| blob | 70b8f0aa0096605e463e68739a96a737376181ca |
1 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
3 PR rtl-optimization/97684
4 * ira.c (ira): Call ira_set_pseudo_classes before
5 update_equiv_regs when it is necessary.
7 2021-01-27 Jakub Jelinek <jakub@redhat.com>
9 PR target/98853
10 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
11 %w0, %w1 and %2 instead of %0, %1 and %2.
13 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
15 * config/rs6000/genfusion.pl: New script to generate
16 define_insn_and_split patterns so combine can arrange fused
17 instructions next to each other.
18 * config/rs6000/fusion.md: New file, generated fused instruction
19 patterns for combine.
20 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
21 (non_update_memory_operand): New predicate.
22 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
23 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
24 POWERPC_MASKS.
25 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
26 prototype.
27 * config/rs6000/rs6000.c (rs6000_option_override_internal):
28 Automatically set OPTION_MASK_P10_FUSION and
29 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
30 (rs600_opt_masks): Allow -mpower10-fusion
31 in function attributes.
32 (address_is_non_pfx_d_or_x): New function.
33 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
34 * config/rs6000/rs6000.md: Include fusion.md.
35 * config/rs6000/rs6000.opt: Add -mpower10-fusion
36 and -mpower10-fusion-ld-cmpi.
37 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
39 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
41 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
42 builtin generator macros.
43 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
44 Rename to...
45 (aarch64_<su>mlal<mode>): This.
46 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
47 instead of inline asm.
48 (vmlal_s16): Likewise.
49 (vmlal_s32): Likewise.
50 (vmlal_u8): Likewise.
51 (vmlal_u16): Likewise.
52 (vmlal_u32): Likewise.
54 2021-01-27 Richard Biener <rguenther@suse.de>
56 PR tree-optimization/98854
57 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
58 PHIs from scalars when the number of CTORs matches the
59 number of children.
61 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
63 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
64 generator macro.
65 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
66 Rename to...
67 (aarch64_mls_n<mode>): This.
68 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
69 instead of asm.
70 (vmls_n_s32): Likewise.
71 (vmls_n_u16): Likewise.
72 (vmls_n_u32): Likewise.
73 (vmlsq_n_s16): Likewise.
74 (vmlsq_n_s32): Likewise.
75 (vmlsq_n_u16): Likewise.
76 (vmlsq_n_u32): Likewise.
78 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
80 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
81 generator macro.
82 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
83 than asm.
84 (vmls_s16): Likewise.
85 (vmls_s32): Likewise.
86 (vmls_u8): Likewise.
87 (vmls_u16): Likewise.
88 (vmls_u32): Likewise.
89 (vmlsq_s8): Likewise.
90 (vmlsq_s16): Likewise.
91 (vmlsq_s32): Likewise.
92 (vmlsq_u8): Likewise.
93 (vmlsq_u16): Likewise.
94 (vmlsq_u32): Likewise.
96 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
98 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
99 generator macro.
100 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
101 Rename to...
102 (aarch64_mla_n<mode>): This.
103 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
104 instead of asm.
105 (vmla_n_s32): Likewise.
106 (vmla_n_u16): Likewise.
107 (vmla_n_u32): Likewise.
108 (vmlaq_n_s16): Likewise.
109 (vmlaq_n_s32): Likewise.
110 (vmlaq_n_u16): Likewise.
111 (vmlaq_n_u32): Likewise.
113 2021-01-27 liuhongt <hongtao.liu@intel.com>
115 PR target/98833
116 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
117 (*sse2_eq<mode>3): Ditto.
119 2021-01-27 Jakub Jelinek <jakub@redhat.com>
121 * tree-pass.h (PROP_trees): Rename to ...
122 (PROP_gimple): ... this.
123 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
124 * passes.c (execute_function_dump, execute_function_todo,
125 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
126 * varpool.c (ctor_for_folding): Likewise.
128 2021-01-27 Jakub Jelinek <jakub@redhat.com>
130 PR tree-optimization/97260
131 * varpool.c: Include tree-pass.h.
132 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
133 non-TREE_SIDE_EFFECTS automatic variables.
135 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
137 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
138 or -std=gnu++23.
139 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
140 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
141 (gen_compile_unit_die): Recognise C++23.
143 2021-01-26 Jakub Jelinek <jakub@redhat.com>
145 PR bootstrap/98839
146 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
147 in comparison.
149 2021-01-26 Jakub Jelinek <jakub@redhat.com>
151 PR target/98681
152 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
153 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
154 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
156 2021-01-26 Richard Biener <rguenther@suse.de>
158 * gimple-pretty-print.c (dump_binary_rhs): Handle
159 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
161 2021-01-26 Richard Biener <rguenther@suse.de>
163 PR middle-end/98726
164 * tree.h (vector_cst_int_elt): Remove.
165 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
166 make static.
168 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
170 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
171 for V64DFmode min/max reductions.
173 2021-01-26 Jakub Jelinek <jakub@redhat.com>
175 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
176 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
177 two halves, one with x and the other with const0_rtx, ordered
178 depending on endianity.
180 2021-01-26 Alexandre Oliva <oliva@adacore.com>
182 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
183 temporaries not seen in binding block, and not about to be
184 added as gimple variables.
186 2021-01-25 Martin Sebor <msebor@redhat.com>
188 PR c++/98646
189 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
191 2021-01-25 Martin Liska <mliska@suse.cz>
193 * value-prof.c (get_nth_most_common_value): Use %s instead
194 of %qs string.
196 2021-01-25 Jakub Jelinek <jakub@redhat.com>
198 PR debug/98811
199 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
200 readelf -wi is able to read the emitted .debug_info back.
201 * configure: Regenerated.
203 2021-01-25 Martin Liska <mliska@suse.cz>
205 PR gcov-profile/98739
206 * common.opt: Add missing sign symbol.
207 * value-prof.c (get_nth_most_common_value): Restore handling
208 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
209 PROFILE_REPRODUCIBILITY_MULTITHREADED.
211 2021-01-25 Richard Biener <rguenther@suse.de>
213 PR middle-end/98807
214 * tree.c (vector_element_bits): Always use precision of
215 the element type for boolean vectors.
217 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
219 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
220 (ENDFILE_SPEC): Evaluate qnolinkcmds.
222 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
224 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
225 nostartfiles handling since this is already done by
226 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
227 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
228 is already done by LINK_COMMAND_SPEC.
229 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
230 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
231 evaluation.
233 2021-01-25 Jakub Jelinek <jakub@redhat.com>
235 PR testsuite/98771
236 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
237 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
238 value rather than host size_t.
239 (fold_const_call): Change type of s2 from size_t to
240 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
241 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
242 instead of s2 as last argument.
244 2021-01-25 Tamar Christina <tamar.christina@arm.com>
246 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
247 VCMLA_OP, VCMUL_OP): New.
248 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
249 * config/arm/neon.md (cmul<conj_op><mode>3): New.
250 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
251 UNSPEC_VCMUL_CONJ): New.
252 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
253 cml<fcmac1><conj_op><mode>4): New.
255 2021-01-23 Jakub Jelinek <jakub@redhat.com>
257 PR testsuite/97301
258 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
260 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
262 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
263 generator macro.
264 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
265 than asm.
266 (vmla_s16): Likewise.
267 (vmla_s32): Likewise.
268 (vmla_u8): Likewise.
269 (vmla_u16): Likewise.
270 (vmla_u32): Likewise.
271 (vmlaq_s8): Likewise.
272 (vmlaq_s16): Likewise.
273 (vmlaq_s32): Likewise.
274 (vmlaq_u8): Likewise.
275 (vmlaq_u16): Likewise.
276 (vmlaq_u32): Likewise.
