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2000-04-07rtl.def (COND_EXEC): New.Richard Henderson1-40/+66
* rtl.def (COND_EXEC): New. * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New. * tm.texi (MAX_CONDITIONAL_EXECUTE): Document. * genconfig.c (have_cond_arith_flag): Remove. (have_cond_exec_flag): New. (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE. (main): Print HAVE_conditional_execution. * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC. (sched_analyze_insn, print_pattern): Likewise. * reload.c (find_equiv_reg): Likewise. * rtlanal.c (reg_referenced_p): Likewise. (note_stores, dead_or_set_regno_p): Likewise. (reg_overlap_mentioned_p): Rewrite to use a switch. From-SVN: r32997
2000-03-25* Rework fields used to describe positions of bitfields andRichard Kenner1-29/+32
modify sizes to be unsigned and use HOST_WIDE_INT. * alias.c (reg_known_value_size): Now unsigned. * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position. (really_start_incremental_init): Use bitsize_zero_node. (push_init_level, pop_init_level, output_init_element): Likewise. Use bitsize_unit_node and bitsize_one_node. (output_pending_init_elements, process_init_element): Likewise. * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned. (make_extraction): Position and length HOST_WIDE_INT and unsigned HOST_WIDE_INT, respectively. (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT. (num_sign_bit_copies): Returns unsigned. BITWIDTH now unsigned; rework arithmetic. Remove recursive call from arg to MAX. (combine_instructions, init_reg_last_arrays): NREGS now unsigned. (setup_incoming_promotions, can_combine_p, try_combine, simplify_set): REGNO now unsigned. (set_nonzero_bit_and_sign_copies): NUM now unsigned. (find_split_point, expand_compound_operation, make_extraction): LEN now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT. (make_field_assignment): Likewise. (combine_simplify_rtx): Add cast. (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic. (force_to_mode): WIDTH now unsigned; add cast. (if_then_else_cond): SIZE now unsigned. (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned. (extended_count): Now returns unsigned. (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT. Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned. (simplify_comparison): MODE_WIDTH now unsigned. (update_table_tick): REGNO and ENDREGNO now unsigned; new var R. (mark_used_regs_combine): Likewise; rework arithmetic. (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned. (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise. (record_promoted_value): REGNO now unsigned. (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned. (get_last_value): REGNO now unsigned. (use_crosses_set_p): REGNO and ENDREGNO now unsigned. (reg_dead_regno, reg_dead_endregno): Now unsigned. (remove_death): Arg REGNO now unsigned. (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned. (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO now unsigned. * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned. * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned. (struct cse_reg_info): REGNO now unsigned. (cached_regno): Now unsigned. (REGNO_QTY_VALID_P): Add cast. (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned. (remove_invalid_regs): Likewise. (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned as are variables END and I. (get_cse_reg_info, insert): Likewise. (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned. (canon_hash): Likewise. (insert_regs, lookup_for_remove): REGNO now unsigned. (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned. New variable RN. * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0. * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast. * emit-rtl.c (subreg_realpart_p): Add cast. (operand_subword): Arg I is now unsigned as is var PARTWORDS. (operand_subword_force): Arg I is now unsigned. * except.c (eh_regs): Variable I is now unsigned. * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT. * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT; length is unsigned HOST_WIDE_INT; likewise for internal variables. (store_split_bit_field, extract_fixed_bit_field): Likewise. (extract_split_bit_field, store_bit_field, extract_bit_field): Likewise. * expr.c (store_constructor_fields, store_constructor, store_field): Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT. (expand_assignment, expand_expr, expand_expr_unaligned): Likewise. (do_jump): Likewise. (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces): MAX_SIZE is now unsigned. (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned. (emit_group_store): Likewise. (emit_move_insn): I now unsigned. (store_constructor): Use host_integerp, tree_low_cst, and bitsize_unit_node. (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT. Rework all calculations to use trees and new fields. * expr.h (promoted_input_arg): Regno now unsigned. (store_bit_field, extract_bit_field): Adjust types of pos and size. (mark_seen_cases): Arg is HOST_WIDE_INT. * flow.c (verify_wide_reg_1): REGNO now unsigned. * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT; precisions and alignments are unsigned. (optimize_bit_field_compare, fold_truthop): Likewise. (int_const_binop): Adjust threshold for size_int_type_wide call. (fold_convert): Likewise. (size_int_type_wide): Make table larger and fix thinko that only had half of table used. (all_ones_mask_p, fold): Precisions are unsigned. * function.c (put_reg_info_stack): REGNO is unsigned. (instantiate_decl): Size is HOST_WIDE_INT. (instantiate_virtual_regs): I is unsigned. (assign_parms): REGNO, REGNOI, and REGNOR are unsigned. (promoted_input_arg): REGNO is unsigned. * function.h (struct function): x_max_parm_reg is now unsigned. * gcse.c (max_gcse_regno): Now unsigned. (struct null_pointer_info): min_reg and max_reg now unsigned. (lookup_set, next_set): REGNO arg now unsigned. (compute_hash_table): REGNO and I now unsigned. (handle_avail_expr): regnum_for_replacing now unsigned. (cprop_insn): REGNO now unsigned. (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned. * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case. * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned. * hard-reg-set.h (reg_class_size): Now unsigned. * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO. * jump.c (mark_modified_reg): I now unsigned; add cast. (rtx_equal_for_thread_p): Add cast. * loop.c (max_reg_before_loop): Now unsigned. (struct_movable): REGNO now unsigned. (try_copy_prop): REGNO arg unsigned. (regs_match_p): XN and YN now unsigned. (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned. (strength_reduce): Likewise; NREGS also unsigned. (first_increment_giv, last_increment_giv unsigned): Now unsigned. * loop.h (struct iv_class): REGNO now unsigned. (max_reg_before_loop, first_increment_giv, last_increment_giv): Now unsigned. * machmode.h (mode_size, mode_unit_size): Now unsigned. (mode_for_size, smallest_mode_for_size): Pass size as unsigned. * optabs.c (expand_binop): I and NWORDS now unsigned. (expand_unop): I now unsigned. * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET. * real.c (significand_size): Now returns unsigned. * real.h (significand_size): Likewise. * regclass.c (reg_class_size): Now