* es.po: Update.
[official-gcc.git] / gcc / ChangeLog
blobfee06da31664749f8dea990d7883226d61711b58
1 2018-01-09  Carl Love  <cel@us.ibm.com>
3         * config/rs6002/altivec.md (p8_vmrgow): Add support for V2DI, V2DF,
4         V4SI, V4SF types.
5         (p8_vmrgew): Add support for V2DI, V2DF, V4SF types.
6         * config/rs6000/rs6000-builtin.def: Add definitions for FLOAT2_V2DF,
7         VMRGEW_V2DI, VMRGEW_V2DF, VMRGEW_V4SF, VMRGOW_V4SI, VMRGOW_V4SF,
8         VMRGOW_V2DI, VMRGOW_V2DF.  Remove definition for VMRGOW.
9         * config/rs6000/rs6000-c.c (VSX_BUILTIN_VEC_FLOAT2,
10         P8V_BUILTIN_VEC_VMRGEW, P8V_BUILTIN_VEC_VMRGOW):  Add definitions.
11         * config/rs6000/rs6000-protos.h: Add extern defition for
12         rs6000_generate_float2_double_code.
13         * config/rs6000/rs6000.c (rs6000_generate_float2_double_code): Add
14         function.
15         * config/rs6000/vsx.md (vsx_xvcdpsp): Add define_insn.
16         (float2_v2df): Add define_expand.
18 2018-01-09  Uros Bizjak  <ubizjak@gmail.com>
20         PR target/83628
21         * combine.c (force_int_to_mode) <case ASHIFT>: Use mode instead of
22         op_mode in the force_to_mode call.
24 2018-01-09  Richard Sandiford  <richard.sandiford@linaro.org>
26         * config/aarch64/aarch64.c (aarch64_evpc_trn): Use d.perm.series_p
27         instead of checking each element individually.
28         (aarch64_evpc_uzp): Likewise.
29         (aarch64_evpc_zip): Likewise.
30         (aarch64_evpc_ext): Likewise.
31         (aarch64_evpc_rev): Likewise.
32         (aarch64_evpc_dup): Test the encoding for a single duplicated element,
33         instead of checking each element individually.  Return true without
34         generating rtl if
35         (aarch64_vectorize_vec_perm_const): Use all_from_input_p to test
36         whether all selected elements come from the same input, instead of
37         checking each element individually.  Remove calls to gen_rtx_REG,
38         start_sequence and end_sequence and instead assert that no rtl is
39         generated.
41 2018-01-09  Richard Sandiford  <richard.sandiford@linaro.org>
43         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Fix
44         order of HIGH and CONST checks.
46 2018-01-09  Richard Sandiford  <richard.sandiford@linaro.org>
48         * tree-vect-stmts.c (permute_vec_elements): Create a fresh variable
49         if the destination isn't an SSA_NAME.
51 2018-01-09  Richard Biener  <rguenther@suse.de>
53         PR tree-optimization/83668
54         * graphite.c (canonicalize_loop_closed_ssa): Add edge argument,
55         move prologue...
56         (canonicalize_loop_form): ... here, renamed from ...
57         (canonicalize_loop_closed_ssa_form): ... this and amended to
58         swap successor edges for loop exit blocks to make us use
59         the RPO order we need for initial schedule generation.
61 2018-01-09  Joseph Myers  <joseph@codesourcery.com>
63         PR tree-optimization/64811
64         * match.pd: When optimizing comparisons with Inf, avoid
65         introducing or losing exceptions from comparisons with NaN.
67 2018-01-09  Martin Liska  <mliska@suse.cz>
69         PR sanitizer/82517
70         * asan.c (shadow_mem_size): Add gcc_assert.
72 2018-01-09  Georg-Johann Lay  <avr@gjlay.de>
74         Don't save registers in main().
76         PR target/83738
77         * doc/invoke.texi (AVR Options) [-mmain-is-OS_task]: Document it.
78         * config/avr/avr.opt (-mmain-is-OS_task): New target option.
79         * config/avr/avr.c (avr_set_current_function): Don't error if
80         naked, OS_task or OS_main are specified at the same time.
81         (avr_function_ok_for_sibcall): Don't disable sibcalls for OS_task,
82         OS_main.
83         (avr_insert_attributes) [-mmain-is-OS_task] <main>: Add OS_task
84         attribute.
85         * common/config/avr/avr-common.c (avr_option_optimization_table):
86         Switch on -mmain-is-OS_task for optimizing compilations.
88 2018-01-09  Richard Biener  <rguenther@suse.de>
90         PR tree-optimization/83572
91         * graphite.c: Include cfganal.h.
92         (graphite_transform_loops): Connect infinite loops to exit
93         and remove fake edges at the end.
95 2018-01-09  Jan Hubicka  <hubicka@ucw.cz>
97         * ipa-inline.c (edge_badness): Revert accidental checkin.
99 2018-01-09  Jan Hubicka  <hubicka@ucw.cz>
101         PR ipa/80763
102         * ipa-comdats.c (set_comdat_group): Only set comdat group of real
103         symbols; not inline clones.
105 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
107         PR target/83507
108         * modulo-sched.c (schedule_reg_moves): Punt if we'd need to move
109         hard registers.  Formatting fixes.
111         PR preprocessor/83722
112         * gcc.c (try_generate_repro): Pass
113         &temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than
114         &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1] as last argument to
115         do_report_bug.
117 2018-01-08  Monk Chiang  <sh.chiang04@gmail.com>
118             Kito Cheng  <kito.cheng@gmail.com>
120         * config/riscv/riscv.c (machine_function::is_leaf): Remove field.
121         (riscv_leaf_function_p): Delete.
122         (riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE.
124 2018-01-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
126         * config/rs6000/rs6000-string.c (do_load_for_compare_from_addr): New
127         function.
128         (do_ifelse): New function.
129         (do_isel): New function.
130         (do_sub3): New function.
131         (do_add3): New function.
132         (do_load_mask_compare): New function.
133         (do_overlap_load_compare): New function.
134         (expand_compare_loop): New function.
135         (expand_block_compare): Call expand_compare_loop() when appropriate.
136         * config/rs6000/rs6000.opt (-mblock-compare-inline-limit): Change
137         option description.
138         (-mblock-compare-inline-loop-limit): New option.
140 2018-01-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
142         PR target/83677
143         * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
144         Reverse order of second and third operands in first alternative.
145         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order
146         of first and second elements in UNSPEC_VPERMR vector.
147         (altivec_expand_vec_perm_le): Likewise.
149 2017-01-08  Jeff Law  <law@redhat.com>
151         PR rtl-optimizatin/81308
152         * tree-switch-conversion.c (cfg_altered): New file scoped static.
153         (process_switch): If group_case_labels makes a change, then set
154         cfg_altered.
155         (pass_convert_switch::execute): If a switch is converted, then
156         set cfg_altered.  Return TODO_cfg_cleanup if cfg_altered is true.
158         PR rtl-optimization/81308
159         * recog.c (split_all_insns): Conditionally cleanup the CFG after
160         splitting insns.
162 2018-01-08  Vidya Praveen  <vidyapraveen@arm.com>
164         PR target/83663 - Revert r255946
165         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify code
166         generation for cases where splatting a value is not useful.
167         * simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge
168         across a vec_duplicate and a paradoxical subreg forming a vector
169         mode to a vec_concat.
171 2018-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
173         * config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping rules for
174         -march=armv8.3-a variants.
175         * config/arm/t-multilib: Likewise.
176         * config/arm/t-arm-elf: Likewise.  Handle dotprod extension.
178 2018-01-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
180         * config/rs6000/rs6000.md (cceq_ior_compare): Remove * so I can use it
181         to generate rtl.
182         (cceq_ior_compare_complement): Give it a name so I can use it, and
183         change boolean_or_operator predicate to boolean_operator so it can
184         be used to generate a crand.
185         (eqne): New code iterator.
186         (bd/bd_neg): New code_attrs.
187         (<bd>_<mode>): New name for ctr<mode>_internal[12] now combined into
188         a single define_insn.
189         (<bd>tf_<mode>): A new insn pattern for the conditional form branch
190         decrement (bdnzt/bdnzf/bdzt/bdzf).
191         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Updated
192         with the new names of the branch decrement patterns, and added the
193         names of the branch decrement conditional patterns.
195 2018-01-08  Richard Biener  <rguenther@suse.de>
197         PR tree-optimization/83563
198         * graphite.c (canonicalize_loop_closed_ssa_form): Reset the SCEV
199         cache.
201 2018-01-08  Richard Biener  <rguenther@suse.de>
203         PR middle-end/83713
204         * convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks.
206 2018-01-08  Richard Biener  <rguenther@suse.de>
208         PR tree-optimization/83685
209         * tree-ssa-pre.c (create_expression_by_pieces): Do not insert
210         references to abnormals.
212 2018-01-08  Richard Biener  <rguenther@suse.de>
214         PR lto/83719
215         * dwarf2out.c (output_indirect_strings): Handle empty
216         skeleton_debug_str_hash.
217         (dwarf2out_early_finish): Index strings for -gsplit-dwarf.
219 2018-01-08  Claudiu Zissulescu  <claziss@synopsys.com>
221         * config/arc/arc.c (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Delete.
222         (emit_store_direct): Likewise.
223         (arc_trampoline_adjust_address): Likewise.
224         (arc_asm_trampoline_template): New function.
225         (arc_initialize_trampoline): Use asm_trampoline_template.
226         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Define.
227         * config/arc/arc.h (TRAMPOLINE_SIZE): Adjust to 16.
228         * config/arc/arc.md (flush_icache): Delete pattern.
230 2018-01-08  Claudiu Zissulescu  <claziss@synopsys.com>
232         * config/arc/arc-c.def (__ARC_UNALIGNED__): New define.
233         * config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using
234         munaligned-access.
236 2018-01-08  Sebastian Huber  <sebastian.huber@embedded-brains.de>
238         PR target/83681
239         * config/epiphany/epiphany.h (make_pass_mode_switch_use): Guard
240         by not USED_FOR_TARGET.
241         (make_pass_resolve_sw_modes): Likewise.
243 2018-01-08  Sebastian Huber  <sebastian.huber@embedded-brains.de>
245         * config/nios2/nios2.h (nios2_section_threshold): Guard by not
246         USED_FOR_TARGET.
248 2018-01-08  Richard Biener  <rguenther@suse.de>
250         PR middle-end/83580
251         * tree-data-ref.c (split_constant_offset): Remove STRIP_NOPS.
253 2018-01-08  Richard Biener  <rguenther@suse.de>
255         PR middle-end/83517
256         * match.pd ((t * 2) / 2) -> t): Add missing :c.
258 2018-01-06  Aldy Hernandez  <aldyh@redhat.com>
260         PR middle-end/81897
261         * tree-ssa-uninit.c (compute_control_dep_chain): Do not bail on
262         basic blocks with a small number of successors.
263         (convert_control_dep_chain_into_preds): Improve handling of
264         forwarder blocks.
265         (dump_predicates): Split apart into...
266         (dump_pred_chain): ...here...
267         (dump_pred_info): ...and here.
268         (can_one_predicate_be_invalidated_p): Add debugging printfs.
269         (can_chain_union_be_invalidated_p): Improve check for invalidation
270         of paths.
271         (uninit_uses_cannot_happen): Avoid unnecessary if
272         convert_control_dep_chain_into_preds yielded nothing.
274 2018-01-06  Martin Sebor  <msebor@redhat.com>
276         PR tree-optimization/83640
277         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Avoid
278         subtracting negative offset from size.
279         (builtin_access::overlap): Adjust offset bounds of the access to fall
280         within the size of the object if possible.
282 2018-01-06  Richard Sandiford  <richard.sandiford@linaro.org>
284         PR rtl-optimization/83699
285         * expmed.c (extract_bit_field_1): Restrict the vector usage of
286         extract_bit_field_as_subreg to cases in which the extracted
287         value is also a vector.
289         * lra-constraints.c (process_alt_operands): Test for the equivalence
290         substitutions when detecting a possible reload cycle.
292 2018-01-06  Jakub Jelinek  <jakub@redhat.com>
294         PR debug/83480
295         * toplev.c (process_options): Don't enable debug_nonbind_markers_p
296         by default if flag_selective_schedling{,2}.  Formatting fixes.
298         PR rtl-optimization/83682
299         * rtl.h (const_vec_duplicate_p): Only return true for VEC_DUPLICATE
300         if it has non-VECTOR_MODE element mode.
301         (vec_duplicate_p): Likewise.
303         PR middle-end/83694
304         * cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode
305         and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT.