278 2021-01-22 David Malcolm <dmalcolm@redhat.com>
280 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
281 directive.
283 2021-01-22 Jakub Jelinek <jakub@redhat.com>
285 PR debug/98796
286 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
287 filenames to emit, still emit the required 0 index directory and
288 filename entries that match DW_AT_comp_dir and DW_AT_name of the
289 compilation unit.
291 2021-01-22 Marek Polacek <polacek@redhat.com>
293 PR c++/98545
294 * doc/invoke.texi: Update C++ ABI Version 15 description.
296 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
298 PR tree-optimization/98766
299 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
300 comparing against type size with param_avoid_fma_max_bits.
302 2021-01-22 Richard Biener <rguenther@suse.de>
304 PR middle-end/98793
305 * tree.c (vector_element_bits): Key single-bit bool vector on
306 integer mode rather than not vector mode.
308 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
310 PR target/98093
311 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
312 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
313 platforms.
314 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
315 to call different path for P8 and P9.
316 (rs6000_expand_vector_set_var_p9): New function.
317 (rs6000_expand_vector_set_var_p8): New function.
319 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
321 PR target/79251
322 PR target/98065
323 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
324 Ajdust variable index vec_insert from address dereference to
325 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
326 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
327 New declaration.
328 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
330 2021-01-22 Martin Liska <mliska@suse.cz>
332 PR gcov-profile/98739
333 * profile.c (compute_value_histograms): Drop time profile for
334 -fprofile-reproducible=multithreaded.
336 2021-01-22 Nathan Sidwell <nathan@acm.org>
338 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
339 existence here.
341 2021-01-22 Richard Biener <rguenther@suse.de>
343 PR middle-end/98773
344 * tree-data-ref.c (initalize_matrix_A): Revert previous
345 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
347 2021-01-22 Jakub Jelinek <jakub@redhat.com>
349 PR tree-optimization/90248
350 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
351 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
352 simplifications.
353 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
354 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
356 2021-01-22 Jakub Jelinek <jakub@redhat.com>
358 PR tree-optimization/98255
359 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
360 extend index - low_bound from sizetype's precision rather than index
361 precision.
362 (get_addr_base_and_unit_offset_1): Likewise.
363 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
364 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
366 2021-01-22 Richard Biener <rguenther@suse.de>
368 PR tree-optimization/98786
369 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
370 adding new uses of abnormals. Verify we deal with a conditional
371 conversion.
373 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
375 PR target/98636
376 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
378 2021-01-22 liuhongt <hongtao.liu@intel.com>
380 PR target/96891
381 PR target/98348
382 * config/i386/sse.md (VI_128_256): New mode iterator.
383 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
384 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
385 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
386 define_insn_and_split to lower avx512 vector comparison to avx
387 version when dest is vector.
388 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
389 define_insn_and_split for negating the comparison result.
390 * config/i386/predicates.md (float_vector_all_ones_operand):
391 New predicate.
392 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
393 general NOT operator without UNSPEC_MASKOP.
395 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
397 PR rtl-optimization/98777
398 * lra-int.h (lra_pmode_pseudo): New extern.
399 * lra.c (lra_pmode_pseudo): New global.
400 (lra): Set it up.
401 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
403 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
405 * fwprop.c (fwprop_propagation::classify_result): Allow
406 (subreg (mem)) simplifications.
408 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
410 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
411 Split into...
412 (aarch64_sqdmlal<mode>): ... This...
413 (aarch64_sqdmlsl<mode>): ... And this.
414 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
415 (aarch64_sqdmlal_lane<mode>): ... This...
416 (aarch64_sqdmlsl_lane<mode>): ... And this.
417 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
418 (aarch64_sqdmlsl_laneq<mode>): ... This...
419 (aarch64_sqdmlal_laneq<mode>): ... And this.
420 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
421 (aarch64_sqdmlsl_n<mode>): ... This...
422 (aarch64_sqdmlal_n<mode>): ... And this.
423 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
424 (aarch64_sqdmlal2<mode>_internal): ... This...
425 (aarch64_sqdmlsl2<mode>_internal): ... And this.
427 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
429 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
431 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
433 PR target/96372
434 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
436 2021-01-21 liuhongt <hongtao.liu@intel.com>
438 PR rtl-optimization/98694
439 * regcprop.c (copy_value): If SRC had been assigned a mode
440 narrower than the copy, we can't link DEST into the chain even
441 they have same hard_regno_nregs(i.e. HImode/SImode in i386
442 backend).
444 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
446 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
447 Convert to define_insn_and_split. Split into simple move when moving
448 bottom element.
450 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
452 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
453 Adjust comment. Simplify code.
455 2021-01-20 Jakub Jelinek <jakub@redhat.com>
457 PR debug/98765
458 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
459 with DW_FORM_line_strp form.
460 (prune_unused_types_update_strings): Don't add into debug_str_hash
461 indirect strings with DW_FORM_line_strp form.
462 (adjust_name_comp_dir): New function.
463 (dwarf2out_finish): Call it on CU DIEs after resetting
464 debug_line_str_hash.
466 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
468 PR rtl-optimization/98722
469 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
470 has no 3-op add insn to transform insns containing two pluses.
472 2021-01-20 Richard Biener <rguenther@suse.de>
474 * hwint.h (add_hwi): New function.
475 (mul_hwi): Likewise.
476 * tree-data-ref.c (initialize_matrix_A): Properly translate
477 tree constants and avoid HOST_WIDE_INT_MIN.
478 (lambda_matrix_row_add): Avoid undefined integer overflow
479 and return true on such overflow.
480 (lambda_matrix_right_hermite): Handle overflow from
481 lambda_matrix_row_add gracefully. Simplify previous fix.
482 (analyze_subscript_affine_affine): Likewise.
484 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
486 PR tree-optimization/96674
487 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
488 x >= y && y != XXX_MIN --> x > y - 1
490 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
492 PR tree-optimization/98535
493 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
494 If the high and low permutes are the same, remove the high permutes
495 from the working set and only continue with the low ones.
497 2021-01-20 Jakub Jelinek <jakub@redhat.com>
499 PR tree-optimization/98721
500 * builtins.c (access_ref::inform_access): Don't assume
501 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
502 object whenever allocfn is NULL, rather than only when DECL_P
503 is true. Use %qE instead of %qD for that. Formatting fixes.
505 2021-01-20 Richard Biener <rguenther@suse.de>
507 PR tree-optimization/98758
508 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
509 (lambda_matrix_right_hermite): Avoid undefinedness with
510 signed integer abs and multiplication.
511 (analyze_subscript_affine_affine): Use lambda_int.
513 2021-01-20 David Malcolm <dmalcolm@redhat.com>
515 PR debug/98751
516 * dwarf2out.c (output_line_info): Rename static variable
517 "generation", moving it out of the function to...
518 (output_line_info_generation): New.
519 (init_sections_and_labels): Likewise, renaming the variable to...
520 (init_sections_and_labels_generation): New.
521 (dwarf2out_c_finalize): Reset the new variables.
523 2021-01-19 Martin Sebor <msebor@redhat.com>
525 PR middle-end/98664
526 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
527 all functions, even if they're not declared artificial or inline.
528 * tree.c (tree_inlined_location): Use macro expansion location
529 only if scope traversal fails to expose one.
531 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
533 PR rtl-optimization/92294
534 * alias.c (compare_base_symbol_refs): Take an extra parameter
535 and add the distance between two symbols to it. Enshrine in
536 comments that -1 means "either 0 or 1, but we can't tell
537 which at compile time".
538 (memrefs_conflict_p): Update call accordingly.
539 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
540 into account.
542 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
544 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
545 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
546 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
547 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
548 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
549 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
550 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
551 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
552 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
553 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
554 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
555 sqmovun): Use NONE flags.
