. Change the option from
863 being undocumented to being documented.
864 * doc/invoke.texi (RS/6000 and PowerPC Options): Document the
865 -mprefixed option. Update the -mpcrel documentation to mention
866 -mprefixed.
867
868 2020-02-11 Hans-Peter Nilsson <hp@axis.com>
869
870 * ira-conflicts.c (print_hard_reg_set): Correct output for sets
871 including FIRST_PSEUDO_REGISTER - 1.
872 * ira-color.c (print_hard_reg_set): Ditto.
873
874 2020-02-11 Stam Markianos-Wright <stam.markianos-wright@arm.com>
875
876 * config/arm/arm-builtins.c (enum arm_type_qualifiers):
877 (USTERNOP_QUALIFIERS): New define.
878 (USMAC_LANE_QUADTUP_QUALIFIERS): New define.
879 (SUMAC_LANE_QUADTUP_QUALIFIERS): New define.
880 (arm_expand_builtin_args): Add case ARG_BUILTIN_LANE_QUADTUP_INDEX.
881 (arm_expand_builtin_1): Add qualifier_lane_quadtup_index.
882 * config/arm/arm_neon.h (vusdot_s32): New.
883 (vusdot_lane_s32): New.
884 (vusdotq_lane_s32): New.
885 (vsudot_lane_s32): New.
886 (vsudotq_lane_s32): New.
887 * config/arm/arm_neon_builtins.def (usdot, usdot_lane,sudot_lane): New.
888 * config/arm/iterators.md (DOTPROD_I8MM): New.
889 (sup, opsuffix): Add <us/su>.
890 * config/arm/neon.md (neon_usdot, <us/su>dot_lane: New.
891 * config/arm/unspecs.md (UNSPEC_DOT_US, UNSPEC_DOT_SU): New.
892
893 2020-02-11 Richard Biener <rguenther@suse.de>
894
895 PR tree-optimization/93661
896 PR tree-optimization/93662
897 * tree-ssa-sccvn.c (vn_reference_lookup_3): Properly guard
898 tree_to_poly_int64.
899 * tree-sra.c (get_access_for_expr): Likewise.
900
901 2020-02-10 Jakub Jelinek <jakub@redhat.com>
902
903 PR target/93637
904 * config/i386/sse.md (VI_256_AVX2): New mode iterator.
905 (vcond_mask_<mode><sseintvecmodelower>): Use it instead of VI_256.
906 Change condition from TARGET_AVX2 to TARGET_AVX.
907
908 2020-02-10 Iain Sandoe <iain@sandoe.co.uk>
909
910 PR other/93641
911 * config/darwin-c.c (darwin_cfstring_ref_p): Fix up last
912 argument of strncmp.
913
914 2020-02-10 Hans-Peter Nilsson <hp@axis.com>
915
916 Try to generate zero-based comparisons.
917 * config/cris/cris.c (cris_reduce_compare): New function.
918 * config/cris/cris-protos.h (cris_reduce_compare): Add prototype.
919 * config/cris/cris.md ("cbranch<mode>4", "cbranchdi4", "cstoredi4")
920 (cstore<mode>4"): Apply cris_reduce_compare in expanders.
921
922 2020-02-10 Richard Earnshaw <rearnsha@arm.com>
923
924 PR target/91913
925 * config/arm/arm.md (movsi_compare0): Allow SP as a source register
926 in Thumb state and also as a destination in Arm state. Add T16
927 variants.
928
929 2020-02-10 Hans-Peter Nilsson <hp@axis.com>
930
931 * md.texi (Define Subst): Match closing paren in example.
932
933 2020-02-10 Jakub Jelinek <jakub@redhat.com>
934
935 PR target/58218
936 PR other/93641
937 * config/i386/i386.c (x86_64_elf_section_type_flags): Fix up last
938 arguments of strncmp.
939
940 2020-02-10 Feng Xue <fxue@os.amperecomputing.com>
941
942 PR ipa/93203
943 * ipa-cp.c (ipcp_lattice::add_value): Add source with same call edge
944 but different source value.
945 (adjust_callers_for_value_intersection): New function.
946 (gather_edges_for_value): Adjust order of callers to let a
947 non-self-recursive caller be the first element.
948 (self_recursive_pass_through_p): Add a new parameter "simple", and
949 check generalized self-recursive pass-through jump function.
950 (self_recursive_agg_pass_through_p): Likewise.
951 (find_more_scalar_values_for_callers_subset): Compute value from
952 pass-through jump function for self-recursive.
953 (intersect_with_plats): Cleanup previous implementation code for value
954 itersection with self-recursive call edge.
955 (intersect_with_agg_replacements): Likewise.
956 (intersect_aggregates_with_edge): Deduce value from pass-through jump
957 function for self-recursive call edge. Cleanup previous implementation
958 code for value intersection with self-recursive call edge.
959 (decide_whether_version_node): Remove dead callers and adjust order
960 to let a non-self-recursive caller be the first element.
961
962 2020-02-09 Uroš Bizjak <ubizjak@gmail.com>
963
964 * recog.c: Move pass_split_before_sched2 code in front of
965 pass_split_before_regstack.
966 (pass_data_split_before_sched2): Rename pass to split3 from split4.
967 (pass_data_split_before_regstack): Rename pass to split4 from split3.
968 (rest_of_handle_split_before_sched2): Remove.
969 (pass_split_before_sched2::execute): Unconditionally call
970 split_all_insns.
971 (enable_split_before_sched2): New function.
972 (pass_split_before_sched2::gate): Use enable_split_before_sched2.
973 (pass_split_before_regstack::gate): Ditto.
974 * config/nds32/nds32.c (nds32_split_double_word_load_store_p):
975 Update name check for renamed split4 pass.
976 * config/sh/sh.c (register_sh_passes): Update pass insertion
977 point for renamed split4 pass.
978
979 2020-02-09 Jakub Jelinek <jakub@redhat.com>
980
981 * gimplify.c (gimplify_adjust_omp_clauses_1): Promote
982 DECL_IN_CONSTANT_POOL variables into "omp declare target" to avoid
983 copying them around between host and target.
984
985 2020-02-08 Andrew Pinski <apinski@marvell.com>
986
987 PR target/91927
988 * config/aarch64/aarch64-simd.md (movmisalign<mode>): Check
989 STRICT_ALIGNMENT also.
990
991 2020-02-08 Jim Wilson <jimw@sifive.com>
992
993 PR target/93532
994 * config/riscv/riscv.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
995
996 2020-02-08 Uroš Bizjak <ubizjak@gmail.com>
997 Jakub Jelinek <jakub@redhat.com>
998
999 PR target/65782
1000 * config/i386/i386.h (CALL_USED_REGISTERS): Make
1001 xmm16-xmm31 call-used even in 64-bit ms-abi.
1002
1003 2020-02-07 Dennis Zhang <dennis.zhang@arm.com>
1004
1005 * config/aarch64/aarch64-simd-builtins.def (simd_smmla): New entry.
1006 (simd_ummla, simd_usmmla): Likewise.
1007 * config/aarch64/aarch64-simd.md (aarch64_simd_<sur>mmlav16qi): New.
1008 * config/aarch64/arm_neon.h (vmmlaq_s32, vmmlaq_u32): New.
1009 (vusmmlaq_s32): New.
1010
1011 2020-02-07 Richard Biener <rguenther@suse.de>
1012
1013 PR middle-end/93519
1014 * tree-inline.c (fold_marked_statements): Do a PRE walk,
1015 skipping unreachable regions.
1016 (optimize_inline_calls): Skip folding stmts when we didn't
1017 inline.
1018
1019 2020-02-07 H.J. Lu <hongjiu.lu@intel.com>
1020
1021 PR target/85667
1022 * config/i386/i386.c (function_arg_ms_64): Add a type argument.
1023 Don't return aggregates with only SFmode and DFmode in SSE
1024 register.
1025 (ix86_function_arg): Pass arg.type to function_arg_ms_64.
1026
1027 2020-02-07 Jakub Jelinek <jakub@redhat.com>
1028
1029 PR target/93122
1030 * config/rs6000/rs6000-logue.c
1031 (rs6000_emit_probe_stack_range_stack_clash): Always use gen_add3_insn,
1032 if it fails, move rs into end_addr and retry. Add
1033 REG_FRAME_RELATED_EXPR note whenever it returns more than one insn or
1034 the insn pattern doesn't describe well what exactly happens to
1035 dwarf2cfi.c.
1036
1037 PR target/93594
1038 * config/i386/predicates.md (avx_identity_operand): Remove.
1039 * config/i386/sse.md (*avx_vec_concat<mode>_1): Remove.
1040 (avx_<castmode><avxsizesuffix>_<castmode>,
1041 avx512f_<castmode><avxsizesuffix>_256<castmode>): Change patterns to
1042 a VEC_CONCAT of the operand and UNSPEC_CAST.
1043 (avx512f_<castmode><avxsizesuffix>_<castmode>): Change pattern to
1044 a VEC_CONCAT of VEC_CONCAT of the operand and UNSPEC_CAST with
1045 UNSPEC_CAST.
1046
1047 PR target/93611
1048 * config/i386/i386.c (ix86_lea_outperforms): Make sure to clear
1049 recog_data.insn if distance_non_agu_define changed it.
1050
1051 2020-02-06 Michael Meissner <meissner@linux.ibm.com>
1052
1053 PR target/93569
1054 * config/rs6000/rs6000.c (reg_to_non_prefixed): Before ISA 3.0
1055 we only had X-FORM (reg+reg) addressing for vectors. Also before
1056 ISA 3.0, we only had X-FORM addressing for scalars in the
1057 traditional Altivec registers.
1058
1059 2020-02-06 <zhongyunde@huawei.com>
1060 Vladimir Makarov <vmakarov@redhat.com>
1061
1062 PR rtl-optimization/93561
1063 * lra-assigns.c (spill_for): Check that tested hard regno is not out of
1064 hard register range.
1065
1066 2020-02-06 Richard Sandiford <richard.sandiford@arm.com>
1067
1068 * config/aarch64/aarch64.md (aarch64_movk<mode>): Add a type
1069 attribute.
1070
1071 2020-02-06 Segher Boessenkool <segher@kernel.crashing.org>
1072
1073 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Handle the case
1074 where the low and the high 32 bits are equal to each other specially,
1075 with an rldimi instruction.
1076
1077 2020-02-06 Mihail Ionescu <mihail.ionescu@arm.com>
1078
1079 * config/arm/arm-cpus.in: Set profile M for armv8.1-m.main.
1080
1081 2020-02-06 Mihail Ionescu <mihail.ionescu@arm.com>
1082
1083 * config/arm/arm-tables.opt: Regenerate.
1084
1085 2020-02-06 Richard Sandiford <richard.sandiford@arm.com>
1086
1087 PR target/87763
1088 * config/aarch64/aarch64-protos.h (aarch64_movk_shift): Declare.
1089 * config/aarch64/aarch64.c (aarch64_movk_shift): New function.
1090 * config/aarch64/aarch64.md (aarch64_movk<mode>): New pattern.
1091
1092 2020-02-06 Richard Sandiford <richard.sandiford@arm.com>
1093
1094 PR rtl-optimization/87763
1095 * config/aarch64/aarch64.md (*ashiftsi_extvdi_bfiz): New pattern.
1096
1097 2020-02-06 Delia Burduv <delia.burduv@arm.com>
1098
1099 * config/aarch64/aarch64-simd-builtins.def
1100 (bfmlaq): New built-in function.
1101 (bfmlalb): New built-in function.
1102 (bfmlalt): New built-in function.
1103 (bfmlalb_lane): New built-in function.
1104 (bfmlalt_lane): New built-in function.
1105 * config/aarch64/aarch64-simd.md
1106 (aarch64_bfmmlaqv4sf): New pattern.
1107 (aarch64_bfmlal<bt>v4sf): New pattern.
1108 (aarch64_bfmlal<bt>_lane<q>v4sf): New pattern.
1109 * config/aarch64/arm_neon.h (vbfmmlaq_f32): New intrinsic.
1110 (vbfmlalbq_f32): New intrinsic.
1111 (vbfmlaltq_f32): New intrinsic.
1112 (vbfmlalbq_lane_f32): New intrinsic.
1113 (vbfmlaltq_lane_f32): New intrinsic.
1114 (vbfmlalbq_laneq_f32): New intrinsic.
1115 (vbfmlaltq_laneq_f32): New intrinsic.
1116 * config/aarch64/iterators.md (BF_MLA): New int iterator.
1117 (bt): New int attribute.
1118
1119 2020-02-06 Uroš Bizjak <ubizjak@gmail.com>
1120
1121 * config/i386/i386.md (*pushtf): Emit "#" instead of
1122 calling gcc_unreachable in insn output.
1123 (*pushxf): Ditto.
1124 (*pushdf): Ditto.
1125 (*pushsf_rex64): Ditto for alternatives other than 1.
1126 (*pushsf): Ditto for alternatives other than 1.
1127
1128 2020-02-06 Martin Liska <mliska@suse.cz>
1129
1130 PR gcov-profile/91971
1131 PR gcov-profile/93466
1132 * coverage.c (coverage_init): Revert mangling of
1133 path into filename. It can lead to huge filename length.
1134 Creation of subfolders seem more natural.
1135
1136 2020-02-06 Stam Markianos-Wright <stam.markianos-wright@arm.com>
1137
1138 PR target/93300
1139 * config/arm/arm.c (arm_block_arith_comp_libfuncs_for_mode): New.
1140 (arm_init_libfuncs): Add BFmode support to block spurious BF libfuncs.
1141 Use arm_block_arith_comp_libfuncs_for_mode for HFmode.
1142
1143 2020-02-06 Jakub Jelinek <jakub@redhat.com>
1144
1145 PR target/93594
1146 * config/i386/predicates.md (avx_identity_operand): New predicate.
1147 * config/i386/sse.md (*avx_vec_concat<mode>_1): New
1148 define_insn_and_split.
1149
1150 PR libgomp/93515
1151 * omp-low.c (use_pointer_for_field): For nested constructs, also
1152 look for map clauses on target construct.
1153 (scan_omp_1_stmt) <case GIMPLE_OMP_TARGET>: Bump temporarily
1154 taskreg_nesting_level.
1155
1156 PR libgomp/93515
1157 * gimplify.c (gimplify_scan_omp_clauses) <do_notice>: If adding
1158 shared clause, call omp_notice_variable on outer context if any.
1159
1160 2020-02-05 Jason Merrill <jason@redhat.com>
1161
1162 PR c++/92003
1163 * symtab.c (symtab_node::nonzero_address): A DECL_COMDAT decl has
1164 non-zero address even if weak and not yet defined.
1165
1166 2020-02-05 Martin Sebor <msebor@redhat.com>
1167
1168 PR tree-optimization/92765
1169 * gimple-fold.c (get_range_strlen_tree): Handle MEM_REF and PARM_DECL.
1170 * tree-ssa-strlen.c (compute_string_length): Remove.
1171 (determine_min_objsize): Remove.
1172 (get_len_or_size): Add an argument. Call get_range_strlen_dynamic.
1173 Avoid using type size as the upper bound on string length.
1174 (handle_builtin_string_cmp): Add an argument. Adjust.
1175 (strlen_check_and_optimize_call): Pass additional argument to
1176 handle_builtin_string_cmp.
1177
1178 2020-02-05 Uroš Bizjak <ubizjak@gmail.com>
1179
1180 * config/i386/i386.md (*pushdi2_rex64 peephole2): Remove.
1181 (*pushdi2_rex64 peephole2): Unconditionally split after
1182 epilogue_completed.
1183 (*ashl<mode>3_doubleword): Ditto.
1184 (*<shift_insn><mode>3_doubleword): Ditto.
1185
1186 2020-02-05 Michael Meissner <meissner@linux.ibm.com>
1187
1188 PR target/93568
1189 * config/rs6000/rs6000.c (get_vector_offset): Fix
1190
1191 2020-02-05 Andrew Stubbs <ams@codesourcery.com>
1192
1193 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Use / not space.
1194
1195 2020-02-05 David Malcolm <dmalcolm@redhat.com>
1196
1197 * doc/analyzer.texi
1198 (Special Functions for Debugging the Analyzer): Update description
1199 of __analyzer_dump_exploded_nodes.
1200
1201 2020-02-05 Jakub Jelinek <jakub@redhat.com>
1202
1203 PR target/92190
1204 * config/i386/i386-features.c (ix86_add_reg_usage_to_vzeroupper): Only
1205 include sets and not clobbers in the vzeroupper pattern.
1206 * config/i386/sse.md (*avx_vzeroupper): Require in insn condition that
1207 the parallel has 17 (64-bit) or 9 (32-bit) elts.
1208 (*avx_vzeroupper_1): New define_insn_and_split.
1209
1210 PR target/92190
1211 * recog.c (pass_split_after_reload::gate): For STACK_REGS targets,
1212 don't run when !optimize.
1213 (pass_split_before_regstack::gate): For STACK_REGS targets, run even
1214 when !optimize.
1215
1216 2020-02-05 Richard Biener <rguenther@suse.de>
1217
1218 PR middle-end/90648
1219 * genmatch.c (dt_node::gen_kids_1): Emit number of argument
1220 checks before matching calls.
1221
1222 2020-02-05 Jakub Jelinek <jakub@redhat.com>
1223
1224 * tree-ssa-alias.c (aliasing_matching_component_refs_p): Fix up
1225 function comment typo.
1226
1227 PR middle-end/93555
1228 * omp-simd-clone.c (expand_simd_clones): If simd_clone_mangle or
1229 simd_clone_create failed when i == 0, adjust clone->nargs by
1230 clone->inbranch.
1231
1232 2020-02-05 Martin Liska <mliska@suse.cz>
1233
1234 PR c++/92717
1235 * doc/invoke.texi: Document that one should
1236 not combine ASLR and -fpch.
1237
1238 2020-02-04 Richard Biener <rguenther@suse.de>
1239
1240 PR tree-optimization/93538
1241 * match.pd (addr EQ/NE ptr): Amend to handle &ptr->x EQ/NE ptr.
1242
1243 2020-02-04 Richard Biener <rguenther@suse.de>
1244
1245 PR tree-optimization/91123
1246 * tree-ssa-sccvn.c (vn_walk_cb_data::finish): New method.
1247 (vn_walk_cb_data::last_vuse): New member.
1248 (vn_walk_cb_data::saved_operands): Likewsie.
1249 (vn_walk_cb_data::~vn_walk_cb_data): Release saved_operands.
1250 (vn_walk_cb_data::push_partial_def): Use finish.
1251 (vn_reference_lookup_2): Update last_vuse and use finish if
1252 we've saved operands.
1253 (vn_reference_lookup_3): Use finish and update calls to
1254 push_partial_defs everywhere. When translating through
1255 memcpy or aggregate copies save off operands and alias-set.
1256 (eliminate_dom_walker::eliminate_stmt): Restore VN_WALKREWRITE
1257 operation for redundant store removal.
1258
1259 2020-02-04 Richard Biener <rguenther@suse.de>
1260
1261 PR tree-optimization/92819
1262 * tree-ssa-forwprop.c (simplify_vector_constructor): Avoid
1263 generating more stmts than before.
1264
1265 2020-02-04 Martin Liska <mliska@suse.cz>
1266
1267 * config/arm/arm.c (arm_gen_far_branch): Move the function
1268 outside of selftests.
1269
1270 2020-02-03 Michael Meissner <meissner@linux.ibm.com>
1271
1272 * config/rs6000/rs6000.c (adjust_vec_address_pcrel): New helper
1273 function to adjust PC-relative vector addresses.
1274 (rs6000_adjust_vec_address): Call adjust_vec_address_pcrel to
1275 handle vectors with PC-relative addresses.
1276
1277 2020-02-03 Michael Meissner <meissner@linux.ibm.com>
1278
1279 * config/rs6000/rs6000.c (reg_to_non_prefixed): Add forward
1280 reference.
1281 (hard_reg_and_mode_to_addr_mask): Delete.
1282 (rs6000_adjust_vec_address): If the original vector address
1283 was REG+REG or REG+OFFSET and the element is not zero, do the add
1284 of the elements in the original address before adding the offset
1285 for the vector element. Use address_to_insn_form to validate the
1286 address using the register being loaded, rather than guessing
1287 whether the address is a DS-FORM or DQ-FORM address.
1288
1289 2020-02-03 Michael Meissner <meissner@linux.ibm.com>
1290
1291 * config/rs6000/rs6000.c (get_vector_offset): New helper function
1292 to calculate the offset in memory from the start of a vector of a
1293 particular element. Add code to keep the element number in
1294 bounds if the element number is variable.
1295 (rs6000_adjust_vec_address): Move calculation of offset of the
1296 vector element to get_vector_offset.
1297 (rs6000_split_vec_extract_var): Do not do the initial AND of
1298 element here, move the code to get_vector_offset.
1299
1300 2020-02-03 Michael Meissner <meissner@linux.ibm.com>
1301
1302 * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add some
1303 gcc_asserts.
1304
1305 2020-02-03 Segher Boessenkool <segher@kernel.crashing.org>
1306
1307 * config/rs6000/constraints.md: Improve documentation.
1308
1309 2020-02-03 Richard Earnshaw <rearnsha@arm.com>
1310
1311 PR target/93548
1312 * config/arm/t-arm: ($(srcdir)/config/arm/arm-tune.md)
1313 ($(srcdir)/config/arm/arm-tables.opt): Use move-if-change.
1314
1315 2020-02-03 Andrew Stubbs <ams@codesourcery.com>
1316
1317 * config.gcc: Remove "carrizo" support.
1318 * config/gcn/gcn-opts.h (processor_type): Likewise.
1319 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Likewise.
1320 * config/gcn/gcn.opt (gpu_type): Likewise.
1321 * config/gcn/t-omp-device: Likewise.
1322
1323 2020-02-03 Stam Markianos-Wright <stam.markianos-wright@arm.com>
1324
1325 PR target/91816
1326 * config/arm/arm-protos.h: New function arm_gen_far_branch prototype.
1327 * config/arm/arm.c (arm_gen_far_branch): New function
1328 arm_gen_far_branch.
1329 * config/arm/arm.md: Update b<cond> for Thumb2 range checks.
1330
1331 2020-02-03 Julian Brown <julian@codesourcery.com>
1332 Tobias Burnus <tobias@codesourcery.com>
1333
1334 * doc/invoke.texi: Update mention of OpenACC version to 2.6.
1335
1336 2020-02-03 Jakub Jelinek <jakub@redhat.com>
1337
1338 PR target/93533
1339 * config/s390/s390.md (popcounthi2_z196): Fix up expander to emit
1340 valid RTL to sum up the lowest and second lowest bytes of the popcnt
1341 result.
1342
1343 2020-02-02 Vladimir Makarov <vmakarov@redhat.com>
1344
1345 PR rtl-optimization/91333
1346 * ira-color.c (struct allocno_color_data): Add member
1347 hard_reg_prefs.
1348 (init_allocno_threads): Set the member up.
1349 (bucket_allocno_compare_func): Add compare hard reg
1350 prefs.
1351
1352 2020-01-31 Sandra Loosemore <sandra@codesourcery.com>
1353
1354 nios2: Support for GOT-relative DW_EH_PE_datarel encoding.
1355
1356 * configure.ac [nios2-*-*]: Check HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1357 * config.in: Regenerated.
1358 * configure: Regenerated.
1359 * config/nios2/nios2.h (ASM_PREFERRED_EH_DATA_FORMAT): Fix handling
1360 for PIC when HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1361 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1362
1363 2020-02-01 Andrew Burgess <andrew.burgess@embecosm.com>
1364
1365 * configure: Regenerate.
1366
1367 2020-01-31 Vladimir Makarov <vmakarov@redhat.com>
1368
1369 PR rtl-optimization/91333
1370 * ira-color.c (bucket_allocno_compare_func): Move conflict hard
1371 reg preferences comparison up.
1372
1373 2020-01-31 Richard Sandiford <richard.sandiford@arm.com>
1374
1375 * config/aarch64/aarch64.h (TARGET_SVE_BF16): New macro.
1376 * config/aarch64/aarch64-sve-builtins-sve2.h (svcvtnt): Move to
1377 aarch64-sve-builtins-base.h.
1378 * config/aarch64/aarch64-sve-builtins-sve2.cc (svcvtnt): Move to
1379 aarch64-sve-builtins-base.cc.
1380 * config/aarch64/aarch64-sve-builtins-base.h (svbfdot, svbfdot_lane)
1381 (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1382 (svcvtnt): Declare.
