2021-05-06 Martin Jambor * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even when there is no function summary. (ipa_sra_summarize_function): produce edge summaries even when bailing out early. 2021-05-06 Tom Tromey * godump.c (string_hash_eq): Remove. (go_finish): Use htab_eq_string. 2021-05-06 Tom Tromey * gengtype-state.c (read_state): Use htab_eq_string. (string_eq): Remove. 2021-05-06 Tom Tromey * gensupport.c (htab_eq_string): Remove. 2021-05-06 Bernd Edlinger PR ipa/97937 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer. * dwarf2out.h (dw_fde_node::ignored_debug): New data item. * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy set_ignored_loc callbacks. * debug.c (do_nothing_debug_hooks): Likewise. * vmsdbgout.c (vmsdbg_debug_hooks): Likewise. * dwarf2out.c (text_section_used, cold_text_section_used): Remove. (in_text_section_p, last_text_label, last_cold_label, switch_text_ranges, switch_cold_ranges): New data items. (dwarf2out_note_section_used): Remove. (dwarf2out_begin_prologue): Set fde->ignored_debug and in_text_section_p. (mark_ignored_debug_section): New helper function. (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call mark_ignored_debug_section. (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc. (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc. (size_of_aranges): Adjust formula for multi-part text ranges size. (output_aranges): Output multi-part text ranges. (dwarf2out_set_ignored_loc): New callback function. (dwarf2out_finish): Output multi-part text ranges. (dwarf2out_c_finalize): Clear new data items. * final.c (final_start_function_1): Call set_ignored_loc callback. (final_scan_insn_1): Likewise. * ggc-page.c (gt_ggc_mx): New helper function. * stringpool.c (gt_pch_nx): Likewise. 2021-05-06 Richard Biener * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove. (TV_TREE_SSA_REWRITE_BLOCKS): Likewise. (TV_TREE_INTO_SSA): New. * tree-into-ssa.c (insert_phi_nodes): Do not account separately. (rewrite_blocks): Likewise. (pass_data_build_ssa): Account to TV_TREE_INTO_SSA. 2021-05-06 Jakub Jelinek * tree-ssa-phiopt.c (value_replacement, minmax_replacement, abs_replacement, xor_replacement, cond_removal_in_popcount_clz_ctz_pattern, replace_phi_edge_with_variable): Change type of phi argument from gimple * to gphi *. 2021-05-06 Richard Biener * tree-ssa-loop-split.c (split_loop): Delay updating SSA form. Output an opt-info message. (do_split_loop_on_cond): Likewise. (tree_ssa_split_loops): Update SSA form here. 2021-05-06 Richard Biener * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE return variable removal. 2021-05-06 Marius Hillenbrand * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros. (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64) (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate operand. * config/s390/s390.c (s390_const_operand_ok): Remove unused values. 2021-05-06 Jakub Jelinek PR tree-optimization/94589 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call spaceship_replacement. (cond_only_block_p, spaceship_replacement): New functions. 2021-05-06 Richard Biener PR ipa/100373 * tree-emutls.c (gen_emutls_addr): Pass in whether we're dealing with a debug use and only query existing addresses if so. (lower_emutls_1): Avoid splitting out addresses for debug stmts, reset the debug stmt when we fail to find existing lowered addresses. (lower_emutls_phi_arg): Set wi.stmt. 2021-05-06 Christoph Muellner PR target/100266 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper. * config/riscv/riscv.md (cbranch4): Generate helpers. (stack_protect_test): Use cbranch helper. 2021-05-05 Eric Botcazou PR target/100402 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target, always return the establisher frame for __builtin_frame_address (0). 2021-05-05 Ivan Sorokin PR target/91400 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New. (ix86_cpu_model_var): Likewise. (ix86_cpu_features2_type_node): Likewise. (ix86_cpu_features2_var): Likewise. (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with their types. 2021-05-05 Martin Sebor * passes.def (pass_warn_printf): Run after SSA. 2021-05-05 Prathamesh Kulkarni * config/arm/neon.md (neon_vtst_combine): New pattern. * config/arm/predicates.md (minus_one_operand): New predicate. 2021-05-05 Jeff Law * config/avr/avr.md: Remove references to CC_STATUS_INIT. 2021-05-05 Stefan Schulze Frielinghaus PR rtl-optimization/100263 * postreload.c (move2add_valid_value_p): Ensure register can change mode. 2021-05-05 Eric Botcazou PR rtl-optimization/100411 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue and beginning of function markers. 2021-05-05 Jeff Law * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove. * config/cr16/cr16.c (notice_update_cc): Remove. * config/cr16/cr16-protos.h (notice_update_cc): Remove. 2021-05-05 Uroš Bizjak PR target/98218 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp): Handle V8QI, V4HI and V2SI modes. * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode. (ix86_build_signbit_mask): Ditto. * config/i386/mmx.md (MMXMODE14): New mode iterator. (3): New expander. (*mmx_3): New insn pattern. (3): New expander. (*mmx_3): New insn pattern. (vec_cmp): New expander. (vec_cmpu): Ditto. (vcond): Ditto. (vcondu): Ditto. (vcond_mask_): Ditto. 2021-05-05 Eric Botcazou * dwarf2out.c (loc_list_from_tree_1) : During early DWARF, do not expand the VALUE_EXPR of variables put in the non-local frame. * gimplify.c (gimplify_type_sizes) : If the type is not to be ignored for debug info, ensure its variable offsets are not. 2021-05-05 Richard Biener PR tree-optimization/79333 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Fold stmt following SSA edges. 2021-05-05 Richard Biener PR middle-end/100394 * calls.c (expand_call): Preserve possibly throwing calls. * cfgexpand.c (expand_call_stmt): When a call can throw signal RTL expansion there are side-effects. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify, mark all possibly throwing stmts necessary unless we can elide dead EH. * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless -fdelete-dead-exceptions. * tree.h (DECL_PURE_P): Add note about exceptions. 2021-05-05 Alexandre Oliva * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it unconditional. 2021-05-04 David Edelsohn * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use get_fnname_from_decl for name of thunk. * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name and ASM_OUTPUT_LABEL. (rs6000_xcoff_declare_function_name): Use assemble_name and ASM_OUTPUT_LABEL. (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL. (rs6000_xcoff_encode_section_info): Don't add mapping class for aliases. Always add [DS] mapping class to primary FUNCTION_DECL. (rs6000_asm_weaken_decl): Don't explicitly add [DS]. 2021-05-04 Martin Sebor PR middle-end/100307 * builtins.c (compute_objsize_r): Clear base0 for pointers. 2021-05-04 Jeff Law * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove. 2021-05-04 Segher Boessenkool * caller-save.c: Remove CC0. * cfgcleanup.c: Remove CC0. * cfgrtl.c: Remove CC0. * combine.c: Remove CC0. * compare-elim.c: Remove CC0. * conditions.h: Remove CC0. * config/h8300/h8300.h: Remove CC0. * config/h8300/h8300-protos.h: Remove CC0. * config/h8300/peepholes.md: Remove CC0. * config/i386/x86-tune-sched.c: Remove CC0. * config/m68k/m68k.c: Remove CC0. * config/rl78/rl78.c: Remove CC0. * config/sparc/sparc.c: Remove CC0. * config/xtensa/xtensa.c: Remove CC0. (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of RTL where that is used as a placeholder only. * cprop.c: Remove CC0. * cse.c: Remove CC0. * cselib.c: Remove CC0. * df-problems.c: Remove CC0. * df-scan.c: Remove CC0. * doc/md.texi: Remove CC0. Adjust an example. * doc/rtl.texi: Remove CC0. Adjust an example. * doc/tm.texi: Regenerate. * doc/tm.texi.in: Remove CC0. * emit-rtl.c: Remove CC0. * final.c: Remove CC0. * fwprop.c: Remove CC0. * gcse-common.c: Remove CC0. * gcse.c: Remove CC0. * genattrtab.c: Remove CC0. * genconfig.c: Remove CC0. * genemit.c: Remove CC0. * genextract.c: Remove CC0. * gengenrtl.c: Remove CC0. * genrecog.c: Remove CC0. * haifa-sched.c: Remove CC0. * ifcvt.c: Remove CC0. * ira-costs.c: Remove CC0. * ira.c: Remove CC0. * jump.c: Remove CC0. * loop-invariant.c: Remove CC0. * lra-constraints.c: Remove CC0. * lra-eliminations.c: Remove CC0. * optabs.c: Remove CC0. * postreload-gcse.c: Remove CC0. * postreload.c: Remove CC0. * print-rtl.c: Remove CC0. * read-rtl-function.c: Remove CC0. * reg-notes.def: Remove CC0. * reg-stack.c: Remove CC0. * reginfo.c: Remove CC0. * regrename.c: Remove CC0. * reload.c: Remove CC0. * reload1.c: Remove CC0. * reorg.c: Remove CC0. * resource.c: Remove CC0. * rtl.c: Remove CC0. * rtl.def: Remove CC0. * rtl.h: Remove CC0. * rtlanal.c: Remove CC0. * sched-deps.c: Remove CC0. * sched-rgn.c: Remove CC0. * shrink-wrap.c: Remove CC0. * simplify-rtx.c: Remove CC0. * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT, CC_STATUS_MDEP, and CC_STATUS. * target.def: Remove CC0. * valtrack.c: Remove CC0. * var-tracking.c: Remove CC0. 2021-05-04 Richard Biener PR tree-optimization/100414 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance info here. (tree_ssa_phiopt_worker): But unconditionally here. 2021-05-04 Tobias Burnus * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle && and || with floating-point and complex arguments. 2021-05-04 Eric Botcazou * tree-inline.c (insert_debug_decl_map): Delete. (copy_debug_stmt): Minor tweak. (setup_one_parameter): Do not use a variable if the value is either a read-only DECL or a non-addressable local variable in the caller. In this case, insert the debug-only variable in the map manually. (expand_call_inline): Do not generate a CLOBBER for these values. * tree-inline.h (debug_map): Minor tweak. 2021-05-04 Eric Botcazou * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy. * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up. 2021-05-04 Richard Biener PR tree-optimization/100329 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate asm goto defs. (insert_stmt_after): Assert we're not running into asm goto. 2021-05-04 Richard Biener PR tree-optimization/100398 * tree-ssa-dse.c (pass_dse::execute): Preserve control altering stmts. 2021-05-04 Prathamesh Kulkarni * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype. 2021-05-04 Alexandre Oliva * builtins.c (try_store_by_multiple_pieces): New. (expand_builtin_memset_args): Use it. If target_char_cast fails, proceed as for non-constant val. Pass len's ctz to... * expr.c (clear_storage_hints): ... this. Try store by multiple pieces after setmem. (clear_storage): Adjust. * expr.h (clear_storage_hints): Likewise. (try_store_by_multiple_pieces): Declare. * passes.def: Replace the last copy_prop with ccp. 2021-05-03 Tom de Vries PR target/100321 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined reduction. 2021-05-03 Richard Biener * tree-ssa-dse.c (dse_classify_store): Track two PHI defs. 2021-05-03 Richard Biener * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h. (dse_dom_walker): Remove. (dse_dom_walker::dse_optimize_stmt): Rename... (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap. (dse_dom_walker::before_dom_children): Inline ... (pass_dse::execute): ... here. Perform a reverse program order walk. 2021-05-03 H.J. Lu PR bootstrap/99703 * configure: Regenerated. 2021-05-03 Ilya Leoshkevich PR target/100217 * config/s390/s390.c (s390_hard_fp_reg_p): New function. (s390_md_asm_adjust): Handle hard registers. 2021-05-03 Jakub Jelinek PR tree-optimization/100382 * tree-ssa-dse.c: Include tree-eh.h. (dse_dom_walker::before_dom_children): Don't remove stmts if stmt_unremovable_because_of_non_call_eh_p is true. 2021-05-02 David Edelsohn * varasm.c (compute_reloc_for_var): Split out from... (get_variable_section): Use it. * output.h (compute_reloc_for_var): Declare. * config/rs6000/rs6000-protos.h (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to unsigned int. * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix): Don't append storage mapping class to symbol. (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes. Don't convert TLS BSS to common. (rs6000_xcoff_unique_section): Don't fall back to select_secton. (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is bss_initializer. (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage mapping class. (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int. If align is 0 from TLS class, use the same rules as varasm.c If not common, switch to BSS section manually. If common, emit appropriate comm or lcomm directive. (rs6000_xcoff_encode_section_info): Add logic to append all storage mapping classes. (rs6000_asm_weaken_decl): Adjust for qualname symbols. * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use rs6000_xcoff_asm_output_aligned_decl_common. (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use rs6000_xcoff_asm_output_aligned_decl_common. (ASM_OUTPUT_TLS_COMMON): Use rs6000_xcoff_asm_output_aligned_decl_common. 