2021-03-24 Martin Liska PR target/99753 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one error. * config/i386/i386-options.c (ix86_option_override_internal): Add run-time assert. 2021-03-24 Martin Jambor PR ipa/99122 * ipa-cp.c (initialize_node_lattices): Mark as bottom all parameters with unknown type. (ipacp_value_safe_for_type): New function. (propagate_vals_across_arith_jfunc): Verify that the constant type can be used for a type of the formal parameter. (propagate_vals_across_ancestor): Likewise. (propagate_scalar_across_jump_function): Likewise. Pass the type also to propagate_vals_across_ancestor. 2021-03-24 Christophe Lyon PR target/99727 * config/arm/mve.md (movmisalign_mve_store): Use Ux constraint. (movmisalign_mve_load): Likewise. 2021-03-24 Jakub Jelinek PR target/99724 * config/arm/vec-common.md (one_cmpl2, neg2, movmisalign): Disable expanders for TARGET_REALLY_IWMMXT. 2021-03-24 Alexandre Oliva * doc/sourcebuild.texi (sysconf): New effective target. 2021-03-24 Alexandre Oliva * config/i386/predicates.md (reg_or_const_vec_operand): New. * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for the now *-prefixed insn_and_split, turn the splitter const vec into an input for the insn, making it an ignored immediate for non-split cases, and loaded into the scratch register otherwise. 2021-03-23 Vladimir N. Makarov PR target/99581 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty): Use define_relaxed_memory_constraint for them. 2021-03-23 Iain Sandoe PR target/99733 * config/host-darwin.c (darwin_gt_pch_use_address): Add a colon to the diagnostic message. 2021-03-23 Ilya Leoshkevich * fwprop.c (fwprop_propagation::fwprop_propagation): Look at set_info's uses. (try_fwprop_subst_note): Use set_info instead of insn_info. (try_fwprop_subst_pattern): Likewise. (try_fwprop_subst_notes): Likewise. (try_fwprop_subst): Likewise. (forward_propagate_subreg): Likewise. (forward_propagate_and_simplify): Likewise. (forward_propagate_into): Likewise. * rtl-ssa/accesses.h (set_info::single_nondebug_use) New method. (set_info::single_nondebug_insn_use): Likewise. (set_info::single_phi_use): Likewise. * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New method. (set_info::single_nondebug_insn_use): Likewise. (set_info::single_phi_use): Likewise. 2021-03-23 Christophe Lyon * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document. 2021-03-23 Jakub Jelinek PR target/99540 * config/aarch64/aarch64.c (aarch64_add_offset): Tell expand_mult to perform an unsigned rather than a signed multiplication. 2021-03-23 H.J. Lu PR target/99704 * config/i386/cpuid.h (__cpuid): Add __volatile__. (__cpuid_count): Likewise. 2021-03-23 Richard Biener PR tree-optimization/99721 * tree-vect-slp.c (vect_slp_analyze_node_operations): Make sure we can schedule the node. 2021-03-23 Marcus Comstedt * config/riscv/riscv.c (riscv_subword): Take endianness into account when calculating the byte offset. 2021-03-23 Marcus Comstedt * config/riscv/predicates.md (subreg_lowpart_operator): New predicate * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2) (*negsi2_extended2, *mulsi3_extended2, *si3_mask) (*si3_mask_1, *di3_mask, *di3_mask_1) (*si3_extend_mask, *si3_extend_mask_1): Use new predicate "subreg_lowpart_operator" 2021-03-23 Marcus Comstedt * config/riscv/riscv.c (riscv_swap_instruction): New function to byteswap an SImode rtx containing an instruction. (riscv_trampoline_init): Byteswap the generated instructions when needed. 2021-03-23 Marcus Comstedt * common/config/riscv/riscv-common.c (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness. * config.gcc (riscv32be-*, riscv64be-*): Set TARGET_BIG_ENDIAN_DEFAULT to 1. * config/riscv/elf.h (LINK_SPEC): Change -melf* value depending on default endianness. * config/riscv/freebsd.h (LINK_SPEC): Likewise. * config/riscv/linux.h (LINK_SPEC): Likewise. * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness. * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro. 2021-03-23 Marcus Comstedt * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag. * config/riscv/freebsd.h (LINK_SPEC): Likewise. * config/riscv/linux.h (LINK_SPEC): Likewise. * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and -mlittle-endian. (BYTES_BIG_ENDIAN): Handle big endian. (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN. * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New options. * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document. 2021-03-23 Stefan Schulze Frielinghaus * regcprop.c (find_oldest_value_reg): Ask target whether different mode is fine for replacement register. 2021-03-23 Aldy Hernandez PR tree-optimization/99296 * value-range.cc (irange::irange_set_1bit_anti_range): New. (irange::irange_set_anti_range): Call irange_set_1bit_anti_range * value-range.h (irange::irange_set_1bit_anti_range): New. 2021-03-22 Vladimir N. Makarov PR target/99581 * config/aarch64/constraints.md (UtQ): Use define_relaxed_memory_constraint for it. * doc/md.texi (define_relaxed_memory_constraint): Describe it. * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT. * genpreds.c (constraint_data): Add bitfield is_relaxed_memory. (have_relaxed_memory_constraints): New static var. (relaxed_memory_start, relaxed_memory_end): Ditto. (add_constraint): Add arg is_relaxed_memory. Check name for relaxed memory. Set up is_relaxed_memory in constraint_data and have_relaxed_memory_constraints. Adjust calls. (choose_enum_order): Process relaxed memory. (write_tm_preds_h): Ditto. (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT. * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT. * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY. * ira-lives.c (single_reg_class): Use insn_extra_relaxed_memory_constraint. * ira.c (ira_setup_alts): CT_RELAXED_MEMORY. * lra-constraints.c (valid_address_p): Use insn_extra_relaxed_memory_constraint instead of other memory constraints. (process_alt_operands): Process CT_RELAXED_MEMORY. (curr_insn_transform): Use insn_extra_relaxed_memory_constraint. * recog.c (asm_operand_ok, preprocess_constraints): Process CT_RELAXED_MEMORY. * reload.c (find_reloads): Ditto. * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New. * stmt.c (parse_input_constraint): Use insn_extra_relaxed_memory_constraint. 2021-03-22 Segher Boessenkool PR target/97926 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if there are no NaNs. 2021-03-22 Alex Coplan PR target/97252 * config/arm/arm-protos.h (neon_make_constant): Add generate argument to guard emitting insns, default to true. * config/arm/arm.c (arm_legitimate_constant_p_1): Reject CONST_VECTORs which neon_make_constant can't handle. (neon_vdup_constant): Add generate argument, avoid emitting insns if it's not set. (neon_make_constant): Plumb new generate argument through. * config/arm/constraints.md (Ui): New. Use it... * config/arm/mve.md (*mve_mov): ... here. * config/arm/vec-common.md (movv8hf): Use neon_make_constant to synthesize constants. 2021-03-22 Richard Biener * debug.h: Add deprecation warning. 2021-03-22 Richard Biener PR tree-optimization/99694 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the PHI result. 2021-03-22 Kito Cheng PR target/99702 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value after type checking. 2021-03-22 Jakub Jelinek PR debug/99562 PR debug/66728 * dwarf2out.c (get_full_len): Use get_precision rather than min_precision. (add_const_value_attribute): Make sure add_AT_wide argument has precision prec rather than some very wide one. 2021-03-22 Kewen Lin * config/rs6000/rs6000.md (*rotldi3_insert_sf, *movcc_p9, floatsi2_lfiwax, floatsi2_lfiwax_mem, floatunssi2_lfiwzx, floatunssi2_lfiwzx_mem, *floatsidf2_internal, *floatunssidf2_internal, fix_truncsi2_stfiwx, fix_truncsi2_internal, fixuns_truncsi2_stfiwx, *round322_fprs, *roundu322_fprs, *fix_truncsi2_internal): Fix empty split condition. * config/rs6000/vsx.md (*vsx_le_undo_permute_, vsx_reduc__v2df, vsx_reduc__v4sf, *vsx_reduc__v2df_scalar, *vsx_reduc__v4sf_scalar): Likewise. 2021-03-22 Xionghu Luo PR target/98914 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9): Convert idx to DImode. (rs6000_expand_vector_set_var_p8): Likewise. 2021-03-21 Jakub Jelinek PR debug/99388 * dwarf2out.c (insert_float): Change return type from void to unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size. (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Adjust callers. 2021-03-20 H.J. Lu PR target/99679 * config/i386/i386.c (construct_container): Check cfun != NULL before accessing silent_p. 2021-03-20 Ahamed Husni * asan.c: Fix typos in comments. 2021-03-20 Vladimir N. Makarov PR rtl-optimization/99680 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers. (process_address_1): Check empty constraint before using CONSTRAINT_LEN. 2021-03-19 Pat Haugen * config/rs6000/rs6000.c (power10_cost): New. (rs6000_option_override_internal): Set Power10 costs. (rs6000_issue_rate): Set Power10 issue rate. * config/rs6000/power10.md: Rewrite for Power10. 2021-03-19 Vladimir N. Makarov PR target/99663 * lra-constraints.c (process_address_1): Don't use unknown constraint for address constraint. 2021-03-19 Iain Sandoe PR target/99661 * config.gcc (powerpc-*-darwin8): Delete the reference to the now removed darwin8.h. 2021-03-19 Olivier Hainque PR target/99660 * config/vxworksae.h (VX_CPU_PREFIX): Define. 2021-03-19 John David Anglin * config/pa/pa.c (import_milli): Use memcpy instead of strncpy. 2021-03-19 Tamar Christina PR tree-optimization/99656 * tree-vect-slp-patterns.c (linear_loads_p, complex_add_pattern::matches, is_eq_or_top, vect_validate_multiplication, complex_mul_pattern::matches, complex_fms_pattern::matches): Remove complex_perm_kinds_t. * tree-vectorizer.h: (complex_load_perm_t): Removed. (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of complex_load_perm_t. 2021-03-19 H.J. Lu PR target/99652 * config/i386/i386-options.c (ix86_init_machine_status): Set silent_p to true. * config/i386/i386.c (init_cumulative_args): Set silent_p to false. (construct_container): Return early for return and argument errors if silent_p is true. * config/i386/i386.h (machine_function): Add silent_p. 2021-03-19 Jakub Jelinek PR target/99593 * config/arm/constraints.md (Ds): New constraint. * config/arm/vec-common.md (mve_vshlq_): Use w,Ds constraint instead of w,Dm. 2021-03-19 Andrew Stubbs * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes in error message. 2021-03-19 Eric Botcazou PR middle-end/99641 * fold-const.c (native_encode_initializer) : For an array type, do the computation of the current position in sizetype. 2021-03-18 Vladimir N. Makarov PR target/99422 * lra-constraints.c (process_address_1): Use lookup_constraint only for a single constraint. 2021-03-18 Martin Sebor PR middle-end/99502 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename... (inbounds_memaccess_p): ...to this. Check the ending offset of the accessed member. 2021-03-18 Andrew Stubbs * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and %> quote markers to error messages. (gcn_goacc_validate_dims): Likewise. (gcn_conditional_register_usage): Remove exclaimation mark from error message. (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized. 2021-03-18 Jan Hubicka * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of integer divides1. 2021-03-18 Sinan Lin Kito Cheng * config/riscv/riscv.c (riscv_block_move_straight): Change type to unsigned HOST_WIDE_INT for parameter and local variable with HOST_WIDE_INT type. (riscv_adjust_block_mem): Ditto. (riscv_block_move_loop): Ditto. (riscv_expand_block_move): Ditto. 2021-03-18 Nick Clifton * config/v850/v850.c (construct_restore_jr): Increase static buffer size. (construct_save_jarl): Likewise. * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define. 2021-03-18 Kyrylo Tkachov * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define. (aarch64_override_options_internal): Use it. (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to tune_flags. 2021-03-17 Sandra Loosemore * config/nios2/nios2.c (nios2_custom_check_insns): Clean up error message format issues. (nios2_option_override): Likewise. (nios2_expand_fpu_builtin): Likewise. (nios2_init_custom_builtins): Adjust to avoid bogus strncpy truncation warning. (nios2_expand_custom_builtin): More error message format fixes. (nios2_expand_rdwrctl_builtin): Likewise. (nios2_expand_rdprs_builtin): Likewise. (nios2_expand_eni_builtin): Likewise. (nios2_expand_builtin): Likewise. (nios2_register_custom_code): Likewise. (nios2_valid_target_attribute_rec): Likewise. (nios2_add_insn_asm): Fix uninitialized variable warning. 2021-03-17 Jan Hubicka * config/i386/x86-tune-costs.h (struct processor_costs): Update costs of gather to match reality. * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3. 2021-03-17 Kyrylo Tkachov * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ to compare against CC_REG rather than NE. 2021-03-17 H.J. Lu PR target/99504 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support inline assembly statements. (ix86_print_operand): Update 'P' handling for -fno-plt. 2021-03-17 Tamar Christina PR target/99542 * config/aarch64/aarch64.c (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var. 2021-03-16 Segher Boessenkool PR target/98092 * config/rs6000/predicates.md (branch_comparison_operator): Allow ordered and unordered for CCFPmode, if flag_finite_math_only. 2021-03-16 Jakub Jelinek PR target/99600 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT rather than ASHIFT. * config/i386/i386.md (mult by 1248 into ashift): New splitter. 2021-03-16 Martin Liska PR target/99592 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for cl_optimization_compare function. 2021-03-16 Ilya Leoshkevich * config/s390/s390.c (f_constraint_p): Treat "fv" constraints as "v". 2021-03-16 Jakub Jelinek PR target/99563 * config/i386/i386.h (struct machine_function): Add has_explicit_vzeroupper bitfield. * config/i386/i386-expand.c (ix86_expand_builtin): Set cfun->machine->has_explicit_vzeroupper when expanding IX86_BUILTIN_VZEROUPPER. * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper): Do the mode switching only when TARGET_VZEROUPPER, expensive optimizations turned on and not optimizing for size. (pass_insert_vzeroupper::gate): Enable even when cfun->machine->has_explicit_vzeroupper is set. 2021-03-16 Jakub Jelinek PR target/99542 * config/aarch64/aarch64.c (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function definition, walk TYPE_ARG_TYPES list if non-NULL for argument types instead of DECL_ARGUMENTS. Ignore types for uniform arguments. 2021-03-15 Richard Biener PR tree-optimization/98834 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing subsetting by truncating the access size. 2021-03-15 Jan Hubicka * config/i386/i386-options.c (processor_cost_table): Add znver3_cost. * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy of znver2_cost. 2021-03-15 Martin Liska * spellcheck.c: Add missing comma in initialization. 2021-03-14 Uroš Bizjak * config/i386/sse.md (*vec_extract): Merge alternative 0 with alternative 2 and alternative 1 with alternative 3 using YW register constraint. (*vec_extract_zext): Merge alternatives using YW register constraint. (*vec_extractv16qi_zext): Ditto. (*vec_extractv4si): Merge alternatives 4 and 5 using Yw register constraint. (*ssse3_palignr_perm): Use Yw instead of v for alternative 3. 2021-03-13 Martin Sebor PR tree-optimization/99489 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument is not a call statement. 2021-03-13 Jakub Jelinek PR tree-optimization/99544 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify if for vector types multiplication can't be done in type's mode. 2021-03-12 Eric Botcazou PR target/99422 * config/sparc/constraints.md (w): Rename to... (W): ... this and ditch previous implementation. * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m. (*movdf_insn_sp64): Likewise. (*mov_insn_sp64): Likewise. * config/sparc/sync.md (*atomic_compare_and_swap_1): Replace w with W. (atomic_compare_and_swap_leon3_1): Likewise. (*atomic_compare_and_swapdi_v8plus): Likewise. * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on architecture and add missing address validity check during LRA. 2021-03-12 Tobias Burnus PR fortran/98858 * gimplify.c (omp_add_variable): Handle NULL_TREE as size occuring for assumed-size arrays in use_device_{ptr,addr}. 2021-03-12 Jakub Jelinek PR target/99321 * config/i386/constraints.md (YW): New internal constraint. * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases. (*_3, *_uavg3, *abs2, *mul3_highpart): Use instead of v in constraints. (_psadbw): Use YW instead of v in constraints. (*avx2_pmaddwd, *sse2_pmaddwd, *v8hi3, *v16qi3, avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives into one, use Yw instead of former x,v. (ashr3, 3): Use instead of x in constraints of the last alternative. (_packsswb, _packssdw, _packuswb, _packusdw, *_pmulhrsw3, _palignr, _pshufb3): Merge last two alternatives into one, use instead of former x,v. (avx2_interleave_highv32qi, vec_interleave_highv16qi): Use Yw instead of v in constraints. Add && to condition. (avx2_interleave_lowv32qi, vec_interleave_lowv16qi, avx2_interleave_highv16hi, vec_interleave_highv8hi, avx2_interleave_lowv16hi, vec_interleave_lowv8hi, avx2_pshuflw_1, sse2_pshuflw_1, avx2_pshufhw_1, sse2_pshufhw_1, avx2_v16qiv16hi2, sse4_1_v8qiv8hi2, *sse4_1_v8qiv8hi2_1, _3): Use Yw instead of v in constraints. * config/i386/mmx.md (Yv_Yw): New define_mode_attr. (*mmx_3, mmx_ashr3, mmx_3): Use instead of Yv in constraints. (*mmx_3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart, *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_v4hi3, *mmx_v8qi3, mmx_packswb, mmx_packssdw, mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd, *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in constraints. (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb, *mmx_pextrb_zext): Use YW instead of Yv in constraints. (*mmx_eq3, mmx_gt3): Use x instead of Yv in constraints. (mmx_andnot3, *mmx_3): Split last alternative into two, one with just x, another isa avx512vl with v. 2021-03-12 Martin Liska * doc/invoke.texi: Add missing param documentation. 2021-03-11 David Malcolm PR analyzer/96374 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and analyzer/trimmed-graph.o. * doc/analyzer.texi (Analyzer Paths): Rewrite description of feasibility checking to reflect new implementation. * doc/invoke.texi (-fdump-analyzer-feasibility): Document new option. * shortest-paths.h (shortest_paths::get_shortest_distance): New. 2021-03-11 David Malcolm * digraph.cc (selftest::test_shortest_paths): Update shortest_paths init for new param. Add test of SPS_TO_GIVEN_TARGET. * shortest-paths.h (enum shortest_path_sense): New. (shortest_paths::shortest_paths): Add "sense" param. Update for renamings. Generalize to use "sense" param. (shortest_paths::get_shortest_path): Rename param. (shortest_paths::m_sense): New field. (shortest_paths::m_prev): Rename... (shortest_paths::m_best_edge): ...to this. (shortest_paths::get_shortest_path): Update for renamings. Conditionalize flipping of path on sense of traversal. 