557 2021-01-19 Richard Biener <rguenther@suse.de>
559 PR ipa/98330
560 * ipa-modref.c (analyze_stmt): Only record a summary for a
561 direct call.
563 2021-01-19 Richard Biener <rguenther@suse.de>
565 PR middle-end/98638
566 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
568 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
570 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
571 built-in define __FIX_LEON3FT_TN0018.
573 2021-01-19 Richard Biener <rguenther@suse.de>
575 PR ipa/97673
576 * tree-inline.c (tree_function_versioning): Set input_location
577 to UNKNOWN_LOCATION throughout the function.
579 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
581 PR fortran/98476
582 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
584 2021-01-19 Martin Jambor <mjambor@suse.cz>
586 PR ipa/98690
587 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
588 whether non-call exceptions allow removal of a statement.
589 (isra_analyze_call): Pass the appropriate function to
590 ssa_name_only_returned_p.
592 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
594 * config/riscv/arch-canonicalize (longext_sort): New function for
595 sorting 'multi-letter'.
596 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
597 'alts'. The 'arch' may not be the first of 'alts'.
598 (_expand_combination): Add underline for the 'ext' without '*'.
599 This is because, a single-letter extension can always be treated well
600 with a '_' prefix, but it cannot be separated out if it is appended
601 to a multi-letter.
603 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
605 PR target/97847
606 * ira.c (ira): Skip abnormal critical edge splitting.
608 2021-01-18 Jakub Jelinek <jakub@redhat.com>
610 PR tree-optimization/98727
611 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
612 second .MUL_OVERFLOW operand for signed multiplication with overflow
613 checking if the second operand of multiplication is not constant.
615 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
617 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
618 defaults to version 4.
620 2021-01-18 David Malcolm <dmalcolm@redhat.com>
622 * attribs.h (fndecl_dealloc_argno): New decl.
623 * builtins.c (call_dealloc_argno): Split out second half of
624 function into...
625 (fndecl_dealloc_argno): New.
626 * doc/extend.texi (Common Function Attributes): Document the
627 interaction between the analyzer and the malloc attribute.
628 * doc/invoke.texi (Static Analyzer Options): Likewise.
630 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
632 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
633 dwarf_version to 4.
634 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
636 2021-01-17 Martin Jambor <mjambor@suse.cz>
638 PR ipa/98222
639 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
640 the clone tree.
642 2021-01-17 Mark Wielaard <mark@klomp.org>
644 * common.opt (gdwarf-): Init(5).
645 * doc/invoke.texi (-gdwarf): Document default to 5.
647 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
649 * builtin-types.def
650 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
651 to...
652 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
653 ...this. Add extra argument.
654 * gimplify.c (omp_default_clause): Ensure that event handle is
655 firstprivate in a task region.
656 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
657 (gimplify_adjust_omp_clauses): Likewise.
658 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
659 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
660 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
661 if detach clause specified. Add detach argument when generating
662 call to GOMP_task.
663 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
664 clause.
665 (finish_taskreg_scan): Move field for variable containing the event
666 handle to the front of the struct.
667 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
668 ordering.
669 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
670 OMP_CLAUSE_DETACH clause.
671 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
672 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
673 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
674 Fix ordering.
675 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
676 ordering.
677 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
679 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
681 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
682 multilib directory names. Use MULTILIB_REQUIRED instead of
683 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
684 -mcustom-fpu-cfg=fph2 multilib.
686 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
688 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
689 (nios2_init_fpu_configs): Provide register values for new
690 -mcustom-fpu-cfg=fph2 option variant.
691 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
692 variant.
694 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
696 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
697 custom instruction warnings.
699 2021-01-16 Jakub Jelinek <jakub@redhat.com>
701 PR tree-optimization/96669
702 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
704 2021-01-16 Jakub Jelinek <jakub@redhat.com>
706 PR tree-optimization/96271
707 * passes.def: Pass false argument to first two pass_cd_dce
708 instances and true to last instance. Add comment that
709 last instance rewrites no longer addressed locals.
710 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
711 initialize it.
712 (pass_cd_dce::set_pass_param): New method.
713 (pass_cd_dce::execute): Return TODO_update_address_taken from
714 last cd_dce instance.
716 2021-01-15 Carl Love <cel@us.ibm.com>
718 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
719 New defines.
720 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
721 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
722 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
723 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
724 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
725 Add builtin define.
726 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
727 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
728 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
729 New overloaded definitions.
730 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
731 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
732 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
733 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
734 P10V_BUILTIN_MULHU_V4SI]: Add case
735 statement for builtins.
736 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
737 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
738 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
739 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
740 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
741 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
742 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
743 Add define_insn, mode is VIlong.
744 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
745 Add builtin descriptions.
747 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
749 * final.c (final_start_function_1): Reset force_source_line.
751 2021-01-15 Jakub Jelinek <jakub@redhat.com>
753 PR tree-optimization/96669
754 * match.pd (((1 << A) & 1) != 0 -> A == 0,
755 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
756 possibly different power of two constants and to right shift too.
758 2021-01-15 Jakub Jelinek <jakub@redhat.com>
760 PR tree-optimization/96681
761 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
762 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
763 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
764 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
766 2021-01-15 Alexandre Oliva <oliva@adacore.com>
768 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
770 2021-01-15 Tamar Christina <tamar.christina@arm.com>
772 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
773 cmul<conj_op><mode>3): New.
774 * config/aarch64/iterators.md (UNSPEC_FCMUL,
775 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
776 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
777 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
778 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
779 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
780 (rot_op): Renamed to conj_op.
781 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
782 cmul<conj_op><mode>3): New.
783 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
784 cmul<conj_op><mode>3): New.
786 2021-01-15 David Malcolm <dmalcolm@redhat.com>
788 PR bootstrap/98696
789 * diagnostic.c
790 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
791 Escape the tempfile name when constructing the expected output.
793 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
795 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
796 Rename to...
797 (aarch64_<su>mlsl_hi<mode>): ... This.
798 (aarch64_<su>mlsl_hi<mode>): Define.
799 (*aarch64_<su>mlsl<mode): Rename to...
800 (aarch64_<su>mlsl<mode): ... This.
801 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
802 smlsl_hi, umlsl_hi): Define builtins.
803 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
804 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
805 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
806 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
808 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
810 * config/i386/i386-c.c (ix86_target_macros):
811 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
813 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
815 PR target/88836
816 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
817 * Makefile.in (RTL_SSA_H): New variable.
818 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
819 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
820 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
821 pass_combine.
822 * config/aarch64/aarch64-cc-fusion.cc: New file.
824 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
826 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
827 calling cancel_changes for changes that no longer exist.
829 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
831 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
832 (function_info::reg_defs): ...this.
833 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
834 (function_info::reg_defs): ...this.
836 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
838 PR target/71233
839 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
841 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
843 Revert:
844 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
846 PR target/71233
847 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
849 2021-01-15 Richard Biener <rguenther@suse.de>
851 PR tree-optimization/96376
852 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
853 for VMAT_INVARIANT.
855 2021-01-15 Martin Liska <mliska@suse.cz>
857 * doc/install.texi: Document that some tests need pytest module.
858 * doc/sourcebuild.texi: Likewise.
860 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
862 PR target/71233
863 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
865 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
867 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
868 (mve_vshrq_n_u<mode>_imm): Likewise.
869 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
870 * config/arm/vec-common.md: ... here.
872 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
874 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
875 vec-commond.md.
876 * config/arm/neon.md (vashl<mode>3): Delete.
877 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
878 (vasl<mode>3): New expander.
880 2021-01-15 Richard Biener <rguenther@suse.de>
882 PR tree-optimization/98685
883 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
884 of vector extern defs.
