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2000-12-30alias.c (alias_sets_conflict_p): New function.Richard Kenner1-9/+13
* alias.c (alias_sets_conflict_p): New function. (mems_in_disjoint_alias_sets_p): Use it. (readonly_fields_p): Moved from expr.c; check for record type. (objects_must_conflict_p): New function. * calls.c (expand_call): Use assign_temp as much as possible, use readonly variant if assigned once, and don't set memory attributes. (emit_library_call_value_1, store_one_arg): Likewise. * integrate.c (expand_inline_function): Likewise. * stmt.c (expand_asm_operands, expand_return): Likewise. * expr.c (copy_blkmode_from_reg, store_constructor): Likewise. (store_field, save_noncopied_parts, expand_expr): Likewise. (expand_expr_unaligned): Likewise. (readonly_fields_p): Moved to alias.c. (safe_from_p): Rework handling of SAVE_EXPR. MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF. * function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE. (assign_stack_for_temp): Use objects_must_confict_p. Set all memory attributes from type, if specified. (mark_temp_slot): Mark TYPE field. * tree.h (alias_sets_conflict_p, readonly_fields_p): New decls. (objects_must_conflict_p): Likewise. * stmt.c (expand_decl): Don't use assign_stack_temp in error case. (add_case_node): No need to copy nodes anymore. From-SVN: r38559
2000-12-20rtl.h (REG_NON_LOCAL_GOTO): New.Richard Henderson1-1/+10
* rtl.h (REG_NON_LOCAL_GOTO): New. * rtl.c (reg_note_name): Update. * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note. * builtins.c (expand_builtin_longjmp): Likewise. * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do not emit an edge. From-SVN: r38408
2000-12-05* stmt.c (warn_if_unused_value): Move side effects test earlier.Richard Henderson1-4/+4
From-SVN: r38030
2000-11-17ggc.h: Delete ggc_add_string_root and ggc_mark_string.Zack Weinberg1-15/+1
* ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add digit_vector and digit_string. * stringpool.c (digit_vector): New. (ggc_alloc_string): Use digit_string. * stmt.c (digit_strings): Delete. (init_stmt): Do not initialize digit_strings. (expand_asm_operands): Use ggc.h's digit_string macro. * toplev.c (mark_file_stack): Delete. (compile_file): Don't call init_tree_codes. (main): No need to make the file stack a GC root. * tree.c (init_tree_codes): Delete. * tree.h (init_tree_codes): Delete. * c-lex.c: Don't include ggc.h. (mark_splay_tree_node, mark_splay_tree): Delete. (init_c_lex): No need to ggc_strdup string constant. Don't add file_info_tree to GGC roots. (cb_enter_file, cb_rename_file): No need to ggc_strdup ip->nominal_fname. * Makefile.in (c-lex.o): No longer depends on $(GGC_H). * dbxout.c (dbxout_init), dwarf2out.c (dwarf2out_line), ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees), varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once), xcoffout.c (xcoffout_source_file), i386.c (load_pic_register): Delete call(s) to ggc_add_string_root and/or ggc_mark_string. * except.c (create_rethrow_ref), profile.c (init_edge_profiler), toplev.c (compile_file), varasm.c (named_section, assemble_static_space, assemble_trampoline_template, output_constant_def, force_const_mem), i386.c (load_pic_register), ia64.c (ia64_encode_section_info), rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference, rs6000_emit_prologue, rs6000_emit_epilogue), rs6000.md (load_toc_aix_si, load_toc_aix_di): Change ggc_alloc_string (var, -1) to ggc_strdup (var). * profile.c (output_func_start_profiler), tree.c (make_node), i386.c (load_pic_register): No need to ggc_strdup string constant. cp: * lex.c (mark_impl_file_chain): Delete. (init_parse): Remove call to ggc_add_string_root. No need to ggc_strdup a string constant. Do not add impl_file_chain to GC roots. (handle_pragma_implementation): No need to ggc_strdup main_filename. f: * lex.c (ffelex_hash_): Change ggc_alloc_string (var, -1) to ggc_strdup (var). java: * parse.y (goal): Remove call to ggc_add_string_root. From-SVN: r37522
2000-11-17stringpool.c: New file.Zack Weinberg1-17/+25
* stringpool.c: New file. * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete. (ggc_alloc_string): Now in stringpool.o. * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string. * ggc.h: Delete prototype of ggc_add_string_root. #define ggc_add_string_root and ggc_mark_string to nothing. Prototype init_stringpool and stringpool_statistics. (ggc_alloc_string): Returns a const char *. * tree.c (hash_table, do_identifier_warnings): Delete. (init_obstacks): Don't initialize the identifier hash table. (get_identifier, maybe_get_identifier, start_identifier_warnings, set_identifier_size): Now in stringpool.c. * tree.h (struct tree_string): Constify pointer field. (approx_sqrt): Prototype. * Makefile.in (stringpool.o): Add rule, mention in OBJS. * toplev.c (approx_sqrt): New function. (compile_file): Call stringpool_statistics if mem_report is on. (main): Call init_stringpool. * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c (process_directive), c-typeck.c (constructor_asmspec, struct initializer_stack, start_init), except.c (create_rethrow_ref), stmt.c (digit_strings), toplev.c (decode_f_option), tree.c (built_in_filename), varasm,c (in_named_name, assemble_static_space, struct constant_descriptor, struct deferred_string, struct pool_constant, force_const_mem), i386.c (pic_label_name, global_offset_table_name), rs6000.c (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *. * c-common.c (combine_strings): Combine strings in scratch buffer, then pass to build_string. * optabs.c (init_libfuncs), profile.c (init_edge_profiler, output_func_start_profiler), stmt.c (init_stmt), alpha.c (alpha_need_linkage), arm.c (arm_encode_call_attribute), i386.c (load_pic_register), ia64.c (ia64_encode_section_info), rs6000.c (rs6000_encode_section_info): Create string in scratch buffer, then pass to ggc_alloc_string. * stmt.c (expand_asm_operands): If we must adjust the constraint strings, do so by creating a new one, not by modifying the old one in place. Constify some char *s. * config/pa/pa.c (hppa_encode_label): Drop unnecessary second argument. Create string in scratch buffer, then pass to ggc_alloc_string. * config/pa/pa-protos.h: Update prototype. * config/pa/elf.h, config/pa/pa.h, config/pa/som.h: hppa_encode_label takes only one argument. * c-parse.in (if_prefix): Find the filename and line number at $-2 and $-1 respectively. * diagnostic.c (error_recursion): Add missing newline, use fputs, translate string. cp: * lex.c (struct impl_files, internal_filename): Constify a char *. java: * jcf-parse.c (get_constant), parse.y (do_merge_string_cste): Create string in scratch buffer, then pass to build_string. From-SVN: r37514
2000-11-14stmt.c (warn_if_unused_value): Don't warn if the expression has side effects.Richard Henderson1-3/+4
* stmt.c (warn_if_unused_value): Don't warn if the expression has side effects. From-SVN: r37448
2000-11-11function.c (assign_parms): If TREE_ADDRESSABLE is set...Jason Merrill1-1/+4
* function.c (assign_parms): If TREE_ADDRESSABLE is set, try to give the parm a register and then call put_var_into_stack. * stmt.c (expand_decl): Likewise. cp/ * typeck.c (mark_addressable): Don't call put_var_into_stack. From-SVN: r37396
2000-11-07alias.c [...] (init_alias_analysis, [...]): Use memset () instead of bzero ().Joseph Myers1-1/+1