2021-03-11 David Malcolm * digraph.cc (selftest::test_shortest_paths): Add test coverage for paths from B and C. * shortest-paths.h (shortest_paths::shortest_paths): Handle unreachable nodes, rather than asserting. 2021-03-11 David Edelsohn PR target/99094 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create xcoff_tbss_section_name. * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm. * xcoffout.c (xcoff_tbss_section_name): Delete. * xcoffout.h (xcoff_tbss_section_name): Delete. 2021-03-11 Richard Biener PR tree-optimization/99523 * tree-cfg.c (dump_function_to_file): Dump SSA names w/o identifier to the decls section as well, not only those without a VAR_DECL. 2021-03-11 Jakub Jelinek PR ipa/99517 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal function calls with lhs fail if the lhs don't have compatible types. 2021-03-11 Hans-Peter Nilsson * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define. Change FRAME_POINTER_REGNUM to correspond to a new faked register faked_fp, part of GENNONACR_REGS like faked_ap. (CRIS_FAKED_REGS_CONTENTS): New helper macro. (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS): (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P) (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly. * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked register. (CRIS_REAL_FP_REGNUM): New constant. * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM. (cris_initial_elimination_offset): Handle elimination changes to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM and add one from FRAME_POINTER_REGNUM to HARD_FRAME_POINTER_REGNUM. (cris_expand_prologue, cris_expand_epilogue): Emit code for hard_frame_pointer_rtx instead of frame_pointer_rtx. 2021-03-10 David Edelsohn PR target/99492 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode. * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same. 2021-03-10 Vladimir N. Makarov PR target/99422 * lra-constraints.c (process_address_1): Don't check unknown constraint, use X for empty constraint. 2021-03-10 Alex Coplan * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate): Fix typo in comment describing "is_ha" argument. 2021-03-10 John David Anglin * doc/sourcebuild.texi: Document LRA target selector. 2021-03-10 David Malcolm * doc/ux.texi: Add subsection contrasting interactive versus batch usage of GCC. 2021-03-10 Joel Hutton PR target/99102 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask check condition. (vectorizable_load): Fix gather load mask check condition. 2021-03-10 Richard Biener PR tree-optimization/99510 * tree.c (check_aligned_type): Check that the candidate has TYPE_USER_ALIGN set instead of matching with the original type. 2021-03-10 Eric Botcazou * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for float and vector integer modes only if the mode is not larger. 2021-03-10 Hans-Peter Nilsson * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define. 2021-03-09 Vladimir N. Makarov * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital constraints > 9. * ira-lives.c (single_reg_class): Ditto. 2021-03-09 Sebastian Huber * config.gcc (aarch64-*-rtems*): Include general rtems.h after the architecture-specific rtems.h. (aarch64-*-rtems*): Likewise. (arm*-*-rtems*): Likewise. (epiphany-*-rtems*): Likewise. (riscv*-*-rtems*): Likewise. 2021-03-09 Jakub Jelinek PR tree-optimization/99305 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p before integer_all_onesp instead of vice versa. 2021-03-09 Richard Earnshaw * common/config/arm/arm-common.c (arm_config_default): Change type of 'i' to unsigned. 2021-03-09 Vladimir N. Makarov PR target/99454 * lra-constraints.c (process_address_1): Process constraint 'g' separately and digital constraints containing more one digit. 2021-03-09 Nick Clifton * config/rx/rx.h (DBX_DEBUGGING_INFO): Define. (DWARF"_DEBUGGING_INFO): Define. 2021-03-09 Eric Botcazou PR c++/90448 * calls.c (initialize_argument_information): When the argument is passed by reference, do not make a copy in a thunk only if the argument is already in memory. Remove redundant test for the case of callee copy. 2021-03-09 Vladimir N. Makarov PR target/99454 * lra-constraints.c (process_address_1): Process 0..9 constraints in process_address_1. 2021-03-09 Andreas Krebbel * config/s390/s390.c (struct s390_processor processor_table): Binutils name string must not be empty. 2021-03-09 Claudiu Zissulescu * config/arc/arc.c (arc_attr_type): Remove function. 2021-03-09 Martin Liska PR target/99464 * config/i386/i386-options.c (ix86_option_override_internal): Set isa_flags for OPTS argument and not for the global global_options. 2021-03-09 Aaron Sawdey * config/rs6000/predicates.md (ds_form_mem_operand): Check in correct code. 2021-03-09 Aaron Sawdey PR target/99070 * config/rs6000/predicates.md (ds_form_mem_operand) New predicate. * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use ds_form_mem_operand in ld/lwa patterns. * config/rs6000/fusion.md: Regenerate file. 2021-03-08 Martin Sebor PR middle-end/98266 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function. (array_bounds_checker::check_array_bounds): Call it. 2021-03-08 Martin Sebor PR middle-end/97631 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem. (handle_builtin_stxncpy_strncat): Rename locals. Determine destination size from allocation calls. Issue a more appropriate kind of warning. (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow. (handle_builtin_memset): Same. 2021-03-08 Peter Bergner PR target/98959 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert to ensure we do not have an Altivec style address. * config/rs6000/vsx.md (*vsx_le_perm_load_): Disable if passed an Altivec style address. (*vsx_le_perm_store_): Likewise. (splitters after *vsx_le_perm_store_): Likewise. (vsx_load_): Disable special expander if passed an Altivec style address. (vsx_store_): Likewise. 2021-03-08 Kyrylo Tkachov PR target/99437 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define. (aarch64_simd_shift_imm_vec_hi): Likewise. (aarch64_simd_shift_imm_vec_si): Likewise. (aarch64_simd_shift_imm_vec_di): Likewise. * config/aarch64/aarch64-simd.md (aarch64_shrn_insn_le): Use predicate from above. (aarch64_shrn_insn_be): Likewise. (aarch64_rshrn_insn_le): Likewise. (aarch64_rshrn_insn_be): Likewise. (aarch64_shrn2_insn_le): Likewise. (aarch64_shrn2_insn_be): Likewise. (aarch64_rshrn2_insn_le): Likewise. (aarch64_rshrn2_insn_be): Likewise. 2021-03-08 Vladimir N. Makarov PR target/99422 * lra-constraints.c (skip_contraint_modifiers): New function. (process_address_1): Use it before lookup_constraint call. 2021-03-08 Martin Liska PR target/99463 * config/i386/i386-options.c (ix86_option_override_internal): Enable UINTR and HRESET for -march that supports it. 2021-03-08 Ilya Leoshkevich * config/s390/s390.c (f_constraint_p): New function. (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST. (TARGET_MD_ASM_ADJUST): Likewise. 2021-03-08 Tobias Burnus PR fortran/97927 * tree-nested.c (convert_local_reference_stmt): Avoid calling lookup_field_for_decl for Fortran module (= namespace context). 2021-03-08 Andreas Krebbel * config/s390/s390.c (s390_expand_vec_compare): Implement <0 comparison with arithmetic right shift. (s390_expand_vcond): No need for a force_reg anymore. s390_vec_compare will do it. * config/s390/vector.md ("vec_cmp"): Accept also immediate operands. 2021-03-07 Jakub Jelinek PR target/99321 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description and comment. * config/i386/sse.md (v_Yw): New define_mode_attr. (*3, *mul3, *avx2_3, *sse4_1_3): Use instead of v in constraints. * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of xYw in constraints. 2021-03-06 Julian Brown * tree-pretty-print.c (dump_generic_node): Emit non-generic address space info for aggregates. 2021-03-06 Hans-Peter Nilsson * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define. 2021-03-05 Jakub Jelinek PR middle-end/99322 * tree-cfg.c (bb_to_omp_idx): New variable. (execute_build_cfg): Release the bb_to_omp_idx vector after cleanup_tree_cfg returns. (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust for bb_to_omp_idx being a vec instead of pointer to array of ints. (make_edges): Remove bb_to_omp_idx local variable, don't pass it to handle_abnormal_edges, adjust for bb_to_omp_idx being a vec instead of pointer to array of ints and don't free/release it at the end. (remove_bb): When removing a bb and placing forced label somewhere else, ensure it is put into the same OpenMP region during cfg pass if possible or to entry successor as fallback. Unregister bb from bb_to_omp_idx. 2021-03-05 Vladimir N. Makarov PR target/99378 * lra-constraints.c (process_address_1): Skip decomposing address for asm insn operand with unknown constraint. 2021-03-05 Martin Jambor PR ipa/98078 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all corresponding speculative edges if we are about to resolve sepculation. Make edge direct (and so resolve speculations) before removing it from call_site_hash. (cgraph_edge::make_direct): Relax the initial assert to allow calling the function on speculative direct edges. 2021-03-05 Eric Botcazou PR rtl-optimization/99376 * rtlanal.c (nonzero_bits1) : If the number of low-order zero bits is too large, set the result to 0 directly. 2021-03-04 Jakub Jelinek PR middle-end/93235 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a SUBREG and a SUBREG to op_mode can't be created. 2021-03-04 Alex Coplan PR target/99381 * config/aarch64/aarch64-sve-builtins.cc (function_resolver::require_vector_type): Handle error_mark_node. 2021-03-04 Ilya Leoshkevich * cfgexpand.c (expand_asm_loc): Pass new parameter. (expand_asm_stmt): Likewise. * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new parameter. * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise. * config/arm/arm.c (thumb1_md_asm_adjust): Likewise. * config/cris/cris.c (cris_md_asm_adjust): Likewise. * config/i386/i386.c (ix86_md_asm_adjust): Likewise. * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise. * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise. * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise. * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise. * config/vax/vax.c (vax_md_asm_adjust): Likewise. * config/visium/visium.c (visium_md_asm_adjust): Likewise. * doc/tm.texi (md_asm_adjust): Likewise. * target.def (md_asm_adjust): Likewise. 2021-03-04 Richard Biener PR middle-end/97855 * tree-pretty-print.c: Poison pp_printf. (dump_decl_name): Avoid use of pp_printf. (dump_block_node): Likewise. (dump_generic_node): Likewise. 2021-03-04 Martin Sebor PR middle-end/96963 PR middle-end/94655 * builtins.c (handle_array_ref): New helper. (handle_mem_ref): New helper. (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling into new helper functions. Correct a workaround for vectorized assignments. 2021-03-03 Pat Haugen * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp_internal1, floatditd2, ftrunc2, fixdi2, dfp_ddedpd_, dfp_denbcd_, dfp_dxex_, dfp_diex_, *dfp_sgnfcnc_, dfp_dscli_, dfp_dscri_): Update size attribute for Power10. * config/rs6000/mma.md (*movoo): Likewise. * config/rs6000/rs6000.md (define_attr "size"): Add 256. (define_mode_attr bits): Add DD/TD modes. * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti, store_conditionalpti): Update size attribute for Power10. 2021-03-03 Rainer Orth PR bootstrap/92002 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for -Wuninitialized, -Wmaybe-uninitialized. (wide-int.o-warn): Likewise. 2021-03-03 Richard Earnshaw * common/config/arm/arm-common.c: Include configargs.h. (arm_config_default): New function. (arm_target_mode): Renamed from arm_target_thumb_only. Handle processors that do not support Thumb. Take into account the --with-mode configuration setting for selecting the default. * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'. (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change. 2021-03-03 Martin Liska PR gcov-profile/97461 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove. 2021-03-03 Eric Botcazou PR target/99234 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target, point back the hard frame pointer to its default location when the frame is larger than SEH_MAX_FRAME_SIZE. 2021-03-03 Jakub Jelinek PR target/99321 * config/i386/predicates.md (logic_operator): New define_predicate. * config/i386/i386.md (mov + mem using comm arith peephole2): Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled and the inner mode is [QH]Imode. 2021-03-03 Jakub Jelinek PR debug/99090 * dwarf2out.c (dw_loc_list_struct): Add end_entry member. (new_loc_list): Clear end_entry. (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment typo. (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128, initialize also end_entry. 2021-03-03 Jakub Jelinek PR target/99085 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold partitions, if in non-layout mode after reorder_blocks also move affected blocks to ensure a single partition transition. 2021-03-03 Jason Merrill PR c++/96078 * cgraphunit.c (process_function_and_variable_attributes): Don't warn about flatten on an alias if the target also has it. * cgraph.h (symtab_node::get_alias_target_tree): New. 2021-03-02 David Edelsohn * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend period to symbol name. (tls_get_addr_internal): Same. 2021-03-02 David Malcolm PR c/99323 * diagnostic-show-locus.c (selftest::test_one_liner_many_fixits_2): Fix accidental usage of column 0. 2021-03-02 Martin Sebor PR middle-end/99276 * builtins.c (warn_for_access): Remove stray warning text. 2021-03-02 Martin Sebor PR middle-end/99295 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing property. 2021-03-02 Jakub Jelinek PR debug/99319 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle DW_MACRO_define_strx and DW_MACRO_undef_strx. (save_macinfo_strings): Use DW_MACRO_*_str* even with -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and DW_MACRO_undef_strx. 2021-03-02 Andreas Krebbel * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New builtin signature. (BT_FN_V8HI_V8HI_UINT): Likewise. (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise. * config/s390/s390-builtins.def (B_NNPA): New macro definition. (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf): New builtin definitions. * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump vector extension version. * config/s390/s390.c (s390_expand_builtin): Check if builtins are available with current -march level. * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI) (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI) (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants. * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro. (vec_extend_to_fp32_lo): Likewise. (vec_round_from_fp32): Likewise. (vec_convert_to_fp16): Likewise. (vec_convert_from_fp16): Likewise. * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern. (vclfnls_v8hi): Likewise. (vcrnfs_v8hi): Likewise. (vcfn_v8hi): Likewise. (vcnf_v8hi): Likewise. 2021-03-02 Andreas Krebbel * common/config/s390/s390-common.c (processor_flags_table): New entry. * config.gcc: Enable arch14 for --with-arch and --with-tune. * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick arch14 for unknown CPU models. * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14. * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14. (s390_get_sched_attrmask): Likewise. (s390_get_unit_mask): Likewise. * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14. (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA) (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA) (TARGET_NNPA_P): New macro definitions. * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa. * config/s390/s390.opt: Add PROCESSOR_ARCH14. 2021-03-02 Jakub Jelinek PR middle-end/95757 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and != 1 comparisons if name is lhs of a comparison. 2021-03-01 Iain Sandoe PR target/44107 PR target/48097 * config/darwin-protos.h (darwin_should_restore_cfa_state): New. * config/darwin.c (darwin_should_restore_cfa_state): New. * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New. * doc/tm.texi: Regenerated. * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE. * dwarf2cfi.c (connect_traces): If the target requests, restore the CFA expression after a DW_CFA_restore. * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook. 2021-03-01 Martin Liska PR target/99313 * optc-save-gen.awk: Add 4 more exceptions. 2021-03-01 Nathan Sidwell PR c++/99294 * tree.h (TYPE_ALIGN_RAW): New accessor. (TYPE_ALIGN): Use it. 2021-03-01 Jan Hubicka PR ipa/98338 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check. 2021-03-01 Eric Botcazou PR target/99234 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target, point the hard frame pointer to the SSE register save area instead of the general register save area. Perform only minimal adjustment for small frames if it is initially not correctly aligned. (ix86_expand_prologue): Remove early saves for a SEH target. * config/i386/winnt.c (struct seh_frame_state): Document constraint. 2021-02-28 Jakub Jelinek PR c/99304 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment typo - referneced -> referenced. * tree.c (component_ref_size): Fix comment typo - refernce -> reference. * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo - traling -> trailing. (aliasing_component_refs_p): Fix comment typos - refernce -> reference and refernece -> reference and traling -> trailing. (nonoverlapping_refs_since_match_p): Fix comment typo - referneces -> references. * doc/invoke.texi (--param modref-max-bases): Fix a typo - referneces -> references. 2021-02-27 Iain Sandoe * config/host-darwin.c (darwin_gt_pch_use_address): Modify diagnostic message to avoid use of a contraction and format warning. 2021-02-27 Jakub Jelinek PR other/99288 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of HOST_WIDE_INT_PRINT_UNSIGNED in warning format string. * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment typos. 2021-02-26 Richard Biener PR middle-end/99281 * expr.c (store_field): For calls with return-slot optimization and addressable return type expand the store directly. 2021-02-26 Richard Biener PR c/99275 * builtins.c (warn_string_no_nul): Fix diagnostic formatting. 