307 2018-01-05  Jakub Jelinek  <jakub@redhat.com>
309         PR target/83604
310         * config/i386/i386-builtin.def
311         (__builtin_ia32_vgf2p8affineinvqb_v64qi,
312         __builtin_ia32_vgf2p8affineqb_v64qi, __builtin_ia32_vgf2p8mulb_v64qi):
313         Require also OPTION_MASK_ISA_AVX512F in addition to
314         OPTION_MASK_ISA_GFNI.
315         (__builtin_ia32_vgf2p8affineinvqb_v16qi_mask,
316         __builtin_ia32_vgf2p8affineqb_v16qi_mask): Require
317         OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_SSE in addition
318         to OPTION_MASK_ISA_GFNI.
319         (__builtin_ia32_vgf2p8mulb_v32qi_mask): Require
320         OPTION_MASK_ISA_AVX512VL in addition to OPTION_MASK_ISA_GFNI and
321         OPTION_MASK_ISA_AVX512BW.
322         (__builtin_ia32_vgf2p8mulb_v16qi_mask): Require
323         OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_AVX512BW in
324         addition to OPTION_MASK_ISA_GFNI.
325         (__builtin_ia32_vgf2p8affineinvqb_v16qi,
326         __builtin_ia32_vgf2p8affineqb_v16qi, __builtin_ia32_vgf2p8mulb_v16qi):
327         Require OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_SSE in addition
328         to OPTION_MASK_ISA_GFNI.
329         * config/i386/i386.c (def_builtin): Change to builtin isa/isa2 being
330         a requirement for all ISAs rather than any of them with a few
331         exceptions.
332         (ix86_add_new_builtins): Clear OPTION_MASK_ISA_64BIT from isa before
333         processing.
334         (ix86_expand_builtin): Require all ISAs from builtin's isa and isa2
335         bitmasks to be enabled with 3 exceptions, instead of requiring any
336         enabled ISA with lots of exceptions.
337         * config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
338         vgf2p8affineqb_<mode><mask_name>, vgf2p8mulb_<mode><mask_name>):
339         Change avx512bw in isa attribute to avx512f.
340         * config/i386/sgxintrin.h: Add license boilerplate.
341         * config/i386/vaesintrin.h: Likewise.  Fix macro spelling __AVX512F
342         to __AVX512F__ and __AVX512VL to __AVX512VL__.
343         (_mm256_aesdec_epi128, _mm256_aesdeclast_epi128, _mm256_aesenc_epi128,
344         _mm256_aesenclast_epi128): Enable temporarily avx if __AVX__ is not
345         defined.
346         * config/i386/gfniintrin.h (_mm_gf2p8mul_epi8,
347         _mm_gf2p8affineinv_epi64_epi8, _mm_gf2p8affine_epi64_epi8): Enable
348         temporarily sse2 rather than sse if not enabled already.
350         PR target/83604
351         * config/i386/sse.md (VI248_VLBW): Rename to ...
352         (VI248_AVX512VL): ... this.  Don't guard V32HI with TARGET_AVX512BW.
353         (vpshrd_<mode><mask_name>, vpshld_<mode><mask_name>,
354         vpshrdv_<mode>, vpshrdv_<mode>_mask, vpshrdv_<mode>_maskz,
355         vpshrdv_<mode>_maskz_1, vpshldv_<mode>, vpshldv_<mode>_mask,
356         vpshldv_<mode>_maskz, vpshldv_<mode>_maskz_1): Use VI248_AVX512VL
357         mode iterator instead of VI248_VLBW.
359 2018-01-05  Jan Hubicka  <hubicka@ucw.cz>
361         * ipa-fnsummary.c (record_modified_bb_info): Add OP.
362         (record_modified): Skip clobbers; add debug output.
363         (param_change_prob): Use sreal frequencies.
365 2018-01-05  Richard Sandiford  <richard.sandiford@linaro.org>
367         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
368         punt for user-aligned variables.
370 2018-01-05  Richard Sandiford  <richard.sandiford@linaro.org>
372         * tree-chrec.c (chrec_contains_symbols): Return true for
373         POLY_INT_CST.
375 2018-01-05  Sudakshina Das  <sudi.das@arm.com>
377         PR target/82439
378         * simplify-rtx.c (simplify_relational_operation_1): Add simplifications
379         of (x|y) == x for BICS pattern.
381 2018-01-05  Jakub Jelinek  <jakub@redhat.com>
383         PR tree-optimization/83605
384         * gimple-ssa-strength-reduction.c: Include tree-eh.h.
385         (find_candidates_dom_walker::before_dom_children): Ignore stmts that
386         can throw.
388 2018-01-05  Sebastian Huber  <sebastian.huber@embedded-brains.de>
390         * config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration.
391         * config/epiphany/rtems.h: New file.
393 2018-01-04  Jakub Jelinek  <jakub@redhat.com>
394             Uros Bizjak  <ubizjak@gmail.com>
396         PR target/83554
397         * config/i386/i386.md (*<rotate_insn>hi3_1 splitter): Use
398         QIreg_operand instead of register_operand predicate.
399         * config/i386/i386.c (ix86_rop_should_change_byte_p,
400         set_rop_modrm_reg_bits, ix86_mitigate_rop): Use -mmitigate-rop in
401         comments instead of -fmitigate[-_]rop.
403 2018-01-04  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
405         PR bootstrap/81926
406         * cgraphunit.c (symbol_table::compile): Switch to text_section
407         before calling assembly_start debug hook.
408         * run-rtl-passes.c (run_rtl_passes): Likewise.
409         Include output.h.
411 2018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
413         * tree-vrp.c (extract_range_from_binary_expr_1): Check
414         range_int_cst_p rather than !symbolic_range_p before calling
415         extract_range_from_multiplicative_op_1.
417 2017-01-04  Jeff Law  <law@redhat.com>
419         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Remove
420         redundant test in assertion.
422 2018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
424         * doc/rtl.texi: Document machine_mode wrapper classes.
426 2018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
428         * fold-const.c (fold_ternary_loc): Check tree_fits_uhwi_p before
429         using tree_to_uhwi.
431 2018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
433         * tree-ssa-forwprop.c (is_combined_permutation_identity): Allow
434         the VEC_PERM_EXPR fold to fail.
436 2018-01-04  Jakub Jelinek  <jakub@redhat.com>
438         PR debug/83585
439         * bb-reorder.c (insert_section_boundary_note): Set has_bb_partition
440         to switched_sections.
442 2018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
444         PR target/83680
445         * config/arm/arm.c (arm_vectorize_vec_perm_const): Fix inverted
446         test for d.testing.
448 2018-01-04  Peter Bergner  <bergner@vnet.ibm.com>
450         PR target/83387
451         * config/rs6000/rs6000.c (rs6000_discover_homogeneous_aggregate): Do not
452         allow arguments in FP registers if TARGET_HARD_FLOAT is false.
454 2018-01-04  Jakub Jelinek  <jakub@redhat.com>
456         PR debug/83666
457         * cfgexpand.c (expand_dbeug_expr) <case BIT_FIELD_REF>: Punt if mode
458         is BLKmode and bitpos not zero or mode change is needed.
460 2018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
462         PR target/83675
463         * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Require
464         TARGET_VIS2.
466 2018-01-04  Uros Bizjak  <ubizjak@gmail.com>
468         PR target/83628
469         * config/alpha/alpha.md (*sadd<modesuffix>): Use ASHIFT
470         instead of MULT rtx.  Update all corresponding splitters.
471         (*saddl_se): Ditto.
472         (*ssub<modesuffix>): Ditto.
473         (*ssubl_se): Ditto.
474         (*cmp_sadd_di): Update split patterns.
475         (*cmp_sadd_si): Ditto.
476         (*cmp_sadd_sidi): Ditto.
477         (*cmp_ssub_di): Ditto.
478         (*cmp_ssub_si): Ditto.
479         (*cmp_ssub_sidi): Ditto.
480         * config/alpha/predicates.md (const23_operand): New predicate.
481         * config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]:
482         Look for ASHIFT, not MULT inner operand.
483         (alpha_split_conditional_move): Update for *sadd<modesuffix> change.
485 2018-01-04  Martin Liska  <mliska@suse.cz>
487         PR gcov-profile/83669
488         * gcov.c (output_intermediate_file): Add version to intermediate
489         gcov file.
490         * doc/gcov.texi: Document new field 'version' in intermediate
491         file format. Fix location of '-k' option of gcov command.
493 2018-01-04  Martin Liska  <mliska@suse.cz>
495         PR ipa/82352
496         * ipa-icf.c (sem_function::merge): Do not cross comdat boundary.
498 2018-01-04  Jakub Jelinek  <jakub@redhat.com>
500         * gimple-ssa-sprintf.c (parse_directive): Cast second dir.len to uhwi.
502 2018-01-03  Martin Sebor  <msebor@redhat.com>
504         PR tree-optimization/83655
505         * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid
506         checking calls with invalid arguments.
508 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
510         * tree-vect-stmts.c (vect_get_store_rhs): New function.
511         (vectorizable_mask_load_store): Delete.
512         (vectorizable_call): Return false for masked loads and stores.
513         (vectorizable_store): Handle IFN_MASK_STORE.  Use vect_get_store_rhs
514         instead of gimple_assign_rhs1.
515         (vectorizable_load): Handle IFN_MASK_LOAD.
516         (vect_transform_stmt): Don't set is_store for call_vec_info_type.
518 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
520         * tree-vect-stmts.c (vect_build_gather_load_calls): New function,
521         split out from..,
522         (vectorizable_mask_load_store): ...here.
523         (vectorizable_load): ...and here.
525 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
527         * tree-vect-stmts.c (vect_build_all_ones_mask)
528         (vect_build_zero_merge_argument): New functions, split out from...
529         (vectorizable_load): ...here.
531 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
533         * tree-vect-stmts.c (vect_check_store_rhs): New function,
534         split out from...
535         (vectorizable_mask_load_store): ...here.
536         (vectorizable_store): ...and here.
538 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
540         * tree-vect-stmts.c (vect_check_load_store_mask): New function,
541         split out from...
542         (vectorizable_mask_load_store): ...here.
544 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
546         * tree-vectorizer.h (vec_load_store_type): Moved from tree-vec-stmts.c
547         (vect_model_store_cost): Take a vec_load_store_type instead of a
548         vect_def_type.
549         * tree-vect-stmts.c (vec_load_store_type): Move to tree-vectorizer.h.
550         (vect_model_store_cost): Take a vec_load_store_type instead of a
551         vect_def_type.
552         (vectorizable_mask_load_store): Update accordingly.
553         (vectorizable_store): Likewise.
554         * tree-vect-slp.c (vect_analyze_slp_cost_1): Update accordingly.
556 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
558         * tree-vect-loop.c (vect_transform_loop): Stub out scalar
559         IFN_MASK_LOAD calls here rather than...
560         * tree-vect-stmts.c (vectorizable_mask_load_store): ...here.
562 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
563             Alan Hayward  <alan.hayward@arm.com>
564             David Sherwood  <david.sherwood@arm.com>
566         * expmed.c (extract_bit_field_1): For vector extracts,
567         fall back to extract_bit_field_as_subreg if vec_extract
568         isn't available.
570 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
571             Alan Hayward  <alan.hayward@arm.com>
572             David Sherwood  <david.sherwood@arm.com>
574         * lra-spills.c (pseudo_reg_slot_compare): Sort slots by whether
575         they are variable or constant sized.
576         (assign_stack_slot_num_and_sort_pseudos): Don't reuse variable-sized
577         slots for constant-sized data.
579 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
580             Alan Hayward  <alan.hayward@arm.com>
581             David Sherwood  <david.sherwood@arm.com>
583         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): When
584         handling COND_EXPRs with boolean comparisons, try to find a better
585         basis for the mask type than the boolean itself.
587 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
589         * doc/rtl.texi (MAX_BITSIZE_MODE_ANY_MODE): Describe how the default
590         is calculated and how it can be overridden.
591         * genmodes.c (max_bitsize_mode_any_mode): New variable.
592         (create_modes): Initialize it from MAX_BITSIZE_MODE_ANY_MODE,
593         if defined.
594         (emit_max_int): Use it to set the output MAX_BITSIZE_MODE_ANY_MODE,
595         if nonzero.
597 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
598             Alan Hayward  <alan.hayward@arm.com>
599             David Sherwood  <david.sherwood@arm.com>
601         * config/aarch64/aarch64-protos.h (aarch64_output_simd_mov_immediate):
602         Remove the mode argument.
603         (aarch64_simd_valid_immediate): Remove the mode and inverse
604         arguments.
605         * config/aarch64/iterators.md (bitsize): New iterator.
606         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>, and<mode>3)
607         (ior<mode>3): Update calls to aarch64_output_simd_mov_immediate.
608         * config/aarch64/constraints.md (Do, Db, Dn): Update calls to
609         aarch64_simd_valid_immediate.
610         * config/aarch64/predicates.md (aarch64_reg_or_orr_imm): Likewise.
611         (aarch64_reg_or_bic_imm): Likewise.
612         * config/aarch64/aarch64.c (simd_immediate_info): Replace mvn
613         with an insn_type enum and msl with a modifier_type enum.