unsigned. (choose_hard_reg_mode): Both operands now unsigned. (record_reg_classes): REGNO and NR now unsigned. (reg_scan): NREGS now unsigned. (reg_scan_update): old_max_regno now unsigned. (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned. * reload.c (find_valid_class): BEST_SIZE now unsigned. (find_dummy_reload): REGNO, NWORDS, and I now unsigned. (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned. Likewise for variable R. (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned, as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R. (find_equiv_reg): Add casts. (regno_clobbered_p): Arg REGNO now unsigned. * reload.h (struct reload): NREGS now unsigned. (refers_to_regno_for_reload_p): Regno args are unsigned. (regno_clobbered_p): Likewise. * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned. (compute_use_by_pseudos): REGNO now unsigned. (find_reg): I and J now unsigned, new variable K, and change loop variables accordingly; THIS_NREGS now unsigned. (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned. (spill_hard_reg): REGNO arg now unsigned; add casts. (forget_old_reloads_1): REGNO, NR, and I now unsigned. (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned. (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO, END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned. (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned. (choose_reload_regs): MAX_GROUP_SIZE now unsigned. (emit_reload_insns): REGNO now unsigned. (reload_cse_move2add): Add cast. (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO and rework loop. * resource.c (mark_referenced_resources, mark_set_resources): New variable R; REGNO and LAST_REGNO now unsigned. (mark_target_live_regs): J and REGNO now unsigned. * rtl.c (mode_size, mode_unit_size): Now unsigned. * rtl.h (union rtunion_def): New field rtuint. (XCUINT): New macro. (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT. (operand_subword, operand_subword_force): Word number is unsigned. (choose_hard_reg_mode): Operands are unsigned. (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned. (find_regno_note, find_regno_fusage, replace_regs): Likewise. (regno_use_in, combine_instructions, remove_death): Likewise. (reg_scan, reg_scan_update): Likewise. (extended_count): Return is unsigned. * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I, INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO. (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned. (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned. (reg_reg_last_1): FIRS and LAST now unsigned. (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned. (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO now unsigned. (find_regno_note, regno_use_in): Arg REGNO now unsigned. (find_regno_fusage): Likewise; also var REGNOTE now unsigned. (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned. (replace_regs): Arg NREGS now unsigned. * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0. * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned. (simplify_binary_operation): Likewise. (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and THIS_LAST now unsigned. (cselib_record_set): Add cast. * ssa.c (ssa_max_reg_num): Now unsigned. (rename_block): REGNO now unsigned. * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT; sizes now unsigned. (all_cases_count): Just return -1 not -2. COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT. Rework tests to use trees whenever possible. Use host_integerp and tree_low_cst. (mark_seen_cases): COUNT arg now HOST_WIDE_INT; Likewise variable NEXT_NODE_OFFSET; XLO now unsigned. (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT. * stor-layout.c (mode_for_size): SIZE arg now unsigned. (smallest_mode_for_size): Likewise. (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT. KNOWN_ALIGN is now an alignment, so simplify code. Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type. (start_record_layout): Renamed from new_record_layout_info. Update to new fields. (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far): New functions. (place_union_field): Renamed from layout_union_field. Update to use new fields in rli. (place_field): Renamed from layout_field. Major rewrite to use new fields in rli; pass alignment to layout_decl. (finalize_record_size): Rework to use new fields in rli and handle union. (compute_record_mode): Rework to simplify and to use new DECL fields. (finalize_type_size): Make rounding more consistent. (finish_union_layout): Deleted. (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either. (layout_type, case RECORD_TYPE): Call new function names. (initialize_sizetypes): Set TYPE_IS_SIZETYPE. (set_sizetype): Set TYPE_IS_SIZETYPE earlier. (get_best_mode): UNIT is now unsigned; remove casts. * tree.c (bit_position): Compute from new fields. (byte_position, int_byte_position): New functions. (print_type_hash_statistics): Cast to remove warning. (build_range_type): Use host_integerp and tree_low_cst to try to hash. (build_index_type): Likewise; make subtype of sizetype. (build_index_2_type): Pass sizetype to build_range_type. (build_common_tree_nodes): Use size_int and bitsize_int to initialize nodes; add bitsize_{zero,one,unit}_node. * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK. (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise. (DECL_PACKED, DECL_BIT_FIELD): Likewise. (DECL_FIELD_BITPOS): Deleted. (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields. (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK. (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise. (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise. (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise. (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise. (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise. (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK. (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK. (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise. (DECL_ALIGN): Adjust to new field in union. (DECL_OFFSET_ALIGN): New field. (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK. (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK. (union tree_decl): Add struct for both aligns. (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}. (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added. (struct record_layout_info): Rework fields to have offset alignment and byte and bit position. (start_record_layout, place_field): Renamed from old names. (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls. (byte_position, int_byte_position): Likewise. (get_inner_reference): Change types of position and length. * unroll.c (unroll_loop): New variable R; use for some loops. MAX_LOCAL_REGNUM and MAXREGNUM now unsigned. (calculate_giv_inc): Arg REGNO now unsigned. (copy_loop_body): REGNO and SRC_REGNO now unsigned. * varasm.c (assemble_variable): Clean up handling of size using host_integerp and tree_low_cst. (decode_addr_const): Use byte, not bit, position. (output_constructor): bitpos and offsets are HOST_WIDE_INT; use tree_low_cst and int_bit_position. * objc/objc-act.c (build_ivar_list_initializer): Use byte_position. * ch/actions.c (check_missing_cases): BYTES_NEEDED is HOST_WIDE_INT. * ch/typeck.c (expand_constant_to_buffer): Use