2021-02-26 Peter Bergner PR target/99279 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert with an "if" test. 2021-02-26 Aaron Sawdey * config.gcc: Add rs6000-pcrel-opt.o. * config/rs6000/rs6000-pcrel-opt.c: New file. * config/rs6000/pcrel-opt.md: New file. * config/rs6000/predicates.md: Add d_form_memory predicate. * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT. * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt. * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(), pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(), and make_pass_pcrel_opt(). * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global. (rs6000_option_override_internal): Add pcrel-opt. (rs6000_delegitimize_address): Support pcrel-opt. (rs6000_opt_masks): Add pcrel-opt. (pcrel_opt_valid_mem_p): New function. (reg_to_non_prefixed): Make global. (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn. (output_pcrel_opt_reloc): New function. * config/rs6000/rs6000.md (loads_extern_addr): New attr. (pcrel_extern_addr): Set loads_extern_addr. Add include for pcrel-opt.md. * config/rs6000/rs6000.opt: Add -mpcrel-opt. * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and pcrel-opt.md. 2021-02-26 YunQiang Su PR target/98996 * config/mips/mips.c (mips_expand_ext_as_unaligned_load): If TARGET_64BIT and dest is SUBREG, we check the width, if it equal to SImode, we use SImode operation, just like what we are doing for REG one. 2021-02-26 Marek Polacek * builtins.c (warn_for_access): Fix typos. 2021-02-25 Iain Sandoe * config/aarch64/aarch64.md (_rol3): Add a '#' mark in front of the immediate quantity. (_rolsi3_uxtw): Likewise. 2021-02-25 Richard Earnshaw PR target/99271 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern. (nonsecure_call_value_reg_thumb2_fpcxt): Likewise. (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee address and disable when the FPCXT is not available. (nonsecure_call_value_reg_thumb2): Likewise. 2021-02-25 Nathan Sidwell PR c++/99166 * doc/invoke.texi (flang-info-module-cmi): Renamed option. 2021-02-25 Tamar Christina * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes. 2021-02-25 Richard Biener PR tree-optimization/99253 * tree-vect-loop.c (check_reduction_path): First compute code, then verify out-of-loop uses. 2021-02-25 Jakub Jelinek PR target/95798 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert. 2021-02-25 Jakub Jelinek PR tree-optimization/80635 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle VIEW_CONVERT_EXPR if modes are the same, innerop is integral and has mode precision. 2021-02-25 Richard Biener * tree-vect-slp.c (optimize_load_redistribution_1): Delay load_map population. (vect_match_slp_patterns_2): Revert part of last change. (vect_analyze_slp): Do not interleave optimize_load_redistribution with pattern detection but do it afterwards. Dump the whole SLP graph after pattern recognition and load redistribution optimization finished. 2021-02-24 Jakub Jelinek PR fortran/99226 * omp-low.c (struct omp_context): Add teams_nested_p and nonteams_nested_p members. (scan_omp_target): Diagnose teams nested inside of target with other directives strictly nested inside of the same target. (check_omp_nesting_restrictions): Set ctx->teams_nested_p or ctx->nonteams_nested_p as needed. 2021-02-24 Vladimir N. Makarov PR inline-asm/99123 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address. 2021-02-24 Hans-Peter Nilsson * config/cris/cris.c (cris_expand_prologue): Set current_function_static_stack_size, if flag_stack_usage_info. 2021-02-24 Pat Haugen * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename. (rs6000_final_prescan_insn): Adjust. (rs6000_asm_output_opcode): Likewise. 2021-02-24 Martin Sebor PR middle-end/97172 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec from function arguments. 2021-02-24 Tamar Christina PR tree-optimization/99220 * tree-vect-slp.c (optimize_load_redistribution_1): Remove node from cache when it's about to be deleted. 2021-02-24 Jakub Jelinek PR tree-optimization/99225 * fold-const.c (fold_binary_loc) : In (x & (1 << y)) != 0 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of build_int_cst (..., 1). Formatting fixes. 2021-02-24 Tamar Christina PR tree-optimization/99149 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the buffer. (vect_slp_reset_pattern): Remove. (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern. (complex_mul_pattern::build, complex_fma_pattern::build, complex_fms_pattern::build): Fix ref counts. * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy when node is being deleted. (vect_match_slp_patterns_2): Correct result of cache hit on patterns. (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed stores. * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value. 2021-02-24 Matthias Klose Revert: 2020-12-07 Matthias Klose * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING and ENABLE_RTL_FLAG_CHECKING. 2021-02-24 Richard Biener PR c/99224 * builtins.c (fold_builtin_next_arg): Avoid NULL arg. 2021-02-23 Peter Bergner * config/rs6000/mma.md (mma_assemble_pair): Rename from this... (vsx_assemble_pair): ...to this. (*mma_assemble_pair): Rename from this... (*vsx_assemble_pair): ...to this. (mma_disassemble_pair): Rename from this... (vsx_disassemble_pair): ...to this. (*mma_disassemble_pair): Rename from this... (*vsx_disassemble_pair): ...to this. * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3, BU_COMPAT): New macros. (mma_assemble_pair): Rename from this... (vsx_assemble_pair): ...to this. (mma_disassemble_pair): Rename from this... (vsx_disassemble_pair): ...to this. (mma_assemble_pair): New compatibility built-in. (mma_disassemble_pair): Likewise. * config/rs6000/rs6000-call.c (struct builtin_compatibility): New. (RS6000_BUILTIN_COMPAT): Define. (bdesc_compat): New. (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL. (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR and VSX_BUILTIN_ASSEMBLE_PAIR. (rs6000_init_builtins): Register compatibility built-ins. (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR, VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL. * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this... (__builtin_vsx_assemble_pair): ...to this. (__builtin_mma_disassemble_pair): Rename from this... (__builtin_vsx_disassemble_pair): ...to this. 2021-02-23 Martin Liska PR sanitizer/99168 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables with different alignment. That leads to an invalid red zone size allocated in runtime. 2021-02-23 Jakub Jelinek PR tree-optimization/99204 * fold-const.c (fold_read_from_constant_string): Check that tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST. 2021-02-23 Segher Boessenkool Kewen Lin * config/rs6000/rs6000.md (*rotl3_insert_3): Renamed to... (rotl3_insert_3): ...this. (plus_ior_xor): New code_iterator. (define_split for GPR rl*imi): New splitter. * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3 for integer merging. 2021-02-22 Kyrylo Tkachov * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants): Define. * config/aarch64/aarch64.md (add3): Force CONST_POLY_INT immediates into a register when the above is enabled. * config/aarch64/aarch64.c (neoversev1_tunings): AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS. (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS. 2021-02-22 Hans-Peter Nilsson * config/cris/cris.c (cris_print_operand) <'T'>: Change valid operand from is now an addi mult-value to shift-value. * config/cris/cris.md (*addi): Change expression of scaled operand from mult to ashift. * config/cris/cris.md (*addi_reload): New insn_and_split. 2021-02-22 John David Anglin PR target/85074 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as hook_bool_const_tree_hwi_hwi_const_tree_true. (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset. 2021-02-22 Andre Vieira PR rtl-optimization/98791 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies for unordered modes. 2021-02-22 Martin Liska * tree-inline.c (inline_forbidden_p): Set inline_forbidden_reason. 2021-02-22 Richard Biener * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump costed subgraph. 2021-02-22 Richard Biener PR tree-optimization/99165 * gimple-ssa-store-merging.c (pass_store_merging::process_store): Accumulate changed to ret. 2021-02-21 Uros Bizjak Revert: 2020-12-09 Uroš Bizjak * config/i386/i386.h (REG_ALLOC_ORDER): Remove 2021-02-20 Ilya Leoshkevich PR target/99134 * config/s390/vector.md (trunctf2_vr): New pattern. (trunctf2): Likewise. (trunctdtf2_vr): Likewise. (trunctdtf2): Likewise. (extendtf2_vr): Likewise. (extendtf2): Likewise. (extendtftd2_vr): Likewise. (extendtftd2): Likewise. 2021-02-20 Ilya Leoshkevich * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf, add memory alternative. (tf_to_fprx2): New pattern. 2021-02-19 Martin Sebor PR c/97172 * attribs.c (init_attr_rdwr_indices): Guard vblist use. (attr_access::free_lang_data): Remove a spurious test. 2021-02-19 Nathan Sidwell * doc/invoke.texi (flang-info-module-read): Document. 2021-02-19 Martin Liska PR translation/99167 * params.opt: Fix typo. 2021-02-19 Richard Biener PR middle-end/99122 * tree-inline.c (inline_forbidden_p): Do not inline functions with VLA arguments or return value. 2021-02-19 Jakub Jelinek PR target/98998 * config/arm/arm.md (*stack_protect_combined_set_insn, *stack_protect_combined_test_insn): If force_const_mem result is not valid general operand, force its address into the destination register first. 2021-02-19 Jakub Jelinek PR ipa/99034 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing pad or non-local label, put FORCED_LABELs from bb b after that label rather than before it. 2021-02-19 Andre Vieira PR target/98657 * config/aarch64/aarch64-sve.md (3): Use expand_vector_broadcast' to emit the vec_duplicate operand. 2021-02-18 Vladimir N. Makarov PR rtl-optimization/96264 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn hard regs. 2021-02-18 H.J. Lu PR target/99113 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with looking up the retain attribute. (resolve_unique_section): Likewise. (get_variable_section): Likewise. (switch_to_section): Likewise. Warn when a symbol without the retain attribute and a symbol with the retain attribute are placed in the section with the same name, instead of the used attribute. * doc/extend.texi: Document the "retain" attribute. 2021-02-18 Nathan Sidwell PR c++/99023 * doc/invoke.texi (flang-info-include-translate): Document header lookup behaviour. 2021-02-18 Richard Biener PR middle-end/99122 * ipa-fnsummary.c (analyze_function_body): Set CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls. * tree-inline.c (insert_init_debug_bind): Pass NULL for error_mark_node values. (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR values. (setup_one_parameter): Delay force_value_to_type until when it's needed. 2021-02-18 Hans-Peter Nilsson PR tree-optimization/99142 * match.pd (clz cmp 0): Gate replacement on single_use of clz result. 2021-02-18 Jakub Jelinek * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (), wide_int_bitmask::wide_int_bitmask (uint64_t), wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t), wide_int_bitmask::operator ~ () const, wide_int_bitmask::operator | (wide_int_bitmask) const, wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr instead of inline. * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM, PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4, PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF, PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2, PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM, PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED, PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER, PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1, PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW, PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX, PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS, PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES, PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID, PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE, PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD, PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8, PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI, PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4, PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE, PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512, PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT, PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE, PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS, PTA_TREMONT, PTA_KNM): Use constexpr instead of const. 2021-02-18 Jakub Jelinek PR middle-end/99109 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ... (build_printable_array_type): ... this. Add nelts argument. For overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If nelts, call build_array_type_nelts. (array_bounds_checker::check_mem_ref): Use build_printable_array_type instead of build_zero_elt_array_type and build_array_type_nelts. 2021-02-18 Jakub Jelinek PR target/99104 * config/i386/i386.c (distance_non_agu_define): Don't call extract_insn_cached here. (ix86_lea_outperforms): Save and restore recog_data around call to distance_non_agu_define and distance_agu_use. (ix86_ok_to_clobber_flags): Remove. (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags. (ix86_avoid_lea_for_addr): Likewise. Adjust function comment. * config/i386/i386.md (*lea): Change from define_insn_and_split into define_insn. Move the splitting to define_peephole2 and check there using peep2_regno_dead_p if FLAGS_REG is dead. 2021-02-17 Julian Brown * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH for non-decls. 2021-02-17 Xi Ruoyao PR target/98491 * config/mips/mips.c (mips_symbol_insns): Do not use MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE. 2021-02-16 Vladimir N. Makarov PR inline-asm/98096 * stmt.c (resolve_operand_name_1): Take inout operands into account for access to labels by names. * doc/extend.texi: Describe counting operands for accessing labels. 2021-02-16 Richard Biener PR tree-optimization/38474 * tree-ssa-structalias.c (variable_info::address_taken): New. (new_var_info): Initialize address_taken. (process_constraint): Set address_taken. (solve_constraints): Use the new address_taken flag rather than is_reg_var for sorting variables. (dump_constraint): Dump the variable number if the name is just NULL. 2021-02-16 Jakub Jelinek PR target/99100 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1 multiply by 4096 and for inbranch by 8192. * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F, return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'. 2021-02-15 Maya Rashish * config/aarch64/aarch64.c (aarch64_init_builtins): Call SUBTARGET_INIT_BUILTINS. 2021-02-15 Peter Bergner PR rtl-optimization/98872 * init-regs.c (initialize_uninitialized_regs): Skip initialization if CONST0_RTX is NULL. 2021-02-15 Richard Sandiford PR rtl-optimization/98863 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete. (function_info::build_info): Turn into a declaration, moving the definition to internals.h. (function_info::bb_walker): Declare. (function_info::create_reg_use): Likewise. (function_info::calculate_potential_phi_regs): Take a build_info parameter. (function_info::place_phis, function_info::create_ebbs): Declare. (function_info::calculate_ebb_live_in_for_debug): Likewise. (function_info::populate_backedge_phis): Delete. (function_info::start_block, function_info::end_block): Declare. (function_info::populate_phi_inputs): Delete. (function_info::m_potential_phi_regs): Move information to build_info. * rtl-ssa/internals.h: New file. (function_info::bb_phi_info): New class. (function_info::build_info): Moved from functions.h. Add a constructor and destructor. (function_info::build_info::ebb_use): Delete. (function_info::build_info::ebb_def): Likewise. (function_info::build_info::bb_live_out): Likewise. (function_info::build_info::tmp_ebb_live_in_for_debug): New variable. (function_info::build_info::potential_phi_regs): Likewise. (function_info::build_info::potential_phi_regs_for_debug): Likewise. (function_info::build_info::ebb_def_regs): Likewise. (function_info::build_info::bb_phis): Likewise. (function_info::build_info::bb_mem_live_out): Likewise. (function_info::build_info::bb_to_rpo): Likewise. (function_info::build_info::def_stack): Likewise. (function_info::build_info::old_def_stack_limit): Likewise. * rtl-ssa/internals.inl (function_info::build_info::record_reg_def): Remove the regno argument. Push the previous definition onto the definition stack where necessary. * rtl-ssa/accesses.cc: Include internals.h. * rtl-ssa/changes.cc: Likewise. * rtl-ssa/blocks.cc: Likewise. (function_info::build_info::build_info): Define. (function_info::build_info::~build_info): Likewise. (function_info::bb_walker): New class. (function_info::bb_walker::bb_walker): Define. (function_info::add_live_out_use): Convert a logarithmic-complexity test into a linear one. Allow the same definition to be passed multiple times. (function_info::calculate_potential_phi_regs): Moved from functions.cc. Take a build_info parameter and store the information there instead. (function_info::place_phis): New function. (function_info::add_entry_block_defs): Update call to record_reg_def. (function_info::calculate_ebb_live_in_for_debug): New function. (function_info::add_phi_nodes): Use bb_phis to decide which registers need phi nodes and initialize ebb_def_regs accordingly. Do not add degenerate phis here. (function_info::add_artificial_accesses): Use create_reg_use. Assert that all definitions are listed in the DF LR sets. Update call to record_reg_def. (function_info::record_block_live_out): Record live-out register values in the phis of successor blocks. Use the live-out set when processing the last block in an EBB, instead of always using the live-in sets of successor blocks. AND the live sets with the set of registers that have been defined in the EBB, rather than with all potential phi registers. Cope correctly with branches back to the start of the current EBB. (function_info::start_block): New function. (function_info::end_block): Likewise. (function_info::populate_phi_inputs): Likewise. (function_info::create_ebbs): Likewise. (function_info::process_all_blocks): Rewrite into a multi-phase process. * rtl-ssa/functions.cc: Include internals.h. (function_info::calculate_potential_phi_regs): Move to blocks.cc. (function_info::init_function_data): Remove caller. * rtl-ssa/insns.cc: Include internals.h (function_info::create_reg_use): New function. Lazily any degenerate phis needed by the linear RPO view. (function_info::record_use): Use create_reg_use. When processing debug uses, use potential_phi_regs and test it before checking whether the register is live on entry to the current EBB. Lazily calculate ebb_live_in_for_debug. (function_info::record_call_clobbers): Update call to record_reg_def. (function_info::record_def): Likewise. 2021-02-15 Martin Liska * toplev.c (init_asm_output): Free output of gen_command_line_string function. (process_options): Likewise. 