886 2021-01-14 David Malcolm <dmalcolm@redhat.com>
888 PR jit/98586
889 * diagnostic.c (diagnostic_kind_text): Break out this array
890 from...
891 (diagnostic_build_prefix): ...here.
892 (fancy_abort): Detect when diagnostic_initialize has not yet been
893 called and fall back to a minimal implementation of printing the
894 ICE, rather than segfaulting in internal_error.
896 2021-01-14 David Malcolm <dmalcolm@redhat.com>
898 * diagnostic.c (diagnostic_initialize): Eliminate
899 parseable_fixits_p in favor of initializing extra_output_kind from
900 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
901 (convert_column_unit): New function, split out from...
902 (diagnostic_converted_column): ...this.
903 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
904 Use them to call convert_column_unit on the column values.
905 (diagnostic_report_diagnostic): Eliminate conditional on
906 parseable_fixits_p in favor of a switch statement on
907 extra_output_kind, passing the appropriate values to the new
908 params of print_parseable_fixits.
909 (selftest::test_print_parseable_fixits_none): Update for new
910 params of print_parseable_fixits.
911 (selftest::test_print_parseable_fixits_insert): Likewise.
912 (selftest::test_print_parseable_fixits_remove): Likewise.
913 (selftest::test_print_parseable_fixits_replace): Likewise.
914 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
915 New.
916 (selftest::diagnostic_c_tests): Call it.
917 * diagnostic.h (enum diagnostics_extra_output_kind): New.
918 (diagnostic_context::parseable_fixits_p): Delete field in favor
919 of...
920 (diagnostic_context::extra_output_kind): ...this new field.
921 * doc/invoke.texi (Environment Variables): Add
922 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
923 * opts.c (common_handle_option): Update handling of
924 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
925 fields.
927 2021-01-14 Tamar Christina <tamar.christina@arm.com>
929 * tree-vect-slp-patterns.c (class complex_operations_pattern,
930 complex_operations_pattern::matches,
931 complex_operations_pattern::recognize,
932 complex_operations_pattern::build): New.
933 (slp_patterns): Use it.
935 2021-01-14 Tamar Christina <tamar.christina@arm.com>
937 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
938 * optabs.def (cmls_optab, cmls_conj_optab): New.
939 * doc/md.texi: Document them.
940 * tree-vect-slp-patterns.c (class complex_fms_pattern,
941 complex_fms_pattern::matches, complex_fms_pattern::recognize,
942 complex_fms_pattern::build): New.
944 2021-01-14 Tamar Christina <tamar.christina@arm.com>
946 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
947 * optabs.def (cmla_optab, cmla_conj_optab): New.
948 * doc/md.texi: Document them.
949 * tree-vect-slp-patterns.c (vect_match_call_p,
950 class complex_fma_pattern, vect_slp_reset_pattern,
951 complex_fma_pattern::matches, complex_fma_pattern::recognize,
952 complex_fma_pattern::build): New.
954 2021-01-14 Tamar Christina <tamar.christina@arm.com>
956 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
957 * optabs.def (cmul_optab, cmul_conj_optab): New.
958 * doc/md.texi: Document them.
959 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
960 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
961 vect_build_combine_node, class complex_mul_pattern,
962 complex_mul_pattern::matches, complex_mul_pattern::recognize,
963 complex_mul_pattern::build): New.
965 2021-01-14 Tamar Christina <tamar.christina@arm.com>
967 * tree-vect-slp.c (optimize_load_redistribution_1): New.
968 (optimize_load_redistribution, vect_is_slp_load_node): New.
969 (vect_match_slp_patterns): Use it.
971 2021-01-14 Tamar Christina <tamar.christina@arm.com>
973 * tree-vect-slp-patterns.c (complex_add_pattern::build):
974 Elide nodes.
976 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
978 * config/gcn/mkoffload.c (main): Create an offload image only in
979 64-bit configurations.
981 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
983 PR target/98667
984 * config/i386/i386-options.c (ix86_option_override_internal):
985 Issue an error for -fcf-protection with CF_BRANCH when compiling
986 for 32-bit non-TARGET_CMOV targets.
988 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
990 PR target/98671
991 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
992 Remove declaration and initialization of shadow variable "ret".
993 (ix86_option_override_internal): Remove delcaration of
994 shadow variable "i". Redeclare shadowed variable to unsigned.
995 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
996 * config/i386/i386-builtins.c (get_builtin_code_for_version):
997 Update for redeclaration.
998 * config/i386/i386.h (pta_size): Ditto.
1000 2021-01-14 Richard Biener <rguenther@suse.de>
1002 PR tree-optimization/98674
1003 * tree-data-ref.c (base_supports_access_fn_components_p): New.
1004 (initialize_data_dependence_relation): For two bases without
1005 possible access fns resort to type size equality when determining
1006 shape compatibility.
1008 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1010 PR target/66791
1011 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
1012 <=, >= operators in vcle and vcge intrinsics respectively.
1013 * config/arm/arm_neon_builtins.def: Remove entry for
1014 vcge and vcgeu.
1016 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
1018 PR target/98671
1019 * config/i386/i386-options.c (ix86_function_specific_save):
1020 Remove redundant assignment to opts->x_ix86_branch_cost.
1021 * config/i386/i386.c (ix86_prefetch_sse):
1022 Rename from x86_prefetch_sse. Update all uses.
1023 * config/i386/i386.h: Update for rename.
1024 * config/i386/i386-options.h: Ditto.
1026 2021-01-14 Jakub Jelinek <jakub@redhat.com>
1028 PR target/98670
1029 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
1030 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
1031 Use Bm instead of m for non-avx. Add isa attribute.
1033 2021-01-14 Jakub Jelinek <jakub@redhat.com>
1035 PR tree-optimization/96688
1036 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
1037 ~X can be simplified.
1039 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
1041 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
1042 IFN_LOAD_LANES results.
1044 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1046 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
1047 Define.
1048 (aarch64_xtn<mode>): Likewise.
1049 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
1050 Define
1051 builtins.
1052 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
1053 builtin.
1054 (vmovl_s16): Likewise.
1055 (vmovl_s32): Likewise.
1056 (vmovl_u8): Likewise.
1057 (vmovl_u16): Likewise.
1058 (vmovl_u32): Likewise.
1059 (vmovn_s16): Likewise.
1060 (vmovn_s32): Likewise.
1061 (vmovn_s64): Likewise.
1062 (vmovn_u16): Likewise.
1063 (vmovn_u32): Likewise.
1064 (vmovn_u64): Likewise.
1066 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1068 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
1069 Define.
1070 (aarch64_<su>qxtn2<mode>_be): Likewise.
1071 (aarch64_<su>qxtn2<mode>): Likewise.
1072 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
1073 Define builtins.
1074 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
1075 (su): Handle ss_truncate and us_truncate.
1076 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
1077 builtin.
1078 (vqmovn_high_s32): Likewise.
1079 (vqmovn_high_s64): Likewise.
1080 (vqmovn_high_u16): Likewise.
1081 (vqmovn_high_u32): Likewise.
1082 (vqmovn_high_u64): Likewise.
1084 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1086 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
1087 Define.
1088 (aarch64_xtn2<mode>_be): Likewise.
1089 (aarch64_xtn2<mode>): Likewise.
1090 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
1091 builtins.
1092 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
1093 builtins.
1094 (vmovn_high_s32): Likewise.
1095 (vmovn_high_s64): Likewise.
1096 (vmovn_high_u16): Likewise.
1097 (vmovn_high_u32): Likewise.
1098 (vmovn_high_u64): Likewise.
1100 2021-01-13 Stafford Horne <shorne@gmail.com>
1102 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
1104 2021-01-13 Stafford Horne <shorne@gmail.com>
1106 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
1108 2021-01-13 Stafford Horne <shorne@gmail.com>
1110 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
1111 define for __or1k_hard_float__.