2021-05-02 Jakub Jelinek PR target/100375 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0 as first argument of pseudo_node_t constructors. 2021-05-02 Jakub Jelinek PR target/100336 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def. 2021-05-01 Aldy Hernandez * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove. (gt_pch_nx (int_range<1> *&)): New. (gt_ggc_mx (int_range<1> *&)): New. * value-range.h (class irange): Add GTY support for the base class. 2021-05-01 Geng Qi * doc/options.texi (Negative): Change either or to both and. 2021-04-30 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as][q]_laneq builtin generator macros. * config/aarch64/aarch64-simd.md (mul_laneq3): Define. (aarch64_float_mla_laneq): Define. (aarch64_float_mls_laneq): Define. * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin instead of GCC vector extensions. (vmlaq_laneq_f32): Likewise. (vmls_laneq_f32): Likewise. (vmlsq_laneq_f32): Likewise. 2021-04-30 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]_lane builtin generator macros. * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt): Rename to... (mul_lane3): This, and re-order arguments. (aarch64_float_mla_lane): Define. (aarch64_float_mls_lane): Define. * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin instead of GCC vector extensions. (vmlaq_lane_f32): Likewise. (vmls_lane_f32): Likewise. (vmlsq_lane_f32): Likewise. 2021-04-30 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as] builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_float_mla): Define. (aarch64_float_mls): Define. * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin instead of relying on GCC vector extensions. (vmla_f64): Likewise. (vmlaq_f32): Likewise. (vmlaq_f64): Likewise. (vmls_f32): Likewise. (vmls_f64): Likewise. (vmlsq_f32): Likewise. (vmlsq_f64): Likewise. * config/aarch64/iterators.md: Define VDQF_DF mode iterator. 2021-04-30 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]_n_builtin generator macros. * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup): Rename to... (mul_n3): This, and re-order arguments. (aarch64_float_mla_n): Define. (aarch64_float_mls_n): Define. * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin instead of inline asm. (vmlaq_n_f32): Likewise. (vmls_n_f32): Likewise. (vmlsq_n_f32): Likewise. 2021-04-30 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add pmull[2] builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define. (aarch64_pmull_hiv16qi_insn): Define. (aarch64_pmull_hiv16qi): Define. * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin instead of inline asm. (vmull_p8): Likewise. 2021-04-30 Senthil Kumar Selvaraj * config/avr/avr.md: Adjust peepholes to match and generate parallels with clobber of REG_CC. (mov_insn): Rename to mov_insn_split. (*mov_insn): Rename to mov_insn. 2021-04-30 David Edelsohn * varasm.c (use_blocks_for_decl_p): Don't use section anchors for VAR_DECLs if -fdata-sections enabled. 2021-04-30 Michael Meissner PR bootstrap/100327 * config/rs6000/rs6000.c (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define. (rs6000_libgcc_floating_mode_supported_p): New target hook. 2021-04-30 Aldy Hernandez * tree-ssa-threadbackward.c (class thread_jumps): Split out code from here... (class back_threader_registry): ...to here... (class back_threader_profitability): ...and here... (thread_jumps::thread_through_all_blocks): Remove argument. (back_threader_registry::back_threader_registry): New. (back_threader_registry::~back_threader_registry): New. (back_threader_registry::thread_through_all_blocks): New. (thread_jumps::profitable_jump_thread_path): Move from here... (back_threader_profitability::profitable_path_p): ...to here. (thread_jumps::find_taken_edge): New. (thread_jumps::convert_and_register_current_path): Move... (back_threader_registry::register_path): ...to here. (thread_jumps::register_jump_thread_path_if_profitable): Move... (thread_jumps::maybe_register_path): ...to here. (thread_jumps::handle_phi): Call find_taken_edge and maybe_register_path. (thread_jumps::handle_assignment): Same. (thread_jumps::fsm_find_control_statement_thread_paths): Remove tree argument to handle_phi and handle_assignment. (thread_jumps::find_jump_threads_backwards): Set m_name. Remove set of m_speed_p and m_max_threaded_paths. (pass_thread_jumps::execute): Remove second argument from find_jump_threads_backwards. (pass_early_thread_jumps::execute): Same. 2021-04-30 Aldy Hernandez * tree-ssa-dom.c (class dom_jump_threader_simplifier): New. (class dom_opt_dom_walker): Initialize some class variables. (pass_dominator::execute): Pass evrp_range_analyzer and dom_jump_threader_simplifier to dom_opt_dom_walker. Adjust for some functions moving into classes. (simplify_stmt_for_jump_threading): Adjust and move to... (jump_threader_simplifier::simplify): ...here. (dom_opt_dom_walker::before_dom_children): Adjust for m_evrp_range_analyzer. (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack. (test_for_singularity): Place in dom_opt_dom_walker class. (dom_opt_dom_walker::optimize_stmt): The argument evrp_range_analyzer is now a class field. * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry. (thread_jumps::thread_through_all_blocks): New. (thread_jumps::convert_and_register_current_path): Use m_registry. (pass_thread_jumps::execute): Adjust for thread_through_all_blocks being in the threader class. (pass_early_thread_jumps::execute): Same. * tree-ssa-threadedge.c (threadedge_initialize_values): Move... (jump_threader::jump_threader): ...here. (threadedge_finalize_values): Move... (jump_threader::~jump_threader): ...here. (jump_threader::remove_jump_threads_including): New. (jump_threader::thread_through_all_blocks): New. (record_temporary_equivalences_from_phis): Move... (jump_threader::record_temporary_equivalences_from_phis): ...here. (record_temporary_equivalences_from_stmts_at_dest): Move... (jump_threader::record_temporary_equivalences_from_stmts_at_dest): Here... (simplify_control_stmt_condition_1): Move to jump_threader class. (simplify_control_stmt_condition): Move... (jump_threader::simplify_control_stmt_condition): ...here. (thread_around_empty_blocks): Move... (jump_threader::thread_around_empty_blocks): ...here. (thread_through_normal_block): Move... (jump_threader::thread_through_normal_block): ...here. (thread_across_edge): Move... (jump_threader::thread_across_edge): ...here. (thread_outgoing_edges): Move... (jump_threader::thread_outgoing_edges): ...here. * tree-ssa-threadedge.h: Move externally facing functings... (class jump_threader): ...here... (class jump_threader_simplifier): ...and here. * tree-ssa-threadupdate.c (struct redirection_data): Remove comment. (jump_thread_path_allocator::jump_thread_path_allocator): New. (jump_thread_path_allocator::~jump_thread_path_allocator): New. (jump_thread_path_allocator::allocate_thread_edge): New. (jump_thread_path_allocator::allocate_thread_path): New. (jump_thread_path_registry::jump_thread_path_registry): New. (jump_thread_path_registry::~jump_thread_path_registry): New. (jump_thread_path_registry::allocate_thread_edge): New. (jump_thread_path_registry::allocate_thread_path): New. (dump_jump_thread_path): Make extern. (debug (const vec &path)): New. (struct removed_edges): Move to tree-ssa-threadupdate.h. (struct thread_stats_d): Remove. (remove_ctrl_stmt_and_useless_edges): Make static. (lookup_redirection_data): Move... (jump_thread_path_registry::lookup_redirection_data): ...here. (ssa_redirect_edges): Make static. (thread_block_1): Move... (jump_thread_path_registry::thread_block_1): ...here. (thread_block): Move... (jump_thread_path_registry::thread_block): ...here. (thread_through_loop_header): Move... (jump_thread_path_registry::thread_through_loop_header): ...here. (mark_threaded_blocks): Move... (jump_thread_path_registry::mark_threaded_blocks): ...here. (debug_path): Move... (jump_thread_path_registry::debug_path): ...here. (debug_all_paths): Move... (jump_thread_path_registry::dump): ..here. (rewire_first_differing_edge): Move... (jump_thread_path_registry::rewire_first_differing_edge): ...here. (adjust_paths_after_duplication): Move... (jump_thread_path_registry::adjust_paths_after_duplication): ...here. (duplicate_thread_path): Move... (jump_thread_path_registry::duplicate_thread_path): ..here. (remove_jump_threads_including): Move... (jump_thread_path_registry::remove_jump_threads_including): ...here. (thread_through_all_blocks): Move to... (jump_thread_path_registry::thread_through_all_blocks): ...here. (delete_jump_thread_path): Remove. (register_jump_thread): Move... (jump_thread_path_registry::register_jump_thread): ...here. * tree-ssa-threadupdate.h: Move externally facing functions... (class jump_thread_path_allocator): ...here... (class jump_thread_path_registry): ...and here. (thread_through_all_blocks): Remove. (struct removed_edges): New. (register_jump_thread): Remove. (remove_jump_threads_including): Remove. (delete_jump_thread_path): Remove. (remove_ctrl_stmt_and_useless_edges): Remove. (free_dom_edge_info): New prototype. * tree-vrp.c: Remove x_vr_values hack. (class vrp_jump_threader_simplifier): New. (vrp_jump_threader_simplifier::simplify): New. (vrp_jump_threader::vrp_jump_threader): Adjust method signature. Remove m_dummy_cond. Instantiate m_simplifier and m_threader. (vrp_jump_threader::thread_through_all_blocks): New. (vrp_jump_threader::simplify_stmt): Remove. (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond. Remove x_vr_values hack. (execute_vrp): Adjust for thread_through_all_blocks being in a class. 2021-04-30 Christophe Lyon * genflags.c (gen_insn): Print failed expansion string. 2021-04-30 H.J. Lu * expr.c (alignment_for_piecewise_move): Call mode_for_size without limit to MAX_FIXED_MODE_SIZE. 2021-04-30 H.J. Lu PR middle-end/90773 * builtins.c (builtin_memset_gen_str): Don't use return from simplify_gen_subreg. 2021-04-30 Uroš Bizjak PR target/98060 * config/i386/i386.md (*add3_carry_0r): New insn pattern. (*addsi3_carry_zext_0r): Ditto. (*sub3_carry_0): Ditto. (*subsi3_carry_zext_0r): Ditto. * config/i386/predicates.md (ix86_carry_flag_unset_operator): New predicate. * config/i386/i386.c (ix86_rtx_costs) : Also consider ix86_carry_flag_unset_operator to calculate the cost of adc/sbb insn. 2021-04-30 Roman Zhuykov PR rtl-optimization/100225 PR rtl-optimization/84878 * modulo-sched.c (sms_schedule): Use note_stores to skip loops where we have an instruction which touches (writes) any hard register from df->regular_block_artificial_uses set. Allow not-single-set instruction only right before basic block tail. 2021-04-30 Geng Qi * config/riscv/riscv.opt (march=,mabi=): Negative itself. 2021-04-30 LevyHsu * config/riscv/riscv.c (riscv_min_arithmetic_precision): New. * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New. * config/riscv/riscv.md (addv4, uaddv4): New. (subv4, usubv4, mulv4, umulv4): New. 2021-04-29 Alexandre Oliva * config.gcc: Merged x86 and x86_64 cpu_type-setting cases. 2021-04-29 Alexandre Oliva * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to... (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0). * config/i386/i386.c: Adjust. * config/i386/i386.md: Adjust. * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop. * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. (ASM_OUTPUT_MAX_SKIP_PAD): Likewise. 2021-04-29 Uroš Bizjak * config/i386/i386-expand.c (ix86_expand_int_compare): Swap operands of GTU and LEU comparison to emit carry flag comparison. * config/i386/i386.md (*add3_carry_0): Change insn predicate to allow more combine opportunities with memory operands. (*sub3_carry_0): Ditto. 