| blob | cadcc1f1374f126cadbeb155f113c83350f123d7 |
1 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
3 Revert:
4 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
6 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
8 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
10 PR target/99134
11 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
12 pattern.
13 (trunctf<DFP_ALL:mode>2): Likewise.
14 (trunctdtf2_vr): Likewise.
15 (trunctdtf2): Likewise.
16 (extend<DFP_ALL:mode>tf2_vr): Likewise.
17 (extend<DFP_ALL:mode>tf2): Likewise.
18 (extendtftd2_vr): Likewise.
19 (extendtftd2): Likewise.
21 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
23 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
24 add memory alternative.
25 (tf_to_fprx2): New pattern.
27 2021-02-19 Martin Sebor <msebor@redhat.com>
29 PR c/97172
30 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
31 (attr_access::free_lang_data): Remove a spurious test.
33 2021-02-19 Nathan Sidwell <nathan@acm.org>
35 * doc/invoke.texi (flang-info-module-read): Document.
37 2021-02-19 Martin Liska <mliska@suse.cz>
39 PR translation/99167
40 * params.opt: Fix typo.
42 2021-02-19 Richard Biener <rguenther@suse.de>
44 PR middle-end/99122
45 * tree-inline.c (inline_forbidden_p): Do not inline functions
46 with VLA arguments or return value.
48 2021-02-19 Jakub Jelinek <jakub@redhat.com>
50 PR target/98998
51 * config/arm/arm.md (*stack_protect_combined_set_insn,
52 *stack_protect_combined_test_insn): If force_const_mem result
53 is not valid general operand, force its address into the destination
54 register first.
56 2021-02-19 Jakub Jelinek <jakub@redhat.com>
58 PR ipa/99034
59 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
60 pad or non-local label, put FORCED_LABELs from bb b after that label
61 rather than before it.
63 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
65 PR target/98657
66 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
67 expand_vector_broadcast' to emit the vec_duplicate operand.
69 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
71 PR rtl-optimization/96264
72 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
73 hard regs.
75 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
77 PR target/99113
78 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
79 looking up the retain attribute.
80 (resolve_unique_section): Likewise.
81 (get_variable_section): Likewise.
82 (switch_to_section): Likewise. Warn when a symbol without the
83 retain attribute and a symbol with the retain attribute are
84 placed in the section with the same name, instead of the used
85 attribute.
86 * doc/extend.texi: Document the "retain" attribute.
88 2021-02-18 Nathan Sidwell <nathan@acm.org>
90 PR c++/99023
91 * doc/invoke.texi (flang-info-include-translate): Document header
92 lookup behaviour.
94 2021-02-18 Richard Biener <rguenther@suse.de>
96 PR middle-end/99122
97 * ipa-fnsummary.c (analyze_function_body): Set
98 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
99 * tree-inline.c (insert_init_debug_bind): Pass NULL for
100 error_mark_node values.
101 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
102 values.
103 (setup_one_parameter): Delay force_value_to_type until when
104 it's needed.
106 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
108 PR tree-optimization/99142
109 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
111 2021-02-18 Jakub Jelinek <jakub@redhat.com>
113 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
114 wide_int_bitmask::wide_int_bitmask (uint64_t),
115 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
116 wide_int_bitmask::operator ~ () const,
117 wide_int_bitmask::operator | (wide_int_bitmask) const,
118 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
119 instead of inline.
120 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
121 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
122 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
123 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
124 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
125 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
126 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
127 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
128 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
129 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
130 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
131 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
132 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
133 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
134 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
135 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
136 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
137 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
138 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
139 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
140 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
141 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
142 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
143 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
145 2021-02-18 Jakub Jelinek <jakub@redhat.com>
147 PR middle-end/99109
148 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
149 (build_printable_array_type): ... this. Add nelts argument. For
150 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
151 nelts, call build_array_type_nelts.
152 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
153 instead of build_zero_elt_array_type and build_array_type_nelts.
155 2021-02-18 Jakub Jelinek <jakub@redhat.com>
157 PR target/99104
158 * config/i386/i386.c (distance_non_agu_define): Don't call
159 extract_insn_cached here.
160 (ix86_lea_outperforms): Save and restore recog_data around call
161 to distance_non_agu_define and distance_agu_use.
162 (ix86_ok_to_clobber_flags): Remove.
163 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
164 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
165 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
166 into define_insn. Move the splitting to define_peephole2 and
167 check there using peep2_regno_dead_p if FLAGS_REG is dead.
169 2021-02-17 Julian Brown <julian@codesourcery.com>
171 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
172 for non-decls.
174 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
176 PR target/98491
177 * config/mips/mips.c (mips_symbol_insns): Do not use
178 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
180 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
182 PR inline-asm/98096
183 * stmt.c (resolve_operand_name_1): Take inout operands into account
184 for access to labels by names.
185 * doc/extend.texi: Describe counting operands for accessing labels.
187 2021-02-16 Richard Biener <rguenther@suse.de>
189 PR tree-optimization/38474
190 * tree-ssa-structalias.c (variable_info::address_taken): New.
191 (new_var_info): Initialize address_taken.
192 (process_constraint): Set address_taken.
193 (solve_constraints): Use the new address_taken flag rather
194 than is_reg_var for sorting variables.
195 (dump_constraint): Dump the variable number if the name
196 is just NULL.
198 2021-02-16 Jakub Jelinek <jakub@redhat.com>
200 PR target/99100
201 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
202 multiply by 4096 and for inbranch by 8192.
203 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
204 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
206 2021-02-15 Maya Rashish <coypu@sdf.org>
208 * config/aarch64/aarch64.c (aarch64_init_builtins):
209 Call SUBTARGET_INIT_BUILTINS.
211 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
213 PR rtl-optimization/98872
214 * init-regs.c (initialize_uninitialized_regs): Skip initialization
215 if CONST0_RTX is NULL.
217 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
219 PR rtl-optimization/98863
220 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
221 (function_info::build_info): Turn into a declaration, moving the
222 definition to internals.h.
223 (function_info::bb_walker): Declare.
224 (function_info::create_reg_use): Likewise.
225 (function_info::calculate_potential_phi_regs): Take a build_info
226 parameter.
227 (function_info::place_phis, function_info::create_ebbs): Declare.
228 (function_info::calculate_ebb_live_in_for_debug): Likewise.
229 (function_info::populate_backedge_phis): Delete.
230 (function_info::start_block, function_info::end_block): Declare.
231 (function_info::populate_phi_inputs): Delete.
232 (function_info::m_potential_phi_regs): Move information to build_info.
233 * rtl-ssa/internals.h: New file.
234 (function_info::bb_phi_info): New class.
235 (function_info::build_info): Moved from functions.h.
236 Add a constructor and destructor.
237 (function_info::build_info::ebb_use): Delete.
238 (function_info::build_info::ebb_def): Likewise.
239 (function_info::build_info::bb_live_out): Likewise.
240 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
241 (function_info::build_info::potential_phi_regs): Likewise.
242 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
243 (function_info::build_info::ebb_def_regs): Likewise.
244 (function_info::build_info::bb_phis): Likewise.
245 (function_info::build_info::bb_mem_live_out): Likewise.
246 (function_info::build_info::bb_to_rpo): Likewise.
247 (function_info::build_info::def_stack): Likewise.
248 (function_info::build_info::old_def_stack_limit): Likewise.
249 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
250 Remove the regno argument. Push the previous definition onto the
251 definition stack where necessary.
252 * rtl-ssa/accesses.cc: Include internals.h.
253 * rtl-ssa/changes.cc: Likewise.
254 * rtl-ssa/blocks.cc: Likewise.
255 (function_info::build_info::build_info): Define.
256 (function_info::build_info::~build_info): Likewise.
257 (function_info::bb_walker): New class.
258 (function_info::bb_walker::bb_walker): Define.
259 (function_info::add_live_out_use): Convert a logarithmic-complexity
260 test into a linear one. Allow the same definition to be passed
261 multiple times.
262 (function_info::calculate_potential_phi_regs): Moved from
263 functions.cc. Take a build_info parameter and store the
264 information there instead.
265 (function_info::place_phis): New function.
266 (function_info::add_entry_block_defs): Update call to record_reg_def.
267 (function_info::calculate_ebb_live_in_for_debug): New function.
268 (function_info::add_phi_nodes): Use bb_phis to decide which
269 registers need phi nodes and initialize ebb_def_regs accordingly.
270 Do not add degenerate phis here.
271 (function_info::add_artificial_accesses): Use create_reg_use.
272 Assert that all definitions are listed in the DF LR sets.
273 Update call to record_reg_def.
274 (function_info::record_block_live_out): Record live-out register
275 values in the phis of successor blocks. Use the live-out set
276 when processing the last block in an EBB, instead of always
277 using the live-in sets of successor blocks. AND the live sets
278 with the set of registers that have been defined in the EBB,
279 rather than with all potential phi registers. Cope correctly
280 with branches back to the start of the current EBB.
281 (function_info::start_block): New function.
282 (function_info::end_block): Likewise.
283 (function_info::populate_phi_inputs): Likewise.
284 (function_info::create_ebbs): Likewise.
285 (function_info::process_all_blocks): Rewrite into a multi-phase
286 process.
287 * rtl-ssa/functions.cc: Include internals.h.
288 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
289 (function_info::init_function_data): Remove caller.
290 * rtl-ssa/insns.cc: Include internals.h
291 (function_info::create_reg_use): New function. Lazily any
292 degenerate phis needed by the linear RPO view.
293 (function_info::record_use): Use create_reg_use. When processing
294 debug uses, use potential_phi_regs and test it before checking
295 whether the register is live on entry to the current EBB. Lazily
296 calculate ebb_live_in_for_debug.
297 (function_info::record_call_clobbers): Update call to record_reg_def.
298 (function_info::record_def): Likewise.
300 2021-02-15 Martin Liska <mliska@suse.cz>
302 * toplev.c (init_asm_output): Free output of
303 gen_command_line_string function.
304 (process_options): Likewise.
306 2021-02-15 Martin Liska <mliska@suse.cz>
308 * params.opt: Add 2 missing Param keywords.
310 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
312 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
314 2021-02-15 Jakub Jelinek <jakub@redhat.com>
316 PR tree-optimization/99079
317 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
318 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
319 require both type and TREE_TYPE (@1) to be integral types and either
320 type having smaller or equal precision, or TREE_TYPE (@1) being
321 unsigned type, or type being signed type. If TREE_TYPE (@1)
322 doesn't have wrapping overflow, perform the subtraction of one in
323 unsigned type.
325 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
326 Richard Biener <rguether@suse.de>
328 PR ipa/97346
329 * ipa-reference.c (ipa_init): Only conditinally initialize
330 reference_vars_to_consider.
331 (propagate): Conditionally deninitialize reference_vars_to_consider.
332 (ipa_reference_write_optimization_summary): Sanity check that
333 reference_vars_to_consider is not allocated.
335 2021-02-13 Levy Hsu <admin@levyhsu.com>
337 PR target/97417
338 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
339 extend parameter to get_si_mem_base_reg declaration.
340 (get_si_mem_base_reg): Add extend parameter. Set it.
341 (analyze): Pass extend arg to get_si_mem_base_reg.
342 (transform): Likewise. Use it when rewriting mems.
343 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
344 loads and emit sign/zero extending load followed by subreg move.
346 2021-02-13 Jim Wilson <jimw@sifive.com>
348 PR target/97417
349 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
350 exit when !reload_completed. Only perform check for compressed reg
351 if reload_completed.
352 (riscv_rtx_costs): In MEM case, when optimizing for size and
353 shorten memrefs, if not compressible, then increase cost.
355 2021-02-13 Jakub Jelinek <jakub@redhat.com>
357 PR rtl-optimization/98439
358 * recog.c (pass_split_before_regstack::gate): Enable even when
359 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
360 on.
362 2021-02-13 Jakub Jelinek <jakub@redhat.com>
364 PR target/96166
365 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
366 swap of V2SImode elements in memory into DImode memory rotate by 32.
368 2021-02-12 Martin Sebor <msebor@redhat.com>
370 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
372 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
374 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
375 m_temp_obstack rather than m_obstack to allocate the temporary use.
377 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
379 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
380 as read-modify operations.
382 2021-02-12 Richard Biener <rguenther@suse.de>
384 PR middle-end/38474
385 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
386 fbi->aa_walk_budget is bigger than zero. Update
387 fbi->aa_walk_budget.
388 (param_change_prob): Likewise.
389 * ipa-prop.c (detect_type_change_from_memory_writes):
390 Properly account walk_aliased_vdefs.
391 (parm_preserved_before_stmt_p): Canonicalize updates.
392 (parm_ref_data_preserved_p): Likewise.
393 (parm_ref_data_pass_through_p): Likewise.
394 (determine_known_aggregate_parts): Account own alias queries.
396 2021-02-12 Martin Liska <mliska@suse.cz>
398 * opts-common.c (decode_cmdline_option): Release werror_arg.
399 * opts.c (gen_producer_string): Release output of
400 gen_command_line_string.