1113 2021-01-13 Stafford Horne <shorne@gmail.com>
1115 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
1116 (PROFILE_HOOK): Define to call _mcount.
1117 (FUNCTION_PROFILER): Change from abort to no-op.
1119 2021-01-13 Jakub Jelinek <jakub@redhat.com>
1121 PR tree-optimization/96691
1122 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
1123 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
1124 (~D ^ C) or (D ^ C) can be simplified.
1126 2021-01-13 Richard Biener <rguenther@suse.de>
1128 PR tree-optimization/92645
1129 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
1130 until after vector lowering.
1132 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
1134 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
1135 to SVE_I.
1136 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
1137 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
1139 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
1141 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
1142 to SVE_I.
1143 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
1144 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
1146 2021-01-13 Richard Biener <rguenther@suse.de>
1148 PR tree-optimization/92645
1149 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
1150 BIT_FIELD_REF argument.
1151 (vect_build_slp_tree_2): Record the desired vector type
1152 on the external vector def.
1153 (vectorizable_slp_permutation): Handle required punning
1154 of existing vector defs.
1156 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
1158 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
1160 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
1162 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
1164 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
1166 * config.gcc [$target == *-*-gnu*]: Enable
1167 'default_gnu_indirect_function'.
1169 2021-01-13 Jakub Jelinek <jakub@redhat.com>
1171 PR target/95905
1172 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
1173 registers before calling targetm.vectorize.vec_perm_const, only after
1174 that.
1175 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
1176 two argument permutation when one operand is zero vector and only
1177 after that force operands into registers.
1178 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
1179 define_insn_and_split pattern.
1180 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
1181 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
1182 (*avx2_zero_extendv8hiv8si2_1): Likewise.
1183 (*avx512f_zero_extendv8siv8di2_1): Likewise.
1184 (*avx2_zero_extendv4siv4di2_1): Likewise.
1185 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
1186 into registers.
1187 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
1188 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
1189 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
1190 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
1191 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
1192 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
1194 2021-01-13 Martin Liska <mliska@suse.cz>
1196 PR tree-optimization/98455
1197 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
1198 Record also virtual PHIs.
1199 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
1200 conditionally.
1202 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
1204 * doc/invoke.texi (C++ Modules): Fix typos.
1206 2021-01-13 Richard Biener <rguenther@suse.de>
1208 PR tree-optimization/98640
1209 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
1210 handle plus or minus from a truncated operand to be
1211 sign-extended.
1213 2021-01-13 Jakub Jelinek <jakub@redhat.com>
1215 PR target/96938
1216 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
1217 define_insn_and_split patterns.
1218 (splitter after *btr<mode>_2): New splitter.
1220 2021-01-13 Martin Liska <mliska@suse.cz>
1222 PR ipa/98652
1223 * cgraphunit.c (analyze_functions): Remove dead code.
1225 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
1227 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
1228 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
1229 (a64fx_regmove_cost, a64fx_vector_cost): New.
1230 (a64fx_tunings): Use the new added cost tables.
1232 2021-01-13 Jakub Jelinek <jakub@redhat.com>
1234 PR target/95905
1235 * config/i386/predicates.md (pmovzx_parallel): New predicate.
1236 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
1237 define_insn_and_split pattern.
1238 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
1239 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
1241 2021-01-13 Julian Brown <julian@codesourcery.com>
1243 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
1244 to fix v0 register.
1246 2021-01-13 Julian Brown <julian@codesourcery.com>
1248 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
1249 on entry to a BB.
1251 2021-01-13 Julian Brown <julian@codesourcery.com>
1253 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
1254 for reciprocal-approximation instructions.
1255 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
1256 refinement and division result.
1257 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
1259 2021-01-13 Julian Brown <julian@codesourcery.com>
1261 * config/gcn/gcn-valu.md (subdf): Rename to...
1262 (subdf3): This.
1264 2021-01-12 Martin Liska <mliska@suse.cz>
1266 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
1268 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
1270 * function-abi.h: Fix typo.
1272 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
1274 PR target/97875
1275 PR target/97875
1276 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
1277 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
1278 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
1279 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
1280 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
1281 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
1282 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
1283 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
1284 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
1285 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
1286 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
1287 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
1288 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
1289 (ARM_HAVE_V2DI_LDST): Likewise.
1290 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
1291 (*movmisalign<mode>_mve_load): New pattern.
1292 * config/arm/neon.md (movmisalign<mode>): Move to ...
1293 * config/arm/vec-common.md: ... here.
1295 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
1297 PR target/97969
1298 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
1299 of pattern 'plus (plus (hard reg, const), pseudo)'.
1301 2021-01-12 Richard Biener <rguenther@suse.de>
1303 PR tree-optimization/98550
1304 * tree-vect-slp.c (vect_record_max_nunits): Check whether
1305 the group size is a multiple of the vector element count.
1306 (vect_build_slp_tree_1): When we need to fail because
1307 the vector type choosen causes unrolling do so lazily
1308 without affecting matches only at the end to guide group splitting.
1310 2021-01-12 Martin Liska <mliska@suse.cz>
1312 PR c++/97284
1313 * optc-save-gen.awk: Compare also n_target_save vars with
1314 strcmp.
1316 2021-01-12 Martin Liska <mliska@suse.cz>
1318 * gcov.c (source_info::debug): New.
1319 (print_usage): Add --debug (-D) option.
1320 (process_args): Likewise.
1321 (generate_results): Call src->debug after
1322 accumulate_line_counts.
1323 (read_graph_file): Properly assign id for EXIT_BLOCK.
1324 * profile.c (branch_prob): Dump function body before it is
1325 instrumented.
1327 2021-01-12 Jakub Jelinek <jakub@redhat.com>
1329 PR tree-optimization/98629
1330 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
1331 unless returning non-zero.
1333 2021-01-12 Jakub Jelinek <jakub@redhat.com>
1335 PR tree-optimization/95731
1336 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
1337 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
1338 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
1339 only after optimize_range_tests_var_bound.
1341 2021-01-12 Jakub Jelinek <jakub@redhat.com>
1343 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
1344 * configure: Regenerated.
1346 2021-01-12 liuhongt <hongtao.liu@intel.com>
1348 PR target/98612
1349 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
1350 Deleted.
1351 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
1352 dead code.
1354 2021-01-12 Alexandre Oliva <oliva@adacore.com>
1356 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
1357 declare.
1358 (auto_end_imm_use_stmt_traverse): New struct.
1359 (FOR_EACH_IMM_USE_STMT): Use it.
1360 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
1361 along with uses...
1362 * gimple-ssa-strength-reduction.c: ... here, ...
1363 * graphite-scop-detection.c: ... here, ...
1364 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
1365 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
1366 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
1367 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
1368 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
1369 * tree-vect-slp.c: ... and here, ...
1370 * doc/tree-ssa.texi: ... and the example here.
1372 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1374 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
1375 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
1376 (*sdiv_pow2<mode>3): New pattern.
1377 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
1378 Wrap the ASRD in an UNSPEC_PRED_X.
1379 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
1380 predicate with a constant PTRUE, if it isn't already.
1381 (*cond_<sve_int_op><mode>_z): Replace with...
1382 (*cond_<sve_int_op><mode>_any): ...this new pattern.
1384 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1386 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
1387 SVE_FULL_I to SVE_I.
1388 (*cond_bic<mode>_any): Likewise.
1390 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1392 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
1393 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
1394 to SVE_I.
1396 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1398 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
1399 SVE_FULL_I to SVE_I.
1400 (*aarch64_cond_<su>abd<mode>_2): Likewise.