* alias.c (init_alias_analysis), calls.c (expand_call, emit_library_call_value_1), combine.c (init_reg_last_arrays), cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c (init_output_buffer, set_diagnostic_context), dwarf2out.c (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c (init_emit_once), fold-const.c (mul_double, div_and_round_double), function.c (assign_parms), gcse.c (compute_can_copy, alloc_gcse_mem, alloc_reg_set_mem, record_one_set, compute_hash_table, compute_set_hash_table, compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info, clear_units, schedule_block), integrate.c (initialize_for_inline, expand_inline_function), jump.c (thread_jumps), local-alloc.c (local_alloc), loop.c (combine_movables, count_loop_regs_set, load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree), regclass.c (init_reg_sets, init_reg_sets_1, regclass, record_reg_classes, allocate_reg_info), reload.c (get_secondary_mem, remove_address_replacements, find_reloads), reload1.c (reload, set_initial_label_offsets, finish_spills, reload_as_needed, choose_reload_regs_init, reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c (rename_registers), stmt.c (expand_end_case), unroll.c (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset () instead of bzero (). ch: * actions.c (check_missing_cases), typeck.c (build_chill_slice, build_chill_cast): Use memset () instead of bzero (). cp: * class.c (duplicate_tag_error, build_vtbl_initializer), decl.c (push_binding_level), error.c (cp_tree_printer), pt.c (process_partial_specialization, tsubst_template_arg_vector), search.c (lookup_member): Use memset () instead of bzero (). java: * expr.c (note_instructions), jcf-io.c (find_class), jcf-parse.c (init_outgoing_cpool), lex.c (java_init_lex): Use memset () instead of bzero (). From-SVN: r37303
2000-11-01* stmt.c (expand_start_null_loop): Set continue_label.Richard Henderson1-1/+1
From-SVN: r37192
2000-11-01stmt.c (expand_start_null_loop): New.Richard Henderson1-0/+37
* stmt.c (expand_start_null_loop): New. (expand_end_null_loop): New. * c-semantics.c (genrtl_do_stmt): Use them. * tree.h: Declare them. From-SVN: r37186
2000-10-13Remove obstacks.Mark Mitchell1-31/+28
* Makefile.in (ggc-callbacks.o): Remove target. (flow.o): Depend on GGC_H. * alias.c (init_alias_analysis): Remove ggc_p conditionals. (end_alias_analysis): Likewise. * basic-block.h (init_flow): New function. (allocate_reg_life_data): Declare. * bb-reorder.c (function_obstack): Replace with ... (flow_obstack): ... new variable. (fixup_reorder_chain): Use it. * c-decl.c (ggc_p): Remove. (caller-save.c): Don't call oballoc/obfree. * combine.c (struct undobuf): Remove storage. (try_combine): Don't call oballoc. (undo_all): Don't call obfree. * cse.c (insert): Use xmalloc, not oballoc. (cse_main): Adjust accordingly. * dwarf2out.c (save_rtx): Remove obstack code. (dwarf2out_init): Remove ggc_p conditionals. * emit-rtl.c (rtl_obstack): Remove. (gen_rtx_CONST_INT): Remove ggc_p conditionals. (make_insn_raw): Likewise. (emit_insn_before): Likewise. (emit_insn_after): Likewise. (emit_insn): Likewise. (gen_sequence): Likewise. (copy_insn_1): Remove handling of `b' RTL components. (init_emit_once): Remove ggc_p conditionals. * except.c (create_rethrow_ref): Don't fool with obstacks. (add_partial_entry): Likewise. (call_get_eh_context): Likewise. (begin_protect_partials): Likewise. (protect_with_terminate): Likewise. * explow.c (plus_constant_wide): Likewise. * expr.c (init_expr_once): Likewise. (emit_block_move): Likewise. (clear_storage): Likewise. (expand_expr): Likewise. * flow.c (function_obstack): Remove. (flow_obstack): New variable. (flow_firstobj): Likewise. (create_base_block): Use the flow_obstack. (split_block): Likewise. (split_edge): Likewise. (calculate_global_regs_live): Likewise. (allocate_bb_life_data): Make it static. Likewiwse. (init_flow): New function. (size_int_type_wide): Remove ggc_p conditionals. * function.c (push_function_context_to): Don't call save_tree_status. (pop_function_context_from): Or restore_tree_status. (assign_stack_local_1): Don't call push_obstacks. (find_fixup_replacement): Use xmalloc. (fixup_var_refs_insns): Free the storage. (insns_for_mem_walk): Don't mess with obstacks. (instantiate_decls): Likewise. (trampoline_address): Likewise. (expand_function_end): Likewise. * function.h (sturct function): Remove obstack-related variables. (save_tree_status): Don't declare. (restore_tree_status): Likewise. * gcse.c (compute_can_copy): Don't call oballoc/obfree. * genattrtab.c (operate_exp): Remove ggc_p conditionals. (simplify_cond): Likewise. (simplify_test_exp): Don't mess with obstacks. (optimize_attrs): Likewise. * gengenrtl.c (gendef): Don't include ggc_p conditionals. * ggc-callbacks.c (ggc_p): Remove. * ggc-none.c (ggc_p): Remove. * ggc.h (ggc_p): Don't declare. * integrate.c (save_for_inline): Don't mess with obstacks. (integrate_decl_tree): Likewise. (output_inline_function): Likewise. * lists.c (init_EXPR_INSN_LIST_cache): Likewise. * loop.c (temp_obstack): Remove. (rtl_obstack): Likewise. (init_loop): Don't mess with obstacks. (reg_address_cost): Free BIVs and GIVs. (check_insns_for_bivs): Use xmalloc, not oballoc. (find_mem_givs): Likewise. (record_biv): Likewise. (general_induction_var): Likewise. (product_cheap_p): Likewse. * optabs.c (init_one_libfunc): Remove ggc_p conditional. * print-tree.c (debug_tree): Don't use oballoc/obfree. (print_node): Likewise. * profile.c (output_func_start_profiler): Remove call to temporary_allocation. * reload1.c (eliminate_regs_in_insn): Don't mess with obstacks. * resource.c (mark_target_live_regs): Use xmalloc. (free_resource_info): Free the memory. * rtl.c (rtl_obstack): Remove. (rtvec_alloc): Don't mess with obstacks. (rtx_alloc): Likewise. (rtx_free): Remove. (copy_rtx): Don't handle `b' cases. (read_rtx): Use a local rtl_obstack. * rtl.h (oballoc): Remove. (obfree): Likewise. (pop_obstacks): Likewise. (push_obstacks): Likewise. (allocate_bb_life_data): Likewise. (allocate_reg_life_data): Likewise. (rtx_free): Likewise. * sdbout.c (sdbout_queue_anonymous_type): Use tree_cons, not saveable_tree_cons. * simplify-rtx.c (cselib_init): Don't mess with obstacks. * stmt.c (mark_block_nesting): Mark the label_chain. (epxand_label): Use ggc_alloc, not oballoc. (clear_last_expr): Don't mess with obstacks. (expand_decl_cleanup): Likewise. (expand_dcc_cleanup): Likewise. (expand_dhc_cleanup): Likewise. (expand_anon_union_decl): Likewise. (add_case_node): Use xmalloc, not oballoc. (free_case_nodes): New function. (expand_end_case): Call it. * stor-layout.c (layout_type): Don't mess with obstacks. (layout_type): Likewise. * toplev.c (wrapup_global_declarations): Likewise. (compile_file): Remove ggc_p conditionals. (rest_of_compilation): Call init_flow. Remove ggc_p conditionals. (decode_f_option): Remove ggc_p conditionals. * tree.c (function_maybepermanent_obstack): Remove. (maybepermanent_obstack): Likewise. (function_obstack): Likewise. (tmeporary_obstack): Likewise. (momentary_obstack): Likewise. (temp_decl_obstack): Likewise. (saveable_obstack): Likewise. (rtl_obstack): Likewise. (current_obstack): Likewise. (expression_obstack): Likewise. (struct obstack_stack): Likewise. (obstack_stack): Likewise. (obstack_stack_obstack): Likewise. (maybepermanent_firstobj): Likewise. (temporary_firstobj): Likewise. (momentary_firstobj): Likewise. (temp_decl_firstobj): Likewise. (momentary_function_firstobj): Likewise. (all_types_permanent): Likewise. (struct momentary_level): Likewise. (momentary_stack): Likewise. (init_obstacks): Remove initialization of removed obstacks. (save_tree_status): Remove. (restore_tree_status): Likewise. (temporary_allocation): Liekwise. (end_temporary_allocation): Liekwise. (resume_temporary_allocation): Likewise. (saveable_allocation): Likewise. (push_obstacks): Likewise. (push_obstacks_nochange): Likewise. (pop_obstacks): Likewise. (allocation_temporary_p): Likewise. (permanent_allocation): Likewise. (preserve_data): Likewise. (preserve_initializer): Likewise. (rtl_in_current_obstack): Likewise. (rtl_in_saveable_obstack): Likewise. (oballoc): Likewise. (obfree): Likewise. (savealloc): Likewise. (expralloc): Likewise. (print_obstack_name): Likewise. (debug_obstack): Likewise. (object_permanent_p): Likewise. (push_momentary): Likewise. (perserve_momentary): Likewise. (clear_momentary): Likewise. (pop_momentary): Likewise. (pop_momentary_nofree): Likewise. (suspend_momentary): Likewise. (resume_momentary): Likewise. (make_node): Don't