2021-02-15 Martin Liska * params.opt: Add 2 missing Param keywords. 2021-02-15 Eric Botcazou * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast. 2021-02-15 Jakub Jelinek PR tree-optimization/99079 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead require both type and TREE_TYPE (@1) to be integral types and either type having smaller or equal precision, or TREE_TYPE (@1) being unsigned type, or type being signed type. If TREE_TYPE (@1) doesn't have wrapping overflow, perform the subtraction of one in unsigned type. 2021-02-14 Jan Hubicka Richard Biener PR ipa/97346 * ipa-reference.c (ipa_init): Only conditinally initialize reference_vars_to_consider. (propagate): Conditionally deninitialize reference_vars_to_consider. (ipa_reference_write_optimization_summary): Sanity check that reference_vars_to_consider is not allocated. 2021-02-13 Levy Hsu PR target/97417 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add extend parameter to get_si_mem_base_reg declaration. (get_si_mem_base_reg): Add extend parameter. Set it. (analyze): Pass extend arg to get_si_mem_base_reg. (transform): Likewise. Use it when rewriting mems. * config/riscv/riscv.c (riscv_legitimize_move): Check for subword loads and emit sign/zero extending load followed by subreg move. 2021-02-13 Jim Wilson PR target/97417 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early exit when !reload_completed. Only perform check for compressed reg if reload_completed. (riscv_rtx_costs): In MEM case, when optimizing for size and shorten memrefs, if not compressible, then increase cost. 2021-02-13 Jakub Jelinek PR rtl-optimization/98439 * recog.c (pass_split_before_regstack::gate): Enable even when pass_split_before_sched2 is enabled if -fselective-scheduling2 is on. 2021-02-13 Jakub Jelinek PR target/96166 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for swap of V2SImode elements in memory into DImode memory rotate by 32. 2021-02-12 Martin Sebor * tree-pretty-print.c (print_generic_expr_to_str): Update comment. 2021-02-12 Richard Sandiford * rtl-ssa/accesses.cc (function_info::make_use_available): Use m_temp_obstack rather than m_obstack to allocate the temporary use. 2021-02-12 Richard Sandiford * df-problems.c (df_lr_bb_local_compute): Treat partial definitions as read-modify operations. 2021-02-12 Richard Biener PR middle-end/38474 * ipa-fnsummary.c (unmodified_parm_1): Only walk when fbi->aa_walk_budget is bigger than zero. Update fbi->aa_walk_budget. (param_change_prob): Likewise. * ipa-prop.c (detect_type_change_from_memory_writes): Properly account walk_aliased_vdefs. (parm_preserved_before_stmt_p): Canonicalize updates. (parm_ref_data_preserved_p): Likewise. (parm_ref_data_pass_through_p): Likewise. (determine_known_aggregate_parts): Account own alias queries. 2021-02-12 Martin Liska * opts-common.c (decode_cmdline_option): Release werror_arg. * opts.c (gen_producer_string): Release output of gen_command_line_string. 2021-02-12 Richard Biener PR tree-optimization/38474 * params.opt (-param=max-store-chains-to-track=): New param. (-param=max-stores-to-track=): Likewise. * doc/invoke.texi (max-store-chains-to-track): Document. (max-stores-to-track): Likewise. * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains): New. (pass_store_merging::m_n_stores): Likewise. (pass_store_merging::terminate_and_process_chain): Update m_n_stores and m_n_chains. (pass_store_merging::process_store): Likewise. Terminate oldest chains if the number of stores or chains get too large. (imm_store_chain_info::terminate_and_process_chain): Dump chain length. 2021-02-11 Eric Botcazou * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to the cold section, emit a nop before the directive if the previous active instruction can throw. 2021-02-11 Peter Bergner PR target/99041 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict memory addresses that are legal for quad word accesses. 2021-02-11 Andrea Corallo PR target/98931 * config/arm/thumb2.md (*doloop_end_internal): Generate alternative sequence to handle long range branches. 2021-02-11 Joel Hutton PR tree-optimization/98772 * optabs-tree.c (supportable_half_widening_operation): New function to check for supportable V8QI->V8HI widening patterns. * optabs-tree.h (supportable_half_widening_operation): New function. * tree-vect-stmts.c (vect_create_half_widening_stmts): New function to create promotion stmts for V8QI->V8HI widening patterns. (vectorizable_conversion): Add case for V8QI->V8HI. 2021-02-11 Richard Biener * sparseset.h (SPARSESET_ELT_BITS): Remove. (SPARSESET_ELT_TYPE): Use unsigned int. * fwprop.c: Do not include sparseset.h. 2021-02-10 Jakub Jelinek PR c++/99035 * varasm.c (declare_weak): For -fsyntax-only, allow even TREE_ASM_WRITTEN function decls. 2021-02-10 Jakub Jelinek PR target/99025 * config/i386/sse.md (fix_truncv2sfv2di2, v8qiv8hi2, v8qiv8si2, v4qiv4si2, v4hiv4si2, v8qiv8di2, v4qiv4di2, v2qiv2di2, v4hiv4di2, v2hiv2di2, v2siv2di2): Force operands[1] into REG before calling simplify_gen_subreg on it. 2021-02-10 Martin Liska * config/nvptx/nvptx.c (nvptx_option_override): Use flag_patchable_function_entry instead of the removed function_entry_patch_area_size. 2021-02-10 Martin Liska PR tree-optimization/99002 PR tree-optimization/99026 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory leak when adjacent cases are merged. * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use release_clusters. (make_pass_lower_switch): Remove trailing whitespace. * tree-switch-conversion.h (release_clusters): New. 2021-02-10 Richard Biener PR rtl-optimization/99054 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec. (fixup_partitions): Adjust. (rtl_verify_edges): Likewise. 2021-02-10 Jakub Jelinek PR middle-end/99007 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions, temporarily disable gimplify_ctxp->into_ssa around gimplify_expr calls. 2021-02-10 Richard Biener PR ipa/99029 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<> for callees. 2021-02-10 Richard Biener PR tree-optimization/99024 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only clear loop->aux if it is associated with the destroyed loop_vinfo. 2021-02-10 Martin Liska PR tree-optimization/99002 * gimple-if-to-switch.cc (find_conditions): Fix memory leak in the function. 2021-02-10 Martin Liska PR ipa/99003 * ipa-icf.c (sem_item::add_reference): Fix memory leak when a reference exists. 2021-02-10 Jakub Jelinek PR debug/98755 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs at class scope for DWARF5+. 2021-02-09 Eric Botcazou PR rtl-optimization/96015 * reorg.c (skip_consecutive_labels): Minor comment tweaks. (relax_delay_slots): When deleting a jump to the next active instruction over a barrier, first delete the barrier if the jump is the only way to reach the target label. 2021-02-09 Andre Vieira * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul. * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for vector multiplies and vect.alu for SSRA. * config/arm/aarch-common-protos.h (struct vector_cost_table): Define vect.mul cost field. * config/arm/aarch-cost-tables.h: Add entries for vect.mul. * config/arm/arm.c: Likewise. 2021-02-09 Richard Biener PR tree-optimization/98863 * tree-ssa-sccvn.h (vn_avail::next_undo): Add. * tree-ssa-sccvn.c (last_pushed_avail): New global. (rpo_elim::eliminate_push_avail): Chain pushed avails. (unwind_state::avail_top): Add. (do_unwind): Rewrite unwinding of avail entries. (do_rpo_vn): Initialize last_pushed_avail and avail_top of the undo state. 2021-02-09 Jakub Jelinek PR middle-end/99004 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from const char * to char * and free those pointers after use. 2021-02-09 Richard Biener PR tree-optimization/99017 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow zero vector cost entries. 2021-02-08 Andre Vieira PR middle-end/98974 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num parameter in vectorizable_condition. 2021-02-08 Richard Biener PR lto/96591 * tree.c (walk_tree_1): Walk VECTOR_CST elements. 2021-02-08 Martin Liska PR lto/98971 * cfgexpand.c (pass_expand::execute): Parse per-function option flag_patchable_function_entry and use it. * common.opt: Remove function_entry_patch_area_size and function_entry_patch_area_start global variables. * opts.c (parse_and_check_patch_area): New function. (common_handle_option): Use it. * opts.h (parse_and_check_patch_area): New function. * toplev.c (process_options): Parse and use function_entry_patch_area_size. 2021-02-08 Martin Sebor * doc/extend.texi (attribute malloc): Correct typos. 2021-02-05 Nathan Sidwell PR driver/98943 * gcc.c (driver::maybe_run_linker): Check for input file accessibility if not linking. 2021-02-05 Richard Biener PR tree-optimization/98855 * tree-vectorizer.h (add_stmt_cost): New overload. * tree-vect-slp.c (li_cost_vec_cmp): New. (vect_bb_slp_scalar_cost): Cost individual loop regions separately. Account for the scalar instance root stmt. 2021-02-05 Tom de Vries PR debug/98656 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc argument. (bit_test_cluster::emit): Reuse location_t for newly created gswitch statement. (switch_decision_tree::try_switch_expansion): Preserve location_t. * tree-switch-conversion.h: Change function signatures. 2021-02-05 Jakub Jelinek PR target/98957 * config/i386/i386-options.c (m_NONE, m_ALL): Define. * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS, X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U. (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U. 2021-02-05 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin. * config/aarch64/aarch64-simd.md (aarch64_get_high): Define. * config/aarch64/arm_neon.h (__GET_HIGH): Delete. (vget_high_f16): Reimplement using new builtin. (vget_high_f32): Likewise. (vget_high_f64): Likewise. (vget_high_p8): Likewise. (vget_high_p16): Likewise. (vget_high_p64): Likewise. (vget_high_s8): Likewise. (vget_high_s16): Likewise. (vget_high_s32): Likewise. (vget_high_s64): Likewise. (vget_high_u8): Likewise. (vget_high_u16): Likewise. (vget_high_u32): Likewise. (vget_high_u64): Likewise. 2021-02-05 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin. * config/aarch64/aarch64-simd.md (aarch64_get_low): Define. * config/aarch64/arm_neon.h (__GET_LOW): Delete. (vget_low_f16): Reimplement using new builtin. (vget_low_f32): Likewise. (vget_low_f64): Likewise. (vget_low_p8): Likewise. (vget_low_p16): Likewise. (vget_low_p64): Likewise. (vget_low_s8): Likewise. (vget_low_s16): Likewise. (vget_low_s32): Likewise. (vget_low_s64): Likewise. (vget_low_u8): Likewise. (vget_low_u16): Likewise. (vget_low_u32): Likewise. (vget_low_u64): Likewise. 2021-02-05 Kito Cheng * gcc.c (print_multilib_info): Check all required argument is provided by default arg. 2021-02-05 liuhongt PR target/98537 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't generate integer mask comparison for 128/256-bits vector when op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also delete redundant !maskcmp condition. (ix86_expand_int_vec_cmp): Ditto but no redundant deletion here. (ix86_expand_sse_movcc): Delete definition of maskcmp, add the condition directly to if (maskcmp), add extra check for cmpmode, it should be MODE_INT. (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's parameters op_true/op_false. (ix86_use_mask_cmp_p): New. 2021-02-05 liuhongt PR target/98172 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL): Remove m_GENERIC from ~list. (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto. 2021-02-04 David Malcolm PR c/97932 * diagnostic-show-locus.c (compatible_locations_p): Require locations in the same macro map to be either both from the macro definition, or both from the macro arguments. 2021-02-04 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_lane[q] builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mull_hi_lane_insn): Define. (aarch64_mull_hi_lane): Define. (aarch64_mull_hi_laneq_insn): Define. (aarch64_mull_hi_laneq): Define. * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL builtin instead of inline asm. (vmull_high_lane_s32): Likewise. (vmull_high_lane_u16): Likewise. (vmull_high_lane_u32): Likewise. (vmull_high_laneq_s16): Likewise. (vmull_high_laneq_s32): Likewise. (vmull_high_laneq_u16): Likewise. (vmull_high_laneq_u32): Liekwise. 2021-02-04 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mull_hi_n_insn): Define. (aarch64_mull_hi_n): Define. * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin instead of inline asm. (vmull_high_n_s32): Likewise. (vmull_high_n_u16): Likewise. (vmull_high_n_u32): Likewise. 2021-02-04 Richard Biener PR tree-optimization/98855 * tree-vect-loop.c (vectorizable_phi): Do not cost single-argument PHIs. * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise. * tree-vect-stmts.c (vectorizable_bswap): Also perform costing for SLP operation. 2021-02-04 Martin Liska * doc/extend.texi: Mention -mprefer-vector-width in target attributes. 2021-02-03 Martin Sebor PR tree-optimization/98937 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define. Flush pointer_query cache. 2021-02-03 Aaron Sawdey * config/rs6000/genfusion.pl (gen_2logical): Add missing fixes based on patch review. * config/rs6000/fusion.md: Regenerate file. 2021-02-03 Aaron Sawdey * config/rs6000/t-rs6000: Comment out auto generation of fusion.md for now. 2021-02-03 Andrew Stubbs * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908. * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908. (output_file_start): Add gfx908. * config/gcn/gcn.opt (gpu_type): Add gfx908. * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908. (MULTILIB_DIRNAMES): Add gfx908. * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define. (main): Recognize gfx908. * config/gcn/t-omp-device: Add gfx908. 2021-02-03 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_lane[q] builtin macro generators. * config/aarch64/aarch64-simd.md (aarch64_mlsl_hi_lane_insn): Define. (aarch64_mlsl_hi_lane): Define. (aarch64_mlsl_hi_laneq_insn): Define. (aarch64_mlsl_hi_laneq): Define. * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL builtin instead of inline asm. (vmlsl_high_lane_s32): Likewise. (vmlsl_high_lane_u16): Likewise. (vmlsl_high_lane_u32): Likewise. (vmlsl_high_laneq_s16): Likewise. (vmlsl_high_laneq_s32): Likewise. (vmlsl_high_laneq_u16): Likewise. (vmlsl_high_laneq_u32): Likewise. (vmlal_high_laneq_u32): Likewise. 2021-02-03 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_lane[q] builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mlal_hi_lane_insn): Define. (aarch64_mlal_hi_lane): Define. (aarch64_mlal_hi_laneq_insn): Define. (aarch64_mlal_hi_laneq): Define. * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL builtin instead of inline asm. (vmlal_high_lane_s32): Likewise. (vmlal_high_lane_u16): Likewise. (vmlal_high_lane_u32): Likewise. (vmlal_high_laneq_s16): Likewise. (vmlal_high_laneq_s32): Likewise. (vmlal_high_laneq_u16): Likewise. (vmlal_high_laneq_u32): Likewise. 2021-02-03 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mlsl_hi_n_insn): Define. (aarch64_mlsl_hi_n): Define. * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin instead of inline asm. (vmlsl_high_n_s32): Likewise. (vmlsl_high_n_u16): Likewise. (vmlsl_high_n_u32): Likewise. 2021-02-03 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mlal_hi_n_insn): Define. (aarch64_mlal_hi_n): Define. * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin instead of inline asm. (vmlal_high_n_s32): Likewise. (vmlal_high_n_u16): Likewise. (vmlal_high_n_u32): Likewise. 2021-02-03 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin generator macros. * config/aarch64/aarch64-simd.md (*aarch64_mlal_hi): Rename to... (aarch64_mlal_hi_insn): This. (aarch64_mlal_hi): Define. * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin instead of inline asm. (vmlal_high_s16): Likewise. (vmlal_high_s32): Likewise. (vmlal_high_u8): Likewise. (vmlal_high_u16): Likewise. (vmlal_high_u32): Likewise. 2021-02-03 Ilya Leoshkevich * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data() after calling alter_subreg() on a (mem). 2021-02-03 Martin Liska PR lto/98912 * lto-streamer-out.c (produce_lto_section): Fill up missing padding. * lto-streamer.h (struct lto_section): Add _padding field. 2021-02-03 Richard Biener * lto-streamer.c (lto_get_section_name): Free temporary buffer. * tree-loop-distribution.c (loop_distribution::merge_dep_scc_partitions): Free edge data. 2021-02-03 Jakub Jelinek PR middle-end/97487 * ifcvt.c (noce_can_force_operand): New function. (noce_emit_move_insn): Use it. (noce_try_sign_mask): Likewise. Formatting fix. 2021-02-03 Jakub Jelinek PR middle-end/97971 * lra-constraints.c (process_alt_operands): For inline asm, don't call fatal_insn, but instead return false. 2021-02-03 Jakub Jelinek PR tree-optimization/98287 * config/i386/mmx.md (3): For shifts don't enable expander for V1DImode. 2021-02-03 Tamar Christina PR tree-optimization/98928 * tree-vect-loop.c (vect_analyze_loop_2): Change STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN. * tree-vect-slp-patterns.c (complex_pattern::build): Likewise. * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New. (class _stmt_vec_info): Add slp_vect_pattern_only_p. 2021-02-02 Richard Biener * gimple-loop-interchange.cc (prepare_data_references): Release vectors. * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise. * tree-ssa-loop-im.c (hoist_memory_references): Likewise. * tree-vect-stmts.c (vectorizable_condition): Do not allocate vectors. (vectorizable_comparison): Likewise. 2021-02-02 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin. * config/aarch64/aarch64-simd.md (aarch64_ursqrte): New pattern. * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin. (vrsqrteq_u32): Likewise. 2021-02-02 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin. * config/aarch64/aarch64-simd.md (aarch64_sqxtun2_le): Define. (aarch64_sqxtun2_be): Likewise. (aarch64_sqxtun2): Likewise. * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin. (vqmovun_high_s32): Likewise. (vqmovun_high_s64): Likewise. * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define. 2021-02-02 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use AUTO_FP flags. (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags. 2021-02-02 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90, fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180, fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi, ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low, fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low, fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high, fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high, fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags. 2021-02-02 Kyrylo Tkachov * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define. * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r, ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags. 2021-02-02 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2, uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags. 2021-02-02 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount, vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_, vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_, ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq, udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr, ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n, ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n, ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use NONE builtin flags. 