1401 (*aarch64_cond_<su>abd<mode>_any): Likewise.
1402 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
1403 for the max and min but not for the minus.
1404 (*aarch64_cond_<su>abd<mode>_3): New pattern.
1406 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1408 * config/aarch64/iterators.md (SVE_24I): New iterator.
1409 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
1410 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
1412 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1414 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
1415 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
1416 to SVE_I.
1417 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
1418 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
1419 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
1420 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
1422 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1424 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
1425 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
1426 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
1427 to SVE_I.
1429 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
1431 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
1432 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
1433 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
1435 2021-01-11 Martin Liska <mliska@suse.cz>
1437 PR jit/98615
1438 * symtab-clones.h (clone_info::release): Release
1439 symtab::m_clones with ggc_delete as it's a GGC memory.
1441 2021-01-11 Matthias Klose <doko@ubuntu.com>
1443 * Makefile.in (LINK_PROGRESS): Show the link target.
1445 2021-01-11 Richard Biener <rguenther@suse.de>
1447 PR tree-optimization/91403
1448 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
1449 single-element interleaving group size at 4096 elements.
1451 2021-01-11 Richard Biener <rguenther@suse.de>
1453 PR tree-optimization/98526
1454 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
1455 of the actual reduction op for the regular case.
1456 (vectorizable_reduction): Cost the stmts
1457 vect_transform_reduction produces here.
1459 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
1461 * tree-ssa-forwprop.c (simplify_vector_constructor): For
1462 big-endian, use UNPACK[_FLOAT]_HI.
1464 2021-01-11 Tamar Christina <tamar.christina@arm.com>
1466 * tree-vect-slp-patterns.c (class complex_pattern,
1467 class complex_add_pattern): Add parameters to matches.
1468 (complex_add_pattern::build): Free memory.
1469 (complex_add_pattern::matches): Move validation end of match.
1470 (complex_add_pattern::recognize): Likewise.
1472 2021-01-11 Tamar Christina <tamar.christina@arm.com>
1474 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
1476 2021-01-11 Tamar Christina <tamar.christina@arm.com>
1478 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
1480 2021-01-11 Jakub Jelinek <jakub@redhat.com>
1482 PR tree-optimization/95867
1483 * tree-ssa-math-opts.h: New header.
1484 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
1485 (powi_as_mults): No longer static. Use build_one_cst instead of
1486 build_real. Formatting fix.
1487 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
1488 (attempt_builtin_powi): Handle multiplication reassociation without
1489 powi_fndecl using powi_as_mults.
1490 (reassociate_bb): For integral types don't require
1491 -funsafe-math-optimizations to call attempt_builtin_powi.
1493 2021-01-11 Jakub Jelinek <jakub@redhat.com>
1495 PR tree-optimization/95852
1496 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
1497 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
1498 allow in the bb any of the stmts in that vector, div_stmt and
1499 up to 3 cast stmts.
1500 (arith_cast_equal_p): New function.
1501 (arith_overflow_check_p): Add cast_stmt argument, handle signed
1502 multiply overflow checks.
1503 (match_arith_overflow): Adjust caller. Handle signed multiply
1504 overflow checks.
1506 2021-01-11 Jakub Jelinek <jakub@redhat.com>
1508 PR tree-optimization/95852
1509 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
1510 (uaddsub_overflow_check_p): Renamed to ...
1511 (arith_overflow_check_p): ... this. Handle also multiplication
1512 with overflow check.
1513 (match_uaddsub_overflow): Renamed to ...
1514 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
1515 also multiplication with overflow check. Adjust function comment.
1516 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
1517 match_arith_overflow also for MULT_EXPR.
1519 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1521 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
1522 __builtin_convertvector.
1523 (vmovl_s16): Likewise.
1524 (vmovl_s32): Likewise.
1525 (vmovl_u8): Likewise.
1526 (vmovl_u16): Likewise.
1527 (vmovl_u32): Likewise.
1528 (vmovn_s16): Likewise.
1529 (vmovn_s32): Likewise.
1530 (vmovn_s64): Likewise.
1531 (vmovn_u16): Likewise.
1532 (vmovn_u32): Likewise.
1533 (vmovn_u64): Likewise.
1535 2021-01-11 Martin Liska <mliska@suse.cz>
1537 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
1538 (if_chain::is_beneficial): Delete clusters
1539 (find_conditions): Make second argument of conditions_in_bbs a
1540 pointer so that we control over it's lifetime.
1541 (pass_if_to_switch::execute): Delete them.
1543 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
1545 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
1546 it isn't set.
1548 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
1550 * config/vax/vax.md (cc): Remove mode attribute.
1551 (subst_<cc>, subst_f<cc>): Rename to...
1552 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
1553 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
1554 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
1555 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
1557 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
1559 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
1560 `const_double_zero'.
1562 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
1564 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
1565 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
1566 operands.
1568 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
1570 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
1571 rtx.
1572 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
1573 with `const_double_zero'.
1574 * doc/rtl.texi (Constant Expression Types): Document it.
1576 2021-01-09 Jakub Jelinek <jakub@redhat.com>
1578 PR c++/98556
1579 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
1580 POINTER_DIFF_EXPR to be any integral type.
1582 2021-01-09 Jakub Jelinek <jakub@redhat.com>
1584 PR rtl-optimization/98603
1585 * function.c (instantiate_virtual_regs_in_insn): For asm goto
1586 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
1587 if any, set ASM_OPERANDS mode to VOIDmode and change
1588 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
1590 2021-01-09 Alexandre Oliva <oliva@gnu.org>
1592 PR debug/97714
1593 * final.c (notice_source_line): Narrow down the condition to
1594 skip a line-0 marker.
1596 2021-01-08 Sergei Trofimovich <siarheit@google.com>
1598 * ipa-modref.c (merge_call_side_effects): Fix
1599 linebreak split by reordering two print calls.
1601 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
1603 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
1604 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
1605 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
1606 consistency, fix constraint.
1608 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
1610 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
1611 callables instead of mask values.
1612 (struct target_flag_set_p): New predicate.
1613 (s390_cpu_cpp_builtins_internal): Define or undefine
1614 __LONG_DOUBLE_VX__ macro.
1616 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
1618 PR target/98482
1619 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
1620 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
1621 targets.
1623 2021-01-08 Richard Biener <rguenther@suse.de>
1625 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
1627 2021-01-08 Richard Biener <rguenther@suse.de>
1629 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
1630 (vect_build_slp_tree): On cache hit release the matched
1631 scalar stmts vector.
1632 * tree-vect-stmts.c (vectorizable_store): Properly free
1633 vec_oprnds before possibly gathering them again.
1635 2021-01-08 Richard Biener <rguenther@suse.de>
1637 PR tree-optimization/98544
1638 * tree-vect-slp.c (vect_optimize_slp): Always materialize
1639 permutes at a permute node.
1641 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
1643 PR target/98482
1644 * config/i386/i386.c (x86_function_profiler): Use R10 to call
1645 mcount in large model. Sorry for large model with PIC.
1647 2021-01-08 Jakub Jelinek <jakub@redhat.com>
1649 PR target/98585
1650 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
1651 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
1652 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
1653 TargetSave and initialize for variables with enum types.
1654 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
1655 mstack-protector-guard-symbol=): Add Save.
1656 * config/i386/i386-options.c (ix86_function_specific_save,
1657 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
1658 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
1659 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
1660 x_ix86_veclibabi_type.
1662 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
1664 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
1665 SVE_FULL_I to SVE_I.
1666 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
1668 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
1670 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
1671 SVE_FULL_I to SVE_I.
1672 (*cond_uxt<mode>_any): Likewise.
1674 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1676 * config/aarch64/iterators.md (Vwhalf): New iterator.