614         Replace element_width with a scalar_mode.  Change the shift
615         to unsigned int.  Add constructors for scalar_float_mode and
616         scalar_int_mode elements.
617         (aarch64_vect_float_const_representable_p): Delete.
618         (aarch64_can_const_movi_rtx_p)
619         (aarch64_simd_scalar_immediate_valid_for_move)
620         (aarch64_simd_make_constant): Update call to
621         aarch64_simd_valid_immediate.
622         (aarch64_advsimd_valid_immediate_hs): New function.
623         (aarch64_advsimd_valid_immediate): Likewise.
624         (aarch64_simd_valid_immediate): Remove mode and inverse
625         arguments.  Rewrite to use the above.  Use const_vec_duplicate_p
626         to detect duplicated constants and use aarch64_float_const_zero_rtx_p
627         and aarch64_float_const_representable_p on the result.
628         (aarch64_output_simd_mov_immediate): Remove mode argument.
629         Update call to aarch64_simd_valid_immediate and use of
630         simd_immediate_info.
631         (aarch64_output_scalar_simd_mov_immediate): Update call
632         accordingly.
634 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
635             Alan Hayward  <alan.hayward@arm.com>
636             David Sherwood  <david.sherwood@arm.com>
638         * machmode.h (mode_precision): Prefix with CONST_MODE_PRECISION.
639         (mode_nunits): Likewise CONST_MODE_NUNITS.
640         * machmode.def (ADJUST_NUNITS): Document.
641         * genmodes.c (mode_data::need_nunits_adj): New field.
642         (blank_mode): Update accordingly.
643         (adj_nunits): New variable.
644         (print_maybe_const_decl): Replace CATEGORY with a NEEDS_ADJ
645         parameter.
646         (emit_mode_size_inline): Set need_bytesize_adj for all modes
647         listed in adj_nunits.
648         (emit_mode_nunits_inline): Set need_nunits_adj for all modes
649         listed in adj_nunits.  Don't emit case statements for such modes.
650         (emit_insn_modes_h): Emit definitions of CONST_MODE_NUNITS
651         and CONST_MODE_PRECISION.  Make CONST_MODE_SIZE expand to
652         nothing if adj_nunits is nonnull.
653         (emit_mode_precision, emit_mode_nunits): Use print_maybe_const_decl.
654         (emit_mode_unit_size, emit_mode_base_align, emit_mode_ibit)
655         (emit_mode_fbit): Update use of print_maybe_const_decl.
656         (emit_move_size): Likewise.  Treat the array as non-const
657         if adj_nunits.
658         (emit_mode_adjustments): Handle adj_nunits.
660 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
662         * machmode.def (VECTOR_MODES_WITH_PREFIX): Document.
663         * genmodes.c (VECTOR_MODES_WITH_PREFIX): New macro.
664         (VECTOR_MODES): Use it.
665         (make_vector_modes): Take the prefix as an argument.
667 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
668             Alan Hayward  <alan.hayward@arm.com>
669             David Sherwood  <david.sherwood@arm.com>
671         * mode-classes.def (MODE_VECTOR_BOOL): New mode class.
672         * machmode.h (INTEGRAL_MODE_P, VECTOR_MODE_P): Return true
673         for MODE_VECTOR_BOOL.
674         * machmode.def (VECTOR_BOOL_MODE): Document.
675         * genmodes.c (VECTOR_BOOL_MODE): New macro.
676         (make_vector_bool_mode): New function.
677         (complete_mode, emit_mode_wider, emit_mode_adjustments): Handle
678         MODE_VECTOR_BOOL.
679         * lto-streamer-in.c (lto_input_mode_table): Likewise.
680         * rtx-vector-builder.c (rtx_vector_builder::find_cached_value):
681         Likewise.
682         * stor-layout.c (int_mode_for_mode): Likewise.
683         * tree.c (build_vector_type_for_mode): Likewise.
684         * varasm.c (output_constant_pool_2): Likewise.
685         * emit-rtl.c (init_emit_once): Make sure that CONST1_RTX (BImode) and
686         CONSTM1_RTX (BImode) are the same thing.  Initialize const_tiny_rtx
687         for MODE_VECTOR_BOOL.
688         * expr.c (expand_expr_real_1): Use VECTOR_MODE_P instead of a list
689         of mode class checks.
690         * tree-vect-generic.c (expand_vector_operation): Use VECTOR_MODE_P
691         instead of a list of mode class checks.
692         (expand_vector_scalar_condition): Likewise.
693         (type_for_widest_vector_mode): Handle BImode as an inner mode.
695 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
696             Alan Hayward  <alan.hayward@arm.com>
697             David Sherwood  <david.sherwood@arm.com>
699         * machmode.h (mode_size): Change from unsigned short to
700         poly_uint16_pod.
701         (mode_to_bytes): Return a poly_uint16 rather than an unsigned short.
702         (GET_MODE_SIZE): Return a constant if ONLY_FIXED_SIZE_MODES,
703         or if measurement_type is not polynomial.
704         (fixed_size_mode::includes_p): Check for constant-sized modes.
705         * genmodes.c (emit_mode_size_inline): Make mode_size_inline
706         return a poly_uint16 rather than an unsigned short.
707         (emit_mode_size): Change the type of mode_size from unsigned short
708         to poly_uint16_pod.  Use ZERO_COEFFS for the initializer.
709         (emit_mode_adjustments): Cope with polynomial vector sizes.
710         * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
711         for GET_MODE_SIZE.
712         * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
713         for GET_MODE_SIZE.
714         * auto-inc-dec.c (try_merge): Treat GET_MODE_SIZE as polynomial.
715         * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Likewise.
716         * caller-save.c (setup_save_areas): Likewise.
717         (replace_reg_with_saved_mem): Likewise.
718         * calls.c (emit_library_call_value_1): Likewise.
719         * combine-stack-adj.c (combine_stack_adjustments_for_block): Likewise.
720         * combine.c (simplify_set, make_extraction, simplify_shift_const_1)
721         (gen_lowpart_for_combine): Likewise.
722         * convert.c (convert_to_integer_1): Likewise.
723         * cse.c (equiv_constant, cse_insn): Likewise.
724         * cselib.c (autoinc_split, cselib_hash_rtx): Likewise.
725         (cselib_subst_to_values): Likewise.
726         * dce.c (word_dce_process_block): Likewise.
727         * df-problems.c (df_word_lr_mark_ref): Likewise.
728         * dwarf2cfi.c (init_one_dwarf_reg_size): Likewise.
729         * dwarf2out.c (multiple_reg_loc_descriptor, mem_loc_descriptor)
730         (concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor)
731         (rtl_for_decl_location): Likewise.
732         * emit-rtl.c (gen_highpart, widen_memory_access): Likewise.
733         * expmed.c (extract_bit_field_1, extract_integral_bit_field): Likewise.
734         * expr.c (emit_group_load_1, clear_storage_hints): Likewise.
735         (emit_move_complex, emit_move_multi_word, emit_push_insn): Likewise.
736         (expand_expr_real_1): Likewise.
737         * function.c (assign_parm_setup_block_p, assign_parm_setup_block)
738         (pad_below): Likewise.
739         * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise.
740         * gimple-ssa-store-merging.c (rhs_valid_for_store_merging_p): Likewise.
741         * ira.c (get_subreg_tracking_sizes): Likewise.
742         * ira-build.c (ira_create_allocno_objects): Likewise.
743         * ira-color.c (coalesced_pseudo_reg_slot_compare): Likewise.
744         (ira_sort_regnos_for_alter_reg): Likewise.
745         * ira-costs.c (record_operand_costs): Likewise.
746         * lower-subreg.c (interesting_mode_p, simplify_gen_subreg_concatn)
747         (resolve_simple_move): Likewise.
748         * lra-constraints.c (get_reload_reg, operands_match_p): Likewise.
749         (process_addr_reg, simplify_operand_subreg, curr_insn_transform)
750         (lra_constraints): Likewise.
751         (CONST_POOL_OK_P): Reject variable-sized modes.
752         * lra-spills.c (slot, assign_mem_slot, pseudo_reg_slot_compare)
753         (add_pseudo_to_slot, lra_spill): Likewise.
754         * omp-low.c (omp_clause_aligned_alignment): Likewise.
755         * optabs-query.c (get_best_extraction_insn): Likewise.
756         * optabs-tree.c (expand_vec_cond_expr_p): Likewise.
757         * optabs.c (expand_vec_perm_var, expand_vec_cond_expr): Likewise.
758         (expand_mult_highpart, valid_multiword_target_p): Likewise.
759         * recog.c (offsettable_address_addr_space_p): Likewise.
760         * regcprop.c (maybe_mode_change): Likewise.
761         * reginfo.c (choose_hard_reg_mode, record_subregs_of_mode): Likewise.
762         * regrename.c (build_def_use): Likewise.
763         * regstat.c (dump_reg_info): Likewise.
764         * reload.c (complex_word_subreg_p, push_reload, find_dummy_reload)
765         (find_reloads, find_reloads_subreg_address): Likewise.
766         * reload1.c (eliminate_regs_1): Likewise.
767         * rtlanal.c (for_each_inc_dec_find_inc_dec, rtx_cost): Likewise.
768         * simplify-rtx.c (avoid_constant_pool_reference): Likewise.
769         (simplify_binary_operation_1, simplify_subreg): Likewise.
770         * targhooks.c (default_function_arg_padding): Likewise.
771         (default_hard_regno_nregs, default_class_max_nregs): Likewise.
772         * tree-cfg.c (verify_gimple_assign_binary): Likewise.
773         (verify_gimple_assign_ternary): Likewise.
774         * tree-inline.c (estimate_move_cost): Likewise.
775         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
776         * tree-ssa-loop-ivopts.c (add_autoinc_candidates): Likewise.
777         (get_address_cost_ainc): Likewise.
778         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
779         (vect_supportable_dr_alignment): Likewise.
780         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
781         (vectorizable_reduction): Likewise.
782         * tree-vect-stmts.c (vectorizable_assignment, vectorizable_shift)
783         (vectorizable_operation, vectorizable_load): Likewise.
784         * tree.c (build_same_sized_truth_vector_type): Likewise.
785         * valtrack.c (cleanup_auto_inc_dec): Likewise.
786         * var-tracking.c (emit_note_insn_var_location): Likewise.
787         * config/arc/arc.h (ASM_OUTPUT_CASE_END): Use as_a <scalar_int_mode>.
788         (ADDR_VEC_ALIGN): Likewise.
790 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
791             Alan Hayward  <alan.hayward@arm.com>
792             David Sherwood  <david.sherwood@arm.com>
794         * machmode.h (mode_to_bits): Return a poly_uint16 rather than an
795         unsigned short.
796         (GET_MODE_BITSIZE): Return a constant if ONLY_FIXED_SIZE_MODES,
797         or if measurement_type is polynomial.
798         * calls.c (shift_return_value): Treat GET_MODE_BITSIZE as polynomial.
799         * combine.c (make_extraction): Likewise.
800         * dse.c (find_shift_sequence): Likewise.
801         * dwarf2out.c (mem_loc_descriptor): Likewise.
802         * expmed.c (store_integral_bit_field, extract_bit_field_1): Likewise.
803         (extract_bit_field, extract_low_bits): Likewise.
804         * expr.c (convert_move, convert_modes, emit_move_insn_1): Likewise.
805         (optimize_bitfield_assignment_op, expand_assignment): Likewise.
806         (store_expr_with_bounds, store_field, expand_expr_real_1): Likewise.
807         * fold-const.c (optimize_bit_field_compare, merge_ranges): Likewise.
808         * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise.
809         * reload.c (find_reloads): Likewise.
810         * reload1.c (alter_reg): Likewise.
811         * stor-layout.c (bitwise_mode_for_mode, compute_record_mode): Likewise.
812         * targhooks.c (default_secondary_memory_needed_mode): Likewise.
813         * tree-if-conv.c (predicate_mem_writes): Likewise.
814         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
815         * tree-vect-patterns.c (adjust_bool_pattern): Likewise.
816         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
817         * valtrack.c (dead_debug_insert_temp): Likewise.
818         * varasm.c (mergeable_constant_section): Likewise.
819         * config/sh/sh.h (LOCAL_ALIGNMENT): Use as_a <fixed_size_mode>.
821 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
822             Alan Hayward  <alan.hayward@arm.com>
823             David Sherwood  <david.sherwood@arm.com>
825         * expr.c (expand_assignment): Cope with polynomial mode sizes
826         when assigning to a CONCAT.
828 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
829             Alan Hayward  <alan.hayward@arm.com>
830             David Sherwood  <david.sherwood@arm.com>
832         * machmode.h (mode_precision): Change from unsigned short to
833         poly_uint16_pod.
834         (mode_to_precision): Return a poly_uint16 rather than an unsigned
835         short.
836         (GET_MODE_PRECISION): Return a constant if ONLY_FIXED_SIZE_MODES,
837         or if measurement_type is not polynomial.