1383 * config/aarch64/aarch64-sve-builtins-base.cc (svbfdot, svbfdot_lane)
1384 (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1385 (svcvtnt): New functions.
1386 * config/aarch64/aarch64-sve-builtins-base.def (svbfdot, svbfdot_lane)
1387 (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1388 (svcvtnt): New functions.
1389 (svcvt): Add a form that converts f32 to bf16.
1390 * config/aarch64/aarch64-sve-builtins-shapes.h (ternary_bfloat)
1391 (ternary_bfloat_lane, ternary_bfloat_lanex2, ternary_bfloat_opt_n):
1392 Declare.
1393 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_element_type):
1394 Treat B as bfloat16_t.
1395 (ternary_bfloat_lane_base): New class.
1396 (ternary_bfloat_def): Likewise.
1397 (ternary_bfloat): New shape.
1398 (ternary_bfloat_lane_def): New class.
1399 (ternary_bfloat_lane): New shape.
1400 (ternary_bfloat_lanex2_def): New class.
1401 (ternary_bfloat_lanex2): New shape.
1402 (ternary_bfloat_opt_n_def): New class.
1403 (ternary_bfloat_opt_n): New shape.
1404 * config/aarch64/aarch64-sve-builtins.cc (TYPES_cvt_bfloat): New macro.
1405 * config/aarch64/aarch64-sve.md (@aarch64_sve_<sve_fp_op>vnx4sf)
1406 (@aarch64_sve_<sve_fp_op>_lanevnx4sf): New patterns.
1407 (@aarch64_sve_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>)
1408 (@cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1409 (*cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1410 (@aarch64_sve_cvtnt<VNx8BF_ONLY:mode>): Likewise.
1411 * config/aarch64/aarch64-sve2.md (@aarch64_sve2_cvtnt<mode>): Key
1412 the pattern off the narrow mode instead of the wider one.
1413 * config/aarch64/iterators.md (VNx8BF_ONLY): New mode iterator.
1414 (UNSPEC_BFMLALB, UNSPEC_BFMLALT, UNSPEC_BFMMLA): New unspecs.
1415 (sve_fp_op): Handle them.
1416 (SVE_BFLOAT_TERNARY_LONG): New int itertor.
1417 (SVE_BFLOAT_TERNARY_LONG_LANE): Likewise.
1418
1419 2020-01-31 Richard Sandiford <richard.sandiford@arm.com>
1420
1421 * config/aarch64/arm_sve.h: Include arm_bf16.h.
1422 * config/aarch64/aarch64-modes.def (BF): Move definition before
1423 VECTOR_MODES. Remove separate VECTOR_MODES for V4BF and V8BF.
1424 (SVE_MODES): Handle BF modes.
1425 * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
1426 BF modes.
1427 (aarch64_full_sve_mode): Likewise.
1428 * config/aarch64/iterators.md (SVE_STRUCT): Add VNx16BF, VNx24BF
1429 and VNx32BF.
1430 (SVE_FULL, SVE_FULL_HSD, SVE_ALL): Add VNx8BF.
1431 (Vetype, Vesize, Vctype, VEL, Vel, VEL_INT, V128, v128, vwcore)
1432 (V_INT_EQUIV, v_int_equiv, V_FP_EQUIV, v_fp_equiv, vector_count)
1433 (insn_length, VSINGLE, vsingle, VPRED, vpred, VDOUBLE): Handle the
1434 new SVE BF modes.
1435 * config/aarch64/aarch64-sve-builtins.h (TYPE_bfloat): New
1436 type_class_index.
1437 * config/aarch64/aarch64-sve-builtins.cc (TYPES_all_arith): New macro.
1438 (TYPES_all_data): Add bf16.
1439 (TYPES_reinterpret1, TYPES_reinterpret): Likewise.
1440 (register_tuple_type): Increase buffer size.
1441 * config/aarch64/aarch64-sve-builtins.def (svbfloat16_t): New type.
1442 (bf16): New type suffix.
1443 * config/aarch64/aarch64-sve-builtins-base.def (svabd, svadd, svaddv)
1444 (svcmpeq, svcmpge, svcmpgt, svcmple, svcmplt, svcmpne, svmad, svmax)
1445 (svmaxv, svmin, svminv, svmla, svmls, svmsb, svmul, svsub, svsubr):
1446 Change type from all_data to all_arith.
1447 * config/aarch64/aarch64-sve-builtins-sve2.def (svaddp, svmaxp)
1448 (svminp): Likewise.
1449
1450 2020-01-31 Dennis Zhang <dennis.zhang@arm.com>
1451 Matthew Malcomson <matthew.malcomson@arm.com>
1452 Richard Sandiford <richard.sandiford@arm.com>
1453
1454 * doc/invoke.texi (f32mm): Document new AArch64 -march= extension.
1455 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Define
1456 __ARM_FEATURE_SVE_MATMUL_INT8, __ARM_FEATURE_SVE_MATMUL_FP32 and
1457 __ARM_FEATURE_SVE_MATMUL_FP64 as appropriate. Don't define
1458 __ARM_FEATURE_MATMUL_FP64.
1459 * config/aarch64/aarch64-option-extensions.def (fp, simd, fp16)
1460 (sve): Add AARCH64_FL_F32MM to the list of extensions that should
1461 be disabled at the same time.
1462 (f32mm): New extension.
1463 * config/aarch64/aarch64.h (AARCH64_FL_F32MM): New macro.
1464 (AARCH64_FL_F64MM): Bump to the next bit up.
1465 (AARCH64_ISA_F32MM, TARGET_SVE_I8MM, TARGET_F32MM, TARGET_SVE_F32MM)
1466 (TARGET_SVE_F64MM): New macros.
1467 * config/aarch64/iterators.md (SVE_MATMULF): New mode iterator.
1468 (UNSPEC_FMMLA, UNSPEC_SMATMUL, UNSPEC_UMATMUL, UNSPEC_USMATMUL)
1469 (UNSPEC_TRN1Q, UNSPEC_TRN2Q, UNSPEC_UZP1Q, UNSPEC_UZP2Q, UNSPEC_ZIP1Q)
1470 (UNSPEC_ZIP2Q): New unspeccs.
1471 (DOTPROD_US_ONLY, PERMUTEQ, MATMUL, FMMLA): New int iterators.
1472 (optab, sur, perm_insn): Handle the new unspecs.
1473 (sve_fp_op): Handle UNSPEC_FMMLA. Resort.
1474 * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use
1475 TARGET_SVE_F64MM instead of separate tests.
1476 (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod<vsi2qi>): New pattern.
1477 (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod_lane<vsi2qi>): Likewise.
1478 (@aarch64_sve_add_<MATMUL:optab><vsi2qi>): Likewise.
1479 (@aarch64_sve_<FMMLA:sve_fp_op><mode>): Likewise.
1480 (@aarch64_sve_<PERMUTEQ:optab><mode>): Likewise.
1481 * config/aarch64/aarch64-sve-builtins.cc (TYPES_s_float): New macro.
1482 (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): Use it.
1483 (TYPES_s_signed): New macro.
1484 (TYPES_s_integer): Use it.
1485 (TYPES_d_float): New macro.
1486 (TYPES_d_data): Use it.
1487 * config/aarch64/aarch64-sve-builtins-shapes.h (mmla): Declare.
1488 (ternary_intq_uintq_lane, ternary_intq_uintq_opt_n, ternary_uintq_intq)
1489 (ternary_uintq_intq_lane, ternary_uintq_intq_opt_n): Likewise.
1490 * config/aarch64/aarch64-sve-builtins-shapes.cc (mmla_def): New class.
1491 (svmmla): New shape.
1492 (ternary_resize2_opt_n_base): Add TYPE_CLASS2 and TYPE_CLASS3
1493 template parameters.
1494 (ternary_resize2_lane_base): Likewise.
1495 (ternary_resize2_base): New class.
1496 (ternary_qq_lane_base): Likewise.
1497 (ternary_intq_uintq_lane_def): Likewise.
1498 (ternary_intq_uintq_lane): New shape.
1499 (ternary_intq_uintq_opt_n_def): New class
1500 (ternary_intq_uintq_opt_n): New shape.
1501 (ternary_qq_lane_def): Inherit from ternary_qq_lane_base.
1502 (ternary_uintq_intq_def): New class.
1503 (ternary_uintq_intq): New shape.
1504 (ternary_uintq_intq_lane_def): New class.
1505 (ternary_uintq_intq_lane): New shape.
1506 (ternary_uintq_intq_opt_n_def): New class.
1507 (ternary_uintq_intq_opt_n): New shape.
1508 * config/aarch64/aarch64-sve-builtins-base.h (svmmla, svsudot)
1509 (svsudot_lane, svtrn1q, svtrn2q, svusdot, svusdot_lane, svusmmla)
1510 (svuzp1q, svuzp2q, svzip1q, svzip2q): Declare.
1511 * config/aarch64/aarch64-sve-builtins-base.cc (svdot_lane_impl):
1512 Generalize to...
1513 (svdotprod_lane_impl): ...this new class.
1514 (svmmla_impl, svusdot_impl): New classes.
1515 (svdot_lane): Update to use svdotprod_lane_impl.
1516 (svmmla, svsudot, svsudot_lane, svtrn1q, svtrn2q, svusdot)
1517 (svusdot_lane, svusmmla, svuzp1q, svuzp2q, svzip1q, svzip2q): New
1518 functions.
1519 * config/aarch64/aarch64-sve-builtins-base.def (svmmla): New base
1520 function, with no types defined.
1521 (svmmla, svusmmla, svsudot, svsudot_lane, svusdot, svusdot_lane): New
1522 AARCH64_FL_I8MM functions.
1523 (svmmla): New AARCH64_FL_F32MM function.
1524 (svld1ro): Depend only on AARCH64_FL_F64MM, not on AARCH64_FL_V8_6.
1525 (svmmla, svtrn1q, svtrn2q, svuz1q, svuz2q, svzip1q, svzip2q): New
1526 AARCH64_FL_F64MM function.
1527 (REQUIRED_EXTENSIONS):
1528
1529 2020-01-31 Andrew Stubbs <ams@codesourcery.com>
1530
1531 * config/gcn/gcn-valu.md (addv64di3_exec): Allow one '0' in each
1532 alternative only.
1533
1534 2020-01-31 Uroš Bizjak <ubizjak@gmail.com>
1535
1536 * config/i386/i386.md (*movoi_internal_avx): Do not check for
1537 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL. Remove MODE_V8SF handling.
1538 (*movti_internal): Do not check for
1539 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1540 (*movtf_internal): Move check for TARGET_SSE2 and size optimization
1541 just after check for TARGET_AVX.
1542 (*movdf_internal): Ditto.
1543 * config/i386/mmx.md (*mov<mode>_internal): Do not check for
1544 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1545 * config/i386/sse.md (mov<mode>_internal): Only check
1546 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL with V2DFmode. Move check
1547 for TARGET_SSE2 and size optimization just after check for TARGET_AVX.
1548 (<sse>_andnot<mode>3<mask_name>): Move check for
1549 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL after check for TARGET_AVX.
1550 (<code><mode>3<mask_name>): Ditto.
1551 (*andnot<mode>3): Ditto.
1552 (*andnottf3): Ditto.
1553 (*<code><mode>3): Ditto.
1554 (*<code>tf3): Ditto.
1555 (*andnot<VI:mode>3): Remove
1556 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling.
1557 (<mask_codefor><code><VI48_AVX_AVX512F:mode>3<mask_name>): Ditto.
1558 (*<code><VI12_AVX_AVX512F:mode>3): Ditto.
1559 (sse4_1_blendv<ssemodesuffix>): Ditto.
1560 * config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL):
1561 Explain that tune applies to 128bit instructions only.
1562
1563 2020-01-31 Kwok Cheung Yeung <kcy@codesourcery.com>
1564
1565 * config/gcn/mkoffload.c (process_asm): Add sgpr_count and vgpr_count
1566 to definition of hsa_kernel_description. Parse assembly to find SGPR
1567 and VGPR count of kernel and store in hsa_kernel_description.
1568
1569 2020-01-31 Tamar Christina <tamar.christina@arm.com>
1570
1571 PR rtl-optimization/91838
1572 * simplify-rtx.c (simplify_binary_operation_1): Update LSHIFTRT case
1573 to truncate if allowed or reject combination.
1574
1575 2020-01-31 Andrew Stubbs <ams@codesourcery.com>
1576
1577 * tree-ssa-loop-ivopts.c (get_iv): Use sizetype for zero-step.
1578 (find_inv_vars_cb): Likewise.
1579
1580 2020-01-31 David Malcolm <dmalcolm@redhat.com>
1581
1582 * calls.c (special_function_p): Split out the check for DECL_NAME
1583 being non-NULL and fndecl being extern at file scope into a
1584 new maybe_special_function_p and call it. Drop check for fndecl
1585 being non-NULL that was after a usage of DECL_NAME (fndecl).
1586 * tree.h (maybe_special_function_p): New inline function.
1587
1588 2020-01-30 Andrew Stubbs <ams@codesourcery.com>
1589
1590 * config/gcn/gcn-valu.md (gather<mode>_exec): Move contents ...
1591 (mask_gather_load<mode>): ... here, and zero-initialize the
1592 destination.
1593 (maskload<mode>di): Zero-initialize the destination.
1594 * config/gcn/gcn.c:
1595
1596 2020-01-30 David Malcolm <dmalcolm@redhat.com>
1597
1598 PR analyzer/93356
1599 * doc/analyzer.texi (Limitations): Note that constraints on
1600 floating-point values are currently ignored.
1601
1602 2020-01-30 Jakub Jelinek <jakub@redhat.com>
1603
1604 PR lto/93384
1605 * symtab.c (symtab_node::noninterposable_alias): If localalias
1606 already exists, but is not usable, append numbers after it until
1607 a unique name is found. Formatting fix.
1608
1609 PR middle-end/93505
1610 * combine.c (simplify_comparison) <case ROTATE>: Punt on out of range
1611 rotate counts.
1612
1613 2020-01-30 Andrew Stubbs <ams@codesourcery.com>
1614
1615 * config/gcn/gcn.c (print_operand): Handle LTGT.
1616 * config/gcn/predicates.md (gcn_fp_compare_operator): Allow ltgt.
1617
1618 2020-01-30 Richard Biener <rguenther@suse.de>
1619
1620 * tree-pretty-print.c (dump_generic_node): Wrap VECTOR_CST
1621 and CONSTRUCTOR in _Literal (type) with TDF_GIMPLE.
1622
1623 2020-01-30 John David Anglin <danglin@gcc.gnu.org>
1624
1625 * config/pa/pa.c (pa_elf_select_rtx_section): Place function pointers
1626 without a DECL in .data.rel.ro.local.
1627
1628 2020-01-30 Jakub Jelinek <jakub@redhat.com>
1629
1630 PR target/93494
1631 * config/arm/arm.md (uaddvdi4): Actually emit what gen_uaddvsi4
1632 returned.
1633
1634 PR target/91824
1635 * config/i386/sse.md
1636 (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext): Renamed to ...
1637 (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext): ... this. Use
1638 any_extend code iterator instead of always zero_extend.
1639 (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_lt): Renamed to ...
1640 (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_lt): ... this.
1641 Use any_extend code iterator instead of always zero_extend.
1642 (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_shift): Renamed to ...
1643 (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_shift): ... this.
1644 Use any_extend code iterator instead of always zero_extend.
1645 (*sse2_pmovmskb_ext): New define_insn.
1646 (*sse2_pmovmskb_ext_lt): New define_insn_and_split.
1647
1648 PR target/91824
1649 * config/i386/i386.md (*popcountsi2_zext): New define_insn_and_split.
1650 (*popcountsi2_zext_falsedep): New define_insn.
1651
1652 2020-01-30 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
1653
1654 * config.in: Regenerated.
1655 * configure: Regenerated.
1656
1657 2020-01-29 Tobias Burnus <tobias@codesourcery.com>
1658
1659 PR bootstrap/93409
1660 * config/gcn/gcn-hsa.h (ASM_SPEC): Add -mattr=-code-object-v3 as
1661 LLVM's assembler changed the default in version 9.
1662
1663 2020-01-24 Jeff Law <law@redhat.com>
1664
1665 PR tree-optimization/89689
1666 * builtins.def (BUILT_IN_OBJECT_SIZE): Make it const rather than pure.
1667
1668 2020-01-29 Richard Sandiford <richard.sandiford@arm.com>
1669
1670 Revert:
1671
1672 2020-01-28 Richard Sandiford <richard.sandiford@arm.com>
1673
1674 PR rtl-optimization/87763
1675 * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
1676 simplification to handle subregs as well as bare regs.
1677 * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
1678
1679 2020-01-29 Joel Hutton <Joel.Hutton@arm.com>
1680
1681 PR target/93221
1682 * ira.c (ira): Revert use of simplified LRA algorithm.
1683
1684 2020-01-29 Martin Jambor <mjambor@suse.cz>
1685
1686 PR tree-optimization/92706
1687 * tree-sra.c (struct access): Fields first_link, last_link,
1688 next_queued and grp_queued renamed to first_rhs_link, last_rhs_link,
1689 next_rhs_queued and grp_rhs_queued respectively, new fields
1690 first_lhs_link, last_lhs_link, next_lhs_queued and grp_lhs_queued.
1691 (struct assign_link): Field next renamed to next_rhs, new field
1692 next_lhs. Updated comment.
1693 (work_queue_head): Renamed to rhs_work_queue_head.
1694 (lhs_work_queue_head): New variable.
1695 (add_link_to_lhs): New function.
1696 (relink_to_new_repr): Also relink LHS lists.
1697 (add_access_to_work_queue): Renamed to add_access_to_rhs_work_queue.
1698 (add_access_to_lhs_work_queue): New function.
1699 (pop_access_from_work_queue): Renamed to
1700 pop_access_from_rhs_work_queue.
1701 (pop_access_from_lhs_work_queue): New function.
1702 (build_accesses_from_assign): Also add links to LHS lists and to LHS
1703 work_queue.
1704 (child_would_conflict_in_lacc): Renamed to
1705 child_would_conflict_in_acc. Adjusted parameter names.
1706 (create_artificial_child_access): New parameter set_grp_read, use it.
1707 (subtree_mark_written_and_enqueue): Renamed to
1708 subtree_mark_written_and_rhs_enqueue.
1709 (propagate_subaccesses_across_link): Renamed to
1710 propagate_subaccesses_from_rhs.
1711 (propagate_subaccesses_from_lhs): New function.
1712 (propagate_all_subaccesses): Also propagate subaccesses from LHSs to
1713 RHSs.
1714
1715 2020-01-29 Martin Jambor <mjambor@suse.cz>
1716
1717 PR tree-optimization/92706
1718 * tree-sra.c (struct access): Adjust comment of
1719 grp_total_scalarization.
1720 (find_access_in_subtree): Look for single children spanning an entire
1721 access.
1722 (scalarizable_type_p): Allow register accesses, adjust callers.
1723 (completely_scalarize): Remove function.
1724 (scalarize_elem): Likewise.
1725 (create_total_scalarization_access): Likewise.
1726 (sort_and_splice_var_accesses): Do not track total scalarization
1727 flags.
1728 (analyze_access_subtree): New parameter totally, adjust to new meaning
1729 of grp_total_scalarization.
1730 (analyze_access_trees): Pass new parameter to analyze_access_subtree.
1731 (can_totally_scalarize_forest_p): New function.
1732 (create_total_scalarization_access): Likewise.
1733 (create_total_access_and_reshape): Likewise.
1734 (total_should_skip_creating_access): Likewise.
1735 (totally_scalarize_subtree): Likewise.
1736 (analyze_all_variable_accesses): Perform total scalarization after
1737 subaccess propagation using the new functions above.
1738 (initialize_constant_pool_replacements): Output initializers by
1739 traversing the access tree.
1740
1741 2020-01-29 Martin Jambor <mjambor@suse.cz>
1742
1743 * tree-sra.c (verify_sra_access_forest): New function.
1744 (verify_all_sra_access_forests): Likewise.
1745 (create_artificial_child_access): Set parent.
1746 (analyze_all_variable_accesses): Call the verifier.
1747
1748 2020-01-28 Jan Hubicka <hubicka@ucw.cz>
1749
1750 * cgraph.c (cgraph_edge::resolve_speculation): Only lookup direct edge
1751 if called on indirect edge.
1752 (cgraph_edge::redirect_call_stmt_to_callee): Lookup indirect edge of
1753 speculative call if needed.
1754
1755 2020-01-29 Richard Biener <rguenther@suse.de>
1756
1757 PR tree-optimization/93428
1758 * tree-vect-slp.c (vect_build_slp_tree_2): Compute the load
1759 permutation when the load node is created.
1760 (vect_analyze_slp_instance): Re-use it here.
1761
1762 2020-01-28 Jan Hubicka <hubicka@ucw.cz>
1763
1764 * ipa-prop.c (update_indirect_edges_after_inlining): Fix warning.
1765
1766 2020-01-28 Vladimir Makarov <vmakarov@redhat.com>
1767
1768 PR rtl-optimization/93272
1769 * ira-lives.c (process_out_of_region_eh_regs): New function.
1770 (process_bb_node_lives): Call it.
1771
1772 2020-01-28 Jan Hubicka <hubicka@ucw.cz>
1773
1774 * coverage.c (read_counts_file): Make error message lowercase.
1775
1776 2020-01-28 Jan Hubicka <hubicka@ucw.cz>
1777
1778 * profile-count.c (profile_quality_display_names): Fix ordering.
1779
1780 2020-01-28 Jan Hubicka <hubicka@ucw.cz>
1781
1782 PR lto/93318
1783 * cgraph.c (cgraph_add_edge_to_call_site_hash): Update call site
1784 hash only when edge is first within the sequence.
1785 (cgraph_edge::set_call_stmt): Update handling of speculative calls.
1786 (symbol_table::create_edge): Do not set target_prob.
1787 (cgraph_edge::remove_caller): Watch for speculative calls when updating
1788 the call site hash.
1789 (cgraph_edge::make_speculative): Drop target_prob parameter.
1790 (cgraph_edge::speculative_call_info): Remove.
1791 (cgraph_edge::first_speculative_call_target): New member function.
1792 (update_call_stmt_hash_for_removing_direct_edge): New function.
1793 (cgraph_edge::resolve_speculation): Rewrite to new API.
1794 (cgraph_edge::speculative_call_for_target): New member function.
1795 (cgraph_edge::make_direct): Rewrite to new API; fix handling of
1796 multiple speculation targets.
1797 (cgraph_edge::redirect_call_stmt_to_callee): Likewise; fix updating
1798 of profile.
1799 (verify_speculative_call): Verify that targets form an interval.
1800 * cgraph.h (cgraph_edge::speculative_call_info): Remove.
1801 (cgraph_edge::first_speculative_call_target): New member function.
1802 (cgraph_edge::next_speculative_call_target): New member function.
1803 (cgraph_edge::speculative_call_target_ref): New member function.
1804 (cgraph_edge;:speculative_call_indirect_edge): New member funtion.
1805 (cgraph_edge): Remove target_prob.
1806 * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
1807 Fix handling of speculative calls.
1808 * ipa-devirt.c (ipa_devirt): Fix handling of speculative cals.
1809 * ipa-fnsummary.c (analyze_function_body): Likewise.
1810 * ipa-inline.c (speculation_useful_p): Use new speculative call API.
1811 * ipa-profile.c (dump_histogram): Fix formating.
1812 (ipa_profile_generate_summary): Watch for overflows.
1813 (ipa_profile): Do not require probablity to be 1/2; update to new API.
1814 * ipa-prop.c (ipa_make_edge_direct_to_target): Update to new API.
1815 (update_indirect_edges_after_inlining): Update to new API.
1816 * ipa-utils.c (ipa_merge_profiles): Rewrite merging of speculative call
1817 profiles.
1818 * profile-count.h: (profile_probability::adjusted): New.
1819 * tree-inline.c (copy_bb): Update to new speculative call API; fix
1820 updating of profile.
1821 * value-prof.c (gimple_ic_transform): Rename to ...
1822 (dump_ic_profile): ... this one; update dumping.
1823 (stream_in_histogram_value): Fix formating.
1824 (gimple_value_profile_transformations): Update.
1825
1826 2020-01-28 H.J. Lu <hongjiu.lu@intel.com>
1827
1828 PR target/91461
1829 * config/i386/i386.md (*movoi_internal_avx): Remove
1830 TARGET_SSE_TYPELESS_STORES check.
1831 (*movti_internal): Prefer TARGET_AVX over
1832 TARGET_SSE_TYPELESS_STORES.
1833 (*movtf_internal): Likewise.