1677 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
1678 Rename to...
1679 (aarch64_<sur>adalp<mode>): ... This. Make more
1680 builtin-friendly.
1681 (<sur>sadv16qi): Adjust callsite of the above.
1682 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
1683 builtins.
1684 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
1685 builtins.
1686 (vpadal_s16): Likewise.
1687 (vpadal_u8): Likewise.
1688 (vpadal_u16): Likewise.
1689 (vpadalq_s8): Likewise.
1690 (vpadalq_s16): Likewise.
1691 (vpadalq_s32): Likewise.
1692 (vpadalq_u8): Likewise.
1693 (vpadalq_u16): Likewise.
1694 (vpadalq_u32): Likewise.
1696 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1698 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
1699 Rename to...
1700 (aarch64_<su>abd<mode>): ... This.
1701 (<sur>sadv16qi): Adjust callsite of the above.
1702 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
1703 builtins.
1704 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
1705 builtin.
1706 (vabd_s16): Likewise.
1707 (vabd_s32): Likewise.
1708 (vabd_u8): Likewise.
1709 (vabd_u16): Likewise.
1710 (vabd_u32): Likewise.
1711 (vabdq_s8): Likewise.
1712 (vabdq_s16): Likewise.
1713 (vabdq_s32): Likewise.
1714 (vabdq_u8): Likewise.
1715 (vabdq_u16): Likewise.
1716 (vabdq_u32): Likewise.
1718 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1720 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
1721 builtins.
1722 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
1723 (vaba_s16): Likewise.
1724 (vaba_s32): Likewise.
1725 (vaba_u8): Likewise.
1726 (vaba_u16): Likewise.
1727 (vaba_u32): Likewise.
1728 (vabaq_s8): Likewise.
1729 (vabaq_s16): Likewise.
1730 (vabaq_s32): Likewise.
1731 (vabaq_u8): Likewise.
1732 (vabaq_u16): Likewise.
1733 (vabaq_u32): Likewise.
1735 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1737 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
1738 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
1739 Change RTL pattern to match.
1741 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
1743 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
1744 * config/riscv/riscv-c.c (riscv-subset.h): New.
1745 (INCLUDE_STRING): Define.
1746 (riscv_cpu_cpp_builtins): Add new style architecture extension
1747 test macros.
1748 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
1749 (riscv_subset_list::end): New.
1750 (riscv_current_subset_list): New.
1752 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
1754 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
1755 Move to riscv-subset.h.
1756 (struct riscv_subset_t): Ditto.
1757 (class riscv_subset_list): Ditto.
1758 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
1759 from riscv-common.c.
1760 (struct riscv_subset_t): Ditto.
1761 (class riscv_subset_list): Ditto.
1762 * config/riscv/t-riscv ($(common_out_file)): Add file
1763 dependency.
1765 2021-01-07 Jakub Jelinek <jakub@redhat.com>
1767 PR target/98567
1768 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
1769 New define_insn patterns.
1771 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
1773 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
1774 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
1775 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
1777 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
1779 PR tree-optimization/98560
1780 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
1781 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
1782 argument 1.
1783 (vec_cond_direct): Likewise argument 2.
1784 (vec_condu_direct, vec_condeq_direct): Delete.
1785 (expand_vect_cond_optab_fn): Rename to...
1786 (expand_vec_cond_optab_fn): ...this, replacing old macro.
1787 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
1788 (expand_vect_cond_mask_optab_fn): Rename to...
1789 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
1790 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
1791 convert optab.
1792 (direct_vec_cond_optab_supported_p): Likewise.
1793 (direct_vec_condu_optab_supported_p): Delete.
1794 (direct_vec_condeq_optab_supported_p): Delete.
1795 * gimple-isel.cc: Include internal-fn.h.
1796 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
1797 before using it.
1799 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
1801 PR tree-optimization/98560
1802 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
1803 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
1805 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
1807 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
1808 rotate_insn and optab code attributes.
1809 Update all uses to merged code attribute.
1810 * config/i386/sse.md: Update all uses to merged code attribute.
1811 * config/i386/mmx.md: Update all uses to merged code attribute.
1813 2021-01-07 Jakub Jelinek <jakub@redhat.com>
1815 PR tree-optimization/98568
1816 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
1817 (bswap_replace): Use it.
1819 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
1821 PR rtl-optimization/97978
1822 * lra-int.h (lra_hard_reg_split_p): New external.
1823 * lra.c (lra_hard_reg_split_p): New global.
1824 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
1825 * lra-assigns.c (lra_assign): Don't check allocation correctness
1826 after hard reg splitting.
1828 2021-01-06 Martin Sebor <msebor@redhat.com>
1830 PR c++/98305
1831 * builtins.c (new_delete_mismatch_p): New overload.
1832 (new_delete_mismatch_p (tree, tree)): Call it.
1834 2021-01-06 Alexandre Oliva <oliva@adacore.com>
1836 * Makefile.in (T_GLIMITS_H): New.
1837 (stmp-int-hdrs): Depend on it, use it.
1838 * config/t-vxworks (T_GLIMITS_H): Override it.
1839 (vxw-glimits.h): New.
1841 2021-01-06 Richard Biener <rguenther@suse.de>
1843 PR tree-optimization/98513
1844 * value-range.cc (intersect_ranges): Compare the upper bounds
1845 for the expected relation.
1847 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1849 Revert:
1850 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
1852 * doc/standards.texi (HSAIL): Remove section.
1854 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
1856 * configure: Re-generate.
1858 2021-01-05 Jakub Jelinek <jakub@redhat.com>
1860 * doc/invoke.texi (-std=c++20): Adjust for the publication of
1861 ISO 14882:2020 standard.
1862 * doc/standards.texi: Likewise.
1864 2021-01-05 Jakub Jelinek <jakub@redhat.com>
1866 PR tree-optimization/94802
1867 * expr.h (maybe_optimize_sub_cmp_0): Declare.
1868 * expr.c: Include tree-pretty-print.h and flags.h.
1869 (maybe_optimize_sub_cmp_0): New function.
1870 (do_store_flag): Use it.
1871 * cfgexpand.c (expand_gimple_cond): Likewise.
1873 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
1875 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
1876 * rtlanal.c (simple_regno_set): Tweak description to clarify the
1877 RMW condition.
1879 2021-01-05 Richard Biener <rguenther@suse.de>
1881 PR tree-optimization/98516
1882 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
1883 lanes when materializing on a VEC_PERM node.
1884 (vectorizable_slp_permutation): Dump the permute properly.
1886 2021-01-05 Richard Biener <rguenther@suse.de>
1888 * tree-vect-slp.c (vect_slp_region): Move debug counter
1889 to cover individual subgraphs.
1891 2021-01-05 Richard Biener <rguenther@suse.de>
1893 PR tree-optimization/98428
1894 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
1895 vector lane extracts for loop vectorization.
1897 2021-01-05 Jakub Jelinek <jakub@redhat.com>
1899 PR tree-optimization/98514
1900 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
1901 int64_t *.
1902 (operand_rank): Change type from hash_map<tree, long> to
1903 hash_map<tree, int64_t>.
1904 (phi_rank): Change return type from long to int64_t.
1905 (loop_carried_phi): Change block_rank variable type from long to
1906 int64_t.
1907 (propagate_rank): Change return type, rank parameter type and
1908 op_rank variable type from long to int64_t.
1909 (find_operand_rank): Change return type from long to int64_t
1910 and change slot variable type from long * to int64_t *.
1911 (insert_operand_rank): Change rank parameter type from long to
1912 int64_t.
1913 (get_rank): Change return type and rank variable type from long to
1914 int64_t. Use PRId64 instead of ld to print the rank.