2021-02-02 Jakub Jelinek PR tree-optimization/98848 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def. 2021-02-02 Kito Cheng PR target/98743 * expr.c: Check mode before calling store_expr. 2021-02-02 Christophe Lyon * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U. (VORNQ): Remove. * config/arm/mve.md (mve_vornq_s): New entry for vorn instruction using expression ior. (mve_vornq_u): New expander. (mve_vornq_f): Use ior code instead of unspec. * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove. 2021-02-02 Alexandre Oliva * tree-nested.c (convert_nonlocal_reference_op): Move current_function_decl restore after re-gimplification. (convert_local_reference_op): Likewise. 2021-02-01 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2): Define builtins. * config/aarch64/aarch64-simd.md (aarch64_rshrn_insn_le): Define. (aarch64_rshrn_insn_be): Likewise. (aarch64_rshrn): Likewise. (aarch64_rshrn2_insn_le): Likewise. (aarch64_rshrn2_insn_be): Likewise. (aarch64_rshrn2): Likewise. * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN. * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement using builtin. (vrshrn_high_n_s32): Likewise. (vrshrn_high_n_s64): Likewise. (vrshrn_high_n_u16): Likewise. (vrshrn_high_n_u32): Likewise. (vrshrn_high_n_u64): Likewise. (vrshrn_n_s16): Likewise. (vrshrn_n_s32): Likewise. (vrshrn_n_s64): Likewise. (vrshrn_n_u16): Likewise. (vrshrn_n_u32): Likewise. (vrshrn_n_u64): Likewise. 2021-02-01 Sergei Trofimovich PR tree-optimization/98499 * ipa-modref.c (analyze_ssa_name_flags): treat RVO conservatively and assume all possible side-effects. 2021-02-01 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi, vec_unpacku_hi_): Define builtins. * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using builtin. (vmovl_high_s16): Likewise. (vmovl_high_s32): Likewise. (vmovl_high_u8): Likewise. (vmovl_high_u16): Likewise. (vmovl_high_u32): Likewise. 2021-02-01 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl): Define builtins. * config/aarch64/aarch64-simd.md (aarch64_abdl): New pattern. * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL, UNSPEC_UABDL. * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using builtin. (vabdl_s16): Likewise. (vabdl_s32): Likewise. (vabdl_u8): Likewise. (vabdl_u16): Likewise. (vabdl_u32): Likewise. * config/aarch64/iterators.md (ABDL): New int iterator. (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL. 2021-02-01 Martin Sebor * tree.h (BLOCK_VARS): Add comment. (BLOCK_SUBBLOCKS): Same. (BLOCK_SUPERCONTEXT): Same. (BLOCK_ABSTRACT_ORIGIN): Same. (inlined_function_outer_scope_p): Same. 2021-02-01 Martin Sebor PR middle-end/97172 * attribs.c (attr_access::free_lang_data): Define new function. * attribs.h (attr_access::free_lang_data): Declare new function. 2021-02-01 Richard Biener * vec.h (auto_vec::auto_vec): Add memory stat parameters and pass them on. * bitmap.h (auto_bitmap::auto_bitmap): Likewise. 2021-02-01 Tamar Christina * config/aarch64/aarch64-simd.md (aarch64_mlal_n, aarch64_mlsl, aarch64_mlsl_n): Flip mult operands. 2021-02-01 Richard Biener PR rtl-optimization/98863 * config/i386/i386-features.c (convert_scalars_to_vector): Set DF_RD_PRUNE_DEAD_DEFS. 2021-01-31 Eric Botcazou * system.h (SIZE_MAX): Define if not already defined. 2021-01-30 Aaron Sawdey * config/rs6000/genfusion.pl (gen_2logical): New function to generate patterns for logical-logical fusion. * config/rs6000/fusion.md: Regenerated patterns. * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION_2LOGICAL. * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable logical-logical fusion for p10. * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical. 2021-01-30 David Edelsohn * config/rs6000/rs6000.opt: Add periods to new AIX options. 2021-01-30 David Edelsohn * config/rs6000/rs6000.opt (mabi=vec-extabi): New. (mabi=vec-default): New. * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define __EXTABI__ for AIX Vector extended ABI. * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector extabi info. (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31 are non-volatile. * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default. 2021-01-30 Jakub Jelinek * config/i386/i386-features.c (remove_partial_avx_dependency): Clear DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans. 2021-01-29 Vladimir N. Makarov PR target/97701 * lra-constraints.c (in_class_p): Don't narrow class only for REG or MEM. 2021-01-29 Will Schmidt * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add clauses for CODE_FOR_vsx_xvcvuxddp_scale and CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code. 2021-01-29 Andrew MacLeod PR tree-optimization/98866 * gimple-range-gori.h (gori_compute:set_range_invariant): New. * gimple-range-gori.cc (gori_map::set_range_invariant): New. (gori_map::m_maybe_invariant): Rename from all_outgoing. (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant. (gori_map::is_export_p): Ditto. (gori_map::calculate_gori): Ditto. (gori_compute::set_range_invariant): New. * gimple-range.cc (gimple_ranger::range_of_stmt): Set range invariant for pointers evaluating to [1, +INF]. 2021-01-29 Richard Biener PR rtl-optimization/98863 * config/i386/i386-features.c (remove_partial_avx_dependency): Do not perform DF analysis. (pass_data_remove_partial_avx_dependency): Remove TODO_df_finish. 2021-01-29 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mull_n): Define. * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin instead of inline asm. (vmull_n_s32): Likewise. (vmull_n_u16): Likewise. (vmull_n_u32): Likewise. 2021-01-29 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2): Define builtins. * config/aarch64/aarch64-simd.md (aarch64_abdl2_3): Rename to... (aarch64_abdl2): ... This. (sadv16qi): Adjust use of above. * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using builtin. (vabdl_high_s16): Likewise. (vabdl_high_s32): Likewise. (vabdl_high_u8): Likewise. (vabdl_high_u16): Likewise. (vabdl_high_u32): Likewise. 2021-01-29 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (sabal2): Define builtin. (uabal2): Likewise. * config/aarch64/aarch64-simd.md (aarch64_abal2): New pattern. * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and UNSPEC_UABAL2. * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using builtin. (vabal_high_s16): Likewise. (vabal_high_s32): Likewise. (vabal_high_u8): Likewise. (vabal_high_u16): Likewise. (vabal_high_u32): Likewise. * config/aarch64/iterators.md (ABAL2): New mode iterator. (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2. 2021-01-29 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (sabal): Define builtin. (uabal): Likewise. * config/aarch64/aarch64-simd.md (aarch64_abal_4): Rename to... (aarch64_abal): ... This (sadv16qi): Adust use of the above. * config/aarch64/arm_neon.h (vabal_s8): Reimplement using builtin. (vabal_s16): Likewise. (vabal_s32): Likewise. (vabal_u8): Likewise. (vabal_u16): Likewise. (vabal_u32): Likewise. 2021-01-29 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv): Define builtins. * config/aarch64/aarch64-simd.md (aarch64_addlv): Define. * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using builtin. (vaddlv_s16): Likewise. (vaddlv_u8): Likewise. (vaddlv_u16): Likewise. (vaddlvq_s8): Likewise. (vaddlvq_s16): Likewise. (vaddlvq_s32): Likewise. (vaddlvq_u8): Likewise. (vaddlvq_u16): Likewise. (vaddlvq_u32): Likewise. (vaddlv_s32): Likewise. (vaddlv_u32): Likewise. * config/aarch64/iterators.md (VDQV_L): New mode iterator. (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV. (Vwstype): New mode attribute. (Vwsuf): Likewise. (VWIDE_S): Likewise. (USADDLV): New int iterator. (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV. 2021-01-29 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q] builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_vec_mlsl_lane): Define. * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin instead of inline asm. (vmlsl_lane_s32): Likewise. (vmlsl_lane_u16): Likewise. (vmlsl_lane_u32): Likewise. (vmlsl_laneq_s16): Likewise. (vmlsl_laneq_s32): Likewise. (vmlsl_laneq_u16): Likewise. (vmlsl_laneq_u32): Likewise. 2021-01-29 Richard Biener * doc/invoke.texi (--param max-gcse-memory): Document unit of size. * gcse.c (gcse_or_cprop_is_too_expensive): Adjust. * params.opt (--param max-gcse-memory): Adjust default and document unit of size. 2021-01-29 Richard Biener PR rtl-optimization/98863 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned HOST_WIDE_INT for the memory estimate. 2021-01-29 Bin Cheng Richard Biener PR tree-optimization/97627 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): Do not analyze fake edges. 2021-01-29 Richard Biener PR rtl-optimization/98144 * df.h (df_mir_bb_info): Add con_visited member. * df-problems.c (df_mir_alloc): Initialize con_visited, do not fully populate IN and OUT. (df_mir_reset): Likewise. (df_mir_confluence_0): Set con_visited. (df_mir_confluence_n): Properly handle implicitely fully populated IN and OUT as designated by con_visited and update con_visited accordingly. 2021-01-29 Jakub Jelinek PR target/98849 * config/arm/vec-common.md (mve_vshlq_, vashl3, vashr3, vlshr3): Add && !TARGET_REALLY_IWMMXT to conditions. 2021-01-29 Jakub Jelinek PR debug/98331 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing a BARRIER. 2021-01-28 Marek Polacek PR c++/94775 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in the main variant, maybe reset it in its variants too. * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match. (check_aligned_type): Check if TYPE_USER_ALIGN match. 2021-01-28 Christophe Lyon PR target/98730 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector of constant zero for comparisons. 2021-01-28 Michael Meissner * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add support for mapping built-in function names for long double built-in functions if long double is IEEE 128-bit. 2021-01-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mlsl_n): Define. * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin instead of inline asm. (vmlsl_n_s32): Likewise. (vmlsl_n_u16): Likewise. (vmlsl_n_u32): Likewise. 2021-01-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_mlal_n): Define. * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin instead of inline asm. (vmlal_n_s32): Likewise. (vmlal_n_u16): Likewise. (vmlal_n_u32): Likewise. 2021-01-28 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (shrn2): Define builtin. * config/aarch64/aarch64-simd.md (aarch64_shrn2_insn_le): Define. (aarch64_shrn2_insn_be): Likewise. (aarch64_shrn2): Likewise. * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement using builtins. (vshrn_high_n_s32): Likewise. (vshrn_high_n_s64): Likewise. (vshrn_high_n_u16): Likewise. (vshrn_high_n_u32): Likewise. (vshrn_high_n_u64): Likewise. 2021-01-28 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (shrn): Define builtin. * config/aarch64/aarch64-simd.md (aarch64_shrn_insn_le): Define. (aarch64_shrn_insn_be): Likewise. (aarch64_shrn): Likewise. * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using builtins. (vshrn_n_s32): Likewise. (vshrn_n_s64): Likewise. (vshrn_n_u16): Likewise. (vshrn_n_u32): Likewise. (vshrn_n_u64): Likewise. * config/aarch64/iterators.md (vn_mode): New mode attribute. 2021-01-28 Richard Biener PR rtl-optimization/80960 * dse.c (check_mem_read_rtx): Call get_addr on the offsetted address. 2021-01-28 Xionghu Luo David Edelsohn PR target/98799 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT when -m32. * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var): Delete. * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the wrapper call rs6000_expand_vector_set_var for cleanup. Call rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8 directly. (rs6000_expand_vector_set_var): Delete. (rs6000_expand_vector_set_var_p9): Make static. (rs6000_expand_vector_set_var_p8): Make static. 2021-01-28 Xing GUO * common/config/riscv/riscv-common.c (riscv_subset_list::parsing_subset_version): Fix -march option parsing when `p` extension exists. 2021-01-27 Vladimir N. Makarov PR rtl-optimization/97684 * ira.c (ira): Call ira_set_pseudo_classes before update_equiv_regs when it is necessary. 2021-01-27 Jakub Jelinek PR target/98853 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use %w0, %w1 and %2 instead of %0, %1 and %2. 2021-01-27 Aaron Sawdey * config/rs6000/genfusion.pl: New script to generate define_insn_and_split patterns so combine can arrange fused instructions next to each other. * config/rs6000/fusion.md: New file, generated fused instruction patterns for combine. * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate. (non_update_memory_operand): New predicate. * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and POWERPC_MASKS. * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add prototype. * config/rs6000/rs6000.c (rs6000_option_override_internal): Automatically set OPTION_MASK_P10_FUSION and OPTION_MASK_P10_FUSION_LD_CMPI if target is power10. (rs600_opt_masks): Allow -mpower10-fusion in function attributes. (address_is_non_pfx_d_or_x): New function. * config/rs6000/rs6000.h: Add MASK_P10_FUSION. * config/rs6000/rs6000.md: Include fusion.md. * config/rs6000/rs6000.opt: Add -mpower10-fusion and -mpower10-fusion-ld-cmpi. * config/rs6000/t-rs6000: Add dependencies involving fusion.md. 2021-01-27 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal builtin generator macros. * config/aarch64/aarch64-simd.md (*aarch64_mlal): Rename to... (aarch64_mlal): This. * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin instead of inline asm. (vmlal_s16): Likewise. (vmlal_s32): Likewise. (vmlal_u8): Likewise. (vmlal_u16): Likewise. (vmlal_u32): Likewise. 2021-01-27 Richard Biener PR tree-optimization/98854 * tree-vect-slp.c (vect_build_slp_tree_2): Also build PHIs from scalars when the number of CTORs matches the number of children. 2021-01-27 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin generator macro. * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge): Rename to... (aarch64_mls_n): This. * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin instead of asm. (vmls_n_s32): Likewise. (vmls_n_u16): Likewise. (vmls_n_u32): Likewise. (vmlsq_n_s16): Likewise. (vmlsq_n_s32): Likewise. (vmlsq_n_u16): Likewise. (vmlsq_n_u32): Likewise. 2021-01-27 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add mls builtin generator macro. * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather than asm. (vmls_s16): Likewise. (vmls_s32): Likewise. (vmls_u8): Likewise. (vmls_u16): Likewise. (vmls_u32): Likewise. (vmlsq_s8): Likewise. (vmlsq_s16): Likewise. (vmlsq_s32): Likewise. (vmlsq_u8): Likewise. (vmlsq_u16): Likewise. (vmlsq_u32): Likewise. 2021-01-27 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin generator macro. * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge): Rename to... (aarch64_mla_n): This. * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin instead of asm. (vmla_n_s32): Likewise. (vmla_n_u16): Likewise. (vmla_n_u32): Likewise. (vmlaq_n_s16): Likewise. (vmlaq_n_s32): Likewise. (vmlaq_n_u16): Likewise. (vmlaq_n_u32): Likewise. 2021-01-27 liuhongt PR target/98833 * config/i386/sse.md (sse2_gt3): Drop !TARGET_XOP in condition. (*sse2_eq3): Ditto. 2021-01-27 Jakub Jelinek * tree-pass.h (PROP_trees): Rename to ... (PROP_gimple): ... this. * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple. * passes.c (execute_function_dump, execute_function_todo, execute_one_ipa_transform_pass, execute_one_pass): Likewise. * varpool.c (ctor_for_folding): Likewise. 2021-01-27 Jakub Jelinek PR tree-optimization/97260 * varpool.c: Include tree-pass.h. (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY non-TREE_SIDE_EFFECTS automatic variables. 2021-01-26 Paul Fee * doc/cpp.texi (__cplusplus): Document value for -std=c++23 or -std=gnu++23. * doc/invoke.texi: Document -std=c++23 and -std=gnu++23. * dwarf2out.c (highest_c_language): Recognise C++20 and C++23. (gen_compile_unit_die): Recognise C++23. 2021-01-26 Jakub Jelinek PR bootstrap/98839 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int in comparison. 2021-01-26 Jakub Jelinek PR target/98681 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p): Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt) and INTVAL (mask). Add && INTVAL (mask) > 0 condition. 2021-01-26 Richard Biener * gimple-pretty-print.c (dump_binary_rhs): Handle VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR. 2021-01-26 Richard Biener PR middle-end/98726 * tree.h (vector_cst_int_elt): Remove. * tree.c (vector_cst_int_elt): Use poly_wide_int for computations, make static. 2021-01-26 Andrew Stubbs * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions for V64DFmode min/max reductions. 2021-01-26 Jakub Jelinek * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as two halves, one with x and the other with const0_rtx, ordered depending on endianity. 2021-01-26 Alexandre Oliva * gimplify.c (gimplify_decl_expr): Skip asan marking calls for temporaries not seen in binding block, and not about to be added as gimple variables. 2021-01-25 Martin Sebor PR c++/98646 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text. 2021-01-25 Martin Liska * value-prof.c (get_nth_most_common_value): Use %s instead of %qs string. 2021-01-25 Jakub Jelinek PR debug/98811 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if readelf -wi is able to read the emitted .debug_info back. * configure: Regenerated. 2021-01-25 Martin Liska PR gcov-profile/98739 * common.opt: Add missing sign symbol. * value-prof.c (get_nth_most_common_value): Restore handling of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and PROFILE_REPRODUCIBILITY_MULTITHREADED. 2021-01-25 Richard Biener PR middle-end/98807 * tree.c (vector_element_bits): Always use precision of the element type for boolean vectors. 2021-01-25 Sebastian Huber * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds. (ENDFILE_SPEC): Evaluate qnolinkcmds. 2021-01-25 Sebastian Huber * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and nostartfiles handling since this is already done by LINK_COMMAND_SPEC. Evaluate qnolinkcmds. (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this is already done by LINK_COMMAND_SPEC. (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds evaluation. 