402 2021-02-12 Richard Biener <rguenther@suse.de>
404 PR tree-optimization/38474
405 * params.opt (-param=max-store-chains-to-track=): New param.
406 (-param=max-stores-to-track=): Likewise.
407 * doc/invoke.texi (max-store-chains-to-track): Document.
408 (max-stores-to-track): Likewise.
409 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
410 New.
411 (pass_store_merging::m_n_stores): Likewise.
412 (pass_store_merging::terminate_and_process_chain): Update
413 m_n_stores and m_n_chains.
414 (pass_store_merging::process_store): Likewise. Terminate
415 oldest chains if the number of stores or chains get too large.
416 (imm_store_chain_info::terminate_and_process_chain): Dump
417 chain length.
419 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
421 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
422 the cold section, emit a nop before the directive if the previous
423 active instruction can throw.
425 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
427 PR target/99041
428 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
429 memory addresses that are legal for quad word accesses.
431 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
433 PR target/98931
434 * config/arm/thumb2.md (*doloop_end_internal): Generate
435 alternative sequence to handle long range branches.
437 2021-02-11 Joel Hutton <joel.hutton@arm.com>
439 PR tree-optimization/98772
440 * optabs-tree.c (supportable_half_widening_operation): New function
441 to check for supportable V8QI->V8HI widening patterns.
442 * optabs-tree.h (supportable_half_widening_operation): New function.
443 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
444 to create promotion stmts for V8QI->V8HI widening patterns.
445 (vectorizable_conversion): Add case for V8QI->V8HI.
447 2021-02-11 Richard Biener <rguenther@suse.de>
449 * sparseset.h (SPARSESET_ELT_BITS): Remove.
450 (SPARSESET_ELT_TYPE): Use unsigned int.
451 * fwprop.c: Do not include sparseset.h.
453 2021-02-10 Jakub Jelinek <jakub@redhat.com>
455 PR c++/99035
456 * varasm.c (declare_weak): For -fsyntax-only, allow even
457 TREE_ASM_WRITTEN function decls.
459 2021-02-10 Jakub Jelinek <jakub@redhat.com>
461 PR target/99025
462 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
463 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
464 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
465 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
466 calling simplify_gen_subreg on it.
468 2021-02-10 Martin Liska <mliska@suse.cz>
470 * config/nvptx/nvptx.c (nvptx_option_override): Use
471 flag_patchable_function_entry instead of the removed
472 function_entry_patch_area_size.
474 2021-02-10 Martin Liska <mliska@suse.cz>
476 PR tree-optimization/99002
477 PR tree-optimization/99026
478 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
479 leak when adjacent cases are merged.
480 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
481 release_clusters.
482 (make_pass_lower_switch): Remove trailing whitespace.
483 * tree-switch-conversion.h (release_clusters): New.
485 2021-02-10 Richard Biener <rguenther@suse.de>
487 PR rtl-optimization/99054
488 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
489 (fixup_partitions): Adjust.
490 (rtl_verify_edges): Likewise.
492 2021-02-10 Jakub Jelinek <jakub@redhat.com>
494 PR middle-end/99007
495 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
496 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
497 calls.
499 2021-02-10 Richard Biener <rguenther@suse.de>
501 PR ipa/99029
502 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
503 for callees.
505 2021-02-10 Richard Biener <rguenther@suse.de>
507 PR tree-optimization/99024
508 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
509 clear loop->aux if it is associated with the destroyed loop_vinfo.
511 2021-02-10 Martin Liska <mliska@suse.cz>
513 PR tree-optimization/99002
514 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
515 in the function.
517 2021-02-10 Martin Liska <mliska@suse.cz>
519 PR ipa/99003
520 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
521 a reference exists.
523 2021-02-10 Jakub Jelinek <jakub@redhat.com>
525 PR debug/98755
526 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
527 at class scope for DWARF5+.
529 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
531 PR rtl-optimization/96015
532 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
533 (relax_delay_slots): When deleting a jump to the next active
534 instruction over a barrier, first delete the barrier if the
535 jump is the only way to reach the target label.
537 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
539 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
540 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
541 vector multiplies and vect.alu for SSRA.
542 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
543 vect.mul cost field.
544 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
545 * config/arm/arm.c: Likewise.
547 2021-02-09 Richard Biener <rguenther@suse.de>
549 PR tree-optimization/98863
550 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
551 * tree-ssa-sccvn.c (last_pushed_avail): New global.
552 (rpo_elim::eliminate_push_avail): Chain pushed avails.
553 (unwind_state::avail_top): Add.
554 (do_unwind): Rewrite unwinding of avail entries.
555 (do_rpo_vn): Initialize last_pushed_avail and
556 avail_top of the undo state.
558 2021-02-09 Jakub Jelinek <jakub@redhat.com>
560 PR middle-end/99004
561 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
562 const char * to char * and free those pointers after use.
564 2021-02-09 Richard Biener <rguenther@suse.de>
566 PR tree-optimization/99017
567 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
568 zero vector cost entries.
570 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
572 PR middle-end/98974
573 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
574 parameter in vectorizable_condition.
576 2021-02-08 Richard Biener <rguenther@suse.de>
578 PR lto/96591
579 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
581 2021-02-08 Martin Liska <mliska@suse.cz>
583 PR lto/98971
584 * cfgexpand.c (pass_expand::execute): Parse per-function option
585 flag_patchable_function_entry and use it.
586 * common.opt: Remove function_entry_patch_area_size and
587 function_entry_patch_area_start global variables.
588 * opts.c (parse_and_check_patch_area): New function.
589 (common_handle_option): Use it.
590 * opts.h (parse_and_check_patch_area): New function.
591 * toplev.c (process_options): Parse and use
592 function_entry_patch_area_size.
594 2021-02-08 Martin Sebor <msebor@redhat.com>
596 * doc/extend.texi (attribute malloc): Correct typos.
598 2021-02-05 Nathan Sidwell <nathan@acm.org>
600 PR driver/98943
601 * gcc.c (driver::maybe_run_linker): Check for input file
602 accessibility if not linking.
604 2021-02-05 Richard Biener <rguenther@suse.de>
606 PR tree-optimization/98855
607 * tree-vectorizer.h (add_stmt_cost): New overload.
608 * tree-vect-slp.c (li_cost_vec_cmp): New.
609 (vect_bb_slp_scalar_cost): Cost individual loop regions
610 separately. Account for the scalar instance root stmt.
612 2021-02-05 Tom de Vries <tdevries@suse.de>
614 PR debug/98656
615 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
616 argument.
617 (bit_test_cluster::emit): Reuse location_t for newly created
618 gswitch statement.
619 (switch_decision_tree::try_switch_expansion): Preserve
620 location_t.
621 * tree-switch-conversion.h: Change function signatures.
623 2021-02-05 Jakub Jelinek <jakub@redhat.com>
625 PR target/98957
626 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
627 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
628 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
629 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
631 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
633 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
634 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
635 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
636 (vget_high_f16): Reimplement using new builtin.
637 (vget_high_f32): Likewise.
638 (vget_high_f64): Likewise.
639 (vget_high_p8): Likewise.
640 (vget_high_p16): Likewise.
641 (vget_high_p64): Likewise.
642 (vget_high_s8): Likewise.
643 (vget_high_s16): Likewise.
644 (vget_high_s32): Likewise.
645 (vget_high_s64): Likewise.
646 (vget_high_u8): Likewise.
647 (vget_high_u16): Likewise.
648 (vget_high_u32): Likewise.
649 (vget_high_u64): Likewise.
651 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
653 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
654 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
655 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
656 (vget_low_f16): Reimplement using new builtin.
657 (vget_low_f32): Likewise.
658 (vget_low_f64): Likewise.
659 (vget_low_p8): Likewise.
660 (vget_low_p16): Likewise.
661 (vget_low_p64): Likewise.
662 (vget_low_s8): Likewise.
663 (vget_low_s16): Likewise.
664 (vget_low_s32): Likewise.
665 (vget_low_s64): Likewise.
666 (vget_low_u8): Likewise.
667 (vget_low_u16): Likewise.
668 (vget_low_u32): Likewise.
669 (vget_low_u64): Likewise.
671 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
673 * gcc.c (print_multilib_info): Check all required argument is provided
674 by default arg.
676 2021-02-05 liuhongt <hongtao.liu@intel.com>
678 PR target/98537
679 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
680 generate integer mask comparison for 128/256-bits vector when
681 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
682 delete redundant !maskcmp condition.
683 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
684 here.
685 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
686 condition directly to if (maskcmp), add extra check for
687 cmpmode, it should be MODE_INT.
688 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
689 parameters op_true/op_false.
690 (ix86_use_mask_cmp_p): New.
692 2021-02-05 liuhongt <hongtao.liu@intel.com>
694 PR target/98172
695 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
696 Remove m_GENERIC from ~list.
697 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
699 2021-02-04 David Malcolm <dmalcolm@redhat.com>
701 PR c/97932
702 * diagnostic-show-locus.c (compatible_locations_p): Require
703 locations in the same macro map to be either both from the
704 macro definition, or both from the macro arguments.
706 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
708 * config/aarch64/aarch64-simd-builtins.def: Add
709 [su]mull_hi_lane[q] builtin generator macros.
710 * config/aarch64/aarch64-simd.md
711 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
712 (aarch64_<su>mull_hi_lane<mode>): Define.
713 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
714 (aarch64_<su>mull_hi_laneq<mode>): Define.
715 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
716 builtin instead of inline asm.
717 (vmull_high_lane_s32): Likewise.
718 (vmull_high_lane_u16): Likewise.
719 (vmull_high_lane_u32): Likewise.
720 (vmull_high_laneq_s16): Likewise.
721 (vmull_high_laneq_s32): Likewise.
722 (vmull_high_laneq_u16): Likewise.
723 (vmull_high_laneq_u32): Liekwise.
725 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
727 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
728 builtin generator macros.
729 * config/aarch64/aarch64-simd.md
730 (aarch64_<su>mull_hi_n<mode>_insn): Define.
731 (aarch64_<su>mull_hi_n<mode>): Define.
732 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
733 instead of inline asm.
734 (vmull_high_n_s32): Likewise.
735 (vmull_high_n_u16): Likewise.
736 (vmull_high_n_u32): Likewise.
738 2021-02-04 Richard Biener <rguenther@suse.de>
740 PR tree-optimization/98855
741 * tree-vect-loop.c (vectorizable_phi): Do not cost
742 single-argument PHIs.
743 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
744 * tree-vect-stmts.c (vectorizable_bswap): Also perform
745 costing for SLP operation.
747 2021-02-04 Martin Liska <mliska@suse.cz>
749 * doc/extend.texi: Mention -mprefer-vector-width in target
750 attributes.
752 2021-02-03 Martin Sebor <msebor@redhat.com>
754 PR tree-optimization/98937
755 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
756 Flush pointer_query cache.
758 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
760 * config/rs6000/genfusion.pl (gen_2logical): Add missing
761 fixes based on patch review.
762 * config/rs6000/fusion.md: Regenerate file.
764 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
766 * config/rs6000/t-rs6000: Comment out auto generation of
767 fusion.md for now.
769 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
771 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
772 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
773 (output_file_start): Add gfx908.
774 * config/gcn/gcn.opt (gpu_type): Add gfx908.
775 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
776 (MULTILIB_DIRNAMES): Add gfx908.
777 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
778 (main): Recognize gfx908.
779 * config/gcn/t-omp-device: Add gfx908.
781 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
783 * config/aarch64/aarch64-simd-builtins.def: Add
784 [su]mlsl_hi_lane[q] builtin macro generators.
785 * config/aarch64/aarch64-simd.md
786 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
787 (aarch64_<su>mlsl_hi_lane<mode>): Define.
788 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
789 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
790 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
791 builtin instead of inline asm.
792 (vmlsl_high_lane_s32): Likewise.
793 (vmlsl_high_lane_u16): Likewise.
794 (vmlsl_high_lane_u32): Likewise.
795 (vmlsl_high_laneq_s16): Likewise.
796 (vmlsl_high_laneq_s32): Likewise.
797 (vmlsl_high_laneq_u16): Likewise.
798 (vmlsl_high_laneq_u32): Likewise.
799 (vmlal_high_laneq_u32): Likewise.
801 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
803 * config/aarch64/aarch64-simd-builtins.def: Add
804 [su]mlal_hi_lane[q] builtin generator macros.
805 * config/aarch64/aarch64-simd.md
806 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
807 (aarch64_<su>mlal_hi_lane<mode>): Define.
808 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
809 (aarch64_<su>mlal_hi_laneq<mode>): Define.
810 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
811 builtin instead of inline asm.
812 (vmlal_high_lane_s32): Likewise.
813 (vmlal_high_lane_u16): Likewise.
814 (vmlal_high_lane_u32): Likewise.
815 (vmlal_high_laneq_s16): Likewise.
816 (vmlal_high_laneq_s32): Likewise.
817 (vmlal_high_laneq_u16): Likewise.
818 (vmlal_high_laneq_u32): Likewise.
820 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
822 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
823 builtin generator macros.