1915 (init_reassoc): Change rank variable type from long to int64_t
1916 and adjust correspondingly bb_rank and operand_rank initialization.
1918 2021-01-05 Jakub Jelinek <jakub@redhat.com>
1920 PR tree-optimization/96928
1921 * tree-ssa-phiopt.c (xor_replacement): New function.
1922 (tree_ssa_phiopt_worker): Call it.
1924 2021-01-05 Jakub Jelinek <jakub@redhat.com>
1926 PR tree-optimization/96930
1927 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
1928 from narrower value which has the same type as 1 << B, perform
1929 the right shift on the narrower value followed by extension.
1931 2021-01-05 Jakub Jelinek <jakub@redhat.com>
1933 PR tree-optimization/96239
1934 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
1935 function.
1936 (get_status_for_store_merging): Don't return BB_INVALID for blocks
1937 with potential bswap optimizable CONSTRUCTORs.
1938 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
1939 if possible.
1941 2021-01-05 Richard Biener <rguenther@suse.de>
1943 PR tree-optimization/98381
1944 * tree.c (vector_element_bits): Properly compute bool vector
1945 element size.
1946 * tree-vect-loop.c (vectorizable_live_operation): Properly
1947 compute the last lane bit offset.
1949 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
1951 PR target/98522
1952 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
1953 Clear the top 64 bytes of the input XMM register.
1954 (sse_cvttps2pi): Ditto.
1956 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
1958 PR target/98521
1959 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
1961 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
1963 PR target/98495
1964 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
1965 short first.
1967 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
1969 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
1970 (umaddsidi4_split): Likewise.
1972 2021-01-05 liuhongt <hongtao.liu@intel.com>
1974 PR target/98461
1975 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
1976 define_insn_and_split for zero_extend of subreg HI of pmovskb
1977 result.
1978 (*sse2_pmovskb_zexthisi): Add new combine splitters for
1979 zero_extend of not of subreg HI of pmovskb result.
1981 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
1983 PR target/97269
1984 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
1985 nested in CONSTs.
1986 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
1987 convert_memory_address to convert symbolic immediates to ptr_mode
1988 before forcing them to memory.
1990 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
1992 PR rtl-optimization/97144
1993 * recog.c (constrain_operands): Initialize matching_operand
1994 for each alternative, rather than only doing it once.
1996 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
1998 PR rtl-optimization/98403
1999 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
2000 why we don't remove call clobbers.
2001 (function_info::apply_changes_to_insn): Don't attempt to add
2002 call clobbers here.
2004 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
2006 PR tree-optimization/98371
2007 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
2008 (vect_analyze_loop): If an epilogue loop appears to be cheaper
2009 than the main loop, re-analyze it as a main loop before adopting
2010 it as a main loop.
2012 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2014 PR c++/98316
2015 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
2016 * aclocal.m4, configure: Regenerate.
2017 * Makefile.in (NETLIBS): Define.
2018 (BACKEND): Remove $(CODYLIB).
2020 2021-01-05 Jakub Jelinek <jakub@redhat.com>
2022 PR rtl-optimization/98334
2023 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
2024 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
2026 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
2028 * tree-inline.c (expand_call_inline): Restore input_location.
2029 Return result from recursive call.
2031 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
2033 PR tree-optimization/95401
2034 * config/aarch64/aarch64-sve-builtins.cc
2035 (gimple_folder::load_store_cookie): Use bits rather than bytes
2036 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
2037 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
2038 * tree-vect-stmts.c (vectorizable_store): Likewise.
2039 (vectorizable_load): Likewise.
2041 2021-01-04 Richard Biener <rguenther@suse.de>
2043 PR tree-optimization/98308
2044 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
2045 SLP vectype.
2047 2021-01-04 Jakub Jelinek <jakub@redhat.com>
2049 PR tree-optimization/95771
2050 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
2051 with precision smaller than int's precision and types with precision
2052 twice as large as long long. Formatting fixes.
2054 2021-01-04 Richard Biener <rguenther@suse.de>
2056 PR tree-optimization/98464
2057 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
2058 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
2059 (process_bb): Adjust.
2061 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
2063 PR other/98437
2064 * doc/invoke.texi (-fsanitize=address): Fix wording describing
2065 clash with -fsanitize=hwaddress.
2067 2021-01-04 Richard Biener <rguenther@suse.de>
2069 PR tree-optimization/98282
2070 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
2071 invariants as VN_NARY.
2073 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
2075 PR target/89057
2076 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
2077 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
2078 to handle zero operands.
2080 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
2082 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
2083 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
2084 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
2085 [-32, 31].
2087 2021-01-04 Richard Biener <rguenther@suse.de>
2089 PR tree-optimization/98393
2090 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
2091 when hitting the limit.
2093 2021-01-04 Richard Biener <rguenther@suse.de>
2095 PR tree-optimization/98291
2096 * tree-vect-loop.c (vectorizable_reduction): Bypass
2097 associativity check for SLP reductions with VF 1.
2099 2021-01-04 Jakub Jelinek <jakub@redhat.com>
2101 PR tree-optimization/96782
2102 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
2104 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
2106 * collect-utils.c (collect_execute): Check dumppfx.
2107 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
2108 to collect_execute.
2109 (do_link): Add new parameter atsuffix.
2110 (main): Handle -dumpdir option. Skip one argument for
2111 -o, -isystem and -B options.
2112 * gcc.c (make_at_file): New helper function.
2113 (close_at_file): Use it.
2115 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
2117 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
2118 Amend handling for LD64_VERSION fallback defaults.
2120 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
2122 * config.gcc: Compute default version information
2123 from the configured target. Likewise defaults for
2124 ld64.
2125 * config/darwin10.h: Removed.
2126 * config/darwin12.h: Removed.
2127 * config/darwin9.h: Removed.
2128 * config/rs6000/darwin8.h: Removed.
2130 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
2132 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
2134 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
2136 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
2137 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
2139 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
2141 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
2142 here...
2143 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
2145 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
2147 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
2148 for the Darwin10 unwinder stub from here ...
2149 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
2151 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
2153 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
2154 (ASM_DEBUG_SPEC):Only define if the assembler supports
2155 stabs.
2156 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
2157 (DARWIN_PREFER_DWARF): Define.
2158 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
2159 (DARWIN_PREFER_DWARF): Likewise
2160 (DSYMUTIL_SPEC): Likewise.
2161 (COLLECT_RUN_DSYMUTIL): Likewise.
2162 (ASM_DEBUG_SPEC): Likewise.
2163 (ASM_DEBUG_OPTION_SPEC): Likewise.
2165 2021-01-02 Jan Hubicka <jh@suse.cz>
2167 * cfg.c (free_block): ggc_free bb.
2169 2021-01-01 Jakub Jelinek <jakub@redhat.com>
2171 * gcc.c (process_command): Update copyright notice dates.
2172 * gcov-dump.c (print_version): Ditto.
2173 * gcov.c (print_version): Ditto.
2174 * gcov-tool.c (print_version): Ditto.
2175 * gengtype.c (create_file): Ditto.
2176 * doc/cpp.texi: Bump @copying's copyright year.
2177 * doc/cppinternals.texi: Ditto.
2178 * doc/gcc.texi: Ditto.
2179 * doc/gccint.texi: Ditto.
2180 * doc/gcov.texi: Ditto.
2181 * doc/install.texi: Ditto.
2182 * doc/invoke.texi: Ditto.
2184 2021-01-01 Jakub Jelinek <jakub@redhat.com>
2186 * ChangeLog-2020: Rotate ChangeLog. New file.
2188 \f
2189 Copyright (C) 2021 Free Software Foundation, Inc.
2191 Copying and distribution of this file, with or without modification,
2192 are permitted in any medium without royalty provided the copyright
2193 notice and this notice are preserved.