2018-01-09 Carl Love * config/rs6002/altivec.md (p8_vmrgow): Add support for V2DI, V2DF, V4SI, V4SF types. (p8_vmrgew): Add support for V2DI, V2DF, V4SF types. * config/rs6000/rs6000-builtin.def: Add definitions for FLOAT2_V2DF, VMRGEW_V2DI, VMRGEW_V2DF, VMRGEW_V4SF, VMRGOW_V4SI, VMRGOW_V4SF, VMRGOW_V2DI, VMRGOW_V2DF. Remove definition for VMRGOW. * config/rs6000/rs6000-c.c (VSX_BUILTIN_VEC_FLOAT2, P8V_BUILTIN_VEC_VMRGEW, P8V_BUILTIN_VEC_VMRGOW): Add definitions. * config/rs6000/rs6000-protos.h: Add extern defition for rs6000_generate_float2_double_code. * config/rs6000/rs6000.c (rs6000_generate_float2_double_code): Add function. * config/rs6000/vsx.md (vsx_xvcdpsp): Add define_insn. (float2_v2df): Add define_expand. 2018-01-09 Uros Bizjak PR target/83628 * combine.c (force_int_to_mode) : Use mode instead of op_mode in the force_to_mode call. 2018-01-09 Richard Sandiford * config/aarch64/aarch64.c (aarch64_evpc_trn): Use d.perm.series_p instead of checking each element individually. (aarch64_evpc_uzp): Likewise. (aarch64_evpc_zip): Likewise. (aarch64_evpc_ext): Likewise. (aarch64_evpc_rev): Likewise. (aarch64_evpc_dup): Test the encoding for a single duplicated element, instead of checking each element individually. Return true without generating rtl if (aarch64_vectorize_vec_perm_const): Use all_from_input_p to test whether all selected elements come from the same input, instead of checking each element individually. Remove calls to gen_rtx_REG, start_sequence and end_sequence and instead assert that no rtl is generated. 2018-01-09 Richard Sandiford * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Fix order of HIGH and CONST checks. 2018-01-09 Richard Sandiford * tree-vect-stmts.c (permute_vec_elements): Create a fresh variable if the destination isn't an SSA_NAME. 2018-01-09 Richard Biener PR tree-optimization/83668 * graphite.c (canonicalize_loop_closed_ssa): Add edge argument, move prologue... (canonicalize_loop_form): ... here, renamed from ... (canonicalize_loop_closed_ssa_form): ... this and amended to swap successor edges for loop exit blocks to make us use the RPO order we need for initial schedule generation. 2018-01-09 Joseph Myers PR tree-optimization/64811 * match.pd: When optimizing comparisons with Inf, avoid introducing or losing exceptions from comparisons with NaN. 2018-01-09 Martin Liska PR sanitizer/82517 * asan.c (shadow_mem_size): Add gcc_assert. 2018-01-09 Georg-Johann Lay Don't save registers in main(). PR target/83738 * doc/invoke.texi (AVR Options) [-mmain-is-OS_task]: Document it. * config/avr/avr.opt (-mmain-is-OS_task): New target option. * config/avr/avr.c (avr_set_current_function): Don't error if naked, OS_task or OS_main are specified at the same time. (avr_function_ok_for_sibcall): Don't disable sibcalls for OS_task, OS_main. (avr_insert_attributes) [-mmain-is-OS_task]
: Add OS_task attribute. * common/config/avr/avr-common.c (avr_option_optimization_table): Switch on -mmain-is-OS_task for optimizing compilations. 2018-01-09 Richard Biener PR tree-optimization/83572 * graphite.c: Include cfganal.h. (graphite_transform_loops): Connect infinite loops to exit and remove fake edges at the end. 2018-01-09 Jan Hubicka * ipa-inline.c (edge_badness): Revert accidental checkin. 2018-01-09 Jan Hubicka PR ipa/80763 * ipa-comdats.c (set_comdat_group): Only set comdat group of real symbols; not inline clones. 2018-01-09 Jakub Jelinek PR target/83507 * modulo-sched.c (schedule_reg_moves): Punt if we'd need to move hard registers. Formatting fixes. PR preprocessor/83722 * gcc.c (try_generate_repro): Pass &temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1] as last argument to do_report_bug. 2018-01-08 Monk Chiang Kito Cheng * config/riscv/riscv.c (machine_function::is_leaf): Remove field. (riscv_leaf_function_p): Delete. (riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE. 2018-01-08 Aaron Sawdey * config/rs6000/rs6000-string.c (do_load_for_compare_from_addr): New function. (do_ifelse): New function. (do_isel): New function. (do_sub3): New function. (do_add3): New function. (do_load_mask_compare): New function. (do_overlap_load_compare): New function. (expand_compare_loop): New function. (expand_block_compare): Call expand_compare_loop() when appropriate. * config/rs6000/rs6000.opt (-mblock-compare-inline-limit): Change option description. (-mblock-compare-inline-loop-limit): New option. 2018-01-08 Bill Schmidt PR target/83677 * config/rs6000/altivec.md (*altivec_vpermr__internal): Reverse order of second and third operands in first alternative. * config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order of first and second elements in UNSPEC_VPERMR vector. (altivec_expand_vec_perm_le): Likewise. 2017-01-08 Jeff Law PR rtl-optimizatin/81308 * tree-switch-conversion.c (cfg_altered): New file scoped static. (process_switch): If group_case_labels makes a change, then set cfg_altered. (pass_convert_switch::execute): If a switch is converted, then set cfg_altered. Return TODO_cfg_cleanup if cfg_altered is true. PR rtl-optimization/81308 * recog.c (split_all_insns): Conditionally cleanup the CFG after splitting insns. 2018-01-08 Vidya Praveen PR target/83663 - Revert r255946 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify code generation for cases where splatting a value is not useful. * simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge across a vec_duplicate and a paradoxical subreg forming a vector mode to a vec_concat. 2018-01-08 Kyrylo Tkachov * config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping rules for -march=armv8.3-a variants. * config/arm/t-multilib: Likewise. * config/arm/t-arm-elf: Likewise. Handle dotprod extension. 2018-01-08 Aaron Sawdey * config/rs6000/rs6000.md (cceq_ior_compare): Remove * so I can use it to generate rtl. (cceq_ior_compare_complement): Give it a name so I can use it, and change boolean_or_operator predicate to boolean_operator so it can be used to generate a crand. (eqne): New code iterator. (bd/bd_neg): New code_attrs. (_): New name for ctr_internal[12] now combined into a single define_insn. (tf_): A new insn pattern for the conditional form branch decrement (bdnzt/bdnzf/bdzt/bdzf). * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Updated with the new names of the branch decrement patterns, and added the names of the branch decrement conditional patterns. 2018-01-08 Richard Biener PR tree-optimization/83563 * graphite.c (canonicalize_loop_closed_ssa_form): Reset the SCEV cache. 2018-01-08 Richard Biener PR middle-end/83713 * convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks. 2018-01-08 Richard Biener PR tree-optimization/83685 * tree-ssa-pre.c (create_expression_by_pieces): Do not insert references to abnormals. 2018-01-08 Richard Biener PR lto/83719 * dwarf2out.c (output_indirect_strings): Handle empty skeleton_debug_str_hash. (dwarf2out_early_finish): Index strings for -gsplit-dwarf. 2018-01-08 Claudiu Zissulescu * config/arc/arc.c (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Delete. (emit_store_direct): Likewise. (arc_trampoline_adjust_address): Likewise. (arc_asm_trampoline_template): New function. (arc_initialize_trampoline): Use asm_trampoline_template. (TARGET_ASM_TRAMPOLINE_TEMPLATE): Define. * config/arc/arc.h (TRAMPOLINE_SIZE): Adjust to 16. * config/arc/arc.md (flush_icache): Delete pattern. 2018-01-08 Claudiu Zissulescu * config/arc/arc-c.def (__ARC_UNALIGNED__): New define. * config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using munaligned-access. 2018-01-08 Sebastian Huber PR target/83681 * config/epiphany/epiphany.h (make_pass_mode_switch_use): Guard by not USED_FOR_TARGET. (make_pass_resolve_sw_modes): Likewise. 2018-01-08 Sebastian Huber * config/nios2/nios2.h (nios2_section_threshold): Guard by not USED_FOR_TARGET. 2018-01-08 Richard Biener PR middle-end/83580 * tree-data-ref.c (split_constant_offset): Remove STRIP_NOPS. 2018-01-08 Richard Biener PR middle-end/83517 * match.pd ((t * 2) / 2) -> t): Add missing :c. 2018-01-06 Aldy Hernandez PR middle-end/81897 * tree-ssa-uninit.c (compute_control_dep_chain): Do not bail on basic blocks with a small number of successors. (convert_control_dep_chain_into_preds): Improve handling of forwarder blocks. (dump_predicates): Split apart into... (dump_pred_chain): ...here... (dump_pred_info): ...and here. (can_one_predicate_be_invalidated_p): Add debugging printfs. (can_chain_union_be_invalidated_p): Improve check for invalidation of paths. (uninit_uses_cannot_happen): Avoid unnecessary if convert_control_dep_chain_into_preds yielded nothing. 2018-01-06 Martin Sebor PR tree-optimization/83640 * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Avoid subtracting negative offset from size. (builtin_access::overlap): Adjust offset bounds of the access to fall within the size of the object if possible. 2018-01-06 Richard Sandiford PR rtl-optimization/83699 * expmed.c (extract_bit_field_1): Restrict the vector usage of extract_bit_field_as_subreg to cases in which the extracted value is also a vector. * lra-constraints.c (process_alt_operands): Test for the equivalence substitutions when detecting a possible reload cycle. 