set TREE_PERMANENT. (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK. Don't set TREE_PERMANENT. (get_identifier): Remove ggc_p conditionals. (build_string): Likewise. (make_tree_vec): Likewise. (build_decl_list): Remove. (build_expr_list): Likewise. (tree_cons): Remove ggc_p conditionals. (decl_tree_cons): Remove. (expr_tree_cons): Likewise. (perm_tree_cons): Likewise. (temp_tree_cons): Likewise. (saveable_tree_cons): Likewise. (build1): Remove ggc_p conditionals. (build_parse_node): Likewise. (build_type_attribute_variant): Don't mess with obstacks. (build_type_copy): Likewise. (type_hash_canon): Likewise. (build_pointer_type): Likewise. (build_reference_type): Likewise. (build_index_type): Likewise. (build_range_type): Likewise. (dump_tree_statistics): Don't print obstack information. * tree.h (struct tree_common): Remove permanent_flag. (TREE_PERMANENT): Remove. (TREE_SET_PERMANENT): Likewise. (TYPE_OBSTACK): Likewise. (struct tree_type): Remove obstack. (oballoc): Remove. (savealloc): Likewise. (build_decl_list): Likewise. (build_expr_list): Likewise. (perm_tree_cons): Likewise. (temp_tree_cons): Likewise. (saveable_tree_cons): Likewise. (decl_tree_cons): Likewise. (expr_tree_cons): Likewise. (suspend_momentary): Likewise. (allocation_temporary_p): Likewise. (resume_momentary): Likewise. (push_obstacks_nochange): Likewise. (permanent_allocation): Likewise. (push_momentary): Likewise. (clear_momentary): Likewise. (pop_momentary): Likewise. (end_temporary_allocation): Likewise. (pop_obstacks): Likewise. (push_obstacks): Likewise. (pop_momentary_nofree): LIkewise. (preserve_momentary): Likewise. (saveable_allocation): Likewise. (temporary_allocation): Likewise. (resume_temporary_allocation): Likewise. (perserve_initializer): Likewise. (debug_obstack): Likewise. (rtl_in_current_obstack): Likewise. (rtl_in_saveable_obstack): Likewise. (obfree): Likewise. * varasm.c (current_obstack): Remove. (saveable_obstack): Remove. (rtl_obstack): Remove. (immed_double_const): Don't mess with obstacks. (immed_real_cons): Likewise. (output_constant_def): Likewise. (init_varasm_status): Use xcalloc. (mark_pool_constant): Mark the pool constant itself. (free_varasm_status): Free memory. (decode_rtx_const): Call bzero directly, rather than expanding it inline. (record_rtx_const): Don't mess with obstacks. (force_const_mem): Likewise. * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p conditionals. (aof_pic_entry): Likewise. * config/ia64/ia64.c (ia64_encode_section_info): Likewise. * config/m32r/m32r.c (m32r_encode_section_info): Likewise. * config/pa/pa.c (saveable_obstack): Remove. (rtl_obstack): Likewise. (current_obstack): Likewise. (output_call): Don't mess with obstacks. (hppa_encode_label): Remove ggc_p conditionals. * config/romp/romp.c (get_symref): Don't mess with obstacks. * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional. (rs6000_encode_section_info): Likewise. * config/sh/sh.c (get_fpscr_rtx): Likewise. From-SVN: r36856
2000-09-22In gcc/ChangeLog:Geoff Keating1-2/+2
* stmt.c (expand_asm_operands): Allow # in constraints. In gcc/testsuite/ChangeLog: * gcc.c-torture/compile/20000922-1.c: New file. From-SVN: r36571
2000-09-19stmt.c (expand_expr_stmt): Only call warn_if_unused_value if the tree has ↵Richard Henderson1-9/+14
side effects. * stmt.c (expand_expr_stmt): Only call warn_if_unused_value if the tree has side effects. (warn_if_unused_value): Do not warn about void constructs. From-SVN: r36532
2000-09-17Bring back equal forms for libcallsBernd Schmidt1-1/+1
From-SVN: r36469
2000-09-17splay-tree.c (splay_tree_predecessor): Fix typo in comment.Mark Mitchell1-1/+4
* splay-tree.c (splay_tree_predecessor): Fix typo in comment. Convert the C front-end to use function-at-a-time mode. * c-common.h: Include splay-tree.h. (C_DECLARED_LABEL_FLAG): New macro. (struct language_function): Add x_scope_stmt_stack and x_function_name_declared_p. (RECHAIN_STMTS): Move definition. (lang_statment_code_p): Likewise. (lang_expand_stmt): Likewise. (lang_expand_decl_stmt): New variable. (lang_expand_function_end): Likewise. (current_scope_stmt_stack): New function. (add_decl_stmt): Likewise. (add_scope_stmt): Likewise. (mark_stmt_tree): Likewise. (struct c_lang_decl): New structure. (DECL_SAVED_TREE): Define. (c_mark_lang_decl): New function. (c_expand_start_cond): Change prototype. (c_finish_then): New function. (c_finish_else): Likewise. (current_function_name_declared): Remove. (set_current_function_name_declared): Likewise. (mark_c_language_function): Declare. (case_compare): Likewise. (c_add_case_label): Likewise. (c_expand_expr): Likewise. (c_safe_from_p): Likewise. * c-common.c (lang_expand_function_end): New variable. (struct if_elt): Add if_stmt. (c_expand_start_cond): Add the if-statement to the statement-tree, rather than generating RTL. (c_finish_then): New function. (c_expand_start_else): Don't generate RTL. (c_finish_else): New function. (c_expand_expr_stmt): Don't generate RTL. (statement_code_p): Add SCOPE_STMT. (case_compare): New function. (c_add_case_label): Likewise. (mark_stmt_tree): Likewise. (c_mark_lang_decl): Likewise. (mark_c_language_function): Likewise. (c_expand_expr): Likewise. (c_safe_from_p): Likewise. * c-decl.c (c_stmt_tree): New variable (c_scope_stmt_stack): Likewise. (c_function_name_declared_p): Likewise. (lang_expand_expr_stmt): Remove. (poplevel): Don't call output_inline_function for nested functions. (pushdecl): Don't set DECL_CONTEXT for a local declaration of an `extern' function. (redeclaration_error_message): Change means of computing whether or not a function is nested. (lookup_label): Don't call label_rtx. (init_decl_processing): Add more GC roots. (start_decl): Add DECL_STMTs to the statement-tree, rather than calling rest_of_decl_compilation. (finish_decl): Don't call expand_decl. (store_parm_decls): Begin the statement-tree, but don't generate RTL. (finish_function): Tie off the statement-tree. Call c_expand_body if appropriate. (c_expand_body): New function. (push_c_function_context): Save more information. (pop_c_function_contxt): Likewise. (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it. (lang_mark_tree): Mark it. (current_stmt_tree): Adjust. (current_scope_stmt_stack): New function. (do_case): Remove. (set_current_name_declared): Likewise. (c_begin_compound_stmt): Define. (c_expand_decl_stmt): Likewise. * c-lang.c: Include rtl.h and expr.h. (lang_init): Set more language-specific hooks. * c-lex.c: Include expr.h. * c-parse.in: Changes throughout to add statements to the statement-tree, rather than generating RTL after every statement. * c-semantics.c (lang_expand_decl_stmt): Define. (add_decl_stmt): New function. (add_scope_stmt): Likewise. (finish_stmt_tree): Tweak. (genrtl_expr_stmt): Likewise. (genrtl_decl_stmt): Handle local labels, and call lang_expand_decl_stmt if required. (genrtl_for_stmt): Fix line-number handling. (genrtl_case_label): Handle cleanups. (genrtl_asm_stmt): Don't call combine_strings. (genrtl_compound_stmt): Simplify. (expand_stmt): Handle SCOPE_STMTs. * c-tree.h (struct lang_decl): New structure. (C_DECLARED_LABEL_FLAG): Remove. (c_begin_compound_stmt): Declare. (c_expand_decl_stmt): Likewise. (c_expand_start_case): Rename to c_start_case. (c_finish_case): New function. * c-typeck.c (start_init): Tweak setting of