1834 * config/i386/sse.md (mov<mode>_internal): Prefer TARGET_AVX over
1835 TARGET_SSE_TYPELESS_STORES. Remove "<MODE_SIZE> == 16" check
1836 from TARGET_SSE_TYPELESS_STORES.
1837
1838 2020-01-28 David Malcolm <dmalcolm@redhat.com>
1839
1840 * diagnostic-core.h (warning_at): Rename overload to...
1841 (warning_meta): ...this.
1842 (emit_diagnostic_valist): Delete decl of overload taking
1843 diagnostic_metadata.
1844 * diagnostic.c (emit_diagnostic_valist): Likewise for defn.
1845 (warning_at): Rename overload taking diagnostic_metadata to...
1846 (warning_meta): ...this.
1847
1848 2020-01-28 Richard Biener <rguenther@suse.de>
1849
1850 PR tree-optimization/93439
1851 * tree-parloops.c (create_loop_fn): Move clique bookkeeping...
1852 * tree-cfg.c (move_sese_region_to_fn): ... here.
1853 (verify_types_in_gimple_reference): Verify used cliques are
1854 tracked.
1855
1856 2020-01-28 H.J. Lu <hongjiu.lu@intel.com>
1857
1858 PR target/91399
1859 * config/i386/i386-options.c (set_ix86_tune_features): Add an
1860 argument of a pointer to struct gcc_options and pass it to
1861 parse_mtune_ctrl_str.
1862 (ix86_function_specific_restore): Pass opts to
1863 set_ix86_tune_features.
1864 (ix86_option_override_internal): Likewise.
1865 (parse_mtune_ctrl_str): Add an argument of a pointer to struct
1866 gcc_options and use it for x_ix86_tune_ctrl_string.
1867
1868 2020-01-28 Richard Sandiford <richard.sandiford@arm.com>
1869
1870 PR rtl-optimization/87763
1871 * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
1872 simplification to handle subregs as well as bare regs.
1873 * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
1874
1875 2020-01-28 Richard Sandiford <richard.sandiford@arm.com>
1876
1877 * tree-vect-loop.c (vectorizable_reduction): Fail gracefully
1878 for reduction chains that (now) include a call.
1879
1880 2020-01-28 Richard Sandiford <richard.sandiford@arm.com>
1881
1882 PR tree-optimization/92822
1883 * tree-ssa-forwprop.c (simplify_vector_constructor): When filling
1884 out the don't-care elements of a vector whose significant elements
1885 are duplicates, make the don't-care elements duplicates too.
1886
1887 2020-01-28 Richard Sandiford <richard.sandiford@arm.com>
1888
1889 PR tree-optimization/93434
1890 * tree-predcom.c (split_data_refs_to_components): Record which
1891 components have had aliasing loads removed. Prevent store-store
1892 commoning for all such components.
1893
1894 2020-01-28 Jakub Jelinek <jakub@redhat.com>
1895
1896 PR target/93418
1897 * config/i386/i386.c (ix86_fold_builtin) <do_shift>: If mask is not
1898 -1 or is_vshift is true, use new_vector with number of elts npatterns
1899 rather than new_unary_operation.
1900
1901 PR tree-optimization/93454
1902 * gimple-fold.c (fold_array_ctor_reference): Perform
1903 elt_size.to_uhwi () just once, instead of calling it in every
1904 iteration. Punt if that value is above size of the temporary
1905 buffer. Decrease third native_encode_expr argument when
1906 bufoff + elt_sz is above size of buf.
1907
1908 2020-01-27 Joseph Myers <joseph@codesourcery.com>
1909
1910 * config/mips/mips.c (mips_declare_object_name)
1911 [USE_GNU_UNIQUE_OBJECT]: Support use of gnu_unique_object.
1912
1913 2020-01-27 Martin Liska <mliska@suse.cz>
1914
1915 PR gcov-profile/93403
1916 * tree-profile.c (gimple_init_gcov_profiler): Generate
1917 both __gcov_indirect_call_profiler_v4 and
1918 __gcov_indirect_call_profiler_v4_atomic.
1919
1920 2020-01-27 Richard Sandiford <richard.sandiford@arm.com>
1921
1922 PR target/92822
1923 * config/aarch64/aarch64-simd.md (aarch64_get_half<mode>): New
1924 expander.
1925 (@aarch64_split_simd_mov<mode>): Use it.
1926 (aarch64_simd_mov_from_<mode>low): Add a GPR alternative.
1927 Leave the vec_extract patterns to handle 2-element vectors.
1928 (aarch64_simd_mov_from_<mode>high): Likewise.
1929 (vec_extract<VQMOV_NO2E:mode><Vhalf>): New expander.
1930 (vec_extractv2dfv1df): Likewise.
1931
1932 2020-01-27 Richard Sandiford <richard.sandiford@arm.com>
1933
1934 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Match
1935 jump conditions for *compare_condjump<GPI:mode>.
1936
1937 2020-01-27 David Malcolm <dmalcolm@redhat.com>
1938
1939 PR analyzer/93276
1940 * digraph.cc (test_edge::test_edge): Specify template for base
1941 class initializer.
1942
1943 2020-01-27 Claudiu Zissulescu <claziss@synopsys.com>
1944
1945 * config/arc/arc.c (arc_rtx_costs): Update mul64 cost.
1946
1947 2020-01-27 Claudiu Zissulescu <claziss@synopsys.com>
1948
1949 * config/arc/arc-protos.h (gen_mlo): Remove.
1950 (gen_mhi): Likewise.
1951 * config/arc/arc.c (AUX_MULHI): Define.
1952 (arc_must_save_reister): Special handling for r58/59.
1953 (arc_compute_frame_size): Consider mlo/mhi registers.
1954 (arc_save_callee_saves): Emit fp/sp move only when emit_move
1955 paramter is true.
1956 (arc_conditional_register_usage): Remove TARGET_BIG_ENDIAN from
1957 mlo/mhi name selection.
1958 (arc_restore_callee_saves): Don't early restore blink when ISR.
1959 (arc_expand_prologue): Add mlo/mhi saving.
1960 (arc_expand_epilogue): Add mlo/mhi restoring.
1961 (gen_mlo): Remove.
1962 (gen_mhi): Remove.
1963 * config/arc/arc.h (DBX_REGISTER_NUMBER): Correct register
1964 numbering when MUL64 option is used.
1965 (DWARF2_FRAME_REG_OUT): Define.
1966 * config/arc/arc.md (arc600_stall): New pattern.
1967 (VUNSPEC_ARC_ARC600_STALL): Define.
1968 (mulsi64): Use correct mlo/mhi registers.
1969 (mulsi_600): Clean it up.
1970 * config/arc/predicates.md (mlo_operand): Remove any dependency on
1971 TARGET_BIG_ENDIAN.
1972 (mhi_operand): Likewise.
1973
1974 2020-01-27 Claudiu Zissulescu <claziss@synopsys.com>
1975 Petro Karashchenko <petro.karashchenko@ring.com>
1976
1977 * config/arc/arc.c (arc_is_uncached_mem_p): Check struct
1978 attributes if needed.
1979 (prepare_move_operands): Generate special unspec instruction for
1980 direct access.
1981 (arc_isuncached_mem_p): Propagate uncached attribute to each
1982 structure member.
1983 * config/arc/arc.md (VUNSPEC_ARC_LDDI): Define.
1984 (VUNSPEC_ARC_STDI): Likewise.
1985 (ALLI): New mode iterator.
1986 (mALLI): New mode attribute.
1987 (lddi): New instruction pattern.
1988 (stdi): Likewise.
1989 (stdidi_split): Split instruction for architectures which are not
1990 supporting ll64 option.
1991 (lddidi_split): Likewise.
1992
1993 2020-01-27 Richard Sandiford <richard.sandiford@arm.com>
1994
1995 PR rtl-optimization/92989
1996 * lra-lives.c (process_bb_lives): Update the live-in set before
1997 processing additional clobbers.
1998
1999 2020-01-27 Richard Sandiford <richard.sandiford@arm.com>
2000
2001 PR rtl-optimization/93170
2002 * cselib.c (cselib_invalidate_regno_val): New function, split out
2003 from...
2004 (cselib_invalidate_regno): ...here.
2005 (cselib_invalidated_by_call_p): New function.
2006 (cselib_process_insn): Iterate over all the hard-register entries in
2007 REG_VALUES and invalidate any that cross call-clobbered registers.
2008
2009 2020-01-27 Richard Sandiford <richard.sandiford@arm.com>
2010
2011 * dojump.c (split_comparison): Use HONOR_NANS rather than
2012 HONOR_SNANS when splitting LTGT.
2013
2014 2020-01-27 Martin Liska <mliska@suse.cz>
2015
2016 PR driver/91220
2017 * opts.c (print_filtered_help): Exclude language-specific
2018 options from --help=common unless enabled in all FEs.
2019
2020 2020-01-27 Martin Liska <mliska@suse.cz>
2021
2022 * opts.c (print_help): Exclude params from
2023 all except --help=param.
2024
2025 2020-01-27 Martin Liska <mliska@suse.cz>
2026
2027 PR target/93274
2028 * config/i386/i386-features.c (make_resolver_func):
2029 Align the code with ppc64 target implementation.
2030 Do not generate a unique name for resolver function.
2031
2032 2020-01-27 Richard Biener <rguenther@suse.de>
2033
2034 PR tree-optimization/93397
2035 * tree-vect-slp.c (vect_analyze_slp_instance): Delay
2036 converted reduction chain SLP graph adjustment.
2037
2038 2020-01-26 Marek Polacek <polacek@redhat.com>
2039
2040 PR sanitizer/93436
2041 * sanopt.c (sanitize_rewrite_addressable_params): Avoid crash on
2042 null DECL_NAME.
2043
2044 2020-01-26 Jason Merrill <jason@redhat.com>
2045
2046 PR c++/92601
2047 * tree.c (verify_type_variant): Only verify TYPE_NEEDS_CONSTRUCTING
2048 of complete types.
2049
2050 2020-01-26 Darius Galis <darius.galis@cyberthorstudios.com>
2051
2052 * config/rx/rx.md (setmemsi): Added rx_allow_string_insns constraint
2053 (rx_setmem): Likewise.
2054
2055 2020-01-26 Jakub Jelinek <jakub@redhat.com>
2056
2057 PR target/93412
2058 * config/i386/i386.md (*addv<dwi>4_doubleword, *subv<dwi>4_doubleword):
2059 Use nonimmediate_operand instead of x86_64_hilo_general_operand and
2060 drop <di> from constraint of last operand.
2061
2062 PR target/93430
2063 * config/i386/sse.md (*avx_vperm_broadcast_<mode>): Disallow for
2064 TARGET_AVX2 and V4DFmode not in the split condition, but in the
2065 pattern condition, though allow { 0, 0, 0, 0 } broadcast always.
2066
2067 2020-01-25 Feng Xue <fxue@os.amperecomputing.com>
2068
2069 PR ipa/93166
2070 * ipa-cp.c (get_info_about_necessary_edges): Remove value
2071 check assertion.
2072
2073 2020-01-24 Jeff Law <law@redhat.com>
2074
2075 PR tree-optimization/92788
2076 * tree-ssa-threadedge.c (thread_across_edge): Check EDGE_COMPLEX
2077 not EDGE_ABNORMAL.
2078
2079 2020-01-24 Jakub Jelinek <jakub@redhat.com>
2080
2081 PR target/93395
2082 * config/i386/sse.md (*avx_vperm_broadcast_v4sf,
2083 *avx_vperm_broadcast_<mode>,
2084 <sse2_avx_avx512f>_vpermil<mode><mask_name>,
2085 *<sse2_avx_avx512f>_vpermilp<mode><mask_name>):
2086 Move before avx2_perm<mode>/avx512f_perm<mode>.
2087
2088 PR target/93376
2089 * simplify-rtx.c (simplify_const_unary_operation,
2090 simplify_const_binary_operation): Punt for mode precision above
2091 MAX_BITSIZE_MODE_ANY_INT.
2092
2093 2020-01-24 Andrew Pinski <apinski@marvell.com>
2094
2095 * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Change
2096 alu.shift_reg to 0.
2097
2098 2020-01-24 Jeff Law <law@redhat.com>
2099
2100 PR target/13721
2101 * config/h8300/h8300.c (h8300_print_operand): Only call byte_reg
2102 for REGs. Call output_operand_lossage to get more reasonable
2103 diagnostics.
2104
2105 2020-01-24 Andrew Stubbs <ams@codesourcery.com>
2106
2107 * config/gcn/gcn-valu.md (vec_cmp<mode>di): Use
2108 gcn_fp_compare_operator.
2109 (vec_cmpu<mode>di): Use gcn_compare_operator.
2110 (vec_cmp<u>v64qidi): Use gcn_compare_operator.
2111 (vec_cmp<mode>di_exec): Use gcn_fp_compare_operator.
2112 (vec_cmpu<mode>di_exec): Use gcn_compare_operator.
2113 (vec_cmp<u>v64qidi_exec): Use gcn_compare_operator.
2114 (vec_cmp<mode>di_dup): Use gcn_fp_compare_operator.
2115 (vec_cmp<mode>di_dup_exec): Use gcn_fp_compare_operator.
2116 (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): Use
2117 gcn_fp_compare_operator.
2118 (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): Use
2119 gcn_fp_compare_operator.
2120 (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): Use
2121 gcn_fp_compare_operator.
2122 (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): Use
2123 gcn_fp_compare_operator.
2124
2125 2020-01-24 Maciej W. Rozycki <macro@wdc.com>
2126
2127 * doc/install.texi (Cross-Compiler-Specific Options): Document
2128 `--with-toolexeclibdir' option.
2129
2130 2020-01-24 Hans-Peter Nilsson <hp@axis.com>
2131
2132 * target.def (flags_regnum): Also mention effect on delay slot filling.
2133 * doc/tm.texi: Regenerate.
2134
2135 2020-01-23 Jeff Law <law@redhat.com>
2136
2137 PR translation/90162
2138 * config/h8300/h8300.c (h8300_option_override): Fix diagnostic text.
2139
2140 2020-01-23 Mikael Tillenius <mti-1@tillenius.com>
2141
2142 PR target/92269
2143 * config/h8300/h8300.h (FUNCTION_PROFILER): Fix emission of
2144 profiling label
2145
2146 2020-01-23 Jakub Jelinek <jakub@redhat.com>
2147
2148 PR rtl-optimization/93402
2149 * postreload.c (reload_combine_recognize_pattern): Don't try to adjust
2150 USE insns.
2151
2152 2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
2153
2154 * config.in: Regenerated.
2155 * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to 1
2156 for TARGET_LIBC_GNUSTACK.
2157 * configure: Regenerated.
2158 * configure.ac: Define TARGET_LIBC_GNUSTACK if glibc version is
2159 found to be 2.31 or greater.
2160
2161 2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
2162
2163 * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to
2164 TARGET_SOFT_FLOAT.
2165 * config/mips/mips.c (TARGET_ASM_FILE_END): Define to ...
2166 (mips_asm_file_end): New function. Delegate to
2167 file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK is true.
2168 * config/mips/mips.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2169
2170 2020-01-23 Jakub Jelinek <jakub@redhat.com>
2171
2172 PR target/93376
2173 * config/i386/i386-modes.def (POImode): New mode.
2174 (MAX_BITSIZE_MODE_ANY_INT): Change from 128 to 160.
2175 * config/i386/i386.md (DPWI): New mode attribute.
2176 (addv<mode>4, subv<mode>4): Use <DPWI> instead of <DWI>.
2177 (QWI): Rename to...
2178 (QPWI): ... this. Use POI instead of OI for TImode.
2179 (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1,
2180 *subv<dwi>4_doubleword, *subv<dwi>4_doubleword_1): Use <QPWI>
2181 instead of <QWI>.
2182
2183 2020-01-23 Richard Sandiford <richard.sandiford@arm.com>
2184
2185 PR target/93341
2186 * config/aarch64/aarch64.md (UNSPEC_SPECULATION_TRACKER_REV): New
2187 unspec.
2188 (speculation_tracker_rev): New pattern.
2189 * config/aarch64/aarch64-speculation.cc (aarch64_do_track_speculation):
2190 Use speculation_tracker_rev to track the inverse condition.
2191
2192 2020-01-23 Richard Biener <rguenther@suse.de>
2193
2194 PR tree-optimization/93381
2195 * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Take
2196 alias-set of the def as argument and record the first one.
2197 (vn_walk_cb_data::first_set): New member.
2198 (vn_reference_lookup_3): Pass the alias-set of the current def
2199 to push_partial_def. Fix alias-set used in the aggregate copy
2200 case.
2201 (vn_reference_lookup): Consistently set *last_vuse_ptr.
2202 * real.c (clear_significand_below): Fix out-of-bound access.
2203
2204 2020-01-23 Jakub Jelinek <jakub@redhat.com>
2205
2206 PR target/93346
2207 * config/i386/i386.md (*bmi2_bzhi_<mode>3_2, *bmi2_bzhi_<mode>3_3):
2208 New define_insn patterns.
2209
2210 2020-01-23 Richard Sandiford <richard.sandiford@arm.com>
2211
2212 * doc/sourcebuild.texi (check-function-bodies): Add an
2213 optional target/xfail selector.
2214
2215 2020-01-23 Richard Sandiford <richard.sandiford@arm.com>
2216
2217 PR rtl-optimization/93124
2218 * auto-inc-dec.c (merge_in_block): Don't add auto inc/decs to
2219 bare USE and CLOBBER insns.
2220
2221 2020-01-22 Andrew Pinski <apinski@marvell.com>
2222
2223 * config/arc/arc.c (output_short_suffix): Check insn for nullness.
2224
2225 2020-01-22 David Malcolm <dmalcolm@redhat.com>
2226
2227 PR analyzer/93307
2228 * gdbinit.in (break-on-saved-diagnostic): Update for move of
2229 diagnostic_manager into "ana" namespace.
2230 * selftest-run-tests.c (selftest::run_tests): Update for move of
2231 selftest::run_analyzer_selftests to
2232 ana::selftest::run_analyzer_selftests.
2233
2234 2020-01-22 Richard Sandiford <richard.sandiford@arm.com>
2235
2236 * cfgexpand.c (union_stack_vars): Update the size.
2237
2238 2020-01-22 Richard Biener <rguenther@suse.de>
2239
2240 PR tree-optimization/93381
2241 * tree-ssa-structalias.c (find_func_aliases): Assume offsetting
2242 throughout, handle all conversions the same.
2243
2244 2020-01-22 Jakub Jelinek <jakub@redhat.com>
2245
2246 PR target/93335
2247 * config/aarch64/aarch64.c (aarch64_expand_subvti): Only use
2248 gen_subdi3_compare1_imm if low_in2 satisfies aarch64_plus_immediate
2249 predicate, not whenever it is CONST_INT. Otherwise, force_reg it.
2250 Call force_reg on high_in2 unconditionally.
2251
2252 2020-01-22 Martin Liska <mliska@suse.cz>
2253
2254 PR tree-optimization/92924
2255 * profile.c (compute_value_histograms): Divide
2256 all counter values.
2257
2258 2020-01-22 Jakub Jelinek <jakub@redhat.com>
2259
2260 PR target/91298
2261 * output.h (assemble_name_resolve): Declare.
2262 * varasm.c (assemble_name_resolve): New function.
2263 (assemble_name): Use it.
2264 * config/i386/i386.h (ASM_OUTPUT_SYMBOL_REF): Define.
2265
2266 2020-01-22 Joseph Myers <joseph@codesourcery.com>
2267
2268 * doc/sourcebuild.texi (Texinfo Manuals, Front End): Refer to
2269 update_web_docs_git instead of update_web_docs_svn.
2270
2271 2020-01-21 Andrew Pinski <apinski@marvell.com>
2272
2273 PR target/9311
2274 * config/aarch64/aarch64.md (tlsgd_small_<mode>): Have operand 0
2275 as PTR mode. Have operand 1 as being modeless, it can be P mode.
2276 (*tlsgd_small_<mode>): Likewise.
2277 * config/aarch64/aarch64.c (aarch64_load_symref_appropriately)
2278 <case SYMBOL_SMALL_TLSGD>: Call gen_tlsgd_small_* with a ptr_mode
2279 register. Convert that register back to dest using convert_mode.
2280
2281 2020-01-21 Jim Wilson <jimw@sifive.com>
2282
2283 * config/riscv/riscv-sr.c (riscv_sr_match_prologue): Use INTVAL
2284 instead of XINT.
2285
2286 2020-01-21 H.J. Lu <hongjiu.lu@intel.com>
2287 Uros Bizjak <ubizjak@gmail.com>
2288
2289 PR target/93319
2290 * config/i386/i386.c (ix86_tls_module_base): Replace Pmode
2291 with ptr_mode.
2292 (legitimize_tls_address): Do GNU2 TLS address computation in
2293 ptr_mode and zero-extend result to Pmode.
2294 * config/i386/i386.md (@tls_dynamic_gnu2_64_<mode>): Replace
2295 :P with :PTR and Pmode with ptr_mode.
2296 (*tls_dynamic_gnu2_lea_64_<mode>): Likewise.
2297 (*tls_dynamic_gnu2_call_64_<mode>): Likewise.
2298 (*tls_dynamic_gnu2_combine_64_<mode>): Likewise.
2299
2300 2020-01-21 Jakub Jelinek <jakub@redhat.com>
2301
2302 PR target/93333
2303 * config/riscv/riscv.c (riscv_rtx_costs) <case ZERO_EXTRACT>: Verify
2304 the last two operands are CONST_INT_P before using them as such.
2305
2306 2020-01-21 Richard Sandiford <richard.sandiford@arm.com>
2307
2308 * config/aarch64/aarch64-sve-builtins.def: Use get_typenode_from_name
2309 to get the integer element types.
2310
2311 2020-01-21 Richard Sandiford <richard.sandiford@arm.com>
2312
2313 * config/aarch64/aarch64-sve-builtins.h
2314 (function_expander::convert_to_pmode): Declare.
2315 * config/aarch64/aarch64-sve-builtins.cc
2316 (function_expander::convert_to_pmode): New function.
2317 (function_expander::get_contiguous_base): Use it.
2318 (function_expander::prepare_gather_address_operands): Likewise.
2319 * config/aarch64/aarch64-sve-builtins-sve2.cc
2320 (svwhilerw_svwhilewr_impl::expand): Likewise.
2321
2322 2020-01-21 Szabolcs Nagy <szabolcs.nagy@arm.com>
2323
2324 PR target/92424
2325 * config/aarch64/aarch64.c (aarch64_declare_function_name): Set
2326 cfun->machine->label_is_assembled.
2327 (aarch64_print_patchable_function_entry): New.
2328 (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY): Define.
2329 * config/aarch64/aarch64.h (struct machine_function): New field,
2330 label_is_assembled.
2331
2332 2020-01-21 David Malcolm <dmalcolm@redhat.com>
2333
2334 PR ipa/93315
2335 * ipa-profile.c (ipa_profile): Delete call_sums and set it to
2336 NULL on exit.
2337
2338 2020-01-18 Jan Hubicka <hubicka@ucw.cz>
2339
2340 PR lto/93318
2341 * cgraph.c (cgraph_edge::resolve_speculation,
2342 cgraph_edge::redirect_call_stmt_to_callee): Fix update of
2343 call_stmt_site_hash.
2344
2345 2020-01-21 Martin Liska <mliska@suse.cz>
2346
2347 * config/rs6000/rs6000.c (common_mode_defined): Remove
2348 unused variable.
2349
2350 2020-01-21 Richard Biener <rguenther@suse.de>
2351
2352 PR tree-optimization/92328
2353 * tree-ssa-sccvn.c (vn_reference_lookup_3): Preserve
2354 type when value-numbering same-sized store by inserting a
2355 VIEW_CONVERT_EXPR.
2356 (eliminate_dom_walker::eliminate_stmt): When eliminating
2357 a redundant store handle bit-reinterpretation of the same value.
2358
2359 2020-01-21 Andrew Pinski <apinski@marvel.com>
2360
2361 PR tree-opt/93321
2362 * tree-into-ssa.c (prepare_block_for_update_1): Split out
2363 from ...
2364 (prepare_block_for_update): This. Use a worklist instead of
2365 recursing.
2366
2367 2020-01-21 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2368
2369 * gcc/config/arm/arm.c (clear_operation_p):
2370 Initialise last_regno, skip first iteration
2371 based on the first_set value and use ints instead
2372 of the unnecessary HOST_WIDE_INTs.