838         (HWI_COMPUTABLE_MODE_P): Turn into a function.  Optimize the case
839         in which the mode is already known to be a scalar_int_mode.
840         * genmodes.c (emit_mode_precision): Change the type of mode_precision
841         from unsigned short to poly_uint16_pod.  Use ZERO_COEFFS for the
842         initializer.
843         * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
844         for GET_MODE_PRECISION.
845         * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
846         for GET_MODE_PRECISION.
847         * combine.c (update_rsp_from_reg_equal): Treat GET_MODE_PRECISION
848         as polynomial.
849         (try_combine, find_split_point, combine_simplify_rtx): Likewise.
850         (expand_field_assignment, make_extraction): Likewise.
851         (make_compound_operation_int, record_dead_and_set_regs_1): Likewise.
852         (get_last_value): Likewise.
853         * convert.c (convert_to_integer_1): Likewise.
854         * cse.c (cse_insn): Likewise.
855         * expr.c (expand_expr_real_1): Likewise.
856         * lra-constraints.c (simplify_operand_subreg): Likewise.
857         * optabs-query.c (can_atomic_load_p): Likewise.
858         * optabs.c (expand_atomic_load): Likewise.
859         (expand_atomic_store): Likewise.
860         * ree.c (combine_reaching_defs): Likewise.
861         * rtl.h (partial_subreg_p, paradoxical_subreg_p): Likewise.
862         * rtlanal.c (nonzero_bits1, lsb_bitfield_op_p): Likewise.
863         * tree.h (type_has_mode_precision_p): Likewise.
864         * ubsan.c (instrument_si_overflow): Likewise.
866 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
867             Alan Hayward  <alan.hayward@arm.com>
868             David Sherwood  <david.sherwood@arm.com>
870         * tree.h (TYPE_VECTOR_SUBPARTS): Turn into a function and handle
871         polynomial numbers of units.
872         (SET_TYPE_VECTOR_SUBPARTS): Likewise.
873         (valid_vector_subparts_p): New function.
874         (build_vector_type): Remove temporary shim and take the number
875         of units as a poly_uint64 rather than an int.
876         (build_opaque_vector_type): Take the number of units as a
877         poly_uint64 rather than an int.
878         * tree.c (build_vector_from_ctor): Handle polynomial
879         TYPE_VECTOR_SUBPARTS.
880         (type_hash_canon_hash, type_cache_hasher::equal): Likewise.
881         (uniform_vector_p, vector_type_mode, build_vector): Likewise.
882         (build_vector_from_val): If the number of units is variable,
883         use build_vec_duplicate_cst for constant operands and
884         VEC_DUPLICATE_EXPR otherwise.
885         (make_vector_type): Remove temporary is_constant ().
886         (build_vector_type, build_opaque_vector_type): Take the number of
887         units as a poly_uint64 rather than an int.
888         (check_vector_cst): Handle polynomial TYPE_VECTOR_SUBPARTS and
889         VECTOR_CST_NELTS.
890         * cfgexpand.c (expand_debug_expr): Likewise.
891         * expr.c (count_type_elements, categorize_ctor_elements_1): Likewise.
892         (store_constructor, expand_expr_real_1): Likewise.
893         (const_scalar_mask_from_tree): Likewise.
894         * fold-const-call.c (fold_const_reduction): Likewise.
895         * fold-const.c (const_binop, const_unop, fold_convert_const): Likewise.
896         (operand_equal_p, fold_vec_perm, fold_ternary_loc): Likewise.
897         (native_encode_vector, vec_cst_ctor_to_array): Likewise.
898         (fold_relational_const): Likewise.
899         (native_interpret_vector): Likewise.  Change the size from an
900         int to an unsigned int.
901         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Handle polynomial
902         TYPE_VECTOR_SUBPARTS.
903         (gimple_fold_indirect_ref, gimple_build_vector): Likewise.
904         (gimple_build_vector_from_val): Use VEC_DUPLICATE_EXPR when
905         duplicating a non-constant operand into a variable-length vector.
906         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Handle polynomial
907         TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS.
908         * ipa-icf.c (sem_variable::equals): Likewise.
909         * match.pd: Likewise.
910         * omp-simd-clone.c (simd_clone_subparts): Likewise.
911         * print-tree.c (print_node): Likewise.
912         * stor-layout.c (layout_type): Likewise.
913         * targhooks.c (default_builtin_vectorization_cost): Likewise.
914         * tree-cfg.c (verify_gimple_comparison): Likewise.
915         (verify_gimple_assign_binary): Likewise.
916         (verify_gimple_assign_ternary): Likewise.
917         (verify_gimple_assign_single): Likewise.
918         * tree-pretty-print.c (dump_generic_node): Likewise.
919         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
920         (simplify_bitfield_ref, is_combined_permutation_identity): Likewise.
921         * tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
922         (vect_grouped_load_supported, vect_permute_load_chain): Likewise.
923         (vect_shift_permute_load_chain): Likewise.
924         * tree-vect-generic.c (nunits_for_known_piecewise_op): Likewise.
925         (expand_vector_condition, optimize_vector_constructor): Likewise.
926         (lower_vec_perm, get_compute_type): Likewise.
927         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
928         (get_initial_defs_for_reduction, vect_transform_loop): Likewise.
929         * tree-vect-patterns.c (vect_recog_bool_pattern): Likewise.
930         (vect_recog_mask_conversion_pattern): Likewise.
931         * tree-vect-slp.c (vect_supported_load_permutation_p): Likewise.
932         (vect_get_constant_vectors, vect_transform_slp_perm_load): Likewise.
933         * tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
934         (get_group_load_store_type, vectorizable_mask_load_store): Likewise.
935         (vectorizable_bswap, simd_clone_subparts, vectorizable_assignment)
936         (vectorizable_shift, vectorizable_operation, vectorizable_store)
937         (vectorizable_load, vect_is_simple_cond, vectorizable_comparison)
938         (supportable_widening_operation): Likewise.
939         (supportable_narrowing_operation): Likewise.
940         * tree-vector-builder.c (tree_vector_builder::binary_encoded_nelts):
941         Likewise.
942         * varasm.c (output_constant): Likewise.
944 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
945             Alan Hayward  <alan.hayward@arm.com>
946             David Sherwood  <david.sherwood@arm.com>
948         * tree-vect-data-refs.c (vect_permute_store_chain): Reorganize
949         so that both the length == 3 and length != 3 cases set up their
950         own permute vectors.  Add comments explaining why we know the
951         number of elements is constant.
952         (vect_permute_load_chain): Likewise.
954 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
955             Alan Hayward  <alan.hayward@arm.com>
956             David Sherwood  <david.sherwood@arm.com>
958         * machmode.h (mode_nunits): Change from unsigned char to
959         poly_uint16_pod.
960         (ONLY_FIXED_SIZE_MODES): New macro.
961         (pod_mode::measurement_type, scalar_int_mode::measurement_type)
962         (scalar_float_mode::measurement_type, scalar_mode::measurement_type)
963         (complex_mode::measurement_type, fixed_size_mode::measurement_type):
964         New typedefs.
965         (mode_to_nunits): Return a poly_uint16 rather than an unsigned short.
966         (GET_MODE_NUNITS): Return a constant if ONLY_FIXED_SIZE_MODES,
967         or if measurement_type is not polynomial.
968         * genmodes.c (ZERO_COEFFS): New macro.
969         (emit_mode_nunits_inline): Make mode_nunits_inline return a
970         poly_uint16.
971         (emit_mode_nunits): Change the type of mode_nunits to poly_uint16_pod.
972         Use ZERO_COEFFS when emitting initializers.
973         * data-streamer.h (bp_pack_poly_value): New function.
974         (bp_unpack_poly_value): Likewise.
975         * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
976         for GET_MODE_NUNITS.
977         * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
978         for GET_MODE_NUNITS.
979         * tree.c (make_vector_type): Remove temporary shim and make
980         the real function take the number of units as a poly_uint64
981         rather than an int.
982         (build_vector_type_for_mode): Handle polynomial nunits.
983         * dwarf2out.c (loc_descriptor, add_const_value_attribute): Likewise.
984         * emit-rtl.c (const_vec_series_p_1): Likewise.
985         (gen_rtx_CONST_VECTOR): Likewise.
986         * fold-const.c (test_vec_duplicate_folding): Likewise.
987         * genrecog.c (validate_pattern): Likewise.
988         * optabs-query.c (can_vec_perm_var_p, can_mult_highpart_p): Likewise.
989         * optabs-tree.c (expand_vec_cond_expr_p): Likewise.
990         * optabs.c (expand_vector_broadcast, expand_binop_directly): Likewise.
991         (shift_amt_for_vec_perm_mask, expand_vec_perm_var): Likewise.
992         (expand_vec_cond_expr, expand_mult_highpart): Likewise.
993         * rtlanal.c (subreg_get_info): Likewise.
994         * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
995         (vect_grouped_load_supported): Likewise.
996         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
997         * tree-vect-loop.c (have_whole_vector_shift): Likewise.
998         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
999         (simplify_const_unary_operation, simplify_binary_operation_1)
1000         (simplify_const_binary_operation, simplify_ternary_operation)
1001         (test_vector_ops_duplicate, test_vector_ops): Likewise.
1002         (simplify_immed_subreg): Use GET_MODE_NUNITS on a fixed_size_mode
1003         instead of CONST_VECTOR_NUNITS.
1004         * varasm.c (output_constant_pool_2): Likewise.
1005         * rtx-vector-builder.c (rtx_vector_builder::build): Only include the
1006         explicit-encoded elements in the XVEC for variable-length vectors.
1008 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1010         * lra-constraints.c (curr_insn_transform): Use partial_subreg_p.
1012 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1013             Alan Hayward  <alan.hayward@arm.com>
1014             David Sherwood  <david.sherwood@arm.com>
1016         * coretypes.h (fixed_size_mode): Declare.
1017         (fixed_size_mode_pod): New typedef.
1018         * builtins.h (target_builtins::x_apply_args_mode)
1019         (target_builtins::x_apply_result_mode): Change type to
1020         fixed_size_mode_pod.
1021         * builtins.c (apply_args_size, apply_result_size, result_vector)
1022         (expand_builtin_apply_args_1, expand_builtin_apply)
1023         (expand_builtin_return): Update accordingly.
1025 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1027         * cse.c (hash_rtx_cb): Hash only the encoded elements.
1028         * cselib.c (cselib_hash_rtx): Likewise.
1029         * expmed.c (make_tree): Build VECTOR_CSTs directly from the
1030         CONST_VECTOR encoding.
1032 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
1033             Jeff Law  <law@redhat.com>
1035         PR target/83641
1036         * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For
1037         noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop,
1038         only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp
1039         and add REG_CFA_ADJUST_CFA notes in that case to both insns.
1041         PR target/83641
1042         * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not
1043         explicitly probe *sp in a noreturn function if there were any callee
1044         register saves or frame pointer is needed.
1046 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1048         PR debug/83621
1049         * cfgexpand.c (expand_debug_expr): Return NULL if mode is
1050         BLKmode for ternary, binary or unary expressions.
1052         PR debug/83645
1053         * var-tracking.c (delete_vta_debug_insn): New inline function.
1054         (delete_vta_debug_insns): Add USE_CFG argument, if true, walk just
1055         insns from get_insns () to NULL instead of each bb separately.
1056         Use delete_vta_debug_insn.  No longer static.
1057         (vt_debug_insns_local, variable_tracking_main_1): Adjust
1058         delete_vta_debug_insns callers.
1059         * rtl.h (delete_vta_debug_insns): Declare.
1060         * final.c (rest_of_handle_final): Call delete_vta_debug_insns
1061         instead of variable_tracking_main.
1063 2018-01-03  Martin Sebor  <msebor@redhat.com>
1065         PR tree-optimization/83603
1066         * calls.c (maybe_warn_nonstring_arg): Avoid accessing function
1067         arguments past the endof the argument list in functions declared
1068         without a prototype.
1069         * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call):
1070         Avoid checking when arguments are null.
1072 2018-01-03  Martin Sebor  <msebor@redhat.com>
1074         PR c/83559
1075         * doc/extend.texi (attribute const): Fix a typo.
1076         * ipa-pure-const.c ((warn_function_const, warn_function_pure): Avoid
1077         issuing -Wsuggest-attribute for void functions.
1079 2018-01-03  Martin Sebor  <msebor@redhat.com>
1081         * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use
1082         offset_int::from instead of wide_int::to_shwi.
1083         (maybe_diag_overlap): Remove assertion.
1084         Use HOST_WIDE_INT_PRINT_DEC instead of %lli.
1085         * gimple-ssa-sprintf.c (format_directive): Same.
1086         (parse_directive): Same.
1087         (sprintf_dom_walker::compute_format_length): Same.
1088         (try_substitute_return_value): Same.