824 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
825 Define.
826 (aarch64_<su>mlsl_hi_n<mode>): Define.
827 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
828 instead of inline asm.
829 (vmlsl_high_n_s32): Likewise.
830 (vmlsl_high_n_u16): Likewise.
831 (vmlsl_high_n_u32): Likewise.
833 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
835 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
836 builtin generator macros.
837 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
838 Define.
839 (aarch64_<su>mlal_hi_n<mode>): Define.
840 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
841 instead of inline asm.
842 (vmlal_high_n_s32): Likewise.
843 (vmlal_high_n_u16): Likewise.
844 (vmlal_high_n_u32): Likewise.
846 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
848 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
849 generator macros.
850 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
851 Rename to...
852 (aarch64_<su>mlal_hi<mode>_insn): This.
853 (aarch64_<su>mlal_hi<mode>): Define.
854 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
855 instead of inline asm.
856 (vmlal_high_s16): Likewise.
857 (vmlal_high_s32): Likewise.
858 (vmlal_high_u8): Likewise.
859 (vmlal_high_u16): Likewise.
860 (vmlal_high_u32): Likewise.
862 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
864 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
865 after calling alter_subreg() on a (mem).
867 2021-02-03 Martin Liska <mliska@suse.cz>
869 PR lto/98912
870 * lto-streamer-out.c (produce_lto_section): Fill up missing
871 padding.
872 * lto-streamer.h (struct lto_section): Add _padding field.
874 2021-02-03 Richard Biener <rguenther@suse.de>
876 * lto-streamer.c (lto_get_section_name): Free temporary
877 buffer.
878 * tree-loop-distribution.c
879 (loop_distribution::merge_dep_scc_partitions): Free edge data.
881 2021-02-03 Jakub Jelinek <jakub@redhat.com>
883 PR middle-end/97487
884 * ifcvt.c (noce_can_force_operand): New function.
885 (noce_emit_move_insn): Use it.
886 (noce_try_sign_mask): Likewise. Formatting fix.
888 2021-02-03 Jakub Jelinek <jakub@redhat.com>
890 PR middle-end/97971
891 * lra-constraints.c (process_alt_operands): For inline asm, don't call
892 fatal_insn, but instead return false.
894 2021-02-03 Jakub Jelinek <jakub@redhat.com>
896 PR tree-optimization/98287
897 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
898 for V1DImode.
900 2021-02-03 Tamar Christina <tamar.christina@arm.com>
902 PR tree-optimization/98928
903 * tree-vect-loop.c (vect_analyze_loop_2): Change
904 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
905 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
906 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
907 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
909 2021-02-02 Richard Biener <rguenther@suse.de>
911 * gimple-loop-interchange.cc (prepare_data_references):
912 Release vectors.
913 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
914 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
915 * tree-vect-stmts.c (vectorizable_condition): Do not
916 allocate vectors.
917 (vectorizable_comparison): Likewise.
919 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
921 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
922 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
923 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
924 (vrsqrteq_u32): Likewise.
926 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
928 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
929 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
930 (aarch64_sqxtun2<mode>_be): Likewise.
931 (aarch64_sqxtun2<mode>): Likewise.
932 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
933 (vqmovun_high_s32): Likewise.
934 (vqmovun_high_s64): Likewise.
935 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
937 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
939 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
940 AUTO_FP flags.
941 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
943 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
945 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
946 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
947 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
948 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
949 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
950 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
951 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
952 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
954 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
956 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
957 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
958 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
960 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
962 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
963 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
965 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
967 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
968 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
969 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
970 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
971 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
972 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
973 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
974 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
975 NONE builtin flags.
977 2021-02-02 Jakub Jelinek <jakub@redhat.com>
979 PR tree-optimization/98848
980 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
981 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
983 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
985 PR target/98743
986 * expr.c: Check mode before calling store_expr.
988 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
990 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
991 (VORNQ): Remove.
992 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
993 instruction using expression ior.
994 (mve_vornq_u<mode>): New expander.
995 (mve_vornq_f<mode>): Use ior code instead of unspec.
996 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
998 2021-02-02 Alexandre Oliva <oliva@adacore.com>
1000 * tree-nested.c (convert_nonlocal_reference_op): Move
1001 current_function_decl restore after re-gimplification.
1002 (convert_local_reference_op): Likewise.
1004 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1006 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
1007 Define builtins.
1008 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
1009 Define.
1010 (aarch64_rshrn<mode>_insn_be): Likewise.
1011 (aarch64_rshrn<mode>): Likewise.
1012 (aarch64_rshrn2<mode>_insn_le): Likewise.
1013 (aarch64_rshrn2<mode>_insn_be): Likewise.
1014 (aarch64_rshrn2<mode>): Likewise.
1015 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
1016 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
1017 using builtin.
1018 (vrshrn_high_n_s32): Likewise.
1019 (vrshrn_high_n_s64): Likewise.
1020 (vrshrn_high_n_u16): Likewise.
1021 (vrshrn_high_n_u32): Likewise.
1022 (vrshrn_high_n_u64): Likewise.
1023 (vrshrn_n_s16): Likewise.
1024 (vrshrn_n_s32): Likewise.
1025 (vrshrn_n_s64): Likewise.
1026 (vrshrn_n_u16): Likewise.
1027 (vrshrn_n_u32): Likewise.
1028 (vrshrn_n_u64): Likewise.
1030 2021-02-01 Sergei Trofimovich <siarheit@google.com>
1032 PR tree-optimization/98499
1033 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
1034 conservatively and assume all possible side-effects.
1036 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1038 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
1039 vec_unpacku_hi_): Define builtins.
1040 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
1041 builtin.
1042 (vmovl_high_s16): Likewise.
1043 (vmovl_high_s32): Likewise.
1044 (vmovl_high_u8): Likewise.
1045 (vmovl_high_u16): Likewise.
1046 (vmovl_high_u32): Likewise.
1048 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1050 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
1051 Define builtins.
1052 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
1053 pattern.
1054 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
1055 UNSPEC_UABDL.
1056 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
1057 builtin.
1058 (vabdl_s16): Likewise.
1059 (vabdl_s32): Likewise.
1060 (vabdl_u8): Likewise.
1061 (vabdl_u16): Likewise.
1062 (vabdl_u32): Likewise.
1063 * config/aarch64/iterators.md (ABDL): New int iterator.
1064 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
1066 2021-02-01 Martin Sebor <msebor@redhat.com>
1068 * tree.h (BLOCK_VARS): Add comment.
1069 (BLOCK_SUBBLOCKS): Same.
1070 (BLOCK_SUPERCONTEXT): Same.
1071 (BLOCK_ABSTRACT_ORIGIN): Same.
1072 (inlined_function_outer_scope_p): Same.
1074 2021-02-01 Martin Sebor <msebor@redhat.com>
1076 PR middle-end/97172
1077 * attribs.c (attr_access::free_lang_data): Define new function.
1078 * attribs.h (attr_access::free_lang_data): Declare new function.
1080 2021-02-01 Richard Biener <rguenther@suse.de>
1082 * vec.h (auto_vec::auto_vec): Add memory stat parameters
1083 and pass them on.
1084 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
1086 2021-02-01 Tamar Christina <tamar.christina@arm.com>
1088 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
1089 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
1091 2021-02-01 Richard Biener <rguenther@suse.de>
1093 PR rtl-optimization/98863
1094 * config/i386/i386-features.c (convert_scalars_to_vector):
1095 Set DF_RD_PRUNE_DEAD_DEFS.
1097 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
1099 * system.h (SIZE_MAX): Define if not already defined.
1101 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
1103 * config/rs6000/genfusion.pl (gen_2logical): New function to
1104 generate patterns for logical-logical fusion.
1105 * config/rs6000/fusion.md: Regenerated patterns.
1106 * config/rs6000/rs6000-cpus.def: Add
1107 OPTION_MASK_P10_FUSION_2LOGICAL.
1108 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1109 Enable logical-logical fusion for p10.
1110 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
1112 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
1114 * config/rs6000/rs6000.opt: Add periods to new AIX options.
1116 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
1118 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
1119 (mabi=vec-default): New.
1120 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
1121 __EXTABI__ for AIX Vector extended ABI.
1122 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
1123 extabi info.
1124 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
1125 are non-volatile.
1126 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
1128 2021-01-30 Jakub Jelinek <jakub@redhat.com>
1130 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
1131 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
1133 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
1135 PR target/97701
1136 * lra-constraints.c (in_class_p): Don't narrow class only for REG
1137 or MEM.
1139 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
1141 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
1142 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
1143 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
1145 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
1147 PR tree-optimization/98866
1148 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
1149 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
1150 (gori_map::m_maybe_invariant): Rename from all_outgoing.
1151 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
1152 (gori_map::is_export_p): Ditto.
1153 (gori_map::calculate_gori): Ditto.
1154 (gori_compute::set_range_invariant): New.
1155 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
1156 invariant for pointers evaluating to [1, +INF].
1158 2021-01-29 Richard Biener <rguenther@suse.de>
1160 PR rtl-optimization/98863
1161 * config/i386/i386-features.c (remove_partial_avx_dependency):
1162 Do not perform DF analysis.
1163 (pass_data_remove_partial_avx_dependency): Remove
1164 TODO_df_finish.
1166 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
1168 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
1169 builtin generator macros.
1170 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
1171 Define.
1172 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
1173 instead of inline asm.
1174 (vmull_n_s32): Likewise.
1175 (vmull_n_u16): Likewise.
1176 (vmull_n_u32): Likewise.
1178 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1180 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
1181 Define builtins.
1182 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
1183 Rename to...
1184 (aarch64_<sur>abdl2<mode>): ... This.
1185 (<sur>sadv16qi): Adjust use of above.
1186 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
1187 builtin.
1188 (vabdl_high_s16): Likewise.
1189 (vabdl_high_s32): Likewise.
1190 (vabdl_high_u8): Likewise.
1191 (vabdl_high_u16): Likewise.
1192 (vabdl_high_u32): Likewise.
1194 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1196 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
1197 builtin.
1198 (uabal2): Likewise.
1199 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
1200 pattern.
1201 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
1202 UNSPEC_UABAL2.
1203 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
1204 builtin.
1205 (vabal_high_s16): Likewise.
1206 (vabal_high_s32): Likewise.
1207 (vabal_high_u8): Likewise.
1208 (vabal_high_u16): Likewise.
1209 (vabal_high_u32): Likewise.
1210 * config/aarch64/iterators.md (ABAL2): New mode iterator.
1211 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
1213 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1215 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
1216 builtin.
1217 (uabal): Likewise.
1218 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
1219 Rename to...
1220 (aarch64_<sur>abal<mode>): ... This
1221 (<sur>sadv16qi): Adust use of the above.
1222 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
1223 builtin.
1224 (vabal_s16): Likewise.
1225 (vabal_s32): Likewise.
1226 (vabal_u8): Likewise.
1227 (vabal_u16): Likewise.
1228 (vabal_u32): Likewise.
1230 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1232 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
1233 Define builtins.
1234 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
1235 Define.
1236 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
1237 builtin.
1238 (vaddlv_s16): Likewise.
1239 (vaddlv_u8): Likewise.
1240 (vaddlv_u16): Likewise.
1241 (vaddlvq_s8): Likewise.
1242 (vaddlvq_s16): Likewise.
1243 (vaddlvq_s32): Likewise.
1244 (vaddlvq_u8): Likewise.
1245 (vaddlvq_u16): Likewise.
1246 (vaddlvq_u32): Likewise.
1247 (vaddlv_s32): Likewise.
1248 (vaddlv_u32): Likewise.
1249 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
1250 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
1251 (Vwstype): New mode attribute.
1252 (Vwsuf): Likewise.
1253 (VWIDE_S): Likewise.
1254 (USADDLV): New int iterator.
1255 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
1257 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
1259 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
1260 builtin generator macros.
1261 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
1262 Define.
1263 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
1264 instead of inline asm.
1265 (vmlsl_lane_s32): Likewise.
1266 (vmlsl_lane_u16): Likewise.
1267 (vmlsl_lane_u32): Likewise.
1268 (vmlsl_laneq_s16): Likewise.
1269 (vmlsl_laneq_s32): Likewise.
1270 (vmlsl_laneq_u16): Likewise.
1271 (vmlsl_laneq_u32): Likewise.
1273 2021-01-29 Richard Biener <rguenther@suse.de>
1275 * doc/invoke.texi (--param max-gcse-memory): Document unit
1276 of size.
1277 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
1278 * params.opt (--param max-gcse-memory): Adjust default and
1279 document unit of size.
1281 2021-01-29 Richard Biener <rguenther@suse.de>
1283 PR rtl-optimization/98863
1284 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
1285 HOST_WIDE_INT for the memory estimate.
1287 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
1288 Richard Biener <rguenther@suse.de>
1290 PR tree-optimization/97627
1291 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
1292 Do not analyze fake edges.
1294 2021-01-29 Richard Biener <rguenther@suse.de>
1296 PR rtl-optimization/98144
1297 * df.h (df_mir_bb_info): Add con_visited member.