int_byte_position. (extract_constant_from_buffer): Likewise. * cp/class.c (build_vbase_pointer_fields): layout_field now place_field. (get_vfield_offset): Use byte_position. (set_rtti_entry): Set OFFSET to ssizetype zero. (get_binfo_offset_as_int): Deleted. (dfs_record_base_offsets): Use tree_low_cst. (dfs_search_base_offsets): Likewise. (layout_nonempty_base_or_field): Reflect changes in RLI format and call byte_position. (layout_empty_base): Convert offset to ssizetype. (build_base_field): use rli_size_unit_so_far. (dfs_propagate_binfo_offsets): Do computation in proper type. (layout_virtual_bases): Pass ssizetype to propagate_binfo_offsets. (layout_class_type): Reflect changes in RLI names and fields. (finish_struct_1): Set DECL_FIELD_OFFSET. * cp/dump.c (dequeue_and_dump): Call bit_position. * cp/expr.c (cplus_expand_constant): Use byte_position. * cp/rtti.c (expand_class_desc): Use bitsize_one_node. * cp/typeck.c (build_component_addr): Use byte_position and don't special case for zero offset. * f/com.c (ffecom_tree_canonize_ptr_): Use bitsize_zero_node. (ffecom_tree_canonize_ref_): Likewise. * java/class.c (make_field_value): Use byte_position. * java/expr.c (JAVA_ARRAY_LENGTH_OFFSET): Use byte_position. (java_array_data_offset): Likewise. * java/java-tree.h (MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC): Add case to bzero call. From-SVN: r32742
2000-03-17rtlanal.c (single_set): Reject if the parallel has anything except SET or ↵Richard Henderson1-9/+23
USE or CLOBBER. * rtlanal.c (single_set): Reject if the parallel has anything except SET or USE or CLOBBER. From-SVN: r32614
2000-02-26Fix copyrights.Jeff Law1-1/+2
From-SVN: r32179
2000-02-25* rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.John Wehle1-6/+8
From-SVN: r32163
2000-01-19rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs inside the MEM.Geoff Keating1-0/+6
* rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs inside the MEM. From-SVN: r31509
2000-01-17Update copyrightsKaveh Ghazi1-1/+1
From-SVN: r31465
2000-01-17reload.c: PROTO -> PARAMS.Kaveh R. Ghazi1-5/+5
* reload.c: PROTO -> PARAMS. * reload.h: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.h: Likewise. * rtl.c: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.h: Likewise. * sdbout.c: Likewise. * stack.h: Likewise. * stmt.c: Likewise. * system.h: Likewise. From-SVN: r31461
1999-12-27alias.c (nonlocal_reference_p): Add else for disjoint ifs.Christophe Jaillet1-7/+7
* alias.c (nonlocal_reference_p): Add else for disjoint ifs. * flow.c (find_use_as_address): Likewise. * function.c (fixup_var_refs_1): Likewise. (walk_fixup_memory_subreg, fixup_stack_1): Likewise. * jump.c (invert_exp, redirect_exp): Likewise. * loop.c (replace_call_address): Likewise. (count_nonfixed_reads): Likewise. * rtlanal.c (modified_between_p): Likewise. (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise. (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise. * unroll.c (remap_split_bivs): Likewise. From-SVN: r31103
1999-12-16expr.c (emit_move_insn_1): Only emit clobbers if one of the outputs is a SUBREG.David S. Miller1-7/+0
* expr.c (emit_move_insn_1): Only emit clobbers if one of the outputs is a SUBREG. * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th change. From-SVN: r30979
1999-12-15rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.David S. Miller1-0/+7
1999-12-15 David S. Miller <davem@redhat.com> * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT. From-SVN: r30956
1999-11-02Makefile.in (genattrtab): Don't use (HOST_RTLANAL).Catherine Moore1-108/+0
* Makefile.in (genattrtab): Don't use (HOST_RTLANAL). * rtl.h (rtx_equal_p): Move prototype. * rtl.c (rtx_equal_function_value_matters): Move from rtlanal.c (rtx_equal_p): Likewise. * rtlanal.c (rtx_equal_function_value_matters): Delete. (rtx_equal_p): Likewise. From-SVN: r30350
1999-10-31[multiple changes]Richard Kenner1-0/+1
Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR> * gcov.c (DIR_SEPARATOR): Provide default. (output_data): Add test for MS-DOS format absolute filename. (fancy_abort): Correct program name. (open_files): Open all files in binary mode. * libgcc2.c (__bb_exit_func): Likewise. * profile.c (init_branch_prob): Specify binary when opening files. * flags.h (flag_unwind_tables): New decl. * toplev.c (flag_unwind_table): New definition. (f_options): Add -funwind-tables. (decode_g_option): Clarify warning when unknown -g option is given. (rest_of_compilation): If inside an inlined external function, pretend we are just being declared. * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables. (dwarf2out_frame_finish): Likewise. Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com> * flow.c (propagate_block): When the last reference to a label before an ADDR_VEC is deleted because the reference is a dead store, delete the ADDR_VEC. Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt> * fold-const.c (merge_ranges): In not in0, but in1, handle upper bounds equal like subset case. Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com> * dbxout.c (dbxout_parms): Generate a second stabs line for parameters passed in a register but moved to the stack. Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr> * gcc.c (pass_exit_codes, greatest_status): New variables. (struct option_map): Add entry for "--pass-exit-codes". (execute): Update greatest_status if error. (display_help): Add documentation for -pass-exit-codes. (process_command): Handle -pass-exit-codes. (main): Look at pass_exit_codes and greatest_status on call to exit. Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * reload.c (find_reloads): Refine test for no input reload case to not includes reloads emitted after insn. * function.c (find_temp_slots_from_address): Handle sum involving a register that points to a temp slot. (update_temp_slot_address): Make recursive call if both old and new are PLUS with a common operand. * calls.c (expand_call): Mark temp slot for result as having address taken. * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case. * gcc.c (process_command): Add standard_exec_prefix with "GCC" component as well as "BINUTILS". * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS. * integrate.c (copy_rtx_and_substitute): Likewise. (expand_inline_function, integrate_parm_decls, integrate_decl_tree): All callers changed. * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise. * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use gdb extensions, write size of type; also be more consistent in using references when this is a subtype. * pa.md (extv, extzv, insv): Use define_expand to reject constant that is out of range. * loop.c (unknown_constant_address_altered): New variable. (prescan_loop): Initialize it. (note_addr_stored): Set it for RTX_UNCHANGING_P MEM. (invariant_p, case MEM): Remove handling for volatile and readony; check new variable if readonly. (check_dbra_loop): Chdeck unknown_constant_address_altered. * cse.c (canon_hash, case MEM): Do not record if BLKmode. (addr_affects_sp_p): Removed from note_mem_written and only define #ifdef AUTO_INC_DEC. * alpha.c (input_operand, case ADDRESSOF): Treat as REG. * regclass.c (record_reg_classes): Properly handle register move directions. * varasm.c (initializer_constant_valid_p, case MINUS_EXPR): Don't think valid if