2021-04-29 Richard Sandiford PR rtl-optimization/100303 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a boolean that indicates whether the use will only be used in debug instructions. Treat it in the same way that existing cross-EBB debug references would be handled if so. (function_info::make_uses_available): Likewise. * rtl-ssa/functions.h (function_info::make_uses_available): Update prototype accordingly. (function_info::make_uses_available): Likewise. * fwprop.c (try_fwprop_subst): Update call accordingly. 2021-04-29 Jeff Law * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside of RTX_CODE guard. 2021-04-29 Uroš Bizjak Richard Biener PR target/100312 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD) (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256) (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD) (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256) (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS to PURE_ARGS category. * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins): Handle PURE_ARGS category. * config/i386/i386-expand.c (ix86_expand_builtin): Ditto. 2021-04-29 Eric Botcazou * configure.ac: Check for the presence of sys/locking.h header and for whether _LK_LOCK is supported by _locking. * configure: Regenerate. * config.in: Likewise. * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK. * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING. * system.h: Include if HAVE_SYS_LOCKING_H. 2021-04-29 Uroš Bizjak * config/i386/predicates.md (fcmov_comparison_operator): Do not check for trivial FP comparison operator. : Allow CCGZmode. : Do not allow CCCmode. (ix86_comparison_operator) : Allow only CCmode. (ix86_carry_flag_operator): Match only LTU and UNLT code. Do not check for trivial FP comparison operator. Allow CCGZmode. 2021-04-29 Tom de Vries * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of fd->loop.step by either step or orig_step. 2021-04-29 Eric Botcazou * config/sparc/sparc.c (gen_load_pcrel_sym): Delete. (load_got_register): Do the PIC dance here. (sparc_legitimize_tls_address): Simplify. (sparc_emit_probe_stack_range): Likewise. (sparc32_initialize_trampoline): Likewise. (sparc64_initialize_trampoline): Likewise. * config/sparc/sparc.md (load_pcrel_sym): Add @ marker. (probe_stack_range): Likewise. (flush): Likewise. (tgd_hi22): Likewise. (tgd_lo10): Likewise. (tgd_add): Likewise. (tgd_call): Likewise. (tldm_hi22): Likewise. (tldm_lo10): Likewise. (tldm_add): Likewise. (tldm_call): Likewise. (tldo_hix22): Likewise. (tldo_lox10): Likewise. (tldo_add): Likewise. (tie_hi22): Likewise. (tie_lo10): Likewise. (tie_add): Likewise. (tle_hix22): Likewise. (tle_lox10): Likewise. (stack_protect_setsi): Rename to... (stack_protect_set32): ...this. (stack_protect_setdi): Rename to... (stack_protect_set64): ...this. (stack_protect_set): Adjust calls to above. (stack_protect_testsi): Rename to... (stack_protect_test32): ...this. (stack_protect_testdi): Rename to... (stack_protect_test64): ...this. (stack_protect_test): Adjust calls to above. 2021-04-29 H.J. Lu PR middle-end/90773 * builtins.c (builtin_memcpy_read_str): Add a dummy argument. (builtin_strncpy_read_str): Likewise. (builtin_memset_read_str): Add an argument for the previous RTL information and generate the new RTL from the previous RTL info. (builtin_memset_gen_str): Likewise. * builtins.h (builtin_strncpy_read_str): Update the prototype. (builtin_memset_read_str): Likewise. * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p() returns true, round up size and alignment to the widest integer mode for maximum size. (pieces_addr::adjust): Add a pointer to by_pieces_prev argument and pass it to m_constfn. (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces. (op_by_pieces_d::op_by_pieces_d): Add a bool argument to initialize m_push. Initialize m_overlap_op_by_pieces with targetm.overlap_op_by_pieces_p (). (op_by_pieces_d::run): Pass the previous RTL information to pieces_addr::adjust and generate overlapping operations if m_overlap_op_by_pieces is true. (PUSHG_P): New. (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d change. (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d change. (can_store_by_pieces): Use by_pieces_constfn on constfun. (store_by_pieces): Use by_pieces_constfn on constfun. Updated for op_by_pieces_d change. (clear_by_pieces_1): Add a dummy argument. (clear_by_pieces): Updated for op_by_pieces_d change. (compare_by_pieces_d::compare_by_pieces_d): Likewise. (string_cst_read_str): Add a dummy argument. * expr.h (by_pieces_constfn): Add a dummy argument. (by_pieces_prev): New. * target.def (overlap_op_by_pieces_p): New target hook. * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New. * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P. * doc/tm.texi: Regenerated. 2021-04-29 Richard Biener PR tree-optimization/100253 * tree-vect-stmts.c (vectorizable_load): Do not assume element alignment when DR_MISALIGNMENT is -1. (vectorizable_store): Likewise. 2021-04-29 Jakub Jelinek PR target/100302 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use absu_hwi instead of abs_hwi. 2021-04-29 Richard Biener PR middle-end/38474 * tree-ssa-structalias.c (add_graph_edge): Avoid direct forwarding when indirect forwarding through ESCAPED alread happens. 2021-04-29 Tom de Vries PR target/100232 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC) (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED) (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY) (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to. 2021-04-29 Richard Biener PR tree-optimization/99912 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New. (dse_dom_walker::todo): Likewise. (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the caller. (dse_dom_walker::before_dom_children): Remove trivially dead SSA defs and schedule CFG cleanup if we removed all PHIs in a block. (pass_dse::execute): Get TODO as computed by the DOM walker and return it. Wipe dominator info earlier. 2021-04-29 Richard Biener PR ipa/100308 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children): Track blocks to cleanup EH in new m_need_eh_cleanup. (ipcp_modif_dom_walker::cleanup_eh): New. (ipcp_transform_function): Release dominator info before doing EH cleanup. 2021-04-29 Martin Sebor PR middle-end/100250 * attribs.c (attr_access::array_as_string): Avoid dereferencing a pointer when it's null. 2021-04-29 Martin Sebor * Makefile.in (OBJS): Add ipa-free-lang-data.o. * ipa-free-lang-data.cc: New file. * tree.c: Move pass free_lang_data to file above. (build_array_type_1): Declare extern. * tree.h (build_array_type_1): Declare. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Modify comment to make consistent with updated RTL pattern. * config/aarch64/aarch64-simd.md (aarch64_qmovn): Implement using ss_truncate and us_truncate rather than unspecs. * config/aarch64/iterators.md: Remove redundant unspecs and iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively. 2021-04-28 Jonathan Wright * config/aarch64/arm_acle.h (__attribute__): Make intrinsic attributes consistent with those defined in arm_neon.h. 2021-04-28 Jonathan Wright * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic attributes consistent with those defined in arm_neon.h. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add float_trunc_rodd builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df): Define. (aarch64_float_trunc_rodd_lo_v2sf): Define. (aarch64_float_trunc_rodd_hi_v4sf_le): Define. (aarch64_float_trunc_rodd_hi_v4sf_be): Define. (aarch64_float_trunc_rodd_hi_v4sf): Define. * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin instead of inline asm. (vcvtx_high_f32_f64): Likewise. (vcvtxd_f32_f64): Likewise. * config/aarch64/iterators.md: Add FCVTXN unspec. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_tbx1): Define. * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin instead of inline asm. (vqtbx1_u8): Likewise. (vqtbx1_p8): Likewise. (vqtbx1q_s8): Likewise. (vqtbx1q_u8): Likewise. (vqtbx1q_p8): Likewise. (vtbx2_s8): Likewise. (vtbx2_u8): Likewise. (vtbx2_p8): Likewise. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin generator macros. * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin instead of inline asm. (vqtbl1_s8): Likewise. (vqtbl1_u8): Likewise. (vqtbl1q_p8): Likewise. (vqtbl1q_s8): Likewise. (vqtbl1q_u8): Likewise. (vtbl1_s8): Likewise. (vtbl1_u8): Likewise. (vtbl1_p8): Likewise. (vtbl2_s8): Likewise. (vtbl2_u8): Likewise. (vtbl2_p8): Likewise. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add polynomial ssri_n buitin generator macro. * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin instead of inline asm. (vsri_n_p16): Likewise. (vsri_n_p64): Likewise. (vsriq_n_p8): Likewise. (vsriq_n_p16): Likewise. (vsriq_n_p64): Likewise. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode iterator for polynomial ssli_n builtin generator macro. * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin instead of inline asm. (vsli_n_p16): Likewise. (vsliq_n_p8): Likewise. (vsliq_n_p16): Likewise. * config/aarch64/iterators.md: Define VALLP mode iterator. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L iterator to generate [su]adalp RTL builtins. * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in [su]adalp RTL pattern. * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin instead of inline asm. (vpadal_u32): Likewise. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_addlp): Define. * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin instead of inline asm. (vpaddl_s16): Likewise. (vpaddl_s32): Likewise. (vpaddl_u8): Likewise. (vpaddl_u16): Likewise. (vpaddl_u32): Likewise. (vpaddlq_s8): Likewise. (vpaddlq_s16): Likewise. (vpaddlq_s32): Likewise. (vpaddlq_u8): Likewise. (vpaddlq_u16): Likewise. (vpaddlq_u32): Liwewise. * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with appropriate attributes. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator for aarch64_addp builtin macro generator. * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in aarch64_addp RTL pattern. * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin instead of inline asm. (vpaddq_s16): Likewise. (vpaddq_s32): Likewise. (vpaddq_s64): Likewise. (vpaddq_u8): Likewise. (vpaddq_u16): Likewise. (vpaddq_u32): Likewise. (vpaddq_u64): Likewise. 2021-04-28 Jonathan Wright * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n builtin generator macros. * config/aarch64/aarch64-simd.md (aarch64_sqdmulh_n): Define. * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin instead of inline asm. (vqdmulh_n_s32): Likewise. (vqdmulhq_n_s16): Likewise. (vqdmulhq_n_s32): Likewise. (vqrdmulh_n_s16): Likewise. (vqrdmulh_n_s32): Likewise. (vqrdmulhq_n_s16): Likewise. (vqrdmulhq_n_s32): Likewise. 2021-04-28 Tobias Burnus * doc/install.texi (--enable-offload-defaulted): Document. 2021-04-28 Senthil Kumar Selvaraj * config/avr/avr-dimode.md: Turn existing patterns into define_insn_and_split style patterns where the splitter adds a clobber of the condition code register. Drop "cc" attribute. Add new patterns to match output of the splitters. * config/avr/avr-fixed.md: Likewise. * config/avr/avr.c (cc_reg_rtx): New. (avr_parallel_insn_from_insns): Adjust insn count for removal of set of cc0. (avr_is_casesi_sequence): Likewise. (avr_casei_sequence_check_operands): Likewise. (avr_optimize_casesi): Likewise. Also insert new insns after jump_insn. (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust for removal of set of cc0. (avr_init_expanders): Initialize cc_reg_rtx. (avr_regno_reg_class): Handle REG_CC. (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE. (avr_notice_update_cc): Remove function. (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE. (compare_condition): Adjust for PARALLEL with REG_CC clobber. (out_shift_with_cnt): Likewise. (ashlhi3_out): Likewise. (ashrhi3_out): Likewise. (lshrhi3_out): Likewise. (avr_class_max_nregs): Return single reg for REG_CC. (avr_compare_pattern): Check for REG_CC instead of cc0_rtx. (avr_reorg_remove_redundant_compare): Likewise. (avr_reorg):Adjust for PARALLEL with REG_CC clobber. (avr_hard_regno_nregs): Return single reg for REG_CC. (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC. (avr_md_asm_adjust): Clobber REG_CC. (TARGET_HARD_REGNO_NREGS): Define. (TARGET_CLASS_MAX_NREGS): Define. (TARGET_MD_ASM_ADJUST): Define. * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust for REG_CC. (enum reg_class): Add CC_REG class. (NOTICE_UPDATE_CC): Remove. (CC_OVERFLOW_UNUSABLE): Remove. (CC_NO_CARRY): Remove. * config/avr/avr.md: Turn existing patterns into define_insn_and_split style patterns where the splitter adds a clobber of the condition code register. Drop "cc" attribute. Add new patterns to match output of the splitters. (sez): Remove unused pattern. 