constructor_incremental. (c_expand_asm_operands): Tweak error-handling. Add to the statement-tree. (c_expand_return): Add to the statement-tree. (c_expand_start_case): Rename to ... (c_start_case): ... this. (struct c_switch): New type. (switch_stack): New variable. (do_case): Simplify. (c_finish_case): New function. * dependence.c: Include expr.h. (enum dependence_type): Change spelling of enumerals. (check_node_dependence): Adjust. * expr.h (lang_safe_from_p): Declare. (safe_from_p): Likewise. * expr.c (lang_safe_from_p): New variable. (safe_from_p): Give it external linkage. Use lang_safe_from_p. * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type. * toplev.c (rest_of_decl_compilation): Robustify. * tree.c (contains_placeholder_p): Likewise. * Makefile.in: Update dependencies. * objc/objc-act.h: Adjust calculation of value for dummy_tree_code. * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h. (objc_expand_function_end): New function. (finish_method_def): Use it. (init_objc): Initialize more language-specific hooks. * objc/Make-lang.in: Update dependencies. * cp-tree.h (struct cp_language_function): Remove x_scope_stmt_stack and name_declared. (current_scope_stmt_stack): Remove. (function_name_declared_p): New macro. (struct lang_decl_flags): Use c_lang_decl as a base class. (context): Remove. (struct lang_decl): Replace saved_tree with context. (DECL_FRIEND_CONTEXT): Adjust accordingly. (SET_DECL_FRIEND_CONTEXT): Likewise. (DECL_VIRTUAL_CONTEXT): Likewise. (DECL_SAVED_TREE): Remove. (C_DECLARED_LABEL_FLAG): Likewise. (cplus_expand_expr_stmt): Don't declare. (add_decl_stmt): Likewise. (add_scope_stmt): Likewise. * decl.c (mark_stmt_tree): Remove. (case_compare): Likewise. (finish_case_label): Use c_add_case_label. (init_decl_processing): Set more language-specific hooks. (build_enumerator): Fix typo in comment. (cplus_expand_expr_stmt): Remove. (mark_lang_function): Use mark_c_language_function. (lang_mark_tree): Use c_mark_lang_decl. * decl2.c: Change order of inclusion. * except.c: Likewise. * expr.c (cplus_expand_expr): Remove handling of STMT_EXPR. Fall back on c_expand_expr. * friend.c: Include expr.h. * init.c: Change order of inclusion. * Makefile.in: Update dependencies. * lex.h (free_lang_decl_chain): Remove. * optimize.c (maybe_clone_body): Use function_name_declared_p. * pt.c (build_template_decl): Don't copy DECL_VIRTUAL_CONTEXT if it doesn't exist. (instantiate_decl): Use function_name_declared_p. * semantics.c (lang_expand_expr_stmt): Remove. (set_current_function_name_declared): Likewise. (current_function_name_declared): Likewise. (begin_compound_stmt): Use function_name_declared_p. (add_decl_stmt): Remove. (setup_vtbl_ptr): Use function_name_declared_p. (add_scope_stmt): Remove. (current_scope_stmt_stack): New function. (cp_expand_stmt): Don't handle SCOPE_STMTs. (expand_body): Use function_name_declared_p. * tree.c (cp_statement_code_p): Don't include SCOPE_STMT. * typeck.c: Change order of includes. (convert_sequence): Remove. From-SVN: r36464
2000-09-10c-common.h (add_stmt): Change prototype.Mark Mitchell1-26/+22
* c-common.h (add_stmt): Change prototype. (RECHAIN_STMTS): New macro. (CASE_LABEL_DECL): Likewise. (genrtl_case_label): Change prototype. (c_expand_start_case): Remove prototype. (build_case_label): Change prototype. (decl_constant_value): Declare. * c-common.c (check_case_value): Handle C++'s extensions to C semantics. * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL field. * c-parse.in (stmt): Adjust handling of return statements and case laels. * c-semantics.c (add_stmt): Return the new statement. (genrtl_return_stmt): Take the RETURN_STMT as input, not the returned expression. Directly generate RTL, rather than calling c_expand_return. (genrtl_switch_stmt): Don't call c_expand_start_case. (build_case_label): Take the LABEL_DECL as input, too. (genrtl_case_label): Just call add_case_node. (expand_stmt): Adjust calls to genrtl_return_stmt and genrtl_case_label. * c-tree.h (c_expand_start_case): Declare. * c-typeck.c (decl_constant_value): Give it external linkage. (c_expand_return): Don't call expand_return or expand_null_return; use genrtl_return_stmt instead. * stmt.c (struct nesting): Remove num_ranges field. (add_case_node): Give it external linkage. (expand_start_case): Don't set num_ranges. (expand_start_case_dummy): Don't clear it. (pushcase): Rely on add_case_node to handle `default' labels. (add_case_node): Handle `default' labels. * tree.c (tree_int_cst_compare): New function. * tree.h (tree_int_cst_compare): Declare. (add_case_node): Likewise. * cp-tree.h (push_switch): Change prototype. (check_cp_case_value): Remove declaration. (decl_constant_value): Likewise. * decl.c (struct cp_switch): Add switch_stmt and cases. (case_compare): New function. (push_switch): Set switch_stmt. Initialize cases. (pop_switch): Clean up cases. (define_case_label): Rename to ... (finish_case_label): ... this. Do semantic analysis for case labels here. (start_function): Correct comment. * decl2.c (check_cp_case_value): Remove. * expr.c (do_case): Remove. * pt.c (tsubst_expr): Adjust call to finish_case_label. * semantics.c (genrtl_do_poplevel): Remove declaration. (RECHAIN_STMTS): Remove. (finish_break_stmt): Use build_break_stmt. (finish_continue_stmt): Use build_continue_stmt. (finish_switch_cond): Adjust condition here, rater than in c_expand_start_case. (finish_case_label): Remove. * typeck.c (c_expand_return): Remove. (c_expand_start_case): Likewise. From-SVN: r36305
2000-09-02rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.Alexandre Oliva1-8/+12
* rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro. * gcse.c (hash_string_1): New function. (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number. (expr_equiv_p) <ASM_OPERANDS>: Likewise. * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS. (canon_hash_string): New function. (canon_hash) <ASM_OPERANDS>: Disregard filename and line number. (exp_equiv_p) <ASM_OPERANDS>: Likewise. (fold_rtx): Use ASM_OPERANDS accessor macros. * emit-rtl.c (copy_insn_1): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. * stmt.c (expand_asm_operands): Likewise. Give an ASM_OPERANDS rtx the mode of the output reg being set from it. From-SVN: r36110
2000-09-01stmt.c (expand_asm_operands): Twiddle generating_concat_p so that CONCATs ↵Geoff Keating1-1/+17
are not generated for ASMs. * stmt.c (expand_asm_operands): Twiddle generating_concat_p so that CONCATs are not generated for ASMs. * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when not generating_concat_p. * function.c (pop_function_context_from): Reset generating_concat_p. (prepare_function_start): Likewise. * rtl.c (generating_concat_p): Define. * rtl.h (generating_concat_p): Declare. * toplev.c (rest_of_compilation): No CONCATs after RTL generation. From-SVN: r36088
2000-08-29reload.c: Fix formatting.Kazu Hirata1-106/+105
* reload.c: Fix formatting. * stmt.c: Fix formatting. From-SVN: r36051
2000-08-28local-alloc.c (requires_inout): Don't use reserved range for ↵Richard Henderson1-9/+42
EXTRA_CONSTRAINTS... * local-alloc.c (requires_inout): Don't use reserved range for EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER. * recog.c (asm_operand_ok): Likewise. (preprocess_constraints, constrain_operands): Likewise. * regclass.c (record_reg_classes): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (maybe_fix_stack_asms): Likewise. (reload_cse_simplify_operands): Likewise. * stmt.c (expand_asm_operands): Likewise. * md.texi: Update constraints documentation. * tm.texi (EXTRA_CONSTRAINT): Update. From-SVN: r36023
2000-08-24stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.Richard Henderson1-8/+9
* stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X. * config/ia64/ia64-protos.h: Update. * config/ia64/ia64.c (gr_register_operand): New. (fr_register_operand, grfr_register_operand): New. (gr_nonimmediate_operand, grfr_nonimmediate_operand): New. (grfr_reg_or_8bit_operand): New. (gr_reg_or_0_operand): Rename from reg_or_0_operand and use gr_register_operand. (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise. (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise. (gr_reg_or_8bit_and_adjusted_operand): Likewise. (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise. (fr_reg_or_fp01_operand): Likewise. (not_postinc_memory_operand): New. (ia64_split_timode): Remove unused variables. (rtx_needs_barrier): Check arguments to cmpxchg. (builtin_description): Remove. (bdesc_2argsi, bdesc_2argdi): Remove. (ia64_init_builtins): Declare all builtins directly. (ia64_expand_fetch_and_op): Rewrite to be called from ia64_expand_builtin directly. Use expand_binop and co. (ia64_expand_op_and_fetch): Likewise. (ia64_expand_compare_and_swap): Likewise. (ia64_expand_binop_builtin): Remove. (ia64_expand_lock_test_and_set): New. (ia64_expand_lock_release): New. (ia64_expand_builtin): Use them. * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New. (EXTRA_CONSTRAINT): Use it. (PREDICATE_CODES): Update. * config/ia64/ia64.md (*): Use gr_register_operand and co. (mf): Indicate that we set memory as well as use it. (fetchadd_acq_si): Show memory being modified as well. (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise. (val_compare_and_swap_si, val_compare_and_swap_di): Remove. (lock_test_and_set_si, lock_test_and_set_di): Remove. (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove. (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove. (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove. (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove. (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove. (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove. (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove. (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove. * config/ia64/ia64intrin.h (*): Cast result to the appropriate return type. Pretty print definitions. From-SVN: r35956
2000-08-24optabs.c (init_optabs): Initialize fixtab...Greg McGary1-2/+2
* optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab, and extendtab within their proper array boundaries. * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds for the entire array. * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE. * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise. * config/avr/avr.c (order_regs_for_local_alloc): Likewise. * config/fr30/fr30.c (fr30_print_operand): Likewise. * config/i386/dgux.c (output_options): Likewise. * config/i386/dgux.h (ASM_FILE_START): Likewise. * config/m88k/m88k.c (output_options): Likewise. * config/m88k/m88k.h (ASM_FILE_START): Likewise. * config/mcore/mcore.c (mcore_output_inline_const_forced, layout_mcore_frame, handle_structs_in_regs): Likewise. * config/mips/mips.c (output_block_move): Likewise. * config/rs6000/rs6000.c (rs6000_override_options, rs6000_file_start): Likewise. * config/sparc/sparc.c (sparc_add_gc_roots): Likewise. * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise. * fixinc/fixtests.c (TEST_TABLE_CT): Likewise. * builtins.c (expand_builtin_setjmp): Likewise. * expr.c (safe_from_p): Likewise. * flow.c (life_analysis): Likewise. * fold-const.c (size_int_type_wide): Likewise. * gcc.c (translate_options, init_spec, set_spec, main): Likewise. * genattrtab.c (make_length_attrs): Likewise. * genopinit.c (gen_insn): Likewise. * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise. * global.c (global_alloc): Likewise. * local-alloc.c (find_free_reg): Likewise. * mips-tdump.c (print_symbol): Likewise. * mips-tfile.c (parse_def, parse_input): Likewise. * reload1.c (NUM_ELIMINABLE_REGS): Likewise. * stmt.c (expand_nl_goto_receiver): Likewise. * stor-layout.c (set_sizetype): Likewise. * varasm.c (decode_reg_name): Likewise. * toplev.c (decode_f_option, decode_W_option, set_target_switch, print_switch_values): Likewise. (NUM_ELEM): Remove macro. (display_help, main): s/NUM_ELEM/ARRAY_SIZE/ From-SVN: r35949
2000-08-22stmt.c (expand_goto_internal, [...]): Only check ↵Richard Kenner1-4/+8
TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE. * stmt.c (expand_goto_internal, fixup_gotos): Only check TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE. From-SVN: r35865
2000-08-15calls.c (ECF_SP_DEPRESSED): New macro.Richard Kenner1-10/+32
* calls.c (ECF_SP_DEPRESSED): New macro. (calls_function_1): Treat calling sp-depressed function as alloca. (emit_call_1): Don't adjust SP if calling sp-depressed function. (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED. If sp-depressed, ensure block saves and restores SP. * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE for INTEGER_TYPE. * function.c (keep_stack_depressed): New function. (thread_prologue_and_epilogue_insns): Call it. * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED to print DECL_OFFSET_ALIGN. Print no-force-blk and transparent-union flags properly. * stmt.c (expand_goto_internal): Don't restore stack if last block and function returns with sp depressed. (fixup_gotos): Likewise. (save_stack_pointer): New function, from code in expand_decl. (expand_decl): Call new function. * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK. (TYPE_RETURNS_STACK_DEPRESSED): New macro. (save_stack_pointer): New declaration. From-SVN: r35734
2000-08-12sibcall.c (uses_addressof): Accept both addressof and ↵Richard Henderson1-79/+0
current_function_internal_arg_pointer inside a mem. * sibcall.c (uses_addressof): Accept both addressof and current_function_internal_arg_pointer inside a mem. (optimize_sibling_and_tail_recursive_call): Fail tail recursion if current_function_uses_addressof. * stmt.c (expand_return): Kill tail recursion and HAVE_return optimizations. From-SVN: r35657
2000-08-06stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for ↵Richard Henderson1-31/+22
HAVE_nonlocal_goto as well. * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for HAVE_nonlocal_goto as well. * config/i960/i960.md (nonlocal_goto): Don't do it here. * config/pj/pj.md (nonlocal_goto): Likewise. From-SVN: r35521
2000-06-24stmt.c (expand_decl_cleanup): Emit a dummy insn after ↵Jakub Jelinek1-0/+7
last_unconditional_cleanup. * stmt.c (expand_decl_cleanup): Emit a dummy insn after last_unconditional_cleanup. From-SVN: r34681
2000-06-14tree.h (TYPE_USER_ALIGN, [...]): Define.Jakub Jelinek1-0/+3
* tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define. (struct tree_type, struct tree_decl): Add user_align member. * stor-layout.c (layout_decl): Set DECL_USER_ALIGN. (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined and DECL_USER_ALIGN 0, cap alignment to this value. (place_field): Likewise. (finalize_type_size): Set TYPE_USER_ALIGN. (layout_type): Likewise. (initialize_sizetypes): Likewise. * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp. DECL_USER_ALIGN to 1. * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN. (xfer_tag): Set TYPE_USER_ALIGN. (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN. (finish_enum): Likewise. * stmt.c (expand_decl): Set DECL_USER_ALIGN. (expand_anon_union_decl): Likewise. * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN. (build_index_type): Set TYPE_USER_ALIGN. (build_range_type): Likewise. (build_common_tree_nodes_2): Likewise. * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning. ch/: * decl.c (init_decl_processing): Set TYPE_USER_ALIGN. (layout_enum): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN. * typeck.c (layout_chill_range_type): Set TYPE_USER_ALIGN. (apply_chill_field_layout): Set DECL_USER_ALIGN. (layout_chill_struct_type): Set TYPE_USER_ALIGN. cp/: * class.c (build_secondary_vtable): Set DECL_USER_ALIGN. (check_bitfield_decl, check_field_decl): Likewise. (build_vtbl_or_vbase_field, build_base_field): Likewise. (layout_class_type): Set DECL_USER_ALIGN resp. CLASSTYPE_USER_ALIGN. * decl.c (record_unknown_type): Set TYPE_USER_ALIGN. (xfer_tag, finish_enum): Likewise. * decl2.c (finish_builtin_type): Likewise. * init.c (init_init_processing): Likewise. * pt.c (instantiate_class_template): Likewise. * rtti.c (get_tinfo_decl, synthesize_tinfo_fn): Set DECL_USER_ALIGN. * cp-tree.h (struct lang_type): Add user_align member. (CLASSTYPE_USER_ALIGN): Define. f/: * com.c (ffecom_transform_common_): Set DECL_USER_ALIGN. (ffecom_transform_equiv_, ffecom_decl_field): Likewise. (ffecom_init_0): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN. (duplicate_decls): Set DECL_USER_ALIGN. java/: * typeck.c (build_java_array_type): Set TYPE_USER_ALIGN. * parse.y (java_complete_class): Set DECL_USER_ALIGN. * parse.c: Rebuilt. From-SVN: r34541