2021-01-25 Jakub Jelinek PR testsuite/98771 * fold-const-call.c (host_size_t_cst_p): Renamed to ... (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT value rather than host size_t. (fold_const_call): Change type of s2 from size_t to unsigned HOST_WIDE_INT. Use size_t_cst_p instead of host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX) instead of s2 as last argument. 2021-01-25 Tamar Christina * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1, VCMLA_OP, VCMUL_OP): New. * config/arm/mve.md (mve_vcmlaq): Support vec_dup 0. * config/arm/neon.md (cmul3): New. * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ, UNSPEC_VCMUL_CONJ): New. * config/arm/vec-common.md (cmul3, arm_vcmla, cml4): New. 2021-01-23 Jakub Jelinek PR testsuite/97301 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute. 2021-01-22 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add mla builtin generator macro. * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather than asm. (vmla_s16): Likewise. (vmla_s32): Likewise. (vmla_u8): Likewise. (vmla_u16): Likewise. (vmla_u32): Likewise. (vmlaq_s8): Likewise. (vmlaq_s16): Likewise. (vmlaq_s32): Likewise. (vmlaq_u8): Likewise. (vmlaq_u16): Likewise. (vmlaq_u32): Likewise. 2021-01-22 David Malcolm * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex directive. 2021-01-22 Jakub Jelinek PR debug/98796 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no filenames to emit, still emit the required 0 index directory and filename entries that match DW_AT_comp_dir and DW_AT_name of the compilation unit. 2021-01-22 Marek Polacek PR c++/98545 * doc/invoke.texi: Update C++ ABI Version 15 description. 2021-01-22 Kyrylo Tkachov PR tree-optimization/98766 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when comparing against type size with param_avoid_fma_max_bits. 2021-01-22 Richard Biener PR middle-end/98793 * tree.c (vector_element_bits): Key single-bit bool vector on integer mode rather than not vector mode. 2021-01-22 Xionghu Luo PR target/98093 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later platforms. * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update to call different path for P8 and P9. (rs6000_expand_vector_set_var_p9): New function. (rs6000_expand_vector_set_var_p8): New function. 2021-01-22 Xionghu Luo PR target/79251 PR target/98065 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Ajdust variable index vec_insert from address dereference to ARRAY_REF(VIEW_CONVERT_EXPR) tree expression. * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var): New declaration. * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function. 2021-01-22 Martin Liska PR gcov-profile/98739 * profile.c (compute_value_histograms): Drop time profile for -fprofile-reproducible=multithreaded. 2021-01-22 Nathan Sidwell * gcc.c (process_command): Don't check OPT_SPECIAL_input_file existence here. 2021-01-22 Richard Biener PR middle-end/98773 * tree-data-ref.c (initalize_matrix_A): Revert previous change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT. 2021-01-22 Jakub Jelinek PR tree-optimization/90248 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X), X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove simplifications. (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X), X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications. 2021-01-22 Jakub Jelinek PR tree-optimization/98255 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign extend index - low_bound from sizetype's precision rather than index precision. (get_addr_base_and_unit_offset_1): Likewise. * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise. * gimple-fold.c (fold_const_aggregate_ref_1): Likewise. 2021-01-22 Richard Biener PR tree-optimization/98786 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid adding new uses of abnormals. Verify we deal with a conditional conversion. 2021-01-22 Prathamesh Kulkarni PR target/98636 * optc-save-gen.awk: Add arm_fp16_format to checked_options. 2021-01-22 liuhongt PR target/96891 PR target/98348 * config/i386/sse.md (VI_128_256): New mode iterator. (*avx_cmp3_1, *avx_cmp3_2, *avx_cmp3_3, *avx_cmp3_4, *avx2_eq3, *avx2_pcmp3_1, *avx2_pcmp3_2, *avx2_gt3): New define_insn_and_split to lower avx512 vector comparison to avx version when dest is vector. (*_cmp3,*_cmp3,*_ucmp3): define_insn_and_split for negating the comparison result. * config/i386/predicates.md (float_vector_all_ones_operand): New predicate. * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use general NOT operator without UNSPEC_MASKOP. 2021-01-21 Vladimir N. Makarov PR rtl-optimization/98777 * lra-int.h (lra_pmode_pseudo): New extern. * lra.c (lra_pmode_pseudo): New global. (lra): Set it up. * lra-eliminations.c (eliminate_regs_in_insn): Use it. 2021-01-21 Ilya Leoshkevich * fwprop.c (fwprop_propagation::classify_result): Allow (subreg (mem)) simplifications. 2021-01-21 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_sqdmll): Split into... (aarch64_sqdmlal): ... This... (aarch64_sqdmlsl): ... And this. (aarch64_sqdmll_lane): Split into... (aarch64_sqdmlal_lane): ... This... (aarch64_sqdmlsl_lane): ... And this. (aarch64_sqdmll_laneq): Split into... (aarch64_sqdmlsl_laneq): ... This... (aarch64_sqdmlal_laneq): ... And this. (aarch64_sqdmll_n): Split into... (aarch64_sqdmlsl_n): ... This... (aarch64_sqdmlal_n): ... And this. (aarch64_sqdmll2_internal): Split into... (aarch64_sqdmlal2_internal): ... This... (aarch64_sqdmlsl2_internal): ... And this. 2021-01-21 Christophe Lyon * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type. 2021-01-21 Andrea Corallo PR target/96372 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document. 2021-01-21 liuhongt PR rtl-optimization/98694 * regcprop.c (copy_value): If SRC had been assigned a mode narrower than the copy, we can't link DEST into the chain even they have same hard_regno_nregs(i.e. HImode/SImode in i386 backend). 2021-01-20 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_get_lane): Convert to define_insn_and_split. Split into simple move when moving bottom element. 2021-01-20 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert. Adjust comment. Simplify code. 2021-01-20 Jakub Jelinek PR debug/98765 * dwarf2out.c (reset_indirect_string): Also reset indirect strings with DW_FORM_line_strp form. (prune_unused_types_update_strings): Don't add into debug_str_hash indirect strings with DW_FORM_line_strp form. (adjust_name_comp_dir): New function. (dwarf2out_finish): Call it on CU DIEs after resetting debug_line_str_hash. 2021-01-20 Vladimir N. Makarov PR rtl-optimization/98722 * lra-eliminations.c (eliminate_regs_in_insn): Check that target has no 3-op add insn to transform insns containing two pluses. 2021-01-20 Richard Biener * hwint.h (add_hwi): New function. (mul_hwi): Likewise. * tree-data-ref.c (initialize_matrix_A): Properly translate tree constants and avoid HOST_WIDE_INT_MIN. (lambda_matrix_row_add): Avoid undefined integer overflow and return true on such overflow. (lambda_matrix_right_hermite): Handle overflow from lambda_matrix_row_add gracefully. Simplify previous fix. (analyze_subscript_affine_affine): Likewise. 2021-01-20 Eugene Rozenfeld PR tree-optimization/96674 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1 x >= y && y != XXX_MIN --> x > y - 1 2021-01-20 Richard Sandiford PR tree-optimization/98535 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared. If the high and low permutes are the same, remove the high permutes from the working set and only continue with the low ones. 2021-01-20 Jakub Jelinek PR tree-optimization/98721 * builtins.c (access_ref::inform_access): Don't assume SSA_NAME_IDENTIFIER must be non-NULL. Print messages about object whenever allocfn is NULL, rather than only when DECL_P is true. Use %qE instead of %qD for that. Formatting fixes. 2021-01-20 Richard Biener PR tree-optimization/98758 * tree-data-ref.c (int_divides_p): Use lambda_int arguments. (lambda_matrix_right_hermite): Avoid undefinedness with signed integer abs and multiplication. (analyze_subscript_affine_affine): Use lambda_int. 2021-01-20 David Malcolm PR debug/98751 * dwarf2out.c (output_line_info): Rename static variable "generation", moving it out of the function to... (output_line_info_generation): New. (init_sections_and_labels): Likewise, renaming the variable to... (init_sections_and_labels_generation): New. (dwarf2out_c_finalize): Reset the new variables. 2021-01-19 Martin Sebor PR middle-end/98664 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for all functions, even if they're not declared artificial or inline. * tree.c (tree_inlined_location): Use macro expansion location only if scope traversal fails to expose one. 2021-01-19 Richard Sandiford PR rtl-optimization/92294 * alias.c (compare_base_symbol_refs): Take an extra parameter and add the distance between two symbols to it. Enshrine in comments that -1 means "either 0 or 1, but we can't tell which at compile time". (memrefs_conflict_p): Update call accordingly. (rtx_equal_for_memref_p): Likewise. Take the distance between symbols into account. 2021-01-19 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl, sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn, uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane, sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n, sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq, sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane, sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq, sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq, sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n, uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah, sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq, sqmovun): Use NONE flags. 2021-01-19 Richard Biener PR ipa/98330 * ipa-modref.c (analyze_stmt): Only record a summary for a direct call. 2021-01-19 Richard Biener PR middle-end/98638 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT. 2021-01-19 Daniel Hellstrom * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add built-in define __FIX_LEON3FT_TN0018. 2021-01-19 Richard Biener PR ipa/97673 * tree-inline.c (tree_function_versioning): Set input_location to UNKNOWN_LOCATION throughout the function. 2021-01-19 Tobias Burnus PR fortran/98476 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr. 2021-01-19 Martin Jambor PR ipa/98690 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check whether non-call exceptions allow removal of a statement. (isra_analyze_call): Pass the appropriate function to ssa_name_only_returned_p. 2021-01-19 Geng Qi * config/riscv/arch-canonicalize (longext_sort): New function for sorting 'multi-letter'. * config/riscv/multilib-generator: Adjusting the loop of 'alt' in 'alts'. The 'arch' may not be the first of 'alts'. (_expand_combination): Add underline for the 'ext' without '*'. This is because, a single-letter extension can always be treated well with a '_' prefix, but it cannot be separated out if it is appended to a multi-letter. 2021-01-18 Vladimir N. Makarov PR target/97847 * ira.c (ira): Skip abnormal critical edge splitting. 2021-01-18 Jakub Jelinek PR tree-optimization/98727 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of second .MUL_OVERFLOW operand for signed multiplication with overflow checking if the second operand of multiplication is not constant. 2021-01-18 David Edelsohn * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX defaults to version 4. 2021-01-18 David Malcolm * attribs.h (fndecl_dealloc_argno): New decl. * builtins.c (call_dealloc_argno): Split out second half of function into... (fndecl_dealloc_argno): New. * doc/extend.texi (Common Function Attributes): Document the interaction between the analyzer and the malloc attribute. * doc/invoke.texi (Static Analyzer Options): Likewise. 2021-01-17 David Edelsohn * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override dwarf_version to 4. * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same. 2021-01-17 Martin Jambor PR ipa/98222 * cgraph.c (clone_of_p): Check also former_clone_of as we climb the clone tree. 2021-01-17 Mark Wielaard * common.opt (gdwarf-): Init(5). * doc/invoke.texi (-gdwarf): Document default to 5. 2021-01-16 Kwok Cheung Yeung * builtin-types.def (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename to... (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR): ...this. Add extra argument. * gimplify.c (omp_default_clause): Ensure that event handle is firstprivate in a task region. (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH. (gimplify_adjust_omp_clauses): Likewise. * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR. * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags if detach clause specified. Add detach argument when generating call to GOMP_task. * omp-low.c (scan_sharing_clauses): Setup data environment for detach clause. (finish_taskreg_scan): Move field for variable containing the event handle to the front of the struct. * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix ordering. * tree-nested.c (convert_nonlocal_omp_clauses): Handle OMP_CLAUSE_DETACH clause. (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH. * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH. Fix ordering. (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix ordering. (walk_tree_1): Handle OMP_CLAUSE_DETACH. 2021-01-16 Sebastian Huber * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten multilib directory names. Use MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div -mcustom-fpu-cfg=fph2 multilib. 2021-01-16 Sebastian Huber * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value. (nios2_init_fpu_configs): Provide register values for new -mcustom-fpu-cfg=fph2 option variant. * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option variant. 2021-01-16 Sebastian Huber * config/nios2/nios2.c (nios2_custom_check_insns): Remove custom instruction warnings. 2021-01-16 Jakub Jelinek PR tree-optimization/96669 * match.pd ((CST << x) & 1 -> x == 0): New simplification. 2021-01-16 Jakub Jelinek PR tree-optimization/96271 * passes.def: Pass false argument to first two pass_cd_dce instances and true to last instance. Add comment that last instance rewrites no longer addressed locals. * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and initialize it. (pass_cd_dce::set_pass_param): New method. (pass_cd_dce::execute): Return TODO_update_address_taken from last cd_dce instance. 2021-01-15 Carl Love * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod): New defines. * config/rs6000/altivec.md (VIlong): Move define to file vsx.md. * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI, DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI, DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI, MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI): Add builtin define. (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions. * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV, VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH): New overloaded definitions. (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI, P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI, P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI, P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI, P10V_BUILTIN_MULHU_V4SI]: Add case statement for builtins. * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI. * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md. (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions. (vsx_mul_v2di): Add if TARGET_POWER10 statement. (vsx_udiv_v2di): Add if TARGET_POWER10 statement. (dives_, diveu_, div3, uvdiv3, mods_, modu_, mulhs_, mulhu_, mulv2di3): Add define_insn, mode is VIlong. * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod): Add builtin descriptions. 2021-01-15 Eric Botcazou * final.c (final_start_function_1): Reset force_source_line. 2021-01-15 Jakub Jelinek PR tree-optimization/96669 * match.pd (((1 << A) & 1) != 0 -> A == 0, ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by possibly different power of two constants and to right shift too. 2021-01-15 Jakub Jelinek PR tree-optimization/96681 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification. ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise. ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise. ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise. 2021-01-15 Alexandre Oliva * opts.c (gen_command_line_string): Exclude -dumpbase-ext. 2021-01-15 Tamar Christina * config/aarch64/aarch64-simd.md (cml4, cmul3): New. * config/aarch64/iterators.md (UNSPEC_FCMUL, UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ, UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180, FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1, sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New. (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180. (rot_op): Renamed to conj_op. * config/aarch64/aarch64-sve.md (cml4, cmul3): New. * config/aarch64/aarch64-sve2.md (cml4, cmul3): New. 2021-01-15 David Malcolm PR bootstrap/98696 * diagnostic.c (selftest::test_print_parseable_fixits_bytes_vs_display_columns): Escape the tempfile name when constructing the expected output. 2021-01-15 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (*aarch64_mlsl_hi): Rename to... (aarch64_mlsl_hi): ... This. (aarch64_mlsl_hi): Define. (*aarch64_mlslmlsl * config/i386/i386-c.c (ix86_target_macros): Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition. 2021-01-15 Richard Sandiford PR target/88836 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs. * Makefile.in (RTL_SSA_H): New variable. * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule. * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare. * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after pass_combine. * config/aarch64/aarch64-cc-fusion.cc: New file. 2021-01-15 Richard Sandiford * recog.h (insn_change_watermark::~insn_change_watermark): Avoid calling cancel_changes for changes that no longer exist. 2021-01-15 Richard Sandiford * rtl-ssa/functions.h (function_info::ref_defs): Rename to... (function_info::reg_defs): ...this. * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to... (function_info::reg_defs): ...this. 2021-01-15 Christophe Lyon PR target/71233 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New. 2021-01-15 Christophe Lyon Revert: 2021-01-15 Christophe Lyon PR target/71233 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New. 2021-01-15 Richard Biener PR tree-optimization/96376 * tree-vect-stmts.c (get_load_store_type): Disregard alignment for VMAT_INVARIANT. 2021-01-15 Martin Liska * doc/install.texi: Document that some tests need pytest module. * doc/sourcebuild.texi: Likewise. 