2021-04-28 Richard Earnshaw PR target/100311 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be used in HImode. 2021-04-28 Richard Sandiford PR target/100305 * config/aarch64/constraints.md (Utq): Require the address to be valid for both the element mode and for V2DImode. 2021-04-28 Jakub Jelinek Tobias Burnus * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted. * gcc.c (process_command): New variable. (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED, set it if -foffload is defaulted. * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define. (compile_offload_image): If OFFLOAD_DEFAULTED and OFFLOAD_TARGET_DEFAULT is in the environment, don't fail if corresponding mkoffload can't be found. (compile_images_for_offload_targets): Likewise. Free and clear offload_names if no valid offload is found. * config.in: Regenerate. * configure: Regenerate. 2021-04-28 Richard Biener PR tree-optimization/100292 * tree-vect-generic.c (expand_vector_condition): Do not fold the comparisons. 2021-04-27 David Edelsohn * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New. * config/rs6000/aix64.opt (m64): New. (m32): New. 2021-04-27 Maciej W. Rozycki * config/vax/vax.c (print_operand_address, vax_address_cost_1) (index_term_p): Handle ASHIFT too. 2021-04-27 Maciej W. Rozycki * config/vax/builtins.md (jbbi): Remove operand #3. (sync_lock_test_and_set): Adjust accordingly. (sync_lock_release): Likewise. 2021-04-27 Maciej W. Rozycki * config/vax/vax-protos.h (adjacent_operands_p): Remove prototype. * config/vax/vax.c (adjacent_operands_p): Remove. 2021-04-27 Maciej W. Rozycki * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall through to the non-conditional execution case if getting the condition for conditional execution has failed. 2021-04-27 Richard Sandiford PR middle-end/100284 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test. * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather than asserting on it. 2021-04-27 David Edelsohn * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect with TARGET_AIX_OS. 2021-04-27 David Edelsohn PR target/94177 * calls.c (precompute_register_parameters): Additionally test targetm.precompute_tls_p to pre-compute argument. * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define. * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New. * target.def (precompute_tls_p): New. * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation. * doc/tm.texi: Regenerated. 2021-04-27 Jakub Jelinek PR target/100200 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL back to HOST_WIDE_INT. 2021-04-27 Bernd Edlinger PR target/100106 * simplify-rtx.c (simplify_context::simplify_subreg): Check the memory alignment for the outer mode. 2021-04-27 H.J. Lu PR middle-end/90773 * expr.c (op_by_pieces_d::get_usable_mode): New member function. (op_by_pieces_d::run): Cange a while loop to a do-while loop. 2021-04-27 Alex Coplan PR target/99977 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen with negative immediates: ensure we expand cbranchsi4_scratch correctly and ensure we satisfy its constraints. * config/arm/sync.md (@atomic_compare_and_swap_1): Don't attempt to tie two output operands together with constraints; collapse two alternatives. (@atomic_compare_and_swap_1): Likewise. * config/arm/thumb1.md (cbranchsi4_neg_late): New. 2021-04-27 Jakub Jelinek PR target/100200 * config/aarch64/predicates.md (aarch64_sub_immediate, aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL. * config/aarch64/aarch64.md (casesi, rotl3): Likewise. * config/aarch64/aarch64.c (aarch64_print_operand, aarch64_split_atomic_op, aarch64_expand_subvti): Likewise. 2021-04-27 Jakub Jelinek PR tree-optimization/100239 * tree-vect-generic.c (lower_vec_perm): Don't accept constant permutations with all indices from the first zero element as vec_shl. 2021-04-27 Jakub Jelinek PR rtl-optimization/100254 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns. 2021-04-27 Richard Biener PR tree-optimization/99912 * passes.def: Add comment about new TODO_remove_unused_locals. * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals at start. 2021-04-27 Richard Biener PR tree-optimization/99912 * passes.def (pass_all_optimizations): Add pass_dse before the first pass_dce, move the first pass_dse before the pass_dce following pass_pre. 2021-04-27 Jakub Jelinek PR tree-optimization/95527 * generic-match-head.c: Include tm.h. * gimple-match-head.c: Include tm.h. * match.pd (CLZ == INTEGER_CST): Don't use #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO if clz == CFN_CLZ. Add missing val declaration. (CTZ cmp CST): New simplifications. 2021-04-27 Jakub Jelinek PR tree-optimization/96696 * expr.c (expand_expr_divmod): New function. (expand_expr_real_2) : Use it for truncations and divisions. Formatting fixes. : Optimize x / y * y as x - x % y if the latter is cheaper. 2021-04-27 Martin Jambor PR ipa/99951 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call): If removing a call statement LHS SSA name, release it. 2021-04-27 Richard Earnshaw PR target/100236 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM is valid before including it in the mask. 2021-04-27 Richard Sandiford PR target/100270 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle SVE attributes. 2021-04-27 Richard Biener PR tree-optimization/100051 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add disambiguator based on access size vs. decl size. 2021-04-27 Richard Biener PR tree-optimization/100278 * tree-ssa-pre.c (compute_avail): Give up when we cannot adjust TBAA beacuse of mismatching bases. 2021-04-27 Jakub Jelinek PR target/99405 * config/i386/i386.md (*3_mask, *3_mask_1): For any_rotate define_insn_split and following splitters, use SWI iterator instead of SWI48. 2021-04-27 Richard Biener PR tree-optimization/99776 * match.pd (bit_field_ref (ctor)): Relax element extract type compatibility checks. 2021-04-27 Cui,Lili * common/config/i386/i386-common.c (processor_names): Sync processor_names with processor_type. * config/i386/i386-options.c (processor_cost_table): Sync processor_cost_table with processor_type. 2021-04-26 Aldy Hernandez * value-range.cc (irange::irange_set_1bit_anti_range): Add assert. (irange::set): Call irange_set_1bit_anti_range for handling all 1-bit ranges. Fall through on ~[MIN,MAX]. 2021-04-26 Aldy Hernandez * value-range.cc (irange::legacy_num_pairs): Remove. (irange::invert): Change gcc_assert to gcc_checking_assert. * value-range.h (irange::num_pairs): Adjust for a cached num_pairs(). Also, rename all gcc_assert's to gcc_checking_assert's. 2021-04-26 Aldy Hernandez * value-range.cc (irange::operator=): Set m_kind. (irange::copy_to_legacy): Handle varying and undefined sources as a legacy copy since they can be easily copied. (irange::irange_set): Set m_kind. (irange::irange_set_anti_range): Same. (irange::set): Rename normalize_min_max to normalize_kind. (irange::verify_range): Adjust for multi-ranges having the m_kind field set. (irange::irange_union): Set m_kind. (irange::irange_intersect): Same. (irange::invert): Same. * value-range.h (irange::kind): Always return m_kind. (irange::varying_p): Rename to... (irange::varying_comptaible_p): ...this. (irange::undefined_p): Only look at m_kind. (irange::irange): Always set VR_UNDEFINED if applicable. (irange::set_undefined): Always set VR_UNDEFINED. (irange::set_varying): Always set m_kind to VR_VARYING. (irange::normalize_min_max): Rename to... (irange::normalize_kind): ...this. 2021-04-26 Aldy Hernandez * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info): Adjust for constant_p including varying_p. * tree-vrp.c (vrp_prop::finalize): Same. (determine_value_range): Same. * vr-values.c (vr_values::range_of_expr): Same. * value-range.cc (irange::symbolic_p): Do not check varying_p. (irange::constant_p): Same. 2021-04-26 Aldy Hernandez * value-range.cc (irange::legacy_lower_bound): Replace !undefined_p check with num_ranges > 0. (irange::legacy_upper_bound): Same. * value-range.h (irange::type): Same. (irange::lower_bound): Same. (irange::upper_bound): Same. 2021-04-26 Richard Biener PR tree-optimization/99956 * gimple-loop-interchange.cc (compute_access_stride): Try instantiating the access in a shallower loop nest if instantiating failed. (compute_access_strides): Pass adjustable loop_nest to compute_access_stride. 2021-04-26 Christophe Lyon * doc/sourcebuild.texi (arm_cmse_hw): Document. 2021-04-26 Kyrylo Tkachov * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF. 2021-04-26 Thomas Schwinge Nathan Sidwell Tom de Vries Julian Brown Kwok Cheung Yeung * omp-offload.c (oacc_validate_dims): Implement '-Wopenacc-parallelism'. * doc/invoke.texi (-Wopenacc-parallelism): Document. 2021-04-26 Richard Biener * tree-cfg.h (gimplify_build1): Remove. (gimplify_build2): Likewise. (gimplify_build3): Likewise. * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c. (gimplify_build2): Likewise. (gimplify_build3): Likewise. * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c. Modernize. (gimplify_build2): Likewise. (gimplify_build3): Likewise. (tree_vec_extract): Use resimplify with following SSA edges. (expand_vector_parallel): Avoid passing NULL size/bitpos to tree_vec_extract. * expr.c (store_constructor): Deal with zero-element CTORs. * match.pd (bit_field_ref ): Make sure to produce vector constants when possible. 2021-04-26 Richard Biener * tree-complex.c: Include gimple-fold.h. (expand_complex_addition): Use gimple_build. (expand_complex_multiplication_components): Likewise. (expand_complex_multiplication): Likewise. (expand_complex_div_straight): Likewise. (expand_complex_div_wide): Likewise. (expand_complex_division): Likewise. (expand_complex_conjugate): Likewise. (expand_complex_comparison): Likewise. 2021-04-26 Richard Biener * tree-ssa-phiopt.c (two_value_replacement): Remove use of legacy gimplify_buildN API. 2021-04-26 Richard Biener PR tree-optimization/99473 * tree-ssa-phiopt.c (cond_store_replacement): Handle all stores. 2021-04-26 Richard Biener * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin): Use replace_call_with_value. 2021-04-26 Richard Biener * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove. (update_gimple_call): Likewise. (update_call_from_tree): Likewise. * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove. (valid_gimple_call_p): Likewise. (move_ssa_defining_stmt_for_defs): Likewise. (finish_update_gimple_call): Likewise. (update_gimple_call): Likewise. (update_call_from_tree): Likewise. (propagate_tree_value_into_stmt): Use replace_call_with_value. * gimple-fold.h (update_gimple_call): Declare. * gimple-fold.c (valid_gimple_rhs_p): Move here from tree-ssa-propagate.c. (update_gimple_call): Likewise. (valid_gimple_call_p): Likewise. (finish_update_gimple_call): Likewise, and simplify. (gimplify_and_update_call_from_tree): Implement update_call_from_tree functionality, avoid excessive push/pop_gimplify_context. (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree. (gimple_fold_call): Likewise. * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise. * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise. (pass_fold_builtins::execute): Likewise. (optimize_stack_restore): Use replace_call_with_value. * tree-cfg.c (fold_loop_internal_call): Likewise. * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use only gimplify_and_update_call_from_tree. * tree-ssa-strlen.c (handle_builtin_strlen): Likewise. (handle_builtin_strchr): Likewise. * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h. 2021-04-26 Jakub Jelinek PR debug/100255 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block, vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove register keywords. 2021-04-25 liuhongt PR target/98911 * config/i386/i386-builtin.def (BDESC): Change the icode of the following builtins to CODE_FOR_nothing. * config/i386/i386.c (ix86_gimple_fold_builtin): Fold IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128, IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ, IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256, IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256, IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128, IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ, IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256, IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256. * config/i386/sse.md (avx2_eq3): Deleted. (sse2_eq3): Ditto. (sse4_1_eqv2di3): Ditto. (sse2_gt3): Rename to .. (*sse2_gt3): .. this. 2021-04-24 Iain Sandoe Revert: 2021-04-24 Iain Sandoe PR target/100152 * config/darwin.c (darwin_binds_local_p): Assume that any public symbol might be interposed for PIC code. Update function header comment to reflect current Darwin capability. 