1090 2017-01-03  Jeff Law  <law@redhat.com>
1092         PR middle-end/83654
1093         * explow.c (anti_adjust_stack_and_probe_stack_clash): Test a
1094         non-constant residual for zero at runtime and avoid probing in
1095         that case.  Reorganize code for trailing problem to mirror handling
1096         of the residual.
1098 2018-01-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1100         PR tree-optimization/83501
1101         * tree-ssa-strlen.c (get_string_cst): New.
1102         (handle_char_store): Call get_string_cst.
1104 2018-01-03  Martin Liska  <mliska@suse.cz>
1106         PR tree-optimization/83593
1107         * tree-ssa-strlen.c: Include tree-cfg.h.
1108         (strlen_check_and_optimize_stmt): Add new argument cleanup_eh.
1109         (strlen_dom_walker): Add new member variable m_cleanup_cfg.
1110         (strlen_dom_walker::strlen_dom_walker): Initialize m_cleanup_cfg
1111         to false.
1112         (strlen_dom_walker::before_dom_children): Call
1113         gimple_purge_dead_eh_edges. Dump tranformation with details
1114         dump flags.
1115         (strlen_dom_walker::before_dom_children): Update call by adding
1116         new argument cleanup_eh.
1117         (pass_strlen::execute): Return TODO_cleanup_cfg if needed.
1119 2018-01-03  Martin Liska  <mliska@suse.cz>
1121         PR ipa/83549
1122         * cif-code.def (VARIADIC_THUNK): New enum value.
1123         * ipa-fnsummary.c (compute_fn_summary): Do not inline variadic
1124         thunks.
1126 2018-01-03  Jan Beulich  <jbeulich@suse.com>
1128         * sse.md (mov<mode>_internal): Tighten condition for when to use
1129         vmovdqu<ssescalarsize> for TI and OI modes.
1131 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1133         Update copyright years.
1135 2018-01-03  Martin Liska  <mliska@suse.cz>
1137         PR ipa/83594
1138         * ipa-visibility.c (function_and_variable_visibility): Skip
1139         functions with noipa attribure.
1141 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1143         * gcc.c (process_command): Update copyright notice dates.
1144         * gcov-dump.c (print_version): Ditto.
1145         * gcov.c (print_version): Ditto.
1146         * gcov-tool.c (print_version): Ditto.
1147         * gengtype.c (create_file): Ditto.
1148         * doc/cpp.texi: Bump @copying's copyright year.
1149         * doc/cppinternals.texi: Ditto.
1150         * doc/gcc.texi: Ditto.
1151         * doc/gccint.texi: Ditto.
1152         * doc/gcov.texi: Ditto.
1153         * doc/install.texi: Ditto.
1154         * doc/invoke.texi: Ditto.
1156 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1158         * vector-builder.h (vector_builder::m_full_nelts): Change from
1159         unsigned int to poly_uint64.
1160         (vector_builder::full_nelts): Update prototype accordingly.
1161         (vector_builder::new_vector): Likewise.
1162         (vector_builder::encoded_full_vector_p): Handle polynomial full_nelts.
1163         (vector_builder::operator ==): Likewise.
1164         (vector_builder::finalize): Likewise.
1165         * int-vector-builder.h (int_vector_builder::int_vector_builder):
1166         Take the number of elements as a poly_uint64 rather than an
1167         unsigned int.
1168         * vec-perm-indices.h (vec_perm_indices::m_nelts_per_input): Change
1169         from unsigned int to poly_uint64.
1170         (vec_perm_indices::vec_perm_indices): Update prototype accordingly.
1171         (vec_perm_indices::new_vector): Likewise.
1172         (vec_perm_indices::length): Likewise.
1173         (vec_perm_indices::nelts_per_input): Likewise.
1174         (vec_perm_indices::input_nelts): Likewise.
1175         * vec-perm-indices.c (vec_perm_indices::new_vector): Take the
1176         number of elements per input as a poly_uint64 rather than an
1177         unsigned int.  Use the original encoding for variable-length
1178         vectors, rather than clamping each individual element.
1179         For the second and subsequent elements in each pattern,
1180         clamp the step and base before clamping their sum.
1181         (vec_perm_indices::series_p): Handle polynomial element counts.
1182         (vec_perm_indices::all_in_range_p): Likewise.
1183         (vec_perm_indices_to_tree): Likewise.
1184         (vec_perm_indices_to_rtx): Likewise.
1185         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
1186         * tree-vector-builder.c (tree_vector_builder::new_unary_operation)
1187         (tree_vector_builder::new_binary_operation): Handle polynomial
1188         element counts.  Return false if we need to know the number
1189         of elements at compile time.
1190         * fold-const.c (fold_vec_perm): Punt if the number of elements
1191         isn't known at compile time.
1193 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1195         * vec-perm-indices.h (vec_perm_builder): Change element type
1196         from HOST_WIDE_INT to poly_int64.
1197         (vec_perm_indices::element_type): Update accordingly.
1198         (vec_perm_indices::clamp): Handle polynomial element_types.
1199         * vec-perm-indices.c (vec_perm_indices::series_p): Likewise.
1200         (vec_perm_indices::all_in_range_p): Likewise.
1201         (tree_to_vec_perm_builder): Check for poly_int64 trees rather
1202         than shwi trees.
1203         * vector-builder.h (vector_builder::stepped_sequence_p): Handle
1204         polynomial vec_perm_indices element types.
1205         * int-vector-builder.h (int_vector_builder::equal_p): Likewise.
1206         * fold-const.c (fold_vec_perm): Likewise.
1207         * optabs.c (shift_amt_for_vec_perm_mask): Likewise.
1208         * tree-vect-generic.c (lower_vec_perm): Likewise.
1209         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
1210         * config/aarch64/aarch64.c (aarch64_evpc_tbl): Cast d->perm
1211         element type to HOST_WIDE_INT.
1213 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1214             Alan Hayward  <alan.hayward@arm.com>
1215             David Sherwood  <david.sherwood@arm.com>
1217         * alias.c (addr_side_effect_eval): Take the size as a poly_int64
1218         rather than an int.  Use plus_constant.
1219         (memrefs_conflict_p): Take the sizes as poly_int64s rather than ints.
1220         Take the offset "c" as a poly_int64 rather than a HOST_WIDE_INT.
1222 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1223             Alan Hayward  <alan.hayward@arm.com>
1224             David Sherwood  <david.sherwood@arm.com>
1226         * calls.c (emit_call_1, expand_call): Change struct_value_size from
1227         a HOST_WIDE_INT to a poly_int64.
1229 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1230             Alan Hayward  <alan.hayward@arm.com>
1231             David Sherwood  <david.sherwood@arm.com>
1233         * calls.c (load_register_parameters): Cope with polynomial
1234         mode sizes.  Require a constant size for BLKmode parameters
1235         that aren't described by a PARALLEL.  If BLOCK_REG_PADDING
1236         forces a parameter to be padded at the lsb end in order to
1237         fill a complete number of words, require the parameter size
1238         to be ordered wrt UNITS_PER_WORD.
1240 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1241             Alan Hayward  <alan.hayward@arm.com>
1242             David Sherwood  <david.sherwood@arm.com>
1244         * reload1.c (spill_stack_slot_width): Change element type
1245         from unsigned int to poly_uint64_pod.
1246         (alter_reg): Treat mode sizes as polynomial.
1248 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1249             Alan Hayward  <alan.hayward@arm.com>
1250             David Sherwood  <david.sherwood@arm.com>
1252         * reload.c (complex_word_subreg_p): New function.
1253         (reload_inner_reg_of_subreg, push_reload): Use it.
1255 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1256             Alan Hayward  <alan.hayward@arm.com>
1257             David Sherwood  <david.sherwood@arm.com>
1259         * lra-constraints.c (process_alt_operands): Reject matched
1260         operands whose sizes aren't ordered.
1261         (match_reload): Refer to this check here.
1263 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1264             Alan Hayward  <alan.hayward@arm.com>
1265             David Sherwood  <david.sherwood@arm.com>
1267         * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Assert
1268         that the mode size is in the set {1, 2, 4, 8, 16}.
1270 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1271             Alan Hayward  <alan.hayward@arm.com>
1272             David Sherwood  <david.sherwood@arm.com>
1274         * var-tracking.c (adjust_mems): Treat mode sizes as polynomial.
1275         Use plus_constant instead of gen_rtx_PLUS.
1277 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1278             Alan Hayward  <alan.hayward@arm.com>
1279             David Sherwood  <david.sherwood@arm.com>
1281         * config/cr16/cr16-protos.h (cr16_push_rounding): Declare.
1282         * config/cr16/cr16.h (PUSH_ROUNDING): Move implementation to...
1283         * config/cr16/cr16.c (cr16_push_rounding): ...this new function.
1284         * config/h8300/h8300-protos.h (h8300_push_rounding): Declare.
1285         * config/h8300/h8300.h (PUSH_ROUNDING): Move implementation to...
1286         * config/h8300/h8300.c (h8300_push_rounding): ...this new function.
1287         * config/i386/i386-protos.h (ix86_push_rounding): Declare.
1288         * config/i386/i386.h (PUSH_ROUNDING): Move implementation to...
1289         * config/i386/i386.c (ix86_push_rounding): ...this new function.
1290         * config/m32c/m32c-protos.h (m32c_push_rounding): Take and return
1291         a poly_int64.
1292         * config/m32c/m32c.c (m32c_push_rounding): Likewise.
1293         * config/m68k/m68k-protos.h (m68k_push_rounding): Declare.
1294         * config/m68k/m68k.h (PUSH_ROUNDING): Move implementation to...
1295         * config/m68k/m68k.c (m68k_push_rounding): ...this new function.
1296         * config/pdp11/pdp11-protos.h (pdp11_push_rounding): Declare.
1297         * config/pdp11/pdp11.h (PUSH_ROUNDING): Move implementation to...
1298         * config/pdp11/pdp11.c (pdp11_push_rounding): ...this new function.
1299         * config/stormy16/stormy16-protos.h (xstormy16_push_rounding): Declare.
1300         * config/stormy16/stormy16.h (PUSH_ROUNDING): Move implementation to...
1301         * config/stormy16/stormy16.c (xstormy16_push_rounding): ...this new
1302         function.
1303         * expr.c (emit_move_resolve_push): Treat the input and result
1304         of PUSH_ROUNDING as a poly_int64.
1305         (emit_move_complex_push, emit_single_push_insn_1): Likewise.
1306         (emit_push_insn): Likewise.
1307         * lra-eliminations.c (mark_not_eliminable): Likewise.
1308         * recog.c (push_operand): Likewise.
1309         * reload1.c (elimination_effects): Likewise.
1310         * rtlanal.c (nonzero_bits1): Likewise.
1311         * calls.c (store_one_arg): Likewise.  Require the padding to be
1312         known at compile time.
1314 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1315             Alan Hayward  <alan.hayward@arm.com>
1316             David Sherwood  <david.sherwood@arm.com>
1318         * expr.c (emit_single_push_insn_1): Treat mode sizes as polynomial.
1319         Use plus_constant instead of gen_rtx_PLUS.
1321 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1322             Alan Hayward  <alan.hayward@arm.com>
1323             David Sherwood  <david.sherwood@arm.com>
1325         * auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64
1326         rather than an int.
1328 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1329             Alan Hayward  <alan.hayward@arm.com>
1330             David Sherwood  <david.sherwood@arm.com>
1332         * expr.c (expand_expr_real_1): Use tree_to_poly_uint64
1333         instead of int_size_in_bytes when handling VIEW_CONVERT_EXPRs
1334         via stack temporaries.  Treat the mode size as polynomial too.
1336 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1337             Alan Hayward  <alan.hayward@arm.com>
1338             David Sherwood  <david.sherwood@arm.com>
1340         * expr.c (expand_expr_real_2): When handling conversions involving
1341         unions, apply tree_to_poly_uint64 to the TYPE_SIZE rather than
1342         multiplying int_size_in_bytes by BITS_PER_UNIT.  Treat GET_MODE_BISIZE
1343         as a poly_uint64 too.
1345 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1346             Alan Hayward  <alan.hayward@arm.com>
1347             David Sherwood  <david.sherwood@arm.com>
1349         * rtlanal.c (subreg_get_info): Handle polynomial mode sizes.
1351 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1352             Alan Hayward  <alan.hayward@arm.com>
1353             David Sherwood  <david.sherwood@arm.com>
1355         * combine.c (can_change_dest_mode): Handle polynomial
1356         REGMODE_NATURAL_SIZE.
1357         * expmed.c (store_bit_field_1): Likewise.
1358         * expr.c (store_constructor): Likewise.
1359         * emit-rtl.c (validate_subreg): Operate on polynomial mode sizes
1360         and polynomial REGMODE_NATURAL_SIZE.
1361         (gen_lowpart_common): Likewise.
1362         * reginfo.c (record_subregs_of_mode): Likewise.
1363         * rtlanal.c (read_modify_subreg_p): Likewise.