2018-01-06 Jakub Jelinek PR debug/83480 * toplev.c (process_options): Don't enable debug_nonbind_markers_p by default if flag_selective_schedling{,2}. Formatting fixes. PR rtl-optimization/83682 * rtl.h (const_vec_duplicate_p): Only return true for VEC_DUPLICATE if it has non-VECTOR_MODE element mode. (vec_duplicate_p): Likewise. PR middle-end/83694 * cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT. 2018-01-05 Jakub Jelinek PR target/83604 * config/i386/i386-builtin.def (__builtin_ia32_vgf2p8affineinvqb_v64qi, __builtin_ia32_vgf2p8affineqb_v64qi, __builtin_ia32_vgf2p8mulb_v64qi): Require also OPTION_MASK_ISA_AVX512F in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8affineinvqb_v16qi_mask, __builtin_ia32_vgf2p8affineqb_v16qi_mask): Require OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_SSE in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8mulb_v32qi_mask): Require OPTION_MASK_ISA_AVX512VL in addition to OPTION_MASK_ISA_GFNI and OPTION_MASK_ISA_AVX512BW. (__builtin_ia32_vgf2p8mulb_v16qi_mask): Require OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_AVX512BW in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8affineinvqb_v16qi, __builtin_ia32_vgf2p8affineqb_v16qi, __builtin_ia32_vgf2p8mulb_v16qi): Require OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_SSE in addition to OPTION_MASK_ISA_GFNI. * config/i386/i386.c (def_builtin): Change to builtin isa/isa2 being a requirement for all ISAs rather than any of them with a few exceptions. (ix86_add_new_builtins): Clear OPTION_MASK_ISA_64BIT from isa before processing. (ix86_expand_builtin): Require all ISAs from builtin's isa and isa2 bitmasks to be enabled with 3 exceptions, instead of requiring any enabled ISA with lots of exceptions. * config/i386/sse.md (vgf2p8affineinvqb_, vgf2p8affineqb_, vgf2p8mulb_): Change avx512bw in isa attribute to avx512f. * config/i386/sgxintrin.h: Add license boilerplate. * config/i386/vaesintrin.h: Likewise. Fix macro spelling __AVX512F to __AVX512F__ and __AVX512VL to __AVX512VL__. (_mm256_aesdec_epi128, _mm256_aesdeclast_epi128, _mm256_aesenc_epi128, _mm256_aesenclast_epi128): Enable temporarily avx if __AVX__ is not defined. * config/i386/gfniintrin.h (_mm_gf2p8mul_epi8, _mm_gf2p8affineinv_epi64_epi8, _mm_gf2p8affine_epi64_epi8): Enable temporarily sse2 rather than sse if not enabled already. PR target/83604 * config/i386/sse.md (VI248_VLBW): Rename to ... (VI248_AVX512VL): ... this. Don't guard V32HI with TARGET_AVX512BW. (vpshrd_, vpshld_, vpshrdv_, vpshrdv__mask, vpshrdv__maskz, vpshrdv__maskz_1, vpshldv_, vpshldv__mask, vpshldv__maskz, vpshldv__maskz_1): Use VI248_AVX512VL mode iterator instead of VI248_VLBW. 2018-01-05 Jan Hubicka * ipa-fnsummary.c (record_modified_bb_info): Add OP. (record_modified): Skip clobbers; add debug output. (param_change_prob): Use sreal frequencies. 2018-01-05 Richard Sandiford * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't punt for user-aligned variables. 2018-01-05 Richard Sandiford * tree-chrec.c (chrec_contains_symbols): Return true for POLY_INT_CST. 2018-01-05 Sudakshina Das PR target/82439 * simplify-rtx.c (simplify_relational_operation_1): Add simplifications of (x|y) == x for BICS pattern. 2018-01-05 Jakub Jelinek PR tree-optimization/83605 * gimple-ssa-strength-reduction.c: Include tree-eh.h. (find_candidates_dom_walker::before_dom_children): Ignore stmts that can throw. 2018-01-05 Sebastian Huber * config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration. * config/epiphany/rtems.h: New file. 2018-01-04 Jakub Jelinek Uros Bizjak PR target/83554 * config/i386/i386.md (*hi3_1 splitter): Use QIreg_operand instead of register_operand predicate. * config/i386/i386.c (ix86_rop_should_change_byte_p, set_rop_modrm_reg_bits, ix86_mitigate_rop): Use -mmitigate-rop in comments instead of -fmitigate[-_]rop. 2018-01-04 Rainer Orth PR bootstrap/81926 * cgraphunit.c (symbol_table::compile): Switch to text_section before calling assembly_start debug hook. * run-rtl-passes.c (run_rtl_passes): Likewise. Include output.h. 2018-01-04 Richard Sandiford * tree-vrp.c (extract_range_from_binary_expr_1): Check range_int_cst_p rather than !symbolic_range_p before calling extract_range_from_multiplicative_op_1. 2017-01-04 Jeff Law * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Remove redundant test in assertion. 2018-01-04 Richard Sandiford * doc/rtl.texi: Document machine_mode wrapper classes. 2018-01-04 Richard Sandiford * fold-const.c (fold_ternary_loc): Check tree_fits_uhwi_p before using tree_to_uhwi. 2018-01-04 Richard Sandiford * tree-ssa-forwprop.c (is_combined_permutation_identity): Allow the VEC_PERM_EXPR fold to fail. 2018-01-04 Jakub Jelinek PR debug/83585 * bb-reorder.c (insert_section_boundary_note): Set has_bb_partition to switched_sections. 2018-01-04 Richard Sandiford PR target/83680 * config/arm/arm.c (arm_vectorize_vec_perm_const): Fix inverted test for d.testing. 2018-01-04 Peter Bergner PR target/83387 * config/rs6000/rs6000.c (rs6000_discover_homogeneous_aggregate): Do not allow arguments in FP registers if TARGET_HARD_FLOAT is false. 2018-01-04 Jakub Jelinek PR debug/83666 * cfgexpand.c (expand_dbeug_expr) : Punt if mode is BLKmode and bitpos not zero or mode change is needed. 2018-01-04 Richard Sandiford PR target/83675 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Require TARGET_VIS2. 2018-01-04 Uros Bizjak PR target/83628 * config/alpha/alpha.md (*sadd): Use ASHIFT instead of MULT rtx. Update all corresponding splitters. (*saddl_se): Ditto. (*ssub): Ditto. (*ssubl_se): Ditto. (*cmp_sadd_di): Update split patterns. (*cmp_sadd_si): Ditto. (*cmp_sadd_sidi): Ditto. (*cmp_ssub_di): Ditto. (*cmp_ssub_si): Ditto. (*cmp_ssub_sidi): Ditto. * config/alpha/predicates.md (const23_operand): New predicate. * config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]: Look for ASHIFT, not MULT inner operand. (alpha_split_conditional_move): Update for *sadd change. 2018-01-04 Martin Liska PR gcov-profile/83669 * gcov.c (output_intermediate_file): Add version to intermediate gcov file. * doc/gcov.texi: Document new field 'version' in intermediate file format. Fix location of '-k' option of gcov command. 2018-01-04 Martin Liska PR ipa/82352 * ipa-icf.c (sem_function::merge): Do not cross comdat boundary. 2018-01-04 Jakub Jelinek * gimple-ssa-sprintf.c (parse_directive): Cast second dir.len to uhwi. 2018-01-03 Martin Sebor PR tree-optimization/83655 * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid checking calls with invalid arguments. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_get_store_rhs): New function. (vectorizable_mask_load_store): Delete. (vectorizable_call): Return false for masked loads and stores. (vectorizable_store): Handle IFN_MASK_STORE. Use vect_get_store_rhs instead of gimple_assign_rhs1. (vectorizable_load): Handle IFN_MASK_LOAD. (vect_transform_stmt): Don't set is_store for call_vec_info_type. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_build_gather_load_calls): New function, split out from.., (vectorizable_mask_load_store): ...here. (vectorizable_load): ...and here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_build_all_ones_mask) (vect_build_zero_merge_argument): New functions, split out from... (vectorizable_load): ...here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_check_store_rhs): New function, split out from... (vectorizable_mask_load_store): ...here. (vectorizable_store): ...and here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_check_load_store_mask): New function, split out from... (vectorizable_mask_load_store): ...here. 2018-01-03 Richard Sandiford * tree-vectorizer.h (vec_load_store_type): Moved from tree-vec-stmts.c (vect_model_store_cost): Take a vec_load_store_type instead of a vect_def_type. * tree-vect-stmts.c (vec_load_store_type): Move to tree-vectorizer.h. (vect_model_store_cost): Take a vec_load_store_type instead of a vect_def_type. (vectorizable_mask_load_store): Update accordingly. (vectorizable_store): Likewise. * tree-vect-slp.c (vect_analyze_slp_cost_1): Update accordingly. 2018-01-03 Richard Sandiford * tree-vect-loop.c (vect_transform_loop): Stub out scalar IFN_MASK_LOAD calls here rather than... * tree-vect-stmts.c (vectorizable_mask_load_store): ...here. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expmed.c (extract_bit_field_1): For vector extracts, fall back to extract_bit_field_as_subreg if vec_extract isn't available. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * lra-spills.c (pseudo_reg_slot_compare): Sort slots by whether they are variable or constant sized. (assign_stack_slot_num_and_sort_pseudos): Don't reuse variable-sized slots for constant-sized data. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): When handling COND_EXPRs with boolean comparisons, try to find a better basis for the mask type than the boolean itself. 2018-01-03 Richard Sandiford * doc/rtl.texi (MAX_BITSIZE_MODE_ANY_MODE): Describe how the default is calculated and how it can be overridden. * genmodes.c (max_bitsize_mode_any_mode): New variable. (create_modes): Initialize it from MAX_BITSIZE_MODE_ANY_MODE, if defined. (emit_max_int): Use it to set the output MAX_BITSIZE_MODE_ANY_MODE, if nonzero. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-protos.h (aarch64_output_simd_mov_immediate): Remove the mode argument. (aarch64_simd_valid_immediate): Remove the mode and inverse arguments. * config/aarch64/iterators.md (bitsize): New iterator. * config/aarch64/aarch64-simd.md (*aarch64_simd_mov, and3) (ior3): Update calls to aarch64_output_simd_mov_immediate. * config/aarch64/constraints.md (Do, Db, Dn): Update calls to aarch64_simd_valid_immediate. * config/aarch64/predicates.md (aarch64_reg_or_orr_imm): Likewise. (aarch64_reg_or_bic_imm): Likewise. * config/aarch64/aarch64.c (simd_immediate_info): Replace mvn with an insn_type enum and msl with a modifier_type enum. Replace element_width with a scalar_mode. Change the shift to unsigned int. Add constructors for scalar_float_mode and scalar_int_mode elements. (aarch64_vect_float_const_representable_p): Delete. (aarch64_can_const_movi_rtx_p) (aarch64_simd_scalar_immediate_valid_for_move) (aarch64_simd_make_constant): Update call to aarch64_simd_valid_immediate. (aarch64_advsimd_valid_immediate_hs): New function. (aarch64_advsimd_valid_immediate): Likewise. (aarch64_simd_valid_immediate): Remove mode and inverse arguments. Rewrite to use the above. Use const_vec_duplicate_p to detect duplicated constants and use aarch64_float_const_zero_rtx_p and aarch64_float_const_representable_p on the result. (aarch64_output_simd_mov_immediate): Remove mode argument. Update call to aarch64_simd_valid_immediate and use of simd_immediate_info. (aarch64_output_scalar_simd_mov_immediate): Update call accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_precision): Prefix with CONST_MODE_PRECISION. (mode_nunits): Likewise CONST_MODE_NUNITS. * machmode.def (ADJUST_NUNITS): Document. * genmodes.c (mode_data::need_nunits_adj): New field. (blank_mode): Update accordingly. (adj_nunits): New variable. (print_maybe_const_decl): Replace CATEGORY with a NEEDS_ADJ parameter. (emit_mode_size_inline): Set need_bytesize_adj for all modes listed in adj_nunits. (emit_mode_nunits_inline): Set need_nunits_adj for all modes listed in adj_nunits. Don't emit case statements for such modes. (emit_insn_modes_h): Emit definitions of CONST_MODE_NUNITS and CONST_MODE_PRECISION. Make CONST_MODE_SIZE expand to nothing if adj_nunits is nonnull. (emit_mode_precision, emit_mode_nunits): Use print_maybe_const_decl. (emit_mode_unit_size, emit_mode_base_align, emit_mode_ibit) (emit_mode_fbit): Update use of print_maybe_const_decl. (emit_move_size): Likewise. Treat the array as non-const if adj_nunits. (emit_mode_adjustments): Handle adj_nunits. 2018-01-03 Richard Sandiford * machmode.def (VECTOR_MODES_WITH_PREFIX): Document. * genmodes.c (VECTOR_MODES_WITH_PREFIX): New macro. (VECTOR_MODES): Use it. (make_vector_modes): Take the prefix as an argument. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * mode-classes.def (MODE_VECTOR_BOOL): New mode class. * machmode.h (INTEGRAL_MODE_P, VECTOR_MODE_P): Return true for MODE_VECTOR_BOOL. * machmode.def (VECTOR_BOOL_MODE): Document. * genmodes.c (VECTOR_BOOL_MODE): New macro. (make_vector_bool_mode): New function. (complete_mode, emit_mode_wider, emit_mode_adjustments): Handle MODE_VECTOR_BOOL. * lto-streamer-in.c (lto_input_mode_table): Likewise. * rtx-vector-builder.c (rtx_vector_builder::find_cached_value): Likewise. * stor-layout.c (int_mode_for_mode): Likewise. * tree.c (build_vector_type_for_mode): Likewise. * varasm.c (output_constant_pool_2): Likewise. * emit-rtl.c (init_emit_once): Make sure that CONST1_RTX (BImode) and CONSTM1_RTX (BImode) are the same thing. Initialize const_tiny_rtx for MODE_VECTOR_BOOL. * expr.c (expand_expr_real_1): Use VECTOR_MODE_P instead of a list of mode class checks. * tree-vect-generic.c (expand_vector_operation): Use VECTOR_MODE_P instead of a list of mode class checks. (expand_vector_scalar_condition): Likewise. (type_for_widest_vector_mode): Handle BImode as an inner mode. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_size): Change from unsigned short to poly_uint16_pod. (mode_to_bytes): Return a poly_uint16 rather than an unsigned short. (GET_MODE_SIZE): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. (fixed_size_mode::includes_p): Check for constant-sized modes. * genmodes.c (emit_mode_size_inline): Make mode_size_inline return a poly_uint16 rather than an unsigned short. (emit_mode_size): Change the type of mode_size from unsigned short to poly_uint16_pod. Use ZERO_COEFFS for the initializer. (emit_mode_adjustments): Cope with polynomial vector sizes. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_SIZE. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_SIZE. * auto-inc-dec.c (try_merge): Treat GET_MODE_SIZE as polynomial. * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Likewise. * caller-save.c (setup_save_areas): Likewise. (replace_reg_with_saved_mem): Likewise. * calls.c (emit_library_call_value_1): Likewise. * combine-stack-adj.c (combine_stack_adjustments_for_block): Likewise. * combine.c (simplify_set, make_extraction, simplify_shift_const_1) (gen_lowpart_for_combine): Likewise. * convert.c (convert_to_integer_1): Likewise. * cse.c (equiv_constant, cse_insn): Likewise. * cselib.c (autoinc_split, cselib_hash_rtx): Likewise. (cselib_subst_to_values): Likewise. * dce.c (word_dce_process_block): Likewise. * df-problems.c (df_word_lr_mark_ref): Likewise. * dwarf2cfi.c (init_one_dwarf_reg_size): Likewise. * dwarf2out.c (multiple_reg_loc_descriptor, mem_loc_descriptor) (concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor) (rtl_for_decl_location): Likewise. * emit-rtl.c (gen_highpart, widen_memory_access): Likewise. * expmed.c (extract_bit_field_1, extract_integral_bit_field): Likewise. * expr.c (emit_group_load_1, clear_storage_hints): Likewise. (emit_move_complex, emit_move_multi_word, emit_push_insn): Likewise. (expand_expr_real_1): Likewise. * function.c (assign_parm_setup_block_p, assign_parm_setup_block) (pad_below): Likewise. * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise. * gimple-ssa-store-merging.c (rhs_valid_for_store_merging_p): Likewise. * ira.c (get_subreg_tracking_sizes): Likewise. * ira-build.c (ira_create_allocno_objects): Likewise. * ira-color.c (coalesced_pseudo_reg_slot_compare): Likewise. (ira_sort_regnos_for_alter_reg): Likewise. * ira-costs.c (record_operand_costs): Likewise. * lower-subreg.c (interesting_mode_p, simplify_gen_subreg_concatn) (resolve_simple_move): Likewise. * lra-constraints.c (get_reload_reg, operands_match_p): Likewise. (process_addr_reg, simplify_operand_subreg, curr_insn_transform) (lra_constraints): Likewise. (CONST_POOL_OK_P): Reject variable-sized modes. * lra-spills.c (slot, assign_mem_slot, pseudo_reg_slot_compare) (add_pseudo_to_slot, lra_spill): Likewise. * omp-low.c (omp_clause_aligned_alignment): Likewise. * optabs-query.c (get_best_extraction_insn): Likewise. * optabs-tree.c (expand_vec_cond_expr_p): Likewise. * optabs.c (expand_vec_perm_var, expand_vec_cond_expr): Likewise. (expand_mult_highpart, valid_multiword_target_p): Likewise. * recog.c (offsettable_address_addr_space_p): Likewise. * regcprop.c (maybe_mode_change): Likewise. * reginfo.c (choose_hard_reg_mode, record_subregs_of_mode): Likewise. * regrename.c (build_def_use): Likewise. * regstat.c (dump_reg_info): Likewise. * reload.c (complex_word_subreg_p, push_reload, find_dummy_reload) (find_reloads, find_reloads_subreg_address): Likewise. * reload1.c (eliminate_regs_1): Likewise. * rtlanal.c (for_each_inc_dec_find_inc_dec, rtx_cost): Likewise. * simplify-rtx.c (avoid_constant_pool_reference): Likewise. (simplify_binary_operation_1, simplify_subreg): Likewise. * targhooks.c (default_function_arg_padding): Likewise. (default_hard_regno_nregs, default_class_max_nregs): Likewise. * tree-cfg.c (verify_gimple_assign_binary): Likewise. (verify_gimple_assign_ternary): Likewise. * tree-inline.c (estimate_move_cost): Likewise. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-ssa-loop-ivopts.c (add_autoinc_candidates): Likewise. (get_address_cost_ainc): Likewise. * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise. (vect_supportable_dr_alignment): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. (vectorizable_reduction): Likewise. * tree-vect-stmts.c (vectorizable_assignment, vectorizable_shift) (vectorizable_operation, vectorizable_load): Likewise. * tree.c (build_same_sized_truth_vector_type): Likewise. * valtrack.c (cleanup_auto_inc_dec): Likewise. * var-tracking.c (emit_note_insn_var_location): Likewise. * config/arc/arc.h (ASM_OUTPUT_CASE_END): Use as_a . (ADDR_VEC_ALIGN): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_to_bits): Return a poly_uint16 rather than an unsigned short. (GET_MODE_BITSIZE): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is polynomial. * calls.c (shift_return_value): Treat GET_MODE_BITSIZE as polynomial. * combine.c (make_extraction): Likewise. * dse.c (find_shift_sequence): Likewise. * dwarf2out.c (mem_loc_descriptor): Likewise. * expmed.c (store_integral_bit_field, extract_bit_field_1): Likewise. (extract_bit_field, extract_low_bits): Likewise. * expr.c (convert_move, convert_modes, emit_move_insn_1): Likewise. (optimize_bitfield_assignment_op, expand_assignment): Likewise. (store_expr_with_bounds, store_field, expand_expr_real_1): Likewise. * fold-const.c (optimize_bit_field_compare, merge_ranges): Likewise. * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (alter_reg): Likewise. * stor-layout.c (bitwise_mode_for_mode, compute_record_mode): Likewise. * targhooks.c (default_secondary_memory_needed_mode): Likewise. * tree-if-conv.c (predicate_mem_writes): Likewise. * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise. * tree-vect-patterns.c (adjust_bool_pattern): Likewise. * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise. * valtrack.c (dead_debug_insert_temp): Likewise. * varasm.c (mergeable_constant_section): Likewise. * config/sh/sh.h (LOCAL_ALIGNMENT): Use as_a . 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_assignment): Cope with polynomial mode sizes when assigning to a CONCAT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_precision): Change from unsigned short to poly_uint16_pod. (mode_to_precision): Return a poly_uint16 rather than an unsigned short. (GET_MODE_PRECISION): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. (HWI_COMPUTABLE_MODE_P): Turn into a function. Optimize the case in which the mode is already known to be a scalar_int_mode. * genmodes.c (emit_mode_precision): Change the type of mode_precision from unsigned short to poly_uint16_pod. Use ZERO_COEFFS for the initializer. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_PRECISION. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_PRECISION. * combine.c (update_rsp_from_reg_equal): Treat GET_MODE_PRECISION as polynomial. (try_combine, find_split_point, combine_simplify_rtx): Likewise. (expand_field_assignment, make_extraction): Likewise. (make_compound_operation_int, record_dead_and_set_regs_1): Likewise. (get_last_value): Likewise. * convert.c (convert_to_integer_1): Likewise. * cse.c (cse_insn): Likewise. * expr.c (expand_expr_real_1): Likewise. * lra-constraints.c (simplify_operand_subreg): Likewise. * optabs-query.c (can_atomic_load_p): Likewise. * optabs.c (expand_atomic_load): Likewise. (expand_atomic_store): Likewise. * ree.c (combine_reaching_defs): Likewise. * rtl.h (partial_subreg_p, paradoxical_subreg_p): Likewise. * rtlanal.c (nonzero_bits1, lsb_bitfield_op_p): Likewise. * tree.h (type_has_mode_precision_p): Likewise. * ubsan.c (instrument_si_overflow): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree.h (TYPE_VECTOR_SUBPARTS): Turn into a function and handle polynomial numbers of units. (SET_TYPE_VECTOR_SUBPARTS): Likewise. (valid_vector_subparts_p): New function. (build_vector_type): Remove temporary shim and take the number of units as a poly_uint64 rather than an int. (build_opaque_vector_type): Take the number of units as a poly_uint64 rather than an int. * tree.c (build_vector_from_ctor): Handle polynomial TYPE_VECTOR_SUBPARTS. (type_hash_canon_hash, type_cache_hasher::equal): Likewise. (uniform_vector_p, vector_type_mode, build_vector): Likewise. (build_vector_from_val): If the number of units is variable, use build_vec_duplicate_cst for constant operands and VEC_DUPLICATE_EXPR otherwise. (make_vector_type): Remove temporary is_constant (). (build_vector_type, build_opaque_vector_type): Take the number of units as a poly_uint64 rather than an int. (check_vector_cst): Handle polynomial TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS. * cfgexpand.c (expand_debug_expr): Likewise. * expr.c (count_type_elements, categorize_ctor_elements_1): Likewise. (store_constructor, expand_expr_real_1): Likewise. (const_scalar_mask_from_tree): Likewise. * fold-const-call.c (fold_const_reduction): Likewise. * fold-const.c (const_binop, const_unop, fold_convert_const): Likewise. (operand_equal_p, fold_vec_perm, fold_ternary_loc): Likewise. (native_encode_vector, vec_cst_ctor_to_array): Likewise. (fold_relational_const): Likewise. (native_interpret_vector): Likewise. Change the size from an int to an unsigned int. * gimple-fold.c (gimple_fold_stmt_to_constant_1): Handle polynomial TYPE_VECTOR_SUBPARTS. (gimple_fold_indirect_ref, gimple_build_vector): Likewise. (gimple_build_vector_from_val): Use VEC_DUPLICATE_EXPR when duplicating a non-constant operand into a variable-length vector. * hsa-brig.c (hsa_op_immed::emit_to_buffer): Handle polynomial TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS. * ipa-icf.c (sem_variable::equals): Likewise. * match.pd: Likewise. * omp-simd-clone.c (simd_clone_subparts): Likewise. * print-tree.c (print_node): Likewise. * stor-layout.c (layout_type): Likewise. * targhooks.c (default_builtin_vectorization_cost): Likewise. * tree-cfg.c (verify_gimple_comparison): Likewise. (verify_gimple_assign_binary): Likewise. (verify_gimple_assign_ternary): Likewise. (verify_gimple_assign_single): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. (simplify_bitfield_ref, is_combined_permutation_identity): Likewise. * tree-vect-data-refs.c (vect_permute_store_chain): Likewise. (vect_grouped_load_supported, vect_permute_load_chain): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-generic.c (nunits_for_known_piecewise_op): Likewise. (expand_vector_condition, optimize_vector_constructor): Likewise. (lower_vec_perm, get_compute_type): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. (get_initial_defs_for_reduction, vect_transform_loop): Likewise. * tree-vect-patterns.c (vect_recog_bool_pattern): Likewise. (vect_recog_mask_conversion_pattern): Likewise. * tree-vect-slp.c (vect_supported_load_permutation_p): Likewise. (vect_get_constant_vectors, vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (get_group_load_store_type, vectorizable_mask_load_store): Likewise. (vectorizable_bswap, simd_clone_subparts, vectorizable_assignment) (vectorizable_shift, vectorizable_operation, vectorizable_store) (vectorizable_load, vect_is_simple_cond, vectorizable_comparison) (supportable_widening_operation): Likewise. (supportable_narrowing_operation): Likewise. * tree-vector-builder.c (tree_vector_builder::binary_encoded_nelts): Likewise. * varasm.c (output_constant): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_permute_store_chain): Reorganize so that both the length == 3 and length != 3 cases set up their own permute vectors. Add comments explaining why we know the number of elements is constant. (vect_permute_load_chain): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_nunits): Change from unsigned char to poly_uint16_pod. (ONLY_FIXED_SIZE_MODES): New macro. (pod_mode::measurement_type, scalar_int_mode::measurement_type) (scalar_float_mode::measurement_type, scalar_mode::measurement_type) (complex_mode::measurement_type, fixed_size_mode::measurement_type): New typedefs. (mode_to_nunits): Return a poly_uint16 rather than an unsigned short. (GET_MODE_NUNITS): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. * genmodes.c (ZERO_COEFFS): New macro. (emit_mode_nunits_inline): Make mode_nunits_inline return a poly_uint16. (emit_mode_nunits): Change the type of mode_nunits to poly_uint16_pod. Use ZERO_COEFFS when emitting initializers. * data-streamer.h (bp_pack_poly_value): New function. (bp_unpack_poly_value): Likewise. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_NUNITS. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_NUNITS. * tree.c (make_vector_type): Remove temporary shim and make the real function take the number of units as a poly_uint64 rather than an int. (build_vector_type_for_mode): Handle polynomial nunits. * dwarf2out.c (loc_descriptor, add_const_value_attribute): Likewise. * emit-rtl.c (const_vec_series_p_1): Likewise. (gen_rtx_CONST_VECTOR): Likewise. * fold-const.c (test_vec_duplicate_folding): Likewise. * genrecog.c (validate_pattern): Likewise. * optabs-query.c (can_vec_perm_var_p, can_mult_highpart_p): Likewise. * optabs-tree.c (expand_vec_cond_expr_p): Likewise. * optabs.c (expand_vector_broadcast, expand_binop_directly): Likewise. (shift_amt_for_vec_perm_mask, expand_vec_perm_var): Likewise. (expand_vec_cond_expr, expand_mult_highpart): Likewise. * rtlanal.c (subreg_get_info): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_grouped_load_supported): Likewise. * tree-vect-generic.c (type_for_widest_vector_mode): Likewise. * tree-vect-loop.c (have_whole_vector_shift): Likewise. * simplify-rtx.c (simplify_unary_operation_1): Likewise. (simplify_const_unary_operation, simplify_binary_operation_1) (simplify_const_binary_operation, simplify_ternary_operation) (test_vector_ops_duplicate, test_vector_ops): Likewise. (simplify_immed_subreg): Use GET_MODE_NUNITS on a fixed_size_mode instead of CONST_VECTOR_NUNITS. * varasm.c (output_constant_pool_2): Likewise. * rtx-vector-builder.c (rtx_vector_builder::build): Only include the explicit-encoded elements in the XVEC for variable-length vectors. 2018-01-03 Richard Sandiford * lra-constraints.c (curr_insn_transform): Use partial_subreg_p. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * coretypes.h (fixed_size_mode): Declare. (fixed_size_mode_pod): New typedef. * builtins.h (target_builtins::x_apply_args_mode) (target_builtins::x_apply_result_mode): Change type to fixed_size_mode_pod. * builtins.c (apply_args_size, apply_result_size, result_vector) (expand_builtin_apply_args_1, expand_builtin_apply) (expand_builtin_return): Update accordingly. 2018-01-03 Richard Sandiford * cse.c (hash_rtx_cb): Hash only the encoded elements. * cselib.c (cselib_hash_rtx): Likewise. * expmed.c (make_tree): Build VECTOR_CSTs directly from the CONST_VECTOR encoding. 2017-01-03 Jakub Jelinek Jeff Law PR target/83641 * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop, only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp and add REG_CFA_ADJUST_CFA notes in that case to both insns. PR target/83641 * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not explicitly probe *sp in a noreturn function if there were any callee register saves or frame pointer is needed. 2018-01-03 Jakub Jelinek PR debug/83621 * cfgexpand.c (expand_debug_expr): Return NULL if mode is BLKmode for ternary, binary or unary expressions. PR debug/83645 * var-tracking.c (delete_vta_debug_insn): New inline function. (delete_vta_debug_insns): Add USE_CFG argument, if true, walk just insns from get_insns () to NULL instead of each bb separately. Use delete_vta_debug_insn. No longer static. (vt_debug_insns_local, variable_tracking_main_1): Adjust delete_vta_debug_insns callers. * rtl.h (delete_vta_debug_insns): Declare. * final.c (rest_of_handle_final): Call delete_vta_debug_insns instead of variable_tracking_main. 2018-01-03 Martin Sebor PR tree-optimization/83603 * calls.c (maybe_warn_nonstring_arg): Avoid accessing function arguments past the endof the argument list in functions declared without a prototype. * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid checking when arguments are null. 2018-01-03 Martin Sebor PR c/83559 * doc/extend.texi (attribute const): Fix a typo. * ipa-pure-const.c ((warn_function_const, warn_function_pure): Avoid issuing -Wsuggest-attribute for void functions. 