2373
2374 2020-01-21 Jakub Jelinek <jakub@redhat.com>
2375
2376 PR target/93073
2377 * config/rs6000/rs6000.c (rs6000_emit_cmove): If using fsel, punt for
2378 compare_mode other than SFmode or DFmode.
2379
2380 2020-01-21 Kito Cheng <kito.cheng@sifive.com>
2381
2382 PR target/93304
2383 * config/riscv/riscv-protos.h (riscv_hard_regno_rename_ok): New.
2384 * config/riscv/riscv.c (riscv_hard_regno_rename_ok): New.
2385 * config/riscv/riscv.h (HARD_REGNO_RENAME_OK): Defined.
2386
2387 2020-01-20 Wilco Dijkstra <wdijkstr@arm.com>
2388
2389 * config/aarch64/aarch64.c (neoversen1_tunings): Set jump_align to 4.
2390
2391 2020-01-20 Andrew Pinski <apinski@marvell.com>
2392
2393 PR middle-end/93242
2394 * targhooks.c (default_print_patchable_function_entry): Use
2395 output_asm_insn to emit the nop instruction.
2396
2397 2020-01-20 Fangrui Song <maskray@google.com>
2398
2399 PR middle-end/93194
2400 * targhooks.c (default_print_patchable_function_entry): Align to
2401 POINTER_SIZE.
2402
2403 2020-01-20 H.J. Lu <hongjiu.lu@intel.com>
2404
2405 PR target/93319
2406 * config/i386/i386.c (legitimize_tls_address): Pass Pmode to
2407 gen_tls_dynamic_gnu2_64. Compute GNU2 TLS address in ptr_mode.
2408 * config/i386/i386.md (tls_dynamic_gnu2_64): Renamed to ...
2409 (@tls_dynamic_gnu2_64_<mode>): This. Replace DI with P.
2410 (*tls_dynamic_gnu2_lea_64): Renamed to ...
2411 (*tls_dynamic_gnu2_lea_64_<mode>): This. Replace DI with P.
2412 Remove the {q} suffix from lea.
2413 (*tls_dynamic_gnu2_call_64): Renamed to ...
2414 (*tls_dynamic_gnu2_call_64_<mode>): This. Replace DI with P.
2415 (*tls_dynamic_gnu2_combine_64): Renamed to ...
2416 (*tls_dynamic_gnu2_combine_64_<mode>): This. Replace DI with P.
2417 Pass Pmode to gen_tls_dynamic_gnu2_64.
2418
2419 2020-01-20 Wilco Dijkstra <wdijkstr@arm.com>
2420
2421 * config/aarch64/aarch64.h (SLOW_BYTE_ACCESS): Set to 1.
2422
2423 2020-01-20 Richard Sandiford <richard.sandiford@arm.com>
2424
2425 * config/aarch64/aarch64-sve-builtins-base.cc
2426 (svld1ro_impl::memory_vector_mode): Remove parameter name.
2427
2428 2020-01-20 Richard Biener <rguenther@suse.de>
2429
2430 PR debug/92763
2431 * dwarf2out.c (prune_unused_types): Unconditionally mark
2432 called function DIEs.
2433
2434 2020-01-20 Martin Liska <mliska@suse.cz>
2435
2436 PR tree-optimization/93199
2437 * tree-eh.c (struct leh_state): Add
2438 new field outer_non_cleanup.
2439 (cleanup_is_dead_in): Pass leh_state instead
2440 of eh_region. Add a checking that state->outer_non_cleanup
2441 points to outer non-clean up region.
2442 (lower_try_finally): Record outer_non_cleanup
2443 for this_state.
2444 (lower_catch): Likewise.
2445 (lower_eh_filter): Likewise.
2446 (lower_eh_must_not_throw): Likewise.
2447 (lower_cleanup): Likewise.
2448
2449 2020-01-20 Richard Biener <rguenther@suse.de>
2450
2451 PR tree-optimization/93094
2452 * tree-vectorizer.h (vect_loop_versioning): Adjust.
2453 (vect_transform_loop): Likewise.
2454 * tree-vectorizer.c (try_vectorize_loop_1): Pass down
2455 loop_vectorized_call to vect_transform_loop.
2456 * tree-vect-loop.c (vect_transform_loop): Pass down
2457 loop_vectorized_call to vect_loop_versioning.
2458 * tree-vect-loop-manip.c (vect_loop_versioning): Use
2459 the earlier discovered loop_vectorized_call.
2460
2461 2020-01-19 Eric S. Raymond <esr@thyrsus.com>
2462
2463 * doc/contribute.texi: Update for SVN -> Git transition.
2464 * doc/install.texi: Likewise.
2465
2466 2020-01-18 Jan Hubicka <hubicka@ucw.cz>
2467
2468 PR lto/93318
2469 * cgraph.c (cgraph_edge::make_speculative): Increase number of
2470 speculative targets.
2471 (verify_speculative_call): New function
2472 (cgraph_node::verify_node): Use it.
2473 * ipa-profile.c (ipa_profile): Fix formating; do not set number of
2474 speculations.
2475
2476 2020-01-18 Jan Hubicka <hubicka@ucw.cz>
2477
2478 PR lto/93318
2479 * cgraph.c (cgraph_edge::resolve_speculation): Fix foramting.
2480 (cgraph_edge::make_direct): Remove all indirect targets.
2481 (cgraph_edge::redirect_call_stmt_to_callee): Use make_direct..
2482 (cgraph_node::verify_node): Verify that only one call_stmt or
2483 lto_stmt_uid is set.
2484 * cgraphclones.c (cgraph_edge::clone): Set only one call_stmt or
2485 lto_stmt_uid.
2486 * lto-cgraph.c (lto_output_edge): Simplify streaming of stmt.
2487 (lto_output_ref): Simplify streaming of stmt.
2488 * lto-streamer-in.c (fixup_call_stmt_edges_1): Clear lto_stmt_uid.
2489
2490 2020-01-18 Tamar Christina <tamar.christina@arm.com>
2491
2492 * config/aarch64/aarch64-sve-builtins-base.cc (memory_vector_mode):
2493 Mark parameter unused.
2494
2495 2020-01-18 Hans-Peter Nilsson <hp@axis.com>
2496
2497 * config.gcc <obsolete targets>: Add crisv32-*-* and cris-*-linux*
2498
2499 2019-01-18 Gerald Pfeifer <gerald@pfeifer.com>
2500
2501 * varpool.c (ctor_useable_for_folding_p): Fix grammar.
2502
2503 2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
2504
2505 * Makefile.in: Add coroutine-passes.o.
2506 * builtin-types.def (BT_CONST_SIZE): New.
2507 (BT_FN_BOOL_PTR): New.
2508 (BT_FN_PTR_PTR_CONST_SIZE_BOOL): New.
2509 * builtins.def (DEF_COROUTINE_BUILTIN): New.
2510 * coroutine-builtins.def: New file.
2511 * coroutine-passes.cc: New file.
2512 * function.h (struct GTY function): Add a bit to indicate that the
2513 function is a coroutine component.
2514 * internal-fn.c (expand_CO_FRAME): New.
2515 (expand_CO_YIELD): New.
2516 (expand_CO_SUSPN): New.
2517 (expand_CO_ACTOR): New.
2518 * internal-fn.def (CO_ACTOR): New.
2519 (CO_YIELD): New.
2520 (CO_SUSPN): New.
2521 (CO_FRAME): New.
2522 * passes.def: Add pass_coroutine_lower_builtins,
2523 pass_coroutine_early_expand_ifns.
2524 * tree-pass.h (make_pass_coroutine_lower_builtins): New.
2525 (make_pass_coroutine_early_expand_ifns): New.
2526 * doc/invoke.texi: Document the fcoroutines command line
2527 switch.
2528
2529 2020-01-18 Jakub Jelinek <jakub@redhat.com>
2530
2531 * config/arm/vfp.md (*clear_vfp_multiple): Remove unused variable.
2532
2533 PR target/93312
2534 * config/arm/arm.c (clear_operation_p): Don't use REGNO until
2535 after checking the argument is a REG. Don't use REGNO (reg)
2536 again to set last_regno, reuse regno variable instead.
2537
2538 2020-01-17 David Malcolm <dmalcolm@redhat.com>
2539
2540 * doc/analyzer.texi (Limitations): Add note about NaN.
2541
2542 2020-01-17 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2543 Sudakshina Das <sudi.das@arm.com>
2544
2545 * config/arm/arm.md (ashldi3): Generate thumb2_lsll for both reg
2546 and valid immediate.
2547 (ashrdi3): Generate thumb2_asrl for both reg and valid immediate.
2548 (lshrdi3): Generate thumb2_lsrl for valid immediates.
2549 * config/arm/constraints.md (Pg): New.
2550 * config/arm/predicates.md (long_shift_imm): New.
2551 (arm_reg_or_long_shift_imm): Likewise.
2552 * config/arm/thumb2.md (thumb2_asrl): New immediate alternative.
2553 (thumb2_lsll): Likewise.
2554 (thumb2_lsrl): New.
2555
2556 2020-01-17 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2557 Sudakshina Das <sudi.das@arm.com>
2558
2559 * config/arm/arm.md (ashldi3): Generate thumb2_lsll for TARGET_HAVE_MVE.
2560 (ashrdi3): Generate thumb2_asrl for TARGET_HAVE_MVE.
2561 * config/arm/arm.c (arm_hard_regno_mode_ok): Allocate even odd
2562 register pairs for doubleword quantities for ARMv8.1M-Mainline.
2563 * config/arm/thumb2.md (thumb2_asrl): New.
2564 (thumb2_lsll): Likewise.
2565
2566 2020-01-17 Jakub Jelinek <jakub@redhat.com>
2567
2568 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear): Remove
2569 unused variable.
2570
2571 2020-01-17 Alexander Monakov <amonakov@ispras.ru>
2572
2573 * gdbinit.in (help-gcc-hooks): New command.
2574 (pp, pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, ptc, pdn, ptn, pdd, prc,
2575 pi, pbm, pel, trt): Take $arg0 instead of $ if supplied. Update
2576 documentation.
2577
2578 2020-01-17 Matthew Malcomson <matthew.malcomson@arm.com>
2579
2580 * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use the
2581 correct target macro.
2582
2583 2020-01-17 Matthew Malcomson <matthew.malcomson@arm.com>
2584
2585 * config/aarch64/aarch64-protos.h
2586 (aarch64_sve_ld1ro_operand_p): New.
2587 * config/aarch64/aarch64-sve-builtins-base.cc
2588 (class load_replicate): New.
2589 (class svld1ro_impl): New.
2590 (class svld1rq_impl): Change to inherit from load_replicate.
2591 (svld1ro): New sve intrinsic function base.
2592 * config/aarch64/aarch64-sve-builtins-base.def (svld1ro):
2593 New DEF_SVE_FUNCTION.
2594 * config/aarch64/aarch64-sve-builtins-base.h
2595 (svld1ro): New decl.
2596 * config/aarch64/aarch64-sve-builtins.cc
2597 (function_expander::add_mem_operand): Modify assert to allow
2598 OImode.
2599 * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): New
2600 pattern.
2601 * config/aarch64/aarch64.c
2602 (aarch64_sve_ld1rq_operand_p): Implement in terms of ...
2603 (aarch64_sve_ld1rq_ld1ro_operand_p): This.
2604 (aarch64_sve_ld1ro_operand_p): New.
2605 * config/aarch64/aarch64.md (UNSPEC_LD1RO): New unspec.
2606 * config/aarch64/constraints.md (UOb,UOh,UOw,UOd): New.
2607 * config/aarch64/predicates.md
2608 (aarch64_sve_ld1ro_operand_{b,h,w,d}): New.
2609
2610 2020-01-17 Matthew Malcomson <matthew.malcomson@arm.com>
2611
2612 * config/aarch64/aarch64-c.c (_ARM_FEATURE_MATMUL_FLOAT64):
2613 Introduce this ACLE specified predefined macro.
2614 * config/aarch64/aarch64-option-extensions.def (f64mm): New.
2615 (fp): Disabling this disables f64mm.
2616 (simd): Disabling this disables f64mm.
2617 (fp16): Disabling this disables f64mm.
2618 (sve): Disabling this disables f64mm.
2619 * config/aarch64/aarch64.h (AARCH64_FL_F64MM): New.
2620 (AARCH64_ISA_F64MM): New.
2621 (TARGET_F64MM): New.
2622 * doc/invoke.texi (f64mm): Document new option.
2623
2624 2020-01-17 Wilco Dijkstra <wdijkstr@arm.com>
2625
2626 * config/aarch64/aarch64.c (generic_tunings): Add branch fusion.
2627 (neoversen1_tunings): Likewise.
2628
2629 2020-01-17 Wilco Dijkstra <wdijkstr@arm.com>
2630
2631 PR target/92692
2632 * config/aarch64/aarch64.c (aarch64_split_compare_and_swap)
2633 Add assert to ensure prolog has been emitted.
2634 (aarch64_split_atomic_op): Likewise.
2635 * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>)
2636 Use epilogue_completed rather than reload_completed.
2637 (aarch64_atomic_exchange<mode>): Likewise.
2638 (aarch64_atomic_<atomic_optab><mode>): Likewise.
2639 (atomic_nand<mode>): Likewise.
2640 (aarch64_atomic_fetch_<atomic_optab><mode>): Likewise.
2641 (atomic_fetch_nand<mode>): Likewise.
2642 (aarch64_atomic_<atomic_optab>_fetch<mode>): Likewise.
2643 (atomic_nand_fetch<mode>): Likewise.
2644
2645 2020-01-17 Richard Sandiford <richard.sandiford@arm.com>
2646
2647 PR target/93133
2648 * config/aarch64/aarch64.h (REVERSIBLE_CC_MODE): Return false
2649 for FP modes.
2650 (REVERSE_CONDITION): Delete.
2651 * config/aarch64/iterators.md (CC_ONLY): New mode iterator.
2652 (CCFP_CCFPE): Likewise.
2653 (e): New mode attribute.
2654 * config/aarch64/aarch64.md (ccmp<GPI:mode>): Rename to...
2655 (@ccmp<CC_ONLY:mode><GPI:mode>): ...this, using CC_ONLY instead of CC.
2656 (fccmp<GPF:mode>, fccmpe<GPF:mode>): Merge into...
2657 (@ccmp<CCFP_CCFPE:mode><GPF:mode>): ...this combined pattern.
2658 (@ccmp<CC_ONLY:mode><GPI:mode>_rev): New pattern.
2659 (@ccmp<CCFP_CCFPE:mode><GPF:mode>_rev): Likewise.
2660 * config/aarch64/aarch64.c (aarch64_gen_compare_reg): Update
2661 name of generator from gen_ccmpdi to gen_ccmpccdi.
2662 (aarch64_gen_ccmp_next): Use code_for_ccmp. If we want to reverse
2663 the previous comparison but aren't able to, use the new ccmp_rev
2664 patterns instead.
2665
2666 2020-01-17 Richard Sandiford <richard.sandiford@arm.com>
2667
2668 * gimplify.c (gimplify_return_expr): Use poly_int_tree_p rather
2669 than testing directly for INTEGER_CST.
2670 (gimplify_target_expr, gimplify_omp_depend): Likewise.
2671
2672 2020-01-17 Jakub Jelinek <jakub@redhat.com>
2673
2674 PR tree-optimization/93292
2675 * tree-vect-stmts.c (vectorizable_comparison): Punt also if
2676 get_vectype_for_scalar_type returns NULL.
2677
2678 2020-01-16 Jan Hubicka <hubicka@ucw.cz>
2679
2680 * params.opt (-param=max-predicted-iterations): Increase range from 0.
2681 * predict.c (estimate_loops): Add 1 to param_max_predicted_iterations.
2682
2683 2020-01-16 Jan Hubicka <hubicka@ucw.cz>
2684
2685 * ipa-fnsummary.c (estimate_calls_size_and_time): Fix formating of
2686 dump.
2687 * params.opt: (max-predicted-iterations): Set bounds.
2688 * predict.c (real_almost_one, real_br_prob_base,
2689 real_inv_br_prob_base, real_one_half, real_bb_freq_max): Remove.
2690 (propagate_freq): Add max_cyclic_prob parameter; cap cyclic
2691 probabilities; do not truncate to reg_br_prob_bases.
2692 (estimate_loops_at_level): Pass max_cyclic_prob.
2693 (estimate_loops): Compute max_cyclic_prob.
2694 (estimate_bb_frequencies): Do not initialize real_*; update calculation
2695 of back edge prob.
2696 * profile-count.c (profile_probability::to_sreal): New.
2697 * profile-count.h (class sreal): Move up in file.
2698 (profile_probability::to_sreal): Declare.
2699
2700 2020-01-16 Stam Markianos-Wright <stam.markianos-wright@arm.com>
2701
2702 * config/arm/arm.c
2703 (arm_invalid_conversion): New function for target hook.
2704 (arm_invalid_unary_op): New function for target hook.
2705 (arm_invalid_binary_op): New function for target hook.
2706
2707 2020-01-16 Stam Markianos-Wright <stam.markianos-wright@arm.com>
2708
2709 * config.gcc: Add arm_bf16.h.
2710 * config/arm/arm-builtins.c (arm_mangle_builtin_type): Fix comment.
2711 (arm_simd_builtin_std_type): Add BFmode.
2712 (arm_init_simd_builtin_types): Define element types for vector types.
2713 (arm_init_bf16_types): New function.
2714 (arm_init_builtins): Add arm_init_bf16_types function call.
2715 * config/arm/arm-modes.def: Add BFmode and V4BF, V8BF vector modes.
2716 * config/arm/arm-simd-builtin-types.def: Add V4BF, V8BF.
2717 * config/arm/arm.c (aapcs_vfp_sub_candidate): Add BFmode.
2718 (arm_hard_regno_mode_ok): Add BFmode and tidy up statements.
2719 (arm_vector_mode_supported_p): Add V4BF, V8BF.
2720 (arm_mangle_type): Add __bf16.
2721 * config/arm/arm.h: Add V4BF, V8BF to VALID_NEON_DREG_MODE,
2722 VALID_NEON_QREG_MODE respectively. Add export arm_bf16_type_node,
2723 arm_bf16_ptr_type_node.
2724 * config/arm/arm.md: Add BFmode to movhf expand, mov pattern and
2725 define_split between ARM registers.
2726 * config/arm/arm_bf16.h: New file.
2727 * config/arm/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
2728 * config/arm/iterators.md: (ANY64_BF, VDXMOV, VHFBF, HFBF, fporbf): New.
2729 (VQXMOV): Add V8BF.
2730 * config/arm/neon.md: Add BF vector types to movhf NEON move patterns.
2731 * config/arm/vfp.md: Add BFmode to movhf patterns.
2732
2733 2020-01-16 Mihail Ionescu <mihail.ionescu@arm.com>
2734 Andre Vieira <andre.simoesdiasvieira@arm.com>
2735
2736 * config/arm/arm-cpus.in (mve, mve_float): New features.
2737 (dsp, mve, mve.fp): New options.
2738 * config/arm/arm.h (TARGET_HAVE_MVE, TARGET_HAVE_MVE_FLOAT): Define.
2739 * config/arm/t-rmprofile: Map v8.1-M multilibs to v8-M.
2740 * doc/invoke.texi: Document the armv8.1-m mve and dps options.
2741
2742 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2743 Thomas Preud'homme <thomas.preudhomme@arm.com>
2744
2745 * config/arm/arm-cpus.in (ARMv8_1m_main): Redefine as an extension to
2746 Armv8-M Mainline.
2747 * config/arm/arm.c (arm_options_perform_arch_sanity_checks): Remove
2748 error for using -mcmse when targeting Armv8.1-M Mainline.
2749
2750 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2751 Thomas Preud'homme <thomas.preudhomme@arm.com>
2752
2753 * config/arm/arm.md (nonsecure_call_internal): Do not force memory
2754 address in r4 when targeting Armv8.1-M Mainline.
2755 (nonsecure_call_value_internal): Likewise.
2756 * config/arm/thumb2.md (nonsecure_call_reg_thumb2): Make memory address
2757 a register match_operand again. Emit BLXNS when targeting
2758 Armv8.1-M Mainline.
2759 (nonsecure_call_value_reg_thumb2): Likewise.
2760
2761 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2762 Thomas Preud'homme <thomas.preudhomme@arm.com>
2763
2764 * config/arm/arm.c (arm_add_cfa_adjust_cfa_note): Declare early.
2765 (cmse_nonsecure_call_inline_register_clear): Define new lazy_fpclear
2766 variable as true when floating-point ABI is not hard. Replace
2767 check against TARGET_HARD_FLOAT_ABI by checks against lazy_fpclear.
2768 Generate VLSTM and VLLDM instruction respectively before and
2769 after a function call to cmse_nonsecure_call function.
2770 * config/arm/unspecs.md (VUNSPEC_VLSTM): Define unspec.
2771 (VUNSPEC_VLLDM): Likewise.
2772 * config/arm/vfp.md (lazy_store_multiple_insn): New define_insn.
2773 (lazy_load_multiple_insn): Likewise.
2774
2775 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2776 Thomas Preud'homme <thomas.preudhomme@arm.com>
2777
2778 * config/arm/arm.c (vfp_emit_fstmd): Declare early.
2779 (arm_emit_vfp_multi_reg_pop): Likewise.
2780 (cmse_nonsecure_call_inline_register_clear): Abstract number of VFP
2781 registers to clear in max_fp_regno. Emit VPUSH and VPOP to save and
2782 restore callee-saved VFP registers.
2783
2784 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2785 Thomas Preud'homme <thomas.preudhomme@arm.com>
2786
2787 * config/arm/arm.c (arm_emit_multi_reg_pop): Declare early.
2788 (cmse_nonsecure_call_clear_caller_saved): Rename into ...
2789 (cmse_nonsecure_call_inline_register_clear): This. Save and clear
2790 callee-saved GPRs as well as clear ip register before doing a nonsecure
2791 call then restore callee-saved GPRs after it when targeting
2792 Armv8.1-M Mainline.
2793 (arm_reorg): Adapt to function rename.
2794
2795 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2796 Thomas Preud'homme <thomas.preudhomme@arm.com>
2797
2798 * config/arm/arm-protos.h (clear_operation_p): Adapt prototype.
2799 * config/arm/arm.c (clear_operation_p): Extend to be able to check a
2800 clear_vfp_multiple pattern based on a new vfp parameter.
2801 (cmse_clear_registers): Generate VSCCLRM to clear VFP registers when
2802 targeting Armv8.1-M Mainline.
2803 (cmse_nonsecure_entry_clear_before_return): Clear VFP registers
2804 unconditionally when targeting Armv8.1-M Mainline architecture. Check
2805 whether VFP registers are available before looking call_used_regs for a
2806 VFP register.
2807 * config/arm/predicates.md (clear_multiple_operation): Adapt to change
2808 of prototype of clear_operation_p.
2809 (clear_vfp_multiple_operation): New predicate.
2810 * config/arm/unspecs.md (VUNSPEC_VSCCLRM_VPR): New volatile unspec.
2811 * config/arm/vfp.md (clear_vfp_multiple): New define_insn.
2812
2813 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2814 Thomas Preud'homme <thomas.preudhomme@arm.com>
2815
2816 * config/arm/arm-protos.h (clear_operation_p): Declare.
2817 * config/arm/arm.c (clear_operation_p): New function.
2818 (cmse_clear_registers): Generate clear_multiple instruction pattern if
2819 targeting Armv8.1-M Mainline or successor.
2820 (output_return_instruction): Only output APSR register clearing if
2821 Armv8.1-M Mainline instructions not available.
2822 (thumb_exit): Likewise.
2823 * config/arm/predicates.md (clear_multiple_operation): New predicate.
2824 * config/arm/thumb2.md (clear_apsr): New define_insn.
2825 (clear_multiple): Likewise.
2826 * config/arm/unspecs.md (VUNSPEC_CLRM_APSR): New volatile unspec.
2827
2828 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2829 Thomas Preud'homme <thomas.preudhomme@arm.com>
2830
2831 * config/arm/arm.c (fp_sysreg_names): Declare and define.
2832 (use_return_insn): Also return false for Armv8.1-M Mainline.
2833 (output_return_instruction): Skip FPSCR clearing if Armv8.1-M
2834 Mainline instructions are available.
2835 (arm_compute_frame_layout): Allocate space in frame for FPCXTNS
2836 when targeting Armv8.1-M Mainline Security Extensions.