1365 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1366             Alan Hayward  <alan.hayward@arm.com>
1367             David Sherwood  <david.sherwood@arm.com>
1369         * internal-fn.c (expand_vector_ubsan_overflow): Handle polynomial
1370         numbers of elements.
1372 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1373             Alan Hayward  <alan.hayward@arm.com>
1374             David Sherwood  <david.sherwood@arm.com>
1376         * match.pd: Cope with polynomial numbers of vector elements.
1378 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1379             Alan Hayward  <alan.hayward@arm.com>
1380             David Sherwood  <david.sherwood@arm.com>
1382         * fold-const.c (fold_indirect_ref_1): Handle polynomial offsets
1383         in a POINTER_PLUS_EXPR.
1385 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1386             Alan Hayward  <alan.hayward@arm.com>
1387             David Sherwood  <david.sherwood@arm.com>
1389         * omp-simd-clone.c (simd_clone_subparts): New function.
1390         (simd_clone_init_simd_arrays): Use it instead of TYPE_VECTOR_SUBPARTS.
1391         (ipa_simd_modify_function_body): Likewise.
1393 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1394             Alan Hayward  <alan.hayward@arm.com>
1395             David Sherwood  <david.sherwood@arm.com>
1397         * tree-vect-generic.c (nunits_for_known_piecewise_op): New function.
1398         (expand_vector_piecewise): Use it instead of TYPE_VECTOR_SUBPARTS.
1399         (expand_vector_addition, add_rshift, expand_vector_divmod): Likewise.
1400         (expand_vector_condition, vector_element): Likewise.
1401         (subparts_gt): New function.
1402         (get_compute_type): Use subparts_gt.
1403         (count_type_subparts): Delete.
1404         (expand_vector_operations_1): Use subparts_gt instead of
1405         count_type_subparts.
1407 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1408             Alan Hayward  <alan.hayward@arm.com>
1409             David Sherwood  <david.sherwood@arm.com>
1411         * tree-vect-data-refs.c (vect_no_alias_p): Replace with...
1412         (vect_compile_time_alias): ...this new function.  Do the calculation
1413         on poly_ints rather than trees.
1414         (vect_prune_runtime_alias_test_list): Update call accordingly.
1416 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1417             Alan Hayward  <alan.hayward@arm.com>
1418             David Sherwood  <david.sherwood@arm.com>
1420         * tree-vect-slp.c (vect_build_slp_tree_1): Handle polynomial
1421         numbers of units.
1422         (vect_schedule_slp_instance): Likewise.
1424 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1425             Alan Hayward  <alan.hayward@arm.com>
1426             David Sherwood  <david.sherwood@arm.com>
1428         * tree-vect-slp.c (vect_get_and_check_slp_defs): Reject
1429         constant and extern definitions for variable-length vectors.
1430         (vect_get_constant_vectors): Note that the number of units
1431         is known to be constant.
1433 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1434             Alan Hayward  <alan.hayward@arm.com>
1435             David Sherwood  <david.sherwood@arm.com>
1437         * tree-vect-stmts.c (vectorizable_conversion): Treat the number
1438         of units as polynomial.  Choose between WIDE and NARROW based
1439         on multiple_p.
1441 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1442             Alan Hayward  <alan.hayward@arm.com>
1443             David Sherwood  <david.sherwood@arm.com>
1445         * tree-vect-stmts.c (simd_clone_subparts): New function.
1446         (vectorizable_simd_clone_call): Use it instead of TYPE_VECTOR_SUBPARTS.
1448 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1449             Alan Hayward  <alan.hayward@arm.com>
1450             David Sherwood  <david.sherwood@arm.com>
1452         * tree-vect-stmts.c (vectorizable_call): Treat the number of
1453         vectors as polynomial.  Use build_index_vector for
1454         IFN_GOMP_SIMD_LANE.
1456 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1457             Alan Hayward  <alan.hayward@arm.com>
1458             David Sherwood  <david.sherwood@arm.com>
1460         * tree-vect-stmts.c (get_load_store_type): Treat the number of
1461         units as polynomial.  Reject VMAT_ELEMENTWISE and VMAT_STRIDED_SLP
1462         for variable-length vectors.
1463         (vectorizable_mask_load_store): Treat the number of units as
1464         polynomial, asserting that it is constant if the condition has
1465         already been enforced.
1466         (vectorizable_store, vectorizable_load): Likewise.
1468 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1469             Alan Hayward  <alan.hayward@arm.com>
1470             David Sherwood  <david.sherwood@arm.com>
1472         * tree-vect-loop.c (vectorizable_live_operation): Treat the number
1473         of units as polynomial.  Punt if we can't tell at compile time
1474         which vector contains the final result.
1476 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1477             Alan Hayward  <alan.hayward@arm.com>
1478             David Sherwood  <david.sherwood@arm.com>
1480         * tree-vect-loop.c (vectorizable_induction): Treat the number
1481         of units as polynomial.  Punt on SLP inductions.  Use an integer
1482         VEC_SERIES_EXPR for variable-length integer reductions.  Use a
1483         cast of such a series for variable-length floating-point
1484         reductions.
1486 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1487             Alan Hayward  <alan.hayward@arm.com>
1488             David Sherwood  <david.sherwood@arm.com>
1490         * tree.h (build_index_vector): Declare.
1491         * tree.c (build_index_vector): New function.
1492         * tree-vect-loop.c (get_initial_defs_for_reduction): Treat the number
1493         of units as polynomial, forcibly converting it to a constant if
1494         vectorizable_reduction has already enforced the condition.
1495         (vect_create_epilog_for_reduction): Likewise.  Use build_index_vector
1496         to create a {1,2,3,...} vector.
1497         (vectorizable_reduction): Treat the number of units as polynomial.
1498         Choose vectype_in based on the largest scalar element size rather
1499         than the smallest number of units.  Enforce the restrictions
1500         relied on above.
1502 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1503             Alan Hayward  <alan.hayward@arm.com>
1504             David Sherwood  <david.sherwood@arm.com>
1506         * tree-vect-data-refs.c (vector_alignment_reachable_p): Treat the
1507         number of units as polynomial.
1509 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1510             Alan Hayward  <alan.hayward@arm.com>
1511             David Sherwood  <david.sherwood@arm.com>
1513         * target.h (vector_sizes, auto_vector_sizes): New typedefs.
1514         * target.def (autovectorize_vector_sizes): Return the vector sizes
1515         by pointer, using vector_sizes rather than a bitmask.
1516         * targhooks.h (default_autovectorize_vector_sizes): Update accordingly.
1517         * targhooks.c (default_autovectorize_vector_sizes): Likewise.
1518         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes):
1519         Likewise.
1520         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1521         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1522         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.
1523         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1524         * omp-general.c (omp_max_vf): Likewise.
1525         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1526         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1527         * tree-vect-loop.c (vect_analyze_loop): Likewise.
1528         * tree-vect-slp.c (vect_slp_bb): Likewise.
1529         * doc/tm.texi: Regenerate.
1530         * tree-vectorizer.h (current_vector_size): Change from an unsigned int
1531         to a poly_uint64.
1532         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Take
1533         the vector size as a poly_uint64 rather than an unsigned int.
1534         (current_vector_size): Change from an unsigned int to a poly_uint64.
1535         (get_vectype_for_scalar_type): Update accordingly.
1536         * tree.h (build_truth_vector_type): Take the size and number of
1537         units as a poly_uint64 rather than an unsigned int.
1538         (build_vector_type): Add a temporary overload that takes
1539         the number of units as a poly_uint64 rather than an unsigned int.
1540         * tree.c (make_vector_type): Likewise.
1541         (build_truth_vector_type): Take the number of units as a poly_uint64
1542         rather than an unsigned int.
1544 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1545             Alan Hayward  <alan.hayward@arm.com>
1546             David Sherwood  <david.sherwood@arm.com>
1548         * target.def (get_mask_mode): Take the number of units and length
1549         as poly_uint64s rather than unsigned ints.
1550         * targhooks.h (default_get_mask_mode): Update accordingly.
1551         * targhooks.c (default_get_mask_mode): Likewise.
1552         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
1553         * doc/tm.texi: Regenerate.
1555 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1556             Alan Hayward  <alan.hayward@arm.com>
1557             David Sherwood  <david.sherwood@arm.com>
1559         * omp-general.h (omp_max_vf): Return a poly_uint64 instead of an int.
1560         * omp-general.c (omp_max_vf): Likewise.
1561         * omp-expand.c (omp_adjust_chunk_size): Update call to omp_max_vf.
1562         (expand_omp_simd): Handle polynomial safelen.
1563         * omp-low.c (omplow_simd_context): Add a default constructor.
1564         (omplow_simd_context::max_vf): Change from int to poly_uint64.
1565         (lower_rec_simd_input_clauses): Update accordingly.
1566         (lower_rec_input_clauses): Likewise.
1568 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1569             Alan Hayward  <alan.hayward@arm.com>
1570             David Sherwood  <david.sherwood@arm.com>
1572         * tree-vectorizer.h (vect_nunits_for_cost): New function.
1573         * tree-vect-loop.c (vect_model_reduction_cost): Use it.
1574         * tree-vect-slp.c (vect_analyze_slp_cost_1): Likewise.
1575         (vect_analyze_slp_cost): Likewise.
1576         * tree-vect-stmts.c (vect_model_store_cost): Likewise.
1577         (vect_model_load_cost): Likewise.
1579 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1580             Alan Hayward  <alan.hayward@arm.com>
1581             David Sherwood  <david.sherwood@arm.com>
1583         * tree-vect-slp.c (vect_record_max_nunits, vect_build_slp_tree_1)
1584         (vect_build_slp_tree_2, vect_build_slp_tree): Change max_nunits
1585         from an unsigned int * to a poly_uint64_pod *.
1586         (calculate_unrolling_factor): New function.
1587         (vect_analyze_slp_instance): Use it.  Track polynomial max_nunits.
1589 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1590             Alan Hayward  <alan.hayward@arm.com>
1591             David Sherwood  <david.sherwood@arm.com>
1593         * tree-vectorizer.h (_slp_instance::unrolling_factor): Change
1594         from an unsigned int to a poly_uint64.
1595         (_loop_vec_info::slp_unrolling_factor): Likewise.
1596         (_loop_vec_info::vectorization_factor): Change from an int
1597         to a poly_uint64.
1598         (MAX_VECTORIZATION_FACTOR): Bump from 64 to INT_MAX.
1599         (vect_get_num_vectors): New function.
1600         (vect_update_max_nunits, vect_vf_for_cost): Likewise.
1601         (vect_get_num_copies): Use vect_get_num_vectors.
1602         (vect_analyze_data_ref_dependences): Change max_vf from an int *
1603         to an unsigned int *.
1604         (vect_analyze_data_refs): Change min_vf from an int * to a
1605         poly_uint64 *.
1606         (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather
1607         than an unsigned HOST_WIDE_INT.
1608         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr)
1609         (vect_analyze_data_ref_dependence): Change max_vf from an int *
1610         to an unsigned int *.
1611         (vect_analyze_data_ref_dependences): Likewise.
1612         (vect_compute_data_ref_alignment): Handle polynomial vf.
1613         (vect_enhance_data_refs_alignment): Likewise.
1614         (vect_prune_runtime_alias_test_list): Likewise.
1615         (vect_shift_permute_load_chain): Likewise.
1616         (vect_supportable_dr_alignment): Likewise.
1617         (dependence_distance_ge_vf): Take the vectorization factor as a
1618         poly_uint64 rather than an unsigned HOST_WIDE_INT.
1619         (vect_analyze_data_refs): Change min_vf from an int * to a
1620         poly_uint64 *.
1621         * tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Take
1622         vfm1 as a poly_uint64 rather than an int.  Make the same change
1623         for the returned bound_scalar.
1624         (vect_gen_vector_loop_niters): Handle polynomial vf.
1625         (vect_do_peeling): Likewise.  Update call to
1626         vect_gen_scalar_loop_niters and handle polynomial bound_scalars.
1627         (vect_gen_vector_loop_niters_mult_vf): Assert that the vf must
1628         be constant.
1629         * tree-vect-loop.c (vect_determine_vectorization_factor)
1630         (vect_update_vf_for_slp, vect_analyze_loop_2): Handle polynomial vf.
1631         (vect_get_known_peeling_cost): Likewise.
1632         (vect_estimate_min_profitable_iters, vectorizable_reduction): Likewise.
1633         (vect_worthwhile_without_simd_p, vectorizable_induction): Likewise.
1634         (vect_transform_loop): Likewise.  Use the lowest possible VF when
1635         updating the upper bounds of the loop.
1636         (vect_min_worthwhile_factor): Make static.  Return an unsigned int
1637         rather than an int.
1638         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Cope with
1639         polynomial unroll factors.
1640         (vect_analyze_slp_cost_1, vect_analyze_slp_instance): Likewise.