2018-01-03 Martin Sebor * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use offset_int::from instead of wide_int::to_shwi. (maybe_diag_overlap): Remove assertion. Use HOST_WIDE_INT_PRINT_DEC instead of %lli. * gimple-ssa-sprintf.c (format_directive): Same. (parse_directive): Same. (sprintf_dom_walker::compute_format_length): Same. (try_substitute_return_value): Same. 2017-01-03 Jeff Law PR middle-end/83654 * explow.c (anti_adjust_stack_and_probe_stack_clash): Test a non-constant residual for zero at runtime and avoid probing in that case. Reorganize code for trailing problem to mirror handling of the residual. 2018-01-03 Prathamesh Kulkarni PR tree-optimization/83501 * tree-ssa-strlen.c (get_string_cst): New. (handle_char_store): Call get_string_cst. 2018-01-03 Martin Liska PR tree-optimization/83593 * tree-ssa-strlen.c: Include tree-cfg.h. (strlen_check_and_optimize_stmt): Add new argument cleanup_eh. (strlen_dom_walker): Add new member variable m_cleanup_cfg. (strlen_dom_walker::strlen_dom_walker): Initialize m_cleanup_cfg to false. (strlen_dom_walker::before_dom_children): Call gimple_purge_dead_eh_edges. Dump tranformation with details dump flags. (strlen_dom_walker::before_dom_children): Update call by adding new argument cleanup_eh. (pass_strlen::execute): Return TODO_cleanup_cfg if needed. 2018-01-03 Martin Liska PR ipa/83549 * cif-code.def (VARIADIC_THUNK): New enum value. * ipa-fnsummary.c (compute_fn_summary): Do not inline variadic thunks. 2018-01-03 Jan Beulich * sse.md (mov_internal): Tighten condition for when to use vmovdqu for TI and OI modes. 2018-01-03 Jakub Jelinek Update copyright years. 2018-01-03 Martin Liska PR ipa/83594 * ipa-visibility.c (function_and_variable_visibility): Skip functions with noipa attribure. 2018-01-03 Jakub Jelinek * gcc.c (process_command): Update copyright notice dates. * gcov-dump.c (print_version): Ditto. * gcov.c (print_version): Ditto. * gcov-tool.c (print_version): Ditto. * gengtype.c (create_file): Ditto. * doc/cpp.texi: Bump @copying's copyright year. * doc/cppinternals.texi: Ditto. * doc/gcc.texi: Ditto. * doc/gccint.texi: Ditto. * doc/gcov.texi: Ditto. * doc/install.texi: Ditto. * doc/invoke.texi: Ditto. 2018-01-03 Richard Sandiford * vector-builder.h (vector_builder::m_full_nelts): Change from unsigned int to poly_uint64. (vector_builder::full_nelts): Update prototype accordingly. (vector_builder::new_vector): Likewise. (vector_builder::encoded_full_vector_p): Handle polynomial full_nelts. (vector_builder::operator ==): Likewise. (vector_builder::finalize): Likewise. * int-vector-builder.h (int_vector_builder::int_vector_builder): Take the number of elements as a poly_uint64 rather than an unsigned int. * vec-perm-indices.h (vec_perm_indices::m_nelts_per_input): Change from unsigned int to poly_uint64. (vec_perm_indices::vec_perm_indices): Update prototype accordingly. (vec_perm_indices::new_vector): Likewise. (vec_perm_indices::length): Likewise. (vec_perm_indices::nelts_per_input): Likewise. (vec_perm_indices::input_nelts): Likewise. * vec-perm-indices.c (vec_perm_indices::new_vector): Take the number of elements per input as a poly_uint64 rather than an unsigned int. Use the original encoding for variable-length vectors, rather than clamping each individual element. For the second and subsequent elements in each pattern, clamp the step and base before clamping their sum. (vec_perm_indices::series_p): Handle polynomial element counts. (vec_perm_indices::all_in_range_p): Likewise. (vec_perm_indices_to_tree): Likewise. (vec_perm_indices_to_rtx): Likewise. * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise. * tree-vector-builder.c (tree_vector_builder::new_unary_operation) (tree_vector_builder::new_binary_operation): Handle polynomial element counts. Return false if we need to know the number of elements at compile time. * fold-const.c (fold_vec_perm): Punt if the number of elements isn't known at compile time. 2018-01-03 Richard Sandiford * vec-perm-indices.h (vec_perm_builder): Change element type from HOST_WIDE_INT to poly_int64. (vec_perm_indices::element_type): Update accordingly. (vec_perm_indices::clamp): Handle polynomial element_types. * vec-perm-indices.c (vec_perm_indices::series_p): Likewise. (vec_perm_indices::all_in_range_p): Likewise. (tree_to_vec_perm_builder): Check for poly_int64 trees rather than shwi trees. * vector-builder.h (vector_builder::stepped_sequence_p): Handle polynomial vec_perm_indices element types. * int-vector-builder.h (int_vector_builder::equal_p): Likewise. * fold-const.c (fold_vec_perm): Likewise. * optabs.c (shift_amt_for_vec_perm_mask): Likewise. * tree-vect-generic.c (lower_vec_perm): Likewise. * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise. * config/aarch64/aarch64.c (aarch64_evpc_tbl): Cast d->perm element type to HOST_WIDE_INT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * alias.c (addr_side_effect_eval): Take the size as a poly_int64 rather than an int. Use plus_constant. (memrefs_conflict_p): Take the sizes as poly_int64s rather than ints. Take the offset "c" as a poly_int64 rather than a HOST_WIDE_INT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * calls.c (emit_call_1, expand_call): Change struct_value_size from a HOST_WIDE_INT to a poly_int64. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * calls.c (load_register_parameters): Cope with polynomial mode sizes. Require a constant size for BLKmode parameters that aren't described by a PARALLEL. If BLOCK_REG_PADDING forces a parameter to be padded at the lsb end in order to fill a complete number of words, require the parameter size to be ordered wrt UNITS_PER_WORD. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * reload1.c (spill_stack_slot_width): Change element type from unsigned int to poly_uint64_pod. (alter_reg): Treat mode sizes as polynomial. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * reload.c (complex_word_subreg_p): New function. (reload_inner_reg_of_subreg, push_reload): Use it. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * lra-constraints.c (process_alt_operands): Reject matched operands whose sizes aren't ordered. (match_reload): Refer to this check here. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Assert that the mode size is in the set {1, 2, 4, 8, 16}. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * var-tracking.c (adjust_mems): Treat mode sizes as polynomial. Use plus_constant instead of gen_rtx_PLUS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * config/cr16/cr16-protos.h (cr16_push_rounding): Declare. * config/cr16/cr16.h (PUSH_ROUNDING): Move implementation to... * config/cr16/cr16.c (cr16_push_rounding): ...this new function. * config/h8300/h8300-protos.h (h8300_push_rounding): Declare. * config/h8300/h8300.h (PUSH_ROUNDING): Move implementation to... * config/h8300/h8300.c (h8300_push_rounding): ...this new function. * config/i386/i386-protos.h (ix86_push_rounding): Declare. * config/i386/i386.h (PUSH_ROUNDING): Move implementation to... * config/i386/i386.c (ix86_push_rounding): ...this new function. * config/m32c/m32c-protos.h (m32c_push_rounding): Take and return a poly_int64. * config/m32c/m32c.c (m32c_push_rounding): Likewise. * config/m68k/m68k-protos.h (m68k_push_rounding): Declare. * config/m68k/m68k.h (PUSH_ROUNDING): Move implementation to... * config/m68k/m68k.c (m68k_push_rounding): ...this new function. * config/pdp11/pdp11-protos.h (pdp11_push_rounding): Declare. * config/pdp11/pdp11.h (PUSH_ROUNDING): Move implementation to... * config/pdp11/pdp11.c (pdp11_push_rounding): ...this new function. * config/stormy16/stormy16-protos.h (xstormy16_push_rounding): Declare. * config/stormy16/stormy16.h (PUSH_ROUNDING): Move implementation to... * config/stormy16/stormy16.c (xstormy16_push_rounding): ...this new function. * expr.c (emit_move_resolve_push): Treat the input and result of PUSH_ROUNDING as a poly_int64. (emit_move_complex_push, emit_single_push_insn_1): Likewise. (emit_push_insn): Likewise. * lra-eliminations.c (mark_not_eliminable): Likewise. * recog.c (push_operand): Likewise. * reload1.c (elimination_effects): Likewise. * rtlanal.c (nonzero_bits1): Likewise. * calls.c (store_one_arg): Likewise. Require the padding to be known at compile time. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (emit_single_push_insn_1): Treat mode sizes as polynomial. Use plus_constant instead of gen_rtx_PLUS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64 rather than an int. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_real_1): Use tree_to_poly_uint64 instead of int_size_in_bytes when handling VIEW_CONVERT_EXPRs via stack temporaries. Treat the mode size as polynomial too. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_real_2): When handling conversions involving unions, apply tree_to_poly_uint64 to the TYPE_SIZE rather than multiplying int_size_in_bytes by BITS_PER_UNIT. Treat GET_MODE_BISIZE as a poly_uint64 too. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * rtlanal.c (subreg_get_info): Handle polynomial mode sizes. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * combine.c (can_change_dest_mode): Handle polynomial REGMODE_NATURAL_SIZE. * expmed.c (store_bit_field_1): Likewise. * expr.c (store_constructor): Likewise. * emit-rtl.c (validate_subreg): Operate on polynomial mode sizes and polynomial REGMODE_NATURAL_SIZE. (gen_lowpart_common): Likewise. * reginfo.c (record_subregs_of_mode): Likewise. * rtlanal.c (read_modify_subreg_p): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * internal-fn.c (expand_vector_ubsan_overflow): Handle polynomial numbers of elements. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * match.pd: Cope with polynomial numbers of vector elements. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * fold-const.c (fold_indirect_ref_1): Handle polynomial offsets in a POINTER_PLUS_EXPR. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * omp-simd-clone.c (simd_clone_subparts): New function. (simd_clone_init_simd_arrays): Use it instead of TYPE_VECTOR_SUBPARTS. (ipa_simd_modify_function_body): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-generic.c (nunits_for_known_piecewise_op): New function. (expand_vector_piecewise): Use it instead of TYPE_VECTOR_SUBPARTS. (expand_vector_addition, add_rshift, expand_vector_divmod): Likewise. (expand_vector_condition, vector_element): Likewise. (subparts_gt): New function. (get_compute_type): Use subparts_gt. (count_type_subparts): Delete. (expand_vector_operations_1): Use subparts_gt instead of count_type_subparts. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_no_alias_p): Replace with... (vect_compile_time_alias): ...this new function. Do the calculation on poly_ints rather than trees. (vect_prune_runtime_alias_test_list): Update call accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_build_slp_tree_1): Handle polynomial numbers of units. (vect_schedule_slp_instance): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_get_and_check_slp_defs): Reject constant and extern definitions for variable-length vectors. (vect_get_constant_vectors): Note that the number of units is known to be constant. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (vectorizable_conversion): Treat the number of units as polynomial. Choose between WIDE and NARROW based on multiple_p. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (simd_clone_subparts): New function. (vectorizable_simd_clone_call): Use it instead of TYPE_VECTOR_SUBPARTS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (vectorizable_call): Treat the number of vectors as polynomial. Use build_index_vector for IFN_GOMP_SIMD_LANE. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (get_load_store_type): Treat the number of units as polynomial. Reject VMAT_ELEMENTWISE and VMAT_STRIDED_SLP for variable-length vectors. (vectorizable_mask_load_store): Treat the number of units as polynomial, asserting that it is constant if the condition has already been enforced. (vectorizable_store, vectorizable_load): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vectorizable_live_operation): Treat the number of units as polynomial. Punt if we can't tell at compile time which vector contains the final result. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vectorizable_induction): Treat the number of units as polynomial. Punt on SLP inductions. Use an integer VEC_SERIES_EXPR for variable-length integer reductions. Use a cast of such a series for variable-length floating-point reductions. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree.h (build_index_vector): Declare. * tree.c (build_index_vector): New function. * tree-vect-loop.c (get_initial_defs_for_reduction): Treat the number of units as polynomial, forcibly converting it to a constant if vectorizable_reduction has already enforced the condition. (vect_create_epilog_for_reduction): Likewise. Use build_index_vector to create a {1,2,3,...} vector. (vectorizable_reduction): Treat the number of units as polynomial. Choose vectype_in based on the largest scalar element size rather than the smallest number of units. Enforce the restrictions relied on above. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vector_alignment_reachable_p): Treat the number of units as polynomial. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * target.h (vector_sizes, auto_vector_sizes): New typedefs. * target.def (autovectorize_vector_sizes): Return the vector sizes by pointer, using vector_sizes rather than a bitmask. * targhooks.h (default_autovectorize_vector_sizes): Update accordingly. * targhooks.c (default_autovectorize_vector_sizes): Likewise. * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Likewise. * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise. * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise. * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise. * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise. * omp-general.c (omp_max_vf): Likewise. * omp-low.c (omp_clause_aligned_alignment): Likewise. * optabs-query.c (can_vec_mask_load_store_p): Likewise. * tree-vect-loop.c (vect_analyze_loop): Likewise. * tree-vect-slp.c (vect_slp_bb): Likewise. * doc/tm.texi: Regenerate. * tree-vectorizer.h (current_vector_size): Change from an unsigned int to a poly_uint64. * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Take the vector size as a poly_uint64 rather than an unsigned int. (current_vector_size): Change from an unsigned int to a poly_uint64. (get_vectype_for_scalar_type): Update accordingly. * tree.h (build_truth_vector_type): Take the size and number of units as a poly_uint64 rather than an unsigned int. (build_vector_type): Add a temporary overload that takes the number of units as a poly_uint64 rather than an unsigned int. * tree.c (make_vector_type): Likewise. (build_truth_vector_type): Take the number of units as a poly_uint64 rather than an unsigned int. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * target.def (get_mask_mode): Take the number of units and length as poly_uint64s rather than unsigned ints. * targhooks.h (default_get_mask_mode): Update accordingly. * targhooks.c (default_get_mask_mode): Likewise. * config/i386/i386.c (ix86_get_mask_mode): Likewise. * doc/tm.texi: Regenerate. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * omp-general.h (omp_max_vf): Return a poly_uint64 instead of an int. * omp-general.c (omp_max_vf): Likewise. * omp-expand.c (omp_adjust_chunk_size): Update call to omp_max_vf. (expand_omp_simd): Handle polynomial safelen. * omp-low.c (omplow_simd_context): Add a default constructor. (omplow_simd_context::max_vf): Change from int to poly_uint64. (lower_rec_simd_input_clauses): Update accordingly. (lower_rec_input_clauses): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vect_nunits_for_cost): New function. * tree-vect-loop.c (vect_model_reduction_cost): Use it. * tree-vect-slp.c (vect_analyze_slp_cost_1): Likewise. (vect_analyze_slp_cost): Likewise. * tree-vect-stmts.c (vect_model_store_cost): Likewise. (vect_model_load_cost): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_record_max_nunits, vect_build_slp_tree_1) (vect_build_slp_tree_2, vect_build_slp_tree): Change max_nunits from an unsigned int * to a poly_uint64_pod *. (calculate_unrolling_factor): New function. (vect_analyze_slp_instance): Use it. Track polynomial max_nunits. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (_slp_instance::unrolling_factor): Change from an unsigned int to a poly_uint64. (_loop_vec_info::slp_unrolling_factor): Likewise. (_loop_vec_info::vectorization_factor): Change from an int to a poly_uint64. (MAX_VECTORIZATION_FACTOR): Bump from 64 to INT_MAX. (vect_get_num_vectors): New function. (vect_update_max_nunits, vect_vf_for_cost): Likewise. (vect_get_num_copies): Use vect_get_num_vectors. (vect_analyze_data_ref_dependences): Change max_vf from an int * to an unsigned int *. (vect_analyze_data_refs): Change min_vf from an int * to a poly_uint64 *. (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather than an unsigned HOST_WIDE_INT. * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr) (vect_analyze_data_ref_dependence): Change max_vf from an int * to an unsigned int *. (vect_analyze_data_ref_dependences): Likewise. (vect_compute_data_ref_alignment): Handle polynomial vf. (vect_enhance_data_refs_alignment): Likewise. (vect_prune_runtime_alias_test_list): Likewise. (vect_shift_permute_load_chain): Likewise. (vect_supportable_dr_alignment): Likewise. (dependence_distance_ge_vf): Take the vectorization factor as a poly_uint64 rather than an unsigned HOST_WIDE_INT. (vect_analyze_data_refs): Change min_vf from an int * to a poly_uint64 *. * tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Take vfm1 as a poly_uint64 rather than an int. Make the same change for the returned bound_scalar. (vect_gen_vector_loop_niters): Handle polynomial vf. (vect_do_peeling): Likewise. Update call to vect_gen_scalar_loop_niters and handle polynomial bound_scalars. (vect_gen_vector_loop_niters_mult_vf): Assert that the vf must be constant. * tree-vect-loop.c (vect_determine_vectorization_factor) (vect_update_vf_for_slp, vect_analyze_loop_2): Handle polynomial vf. (vect_get_known_peeling_cost): Likewise. (vect_estimate_min_profitable_iters, vectorizable_reduction): Likewise. (vect_worthwhile_without_simd_p, vectorizable_induction): Likewise. (vect_transform_loop): Likewise. Use the lowest possible VF when updating the upper bounds of the loop. (vect_min_worthwhile_factor): Make static. Return an unsigned int rather than an int. * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Cope with polynomial unroll factors. (vect_analyze_slp_cost_1, vect_analyze_slp_instance): Likewise. (vect_make_slp_decision): Likewise. (vect_supported_load_permutation_p): Likewise, and polynomial vf too. (vect_analyze_slp_cost): Handle polynomial vf. (vect_slp_analyze_node_operations): Likewise. (vect_slp_analyze_bb_1): Likewise. (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather than an unsigned HOST_WIDE_INT. * tree-vect-stmts.c (vectorizable_simd_clone_call, vectorizable_store) (vectorizable_load): Handle polynomial vf. * tree-vectorizer.c (simduid_to_vf::vf): Change from an int to a poly_uint64. (adjust_simduid_builtins, shrink_simd_arrays): Update accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * match.pd: Handle bit operations involving three constants and try to fold one pair. 2018-01-03 Richard Sandiford * tree-vect-loop-manip.c: Include gimple-fold.h. (slpeel_make_loop_iterate_ntimes): Add step, final_iv and niters_maybe_zero parameters. Handle other cases besides a step of 1. (vect_gen_vector_loop_niters): Add a step_vector_ptr parameter. Add a path that uses a step of VF instead of 1, but disable it for now. (vect_do_peeling): Add step_vector, niters_vector_mult_vf_var and niters_no_overflow parameters. Update calls to slpeel_make_loop_iterate_ntimes and vect_gen_vector_loop_niters. Create a new SSA name if the latter choses to use a ste other than zero, and return it via niters_vector_mult_vf_var. * tree-vect-loop.c (vect_transform_loop): Update calls to vect_do_peeling, vect_gen_vector_loop_niters and slpeel_make_loop_iterate_ntimes. * tree-vectorizer.h (slpeel_make_loop_iterate_ntimes, vect_do_peeling) (vect_gen_vector_loop_niters): Update declarations after above changes. 