2000-06-09ggc-none.c, [...] (ggc_alloc_obj): Rename it ggc_alloc, drop second ↵Zack Weinberg1-1/+1
argument, never clear returned memory. toplevel: * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename it ggc_alloc, drop second argument, never clear returned memory. * ggc-common.c (ggc_alloc_string): Use ggc_alloc. (ggc_alloc_cleared): New. * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not ggc_alloc_obj. Remove ggc_alloc macro. (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc. * rtl.c (rtvec_alloc): Clear the vector always. (rtx_alloc): Clear the first word always. Remove dirty obstack tricks (this routine is no longer a bottleneck). * tree.c (make_node): Clear the new node always. (make_tree_vec): Likewise. (tree_cons): Clear the common structure always. (build1): Likewise; also, clear TREE_COMPLEXITY. * gengenrtl.c: Use puts wherever possible. Remove extra newlines. (gendef): Clear the first word of an RTX in the generator function, irrespective of ggc_p. Initialize '0' slots to NULL. (genlegend): Don't generate obstack_alloc_rtx routine, just a thin wrapper macro around obstack_alloc. * stmt.c (expand_fixup): Use ggc_alloc. * c-typeck.c (add_pending_init): Use ggc_alloc. * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem). * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to const0_rtx when it is created. (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if we are not in a function. * tree.c (tree_class_check_failed): Make second arg an int. * tree.h: Update prototype. cp: * call.c (add_candidate): Use ggc_alloc_cleared. * decl.c (lookup_label): Likewise. * lex.c (retrofit_lang_decl): Likewise. From-SVN: r34478
2000-06-09timevar.def: Add TV_EXPAND.Jason Merrill1-1/+3
* timevar.def: Add TV_EXPAND. * timevar.c (timevar_print): Update timing information. * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining. * stmt.c (expand_return): Check for error_mark_node. cp/: * semantics.c (expand_body): Push to TV_EXPAND. * optimize.c (optimize_function): Push to TV_INTEGRATION. * decl.c (start_function): Always call announce_function. * tinfo2.cc: Just declare abort. From-SVN: r34470
2000-06-05explow.c (maybe_set_unchanging): New function, broken out from...Jason Merrill1-3/+2
* explow.c (maybe_set_unchanging): New function, broken out from... (set_mem_attributes): Here. * expr.h: Declare it. * stmt.c (expand_decl): Call it. From-SVN: r34421
2000-06-05tree.h (VOID_TYPE_P): New macro.Nathan Sidwell1-4/+4
* tree.h (VOID_TYPE_P): New macro. (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P. * c-decl.c (grokdeclarator): Use VOID_TYPE_P. (get_parm_info): Likewise. (store_parm_decls): Likewise. (combine_parm_decls): Likewise. (finish_function): Likewise. * c-typeck.c (build_function_call): Likewise. (build_binary_op): Likewise. (build_conditional_expr): Likewise. (internal_build_compound_expr): Likewise. (convert_for_assignment): Likewise. * stmt.c (expend_expr_stmt): Likewise. (warn_if_unused_value): Likewise. (expand_return): Likewise. * c-parse.in (primary): Likewise. * c-parse.y, c-parse.c, c-parse.h: Regenerate. * objc/objc-parse.y, objc/objc-parse.c: Regenerate. From-SVN: r34402
2000-05-31Makefile.in (c-decl.o): Depend on rtl.h and expr.h.Richard Kenner1-27/+5
* Makefile.in (c-decl.o): Depend on rtl.h and expr.h. * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT. (REG_BASE_VALUE): Remove unneeded cast to unsigned. (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT. (find_base_decl): New function, from c_find_base_decl in c-common.c. (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT. (get_alias_set): Likewise. Major rework to do more things and allow language-specific code to just handle special-cases. (record_alias_subset): Args are HOST_WIDE_INT. (record_component_alias): Local vars are HOST_WIDE_INT. Don't handle COMPLEX_EXPR. (get_varargs_alias_set): Moved from builtins.c. (get_frame_alias_set): New function. * builtins.c (expand_builtin_return_address): Use frame alias set. (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set for setjmp buffer. (get_memory_rtx): Rework to use set_mem_attributes. (get_varargs_alias_set): Deleted from here. * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT. (c_find_base_decl): Deleted from here. (c_get_alias_set): Remove many cases and rework to just handle C-specific cases. * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT. * c-decl.c (rtl.h, expr.h): Now included. (init_decl_processing): Call record_component_aliases on array types. (grokdeclarator): Likewise. Set TREE_ADDRESSABLE for all fields that are not bitfields. * c-typeck.c (common_type): Call record_component_aliases for array. * caller-save.c (setup_save_areas): Rework register loop for unsigned. Set all save areas to the frame alias set. * calls.c (initialie_argument_information): Call set_mem_attributes. (compute_argument_addresses, expand_call): Likewise. * explow.c (set_mem_attributes): New function. (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg. * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}. LEN and OFFSET now HOST_WIDE_INT. (clear_by_pieces): Similar changes. (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields. (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT. (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES. (clear_by_pieces_1): Likewise. (emit_push_insn): Call set_mem_attributes. (expand_expr, case INDIRECT_REF): Likewise. (expand_expr, case VAR_DECL): Call change_address. * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and tree_low_cst. (get_varargs_alias_set, get_frame_alias_set): New decls. (record_base_value, record_alias_subset, lang_get_alias_set): Likewise. (new_alias_set, set_mem_attributes): Likewse. * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT. (assign_stack_temp_for_type): Likewise. Can split slot even if alias set since can copy. Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P. (assign_temp): Use host_integerp and tree_low_cst. (put_var_into_stack): Properly handle SAVE_EXPR. (put_addressof_into_stack): Likewise. (assign_parms): Call set_mem_attributes. Delete #if 0 code. (fix_lexical_address): Put reference to chain into frame alias set. (expand_function_start): Call set_mem_attributes. * integrate.c (expand_inline_function): Likewise. * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES. * regmove.c (try_apply_stack_adjustment): Likewise. * reload.c (push_reload, make_memloc): Likewise. * reload1.c (alter_reg): Make alias sets for spilled pseudos. * rtl.def (MEM): Update comment. * rtl.h (MEM_ALIAS_SET): Now uses XCWINT. (move_by_pieces): Change length to HOST_WIDE_INT. (record_base_value, record_alias_subset): Delete from here. * stmt.c (expand_decl): Call set_mem_attributes. * stor-layout.c (finish_record_layout): Call record_component_aliases.i * toplev.c (compile_file): Call init_alias_once earlier. * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted from here: now in alias.c. * tree.h (struct tree_type): alias_set is HOST_WIDE_INT. (struct tree_decl): Likewise. (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here. * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes. (output_constant_def, force_const_mem): Likewise. * cp/Makefile.in (decl.o): Include ../expr.h. * cp/decl.c (expr.h): Include. (init_decl_processing): Call record_component_aliases for arrays. (grokdeclarator): Likewise. Set TREE_ADDRESSABLE for fields that aren't bitfields. * cp/tree.c (build_cplus_array_type_1): Call record_component_aliases. From-SVN: r34305