2837 (arm_expand_prologue): Save FPCXTNS if this is an Armv8.1-M
2838 Mainline entry function.
2839 (cmse_nonsecure_entry_clear_before_return): Clear IP and r4 if
2840 targeting Armv8.1-M Mainline or successor.
2841 (arm_expand_epilogue): Fix indentation of caller-saved register
2842 clearing. Restore FPCXTNS if this is an Armv8.1-M Mainline
2843 entry function.
2844 * config/arm/arm.h (TARGET_HAVE_FP_CMSE): New macro.
2845 (FP_SYSREGS): Likewise.
2846 (enum vfp_sysregs_encoding): Define enum.
2847 (fp_sysreg_names): Declare.
2848 * config/arm/unspecs.md (VUNSPEC_VSTR_VLDR): New volatile unspec.
2849 * config/arm/vfp.md (push_fpsysreg_insn): New define_insn.
2850 (pop_fpsysreg_insn): Likewise.
2851
2852 2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2853 Thomas Preud'homme <thomas.preudhomme@arm.com>
2854
2855 * config/arm/arm-cpus.in (armv8_1m_main): New feature.
2856 (ARMv4, ARMv4t, ARMv5t, ARMv5te, ARMv5tej, ARMv6, ARMv6j, ARMv6k,
2857 ARMv6z, ARMv6kz, ARMv6zk, ARMv6t2, ARMv6m, ARMv7, ARMv7a, ARMv7ve,
2858 ARMv7r, ARMv7m, ARMv7em, ARMv8a, ARMv8_1a, ARMv8_2a, ARMv8_3a,
2859 ARMv8_4a, ARMv8_5a, ARMv8m_base, ARMv8m_main, ARMv8r): Reindent.
2860 (ARMv8_1m_main): New feature group.
2861 (armv8.1-m.main): New architecture.
2862 * config/arm/arm-tables.opt: Regenerate.
2863 * config/arm/arm.c (arm_arch8_1m_main): Define and default initialize.
2864 (arm_option_reconfigure_globals): Initialize arm_arch8_1m_main.
2865 (arm_options_perform_arch_sanity_checks): Error out when targeting
2866 Armv8.1-M Mainline Security Extensions.
2867 * config/arm/arm.h (arm_arch8_1m_main): Declare.
2868
2869 2020-01-16 Stam Markianos-Wright <stam.markianos-wright@arm.com>
2870
2871 * config/aarch64/aarch64-simd-builtins.def (aarch64_bfdot,
2872 aarch64_bfdot_lane, aarch64_bfdot_laneq): New.
2873 * config/aarch64/aarch64-simd.md (aarch64_bfdot, aarch64_bfdot_lane,
2874 aarch64_bfdot_laneq): New.
2875 * config/aarch64/arm_bf16.h (vbfdot_f32, vbfdotq_f32,
2876 vbfdot_lane_f32, vbfdotq_lane_f32, vbfdot_laneq_f32,
2877 vbfdotq_laneq_f32): New.
2878 * config/aarch64/iterators.md (UNSPEC_BFDOT, Vbfdottype,
2879 VBFMLA_W, VBF): New.
2880 (isquadop): Add V4BF, V8BF.
2881
2882 2020-01-16 Stam Markianos-Wright <stam.markianos-wright@arm.com>
2883
2884 * config/aarch64/aarch64-builtins.c: (enum aarch64_type_qualifiers):
2885 New qualifier_lane_quadtup_index, TYPES_TERNOP_SSUS,
2886 TYPES_QUADOPSSUS_LANE_QUADTUP, TYPES_QUADOPSSSU_LANE_QUADTUP.
2887 (aarch64_simd_expand_args): Add case SIMD_ARG_LANE_QUADTUP_INDEX.
2888 (aarch64_simd_expand_builtin): Add qualifier_lane_quadtup_index.
2889 * config/aarch64/aarch64-simd-builtins.def (usdot, usdot_lane,
2890 usdot_laneq, sudot_lane,sudot_laneq): New.
2891 * config/aarch64/aarch64-simd.md (aarch64_usdot): New.
2892 (aarch64_<sur>dot_lane): New.
2893 * config/aarch64/arm_neon.h (vusdot_s32): New.
2894 (vusdotq_s32): New.
2895 (vusdot_lane_s32): New.
2896 (vsudot_lane_s32): New.
2897 * config/aarch64/iterators.md (DOTPROD_I8MM): New iterator.
2898 (UNSPEC_USDOT, UNSPEC_SUDOT): New unspecs.
2899
2900 2020-01-16 Martin Liska <mliska@suse.cz>
2901
2902 * value-prof.c (dump_histogram_value): Fix
2903 obvious spacing issue.
2904
2905 2020-01-16 Andrew Pinski <apinski@marvell.com>
2906
2907 * tree-ssa-sccvn.c(vn_reference_lookup_3): Check lhs for
2908 !storage_order_barrier_p.
2909
2910 2020-01-16 Andrew Pinski <apinski@marvell.com>
2911
2912 * sched-int.h (_dep): Add unused bit-field field for the padding.
2913 * sched-deps.c (init_dep_1): Init unused field.
2914
2915 2020-01-16 Andrew Pinski <apinski@marvell.com>
2916
2917 * optabs.h (create_expand_operand): Initialize target field also.
2918
2919 2020-01-16 Andre Vieira <andre.simoesdiasvieira@arm.com>
2920
2921 PR tree-optimization/92429
2922 * tree-ssa-loop-niter.h (simplify_replace_tree): Add parameter.
2923 * tree-ssa-loop-niter.c (simplify_replace_tree): Add parameter to
2924 control folding.
2925 * tree-vect-loop.c (update_epilogue_vinfo): Do not fold when replacing
2926 tree.
2927
2928 2020-01-16 Richard Sandiford <richard.sandiford@arm.com>
2929
2930 * config/aarch64/aarch64.c (aarch64_split_sve_subreg_move): Apply
2931 aarch64_sve_int_mode to each mode.
2932
2933 2020-01-15 David Malcolm <dmalcolm@redhat.com>
2934
2935 * doc/analyzer.texi (Overview): Add note about
2936 -fdump-ipa-analyzer.
2937
2938 2020-01-15 Wilco Dijkstra <wdijkstr@arm.com>
2939
2940 PR tree-optimization/93231
2941 * tree-ssa-forwprop.c (optimize_count_trailing_zeroes): Check
2942 input_type is unsigned. Use tree_to_shwi for shift constant.
2943 Check CST_STRING element size is CHAR_TYPE_SIZE bits.
2944 (simplify_count_trailing_zeroes): Add test to handle known non-zero
2945 inputs more efficiently.
2946
2947 2020-01-15 Uroš Bizjak <ubizjak@gmail.com>
2948
2949 * config/i386/i386.md (*movsf_internal): Do not require
2950 SSE2 ISA for alternatives 14 and 15.
2951
2952 2020-01-15 Richard Biener <rguenther@suse.de>
2953
2954 PR middle-end/93273
2955 * tree-eh.c (sink_clobbers): If we already visited the destination
2956 block do not defer insertion.
2957 (pass_lower_eh_dispatch::execute): Maintain BB_VISITED for
2958 the purpose of defered insertion.
2959
2960 2020-01-15 Jakub Jelinek <jakub@redhat.com>
2961
2962 * BASE-VER: Bump to 10.0.1.
2963
2964 2020-01-15 Richard Sandiford <richard.sandiford@arm.com>
2965
2966 PR tree-optimization/93247
2967 * tree-vect-loop.c (update_epilogue_loop_vinfo): Check the access
2968 type of the stmt that we're going to vectorize.
2969
2970 2020-01-15 Richard Sandiford <richard.sandiford@arm.com>
2971
2972 * tree-vect-slp.c (vectorize_slp_instance_root_stmt): Use a
2973 VIEW_CONVERT_EXPR if the vectorized constructor has a diffeent
2974 type from the lhs.
2975
2976 2020-01-15 Martin Liska <mliska@suse.cz>
2977
2978 * ipa-profile.c (ipa_profile_read_edge_summary): Do not allow
2979 2 calls of streamer_read_hwi in a function call.
2980
2981 2020-01-15 Richard Biener <rguenther@suse.de>
2982
2983 * alias.c (record_alias_subset): Avoid redundant work when
2984 subset is already recorded.
2985
2986 2020-01-14 David Malcolm <dmalcolm@redhat.com>
2987
2988 * doc/invoke.texi (-fdiagnostics-show-cwe): Add note that some of
2989 the analyzer options provide CWE identifiers.
2990
2991 2020-01-14 David Malcolm <dmalcolm@redhat.com>
2992
2993 * tree-diagnostic-path.cc (path_summary::event_range::print):
2994 When testing for UNKNOWN_LOCATION, look through ad-hoc wrappers
2995 using get_pure_location.
2996
2997 2020-01-15 Jakub Jelinek <jakub@redhat.com>
2998
2999 PR tree-optimization/93262
3000 * tree-ssa-dse.c (maybe_trim_memstar_call): For *_chk builtins,
3001 perform head trimming only if the last argument is constant,
3002 either all ones, or larger or equal to head trim, in the latter
3003 case decrease the last argument by head_trim.
3004
3005 PR tree-optimization/93249
3006 * tree-ssa-dse.c: Include builtins.h and gimple-fold.h.
3007 (maybe_trim_memstar_call): Move head_trim and tail_trim vars to
3008 function body scope, reindent. For BUILTIN_IN_STRNCPY*, don't
3009 perform head trim unless we can prove there are no '\0' chars
3010 from the source among the first head_trim chars.
3011
3012 2020-01-14 David Malcolm <dmalcolm@redhat.com>
3013
3014 * Makefile.in (ANALYZER_OBJS): Add analyzer/function-set.o.
3015
3016 2020-01-15 Jakub Jelinek <jakub@redhat.com>
3017
3018 PR target/93009
3019 * config/i386/sse.md
3020 (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1,
3021 *<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_1,
3022 *<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_1,
3023 *<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_1): Use
3024 just a single alternative instead of two, make operands 1 and 2
3025 commutative.
3026
3027 2020-01-14 Jan Hubicka <hubicka@ucw.cz>
3028
3029 PR lto/91576
3030 * ipa-devirt.c (odr_types_equivalent_p): Compare TREE_ADDRESSABLE and
3031 TYPE_MODE.
3032
3033 2020-01-14 David Malcolm <dmalcolm@redhat.com>
3034
3035 * Makefile.in (lang_opt_files): Add analyzer.opt.
3036 (ANALYZER_OBJS): New.
3037 (OBJS): Add digraph.o, graphviz.o, ordered-hash-map-tests.o,
3038 tristate.o and ANALYZER_OBJS.
3039 (TEXI_GCCINT_FILES): Add analyzer.texi.
3040 * common.opt (-fanalyzer): New driver option.
3041 * config.in: Regenerate.
3042 * configure: Regenerate.
3043 * configure.ac (--disable-analyzer, ENABLE_ANALYZER): New option.
3044 (gccdepdir): Also create depdir for "analyzer" subdir.
3045 * digraph.cc: New file.
3046 * digraph.h: New file.
3047 * doc/analyzer.texi: New file.
3048 * doc/gccint.texi ("Static Analyzer") New menu item.
3049 (analyzer.texi): Include it.
3050 * doc/invoke.texi ("Static Analyzer Options"): New list and new section.
3051 ("Warning Options"): Add static analysis warnings to the list.
3052 (-Wno-analyzer-double-fclose): New option.
3053 (-Wno-analyzer-double-free): New option.
3054 (-Wno-analyzer-exposure-through-output-file): New option.
3055 (-Wno-analyzer-file-leak): New option.
3056 (-Wno-analyzer-free-of-non-heap): New option.
3057 (-Wno-analyzer-malloc-leak): New option.
3058 (-Wno-analyzer-possible-null-argument): New option.
3059 (-Wno-analyzer-possible-null-dereference): New option.
3060 (-Wno-analyzer-null-argument): New option.
3061 (-Wno-analyzer-null-dereference): New option.
3062 (-Wno-analyzer-stale-setjmp-buffer): New option.
3063 (-Wno-analyzer-tainted-array-index): New option.
3064 (-Wno-analyzer-use-after-free): New option.
3065 (-Wno-analyzer-use-of-pointer-in-stale-stack-frame): New option.
3066 (-Wno-analyzer-use-of-uninitialized-value): New option.
3067 (-Wanalyzer-too-complex): New option.
3068 (-fanalyzer-call-summaries): New warning.
3069 (-fanalyzer-checker=): New warning.
3070 (-fanalyzer-fine-grained): New warning.
3071 (-fno-analyzer-state-merge): New warning.
3072 (-fno-analyzer-state-purge): New warning.
3073 (-fanalyzer-transitivity): New warning.
3074 (-fanalyzer-verbose-edges): New warning.
3075 (-fanalyzer-verbose-state-changes): New warning.
3076 (-fanalyzer-verbosity=): New warning.
3077 (-fdump-analyzer): New warning.
3078 (-fdump-analyzer-callgraph): New warning.
3079 (-fdump-analyzer-exploded-graph): New warning.
3080 (-fdump-analyzer-exploded-nodes): New warning.
3081 (-fdump-analyzer-exploded-nodes-2): New warning.
3082 (-fdump-analyzer-exploded-nodes-3): New warning.
3083 (-fdump-analyzer-supergraph): New warning.
3084 * doc/sourcebuild.texi (dg-require-dot): New.
3085 (dg-check-dot): New.
3086 * gdbinit.in (break-on-saved-diagnostic): New command.
3087 * graphviz.cc: New file.
3088 * graphviz.h: New file.
3089 * ordered-hash-map-tests.cc: New file.
3090 * ordered-hash-map.h: New file.
3091 * passes.def (pass_analyzer): Add before
3092 pass_ipa_whole_program_visibility.
3093 * selftest-run-tests.c (selftest::run_tests): Call
3094 selftest::ordered_hash_map_tests_cc_tests.
3095 * selftest.h (selftest::ordered_hash_map_tests_cc_tests): New
3096 decl.
3097 * shortest-paths.h: New file.
3098 * timevar.def (TV_ANALYZER): New timevar.
3099 (TV_ANALYZER_SUPERGRAPH): Likewise.
3100 (TV_ANALYZER_STATE_PURGE): Likewise.
3101 (TV_ANALYZER_PLAN): Likewise.
3102 (TV_ANALYZER_SCC): Likewise.
3103 (TV_ANALYZER_WORKLIST): Likewise.
3104 (TV_ANALYZER_DUMP): Likewise.
3105 (TV_ANALYZER_DIAGNOSTICS): Likewise.
3106 (TV_ANALYZER_SHORTEST_PATHS): Likewise.
3107 * tree-pass.h (make_pass_analyzer): New decl.
3108 * tristate.cc: New file.
3109 * tristate.h: New file.
3110
3111 2020-01-14 Uroš Bizjak <ubizjak@gmail.com>
3112
3113 PR target/93254
3114 * config/i386/i386.md (*movsf_internal): Require SSE2 ISA for
3115 alternatives 9 and 10.
3116
3117 2020-01-14 David Malcolm <dmalcolm@redhat.com>
3118
3119 * attribs.c (excl_hash_traits::empty_zero_p): New static constant.
3120 * gcov.c (function_start_pair_hash::empty_zero_p): Likewise.
3121 * graphite.c (struct sese_scev_hash::empty_zero_p): Likewise.
3122 * hash-map-tests.c (selftest::test_nonzero_empty_key): New selftest.
3123 (selftest::hash_map_tests_c_tests): Call it.
3124 * hash-map-traits.h (simple_hashmap_traits::empty_zero_p):
3125 New static constant, using the value of = H::empty_zero_p.
3126 (unbounded_hashmap_traits::empty_zero_p): Likewise, using the value
3127 from default_hash_traits <Value>.
3128 * hash-map.h (hash_map::empty_zero_p): Likewise, using the value
3129 from Traits.
3130 * hash-set-tests.c (value_hash_traits::empty_zero_p): Likewise.
3131 * hash-table.h (hash_table::alloc_entries): Guard the loop of
3132 calls to mark_empty with !Descriptor::empty_zero_p.
3133 (hash_table::empty_slow): Conditionalize the memset call with a
3134 check that Descriptor::empty_zero_p; otherwise, loop through the
3135 entries calling mark_empty on them.
3136 * hash-traits.h (int_hash::empty_zero_p): New static constant.
3137 (pointer_hash::empty_zero_p): Likewise.
3138 (pair_hash::empty_zero_p): Likewise.
3139 * ipa-devirt.c (default_hash_traits <type_pair>::empty_zero_p):
3140 Likewise.
3141 * ipa-prop.c (ipa_bit_ggc_hash_traits::empty_zero_p): Likewise.
3142 (ipa_vr_ggc_hash_traits::empty_zero_p): Likewise.
3143 * profile.c (location_triplet_hash::empty_zero_p): Likewise.
3144 * sanopt.c (sanopt_tree_triplet_hash::empty_zero_p): Likewise.
3145 (sanopt_tree_couple_hash::empty_zero_p): Likewise.
3146 * tree-hasher.h (int_tree_hasher::empty_zero_p): Likewise.
3147 * tree-ssa-sccvn.c (vn_ssa_aux_hasher::empty_zero_p): Likewise.
3148 * tree-vect-slp.c (bst_traits::empty_zero_p): Likewise.
3149 * tree-vectorizer.h
3150 (default_hash_traits<scalar_cond_masked_key>::empty_zero_p):
3151 Likewise.
3152
3153 2020-01-14 Kewen Lin <linkw@gcc.gnu.org>
3154
3155 * cfgloopanal.c (average_num_loop_insns): Free bbs when early return,
3156 fix typo on return value.
3157
3158 2020-01-14 Xiong Hu Luo <luoxhu@linux.ibm.com>
3159
3160 PR ipa/69678
3161 * cgraph.c (symbol_table::create_edge): Init speculative_id and
3162 target_prob.
3163 (cgraph_edge::make_speculative): Add param for setting speculative_id
3164 and target_prob.
3165 (cgraph_edge::speculative_call_info): Update comments and find reference
3166 by speculative_id for multiple indirect targets.
3167 (cgraph_edge::resolve_speculation): Decrease the speculations
3168 for indirect edge, drop it's speculative if not direct target
3169 left. Update comments.
3170 (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
3171 (cgraph_node::dump): Print num_speculative_call_targets.
3172 (cgraph_node::verify_node): Don't report error if speculative
3173 edge not include statement.
3174 (cgraph_edge::num_speculative_call_targets_p): New function.
3175 * cgraph.h (int common_target_id): Remove.
3176 (int common_target_probability): Remove.
3177 (num_speculative_call_targets): New variable.
3178 (make_speculative): Add param for setting speculative_id.
3179 (cgraph_edge::num_speculative_call_targets_p): New declare.
3180 (target_prob): New variable.
3181 (speculative_id): New variable.
3182 * ipa-fnsummary.c (analyze_function_body): Create and duplicate
3183 call summaries for multiple speculative call targets.
3184 * cgraphclones.c (cgraph_node::create_clone): Clone speculative_id.
3185 * ipa-profile.c (struct speculative_call_target): New struct.
3186 (class speculative_call_summary): New class.
3187 (class speculative_call_summaries): New class.
3188 (call_sums): New variable.
3189 (ipa_profile_generate_summary): Generate indirect multiple targets summaries.
3190 (ipa_profile_write_edge_summary): New function.
3191 (ipa_profile_write_summary): Stream out indirect multiple targets summaries.
3192 (ipa_profile_dump_all_summaries): New function.
3193 (ipa_profile_read_edge_summary): New function.
3194 (ipa_profile_read_summary_section): New function.
3195 (ipa_profile_read_summary): Stream in indirect multiple targets summaries.
3196 (ipa_profile): Generate num_speculative_call_targets from
3197 profile summaries.
3198 * ipa-ref.h (speculative_id): New variable.
3199 * ipa-utils.c (ipa_merge_profiles): Update with target_prob.
3200 * lto-cgraph.c (lto_output_edge): Remove indirect common_target_id and
3201 common_target_probability. Stream out speculative_id and
3202 num_speculative_call_targets.
3203 (input_edge): Likewise.
3204 * predict.c (dump_prediction): Remove edges count assert to be
3205 precise.
3206 * symtab.c (symtab_node::create_reference): Init speculative_id.
3207 (symtab_node::clone_references): Clone speculative_id.
3208 (symtab_node::clone_referring): Clone speculative_id.
3209 (symtab_node::clone_reference): Clone speculative_id.
3210 (symtab_node::clear_stmts_in_references): Clear speculative_id.
3211 * tree-inline.c (copy_bb): Duplicate all the speculative edges
3212 if indirect call contains multiple speculative targets.
3213 * value-prof.h (check_ic_target): Remove.
3214 * value-prof.c (gimple_value_profile_transformations):
3215 Use void function gimple_ic_transform.
3216 * value-prof.c (gimple_ic_transform): Handle topn case.
3217 Fix comment typos. Change it to a void function.
3218
3219 2020-01-13 Andrew Pinski <apinski@marvell.com>
3220
3221 * config/aarch64/aarch64-cores.def (octeontx2): New define.
3222 (octeontx2t98): New define.
3223 (octeontx2t96): New define.
3224 (octeontx2t93): New define.
3225 (octeontx2f95): New define.
3226 (octeontx2f95n): New define.
3227 (octeontx2f95mm): New define.
3228 * config/aarch64/aarch64-tune.md: Regenerate.
3229 * doc/invoke.texi (-mcpu=): Document the new cpu types.
3230
3231 2020-01-13 Jason Merrill <jason@redhat.com>
3232
3233 PR c++/33799 - destroy return value if local cleanup throws.
3234 * gimplify.c (gimplify_return_expr): Handle COMPOUND_EXPR.
3235
3236 2020-01-13 Martin Liska <mliska@suse.cz>
3237
3238 * ipa-cp.c (get_max_overall_size): Use newly
3239 renamed param param_ipa_cp_unit_growth.
3240 * params.opt: Remove legacy param name.
3241
3242 2020-01-13 Martin Sebor <msebor@redhat.com>
3243
3244 PR tree-optimization/93213
3245 * tree-ssa-strlen.c (handle_store): Only allow single-byte nul-over-nul
3246 stores to be eliminated.
3247
3248 2020-01-13 Martin Liska <mliska@suse.cz>
3249
3250 * opts.c (print_help): Do not print CL_PARAM
3251 and CL_WARNING for CL_OPTIMIZATION.
3252
3253 2020-01-13 Jonathan Wakely <jwakely@redhat.com>
3254
3255 PR driver/92757
3256 * doc/invoke.texi (Warning Options): Add caveat about some warnings
3257 depending on optimization settings.
3258
3259 2020-01-13 Jakub Jelinek <jakub@redhat.com>
3260
3261 PR tree-optimization/90838
3262 * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3263 SCALAR_INT_TYPE_MODE directly in CTZ_DEFINED_VALUE_AT_ZERO macro
3264 argument rather than to initialize temporary for targets that
3265 don't use the mode argument at all. Initialize ctzval to avoid
3266 warning at -O0.
3267
3268 2020-01-10 Thomas Schwinge <thomas@codesourcery.com>
3269
3270 * tree.h (OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT): New definition.
3271 * tree-core.h: Document it.
3272 * gimplify.c (gimplify_omp_workshare): Set it.
3273 * omp-low.c (lower_omp_target): Use it.
3274 * tree-pretty-print.c (dump_omp_clause): Print it.
3275
3276 * omp-low.c (lower_omp_target) <OMP_CLAUSE_USE_DEVICE_PTR etc.>:
3277 Assert that for OpenACC we always have 'GOMP_MAP_USE_DEVICE_PTR'.
3278
3279 2020-01-10 David Malcolm <dmalcolm@redhat.com>
3280
3281 * Makefile.in (OBJS): Add tree-diagnostic-path.o.
3282 * common.opt (fdiagnostics-path-format=): New option.
3283 (diagnostic_path_format): New enum.
3284 (fdiagnostics-show-path-depths): New option.
3285 * coretypes.h (diagnostic_event_id_t): New forward decl.
3286 * diagnostic-color.c (color_dict): Add "path".
3287 * diagnostic-event-id.h: New file.
3288 * diagnostic-format-json.cc (json_from_expanded_location): Make
3289 non-static.
3290 (json_end_diagnostic): Call context->make_json_for_path if it
3291 exists and the diagnostic has a path.
3292 (diagnostic_output_format_init): Clear context->print_path.
3293 * diagnostic-path.h: New file.