1298 * df-problems.c (df_mir_alloc): Initialize con_visited,
1299 do not fully populate IN and OUT.
1300 (df_mir_reset): Likewise.
1301 (df_mir_confluence_0): Set con_visited.
1302 (df_mir_confluence_n): Properly handle implicitely
1303 fully populated IN and OUT as designated by con_visited
1304 and update con_visited accordingly.
1306 2021-01-29 Jakub Jelinek <jakub@redhat.com>
1308 PR target/98849
1309 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
1310 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
1311 && !TARGET_REALLY_IWMMXT to conditions.
1313 2021-01-29 Jakub Jelinek <jakub@redhat.com>
1315 PR debug/98331
1316 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
1317 a BARRIER.
1319 2021-01-28 Marek Polacek <polacek@redhat.com>
1321 PR c++/94775
1322 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
1323 the main variant, maybe reset it in its variants too.
1324 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
1325 (check_aligned_type): Check if TYPE_USER_ALIGN match.
1327 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
1329 PR target/98730
1330 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
1331 of constant zero for comparisons.
1333 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
1335 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
1336 support for mapping built-in function names for long double
1337 built-in functions if long double is IEEE 128-bit.
1339 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
1341 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
1342 builtin generator macros.
1343 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
1344 Define.
1345 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
1346 instead of inline asm.
1347 (vmlsl_n_s32): Likewise.
1348 (vmlsl_n_u16): Likewise.
1349 (vmlsl_n_u32): Likewise.
1351 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
1353 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
1354 builtin generator macros.
1355 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
1356 Define.
1357 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
1358 instead of inline asm.
1359 (vmlal_n_s32): Likewise.
1360 (vmlal_n_u16): Likewise.
1361 (vmlal_n_u32): Likewise.
1363 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1365 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
1366 builtin.
1367 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
1368 Define.
1369 (aarch64_shrn2<mode>_insn_be): Likewise.
1370 (aarch64_shrn2<mode>): Likewise.
1371 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
1372 using builtins.
1373 (vshrn_high_n_s32): Likewise.
1374 (vshrn_high_n_s64): Likewise.
1375 (vshrn_high_n_u16): Likewise.
1376 (vshrn_high_n_u32): Likewise.
1377 (vshrn_high_n_u64): Likewise.
1379 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1381 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
1382 builtin.
1383 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
1384 Define.
1385 (aarch64_shrn<mode>_insn_be): Likewise.
1386 (aarch64_shrn<mode>): Likewise.
1387 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
1388 builtins.
1389 (vshrn_n_s32): Likewise.
1390 (vshrn_n_s64): Likewise.
1391 (vshrn_n_u16): Likewise.
1392 (vshrn_n_u32): Likewise.
1393 (vshrn_n_u64): Likewise.
1394 * config/aarch64/iterators.md (vn_mode): New mode attribute.
1396 2021-01-28 Richard Biener <rguenther@suse.de>
1398 PR rtl-optimization/80960
1399 * dse.c (check_mem_read_rtx): Call get_addr on the
1400 offsetted address.
1402 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
1403 David Edelsohn <dje.gcc@gmail.com>
1405 PR target/98799
1406 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1407 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
1408 when -m32.
1409 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
1410 Delete.
1411 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
1412 wrapper call rs6000_expand_vector_set_var for cleanup. Call
1413 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
1414 directly.
1415 (rs6000_expand_vector_set_var): Delete.
1416 (rs6000_expand_vector_set_var_p9): Make static.
1417 (rs6000_expand_vector_set_var_p8): Make static.
1419 2021-01-28 Xing GUO <higuoxing@gmail.com>
1421 * common/config/riscv/riscv-common.c
1422 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
1423 when `p` extension exists.
1425 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
1427 PR rtl-optimization/97684
1428 * ira.c (ira): Call ira_set_pseudo_classes before
1429 update_equiv_regs when it is necessary.
1431 2021-01-27 Jakub Jelinek <jakub@redhat.com>
1433 PR target/98853
1434 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
1435 %w0, %w1 and %2 instead of %0, %1 and %2.
1437 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
1439 * config/rs6000/genfusion.pl: New script to generate
1440 define_insn_and_split patterns so combine can arrange fused
1441 instructions next to each other.
1442 * config/rs6000/fusion.md: New file, generated fused instruction
1443 patterns for combine.
1444 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
1445 (non_update_memory_operand): New predicate.
1446 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
1447 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
1448 POWERPC_MASKS.
1449 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
1450 prototype.
1451 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1452 Automatically set OPTION_MASK_P10_FUSION and
1453 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
1454 (rs600_opt_masks): Allow -mpower10-fusion
1455 in function attributes.
1456 (address_is_non_pfx_d_or_x): New function.
1457 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
1458 * config/rs6000/rs6000.md: Include fusion.md.
1459 * config/rs6000/rs6000.opt: Add -mpower10-fusion
1460 and -mpower10-fusion-ld-cmpi.
1461 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
1463 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1465 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
1466 builtin generator macros.
1467 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
1468 Rename to...
1469 (aarch64_<su>mlal<mode>): This.
1470 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
1471 instead of inline asm.
1472 (vmlal_s16): Likewise.
1473 (vmlal_s32): Likewise.
1474 (vmlal_u8): Likewise.
1475 (vmlal_u16): Likewise.
1476 (vmlal_u32): Likewise.
1478 2021-01-27 Richard Biener <rguenther@suse.de>
1480 PR tree-optimization/98854
1481 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
1482 PHIs from scalars when the number of CTORs matches the
1483 number of children.
1485 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1487 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
1488 generator macro.
1489 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
1490 Rename to...
1491 (aarch64_mls_n<mode>): This.
1492 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
1493 instead of asm.
1494 (vmls_n_s32): Likewise.
1495 (vmls_n_u16): Likewise.
1496 (vmls_n_u32): Likewise.
1497 (vmlsq_n_s16): Likewise.
1498 (vmlsq_n_s32): Likewise.
1499 (vmlsq_n_u16): Likewise.
1500 (vmlsq_n_u32): Likewise.
1502 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1504 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
1505 generator macro.
1506 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
1507 than asm.
1508 (vmls_s16): Likewise.
1509 (vmls_s32): Likewise.
1510 (vmls_u8): Likewise.
1511 (vmls_u16): Likewise.
1512 (vmls_u32): Likewise.
1513 (vmlsq_s8): Likewise.
1514 (vmlsq_s16): Likewise.
1515 (vmlsq_s32): Likewise.
1516 (vmlsq_u8): Likewise.
1517 (vmlsq_u16): Likewise.
1518 (vmlsq_u32): Likewise.
1520 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1522 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
1523 generator macro.
1524 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
1525 Rename to...
1526 (aarch64_mla_n<mode>): This.
1527 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
1528 instead of asm.
1529 (vmla_n_s32): Likewise.
1530 (vmla_n_u16): Likewise.
1531 (vmla_n_u32): Likewise.
1532 (vmlaq_n_s16): Likewise.
1533 (vmlaq_n_s32): Likewise.
1534 (vmlaq_n_u16): Likewise.
1535 (vmlaq_n_u32): Likewise.
1537 2021-01-27 liuhongt <hongtao.liu@intel.com>
1539 PR target/98833
1540 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
1541 (*sse2_eq<mode>3): Ditto.
1543 2021-01-27 Jakub Jelinek <jakub@redhat.com>
1545 * tree-pass.h (PROP_trees): Rename to ...
1546 (PROP_gimple): ... this.
1547 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
1548 * passes.c (execute_function_dump, execute_function_todo,
1549 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
1550 * varpool.c (ctor_for_folding): Likewise.
1552 2021-01-27 Jakub Jelinek <jakub@redhat.com>
1554 PR tree-optimization/97260
1555 * varpool.c: Include tree-pass.h.
1556 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
1557 non-TREE_SIDE_EFFECTS automatic variables.
1559 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
1561 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
1562 or -std=gnu++23.
1563 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
1564 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
1565 (gen_compile_unit_die): Recognise C++23.
1567 2021-01-26 Jakub Jelinek <jakub@redhat.com>
1569 PR bootstrap/98839
1570 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
1571 in comparison.
1573 2021-01-26 Jakub Jelinek <jakub@redhat.com>
1575 PR target/98681
1576 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
1577 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
1578 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
1580 2021-01-26 Richard Biener <rguenther@suse.de>
1582 * gimple-pretty-print.c (dump_binary_rhs): Handle
1583 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
1585 2021-01-26 Richard Biener <rguenther@suse.de>
1587 PR middle-end/98726
1588 * tree.h (vector_cst_int_elt): Remove.
1589 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
1590 make static.
1592 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
1594 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
1595 for V64DFmode min/max reductions.
1597 2021-01-26 Jakub Jelinek <jakub@redhat.com>
1599 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
1600 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
1601 two halves, one with x and the other with const0_rtx, ordered
1602 depending on endianity.
1604 2021-01-26 Alexandre Oliva <oliva@adacore.com>
1606 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
1607 temporaries not seen in binding block, and not about to be
1608 added as gimple variables.
1610 2021-01-25 Martin Sebor <msebor@redhat.com>
1612 PR c++/98646
1613 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
1615 2021-01-25 Martin Liska <mliska@suse.cz>
1617 * value-prof.c (get_nth_most_common_value): Use %s instead
1618 of %qs string.
1620 2021-01-25 Jakub Jelinek <jakub@redhat.com>
1622 PR debug/98811
1623 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
1624 readelf -wi is able to read the emitted .debug_info back.
1625 * configure: Regenerated.
1627 2021-01-25 Martin Liska <mliska@suse.cz>
1629 PR gcov-profile/98739
1630 * common.opt: Add missing sign symbol.
1631 * value-prof.c (get_nth_most_common_value): Restore handling
1632 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
1633 PROFILE_REPRODUCIBILITY_MULTITHREADED.
1635 2021-01-25 Richard Biener <rguenther@suse.de>
1637 PR middle-end/98807
1638 * tree.c (vector_element_bits): Always use precision of
1639 the element type for boolean vectors.
1641 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
1643 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
1644 (ENDFILE_SPEC): Evaluate qnolinkcmds.
1646 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
1648 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
1649 nostartfiles handling since this is already done by
1650 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
1651 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
1652 is already done by LINK_COMMAND_SPEC.
1653 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
1654 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
1655 evaluation.
1657 2021-01-25 Jakub Jelinek <jakub@redhat.com>
1659 PR testsuite/98771
1660 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
1661 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
1662 value rather than host size_t.
1663 (fold_const_call): Change type of s2 from size_t to
1664 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
1665 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
1666 instead of s2 as last argument.
1668 2021-01-25 Tamar Christina <tamar.christina@arm.com>
1670 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
1671 VCMLA_OP, VCMUL_OP): New.
1672 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
1673 * config/arm/neon.md (cmul<conj_op><mode>3): New.
1674 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
1675 UNSPEC_VCMUL_CONJ): New.
1676 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
1677 cml<fcmac1><conj_op><mode>4): New.
1679 2021-01-23 Jakub Jelinek <jakub@redhat.com>
1681 PR testsuite/97301
1682 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
1684 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
1686 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
1687 generator macro.
1688 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
1689 than asm.
1690 (vmla_s16): Likewise.
1691 (vmla_s32): Likewise.
1692 (vmla_u8): Likewise.
1693 (vmla_u16): Likewise.
1694 (vmla_u32): Likewise.
1695 (vmlaq_s8): Likewise.
1696 (vmlaq_s16): Likewise.
1697 (vmlaq_s32): Likewise.
1698 (vmlaq_u8): Likewise.
1699 (vmlaq_u16): Likewise.
1700 (vmlaq_u32): Likewise.
1702 2021-01-22 David Malcolm <dmalcolm@redhat.com>
1704 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
1705 directive.
1707 2021-01-22 Jakub Jelinek <jakub@redhat.com>
1709 PR debug/98796
1710 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
1711 filenames to emit, still emit the required 0 index directory and
1712 filename entries that match DW_AT_comp_dir and DW_AT_name of the
1713 compilation unit.
1715 2021-01-22 Marek Polacek <polacek@redhat.com>
1717 PR c++/98545
1718 * doc/invoke.texi: Update C++ ABI Version 15 description.
1720 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1722 PR tree-optimization/98766
1723 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
1724 comparing against type size with param_avoid_fma_max_bits.
1726 2021-01-22 Richard Biener <rguenther@suse.de>
1728 PR middle-end/98793
1729 * tree.c (vector_element_bits): Key single-bit bool vector on
1730 integer mode rather than not vector mode.
1732 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
1734 PR target/98093
1735 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1736 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
1737 platforms.
1738 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
1739 to call different path for P8 and P9.
1740 (rs6000_expand_vector_set_var_p9): New function.
1741 (rs6000_expand_vector_set_var_p8): New function.
1743 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
1745 PR target/79251
1746 PR target/98065
1747 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1748 Ajdust variable index vec_insert from address dereference to
1749 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
1750 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
1751 New declaration.
1752 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
1754 2021-01-22 Martin Liska <mliska@suse.cz>
1756 PR gcov-profile/98739
1757 * profile.c (compute_value_histograms): Drop time profile for
1758 -fprofile-reproducible=multithreaded.