1641         (vect_make_slp_decision): Likewise.
1642         (vect_supported_load_permutation_p): Likewise, and polynomial
1643         vf too.
1644         (vect_analyze_slp_cost): Handle polynomial vf.
1645         (vect_slp_analyze_node_operations): Likewise.
1646         (vect_slp_analyze_bb_1): Likewise.
1647         (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather
1648         than an unsigned HOST_WIDE_INT.
1649         * tree-vect-stmts.c (vectorizable_simd_clone_call, vectorizable_store)
1650         (vectorizable_load): Handle polynomial vf.
1651         * tree-vectorizer.c (simduid_to_vf::vf): Change from an int to
1652         a poly_uint64.
1653         (adjust_simduid_builtins, shrink_simd_arrays): Update accordingly.
1655 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1656             Alan Hayward  <alan.hayward@arm.com>
1657             David Sherwood  <david.sherwood@arm.com>
1659         * match.pd: Handle bit operations involving three constants
1660         and try to fold one pair.
1662 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1664         * tree-vect-loop-manip.c: Include gimple-fold.h.
1665         (slpeel_make_loop_iterate_ntimes): Add step, final_iv and
1666         niters_maybe_zero parameters.  Handle other cases besides a step of 1.
1667         (vect_gen_vector_loop_niters): Add a step_vector_ptr parameter.
1668         Add a path that uses a step of VF instead of 1, but disable it
1669         for now.
1670         (vect_do_peeling): Add step_vector, niters_vector_mult_vf_var
1671         and niters_no_overflow parameters.  Update calls to
1672         slpeel_make_loop_iterate_ntimes and vect_gen_vector_loop_niters.
1673         Create a new SSA name if the latter choses to use a ste other
1674         than zero, and return it via niters_vector_mult_vf_var.
1675         * tree-vect-loop.c (vect_transform_loop): Update calls to
1676         vect_do_peeling, vect_gen_vector_loop_niters and
1677         slpeel_make_loop_iterate_ntimes.
1678         * tree-vectorizer.h (slpeel_make_loop_iterate_ntimes, vect_do_peeling)
1679         (vect_gen_vector_loop_niters): Update declarations after above changes.
1681 2018-01-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1683         * config/rs6000/rs6000.md (floor<mode>2): Add support for IEEE
1684         128-bit round to integer instructions.
1685         (ceil<mode>2): Likewise.
1686         (btrunc<mode>2): Likewise.
1687         (round<mode>2): Likewise.
1689 2018-01-02  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1691         * config/rs6000/rs6000-string.c (expand_block_move): Allow the use of
1692         unaligned VSX load/store on P8/P9.
1693         (expand_block_clear): Allow the use of unaligned VSX
1694         load/store on P8/P9.
1696 2018-01-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1698         * config/rs6000/rs6000-p8swap.c (swap_feeds_both_load_and_store):
1699         New function.
1700         (rs6000_analyze_swaps): Mark a web unoptimizable if it contains a
1701         swap associated with both a load and a store.
1703 2018-01-02  Andrew Waterman  <andrew@sifive.com>
1705         * config/riscv/linux.h (ICACHE_FLUSH_FUNC): New.
1706         * config/riscv/riscv.md (clear_cache): Use it.
1708 2018-01-02  Artyom Skrobov  <tyomitch@gmail.com>
1710         * web.c: Remove out-of-date comment.
1712 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1714         * expr.c (fixup_args_size_notes): Check that any existing
1715         REG_ARGS_SIZE notes are correct, and don't try to re-add them.
1716         (emit_single_push_insn_1): Move stack_pointer_delta adjustment to...
1717         (emit_single_push_insn): ...here.
1719 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1721         * rtl.h (CONST_VECTOR_ELT): Redefine to const_vector_elt.
1722         (const_vector_encoded_nelts): New function.
1723         (CONST_VECTOR_NUNITS): Redefine to use GET_MODE_NUNITS.
1724         (const_vector_int_elt, const_vector_elt): Declare.
1725         * emit-rtl.c (const_vector_int_elt_1): New function.
1726         (const_vector_elt): Likewise.
1727         * simplify-rtx.c (simplify_immed_subreg): Avoid taking the address
1728         of CONST_VECTOR_ELT.
1730 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1732         * expr.c: Include rtx-vector-builder.h.
1733         (const_vector_mask_from_tree): Use rtx_vector_builder and operate
1734         directly on the tree encoding.
1735         (const_vector_from_tree): Likewise.
1736         * optabs.c: Include rtx-vector-builder.h.
1737         (expand_vec_perm_var): Use rtx_vector_builder and create a repeating
1738         sequence of "u" values.
1739         * vec-perm-indices.c: Include rtx-vector-builder.h.
1740         (vec_perm_indices_to_rtx): Use rtx_vector_builder and operate
1741         directly on the vec_perm_indices encoding.
1743 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1745         * doc/rtl.texi (const_vector): Describe new encoding scheme.
1746         * Makefile.in (OBJS): Add rtx-vector-builder.o.
1747         * rtx-vector-builder.h: New file.
1748         * rtx-vector-builder.c: Likewise.
1749         * rtl.h (rtx_def::u2): Add a const_vector field.
1750         (CONST_VECTOR_NPATTERNS): New macro.
1751         (CONST_VECTOR_NELTS_PER_PATTERN): Likewise.
1752         (CONST_VECTOR_DUPLICATE_P): Likewise.
1753         (CONST_VECTOR_STEPPED_P): Likewise.
1754         (CONST_VECTOR_ENCODED_ELT): Likewise.
1755         (const_vec_duplicate_p): Check for a duplicated vector encoding.
1756         (unwrap_const_vec_duplicate): Likewise.
1757         (const_vec_series_p): Check for a non-duplicated vector encoding.
1758         Say that the function only returns true for integer vectors.
1759         * emit-rtl.c: Include rtx-vector-builder.h.
1760         (gen_const_vec_duplicate_1): Delete.
1761         (gen_const_vector): Call gen_const_vec_duplicate instead of
1762         gen_const_vec_duplicate_1.
1763         (const_vec_series_p_1): Operate directly on the CONST_VECTOR encoding.
1764         (gen_const_vec_duplicate): Use rtx_vector_builder.
1765         (gen_const_vec_series): Likewise.
1766         (gen_rtx_CONST_VECTOR): Likewise.
1767         * config/powerpcspe/powerpcspe.c: Include rtx-vector-builder.h.
1768         (swap_const_vector_halves): Take an rtx pointer rather than rtx.
1769         Build a new vector rather than modifying a CONST_VECTOR in-place.
1770         (handle_special_swappables): Update call accordingly.
1771         * config/rs6000/rs6000-p8swap.c: Include rtx-vector-builder.h.
1772         (swap_const_vector_halves): Take an rtx pointer rather than rtx.
1773         Build a new vector rather than modifying a CONST_VECTOR in-place.
1774         (handle_special_swappables): Update call accordingly.
1776 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1778         * simplify-rtx.c (simplify_const_binary_operation): Use
1779         CONST_VECTOR_ELT instead of XVECEXP.
1781 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1783         * tree-cfg.c (verify_gimple_assign_ternary): Allow the size of
1784         the selector elements to be different from the data elements
1785         if the selector is a VECTOR_CST.
1786         * tree-vect-stmts.c (vect_gen_perm_mask_any): Use a vector of
1787         ssizetype for the selector.
1789 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1791         * optabs.c (shift_amt_for_vec_perm_mask): Try using series_p
1792         before testing each element individually.
1793         * tree-vect-generic.c (lower_vec_perm): Likewise.
1795 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1797         * selftest.h (selftest::vec_perm_indices_c_tests): Declare.
1798         * selftest-run-tests.c (selftest::run_tests): Call it.
1799         * vector-builder.h (vector_builder::operator ==): New function.
1800         (vector_builder::operator !=): Likewise.
1801         * vec-perm-indices.h (vec_perm_indices::series_p): Declare.
1802         (vec_perm_indices::all_from_input_p): New function.
1803         * vec-perm-indices.c (vec_perm_indices::series_p): Likewise.
1804         (test_vec_perm_12, selftest::vec_perm_indices_c_tests): Likewise.
1805         * fold-const.c (fold_ternary_loc): Use tree_to_vec_perm_builder
1806         instead of reading the VECTOR_CST directly.  Detect whether both
1807         vector inputs are the same before constructing the vec_perm_indices,
1808         and update the number of inputs argument accordingly.  Use the
1809         utility functions added above.  Only construct sel2 if we need to.
1811 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1813         * optabs.c (expand_vec_perm_var): Use an explicit encoding for
1814         the broadcast of the low byte.
1815         (expand_mult_highpart): Use an explicit encoding for the permutes.
1816         * optabs-query.c (can_mult_highpart_p): Likewise.
1817         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
1818         * tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
1819         (vectorizable_bswap): Likewise.
1820         * tree-vect-data-refs.c (vect_grouped_store_supported): Use an
1821         explicit encoding for the power-of-2 permutes.
1822         (vect_permute_store_chain): Likewise.
1823         (vect_grouped_load_supported): Likewise.
1824         (vect_permute_load_chain): Likewise.
1826 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1828         * vec-perm-indices.h (vec_perm_indices_to_tree): Declare.
1829         * vec-perm-indices.c (vec_perm_indices_to_tree): New function.
1830         * tree-ssa-forwprop.c (simplify_vector_constructor): Use it.
1831         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
1832         * tree-vect-stmts.c (vectorizable_bswap): Likewise.
1833         (vect_gen_perm_mask_any): Likewise.
1835 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1837         * int-vector-builder.h: New file.
1838         * vec-perm-indices.h: Include int-vector-builder.h.
1839         (vec_perm_indices): Redefine as an int_vector_builder.
1840         (auto_vec_perm_indices): Delete.
1841         (vec_perm_builder): Redefine as a stand-alone class.
1842         (vec_perm_indices::vec_perm_indices): New function.
1843         (vec_perm_indices::clamp): Likewise.
1844         * vec-perm-indices.c: Include fold-const.h and tree-vector-builder.h.
1845         (vec_perm_indices::new_vector): New function.
1846         (vec_perm_indices::new_expanded_vector): Update for new
1847         vec_perm_indices class.
1848         (vec_perm_indices::rotate_inputs): New function.
1849         (vec_perm_indices::all_in_range_p): Operate directly on the
1850         encoded form, without computing elided elements.
1851         (tree_to_vec_perm_builder): Operate directly on the VECTOR_CST
1852         encoding.  Update for new vec_perm_indices class.
1853         * optabs.c (expand_vec_perm_const): Create a vec_perm_indices for
1854         the given vec_perm_builder.
1855         (expand_vec_perm_var): Update vec_perm_builder constructor.
1856         (expand_mult_highpart): Use vec_perm_builder instead of
1857         auto_vec_perm_indices.
1858         * optabs-query.c (can_mult_highpart_p): Use vec_perm_builder and
1859         vec_perm_indices instead of auto_vec_perm_indices.  Use a single
1860         or double series encoding as appropriate.
1861         * fold-const.c (fold_ternary_loc): Use vec_perm_builder and
1862         vec_perm_indices instead of auto_vec_perm_indices.
1863         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
1864         * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
1865         (vect_permute_store_chain): Likewise.
1866         (vect_grouped_load_supported): Likewise.
1867         (vect_permute_load_chain): Likewise.
1868         (vect_shift_permute_load_chain): Likewise.
1869         * tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
1870         (vect_transform_slp_perm_load): Likewise.
1871         (vect_schedule_slp_instance): Likewise.
1872         * tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
1873         (vectorizable_mask_load_store): Likewise.
1874         (vectorizable_bswap): Likewise.
1875         (vectorizable_store): Likewise.
1876         (vectorizable_load): Likewise.
1877         * tree-vect-generic.c (lower_vec_perm): Use vec_perm_builder and
1878         vec_perm_indices instead of auto_vec_perm_indices.  Use
1879         tree_to_vec_perm_builder to read the vector from a tree.
1880         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Take a
1881         vec_perm_builder instead of a vec_perm_indices.
1882         (have_whole_vector_shift): Use vec_perm_builder and
1883         vec_perm_indices instead of auto_vec_perm_indices.  Leave the
1884         truncation to calc_vec_perm_mask_for_shift.
1885         (vect_create_epilog_for_reduction): Likewise.
1886         * config/aarch64/aarch64.c (expand_vec_perm_d::perm): Change
1887         from auto_vec_perm_indices to vec_perm_indices.
1888         (aarch64_expand_vec_perm_const_1): Use rotate_inputs on d.perm
1889         instead of changing individual elements.
1890         (aarch64_vectorize_vec_perm_const): Use new_vector to install
1891         the vector in d.perm.
1892         * config/arm/arm.c (expand_vec_perm_d::perm): Change
1893         from auto_vec_perm_indices to vec_perm_indices.
1894         (arm_expand_vec_perm_const_1): Use rotate_inputs on d.perm
1895         instead of changing individual elements.