both operands are invalid. (struct constant_descriptor): New field RTL. (mark_const_hash_entry): Mark it. (record_constant{,_rtx}): Initialize it. (output_constant_def): Allocate RTL in permanent obstack and save in table. ({record,compare}_constant_1): Modes must match for CONSTRUCTOR of ARRAY_TYPE. * c-common.h (initializer_constant_valid_p): Delete decl from here. * output.h (initializer_constant_valid_p): Move decl to here. * c-common.c (initializer_constant_valid_p): Delete function from here. * varasm.c (initializer_constant_valid_p): Move function to here. * tree.h (STRIP_SIGN_NOPS): New macro. * fold-const.c (optimize_minmax_comparison): New function. (invert_truthvalue, case WITH_RECORD_EXPR): New case. (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS. (fold, case EQ_EXPR): Call optimize_minmax_comparison and add cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and widening conversions. (fold, case LE_EXPR): Rework changing unsigned to signed comparisons to look at size of mode, not precision of type; also add missing cases. (optimize_bit_field_compare, decode_field_reference): Don't try to optimize COMPONENT_REF of a PLACEHOLDER_EXPR. * dwarf2out.c (ctype.h): Include. (dwarf2out_set_demangle_name_func): New function. (size_of_line_info): Deleted. (output_line_info): Compute size of line info table from difference of labels. (base_type_die, add_name_attribute): Call demangle function, if any. (field_byte_offset): Use bits per word for variable length fields. (gen_array_type_die): Add array name. (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline. (dwarf2out_add_library_unit_info): New function. * explow.c (set_stack_check_libfunc): New function. (stack_check_libfunc): New static variable. (probe_stack_range): Allow front-end to set up a libfunc to call. * combine.c (simplify_comparison): When making comparison in wider mode, check for having commuted an AND and a SUBREG. (contains_muldiv): New function. (try_combine): Call it when dividing a PARALLEL. (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart. (simplify_comparison, case ASHIFTRT): Recognize sign-extension of a PLUS. (record_value_for_reg): If TEM is a binary operation with two CLOBBERs, use one of the CLOBBERs instead. (if_then_else_cond): If comparing against zero, just return thing being compared. * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x). Don't generate shifts and subtract if have conditional arithmetic. * rtl.h (delete_barrier): New declaration. * jump.c (jump_optimize): Set up to handle conditional call. In conditional arithmetic case, handle CALL_INSN followed by a BARRIER. (delete_barrier): New function. * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode. * recog.c (nonmemory_operand): Accept ADDRESSOF. * tree.c (build_type_attribute_variant): Push to obstack of ttype around type_hash_canon call. * expr.c (placeholder_list): Move decl to file scope. (expand_expr): Don't force access to volatile just because its address is taken. If ignoring reference operations, just expand the operands. (expand_expr, case COMPONENT_REF): Propagate EXPAND_CONST_ADDRESS to recursive call when expanding inner. Refine test for using bitfield operations vs pointer punning. (expand_expr, case CONVERT_EXPR): If converting to BLKmode UNION_TYPE from BLKmode, just return inner object. Use proper mode in store_field call. Properly set sizes of object to store and total size in store_field call for convert to union. (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in memory (like for ADDR_EXPR). Also, don't put constant in register if we'll want it in memory. (readonly_fields_p): New function. (expand_expr, case INDIRECT_REF): Call it if LHS. (expand_assignment): Handle a RESULT_DECL where DECL_RTL is a PARALLEL. (do_jump, case WITH_RECORD_EXPR): New case. (get_inner_reference): Always go inside a CONVERT_EXPR and NOP_EXPR if both modes are the same. (store_field): Use bitfield operations if size of bitsize is not same as size of RHS's type. Check for bitpos not a multiple of alignment in BLKmode case. Do block move in largest possible alignment. (store_constructor): Set BITSIZE to -1 for variable size and properly in case of array of BLKmode. (expand_expr_unaligned): New function. (do_compare_and_jump): Call it. * mips/iris5.h (SWITCHES_NEED_SPACES): New macro. * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES does not include 'o'. * function.c (instantiate_virtual_regs_1, case SET): Handle case where both SET_DEST and SET_SRC reference a virtual register. (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG. * integrate.c (expand_inline_function): Handle case of setting virtual stack vars register (from built in setjmp); when parameter lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early. (subst_constant): Add new parm, MEMONLY. (expand_inline_function, integrate_parm_decls): Pass new parm. (integrate_decl_tree): Likewise. (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P. (try_constants): Call subst_constants twice, with MEMONLY 0 and 1. (copy_rtx_and_substitute, case SET): Add explicit calls to copy_rtx_and_substitute for both sides. * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for constraints. (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for within INDEX_TYPE, instead of before. (fixup_gotos): Use f->target_rtl, not the next insn, since latter may be from a later fixup. (expand_value_return): Correctly convert VAL when promoting function return; support RETURN_REG being a PARALLEL. (expand_return): When checking for result in regs and having cleanup, consider PARALLEL in DECL_RTL as being in regs. From-SVN: r30299
1999-10-27rtl.h (note_stores): Add additional paramter.Mark Mitchell1-12/+15
* rtl.h (note_stores): Add additional paramter. * rtlanal.c (reg_set_p_1): Take additional paramter. (reg_set_last_1): Likewise. (reg_set_p): Adjust call to note_stores. (reg_set_last): Likewise. (note_stores): Pass data parameter to worker function. * alias.c (record_set): Take additional parameter. (init_alias_analysis): Pass it. * caller-save.c (mark_set_regs): Take additional parameter. (save_call_clobbered_regs): Pass NULL to note_stores. * combine.c (set_nonzero_bits_and_sign_copies): Take additional parameter. (record_dead_and_set_regs_1): Likewise. (reg_dead_at_p_1): Likewise. (combine_instructions): Adjust calls to note_stores. (try_combine): Likewise. (record_dead_insn): Remove. (record_dead_and_set_regs): Adjust calls to note_stores. (reg_dead_at_p): Likewise. * cse.c (invalidate_skipped_set): Take additional parameter. (cse_check_loop_start): Likewise. (cse_check_loop_start_value): Remove. (cse_set_around_loop): Adjust calls to note_stores. * flow.c (notice_stack_pointer_modification): Take additional parameter. Remove duplicate declaration. (record_volatile_insns): Adjust calls to note_stores. * gcse.c (record_set_info): Take additional parameter. (record_last_set_info): Likewise. (invalidate_nonnull_info): Likewise. (record_set_insn): Remove. (compute_sets): Adjust calls to note_stores. (last_set_insn): Remove. (compute_hash_table): Adjust calls to note_stores. (insert_insn_end_bb): Likewise. (delete_null_pointer_checks): Likewise. * global.c (mark_reg_store): Take additional parameter. (mark_reg_clobber): Likewise. (reg_becomes_live): Likewise. (global_conflicts): Adjust