1760 2021-01-22 Nathan Sidwell <nathan@acm.org>
1762 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
1763 existence here.
1765 2021-01-22 Richard Biener <rguenther@suse.de>
1767 PR middle-end/98773
1768 * tree-data-ref.c (initalize_matrix_A): Revert previous
1769 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
1771 2021-01-22 Jakub Jelinek <jakub@redhat.com>
1773 PR tree-optimization/90248
1774 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
1775 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
1776 simplifications.
1777 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
1778 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
1780 2021-01-22 Jakub Jelinek <jakub@redhat.com>
1782 PR tree-optimization/98255
1783 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
1784 extend index - low_bound from sizetype's precision rather than index
1785 precision.
1786 (get_addr_base_and_unit_offset_1): Likewise.
1787 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
1788 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
1790 2021-01-22 Richard Biener <rguenther@suse.de>
1792 PR tree-optimization/98786
1793 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
1794 adding new uses of abnormals. Verify we deal with a conditional
1795 conversion.
1797 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1799 PR target/98636
1800 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
1802 2021-01-22 liuhongt <hongtao.liu@intel.com>
1804 PR target/96891
1805 PR target/98348
1806 * config/i386/sse.md (VI_128_256): New mode iterator.
1807 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
1808 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
1809 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
1810 define_insn_and_split to lower avx512 vector comparison to avx
1811 version when dest is vector.
1812 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
1813 define_insn_and_split for negating the comparison result.
1814 * config/i386/predicates.md (float_vector_all_ones_operand):
1815 New predicate.
1816 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
1817 general NOT operator without UNSPEC_MASKOP.
1819 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
1821 PR rtl-optimization/98777
1822 * lra-int.h (lra_pmode_pseudo): New extern.
1823 * lra.c (lra_pmode_pseudo): New global.
1824 (lra): Set it up.
1825 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
1827 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
1829 * fwprop.c (fwprop_propagation::classify_result): Allow
1830 (subreg (mem)) simplifications.
1832 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1834 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
1835 Split into...
1836 (aarch64_sqdmlal<mode>): ... This...
1837 (aarch64_sqdmlsl<mode>): ... And this.
1838 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
1839 (aarch64_sqdmlal_lane<mode>): ... This...
1840 (aarch64_sqdmlsl_lane<mode>): ... And this.
1841 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
1842 (aarch64_sqdmlsl_laneq<mode>): ... This...
1843 (aarch64_sqdmlal_laneq<mode>): ... And this.
1844 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
1845 (aarch64_sqdmlsl_n<mode>): ... This...
1846 (aarch64_sqdmlal_n<mode>): ... And this.
1847 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
1848 (aarch64_sqdmlal2<mode>_internal): ... This...
1849 (aarch64_sqdmlsl2<mode>_internal): ... And this.
1851 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
1853 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
1855 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
1857 PR target/96372
1858 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
1860 2021-01-21 liuhongt <hongtao.liu@intel.com>
1862 PR rtl-optimization/98694
1863 * regcprop.c (copy_value): If SRC had been assigned a mode
1864 narrower than the copy, we can't link DEST into the chain even
1865 they have same hard_regno_nregs(i.e. HImode/SImode in i386
1866 backend).
1868 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1870 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
1871 Convert to define_insn_and_split. Split into simple move when moving
1872 bottom element.
1874 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
1876 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
1877 Adjust comment. Simplify code.
1879 2021-01-20 Jakub Jelinek <jakub@redhat.com>
1881 PR debug/98765
1882 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
1883 with DW_FORM_line_strp form.
1884 (prune_unused_types_update_strings): Don't add into debug_str_hash
1885 indirect strings with DW_FORM_line_strp form.
1886 (adjust_name_comp_dir): New function.
1887 (dwarf2out_finish): Call it on CU DIEs after resetting
1888 debug_line_str_hash.
1890 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
1892 PR rtl-optimization/98722
1893 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
1894 has no 3-op add insn to transform insns containing two pluses.
1896 2021-01-20 Richard Biener <rguenther@suse.de>
1898 * hwint.h (add_hwi): New function.
1899 (mul_hwi): Likewise.
1900 * tree-data-ref.c (initialize_matrix_A): Properly translate
1901 tree constants and avoid HOST_WIDE_INT_MIN.
1902 (lambda_matrix_row_add): Avoid undefined integer overflow
1903 and return true on such overflow.
1904 (lambda_matrix_right_hermite): Handle overflow from
1905 lambda_matrix_row_add gracefully. Simplify previous fix.
1906 (analyze_subscript_affine_affine): Likewise.
1908 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
1910 PR tree-optimization/96674
1911 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
1912 x >= y && y != XXX_MIN --> x > y - 1
1914 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
1916 PR tree-optimization/98535
1917 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
1918 If the high and low permutes are the same, remove the high permutes
1919 from the working set and only continue with the low ones.
1921 2021-01-20 Jakub Jelinek <jakub@redhat.com>
1923 PR tree-optimization/98721
1924 * builtins.c (access_ref::inform_access): Don't assume
1925 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
1926 object whenever allocfn is NULL, rather than only when DECL_P
1927 is true. Use %qE instead of %qD for that. Formatting fixes.
1929 2021-01-20 Richard Biener <rguenther@suse.de>
1931 PR tree-optimization/98758
1932 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
1933 (lambda_matrix_right_hermite): Avoid undefinedness with
1934 signed integer abs and multiplication.
1935 (analyze_subscript_affine_affine): Use lambda_int.
1937 2021-01-20 David Malcolm <dmalcolm@redhat.com>
1939 PR debug/98751
1940 * dwarf2out.c (output_line_info): Rename static variable
1941 "generation", moving it out of the function to...
1942 (output_line_info_generation): New.
1943 (init_sections_and_labels): Likewise, renaming the variable to...
1944 (init_sections_and_labels_generation): New.
1945 (dwarf2out_c_finalize): Reset the new variables.
1947 2021-01-19 Martin Sebor <msebor@redhat.com>
1949 PR middle-end/98664
1950 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
1951 all functions, even if they're not declared artificial or inline.
1952 * tree.c (tree_inlined_location): Use macro expansion location
1953 only if scope traversal fails to expose one.
1955 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
1957 PR rtl-optimization/92294
1958 * alias.c (compare_base_symbol_refs): Take an extra parameter
1959 and add the distance between two symbols to it. Enshrine in
1960 comments that -1 means "either 0 or 1, but we can't tell
1961 which at compile time".
1962 (memrefs_conflict_p): Update call accordingly.
1963 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
1964 into account.
1966 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1968 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
1969 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
1970 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
1971 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
1972 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
1973 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
1974 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
1975 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
1976 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
1977 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
1978 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
1979 sqmovun): Use NONE flags.
1981 2021-01-19 Richard Biener <rguenther@suse.de>
1983 PR ipa/98330
1984 * ipa-modref.c (analyze_stmt): Only record a summary for a
1985 direct call.
1987 2021-01-19 Richard Biener <rguenther@suse.de>
1989 PR middle-end/98638
1990 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
1992 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
1994 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
1995 built-in define __FIX_LEON3FT_TN0018.
1997 2021-01-19 Richard Biener <rguenther@suse.de>
1999 PR ipa/97673
2000 * tree-inline.c (tree_function_versioning): Set input_location
2001 to UNKNOWN_LOCATION throughout the function.
2003 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
2005 PR fortran/98476
2006 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
2008 2021-01-19 Martin Jambor <mjambor@suse.cz>
2010 PR ipa/98690
2011 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
2012 whether non-call exceptions allow removal of a statement.
2013 (isra_analyze_call): Pass the appropriate function to
2014 ssa_name_only_returned_p.
2016 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
2018 * config/riscv/arch-canonicalize (longext_sort): New function for
2019 sorting 'multi-letter'.
2020 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
2021 'alts'. The 'arch' may not be the first of 'alts'.
2022 (_expand_combination): Add underline for the 'ext' without '*'.
2023 This is because, a single-letter extension can always be treated well
2024 with a '_' prefix, but it cannot be separated out if it is appended
2025 to a multi-letter.
2027 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
2029 PR target/97847
2030 * ira.c (ira): Skip abnormal critical edge splitting.
2032 2021-01-18 Jakub Jelinek <jakub@redhat.com>
2034 PR tree-optimization/98727
2035 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
2036 second .MUL_OVERFLOW operand for signed multiplication with overflow
2037 checking if the second operand of multiplication is not constant.
2039 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
2041 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
2042 defaults to version 4.
2044 2021-01-18 David Malcolm <dmalcolm@redhat.com>
2046 * attribs.h (fndecl_dealloc_argno): New decl.
2047 * builtins.c (call_dealloc_argno): Split out second half of
2048 function into...
2049 (fndecl_dealloc_argno): New.
2050 * doc/extend.texi (Common Function Attributes): Document the
2051 interaction between the analyzer and the malloc attribute.
2052 * doc/invoke.texi (Static Analyzer Options): Likewise.
2054 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
2056 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
2057 dwarf_version to 4.
2058 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2060 2021-01-17 Martin Jambor <mjambor@suse.cz>
2062 PR ipa/98222
2063 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
2064 the clone tree.
2066 2021-01-17 Mark Wielaard <mark@klomp.org>
2068 * common.opt (gdwarf-): Init(5).
2069 * doc/invoke.texi (-gdwarf): Document default to 5.
2071 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
2073 * builtin-types.def
2074 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
2075 to...
2076 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
2077 ...this. Add extra argument.
2078 * gimplify.c (omp_default_clause): Ensure that event handle is
2079 firstprivate in a task region.
2080 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
2081 (gimplify_adjust_omp_clauses): Likewise.
2082 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
2083 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
2084 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
2085 if detach clause specified. Add detach argument when generating
2086 call to GOMP_task.
2087 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
2088 clause.
2089 (finish_taskreg_scan): Move field for variable containing the event
2090 handle to the front of the struct.
2091 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
2092 ordering.
2093 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
2094 OMP_CLAUSE_DETACH clause.
2095 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
2096 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
2097 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
2098 Fix ordering.
2099 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
2100 ordering.
2101 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
2103 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2105 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
2106 multilib directory names. Use MULTILIB_REQUIRED instead of
2107 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
2108 -mcustom-fpu-cfg=fph2 multilib.
2110 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2112 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
2113 (nios2_init_fpu_configs): Provide register values for new
2114 -mcustom-fpu-cfg=fph2 option variant.
2115 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
2116 variant.
2118 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2120 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
2121 custom instruction warnings.
2123 2021-01-16 Jakub Jelinek <jakub@redhat.com>
2125 PR tree-optimization/96669
2126 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
2128 2021-01-16 Jakub Jelinek <jakub@redhat.com>
2130 PR tree-optimization/96271
2131 * passes.def: Pass false argument to first two pass_cd_dce
2132 instances and true to last instance. Add comment that
2133 last instance rewrites no longer addressed locals.
2134 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
2135 initialize it.
2136 (pass_cd_dce::set_pass_param): New method.
2137 (pass_cd_dce::execute): Return TODO_update_address_taken from
2138 last cd_dce instance.
2140 2021-01-15 Carl Love <cel@us.ibm.com>
2142 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
2143 New defines.
2144 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
2145 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
2146 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
2147 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
2148 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
2149 Add builtin define.
2150 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
2151 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
2152 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
2153 New overloaded definitions.
2154 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
2155 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
2156 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
2157 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
2158 P10V_BUILTIN_MULHU_V4SI]: Add case
2159 statement for builtins.
2160 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
2161 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
2162 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
2163 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
2164 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
2165 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
2166 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
2167 Add define_insn, mode is VIlong.
2168 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
2169 Add builtin descriptions.
2171 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
2173 * final.c (final_start_function_1): Reset force_source_line.
2175 2021-01-15 Jakub Jelinek <jakub@redhat.com>
2177 PR tree-optimization/96669
2178 * match.pd (((1 << A) & 1) != 0 -> A == 0,
2179 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
2180 possibly different power of two constants and to right shift too.
2182 2021-01-15 Jakub Jelinek <jakub@redhat.com>
2184 PR tree-optimization/96681
2185 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
2186 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
2187 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
2188 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
2190 2021-01-15 Alexandre Oliva <oliva@adacore.com>
2192 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
2194 2021-01-15 Tamar Christina <tamar.christina@arm.com>
2196 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
2197 cmul<conj_op><mode>3): New.
2198 * config/aarch64/iterators.md (UNSPEC_FCMUL,
2199 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
2200 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
2201 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
2202 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
2203 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
2204 (rot_op): Renamed to conj_op.
2205 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
2206 cmul<conj_op><mode>3): New.
2207 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
2208 cmul<conj_op><mode>3): New.
2210 2021-01-15 David Malcolm <dmalcolm@redhat.com>
2212 PR bootstrap/98696
2213 * diagnostic.c
2214 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
2215 Escape the tempfile name when constructing the expected output.
2217 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2219 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
2220 Rename to...
2221 (aarch64_<su>mlsl_hi<mode>): ... This.