2021-04-24 Iain Sandoe PR target/100152 * config/darwin.c (darwin_binds_local_p): Assume that any public symbol might be interposed for PIC code. Update function header comment to reflect current Darwin capability. 2021-04-24 Richard Sandiford * doc/sourcebuild.texi: Document no-opts and any-opts target selectors. 2021-04-23 YiFei Zhu * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm. 2021-04-23 YiFei Zhu * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64. 2021-04-23 Uroš Bizjak PR target/100041 * config/i386/i386-options.c (ix86_option_override_internal): Error out when -m96bit-long-double is used with 64bit targets. * config/i386/i386.md (*pushxf_rounded): Remove pattern. 2021-04-23 Martin Liska * lto-wrapper.c: Remove FIXME about usage of hardware_concurrency. The function is not on par with what we have now. 2021-04-23 Uroš Bizjak PR target/100182 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2): Copy operand 3 to operand 4. Use sse_reg_operand as operand 3 predicate. (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto. (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto. (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto. (FILD_ATOMIC/FIST_ATOMIC FP store peephole2): Copy operand 1 to operand 0. (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto. (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto. (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto. 2021-04-23 Alex Coplan PR rtl-optimization/100230 * early-remat.c (early_remat::sort_candidates): Use delete[] instead of delete for array allocated with new[]. 2021-04-23 Richard Biener * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing. (capture_info::capture_info): Likewise. (capture_info::walk_match): Likewise. (expr::gen_transform): Likewise. (dt_simplify::gen_1): Likewise. * gimple-match-head.c (maybe_resimplify_conditional_op): Remove VEC_COND_EXPR special-casing. (gimple_simplify): Likewise. * gimple.c (gimple_could_trap_p_1): Adjust. * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR to participate in PRE. 2021-04-23 Richard Biener * cfganal.c (connect_infinite_loops_to_exit): First call add_noreturn_fake_exit_edges. * ipa-sra.c (process_scan_results): Do not call the now redundant add_noreturn_fake_exit_edges. * predict.c (tree_estimate_probability): Likewise. (rebuild_frequencies): Likewise. * store-motion.c (one_store_motion_pass): Likewise. 2021-04-23 Richard Biener PR tree-optimization/100222 * predict.c (pass_profile::execute): Remove redundant call to mark_irreducible_loops. (report_predictor_hitrates): Likewise. 2021-04-23 Richard Biener * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid valid_gimple_rhs_p by instead gimplifying to one. 2021-04-23 Richard Biener PR tree-optimization/99971 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Always use TBAA for loads. 2021-04-23 liuhongt PR target/100093 * config/i386/i386-options.c (ix86_option_override_internal): Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled by target attribute. 2021-04-23 David Edelsohn * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG. * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same. 2021-04-22 David Edelsohn * config.gcc (powerpc-ibm-aix6.*): Remove. * config/rs6000/aix61.h: Delete. 2021-04-22 Martin Liska PR testsuite/100159 PR testsuite/100192 * builtins.c (expand_builtin): Fix typos and missing comments. * dwarf2out.c (gen_subprogram_die): Likewise. (gen_struct_or_union_type_die): Likewise. 2021-04-22 Uroš Bizjak PR target/100119 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse): Remove the sign with FE_DOWNWARD, where x - x = -0.0. 2021-04-21 Iain Sandoe * config/i386/darwin.h (TARGET_64BIT): Remove definition based on TARGET_ISA_64BIT. (TARGET_64BIT_P): Remove definition based on TARGET_ISA_64BIT_P(). 2021-04-21 Martin Liska Revert: 2021-04-21 Martin Liska * lto-wrapper.c (cpuset_popcount): Remove. (init_num_threads): Remove and use hardware_concurrency. 2021-04-21 Martin Liska PR jit/98615 * main.c (main): Call toplev::finalize in CHECKING_P mode. * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL when incremental LTO linking happens. 2021-04-21 Martin Liska * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the makeserver cannot be detected, then use -flto=N fallback. 2021-04-21 Richard Sandiford * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling, default to yes for aarch64-linux-gnu. * configure: Regenerate. 2021-04-21 Martin Liska * lto-wrapper.c (cpuset_popcount): Remove. (init_num_threads): Remove and use hardware_concurrency. 2021-04-21 Martin Liska * config/i386/i386.c: Remove superfluous || TARGET_MACHO which remains to be '(... || 0)' and clang complains about it. * dwarf2out.c (AT_vms_delta): Declare conditionally. (add_AT_vms_delta): Likewise. * tree.c (fld_simplified_type): Use rather more common pattern for disabling of something (#if 0). (get_tree_code_name): Likewise. (verify_type_variant): Likewise. 2021-04-21 Martin Liska * config/i386/i386-expand.c (decide_alignment): Use newly named macro TARGET_CPU_P. * config/i386/i386.c (ix86_decompose_address): Likewise. (ix86_address_cost): Likewise. (ix86_lea_outperforms): Likewise. (ix86_avoid_lea_for_addr): Likewise. (ix86_add_stmt_cost): Likewise. * config/i386/i386.h (TARGET_*): Remove. (TARGET_CPU_P): New macro. * config/i386/i386.md: Use newly named macro TARGET_CPU_P. * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise. (swap_top_of_ready_list): Likewise. (ix86_atom_sched_reorder): Likewise. * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise. * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise. 2021-04-21 Martin Liska * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P): Define. (SET_TARGET_NO_SAHF): Likewise. (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise. (SET_TARGET_PREFETCH_SSE): Likewise. (TARGET_EXPLICIT_NO_TUNE_P): Likewise. (SET_TARGET_NO_TUNE): Likewise. (TARGET_EXPLICIT_NO_80387_P): Likewise. (SET_TARGET_NO_80387): Likewise. (DEF_PTA): New. * config/i386/i386.h (TARGET_*): Remove. * opth-gen.awk: Generate new used macros. 2021-04-21 Martin Liska * config/i386/i386.h (PTA_*): Remove. (enum pta_flag): New. (DEF_PTA): Generate PTA_* values from i386-isa.def. * config/i386/i386-isa.def: New file. 2021-04-21 Alex Coplan PR target/99988 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New. (rest_of_insert_bti): Avoid inserting duplicate bti j insns for jump table targets. 2021-04-21 H.J. Lu * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and x86_64-*-* targets. * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET): New. (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise. (ix86_handle_option): Handle -mmwait. * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins): Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on __builtin_ia32_monitor and __builtin_ia32_mwait. * config/i386/i386-options.c (isa2_opts): Add -mmwait. (ix86_valid_target_attribute_inner_p): Likewise. (ix86_option_override_internal): Enable mwait/monitor instructions for -msse3. * config/i386/i386.h (TARGET_MWAIT): New. (TARGET_MWAIT_P): Likewise. * config/i386/i386.opt: Add -mmwait. * config/i386/mwaitintrin.h: New file. * config/i386/pmmintrin.h: Include . * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with TARGET_MWAIT. (@sse3_monitor_): Likewise. * config/i386/x86gprintrin.h: Include . * doc/extend.texi: Document mwait target attribute. * doc/invoke.texi: Document -mmwait. 2021-04-21 Martin Liska * config/i386/i386-options.c (DEF_ENUM): Remove it. * config/i386/i386-opts.h (DEF_ENUM): Likewise. * config/i386/stringop.def (DEF_ENUM): Likewise. 2021-04-21 Martin Liska * tree-cfg.c (gimple_verify_flow_info): Use qD instead of print_generic_expr. 2021-04-21 Jakub Jelinek PR rtl-optimization/100148 * cprop.c (constprop_register): Use next_nondebug_insn instead of NEXT_INSN. 2021-04-21 Martin Liska PR ipa/98815 * cgraphunit.c (cgraph_node::analyze): Remove duplicate free_dominance_info calls. 2021-04-21 Richard Biener * gimple-fold.c (maybe_fold_reference): Remove is_lhs parameter (and assume it to be false). (fold_gimple_assign): Adjust, remove all callers of maybe_fold_reference calling it with is_lhs true. (gimple_fold_call): Likewise. (fold_stmt_1): Likewise. 2021-04-21 Richard Biener * fold-const.c (pedantic_non_lvalue_loc): Remove. (fold_binary_loc): Adjust. (fold_ternary_loc): Likewise. 2021-04-21 Richard Sandiford PR middle-end/100130 * varasm.c (get_block_for_decl): Make sure that any use of the retain attribute matches the section's retain flag. (switch_to_section): Check for retain mismatches even when changing sections, but do not warn if the given decl is the section's named.decl. (output_object_block): Pass the first decl in the block (if any) to switch_to_section. 2021-04-20 H.J. Lu * config/i386/i386-c.c (ix86_target_macros_internal): Define __CRC32__ for -mcrc32. * config/i386/i386-options.c (ix86_option_override_internal): Enable crc32 instruction for -msse4.2. * config/i386/i386.md (sse4_2_crc32): Remove TARGET_SSE4_2 check. (sse4_2_crc32di): Likewise. * config/i386/ia32intrin.h: Use crc32 target option for CRC32 intrinsics. 2021-04-20 Segher Boessenkool PR target/100108 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider OPTION_MASK_ISEL. 2021-04-20 Martin Liska * doc/invoke.texi: Fix typo. * params.opt: Likewise. 2021-04-20 Martin Liska * doc/invoke.texi: Document new param. 2021-04-19 Andrew MacLeod PR tree-optimization/100081 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute rather than gori_compute_cache. * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file. (range_def_chain::m_logical_depth): New member. (range_def_chain::range_def_chain): Initialize m_logical_depth. (range_def_chain::get_def_chain): Don't build defchains through more than LOGICAL_LIMIT logical expressions. * params.opt (param_ranger_logical_depth): New. 2021-04-19 Richard Earnshaw PR target/100067 * config/arm/arm.c (arm_configure_build_target): Do not strip extended FPU/SIMD feature bits from the target ISA when -mfpu is specified (partial revert of r11-8168). 2021-04-19 Thomas Schwinge * params.opt (-param=openacc-kernels=): Add. * omp-oacc-kernels-decompose.cc (pass_omp_oacc_kernels_decompose::gate): Use it. * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move... (--param): ... here, 'openacc-kernels'. 2021-04-19 Martin Liska PR c/100143 * gengtype.c (finish_root_table): Align function arguments in between declaration and definition. 2021-04-19 Eric Botcazou * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with frames larger than the SEH maximum frame size. 2021-04-18 Segher Boessenkool PR rtl-optimization/99927 * combine.c (distribute_notes) [REG_UNUSED]: If the register already is dead, just drop it. 2021-04-17 Iain Buclaw PR d/99914 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define. * doc/tm.texi: Regenerate. * doc/tm.texi.in (D language and ABI): Add @hook for TARGET_D_TEMPLATES_ALWAYS_COMDAT. 2021-04-17 Iain Buclaw * config/darwin-d.c (darwin_d_handle_target_object_format): New function. (darwin_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New function. (dragonfly_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. * config/freebsd-d.c (freebsd_d_handle_target_object_format): New function. (freebsd_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. * config/glibc-d.c (glibc_d_handle_target_object_format): New function. (glibc_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. * config/i386/i386-d.c (ix86_d_handle_target_object_format): New function. (ix86_d_register_target_info): Add ix86_d_handle_target_object_format as handler for objectFormat key. * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New function. (winnt_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. * config/netbsd-d.c (netbsd_d_handle_target_object_format): New function. (netbsd_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. * config/openbsd-d.c (openbsd_d_handle_target_object_format): New function. (openbsd_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. * config/pa/pa-d.c (pa_d_handle_target_object_format): New function. (pa_d_register_target_info): Add pa_d_handle_target_object_format as handler for objectFormat key. * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New function. (rs6000_d_register_target_info): Add rs6000_d_handle_target_object_format as handler for objectFormat key. * config/sol2-d.c (solaris_d_handle_target_object_format): New function. (solaris_d_register_target_info): New function. (TARGET_D_REGISTER_OS_TARGET_INFO): Define. 