calls to note_stores. (build_insn_chain): Likewise. * integrate.c (note_modified_parmregs): Take additional parameter. (mark_stores): Likewise. Make it static. (save_for_inline_nocopy): Adjust calls to note_stores. (try_constants): Likewise. * integrate.h (mark_stores): Remove declaration. * jump.c (mark_modified_reg): Take additional parameter. (thread_jumps): Adjust calls to note_stores. * local-alloc.c (validate_equiv_mem_from_store): Take additional parameter. (no_equiv): Likewise. (reg_is_set): Likewise. (validate_equiv_mem): Adjust calls to note_stores. (update_equiv_regs): Likewise. (block_alloc): Likewise. * loop.c (note_set_pseudo_multiple_uses_retval): Remove. (note_addr_stored): Take additional parameter. (note_set_pseudo_multiple_uses): Likewise. (record_initial): Likewise. (prescan_loop): Adjust calls to note_stores. (strength_reduce): Likewise. (check_dbra_loop): Likewise. * regmove.c (flags_set_1): Take additional paramter. (mark_flags_life_zones): Adjust calls to note_stores. * reload1.c (mark_not_eliminable): Take additional parameter. (forget_old_reloads_1): Likewise. (reload_cse_invalidate_rtx): Likewise. (reload_cse_check_clobber): Likewise. (reload_combine_note_store): Likewise. (move2add_note_store): Likewise. (reload): Adjust calls to note_stores. (reload_as_needed): Likewise. (emit_reload_insns): Likewise. (reload_cse_regs_1): Likewise. (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx. (reload_combine): Adjust calls to note_stores. * resource.c (update_live_status): Take additional paramter. (mark_target_live_regs): Adjust calls to note_stores. * stupid.c (find_clobbered_regs): Take additional parameter. (stupid_life_analysis): Adjust calls to note_stores. From-SVN: r30221
1999-10-20basic-block.h (PROP_*): Move constants from ...Richard Henderson1-1/+4
* basic-block.h (PROP_*): Move constants from ... * flow.c: ... here. (compute_bb_for_insn): Free the array before reallocating. (update_life_info): New arg PROP_FLAGS; pass on to propagate_block. (allocate_reg_life_data): Reset all reg variables collected by propagate_block. (get_block_head_tail): Don't convert from bb to block. (get_bb_head_tail): New. Update all callers of get_block_head_tail. (find_insn_reg_weight): Take block not bb. (schedule_block): Don't set block num for moved insns. (schedule_region): Don't update_life_info or find_insn_reg_weight. (schedule_insns): Do it here instead. * combine.c (combine_instructions): Invoke compute_bb_for_insn before update_life_info. * recog.c (split_all_insns, peephole2_optimize): Update for new arg to update_life_info. * rtlanal.c (remove_note): Cope with NULL note. * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage if we did sched1. From-SVN: r30103
1999-09-19Fix typo in last changeMark Mitchell1-1/+10
From-SVN: r29510
1999-09-19rtl.h (insns_safe_to_move_p): New function.Mark Mitchell1-0/+70
* rtl.h (insns_safe_to_move_p): New function. * loop.c (find_and_verify_loops): Use it. * rtlanal.c (insns_safe_to_move_p): Define it. From-SVN: r29509
1999-09-03flow.c (propagate_block): Use XEXP not SET_DEST for a USE.Richard Henderson1-12/+10
* flow.c (propagate_block): Use XEXP not SET_DEST for a USE. (recompute_reg_usage): Likewise. * rtlanal.c (find_regno_fusage): Likewise. * rtl.c (rtl_check_failed_code1): New function. (rtl_check_failed_code2): New. * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args. (RTL_CHECKC1, RTL_CHECKC2): New. (XC*): New accessor macros. (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them. (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise. (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise. (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise. (TRAP_*, RANGE_INFO_*): Likewise. From-SVN: r29089
1999-08-20rtl.h (rtx_format): Constify a char*.Kaveh R. Ghazi1-20/+20
* rtl.h (rtx_format): Constify a char*. * rtl.c (rtx_format): Likewise. (copy_rtx, copy_most_rtx, read_rtx): Likewise. (init_rtl): Use accessor macro, not `rtx_format'. * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a char*. * caller-save.c (mark_referenced_regs): Likewise. * combine.c (subst, make_compound_operation, known_cond, gen_rtx_combine, update_table_tick, get_last_value_validate, use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise. * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p, refers_to_p, canon_reg, fold_rtx, cse_process_notes, count_reg_usage): Likewise. * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags): Likewise. * final.c (leaf_renumber_regs_insn): Likewise. * flow.c (mark_used_regs, find_use_as_address, dump_flow_info, dump_edge_info, count_reg_references): Likewise. * function.c (fixup_var_refs_1, walk_fixup_memory_subreg, fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1): Likewise. * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p, oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs, add_label_notes): Likewise. * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask, clear_struct_flag, count_sub_rtxs, count_alternatives, compares_alternatives_p, contained_in_p, walk_attr_value, write_expr_attr_cache): Likewise. * genconfig.c (walk_insn_part): Likewise. * genemit.c (max_operand_1, gen_exp): Likewise. * genextract.c (walk_rtx): Likewise. * genflags.c (num_operands): Likewise. * genoutput.c (scan_operands): Likewise. * genpeep.c (match_rtx): Likewise. * genrecog.c (add_to_sequence): Likewise. * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths): Likewise. * integrate.c (save_constants, copy_for_inline, copy_rtx_and_substitute, subst_constants, restore_constants): Likewise. * jump.c (mark_jump_label, invert_exp, redirect_exp, rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise. * local-alloc.c (contains_replace_regs, memref_referenced_p): Likewise. * loop.c (record_excess_regs, rtx_equal_for_loop_p, add_label_notes, replace_call_address, count_nonfixed_reads, invariant_p, find_single_use_in_loop, find_mem_givs, find_life_end, maybe_eliminate_biv_1, update_reg_last_use): Likewise. * print-rtl.c (reg_names, print_rtx): Likewise. * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise. * reg-stack.c (stack_regs_mentioned_p, record_label_references, record_reg_life_pat, swap_rtx_condition, goto_block_pat, print_blocks): Likewise. * regclass.c (fix_register, record_address_regs, reg_scan_mark_refs): Likewise. * regmove.c (stable_but_for_p): Likewise. * reload.c (loc_mentioned_in_p, operands_match_p, find_reloads_toplevsubst_reg_equivs, find_reloads_address_1, copy_replacements, refers_to_regno_for_reload_p, refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p, reload_when_needed_name, reg_class_names, debug_reload_to_stream): Likewise. * reload1.c (eliminate_regs, scan_paradoxical_subregs, delete_address_reloads_1, count_occurrences, reload_cse_mem_conflict_p, reload_combine_note_use, add_auto_inc_notes): Likewise. * resource.c (mark_referenced_resources, mark_set_resources): Likewise. * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p, reg_mentioned_p, regs_set_between_p, modified_between_p, modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p, rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p, may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs, jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise. * sched.c (sched_analyze_2, attach_deaths): Likewise. * stupid.c (stupid_mark_refs): Likewise. * unroll.c (remap_split_bivs): Likewise. * varasm.c (mark_constants): Likewise. * a29k/a29k.c (uses_local_reg_p): Likewise. * alpha/alpha.c (summarize_insn): Likewise. * arm/arm.c (symbol_mentioned_p, label_mentioned_p, eliminate_lr2ip): Likewise. * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise. * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx, reg_mentioned_in_mem): Likewise. * ns32k/ns32k.c (global_symbolic_reference_mentioned_p, symbolic_reference_mentioned_p): Likewise. * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise. * sh/sh.c (regs_used, mark_use): Likewise. * vax/vax.c (vax_rtx_cost): Likewise. From-SVN: r28784