2222 (aarch64_<su>mlsl_hi<mode>): Define.
2223 (*aarch64_<su>mlsl<mode): Rename to...
2224 (aarch64_<su>mlsl<mode): ... This.
2225 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
2226 smlsl_hi, umlsl_hi): Define builtins.
2227 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
2228 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
2229 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
2230 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
2232 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
2234 * config/i386/i386-c.c (ix86_target_macros):
2235 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
2237 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
2239 PR target/88836
2240 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
2241 * Makefile.in (RTL_SSA_H): New variable.
2242 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
2243 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
2244 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
2245 pass_combine.
2246 * config/aarch64/aarch64-cc-fusion.cc: New file.
2248 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
2250 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
2251 calling cancel_changes for changes that no longer exist.
2253 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
2255 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
2256 (function_info::reg_defs): ...this.
2257 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
2258 (function_info::reg_defs): ...this.
2260 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2262 PR target/71233
2263 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
2265 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2267 Revert:
2268 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2270 PR target/71233
2271 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
2273 2021-01-15 Richard Biener <rguenther@suse.de>
2275 PR tree-optimization/96376
2276 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
2277 for VMAT_INVARIANT.
2279 2021-01-15 Martin Liska <mliska@suse.cz>
2281 * doc/install.texi: Document that some tests need pytest module.
2282 * doc/sourcebuild.texi: Likewise.
2284 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2286 PR target/71233
2287 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
2289 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2291 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
2292 (mve_vshrq_n_u<mode>_imm): Likewise.
2293 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
2294 * config/arm/vec-common.md: ... here.
2296 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2298 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
2299 vec-commond.md.
2300 * config/arm/neon.md (vashl<mode>3): Delete.
2301 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
2302 (vasl<mode>3): New expander.
2304 2021-01-15 Richard Biener <rguenther@suse.de>
2306 PR tree-optimization/98685
2307 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
2308 of vector extern defs.
2310 2021-01-14 David Malcolm <dmalcolm@redhat.com>
2312 PR jit/98586
2313 * diagnostic.c (diagnostic_kind_text): Break out this array
2314 from...
2315 (diagnostic_build_prefix): ...here.
2316 (fancy_abort): Detect when diagnostic_initialize has not yet been
2317 called and fall back to a minimal implementation of printing the
2318 ICE, rather than segfaulting in internal_error.
2320 2021-01-14 David Malcolm <dmalcolm@redhat.com>
2322 * diagnostic.c (diagnostic_initialize): Eliminate
2323 parseable_fixits_p in favor of initializing extra_output_kind from
2324 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
2325 (convert_column_unit): New function, split out from...
2326 (diagnostic_converted_column): ...this.
2327 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
2328 Use them to call convert_column_unit on the column values.
2329 (diagnostic_report_diagnostic): Eliminate conditional on
2330 parseable_fixits_p in favor of a switch statement on
2331 extra_output_kind, passing the appropriate values to the new
2332 params of print_parseable_fixits.
2333 (selftest::test_print_parseable_fixits_none): Update for new
2334 params of print_parseable_fixits.
2335 (selftest::test_print_parseable_fixits_insert): Likewise.
2336 (selftest::test_print_parseable_fixits_remove): Likewise.
2337 (selftest::test_print_parseable_fixits_replace): Likewise.
2338 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
2339 New.
2340 (selftest::diagnostic_c_tests): Call it.
2341 * diagnostic.h (enum diagnostics_extra_output_kind): New.
2342 (diagnostic_context::parseable_fixits_p): Delete field in favor
2343 of...
2344 (diagnostic_context::extra_output_kind): ...this new field.
2345 * doc/invoke.texi (Environment Variables): Add
2346 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
2347 * opts.c (common_handle_option): Update handling of
2348 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
2349 fields.
2351 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2353 * tree-vect-slp-patterns.c (class complex_operations_pattern,
2354 complex_operations_pattern::matches,
2355 complex_operations_pattern::recognize,
2356 complex_operations_pattern::build): New.
2357 (slp_patterns): Use it.
2359 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2361 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
2362 * optabs.def (cmls_optab, cmls_conj_optab): New.
2363 * doc/md.texi: Document them.
2364 * tree-vect-slp-patterns.c (class complex_fms_pattern,
2365 complex_fms_pattern::matches, complex_fms_pattern::recognize,
2366 complex_fms_pattern::build): New.
2368 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2370 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
2371 * optabs.def (cmla_optab, cmla_conj_optab): New.
2372 * doc/md.texi: Document them.
2373 * tree-vect-slp-patterns.c (vect_match_call_p,
2374 class complex_fma_pattern, vect_slp_reset_pattern,
2375 complex_fma_pattern::matches, complex_fma_pattern::recognize,
2376 complex_fma_pattern::build): New.
2378 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2380 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
2381 * optabs.def (cmul_optab, cmul_conj_optab): New.
2382 * doc/md.texi: Document them.
2383 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
2384 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
2385 vect_build_combine_node, class complex_mul_pattern,
2386 complex_mul_pattern::matches, complex_mul_pattern::recognize,
2387 complex_mul_pattern::build): New.
2389 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2391 * tree-vect-slp.c (optimize_load_redistribution_1): New.
2392 (optimize_load_redistribution, vect_is_slp_load_node): New.
2393 (vect_match_slp_patterns): Use it.
2395 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2397 * tree-vect-slp-patterns.c (complex_add_pattern::build):
2398 Elide nodes.
2400 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
2402 * config/gcn/mkoffload.c (main): Create an offload image only in
2403 64-bit configurations.
2405 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
2407 PR target/98667
2408 * config/i386/i386-options.c (ix86_option_override_internal):
2409 Issue an error for -fcf-protection with CF_BRANCH when compiling
2410 for 32-bit non-TARGET_CMOV targets.
2412 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
2414 PR target/98671
2415 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
2416 Remove declaration and initialization of shadow variable "ret".
2417 (ix86_option_override_internal): Remove delcaration of
2418 shadow variable "i". Redeclare shadowed variable to unsigned.
2419 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
2420 * config/i386/i386-builtins.c (get_builtin_code_for_version):
2421 Update for redeclaration.
2422 * config/i386/i386.h (pta_size): Ditto.
2424 2021-01-14 Richard Biener <rguenther@suse.de>
2426 PR tree-optimization/98674
2427 * tree-data-ref.c (base_supports_access_fn_components_p): New.
2428 (initialize_data_dependence_relation): For two bases without
2429 possible access fns resort to type size equality when determining
2430 shape compatibility.
2432 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
2434 PR target/66791
2435 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
2436 <=, >= operators in vcle and vcge intrinsics respectively.
2437 * config/arm/arm_neon_builtins.def: Remove entry for
2438 vcge and vcgeu.
2440 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
2442 PR target/98671
2443 * config/i386/i386-options.c (ix86_function_specific_save):
2444 Remove redundant assignment to opts->x_ix86_branch_cost.
2445 * config/i386/i386.c (ix86_prefetch_sse):
2446 Rename from x86_prefetch_sse. Update all uses.
2447 * config/i386/i386.h: Update for rename.
2448 * config/i386/i386-options.h: Ditto.
2450 2021-01-14 Jakub Jelinek <jakub@redhat.com>
2452 PR target/98670
2453 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
2454 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
2455 Use Bm instead of m for non-avx. Add isa attribute.
2457 2021-01-14 Jakub Jelinek <jakub@redhat.com>
2459 PR tree-optimization/96688
2460 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
2461 ~X can be simplified.
2463 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
2465 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
2466 IFN_LOAD_LANES results.
2468 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2470 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
2471 Define.
2472 (aarch64_xtn<mode>): Likewise.
2473 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
2474 Define
2475 builtins.
2476 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
2477 builtin.
2478 (vmovl_s16): Likewise.
2479 (vmovl_s32): Likewise.
2480 (vmovl_u8): Likewise.
2481 (vmovl_u16): Likewise.
2482 (vmovl_u32): Likewise.
2483 (vmovn_s16): Likewise.
2484 (vmovn_s32): Likewise.
2485 (vmovn_s64): Likewise.
2486 (vmovn_u16): Likewise.
2487 (vmovn_u32): Likewise.
2488 (vmovn_u64): Likewise.
2490 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2492 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
2493 Define.
2494 (aarch64_<su>qxtn2<mode>_be): Likewise.
2495 (aarch64_<su>qxtn2<mode>): Likewise.
2496 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
2497 Define builtins.
2498 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
2499 (su): Handle ss_truncate and us_truncate.
2500 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
2501 builtin.
2502 (vqmovn_high_s32): Likewise.
2503 (vqmovn_high_s64): Likewise.
2504 (vqmovn_high_u16): Likewise.
2505 (vqmovn_high_u32): Likewise.
2506 (vqmovn_high_u64): Likewise.
2508 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2510 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
2511 Define.
2512 (aarch64_xtn2<mode>_be): Likewise.
2513 (aarch64_xtn2<mode>): Likewise.
2514 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
2515 builtins.
2516 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
2517 builtins.
2518 (vmovn_high_s32): Likewise.
2519 (vmovn_high_s64): Likewise.
2520 (vmovn_high_u16): Likewise.
2521 (vmovn_high_u32): Likewise.
2522 (vmovn_high_u64): Likewise.
2524 2021-01-13 Stafford Horne <shorne@gmail.com>
2526 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
2528 2021-01-13 Stafford Horne <shorne@gmail.com>
2530 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
2532 2021-01-13 Stafford Horne <shorne@gmail.com>
2534 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
2535 define for __or1k_hard_float__.
2537 2021-01-13 Stafford Horne <shorne@gmail.com>
2539 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
2540 (PROFILE_HOOK): Define to call _mcount.
2541 (FUNCTION_PROFILER): Change from abort to no-op.
2543 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2545 PR tree-optimization/96691
2546 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
2547 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
2548 (~D ^ C) or (D ^ C) can be simplified.
2550 2021-01-13 Richard Biener <rguenther@suse.de>
2552 PR tree-optimization/92645
2553 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
2554 until after vector lowering.
2556 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2558 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
2559 to SVE_I.
2560 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
2561 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
2563 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2565 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
2566 to SVE_I.
2567 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
2568 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
2570 2021-01-13 Richard Biener <rguenther@suse.de>
2572 PR tree-optimization/92645
2573 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
2574 BIT_FIELD_REF argument.
2575 (vect_build_slp_tree_2): Record the desired vector type
2576 on the external vector def.
2577 (vectorizable_slp_permutation): Handle required punning
2578 of existing vector defs.
2580 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2582 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
2584 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2586 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
2588 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
2590 * config.gcc [$target == *-*-gnu*]: Enable
2591 'default_gnu_indirect_function'.
2593 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2595 PR target/95905
2596 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
2597 registers before calling targetm.vectorize.vec_perm_const, only after
2598 that.
2599 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
2600 two argument permutation when one operand is zero vector and only
2601 after that force operands into registers.
2602 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
2603 define_insn_and_split pattern.
2604 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
2605 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
2606 (*avx2_zero_extendv8hiv8si2_1): Likewise.
2607 (*avx512f_zero_extendv8siv8di2_1): Likewise.
2608 (*avx2_zero_extendv4siv4di2_1): Likewise.
2609 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
2610 into registers.
2611 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
2612 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
2613 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
2614 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
2615 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
2616 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
2618 2021-01-13 Martin Liska <mliska@suse.cz>
2620 PR tree-optimization/98455
2621 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
2622 Record also virtual PHIs.
2623 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
2624 conditionally.
2626 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
2628 * doc/invoke.texi (C++ Modules): Fix typos.
2630 2021-01-13 Richard Biener <rguenther@suse.de>
2632 PR tree-optimization/98640
2633 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
2634 handle plus or minus from a truncated operand to be
2635 sign-extended.
2637 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2639 PR target/96938
2640 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
2641 define_insn_and_split patterns.
2642 (splitter after *btr<mode>_2): New splitter.
2644 2021-01-13 Martin Liska <mliska@suse.cz>
2646 PR ipa/98652
2647 * cgraphunit.c (analyze_functions): Remove dead code.
2649 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
2651 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
2652 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
2653 (a64fx_regmove_cost, a64fx_vector_cost): New.
2654 (a64fx_tunings): Use the new added cost tables.
2656 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2658 PR target/95905
2659 * config/i386/predicates.md (pmovzx_parallel): New predicate.
2660 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
2661 define_insn_and_split pattern.
2662 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
2663 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
2665 2021-01-13 Julian Brown <julian@codesourcery.com>
2667 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
2668 to fix v0 register.
2670 2021-01-13 Julian Brown <julian@codesourcery.com>
2672 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
2673 on entry to a BB.
2675 2021-01-13 Julian Brown <julian@codesourcery.com>
2677 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
2678 for reciprocal-approximation instructions.
2679 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
2680 refinement and division result.
2681 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
2683 2021-01-13 Julian Brown <julian@codesourcery.com>
2685 * config/gcn/gcn-valu.md (subdf): Rename to...
2686 (subdf3): This.