2021-04-16 Jakub Jelinek PR target/91710 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change abi_break argument from bool * to unsigned *, store there the pre-GCC 9 alignment. (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers. (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if the old and new alignment after applying MIN/MAX to it is different. 2021-04-16 Tamar Christina PR target/100048 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv): New. * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new TRN optab. * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New. 2021-04-16 Bill Schmidt * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise this section and its subsections. 2021-04-16 Jakub Jelinek PR target/100075 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New define_insn patterns. 2021-04-16 Richard Sandiford PR rtl-optimization/98689 * reg-notes.def (UNTYPED_CALL): New note. * combine.c (distribute_notes): Handle it. * emit-rtl.c (try_split): Likewise. * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume that calls with the note implicitly set all return value registers. * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL to untyped_calls. 2021-04-16 Richard Sandiford PR rtl-optimization/99596 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global register accesses for const calls. Assume that pure functions can only read from global registers. Ignore cases in which the stack pointer has been marked global. 2021-04-16 Jakub Jelinek PR target/99767 * tree-vect-loop.c (vect_transform_loop): Don't remove just dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace them by their last argument. 2021-04-15 Martin Liska * doc/invoke.texi: Other params don't use it, remove it. 2021-04-15 Richard Biener * gimple-builder.h: Add deprecation note. 2021-04-15 Richard Sandiford PR c++/98852 * attribs.h (restrict_type_identity_attributes_to): Declare. * attribs.c (restrict_type_identity_attributes_to): New function. 2021-04-15 Richard Sandiford PR c/98852 * attribs.h (affects_type_identity_attributes): Declare. * attribs.c (remove_attributes_matching): New function. (affects_type_identity_attributes): Likewise. 2021-04-15 Jakub Jelinek PR target/100056 * config/aarch64/aarch64.md (*_3): Add combine splitters for *_ashl3 with ZERO_EXTEND, SIGN_EXTEND or AND. 2021-04-14 Richard Sandiford PR rtl-optimization/99929 * rtl.h (same_vector_encodings_p): New function. * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding. * cselib.c (rtx_equal_for_cselib_1): Likewise. * jump.c (rtx_renumbered_equal_p): Likewise. * lra-constraints.c (operands_match_p): Likewise. * reload.c (operands_match_p): Likewise. * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise. 2021-04-14 Richard Sandiford * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print more information about variable-length CONST_VECTORs. 2021-04-14 Vladimir N. Makarov PR rtl-optimization/100066 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for ordered modes when choosing splitting mode for hard reg. 2021-04-14 Richard Sandiford PR target/99246 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel): New function. (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2. 2021-04-14 Andreas Krebbel * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros for mask operand types. (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64) (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate operand. (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the immediate operand. * config/s390/s390.c (s390_const_operand_ok): Check the new operand types and generate a list of valid values. 2021-04-14 Iain Buclaw * doc/tm.texi: Regenerate. * doc/tm.texi.in (D language and ABI): Add @hook for TARGET_D_REGISTER_OS_TARGET_INFO. 2021-04-14 Iain Buclaw * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New function. (aarch64_d_register_target_info): New function. * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info): Declare. * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function. (arm_d_register_target_info): New function. * config/arm/arm-protos.h (arm_d_register_target_info): Declare. * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function. (ix86_d_register_target_info): New function. * config/i386/i386-protos.h (ix86_d_register_target_info): Declare. * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function. (mips_d_register_target_info): New function. * config/mips/mips-protos.h (mips_d_register_target_info): Declare. * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function. (pa_d_register_target_info): New function. * config/pa/pa-protos.h (pa_d_register_target_info): Declare. * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New function. (riscv_d_register_target_info): New function. * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare. * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New function. (rs6000_d_register_target_info): New function. * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info): Declare. * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function. (s390_d_register_target_info): New function. * config/s390/s390-protos.h (s390_d_register_target_info): Declare. * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New function. (sparc_d_register_target_info): New function. * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare. * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define. * doc/tm.texi: Regenerate. * doc/tm.texi.in (D language and ABI): Add @hook for TARGET_D_REGISTER_CPU_TARGET_INFO. 2021-04-14 Iain Buclaw * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function. * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare. * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define. * doc/tm.texi: Regenerate. * doc/tm.texi.in (D language and ABI): Add @hook for TARGET_D_HAS_STDCALL_CONVENTION. 2021-04-14 Richard Biener * tree-cfg.c (verify_gimple_assign_ternary): Verify that VEC_COND_EXPRs have a gimple_val condition. * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR can no longer have a GENERIC condition. 2021-04-14 Richard Earnshaw PR target/100067 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits from the isa_delta when -mfpu has been used. (arm_options_perform_arch_sanity_checks): It's the architecture that lacks an FPU not the processor. 2021-04-13 Richard Biener PR tree-optimization/100053 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do not use optimistic dominance queries for backedges to validate predicated values. (dominated_by_p_w_unex): Add parameter to ignore executable state on backedges. (rpo_elim::eliminate_avail): Adjust. 2021-04-13 Jakub Jelinek PR target/100028 * config/aarch64/aarch64.md (*aarch64_bfxil_extr, *aarch64_bfxilsi_extrdi): New define_insn patterns. 2021-04-13 Jakub Jelinek PR target/99648 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P outermode, return NULL if the result doesn't encode back to the original byte sequence. (simplify_gen_subreg): Don't create SUBREGs from constants to MODE_COMPOSITE_P outermode. 2021-04-12 Jakub Jelinek PR rtl-optimization/99905 * combine.c (expand_compound_operation): If pos + len > modewidth, perform the right shift by pos in inner_mode and then convert to mode, instead of trying to simplify a shift of rtx with inner_mode by pos as if it was a shift in mode. 2021-04-12 Jakub Jelinek PR debug/99830 * combine.c (simplify_and_const_int_1): Don't optimize varop away if it has side-effects. 2021-04-12 Martin Liska * doc/extend.texi: Escape @smallexample content. 2021-04-12 Stefan Schulze Frielinghaus * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add alternative in order to load a DFP zero. 2021-04-12 Martin Liska * doc/extend.texi: Be more precise in documentation of symver attribute. 2021-04-12 Martin Liska PR sanitizer/99877 * gimplify.c (gimplify_expr): Right now, we unpoison all variables before a goto . We should not do it if we are in a omp context. 2021-04-12 Cui,Lili * common/config/i386/cpuinfo.h (get_intel_cpu): Handle rocketlake. * common/config/i386/i386-common.c (processor_names): Add rocketlake. (processor_alias_table): Add rocketlake. * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add INTEL_COREI7_ROCKETLAKE. * config.gcc: Add -march=rocketlake. * config/i386/i386-c.c (ix86_target_macros_internal): Handle rocketlake. * config/i386/i386-options.c (m_ROCKETLAKE) : Define. (processor_cost_table): Add rocketlake cost. * config/i386/i386.h (ix86_size_cost) : Define TARGET_ROCKETLAKE. (processor_type) : Add PROCESSOR_ROCKETLAKE. (PTA_ROCKETLAKE): Ditto. * doc/extend.texi: Add rocketlake. * doc/invoke.texi: Add rocketlake. 2021-04-12 Cui,Lili * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list. * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE. * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model. * doc/invoke.texi: Change alderlake ISA list. 2021-04-11 Hafiz Abid Qadeer PR middle-end/98088 * omp-expand.c (expand_oacc_collapse_init): Update condition in a gcc_assert. 2021-04-10 H.J. Lu PR target/99744 * config/i386/serializeintrin.h (_serialize): Defined as macro. 2021-04-10 Jakub Jelinek PR lto/99849 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs. 2021-04-10 Jakub Jelinek PR middle-end/99989 * gimple-ssa-warn-alloca.c (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to 0 with integer precision unconditionally. 2021-04-10 Jakub Jelinek PR rtl-optimization/98601 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT unaligned_mems handle VOIDmode like BLKmode. 2021-04-10 Jan Hubicka PR lto/99857 * tree.c (free_lang_data_in_decl): Do not release body of declare_variant_alt. 2021-04-09 Richard Sandiford * config/aarch64/aarch64.c (aarch64_option_restore): If the architecture was specified explicitly and the tuning wasn't, tune for the architecture rather than the configured default CPU. 2021-04-09 Richard Sandiford * config/aarch64/aarch64.md (tlsdesc_small_sve_): Use X30 as the temporary register. 2021-04-09 Martin Liska * doc/extend.texi: Move non-target attributes on the top level. 2021-04-09 Martin Liska * doc/invoke.texi: Document minimum and maximum value of the argument for both supported compression algorithms. 2021-04-08 David Edelsohn * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select TLS BSS before TLS data. * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm. 2021-04-08 Richard Sandiford * doc/sourcebuild.texi (stdint_types_mbig_endian): Document. 2021-04-08 Richard Sandiford * match.pd: Extend vec_cond folds to handle shifts. 2021-04-08 Maciej W. Rozycki * config/vax/vax.md: Fix comment for `*bit' pattern's peephole. 2021-04-08 Alex Coplan PR target/99647 * config/arm/iterators.md (MVE_vecs): New. (V_elem): Also handle V2DF. * config/arm/mve.md (*mve_mov): Rename to ... (*mve_vdup): ... this. Remove second alternative since vec_duplicate of const_int is not canonical RTL, and we don't want to match symbol_refs. (*mve_vec_duplicate): Delete (pattern is redundant). 2021-04-08 Xionghu Luo * fold-const.c (fold_single_bit_test): Fix typo. * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single instead. 2021-04-07 Richard Sandiford PR tree-optimization/97513 * tree-vect-slp.c (vect_add_slp_permutation): New function, split out from... (vectorizable_slp_permutation): ...here. Detect cases in which all VEC_PERM_EXPRs are guaranteed to have the same stepped permute vector and only generate one permute vector for that case. Extend that case to handle variable-length vectors. 2021-04-07 Richard Sandiford PR tree-optimization/99873 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function. (vect_build_slp_instance): Don't split store groups that could use IFN_STORE_LANES. 