2000-05-31stmt (expand_end_case): Reorder conversion sequence for jump table to avoid ↵Nathan Sidwell1-4/+4
extra truncations. * stmt (expand_end_case): Reorder conversion sequence for jump table to avoid extra truncations. From-SVN: r34291
2000-05-27tree.h (TREE_CODE_LENGTH): New macro.Richard Kenner1-0/+8
* tree.h (TREE_CODE_LENGTH): New macro. * c-common.c (c_find_base_decl): Use it. * expr.c (safe_from_p): Likewise. * print-tree.c (print_node): Likewise. * tree.c (make_node, copy_node, get_identifier): Likewie. (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise. (build, build_nt, build_parse_node, simple_cst_equal): Likewise. * fold-const.c (make_range): Likewise. (fold): Likewise; also use first_rtl_op. * c-iterate.c (collect_iterators): Use first_rtl_op. * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS. Use IS_EXPR_CODE_CLASS. (preexpand_calls): Likewise. * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op and TREE_CODE_LENGTH. * stmt.c (warn_if_unused_value): If no operands, no unused value. * ch/lang.c (deep_const_expr): Use first_rtl_op. * ch/satisfy.c (satisfy): Use TREE_CODE_LENGTH. * cp/method.c (mangle_expression): Use TREE_CODE_LENGTH. * cp/tree.c (break_out_calls, build_min_nt): Use TREE_CODE_LENGTH. (built_min, cp_tree_equal): Likewise. From-SVN: r34203
2000-05-25* stmt.c (expand_end_bindings): Fix thinko last change.Richard Henderson1-1/+1
From-SVN: r34170
2000-05-24stmt.c (expand_end_bindings): Look through NOTEs to find a BARRIER.Jason Merrill1-2/+8
* stmt.c (expand_end_bindings): Look through NOTEs to find a BARRIER. From-SVN: r34149
2000-05-17Add options -Wunused-variable, -Wunused-function, -Wunused-label,Andrew Cagney1-3/+4
-Wunused-parameter. Retain existing -Wunused behavour. Document. From-SVN: r33953
2000-05-09top level:Zack Weinberg1-1/+1
* Makefile.in (WARN_CFLAGS): Add -Wwrite-strings. (tree.o): Depend on output.h. * c-decl.c (pending_invalid_xref_file, current_function_prototype_file): Constify. (pushdecl): Constify a local char *. (define_label): Constify filename parameter. * c-lex.c (init_parse): Constify parameter and return value. * c-typeck.c (c_expand_asm_operands): Constify filename parameter. * c-tree.h: Update prototypes. * c-parse.in: Constify filename member of %union, and if_stmt_file. * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y, objc/objc-parse.c: Regenerate. * dwarfout.c (dwarfout_init): Constify main_input_filename parameter. * dwarfout.h: Update prototypes. * expr.c (expand_expr): Constify a local char *. * flags.h: Constify main_input_filename. * function.c (expand_function_end): Constify filename parameter. * genrecog.c (make_insn_sequence): Use a character array for c_test_pos. (main): Remove unused variables. * input.h: Constify input_filename, main_input_filename, and file_stack.name. Update prototypes. * output.h: Declare first_global_object_name and weak_global_object_name here, as const char *. * stmt.c (expand_asm_operands): Constify filename parameter. * toplev.c (compile_file, push_srcloc, debug_start_source_file): Constify filename parameter. (input_filename, main_input_filename): Constify. * toplev.h: Update prototypes. * tree.c: Include output.h. Don't declare first_global_object_name or weak_global_object_name. Clean up string bashing in get_file_function_name_long. * tree.h (struct tree_decl): Constify filename member. (input_filename): Constify. Update prototypes. * varasm.c (first_global_object_name, weak_global_object_name): Constify. (assemble_start_function, assemble_variable): Clean up string bashing. * gcc.c: Constify all spec-related strings initialized, transitively, from string constants. Constify all strings and string variables related to multilibs. (set_spec, read_specs): Cast argument to free to PTR. (used_arg): Do not modify multilib_matches. Use strncmp plus length comparison to compare multilib switches. * genmultilib: Constify everything declared in multilib.h. ch: * ch-tree.h: Update prototypes. Remove prototypes for functions declared elsewhere. * decl.c (define_label): Constify filename parameter. * grant.c (globalize_decl, set_default_grant_file): Constify local char * variables. Don't declare first_global_object_name or asm_out_file. * lang.c (chill_real_input_filename): Constify. * lex.c (init_parse): Constify parameter and return value. * parse.c: Don't declare input_filename. (ch_expand_asm_operands): Constify filename parameter. (parse_multi_dimension_case_action): Constify local char *. * satisfy.c (safe_satisfy_decl): Constify local char *. cp: * cp-tree.h: Constify tree_srcloc.filename, tinst_level.file, and pending_inline.filename. Update prototypes. * decl.c (define_label): Constify filename parameter. * decl2.c (warn_if_unknown_interface): Constify local char *. * input.c Constify input_source.filename. Don't declare input_filename or lineno. Constify filename parameter to feed_input. * lex.c (init_parse): Constify parameter and return value. (cp_pragma_interface, cp_pragma_implementation): Constify filename argument. (reinit_parse_for_method, reinit_parse_for_block, reinit_parse_for_expr, feed_defarg, handle_cp_pragma): Constify local char *. * pt.c: Don't declare lineno or input_filename. (print_template_context, tsubst_friend_function, tsubst_decl, tsubst, instantiate_decl): Constify local char *. * semantics.c (expand_body): Constify local char *. * tree.c (build_srcloc): Constify filename parameter. * typeck.c (c_expand_asm_operands): Constify filename parameter. f: * com.c (ffecom_subscript_check_): Constify array_name parameter. Clean up string bashing. (ffecom_arrayref_, ffecom_char_args_x_): Constify array_name parameter. (ffecom_do_entry_, ffecom_gen_sfuncdef_, ffecom_start_progunit_, ffecom_sym_transform_, ffecom_sym_transform_assign_): Constify local char *. (init_parse): Constify parameter and return value. * lex.c: Include dwarfout.h instead of prototyping dwarfout_* functions here. (ffelex_file_pop_, ffelex_file_push_): Constify filename parameter. (ffelex_hash_, ffelex_include_): Constify local char *. * std.c (ffestd_exec_end): Constify local char *. * where.c (ffewhere_file_new): Constify filename parameter. * where.h: Update prototypes. java: * check_init.c (check_init): Constify local char *. * class.c (push_class): Constify local char *. * java_tree.h: Update prototypes. * jcf-io.c (open_class): Constify filename parameter and return value. (find_class): Remove redundant string copy. Cast return from open_class. * jcf-parse.c (read_class, parse_class_file, yyparse): Constify local char *. * jcf-write.c (generate_bytecode_insns, generate_classfile): Constify local char *. * jcf.h (JCF): Constify filename and classname. (JCF_FINISH): Cast args to FREE to char * when appropriate. * lang.c (init_parse): Constify parameter and return value. * lex.c (java_get_line_col): Constify filename parameter. * parse.h: Constify parser_ctxt.filename. Update prototypes. * parse.y (java_parser_context_suspend, issue_warning_error_from_context, safe_layout_class): Constify local char *. * parse.c: Regenerate. From-SVN: r33804