1999-08-19rtl.def (NOTE): Change format to "iuu0n".Zack Weinberg1-0/+1
1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com> * rtl.def (NOTE): Change format to "iuu0n". (ADDR_DIFF_VEC): Change format to "eEee0". (ADDRESSOF): Change format to "eit". * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion. (RTVEC_ELT): Change to match. (XVECEXP): Use XVEC and RTVEC_ELT. (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER, ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT. (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES, CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST, TRAP_CONDITION, TRAP_CODE): Use XEXP. (INTVAL): Use XWINT. (ADDRESSOF_DECL): Use XTREE. (SET_ADDRESSOF_DECL): Delete. (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL, NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been ifdefed out since 2.6 at least. (gen_rtvec_vv): Delete prototype. * rtl.h (rtvec_alloc): rt->elem is now an array of rtx, not rtunion. (copy_most_rtx): Handle 't' format letter. * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx. (gen_rtvec_vv): Delete function. All callers changed to use gen_rtvec_v instead. * print-rtl.c (print_rtx): Move special casing of NOTEs to the '0' format letter. * function.c (gen_mem_addressof): Don't use SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF instead. * integrate.c (copy_rtx_and_substitute): Likewise. Copy 't' slots with XTREE. (subst_constants): Treat 't' slots like '[swi]' slots. * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots. * jump.c (rtx_equal_for_thread_p): Likewise. * rtlanal.c (rtx_equal_p): Likewise. * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes only four arguments. * gengenrtl.c (type_from_format): Provide correct types for 'b' and 't' slots. * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK): If a recent gcc is in use (always in stage2 and beyond), use statement expressions, so we don't make a function call unless the check fails. Evaluate arguments exactly once. (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1, TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1): Delete. (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that they evaluate their arguments exactly once, irrespective of the compiler in use. * tree.c [ENABLE_CHECKING]: Define whichever set of functions is used by the currently-enabled check macros. This is: (tree_check_failed, tree_class_check_failed): For gcc. (tree_check, tree_class_check, cst_or_constructor_check, expr_check): For other compilers. * gencheck.c: Do not define any *_CHECK1 macros. From-SVN: r28769
1999-06-23rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p for the parts of ↵J"orn Rennecke1-0/+5
an UNSPEC / UNSPEC_VOLATILE. * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p for the parts of an UNSPEC / UNSPEC_VOLATILE. From-SVN: r27720
1999-04-11flow.c (flow_delete_insn): If we delete a CODE_LABEL...Jeffrey A Law1-0/+30
* flow.c (flow_delete_insn): If we delete a CODE_LABEL, also remove it from the nonlocal_goto_handler_labels list. * jump.c (delete_insn): Likewise. (jump_optimize_1): Also recompute LABEL_NUSES when we are just marking labels. * rtl.h (remove_node_from_expr_list): Declare. * rtlanal.c (remove_node_from_expr_list): New function. From-SVN: r26361
1999-03-28Warning fixes:Kaveh R. Ghazi1-1/+1
* recog.h (insn_outfun, insn_operand_predicate): Add prototype arguments. * rtl.h (note_stores): Likewise. * rtlanal.c (note_stores): Likewise. From-SVN: r26045
1999-03-15rtlanal.c (auto_inc_p): New function.Michael Hayes1-0/+24
* rtlanal.c (auto_inc_p): New function. * rtl.h (auto_inc_p): Prototype it. * reload1.c (add_auto_inc_notes): New function. (reload): Strip REG_INC notes and call add_auto_inc_notes for each insn to restore them correctly. From-SVN: r25774
1999-02-25rtl.h (insn_first_p): Don't declare.J"orn Rennecke1-20/+0
* rtl.h (insn_first_p): Don't declare. * rtlanal.c (insn_first_p): Delete. * loop.c (loop_insn_first_p): Faster implementation. From-SVN: r25436
1999-02-22loop.c (libcall_other_regs): Make extern.Andrew MacLeod1-4/+6
* loop.c (libcall_other_regs): Make extern. * rtl.h (find_last_value): Add parameter to prototype. (libcall_other_reg): Add extern declaration. * rtlanal.c (find_last_value): Add another parameter to allow a definition using a hardware register to be found as well. From-SVN: r25378
1999-02-19rtlanal.c (insn_first_p): Fix return value for insn == reference.J"orn Rennecke1-2/+4
* rtlanal.c (insn_first_p): Fix return value for insn == reference. * loop.c (strength_reduce, check_final_value, check_dbra_loop): Use loop_insn_first_p. From-SVN: r25321
1999-02-10rtlanal.c (for_each_rtx): Fix declaration to conform to GNU coding standards.Mark Mitchell1-2/+2
* rtlanal.c (for_each_rtx): Fix declaration to conform to GNU coding standards. From-SVN: r25125
1999-02-02Missed from last commit.Richard Henderson1-0/+33
From-SVN: r24987
1999-01-28Happy new year.Joern Rennecke1-1/+1
From-SVN: r24896
1999-01-27rtl.h (insn_first_p): Declare.J"orn Rennecke1-0/+31
* rtl.h (insn_first_p): Declare. * rtlanal.c (insn_first_p): New function. * loop.h (varray.h): Include. (struct induction): Change combined_with to unsigned. New members derived, ix and last_use. (reg_iv_type, reg_iv_info): Now varray_type. All references changed. (REG_IV_TYPE, REG_IV_INFO): Define. (first_increment_giv, last_increment_giv): Declare. * loop.c (loop_number_loop_cont): New static variable. (loop_number_cont_dominator): Likewise. (reg_iv_type, reg_iv_info): Now varray_type. (first_increment_giv, last_increment_giv): New variables. (compute_luids, verify_dominator, find_life_end): New functions. (cmp_recombine_givs_stats, recombine_givs): Likewise. (loop_optimize): Allocate loop_number_loop_cont and loop_number_cont_dominator. Use compute_luids. (find_and_verify_loops): Initialize loop_number_loop_cont and loop_number_cont_dominator. (strength_reduce): Try to find bivs that can be expressed as givs of another biv, and to convert biv increments into givs. Call recombine_givs. Handle derived givs. (record_biv): New argument location. All callers changed. (record_giv): Initialize derived and last_use fields. (basic_induction_var): New argument location. All callers changed. (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv. Increment combined_with instead of setting to 1. * unroll.c (derived_regs): New static variable. (unroll_loop): Initialize it. Allocate local_regno according to max_reg_num. (copy_loop_body): Cope with derived givs. (find_splittable_givs): Check for Givs made from biv increments. Set derived_regs for givs. * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h . From-SVN: r24889