2018-01-02 Michael Meissner * config/rs6000/rs6000.md (floor2): Add support for IEEE 128-bit round to integer instructions. (ceil2): Likewise. (btrunc2): Likewise. (round2): Likewise. 2018-01-02 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_move): Allow the use of unaligned VSX load/store on P8/P9. (expand_block_clear): Allow the use of unaligned VSX load/store on P8/P9. 2018-01-02 Bill Schmidt * config/rs6000/rs6000-p8swap.c (swap_feeds_both_load_and_store): New function. (rs6000_analyze_swaps): Mark a web unoptimizable if it contains a swap associated with both a load and a store. 2018-01-02 Andrew Waterman * config/riscv/linux.h (ICACHE_FLUSH_FUNC): New. * config/riscv/riscv.md (clear_cache): Use it. 2018-01-02 Artyom Skrobov * web.c: Remove out-of-date comment. 2018-01-02 Richard Sandiford * expr.c (fixup_args_size_notes): Check that any existing REG_ARGS_SIZE notes are correct, and don't try to re-add them. (emit_single_push_insn_1): Move stack_pointer_delta adjustment to... (emit_single_push_insn): ...here. 2018-01-02 Richard Sandiford * rtl.h (CONST_VECTOR_ELT): Redefine to const_vector_elt. (const_vector_encoded_nelts): New function. (CONST_VECTOR_NUNITS): Redefine to use GET_MODE_NUNITS. (const_vector_int_elt, const_vector_elt): Declare. * emit-rtl.c (const_vector_int_elt_1): New function. (const_vector_elt): Likewise. * simplify-rtx.c (simplify_immed_subreg): Avoid taking the address of CONST_VECTOR_ELT. 2018-01-02 Richard Sandiford * expr.c: Include rtx-vector-builder.h. (const_vector_mask_from_tree): Use rtx_vector_builder and operate directly on the tree encoding. (const_vector_from_tree): Likewise. * optabs.c: Include rtx-vector-builder.h. (expand_vec_perm_var): Use rtx_vector_builder and create a repeating sequence of "u" values. * vec-perm-indices.c: Include rtx-vector-builder.h. (vec_perm_indices_to_rtx): Use rtx_vector_builder and operate directly on the vec_perm_indices encoding. 2018-01-02 Richard Sandiford * doc/rtl.texi (const_vector): Describe new encoding scheme. * Makefile.in (OBJS): Add rtx-vector-builder.o. * rtx-vector-builder.h: New file. * rtx-vector-builder.c: Likewise. * rtl.h (rtx_def::u2): Add a const_vector field. (CONST_VECTOR_NPATTERNS): New macro. (CONST_VECTOR_NELTS_PER_PATTERN): Likewise. (CONST_VECTOR_DUPLICATE_P): Likewise. (CONST_VECTOR_STEPPED_P): Likewise. (CONST_VECTOR_ENCODED_ELT): Likewise. (const_vec_duplicate_p): Check for a duplicated vector encoding. (unwrap_const_vec_duplicate): Likewise. (const_vec_series_p): Check for a non-duplicated vector encoding. Say that the function only returns true for integer vectors. * emit-rtl.c: Include rtx-vector-builder.h. (gen_const_vec_duplicate_1): Delete. (gen_const_vector): Call gen_const_vec_duplicate instead of gen_const_vec_duplicate_1. (const_vec_series_p_1): Operate directly on the CONST_VECTOR encoding. (gen_const_vec_duplicate): Use rtx_vector_builder. (gen_const_vec_series): Likewise. (gen_rtx_CONST_VECTOR): Likewise. * config/powerpcspe/powerpcspe.c: Include rtx-vector-builder.h. (swap_const_vector_halves): Take an rtx pointer rather than rtx. Build a new vector rather than modifying a CONST_VECTOR in-place. (handle_special_swappables): Update call accordingly. * config/rs6000/rs6000-p8swap.c: Include rtx-vector-builder.h. (swap_const_vector_halves): Take an rtx pointer rather than rtx. Build a new vector rather than modifying a CONST_VECTOR in-place. (handle_special_swappables): Update call accordingly. 2018-01-02 Richard Sandiford * simplify-rtx.c (simplify_const_binary_operation): Use CONST_VECTOR_ELT instead of XVECEXP. 2018-01-02 Richard Sandiford * tree-cfg.c (verify_gimple_assign_ternary): Allow the size of the selector elements to be different from the data elements if the selector is a VECTOR_CST. * tree-vect-stmts.c (vect_gen_perm_mask_any): Use a vector of ssizetype for the selector. 2018-01-02 Richard Sandiford * optabs.c (shift_amt_for_vec_perm_mask): Try using series_p before testing each element individually. * tree-vect-generic.c (lower_vec_perm): Likewise. 2018-01-02 Richard Sandiford * selftest.h (selftest::vec_perm_indices_c_tests): Declare. * selftest-run-tests.c (selftest::run_tests): Call it. * vector-builder.h (vector_builder::operator ==): New function. (vector_builder::operator !=): Likewise. * vec-perm-indices.h (vec_perm_indices::series_p): Declare. (vec_perm_indices::all_from_input_p): New function. * vec-perm-indices.c (vec_perm_indices::series_p): Likewise. (test_vec_perm_12, selftest::vec_perm_indices_c_tests): Likewise. * fold-const.c (fold_ternary_loc): Use tree_to_vec_perm_builder instead of reading the VECTOR_CST directly. Detect whether both vector inputs are the same before constructing the vec_perm_indices, and update the number of inputs argument accordingly. Use the utility functions added above. Only construct sel2 if we need to. 2018-01-02 Richard Sandiford * optabs.c (expand_vec_perm_var): Use an explicit encoding for the broadcast of the low byte. (expand_mult_highpart): Use an explicit encoding for the permutes. * optabs-query.c (can_mult_highpart_p): Likewise. * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_bswap): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Use an explicit encoding for the power-of-2 permutes. (vect_permute_store_chain): Likewise. (vect_grouped_load_supported): Likewise. (vect_permute_load_chain): Likewise. 2018-01-02 Richard Sandiford * vec-perm-indices.h (vec_perm_indices_to_tree): Declare. * vec-perm-indices.c (vec_perm_indices_to_tree): New function. * tree-ssa-forwprop.c (simplify_vector_constructor): Use it. * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (vectorizable_bswap): Likewise. (vect_gen_perm_mask_any): Likewise. 2018-01-02 Richard Sandiford * int-vector-builder.h: New file. * vec-perm-indices.h: Include int-vector-builder.h. (vec_perm_indices): Redefine as an int_vector_builder. (auto_vec_perm_indices): Delete. (vec_perm_builder): Redefine as a stand-alone class. (vec_perm_indices::vec_perm_indices): New function. (vec_perm_indices::clamp): Likewise. * vec-perm-indices.c: Include fold-const.h and tree-vector-builder.h. (vec_perm_indices::new_vector): New function. (vec_perm_indices::new_expanded_vector): Update for new vec_perm_indices class. (vec_perm_indices::rotate_inputs): New function. (vec_perm_indices::all_in_range_p): Operate directly on the encoded form, without computing elided elements. (tree_to_vec_perm_builder): Operate directly on the VECTOR_CST encoding. Update for new vec_perm_indices class. * optabs.c (expand_vec_perm_const): Create a vec_perm_indices for the given vec_perm_builder. (expand_vec_perm_var): Update vec_perm_builder constructor. (expand_mult_highpart): Use vec_perm_builder instead of auto_vec_perm_indices. * optabs-query.c (can_mult_highpart_p): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Use a single or double series encoding as appropriate. * fold-const.c (fold_ternary_loc): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_permute_store_chain): Likewise. (vect_grouped_load_supported): Likewise. (vect_permute_load_chain): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-slp.c (vect_build_slp_tree_1): Likewise. (vect_transform_slp_perm_load): Likewise. (vect_schedule_slp_instance): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_mask_load_store): Likewise. (vectorizable_bswap): Likewise. (vectorizable_store): Likewise. (vectorizable_load): Likewise. * tree-vect-generic.c (lower_vec_perm): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Use tree_to_vec_perm_builder to read the vector from a tree. * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Take a vec_perm_builder instead of a vec_perm_indices. (have_whole_vector_shift): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Leave the truncation to calc_vec_perm_mask_for_shift. (vect_create_epilog_for_reduction): Likewise. * config/aarch64/aarch64.c (expand_vec_perm_d::perm): Change from auto_vec_perm_indices to vec_perm_indices. (aarch64_expand_vec_perm_const_1): Use rotate_inputs on d.perm instead of changing individual elements. (aarch64_vectorize_vec_perm_const): Use new_vector to install the vector in d.perm. * config/arm/arm.c (expand_vec_perm_d::perm): Change from auto_vec_perm_indices to vec_perm_indices. (arm_expand_vec_perm_const_1): Use rotate_inputs on d.perm instead of changing individual elements. (arm_vectorize_vec_perm_const): Use new_vector to install the vector in d.perm. * config/powerpcspe/powerpcspe.c (rs6000_expand_extract_even): Update vec_perm_builder constructor. (rs6000_expand_interleave): Likewise. * config/rs6000/rs6000.c (rs6000_expand_extract_even): Likewise. (rs6000_expand_interleave): Likewise. 2018-01-02 Richard Sandiford * optabs-query.c (can_vec_perm_var_p): Check whether lowering to qimode could truncate the indices. * optabs.c (expand_vec_perm_var): Likewise. 