2000-05-04rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and MEM_ALIAS_SET.Richard Kenner1-1/+0
* rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and MEM_ALIAS_SET. * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET when calling MEM_COPY_ATTRIBUTES. * emit-rtl.c (operand_subword, change_address): Likewise. * explow.c (stabilize): Likewise. * expr.c (protect_from_queue, emit_move_insn_1): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P when calling MEM_COPY_ATTRIBUTES. (make_extraction, simplify_shift_const, gen_lowpart_for_combine): Likewise. * cse.c (gen_lowpart_if_possible): Likewise. * function.c (fixup_var_refs_1, purge_addressof_1): Likewise. * optabs.c (gen_move_insn): Likewise. * recog.c (validate_replace_rtx_1): Likewise. * simplify-rtx.c (add_mem_for_addr): Likewise. * stmt.c (expand_anon_union_decl): Likewise. * config/arm/arm.md: Likewise. * config/h8300/h7300.c (fix_bit_operand): Likewise. * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise. (block_move_no_loop, block_move_sequence): Likewise. * config/rs6000/rs6000.c (expand_block_move_mem): Likewise. * config/alpha/alpha.c (get_aligned_mem): Likewise. Clear MEM_ALIAS_SET. * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling MEM_COPY_ATTRIBUTES. From-SVN: r33665
2000-04-18stmt.c (mark_case_node): New function.Richard Kenner1-11/+19
* stmt.c (mark_case_node): New function. (mark_case_nesting): Call it. From-SVN: r33231
2000-04-06final.c (final): Use xcalloc to allocate line_note_exists.Mark Mitchell1-1/+2
* final.c (final): Use xcalloc to allocate line_note_exists. * function.c (free_after_compilation): Free the temp_slots. (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots. (combine_temp_slot): Free temp_slots when they get combined. (purge_addressof): Fix typo in comment. * stmt.c (mark_goto_fixup): Mark the fixup itself. (expand_fixup): Allocate the fixup with ggc_alloc_obj. * ggc.h: Include varray.h. (ggc_pending_trees): Declare. (ggc_mark_tree_children): Remove declaration. (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees. * ggc-common.c (ggc_pending_trees): New variable. (ggc_mark_roots): Call ggc_mark_trees. (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all the ggc_pending_trees. * Makefile.in (GGC_H): New variable. Use it throughout in place of ggc.h. * Makefile.in (GGC_H): New variable. Use it throughout in place of ggc.h. * call.c: Don't include obstack.h. Include ggc.h. (obstack_chunk_alloc): Don't define. (obstack_chunk_free): Likewise. (add_candidate): Allocate the z_candidate with ggc_alloc_obj. * decl.c (push_switch): Use xmalloc to allocate the cp_switch. (pop_switch): Free it. * decl2.c (grokclassfn): Set TREE_READONLY for PARM_DECLs. * dump.c (dequeue_and_dump): Don't try to print the bit_position if we don't have a DECL_FIELD_OFFSET. * Makefile.in (GGC_H): Add varray.h. From-SVN: r32956
2000-03-30calls.c (expand_call): Pass bit alignment to mark_reg_pointer.Richard Kenner1-2/+2
* calls.c (expand_call): Pass bit alignment to mark_reg_pointer. * explow.c (memory_address, allocate_dynamic_stack_space): Likewise. * function.c (assign_parms): Likewise. * integrate.c (expand_inline_function): Likewise. * stmt.c (expand_decl): Likewise. (copy_rtx_and_substitute): Likewise. * expr.c (expand_expr, expand_expr_unaligned): Likewise. (clear_by_pieces): Fix error in last change. * emit-rtl.c (init_emit): Set known registers alignment in bits. * function.h (regno_pointer_align): Now unsigned. * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN is in bits. * config/i386/i386.c (aligned_operand): Likewise. * config/sparc/sparc.c (mem_min_alignment): Likewise. * config/alpha/alpha.c (aligned_memory_operand): Likewise. (unaligned_memory_operand): Likewise. (alpha_expand_block_move, alpha_expand_block_clear): Likewise. Also make alignments and sizes unsigned and some whitespace cleanup. (alpha_va_start): Do nothing if VALIST's type is error_mark_node. From-SVN: r32829
2000-03-30builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.Richard Kenner1-6/+4
* builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst. (expand_builtin_apply): Pass alignment to emit_block_move in bits. (expand_builtin_memcpy, expand_builtin_va_copy): Likewise. (expand_builtin_memset): Likewise, but to clear_storage. * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces. (restore_fixed_argument_area): Likewise. (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field. (load_register_parameters): Likewise, to emit_group_load. (expand_call): Likewise, to emit_group_store and emit_block_move. (emit_library_call_value_1): Likewise, to emit_block_move. (store_one_arg): Likewise, and to emit_push_insn. * expmed.c (extract_bit_field): Alignment is in bits, not bytes. (extract_fixed_bit_field, extract_split_bit_field): Likewise. * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise. (emit_block_move, emit_group_load, emit_group_store): Likewise. (clear_by_pieces, clear_storage, emit_push_insn): Likewise. (expand_assigment, store_expr, store_constructor_field): Likewise. (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise. (store_constructor, store_field, get_inner_reference): Likewise. Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT. (expand_expr, case COMPONENT_REF): Likewise. (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes and positions; reindent code. * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned. * function.c (purge_addressof_1): Pass bit align to store_bit_field. (assign_parms): Likewise to emit_group_store. * optbas.c (prepare_cmp_insn): Alignment is in bits. (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned. * stmt.c (expand_value_return): Pass align in bits to emit_group_load. (expand_return): Likewise to {extract,store}_bit_field. * stor-layout.c (get_mode_alignment): Minor cleanup. * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits. * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise. * ch/expr.c (chill_expand_expr): Pass bit alignment to emit_block_move. From-SVN: r32827
2000-03-29* stmt.c (stmt_loop_nest_empty): Fix thinko in last change.Jeffrey A Law1-1/+1
From-SVN: r32820
2000-03-29* stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.Jeffrey A Law1-1/+4
From-SVN: r32806
2000-03-29flags.h (flag_optimize_sibling_calls): Declare.Jan Hubicka1-1/+1
* flags.h (flag_optimize_sibling_calls): Declare. * calls.c (expand_call): Fail sibcall when !flag_optimize_sibling_calls * invoke.texi (flag_optimize_sibling_calls): Document. * toplev.c (flag_optimize_sibling_calls): New global variable. (f_options): Add flag_optimize_sibling_calls. (rest_of_compilation): Conditionize optimize_sibling_and_tail_recursive_calls by flag_optimize_sibling_calls. (main): Set flag_optimize_sibling_calls for -O2. * stmt.c (expand_return): Conditionize tail recursion by flag_optimize_sibling_calls. From-SVN: r32802
2000-03-26calls.c (expand_call): Pass parms not original exp to optimize_tail_recursion.Richard Henderson1-25/+18
* calls.c (expand_call): Pass parms not original exp to optimize_tail_recursion. Mind return value instead of looking for a barrier. * stmt.c (optimize_tail_recursion): Take parameter list, not entire call_expr. Move checks for call_expr and current_function_decl ... (expand_return): ... here. From-SVN: r32758
2000-03-25* Rework fields used to describe positions of bitfields andRichard Kenner1-62/+54
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
2000-03-22* stmt.c (expand_asm_operands): Don't promote the temporary.Richard Henderson1-1/+1
From-SVN: r32699