3294 * diagnostic-show-locus.c (colorizer::set_range): Special-case
3295 when printing a run of events in a diagnostic_path so that they
3296 all get the same color.
3297 (layout::m_diagnostic_path_p): New field.
3298 (layout::layout): Initialize it.
3299 (layout::print_any_labels): Don't colorize the label text for an
3300 event in a diagnostic_path.
3301 (gcc_rich_location::add_location_if_nearby): Add
3302 "restrict_to_current_line_spans" and "label" params. Pass the
3303 former to layout.maybe_add_location_range; pass the latter
3304 when calling add_range.
3305 * diagnostic.c: Include "diagnostic-path.h".
3306 (diagnostic_initialize): Initialize context->path_format and
3307 context->show_path_depths.
3308 (diagnostic_show_any_path): New function.
3309 (diagnostic_path::interprocedural_p): New function.
3310 (diagnostic_report_diagnostic): Call diagnostic_show_any_path.
3311 (simple_diagnostic_path::num_events): New function.
3312 (simple_diagnostic_path::get_event): New function.
3313 (simple_diagnostic_path::add_event): New function.
3314 (simple_diagnostic_event::simple_diagnostic_event): New ctor.
3315 (simple_diagnostic_event::~simple_diagnostic_event): New dtor.
3316 (debug): New overload taking a diagnostic_path *.
3317 * diagnostic.def (DK_DIAGNOSTIC_PATH): New.
3318 * diagnostic.h (enum diagnostic_path_format): New enum.
3319 (json::value): New forward decl.
3320 (diagnostic_context::path_format): New field.
3321 (diagnostic_context::show_path_depths): New field.
3322 (diagnostic_context::print_path): New callback field.
3323 (diagnostic_context::make_json_for_path): New callback field.
3324 (diagnostic_show_any_path): New decl.
3325 (json_from_expanded_location): New decl.
3326 * doc/invoke.texi (-fdiagnostics-path-format=): New option.
3327 (-fdiagnostics-show-path-depths): New option.
3328 (-fdiagnostics-color): Add "path" to description of default
3329 GCC_COLORS; describe it.
3330 (-fdiagnostics-format=json): Document how diagnostic paths are
3331 represented in the JSON output format.
3332 * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
3333 Add optional params "restrict_to_current_line_spans" and "label".
3334 * opts.c (common_handle_option): Handle
3335 OPT_fdiagnostics_path_format_ and
3336 OPT_fdiagnostics_show_path_depths.
3337 * pretty-print.c: Include "diagnostic-event-id.h".
3338 (pp_format): Implement "%@" format code for printing
3339 diagnostic_event_id_t *.
3340 (selftest::test_pp_format): Add tests for "%@".
3341 * selftest-run-tests.c (selftest::run_tests): Call
3342 selftest::tree_diagnostic_path_cc_tests.
3343 * selftest.h (selftest::tree_diagnostic_path_cc_tests): New decl.
3344 * toplev.c (general_init): Initialize global_dc->path_format and
3345 global_dc->show_path_depths.
3346 * tree-diagnostic-path.cc: New file.
3347 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Make
3348 non-static. Drop "diagnostic" param in favor of storing the
3349 original value of "where" and re-using it.
3350 (virt_loc_aware_diagnostic_finalizer): Update for dropped param of
3351 maybe_unwind_expanded_macro_loc.
3352 (tree_diagnostics_defaults): Initialize context->print_path and
3353 context->make_json_for_path.
3354 * tree-diagnostic.h (default_tree_diagnostic_path_printer): New
3355 decl.
3356 (default_tree_make_json_for_path): New decl.
3357 (maybe_unwind_expanded_macro_loc): New decl.
3358
3359 2020-01-10 Jakub Jelinek <jakub@redhat.com>
3360
3361 PR tree-optimization/93210
3362 * fold-const.h (native_encode_initializer,
3363 can_native_interpret_type_p): Declare.
3364 * fold-const.c (native_encode_string): Fix up handling with off != -1,
3365 simplify.
3366 (native_encode_initializer): New function, moved from dwarf2out.c.
3367 Adjust to native_encode_expr compatible arguments, including dry-run
3368 and partial extraction modes. Don't handle STRING_CST.
3369 (can_native_interpret_type_p): No longer static.
3370 * gimple-fold.c (fold_ctor_reference): For native_encode_expr, verify
3371 offset / BITS_PER_UNIT fits into int and don't call it if
3372 can_native_interpret_type_p fails. If suboff is NULL and for
3373 CONSTRUCTOR fold_{,non}array_ctor_reference returns NULL, retry with
3374 native_encode_initializer.
3375 (fold_const_aggregate_ref_1): Formatting fix.
3376 * dwarf2out.c (native_encode_initializer): Moved to fold-const.c.
3377 (tree_add_const_value_attribute): Adjust caller.
3378
3379 PR tree-optimization/90838
3380 * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3381 SCALAR_INT_TYPE_MODE instead of TYPE_MODE as operand of
3382 CTZ_DEFINED_VALUE_AT_ZERO.
3383
3384 2020-01-10 Vladimir Makarov <vmakarov@redhat.com>
3385
3386 PR inline-asm/93027
3387 * lra-constraints.c (match_reload): Permit input operands have the
3388 same mode as output while other input operands have a different
3389 mode.
3390
3391 2020-01-10 Wilco Dijkstra <wdijkstr@arm.com>
3392
3393 PR tree-optimization/90838
3394 * tree-ssa-forwprop.c (check_ctz_array): Add new function.
3395 (check_ctz_string): Likewise.
3396 (optimize_count_trailing_zeroes): Likewise.
3397 (simplify_count_trailing_zeroes): Likewise.
3398 (pass_forwprop::execute): Try ctz simplification.
3399 * match.pd: Add matching for ctz idioms.
3400
3401 2020-01-10 Stam Markianos-Wright <stam.markianos-wright@arm.com>
3402
3403 * config/aarch64/aarch64.c (aarch64_invalid_conversion): New function
3404 for target hook.
3405 (aarch64_invalid_unary_op): New function for target hook.
3406 (aarch64_invalid_binary_op): New function for target hook.
3407
3408 2020-01-10 Stam Markianos-Wright <stam.markianos-wright@arm.com>
3409
3410 * config.gcc: Add arm_bf16.h.
3411 * config/aarch64/aarch64-builtins.c
3412 (aarch64_simd_builtin_std_type): Add BFmode.
3413 (aarch64_init_simd_builtin_types): Define element types for vector
3414 types.
3415 (aarch64_init_bf16_types): New function.
3416 (aarch64_general_init_builtins): Add arm_init_bf16_types function call.
3417 * config/aarch64/aarch64-modes.def: Add BFmode and V4BF, V8BF vector
3418 modes.
3419 * config/aarch64/aarch64-simd-builtin-types.def: Add BF SIMD types.
3420 * config/aarch64/aarch64-simd.md: Add BF vector types to NEON move
3421 patterns.
3422 * config/aarch64/aarch64.h (AARCH64_VALID_SIMD_DREG_MODE): Add V4BF.
3423 (AARCH64_VALID_SIMD_QREG_MODE): Add V8BF.
3424 * config/aarch64/aarch64.c
3425 (aarch64_classify_vector_mode): Add support for BF types.
3426 (aarch64_gimplify_va_arg_expr): Add support for BF types.
3427 (aarch64_vq_mode): Add support for BF types.
3428 (aarch64_simd_container_mode): Add support for BF types.
3429 (aarch64_mangle_type): Add support for BF scalar type.
3430 * config/aarch64/aarch64.md: Add BFmode to movhf pattern.
3431 * config/aarch64/arm_bf16.h: New file.
3432 * config/aarch64/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
3433 * config/aarch64/iterators.md: Add BF types to mode attributes.
3434 (HFBF, GPF_TF_F16_MOV, VDMOV, VQMOV, VQMOV_NO2Em VALL_F16MOV): New.
3435
3436 2020-01-10 Jason Merrill <jason@redhat.com>
3437
3438 PR c++/93173 - incorrect tree sharing.
3439 * gimplify.c (copy_if_shared): No longer static.
3440 * gimplify.h: Declare it.
3441
3442 2020-01-10 Richard Sandiford <richard.sandiford@arm.com>
3443
3444 * doc/invoke.texi (-msve-vector-bits=): Document that
3445 -msve-vector-bits=128 now generates VL-specific code for
3446 little-endian targets.
3447 * config/aarch64/aarch64-sve-builtins.cc (register_builtin_types): Use
3448 build_vector_type_for_mode to construct the data vector types.
3449 * config/aarch64/aarch64.c (aarch64_convert_sve_vector_bits): Generate
3450 VL-specific code for -msve-vector-bits=128 on little-endian targets.
3451 (aarch64_simd_container_mode): Always prefer Advanced SIMD modes
3452 for 128-bit vectors.
3453
3454 2020-01-10 Richard Sandiford <richard.sandiford@arm.com>
3455
3456 * config/aarch64/aarch64.c (aarch64_evpc_sel): Fix gen_vcond_mask
3457 invocation.
3458
3459 2020-01-10 Richard Sandiford <richard.sandiford@arm.com>
3460
3461 * config/aarch64/aarch64-builtins.c
3462 (aarch64_builtin_vectorized_function): Check for specific vector modes,
3463 rather than checking the number of elements and the element mode.
3464
3465 2020-01-10 Richard Sandiford <richard.sandiford@arm.com>
3466
3467 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
3468 get_related_vectype_for_scalar_type rather than build_vector_type
3469 to create the index type for a conditional reduction.
3470
3471 2020-01-10 Richard Sandiford <richard.sandiford@arm.com>
3472
3473 * tree-vect-loop.c (update_epilogue_loop_vinfo): Update DR_REF
3474 for any type of gather or scatter, including strided accesses.
3475
3476 2020-01-10 Andre Vieira <andre.simoesdiasvieira@arm.com>
3477
3478 * tree-vectorizer.h (get_dr_vinfo_offset): Add missing function
3479 comment.
3480
3481 2020-01-10 Andre Vieira <andre.simoesdiasvieira@arm.com>
3482
3483 * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Use
3484 get_dr_vinfo_offset
3485 * tree-vect-loop.c (update_epilogue_loop_vinfo): Remove orig_drs_init
3486 parameter and its use to reset DR_OFFSET's.
3487 (vect_transform_loop): Remove orig_drs_init argument.
3488 * tree-vect-loop-manip.c (vect_update_init_of_dr): Update the offset
3489 member of dr_vec_info rather than the offset of the associated
3490 data_reference's innermost_loop_behavior.
3491 (vect_update_init_of_dr): Pass dr_vec_info instead of data_reference.
3492 (vect_do_peeling): Remove orig_drs_init parameter and its construction.
3493 * tree-vect-stmts.c (check_scan_store): Replace use of DR_OFFSET with
3494 get_dr_vinfo_offset.
3495 (vectorizable_store): Likewise.
3496 (vectorizable_load): Likewise.
3497
3498 2020-01-10 Richard Biener <rguenther@suse.de>
3499
3500 * gimple-ssa-store-merging
3501 (pass_store_merging::terminate_all_aliasing_chains): Cache alias info.
3502
3503 2020-01-10 Martin Liska <mliska@suse.cz>
3504
3505 PR ipa/93217
3506 * ipa-inline-analysis.c (offline_size): Make proper parenthesis
3507 encapsulation that was there before r280040.
3508
3509 2020-01-10 Richard Biener <rguenther@suse.de>
3510
3511 PR middle-end/93199
3512 * tree-eh.c (sink_clobbers): Move clobbers to out-of-IL
3513 sequences to avoid walking them again for secondary opportunities.
3514 (pass_lower_eh_dispatch::execute): Instead actually insert
3515 them here.
3516
3517 2020-01-10 Richard Biener <rguenther@suse.de>
3518
3519 PR middle-end/93199
3520 * tree-eh.c (redirect_eh_edge_1): Avoid some work if possible.
3521 (cleanup_all_empty_eh): Walk landing pads in reverse order to
3522 avoid quadraticness.
3523
3524 2020-01-10 Martin Jambor <mjambor@suse.cz>
3525
3526 * params.opt (param_ipa_sra_max_replacements): Mark as Optimization.
3527 * ipa-sra.c (pull_accesses_from_callee): New parameter caller, use it
3528 to get param_ipa_sra_max_replacements.
3529 (param_splitting_across_edge): Pass the caller to
3530 pull_accesses_from_callee.
3531
3532 2020-01-10 Martin Jambor <mjambor@suse.cz>
3533
3534 * params.opt (param_ipcp_unit_growth): Mark as Optimization.
3535 * ipa-cp.c (max_new_size): Removed.
3536 (orig_overall_size): New variable.
3537 (get_max_overall_size): New function.
3538 (estimate_local_effects): Use it. Adjust dump.
3539 (decide_about_value): Likewise.
3540 (ipcp_propagate_stage): Do not calculate max_new_size, just store
3541 orig_overall_size. Adjust dump.
3542 (ipa_cp_c_finalize): Clear orig_overall_size instead of max_new_size.
3543
3544 2020-01-10 Martin Jambor <mjambor@suse.cz>
3545
3546 * params.opt (param_ipa_max_agg_items): Mark as Optimization
3547 * ipa-cp.c (merge_agg_lats_step): New parameter max_agg_items, use
3548 instead of param_ipa_max_agg_items.
3549 (merge_aggregate_lattices): Extract param_ipa_max_agg_items from
3550 optimization info for the callee.
3551
3552 2020-01-09 Kwok Cheung Yeung <kcy@codesourcery.com>
3553
3554 * lto-streamer-in.c (input_function): Remove streamed-in inline debug
3555 markers if debug_inline_points is false.
3556
3557 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3558
3559 * config.gcc (aarch64*-*-*): Add aarch64-sve-builtins-sve2.o to
3560 extra_objs.
3561 * config/aarch64/t-aarch64 (aarch64-sve-builtins.o): Depend on
3562 aarch64-sve-builtins-base.def, aarch64-sve-builtins-sve2.def and
3563 aarch64-sve-builtins-sve2.h.
3564 (aarch64-sve-builtins-sve2.o): New rule.
3565 * config/aarch64/aarch64.h (AARCH64_ISA_SVE2_AES): New macro.
3566 (AARCH64_ISA_SVE2_BITPERM, AARCH64_ISA_SVE2_SHA3): Likewise.
3567 (AARCH64_ISA_SVE2_SM4, TARGET_SVE2_AES, TARGET_SVE2_BITPERM): Likewise.
3568 (TARGET_SVE2_SHA, TARGET_SVE2_SM4): Likewise.
3569 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
3570 TARGET_SVE2_AES, TARGET_SVE2_BITPERM, TARGET_SVE2_SHA3 and
3571 TARGET_SVE2_SM4.
3572 * config/aarch64/aarch64-sve.md: Update comments with SVE2
3573 instructions that are handled here.
3574 (@cond_asrd<mode>): Generalize to...
3575 (@cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>): ...this.
3576 (*cond_asrd<mode>_2): Generalize to...
3577 (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_2): ...this.
3578 (*cond_asrd<mode>_z): Generalize to...
3579 (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_z): ...this.
3580 * config/aarch64/aarch64.md (UNSPEC_LDNT1_GATHER): New unspec.
3581 (UNSPEC_STNT1_SCATTER, UNSPEC_WHILEGE, UNSPEC_WHILEGT): Likewise.
3582 (UNSPEC_WHILEHI, UNSPEC_WHILEHS): Likewise.
3583 * config/aarch64/aarch64-sve2.md (@aarch64_gather_ldnt<mode>): New
3584 pattern.
3585 (@aarch64_gather_ldnt_<ANY_EXTEND:optab><SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
3586 (@aarch64_scatter_stnt<mode>): Likewise.
3587 (@aarch64_scatter_stnt_<SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
3588 (@aarch64_mul_lane_<mode>): Likewise.
3589 (@aarch64_sve_suqadd<mode>_const): Likewise.
3590 (*<sur>h<addsub><mode>): Generalize to...
3591 (@aarch64_pred_<SVE2_COND_INT_BINARY_REV:sve_int_op><mode>): ...this
3592 new pattern.
3593 (@cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>): New expander.
3594 (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_2): New pattern.
3595 (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_3): Likewise.
3596 (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_any): Likewise.
3597 (*cond_<SVE2_COND_INT_BINARY_NOREV:sve_int_op><mode>_z): Likewise.
3598 (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op><mode>):: Likewise.
3599 (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op>_lane_<mode>): Likewise.
3600 (@aarch64_pred_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): Likewise.
3601 (@cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): New expander.
3602 (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_2): New pattern.
3603 (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_3): Likewise.
3604 (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_any): Likewise.
3605 (@aarch64_sve_<SVE2_INT_TERNARY:sve_int_op><mode>): Likewise.
3606 (@aarch64_sve_<SVE2_INT_TERNARY_LANE:sve_int_op>_lane_<mode>)
3607 (@aarch64_sve_add_mul_lane_<mode>): Likewise.
3608 (@aarch64_sve_sub_mul_lane_<mode>): Likewise.
3609 (@aarch64_sve2_xar<mode>): Likewise.
3610 (@aarch64_sve2_bcax<mode>): Likewise.
3611 (*aarch64_sve2_eor3<mode>): Rename to...
3612 (@aarch64_sve2_eor3<mode>): ...this.
3613 (@aarch64_sve2_bsl<mode>): New expander.
3614 (@aarch64_sve2_nbsl<mode>): Likewise.
3615 (@aarch64_sve2_bsl1n<mode>): Likewise.
3616 (@aarch64_sve2_bsl2n<mode>): Likewise.
3617 (@aarch64_sve_add_<SHIFTRT:sve_int_op><mode>): Likewise.
3618 (*aarch64_sve2_sra<mode>): Add MOVPRFX support.
3619 (@aarch64_sve_add_<VRSHR_N:sve_int_op><mode>): New pattern.
3620 (@aarch64_sve_<SVE2_INT_SHIFT_INSERT:sve_int_op><mode>): Likewise.
3621 (@aarch64_sve2_<USMAX:su>aba<mode>): New expander.
3622 (*aarch64_sve2_<USMAX:su>aba<mode>): New pattern.
3623 (@aarch64_sve_<SVE2_INT_BINARY_WIDE:sve_int_op><mode>): Likewise.
3624 (<su>mull<bt><Vwide>): Generalize to...
3625 (@aarch64_sve_<SVE2_INT_BINARY_LONG:sve_int_op><mode>): ...this new
3626 pattern.
3627 (@aarch64_sve_<SVE2_INT_BINARY_LONG_lANE:sve_int_op>_lane_<mode>)
3628 (@aarch64_sve_<SVE2_INT_SHIFT_IMM_LONG:sve_int_op><mode>)
3629 (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG:sve_int_op><mode>)
3630 (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3631 (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG:sve_int_op><mode>)
3632 (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3633 (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG:sve_int_op><mode>)
3634 (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3635 (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG:sve_int_op><mode>)
3636 (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3637 (@aarch64_sve_<SVE2_FP_TERNARY_LONG:sve_fp_op><mode>): New patterns.
3638 (@aarch64_<SVE2_FP_TERNARY_LONG_LANE:sve_fp_op>_lane_<mode>)
3639 (@aarch64_sve_<SVE2_INT_UNARY_NARROWB:sve_int_op><mode>): Likewise.
3640 (@aarch64_sve_<SVE2_INT_UNARY_NARROWT:sve_int_op><mode>): Likewise.
3641 (@aarch64_sve_<SVE2_INT_BINARY_NARROWB:sve_int_op><mode>): Likewise.
3642 (@aarch64_sve_<SVE2_INT_BINARY_NARROWT:sve_int_op><mode>): Likewise.
3643 (<SHRNB:r>shrnb<mode>): Generalize to...
3644 (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWB:sve_int_op><mode>): ...this
3645 new pattern.
3646 (<SHRNT:r>shrnt<mode>): Generalize to...
3647 (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWT:sve_int_op><mode>): ...this
3648 new pattern.
3649 (@aarch64_pred_<SVE2_INT_BINARY_PAIR:sve_int_op><mode>): New pattern.
3650 (@aarch64_pred_<SVE2_FP_BINARY_PAIR:sve_fp_op><mode>): Likewise.
3651 (@cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>): New expander.
3652 (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_2): New pattern.
3653 (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_z): Likewise.
3654 (@aarch64_sve_<SVE2_INT_CADD:optab><mode>): Likewise.
3655 (@aarch64_sve_<SVE2_INT_CMLA:optab><mode>): Likewise.
3656 (@aarch64_<SVE2_INT_CMLA:optab>_lane_<mode>): Likewise.
3657 (@aarch64_sve_<SVE2_INT_CDOT:optab><mode>): Likewise.
3658 (@aarch64_<SVE2_INT_CDOT:optab>_lane_<mode>): Likewise.
3659 (@aarch64_pred_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): Likewise.
3660 (@cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New expander.
3661 (*cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New pattern.
3662 (@aarch64_sve2_cvtnt<mode>): Likewise.
3663 (@aarch64_pred_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): Likewise.
3664 (@cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): New expander.
3665 (*cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>_any): New pattern.
3666 (@aarch64_sve2_cvtxnt<mode>): Likewise.
3667 (@aarch64_pred_<SVE2_U32_UNARY:sve_int_op><mode>): Likewise.
3668 (@cond_<SVE2_U32_UNARY:sve_int_op><mode>): New expander.
3669 (*cond_<SVE2_U32_UNARY:sve_int_op><mode>): New pattern.
3670 (@aarch64_pred_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): Likewise.
3671 (@cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New expander.
3672 (*cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New pattern.
3673 (@aarch64_sve2_pmul<mode>): Likewise.
3674 (@aarch64_sve_<SVE2_PMULL:optab><mode>): Likewise.
3675 (@aarch64_sve_<SVE2_PMULL_PAIR:optab><mode>): Likewise.
3676 (@aarch64_sve2_tbl2<mode>): Likewise.
3677 (@aarch64_sve2_tbx<mode>): Likewise.
3678 (@aarch64_sve_<SVE2_INT_BITPERM:sve_int_op><mode>): Likewise.
3679 (@aarch64_sve2_histcnt<mode>): Likewise.
3680 (@aarch64_sve2_histseg<mode>): Likewise.
3681 (@aarch64_pred_<SVE2_MATCH:sve_int_op><mode>): Likewise.
3682 (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_cc): Likewise.
3683 (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_ptest): Likewise.
3684 (aarch64_sve2_aes<CRYPTO_AES:aes_op>): Likewise.
3685 (aarch64_sve2_aes<CRYPTO_AESMC:aesmc_op>): Likewise.
3686 (*aarch64_sve2_aese_fused, *aarch64_sve2_aesd_fused): Likewise.
3687 (aarch64_sve2_rax1, aarch64_sve2_sm4e, aarch64_sve2_sm4ekey): Likewise.
3688 (<su>mulh<r>s<mode>3): Update after above pattern name changes.
3689 * config/aarch64/iterators.md (VNx16QI_ONLY, VNx4SF_ONLY)
3690 (SVE_STRUCT2, SVE_FULL_BHI, SVE_FULL_HSI, SVE_FULL_HDI)
3691 (SVE2_PMULL_PAIR_I): New mode iterators.