2021-01-15 Christophe Lyon PR target/71233 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New. 2021-01-15 Christophe Lyon * config/arm/mve.md (mve_vshrq_n_s_imm): New entry. (mve_vshrq_n_u_imm): Likewise. * config/arm/neon.md (vashr3, vlshr3): Move to ... * config/arm/vec-common.md: ... here. 2021-01-15 Christophe Lyon * config/arm/mve.md (mve_vshlq_): Move to vec-commond.md. * config/arm/neon.md (vashl3): Delete. * config/arm/vec-common.md (mve_vshlq_): New. (vasl3): New expander. 2021-01-15 Richard Biener PR tree-optimization/98685 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling of vector extern defs. 2021-01-14 David Malcolm PR jit/98586 * diagnostic.c (diagnostic_kind_text): Break out this array from... (diagnostic_build_prefix): ...here. (fancy_abort): Detect when diagnostic_initialize has not yet been called and fall back to a minimal implementation of printing the ICE, rather than segfaulting in internal_error. 2021-01-14 David Malcolm * diagnostic.c (diagnostic_initialize): Eliminate parseable_fixits_p in favor of initializing extra_output_kind from GCC_EXTRA_DIAGNOSTIC_OUTPUT. (convert_column_unit): New function, split out from... (diagnostic_converted_column): ...this. (print_parseable_fixits): Add "column_unit" and "tabstop" params. Use them to call convert_column_unit on the column values. (diagnostic_report_diagnostic): Eliminate conditional on parseable_fixits_p in favor of a switch statement on extra_output_kind, passing the appropriate values to the new params of print_parseable_fixits. (selftest::test_print_parseable_fixits_none): Update for new params of print_parseable_fixits. (selftest::test_print_parseable_fixits_insert): Likewise. (selftest::test_print_parseable_fixits_remove): Likewise. (selftest::test_print_parseable_fixits_replace): Likewise. (selftest::test_print_parseable_fixits_bytes_vs_display_columns): New. (selftest::diagnostic_c_tests): Call it. * diagnostic.h (enum diagnostics_extra_output_kind): New. (diagnostic_context::parseable_fixits_p): Delete field in favor of... (diagnostic_context::extra_output_kind): ...this new field. * doc/invoke.texi (Environment Variables): Add GCC_EXTRA_DIAGNOSTIC_OUTPUT. * opts.c (common_handle_option): Update handling of OPT_fdiagnostics_parseable_fixits for change to diagnostic_context fields. 2021-01-14 Tamar Christina * tree-vect-slp-patterns.c (class complex_operations_pattern, complex_operations_pattern::matches, complex_operations_pattern::recognize, complex_operations_pattern::build): New. (slp_patterns): Use it. 2021-01-14 Tamar Christina * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New. * optabs.def (cmls_optab, cmls_conj_optab): New. * doc/md.texi: Document them. * tree-vect-slp-patterns.c (class complex_fms_pattern, complex_fms_pattern::matches, complex_fms_pattern::recognize, complex_fms_pattern::build): New. 2021-01-14 Tamar Christina * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New. * optabs.def (cmla_optab, cmla_conj_optab): New. * doc/md.texi: Document them. * tree-vect-slp-patterns.c (vect_match_call_p, class complex_fma_pattern, vect_slp_reset_pattern, complex_fma_pattern::matches, complex_fma_pattern::recognize, complex_fma_pattern::build): New. 2021-01-14 Tamar Christina * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New. * optabs.def (cmul_optab, cmul_conj_optab): New. * doc/md.texi: Document them. * tree-vect-slp-patterns.c (vect_match_call_complex_mla, vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication, vect_build_combine_node, class complex_mul_pattern, complex_mul_pattern::matches, complex_mul_pattern::recognize, complex_mul_pattern::build): New. 2021-01-14 Tamar Christina * tree-vect-slp.c (optimize_load_redistribution_1): New. (optimize_load_redistribution, vect_is_slp_load_node): New. (vect_match_slp_patterns): Use it. 2021-01-14 Tamar Christina * tree-vect-slp-patterns.c (complex_add_pattern::build): Elide nodes. 2021-01-14 Thomas Schwinge * config/gcn/mkoffload.c (main): Create an offload image only in 64-bit configurations. 2021-01-14 H.J. Lu PR target/98667 * config/i386/i386-options.c (ix86_option_override_internal): Issue an error for -fcf-protection with CF_BRANCH when compiling for 32-bit non-TARGET_CMOV targets. 2021-01-14 Uroš Bizjak PR target/98671 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p): Remove declaration and initialization of shadow variable "ret". (ix86_option_override_internal): Remove delcaration of shadow variable "i". Redeclare shadowed variable to unsigned. * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned. * config/i386/i386-builtins.c (get_builtin_code_for_version): Update for redeclaration. * config/i386/i386.h (pta_size): Ditto. 2021-01-14 Richard Biener PR tree-optimization/98674 * tree-data-ref.c (base_supports_access_fn_components_p): New. (initialize_data_dependence_relation): For two bases without possible access fns resort to type size equality when determining shape compatibility. 2021-01-14 Prathamesh Kulkarni PR target/66791 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by <=, >= operators in vcle and vcge intrinsics respectively. * config/arm/arm_neon_builtins.def: Remove entry for vcge and vcgeu. 2021-01-14 Uroš Bizjak PR target/98671 * config/i386/i386-options.c (ix86_function_specific_save): Remove redundant assignment to opts->x_ix86_branch_cost. * config/i386/i386.c (ix86_prefetch_sse): Rename from x86_prefetch_sse. Update all uses. * config/i386/i386.h: Update for rename. * config/i386/i386-options.h: Ditto. 2021-01-14 Jakub Jelinek PR target/98670 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3, *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3): Use Bm instead of m for non-avx. Add isa attribute. 2021-01-14 Jakub Jelinek PR tree-optimization/96688 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if ~X can be simplified. 2021-01-14 Richard Sandiford * tree-vect-stmts.c (vect_model_load_cost): Account for unused IFN_LOAD_LANES results. 2021-01-14 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_xtl): Define. (aarch64_xtn): Likewise. * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn): Define builtins. * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using builtin. (vmovl_s16): Likewise. (vmovl_s32): Likewise. (vmovl_u8): Likewise. (vmovl_u16): Likewise. (vmovl_u32): Likewise. (vmovn_s16): Likewise. (vmovn_s32): Likewise. (vmovn_s64): Likewise. (vmovn_u16): Likewise. (vmovn_u32): Likewise. (vmovn_u64): Likewise. 2021-01-14 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_qxtn2_le): Define. (aarch64_qxtn2_be): Likewise. (aarch64_qxtn2): Likewise. * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2): Define builtins. * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator. (su): Handle ss_truncate and us_truncate. * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using builtin. (vqmovn_high_s32): Likewise. (vqmovn_high_s64): Likewise. (vqmovn_high_u16): Likewise. (vqmovn_high_u32): Likewise. (vqmovn_high_u64): Likewise. 2021-01-14 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_xtn2_le): Define. (aarch64_xtn2_be): Likewise. (aarch64_xtn2): Likewise. * config/aarch64/aarch64-simd-builtins.def (xtn2): Define builtins. * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using builtins. (vmovn_high_s32): Likewise. (vmovn_high_s64): Likewise. (vmovn_high_u16): Likewise. (vmovn_high_u32): Likewise. (vmovn_high_u64): Likewise. 2021-01-13 Stafford Horne * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro. 2021-01-13 Stafford Horne * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro. 2021-01-13 Stafford Horne * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin define for __or1k_hard_float__. 2021-01-13 Stafford Horne * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1. (PROFILE_HOOK): Define to call _mcount. (FUNCTION_PROFILER): Change from abort to no-op. 2021-01-13 Jakub Jelinek PR tree-optimization/96691 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C), (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if (~D ^ C) or (D ^ C) can be simplified. 2021-01-13 Richard Biener PR tree-optimization/92645 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization until after vector lowering. 2021-01-13 Richard Sandiford * config/aarch64/aarch64-sve.md (fnma4): Extend from SVE_FULL_I to SVE_I. (@aarch64_pred_fnma, cond_fnma, *cond_fnma_2) (*cond_fnma_4, *cond_fnma_any): Likewise. 2021-01-13 Richard Sandiford * config/aarch64/aarch64-sve.md (fma4): Extend from SVE_FULL_I to SVE_I. (@aarch64_pred_fma, cond_fma, *cond_fma_2) (*cond_fma_4, *cond_fma_any): Likewise. 2021-01-13 Richard Biener PR tree-optimization/92645 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported BIT_FIELD_REF argument. (vect_build_slp_tree_2): Record the desired vector type on the external vector def. (vectorizable_slp_permutation): Handle required punning of existing vector defs. 2021-01-13 Richard Sandiford * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results. 2021-01-13 Richard Sandiford * config/sh/sh.md (movsf_ie): Remove operands[2] test. 2021-01-13 Samuel Thibault * config.gcc [$target == *-*-gnu*]: Enable 'default_gnu_indirect_function'. 2021-01-13 Jakub Jelinek PR target/95905 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into registers before calling targetm.vectorize.vec_perm_const, only after that. * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle two argument permutation when one operand is zero vector and only after that force operands into registers. * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New define_insn_and_split pattern. (*avx512bw_zero_extendv32qiv32hi2_1): Likewise. (*avx512f_zero_extendv16hiv16si2_1): Likewise. (*avx2_zero_extendv8hiv8si2_1): Likewise. (*avx512f_zero_extendv8siv8di2_1): Likewise. (*avx2_zero_extendv4siv4di2_1): Likewise. * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands into registers. * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise. * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise. * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise. * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise. * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise. * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap. 2021-01-13 Martin Liska PR tree-optimization/98455 * gimple-if-to-switch.cc (condition_info::record_phi_mapping): Record also virtual PHIs. (pass_if_to_switch::execute): Return TODO_cleanup_cfg only conditionally. 2021-01-13 Jonathan Wakely * doc/invoke.texi (C++ Modules): Fix typos. 2021-01-13 Richard Biener PR tree-optimization/98640 * tree-ssa-sccvn.c (visit_nary_op): Do not try to handle plus or minus from a truncated operand to be sign-extended. 2021-01-13 Jakub Jelinek PR target/96938 * config/i386/i386.md (*btr_1, *btr_2): New define_insn_and_split patterns. (splitter after *btr_2): New splitter. 2021-01-13 Martin Liska PR ipa/98652 * cgraphunit.c (analyze_functions): Remove dead code. 2021-01-13 Qian Jianhua * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New. * config/aarch64/aarch64.c (a64fx_addrcost_table): New. (a64fx_regmove_cost, a64fx_vector_cost): New. (a64fx_tunings): Use the new added cost tables. 2021-01-13 Jakub Jelinek PR target/95905 * config/i386/predicates.md (pmovzx_parallel): New predicate. * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New define_insn_and_split pattern. (*sse4_1_zero_extendv4hiv4si2_3): Likewise. (*sse4_1_zero_extendv2siv2di2_3): Likewise. 2021-01-13 Julian Brown * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code to fix v0 register. 2021-01-13 Julian Brown * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live on entry to a BB. 2021-01-13 Julian Brown * config/gcn/gcn-valu.md (recip2, recip2): Use unspec for reciprocal-approximation instructions. (div3): Use fused multiply-accumulate operations for reciprocal refinement and division result. * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant. 2021-01-13 Julian Brown * config/gcn/gcn-valu.md (subdf): Rename to... (subdf3): This. 2021-01-12 Martin Liska * gcov.c (source_info::debug): Fix printf format for 32-bit hosts. 2021-01-12 Andrea Corallo * function-abi.h: Fix typo. 2021-01-12 Christophe Lyon PR target/97875 PR target/97875 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro. (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise. (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise. (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise. (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise. (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise. (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise. (ARM_HAVE_NEON_V2DI_LDST): Likewise. (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise. (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise. (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise. (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise. (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise. (ARM_HAVE_V2DI_LDST): Likewise. * config/arm/mve.md (*movmisalign_mve_store): New pattern. (*movmisalign_mve_load): New pattern. * config/arm/neon.md (movmisalign): Move to ... * config/arm/vec-common.md: ... here. 2021-01-12 Vladimir N. Makarov PR target/97969 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation of pattern 'plus (plus (hard reg, const), pseudo)'. 2021-01-12 Richard Biener PR tree-optimization/98550 * tree-vect-slp.c (vect_record_max_nunits): Check whether the group size is a multiple of the vector element count. (vect_build_slp_tree_1): When we need to fail because the vector type choosen causes unrolling do so lazily without affecting matches only at the end to guide group splitting. 2021-01-12 Martin Liska PR c++/97284 * optc-save-gen.awk: Compare also n_target_save vars with strcmp. 2021-01-12 Martin Liska * gcov.c (source_info::debug): New. (print_usage): Add --debug (-D) option. (process_args): Likewise. (generate_results): Call src->debug after accumulate_line_counts. (read_graph_file): Properly assign id for EXIT_BLOCK. * profile.c (branch_prob): Dump function body before it is instrumented. 2021-01-12 Jakub Jelinek PR tree-optimization/98629 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt unless returning non-zero. 2021-01-12 Jakub Jelinek PR tree-optimization/95731 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z. (optimize_range_tests): Call optimize_range_tests_cmp_bitwise only after optimize_range_tests_var_bound. 2021-01-12 Jakub Jelinek * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@. * configure: Regenerated. 2021-01-12 liuhongt PR target/98612 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS): Deleted. * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete dead code. 2021-01-12 Alexandre Oliva * ssa-iterators.h (end_imm_use_stmt_traverse): Forward declare. (auto_end_imm_use_stmt_traverse): New struct. (FOR_EACH_IMM_USE_STMT): Use it. (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove, along with uses... * gimple-ssa-strength-reduction.c: ... here, ... * graphite-scop-detection.c: ... here, ... * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ... * tree-predcom.c, tree-ssa-ccp.c: ... here, ... * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ... * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ... * tree-ssa-phiprop.c, tree-ssa.c: ... here, ... * tree-vect-slp.c: ... and here, ... * doc/tree-ssa.texi: ... and the example here. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (sdiv_pow23): Extend from SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X. (*sdiv_pow23): New pattern. (@cond_): Extend from SVE_FULL_I to SVE_I. Wrap the ASRD in an UNSPEC_PRED_X. (*cond__2): Likewise. Replace the UNSPEC_PRED_X predicate with a constant PTRUE, if it isn't already. (*cond__z): Replace with... (*cond__any): ...this new pattern. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (*cond_bic_2): Extend from SVE_FULL_I to SVE_I. (*cond_bic_any): Likewise. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (mul3_highpart) (@aarch64_pred_): Extend from SVE_FULL_I to SVE_I. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (abd_3): Extend from SVE_FULL_I to SVE_I. (*aarch64_cond_abd_2): Likewise. (*aarch64_cond_abd_any): Likewise. (@aarch64_pred_abd): Likewise. Use UNSPEC_PRED_X for the max and min but not for the minus. (*aarch64_cond_abd_3): New pattern. 2021-01-11 Richard Sandiford * config/aarch64/iterators.md (SVE_24I): New iterator. * config/aarch64/aarch64-sve.md (*aarch64_adr_shift): Extend from SVE_FULL_SDI to SVE_24I. Use containers rather than elements. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (@cond_) (*cond__2): Extend from SVE_FULL_I to SVE_I. (*cond__3): Likewise. (*cond__any): Likewise. (*cond__2_const): Likewise. (*cond__any_const): Likewise. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (3) (@aarch64_pred_) (*post_ra_3): Extend from SVE_FULL_I to SVE_I. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (3) (v3, @aarch64_pred_) (*post_ra_v3): Extend from SVE_FULL_I to SVE_I. 2021-01-11 Martin Liska PR jit/98615 * symtab-clones.h (clone_info::release): Release symtab::m_clones with ggc_delete as it's a GGC memory. 2021-01-11 Matthias Klose * Makefile.in (LINK_PROGRESS): Show the link target. 2021-01-11 Richard Biener PR tree-optimization/91403 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap single-element interleaving group size at 4096 elements. 2021-01-11 Richard Biener PR tree-optimization/98526 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing of the actual reduction op for the regular case. (vectorizable_reduction): Cost the stmts vect_transform_reduction produces here. 2021-01-11 Andreas Krebbel * tree-ssa-forwprop.c (simplify_vector_constructor): For big-endian, use UNPACK[_FLOAT]_HI. 2021-01-11 Tamar Christina * tree-vect-slp-patterns.c (class complex_pattern, class complex_add_pattern): Add parameters to matches. (complex_add_pattern::build): Free memory. (complex_add_pattern::matches): Move validation end of match. (complex_add_pattern::recognize): Likewise. 2021-01-11 Tamar Christina * tree-vect-slp-patterns.c (linear_loads_p): Fix externals. 2021-01-11 Tamar Christina * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity. 2021-01-11 Jakub Jelinek PR tree-optimization/95867 * tree-ssa-math-opts.h: New header. * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h. (powi_as_mults): No longer static. Use build_one_cst instead of build_real. Formatting fix. * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h. (attempt_builtin_powi): Handle multiplication reassociation without powi_fndecl using powi_as_mults. (reassociate_bb): For integral types don't require -funsafe-math-optimizations to call attempt_builtin_powi. 2021-01-11 Jakub Jelinek PR tree-optimization/95852 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change mul_stmts parameter type to vec &. Before cond_stmt allow in the bb any of the stmts in that vector, div_stmt and up to 3 cast stmts. (arith_cast_equal_p): New function. (arith_overflow_check_p): Add cast_stmt argument, handle signed multiply overflow checks. (match_arith_overflow): Adjust caller. Handle signed multiply overflow checks. 