1896         (arm_vectorize_vec_perm_const): Use new_vector to install
1897         the vector in d.perm.
1898         * config/powerpcspe/powerpcspe.c (rs6000_expand_extract_even):
1899         Update vec_perm_builder constructor.
1900         (rs6000_expand_interleave): Likewise.
1901         * config/rs6000/rs6000.c (rs6000_expand_extract_even): Likewise.
1902         (rs6000_expand_interleave): Likewise.
1904 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1906         * optabs-query.c (can_vec_perm_var_p): Check whether lowering
1907         to qimode could truncate the indices.
1908         * optabs.c (expand_vec_perm_var): Likewise.
1910 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
1912         * Makefile.in (OBJS): Add vec-perm-indices.o.
1913         * vec-perm-indices.h: New file.
1914         * vec-perm-indices.c: Likewise.
1915         * target.h (vec_perm_indices): Replace with a forward class
1916         declaration.
1917         (auto_vec_perm_indices): Move to vec-perm-indices.h.
1918         * optabs.h: Include vec-perm-indices.h.
1919         (expand_vec_perm): Delete.
1920         (selector_fits_mode_p, expand_vec_perm_var): Declare.
1921         (expand_vec_perm_const): Declare.
1922         * target.def (vec_perm_const_ok): Replace with...
1923         (vec_perm_const): ...this new hook.
1924         * doc/tm.texi.in (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Replace with...
1925         (TARGET_VECTORIZE_VEC_PERM_CONST): ...this new hook.
1926         * doc/tm.texi: Regenerate.
1927         * optabs.def (vec_perm_const): Delete.
1928         * doc/md.texi (vec_perm_const): Likewise.
1929         (vec_perm): Refer to TARGET_VECTORIZE_VEC_PERM_CONST.
1930         * expr.c (expand_expr_real_2): Use expand_vec_perm_const rather than
1931         expand_vec_perm for constant permutation vectors.  Assert that
1932         the mode of variable permutation vectors is the integer equivalent
1933         of the mode that is being permuted.
1934         * optabs-query.h (selector_fits_mode_p): Declare.
1935         * optabs-query.c: Include vec-perm-indices.h.
1936         (selector_fits_mode_p): New function.
1937         (can_vec_perm_const_p): Check whether targetm.vectorize.vec_perm_const
1938         is defined, instead of checking whether the vec_perm_const_optab
1939         exists.  Use targetm.vectorize.vec_perm_const instead of
1940         targetm.vectorize.vec_perm_const_ok.  Check whether the indices
1941         fit in the vector mode before using a variable permute.
1942         * optabs.c (shift_amt_for_vec_perm_mask): Take a mode and a
1943         vec_perm_indices instead of an rtx.
1944         (expand_vec_perm): Replace with...
1945         (expand_vec_perm_const): ...this new function.  Take the selector
1946         as a vec_perm_indices rather than an rtx.  Also take the mode of
1947         the selector.  Update call to shift_amt_for_vec_perm_mask.
1948         Use targetm.vectorize.vec_perm_const instead of vec_perm_const_optab.
1949         Use vec_perm_indices::new_expanded_vector to expand the original
1950         selector into bytes.  Check whether the indices fit in the vector
1951         mode before using a variable permute.
1952         (expand_vec_perm_var): Make global.
1953         (expand_mult_highpart): Use expand_vec_perm_const.
1954         * fold-const.c: Includes vec-perm-indices.h.
1955         * tree-ssa-forwprop.c: Likewise.
1956         * tree-vect-data-refs.c: Likewise.
1957         * tree-vect-generic.c: Likewise.
1958         * tree-vect-loop.c: Likewise.
1959         * tree-vect-slp.c: Likewise.
1960         * tree-vect-stmts.c: Likewise.
1961         * config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm_const):
1962         Delete.
1963         * config/aarch64/aarch64-simd.md (vec_perm_const<mode>): Delete.
1964         * config/aarch64/aarch64.c (aarch64_expand_vec_perm_const)
1965         (aarch64_vectorize_vec_perm_const_ok): Fuse into...
1966         (aarch64_vectorize_vec_perm_const): ...this new function.
1967         (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
1968         (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
1969         * config/arm/arm-protos.h (arm_expand_vec_perm_const): Delete.
1970         * config/arm/vec-common.md (vec_perm_const<mode>): Delete.
1971         * config/arm/arm.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
1972         (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
1973         (arm_expand_vec_perm_const, arm_vectorize_vec_perm_const_ok): Merge
1974         into...
1975         (arm_vectorize_vec_perm_const): ...this new function.  Explicitly
1976         check for NEON modes.
1977         * config/i386/i386-protos.h (ix86_expand_vec_perm_const): Delete.
1978         * config/i386/sse.md (VEC_PERM_CONST, vec_perm_const<mode>): Delete.
1979         * config/i386/i386.c (ix86_expand_vec_perm_const_1): Update comment.
1980         (ix86_expand_vec_perm_const, ix86_vectorize_vec_perm_const_ok): Merge
1981         into...
1982         (ix86_vectorize_vec_perm_const): ...this new function.  Incorporate
1983         the old VEC_PERM_CONST conditions.
1984         * config/ia64/ia64-protos.h (ia64_expand_vec_perm_const): Delete.
1985         * config/ia64/vect.md (vec_perm_const<mode>): Delete.
1986         * config/ia64/ia64.c (ia64_expand_vec_perm_const)
1987         (ia64_vectorize_vec_perm_const_ok): Merge into...
1988         (ia64_vectorize_vec_perm_const): ...this new function.
1989         * config/mips/loongson.md (vec_perm_const<mode>): Delete.
1990         * config/mips/mips-msa.md (vec_perm_const<mode>): Delete.
1991         * config/mips/mips-ps-3d.md (vec_perm_constv2sf): Delete.
1992         * config/mips/mips-protos.h (mips_expand_vec_perm_const): Delete.
1993         * config/mips/mips.c (mips_expand_vec_perm_const)
1994         (mips_vectorize_vec_perm_const_ok): Merge into...
1995         (mips_vectorize_vec_perm_const): ...this new function.
1996         * config/powerpcspe/altivec.md (vec_perm_constv16qi): Delete.
1997         * config/powerpcspe/paired.md (vec_perm_constv2sf): Delete.
1998         * config/powerpcspe/spe.md (vec_perm_constv2si): Delete.
1999         * config/powerpcspe/vsx.md (vec_perm_const<mode>): Delete.
2000         * config/powerpcspe/powerpcspe-protos.h (altivec_expand_vec_perm_const)
2001         (rs6000_expand_vec_perm_const): Delete.
2002         * config/powerpcspe/powerpcspe.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK):
2003         Delete.
2004         (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
2005         (altivec_expand_vec_perm_const_le): Take each operand individually.
2006         Operate on constant selectors rather than rtxes.
2007         (altivec_expand_vec_perm_const): Likewise.  Update call to
2008         altivec_expand_vec_perm_const_le.
2009         (rs6000_expand_vec_perm_const): Delete.
2010         (rs6000_vectorize_vec_perm_const_ok): Delete.
2011         (rs6000_vectorize_vec_perm_const): New function.
2012         (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of
2013         an element count and rtx array.
2014         (rs6000_expand_extract_even): Update call accordingly.
2015         (rs6000_expand_interleave): Likewise.
2016         * config/rs6000/altivec.md (vec_perm_constv16qi): Delete.
2017         * config/rs6000/paired.md (vec_perm_constv2sf): Delete.
2018         * config/rs6000/vsx.md (vec_perm_const<mode>): Delete.
2019         * config/rs6000/rs6000-protos.h (altivec_expand_vec_perm_const)
2020         (rs6000_expand_vec_perm_const): Delete.
2021         * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
2022         (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
2023         (altivec_expand_vec_perm_const_le): Take each operand individually.
2024         Operate on constant selectors rather than rtxes.
2025         (altivec_expand_vec_perm_const): Likewise.  Update call to
2026         altivec_expand_vec_perm_const_le.
2027         (rs6000_expand_vec_perm_const): Delete.
2028         (rs6000_vectorize_vec_perm_const_ok): Delete.
2029         (rs6000_vectorize_vec_perm_const): New function.  Remove stray
2030         reference to the SPE evmerge intructions.
2031         (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of
2032         an element count and rtx array.
2033         (rs6000_expand_extract_even): Update call accordingly.
2034         (rs6000_expand_interleave): Likewise.
2035         * config/sparc/sparc.md (vec_perm_constv8qi): Delete in favor of...
2036         * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): ...this
2037         new function.
2038         (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
2040 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
2042         * optabs.c (expand_vec_perm_1): Assert that SEL has an integer
2043         vector mode and that that mode matches the mode of the data
2044         being permuted.
2045         (expand_vec_perm): Split handling of non-CONST_VECTOR selectors
2046         out into expand_vec_perm_var.  Do all CONST_VECTOR handling here,
2047         directly using expand_vec_perm_1 when forcing selectors into
2048         registers.
2049         (expand_vec_perm_var): New function, split out from expand_vec_perm.
2051 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
2053         * optabs-query.h (can_vec_perm_p): Delete.
2054         (can_vec_perm_var_p, can_vec_perm_const_p): Declare.
2055         * optabs-query.c (can_vec_perm_p): Split into...
2056         (can_vec_perm_var_p, can_vec_perm_const_p): ...these two functions.
2057         (can_mult_highpart_p): Use can_vec_perm_const_p to test whether a
2058         particular selector is valid.
2059         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
2060         * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
2061         (vect_grouped_load_supported): Likewise.
2062         (vect_shift_permute_load_chain): Likewise.
2063         * tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
2064         (vect_transform_slp_perm_load): Likewise.
2065         * tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
2066         (vectorizable_bswap): Likewise.
2067         (vect_gen_perm_mask_checked): Likewise.
2068         * fold-const.c (fold_ternary_loc): Likewise.  Don't take
2069         implementations of variable permutation vectors into account
2070         when deciding which selector to use.
2071         * tree-vect-loop.c (have_whole_vector_shift): Don't check whether
2072         vec_perm_const_optab is supported; instead use can_vec_perm_const_p
2073         with a false third argument.
2074         * tree-vect-generic.c (lower_vec_perm): Use can_vec_perm_const_p
2075         to test whether the constant selector is valid and can_vec_perm_var_p
2076         to test whether a variable selector is valid.
2078 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
2080         * optabs-query.h (can_vec_perm_p): Take a const vec_perm_indices *.
2081         * optabs-query.c (can_vec_perm_p): Likewise.
2082         * fold-const.c (fold_vec_perm): Take a const vec_perm_indices &
2083         instead of vec_perm_indices.
2084         * tree-vectorizer.h (vect_gen_perm_mask_any): Likewise,
2085         (vect_gen_perm_mask_checked): Likewise,
2086         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise,
2087         (vect_gen_perm_mask_checked): Likewise,
2089 2018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
2091         * optabs-query.h (qimode_for_vec_perm): Declare.
2092         * optabs-query.c (can_vec_perm_p): Split out qimode search to...
2093         (qimode_for_vec_perm): ...this new function.
2094         * optabs.c (expand_vec_perm): Use qimode_for_vec_perm.
2096 2018-01-02  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2098         * rtlanal.c (canonicalize_condition): Return 0 if final rtx
2099         does not have a conditional at the top.
2101 2018-01-02  Richard Biener  <rguenther@suse.de>
2103         * ipa-inline.c (big_speedup_p): Fix expression.
2105 2018-01-02  Jan Hubicka  <hubicka@ucw.cz>
2107         PR target/81616
2108         * config/i386/x86-tune-costs.h: Increase cost of integer load costs
2109         for generic 4->6.
2111 2018-01-02  Jan Hubicka  <hubicka@ucw.cz>
2113         PR target/81616
2114         Generic tuning.
2115         * x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17,
2116         cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14
2117         and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase
2118         cond_taken_branch_cost 3->4.
2120 2018-01-01  Jakub Jelinek  <jakub@redhat.com>
2122         PR tree-optimization/83581
2123         * tree-loop-distribution.c (pass_loop_distribution::execute): Return
2124         TODO_cleanup_cfg if any changes have been made.
2126         PR middle-end/83608
2127         * expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of
2128         convert_modes if target mode has the right side, but different mode
2129         class.
2131         PR middle-end/83609
2132         * expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg
2133         last argument when extracting from CONCAT.  If either from_real or
2134         from_imag is NULL, use expansion through memory.  If result is not
2135         a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg
2136         the parts directly to inner mode, if even that fails, use expansion
2137         through memory.
2139         PR middle-end/83623
2140         * expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT,
2141         check for bswap in mode rather than HImode and use that in expand_unop
2142         too.
2144 Copyright (C) 2018 Free Software Foundation, Inc.
2146 Copying and distribution of this file, with or without modification,
2147 are permitted in any medium without royalty provided the copyright
2148 notice and this notice are preserved.