2021-04-07 Jakub Jelinek PR target/99872 * varasm.c (output_constant_pool_contents): Don't strip name encoding from XSTR (desc->sym, 0) or from label before passing those to ASM_OUTPUT_DEF. 2021-04-07 Richard Biener PR tree-optimization/99954 * tree-loop-distribution.c: Include tree-affine.h. (generate_memcpy_builtin): Try using tree-affine to prove non-overlap. (loop_distribution::classify_builtin_ldst): Always classify as PKIND_MEMMOVE. 2021-04-07 Richard Biener PR tree-optimization/99947 * tree-vect-loop.c (vectorizable_induction): Pre-allocate steps vector to avoid pushing elements from the reallocated vector. 2021-04-07 Richard Biener * tree-ssa-sccvn.h (print_vn_reference_ops): Declare. * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand printing... * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new function. (debug_vn_reference_ops): New. 2021-04-07 Bin Cheng PR tree-optimization/98736 * tree-loop-distribution.c * (loop_distribution::bb_top_order_init): Compute RPO with programing order preserved by calling function rev_post_order_and_mark_dfs_back_seme. 2021-04-06 Vladimir N. Makarov PR target/99781 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p. * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New functions. (process_bb_lives): Don't update biggest mode of hard reg for implicit in multi-register group. Use the new functions for updating dead_set and unused_set by register notes. 2021-04-06 Xianmiao Qu * config/csky/csky_pipeline_ck802.md : Use insn reservation name instead of *. 2021-04-06 H.J. Lu * config/i386/x86-tune-costs.h (skylake_memcpy): Updated. (skylake_memset): Likewise. (skylake_cost): Change CLEAR_RATIO to 17. * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB): Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER, m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512. 2021-04-06 Richard Biener PR tree-optimization/99880 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only set vectorized defs of relevant PHIs. 2021-04-06 Richard Biener PR tree-optimization/99924 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark nodes w/o scalar stmts as visited. 2021-04-06 Alex Coplan PR target/99748 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base PCS for [su]fix_optab. 2021-04-03 Iain Sandoe * config/darwin.c (machopic_legitimize_pic_address): Check that the current pic register is one of the hard reg set before setting liveness. 2021-04-03 Iain Sandoe * config/darwin.c (machopic_legitimize_pic_address): Fix whitespace, remove unused code. 2021-04-03 Jakub Jelinek PR tree-optimization/99882 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with pointer type. 2021-04-03 Jakub Jelinek PR rtl-optimization/99863 * dse.c (replace_read): Drop regs_live argument. Instead of regs_live, use store_insn->fixed_regs_live if non-NULL, otherwise punt if insns sequence clobbers or sets any hard registers. 2021-04-03 Jakub Jelinek PR testsuite/98125 * targhooks.h (default_print_patchable_function_entry_1): Declare. * targhooks.c (default_print_patchable_function_entry_1): New function, copied from default_print_patchable_function_entry with an added flags argument. (default_print_patchable_function_entry): Rewritten into a small wrapper around default_print_patchable_function_entry_1. * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY): Redefine. (rs6000_print_patchable_function_entry): New function. 2021-04-02 Eric Botcazou * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak. 2021-04-01 Jason Merrill PR c++/98481 * common.opt: Document v15 and v16. 2021-04-01 Richard Biener PR tree-optimization/99863 * gimplify.c (gimplify_init_constructor): Recompute vector constructor flags. 2021-04-01 Jakub Jelinek * doc/extend.texi (symver attribute): Fix up syntax errors in the examples. 2021-04-01 Jakub Jelinek PR tree-optimization/96573 * gimple-ssa-store-merging.c (init_symbolic_number): Handle also pointer types. 2021-04-01 Richard Biener PR tree-optimization/99856 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote precision to vector element precision. 2021-04-01 Martin Jambor PR tree-optimization/97009 * tree-sra.c (access_or_its_child_written): New function. (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write test. 2021-03-31 Jan Hubicka PR ipa/98265 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL. 2021-03-31 Pat Haugen PR target/99133 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst, xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst, xxblend_, xxpermx_inst, xxeval): Mark prefixed. * config/rs6000/mma.md (mma_, mma_, mma_, mma_, mma_, mma_, mma_, mma_, mma_, mma_): Likewise. * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test. * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New. (define_attr "prefixed"): Update initializer. 2021-03-31 Jakub Jelinek PR debug/99490 * dwarf2out.c (debug_ranges_dwo_section): New variable. (DW_RANGES_IDX_SKELETON): Define. (struct dw_ranges): Add begin_entry and end_entry members. (DEBUG_DWO_RNGLISTS_SECTION): Define. (add_ranges_num): Adjust r initializer for addition of *_entry members. (add_ranges_by_labels): For -gsplit-dwarf and force_direct, set idx to DW_RANGES_IDX_SKELETON. (use_distinct_base_address_for_range): New function. (index_rnglists): Don't set r->idx if it is equal to DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and r->end_entry for -gsplit-dwarf if those will be needed by output_rnglists. (output_rnglists): Add DWO argument. If true, switch to debug_ranges_dwo_section rather than debug_ranges_section. Adjust l1/l2 label indexes. Only output the offset table when dwo is true and don't include in there the skeleton range entry if present. For -gsplit-dwarf, skip ranges that belong to the other rnglists section. Change return type from void to bool and return true if there are any range entries for the other section. For dwarf_split_debug_info use DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx entries instead of DW_RLE_start_end, DW_RLE_start_length and DW_RLE_base_address. Use use_distinct_base_address_for_range. (init_sections_and_labels): Initialize debug_ranges_dwo_section if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label and range_base_label indexes. (dwarf2out_finish): Call index_rnglists earlier before finalizing .debug_addr. Never emit DW_AT_rnglists_base attribute. For -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice with different dwo arguments. (dwarf2out_c_finalize): Clear debug_ranges_dwo_section. 2021-03-31 Richard Sandiford PR tree-optimization/98268 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call recompute_tree_invariant_for_addr_expr after successfully folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR. 2021-03-31 Richard Sandiford PR tree-optimization/99726 * tree-data-ref.c (create_intersect_range_checks_index): Bail out if there is more than one access function SCEV for the loop being versioned. 2021-03-31 Richard Sandiford PR rtl-optimization/97141 PR rtl-optimization/98726 * emit-rtl.c (valid_for_const_vector_p): Return true for CONST_POLY_INT_P. * rtx-vector-builder.h (rtx_vector_builder::step): Return a poly_wide_int instead of a wide_int. (rtx_vector_builder::apply_set): Take a poly_wide_int instead of a wide_int. * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise. * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return false for CONST_VECTORs that cannot be forced to memory. * config/aarch64/aarch64-simd.md (mov): If a CONST_VECTOR is too complex to force to memory, build it up from individual elements instead. 2021-03-31 Jan Hubicka PR lto/99447 * cgraph.c (cgraph_node::release_body): Fix overactive check. 2021-03-31 Christophe Lyon PR target/99786 * config/arm/vec-common.md (mul3): Disable on iwMMXT, expect for V4HI and V2SI. 2021-03-31 H.J. Lu * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode to SImode. (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use "rep movsb/stosb" only for known sizes. * config/i386/i386-options.c (processor_cost_table): Use Ice Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire Rapids and Alder Lake. * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New. * config/i386/x86-tune-costs.h (icelake_memcpy): New. (icelake_memset): Likewise. (icelake_cost): Likewise. * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB): New. 2021-03-31 Richard Sandiford PR target/98119 * config/aarch64/aarch64.c (aarch64_vectorize_preferred_vector_alignment): Query the size of the provided SVE vector; do not assume that all SVE vectors have the same size. 2021-03-31 Jan Hubicka PR lto/99447 * cgraph.c (cgraph_node::release_body): Remove all callers and references. * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here. * cgraphunit.c (cgraph_node::expand): And here. 2021-03-31 Martin Liska * ipa-modref.c (analyze_ssa_name_flags): Fix coding style and one negated condition. 2021-03-31 Jakub Jelinek Richard Sandiford PR target/99813 * config/aarch64/aarch64.md (*add3_poly_1): Swap Uai and Uav constraints on operands[2] and similarly 0 and rk constraints on operands[1] corresponding to that. 2021-03-31 Jakub Jelinek PR bootstrap/98860 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF linker doesn't support DWARF sections new in DWARF5. * config/i386/i386-options.c (ix86_option_override_internal): Default to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF targets. * config.in: Regenerated. * configure: Regenerated. 2021-03-30 Kyrylo Tkachov PR target/99820 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for available issue_info before using it. 2021-03-30 Kyrylo Tkachov PR target/99822 * config/aarch64/aarch64.md (sub3_compare1_imm): Do not allow zero in operand 1. 2021-03-30 Xionghu Luo PR target/99718 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ... (altivec_lvsl_reg_): ... this. (altivec_lvsr_reg): Change to ... (altivec_lvsr_reg_): ... this. * config/rs6000/predicates.md (vec_set_index_operand): New. * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Enable 32bit variable vec_insert for all TARGET_VSX. * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9): Enable 32bit variable vec_insert for p9 and above. (rs6000_expand_vector_set_var_p8): Rename to ... (rs6000_expand_vector_set_var_p7): ... this. (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert position. * config/rs6000/vector.md (vec_set): Use vec_set_index_operand. * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and gen_altivec_lvsr_reg_di. 2021-03-30 H.J. Lu PR target/99744 * config/i386/ia32intrin.h (__rdtsc): Defined as macro. (__rdtscp): Likewise. 2021-03-30 Tamar Christina PR tree-optimization/99825 * tree-vect-slp-patterns.c (vect_check_evenodd_blend): Reject non-mult 2 lanes. 2021-03-30 Richard Earnshaw PR target/99773 * config/arm/arm.c (arm_file_start): Fix emission of Tag_ABI_VFP_args attribute. 2021-03-30 Richard Biener PR tree-optimization/99824 * stor-layout.c (set_min_and_max_values_for_integral_type): Assert the precision is within the bounds of WIDE_INT_MAX_PRECISION. * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use the outermost component ref only to lower the access size and initialize that from the access type. 2021-03-30 Richard Sandiford PR target/98136 * config/aarch64/aarch64.md (mov): Pass multi-instruction CONST_INTs to aarch64_expand_mov_immediate when called after RA. 2021-03-30 Mihailo Stojanovic * config/aarch64/aarch64.md (_trunc2): Set the "arch" attribute to disambiguate between SIMD and FP variants of the instruction. 2021-03-29 Jan Hubicka * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref. (analyze_ssa_name_flags): Fix typo in comment. 2021-03-29 Alex Coplan PR target/99216 * config/aarch64/aarch64-sve-builtins.cc (function_builder::add_function): Add placeholder_p argument, use placeholder decls if this is set. (function_builder::add_unique_function): Instead of conditionally adding direct overloads, unconditionally add either a direct overload or a placeholder. (function_builder::add_overloaded_function): Set placeholder_p if we're using C++ overloads. Use the obstack for string storage instead of relying on the tree nodes. (function_builder::add_overloaded_functions): Don't return early for m_direct_overloads: we need to add placeholders. * config/aarch64/aarch64-sve-builtins.h (function_builder::add_function): Add placeholder_p argument. 2021-03-29 Richard Biener PR tree-optimization/99807 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move assert below VEC_PERM handling. 