2018-01-02 Richard Sandiford * Makefile.in (OBJS): Add vec-perm-indices.o. * vec-perm-indices.h: New file. * vec-perm-indices.c: Likewise. * target.h (vec_perm_indices): Replace with a forward class declaration. (auto_vec_perm_indices): Move to vec-perm-indices.h. * optabs.h: Include vec-perm-indices.h. (expand_vec_perm): Delete. (selector_fits_mode_p, expand_vec_perm_var): Declare. (expand_vec_perm_const): Declare. * target.def (vec_perm_const_ok): Replace with... (vec_perm_const): ...this new hook. * doc/tm.texi.in (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Replace with... (TARGET_VECTORIZE_VEC_PERM_CONST): ...this new hook. * doc/tm.texi: Regenerate. * optabs.def (vec_perm_const): Delete. * doc/md.texi (vec_perm_const): Likewise. (vec_perm): Refer to TARGET_VECTORIZE_VEC_PERM_CONST. * expr.c (expand_expr_real_2): Use expand_vec_perm_const rather than expand_vec_perm for constant permutation vectors. Assert that the mode of variable permutation vectors is the integer equivalent of the mode that is being permuted. * optabs-query.h (selector_fits_mode_p): Declare. * optabs-query.c: Include vec-perm-indices.h. (selector_fits_mode_p): New function. (can_vec_perm_const_p): Check whether targetm.vectorize.vec_perm_const is defined, instead of checking whether the vec_perm_const_optab exists. Use targetm.vectorize.vec_perm_const instead of targetm.vectorize.vec_perm_const_ok. Check whether the indices fit in the vector mode before using a variable permute. * optabs.c (shift_amt_for_vec_perm_mask): Take a mode and a vec_perm_indices instead of an rtx. (expand_vec_perm): Replace with... (expand_vec_perm_const): ...this new function. Take the selector as a vec_perm_indices rather than an rtx. Also take the mode of the selector. Update call to shift_amt_for_vec_perm_mask. Use targetm.vectorize.vec_perm_const instead of vec_perm_const_optab. Use vec_perm_indices::new_expanded_vector to expand the original selector into bytes. Check whether the indices fit in the vector mode before using a variable permute. (expand_vec_perm_var): Make global. (expand_mult_highpart): Use expand_vec_perm_const. * fold-const.c: Includes vec-perm-indices.h. * tree-ssa-forwprop.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm_const): Delete. * config/aarch64/aarch64-simd.md (vec_perm_const): Delete. * config/aarch64/aarch64.c (aarch64_expand_vec_perm_const) (aarch64_vectorize_vec_perm_const_ok): Fuse into... (aarch64_vectorize_vec_perm_const): ...this new function. (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. * config/arm/arm-protos.h (arm_expand_vec_perm_const): Delete. * config/arm/vec-common.md (vec_perm_const): Delete. * config/arm/arm.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (arm_expand_vec_perm_const, arm_vectorize_vec_perm_const_ok): Merge into... (arm_vectorize_vec_perm_const): ...this new function. Explicitly check for NEON modes. * config/i386/i386-protos.h (ix86_expand_vec_perm_const): Delete. * config/i386/sse.md (VEC_PERM_CONST, vec_perm_const): Delete. * config/i386/i386.c (ix86_expand_vec_perm_const_1): Update comment. (ix86_expand_vec_perm_const, ix86_vectorize_vec_perm_const_ok): Merge into... (ix86_vectorize_vec_perm_const): ...this new function. Incorporate the old VEC_PERM_CONST conditions. * config/ia64/ia64-protos.h (ia64_expand_vec_perm_const): Delete. * config/ia64/vect.md (vec_perm_const): Delete. * config/ia64/ia64.c (ia64_expand_vec_perm_const) (ia64_vectorize_vec_perm_const_ok): Merge into... (ia64_vectorize_vec_perm_const): ...this new function. * config/mips/loongson.md (vec_perm_const): Delete. * config/mips/mips-msa.md (vec_perm_const): Delete. * config/mips/mips-ps-3d.md (vec_perm_constv2sf): Delete. * config/mips/mips-protos.h (mips_expand_vec_perm_const): Delete. * config/mips/mips.c (mips_expand_vec_perm_const) (mips_vectorize_vec_perm_const_ok): Merge into... (mips_vectorize_vec_perm_const): ...this new function. * config/powerpcspe/altivec.md (vec_perm_constv16qi): Delete. * config/powerpcspe/paired.md (vec_perm_constv2sf): Delete. * config/powerpcspe/spe.md (vec_perm_constv2si): Delete. * config/powerpcspe/vsx.md (vec_perm_const): Delete. * config/powerpcspe/powerpcspe-protos.h (altivec_expand_vec_perm_const) (rs6000_expand_vec_perm_const): Delete. * config/powerpcspe/powerpcspe.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (altivec_expand_vec_perm_const_le): Take each operand individually. Operate on constant selectors rather than rtxes. (altivec_expand_vec_perm_const): Likewise. Update call to altivec_expand_vec_perm_const_le. (rs6000_expand_vec_perm_const): Delete. (rs6000_vectorize_vec_perm_const_ok): Delete. (rs6000_vectorize_vec_perm_const): New function. (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of an element count and rtx array. (rs6000_expand_extract_even): Update call accordingly. (rs6000_expand_interleave): Likewise. * config/rs6000/altivec.md (vec_perm_constv16qi): Delete. * config/rs6000/paired.md (vec_perm_constv2sf): Delete. * config/rs6000/vsx.md (vec_perm_const): Delete. * config/rs6000/rs6000-protos.h (altivec_expand_vec_perm_const) (rs6000_expand_vec_perm_const): Delete. * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (altivec_expand_vec_perm_const_le): Take each operand individually. Operate on constant selectors rather than rtxes. (altivec_expand_vec_perm_const): Likewise. Update call to altivec_expand_vec_perm_const_le. (rs6000_expand_vec_perm_const): Delete. (rs6000_vectorize_vec_perm_const_ok): Delete. (rs6000_vectorize_vec_perm_const): New function. Remove stray reference to the SPE evmerge intructions. (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of an element count and rtx array. (rs6000_expand_extract_even): Update call accordingly. (rs6000_expand_interleave): Likewise. * config/sparc/sparc.md (vec_perm_constv8qi): Delete in favor of... * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): ...this new function. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. 2018-01-02 Richard Sandiford * optabs.c (expand_vec_perm_1): Assert that SEL has an integer vector mode and that that mode matches the mode of the data being permuted. (expand_vec_perm): Split handling of non-CONST_VECTOR selectors out into expand_vec_perm_var. Do all CONST_VECTOR handling here, directly using expand_vec_perm_1 when forcing selectors into registers. (expand_vec_perm_var): New function, split out from expand_vec_perm. 2018-01-02 Richard Sandiford * optabs-query.h (can_vec_perm_p): Delete. (can_vec_perm_var_p, can_vec_perm_const_p): Declare. * optabs-query.c (can_vec_perm_p): Split into... (can_vec_perm_var_p, can_vec_perm_const_p): ...these two functions. (can_mult_highpart_p): Use can_vec_perm_const_p to test whether a particular selector is valid. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_grouped_load_supported): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-slp.c (vect_build_slp_tree_1): Likewise. (vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_bswap): Likewise. (vect_gen_perm_mask_checked): Likewise. * fold-const.c (fold_ternary_loc): Likewise. Don't take implementations of variable permutation vectors into account when deciding which selector to use. * tree-vect-loop.c (have_whole_vector_shift): Don't check whether vec_perm_const_optab is supported; instead use can_vec_perm_const_p with a false third argument. * tree-vect-generic.c (lower_vec_perm): Use can_vec_perm_const_p to test whether the constant selector is valid and can_vec_perm_var_p to test whether a variable selector is valid. 2018-01-02 Richard Sandiford * optabs-query.h (can_vec_perm_p): Take a const vec_perm_indices *. * optabs-query.c (can_vec_perm_p): Likewise. * fold-const.c (fold_vec_perm): Take a const vec_perm_indices & instead of vec_perm_indices. * tree-vectorizer.h (vect_gen_perm_mask_any): Likewise, (vect_gen_perm_mask_checked): Likewise, * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise, (vect_gen_perm_mask_checked): Likewise, 2018-01-02 Richard Sandiford * optabs-query.h (qimode_for_vec_perm): Declare. * optabs-query.c (can_vec_perm_p): Split out qimode search to... (qimode_for_vec_perm): ...this new function. * optabs.c (expand_vec_perm): Use qimode_for_vec_perm. 2018-01-02 Aaron Sawdey * rtlanal.c (canonicalize_condition): Return 0 if final rtx does not have a conditional at the top. 2018-01-02 Richard Biener * ipa-inline.c (big_speedup_p): Fix expression. 2018-01-02 Jan Hubicka PR target/81616 * config/i386/x86-tune-costs.h: Increase cost of integer load costs for generic 4->6. 2018-01-02 Jan Hubicka PR target/81616 Generic tuning. * x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17, cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14 and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase cond_taken_branch_cost 3->4. 2018-01-01 Jakub Jelinek PR tree-optimization/83581 * tree-loop-distribution.c (pass_loop_distribution::execute): Return TODO_cleanup_cfg if any changes have been made. PR middle-end/83608 * expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of convert_modes if target mode has the right side, but different mode class. PR middle-end/83609 * expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg last argument when extracting from CONCAT. If either from_real or from_imag is NULL, use expansion through memory. If result is not a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg the parts directly to inner mode, if even that fails, use expansion through memory. PR middle-end/83623 * expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT, check for bswap in mode rather than HImode and use that in expand_unop too. Copyright (C) 2018 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.