3692 (UNSPEC_ADCLB, UNSPEC_ADCLT, UNSPEC_ADDHNB, UNSPEC_ADDHNT, UNSPEC_BDEP)
3693 (UNSPEC_BEXT, UNSPEC_BGRP, UNSPEC_CADD90, UNSPEC_CADD270, UNSPEC_CDOT)
3694 (UNSPEC_CDOT90, UNSPEC_CDOT180, UNSPEC_CDOT270, UNSPEC_CMLA)
3695 (UNSPEC_CMLA90, UNSPEC_CMLA180, UNSPEC_CMLA270, UNSPEC_COND_FCVTLT)
3696 (UNSPEC_COND_FCVTNT, UNSPEC_COND_FCVTX, UNSPEC_COND_FCVTXNT)
3697 (UNSPEC_COND_FLOGB, UNSPEC_EORBT, UNSPEC_EORTB, UNSPEC_FADDP)
3698 (UNSPEC_FMAXP, UNSPEC_FMAXNMP, UNSPEC_FMLALB, UNSPEC_FMLALT)
3699 (UNSPEC_FMLSLB, UNSPEC_FMLSLT, UNSPEC_FMINP, UNSPEC_FMINNMP)
3700 (UNSPEC_HISTCNT, UNSPEC_HISTSEG, UNSPEC_MATCH, UNSPEC_NMATCH)
3701 (UNSPEC_PMULLB, UNSPEC_PMULLB_PAIR, UNSPEC_PMULLT, UNSPEC_PMULLT_PAIR)
3702 (UNSPEC_RADDHNB, UNSPEC_RADDHNT, UNSPEC_RSUBHNB, UNSPEC_RSUBHNT)
3703 (UNSPEC_SLI, UNSPEC_SRI, UNSPEC_SABDLB, UNSPEC_SABDLT, UNSPEC_SADDLB)
3704 (UNSPEC_SADDLBT, UNSPEC_SADDLT, UNSPEC_SADDWB, UNSPEC_SADDWT)
3705 (UNSPEC_SBCLB, UNSPEC_SBCLT, UNSPEC_SMAXP, UNSPEC_SMINP)
3706 (UNSPEC_SQCADD90, UNSPEC_SQCADD270, UNSPEC_SQDMULLB, UNSPEC_SQDMULLBT)
3707 (UNSPEC_SQDMULLT, UNSPEC_SQRDCMLAH, UNSPEC_SQRDCMLAH90)
3708 (UNSPEC_SQRDCMLAH180, UNSPEC_SQRDCMLAH270, UNSPEC_SQRSHRNB)
3709 (UNSPEC_SQRSHRNT, UNSPEC_SQRSHRUNB, UNSPEC_SQRSHRUNT, UNSPEC_SQSHRNB)
3710 (UNSPEC_SQSHRNT, UNSPEC_SQSHRUNB, UNSPEC_SQSHRUNT, UNSPEC_SQXTNB)
3711 (UNSPEC_SQXTNT, UNSPEC_SQXTUNB, UNSPEC_SQXTUNT, UNSPEC_SSHLLB)
3712 (UNSPEC_SSHLLT, UNSPEC_SSUBLB, UNSPEC_SSUBLBT, UNSPEC_SSUBLT)
3713 (UNSPEC_SSUBLTB, UNSPEC_SSUBWB, UNSPEC_SSUBWT, UNSPEC_SUBHNB)
3714 (UNSPEC_SUBHNT, UNSPEC_TBL2, UNSPEC_UABDLB, UNSPEC_UABDLT)
3715 (UNSPEC_UADDLB, UNSPEC_UADDLT, UNSPEC_UADDWB, UNSPEC_UADDWT)
3716 (UNSPEC_UMAXP, UNSPEC_UMINP, UNSPEC_UQRSHRNB, UNSPEC_UQRSHRNT)
3717 (UNSPEC_UQSHRNB, UNSPEC_UQSHRNT, UNSPEC_UQXTNB, UNSPEC_UQXTNT)
3718 (UNSPEC_USHLLB, UNSPEC_USHLLT, UNSPEC_USUBLB, UNSPEC_USUBLT)
3719 (UNSPEC_USUBWB, UNSPEC_USUBWT): New unspecs.
3720 (UNSPEC_SMULLB, UNSPEC_SMULLT, UNSPEC_UMULLB, UNSPEC_UMULLT)
3721 (UNSPEC_SMULHS, UNSPEC_SMULHRS, UNSPEC_UMULHS, UNSPEC_UMULHRS)
3722 (UNSPEC_RSHRNB, UNSPEC_RSHRNT, UNSPEC_SHRNB, UNSPEC_SHRNT): Move
3723 further down file.
3724 (VNARROW, Ventype): New mode attributes.
3725 (Vewtype): Handle VNx2DI. Fix typo in comment.
3726 (VDOUBLE): New mode attribute.
3727 (sve_lane_con): Handle VNx8HI.
3728 (SVE_INT_UNARY): Include ss_abs and ss_neg for TARGET_SVE2.
3729 (SVE_INT_BINARY): Likewise ss_plus, us_plus, ss_minus and us_minus.
3730 (sve_int_op, sve_int_op_rev): Handle the above codes.
3731 (sve_pred_int_rhs2_operand): Likewise.
3732 (MULLBT, SHRNB, SHRNT): Delete.
3733 (SVE_INT_SHIFT_IMM): New int iterator.
3734 (SVE_WHILE): Add UNSPEC_WHILEGE, UNSPEC_WHILEGT, UNSPEC_WHILEHI
3735 and UNSPEC_WHILEHS for TARGET_SVE2.
3736 (SVE2_U32_UNARY, SVE2_INT_UNARY_NARROWB, SVE2_INT_UNARY_NARROWT)
3737 (SVE2_INT_BINARY, SVE2_INT_BINARY_LANE, SVE2_INT_BINARY_LONG)
3738 (SVE2_INT_BINARY_LONG_LANE, SVE2_INT_BINARY_NARROWB)
3739 (SVE2_INT_BINARY_NARROWT, SVE2_INT_BINARY_PAIR, SVE2_FP_BINARY_PAIR)
3740 (SVE2_INT_BINARY_PAIR_LONG, SVE2_INT_BINARY_WIDE): New int iterators.
3741 (SVE2_INT_SHIFT_IMM_LONG, SVE2_INT_SHIFT_IMM_NARROWB): Likewise.
3742 (SVE2_INT_SHIFT_IMM_NARROWT, SVE2_INT_SHIFT_INSERT, SVE2_INT_CADD)
3743 (SVE2_INT_BITPERM, SVE2_INT_TERNARY, SVE2_INT_TERNARY_LANE): Likewise.
3744 (SVE2_FP_TERNARY_LONG, SVE2_FP_TERNARY_LONG_LANE, SVE2_INT_CMLA)
3745 (SVE2_INT_CDOT, SVE2_INT_ADD_BINARY_LONG, SVE2_INT_QADD_BINARY_LONG)
3746 (SVE2_INT_SUB_BINARY_LONG, SVE2_INT_QSUB_BINARY_LONG): Likewise.
3747 (SVE2_INT_ADD_BINARY_LONG_LANE, SVE2_INT_QADD_BINARY_LONG_LANE)
3748 (SVE2_INT_SUB_BINARY_LONG_LANE, SVE2_INT_QSUB_BINARY_LONG_LANE)
3749 (SVE2_COND_INT_UNARY_FP, SVE2_COND_FP_UNARY_LONG): Likewise.
3750 (SVE2_COND_FP_UNARY_NARROWB, SVE2_COND_INT_BINARY): Likewise.
3751 (SVE2_COND_INT_BINARY_NOREV, SVE2_COND_INT_BINARY_REV): Likewise.
3752 (SVE2_COND_INT_SHIFT, SVE2_MATCH, SVE2_PMULL): Likewise.
3753 (optab): Handle the new unspecs.
3754 (su, r): Remove entries for UNSPEC_SHRNB, UNSPEC_SHRNT, UNSPEC_RSHRNB
3755 and UNSPEC_RSHRNT.
3756 (lr): Handle the new unspecs.
3757 (bt): Delete.
3758 (cmp_op, while_optab_cmp, sve_int_op): Handle the new unspecs.
3759 (sve_int_op_rev, sve_int_add_op, sve_int_qadd_op, sve_int_sub_op)
3760 (sve_int_qsub_op): New int attributes.
3761 (sve_fp_op, rot): Handle the new unspecs.
3762 * config/aarch64/aarch64-sve-builtins.h
3763 (function_resolver::require_matching_pointer_type): Declare.
3764 (function_resolver::resolve_unary): Add an optional boolean argument.
3765 (function_resolver::finish_opt_n_resolution): Add an optional
3766 type_suffix_index argument.
3767 (gimple_folder::redirect_call): Declare.
3768 (gimple_expander::prepare_gather_address_operands): Add an optional
3769 bool parameter.
3770 * config/aarch64/aarch64-sve-builtins.cc: Include
3771 aarch64-sve-builtins-sve2.h.
3772 (TYPES_b_unsigned, TYPES_b_integer, TYPES_bh_integer): New macros.
3773 (TYPES_bs_unsigned, TYPES_hs_signed, TYPES_hs_integer): Likewise.
3774 (TYPES_hd_unsigned, TYPES_hsd_signed): Likewise.
3775 (TYPES_hsd_integer): Use TYPES_hsd_signed.
3776 (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): New macros.
3777 (TYPES_s_unsigned): Likewise.
3778 (TYPES_s_integer): Use TYPES_s_unsigned.
3779 (TYPES_sd_signed, TYPES_sd_unsigned): New macros.
3780 (TYPES_sd_integer): Use them.
3781 (TYPES_d_unsigned): New macro.
3782 (TYPES_d_integer): Use it.
3783 (TYPES_d_data, TYPES_cvt_long, TYPES_cvt_narrow_s): New macros.
3784 (TYPES_cvt_narrow): Likewise.
3785 (DEF_SVE_TYPES_ARRAY): Include the new types macros above.
3786 (preds_mx): New variable.
3787 (function_builder::add_overloaded_function): Allow the new feature
3788 set to be more restrictive than the original one.
3789 (function_resolver::infer_pointer_type): Remove qualifiers from
3790 the pointer type before printing it.
3791 (function_resolver::require_matching_pointer_type): New function.
3792 (function_resolver::resolve_sv_displacement): Handle functions
3793 that don't support 32-bit vector indices or svint32_t vector offsets.
3794 (function_resolver::finish_opt_n_resolution): Take the inferred type
3795 as a separate argument.
3796 (function_resolver::resolve_unary): Optionally treat all forms in
3797 the same way as normal merging functions.
3798 (gimple_folder::redirect_call): New function.
3799 (function_expander::prepare_gather_address_operands): Add an argument
3800 that says whether scaled forms are available. If they aren't,
3801 handle scaling of vector indices and don't add the extension and
3802 scaling operands.
3803 (function_expander::map_to_unspecs): If aarch64_sve isn't available,
3804 fall back to using cond_* instead.
3805 * config/aarch64/aarch64-sve-builtins-functions.h (rtx_code_function):
3806 Split out the member variables into...
3807 (rtx_code_function_base): ...this new base class.
3808 (rtx_code_function_rotated): Inherit rtx_code_function_base.
3809 (unspec_based_function): Split out the member variables into...
3810 (unspec_based_function_base): ...this new base class.
3811 (unspec_based_function_rotated): Inherit unspec_based_function_base.
3812 (unspec_based_function_exact_insn): New class.
3813 (unspec_based_add_function, unspec_based_add_lane_function)
3814 (unspec_based_lane_function, unspec_based_pred_function)
3815 (unspec_based_qadd_function, unspec_based_qadd_lane_function)
3816 (unspec_based_qsub_function, unspec_based_qsub_lane_function)
3817 (unspec_based_sub_function, unspec_based_sub_lane_function): New
3818 typedefs.
3819 (unspec_based_fused_function): New class.
3820 (unspec_based_mla_function, unspec_based_mls_function): New typedefs.
3821 (unspec_based_fused_lane_function): New class.
3822 (unspec_based_mla_lane_function, unspec_based_mls_lane_function): New
3823 typedefs.
3824 (CODE_FOR_MODE1): New macro.
3825 (fixed_insn_function): New class.
3826 (while_comparison): Likewise.
3827 * config/aarch64/aarch64-sve-builtins-shapes.h (binary_long_lane)
3828 (binary_long_opt_n, binary_narrowb_opt_n, binary_narrowt_opt_n)
3829 (binary_to_uint, binary_wide, binary_wide_opt_n, compare, compare_ptr)
3830 (load_ext_gather_index_restricted, load_ext_gather_offset_restricted)
3831 (load_gather_sv_restricted, shift_left_imm_long): Declare.
3832 (shift_left_imm_to_uint, shift_right_imm_narrowb): Likewise.
3833 (shift_right_imm_narrowt, shift_right_imm_narrowb_to_uint): Likewise.
3834 (shift_right_imm_narrowt_to_uint, store_scatter_index_restricted)
3835 (store_scatter_offset_restricted, tbl_tuple, ternary_long_lane)
3836 (ternary_long_opt_n, ternary_qq_lane_rotate, ternary_qq_rotate)
3837 (ternary_shift_left_imm, ternary_shift_right_imm, ternary_uint)
3838 (unary_convert_narrowt, unary_long, unary_narrowb, unary_narrowt)
3839 (unary_narrowb_to_uint, unary_narrowt_to_uint, unary_to_int): Likewise.
3840 * config/aarch64/aarch64-sve-builtins-shapes.cc (apply_predication):
3841 Also add an initial argument for unary_convert_narrowt, regardless
3842 of the predication type.
3843 (build_32_64): Allow loads and stores to specify MODE_none.
3844 (build_sv_index64, build_sv_uint_offset): New functions.
3845 (long_type_suffix): New function.
3846 (binary_imm_narrowb_base, binary_imm_narrowt_base): New classes.
3847 (binary_imm_long_base, load_gather_sv_base): Likewise.
3848 (shift_right_imm_narrow_wrapper, ternary_shift_imm_base): Likewise.
3849 (ternary_resize2_opt_n_base, ternary_resize2_lane_base): Likewise.
3850 (unary_narrowb_base, unary_narrowt_base): Likewise.
3851 (binary_long_lane_def, binary_long_lane): New shape.
3852 (binary_long_opt_n_def, binary_long_opt_n): Likewise.
3853 (binary_narrowb_opt_n_def, binary_narrowb_opt_n): Likewise.
3854 (binary_narrowt_opt_n_def, binary_narrowt_opt_n): Likewise.
3855 (binary_to_uint_def, binary_to_uint): Likewise.
3856 (binary_wide_def, binary_wide): Likewise.
3857 (binary_wide_opt_n_def, binary_wide_opt_n): Likewise.
3858 (compare_def, compare): Likewise.
3859 (compare_ptr_def, compare_ptr): Likewise.
3860 (load_ext_gather_index_restricted_def,
3861 load_ext_gather_index_restricted): Likewise.
3862 (load_ext_gather_offset_restricted_def,
3863 load_ext_gather_offset_restricted): Likewise.
3864 (load_gather_sv_def): Inherit from load_gather_sv_base.
3865 (load_gather_sv_restricted_def, load_gather_sv_restricted): New shape.
3866 (shift_left_imm_def, shift_left_imm): Likewise.
3867 (shift_left_imm_long_def, shift_left_imm_long): Likewise.
3868 (shift_left_imm_to_uint_def, shift_left_imm_to_uint): Likewise.
3869 (store_scatter_index_restricted_def,
3870 store_scatter_index_restricted): Likewise.
3871 (store_scatter_offset_restricted_def,
3872 store_scatter_offset_restricted): Likewise.
3873 (tbl_tuple_def, tbl_tuple): Likewise.
3874 (ternary_long_lane_def, ternary_long_lane): Likewise.
3875 (ternary_long_opt_n_def, ternary_long_opt_n): Likewise.
3876 (ternary_qq_lane_def): Inherit from ternary_resize2_lane_base.
3877 (ternary_qq_lane_rotate_def, ternary_qq_lane_rotate): New shape
3878 (ternary_qq_opt_n_def): Inherit from ternary_resize2_opt_n_base.
3879 (ternary_qq_rotate_def, ternary_qq_rotate): New shape.
3880 (ternary_shift_left_imm_def, ternary_shift_left_imm): Likewise.
3881 (ternary_shift_right_imm_def, ternary_shift_right_imm): Likewise.
3882 (ternary_uint_def, ternary_uint): Likewise.
3883 (unary_convert): Fix typo in comment.
3884 (unary_convert_narrowt_def, unary_convert_narrowt): New shape.
3885 (unary_long_def, unary_long): Likewise.
3886 (unary_narrowb_def, unary_narrowb): Likewise.
3887 (unary_narrowt_def, unary_narrowt): Likewise.
3888 (unary_narrowb_to_uint_def, unary_narrowb_to_uint): Likewise.
3889 (unary_narrowt_to_uint_def, unary_narrowt_to_uint): Likewise.
3890 (unary_to_int_def, unary_to_int): Likewise.
3891 * config/aarch64/aarch64-sve-builtins-base.cc (unspec_cmla)
3892 (unspec_fcmla, unspec_cond_fcmla, expand_mla_mls_lane): New functions.
3893 (svasrd_impl): Delete.
3894 (svcadd_impl::expand): Handle integer operations too.
3895 (svcmla_impl::expand, svcmla_lane::expand): Likewise, using the
3896 new functions to derive the unspec numbers.
3897 (svmla_svmls_lane_impl): Replace with...
3898 (svmla_lane_impl, svmls_lane_impl): ...these new classes. Handle
3899 integer operations too.
3900 (svwhile_impl): Rename to...
3901 (svwhilelx_impl): ...this and inherit from while_comparison.
3902 (svasrd): Use unspec_based_function.
3903 (svmla_lane): Use svmla_lane_impl.
3904 (svmls_lane): Use svmls_lane_impl.
3905 (svrecpe, svrsqrte): Handle unsigned integer operations too.
3906 (svwhilele, svwhilelt): Use svwhilelx_impl.
3907 * config/aarch64/aarch64-sve-builtins-sve2.h: New file.
3908 * config/aarch64/aarch64-sve-builtins-sve2.cc: Likewise.
3909 * config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
3910 * config/aarch64/aarch64-sve-builtins.def: Include
3911 aarch64-sve-builtins-sve2.def.
3912
3913 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3914
3915 * config/aarch64/aarch64-protos.h (aarch64_sve_arith_immediate_p)
3916 (aarch64_sve_sqadd_sqsub_immediate_p): Add a machine_mode argument.
3917 * config/aarch64/aarch64.c (aarch64_sve_arith_immediate_p)
3918 (aarch64_sve_sqadd_sqsub_immediate_p): Likewise. Handle scalar
3919 immediates as well as vector ones.
3920 * config/aarch64/predicates.md (aarch64_sve_arith_immediate)
3921 (aarch64_sve_sub_arith_immediate, aarch64_sve_qadd_immediate)
3922 (aarch64_sve_qsub_immediate): Update calls accordingly.
3923
3924 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3925
3926 * config/aarch64/aarch64-sve2.md: Add banner comments.
3927 (<su>mulh<r>s<mode>3): Move further up file.
3928 (<su>mull<bt><Vwide>, <r>shrnb<mode>, <r>shrnt<mode>)
3929 (*aarch64_sve2_sra<mode>): Move further down file.
3930 * config/aarch64/t-aarch64 (s-check-sve-md): Check aarch64-sve2.md too.
3931
3932 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3933
3934 * config/aarch64/iterators.md (SVE_WHILE): Add UNSPEC_WHILERW
3935 and UNSPEC_WHILEWR.
3936 (while_optab_cmp): Handle them.
3937 * config/aarch64/aarch64-sve.md
3938 (*while_<while_optab_cmp><GPI:mode><PRED_ALL:mode>_ptest): Make public
3939 and add a "@" marker.
3940 * config/aarch64/aarch64-sve2.md (check_<raw_war>_ptrs<mode>): Use it
3941 instead of gen_aarch64_sve2_while_ptest.
3942 (@aarch64_sve2_while<cmp_op><GPI:mode><PRED_ALL:mode>_ptest): Delete.
3943
3944 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3945
3946 * config/aarch64/aarch64.md (UNSPEC_WHILE_LE): Rename to...
3947 (UNSPEC_WHILELE): ...this.
3948 (UNSPEC_WHILE_LO): Rename to...
3949 (UNSPEC_WHILELO): ...this.
3950 (UNSPEC_WHILE_LS): Rename to...
3951 (UNSPEC_WHILELS): ...this.
3952 (UNSPEC_WHILE_LT): Rename to...
3953 (UNSPEC_WHILELT): ...this.
3954 * config/aarch64/iterators.md (SVE_WHILE): Update accordingly.
3955 (cmp_op, while_optab_cmp): Likewise.
3956 * config/aarch64/aarch64.c (aarch64_sve_move_pred_via_while): Likewise.
3957 * config/aarch64/aarch64-sve-builtins-base.cc (svwhilele): Likewise.
3958 (svwhilelt): Likewise.
3959
3960 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3961
3962 * config/aarch64/aarch64-sve-builtins-shapes.h (unary_count): Delete.
3963 (unary_to_uint): Define.
3964 * config/aarch64/aarch64-sve-builtins-shapes.cc (unary_count_def)
3965 (unary_count): Rename to...
3966 (unary_to_uint_def, unary_to_uint): ...this.
3967 * config/aarch64/aarch64-sve-builtins-base.def: Update accordingly.
3968
3969 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3970
3971 * config/aarch64/aarch64-sve-builtins-functions.h
3972 (code_for_mode_function): New class.
3973 (CODE_FOR_MODE0, QUIET_CODE_FOR_MODE0): New macros.
3974 * config/aarch64/aarch64-sve-builtins-base.cc (svcompact_impl)
3975 (svext_impl, svmul_lane_impl, svsplice_impl, svtmad_impl): Delete.
3976 (svcompact, svext, svsplice): Use QUIET_CODE_FOR_MODE0.
3977 (svmul_lane, svtmad): Use CODE_FOR_MODE0.
3978
3979 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
3980
3981 * config/aarch64/iterators.md (addsub): New code attribute.
3982 * config/aarch64/aarch64-simd.md (aarch64_<su_optab><optab><mode>):
3983 Re-express as...
3984 (aarch64_<su_optab>q<addsub><mode>): ...this, making the same change
3985 in the asm string and attributes. Fix indentation.
3986 * config/aarch64/aarch64-sve.md (@aarch64_<su_optab><optab><mode>):
3987 Re-express as...
3988 (@aarch64_sve_<optab><mode>): ...this.
3989 * config/aarch64/aarch64-sve-builtins.h
3990 (function_expander::expand_signed_unpred_op): Delete.
3991 * config/aarch64/aarch64-sve-builtins.cc
3992 (function_expander::expand_signed_unpred_op): Likewise.
3993 (function_expander::map_to_rtx_codes): If the optab isn't defined,
3994 try using code_for_aarch64_sve instead.
3995 * config/aarch64/aarch64-sve-builtins-base.cc (svqadd_impl): Delete.
3996 (svqsub_impl): Likewise.
3997 (svqadd, svqsub): Use rtx_code_function instead.
3998
3999 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
4000
4001 * config/aarch64/iterators.md (SRHSUB, URHSUB): Delete.
4002 (HADDSUB, sur, addsub): Remove them.
4003
4004 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
4005
4006 * tree-nrv.c (pass_return_slot::execute): Handle all internal
4007 functions the same way, rather than singling out those that
4008 aren't mapped directly to optabs.
4009
4010 2020-01-09 Richard Sandiford <richard.sandiford@arm.com>
4011
4012 * target.def (compatible_vector_types_p): New target hook.
4013 * hooks.h (hook_bool_const_tree_const_tree_true): Declare.
4014 * hooks.c (hook_bool_const_tree_const_tree_true): New function.
4015 * doc/tm.texi.in (TARGET_COMPATIBLE_VECTOR_TYPES_P): New hook.
4016 * doc/tm.texi: Regenerate.
4017 * gimple-expr.c: Include target.h.
4018 (useless_type_conversion_p): Use targetm.compatible_vector_types_p.
4019 * config/aarch64/aarch64.c (aarch64_compatible_vector_types_p): New
4020 function.
4021 (TARGET_COMPATIBLE_VECTOR_TYPES_P): Define.
4022 * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::convert_pred):
4023 Use the original predicate if it already has a suitable type.
4024
4025 2020-01-09 Martin Jambor <mjambor@suse.cz>
4026
4027 * cgraph.h (cgraph_edge): Make remove, set_call_stmt, make_direct,
4028 resolve_speculation and redirect_call_stmt_to_callee static. Change
4029 return type of set_call_stmt to cgraph_edge *.
4030 * auto-profile.c (afdo_indirect_call): Adjust call to
4031 redirect_call_stmt_to_callee.
4032 * cgraph.c (cgraph_edge::set_call_stmt): Make return cgraph-edge *,
4033 make the this pointer explicit, adjust self-recursive calls and the
4034 call top make_direct. Return the resulting edge.
4035 (cgraph_edge::remove): Make this pointer explicit.
4036 (cgraph_edge::resolve_speculation): Likewise, adjust call to remove.
4037 (cgraph_edge::make_direct): Likewise, adjust call to
4038 resolve_speculation.
4039 (cgraph_edge::redirect_call_stmt_to_callee): Likewise, also adjust
4040 call to set_call_stmt.
4041 (cgraph_update_edges_for_call_stmt_node): Update call to
4042 set_call_stmt and remove.
4043 * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
4044 Renamed edge to master_edge. Adjusted calls to set_call_stmt.
4045 (cgraph_node::create_edge_including_clones): Moved "first" definition
4046 of edge to the block where it was used. Adjusted calls to
4047 set_call_stmt.
4048 (cgraph_node::remove_symbol_and_inline_clones): Adjust call to
4049 cgraph_edge::remove.