2688 2021-01-12 Martin Liska <mliska@suse.cz>
2690 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
2692 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
2694 * function-abi.h: Fix typo.
2696 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
2698 PR target/97875
2699 PR target/97875
2700 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
2701 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
2702 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
2703 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
2704 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
2705 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
2706 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
2707 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
2708 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
2709 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
2710 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
2711 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
2712 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
2713 (ARM_HAVE_V2DI_LDST): Likewise.
2714 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
2715 (*movmisalign<mode>_mve_load): New pattern.
2716 * config/arm/neon.md (movmisalign<mode>): Move to ...
2717 * config/arm/vec-common.md: ... here.
2719 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
2721 PR target/97969
2722 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
2723 of pattern 'plus (plus (hard reg, const), pseudo)'.
2725 2021-01-12 Richard Biener <rguenther@suse.de>
2727 PR tree-optimization/98550
2728 * tree-vect-slp.c (vect_record_max_nunits): Check whether
2729 the group size is a multiple of the vector element count.
2730 (vect_build_slp_tree_1): When we need to fail because
2731 the vector type choosen causes unrolling do so lazily
2732 without affecting matches only at the end to guide group splitting.
2734 2021-01-12 Martin Liska <mliska@suse.cz>
2736 PR c++/97284
2737 * optc-save-gen.awk: Compare also n_target_save vars with
2738 strcmp.
2740 2021-01-12 Martin Liska <mliska@suse.cz>
2742 * gcov.c (source_info::debug): New.
2743 (print_usage): Add --debug (-D) option.
2744 (process_args): Likewise.
2745 (generate_results): Call src->debug after
2746 accumulate_line_counts.
2747 (read_graph_file): Properly assign id for EXIT_BLOCK.
2748 * profile.c (branch_prob): Dump function body before it is
2749 instrumented.
2751 2021-01-12 Jakub Jelinek <jakub@redhat.com>
2753 PR tree-optimization/98629
2754 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
2755 unless returning non-zero.
2757 2021-01-12 Jakub Jelinek <jakub@redhat.com>
2759 PR tree-optimization/95731
2760 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
2761 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
2762 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
2763 only after optimize_range_tests_var_bound.
2765 2021-01-12 Jakub Jelinek <jakub@redhat.com>
2767 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
2768 * configure: Regenerated.
2770 2021-01-12 liuhongt <hongtao.liu@intel.com>
2772 PR target/98612
2773 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
2774 Deleted.
2775 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
2776 dead code.
2778 2021-01-12 Alexandre Oliva <oliva@adacore.com>
2780 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
2781 declare.
2782 (auto_end_imm_use_stmt_traverse): New struct.
2783 (FOR_EACH_IMM_USE_STMT): Use it.
2784 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
2785 along with uses...
2786 * gimple-ssa-strength-reduction.c: ... here, ...
2787 * graphite-scop-detection.c: ... here, ...
2788 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
2789 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
2790 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
2791 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
2792 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
2793 * tree-vect-slp.c: ... and here, ...
2794 * doc/tree-ssa.texi: ... and the example here.
2796 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2798 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
2799 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
2800 (*sdiv_pow2<mode>3): New pattern.
2801 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
2802 Wrap the ASRD in an UNSPEC_PRED_X.
2803 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
2804 predicate with a constant PTRUE, if it isn't already.
2805 (*cond_<sve_int_op><mode>_z): Replace with...
2806 (*cond_<sve_int_op><mode>_any): ...this new pattern.
2808 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2810 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
2811 SVE_FULL_I to SVE_I.
2812 (*cond_bic<mode>_any): Likewise.
2814 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2816 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
2817 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
2818 to SVE_I.
2820 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2822 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
2823 SVE_FULL_I to SVE_I.
2824 (*aarch64_cond_<su>abd<mode>_2): Likewise.
2825 (*aarch64_cond_<su>abd<mode>_any): Likewise.
2826 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
2827 for the max and min but not for the minus.
2828 (*aarch64_cond_<su>abd<mode>_3): New pattern.
2830 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2832 * config/aarch64/iterators.md (SVE_24I): New iterator.
2833 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
2834 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
2836 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2838 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
2839 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
2840 to SVE_I.
2841 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
2842 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
2843 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
2844 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
2846 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2848 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
2849 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
2850 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
2851 to SVE_I.
2853 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2855 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
2856 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
2857 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
2859 2021-01-11 Martin Liska <mliska@suse.cz>
2861 PR jit/98615
2862 * symtab-clones.h (clone_info::release): Release
2863 symtab::m_clones with ggc_delete as it's a GGC memory.
2865 2021-01-11 Matthias Klose <doko@ubuntu.com>
2867 * Makefile.in (LINK_PROGRESS): Show the link target.
2869 2021-01-11 Richard Biener <rguenther@suse.de>
2871 PR tree-optimization/91403
2872 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
2873 single-element interleaving group size at 4096 elements.
2875 2021-01-11 Richard Biener <rguenther@suse.de>
2877 PR tree-optimization/98526
2878 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
2879 of the actual reduction op for the regular case.
2880 (vectorizable_reduction): Cost the stmts
2881 vect_transform_reduction produces here.
2883 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
2885 * tree-ssa-forwprop.c (simplify_vector_constructor): For
2886 big-endian, use UNPACK[_FLOAT]_HI.
2888 2021-01-11 Tamar Christina <tamar.christina@arm.com>
2890 * tree-vect-slp-patterns.c (class complex_pattern,
2891 class complex_add_pattern): Add parameters to matches.
2892 (complex_add_pattern::build): Free memory.
2893 (complex_add_pattern::matches): Move validation end of match.
2894 (complex_add_pattern::recognize): Likewise.
2896 2021-01-11 Tamar Christina <tamar.christina@arm.com>
2898 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
2900 2021-01-11 Tamar Christina <tamar.christina@arm.com>
2902 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
2904 2021-01-11 Jakub Jelinek <jakub@redhat.com>
2906 PR tree-optimization/95867
2907 * tree-ssa-math-opts.h: New header.
2908 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
2909 (powi_as_mults): No longer static. Use build_one_cst instead of
2910 build_real. Formatting fix.
2911 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
2912 (attempt_builtin_powi): Handle multiplication reassociation without
2913 powi_fndecl using powi_as_mults.
2914 (reassociate_bb): For integral types don't require
2915 -funsafe-math-optimizations to call attempt_builtin_powi.
2917 2021-01-11 Jakub Jelinek <jakub@redhat.com>
2919 PR tree-optimization/95852
2920 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
2921 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
2922 allow in the bb any of the stmts in that vector, div_stmt and
2923 up to 3 cast stmts.
2924 (arith_cast_equal_p): New function.
2925 (arith_overflow_check_p): Add cast_stmt argument, handle signed
2926 multiply overflow checks.
2927 (match_arith_overflow): Adjust caller. Handle signed multiply
2928 overflow checks.
2930 2021-01-11 Jakub Jelinek <jakub@redhat.com>
2932 PR tree-optimization/95852
2933 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
2934 (uaddsub_overflow_check_p): Renamed to ...
2935 (arith_overflow_check_p): ... this. Handle also multiplication
2936 with overflow check.
2937 (match_uaddsub_overflow): Renamed to ...
2938 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
2939 also multiplication with overflow check. Adjust function comment.
2940 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
2941 match_arith_overflow also for MULT_EXPR.
2943 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2945 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
2946 __builtin_convertvector.
2947 (vmovl_s16): Likewise.
2948 (vmovl_s32): Likewise.
2949 (vmovl_u8): Likewise.
2950 (vmovl_u16): Likewise.
2951 (vmovl_u32): Likewise.
2952 (vmovn_s16): Likewise.
2953 (vmovn_s32): Likewise.
2954 (vmovn_s64): Likewise.
2955 (vmovn_u16): Likewise.
2956 (vmovn_u32): Likewise.
2957 (vmovn_u64): Likewise.
2959 2021-01-11 Martin Liska <mliska@suse.cz>
2961 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
2962 (if_chain::is_beneficial): Delete clusters
2963 (find_conditions): Make second argument of conditions_in_bbs a
2964 pointer so that we control over it's lifetime.
2965 (pass_if_to_switch::execute): Delete them.
2967 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
2969 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
2970 it isn't set.
2972 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2974 * config/vax/vax.md (cc): Remove mode attribute.
2975 (subst_<cc>, subst_f<cc>): Rename to...
2976 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
2977 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
2978 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
2979 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
2981 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2983 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
2984 `const_double_zero'.
2986 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2988 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
2989 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
2990 operands.
2992 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2994 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
2995 rtx.
2996 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
2997 with `const_double_zero'.
2998 * doc/rtl.texi (Constant Expression Types): Document it.
3000 2021-01-09 Jakub Jelinek <jakub@redhat.com>
3002 PR c++/98556
3003 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
3004 POINTER_DIFF_EXPR to be any integral type.
3006 2021-01-09 Jakub Jelinek <jakub@redhat.com>
3008 PR rtl-optimization/98603
3009 * function.c (instantiate_virtual_regs_in_insn): For asm goto
3010 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
3011 if any, set ASM_OPERANDS mode to VOIDmode and change
3012 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
3014 2021-01-09 Alexandre Oliva <oliva@gnu.org>
3016 PR debug/97714
3017 * final.c (notice_source_line): Narrow down the condition to
3018 skip a line-0 marker.
3020 2021-01-08 Sergei Trofimovich <siarheit@google.com>
3022 * ipa-modref.c (merge_call_side_effects): Fix
3023 linebreak split by reordering two print calls.
3025 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
3027 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
3028 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
3029 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
3030 consistency, fix constraint.
3032 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
3034 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
3035 callables instead of mask values.
3036 (struct target_flag_set_p): New predicate.
3037 (s390_cpu_cpp_builtins_internal): Define or undefine
3038 __LONG_DOUBLE_VX__ macro.
3040 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
3042 PR target/98482
3043 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
3044 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
3045 targets.
3047 2021-01-08 Richard Biener <rguenther@suse.de>
3049 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
3051 2021-01-08 Richard Biener <rguenther@suse.de>
3053 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
3054 (vect_build_slp_tree): On cache hit release the matched
3055 scalar stmts vector.
3056 * tree-vect-stmts.c (vectorizable_store): Properly free
3057 vec_oprnds before possibly gathering them again.
3059 2021-01-08 Richard Biener <rguenther@suse.de>
3061 PR tree-optimization/98544
3062 * tree-vect-slp.c (vect_optimize_slp): Always materialize
3063 permutes at a permute node.
3065 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
3067 PR target/98482
3068 * config/i386/i386.c (x86_function_profiler): Use R10 to call
3069 mcount in large model. Sorry for large model with PIC.
3071 2021-01-08 Jakub Jelinek <jakub@redhat.com>
3073 PR target/98585
3074 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
3075 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
3076 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
3077 TargetSave and initialize for variables with enum types.
3078 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
3079 mstack-protector-guard-symbol=): Add Save.
3080 * config/i386/i386-options.c (ix86_function_specific_save,
3081 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
3082 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
3083 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
3084 x_ix86_veclibabi_type.
3086 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
3088 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
3089 SVE_FULL_I to SVE_I.
3090 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
3092 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
3094 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
3095 SVE_FULL_I to SVE_I.
3096 (*cond_uxt<mode>_any): Likewise.
3098 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3100 * config/aarch64/iterators.md (Vwhalf): New iterator.
3101 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
3102 Rename to...
3103 (aarch64_<sur>adalp<mode>): ... This. Make more
3104 builtin-friendly.
3105 (<sur>sadv16qi): Adjust callsite of the above.
3106 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
3107 builtins.
3108 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
3109 builtins.
3110 (vpadal_s16): Likewise.
3111 (vpadal_u8): Likewise.
3112 (vpadal_u16): Likewise.
3113 (vpadalq_s8): Likewise.
3114 (vpadalq_s16): Likewise.
3115 (vpadalq_s32): Likewise.
3116 (vpadalq_u8): Likewise.
3117 (vpadalq_u16): Likewise.
3118 (vpadalq_u32): Likewise.
3120 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3122 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
3123 Rename to...
3124 (aarch64_<su>abd<mode>): ... This.
3125 (<sur>sadv16qi): Adjust callsite of the above.
3126 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
3127 builtins.
3128 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
3129 builtin.
3130 (vabd_s16): Likewise.
3131 (vabd_s32): Likewise.
3132 (vabd_u8): Likewise.
3133 (vabd_u16): Likewise.
3134 (vabd_u32): Likewise.
3135 (vabdq_s8): Likewise.
3136 (vabdq_s16): Likewise.
3137 (vabdq_s32): Likewise.
3138 (vabdq_u8): Likewise.
3139 (vabdq_u16): Likewise.
3140 (vabdq_u32): Likewise.
3142 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3144 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
3145 builtins.
3146 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
3147 (vaba_s16): Likewise.
3148 (vaba_s32): Likewise.
3149 (vaba_u8): Likewise.
3150 (vaba_u16): Likewise.
3151 (vaba_u32): Likewise.
3152 (vabaq_s8): Likewise.
3153 (vabaq_s16): Likewise.