2021-03-29 Kyrylo Tkachov PR target/99037 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_): Use aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern matching const_int 0. (move_lo_quad_internal_be_): Likewise. (move_lo_quad_): Update for the above. * config/aarch64/iterators.md (VQ_2E): Delete. 2021-03-29 Jakub Jelinek PR tree-optimization/99777 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from types other than scalar integral types. 2021-03-28 David Edelsohn * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add XCOFF TLS reloc decorations. 2021-03-28 Gerald Pfeifer * doc/analyzer.texi (Analyzer Internals): Update link to "A Memory Model for Static Analysis of C Programs". 2021-03-26 David Edelsohn * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function. * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align): Declare. * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New. (rs6000_special_round_type_align): Recursively check innermost first field. 2021-03-26 Jakub Jelinek PR debug/99334 * dwarf2out.h (struct dw_fde_node): Add rule18 member. * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp) assignment with drap_reg active, queue reg save for hfp with offset 0 and flush queued reg saves. When handling a push with rule18, defer queueing reg save for hfp and just assert the offset is 0. (scan_trace): Assert that fde->rule18 is false. 2021-03-26 Vladimir Makarov PR target/99766 * ira-costs.c (record_reg_classes): Put case with CT_RELAXED_MEMORY adjacent to one with CT_MEMORY. * ira.c (ira_setup_alts): Ditto. * lra-constraints.c (process_alt_operands): Ditto. * recog.c (asm_operand_ok): Ditto. * reload.c (find_reloads): Ditto. 2021-03-26 Richard Sandiford * config/aarch64/aarch64-protos.h (cpu_addrcost_table::post_modify_ld3_st3): New member variable. (cpu_addrcost_table::post_modify_ld4_st4): Likewise. * config/aarch64/aarch64.c (generic_addrcost_table): Update accordingly, using the same costs as for post_modify. (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise. (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table): (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise. (a64fx_addrcost_table): Likewise. (neoversev1_addrcost_table): New. (neoversev1_tunings): Use neoversev1_addrcost_table. (aarch64_address_cost): Use the new post_modify costs for CImode and XImode. 2021-03-26 Richard Sandiford * config/aarch64/aarch64.opt (-param=aarch64-loop-vect-issue-rate-niters=): New parameter. * doc/invoke.texi: Document it. * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info) (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info) (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info) (aarch64_vec_issue_info): New structures. (cpu_vector_cost): Write comments above the variables rather than to the side. (cpu_vector_cost::issue_info): New member variable. * config/aarch64/aarch64.c: Include gimple-pretty-print.h and tree-ssa-loop-niter.h. (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost) (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost) (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost) (thunderx3t110_vector_cost): Initialize issue_info to null. (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info) (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures. (neoversev1_vector_cost): Use them. (aarch64_vec_op_count, aarch64_sve_op_count): New structures. (aarch64_vector_costs::saw_sve_only_op): New member variable. (aarch64_vector_costs::num_vector_iterations): Likewise. (aarch64_vector_costs::scalar_ops): Likewise. (aarch64_vector_costs::advsimd_ops): Likewise. (aarch64_vector_costs::sve_ops): Likewise. (aarch64_vector_costs::seen_loads): Likewise. (aarch64_simd_vec_costs_for_flags): New function. (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations. Count the number of predicate operations required by SVE WHILE instructions. (aarch64_comparison_type, aarch64_multiply_add_p): New functions. (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise. (aarch64_count_ops): Likewise. (aarch64_add_stmt_cost): Record whether see an SVE operation that cannot currently be implementing using Advanced SIMD. Record issue information about the scalar, Advanced SIMD and (where relevant) SVE versions of a loop. (aarch64_vec_op_count::dump): New function. (aarch64_sve_op_count::dump): Likewise. (aarch64_estimate_min_cycles_per_iter): Likewise. (aarch64_adjust_body_cost): If issue information is available, try to compare the issue rates of the various loop implementations and increase or decrease the vector body cost accordingly. 2021-03-26 Richard Sandiford * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype): Assume a zero cost for induction phis. 2021-03-26 Richard Sandiford * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New function. (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and vector comparisons. 2021-03-26 Richard Sandiford * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype): New function. (aarch64_add_stmt_cost): Call it. 2021-03-26 Richard Sandiford * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput): New tuning parameter. * config/aarch64/aarch64.c (neoversev1_tunings): Use it. (aarch64_estimated_sve_vq): New function. (aarch64_vector_costs::analyzed_vinfo): New member variable. (aarch64_vector_costs::is_loop): Likewise. (aarch64_vector_costs::unrolled_advsimd_niters): Likewise. (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise. (aarch64_record_potential_advsimd_unrolling): New function. (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise. (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or aarch64_analyze_bb_vinfo on the first use of a costs structure. Detect whether we're vectorizing a loop for SVE that might be completely unrolled if it used Advanced SIMD instead. (aarch64_adjust_body_cost_for_latency): New function. (aarch64_finish_cost): Call it. 2021-03-26 Richard Sandiford * config/aarch64/aarch64.c (aarch64_vector_costs): New structure. (aarch64_init_cost): New function. (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of the default unsigned[3]. (aarch64_finish_cost, aarch64_destroy_cost_data): New functions. (TARGET_VECTORIZE_INIT_COST): Override. (TARGET_VECTORIZE_FINISH_COST): Likewise. (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise. 2021-03-26 Richard Sandiford * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost) (neoversev1_sve_vector_cost): New cost structures. (neoversev1_vector_cost): Likewise. (neoversev1_tunings): Use them. Enable use_new_vector_costs. 2021-03-26 Richard Sandiford * config/aarch64/aarch64-protos.h (sve_vec_cost::scatter_store_elt_cost): New member variable. * config/aarch64/aarch64.c (generic_sve_vector_cost): Update accordingly, taking the cost from the cost of a scalar_store. (a64fx_sve_vector_cost): Likewise. (aarch64_detect_vector_stmt_subtype): Detect scatter stores. 2021-03-26 Richard Sandiford * config/aarch64/aarch64-protos.h (simd_vec_cost::store_elt_extra_cost): New member variable. * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update accordingly, using the vec_to_scalar cost for the new field. (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise. (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise. (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise. (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost) (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost) (thunderx3t110_advsimd_vector_cost): Likewise. (aarch64_detect_vector_stmt_subtype): Detect single-element stores. 2021-03-26 Richard Sandiford * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost) (simd_vec_cost::ld3_st3_permute_cost): New member variables. (simd_vec_cost::ld4_st4_permute_cost): Likewise. * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update accordingly, using zero for the new costs. (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise. (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise. (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise. (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost) (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost) (thunderx3t110_advsimd_vector_cost): Likewise. (aarch64_ld234_st234_vectors): New function. (aarch64_adjust_stmt_cost): Likewise. (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using the new vector costs. 2021-03-26 Richard Sandiford * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a derived class of simd_vec_cost. Add information about CLAST[AB] and FADDA instructions. * config/aarch64/aarch64.c (generic_sve_vector_cost): Update accordingly, using the vec_to_scalar costs for the new fields. (a64fx_sve_vector_cost): Likewise. (aarch64_reduc_type): New function. (aarch64_sve_in_loop_reduction_latency): Likewise. (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter. Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions that occur in the loop body. (aarch64_add_stmt_cost): Update call accordingly. 2021-03-26 Richard Sandiford * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs): New tuning flag. * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments above the fields rather than to the right. (simd_vec_cost::reduc_i8_cost): New member variable. (simd_vec_cost::reduc_i16_cost): Likewise. (simd_vec_cost::reduc_i32_cost): Likewise. (simd_vec_cost::reduc_i64_cost): Likewise. (simd_vec_cost::reduc_f16_cost): Likewise. (simd_vec_cost::reduc_f32_cost): Likewise. (simd_vec_cost::reduc_f64_cost): Likewise. * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update accordingly, using the vec_to_scalar_cost for the new fields. (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise. (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise. (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise. (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost) (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost) (thunderx3t110_advsimd_vector_cost): Likewise. (aarch64_use_new_vector_costs_p): New function. (aarch64_simd_vec_costs): New function, split out from... (aarch64_builtin_vectorization_cost): ...here. (aarch64_is_reduction): New function. (aarch64_detect_vector_stmt_subtype): Likewise. (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if using the new vector costs. 2021-03-26 Iain Buclaw PR ipa/99466 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak TLS declarations as public. 2021-03-26 Iain Buclaw * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define. * config/arm/arm-d.c (IN_TARGET_CODE): Likewise. * config/i386/i386-d.c (IN_TARGET_CODE): Likewise. * config/mips/mips-d.c (IN_TARGET_CODE): Likewise. * config/pa/pa-d.c (IN_TARGET_CODE): Likewise. * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise. * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise. * config/s390/s390-d.c (IN_TARGET_CODE): Likewise. * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise. 2021-03-26 Iain Buclaw PR d/91595 * config.gcc (*-*-cygwin*): Add winnt-d.o (*-*-mingw*): Likewise. * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro. * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise. * config/i386/t-cygming: Add winnt-d.o. * config/i386/winnt-d.c: New file. 2021-03-26 Iain Buclaw * config/freebsd-d.c: Include memmodel.h. 2021-03-26 Iain Buclaw PR d/99691 * config.gcc (*-*-openbsd*): Add openbsd-d.o. * config/t-openbsd: Add openbsd-d.o. * config/openbsd-d.c: New file. 2021-03-25 Stam Markianos-Wright PR tree-optimization/96974 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert with graceful exit. 2021-03-25 H.J. Lu Revert: 2021-03-25 H.J. Lu PR target/98209 PR target/99744 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for always_inline in system headers. 2021-03-25 Kewen Lin * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost. 2021-03-25 Jakub Jelinek PR c++/99565 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD. * fold-const.c (operand_compare::operand_equal_p): Don't compare field offsets if OEP_ADDRESS_OF_SAME_FIELD. 2021-03-25 H.J. Lu PR target/98209 PR target/99744 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for always_inline in system headers. 2021-03-25 Richard Biener PR tree-optimization/99746 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark the scalar stmt as patterned. Instead set up required things manually. 2021-03-25 Xionghu Luo * config/rs6000/rs6000.c (power8_costs): Change l2 cache from 256 to 512. 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.