1998-12-22Fix obvious typo that produced compile time warning.Nick Clifton1-1/+1
From-SVN: r24397
1998-12-13rtl.h (multiple_sets): Fix prototype.Jeff Law1-1/+1
* rtl.h (multiple_sets): Fix prototype. * rtlanal.c (multiple_sets): Fix return type. From-SVN: r24304
1998-12-12rtlanal.c (multiple_sets): New function.Jeffrey A Law1-0/+32
* rtlanal.c (multiple_sets): New function. * rtl.h (multiple_sets): Declare it. * local-alloc.c (wipe_dead_reg): Use it. * global.c (global_conflicts): Likewise. Should fix the m68k bootstrap problems. From-SVN: r24283
1998-11-25rtlanal.c (regs_set_between_p): New function.Richard Henderson1-0/+46
* rtlanal.c (regs_set_between_p): New function. * rtl.h (regs_set_between_p): Prototype it. * jump.c (jump_optimize): Use it instead of modified_between_p in the Sep 2 change. From-SVN: r23888
1998-10-15flow.c (life_analysis_1): Do not clobber regs_ever_live after reload.Bernd Schmidt1-22/+13
* flow.c (life_analysis_1): Do not clobber regs_ever_live after reload. Never perform rescans of the insn chain after reload. (propagate_block): Do not delete insn or create new autoinc addressing modes after reload. * jump.c (jump_optimize): Unconditionally use the code that was previously conditional on PRESERVE_DEATH_INFO_REGNO_P. * reload1.c (reload): When reloading is finished, delete all REG_DEAD and REG_UNUSED notes. (emit_reload_insns): Delete all code that was conditional on PRESERVE_DEATH_INFO_REGNO_P. (no_longer_dead_regs): Delete variable. (reload_cse_delete_death_notes): Delete function. (reload_cse_no_longer_dead): Delete function. (reload_cse_regs_1): Delete all code to handle deletion of death notes. (reload_cse_noop_set_p): Likewise. (reload_cse_simplify_set): Likewise. (reload_cse_simplify_operands): Likewise. (reload_cse_move2add): Likewise. * reorg.c (used_spill_regs): Delete declaration. (max_label_num_after_reload): Delete declaration. (find_dead_or_set_registers): Don't assume that spill regs are dead at a CODE_LABEL. * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate, even after reload. * sched.c (sched_analyze_insn): Likewise. (update_flow_info): Likewise. * haifa-sched.c (sched_analyze_insn): Likewise. (update_flow_info): Likewise. * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation. * toplev.c (max_label_num_after_reload): Delete variable. (rest_of_compilation): Don't set max_label_num_after_reload. Call life_analysis after reload_cse_regs if optimizing. * config/gmicro/gmicro.h: Delete comment referring to PRESERVE_DEATH_INFO_REGNO_P. * config/i386/i386.h: Likewise. * config/m88k/m88k.h: Likewise. * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition. * config/sh/sh.h: Likewise. Accurate REG_DEAD notes after reload. Co-Authored-By: Jeffrey A Law <law@cygnus.com> From-SVN: r23120
1998-10-13rtl.h: Delete duplicate prototypes.Jeffrey A Law1-1/+2
* rtl.h: Delete duplicate prototypes. Add some missing prototypes. * rtlanal.c: (for_each_rtx): Formatting tweak. From-SVN: r23069
1998-09-11More multi-register structure return recognition fixes and:David S. Miller1-0/+12
* config/sparc/sparc.md (movdf_const_intreg_sp64): Disable. From-SVN: r22396
1998-09-11flow.c (mark_set_1): Recognize multi-register structure return values in ↵David S. Miller1-2/+19
CALL insns. * flow.c (mark_set_1): Recognize multi-register structure return values in CALL insns. (mark_used_regs): Likewise. (count_reg_sets_1): Likewise. (count_reg_references): Likewise. * rtlanal.c (note_stores): Likewise. From-SVN: r22395
1998-08-19* rtlanal.c (for_each_rtx): Check in the change mentioned below.Mark Mitchell1-0/+73
From-SVN: r21855
1998-07-28cse.c (cse_insn): Enable subsitution inside libcall only for REG, SUBREG, MEM.Vladimir N. Makarov1-1/+7
� * cse.c (cse_insn): Enable subsitution inside libcall only for REG, SUBREG, MEM. * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE. From-SVN: r21435
1998-07-07rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART.Jeffrey A Law1-3/+8
* rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART. If either argument is CONSTANT_P, then return zero. * reload.c (reg_overlap_mentioned_for_reload_p): Similarly. From-SVN: r21005
1998-05-13rtlanal.c (find_reg_note): Ignore notes that are not on on insns of class 'i'.Michael Meissner1-0/+8
* rtlanal.c (find_reg_note): Ignore notes that are not on on insns of class 'i'. (find_regno_note): Likewise. Co-Authored-By: Jeffrey A Law <law@cygnus.com> From-SVN: r19733
1998-05-13Warning fixes:Kaveh R. Ghazi1-1/+2
* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h. (c-lex.o): Depend on output.h. (c-common.o): Likewise. (stmt.o): Likewise. (calls.o): Likewise. (integrate.o): Depend on toplev.h. (regclass.o): Depend on output.h. (final.o): Depend on reload.h. * c-common.c: Include output.h. (check_format_info): Remove unused variable `integral_format'. * c-decl.c (print_lang_decl): Mark parameters `file', `node' and `indent' with ATTRIBUTE_UNUSED. (print_lang_type): Likewise. (maybe_build_cleanup): Likewise for parameter `decl'. (copy_lang_decl): Likewise for parameter `node'. * c-lang.c: Include c-tree.h, c-lex.h and toplev.h. (lang_print_xnode): Mark parameters `file', `node' and `indent' with ATTRIBUTE_UNUSED. (lookup_interface): Likewise for parameter `arg'. (is_class_name): Likewise. (maybe_objc_check_decl): Likewise for parameter `decl'. (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and `reflexive'. (maybe_objc_method_name): Likewise for parameter `decl'. (build_objc_string): Likewise for parameters `len' and `str'. * c-lex.c: Include output.h. * c-lex.h (position_after_white_space): Correct typo in prototype. * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else, c_expand_end_cond, init_iterators): Add prototypes. * caller-save.c (set_reg_live): Mark parameters `reg' and `setter' with ATTRIBUTE_UNUSED. * calls.c: Include output.h. * cccp.c (pipe_closed): Mark parameter `signo' with ATTRIBUTE_UNUSED. * combine.c: Move inclusion of expr.h to after insn-config.h. * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define as empty, rather define as ((void)0). * sparc.c (sparc_check_64): Add braces around ambiguous `else'. Add parentheses around assignment used as truth value. * cplus-dem.c (squangle_mop_up): Change return type to void. (internal_cplus_demangle): Remove unused parameter `options'. All callers changed. (cplus_demangle_opname): Remove function wide variable `int i' and replace with `size_t i' at each location where it is used. (cplus_demangle_opname): change type of `i' from int to size_t. * cppexp.c (right_shift): Mark parameter `pfile' with ATTRIBUTE_UNUSED. * cpphash.c (cpp_lookup): Likewise. (cpp_hash_cleanup): Likewise. * cpplib.c (parse_name): Add a prototype and make it static. (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED. (null_cleanup): Likewise for parameters `pbuf' and `pfile'. (macro_cleanup): Likewise for parameter `pfile'. (file_cleanup): Likewise. * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read, cpp_read_check_assertion, skip_rest_of_line): Add prototypes. * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data, __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED. * cse.c (cse_check_loop_start): Mark parameter `set' with ATTRIBUTE_UNUSED. * dbxout.c (flag_minimal_debug, have_used_extensions, source_label_number): Move inside macro wrapper check against defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO). * dwarf2out.c (gen_entry_point_die): Hide prototype and definition. * except.h (doing_eh): Provide prototype. * expr.c: Move inclusion of expr.h to after insn-config.h. * final.c: Include reload.h. (shorten_branches): Cast the first argument of bzero to char *. * fix-header.c (cpp_print_containing_files): Mark parameter `pfile' with ATTRIBUTE_UNUSED. (cpp_fatal): Likewise. * flow.c (find_basic_blocks_1): Cast the first argument of bzero to char *. * genattrtab.c (make_length_attrs): Change the type of variable `i' from int to size_t. (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED. (one_fn): Likewise. * genextract.c (main): When generating insn-extract.c, mark variable `junk' with ATTRIBUTE_UNUSED. * gengenrtl.c (gencode): When generating genrtl.c, cast the first argument of bzero to char*. * integrate.c: Include toplev.h. * libgcc2.c: Wrap `struct exception_table' and `find_exception_handler' in macro DWARF2_UNWIND_INFO. * objc/Make-lang.in (objc-act.o): Depend on toplev.h. * objc/objc-act.c: Include toplev.h. (lang_print_xnode): Mark parameters `file', `node' and `indent' with ATTRIBUTE_UNUSED. (finish_protocol): Likewise for parameter `protocol'. * output.h (declare_weak): Add prototype. (decode_reg_name): Don't wrap with TREE_CODE macro. (assemble_alias): Add prototype. * regclass.c: Include output.h. * reload.h (reloads_conflict): Add prototype. * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p, output_func_start_profiler): Add prototypes. * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with ATTRIBUTE_UNUSED. * scan-decls.c: Include scan.h. * scan.h (recognized_function, recognized_extern): Add prototypes. * stmt.c: Include output.h. * toplev.c (error_for_asm, warning_for_asm): Remove prototypes. (output_lang_identify): Hide prototype and definition. (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED. (pipe_closed): Likewise. * toplev.h (count_error, strip_off_ending, error_for_asm, warning_for_asm): Add prototypes. From-SVN: r19712
1998-04-16varasm.c (asm_output_bss): Add prototype.Jeff Law1-0/+2
* varasm.c (asm_output_bss): Add prototype. (asm_output_aligned_bss): Likewise. * unroll.c (verify_addresses): Add prototype. * toplev.c: Add many prototypes. Too many to mention here. * stmt.c (check_seenlabel): Add prototype. * rtlanal.c (reg_set_p_1): Add prototype. (reg_set_last_1): Likewise. * reorg.c (find_dead_or_set_registers): Add prototype. * regmove (try_auto_increment): Add prototype. * regstack.c (pop_stack): Add prototype. From-SVN: r19254
1998-04-04* Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12Jeff Law1-1/+1
for details. * haifa-sched.c: Mirror recent changes from gcc2. From-SVN: r18984
1998-03-20Major cutover to using system.h:Kaveh R. Ghazi1-1/+1
* Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o, c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o, caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o, dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o, expr.o, final.o, flow.o, function.o, getpwd.o, global.o, integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o, prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o, reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o, rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o, tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend on system.h. * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c, c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c, caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c, dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c, expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c, integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c, prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c, reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c, rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c, stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c, xcoffout.c: Include system.h. Organize include ordering so that stdarg/varargs comes before other system headers. Remove spurious casts of functions assured of a prototype in system.h. From-SVN: r18726
1998-02-13Rats. Forgot to change copyrights on the first commit.Robert Lipe1-1/+1
From-SVN: r17902
1998-02-13c-lang.c (finish_file): Bracket declaration of static_ctors, static_dtors.Robert Lipe1-1/+0
* c-lang.c (finish_file): Bracket declaration of static_ctors, static_dtors. * calls.c (expand_call): Bracket declaration of 'rtx_before_call', 'old_stack_arg_under_construction' (emit_library_call): Bracket declaration of 'upper_bound', 'lower_bound', 'i', 'reg_parm_stack_space' (emit_library_call_value): Likewise. (store_one_arg): * collect2.c: include <unistd.h> when appropriate. Bracket declaration of 'exportf' and 'full_real_ld_suffix'. * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'. * explow.c (plus_constant_for_output_wide): Remove unused variable 'code'. (memory_address): Remove unused variable 'orig_x'. * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'. (write_const_num_delay_slots): Remove unused variable 'i'. * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'. (gen_insn): Remove unused variable 'obstack_ptr'. * libgcc2.c (__bb_exit_func): Remove unused variables 'ret', 'j', 'tmp', 'i'. (__bb_exit_trace_func): Remove unused variable 'e'. * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs', 'funexp'. (expand_unop): Remove unused variable 'funexp'. (expand_complex_abs): Remove unused variable 'funexp'. (init_optabs): Bracket declaration of 'j'. (init_complex_libfuncs): Deleted. Dead static function. * profile.c (branch_prob): Remove unused variables 'insn', 'dest'. * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths' (reg_to_stack): 'initialized', 'before_function_beg' explictly type as ints instead of defaulting. (emit_swap_insn): Remove unused variable 'i2'. (compare_for_stack_reg): Remove unused variable 'src_note'. * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'. * sched.c (actual_hazard): Bracket declaration of 'this_cost'. * stmt.c (add_case_node): Add parens for assignment used as truth. (all_cases_count): Remove unused variable 'count_high'. (mark_seen_cases): Remove unused variable 'i'. (check_for_full_enumeration_handling): Remove unused variable 't'. Bracket declaration of 'all_values', 'l'. * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>. * varasm.c (assemble_string): Remove unused variable 'i'. (immed_double_const): Remove unused variable 'in_current_obstack'. (immed_real_const_1): Likewise. (output_constant_pool): Remove unreferenced label 'done'. (output_constant): Remove unused variable 'x'. * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not a string. * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used as truth. From-SVN: r17901
1998-01-28rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after reload completes.Mike Stump1-10/+21
* rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after reload completes. * genattrtab.c (reload_completed): Define. * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete comments. From-SVN: r17542