3154 (vabaq_s32): Likewise.
3155 (vabaq_u8): Likewise.
3156 (vabaq_u16): Likewise.
3157 (vabaq_u32): Likewise.
3159 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3161 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
3162 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
3163 Change RTL pattern to match.
3165 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
3167 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
3168 * config/riscv/riscv-c.c (riscv-subset.h): New.
3169 (INCLUDE_STRING): Define.
3170 (riscv_cpu_cpp_builtins): Add new style architecture extension
3171 test macros.
3172 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
3173 (riscv_subset_list::end): New.
3174 (riscv_current_subset_list): New.
3176 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
3178 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
3179 Move to riscv-subset.h.
3180 (struct riscv_subset_t): Ditto.
3181 (class riscv_subset_list): Ditto.
3182 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
3183 from riscv-common.c.
3184 (struct riscv_subset_t): Ditto.
3185 (class riscv_subset_list): Ditto.
3186 * config/riscv/t-riscv ($(common_out_file)): Add file
3187 dependency.
3189 2021-01-07 Jakub Jelinek <jakub@redhat.com>
3191 PR target/98567
3192 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
3193 New define_insn patterns.
3195 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
3197 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
3198 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
3199 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
3201 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
3203 PR tree-optimization/98560
3204 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
3205 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
3206 argument 1.
3207 (vec_cond_direct): Likewise argument 2.
3208 (vec_condu_direct, vec_condeq_direct): Delete.
3209 (expand_vect_cond_optab_fn): Rename to...
3210 (expand_vec_cond_optab_fn): ...this, replacing old macro.
3211 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
3212 (expand_vect_cond_mask_optab_fn): Rename to...
3213 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
3214 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
3215 convert optab.
3216 (direct_vec_cond_optab_supported_p): Likewise.
3217 (direct_vec_condu_optab_supported_p): Delete.
3218 (direct_vec_condeq_optab_supported_p): Delete.
3219 * gimple-isel.cc: Include internal-fn.h.
3220 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
3221 before using it.
3223 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
3225 PR tree-optimization/98560
3226 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
3227 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
3229 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
3231 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
3232 rotate_insn and optab code attributes.
3233 Update all uses to merged code attribute.
3234 * config/i386/sse.md: Update all uses to merged code attribute.
3235 * config/i386/mmx.md: Update all uses to merged code attribute.
3237 2021-01-07 Jakub Jelinek <jakub@redhat.com>
3239 PR tree-optimization/98568
3240 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
3241 (bswap_replace): Use it.
3243 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
3245 PR rtl-optimization/97978
3246 * lra-int.h (lra_hard_reg_split_p): New external.
3247 * lra.c (lra_hard_reg_split_p): New global.
3248 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
3249 * lra-assigns.c (lra_assign): Don't check allocation correctness
3250 after hard reg splitting.
3252 2021-01-06 Martin Sebor <msebor@redhat.com>
3254 PR c++/98305
3255 * builtins.c (new_delete_mismatch_p): New overload.
3256 (new_delete_mismatch_p (tree, tree)): Call it.
3258 2021-01-06 Alexandre Oliva <oliva@adacore.com>
3260 * Makefile.in (T_GLIMITS_H): New.
3261 (stmp-int-hdrs): Depend on it, use it.
3262 * config/t-vxworks (T_GLIMITS_H): Override it.
3263 (vxw-glimits.h): New.
3265 2021-01-06 Richard Biener <rguenther@suse.de>
3267 PR tree-optimization/98513
3268 * value-range.cc (intersect_ranges): Compare the upper bounds
3269 for the expected relation.
3271 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3273 Revert:
3274 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
3276 * doc/standards.texi (HSAIL): Remove section.
3278 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
3280 * configure: Re-generate.
3282 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3284 * doc/invoke.texi (-std=c++20): Adjust for the publication of
3285 ISO 14882:2020 standard.
3286 * doc/standards.texi: Likewise.
3288 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3290 PR tree-optimization/94802
3291 * expr.h (maybe_optimize_sub_cmp_0): Declare.
3292 * expr.c: Include tree-pretty-print.h and flags.h.
3293 (maybe_optimize_sub_cmp_0): New function.
3294 (do_store_flag): Use it.
3295 * cfgexpand.c (expand_gimple_cond): Likewise.
3297 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3299 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
3300 * rtlanal.c (simple_regno_set): Tweak description to clarify the
3301 RMW condition.
3303 2021-01-05 Richard Biener <rguenther@suse.de>
3305 PR tree-optimization/98516
3306 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
3307 lanes when materializing on a VEC_PERM node.
3308 (vectorizable_slp_permutation): Dump the permute properly.
3310 2021-01-05 Richard Biener <rguenther@suse.de>
3312 * tree-vect-slp.c (vect_slp_region): Move debug counter
3313 to cover individual subgraphs.
3315 2021-01-05 Richard Biener <rguenther@suse.de>
3317 PR tree-optimization/98428
3318 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
3319 vector lane extracts for loop vectorization.
3321 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3323 PR tree-optimization/98514
3324 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
3325 int64_t *.
3326 (operand_rank): Change type from hash_map<tree, long> to
3327 hash_map<tree, int64_t>.
3328 (phi_rank): Change return type from long to int64_t.
3329 (loop_carried_phi): Change block_rank variable type from long to
3330 int64_t.
3331 (propagate_rank): Change return type, rank parameter type and
3332 op_rank variable type from long to int64_t.
3333 (find_operand_rank): Change return type from long to int64_t
3334 and change slot variable type from long * to int64_t *.
3335 (insert_operand_rank): Change rank parameter type from long to
3336 int64_t.
3337 (get_rank): Change return type and rank variable type from long to
3338 int64_t. Use PRId64 instead of ld to print the rank.
3339 (init_reassoc): Change rank variable type from long to int64_t
3340 and adjust correspondingly bb_rank and operand_rank initialization.
3342 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3344 PR tree-optimization/96928
3345 * tree-ssa-phiopt.c (xor_replacement): New function.
3346 (tree_ssa_phiopt_worker): Call it.
3348 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3350 PR tree-optimization/96930
3351 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
3352 from narrower value which has the same type as 1 << B, perform
3353 the right shift on the narrower value followed by extension.
3355 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3357 PR tree-optimization/96239
3358 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
3359 function.
3360 (get_status_for_store_merging): Don't return BB_INVALID for blocks
3361 with potential bswap optimizable CONSTRUCTORs.
3362 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
3363 if possible.
3365 2021-01-05 Richard Biener <rguenther@suse.de>
3367 PR tree-optimization/98381
3368 * tree.c (vector_element_bits): Properly compute bool vector
3369 element size.
3370 * tree-vect-loop.c (vectorizable_live_operation): Properly
3371 compute the last lane bit offset.
3373 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
3375 PR target/98522
3376 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
3377 Clear the top 64 bytes of the input XMM register.
3378 (sse_cvttps2pi): Ditto.
3380 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
3382 PR target/98521
3383 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
3385 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
3387 PR target/98495
3388 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
3389 short first.
3391 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
3393 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
3394 (umaddsidi4_split): Likewise.
3396 2021-01-05 liuhongt <hongtao.liu@intel.com>
3398 PR target/98461
3399 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
3400 define_insn_and_split for zero_extend of subreg HI of pmovskb
3401 result.
3402 (*sse2_pmovskb_zexthisi): Add new combine splitters for
3403 zero_extend of not of subreg HI of pmovskb result.
3405 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3407 PR target/97269
3408 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
3409 nested in CONSTs.
3410 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
3411 convert_memory_address to convert symbolic immediates to ptr_mode
3412 before forcing them to memory.
3414 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3416 PR rtl-optimization/97144
3417 * recog.c (constrain_operands): Initialize matching_operand
3418 for each alternative, rather than only doing it once.
3420 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3422 PR rtl-optimization/98403
3423 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
3424 why we don't remove call clobbers.
3425 (function_info::apply_changes_to_insn): Don't attempt to add
3426 call clobbers here.
3428 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3430 PR tree-optimization/98371
3431 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
3432 (vect_analyze_loop): If an epilogue loop appears to be cheaper
3433 than the main loop, re-analyze it as a main loop before adopting
3434 it as a main loop.
3436 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3438 PR c++/98316
3439 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
3440 * aclocal.m4, configure: Regenerate.
3441 * Makefile.in (NETLIBS): Define.
3442 (BACKEND): Remove $(CODYLIB).
3444 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3446 PR rtl-optimization/98334
3447 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
3448 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
3450 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
3452 * tree-inline.c (expand_call_inline): Restore input_location.
3453 Return result from recursive call.
3455 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
3457 PR tree-optimization/95401
3458 * config/aarch64/aarch64-sve-builtins.cc
3459 (gimple_folder::load_store_cookie): Use bits rather than bytes
3460 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
3461 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
3462 * tree-vect-stmts.c (vectorizable_store): Likewise.
3463 (vectorizable_load): Likewise.
3465 2021-01-04 Richard Biener <rguenther@suse.de>
3467 PR tree-optimization/98308
3468 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
3469 SLP vectype.
3471 2021-01-04 Jakub Jelinek <jakub@redhat.com>
3473 PR tree-optimization/95771
3474 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
3475 with precision smaller than int's precision and types with precision
3476 twice as large as long long. Formatting fixes.
3478 2021-01-04 Richard Biener <rguenther@suse.de>
3480 PR tree-optimization/98464
3481 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
3482 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
3483 (process_bb): Adjust.
3485 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
3487 PR other/98437
3488 * doc/invoke.texi (-fsanitize=address): Fix wording describing
3489 clash with -fsanitize=hwaddress.
3491 2021-01-04 Richard Biener <rguenther@suse.de>
3493 PR tree-optimization/98282
3494 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
3495 invariants as VN_NARY.
3497 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
3499 PR target/89057
3500 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
3501 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
3502 to handle zero operands.
3504 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
3506 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
3507 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
3508 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
3509 [-32, 31].
3511 2021-01-04 Richard Biener <rguenther@suse.de>
3513 PR tree-optimization/98393
3514 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
3515 when hitting the limit.
3517 2021-01-04 Richard Biener <rguenther@suse.de>
3519 PR tree-optimization/98291
3520 * tree-vect-loop.c (vectorizable_reduction): Bypass
3521 associativity check for SLP reductions with VF 1.
3523 2021-01-04 Jakub Jelinek <jakub@redhat.com>
3525 PR tree-optimization/96782
3526 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
3528 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
3530 * collect-utils.c (collect_execute): Check dumppfx.
3531 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
3532 to collect_execute.
3533 (do_link): Add new parameter atsuffix.
3534 (main): Handle -dumpdir option. Skip one argument for
3535 -o, -isystem and -B options.
3536 * gcc.c (make_at_file): New helper function.
3537 (close_at_file): Use it.
3539 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3541 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
3542 Amend handling for LD64_VERSION fallback defaults.
3544 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3546 * config.gcc: Compute default version information
3547 from the configured target. Likewise defaults for
3548 ld64.
3549 * config/darwin10.h: Removed.
3550 * config/darwin12.h: Removed.
3551 * config/darwin9.h: Removed.
3552 * config/rs6000/darwin8.h: Removed.
3554 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3556 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
3558 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3560 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
3561 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
3563 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3565 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
3566 here...
3567 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
3569 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3571 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
3572 for the Darwin10 unwinder stub from here ...
3573 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
3575 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3577 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
3578 (ASM_DEBUG_SPEC):Only define if the assembler supports
3579 stabs.
3580 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
3581 (DARWIN_PREFER_DWARF): Define.
3582 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
3583 (DARWIN_PREFER_DWARF): Likewise
3584 (DSYMUTIL_SPEC): Likewise.
3585 (COLLECT_RUN_DSYMUTIL): Likewise.
3586 (ASM_DEBUG_SPEC): Likewise.
3587 (ASM_DEBUG_OPTION_SPEC): Likewise.
3589 2021-01-02 Jan Hubicka <jh@suse.cz>
3591 * cfg.c (free_block): ggc_free bb.
3593 2021-01-01 Jakub Jelinek <jakub@redhat.com>
3595 * gcc.c (process_command): Update copyright notice dates.
3596 * gcov-dump.c (print_version): Ditto.
3597 * gcov.c (print_version): Ditto.
3598 * gcov-tool.c (print_version): Ditto.
3599 * gengtype.c (create_file): Ditto.
3600 * doc/cpp.texi: Bump @copying's copyright year.
3601 * doc/cppinternals.texi: Ditto.
3602 * doc/gcc.texi: Ditto.
3603 * doc/gccint.texi: Ditto.
3604 * doc/gcov.texi: Ditto.
3605 * doc/install.texi: Ditto.
3606 * doc/invoke.texi: Ditto.
3608 2021-01-01 Jakub Jelinek <jakub@redhat.com>
3610 * ChangeLog-2020: Rotate ChangeLog. New file.
3612 \f
3613 Copyright (C) 2021 Free Software Foundation, Inc.
3615 Copying and distribution of this file, with or without modification,
3616 are permitted in any medium without royalty provided the copyright
3617 notice and this notice are preserved.