4050 * cgraphunit.c (walk_polymorphic_call_targets): Adjusted calls to
4051 make_direct and redirect_call_stmt_to_callee.
4052 * ipa-fnsummary.c (redirect_to_unreachable): Adjust calls to
4053 resolve_speculation and make_direct.
4054 * ipa-inline-transform.c (inline_transform): Adjust call to
4055 redirect_call_stmt_to_callee.
4056 (check_speculations_1):: Adjust call to resolve_speculation.
4057 * ipa-inline.c (resolve_noninline_speculation): Adjust call to
4058 resolve-speculation.
4059 (inline_small_functions): Adjust call to resolve_speculation.
4060 (ipa_inline): Likewise.
4061 * ipa-prop.c (ipa_make_edge_direct_to_target): Adjust call to
4062 make_direct.
4063 * ipa-visibility.c (function_and_variable_visibility): Make iteration
4064 safe with regards to edge removal, adjust calls to
4065 redirect_call_stmt_to_callee.
4066 * ipa.c (walk_polymorphic_call_targets): Adjust calls to make_direct
4067 and redirect_call_stmt_to_callee.
4068 * multiple_target.c (create_dispatcher_calls): Adjust call to
4069 redirect_call_stmt_to_callee
4070 (redirect_to_specific_clone): Likewise.
4071 * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
4072 Adjust calls to cgraph_edge::remove.
4073 * tree-inline.c (copy_bb): Adjust call to set_call_stmt.
4074 (redirect_all_calls): Adjust call to redirect_call_stmt_to_callee.
4075 (expand_call_inline): Adjust call to cgraph_edge::remove.
4076
4077 2020-01-09 Martin Liska <mliska@suse.cz>
4078
4079 * params.opt: Set Optimization for
4080 param_max_speculative_devirt_maydefs.
4081
4082 2020-01-09 Martin Sebor <msebor@redhat.com>
4083
4084 PR middle-end/93200
4085 PR fortran/92956
4086 * builtins.c (compute_objsize): Avoid handling MEM_REFs of vector type.
4087
4088 2020-01-09 Martin Liska <mliska@suse.cz>
4089
4090 * auto-profile.c (auto_profile): Use opt_for_fn
4091 for a parameter.
4092 * ipa-cp.c (ipcp_lattice::add_value): Likewise.
4093 (propagate_vals_across_arith_jfunc): Likewise.
4094 (hint_time_bonus): Likewise.
4095 (incorporate_penalties): Likewise.
4096 (good_cloning_opportunity_p): Likewise.
4097 (perform_estimation_of_a_value): Likewise.
4098 (estimate_local_effects): Likewise.
4099 (ipcp_propagate_stage): Likewise.
4100 * ipa-fnsummary.c (decompose_param_expr): Likewise.
4101 (set_switch_stmt_execution_predicate): Likewise.
4102 (analyze_function_body): Likewise.
4103 * ipa-inline-analysis.c (offline_size): Likewise.
4104 * ipa-inline.c (early_inliner): Likewise.
4105 * ipa-prop.c (ipa_analyze_node): Likewise.
4106 (ipcp_transform_function): Likewise.
4107 * ipa-sra.c (process_scan_results): Likewise.
4108 (ipa_sra_summarize_function): Likewise.
4109 * params.opt: Rename ipcp-unit-growth to
4110 ipa-cp-unit-growth. Add Optimization for various
4111 IPA-related parameters.
4112
4113 2020-01-09 Richard Biener <rguenther@suse.de>
4114
4115 PR middle-end/93054
4116 * gimplify.c (gimplify_expr): Deal with NOP definitions.
4117
4118 2020-01-09 Richard Biener <rguenther@suse.de>
4119
4120 PR tree-optimization/93040
4121 * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.
4122
4123 2020-01-09 Georg-Johann Lay <avr@gjlay.de>
4124
4125 * common/config/avr/avr-common.c (avr_option_optimization_table)
4126 [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.
4127
4128 2020-01-09 Martin Liska <mliska@suse.cz>
4129
4130 * cgraphclones.c (symbol_table::materialize_all_clones):
4131 Use cgraph_node::dump_name.
4132
4133 2020-01-09 Jakub Jelinek <jakub@redhat.com>
4134
4135 PR inline-asm/93202
4136 * config/riscv/riscv.c (riscv_print_operand_reloc): Use
4137 output_operand_lossage instead of gcc_unreachable.
4138 * doc/md.texi (riscv f constraint): Fix typo.
4139
4140 PR target/93141
4141 * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
4142 SWI. Use <general_hilo_operand> instead of <general_operand>. Use
4143 CONST_SCALAR_INT_P instead of CONST_INT_P.
4144 (*subv<mode>4_1): Rename to ...
4145 (subv<mode>4_1): ... this.
4146 (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4147 define_insn_and_split patterns.
4148 (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4149 patterns.
4150
4151 2020-01-08 David Malcolm <dmalcolm@redhat.com>
4152
4153 * vec.c (class selftest::count_dtor): New class.
4154 (selftest::test_auto_delete_vec): New test.
4155 (selftest::vec_c_tests): Call it.
4156 * vec.h (class auto_delete_vec): New class template.
4157 (auto_delete_vec<T>::~auto_delete_vec): New dtor.
4158
4159 2020-01-08 David Malcolm <dmalcolm@redhat.com>
4160
4161 * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
4162
4163 2020-01-08 Jim Wilson <jimw@sifive.com>
4164
4165 * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
4166 use of TLS_MODEL_LOCAL_EXEC when not pic.
4167
4168 2020-01-08 David Malcolm <dmalcolm@redhat.com>
4169
4170 * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
4171 memory leak.
4172
4173 2020-01-08 Jakub Jelinek <jakub@redhat.com>
4174
4175 PR target/93187
4176 * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
4177 *stack_protect_set_3 peephole2): Also check that the second
4178 insns source is general_operand.
4179
4180 PR target/93174
4181 * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
4182 predicate for output operand instead of register_operand.
4183 (addcarry<mode>, addcarry<mode>_1): Likewise. Add alternative with
4184 memory destination and non-memory operands[2].
4185
4186 2020-01-08 Martin Liska <mliska@suse.cz>
4187
4188 * cgraph.c (cgraph_node::dump): Use ::dump_name or
4189 ::dump_asm_name instead of (::name or ::asm_name).
4190 * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
4191 * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
4192 (analyze_functions): Likewise.
4193 (expand_all_functions): Likewise.
4194 * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
4195 (propagate_bits_across_jump_function): Likewise.
4196 (dump_profile_updates): Likewise.
4197 (ipcp_store_bits_results): Likewise.
4198 (ipcp_store_vr_results): Likewise.
4199 * ipa-devirt.c (dump_targets): Likewise.
4200 * ipa-fnsummary.c (analyze_function_body): Likewise.
4201 * ipa-hsa.c (check_warn_node_versionable): Likewise.
4202 (process_hsa_functions): Likewise.
4203 * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
4204 (set_alias_uids): Likewise.
4205 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4206 * ipa-inline.c (recursive_inlining): Likewise.
4207 (inline_to_all_callers_1): Likewise.
4208 (ipa_inline): Likewise.
4209 * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
4210 (ipa_propagate_frequency): Likewise.
4211 * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
4212 (remove_described_reference): Likewise.
4213 * ipa-pure-const.c (worse_state): Likewise.
4214 (check_retval_uses): Likewise.
4215 (analyze_function): Likewise.
4216 (propagate_pure_const): Likewise.
4217 (propagate_nothrow): Likewise.
4218 (dump_malloc_lattice): Likewise.
4219 (propagate_malloc): Likewise.
4220 (pass_local_pure_const::execute): Likewise.
4221 * ipa-visibility.c (optimize_weakref): Likewise.
4222 (function_and_variable_visibility): Likewise.
4223 * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
4224 (ipa_discover_variable_flags): Likewise.
4225 * lto-streamer-out.c (output_function): Likewise.
4226 (output_constructor): Likewise.
4227 * tree-inline.c (copy_bb): Likewise.
4228 * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4229 * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.
4230
4231 2020-01-08 Richard Biener <rguenther@suse.de>
4232
4233 PR middle-end/93199
4234 * tree-eh.c (sink_clobbers): Update virtual operands for
4235 the first and last stmt only. Add a dry-run capability.
4236 (pass_lower_eh_dispatch::execute): Perform clobber sinking
4237 after CFG manipulations and in RPO order to catch all
4238 secondary opportunities reliably.
4239
4240 2020-01-08 Georg-Johann Lay <avr@gjlay.de>
4241
4242 PR target/93182
4243 * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4244
4245 2019-01-08 Richard Biener <rguenther@suse.de>
4246
4247 PR middle-end/93199
4248 * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
4249 * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
4250 virtual operand, also updating SSA use.
4251 * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
4252 Update stmt after resetting virtual operand.
4253 (tree_loop_interchange::move_code_to_inner_loop): Likewise.
4254 * gimple-iterator.c (gsi_remove): When not removing the stmt
4255 permanently do not delink immediate uses or mark the stmt modified.
4256
4257 2020-01-08 Martin Liska <mliska@suse.cz>
4258
4259 * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
4260 (ipa_call_context::estimate_size_and_time): Likewise.
4261 (inline_analyze_function): Likewise.
4262
4263 2020-01-08 Martin Liska <mliska@suse.cz>
4264
4265 * cgraph.c (cgraph_node::dump): Use systematically
4266 dump_asm_name.
4267
4268 2020-01-08 Georg-Johann Lay <avr@gjlay.de>
4269
4270 Add -nodevicespecs option for avr.
4271
4272 PR target/93182
4273 * config/avr/avr.opt (-nodevicespecs): New driver option.
4274 * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
4275 "-specs=device-specs/..." if that option is not set.
4276 * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4277
4278 2020-01-08 Georg-Johann Lay <avr@gjlay.de>
4279
4280 Implement 64-bit double functions for avr.
4281
4282 PR target/92055
4283 * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
4284 --with-double-comparison.
4285 * doc/install.texi: Document them.
4286 * config/avr/avr-c.c (avr_cpu_cpp_builtins)
4287 <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
4288 <WITH_DOUBLE_COMPARISON>: New built-in defines.
4289 * doc/invoke.texi (AVR Built-in Macros): Document them.
4290 * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
4291 * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
4292 * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.
4293
4294 2020-01-08 Richard Earnshaw <rearnsha@arm.com>
4295
4296 PR target/93188
4297 * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
4298 armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
4299 when only building rm-profile multilibs.
4300
4301 2020-01-08 Feng Xue <fxue@os.amperecomputing.com>
4302
4303 PR ipa/93084
4304 * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
4305 lattice for a value to check.
4306 (propagate_vals_across_arith_jfunc): Add an assertion to ensure
4307 finite propagation in self-recursive scc.
4308
4309 2020-01-08 Luo Xiong Hu <luoxhu@linux.ibm.com>
4310
4311 * ipa-inline.c (caller_growth_limits): Restore the AND.
4312
4313 2020-01-07 Andrew Stubbs <ams@codesourcery.com>
4314
4315 * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
4316 (VEC_ALLREG_ALT): New iterator.
4317 (VEC_ALLREG_INT_MODE): New iterator.
4318 (VCMP_MODE): New iterator.
4319 (VCMP_MODE_INT): New iterator.
4320 (vec_cmpu<mode>di): Use VCMP_MODE_INT.
4321 (vec_cmp<u>v64qidi): New define_expand.
4322 (vec_cmp<mode>di_exec): Use VCMP_MODE.
4323 (vec_cmpu<mode>di_exec): New define_expand.
4324 (vec_cmp<u>v64qidi_exec): New define_expand.
4325 (vec_cmp<mode>di_dup): Use VCMP_MODE.
4326 (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
4327 (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
4328 (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
4329 (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
4330 (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
4331 (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
4332 (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
4333 (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
4334 (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
4335 this.
4336 * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
4337 * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.
4338
4339 2020-01-07 Andrew Stubbs <ams@codesourcery.com>
4340
4341 * config/gcn/constraints.md (DA): Update description and match.
4342 (DB): Likewise.
4343 (Db): New constraint.
4344 * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
4345 parameter.
4346 * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
4347 Implement 'Db' mixed immediate type.
4348 * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
4349 (addcv64si3_dup<exec_vcc>): Delete.
4350 (subcv64si3<exec_vcc>): Rework constraints.
4351 (addv64di3): Rework constraints.
4352 (addv64di3_exec): Rework constraints.
4353 (subv64di3): Rework constraints.
4354 (addv64di3_dup): Delete.
4355 (addv64di3_dup_exec): Delete.
4356 (addv64di3_zext): Rework constraints.
4357 (addv64di3_zext_exec): Rework constraints.
4358 (addv64di3_zext_dup): Rework constraints.
4359 (addv64di3_zext_dup_exec): Rework constraints.
4360 (addv64di3_zext_dup2): Rework constraints.
4361 (addv64di3_zext_dup2_exec): Rework constraints.
4362 (addv64di3_sext_dup2): Rework constraints.
4363 (addv64di3_sext_dup2_exec): Rework constraints.
4364
4365 2020-01-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
4366
4367 * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
4368 existing target checks.
4369
4370 2020-01-07 Richard Biener <rguenther@suse.de>
4371
4372 * doc/install.texi: Bump minimal supported MPC version.
4373
4374 2020-01-07 Richard Sandiford <richard.sandiford@arm.com>
4375
4376 * langhooks-def.h (lhd_simulate_enum_decl): Declare.
4377 (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
4378 * langhooks.c: Include stor-layout.h.
4379 (lhd_simulate_enum_decl): New function.
4380 * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
4381 handle_arm_sve_h for the LTO frontend.
4382 (register_vector_type): Cope with null returns from pushdecl.
4383
4384 2020-01-07 Richard Sandiford <richard.sandiford@arm.com>
4385
4386 * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
4387 (aarch64_sve::nvectors_if_data_type): Replace with...
4388 (aarch64_sve::builtin_type_p): ...this.
4389 * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
4390 (find_vector_type): Delete.
4391 (add_sve_type_attribute): New function.
4392 (lookup_sve_type_attribute): Likewise.
4393 (register_builtin_types): Add an "SVE type" attribute to each type.
4394 (register_tuple_type): Likewise.
4395 (svbool_type_p, nvectors_if_data_type): Delete.
4396 (mangle_builtin_type): Use lookup_sve_type_attribute.
4397 (builtin_type_p): Likewise. Add an overload that returns the
4398 number of constituent vector and predicate registers.
4399 * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
4400 (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
4401 instead of aarch64_sve_argument_p.
4402 (aarch64_takes_arguments_in_sve_regs_p): Likewise.
4403 (aarch64_pass_by_reference): Likewise.
4404 (aarch64_function_value_1): Likewise.
4405 (aarch64_return_in_memory): Likewise.
4406 (aarch64_layout_arg): Likewise.
4407
4408 2020-01-07 Jakub Jelinek <jakub@redhat.com>
4409
4410 PR tree-optimization/93156
4411 * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
4412 least significant bit is always clear.
4413
4414 PR tree-optimization/93118
4415 * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?. Add new
4416 simplifier with two intermediate conversions.
4417
4418 2020-01-07 Martin Liska <mliska@suse.cz>
4419
4420 * params.opt: Add Optimization for various parameters.
4421
4422 2020-01-07 Martin Liska <mliska@suse.cz>
4423
4424 PR ipa/83411
4425 * doc/extend.texi: Explain cloning for target_clone
4426 attribute.
4427
4428 2020-01-07 Martin Liska <mliska@suse.cz>
4429
4430 PR tree-optimization/92860
4431 * common.opt: Make in Optimization option
4432 as it is affected by -O0, which is an Optimization
4433 option.
4434 * tree-inline.c (tree_inlinable_function_p):
4435 Use opt_for_fn for warn_inline.
4436 (expand_call_inline): Likewise.
4437
4438 2020-01-07 Martin Liska <mliska@suse.cz>
4439
4440 PR tree-optimization/92860
4441 * common.opt: Make flag_ree as optimization
4442 attribute.
4443
4444 2020-01-07 Martin Liska <mliska@suse.cz>
4445
4446 PR optimization/92860
4447 * params.opt: Mark param_min_crossjump_insns with Optimization
4448 keyword.
4449
4450 2020-01-07 Luo Xiong Hu <luoxhu@linux.ibm.com>
4451
4452 * ipa-inline-analysis.c (estimate_growth): Fix typo.
4453 * ipa-inline.c (caller_growth_limits): Use OR instead of AND.
4454
4455 2020-01-06 Michael Meissner <meissner@linux.ibm.com>
4456
4457 * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
4458 helper function to return the valid addressing formats for a given
4459 hard register and mode.
4460 (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.
4461
4462 * config/rs6000/constraints.md (Q constraint): Update
4463 documentation.
4464 * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
4465 documentation.
4466
4467 * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
4468 Use 'Q' for doing vector extract from memory.
4469 (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
4470 memory.
4471 (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
4472 doing vector extract from memory.
4473 (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
4474 extract from memory.
4475
4476 * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
4477 for the offset being 34-bits when -mcpu=future is used.
4478
4479 2020-01-06 John David Anglin <danglin@gcc.gnu.org>
4480
4481 * config/pa/pa.md: Revert change to use ordered_comparison_operator
4482 instead of cmpib_comparison_operator in cmpib patterns.
4483 * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
4484 of cmpib_comparison_operator. Revise comment.
4485
4486 2020-01-06 Richard Sandiford <richard.sandiford@arm.com>
4487
4488 * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
4489 in an IFN_DIV_POW2 node to be equal.
4490
4491 2020-01-06 Richard Sandiford <richard.sandiford@arm.com>
4492
4493 * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
4494 (vect_check_scalar_mask): ...this.
4495 (vectorizable_store, vectorizable_load): Update call accordingly.
4496 (vectorizable_call): Use vect_check_scalar_mask to check the mask
4497 argument in calls to conditional internal functions.
4498
4499 2020-01-06 Andrew Stubbs <ams@codesourcery.com>
4500
4501 * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
4502 '0' matching inputs.
4503 (subv64di3_exec): Likewise.
4504
4505 2020-01-06 Bryan Stenson <bryan@siliconvortex.com>
4506
4507 * config/mips/mips.c (vr4130_align_insns): Fix typo.
4508 * doc/md.texi (movstr): Likewise.
4509
4510 2020-01-06 Andrew Stubbs <ams@codesourcery.com>
4511
4512 * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
4513 clobber.
4514
4515 2020-01-06 Richard Sandiford <richard.sandiford@arm.com>
4516
4517 * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
4518 Depend on...
4519 (s-aarch64-tune-md): ...this new stamp file. Pipe the new contents
4520 to a temporary file and use move-if-change to update the real
4521 file where necessary.
4522
4523 2020-01-06 Richard Sandiford <richard.sandiford@arm.com>
4524
4525 * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
4526 rather than Upa for CPY /M.
4527
4528 2020-01-06 Andrew Stubbs <ams@codesourcery.com>
4529
4530 * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
4531 immediate.
4532
4533 2020-01-06 Martin Liska <mliska@suse.cz>
4534
4535 PR tree-optimization/92860
4536 * params.opt: Mark param_max_combine_insns with Optimization
4537 keyword.
4538
4539 2020-01-05 Jakub Jelinek <jakub@redhat.com>
4540
4541 PR target/93141
4542 * config/i386/i386.md (SWIDWI): New mode iterator.
4543 (DWI, dwi): Add TImode variants.
4544 (addv<mode>4): Use SWIDWI iterator instead of SWI. Use
4545 <general_hilo_operand> instead of <general_operand>. Use
4546 CONST_SCALAR_INT_P instead of CONST_INT_P.
4547 (*addv<mode>4_1): Rename to ...
4548 (addv<mode>4_1): ... this.
4549 (QWI): New mode attribute.
4550 (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4551 define_insn_and_split patterns.
4552 (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4553 patterns.
4554 (uaddv<mode>4): Use SWIDWI iterator instead of SWI. Use
4555 <general_hilo_operand> instead of <general_operand>.
4556 (*addcarry<mode>_1): New define_insn.
4557 (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.
4558
4559 2020-01-03 Konstantin Kharlamov <Hi-Angel@yandex.ru>
4560
4561 * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
4562 Use "call" instead of "set".
4563
4564 2020-01-03 Martin Jambor <mjambor@suse.cz>
4565
4566 PR ipa/92917
4567 * ipa-cp.c (print_all_lattices): Skip functions without info.
4568
4569 2020-01-03 Jakub Jelinek <jakub@redhat.com>
4570
4571 PR target/93089
4572 * config/i386/i386-options.c (ix86_simd_clone_adjust): If
4573 TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
4574 simd clones. If TARGET_PREFER_AVX256, use prefer-vector-width=512
4575 for 'e' simd clones.
4576
4577 PR target/93089
4578 * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
4579 entry.
4580 (mprefer-vector-width=): Add Save.
4581 * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
4582 -mprefer-vector-width= if non-zero. Fix up -mfpmath= comment.
4583 (ix86_debug_options, ix86_function_specific_print): Adjust
4584 ix86_target_string callers.
4585 (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
4586 (ix86_valid_target_attribute_tree): Likewise.
4587 * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
4588 * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
4589 ix86_target_string caller.
4590
4591 PR target/93110
4592 * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
4593 emitting ASHIFTRT, XOR and MINUS by hand. Use gen_int_mode with QImode
4594 instead of gen_int_shift_amount + convert_modes.
4595
4596 PR rtl-optimization/93088
4597 * loop-iv.c (find_single_def_src): Punt after looking through
4598 128 reg copies for regs with single definitions. Move definitions
4599 to first uses.
4600
4601 2020-01-02 Dennis Zhang <dennis.zhang@arm.com>
4602
4603 * config/arm/arm-c.c (arm_cpu_builtins): Define
4604 __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
4605 __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
4606 __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
4607 * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
4608 * config/arm/arm-tables.opt: Regenerated.
4609 * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
4610 arm_arch_i8mm and arm_arch_bf16 when enabled.
4611 * config/arm/arm.h (TARGET_I8MM): New macro.
4612 (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
4613 * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
4614 * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
4615 * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
4616 (v8_6_a_simd_variants): New.
4617 (v8_*_a_simd_variants): Add i8mm and bf16.
4618 * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
4619
4620 2020-01-02 Jakub Jelinek <jakub@redhat.com>
4621
4622 PR ipa/93087
4623 * predict.c (compute_function_frequency): Don't call
4624 warn_function_cold on functions that already have cold attribute.
4625
4626 2020-01-01 John David Anglin <danglin@gcc.gnu.org>
4627
4628 PR target/67834
4629 * config/pa/pa.c (pa_elf_select_rtx_section): New. Put references to
4630 COMDAT group function labels in .data.rel.ro.local section.
4631 * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.
4632
4633 PR target/93111
4634 * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
4635 comparison_operator in B and S integer comparisons. Likewise, use
4636 ordered_comparison_operator instead of cmpib_comparison_operator in
4637 cmpib patterns.
4638 * config/pa/predicates.md (cmpib_comparison_operator): Remove.
4639
4640 2020-01-01 Jakub Jelinek <jakub@redhat.com>
4641
4642 Update copyright years.
4643
4644 * gcc.c (process_command): Update copyright notice dates.
4645 * gcov-dump.c (print_version): Ditto.
4646 * gcov.c (print_version): Ditto.
4647 * gcov-tool.c (print_version): Ditto.
4648 * gengtype.c (create_file): Ditto.
4649 * doc/cpp.texi: Bump @copying's copyright year.
4650 * doc/cppinternals.texi: Ditto.
4651 * doc/gcc.texi: Ditto.
4652 * doc/gccint.texi: Ditto.
4653 * doc/gcov.texi: Ditto.
4654 * doc/install.texi: Ditto.
4655 * doc/invoke.texi: Ditto.
4656
4657 2020-01-01 Jan Hubicka <hubicka@ucw.cz>
4658
4659 * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
4660 summary.
4661
4662 2020-01-01 Jakub Jelinek <jakub@redhat.com>
4663
4664 PR tree-optimization/93098
4665 * match.pd (popcount): For shift amounts, use integer_onep
4666 or wi::to_widest () == cst instead of tree_to_uhwi () == cst
4667 tests. Make sure that precision is power of two larger than or equal
4668 to 16. Ensure shift is never negative. Use HOST_WIDE_INT_UC macro
4669 instead of ULL suffixed constants. Formatting fixes.
4670 \f
4671 Copyright (C) 2020 Free Software Foundation, Inc.
4672
4673 Copying and distribution of this file, with or without modification,
4674 are permitted in any medium without royalty provided the copyright
4675 notice and this notice are preserved.