2021-01-11 Jakub Jelinek PR tree-optimization/95852 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function. (uaddsub_overflow_check_p): Renamed to ... (arith_overflow_check_p): ... this. Handle also multiplication with overflow check. (match_uaddsub_overflow): Renamed to ... (match_arith_overflow): ... this. Add cfg_changed argument. Handle also multiplication with overflow check. Adjust function comment. (math_opts_dom_walker::after_dom_children): Adjust callers. Call match_arith_overflow also for MULT_EXPR. 2021-01-11 Kyrylo Tkachov * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using __builtin_convertvector. (vmovl_s16): Likewise. (vmovl_s32): Likewise. (vmovl_u8): Likewise. (vmovl_u16): Likewise. (vmovl_u32): Likewise. (vmovn_s16): Likewise. (vmovn_s32): Likewise. (vmovn_s64): Likewise. (vmovn_u16): Likewise. (vmovn_u32): Likewise. (vmovn_u64): Likewise. 2021-01-11 Martin Liska * gimple-if-to-switch.cc (struct condition_info): Use auto_var. (if_chain::is_beneficial): Delete clusters (find_conditions): Make second argument of conditions_in_bbs a pointer so that we control over it's lifetime. (pass_if_to_switch::execute): Delete them. 2021-01-11 Kewen Lin * ira.c (move_unallocated_pseudos): Check other_reg and skip if it isn't set. 2021-01-09 Maciej W. Rozycki * config/vax/vax.md (cc): Remove mode attribute. (subst_, subst_f): Rename to... (subst_, subst_f): ... these respectively. (*cbranch4_): Update for `cc' removal. (*cbranch4_): Likewise. (*branch_, *branch__reversed): Likewise. 2021-01-09 Maciej W. Rozycki * config/vax/vax.md (subst_f): Add mode to operands and `const_double_zero'. 2021-01-09 Maciej W. Rozycki * config/pdp11/pdp11.md (PDPfp): New mode iterator. (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and operands. 2021-01-09 Maciej W. Rozycki * genemit.c (gen_exp) : Handle `const_double_zero' rtx. * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode with `const_double_zero'. * doc/rtl.texi (Constant Expression Types): Document it. 2021-01-09 Jakub Jelinek PR c++/98556 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of POINTER_DIFF_EXPR to be any integral type. 2021-01-09 Jakub Jelinek PR rtl-optimization/98603 * function.c (instantiate_virtual_regs_in_insn): For asm goto with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL if any, set ASM_OPERANDS mode to VOIDmode and change ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX. 2021-01-09 Alexandre Oliva PR debug/97714 * final.c (notice_source_line): Narrow down the condition to skip a line-0 marker. 2021-01-08 Sergei Trofimovich * ipa-modref.c (merge_call_side_effects): Fix linebreak split by reordering two print calls. 2021-01-08 Ilya Leoshkevich * config/s390/vector.md (*tf_to_fprx2_0): Rename from "*mov_tf_to_fprx2_0" for consistency, fix constraint. (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for consistency, fix constraint. 2021-01-08 Ilya Leoshkevich * config/s390/s390-c.c (s390_def_or_undef_macro): Accept callables instead of mask values. (struct target_flag_set_p): New predicate. (s390_cpu_cpp_builtins_internal): Define or undefine __LONG_DOUBLE_VX__ macro. 2021-01-08 H.J. Lu PR target/98482 * config/i386/i386.c (x86_function_profiler): Use R10 and R11 to call mcount in large model with PIC for NO_PROFILE_COUNTERS targets. 2021-01-08 Richard Biener * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table. 2021-01-08 Richard Biener * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix. (vect_build_slp_tree): On cache hit release the matched scalar stmts vector. * tree-vect-stmts.c (vectorizable_store): Properly free vec_oprnds before possibly gathering them again. 2021-01-08 Richard Biener PR tree-optimization/98544 * tree-vect-slp.c (vect_optimize_slp): Always materialize permutes at a permute node. 2021-01-08 H.J. Lu PR target/98482 * config/i386/i386.c (x86_function_profiler): Use R10 to call mcount in large model. Sorry for large model with PIC. 2021-01-08 Jakub Jelinek PR target/98585 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg, ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm, ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of TargetSave and initialize for variables with enum types. (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=, mstack-protector-guard-symbol=): Add Save. * config/i386/i386-options.c (ix86_function_specific_save, ix86_function_specific_restore): Don't save or restore x_ix86_cmodel, x_ix86_incoming_stack_boundary_arg, x_ix86_pmode, x_ix86_preferred_stack_boundary_arg, x_ix86_regparm, x_ix86_veclibabi_type. 2021-01-08 Richard Sandiford * config/aarch64/aarch64-sve.md (*cnot): Extend from SVE_FULL_I to SVE_I. (*cond_cnot_2, *cond_cnot_any): Likewise. 2021-01-08 Richard Sandiford * config/aarch64/aarch64-sve.md (*cond_uxt_2): Extend from SVE_FULL_I to SVE_I. (*cond_uxt_any): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/iterators.md (Vwhalf): New iterator. * config/aarch64/aarch64-simd.md (aarch64_adalp_3): Rename to... (aarch64_adalp): ... This. Make more builtin-friendly. (sadv16qi): Adjust callsite of the above. * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New builtins. * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using builtins. (vpadal_s16): Likewise. (vpadal_u8): Likewise. (vpadal_u16): Likewise. (vpadalq_s8): Likewise. (vpadalq_s16): Likewise. (vpadalq_s32): Likewise. (vpadalq_u8): Likewise. (vpadalq_u16): Likewise. (vpadalq_u32): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_abd_3): Rename to... (aarch64_abd): ... This. (sadv16qi): Adjust callsite of the above. * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define builtins. * config/aarch64/arm_neon.h (vabd_s8): Reimplement using builtin. (vabd_s16): Likewise. (vabd_s32): Likewise. (vabd_u8): Likewise. (vabd_u16): Likewise. (vabd_u32): Likewise. (vabdq_s8): Likewise. (vabdq_s16): Likewise. (vabdq_s32): Likewise. (vabdq_u8): Likewise. (vabdq_u16): Likewise. (vabdq_u32): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define builtins. * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin. (vaba_s16): Likewise. (vaba_s32): Likewise. (vaba_u8): Likewise. (vaba_u16): Likewise. (vaba_u32): Likewise. (vabaq_s8): Likewise. (vabaq_s16): Likewise. (vabaq_s32): Likewise. (vabaq_u8): Likewise. (vabaq_u16): Likewise. (vabaq_u32): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aba_3): Rename to... (aarch64_aba): ... This. Handle uaba as well. Change RTL pattern to match. 2021-01-08 Kito Cheng * common/config/riscv/riscv-common.c (riscv_current_subset_list): New. * config/riscv/riscv-c.c (riscv-subset.h): New. (INCLUDE_STRING): Define. (riscv_cpu_cpp_builtins): Add new style architecture extension test macros. * config/riscv/riscv-subset.h (riscv_subset_list::begin): New. (riscv_subset_list::end): New. (riscv_current_subset_list): New. 2021-01-08 Kito Cheng * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION): Move to riscv-subset.h. (struct riscv_subset_t): Ditto. (class riscv_subset_list): Ditto. * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move from riscv-common.c. (struct riscv_subset_t): Ditto. (class riscv_subset_list): Ditto. * config/riscv/t-riscv ($(common_out_file)): Add file dependency. 2021-01-07 Jakub Jelinek PR target/98567 * config/i386/i386.md (*bmi_blsi__cmp, *bmi_blsi__ccno): New define_insn patterns. 2021-01-07 Richard Sandiford * config/aarch64/aarch64-sve.md (@cond_) (*cond__2): Extend from SVE_FULL_I to SVE_I. (*cond__any): Likewise. 2021-01-07 Richard Sandiford PR tree-optimization/98560 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond. * internal-fn.c (vec_cond_mask_direct): Get the data mode from argument 1. (vec_cond_direct): Likewise argument 2. (vec_condu_direct, vec_condeq_direct): Delete. (expand_vect_cond_optab_fn): Rename to... (expand_vec_cond_optab_fn): ...this, replacing old macro. (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete. (expand_vect_cond_mask_optab_fn): Rename to... (expand_vec_cond_mask_optab_fn): ...this, replacing old macro. (direct_vec_cond_mask_optab_supported_p): Treat the optab as a convert optab. (direct_vec_cond_optab_supported_p): Likewise. (direct_vec_condu_optab_supported_p): Delete. (direct_vec_condeq_optab_supported_p): Delete. * gimple-isel.cc: Include internal-fn.h. (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported before using it. 2021-01-07 Richard Sandiford PR tree-optimization/98560 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK. 2021-01-07 Uroš Bizjak * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn, rotate_insn and optab code attributes. Update all uses to merged code attribute. * config/i386/sse.md: Update all uses to merged code attribute. * config/i386/mmx.md: Update all uses to merged code attribute. 2021-01-07 Jakub Jelinek PR tree-optimization/98568 * gimple-ssa-store-merging.c (bswap_view_convert): New function. (bswap_replace): Use it. 2021-01-06 Vladimir N. Makarov PR rtl-optimization/97978 * lra-int.h (lra_hard_reg_split_p): New external. * lra.c (lra_hard_reg_split_p): New global. (lra): Set up lra_hard_reg_split_p after splitting a hard reg. * lra-assigns.c (lra_assign): Don't check allocation correctness after hard reg splitting. 2021-01-06 Martin Sebor PR c++/98305 * builtins.c (new_delete_mismatch_p): New overload. (new_delete_mismatch_p (tree, tree)): Call it. 2021-01-06 Alexandre Oliva * Makefile.in (T_GLIMITS_H): New. (stmp-int-hdrs): Depend on it, use it. * config/t-vxworks (T_GLIMITS_H): Override it. (vxw-glimits.h): New. 2021-01-06 Richard Biener PR tree-optimization/98513 * value-range.cc (intersect_ranges): Compare the upper bounds for the expected relation. 2021-01-06 Gerald Pfeifer Revert: 2020-12-28 Gerald Pfeifer * doc/standards.texi (HSAIL): Remove section. 2021-01-05 Samuel Thibault * configure: Re-generate. 2021-01-05 Jakub Jelinek * doc/invoke.texi (-std=c++20): Adjust for the publication of ISO 14882:2020 standard. * doc/standards.texi: Likewise. 2021-01-05 Jakub Jelinek PR tree-optimization/94802 * expr.h (maybe_optimize_sub_cmp_0): Declare. * expr.c: Include tree-pretty-print.h and flags.h. (maybe_optimize_sub_cmp_0): New function. (do_store_flag): Use it. * cfgexpand.c (expand_gimple_cond): Likewise. 2021-01-05 Richard Sandiford * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents. * rtlanal.c (simple_regno_set): Tweak description to clarify the RMW condition. 2021-01-05 Richard Biener PR tree-optimization/98516 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming lanes when materializing on a VEC_PERM node. (vectorizable_slp_permutation): Dump the permute properly. 2021-01-05 Richard Biener * tree-vect-slp.c (vect_slp_region): Move debug counter to cover individual subgraphs. 2021-01-05 Richard Biener PR tree-optimization/98428 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject vector lane extracts for loop vectorization. 2021-01-05 Jakub Jelinek PR tree-optimization/98514 * tree-ssa-reassoc.c (bb_rank): Change type from long * to int64_t *. (operand_rank): Change type from hash_map to hash_map. (phi_rank): Change return type from long to int64_t. (loop_carried_phi): Change block_rank variable type from long to int64_t. (propagate_rank): Change return type, rank parameter type and op_rank variable type from long to int64_t. (find_operand_rank): Change return type from long to int64_t and change slot variable type from long * to int64_t *. (insert_operand_rank): Change rank parameter type from long to int64_t. (get_rank): Change return type and rank variable type from long to int64_t. Use PRId64 instead of ld to print the rank. (init_reassoc): Change rank variable type from long to int64_t and adjust correspondingly bb_rank and operand_rank initialization. 2021-01-05 Jakub Jelinek PR tree-optimization/96928 * tree-ssa-phiopt.c (xor_replacement): New function. (tree_ssa_phiopt_worker): Call it. 2021-01-05 Jakub Jelinek PR tree-optimization/96930 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended from narrower value which has the same type as 1 << B, perform the right shift on the narrower value followed by extension. 2021-01-05 Jakub Jelinek PR tree-optimization/96239 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New function. (get_status_for_store_merging): Don't return BB_INVALID for blocks with potential bswap optimizable CONSTRUCTORs. (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap if possible. 2021-01-05 Richard Biener PR tree-optimization/98381 * tree.c (vector_element_bits): Properly compute bool vector element size. * tree-vect-loop.c (vectorizable_live_operation): Properly compute the last lane bit offset. 2021-01-05 Uroš Bizjak PR target/98522 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split. Clear the top 64 bytes of the input XMM register. (sse_cvttps2pi): Ditto. 2021-01-05 Uroš Bizjak PR target/98521 * config/i386/xopintrin.h (_mm256_cmov_si256): New. 2021-01-05 H.J. Lu PR target/98495 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned short first. 2021-01-05 Claudiu Zissulescu * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST. (umaddsidi4_split): Likewise. 2021-01-05 liuhongt PR target/98461 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New define_insn_and_split for zero_extend of subreg HI of pmovskb result. (*sse2_pmovskb_zexthisi): Add new combine splitters for zero_extend of not of subreg HI of pmovskb result. 2021-01-05 Richard Sandiford PR target/97269 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs nested in CONSTs. * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use convert_memory_address to convert symbolic immediates to ptr_mode before forcing them to memory. 2021-01-05 Richard Sandiford PR rtl-optimization/97144 * recog.c (constrain_operands): Initialize matching_operand for each alternative, rather than only doing it once. 2021-01-05 Richard Sandiford PR rtl-optimization/98403 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain why we don't remove call clobbers. (function_info::apply_changes_to_insn): Don't attempt to add call clobbers here. 2021-01-05 Richard Sandiford PR tree-optimization/98371 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function. (vect_analyze_loop): If an epilogue loop appears to be cheaper than the main loop, re-analyze it as a main loop before adopting it as a main loop. 2021-01-05 Rainer Orth PR c++/98316 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL. * aclocal.m4, configure: Regenerate. * Makefile.in (NETLIBS): Define. (BACKEND): Remove $(CODYLIB). 2021-01-05 Jakub Jelinek PR rtl-optimization/98334 * simplify-rtx.c (simplify_context::simplify_binary_operation_1): Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y. 2021-01-05 Bernd Edlinger * tree-inline.c (expand_call_inline): Restore input_location. Return result from recursive call. 2021-01-04 Richard Sandiford PR tree-optimization/95401 * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::load_store_cookie): Use bits rather than bytes for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE. * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise. * tree-vect-stmts.c (vectorizable_store): Likewise. (vectorizable_load): Likewise. 2021-01-04 Richard Biener PR tree-optimization/98308 * tree-vect-stmts.c (vectorizable_load): Set invariant mask SLP vectype. 2021-01-04 Jakub Jelinek PR tree-optimization/95771 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types with precision smaller than int's precision and types with precision twice as large as long long. Formatting fixes. 2021-01-04 Richard Biener PR tree-optimization/98464 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ... (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb. (process_bb): Adjust. 2021-01-04 Matthew Malcomson PR other/98437 * doc/invoke.texi (-fsanitize=address): Fix wording describing clash with -fsanitize=hwaddress. 2021-01-04 Richard Biener PR tree-optimization/98282 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on invariants as VN_NARY. 2021-01-04 Richard Sandiford PR target/89057 * config/aarch64/aarch64-simd.md (aarch64_combine): Accept aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns to handle zero operands. 2021-01-04 Richard Sandiford * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function. (offset_6bit_unsigned_scaled_p): Fix typo in comment. (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range [-32, 31]. 2021-01-04 Richard Biener PR tree-optimization/98393 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches when hitting the limit. 2021-01-04 Richard Biener PR tree-optimization/98291 * tree-vect-loop.c (vectorizable_reduction): Bypass associativity check for SLP reductions with VF 1. 2021-01-04 Jakub Jelinek PR tree-optimization/96782 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications. 2021-01-04 Bernd Edlinger * collect-utils.c (collect_execute): Check dumppfx. * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix to collect_execute. (do_link): Add new parameter atsuffix. (main): Handle -dumpdir option. Skip one argument for -o, -isystem and -B options. * gcc.c (make_at_file): New helper function. (close_at_file): Use it. 2021-01-02 Iain Sandoe * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust. Amend handling for LD64_VERSION fallback defaults. 2021-01-02 Iain Sandoe * config.gcc: Compute default version information from the configured target. Likewise defaults for ld64. * config/darwin10.h: Removed. * config/darwin12.h: Removed. * config/darwin9.h: Removed. * config/rs6000/darwin8.h: Removed. 2021-01-02 Iain Sandoe * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete. 2021-01-02 Iain Sandoe * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here.. * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here. 2021-01-02 Iain Sandoe * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from here... * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here. 2021-01-02 Iain Sandoe * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec for the Darwin10 unwinder stub from here ... * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here. 2021-01-02 Iain Sandoe * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF (ASM_DEBUG_SPEC):Only define if the assembler supports stabs. (PREFERRED_DEBUGGING_TYPE): Default to DWARF. (DARWIN_PREFER_DWARF): Define. * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove. (DARWIN_PREFER_DWARF): Likewise (DSYMUTIL_SPEC): Likewise. (COLLECT_RUN_DSYMUTIL): Likewise. (ASM_DEBUG_SPEC): Likewise. (ASM_DEBUG_OPTION_SPEC): Likewise. 2021-01-02 Jan Hubicka * cfg.c (free_block): ggc_free bb. 2021-01-01 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. 2021-01-01 Jakub Jelinek * ChangeLog-2020: Rotate ChangeLog. New file. Copyright (C) 2021 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.